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117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/* Copyright (c) 2003-2004, Roger Dingledine
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file uname.c
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* \brief Look up a description of the operating system.
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**/
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#include "orconfig.h"
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#include "lib/osinfo/uname.h"
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#include "lib/string/compat_string.h"
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#include "lib/string/printf.h"
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#ifdef HAVE_UNAME
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#include <sys/utsname.h>
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#endif
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#ifdef _WIN32
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#include <windows.h>
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#endif
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#include <string.h>
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/** Hold the result of our call to <b>uname</b>. */
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static char uname_result[256];
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/** True iff uname_result is set. */
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static int uname_result_is_set = 0;
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/** Return a pointer to a description of our platform.
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*/
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MOCK_IMPL(const char *,
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get_uname,(void))
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{
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#ifdef HAVE_UNAME
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struct utsname u;
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#endif
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if (!uname_result_is_set) {
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#ifdef HAVE_UNAME
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if (uname(&u) != -1) {
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/* (Linux says 0 is success, Solaris says 1 is success) */
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strlcpy(uname_result, u.sysname, sizeof(uname_result));
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} else
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#endif /* defined(HAVE_UNAME) */
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{
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#ifdef _WIN32
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OSVERSIONINFOEX info;
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int i;
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const char *plat = NULL;
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static struct {
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unsigned major; unsigned minor; const char *version;
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} win_version_table[] = {
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{ 6, 2, "Windows 8" },
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{ 6, 1, "Windows 7" },
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{ 6, 0, "Windows Vista" },
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{ 5, 2, "Windows Server 2003" },
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{ 5, 1, "Windows XP" },
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{ 5, 0, "Windows 2000" },
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/* { 4, 0, "Windows NT 4.0" }, */
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{ 4, 90, "Windows Me" },
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{ 4, 10, "Windows 98" },
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/* { 4, 0, "Windows 95" } */
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{ 3, 51, "Windows NT 3.51" },
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{ 0, 0, NULL }
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};
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memset(&info, 0, sizeof(info));
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info.dwOSVersionInfoSize = sizeof(info);
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if (! GetVersionEx((LPOSVERSIONINFO)&info)) {
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strlcpy(uname_result, "Bizarre version of Windows where GetVersionEx"
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" doesn't work.", sizeof(uname_result));
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uname_result_is_set = 1;
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return uname_result;
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}
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if (info.dwMajorVersion == 4 && info.dwMinorVersion == 0) {
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if (info.dwPlatformId == VER_PLATFORM_WIN32_NT)
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plat = "Windows NT 4.0";
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else
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plat = "Windows 95";
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} else {
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for (i=0; win_version_table[i].major>0; ++i) {
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if (win_version_table[i].major == info.dwMajorVersion &&
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win_version_table[i].minor == info.dwMinorVersion) {
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plat = win_version_table[i].version;
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break;
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}
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}
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}
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if (plat) {
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strlcpy(uname_result, plat, sizeof(uname_result));
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} else {
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if (info.dwMajorVersion > 6 ||
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(info.dwMajorVersion==6 && info.dwMinorVersion>2))
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tor_snprintf(uname_result, sizeof(uname_result),
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"Very recent version of Windows [major=%d,minor=%d]",
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(int)info.dwMajorVersion,(int)info.dwMinorVersion);
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else
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tor_snprintf(uname_result, sizeof(uname_result),
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"Unrecognized version of Windows [major=%d,minor=%d]",
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(int)info.dwMajorVersion,(int)info.dwMinorVersion);
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}
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#ifdef VER_NT_SERVER
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if (info.wProductType == VER_NT_SERVER ||
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info.wProductType == VER_NT_DOMAIN_CONTROLLER) {
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strlcat(uname_result, " [server]", sizeof(uname_result));
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}
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#endif /* defined(VER_NT_SERVER) */
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#else /* !(defined(_WIN32)) */
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/* LCOV_EXCL_START -- can't provoke uname failure */
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strlcpy(uname_result, "Unknown platform", sizeof(uname_result));
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/* LCOV_EXCL_STOP */
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#endif /* defined(_WIN32) */
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}
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uname_result_is_set = 1;
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}
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return uname_result;
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}
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