| 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) Steve Holme, <[email protected]>.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | * SPDX-License-Identifier: curl
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| 22 | *
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| 23 | ***************************************************************************/
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| 24 |
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| 25 | #include "curl_setup.h"
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| 26 |
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| 27 | #if defined(_WIN32)
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| 28 |
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| 29 | #include <curl/curl.h>
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| 30 | #include "version_win32.h"
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| 31 | #include "warnless.h"
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| 32 |
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| 33 | /* The last 2 #include files should be in this order */
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| 34 | #ifdef BUILDING_LIBCURL
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| 35 | #include "curl_memory.h"
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| 36 | #endif
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| 37 | #include "memdebug.h"
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| 38 |
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| 39 | /* This Unicode version struct works for VerifyVersionInfoW (OSVERSIONINFOEXW)
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| 40 | and RtlVerifyVersionInfo (RTLOSVERSIONINFOEXW) */
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| 41 | struct OUR_OSVERSIONINFOEXW {
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| 42 | ULONG dwOSVersionInfoSize;
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| 43 | ULONG dwMajorVersion;
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| 44 | ULONG dwMinorVersion;
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| 45 | ULONG dwBuildNumber;
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| 46 | ULONG dwPlatformId;
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| 47 | WCHAR szCSDVersion[128];
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| 48 | USHORT wServicePackMajor;
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| 49 | USHORT wServicePackMinor;
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| 50 | USHORT wSuiteMask;
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| 51 | UCHAR wProductType;
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| 52 | UCHAR wReserved;
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| 53 | };
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| 54 |
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| 55 | /*
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| 56 | * curlx_verify_windows_version()
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| 57 | *
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| 58 | * This is used to verify if we are running on a specific Windows version.
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| 59 | *
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| 60 | * Parameters:
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| 61 | *
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| 62 | * majorVersion [in] - The major version number.
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| 63 | * minorVersion [in] - The minor version number.
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| 64 | * buildVersion [in] - The build version number. If 0, this parameter is
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| 65 | * ignored.
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| 66 | * platform [in] - The optional platform identifier.
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| 67 | * condition [in] - The test condition used to specifier whether we are
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| 68 | * checking a version less than, equal to or greater than
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| 69 | * what is specified in the major and minor version
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| 70 | * numbers.
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| 71 | *
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| 72 | * Returns TRUE if matched; otherwise FALSE.
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| 73 | */
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| 74 | bool curlx_verify_windows_version(const unsigned int majorVersion,
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| 75 | const unsigned int minorVersion,
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| 76 | const unsigned int buildVersion,
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| 77 | const PlatformIdentifier platform,
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| 78 | const VersionCondition condition)
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| 79 | {
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| 80 | bool matched = FALSE;
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| 81 |
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| 82 | #if defined(CURL_WINDOWS_UWP)
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| 83 | /* We have no way to determine the Windows version from Windows apps,
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| 84 | so let's assume we are running on the target Windows version. */
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| 85 | const WORD fullVersion = MAKEWORD(minorVersion, majorVersion);
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| 86 | const WORD targetVersion = (WORD)_WIN32_WINNT;
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| 87 |
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| 88 | (void)buildVersion;
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| 89 |
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| 90 | switch(condition) {
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| 91 | case VERSION_LESS_THAN:
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| 92 | matched = targetVersion < fullVersion;
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| 93 | break;
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| 94 |
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| 95 | case VERSION_LESS_THAN_EQUAL:
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| 96 | matched = targetVersion <= fullVersion;
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| 97 | break;
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| 98 |
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| 99 | case VERSION_EQUAL:
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| 100 | matched = targetVersion == fullVersion;
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| 101 | break;
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| 102 |
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| 103 | case VERSION_GREATER_THAN_EQUAL:
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| 104 | matched = targetVersion >= fullVersion;
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| 105 | break;
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| 106 |
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| 107 | case VERSION_GREATER_THAN:
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| 108 | matched = targetVersion > fullVersion;
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| 109 | break;
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| 110 | }
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| 111 |
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| 112 | if(matched && (platform == PLATFORM_WINDOWS)) {
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| 113 | /* we are always running on PLATFORM_WINNT */
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| 114 | matched = FALSE;
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| 115 | }
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| 116 | #elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
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| 117 | (_WIN32_WINNT < _WIN32_WINNT_WIN2K)
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| 118 | OSVERSIONINFO osver;
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| 119 |
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| 120 | memset(&osver, 0, sizeof(osver));
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| 121 | osver.dwOSVersionInfoSize = sizeof(osver);
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| 122 |
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| 123 | /* Find out Windows version */
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| 124 | if(GetVersionEx(&osver)) {
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| 125 | /* Verify the Operating System version number */
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| 126 | switch(condition) {
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| 127 | case VERSION_LESS_THAN:
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| 128 | if(osver.dwMajorVersion < majorVersion ||
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| 129 | (osver.dwMajorVersion == majorVersion &&
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| 130 | osver.dwMinorVersion < minorVersion) ||
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| 131 | (buildVersion != 0 &&
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| 132 | (osver.dwMajorVersion == majorVersion &&
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| 133 | osver.dwMinorVersion == minorVersion &&
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| 134 | osver.dwBuildNumber < buildVersion)))
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| 135 | matched = TRUE;
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| 136 | break;
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| 137 |
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| 138 | case VERSION_LESS_THAN_EQUAL:
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| 139 | if(osver.dwMajorVersion < majorVersion ||
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| 140 | (osver.dwMajorVersion == majorVersion &&
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| 141 | osver.dwMinorVersion < minorVersion) ||
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| 142 | (osver.dwMajorVersion == majorVersion &&
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| 143 | osver.dwMinorVersion == minorVersion &&
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| 144 | (buildVersion == 0 ||
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| 145 | osver.dwBuildNumber <= buildVersion)))
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| 146 | matched = TRUE;
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| 147 | break;
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| 148 |
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| 149 | case VERSION_EQUAL:
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| 150 | if(osver.dwMajorVersion == majorVersion &&
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| 151 | osver.dwMinorVersion == minorVersion &&
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| 152 | (buildVersion == 0 ||
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| 153 | osver.dwBuildNumber == buildVersion))
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| 154 | matched = TRUE;
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| 155 | break;
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| 156 |
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| 157 | case VERSION_GREATER_THAN_EQUAL:
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| 158 | if(osver.dwMajorVersion > majorVersion ||
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| 159 | (osver.dwMajorVersion == majorVersion &&
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| 160 | osver.dwMinorVersion > minorVersion) ||
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| 161 | (osver.dwMajorVersion == majorVersion &&
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| 162 | osver.dwMinorVersion == minorVersion &&
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| 163 | (buildVersion == 0 ||
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| 164 | osver.dwBuildNumber >= buildVersion)))
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| 165 | matched = TRUE;
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| 166 | break;
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| 167 |
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| 168 | case VERSION_GREATER_THAN:
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| 169 | if(osver.dwMajorVersion > majorVersion ||
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| 170 | (osver.dwMajorVersion == majorVersion &&
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| 171 | osver.dwMinorVersion > minorVersion) ||
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| 172 | (buildVersion != 0 &&
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| 173 | (osver.dwMajorVersion == majorVersion &&
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| 174 | osver.dwMinorVersion == minorVersion &&
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| 175 | osver.dwBuildNumber > buildVersion)))
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| 176 | matched = TRUE;
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| 177 | break;
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| 178 | }
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| 179 |
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| 180 | /* Verify the platform identifier (if necessary) */
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| 181 | if(matched) {
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| 182 | switch(platform) {
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| 183 | case PLATFORM_WINDOWS:
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| 184 | if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
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| 185 | matched = FALSE;
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| 186 | break;
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| 187 |
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| 188 | case PLATFORM_WINNT:
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| 189 | if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT)
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| 190 | matched = FALSE;
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| 191 | break;
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| 192 |
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| 193 | default: /* like platform == PLATFORM_DONT_CARE */
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| 194 | break;
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| 195 | }
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| 196 | }
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| 197 | }
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| 198 | #else
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| 199 | ULONGLONG cm = 0;
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| 200 | struct OUR_OSVERSIONINFOEXW osver;
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| 201 | BYTE majorCondition;
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| 202 | BYTE minorCondition;
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| 203 | BYTE buildCondition;
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| 204 | BYTE spMajorCondition;
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| 205 | BYTE spMinorCondition;
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| 206 | DWORD dwTypeMask = VER_MAJORVERSION | VER_MINORVERSION |
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| 207 | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR;
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| 208 |
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| 209 | typedef LONG (APIENTRY *RTLVERIFYVERSIONINFO_FN)
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| 210 | (struct OUR_OSVERSIONINFOEXW *, ULONG, ULONGLONG);
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| 211 | static RTLVERIFYVERSIONINFO_FN pRtlVerifyVersionInfo;
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| 212 | static bool onetime = TRUE; /* safe because first call is during init */
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| 213 |
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| 214 | if(onetime) {
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| 215 | pRtlVerifyVersionInfo = CURLX_FUNCTION_CAST(RTLVERIFYVERSIONINFO_FN,
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| 216 | (GetProcAddress(GetModuleHandleA("ntdll"), "RtlVerifyVersionInfo")));
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| 217 | onetime = FALSE;
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| 218 | }
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| 219 |
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| 220 | switch(condition) {
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| 221 | case VERSION_LESS_THAN:
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| 222 | majorCondition = VER_LESS;
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| 223 | minorCondition = VER_LESS;
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| 224 | buildCondition = VER_LESS;
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| 225 | spMajorCondition = VER_LESS_EQUAL;
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| 226 | spMinorCondition = VER_LESS_EQUAL;
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| 227 | break;
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| 228 |
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| 229 | case VERSION_LESS_THAN_EQUAL:
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| 230 | majorCondition = VER_LESS_EQUAL;
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| 231 | minorCondition = VER_LESS_EQUAL;
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| 232 | buildCondition = VER_LESS_EQUAL;
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| 233 | spMajorCondition = VER_LESS_EQUAL;
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| 234 | spMinorCondition = VER_LESS_EQUAL;
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| 235 | break;
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| 236 |
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| 237 | case VERSION_EQUAL:
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| 238 | majorCondition = VER_EQUAL;
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| 239 | minorCondition = VER_EQUAL;
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| 240 | buildCondition = VER_EQUAL;
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| 241 | spMajorCondition = VER_GREATER_EQUAL;
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| 242 | spMinorCondition = VER_GREATER_EQUAL;
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| 243 | break;
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| 244 |
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| 245 | case VERSION_GREATER_THAN_EQUAL:
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| 246 | majorCondition = VER_GREATER_EQUAL;
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| 247 | minorCondition = VER_GREATER_EQUAL;
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| 248 | buildCondition = VER_GREATER_EQUAL;
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| 249 | spMajorCondition = VER_GREATER_EQUAL;
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| 250 | spMinorCondition = VER_GREATER_EQUAL;
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| 251 | break;
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| 252 |
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| 253 | case VERSION_GREATER_THAN:
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| 254 | majorCondition = VER_GREATER;
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| 255 | minorCondition = VER_GREATER;
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| 256 | buildCondition = VER_GREATER;
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| 257 | spMajorCondition = VER_GREATER_EQUAL;
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| 258 | spMinorCondition = VER_GREATER_EQUAL;
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| 259 | break;
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| 260 |
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| 261 | default:
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| 262 | return FALSE;
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| 263 | }
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| 264 |
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| 265 | memset(&osver, 0, sizeof(osver));
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| 266 | osver.dwOSVersionInfoSize = sizeof(osver);
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| 267 | osver.dwMajorVersion = majorVersion;
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| 268 | osver.dwMinorVersion = minorVersion;
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| 269 | osver.dwBuildNumber = buildVersion;
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| 270 | if(platform == PLATFORM_WINDOWS)
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| 271 | osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
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| 272 | else if(platform == PLATFORM_WINNT)
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| 273 | osver.dwPlatformId = VER_PLATFORM_WIN32_NT;
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| 274 |
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| 275 | cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition);
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| 276 | cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition);
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| 277 | cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition);
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| 278 | cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition);
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| 279 |
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| 280 | if(platform != PLATFORM_DONT_CARE) {
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| 281 | cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
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| 282 | dwTypeMask |= VER_PLATFORMID;
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| 283 | }
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| 284 |
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| 285 | /* Later versions of Windows have version functions that may not return the
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| 286 | real version of Windows unless the application is so manifested. We prefer
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| 287 | the real version always, so we use the Rtl variant of the function when
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| 288 | possible. Note though the function signatures have underlying fundamental
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| 289 | types that are the same, the return values are different. */
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| 290 | if(pRtlVerifyVersionInfo)
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| 291 | matched = !pRtlVerifyVersionInfo(&osver, dwTypeMask, cm);
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| 292 | else
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| 293 | matched = !!VerifyVersionInfoW((OSVERSIONINFOEXW *)&osver, dwTypeMask, cm);
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| 294 |
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| 295 | /* Compare the build number separately. VerifyVersionInfo normally compares
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| 296 | major.minor in hierarchical order (eg 1.9 is less than 2.0) but does not
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| 297 | do the same for build (eg 1.9 build 222 is not less than 2.0 build 111).
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| 298 | Build comparison is only needed when build numbers are equal (eg 1.9 is
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| 299 | always less than 2.0 so build comparison is not needed). */
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| 300 | if(matched && buildVersion &&
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| 301 | (condition == VERSION_EQUAL ||
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| 302 | ((condition == VERSION_GREATER_THAN_EQUAL ||
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| 303 | condition == VERSION_LESS_THAN_EQUAL) &&
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| 304 | curlx_verify_windows_version(majorVersion, minorVersion, 0,
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| 305 | platform, VERSION_EQUAL)))) {
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| 306 |
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| 307 | cm = VerSetConditionMask(0, VER_BUILDNUMBER, buildCondition);
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| 308 | dwTypeMask = VER_BUILDNUMBER;
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| 309 | if(pRtlVerifyVersionInfo)
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| 310 | matched = !pRtlVerifyVersionInfo(&osver, dwTypeMask, cm);
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| 311 | else
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| 312 | matched = !!VerifyVersionInfoW((OSVERSIONINFOEXW *)&osver,
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| 313 | dwTypeMask, cm);
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| 314 | }
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| 315 |
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| 316 | #endif
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| 317 |
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| 318 | return matched;
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| 319 | }
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| 320 |
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| 321 | #endif /* _WIN32 */
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