X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Fsilcd%2Fcommand_reply.c;h=97aedf0e8e37455267c4818136418a9c24510b9f;hb=52e57c880aba9c5e89f59d962eb9af75670b76e0;hp=ff36562e19f2f7903f2dc5918ea1b4a7e44ad8a9;hpb=e9f18f51a9e85a52c85d59af32a934f951c7e4dc;p=silc.git diff --git a/apps/silcd/command_reply.c b/apps/silcd/command_reply.c index ff36562e..97aedf0e 100644 --- a/apps/silcd/command_reply.c +++ b/apps/silcd/command_reply.c @@ -4,13 +4,12 @@ Author: Pekka Riikonen - Copyright (C) 1997 - 2002 Pekka Riikonen + Copyright (C) 1997 - 2005, 2007 Pekka Riikonen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - + the Free Software Foundation; version 2 of the License. + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the @@ -52,6 +51,8 @@ SilcServerCommandReply silc_command_reply_list[] = SILC_SERVER_CMD_REPLY(users, USERS), SILC_SERVER_CMD_REPLY(getkey, GETKEY), SILC_SERVER_CMD_REPLY(list, LIST), + SILC_SERVER_CMD_REPLY(watch, WATCH), + SILC_SERVER_CMD_REPLY(ping, PING), { NULL, 0 }, }; @@ -59,9 +60,10 @@ SilcServerCommandReply silc_command_reply_list[] = /* Process received command reply. */ void silc_server_command_reply_process(SilcServer server, - SilcSocketConnection sock, + SilcPacketStream sock, SilcBuffer buffer) { + SilcIDListData idata = silc_packet_get_context(sock); SilcServerCommandReply *cmd; SilcServerCommandReplyContext ctx; SilcCommandPayload payload; @@ -70,32 +72,33 @@ void silc_server_command_reply_process(SilcServer server, SILC_LOG_DEBUG(("Start")); /* Get command reply payload from packet */ - payload = silc_command_payload_parse(buffer->data, buffer->len); + payload = silc_command_payload_parse(buffer->data, silc_buffer_len(buffer)); if (!payload) { /* Silently ignore bad reply packet */ SILC_LOG_DEBUG(("Bad command reply packet")); return; } - + /* Allocate command reply context. This must be free'd by the command reply routine receiving it. */ ctx = silc_calloc(1, sizeof(*ctx)); ctx->server = server; - ctx->sock = silc_socket_dup(sock); + ctx->sock = sock; ctx->payload = payload; ctx->args = silc_command_get_args(ctx->payload); ctx->ident = silc_command_get_ident(ctx->payload); command = silc_command_get(ctx->payload); + silc_packet_stream_ref(sock); /* Client is not allowed to send reply to all commands */ - if (sock->type == SILC_SOCKET_TYPE_CLIENT && + if (idata->conn_type == SILC_CONN_CLIENT && command != SILC_COMMAND_WHOIS) { silc_server_command_reply_free(ctx); return; } - + /* Check for pending commands and mark to be exeucted */ - ctx->callbacks = + ctx->callbacks = silc_server_command_pending_check(server, command, ctx->ident, &ctx->callbacks_count); @@ -119,40 +122,38 @@ void silc_server_command_reply_free(SilcServerCommandReplyContext cmd) if (cmd) { silc_command_payload_free(cmd->payload); if (cmd->sock) - silc_socket_free(cmd->sock); /* Decrease the reference counter */ + silc_packet_stream_unref(cmd->sock); silc_free(cmd->callbacks); silc_free(cmd); } } -static void +static void silc_server_command_process_error(SilcServerCommandReplyContext cmd, SilcStatus error) { SilcServer server = cmd->server; + SilcIDListData idata = silc_packet_get_context(cmd->sock); /* If we received notify for invalid ID we'll remove the ID if we have it cached. */ if (error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID && - cmd->sock->type == SILC_SOCKET_TYPE_ROUTER) { + idata->conn_type == SILC_CONN_ROUTER) { SilcClientEntry client; - SilcUInt32 tmp_len; - unsigned char *tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len); - if (tmp) { - SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL); - if (client_id) { - SILC_LOG_DEBUG(("Received invalid client ID notification, deleting " - "the entry from cache")); - client = silc_idlist_find_client_by_id(server->global_list, - client_id, FALSE, NULL); - if (client) { - silc_server_remove_from_channels(server, NULL, client, TRUE, - NULL, TRUE); - silc_idlist_del_data(client); - silc_idlist_del_client(server->global_list, client); - } - silc_free(client_id); - } + SilcID id; + if (silc_argument_get_decoded(cmd->args, 2, SILC_ARGUMENT_ID, &id, + NULL)) { + SILC_LOG_DEBUG(("Received invalid client ID notification, deleting " + "the entry from cache")); + client = silc_idlist_find_client_by_id(server->global_list, + SILC_ID_GET_ID(id), FALSE, NULL); + if (!client) + return; + + silc_server_remove_from_channels(server, NULL, client, TRUE, + NULL, TRUE, FALSE); + silc_idlist_del_data(client); + silc_idlist_del_client(server->global_list, client); } } } @@ -163,15 +164,18 @@ static char silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd) { SilcServer server = cmd->server; - unsigned char *tmp, *id_data, *umodes; - char *nickname, *username, *realname, *servername = NULL; + unsigned char *id_data, *umodes; + char *nickname, *username, *realname, *tmp; unsigned char *fingerprint; - SilcClientID *client_id; + SilcID id; SilcClientEntry client; - SilcIDCacheEntry cache = NULL; char global = FALSE; - char *nick; + char nick[128 + 1], servername[256 + 1], uname[128 + 1]; SilcUInt32 mode = 0, len, len2, id_len, flen; + const char *hostname, *ip; + + silc_socket_stream_get_info(silc_packet_stream_get_stream(cmd->sock), + NULL, &hostname, &ip, NULL); id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len); nickname = silc_argument_get_arg_type(cmd->args, 3, &len); @@ -184,18 +188,19 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd) if (tmp) SILC_GET32_MSB(mode, tmp); - client_id = silc_id_payload_parse_id(id_data, id_len, NULL); - if (!client_id) + if (!silc_id_payload_parse_id(id_data, id_len, &id)) return FALSE; fingerprint = silc_argument_get_arg_type(cmd->args, 9, &flen); /* Check if we have this client cached already. */ - client = silc_idlist_find_client_by_id(server->local_list, client_id, + client = silc_idlist_find_client_by_id(server->local_list, + SILC_ID_GET_ID(id), FALSE, NULL); if (!client) { - client = silc_idlist_find_client_by_id(server->global_list, client_id, + client = silc_idlist_find_client_by_id(server->global_list, + SILC_ID_GET_ID(id), FALSE, NULL); global = TRUE; } @@ -207,55 +212,72 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd) return FALSE; /* Take hostname out of nick string if it includes it. */ - silc_parse_userfqdn(nickname, &nick, &servername); + silc_parse_userfqdn(nickname, nick, sizeof(nick), servername, + sizeof(servername)); /* We don't have that client anywhere, add it. The client is added - to global list since server didn't have it in the lists so it must be - global. */ - client = silc_idlist_add_client(server->global_list, nick, - strdup(username), - strdup(realname), client_id, - cmd->sock->user_data, NULL, 0); + to global list since server didn't have it in the lists so it must be + global. This will check for valid nickname and username strings. */ + client = silc_idlist_add_client(server->global_list, + strdup(nick), username, + strdup(realname), + silc_id_dup(SILC_ID_GET_ID(id), + SILC_ID_CLIENT), + silc_packet_get_context(cmd->sock), + NULL); if (!client) { SILC_LOG_ERROR(("Could not add new client to the ID Cache")); return FALSE; } - client->data.status |= + client->data.status |= (SILC_IDLIST_STATUS_REGISTERED | SILC_IDLIST_STATUS_RESOLVED); client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; client->mode = mode; - client->servername = servername; + client->servername = servername[0] ? strdup(servername) : NULL; } else { /* We have the client already, update the data */ SILC_LOG_DEBUG(("Updating client data")); - /* Take hostname out of nick string if it includes it. */ - silc_parse_userfqdn(nickname, &nick, &servername); + /* Check nickname */ + silc_parse_userfqdn(nickname, nick, sizeof(nick), servername, + sizeof(servername)); + nickname = silc_identifier_check(nick, strlen(nick), SILC_STRING_UTF8, + 128, NULL); + if (!nickname) { + SILC_LOG_ERROR(("Malformed nickname '%s' received in WHOIS reply " + "from %s", + hostname ? hostname : "", nick)); + return FALSE; + } - /* Remove the old cache entry */ - silc_idcache_del_by_context(global ? server->global_list->clients : - server->local_list->clients, client); + /* Check username */ + silc_parse_userfqdn(username, uname, sizeof(uname), NULL, 0); + if (!silc_identifier_verify(uname, strlen(uname), SILC_STRING_UTF8, 128)) { + SILC_LOG_ERROR(("Malformed username '%s' received in WHOIS reply " + "from %s", + hostname ? hostname : "", tmp)); + return FALSE; + } + + /* Update entry */ + silc_idcache_update_by_context(global ? server->global_list->clients : + server->local_list->clients, client, NULL, + nickname, TRUE); silc_free(client->nickname); silc_free(client->username); silc_free(client->userinfo); silc_free(client->servername); - - client->nickname = nick; + + client->nickname = strdup(nick); client->username = strdup(username); client->userinfo = strdup(realname); - client->servername = servername; + client->servername = servername[0] ? strdup(servername) : NULL; client->mode = mode; client->data.status |= SILC_IDLIST_STATUS_RESOLVED; client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; - - /* Create new cache entry */ - silc_idcache_add(global ? server->global_list->clients : - server->local_list->clients, nick, client->id, - client, 0, NULL); - silc_free(client_id); } /* Save channel list if it was sent to us */ @@ -271,17 +293,6 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd) } else { silc_server_save_user_channels(server, cmd->sock, client, NULL, NULL); } - - /* If client is global and is not on any channel then add that we'll - expire the entry after a while. */ - if (global) { - silc_idlist_find_client_by_id(server->global_list, client->id, - FALSE, &cache); - if (!silc_hash_table_count(client->channels)) - cache->expire = time(NULL) + 300; - else - cache->expire = 0; - } } if (fingerprint && flen == sizeof(client->data.fingerprint)) @@ -293,6 +304,69 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd) silc_free(client->attrs); client->attrs = silc_memdup(tmp, len); client->attrs_len = len; + + /* Try to take public key from attributes if present and we don't have + the key already. Do this only on normal server. Routers do GETKEY + for all clients anyway. */ + if (server->server_type != SILC_ROUTER && !client->data.public_key) { + SilcAttributePayload attr; + SilcAttributeObjPk pk; + unsigned char f[SILC_HASH_MAXLEN]; + SilcDList attrs = silc_attribute_payload_parse(tmp, len); + + SILC_LOG_DEBUG(("Take client public key from attributes")); + + if (attrs) { + silc_dlist_start(attrs); + while ((attr = silc_dlist_get(attrs)) != SILC_LIST_END) { + if (silc_attribute_get_attribute(attr) == + SILC_ATTRIBUTE_USER_PUBLIC_KEY) { + + if (!silc_attribute_get_object(attr, &pk, sizeof(pk))) + continue; + + /* Take only SILC public keys */ + if (strcmp(pk.type, "silc-rsa")) { + silc_free(pk.type); + silc_free(pk.data); + continue; + } + + /* Verify that the server provided fingerprint matches the key */ + silc_hash_make(server->sha1hash, pk.data, pk.data_len, f); + if (memcmp(f, client->data.fingerprint, sizeof(f))) { + silc_free(pk.type); + silc_free(pk.data); + continue; + } + + /* Save the public key. */ + if (!silc_pkcs_public_key_alloc(SILC_PKCS_SILC, + pk.data, pk.data_len, + &client->data.public_key)) { + silc_free(pk.type); + silc_free(pk.data); + continue; + } + + SILC_LOG_DEBUG(("Saved client public key from attributes")); + + /* Add client's public key to repository */ + if (!silc_server_get_public_key_by_client(server, client, NULL)) + silc_skr_add_public_key_simple(server->repository, + client->data.public_key, + SILC_SKR_USAGE_IDENTIFICATION, + client, NULL); + + silc_free(pk.type); + silc_free(pk.data); + break; + } + } + + silc_attribute_payload_list_free(attrs); + } + } } return TRUE; @@ -305,7 +379,7 @@ silc_server_command_reply_whois_save_client(SilcServerCommandReplyContext cmd) { unsigned char *tmp; SilcUInt32 len; - SilcClientEntry client = cmd->sock->user_data; + SilcClientEntry client = silc_packet_get_context(cmd->sock); /* Take Requested Attributes if set. */ tmp = silc_argument_get_arg_type(cmd->args, 11, &len); @@ -329,11 +403,12 @@ silc_server_command_reply_whois_save_client(SilcServerCommandReplyContext cmd) SILC_SERVER_CMD_REPLY_FUNC(whois) { SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context; + SilcIDListData idata = silc_packet_get_context(cmd->sock); SilcStatus status, error; COMMAND_CHECK_STATUS; - if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT) { + if (idata->conn_type != SILC_CONN_CLIENT) { if (!silc_server_command_reply_whois_save(cmd)) goto out; } else { @@ -367,12 +442,16 @@ silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd) SilcServer server = cmd->server; SilcUInt32 len, id_len; unsigned char *id_data; - char *nickname, *username, *realname, *servername = NULL; - SilcClientID *client_id; + char *nickname, *username, *realname; + SilcID id; SilcClientEntry client; SilcIDCacheEntry cache = NULL; - char *nick; + char nick[128 + 1], servername[256 + 1], uname[128 + 1]; int global = FALSE; + const char *hostname, *ip; + + silc_socket_stream_get_info(silc_packet_stream_get_stream(cmd->sock), + NULL, &hostname, &ip, NULL); id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len); nickname = silc_argument_get_arg_type(cmd->args, 3, &len); @@ -382,17 +461,18 @@ silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd) realname = silc_argument_get_arg_type(cmd->args, 5, &len); - client_id = silc_id_payload_parse_id(id_data, id_len, NULL); - if (!client_id) + if (!silc_id_payload_parse_id(id_data, id_len, &id)) return FALSE; /* Check if we have this client cached already. */ - client = silc_idlist_find_client_by_id(server->local_list, client_id, + client = silc_idlist_find_client_by_id(server->local_list, + SILC_ID_GET_ID(id), FALSE, &cache); if (!client) { - client = silc_idlist_find_client_by_id(server->global_list, - client_id, FALSE, &cache); + client = silc_idlist_find_client_by_id(server->global_list, + SILC_ID_GET_ID(id), + FALSE, &cache); global = TRUE; } @@ -403,16 +483,18 @@ silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd) return FALSE; /* Take hostname out of nick string if it includes it. */ - silc_parse_userfqdn(nickname, &nick, &servername); + silc_parse_userfqdn(nickname, nick, sizeof(nick), servername, + sizeof(servername)); /* We don't have that client anywhere, add it. The client is added - to global list since server didn't have it in the lists so it must be + to global list since server didn't have it in the lists so it must be global. */ - client = silc_idlist_add_client(server->global_list, nick, - strdup(username), strdup(realname), - silc_id_dup(client_id, SILC_ID_CLIENT), - cmd->sock->user_data, NULL, - SILC_ID_CACHE_EXPIRE_DEF); + client = silc_idlist_add_client(server->global_list, + strdup(nick), username, + strdup(realname), + silc_id_dup(SILC_ID_GET_ID(id), + SILC_ID_CLIENT), + silc_packet_get_context(cmd->sock), NULL); if (!client) { SILC_LOG_ERROR(("Could not add new client to the ID Cache")); return FALSE; @@ -420,30 +502,44 @@ silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd) client->data.status |= SILC_IDLIST_STATUS_RESOLVED; client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; - client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED; - client->servername = servername; + client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED; + client->servername = servername[0] ? strdup(servername) : NULL; } else { /* We have the client already, update the data */ - /* Take hostname out of nick string if it includes it. */ - silc_parse_userfqdn(nickname, &nick, &servername); + /* Check nickname */ + silc_parse_userfqdn(nickname, nick, sizeof(nick), servername, + sizeof(servername)); + nickname = silc_identifier_check(nick, strlen(nick), SILC_STRING_UTF8, + 128, NULL); + if (!nickname) { + SILC_LOG_ERROR(("Malformed nickname '%s' received in WHOWAS reply " + "from %s", + hostname ? hostname : "", nick)); + return FALSE; + } + + /* Check username */ + silc_parse_userfqdn(username, uname, sizeof(uname), NULL, 0); + if (!silc_identifier_verify(uname, strlen(uname), SILC_STRING_UTF8, 128)) + return FALSE; silc_free(client->nickname); silc_free(client->username); silc_free(client->servername); - - client->nickname = nick; + + client->nickname = strdup(nick); client->username = strdup(username); - client->servername = servername; + client->servername = servername[0] ? strdup(servername) : NULL; client->data.status |= SILC_IDLIST_STATUS_RESOLVED; client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; /* Remove the old cache entry and create a new one */ silc_idcache_del_by_context(global ? server->global_list->clients : - server->local_list->clients, client); + server->local_list->clients, client, NULL); silc_idcache_add(global ? server->global_list->clients : - server->local_list->clients, nick, client->id, - client, 0, NULL); + server->local_list->clients, nickname, client->id, + client); } /* If client is global and is not on any channel then add that we'll @@ -452,13 +548,9 @@ silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd) silc_idlist_find_client_by_id(server->global_list, client->id, FALSE, &cache); if (!silc_hash_table_count(client->channels)) - cache->expire = SILC_ID_CACHE_EXPIRE_DEF; - else - cache->expire = 0; + silc_dlist_add(server->expired_clients, client); } - silc_free(client_id); - return TRUE; } @@ -502,17 +594,16 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd) SilcUInt32 len, id_len; unsigned char *id_data; char *name, *info; - SilcClientID *client_id = NULL; - SilcServerID *server_id = NULL; - SilcChannelID *channel_id = NULL; + SilcClientID client_id; + SilcServerID server_id; + SilcChannelID*channel_id; SilcClientEntry client; SilcServerEntry server_entry; SilcChannelEntry channel; char global = FALSE; - char *nick = NULL; + char nick[128 + 1]; SilcIDPayload idp = NULL; SilcIdType id_type; - int expire = 0; id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len); if (!id_data) @@ -528,16 +619,15 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd) switch (id_type) { case SILC_ID_CLIENT: - client_id = silc_id_payload_get_id(idp); - if (!client_id) + if (!silc_id_payload_get_id(idp, &client_id, sizeof(client_id))) goto error; SILC_LOG_DEBUG(("Received client information")); - client = silc_idlist_find_client_by_id(server->local_list, - client_id, FALSE, NULL); + client = silc_idlist_find_client_by_id(server->local_list, + &client_id, FALSE, NULL); if (!client) { - client = silc_idlist_find_client_by_id(server->global_list, client_id, + client = silc_idlist_find_client_by_id(server->global_list, &client_id, FALSE, NULL); global = TRUE; } @@ -549,39 +639,55 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd) /* Take nickname */ if (name) - silc_parse_userfqdn(name, &nick, NULL); + silc_parse_userfqdn(name, nick, sizeof(nick), NULL, 0); /* We don't have that client anywhere, add it. The client is added - to global list since server didn't have it in the lists so it must be + to global list since server didn't have it in the lists so it must be global. */ - client = silc_idlist_add_client(server->global_list, nick, - info ? strdup(info) : NULL, NULL, - client_id, cmd->sock->user_data, - NULL, time(NULL) + 300); + client = silc_idlist_add_client(server->global_list, + nick[0] ? nick : NULL, info, NULL, + silc_id_dup(&client_id, SILC_ID_CLIENT), + silc_packet_get_context(cmd->sock), + NULL); if (!client) { SILC_LOG_ERROR(("Could not add new client to the ID Cache")); goto error; } + client->data.status |= SILC_IDLIST_STATUS_REGISTERED; client->data.status |= SILC_IDLIST_STATUS_RESOLVED; client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; } else { /* We have the client already, update the data */ - + SILC_LOG_DEBUG(("Updating client data")); - + /* Take nickname */ if (name) { - silc_parse_userfqdn(name, &nick, NULL); + silc_parse_userfqdn(name, nick, sizeof(nick), NULL, 0); + + /* Check nickname */ + name = silc_identifier_check(nick, strlen(nick), SILC_STRING_UTF8, + 128, NULL); + if (!name) { + SILC_LOG_ERROR(("Malformed nickname '%s' received in IDENTIFY " + "reply ", nick)); + return FALSE; + } /* Remove the old cache entry */ silc_idcache_del_by_context(global ? server->global_list->clients : - server->local_list->clients, client); + server->local_list->clients, client, NULL); silc_free(client->nickname); - client->nickname = nick; + client->nickname = strdup(nick); + + /* Add new cache entry */ + silc_idcache_add(global ? server->global_list->clients : + server->local_list->clients, name, client->id, + client); } - + if (info) { silc_free(client->username); client->username = strdup(info); @@ -589,27 +695,6 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd) client->data.status |= SILC_IDLIST_STATUS_RESOLVED; client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; - - if (name) { - /* Add new cache entry */ - silc_idcache_add(global ? server->global_list->clients : - server->local_list->clients, nick, client->id, - client, expire, NULL); - } - - /* If client is global and is not on any channel then add that we'll - expire the entry after a while. */ - if (global && server->server_type == SILC_SERVER) { - SilcIDCacheEntry cache = NULL; - silc_idlist_find_client_by_id(server->global_list, client->id, - FALSE, &cache); - if (!silc_hash_table_count(client->channels)) - cache->expire = time(NULL) + 300; - else - cache->expire = 0; - } - - silc_free(client_id); } break; @@ -618,74 +703,80 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd) if (!name) goto error; - server_id = silc_id_payload_get_id(idp); - if (!server_id) + if (!silc_id_payload_get_id(idp, &server_id, sizeof(server_id))) goto error; SILC_LOG_DEBUG(("Received server information")); - server_entry = silc_idlist_find_server_by_id(server->local_list, - server_id, FALSE, NULL); + server_entry = silc_idlist_find_server_by_id(server->local_list, + &server_id, FALSE, NULL); if (!server_entry) - server_entry = silc_idlist_find_server_by_id(server->global_list, - server_id, FALSE, NULL); + server_entry = silc_idlist_find_server_by_id(server->global_list, + &server_id, FALSE, NULL); if (!server_entry) { /* If router did not find such Server ID in its lists then this must be bogus server or some router in the net is buggy. */ if (server->server_type != SILC_SERVER) goto error; - + /* We don't have that server anywhere, add it. */ - server_entry = silc_idlist_add_server(server->global_list, + server_entry = silc_idlist_add_server(server->global_list, strdup(name), 0, - server_id, server->router, + silc_id_dup(&server_id, + SILC_ID_SERVER), + server->router, SILC_PRIMARY_ROUTE(server)); - if (!server_entry) { - silc_free(server_id); + if (!server_entry) goto error; - } + server_entry->data.status |= SILC_IDLIST_STATUS_REGISTERED; server_entry->data.status |= SILC_IDLIST_STATUS_RESOLVED; server_entry->data.status &= ~SILC_IDLIST_STATUS_RESOLVING; - server_id = NULL; } - silc_free(server_id); break; case SILC_ID_CHANNEL: if (!name) goto error; - channel_id = silc_id_payload_get_id(idp); - if (!channel_id) + if (!silc_id_payload_get_id(idp, &channel_id, sizeof(channel_id))) goto error; SILC_LOG_DEBUG(("Received channel information")); - channel = silc_idlist_find_channel_by_name(server->local_list, - name, NULL); + /* Check channel name */ + info = silc_channel_name_check(name, strlen(name), SILC_STRING_UTF8, + 256, NULL); + if (!info) + goto error; + + channel = silc_idlist_find_channel_by_name(server->local_list, + info, NULL); if (!channel) - channel = silc_idlist_find_channel_by_name(server->global_list, - name, NULL); + channel = silc_idlist_find_channel_by_name(server->global_list, + info, NULL); if (!channel) { /* If router did not find such Channel ID in its lists then this must be bogus channel or some router in the net is buggy. */ - if (server->server_type != SILC_SERVER) + if (server->server_type != SILC_SERVER) { + silc_free(info); goto error; - + } + /* We don't have that channel anywhere, add it. */ channel = silc_idlist_add_channel(server->global_list, strdup(name), - SILC_CHANNEL_MODE_NONE, channel_id, + SILC_CHANNEL_MODE_NONE, + silc_id_dup(&channel_id, + SILC_ID_CHANNEL), server->router, NULL, NULL, 0); if (!channel) { - silc_free(channel_id); + silc_free(info); goto error; } - channel_id = NULL; + silc_free(info); } - silc_free(channel_id); break; } @@ -738,40 +829,38 @@ SILC_SERVER_CMD_REPLY_FUNC(info) SilcServer server = cmd->server; SilcStatus status, error; SilcServerEntry entry; - SilcServerID *server_id; + SilcID id; SilcUInt32 tmp_len; unsigned char *tmp, *name; COMMAND_CHECK_STATUS; /* Get Server ID */ - tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len); - if (!tmp) - goto out; - server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL); - if (!server_id) + if (!silc_argument_get_decoded(cmd->args, 2, SILC_ARGUMENT_ID, &id, NULL)) goto out; /* Get the name */ name = silc_argument_get_arg_type(cmd->args, 3, &tmp_len); - if (tmp_len > 256) + if (!name) goto out; - entry = silc_idlist_find_server_by_id(server->local_list, server_id, + entry = silc_idlist_find_server_by_id(server->local_list, + SILC_ID_GET_ID(id), FALSE, NULL); if (!entry) { - entry = silc_idlist_find_server_by_id(server->global_list, server_id, + entry = silc_idlist_find_server_by_id(server->global_list, + SILC_ID_GET_ID(id), FALSE, NULL); if (!entry) { /* Add the server to global list */ - server_id = silc_id_dup(server_id, SILC_ID_SERVER); - entry = silc_idlist_add_server(server->global_list, name, 0, - server_id, cmd->sock->user_data, + entry = silc_idlist_add_server(server->global_list, strdup(name), 0, + silc_id_dup(SILC_ID_GET_ID(id), + SILC_ID_SERVER), + silc_packet_get_context(cmd->sock), cmd->sock); - if (!entry) { - silc_free(server_id); + if (!entry) goto out; - } + entry->data.status |= SILC_IDLIST_STATUS_REGISTERED; } } @@ -797,27 +886,53 @@ SILC_SERVER_CMD_REPLY_FUNC(motd) SilcServer server = cmd->server; SilcStatus status, error; SilcServerEntry entry = NULL; - SilcServerID *server_id; + SilcID id; SilcUInt32 tmp_len; unsigned char *tmp; COMMAND_CHECK_STATUS; /* Get Server ID */ - tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len); - if (!tmp) - goto out; - server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL); - if (!server_id) + if (!silc_argument_get_decoded(cmd->args, 2, SILC_ARGUMENT_ID, &id, NULL)) goto out; - entry = silc_idlist_find_server_by_id(server->local_list, server_id, + entry = silc_idlist_find_server_by_id(server->local_list, + SILC_ID_GET_ID(id), TRUE, NULL); if (!entry) { - entry = silc_idlist_find_server_by_id(server->global_list, server_id, + entry = silc_idlist_find_server_by_id(server->global_list, + SILC_ID_GET_ID(id), TRUE, NULL); - if (!entry) - goto out; + if (!entry) { + SilcBuffer buffer; + + /* If router did not find such Server ID in its lists then this must + be bogus client or some router in the net is buggy. */ + if (server->server_type != SILC_SERVER) + goto out; + + /* Statistics */ + cmd->server->stat.commands_sent++; + + /* entry isn't known so we IDENTIFY it. otherwise the + silc_server_command_motd won't know about it and tell + the client that there is no such server */ + tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len); + buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY, + ++server->cmd_ident, 5, + 1, NULL, 0, 2, NULL, 0, + 3, NULL, 0, 4, NULL, 0, + 5, tmp, tmp_len); + silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server), + SILC_PACKET_COMMAND, 0, buffer->data, + silc_buffer_len(buffer)); + silc_server_command_pending(server, SILC_COMMAND_IDENTIFY, + server->cmd_ident, + silc_server_command_reply_motd, + cmd); + silc_buffer_free(buffer); + return; + } } /* Get the motd */ @@ -846,13 +961,11 @@ SILC_SERVER_CMD_REPLY_FUNC(join) SilcServer server = cmd->server; SilcIDCacheEntry cache = NULL; SilcStatus status, error; - SilcChannelID *id; - SilcClientID *client_id = NULL; + SilcID id, id2; SilcChannelEntry entry; SilcHmac hmac = NULL; - SilcUInt32 id_len, len, list_count; - unsigned char *id_string; - char *channel_name, *tmp; + SilcUInt32 len, list_count; + char *channel_name, *channel_namec = NULL, *tmp; SilcUInt32 mode, created; SilcBuffer keyp = NULL, client_id_list = NULL, client_mode_list = NULL; SilcPublicKey founder_key = NULL; @@ -865,16 +978,11 @@ SILC_SERVER_CMD_REPLY_FUNC(join) goto out; /* Get channel ID */ - id_string = silc_argument_get_arg_type(cmd->args, 3, &id_len); - if (!id_string) + if (!silc_argument_get_decoded(cmd->args, 3, SILC_ARGUMENT_ID, &id, NULL)) goto out; /* Get client ID */ - tmp = silc_argument_get_arg_type(cmd->args, 4, &len); - if (!tmp) - goto out; - client_id = silc_id_payload_parse_id(tmp, len, NULL); - if (!client_id) + if (!silc_argument_get_decoded(cmd->args, 4, SILC_ARGUMENT_ID, &id2, NULL)) goto out; /* Get mode mask */ @@ -895,15 +1003,10 @@ SILC_SERVER_CMD_REPLY_FUNC(join) tmp = silc_argument_get_arg_type(cmd->args, 7, &len); if (tmp) { keyp = silc_buffer_alloc(len); - silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp)); + silc_buffer_pull_tail(keyp, silc_buffer_truelen(keyp)); silc_buffer_put(keyp, tmp, len); } - /* Parse the Channel ID */ - id = silc_id_payload_parse_id(id_string, id_len, NULL); - if (!id) - goto out; - /* Get hmac */ tmp = silc_argument_get_arg_type(cmd->args, 11, NULL); if (tmp) { @@ -938,41 +1041,48 @@ SILC_SERVER_CMD_REPLY_FUNC(join) /* Get founder key */ tmp = silc_argument_get_arg_type(cmd->args, 15, &len); if (tmp) - silc_pkcs_public_key_decode(tmp, len, &founder_key); + silc_public_key_payload_decode(tmp, len, &founder_key); /* See whether we already have the channel. */ - entry = silc_idlist_find_channel_by_name(server->local_list, - channel_name, &cache); + channel_namec = silc_channel_name_check(channel_name, strlen(channel_name), + SILC_STRING_UTF8, 256, NULL); + if (!channel_namec) + goto out; + entry = silc_idlist_find_channel_by_name(server->local_list, + channel_namec, &cache); if (!entry) { /* Add new channel */ - SILC_LOG_DEBUG(("Adding new [%s] channel %s id(%s)", + SILC_LOG_DEBUG(("Adding new [%s] channel %s id(%s)", (created == 0 ? "existing" : "created"), channel_name, - silc_id_render(id, SILC_ID_CHANNEL))); + silc_id_render(SILC_ID_GET_ID(id), SILC_ID_CHANNEL))); /* If the channel is found from global list we must move it to the local list. */ entry = silc_idlist_find_channel_by_name(server->global_list, - channel_name, &cache); + channel_namec, &cache); if (entry) silc_idlist_del_channel(server->global_list, entry); /* Add the channel to our local list. */ entry = silc_idlist_add_channel(server->local_list, strdup(channel_name), - SILC_CHANNEL_MODE_NONE, id, - server->router, NULL, hmac, 0); - if (!entry) { - silc_free(id); + SILC_CHANNEL_MODE_NONE, + silc_id_dup(SILC_ID_GET_ID(id), + SILC_ID_CHANNEL), + server->router, NULL, NULL, hmac); + if (!entry) goto out; - } + + hmac = NULL; server->stat.my_channels++; server->stat.channels++; } else { /* The entry exists. */ /* If ID has changed, then update it to the cache too. */ - if (!SILC_ID_CHANNEL_COMPARE(entry->id, id)) - silc_idlist_replace_channel_id(server->local_list, entry->id, id); + if (!SILC_ID_CHANNEL_COMPARE(entry->id, SILC_ID_GET_ID(id))) + silc_idlist_replace_channel_id(server->local_list, entry->id, + SILC_ID_GET_ID(id)); entry->disabled = FALSE; @@ -991,23 +1101,53 @@ SILC_SERVER_CMD_REPLY_FUNC(join) founder_key = NULL; } - if (entry->hmac_name && hmac) { + if (entry->hmac_name && (hmac || (!hmac && entry->hmac))) { silc_free(entry->hmac_name); - entry->hmac_name = strdup(silc_hmac_get_name(hmac)); + entry->hmac_name = strdup(silc_hmac_get_name(hmac ? hmac : entry->hmac)); } /* Get the ban list */ tmp = silc_argument_get_arg_type(cmd->args, 8, &len); - if (tmp) { - silc_free(entry->ban_list); - entry->ban_list = silc_memdup(tmp, len); + if (tmp && len > 2) { + SilcArgumentPayload iargs; + SilcUInt16 iargc; + SILC_GET16_MSB(iargc, tmp); + iargs = silc_argument_payload_parse(tmp + 2, len - 2, iargc); + if (iargs) { + /* Delete old ban list */ + if (entry->ban_list) + silc_hash_table_free(entry->ban_list); + entry->ban_list = + silc_hash_table_alloc(0, silc_hash_ptr, + NULL, NULL, NULL, + silc_server_inviteban_destruct, entry, TRUE); + + /* Add new ban list */ + silc_server_inviteban_process(server, entry->ban_list, 0, iargs); + silc_argument_payload_free(iargs); + } } /* Get the invite list */ tmp = silc_argument_get_arg_type(cmd->args, 9, &len); - if (tmp) { - silc_free(entry->invite_list); - entry->invite_list = silc_memdup(tmp, len); + if (tmp && len > 2) { + SilcArgumentPayload iargs; + SilcUInt16 iargc; + SILC_GET16_MSB(iargc, tmp); + iargs = silc_argument_payload_parse(tmp + 2, len - 2, iargc); + if (iargs) { + /* Delete old invite list */ + if (entry->invite_list) + silc_hash_table_free(entry->invite_list); + entry->invite_list = + silc_hash_table_alloc(0, silc_hash_ptr, + NULL, NULL, NULL, + silc_server_inviteban_destruct, entry, TRUE); + + /* Add new invite list */ + silc_server_inviteban_process(server, entry->invite_list, 0, iargs); + silc_argument_payload_free(iargs); + } } /* Get the topic */ @@ -1017,16 +1157,23 @@ SILC_SERVER_CMD_REPLY_FUNC(join) entry->topic = strdup(tmp); } - /* If channel was not created we know there is global users on the + /* Get channel public key list */ + tmp = silc_argument_get_arg_type(cmd->args, 16, &len); + if (tmp && server->server_type != SILC_ROUTER) + silc_server_set_channel_pk_list(server, NULL, entry, tmp, len); + + /* The the user limit */ + tmp = silc_argument_get_arg_type(cmd->args, 17, &len); + if (tmp && len == 4) + SILC_GET32_MSB(entry->user_limit, tmp); + + /* If channel was not created we know there is global users on the channel. */ entry->global_users = (created == 0 ? TRUE : FALSE); /* If channel was just created the mask must be zero */ - if (!entry->global_users && mode) { - SILC_LOG_DEBUG(("Buggy router `%s' sent non-zero mode mask for " - "new channel, forcing it to zero", cmd->sock->hostname)); + if (!entry->global_users && mode) mode = 0; - } /* Save channel mode */ entry->mode = mode; @@ -1039,18 +1186,21 @@ SILC_SERVER_CMD_REPLY_FUNC(join) } /* Save the users to the channel */ - silc_server_save_users_on_channel(server, cmd->sock, entry, - client_id, client_id_list, + silc_server_save_users_on_channel(server, cmd->sock, entry, + SILC_ID_GET_ID(id2), client_id_list, client_mode_list, list_count); entry->users_resolved = TRUE; out: SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_JOIN); err: - silc_free(client_id); + silc_free(channel_namec); + if (hmac) + silc_hmac_free(hmac); silc_server_command_reply_free(cmd); - silc_pkcs_public_key_free(founder_key); + if (founder_key) + silc_pkcs_public_key_free(founder_key); if (client_id_list) silc_buffer_free(client_id_list); if (client_mode_list) @@ -1072,7 +1222,7 @@ SILC_SERVER_CMD_REPLY_FUNC(stats) /* Get statistics structure */ tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len); - if (server->server_type == SILC_SERVER && tmp) { + if (server->server_type != SILC_ROUTER && tmp) { silc_buffer_set(&buf, tmp, tmp_len); silc_buffer_unformat(&buf, SILC_STR_UI_INT(NULL), @@ -1105,7 +1255,7 @@ SILC_SERVER_CMD_REPLY_FUNC(users) SilcServer server = cmd->server; SilcStatus status, error; SilcChannelEntry channel; - SilcChannelID *channel_id = NULL; + SilcID id; SilcBuffer client_id_list; SilcBuffer client_mode_list; unsigned char *tmp; @@ -1115,35 +1265,31 @@ SILC_SERVER_CMD_REPLY_FUNC(users) COMMAND_CHECK_STATUS; /* Get channel ID */ - tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len); - if (!tmp) - goto out; - channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL); - if (!channel_id) + if (!silc_argument_get_decoded(cmd->args, 2, SILC_ARGUMENT_ID, &id, NULL)) goto out; /* Get channel entry */ - channel = silc_idlist_find_channel_by_id(server->local_list, - channel_id, NULL); + channel = silc_idlist_find_channel_by_id(server->local_list, + SILC_ID_GET_ID(id), NULL); if (!channel) { - channel = silc_idlist_find_channel_by_id(server->global_list, - channel_id, NULL); + channel = silc_idlist_find_channel_by_id(server->global_list, + SILC_ID_GET_ID(id), NULL); if (!channel) { SilcBuffer idp; if (server->server_type != SILC_SERVER) goto out; - idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL); + idp = silc_id_payload_encode(SILC_ID_GET_ID(id), SILC_ID_CHANNEL); silc_server_send_command(server, SILC_PRIMARY_ROUTE(server), SILC_COMMAND_IDENTIFY, ++server->cmd_ident, - 1, 5, idp->data, idp->len); + 1, 5, idp->data, silc_buffer_len(idp)); silc_buffer_free(idp); /* Register pending command callback. After we've received the channel information we will reprocess this command reply by re-calling this USERS command reply callback. */ - silc_server_command_pending(server, SILC_COMMAND_IDENTIFY, + silc_server_command_pending(server, SILC_COMMAND_IDENTIFY, server->cmd_ident, silc_server_command_reply_users, cmd); return; @@ -1176,7 +1322,7 @@ SILC_SERVER_CMD_REPLY_FUNC(users) /* Save the users to the channel */ silc_server_save_users_on_channel(server, cmd->sock, channel, NULL, - client_id_list, client_mode_list, + client_id_list, client_mode_list, list_count); channel->global_users = silc_server_channel_has_global(channel); @@ -1187,7 +1333,6 @@ SILC_SERVER_CMD_REPLY_FUNC(users) out: SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_USERS); - silc_free(channel_id); err: silc_server_command_reply_free(cmd); } @@ -1199,12 +1344,10 @@ SILC_SERVER_CMD_REPLY_FUNC(getkey) SilcStatus status, error; SilcClientEntry client = NULL; SilcServerEntry server_entry = NULL; - SilcClientID *client_id = NULL; - SilcServerID *server_id = NULL; - SilcSKEPKType type; - unsigned char *tmp, *pk; + SilcClientID client_id; + SilcServerID server_id; + unsigned char *tmp; SilcUInt32 len; - SilcUInt16 pk_len; SilcIDPayload idp = NULL; SilcIdType id_type; SilcPublicKey public_key = NULL; @@ -1223,41 +1366,41 @@ SILC_SERVER_CMD_REPLY_FUNC(getkey) if (!tmp) goto out; - /* Decode the public key */ - - SILC_GET16_MSB(pk_len, tmp); - SILC_GET16_MSB(type, tmp + 2); - pk = tmp + 4; - - if (type != SILC_SKE_PK_TYPE_SILC) - goto out; - - if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key)) + /* Decode the public key payload */ + if (!silc_public_key_payload_decode(tmp, len, &public_key)) goto out; id_type = silc_id_payload_get_type(idp); if (id_type == SILC_ID_CLIENT) { - client_id = silc_id_payload_get_id(idp); + silc_id_payload_get_id(idp, &client_id, sizeof(client_id)); - client = silc_idlist_find_client_by_id(server->local_list, client_id, + client = silc_idlist_find_client_by_id(server->local_list, &client_id, TRUE, NULL); if (!client) { - client = silc_idlist_find_client_by_id(server->global_list, - client_id, TRUE, NULL); + client = silc_idlist_find_client_by_id(server->global_list, + &client_id, TRUE, NULL); if (!client) goto out; } - client->data.public_key = public_key; - public_key = NULL; + if (!client->data.public_key) { + /* Add client's public key to repository */ + if (!silc_server_get_public_key_by_client(server, client, NULL)) + silc_skr_add_public_key_simple(server->repository, + public_key, + SILC_SKR_USAGE_IDENTIFICATION, + client, NULL); + client->data.public_key = public_key; + public_key = NULL; + } } else if (id_type == SILC_ID_SERVER) { - server_id = silc_id_payload_get_id(idp); + silc_id_payload_get_id(idp, &server_id, sizeof(server_id)); - server_entry = silc_idlist_find_server_by_id(server->local_list, server_id, - TRUE, NULL); + server_entry = silc_idlist_find_server_by_id(server->local_list, + &server_id, TRUE, NULL); if (!server_entry) { - server_entry = silc_idlist_find_server_by_id(server->global_list, - server_id, TRUE, NULL); + server_entry = silc_idlist_find_server_by_id(server->global_list, + &server_id, TRUE, NULL); if (!server_entry) goto out; } @@ -1272,8 +1415,6 @@ SILC_SERVER_CMD_REPLY_FUNC(getkey) SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_GETKEY); if (idp) silc_id_payload_free(idp); - silc_free(client_id); - silc_free(server_id); if (public_key) silc_pkcs_public_key_free(public_key); err: @@ -1285,19 +1426,16 @@ SILC_SERVER_CMD_REPLY_FUNC(list) SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context; SilcServer server = cmd->server; SilcStatus status, error; - SilcChannelID *channel_id = NULL; + SilcID id; SilcChannelEntry channel; SilcIDCacheEntry cache; - SilcUInt32 len; - unsigned char *tmp, *name, *topic; + unsigned char *tmp, *name, *namec = NULL, *topic; SilcUInt32 usercount = 0; - bool global_list = FALSE; + SilcBool global_list = FALSE; COMMAND_CHECK_STATUS; - tmp = silc_argument_get_arg_type(cmd->args, 2, &len); - channel_id = silc_id_payload_parse_id(tmp, len, NULL); - if (!channel_id) + if (!silc_argument_get_decoded(cmd->args, 2, SILC_ARGUMENT_ID, &id, NULL)) goto out; name = silc_argument_get_arg_type(cmd->args, 3, NULL); @@ -1306,12 +1444,17 @@ SILC_SERVER_CMD_REPLY_FUNC(list) if (tmp) SILC_GET32_MSB(usercount, tmp); + namec = silc_channel_name_check(name, strlen(name), SILC_STRING_UTF8, + 256, NULL); + if (!namec) + goto out; + /* Add the channel entry if we do not have it already */ - channel = silc_idlist_find_channel_by_name(server->local_list, - name, &cache); + channel = silc_idlist_find_channel_by_name(server->local_list, + namec, &cache); if (!channel) { - channel = silc_idlist_find_channel_by_name(server->global_list, - name, &cache); + channel = silc_idlist_find_channel_by_name(server->global_list, + namec, &cache); global_list = TRUE; } if (!channel) { @@ -1319,18 +1462,14 @@ SILC_SERVER_CMD_REPLY_FUNC(list) be bogus channel or some router in the net is buggy. */ if (server->server_type != SILC_SERVER) goto out; - + channel = silc_idlist_add_channel(server->global_list, strdup(name), - SILC_CHANNEL_MODE_NONE, channel_id, - server->router, NULL, NULL, - time(NULL) + 60); + SILC_CHANNEL_MODE_NONE, + silc_id_dup(SILC_ID_GET_ID(id), + SILC_ID_CHANNEL), + server->router, NULL, NULL, NULL); if (!channel) goto out; - channel_id = NULL; - } else { - /* Found, update expiry */ - if (global_list && server->server_type == SILC_SERVER) - cache->expire = time(NULL) + 60; } channel->user_count = usercount; @@ -1347,14 +1486,10 @@ SILC_SERVER_CMD_REPLY_FUNC(list) return; } - /* Now purge all old entries from the global list, otherwise we'll might - have non-existent entries for long periods of time in the cache. */ - silc_idcache_purge(server->global_list->channels); - out: SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_LIST); - silc_free(channel_id); err: + silc_free(namec); silc_server_command_reply_free(cmd); } @@ -1370,3 +1505,16 @@ SILC_SERVER_CMD_REPLY_FUNC(watch) err: silc_server_command_reply_free(cmd); } + +SILC_SERVER_CMD_REPLY_FUNC(ping) +{ + SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context; + SilcStatus status, error; + + COMMAND_CHECK_STATUS; + + out: + SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_PING); + err: + silc_server_command_reply_free(cmd); +}