#include "silcclient.h"
#include "client_internal.h"
+/* Context used for resolving client, channel and server info. */
typedef struct {
- SilcPacketContext *packet;
+ 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);
+ 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. */
SILC_LOG_DEBUG(("Start"));
- if (reply) {
- SilcCommandStatus status = silc_command_get_status(reply->payload);
- if (status != SILC_STATUS_OK)
- goto out;
- }
+ if (reply && !silc_command_get_status(reply->payload, NULL, NULL))
+ goto out;
silc_client_notify_by_server(res->context, res->sock, res->packet);
res->context = client;
res->sock = silc_socket_dup(conn->sock);
- /* For client resolving use WHOIS, and oterhwise use IDENTIFY */
+ /* 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, 3, idp->data, idp->len);
+ 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 {
client_entry->status &= ~SILC_CLIENT_STATUS_RESOLVING;
goto out;
}
- client_entry->status |= SILC_CLIENT_STATUS_RESOLVING;
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_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. */
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_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) {
- /* Resolve the entry information */
- silc_client_notify_by_server_resolve(client, conn, packet,
- SILC_ID_CLIENT, client_id);
-
- /* Add the new entry even though we resolved it. This is because we
- want to replace the old entry with the new entry here right now. */
- client_entry2 =
- silc_client_add_client(client, conn, NULL, NULL, NULL,
- silc_id_dup(client_id, SILC_ID_CLIENT),
- client_entry->mode);
+ /* From protocol version 1.1 we get the new nickname in notify as well,
+ so we don't have to resolve it. Do it the hard way if server doesn't
+ send it to us. */
+ tmp = silc_argument_get_arg_type(args, 3, NULL);
+ if (tmp) {
+ /* Protocol version 1.1 */
+ char *tmp_nick = NULL;
+
+ /* Check whether nickname changed at all. It is possible that nick
+ change notify is received but nickname didn't changed, only the
+ ID changes. */
+ if (client->internal->params->nickname_parse)
+ client->internal->params->nickname_parse(client_entry->nickname,
+ &tmp_nick);
+ else
+ tmp_nick = strdup(tmp);
+
+ if (tmp_nick && !strcmp(tmp, tmp_nick)) {
+ /* Nickname didn't change. Update only the ID */
+ silc_idcache_del_by_context(conn->client_cache, client_entry);
+ silc_free(client_entry->id);
+ client_entry->id = silc_id_dup(client_id, SILC_ID_CLIENT);
+ silc_idcache_add(conn->client_cache, strdup(tmp),
+ client_entry->id, client_entry, 0, NULL);
+
+ /* Notify application */
+ client->internal->ops->notify(client, conn, type,
+ client_entry, client_entry);
+ break;
+ }
+ silc_free(tmp_nick);
+
+ /* 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;
- /* Replace old ID entry with new one on all channels. */
- silc_client_replace_from_channels(client, conn, client_entry,
- client_entry2);
+ 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);
+ silc_client_update_client(client, conn, client_entry2, tmp, NULL, NULL,
+ client_entry->mode);
} else {
+ /* Protocol version 1.0 */
+
+ /* Find client entry and if not found resolve it */
+ client_entry2 = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry2) {
+ /* Resolve the entry information */
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
+
+ /* Add the new entry even though we resolved it. This is because we
+ want to replace the old entry with the new entry here right now. */
+ client_entry2 =
+ silc_client_add_client(client, conn, NULL, NULL, NULL,
+ silc_id_dup(client_id, SILC_ID_CLIENT),
+ client_entry->mode);
+
+ /* Replace old ID entry with new one on all channels. */
+ silc_client_replace_from_channels(client, conn, client_entry,
+ client_entry2);
+ break;
+ }
+
if (client_entry2 != conn->local_entry)
silc_client_nickname_format(client, conn, client_entry2);
+ }
- /* Remove the old from cache */
- silc_idcache_del_by_context(conn->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);
+ /* Remove the old from cache */
+ silc_idcache_del_by_context(conn->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->internal->ops->notify(client, conn, type,
- client_entry, client_entry2);
+ /* Notify application */
+ 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 */
- silc_client_del_client_entry(client, conn, client_entry);
- }
break;
case SILC_NOTIFY_TYPE_CMODE_CHANGE:
/* Find target Client entry */
client_entry2 =
silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry2)
+ if (!client_entry2) {
+ silc_client_notify_by_server_resolve(client, conn, packet,
+ SILC_ID_CLIENT, client_id);
goto out;
+ }
/* Get channel entry */
channel_id = silc_id_str2id(packet->dst_id, packet->dst_id_len,
goto out;
/* Replace the Channel ID */
- silc_client_replace_channel_id(client, conn, channel, channel_id);
+ if (silc_client_replace_channel_id(client, conn, channel, channel_id))
+ channel_id = NULL;
/* Notify application */
client->internal->ops->notify(client, conn, type, channel, channel);
if (!channel)
break;
- /* Get the kicker */
+ /* 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;
silc_hash_table_del(channel->user_list, client_entry);
silc_free(chu);
}
+
+ 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"));
+ 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;
+ /* Get Client ID */
+ tmp = silc_argument_get_arg_type(args, 1, &tmp_len);
+ if (!tmp)
+ goto out;
- /* Find Client entry */
- client_entry = silc_client_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id)
+ goto out;
- /* Get comment */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
+ /* Find Client entry */
+ client_entry = silc_client_get_client_by_id(client, conn, client_id);
+ if (!client_entry)
+ goto out;
- /* Notify application. */
- client->internal->ops->notify(client, conn, type, client_entry, tmp);
+ /* 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);
+ 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);
+ 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;
+ }
+ }
- if (client_entry != conn->local_entry)
- /* Remove the client from all channels and free it */
- silc_client_del_client(client, conn, client_entry);
+ /* Notify application. */
+ client->internal->ops->notify(client, conn, type, client_entry,
+ comment, id_type, client_entry2);
+ if (client_entry != conn->local_entry)
+ /* Remove the client from all channels and free it */
+ silc_client_del_client(client, conn, client_entry);
+ }
break;
case SILC_NOTIFY_TYPE_SERVER_SIGNOFF:
}
break;
+ 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);
+ }
+ }
+
+ /* 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;
+
+ 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 (!strcmp(tmp, tmp_nick))
+ tmp = NULL;
+
+ silc_free(tmp_nick);
+ }
+
+ /* Notify application. */
+ client->internal->ops->notify(client, conn, type, client_entry,
+ tmp, mode, notify);
+
+ 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))
+ silc_client_del_client(client, conn, client_entry);
+ else if (notify == SILC_NOTIFY_TYPE_SIGNOFF ||
+ notify == SILC_NOTIFY_TYPE_SERVER_SIGNOFF ||
+ notify == SILC_NOTIFY_TYPE_KILLED)
+ silc_client_del_client(client, conn, client_entry);
+ }
+ break;
+
default:
break;
}
projects / silc.git / blobdiff