idlist.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2000 Pekka Riikonen
+ 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; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*/
/* $Id$ */
-#include "clientlibincludes.h"
-
-typedef struct {
- SilcClientCommandContext cmd;
- SilcGetClientCallback completion;
- char *nickname;
- char *server;
- void *context;
- int found;
-} *GetClientInternal;
-
-SILC_CLIENT_CMD_FUNC(get_client_callback)
-{
- GetClientInternal i = (GetClientInternal)context;
- SilcClientEntry *clients;
- unsigned int clients_count;
-
- /* Get the clients */
- clients = silc_client_get_clients_local(i->cmd->client, i->cmd->conn,
- i->nickname, i->server,
- &clients_count);
- if (clients) {
- i->completion(i->cmd->client, i->cmd->conn, clients,
- clients_count, i->context);
- i->found = TRUE;
- silc_free(clients);
- }
-}
-
-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);
-
- silc_client_command_free(i->cmd);
- if (i->nickname)
- silc_free(i->nickname);
- if (i->server)
- silc_free(i->server);
- silc_free(i);
-}
-
-/* Finds client entry or entries by the `nickname' and `server'. The
- completion callback will be called when the client entries has been found.
+#include "silc.h"
+#include "silcclient.h"
+#include "client_internal.h"
- 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(SilcClient client,
- SilcClientConnection conn,
- char *nickname,
- 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);
- ctx->command->cb(ctx);
-
- i->cmd = ctx;
- i->nickname = nickname ? strdup(nickname) : NULL;
- i->server = server ? strdup(server) : NULL;
- i->completion = completion;
- i->context = context;
+ Client Searching Locally
- /* Add pending callback */
- silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
- ++conn->cmd_ident,
- silc_client_get_client_destructor,
- silc_client_command_get_client_callback,
- (void *)i);
-}
+******************************************************************************/
-/* Same as above function but does not resolve anything from the server.
- This checks local cache and returns all clients from the cache. */
+/* 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,
- char *nickname,
- char *server,
- unsigned int *clients_count)
+ 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_data_loose(conn->client_cache, nickname, &list))
+ 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 (!server) {
+ 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;
}
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 (!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,
- char *nickname,
- char *server,
- unsigned int num,
- int query)
+ 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_data_loose(conn->client_cache, nickname, &list)) {
+ if (!silc_idcache_find_by_name(conn->internal->client_cache,
+ nicknamec, &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);
-
+
+ /* 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 (!server && !num) {
+ if (!format) {
/* Take first found cache entry */
if (!silc_idcache_list_first(list, &id_cache))
goto identify;
} 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;
+ while (id_cache) {
+ entry = (SilcClientEntry)id_cache->context;
- if (!silc_idcache_list_next(list, &id_cache)) {
- entry = NULL;
- break;
+ if (!silc_utf8_strcasecmp(entry->nickname, format)) {
+ if (!silc_idcache_list_next(list, &id_cache)) {
+ entry = NULL;
+ break;
+ } else {
+ entry = NULL;
+ continue;
+ }
}
- entry = (SilcClientEntry)id_cache->context;
+ break;
}
/* If match weren't found, request it */
goto identify;
}
+ silc_free(nicknamec);
+
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. */
-
-SilcClientEntry silc_client_get_client_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id)
-{
- SilcIDCacheEntry id_cache;
-
- 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(conn->client_cache, client_id,
- SILC_ID_CLIENT, &id_cache))
- return NULL;
-
- SILC_LOG_DEBUG(("Found"));
-
- return (SilcClientEntry)id_cache->context;
-}
-
typedef struct {
SilcClient client;
SilcClientConnection conn;
- SilcClientID *client_id;
+ SilcUInt32 list_count;
+ SilcBuffer client_id_list;
SilcGetClientCallback completion;
void *context;
- int found;
-} *GetClientByIDInternal;
+ int res_count;
+} *GetClientsByListInternal;
-SILC_CLIENT_CMD_FUNC(get_client_by_id_callback)
+SILC_CLIENT_CMD_FUNC(get_clients_list_callback)
{
- GetClientByIDInternal i = (GetClientByIDInternal)context;
- SilcClientEntry entry;
+ 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;
- /* Get the client */
- entry = silc_client_get_client_by_id(i->client, i->conn,
- i->client_id);
- if (entry) {
- i->completion(i->client, i->conn, &entry, 1, i->context);
- i->found = TRUE;
+ SILC_LOG_DEBUG(("Start"));
+
+ if (i->res_count) {
+ i->res_count--;
+ if (i->res_count)
+ return;
}
-}
-static void silc_client_get_client_by_id_destructor(void *context)
-{
- GetClientByIDInternal i = (GetClientByIDInternal)context;
+ 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;
+ }
- if (i->found == FALSE)
+ /* 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)
- silc_free(i->client_id);
+ if (i->client_id_list)
+ silc_buffer_free(i->client_id_list);
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. */
+/* 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_client_by_id_resolve(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id,
- SilcGetClientCallback completion,
- void *context)
+void silc_client_get_clients_by_list(SilcClient client,
+ SilcClientConnection conn,
+ SilcUInt32 list_count,
+ SilcBuffer client_id_list,
+ SilcGetClientCallback completion,
+ void *context)
{
- SilcBuffer idp;
- GetClientByIDInternal i = silc_calloc(1, sizeof(*i));
+ 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;
- 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);
+ assert(client && conn && client_id_list);
- i->client = client;
- i->conn = conn;
- i->client_id = silc_id_dup(client_id, SILC_ID_CLIENT);
- i->completion = completion;
- i->context = context;
-
- /* Add pending callback */
- 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);
-}
+ SILC_LOG_DEBUG(("Start"));
-/* 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. */
+ 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;
-SilcChannelEntry silc_client_get_channel(SilcClient client,
- SilcClientConnection conn,
- char *channel)
-{
- SilcIDCacheEntry id_cache;
- SilcChannelEntry entry;
+ for (i = 0; i < list_count; i++) {
+ SilcUInt16 idp_len;
+ SilcClientID *client_id;
+ SilcClientEntry entry;
+ SilcBool ret;
- if (!silc_idcache_find_by_data_one(conn->channel_cache, channel, &id_cache))
- return NULL;
+ /* 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;
+ }
- entry = (SilcChannelEntry)id_cache->context;
+ /* 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);
- return entry;
+ /* 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