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"
typedef struct {
SilcClientCommandContext cmd;
void silc_client_get_clients(SilcClient client,
SilcClientConnection conn,
- char *nickname,
- char *server,
+ const char *nickname,
+ const char *server,
SilcGetClientCallback completion,
void *context)
{
(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,
+ 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, nickname, &list))
+ if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname, &list))
return NULL;
if (!silc_idcache_list_count(list)) {
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 (strcasecmp(entry->nickname, format)) {
if (!silc_idcache_list_next(list, &id_cache)) {
break;
} else {
}
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;
}
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) *
SilcClientEntry silc_idlist_get_client(SilcClient client,
SilcClientConnection conn,
- char *nickname,
- char *server,
- uint32 num,
- int query)
+ const char *nickname,
+ const char *format,
+ bool query)
{
SilcIDCacheEntry id_cache;
SilcIDCacheList list = NULL;
SilcClientEntry entry = NULL;
+ SILC_LOG_DEBUG(("Start"));
+
/* Find ID from cache */
- if (!silc_idcache_find_by_name(conn->client_cache, nickname, &list)) {
+ if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname,
+ &list)) {
identify:
if (query) {
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 (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 */
SilcBuffer idp;
GetClientByIDInternal i = silc_calloc(1, sizeof(*i));
+ SILC_LOG_DEBUG(("Start"));
+
idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
silc_client_send_command(client, conn, SILC_COMMAND_WHOIS,
++conn->cmd_ident,
(void *)i);
}
+/* 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);
}
SilcClientEntry client_entry)
{
bool ret = silc_idcache_del_by_context(conn->client_cache, client_entry);
- silc_client_del_client_entry(client, client_entry);
+ silc_client_del_client_entry(client, conn, client_entry);
return ret;
}
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;
SilcIDCacheEntry id_cache;
SilcChannelEntry entry;
+ SILC_LOG_DEBUG(("Start"));
+
if (!silc_idcache_find_by_name_one(conn->channel_cache, channel,
&id_cache))
return NULL;
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;
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);
SilcBuffer idp;
GetChannelByIDInternal i = silc_calloc(1, sizeof(*i));
+ SILC_LOG_DEBUG(("Start"));
+
idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
silc_client_send_command(client, conn, SILC_COMMAND_IDENTIFY,
++conn->cmd_ident,
SilcBuffer idp;
SilcChannelEntry channel;
+ SILC_LOG_DEBUG(("Start"));
+
channel = silc_client_get_channel_by_id(client, conn, channel_id);
if (channel)
return channel;
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;
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;
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->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->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->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);
+}
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