1 | /* $Id: isomaker.cpp 67391 2017-06-14 12:13:48Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - ISO Image Maker.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2017 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #define LOG_GROUP RTLOGGROUP_FS
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32 | #include "internal/iprt.h"
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33 | #include <iprt/fsisomaker.h>
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34 |
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35 | #include <iprt/asm.h>
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36 | #include <iprt/assert.h>
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37 | #include <iprt/buildconfig.h>
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38 | #include <iprt/err.h>
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39 | #include <iprt/ctype.h>
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40 | #include <iprt/file.h>
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41 | #include <iprt/list.h>
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42 | #include <iprt/log.h>
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43 | #include <iprt/mem.h>
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44 | #include <iprt/path.h>
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45 | #include <iprt/string.h>
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46 | #include <iprt/vfs.h>
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47 | #include <iprt/vfslowlevel.h>
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48 | #include <iprt/formats/iso9660.h>
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49 |
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50 | #include <internal/magics.h>
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51 |
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52 |
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53 | /*********************************************************************************************************************************
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54 | * Defined Constants And Macros *
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55 | *********************************************************************************************************************************/
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56 | /** Asserts valid handle, returns @a a_rcRet if not. */
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57 | #define RTFSISOMAKER_ASSER_VALID_HANDLE_RET_EX(a_pThis, a_rcRet) \
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58 | do { AssertPtrReturn(a_pThis, a_rcRet); \
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59 | AssertReturn((a_pThis)->uMagic == RTFSISOMAKERINT_MAGIC, a_rcRet); \
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60 | } while (0)
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61 |
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62 | /** Asserts valid handle, returns VERR_INVALID_HANDLE if not. */
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63 | #define RTFSISOMAKER_ASSER_VALID_HANDLE_RET(a_pThis) RTFSISOMAKER_ASSER_VALID_HANDLE_RET_EX(a_pThis, VERR_INVALID_HANDLE)
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64 |
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65 | /** The sector size. */
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66 | #define RTFSISOMAKER_SECTOR_SIZE _2K
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67 | /** The sector offset mask. */
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68 | #define RTFSISOMAKER_SECTOR_OFFSET_MASK (_2K - 1)
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69 | /** Maximum number of objects. */
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70 | #define RTFSISOMAKER_MAX_OBJECTS _16M
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71 | /** Maximum number of objects per directory. */
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72 | #define RTFSISOMAKER_MAX_OBJECTS_PER_DIR _256K /**< @todo check limit */
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73 |
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74 | /** UTF-8 name buffer. */
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75 | #define RTFSISOMAKER_MAX_NAME_BUF 768
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76 |
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77 | /** TRANS.TBL left padding length.
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78 | * We keep the amount of padding low to avoid wasing memory when generating
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79 | * these long obsolete files. */
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80 | #define RTFSISOMAKER_TRANS_TBL_LEFT_PAD 12
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81 |
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82 | /** Tests if @a a_ch is in the set of d-characters. */
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83 | #define RTFSISOMAKER_IS_IN_D_CHARS(a_ch) (RT_C_IS_UPPER(a_ch) || RT_C_IS_DIGIT(a_ch) || (a_ch) == '_')
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84 |
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85 | /** Tests if @a a_ch is in the set of d-characters when uppercased. */
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86 | #define RTFSISOMAKER_IS_UPPER_IN_D_CHARS(a_ch) (RT_C_IS_ALNUM(a_ch) || (a_ch) == '_')
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87 |
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88 |
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89 | /** Calculates the path table record size given the name length. */
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90 | #define RTFSISOMAKER_CALC_PATHREC_SIZE(a_cbNameInDirRec) \
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91 | ( RT_UOFFSETOF(ISO9660PATHREC, achDirId[(a_cbNameInDirRec)]) + ((a_cbNameInDirRec) & 1) )
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92 |
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93 |
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94 | /*********************************************************************************************************************************
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95 | * Structures and Typedefs *
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96 | *********************************************************************************************************************************/
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97 | /** Pointer to an ISO maker object name space node. */
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98 | typedef struct RTFSISOMAKERNAME *PRTFSISOMAKERNAME;
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99 | /** Pointer to a const ISO maker object name space node. */
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100 | typedef struct RTFSISOMAKERNAME const *PCRTFSISOMAKERNAME;
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101 | /** Pointer to an ISO maker object name space node pointer. */
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102 | typedef PRTFSISOMAKERNAME *PPRTFSISOMAKERNAME;
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103 |
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104 | /** Pointer to a common ISO image maker file system object. */
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105 | typedef struct RTFSISOMAKEROBJ *PRTFSISOMAKEROBJ;
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106 | /** Pointer to a const common ISO image maker file system object. */
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107 | typedef struct RTFSISOMAKEROBJ const *PCRTFSISOMAKEROBJ;
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108 |
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109 | /** Pointer to a ISO maker file object. */
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110 | typedef struct RTFSISOMAKERFILE *PRTFSISOMAKERFILE;
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111 | /** Pointer to a const ISO maker file object. */
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112 | typedef struct RTFSISOMAKERFILE const *PCRTFSISOMAKERFILE;
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113 |
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114 | /**
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115 | * Filesystem object type.
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116 | */
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117 | typedef enum RTFSISOMAKEROBJTYPE
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118 | {
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119 | RTFSISOMAKEROBJTYPE_INVALID = 0,
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120 | RTFSISOMAKEROBJTYPE_DIR,
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121 | RTFSISOMAKEROBJTYPE_FILE,
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122 | //RTFSISOMAKEROBJTYPE_SYMLINK,
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123 | RTFSISOMAKEROBJTYPE_END
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124 | } RTFSISOMAKEROBJTYPE;
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125 |
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126 | /**
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127 | * Extra name space information required for directories.
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128 | */
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129 | typedef struct RTFSISOMAKERNAMEDIR
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130 | {
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131 | /** The location of the directory data. */
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132 | uint64_t offDir;
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133 | /** The size of the directory. */
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134 | uint32_t cbDir;
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135 | /** Number of children. */
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136 | uint32_t cChildren;
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137 | /** Sorted array of children. */
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138 | PPRTFSISOMAKERNAME papChildren;
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139 | /** The translate table file. */
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140 | PRTFSISOMAKERFILE pTransTblFile;
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141 |
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142 | /** The offset in the path table (ISO-9660).
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143 | * This is set when finalizing the image. */
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144 | uint32_t offPathTable;
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145 | /** The path table identifier of this directory (ISO-9660).
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146 | * This is set when finalizing the image. */
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147 | uint16_t idPathTable;
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148 | /** The size of the first directory record (0x00 - '.'). */
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149 | uint8_t cbDirRec00;
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150 | /** The size of the second directory record (0x01 - '..'). */
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151 | uint8_t cbDirRec01;
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152 | /** Pointer to back to the namespace node this belongs to (for the finalized
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153 | * entry list). */
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154 | PRTFSISOMAKERNAME pName;
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155 | /** Entry in the list of finalized directories. */
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156 | RTLISTNODE FinalizedEntry;
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157 | } RTFSISOMAKERNAMEDIR;
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158 | /** Pointer to directory specfic namespace node info. */
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159 | typedef RTFSISOMAKERNAMEDIR *PRTFSISOMAKERNAMEDIR;
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160 | /** Pointer to const directory specfic namespace node info. */
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161 | typedef const RTFSISOMAKERNAMEDIR *PCRTFSISOMAKERNAMEDIR;
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162 |
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163 |
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164 | /**
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165 | * ISO maker object namespace node.
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166 | */
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167 | typedef struct RTFSISOMAKERNAME
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168 | {
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169 | /** Pointer to the file system object. */
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170 | PRTFSISOMAKEROBJ pObj;
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171 | /** Pointer to the partent directory, NULL if root dir. */
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172 | PRTFSISOMAKERNAME pParent;
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173 |
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174 | /** Pointer to the directory information if this is a directory, NULL if not a
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175 | * directory. This is allocated together with this structure, so it doesn't need
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176 | * freeing. */
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177 | PRTFSISOMAKERNAMEDIR pDir;
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178 |
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179 | /** The name specified when creating this namespace node. Helps navigating
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180 | * the namespace when we mangle or otherwise change the names.
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181 | * Allocated together with of this structure, no spearate free necessary. */
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182 | const char *pszSpecNm;
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183 |
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184 | /** Alternative rock ridge name. */
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185 | char *pszRockRidgeNm;
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186 | /** Alternative TRANS.TBL name. */
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187 | char *pszTransNm;
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188 | /** Length of pszSpecNm. */
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189 | uint16_t cchSpecNm;
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190 | /** Length of pszRockRidgeNm. */
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191 | uint16_t cchRockRidgeNm;
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192 | /** Length of pszTransNm. */
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193 | uint16_t cchTransNm;
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194 |
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195 | /** The depth in the namespace tree of this name. */
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196 | uint8_t uDepth;
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197 | /** Set if pszTransNm is allocated separately. Normally same as pszSpecNm. */
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198 | bool fRockRidgeNmAlloced : 1;
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199 | /** Set if pszTransNm is allocated separately. Normally same as pszSpecNm. */
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200 | bool fTransNmAlloced : 1;
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201 |
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202 | /** The mode mask.
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203 | * Starts out as a copy of RTFSISOMAKEROBJ::fMode. */
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204 | RTFMODE fMode;
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205 | /** The owner ID.
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206 | * Starts out as a copy of RTFSISOMAKEROBJ::uid. */
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207 | RTUID uid;
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208 | /** The group ID.
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209 | * Starts out as a copy of RTFSISOMAKEROBJ::gid. */
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210 | RTGID gid;
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211 | /** The device number if a character or block device.
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212 | * This is for Rock Ridge. */
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213 | RTDEV Device;
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214 | /** The inode/serial number.
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215 | * This is for Rock Ridge. */
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216 | uint64_t INode;
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217 | /** The number of hardlinks to report in the file stats.
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218 | * This is for Rock Ridge. */
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219 | uint32_t cHardlinks;
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220 |
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221 | /** The offset of the directory entry in the parent directory. */
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222 | uint32_t offDirRec;
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223 | /** Size of the directory record (ISO-9660).
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224 | * This is set when the image is being finalized. */
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225 | uint16_t cbDirRec;
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226 |
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227 | /** The number of bytes the name requires in the directory record. */
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228 | uint16_t cbNameInDirRec;
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229 | /** The name length. */
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230 | uint16_t cchName;
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231 | /** The name. */
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232 | char szName[RT_FLEXIBLE_ARRAY];
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233 | } RTFSISOMAKERNAME;
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234 |
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235 | /**
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236 | * A ISO maker namespace.
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237 | */
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238 | typedef struct RTFSISOMAKERNAMESPACE
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239 | {
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240 | /** The namespace root. */
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241 | PRTFSISOMAKERNAME pRoot;
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242 | /** Total number of name nodes in the namespace. */
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243 | uint32_t cNames;
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244 | /** Total number of directories in the namespace. */
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245 | uint32_t cDirs;
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246 | /** The namespace selector (RTFSISOMAKER_NAMESPACE_XXX). */
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247 | uint32_t fNamespace;
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248 | /** Offset into RTFSISOMAKERNAMESPACE of the name member. */
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249 | uint32_t offName;
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250 | /** The configuration level for this name space.
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251 | * - For UDF and HFS namespaces this is either @c true or @c false.
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252 | * - For the primary ISO-9660 namespace this is 1, 2, or 3.
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253 | * - For the joliet namespace this 0 (joliet disabled), 1, 2, or 3. */
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254 | uint8_t uLevel;
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255 | /** The rock ridge level: 1 - enabled; 2 - with ER tag.
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256 | * Linux behaves a little different when seeing the ER tag. */
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257 | uint8_t uRockRidgeLevel;
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258 | /** The TRANS.TBL filename if enabled, NULL if disabled.
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259 | * When not NULL, this may be pointing to heap or g_szTransTbl. */
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260 | char *pszTransTbl;
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261 | /** The system ID (ISO9660PRIMARYVOLDESC::achSystemId). Empty if NULL.
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262 | * When not NULL, this may be pointing to heap of g_szSystemId. */
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263 | char *pszSystemId;
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264 | /** The volume ID / label (ISO9660PRIMARYVOLDESC::achVolumeId).
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265 | * A string representation of RTFSISOMAKERINT::ImageCreationTime if NULL. */
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266 | char *pszVolumeId;
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267 | /** The volume set ID (ISO9660PRIMARYVOLDESC::achVolumeSetId). Empty if NULL. */
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268 | char *pszVolumeSetId;
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269 | /** The publisher ID or (root) file reference (ISO9660PRIMARYVOLDESC::achPublisherId). Empty if NULL. */
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270 | char *pszPublisherId;
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271 | /** The data preperer ID or (root) file reference (ISO9660PRIMARYVOLDESC::achDataPreparerId).
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272 | * Defaults to g_szPreparerIdPrimaryIso or g_szPreparerIdJoliet. */
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273 | char *pszDataPreparerId;
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274 | /** The application ID or (root) file reference (ISO9660PRIMARYVOLDESC::achApplicationId). None if NULL. */
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275 | char *pszApplicationId;
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276 | /** The copyright (root) file identifier (ISO9660PRIMARYVOLDESC::achCopyrightFileId). None if NULL. */
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277 | char *pszCopyrightFileId;
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278 | /** The abstract (root) file identifier (ISO9660PRIMARYVOLDESC::achAbstractFileId). None if NULL. */
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279 | char *pszAbstractFileId;
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280 | /** The bibliographic (root) file identifier (ISO9660PRIMARYVOLDESC::achBibliographicFileId). None if NULL. */
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281 | char *pszBibliographicFileId;
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282 | } RTFSISOMAKERNAMESPACE;
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283 | /** Pointer to a namespace. */
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284 | typedef RTFSISOMAKERNAMESPACE *PRTFSISOMAKERNAMESPACE;
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285 | /** Pointer to a const namespace. */
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286 | typedef RTFSISOMAKERNAMESPACE const *PCRTFSISOMAKERNAMESPACE;
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287 |
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288 |
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289 | /**
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290 | * Common base structure for the file system objects.
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291 | *
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292 | * The times are shared across all namespaces, while the uid, gid and mode are
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293 | * duplicates in each namespace.
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294 | */
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295 | typedef struct RTFSISOMAKEROBJ
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296 | {
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297 | /** The linear list entry of the image content. */
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298 | RTLISTNODE Entry;
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299 | /** The object index. */
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300 | uint32_t idxObj;
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301 | /** The type of this object. */
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302 | RTFSISOMAKEROBJTYPE enmType;
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303 |
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304 | /** The primary ISO-9660 name space name. */
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305 | PRTFSISOMAKERNAME pPrimaryName;
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306 | /** The joliet name space name. */
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307 | PRTFSISOMAKERNAME pJolietName;
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308 | /** The UDF name space name. */
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309 | PRTFSISOMAKERNAME pUdfName;
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310 | /** The HFS name space name. */
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311 | PRTFSISOMAKERNAME pHfsName;
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312 |
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313 | /** Birth (creation) time. */
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314 | RTTIMESPEC BirthTime;
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315 | /** Attribute change time. */
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316 | RTTIMESPEC ChangeTime;
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317 | /** Modification time. */
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318 | RTTIMESPEC ModificationTime;
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319 | /** Accessed time. */
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320 | RTTIMESPEC AccessedTime;
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321 |
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322 | /** Owner ID. */
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323 | RTUID uid;
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324 | /** Group ID. */
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325 | RTGID gid;
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326 | /** Attributes (unix permissions bits mainly). */
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327 | RTFMODE fMode;
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328 |
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329 | /** Used to make sure things like the boot catalog stays in the image even if
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330 | * it's not mapped into any of the namespaces. */
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331 | bool fNotOrphan;
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332 | } RTFSISOMAKEROBJ;
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333 |
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334 |
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335 | /**
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336 | * File source type.
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337 | */
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338 | typedef enum RTFSISOMAKERSRCTYPE
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339 | {
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340 | RTFSISOMAKERSRCTYPE_INVALID = 0,
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341 | RTFSISOMAKERSRCTYPE_PATH,
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342 | RTFSISOMAKERSRCTYPE_VFS_FILE,
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343 | RTFSISOMAKERSRCTYPE_TRANS_TBL,
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344 | RTFSISOMAKERSRCTYPE_END
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345 | } RTFSISOMAKERSRCTYPE;
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346 |
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347 | /**
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348 | * ISO maker file object.
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349 | */
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350 | typedef struct RTFSISOMAKERFILE
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351 | {
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352 | /** The common bit. */
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353 | RTFSISOMAKEROBJ Core;
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354 | /** The file data size. */
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355 | uint64_t cbData;
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356 | /** Byte offset of the data in the image.
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357 | * UINT64_MAX until the location is finalized. */
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358 | uint64_t offData;
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359 |
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360 | /** The type of source object. */
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361 | RTFSISOMAKERSRCTYPE enmSrcType;
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362 | /** The source data. */
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363 | union
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364 | {
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365 | /** Path to the source file.
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366 | * Allocated together with this structure. */
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367 | const char *pszSrcPath;
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368 | /** Source VFS file. */
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369 | RTVFSFILE hVfsFile;
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370 | /** The directory the translation table belongs to. */
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371 | PRTFSISOMAKERNAME pTransTblDir;
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372 | } u;
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373 |
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374 | /** Entry in the list of finalized directories. */
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375 | RTLISTNODE FinalizedEntry;
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376 | } RTFSISOMAKERFILE;
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377 |
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378 |
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379 | /**
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380 | * ISO maker directory object.
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381 | *
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382 | * Unlike files, the allocation info is name space specific and lives in the
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383 | * corresponding RTFSISOMAKERNAMEDIR structures.
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384 | */
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385 | typedef struct RTFSISOMAKERDIR
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386 | {
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387 | /** The common bit. */
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388 | RTFSISOMAKEROBJ Core;
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389 | } RTFSISOMAKERDIR;
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390 | /** Pointer to an ISO maker directory object. */
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391 | typedef RTFSISOMAKERDIR *PRTFSISOMAKERDIR;
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392 |
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393 |
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394 |
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395 | /**
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396 | * Instance data for a ISO image maker.
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397 | */
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398 | typedef struct RTFSISOMAKERINT
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399 | {
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400 | /** Magic value (RTFSISOMAKERINT_MAGIC). */
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401 | uint32_t uMagic;
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402 | /** Reference counter. */
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403 | uint32_t volatile cRefs;
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404 |
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405 | /** Set after we've been fed the first bit of content.
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406 | * This means that the namespace configuration has been finalized and can no
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407 | * longer be changed because it's simply too much work to do adjustments
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408 | * after having started to add files. */
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409 | bool fSeenContent;
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410 | /** Set once we've finalized the image structures.
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411 | * After this no more changes are allowed. */
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412 | bool fFinalized;
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413 |
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414 | /** The primary ISO-9660 namespace. */
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415 | RTFSISOMAKERNAMESPACE PrimaryIso;
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416 | /** The joliet namespace. */
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417 | RTFSISOMAKERNAMESPACE Joliet;
|
---|
418 | /** The UDF namespace. */
|
---|
419 | RTFSISOMAKERNAMESPACE Udf;
|
---|
420 | /** The hybrid HFS+ namespace. */
|
---|
421 | RTFSISOMAKERNAMESPACE Hfs;
|
---|
422 |
|
---|
423 | /** The list of objects (RTFSISOMAKEROBJ). */
|
---|
424 | RTLISTANCHOR ObjectHead;
|
---|
425 | /** Number of objects in the image (ObjectHead).
|
---|
426 | * This is used to number them, i.e. create RTFSISOMAKEROBJ::idxObj. */
|
---|
427 | uint32_t cObjects;
|
---|
428 |
|
---|
429 | /** Amount of file data. */
|
---|
430 | uint64_t cbData;
|
---|
431 | /** Number of volume descriptors. */
|
---|
432 | uint32_t cVolumeDescriptors;
|
---|
433 |
|
---|
434 | /** The 'now' timestamp we use for the whole image.
|
---|
435 | * This way we'll save lots of RTTimeNow calls and have similar timestamps
|
---|
436 | * over the whole image. */
|
---|
437 | RTTIMESPEC ImageCreationTime;
|
---|
438 | /** The default owner ID. */
|
---|
439 | RTUID uidDefault;
|
---|
440 | /** The default group ID. */
|
---|
441 | RTGID gidDefault;
|
---|
442 | /** The default file mode mask. */
|
---|
443 | RTFMODE fDefaultFileMode;
|
---|
444 | /** The default file mode mask. */
|
---|
445 | RTFMODE fDefaultDirMode;
|
---|
446 |
|
---|
447 | /** @name Finalized image stuff
|
---|
448 | * @{ */
|
---|
449 | /** The finalized image size. */
|
---|
450 | uint64_t cbFinalizedImage;
|
---|
451 | /** System area content (sectors 0 thur 15). This is NULL if the system area
|
---|
452 | * are all zeros, which is often the case. Hybrid ISOs have an MBR followed by
|
---|
453 | * a GUID partition table here, helping making the image bootable when
|
---|
454 | * transfered to a USB stick. */
|
---|
455 | uint8_t *pbSysArea;
|
---|
456 | /** Number of non-zero system area bytes pointed to by pbSysArea. */
|
---|
457 | size_t cbSysArea;
|
---|
458 |
|
---|
459 | /** Pointer to the buffer holding the volume descriptors. */
|
---|
460 | uint8_t *pbVolDescs;
|
---|
461 | /** Pointer to the primary volume descriptor. */
|
---|
462 | PISO9660PRIMARYVOLDESC pPrimaryVolDesc;
|
---|
463 | /** El Torito volume descriptor.
|
---|
464 | * @todo fix type */
|
---|
465 | PISO9660BOOTRECORD pElToritoDesc;
|
---|
466 | /** Pointer to the primary volume descriptor. */
|
---|
467 | PISO9660SUPVOLDESC pJolietVolDesc;
|
---|
468 | /** Terminating ISO-9660 volume descriptor. */
|
---|
469 | PISO9660VOLDESCHDR pTerminatorVolDesc;
|
---|
470 |
|
---|
471 | /** Finalized ISO-9660 directory structures. */
|
---|
472 | struct RTFSISOMAKERFINALIZEDDIRS
|
---|
473 | {
|
---|
474 | /** The image byte offset of the first directory. */
|
---|
475 | uint64_t offDirs;
|
---|
476 | /** The image byte offset of the little endian path table.
|
---|
477 | * This always follows offDirs. */
|
---|
478 | uint64_t offPathTableL;
|
---|
479 | /** The image byte offset of the big endian path table.
|
---|
480 | * This always follows offPathTableL. */
|
---|
481 | uint64_t offPathTableM;
|
---|
482 | /** The size of the path table. */
|
---|
483 | uint32_t cbPathTable;
|
---|
484 | /** List of finalized directories for this namespace.
|
---|
485 | * The list is in path table order so it can be generated on the fly. The
|
---|
486 | * directories will be ordered in the same way. */
|
---|
487 | RTLISTANCHOR FinalizedDirs;
|
---|
488 | /** Rock ridge spill file. */
|
---|
489 | PRTFSISOMAKERFILE pRRSpillFile;
|
---|
490 | }
|
---|
491 | /** The finalized directory data for the primary ISO-9660 namespace. */
|
---|
492 | PrimaryIsoDirs,
|
---|
493 | /** The finalized directory data for the joliet namespace. */
|
---|
494 | JolietDirs;
|
---|
495 |
|
---|
496 | /** The image byte offset of the first file. */
|
---|
497 | uint64_t offFirstFile;
|
---|
498 | /** Finalized file head (RTFSISOMAKERFILE).
|
---|
499 | * The list is ordered by disk location. Files are following the
|
---|
500 | * directories and path tables. */
|
---|
501 | RTLISTANCHOR FinalizedFiles;
|
---|
502 | /** @} */
|
---|
503 |
|
---|
504 | } RTFSISOMAKERINT;
|
---|
505 | /** Pointer to an ISO maker instance. */
|
---|
506 | typedef RTFSISOMAKERINT *PRTFSISOMAKERINT;
|
---|
507 |
|
---|
508 | /** Pointer to the data for finalized ISO-9660 (primary / joliet) dirs. */
|
---|
509 | typedef struct RTFSISOMAKERINT::RTFSISOMAKERFINALIZEDDIRS *PRTFSISOMAKERFINALIZEDDIRS;
|
---|
510 |
|
---|
511 |
|
---|
512 | /**
|
---|
513 | * Instance data of an ISO maker output file.
|
---|
514 | */
|
---|
515 | typedef struct RTFSISOMAKEROUTPUTFILE
|
---|
516 | {
|
---|
517 | /** The ISO maker (owns a reference). */
|
---|
518 | PRTFSISOMAKERINT pIsoMaker;
|
---|
519 | /** The current file position. */
|
---|
520 | uint64_t offCurPos;
|
---|
521 | /** Current file hint. */
|
---|
522 | PRTFSISOMAKERFILE pFileHint;
|
---|
523 | /** Source file corresponding to pFileHint.
|
---|
524 | * This is used when dealing with a RTFSISOMAKERSRCTYPE_VFS_FILE or
|
---|
525 | * RTFSISOMAKERSRCTYPE_TRANS_TBL file. */
|
---|
526 | RTVFSFILE hVfsSrcFile;
|
---|
527 | /** Current directory hint for the primary ISO namespace. */
|
---|
528 | PRTFSISOMAKERNAMEDIR pDirHintPrimaryIso;
|
---|
529 | /** Current directory hint for the joliet namespace. */
|
---|
530 | PRTFSISOMAKERNAMEDIR pDirHintJoliet;
|
---|
531 | } RTFSISOMAKEROUTPUTFILE;
|
---|
532 | /** Pointer to the instance data of an ISO maker output file. */
|
---|
533 | typedef RTFSISOMAKEROUTPUTFILE *PRTFSISOMAKEROUTPUTFILE;
|
---|
534 |
|
---|
535 |
|
---|
536 |
|
---|
537 | /*********************************************************************************************************************************
|
---|
538 | * Structures and Typedefs *
|
---|
539 | *********************************************************************************************************************************/
|
---|
540 | /**
|
---|
541 | * Help for iterating over namespaces.
|
---|
542 | */
|
---|
543 | static const struct
|
---|
544 | {
|
---|
545 | /** The RTFSISOMAKER_NAMESPACE_XXX indicator. */
|
---|
546 | uint32_t fNamespace;
|
---|
547 | /** Offset into RTFSISOMAKERINT of the namespace member. */
|
---|
548 | uintptr_t offNamespace;
|
---|
549 | /** Offset into RTFSISOMAKERNAMESPACE of the name member. */
|
---|
550 | uintptr_t offName;
|
---|
551 | /** Namespace name for debugging purposes. */
|
---|
552 | const char *pszName;
|
---|
553 | } g_aRTFsIsoNamespaces[] =
|
---|
554 | {
|
---|
555 | { RTFSISOMAKER_NAMESPACE_ISO_9660, RT_OFFSETOF(RTFSISOMAKERINT, PrimaryIso), RT_OFFSETOF(RTFSISOMAKEROBJ, pPrimaryName), "iso-9660" },
|
---|
556 | { RTFSISOMAKER_NAMESPACE_JOLIET, RT_OFFSETOF(RTFSISOMAKERINT, Joliet), RT_OFFSETOF(RTFSISOMAKEROBJ, pJolietName), "joliet" },
|
---|
557 | { RTFSISOMAKER_NAMESPACE_UDF, RT_OFFSETOF(RTFSISOMAKERINT, Udf), RT_OFFSETOF(RTFSISOMAKEROBJ, pUdfName), "udf" },
|
---|
558 | { RTFSISOMAKER_NAMESPACE_HFS, RT_OFFSETOF(RTFSISOMAKERINT, Hfs), RT_OFFSETOF(RTFSISOMAKEROBJ, pHfsName), "hfs" },
|
---|
559 | };
|
---|
560 |
|
---|
561 | /**
|
---|
562 | * Translates a single namespace flag (RTFSISOMAKER_NAMESPACE_XXX) to an
|
---|
563 | * index into g_aRTFsIsoNamespaces.
|
---|
564 | */
|
---|
565 | static const uint8_t g_aidxRTFsIsoNamespaceFlagToIdx[] =
|
---|
566 | {
|
---|
567 | /*[0] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
568 | /*[RTFSISOMAKER_NAMESPACE_ISO_9660] = */ 0,
|
---|
569 | /*[RTFSISOMAKER_NAMESPACE_JOLIET] = */ 1,
|
---|
570 | /*[3] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
571 | /*[RTFSISOMAKER_NAMESPACE_UDF] = */ 2,
|
---|
572 | /*[5] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
573 | /*[6] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
574 | /*[7] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
575 | /*[RTFSISOMAKER_NAMESPACE_HFS] = */ 3,
|
---|
576 | /*[9] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
577 | /*[10] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
578 | /*[11] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
579 | /*[12] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
580 | /*[13] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
581 | /*[14] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
582 | /*[15] = */ RT_ELEMENTS(g_aRTFsIsoNamespaces),
|
---|
583 | };
|
---|
584 |
|
---|
585 | /** The default translation table filename. */
|
---|
586 | static const char g_szTransTbl[] = "TRANS.TBL";
|
---|
587 | /** The default data preparer ID for the primary ISO-9660 volume descriptor. */
|
---|
588 | static char g_szPreparerIdPrimaryIso[64] = "";
|
---|
589 | /** The default data preparer ID for the joliet volume descriptor. */
|
---|
590 | static char g_szPreparerIdJoliet[64] = "";
|
---|
591 | /** The default system ID the primary ISO-9660 volume descriptor. */
|
---|
592 | static char g_szSystemId[64] = "";
|
---|
593 |
|
---|
594 |
|
---|
595 |
|
---|
596 | /*********************************************************************************************************************************
|
---|
597 | * Internal Functions *
|
---|
598 | *********************************************************************************************************************************/
|
---|
599 | static int rtFsIsoMakerObjSetName(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKEROBJ pObj,
|
---|
600 | PRTFSISOMAKERNAME pParent, const char *pchSpec, size_t cchSpec, PPRTFSISOMAKERNAME ppNewName);
|
---|
601 | static int rtFsIsoMakerObjUnsetName(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKEROBJ pObj);
|
---|
602 | static int rtFsIsoMakerAddUnnamedDirWorker(PRTFSISOMAKERINT pThis, PRTFSISOMAKERDIR *ppDir);
|
---|
603 | static int rtFsIsoMakerAddUnnamedFileWorker(PRTFSISOMAKERINT pThis, PCRTFSOBJINFO pObjInfo, size_t cbExtra,
|
---|
604 | PRTFSISOMAKERFILE *ppFile);
|
---|
605 | static int rtFsIsoMakerObjRemoveWorker(PRTFSISOMAKERINT pThis, PRTFSISOMAKEROBJ pObj);
|
---|
606 |
|
---|
607 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Seek(void *pvThis, RTFOFF offSeek, unsigned uMethod, PRTFOFF poffActual);
|
---|
608 |
|
---|
609 |
|
---|
610 |
|
---|
611 | /**
|
---|
612 | * Creates an ISO maker instance.
|
---|
613 | *
|
---|
614 | * @returns IPRT status code.
|
---|
615 | * @param phIsoMaker Where to return the handle to the new ISO maker.
|
---|
616 | */
|
---|
617 | RTDECL(int) RTFsIsoMakerCreate(PRTFSISOMAKER phIsoMaker)
|
---|
618 | {
|
---|
619 | /*
|
---|
620 | * Do some integrity checks first.
|
---|
621 | */
|
---|
622 | AssertReturn(g_aRTFsIsoNamespaces[g_aidxRTFsIsoNamespaceFlagToIdx[RTFSISOMAKER_NAMESPACE_ISO_9660]].fNamespace == RTFSISOMAKER_NAMESPACE_ISO_9660,
|
---|
623 | VERR_INTERNAL_ERROR_5);
|
---|
624 | AssertReturn(g_aRTFsIsoNamespaces[g_aidxRTFsIsoNamespaceFlagToIdx[RTFSISOMAKER_NAMESPACE_JOLIET]].fNamespace == RTFSISOMAKER_NAMESPACE_JOLIET,
|
---|
625 | VERR_INTERNAL_ERROR_5);
|
---|
626 | AssertReturn(g_aRTFsIsoNamespaces[g_aidxRTFsIsoNamespaceFlagToIdx[RTFSISOMAKER_NAMESPACE_UDF]].fNamespace == RTFSISOMAKER_NAMESPACE_UDF,
|
---|
627 | VERR_INTERNAL_ERROR_5);
|
---|
628 | AssertReturn(g_aRTFsIsoNamespaces[g_aidxRTFsIsoNamespaceFlagToIdx[RTFSISOMAKER_NAMESPACE_HFS]].fNamespace == RTFSISOMAKER_NAMESPACE_HFS,
|
---|
629 | VERR_INTERNAL_ERROR_5);
|
---|
630 |
|
---|
631 | if (g_szPreparerIdPrimaryIso[0] == '\0')
|
---|
632 | RTStrPrintf(g_szPreparerIdPrimaryIso, sizeof(g_szPreparerIdPrimaryIso), "IPRT ISO MAKER V%u.%u.%u R%s",
|
---|
633 | RTBldCfgVersionMajor(), RTBldCfgVersionMinor(), RTBldCfgVersionBuild(), RTBldCfgRevisionStr());
|
---|
634 | if (g_szPreparerIdJoliet[0] == '\0')
|
---|
635 | RTStrPrintf(g_szPreparerIdJoliet, sizeof(g_szPreparerIdJoliet),
|
---|
636 | "IPRT ISO Maker v%s r%s", RTBldCfgVersion(), RTBldCfgRevisionStr());
|
---|
637 | if (g_szSystemId)
|
---|
638 | {
|
---|
639 | RTStrCopy(g_szSystemId, sizeof(g_szSystemId), RTBldCfgTargetDotArch());
|
---|
640 | RTStrToUpper(g_szSystemId);
|
---|
641 | }
|
---|
642 |
|
---|
643 | /*
|
---|
644 | * Create the instance with defaults.
|
---|
645 | */
|
---|
646 | int rc;
|
---|
647 | PRTFSISOMAKERINT pThis = (PRTFSISOMAKERINT)RTMemAllocZ(sizeof(*pThis));
|
---|
648 | if (pThis)
|
---|
649 | {
|
---|
650 | pThis->uMagic = RTFSISOMAKERINT_MAGIC;
|
---|
651 | pThis->cRefs = 1;
|
---|
652 | //pThis->fSeenContent = false;
|
---|
653 | //pThis->fFinalized = false;
|
---|
654 |
|
---|
655 | pThis->PrimaryIso.fNamespace = RTFSISOMAKER_NAMESPACE_ISO_9660;
|
---|
656 | pThis->PrimaryIso.offName = RT_OFFSETOF(RTFSISOMAKEROBJ, pPrimaryName);
|
---|
657 | pThis->PrimaryIso.uLevel = 3; /* 30 char names, large files */
|
---|
658 | pThis->PrimaryIso.uRockRidgeLevel = 1;
|
---|
659 | pThis->PrimaryIso.pszTransTbl = (char *)g_szTransTbl;
|
---|
660 | pThis->PrimaryIso.pszSystemId = g_szSystemId;
|
---|
661 | //pThis->PrimaryIso.pszVolumeId = NULL;
|
---|
662 | //pThis->PrimaryIso.pszSetVolumeId = NULL;
|
---|
663 | //pThis->PrimaryIso.pszPublisherId = NULL;
|
---|
664 | pThis->PrimaryIso.pszDataPreparerId = g_szPreparerIdPrimaryIso;
|
---|
665 | //pThis->PrimaryIso.pszApplicationId = NULL;
|
---|
666 | //pThis->PrimaryIso.pszCopyrightFileId= NULL;
|
---|
667 | //pThis->PrimaryIso.pszAbstractFileId = NULL;
|
---|
668 | //pThis->PrimaryIso.pszBibliographicFileId = NULL;
|
---|
669 |
|
---|
670 | pThis->Joliet.fNamespace = RTFSISOMAKER_NAMESPACE_JOLIET;
|
---|
671 | pThis->Joliet.offName = RT_OFFSETOF(RTFSISOMAKEROBJ, pJolietName);
|
---|
672 | pThis->Joliet.uLevel = 3;
|
---|
673 | //pThis->Joliet.uRockRidgeLevel = 0;
|
---|
674 | //pThis->Joliet.pszTransTbl = NULL;
|
---|
675 | //pThis->Joliet.pszSystemId = NULL;
|
---|
676 | //pThis->Joliet.pszVolumeId = NULL;
|
---|
677 | //pThis->Joliet.pszSetVolumeId = NULL;
|
---|
678 | //pThis->Joliet.pszPublisherId = NULL;
|
---|
679 | pThis->Joliet.pszDataPreparerId = g_szPreparerIdJoliet;
|
---|
680 | //pThis->Joliet.pszApplicationId = NULL;
|
---|
681 | //pThis->Joliet.pszCopyrightFileId = NULL;
|
---|
682 | //pThis->Joliet.pszAbstractFileId = NULL;
|
---|
683 | //pThis->Joliet.pszBibliographicFileId = NULL;
|
---|
684 |
|
---|
685 | pThis->Udf.fNamespace = RTFSISOMAKER_NAMESPACE_UDF;
|
---|
686 | pThis->Udf.offName = RT_OFFSETOF(RTFSISOMAKEROBJ, pUdfName);
|
---|
687 | //pThis->Udf.uLevel = 0;
|
---|
688 | //pThis->Udf.uRockRidgeLevel = 0;
|
---|
689 | //pThis->Udf.pszTransTbl = NULL;
|
---|
690 | //pThis->Udf.uRockRidgeLevel = 0;
|
---|
691 | //pThis->Udf.pszTransTbl = NULL;
|
---|
692 | //pThis->Udf.pszSystemId = NULL;
|
---|
693 | //pThis->Udf.pszVolumeId = NULL;
|
---|
694 | //pThis->Udf.pszSetVolumeId = NULL;
|
---|
695 | //pThis->Udf.pszPublisherId = NULL;
|
---|
696 | //pThis->Udf.pszDataPreparerId = NULL;
|
---|
697 | //pThis->Udf.pszApplicationId = NULL;
|
---|
698 | //pThis->Udf.pszCopyrightFileId = NULL;
|
---|
699 | //pThis->Udf.pszAbstractFileId = NULL;
|
---|
700 | //pThis->Udf.pszBibliographicFileId = NULL;
|
---|
701 |
|
---|
702 | pThis->Hfs.fNamespace = RTFSISOMAKER_NAMESPACE_HFS;
|
---|
703 | pThis->Hfs.offName = RT_OFFSETOF(RTFSISOMAKEROBJ, pHfsName);
|
---|
704 | //pThis->Hfs.uLevel = 0;
|
---|
705 | //pThis->Hfs.uRockRidgeLevel = 0;
|
---|
706 | //pThis->Hfs.pszTransTbl = NULL;
|
---|
707 | //pThis->Hfs.pszSystemId = NULL;
|
---|
708 | //pThis->Hfs.pszVolumeId = NULL;
|
---|
709 | //pThis->Hfs.pszSetVolumeId = NULL;
|
---|
710 | //pThis->Hfs.pszPublisherId = NULL;
|
---|
711 | //pThis->Hfs.pszDataPreparerId = NULL;
|
---|
712 | //pThis->Hfs.pszApplicationId = NULL;
|
---|
713 | //pThis->Hfs.pszCopyrightFileId = NULL;
|
---|
714 | //pThis->Hfs.pszAbstractFileId = NULL;
|
---|
715 | //pThis->Hfs.pszBibliographicFileId = NULL;
|
---|
716 |
|
---|
717 | RTListInit(&pThis->ObjectHead);
|
---|
718 | //pThis->cObjects = 0;
|
---|
719 | //pThis->cbData = 0;
|
---|
720 |
|
---|
721 | pThis->cVolumeDescriptors = 3; /* primary, secondary joliet, terminator. */
|
---|
722 |
|
---|
723 | //pThis->uidDefault = 0;
|
---|
724 | //pThis->gidDefault = 0;
|
---|
725 | pThis->fDefaultFileMode = 0444 | RTFS_TYPE_FILE | RTFS_DOS_ARCHIVED | RTFS_DOS_READONLY;
|
---|
726 | pThis->fDefaultDirMode = 0555 | RTFS_TYPE_DIRECTORY | RTFS_DOS_DIRECTORY | RTFS_DOS_READONLY;
|
---|
727 |
|
---|
728 | pThis->cbFinalizedImage = UINT64_MAX;
|
---|
729 | //pThis->pbSysArea = NULL;
|
---|
730 | //pThis->cbSysArea = 0;
|
---|
731 | //pThis->pbVolDescs = NULL;
|
---|
732 | //pThis->pPrimaryVolDesc = NULL;
|
---|
733 | //pThis->pElToritoDesc = NULL;
|
---|
734 | //pThis->pJolietVolDesc = NULL;
|
---|
735 |
|
---|
736 | pThis->PrimaryIsoDirs.offDirs = UINT64_MAX;
|
---|
737 | pThis->PrimaryIsoDirs.offPathTableL = UINT64_MAX;
|
---|
738 | pThis->PrimaryIsoDirs.offPathTableM = UINT64_MAX;
|
---|
739 | pThis->PrimaryIsoDirs.cbPathTable = 0;
|
---|
740 | RTListInit(&pThis->PrimaryIsoDirs.FinalizedDirs);
|
---|
741 | //pThis->PrimaryIsoDirs.pRRSpillFile = NULL;
|
---|
742 |
|
---|
743 | pThis->JolietDirs.offDirs = UINT64_MAX;
|
---|
744 | pThis->JolietDirs.offPathTableL = UINT64_MAX;
|
---|
745 | pThis->JolietDirs.offPathTableM = UINT64_MAX;
|
---|
746 | pThis->JolietDirs.cbPathTable = 0;
|
---|
747 | RTListInit(&pThis->JolietDirs.FinalizedDirs);
|
---|
748 | //pThis->JolietDirs.pRRSpillFile = NULL;
|
---|
749 |
|
---|
750 | pThis->offFirstFile = UINT64_MAX;
|
---|
751 | RTListInit(&pThis->FinalizedFiles);
|
---|
752 |
|
---|
753 | RTTimeNow(&pThis->ImageCreationTime);
|
---|
754 |
|
---|
755 | /*
|
---|
756 | * Add the root directory node with idObj == 0.
|
---|
757 | */
|
---|
758 | PRTFSISOMAKERDIR pDirRoot;
|
---|
759 | rc = rtFsIsoMakerAddUnnamedDirWorker(pThis, &pDirRoot);
|
---|
760 | if (RT_SUCCESS(rc))
|
---|
761 | {
|
---|
762 | *phIsoMaker = pThis;
|
---|
763 | return VINF_SUCCESS;
|
---|
764 | }
|
---|
765 |
|
---|
766 | RTMemFree(pThis);
|
---|
767 | }
|
---|
768 | else
|
---|
769 | rc = VERR_NO_MEMORY;
|
---|
770 | return rc;
|
---|
771 | }
|
---|
772 |
|
---|
773 |
|
---|
774 | /**
|
---|
775 | * Frees an object.
|
---|
776 | *
|
---|
777 | * This is a worker for rtFsIsoMakerDestroy and RTFsIsoMakerObjRemove.
|
---|
778 | *
|
---|
779 | * @param pObj The object to free.
|
---|
780 | */
|
---|
781 | DECLINLINE(void) rtFsIsoMakerObjDestroy(PRTFSISOMAKEROBJ pObj)
|
---|
782 | {
|
---|
783 | if (pObj->enmType == RTFSISOMAKEROBJTYPE_FILE)
|
---|
784 | {
|
---|
785 | PRTFSISOMAKERFILE pFile = (PRTFSISOMAKERFILE)pObj;
|
---|
786 | switch (pFile->enmSrcType)
|
---|
787 | {
|
---|
788 | case RTFSISOMAKERSRCTYPE_PATH:
|
---|
789 | pFile->u.pszSrcPath = NULL;
|
---|
790 | break;
|
---|
791 |
|
---|
792 | case RTFSISOMAKERSRCTYPE_TRANS_TBL:
|
---|
793 | pFile->u.pTransTblDir = NULL;
|
---|
794 | break;
|
---|
795 |
|
---|
796 | case RTFSISOMAKERSRCTYPE_VFS_FILE:
|
---|
797 | RTVfsFileRelease(pFile->u.hVfsFile);
|
---|
798 | pFile->u.hVfsFile = NIL_RTVFSFILE;
|
---|
799 | break;
|
---|
800 |
|
---|
801 | case RTFSISOMAKERSRCTYPE_INVALID:
|
---|
802 | case RTFSISOMAKERSRCTYPE_END:
|
---|
803 | AssertFailed();
|
---|
804 | break;
|
---|
805 |
|
---|
806 | /* no default, want warnings */
|
---|
807 | }
|
---|
808 | }
|
---|
809 |
|
---|
810 | RTMemFree(pObj);
|
---|
811 | }
|
---|
812 |
|
---|
813 |
|
---|
814 | /**
|
---|
815 | * Frees a namespace node.
|
---|
816 | *
|
---|
817 | * This is a worker for rtFsIsoMakerDestroyTree and rtFsIsoMakerObjUnsetName.
|
---|
818 | *
|
---|
819 | * @param pName The node to free.
|
---|
820 | */
|
---|
821 | DECLINLINE(void) rtFsIsoMakerDestroyName(PRTFSISOMAKERNAME pName)
|
---|
822 | {
|
---|
823 | if (pName->fRockRidgeNmAlloced)
|
---|
824 | {
|
---|
825 | RTMemFree(pName->pszRockRidgeNm);
|
---|
826 | pName->pszRockRidgeNm = NULL;
|
---|
827 | }
|
---|
828 | if (pName->fTransNmAlloced)
|
---|
829 | {
|
---|
830 | RTMemFree(pName->pszTransNm);
|
---|
831 | pName->pszTransNm = NULL;
|
---|
832 | }
|
---|
833 | RTMemFree(pName);
|
---|
834 | }
|
---|
835 |
|
---|
836 |
|
---|
837 | /**
|
---|
838 | * Destroys a namespace.
|
---|
839 | *
|
---|
840 | * @param pNamespace The namespace to destroy.
|
---|
841 | */
|
---|
842 | static void rtFsIsoMakerDestroyTree(PRTFSISOMAKERNAMESPACE pNamespace)
|
---|
843 | {
|
---|
844 | /*
|
---|
845 | * Recursively destroy the tree first.
|
---|
846 | */
|
---|
847 | PRTFSISOMAKERNAME pCur = pNamespace->pRoot;
|
---|
848 | if (pCur)
|
---|
849 | {
|
---|
850 | Assert(!pCur->pParent);
|
---|
851 | for (;;)
|
---|
852 | {
|
---|
853 | if ( pCur->pDir
|
---|
854 | && pCur->pDir->cChildren)
|
---|
855 | pCur = pCur->pDir->papChildren[pCur->pDir->cChildren - 1];
|
---|
856 | else
|
---|
857 | {
|
---|
858 | PRTFSISOMAKERNAME pNext = pCur->pParent;
|
---|
859 | rtFsIsoMakerDestroyName(pCur);
|
---|
860 |
|
---|
861 | /* Unlink from parent, we're the last entry. */
|
---|
862 | if (pNext)
|
---|
863 | {
|
---|
864 | Assert(pNext->pDir->cChildren > 0);
|
---|
865 | pNext->pDir->cChildren--;
|
---|
866 | Assert(pNext->pDir->papChildren[pNext->pDir->cChildren] == pCur);
|
---|
867 | pNext->pDir->papChildren[pNext->pDir->cChildren] = NULL;
|
---|
868 | pCur = pNext;
|
---|
869 | }
|
---|
870 | else
|
---|
871 | {
|
---|
872 | Assert(pNamespace->pRoot == pCur);
|
---|
873 | break;
|
---|
874 | }
|
---|
875 | }
|
---|
876 | }
|
---|
877 | pNamespace->pRoot = NULL;
|
---|
878 | }
|
---|
879 |
|
---|
880 | /*
|
---|
881 | * Free the translation table filename if allocated.
|
---|
882 | */
|
---|
883 | if (pNamespace->pszTransTbl)
|
---|
884 | {
|
---|
885 | if (pNamespace->pszTransTbl != g_szTransTbl)
|
---|
886 | RTMemFree(pNamespace->pszTransTbl);
|
---|
887 | pNamespace->pszTransTbl = NULL;
|
---|
888 | }
|
---|
889 |
|
---|
890 | /*
|
---|
891 | * Free string IDs.
|
---|
892 | */
|
---|
893 | if (pNamespace->pszSystemId)
|
---|
894 | {
|
---|
895 | if (pNamespace->pszSystemId != g_szSystemId)
|
---|
896 | RTMemFree(pNamespace->pszSystemId);
|
---|
897 | pNamespace->pszSystemId = NULL;
|
---|
898 | }
|
---|
899 |
|
---|
900 | if (pNamespace->pszVolumeId)
|
---|
901 | {
|
---|
902 | RTMemFree(pNamespace->pszVolumeId);
|
---|
903 | pNamespace->pszVolumeId = NULL;
|
---|
904 | }
|
---|
905 |
|
---|
906 | if (pNamespace->pszVolumeSetId)
|
---|
907 | {
|
---|
908 | RTMemFree(pNamespace->pszVolumeSetId);
|
---|
909 | pNamespace->pszVolumeSetId = NULL;
|
---|
910 | }
|
---|
911 |
|
---|
912 | if (pNamespace->pszPublisherId)
|
---|
913 | {
|
---|
914 | RTMemFree(pNamespace->pszPublisherId);
|
---|
915 | pNamespace->pszPublisherId = NULL;
|
---|
916 | }
|
---|
917 |
|
---|
918 | if (pNamespace->pszDataPreparerId)
|
---|
919 | {
|
---|
920 | if ( pNamespace->pszDataPreparerId != g_szPreparerIdPrimaryIso
|
---|
921 | && pNamespace->pszDataPreparerId != g_szPreparerIdJoliet)
|
---|
922 | RTMemFree(pNamespace->pszDataPreparerId);
|
---|
923 | pNamespace->pszDataPreparerId = NULL;
|
---|
924 | }
|
---|
925 |
|
---|
926 | if (pNamespace->pszApplicationId)
|
---|
927 | {
|
---|
928 | RTMemFree(pNamespace->pszApplicationId);
|
---|
929 | pNamespace->pszApplicationId = NULL;
|
---|
930 | }
|
---|
931 |
|
---|
932 | if (pNamespace->pszCopyrightFileId)
|
---|
933 | {
|
---|
934 | RTMemFree(pNamespace->pszCopyrightFileId);
|
---|
935 | pNamespace->pszCopyrightFileId = NULL;
|
---|
936 | }
|
---|
937 |
|
---|
938 | if (pNamespace->pszAbstractFileId)
|
---|
939 | {
|
---|
940 | RTMemFree(pNamespace->pszAbstractFileId);
|
---|
941 | pNamespace->pszAbstractFileId = NULL;
|
---|
942 | }
|
---|
943 |
|
---|
944 | if (pNamespace->pszBibliographicFileId)
|
---|
945 | {
|
---|
946 | RTMemFree(pNamespace->pszBibliographicFileId);
|
---|
947 | pNamespace->pszBibliographicFileId = NULL;
|
---|
948 | }
|
---|
949 | }
|
---|
950 |
|
---|
951 |
|
---|
952 | /**
|
---|
953 | * Destroys an ISO maker instance.
|
---|
954 | *
|
---|
955 | * @param pThis The ISO maker instance to destroy.
|
---|
956 | */
|
---|
957 | static void rtFsIsoMakerDestroy(PRTFSISOMAKERINT pThis)
|
---|
958 | {
|
---|
959 | rtFsIsoMakerDestroyTree(&pThis->PrimaryIso);
|
---|
960 | rtFsIsoMakerDestroyTree(&pThis->Joliet);
|
---|
961 | rtFsIsoMakerDestroyTree(&pThis->Udf);
|
---|
962 | rtFsIsoMakerDestroyTree(&pThis->Hfs);
|
---|
963 |
|
---|
964 | PRTFSISOMAKEROBJ pCur;
|
---|
965 | PRTFSISOMAKEROBJ pNext;
|
---|
966 | RTListForEachSafe(&pThis->ObjectHead, pCur, pNext, RTFSISOMAKEROBJ, Entry)
|
---|
967 | {
|
---|
968 | RTListNodeRemove(&pCur->Entry);
|
---|
969 | rtFsIsoMakerObjDestroy(pCur);
|
---|
970 | }
|
---|
971 | }
|
---|
972 |
|
---|
973 |
|
---|
974 | /**
|
---|
975 | * Retains a references to an ISO maker instance.
|
---|
976 | *
|
---|
977 | * @returns New reference count on success, UINT32_MAX if invalid handle.
|
---|
978 | * @param hIsoMaker The ISO maker handle.
|
---|
979 | */
|
---|
980 | RTDECL(uint32_t) RTFsIsoMakerRetain(RTFSISOMAKER hIsoMaker)
|
---|
981 | {
|
---|
982 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
983 | AssertPtrReturn(pThis, UINT32_MAX);
|
---|
984 | AssertReturn(pThis->uMagic == RTFSISOMAKERINT_MAGIC, UINT32_MAX);
|
---|
985 | uint32_t cRefs = ASMAtomicIncU32(&pThis->cRefs);
|
---|
986 | Assert(cRefs > 1);
|
---|
987 | Assert(cRefs < _64K);
|
---|
988 | return cRefs;
|
---|
989 | }
|
---|
990 |
|
---|
991 |
|
---|
992 | /**
|
---|
993 | * Releases a references to an ISO maker instance.
|
---|
994 | *
|
---|
995 | * @returns New reference count on success, UINT32_MAX if invalid handle.
|
---|
996 | * @param hIsoMaker The ISO maker handle. NIL is ignored.
|
---|
997 | */
|
---|
998 | RTDECL(uint32_t) RTFsIsoMakerRelease(RTFSISOMAKER hIsoMaker)
|
---|
999 | {
|
---|
1000 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
1001 | uint32_t cRefs;
|
---|
1002 | if (pThis == NIL_RTFSISOMAKER)
|
---|
1003 | cRefs = 0;
|
---|
1004 | else
|
---|
1005 | {
|
---|
1006 | AssertPtrReturn(pThis, UINT32_MAX);
|
---|
1007 | AssertReturn(pThis->uMagic == RTFSISOMAKERINT_MAGIC, UINT32_MAX);
|
---|
1008 | cRefs = ASMAtomicDecU32(&pThis->cRefs);
|
---|
1009 | Assert(cRefs < _64K);
|
---|
1010 | if (!cRefs)
|
---|
1011 | rtFsIsoMakerDestroy(pThis);
|
---|
1012 | }
|
---|
1013 | return cRefs;
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 |
|
---|
1017 | /**
|
---|
1018 | * Sets the ISO-9660 level.
|
---|
1019 | *
|
---|
1020 | * @returns IPRT status code
|
---|
1021 | * @param hIsoMaker The ISO maker handle.
|
---|
1022 | * @param uIsoLevel The level, 1-3.
|
---|
1023 | */
|
---|
1024 | RTDECL(int) RTFsIsoMakerSetIso9660Level(RTFSISOMAKER hIsoMaker, uint8_t uIsoLevel)
|
---|
1025 | {
|
---|
1026 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
1027 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
1028 | AssertReturn(uIsoLevel <= 3, VERR_INVALID_PARAMETER);
|
---|
1029 | AssertReturn(uIsoLevel > 0, VERR_INVALID_PARAMETER); /* currently not possible to disable this */
|
---|
1030 | AssertReturn(!pThis->fSeenContent, VERR_WRONG_ORDER);
|
---|
1031 |
|
---|
1032 | pThis->PrimaryIso.uLevel = uIsoLevel;
|
---|
1033 | return VINF_SUCCESS;
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 |
|
---|
1037 | /**
|
---|
1038 | * Sets the joliet level.
|
---|
1039 | *
|
---|
1040 | * @returns IPRT status code
|
---|
1041 | * @param hIsoMaker The ISO maker handle.
|
---|
1042 | * @param uJolietLevel The joliet UCS-2 level 1-3, or 0 to disable
|
---|
1043 | * joliet.
|
---|
1044 | */
|
---|
1045 | RTDECL(int) RTFsIsoMakerSetJolietUcs2Level(RTFSISOMAKER hIsoMaker, uint8_t uJolietLevel)
|
---|
1046 | {
|
---|
1047 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
1048 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
1049 | AssertReturn(uJolietLevel <= 3, VERR_INVALID_PARAMETER);
|
---|
1050 | AssertReturn(!pThis->fSeenContent, VERR_WRONG_ORDER);
|
---|
1051 |
|
---|
1052 | if (pThis->Joliet.uLevel != uJolietLevel)
|
---|
1053 | {
|
---|
1054 | if (uJolietLevel == 0)
|
---|
1055 | pThis->cVolumeDescriptors--;
|
---|
1056 | else if (pThis->Joliet.uLevel == 0)
|
---|
1057 | pThis->cVolumeDescriptors++;
|
---|
1058 | pThis->Joliet.uLevel = uJolietLevel;
|
---|
1059 | }
|
---|
1060 | return VINF_SUCCESS;
|
---|
1061 | }
|
---|
1062 |
|
---|
1063 |
|
---|
1064 | /**
|
---|
1065 | * Sets the rock ridge support level (on the primary ISO-9660 namespace).
|
---|
1066 | *
|
---|
1067 | * @returns IPRT status code
|
---|
1068 | * @param hIsoMaker The ISO maker handle.
|
---|
1069 | * @param uLevel 0 if disabled, 1 to just enable, 2 to enable and
|
---|
1070 | * write the ER tag.
|
---|
1071 | */
|
---|
1072 | RTDECL(int) RTFsIsoMakerSetRockRidgeLevel(RTFSISOMAKER hIsoMaker, uint8_t uLevel)
|
---|
1073 | {
|
---|
1074 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
1075 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
1076 | AssertReturn(!pThis->fSeenContent, VERR_WRONG_ORDER);
|
---|
1077 | AssertReturn(uLevel <= 2, VERR_INVALID_PARAMETER);
|
---|
1078 |
|
---|
1079 | pThis->PrimaryIso.uRockRidgeLevel = uLevel;
|
---|
1080 | return VINF_SUCCESS;
|
---|
1081 | }
|
---|
1082 |
|
---|
1083 |
|
---|
1084 | /**
|
---|
1085 | * Sets the rock ridge support level on the joliet namespace (experimental).
|
---|
1086 | *
|
---|
1087 | * @returns IPRT status code
|
---|
1088 | * @param hIsoMaker The ISO maker handle.
|
---|
1089 | * @param uLevel 0 if disabled, 1 to just enable, 2 to enable and
|
---|
1090 | * write the ER tag.
|
---|
1091 | */
|
---|
1092 | RTDECL(int) RTFsIsoMakerSetJolietRockRidgeLevel(RTFSISOMAKER hIsoMaker, uint8_t uLevel)
|
---|
1093 | {
|
---|
1094 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
1095 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
1096 | AssertReturn(!pThis->fSeenContent, VERR_WRONG_ORDER);
|
---|
1097 | AssertReturn(uLevel <= 2, VERR_INVALID_PARAMETER);
|
---|
1098 |
|
---|
1099 | pThis->Joliet.uRockRidgeLevel = uLevel;
|
---|
1100 | return VINF_SUCCESS;
|
---|
1101 | }
|
---|
1102 |
|
---|
1103 |
|
---|
1104 |
|
---|
1105 | /*
|
---|
1106 | *
|
---|
1107 | * Name space related internals.
|
---|
1108 | * Name space related internals.
|
---|
1109 | * Name space related internals.
|
---|
1110 | *
|
---|
1111 | */
|
---|
1112 |
|
---|
1113 |
|
---|
1114 | /**
|
---|
1115 | * Gets the pointer to the name member for the given namespace.
|
---|
1116 | *
|
---|
1117 | * @returns Pointer to name member.
|
---|
1118 | * @param pObj The object to find a name member in.
|
---|
1119 | * @param pNamespace The namespace which name to calculate.
|
---|
1120 | */
|
---|
1121 | DECLINLINE(PPRTFSISOMAKERNAME) rtFsIsoMakerObjGetNameForNamespace(PRTFSISOMAKEROBJ pObj, PCRTFSISOMAKERNAMESPACE pNamespace)
|
---|
1122 | {
|
---|
1123 | return (PPRTFSISOMAKERNAME)((uintptr_t)pObj + pNamespace->offName);
|
---|
1124 | }
|
---|
1125 |
|
---|
1126 |
|
---|
1127 | /**
|
---|
1128 | * Locates a child object by its namespace name.
|
---|
1129 | *
|
---|
1130 | * @returns Pointer to the child if found, NULL if not.
|
---|
1131 | * @param pDirObj The directory object to search.
|
---|
1132 | * @param pszEntry The (namespace) entry name.
|
---|
1133 | * @param cchEntry The length of the name.
|
---|
1134 | */
|
---|
1135 | static PRTFSISOMAKERNAME rtFsIsoMakerFindObjInDir(PRTFSISOMAKERNAME pDirObj, const char *pszEntry, size_t cchEntry)
|
---|
1136 | {
|
---|
1137 | if (pDirObj)
|
---|
1138 | {
|
---|
1139 | PRTFSISOMAKERNAMEDIR pDir = pDirObj->pDir;
|
---|
1140 | AssertReturn(pDir, NULL);
|
---|
1141 |
|
---|
1142 | uint32_t i = pDir->cChildren;
|
---|
1143 | while (i-- > 0)
|
---|
1144 | {
|
---|
1145 | PRTFSISOMAKERNAME pChild = pDir->papChildren[i];
|
---|
1146 | if ( pChild->cchName == cchEntry
|
---|
1147 | && RTStrNICmp(pChild->szName, pszEntry, cchEntry) == 0)
|
---|
1148 | return pChild;
|
---|
1149 | }
|
---|
1150 | }
|
---|
1151 | return NULL;
|
---|
1152 | }
|
---|
1153 |
|
---|
1154 |
|
---|
1155 | /**
|
---|
1156 | * Compares the two names according to ISO-9660 directory sorting rules.
|
---|
1157 | *
|
---|
1158 | * As long as we don't want to do case insensitive joliet sorting, this works
|
---|
1159 | * for joliet names to, I think.
|
---|
1160 | *
|
---|
1161 | * @returns 0 if equal, -1 if pszName1 comes first, 1 if pszName2 comes first.
|
---|
1162 | * @param pszName1 The first name.
|
---|
1163 | * @param pszName2 The second name.
|
---|
1164 | */
|
---|
1165 | DECLINLINE(int) rtFsIsoMakerCompareIso9660Names(const char *pszName1, const char *pszName2)
|
---|
1166 | {
|
---|
1167 | for (;;)
|
---|
1168 | {
|
---|
1169 | char const ch1 = *pszName1++;
|
---|
1170 | char const ch2 = *pszName2++;
|
---|
1171 | if (ch1 == ch2)
|
---|
1172 | {
|
---|
1173 | if (ch1)
|
---|
1174 | { /* likely */ }
|
---|
1175 | else
|
---|
1176 | return 0;
|
---|
1177 | }
|
---|
1178 | else if (ch1 == ';' || ch2 == ';')
|
---|
1179 | return ch1 == ';' ? -1 : 1;
|
---|
1180 | else if (ch1 == '.' || ch2 == '.')
|
---|
1181 | return ch1 == '.' ? -1 : 1;
|
---|
1182 | else
|
---|
1183 | return (unsigned char)ch1 < (unsigned char)ch2 ? -1 : 1;
|
---|
1184 | }
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 |
|
---|
1188 | /**
|
---|
1189 | * Finds the index into papChildren where the given name should be inserted.
|
---|
1190 | *
|
---|
1191 | * @returns Index of the given name.
|
---|
1192 | * @param pNamespace The namspace.
|
---|
1193 | * @param pParent The parent namespace node.
|
---|
1194 | * @param pszName The name.
|
---|
1195 | */
|
---|
1196 | static uint32_t rtFsIsoMakerFindInsertIndex(PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKERNAME pParent, const char *pszName)
|
---|
1197 | {
|
---|
1198 | uint32_t idxRet = pParent->pDir->cChildren;
|
---|
1199 | if (idxRet > 0)
|
---|
1200 | {
|
---|
1201 | /*
|
---|
1202 | * The idea is to do binary search using a namespace specific compare
|
---|
1203 | * function. However, it looks like we can get away with using the
|
---|
1204 | * same compare function for all namespaces.
|
---|
1205 | */
|
---|
1206 | uint32_t idxStart = 0;
|
---|
1207 | uint32_t idxEnd = idxRet;
|
---|
1208 | PPRTFSISOMAKERNAME papChildren = pParent->pDir->papChildren;
|
---|
1209 | switch (pNamespace->fNamespace)
|
---|
1210 | {
|
---|
1211 | case RTFSISOMAKER_NAMESPACE_ISO_9660:
|
---|
1212 | case RTFSISOMAKER_NAMESPACE_JOLIET:
|
---|
1213 | case RTFSISOMAKER_NAMESPACE_UDF:
|
---|
1214 | case RTFSISOMAKER_NAMESPACE_HFS:
|
---|
1215 | for (;;)
|
---|
1216 | {
|
---|
1217 | idxRet = idxStart + (idxEnd - idxStart) / 2;
|
---|
1218 | PRTFSISOMAKERNAME pCur = papChildren[idxRet];
|
---|
1219 | int iDiff = rtFsIsoMakerCompareIso9660Names(pszName, pCur->szName);
|
---|
1220 | if (iDiff < 0)
|
---|
1221 | {
|
---|
1222 | if (idxRet > idxStart)
|
---|
1223 | idxEnd = idxRet;
|
---|
1224 | else
|
---|
1225 | break;
|
---|
1226 | }
|
---|
1227 | else
|
---|
1228 | {
|
---|
1229 | idxRet++;
|
---|
1230 | if ( iDiff != 0
|
---|
1231 | && idxRet < idxEnd)
|
---|
1232 | idxStart = idxRet;
|
---|
1233 | else
|
---|
1234 | break;
|
---|
1235 | }
|
---|
1236 | }
|
---|
1237 | break;
|
---|
1238 |
|
---|
1239 | default:
|
---|
1240 | AssertFailed();
|
---|
1241 | break;
|
---|
1242 | }
|
---|
1243 | }
|
---|
1244 | return idxRet;
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 |
|
---|
1248 |
|
---|
1249 | /**
|
---|
1250 | * Locates a child entry by its specified name.
|
---|
1251 | *
|
---|
1252 | * @returns Pointer to the child if found, NULL if not.
|
---|
1253 | * @param pDirName The directory name to search.
|
---|
1254 | * @param pszEntry The (specified) entry name.
|
---|
1255 | * @param cchEntry The length of the name.
|
---|
1256 | */
|
---|
1257 | static PRTFSISOMAKERNAME rtFsIsoMakerFindEntryInDirBySpec(PRTFSISOMAKERNAME pDirName, const char *pszEntry, size_t cchEntry)
|
---|
1258 | {
|
---|
1259 | if (pDirName)
|
---|
1260 | {
|
---|
1261 | PRTFSISOMAKERNAMEDIR pDir = pDirName->pDir;
|
---|
1262 | AssertReturn(pDir, NULL);
|
---|
1263 |
|
---|
1264 | uint32_t i = pDir->cChildren;
|
---|
1265 | while (i-- > 0)
|
---|
1266 | {
|
---|
1267 | PRTFSISOMAKERNAME pChild = pDir->papChildren[i];
|
---|
1268 | if ( pChild->cchSpecNm == cchEntry
|
---|
1269 | && RTStrNICmp(pChild->pszSpecNm, pszEntry, cchEntry) == 0)
|
---|
1270 | return pChild;
|
---|
1271 | }
|
---|
1272 | }
|
---|
1273 | return NULL;
|
---|
1274 | }
|
---|
1275 |
|
---|
1276 |
|
---|
1277 | /**
|
---|
1278 | * Locates a subdir object in any namespace by its specified name.
|
---|
1279 | *
|
---|
1280 | * This is used to avoid having one instance of RTFSISOMAKERDIR in each
|
---|
1281 | * namespace for the same directory.
|
---|
1282 | *
|
---|
1283 | * @returns Pointer to the subdir object if found, NULL if not.
|
---|
1284 | * @param pDirObj The directory object to search.
|
---|
1285 | * @param pszEntry The (specified) entry name.
|
---|
1286 | * @param cchEntry The length of the name.
|
---|
1287 | * @param fSkipNamespaces Namespaces to skip.
|
---|
1288 | * @sa rtFsIsoMakerFindEntryInDirBySpec
|
---|
1289 | */
|
---|
1290 | static PRTFSISOMAKERDIR rtFsIsoMakerFindSubdirBySpec(PRTFSISOMAKERDIR pDirObj, const char *pszEntry, size_t cchEntry,
|
---|
1291 | uint32_t fSkipNamespaces)
|
---|
1292 | {
|
---|
1293 | AssertReturn(pDirObj, NULL);
|
---|
1294 | AssertReturn(pDirObj->Core.enmType == RTFSISOMAKEROBJTYPE_DIR, NULL);
|
---|
1295 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aRTFsIsoNamespaces); i++)
|
---|
1296 | if (!(fSkipNamespaces & g_aRTFsIsoNamespaces[i].fNamespace))
|
---|
1297 | {
|
---|
1298 | PRTFSISOMAKERNAME pDirName = *(PPRTFSISOMAKERNAME)((uintptr_t)pDirObj + g_aRTFsIsoNamespaces[i].offName);
|
---|
1299 | if (pDirName)
|
---|
1300 | {
|
---|
1301 | PRTFSISOMAKERNAMEDIR pDir = pDirName->pDir;
|
---|
1302 | AssertStmt(pDir, continue);
|
---|
1303 |
|
---|
1304 | uint32_t iChild = pDir->cChildren;
|
---|
1305 | while (iChild-- > 0)
|
---|
1306 | {
|
---|
1307 | PRTFSISOMAKERNAME pChild = pDir->papChildren[iChild];
|
---|
1308 | if ( pChild->cchSpecNm == cchEntry
|
---|
1309 | && pChild->pDir != NULL
|
---|
1310 | && RTStrNICmp(pChild->pszSpecNm, pszEntry, cchEntry) == 0)
|
---|
1311 | return (PRTFSISOMAKERDIR)pChild->pObj;
|
---|
1312 | }
|
---|
1313 | }
|
---|
1314 | }
|
---|
1315 | return NULL;
|
---|
1316 | }
|
---|
1317 |
|
---|
1318 |
|
---|
1319 | /**
|
---|
1320 | * Walks the given path by specified object names in a namespace.
|
---|
1321 | *
|
---|
1322 | * @returns IPRT status code.
|
---|
1323 | * @param pNamespace The namespace to walk the path in.
|
---|
1324 | * @param pszPath The path to walk.
|
---|
1325 | * @param ppName Where to return the name node that the path ends with.
|
---|
1326 | */
|
---|
1327 | static int rtFsIsoMakerWalkPathBySpec(PRTFSISOMAKERNAMESPACE pNamespace, const char *pszPath, PPRTFSISOMAKERNAME ppName)
|
---|
1328 | {
|
---|
1329 | *ppName = NULL;
|
---|
1330 | AssertReturn(RTPATH_IS_SLASH(*pszPath), VERR_INVALID_NAME);
|
---|
1331 |
|
---|
1332 | /*
|
---|
1333 | * Deal with the special case of the root.
|
---|
1334 | */
|
---|
1335 | while (RTPATH_IS_SLASH(*pszPath))
|
---|
1336 | pszPath++;
|
---|
1337 | AssertReturn(*pszPath, VERR_INTERNAL_ERROR_4);
|
---|
1338 |
|
---|
1339 | PRTFSISOMAKERNAME pCur = pNamespace->pRoot;
|
---|
1340 | if (!pCur)
|
---|
1341 | return *pszPath ? VERR_PATH_NOT_FOUND : VERR_FILE_NOT_FOUND;
|
---|
1342 | if (!*pszPath)
|
---|
1343 | {
|
---|
1344 | *ppName = pCur;
|
---|
1345 | return VINF_SUCCESS;
|
---|
1346 | }
|
---|
1347 |
|
---|
1348 | /*
|
---|
1349 | * Now, do the rest of the path.
|
---|
1350 | */
|
---|
1351 | for (;;)
|
---|
1352 | {
|
---|
1353 | /*
|
---|
1354 | * Find the end of the component.
|
---|
1355 | */
|
---|
1356 | char ch;
|
---|
1357 | size_t cchComponent = 0;
|
---|
1358 | while ((ch = pszPath[cchComponent]) != '\0' && RTPATH_IS_SLASH(ch))
|
---|
1359 | cchComponent++;
|
---|
1360 | if (!cchComponent)
|
---|
1361 | {
|
---|
1362 | *ppName = pCur;
|
---|
1363 | return VINF_SUCCESS;
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | size_t offNext = cchComponent;
|
---|
1367 | while (RTPATH_IS_SLASH(ch))
|
---|
1368 | ch = pszPath[offNext++];
|
---|
1369 |
|
---|
1370 | /*
|
---|
1371 | * Deal with dot and dot-dot.
|
---|
1372 | */
|
---|
1373 | if (cchComponent == 1 && pszPath[0] == '.')
|
---|
1374 | { /* nothing to do */ }
|
---|
1375 | else if (cchComponent == 2 && pszPath[0] == '.' && pszPath[1] == '.')
|
---|
1376 | {
|
---|
1377 | if (pCur->pParent)
|
---|
1378 | pCur = pCur->pParent;
|
---|
1379 | }
|
---|
1380 | /*
|
---|
1381 | * Look up the name.
|
---|
1382 | */
|
---|
1383 | else
|
---|
1384 | {
|
---|
1385 | PRTFSISOMAKERNAME pChild = rtFsIsoMakerFindEntryInDirBySpec(pCur, pszPath, cchComponent);
|
---|
1386 | if (!pChild)
|
---|
1387 | return pszPath[offNext] ? VERR_PATH_NOT_FOUND : VERR_FILE_NOT_FOUND;
|
---|
1388 | if ( (offNext > cchComponent)
|
---|
1389 | && !pChild->pDir)
|
---|
1390 | return VERR_NOT_A_DIRECTORY;
|
---|
1391 | pCur = pChild;
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | /*
|
---|
1395 | * Skip ahead in the path.
|
---|
1396 | */
|
---|
1397 | pszPath += offNext;
|
---|
1398 | }
|
---|
1399 | }
|
---|
1400 |
|
---|
1401 |
|
---|
1402 | /**
|
---|
1403 | * Copy and convert a name to valid ISO-9660 (d-characters only).
|
---|
1404 | *
|
---|
1405 | * Worker for rtFsIsoMakerNormalizeNameForNamespace. ASSUMES it deals with
|
---|
1406 | * dots.
|
---|
1407 | *
|
---|
1408 | * @returns Length of the resulting string.
|
---|
1409 | * @param pszDst The output buffer.
|
---|
1410 | * @param cchDstMax The maximum number of (d-chars) to put in the output
|
---|
1411 | * buffer.
|
---|
1412 | * @param pchSrc The UTF-8 source string (not neccessarily terminated).
|
---|
1413 | * @param cchSrc The maximum number of chars to copy from the source
|
---|
1414 | * string.
|
---|
1415 | */
|
---|
1416 | static size_t rtFsIsoMakerCopyIso9660Name(char *pszDst, size_t cchDstMax, const char *pchSrc, size_t cchSrc)
|
---|
1417 | {
|
---|
1418 | const char *pchSrcIn = pchSrc;
|
---|
1419 | size_t offDst = 0;
|
---|
1420 | while ((size_t)(pchSrc - pchSrcIn) < cchSrc)
|
---|
1421 | {
|
---|
1422 | RTUNICP uc;
|
---|
1423 | int rc = RTStrGetCpEx(&pchSrc, &uc);
|
---|
1424 | if (RT_SUCCESS(rc))
|
---|
1425 | {
|
---|
1426 | if ( uc < 128
|
---|
1427 | && RTFSISOMAKER_IS_UPPER_IN_D_CHARS((char)uc))
|
---|
1428 | {
|
---|
1429 | pszDst[offDst++] = RT_C_TO_UPPER((char)uc);
|
---|
1430 | if (offDst >= cchDstMax)
|
---|
1431 | break;
|
---|
1432 | }
|
---|
1433 | }
|
---|
1434 | }
|
---|
1435 | pszDst[offDst] = '\0';
|
---|
1436 | return offDst;
|
---|
1437 | }
|
---|
1438 |
|
---|
1439 |
|
---|
1440 | /**
|
---|
1441 | * Normalizes a name for the primary ISO-9660 namespace.
|
---|
1442 | *
|
---|
1443 | * @returns IPRT status code.
|
---|
1444 | * @param pThis The ISO maker instance.
|
---|
1445 | * @param pParent The parent directory. NULL if root.
|
---|
1446 | * @param pchSrc The specified name to normalize (not necessarily zero
|
---|
1447 | * terminated).
|
---|
1448 | * @param cchSrc The length of the specified name.
|
---|
1449 | * @param fIsDir Indicates whether it's a directory or file (like).
|
---|
1450 | * @param pszDst The output buffer. Must be at least 32 bytes.
|
---|
1451 | * @param cbDst The size of the output buffer.
|
---|
1452 | * @param pcchDst Where to return the length of the returned string (i.e.
|
---|
1453 | * not counting the terminator).
|
---|
1454 | * @param pcbInDirRec Where to return the name size in the directory record.
|
---|
1455 | */
|
---|
1456 | static int rtFsIsoMakerNormalizeNameForPrimaryIso9660(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAME pParent,
|
---|
1457 | const char *pchSrc, size_t cchSrc, bool fIsDir,
|
---|
1458 | char *pszDst, size_t cbDst, size_t *pcchDst, size_t *pcbInDirRec)
|
---|
1459 | {
|
---|
1460 | AssertReturn(cbDst > ISO9660_MAX_NAME_LEN, VERR_INTERNAL_ERROR_3);
|
---|
1461 |
|
---|
1462 | /* Skip leading dots. */
|
---|
1463 | while (cchSrc > 0 && *pchSrc == '.')
|
---|
1464 | pchSrc++, cchSrc--;
|
---|
1465 | if (!cchSrc)
|
---|
1466 | {
|
---|
1467 | pchSrc = "DOTS";
|
---|
1468 | cchSrc = 4;
|
---|
1469 | }
|
---|
1470 |
|
---|
1471 | /*
|
---|
1472 | * Produce a first name.
|
---|
1473 | */
|
---|
1474 | uint8_t const uIsoLevel = pThis->PrimaryIso.uLevel;
|
---|
1475 | size_t cchDst;
|
---|
1476 | size_t offDstDot;
|
---|
1477 | if (fIsDir)
|
---|
1478 | offDstDot = cchDst = rtFsIsoMakerCopyIso9660Name(pszDst, uIsoLevel >= 2 ? ISO9660_MAX_NAME_LEN : 8,
|
---|
1479 | pchSrc, cchSrc);
|
---|
1480 | else
|
---|
1481 | {
|
---|
1482 | /* Look for the last dot and try preserve the extension when doing the conversion. */
|
---|
1483 | size_t offLastDot = cchSrc;
|
---|
1484 | for (size_t off = 0; off < cchSrc; off++)
|
---|
1485 | if (pchSrc[off] == '.')
|
---|
1486 | offLastDot = off;
|
---|
1487 |
|
---|
1488 | if (offLastDot == cchSrc)
|
---|
1489 | offDstDot = cchDst = rtFsIsoMakerCopyIso9660Name(pszDst, uIsoLevel >= 2 ? ISO9660_MAX_NAME_LEN : 8,
|
---|
1490 | pchSrc, cchSrc);
|
---|
1491 | else
|
---|
1492 | {
|
---|
1493 | const char * const pchSrcExt = &pchSrc[offLastDot + 1];
|
---|
1494 | size_t const cchSrcExt = cchSrc - offLastDot - 1;
|
---|
1495 | if (uIsoLevel < 2)
|
---|
1496 | {
|
---|
1497 | cchDst = rtFsIsoMakerCopyIso9660Name(pszDst, 8, pchSrc, cchSrc);
|
---|
1498 | offDstDot = cchDst;
|
---|
1499 | pszDst[cchDst++] = '.';
|
---|
1500 | cchDst += rtFsIsoMakerCopyIso9660Name(&pszDst[cchDst], 3, pchSrcExt, cchSrcExt);
|
---|
1501 | }
|
---|
1502 | else
|
---|
1503 | {
|
---|
1504 | size_t cchDstExt = rtFsIsoMakerCopyIso9660Name(pszDst, ISO9660_MAX_NAME_LEN - 2, pchSrcExt, cchSrcExt);
|
---|
1505 | if (cchDstExt > 0)
|
---|
1506 | {
|
---|
1507 | size_t cchBasename = rtFsIsoMakerCopyIso9660Name(pszDst, ISO9660_MAX_NAME_LEN - 2,
|
---|
1508 | pchSrc, offLastDot);
|
---|
1509 | if (cchBasename + 1 + cchDstExt <= ISO9660_MAX_NAME_LEN)
|
---|
1510 | cchDst = cchBasename;
|
---|
1511 | else
|
---|
1512 | cchDst = ISO9660_MAX_NAME_LEN - 1 - RT_MIN(cchDstExt, 4);
|
---|
1513 | offDstDot = cchDst;
|
---|
1514 | pszDst[cchDst++] = '.';
|
---|
1515 | cchDst += rtFsIsoMakerCopyIso9660Name(&pszDst[cchDst], ISO9660_MAX_NAME_LEN - 1 - cchDst,
|
---|
1516 | pchSrcExt, cchSrcExt);
|
---|
1517 | }
|
---|
1518 | else
|
---|
1519 | offDstDot = cchDst = rtFsIsoMakerCopyIso9660Name(pszDst, ISO9660_MAX_NAME_LEN, pchSrc, cchSrc);
|
---|
1520 | }
|
---|
1521 | }
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | /*
|
---|
1525 | * Unique name?
|
---|
1526 | */
|
---|
1527 | if (!rtFsIsoMakerFindObjInDir(pParent, pszDst, cchDst))
|
---|
1528 | {
|
---|
1529 | *pcchDst = cchDst;
|
---|
1530 | *pcbInDirRec = cchDst;
|
---|
1531 | return VINF_SUCCESS;
|
---|
1532 | }
|
---|
1533 |
|
---|
1534 | /*
|
---|
1535 | * Mangle the name till we've got a unique one.
|
---|
1536 | */
|
---|
1537 | size_t const cchMaxBasename = (uIsoLevel >= 2 ? ISO9660_MAX_NAME_LEN : 8) - (cchDst - offDstDot);
|
---|
1538 | size_t cchInserted = 0;
|
---|
1539 | for (uint32_t i = 0; i < _32K; i++)
|
---|
1540 | {
|
---|
1541 | /* Add a numberic infix. */
|
---|
1542 | char szOrd[64];
|
---|
1543 | size_t cchOrd = RTStrFormatU32(szOrd, sizeof(szOrd), i + 1, 10, -1, -1, 0 /*fFlags*/);
|
---|
1544 | Assert((ssize_t)cchOrd > 0);
|
---|
1545 |
|
---|
1546 | /* Do we need to shuffle the suffix? */
|
---|
1547 | if (cchOrd > cchInserted)
|
---|
1548 | {
|
---|
1549 | if (offDstDot < cchMaxBasename)
|
---|
1550 | {
|
---|
1551 | memmove(&pszDst[offDstDot + 1], &pszDst[offDstDot], cchDst + 1 - offDstDot);
|
---|
1552 | cchDst++;
|
---|
1553 | offDstDot++;
|
---|
1554 | }
|
---|
1555 | cchInserted = cchOrd;
|
---|
1556 | }
|
---|
1557 |
|
---|
1558 | /* Insert the new infix and try again. */
|
---|
1559 | memcpy(&pszDst[offDstDot - cchOrd], szOrd, cchOrd);
|
---|
1560 | if (!rtFsIsoMakerFindObjInDir(pParent, pszDst, cchDst))
|
---|
1561 | {
|
---|
1562 | *pcchDst = cchDst;
|
---|
1563 | *pcbInDirRec = cchDst;
|
---|
1564 | return VINF_SUCCESS;
|
---|
1565 | }
|
---|
1566 | }
|
---|
1567 | AssertFailed();
|
---|
1568 | return VERR_DUPLICATE;
|
---|
1569 | }
|
---|
1570 |
|
---|
1571 |
|
---|
1572 | /**
|
---|
1573 | * Normalizes a name for the specified name space.
|
---|
1574 | *
|
---|
1575 | * @returns IPRT status code.
|
---|
1576 | * @param pThis The ISO maker instance.
|
---|
1577 | * @param pNamespace The namespace which rules to normalize it according to.
|
---|
1578 | * @param pParent The parent directory. NULL if root.
|
---|
1579 | * @param pchSrc The specified name to normalize (not necessarily zero
|
---|
1580 | * terminated).
|
---|
1581 | * @param cchSrc The length of the specified name.
|
---|
1582 | * @param fIsDir Indicates whether it's a directory or file (like).
|
---|
1583 | * @param pszDst The output buffer. Must be at least 32 bytes.
|
---|
1584 | * @param cbDst The size of the output buffer.
|
---|
1585 | * @param pcchDst Where to return the length of the returned string (i.e.
|
---|
1586 | * not counting the terminator).
|
---|
1587 | * @param pcbInDirRec Where to return the name size in the directory record.
|
---|
1588 | */
|
---|
1589 | static int rtFsIsoMakerNormalizeNameForNamespace(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace,
|
---|
1590 | PRTFSISOMAKERNAME pParent, const char *pchSrc, size_t cchSrc, bool fIsDir,
|
---|
1591 | char *pszDst, size_t cbDst, size_t *pcchDst, size_t *pcbInDirRec)
|
---|
1592 | {
|
---|
1593 | if (cchSrc > 0)
|
---|
1594 | {
|
---|
1595 | /*
|
---|
1596 | * Check that the object doesn't already exist.
|
---|
1597 | */
|
---|
1598 | AssertReturn(!rtFsIsoMakerFindEntryInDirBySpec(pParent, pchSrc, cchSrc), VERR_ALREADY_EXISTS);
|
---|
1599 | switch (pNamespace->fNamespace)
|
---|
1600 | {
|
---|
1601 | /*
|
---|
1602 | * This one is a lot of work, so separate function.
|
---|
1603 | */
|
---|
1604 | case RTFSISOMAKER_NAMESPACE_ISO_9660:
|
---|
1605 | return rtFsIsoMakerNormalizeNameForPrimaryIso9660(pThis, pParent, pchSrc, cchSrc, fIsDir,
|
---|
1606 | pszDst, cbDst, pcchDst, pcbInDirRec);
|
---|
1607 |
|
---|
1608 | /*
|
---|
1609 | * At the moment we don't give darn about UCS-2 limitations here...
|
---|
1610 | */
|
---|
1611 | case RTFSISOMAKER_NAMESPACE_JOLIET:
|
---|
1612 | {
|
---|
1613 | /** @todo Joliet name limit and check for duplicates. */
|
---|
1614 | AssertReturn(cbDst > cchSrc, VERR_BUFFER_OVERFLOW);
|
---|
1615 | memcpy(pszDst, pchSrc, cchSrc);
|
---|
1616 | pszDst[cchSrc] = '\0';
|
---|
1617 | *pcchDst = cchSrc;
|
---|
1618 | *pcbInDirRec = RTStrCalcUtf16Len(pszDst) * sizeof(RTUTF16);
|
---|
1619 | return VINF_SUCCESS;
|
---|
1620 | }
|
---|
1621 |
|
---|
1622 | case RTFSISOMAKER_NAMESPACE_UDF:
|
---|
1623 | case RTFSISOMAKER_NAMESPACE_HFS:
|
---|
1624 | AssertFailedReturn(VERR_NOT_IMPLEMENTED);
|
---|
1625 |
|
---|
1626 | default:
|
---|
1627 | AssertFailedReturn(VERR_INTERNAL_ERROR_2);
|
---|
1628 | }
|
---|
1629 | }
|
---|
1630 | else
|
---|
1631 | {
|
---|
1632 | /*
|
---|
1633 | * Root special case.
|
---|
1634 | */
|
---|
1635 | *pszDst = '\0';
|
---|
1636 | *pcchDst = 0;
|
---|
1637 | *pcbInDirRec = 0;
|
---|
1638 | AssertReturn(!pParent, VERR_INTERNAL_ERROR_3);
|
---|
1639 | return VINF_SUCCESS;
|
---|
1640 | }
|
---|
1641 | }
|
---|
1642 |
|
---|
1643 |
|
---|
1644 | /**
|
---|
1645 | * Creates a TRANS.TBL file object for a newly named directory.
|
---|
1646 | *
|
---|
1647 | * The file is associated with the namespace node for the directory. The file
|
---|
1648 | * will be generated on the fly from the directory object.
|
---|
1649 | *
|
---|
1650 | * @returns IPRT status code.
|
---|
1651 | * @param pThis The ISO maker instance.
|
---|
1652 | * @param pNamespace The namespace.
|
---|
1653 | * @param pDirName The new name space node for the directory.
|
---|
1654 | */
|
---|
1655 | static int rtFsIsoMakerAddTransTblFileToNewDir(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace,
|
---|
1656 | PRTFSISOMAKERNAME pDirName)
|
---|
1657 | {
|
---|
1658 | /*
|
---|
1659 | * Create a file object for it.
|
---|
1660 | */
|
---|
1661 | PRTFSISOMAKERFILE pFile;
|
---|
1662 | int rc = rtFsIsoMakerAddUnnamedFileWorker(pThis, NULL, 0, &pFile);
|
---|
1663 | if (RT_SUCCESS(rc))
|
---|
1664 | {
|
---|
1665 | pFile->enmSrcType = RTFSISOMAKERSRCTYPE_TRANS_TBL;
|
---|
1666 | pFile->u.pTransTblDir = pDirName;
|
---|
1667 | pDirName->pDir->pTransTblFile = pFile;
|
---|
1668 |
|
---|
1669 | /*
|
---|
1670 | * Add it to the directory.
|
---|
1671 | */
|
---|
1672 | PRTFSISOMAKERNAME pTransTblNm;
|
---|
1673 | rc = rtFsIsoMakerObjSetName(pThis, pNamespace, &pFile->Core, pDirName,
|
---|
1674 | pNamespace->pszTransTbl, strlen(pNamespace->pszTransTbl), &pTransTblNm);
|
---|
1675 | if (RT_SUCCESS(rc))
|
---|
1676 | {
|
---|
1677 | pTransTblNm->cchTransNm = 0;
|
---|
1678 | return VINF_SUCCESS;
|
---|
1679 | }
|
---|
1680 |
|
---|
1681 | /*
|
---|
1682 | * Bail.
|
---|
1683 | */
|
---|
1684 | pDirName->pDir->pTransTblFile = NULL;
|
---|
1685 | rtFsIsoMakerObjRemoveWorker(pThis, &pFile->Core);
|
---|
1686 | }
|
---|
1687 | return rc;
|
---|
1688 | }
|
---|
1689 |
|
---|
1690 |
|
---|
1691 | /**
|
---|
1692 | * Sets the name of an object in a namespace.
|
---|
1693 | *
|
---|
1694 | * If the object is already named in the name space, it will first be removed
|
---|
1695 | * from that namespace. Should we run out of memory or into normalization
|
---|
1696 | * issues after removing it, its original state will _not_ be restored.
|
---|
1697 | *
|
---|
1698 | * @returns IPRT status code.
|
---|
1699 | * @param pThis The ISO maker instance.
|
---|
1700 | * @param pNamespace The namespace.
|
---|
1701 | * @param pObj The object to name.
|
---|
1702 | * @param pParent The parent namespace entry
|
---|
1703 | * @param pchSpec The specified name (not necessarily terminated).
|
---|
1704 | * @param cchSpec The specified name length.
|
---|
1705 | * @param ppNewName Where to return the name entry. Optional.
|
---|
1706 | */
|
---|
1707 | static int rtFsIsoMakerObjSetName(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKEROBJ pObj,
|
---|
1708 | PRTFSISOMAKERNAME pParent, const char *pchSpec, size_t cchSpec, PPRTFSISOMAKERNAME ppNewName)
|
---|
1709 | {
|
---|
1710 | Assert(cchSpec < _32K);
|
---|
1711 |
|
---|
1712 | /*
|
---|
1713 | * If the object is already named, unset that name before continuing.
|
---|
1714 | */
|
---|
1715 | if (*rtFsIsoMakerObjGetNameForNamespace(pObj, pNamespace))
|
---|
1716 | {
|
---|
1717 | int rc = rtFsIsoMakerObjUnsetName(pThis, pNamespace, pObj);
|
---|
1718 | if (RT_FAILURE(rc))
|
---|
1719 | return rc;
|
---|
1720 | }
|
---|
1721 |
|
---|
1722 | /*
|
---|
1723 | * To avoid need to revert anything, make sure papChildren in the parent is
|
---|
1724 | * large enough. If root object, make sure we haven't got a root already.
|
---|
1725 | */
|
---|
1726 | if (pParent)
|
---|
1727 | {
|
---|
1728 | AssertReturn(pParent->pDir, VERR_INTERNAL_ERROR_5);
|
---|
1729 | uint32_t cChildren = pParent->pDir->cChildren;
|
---|
1730 | if (cChildren & 31)
|
---|
1731 | { /* likely */ }
|
---|
1732 | else
|
---|
1733 | {
|
---|
1734 | AssertReturn(cChildren < RTFSISOMAKER_MAX_OBJECTS_PER_DIR, VERR_TOO_MUCH_DATA);
|
---|
1735 | void *pvNew = RTMemRealloc(pParent->pDir->papChildren, (cChildren + 32) * sizeof(pParent->pDir->papChildren[0]));
|
---|
1736 | AssertReturn(pvNew, VERR_NO_MEMORY);
|
---|
1737 | pParent->pDir->papChildren = (PPRTFSISOMAKERNAME)pvNew;
|
---|
1738 | }
|
---|
1739 | }
|
---|
1740 | else
|
---|
1741 | AssertReturn(pNamespace->pRoot == NULL, VERR_INTERNAL_ERROR_5);
|
---|
1742 |
|
---|
1743 | /*
|
---|
1744 | * Normalize the name for this namespace.
|
---|
1745 | */
|
---|
1746 | size_t cchName = 0;
|
---|
1747 | size_t cbNameInDirRec = 0;
|
---|
1748 | char szName[RTFSISOMAKER_MAX_NAME_BUF];
|
---|
1749 | int rc = rtFsIsoMakerNormalizeNameForNamespace(pThis, pNamespace, pParent, pchSpec, cchSpec,
|
---|
1750 | pObj->enmType == RTFSISOMAKEROBJTYPE_DIR,
|
---|
1751 | szName, sizeof(szName), &cchName, &cbNameInDirRec);
|
---|
1752 | if (RT_SUCCESS(rc))
|
---|
1753 | {
|
---|
1754 | size_t cbName = sizeof(RTFSISOMAKERNAME)
|
---|
1755 | + cchName + 1
|
---|
1756 | + cchSpec + 1;
|
---|
1757 | if (pObj->enmType == RTFSISOMAKEROBJTYPE_DIR)
|
---|
1758 | cbName = RT_ALIGN_Z(cbName, 8) + sizeof(RTFSISOMAKERNAMEDIR);
|
---|
1759 | PRTFSISOMAKERNAME pName = (PRTFSISOMAKERNAME)RTMemAllocZ(cbName);
|
---|
1760 | if (pName)
|
---|
1761 | {
|
---|
1762 | pName->pObj = pObj;
|
---|
1763 | pName->pParent = pParent;
|
---|
1764 | pName->cbNameInDirRec = (uint16_t)cbNameInDirRec;
|
---|
1765 | pName->cchName = (uint16_t)cchName;
|
---|
1766 |
|
---|
1767 | char *pszDst = &pName->szName[cchName + 1];
|
---|
1768 | memcpy(pszDst, pchSpec, cchSpec);
|
---|
1769 | pszDst[cchSpec] = '\0';
|
---|
1770 | pName->pszSpecNm = pszDst;
|
---|
1771 | pName->pszRockRidgeNm = pszDst;
|
---|
1772 | pName->pszTransNm = pszDst;
|
---|
1773 | pName->cchSpecNm = (uint16_t)cchSpec;
|
---|
1774 | pName->cchRockRidgeNm = (uint16_t)cchSpec;
|
---|
1775 | pName->cchTransNm = (uint16_t)cchSpec;
|
---|
1776 | pName->uDepth = pParent ? pParent->uDepth + 1 : 0;
|
---|
1777 | pName->fRockRidgeNmAlloced = false;
|
---|
1778 | pName->fTransNmAlloced = false;
|
---|
1779 |
|
---|
1780 | pName->fMode = pObj->fMode;
|
---|
1781 | pName->uid = pObj->uid;
|
---|
1782 | pName->gid = pObj->gid;
|
---|
1783 | pName->Device = 0;
|
---|
1784 | pName->INode = pObj->idxObj;
|
---|
1785 | pName->cHardlinks = 1;
|
---|
1786 | pName->offDirRec = UINT32_MAX;
|
---|
1787 | pName->cbDirRec = 0;
|
---|
1788 |
|
---|
1789 | memcpy(pName->szName, szName, cchName);
|
---|
1790 | pName->szName[cchName] = '\0';
|
---|
1791 |
|
---|
1792 | if (pObj->enmType != RTFSISOMAKEROBJTYPE_DIR)
|
---|
1793 | pName->pDir = NULL;
|
---|
1794 | else
|
---|
1795 | {
|
---|
1796 | size_t offDir = RT_UOFFSETOF(RTFSISOMAKERNAME, szName) + cchName + 1 + cchSpec + 1;
|
---|
1797 | offDir = RT_ALIGN_Z(offDir, 8);
|
---|
1798 | PRTFSISOMAKERNAMEDIR pDir = (PRTFSISOMAKERNAMEDIR)((uintptr_t)pName + offDir);
|
---|
1799 | pDir->offDir = UINT64_MAX;
|
---|
1800 | pDir->cbDir = 0;
|
---|
1801 | pDir->cChildren = 0;
|
---|
1802 | pDir->papChildren = NULL;
|
---|
1803 | pDir->pTransTblFile = NULL;
|
---|
1804 | pDir->pName = pName;
|
---|
1805 | pDir->offPathTable = UINT32_MAX;
|
---|
1806 | pDir->idPathTable = UINT16_MAX;
|
---|
1807 | pDir->cbDirRec00 = 0;
|
---|
1808 | pDir->cbDirRec01 = 0;
|
---|
1809 | RTListInit(&pDir->FinalizedEntry);
|
---|
1810 | pName->pDir = pDir;
|
---|
1811 |
|
---|
1812 | /* Create the TRANS.TBL file object and enter it into this directory as the first entry. */
|
---|
1813 | if (pNamespace->pszTransTbl)
|
---|
1814 | {
|
---|
1815 | rc = rtFsIsoMakerAddTransTblFileToNewDir(pThis, pNamespace, pName);
|
---|
1816 | if (RT_FAILURE(rc))
|
---|
1817 | {
|
---|
1818 | RTMemFree(pName);
|
---|
1819 | return rc;
|
---|
1820 | }
|
---|
1821 | }
|
---|
1822 | }
|
---|
1823 |
|
---|
1824 | /*
|
---|
1825 | * Do the linking and stats. We practice insertion sorting.
|
---|
1826 | */
|
---|
1827 | if (pParent)
|
---|
1828 | {
|
---|
1829 | uint32_t idxName = rtFsIsoMakerFindInsertIndex(pNamespace, pParent, pName->szName);
|
---|
1830 | uint32_t cChildren = pParent->pDir->cChildren;
|
---|
1831 | if (idxName < cChildren)
|
---|
1832 | memmove(&pParent->pDir->papChildren[idxName + 1], &pParent->pDir->papChildren[idxName],
|
---|
1833 | (cChildren - idxName) * sizeof(pParent->pDir->papChildren[0]));
|
---|
1834 | pParent->pDir->papChildren[idxName] = pName;
|
---|
1835 | pParent->pDir->cChildren++;
|
---|
1836 | }
|
---|
1837 | else
|
---|
1838 | pNamespace->pRoot = pName;
|
---|
1839 | *rtFsIsoMakerObjGetNameForNamespace(pObj, pNamespace) = pName;
|
---|
1840 | pNamespace->cNames++;
|
---|
1841 |
|
---|
1842 | /*
|
---|
1843 | * Done.
|
---|
1844 | */
|
---|
1845 | if (ppNewName)
|
---|
1846 | *ppNewName = pName;
|
---|
1847 | return VINF_SUCCESS;
|
---|
1848 | }
|
---|
1849 | }
|
---|
1850 | return rc;
|
---|
1851 | }
|
---|
1852 |
|
---|
1853 |
|
---|
1854 | /**
|
---|
1855 | * Walks the path up to the parent, creating missing directories as needed.
|
---|
1856 | *
|
---|
1857 | * As usual, we walk the specified names rather than the mangled ones.
|
---|
1858 | *
|
---|
1859 | * @returns IPRT status code.
|
---|
1860 | * @param pThis The ISO maker instance.
|
---|
1861 | * @param pNamespace The namespace to walk.
|
---|
1862 | * @param pszPath The path to walk.
|
---|
1863 | * @param ppParent Where to return the pointer to the parent
|
---|
1864 | * namespace node.
|
---|
1865 | * @param ppszEntry Where to return the pointer to the final name component.
|
---|
1866 | * @param pcchEntry Where to return the length of the final name component.
|
---|
1867 | */
|
---|
1868 | static int rtFsIsoMakerCreatePathToParent(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace, const char *pszPath,
|
---|
1869 | PPRTFSISOMAKERNAME ppParent, const char **ppszEntry, size_t *pcchEntry)
|
---|
1870 | {
|
---|
1871 | int rc;
|
---|
1872 | AssertReturn(RTPATH_IS_SLASH(*pszPath), VERR_INTERNAL_ERROR_4);
|
---|
1873 |
|
---|
1874 | /*
|
---|
1875 | * Deal with the special case of the root.
|
---|
1876 | */
|
---|
1877 | while (RTPATH_IS_SLASH(*pszPath))
|
---|
1878 | pszPath++;
|
---|
1879 | AssertReturn(*pszPath, VERR_INTERNAL_ERROR_4); /* We should not be called on a root path. */
|
---|
1880 |
|
---|
1881 | PRTFSISOMAKERNAME pParent = pNamespace->pRoot;
|
---|
1882 | if (!pParent)
|
---|
1883 | {
|
---|
1884 | PRTFSISOMAKERDIR pDir = RTListGetFirst(&pThis->ObjectHead, RTFSISOMAKERDIR, Core.Entry);
|
---|
1885 | #ifdef RT_STRICT
|
---|
1886 | Assert(pDir);
|
---|
1887 | Assert(pDir->Core.idxObj == 0);
|
---|
1888 | Assert(pDir->Core.enmType == RTFSISOMAKEROBJTYPE_DIR);
|
---|
1889 | Assert(*rtFsIsoMakerObjGetNameForNamespace(&pDir->Core, pNamespace) == NULL);
|
---|
1890 | #endif
|
---|
1891 |
|
---|
1892 | rc = rtFsIsoMakerObjSetName(pThis, pNamespace, &pDir->Core, NULL /*pParent*/, "", 0, &pParent);
|
---|
1893 | AssertRCReturn(rc, rc);
|
---|
1894 | pParent = pNamespace->pRoot;
|
---|
1895 | AssertReturn(pParent, VERR_INTERNAL_ERROR_4);
|
---|
1896 | }
|
---|
1897 |
|
---|
1898 | /*
|
---|
1899 | * Now, do the rest of the path.
|
---|
1900 | */
|
---|
1901 | for (;;)
|
---|
1902 | {
|
---|
1903 | /*
|
---|
1904 | * Find the end of the component and see if its the final one or not.
|
---|
1905 | */
|
---|
1906 | char ch;
|
---|
1907 | size_t cchComponent = 0;
|
---|
1908 | while ((ch = pszPath[cchComponent]) != '\0' && !RTPATH_IS_SLASH(ch))
|
---|
1909 | cchComponent++;
|
---|
1910 | AssertReturn(cchComponent > 0, VERR_INTERNAL_ERROR_4);
|
---|
1911 |
|
---|
1912 | size_t offNext = cchComponent;
|
---|
1913 | while (RTPATH_IS_SLASH(ch))
|
---|
1914 | ch = pszPath[offNext++];
|
---|
1915 |
|
---|
1916 | if (ch == '\0')
|
---|
1917 | {
|
---|
1918 | /*
|
---|
1919 | * Final component. Make sure it is not dot or dot-dot before returning.
|
---|
1920 | */
|
---|
1921 | AssertReturn( pszPath[0] != '.'
|
---|
1922 | || cchComponent > 2
|
---|
1923 | || ( cchComponent == 2
|
---|
1924 | && pszPath[1] != '.'),
|
---|
1925 | VERR_INVALID_NAME);
|
---|
1926 |
|
---|
1927 | *ppParent = pParent;
|
---|
1928 | *ppszEntry = pszPath;
|
---|
1929 | *pcchEntry = cchComponent;
|
---|
1930 | return VINF_SUCCESS;
|
---|
1931 | }
|
---|
1932 |
|
---|
1933 | /*
|
---|
1934 | * Deal with dot and dot-dot.
|
---|
1935 | */
|
---|
1936 | if (cchComponent == 1 && pszPath[0] == '.')
|
---|
1937 | { /* nothing to do */ }
|
---|
1938 | else if (cchComponent == 2 && pszPath[0] == '.' && pszPath[1] == '.')
|
---|
1939 | {
|
---|
1940 | if (pParent->pParent)
|
---|
1941 | pParent = pParent->pParent;
|
---|
1942 | }
|
---|
1943 | /*
|
---|
1944 | * Look it up.
|
---|
1945 | */
|
---|
1946 | else
|
---|
1947 | {
|
---|
1948 | PRTFSISOMAKERNAME pChild = rtFsIsoMakerFindEntryInDirBySpec(pParent, pszPath, cchComponent);
|
---|
1949 | if (pChild)
|
---|
1950 | {
|
---|
1951 | if (pChild->pDir)
|
---|
1952 | pParent = pChild;
|
---|
1953 | else
|
---|
1954 | return VERR_NOT_A_DIRECTORY;
|
---|
1955 | }
|
---|
1956 | else
|
---|
1957 | {
|
---|
1958 | /* Try see if we've got a directory with the same spec name in a different namespace.
|
---|
1959 | (We don't want to waste heap by creating a directory instance per namespace.) */
|
---|
1960 | PRTFSISOMAKERDIR pChildObj = rtFsIsoMakerFindSubdirBySpec((PRTFSISOMAKERDIR)pParent->pObj,
|
---|
1961 | pszPath, cchComponent, pNamespace->fNamespace);
|
---|
1962 | if (pChildObj)
|
---|
1963 | {
|
---|
1964 | PPRTFSISOMAKERNAME ppChildName = rtFsIsoMakerObjGetNameForNamespace(&pChildObj->Core, pNamespace);
|
---|
1965 | if (!*ppChildName)
|
---|
1966 | {
|
---|
1967 | rc = rtFsIsoMakerObjSetName(pThis, pNamespace, &pChildObj->Core, pParent, pszPath, cchComponent, &pChild);
|
---|
1968 | if (RT_FAILURE(rc))
|
---|
1969 | return rc;
|
---|
1970 | AssertReturn(pChild != NULL, VERR_INTERNAL_ERROR_4);
|
---|
1971 | }
|
---|
1972 | }
|
---|
1973 | /* If we didn't have luck in other namespaces, create a new directory. */
|
---|
1974 | if (!pChild)
|
---|
1975 | {
|
---|
1976 | rc = rtFsIsoMakerAddUnnamedDirWorker(pThis, &pChildObj);
|
---|
1977 | if (RT_SUCCESS(rc))
|
---|
1978 | rc = rtFsIsoMakerObjSetName(pThis, pNamespace, &pChildObj->Core, pParent, pszPath, cchComponent, &pChild);
|
---|
1979 | if (RT_FAILURE(rc))
|
---|
1980 | return rc;
|
---|
1981 | AssertReturn(pChild != NULL, VERR_INTERNAL_ERROR_4);
|
---|
1982 | }
|
---|
1983 | }
|
---|
1984 | }
|
---|
1985 |
|
---|
1986 | /*
|
---|
1987 | * Skip ahead in the path.
|
---|
1988 | */
|
---|
1989 | pszPath += offNext;
|
---|
1990 | }
|
---|
1991 | }
|
---|
1992 |
|
---|
1993 |
|
---|
1994 | /**
|
---|
1995 | * Worker for RTFsIsoMakerObjSetPath that operates on a single namespace.
|
---|
1996 | *
|
---|
1997 | * @returns IPRT status code.
|
---|
1998 | * @param pThis The ISO maker instance.
|
---|
1999 | * @param pNamespace The namespace to name it in.
|
---|
2000 | * @param pObj The filesystem object to name.
|
---|
2001 | * @param pszPath The path to the entry in the namespace.
|
---|
2002 | */
|
---|
2003 | static int rtFsIsoMakerObjSetPathInOne(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace,
|
---|
2004 | PRTFSISOMAKEROBJ pObj, const char *pszPath)
|
---|
2005 | {
|
---|
2006 | AssertReturn(*rtFsIsoMakerObjGetNameForNamespace(pObj, pNamespace) == NULL, VERR_WRONG_ORDER);
|
---|
2007 | AssertReturn(RTPATH_IS_SLASH(*pszPath), VERR_INTERNAL_ERROR_5);
|
---|
2008 |
|
---|
2009 | /*
|
---|
2010 | * Figure out where the parent is.
|
---|
2011 | * This will create missing parent name space entries and directory nodes.
|
---|
2012 | */
|
---|
2013 | PRTFSISOMAKERNAME pParent;
|
---|
2014 | const char *pszEntry;
|
---|
2015 | size_t cchEntry;
|
---|
2016 | int rc;
|
---|
2017 | if (pszPath[1] != '\0')
|
---|
2018 | rc = rtFsIsoMakerCreatePathToParent(pThis, pNamespace, pszPath, &pParent, &pszEntry, &cchEntry);
|
---|
2019 | else
|
---|
2020 | {
|
---|
2021 | /*
|
---|
2022 | * Special case for the root directory.
|
---|
2023 | */
|
---|
2024 | Assert(pObj->enmType == RTFSISOMAKEROBJTYPE_DIR);
|
---|
2025 | AssertReturn(pNamespace->pRoot == NULL, VERR_WRONG_ORDER);
|
---|
2026 | pszEntry = "/";
|
---|
2027 | cchEntry = 0;
|
---|
2028 | pParent = NULL;
|
---|
2029 | rc = VINF_SUCCESS;
|
---|
2030 | }
|
---|
2031 |
|
---|
2032 | /*
|
---|
2033 | * Do the job on the final path component.
|
---|
2034 | */
|
---|
2035 | if (RT_SUCCESS(rc))
|
---|
2036 | {
|
---|
2037 | AssertReturn(!RTPATH_IS_SLASH(pszEntry[cchEntry]) || pObj->enmType == RTFSISOMAKEROBJTYPE_DIR,
|
---|
2038 | VERR_NOT_A_DIRECTORY);
|
---|
2039 | rc = rtFsIsoMakerObjSetName(pThis, pNamespace, pObj, pParent, pszEntry, cchEntry, NULL);
|
---|
2040 | }
|
---|
2041 | return rc;
|
---|
2042 | }
|
---|
2043 |
|
---|
2044 |
|
---|
2045 | /**
|
---|
2046 | * Removes an object from the given namespace.
|
---|
2047 | *
|
---|
2048 | * @returns IPRT status code.
|
---|
2049 | * @param pThis The ISO maker instance.
|
---|
2050 | * @param pNamespace The namespace.
|
---|
2051 | * @param pObj The object to name.
|
---|
2052 | */
|
---|
2053 | static int rtFsIsoMakerObjUnsetName(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKEROBJ pObj)
|
---|
2054 | {
|
---|
2055 | /*
|
---|
2056 | * First check if there is anything to do here at all.
|
---|
2057 | */
|
---|
2058 | PPRTFSISOMAKERNAME ppName = rtFsIsoMakerObjGetNameForNamespace(pObj, pNamespace);
|
---|
2059 | PRTFSISOMAKERNAME pName = *ppName;
|
---|
2060 | if (!pName)
|
---|
2061 | return VINF_SUCCESS;
|
---|
2062 |
|
---|
2063 | /*
|
---|
2064 | * We don't support this on the root.
|
---|
2065 | */
|
---|
2066 | AssertReturn(pName->pParent, VERR_ACCESS_DENIED);
|
---|
2067 |
|
---|
2068 | /*
|
---|
2069 | * If this is a directory, we're in for some real fun here as we need to
|
---|
2070 | * unset the names of all the children too.
|
---|
2071 | */
|
---|
2072 | PRTFSISOMAKERNAMEDIR pDir = pName->pDir;
|
---|
2073 | if (pDir)
|
---|
2074 | {
|
---|
2075 | uint32_t iChild = pDir->cChildren;
|
---|
2076 | while (iChild-- > 0)
|
---|
2077 | {
|
---|
2078 | int rc = rtFsIsoMakerObjUnsetName(pThis, pNamespace, pDir->papChildren[iChild]->pObj);
|
---|
2079 | if (RT_FAILURE(rc))
|
---|
2080 | return rc;
|
---|
2081 | }
|
---|
2082 | AssertReturn(pDir->cChildren == 0, VERR_DIR_NOT_EMPTY);
|
---|
2083 | }
|
---|
2084 |
|
---|
2085 | /*
|
---|
2086 | * Unlink the pName from the parent.
|
---|
2087 | */
|
---|
2088 | pDir = pName->pParent->pDir;
|
---|
2089 | uint32_t iChild = pDir->cChildren;
|
---|
2090 | while (iChild-- > 0)
|
---|
2091 | if (pDir->papChildren[iChild] == pName)
|
---|
2092 | {
|
---|
2093 | uint32_t cToMove = pDir->cChildren - iChild - 1;
|
---|
2094 | if (cToMove > 0)
|
---|
2095 | memmove(&pDir->papChildren[iChild], &pDir->papChildren[iChild + 1], cToMove * sizeof(pDir->papChildren[0]));
|
---|
2096 | pDir->cChildren--;
|
---|
2097 | pNamespace->cNames--;
|
---|
2098 |
|
---|
2099 | /*
|
---|
2100 | * NULL the name member in the object and free the structure.
|
---|
2101 | */
|
---|
2102 | *ppName = NULL;
|
---|
2103 | RTMemFree(pName);
|
---|
2104 |
|
---|
2105 | return VINF_SUCCESS;
|
---|
2106 | }
|
---|
2107 |
|
---|
2108 | /* Not found. This can't happen. */
|
---|
2109 | AssertFailed();
|
---|
2110 | return VERR_INTERNAL_ERROR_2;
|
---|
2111 | }
|
---|
2112 |
|
---|
2113 |
|
---|
2114 |
|
---|
2115 |
|
---|
2116 |
|
---|
2117 |
|
---|
2118 | /*
|
---|
2119 | *
|
---|
2120 | * Object level config
|
---|
2121 | * Object level config
|
---|
2122 | * Object level config
|
---|
2123 | *
|
---|
2124 | */
|
---|
2125 |
|
---|
2126 |
|
---|
2127 | /**
|
---|
2128 | * Translates an object index number to an object pointer, slow path.
|
---|
2129 | *
|
---|
2130 | * @returns Pointer to object, NULL if not found.
|
---|
2131 | * @param pThis The ISO maker instance.
|
---|
2132 | * @param idxObj The object index too resolve.
|
---|
2133 | */
|
---|
2134 | DECL_NO_INLINE(static, PRTFSISOMAKEROBJ) rtFsIsoMakerIndexToObjSlow(PRTFSISOMAKERINT pThis, uint32_t idxObj)
|
---|
2135 | {
|
---|
2136 | PRTFSISOMAKEROBJ pObj;
|
---|
2137 | RTListForEachReverse(&pThis->ObjectHead, pObj, RTFSISOMAKEROBJ, Entry)
|
---|
2138 | {
|
---|
2139 | if (pObj->idxObj == idxObj)
|
---|
2140 | return pObj;
|
---|
2141 | }
|
---|
2142 | return NULL;
|
---|
2143 | }
|
---|
2144 |
|
---|
2145 |
|
---|
2146 | /**
|
---|
2147 | * Translates an object index number to an object pointer.
|
---|
2148 | *
|
---|
2149 | * @returns Pointer to object, NULL if not found.
|
---|
2150 | * @param pThis The ISO maker instance.
|
---|
2151 | * @param idxObj The object index too resolve.
|
---|
2152 | */
|
---|
2153 | DECLINLINE(PRTFSISOMAKEROBJ) rtFsIsoMakerIndexToObj(PRTFSISOMAKERINT pThis, uint32_t idxObj)
|
---|
2154 | {
|
---|
2155 | PRTFSISOMAKEROBJ pObj = RTListGetLast(&pThis->ObjectHead, RTFSISOMAKEROBJ, Entry);
|
---|
2156 | if (!pObj || RT_LIKELY(pObj->idxObj == idxObj))
|
---|
2157 | return pObj;
|
---|
2158 | return rtFsIsoMakerIndexToObjSlow(pThis, idxObj);
|
---|
2159 | }
|
---|
2160 |
|
---|
2161 |
|
---|
2162 | /**
|
---|
2163 | * Resolves a path into a object ID.
|
---|
2164 | *
|
---|
2165 | * This will be doing the looking up using the specified object names rather
|
---|
2166 | * than the version adjusted and mangled according to the namespace setup.
|
---|
2167 | *
|
---|
2168 | * @returns The object ID corresponding to @a pszPath, or UINT32_MAX if not
|
---|
2169 | * found or invalid parameters.
|
---|
2170 | * @param hIsoMaker The ISO maker instance.
|
---|
2171 | * @param fNamespaces The namespace to resolve @a pszPath in. It's
|
---|
2172 | * possible to specify multiple namespaces here, of
|
---|
2173 | * course, but that's inefficient.
|
---|
2174 | * @param pszPath The path to the object.
|
---|
2175 | */
|
---|
2176 | RTDECL(uint32_t) RTFsIsoMakerGetObjIdxForPath(RTFSISOMAKER hIsoMaker, uint32_t fNamespaces, const char *pszPath)
|
---|
2177 | {
|
---|
2178 | /*
|
---|
2179 | * Validate input.
|
---|
2180 | */
|
---|
2181 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2182 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET_EX(pThis, UINT32_MAX);
|
---|
2183 |
|
---|
2184 | /*
|
---|
2185 | * Do the searching.
|
---|
2186 | */
|
---|
2187 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aRTFsIsoNamespaces); i++)
|
---|
2188 | if (fNamespaces & g_aRTFsIsoNamespaces[i].fNamespace)
|
---|
2189 | {
|
---|
2190 | PRTFSISOMAKERNAMESPACE pNamespace = (PRTFSISOMAKERNAMESPACE)((uintptr_t)pThis + g_aRTFsIsoNamespaces[i].offNamespace);
|
---|
2191 | if (pNamespace->pRoot)
|
---|
2192 | {
|
---|
2193 | PRTFSISOMAKERNAME pName;
|
---|
2194 | int rc = rtFsIsoMakerWalkPathBySpec(pNamespace, pszPath, &pName);
|
---|
2195 | if (RT_SUCCESS(rc))
|
---|
2196 | return pName->pObj->idxObj;
|
---|
2197 | }
|
---|
2198 | }
|
---|
2199 |
|
---|
2200 | return UINT32_MAX;
|
---|
2201 | }
|
---|
2202 |
|
---|
2203 |
|
---|
2204 | /**
|
---|
2205 | * Removes the specified object from the image.
|
---|
2206 | *
|
---|
2207 | * This is a worker for RTFsIsoMakerObjRemove and
|
---|
2208 | * rtFsIsoMakerFinalizeRemoveOrphans.
|
---|
2209 | *
|
---|
2210 | * @returns IPRT status code.
|
---|
2211 | * @param hIsoMaker The ISO maker instance.
|
---|
2212 | * @param pObj The object to remove from the image.
|
---|
2213 | */
|
---|
2214 | static int rtFsIsoMakerObjRemoveWorker(PRTFSISOMAKERINT pThis, PRTFSISOMAKEROBJ pObj)
|
---|
2215 | {
|
---|
2216 | /*
|
---|
2217 | * Remove the object from all name spaces.
|
---|
2218 | */
|
---|
2219 | int rc = VINF_SUCCESS;
|
---|
2220 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aRTFsIsoNamespaces); i++)
|
---|
2221 | {
|
---|
2222 | PRTFSISOMAKERNAMESPACE pNamespace = (PRTFSISOMAKERNAMESPACE)((uintptr_t)pThis + g_aRTFsIsoNamespaces[i].offNamespace);
|
---|
2223 | int rc2 = rtFsIsoMakerObjUnsetName(pThis, pNamespace, pObj);
|
---|
2224 | if (RT_SUCCESS(rc2) || RT_FAILURE(rc))
|
---|
2225 | continue;
|
---|
2226 | rc = rc2;
|
---|
2227 | }
|
---|
2228 |
|
---|
2229 | /*
|
---|
2230 | * If that succeeded, remove the object itself.
|
---|
2231 | */
|
---|
2232 | if (RT_SUCCESS(rc))
|
---|
2233 | {
|
---|
2234 | RTListNodeRemove(&pObj->Entry);
|
---|
2235 | if (pObj->enmType == RTFSISOMAKEROBJTYPE_FILE)
|
---|
2236 | {
|
---|
2237 | uint64_t cbData = ((PRTFSISOMAKERFILE)pObj)->cbData;
|
---|
2238 | pThis->cbData -= RT_ALIGN_64(cbData, RTFSISOMAKER_SECTOR_SIZE);
|
---|
2239 | }
|
---|
2240 | pThis->cObjects--;
|
---|
2241 | rtFsIsoMakerObjDestroy(pObj);
|
---|
2242 | }
|
---|
2243 | return rc;
|
---|
2244 | }
|
---|
2245 |
|
---|
2246 |
|
---|
2247 | /**
|
---|
2248 | * Removes the specified object from the image.
|
---|
2249 | *
|
---|
2250 | * @returns IPRT status code.
|
---|
2251 | * @param hIsoMaker The ISO maker instance.
|
---|
2252 | * @param idxObj The index of the object to remove.
|
---|
2253 | */
|
---|
2254 | RTDECL(int) RTFsIsoMakerObjRemove(RTFSISOMAKER hIsoMaker, uint32_t idxObj)
|
---|
2255 | {
|
---|
2256 | /*
|
---|
2257 | * Validate and translate input.
|
---|
2258 | */
|
---|
2259 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2260 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2261 | PRTFSISOMAKEROBJ pObj = rtFsIsoMakerIndexToObj(pThis, idxObj);
|
---|
2262 | AssertReturn(pObj, VERR_OUT_OF_RANGE);
|
---|
2263 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2264 |
|
---|
2265 | /*
|
---|
2266 | * Call worker.
|
---|
2267 | */
|
---|
2268 | return rtFsIsoMakerObjRemoveWorker(pThis, pObj);
|
---|
2269 | }
|
---|
2270 |
|
---|
2271 |
|
---|
2272 | /**
|
---|
2273 | * Sets the path (name) of an object in the selected namespaces.
|
---|
2274 | *
|
---|
2275 | * The name will be transformed as necessary.
|
---|
2276 | *
|
---|
2277 | * The initial implementation does not allow this function to be called more
|
---|
2278 | * than once on an object.
|
---|
2279 | *
|
---|
2280 | * @returns IPRT status code.
|
---|
2281 | * @param hIsoMaker The ISO maker handle.
|
---|
2282 | * @param idxObj The configuration index of to name.
|
---|
2283 | * @param fNamespaces The namespaces to apply the path to
|
---|
2284 | * (RTFSISOMAKER_NAMESPACE_XXX).
|
---|
2285 | * @param pszPath The path.
|
---|
2286 | */
|
---|
2287 | RTDECL(int) RTFsIsoMakerObjSetPath(RTFSISOMAKER hIsoMaker, uint32_t idxObj, uint32_t fNamespaces, const char *pszPath)
|
---|
2288 | {
|
---|
2289 | /*
|
---|
2290 | * Validate and translate input.
|
---|
2291 | */
|
---|
2292 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2293 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2294 | AssertReturn(!(fNamespaces & ~RTFSISOMAKER_NAMESPACE_VALID_MASK), VERR_INVALID_FLAGS);
|
---|
2295 | AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
|
---|
2296 | AssertReturn(RTPATH_IS_SLASH(*pszPath), VERR_INVALID_NAME);
|
---|
2297 | PRTFSISOMAKEROBJ pObj = rtFsIsoMakerIndexToObj(pThis, idxObj);
|
---|
2298 | AssertReturn(pObj, VERR_OUT_OF_RANGE);
|
---|
2299 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2300 |
|
---|
2301 | /*
|
---|
2302 | * Execute requested actions.
|
---|
2303 | */
|
---|
2304 | int rc = VINF_SUCCESS;
|
---|
2305 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aRTFsIsoNamespaces); i++)
|
---|
2306 | if (fNamespaces & g_aRTFsIsoNamespaces[i].fNamespace)
|
---|
2307 | {
|
---|
2308 | PRTFSISOMAKERNAMESPACE pNamespace = (PRTFSISOMAKERNAMESPACE)((uintptr_t)pThis + g_aRTFsIsoNamespaces[i].offNamespace);
|
---|
2309 | if (pNamespace->uLevel > 0)
|
---|
2310 | {
|
---|
2311 | int rc2 = rtFsIsoMakerObjSetPathInOne(pThis, pNamespace, pObj, pszPath);
|
---|
2312 | if (RT_SUCCESS(rc2) || RT_FAILURE(rc))
|
---|
2313 | continue;
|
---|
2314 | rc = rc2;
|
---|
2315 | }
|
---|
2316 | }
|
---|
2317 | return rc;
|
---|
2318 | }
|
---|
2319 |
|
---|
2320 |
|
---|
2321 | /**
|
---|
2322 | * Sets the name of an object in the selected namespaces, placing it under the
|
---|
2323 | * given directory.
|
---|
2324 | *
|
---|
2325 | * The name will be transformed as necessary.
|
---|
2326 | *
|
---|
2327 | * @returns IPRT status code.
|
---|
2328 | * @param hIsoMaker The ISO maker handle.
|
---|
2329 | * @param idxObj The configuration index of to name.
|
---|
2330 | * @param idxParentObj The parent directory object.
|
---|
2331 | * @param fNamespaces The namespaces to apply the path to
|
---|
2332 | * (RTFSISOMAKER_NAMESPACE_XXX).
|
---|
2333 | * @param pszName The name.
|
---|
2334 | */
|
---|
2335 | RTDECL(int) RTFsIsoMakerObjSetNameAndParent(RTFSISOMAKER hIsoMaker, uint32_t idxObj, uint32_t idxParentObj,
|
---|
2336 | uint32_t fNamespaces, const char *pszName)
|
---|
2337 | {
|
---|
2338 | /*
|
---|
2339 | * Validate and translate input.
|
---|
2340 | */
|
---|
2341 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2342 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2343 | AssertReturn(!(fNamespaces & ~RTFSISOMAKER_NAMESPACE_VALID_MASK), VERR_INVALID_FLAGS);
|
---|
2344 | AssertPtrReturn(pszName, VERR_INVALID_POINTER);
|
---|
2345 | size_t cchName = strlen(pszName);
|
---|
2346 | AssertReturn(cchName > 0, VERR_INVALID_NAME);
|
---|
2347 | AssertReturn(memchr(pszName, '/', cchName) == NULL, VERR_INVALID_NAME);
|
---|
2348 | PRTFSISOMAKEROBJ pObj = rtFsIsoMakerIndexToObj(pThis, idxObj);
|
---|
2349 | AssertReturn(pObj, VERR_OUT_OF_RANGE);
|
---|
2350 | PRTFSISOMAKEROBJ pParentObj = rtFsIsoMakerIndexToObj(pThis, idxParentObj);
|
---|
2351 | AssertReturn(pParentObj, VERR_OUT_OF_RANGE);
|
---|
2352 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2353 |
|
---|
2354 | /*
|
---|
2355 | * Execute requested actions.
|
---|
2356 | */
|
---|
2357 | int rc = VINF_SUCCESS;
|
---|
2358 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aRTFsIsoNamespaces); i++)
|
---|
2359 | if (fNamespaces & g_aRTFsIsoNamespaces[i].fNamespace)
|
---|
2360 | {
|
---|
2361 | PRTFSISOMAKERNAMESPACE pNamespace = (PRTFSISOMAKERNAMESPACE)((uintptr_t)pThis + g_aRTFsIsoNamespaces[i].offNamespace);
|
---|
2362 | if (pNamespace->uLevel > 0)
|
---|
2363 | {
|
---|
2364 | PRTFSISOMAKERNAME pParentName = *rtFsIsoMakerObjGetNameForNamespace(pParentObj, pNamespace);
|
---|
2365 | if (pParentName)
|
---|
2366 | {
|
---|
2367 | int rc2 = rtFsIsoMakerObjSetName(pThis, pNamespace, pObj, pParentName, pszName, cchName, NULL /*ppNewName*/);
|
---|
2368 | if (RT_SUCCESS(rc2) || RT_FAILURE(rc))
|
---|
2369 | continue;
|
---|
2370 | rc = rc2;
|
---|
2371 | }
|
---|
2372 | }
|
---|
2373 | }
|
---|
2374 | return rc;
|
---|
2375 | }
|
---|
2376 |
|
---|
2377 |
|
---|
2378 | /**
|
---|
2379 | * Initalizes the common part of a file system object and links it into global
|
---|
2380 | * chain.
|
---|
2381 | *
|
---|
2382 | * @returns IPRT status code
|
---|
2383 | * @param pThis The ISO maker instance.
|
---|
2384 | * @param pObj The common object.
|
---|
2385 | * @param enmType The object type.
|
---|
2386 | * @param pObjInfo The object information (typically source).
|
---|
2387 | * Optional.
|
---|
2388 | */
|
---|
2389 | static int rtFsIsoMakerInitCommonObj(PRTFSISOMAKERINT pThis, PRTFSISOMAKEROBJ pObj,
|
---|
2390 | RTFSISOMAKEROBJTYPE enmType, PCRTFSOBJINFO pObjInfo)
|
---|
2391 | {
|
---|
2392 | Assert(!pThis->fFinalized);
|
---|
2393 | AssertReturn(pThis->cObjects < RTFSISOMAKER_MAX_OBJECTS, VERR_OUT_OF_RANGE);
|
---|
2394 |
|
---|
2395 | pObj->enmType = enmType;
|
---|
2396 | pObj->pPrimaryName = NULL;
|
---|
2397 | pObj->pJolietName = NULL;
|
---|
2398 | pObj->pUdfName = NULL;
|
---|
2399 | pObj->pHfsName = NULL;
|
---|
2400 | pObj->idxObj = pThis->cObjects++;
|
---|
2401 | pObj->fNotOrphan = false;
|
---|
2402 | if (pObjInfo)
|
---|
2403 | {
|
---|
2404 | pObj->BirthTime = pObjInfo->BirthTime;
|
---|
2405 | pObj->ChangeTime = pObjInfo->ChangeTime;
|
---|
2406 | pObj->ModificationTime = pObjInfo->ModificationTime;
|
---|
2407 | pObj->AccessedTime = pObjInfo->AccessTime;
|
---|
2408 | pObj->fMode = pObjInfo->Attr.fMode;
|
---|
2409 | pObj->uid = pObjInfo->Attr.u.Unix.uid != NIL_RTUID ? pObjInfo->Attr.u.Unix.uid : pThis->uidDefault;
|
---|
2410 | pObj->gid = pObjInfo->Attr.u.Unix.gid != NIL_RTGID ? pObjInfo->Attr.u.Unix.gid : pThis->gidDefault;
|
---|
2411 | }
|
---|
2412 | else
|
---|
2413 | {
|
---|
2414 | pObj->BirthTime = pThis->ImageCreationTime;
|
---|
2415 | pObj->ChangeTime = pThis->ImageCreationTime;
|
---|
2416 | pObj->ModificationTime = pThis->ImageCreationTime;
|
---|
2417 | pObj->AccessedTime = pThis->ImageCreationTime;
|
---|
2418 | pObj->fMode = enmType == RTFSISOMAKEROBJTYPE_DIR ? pThis->fDefaultDirMode : pThis->fDefaultFileMode;
|
---|
2419 | pObj->uid = pThis->uidDefault;
|
---|
2420 | pObj->gid = pThis->gidDefault;
|
---|
2421 | }
|
---|
2422 |
|
---|
2423 | RTListAppend(&pThis->ObjectHead, &pObj->Entry);
|
---|
2424 | return VINF_SUCCESS;
|
---|
2425 | }
|
---|
2426 |
|
---|
2427 |
|
---|
2428 | /**
|
---|
2429 | * Internal function for adding an unnamed directory.
|
---|
2430 | *
|
---|
2431 | * @returns IPRT status code.
|
---|
2432 | * @param pThis The ISO make instance.
|
---|
2433 | * @param ppDir Where to return the directory.
|
---|
2434 | */
|
---|
2435 | static int rtFsIsoMakerAddUnnamedDirWorker(PRTFSISOMAKERINT pThis, PRTFSISOMAKERDIR *ppDir)
|
---|
2436 | {
|
---|
2437 | PRTFSISOMAKERDIR pDir = (PRTFSISOMAKERDIR)RTMemAllocZ(sizeof(*pDir));
|
---|
2438 | AssertReturn(pDir, VERR_NO_MEMORY);
|
---|
2439 | int rc = rtFsIsoMakerInitCommonObj(pThis, &pDir->Core, RTFSISOMAKEROBJTYPE_DIR, NULL);
|
---|
2440 | if (RT_SUCCESS(rc))
|
---|
2441 | {
|
---|
2442 | *ppDir = pDir;
|
---|
2443 | return VINF_SUCCESS;
|
---|
2444 | }
|
---|
2445 | RTMemFree(pDir);
|
---|
2446 | return rc;
|
---|
2447 |
|
---|
2448 | }
|
---|
2449 |
|
---|
2450 |
|
---|
2451 | /**
|
---|
2452 | * Adds an unnamed directory to the image.
|
---|
2453 | *
|
---|
2454 | * The directory must explictly be entered into the desired namespaces.
|
---|
2455 | *
|
---|
2456 | * @returns IPRT status code
|
---|
2457 | * @param hIsoMaker The ISO maker handle.
|
---|
2458 | * @param pidxObj Where to return the configuration index of the
|
---|
2459 | * directory.
|
---|
2460 | * @sa RTFsIsoMakerAddDir, RTFsIsoMakerObjSetPath
|
---|
2461 | */
|
---|
2462 | RTDECL(int) RTFsIsoMakerAddUnnamedDir(RTFSISOMAKER hIsoMaker, uint32_t *pidxObj)
|
---|
2463 | {
|
---|
2464 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2465 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2466 | AssertPtrReturn(pidxObj, VERR_INVALID_POINTER);
|
---|
2467 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2468 |
|
---|
2469 | PRTFSISOMAKERDIR pDir;
|
---|
2470 | int rc = rtFsIsoMakerAddUnnamedDirWorker(pThis, &pDir);
|
---|
2471 | *pidxObj = RT_SUCCESS(rc) ? pDir->Core.idxObj : UINT32_MAX;
|
---|
2472 | return rc;
|
---|
2473 | }
|
---|
2474 |
|
---|
2475 |
|
---|
2476 | /**
|
---|
2477 | * Adds a directory to the image in all namespaces and default attributes.
|
---|
2478 | *
|
---|
2479 | * @returns IPRT status code
|
---|
2480 | * @param hIsoMaker The ISO maker handle.
|
---|
2481 | * @param pszDir The path (UTF-8) to the directory in the ISO.
|
---|
2482 | *
|
---|
2483 | * @param pidxObj Where to return the configuration index of the
|
---|
2484 | * directory. Optional.
|
---|
2485 | * @sa RTFsIsoMakerAddUnnamedDir, RTFsIsoMakerObjSetPath
|
---|
2486 | */
|
---|
2487 | RTDECL(int) RTFsIsoMakerAddDir(RTFSISOMAKER hIsoMaker, const char *pszDir, uint32_t *pidxObj)
|
---|
2488 | {
|
---|
2489 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2490 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2491 | AssertPtrReturn(pszDir, VERR_INVALID_POINTER);
|
---|
2492 | AssertReturn(RTPATH_IS_SLASH(*pszDir), VERR_INVALID_NAME);
|
---|
2493 |
|
---|
2494 | uint32_t idxObj;
|
---|
2495 | int rc = RTFsIsoMakerAddUnnamedDir(hIsoMaker, &idxObj);
|
---|
2496 | if (RT_SUCCESS(rc))
|
---|
2497 | {
|
---|
2498 | rc = RTFsIsoMakerObjSetPath(hIsoMaker, idxObj, RTFSISOMAKER_NAMESPACE_ALL, pszDir);
|
---|
2499 | if (RT_SUCCESS(rc))
|
---|
2500 | {
|
---|
2501 | if (pidxObj)
|
---|
2502 | *pidxObj = idxObj;
|
---|
2503 | }
|
---|
2504 | else
|
---|
2505 | RTFsIsoMakerObjRemove(hIsoMaker, idxObj);
|
---|
2506 | }
|
---|
2507 | return rc;
|
---|
2508 | }
|
---|
2509 |
|
---|
2510 |
|
---|
2511 | /**
|
---|
2512 | * Internal function for adding an unnamed file.
|
---|
2513 | *
|
---|
2514 | * @returns IPRT status code.
|
---|
2515 | * @param pThis The ISO make instance.
|
---|
2516 | * @param cbExtra Extra space for additional data (e.g. source
|
---|
2517 | * path string copy).
|
---|
2518 | * @param ppFile Where to return the file.
|
---|
2519 | */
|
---|
2520 | static int rtFsIsoMakerAddUnnamedFileWorker(PRTFSISOMAKERINT pThis, PCRTFSOBJINFO pObjInfo, size_t cbExtra,
|
---|
2521 | PRTFSISOMAKERFILE *ppFile)
|
---|
2522 | {
|
---|
2523 | PRTFSISOMAKERFILE pFile = (PRTFSISOMAKERFILE)RTMemAllocZ(sizeof(*pFile) + cbExtra);
|
---|
2524 | AssertReturn(pFile, VERR_NO_MEMORY);
|
---|
2525 | int rc = rtFsIsoMakerInitCommonObj(pThis, &pFile->Core, RTFSISOMAKEROBJTYPE_FILE, pObjInfo);
|
---|
2526 | if (RT_SUCCESS(rc))
|
---|
2527 | {
|
---|
2528 | pFile->cbData = pObjInfo ? pObjInfo->cbObject : 0;
|
---|
2529 | pThis->cbData += RT_ALIGN_64(pFile->cbData, RTFSISOMAKER_SECTOR_SIZE);
|
---|
2530 | pFile->offData = UINT64_MAX;
|
---|
2531 | pFile->enmSrcType = RTFSISOMAKERSRCTYPE_INVALID;
|
---|
2532 | pFile->u.pszSrcPath = NULL;
|
---|
2533 | RTListInit(&pFile->FinalizedEntry);
|
---|
2534 |
|
---|
2535 | *ppFile = pFile;
|
---|
2536 | return VINF_SUCCESS;
|
---|
2537 | }
|
---|
2538 | RTMemFree(pFile);
|
---|
2539 | return rc;
|
---|
2540 |
|
---|
2541 | }
|
---|
2542 |
|
---|
2543 |
|
---|
2544 | /**
|
---|
2545 | * Adds an unnamed file to the image that's backed by a host file.
|
---|
2546 | *
|
---|
2547 | * The file must explictly be entered into the desired namespaces.
|
---|
2548 | *
|
---|
2549 | * @returns IPRT status code
|
---|
2550 | * @param hIsoMaker The ISO maker handle.
|
---|
2551 | * @param pszSrcFile The source file path. VFS chain spec allowed.
|
---|
2552 | * @param pidxObj Where to return the configuration index of the
|
---|
2553 | * directory.
|
---|
2554 | * @sa RTFsIsoMakerAddFile, RTFsIsoMakerObjSetPath
|
---|
2555 | */
|
---|
2556 | RTDECL(int) RTFsIsoMakerAddUnnamedFileWithSrcPath(RTFSISOMAKER hIsoMaker, const char *pszSrcFile, uint32_t *pidxObj)
|
---|
2557 | {
|
---|
2558 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2559 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2560 | AssertPtrReturn(pidxObj, VERR_INVALID_POINTER);
|
---|
2561 | *pidxObj = UINT32_MAX;
|
---|
2562 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2563 |
|
---|
2564 | /*
|
---|
2565 | * Check that the source file exists and is a file.
|
---|
2566 | */
|
---|
2567 | uint32_t offError = 0;
|
---|
2568 | RTFSOBJINFO ObjInfo;
|
---|
2569 | int rc = RTVfsChainQueryInfo(pszSrcFile, &ObjInfo, RTFSOBJATTRADD_UNIX, RTPATH_F_FOLLOW_LINK, &offError, NULL);
|
---|
2570 | AssertMsgRCReturn(rc, ("%s -> %Rrc offError=%u\n", pszSrcFile, rc, offError), rc);
|
---|
2571 | AssertMsgReturn(RTFS_IS_FILE(ObjInfo.Attr.fMode), ("%#x - %s\n", ObjInfo.Attr.fMode, pszSrcFile), VERR_NOT_A_FILE);
|
---|
2572 |
|
---|
2573 | /*
|
---|
2574 | * Create a file object for it.
|
---|
2575 | */
|
---|
2576 | size_t const cbSrcFile = strlen(pszSrcFile) + 1;
|
---|
2577 | PRTFSISOMAKERFILE pFile;
|
---|
2578 | rc = rtFsIsoMakerAddUnnamedFileWorker(pThis, &ObjInfo, cbSrcFile, &pFile);
|
---|
2579 | if (RT_SUCCESS(rc))
|
---|
2580 | {
|
---|
2581 | pFile->enmSrcType = RTFSISOMAKERSRCTYPE_PATH;
|
---|
2582 | pFile->u.pszSrcPath = (char *)memcpy(pFile + 1, pszSrcFile, cbSrcFile);
|
---|
2583 |
|
---|
2584 | *pidxObj = pFile->Core.idxObj;
|
---|
2585 | }
|
---|
2586 | return rc;
|
---|
2587 | }
|
---|
2588 |
|
---|
2589 |
|
---|
2590 | /**
|
---|
2591 | * Adds an unnamed file to the image that's backed by a VFS file.
|
---|
2592 | *
|
---|
2593 | * The file must explictly be entered into the desired namespaces.
|
---|
2594 | *
|
---|
2595 | * @returns IPRT status code
|
---|
2596 | * @param hIsoMaker The ISO maker handle.
|
---|
2597 | * @param hVfsFileSrc The source file handle.
|
---|
2598 | * @param pidxObj Where to return the configuration index of the
|
---|
2599 | * directory.
|
---|
2600 | * @sa RTFsIsoMakerAddUnnamedFileWithSrcPath, RTFsIsoMakerObjSetPath
|
---|
2601 | */
|
---|
2602 | RTDECL(int) RTFsIsoMakerAddUnnamedFileWithVfsFile(RTFSISOMAKER hIsoMaker, RTVFSFILE hVfsFileSrc, uint32_t *pidxObj)
|
---|
2603 | {
|
---|
2604 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2605 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2606 | AssertPtrReturn(pidxObj, VERR_INVALID_POINTER);
|
---|
2607 | *pidxObj = UINT32_MAX;
|
---|
2608 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
2609 |
|
---|
2610 | /*
|
---|
2611 | * Get the VFS file info. This implicitly validates the handle.
|
---|
2612 | */
|
---|
2613 | RTFSOBJINFO ObjInfo;
|
---|
2614 | int rc = RTVfsFileQueryInfo(hVfsFileSrc, &ObjInfo, RTFSOBJATTRADD_UNIX);
|
---|
2615 | AssertMsgRCReturn(rc, ("RTVfsFileQueryInfo(%p) -> %Rrc\n", hVfsFileSrc, rc), rc);
|
---|
2616 |
|
---|
2617 | /*
|
---|
2618 | * Retain a reference to the file.
|
---|
2619 | */
|
---|
2620 | uint32_t cRefs = RTVfsFileRetain(hVfsFileSrc);
|
---|
2621 | AssertReturn(cRefs != UINT32_MAX, VERR_INVALID_HANDLE);
|
---|
2622 |
|
---|
2623 | /*
|
---|
2624 | * Create a file object for it.
|
---|
2625 | */
|
---|
2626 | PRTFSISOMAKERFILE pFile;
|
---|
2627 | rc = rtFsIsoMakerAddUnnamedFileWorker(pThis, &ObjInfo, 0, &pFile);
|
---|
2628 | if (RT_SUCCESS(rc))
|
---|
2629 | {
|
---|
2630 | pFile->enmSrcType = RTFSISOMAKERSRCTYPE_VFS_FILE;
|
---|
2631 | pFile->u.hVfsFile = hVfsFileSrc;
|
---|
2632 |
|
---|
2633 | *pidxObj = pFile->Core.idxObj;
|
---|
2634 | }
|
---|
2635 | else
|
---|
2636 | RTVfsFileRelease(hVfsFileSrc);
|
---|
2637 | return rc;
|
---|
2638 | }
|
---|
2639 |
|
---|
2640 |
|
---|
2641 | /**
|
---|
2642 | * Adds a file that's backed by a host file to the image in all namespaces and
|
---|
2643 | * with attributes taken from the source file.
|
---|
2644 | *
|
---|
2645 | * @returns IPRT status code
|
---|
2646 | * @param hIsoMaker The ISO maker handle.
|
---|
2647 | * @param pszFile The path to the file in the image.
|
---|
2648 | * @param pszSrcFile The source file path. VFS chain spec allowed.
|
---|
2649 | * @param pidxObj Where to return the configuration index of the file.
|
---|
2650 | * Optional
|
---|
2651 | * @sa RTFsIsoMakerAddFileWithVfsFile,
|
---|
2652 | * RTFsIsoMakerAddUnnamedFileWithSrcPath
|
---|
2653 | */
|
---|
2654 | RTDECL(int) RTFsIsoMakerAddFileWithSrcPath(RTFSISOMAKER hIsoMaker, const char *pszFile, const char *pszSrcFile, uint32_t *pidxObj)
|
---|
2655 | {
|
---|
2656 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2657 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2658 | AssertPtrReturn(pszFile, VERR_INVALID_POINTER);
|
---|
2659 | AssertReturn(RTPATH_IS_SLASH(*pszFile), VERR_INVALID_NAME);
|
---|
2660 |
|
---|
2661 | uint32_t idxObj;
|
---|
2662 | int rc = RTFsIsoMakerAddUnnamedFileWithSrcPath(hIsoMaker, pszSrcFile, &idxObj);
|
---|
2663 | if (RT_SUCCESS(rc))
|
---|
2664 | {
|
---|
2665 | rc = RTFsIsoMakerObjSetPath(hIsoMaker, idxObj, RTFSISOMAKER_NAMESPACE_ALL, pszFile);
|
---|
2666 | if (RT_SUCCESS(rc))
|
---|
2667 | {
|
---|
2668 | if (pidxObj)
|
---|
2669 | *pidxObj = idxObj;
|
---|
2670 | }
|
---|
2671 | else
|
---|
2672 | RTFsIsoMakerObjRemove(hIsoMaker, idxObj);
|
---|
2673 | }
|
---|
2674 | return rc;
|
---|
2675 | }
|
---|
2676 |
|
---|
2677 |
|
---|
2678 | /**
|
---|
2679 | * Adds a file that's backed by a VFS file to the image in all namespaces and
|
---|
2680 | * with attributes taken from the source file.
|
---|
2681 | *
|
---|
2682 | * @returns IPRT status code
|
---|
2683 | * @param hIsoMaker The ISO maker handle.
|
---|
2684 | * @param pszFile The path to the file in the image.
|
---|
2685 | * @param hVfsFileSrc The source file handle.
|
---|
2686 | * @param pidxObj Where to return the configuration index of the file.
|
---|
2687 | * Optional.
|
---|
2688 | * @sa RTFsIsoMakerAddUnnamedFileWithVfsFile,
|
---|
2689 | * RTFsIsoMakerAddFileWithSrcPath
|
---|
2690 | */
|
---|
2691 | RTDECL(int) RTFsIsoMakerAddFileWithVfsFile(RTFSISOMAKER hIsoMaker, const char *pszFile, RTVFSFILE hVfsFileSrc, uint32_t *pidxObj)
|
---|
2692 | {
|
---|
2693 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
2694 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
2695 | AssertPtrReturn(pszFile, VERR_INVALID_POINTER);
|
---|
2696 | AssertReturn(RTPATH_IS_SLASH(*pszFile), VERR_INVALID_NAME);
|
---|
2697 |
|
---|
2698 | uint32_t idxObj;
|
---|
2699 | int rc = RTFsIsoMakerAddUnnamedFileWithVfsFile(hIsoMaker, hVfsFileSrc, &idxObj);
|
---|
2700 | if (RT_SUCCESS(rc))
|
---|
2701 | {
|
---|
2702 | rc = RTFsIsoMakerObjSetPath(hIsoMaker, idxObj, RTFSISOMAKER_NAMESPACE_ALL, pszFile);
|
---|
2703 | if (RT_SUCCESS(rc))
|
---|
2704 | {
|
---|
2705 | if (pidxObj)
|
---|
2706 | *pidxObj = idxObj;
|
---|
2707 | }
|
---|
2708 | else
|
---|
2709 | RTFsIsoMakerObjRemove(hIsoMaker, idxObj);
|
---|
2710 | }
|
---|
2711 | return rc;
|
---|
2712 | }
|
---|
2713 |
|
---|
2714 |
|
---|
2715 |
|
---|
2716 |
|
---|
2717 |
|
---|
2718 | /*
|
---|
2719 | *
|
---|
2720 | * Image finalization.
|
---|
2721 | * Image finalization.
|
---|
2722 | * Image finalization.
|
---|
2723 | *
|
---|
2724 | */
|
---|
2725 |
|
---|
2726 |
|
---|
2727 | /**
|
---|
2728 | * Remove any orphaned object from the disk.
|
---|
2729 | *
|
---|
2730 | * @returns IPRT status code.
|
---|
2731 | * @param pThis The ISO maker instance.
|
---|
2732 | */
|
---|
2733 | static int rtFsIsoMakerFinalizeRemoveOrphans(PRTFSISOMAKERINT pThis)
|
---|
2734 | {
|
---|
2735 | for (;;)
|
---|
2736 | {
|
---|
2737 | uint32_t cRemoved = 0;
|
---|
2738 | PRTFSISOMAKEROBJ pCur;
|
---|
2739 | PRTFSISOMAKEROBJ pNext;
|
---|
2740 | RTListForEachSafe(&pThis->ObjectHead, pCur, pNext, RTFSISOMAKEROBJ, Entry)
|
---|
2741 | {
|
---|
2742 | if ( pCur->pPrimaryName
|
---|
2743 | || pCur->pJolietName
|
---|
2744 | || pCur->pUdfName
|
---|
2745 | || pCur->pHfsName
|
---|
2746 | || pCur->fNotOrphan)
|
---|
2747 | { /* likely */ }
|
---|
2748 | else
|
---|
2749 | {
|
---|
2750 | int rc = rtFsIsoMakerObjRemoveWorker(pThis, pCur);
|
---|
2751 | if (RT_SUCCESS(rc))
|
---|
2752 | cRemoved++;
|
---|
2753 | else
|
---|
2754 | return rc;
|
---|
2755 | }
|
---|
2756 | }
|
---|
2757 | if (!cRemoved)
|
---|
2758 | return VINF_SUCCESS;
|
---|
2759 | }
|
---|
2760 | }
|
---|
2761 |
|
---|
2762 |
|
---|
2763 | /**
|
---|
2764 | * Finalizes the El Torito boot stuff.
|
---|
2765 | *
|
---|
2766 | * This includes generating the boot catalog data and fixing the location of all
|
---|
2767 | * related image files.
|
---|
2768 | *
|
---|
2769 | * @returns IPRT status code.
|
---|
2770 | * @param pThis The ISO maker instance.
|
---|
2771 | * @param poffData The data offset (in/out).
|
---|
2772 | */
|
---|
2773 | static int rtFsIsoMakerFinalizeBootStuff(PRTFSISOMAKERINT pThis, uint64_t *poffData)
|
---|
2774 | {
|
---|
2775 | RT_NOREF(pThis, poffData);
|
---|
2776 | return VINF_SUCCESS;
|
---|
2777 | }
|
---|
2778 |
|
---|
2779 |
|
---|
2780 | /**
|
---|
2781 | * Gathers the dirs for an ISO-9660 namespace (e.g. primary or joliet).
|
---|
2782 | *
|
---|
2783 | * @param pNamespace The namespace.
|
---|
2784 | * @param pFinalizedDirs The finalized directory structure. The
|
---|
2785 | * FinalizedDirs will be worked here.
|
---|
2786 | */
|
---|
2787 | static void rtFsIsoMakerFinalizeGatherDirs(PRTFSISOMAKERNAMESPACE pNamespace, PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs)
|
---|
2788 | {
|
---|
2789 | RTListInit(&pFinalizedDirs->FinalizedDirs);
|
---|
2790 |
|
---|
2791 | /*
|
---|
2792 | * Enter the root directory (if we got one).
|
---|
2793 | */
|
---|
2794 | if (!pNamespace->pRoot)
|
---|
2795 | return;
|
---|
2796 | PRTFSISOMAKERNAMEDIR pCurDir = pNamespace->pRoot->pDir;
|
---|
2797 | RTListAppend(&pFinalizedDirs->FinalizedDirs, &pCurDir->FinalizedEntry);
|
---|
2798 | do
|
---|
2799 | {
|
---|
2800 | /*
|
---|
2801 | * Scan pCurDir and add directories. We don't need to sort anything
|
---|
2802 | * here because the directory is already in path table compatible order.
|
---|
2803 | */
|
---|
2804 | uint32_t cLeft = pCurDir->cChildren;
|
---|
2805 | PPRTFSISOMAKERNAME ppChild = pCurDir->papChildren;
|
---|
2806 | while (cLeft-- > 0)
|
---|
2807 | {
|
---|
2808 | PRTFSISOMAKERNAME pChild = *ppChild++;
|
---|
2809 | if (pChild->pDir)
|
---|
2810 | RTListAppend(&pFinalizedDirs->FinalizedDirs, &pChild->pDir->FinalizedEntry);
|
---|
2811 | }
|
---|
2812 |
|
---|
2813 | /*
|
---|
2814 | * Advance to the next directory.
|
---|
2815 | */
|
---|
2816 | pCurDir = RTListGetNext(&pFinalizedDirs->FinalizedDirs, pCurDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
2817 | } while (pCurDir);
|
---|
2818 | }
|
---|
2819 |
|
---|
2820 |
|
---|
2821 | /**
|
---|
2822 | * Finalizes a directory entry (i.e. namespace node).
|
---|
2823 | *
|
---|
2824 | * This calculates the directory record size.
|
---|
2825 | *
|
---|
2826 | * @returns IPRT status code.
|
---|
2827 | * @param pFinalizedDirs .
|
---|
2828 | * @param pName The directory entry to finalize.
|
---|
2829 | * @param offInDir The offset in the directory of this record.
|
---|
2830 | * @param uRootRockRidge This is the rock ridge level when
|
---|
2831 | * root, otherwise it's zero.
|
---|
2832 | */
|
---|
2833 | static int rtFsIsoMakerFinalizeIsoDirectoryEntry(PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs, PRTFSISOMAKERNAME pName,
|
---|
2834 | uint32_t offInDir, uint8_t uRootRockRidge)
|
---|
2835 | {
|
---|
2836 | /* Set directory and translation table offsets. (These are for
|
---|
2837 | helping generating data blocks later.) */
|
---|
2838 | pName->offDirRec = offInDir;
|
---|
2839 |
|
---|
2840 | /* Calculate the minimal directory record size. */
|
---|
2841 | size_t cbDirRec = RT_UOFFSETOF(ISO9660DIRREC, achFileId) + pName->cbNameInDirRec + !(pName->cbNameInDirRec & 1);
|
---|
2842 | AssertReturn(cbDirRec <= UINT8_MAX, VERR_FILENAME_TOO_LONG);
|
---|
2843 | pName->cbDirRec = (uint8_t)cbDirRec;
|
---|
2844 |
|
---|
2845 | /*
|
---|
2846 | * Calculate additional rock ridge stuff, if it doesn't all fit write it
|
---|
2847 | * to the spill file.
|
---|
2848 | */
|
---|
2849 | if (pFinalizedDirs->pRRSpillFile)
|
---|
2850 | {
|
---|
2851 | /** @todo rock ridge */
|
---|
2852 | RT_NOREF(uRootRockRidge);
|
---|
2853 | }
|
---|
2854 |
|
---|
2855 | return VINF_SUCCESS;
|
---|
2856 | }
|
---|
2857 |
|
---|
2858 |
|
---|
2859 | /**
|
---|
2860 | * Finalizes either a primary and secondary ISO namespace.
|
---|
2861 | *
|
---|
2862 | * @returns IPRT status code
|
---|
2863 | * @param pThis The ISO maker instance.
|
---|
2864 | * @param pNamespace The namespace.
|
---|
2865 | * @param pFinalizedDirs The finalized directories structure for the
|
---|
2866 | * namespace.
|
---|
2867 | * @param poffData The data offset. We will allocate blocks for the
|
---|
2868 | * directories and the path tables.
|
---|
2869 | */
|
---|
2870 | static int rtFsIsoMakerFinalizeDirectoriesInIsoNamespace(PRTFSISOMAKERINT pThis, PRTFSISOMAKERNAMESPACE pNamespace,
|
---|
2871 | PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs, uint64_t *poffData)
|
---|
2872 | {
|
---|
2873 | /* The directory data comes first, so take down it's offset. */
|
---|
2874 | pFinalizedDirs->offDirs = *poffData;
|
---|
2875 |
|
---|
2876 | /*
|
---|
2877 | * Reset the rock ridge spill file (in case we allow finalizing more than once)
|
---|
2878 | * and create a new spill file if rock ridge is enabled. The directory entry
|
---|
2879 | * finalize function uses this as a clue that rock ridge is enabled.
|
---|
2880 | */
|
---|
2881 | if (pFinalizedDirs->pRRSpillFile)
|
---|
2882 | {
|
---|
2883 | rtFsIsoMakerObjRemoveWorker(pThis, &pFinalizedDirs->pRRSpillFile->Core);
|
---|
2884 | pFinalizedDirs->pRRSpillFile = NULL;
|
---|
2885 | }
|
---|
2886 | if (pNamespace->uRockRidgeLevel > 0)
|
---|
2887 | {
|
---|
2888 | /** @todo create rock ridge spill file to indicate rock ridge */
|
---|
2889 | }
|
---|
2890 |
|
---|
2891 | int rc;
|
---|
2892 | uint16_t idPathTable = 0;
|
---|
2893 | uint32_t cbPathTable = 0;
|
---|
2894 | if (pNamespace->pRoot)
|
---|
2895 | {
|
---|
2896 | /*
|
---|
2897 | * Precalc the directory record size for the root directory.
|
---|
2898 | */
|
---|
2899 | rc = rtFsIsoMakerFinalizeIsoDirectoryEntry(pFinalizedDirs, pNamespace->pRoot, 0 /*offInDir*/, pNamespace->uRockRidgeLevel);
|
---|
2900 | AssertRCReturn(rc, rc);
|
---|
2901 |
|
---|
2902 | /*
|
---|
2903 | * Work thru the directories.
|
---|
2904 | */
|
---|
2905 | PRTFSISOMAKERNAMEDIR pCurDir;
|
---|
2906 | RTListForEach(&pFinalizedDirs->FinalizedDirs, pCurDir, RTFSISOMAKERNAMEDIR, FinalizedEntry)
|
---|
2907 | {
|
---|
2908 | PRTFSISOMAKERNAME pCurName = pCurDir->pName;
|
---|
2909 | PRTFSISOMAKERNAME pParentName = pCurName->pParent ? pCurName->pParent : pCurName;
|
---|
2910 |
|
---|
2911 | /* We don't do anything special for the special '.' and '..' directory
|
---|
2912 | entries, instead we use the directory entry in the parent directory
|
---|
2913 | with a 1 byte name (00 or 01). */
|
---|
2914 | Assert(pCurName->cbDirRec != 0);
|
---|
2915 | Assert(pParentName->cbDirRec != 0);
|
---|
2916 | pCurDir->cbDirRec00 = pCurName->cbDirRec - pCurName->cbNameInDirRec - !(pCurName->cbNameInDirRec & 1) + 1;
|
---|
2917 | pCurDir->cbDirRec01 = pParentName->cbDirRec - pParentName->cbNameInDirRec - !(pParentName->cbNameInDirRec & 1) + 1;
|
---|
2918 |
|
---|
2919 | uint32_t offInDir = (uint32_t)pCurDir->cbDirRec00 + pCurDir->cbDirRec01;
|
---|
2920 |
|
---|
2921 | /* Finalize the directory entries. */
|
---|
2922 | uint32_t cbTransTbl = 0;
|
---|
2923 | uint32_t cLeft = pCurDir->cChildren;
|
---|
2924 | PPRTFSISOMAKERNAME ppChild = pCurDir->papChildren;
|
---|
2925 | while (cLeft-- > 0)
|
---|
2926 | {
|
---|
2927 | PRTFSISOMAKERNAME pChild = *ppChild++;
|
---|
2928 | rc = rtFsIsoMakerFinalizeIsoDirectoryEntry(pFinalizedDirs, pChild, offInDir, 0 /*uRootRockRidge*/);
|
---|
2929 | AssertRCReturn(rc, rc);
|
---|
2930 |
|
---|
2931 | offInDir += pChild->cbDirRec;
|
---|
2932 | if (pChild->cchTransNm)
|
---|
2933 | cbTransTbl += 2 /* type & space*/
|
---|
2934 | + RT_MAX(pChild->cchName, RTFSISOMAKER_TRANS_TBL_LEFT_PAD)
|
---|
2935 | + 1 /* tab */
|
---|
2936 | + pChild->cchTransNm
|
---|
2937 | + 1 /* newline */;
|
---|
2938 | }
|
---|
2939 |
|
---|
2940 | /* Set the directory size and location, advancing the data offset. */
|
---|
2941 | pCurDir->cbDir = offInDir;
|
---|
2942 | pCurDir->offDir = *poffData;
|
---|
2943 | *poffData += RT_ALIGN_32(offInDir, RTFSISOMAKER_SECTOR_SIZE);
|
---|
2944 |
|
---|
2945 | /* Set the translation table file size. */
|
---|
2946 | if (pCurDir->pTransTblFile)
|
---|
2947 | pCurDir->pTransTblFile->cbData = cbTransTbl;
|
---|
2948 |
|
---|
2949 | /* Add to the path table size calculation. */
|
---|
2950 | pCurDir->offPathTable = cbPathTable;
|
---|
2951 | pCurDir->idPathTable = idPathTable++;
|
---|
2952 | cbPathTable += RTFSISOMAKER_CALC_PATHREC_SIZE(pCurName->cbNameInDirRec);
|
---|
2953 | }
|
---|
2954 | }
|
---|
2955 |
|
---|
2956 | /*
|
---|
2957 | * Update the rock ridge spill file size.
|
---|
2958 | */
|
---|
2959 | if (pFinalizedDirs->pRRSpillFile)
|
---|
2960 | {
|
---|
2961 | rc = RTVfsFileGetSize(pFinalizedDirs->pRRSpillFile->u.hVfsFile, &pFinalizedDirs->pRRSpillFile->cbData);
|
---|
2962 | AssertRCReturn(rc, rc);
|
---|
2963 | pThis->cbData += pFinalizedDirs->pRRSpillFile->cbData;
|
---|
2964 | }
|
---|
2965 |
|
---|
2966 | /*
|
---|
2967 | * Calculate the path table offsets and move past them.
|
---|
2968 | */
|
---|
2969 | pFinalizedDirs->cbPathTable = cbPathTable;
|
---|
2970 | pFinalizedDirs->offPathTableL = *poffData;
|
---|
2971 | *poffData += RT_ALIGN_64(cbPathTable, RTFSISOMAKER_SECTOR_SIZE);
|
---|
2972 |
|
---|
2973 | pFinalizedDirs->offPathTableM = *poffData;
|
---|
2974 | *poffData += RT_ALIGN_64(cbPathTable, RTFSISOMAKER_SECTOR_SIZE);
|
---|
2975 |
|
---|
2976 | return VINF_SUCCESS;
|
---|
2977 | }
|
---|
2978 |
|
---|
2979 |
|
---|
2980 |
|
---|
2981 | /**
|
---|
2982 | * Finalizes directories and related stuff.
|
---|
2983 | *
|
---|
2984 | * This will not generate actual directory data, but calculate the size of it
|
---|
2985 | * once it's generated. Ditto for the path tables. The exception is the rock
|
---|
2986 | * ridge spill file, which will be generated in memory.
|
---|
2987 | *
|
---|
2988 | * @returns IPRT status code.
|
---|
2989 | * @param pThis The ISO maker instance.
|
---|
2990 | * @param poffData The data offset (in/out).
|
---|
2991 | */
|
---|
2992 | static int rtFsIsoMakerFinalizeDirectories(PRTFSISOMAKERINT pThis, uint64_t *poffData)
|
---|
2993 | {
|
---|
2994 | /*
|
---|
2995 | * Locate the directories, width first, inserting them in the finalized lists so
|
---|
2996 | * we can process them efficiently.
|
---|
2997 | */
|
---|
2998 | rtFsIsoMakerFinalizeGatherDirs(&pThis->PrimaryIso, &pThis->PrimaryIsoDirs);
|
---|
2999 | rtFsIsoMakerFinalizeGatherDirs(&pThis->Joliet, &pThis->JolietDirs);
|
---|
3000 |
|
---|
3001 | /*
|
---|
3002 | * Process the primary ISO and joliet namespaces.
|
---|
3003 | */
|
---|
3004 | int rc = rtFsIsoMakerFinalizeDirectoriesInIsoNamespace(pThis, &pThis->PrimaryIso, &pThis->PrimaryIsoDirs, poffData);
|
---|
3005 | if (RT_SUCCESS(rc))
|
---|
3006 | rc = rtFsIsoMakerFinalizeDirectoriesInIsoNamespace(pThis, &pThis->Joliet, &pThis->JolietDirs, poffData);
|
---|
3007 | if (RT_SUCCESS(rc))
|
---|
3008 | {
|
---|
3009 | /*
|
---|
3010 | * Later: UDF, HFS.
|
---|
3011 | */
|
---|
3012 | }
|
---|
3013 | return rc;
|
---|
3014 | }
|
---|
3015 |
|
---|
3016 |
|
---|
3017 | /**
|
---|
3018 | * Finalizes data allocations.
|
---|
3019 | *
|
---|
3020 | * This will set the RTFSISOMAKERFILE::offData members.
|
---|
3021 | *
|
---|
3022 | * @returns IPRT status code.
|
---|
3023 | * @param pThis The ISO maker instance.
|
---|
3024 | * @param poffData The data offset (in/out).
|
---|
3025 | */
|
---|
3026 | static int rtFsIsoMakerFinalizeData(PRTFSISOMAKERINT pThis, uint64_t *poffData)
|
---|
3027 | {
|
---|
3028 | pThis->offFirstFile = *poffData;
|
---|
3029 |
|
---|
3030 | /*
|
---|
3031 | * We currently does not have any ordering prioritizing implemented, so we
|
---|
3032 | * just store files in the order they were added.
|
---|
3033 | */
|
---|
3034 | PRTFSISOMAKEROBJ pCur;
|
---|
3035 | RTListForEach(&pThis->ObjectHead, pCur, RTFSISOMAKEROBJ, Entry)
|
---|
3036 | {
|
---|
3037 | if (pCur->enmType == RTFSISOMAKEROBJTYPE_FILE)
|
---|
3038 | {
|
---|
3039 | PRTFSISOMAKERFILE pCurFile = (PRTFSISOMAKERFILE)pCur;
|
---|
3040 | if (pCurFile->offData == UINT64_MAX)
|
---|
3041 | {
|
---|
3042 | pCurFile->offData = *poffData;
|
---|
3043 | *poffData += RT_ALIGN_64(pCurFile->cbData, RTFSISOMAKER_SECTOR_SIZE);
|
---|
3044 | RTListAppend(&pThis->FinalizedFiles, &pCurFile->FinalizedEntry);
|
---|
3045 | }
|
---|
3046 | }
|
---|
3047 | }
|
---|
3048 |
|
---|
3049 | return VINF_SUCCESS;
|
---|
3050 | }
|
---|
3051 |
|
---|
3052 |
|
---|
3053 | /**
|
---|
3054 | * Copies the given string as UTF-16 and pad unused space in the destination
|
---|
3055 | * with spaces.
|
---|
3056 | *
|
---|
3057 | * @param pachDst The destination field. C type is char, but real life
|
---|
3058 | * type is UTF-16 / UCS-2.
|
---|
3059 | * @param cchDst The size of the destination field.
|
---|
3060 | * @param pszSrc The source string. NULL is treated like empty string.
|
---|
3061 | */
|
---|
3062 | static void rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(char *pachDst, size_t cchDst, const char *pszSrc)
|
---|
3063 | {
|
---|
3064 | size_t cwcSrc = 0;
|
---|
3065 | if (pszSrc)
|
---|
3066 | {
|
---|
3067 | RTUTF16 wszSrc[256];
|
---|
3068 | PRTUTF16 pwszSrc = wszSrc;
|
---|
3069 | int rc = RTStrToUtf16BigEx(pszSrc, RTSTR_MAX, &pwszSrc, RT_ELEMENTS(wszSrc), &cwcSrc);
|
---|
3070 | AssertRCStmt(rc, cwcSrc = 0);
|
---|
3071 |
|
---|
3072 | if (cwcSrc > cchDst / sizeof(RTUTF16))
|
---|
3073 | cwcSrc = cchDst / sizeof(RTUTF16);
|
---|
3074 | memcpy(pachDst, wszSrc, cwcSrc * sizeof(RTUTF16));
|
---|
3075 | }
|
---|
3076 |
|
---|
3077 | /* Space padding. Note! cchDst can be an odd number. */
|
---|
3078 | size_t cchWritten = cwcSrc * sizeof(RTUTF16);
|
---|
3079 | if (cchWritten < cchDst)
|
---|
3080 | {
|
---|
3081 | while (cchWritten + 2 <= cchDst)
|
---|
3082 | {
|
---|
3083 | pachDst[cchWritten++] = '\0';
|
---|
3084 | pachDst[cchWritten++] = ' ';
|
---|
3085 | }
|
---|
3086 | if (cchWritten < cchDst)
|
---|
3087 | pachDst[cchWritten] = '\0';
|
---|
3088 | }
|
---|
3089 | }
|
---|
3090 |
|
---|
3091 |
|
---|
3092 | /**
|
---|
3093 | * Copies the given string and pad unused space in the destination with spaces.
|
---|
3094 | *
|
---|
3095 | * @param pachDst The destination field.
|
---|
3096 | * @param cchDst The size of the destination field.
|
---|
3097 | * @param pszSrc The source string. NULL is treated like empty string.
|
---|
3098 | */
|
---|
3099 | static void rtFsIsoMakerFinalizeCopyAndSpacePad(char *pachDst, size_t cchDst, const char *pszSrc)
|
---|
3100 | {
|
---|
3101 | size_t cchSrc;
|
---|
3102 | if (!pszSrc)
|
---|
3103 | cchSrc = 0;
|
---|
3104 | else
|
---|
3105 | {
|
---|
3106 | cchSrc = strlen(pszSrc);
|
---|
3107 | if (cchSrc > cchDst)
|
---|
3108 | cchSrc = cchDst;
|
---|
3109 | memcpy(pachDst, pszSrc, cchSrc);
|
---|
3110 | }
|
---|
3111 | if (cchSrc < cchDst)
|
---|
3112 | memset(&pachDst[cchSrc], ' ', cchDst - cchSrc);
|
---|
3113 | }
|
---|
3114 |
|
---|
3115 |
|
---|
3116 | /**
|
---|
3117 | * Formats a timespec as an ISO-9660 ascii timestamp.
|
---|
3118 | *
|
---|
3119 | * @param pTime The timespec to format.
|
---|
3120 | * @param pIsoTs The ISO-9660 timestamp destination buffer.
|
---|
3121 | */
|
---|
3122 | static void rtFsIsoMakerTimespecToIso9660Timestamp(PCRTTIMESPEC pTime, PISO9660TIMESTAMP pIsoTs)
|
---|
3123 | {
|
---|
3124 | RTTIME Exploded;
|
---|
3125 | RTTimeExplode(&Exploded, pTime);
|
---|
3126 |
|
---|
3127 | char szTmp[64];
|
---|
3128 | #define FORMAT_FIELD(a_achDst, a_uSrc) \
|
---|
3129 | do { \
|
---|
3130 | RTStrFormatU32(szTmp, sizeof(szTmp), a_uSrc, 10, sizeof(a_achDst), sizeof(a_achDst), \
|
---|
3131 | RTSTR_F_ZEROPAD | RTSTR_F_WIDTH | RTSTR_F_PRECISION); \
|
---|
3132 | memcpy(a_achDst, szTmp, sizeof(a_achDst)); \
|
---|
3133 | } while (0)
|
---|
3134 | FORMAT_FIELD(pIsoTs->achYear, Exploded.i32Year);
|
---|
3135 | FORMAT_FIELD(pIsoTs->achMonth, Exploded.u8Month);
|
---|
3136 | FORMAT_FIELD(pIsoTs->achDay, Exploded.u8MonthDay);
|
---|
3137 | FORMAT_FIELD(pIsoTs->achHour, Exploded.u8Hour);
|
---|
3138 | FORMAT_FIELD(pIsoTs->achMinute, Exploded.u8Minute);
|
---|
3139 | FORMAT_FIELD(pIsoTs->achSecond, Exploded.u8Second);
|
---|
3140 | FORMAT_FIELD(pIsoTs->achCentisecond, Exploded.u32Nanosecond / RT_NS_10MS);
|
---|
3141 | #undef FORMAT_FIELD
|
---|
3142 | pIsoTs->offUtc = 0;
|
---|
3143 | }
|
---|
3144 |
|
---|
3145 | /**
|
---|
3146 | * Formats zero ISO-9660 ascii timestamp (treated as not specified).
|
---|
3147 | *
|
---|
3148 | * @param pIsoTs The ISO-9660 timestamp destination buffer.
|
---|
3149 | */
|
---|
3150 | static void rtFsIsoMakerZero9660Timestamp(PISO9660TIMESTAMP pIsoTs)
|
---|
3151 | {
|
---|
3152 | memset(pIsoTs, '0', RT_OFFSETOF(ISO9660TIMESTAMP, offUtc));
|
---|
3153 | pIsoTs->offUtc = 0;
|
---|
3154 | }
|
---|
3155 |
|
---|
3156 |
|
---|
3157 | /**
|
---|
3158 | * Formats a timespec as an ISO-9660 record timestamp.
|
---|
3159 | *
|
---|
3160 | * @param pTime The timespec to format.
|
---|
3161 | * @param pIsoTs The ISO-9660 timestamp destination buffer.
|
---|
3162 | */
|
---|
3163 | static void rtFsIsoMakerTimespecToIso9660RecTimestamp(PCRTTIMESPEC pTime, PISO9660RECTIMESTAMP pIsoRecTs)
|
---|
3164 | {
|
---|
3165 | RTTIME Exploded;
|
---|
3166 | RTTimeExplode(&Exploded, pTime);
|
---|
3167 |
|
---|
3168 | pIsoRecTs->bYear = Exploded.i32Year >= 1900 ? Exploded.i32Year - 1900 : 0;
|
---|
3169 | pIsoRecTs->bMonth = Exploded.u8Month;
|
---|
3170 | pIsoRecTs->bDay = Exploded.u8MonthDay;
|
---|
3171 | pIsoRecTs->bHour = Exploded.u8Hour;
|
---|
3172 | pIsoRecTs->bMinute = Exploded.u8Minute;
|
---|
3173 | pIsoRecTs->bSecond = Exploded.u8Second;
|
---|
3174 | pIsoRecTs->offUtc = 0;
|
---|
3175 | }
|
---|
3176 |
|
---|
3177 |
|
---|
3178 | /**
|
---|
3179 | * Allocate and prepare the volume descriptors.
|
---|
3180 | *
|
---|
3181 | * What's not done here gets done later by rtFsIsoMakerFinalizeBootStuff, or at
|
---|
3182 | * teh very end of the finalization by rtFsIsoMakerFinalizeVolumeDescriptors.
|
---|
3183 | *
|
---|
3184 | * @returns IPRT status code
|
---|
3185 | * @param pThis The ISO maker instance.
|
---|
3186 | */
|
---|
3187 | static int rtFsIsoMakerFinalizePrepVolumeDescriptors(PRTFSISOMAKERINT pThis)
|
---|
3188 | {
|
---|
3189 | /*
|
---|
3190 | * Allocate and calc pointers.
|
---|
3191 | */
|
---|
3192 | RTMemFree(pThis->pbVolDescs);
|
---|
3193 | pThis->pbVolDescs = (uint8_t *)RTMemAllocZ(pThis->cVolumeDescriptors * RTFSISOMAKER_SECTOR_SIZE);
|
---|
3194 | AssertReturn(pThis->pbVolDescs, VERR_NO_MEMORY);
|
---|
3195 |
|
---|
3196 | uint32_t offVolDescs = 0;
|
---|
3197 |
|
---|
3198 | pThis->pPrimaryVolDesc = (PISO9660PRIMARYVOLDESC)&pThis->pbVolDescs[offVolDescs];
|
---|
3199 | offVolDescs += RTFSISOMAKER_SECTOR_SIZE;
|
---|
3200 |
|
---|
3201 | if (true)
|
---|
3202 | pThis->pElToritoDesc = NULL;
|
---|
3203 | else
|
---|
3204 | {
|
---|
3205 | pThis->pElToritoDesc = (PISO9660BOOTRECORD)&pThis->pbVolDescs[offVolDescs];
|
---|
3206 | offVolDescs += RTFSISOMAKER_SECTOR_SIZE;
|
---|
3207 | }
|
---|
3208 |
|
---|
3209 | if (!pThis->Joliet.uLevel)
|
---|
3210 | pThis->pJolietVolDesc = NULL;
|
---|
3211 | else
|
---|
3212 | {
|
---|
3213 | pThis->pJolietVolDesc = (PISO9660SUPVOLDESC)&pThis->pbVolDescs[offVolDescs];
|
---|
3214 | offVolDescs += RTFSISOMAKER_SECTOR_SIZE;
|
---|
3215 | }
|
---|
3216 |
|
---|
3217 | pThis->pTerminatorVolDesc = (PISO9660VOLDESCHDR)&pThis->pbVolDescs[offVolDescs];
|
---|
3218 | offVolDescs += RTFSISOMAKER_SECTOR_SIZE;
|
---|
3219 |
|
---|
3220 | if (pThis->Udf.uLevel > 0)
|
---|
3221 | {
|
---|
3222 | /** @todo UDF descriptors. */
|
---|
3223 | }
|
---|
3224 | AssertReturn(offVolDescs == pThis->cVolumeDescriptors * RTFSISOMAKER_SECTOR_SIZE, VERR_INTERNAL_ERROR_2);
|
---|
3225 |
|
---|
3226 | /*
|
---|
3227 | * This may be needed later.
|
---|
3228 | */
|
---|
3229 | char szImageCreationTime[42];
|
---|
3230 | RTTimeSpecToString(&pThis->ImageCreationTime, szImageCreationTime, sizeof(szImageCreationTime));
|
---|
3231 |
|
---|
3232 | /*
|
---|
3233 | * Initialize the primary descriptor.
|
---|
3234 | */
|
---|
3235 | PISO9660PRIMARYVOLDESC pPrimary = pThis->pPrimaryVolDesc;
|
---|
3236 |
|
---|
3237 | pPrimary->Hdr.bDescType = ISO9660VOLDESC_TYPE_PRIMARY;
|
---|
3238 | pPrimary->Hdr.bDescVersion = ISO9660PRIMARYVOLDESC_VERSION;
|
---|
3239 | memcpy(pPrimary->Hdr.achStdId, ISO9660VOLDESC_STD_ID, sizeof(pPrimary->Hdr.achStdId));
|
---|
3240 | //pPrimary->bPadding8 = 0;
|
---|
3241 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achSystemId, sizeof(pPrimary->achSystemId), pThis->PrimaryIso.pszSystemId);
|
---|
3242 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achVolumeId, sizeof(pPrimary->achVolumeId),
|
---|
3243 | pThis->PrimaryIso.pszVolumeId ? pThis->PrimaryIso.pszVolumeId : szImageCreationTime);
|
---|
3244 | //pPrimary->Unused73 = {0}
|
---|
3245 | //pPrimary->VolumeSpaceSize = later
|
---|
3246 | //pPrimary->abUnused89 = {0}
|
---|
3247 | pPrimary->cVolumesInSet.be = RT_H2BE_U16_C(1);
|
---|
3248 | pPrimary->cVolumesInSet.le = RT_H2LE_U16_C(1);
|
---|
3249 | pPrimary->VolumeSeqNo.be = RT_H2BE_U16_C(1);
|
---|
3250 | pPrimary->VolumeSeqNo.le = RT_H2LE_U16_C(1);
|
---|
3251 | pPrimary->cbLogicalBlock.be = RT_H2BE_U16_C(RTFSISOMAKER_SECTOR_SIZE);
|
---|
3252 | pPrimary->cbLogicalBlock.le = RT_H2LE_U16_C(RTFSISOMAKER_SECTOR_SIZE);
|
---|
3253 | //pPrimary->cbPathTable = later
|
---|
3254 | //pPrimary->offTypeLPathTable = later
|
---|
3255 | //pPrimary->offOptionalTypeLPathTable = {0}
|
---|
3256 | //pPrimary->offTypeMPathTable = later
|
---|
3257 | //pPrimary->offOptionalTypeMPathTable = {0}
|
---|
3258 | //pPrimary->RootDir = later
|
---|
3259 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achVolumeSetId, sizeof(pPrimary->achVolumeSetId),
|
---|
3260 | pThis->PrimaryIso.pszVolumeSetId);
|
---|
3261 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achPublisherId, sizeof(pPrimary->achPublisherId),
|
---|
3262 | pThis->PrimaryIso.pszPublisherId);
|
---|
3263 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achDataPreparerId, sizeof(pPrimary->achDataPreparerId),
|
---|
3264 | pThis->PrimaryIso.pszDataPreparerId);
|
---|
3265 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achApplicationId, sizeof(pPrimary->achApplicationId),
|
---|
3266 | pThis->PrimaryIso.pszApplicationId);
|
---|
3267 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achCopyrightFileId, sizeof(pPrimary->achCopyrightFileId),
|
---|
3268 | pThis->PrimaryIso.pszCopyrightFileId);
|
---|
3269 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achAbstractFileId, sizeof(pPrimary->achAbstractFileId),
|
---|
3270 | pThis->PrimaryIso.pszAbstractFileId);
|
---|
3271 | rtFsIsoMakerFinalizeCopyAndSpacePad(pPrimary->achBibliographicFileId, sizeof(pPrimary->achBibliographicFileId),
|
---|
3272 | pThis->PrimaryIso.pszBibliographicFileId);
|
---|
3273 | rtFsIsoMakerTimespecToIso9660Timestamp(&pThis->ImageCreationTime, &pPrimary->BirthTime);
|
---|
3274 | rtFsIsoMakerTimespecToIso9660Timestamp(&pThis->ImageCreationTime, &pPrimary->ModifyTime);
|
---|
3275 | rtFsIsoMakerZero9660Timestamp(&pPrimary->ExpireTime);
|
---|
3276 | rtFsIsoMakerZero9660Timestamp(&pPrimary->EffectiveTime);
|
---|
3277 | pPrimary->bFileStructureVersion = ISO9660_FILE_STRUCTURE_VERSION;
|
---|
3278 | //pPrimary->bReserved883 = 0;
|
---|
3279 | //RT_ZERO(pPrimary->abAppUse);
|
---|
3280 | //RT_ZERO(pPrimary->abReserved1396);
|
---|
3281 |
|
---|
3282 | /*
|
---|
3283 | * Initialize the joliet descriptor if included.
|
---|
3284 | */
|
---|
3285 | PISO9660SUPVOLDESC pJoliet = pThis->pJolietVolDesc;
|
---|
3286 | if (pJoliet)
|
---|
3287 | {
|
---|
3288 | pJoliet->Hdr.bDescType = ISO9660VOLDESC_TYPE_SUPPLEMENTARY;
|
---|
3289 | pJoliet->Hdr.bDescVersion = ISO9660SUPVOLDESC_VERSION;
|
---|
3290 | memcpy(pJoliet->Hdr.achStdId, ISO9660VOLDESC_STD_ID, sizeof(pJoliet->Hdr.achStdId));
|
---|
3291 | pJoliet->fVolumeFlags = ISO9660SUPVOLDESC_VOL_F_ESC_ONLY_REG;
|
---|
3292 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achSystemId, sizeof(pJoliet->achSystemId), pThis->Joliet.pszSystemId);
|
---|
3293 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achVolumeId, sizeof(pJoliet->achVolumeId),
|
---|
3294 | pThis->Joliet.pszVolumeId ? pThis->Joliet.pszVolumeId : szImageCreationTime);
|
---|
3295 | //pJoliet->Unused73 = {0}
|
---|
3296 | //pJoliet->VolumeSpaceSize = later
|
---|
3297 | memset(pJoliet->abEscapeSequences, ' ', sizeof(pJoliet->abEscapeSequences));
|
---|
3298 | pJoliet->abEscapeSequences[0] = ISO9660_JOLIET_ESC_SEQ_0;
|
---|
3299 | pJoliet->abEscapeSequences[1] = ISO9660_JOLIET_ESC_SEQ_1;
|
---|
3300 | pJoliet->abEscapeSequences[2] = pThis->Joliet.uLevel == 1 ? ISO9660_JOLIET_ESC_SEQ_2_LEVEL_1
|
---|
3301 | : pThis->Joliet.uLevel == 2 ? ISO9660_JOLIET_ESC_SEQ_2_LEVEL_2
|
---|
3302 | : ISO9660_JOLIET_ESC_SEQ_2_LEVEL_3;
|
---|
3303 | pJoliet->cVolumesInSet.be = RT_H2BE_U16_C(1);
|
---|
3304 | pJoliet->cVolumesInSet.le = RT_H2LE_U16_C(1);
|
---|
3305 | pJoliet->VolumeSeqNo.be = RT_H2BE_U16_C(1);
|
---|
3306 | pJoliet->VolumeSeqNo.le = RT_H2LE_U16_C(1);
|
---|
3307 | pJoliet->cbLogicalBlock.be = RT_H2BE_U16_C(RTFSISOMAKER_SECTOR_SIZE);
|
---|
3308 | pJoliet->cbLogicalBlock.le = RT_H2LE_U16_C(RTFSISOMAKER_SECTOR_SIZE);
|
---|
3309 | //pJoliet->cbPathTable = later
|
---|
3310 | //pJoliet->offTypeLPathTable = later
|
---|
3311 | //pJoliet->offOptionalTypeLPathTable = {0}
|
---|
3312 | //pJoliet->offTypeMPathTable = later
|
---|
3313 | //pJoliet->offOptionalTypeMPathTable = {0}
|
---|
3314 | //pJoliet->RootDir = later
|
---|
3315 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achVolumeSetId, sizeof(pJoliet->achVolumeSetId),
|
---|
3316 | pThis->Joliet.pszVolumeSetId);
|
---|
3317 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achPublisherId, sizeof(pJoliet->achPublisherId),
|
---|
3318 | pThis->Joliet.pszPublisherId);
|
---|
3319 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achDataPreparerId, sizeof(pJoliet->achDataPreparerId),
|
---|
3320 | pThis->Joliet.pszDataPreparerId);
|
---|
3321 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achApplicationId, sizeof(pJoliet->achApplicationId),
|
---|
3322 | pThis->Joliet.pszApplicationId);
|
---|
3323 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achCopyrightFileId, sizeof(pJoliet->achCopyrightFileId),
|
---|
3324 | pThis->Joliet.pszCopyrightFileId);
|
---|
3325 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achAbstractFileId, sizeof(pJoliet->achAbstractFileId),
|
---|
3326 | pThis->Joliet.pszAbstractFileId);
|
---|
3327 | rtFsIsoMakerFinalizeCopyAsUtf16BigAndSpacePad(pJoliet->achBibliographicFileId, sizeof(pJoliet->achBibliographicFileId),
|
---|
3328 | pThis->Joliet.pszBibliographicFileId);
|
---|
3329 | rtFsIsoMakerTimespecToIso9660Timestamp(&pThis->ImageCreationTime, &pJoliet->BirthTime);
|
---|
3330 | rtFsIsoMakerTimespecToIso9660Timestamp(&pThis->ImageCreationTime, &pJoliet->ModifyTime);
|
---|
3331 | rtFsIsoMakerZero9660Timestamp(&pJoliet->ExpireTime);
|
---|
3332 | rtFsIsoMakerZero9660Timestamp(&pJoliet->EffectiveTime);
|
---|
3333 | pJoliet->bFileStructureVersion = ISO9660_FILE_STRUCTURE_VERSION;
|
---|
3334 | //pJoliet->bReserved883 = 0;
|
---|
3335 | //RT_ZERO(pJoliet->abAppUse);
|
---|
3336 | //RT_ZERO(pJoliet->abReserved1396);
|
---|
3337 | }
|
---|
3338 |
|
---|
3339 | /*
|
---|
3340 | * The ISO-9660 terminator descriptor.
|
---|
3341 | */
|
---|
3342 | pThis->pTerminatorVolDesc->bDescType = ISO9660VOLDESC_TYPE_TERMINATOR;
|
---|
3343 | pThis->pTerminatorVolDesc->bDescVersion = 1;
|
---|
3344 | memcpy(pThis->pTerminatorVolDesc->achStdId, ISO9660VOLDESC_STD_ID, sizeof(pThis->pTerminatorVolDesc->achStdId));
|
---|
3345 |
|
---|
3346 | return VINF_SUCCESS;
|
---|
3347 | }
|
---|
3348 |
|
---|
3349 |
|
---|
3350 | /**
|
---|
3351 | * Finalizes the volume descriptors.
|
---|
3352 | *
|
---|
3353 | * This will set the RTFSISOMAKERFILE::offData members.
|
---|
3354 | *
|
---|
3355 | * @returns IPRT status code.
|
---|
3356 | * @param pThis The ISO maker instance.
|
---|
3357 | */
|
---|
3358 | static int rtFsIsoMakerFinalizeVolumeDescriptors(PRTFSISOMAKERINT pThis)
|
---|
3359 | {
|
---|
3360 | AssertReturn(pThis->pbVolDescs && pThis->pPrimaryVolDesc && pThis->pTerminatorVolDesc, VERR_INTERNAL_ERROR_3);
|
---|
3361 |
|
---|
3362 | /*
|
---|
3363 | * Primary descriptor.
|
---|
3364 | */
|
---|
3365 | PISO9660PRIMARYVOLDESC pPrimary = pThis->pPrimaryVolDesc;
|
---|
3366 |
|
---|
3367 | pPrimary->VolumeSpaceSize.be = RT_H2BE_U32(pThis->cbFinalizedImage / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3368 | pPrimary->VolumeSpaceSize.le = RT_H2LE_U32(pThis->cbFinalizedImage / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3369 | pPrimary->cbPathTable.be = RT_H2BE_U32(pThis->PrimaryIsoDirs.cbPathTable);
|
---|
3370 | pPrimary->cbPathTable.le = RT_H2LE_U32(pThis->PrimaryIsoDirs.cbPathTable);
|
---|
3371 | pPrimary->offTypeLPathTable = RT_H2LE_U32(pThis->PrimaryIsoDirs.offPathTableL);
|
---|
3372 | pPrimary->offTypeMPathTable = RT_H2BE_U32(pThis->PrimaryIsoDirs.offPathTableM);
|
---|
3373 | pPrimary->RootDir.DirRec.cbDirRec = sizeof(pPrimary->RootDir);
|
---|
3374 | pPrimary->RootDir.DirRec.cExtAttrBlocks = 0;
|
---|
3375 | pPrimary->RootDir.DirRec.offExtent.be = RT_H2BE_U32(pThis->PrimaryIso.pRoot->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3376 | pPrimary->RootDir.DirRec.offExtent.le = RT_H2LE_U32(pThis->PrimaryIso.pRoot->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3377 | pPrimary->RootDir.DirRec.cbData.be = RT_H2BE_U32(pThis->PrimaryIso.pRoot->pDir->cbDir);
|
---|
3378 | pPrimary->RootDir.DirRec.cbData.le = RT_H2LE_U32(pThis->PrimaryIso.pRoot->pDir->cbDir);
|
---|
3379 | rtFsIsoMakerTimespecToIso9660RecTimestamp(&pThis->PrimaryIso.pRoot->pObj->BirthTime, &pPrimary->RootDir.DirRec.RecTime);
|
---|
3380 | pPrimary->RootDir.DirRec.fFileFlags = ISO9660_FILE_FLAGS_DIRECTORY;
|
---|
3381 | pPrimary->RootDir.DirRec.bFileUnitSize = 0;
|
---|
3382 | pPrimary->RootDir.DirRec.bInterleaveGapSize = 0;
|
---|
3383 | pPrimary->RootDir.DirRec.VolumeSeqNo.be = RT_H2BE_U16_C(1);
|
---|
3384 | pPrimary->RootDir.DirRec.VolumeSeqNo.le = RT_H2LE_U16_C(1);
|
---|
3385 | pPrimary->RootDir.DirRec.bFileIdLength = 1;
|
---|
3386 | pPrimary->RootDir.DirRec.achFileId[0] = 0x00;
|
---|
3387 |
|
---|
3388 | /*
|
---|
3389 | * Initialize the joliet descriptor if included.
|
---|
3390 | */
|
---|
3391 | PISO9660SUPVOLDESC pJoliet = pThis->pJolietVolDesc;
|
---|
3392 | if (pJoliet)
|
---|
3393 | {
|
---|
3394 | pJoliet->VolumeSpaceSize = pPrimary->VolumeSpaceSize;
|
---|
3395 | pJoliet->cbPathTable.be = RT_H2BE_U32(pThis->JolietDirs.cbPathTable);
|
---|
3396 | pJoliet->cbPathTable.le = RT_H2LE_U32(pThis->JolietDirs.cbPathTable);
|
---|
3397 | pJoliet->offTypeLPathTable = RT_H2LE_U32(pThis->JolietDirs.offPathTableL);
|
---|
3398 | pJoliet->offTypeMPathTable = RT_H2BE_U32(pThis->JolietDirs.offPathTableM);
|
---|
3399 | pJoliet->RootDir.DirRec.cbDirRec = sizeof(pJoliet->RootDir);
|
---|
3400 | pJoliet->RootDir.DirRec.cExtAttrBlocks = 0;
|
---|
3401 | pJoliet->RootDir.DirRec.offExtent.be = RT_H2BE_U32(pThis->Joliet.pRoot->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3402 | pJoliet->RootDir.DirRec.offExtent.le = RT_H2LE_U32(pThis->Joliet.pRoot->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3403 | pJoliet->RootDir.DirRec.cbData.be = RT_H2BE_U32(pThis->Joliet.pRoot->pDir->cbDir);
|
---|
3404 | pJoliet->RootDir.DirRec.cbData.le = RT_H2LE_U32(pThis->Joliet.pRoot->pDir->cbDir);
|
---|
3405 | rtFsIsoMakerTimespecToIso9660RecTimestamp(&pThis->Joliet.pRoot->pObj->BirthTime, &pJoliet->RootDir.DirRec.RecTime);
|
---|
3406 | pJoliet->RootDir.DirRec.fFileFlags = ISO9660_FILE_FLAGS_DIRECTORY;
|
---|
3407 | pJoliet->RootDir.DirRec.bFileUnitSize = 0;
|
---|
3408 | pJoliet->RootDir.DirRec.bInterleaveGapSize = 0;
|
---|
3409 | pJoliet->RootDir.DirRec.VolumeSeqNo.be = RT_H2BE_U16_C(1);
|
---|
3410 | pJoliet->RootDir.DirRec.VolumeSeqNo.le = RT_H2LE_U16_C(1);
|
---|
3411 | pJoliet->RootDir.DirRec.bFileIdLength = 1;
|
---|
3412 | pJoliet->RootDir.DirRec.achFileId[0] = 0x00;
|
---|
3413 | }
|
---|
3414 |
|
---|
3415 | return VINF_SUCCESS;
|
---|
3416 | }
|
---|
3417 |
|
---|
3418 |
|
---|
3419 | /**
|
---|
3420 | * Finalizes the image.
|
---|
3421 | *
|
---|
3422 | * @returns IPRT status code.
|
---|
3423 | * @param hIsoMaker The ISO maker handle.
|
---|
3424 | */
|
---|
3425 | RTDECL(int) RTFsIsoMakerFinalize(RTFSISOMAKER hIsoMaker)
|
---|
3426 | {
|
---|
3427 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
3428 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
3429 | AssertReturn(!pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
3430 |
|
---|
3431 | /*
|
---|
3432 | * Remove orphaned objects and allocate volume descriptors.
|
---|
3433 | */
|
---|
3434 | int rc = rtFsIsoMakerFinalizeRemoveOrphans(pThis);
|
---|
3435 | if (RT_FAILURE(rc))
|
---|
3436 | return rc;
|
---|
3437 | AssertReturn(pThis->cObjects > 0, VERR_NO_DATA);
|
---|
3438 | AssertReturn(pThis->PrimaryIso.pRoot || pThis->PrimaryIso.uLevel == 0, VERR_NO_DATA);
|
---|
3439 | AssertReturn(pThis->Joliet.pRoot || pThis->Joliet.uLevel == 0, VERR_NO_DATA);
|
---|
3440 |
|
---|
3441 | rc = rtFsIsoMakerFinalizePrepVolumeDescriptors(pThis);
|
---|
3442 | if (RT_FAILURE(rc))
|
---|
3443 | return rc;
|
---|
3444 |
|
---|
3445 | /*
|
---|
3446 | * If there is any boot related stuff to be included, it ends up right after
|
---|
3447 | * the descriptors.
|
---|
3448 | */
|
---|
3449 | uint64_t offData = _32K + pThis->cVolumeDescriptors * RTFSISOMAKER_SECTOR_SIZE;
|
---|
3450 | rc = rtFsIsoMakerFinalizeBootStuff(pThis, &offData);
|
---|
3451 | if (RT_SUCCESS(rc))
|
---|
3452 | {
|
---|
3453 | /*
|
---|
3454 | * Directories and path tables comes next.
|
---|
3455 | */
|
---|
3456 | rc = rtFsIsoMakerFinalizeDirectories(pThis, &offData);
|
---|
3457 | if (RT_SUCCESS(rc))
|
---|
3458 | {
|
---|
3459 | /*
|
---|
3460 | * Then we store the file data.
|
---|
3461 | */
|
---|
3462 | rc = rtFsIsoMakerFinalizeData(pThis, &offData);
|
---|
3463 | if (RT_SUCCESS(rc))
|
---|
3464 | {
|
---|
3465 | pThis->cbFinalizedImage = offData;
|
---|
3466 |
|
---|
3467 | /*
|
---|
3468 | * Finally, finalize the volume descriptors as they depend on some of the
|
---|
3469 | * block allocations done in the previous steps.
|
---|
3470 | */
|
---|
3471 | rc = rtFsIsoMakerFinalizeVolumeDescriptors(pThis);
|
---|
3472 | if (RT_SUCCESS(rc))
|
---|
3473 | {
|
---|
3474 | pThis->fFinalized = true;
|
---|
3475 | return VINF_SUCCESS;
|
---|
3476 | }
|
---|
3477 | }
|
---|
3478 | }
|
---|
3479 | }
|
---|
3480 | return rc;
|
---|
3481 | }
|
---|
3482 |
|
---|
3483 |
|
---|
3484 |
|
---|
3485 |
|
---|
3486 |
|
---|
3487 | /*
|
---|
3488 | *
|
---|
3489 | * Image I/O.
|
---|
3490 | * Image I/O.
|
---|
3491 | * Image I/O.
|
---|
3492 | *
|
---|
3493 | */
|
---|
3494 |
|
---|
3495 | /**
|
---|
3496 | * @interface_method_impl{RTVFSOBJOPS,pfnClose}
|
---|
3497 | */
|
---|
3498 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Close(void *pvThis)
|
---|
3499 | {
|
---|
3500 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
3501 |
|
---|
3502 | RTFsIsoMakerRelease(pThis->pIsoMaker);
|
---|
3503 | pThis->pIsoMaker = NULL;
|
---|
3504 |
|
---|
3505 | return VINF_SUCCESS;
|
---|
3506 | }
|
---|
3507 |
|
---|
3508 |
|
---|
3509 | /**
|
---|
3510 | * @interface_method_impl{RTVFSOBJOPS,pfnQueryInfo}
|
---|
3511 | */
|
---|
3512 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_QueryInfo(void *pvThis, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAddAttr)
|
---|
3513 | {
|
---|
3514 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
3515 | PRTFSISOMAKERINT pIsoMaker = pThis->pIsoMaker;
|
---|
3516 |
|
---|
3517 |
|
---|
3518 | pObjInfo->cbObject = pIsoMaker->cbFinalizedImage;
|
---|
3519 | pObjInfo->cbAllocated = pIsoMaker->cbFinalizedImage;
|
---|
3520 | pObjInfo->AccessTime = pIsoMaker->ImageCreationTime;
|
---|
3521 | pObjInfo->ModificationTime = pIsoMaker->ImageCreationTime;
|
---|
3522 | pObjInfo->ChangeTime = pIsoMaker->ImageCreationTime;
|
---|
3523 | pObjInfo->BirthTime = pIsoMaker->ImageCreationTime;
|
---|
3524 | pObjInfo->Attr.fMode = 0444 | RTFS_TYPE_FILE | RTFS_DOS_READONLY;
|
---|
3525 |
|
---|
3526 | switch (enmAddAttr)
|
---|
3527 | {
|
---|
3528 | case RTFSOBJATTRADD_NOTHING:
|
---|
3529 | enmAddAttr = RTFSOBJATTRADD_UNIX;
|
---|
3530 | /* fall thru */
|
---|
3531 | case RTFSOBJATTRADD_UNIX:
|
---|
3532 | pObjInfo->Attr.u.Unix.uid = NIL_RTUID;
|
---|
3533 | pObjInfo->Attr.u.Unix.gid = NIL_RTGID;
|
---|
3534 | pObjInfo->Attr.u.Unix.cHardlinks = 1;
|
---|
3535 | pObjInfo->Attr.u.Unix.INodeIdDevice = 0;
|
---|
3536 | pObjInfo->Attr.u.Unix.INodeId = 0;
|
---|
3537 | pObjInfo->Attr.u.Unix.fFlags = 0;
|
---|
3538 | pObjInfo->Attr.u.Unix.GenerationId = 0;
|
---|
3539 | pObjInfo->Attr.u.Unix.Device = 0;
|
---|
3540 | break;
|
---|
3541 |
|
---|
3542 | case RTFSOBJATTRADD_UNIX_OWNER:
|
---|
3543 | pObjInfo->Attr.u.UnixOwner.uid = NIL_RTUID;
|
---|
3544 | pObjInfo->Attr.u.UnixOwner.szName[0] = '\0';
|
---|
3545 | break;
|
---|
3546 |
|
---|
3547 | case RTFSOBJATTRADD_UNIX_GROUP:
|
---|
3548 | pObjInfo->Attr.u.UnixGroup.gid = NIL_RTGID;
|
---|
3549 | pObjInfo->Attr.u.UnixGroup.szName[0] = '\0';
|
---|
3550 | break;
|
---|
3551 |
|
---|
3552 | case RTFSOBJATTRADD_EASIZE:
|
---|
3553 | pObjInfo->Attr.u.EASize.cb = 0;
|
---|
3554 | break;
|
---|
3555 |
|
---|
3556 | default:
|
---|
3557 | AssertFailedReturn(VERR_INVALID_PARAMETER);
|
---|
3558 | }
|
---|
3559 | pObjInfo->Attr.enmAdditional = enmAddAttr;
|
---|
3560 |
|
---|
3561 | return VINF_SUCCESS;
|
---|
3562 | }
|
---|
3563 |
|
---|
3564 |
|
---|
3565 | /**
|
---|
3566 | * Produces the content of a TRANS.TBL file as a memory file.
|
---|
3567 | *
|
---|
3568 | * @returns IPRT status code.
|
---|
3569 | * @param pThis The ISO maker output file instance. The file is
|
---|
3570 | * returned as pThis->hVfsSrcFile.
|
---|
3571 | * @param pFile The TRANS.TBL file.
|
---|
3572 | */
|
---|
3573 | static int rtFsIsoMakerOutFile_ProduceTransTbl(PRTFSISOMAKEROUTPUTFILE pThis, PRTFSISOMAKERFILE pFile)
|
---|
3574 | {
|
---|
3575 | /*
|
---|
3576 | * Create memory file instance.
|
---|
3577 | */
|
---|
3578 | RTVFSFILE hVfsFile;
|
---|
3579 | int rc = RTVfsMemFileCreate(NIL_RTVFSIOSTREAM, pFile->cbData, &hVfsFile);
|
---|
3580 | AssertRCReturn(rc, rc);
|
---|
3581 |
|
---|
3582 | /*
|
---|
3583 | * Produce the file content.
|
---|
3584 | */
|
---|
3585 | PRTFSISOMAKERNAME *ppChild = pFile->u.pTransTblDir->pDir->papChildren;
|
---|
3586 | uint32_t cLeft = pFile->u.pTransTblDir->pDir->cChildren;
|
---|
3587 | while (cLeft-- > 0)
|
---|
3588 | {
|
---|
3589 | PRTFSISOMAKERNAME pChild = *ppChild++;
|
---|
3590 | if (pChild->pszTransNm)
|
---|
3591 | {
|
---|
3592 | /** @todo TRANS.TBL codeset, currently using UTF-8 which is probably not it.
|
---|
3593 | * However, nobody uses this stuff any more, so who cares. */
|
---|
3594 | char szEntry[RTFSISOMAKER_MAX_NAME_BUF * 2 + 128];
|
---|
3595 | size_t cchEntry = RTStrPrintf(szEntry, sizeof(szEntry), "%c %-*s\t%s\n", pChild->pDir ? 'D' : 'F',
|
---|
3596 | RTFSISOMAKER_TRANS_TBL_LEFT_PAD, pChild->szName, pChild->pszTransNm);
|
---|
3597 | rc = RTVfsFileWrite(hVfsFile, szEntry, cchEntry, NULL);
|
---|
3598 | if (RT_FAILURE(rc))
|
---|
3599 | {
|
---|
3600 | RTVfsFileRelease(hVfsFile);
|
---|
3601 | return rc;
|
---|
3602 | }
|
---|
3603 | }
|
---|
3604 | }
|
---|
3605 |
|
---|
3606 | /*
|
---|
3607 | * Check that the size matches our estimate.
|
---|
3608 | */
|
---|
3609 | uint64_t cbResult = 0;
|
---|
3610 | rc = RTVfsFileGetSize(hVfsFile, &cbResult);
|
---|
3611 | if (RT_SUCCESS(rc) && cbResult == pFile->cbData)
|
---|
3612 | {
|
---|
3613 | pThis->hVfsSrcFile = hVfsFile;
|
---|
3614 | return VINF_SUCCESS;
|
---|
3615 | }
|
---|
3616 |
|
---|
3617 | AssertMsgFailed(("rc=%Rrc, cbResult=%#RX64 cbData=%#RX64\n", rc, cbResult, pFile->cbData));
|
---|
3618 | RTVfsFileRelease(hVfsFile);
|
---|
3619 | return VERR_INTERNAL_ERROR_4;
|
---|
3620 | }
|
---|
3621 |
|
---|
3622 |
|
---|
3623 |
|
---|
3624 | /**
|
---|
3625 | * Reads file data.
|
---|
3626 | *
|
---|
3627 | * @returns IPRT status code
|
---|
3628 | * @param pThis The instance data for the VFS file. We use this to
|
---|
3629 | * keep hints about where we are and we which source
|
---|
3630 | * file we've opened/created.
|
---|
3631 | * @param pIsoMaker The ISO maker instance.
|
---|
3632 | * @param offUnsigned The ISO image byte offset of the requested data.
|
---|
3633 | * @param pbBuf The output buffer.
|
---|
3634 | * @param cbBuf How much to read.
|
---|
3635 | * @param pcbDone Where to return how much was read.
|
---|
3636 | */
|
---|
3637 | static int rtFsIsoMakerOutFile_ReadFileData(PRTFSISOMAKEROUTPUTFILE pThis, PRTFSISOMAKERINT pIsoMaker, uint64_t offUnsigned,
|
---|
3638 | uint8_t *pbBuf, size_t cbBuf, size_t *pcbDone)
|
---|
3639 | {
|
---|
3640 | *pcbDone = 0;
|
---|
3641 |
|
---|
3642 | /*
|
---|
3643 | * Figure out which file. We keep a hint in the instance.
|
---|
3644 | */
|
---|
3645 | uint64_t offInFile;
|
---|
3646 | PRTFSISOMAKERFILE pFile = pThis->pFileHint;
|
---|
3647 | if (!pFile)
|
---|
3648 | {
|
---|
3649 | pFile = RTListGetFirst(&pIsoMaker->FinalizedFiles, RTFSISOMAKERFILE, FinalizedEntry);
|
---|
3650 | AssertReturn(pFile, VERR_INTERNAL_ERROR_2);
|
---|
3651 | }
|
---|
3652 | if ((offInFile = offUnsigned - pFile->offData) < RT_ALIGN_64(pFile->cbData, RTFSISOMAKER_SECTOR_SIZE))
|
---|
3653 | { /* hit */ }
|
---|
3654 | else if (offUnsigned > pFile->offData)
|
---|
3655 | {
|
---|
3656 | /* Seek forwards. */
|
---|
3657 | do
|
---|
3658 | {
|
---|
3659 | pFile = RTListGetNext(&pIsoMaker->FinalizedFiles, pFile, RTFSISOMAKERFILE, FinalizedEntry);
|
---|
3660 | AssertReturn(pFile, VERR_INTERNAL_ERROR_3);
|
---|
3661 | } while ((offInFile = offUnsigned - pFile->offData) < RT_ALIGN_64(pFile->cbData, RTFSISOMAKER_SECTOR_SIZE));
|
---|
3662 | }
|
---|
3663 | else
|
---|
3664 | {
|
---|
3665 | /* Seek backwards. */
|
---|
3666 | do
|
---|
3667 | {
|
---|
3668 | pFile = RTListGetPrev(&pIsoMaker->FinalizedFiles, pFile, RTFSISOMAKERFILE, FinalizedEntry);
|
---|
3669 | AssertReturn(pFile, VERR_INTERNAL_ERROR_3);
|
---|
3670 | } while ((offInFile = offUnsigned - pFile->offData) < RT_ALIGN_64(pFile->cbData, RTFSISOMAKER_SECTOR_SIZE));
|
---|
3671 | }
|
---|
3672 |
|
---|
3673 | /*
|
---|
3674 | * Update the hint/current file.
|
---|
3675 | */
|
---|
3676 | if (pThis->pFileHint != pFile)
|
---|
3677 | {
|
---|
3678 | pThis->pFileHint = pFile;
|
---|
3679 | if (pThis->hVfsSrcFile != NIL_RTVFSFILE)
|
---|
3680 | {
|
---|
3681 | RTVfsFileRelease(pThis->hVfsSrcFile);
|
---|
3682 | pThis->hVfsSrcFile = NIL_RTVFSFILE;
|
---|
3683 | }
|
---|
3684 | }
|
---|
3685 |
|
---|
3686 | /*
|
---|
3687 | * Produce data bits according to the source type.
|
---|
3688 | */
|
---|
3689 | if (offInFile < pFile->cbData)
|
---|
3690 | {
|
---|
3691 | int rc;
|
---|
3692 | size_t cbToRead = RT_MIN(cbBuf, pFile->cbData - offInFile);
|
---|
3693 | switch (pFile->enmSrcType)
|
---|
3694 | {
|
---|
3695 | case RTFSISOMAKERSRCTYPE_PATH:
|
---|
3696 | if (pThis->hVfsSrcFile == NIL_RTVFSFILE)
|
---|
3697 | {
|
---|
3698 | rc = RTVfsChainOpenFile(pFile->u.pszSrcPath, RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_OPEN,
|
---|
3699 | &pThis->hVfsSrcFile, NULL, NULL);
|
---|
3700 | if (RT_FAILURE(rc))
|
---|
3701 | return rc;
|
---|
3702 | }
|
---|
3703 | rc = RTVfsFileReadAt(pThis->hVfsSrcFile, offInFile, pbBuf, cbToRead, NULL);
|
---|
3704 | break;
|
---|
3705 |
|
---|
3706 | case RTFSISOMAKERSRCTYPE_VFS_FILE:
|
---|
3707 | rc = RTVfsFileReadAt(pFile->u.hVfsFile, offInFile, pbBuf, cbToRead, NULL);
|
---|
3708 | break;
|
---|
3709 |
|
---|
3710 | case RTFSISOMAKERSRCTYPE_TRANS_TBL:
|
---|
3711 | if (pThis->hVfsSrcFile == NIL_RTVFSFILE)
|
---|
3712 | {
|
---|
3713 | rc = rtFsIsoMakerOutFile_ProduceTransTbl(pThis, pFile);
|
---|
3714 | if (RT_FAILURE(rc))
|
---|
3715 | return rc;
|
---|
3716 | }
|
---|
3717 | rc = RTVfsFileReadAt(pFile->u.hVfsFile, offInFile, pbBuf, cbToRead, NULL);
|
---|
3718 | break;
|
---|
3719 |
|
---|
3720 | default:
|
---|
3721 | AssertFailedReturn(VERR_INTERNAL_ERROR_5);
|
---|
3722 | }
|
---|
3723 | if (RT_FAILURE(rc))
|
---|
3724 | return rc;
|
---|
3725 | *pcbDone = cbToRead;
|
---|
3726 |
|
---|
3727 | /*
|
---|
3728 | * Check if we're into the zero padding at the end of the file now.
|
---|
3729 | */
|
---|
3730 | if ( cbToRead < cbBuf
|
---|
3731 | && offInFile + cbToRead == pFile->cbData)
|
---|
3732 | {
|
---|
3733 | cbBuf -= cbToRead;
|
---|
3734 | pbBuf += cbToRead;
|
---|
3735 | size_t cbZeros = RT_MIN(cbBuf, RTFSISOMAKER_SECTOR_SIZE - (pFile->cbData & RTFSISOMAKER_SECTOR_OFFSET_MASK));
|
---|
3736 | memset(pbBuf, 0, cbZeros);
|
---|
3737 | *pcbDone += cbZeros;
|
---|
3738 | }
|
---|
3739 | }
|
---|
3740 | else
|
---|
3741 | {
|
---|
3742 | size_t cbZeros = RT_MIN(cbBuf, RT_ALIGN_64(pFile->cbData, RTFSISOMAKER_SECTOR_SIZE) - offInFile);
|
---|
3743 | memset(pbBuf, 0, cbZeros);
|
---|
3744 | *pcbDone = cbZeros;
|
---|
3745 | }
|
---|
3746 | return VINF_SUCCESS;
|
---|
3747 | }
|
---|
3748 |
|
---|
3749 |
|
---|
3750 | /**
|
---|
3751 | * Generates ISO-9660 path table record into the specified buffer.
|
---|
3752 | *
|
---|
3753 | * @returns Number of bytes copied into the buffer.
|
---|
3754 | * @param pName The directory namespace node.
|
---|
3755 | * @param fUnicode Set if the name should be translated to big endian
|
---|
3756 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
3757 | * @param pbBuf The buffer. This is large enough to hold the path
|
---|
3758 | * record (use RTFSISOMAKER_CALC_PATHREC_SIZE) and a zero
|
---|
3759 | * RTUTF16 terminator if @a fUnicode is true.
|
---|
3760 | */
|
---|
3761 | static uint32_t rtFsIsoMakerOutFile_GeneratePathRec(PRTFSISOMAKERNAME pName, bool fUnicode, bool fLittleEndian, uint8_t *pbBuf)
|
---|
3762 | {
|
---|
3763 | PISO9660PATHREC pPathRec = (PISO9660PATHREC)pbBuf;
|
---|
3764 | pPathRec->cbDirId = pName->cbNameInDirRec;
|
---|
3765 | pPathRec->cbExtAttr = 0;
|
---|
3766 | if (fLittleEndian)
|
---|
3767 | {
|
---|
3768 | pPathRec->offExtent = RT_H2LE_U32(pName->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3769 | pPathRec->idParentRec = RT_H2LE_U16(pName->pParent ? pName->pParent->pDir->idPathTable : 0);
|
---|
3770 | }
|
---|
3771 | else
|
---|
3772 | {
|
---|
3773 | pPathRec->offExtent = RT_H2BE_U32(pName->pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3774 | pPathRec->idParentRec = RT_H2BE_U16(pName->pParent ? pName->pParent->pDir->idPathTable : 0);
|
---|
3775 | }
|
---|
3776 | if (!fUnicode)
|
---|
3777 | {
|
---|
3778 | memcpy(&pPathRec->achDirId[0], pName->szName, pName->cbNameInDirRec);
|
---|
3779 | if (pName->cbNameInDirRec & 1)
|
---|
3780 | pPathRec->achDirId[pName->cbNameInDirRec] = '\0';
|
---|
3781 | }
|
---|
3782 | else
|
---|
3783 | {
|
---|
3784 | /* Caller made sure there is space for a zero terminator character. */
|
---|
3785 | PRTUTF16 pwszTmp = (PRTUTF16)&pPathRec->achDirId[0];
|
---|
3786 | size_t cwcResult = 0;
|
---|
3787 | int rc = RTStrToUtf16BigEx(pName->szName, RTSTR_MAX, &pwszTmp, pName->cbNameInDirRec / sizeof(RTUTF16) + 1, &cwcResult);
|
---|
3788 | AssertRC(rc);
|
---|
3789 | Assert(cwcResult * sizeof(RTUTF16) == pName->cbNameInDirRec);
|
---|
3790 | }
|
---|
3791 | return RTFSISOMAKER_CALC_PATHREC_SIZE(pName->cbNameInDirRec);
|
---|
3792 | }
|
---|
3793 |
|
---|
3794 |
|
---|
3795 | /**
|
---|
3796 | * Deals with situations where the destination buffer doesn't cover the whole
|
---|
3797 | * path table record.
|
---|
3798 | *
|
---|
3799 | * @returns Number of bytes copied into the buffer.
|
---|
3800 | * @param pName The directory namespace node.
|
---|
3801 | * @param fUnicode Set if the name should be translated to big endian
|
---|
3802 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
3803 | * @param offInRec The offset into the path table record.
|
---|
3804 | * @param pbBuf The buffer.
|
---|
3805 | * @param cbBuf The buffer size.
|
---|
3806 | */
|
---|
3807 | static uint32_t rtFsIsoMakerOutFile_GeneratePathRecPartial(PRTFSISOMAKERNAME pName, bool fUnicode, bool fLittleEndian,
|
---|
3808 | uint32_t offInRec, uint8_t *pbBuf, size_t cbBuf)
|
---|
3809 | {
|
---|
3810 | uint8_t abTmpRec[256];
|
---|
3811 | size_t cbToCopy = rtFsIsoMakerOutFile_GeneratePathRec(pName, fUnicode, fLittleEndian, abTmpRec);
|
---|
3812 | cbToCopy = RT_MIN(cbBuf, cbToCopy - offInRec);
|
---|
3813 | memcpy(pbBuf, &abTmpRec[offInRec], cbToCopy);
|
---|
3814 | return (uint32_t)cbToCopy;
|
---|
3815 | }
|
---|
3816 |
|
---|
3817 |
|
---|
3818 | /**
|
---|
3819 | * Generate path table records.
|
---|
3820 | *
|
---|
3821 | * This will generate record up to the end of the table. However, it will not
|
---|
3822 | * supply the zero padding in the last sector, the caller is expected to take
|
---|
3823 | * care of that.
|
---|
3824 | *
|
---|
3825 | * @returns Number of bytes written to the buffer.
|
---|
3826 | * @param ppDirHint Pointer to the directory hint for the namespace.
|
---|
3827 | * @param pFinalizedDirs The finalized directory data for the namespace.
|
---|
3828 | * @param fUnicode Set if the name should be translated to big endian
|
---|
3829 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
3830 | * @param fLittleEndian Set if we're generating little endian records, clear
|
---|
3831 | * if big endian records.
|
---|
3832 | * @param offInTable Offset into the path table.
|
---|
3833 | * @param pbBuf The output buffer.
|
---|
3834 | * @param cbBuf The buffer size.
|
---|
3835 | */
|
---|
3836 | static size_t rtFsIsoMakerOutFile_ReadPathTable(PRTFSISOMAKERNAMEDIR *ppDirHint, PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs,
|
---|
3837 | bool fUnicode, bool fLittleEndian, uint32_t offInTable,
|
---|
3838 | uint8_t *pbBuf, size_t cbBuf)
|
---|
3839 | {
|
---|
3840 | /*
|
---|
3841 | * Figure out which directory to start with. We keep a hint in the instance.
|
---|
3842 | */
|
---|
3843 | PRTFSISOMAKERNAMEDIR pDir = *ppDirHint;
|
---|
3844 | if (!pDir)
|
---|
3845 | {
|
---|
3846 | pDir = RTListGetFirst(&pFinalizedDirs->FinalizedDirs, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
3847 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
3848 | }
|
---|
3849 | if (offInTable - pDir->offPathTable < RTFSISOMAKER_CALC_PATHREC_SIZE(pDir->pName->cbNameInDirRec))
|
---|
3850 | { /* hit */ }
|
---|
3851 | /* Seek forwards: */
|
---|
3852 | else if (offInTable > pDir->offPathTable)
|
---|
3853 | do
|
---|
3854 | {
|
---|
3855 | pDir = RTListGetNext(&pFinalizedDirs->FinalizedDirs, pDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
3856 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
3857 | } while (offInTable - pDir->offPathTable < RTFSISOMAKER_CALC_PATHREC_SIZE(pDir->pName->cbNameInDirRec));
|
---|
3858 | /* Back to the start: */
|
---|
3859 | else if (offInTable == 0)
|
---|
3860 | {
|
---|
3861 | pDir = RTListGetFirst(&pFinalizedDirs->FinalizedDirs, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
3862 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
3863 | }
|
---|
3864 | /* Seek backwards: */
|
---|
3865 | else
|
---|
3866 | do
|
---|
3867 | {
|
---|
3868 | pDir = RTListGetPrev(&pFinalizedDirs->FinalizedDirs, pDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
3869 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
3870 | } while (offInTable - pDir->offPathTable < RTFSISOMAKER_CALC_PATHREC_SIZE(pDir->pName->cbNameInDirRec));
|
---|
3871 |
|
---|
3872 | /*
|
---|
3873 | * Generate content.
|
---|
3874 | */
|
---|
3875 | size_t cbDone = 0;
|
---|
3876 | while ( cbBuf > 0
|
---|
3877 | && pDir)
|
---|
3878 | {
|
---|
3879 | PRTFSISOMAKERNAME pName = pDir->pName;
|
---|
3880 | uint8_t cbRec = RTFSISOMAKER_CALC_PATHREC_SIZE(pName->cbNameInDirRec);
|
---|
3881 | uint32_t cbCopied;
|
---|
3882 | if ( offInTable == pDir->offPathTable
|
---|
3883 | && cbBuf >= cbRec + fUnicode * 2U)
|
---|
3884 | cbCopied = rtFsIsoMakerOutFile_GeneratePathRec(pName, fUnicode, fLittleEndian, pbBuf);
|
---|
3885 | else
|
---|
3886 | cbCopied = rtFsIsoMakerOutFile_GeneratePathRecPartial(pName, fUnicode, fLittleEndian,
|
---|
3887 | offInTable - pDir->offPathTable, pbBuf, cbBuf);
|
---|
3888 | cbDone += cbCopied;
|
---|
3889 | offInTable += cbCopied;
|
---|
3890 | pbBuf += cbCopied;
|
---|
3891 | cbBuf -= cbCopied;
|
---|
3892 | pDir = RTListGetNext(&pFinalizedDirs->FinalizedDirs, pDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
3893 | }
|
---|
3894 |
|
---|
3895 | /*
|
---|
3896 | * Update the hint.
|
---|
3897 | */
|
---|
3898 | *ppDirHint = pDir;
|
---|
3899 |
|
---|
3900 | return cbDone;
|
---|
3901 | }
|
---|
3902 |
|
---|
3903 |
|
---|
3904 | /**
|
---|
3905 | * Generates ISO-9660 directory record into the specified buffer.
|
---|
3906 | *
|
---|
3907 | * @returns Number of bytes copied into the buffer.
|
---|
3908 | * @param pName The namespace node.
|
---|
3909 | * @param fUnicode Set if the name should be translated to big endian
|
---|
3910 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
3911 | * @param pbBuf The buffer. This is at least pName->cbDirRec bytes big.
|
---|
3912 | */
|
---|
3913 | static uint32_t rtFsIsoMakerOutFile_GenerateDirRec(PRTFSISOMAKERNAME pName, bool fUnicode, uint8_t *pbBuf)
|
---|
3914 | {
|
---|
3915 | /*
|
---|
3916 | * Emit a standard ISO-9660 directory record.
|
---|
3917 | */
|
---|
3918 | PISO9660DIRREC pDirRec = (PISO9660DIRREC)pbBuf;
|
---|
3919 | PCRTFSISOMAKEROBJ pObj = pName->pObj;
|
---|
3920 | PCRTFSISOMAKERNAMEDIR pDir = pName->pDir;
|
---|
3921 | if (pDir)
|
---|
3922 | {
|
---|
3923 | pDirRec->offExtent.be = RT_H2BE_U32(pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3924 | pDirRec->offExtent.le = RT_H2LE_U32(pDir->offDir / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3925 | pDirRec->cbData.be = RT_H2BE_U32(pDir->cbDir);
|
---|
3926 | pDirRec->cbData.le = RT_H2LE_U32(pDir->cbDir);
|
---|
3927 | pDirRec->fFileFlags = ISO9660_FILE_FLAGS_DIRECTORY;
|
---|
3928 | }
|
---|
3929 | else if (pObj->enmType == RTFSISOMAKEROBJTYPE_FILE)
|
---|
3930 | {
|
---|
3931 | PRTFSISOMAKERFILE pFile = (PRTFSISOMAKERFILE)pObj;
|
---|
3932 | pDirRec->offExtent.be = RT_H2BE_U32(pFile->offData / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3933 | pDirRec->offExtent.le = RT_H2LE_U32(pFile->offData / RTFSISOMAKER_SECTOR_SIZE);
|
---|
3934 | pDirRec->cbData.be = RT_H2BE_U32(pFile->cbData);
|
---|
3935 | pDirRec->cbData.le = RT_H2LE_U32(pFile->cbData);
|
---|
3936 | pDirRec->fFileFlags = 0;
|
---|
3937 | }
|
---|
3938 | else
|
---|
3939 | {
|
---|
3940 | pDirRec->offExtent.be = 0;
|
---|
3941 | pDirRec->offExtent.le = 0;
|
---|
3942 | pDirRec->cbData.be = 0;
|
---|
3943 | pDirRec->cbData.le = 0;
|
---|
3944 | pDirRec->fFileFlags = 0;
|
---|
3945 | }
|
---|
3946 | rtFsIsoMakerTimespecToIso9660RecTimestamp(&pObj->BirthTime, &pDirRec->RecTime);
|
---|
3947 |
|
---|
3948 | pDirRec->cbDirRec = pName->cbDirRec;
|
---|
3949 | pDirRec->cExtAttrBlocks = 0;
|
---|
3950 | pDirRec->bFileUnitSize = 0;
|
---|
3951 | pDirRec->bInterleaveGapSize = 0;
|
---|
3952 | pDirRec->VolumeSeqNo.be = RT_H2BE_U16_C(1);
|
---|
3953 | pDirRec->VolumeSeqNo.le = RT_H2LE_U16_C(1);
|
---|
3954 | pDirRec->bFileIdLength = pName->cbNameInDirRec;
|
---|
3955 |
|
---|
3956 | if (!fUnicode)
|
---|
3957 | {
|
---|
3958 | memcpy(&pDirRec->achFileId[0], pName->szName, pName->cbNameInDirRec);
|
---|
3959 | if (!(pName->cbNameInDirRec & 1))
|
---|
3960 | pDirRec->achFileId[pName->cbNameInDirRec] = '\0';
|
---|
3961 | }
|
---|
3962 | else
|
---|
3963 | {
|
---|
3964 | /* Convert to big endian UTF-16. We're using a separate buffer here
|
---|
3965 | because of zero terminator (none in pDirRec) and misalignment. */
|
---|
3966 | RTUTF16 wszTmp[128];
|
---|
3967 | PRTUTF16 pwszTmp = &wszTmp[0];
|
---|
3968 | size_t cwcResult = 0;
|
---|
3969 | int rc = RTStrToUtf16BigEx(pName->szName, RTSTR_MAX, &pwszTmp, RT_ELEMENTS(wszTmp), &cwcResult);
|
---|
3970 | AssertRC(rc);
|
---|
3971 | Assert(cwcResult * sizeof(RTUTF16) == pName->cbNameInDirRec);
|
---|
3972 | memcpy(&pDirRec->achFileId[0], pwszTmp, pName->cbNameInDirRec);
|
---|
3973 | pDirRec->achFileId[pName->cbNameInDirRec] = '\0';
|
---|
3974 | }
|
---|
3975 |
|
---|
3976 | /*
|
---|
3977 | * Rock ridge fields if enabled.
|
---|
3978 | */
|
---|
3979 | /** @todo rock ridge. */
|
---|
3980 |
|
---|
3981 | return pName->cbDirRec;
|
---|
3982 | }
|
---|
3983 |
|
---|
3984 |
|
---|
3985 | /**
|
---|
3986 | * Deals with situations where the destination buffer doesn't cover the whole
|
---|
3987 | * directory record.
|
---|
3988 | *
|
---|
3989 | * @returns Number of bytes copied into the buffer.
|
---|
3990 | * @param pName The namespace node.
|
---|
3991 | * @param fUnicode Set if the name should be translated to big endian
|
---|
3992 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
3993 | * @param off The offset into the directory record.
|
---|
3994 | * @param pbBuf The buffer.
|
---|
3995 | * @param cbBuf The buffer size.
|
---|
3996 | */
|
---|
3997 | static uint32_t rtFsIsoMakerOutFile_GenerateDirRecPartial(PRTFSISOMAKERNAME pName, bool fUnicode,
|
---|
3998 | uint32_t off, uint8_t *pbBuf, size_t cbBuf)
|
---|
3999 | {
|
---|
4000 | Assert(off < pName->cbDirRec);
|
---|
4001 |
|
---|
4002 | uint8_t abTmpBuf[256];
|
---|
4003 | size_t cbToCopy = rtFsIsoMakerOutFile_GenerateDirRec(pName, fUnicode, pbBuf);
|
---|
4004 | cbToCopy = RT_MIN(cbBuf, cbToCopy - off);
|
---|
4005 | memcpy(pbBuf, &abTmpBuf[off], cbToCopy);
|
---|
4006 | return (uint32_t)cbToCopy;
|
---|
4007 | }
|
---|
4008 |
|
---|
4009 |
|
---|
4010 | /**
|
---|
4011 | * Generate a '.' or '..' directory record.
|
---|
4012 | *
|
---|
4013 | * This is the same as rtFsIsoMakerOutFile_GenerateDirRec, but with the filename
|
---|
4014 | * reduced to 1 byte.
|
---|
4015 | *
|
---|
4016 | * @returns Number of bytes copied into the buffer.
|
---|
4017 | * @param pName The directory namespace node.
|
---|
4018 | * @param fUnicode Set if the name should be translated to big endian
|
---|
4019 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
4020 | * @param bDirId The directory ID (0x00 or 0x01).
|
---|
4021 | * @param off The offset into the directory record.
|
---|
4022 | * @param pbBuf The buffer.
|
---|
4023 | * @param cbBuf The buffer size.
|
---|
4024 | */
|
---|
4025 | static uint32_t rtFsIsoMakerOutFile_GenerateSpecialDirRec(PRTFSISOMAKERNAME pName, bool fUnicode, uint8_t bDirId,
|
---|
4026 | uint32_t off, uint8_t *pbBuf, size_t cbBuf)
|
---|
4027 | {
|
---|
4028 | Assert(off < pName->cbDirRec);
|
---|
4029 | Assert(pName->pDir);
|
---|
4030 |
|
---|
4031 | /* Generate a regular directory record. */
|
---|
4032 | uint8_t abTmpBuf[256];
|
---|
4033 | size_t cbToCopy = rtFsIsoMakerOutFile_GenerateDirRec(pName, fUnicode, abTmpBuf);
|
---|
4034 |
|
---|
4035 | /* Replace the filename part. */
|
---|
4036 | PISO9660DIRREC pDirRec = (PISO9660DIRREC)abTmpBuf;
|
---|
4037 | if (pDirRec->bFileIdLength != 1)
|
---|
4038 | {
|
---|
4039 | uint8_t offSysUse = pDirRec->bFileIdLength + !(pDirRec->bFileIdLength & 1) + RT_OFFSETOF(ISO9660DIRREC, achFileId);
|
---|
4040 | uint8_t cbSysUse = pDirRec->cbDirRec - offSysUse;
|
---|
4041 | if (cbSysUse > 0)
|
---|
4042 | memmove(&pDirRec->achFileId[1], &pbBuf[offSysUse], cbSysUse);
|
---|
4043 | pDirRec->bFileIdLength = 1;
|
---|
4044 | cbToCopy = RT_OFFSETOF(ISO9660DIRREC, achFileId) + 1 + cbSysUse;
|
---|
4045 | pDirRec->cbDirRec = (uint8_t)cbToCopy;
|
---|
4046 | }
|
---|
4047 | pDirRec->achFileId[0] = bDirId;
|
---|
4048 |
|
---|
4049 | /* Do the copying. */
|
---|
4050 | cbToCopy = RT_MIN(cbBuf, cbToCopy - off);
|
---|
4051 | memcpy(pbBuf, &abTmpBuf[off], cbToCopy);
|
---|
4052 | return (uint32_t)cbToCopy;
|
---|
4053 | }
|
---|
4054 |
|
---|
4055 |
|
---|
4056 | /**
|
---|
4057 | * Read directory records.
|
---|
4058 | *
|
---|
4059 | * This locates the directory at @a offUnsigned and generates directory records
|
---|
4060 | * for it. Caller must repeat the call to get directory entries for the next
|
---|
4061 | * directory should there be desire for that.
|
---|
4062 | *
|
---|
4063 | * @returns Number of bytes copied into @a pbBuf.
|
---|
4064 | * @param ppDirHint Pointer to the directory hint for the namespace.
|
---|
4065 | * @param pIsoMaker The ISO maker instance.
|
---|
4066 | * @param pFinalizedDirs The finalized directory data for the namespace.
|
---|
4067 | * @param fUnicode Set if the name should be translated to big endian
|
---|
4068 | * UTF-16 / UCS-2, i.e. we're in the joliet namespace.
|
---|
4069 | * @param offUnsigned The ISO image byte offset of the requested data.
|
---|
4070 | * @param pbBuf The output buffer.
|
---|
4071 | * @param cbBuf How much to read.
|
---|
4072 | */
|
---|
4073 | static size_t rtFsIsoMakerOutFile_ReadDirRecords(PRTFSISOMAKERNAMEDIR *ppDirHint, PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs,
|
---|
4074 | bool fUnicode, uint64_t offUnsigned, uint8_t *pbBuf, size_t cbBuf)
|
---|
4075 | {
|
---|
4076 | /*
|
---|
4077 | * Figure out which directory. We keep a hint in the instance.
|
---|
4078 | */
|
---|
4079 | uint64_t offInDir64;
|
---|
4080 | PRTFSISOMAKERNAMEDIR pDir = *ppDirHint;
|
---|
4081 | if (!pDir)
|
---|
4082 | {
|
---|
4083 | pDir = RTListGetFirst(&pFinalizedDirs->FinalizedDirs, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
4084 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
4085 | }
|
---|
4086 | if ((offInDir64 = offUnsigned - pDir->offDir) < RT_ALIGN_32(pDir->cbDir, RTFSISOMAKER_SECTOR_SIZE))
|
---|
4087 | { /* hit */ }
|
---|
4088 | /* Seek forwards: */
|
---|
4089 | else if (offUnsigned > pDir->offDir)
|
---|
4090 | do
|
---|
4091 | {
|
---|
4092 | pDir = RTListGetNext(&pFinalizedDirs->FinalizedDirs, pDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
4093 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
4094 | } while ((offInDir64 = offUnsigned - pDir->offDir) < RT_ALIGN_32(pDir->cbDir, RTFSISOMAKER_SECTOR_SIZE));
|
---|
4095 | /* Back to the start: */
|
---|
4096 | else if (pFinalizedDirs->offDirs / RTFSISOMAKER_SECTOR_SIZE == offUnsigned / RTFSISOMAKER_SECTOR_SIZE)
|
---|
4097 | {
|
---|
4098 | pDir = RTListGetFirst(&pFinalizedDirs->FinalizedDirs, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
4099 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
4100 | }
|
---|
4101 | /* Seek backwards: */
|
---|
4102 | else
|
---|
4103 | do
|
---|
4104 | {
|
---|
4105 | pDir = RTListGetPrev(&pFinalizedDirs->FinalizedDirs, pDir, RTFSISOMAKERNAMEDIR, FinalizedEntry);
|
---|
4106 | AssertReturnStmt(pDir, *pbBuf = 0xff, 1);
|
---|
4107 | } while ((offInDir64 = offUnsigned - pDir->offDir) < RT_ALIGN_32(pDir->cbDir, RTFSISOMAKER_SECTOR_SIZE));
|
---|
4108 |
|
---|
4109 | /*
|
---|
4110 | * Update the hint.
|
---|
4111 | */
|
---|
4112 | *ppDirHint = pDir;
|
---|
4113 |
|
---|
4114 | /*
|
---|
4115 | * Generate content.
|
---|
4116 | */
|
---|
4117 | size_t cbDone = 0;
|
---|
4118 | uint32_t offInDir = (uint32_t)offInDir64;
|
---|
4119 | if (offInDir < pDir->cbDir)
|
---|
4120 | {
|
---|
4121 | PRTFSISOMAKERNAME pDirName = pDir->pName;
|
---|
4122 | PRTFSISOMAKERNAME pParentName = pDirName->pParent ? pDirName->pParent : pDirName;
|
---|
4123 | uint32_t cbSpecialRecs = (uint32_t)pDir->cbDirRec00 + pDir->cbDirRec01;
|
---|
4124 |
|
---|
4125 | /*
|
---|
4126 | * Special '.' and/or '..' entries requested.
|
---|
4127 | */
|
---|
4128 | uint32_t iChild;
|
---|
4129 | if (offInDir < cbSpecialRecs)
|
---|
4130 | {
|
---|
4131 | /* do '.' */
|
---|
4132 | if (offInDir < pDir->cbDirRec00)
|
---|
4133 | {
|
---|
4134 | uint32_t cbCopied = rtFsIsoMakerOutFile_GenerateSpecialDirRec(pDirName, fUnicode, 0, offInDir, pbBuf, cbBuf);
|
---|
4135 | cbDone += cbCopied;
|
---|
4136 | offInDir += cbCopied;
|
---|
4137 | pbBuf += cbCopied;
|
---|
4138 | cbBuf -= cbCopied;
|
---|
4139 | }
|
---|
4140 |
|
---|
4141 | /* do '..' */
|
---|
4142 | if (cbBuf > 0)
|
---|
4143 | {
|
---|
4144 | uint32_t cbCopied = rtFsIsoMakerOutFile_GenerateSpecialDirRec(pParentName, fUnicode, 1,
|
---|
4145 | offInDir - pDir->cbDirRec00, pbBuf, cbBuf);
|
---|
4146 | cbDone += cbCopied;
|
---|
4147 | offInDir += cbCopied;
|
---|
4148 | pbBuf += cbCopied;
|
---|
4149 | cbBuf -= cbCopied;
|
---|
4150 | }
|
---|
4151 |
|
---|
4152 | iChild = 0;
|
---|
4153 | }
|
---|
4154 | /*
|
---|
4155 | * Locate the directory entry we should start with. We can do this
|
---|
4156 | * using binary searching on offInDir.
|
---|
4157 | */
|
---|
4158 | else
|
---|
4159 | {
|
---|
4160 | /** @todo binary search */
|
---|
4161 | iChild = 0;
|
---|
4162 | while (iChild < pDir->cChildren)
|
---|
4163 | {
|
---|
4164 | PRTFSISOMAKERNAME pChild = pDir->papChildren[iChild];
|
---|
4165 | if ((offInDir - pChild->offDirRec) < pChild->cbDirRec)
|
---|
4166 | break;
|
---|
4167 | iChild++;
|
---|
4168 | }
|
---|
4169 | AssertReturnStmt(iChild < pDir->cChildren, *pbBuf = 0xff, 1);
|
---|
4170 | }
|
---|
4171 |
|
---|
4172 | /*
|
---|
4173 | * Normal directory entries.
|
---|
4174 | */
|
---|
4175 | while ( cbBuf > 0
|
---|
4176 | && iChild < pDir->cChildren)
|
---|
4177 | {
|
---|
4178 | PRTFSISOMAKERNAME pChild = pDir->papChildren[iChild];
|
---|
4179 | uint32_t cbCopied;
|
---|
4180 | if ( offInDir == pChild->offDirRec
|
---|
4181 | && cbBuf >= pChild->cbDirRec)
|
---|
4182 | cbCopied = rtFsIsoMakerOutFile_GenerateDirRec(pChild, fUnicode, pbBuf);
|
---|
4183 | else
|
---|
4184 | cbCopied = rtFsIsoMakerOutFile_GenerateDirRecPartial(pChild, fUnicode, offInDir - pChild->offDirRec, pbBuf, cbBuf);
|
---|
4185 | cbDone += cbCopied;
|
---|
4186 | offInDir += cbCopied;
|
---|
4187 | pbBuf += cbCopied;
|
---|
4188 | cbBuf -= cbCopied;
|
---|
4189 | iChild++;
|
---|
4190 | }
|
---|
4191 |
|
---|
4192 | /*
|
---|
4193 | * Check if we're into the zero padding at the end of the directory now.
|
---|
4194 | */
|
---|
4195 | if ( cbBuf > 0
|
---|
4196 | && iChild >= pDir->cChildren)
|
---|
4197 | {
|
---|
4198 | size_t cbZeros = RT_MIN(cbBuf, RTFSISOMAKER_SECTOR_SIZE - (pDir->cbDir & RTFSISOMAKER_SECTOR_OFFSET_MASK));
|
---|
4199 | memset(pbBuf, 0, cbZeros);
|
---|
4200 | cbDone += cbZeros;
|
---|
4201 | }
|
---|
4202 | }
|
---|
4203 | else
|
---|
4204 | {
|
---|
4205 | cbDone = RT_MIN(cbBuf, RT_ALIGN_32(pDir->cbDir, RTFSISOMAKER_SECTOR_SIZE) - offInDir);
|
---|
4206 | memset(pbBuf, 0, cbDone);
|
---|
4207 | }
|
---|
4208 |
|
---|
4209 | return cbDone;
|
---|
4210 | }
|
---|
4211 |
|
---|
4212 |
|
---|
4213 | /**
|
---|
4214 | * Read directory records or path table records.
|
---|
4215 | *
|
---|
4216 | * Will not necessarily fill the entire buffer. Caller must call again to get
|
---|
4217 | * more.
|
---|
4218 | *
|
---|
4219 | * @returns Number of bytes copied into @a pbBuf.
|
---|
4220 | * @param ppDirHint Pointer to the directory hint for the namespace.
|
---|
4221 | * @param pIsoMaker The ISO maker instance.
|
---|
4222 | * @param pNamespace The namespace.
|
---|
4223 | * @param pFinalizedDirs The finalized directory data for the namespace.
|
---|
4224 | * @param offUnsigned The ISO image byte offset of the requested data.
|
---|
4225 | * @param pbBuf The output buffer.
|
---|
4226 | * @param cbBuf How much to read.
|
---|
4227 | */
|
---|
4228 | static size_t rtFsIsoMakerOutFile_ReadDirStructures(PRTFSISOMAKERNAMEDIR *ppDirHint, PRTFSISOMAKERNAMESPACE pNamespace,
|
---|
4229 | PRTFSISOMAKERFINALIZEDDIRS pFinalizedDirs,
|
---|
4230 | uint64_t offUnsigned, uint8_t *pbBuf, size_t cbBuf)
|
---|
4231 | {
|
---|
4232 | if (offUnsigned < pFinalizedDirs->offPathTableL)
|
---|
4233 | return rtFsIsoMakerOutFile_ReadDirRecords(ppDirHint, pFinalizedDirs,
|
---|
4234 | pNamespace->fNamespace == RTFSISOMAKER_NAMESPACE_JOLIET,
|
---|
4235 | offUnsigned, pbBuf, cbBuf);
|
---|
4236 |
|
---|
4237 | uint64_t offInTable;
|
---|
4238 | if ((offInTable = offUnsigned - pFinalizedDirs->offPathTableL) < pFinalizedDirs->cbPathTable)
|
---|
4239 | return rtFsIsoMakerOutFile_ReadPathTable(ppDirHint, pFinalizedDirs,
|
---|
4240 | pNamespace->fNamespace == RTFSISOMAKER_NAMESPACE_JOLIET,
|
---|
4241 | true /*fLittleEndian*/, (uint32_t)offInTable, pbBuf, cbBuf);
|
---|
4242 |
|
---|
4243 | if ((offInTable = offUnsigned - pFinalizedDirs->offPathTableM) < pFinalizedDirs->cbPathTable)
|
---|
4244 | return rtFsIsoMakerOutFile_ReadPathTable(ppDirHint, pFinalizedDirs,
|
---|
4245 | pNamespace->fNamespace == RTFSISOMAKER_NAMESPACE_JOLIET,
|
---|
4246 | false /*fLittleEndian*/, (uint32_t)offInTable, pbBuf, cbBuf);
|
---|
4247 |
|
---|
4248 | /* ASSUME we're in the zero padding at the end of a path table. */
|
---|
4249 | Assert( offUnsigned - pFinalizedDirs->offPathTableL < RT_ALIGN_32(pFinalizedDirs->cbPathTable, RTFSISOMAKER_SECTOR_SIZE)
|
---|
4250 | || offUnsigned - pFinalizedDirs->offPathTableM < RT_ALIGN_32(pFinalizedDirs->cbPathTable, RTFSISOMAKER_SECTOR_SIZE));
|
---|
4251 | size_t cbZeros = RT_MIN(cbBuf, RTFSISOMAKER_SECTOR_SIZE - ((size_t)offUnsigned & RTFSISOMAKER_SECTOR_OFFSET_MASK));
|
---|
4252 | memset(pbBuf, 0, cbZeros);
|
---|
4253 | return cbZeros;
|
---|
4254 | }
|
---|
4255 |
|
---|
4256 |
|
---|
4257 |
|
---|
4258 | /**
|
---|
4259 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnRead}
|
---|
4260 | */
|
---|
4261 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Read(void *pvThis, RTFOFF off, PCRTSGBUF pSgBuf, bool fBlocking, size_t *pcbRead)
|
---|
4262 | {
|
---|
4263 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
4264 | PRTFSISOMAKERINT pIsoMaker = pThis->pIsoMaker;
|
---|
4265 | size_t cbBuf = pSgBuf->paSegs[0].cbSeg;
|
---|
4266 | uint8_t *pbBuf = (uint8_t *)pSgBuf->paSegs[0].pvSeg;
|
---|
4267 |
|
---|
4268 | Assert(pSgBuf->cSegs == 1);
|
---|
4269 | RT_NOREF(fBlocking);
|
---|
4270 |
|
---|
4271 | /*
|
---|
4272 | * Process the offset, checking for end-of-file.
|
---|
4273 | */
|
---|
4274 | uint64_t offUnsigned;
|
---|
4275 | if (off < 0)
|
---|
4276 | offUnsigned = pThis->offCurPos;
|
---|
4277 | else
|
---|
4278 | offUnsigned = (uint64_t)off;
|
---|
4279 | if (offUnsigned >= pIsoMaker->cbFinalizedImage)
|
---|
4280 | {
|
---|
4281 | if (*pcbRead)
|
---|
4282 | {
|
---|
4283 | *pcbRead = 0;
|
---|
4284 | return VINF_EOF;
|
---|
4285 | }
|
---|
4286 | return VERR_EOF;
|
---|
4287 | }
|
---|
4288 | if ( !pcbRead
|
---|
4289 | && pIsoMaker->cbFinalizedImage - offUnsigned < cbBuf)
|
---|
4290 | return VERR_EOF;
|
---|
4291 |
|
---|
4292 | /*
|
---|
4293 | * Produce the bytes.
|
---|
4294 | */
|
---|
4295 | int rc = VINF_SUCCESS;
|
---|
4296 | size_t cbRead = 0;
|
---|
4297 | while (cbBuf > 0)
|
---|
4298 | {
|
---|
4299 | size_t cbDone;
|
---|
4300 |
|
---|
4301 | /* Betting on there being more file data than metadata, thus doing the
|
---|
4302 | offset switch in decending order. */
|
---|
4303 | if (offUnsigned >= pIsoMaker->offFirstFile)
|
---|
4304 | {
|
---|
4305 | if (offUnsigned < pIsoMaker->cbFinalizedImage)
|
---|
4306 | {
|
---|
4307 | rc = rtFsIsoMakerOutFile_ReadFileData(pThis, pIsoMaker, offUnsigned, pbBuf, cbBuf, &cbDone);
|
---|
4308 | if (RT_FAILURE(rc))
|
---|
4309 | break;
|
---|
4310 | }
|
---|
4311 | else
|
---|
4312 | {
|
---|
4313 | rc = pcbRead ? VINF_EOF : VERR_EOF;
|
---|
4314 | break;
|
---|
4315 | }
|
---|
4316 | }
|
---|
4317 | /*
|
---|
4318 | * Joliet directory structures.
|
---|
4319 | */
|
---|
4320 | else if ( offUnsigned >= pIsoMaker->JolietDirs.offDirs
|
---|
4321 | && pIsoMaker->JolietDirs.offDirs < pIsoMaker->JolietDirs.offPathTableL)
|
---|
4322 | cbDone = rtFsIsoMakerOutFile_ReadDirStructures(&pThis->pDirHintJoliet, &pIsoMaker->Joliet, &pIsoMaker->JolietDirs,
|
---|
4323 | offUnsigned, pbBuf, cbBuf);
|
---|
4324 | /*
|
---|
4325 | * Primary ISO directory structures.
|
---|
4326 | */
|
---|
4327 | else if (offUnsigned >= pIsoMaker->PrimaryIsoDirs.offDirs)
|
---|
4328 | cbDone = rtFsIsoMakerOutFile_ReadDirStructures(&pThis->pDirHintPrimaryIso, &pIsoMaker->PrimaryIso,
|
---|
4329 | &pIsoMaker->PrimaryIsoDirs, offUnsigned, pbBuf, cbBuf);
|
---|
4330 | /** @todo Insert El Torito stuff here? Probably okay to let it be in the file
|
---|
4331 | * area, right? */
|
---|
4332 | /*
|
---|
4333 | * Volume descriptors.
|
---|
4334 | */
|
---|
4335 | else if (offUnsigned >= _32K)
|
---|
4336 | {
|
---|
4337 | size_t offVolDescs = (size_t)offUnsigned - _32K;
|
---|
4338 | cbDone = RT_MIN(cbBuf, (pIsoMaker->cVolumeDescriptors * RTFSISOMAKER_SECTOR_SIZE) - offVolDescs);
|
---|
4339 | memcpy(pbBuf, &pIsoMaker->pbVolDescs[offVolDescs], cbDone);
|
---|
4340 | }
|
---|
4341 | /*
|
---|
4342 | * Zeros in the system area.
|
---|
4343 | */
|
---|
4344 | else if (offUnsigned >= pIsoMaker->cbSysArea)
|
---|
4345 | {
|
---|
4346 | cbDone = RT_MIN(cbBuf, _32K - (size_t)offUnsigned);
|
---|
4347 | memset(pbBuf, 0, cbDone);
|
---|
4348 | }
|
---|
4349 | /*
|
---|
4350 | * Actual data in the system area.
|
---|
4351 | */
|
---|
4352 | else
|
---|
4353 | {
|
---|
4354 | cbDone = RT_MIN(cbBuf, pIsoMaker->cbSysArea - (size_t)offUnsigned);
|
---|
4355 | memcpy(pbBuf, &pIsoMaker->pbSysArea[(size_t)offUnsigned], cbDone);
|
---|
4356 | }
|
---|
4357 |
|
---|
4358 | /*
|
---|
4359 | * Common advance.
|
---|
4360 | */
|
---|
4361 | cbRead += cbDone;
|
---|
4362 | offUnsigned += cbDone;
|
---|
4363 | pbBuf += cbDone;
|
---|
4364 | cbBuf -= cbDone;
|
---|
4365 | }
|
---|
4366 |
|
---|
4367 | if (pcbRead)
|
---|
4368 | *pcbRead = cbRead;
|
---|
4369 | return rc;
|
---|
4370 | }
|
---|
4371 |
|
---|
4372 |
|
---|
4373 | /**
|
---|
4374 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnWrite}
|
---|
4375 | */
|
---|
4376 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Write(void *pvThis, RTFOFF off, PCRTSGBUF pSgBuf, bool fBlocking, size_t *pcbWritten)
|
---|
4377 | {
|
---|
4378 | RT_NOREF(pvThis, off, pSgBuf, fBlocking, pcbWritten);
|
---|
4379 | return VERR_WRITE_PROTECT;
|
---|
4380 | }
|
---|
4381 |
|
---|
4382 |
|
---|
4383 | /**
|
---|
4384 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnFlush}
|
---|
4385 | */
|
---|
4386 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Flush(void *pvThis)
|
---|
4387 | {
|
---|
4388 | RT_NOREF(pvThis);
|
---|
4389 | return VINF_SUCCESS;
|
---|
4390 | }
|
---|
4391 |
|
---|
4392 |
|
---|
4393 | /**
|
---|
4394 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnPollOne}
|
---|
4395 | */
|
---|
4396 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_PollOne(void *pvThis, uint32_t fEvents, RTMSINTERVAL cMillies, bool fIntr,
|
---|
4397 | uint32_t *pfRetEvents)
|
---|
4398 | {
|
---|
4399 | NOREF(pvThis);
|
---|
4400 | return RTVfsUtilDummyPollOne(fEvents, cMillies, fIntr, pfRetEvents);
|
---|
4401 | }
|
---|
4402 |
|
---|
4403 |
|
---|
4404 | /**
|
---|
4405 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnTell}
|
---|
4406 | */
|
---|
4407 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Tell(void *pvThis, PRTFOFF poffActual)
|
---|
4408 | {
|
---|
4409 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
4410 | *poffActual = pThis->offCurPos;
|
---|
4411 | return VINF_SUCCESS;
|
---|
4412 | }
|
---|
4413 |
|
---|
4414 |
|
---|
4415 | /**
|
---|
4416 | * @interface_method_impl{RTVFSIOSTREAMOPS,pfnSkip}
|
---|
4417 | */
|
---|
4418 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Skip(void *pvThis, RTFOFF cb)
|
---|
4419 | {
|
---|
4420 | RTFOFF offIgnored;
|
---|
4421 | return rtFsIsoMakerOutFile_Seek(pvThis, cb, RTFILE_SEEK_CURRENT, &offIgnored);
|
---|
4422 | }
|
---|
4423 |
|
---|
4424 |
|
---|
4425 | /**
|
---|
4426 | * @interface_method_impl{RTVFSOBJSETOPS,pfnMode}
|
---|
4427 | */
|
---|
4428 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_SetMode(void *pvThis, RTFMODE fMode, RTFMODE fMask)
|
---|
4429 | {
|
---|
4430 | RT_NOREF(pvThis, fMode, fMask);
|
---|
4431 | return VERR_WRITE_PROTECT;
|
---|
4432 | }
|
---|
4433 |
|
---|
4434 |
|
---|
4435 | /**
|
---|
4436 | * @interface_method_impl{RTVFSOBJSETOPS,pfnSetTimes}
|
---|
4437 | */
|
---|
4438 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_SetTimes(void *pvThis, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
|
---|
4439 | PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime)
|
---|
4440 | {
|
---|
4441 | RT_NOREF(pvThis, pAccessTime, pModificationTime, pChangeTime, pBirthTime);
|
---|
4442 | return VERR_WRITE_PROTECT;
|
---|
4443 | }
|
---|
4444 |
|
---|
4445 |
|
---|
4446 | /**
|
---|
4447 | * @interface_method_impl{RTVFSOBJSETOPS,pfnSetOwner}
|
---|
4448 | */
|
---|
4449 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_SetOwner(void *pvThis, RTUID uid, RTGID gid)
|
---|
4450 | {
|
---|
4451 | RT_NOREF(pvThis, uid, gid);
|
---|
4452 | return VERR_WRITE_PROTECT;
|
---|
4453 | }
|
---|
4454 |
|
---|
4455 |
|
---|
4456 | /**
|
---|
4457 | * @interface_method_impl{RTVFSFILEOPS,pfnSeek}
|
---|
4458 | */
|
---|
4459 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_Seek(void *pvThis, RTFOFF offSeek, unsigned uMethod, PRTFOFF poffActual)
|
---|
4460 | {
|
---|
4461 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
4462 |
|
---|
4463 | /*
|
---|
4464 | * Seek relative to which position.
|
---|
4465 | */
|
---|
4466 | uint64_t offWrt;
|
---|
4467 | switch (uMethod)
|
---|
4468 | {
|
---|
4469 | case RTFILE_SEEK_BEGIN:
|
---|
4470 | offWrt = 0;
|
---|
4471 | break;
|
---|
4472 |
|
---|
4473 | case RTFILE_SEEK_CURRENT:
|
---|
4474 | offWrt = pThis->offCurPos;
|
---|
4475 | break;
|
---|
4476 |
|
---|
4477 | case RTFILE_SEEK_END:
|
---|
4478 | offWrt = pThis->pIsoMaker->cbFinalizedImage;
|
---|
4479 | break;
|
---|
4480 |
|
---|
4481 | default:
|
---|
4482 | return VERR_INTERNAL_ERROR_5;
|
---|
4483 | }
|
---|
4484 |
|
---|
4485 | /*
|
---|
4486 | * Calc new position, take care to stay within RTFOFF type bounds.
|
---|
4487 | */
|
---|
4488 | uint64_t offNew;
|
---|
4489 | if (offSeek == 0)
|
---|
4490 | offNew = offWrt;
|
---|
4491 | else if (offSeek > 0)
|
---|
4492 | {
|
---|
4493 | offNew = offWrt + offSeek;
|
---|
4494 | if ( offNew < offWrt
|
---|
4495 | || offNew > RTFOFF_MAX)
|
---|
4496 | offNew = RTFOFF_MAX;
|
---|
4497 | }
|
---|
4498 | else if ((uint64_t)-offSeek < offWrt)
|
---|
4499 | offNew = offWrt + offSeek;
|
---|
4500 | else
|
---|
4501 | offNew = 0;
|
---|
4502 | pThis->offCurPos = offNew;
|
---|
4503 |
|
---|
4504 | *poffActual = offNew;
|
---|
4505 | return VINF_SUCCESS;
|
---|
4506 | }
|
---|
4507 |
|
---|
4508 |
|
---|
4509 | /**
|
---|
4510 | * @interface_method_impl{RTVFSFILEOPS,pfnQuerySize}
|
---|
4511 | */
|
---|
4512 | static DECLCALLBACK(int) rtFsIsoMakerOutFile_QuerySize(void *pvThis, uint64_t *pcbFile)
|
---|
4513 | {
|
---|
4514 | PRTFSISOMAKEROUTPUTFILE pThis = (PRTFSISOMAKEROUTPUTFILE)pvThis;
|
---|
4515 | *pcbFile = pThis->pIsoMaker->cbFinalizedImage;
|
---|
4516 | return VINF_SUCCESS;
|
---|
4517 | }
|
---|
4518 |
|
---|
4519 |
|
---|
4520 | /**
|
---|
4521 | * Standard file operations.
|
---|
4522 | */
|
---|
4523 | DECL_HIDDEN_CONST(const RTVFSFILEOPS) g_rtFsIsoMakerOutputFileOps =
|
---|
4524 | {
|
---|
4525 | { /* Stream */
|
---|
4526 | { /* Obj */
|
---|
4527 | RTVFSOBJOPS_VERSION,
|
---|
4528 | RTVFSOBJTYPE_FILE,
|
---|
4529 | "ISO Maker Output File",
|
---|
4530 | rtFsIsoMakerOutFile_Close,
|
---|
4531 | rtFsIsoMakerOutFile_QueryInfo,
|
---|
4532 | RTVFSOBJOPS_VERSION
|
---|
4533 | },
|
---|
4534 | RTVFSIOSTREAMOPS_VERSION,
|
---|
4535 | RTVFSIOSTREAMOPS_FEAT_NO_SG,
|
---|
4536 | rtFsIsoMakerOutFile_Read,
|
---|
4537 | rtFsIsoMakerOutFile_Write,
|
---|
4538 | rtFsIsoMakerOutFile_Flush,
|
---|
4539 | rtFsIsoMakerOutFile_PollOne,
|
---|
4540 | rtFsIsoMakerOutFile_Tell,
|
---|
4541 | rtFsIsoMakerOutFile_Skip,
|
---|
4542 | NULL /*ZeroFill*/,
|
---|
4543 | RTVFSIOSTREAMOPS_VERSION,
|
---|
4544 | },
|
---|
4545 | RTVFSFILEOPS_VERSION,
|
---|
4546 | 0,
|
---|
4547 | { /* ObjSet */
|
---|
4548 | RTVFSOBJSETOPS_VERSION,
|
---|
4549 | RT_OFFSETOF(RTVFSFILEOPS, Stream.Obj) - RT_OFFSETOF(RTVFSFILEOPS, ObjSet),
|
---|
4550 | rtFsIsoMakerOutFile_SetMode,
|
---|
4551 | rtFsIsoMakerOutFile_SetTimes,
|
---|
4552 | rtFsIsoMakerOutFile_SetOwner,
|
---|
4553 | RTVFSOBJSETOPS_VERSION
|
---|
4554 | },
|
---|
4555 | rtFsIsoMakerOutFile_Seek,
|
---|
4556 | rtFsIsoMakerOutFile_QuerySize,
|
---|
4557 | RTVFSFILEOPS_VERSION
|
---|
4558 | };
|
---|
4559 |
|
---|
4560 |
|
---|
4561 |
|
---|
4562 | /**
|
---|
4563 | * Creates a VFS file for a finalized ISO maker instanced.
|
---|
4564 | *
|
---|
4565 | * The file can be used to access the image. Both sequential and random access
|
---|
4566 | * are supported, so that this could in theory be hooked up to a CD/DVD-ROM
|
---|
4567 | * drive emulation and used as a virtual ISO image.
|
---|
4568 | *
|
---|
4569 | * @returns IRPT status code.
|
---|
4570 | * @param hIsoMaker The ISO maker handle.
|
---|
4571 | * @param phVfsFile Where to return the handle.
|
---|
4572 | */
|
---|
4573 | RTDECL(int) RTFsIsoMakerCreateVfsOutputFile(RTFSISOMAKER hIsoMaker, PRTVFSFILE phVfsFile)
|
---|
4574 | {
|
---|
4575 | PRTFSISOMAKERINT pThis = hIsoMaker;
|
---|
4576 | RTFSISOMAKER_ASSER_VALID_HANDLE_RET(pThis);
|
---|
4577 | AssertReturn(pThis->fFinalized, VERR_WRONG_ORDER);
|
---|
4578 | AssertPtrReturn(phVfsFile, VERR_INVALID_POINTER);
|
---|
4579 |
|
---|
4580 | uint32_t cRefs = RTFsIsoMakerRetain(pThis);
|
---|
4581 | AssertReturn(cRefs != UINT32_MAX, VERR_INVALID_HANDLE);
|
---|
4582 |
|
---|
4583 | PRTFSISOMAKEROUTPUTFILE pFileData;
|
---|
4584 | RTVFSFILE hVfsFile;
|
---|
4585 | int rc = RTVfsNewFile(&g_rtFsIsoMakerOutputFileOps, sizeof(*pFileData), RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_CREATE,
|
---|
4586 | NIL_RTVFS, NIL_RTVFSLOCK, &hVfsFile, (void **)&pFileData);
|
---|
4587 | if (RT_SUCCESS(rc))
|
---|
4588 | {
|
---|
4589 | pFileData->pIsoMaker = pThis;
|
---|
4590 | pFileData->offCurPos = 0;
|
---|
4591 | pFileData->pFileHint = NULL;
|
---|
4592 | pFileData->hVfsSrcFile = NIL_RTVFSFILE;
|
---|
4593 | pFileData->pDirHintPrimaryIso = NULL;
|
---|
4594 | pFileData->pDirHintJoliet = NULL;
|
---|
4595 | *phVfsFile = hVfsFile;
|
---|
4596 | return VINF_SUCCESS;
|
---|
4597 | }
|
---|
4598 |
|
---|
4599 | RTFsIsoMakerRelease(pThis);
|
---|
4600 | *phVfsFile = NIL_RTVFSFILE;
|
---|
4601 | return rc;
|
---|
4602 | }
|
---|
4603 |
|
---|