Support for SILC 1.2 INVITE and BAN commands. Client supports
[silc.git] / apps / silcd / packet_receive.c
index b715828dd5e4cb34ac46d9351ac22634d7929fe3..fbb5a9d0badb8c9c2740340781030b1223050572 100644 (file)
@@ -949,6 +949,7 @@ void silc_server_notify(SilcServer server,
 
          /* Now match the public key we have cached and public key sent.
             They must match. */
+#if 0 /* The key may be other than the client's in 1.2 */
          if (client && client->data.public_key && 
              !silc_pkcs_public_key_compare(channel->founder_key,
                                            client->data.public_key)) {
@@ -957,6 +958,7 @@ void silc_server_notify(SilcServer server,
            notify_sent = TRUE;
            break;
          }
+#endif
          if (!silc_pkcs_public_key_compare(channel->founder_key,
                                            founder_key)) {
            chl->mode = mode &= ~SILC_CHANNEL_UMODE_CHANFO;
@@ -1065,46 +1067,33 @@ void silc_server_notify(SilcServer server,
       goto out;
     }
 
-    /* Get the added invite */
+    /* Get the invite action */
     tmp = silc_argument_get_arg_type(args, 4, &tmp_len);
-    if (tmp) {
-      if (!channel->invite_list)
-       channel->invite_list = silc_calloc(tmp_len + 2, 
-                                          sizeof(*channel->invite_list));
-      else
-       channel->invite_list = silc_realloc(channel->invite_list, 
-                                           sizeof(*channel->invite_list) * 
-                                           (tmp_len + 
-                                            strlen(channel->invite_list) + 
-                                            2));
-      if (tmp[tmp_len - 1] == ',')
-       tmp[tmp_len - 1] = '\0';
-      
-      strncat(channel->invite_list, tmp, tmp_len);
-      strncat(channel->invite_list, ",", 1);
-    }
+    if (tmp && tmp_len == 1) {
+      SilcUInt8 action = (SilcUInt8)tmp[0];
+      SilcUInt16 iargc = 0;
+      SilcArgumentPayload iargs;
 
-    /* Get the deleted invite */
-    tmp = silc_argument_get_arg_type(args, 5, &tmp_len);
-    if (tmp && channel->invite_list) {
-      char *start, *end, *n;
-      
-      if (!strncmp(channel->invite_list, tmp, 
-                  strlen(channel->invite_list) - 1)) {
-       silc_free(channel->invite_list);
-       channel->invite_list = NULL;
-      } else {
-       start = strstr(channel->invite_list, tmp);
-       if (start && strlen(start) >= tmp_len) {
-         end = start + tmp_len;
-         n = silc_calloc(strlen(channel->invite_list) - tmp_len, sizeof(*n));
-         strncat(n, channel->invite_list, start - channel->invite_list);
-         strncat(n, end + 1, ((channel->invite_list + 
-                               strlen(channel->invite_list)) - end) - 1);
-         silc_free(channel->invite_list);
-         channel->invite_list = n;
-       }
-      }
+      /* Get invite list */
+      tmp = silc_argument_get_arg_type(args, 5, &tmp_len);
+      if (!tmp)
+       goto out;
+
+      /* Parse the arguments to see they are constructed correctly */
+      SILC_GET16_MSB(iargc, tmp);
+      iargs = silc_argument_payload_parse(tmp + 2, tmp_len - 2, iargc);
+      if (!iargs)
+       goto out;
+
+      if (action == 0 && !channel->invite_list)
+       channel->invite_list = silc_hash_table_alloc(0, silc_hash_ptr,
+                                                    NULL, NULL, NULL,
+                                                    NULL, NULL, TRUE);
+
+      /* Proces the invite action */
+      silc_server_inviteban_process(server, channel->invite_list, action,
+                                   iargs);
+      silc_argument_payload_free(iargs);
     }
 
     break;
@@ -1640,41 +1629,33 @@ void silc_server_notify(SilcServer server,
     }
     silc_free(channel_id);
 
-    /* Get the new ban and add it to the ban list */
+    /* Get the ban action */
     tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
-    if (tmp) {
-      if (!channel->ban_list)
-       channel->ban_list = silc_calloc(tmp_len + 2, 
-                                       sizeof(*channel->ban_list));
-      else
-       channel->ban_list = silc_realloc(channel->ban_list, 
-                                        sizeof(*channel->ban_list) * 
-                                        (tmp_len + 
-                                         strlen(channel->ban_list) + 2));
-      strncat(channel->ban_list, tmp, tmp_len);
-      strncat(channel->ban_list, ",", 1);
-    }
+    if (tmp && tmp_len == 1) {
+      SilcUInt8 action = (SilcUInt8)tmp[0];
+      SilcUInt16 iargc = 0;
+      SilcArgumentPayload iargs;
 
-    /* Get the ban to be removed and remove it from the list */
-    tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
-    if (tmp && channel->ban_list) {
-      char *start, *end, *n;
-      
-      if (!strncmp(channel->ban_list, tmp, strlen(channel->ban_list) - 1)) {
-       silc_free(channel->ban_list);
-       channel->ban_list = NULL;
-      } else {
-       start = strstr(channel->ban_list, tmp);
-       if (start && strlen(start) >= tmp_len) {
-         end = start + tmp_len;
-         n = silc_calloc(strlen(channel->ban_list) - tmp_len, sizeof(*n));
-         strncat(n, channel->ban_list, start - channel->ban_list);
-         strncat(n, end + 1, ((channel->ban_list + 
-                               strlen(channel->ban_list)) - end) - 1);
-         silc_free(channel->ban_list);
-         channel->ban_list = n;
-       }
-      }
+      /* Get ban list */
+      tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
+      if (!tmp)
+       goto out;
+
+      /* Parse the arguments to see they are constructed correctly */
+      SILC_GET16_MSB(iargc, tmp);
+      iargs = silc_argument_payload_parse(tmp + 2, tmp_len - 2, iargc);
+      if (!iargs)
+       goto out;
+
+      if (action == 0 && !channel->ban_list)
+       channel->ban_list = silc_hash_table_alloc(0, silc_hash_ptr,
+                                                 NULL, NULL, NULL,
+                                                 NULL, NULL, TRUE);
+
+      /* Proces the ban action */
+      silc_server_inviteban_process(server, channel->ban_list, action,
+                                   iargs);
+      silc_argument_payload_free(iargs);
     }
     break;
 
@@ -3628,6 +3609,7 @@ void silc_server_resume_client(SilcServer server,
     silc_idlist_add_data(detached_client, idata);
     detached_client->data.status |= SILC_IDLIST_STATUS_REGISTERED;
     detached_client->data.status |= SILC_IDLIST_STATUS_RESUMED;
+    detached_client->data.status |= SILC_IDLIST_STATUS_LOCAL;
     detached_client->data.status &= ~SILC_IDLIST_STATUS_RESUME_RES;
     detached_client->mode &= ~SILC_UMODE_DETACHED;
     server->stat.my_detached--;
@@ -3644,7 +3626,8 @@ void silc_server_resume_client(SilcServer server,
     silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                            SILC_PACKET_RESUME_CLIENT, 0, 
                            buf->data, buf->len, TRUE);
-    silc_server_backup_send(server, NULL, SILC_PACKET_RESUME_CLIENT, 0,
+    silc_server_backup_send(server, detached_client->router,
+                           SILC_PACKET_RESUME_CLIENT, 0,
                            buf->data, buf->len, TRUE, TRUE);
 
     /* As router we must deliver this packet directly to the original
@@ -3775,14 +3758,18 @@ void silc_server_resume_client(SilcServer server,
                                        channel->key_len / 8, channel->key);
       silc_free(id_string);
 
-      /* Send the key packet to client */
+      /* Send the channel key to the client */
       silc_server_packet_send(server, sock, SILC_PACKET_CHANNEL_KEY, 0, 
                              keyp->data, keyp->len, FALSE);
 
-      if (created && server->server_type == SILC_SERVER)
-       silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server), 
-                               SILC_PACKET_CHANNEL_KEY, 0, 
-                               keyp->data, keyp->len, FALSE);
+      /* Distribute the channel key to channel */
+      if (created) {
+       silc_server_send_channel_key(server, NULL, channel,
+                                    server->server_type == SILC_ROUTER ? 
+                                    FALSE : !server->standalone);
+       silc_server_backup_send(server, NULL, SILC_PACKET_CHANNEL_KEY, 0,
+                               keyp->data, keyp->len, FALSE, TRUE);
+      }
 
       silc_buffer_free(keyp);
     }
@@ -3856,20 +3843,12 @@ void silc_server_resume_client(SilcServer server,
 
     /* Client is detached, and now it is resumed.  Remove the detached
        mode and mark that it is resumed. */
+    silc_idlist_del_data(detached_client);
     detached_client->mode &= ~SILC_UMODE_DETACHED;
     detached_client->data.status |= SILC_IDLIST_STATUS_RESUMED;
     detached_client->data.status &= ~SILC_IDLIST_STATUS_LOCAL;
     id_cache->expire = 0;
 
-    /* Update channel information regarding global clients on channel. */
-    if (server->server_type == SILC_SERVER) {
-      silc_hash_table_list(detached_client->channels, &htl);
-      while (silc_hash_table_get(&htl, NULL, (void **)&chl))
-       chl->channel->global_users = 
-         silc_server_channel_has_global(chl->channel);
-      silc_hash_table_list_reset(&htl);
-    }
-
     silc_schedule_task_del_by_context(server->schedule, detached_client);
 
     /* Get the new owner of the resumed client */
@@ -3896,7 +3875,7 @@ void silc_server_resume_client(SilcServer server,
     }
 
     if (server->server_type == SILC_ROUTER &&
-       sock->type == SILC_SOCKET_TYPE_ROUTER && 
+       sock->type == SILC_SOCKET_TYPE_ROUTER &&
        server_entry->server_type == SILC_ROUTER)
       local = FALSE;
 
@@ -3905,17 +3884,27 @@ void silc_server_resume_client(SilcServer server,
                                     detached_client))
       silc_idcache_del_by_context(server->global_list->clients,
                                  detached_client);
-    silc_idcache_add(local && server->server_type == SILC_ROUTER ? 
-                    server->local_list->clients : 
-                    server->global_list->clients, 
+    silc_idcache_add(local && server->server_type == SILC_ROUTER ?
+                    server->local_list->clients :
+                    server->global_list->clients,
                     detached_client->nickname,
                     detached_client->id, detached_client, FALSE, NULL);
 
     /* Change the owner of the client */
     detached_client->router = server_entry;
 
+    /* Update channel information regarding global clients on channel. */
+    if (server->server_type != SILC_ROUTER) {
+      silc_hash_table_list(detached_client->channels, &htl);
+      while (silc_hash_table_get(&htl, NULL, (void **)&chl))
+       chl->channel->global_users = 
+         silc_server_channel_has_global(chl->channel);
+      silc_hash_table_list_reset(&htl);
+    }
+
     silc_free(server_id);
   }
 
   silc_free(client_id);
+    silc_idlist_del_data(detached_client);
 }