core: Refuse mount on symlink

2 files changed, 14 insertions, 0 deletions

diff --git a/src/shared/util.c b/src/shared/util.c
index 3d16cd1a13..0db4bd90e8 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -6918,3 +6918,15 @@ int take_password_lock(const char *root) {
 
         return fd;
 }
+
+int is_symlink(const char *path) {
+        struct stat info;
+
+        if (lstat(path, &info) < 0)
+                return -errno;
+
+        if (S_ISLNK(info.st_mode))
+                return 1;
+
+        return 0;
+}
\ No newline at end of file
diff --git a/src/shared/util.h b/src/shared/util.h
index 101d2dfcf8..bd8bbb268f 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -966,3 +966,5 @@ char *tempfn_random(const char *p);
 bool is_localhost(const char *hostname);
 
 int take_password_lock(const char *root);
+
+int is_symlink(const char *path);
\ No newline at end of file