char* GetCombinedPath(const char* basePath, const char* subPath)
{
int length;
HRESULT status;
char* path = NULL;
char* subPathCpy;
int basePathLength = 0;
int subPathLength = 0;
if (basePath)
basePathLength = strlen(basePath);
if (subPath)
subPathLength = strlen(subPath);
length = basePathLength + subPathLength + 1;
path = (char*) malloc(length + 1);
if (!path)
return NULL;
if (basePath)
CopyMemory(path, basePath, basePathLength);
path[basePathLength] = '\0';
if (FAILED(PathCchConvertStyleA(path, basePathLength, PATH_STYLE_NATIVE)))
{
free(path);
return NULL;
}
if (!subPath)
return path;
subPathCpy = _strdup(subPath);
if (!subPathCpy)
{
free(path);
return NULL;
}
if (FAILED(PathCchConvertStyleA(subPathCpy, subPathLength, PATH_STYLE_NATIVE)))
{
free(path);
free(subPathCpy);
return NULL;
}
status = NativePathCchAppendA(path, length + 1, subPathCpy);
free(subPathCpy);
if (FAILED(status))
{
free(path);
return NULL;
}
else
return path;
}
int TestLibraryLoadLibrary(int argc, char* argv[])
{
HINSTANCE library;
LPCSTR SharedLibraryExtension;
CHAR LibraryPath[PATHCCH_MAX_CCH];
PCHAR p;
if (!GetModuleFileNameA(NULL, LibraryPath, PATHCCH_MAX_CCH))
{
printf("%s: GetModuleFilenameA failed: 0x%08"PRIX32"\n", __FUNCTION__, GetLastError());
return -1;
}
/* PathCchRemoveFileSpec is not implemented in WinPR */
if (!(p = strrchr(LibraryPath, PathGetSeparatorA(PATH_STYLE_NATIVE))))
{
printf("%s: Error identifying module directory path\n", __FUNCTION__);
return -1;
}
*p = 0;
NativePathCchAppendA(LibraryPath, PATHCCH_MAX_CCH, "TestLibraryA");
SharedLibraryExtension = PathGetSharedLibraryExtensionA(PATH_SHARED_LIB_EXT_WITH_DOT);
NativePathCchAddExtensionA(LibraryPath, PATHCCH_MAX_CCH, SharedLibraryExtension);
printf("%s: Loading Library: '%s'\n", __FUNCTION__, LibraryPath);
if (!(library = LoadLibraryA(LibraryPath)))
{
printf("%s: LoadLibraryA failure: 0x%08"PRIX32"\n", __FUNCTION__, GetLastError());
return -1;
}
if (!FreeLibrary(library))
{
printf("%s: FreeLibrary failure: 0x%08"PRIX32"\n", __FUNCTION__, GetLastError());
return -1;
}
return 0;
}
LPSTR freerdp_get_dynamic_addin_install_path(void)
{
LPSTR pszPath;
size_t cchPath;
size_t cchAddinPath;
size_t cchInstallPrefix;
BOOL needLibPath, needInstallPath;
LPCSTR pszAddinPath = FREERDP_ADDIN_PATH;
LPCSTR pszInstallPrefix = FREERDP_INSTALL_PREFIX;
cchAddinPath = strlen(pszAddinPath) + 1;
cchInstallPrefix = strlen(pszInstallPrefix) + 1;
cchPath = cchInstallPrefix + cchAddinPath;
needInstallPath = is_path_required(pszInstallPrefix, cchInstallPrefix);
needLibPath = is_path_required(pszAddinPath, cchAddinPath);
if (!needInstallPath && !needLibPath)
return NULL;
pszPath = (LPSTR) calloc(cchPath + 1, sizeof(CHAR));
if (!pszPath)
return NULL;
if (needInstallPath)
{
CopyMemory(pszPath, pszInstallPrefix, cchInstallPrefix);
pszPath[cchInstallPrefix] = '\0';
}
if (needLibPath)
{
if (FAILED(NativePathCchAppendA(pszPath, cchPath + 1, pszAddinPath)))
{
free(pszPath);
return NULL;
}
}
return pszPath;
}
LPSTR freerdp_get_library_install_path(void)
{
LPSTR pszPath;
size_t cchPath;
size_t cchLibraryPath;
size_t cchInstallPrefix;
BOOL needLibPath, needInstallPath;
LPCSTR pszLibraryPath = FREERDP_LIBRARY_PATH;
LPCSTR pszInstallPrefix = FREERDP_INSTALL_PREFIX;
cchLibraryPath = strlen(pszLibraryPath) + 1;
cchInstallPrefix = strlen(pszInstallPrefix) + 1;
cchPath = cchInstallPrefix + cchLibraryPath;
needInstallPath = is_path_required(pszInstallPrefix, cchInstallPrefix);
needLibPath = is_path_required(pszLibraryPath, cchLibraryPath);
if (!needInstallPath && !needLibPath)
return NULL;
pszPath = (LPSTR) malloc(cchPath + 1);
if (!pszPath)
return NULL;
if (needInstallPath)
{
CopyMemory(pszPath, pszInstallPrefix, cchInstallPrefix);
pszPath[cchInstallPrefix] = '\0';
}
if (needLibPath)
{
if (FAILED(NativePathCchAppendA(pszPath, cchPath + 1, pszLibraryPath)))
{
free(pszPath);
return NULL;
}
}
return pszPath;
}
LPSTR freerdp_get_dynamic_addin_install_path()
{
LPSTR pszPath;
size_t cchPath;
size_t cchAddinPath;
size_t cchInstallPrefix;
LPCSTR pszAddinPath = FREERDP_ADDIN_PATH;
LPCSTR pszInstallPrefix = FREERDP_INSTALL_PREFIX;
cchAddinPath = strlen(pszAddinPath);
cchInstallPrefix = strlen(pszInstallPrefix);
cchPath = cchInstallPrefix + cchAddinPath + 2;
pszPath = (LPSTR) malloc(cchPath + 1);
CopyMemory(pszPath, pszInstallPrefix, cchInstallPrefix);
pszPath[cchInstallPrefix] = '\0';
NativePathCchAppendA(pszPath, cchPath + 1, pszAddinPath);
return pszPath;
}
LPSTR freerdp_get_library_install_path()
{
LPSTR pszPath;
size_t cchPath;
size_t cchLibraryPath;
size_t cchInstallPrefix;
LPCSTR pszLibraryPath = FREERDP_LIBRARY_PATH;
LPCSTR pszInstallPrefix = FREERDP_INSTALL_PREFIX;
cchLibraryPath = strlen(pszLibraryPath);
cchInstallPrefix = strlen(pszInstallPrefix);
cchPath = cchInstallPrefix + cchLibraryPath + 2;
pszPath = (LPSTR) malloc(cchPath + 1);
CopyMemory(pszPath, pszInstallPrefix, cchInstallPrefix);
pszPath[cchInstallPrefix] = '\0';
NativePathCchAppendA(pszPath, cchPath + 1, pszLibraryPath);
return pszPath;
}
void* freerdp_load_dynamic_addin(LPCSTR pszFileName, LPCSTR pszPath, LPCSTR pszEntryName)
{
void* entry;
BOOL bHasExt;
PCSTR pszExt;
size_t cchExt;
HINSTANCE library;
size_t cchFileName;
LPSTR pszFilePath;
size_t cchFilePath;
LPSTR pszAddinFile;
size_t cchAddinFile;
LPSTR pszAddinInstallPath;
size_t cchAddinInstallPath;
entry = NULL;
cchExt = 0;
bHasExt = TRUE;
cchFileName = strlen(pszFileName);
if (PathCchFindExtensionA(pszFileName, cchFileName + 1, &pszExt) != S_OK)
{
pszExt = PathGetSharedLibraryExtensionA(PATH_SHARED_LIB_EXT_WITH_DOT);
cchExt = strlen(pszExt);
bHasExt = FALSE;
}
pszAddinInstallPath = freerdp_get_dynamic_addin_install_path();
cchAddinInstallPath = strlen(pszAddinInstallPath);
cchFilePath = cchAddinInstallPath + cchFileName + 32;
pszFilePath = (LPSTR) malloc(cchFilePath + 1);
if (bHasExt)
{
pszAddinFile = _strdup(pszFileName);
cchAddinFile = strlen(pszAddinFile);
}
else
{
cchAddinFile = cchFileName + cchExt + 2;
pszAddinFile = (LPSTR) malloc(cchAddinFile + 1);
sprintf_s(pszAddinFile, cchAddinFile, "%s%s", pszFileName, pszExt);
cchAddinFile = strlen(pszAddinFile);
}
CopyMemory(pszFilePath, pszAddinInstallPath, cchAddinInstallPath);
pszFilePath[cchAddinInstallPath] = '\0';
NativePathCchAppendA((LPSTR) pszFilePath, cchFilePath + 1, pszAddinFile);
library = LoadLibraryA(pszFilePath);
free(pszAddinInstallPath);
free(pszAddinFile);
free(pszFilePath);
if (!library)
return NULL;
entry = GetProcAddress(library, pszEntryName);
if (entry)
return entry;
FreeLibrary(library);
return entry;
}
PVIRTUALCHANNELENTRY freerdp_load_dynamic_addin(LPCSTR pszFileName,
LPCSTR pszPath, LPCSTR pszEntryName)
{
LPSTR pszAddinInstallPath = freerdp_get_dynamic_addin_install_path();
PVIRTUALCHANNELENTRY entry = NULL;
BOOL bHasExt = TRUE;
PCSTR pszExt;
size_t cchExt = 0;
HINSTANCE library = NULL;
size_t cchFileName;
size_t cchFilePath;
LPSTR pszAddinFile = NULL;
LPSTR pszFilePath = NULL;
LPSTR pszRelativeFilePath = NULL;
size_t cchAddinFile;
size_t cchAddinInstallPath;
if (!pszFileName || !pszEntryName)
goto fail;
cchFileName = strlen(pszFileName);
/* Get file name with prefix and extension */
if (FAILED(PathCchFindExtensionA(pszFileName, cchFileName + 1, &pszExt)))
{
pszExt = PathGetSharedLibraryExtensionA(PATH_SHARED_LIB_EXT_WITH_DOT);
cchExt = strlen(pszExt);
bHasExt = FALSE;
}
if (bHasExt)
{
pszAddinFile = _strdup(pszFileName);
if (!pszAddinFile)
goto fail;
}
else
{
cchAddinFile = cchFileName + cchExt + 2 + sizeof(FREERDP_SHARED_LIBRARY_PREFIX);
pszAddinFile = (LPSTR) malloc(cchAddinFile + 1);
if (!pszAddinFile)
goto fail;
sprintf_s(pszAddinFile, cchAddinFile, FREERDP_SHARED_LIBRARY_PREFIX"%s%s",
pszFileName, pszExt);
}
cchAddinFile = strlen(pszAddinFile);
/* If a path is provided prefix the library name with it. */
if (pszPath)
{
size_t relPathLen = strlen(pszPath) + cchAddinFile + 1;
pszRelativeFilePath = calloc(relPathLen, sizeof(CHAR));
if (!pszRelativeFilePath)
goto fail;
sprintf_s(pszRelativeFilePath, relPathLen, "%s", pszRelativeFilePath);
NativePathCchAppendA(pszRelativeFilePath, relPathLen, pszAddinFile);
}
else
pszRelativeFilePath = _strdup(pszAddinFile);
if (!pszRelativeFilePath)
goto fail;
/* If a system prefix path is provided try these locations too. */
if (pszAddinInstallPath)
{
cchAddinInstallPath = strlen(pszAddinInstallPath);
cchFilePath = cchAddinInstallPath + cchFileName + 32;
pszFilePath = (LPSTR) malloc(cchFilePath + 1);
if (!pszFilePath)
goto fail;
CopyMemory(pszFilePath, pszAddinInstallPath, cchAddinInstallPath);
pszFilePath[cchAddinInstallPath] = '\0';
NativePathCchAppendA((LPSTR) pszFilePath, cchFilePath + 1, pszRelativeFilePath);
}
else
pszFilePath = _strdup(pszRelativeFilePath);
library = LoadLibraryA(pszFilePath);
if (!library)
goto fail;
entry = (PVIRTUALCHANNELENTRY)GetProcAddress(library, pszEntryName);
fail:
free(pszRelativeFilePath);
free(pszAddinFile);
free(pszFilePath);
free(pszAddinInstallPath);
if (!entry && library)
FreeLibrary(library);
return entry;
}