basic: add helper function mknod_label()

2 files changed, 21 insertions, 0 deletions

diff --git a/src/basic/label.c b/src/basic/label.c
index 1fce7718d4..741c43c2b9 100644
--- a/src/basic/label.c
+++ b/src/basic/label.c
@@ -45,6 +45,26 @@ int symlink_label(const char *old_path, const char *new_path) {
         return mac_smack_fix(new_path, 0);
 }
 
+int mknod_label(const char *pathname, mode_t mode, dev_t dev) {
+        int r;
+
+        assert(pathname);
+
+        r = mac_selinux_create_file_prepare(pathname, mode);
+        if (r < 0)
+                return r;
+
+        if (mknod(pathname, mode, dev) < 0)
+                r = -errno;
+
+        mac_selinux_create_file_clear();
+
+        if (r < 0)
+                return r;
+
+        return mac_smack_fix(pathname, 0);
+}
+
 int btrfs_subvol_make_label(const char *path) {
         int r;
 
diff --git a/src/basic/label.h b/src/basic/label.h
index a6f9074b28..6dc0f710ef 100644
--- a/src/basic/label.h
+++ b/src/basic/label.h
@@ -17,5 +17,6 @@ static inline int label_fix(const char *path, LabelFixFlags flags) {
 int mkdir_label(const char *path, mode_t mode);
 int mkdirat_label(int dirfd, const char *path, mode_t mode);
 int symlink_label(const char *old_path, const char *new_path);
+int mknod_label(const char *pathname, mode_t mode, dev_t dev);
 
 int btrfs_subvol_make_label(const char *path);