X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilcclient%2Fidlist.c;h=2c520d148031f9cc3a4611145d4dc9fcad805ec0;hb=6394d86063413bc1c473723f3ef971840195bcd3;hp=5085c39202ae56a3c2339e6ebf80bc94534dfc17;hpb=20cf6a02a72e97a63a93ffb478d02fee4fbb9e38;p=silc.git diff --git a/lib/silcclient/idlist.c b/lib/silcclient/idlist.c index 5085c392..2c520d14 100644 --- a/lib/silcclient/idlist.c +++ b/lib/silcclient/idlist.c @@ -2,9 +2,9 @@ idlist.c - Author: Pekka Riikonen + Author: Pekka Riikonen - Copyright (C) 2000 Pekka Riikonen + Copyright (C) 2001 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 @@ -20,14 +20,104 @@ /* $Id$ */ #include "clientlibincludes.h" +#include "client_internal.h" + +/****************************************************************************** + + Client Searching Locally + +******************************************************************************/ + +/* Same as silc_client_get_clients function but does not resolve anything + from the server. This checks local cache and returns all matching + clients from the local cache. If none was found this returns NULL. + The `nickname' is the real nickname of the client, and the `format' + is the formatted nickname to find exact match from multiple found + entries. The format must be same as given in the SilcClientParams + structure to the client library. If the `format' is NULL all found + clients by `nickname' are returned. */ + +SilcClientEntry *silc_client_get_clients_local(SilcClient client, + SilcClientConnection conn, + const char *nickname, + const char *format, + uint32 *clients_count) +{ + SilcIDCacheEntry id_cache; + SilcIDCacheList list = NULL; + SilcClientEntry entry, *clients; + int i = 0; + bool found = FALSE; + + /* Find ID from cache */ + if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname, &list)) + return NULL; + + if (!silc_idcache_list_count(list)) { + silc_idcache_list_free(list); + return NULL; + } + + clients = silc_calloc(silc_idcache_list_count(list), sizeof(*clients)); + *clients_count = silc_idcache_list_count(list); + + if (!format) { + /* Take all without any further checking */ + silc_idcache_list_first(list, &id_cache); + while (id_cache) { + clients[i++] = id_cache->context; + found = TRUE; + if (!silc_idcache_list_next(list, &id_cache)) + break; + } + } else { + /* Check multiple cache entries for match */ + silc_idcache_list_first(list, &id_cache); + while (id_cache) { + entry = (SilcClientEntry)id_cache->context; + if (strcasecmp(entry->nickname, format)) { + if (!silc_idcache_list_next(list, &id_cache)) { + break; + } else { + continue; + } + } + + clients[i++] = id_cache->context; + found = TRUE; + if (!silc_idcache_list_next(list, &id_cache)) + break; + } + } + + if (list) + silc_idcache_list_free(list); + + if (!found) { + *clients_count = 0; + if (clients) + silc_free(clients); + return NULL; + } + + return clients; +} + + +/****************************************************************************** + + Client Resolving from Server + +******************************************************************************/ typedef struct { - SilcClientCommandContext cmd; + SilcClient client; + SilcClientConnection conn; SilcGetClientCallback completion; + void *context; char *nickname; char *server; - void *context; - int found; + bool found; } *GetClientInternal; SILC_CLIENT_CMD_FUNC(get_client_callback) @@ -37,11 +127,11 @@ SILC_CLIENT_CMD_FUNC(get_client_callback) uint32 clients_count; /* Get the clients */ - clients = silc_client_get_clients_local(i->cmd->client, i->cmd->conn, + clients = silc_client_get_clients_local(i->client, i->conn, i->nickname, i->server, &clients_count); if (clients) { - i->completion(i->cmd->client, i->cmd->conn, clients, + i->completion(i->client, i->conn, clients, clients_count, i->context); i->found = TRUE; silc_free(clients); @@ -53,13 +143,10 @@ static void silc_client_get_client_destructor(void *context) GetClientInternal i = (GetClientInternal)context; if (i->found == FALSE) - i->completion(i->cmd->client, i->cmd->conn, NULL, 0, i->context); + i->completion(i->client, i->conn, NULL, 0, i->context); - silc_client_command_free(i->cmd); - if (i->nickname) - silc_free(i->nickname); - if (i->server) - silc_free(i->server); + silc_free(i->nickname); + silc_free(i->server); silc_free(i); } @@ -74,104 +161,135 @@ static void silc_client_get_client_destructor(void *context) void silc_client_get_clients(SilcClient client, SilcClientConnection conn, - char *nickname, - char *server, + const char *nickname, + const char *server, SilcGetClientCallback completion, void *context) { - char ident[512]; - SilcClientCommandContext ctx; - GetClientInternal i = silc_calloc(1, sizeof(*i)); - - /* No ID found. Do query from the server. The query is done by - sending simple IDENTIFY command to the server. */ - ctx = silc_client_command_alloc(); - ctx->client = client; - ctx->conn = conn; - ctx->command = silc_client_command_find("IDENTIFY"); - memset(ident, 0, sizeof(ident)); - snprintf(ident, sizeof(ident), "IDENTIFY %s", nickname); - silc_parse_command_line(ident, &ctx->argv, &ctx->argv_lens, - &ctx->argv_types, &ctx->argc, 2); - - i->cmd = silc_client_command_dup(ctx); - i->nickname = nickname ? strdup(nickname) : NULL; + GetClientInternal i; + char *userhost; + + if (!nickname) + return; + + i = silc_calloc(1, sizeof(*i)); + i->client = client; + i->conn = conn; + i->nickname = strdup(nickname); i->server = server ? strdup(server) : NULL; i->completion = completion; i->context = context; - /* Call the command */ - ctx->command->cb(ctx, NULL); + if (nickname && server) { + userhost = silc_calloc(strlen(nickname) + strlen(server) + 2, + sizeof(*userhost)); + strncat(userhost, nickname, strlen(nickname)); + strncat(userhost, "@", 1); + strncat(userhost, server, strlen(server)); + } else { + userhost = strdup(nickname); + } + + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL, + silc_client_command_reply_identify_i, 0, + ++conn->cmd_ident); + + /* Send the command */ + silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY, + conn->cmd_ident, 1, 1, userhost, + strlen(userhost)); /* Add pending callback */ - silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, - conn->cmd_ident, + silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident, silc_client_get_client_destructor, silc_client_command_get_client_callback, (void *)i); + + silc_free(userhost); } -/* Same as above function but does not resolve anything from the server. - This checks local cache and returns all clients from the cache. */ +/* The old style function to find client entry. This is used by the + library internally. If `query' is TRUE then the client information is + requested by the server. The pending command callback must be set + by the caller. */ +/* XXX This function should be removed */ -SilcClientEntry *silc_client_get_clients_local(SilcClient client, - SilcClientConnection conn, - char *nickname, - char *server, - uint32 *clients_count) +SilcClientEntry silc_idlist_get_client(SilcClient client, + SilcClientConnection conn, + const char *nickname, + const char *format, + bool query) { SilcIDCacheEntry id_cache; SilcIDCacheList list = NULL; - SilcClientEntry entry, *clients; - int i = 0; + SilcClientEntry entry = NULL; + + SILC_LOG_DEBUG(("Start")); /* Find ID from cache */ - if (!silc_idcache_find_by_name(conn->client_cache, nickname, &list)) - return NULL; + if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname, + &list)) { + identify: - if (!silc_idcache_list_count(list)) { - silc_idcache_list_free(list); + if (query) { + SILC_LOG_DEBUG(("Requesting Client ID from server")); + + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL, + silc_client_command_reply_identify_i, 0, + ++conn->cmd_ident); + + /* Send the command */ + silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY, + conn->cmd_ident, 1, 1, nickname, + strlen(nickname)); + + if (list) + silc_idcache_list_free(list); + + return NULL; + } return NULL; } - clients = silc_calloc(silc_idcache_list_count(list), sizeof(*clients)); - *clients_count = silc_idcache_list_count(list); + if (!format) { + /* Take first found cache entry */ + if (!silc_idcache_list_first(list, &id_cache)) + goto identify; - if (!server) { - /* Take all without any further checking */ - silc_idcache_list_first(list, &id_cache); - while (id_cache) { - clients[i++] = id_cache->context; - if (!silc_idcache_list_next(list, &id_cache)) - break; - } + entry = (SilcClientEntry)id_cache->context; } else { /* Check multiple cache entries for match */ silc_idcache_list_first(list, &id_cache); while (id_cache) { entry = (SilcClientEntry)id_cache->context; - - if (entry->server && - strncasecmp(server, entry->server, strlen(server))) { + + if (strcasecmp(entry->nickname, format)) { if (!silc_idcache_list_next(list, &id_cache)) { + entry = NULL; break; } else { + entry = NULL; continue; } } - - clients[i++] = id_cache->context; - if (!silc_idcache_list_next(list, &id_cache)) - break; + + break; } + + /* If match weren't found, request it */ + if (!entry) + goto identify; } if (list) silc_idcache_list_free(list); - return clients; + return entry; } + typedef struct { SilcClient client; SilcClientConnection conn; @@ -191,6 +309,8 @@ SILC_CLIENT_CMD_FUNC(get_clients_list_callback) uint32 clients_count = 0; int c; + SILC_LOG_DEBUG(("Start")); + for (c = 0; c < i->list_count; c++) { uint16 idp_len; SilcClientID *client_id; @@ -199,8 +319,10 @@ SILC_CLIENT_CMD_FUNC(get_clients_list_callback) SILC_GET16_MSB(idp_len, client_id_list->data + 2); idp_len += 4; client_id = silc_id_payload_parse_id(client_id_list->data, idp_len); - if (!client_id) + if (!client_id) { + silc_buffer_pull(client_id_list, idp_len); continue; + } /* Get the client entry */ if (silc_idcache_find_by_id_one_ext(i->conn->client_cache, @@ -229,6 +351,8 @@ static void silc_client_get_clients_list_destructor(void *context) { GetClientsByListInternal i = (GetClientsByListInternal)context; + SILC_LOG_DEBUG(("Start")); + if (i->found == FALSE) i->completion(i->client, i->conn, NULL, 0, i->context); @@ -257,6 +381,8 @@ void silc_client_get_clients_by_list(SilcClient client, uint32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0; GetClientsByListInternal in; + SILC_LOG_DEBUG(("Start")); + in = silc_calloc(1, sizeof(*in)); in->client = client; in->conn = conn; @@ -274,8 +400,10 @@ void silc_client_get_clients_by_list(SilcClient client, SILC_GET16_MSB(idp_len, client_id_list->data + 2); idp_len += 4; client_id = silc_id_payload_parse_id(client_id_list->data, idp_len); - if (!client_id) + if (!client_id) { + silc_buffer_pull(client_id_list, idp_len); continue; + } /* Check if we have this client cached already. */ id_cache = NULL; @@ -288,6 +416,18 @@ void silc_client_get_clients_by_list(SilcClient client, it from the server. */ entry = id_cache ? (SilcClientEntry)id_cache->context : NULL; if (!id_cache || !entry->nickname) { + + if (entry) { + if (entry->status & SILC_CLIENT_STATUS_RESOLVING) { + entry->status &= ~SILC_CLIENT_STATUS_RESOLVING; + silc_free(client_id); + silc_buffer_pull(client_id_list, idp_len); + continue; + } + + entry->status |= SILC_CLIENT_STATUS_RESOLVING; + } + /* No we don't have it, query it from the server. Assemble argument table that will be sent fr the IDENTIFY command later. */ res_argv = silc_realloc(res_argv, sizeof(*res_argv) * @@ -319,8 +459,13 @@ void silc_client_get_clients_by_list(SilcClient client, NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len, TRUE); - silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, - conn->cmd_ident, + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL, + silc_client_command_reply_identify_i, 0, + conn->cmd_ident); + + /* Process the applications request after reply has been received */ + silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident, silc_client_get_clients_list_destructor, silc_client_command_get_clients_list_callback, (void *)in); @@ -341,90 +486,6 @@ void silc_client_get_clients_by_list(SilcClient client, silc_client_command_get_clients_list_callback((void *)in, NULL); } -/* The old style function to find client entry. This is used by the - library internally. If `query' is TRUE then the client information is - requested by the server. The pending command callback must be set - by the caller. */ - -SilcClientEntry silc_idlist_get_client(SilcClient client, - SilcClientConnection conn, - char *nickname, - char *server, - uint32 num, - int query) -{ - SilcIDCacheEntry id_cache; - SilcIDCacheList list = NULL; - SilcClientEntry entry = NULL; - - /* Find ID from cache */ - if (!silc_idcache_find_by_name(conn->client_cache, nickname, &list)) { - identify: - - if (query) { - char ident[512]; - SilcClientCommandContext ctx; - - SILC_LOG_DEBUG(("Requesting Client ID from server")); - - /* No ID found. Do query from the server. The query is done by - sending simple IDENTIFY command to the server. */ - ctx = silc_client_command_alloc(); - ctx->client = client; - ctx->conn = conn; - ctx->command = silc_client_command_find("IDENTIFY"); - memset(ident, 0, sizeof(ident)); - snprintf(ident, sizeof(ident), "IDENTIFY %s", nickname); - silc_parse_command_line(ident, &ctx->argv, &ctx->argv_lens, - &ctx->argv_types, &ctx->argc, 2); - ctx->command->cb(ctx, NULL); - - if (list) - silc_idcache_list_free(list); - - return NULL; - } - return NULL; - } - - if (!server && !num) { - /* Take first found cache entry */ - if (!silc_idcache_list_first(list, &id_cache)) - goto identify; - - entry = (SilcClientEntry)id_cache->context; - } else { - /* Check multiple cache entries for match */ - silc_idcache_list_first(list, &id_cache); - entry = (SilcClientEntry)id_cache->context; - - while (entry) { - if (server && entry->server && - !strncasecmp(server, entry->server, strlen(server))) - break; - - if (num && entry->num == num) - break; - - if (!silc_idcache_list_next(list, &id_cache)) { - entry = NULL; - break; - } - - entry = (SilcClientEntry)id_cache->context; - } - - /* If match weren't found, request it */ - if (!entry) - goto identify; - } - - if (list) - silc_idcache_list_free(list); - - return entry; -} - /* Finds entry for client by the client's ID. Returns the entry or NULL if the entry was not found. */ @@ -497,11 +558,7 @@ void silc_client_get_client_by_id_resolve(SilcClient client, SilcBuffer idp; GetClientByIDInternal i = silc_calloc(1, sizeof(*i)); - idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT); - silc_client_send_command(client, conn, SILC_COMMAND_WHOIS, - ++conn->cmd_ident, - 1, 3, idp->data, idp->len); - silc_buffer_free(idp); + SILC_LOG_DEBUG(("Start")); i->client = client; i->conn = conn; @@ -509,29 +566,131 @@ void silc_client_get_client_by_id_resolve(SilcClient client, i->completion = completion; i->context = context; + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_WHOIS, NULL, NULL, + silc_client_command_reply_whois_i, 0, + ++conn->cmd_ident); + + /* Send the command */ + idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT); + silc_client_command_send(client, conn, SILC_COMMAND_WHOIS, conn->cmd_ident, + 1, 3, idp->data, idp->len); + silc_buffer_free(idp); + /* Add pending callback */ - silc_client_command_pending(conn, SILC_COMMAND_WHOIS, - conn->cmd_ident, + silc_client_command_pending(conn, SILC_COMMAND_WHOIS, conn->cmd_ident, silc_client_get_client_by_id_destructor, silc_client_command_get_client_by_id_callback, (void *)i); } + +/****************************************************************************** + + Client, Channel and Server entry manipulation + +******************************************************************************/ + + +/* Creates new client entry and adds it to the ID cache. Returns pointer + to the new entry. */ + +SilcClientEntry +silc_client_add_client(SilcClient client, SilcClientConnection conn, + char *nickname, char *username, + char *userinfo, SilcClientID *id, uint32 mode) +{ + SilcClientEntry client_entry; + char *nick = NULL; + + SILC_LOG_DEBUG(("Start")); + + /* Save the client infos */ + client_entry = silc_calloc(1, sizeof(*client_entry)); + client_entry->id = id; + client_entry->valid = TRUE; + silc_parse_userfqdn(nickname, &nick, &client_entry->server); + silc_parse_userfqdn(username, &client_entry->username, + &client_entry->hostname); + if (userinfo) + client_entry->realname = strdup(userinfo); + client_entry->mode = mode; + if (nick) + client_entry->nickname = strdup(nick); + + /* Format the nickname */ + silc_client_nickname_format(client, conn, client_entry); + + /* Add client to cache, the non-formatted nickname is saved to cache */ + if (!silc_idcache_add(conn->client_cache, nick, client_entry->id, + (void *)client_entry, 0, NULL)) { + silc_free(client_entry->nickname); + silc_free(client_entry->username); + silc_free(client_entry->hostname); + silc_free(client_entry->server); + silc_free(client_entry); + return NULL; + } + + return client_entry; +} + +/* Updates the `client_entry' with the new information sent as argument. */ + +void silc_client_update_client(SilcClient client, + SilcClientConnection conn, + SilcClientEntry client_entry, + const char *nickname, + const char *username, + const char *userinfo, + uint32 mode) +{ + char *nick = NULL; + + SILC_LOG_DEBUG(("Start")); + + if (!client_entry->username && username) + silc_parse_userfqdn(username, &client_entry->username, + &client_entry->hostname); + if (!client_entry->realname && userinfo) + client_entry->realname = strdup(userinfo); + if (!client_entry->nickname && nickname) { + silc_parse_userfqdn(nickname, &nick, &client_entry->server); + client_entry->nickname = strdup(nick); + silc_client_nickname_format(client, conn, client_entry); + } + client_entry->mode = mode; + + if (nick) { + /* Remove the old cache entry and create a new one */ + silc_idcache_del_by_context(conn->client_cache, client_entry); + silc_idcache_add(conn->client_cache, nick, client_entry->id, + client_entry, 0, NULL); + } +} + /* Deletes the client entry and frees all memory. */ void silc_client_del_client_entry(SilcClient client, + SilcClientConnection conn, SilcClientEntry client_entry) { + SILC_LOG_DEBUG(("Start")); + silc_free(client_entry->nickname); silc_free(client_entry->username); silc_free(client_entry->realname); silc_free(client_entry->server); silc_free(client_entry->id); + silc_free(client_entry->fingerprint); if (client_entry->send_key) silc_cipher_free(client_entry->send_key); if (client_entry->receive_key) silc_cipher_free(client_entry->receive_key); silc_free(client_entry->key); + silc_client_ftp_session_free_client(conn, client_entry); + if (client_entry->ke) + silc_client_abort_key_agreement(client, conn, client_entry); silc_free(client_entry); } @@ -541,7 +700,7 @@ bool silc_client_del_client(SilcClient client, SilcClientConnection conn, SilcClientEntry client_entry) { bool ret = silc_idcache_del_by_context(conn->client_cache, client_entry); - silc_client_del_client_entry(client, client_entry); + silc_client_del_client_entry(client, conn, client_entry); return ret; } @@ -558,6 +717,12 @@ bool silc_client_del_channel(SilcClient client, SilcClientConnection conn, silc_cipher_free(channel->channel_key); if (channel->hmac) silc_hmac_free(channel->hmac); + if (channel->old_channel_key) + silc_cipher_free(channel->old_channel_key); + if (channel->old_hmac) + silc_hmac_free(channel->old_hmac); + if (channel->rekey_task) + silc_schedule_task_del(conn->client->schedule, channel->rekey_task); silc_client_del_channel_private_keys(client, conn, channel); silc_free(channel); return ret; @@ -574,6 +739,8 @@ SilcChannelEntry silc_client_get_channel(SilcClient client, SilcIDCacheEntry id_cache; SilcChannelEntry entry; + SILC_LOG_DEBUG(("Start")); + if (!silc_idcache_find_by_name_one(conn->channel_cache, channel, &id_cache)) return NULL; @@ -594,6 +761,8 @@ SilcChannelEntry silc_client_get_channel_by_id(SilcClient client, SilcIDCacheEntry id_cache; SilcChannelEntry entry; + SILC_LOG_DEBUG(("Start")); + if (!silc_idcache_find_by_id_one(conn->channel_cache, channel_id, &id_cache)) return NULL; @@ -617,6 +786,8 @@ SILC_CLIENT_CMD_FUNC(get_channel_by_id_callback) GetChannelByIDInternal i = (GetChannelByIDInternal)context; SilcChannelEntry entry; + SILC_LOG_DEBUG(("Start")); + /* Get the channel */ entry = silc_client_get_channel_by_id(i->client, i->conn, i->channel_id); @@ -648,11 +819,7 @@ void silc_client_get_channel_by_id_resolve(SilcClient client, SilcBuffer idp; GetChannelByIDInternal i = silc_calloc(1, sizeof(*i)); - idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL); - silc_client_send_command(client, conn, SILC_COMMAND_IDENTIFY, - ++conn->cmd_ident, - 1, 5, idp->data, idp->len); - silc_buffer_free(idp); + SILC_LOG_DEBUG(("Start")); i->client = client; i->conn = conn; @@ -660,9 +827,20 @@ void silc_client_get_channel_by_id_resolve(SilcClient client, i->completion = completion; i->context = context; + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL, + silc_client_command_reply_identify_i, 0, + ++conn->cmd_ident); + + /* Send the command */ + idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL); + silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY, + conn->cmd_ident, + 1, 5, idp->data, idp->len); + silc_buffer_free(idp); + /* Add pending callback */ - silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, - conn->cmd_ident, + silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident, silc_client_get_channel_by_id_destructor, silc_client_command_get_channel_by_id_callback, (void *)i); @@ -678,14 +856,22 @@ SilcChannelEntry silc_idlist_get_channel_by_id(SilcClient client, SilcBuffer idp; SilcChannelEntry channel; + SILC_LOG_DEBUG(("Start")); + channel = silc_client_get_channel_by_id(client, conn, channel_id); if (channel) return channel; if (query) { + /* Register our own command reply for this command */ + silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL, + silc_client_command_reply_identify_i, 0, + ++conn->cmd_ident); + + /* Send the command */ idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL); - silc_client_send_command(client, conn, SILC_COMMAND_IDENTIFY, - ++conn->cmd_ident, + silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY, + conn->cmd_ident, 1, 5, idp->data, idp->len); silc_buffer_free(idp); } @@ -702,6 +888,8 @@ SilcServerEntry silc_client_get_server(SilcClient client, SilcIDCacheEntry id_cache; SilcServerEntry entry; + SILC_LOG_DEBUG(("Start")); + if (!silc_idcache_find_by_name_one(conn->server_cache, server_name, &id_cache)) return NULL; @@ -720,6 +908,8 @@ SilcServerEntry silc_client_get_server_by_id(SilcClient client, SilcIDCacheEntry id_cache; SilcServerEntry entry; + SILC_LOG_DEBUG(("Start")); + if (!silc_idcache_find_by_id_one(conn->server_cache, (void *)server_id, &id_cache)) return NULL; @@ -741,3 +931,141 @@ bool silc_client_del_server(SilcClient client, SilcClientConnection conn, silc_free(server); return ret; } + +/* Formats the nickname of the client specified by the `client_entry'. + If the format is specified by the application this will format the + nickname and replace the old nickname in the client entry. If the + format string is not specified then this function has no effect. */ + +void silc_client_nickname_format(SilcClient client, + SilcClientConnection conn, + SilcClientEntry client_entry) +{ + char *cp; + char *newnick = NULL; + int i, off = 0, len; + SilcClientEntry *clients; + uint32 clients_count = 0; + + SILC_LOG_DEBUG(("Start")); + + if (!client->internal->params->nickname_format[0]) + return; + + if (!client_entry->nickname) + return; + + /* Get all clients with same nickname. Do not perform the formatting + if there aren't any clients with same nickname unless the application + is forcing us to do so. */ + clients = silc_client_get_clients_local(client, conn, + client_entry->nickname, NULL, + &clients_count); + if (!clients && !client->internal->params->nickname_force_format) + return; + + len = 0; + for (i = 0; i < clients_count; i++) + if (clients[i]->valid && clients[i] != client_entry) + len++; + if (!len) + return; + + cp = client->internal->params->nickname_format; + while (*cp) { + if (*cp == '%') { + cp++; + continue; + } + + switch(*cp) { + case 'n': + /* Nickname */ + if (!client_entry->nickname) + break; + len = strlen(client_entry->nickname); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], client_entry->nickname, len); + off += len; + break; + case 'h': + /* Stripped hostname */ + if (!client_entry->hostname) + break; + len = strcspn(client_entry->hostname, "."); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], client_entry->hostname, len); + off += len; + break; + case 'H': + /* Full hostname */ + if (!client_entry->hostname) + break; + len = strlen(client_entry->hostname); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], client_entry->hostname, len); + off += len; + break; + case 's': + /* Stripped server name */ + if (!client_entry->server) + break; + len = strcspn(client_entry->server, "."); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], client_entry->server, len); + off += len; + break; + case 'S': + /* Full server name */ + if (!client_entry->server) + break; + len = strlen(client_entry->server); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], client_entry->server, len); + off += len; + break; + case 'a': + /* Ascending number */ + { + char tmp[6]; + int num, max = 1; + + if (clients_count == 1) + break; + + for (i = 0; i < clients_count; i++) { + if (strncasecmp(clients[i]->nickname, newnick, off)) + continue; + if (strlen(clients[i]->nickname) <= off) + continue; + num = atoi(&clients[i]->nickname[off]); + if (num > max) + max = num; + } + + memset(tmp, 0, sizeof(tmp)); + snprintf(tmp, sizeof(tmp) - 1, "%d", ++max); + len = strlen(tmp); + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len)); + memcpy(&newnick[off], tmp, len); + off += len; + } + break; + default: + /* Some other character in the string */ + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + 1)); + memcpy(&newnick[off], cp, 1); + off++; + break; + } + + cp++; + } + + newnick = silc_realloc(newnick, sizeof(*newnick) * (off + 1)); + newnick[off] = 0; + + silc_free(client_entry->nickname); + client_entry->nickname = newnick; + silc_free(clients); +}