hsv3: Start refactoring hs_config_client_authorization().

- Remove key_dir which is useless.
- Kill an indentation layer.

We want to make it cleaner and slimmer so that we can reuse parts of it in the
REMOVE command for removing the right client auth file.

diff --git a/src/feature/hs/hs_client.c b/src/feature/hs/hs_client.c
index c4bfdd2d9c62b66cacf60879e14173032e5dcfc9..0247a01998ff52503c7da061fcd70d6fbd9bb16e 100644 (file)
--- a/src/feature/hs/hs_client.c
+++ b/src/feature/hs/hs_client.c
@@ -1957,7 +1957,6 @@ hs_config_client_authorization(const or_options_t *options,
 {
   int ret = -1;
   digest256map_t *auths = digest256map_new();
-  char *key_dir = NULL;
   smartlist_t *file_list = NULL;
   char *client_key_str = NULL;
   char *client_key_file_path = NULL;
@@ -1971,17 +1970,15 @@ hs_config_client_authorization(const or_options_t *options,
     goto end;
   }
 
-  key_dir = tor_strdup(options->ClientOnionAuthDir);
-
   /* Make sure the directory exists and is private enough. */
-  if (check_private_dir(key_dir, 0, options->User) < 0) {
+  if (check_private_dir(options->ClientOnionAuthDir, 0, options->User) < 0) {
     goto end;
   }
 
-  file_list = tor_listdir(key_dir);
+  file_list = tor_listdir(options->ClientOnionAuthDir);
   if (file_list == NULL) {
     log_warn(LD_REND, "Client authorization key directory %s can't be listed.",
-             key_dir);
+             options->ClientOnionAuthDir);
     goto end;
   }
 
@@ -2000,7 +1997,8 @@ hs_config_client_authorization(const or_options_t *options,
     }
 
     /* Create a full path for a file. */
-    client_key_file_path = hs_path_from_filename(key_dir, filename);
+    client_key_file_path = hs_path_from_filename(options->ClientOnionAuthDir,
+                                                 filename);
     client_key_str = read_file_to_str(client_key_file_path, 0, NULL);
     /* Free the file path immediately after using it. */
     tor_free(client_key_file_path);
@@ -2015,36 +2013,37 @@ hs_config_client_authorization(const or_options_t *options,
     /* Free immediately after using it. */
     tor_free(client_key_str);
 
-    if (auth) {
-      /* Parse the onion address to get an identity public key and use it
-       * as a key of global map in the future. */
-      if (hs_parse_address(auth->onion_address, &identity_pk,
-                           NULL, NULL) < 0) {
-        log_warn(LD_REND, "The onion address \"%s\" is invalid in "
-                          "file %s", filename, auth->onion_address);
-        client_service_authorization_free(auth);
-        continue;
-      }
+    if (!auth) {
+      continue;
+    }
 
-      if (digest256map_get(auths, identity_pk.pubkey)) {
+    /* Parse the onion address to get an identity public key and use it
+     * as a key of global map in the future. */
+    if (hs_parse_address(auth->onion_address, &identity_pk,
+                         NULL, NULL) < 0) {
+      log_warn(LD_REND, "The onion address \"%s\" is invalid in "
+               "file %s", filename, auth->onion_address);
+      client_service_authorization_free(auth);
+      continue;
+    }
+
+    if (digest256map_get(auths, identity_pk.pubkey)) {
         log_warn(LD_REND, "Duplicate authorization for the same hidden "
-                          "service address %s.",
+                 "service address %s.",
                  safe_str_client_opts(options, auth->onion_address));
         client_service_authorization_free(auth);
         goto end;
-      }
-
-      digest256map_set(auths, identity_pk.pubkey, auth);
-      log_info(LD_REND, "Loaded a client authorization key file %s.",
-               filename);
     }
+
+    digest256map_set(auths, identity_pk.pubkey, auth);
+    log_info(LD_REND, "Loaded a client authorization key file %s.",
+             filename);
   } SMARTLIST_FOREACH_END(filename);
 
   /* Success. */
   ret = 0;
 
  end:
-  tor_free(key_dir);
   tor_free(client_key_str);
   tor_free(client_key_file_path);
   if (file_list) {