idlist.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- 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
/* $Id$ */
#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)
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);
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);
}
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);
+ 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;
uint32 clients_count = 0;
int c;
+ SILC_LOG_DEBUG(("Start"));
+
for (c = 0; c < i->list_count; c++) {
uint16 idp_len;
SilcClientID *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);
- 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,
{
GetClientsByListInternal i = (GetClientsByListInternal)context;
+ SILC_LOG_DEBUG(("Start"));
+
if (i->found == FALSE)
i->completion(i->client, i->conn, NULL, 0, i->context);
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;
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;
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) *
(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 + 3;
+ res_argv_types[res_argc] = res_argc + 5;
res_argc++;
}
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);
client_id_list->head);
/* We have the clients in cache, get them and call the completion */
- silc_client_command_get_clients_list_callback((void *)in);
-}
-
-/* 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);
-
- 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;
+ silc_client_command_get_clients_list_callback((void *)in, NULL);
}
/* Finds entry for client by the client's ID. Returns the entry or NULL
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;
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);
+}
+
/* Removes client from the cache by the client entry. */
bool silc_client_del_client(SilcClient client, SilcClientConnection conn,
SilcClientEntry client_entry)
{
- return silc_idcache_del_by_context(conn->client_cache, client_entry);
+ bool ret = silc_idcache_del_by_context(conn->client_cache, client_entry);
+ silc_client_del_client_entry(client, conn, client_entry);
+ return ret;
}
-/* Removes client from the cache by the client ID. */
+/* Removes channel from the cache by the channel entry. */
-bool silc_client_del_client_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id)
+bool silc_client_del_channel(SilcClient client, SilcClientConnection conn,
+ SilcChannelEntry channel)
{
- return silc_idcache_del_by_id_ext(conn->client_cache, (void *)client_id,
- NULL, NULL,
- silc_hash_client_id_compare, NULL);
+ bool ret = silc_idcache_del_by_context(conn->channel_cache, channel);
+ silc_free(channel->channel_name);
+ silc_free(channel->id);
+ 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_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;
}
/* Finds entry for channel by the channel name. Returns the entry or NULL
SilcIDCacheEntry id_cache;
SilcChannelEntry entry;
+ SILC_LOG_DEBUG(("Start"));
+
if (!silc_idcache_find_by_name_one(conn->channel_cache, channel,
&id_cache))
return NULL;
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;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (!silc_idcache_find_by_id_one(conn->channel_cache, channel_id,
+ &id_cache))
+ return NULL;
+
+ entry = (SilcChannelEntry)id_cache->context;
+
+ return entry;
+}
+
+typedef struct {
+ SilcClient client;
+ SilcClientConnection conn;
+ SilcChannelID *channel_id;
+ SilcGetChannelCallback completion;
+ void *context;
+ int found;
+} *GetChannelByIDInternal;
+
+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);
+ if (entry) {
+ i->completion(i->client, i->conn, &entry, 1, i->context);
+ i->found = TRUE;
+ }
+}
+
+static void silc_client_get_channel_by_id_destructor(void *context)
+{
+ GetChannelByIDInternal i = (GetChannelByIDInternal)context;
+
+ if (i->found == FALSE)
+ i->completion(i->client, i->conn, NULL, 0, i->context);
+
+ silc_free(i->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;
+ GetChannelByIDInternal i = silc_calloc(1, sizeof(*i));
+
+ SILC_LOG_DEBUG(("Start"));
+
+ i->client = client;
+ i->conn = conn;
+ i->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_get_channel_by_id_destructor,
+ silc_client_command_get_channel_by_id_callback,
+ (void *)i);
+}
+
+/* Find channel entry by ID. This routine is used internally by the library. */
+
+SilcChannelEntry silc_idlist_get_channel_by_id(SilcClient client,
+ SilcClientConnection conn,
+ SilcChannelID *channel_id,
+ int query)
+{
+ 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_command_send(client, conn, SILC_COMMAND_IDENTIFY,
+ conn->cmd_ident,
+ 1, 5, idp->data, idp->len);
+ silc_buffer_free(idp);
+ }
+
+ return NULL;
+}
+
+/* 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;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (!silc_idcache_find_by_name_one(conn->server_cache, server_name,
+ &id_cache))
+ return NULL;
+
+ entry = (SilcServerEntry)id_cache->context;
+
+ 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;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (!silc_idcache_find_by_id_one(conn->server_cache, (void *)server_id,
+ &id_cache))
+ return NULL;
+
+ entry = (SilcServerEntry)id_cache->context;
+
+ return entry;
+}
+
+/* Removes server from the cache by the server entry. */
+
+bool silc_client_del_server(SilcClient client, SilcClientConnection conn,
+ SilcServerEntry server)
+{
+ bool ret = silc_idcache_del_by_context(conn->server_cache, server);
+ silc_free(server->server_name);
+ silc_free(server->server_info);
+ silc_free(server->server_id);
+ 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);
+}
projects / silc.git / blobdiff