| 1 | /* $Id: md5sum.c 1231 2007-10-09 23:07:29Z bird $ */
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| 2 | /** @file
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| 3 | * md5sum.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2007 knut st. osmundsen <[email protected]>
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| 8 | *
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| 9 | * This file is part of kBuild.
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| 10 | *
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| 11 | * kBuild is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * kBuild is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with kBuild; if not, write to the Free Software
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| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 | #include <string.h>
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| 28 | #include <stdio.h>
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| 29 | #include <errno.h>
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| 30 | #include <fcntl.h>
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| 31 | #ifdef _MSC_VER
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| 32 | # include <io.h>
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| 33 | #else
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| 34 | # include <unistd.h>
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| 35 | #endif
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| 36 | #include <sys/stat.h>
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| 37 | #include "err.h"
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| 38 | #include "kmkbuiltin.h"
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| 39 | #include "../../lib/md5.h"
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| 40 |
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| 41 | /*#define MD5SUM_USE_STDIO*/
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| 42 |
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| 43 |
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| 44 | /**
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| 45 | * Prints the usage and return 1.
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| 46 | */
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| 47 | static int usage(FILE *pOut)
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| 48 | {
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| 49 | fprintf(pOut,
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| 50 | "usage: md5sum [-bt] file(s)\n"
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| 51 | " or: md5sum [-btwq] -c list-file(s)\n"
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| 52 | " or: md5sum [-btq] -C MD5 file\n"
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| 53 | "\n"
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| 54 | " -c, --check Check MD5 and files found in the specified list file(s).\n"
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| 55 | " The default is to compute MD5 sums of the specified files\n"
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| 56 | " and print them to stdout in list form.\n"
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| 57 | " -C, --check-file This is followed by an MD5 sum and the file to check.\n"
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| 58 | " -b, --binary Read files in binary mode. (default)\n"
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| 59 | " -t, --text Read files in text mode.\n"
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| 60 | " -p, --progress Show progress indicator on large files.\n"
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| 61 | " -q, --status Be quiet.\n"
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| 62 | " -w, --warn Ignored. Always warn, unless quiet.\n"
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| 63 | " -h, --help This usage info.\n"
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| 64 | " -v, --version Show version information and exit.\n"
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| 65 | );
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| 66 | return 1;
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| 67 | }
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| 68 |
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| 69 |
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| 70 | /**
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| 71 | * Makes a string out of the given digest.
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| 72 | *
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| 73 | * @param pDigest The MD5 digest.
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| 74 | * @param pszDigest Where to put the digest string. Must be able to
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| 75 | * hold at least 33 bytes.
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| 76 | */
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| 77 | static void digest_to_string(unsigned char pDigest[16], char *pszDigest)
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| 78 | {
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| 79 | unsigned i;
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| 80 | for (i = 0; i < 16; i++)
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| 81 | {
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| 82 | static char s_achDigits[17] = "0123456789abcdef";
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| 83 | pszDigest[i*2] = s_achDigits[(pDigest[i] >> 4)];
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| 84 | pszDigest[i*2 + 1] = s_achDigits[(pDigest[i] & 0xf)];
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| 85 | }
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| 86 | pszDigest[i*2] = '\0';
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| 87 | }
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| 88 |
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| 89 |
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| 90 | /**
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| 91 | * Attempts to convert a string to a MD5 digest.
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| 92 | *
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| 93 | * @returns 0 on success, 1-based position of the failure first error.
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| 94 | * @param pszDigest The string to interpret.
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| 95 | * @param pDigest Where to put the MD5 digest.
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| 96 | */
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| 97 | static int string_to_digest(const char *pszDigest, unsigned char pDigest[16])
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| 98 | {
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| 99 | unsigned i;
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| 100 | unsigned iBase = 1;
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| 101 |
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| 102 | /* skip blanks */
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| 103 | while ( *pszDigest == ' '
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| 104 | || *pszDigest == '\t'
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| 105 | || *pszDigest == '\n'
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| 106 | || *pszDigest == '\r')
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| 107 | pszDigest++, iBase++;
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| 108 |
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| 109 | /* convert the digits. */
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| 110 | memset(pDigest, 0, 16);
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| 111 | for (i = 0; i < 32; i++, pszDigest++)
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| 112 | {
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| 113 | int iDigit;
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| 114 | if (*pszDigest >= '0' && *pszDigest <= '9')
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| 115 | iDigit = *pszDigest - '0';
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| 116 | else if (*pszDigest >= 'a' && *pszDigest <= 'f')
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| 117 | iDigit = *pszDigest - 'a' + 10;
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| 118 | else if (*pszDigest >= 'A' && *pszDigest <= 'F')
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| 119 | iDigit = *pszDigest - 'A' + 10;
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| 120 | else
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| 121 | return i + iBase;
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| 122 | if (i & 1)
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| 123 | pDigest[i >> 1] |= iDigit;
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| 124 | else
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| 125 | pDigest[i >> 1] |= iDigit << 4;
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| 126 | }
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| 127 |
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| 128 | /* the rest of the string must now be blanks. */
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| 129 | while ( *pszDigest == ' '
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| 130 | || *pszDigest == '\t'
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| 131 | || *pszDigest == '\n'
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| 132 | || *pszDigest == '\r')
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| 133 | pszDigest++, i++;
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| 134 |
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| 135 | return *pszDigest ? i + iBase : 0;
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| 136 | }
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| 137 |
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| 138 |
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| 139 | /**
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| 140 | * Opens the specified file for md5 sum calculation.
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| 141 | *
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| 142 | * @returns Opaque pointer on success, NULL and errno on failure.
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| 143 | * @param pszFilename The filename.
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| 144 | * @param fText Whether text or binary mode should be used.
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| 145 | */
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| 146 | static void *open_file(const char *pszFilename, unsigned fText)
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| 147 | {
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| 148 | #if defined(MD5SUM_USE_STDIO)
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| 149 | FILE *pFile;
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| 150 |
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| 151 | errno = 0;
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| 152 | pFile = fopen(pszFilename, fText ? "r" : "rb");
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| 153 | if (!pFile && errno == EINVAL && !fText)
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| 154 | pFile = fopen(pszFilename, "r");
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| 155 | return pFile;
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| 156 |
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| 157 | #else
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| 158 | int fd;
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| 159 | int fFlags;
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| 160 |
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| 161 | /* figure out the appropriate flags. */
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| 162 | fFlags = O_RDONLY;
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| 163 | #ifdef O_SEQUENTIAL
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| 164 | fFlags |= _O_SEQUENTIAL;
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| 165 | #elif defined(_O_SEQUENTIAL)
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| 166 | fFlags |= _O_SEQUENTIAL;
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| 167 | #endif
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| 168 | #ifdef _O_BINARY
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| 169 | if (!fText) fFlags |= _O_BINARY;
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| 170 | #elif defined(_O_BINARY)
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| 171 | if (!fText) fFlags |= _O_BINARY;
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| 172 | #endif
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| 173 | #ifdef O_TEXT
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| 174 | if (fText) fFlags |= O_TEXT;
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| 175 | #elif defined(O_TEXT)
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| 176 | if (fText) fFlags |= _O_TEXT;
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| 177 | #endif
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| 178 |
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| 179 | errno = 0;
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| 180 | fd = open(pszFilename, fFlags, 0755);
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| 181 | if (fd >= 0)
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| 182 | {
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| 183 | int *pFd = malloc(sizeof(*pFd));
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| 184 | if (pFd)
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| 185 | {
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| 186 | *pFd = fd;
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| 187 | return pFd;
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| 188 | }
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| 189 | close(fd);
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| 190 | errno = ENOMEM;
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| 191 | }
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| 192 |
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| 193 | return NULL;
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| 194 | #endif
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| 195 | }
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| 196 |
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| 197 |
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| 198 | /**
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| 199 | * Closes a file opened by open_file.
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| 200 | *
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| 201 | * @param pvFile The opaque pointer returned by open_file.
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| 202 | */
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| 203 | static void close_file(void *pvFile)
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| 204 | {
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| 205 | #if defined(MD5SUM_USE_STDIO)
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| 206 | fclose((FILE *)pvFile);
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| 207 | #else
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| 208 | close(*(int *)pvFile);
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| 209 | free(pvFile);
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| 210 | #endif
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| 211 | }
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| 212 |
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| 213 |
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| 214 | /**
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| 215 | * Reads from a file opened by open_file.
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| 216 | *
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| 217 | * @returns Number of bytes read on success.
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| 218 | * 0 on EOF.
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| 219 | * Negated errno on read error.
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| 220 | * @param pvFile The opaque pointer returned by open_file.
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| 221 | * @param pvBuf Where to put the number of read bytes.
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| 222 | * @param cbBuf The max number of bytes to read.
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| 223 | * Must be less than a INT_MAX.
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| 224 | */
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| 225 | static int read_file(void *pvFile, void *pvBuf, size_t cbBuf)
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| 226 | {
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| 227 | #if defined(MD5SUM_USE_STDIO)
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| 228 | int cb;
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| 229 |
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| 230 | errno = 0;
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| 231 | cb = (int)fread(pvBuf, 1, cbBuf, (FILE *)pvFile);
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| 232 | if (cb >= 0)
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| 233 | return (int)cb;
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| 234 | if (!errno)
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| 235 | return -EINVAL;
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| 236 | return -errno;
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| 237 | #else
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| 238 | int cb;
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| 239 |
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| 240 | errno = 0;
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| 241 | cb = (int)read(*(int *)pvFile, pvBuf, (int)cbBuf);
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| 242 | if (cb >= 0)
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| 243 | return (int)cb;
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| 244 | if (!errno)
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| 245 | return -EINVAL;
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| 246 | return -errno;
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| 247 | #endif
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| 248 | }
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| 249 |
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| 250 |
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| 251 | /**
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| 252 | * Gets the size of the file.
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| 253 | * This is informational and not necessarily 100% accurate.
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| 254 | *
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| 255 | * @returns File size.
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| 256 | * @param pvFile The opaque pointer returned by open_file
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| 257 | */
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| 258 | static double size_file(void *pvFile)
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| 259 | {
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| 260 | #if defined(_MSC_VER)
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| 261 | __int64 cb;
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| 262 | # if defined(MD5SUM_USE_STDIO)
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| 263 | cb = _filelengthi64(fileno((FILE *)pvFile));
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| 264 | # else
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| 265 | cb = _filelengthi64(*(int *)pvFile);
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| 266 | # endif
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| 267 | if (cb >= 0)
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| 268 | return (double)cb;
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| 269 |
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| 270 | #elif defined(MD5SUM_USE_STDIO)
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| 271 | struct stat st;
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| 272 | if (!fstat(fileno((FILE *)pvFile), &st))
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| 273 | return st.st_size;
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| 274 |
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| 275 | #else
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| 276 | struct stat st;
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| 277 | if (!fstat(*(int *)pvFile, &st))
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| 278 | return st.st_size;
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| 279 | #endif
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| 280 | return 1024;
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| 281 | }
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| 282 |
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| 283 |
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| 284 | /**
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| 285 | * Calculates the md5sum of the sepecified file stream.
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| 286 | *
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| 287 | * @returns errno on failure, 0 on success.
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| 288 | * @param pvFile The file stream.
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| 289 | * @param pDigest Where to store the MD5 digest.
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| 290 | * @param fProgress Whether to show a progress bar.
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| 291 | */
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| 292 | static int calc_md5sum(void *pvFile, unsigned char pDigest[16], unsigned fProgress)
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| 293 | {
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| 294 | int cb;
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| 295 | int rc = 0;
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| 296 | char abBuf[32*1024];
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| 297 | struct MD5Context Ctx;
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| 298 | unsigned uPercent = 0;
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| 299 | double cbFile = 0.0;
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| 300 | double off = 0.0;
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| 301 |
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| 302 | if (fProgress)
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| 303 | {
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| 304 | cbFile = size_file(pvFile);
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| 305 | if (cbFile < 1024*1024)
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| 306 | fProgress = 0;
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| 307 | }
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| 308 |
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| 309 | MD5Init(&Ctx);
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| 310 | for (;;)
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| 311 | {
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| 312 | /* process a chunk. */
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| 313 | cb = read_file(pvFile, abBuf, sizeof(abBuf));
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| 314 | if (cb > 0)
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| 315 | MD5Update(&Ctx, abBuf, cb);
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| 316 | else if (!cb)
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| 317 | break;
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| 318 | else
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| 319 | {
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| 320 | rc = -cb;
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| 321 | break;
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| 322 | }
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| 323 |
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| 324 | /* update the progress indicator. */
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| 325 | if (fProgress)
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| 326 | {
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| 327 | unsigned uNewPercent;
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| 328 | off += cb;
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| 329 | uNewPercent = (unsigned)((off / cbFile) * 100);
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| 330 | if (uNewPercent != uPercent)
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| 331 | {
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| 332 | if (uPercent)
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| 333 | printf("\b\b\b\b");
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| 334 | printf("%3d%%", uNewPercent);
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| 335 | fflush(stdout);
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| 336 | uPercent = uNewPercent;
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| 337 | }
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| 338 | }
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| 339 | }
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| 340 | MD5Final(pDigest, &Ctx);
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| 341 |
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| 342 | if (fProgress)
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| 343 | printf("\b\b\b\b \b\b\b\b");
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| 344 |
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| 345 | return rc;
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| 346 | }
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| 347 |
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| 348 |
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| 349 | /**
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| 350 | * Checks the if the specified digest matches the digest of the file stream.
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| 351 | *
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| 352 | * @returns 0 on match, -1 on mismatch, errno value (positive) on failure.
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| 353 | * @param pvFile The file stream.
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| 354 | * @param Digest The MD5 digest.
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| 355 | * @param fProgress Whether to show an progress indicator on large files.
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| 356 | */
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| 357 | static int check_md5sum(void *pvFile, unsigned char Digest[16], unsigned fProgress)
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| 358 | {
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| 359 | unsigned char DigestFile[16];
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| 360 | int rc;
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| 361 |
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| 362 | rc = calc_md5sum(pvFile, DigestFile, fProgress);
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| 363 | if (!rc)
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| 364 | rc = memcmp(Digest, DigestFile, 16) ? -1 : 0;
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| 365 | return rc;
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| 366 | }
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| 367 |
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| 368 |
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| 369 | /**
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| 370 | * Checks if the specified file matches the given MD5 digest.
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| 371 | *
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| 372 | * @returns 0 if it matches, 1 if it doesn't or an error occurs.
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| 373 | * @param pszFilename The name of the file to check.
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| 374 | * @param pszDigest The MD5 digest string.
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| 375 | * @param fText Whether to open the file in text or binary mode.
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| 376 | * @param fQuiet Whether to go about this in a quiet fashion or not.
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| 377 | * @param fProgress Whether to show an progress indicator on large files.
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| 378 | */
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| 379 | static int check_one_file(const char *pszFilename, const char *pszDigest, unsigned fText, unsigned fQuiet, unsigned fProgress)
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| 380 | {
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| 381 | unsigned char Digest[16];
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| 382 | int rc;
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| 383 |
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| 384 | rc = string_to_digest(pszDigest, Digest);
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| 385 | if (!rc)
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| 386 | {
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| 387 | void *pvFile;
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| 388 |
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| 389 | pvFile = open_file(pszFilename, fText);
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| 390 | if (pvFile)
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| 391 | {
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| 392 | if (!fQuiet)
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| 393 | fprintf(stdout, "%s: ", pszFilename);
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| 394 | rc = check_md5sum(pvFile, Digest, fProgress);
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| 395 | close_file(pvFile);
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| 396 | if (!fQuiet)
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| 397 | {
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| 398 | fprintf(stdout, "%s\n", !rc ? "OK" : rc < 0 ? "FAILURE" : "ERROR");
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| 399 | fflush(stdout);
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| 400 | if (rc > 0)
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| 401 | errx(1, "Error reading '%s': %s", pszFilename, strerror(rc));
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| 402 | }
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| 403 | if (rc)
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| 404 | rc = 1;
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| 405 | }
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| 406 | else
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| 407 | {
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| 408 | if (!fQuiet)
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| 409 | errx(1, "Failed to open '%s': %s", pszFilename, strerror(errno));
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| 410 | rc = 1;
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| 411 | }
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| 412 | }
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| 413 | else
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| 414 | {
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| 415 | errx(1, "Malformed MD5 digest '%s'!", pszDigest);
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| 416 | errx(1, " %*s^", rc - 1, "");
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| 417 | rc = 1;
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| 418 | }
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| 419 |
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| 420 | return rc;
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| 421 | }
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| 422 |
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| 423 |
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| 424 | /**
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| 425 | * Checks the specified md5.lst file.
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| 426 | *
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| 427 | * @returns 0 if all checks out file, 1 if one or more fails or there are read errors.
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| 428 | * @param pszFilename The name of the file.
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| 429 | * @param fText The default mode, text or binary. Only used when fBinaryTextOpt is true.
|
|---|
| 430 | * @param fBinaryTextOpt Whether a -b or -t option was specified and should be used.
|
|---|
| 431 | * @param fQuiet Whether to be quiet.
|
|---|
| 432 | * @param fProgress Whether to show an progress indicator on large files.
|
|---|
| 433 | */
|
|---|
| 434 | static int check_files(const char *pszFilename, int fText, int fBinaryTextOpt, int fQuiet, unsigned fProgress)
|
|---|
| 435 | {
|
|---|
| 436 | int rc = 0;
|
|---|
| 437 | FILE *pFile;
|
|---|
| 438 |
|
|---|
| 439 | /*
|
|---|
| 440 | * Try open the md5.lst file and process it line by line.
|
|---|
| 441 | */
|
|---|
| 442 | pFile = fopen(pszFilename, "r");
|
|---|
| 443 | if (pFile)
|
|---|
| 444 | {
|
|---|
| 445 | int iLine = 0;
|
|---|
| 446 | char szLine[8192];
|
|---|
| 447 | while (fgets(szLine, sizeof(szLine), pFile))
|
|---|
| 448 | {
|
|---|
| 449 | const char *pszDigest;
|
|---|
| 450 | int fLineText;
|
|---|
| 451 | char *psz;
|
|---|
| 452 | int rc2;
|
|---|
| 453 |
|
|---|
| 454 | iLine++;
|
|---|
| 455 | psz = szLine;
|
|---|
| 456 |
|
|---|
| 457 | /* leading blanks */
|
|---|
| 458 | while (*psz == ' ' || *psz == '\t' || *psz == '\n')
|
|---|
| 459 | psz++;
|
|---|
| 460 |
|
|---|
| 461 | /* skip blank or comment lines. */
|
|---|
| 462 | if (!*psz || *psz == '#' || *psz == ';' || *psz == '/')
|
|---|
| 463 | continue;
|
|---|
| 464 |
|
|---|
| 465 | /* remove the trailing newline. */
|
|---|
| 466 | rc2 = (int)strlen(psz);
|
|---|
| 467 | if (psz[rc2 - 1] == '\n')
|
|---|
| 468 | psz[rc2 - (rc2 >= 2 && psz[rc2 - 2] == '\r' ? 2 : 1)] = '\0';
|
|---|
| 469 |
|
|---|
| 470 | /* skip to the end of the digest and terminate it. */
|
|---|
| 471 | pszDigest = psz;
|
|---|
| 472 | while (*psz != ' ' && *psz != '\t' && *psz)
|
|---|
| 473 | psz++;
|
|---|
| 474 | if (*psz)
|
|---|
| 475 | {
|
|---|
| 476 | *psz++ = '\0';
|
|---|
| 477 |
|
|---|
| 478 | /* blanks */
|
|---|
| 479 | while (*psz == ' ' || *psz == '\t' || *psz == '\n')
|
|---|
| 480 | psz++;
|
|---|
| 481 |
|
|---|
| 482 | /* check for binary asterix */
|
|---|
| 483 | if (*psz != '*')
|
|---|
| 484 | fLineText = fBinaryTextOpt ? fText : 0;
|
|---|
| 485 | else
|
|---|
| 486 | {
|
|---|
| 487 | fLineText = 0;
|
|---|
| 488 | psz++;
|
|---|
| 489 | }
|
|---|
| 490 | if (*psz)
|
|---|
| 491 | {
|
|---|
| 492 | unsigned char Digest[16];
|
|---|
| 493 |
|
|---|
| 494 | /* the rest is filename. */
|
|---|
| 495 | pszFilename = psz;
|
|---|
| 496 |
|
|---|
| 497 | /*
|
|---|
| 498 | * Do the job.
|
|---|
| 499 | */
|
|---|
| 500 | rc2 = string_to_digest(pszDigest, Digest);
|
|---|
| 501 | if (!rc2)
|
|---|
| 502 | {
|
|---|
| 503 | void *pvFile = open_file(pszFilename, fLineText);
|
|---|
| 504 | if (pvFile)
|
|---|
| 505 | {
|
|---|
| 506 | if (!fQuiet)
|
|---|
| 507 | fprintf(stdout, "%s: ", pszFilename);
|
|---|
| 508 | rc2 = check_md5sum(pvFile, Digest, fProgress);
|
|---|
| 509 | close_file(pvFile);
|
|---|
| 510 | if (!fQuiet)
|
|---|
| 511 | {
|
|---|
| 512 | fprintf(stdout, "%s\n", !rc2 ? "OK" : rc2 < 0 ? "FAILURE" : "ERROR");
|
|---|
| 513 | fflush(stdout);
|
|---|
| 514 | if (rc2 > 0)
|
|---|
| 515 | errx(1, "Error reading '%s': %s", pszFilename, strerror(rc2));
|
|---|
| 516 | }
|
|---|
| 517 | if (rc2)
|
|---|
| 518 | rc = 1;
|
|---|
| 519 | }
|
|---|
| 520 | else
|
|---|
| 521 | {
|
|---|
| 522 | if (!fQuiet)
|
|---|
| 523 | errx(1, "Failed to open '%s': %s", pszFilename, strerror(errno));
|
|---|
| 524 | rc = 1;
|
|---|
| 525 | }
|
|---|
| 526 | }
|
|---|
| 527 | else if (!fQuiet)
|
|---|
| 528 | {
|
|---|
| 529 | errx(1, "%s (%d): Ignoring malformed digest '%s' (digest)", pszFilename, iLine, pszDigest);
|
|---|
| 530 | errx(1, "%s (%d): %*s^", pszFilename, iLine, rc2 - 1, "");
|
|---|
| 531 | }
|
|---|
| 532 | }
|
|---|
| 533 | else if (!fQuiet)
|
|---|
| 534 | errx(1, "%s (%d): Ignoring malformed line!", pszFilename, iLine);
|
|---|
| 535 | }
|
|---|
| 536 | else if (!fQuiet)
|
|---|
| 537 | errx(1, "%s (%d): Ignoring malformed line!", pszFilename, iLine);
|
|---|
| 538 | } /* while more lines */
|
|---|
| 539 |
|
|---|
| 540 | fclose(pFile);
|
|---|
| 541 | }
|
|---|
| 542 | else
|
|---|
| 543 | {
|
|---|
| 544 | errx(1, "Failed to open '%s': %s", pszFilename, strerror(errno));
|
|---|
| 545 | rc = 1;
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | return rc;
|
|---|
| 549 | }
|
|---|
| 550 |
|
|---|
| 551 |
|
|---|
| 552 | /**
|
|---|
| 553 | * Calculates the MD5 sum for one file and prints it.
|
|---|
| 554 | *
|
|---|
| 555 | * @returns 0 on success, 1 on any kind of failure.
|
|---|
| 556 | * @param pszFilename The file to process.
|
|---|
| 557 | * @param fText The mode to open the file in.
|
|---|
| 558 | * @param fQuiet Whether to be quiet or verbose about errors.
|
|---|
| 559 | * @param fProgress Whether to show an progress indicator on large files.
|
|---|
| 560 | */
|
|---|
| 561 | static int md5sum_file(const char *pszFilename, unsigned fText, unsigned fQuiet, unsigned fProgress)
|
|---|
| 562 | {
|
|---|
| 563 | int rc;
|
|---|
| 564 | void *pvFile;
|
|---|
| 565 |
|
|---|
| 566 | /*
|
|---|
| 567 | * Calcuate and print the MD5 sum for one file.
|
|---|
| 568 | */
|
|---|
| 569 | pvFile = open_file(pszFilename, fText);
|
|---|
| 570 | if (pvFile)
|
|---|
| 571 | {
|
|---|
| 572 | unsigned char Digest[16];
|
|---|
| 573 | rc = calc_md5sum(pvFile, Digest, fProgress);
|
|---|
| 574 | close_file(pvFile);
|
|---|
| 575 | if (!rc)
|
|---|
| 576 | {
|
|---|
| 577 | char szDigest[36];
|
|---|
| 578 | digest_to_string(Digest, szDigest);
|
|---|
| 579 | fprintf(stdout, "%s %s%s\n", szDigest, fText ? "" : "*", pszFilename);
|
|---|
| 580 | fflush(stdout);
|
|---|
| 581 | }
|
|---|
| 582 | else
|
|---|
| 583 | {
|
|---|
| 584 | if (!fQuiet)
|
|---|
| 585 | errx(1, "Failed to open '%s': %s", pszFilename, strerror(rc));
|
|---|
| 586 | rc = 1;
|
|---|
| 587 | }
|
|---|
| 588 | }
|
|---|
| 589 | else
|
|---|
| 590 | {
|
|---|
| 591 | if (!fQuiet)
|
|---|
| 592 | errx(1, "Failed to open '%s': %s", pszFilename, strerror(errno));
|
|---|
| 593 | rc = 1;
|
|---|
| 594 | }
|
|---|
| 595 | return rc;
|
|---|
| 596 | }
|
|---|
| 597 |
|
|---|
| 598 |
|
|---|
| 599 |
|
|---|
| 600 | /**
|
|---|
| 601 | * md5sum, calculates and checks the md5sum of files.
|
|---|
| 602 | * Somewhat similar to the GNU coreutil md5sum command.
|
|---|
| 603 | */
|
|---|
| 604 | int kmk_builtin_md5sum(int argc, char **argv, char **envp)
|
|---|
| 605 | {
|
|---|
| 606 | int i;
|
|---|
| 607 | int rc = 0;
|
|---|
| 608 | int fText = 0;
|
|---|
| 609 | int fBinaryTextOpt = 0;
|
|---|
| 610 | int fQuiet = 0;
|
|---|
| 611 | int fNewLine = 0;
|
|---|
| 612 | int fChecking = 0;
|
|---|
| 613 | int fProgress = 0;
|
|---|
| 614 | int fNoMoreOptions = 0;
|
|---|
| 615 |
|
|---|
| 616 | g_progname = argv[0];
|
|---|
| 617 |
|
|---|
| 618 | /*
|
|---|
| 619 | * Print usage if no arguments.
|
|---|
| 620 | */
|
|---|
| 621 | if (argc <= 1)
|
|---|
| 622 | return usage(stderr);
|
|---|
| 623 |
|
|---|
| 624 | /*
|
|---|
| 625 | * Process the arguments, FIFO style.
|
|---|
| 626 | */
|
|---|
| 627 | i = 1;
|
|---|
| 628 | while (i < argc)
|
|---|
| 629 | {
|
|---|
| 630 | char *psz = argv[i];
|
|---|
| 631 | if (!fNoMoreOptions && psz[0] == '-' && psz[1] == '-' && !psz[2])
|
|---|
| 632 | fNoMoreOptions = 1;
|
|---|
| 633 | else if (*psz == '-' && !fNoMoreOptions)
|
|---|
| 634 | {
|
|---|
| 635 | psz++;
|
|---|
| 636 |
|
|---|
| 637 | /* convert long options for gnu just for fun */
|
|---|
| 638 | if (*psz == '-')
|
|---|
| 639 | {
|
|---|
| 640 | if (!strcmp(psz, "-binary"))
|
|---|
| 641 | psz = "b";
|
|---|
| 642 | else if (!strcmp(psz, "-text"))
|
|---|
| 643 | psz = "t";
|
|---|
| 644 | else if (!strcmp(psz, "-check"))
|
|---|
| 645 | psz = "c";
|
|---|
| 646 | else if (!strcmp(psz, "-check-file"))
|
|---|
| 647 | psz = "C";
|
|---|
| 648 | else if (!strcmp(psz, "-progress"))
|
|---|
| 649 | psz = "p";
|
|---|
| 650 | else if (!strcmp(psz, "-status"))
|
|---|
| 651 | psz = "q";
|
|---|
| 652 | else if (!strcmp(psz, "-warn"))
|
|---|
| 653 | psz = "w";
|
|---|
| 654 | else if (!strcmp(psz, "-help"))
|
|---|
| 655 | psz = "h";
|
|---|
| 656 | else if (!strcmp(psz, "-version"))
|
|---|
| 657 | psz = "v";
|
|---|
| 658 | }
|
|---|
| 659 |
|
|---|
| 660 | /* short options */
|
|---|
| 661 | do
|
|---|
| 662 | {
|
|---|
| 663 | switch (*psz)
|
|---|
| 664 | {
|
|---|
| 665 | case 'c':
|
|---|
| 666 | fChecking = 1;
|
|---|
| 667 | break;
|
|---|
| 668 |
|
|---|
| 669 | case 'b':
|
|---|
| 670 | fText = 0;
|
|---|
| 671 | fBinaryTextOpt = 1;
|
|---|
| 672 | break;
|
|---|
| 673 |
|
|---|
| 674 | case 't':
|
|---|
| 675 | fText = 1;
|
|---|
| 676 | fBinaryTextOpt = 1;
|
|---|
| 677 | break;
|
|---|
| 678 |
|
|---|
| 679 | case 'p':
|
|---|
| 680 | fProgress = 1;
|
|---|
| 681 | break;
|
|---|
| 682 |
|
|---|
| 683 | case 'q':
|
|---|
| 684 | fQuiet = 1;
|
|---|
| 685 | break;
|
|---|
| 686 |
|
|---|
| 687 | case 'w':
|
|---|
| 688 | /* ignored */
|
|---|
| 689 | break;
|
|---|
| 690 |
|
|---|
| 691 | case 'h':
|
|---|
| 692 | usage(stdout);
|
|---|
| 693 | return 0;
|
|---|
| 694 |
|
|---|
| 695 | case 'v':
|
|---|
| 696 | return kbuild_version(argv[0]);
|
|---|
| 697 |
|
|---|
| 698 | /*
|
|---|
| 699 | * -C md5 file
|
|---|
| 700 | */
|
|---|
| 701 | case 'C':
|
|---|
| 702 | {
|
|---|
| 703 | const char *pszFilename;
|
|---|
| 704 | const char *pszDigest;
|
|---|
| 705 |
|
|---|
| 706 | if (psz[1])
|
|---|
| 707 | pszDigest = &psz[1];
|
|---|
| 708 | else if (i + 1 < argc)
|
|---|
| 709 | pszDigest = argv[++i];
|
|---|
| 710 | else
|
|---|
| 711 | {
|
|---|
| 712 | errx(1, "'-C' is missing the MD5 sum!");
|
|---|
| 713 | return 1;
|
|---|
| 714 | }
|
|---|
| 715 | if (i + 1 < argc)
|
|---|
| 716 | pszFilename = argv[++i];
|
|---|
| 717 | else
|
|---|
| 718 | {
|
|---|
| 719 | errx(1, "'-C' is missing the filename!");
|
|---|
| 720 | return 1;
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | rc |= check_one_file(pszFilename, pszDigest, fText, fQuiet, fProgress && !fQuiet);
|
|---|
| 724 | psz = "\0";
|
|---|
| 725 | break;
|
|---|
| 726 | }
|
|---|
| 727 |
|
|---|
| 728 | default:
|
|---|
| 729 | errx(1, "Invalid option '%c'! (%s)", *psz, argv[i]);
|
|---|
| 730 | return usage(stderr);
|
|---|
| 731 | }
|
|---|
| 732 | } while (*++psz);
|
|---|
| 733 | }
|
|---|
| 734 | else if (fChecking)
|
|---|
| 735 | rc |= check_files(argv[i], fText, fBinaryTextOpt, fQuiet, fProgress && !fQuiet);
|
|---|
| 736 | else
|
|---|
| 737 | rc |= md5sum_file(argv[i], fText, fQuiet, fProgress && !fQuiet);
|
|---|
| 738 | i++;
|
|---|
| 739 | }
|
|---|
| 740 |
|
|---|
| 741 | return rc;
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
