chiark / gitweb /
tmpfiles: create char devices with correct SELinux context
[elogind.git] / src / tmpfiles / tmpfiles.c
index bec73ff6cc041f284963fe8c6768c0d054dc6884..6e0c093a82c58174ccfeb44efad79e69e32d96e2 100644 (file)
@@ -744,10 +744,11 @@ static int create_item(Item *i) {
 
         case CREATE_BLOCK_DEVICE:
         case CREATE_CHAR_DEVICE: {
+                mode_t file_type = (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
 
                 u = umask(0);
-                label_context_set(i->path, CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
-                r = mknod(i->path, i->mode | (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR), i->major_minor);
+                label_context_set(i->path, file_type);
+                r = mknod(i->path, i->mode | file_type, i->major_minor);
                 e = errno;
                 label_context_clear();
                 umask(u);
@@ -763,7 +764,7 @@ static int create_item(Item *i) {
                         return -errno;
                 }
 
-                if (i->type == CREATE_BLOCK_DEVICE ? !S_ISBLK(st.st_mode) : !S_ISCHR(st.st_mode)) {
+                if ((st.st_mode & S_IFMT) != file_type) {
                         log_error("%s is not a device node.", i->path);
                         return -EEXIST;
                 }
@@ -1281,6 +1282,7 @@ static char *resolve_fragment(const char *fragment, const char **search_paths) {
                 free(resolved_path);
         }
 
+        errno = ENOENT;
         return NULL;
 }
 
@@ -1316,7 +1318,14 @@ int main(int argc, char *argv[]) {
                 int j;
 
                 for (j = optind; j < argc; j++) {
-                        char *fragment = resolve_fragment(argv[j], conf_file_dirs);
+                        char *fragment;
+
+                        fragment = resolve_fragment(argv[j], conf_file_dirs);
+                        if (!fragment) {
+                                log_error("Failed to find a %s file: %m", argv[j]);
+                                r = EXIT_FAILURE;
+                                goto finish;
+                        }
                         if (read_config_file(fragment, false) < 0)
                                 r = EXIT_FAILURE;
                         free(fragment);