Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 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"
/* Static task callback prototypes */
SILC_TASK_CALLBACK(silc_client_connect_to_server_start);
SILC_TASK_CALLBACK(silc_client_connect_to_server_second);
SILC_TASK_CALLBACK(silc_client_connect_to_server_final);
-SILC_TASK_CALLBACK(silc_client_packet_process);
SILC_TASK_CALLBACK(silc_client_packet_parse_real);
static void silc_client_packet_parse(SilcPacketParserContext *parser_context);
return new_client;
}
-/* Free's client object */
+/* Frees client object and its internals. */
void silc_client_free(SilcClient client)
{
if (client) {
+ if (client->rng)
+ silc_rng_free(client->rng);
+
silc_free(client);
}
}
/* Initializes the client. This makes all the necessary steps to make
the client ready to be run. One must call silc_client_run to run the
- client. */
+ client. Returns FALSE if error occured, TRUE otherwise. */
int silc_client_init(SilcClient client)
{
/* Initialize random number generator */
client->rng = silc_rng_alloc();
silc_rng_init(client->rng);
- silc_math_primegen_init(); /* XXX */
+ silc_rng_global_init(client->rng);
/* Register protocols */
silc_client_protocols_register();
SILC_LOG_DEBUG(("Client stopped"));
}
-/* Runs the client. */
+/* Runs the client. This starts the scheduler from the utility library.
+ When this functions returns the execution of the appliation is over. */
void silc_client_run(SilcClient client)
{
connection to the connection table and returns a pointer to it. A client
can have multiple connections to multiple servers. Every connection must
be added to the client using this function. User data `context' may
- be sent as argument. */
+ be sent as argument. This function is normally used only if the
+ application performed the connecting outside the library. The library
+ however may use this internally. */
SilcClientConnection silc_client_add_connection(SilcClient client,
char *hostname,
conn = silc_calloc(1, sizeof(*conn));
/* Initialize ID caches */
- conn->client_cache = silc_idcache_alloc(0);
- conn->channel_cache = silc_idcache_alloc(0);
- conn->server_cache = silc_idcache_alloc(0);
+ conn->client_cache = silc_idcache_alloc(0, NULL);
+ conn->channel_cache = silc_idcache_alloc(0, NULL);
+ conn->server_cache = silc_idcache_alloc(0, NULL);
conn->client = client;
conn->remote_host = strdup(hostname);
conn->remote_port = port;
return conn;
}
-/* Removes connection from client. */
+/* Removes connection from client. Frees all memory. */
void silc_client_del_connection(SilcClient client, SilcClientConnection conn)
{
}
}
-/* Internal context for connection process. This is needed as we
- doing asynchronous connecting. */
-typedef struct {
- SilcClient client;
- SilcClientConnection conn;
- SilcTask task;
- int sock;
- char *host;
- int port;
- int tries;
-} SilcClientInternalConnectContext;
-
static int
silc_client_connect_to_server_internal(SilcClientInternalConnectContext *ctx)
{
/* Connects to remote server. This is the main routine used to connect
to SILC server. Returns -1 on error and the created socket otherwise.
The `context' is user context that is saved into the SilcClientConnection
- that is created after the connection is created. */
+ that is created after the connection is created. Note that application
+ may handle the connecting process outside the library. If this is the
+ case then this function is not used at all. When the connecting is
+ done the `connect' client operation is called. */
int silc_client_connect_to_server(SilcClient client, int port,
char *host, void *context)
/* Start SILC Key Exchange (SKE) protocol to negotiate shared secret
key material between client and server. This function can be called
directly if application is performing its own connecting and does not
- use the connecting provided by this library. */
+ use the connecting provided by this library. This function is normally
+ used only if the application performed the connecting outside the library.
+ The library however may use this internally. */
int silc_client_start_key_exchange(SilcClient client,
SilcClientConnection conn,
/* Allocate new socket connection object */
silc_socket_alloc(fd, SILC_SOCKET_TYPE_SERVER, (void *)conn, &conn->sock);
- if (conn->sock == NULL) {
- client->ops->say(client, conn,
- "Error: Could not allocate connection socket");
- return FALSE;
- }
conn->nickname = strdup(client->username);
conn->sock->hostname = conn->remote_host;
proto_ctx->sock = conn->sock;
proto_ctx->rng = client->rng;
proto_ctx->responder = FALSE;
+ proto_ctx->send_packet = silc_client_protocol_ke_send_packet;
+ proto_ctx->verify = silc_client_protocol_ke_verify_key;
/* Perform key exchange protocol. silc_client_connect_to_server_final
will be called after the protocol is finished. */
/* Error occured during protocol */
SILC_LOG_DEBUG(("Error during KE protocol"));
silc_protocol_free(protocol);
+ silc_ske_free_key_material(ctx->keymat);
if (ctx->ske)
silc_ske_free(ctx->ske);
if (ctx->dest_id)
silc_free(ctx->dest_id);
ctx->sock->protocol = NULL;
+ silc_task_unregister_by_callback(client->timeout_queue,
+ silc_client_failure_callback);
/* Notify application of failure */
client->ops->connect(client, ctx->sock->user_data, FALSE);
return;
}
+ /* We now have the key material as the result of the key exchange
+ protocol. Take the key material into use. Free the raw key material
+ as soon as we've set them into use. */
+ silc_client_protocol_ke_set_keys(ctx->ske, ctx->sock, ctx->keymat,
+ ctx->ske->prop->cipher,
+ ctx->ske->prop->pkcs,
+ ctx->ske->prop->hash,
+ ctx->ske->prop->hmac);
+ silc_ske_free_key_material(ctx->keymat);
+
/* Allocate internal context for the authentication protocol. This
is sent as context for the protocol. */
proto_ctx = silc_calloc(1, sizeof(*proto_ctx));
if (!client->ops->get_auth_method(client, sock->user_data, sock->hostname,
sock->port, &proto_ctx->auth_meth,
&proto_ctx->auth_data,
- &proto_ctx->auth_data_len))
- {
- /* XXX do AUTH_REQUEST resolcing with server */
- proto_ctx->auth_meth = SILC_PROTOCOL_CONN_AUTH_NONE;
- }
+ &proto_ctx->auth_data_len)) {
+ client->ops->say(client, ctx->sock->user_data,
+ "Could not resolve authentication method to use, "
+ "assume no authentication");
+ proto_ctx->auth_meth = SILC_AUTH_NONE;
+ }
/* Free old protocol as it is finished now */
silc_protocol_free(protocol);
if (ctx->packet)
silc_packet_context_free(ctx->packet);
silc_free(ctx);
- /* silc_free(ctx->keymat....); */
sock->protocol = NULL;
/* Allocate the authentication protocol. This is allocated here
if (ctx->dest_id)
silc_free(ctx->dest_id);
conn->sock->protocol = NULL;
+ silc_task_unregister_by_callback(client->timeout_queue,
+ silc_client_failure_callback);
/* Notify application of failure */
client->ops->connect(client, ctx->sock->user_data, FALSE);
conn->remote_id_data = silc_id_id2str(ctx->dest_id, SILC_ID_SERVER);
conn->remote_id_data_len = SILC_ID_SERVER_LEN;
+ silc_task_unregister_by_callback(client->timeout_queue,
+ silc_client_failure_callback);
silc_protocol_free(protocol);
if (ctx->auth_data)
silc_free(ctx->auth_data);
is used directly only in special cases. Normal cases should use
silc_server_packet_send. Returns < 0 on error. */
-static int silc_client_packet_send_real(SilcClient client,
- SilcSocketConnection sock,
- int force_send)
+int silc_client_packet_send_real(SilcClient client,
+ SilcSocketConnection sock,
+ int force_send)
{
int ret;
/* Packet processing callback. This is used to send and receive packets
from network. This is generic task. */
-SILC_TASK_CALLBACK(silc_client_packet_process)
+SILC_TASK_CALLBACK_GLOBAL(silc_client_packet_process)
{
SilcClient client = (SilcClient)context;
SilcSocketConnection sock = NULL;
close the connection */
if (SILC_IS_DISCONNECTING(sock)) {
client->ops->disconnect(client, conn);
- silc_client_close_connection(client, sock);
+ silc_client_close_connection(client, conn);
return;
}
- client->ops->say(client, conn, "Connection closed: premature EOF");
- SILC_LOG_DEBUG(("Premature EOF from connection %d", sock->sock));
+ SILC_LOG_DEBUG(("EOF from connection %d", sock->sock));
client->ops->disconnect(client, conn);
- silc_client_close_connection(client, sock);
+ silc_client_close_connection(client, conn);
return;
}
}
}
+/* Callback function that the silc_packet_decrypt will call to make the
+ decision whether the packet is normal or special packet. We will
+ return TRUE if it is normal and FALSE if it is special */
+
+static int silc_client_packet_decrypt_check(SilcPacketType packet_type,
+ SilcBuffer buffer,
+ SilcPacketContext *packet,
+ void *context)
+{
+
+ /* Packet is normal packet, if:
+
+ 1) packet is private message packet and does not have private key set
+ 2) is other packet than channel message packet
+
+ all other packets are special packets
+ */
+ if ((packet_type == SILC_PACKET_PRIVATE_MESSAGE &&
+ !(buffer->data[2] & SILC_PACKET_FLAG_PRIVMSG_KEY)) ||
+ packet_type != SILC_PACKET_CHANNEL_MESSAGE)
+ return TRUE;
+
+ return FALSE;
+}
+
/* Parses whole packet, received earlier. */
SILC_TASK_CALLBACK(silc_client_packet_parse_real)
SILC_LOG_DEBUG(("Start"));
/* Decrypt the received packet */
- ret = silc_packet_decrypt(conn->receive_key, conn->hmac, buffer, packet);
+ ret = silc_packet_decrypt(conn->receive_key, conn->hmac, buffer, packet,
+ silc_client_packet_decrypt_check, parse_ctx);
if (ret < 0)
goto out;
* error and call the protocol callback. This fill cause error on
* protocol and it will call the final callback.
*/
- if (sock->protocol) {
- sock->protocol->state = SILC_PROTOCOL_STATE_FAILURE;
- sock->protocol->execute(client->timeout_queue, 0,
- sock->protocol, sock->sock, 0, 0);
-
- /* XXX We have only two protocols currently thus we know what this
- failure indication is. */
- if (buffer->len >= 4) {
- unsigned int failure;
-
- SILC_GET32_MSB(failure, buffer->data);
-
- /* Notify application */
- client->ops->failure(client, sock->user_data, sock->protocol,
- (void *)failure);
- }
- }
+ silc_client_process_failure(client, sock, packet);
break;
case SILC_PACKET_REJECT:
break;
SILC_LOG_DEBUG(("Heartbeat packet"));
break;
+ case SILC_PACKET_KEY_AGREEMENT:
+ /*
+ * Received key agreement packet
+ */
+ SILC_LOG_DEBUG(("Key agreement packet"));
+ silc_client_key_agreement(client, sock, packet);
+ break;
+
default:
SILC_LOG_DEBUG(("Incorrect packet type %d, packet dropped", type));
break;
packetdata.dst_id_len = 0;
packetdata.dst_id_type = SILC_ID_NONE;
}
- packetdata.rng = client->rng;
packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
packetdata.src_id_len + packetdata.dst_id_len;
packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
silc_client_packet_send_real(client, sock, force_send);
}
-/* Sends packet to a channel. Packet to channel is always encrypted
- differently from "normal" packets. SILC header of the packet is
- encrypted with the next receiver's key and the rest of the packet is
- encrypted with the channel specific key. Padding and HMAC is computed
- with the next receiver's key. */
-
-void silc_client_packet_send_to_channel(SilcClient client,
- SilcSocketConnection sock,
- SilcChannelEntry channel,
- unsigned char *data,
- unsigned int data_len,
- int force_send)
-{
- int i;
- SilcClientConnection conn = (SilcClientConnection)sock->user_data;
- SilcBuffer payload;
- SilcPacketContext packetdata;
- SilcCipher cipher;
- SilcHmac hmac;
- unsigned char *id_string;
-
- SILC_LOG_DEBUG(("Sending packet to channel"));
-
- if (!channel || !channel->key) {
- client->ops->say(client, conn,
- "Cannot talk to channel: key does not exist");
- return;
- }
-
- /* Generate IV */
- if (!channel->iv)
- for (i = 0; i < 16; i++) channel->iv[i] = silc_rng_get_byte(client->rng);
- else
- silc_hash_make(client->md5hash, channel->iv, 16, channel->iv);
-
- /* Encode the channel payload */
- payload = silc_channel_payload_encode(data_len, data, 16, channel->iv,
- client->rng);
- if (!payload) {
- client->ops->say(client, conn,
- "Error: Could not create packet to be sent to channel");
- return;
- }
-
- /* Get data used in packet header encryption, keys and stuff. Rest
- of the packet (the payload) is, however, encrypted with the
- specified channel key. */
- cipher = conn->send_key;
- hmac = conn->hmac;
- id_string = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
-
- /* Set the packet context pointers. The destination ID is always
- the Channel ID of the channel. Server and router will handle the
- distribution of the packet. */
- packetdata.flags = 0;
- packetdata.type = SILC_PACKET_CHANNEL_MESSAGE;
- packetdata.src_id = conn->local_id_data;
- packetdata.src_id_len = SILC_ID_CLIENT_LEN;
- packetdata.src_id_type = SILC_ID_CLIENT;
- packetdata.dst_id = id_string;
- packetdata.dst_id_len = SILC_ID_CHANNEL_LEN;
- packetdata.dst_id_type = SILC_ID_CHANNEL;
- packetdata.rng = client->rng;
- packetdata.truelen = payload->len + SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN((SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len +
- packetdata.dst_id_len));
-
- /* Prepare outgoing data buffer for packet sending */
- silc_packet_send_prepare(sock,
- SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len +
- packetdata.dst_id_len,
- packetdata.padlen,
- payload->len);
-
- packetdata.buffer = sock->outbuf;
-
- /* Encrypt payload of the packet. This is encrypted with the channel key. */
- channel->channel_key->cipher->encrypt(channel->channel_key->context,
- payload->data, payload->data,
- payload->len - 16, /* -IV_LEN */
- channel->iv);
-
- /* Put the actual encrypted payload data into the buffer. */
- silc_buffer_put(sock->outbuf, payload->data, payload->len);
-
- /* Create the outgoing packet */
- silc_packet_assemble(&packetdata);
-
- /* Encrypt the header and padding of the packet. This is encrypted
- with normal session key shared with our server. */
- silc_packet_encrypt(cipher, hmac, sock->outbuf, SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len +
- packetdata.padlen);
-
- SILC_LOG_HEXDUMP(("Packet to channel, len %d", sock->outbuf->len),
- sock->outbuf->data, sock->outbuf->len);
-
- /* Now actually send the packet */
- silc_client_packet_send_real(client, sock, force_send);
- silc_buffer_free(payload);
- silc_free(id_string);
-}
-
-/* Sends private message to remote client. If private message key has
- not been set with this client then the message will be encrypted using
- normal session keys. Private messages are special packets in SILC
- network hence we need this own function for them. This is similiar
- to silc_client_packet_send_to_channel except that we send private
- message. */
-
-void silc_client_packet_send_private_message(SilcClient client,
- SilcSocketConnection sock,
- SilcClientEntry client_entry,
- unsigned char *data,
- unsigned int data_len,
- int force_send)
-{
- SilcClientConnection conn = (SilcClientConnection)sock->user_data;
- SilcBuffer buffer;
- SilcPacketContext packetdata;
- unsigned int nick_len;
- SilcCipher cipher;
- SilcHmac hmac;
-
- SILC_LOG_DEBUG(("Sending private message"));
-
- /* Create private message payload */
- nick_len = strlen(conn->nickname);
- buffer = silc_buffer_alloc(2 + nick_len + data_len);
- silc_buffer_pull_tail(buffer, SILC_BUFFER_END(buffer));
- silc_buffer_format(buffer,
- SILC_STR_UI_SHORT(nick_len),
- SILC_STR_UI_XNSTRING(conn->nickname,
- nick_len),
- SILC_STR_UI_XNSTRING(data, data_len),
- SILC_STR_END);
-
- /* If we don't have private message specific key then private messages
- are just as any normal packet thus call normal packet sending. If
- the key exist then the encryption process is a bit different and
- will be done in the rest of this function. */
- if (!client_entry->send_key) {
- silc_client_packet_send(client, sock, SILC_PACKET_PRIVATE_MESSAGE,
- client_entry->id, SILC_ID_CLIENT, NULL, NULL,
- buffer->data, buffer->len, force_send);
- goto out;
- }
-
- /* We have private message specific key */
-
- /* Get data used in the encryption */
- cipher = client_entry->send_key;
- hmac = conn->hmac;
-
- /* Set the packet context pointers. */
- packetdata.flags = 0;
- packetdata.type = SILC_PACKET_PRIVATE_MESSAGE;
- packetdata.src_id = conn->local_id_data;
- packetdata.src_id_len = SILC_ID_CLIENT_LEN;
- packetdata.src_id_type = SILC_ID_CLIENT;
- if (client_entry)
- packetdata.dst_id = silc_id_id2str(client_entry->id, SILC_ID_CLIENT);
- else
- packetdata.dst_id = conn->local_id_data;
- packetdata.dst_id_len = SILC_ID_CLIENT_LEN;
- packetdata.dst_id_type = SILC_ID_CLIENT;
- packetdata.rng = client->rng;
- packetdata.truelen = buffer->len + SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN((SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len +
- packetdata.dst_id_len));
-
- /* Prepare outgoing data buffer for packet sending */
- silc_packet_send_prepare(sock,
- SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len +
- packetdata.dst_id_len,
- packetdata.padlen,
- buffer->len);
-
- packetdata.buffer = sock->outbuf;
-
- /* Encrypt payload of the packet. Encrypt with private message specific
- key if it exist, otherwise with session key. */
- cipher->cipher->encrypt(cipher->context, buffer->data, buffer->data,
- buffer->len, cipher->iv);
-
- /* Put the actual encrypted payload data into the buffer. */
- silc_buffer_put(sock->outbuf, buffer->data, buffer->len);
-
- /* Create the outgoing packet */
- silc_packet_assemble(&packetdata);
-
- /* Encrypt the header and padding of the packet. */
- silc_packet_encrypt(cipher, hmac, sock->outbuf, SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len +
- packetdata.padlen);
-
- SILC_LOG_HEXDUMP(("Private message packet, len %d", sock->outbuf->len),
- sock->outbuf->data, sock->outbuf->len);
-
- /* Now actually send the packet */
- silc_client_packet_send_real(client, sock, force_send);
- silc_free(packetdata.dst_id);
-
- out:
- silc_free(buffer);
-}
-
/* Closes connection to remote end. Free's all allocated data except
for some information such as nickname etc. that are valid at all time. */
void silc_client_close_connection(SilcClient client,
- SilcSocketConnection sock)
+ SilcClientConnection conn)
{
- SilcClientConnection conn;
+ SilcSocketConnection sock = conn->sock;
/* We won't listen for this connection anymore */
silc_schedule_unset_listen_fd(sock->sock);
/* Free everything */
if (sock->user_data) {
- conn = (SilcClientConnection)sock->user_data;
-
/* XXX Free all client entries and channel entries. */
/* Clear ID caches */
silc_free(msg);
SILC_SET_DISCONNECTED(sock);
- silc_client_close_connection(client, sock);
+ silc_client_close_connection(client, sock->user_data);
}
/* Received error message from server. Display it on the screen.
silc_free(msg);
}
-/* 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)
-{
- SilcPacketContext *p = (SilcPacketContext *)context;
- silc_client_notify_by_server(p->context, p->sock, p);
-}
-
-/* Destructor for the pending command callback */
-
-static void silc_client_notify_by_server_destructor(void *context)
-{
- silc_packet_context_free((SilcPacketContext *)context);
-}
-
-/* Resolve client information from server by Client ID. */
-
-static void silc_client_notify_by_server_resolve(SilcClient client,
- SilcClientConnection conn,
- SilcPacketContext *packet,
- SilcClientID *client_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);
- silc_buffer_free(idp);
-}
-
-/* Received notify message from server */
-
-void silc_client_notify_by_server(SilcClient client,
- SilcSocketConnection sock,
- SilcPacketContext *packet)
-{
- SilcBuffer buffer = packet->buffer;
- SilcClientConnection conn = (SilcClientConnection)sock->user_data;
- SilcNotifyPayload payload;
- SilcNotifyType type;
- SilcArgumentPayload args;
-
- SilcClientID *client_id = NULL;
- SilcChannelID *channel_id = NULL;
- SilcClientEntry client_entry;
- SilcClientEntry client_entry2;
- SilcChannelEntry channel;
- SilcChannelUser chu;
- SilcIDCacheEntry id_cache = NULL;
- unsigned char *tmp;
- unsigned int tmp_len, mode;
-
- payload = silc_notify_payload_parse(buffer);
- if (!payload)
- goto out;
-
- type = silc_notify_get_type(payload);
- args = silc_notify_get_args(payload);
- if (!args)
- 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));
- break;
-
- case SILC_NOTIFY_TYPE_INVITE:
- /*
- * Someone invited me to a channel. Find Client and Channel entries
- * for the application.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry and if not found query it */
- client_entry = silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
- goto out;
- }
-
- /* 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);
- if (!channel_id)
- goto out;
-
- /* XXX Will ALWAYS fail because currently we don't have way to resolve
- channel information for channel that we're not joined to. */
- /* XXX ways to fix: use (extended) LIST command, or define the channel
- name to the notfy type when name resolving is not mandatory. */
- /* Find channel entry */
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
- SILC_ID_CHANNEL, &id_cache))
- goto out;
-
- channel = (SilcChannelEntry)id_cache->context;
-
- /* Notify application */
- client->ops->notify(client, conn, type, client_entry, channel);
- break;
-
- case SILC_NOTIFY_TYPE_JOIN:
- /*
- * Someone has joined to a channel. Get their ID and nickname and
- * cache them for later use.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry and if not found query it */
- client_entry = silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry) {
- silc_client_notify_by_server_resolve(client, conn, packet, 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;
- }
-
- /* 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;
-
- channel = (SilcChannelEntry)id_cache->context;
-
- /* Add client to channel */
- chu = silc_calloc(1, sizeof(*chu));
- chu->client = client_entry;
- silc_list_add(channel->clients, 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);
- 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.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry */
- client_entry =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
-
- /* 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;
-
- 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;
- }
- }
-
- /* 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);
- break;
-
- case SILC_NOTIFY_TYPE_SIGNOFF:
- /*
- * Someone left SILC. We'll remove it from all channels and from cache.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry */
- client_entry =
- silc_idlist_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);
-
- /* Notify application */
- client->ops->notify(client, conn, type, 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);
- break;
-
- case SILC_NOTIFY_TYPE_TOPIC_SET:
- /*
- * Someone set the topic on a channel.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry */
- client_entry =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- 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)
- 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;
-
- /* 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);
- 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
- * application.
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Ignore my ID */
- if (!SILC_ID_CLIENT_COMPARE(client_id, conn->local_id))
- break;
-
- /* Find Client entry and if not found query it */
- client_entry2 =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry2) {
- silc_client_notify_by_server_resolve(client, conn, packet, client_id);
- goto out;
- }
- silc_free(client_id);
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find old Client entry */
- client_entry =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
-
- /* Remove the old from cache */
- silc_idcache_del_by_id(conn->client_cache, SILC_ID_CLIENT,
- client_entry->id);
-
- /* 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);
-
- /* 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);
- break;
-
- case SILC_NOTIFY_TYPE_CMODE_CHANGE:
- /*
- * Someone changed a channel mode
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry */
- client_entry =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
-
- /* Get the mode */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
- if (!tmp)
- goto out;
-
- SILC_GET32_MSB(mode, tmp);
-
- /* 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;
-
- channel = (SilcChannelEntry)id_cache->context;
-
- /* Save the new mode */
- channel->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, channel);
- break;
-
- case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
- /*
- * Someone changed user's mode on a channel
- */
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find Client entry */
- client_entry =
- silc_idlist_get_client_by_id(client, conn, client_id);
- if (!client_entry)
- goto out;
-
- /* Get the mode */
- tmp = silc_argument_get_arg_type(args, 2, &tmp_len);
- if (!tmp)
- goto out;
-
- SILC_GET32_MSB(mode, tmp);
-
- /* 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);
- if (!client_id)
- goto out;
-
- /* Find target Client entry */
- client_entry2 =
- silc_idlist_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)
- 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;
- }
- }
-
- /* 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);
- break;
-
- case SILC_NOTIFY_TYPE_MOTD:
- /*
- * Received Message of the day
- */
-
- /* 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);
- break;
-
- case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
- /*
- * Router has enforced a new ID to a channel. Let's change the old
- * ID to the one provided here.
- */
-
- /* 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);
- 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;
-
- /* Free the old ID */
- silc_free(channel_id);
- silc_free(channel->id);
-
- /* 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)
- goto out;
-
- id_cache->id = (void *)channel->id;
-
- /* Notify application */
- client->ops->notify(client, conn, type, channel, channel);
- break;
-
- default:
- break;
- }
-
- out:
- silc_notify_payload_free(payload);
- if (client_id)
- silc_free(client_id);
- if (channel_id)
- silc_free(channel_id);
-}
-
/* Processes the received new Client ID from server. Old Client ID is
deleted from cache and new one is added. */
conn->local_entry->id = conn->local_id;
/* Put it to the ID cache */
- silc_idcache_add(conn->client_cache, conn->nickname, SILC_ID_CLIENT,
- conn->local_id, (void *)conn->local_entry, TRUE);
+ silc_idcache_add(conn->client_cache, conn->nickname, strlen(conn->nickname),
+ SILC_ID_CLIENT, conn->local_id, (void *)conn->local_entry,
+ TRUE, FALSE);
/* Notify application of successful connection. We do it here now that
we've received the Client ID and are allowed to send traffic. */
}
/* Processed received Channel ID for a channel. This is called when client
- joins to channel and server replies with channel ID. The ID is cached. */
-
-void silc_client_new_channel_id(SilcClient client,
- SilcSocketConnection sock,
- char *channel_name,
- unsigned int mode, SilcIDPayload idp)
+ joins to channel and server replies with channel ID. The ID is cached.
+ Returns the created channel entry. */
+
+SilcChannelEntry silc_client_new_channel_id(SilcClient client,
+ SilcSocketConnection sock,
+ char *channel_name,
+ unsigned int mode,
+ SilcIDPayload idp)
{
SilcClientConnection conn = (SilcClientConnection)sock->user_data;
SilcChannelEntry channel;
conn->current_channel = channel;
/* Put it to the ID cache */
- silc_idcache_add(conn->channel_cache, channel_name, SILC_ID_CHANNEL,
- (void *)channel->id, (void *)channel, TRUE);
-}
-
-/* Saves channel key from encoded `key_payload'. This is used when we
- receive Channel Key Payload and when we are processing JOIN command
- reply. */
-
-void silc_client_save_channel_key(SilcClientConnection conn,
- SilcBuffer key_payload,
- SilcChannelEntry channel)
-{
- unsigned char *id_string, *key, *cipher;
- unsigned int tmp_len;
- SilcChannelID *id;
- SilcIDCacheEntry id_cache = NULL;
- SilcChannelKeyPayload payload;
-
- payload = silc_channel_key_payload_parse(key_payload);
- if (!payload)
- return;
-
- id_string = silc_channel_key_get_id(payload, &tmp_len);
- if (!id_string) {
- silc_channel_key_payload_free(payload);
- return;
- }
-
- id = silc_id_str2id(id_string, tmp_len, SILC_ID_CHANNEL);
- if (!id) {
- silc_channel_key_payload_free(payload);
- return;
- }
-
- /* Find channel. */
- if (!channel) {
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)id,
- SILC_ID_CHANNEL, &id_cache))
- goto out;
-
- /* Get channel entry */
- channel = (SilcChannelEntry)id_cache->context;
- }
-
- /* Save the key */
- key = silc_channel_key_get_key(payload, &tmp_len);
- cipher = silc_channel_key_get_cipher(payload, NULL);
- channel->key_len = tmp_len;
- channel->key = silc_calloc(tmp_len, sizeof(*channel->key));
- memcpy(channel->key, key, tmp_len);
-
- if (!silc_cipher_alloc(cipher, &channel->channel_key)) {
- conn->client->ops->say(conn->client, conn,
- "Cannot talk to channel: unsupported cipher %s", cipher);
- goto out;
- }
- channel->channel_key->cipher->set_key(channel->channel_key->context,
- key, tmp_len);
-
- /* Client is now joined to the channel */
- channel->on_channel = TRUE;
-
- out:
- silc_free(id);
- silc_channel_key_payload_free(payload);
-}
-
-/* Processes received key for channel. The received key will be used
- to protect the traffic on the channel for now on. Client must receive
- the key to the channel before talking on the channel is possible.
- This is the key that server has generated, this is not the channel
- private key, it is entirely local setting. */
-
-void silc_client_receive_channel_key(SilcClient client,
- SilcSocketConnection sock,
- SilcBuffer packet)
-{
- SILC_LOG_DEBUG(("Received key for channel"));
-
- /* Save the key */
- silc_client_save_channel_key(sock->user_data, packet, NULL);
-}
-
-/* Process received message to a channel (or from a channel, really). This
- decrypts the channel message with channel specific key and parses the
- channel payload. Finally it displays the message on the screen. */
-
-void silc_client_channel_message(SilcClient client,
- SilcSocketConnection sock,
- SilcPacketContext *packet)
-{
- SilcClientConnection conn = (SilcClientConnection)sock->user_data;
- SilcBuffer buffer = packet->buffer;
- SilcChannelPayload payload = NULL;
- SilcChannelID *id = NULL;
- SilcChannelEntry channel;
- SilcChannelUser chu;
- SilcIDCacheEntry id_cache = NULL;
- SilcClientID *client_id = NULL;
- int found = FALSE;
-
- /* Sanity checks */
- if (packet->dst_id_type != SILC_ID_CHANNEL)
- goto out;
-
- client_id = silc_id_str2id(packet->src_id, packet->src_id_len,
- SILC_ID_CLIENT);
- if (!client_id)
- goto out;
- id = silc_id_str2id(packet->dst_id, packet->dst_id_len, SILC_ID_CHANNEL);
- if (!id)
- goto out;
-
- /* Find the channel entry from channels on this connection */
- if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)id,
- SILC_ID_CHANNEL, &id_cache))
- goto out;
-
- channel = (SilcChannelEntry)id_cache->context;
-
- /* Decrypt the channel message payload. Push the IV out of the way,
- since it is not encrypted (after pushing buffer->tail has the IV). */
- silc_buffer_push_tail(buffer, 16);
- channel->channel_key->cipher->decrypt(channel->channel_key->context,
- buffer->data, buffer->data,
- buffer->len, buffer->tail);
- silc_buffer_pull_tail(buffer, 16);
-
- /* Parse the channel message payload */
- payload = silc_channel_payload_parse(buffer);
- if (!payload)
- goto out;
-
- /* Find client entry */
- silc_list_start(channel->clients);
- while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
- if (!SILC_ID_CLIENT_COMPARE(chu->client->id, client_id)) {
- found = TRUE;
- break;
- }
- }
-
- /* Pass the message to application */
- client->ops->channel_message(client, conn, found ? chu->client : NULL,
- channel, silc_channel_get_data(payload, NULL));
-
- out:
- if (id)
- silc_free(id);
- if (client_id)
- silc_free(client_id);
- if (payload)
- silc_channel_payload_free(payload);
-}
-
-/* Private message received. This processes the private message and
- finally displays it on the screen. */
+ silc_idcache_add(conn->channel_cache, channel_name, strlen(channel_name),
+ SILC_ID_CHANNEL, (void *)channel->id, (void *)channel,
+ TRUE, FALSE);
-void silc_client_private_message(SilcClient client,
- SilcSocketConnection sock,
- SilcPacketContext *packet)
-{
- SilcClientConnection conn = (SilcClientConnection)sock->user_data;
- SilcBuffer buffer = packet->buffer;
- SilcIDCacheEntry id_cache;
- SilcClientID *remote_id = NULL;
- SilcClientEntry remote_client;
- unsigned short nick_len;
- unsigned char *nickname, *message = NULL;
- int ret;
-
- if (packet->src_id_type != SILC_ID_CLIENT)
- goto out;
-
- /* Get nickname */
- ret = silc_buffer_unformat(buffer,
- SILC_STR_UI16_NSTRING_ALLOC(&nickname, &nick_len),
- SILC_STR_END);
- if (ret == -1)
- return;
-
- silc_buffer_pull(buffer, 2 + nick_len);
-
- message = silc_calloc(buffer->len + 1, sizeof(char));
- memcpy(message, buffer->data, buffer->len);
-
- remote_id = silc_id_str2id(packet->src_id, packet->src_id_len,
- SILC_ID_CLIENT);
- if (!remote_id)
- goto out;
-
- /* Check whether we know this client already */
- if (!silc_idcache_find_by_id_one(conn->client_cache, remote_id,
- SILC_ID_CLIENT, &id_cache))
- {
- /* Allocate client entry */
- remote_client = silc_calloc(1, sizeof(*remote_client));
- remote_client->id = remote_id;
- silc_parse_nickname(nickname, &remote_client->nickname,
- &remote_client->server, &remote_client->num);
-
- /* Save the client to cache */
- silc_idcache_add(conn->client_cache, remote_client->nickname,
- SILC_ID_CLIENT, remote_client->id, remote_client,
- TRUE);
- } else {
- remote_client = (SilcClientEntry)id_cache->context;
- }
-
- /* Pass the private message to application */
- client->ops->private_message(client, conn, remote_client, message);
-
- /* See if we are away (gone). If we are away we will reply to the
- sender with the set away message. */
- if (conn->away && conn->away->away) {
- /* If it's me, ignore */
- if (!SILC_ID_CLIENT_COMPARE(remote_id, conn->local_id))
- goto out;
-
- /* Send the away message */
- silc_client_packet_send_private_message(client, sock, remote_client,
- conn->away->away,
- strlen(conn->away->away), TRUE);
- }
-
- out:
- if (remote_id)
- silc_free(remote_id);
-
- if (message) {
- memset(message, 0, buffer->len);
- silc_free(message);
- }
- silc_free(nickname);
+ return channel;
}
/* Removes a client entry from all channel it has joined. This really is
/* Parses mode mask and returns the mode as string. */
-char *silc_client_chmode(unsigned int mode)
+char *silc_client_chmode(unsigned int mode, SilcChannelEntry channel)
{
- char string[20];
+ char string[100];
if (!mode)
return NULL;
if (mode & SILC_CHANNEL_MODE_PASSPHRASE)
strncat(string, "a", 1);
+ if (mode & SILC_CHANNEL_MODE_CIPHER) {
+ char cipher[30];
+ memset(cipher, 0, sizeof(cipher));
+ snprintf(cipher, sizeof(cipher), " c (%s)",
+ channel->channel_key->cipher->name);
+ strncat(string, cipher, strlen(cipher));
+ }
+
+ if (mode & SILC_CHANNEL_MODE_HMAC) {
+ char hmac[30];
+ memset(hmac, 0, sizeof(hmac));
+ snprintf(hmac, sizeof(hmac), " h (%s)",
+ channel->hmac->hmac->name);
+ strncat(string, hmac, strlen(hmac));
+ }
+
/* Rest of mode is ignored */
return strdup(string);
return strdup(string);
}
+
+/* Failure timeout callback. If this is called then we will immediately
+ process the received failure. We always process the failure with timeout
+ since we do not want to blindly trust to received failure packets.
+ This won't be called (the timeout is cancelled) if the failure was
+ bogus (it is bogus if remote does not close the connection after sending
+ the failure). */
+
+SILC_TASK_CALLBACK_GLOBAL(silc_client_failure_callback)
+{
+ SilcClientFailureContext *f = (SilcClientFailureContext *)context;
+
+ if (f->sock->protocol) {
+ f->sock->protocol->state = SILC_PROTOCOL_STATE_FAILURE;
+ f->sock->protocol->execute(f->client->timeout_queue, 0,
+ f->sock->protocol, f->sock->sock, 0, 0);
+
+ /* Notify application */
+ f->client->ops->failure(f->client, f->sock->user_data, f->sock->protocol,
+ (void *)f->failure);
+ }
+
+ silc_free(f);
+}
+
+/* Registers failure timeout to process the received failure packet
+ with timeout. */
+
+void silc_client_process_failure(SilcClient client,
+ SilcSocketConnection sock,
+ SilcPacketContext *packet)
+{
+ SilcClientFailureContext *f;
+ unsigned int failure = 0;
+
+ if (sock->protocol) {
+ if (packet->buffer->len >= 4)
+ SILC_GET32_MSB(failure, packet->buffer->data);
+
+ f = silc_calloc(1, sizeof(*f));
+ f->client = client;
+ f->sock = sock;
+ f->failure = failure;
+
+ /* We will wait 5 seconds to process this failure packet */
+ silc_task_register(client->timeout_queue, sock->sock,
+ silc_client_failure_callback, (void *)f, 5, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+ }
+}
projects / silc.git / blobdiff