Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2001 Pekka Riikonen
+ Copyright (C) 1997 - 2002 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
/* Send the packet */
ret = silc_packet_send(sock, force_send);
- if (ret != -2)
+ if (ret != -2) {
+ server->stat.packets_sent++;
return ret;
+ }
/* Mark that there is some outgoing data available for this connection.
This call sets the connection both for input and output (the input
{
void *dst_id = NULL;
SilcIdType dst_id_type = SILC_ID_NONE;
- SilcIDListData idata = (SilcIDListData)sock->user_data;
+ SilcIDListData idata;
if (!sock)
return;
+ idata = (SilcIDListData)sock->user_data;
+
/* If disconnecting, ignore the data */
if (SILC_IS_DISCONNECTING(sock))
return;
{
SilcPacketContext packetdata;
const SilcBufferStruct packet;
- SilcIDListData idata = (SilcIDListData)sock->user_data;
+ SilcIDListData idata;
SilcCipher cipher = NULL;
SilcHmac hmac = NULL;
SilcUInt32 sequence = 0;
int block_len = 0;
/* If disconnecting, ignore the data */
- if (SILC_IS_DISCONNECTING(sock))
+ if (!sock || SILC_IS_DISCONNECTING(sock))
return;
+ idata = (SilcIDListData)sock->user_data;
+
/* If entry is disabled do not sent anything. */
if (idata && idata->status & SILC_IDLIST_STATUS_DISABLED)
return;
- SILC_LOG_DEBUG(("Sending packet, type %d", type));
+ SILC_LOG_DEBUG(("Sending %s packet", silc_get_packet_name(type)));
if (dst_id) {
dst_id_data = silc_id_id2str(dst_id, dst_id_type);
/* Set the packet context pointers */
packetdata.type = type;
packetdata.flags = flags;
- packetdata.src_id = silc_id_id2str(server->id, server->id_type);
- packetdata.src_id_len = silc_id_get_len(server->id, server->id_type);
- packetdata.src_id_type = server->id_type;
+ packetdata.src_id = silc_id_id2str(server->id, SILC_ID_SERVER);
+ packetdata.src_id_len = silc_id_get_len(server->id, SILC_ID_SERVER);
+ packetdata.src_id_type = SILC_ID_SERVER;
packetdata.dst_id = dst_id_data;
packetdata.dst_id_len = dst_id_len;
packetdata.dst_id_type = dst_id_type;
SilcUInt32 src_id_len = 0;
int block_len = 0;
- SILC_LOG_DEBUG(("Sending packet, type %d", type));
+ SILC_LOG_DEBUG(("Sending %s packet", silc_get_packet_name(type)));
+
+ if (!sock)
+ return;
/* Get data used in the packet sending, keys and stuff */
idata = (SilcIDListData)sock->user_data;
SilcIDListData idata;
void *id;
+ if (!sock)
+ return;
+
SILC_LOG_DEBUG(("Broadcasting received broadcast packet"));
/* If the packet is originated from our primary route we are
clients (for server locally connected, and for router local cell). */
void silc_server_packet_send_clients(SilcServer server,
- SilcClientEntry *clients,
- SilcUInt32 clients_count,
+ SilcHashTable clients,
SilcPacketType type,
SilcPacketFlags flags,
bool route,
bool force_send)
{
SilcSocketConnection sock = NULL;
+ SilcHashTableList htl;
SilcClientEntry client = NULL;
SilcServerEntry *routed = NULL;
SilcUInt32 routed_count = 0;
bool gone = FALSE;
- int i, k;
+ int 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];
-
+ silc_hash_table_list(clients, &htl);
+ while (silc_hash_table_get(&htl, NULL, (void **)&client)) {
/* 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. */
/* Send to locally connected client */
sock = (SilcSocketConnection)client->connection;
+ if (!sock)
+ continue;
+
silc_server_packet_send_dest(server, sock, type, flags,
client->id, SILC_ID_CLIENT,
data, data_len, force_send);
}
-
+ silc_hash_table_list_reset(&htl);
silc_free(routed);
}
/* This doesn't send channel message packets */
assert(type != SILC_PACKET_CHANNEL_MESSAGE);
- SILC_LOG_DEBUG(("Sending packet to channel"));
-
/* Set the packet context pointers. */
packetdata.flags = 0;
packetdata.type = type;
if (sock != sender) {
SILC_LOG_DEBUG(("Sending packet to router for routing"));
-
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
idata->hmac_send,
}
}
+ if (!silc_hash_table_count(channel->user_list)) {
+ SILC_LOG_DEBUG(("Channel %s is empty", channel->channel_name));
+ goto out;
+ }
+
+ SILC_LOG_DEBUG(("Sending %s packet to channel %s",
+ silc_get_packet_name(type), channel->channel_name));
+
routed = silc_calloc(silc_hash_table_count(channel->user_list),
sizeof(*routed));
/* Send the message to clients on the channel's client list. */
silc_hash_table_list(channel->user_list, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
+ while (silc_hash_table_get(&htl, NULL, (void **)&chl)) {
client = chl->client;
if (!client)
continue;
if (sender && sock == sender)
continue;
- /* Route only once to router */
+ /* Route only once to router. Protocol prohibits sending channel
+ messages to more than one router. */
if (sock->type == SILC_SOCKET_TYPE_ROUTER) {
if (gone)
continue;
gone = TRUE;
}
+ SILC_LOG_DEBUG(("Sending packet to client %s",
+ client->nickname ? client->nickname :
+ (unsigned char *)""));
+
/* Send the packet */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
if (!sock || (sender && sock == sender))
continue;
+ SILC_LOG_DEBUG(("Sending packet to client %s",
+ client->nickname ? client->nickname :
+ (unsigned char *)""));
+
/* Send the packet */
silc_server_packet_send_to_channel_real(server, sock, &packetdata,
idata->send_key,
data, data_len, FALSE,
force_send);
}
-
silc_hash_table_list_reset(&htl);
+
+ out:
silc_free(routed);
silc_free(packetdata.src_id);
silc_free(packetdata.dst_id);
sock->type == SILC_SOCKET_TYPE_ROUTER &&
!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY) &&
channel->channel_key) {
- SilcBuffer chp;
- SilcUInt32 iv_len, i;
- SilcUInt16 dlen, flags;
-
- iv_len = silc_cipher_get_block_len(channel->channel_key);
- if (channel->iv[0] == '\0')
- for (i = 0; i < iv_len; i++) channel->iv[i] =
- silc_rng_get_byte(server->rng);
- else
- silc_hash_make(server->md5hash, channel->iv, iv_len, channel->iv);
-
- /* Encode new payload. This encrypts it also. */
- SILC_GET16_MSB(flags, data);
- SILC_GET16_MSB(dlen, data + 2);
+ SilcUInt32 mac_len = silc_hmac_len(channel->hmac);
+ SilcUInt32 iv_len = silc_cipher_get_block_len(channel->channel_key);
+ unsigned char iv[SILC_CIPHER_MAX_IV_SIZE];
- if (dlen > data_len) {
+ if (data_len <= mac_len + iv_len) {
SILC_LOG_WARNING(("Corrupted channel message, cannot relay it"));
return FALSE;
}
- chp = silc_channel_message_payload_encode(flags, dlen, data + 4,
- iv_len, channel->iv,
- channel->channel_key,
- channel->hmac, NULL);
- memcpy(data, chp->data, chp->len);
- silc_buffer_free(chp);
+ memcpy(iv, data + (data_len - iv_len), iv_len);
+ silc_channel_message_payload_encrypt(data, data_len - iv_len - mac_len,
+ data_len, iv, iv_len,
+ channel->channel_key, channel->hmac);
}
return TRUE;
void silc_server_packet_relay_to_channel(SilcServer server,
SilcSocketConnection sender_sock,
SilcChannelEntry channel,
- void *sender,
+ void *sender_id,
SilcIdType sender_type,
- void *sender_entry,
+ SilcClientEntry sender_entry,
unsigned char *data,
SilcUInt32 data_len,
bool force_send)
{
- bool found = FALSE;
SilcSocketConnection sock = NULL;
SilcPacketContext packetdata;
SilcClientEntry client = NULL;
SilcServerEntry *routed = NULL;
- SilcChannelClientEntry chl;
+ SilcChannelClientEntry chl, chl_sender;
SilcUInt32 routed_count = 0;
SilcIDListData idata;
SilcHashTableList htl;
bool gone = FALSE;
int k;
- SILC_LOG_DEBUG(("Relaying packet to channel"));
+ if (!silc_server_client_on_channel(sender_entry, channel, &chl_sender))
+ return;
+
+ SILC_LOG_DEBUG(("Relaying packet to channel %s", channel->channel_name));
/* This encrypts the packet, if needed. It will be encrypted if
it came from the router thus it needs to be encrypted with the
/* Set the packet context pointers. */
packetdata.flags = 0;
packetdata.type = SILC_PACKET_CHANNEL_MESSAGE;
- packetdata.src_id = silc_id_id2str(sender, sender_type);
- packetdata.src_id_len = silc_id_get_len(sender, sender_type);
+ packetdata.src_id = silc_id_id2str(sender_id, sender_type);
+ packetdata.src_id_len = silc_id_get_len(sender_id, sender_type);
packetdata.src_id_type = sender_type;
packetdata.dst_id = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
packetdata.dst_id_len = silc_id_get_len(channel->id, SILC_ID_CHANNEL);
routed = silc_calloc(silc_hash_table_count(channel->user_list),
sizeof(*routed));
- /* Mark that to the route the original sender if from is not routed */
- if (sender_type == SILC_ID_CLIENT) {
- client = (SilcClientEntry)sender_entry;
- if (client->router) {
- routed[routed_count++] = client->router;
- SILC_LOG_DEBUG(("************* router %s",
- silc_id_render(client->router->id, SILC_ID_SERVER)));
- }
- }
+ /* Assure we won't route the message back to the sender's way. */
+ if (sender_entry->router)
+ routed[routed_count++] = sender_entry->router;
/* Send the message to clients on the channel's client list. */
silc_hash_table_list(channel->user_list, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
+ while (silc_hash_table_get(&htl, NULL, (void **)&chl)) {
client = chl->client;
- if (!client)
+ if (!client || client == sender_entry)
continue;
- /* Do not send to the sender */
- if (!found && client == sender_entry) {
- found = TRUE;
+ /* Check whether message sending is blocked */
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES)
+ continue;
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS &&
+ !(chl_sender->mode & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(chl_sender->mode & SILC_CHANNEL_UMODE_CHANFO))
+ continue;
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS &&
+ sender_entry->mode & SILC_UMODE_ROBOT)
continue;
- }
/* If the client has set router it means that it is not locally
connected client and we will route the packet further. */
if (server->server_type == SILC_ROUTER && client->router) {
- /* Sender maybe server as well so we want to make sure that
- we won't send the message to the server it came from. */
- if (!found && SILC_ID_SERVER_COMPARE(client->router->id, sender)) {
- found = TRUE;
- routed[routed_count++] = client->router;
- continue;
- }
-
/* 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;
-
+
/* Get data used in packet header encryption, keys and stuff. */
sock = (SilcSocketConnection)client->router->connection;
idata = (SilcIDListData)client->router;
- /* Do not send to the sender. Check first whether the true
- sender's router is same as this client's router. Also check
- if the sender socket is the same as this client's router
+ /* Check if the sender socket is the same as this client's router
socket. */
- if (sender_entry &&
- ((SilcClientEntry)sender_entry)->router == client->router)
- continue;
if (sender_sock && sock == sender_sock)
continue;
/* Mark this route routed already. */
routed[routed_count++] = client->router;
- /* If the remote connection is router then we'll decrypt the
- channel message and re-encrypt it with the session key shared
- between us and the remote router. This is done because the
- channel keys are cell specific and we have different channel
- key than the remote router has. */
if (sock->type == SILC_SOCKET_TYPE_ROUTER) {
+ /* The remote connection is router then we'll decrypt the
+ channel message and re-encrypt it with the session key shared
+ between us and the remote router. This is done because the
+ channel keys are cell specific and we have different channel
+ key than the remote router has. */
+
+ /* Route only once to router. Protocol prohibits sending channel
+ messages to more than one router. */
if (gone)
continue;
+ gone = TRUE;
SILC_LOG_DEBUG(("Remote is router, encrypt with session key"));
- gone = TRUE;
/* If private key mode is not set then decrypt the packet
and re-encrypt it */
- if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
- unsigned char *tmp = silc_memdup(data, data_len);
+ if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY) &&
+ channel->channel_key) {
+ unsigned char tmp[SILC_PACKET_MAX_LEN];
+
+ if (data_len > SILC_PACKET_MAX_LEN)
+ data_len = SILC_PACKET_MAX_LEN;
+ memcpy(tmp, data, data_len);
/* Decrypt the channel message (we don't check the MAC) */
- if (channel->channel_key &&
- !silc_channel_message_payload_decrypt(tmp, data_len,
- channel->channel_key,
- NULL)) {
- memset(tmp, 0, data_len);
- silc_free(tmp);
- continue;
- }
+ silc_channel_message_payload_decrypt(tmp, data_len,
+ channel->channel_key, NULL);
/* Now re-encrypt and send it to the router */
- silc_server_packet_send_srcdest(server, sock,
+ silc_server_packet_send_srcdest(server, sock,
SILC_PACKET_CHANNEL_MESSAGE, 0,
- sender, sender_type,
+ sender_id, sender_type,
channel->id, SILC_ID_CHANNEL,
tmp, data_len, force_send);
-
- /* Free the copy of the channel message */
- memset(tmp, 0, data_len);
- silc_free(tmp);
} else {
/* Private key mode is set, we don't have the channel key, so
just re-encrypt the entire packet and send it to the router. */
- silc_server_packet_send_srcdest(server, sock,
+ silc_server_packet_send_srcdest(server, sock,
SILC_PACKET_CHANNEL_MESSAGE, 0,
- sender, sender_type,
+ sender_id, sender_type,
channel->id, SILC_ID_CHANNEL,
data, data_len, force_send);
}
- continue;
+ } else {
+ /* Send the packet to normal server */
+ 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);
}
- /* Send the packet (to normal server) */
- 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);
-
continue;
}
SilcHashTableList htl;
SilcSocketConnection sock = NULL;
- SILC_LOG_DEBUG(("Start"));
+ SILC_LOG_DEBUG(("Send packet to local clients on channel %s",
+ channel->channel_name));
/* Send the message to clients on the channel's client list. */
silc_hash_table_list(channel->user_list, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
+ while (silc_hash_table_get(&htl, NULL, (void **)&chl)) {
if (chl->client && !chl->client->router) {
sock = (SilcSocketConnection)chl->client->connection;
packet->data, packet->len, FALSE);
/* Send to backup routers if this is being broadcasted to primary
- router. */
- if (server->router && server->router->connection &&
- sock == server->router->connection && broadcast)
+ router. The silc_server_backup_send checks further whether to
+ actually send it or not. */
+ if ((broadcast && sock && sock == SILC_PRIMARY_ROUTE(server)) ||
+ (broadcast && !sock && !SILC_PRIMARY_ROUTE(server)))
silc_server_backup_send(server, NULL, SILC_PACKET_NOTIFY, 0,
packet->data, packet->len, FALSE, TRUE);
SilcSocketConnection sock,
bool broadcast,
SilcClientID *old_id,
- SilcClientID *new_id)
+ SilcClientID *new_id,
+ const char *nickname)
{
SilcBuffer idp1, idp2;
silc_server_send_notify(server, sock, broadcast,
SILC_NOTIFY_TYPE_NICK_CHANGE,
- 2, idp1->data, idp1->len, idp2->data, idp2->len);
+ 3, idp1->data, idp1->len, idp2->data, idp2->len,
+ nickname, nickname ? strlen(nickname) : 0);
silc_buffer_free(idp1);
silc_buffer_free(idp2);
}
SilcChannelEntry channel,
SilcUInt32 mode_mask,
void *id, SilcIdType id_type,
- char *cipher, char *hmac,
- char *passphrase)
+ const char *cipher, const char *hmac,
+ const char *passphrase,
+ SilcPublicKey founder_key)
{
SilcBuffer idp;
- unsigned char mode[4];
+ unsigned char mode[4], *key = NULL;
+ SilcUInt32 key_len = 0;
idp = silc_id_payload_encode((void *)id, id_type);
SILC_PUT32_MSB(mode_mask, mode);
+ if (founder_key)
+ key = silc_pkcs_public_key_encode(founder_key, &key_len);
silc_server_send_notify_dest(server, sock, broadcast, (void *)channel->id,
SILC_ID_CHANNEL, SILC_NOTIFY_TYPE_CMODE_CHANGE,
- 5, idp->data, idp->len,
+ 6, idp->data, idp->len,
mode, 4,
cipher, cipher ? strlen(cipher) : 0,
hmac, hmac ? strlen(hmac) : 0,
passphrase, passphrase ?
- strlen(passphrase) : 0);
+ strlen(passphrase) : 0,
+ key, key_len);
+ silc_free(key);
silc_buffer_free(idp);
}
-/* Sends CUMODE_CHANGE notify type. This tells that `client_id' changed the
+/* Sends CUMODE_CHANGE notify type. This tells that `id' changed the
`target' client's mode on `channel'. The notify packet is always
destined to the channel. */
SilcChannelEntry channel,
SilcUInt32 mode_mask,
void *id, SilcIdType id_type,
- SilcClientID *target)
+ SilcClientID *target,
+ SilcPublicKey founder_key)
{
SilcBuffer idp1, idp2;
- unsigned char mode[4];
+ unsigned char mode[4], *key = NULL;
+ SilcUInt32 key_len = 0;
idp1 = silc_id_payload_encode((void *)id, id_type);
idp2 = silc_id_payload_encode((void *)target, SILC_ID_CLIENT);
SILC_PUT32_MSB(mode_mask, mode);
+ if (founder_key)
+ key = silc_pkcs_public_key_encode(founder_key, &key_len);
silc_server_send_notify_dest(server, sock, broadcast, (void *)channel->id,
SILC_ID_CHANNEL,
- SILC_NOTIFY_TYPE_CUMODE_CHANGE, 3,
+ SILC_NOTIFY_TYPE_CUMODE_CHANGE, 4,
idp1->data, idp1->len,
mode, 4,
- idp2->data, idp2->len);
+ idp2->data, idp2->len,
+ key, key_len);
+ silc_free(key);
silc_buffer_free(idp1);
silc_buffer_free(idp2);
}
SilcSocketConnection sock,
bool broadcast,
SilcClientID *client_id,
- char *comment)
+ const char *comment,
+ void *killer, SilcIdType killer_type)
{
- SilcBuffer idp;
+ SilcBuffer idp1;
+ SilcBuffer idp2;
- idp = silc_id_payload_encode((void *)client_id, SILC_ID_CLIENT);
+ idp1 = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
+ idp2 = silc_id_payload_encode(killer, killer_type);
silc_server_send_notify_dest(server, sock, broadcast, (void *)client_id,
SILC_ID_CLIENT, SILC_NOTIFY_TYPE_KILLED,
- comment ? 2 : 1, idp->data, idp->len,
- comment, comment ? strlen(comment) : 0);
- silc_buffer_free(idp);
+ 3, idp1->data, idp1->len,
+ comment, comment ? strlen(comment) : 0,
+ idp2->data, idp2->len);
+ silc_buffer_free(idp1);
+ silc_buffer_free(idp2);
}
/* Sends UMODE_CHANGE notify type. This tells that `client_id' client's
silc_buffer_free(idp2);
}
+/* Sends WATCH notify type. This tells that the `client' was watched and
+ its status in the network has changed. */
+
+void silc_server_send_notify_watch(SilcServer server,
+ SilcSocketConnection sock,
+ SilcClientEntry watcher,
+ SilcClientEntry client,
+ const char *nickname,
+ SilcNotifyType type)
+{
+ SilcBuffer idp;
+ unsigned char mode[4], n[2];
+
+ idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+ SILC_PUT16_MSB(type, n);
+ SILC_PUT32_MSB(client->mode, mode);
+ silc_server_send_notify_dest(server, sock, FALSE, watcher->id,
+ SILC_ID_CLIENT, SILC_NOTIFY_TYPE_WATCH,
+ 4, idp->data, idp->len,
+ nickname, nickname ? strlen(nickname) : 0,
+ mode, sizeof(mode),
+ type != SILC_NOTIFY_TYPE_NONE ?
+ n : NULL, sizeof(n));
+ silc_buffer_free(idp);
+}
+
/* Sends notify message destined to specific entity. */
void silc_server_send_notify_dest(SilcServer server,
bool force_send = FALSE;
va_list ap;
- SILC_LOG_DEBUG(("Start"));
-
- if (!silc_hash_table_count(client->channels))
+ if (!silc_hash_table_count(client->channels)) {
+ SILC_LOG_DEBUG(("Client is not joined to any channels"));
return;
+ }
+
+ SILC_LOG_DEBUG(("Sending notify to joined channels"));
va_start(ap, argc);
packet = silc_notify_payload_encode(type, argc, ap);
packetdata.src_id_type = SILC_ID_SERVER;
silc_hash_table_list(client->channels, &htl);
- while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
+ while (silc_hash_table_get(&htl, NULL, (void **)&chl)) {
channel = chl->channel;
/* Send the message to all clients on the channel's client list. */
silc_hash_table_list(channel->user_list, &htl2);
- while (silc_hash_table_get(&htl2, NULL, (void *)&chl2)) {
+ while (silc_hash_table_get(&htl2, NULL, (void **)&chl2)) {
c = chl2->client;
if (sender && c == sender)
{
SilcBuffer idp;
- SILC_LOG_DEBUG(("Start"));
+ SILC_LOG_DEBUG(("Sending new ID"));
idp = silc_id_payload_encode(id, id_type);
silc_server_packet_send(server, sock, SILC_PACKET_NEW_ID,
broadcast ? SILC_PACKET_FLAG_BROADCAST : 0,
idp->data, idp->len, FALSE);
-
- /* Send to backup routers if this is being broadcasted to primary
- router. */
- if (server->router && server->router->connection &&
- sock == server->router->connection && broadcast)
- silc_server_backup_send(server, NULL, SILC_PACKET_NEW_ID, 0,
- idp->data, idp->len, FALSE, TRUE);
-
silc_buffer_free(idp);
}
unsigned char *cid;
SilcUInt32 name_len = strlen(channel_name);
- SILC_LOG_DEBUG(("Start"));
+ SILC_LOG_DEBUG(("Sending new channel"));
cid = silc_id_id2str(channel_id, SILC_ID_CHANNEL);
if (!cid)
broadcast ? SILC_PACKET_FLAG_BROADCAST : 0,
packet->data, packet->len, FALSE);
- /* Send to backup routers if this is being broadcasted to primary
- router. */
- if (server->server_type == SILC_ROUTER &&
- server->router && server->router->connection &&
- sock == server->router->connection && broadcast)
- silc_server_backup_send(server, NULL, SILC_PACKET_NEW_CHANNEL, 0,
- packet->data, packet->len, FALSE, TRUE);
-
silc_free(cid);
silc_buffer_free(packet);
}
void silc_server_send_command_reply(SilcServer server,
SilcSocketConnection sock,
SilcCommand command,
- SilcCommandStatus status,
+ SilcStatus status,
+ SilcStatus error,
SilcUInt16 ident,
SilcUInt32 argc, ...)
{
va_start(ap, argc);
- packet = silc_command_reply_payload_encode_vap(command, status, ident,
- argc, ap);
+ packet = silc_command_reply_payload_encode_vap(command, status, error,
+ ident, argc, ap);
silc_server_packet_send(server, sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, TRUE);
silc_buffer_free(packet);
void *dst_id,
SilcIdType dst_id_type,
SilcCommand command,
- SilcCommandStatus status,
+ SilcStatus status,
+ SilcStatus error,
SilcUInt16 ident,
SilcUInt32 argc, ...)
{
va_start(ap, argc);
- packet = silc_command_reply_payload_encode_vap(command, status, ident,
- argc, ap);
+ packet = silc_command_reply_payload_encode_vap(command, status, error,
+ ident, argc, ap);
silc_server_packet_send_dest(server, sock, SILC_PACKET_COMMAND_REPLY, 0,
dst_id, dst_id_type, packet->data,
packet->len, TRUE);
return;
}
silc_buffer_put((SilcBuffer)&p, packet->buffer->data, packet->buffer->len);
-
+
/* Re-encrypt packet */
- silc_packet_encrypt(cipher, hmac, sequence, (SilcBuffer)&p,
- packet->buffer->len);
+ silc_packet_encrypt(cipher, hmac, sequence, (SilcBuffer)&p, p.len);
/* Send the packet */
silc_server_packet_send_real(server, dst_sock, force_send);
silc_buffer_clear(sock->outbuf);
}
}
+
+/* Send packet to clients that are known to be operators. If server
+ is router and `route' is TRUE then the packet would go to all operators
+ in the SILC network. If `route' is FALSE then only local operators
+ (local for server and cell wide for router). If `local' is TRUE then
+ only locally connected operators receive the packet. If `local' is
+ TRUE then `route' is ignored. If server is normal server and `route'
+ is FALSE it is equivalent to `local' being TRUE. */
+
+void silc_server_send_opers(SilcServer server,
+ SilcPacketType type,
+ SilcPacketFlags flags,
+ bool route, bool local,
+ unsigned char *data,
+ SilcUInt32 data_len,
+ bool force_send)
+{
+ SilcIDCacheList list = NULL;
+ SilcIDCacheEntry id_cache = NULL;
+ SilcClientEntry client = NULL;
+ SilcSocketConnection sock;
+ SilcServerEntry *routed = NULL;
+ SilcUInt32 routed_count = 0;
+ bool gone = FALSE;
+ int k;
+
+ SILC_LOG_DEBUG(("Sending %s packet to operators",
+ silc_get_packet_name(type)));
+
+ /* If local was requested send only locally connected operators. */
+ if (local || (server->server_type == SILC_SERVER && !route)) {
+ if (!silc_idcache_get_all(server->local_list->clients, &list) ||
+ !silc_idcache_list_first(list, &id_cache))
+ return;
+ while (id_cache) {
+ client = (SilcClientEntry)id_cache->context;
+ if (!client->router && SILC_IS_LOCAL(client) &&
+ (client->mode & SILC_UMODE_SERVER_OPERATOR ||
+ client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
+
+ /* Send the packet to locally connected operator */
+ silc_server_packet_send_dest(server, client->connection, type, flags,
+ client->id, SILC_ID_CLIENT,
+ data, data_len, force_send);
+ }
+
+ if (!silc_idcache_list_next(list, &id_cache))
+ break;
+ }
+ silc_idcache_list_free(list);
+ return;
+ }
+
+ if (!silc_idcache_get_all(server->local_list->clients, &list) ||
+ !silc_idcache_list_first(list, &id_cache))
+ return;
+ while (id_cache) {
+ client = (SilcClientEntry)id_cache->context;
+ if (!(client->mode & SILC_UMODE_SERVER_OPERATOR) &&
+ !(client->mode & SILC_UMODE_ROUTER_OPERATOR))
+ goto next;
+
+ if (server->server_type != SILC_SERVER && 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)
+ goto next;
+
+ /* Route only once to router */
+ sock = (SilcSocketConnection)client->router->connection;
+ if (sock->type == SILC_SOCKET_TYPE_ROUTER) {
+ if (gone)
+ goto next;
+ gone = TRUE;
+ }
+
+ /* Send the packet */
+ silc_server_packet_send_dest(server, sock, type, flags,
+ client->id, SILC_ID_CLIENT,
+ data, data_len, force_send);
+
+ /* Mark this route routed already */
+ routed = silc_realloc(routed, sizeof(*routed) * (routed_count + 1));
+ routed[routed_count++] = client->router;
+ goto next;
+ }
+
+ if (client->router || !client->connection)
+ goto next;
+
+ /* 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);
+
+ next:
+ if (!silc_idcache_list_next(list, &id_cache))
+ break;
+ }
+ silc_idcache_list_free(list);
+
+ if (!silc_idcache_get_all(server->global_list->clients, &list) ||
+ !silc_idcache_list_first(list, &id_cache))
+ return;
+ while (id_cache) {
+ client = (SilcClientEntry)id_cache->context;
+ if (!(client->mode & SILC_UMODE_SERVER_OPERATOR) &&
+ !(client->mode & SILC_UMODE_ROUTER_OPERATOR))
+ goto nextg;
+
+ if (server->server_type != SILC_SERVER && 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)
+ goto nextg;
+
+ /* Route only once to router */
+ sock = (SilcSocketConnection)client->router->connection;
+ if (sock->type == SILC_SOCKET_TYPE_ROUTER) {
+ if (gone)
+ goto nextg;
+ gone = TRUE;
+ }
+
+ /* Send the packet */
+ silc_server_packet_send_dest(server, sock, type, flags,
+ client->id, SILC_ID_CLIENT,
+ data, data_len, force_send);
+
+ /* Mark this route routed already */
+ routed = silc_realloc(routed, sizeof(*routed) * (routed_count + 1));
+ routed[routed_count++] = client->router;
+ goto nextg;
+ }
+
+ if (client->router || !client->connection)
+ goto nextg;
+
+ /* 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);
+
+ nextg:
+ if (!silc_idcache_list_next(list, &id_cache))
+ break;
+ }
+ silc_idcache_list_free(list);
+ silc_free(routed);
+}
+
+/* Send a notify packet to operators */
+
+void silc_server_send_opers_notify(SilcServer server,
+ bool route,
+ bool local,
+ SilcNotifyType type,
+ SilcUInt32 argc, ...)
+{
+ va_list ap;
+ SilcBuffer packet;
+
+ va_start(ap, argc);
+ packet = silc_notify_payload_encode(type, argc, ap);
+ silc_server_send_opers(server, SILC_PACKET_NOTIFY, 0,
+ route, local, packet->data, packet->len,
+ FALSE);
+ silc_buffer_free(packet);
+ va_end(ap);
+}
projects / silc.git / blobdiff