diff options
| -rw-r--r-- | src/mapper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mapper.c b/src/mapper.c index a21b42d92..4510241dc 100644 --- a/src/mapper.c +++ b/src/mapper.c @@ -100,6 +100,11 @@ map_directory_child_fs(const struct directory *directory, const char *name, char buffer2[MPD_PATH_MAX]; const char *parent_fs; + /* check for invalid or unauthorized base names */ + if (*name == 0 || strchr(name, '/') != NULL || + strcmp(name, ".") == 0 || strcmp(name, "..") == 0) + return NULL; + parent_fs = map_directory_fs(directory, buffer2); if (parent_fs == NULL) return NULL; |