+++ /dev/null
-/*
-
- idlist.c
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 2001 - 2005 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; 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
- GNU General Public License for more details.
-
-*/
-/* $Id$ */
-
-#include "silc.h"
-#include "silcclient.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,
- SilcUInt32 *clients_count)
-{
- SilcIDCacheEntry id_cache;
- SilcIDCacheList list = NULL;
- SilcClientEntry entry, *clients;
- int i = 0;
- SilcBool found = FALSE;
- char *nicknamec;
-
- assert(client && conn);
- if (!nickname)
- return NULL;
-
- /* Normalize nickname for search */
- nicknamec = silc_identifier_check(nickname, strlen(nickname),
- SILC_STRING_UTF8, 128, NULL);
- if (!nicknamec)
- return NULL;
-
- /* Find ID from cache */
- if (!silc_idcache_find_by_name(conn->internal->client_cache, nicknamec,
- &list)) {
- silc_free(nicknamec);
- return NULL;
- }
-
- if (!silc_idcache_list_count(list)) {
- silc_idcache_list_free(list);
- silc_free(nicknamec);
- 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 (!silc_utf8_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;
- }
- }
-
- silc_free(nicknamec);
-
- 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 {
- SilcClient client;
- SilcClientConnection conn;
- SilcGetClientCallback completion;
- void *context;
- char *nickname;
- SilcClientEntry *clients;
- SilcUInt32 clients_count;
-} *GetClientInternal;
-
-/* Completion for IDENTIFY */
-
-SILC_CLIENT_CMD_FUNC(get_client_callback)
-{
- GetClientInternal i = (GetClientInternal)context;
- SilcClientEntry *clients;
- SilcUInt32 clients_count;
-
- /* Get the clients */
- clients = silc_client_get_clients_local(i->client, i->conn,
- i->nickname, NULL,
- &clients_count);
- if (clients) {
- i->completion(i->client, i->conn, clients, clients_count, i->context);
- silc_free(clients);
- } else {
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- silc_free(i->nickname);
- silc_free(i);
-}
-
-/* Completion for WHOIS */
-
-SILC_CLIENT_CMD_FUNC(get_client_callback_wc)
-{
- GetClientInternal i = (GetClientInternal)context;
- SilcClientCommandReplyContext cmd = context2;
- SilcClientID *client_id = NULL;
- SilcClientEntry client_entry = NULL;
- unsigned char *id_data;
- SilcUInt32 len;
-
- /* Get the client entry just returned from server */
- id_data = silc_argument_get_arg_type(cmd->args, 2, &len);
- if (id_data)
- client_id = silc_id_payload_parse_id(id_data, len, NULL);
- if (client_id)
- client_entry = silc_client_get_client_by_id(i->client,
- i->conn, client_id);
- if (!client_entry) {
- if (!SILC_STATUS_IS_ERROR(cmd->status) &&
- cmd->status != SILC_STATUS_OK &&
- cmd->status != SILC_STATUS_LIST_END) {
- silc_free(client_id);
- return;
- }
-
- i->completion(i->client, i->conn, i->clients, i->clients_count,
- i->context);
- silc_free(client_id);
- silc_free(i->clients);
- silc_free(i->nickname);
- silc_free(i);
- return;
- }
-
- /* Save the client */
- i->clients = silc_realloc(i->clients,
- (sizeof(*i->clients) * (i->clients_count + 1)));
- i->clients[i->clients_count] = client_entry;
- i->clients_count++;
-
- /* Return if more data is expected */
- if (cmd->status != SILC_STATUS_OK &&
- cmd->status != SILC_STATUS_LIST_END) {
- silc_free(client_id);
- return;
- }
-
- i->completion(i->client, i->conn, i->clients, i->clients_count,
- i->context);
-
- silc_free(client_id);
- silc_free(i->clients);
- silc_free(i->nickname);
- silc_free(i);
-}
-
-/* Our own WHOIS reply processor. */
-
-SILC_CLIENT_CMD_FUNC(get_client_callback_w)
-{
- SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
- SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-
- SILC_LOG_DEBUG(("Start"));
-
- if (!silc_command_get_status(cmd->payload, NULL, NULL)) {
- if (SILC_STATUS_IS_ERROR(cmd->status))
- goto out;
- if (cmd->status == SILC_STATUS_LIST_END)
- goto out;
- goto err;
- }
-
- /* Save WHOIS info */
- silc_client_command_reply_whois_save(cmd, cmd->status, FALSE);
-
- /* Call pending completion for each reply */
- if (cmd->status != SILC_STATUS_OK &&
- cmd->status != SILC_STATUS_LIST_END) {
- if (cmd->callbacks[0].callback)
- (*cmd->callbacks[0].callback)(cmd->callbacks[0].context, cmd);
- silc_client_command_reply_free(cmd);
- return;
- }
-
- out:
- SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_WHOIS);
-
- err:
- /* If we received notify for invalid ID we'll remove the ID if we
- have it cached. */
- if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
- SilcClientEntry client_entry;
- SilcUInt32 tmp_len;
- unsigned char *tmp =
- silc_argument_get_arg_type(silc_command_get_args(cmd->payload),
- 2, &tmp_len);
- if (tmp) {
- SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
- if (client_id) {
- client_entry = silc_client_get_client_by_id(cmd->client, conn,
- client_id);
- if (client_entry)
- silc_client_del_client(cmd->client, conn, client_entry);
- silc_free(client_id);
- }
- }
- }
-
- /* Unregister this command reply */
- silc_client_command_unregister(cmd->client, SILC_COMMAND_WHOIS,
- NULL, silc_client_command_reply_whois_i,
- cmd->ident);
- silc_client_command_reply_free(cmd);
-}
-
-/* Finds client entry or entries by the `nickname' and `server'. The
- completion callback will be called when the client entries has been found.
-
- Note: this function is always asynchronous and resolves the client
- information from the server. Thus, if you already know the client
- information then use the silc_client_get_client_by_id function to
- get the client entry since this function may be very slow and should
- be used only to initially get the client entries. */
-
-void silc_client_get_clients_i(SilcClient client,
- SilcClientConnection conn,
- SilcCommand command,
- const char *nickname,
- const char *server,
- SilcBuffer attributes,
- SilcGetClientCallback completion,
- void *context)
-{
- GetClientInternal i;
- int len;
- char *userhost = NULL;
-
- assert(client && conn);
-
- if (!nickname && !attributes)
- return;
-
- i = silc_calloc(1, sizeof(*i));
- i->client = client;
- i->conn = conn;
- i->nickname = nickname ? strdup(nickname) : NULL;
- i->completion = completion;
- i->context = context;
-
- if (nickname && server) {
- len = strlen(nickname) + strlen(server) + 3;
- userhost = silc_calloc(len, sizeof(*userhost));
- silc_strncat(userhost, len, nickname, strlen(nickname));
- silc_strncat(userhost, len, "@", 1);
- silc_strncat(userhost, len, server, strlen(server));
- } else if (nickname) {
- userhost = silc_memdup(nickname, strlen(nickname));
- }
-
- /* Register our own command reply for this command */
- if (command == SILC_COMMAND_IDENTIFY) {
- silc_client_command_register(client, command, 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, command, conn->cmd_ident,
- silc_client_command_get_client_callback,
- (void *)i);
- } else {
- silc_client_command_register(client, command, NULL, NULL,
- silc_client_command_get_client_callback_w, 0,
- ++conn->cmd_ident);
- /* Send the command */
- silc_client_command_send(client, conn, command, conn->cmd_ident, 2,
- 1, userhost, userhost ? strlen(userhost) : 0,
- 3, attributes ? attributes->data : NULL,
- attributes ? attributes->len : 0);
-
- /* Add pending callback */
- silc_client_command_pending(conn, command, conn->cmd_ident,
- silc_client_command_get_client_callback_wc,
- (void *)i);
- }
- silc_free(userhost);
-}
-
-void silc_client_get_clients(SilcClient client,
- SilcClientConnection conn,
- const char *nickname,
- const char *server,
- SilcGetClientCallback completion,
- void *context)
-{
- silc_client_get_clients_i(client, conn, SILC_COMMAND_IDENTIFY,
- nickname, server, NULL,
- completion, context);
-}
-
-void silc_client_get_clients_whois(SilcClient client,
- SilcClientConnection conn,
- const char *nickname,
- const char *server,
- SilcBuffer attributes,
- SilcGetClientCallback completion,
- void *context)
-{
- silc_client_get_clients_i(client, conn, SILC_COMMAND_WHOIS,
- nickname, server, attributes,
- completion, context);
-}
-
-/* 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_idlist_get_client(SilcClient client,
- SilcClientConnection conn,
- const char *nickname,
- const char *format,
- SilcBool query)
-{
- SilcIDCacheEntry id_cache;
- SilcIDCacheList list = NULL;
- SilcClientEntry entry = NULL;
- char *nicknamec;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Normalize nickname for search */
- nicknamec = silc_identifier_check(nickname, strlen(nickname),
- SILC_STRING_UTF8, 128, NULL);
- if (!nicknamec)
- return NULL;
-
- /* Find ID from cache */
- if (!silc_idcache_find_by_name(conn->internal->client_cache,
- nicknamec, &list)) {
- identify:
-
- 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);
-
- silc_free(nicknamec);
- return NULL;
- }
-
- silc_free(nicknamec);
- return NULL;
- }
-
- if (!format) {
- /* 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);
- while (id_cache) {
- entry = (SilcClientEntry)id_cache->context;
-
- if (!silc_utf8_strcasecmp(entry->nickname, format)) {
- if (!silc_idcache_list_next(list, &id_cache)) {
- entry = NULL;
- break;
- } else {
- entry = NULL;
- continue;
- }
- }
-
- break;
- }
-
- /* If match weren't found, request it */
- if (!entry)
- goto identify;
- }
-
- silc_free(nicknamec);
-
- if (list)
- silc_idcache_list_free(list);
-
- return entry;
-}
-
-typedef struct {
- SilcClient client;
- SilcClientConnection conn;
- SilcUInt32 list_count;
- SilcBuffer client_id_list;
- SilcGetClientCallback completion;
- void *context;
- int res_count;
-} *GetClientsByListInternal;
-
-SILC_CLIENT_CMD_FUNC(get_clients_list_callback)
-{
- GetClientsByListInternal i = (GetClientsByListInternal)context;
- SilcIDCacheEntry id_cache = NULL;
- SilcBuffer client_id_list = i->client_id_list;
- SilcClientEntry *clients = NULL;
- SilcUInt32 clients_count = 0;
- SilcBool found = FALSE;
- int c;
-
- SILC_LOG_DEBUG(("Start"));
-
- if (i->res_count) {
- i->res_count--;
- if (i->res_count)
- return;
- }
-
- SILC_LOG_DEBUG(("Resolved all clients"));
-
- clients = silc_calloc(i->list_count, sizeof(*clients));
-
- for (c = 0; c < i->list_count; c++) {
- SilcUInt16 idp_len;
- SilcClientID *client_id;
-
- /* Get Client ID */
- 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, NULL);
- 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->internal->client_cache,
- (void *)client_id,
- NULL, NULL,
- silc_hash_client_id_compare, NULL,
- &id_cache)) {
- clients[clients_count] = (SilcClientEntry)id_cache->context;
- clients_count++;
- found = TRUE;
- }
-
- silc_free(client_id);
- silc_buffer_pull(client_id_list, idp_len);
- }
-
- if (found) {
- i->completion(i->client, i->conn, clients, clients_count, i->context);
- silc_free(clients);
- } else {
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- if (i->client_id_list)
- silc_buffer_free(i->client_id_list);
- silc_free(i);
-}
-
-/* Gets client entries by the list of client ID's `client_id_list'. This
- always resolves those client ID's it does not know yet from the server
- so this function might take a while. The `client_id_list' is a list
- of ID Payloads added one after other. JOIN command reply and USERS
- command reply for example returns this sort of list. The `completion'
- will be called after the entries are available. */
-
-void silc_client_get_clients_by_list(SilcClient client,
- SilcClientConnection conn,
- SilcUInt32 list_count,
- SilcBuffer client_id_list,
- SilcGetClientCallback completion,
- void *context)
-{
- SilcIDCacheEntry id_cache = NULL;
- int i;
- unsigned char **res_argv = NULL;
- SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
- GetClientsByListInternal in;
- SilcBool wait_res = FALSE;
-
- assert(client && conn && client_id_list);
-
- SILC_LOG_DEBUG(("Start"));
-
- in = silc_calloc(1, sizeof(*in));
- in->client = client;
- in->conn = conn;
- in->list_count = list_count;
- in->client_id_list = silc_buffer_copy(client_id_list);
- in->completion = completion;
- in->context = context;
-
- for (i = 0; i < list_count; i++) {
- SilcUInt16 idp_len;
- SilcClientID *client_id;
- SilcClientEntry entry;
- SilcBool ret;
-
- /* Get Client ID */
- 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, NULL);
- if (!client_id) {
- silc_buffer_pull(client_id_list, idp_len);
- continue;
- }
-
- /* Check if we have this client cached already. */
- ret =
- silc_idcache_find_by_id_one_ext(conn->internal->client_cache,
- (void *)client_id, NULL, NULL,
- silc_hash_client_id_compare, NULL,
- &id_cache);
-
- /* If we don't have the entry or it has incomplete info, then resolve
- it from the server. */
- if (!ret || !((SilcClientEntry)id_cache->context)->nickname) {
- entry = ret ? (SilcClientEntry)id_cache->context : NULL;
-
- if (entry) {
- if (entry->status & SILC_CLIENT_STATUS_RESOLVING) {
- /* Attach to this resolving and wait until it finishes */
- silc_client_command_pending(
- conn, SILC_COMMAND_NONE,
- entry->resolve_cmd_ident,
- silc_client_command_get_clients_list_callback,
- (void *)in);
- wait_res = TRUE;
- in->res_count++;
-
- silc_free(client_id);
- silc_buffer_pull(client_id_list, idp_len);
- continue;
- }
-
- entry->status |= SILC_CLIENT_STATUS_RESOLVING;
- entry->resolve_cmd_ident = conn->cmd_ident + 1;
- }
-
- /* No we don't have it, query it from the server. Assemble argument
- table that will be sent for the IDENTIFY command later. */
- res_argv = silc_realloc(res_argv, sizeof(*res_argv) *
- (res_argc + 1));
- res_argv_lens = silc_realloc(res_argv_lens, sizeof(*res_argv_lens) *
- (res_argc + 1));
- res_argv_types = silc_realloc(res_argv_types, sizeof(*res_argv_types) *
- (res_argc + 1));
- res_argv[res_argc] = client_id_list->data;
- res_argv_lens[res_argc] = idp_len;
- res_argv_types[res_argc] = res_argc + 5;
- res_argc++;
- }
-
- silc_free(client_id);
- silc_buffer_pull(client_id_list, idp_len);
- }
-
- silc_buffer_push(client_id_list, client_id_list->data -
- client_id_list->head);
-
- /* Query the client information from server if the list included clients
- that we don't know about. */
- if (res_argc) {
- SilcBuffer res_cmd;
-
- /* Send the IDENTIFY command to server */
- res_cmd = silc_command_payload_encode(SILC_COMMAND_IDENTIFY,
- res_argc, res_argv, res_argv_lens,
- res_argv_types, ++conn->cmd_ident);
- silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND,
- NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len,
- TRUE);
-
- /* 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_command_get_clients_list_callback,
- (void *)in);
- in->res_count++;
-
- silc_buffer_free(res_cmd);
- silc_free(res_argv);
- silc_free(res_argv_lens);
- silc_free(res_argv_types);
- return;
- }
-
- if (wait_res)
- return;
-
- /* We have the clients in cache, get them and call the completion */
- silc_client_command_get_clients_list_callback((void *)in, NULL);
-}
-
-typedef struct {
- SilcClient client;
- SilcClientConnection conn;
- SilcChannelID channel_id;
- SilcGetClientCallback completion;
- void *context;
- int res_count;
-} *GetClientsByChannelInternal;
-
-SILC_CLIENT_CMD_FUNC(get_clients_by_channel_cb)
-{
- GetClientsByChannelInternal i = context;
- SilcClientEntry *clients = NULL;
- SilcUInt32 clients_count = 0;
- SilcBool found = FALSE;
- SilcChannelEntry channel;
- SilcHashTableList htl;
- SilcChannelUser chu;
-
- if (i->res_count) {
- i->res_count--;
- if (i->res_count)
- return;
- }
-
- channel = silc_client_get_channel_by_id(i->client, i->conn, &i->channel_id);
- if (channel && !silc_hash_table_count(channel->user_list)) {
- clients = silc_calloc(silc_hash_table_count(channel->user_list),
- sizeof(*clients));
- silc_hash_table_list(channel->user_list, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chu))
- clients[clients_count++] = chu->client;
- silc_hash_table_list_reset(&htl);
- found = TRUE;
- }
-
- if (found) {
- i->completion(i->client, i->conn, clients, clients_count, i->context);
- silc_free(clients);
- } else {
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- silc_free(i);
-}
-
-/* Gets client entries by the channel entry indicated by `channel'. Thus,
- it resolves the clients currently on that channel. */
-
-void silc_client_get_clients_by_channel(SilcClient client,
- SilcClientConnection conn,
- SilcChannelEntry channel,
- SilcGetClientCallback completion,
- void *context)
-{
- GetClientsByChannelInternal in;
- SilcHashTableList htl;
- SilcChannelUser chu;
- SilcClientEntry entry;
- unsigned char **res_argv = NULL;
- SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
- SilcBuffer idp;
- SilcBool wait_res = FALSE;
-
- assert(client && conn && channel);
-
- SILC_LOG_DEBUG(("Start"));
-
- in = silc_calloc(1, sizeof(*in));
- in->client = client;
- in->conn = conn;
- in->channel_id = *channel->id;
- in->completion = completion;
- in->context = context;
-
- /* If user list does not exist, send USERS command. */
- if (!channel->user_list || !silc_hash_table_count(channel->user_list)) {
- SILC_LOG_DEBUG(("Sending USERS"));
- silc_client_command_register(client, SILC_COMMAND_USERS, NULL, NULL,
- silc_client_command_reply_users_i, 0,
- ++conn->cmd_ident);
- silc_client_command_send(client, conn, SILC_COMMAND_USERS,
- conn->cmd_ident, 1, 2, channel->channel_name,
- strlen(channel->channel_name));
- silc_client_command_pending(conn, SILC_COMMAND_USERS, conn->cmd_ident,
- silc_client_command_get_clients_by_channel_cb,
- in);
- return;
- }
-
- silc_hash_table_list(channel->user_list, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chu)) {
- entry = chu->client;
-
- /* If the entry has incomplete info, then resolve it from the server. */
- if (!entry->nickname || !entry->realname) {
- if (entry->status & SILC_CLIENT_STATUS_RESOLVING) {
- /* Attach to this resolving and wait until it finishes */
- silc_client_command_pending(
- conn, SILC_COMMAND_NONE,
- entry->resolve_cmd_ident,
- silc_client_command_get_clients_by_channel_cb,
- (void *)in);
- wait_res = TRUE;
- in->res_count++;
- continue;
- }
- entry->status |= SILC_CLIENT_STATUS_RESOLVING;
- entry->resolve_cmd_ident = conn->cmd_ident + 1;
-
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
-
- /* No we don't have it, query it from the server. Assemble argument
- table that will be sent for the WHOIS command later. */
- res_argv = silc_realloc(res_argv, sizeof(*res_argv) *
- (res_argc + 1));
- res_argv_lens = silc_realloc(res_argv_lens, sizeof(*res_argv_lens) *
- (res_argc + 1));
- res_argv_types = silc_realloc(res_argv_types, sizeof(*res_argv_types) *
- (res_argc + 1));
- res_argv[res_argc] = silc_memdup(idp->data, idp->len);
- res_argv_lens[res_argc] = idp->len;
- res_argv_types[res_argc] = res_argc + 4;
- res_argc++;
-
- silc_buffer_free(idp);
- }
- }
- silc_hash_table_list_reset(&htl);
-
- /* Query the client information from server if the list included clients
- that we don't know about. */
- if (res_argc) {
- SilcBuffer res_cmd;
-
- /* Send the WHOIS command to server */
- res_cmd = silc_command_payload_encode(SILC_COMMAND_WHOIS,
- res_argc, res_argv, res_argv_lens,
- res_argv_types, ++conn->cmd_ident);
- silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND,
- NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len,
- TRUE);
-
- /* 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);
-
- /* Process the applications request after reply has been received */
- silc_client_command_pending(
- conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
- silc_client_command_get_clients_by_channel_cb,
- (void *)in);
- in->res_count++;
-
- silc_buffer_free(res_cmd);
- silc_free(res_argv);
- silc_free(res_argv_lens);
- silc_free(res_argv_types);
- return;
- }
-
- if (wait_res)
- return;
-
- /* We have the clients in cache, get them and call the completion */
- silc_client_command_get_clients_by_channel_cb((void *)in, NULL);
-}
-
-/* Finds entry for client by the client's ID. Returns the entry or NULL
- if the entry was not found. */
-
-SilcClientEntry silc_client_get_client_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id)
-{
- SilcIDCacheEntry id_cache;
-
- assert(client && conn);
- if (!client_id)
- return NULL;
-
- SILC_LOG_DEBUG(("Finding client by ID (%s)",
- silc_id_render(client_id, SILC_ID_CLIENT)));
-
- /* Find ID from cache */
- if (!silc_idcache_find_by_id_one_ext(conn->internal->client_cache,
- (void *)client_id, NULL, NULL,
- silc_hash_client_id_compare, NULL,
- &id_cache))
- return NULL;
-
- SILC_LOG_DEBUG(("Found"));
-
- return (SilcClientEntry)id_cache->context;
-}
-
-typedef struct {
- SilcClient client;
- SilcClientConnection conn;
- SilcClientID *client_id;
- SilcGetClientCallback completion;
- void *context;
-} *GetClientByIDInternal;
-
-SILC_CLIENT_CMD_FUNC(get_client_by_id_callback)
-{
- GetClientByIDInternal i = (GetClientByIDInternal)context;
- SilcClientEntry entry;
-
- /* Get the client */
- entry = silc_client_get_client_by_id(i->client, i->conn, i->client_id);
- if (entry) {
- if (i->completion)
- i->completion(i->client, i->conn, &entry, 1, i->context);
- } else {
- if (i->completion)
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- silc_free(i->client_id);
- silc_free(i);
-}
-
-/* Same as above but will always resolve the information from the server.
- Use this only if you know that you don't have the entry and the only
- thing you know about the client is its ID. */
-
-void silc_client_get_client_by_id_resolve(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id,
- SilcBuffer attributes,
- SilcGetClientCallback completion,
- void *context)
-{
- SilcBuffer idp;
- GetClientByIDInternal i = silc_calloc(1, sizeof(*i));
-
- assert(client && conn && client_id);
-
- SILC_LOG_DEBUG(("Start"));
-
- i->client = client;
- i->conn = conn;
- i->client_id = silc_id_dup(client_id, SILC_ID_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,
- 2, 3, attributes ? attributes->data : NULL,
- attributes ? attributes->len : 0,
- 4, 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_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, SilcUInt32 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);
- client_entry->channels = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
- NULL, NULL, NULL, TRUE);
-
- /* Normalize nickname */
- if (client_entry->nickname) {
- silc_free(nick);
- nick = silc_identifier_check(client_entry->nickname,
- strlen(client_entry->nickname),
- SILC_STRING_UTF8, 128, NULL);
- if (!nick) {
- silc_free(client_entry->nickname);
- silc_free(client_entry->username);
- silc_free(client_entry->hostname);
- silc_free(client_entry->server);
- silc_hash_table_free(client_entry->channels);
- silc_free(client_entry);
- return NULL;
- }
- }
-
- /* 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->internal->client_cache, nick, client_entry->id,
- (void *)client_entry, 0, NULL)) {
- silc_free(nick);
- silc_free(client_entry->nickname);
- silc_free(client_entry->username);
- silc_free(client_entry->hostname);
- silc_free(client_entry->server);
- silc_hash_table_free(client_entry->channels);
- 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,
- SilcUInt32 mode)
-{
- char *nick = NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- if ((!client_entry->username || !client_entry->hostname) && username) {
- silc_free(client_entry->username);
- silc_free(client_entry->hostname);
- client_entry->username = NULL;
- client_entry->hostname = NULL;
- 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);
-
- /* Normalize nickname */
- silc_free(nick);
- nick = silc_identifier_check(client_entry->nickname,
- strlen(client_entry->nickname),
- SILC_STRING_UTF8, 128, NULL);
- if (!nick)
- return;
-
- /* Format nickname */
- 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->internal->client_cache, client_entry);
- silc_idcache_add(conn->internal->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->hostname);
- silc_free(client_entry->server);
- silc_free(client_entry->id);
- silc_free(client_entry->fingerprint);
- if (client_entry->public_key)
- silc_pkcs_public_key_free(client_entry->public_key);
- silc_hash_table_free(client_entry->channels);
- 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);
-}
-
-/* Removes client from the cache by the client entry. */
-
-SilcBool silc_client_del_client(SilcClient client, SilcClientConnection conn,
- SilcClientEntry client_entry)
-{
- SilcBool ret = silc_idcache_del_by_context(conn->internal->client_cache,
- client_entry);
-
- if (ret) {
- /* Remove from channels */
- silc_client_remove_from_channels(client, conn, client_entry);
-
- /* Free the client entry data */
- silc_client_del_client_entry(client, conn, client_entry);
- }
-
- return ret;
-}
-
-/* Add new channel entry to the ID Cache */
-
-SilcChannelEntry silc_client_add_channel(SilcClient client,
- SilcClientConnection conn,
- const char *channel_name,
- SilcUInt32 mode,
- SilcChannelID *channel_id)
-{
- SilcChannelEntry channel;
- char *channel_namec;
-
- SILC_LOG_DEBUG(("Start"));
-
- channel = silc_calloc(1, sizeof(*channel));
- channel->channel_name = strdup(channel_name);
- channel->id = channel_id;
- channel->mode = mode;
- channel->user_list = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
- NULL, NULL, NULL, TRUE);
-
- /* Normalize channel name */
- channel_namec = silc_channel_name_check(channel_name, strlen(channel_name),
- SILC_STRING_UTF8, 256, NULL);
- if (!channel_namec) {
- silc_free(channel->channel_name);
- silc_hash_table_free(channel->user_list);
- silc_free(channel);
- return NULL;
- }
-
- /* Put it to the ID cache */
- if (!silc_idcache_add(conn->internal->channel_cache, channel_namec,
- (void *)channel->id, (void *)channel, 0, NULL)) {
- silc_free(channel_namec);
- silc_free(channel->channel_name);
- silc_hash_table_free(channel->user_list);
- silc_free(channel);
- return NULL;
- }
-
- return channel;
-}
-
-/* Foreach callbcak to free all users from the channel when deleting a
- channel entry. */
-
-static void silc_client_del_channel_foreach(void *key, void *context,
- void *user_context)
-{
- SilcChannelUser chu = (SilcChannelUser)context;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Remove the context from the client's channel hash table as that
- table and channel's user_list hash table share this same context. */
- silc_hash_table_del(chu->client->channels, chu->channel);
- silc_free(chu);
-}
-
-/* Removes channel from the cache by the channel entry. */
-
-SilcBool silc_client_del_channel(SilcClient client, SilcClientConnection conn,
- SilcChannelEntry channel)
-{
- SilcBool ret = silc_idcache_del_by_context(conn->internal->channel_cache,
- channel);
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Free all client entrys from the users list. The silc_hash_table_free
- will free all the entries so they are not freed at the foreach
- callback. */
- silc_hash_table_foreach(channel->user_list, silc_client_del_channel_foreach,
- NULL);
- silc_hash_table_free(channel->user_list);
-
- silc_free(channel->channel_name);
- silc_free(channel->topic);
- silc_free(channel->id);
- if (channel->founder_key)
- silc_pkcs_public_key_free(channel->founder_key);
- silc_free(channel->key);
- if (channel->channel_key)
- silc_cipher_free(channel->channel_key);
- if (channel->hmac)
- silc_hmac_free(channel->hmac);
- if (channel->old_channel_keys) {
- SilcCipher key;
- silc_dlist_start(channel->old_channel_keys);
- while ((key = silc_dlist_get(channel->old_channel_keys)) != SILC_LIST_END)
- silc_cipher_free(key);
- silc_dlist_uninit(channel->old_channel_keys);
- }
- if (channel->old_hmacs) {
- SilcHmac hmac;
- silc_dlist_start(channel->old_hmacs);
- while ((hmac = silc_dlist_get(channel->old_hmacs)) != SILC_LIST_END)
- silc_hmac_free(hmac);
- silc_dlist_uninit(channel->old_hmacs);
- }
- silc_schedule_task_del_by_context(conn->client->schedule, channel);
- silc_client_del_channel_private_keys(client, conn, channel);
- silc_free(channel);
- return ret;
-}
-
-/* Replaces the channel ID of the `channel' to `new_id'. Returns FALSE
- if the ID could not be changed. */
-
-SilcBool silc_client_replace_channel_id(SilcClient client,
- SilcClientConnection conn,
- SilcChannelEntry channel,
- SilcChannelID *new_id)
-{
- char *channel_namec;
-
- if (!new_id)
- return FALSE;
-
- SILC_LOG_DEBUG(("Old Channel ID id(%s)",
- silc_id_render(channel->id, SILC_ID_CHANNEL)));
- SILC_LOG_DEBUG(("New Channel ID id(%s)",
- silc_id_render(new_id, SILC_ID_CHANNEL)));
-
- silc_idcache_del_by_id(conn->internal->channel_cache, channel->id);
- silc_free(channel->id);
- channel->id = new_id;
-
- /* Normalize channel name */
- channel_namec = silc_channel_name_check(channel->channel_name,
- strlen(channel->channel_name),
- SILC_STRING_UTF8, 256, NULL);
- if (!channel_namec)
- return FALSE;
-
- return silc_idcache_add(conn->internal->channel_cache, channel_namec,
- (void *)channel->id, (void *)channel, 0, NULL);
-
-}
-
-/* Finds entry for channel by the channel name. Returns the entry or NULL
- if the entry was not found. It is found only if the client is joined
- to the channel. */
-
-SilcChannelEntry silc_client_get_channel(SilcClient client,
- SilcClientConnection conn,
- char *channel)
-{
- SilcIDCacheEntry id_cache;
- SilcChannelEntry entry;
-
- assert(client && conn);
- if (!channel)
- return NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Normalize name for search */
- channel = silc_channel_name_check(channel, strlen(channel), SILC_STRING_UTF8,
- 256, NULL);
- if (!channel)
- return NULL;
-
- if (!silc_idcache_find_by_name_one(conn->internal->channel_cache, channel,
- &id_cache)) {
- silc_free(channel);
- return NULL;
- }
-
- entry = (SilcChannelEntry)id_cache->context;
-
- SILC_LOG_DEBUG(("Found"));
-
- silc_free(channel);
-
- return entry;
-}
-
-/* Finds entry for channel by the channel ID. Returns the entry or NULL
- if the entry was not found. It is found only if the client is joined
- to the channel. */
-
-SilcChannelEntry silc_client_get_channel_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcChannelID *channel_id)
-{
- SilcIDCacheEntry id_cache;
- SilcChannelEntry entry;
-
- assert(client && conn);
- if (!channel_id)
- return NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- if (!silc_idcache_find_by_id_one(conn->internal->channel_cache, channel_id,
- &id_cache))
- return NULL;
-
- entry = (SilcChannelEntry)id_cache->context;
-
- SILC_LOG_DEBUG(("Found"));
-
- return entry;
-}
-
-typedef struct {
- SilcClient client;
- SilcClientConnection conn;
- union {
- SilcChannelID *channel_id;
- char *channel_name;
- } u;
- SilcGetChannelCallback completion;
- void *context;
-} *GetChannelInternal;
-
-SILC_CLIENT_CMD_FUNC(get_channel_resolve_callback)
-{
- GetChannelInternal i = (GetChannelInternal)context;
- SilcChannelEntry entry;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Get the channel */
- entry = silc_client_get_channel(i->client, i->conn, i->u.channel_name);
- if (entry) {
- i->completion(i->client, i->conn, &entry, 1, i->context);
- } else {
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- silc_free(i->u.channel_name);
- silc_free(i);
-}
-
-/* Resolves channel entry from the server by the channel name. */
-
-void silc_client_get_channel_resolve(SilcClient client,
- SilcClientConnection conn,
- char *channel_name,
- SilcGetChannelCallback completion,
- void *context)
-{
- GetChannelInternal i = silc_calloc(1, sizeof(*i));
-
- assert(client && conn && channel_name);
-
- SILC_LOG_DEBUG(("Start"));
-
- i->client = client;
- i->conn = conn;
- i->u.channel_name = strdup(channel_name);
- 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 */
- silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
- conn->cmd_ident,
- 1, 3, channel_name, strlen(channel_name));
-
- /* Add pending callback */
- silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
- silc_client_command_get_channel_resolve_callback,
- (void *)i);
-}
-
-SILC_CLIENT_CMD_FUNC(get_channel_by_id_callback)
-{
- GetChannelInternal i = (GetChannelInternal)context;
- SilcChannelEntry entry;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Get the channel */
- entry = silc_client_get_channel_by_id(i->client, i->conn, i->u.channel_id);
- if (entry) {
- i->completion(i->client, i->conn, &entry, 1, i->context);
- } else {
- i->completion(i->client, i->conn, NULL, 0, i->context);
- }
-
- silc_free(i->u.channel_id);
- silc_free(i);
-}
-
-/* Resolves channel information from the server by the channel ID. */
-
-void silc_client_get_channel_by_id_resolve(SilcClient client,
- SilcClientConnection conn,
- SilcChannelID *channel_id,
- SilcGetChannelCallback completion,
- void *context)
-{
- SilcBuffer idp;
- GetChannelInternal i = silc_calloc(1, sizeof(*i));
-
- assert(client && conn && channel_id);
-
- SILC_LOG_DEBUG(("Start"));
-
- i->client = client;
- i->conn = conn;
- i->u.channel_id = silc_id_dup(channel_id, SILC_ID_CHANNEL);
- 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_get_channel_by_id_callback,
- (void *)i);
-}
-
-/* Finds entry for server by the server name. */
-
-SilcServerEntry silc_client_get_server(SilcClient client,
- SilcClientConnection conn,
- char *server_name)
-{
- SilcIDCacheEntry id_cache;
- SilcServerEntry entry;
-
- assert(client && conn);
- if (!server_name)
- return NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- /* Normalize server name for search */
- server_name = silc_identifier_check(server_name, strlen(server_name),
- SILC_STRING_UTF8, 256, NULL);
- if (!server_name)
- return NULL;
-
- if (!silc_idcache_find_by_name_one(conn->internal->server_cache,
- server_name, &id_cache)) {
- silc_free(server_name);
- return NULL;
- }
-
- entry = (SilcServerEntry)id_cache->context;
-
- silc_free(server_name);
-
- return entry;
-}
-
-/* Finds entry for server by the server ID. */
-
-SilcServerEntry silc_client_get_server_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcServerID *server_id)
-{
- SilcIDCacheEntry id_cache;
- SilcServerEntry entry;
-
- assert(client && conn);
- if (!server_id)
- return NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- if (!silc_idcache_find_by_id_one(conn->internal->server_cache,
- (void *)server_id, &id_cache))
- return NULL;
-
- entry = (SilcServerEntry)id_cache->context;
-
- return entry;
-}
-
-/* Add new server entry */
-
-SilcServerEntry silc_client_add_server(SilcClient client,
- SilcClientConnection conn,
- const char *server_name,
- const char *server_info,
- SilcServerID *server_id)
-{
- SilcServerEntry server_entry;
- char *server_namec = NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- server_entry = silc_calloc(1, sizeof(*server_entry));
- if (!server_entry || !server_id)
- return NULL;
-
- server_entry->server_id = server_id;
- if (server_name)
- server_entry->server_name = strdup(server_name);
- if (server_info)
- server_entry->server_info = strdup(server_info);
-
- /* Normalize server name */
- if (server_name) {
- server_namec = silc_identifier_check(server_name, strlen(server_name),
- SILC_STRING_UTF8, 256, NULL);
- if (!server_namec) {
- silc_free(server_entry->server_id);
- silc_free(server_entry->server_name);
- silc_free(server_entry->server_info);
- silc_free(server_entry);
- return NULL;
- }
- }
-
- /* Add server to cache */
- if (!silc_idcache_add(conn->internal->server_cache, server_namec,
- server_entry->server_id, server_entry, 0, NULL)) {
- silc_free(server_namec);
- silc_free(server_entry->server_id);
- silc_free(server_entry->server_name);
- silc_free(server_entry->server_info);
- silc_free(server_entry);
- return NULL;
- }
-
- return server_entry;
-}
-
-/* Removes server from the cache by the server entry. */
-
-SilcBool silc_client_del_server(SilcClient client, SilcClientConnection conn,
- SilcServerEntry server)
-{
- SilcBool ret = silc_idcache_del_by_context(conn->internal->server_cache, server);
- silc_free(server->server_name);
- silc_free(server->server_info);
- silc_free(server->server_id);
- silc_free(server);
- return ret;
-}
-
-/* Updates the `server_entry' with the new information sent as argument. */
-
-void silc_client_update_server(SilcClient client,
- SilcClientConnection conn,
- SilcServerEntry server_entry,
- const char *server_name,
- const char *server_info)
-{
- char *server_namec = NULL;
-
- SILC_LOG_DEBUG(("Start"));
-
- if (server_name &&
- (!server_entry->server_name ||
- !silc_utf8_strcasecmp(server_entry->server_name, server_name))) {
-
- silc_idcache_del_by_context(conn->internal->server_cache, server_entry);
- silc_free(server_entry->server_name);
- server_entry->server_name = strdup(server_name);
-
- /* Normalize server name */
- if (server_name) {
- server_namec = silc_identifier_check(server_name, strlen(server_name),
- SILC_STRING_UTF8, 256, NULL);
- if (!server_namec)
- return;
-
- silc_idcache_add(conn->internal->server_cache, server_namec,
- server_entry->server_id,
- server_entry, 0, NULL);
- }
- }
-
- if (server_info &&
- (!server_entry->server_info ||
- !silc_utf8_strcasecmp(server_entry->server_info, server_info))) {
- silc_free(server_entry->server_info);
- server_entry->server_info = strdup(server_info);
- }
-}
-
-/* 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;
- SilcBool freebase;
- SilcClientEntry *clients;
- SilcUInt32 clients_count = 0;
- SilcClientEntry unformatted = NULL;
-
- 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;
- freebase = TRUE;
- for (i = 0; i < clients_count; i++) {
- if (clients[i]->valid && clients[i] != client_entry)
- len++;
- if (clients[i]->valid && clients[i] != client_entry &&
- silc_utf8_strcasecmp(clients[i]->nickname, client_entry->nickname))
- freebase = FALSE;
- }
- if (!len || freebase)
- return;
-
- if (clients_count == 1)
- unformatted = clients[0];
- else
- for (i = 0; i < clients_count; i++)
- if (silc_utf8_strncasecmp(clients[i]->nickname, client_entry->nickname,
- strlen(clients[i]->nickname)))
- unformatted = clients[i];
-
- /* If we are changing nickname of our local entry we'll enforce
- that we will always get the unformatted nickname. Give our
- format number to the one that is not formatted now. */
- if (unformatted && client_entry == conn->local_entry)
- client_entry = unformatted;
-
- 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, ".");
- i = strcspn(client_entry->hostname, "-");
- if (i < len)
- len = i;
- 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 (!silc_utf8_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);
-}
projects / silc.git / blobdiff