| 1 | /** $Id: USBLib-solaris.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * USBLib - Library for wrapping up the VBoxUSB functionality, Solaris flavor.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2008-2019 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <VBox/usblib.h>
|
|---|
| 32 | #include <VBox/err.h>
|
|---|
| 33 | #include <VBox/log.h>
|
|---|
| 34 | #include <iprt/assert.h>
|
|---|
| 35 | #include <iprt/asm.h>
|
|---|
| 36 | #include <iprt/file.h>
|
|---|
| 37 | #include <iprt/mem.h>
|
|---|
| 38 | #include <iprt/process.h>
|
|---|
| 39 | #include <iprt/env.h>
|
|---|
| 40 | #include <iprt/path.h>
|
|---|
| 41 | #include <iprt/string.h>
|
|---|
| 42 |
|
|---|
| 43 | # include <sys/types.h>
|
|---|
| 44 | # include <sys/stat.h>
|
|---|
| 45 | # include <errno.h>
|
|---|
| 46 | # include <unistd.h>
|
|---|
| 47 | # include <string.h>
|
|---|
| 48 | # include <limits.h>
|
|---|
| 49 | # include <strings.h>
|
|---|
| 50 |
|
|---|
| 51 |
|
|---|
| 52 | /*********************************************************************************************************************************
|
|---|
| 53 | * Defined Constants And Macros *
|
|---|
| 54 | *********************************************************************************************************************************/
|
|---|
| 55 | /** Logging class. */
|
|---|
| 56 | #define USBLIBR3 "USBLibR3"
|
|---|
| 57 |
|
|---|
| 58 |
|
|---|
| 59 | /*********************************************************************************************************************************
|
|---|
| 60 | * Global Variables *
|
|---|
| 61 | *********************************************************************************************************************************/
|
|---|
| 62 | /** Reference counter. */
|
|---|
| 63 | static uint32_t volatile g_cUsers = 0;
|
|---|
| 64 | /** VBoxUSB Device handle. */
|
|---|
| 65 | static RTFILE g_hFile = NIL_RTFILE;
|
|---|
| 66 |
|
|---|
| 67 |
|
|---|
| 68 | /*********************************************************************************************************************************
|
|---|
| 69 | * Internal Functions *
|
|---|
| 70 | *********************************************************************************************************************************/
|
|---|
| 71 | static int usblibDoIOCtl(unsigned iFunction, void *pvData, size_t cbData);
|
|---|
| 72 |
|
|---|
| 73 |
|
|---|
| 74 | USBLIB_DECL(int) USBLibInit(void)
|
|---|
| 75 | {
|
|---|
| 76 | LogFlow((USBLIBR3 ":USBLibInit\n"));
|
|---|
| 77 |
|
|---|
| 78 | /*
|
|---|
| 79 | * Already open?
|
|---|
| 80 | * This isn't properly serialized, but we'll be fine with the current usage.
|
|---|
| 81 | */
|
|---|
| 82 | if (g_cUsers)
|
|---|
| 83 | {
|
|---|
| 84 | ASMAtomicIncU32(&g_cUsers);
|
|---|
| 85 | return VINF_SUCCESS;
|
|---|
| 86 | }
|
|---|
| 87 |
|
|---|
| 88 | RTFILE File;
|
|---|
| 89 | int rc = RTFileOpen(&File, VBOXUSB_DEVICE_NAME, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
|
|---|
| 90 | if (RT_FAILURE(rc))
|
|---|
| 91 | {
|
|---|
| 92 | LogRel((USBLIBR3 ":failed to open the VBoxUSB monitor device node '%s' rc=%Rrc\n", VBOXUSB_DEVICE_NAME, rc));
|
|---|
| 93 | return rc;
|
|---|
| 94 | }
|
|---|
| 95 | g_hFile = File;
|
|---|
| 96 |
|
|---|
| 97 | ASMAtomicIncU32(&g_cUsers);
|
|---|
| 98 | /*
|
|---|
| 99 | * Check the USBMonitor version.
|
|---|
| 100 | */
|
|---|
| 101 | VBOXUSBREQ_GET_VERSION Req;
|
|---|
| 102 | bzero(&Req, sizeof(Req));
|
|---|
| 103 | rc = usblibDoIOCtl(VBOXUSBMON_IOCTL_GET_VERSION, &Req, sizeof(Req));
|
|---|
| 104 | if (RT_SUCCESS(rc))
|
|---|
| 105 | {
|
|---|
| 106 | if ( Req.u32Major != VBOXUSBMON_VERSION_MAJOR
|
|---|
| 107 | || Req.u32Minor < VBOXUSBMON_VERSION_MINOR)
|
|---|
| 108 | {
|
|---|
| 109 | rc = VERR_VERSION_MISMATCH;
|
|---|
| 110 | LogRel((USBLIBR3 ":USBMonitor version mismatch! driver v%d.%d, expecting ~v%d.%d\n",
|
|---|
| 111 | Req.u32Major, Req.u32Minor, VBOXUSBMON_VERSION_MAJOR, VBOXUSBMON_VERSION_MINOR));
|
|---|
| 112 |
|
|---|
| 113 | RTFileClose(File);
|
|---|
| 114 | g_hFile = NIL_RTFILE;
|
|---|
| 115 | ASMAtomicDecU32(&g_cUsers);
|
|---|
| 116 | return rc;
|
|---|
| 117 | }
|
|---|
| 118 | }
|
|---|
| 119 | else
|
|---|
| 120 | {
|
|---|
| 121 | LogRel((USBLIBR3 ":USBMonitor driver version query failed. rc=%Rrc\n", rc));
|
|---|
| 122 | RTFileClose(File);
|
|---|
| 123 | g_hFile = NIL_RTFILE;
|
|---|
| 124 | ASMAtomicDecU32(&g_cUsers);
|
|---|
| 125 | return rc;
|
|---|
| 126 | }
|
|---|
| 127 |
|
|---|
| 128 | return VINF_SUCCESS;
|
|---|
| 129 | }
|
|---|
| 130 |
|
|---|
| 131 |
|
|---|
| 132 | USBLIB_DECL(int) USBLibTerm(void)
|
|---|
| 133 | {
|
|---|
| 134 | LogFlow((USBLIBR3 ":USBLibTerm\n"));
|
|---|
| 135 |
|
|---|
| 136 | if (!g_cUsers)
|
|---|
| 137 | return VERR_WRONG_ORDER;
|
|---|
| 138 | if (ASMAtomicDecU32(&g_cUsers) != 0)
|
|---|
| 139 | return VINF_SUCCESS;
|
|---|
| 140 |
|
|---|
| 141 | /*
|
|---|
| 142 | * We're the last guy, close down the connection.
|
|---|
| 143 | */
|
|---|
| 144 | RTFILE File = g_hFile;
|
|---|
| 145 | g_hFile = NIL_RTFILE;
|
|---|
| 146 | if (File == NIL_RTFILE)
|
|---|
| 147 | return VERR_INTERNAL_ERROR;
|
|---|
| 148 |
|
|---|
| 149 | int rc = RTFileClose(File);
|
|---|
| 150 | AssertRC(rc);
|
|---|
| 151 | return rc;
|
|---|
| 152 | }
|
|---|
| 153 |
|
|---|
| 154 |
|
|---|
| 155 | USBLIB_DECL(void *) USBLibAddFilter(PCUSBFILTER pFilter)
|
|---|
| 156 | {
|
|---|
| 157 | LogFlow((USBLIBR3 ":USBLibAddFilter pFilter=%p\n", pFilter));
|
|---|
| 158 |
|
|---|
| 159 | VBOXUSBREQ_ADD_FILTER Req;
|
|---|
| 160 | Req.Filter = *pFilter;
|
|---|
| 161 | Req.uId = 0;
|
|---|
| 162 |
|
|---|
| 163 | int rc = usblibDoIOCtl(VBOXUSBMON_IOCTL_ADD_FILTER, &Req, sizeof(Req));
|
|---|
| 164 | if (RT_SUCCESS(rc))
|
|---|
| 165 | return (void *)Req.uId;
|
|---|
| 166 |
|
|---|
| 167 | AssertMsgFailed((USBLIBR3 ":VBOXUSBMON_IOCTL_ADD_FILTER failed! rc=%Rrc\n", rc));
|
|---|
| 168 | return NULL;
|
|---|
| 169 | }
|
|---|
| 170 |
|
|---|
| 171 |
|
|---|
| 172 | USBLIB_DECL(void) USBLibRemoveFilter(void *pvId)
|
|---|
| 173 | {
|
|---|
| 174 | LogFlow((USBLIBR3 ":USBLibRemoveFilter pvId=%p\n", pvId));
|
|---|
| 175 |
|
|---|
| 176 | VBOXUSBREQ_REMOVE_FILTER Req;
|
|---|
| 177 | Req.uId = (uintptr_t)pvId;
|
|---|
| 178 |
|
|---|
| 179 | int rc = usblibDoIOCtl(VBOXUSBMON_IOCTL_REMOVE_FILTER, &Req, sizeof(Req));
|
|---|
| 180 | if (RT_SUCCESS(rc))
|
|---|
| 181 | return;
|
|---|
| 182 |
|
|---|
| 183 | AssertMsgFailed((USBLIBR3 ":VBOXUSBMON_IOCTL_REMOVE_FILTER failed! rc=%Rrc\n", rc));
|
|---|
| 184 | }
|
|---|
| 185 |
|
|---|
| 186 |
|
|---|
| 187 | USBLIB_DECL(int) USBLibGetClientInfo(char *pszDeviceIdent, char **ppszClientPath, int *pInstance)
|
|---|
| 188 | {
|
|---|
| 189 | LogFlow((USBLIBR3 ":USBLibGetClientInfo pszDeviceIdent=%s ppszClientPath=%p pInstance=%p\n",
|
|---|
| 190 | pszDeviceIdent, ppszClientPath, pInstance));
|
|---|
| 191 |
|
|---|
| 192 | AssertPtrReturn(pInstance, VERR_INVALID_PARAMETER);
|
|---|
| 193 | AssertPtrReturn(ppszClientPath, VERR_INVALID_PARAMETER);
|
|---|
| 194 | AssertPtrReturn(pszDeviceIdent, VERR_INVALID_PARAMETER);
|
|---|
| 195 |
|
|---|
| 196 | VBOXUSBREQ_CLIENT_INFO Req;
|
|---|
| 197 | bzero(&Req, sizeof(Req));
|
|---|
| 198 | RTStrPrintf(Req.szDeviceIdent, sizeof(Req.szDeviceIdent), "%s", pszDeviceIdent);
|
|---|
| 199 |
|
|---|
| 200 | int rc = usblibDoIOCtl(VBOXUSBMON_IOCTL_CLIENT_INFO, &Req, sizeof(Req));
|
|---|
| 201 | if (RT_SUCCESS(rc))
|
|---|
| 202 | {
|
|---|
| 203 | *pInstance = Req.Instance;
|
|---|
| 204 | rc = RTStrDupEx(ppszClientPath, Req.szClientPath);
|
|---|
| 205 | if (RT_SUCCESS(rc))
|
|---|
| 206 | return VINF_SUCCESS;
|
|---|
| 207 |
|
|---|
| 208 | LogRel((USBLIBR3 ":USBLibGetClientInfo RTStrDupEx failed! rc=%Rrc szClientPath=%s\n", rc, Req.szClientPath));
|
|---|
| 209 | }
|
|---|
| 210 | else
|
|---|
| 211 | LogRel((USBLIBR3 ":USBLibGetClientInfo VBOXUSBMON_IOCTL_CLIENTPATH failed! rc=%Rrc\n", rc));
|
|---|
| 212 |
|
|---|
| 213 | return rc;
|
|---|
| 214 | }
|
|---|
| 215 |
|
|---|
| 216 |
|
|---|
| 217 | USBLIB_DECL(int) USBLibResetDevice(char *pszDevicePath, bool fReattach)
|
|---|
| 218 | {
|
|---|
| 219 | LogFlow((USBLIBR3 ":USBLibResetDevice pszDevicePath=%s\n", pszDevicePath));
|
|---|
| 220 |
|
|---|
| 221 | size_t cbPath = strlen(pszDevicePath) + 1;
|
|---|
| 222 | size_t cbReq = sizeof(VBOXUSBREQ_RESET_DEVICE) + cbPath;
|
|---|
| 223 | VBOXUSBREQ_RESET_DEVICE *pReq = (VBOXUSBREQ_RESET_DEVICE *)RTMemTmpAllocZ(cbReq);
|
|---|
| 224 | if (RT_UNLIKELY(!pReq))
|
|---|
| 225 | return VERR_NO_MEMORY;
|
|---|
| 226 |
|
|---|
| 227 | pReq->fReattach = fReattach;
|
|---|
| 228 | if (strlcpy(pReq->szDevicePath, pszDevicePath, cbPath) >= cbPath)
|
|---|
| 229 | {
|
|---|
| 230 | LogRel((USBLIBR3 ":USBLibResetDevice buffer overflow. cbPath=%u pszDevicePath=%s\n", cbPath, pszDevicePath));
|
|---|
| 231 | return VERR_BUFFER_OVERFLOW;
|
|---|
| 232 | }
|
|---|
| 233 |
|
|---|
| 234 | int rc = usblibDoIOCtl(VBOXUSBMON_IOCTL_RESET_DEVICE, pReq, cbReq);
|
|---|
| 235 | if (RT_FAILURE(rc))
|
|---|
| 236 | LogRel((USBLIBR3 ":VBOXUSBMON_IOCTL_RESET_DEVICE failed! rc=%Rrc\n", rc));
|
|---|
| 237 |
|
|---|
| 238 | RTMemFree(pReq);
|
|---|
| 239 | return rc;
|
|---|
| 240 | }
|
|---|
| 241 |
|
|---|
| 242 |
|
|---|
| 243 | static int usblibDoIOCtl(unsigned iFunction, void *pvData, size_t cbData)
|
|---|
| 244 | {
|
|---|
| 245 | if (g_hFile == NIL_RTFILE)
|
|---|
| 246 | {
|
|---|
| 247 | LogRel((USBLIBR3 ":IOCtl failed, device not open.\n"));
|
|---|
| 248 | return VERR_FILE_NOT_FOUND;
|
|---|
| 249 | }
|
|---|
| 250 |
|
|---|
| 251 | VBOXUSBREQ Hdr;
|
|---|
| 252 | Hdr.u32Magic = VBOXUSBMON_MAGIC;
|
|---|
| 253 | Hdr.cbData = cbData; /* Don't include full size because the header size is fixed. */
|
|---|
| 254 | Hdr.pvDataR3 = pvData;
|
|---|
| 255 |
|
|---|
| 256 | int rc = ioctl(RTFileToNative(g_hFile), iFunction, &Hdr);
|
|---|
| 257 | if (rc < 0)
|
|---|
| 258 | {
|
|---|
| 259 | rc = errno;
|
|---|
| 260 | LogRel((USBLIBR3 ":IOCtl failed iFunction=%x errno=%d g_file=%d\n", iFunction, rc, RTFileToNative(g_hFile)));
|
|---|
| 261 | return RTErrConvertFromErrno(rc);
|
|---|
| 262 | }
|
|---|
| 263 |
|
|---|
| 264 | rc = Hdr.rc;
|
|---|
| 265 | if (RT_UNLIKELY(RT_FAILURE(rc)))
|
|---|
| 266 | LogRel((USBLIBR3 ":Function (%x) failed. rc=%Rrc\n", iFunction, rc));
|
|---|
| 267 |
|
|---|
| 268 | return rc;
|
|---|
| 269 | }
|
|---|
