manager.c: Add unit test for Originate app and appdata permissions

This unit test checks that dialplan apps and app data specified
as parameters for the Originate action are allowed with the
permissions the user has.

(cherry picked from commit 89c6557fc1)

main/manager.c

@@ -4942,6 +4942,9 @@ static int app_match(const char *app, const char *data, const char *search)
  */
 static int appdata_match(const char *app, const char *data, const char *search)
 {
+	if (ast_strlen_zero(data)) {
+		return 0;
+	}
 	return !!(strstr(data, search));
 }
 
@@ -4972,7 +4975,7 @@ static int queue_match(const char *app, const char *data, const char *search)
 		AST_APP_ARG(position);
 	);
 
-	if (!strcasestr(app, "queue")) {
+	if (!strcasestr(app, "queue") || ast_strlen_zero(data)) {
 		return 0;
 	}
 
@@ -5044,6 +5047,98 @@ static int is_originate_app_permitted(const char *app, const char *data,
 	return 1;
 }
 
+#ifdef TEST_FRAMEWORK
+#define ALL_PERMISSIONS (INT_MAX)
+#define NO_PERMISSIONS (0)
+AST_TEST_DEFINE(originate_permissions_test)
+{
+	enum ast_test_result_state res = AST_TEST_PASS;
+
+	switch (cmd) {
+	case TEST_INIT:
+		info->name = "originate_permissions_test";
+		info->category = "/main/manager/";
+		info->summary = "Test permissions for originate action";
+		info->description =
+			"Make sure that dialplan apps/functions that need special "
+			"permissions are prohibited if the user doesn't have the permission.";
+		return AST_TEST_NOT_RUN;
+	case TEST_EXECUTE:
+		break;
+	}
+
+	/*
+	 * Check application matching. We don't need to check every one.
+	 * The code is the same.
+	 */
+
+	ast_test_validate(test, is_originate_app_permitted("exec",
+		NULL, EVENT_FLAG_SYSTEM), "exec permission check failed");
+	ast_test_validate(test, is_originate_app_permitted("exec",
+		NULL, EVENT_FLAG_SYSTEM | EVENT_FLAG_AGI), "exec check permission failed");
+	ast_test_validate(test, is_originate_app_permitted("exec",
+		NULL, ALL_PERMISSIONS), "exec check permission failed");
+	ast_test_validate(test, !is_originate_app_permitted("exec",
+		NULL, EVENT_FLAG_AGI), "exec permission check failed");
+	ast_test_validate(test, !is_originate_app_permitted("exec",
+		NULL, EVENT_FLAG_VERBOSE), "exec permission check failed");
+	ast_test_validate(test, !is_originate_app_permitted("exec",
+		NULL, NO_PERMISSIONS), "exec permission check failed");
+
+	/*
+	 * If queue is used with the AGI parameter but without the SYSTEM or AGI
+	 * permission, it should be denied. Queue param order:
+	 * queuename,options,url,announceoverride,queuetimeoutstr,AGI,gosub,rule,position
+	 * The values of the options aren't checked. They just have to be present.
+	 */
+
+	/* AGI not specified should always be allowed */
+	ast_test_validate(test, is_originate_app_permitted("queue",
+		NULL, NO_PERMISSIONS), "Queue permission check failed");
+	ast_test_validate(test, is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,,gosub,rule,666",
+		EVENT_FLAG_ORIGINATE | EVENT_FLAG_HOOKRESPONSE ), "Queue permission check failed");
+
+	/* AGI specified with SYSTEM or AGI permission should be allowed */
+	ast_test_validate(test, is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,SomeAGIScript,gosub,rule,666",
+		EVENT_FLAG_SYSTEM | EVENT_FLAG_HOOKRESPONSE ), "Queue permission check failed");
+	ast_test_validate(test, is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,SomeAGIScript,gosub,rule,666",
+		EVENT_FLAG_AGI | EVENT_FLAG_HOOKRESPONSE ), "Queue permission check failed");
+	ast_test_validate(test, is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,SomeAGIScript,gosub,rule,666",
+		ALL_PERMISSIONS), "Queue permission check failed");
+
+	/* AGI specified without SYSTEM or AGI permission should be denied */
+	ast_test_validate(test, !is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,SomeAGIScript,gosub,rule,666",
+		NO_PERMISSIONS), "Queue permission check failed");
+	ast_test_validate(test, !is_originate_app_permitted("queue",
+		"somequeue,CcdHh,someURL,tt-monkeys,100,SomeAGIScript,gosub,rule,666",
+		EVENT_FLAG_ORIGINATE | EVENT_FLAG_HOOKRESPONSE ), "Queue permission check failed");
+
+	/*
+	 * Check appdata.  The function name can appear anywhere in appdata.
+	 */
+	ast_test_validate(test, is_originate_app_permitted("someapp",
+		"aaaDBbbb", EVENT_FLAG_SYSTEM), "exec permission check failed");
+	ast_test_validate(test, is_originate_app_permitted("someapp",
+		"aaa DB bbb", ALL_PERMISSIONS), "exec permission check failed");
+	ast_test_validate(test, !is_originate_app_permitted("someapp",
+		"aaaDBbbb", NO_PERMISSIONS), "exec permission check failed");
+	ast_test_validate(test, !is_originate_app_permitted("someapp",
+		"aaa DB bbb", NO_PERMISSIONS), "exec permission check failed");
+	/* The check is case-sensitive so although DB is a match, db isn't. */
+	ast_test_validate(test, is_originate_app_permitted("someapp",
+		"aaa db bbb", NO_PERMISSIONS), "exec permission check failed");
+
+	return res;
+}
+#undef ALL_PERMISSIONS
+#undef NO_PERMISSIONS
+#endif
+
 static int action_originate(struct mansession *s, const struct message *m)
 {
 	const char *name = astman_get_header(m, "Channel");
@@ -9246,6 +9341,7 @@ static void manager_shutdown(void)
 #ifdef TEST_FRAMEWORK
 	AST_TEST_UNREGISTER(eventfilter_test_creation);
 	AST_TEST_UNREGISTER(eventfilter_test_matching);
+	AST_TEST_UNREGISTER(originate_permissions_test);
 #endif
 
 	/* This event is not actually transmitted, but causes all TCP sessions to be closed */
@@ -9956,6 +10052,7 @@ static int load_module(void)
 #ifdef TEST_FRAMEWORK
 	AST_TEST_REGISTER(eventfilter_test_creation);
 	AST_TEST_REGISTER(eventfilter_test_matching);
+	AST_TEST_REGISTER(originate_permissions_test);
 #endif
 	return rc;
 }