Fixed #6442: Use cmake to provide source directory for test pem

(cherry picked from commit 70881d3957)

libfreerdp/crypto/test/CMakeLists.txt

@@ -17,6 +17,10 @@ include_directories(${OPENSSL_INCLUDE_DIR})
 
 add_executable(${MODULE_NAME} ${${MODULE_PREFIX}_SRCS})
 
+file(TO_NATIVE_PATH ${CMAKE_CURRENT_SOURCE_DIR} TEST_PATH)
+string(REGEX REPLACE "\\\\" "\\\\\\\\" TEST_PATH ${TEST_PATH})
+
+add_definitions(-DTEST_SOURCE_DIR="${TEST_PATH}")
 target_link_libraries(${MODULE_NAME} freerdp winpr ${OPENSSL_LIBRARIES})
 
 set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}")

libfreerdp/crypto/test/Test_x509_cert_info.c

@@ -33,6 +33,15 @@ static char* certificate_path(void)
 	static const char dirsep = '/';
 #endif
 	static const char filename[] = "Test_x509_cert_info.pem";
+#ifdef TEST_SOURCE_DIR
+	const char* file = TEST_SOURCE_DIR;
+	const size_t flen = sizeof(filename) + sizeof(dirsep) + strlen(file) + sizeof(char);
+	char* result = calloc(1, flen);
+	if (!result)
+		return NULL;
+	_snprintf(result, flen - 1, "%s%c%s", file, dirsep, filename);
+	return result;
+#else
 	const char* file = __FILE__;
 	const char* last_dirsep = strrchr(file, dirsep);
 
@@ -52,6 +61,7 @@ static char* certificate_path(void)
 		/* No dirsep => relative path in same directory */
 		return _strdup(filename);
 	}
+#endif
 }
 
 static const certificate_test_t certificate_tests[] = {