static void
silc_server_command_send_status_reply(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status);
+ SilcStatus status);
static void
silc_server_command_send_status_data(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status,
+ SilcStatus status,
SilcUInt32 arg_type,
const unsigned char *arg,
SilcUInt32 arg_len);
SILC_SERVER_CMD(cumode, CUMODE, SILC_CF_LAG | SILC_CF_REG),
SILC_SERVER_CMD(kick, KICK, SILC_CF_LAG_STRICT | SILC_CF_REG),
SILC_SERVER_CMD(ban, BAN, SILC_CF_LAG_STRICT | SILC_CF_REG),
+ SILC_SERVER_CMD(detach, DETACH, SILC_CF_LAG_STRICT | SILC_CF_REG),
SILC_SERVER_CMD(silcoper, SILCOPER,
SILC_CF_LAG | SILC_CF_REG | SILC_CF_SILC_OPER),
SILC_SERVER_CMD(leave, LEAVE, SILC_CF_LAG_STRICT | SILC_CF_REG),
of arguments. */
#define SILC_SERVER_COMMAND_CHECK(command, context, min, max) \
do { \
- SilcUInt32 _argc; \
+ SilcUInt32 _argc; \
\
SILC_LOG_DEBUG(("Start")); \
\
static void
silc_server_command_send_status_reply(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status)
+ SilcStatus status)
{
SilcBuffer buffer;
static void
silc_server_command_send_status_data(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status,
+ SilcStatus status,
SilcUInt32 arg_type,
const unsigned char *arg,
SilcUInt32 arg_len)
/* Get the max count of reply messages allowed */
tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
+ if (tmp) {
+ SILC_GET32_MSB(*count, tmp);
+ } else {
*count = 0;
+ }
return TRUE;
}
SilcServer server = cmd->server;
char *tmp;
int i, k, len, valid_count;
- SilcBuffer packet, idp, channels;
+ SilcBuffer packet, idp, channels, umode_list = NULL;
SilcClientEntry entry;
- SilcCommandStatus status;
+ SilcStatus status;
SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char nh[256], uh[256];
unsigned char idle[4], mode[4];
strncat(uh, hsock->hostname, len);
}
- channels = silc_server_get_client_channel_list(server, entry);
+ if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
+ channels = silc_server_get_client_channel_list(server, entry, FALSE,
+ FALSE, &umode_list);
+ else
+ channels = silc_server_get_client_channel_list(server, entry, TRUE,
+ TRUE, &umode_list);
if (entry->data.fingerprint[0] != 0 && entry->data.fingerprint[1] != 0)
fingerprint = entry->data.fingerprint;
packet =
silc_command_reply_payload_encode_va(SILC_COMMAND_WHOIS,
- status, 0, ident, 8,
+ status, 0, ident, 9,
2, idp->data, idp->len,
3, nh, strlen(nh),
4, uh, strlen(uh),
7, mode, 4,
8, idle, 4,
9, fingerprint,
- fingerprint ? 20 : 0);
+ fingerprint ? 20 : 0,
+ 10, umode_list ? umode_list->data :
+ NULL, umode_list ? umode_list->len :
+ 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
0, packet->data, packet->len, FALSE);
silc_buffer_free(idp);
if (channels)
silc_buffer_free(channels);
+ if (umode_list) {
+ silc_buffer_free(umode_list);
+ umode_list = NULL;
+ }
k++;
}
/* Get the max count of reply messages allowed */
tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
+ if (tmp) {
+ SILC_GET32_MSB(*count, tmp);
+ } else {
*count = 0;
+ }
return TRUE;
}
int i, k, count = 0, len;
SilcBuffer packet, idp;
SilcClientEntry entry = NULL;
- SilcCommandStatus status;
+ SilcStatus status;
SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char nh[256], uh[256];
int valid_count;
/* Get the max count of reply messages allowed */
tmp = silc_argument_get_arg_type(cmd->args, 4, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
+ if (tmp) {
+ SILC_GET32_MSB(*count, tmp);
+ } else {
*count = 0;
+ }
return 1;
}
SilcServer server = cmd->server;
int i, k, len, valid_count;
SilcBuffer packet, idp;
- SilcCommandStatus status;
+ SilcStatus status;
SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char nh[256], uh[256];
SilcSocketConnection hsock;
cmd->server->md5hash, nick,
&new_id)) {
nickfail++;
+ if (nickfail > 9) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_NICK,
+ SILC_STATUS_ERR_BAD_NICKNAME);
+ goto out;
+ }
snprintf(&nick[strlen(nick) - 1], 1, "%d", nickfail);
}
int i, k;
SilcBuffer packet, idp;
SilcChannelEntry entry;
- SilcCommandStatus status;
+ SilcStatus status;
SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char *topic;
unsigned char usercount[4];
}
/* Get the client entry */
- dest = silc_server_get_client_resolve(server, dest_id, &resolve);
+ dest = silc_server_get_client_resolve(server, dest_id, FALSE, &resolve);
if (!dest) {
if (server->server_type != SILC_SERVER || !resolve) {
silc_server_command_send_status_reply(
if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
goto out;
- /* Get destination ID */
+ /* Get message */
tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
if (len > 128)
tmp = NULL;
/* We quit the connection with little timeout */
silc_schedule_task_add(server->schedule, sock->sock,
- silc_server_command_quit_cb, (void *)q,
- 0, 200000, SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
+ silc_server_command_quit_cb, (void *)q,
+ 0, 200000, SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
out:
silc_server_command_free(cmd);
SilcClientID *client_id;
unsigned char *tmp, *comment;
SilcUInt32 tmp_len, tmp_len2;
- SilcBuffer killer;
bool local;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_KILL, cmd, 1, 2);
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
SILC_STATUS_OK);
- /* Send the KILL notify packets. First send it to the channel, then
- to our primary router and then directly to the client who is being
- killed right now. */
-
- /* Send KILLED notify to the channels. It is not sent to the client
- as it will be sent differently destined directly to the client and not
- to the channel. */
- killer = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- silc_server_send_notify_on_channels(server, remote_client,
- remote_client, SILC_NOTIFY_TYPE_KILLED,
- 3, tmp, tmp_len,
- comment, comment ? tmp_len2 : 0,
- killer->data, killer->len);
- silc_buffer_free(killer);
-
- /* Send KILLED notify to primary route */
- if (!server->standalone)
- silc_server_send_notify_killed(server, server->router->connection, TRUE,
- remote_client->id, comment, client->id);
-
- /* Send KILLED notify to the client directly */
- silc_server_send_notify_killed(server, remote_client->connection ?
- remote_client->connection :
- remote_client->router->connection, FALSE,
- remote_client->id, comment, client->id);
-
- /* Remove the client from all channels. This generates new keys to the
- channels as well. */
- silc_server_remove_from_channels(server, NULL, remote_client, FALSE,
- NULL, TRUE);
-
- /* Remove the client entry, If it is locally connected then we will also
- disconnect the client here */
- if (remote_client->connection) {
- /* Remove locally conneted client */
- SilcSocketConnection sock = remote_client->connection;
- silc_server_free_client_data(server, sock, remote_client, FALSE, NULL);
- silc_server_close_connection(server, sock);
- } else {
- /* Update statistics */
- if (remote_client->connection)
- server->stat.my_clients--;
- if (server->stat.cell_clients)
- server->stat.cell_clients--;
- SILC_OPER_STATS_UPDATE(remote_client, server, SILC_UMODE_SERVER_OPERATOR);
- SILC_OPER_STATS_UPDATE(remote_client, router, SILC_UMODE_ROUTER_OPERATOR);
-
- /* Remove remote client */
- silc_idlist_del_client(local ? server->local_list :
- server->global_list, remote_client);
- }
+ /* Now do the killing */
+ silc_server_kill_client(server, remote_client, comment, client->id,
+ SILC_ID_CLIENT);
out:
silc_server_command_free(cmd);
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT) {
client = (SilcClientEntry)sock->user_data;
} else {
- client = silc_server_get_client_resolve(server, client_id, &resolve);
+ client = silc_server_get_client_resolve(server, client_id, FALSE,
+ &resolve);
if (!client) {
if (cmd->pending)
goto out;
if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
tmp = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
- keyp = silc_channel_key_payload_encode(SILC_ID_CHANNEL_LEN, tmp,
+ keyp = silc_channel_key_payload_encode(silc_id_get_len(channel->id,
+ SILC_ID_CHANNEL),
+ tmp,
strlen(channel->channel_key->
cipher->name),
channel->channel_key->cipher->name,
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
SilcBuffer packet;
- unsigned char *tmp_mask;
- SilcUInt32 mask;
+ unsigned char *tmp_mask, m[4];
+ SilcUInt32 mask = 0;
SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ bool set_mask = FALSE;
if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
goto out;
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_UMODE, cmd, 2, 2);
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_UMODE, cmd, 1, 2);
/* Get the client's mode mask */
tmp_mask = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (!tmp_mask) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
- }
- SILC_GET32_MSB(mask, tmp_mask);
-
- /* Check that mode changing is allowed. */
- if (!silc_server_check_umode_rights(server, client, mask)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
- SILC_STATUS_ERR_PERM_DENIED);
- goto out;
+ if (tmp_mask) {
+ SILC_GET32_MSB(mask, tmp_mask);
+ set_mask = TRUE;
}
- /* Anonymous mode cannot be set by client */
- if (mask & SILC_UMODE_ANONYMOUS) {
- if (!(client->mode & SILC_UMODE_ANONYMOUS)) {
+ if (set_mask) {
+ /* Check that mode changing is allowed. */
+ if (!silc_server_check_umode_rights(server, client, mask)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
SILC_STATUS_ERR_PERM_DENIED);
goto out;
}
- } else {
- if (client->mode & SILC_UMODE_ANONYMOUS) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
- SILC_STATUS_ERR_PERM_DENIED);
- goto out;
+
+ /* Anonymous mode cannot be set by client */
+ if (mask & SILC_UMODE_ANONYMOUS) {
+ if (!(client->mode & SILC_UMODE_ANONYMOUS)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
+ SILC_STATUS_ERR_PERM_DENIED);
+ goto out;
+ }
+ } else {
+ if (client->mode & SILC_UMODE_ANONYMOUS) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
+ SILC_STATUS_ERR_PERM_DENIED);
+ goto out;
+ }
}
- }
- /* Change the mode */
- client->mode = mask;
+ /* Change the mode */
+ client->mode = mask;
- /* Send UMODE change to primary router */
- if (!server->standalone)
- silc_server_send_notify_umode(server, server->router->connection, TRUE,
- client->id, client->mode);
+ /* Send UMODE change to primary router */
+ if (!server->standalone)
+ silc_server_send_notify_umode(server, server->router->connection, TRUE,
+ client->id, client->mode);
+ }
/* Send command reply to sender */
+ SILC_PUT32_MSB(client->mode, m);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_UMODE,
SILC_STATUS_OK, 0, ident, 1,
- 2, tmp_mask, 4);
+ 2, m, sizeof(m));
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
silc_buffer_free(packet);
silc_server_command_free(cmd);
}
+SILC_TASK_CALLBACK(silc_server_command_detach_cb)
+{
+ QuitInternal q = (QuitInternal)context;
+ SilcClientEntry client = (SilcClientEntry)q->sock->user_data;
+
+ /* If there is pending outgoing data for the client then purge it
+ to the network before closing connection. */
+ silc_server_packet_queue_purge(q->server, q->sock);
+
+ /* Close the connection on our side */
+ client->router = NULL;
+ client->connection = NULL;
+ q->sock->user_data = NULL;
+ silc_server_close_connection(q->server, q->sock);
+
+ silc_free(q);
+}
+
+SILC_TASK_CALLBACK(silc_server_command_detach_timeout)
+{
+ QuitInternal q = (QuitInternal)context;
+ SilcClientEntry client = (SilcClientEntry)q->sock;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (client->mode & SILC_UMODE_DETACHED)
+ silc_server_free_client_data(q->server, NULL, client, TRUE,
+ "Detach timeout");
+ silc_free(q);
+}
+
+/* Server side of DETACH command. Detached the client from the network
+ by closing the connection but preserving the session. */
+
+SILC_SERVER_CMD_FUNC(detach)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
+ QuitInternal q;
+
+ if (server->config->detach_disabled) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_DETACH,
+ SILC_STATUS_ERR_UNKNOWN_COMMAND);
+ goto out;
+ }
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_DETACH, cmd, 0, 0);
+
+ /* Send the user mode notify to notify that client is detached */
+ client->mode |= SILC_UMODE_DETACHED;
+ client->data.status &= ~SILC_IDLIST_STATUS_RESUMED;
+ if (!server->standalone)
+ silc_server_send_notify_umode(server, server->router->connection,
+ server->server_type == SILC_SERVER ?
+ FALSE : TRUE, client->id, client->mode);
+
+ q = silc_calloc(1, sizeof(*q));
+ q->server = server;
+ q->sock = cmd->sock;
+ silc_schedule_task_add(server->schedule, 0, silc_server_command_detach_cb,
+ q, 0, 200000, SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
+
+ if (server->config->detach_timeout) {
+ q = silc_calloc(1, sizeof(*q));
+ q->server = server;
+ q->sock = (void *)client;
+ silc_schedule_task_add(server->schedule, 0,
+ silc_server_command_detach_timeout,
+ q, server->config->detach_timeout * 60,
+ 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
+ }
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_DETACH,
+ SILC_STATUS_OK);
+
+ out:
+ silc_server_command_free(cmd);
+}
+
/* Server side of SILCOPER command. Client uses this comand to obtain router
operator privileges to this router. */
channel = silc_idlist_find_channel_by_name(server->local_list,
channel_name, NULL);
- if (!channel || channel->disabled) {
+ if (!channel || channel->disabled || !channel->users_resolved) {
if (server->server_type != SILC_ROUTER && !server->standalone &&
!cmd->pending) {
SilcBuffer tmpbuf;
}
/* If the channel is private or secret do not send anything, unless the
- user requesting this command is on the channel. */
+ user requesting this command is on the channel or is server */
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT) {
if (channel->mode & (SILC_CHANNEL_MODE_PRIVATE | SILC_CHANNEL_MODE_SECRET)
&& !silc_server_client_on_channel(cmd->sock->user_data, channel,
NULL)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
- goto out;
- }
- } else {
- if (channel->mode &
- (SILC_CHANNEL_MODE_PRIVATE | SILC_CHANNEL_MODE_SECRET)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL);
goto out;
}
}
client_id, TRUE, NULL);
if ((!client && !cmd->pending && !server->standalone) ||
- (client && !client->connection && !cmd->pending) ||
+ (client && !client->connection && !cmd->pending &&
+ !(client->mode & SILC_UMODE_DETACHED)) ||
(client && !client->data.public_key && !cmd->pending)) {
SilcBuffer tmpbuf;
SilcUInt16 old_ident;
projects / silc.git / blobdiff