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