Ticket #1390: resolve_device_symlinks.patch

smartd.cpp

@@ -5376 +5376 @@
 
     dev_config cfg = conf_entries[i];
 
+    // resolve symbolic links
+    struct stat buf;
+    if (lstat(cfg.dev_name.c_str(), &buf) != 0) {
+      perror(NULL);
+      PrintOut(LOG_WARNING, "Device: %s, stat call failed on path %s\n", cfg.name.c_str(), cfg.dev_name.c_str());
+    } else {
+      if (S_ISLNK(buf.st_mode)) {
+        char link_target[PATH_MAX];
+        if (realpath(cfg.dev_name.c_str(), link_target) == NULL) {
+          perror(NULL);
+          PrintOut(LOG_WARNING, "Device: %s, realpath call failed on path %s\n", cfg.name.c_str(), cfg.dev_name.c_str());
+        } else {
+          PrintOut(LOG_INFO, "Device: %s, link resolved to %s\n", cfg.name.c_str(), link_target);
+          cfg.dev_name = link_target;
+        }
+      }
+    }
+
     if (cfg.ignore) {
       // Store for is_duplicate_device() check and ignore
       PrintOut(LOG_INFO, "Device: %s%s%s%s, ignored\n", cfg.name.c_str(),