SilcIDListData idata = (SilcIDListData)sock->user_data;
SilcCipher cipher = NULL;
SilcHmac hmac = NULL;
+ uint32 sequence = 0;
unsigned char *dst_id_data = NULL;
uint32 dst_id_len = 0;
+ int block_len = 0;
/* If disconnecting, ignore the data */
if (SILC_IS_DISCONNECTING(sock))
dst_id_len = silc_id_get_len(dst_id, dst_id_type);
}
+ if (idata) {
+ cipher = idata->send_key;
+ hmac = idata->hmac_send;
+ sequence = idata->psn_send++;
+ block_len = silc_cipher_get_block_len(cipher);
+ }
+
/* Set the packet context pointers */
packetdata.type = type;
packetdata.flags = flags;
packetdata.dst_id_type = dst_id_type;
packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
packetdata.src_id_len + dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
+ packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen, block_len);
/* Prepare outgoing data buffer for packet sending */
silc_packet_send_prepare(sock,
silc_buffer_put(sock->outbuf, data, data_len);
/* Create the outgoing packet */
- silc_packet_assemble(&packetdata);
-
- if (idata) {
- cipher = idata->send_key;
- hmac = idata->hmac_send;
- }
+ silc_packet_assemble(&packetdata, cipher);
/* Encrypt the packet */
- silc_packet_encrypt(cipher, hmac, sock->outbuf, sock->outbuf->len);
+ silc_packet_encrypt(cipher, hmac, sequence, sock->outbuf, sock->outbuf->len);
- SILC_LOG_HEXDUMP(("Outgoing packet, len %d", sock->outbuf->len),
+ SILC_LOG_HEXDUMP(("Outgoing packet (%d), len %d", sequence,
+ sock->outbuf->len),
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
SilcIDListData idata;
SilcCipher cipher = NULL;
SilcHmac hmac = NULL;
+ uint32 sequence = 0;
unsigned char *dst_id_data = NULL;
uint32 dst_id_len = 0;
unsigned char *src_id_data = NULL;
uint32 src_id_len = 0;
+ int block_len = 0;
SILC_LOG_DEBUG(("Sending packet, type %d", type));
src_id_len = silc_id_get_len(src_id, src_id_type);
}
+ if (idata) {
+ cipher = idata->send_key;
+ hmac = idata->hmac_send;
+ sequence = idata->psn_send++;
+ block_len = silc_cipher_get_block_len(cipher);
+ }
+
/* Set the packet context pointers */
packetdata.type = type;
packetdata.flags = flags;
packetdata.dst_id_type = dst_id_type;
packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
packetdata.src_id_len + dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
+ packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen, block_len);
/* Prepare outgoing data buffer for packet sending */
silc_packet_send_prepare(sock,
silc_buffer_put(sock->outbuf, data, data_len);
/* Create the outgoing packet */
- silc_packet_assemble(&packetdata);
-
- if (idata) {
- cipher = idata->send_key;
- hmac = idata->hmac_send;
- }
+ silc_packet_assemble(&packetdata, cipher);
/* Encrypt the packet */
- silc_packet_encrypt(cipher, hmac, sock->outbuf, sock->outbuf->len);
+ silc_packet_encrypt(cipher, hmac, sequence, sock->outbuf, sock->outbuf->len);
- SILC_LOG_HEXDUMP(("Outgoing packet, len %d", sock->outbuf->len),
+ SILC_LOG_HEXDUMP(("Outgoing packet (%d), len %d", sequence,
+ sock->outbuf->len),
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
silc_buffer_push(buffer, buffer->data - buffer->head);
silc_packet_send_prepare(sock, 0, 0, buffer->len);
silc_buffer_put(sock->outbuf, buffer->data, buffer->len);
- silc_packet_encrypt(idata->send_key, idata->hmac_send,
+ silc_packet_encrypt(idata->send_key, idata->hmac_send, idata->psn_send++,
sock->outbuf, sock->outbuf->len);
- SILC_LOG_HEXDUMP(("Broadcasted packet, len %d", sock->outbuf->len),
+ SILC_LOG_HEXDUMP(("Broadcasted packet (%d), len %d", idata->psn_send - 1,
+ sock->outbuf->len),
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
silc_buffer_push(buffer, buffer->data - buffer->head);
silc_packet_send_prepare(sock, 0, 0, buffer->len);
silc_buffer_put(sock->outbuf, buffer->data, buffer->len);
- silc_packet_encrypt(idata->send_key, idata->hmac_send,
+ silc_packet_encrypt(idata->send_key, idata->hmac_send, idata->psn_send++,
sock->outbuf, sock->outbuf->len);
- SILC_LOG_HEXDUMP(("Routed packet, len %d", sock->outbuf->len),
+ SILC_LOG_HEXDUMP(("Routed packet (%d), len %d", idata->psn_send - 1,
+ sock->outbuf->len),
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
silc_server_packet_send_real(server, sock, TRUE);
}
+/* This routine can be used to send a packet to table of clients provided
+ in `clients'. If `route' is FALSE the packet is routed only to local
+ clients (for server locally connected, and for router local cell). */
+
+void silc_server_packet_send_clients(SilcServer server,
+ SilcClientEntry *clients,
+ uint32 clients_count,
+ SilcPacketType type,
+ SilcPacketFlags flags,
+ bool route,
+ unsigned char *data,
+ uint32 data_len,
+ bool force_send)
+{
+ SilcSocketConnection sock = NULL;
+ SilcClientEntry client = NULL;
+ SilcServerEntry *routed = NULL;
+ uint32 routed_count = 0;
+ bool gone = FALSE;
+ int i, k;
+
+ SILC_LOG_DEBUG(("Sending packet to list of clients"));
+
+ /* Send to all clients in table */
+ for (i = 0; i < clients_count; i++) {
+ client = clients[i];
+
+ /* If client has router set it is not locally connected client and
+ we will route the message to the router set in the client. Though,
+ send locally connected server in all cases. */
+ if (server->server_type == SILC_ROUTER && client->router &&
+ ((!route && client->router->router == server->id_entry) || route)) {
+
+ /* Check if we have sent the packet to this route already */
+ for (k = 0; k < routed_count; k++)
+ if (routed[k] == client->router)
+ break;
+ if (k < routed_count)
+ continue;
+
+ /* Route only once to router */
+ sock = (SilcSocketConnection)client->router->connection;
+ if (sock->type == SILC_SOCKET_TYPE_ROUTER) {
+ if (gone)
+ continue;
+ gone = TRUE;
+ }
+
+ /* Send the packet */
+ silc_server_packet_send_dest(server, sock, type, flags,
+ client->router->id, SILC_ID_SERVER,
+ data, data_len, force_send);
+
+ /* Mark this route routed already */
+ routed = silc_realloc(routed, sizeof(*routed) * (routed_count + 1));
+ routed[routed_count++] = client->router;
+ continue;
+ }
+
+ if (client->router)
+ continue;
+
+ /* Send to locally connected client */
+ sock = (SilcSocketConnection)client->connection;
+ silc_server_packet_send_dest(server, sock, type, flags,
+ client->id, SILC_ID_CLIENT,
+ data, data_len, force_send);
+ }
+
+ silc_free(routed);
+}
+
/* Internal routine to actually create the channel packet and send it
to network. This is common function in channel message sending. If
`channel_message' is TRUE this encrypts the message as it is strictly
SilcPacketContext *packet,
SilcCipher cipher,
SilcHmac hmac,
+ uint32 sequence,
unsigned char *data,
uint32 data_len,
- int channel_message,
+ bool channel_message,
bool force_send)
{
+ int block_len;
packet->truelen = data_len + SILC_PACKET_HEADER_LEN +
packet->src_id_len + packet->dst_id_len;
+ block_len = cipher ? silc_cipher_get_block_len(cipher) : 0;
+ if (channel_message)
+ packet->padlen = SILC_PACKET_PADLEN((SILC_PACKET_HEADER_LEN +
+ packet->src_id_len +
+ packet->dst_id_len), block_len);
+ else
+ packet->padlen = SILC_PACKET_PADLEN(packet->truelen, block_len);
+
/* Prepare outgoing data buffer for packet sending */
silc_packet_send_prepare(sock,
SILC_PACKET_HEADER_LEN +
is encrypted with normal session key shared with the client, unless
the `channel_message' is TRUE. */
silc_buffer_put(sock->outbuf, data, data_len);
- silc_packet_assemble(packet);
+ silc_packet_assemble(packet, cipher);
if (channel_message)
- silc_packet_encrypt(cipher, hmac, sock->outbuf, SILC_PACKET_HEADER_LEN +
- packet->src_id_len + packet->dst_id_len +
- packet->padlen);
+ silc_packet_encrypt(cipher, hmac, sequence, sock->outbuf,
+ SILC_PACKET_HEADER_LEN + packet->src_id_len +
+ packet->dst_id_len + packet->padlen);
else
- silc_packet_encrypt(cipher, hmac, sock->outbuf, sock->outbuf->len);
+ silc_packet_encrypt(cipher, hmac, sequence, sock->outbuf,
+ sock->outbuf->len);
- SILC_LOG_HEXDUMP(("Channel packet, len %d", sock->outbuf->len),
+ SILC_LOG_HEXDUMP(("Channel packet (%d), len %d", sequence,
+ sock->outbuf->len),
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
packetdata.dst_id = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
packetdata.dst_id_len = silc_id_get_len(channel->id, SILC_ID_CHANNEL);
packetdata.dst_id_type = SILC_ID_CHANNEL;
- packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
/* If there are global users in the channel we will send the message
first to our router for further routing. */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, FALSE,
force_send);
}
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, FALSE,
force_send);
if (sender && sock == sender)
continue;
- /* Send the packet */
+ /* Send the packet */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, FALSE,
force_send);
}
packetdata.dst_id = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
packetdata.dst_id_len = silc_id_get_len(channel->id, SILC_ID_CHANNEL);
packetdata.dst_id_type = SILC_ID_CHANNEL;
- packetdata.padlen = SILC_PACKET_PADLEN((SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len +
- packetdata.dst_id_len));
/* If there are global users in the channel we will send the message
first to our router for further routing. */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, TRUE,
force_send);
}
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, TRUE,
force_send);
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, TRUE,
force_send);
}
SilcSocketConnection dst_sock,
SilcCipher cipher,
SilcHmac hmac,
+ uint32 sequence,
SilcPacketContext *packet)
{
SilcBuffer buffer = packet->buffer;
silc_buffer_put(dst_sock->outbuf, buffer->data, buffer->len);
/* Re-encrypt packet */
- silc_packet_encrypt(cipher, hmac, dst_sock->outbuf, buffer->len);
+ silc_packet_encrypt(cipher, hmac, sequence, dst_sock->outbuf, buffer->len);
/* Send the packet */
silc_server_packet_send_real(server, dst_sock, FALSE);
silc_buffer_put(dst_sock->outbuf, buffer->data, buffer->len);
/* Encrypt header */
- silc_packet_encrypt(cipher, hmac, dst_sock->outbuf,
+ silc_packet_encrypt(cipher, hmac, sequence, dst_sock->outbuf,
SILC_PACKET_HEADER_LEN + packet->src_id_len +
packet->dst_id_len + packet->padlen);
if (server->config && server->config->motd &&
server->config->motd->motd_file) {
- motd = silc_file_read(server->config->motd->motd_file, &motd_len);
+ motd = silc_file_readfile(server->config->motd->motd_file, &motd_len);
if (!motd)
return;
/* Get data used in packet header encryption, keys and stuff. */
sock = (SilcSocketConnection)c->router->connection;
idata = (SilcIDListData)c->router;
-
+
+ {
+ SILC_LOG_DEBUG(("*****************"));
+ SILC_LOG_DEBUG(("client->router->id %s",
+ silc_id_render(c->router->id, SILC_ID_SERVER)));
+ SILC_LOG_DEBUG(("client->router->connection->user_data->id %s",
+ silc_id_render(((SilcServerEntry)sock->user_data)->id, SILC_ID_SERVER)));
+ }
+
packetdata.dst_id = silc_id_id2str(c->router->id, SILC_ID_SERVER);
packetdata.dst_id_len = silc_id_get_len(c->router->id, SILC_ID_SERVER);
packetdata.dst_id_type = SILC_ID_SERVER;
- packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
/* Send the packet */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, FALSE,
force_send);
packetdata.dst_id = silc_id_id2str(c->id, SILC_ID_CLIENT);
packetdata.dst_id_len = silc_id_get_len(c->id, SILC_ID_CLIENT);
packetdata.dst_id_type = SILC_ID_CLIENT;
- packetdata.truelen = data_len + SILC_PACKET_HEADER_LEN +
- packetdata.src_id_len + packetdata.dst_id_len;
- packetdata.padlen = SILC_PACKET_PADLEN(packetdata.truelen);
/* Send the packet */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
+ idata->psn_send++,
data, data_len, FALSE,
force_send);
va_end(ap);
}
+/* Generic function to send any command reply. The arguments must be sent
+ already encoded into correct form in correct order. */
+
+void silc_server_send_command_reply(SilcServer server,
+ SilcSocketConnection sock,
+ SilcCommand command,
+ SilcCommandStatus status,
+ uint16 ident,
+ uint32 argc, ...)
+{
+ SilcBuffer packet;
+ va_list ap;
+
+ va_start(ap, argc);
+
+ packet = silc_command_reply_payload_encode_vap(command, status, ident,
+ argc, ap);
+ silc_server_packet_send(server, sock, SILC_PACKET_COMMAND_REPLY, 0,
+ packet->data, packet->len, TRUE);
+ silc_buffer_free(packet);
+ va_end(ap);
+}
+
/* Send the heartbeat packet. */
void silc_server_send_heartbeat(SilcServer server,
SilcSocketConnection dst_sock,
SilcCipher cipher,
SilcHmac hmac,
+ uint32 sequence,
SilcPacketContext *packet,
bool force_send)
{
silc_buffer_put(dst_sock->outbuf, packet->buffer->data, packet->buffer->len);
/* Re-encrypt packet */
- silc_packet_encrypt(cipher, hmac, dst_sock->outbuf, packet->buffer->len);
+ silc_packet_encrypt(cipher, hmac, sequence, dst_sock->outbuf,
+ packet->buffer->len);
/* Send the packet */
silc_server_packet_send_real(server, dst_sock, force_send);
projects / silc.git / blobdiff