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-rw-r--r--src/libsystemd/sd-bus/bus-error.c18
-rw-r--r--src/libsystemd/sd-bus/test-bus-error.c13
2 files changed, 23 insertions, 8 deletions
diff --git a/src/libsystemd/sd-bus/bus-error.c b/src/libsystemd/sd-bus/bus-error.c
index a99d55c47a..c77eb5fd03 100644
--- a/src/libsystemd/sd-bus/bus-error.c
+++ b/src/libsystemd/sd-bus/bus-error.c
@@ -579,27 +579,29 @@ const char *bus_error_message(const sd_bus_error *e, int error) {
return strerror(error);
}
+static bool map_ok(const sd_bus_error_map *map) {
+ for (; map->code != BUS_ERROR_MAP_END_MARKER; map++)
+ if (!map->name || map->code <=0)
+ return false;
+ return true;
+}
+
_public_ int sd_bus_error_add_map(const sd_bus_error_map *map) {
const sd_bus_error_map **maps = NULL;
unsigned n = 0;
assert_return(map, -EINVAL);
+ assert_return(map_ok(map), -EINVAL);
- if (additional_error_maps) {
- for (;; n++) {
- if (additional_error_maps[n] == NULL)
- break;
-
+ if (additional_error_maps)
+ for (; additional_error_maps[n] != NULL; n++)
if (additional_error_maps[n] == map)
return 0;
- }
- }
maps = realloc_multiply(additional_error_maps, sizeof(struct sd_bus_error_map*), n + 2);
if (!maps)
return -ENOMEM;
-
maps[n] = map;
maps[n+1] = NULL;
diff --git a/src/libsystemd/sd-bus/test-bus-error.c b/src/libsystemd/sd-bus/test-bus-error.c
index c52405463e..786b6d5b0f 100644
--- a/src/libsystemd/sd-bus/test-bus-error.c
+++ b/src/libsystemd/sd-bus/test-bus-error.c
@@ -167,6 +167,16 @@ static const sd_bus_error_map test_errors4[] = {
SD_BUS_ERROR_MAP_END
};
+static const sd_bus_error_map test_errors_bad1[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", 0),
+ SD_BUS_ERROR_MAP_END
+};
+
+static const sd_bus_error_map test_errors_bad2[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.custom-dbus-error-1", -1),
+ SD_BUS_ERROR_MAP_END
+};
+
static void test_errno_mapping_custom(void) {
assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error", NULL) == -5);
assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-2", NULL) == -52);
@@ -190,6 +200,9 @@ static void test_errno_mapping_custom(void) {
assert_se(sd_bus_error_set(NULL, "org.freedesktop.custom-dbus-error-y", NULL) == -EIO);
assert_se(sd_bus_error_set(NULL, BUS_ERROR_NO_SUCH_UNIT, NULL) == -ENOENT);
+
+ assert_se(sd_bus_error_add_map(test_errors_bad1) == -EINVAL);
+ assert_se(sd_bus_error_add_map(test_errors_bad2) == -EINVAL);
}
int main(int argc, char *argv[]) {