client_notify.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2001 Pekka Riikonen
+ Copyright (C) 1997 - 2006 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
*/
/* $Id$ */
-/* This file includes the Notify packet handling. Notify packets are
- important packets sent by the server. They tell different things to the
- client such as nick changes, mode changes etc. */
-#include "clientlibincludes.h"
+#include "silc.h"
+#include "silcclient.h"
#include "client_internal.h"
+/* Context used for resolving client, channel and server info. */
+typedef struct {
+ void *packet;
+ void *context;
+ SilcSocketConnection sock;
+} *SilcClientNotifyResolve;
+
+SILC_TASK_CALLBACK(silc_client_notify_check_client)
+{
+ SilcClientNotifyResolve res = (SilcClientNotifyResolve)context;
+ SilcClient client = res->context;
+ SilcClientConnection conn = res->sock->user_data;
+ SilcClientID *client_id = res->packet;
+ silc_client_get_client_by_id_resolve(client, conn, client_id,
+ NULL, NULL, NULL);
+ silc_free(client_id);
+ silc_socket_free(res->sock);
+ silc_free(res);
+}
+
+SILC_TASK_CALLBACK(silc_client_notify_del_client_cb)
+{
+ SilcClientNotifyResolve res = (SilcClientNotifyResolve)context;
+ SilcClient client = res->context;
+ SilcClientConnection conn = res->sock->user_data;
+ SilcClientID *client_id = res->packet;
+ SilcClientEntry client_entry;
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (client_entry)
+ silc_client_del_client(client, conn, client_entry);
+ silc_free(client_id);
+ silc_socket_free(res->sock);
+ silc_free(res);
+}
+
/* Called when notify is received and some async operation (such as command)
is required before processing the notify message. This calls again the
silc_client_notify_by_server and reprocesses the original notify packet. */
-static void silc_client_notify_by_server_pending(void *context)
+static void silc_client_notify_by_server_pending(void *context, void *context2)
{
- SilcPacketContext *p = (SilcPacketContext *)context;
- silc_client_notify_by_server(p->context, p->sock, p);
+ SilcClientNotifyResolve res = (SilcClientNotifyResolve)context;
+ SilcClientCommandReplyContext reply =
+ (SilcClientCommandReplyContext)context2;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (reply && !silc_command_get_status(reply->payload, NULL, NULL))
+ goto out;
+
+ silc_client_notify_by_server(res->context, res->sock, res->packet);
+
+ out:
+ silc_socket_free(res->sock);
+ silc_packet_context_free(res->packet);
+ silc_free(res);
}
-/* Destructor for the pending command callback */
+/* Resets the channel entry's resolve_cmd_ident after whatever-thing
+ was resolved is completed. */
-static void silc_client_notify_by_server_destructor(void *context)
+static void silc_client_channel_cond(void *context, void *context2)
{
- silc_packet_context_free((SilcPacketContext *)context);
+ SilcClientNotifyResolve res = (SilcClientNotifyResolve)context;
+ SilcClient client = res->context;
+ SilcClientConnection conn = res->sock->user_data;
+ SilcChannelID *channel_id = res->packet;
+ SilcChannelEntry channel;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (channel)
+ channel->resolve_cmd_ident = 0;
+ silc_free(channel_id);
+ silc_socket_free(res->sock);
+ silc_free(res);
}
-/* Resolve client information from server by Client ID. */
+/* Function that starts waiting for the `cmd_ident' to arrive and
+ marks the channel info being resolved. */
+
+static void silc_client_channel_set_wait(SilcClient client,
+ SilcClientConnection conn,
+ SilcChannelEntry channel,
+ SilcUInt16 cmd_ident)
+{
+ SilcClientNotifyResolve res;
+
+ if (!channel->resolve_cmd_ident) {
+ res = silc_calloc(1, sizeof(*res));
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ res->packet = silc_id_dup(channel->id, SILC_ID_CHANNEL);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE, cmd_ident,
+ silc_client_channel_cond, res);
+ channel->resolve_cmd_ident = cmd_ident;
+ }
+}
+
+/* Attaches to the channel's resolving cmd ident and calls the
+ notify handling with `packet' after it's received. */
+
+static void silc_client_channel_wait(SilcClient client,
+ SilcClientConnection conn,
+ SilcChannelEntry channel,
+ SilcPacketContext *packet)
+{
+ SilcClientNotifyResolve res;
+
+ if (!channel->resolve_cmd_ident)
+ return;
+
+ res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ channel->resolve_cmd_ident,
+ silc_client_notify_by_server_pending, res);
+}
+
+/* Resolve client, channel or server information. */
static void silc_client_notify_by_server_resolve(SilcClient client,
SilcClientConnection conn,
SilcPacketContext *packet,
- SilcClientID *client_id)
+ SilcIdType id_type,
+ void *id)
{
- SilcPacketContext *p = silc_packet_context_dup(packet);
- SilcBuffer idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
-
- p->context = (void *)client;
- p->sock = conn->sock;
-
- silc_client_send_command(client, conn, SILC_COMMAND_WHOIS, ++conn->cmd_ident,
- 1, 3, idp->data, idp->len);
- silc_client_command_pending(conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
- silc_client_notify_by_server_destructor,
- silc_client_notify_by_server_pending, p);
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ SilcBuffer idp = silc_id_payload_encode(id, id_type);
+
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+
+ /* For client resolving use WHOIS, and otherwise use IDENTIFY */
+ if (id_type == SILC_ID_CLIENT) {
+ silc_client_command_register(client, SILC_COMMAND_WHOIS, NULL, NULL,
+ silc_client_command_reply_whois_i, 0,
+ ++conn->cmd_ident);
+ silc_client_command_send(client, conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
+ 1, 4, idp->data, idp->len);
+ silc_client_command_pending(conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
+ silc_client_notify_by_server_pending, res);
+ } else {
+ silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL,
+ silc_client_command_reply_identify_i, 0,
+ ++conn->cmd_ident);
+ silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
+ conn->cmd_ident, 1, 5, idp->data, idp->len);
+ silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
+ silc_client_notify_by_server_pending, res);
+ }
silc_buffer_free(idp);
}
SilcNotifyType type;
SilcArgumentPayload args;
+ void *id;
+ SilcIdType id_type;
SilcClientID *client_id = NULL;
SilcChannelID *channel_id = NULL;
- SilcClientEntry client_entry;
- SilcClientEntry client_entry2;
+ SilcServerID *server_id = NULL;
+ SilcClientEntry client_entry = NULL;
+ SilcClientEntry client_entry2 = NULL;
SilcChannelEntry channel;
SilcChannelUser chu;
- SilcIDCacheEntry id_cache = NULL;
+ SilcServerEntry server;
unsigned char *tmp;
- unsigned int tmp_len, mode;
+ SilcUInt32 tmp_len, mode;
+
+ SILC_LOG_DEBUG(("Start"));
- payload = silc_notify_payload_parse(buffer);
+ payload = silc_notify_payload_parse(buffer->data, buffer->len);
if (!payload)
goto out;
switch(type) {
case SILC_NOTIFY_TYPE_NONE:
/* Notify application */
- client->ops->notify(client, conn, type,
- silc_argument_get_arg_type(args, 1, NULL));
+ client->internal->ops->notify(client, conn, type,
+ silc_argument_get_arg_type(args, 1, NULL));
break;
case SILC_NOTIFY_TYPE_INVITE:
- /*
+ /*
* Someone invited me to a channel. Find Client and Channel entries
* for the application.
*/
-
+
+ SILC_LOG_DEBUG(("Notify: INVITE"));
+
/* Get Channel ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!channel_id)
goto out;
/* Get the channel entry */
- channel = NULL;
- if (silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- channel = (SilcChannelEntry)id_cache->context;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
/* Get sender Client ID */
tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Find Client entry and if not found query it */
client_entry = silc_client_get_client_by_id(client, conn, client_id);
if (!client_entry) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
goto out;
}
goto out;
/* Notify application */
- client->ops->notify(client, conn, type, channel, tmp, client_entry);
+ client->internal->ops->notify(client, conn, type, channel, tmp,
+ client_entry);
break;
case SILC_NOTIFY_TYPE_JOIN:
* cache them for later use.
*/
+ SILC_LOG_DEBUG(("Notify: JOIN"));
+
+ /* Get Channel ID */
+ tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ if (!tmp)
+ goto out;
+
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!channel_id)
+ goto out;
+
+ /* Get channel entry */
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
+ break;
+
/* Get Client ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Find Client entry and if not found query it */
client_entry = silc_client_get_client_by_id(client, conn, client_id);
if (!client_entry) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
goto out;
}
/* If nickname or username hasn't been resolved, do so */
if (!client_entry->nickname || !client_entry->username) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
- goto out;
- }
+ if (client_entry->status & SILC_CLIENT_STATUS_RESOLVING) {
+ /* Attach to existing resolving */
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ client_entry->resolve_cmd_ident,
+ silc_client_notify_by_server_pending,
+ res);
+ goto out;
+ }
- /* Get Channel ID */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
- if (!tmp)
+ /* Do new resolving */
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ client_entry->status |= SILC_CLIENT_STATUS_RESOLVING;
+ client_entry->resolve_cmd_ident = conn->cmd_ident;
goto out;
+ } else {
+ if (client_entry != conn->local_entry)
+ silc_client_nickname_format(client, conn, client_entry);
+ }
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!channel_id)
+ /* If information is being resolved for this channel, wait for it */
+ if (channel->resolve_cmd_ident) {
+ silc_client_channel_wait(client, conn, channel, packet);
goto out;
+ }
- /* Get channel entry */
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- break;
-
- channel = (SilcChannelEntry)id_cache->context;
-
- /* Add client to channel */
- if (client_entry != conn->local_entry) {
+ /* Join the client to channel */
+ if (!silc_client_on_channel(channel, client_entry)) {
chu = silc_calloc(1, sizeof(*chu));
chu->client = client_entry;
- silc_list_add(channel->clients, chu);
+ chu->channel = channel;
+ silc_hash_table_add(channel->user_list, client_entry, chu);
+ silc_hash_table_add(client_entry->channels, channel, chu);
}
- /* XXX add support for multiple same nicks on same channel. Check
- for them here */
-
/* Notify application. The channel entry is sent last as this notify
is for channel but application don't know it from the arguments
sent by server. */
- client->ops->notify(client, conn, type, client_entry, channel);
+ client->internal->ops->notify(client, conn, type, client_entry, channel);
break;
case SILC_NOTIFY_TYPE_LEAVE:
* Someone has left a channel. We will remove it from the channel but
* we'll keep it in the cache in case we'll need it later.
*/
-
+
+ SILC_LOG_DEBUG(("Notify: LEAVE"));
+
/* Get Client ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Find Client entry */
- client_entry =
+ client_entry =
silc_client_get_client_by_id(client, conn, client_id);
if (!client_entry)
goto out;
SILC_ID_CHANNEL);
if (!channel_id)
goto out;
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
break;
- channel = (SilcChannelEntry)id_cache->context;
-
/* Remove client from channel */
- silc_list_start(channel->clients);
- while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
- if (chu->client == client_entry) {
- silc_list_del(channel->clients, chu);
- silc_free(chu);
- break;
- }
+ chu = silc_client_on_channel(channel, client_entry);
+ if (chu) {
+ silc_hash_table_del(client_entry->channels, channel);
+ silc_hash_table_del(channel->user_list, client_entry);
+ silc_free(chu);
+ }
+
+ /* Some client implementations actually quit network by first doing
+ LEAVE and then immediately SIGNOFF. We'll check for this by doing
+ check for the client after 5 - 34 seconds. If it is not valid after
+ that we'll remove the client from cache. */
+ if (!silc_hash_table_count(client_entry->channels)) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ res->packet = silc_id_dup(client_id, SILC_ID_CLIENT);
+ silc_schedule_task_add(client->schedule, conn->sock->sock,
+ silc_client_notify_check_client, res,
+ (5 + (silc_rng_get_rn16(client->rng) % 29)),
+ 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
}
/* Notify application. The channel entry is sent last as this notify
is for channel but application don't know it from the arguments
sent by server. */
- client->ops->notify(client, conn, type, client_entry, channel);
+ client->internal->ops->notify(client, conn, type, client_entry, channel);
break;
case SILC_NOTIFY_TYPE_SIGNOFF:
* Someone left SILC. We'll remove it from all channels and from cache.
*/
+ SILC_LOG_DEBUG(("Notify: SIGNOFF"));
+
/* Get Client ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Find Client entry */
- client_entry =
+ client_entry =
silc_client_get_client_by_id(client, conn, client_id);
if (!client_entry)
goto out;
- /* Remove from all channels */
- silc_client_remove_from_channels(client, conn, client_entry);
-
- /* Remove from cache */
- silc_idcache_del_by_id(conn->client_cache, SILC_ID_CLIENT,
- client_entry->id);
-
/* Get signoff message */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
if (tmp_len > 128)
tmp = NULL;
/* Notify application */
- client->ops->notify(client, conn, type, client_entry, tmp);
+ client->internal->ops->notify(client, conn, type, client_entry, tmp);
+
+ /* Remove from all channels */
+ silc_client_remove_from_channels(client, conn, client_entry);
+
+ /* Remove from cache */
+ silc_idcache_del_by_context(conn->internal->client_cache, client_entry);
/* Free data */
- if (client_entry->nickname)
- silc_free(client_entry->nickname);
- if (client_entry->server)
- silc_free(client_entry->server);
- if (client_entry->id)
- silc_free(client_entry->id);
- 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_client_del_client_entry(client, conn, client_entry);
break;
case SILC_NOTIFY_TYPE_TOPIC_SET:
* Someone set the topic on a channel.
*/
- /* Get Client ID */
+ SILC_LOG_DEBUG(("Notify: TOPIC_SET"));
+
+ /* Get channel entry */
+ channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+ SILC_ID_CHANNEL);
+ if (!channel_id)
+ goto out;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
+ break;
+
+ /* Get ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
-
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!client_id)
+ id = silc_id_payload_parse_id(tmp, tmp_len, &id_type);
+ if (!id)
goto out;
/* Find Client entry */
- client_entry =
- silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
+ if (id_type == SILC_ID_CLIENT) {
+ /* Find Client entry */
+ client_id = id;
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ }
+ } else if (id_type == SILC_ID_SERVER) {
+ /* Find Server entry */
+ server_id = id;
+ server = silc_client_get_server_by_id(client, conn, server_id);
+ if (!server) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_SERVER, server_id);
+ server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+ if (!server)
+ goto out;
+
+ server->resolve_cmd_ident = conn->cmd_ident;
+ server_id = NULL;
+ goto out;
+ }
+
+ /* If entry being resoled, wait for it before processing this notify */
+ if (server->resolve_cmd_ident) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ server->resolve_cmd_ident,
+ silc_client_notify_by_server_pending, res);
+ goto out;
+ }
+
+ /* Save the pointer to the client_entry pointer */
+ client_entry = (SilcClientEntry)server;
+ } else {
+ /* Find Channel entry */
+ silc_free(channel_id);
+ channel_id = id;
+ client_entry = (SilcClientEntry)
+ silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CHANNEL, channel_id);
+ goto out;
+ }
+ }
/* Get topic */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
if (!tmp)
goto out;
- /* Get channel entry */
- channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
- SILC_ID_CHANNEL);
- if (!channel_id)
+ /* If information is being resolved for this channel, wait for it */
+ if (channel->resolve_cmd_ident) {
+ silc_client_channel_wait(client, conn, channel, packet);
goto out;
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- break;
+ }
- channel = (SilcChannelEntry)id_cache->context;
+ if (tmp) {
+ silc_free(channel->topic);
+ channel->topic = silc_memdup(tmp, strlen(tmp));
+ }
/* Notify application. The channel entry is sent last as this notify
is for channel but application don't know it from the arguments
sent by server. */
- client->ops->notify(client, conn, type, client_entry, tmp, channel);
+ client->internal->ops->notify(client, conn, type, id_type,
+ client_entry, tmp, channel);
+
break;
case SILC_NOTIFY_TYPE_NICK_CHANGE:
/*
* Someone changed their nickname. If we don't have entry for the new
* ID we will query it and return here after it's done. After we've
- * returned we fetch the old entry and free it and notify the
+ * returned we fetch the old entry and free it and notify the
* application.
*/
+ SILC_LOG_DEBUG(("Notify: NICK_CHANGE"));
+
/* Get old Client ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Ignore my ID */
- if (!SILC_ID_CLIENT_COMPARE(client_id, conn->local_id))
+ if (conn->local_id && SILC_ID_CLIENT_COMPARE(client_id, conn->local_id))
break;
/* Find old Client entry */
if (!client_entry)
goto out;
silc_free(client_id);
+ client_id = NULL;
+
+ /* Wait for resolving if necessary */
+ if (client_entry->status & SILC_CLIENT_STATUS_RESOLVING) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ client_entry->resolve_cmd_ident,
+ silc_client_notify_by_server_pending, res);
+ goto out;
+ }
+
+ client_entry->valid = FALSE;
/* Get new Client ID */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
- /* Find Client entry and if not found resolve it */
- client_entry2 = silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry2) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
+ /* Take the nickname */
+ tmp = silc_argument_get_arg_type(args, 3, NULL);
+ if (!tmp)
goto out;
+
+ /* Check whether nickname changed at all. It is possible that nick
+ change notify is received but nickname didn't change, only the
+ ID changes. Check whether the hashes in the Client ID match, if
+ they do nickname didn't change. */
+ if (SILC_ID_COMPARE_HASH(client_entry->id, client_id) &&
+ silc_utf8_strcasecmp(tmp, client_entry->nickname)) {
+ /* Nickname didn't change. Update only Client ID. */
+
+ /* Normalize nickname */
+ tmp = silc_identifier_check(tmp, strlen(tmp),
+ SILC_STRING_UTF8, 128, NULL);
+ if (!tmp)
+ goto out;
+
+ silc_idcache_del_by_context(conn->internal->client_cache,
+ client_entry);
+ silc_free(client_entry->id);
+ client_entry->id = silc_id_dup(client_id, SILC_ID_CLIENT);
+ silc_idcache_add(conn->internal->client_cache, tmp,
+ client_entry->id, client_entry, 0, NULL);
+
+ /* Notify application */
+ client->internal->ops->notify(client, conn, type,
+ client_entry, client_entry);
+ break;
}
+ /* Create new client entry, and save all old information with the
+ new nickname and client ID */
+ client_entry2 = silc_client_add_client(client, conn, NULL, NULL,
+ client_entry->realname,
+ silc_id_dup(client_id,
+ SILC_ID_CLIENT), 0);
+ if (!client_entry2)
+ goto out;
+
+ if (client_entry->server)
+ client_entry2->server = strdup(client_entry->server);
+ if (client_entry->username)
+ client_entry2->username = strdup(client_entry->username);
+ if (client_entry->hostname)
+ client_entry2->hostname = strdup(client_entry->hostname);
+ client_entry2->fingerprint = client_entry->fingerprint;
+ client_entry2->fingerprint_len = client_entry->fingerprint_len;
+ client_entry->fingerprint = NULL;
+ client_entry->fingerprint_len = 0;
+ silc_client_update_client(client, conn, client_entry2, tmp, NULL, NULL,
+ client_entry->mode);
+
/* Remove the old from cache */
- silc_idcache_del_by_id(conn->client_cache, SILC_ID_CLIENT,
- client_entry->id);
+ silc_idcache_del_by_context(conn->internal->client_cache, client_entry);
/* Replace old ID entry with new one on all channels. */
silc_client_replace_from_channels(client, conn, client_entry,
client_entry2);
/* Notify application */
- client->ops->notify(client, conn, type, client_entry, client_entry2);
+ client->internal->ops->notify(client, conn, type,
+ client_entry, client_entry2);
+
+ /* Free old client entry */
+ silc_client_del_client_entry(client, conn, client_entry);
- /* Free data */
- if (client_entry->nickname)
- silc_free(client_entry->nickname);
- if (client_entry->server)
- silc_free(client_entry->server);
- if (client_entry->id)
- silc_free(client_entry->id);
- 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);
break;
case SILC_NOTIFY_TYPE_CMODE_CHANGE:
- /*
- * Someone changed a channel mode
- */
+ {
+ /*
+ * Someone changed a channel mode
+ */
+ char *passphrase, *cipher, *hmac;
+ SilcPublicKey founder_key = NULL;
+ SilcBufferStruct chpks;
+
+ SILC_LOG_DEBUG(("Notify: CMODE_CHANGE"));
+
+ /* Get channel entry */
+ channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+ SILC_ID_CHANNEL);
+ if (!channel_id)
+ goto out;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
+ goto out;
+
+ /* Get ID */
+ tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
+ if (!tmp)
+ goto out;
+ id = silc_id_payload_parse_id(tmp, tmp_len, &id_type);
+ if (!id)
+ goto out;
+
+ /* Find Client entry */
+ if (id_type == SILC_ID_CLIENT) {
+ /* Find Client entry */
+ client_id = id;
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ }
+
+ if (!client_entry->nickname) {
+ if (client_entry->status & SILC_CLIENT_STATUS_RESOLVING) {
+ /* Attach to existing resolving */
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ client_entry->resolve_cmd_ident,
+ silc_client_notify_by_server_pending,
+ res);
+ goto out;
+ }
+
+ /* Do new resolving */
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ client_entry->status |= SILC_CLIENT_STATUS_RESOLVING;
+ client_entry->resolve_cmd_ident = conn->cmd_ident;
+ goto out;
+ }
+ } else if (id_type == SILC_ID_SERVER) {
+ /* Find Server entry */
+ server_id = id;
+ server = silc_client_get_server_by_id(client, conn, server_id);
+ if (!server) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_SERVER, server_id);
+ server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+ if (!server)
+ goto out;
+
+ server->resolve_cmd_ident = conn->cmd_ident;
+ server_id = NULL;
+ goto out;
+ }
+
+ /* If entry being resoled, wait for it before processing this notify */
+ if (server->resolve_cmd_ident) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ server->resolve_cmd_ident,
+ silc_client_notify_by_server_pending,
+ res);
+ goto out;
+ }
+
+ /* Save the pointer to the client_entry pointer */
+ client_entry = (SilcClientEntry)server;
+ } else {
+ /* Find Channel entry */
+ silc_free(channel_id);
+ channel_id = id;
+ client_entry = (SilcClientEntry)
+ silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CHANNEL, channel_id);
+ goto out;
+ }
+ }
- /* Get Client ID */
- tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
- if (!tmp)
- goto out;
+ /* Get the mode */
+ tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ if (!tmp)
+ goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!client_id)
- goto out;
+ SILC_GET32_MSB(mode, tmp);
- /* Find Client entry */
- client_entry =
- silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
+ /* If information is being resolved for this channel, wait for it */
+ if (channel->resolve_cmd_ident) {
+ silc_client_channel_wait(client, conn, channel, packet);
+ goto out;
+ }
- /* Get the mode */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
- if (!tmp)
- goto out;
+ /* Save the new mode */
+ channel->mode = mode;
- SILC_GET32_MSB(mode, tmp);
+ /* Get the cipher */
+ cipher = silc_argument_get_arg_type(args, 3, &tmp_len);
- /* Get channel entry */
- channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
- SILC_ID_CHANNEL);
- if (!channel_id)
- goto out;
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- break;
+ /* Get the hmac */
+ hmac = silc_argument_get_arg_type(args, 4, &tmp_len);
+ if (hmac) {
+ unsigned char hash[SILC_HASH_MAXLEN];
- channel = (SilcChannelEntry)id_cache->context;
+ if (channel->hmac)
+ silc_hmac_free(channel->hmac);
+ if (!silc_hmac_alloc(hmac, NULL, &channel->hmac))
+ goto out;
- /* Save the new mode */
- channel->mode = mode;
+ silc_hash_make(silc_hmac_get_hash(channel->hmac),
+ channel->key, channel->key_len / 8,
+ hash);
+ silc_hmac_set_key(channel->hmac, hash,
+ silc_hash_len(silc_hmac_get_hash(channel->hmac)));
+ memset(hash, 0, sizeof(hash));
+ }
- /* Notify application. The channel entry is sent last as this notify
- is for channel but application don't know it from the arguments
- sent by server. */
- client->ops->notify(client, conn, type, client_entry, mode, channel);
+ /* Get the passphrase if it was set */
+ passphrase = silc_argument_get_arg_type(args, 5, &tmp_len);
+
+ /* Get the channel founder key if it was set */
+ tmp = silc_argument_get_arg_type(args, 6, &tmp_len);
+ if (tmp) {
+ if (!silc_pkcs_public_key_payload_decode(tmp, tmp_len, &founder_key))
+ founder_key = NULL;
+ }
+
+ /* Get user limit */
+ tmp = silc_argument_get_arg_type(args, 8, &tmp_len);
+ if (tmp && tmp_len == 4)
+ SILC_GET32_MSB(channel->user_limit, tmp);
+ if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT))
+ channel->user_limit = 0;
+
+ /* Get the channel public key that was added or removed */
+ tmp = silc_argument_get_arg_type(args, 7, &tmp_len);
+ if (tmp)
+ silc_buffer_set(&chpks, tmp, tmp_len);
+
+ /* Notify application. The channel entry is sent last as this notify
+ is for channel but application don't know it from the arguments
+ sent by server. */
+ client->internal->ops->notify(client, conn, type, id_type,
+ client_entry, mode, cipher, hmac,
+ passphrase, founder_key,
+ tmp ? &chpks : NULL, channel);
+
+ if (founder_key)
+ silc_pkcs_public_key_free(founder_key);
+ }
break;
case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
* Someone changed user's mode on a channel
*/
- /* Get Client ID */
+ SILC_LOG_DEBUG(("Notify: CUMODE_CHANGE"));
+
+ /* Get channel entry */
+ channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
+ SILC_ID_CHANNEL);
+ if (!channel_id)
+ goto out;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
+ break;
+
+ /* Get ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
-
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!client_id)
+ id = silc_id_payload_parse_id(tmp, tmp_len, &id_type);
+ if (!id)
goto out;
/* Find Client entry */
- client_entry =
- silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
+ if (id_type == SILC_ID_CLIENT) {
+ /* Find Client entry */
+ client_id = id;
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ }
+
+ if (!client_entry->nickname) {
+ if (client_entry->status & SILC_CLIENT_STATUS_RESOLVING) {
+ /* Attach to existing resolving */
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ client_entry->resolve_cmd_ident,
+ silc_client_notify_by_server_pending,
+ res);
+ goto out;
+ }
+
+ /* Do new resolving */
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ client_entry->status |= SILC_CLIENT_STATUS_RESOLVING;
+ client_entry->resolve_cmd_ident = conn->cmd_ident;
+ goto out;
+ }
+ } else if (id_type == SILC_ID_SERVER) {
+ /* Find Server entry */
+ server_id = id;
+ server = silc_client_get_server_by_id(client, conn, server_id);
+ if (!server) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_SERVER, server_id);
+ server = silc_client_add_server(client, conn, NULL, NULL, server_id);
+ if (!server)
+ goto out;
+
+ server->resolve_cmd_ident = conn->cmd_ident;
+ server_id = NULL;
+ goto out;
+ }
+
+ /* If entry being resoled, wait for it before processing this notify */
+ if (server->resolve_cmd_ident) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ server->resolve_cmd_ident,
+ silc_client_notify_by_server_pending, res);
+ goto out;
+ }
+
+ /* Save the pointer to the client_entry pointer */
+ client_entry = (SilcClientEntry)server;
+ } else {
+ /* Find Channel entry */
+ silc_free(channel_id);
+ channel_id = id;
+ client_entry = (SilcClientEntry)
+ silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!client_entry) {
+ silc_client_channel_set_wait(client, conn, channel,
+ conn->cmd_ident + 1);
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CHANNEL, channel_id);
+ goto out;
+ }
+ }
/* Get the mode */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
SILC_GET32_MSB(mode, tmp);
+ /* If information is being resolved for this channel, wait for it */
+ if (channel->resolve_cmd_ident) {
+ silc_client_channel_wait(client, conn, channel, packet);
+ goto out;
+ }
+
/* Get target Client ID */
tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
if (!tmp)
goto out;
silc_free(client_id);
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
/* Find target Client entry */
- client_entry2 =
+ client_entry2 =
silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry2)
- goto out;
-
- /* Get channel entry */
- channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
- SILC_ID_CHANNEL);
- if (!channel_id)
+ if (!client_entry2) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
goto out;
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- break;
-
- channel = (SilcChannelEntry)id_cache->context;
+ }
/* Save the mode */
- silc_list_start(channel->clients);
- while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
- if (chu->client == client_entry) {
- chu->mode = mode;
- break;
- }
- }
+ chu = silc_client_on_channel(channel, client_entry2);
+ if (chu)
+ chu->mode = mode;
/* Notify application. The channel entry is sent last as this notify
is for channel but application don't know it from the arguments
sent by server. */
- client->ops->notify(client, conn, type, client_entry, mode,
- client_entry2, channel);
+ client->internal->ops->notify(client, conn, type,
+ id_type, client_entry, mode,
+ client_entry2, channel);
break;
case SILC_NOTIFY_TYPE_MOTD:
* Received Message of the day
*/
+ SILC_LOG_DEBUG(("Notify: MOTD"));
+
/* Get motd */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
-
+
/* Notify application */
- client->ops->notify(client, conn, type, tmp);
+ client->internal->ops->notify(client, conn, type, tmp);
break;
case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
* ID to the one provided here.
*/
+ SILC_LOG_DEBUG(("Notify: CHANNEL_CHANGE"));
+
/* Get the old ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!channel_id)
goto out;
-
- /* Get the channel entry */
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- break;
- channel = (SilcChannelEntry)id_cache->context;
+ /* Get the channel entry */
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
+ goto out;
- /* Free the old ID */
silc_free(channel_id);
- silc_free(channel->id);
+ channel_id = NULL;
/* Get the new ID */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
if (!tmp)
goto out;
- channel->id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!channel->id)
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!channel_id)
goto out;
- id_cache->id = (void *)channel->id;
+ /* Replace the Channel ID */
+ if (silc_client_replace_channel_id(client, conn, channel, channel_id))
+ channel_id = NULL;
/* Notify application */
- client->ops->notify(client, conn, type, channel, channel);
+ client->internal->ops->notify(client, conn, type, channel, channel);
break;
case SILC_NOTIFY_TYPE_KICKED:
* A client (maybe me) was kicked from a channel
*/
+ SILC_LOG_DEBUG(("Notify: KICKED"));
+
/* Get Client ID */
tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
if (!tmp)
goto out;
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id)
goto out;
SILC_ID_CHANNEL);
if (!channel_id)
goto out;
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel)
break;
- channel = (SilcChannelEntry)id_cache->context;
+ /* From protocol version 1.1 we get the kicker's client ID as well */
+ tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
+ if (tmp) {
+ silc_free(client_id);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
+
+ /* Find kicker's client entry and if not found resolve it */
+ client_entry2 = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry2) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ } else {
+ if (client_entry2 != conn->local_entry)
+ silc_client_nickname_format(client, conn, client_entry2);
+ }
+ }
/* Get comment */
tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ /* Remove kicked client from channel */
+ if (client_entry != conn->local_entry) {
+ chu = silc_client_on_channel(channel, client_entry);
+ if (chu) {
+ silc_hash_table_del(client_entry->channels, channel);
+ silc_hash_table_del(channel->user_list, client_entry);
+ silc_free(chu);
+ }
+ }
+
/* Notify application. The channel entry is sent last as this notify
is for channel but application don't know it from the arguments
sent by server. */
- client->ops->notify(client, conn, type, client_entry, tmp, channel);
+ client->internal->ops->notify(client, conn, type, client_entry, tmp,
+ client_entry2, channel);
- /* If I was kicked from channel, remove the channel */
+ /* Remove kicked client (us) from channel */
if (client_entry == conn->local_entry) {
+ /* If I was kicked from channel, remove the channel */
if (conn->current_channel == channel)
conn->current_channel = NULL;
- silc_idcache_del_by_id(conn->channel_cache,
- SILC_ID_CHANNEL, channel->id);
- silc_free(channel->channel_name);
- silc_free(channel->id);
- silc_free(channel->key);
- silc_cipher_free(channel->channel_key);
- silc_free(channel);
+ silc_client_del_channel(client, conn, channel);
+ } else {
+ if (!silc_hash_table_count(client_entry->channels)) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ res->packet = silc_id_dup(client_entry->id, SILC_ID_CLIENT);
+ silc_schedule_task_add(client->schedule, conn->sock->sock,
+ silc_client_notify_check_client, res,
+ (5 + (silc_rng_get_rn16(client->rng) % 529)),
+ 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+ }
}
break;
case SILC_NOTIFY_TYPE_KILLED:
- /*
- * A client (maybe me) was killed from the network.
- */
+ {
+ /*
+ * A client (maybe me) was killed from the network.
+ */
+ char *comment;
+ SilcUInt32 comment_len;
+
+ SILC_LOG_DEBUG(("Notify: KILLED"));
+
+ /* Get Client ID */
+ tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
+ if (!tmp)
+ goto out;
+
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
+
+ /* Find Client entry */
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry)
+ goto out;
+
+ /* Get comment */
+ comment = silc_argument_get_arg_type(args, 2, &comment_len);
+
+ /* From protocol version 1.1 we get killer's client ID as well */
+ tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
+ if (tmp) {
+ silc_free(client_id);
+ client_id = NULL;
+ id = silc_id_payload_parse_id(tmp, tmp_len, &id_type);
+ if (!id)
+ goto out;
+
+ /* Find Client entry */
+ if (id_type == SILC_ID_CLIENT) {
+ /* Find Client entry */
+ client_id = id;
+ client_entry2 = silc_client_get_client_by_id(client, conn,
+ client_id);
+ if (!client_entry) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ }
+ } else if (id_type == SILC_ID_SERVER) {
+ /* Find Server entry */
+ server_id = id;
+ server = silc_client_get_server_by_id(client, conn, server_id);
+ if (!server) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_SERVER, server_id);
+ server = silc_client_add_server(client, conn, NULL, NULL,
+ server_id);
+ if (!server)
+ goto out;
+
+ server->resolve_cmd_ident = conn->cmd_ident;
+ server_id = NULL;
+ goto out;
+ }
+
+ if (server->resolve_cmd_ident) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->packet = silc_packet_context_dup(packet);
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ silc_client_command_pending(conn, SILC_COMMAND_NONE,
+ server->resolve_cmd_ident,
+ silc_client_notify_by_server_pending,
+ res);
+ goto out;
+ }
+
+ /* Save the pointer to the client_entry pointer */
+ client_entry2 = (SilcClientEntry)server;
+ } else {
+ /* Find Channel entry */
+ channel_id = id;
+ channel = silc_client_get_channel_by_id(client, conn, channel_id);
+ if (!channel) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CHANNEL, channel_id);
+ goto out;
+ }
+
+ /* Save the pointer to the client_entry pointer */
+ client_entry2 = (SilcClientEntry)channel;
+ silc_free(channel_id);
+ channel_id = NULL;
+ }
+ }
- /* Get Client ID */
- tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
- if (!tmp)
- goto out;
+ /* Notify application. */
+ client->internal->ops->notify(client, conn, type, client_entry,
+ comment, id_type, client_entry2);
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
- if (!client_id)
- goto out;
+ if (client_entry != conn->local_entry)
+ /* Remove the client from all channels and free it */
+ silc_client_del_client(client, conn, client_entry);
+ }
+ break;
- /* Find Client entry */
- client_entry = silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
+ case SILC_NOTIFY_TYPE_SERVER_SIGNOFF:
+ {
+ /*
+ * A server quit the SILC network and some clients must be removed
+ * from channels as they quit as well.
+ */
+ SilcClientEntry *clients = NULL;
+ SilcUInt32 clients_count = 0;
+ int i;
+
+ SILC_LOG_DEBUG(("Notify: SIGNOFF"));
+
+ for (i = 1; i < silc_argument_get_arg_num(args); i++) {
+ /* Get Client ID */
+ tmp = silc_argument_get_arg_type(args, i + 1, &tmp_len);
+ if (tmp) {
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
+
+ /* Get the client entry */
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (client_entry) {
+ clients = silc_realloc(clients, sizeof(*clients) *
+ (clients_count + 1));
+ clients[clients_count] = client_entry;
+ clients_count++;
+ }
+ silc_free(client_id);
+ }
+ }
+ client_id = NULL;
+
+ /* Notify application. We don't keep server entries so the server
+ entry is returned as NULL. The client's are returned as array
+ of SilcClientEntry pointers. */
+ client->internal->ops->notify(client, conn, type, NULL,
+ clients, clients_count);
+
+ for (i = 0; i < clients_count; i++) {
+ /* Remove client from all channels */
+ client_entry = clients[i];
+ if (client_entry == conn->local_entry)
+ continue;
+
+ /* Remove the client from all channels and free it */
+ silc_client_del_client(client, conn, client_entry);
+ }
+ silc_free(clients);
- /* Get comment */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ }
+ break;
- /* Notify application. The channel entry is sent last as this notify
- is for channel but application don't know it from the arguments
- sent by server. */
- client->ops->notify(client, conn, type, client_entry, tmp);
+ case SILC_NOTIFY_TYPE_ERROR:
+ {
+ /*
+ * Some has occurred and server is notifying us about it.
+ */
+ SilcStatus error;
+
+ tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
+ if (!tmp && tmp_len != 1)
+ goto out;
+ error = (SilcStatus)tmp[0];
+
+ SILC_LOG_DEBUG(("Notify: ERROR (%d)", error));
+
+ if (error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+ tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ if (tmp) {
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
+ client_entry = silc_client_get_client_by_id(client, conn,
+ client_id);
+ if (client_entry)
+ silc_client_del_client(client, conn, client_entry);
+ }
+ }
- if (client_entry != conn->local_entry) {
- /* Remove client from all channels */
- silc_client_remove_from_channels(client, conn, client_entry);
- silc_idcache_del_by_id(conn->client_cache, SILC_ID_CLIENT,
- client_entry->id);
- if (client_entry->nickname)
- silc_free(client_entry->nickname);
- if (client_entry->server)
- silc_free(client_entry->server);
- if (client_entry->id)
- silc_free(client_entry->id);
- 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);
+ /* Notify application. */
+ client->internal->ops->notify(client, conn, type, error);
}
+ break;
+
+ case SILC_NOTIFY_TYPE_WATCH:
+ {
+ /*
+ * Received notify about some client we are watching
+ */
+ SilcNotifyType notify = 0;
+ SilcBool del_client = FALSE;
+ unsigned char *pk;
+ SilcUInt32 pk_len;
+ SilcPublicKey public_key = NULL;
+
+ SILC_LOG_DEBUG(("Notify: WATCH"));
+
+ /* Get sender Client ID */
+ tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
+ if (!tmp)
+ goto out;
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
+
+ /* Find Client entry and if not found query it */
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+ goto out;
+ }
+
+ /* Get user mode */
+ tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
+ if (!tmp || tmp_len != 4)
+ goto out;
+ SILC_GET32_MSB(mode, tmp);
+
+ /* Get notify type */
+ tmp = silc_argument_get_arg_type(args, 4, &tmp_len);
+ if (tmp && tmp_len != 2)
+ goto out;
+ if (tmp)
+ SILC_GET16_MSB(notify, tmp);
+
+ /* Get nickname */
+ tmp = silc_argument_get_arg_type(args, 2, NULL);
+ if (tmp) {
+ char *tmp_nick = NULL;
+
+ if (client->internal->params->nickname_parse)
+ client->internal->params->nickname_parse(client_entry->nickname,
+ &tmp_nick);
+ else
+ tmp_nick = strdup(tmp);
+
+ /* If same nick, the client was new to us and has become "present"
+ to network. Send NULL as nick to application. */
+ if (tmp_nick && silc_utf8_strcasecmp(tmp, tmp_nick))
+ tmp = NULL;
+
+ silc_free(tmp_nick);
+ }
+ /* Get public key, if present */
+ pk = silc_argument_get_arg_type(args, 5, &pk_len);
+ if (pk && !client_entry->public_key) {
+ if (silc_pkcs_public_key_payload_decode(pk, pk_len, &public_key)) {
+ client_entry->public_key = public_key;
+ public_key = NULL;
+ }
+ }
+
+ /* Notify application. */
+ client->internal->ops->notify(client, conn, type, client_entry,
+ tmp, mode, notify,
+ client_entry->public_key);
+
+ client_entry->mode = mode;
+
+ /* If nickname was changed, remove the client entry unless the
+ client is on some channel */
+ if (tmp && notify == SILC_NOTIFY_TYPE_NICK_CHANGE &&
+ !silc_hash_table_count(client_entry->channels))
+ del_client = TRUE;
+ else if (notify == SILC_NOTIFY_TYPE_SIGNOFF ||
+ notify == SILC_NOTIFY_TYPE_SERVER_SIGNOFF ||
+ notify == SILC_NOTIFY_TYPE_KILLED)
+ del_client = TRUE;
+
+ if (del_client) {
+ SilcClientNotifyResolve res = silc_calloc(1, sizeof(*res));
+ res->context = client;
+ res->sock = silc_socket_dup(conn->sock);
+ res->packet = client_id;
+ client_id = NULL;
+ silc_schedule_task_add(client->schedule, conn->sock->sock,
+ silc_client_notify_del_client_cb, res,
+ 1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+ }
+
+ silc_pkcs_public_key_free(public_key);
+ }
break;
-
+
default:
break;
}
out:
silc_notify_payload_free(payload);
- if (client_id)
- silc_free(client_id);
- if (channel_id)
- silc_free(channel_id);
+ silc_free(client_id);
+ silc_free(channel_id);
+ silc_free(server_id);
}