+ if (!silc_client_process_detach_data(client, conn, &old_id, &old_id_len))
+ return;
+
+ old_client_id = silc_id_str2id(old_id, old_id_len, SILC_ID_CLIENT);
+ if (!old_client_id) {
+ silc_free(old_id);
+ return;
+ }
+
+ /* Generate authentication data that server will verify */
+ auth = silc_auth_public_key_auth_generate(client->public_key,
+ client->private_key,
+ client->rng, conn->hash,
+ old_client_id, SILC_ID_CLIENT);
+ if (!auth) {
+ silc_free(old_client_id);
+ silc_free(old_id);
+ return;
+ }
+
+ packet = silc_buffer_alloc_size(2 + old_id_len + auth->len);
+ silc_buffer_format(packet,
+ SILC_STR_UI_SHORT(old_id_len),
+ SILC_STR_UI_XNSTRING(old_id, old_id_len),
+ SILC_STR_UI_XNSTRING(auth->data, auth->len),
+ SILC_STR_END);
+
+ /* Send the packet */
+ silc_client_packet_send(client, ctx->sock, SILC_PACKET_RESUME_CLIENT,
+ NULL, 0, NULL, NULL,
+ packet->data, packet->len, TRUE);
+ silc_buffer_free(packet);
+ silc_buffer_free(auth);
+ silc_free(old_client_id);
+ silc_free(old_id);
+ } else {
+ /* Send NEW_CLIENT packet to the server. We will become registered
+ to the SILC network after sending this packet and we will receive
+ client ID from the server. */
+ packet = silc_buffer_alloc(2 + 2 + strlen(client->username) +
+ strlen(client->realname));
+ silc_buffer_pull_tail(packet, SILC_BUFFER_END(packet));
+ silc_buffer_format(packet,
+ SILC_STR_UI_SHORT(strlen(client->username)),
+ SILC_STR_UI_XNSTRING(client->username,
+ strlen(client->username)),
+ SILC_STR_UI_SHORT(strlen(client->realname)),
+ SILC_STR_UI_XNSTRING(client->realname,
+ strlen(client->realname)),
+ SILC_STR_END);
+
+ /* Send the packet */
+ silc_client_packet_send(client, ctx->sock, SILC_PACKET_NEW_CLIENT,
+ NULL, 0, NULL, NULL,
+ packet->data, packet->len, TRUE);
+ silc_buffer_free(packet);
+ }