#include "curl_setup.h"
#if defined(WIN32)
#include <curl/curl.h>
#include "system_win32.h"
#include "curl_sspi.h"
#include "warnless.h"
#include "curl_memory.h"
#include "memdebug.h"
LARGE_INTEGER Curl_freq;
bool Curl_isVistaOrGreater;
CURLcode Curl_win32_init(long flags)
{
if(flags & CURL_GLOBAL_WIN32) {
#ifdef USE_WINSOCK
WORD wVersionRequested;
WSADATA wsaData;
int res;
#if defined(ENABLE_IPV6) && (USE_WINSOCK < 2)
#error IPV6_requires_winsock2
#endif
wVersionRequested = MAKEWORD(USE_WINSOCK, USE_WINSOCK);
res = WSAStartup(wVersionRequested, &wsaData);
if(res != 0)
return CURLE_FAILED_INIT;
if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested) ) {
WSACleanup();
return CURLE_FAILED_INIT;
}
#elif defined(USE_LWIPSOCK)
lwip_init();
#endif
}
#ifdef USE_WINDOWS_SSPI
{
CURLcode result = Curl_sspi_global_init();
if(result)
return result;
}
#endif
if(Curl_verify_windows_version(6, 0, PLATFORM_WINNT,
VERSION_GREATER_THAN_EQUAL)) {
Curl_isVistaOrGreater = TRUE;
QueryPerformanceFrequency(&Curl_freq);
}
else
Curl_isVistaOrGreater = FALSE;
return CURLE_OK;
}
void Curl_win32_cleanup(long init_flags)
{
#ifdef USE_WINDOWS_SSPI
Curl_sspi_global_cleanup();
#endif
if(init_flags & CURL_GLOBAL_WIN32) {
#ifdef USE_WINSOCK
WSACleanup();
#endif
}
}
#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
defined(USE_WINSOCK))
#if !defined(LOAD_WITH_ALTERED_SEARCH_PATH)
#define LOAD_WITH_ALTERED_SEARCH_PATH 0x00000008
#endif
#if !defined(LOAD_LIBRARY_SEARCH_SYSTEM32)
#define LOAD_LIBRARY_SEARCH_SYSTEM32 0x00000800
#endif
typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD);
#ifdef UNICODE
# ifdef _WIN32_WCE
# define LOADLIBARYEX L"LoadLibraryExW"
# else
# define LOADLIBARYEX "LoadLibraryExW"
# endif
#else
# define LOADLIBARYEX "LoadLibraryExA"
#endif
#endif
bool Curl_verify_windows_version(const unsigned int majorVersion,
const unsigned int minorVersion,
const PlatformIdentifier platform,
const VersionCondition condition)
{
bool matched = FALSE;
#if defined(CURL_WINDOWS_APP)
const WORD fullVersion = MAKEWORD(minorVersion, majorVersion);
const WORD targetVersion = (WORD)_WIN32_WINNT;
switch(condition) {
case VERSION_LESS_THAN:
matched = targetVersion < fullVersion;
break;
case VERSION_LESS_THAN_EQUAL:
matched = targetVersion <= fullVersion;
break;
case VERSION_EQUAL:
matched = targetVersion == fullVersion;
break;
case VERSION_GREATER_THAN_EQUAL:
matched = targetVersion >= fullVersion;
break;
case VERSION_GREATER_THAN:
matched = targetVersion > fullVersion;
break;
}
if(matched && (platform == PLATFORM_WINDOWS)) {
matched = FALSE;
}
#elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
(_WIN32_WINNT < _WIN32_WINNT_WIN2K)
OSVERSIONINFO osver;
memset(&osver, 0, sizeof(osver));
osver.dwOSVersionInfoSize = sizeof(osver);
if(GetVersionEx(&osver)) {
switch(condition) {
case VERSION_LESS_THAN:
if(osver.dwMajorVersion < majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion < minorVersion))
matched = TRUE;
break;
case VERSION_LESS_THAN_EQUAL:
if(osver.dwMajorVersion < majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion <= minorVersion))
matched = TRUE;
break;
case VERSION_EQUAL:
if(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion == minorVersion)
matched = TRUE;
break;
case VERSION_GREATER_THAN_EQUAL:
if(osver.dwMajorVersion > majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion >= minorVersion))
matched = TRUE;
break;
case VERSION_GREATER_THAN:
if(osver.dwMajorVersion > majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion > minorVersion))
matched = TRUE;
break;
}
if(matched) {
switch(platform) {
case PLATFORM_WINDOWS:
if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
matched = FALSE;
break;
case PLATFORM_WINNT:
if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT)
matched = FALSE;
default:
break;
}
}
}
#else
ULONGLONG cm = 0;
OSVERSIONINFOEX osver;
BYTE majorCondition;
BYTE minorCondition;
BYTE spMajorCondition;
BYTE spMinorCondition;
switch(condition) {
case VERSION_LESS_THAN:
majorCondition = VER_LESS;
minorCondition = VER_LESS;
spMajorCondition = VER_LESS_EQUAL;
spMinorCondition = VER_LESS_EQUAL;
break;
case VERSION_LESS_THAN_EQUAL:
majorCondition = VER_LESS_EQUAL;
minorCondition = VER_LESS_EQUAL;
spMajorCondition = VER_LESS_EQUAL;
spMinorCondition = VER_LESS_EQUAL;
break;
case VERSION_EQUAL:
majorCondition = VER_EQUAL;
minorCondition = VER_EQUAL;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
case VERSION_GREATER_THAN_EQUAL:
majorCondition = VER_GREATER_EQUAL;
minorCondition = VER_GREATER_EQUAL;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
case VERSION_GREATER_THAN:
majorCondition = VER_GREATER;
minorCondition = VER_GREATER;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
default:
return FALSE;
}
memset(&osver, 0, sizeof(osver));
osver.dwOSVersionInfoSize = sizeof(osver);
osver.dwMajorVersion = majorVersion;
osver.dwMinorVersion = minorVersion;
if(platform == PLATFORM_WINDOWS)
osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
else if(platform == PLATFORM_WINNT)
osver.dwPlatformId = VER_PLATFORM_WIN32_NT;
cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition);
cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition);
cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition);
cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition);
if(platform != PLATFORM_DONT_CARE)
cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
cm))
matched = TRUE;
#endif
return matched;
}
#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \
defined(USE_WINSOCK))
HMODULE Curl_load_library(LPCTSTR filename)
{
HMODULE hModule = NULL;
LOADLIBRARYEX_FN pLoadLibraryEx = NULL;
HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32"));
if(!hKernel32)
return NULL;
pLoadLibraryEx =
CURLX_FUNCTION_CAST(LOADLIBRARYEX_FN,
(GetProcAddress(hKernel32, LOADLIBARYEX)));
if(_tcspbrk(filename, TEXT("\\/"))) {
hModule = pLoadLibraryEx ?
pLoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
LoadLibrary(filename);
}
else if(pLoadLibraryEx && GetProcAddress(hKernel32, "AddDllDirectory")) {
hModule = pLoadLibraryEx(filename, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
}
else {
UINT systemdirlen = GetSystemDirectory(NULL, 0);
if(systemdirlen) {
size_t filenamelen = _tcslen(filename);
TCHAR *path = malloc(sizeof(TCHAR) * (systemdirlen + 1 + filenamelen));
if(path && GetSystemDirectory(path, systemdirlen)) {
_tcscpy(path + _tcslen(path), TEXT("\\"));
_tcscpy(path + _tcslen(path), filename);
hModule = pLoadLibraryEx ?
pLoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) :
LoadLibrary(path);
}
free(path);
}
}
return hModule;
}
#endif
#endif