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Merge pull request #1821 from bmiklautz/fix/fdsapi_load

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wtsapi: library loading consolidation and fallback
This commit is contained in:
Marc-André Moreau 2014-04-28 12:40:44 -04:00
commit 41fe20a960
1 changed files with 34 additions and 32 deletions
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66
winpr/libwinpr/wtsapi/wtsapi.c
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@ -397,37 +397,46 @@ BOOL WTSRegisterWtsApiFunctionTable(PWtsApiFunctionTable table)
return TRUE;
}
static BOOL LoadAndInitialize(char *library)
{
INIT_WTSAPI_FN pInitWtsApi;
g_WtsApiModule = LoadLibraryA(library);
if (!g_WtsApiModule)
return FALSE;
pInitWtsApi = (INIT_WTSAPI_FN) GetProcAddress(g_WtsApiModule, "InitWtsApi");
if (!pInitWtsApi)
{
return FALSE;
}
g_WtsApi = pInitWtsApi();
return TRUE;
}
void InitializeWtsApiStubs_Env()
{
DWORD nSize;
char* env = NULL;
INIT_WTSAPI_FN pInitWtsApi;
if (g_WtsApi)
return;
nSize = GetEnvironmentVariableA("WTSAPI_LIBRARY", NULL, 0);
if (nSize)
if (!nSize)
{
env = (LPSTR) malloc(nSize);
nSize = GetEnvironmentVariableA("WTSAPI_LIBRARY", env, nSize);
}
if (env)
g_WtsApiModule = LoadLibraryA(env);
if (!g_WtsApiModule)
return;
pInitWtsApi = (INIT_WTSAPI_FN) GetProcAddress(g_WtsApiModule, "InitWtsApi");
if (pInitWtsApi)
{
g_WtsApi = pInitWtsApi();
}
env = (LPSTR) malloc(nSize);
nSize = GetEnvironmentVariableA("WTSAPI_LIBRARY", env, nSize);
if (env)
LoadAndInitialize(env);
}
#define FREERDS_LIBRARY_NAME "libfreerds-fdsapi.so"
void InitializeWtsApiStubs_FreeRDS()
{
char* prefix;
@ -441,13 +450,16 @@ void InitializeWtsApiStubs_FreeRDS()
if (IniFile_Parse(ini, "/var/run/freerds.instance") < 0)
{
printf("failed to parse freerds.instance\n");
IniFile_Free(ini);
fprintf(stderr, "failed to parse freerds.instance\n");
LoadAndInitialize(FREERDS_LIBRARY_NAME);
return;
}
prefix = IniFile_GetKeyValueString(ini, "FreeRDS", "prefix");
libdir = IniFile_GetKeyValueString(ini, "FreeRDS", "libdir");
printf("FreeRDS: %s / %s\n", prefix, libdir);
fprintf(stderr, "FreeRDS (prefix / libdir): %s / %s\n", prefix, libdir);
if (prefix && libdir)
{
@ -455,23 +467,11 @@ void InitializeWtsApiStubs_FreeRDS()
char* wtsapi_library;
prefix_libdir = GetCombinedPath(prefix, libdir);
wtsapi_library = GetCombinedPath(prefix_libdir, "libfreerds-fdsapi.so");
wtsapi_library = GetCombinedPath(prefix_libdir, FREERDS_LIBRARY_NAME);
if (wtsapi_library)
{
INIT_WTSAPI_FN pInitWtsApi;
g_WtsApiModule = LoadLibraryA(wtsapi_library);
if (g_WtsApiModule)
{
pInitWtsApi = (INIT_WTSAPI_FN) GetProcAddress(g_WtsApiModule, "InitWtsApi");
if (pInitWtsApi)
{
g_WtsApi = pInitWtsApi();
}
}
LoadAndInitialize(wtsapi_library);
}
free(prefix_libdir);
@ -492,4 +492,6 @@ void InitializeWtsApiStubs(void)
if (!g_WtsApi)
InitializeWtsApiStubs_FreeRDS();
return;
}