change muc

README.org

@@ -16,7 +16,7 @@
 [[https://github.com/bqv/weechat-xmpp/issues?q=is:issue+is:closed][file:https://img.shields.io/github/issues-closed/bqv/weechat-xmpp.svg]]
 [[https://github.com/bqv/weechat-xmpp/blob/master/LICENSE][file:https://img.shields.io/github/license/bqv/weechat-xmpp.svg]]
 [[https://github.com/bqv/weechat-extras/][file:https://img.shields.io/badge/weechat--extras-xmpp-blue.svg]]
-[[https://github.com/bqv/weechat-extras/][file:https://inverse.chat/badge.svg?room=weechat@conference.hmm.st]]
+[[https://github.com/bqv/weechat-extras/][file:https://inverse.chat/badge.svg?room=weechat@muc.xa0.uk]]
 
  | Status:     | XMPP for power users and digital masochists |
  | Location:   | [[http://github.com/bqv/weechat-xmpp]]          |
@@ -115,8 +115,10 @@
    * [ ] OMEMO (libsignal-protocol-c / axc)
      * [ ] Presence
        * [X] Disco
-       * [ ] Disco response
+       * [X] Disco response
        * [ ] Key Generation / storage (secured_data?)
+         * [X] Generation
+         * [ ] Storage
      * [ ] Messages
    * [ ] [#C] MUC PMs
    * [ ] [#A] Send typing notifications

connection.c

@@ -697,7 +697,57 @@ void connection__handler(xmpp_conn_t *conn, xmpp_conn_event_t status,
         xmpp_send(conn, children[0]);
         xmpp_stanza_release(children[0]);
 
-        omemo__init(&account->omemo, 0, NULL);
+        struct t_hashtable *variables = weechat_hashtable_new (8,
+                                                              WEECHAT_HASHTABLE_STRING,
+                                                              WEECHAT_HASHTABLE_STRING,
+                                                              NULL, NULL);
+        weechat_hashtable_set(variables, "account", account->name);
+        char *dev_str = weechat_string_eval_expression(
+            "${sec.data.xmpp_device_${account}}",
+            NULL, variables, NULL);
+        char *b64_id = weechat_string_eval_expression(
+            "${sec.data.xmpp_identity_${account}}",
+            NULL, variables, NULL);
+        weechat_hashtable_free(variables);
+        uint32_t dev_id = dev_str[0] ? atoi(dev_str) : 0;
+        uint8_t identity[128];
+        if (b64_id)
+            weechat_string_base_decode(64, b64_id, (char*)identity);
+        struct t_identity id_key = {
+            .key = b64_id ? identity : NULL,
+            .length = 4,
+        };
+
+        omemo__init(&account->omemo, dev_id, &id_key);
+
+        char account_id[64] = {0};
+        snprintf(account_id, sizeof(account_id), "%d", account->omemo->device_id);
+        if (weechat_strcasecmp(dev_str, account_id) != 0)
+        {
+            char **command = weechat_string_dyn_alloc(256);
+            weechat_string_dyn_concat(command, "/secure set ", -1);
+            weechat_string_dyn_concat(command, "xmpp_device_", -1);
+            weechat_string_dyn_concat(command, account->name, -1);
+            weechat_string_dyn_concat(command, " ", -1);
+            weechat_string_dyn_concat(command, account_id, -1);
+            weechat_command(account->buffer, *command);
+            weechat_string_dyn_free(command, 1);
+        }
+        char account_key[64] = {0};
+        weechat_string_base_encode(64, (char*)account->omemo->identity.key,
+                            account->omemo->identity.length, account_key);
+        if (memcmp(identity, account->omemo->identity.key,
+                   account->omemo->identity.length) != 0)
+        {
+            char **command = weechat_string_dyn_alloc(256);
+            weechat_string_dyn_concat(command, "/secure set ", -1);
+            weechat_string_dyn_concat(command, "xmpp_identity_", -1);
+            weechat_string_dyn_concat(command, account->name, -1);
+            weechat_string_dyn_concat(command, " ", -1);
+            weechat_string_dyn_concat(command, account_id, -1);
+            weechat_command(account->buffer, *command);
+            weechat_string_dyn_free(command, 1);
+        }
     }
     else
     {

omemo.c

@@ -9,8 +9,6 @@
 void omemo__init(struct t_omemo **omemo, uint32_t device,
                  struct t_identity *identity)
 {
-    const char* ns_devicelist = "eu.siacs.conversations.axolotl.devicelist";
-    const char* ft_devicelist = "eu.siacs.conversations.axolotl.devicelist+notify";
     int rc;
 
     srandom(time(NULL));