| 1 | /***************************************************************************
|
|---|
| 2 | * _ _ ____ _
|
|---|
| 3 | * Project ___| | | | _ \| |
|
|---|
| 4 | * / __| | | | |_) | |
|
|---|
| 5 | * | (__| |_| | _ <| |___
|
|---|
| 6 | * \___|\___/|_| \_\_____|
|
|---|
| 7 | *
|
|---|
| 8 | * Copyright (C) 2016 - 2017, Steve Holme, <[email protected]>.
|
|---|
| 9 | *
|
|---|
| 10 | * This software is licensed as described in the file COPYING, which
|
|---|
| 11 | * you should have received as part of this distribution. The terms
|
|---|
| 12 | * are also available at https://curl.haxx.se/docs/copyright.html.
|
|---|
| 13 | *
|
|---|
| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|---|
| 15 | * copies of the Software, and permit persons to whom the Software is
|
|---|
| 16 | * furnished to do so, under the terms of the COPYING file.
|
|---|
| 17 | *
|
|---|
| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|---|
| 19 | * KIND, either express or implied.
|
|---|
| 20 | *
|
|---|
| 21 | ***************************************************************************/
|
|---|
| 22 |
|
|---|
| 23 | #include "curl_setup.h"
|
|---|
| 24 |
|
|---|
| 25 | #if defined(WIN32)
|
|---|
| 26 |
|
|---|
| 27 | #include <curl/curl.h>
|
|---|
| 28 | #include "system_win32.h"
|
|---|
| 29 | #include "warnless.h"
|
|---|
| 30 |
|
|---|
| 31 | /* The last #include files should be: */
|
|---|
| 32 | #include "curl_memory.h"
|
|---|
| 33 | #include "memdebug.h"
|
|---|
| 34 |
|
|---|
| 35 | #if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
|
|---|
| 36 | defined(USE_WINSOCK))
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | #if !defined(LOAD_WITH_ALTERED_SEARCH_PATH)
|
|---|
| 40 | #define LOAD_WITH_ALTERED_SEARCH_PATH 0x00000008
|
|---|
| 41 | #endif
|
|---|
| 42 |
|
|---|
| 43 | #if !defined(LOAD_LIBRARY_SEARCH_SYSTEM32)
|
|---|
| 44 | #define LOAD_LIBRARY_SEARCH_SYSTEM32 0x00000800
|
|---|
| 45 | #endif
|
|---|
| 46 |
|
|---|
| 47 | /* We use our own typedef here since some headers might lack these */
|
|---|
| 48 | typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD);
|
|---|
| 49 |
|
|---|
| 50 | /* See function definitions in winbase.h */
|
|---|
| 51 | #ifdef UNICODE
|
|---|
| 52 | # ifdef _WIN32_WCE
|
|---|
| 53 | # define LOADLIBARYEX L"LoadLibraryExW"
|
|---|
| 54 | # else
|
|---|
| 55 | # define LOADLIBARYEX "LoadLibraryExW"
|
|---|
| 56 | # endif
|
|---|
| 57 | #else
|
|---|
| 58 | # define LOADLIBARYEX "LoadLibraryExA"
|
|---|
| 59 | #endif
|
|---|
| 60 |
|
|---|
| 61 | #endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */
|
|---|
| 62 |
|
|---|
| 63 | /*
|
|---|
| 64 | * Curl_verify_windows_version()
|
|---|
| 65 | *
|
|---|
| 66 | * This is used to verify if we are running on a specific windows version.
|
|---|
| 67 | *
|
|---|
| 68 | * Parameters:
|
|---|
| 69 | *
|
|---|
| 70 | * majorVersion [in] - The major version number.
|
|---|
| 71 | * minorVersion [in] - The minor version number.
|
|---|
| 72 | * platform [in] - The optional platform identifier.
|
|---|
| 73 | * condition [in] - The test condition used to specifier whether we are
|
|---|
| 74 | * checking a version less then, equal to or greater than
|
|---|
| 75 | * what is specified in the major and minor version
|
|---|
| 76 | * numbers.
|
|---|
| 77 | *
|
|---|
| 78 | * Returns TRUE if matched; otherwise FALSE.
|
|---|
| 79 | */
|
|---|
| 80 | bool Curl_verify_windows_version(const unsigned int majorVersion,
|
|---|
| 81 | const unsigned int minorVersion,
|
|---|
| 82 | const PlatformIdentifier platform,
|
|---|
| 83 | const VersionCondition condition)
|
|---|
| 84 | {
|
|---|
| 85 | bool matched = FALSE;
|
|---|
| 86 |
|
|---|
| 87 | #if defined(CURL_WINDOWS_APP)
|
|---|
| 88 | /* We have no way to determine the Windows version from Windows apps,
|
|---|
| 89 | so let's assume we're running on the target Windows version. */
|
|---|
| 90 | const WORD fullVersion = MAKEWORD(minorVersion, majorVersion);
|
|---|
| 91 | const WORD targetVersion = (WORD)_WIN32_WINNT;
|
|---|
| 92 |
|
|---|
| 93 | switch(condition) {
|
|---|
| 94 | case VERSION_LESS_THAN:
|
|---|
| 95 | matched = targetVersion < fullVersion;
|
|---|
| 96 | break;
|
|---|
| 97 |
|
|---|
| 98 | case VERSION_LESS_THAN_EQUAL:
|
|---|
| 99 | matched = targetVersion <= fullVersion;
|
|---|
| 100 | break;
|
|---|
| 101 |
|
|---|
| 102 | case VERSION_EQUAL:
|
|---|
| 103 | matched = targetVersion == fullVersion;
|
|---|
| 104 | break;
|
|---|
| 105 |
|
|---|
| 106 | case VERSION_GREATER_THAN_EQUAL:
|
|---|
| 107 | matched = targetVersion >= fullVersion;
|
|---|
| 108 | break;
|
|---|
| 109 |
|
|---|
| 110 | case VERSION_GREATER_THAN:
|
|---|
| 111 | matched = targetVersion > fullVersion;
|
|---|
| 112 | break;
|
|---|
| 113 | }
|
|---|
| 114 |
|
|---|
| 115 | if(matched && (platform == PLATFORM_WINDOWS)) {
|
|---|
| 116 | /* we're always running on PLATFORM_WINNT */
|
|---|
| 117 | matched = FALSE;
|
|---|
| 118 | }
|
|---|
| 119 | #elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
|
|---|
| 120 | (_WIN32_WINNT < _WIN32_WINNT_WIN2K)
|
|---|
| 121 | OSVERSIONINFO osver;
|
|---|
| 122 |
|
|---|
| 123 | memset(&osver, 0, sizeof(osver));
|
|---|
| 124 | osver.dwOSVersionInfoSize = sizeof(osver);
|
|---|
| 125 |
|
|---|
| 126 | /* Find out Windows version */
|
|---|
| 127 | if(GetVersionEx(&osver)) {
|
|---|
| 128 | /* Verify the Operating System version number */
|
|---|
| 129 | switch(condition) {
|
|---|
| 130 | case VERSION_LESS_THAN:
|
|---|
| 131 | if(osver.dwMajorVersion < majorVersion ||
|
|---|
| 132 | (osver.dwMajorVersion == majorVersion &&
|
|---|
| 133 | osver.dwMinorVersion < minorVersion))
|
|---|
| 134 | matched = TRUE;
|
|---|
| 135 | break;
|
|---|
| 136 |
|
|---|
| 137 | case VERSION_LESS_THAN_EQUAL:
|
|---|
| 138 | if(osver.dwMajorVersion < majorVersion ||
|
|---|
| 139 | (osver.dwMajorVersion == majorVersion &&
|
|---|
| 140 | osver.dwMinorVersion <= minorVersion))
|
|---|
| 141 | matched = TRUE;
|
|---|
| 142 | break;
|
|---|
| 143 |
|
|---|
| 144 | case VERSION_EQUAL:
|
|---|
| 145 | if(osver.dwMajorVersion == majorVersion &&
|
|---|
| 146 | osver.dwMinorVersion == minorVersion)
|
|---|
| 147 | matched = TRUE;
|
|---|
| 148 | break;
|
|---|
| 149 |
|
|---|
| 150 | case VERSION_GREATER_THAN_EQUAL:
|
|---|
| 151 | if(osver.dwMajorVersion > majorVersion ||
|
|---|
| 152 | (osver.dwMajorVersion == majorVersion &&
|
|---|
| 153 | osver.dwMinorVersion >= minorVersion))
|
|---|
| 154 | matched = TRUE;
|
|---|
| 155 | break;
|
|---|
| 156 |
|
|---|
| 157 | case VERSION_GREATER_THAN:
|
|---|
| 158 | if(osver.dwMajorVersion > majorVersion ||
|
|---|
| 159 | (osver.dwMajorVersion == majorVersion &&
|
|---|
| 160 | osver.dwMinorVersion > minorVersion))
|
|---|
| 161 | matched = TRUE;
|
|---|
| 162 | break;
|
|---|
| 163 | }
|
|---|
| 164 |
|
|---|
| 165 | /* Verify the platform identifier (if necessary) */
|
|---|
| 166 | if(matched) {
|
|---|
| 167 | switch(platform) {
|
|---|
| 168 | case PLATFORM_WINDOWS:
|
|---|
| 169 | if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
|
|---|
| 170 | matched = FALSE;
|
|---|
| 171 | break;
|
|---|
| 172 |
|
|---|
| 173 | case PLATFORM_WINNT:
|
|---|
| 174 | if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT)
|
|---|
| 175 | matched = FALSE;
|
|---|
| 176 |
|
|---|
| 177 | default: /* like platform == PLATFORM_DONT_CARE */
|
|---|
| 178 | break;
|
|---|
| 179 | }
|
|---|
| 180 | }
|
|---|
| 181 | }
|
|---|
| 182 | #else
|
|---|
| 183 | ULONGLONG cm = 0;
|
|---|
| 184 | OSVERSIONINFOEX osver;
|
|---|
| 185 | BYTE majorCondition;
|
|---|
| 186 | BYTE minorCondition;
|
|---|
| 187 | BYTE spMajorCondition;
|
|---|
| 188 | BYTE spMinorCondition;
|
|---|
| 189 |
|
|---|
| 190 | switch(condition) {
|
|---|
| 191 | case VERSION_LESS_THAN:
|
|---|
| 192 | majorCondition = VER_LESS;
|
|---|
| 193 | minorCondition = VER_LESS;
|
|---|
| 194 | spMajorCondition = VER_LESS_EQUAL;
|
|---|
| 195 | spMinorCondition = VER_LESS_EQUAL;
|
|---|
| 196 | break;
|
|---|
| 197 |
|
|---|
| 198 | case VERSION_LESS_THAN_EQUAL:
|
|---|
| 199 | majorCondition = VER_LESS_EQUAL;
|
|---|
| 200 | minorCondition = VER_LESS_EQUAL;
|
|---|
| 201 | spMajorCondition = VER_LESS_EQUAL;
|
|---|
| 202 | spMinorCondition = VER_LESS_EQUAL;
|
|---|
| 203 | break;
|
|---|
| 204 |
|
|---|
| 205 | case VERSION_EQUAL:
|
|---|
| 206 | majorCondition = VER_EQUAL;
|
|---|
| 207 | minorCondition = VER_EQUAL;
|
|---|
| 208 | spMajorCondition = VER_GREATER_EQUAL;
|
|---|
| 209 | spMinorCondition = VER_GREATER_EQUAL;
|
|---|
| 210 | break;
|
|---|
| 211 |
|
|---|
| 212 | case VERSION_GREATER_THAN_EQUAL:
|
|---|
| 213 | majorCondition = VER_GREATER_EQUAL;
|
|---|
| 214 | minorCondition = VER_GREATER_EQUAL;
|
|---|
| 215 | spMajorCondition = VER_GREATER_EQUAL;
|
|---|
| 216 | spMinorCondition = VER_GREATER_EQUAL;
|
|---|
| 217 | break;
|
|---|
| 218 |
|
|---|
| 219 | case VERSION_GREATER_THAN:
|
|---|
| 220 | majorCondition = VER_GREATER;
|
|---|
| 221 | minorCondition = VER_GREATER;
|
|---|
| 222 | spMajorCondition = VER_GREATER_EQUAL;
|
|---|
| 223 | spMinorCondition = VER_GREATER_EQUAL;
|
|---|
| 224 | break;
|
|---|
| 225 |
|
|---|
| 226 | default:
|
|---|
| 227 | return FALSE;
|
|---|
| 228 | }
|
|---|
| 229 |
|
|---|
| 230 | memset(&osver, 0, sizeof(osver));
|
|---|
| 231 | osver.dwOSVersionInfoSize = sizeof(osver);
|
|---|
| 232 | osver.dwMajorVersion = majorVersion;
|
|---|
| 233 | osver.dwMinorVersion = minorVersion;
|
|---|
| 234 | if(platform == PLATFORM_WINDOWS)
|
|---|
| 235 | osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
|
|---|
| 236 | else if(platform == PLATFORM_WINNT)
|
|---|
| 237 | osver.dwPlatformId = VER_PLATFORM_WIN32_NT;
|
|---|
| 238 |
|
|---|
| 239 | cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition);
|
|---|
| 240 | cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition);
|
|---|
| 241 | cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition);
|
|---|
| 242 | cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition);
|
|---|
| 243 | if(platform != PLATFORM_DONT_CARE)
|
|---|
| 244 | cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
|
|---|
| 245 |
|
|---|
| 246 | if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
|
|---|
| 247 | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
|
|---|
| 248 | cm))
|
|---|
| 249 | matched = TRUE;
|
|---|
| 250 | #endif
|
|---|
| 251 |
|
|---|
| 252 | return matched;
|
|---|
| 253 | }
|
|---|
| 254 |
|
|---|
| 255 | #if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
|
|---|
| 256 | defined(USE_WINSOCK))
|
|---|
| 257 |
|
|---|
| 258 | /*
|
|---|
| 259 | * Curl_load_library()
|
|---|
| 260 | *
|
|---|
| 261 | * This is used to dynamically load DLLs using the most secure method available
|
|---|
| 262 | * for the version of Windows that we are running on.
|
|---|
| 263 | *
|
|---|
| 264 | * Parameters:
|
|---|
| 265 | *
|
|---|
| 266 | * filename [in] - The filename or full path of the DLL to load. If only the
|
|---|
| 267 | * filename is passed then the DLL will be loaded from the
|
|---|
| 268 | * Windows system directory.
|
|---|
| 269 | *
|
|---|
| 270 | * Returns the handle of the module on success; otherwise NULL.
|
|---|
| 271 | */
|
|---|
| 272 | HMODULE Curl_load_library(LPCTSTR filename)
|
|---|
| 273 | {
|
|---|
| 274 | HMODULE hModule = NULL;
|
|---|
| 275 | LOADLIBRARYEX_FN pLoadLibraryEx = NULL;
|
|---|
| 276 |
|
|---|
| 277 | /* Get a handle to kernel32 so we can access it's functions at runtime */
|
|---|
| 278 | HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32"));
|
|---|
| 279 | if(!hKernel32)
|
|---|
| 280 | return NULL;
|
|---|
| 281 |
|
|---|
| 282 | /* Attempt to find LoadLibraryEx() which is only available on Windows 2000
|
|---|
| 283 | and above */
|
|---|
| 284 | pLoadLibraryEx =
|
|---|
| 285 | CURLX_FUNCTION_CAST(LOADLIBRARYEX_FN,
|
|---|
| 286 | (GetProcAddress(hKernel32, LOADLIBARYEX)));
|
|---|
| 287 |
|
|---|
| 288 | /* Detect if there's already a path in the filename and load the library if
|
|---|
| 289 | there is. Note: Both back slashes and forward slashes have been supported
|
|---|
| 290 | since the earlier days of DOS at an API level although they are not
|
|---|
| 291 | supported by command prompt */
|
|---|
| 292 | if(_tcspbrk(filename, TEXT("\\/"))) {
|
|---|
| 293 | /** !checksrc! disable BANNEDFUNC 1 **/
|
|---|
| 294 | hModule = pLoadLibraryEx ?
|
|---|
| 295 | pLoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
|
|---|
| 296 | LoadLibrary(filename);
|
|---|
| 297 | }
|
|---|
| 298 | /* Detect if KB2533623 is installed, as LOAD_LIBARY_SEARCH_SYSTEM32 is only
|
|---|
| 299 | supported on Windows Vista, Windows Server 2008, Windows 7 and Windows
|
|---|
| 300 | Server 2008 R2 with this patch or natively on Windows 8 and above */
|
|---|
| 301 | else if(pLoadLibraryEx && GetProcAddress(hKernel32, "AddDllDirectory")) {
|
|---|
| 302 | /* Load the DLL from the Windows system directory */
|
|---|
| 303 | hModule = pLoadLibraryEx(filename, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
|
|---|
| 304 | }
|
|---|
| 305 | else {
|
|---|
| 306 | /* Attempt to get the Windows system path */
|
|---|
| 307 | UINT systemdirlen = GetSystemDirectory(NULL, 0);
|
|---|
| 308 | if(systemdirlen) {
|
|---|
| 309 | /* Allocate space for the full DLL path (Room for the null terminator
|
|---|
| 310 | is included in systemdirlen) */
|
|---|
| 311 | size_t filenamelen = _tcslen(filename);
|
|---|
| 312 | TCHAR *path = malloc(sizeof(TCHAR) * (systemdirlen + 1 + filenamelen));
|
|---|
| 313 | if(path && GetSystemDirectory(path, systemdirlen)) {
|
|---|
| 314 | /* Calculate the full DLL path */
|
|---|
| 315 | _tcscpy(path + _tcslen(path), TEXT("\\"));
|
|---|
| 316 | _tcscpy(path + _tcslen(path), filename);
|
|---|
| 317 |
|
|---|
| 318 | /* Load the DLL from the Windows system directory */
|
|---|
| 319 | /** !checksrc! disable BANNEDFUNC 1 **/
|
|---|
| 320 | hModule = pLoadLibraryEx ?
|
|---|
| 321 | pLoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
|
|---|
| 322 | LoadLibrary(path);
|
|---|
| 323 |
|
|---|
| 324 | }
|
|---|
| 325 | free(path);
|
|---|
| 326 | }
|
|---|
| 327 | }
|
|---|
| 328 |
|
|---|
| 329 | return hModule;
|
|---|
| 330 | }
|
|---|
| 331 |
|
|---|
| 332 | #endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */
|
|---|
| 333 |
|
|---|
| 334 | #endif /* WIN32 */
|
|---|
