command.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+ the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
static void
silc_server_command_send_status_reply(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status);
+ SilcStatus status,
+ SilcStatus error);
static void
silc_server_command_send_status_data(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status,
- uint32 arg_type,
+ SilcStatus status,
+ SilcStatus error,
+ SilcUInt32 arg_type,
const unsigned char *arg,
- uint32 arg_len);
+ SilcUInt32 arg_len);
static bool
silc_server_command_pending_error_check(SilcServerCommandContext cmd,
SilcServerCommandReplyContext cmdr,
SILC_SERVER_CMD(quit, QUIT, SILC_CF_LAG | SILC_CF_REG),
SILC_SERVER_CMD(kill, KILL, SILC_CF_LAG_STRICT | SILC_CF_REG | SILC_CF_OPER),
SILC_SERVER_CMD(info, INFO, SILC_CF_LAG | SILC_CF_REG),
- SILC_SERVER_CMD(connect, CONNECT,
- SILC_CF_LAG | SILC_CF_REG | SILC_CF_OPER),
+ SILC_SERVER_CMD(stats, STATS, SILC_CF_LAG | SILC_CF_REG),
SILC_SERVER_CMD(ping, PING, SILC_CF_LAG | SILC_CF_REG),
SILC_SERVER_CMD(oper, OPER, SILC_CF_LAG | SILC_CF_REG | SILC_CF_OPER),
SILC_SERVER_CMD(join, JOIN, SILC_CF_LAG_STRICT | SILC_CF_REG),
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(close, CLOSE,
- SILC_CF_LAG | SILC_CF_REG | SILC_CF_OPER),
- SILC_SERVER_CMD(shutdown, SHUTDOWN, SILC_CF_LAG | SILC_CF_REG |
- SILC_CF_OPER),
+ SILC_SERVER_CMD(detach, DETACH, SILC_CF_LAG_STRICT | SILC_CF_REG),
+ SILC_SERVER_CMD(watch, WATCH, SILC_CF_LAG | 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),
SILC_SERVER_CMD(users, USERS, SILC_CF_LAG | SILC_CF_REG),
SILC_SERVER_CMD(getkey, GETKEY, SILC_CF_LAG | SILC_CF_REG),
+ SILC_SERVER_CMD(connect, PRIV_CONNECT,
+ SILC_CF_LAG | SILC_CF_REG | SILC_CF_OPER),
+ SILC_SERVER_CMD(close, PRIV_CLOSE,
+ SILC_CF_LAG | SILC_CF_REG | SILC_CF_OPER),
+ SILC_SERVER_CMD(shutdown, PRIV_SHUTDOWN, SILC_CF_LAG | SILC_CF_REG |
+ SILC_CF_OPER),
+
{ NULL, 0 },
};
It also checks that the requested command includes correct amount
of arguments. */
-#define SILC_SERVER_COMMAND_CHECK(command, context, min, max) \
-do { \
- uint32 _argc; \
- \
- SILC_LOG_DEBUG(("Start")); \
- \
- if (silc_server_command_pending_error_check(cmd, context2, command)) { \
- silc_server_command_free(cmd); \
- return; \
- } \
- \
- _argc = silc_argument_get_arg_num(cmd->args); \
- if (_argc < min) { \
- silc_server_command_send_status_reply(cmd, command, \
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS); \
- silc_server_command_free(cmd); \
- return; \
- } \
- if (_argc > max) { \
- silc_server_command_send_status_reply(cmd, command, \
- SILC_STATUS_ERR_TOO_MANY_PARAMS); \
- silc_server_command_free(cmd); \
- return; \
- } \
+#define SILC_SERVER_COMMAND_CHECK(command, context, min, max) \
+do { \
+ SilcUInt32 _argc; \
+ \
+ if (silc_server_command_pending_error_check(cmd, context2, command)) { \
+ SILC_LOG_DEBUG(("Error occurred in command reply, command not called")); \
+ silc_server_command_free(cmd); \
+ return; \
+ } \
+ \
+ _argc = silc_argument_get_arg_num(cmd->args); \
+ if (_argc < min) { \
+ SILC_LOG_DEBUG(("Not enough parameters in command")); \
+ silc_server_command_send_status_reply(cmd, command, \
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, \
+ 0); \
+ silc_server_command_free(cmd); \
+ return; \
+ } \
+ if (_argc > max) { \
+ SILC_LOG_DEBUG(("Too many parameters in command")); \
+ silc_server_command_send_status_reply(cmd, command, \
+ SILC_STATUS_ERR_TOO_MANY_PARAMS, \
+ 0); \
+ silc_server_command_free(cmd); \
+ return; \
+ } \
} while(0)
/* Returns TRUE if the connection is registered. Unregistered connections
return TRUE;
silc_server_command_send_status_reply(cmd, command,
- SILC_STATUS_ERR_NOT_REGISTERED);
- silc_server_command_free(cmd);
+ SILC_STATUS_ERR_NOT_REGISTERED, 0);
return FALSE;
}
SilcServerCommandTimeout timeout = (SilcServerCommandTimeout)context;
SilcClientEntry client = (SilcClientEntry)timeout->ctx->sock->user_data;
+ if (!client) {
+ SILC_LOG_DEBUG(("Client entry is invalid"));
+ silc_server_command_free(timeout->ctx);
+ silc_free(timeout);
+ }
+
/* Update access time */
client->last_command = time(NULL);
- if (!(timeout->cmd->flags & SILC_CF_REG))
+ if (!(timeout->cmd->flags & SILC_CF_REG)) {
+ SILC_LOG_DEBUG(("Calling %s command",
+ silc_get_command_name(timeout->cmd->cmd)));
timeout->cmd->cb(timeout->ctx, NULL);
- else if (silc_server_is_registered(timeout->ctx->server,
- timeout->ctx->sock,
- timeout->ctx,
- timeout->cmd->cmd))
+ } else if (silc_server_is_registered(timeout->ctx->server,
+ timeout->ctx->sock,
+ timeout->ctx,
+ timeout->cmd->cmd)) {
+ SILC_LOG_DEBUG(("Calling %s command",
+ silc_get_command_name(timeout->cmd->cmd)));
timeout->cmd->cb(timeout->ctx, NULL);
+ } else {
+ SILC_LOG_DEBUG(("Client is not registered"));
+ silc_server_command_free(timeout->ctx);
+ }
silc_free(timeout);
}
packet->buffer->len);
if (!ctx->payload) {
SILC_LOG_ERROR(("Bad command payload, packet dropped"));
- silc_buffer_free(packet->buffer);
silc_packet_context_free(packet);
silc_socket_free(ctx->sock);
silc_free(ctx);
if (cmd->cmd == command)
break;
- if (cmd == NULL) {
+ if (!cmd || !cmd->cb) {
+ SILC_LOG_DEBUG(("Unknown command %d", command));
silc_server_command_send_status_reply(ctx, command,
- SILC_STATUS_ERR_UNKNOWN_COMMAND);
+ SILC_STATUS_ERR_UNKNOWN_COMMAND, 0);
silc_server_command_free(ctx);
return;
}
seconds. */
if (sock->type == SILC_SOCKET_TYPE_CLIENT) {
SilcClientEntry client = (SilcClientEntry)sock->user_data;
- SilcServerCommandTimeout timeout = silc_calloc(1, sizeof(*timeout));
+ SilcServerCommandTimeout timeout;
int fast;
+ if (!client) {
+ SILC_LOG_DEBUG(("Client entry is invalid"));
+ silc_server_command_free(ctx);
+ }
+
+ timeout = silc_calloc(1, sizeof(*timeout));
timeout->ctx = ctx;
timeout->cmd = cmd;
client->fast_command++;
fast = FALSE;
} else {
- client->fast_command = ((client->fast_command - 1) <= 0 ? 0 :
- client->fast_command--);
+ if (client->fast_command - 2 <= 0)
+ client->fast_command = 0;
+ else
+ client->fast_command -= 2;
fast = TRUE;
}
if (!fast && ((cmd->flags & SILC_CF_LAG_STRICT) ||
(client->fast_command > 5 && cmd->flags & SILC_CF_LAG)))
silc_schedule_task_add(server->schedule, sock->sock,
- silc_server_command_process_timeout,
- (void *)timeout,
- 2 - (time(NULL) - client->last_command), 0,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
+ silc_server_command_process_timeout, timeout,
+ (client->fast_command < 3 ? 0 :
+ 2 - (time(NULL) - client->last_command)),
+ (client->fast_command < 3 ? 200000 : 0),
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
else
silc_schedule_task_add(server->schedule, sock->sock,
- silc_server_command_process_timeout,
- (void *)timeout,
- 0, 1,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
+ silc_server_command_process_timeout, timeout,
+ 0, 1, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
return;
}
/* Execute for server */
- if (!(cmd->flags & SILC_CF_REG))
+ if (!(cmd->flags & SILC_CF_REG)) {
+ SILC_LOG_DEBUG(("Calling %s command", silc_get_command_name(cmd->cmd)));
cmd->cb(ctx, NULL);
- else if (silc_server_is_registered(server, sock, ctx, cmd->cmd))
+ } else if (silc_server_is_registered(server, sock, ctx, cmd->cmd)) {
+ SILC_LOG_DEBUG(("Calling %s command", silc_get_command_name(cmd->cmd)));
cmd->cb(ctx, NULL);
+ } else {
+ SILC_LOG_DEBUG(("Server is not registered"));
+ silc_server_command_free(ctx);
+ }
}
/* Allocate Command Context */
return ctx;
}
+/* Timeout for pending command. If reply to pending command never arrives
+ this is called to free resources. */
+
+SILC_TASK_CALLBACK(silc_server_command_pending_timeout)
+{
+ SilcServer server = app_context;
+ SilcServerCommandPending *reply = context;
+ SilcServerCommandReplyContext cmdr;
+ SilcBuffer tmpreply;
+ int i;
+
+ SILC_LOG_DEBUG(("Timeout pending command"));
+
+ /* Allocate temporary and bogus command reply context */
+ cmdr = silc_calloc(1, sizeof(*cmdr));
+ cmdr->server = server;
+ cmdr->ident = reply->ident;
+
+ /* Check for pending commands and mark to be exeucted */
+ cmdr->callbacks =
+ silc_server_command_pending_check(server, reply->reply_cmd,
+ reply->ident, &cmdr->callbacks_count);
+
+ /* Create bogus command reply with an error inside */
+ tmpreply =
+ silc_command_reply_payload_encode_va(reply->reply_cmd ? reply->reply_cmd :
+ SILC_COMMAND_RESERVED,
+ SILC_STATUS_ERR_TIMEDOUT, 0,
+ reply->ident, 0);
+ cmdr->payload = silc_command_payload_parse(tmpreply->data, tmpreply->len);
+ silc_buffer_free(tmpreply);
+
+ /* Call all callbacks. Same as SILC_SERVER_PENDING_EXEC macro. */
+ for (i = 0; i < cmdr->callbacks_count; i++)
+ if (cmdr->callbacks[i].callback)
+ (*cmdr->callbacks[i].callback)(cmdr->callbacks[i].context, cmdr);
+
+ silc_server_command_pending_del(server, reply->reply_cmd, reply->ident);
+ silc_server_command_reply_free(cmdr);
+}
+
/* Add new pending command to be executed when reply to a command has been
received. The `reply_cmd' is the command that will call the `callback'
with `context' when reply has been received. It can be SILC_COMMAND_NONE
bool silc_server_command_pending(SilcServer server,
SilcCommand reply_cmd,
- uint16 ident,
+ SilcUInt16 ident,
SilcCommandCb callback,
void *context)
+{
+ return silc_server_command_pending_timed(server, reply_cmd, ident, callback,
+ context, 0);
+}
+
+/* Same as silc_server_command_pending with specific timeout for pending
+ commands. If the `timeout' is zero default timeout is used. */
+
+bool silc_server_command_pending_timed(SilcServer server,
+ SilcCommand reply_cmd,
+ SilcUInt16 ident,
+ SilcCommandCb callback,
+ void *context,
+ SilcUInt16 timeout)
{
SilcServerCommandPending *reply;
reply->ident = ident;
reply->context = context;
reply->callback = callback;
+ reply->timeout =
+ silc_schedule_task_add(server->schedule, 0,
+ silc_server_command_pending_timeout, reply,
+ timeout ? timeout : 10, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
silc_dlist_add(server->pending_commands, reply);
return TRUE;
void silc_server_command_pending_del(SilcServer server,
SilcCommand reply_cmd,
- uint16 ident)
+ SilcUInt16 ident)
{
SilcServerCommandPending *r;
silc_dlist_start(server->pending_commands);
while ((r = silc_dlist_get(server->pending_commands)) != SILC_LIST_END) {
- if (r->reply_cmd == reply_cmd && r->ident == ident) {
+ if ((r->reply_cmd == reply_cmd || (r->reply_cmd == SILC_COMMAND_NONE &&
+ r->reply_check))
+ && r->ident == ident) {
silc_dlist_del(server->pending_commands, r);
- break;
+ if (r->timeout)
+ silc_schedule_task_del(server->schedule, r->timeout);
+ silc_free(r);
}
}
}
SilcServerCommandPendingCallbacks
silc_server_command_pending_check(SilcServer server,
- SilcServerCommandReplyContext ctx,
SilcCommand command,
- uint16 ident,
- uint32 *callbacks_count)
+ SilcUInt16 ident,
+ SilcUInt32 *callbacks_count)
{
SilcServerCommandPending *r;
SilcServerCommandPendingCallbacks callbacks = NULL;
callbacks = silc_realloc(callbacks, sizeof(*callbacks) * (i + 1));
callbacks[i].context = r->context;
callbacks[i].callback = r->callback;
- ctx->ident = ident;
+ r->reply_check = TRUE;
i++;
}
}
static void
silc_server_command_send_status_reply(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status)
+ SilcStatus status,
+ SilcStatus error)
{
SilcBuffer buffer;
SILC_LOG_DEBUG(("Sending command status %d", status));
buffer =
- silc_command_reply_payload_encode_va(command, status,
+ silc_command_reply_payload_encode_va(command, status, error,
silc_command_get_ident(cmd->payload),
0);
silc_server_packet_send(cmd->server, cmd->sock,
static void
silc_server_command_send_status_data(SilcServerCommandContext cmd,
SilcCommand command,
- SilcCommandStatus status,
- uint32 arg_type,
+ SilcStatus status,
+ SilcStatus error,
+ SilcUInt32 arg_type,
const unsigned char *arg,
- uint32 arg_len)
+ SilcUInt32 arg_len)
{
SilcBuffer buffer;
SILC_LOG_DEBUG(("Sending command status %d", status));
buffer =
- silc_command_reply_payload_encode_va(command, status,
+ silc_command_reply_payload_encode_va(command, status, 0,
silc_command_get_ident(cmd->payload),
1, arg_type, arg, arg_len);
silc_server_packet_send(cmd->server, cmd->sock,
SilcServerCommandReplyContext cmdr,
SilcCommand command)
{
- SilcCommandStatus status;
-
if (!cmd->pending || !cmdr)
return FALSE;
- SILC_GET16_MSB(status, silc_argument_get_arg_type(cmdr->args, 1, NULL));
- if (status != SILC_STATUS_OK &&
- status != SILC_STATUS_LIST_START &&
- status != SILC_STATUS_LIST_ITEM &&
- status != SILC_STATUS_LIST_END) {
+ if (!silc_command_get_status(cmdr->payload, NULL, NULL)) {
SilcBuffer buffer;
/* Send the same command reply payload */
+ silc_command_set_command(cmdr->payload, silc_command_get(cmd->payload));
silc_command_set_ident(cmdr->payload,
silc_command_get_ident(cmd->payload));
buffer = silc_command_payload_encode_payload(cmdr->payload);
return FALSE;
}
-/******************************************************************************
+/* Server side of command WHOIS. */
- WHOIS Functions
+SILC_SERVER_CMD_FUNC(whois)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_WHOIS, cmd, 1, 256);
+ silc_server_query_command(cmd->server, SILC_COMMAND_WHOIS, cmd);
+ silc_server_command_free(cmd);
+}
-******************************************************************************/
+/* Server side of command WHOWAS. */
-static int
-silc_server_command_whois_parse(SilcServerCommandContext cmd,
- SilcClientID ***client_id,
- uint32 *client_id_count,
- char **nickname,
- char **server_name,
- int *count,
- SilcCommand command)
+SILC_SERVER_CMD_FUNC(whowas)
{
- unsigned char *tmp;
- uint32 len;
- uint32 argc = silc_argument_get_arg_num(cmd->args);
- int i, k;
-
- /* If client ID is in the command it must be used instead of nickname */
- tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
- if (!tmp) {
- /* No ID, get the nickname@server string and parse it. */
- tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
- if (tmp) {
- silc_parse_userfqdn(tmp, nickname, server_name);
- } else {
- silc_server_command_send_status_reply(cmd, command,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return FALSE;
- }
- } else {
- /* Command includes ID, we must use that. Also check whether the command
- has more than one ID set - take them all. */
-
- *client_id = silc_calloc(1, sizeof(**client_id));
- (*client_id)[0] = silc_id_payload_parse_id(tmp, len);
- if ((*client_id)[0] == NULL) {
- silc_free(*client_id);
- silc_server_command_send_status_reply(cmd, command,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return FALSE;
- }
- *client_id_count = 1;
-
- /* Take all ID's from the command packet */
- if (argc > 1) {
- for (k = 1, i = 1; i < argc; i++) {
- tmp = silc_argument_get_arg_type(cmd->args, i + 3, &len);
- if (tmp) {
- *client_id = silc_realloc(*client_id, sizeof(**client_id) *
- (*client_id_count + 1));
- (*client_id)[k] = silc_id_payload_parse_id(tmp, len);
- if ((*client_id)[k] == NULL) {
- /* Cleanup all and fail */
- for (i = 0; i < *client_id_count; i++)
- silc_free((*client_id)[i]);
- silc_free(*client_id);
- silc_server_command_send_status_reply(
- cmd, command,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return FALSE;
- }
- (*client_id_count)++;
- k++;
- }
- }
- }
- }
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_WHOWAS, cmd, 1, 2);
+ silc_server_query_command(cmd->server, SILC_COMMAND_WHOWAS, cmd);
+ silc_server_command_free(cmd);
+}
- /* Get the max count of reply messages allowed */
- tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
- *count = 0;
+/* Server side of command IDENTIFY. */
- return TRUE;
+SILC_SERVER_CMD_FUNC(identify)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_IDENTIFY, cmd, 1, 256);
+ silc_server_query_command(cmd->server, SILC_COMMAND_IDENTIFY, cmd);
+ silc_server_command_free(cmd);
}
-/* Resolve context used by both WHOIS and IDENTIFY commands */
-typedef struct {
- SilcServerEntry router;
- uint16 ident;
- unsigned char **res_argv;
- uint32 *res_argv_lens;
- uint32 *res_argv_types;
- uint32 res_argc;
-} *SilcServerResolveContext;
+/* Server side of command NICK. Sets nickname for user. Setting
+ nickname causes generation of a new client ID for the client. The
+ new client ID is sent to the client after changing the nickname. */
-static bool
-silc_server_command_whois_check(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count)
+SILC_SERVER_CMD_FUNC(nick)
{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
SilcServer server = cmd->server;
- SilcClientEntry entry;
- SilcServerResolveContext resolve = NULL, r = NULL;
- uint32 resolve_count = 0;
- int i, k;
- bool no_res = TRUE;
+ SilcBuffer packet, nidp, oidp = NULL;
+ SilcClientID *new_id;
+ SilcUInt32 nick_len;
+ char *nick;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ int nickfail = 0;
- for (i = 0; i < clients_count; i++) {
- entry = clients[i];
- if (!entry)
- continue;
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_NICK, cmd, 1, 1);
+
+ /* Check nickname */
+ nick = silc_argument_get_arg_type(cmd->args, 1, &nick_len);
+ if (!nick) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_NICK,
+ SILC_STATUS_ERR_BAD_NICKNAME, 0);
+ goto out;
+ }
+ if (nick_len > 128)
+ nick[128] = '\0';
+ if (silc_server_name_bad_chars(nick, nick_len) == TRUE) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_NICK,
+ SILC_STATUS_ERR_BAD_NICKNAME, 0);
+ goto out;
+ }
+
+ /* Check for same nickname */
+ if (!strcmp(client->nickname, nick)) {
+ nidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+ goto send_reply;
+ }
- if ((entry->nickname && entry->username && entry->userinfo) ||
- !(entry->data.status & SILC_IDLIST_STATUS_REGISTERED)) {
- if (!entry->router)
- continue;
-
- /* If we are normal server, and we've not resolved this client from
- router and it is global client, we'll check whether it is on some
- channel. If not then we cannot be sure about its validity, and
- we'll resolve it from router. */
- if (cmd->server->server_type != SILC_SERVER || cmd->pending ||
- entry->connection || silc_hash_table_count(entry->channels))
- continue;
+ /* Create new Client ID */
+ while (!silc_id_create_client_id(cmd->server, cmd->server->id,
+ cmd->server->rng,
+ 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, 0);
+ goto out;
}
+ snprintf(&nick[strlen(nick) - 1], 1, "%d", nickfail);
+ }
- /* We need to resolve this entry since it is not complete */
+ /* Send notify about nickname change to our router. We send the new
+ ID and ask to replace it with the old one. If we are router the
+ packet is broadcasted. Send NICK_CHANGE notify. */
+ silc_server_send_notify_nick_change(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), client->id,
+ new_id, nick);
- if (!cmd->pending && entry->data.status & SILC_IDLIST_STATUS_RESOLVING) {
- /* The entry is being resolved (and we are not the resolver) so attach
- to the command reply and we're done with this one. */
- silc_server_command_pending(server, SILC_COMMAND_NONE,
- entry->resolve_cmd_ident,
- silc_server_command_whois,
- silc_server_command_dup(cmd));
- no_res = FALSE;
- } else {
- if (entry->data.status & SILC_IDLIST_STATUS_RESOLVING) {
- /* We've resolved this and it still is not ready. We'll return
- and are that this will be handled again after it is resolved. */
- for (i = 0; i < resolve_count; i++) {
- for (k = 0; k < r->res_argc; k++)
- silc_free(r->res_argv[k]);
- silc_free(r->res_argv);
- silc_free(r->res_argv_lens);
- silc_free(r->res_argv_types);
- }
- silc_free(resolve);
- return FALSE;
- } else {
- /* We'll resolve this client */
- SilcBuffer idp;
+ /* Check if anyone is watching the old nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, nick,
+ SILC_NOTIFY_TYPE_NICK_CHANGE);
- r = NULL;
- for (k = 0; k < resolve_count; k++) {
- if (resolve[k].router == entry->router) {
- r = &resolve[k];
- break;
- }
- }
+ oidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- if (!r) {
- resolve = silc_realloc(resolve, sizeof(*resolve) *
- (resolve_count + 1));
- r = &resolve[resolve_count];
- memset(r, 0, sizeof(*r));
- r->router = entry->router;
- r->ident = ++server->cmd_ident;
- resolve_count++;
- }
+ /* Remove old cache entry */
+ silc_idcache_del_by_context(server->local_list->clients, client);
- r->res_argv = silc_realloc(r->res_argv, sizeof(*r->res_argv) *
- (r->res_argc + 1));
- r->res_argv_lens = silc_realloc(r->res_argv_lens,
- sizeof(*r->res_argv_lens) *
- (r->res_argc + 1));
- r->res_argv_types = silc_realloc(r->res_argv_types,
- sizeof(*r->res_argv_types) *
- (r->res_argc + 1));
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
- r->res_argv[r->res_argc] = silc_calloc(idp->len,
- sizeof(**r->res_argv));
- memcpy(r->res_argv[r->res_argc], idp->data, idp->len);
- r->res_argv_lens[r->res_argc] = idp->len;
- r->res_argv_types[r->res_argc] = r->res_argc + 3;
- r->res_argc++;
- silc_buffer_free(idp);
-
- entry->resolve_cmd_ident = r->ident;
- entry->data.status |= SILC_IDLIST_STATUS_RESOLVING;
- entry->data.status &= ~SILC_IDLIST_STATUS_RESOLVED;
- }
- }
- }
+ silc_free(client->id);
+ client->id = new_id;
- /* Do the resolving */
- for (i = 0; i < resolve_count; i++) {
- SilcBuffer res_cmd;
+ silc_free(client->nickname);
+ client->nickname = strdup(nick);
- r = &resolve[i];
+ /* Update client cache */
+ silc_idcache_add(server->local_list->clients, client->nickname,
+ client->id, (void *)client, 0, NULL);
- /* Send WHOIS request. We send WHOIS since we're doing the requesting
- now anyway so make it a good one. */
- res_cmd = silc_command_payload_encode(SILC_COMMAND_WHOIS,
- r->res_argc, r->res_argv,
- r->res_argv_lens,
- r->res_argv_types,
- r->ident);
- silc_server_packet_send(server, r->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- res_cmd->data, res_cmd->len, FALSE);
+ nidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- /* Reprocess this packet after received reply */
- silc_server_command_pending(server, SILC_COMMAND_WHOIS,
- r->ident,
- silc_server_command_whois,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
+ /* Send NICK_CHANGE notify to the client's channels */
+ silc_server_send_notify_on_channels(server, NULL, client,
+ SILC_NOTIFY_TYPE_NICK_CHANGE, 3,
+ oidp->data, oidp->len,
+ nidp->data, nidp->len,
+ client->nickname,
+ strlen(client->nickname));
- silc_buffer_free(res_cmd);
- for (k = 0; k < r->res_argc; k++)
- silc_free(r->res_argv[k]);
- silc_free(r->res_argv);
- silc_free(r->res_argv_lens);
- silc_free(r->res_argv_types);
- no_res = FALSE;
- }
- silc_free(resolve);
+ /* Check if anyone is watching the new nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_NICK_CHANGE);
+
+ send_reply:
+ /* Send the new Client ID as reply command back to client */
+ packet = silc_command_reply_payload_encode_va(SILC_COMMAND_NICK,
+ SILC_STATUS_OK, 0, ident, 2,
+ 2, nidp->data, nidp->len,
+ 3, nick, strlen(nick));
+ silc_server_packet_send(cmd->server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
+ 0, packet->data, packet->len, FALSE);
- return no_res;
+ silc_buffer_free(packet);
+ silc_buffer_free(nidp);
+ if (oidp)
+ silc_buffer_free(oidp);
+
+ out:
+ silc_server_command_free(cmd);
}
+/* Sends the LIST command reply */
+
static void
-silc_server_command_whois_send_reply(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count,
- int count,
- const char *nickname,
- SilcClientID **client_ids)
+silc_server_command_list_send_reply(SilcServerCommandContext cmd,
+ SilcChannelEntry *lch,
+ SilcUInt32 lch_count,
+ SilcChannelEntry *gch,
+ SilcUInt32 gch_count)
{
- SilcServer server = cmd->server;
- char *tmp;
- int i, k, len, valid_count;
- SilcBuffer packet, idp, channels;
- SilcClientEntry entry;
- SilcCommandStatus status;
- uint16 ident = silc_command_get_ident(cmd->payload);
- char nh[256], uh[256];
- unsigned char idle[4], mode[4];
- unsigned char *fingerprint;
- SilcSocketConnection hsock;
-
- /* Process only valid clients and ignore those that are not registered. */
- valid_count = 0;
- for (i = 0; i < clients_count; i++) {
- if (clients[i]->data.status & SILC_IDLIST_STATUS_REGISTERED)
- valid_count++;
+ int i, k;
+ SilcBuffer packet, idp;
+ SilcChannelEntry entry;
+ SilcStatus status;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ char *topic;
+ unsigned char usercount[4];
+ SilcUInt32 users;
+ int valid_lcount = 0, valid_rcount = 0;
+
+ for (i = 0; i < lch_count; i++) {
+ if (lch[i]->mode & SILC_CHANNEL_MODE_SECRET)
+ lch[i] = NULL;
else
- clients[i] = NULL;
- }
-
- if (!valid_count) {
- /* No valid clients found, send error reply */
- if (nickname) {
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOIS,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, nickname, strlen(nickname));
- } else if (client_ids && client_ids[0]) {
- SilcBuffer idp = silc_id_payload_encode(client_ids[0], SILC_ID_CLIENT);
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOIS,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
- 2, idp->data, idp->len);
- silc_buffer_free(idp);
- }
- return;
+ valid_lcount++;
+ }
+ for (i = 0; i < gch_count; i++) {
+ if (gch[i]->mode & SILC_CHANNEL_MODE_SECRET)
+ gch[i] = NULL;
+ else
+ valid_rcount++;
}
- /* Start processing found clients. */
- if (valid_count > 1)
+ status = SILC_STATUS_OK;
+ if ((lch_count + gch_count) > 1)
status = SILC_STATUS_LIST_START;
- else
- status = SILC_STATUS_OK;
- for (i = 0, k = 0; i < clients_count; i++) {
- entry = clients[i];
+ /* Local list */
+ for (i = 0, k = 0; i < lch_count; i++) {
+ entry = lch[i];
if (!entry)
continue;
if (k >= 1)
status = SILC_STATUS_LIST_ITEM;
- if (valid_count > 1 && k == valid_count - 1)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 == count)
+ if (valid_lcount > 1 && k == valid_lcount - 1 && !valid_rcount)
status = SILC_STATUS_LIST_END;
- /* Send WHOIS reply */
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
- tmp = silc_argument_get_first_arg(cmd->args, NULL);
-
- memset(uh, 0, sizeof(uh));
- memset(nh, 0, sizeof(nh));
- memset(idle, 0, sizeof(idle));
-
- strncat(nh, entry->nickname, strlen(entry->nickname));
- if (!strchr(entry->nickname, '@')) {
- strncat(nh, "@", 1);
- if (entry->servername) {
- strncat(nh, entry->servername, strlen(entry->servername));
- } else {
- len = entry->router ? strlen(entry->router->server_name) :
- strlen(server->server_name);
- strncat(nh, entry->router ? entry->router->server_name :
- server->server_name, len);
- }
- }
-
- strncat(uh, entry->username, strlen(entry->username));
- if (!strchr(entry->username, '@')) {
- strncat(uh, "@", 1);
- hsock = (SilcSocketConnection)entry->connection;
- len = strlen(hsock->hostname);
- strncat(uh, hsock->hostname, len);
+ idp = silc_id_payload_encode(entry->id, SILC_ID_CHANNEL);
+
+ if (entry->mode & SILC_CHANNEL_MODE_PRIVATE) {
+ topic = "*private*";
+ memset(usercount, 0, sizeof(usercount));
+ } else {
+ topic = entry->topic;
+ users = silc_hash_table_count(entry->user_list);
+ SILC_PUT32_MSB(users, usercount);
}
- channels = silc_server_get_client_channel_list(server, entry);
+ /* Send the reply */
+ packet =
+ silc_command_reply_payload_encode_va(SILC_COMMAND_LIST,
+ status, 0, ident, 4,
+ 2, idp->data, idp->len,
+ 3, entry->channel_name,
+ strlen(entry->channel_name),
+ 4, topic, topic ? strlen(topic) : 0,
+ 5, usercount, 4);
+ silc_server_packet_send(cmd->server, cmd->sock,
+ SILC_PACKET_COMMAND_REPLY, 0, packet->data,
+ packet->len, FALSE);
+ silc_buffer_free(packet);
+ silc_buffer_free(idp);
+ k++;
+ }
- if (entry->data.fingerprint[0] != 0 && entry->data.fingerprint[1] != 0)
- fingerprint = entry->data.fingerprint;
- else
- fingerprint = NULL;
-
- SILC_PUT32_MSB(entry->mode, mode);
+ /* Global list */
+ for (i = 0, k = 0; i < gch_count; i++) {
+ entry = gch[i];
+ if (!entry)
+ continue;
+
+ if (k >= 1)
+ status = SILC_STATUS_LIST_ITEM;
+ if (valid_rcount > 1 && k == valid_rcount - 1)
+ status = SILC_STATUS_LIST_END;
+
+ idp = silc_id_payload_encode(entry->id, SILC_ID_CHANNEL);
- if (entry->connection) {
- SILC_PUT32_MSB((time(NULL) - entry->data.last_receive), idle);
+ if (entry->mode & SILC_CHANNEL_MODE_PRIVATE) {
+ topic = "*private*";
+ memset(usercount, 0, sizeof(usercount));
+ } else {
+ topic = entry->topic;
+ users = entry->user_count;
+ SILC_PUT32_MSB(users, usercount);
}
+ /* Send the reply */
packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_WHOIS,
- status, ident, 8,
+ silc_command_reply_payload_encode_va(SILC_COMMAND_LIST,
+ status, 0, ident, 4,
2, idp->data, idp->len,
- 3, nh, strlen(nh),
- 4, uh, strlen(uh),
- 5, entry->userinfo,
- strlen(entry->userinfo),
- 6, channels ? channels->data : NULL,
- channels ? channels->len : 0,
- 7, mode, 4,
- 8, idle, 4,
- 9, fingerprint,
- fingerprint ? 20 : 0);
-
- silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(idp);
- if (channels)
- silc_buffer_free(channels);
-
- k++;
- }
-}
-
-static void
-silc_server_command_whois_send_router(SilcServerCommandContext cmd)
-{
- SilcServer server = cmd->server;
- SilcBuffer tmpbuf;
- uint16 old_ident;
-
- old_ident = silc_command_get_ident(cmd->payload);
- silc_command_set_ident(cmd->payload, ++server->cmd_ident);
- tmpbuf = silc_command_payload_encode_payload(cmd->payload);
-
- /* Send WHOIS command to our router */
- silc_server_packet_send(server, (SilcSocketConnection)
- server->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- tmpbuf->data, tmpbuf->len, TRUE);
-
- /* Reprocess this packet after received reply from router */
- silc_server_command_pending(server, SILC_COMMAND_WHOIS,
- silc_command_get_ident(cmd->payload),
- silc_server_command_whois,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
- silc_command_set_ident(cmd->payload, old_ident);
- silc_buffer_free(tmpbuf);
-}
-
-static int
-silc_server_command_whois_process(SilcServerCommandContext cmd)
-{
- SilcServer server = cmd->server;
- char *nick = NULL, *server_name = NULL;
- int count = 0;
- SilcClientEntry *clients = NULL, entry;
- SilcClientID **client_id = NULL;
- uint32 client_id_count = 0, clients_count = 0;
- int i, ret = 0;
- bool check_global = FALSE;
-
- /* Parse the whois request */
- if (!silc_server_command_whois_parse(cmd, &client_id, &client_id_count,
- &nick, &server_name, &count,
- SILC_COMMAND_WHOIS))
- return 0;
-
- /* Send the WHOIS request to the router only if it included nickname.
- Since nicknames can be expanded into many clients we need to send it
- to router. If the WHOIS included only client ID's we will check them
- first locally since we just might have them. */
- if (nick && !client_id_count && cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_whois_send_router(cmd);
- ret = -1;
- goto out;
- }
-
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
- check_global = TRUE;
- else if (server->server_type != SILC_SERVER)
- check_global = TRUE;
-
- /* Get all clients matching that ID or nickname from local list */
- if (client_id_count) {
- /* Check all Client ID's received in the command packet */
- for (i = 0; i < client_id_count; i++) {
- entry = silc_idlist_find_client_by_id(server->local_list,
- client_id[i], TRUE, NULL);
- if (!entry && check_global)
- entry = silc_idlist_find_client_by_id(server->global_list,
- client_id[i], TRUE, NULL);
- if (entry) {
- clients = silc_realloc(clients, sizeof(*clients) *
- (clients_count + 1));
- clients[clients_count++] = entry;
- } else {
- /* If we are normal server and did not send the request first to router
- do it now, since we do not have the Client ID information. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_whois_send_router(cmd);
- ret = -1;
- goto out;
- }
- }
- }
- } else {
- /* Find by nickname */
- if (!silc_idlist_get_clients_by_hash(server->local_list,
- nick, server->md5hash,
- &clients, &clients_count))
- silc_idlist_get_clients_by_nickname(server->local_list,
- nick, server_name,
- &clients, &clients_count);
- if (check_global) {
- if (!silc_idlist_get_clients_by_hash(server->global_list,
- nick, server->md5hash,
- &clients, &clients_count))
- silc_idlist_get_clients_by_nickname(server->global_list,
- nick, server_name,
- &clients, &clients_count);
- }
- }
-
- if (!clients) {
- /* If we are normal server and did not send the request first to router
- do it now, since we do not have the information. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_whois_send_router(cmd);
- ret = -1;
- goto out;
- }
-
- /* Such client(s) really does not exist in the SILC network. */
- if (!client_id_count) {
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOIS,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, nick, strlen(nick));
- } else {
- SilcBuffer idp = silc_id_payload_encode(client_id[0], SILC_ID_CLIENT);
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOIS,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
- 2, idp->data, idp->len);
- silc_buffer_free(idp);
- }
- goto out;
- }
-
- /* Router always finds the client entry if it exists in the SILC network.
- However, it might be incomplete entry and does not include all the
- mandatory fields that WHOIS command reply requires. Check for these and
- make query from the server who owns the client if some fields are
- missing. */
- if (!silc_server_command_whois_check(cmd, clients, clients_count)) {
- ret = -1;
- goto out;
- }
-
- /* Send the command reply */
- silc_server_command_whois_send_reply(cmd, clients, clients_count,
- count, nick, client_id);
-
- out:
- if (client_id_count) {
- for (i = 0; i < client_id_count; i++)
- silc_free(client_id[i]);
- silc_free(client_id);
- }
- silc_free(clients);
- silc_free(nick);
- silc_free(server_name);
-
- return ret;
-}
-
-/* Server side of command WHOIS. Processes user's query and sends found
- results as command replies back to the client. */
-
-SILC_SERVER_CMD_FUNC(whois)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- int ret = 0;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_WHOIS, cmd, 1, 3328);
-
- ret = silc_server_command_whois_process(cmd);
- silc_server_command_free(cmd);
-}
-
-/******************************************************************************
-
- WHOWAS Functions
-
-******************************************************************************/
-
-static int
-silc_server_command_whowas_parse(SilcServerCommandContext cmd,
- char **nickname,
- char **server_name,
- int *count)
-{
- unsigned char *tmp;
- uint32 len;
-
- tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
- if (!tmp) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_WHOWAS,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return FALSE;
- }
-
- /* Get the nickname@server string and parse it. */
- silc_parse_userfqdn(tmp, nickname, server_name);
-
- /* Get the max count of reply messages allowed */
- tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
- *count = 0;
-
- return TRUE;
-}
-
-static char
-silc_server_command_whowas_check(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count)
-{
- SilcServer server = cmd->server;
- int i;
- SilcClientEntry entry;
-
- for (i = 0; i < clients_count; i++) {
- entry = clients[i];
-
- if (!entry->nickname || !entry->username) {
- SilcBuffer tmpbuf;
- uint16 old_ident;
-
- if (!entry->router)
- continue;
-
- old_ident = silc_command_get_ident(cmd->payload);
- silc_command_set_ident(cmd->payload, ++server->cmd_ident);
- tmpbuf = silc_command_payload_encode_payload(cmd->payload);
-
- /* Send WHOWAS command */
- silc_server_packet_send(server, entry->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- tmpbuf->data, tmpbuf->len, TRUE);
-
- /* Reprocess this packet after received reply */
- silc_server_command_pending(server, SILC_COMMAND_WHOWAS,
- silc_command_get_ident(cmd->payload),
- silc_server_command_whowas,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
-
- silc_command_set_ident(cmd->payload, old_ident);
-
- silc_buffer_free(tmpbuf);
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-static void
-silc_server_command_whowas_send_reply(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count)
-{
- SilcServer server = cmd->server;
- char *tmp;
- int i, count = 0, len;
- SilcBuffer packet, idp;
- SilcClientEntry entry = NULL;
- SilcCommandStatus status;
- uint16 ident = silc_command_get_ident(cmd->payload);
- char found = FALSE;
- char nh[256], uh[256];
-
- status = SILC_STATUS_OK;
- if (clients_count > 1)
- status = SILC_STATUS_LIST_START;
-
- for (i = 0; i < clients_count; i++) {
- entry = clients[i];
-
- /* We will take only clients that are not valid anymore. They are the
- ones that are not registered anymore but still have a ID. They
- have disconnected us, and thus valid for WHOWAS. */
- if (entry->data.status & SILC_IDLIST_STATUS_REGISTERED || !entry->id)
- continue;
-
- if (count && i - 1 == count)
- break;
-
- found = TRUE;
-
- if (clients_count > 2)
- status = SILC_STATUS_LIST_ITEM;
- if (clients_count > 1 && i == clients_count - 1)
- status = SILC_STATUS_LIST_END;
-
- /* Send WHOWAS reply */
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
- tmp = silc_argument_get_first_arg(cmd->args, NULL);
- memset(uh, 0, sizeof(uh));
- memset(nh, 0, sizeof(nh));
-
- strncat(nh, entry->nickname, strlen(entry->nickname));
- if (!strchr(entry->nickname, '@')) {
- strncat(nh, "@", 1);
- if (entry->servername) {
- strncat(nh, entry->servername, strlen(entry->servername));
- } else {
- len = entry->router ? strlen(entry->router->server_name) :
- strlen(server->server_name);
- strncat(nh, entry->router ? entry->router->server_name :
- server->server_name, len);
- }
- }
-
- strncat(uh, entry->username, strlen(entry->username));
- if (!strchr(entry->username, '@')) {
- strncat(uh, "@", 1);
- strcat(uh, "*private*");
- }
-
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_WHOWAS,
- status, ident, 4,
- 2, idp->data, idp->len,
- 3, nh, strlen(nh),
- 4, uh, strlen(uh),
- 5, entry->userinfo,
- entry->userinfo ?
- strlen(entry->userinfo) : 0);
- silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(idp);
- }
-
- if (found == FALSE && entry)
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOWAS,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, entry->nickname,
- strlen(entry->nickname));
-}
-
-static int
-silc_server_command_whowas_process(SilcServerCommandContext cmd)
-{
- SilcServer server = cmd->server;
- char *nick = NULL, *server_name = NULL;
- int count = 0;
- SilcClientEntry *clients = NULL;
- uint32 clients_count = 0;
- int ret = 0;
- bool check_global = FALSE;
-
- /* Protocol dictates that we must always send the received WHOWAS request
- to our router if we are normal server, so let's do it now unless we
- are standalone. We will not send any replies to the client until we
- have received reply from the router. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- SilcBuffer tmpbuf;
- uint16 old_ident;
-
- old_ident = silc_command_get_ident(cmd->payload);
- silc_command_set_ident(cmd->payload, ++server->cmd_ident);
- tmpbuf = silc_command_payload_encode_payload(cmd->payload);
-
- /* Send WHOWAS command to our router */
- silc_server_packet_send(server, (SilcSocketConnection)
- server->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- tmpbuf->data, tmpbuf->len, TRUE);
-
- /* Reprocess this packet after received reply from router */
- silc_server_command_pending(server, SILC_COMMAND_WHOWAS,
- silc_command_get_ident(cmd->payload),
- silc_server_command_whowas,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
-
- silc_command_set_ident(cmd->payload, old_ident);
-
- silc_buffer_free(tmpbuf);
- ret = -1;
- goto out;
- }
-
- /* We are ready to process the command request. Let's search for the
- requested client and send reply to the requesting client. */
-
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
- check_global = TRUE;
- else if (server->server_type != SILC_SERVER)
- check_global = TRUE;
-
- /* Parse the whowas request */
- if (!silc_server_command_whowas_parse(cmd, &nick, &server_name, &count))
- return 0;
-
- /* Get all clients matching that nickname from local list */
- if (!silc_idlist_get_clients_by_nickname(server->local_list,
- nick, server_name,
- &clients, &clients_count))
- silc_idlist_get_clients_by_hash(server->local_list,
- nick, server->md5hash,
- &clients, &clients_count);
-
- /* Check global list as well */
- if (check_global) {
- if (!silc_idlist_get_clients_by_nickname(server->global_list,
- nick, server_name,
- &clients, &clients_count))
- silc_idlist_get_clients_by_hash(server->global_list,
- nick, server->md5hash,
- &clients, &clients_count);
- }
-
- if (!clients) {
- /* Such a client really does not exist in the SILC network. */
- silc_server_command_send_status_data(cmd, SILC_COMMAND_WHOWAS,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, nick, strlen(nick));
- goto out;
- }
-
- if (!silc_server_command_whowas_check(cmd, clients, clients_count)) {
- ret = -1;
- goto out;
- }
-
- /* Send the command reply to the client */
- silc_server_command_whowas_send_reply(cmd, clients, clients_count);
-
- out:
- silc_free(clients);
- silc_free(nick);
- silc_free(server_name);
- return ret;
-}
-
-/* Server side of command WHOWAS. */
-
-SILC_SERVER_CMD_FUNC(whowas)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- int ret = 0;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_WHOWAS, cmd, 1, 2);
-
- ret = silc_server_command_whowas_process(cmd);
- silc_server_command_free(cmd);
-}
-
-/******************************************************************************
-
- IDENTIFY Functions
-
-******************************************************************************/
-
-static void
-silc_server_command_identify_send_router(SilcServerCommandContext cmd)
-{
- SilcServer server = cmd->server;
- SilcBuffer tmpbuf;
- uint16 old_ident;
-
- old_ident = silc_command_get_ident(cmd->payload);
- silc_command_set_ident(cmd->payload, ++server->cmd_ident);
- tmpbuf = silc_command_payload_encode_payload(cmd->payload);
-
- /* Send IDENTIFY command to our router */
- silc_server_packet_send(server, (SilcSocketConnection)
- server->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- tmpbuf->data, tmpbuf->len, TRUE);
-
- /* Reprocess this packet after received reply from router */
- silc_server_command_pending(server, SILC_COMMAND_IDENTIFY,
- silc_command_get_ident(cmd->payload),
- silc_server_command_identify,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
- silc_command_set_ident(cmd->payload, old_ident);
- silc_buffer_free(tmpbuf);
-}
-
-static int
-silc_server_command_identify_parse(SilcServerCommandContext cmd,
- SilcClientEntry **clients,
- uint32 *clients_count,
- SilcServerEntry **servers,
- uint32 *servers_count,
- SilcChannelEntry **channels,
- uint32 *channels_count,
- uint32 *count)
-{
- SilcServer server = cmd->server;
- unsigned char *tmp;
- uint32 len;
- uint32 argc = silc_argument_get_arg_num(cmd->args);
- SilcIDPayload idp;
- bool check_global = FALSE;
- void *entry;
- int i;
- bool error = FALSE;
-
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
- check_global = TRUE;
- else if (server->server_type != SILC_SERVER)
- check_global = TRUE;
-
- /* If ID Payload is in the command it must be used instead of names */
- tmp = silc_argument_get_arg_type(cmd->args, 5, &len);
- if (!tmp) {
- /* No ID, get the names. */
-
- /* If we are normal server and have not resolved information from
- router yet, do so now. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_identify_send_router(cmd);
- return -1;
- }
-
- /* Try to get nickname@server. */
- tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
- if (tmp) {
- char *nick = NULL;
- char *nick_server = NULL;
-
- silc_parse_userfqdn(tmp, &nick, &nick_server);
-
- if (!silc_idlist_get_clients_by_hash(server->local_list,
- nick, server->md5hash,
- clients, clients_count))
- silc_idlist_get_clients_by_nickname(server->local_list,
- nick, nick_server,
- clients, clients_count);
- if (check_global) {
- if (!silc_idlist_get_clients_by_hash(server->global_list,
- nick, server->md5hash,
- clients, clients_count))
- silc_idlist_get_clients_by_nickname(server->global_list,
- nick, nick_server,
- clients, clients_count);
- }
-
- silc_free(nick);
- silc_free(nick_server);
-
- if (!(*clients)) {
- /* the nickname does not exist, send error reply */
- silc_server_command_send_status_data(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, tmp, strlen(tmp));
- return 0;
- }
- }
-
- /* Try to get server name */
- tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
- if (tmp) {
- entry = silc_idlist_find_server_by_name(server->local_list,
- tmp, TRUE, NULL);
- if (!entry && check_global)
- entry = silc_idlist_find_server_by_name(server->global_list,
- tmp, TRUE, NULL);
- if (entry) {
- *servers = silc_realloc(*servers, sizeof(**servers) *
- (*servers_count + 1));
- (*servers)[(*servers_count)++] = entry;
- }
-
- if (!(*servers)) {
- /* the server does not exist, send error reply */
- silc_server_command_send_status_data(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_SERVER,
- 3, tmp, strlen(tmp));
- return 0;
- }
- }
-
- /* Try to get channel name */
- tmp = silc_argument_get_arg_type(cmd->args, 3, NULL);
- if (tmp) {
- entry = silc_idlist_find_channel_by_name(server->local_list,
- tmp, NULL);
- if (!entry && check_global)
- entry = silc_idlist_find_channel_by_name(server->global_list,
- tmp, NULL);
- if (entry) {
- *channels = silc_realloc(*channels, sizeof(**channels) *
- (*channels_count + 1));
- (*channels)[(*channels_count)++] = entry;
- }
-
- if (!(*channels)) {
- /* The channel does not exist, send error reply */
- silc_server_command_send_status_data(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL,
- 3, tmp, strlen(tmp));
- return 0;
- }
- }
-
- if (!(*clients) && !(*servers) && !(*channels)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return 0;
- }
- } else {
- /* Command includes ID, we must use that. Also check whether the command
- has more than one ID set - take them all. */
-
- /* Take all ID's from the command packet */
- for (i = 0; i < argc; i++) {
- void *id;
-
- tmp = silc_argument_get_arg_type(cmd->args, i + 5, &len);
- if (!tmp)
- continue;
-
- idp = silc_id_payload_parse(tmp, len);
- if (!idp) {
- silc_free(*clients);
- silc_free(*servers);
- silc_free(*channels);
- silc_server_command_send_status_reply(
- cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- return 0;
- }
-
- id = silc_id_payload_get_id(idp);
-
- switch (silc_id_payload_get_type(idp)) {
-
- case SILC_ID_CLIENT:
- entry = (void *)silc_idlist_find_client_by_id(server->local_list,
- id, TRUE, NULL);
- if (!entry && check_global)
- entry = (void *)silc_idlist_find_client_by_id(server->global_list,
- id, TRUE, NULL);
- if (entry) {
- *clients = silc_realloc(*clients, sizeof(**clients) *
- (*clients_count + 1));
- (*clients)[(*clients_count)++] = (SilcClientEntry)entry;
- } else {
- /* If we are normal server and have not resolved information from
- router yet, do so now. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_identify_send_router(cmd);
- silc_free(*clients);
- silc_free(*servers);
- silc_free(*channels);
- return -1;
- } else {
- silc_server_command_send_status_data(
- cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
- 2, tmp, len);
- error = TRUE;
- }
- }
-
- break;
-
- case SILC_ID_SERVER:
- entry = (void *)silc_idlist_find_server_by_id(server->local_list,
- id, TRUE, NULL);
- if (!entry && check_global)
- entry = (void *)silc_idlist_find_server_by_id(server->global_list,
- id, TRUE, NULL);
- if (entry) {
- *servers = silc_realloc(*servers, sizeof(**servers) *
- (*servers_count + 1));
- (*servers)[(*servers_count)++] = (SilcServerEntry)entry;
- } else {
- /* If we are normal server and have not resolved information from
- router yet, do so now. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_identify_send_router(cmd);
- silc_free(*clients);
- silc_free(*servers);
- silc_free(*channels);
- return -1;
- } else {
- silc_server_command_send_status_data(
- cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_SERVER_ID,
- 2, tmp, len);
- error = TRUE;
- }
- }
- break;
-
- case SILC_ID_CHANNEL:
- entry = (void *)silc_idlist_find_channel_by_id(server->local_list,
- id, NULL);
- if (!entry && check_global)
- entry = (void *)silc_idlist_find_channel_by_id(server->global_list,
- id, NULL);
- if (entry) {
- *channels = silc_realloc(*channels, sizeof(**channels) *
- (*channels_count + 1));
- (*channels)[(*channels_count)++] = (SilcChannelEntry)entry;
- } else {
- /* If we are normal server and have not resolved information from
- router yet, do so now. */
- if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT &&
- server->server_type == SILC_SERVER && !cmd->pending &&
- !server->standalone) {
- silc_server_command_identify_send_router(cmd);
- silc_free(*clients);
- silc_free(*servers);
- silc_free(*channels);
- return -1;
- } else {
- silc_server_command_send_status_data(
- cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL_ID,
- 2, tmp, len);
- error = TRUE;
- }
- }
- break;
- }
-
- silc_free(id);
- }
- }
-
- if (error) {
- silc_free(*clients);
- silc_free(*servers);
- silc_free(*channels);
- return FALSE;
- }
-
- /* Get the max count of reply messages allowed */
- tmp = silc_argument_get_arg_type(cmd->args, 4, NULL);
- if (tmp)
- *count = atoi(tmp);
- else
- *count = 0;
-
- return 1;
-}
-
-/* Checks that all mandatory fields in client entry are present. If not
- then send WHOIS request to the server who owns the client. We use
- WHOIS because we want to get as much information as possible at once. */
-
-static bool
-silc_server_command_identify_check_client(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count)
-{
- SilcServer server = cmd->server;
- SilcClientEntry entry;
- SilcServerResolveContext resolve = NULL, r = NULL;
- uint32 resolve_count = 0;
- int i, k;
- bool no_res = TRUE;
-
- for (i = 0; i < clients_count; i++) {
- entry = clients[i];
- if (!entry)
- continue;
-
- if (entry->nickname ||
- !(entry->data.status & SILC_IDLIST_STATUS_REGISTERED)) {
- if (!entry->router)
- continue;
-
- /* If we are normal server, and we've not resolved this client from
- router and it is global client, we'll check whether it is on some
- channel. If not then we cannot be sure about its validity, and
- we'll resolve it from router. */
- if (cmd->server->server_type != SILC_SERVER || cmd->pending ||
- entry->connection || silc_hash_table_count(entry->channels))
- continue;
- }
-
- /* We need to resolve this entry since it is not complete */
-
- if (!cmd->pending && entry->data.status & SILC_IDLIST_STATUS_RESOLVING) {
- /* The entry is being resolved (and we are not the resolver) so attach
- to the command reply and we're done with this one. */
- silc_server_command_pending(server, SILC_COMMAND_NONE,
- entry->resolve_cmd_ident,
- silc_server_command_identify,
- silc_server_command_dup(cmd));
- no_res = FALSE;
- } else {
- if (entry->data.status & SILC_IDLIST_STATUS_RESOLVING) {
- /* We've resolved this and it still is not ready. We'll return
- and are that this will be handled again after it is resolved. */
- for (i = 0; i < resolve_count; i++) {
- for (k = 0; k < r->res_argc; k++)
- silc_free(r->res_argv[k]);
- silc_free(r->res_argv);
- silc_free(r->res_argv_lens);
- silc_free(r->res_argv_types);
- }
- silc_free(resolve);
- return FALSE;
- } else {
- /* We'll resolve this client */
- SilcBuffer idp;
-
- r = NULL;
- for (k = 0; k < resolve_count; k++) {
- if (resolve[k].router == entry->router) {
- r = &resolve[k];
- break;
- }
- }
-
- if (!r) {
- resolve = silc_realloc(resolve, sizeof(*resolve) *
- (resolve_count + 1));
- r = &resolve[resolve_count];
- memset(r, 0, sizeof(*r));
- r->router = entry->router;
- r->ident = ++server->cmd_ident;
- resolve_count++;
- }
-
- r->res_argv = silc_realloc(r->res_argv, sizeof(*r->res_argv) *
- (r->res_argc + 1));
- r->res_argv_lens = silc_realloc(r->res_argv_lens,
- sizeof(*r->res_argv_lens) *
- (r->res_argc + 1));
- r->res_argv_types = silc_realloc(r->res_argv_types,
- sizeof(*r->res_argv_types) *
- (r->res_argc + 1));
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
- r->res_argv[r->res_argc] = silc_calloc(idp->len,
- sizeof(**r->res_argv));
- memcpy(r->res_argv[r->res_argc], idp->data, idp->len);
- r->res_argv_lens[r->res_argc] = idp->len;
- r->res_argv_types[r->res_argc] = r->res_argc + 3;
- r->res_argc++;
- silc_buffer_free(idp);
-
- entry->resolve_cmd_ident = r->ident;
- entry->data.status |= SILC_IDLIST_STATUS_RESOLVING;
- entry->data.status &= ~SILC_IDLIST_STATUS_RESOLVED;
- }
- }
- }
-
- /* Do the resolving */
- for (i = 0; i < resolve_count; i++) {
- SilcBuffer res_cmd;
-
- r = &resolve[i];
-
- /* Send WHOIS request. We send WHOIS since we're doing the requesting
- now anyway so make it a good one. */
- res_cmd = silc_command_payload_encode(SILC_COMMAND_WHOIS,
- r->res_argc, r->res_argv,
- r->res_argv_lens,
- r->res_argv_types,
- r->ident);
- silc_server_packet_send(server, r->router->connection,
- SILC_PACKET_COMMAND, cmd->packet->flags,
- res_cmd->data, res_cmd->len, FALSE);
-
- /* Reprocess this packet after received reply */
- silc_server_command_pending(server, SILC_COMMAND_WHOIS,
- r->ident,
- silc_server_command_identify,
- silc_server_command_dup(cmd));
- cmd->pending = TRUE;
-
- silc_buffer_free(res_cmd);
- for (k = 0; k < r->res_argc; k++)
- silc_free(r->res_argv[k]);
- silc_free(r->res_argv);
- silc_free(r->res_argv_lens);
- silc_free(r->res_argv_types);
- no_res = FALSE;
- }
- silc_free(resolve);
-
- return no_res;
-}
-
-static void
-silc_server_command_identify_send_reply(SilcServerCommandContext cmd,
- SilcClientEntry *clients,
- uint32 clients_count,
- SilcServerEntry *servers,
- uint32 servers_count,
- SilcChannelEntry *channels,
- uint32 channels_count,
- int count)
-{
- SilcServer server = cmd->server;
- int i, k, len, valid_count;
- SilcBuffer packet, idp;
- SilcCommandStatus status;
- uint16 ident = silc_command_get_ident(cmd->payload);
- char nh[256], uh[256];
- SilcSocketConnection hsock;
-
- status = SILC_STATUS_OK;
-
- if (clients) {
- SilcClientEntry entry;
-
- /* Process only valid entries. */
- valid_count = 0;
- for (i = 0; i < clients_count; i++) {
- if (clients[i]->data.status & SILC_IDLIST_STATUS_REGISTERED)
- valid_count++;
- else
- clients[i] = NULL;
- }
-
- if (!valid_count) {
- /* No valid entries found at all, just send error */
- unsigned char *tmp;
-
- tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
- if (tmp) {
- silc_server_command_send_status_data(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_NICK,
- 3, tmp, strlen(tmp));
- } else {
- tmp = silc_argument_get_arg_type(cmd->args, 5, (uint32 *)&len);
- silc_server_command_send_status_data(cmd, SILC_COMMAND_IDENTIFY,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
- 2, tmp, len);
- }
- return;
- }
-
- /* Process all valid client entries and send command replies */
-
- if (valid_count > 1)
- status = SILC_STATUS_LIST_START;
-
- for (i = 0, k = 0; i < clients_count; i++) {
- entry = clients[i];
- if (!entry)
- continue;
-
- if (k >= 1)
- status = SILC_STATUS_LIST_ITEM;
- if (valid_count > 1 && k == valid_count - 1
- && !servers_count && !channels_count)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 == count)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 > count)
- break;
-
- /* Send IDENTIFY reply */
-
- idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
- memset(uh, 0, sizeof(uh));
- memset(nh, 0, sizeof(nh));
- strncat(nh, entry->nickname, strlen(entry->nickname));
- if (!strchr(entry->nickname, '@')) {
- strncat(nh, "@", 1);
- if (entry->servername) {
- strncat(nh, entry->servername, strlen(entry->servername));
- } else {
- len = entry->router ? strlen(entry->router->server_name) :
- strlen(server->server_name);
- strncat(nh, entry->router ? entry->router->server_name :
- server->server_name, len);
- }
- }
-
- if (!entry->username) {
- packet = silc_command_reply_payload_encode_va(SILC_COMMAND_IDENTIFY,
- status, ident, 2,
- 2, idp->data, idp->len,
- 3, nh, strlen(nh));
- } else {
- strncat(uh, entry->username, strlen(entry->username));
- if (!strchr(entry->username, '@')) {
- strncat(uh, "@", 1);
- hsock = (SilcSocketConnection)entry->connection;
- len = strlen(hsock->hostname);
- strncat(uh, hsock->hostname, len);
- }
-
- packet = silc_command_reply_payload_encode_va(SILC_COMMAND_IDENTIFY,
- status, ident, 3,
- 2, idp->data, idp->len,
- 3, nh, strlen(nh),
- 4, uh, strlen(uh));
- }
-
- silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(idp);
-
- k++;
- }
- }
-
- if (servers) {
- SilcServerEntry entry;
-
- if (status == SILC_STATUS_OK && servers_count > 1)
- status = SILC_STATUS_LIST_START;
-
- for (i = 0, k = 0; i < servers_count; i++) {
- entry = servers[i];
-
- if (k >= 1)
- status = SILC_STATUS_LIST_ITEM;
- if (servers_count > 1 && k == servers_count - 1 && !channels_count)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 == count)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 > count)
- break;
-
- /* Send IDENTIFY reply */
- idp = silc_id_payload_encode(entry->id, SILC_ID_SERVER);
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_IDENTIFY,
- status, ident, 2,
- 2, idp->data, idp->len,
- 3, entry->server_name,
- entry->server_name ?
- strlen(entry->server_name) : 0);
- silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(idp);
-
- k++;
- }
- }
-
- if (channels) {
- SilcChannelEntry entry;
-
- if (status == SILC_STATUS_OK && channels_count > 1)
- status = SILC_STATUS_LIST_START;
-
- for (i = 0, k = 0; i < channels_count; i++) {
- entry = channels[i];
-
- if (k >= 1)
- status = SILC_STATUS_LIST_ITEM;
- if (channels_count > 1 && k == channels_count - 1)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 == count)
- status = SILC_STATUS_LIST_END;
- if (count && k - 1 > count)
- break;
-
- /* Send IDENTIFY reply */
- idp = silc_id_payload_encode(entry->id, SILC_ID_CHANNEL);
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_IDENTIFY,
- status, ident, 2,
- 2, idp->data, idp->len,
- 3, entry->channel_name,
- entry->channel_name ?
- strlen(entry->channel_name): 0);
- silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(idp);
-
- k++;
- }
- }
-}
-
-static int
-silc_server_command_identify_process(SilcServerCommandContext cmd)
-{
- uint32 count = 0;
- int ret = 0;
- SilcClientEntry *clients = NULL;
- SilcServerEntry *servers = NULL;
- SilcChannelEntry *channels = NULL;
- uint32 clients_count = 0, servers_count = 0, channels_count = 0;
-
- /* Parse the IDENTIFY request */
- ret = silc_server_command_identify_parse(cmd,
- &clients, &clients_count,
- &servers, &servers_count,
- &channels, &channels_count,
- &count);
- if (ret < 1)
- return ret;
- ret = 0;
-
- /* Check that all mandatory fields are present and request those data
- from the server who owns the client if necessary. */
- if (clients && !silc_server_command_identify_check_client(cmd, clients,
- clients_count)) {
- ret = -1;
- goto out;
- }
-
- /* Send the command reply to the client */
- silc_server_command_identify_send_reply(cmd,
- clients, clients_count,
- servers, servers_count,
- channels, channels_count,
- count);
-
- out:
- silc_free(clients);
- silc_free(servers);
- silc_free(channels);
- return ret;
-}
-
-SILC_SERVER_CMD_FUNC(identify)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- int ret = 0;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_IDENTIFY, cmd, 1, 3328);
-
- ret = silc_server_command_identify_process(cmd);
- silc_server_command_free(cmd);
-}
-
-/* Server side of command NICK. Sets nickname for user. Setting
- nickname causes generation of a new client ID for the client. The
- new client ID is sent to the client after changing the nickname. */
-
-SILC_SERVER_CMD_FUNC(nick)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
- SilcServer server = cmd->server;
- SilcBuffer packet, nidp, oidp = NULL;
- SilcClientID *new_id;
- uint32 nick_len;
- char *nick;
- uint16 ident = silc_command_get_ident(cmd->payload);
- int nickfail = 0;
-
- if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
- goto out;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_NICK, cmd, 1, 1);
-
- /* Check nickname */
- nick = silc_argument_get_arg_type(cmd->args, 1, &nick_len);
- if (nick_len > 128)
- nick[128] = '\0';
- if (silc_server_name_bad_chars(nick, nick_len) == TRUE) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_NICK,
- SILC_STATUS_ERR_BAD_NICKNAME);
- goto out;
- }
-
- /* Check for same nickname */
- if (!strcmp(client->nickname, nick)) {
- nidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- goto send_reply;
- }
-
- /* Create new Client ID */
- while (!silc_id_create_client_id(cmd->server, cmd->server->id,
- cmd->server->rng,
- cmd->server->md5hash, nick,
- &new_id)) {
- nickfail++;
- snprintf(&nick[strlen(nick) - 1], 1, "%d", nickfail);
- }
-
- /* Send notify about nickname change to our router. We send the new
- ID and ask to replace it with the old one. If we are router the
- packet is broadcasted. Send NICK_CHANGE notify. */
- if (!server->standalone)
- silc_server_send_notify_nick_change(server, server->router->connection,
- server->server_type == SILC_SERVER ?
- FALSE : TRUE, client->id,
- new_id);
-
- oidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
-
- /* Remove old cache entry */
- silc_idcache_del_by_context(server->local_list->clients, client);
-
- /* Free old ID */
- silc_free(client->id);
-
- /* Save the nickname as this client is our local client */
- silc_free(client->nickname);
-
- client->nickname = strdup(nick);
- client->id = new_id;
-
- /* Update client cache */
- silc_idcache_add(server->local_list->clients, client->nickname,
- client->id, (void *)client, 0, NULL);
-
- nidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
-
- /* Send NICK_CHANGE notify to the client's channels */
- silc_server_send_notify_on_channels(server, NULL, client,
- SILC_NOTIFY_TYPE_NICK_CHANGE, 2,
- oidp->data, oidp->len,
- nidp->data, nidp->len);
-
- send_reply:
- /* Send the new Client ID as reply command back to client */
- packet = silc_command_reply_payload_encode_va(SILC_COMMAND_NICK,
- SILC_STATUS_OK, ident, 1,
- 2, nidp->data, nidp->len);
- silc_server_packet_send(cmd->server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
- 0, packet->data, packet->len, FALSE);
-
- silc_buffer_free(packet);
- silc_buffer_free(nidp);
- if (oidp)
- silc_buffer_free(oidp);
-
- out:
- silc_server_command_free(cmd);
-}
-
-/* Sends the LIST command reply */
-
-static void
-silc_server_command_list_send_reply(SilcServerCommandContext cmd,
- SilcChannelEntry *lch,
- uint32 lch_count,
- SilcChannelEntry *gch,
- uint32 gch_count)
-{
- int i, k;
- SilcBuffer packet, idp;
- SilcChannelEntry entry;
- SilcCommandStatus status;
- uint16 ident = silc_command_get_ident(cmd->payload);
- char *topic;
- unsigned char usercount[4];
- uint32 users;
- int valid_lcount = 0, valid_rcount = 0;
-
- for (i = 0; i < lch_count; i++) {
- if (lch[i]->mode & SILC_CHANNEL_MODE_SECRET)
- lch[i] = NULL;
- else
- valid_lcount++;
- }
- for (i = 0; i < gch_count; i++) {
- if (gch[i]->mode & SILC_CHANNEL_MODE_SECRET)
- gch[i] = NULL;
- else
- valid_rcount++;
- }
-
- status = SILC_STATUS_OK;
- if ((lch_count + gch_count) > 1)
- status = SILC_STATUS_LIST_START;
-
- /* Local list */
- for (i = 0, k = 0; i < lch_count; i++) {
- entry = lch[i];
- if (!entry)
- continue;
-
- if (k >= 1)
- status = SILC_STATUS_LIST_ITEM;
- if (valid_lcount > 1 && k == valid_lcount - 1 && !valid_rcount)
- status = SILC_STATUS_LIST_END;
-
- idp = silc_id_payload_encode(entry->id, SILC_ID_CHANNEL);
-
- if (entry->mode & SILC_CHANNEL_MODE_PRIVATE) {
- topic = "*private*";
- memset(usercount, 0, sizeof(usercount));
- } else {
- topic = entry->topic;
- users = silc_hash_table_count(entry->user_list);
- SILC_PUT32_MSB(users, usercount);
- }
-
- /* Send the reply */
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_LIST,
- status, ident, 4,
- 2, idp->data, idp->len,
- 3, entry->channel_name,
- strlen(entry->channel_name),
- 4, topic, topic ? strlen(topic) : 0,
- 5, usercount, 4);
- silc_server_packet_send(cmd->server, cmd->sock,
- SILC_PACKET_COMMAND_REPLY, 0, packet->data,
- packet->len, FALSE);
- silc_buffer_free(packet);
- silc_buffer_free(idp);
- k++;
- }
-
- /* Global list */
- for (i = 0, k = 0; i < gch_count; i++) {
- entry = gch[i];
- if (!entry)
- continue;
-
- if (k >= 1)
- status = SILC_STATUS_LIST_ITEM;
- if (valid_rcount > 1 && k == valid_rcount - 1)
- status = SILC_STATUS_LIST_END;
-
- idp = silc_id_payload_encode(entry->id, SILC_ID_CHANNEL);
-
- if (entry->mode & SILC_CHANNEL_MODE_PRIVATE) {
- topic = "*private*";
- memset(usercount, 0, sizeof(usercount));
- } else {
- topic = entry->topic;
- users = silc_hash_table_count(entry->user_list);
- SILC_PUT32_MSB(users, usercount);
- }
-
- /* Send the reply */
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_LIST,
- status, ident, 4,
- 2, idp->data, idp->len,
- 3, entry->channel_name,
- strlen(entry->channel_name),
- 4, topic, topic ? strlen(topic) : 0,
- 5, usercount, 4);
- silc_server_packet_send(cmd->server, cmd->sock,
- SILC_PACKET_COMMAND_REPLY, 0, packet->data,
- packet->len, FALSE);
+ 3, entry->channel_name,
+ strlen(entry->channel_name),
+ 4, topic, topic ? strlen(topic) : 0,
+ 5, usercount, 4);
+ silc_server_packet_send(cmd->server, cmd->sock,
+ SILC_PACKET_COMMAND_REPLY, 0, packet->data,
+ packet->len, FALSE);
silc_buffer_free(packet);
silc_buffer_free(idp);
k++;
SilcServer server = cmd->server;
SilcChannelID *channel_id = NULL;
unsigned char *tmp;
- uint32 tmp_len;
+ SilcUInt32 tmp_len;
SilcChannelEntry *lchannels = NULL, *gchannels = NULL;
- uint32 lch_count = 0, gch_count = 0;
+ SilcUInt32 lch_count = 0, gch_count = 0;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_LIST, cmd, 0, 1);
/* If we are normal server, send the command to router, since we
want to know all channels in the network. */
- if (!cmd->pending && server->server_type == SILC_SERVER &&
+ if (!cmd->pending && server->server_type != SILC_ROUTER &&
!server->standalone) {
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
tmpbuf = silc_command_payload_encode_payload(cmd->payload);
- silc_server_packet_send(server, server->router->connection,
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
/* Get Channel ID */
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (tmp) {
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_LIST,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
}
SilcChannelClientEntry chl;
SilcBuffer packet, idp;
unsigned char *tmp;
- uint32 argc, tmp_len;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt32 argc, tmp_len;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_TOPIC, cmd, 1, 2);
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
if (strlen(tmp) > 256) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
/* See whether the client is on channel and has rights to change topic */
- if (!silc_hash_table_find(channel->user_list, client, NULL,
- (void *)&chl)) {
+ if (!silc_server_client_on_channel(client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL,
+ 0);
goto out;
}
- if (chl->mode == SILC_CHANNEL_UMODE_NONE) {
- if (channel->mode & SILC_CHANNEL_MODE_TOPIC) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
- goto out;
- }
+ if (channel->mode & SILC_CHANNEL_MODE_TOPIC &&
+ !(chl->mode & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(chl->mode & SILC_CHANNEL_UMODE_CHANFO)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV,
+ 0);
+ goto out;
}
- /* Set the topic for channel */
- silc_free(channel->topic);
- channel->topic = strdup(tmp);
+ if (!channel->topic || strcmp(channel->topic, tmp)) {
+ /* Set the topic for channel */
+ silc_free(channel->topic);
+ channel->topic = strdup(tmp);
- /* Send TOPIC_SET notify type to the network */
- if (!server->standalone)
- silc_server_send_notify_topic_set(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
+ /* Send TOPIC_SET notify type to the network */
+ silc_server_send_notify_topic_set(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
client->id, SILC_ID_CLIENT,
channel->topic);
- idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
-
- /* Send notify about topic change to all clients on the channel */
- silc_server_send_notify_to_channel(server, NULL, channel, TRUE,
- SILC_NOTIFY_TYPE_TOPIC_SET, 2,
- idp->data, idp->len,
- channel->topic, strlen(channel->topic));
- silc_buffer_free(idp);
+ /* Send notify about topic change to all clients on the channel */
+ idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+ SILC_NOTIFY_TYPE_TOPIC_SET, 2,
+ idp->data, idp->len,
+ channel->topic,
+ strlen(channel->topic));
+ silc_buffer_free(idp);
+ }
}
/* Send the topic to client as reply packet */
idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_TOPIC,
- SILC_STATUS_OK, ident, 2,
+ SILC_STATUS_OK, 0, ident, 2,
2, idp->data, idp->len,
3, channel->topic,
channel->topic ?
SilcChannelEntry channel;
SilcChannelID *channel_id = NULL;
SilcIDListData idata;
- SilcBuffer idp, idp2, packet;
- unsigned char *tmp, *add, *del;
- uint32 len;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcArgumentPayload args;
+ SilcHashTableList htl;
+ SilcBuffer packet, list, tmp2;
+ unsigned char *tmp;
+ SilcUInt32 len, type;
+ SilcUInt16 argc = 0, ident = silc_command_get_ident(cmd->payload);
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_INVITE, cmd, 1, 4);
tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
- channel_id = silc_id_payload_parse_id(tmp, len);
+ channel_id = silc_id_payload_parse_id(tmp, len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Check whether the sender of this command is on the channel. */
sender = (SilcClientEntry)sock->user_data;
- if (!silc_server_client_on_channel(sender, channel)) {
+ if (!sender || !silc_server_client_on_channel(sender, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
/* Check whether the channel is invite-only channel. If yes then the
sender of this command must be at least channel operator. */
- if (channel->mode & SILC_CHANNEL_MODE_INVITE) {
- silc_hash_table_find(channel->user_list, sender, NULL, (void *)&chl);
- if (chl->mode == SILC_CHANNEL_UMODE_NONE) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
- goto out;
- }
+ if (channel->mode & SILC_CHANNEL_MODE_INVITE &&
+ !(chl->mode & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(chl->mode & SILC_CHANNEL_UMODE_CHANFO)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV,
+ 0);
+ goto out;
}
/* Get destination client ID */
tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
if (tmp) {
- char invite[512];
bool resolve;
- dest_id = silc_id_payload_parse_id(tmp, len);
+ dest_id = silc_id_payload_parse_id(tmp, len, NULL);
if (!dest_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_CLIENT_ID);
+ SILC_STATUS_ERR_NO_CLIENT_ID, 0);
goto out;
}
/* Get the client entry */
- dest = silc_server_get_client_resolve(server, dest_id, &resolve);
+ dest = silc_server_query_client(server, dest_id, FALSE, &resolve);
if (!dest) {
- if (server->server_type != SILC_SERVER || !resolve) {
+ if (server->server_type != SILC_SERVER || !resolve || cmd->pending) {
silc_server_command_send_status_reply(
cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID);
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID, 0);
goto out;
}
}
/* Check whether the requested client is already on the channel. */
- if (silc_server_client_on_channel(dest, channel)) {
+ if (silc_server_client_on_channel(dest, channel, NULL)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_USER_ON_CHANNEL);
+ SILC_STATUS_ERR_USER_ON_CHANNEL,
+ 0);
goto out;
}
/* Get route to the client */
- dest_sock = silc_server_get_client_route(server, NULL, 0, dest_id, &idata);
+ dest_sock = silc_server_get_client_route(server, NULL, 0, dest_id,
+ &idata, NULL);
if (!dest_sock) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID);
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
goto out;
}
- memset(invite, 0, sizeof(invite));
- strncat(invite, dest->nickname, strlen(dest->nickname));
- strncat(invite, "!", 1);
- strncat(invite, dest->username, strlen(dest->username));
- if (!strchr(dest->username, '@')) {
- strncat(invite, "@", 1);
- strncat(invite, cmd->sock->hostname, strlen(cmd->sock->hostname));
- }
+ /* Add the client to the invite list */
- len = strlen(invite);
+ /* Allocate hash table for invite list if it doesn't exist yet */
if (!channel->invite_list)
- channel->invite_list = silc_calloc(len + 2,
- sizeof(*channel->invite_list));
- else
- channel->invite_list = silc_realloc(channel->invite_list,
- sizeof(*channel->invite_list) *
- (len +
- strlen(channel->invite_list) + 2));
- strncat(channel->invite_list, invite, len);
- strncat(channel->invite_list, ",", 1);
-
- /* Send notify to the client that is invited to the channel */
- idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
- idp2 = silc_id_payload_encode(sender->id, SILC_ID_CLIENT);
- silc_server_send_notify_dest(server, dest_sock, FALSE, dest_id,
- SILC_ID_CLIENT,
- SILC_NOTIFY_TYPE_INVITE, 3,
- idp->data, idp->len,
- channel->channel_name,
- strlen(channel->channel_name),
- idp2->data, idp2->len);
- silc_buffer_free(idp);
- silc_buffer_free(idp2);
- }
+ channel->invite_list =
+ silc_hash_table_alloc(0, silc_hash_ptr,
+ NULL, NULL, NULL,
+ silc_server_inviteban_destruct, channel, TRUE);
+
+ /* Check if the ID is in the list already */
+ silc_hash_table_list(channel->invite_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&type, (void **)&tmp2)) {
+ if (type == 3 && !memcmp(tmp2->data, tmp, len)) {
+ tmp = NULL;
+ break;
+ }
+ }
+ silc_hash_table_list_reset(&htl);
- /* Add the client to the invite list of the channel */
- add = silc_argument_get_arg_type(cmd->args, 3, &len);
- if (add) {
- if (!channel->invite_list)
- channel->invite_list = silc_calloc(len + 2,
- sizeof(*channel->invite_list));
- else
- channel->invite_list = silc_realloc(channel->invite_list,
- sizeof(*channel->invite_list) *
- (len +
- strlen(channel->invite_list) + 2));
- if (add[len - 1] == ',')
- add[len - 1] = '\0';
-
- strncat(channel->invite_list, add, len);
- strncat(channel->invite_list, ",", 1);
+ /* Add new Client ID to invite list */
+ if (tmp) {
+ list = silc_buffer_alloc_size(len);
+ silc_buffer_put(list, tmp, len);
+ silc_hash_table_add(channel->invite_list, (void *)3, list);
+ }
+
+ if (!(dest->mode & SILC_UMODE_BLOCK_INVITE)) {
+ /* Send notify to the client that is invited to the channel */
+ SilcBuffer idp, idp2;
+ idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
+ idp2 = silc_id_payload_encode(sender->id, SILC_ID_CLIENT);
+ silc_server_send_notify_dest(server, dest_sock, FALSE, dest_id,
+ SILC_ID_CLIENT,
+ SILC_NOTIFY_TYPE_INVITE, 3,
+ idp->data, idp->len,
+ channel->channel_name,
+ strlen(channel->channel_name),
+ idp2->data, idp2->len);
+ silc_buffer_free(idp);
+ silc_buffer_free(idp2);
+ }
}
- /* Get the invite to be removed and remove it from the list */
- del = silc_argument_get_arg_type(cmd->args, 4, &len);
- if (del && channel->invite_list) {
- char *start, *end, *n;
+ /* Get the invite information */
+ tmp = silc_argument_get_arg_type(cmd->args, 4, &len);
+ if (tmp && len > 2) {
+ /* Parse the arguments to see they are constructed correctly */
+ SILC_GET16_MSB(argc, tmp);
+ args = silc_argument_payload_parse(tmp + 2, len - 2, argc);
+ if (!args) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
- if (!strncmp(channel->invite_list, del,
- strlen(channel->invite_list) - 1)) {
- silc_free(channel->invite_list);
- channel->invite_list = NULL;
- } else {
- start = strstr(channel->invite_list, del);
- if (start && strlen(start) >= len) {
- end = start + len;
- n = silc_calloc(strlen(channel->invite_list) - len, sizeof(*n));
- strncat(n, channel->invite_list, start - channel->invite_list);
- strncat(n, end + 1, ((channel->invite_list +
- strlen(channel->invite_list)) - end) - 1);
- silc_free(channel->invite_list);
- channel->invite_list = n;
+ /* Get the type of action */
+ tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
+ if (tmp && len == 1) {
+ if (tmp[0] == 0x00) {
+ /* Allocate hash table for invite list if it doesn't exist yet */
+ if (!channel->invite_list)
+ channel->invite_list =
+ silc_hash_table_alloc(0, silc_hash_ptr,
+ NULL, NULL, NULL,
+ silc_server_inviteban_destruct, channel,
+ TRUE);
+
+ /* Check for resource limit */
+ if (silc_hash_table_count(channel->invite_list) > 64) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
+ SILC_STATUS_ERR_RESOURCE_LIMIT,
+ 0);
+ goto out;
+ }
}
+
+ /* Now add or delete the information. */
+ silc_server_inviteban_process(server, channel->invite_list,
+ (SilcUInt8)tmp[0], args);
+ }
+ silc_argument_payload_free(args);
+ }
+
+ /* Encode invite list */
+ list = NULL;
+ if (channel->invite_list && silc_hash_table_count(channel->invite_list)) {
+ list = silc_buffer_alloc_size(2);
+ silc_buffer_format(list,
+ SILC_STR_UI_SHORT(silc_hash_table_count(
+ channel->invite_list)),
+ SILC_STR_END);
+ silc_hash_table_list(channel->invite_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&type, (void **)&tmp2)) {
+ if (type == 1)
+ list = silc_argument_payload_encode_one(list, (char *)tmp2,
+ strlen((char *)tmp2), type);
+ else
+ list = silc_argument_payload_encode_one(list, tmp2->data, tmp2->len,
+ type);
}
+ silc_hash_table_list_reset(&htl);
}
/* Send notify to the primary router */
- if (!server->standalone)
- silc_server_send_notify_invite(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
- sender->id, add, del);
+ silc_server_send_notify_invite(
+ server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel, sender->id,
+ silc_argument_get_arg_type(cmd->args, 3, NULL),
+ list);
+
+ /* Send invite list back only if the list was modified, or now arguments
+ was given. */
+ type = 0;
+ argc = silc_argument_get_arg_num(cmd->args);
+ if (argc == 1)
+ type = 1;
+ if (silc_argument_get_arg_type(cmd->args, 3, &len))
+ type = 1;
/* Send command reply */
tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
-
- if (add || del)
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_INVITE,
- SILC_STATUS_OK, ident, 2,
- 2, tmp, len,
- 3, channel->invite_list,
- channel->invite_list ?
- strlen(channel->invite_list) : 0);
- else
- packet =
- silc_command_reply_payload_encode_va(SILC_COMMAND_INVITE,
- SILC_STATUS_OK, ident, 1,
- 2, tmp, len);
+ packet = silc_command_reply_payload_encode_va(SILC_COMMAND_INVITE,
+ SILC_STATUS_OK, 0, ident, 2,
+ 2, tmp, len,
+ 3, type && list ?
+ list->data : NULL,
+ type && list ? list->len : 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
silc_buffer_free(packet);
+ silc_buffer_free(list);
out:
silc_free(dest_id);
}
typedef struct {
- SilcServer server;
SilcSocketConnection sock;
char *signoff;
} *QuitInternal;
SILC_TASK_CALLBACK(silc_server_command_quit_cb)
{
+ SilcServer server = app_context;
QuitInternal q = (QuitInternal)context;
/* Free all client specific data, such as client entry and entires
on channels this client may be on. */
- silc_server_free_client_data(q->server, q->sock, q->sock->user_data,
+ silc_server_free_client_data(server, q->sock, q->sock->user_data,
TRUE, q->signoff);
q->sock->user_data = NULL;
/* Close the connection on our side */
- silc_server_close_connection(q->server, q->sock);
+ silc_server_close_connection(server, q->sock);
+ silc_socket_free(q->sock);
silc_free(q->signoff);
silc_free(q);
}
SilcSocketConnection sock = cmd->sock;
QuitInternal q;
unsigned char *tmp = NULL;
- uint32 len = 0;
+ SilcUInt32 len = 0;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_QUIT, cmd, 0, 1);
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;
q = silc_calloc(1, sizeof(*q));
- q->server = server;
- q->sock = sock;
+ q->sock = silc_socket_dup(sock);
q->signoff = tmp ? strdup(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);
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
SilcClientEntry remote_client;
- SilcClientID *client_id;
- unsigned char *tmp, *comment;
- uint32 tmp_len, tmp_len2;
+ SilcClientID *client_id = NULL;
+ unsigned char *tmp, *comment, *auth;
+ SilcUInt32 tmp_len, tmp_len2, auth_len;
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_KILL, cmd, 1, 2);
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_KILL, cmd, 1, 3);
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
goto out;
- /* KILL command works only on router */
- if (server->server_type != SILC_ROUTER) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
- SILC_STATUS_ERR_NO_ROUTER_PRIV);
- goto out;
- }
+ /* Get authentication payload if present */
+ auth = silc_argument_get_arg_type(cmd->args, 3, &auth_len);
- /* Check whether client has the permissions. */
- if (!(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
- SILC_STATUS_ERR_NO_ROUTER_PRIV);
- goto out;
+ if (!auth) {
+ /* Router operator killing */
+
+ /* KILL command works only on router */
+ if (server->server_type != SILC_ROUTER) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_ERR_NO_ROUTER_PRIV, 0);
+ goto out;
+ }
+
+ /* Check whether client has the permissions. */
+ if (!(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_ERR_NO_ROUTER_PRIV, 0);
+ goto out;
+ }
}
/* Get the client ID */
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID);
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
goto out;
}
client_id, TRUE, NULL);
if (!remote_client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID);
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
goto out;
}
}
/* Get comment */
comment = silc_argument_get_arg_type(cmd->args, 2, &tmp_len2);
- if (tmp_len2 > 128)
- comment = NULL;
+ if (comment && tmp_len2 > 128) {
+ tmp_len2 = 128;
+ comment[127] = '\0';
+ }
- /* Send reply to the sender */
- 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. */
- silc_server_send_notify_on_channels(server, remote_client,
- remote_client, SILC_NOTIFY_TYPE_KILLED,
- comment ? 2 : 1,
- tmp, tmp_len,
- comment, comment ? tmp_len2 : 0);
-
- /* Send KILLED notify to primary route */
- if (!server->standalone)
- silc_server_send_notify_killed(server, server->router->connection, TRUE,
- remote_client->id, comment);
-
- /* 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);
-
- /* 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);
+ /* If authentication data is provided then verify that killing is
+ actually allowed */
+ if (auth && auth_len) {
+ SilcSocketConnection sock;
+
+ if (!SILC_IS_LOCAL(remote_client) || !remote_client->data.public_key) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_ERR_OPERATION_ALLOWED,
+ 0);
+ goto out;
+ }
+
+ /* Verify the signature */
+ if (!silc_auth_verify_data(auth, auth_len, SILC_AUTH_PUBLIC_KEY,
+ remote_client->data.public_key, 0,
+ server->sha1hash, remote_client->id,
+ SILC_ID_CLIENT)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
+ goto out;
+ }
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_OK, 0);
+
+ /* Do normal signoff for the destination client */
+ sock = remote_client->connection;
+ silc_server_remove_from_channels(server, NULL, remote_client,
+ TRUE, (char *)"Killed", TRUE, TRUE);
+ silc_server_free_client_data(server, NULL, remote_client, TRUE,
+ comment ? comment :
+ (unsigned char *)"Killed");
+ if (sock)
+ silc_server_close_connection(server, sock);
} else {
- /* Remove remote client */
- if (!silc_idlist_del_client(server->global_list, remote_client))
- silc_idlist_del_client(server->local_list, remote_client);
+ /* Router operator killing */
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KILL,
+ SILC_STATUS_OK, 0);
+
+ /* Check if anyone is watching this nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_KILLED);
+
+ /* Now do the killing */
+ silc_server_kill_client(server, remote_client, comment, client->id,
+ SILC_ID_CLIENT);
}
out:
+ silc_free(client_id);
silc_server_command_free(cmd);
}
SilcServer server = cmd->server;
SilcBuffer packet, idp;
unsigned char *tmp;
- uint32 tmp_len;
+ SilcUInt32 tmp_len;
char *dest_server, *server_info = NULL, *server_name;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
SilcServerEntry entry = NULL;
SilcServerID *server_id = NULL;
/* Get Server ID */
tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
if (tmp) {
- server_id = silc_id_payload_parse_id(tmp, tmp_len);
+ server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!server_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INFO,
- SILC_STATUS_ERR_NO_SERVER_ID);
+ SILC_STATUS_ERR_NO_SERVER_ID, 0);
goto out;
}
}
server_id, TRUE, NULL);
if (!entry && server->server_type != SILC_SERVER) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INFO,
- SILC_STATUS_ERR_NO_SUCH_SERVER);
+ SILC_STATUS_ERR_NO_SUCH_SERVER,
+ 0);
goto out;
}
}
memset(info_string, 0, sizeof(info_string));
snprintf(info_string, sizeof(info_string),
"location: %s server: %s admin: %s <%s>",
- server->config->admin_info->location,
- server->config->admin_info->server_type,
- server->config->admin_info->admin_name,
- server->config->admin_info->admin_email);
+ server->config->server_info->location,
+ server->config->server_info->server_type,
+ server->config->server_info->admin,
+ server->config->server_info->email);
server_info = info_string;
entry = server->id_entry;
server->server_type != SILC_SERVER && entry && !entry->server_info) {
/* Send to the server */
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
if (!entry && !cmd->pending && !server->standalone) {
/* Send to the primary router */
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
tmpbuf = silc_command_payload_encode_payload(cmd->payload);
- silc_server_packet_send(server, server->router->connection,
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
if (!entry) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_INFO,
- SILC_STATUS_ERR_NO_SUCH_SERVER);
+ SILC_STATUS_ERR_NO_SUCH_SERVER, 0);
goto out;
}
/* Send the reply */
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_INFO,
- SILC_STATUS_OK, ident, 3,
+ SILC_STATUS_OK, 0, ident, 3,
2, idp->data, idp->len,
3, server_name,
strlen(server_name),
{
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
SilcServer server = cmd->server;
- SilcServerID *id;
- uint32 len;
+ SilcUInt32 tmp_len;
unsigned char *tmp;
+ SilcServerID *server_id = NULL;
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_INFO, cmd, 1, 2);
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_PING, cmd, 1, 1);
/* Get Server ID */
- tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
+ tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_PING,
- SILC_STATUS_ERR_NO_SERVER_ID);
+ SILC_STATUS_ERR_NO_SERVER_ID, 0);
goto out;
}
- id = silc_id_str2id(tmp, len, SILC_ID_SERVER);
- if (!id)
+ server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!server_id)
goto out;
- if (SILC_ID_SERVER_COMPARE(id, server->id)) {
+ if (SILC_ID_SERVER_COMPARE(server_id, server->id)) {
/* Send our reply */
silc_server_command_send_status_reply(cmd, SILC_COMMAND_PING,
- SILC_STATUS_OK);
+ SILC_STATUS_OK, 0);
} else {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_PING,
- SILC_STATUS_ERR_NO_SUCH_SERVER);
+ SILC_STATUS_ERR_NO_SUCH_SERVER, 0);
goto out;
}
- silc_free(id);
+ out:
+ silc_free(server_id);
+ silc_server_command_free(cmd);
+}
+
+/* Server side of command STATS. */
+
+SILC_SERVER_CMD_FUNC(stats)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ SilcServerID *server_id;
+ unsigned char *tmp;
+ SilcUInt32 tmp_len;
+ SilcBuffer packet, stats;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt32 uptime;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_STATS, cmd, 1, 1);
+
+ /* Get Server ID */
+ tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
+ if (!tmp) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PING,
+ SILC_STATUS_ERR_NO_SERVER_ID, 0);
+ goto out;
+ }
+ server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!server_id)
+ goto out;
+
+ /* The ID must be ours */
+ if (!SILC_ID_SERVER_COMPARE(server->id, server_id)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PING,
+ SILC_STATUS_ERR_NO_SUCH_SERVER, 0);
+ silc_free(server_id);
+ goto out;
+ }
+ silc_free(server_id);
+
+ /* If we are router then just send everything we got. If we are normal
+ server then we'll send this to our router to get all the latest
+ statistical information. */
+ if (!cmd->pending && server->server_type != SILC_ROUTER &&
+ !server->standalone) {
+ /* Send request to our router */
+ SilcBuffer idp = silc_id_payload_encode(server->router->id,
+ SILC_ID_SERVER);
+ packet = silc_command_payload_encode_va(SILC_COMMAND_STATS,
+ ++server->cmd_ident, 1,
+ 1, idp->data, idp->len);
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
+ SILC_PACKET_COMMAND, 0, packet->data,
+ packet->len, FALSE);
+
+ /* Reprocess this packet after received reply from router */
+ silc_server_command_pending(server, SILC_COMMAND_STATS,
+ server->cmd_ident,
+ silc_server_command_stats,
+ silc_server_command_dup(cmd));
+ cmd->pending = TRUE;
+ silc_buffer_free(packet);
+ silc_buffer_free(idp);
+ goto out;
+ }
+
+ /* Send our reply to sender */
+ uptime = time(NULL) - server->starttime;
+
+ stats = silc_buffer_alloc_size(60);
+ silc_buffer_format(stats,
+ SILC_STR_UI_INT(server->starttime),
+ SILC_STR_UI_INT(uptime),
+ SILC_STR_UI_INT(server->stat.my_clients),
+ SILC_STR_UI_INT(server->stat.my_channels),
+ SILC_STR_UI_INT(server->stat.my_server_ops),
+ SILC_STR_UI_INT(server->stat.my_router_ops),
+ SILC_STR_UI_INT(server->stat.cell_clients),
+ SILC_STR_UI_INT(server->stat.cell_channels),
+ SILC_STR_UI_INT(server->stat.cell_servers),
+ SILC_STR_UI_INT(server->stat.clients),
+ SILC_STR_UI_INT(server->stat.channels),
+ SILC_STR_UI_INT(server->stat.servers),
+ SILC_STR_UI_INT(server->stat.routers),
+ SILC_STR_UI_INT(server->stat.server_ops),
+ SILC_STR_UI_INT(server->stat.router_ops),
+ SILC_STR_END);
+
+ packet = silc_command_reply_payload_encode_va(SILC_COMMAND_STATS,
+ SILC_STATUS_OK, 0, ident, 2,
+ 2, tmp, tmp_len,
+ 3, stats->data, stats->len);
+ silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY,
+ 0, packet->data, packet->len, FALSE);
+ silc_buffer_free(packet);
+ silc_buffer_free(stats);
out:
silc_server_command_free(cmd);
SilcClientID *client_id,
bool created,
bool create_key,
- uint32 umode,
+ SilcUInt32 umode,
const unsigned char *auth,
- uint32 auth_len)
+ SilcUInt32 auth_len)
{
SilcSocketConnection sock = cmd->sock;
unsigned char *tmp;
- uint32 tmp_len, user_count;
+ SilcUInt32 tmp_len, user_count;
unsigned char *passphrase = NULL, mode[4], tmp2[4], tmp3[4];
SilcClientEntry client;
SilcChannelClientEntry chl;
- SilcBuffer reply, chidp, clidp, keyp = NULL, user_list, mode_list;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcBuffer reply, chidp, clidp, keyp = NULL;
+ SilcBuffer user_list, mode_list, invite_list, ban_list;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char check[512], check2[512];
bool founder = FALSE;
bool resolve;
+ SilcBuffer fkey = NULL;
+ const char *cipher;
- SILC_LOG_DEBUG(("Start"));
+ SILC_LOG_DEBUG(("Joining client to channel"));
if (!channel)
return;
/* Get the client entry */
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT) {
client = (SilcClientEntry)sock->user_data;
+ if (!client)
+ return;
} else {
- client = silc_server_get_client_resolve(server, client_id, &resolve);
+ client = silc_server_query_client(server, client_id, FALSE,
+ &resolve);
if (!client) {
- if (cmd->pending)
- goto out;
-
- if (!resolve) {
+ if (!resolve || cmd->pending) {
silc_server_command_send_status_reply(
cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
goto out;
}
server->cmd_ident,
silc_server_command_join,
silc_server_command_dup(cmd));
- cmd->pending = TRUE;
+ cmd->pending = TRUE;
+ goto out;
+ }
+
+ if (auth && auth_len && !client->data.public_key) {
+ if (cmd->pending == 2)
+ goto out;
+
+ /* We must retrieve the detached client's public key by sending
+ GETKEY command. Reprocess this packet after receiving the key */
+ clidp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
+ silc_server_send_command(server, cmd->sock,
+ SILC_COMMAND_GETKEY, ++server->cmd_ident,
+ 1, 1, clidp->data, clidp->len);
+ silc_buffer_free(clidp);
+ silc_server_command_pending(server, SILC_COMMAND_GETKEY,
+ server->cmd_ident,
+ silc_server_command_join,
+ silc_server_command_dup(cmd));
+ cmd->pending = 2;
goto out;
}
*/
if (auth && auth_len && channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) {
SilcIDListData idata = (SilcIDListData)client;
+ SilcChannelClientEntry chl2;
+ SilcHashTableList htl;
if (channel->founder_key && idata->public_key &&
silc_pkcs_public_key_compare(channel->founder_key,
idata->public_key)) {
- void *auth_data = (channel->founder_method == SILC_AUTH_PASSWORD ?
- (void *)channel->founder_passwd :
- (void *)channel->founder_key);
- uint32 auth_data_len = (channel->founder_method == SILC_AUTH_PASSWORD ?
- channel->founder_passwd_len : 0);
-
/* Check whether the client is to become founder */
- if (silc_auth_verify_data(auth, auth_len, channel->founder_method,
- auth_data, auth_data_len,
- idata->hash, client->id, SILC_ID_CLIENT)) {
+ if (silc_auth_verify_data(auth, auth_len, SILC_AUTH_PUBLIC_KEY,
+ channel->founder_key, 0, server->sha1hash,
+ client->id, SILC_ID_CLIENT)) {
+
+ /* There cannot be anyone else as founder on the channel now. This
+ client is definitely the founder due to this authentication */
+ silc_hash_table_list(channel->user_list, &htl);
+ while (silc_hash_table_get(&htl, NULL, (void *)&chl2))
+ if (chl2->mode & SILC_CHANNEL_UMODE_CHANFO) {
+ chl2->mode &= ~SILC_CHANNEL_UMODE_CHANFO;
+ silc_server_force_cumode_change(server, NULL, channel, chl2,
+ chl2->mode);
+ break;
+ }
+ silc_hash_table_list_reset(&htl);
+
umode = (SILC_CHANNEL_UMODE_CHANOP | SILC_CHANNEL_UMODE_CHANFO);
founder = TRUE;
}
if (!umode) {
memset(check, 0, sizeof(check));
memset(check2, 0, sizeof(check2));
- strncat(check, client->nickname, strlen(client->nickname));
- strncat(check, "!", 1);
- strncat(check, client->username, strlen(client->username));
+ silc_strncat(check, sizeof(check),
+ client->nickname, strlen(client->nickname));
+ silc_strncat(check, sizeof(check), "!", 1);
+ silc_strncat(check, sizeof(check),
+ client->username, strlen(client->username));
if (!strchr(client->username, '@')) {
- strncat(check, "@", 1);
- strncat(check, cmd->sock->hostname, strlen(cmd->sock->hostname));
+ silc_strncat(check, sizeof(check), "@", 1);
+ silc_strncat(check, sizeof(check),
+ cmd->sock->hostname, strlen(cmd->sock->hostname));
}
- strncat(check2, client->nickname, strlen(client->nickname));
+ silc_strncat(check2, sizeof(check2),
+ client->nickname, strlen(client->nickname));
if (!strchr(client->nickname, '@')) {
- strncat(check2, "@", 1);
- strncat(check2, server->server_name, strlen(server->server_name));
+ silc_strncat(check2, sizeof(check2), "@", 1);
+ silc_strncat(check2, sizeof(check2),
+ server->server_name, strlen(server->server_name));
}
- strncat(check2, "!", 1);
- strncat(check2, client->username, strlen(client->username));
+ silc_strncat(check2, sizeof(check2), "!", 1);
+ silc_strncat(check2, sizeof(check2),
+ client->username, strlen(client->username));
if (!strchr(client->username, '@')) {
- strncat(check2, "@", 1);
- strncat(check2, cmd->sock->hostname, strlen(cmd->sock->hostname));
+ silc_strncat(check2, sizeof(check2), "@", 1);
+ silc_strncat(check2, sizeof(check2),
+ cmd->sock->hostname, strlen(cmd->sock->hostname));
}
/* Check invite list if channel is invite-only channel */
if (channel->mode & SILC_CHANNEL_MODE_INVITE) {
if (!channel->invite_list ||
- (!silc_string_match(channel->invite_list, check) &&
- !silc_string_match(channel->invite_list, check2))) {
+ !silc_hash_table_count(channel->invite_list) ||
+ (!silc_server_inviteban_match(server, channel->invite_list,
+ 3, client->id) &&
+ !silc_server_inviteban_match(server, channel->invite_list,
+ 2, client->data.public_key) &&
+ !silc_server_inviteban_match(server, channel->invite_list,
+ 1, check) &&
+ !silc_server_inviteban_match(server, channel->invite_list,
+ 1, check2))) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_NOT_INVITED);
+ SILC_STATUS_ERR_NOT_INVITED, 0);
goto out;
}
}
/* Check ban list if it exists. If the client's nickname, server,
username and/or hostname is in the ban list the access to the
channel is denied. */
- if (channel->ban_list) {
- if (silc_string_match(channel->ban_list, check) ||
- silc_string_match(channel->ban_list, check2)) {
+ if (channel->ban_list && silc_hash_table_count(channel->ban_list)) {
+ if (silc_server_inviteban_match(server, channel->ban_list,
+ 3, client->id) ||
+ silc_server_inviteban_match(server, channel->ban_list,
+ 2, client->data.public_key) ||
+ silc_server_inviteban_match(server, channel->ban_list,
+ 1, check) ||
+ silc_server_inviteban_match(server, channel->ban_list,
+ 1, check2)) {
silc_server_command_send_status_reply(
cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_BANNED_FROM_CHANNEL);
+ SILC_STATUS_ERR_BANNED_FROM_CHANNEL, 0);
goto out;
}
}
if (silc_hash_table_count(channel->user_list) + 1 >
channel->user_limit) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_CHANNEL_IS_FULL);
+ SILC_STATUS_ERR_CHANNEL_IS_FULL,
+ 0);
goto out;
}
}
if (channel->mode & SILC_CHANNEL_MODE_PASSPHRASE) {
/* Get passphrase */
tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
- if (tmp) {
- passphrase = silc_calloc(tmp_len, sizeof(*passphrase));
- memcpy(passphrase, tmp, tmp_len);
- }
+ if (tmp)
+ passphrase = silc_memdup(tmp, tmp_len);
if (!passphrase || !channel->passphrase ||
memcmp(passphrase, channel->passphrase, strlen(channel->passphrase))) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_BAD_PASSWORD);
+ SILC_STATUS_ERR_BAD_PASSWORD, 0);
goto out;
}
}
*/
/* Check whether the client already is on the channel */
- if (silc_server_client_on_channel(client, channel)) {
+ if (silc_server_client_on_channel(client, channel, NULL)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_USER_ON_CHANNEL);
+ SILC_STATUS_ERR_USER_ON_CHANNEL, 0);
goto out;
}
chl->channel = channel;
silc_hash_table_add(channel->user_list, client, chl);
silc_hash_table_add(client->channels, channel, chl);
+ channel->user_count++;
+ channel->disabled = FALSE;
/* Get users on the channel */
silc_server_get_users_on_channel(server, channel, &user_list, &mode_list,
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,
- strlen(channel->channel_key->
- cipher->name),
- channel->channel_key->cipher->name,
+ cipher = silc_cipher_get_name(channel->channel_key);
+ keyp = silc_channel_key_payload_encode(silc_id_get_len(channel->id,
+ SILC_ID_CHANNEL),
+ tmp,
+ strlen(cipher), cipher,
channel->key_len / 8, channel->key);
silc_free(tmp);
}
+ if (channel->founder_key)
+ fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
+
+ /* Encode invite list */
+ invite_list = NULL;
+ if (channel->invite_list && silc_hash_table_count(channel->invite_list)) {
+ SilcHashTableList htl;
+
+ invite_list = silc_buffer_alloc_size(2);
+ silc_buffer_format(invite_list,
+ SILC_STR_UI_SHORT(silc_hash_table_count(
+ channel->invite_list)),
+ SILC_STR_END);
+
+ silc_hash_table_list(channel->invite_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&tmp_len, (void **)&reply)) {
+ if (tmp_len == 1)
+ invite_list = silc_argument_payload_encode_one(invite_list,
+ (char *)reply,
+ strlen((char *)reply),
+ tmp_len);
+ else
+ invite_list = silc_argument_payload_encode_one(invite_list,
+ reply->data,
+ reply->len, tmp_len);
+ }
+ silc_hash_table_list_reset(&htl);
+ }
+
+ /* Encode ban list */
+ ban_list = NULL;
+ if (channel->ban_list && silc_hash_table_count(channel->ban_list)) {
+ SilcHashTableList htl;
+
+ ban_list = silc_buffer_alloc_size(2);
+ silc_buffer_format(ban_list,
+ SILC_STR_UI_SHORT(silc_hash_table_count(
+ channel->ban_list)),
+ SILC_STR_END);
+
+ silc_hash_table_list(channel->ban_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&tmp_len, (void **)&reply)) {
+ if (tmp_len == 1)
+ ban_list = silc_argument_payload_encode_one(ban_list,
+ (char *)reply,
+ strlen((char *)reply),
+ tmp_len);
+ else
+ ban_list = silc_argument_payload_encode_one(ban_list,
+ reply->data,
+ reply->len, tmp_len);
+ }
+ silc_hash_table_list_reset(&htl);
+ }
+
reply =
silc_command_reply_payload_encode_va(SILC_COMMAND_JOIN,
- SILC_STATUS_OK, ident, 13,
+ SILC_STATUS_OK, 0, ident, 14,
2, channel->channel_name,
strlen(channel->channel_name),
3, chidp->data, chidp->len,
6, tmp2, 4,
7, keyp ? keyp->data : NULL,
keyp ? keyp->len : 0,
- 8, channel->ban_list,
- channel->ban_list ?
- strlen(channel->ban_list) : 0,
- 9, channel->invite_list,
- channel->invite_list ?
- strlen(channel->invite_list) : 0,
+ 8, ban_list ? ban_list->data : NULL,
+ ban_list ? ban_list->len : 0,
+ 9, invite_list ? invite_list->data :
+ NULL,
+ invite_list ? invite_list->len : 0,
10, channel->topic,
channel->topic ?
strlen(channel->topic) : 0,
12, tmp3, 4,
13, user_list->data, user_list->len,
14, mode_list->data,
- mode_list->len);
+ mode_list->len,
+ 15, fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
/* Send command reply */
silc_server_packet_send(server, sock, SILC_PACKET_COMMAND_REPLY, 0,
we'll ignore it (in packet_receive.c) so we must send it here. If
we are router then this will send it to local clients and local
servers. */
+ SILC_LOG_DEBUG(("Send JOIN notify to channel"));
silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
SILC_NOTIFY_TYPE_JOIN, 2,
clidp->data, clidp->len,
chidp->data, chidp->len);
+ /* Update statistics */
+ server->stat.my_chanclients++;
+ if (server->server_type == SILC_ROUTER) {
+ server->stat.cell_chanclients++;
+ server->stat.chanclients++;
+ }
+
if (!cmd->pending) {
/* Send JOIN notify packet to our primary router */
- if (!server->standalone)
- silc_server_send_notify_join(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel, client->id);
+ silc_server_send_notify_join(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel, client->id);
if (keyp)
/* Distribute the channel key to all backup routers. */
notify the mode change to the channel. */
if (founder) {
SILC_PUT32_MSB(chl->mode, mode);
+ SILC_LOG_DEBUG(("Send CUMODE_CHANGE notify to channel"));
silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
- SILC_NOTIFY_TYPE_CUMODE_CHANGE, 3,
+ SILC_NOTIFY_TYPE_CUMODE_CHANGE, 4,
clidp->data, clidp->len,
- mode, 4, clidp->data, clidp->len);
-
- /* Set CUMODE notify type to network */
- if (!server->standalone)
- silc_server_send_notify_cumode(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
- chl->mode, client->id, SILC_ID_CLIENT,
- client->id);
+ mode, 4, clidp->data, clidp->len,
+ fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
}
}
+ /* Set CUMODE notify type to network */
+ if (founder)
+ silc_server_send_notify_cumode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
+ chl->mode, client->id, SILC_ID_CLIENT,
+ client->id, channel->founder_key);
+
silc_buffer_free(reply);
silc_buffer_free(clidp);
silc_buffer_free(chidp);
silc_buffer_free(keyp);
silc_buffer_free(user_list);
silc_buffer_free(mode_list);
+ silc_buffer_free(fkey);
+ silc_buffer_free(invite_list);
+ silc_buffer_free(ban_list);
out:
silc_free(passphrase);
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
SilcServer server = cmd->server;
unsigned char *auth;
- uint32 tmp_len, auth_len;
+ SilcUInt32 tmp_len, auth_len;
char *tmp, *channel_name = NULL, *cipher, *hmac;
SilcChannelEntry channel;
- uint32 umode = 0;
+ SilcUInt32 umode = 0;
bool created = FALSE, create_key = TRUE;
SilcClientID *client_id;
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
channel_name = tmp;
if (silc_server_name_bad_chars(channel_name, tmp_len) == TRUE) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_BAD_CHANNEL);
+ SILC_STATUS_ERR_BAD_CHANNEL, 0);
goto out;
}
tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
- client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!client_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT) {
SilcClientEntry entry = (SilcClientEntry)cmd->sock->user_data;
+ if (!entry) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
+
+ silc_free(client_id);
client_id = silc_id_dup(entry->id, SILC_ID_CLIENT);
- if (!channel || channel->disabled) {
- /* Channel not found */
+ if (!channel ||
+ (channel->disabled && server->server_type != SILC_ROUTER)) {
+ /* Channel not found or not valid */
/* If we are standalone server we don't have a router, we just create
- the channel by ourselves. */
+ the channel by ourselves (unless it existed). */
if (server->standalone) {
- channel = silc_server_create_new_channel(server, server->id, cipher,
- hmac, channel_name, TRUE);
if (!channel) {
- silc_server_command_send_status_reply(
- cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
- goto out;
- }
-
- umode = (SILC_CHANNEL_UMODE_CHANOP | SILC_CHANNEL_UMODE_CHANFO);
- created = TRUE;
- create_key = FALSE;
+ channel = silc_server_create_new_channel(server, server->id, cipher,
+ hmac, channel_name, TRUE);
+ if (!channel) {
+ silc_server_command_send_status_reply(
+ cmd, SILC_COMMAND_JOIN,
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM,
+ 0);
+ silc_free(client_id);
+ goto out;
+ }
+ umode = (SILC_CHANNEL_UMODE_CHANOP | SILC_CHANNEL_UMODE_CHANFO);
+ created = TRUE;
+ create_key = FALSE;
+ }
} else {
/* The channel does not exist on our server. If we are normal server
or joins the client to it). */
if (server->server_type != SILC_ROUTER) {
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
/* If this is pending command callback then we've resolved
it and it didn't work, return since we've notified the
client already in the command reply callback. */
- if (cmd->pending)
+ if (cmd->pending) {
+ silc_free(client_id);
goto out;
+ }
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
/* Send JOIN command to our router */
silc_server_packet_send(server, (SilcSocketConnection)
- server->router->connection,
+ SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
silc_server_command_join,
silc_server_command_dup(cmd));
cmd->pending = TRUE;
+ silc_command_set_ident(cmd->payload, old_ident);
+ silc_buffer_free(tmpbuf);
+ silc_free(client_id);
goto out;
}
channel = silc_server_create_new_channel(server, server->id, cipher,
hmac, channel_name, TRUE);
if (!channel) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ silc_server_command_send_status_reply(
+ cmd, SILC_COMMAND_JOIN,
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
+ silc_free(client_id);
goto out;
}
something went wrong with the joining as the channel was not found.
We can't do anything else but ignore this. */
if (cmd->sock->type == SILC_SOCKET_TYPE_ROUTER ||
- server->server_type != SILC_ROUTER)
+ server->server_type != SILC_ROUTER) {
+ silc_free(client_id);
goto out;
+ }
/* We are router and the channel does not seem exist so we will check
our global list as well for the channel. */
channel = silc_server_create_new_channel(server, server->id, cipher,
hmac, channel_name, TRUE);
if (!channel) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ silc_server_command_send_status_reply(
+ cmd, SILC_COMMAND_JOIN,
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
+ silc_free(client_id);
goto out;
}
/* Check whether the channel was created by our router */
if (cmd->pending && context2) {
- SilcServerCommandReplyContext reply =
- (SilcServerCommandReplyContext)context2;
+ SilcServerCommandReplyContext reply = context2;
if (silc_command_get(reply->payload) == SILC_COMMAND_JOIN) {
tmp = silc_argument_get_arg_type(reply->args, 6, NULL);
SILC_GET32_MSB(created, tmp);
- create_key = FALSE; /* Router returned the key already */
+ if (silc_argument_get_arg_type(reply->args, 7, NULL))
+ create_key = FALSE; /* Router returned the key already */
+
+ if (silc_command_get_status(reply->payload, NULL, NULL) &&
+ channel->mode & SILC_CHANNEL_MODE_PASSPHRASE) {
+ /* Save channel passphrase, if user provided it successfully */
+ unsigned char *pa;
+ SilcUInt32 pa_len;
+ pa = silc_argument_get_arg_type(cmd->args, 3, &pa_len);
+ if (pa) {
+ silc_free(channel->passphrase);
+ channel->passphrase = silc_memdup(pa, pa_len);
+ }
+ }
}
if (silc_command_get(reply->payload) == SILC_COMMAND_WHOIS &&
- !silc_hash_table_count(channel->user_list))
+ !channel->disabled && !silc_hash_table_count(channel->user_list))
created = TRUE;
}
/* If the channel does not have global users and is also empty the client
will be the channel founder and operator. */
- if (!channel->global_users && !silc_hash_table_count(channel->user_list))
+ if (!channel->disabled &&
+ !channel->global_users && !silc_hash_table_count(channel->user_list))
umode = (SILC_CHANNEL_UMODE_CHANOP | SILC_CHANNEL_UMODE_CHANFO);
/* Join to the channel */
SilcServer server = cmd->server;
SilcBuffer packet, idp;
char *motd, *dest_server;
- uint32 motd_len;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt32 motd_len;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_MOTD, cmd, 1, 1);
dest_server = silc_argument_get_arg_type(cmd->args, 1, NULL);
if (!dest_server) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_MOTD,
- SILC_STATUS_ERR_NO_SUCH_SERVER);
+ SILC_STATUS_ERR_NO_SUCH_SERVER, 0);
goto out;
}
idp = silc_id_payload_encode(server->id_entry->id, SILC_ID_SERVER);
- if (server->config && server->config->motd &&
- server->config->motd->motd_file) {
+ if (server->config && server->config->server_info &&
+ server->config->server_info->motd_file) {
/* Send motd */
- motd = silc_file_readfile(server->config->motd->motd_file, &motd_len);
+ motd = silc_file_readfile(server->config->server_info->motd_file,
+ &motd_len);
if (!motd)
goto out;
motd[motd_len] = 0;
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_MOTD,
- SILC_STATUS_OK, ident, 2,
+ SILC_STATUS_OK, 0,
+ ident, 2,
2, idp, idp->len,
3, motd, motd_len);
} else {
/* No motd */
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_MOTD,
- SILC_STATUS_OK, ident, 1,
+ SILC_STATUS_OK, 0,
+ ident, 1,
2, idp, idp->len);
}
entry && !entry->motd) {
/* Send to the server */
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
if (!entry && !cmd->pending && !server->standalone) {
/* Send to the primary router */
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
tmpbuf = silc_command_payload_encode_payload(cmd->payload);
- silc_server_packet_send(server, server->router->connection,
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
}
if (!entry) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_INFO,
- SILC_STATUS_ERR_NO_SUCH_SERVER);
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_MOTD,
+ SILC_STATUS_ERR_NO_SUCH_SERVER, 0);
goto out;
}
idp = silc_id_payload_encode(server->id_entry->id, SILC_ID_SERVER);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_MOTD,
- SILC_STATUS_OK, ident, 2,
+ SILC_STATUS_OK, 0, ident, 2,
2, idp, idp->len,
3, entry->motd,
entry->motd ?
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
SilcBuffer packet;
- unsigned char *tmp_mask;
- uint32 mask;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ 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)
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !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;
+ if (tmp_mask) {
+ SILC_GET32_MSB(mask, tmp_mask);
+ set_mask = TRUE;
}
- SILC_GET32_MSB(mask, tmp_mask);
-
- /*
- * Change the mode
- */
- if (mask & SILC_UMODE_SERVER_OPERATOR) {
- if (!(client->mode & SILC_UMODE_SERVER_OPERATOR)) {
- /* Cannot operator mode */
+ 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);
+ SILC_STATUS_ERR_PERM_DENIED, 0);
goto out;
}
- } else {
- if (client->mode & SILC_UMODE_SERVER_OPERATOR)
- /* Remove the server operator rights */
- client->mode &= ~SILC_UMODE_SERVER_OPERATOR;
- }
- if (mask & SILC_UMODE_ROUTER_OPERATOR) {
- if (!(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
- /* Cannot operator mode */
- 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, 0);
+ goto out;
+ }
+ } else {
+ if (client->mode & SILC_UMODE_ANONYMOUS) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_UMODE,
+ SILC_STATUS_ERR_PERM_DENIED, 0);
+ goto out;
+ }
}
- } else {
- if (client->mode & SILC_UMODE_ROUTER_OPERATOR)
- /* Remove the router operator rights */
- client->mode &= ~SILC_UMODE_ROUTER_OPERATOR;
- }
- if (mask & SILC_UMODE_GONE) {
- client->mode |= SILC_UMODE_GONE;
- } else {
- if (client->mode & SILC_UMODE_GONE)
- /* Remove the gone status */
- client->mode &= ~SILC_UMODE_GONE;
- }
+ /* Update statistics */
+ if (mask & SILC_UMODE_GONE) {
+ if (!(client->mode & SILC_UMODE_GONE))
+ server->stat.my_aways++;
+ } else {
+ if (client->mode & SILC_UMODE_GONE)
+ server->stat.my_aways--;
+ }
- /* Send UMODE change to primary router */
- if (!server->standalone)
- silc_server_send_notify_umode(server, server->router->connection, TRUE,
- client->id, client->mode);
+ /* Change the mode */
+ client->mode = mask;
+
+ /* Send UMODE change to primary router */
+ silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), client->id,
+ client->mode);
+
+ /* Check if anyone is watching this nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_UMODE_CHANGE);
+ }
/* Send command reply to sender */
+ SILC_PUT32_MSB(client->mode, m);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_UMODE,
- SILC_STATUS_OK, ident, 1,
- 2, tmp_mask, 4);
+ SILC_STATUS_OK, 0, ident, 1,
+ 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);
}
-/* Checks that client has rights to add or remove channel modes. If any
- of the checks fails FALSE is returned. */
-
-int silc_server_check_cmode_rights(SilcChannelEntry channel,
- SilcChannelClientEntry client,
- uint32 mode)
-{
- int is_op = client->mode & SILC_CHANNEL_UMODE_CHANOP;
- int is_fo = client->mode & SILC_CHANNEL_UMODE_CHANFO;
-
- /* Check whether has rights to change anything */
- if (!is_op && !is_fo)
- return FALSE;
-
- /* Check whether has rights to change everything */
- if (is_op && is_fo)
- return TRUE;
-
- /* We know that client is channel operator, check that they are not
- changing anything that requires channel founder rights. Rest of the
- modes are available automatically for channel operator. */
-
- if (mode & SILC_CHANNEL_MODE_PRIVKEY) {
- if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY))
- if (is_op && !is_fo)
- return FALSE;
- } else {
- if (channel->mode & SILC_CHANNEL_MODE_PRIVKEY) {
- if (is_op && !is_fo)
- return FALSE;
- }
- }
-
- if (mode & SILC_CHANNEL_MODE_PASSPHRASE) {
- if (!(channel->mode & SILC_CHANNEL_MODE_PASSPHRASE))
- if (is_op && !is_fo)
- return FALSE;
- } else {
- if (channel->mode & SILC_CHANNEL_MODE_PASSPHRASE) {
- if (is_op && !is_fo)
- return FALSE;
- }
- }
-
- if (mode & SILC_CHANNEL_MODE_CIPHER) {
- if (!(channel->mode & SILC_CHANNEL_MODE_CIPHER))
- if (is_op && !is_fo)
- return FALSE;
- } else {
- if (channel->mode & SILC_CHANNEL_MODE_CIPHER) {
- if (is_op && !is_fo)
- return FALSE;
- }
- }
-
- if (mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) {
- if (!(channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH))
- if (is_op && !is_fo)
- return FALSE;
- } else {
- if (channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) {
- if (is_op && !is_fo)
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
/* Server side command of CMODE. Changes channel mode */
SILC_SERVER_CMD_FUNC(cmode)
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
SilcIDListData idata = (SilcIDListData)client;
- SilcChannelID *channel_id;
+ SilcChannelID *channel_id = NULL;
SilcChannelEntry channel;
SilcChannelClientEntry chl;
SilcBuffer packet, cidp;
unsigned char *tmp, *tmp_id, *tmp_mask;
char *cipher = NULL, *hmac = NULL, *passphrase = NULL;
- uint32 mode_mask, tmp_len, tmp_len2;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt32 mode_mask = 0, old_mask = 0, tmp_len, tmp_len2;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ bool set_mask = FALSE;
+ SilcPublicKey founder_key = NULL;
+ SilcBuffer fkey = NULL;
+
+ if (!client) {
+ silc_server_command_free(cmd);
+ return;
+ }
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_CMODE, cmd, 2, 7);
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_CMODE, cmd, 1, 8);
/* Get Channel ID */
tmp_id = silc_argument_get_arg_type(cmd->args, 1, &tmp_len2);
if (!tmp_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
- goto out;
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
+ silc_server_command_free(cmd);
+ return;
}
- channel_id = silc_id_payload_parse_id(tmp_id, tmp_len2);
+ channel_id = silc_id_payload_parse_id(tmp_id, tmp_len2, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
- goto out;
- }
-
- /* Get the channel mode mask */
- tmp_mask = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
- if (!tmp_mask) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
+ silc_server_command_free(cmd);
+ return;
}
- SILC_GET32_MSB(mode_mask, tmp_mask);
/* Get channel entry */
channel = silc_idlist_find_channel_by_id(server->local_list,
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
- goto out;
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
+ silc_free(channel_id);
+ silc_server_command_free(cmd);
+ return;
}
}
+ old_mask = channel->mode;
+
+ /* Get the channel mode mask */
+ tmp_mask = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (tmp_mask) {
+ SILC_GET32_MSB(mode_mask, tmp_mask);
+ set_mask = TRUE;
+ }
/* Check whether this client is on the channel */
- if (!silc_server_client_on_channel(client, channel)) {
+ if (!silc_server_client_on_channel(client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
- /* Get entry to the channel user list */
- silc_hash_table_find(channel->user_list, client, NULL, (void *)&chl);
-
/* Check that client has rights to change any requested channel modes */
- if (!silc_server_check_cmode_rights(channel, chl, mode_mask)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ if (set_mask && !silc_server_check_cmode_rights(server, channel, chl,
+ mode_mask)) {
+ SILC_LOG_DEBUG(("Client does not have rights to change mode"));
+ silc_server_command_send_status_reply(
+ cmd, SILC_COMMAND_CMODE,
+ (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP) ?
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV :
+ SILC_STATUS_ERR_NO_CHANNEL_FOPRIV), 0);
+ goto out;
+ }
+
+ /* If mode mask was not sent as argument then merely return the current
+ mode mask to the sender. */
+ if (!set_mask) {
+ unsigned char m[4];
+ SILC_PUT32_MSB(channel->mode, m);
+ packet = silc_command_reply_payload_encode_va(SILC_COMMAND_CMODE,
+ SILC_STATUS_OK, 0, ident, 2,
+ 2, tmp_id, tmp_len2,
+ 3, m, sizeof(m));
+ silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
+ packet->data, packet->len, FALSE);
+ silc_buffer_free(packet);
goto out;
}
/* The mode is removed and we need to generate and distribute
new channel key. Clients are not using private channel keys
anymore after this. */
-
+
/* Re-generate channel key */
if (!silc_server_create_channel_key(server, channel, 0))
goto out;
-
+
/* Send the channel key. This sends it to our local clients and if
we are normal server to our router as well. */
silc_server_send_channel_key(server, NULL, channel,
server->server_type == SILC_ROUTER ?
FALSE : !server->standalone);
- cipher = channel->channel_key->cipher->name;
+ cipher = (char *)silc_cipher_get_name(channel->channel_key);
hmac = (char *)silc_hmac_get_name(channel->hmac);
}
}
-
+
if (mode_mask & SILC_CHANNEL_MODE_ULIMIT) {
/* User limit is set on channel */
- uint32 user_limit;
+ SilcUInt32 user_limit;
/* Get user limit */
tmp = silc_argument_get_arg_type(cmd->args, 3, NULL);
if (!tmp) {
if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
goto out;
}
} else {
tmp = silc_argument_get_arg_type(cmd->args, 4, NULL);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
goto out;
}
/* Save the passphrase */
- passphrase = channel->passphrase = strdup(tmp);
+ passphrase = channel->passphrase = silc_memdup(tmp, strlen(tmp));
}
} else {
if (channel->mode & SILC_CHANNEL_MODE_PASSPHRASE) {
/* Passphrase mode is unset. remove the passphrase */
- if (channel->passphrase) {
- silc_free(channel->passphrase);
- channel->passphrase = NULL;
- }
+ silc_free(channel->passphrase);
+ channel->passphrase = NULL;
}
}
cipher = silc_argument_get_arg_type(cmd->args, 5, NULL);
if (!cipher) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
goto out;
}
/* Delete old cipher and allocate the new one */
if (!silc_cipher_alloc(cipher, &newkey)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
goto out;
}
/* Delete old cipher and allocate default one */
if (!silc_cipher_alloc(cipher ? cipher : SILC_DEFAULT_CIPHER, &newkey)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
goto out;
}
hmac = silc_argument_get_arg_type(cmd->args, 6, NULL);
if (!hmac) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
goto out;
}
/* Delete old hmac and allocate the new one */
if (!silc_hmac_alloc(hmac, NULL, &newhmac)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
goto out;
}
silc_hmac_free(channel->hmac);
if (!silc_hmac_alloc(hmac ? hmac : SILC_DEFAULT_HMAC, NULL, &newhmac)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
+ SILC_STATUS_ERR_UNKNOWN_ALGORITHM, 0);
goto out;
}
if (mode_mask & SILC_CHANNEL_MODE_FOUNDER_AUTH) {
if (chl->mode & SILC_CHANNEL_UMODE_CHANFO) {
- if (!(channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH)) {
- /* Set the founder authentication */
- SilcAuthPayload auth;
-
- tmp = silc_argument_get_arg_type(cmd->args, 7, &tmp_len);
- if (!tmp) {
+ /* Check if the founder public key was received */
+ founder_key = idata->public_key;
+ tmp = silc_argument_get_arg_type(cmd->args, 8, &tmp_len);
+ if (tmp) {
+ if (!silc_pkcs_public_key_payload_decode(tmp, tmp_len, &founder_key)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
goto out;
}
+ } else {
+ /* If key was not sent and the channel mode has already founder
+ then the key was not to be changed. */
+ if (channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH)
+ goto has_founder;
+ }
- auth = silc_auth_payload_parse(tmp, tmp_len);
- if (!auth) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
- }
+ /* Set the founder authentication */
+ tmp = silc_argument_get_arg_type(cmd->args, 7, &tmp_len);
+ if (!tmp) {
+ silc_server_command_send_status_reply(
+ cmd, SILC_COMMAND_CMODE,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS, 0);
+ goto out;
+ }
- /* Save the public key */
- tmp = silc_pkcs_public_key_encode(idata->public_key, &tmp_len);
- silc_pkcs_public_key_decode(tmp, tmp_len, &channel->founder_key);
- silc_free(tmp);
-
- channel->founder_method = silc_auth_get_method(auth);
-
- if (channel->founder_method == SILC_AUTH_PASSWORD) {
- tmp = silc_auth_get_data(auth, &tmp_len);
- channel->founder_passwd =
- silc_calloc(tmp_len + 1, sizeof(*channel->founder_passwd));
- memcpy(channel->founder_passwd, tmp, tmp_len);
- channel->founder_passwd_len = tmp_len;
- } else {
- /* Verify the payload before setting the mode */
- if (!silc_auth_verify(auth, channel->founder_method,
- channel->founder_key, 0, idata->hash,
- client->id, SILC_ID_CLIENT)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
- SILC_STATUS_ERR_AUTH_FAILED);
- goto out;
- }
- }
+ /* Verify the payload before setting the mode */
+ if (!silc_auth_verify_data(tmp, tmp_len, SILC_AUTH_PUBLIC_KEY,
+ founder_key, 0, server->sha1hash,
+ client->id, SILC_ID_CLIENT)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
+ goto out;
+ }
+
+ /* Save the public key */
+ if (channel->founder_key)
+ silc_pkcs_public_key_free(channel->founder_key);
+ if (silc_argument_get_arg_type(cmd->args, 8, NULL))
+ channel->founder_key = founder_key;
+ else
+ channel->founder_key = silc_pkcs_public_key_copy(founder_key);
+ if (!channel->founder_key) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
+ goto out;
+ }
- silc_auth_payload_free(auth);
+ fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
+ if (!fkey) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
+ silc_pkcs_public_key_free(channel->founder_key);
+ channel->founder_key = NULL;
+ goto out;
}
+ has_founder:
}
} else {
if (chl->mode & SILC_CHANNEL_UMODE_CHANFO) {
if (channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) {
if (channel->founder_key)
silc_pkcs_public_key_free(channel->founder_key);
- if (channel->founder_passwd) {
- silc_free(channel->founder_passwd);
- channel->founder_passwd = NULL;
- }
+ channel->founder_key = NULL;
}
}
}
/* Finally, set the mode */
- channel->mode = mode_mask;
+ old_mask = channel->mode = mode_mask;
/* Send CMODE_CHANGE notify. */
cidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
- SILC_NOTIFY_TYPE_CMODE_CHANGE, 5,
+ SILC_NOTIFY_TYPE_CMODE_CHANGE, 6,
cidp->data, cidp->len,
tmp_mask, 4,
cipher, cipher ? strlen(cipher) : 0,
hmac, hmac ? strlen(hmac) : 0,
passphrase, passphrase ?
- strlen(passphrase) : 0);
+ strlen(passphrase) : 0,
+ fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
/* Set CMODE notify type to network */
- if (!server->standalone)
- silc_server_send_notify_cmode(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
- mode_mask, client->id, SILC_ID_CLIENT,
- cipher, hmac, passphrase);
+ silc_server_send_notify_cmode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
+ mode_mask, client->id, SILC_ID_CLIENT,
+ cipher, hmac, passphrase, founder_key);
/* Send command reply to sender */
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_CMODE,
- SILC_STATUS_OK, ident, 2,
+ SILC_STATUS_OK, 0, ident, 3,
2, tmp_id, tmp_len2,
- 3, tmp_mask, 4);
+ 3, tmp_mask, 4,
+ 4, fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
-
+
silc_buffer_free(packet);
- silc_free(channel_id);
silc_buffer_free(cidp);
out:
+ channel->mode = old_mask;
+ silc_buffer_free(fkey);
+ silc_free(channel_id);
silc_server_command_free(cmd);
}
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
- SilcIDListData idata = (SilcIDListData)client;
- SilcChannelID *channel_id;
- SilcClientID *client_id;
+ SilcChannelID *channel_id = NULL;
+ SilcClientID *client_id = NULL;
SilcChannelEntry channel;
SilcClientEntry target_client;
SilcChannelClientEntry chl;
SilcBuffer packet, idp;
unsigned char *tmp_id, *tmp_ch_id, *tmp_mask;
- uint32 target_mask, sender_mask = 0, tmp_len, tmp_ch_len;
+ SilcUInt32 target_mask, sender_mask = 0, tmp_len, tmp_ch_len;
int notify = FALSE;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ SilcPublicKey founder_key = NULL;
+ SilcBuffer fkey = NULL;
+
+ if (!client)
+ goto out;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_CUMODE, cmd, 3, 4);
tmp_ch_id = silc_argument_get_arg_type(cmd->args, 1, &tmp_ch_len);
if (!tmp_ch_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
- channel_id = silc_id_payload_parse_id(tmp_ch_id, tmp_ch_len);
+ channel_id = silc_id_payload_parse_id(tmp_ch_id, tmp_ch_len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Check whether sender is on the channel */
- if (!silc_server_client_on_channel(client, channel)) {
+ if (!silc_server_client_on_channel(client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
-
- /* Check that client has rights to change other's rights */
- silc_hash_table_find(channel->user_list, client, NULL, (void *)&chl);
sender_mask = chl->mode;
/* Get the target client's channel 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_CUMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
SILC_GET32_MSB(target_mask, tmp_mask);
tmp_id = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
if (!tmp_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CLIENT_ID);
+ SILC_STATUS_ERR_NO_CLIENT_ID, 0);
goto out;
}
- client_id = silc_id_payload_parse_id(tmp_id, tmp_len);
+ client_id = silc_id_payload_parse_id(tmp_id, tmp_len, NULL);
if (!client_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CLIENT_ID);
+ SILC_STATUS_ERR_NO_CLIENT_ID, 0);
goto out;
}
!(sender_mask & SILC_CHANNEL_UMODE_CHANFO) &&
!(sender_mask & SILC_CHANNEL_UMODE_CHANOP)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV, 0);
goto out;
}
/* Check whether target client is on the channel */
if (target_client != client) {
- if (!silc_server_client_on_channel(target_client, channel)) {
+ if (!silc_server_client_on_channel(target_client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_USER_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_USER_NOT_ON_CHANNEL, 0);
goto out;
}
-
- /* Get entry to the channel user list */
- silc_hash_table_find(channel->user_list, target_client, NULL,
- (void *)&chl);
}
/*
/* If the target client is founder, no one else can change their mode
but themselves. */
- if (chl->mode & SILC_CHANNEL_UMODE_CHANFO && chl->client != target_client) {
+ if (chl->mode & SILC_CHANNEL_UMODE_CHANFO && client != target_client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_YOU);
+ SILC_STATUS_ERR_NO_CHANNEL_FOPRIV,
+ 0);
goto out;
}
if (target_mask & SILC_CHANNEL_UMODE_CHANFO) {
+ if (target_client != client) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NOT_YOU, 0);
+ goto out;
+ }
+
if (!(chl->mode & SILC_CHANNEL_UMODE_CHANFO)) {
/* The client tries to claim the founder rights. */
unsigned char *tmp_auth;
- uint32 tmp_auth_len, auth_len;
- void *auth;
+ SilcUInt32 tmp_auth_len;
+ SilcChannelClientEntry chl2;
+ SilcHashTableList htl;
+
+ if (!(channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) ||
+ !channel->founder_key) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
+ goto out;
+ }
+
+ tmp_auth = silc_argument_get_arg_type(cmd->args, 4, &tmp_auth_len);
+ if (!tmp_auth) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
+ goto out;
+ }
+
+ /* Verify the authentication payload */
+ if (!silc_auth_verify_data(tmp_auth, tmp_auth_len, SILC_AUTH_PUBLIC_KEY,
+ channel->founder_key, 0, server->sha1hash,
+ client->id, SILC_ID_CLIENT)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
+ goto out;
+ }
+
+ notify = TRUE;
+ founder_key = channel->founder_key;
+ fkey = silc_pkcs_public_key_payload_encode(founder_key);
+ if (!fkey) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
+ goto out;
+ }
+
+ /* There cannot be anyone else as founder on the channel now. This
+ client is definitely the founder due to this authentication */
+ silc_hash_table_list(channel->user_list, &htl);
+ while (silc_hash_table_get(&htl, NULL, (void *)&chl2))
+ if (chl2->mode & SILC_CHANNEL_UMODE_CHANFO) {
+ chl2->mode &= ~SILC_CHANNEL_UMODE_CHANFO;
+ silc_server_force_cumode_change(server, NULL, channel, chl2,
+ chl2->mode);
+ break;
+ }
+ silc_hash_table_list_reset(&htl);
+
+ sender_mask = chl->mode |= SILC_CHANNEL_UMODE_CHANFO;
+ }
+ } else {
+ if (chl->mode & SILC_CHANNEL_UMODE_CHANFO) {
+ if (target_client == client) {
+ /* Remove channel founder rights from itself */
+ chl->mode &= ~SILC_CHANNEL_UMODE_CHANFO;
+ notify = TRUE;
+ } else {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NOT_YOU, 0);
+ goto out;
+ }
+ }
+ }
+
+ if (target_mask & SILC_CHANNEL_UMODE_CHANOP) {
+ /* Promote to operator */
+ if (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP)) {
+ if (!(sender_mask & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(sender_mask & SILC_CHANNEL_UMODE_CHANFO)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV,
+ 0);
+ goto out;
+ }
+
+ chl->mode |= SILC_CHANNEL_UMODE_CHANOP;
+ notify = TRUE;
+ }
+ } else {
+ if (chl->mode & SILC_CHANNEL_UMODE_CHANOP) {
+ if (!(sender_mask & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(sender_mask & SILC_CHANNEL_UMODE_CHANFO)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV,
+ 0);
+ goto out;
+ }
+ /* Demote to normal user */
+ chl->mode &= ~SILC_CHANNEL_UMODE_CHANOP;
+ notify = TRUE;
+ }
+ }
+
+ if (target_mask & SILC_CHANNEL_UMODE_BLOCK_MESSAGES) {
+ if (target_client != client) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NOT_YOU, 0);
+ goto out;
+ }
+
+ if (!(chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES)) {
+ chl->mode |= SILC_CHANNEL_UMODE_BLOCK_MESSAGES;
+ notify = TRUE;
+ }
+ } else {
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES) {
if (target_client != client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_YOU);
+ SILC_STATUS_ERR_NOT_YOU, 0);
goto out;
}
- if (!(channel->mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) ||
- !channel->founder_key || !idata->public_key ||
- !silc_pkcs_public_key_compare(channel->founder_key,
- idata->public_key)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_YOU);
- goto out;
- }
+ chl->mode &= ~SILC_CHANNEL_UMODE_BLOCK_MESSAGES;
+ notify = TRUE;
+ }
+ }
- tmp_auth = silc_argument_get_arg_type(cmd->args, 4, &tmp_auth_len);
- if (!tmp_auth) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
- }
+ if (target_mask & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS) {
+ if (target_client != client) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NOT_YOU, 0);
+ goto out;
+ }
- auth = (channel->founder_method == SILC_AUTH_PASSWORD ?
- (void *)channel->founder_passwd : (void *)channel->founder_key);
- auth_len = (channel->founder_method == SILC_AUTH_PASSWORD ?
- channel->founder_passwd_len : 0);
-
- if (!silc_auth_verify_data(tmp_auth, tmp_auth_len,
- channel->founder_method, auth, auth_len,
- idata->hash, client->id, SILC_ID_CLIENT)) {
+ if (!(chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS)) {
+ chl->mode |= SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS;
+ notify = TRUE;
+ }
+ } else {
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS) {
+ if (target_client != client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_AUTH_FAILED);
+ SILC_STATUS_ERR_NOT_YOU, 0);
goto out;
}
-
- sender_mask = chl->mode |= SILC_CHANNEL_UMODE_CHANFO;
+
+ chl->mode &= ~SILC_CHANNEL_UMODE_BLOCK_MESSAGES_USERS;
+ notify = TRUE;
+ }
+ }
+
+ if (target_mask & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS) {
+ if (target_client != client) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NOT_YOU, 0);
+ goto out;
+ }
+
+ if (!(chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS)) {
+ chl->mode |= SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS;
notify = TRUE;
}
} else {
- if (chl->mode & SILC_CHANNEL_UMODE_CHANFO) {
- if (target_client == client) {
- /* Remove channel founder rights from itself */
- chl->mode &= ~SILC_CHANNEL_UMODE_CHANFO;
- notify = TRUE;
- } else {
+ if (chl->mode & SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS) {
+ if (target_client != client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NOT_YOU);
+ SILC_STATUS_ERR_NOT_YOU, 0);
goto out;
}
+
+ chl->mode &= ~SILC_CHANNEL_UMODE_BLOCK_MESSAGES_ROBOTS;
+ notify = TRUE;
}
}
- if (target_mask & SILC_CHANNEL_UMODE_CHANOP) {
- /* Promote to operator */
- if (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP)) {
- if (!(sender_mask & SILC_CHANNEL_UMODE_CHANOP) &&
- !(sender_mask & SILC_CHANNEL_UMODE_CHANFO)) {
+ if (target_mask & SILC_CHANNEL_UMODE_QUIET) {
+ if (!(chl->mode & SILC_CHANNEL_UMODE_QUIET)) {
+ if (client == target_client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ SILC_STATUS_ERR_PERM_DENIED, 0);
goto out;
}
-
- chl->mode |= SILC_CHANNEL_UMODE_CHANOP;
+ chl->mode |= SILC_CHANNEL_UMODE_QUIET;
notify = TRUE;
}
} else {
- if (chl->mode & SILC_CHANNEL_UMODE_CHANOP) {
- if (!(sender_mask & SILC_CHANNEL_UMODE_CHANOP) &&
- !(sender_mask & SILC_CHANNEL_UMODE_CHANFO)) {
+ if (chl->mode & SILC_CHANNEL_UMODE_QUIET) {
+ if (client == target_client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ SILC_STATUS_ERR_PERM_DENIED, 0);
goto out;
}
-
- /* Demote to normal user */
- chl->mode &= ~SILC_CHANNEL_UMODE_CHANOP;
+ chl->mode &= ~SILC_CHANNEL_UMODE_QUIET;
notify = TRUE;
}
}
/* Send notify to channel, notify only if mode was actually changed. */
if (notify) {
silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
- SILC_NOTIFY_TYPE_CUMODE_CHANGE, 3,
+ SILC_NOTIFY_TYPE_CUMODE_CHANGE, 4,
idp->data, idp->len,
tmp_mask, 4,
- tmp_id, tmp_len);
+ tmp_id, tmp_len,
+ fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
/* Set CUMODE notify type to network */
- if (!server->standalone)
- silc_server_send_notify_cumode(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
- target_mask, client->id,
- SILC_ID_CLIENT,
- target_client->id);
+ silc_server_send_notify_cumode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
+ target_mask, client->id, SILC_ID_CLIENT,
+ target_client->id, founder_key);
}
/* Send command reply to sender */
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_CUMODE,
- SILC_STATUS_OK, ident, 3,
+ SILC_STATUS_OK, 0, ident, 3,
2, tmp_mask, 4,
3, tmp_ch_id, tmp_ch_len,
4, tmp_id, tmp_len);
packet->data, packet->len, FALSE);
silc_buffer_free(packet);
- silc_free(channel_id);
- silc_free(client_id);
silc_buffer_free(idp);
out:
+ silc_free(channel_id);
+ silc_free(client_id);
+ silc_buffer_free(fkey);
silc_server_command_free(cmd);
}
SilcChannelEntry channel;
SilcChannelClientEntry chl;
SilcBuffer idp;
- uint32 tmp_len, target_idp_len;
+ SilcUInt32 tmp_len, target_idp_len;
unsigned char *tmp, *comment, *target_idp;
+ if (!client)
+ goto out;
+
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_LEAVE, cmd, 1, 3);
/* Get Channel ID */
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
- channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Check whether sender is on the channel */
- if (!silc_server_client_on_channel(client, channel)) {
+ if (!silc_server_client_on_channel(client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
/* Check that the kicker is channel operator or channel founder */
- silc_hash_table_find(channel->user_list, client, NULL, (void *)&chl);
- if (chl->mode == SILC_CHANNEL_UMODE_NONE) {
+ if (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP) &&
+ !(chl->mode & SILC_CHANNEL_UMODE_CHANFO)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV, 0);
goto out;
}
target_idp = silc_argument_get_arg_type(cmd->args, 2, &target_idp_len);
if (!target_idp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CLIENT_ID);
+ SILC_STATUS_ERR_NO_CLIENT_ID, 0);
goto out;
}
- client_id = silc_id_payload_parse_id(target_idp, target_idp_len);
+ client_id = silc_id_payload_parse_id(target_idp, target_idp_len, NULL);
if (!client_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CLIENT_ID);
+ SILC_STATUS_ERR_NO_CLIENT_ID, 0);
goto out;
}
client_id, TRUE, NULL);
}
+ /* Check whether target client is on the channel */
+ if (!silc_server_client_on_channel(target_client, channel, &chl)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
+ SILC_STATUS_ERR_USER_NOT_ON_CHANNEL,
+ 0);
+ goto out;
+ }
+
/* Check that the target client is not channel founder. Channel founder
cannot be kicked from the channel. */
- silc_hash_table_find(channel->user_list, target_client, NULL, (void *)&chl);
if (chl->mode & SILC_CHANNEL_UMODE_CHANFO) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_NO_CHANNEL_FOPRIV);
+ SILC_STATUS_ERR_NO_CHANNEL_FOPRIV,
+ 0);
goto out;
}
- /* Check whether target client is on the channel */
- if (!silc_server_client_on_channel(target_client, channel)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_ERR_USER_NOT_ON_CHANNEL);
- goto out;
- }
-
/* Get comment */
tmp_len = 0;
comment = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
/* Send command reply to sender */
silc_server_command_send_status_reply(cmd, SILC_COMMAND_KICK,
- SILC_STATUS_OK);
+ SILC_STATUS_OK, 0);
/* Send KICKED notify to local clients on the channel */
idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
idp->data, idp->len);
silc_buffer_free(idp);
+ /* Send KICKED notify to primary route */
+ silc_server_send_notify_kicked(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
+ target_client->id, client->id, comment);
+
+ /* Remove the client from channel's invite list */
+ if (channel->invite_list && silc_hash_table_count(channel->invite_list)) {
+ SilcBuffer ab =
+ silc_argument_payload_encode_one(NULL, target_idp, target_idp_len, 3);
+ SilcArgumentPayload args =
+ silc_argument_payload_parse(ab->data, ab->len, 1);
+ silc_server_inviteban_process(server, channel->invite_list, 1, args);
+ silc_buffer_free(ab);
+ silc_argument_payload_free(args);
+ }
+
/* Remove the client from the channel. If the channel does not exist
after removing the client then the client kicked itself off the channel
and we don't have to send anything after that. */
target_client, FALSE))
goto out;
- /* Send KICKED notify to primary route */
- if (!server->standalone)
- silc_server_send_notify_kicked(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel,
- target_client->id, comment);
-
if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
/* Re-generate channel key */
if (!silc_server_create_channel_key(server, channel, 0))
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
unsigned char *username, *auth;
- uint32 tmp_len;
- SilcServerConfigSectionAdminConnection *admin;
+ SilcUInt32 tmp_len;
+ SilcServerConfigAdmin *admin;
SilcIDListData idata = (SilcIDListData)client;
+ bool result = FALSE;
+ SilcPublicKey cached_key;
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_OPER, cmd, 1, 2);
-
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
goto out;
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_OPER, cmd, 1, 2);
+
/* Get the username */
username = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!username) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
/* Get the admin configuration */
- admin = silc_server_config_find_admin(server->config, cmd->sock->ip,
+ admin = silc_server_config_find_admin(server, cmd->sock->ip,
username, client->nickname);
if (!admin) {
- admin = silc_server_config_find_admin(server->config, cmd->sock->hostname,
+ admin = silc_server_config_find_admin(server, cmd->sock->hostname,
username, client->nickname);
if (!admin) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
- SILC_STATUS_ERR_AUTH_FAILED);
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
+ SILC_LOG_INFO(("OPER authentication failed for username '%s' by "
+ "nickname '%s' from %s", username,
+ client->nickname, cmd->sock->hostname));
goto out;
}
}
auth = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
if (!auth) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
- /* Verify the authentication data */
- if (!silc_auth_verify_data(auth, tmp_len, admin->auth_meth,
- admin->auth_data, admin->auth_data_len,
- idata->hash, client->id, SILC_ID_CLIENT)) {
+ /* Verify the authentication data. If both passphrase and public key
+ is set then try both of them. */
+ if (admin->passphrase)
+ result = silc_auth_verify_data(auth, tmp_len, SILC_AUTH_PASSWORD,
+ admin->passphrase, admin->passphrase_len,
+ idata->hash, client->id, SILC_ID_CLIENT);
+ if (!result && admin->publickeys) {
+ cached_key = silc_server_get_public_key(server, admin->publickeys);
+ if (!cached_key)
+ goto out;
+ result = silc_auth_verify_data(auth, tmp_len, SILC_AUTH_PUBLIC_KEY,
+ cached_key, 0, idata->hash,
+ client->id, SILC_ID_CLIENT);
+ }
+ if (!result) {
+ /* Authentication failed */
silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
- SILC_STATUS_ERR_AUTH_FAILED);
+ SILC_STATUS_ERR_AUTH_FAILED,
+ 0);
goto out;
}
/* Client is now server operator */
client->mode |= SILC_UMODE_SERVER_OPERATOR;
+ /* Update statistics */
+ if (SILC_IS_LOCAL(client))
+ server->stat.my_server_ops++;
+ if (server->server_type == SILC_ROUTER)
+ server->stat.server_ops++;
+
/* Send UMODE change to primary router */
- if (!server->standalone)
- silc_server_send_notify_umode(server, server->router->connection, TRUE,
- client->id, client->mode);
+ silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), client->id,
+ client->mode);
+
+ /* Check if anyone is watching this nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_UMODE_CHANGE);
/* Send reply to the sender */
silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
- SILC_STATUS_OK);
+ SILC_STATUS_OK, 0);
+
+ out:
+ silc_server_command_free(cmd);
+}
+
+SILC_TASK_CALLBACK(silc_server_command_detach_cb)
+{
+ SilcServer server = app_context;
+ QuitInternal q = (QuitInternal)context;
+ SilcClientID *client_id = (SilcClientID *)q->sock;
+ SilcClientEntry client;
+ SilcSocketConnection sock;
+
+ client = silc_idlist_find_client_by_id(server->local_list, client_id,
+ TRUE, NULL);
+ if (client && client->connection) {
+ sock = client->connection;
+
+ /* If there is pending outgoing data for the client then purge it
+ to the network before closing connection. */
+ silc_server_packet_queue_purge(server, sock);
+
+ /* Close the connection on our side */
+ client->router = NULL;
+ client->connection = NULL;
+ sock->user_data = NULL;
+ silc_server_close_connection(server, sock);
+ }
+
+ silc_free(client_id);
+ silc_free(q);
+}
+
+SILC_TASK_CALLBACK(silc_server_command_detach_timeout)
+{
+ SilcServer server = app_context;
+ QuitInternal q = (QuitInternal)context;
+ SilcClientID *client_id = (SilcClientID *)q->sock;
+ SilcClientEntry client;
+
+ client = silc_idlist_find_client_by_id(server->local_list, client_id,
+ TRUE, NULL);
+ if (client && client->mode & SILC_UMODE_DETACHED) {
+ SILC_LOG_DEBUG(("Detach timeout"));
+ silc_server_free_client_data(server, NULL, client, TRUE,
+ "Detach timeout");
+ }
+
+ silc_free(client_id);
+ 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_OPERATION_ALLOWED,
+ 0);
+ goto out;
+ }
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_DETACH, cmd, 0, 0);
+
+ /* Remove operator privileges, since the client may resume in some
+ other server which to it does not have operator privileges. */
+ SILC_OPER_STATS_UPDATE(client, server, SILC_UMODE_SERVER_OPERATOR);
+ SILC_OPER_STATS_UPDATE(client, router, SILC_UMODE_ROUTER_OPERATOR);
+
+ /* Send the user mode notify to notify that client is detached */
+ client->mode |= SILC_UMODE_DETACHED;
+ client->data.status &= ~SILC_IDLIST_STATUS_RESUMED;
+ client->data.status &= ~SILC_IDLIST_STATUS_NOATTR;
+ client->last_command = 0;
+ client->fast_command = 0;
+ silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), client->id,
+ client->mode);
+ server->stat.my_detached++;
+
+ /* Check if anyone is watching this nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_UMODE_CHANGE);
+
+ q = silc_calloc(1, sizeof(*q));
+ q->sock = silc_id_dup(client->id, SILC_ID_CLIENT);
+ 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->sock = silc_id_dup(client->id, SILC_ID_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, 0);
+
+ out:
+ silc_server_command_free(cmd);
+}
+
+/* Server side of WATCH command. */
+
+SILC_SERVER_CMD_FUNC(watch)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ char *add_nick, *del_nick;
+ SilcUInt32 add_nick_len, del_nick_len, tmp_len;
+ char nick[128 + 1];
+ unsigned char hash[16], *tmp;
+ SilcClientEntry client;
+ SilcClientID *client_id = NULL;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_WATCH, cmd, 1, 3);
+
+ if (server->server_type != SILC_ROUTER && !server->standalone) {
+ if (!cmd->pending) {
+ /* Send the command to router */
+ SilcBuffer tmpbuf;
+ SilcUInt16 old_ident;
+
+ SILC_LOG_DEBUG(("Forwarding WATCH to router"));
+
+ old_ident = silc_command_get_ident(cmd->payload);
+ silc_command_set_ident(cmd->payload, ++server->cmd_ident);
+ tmpbuf = silc_command_payload_encode_payload(cmd->payload);
+
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
+ SILC_PACKET_COMMAND, cmd->packet->flags,
+ tmpbuf->data, tmpbuf->len, TRUE);
+
+ /* Reprocess this packet after received reply from router */
+ silc_server_command_pending(server, SILC_COMMAND_WATCH,
+ silc_command_get_ident(cmd->payload),
+ silc_server_command_watch,
+ silc_server_command_dup(cmd));
+ cmd->pending = TRUE;
+ silc_command_set_ident(cmd->payload, old_ident);
+ silc_buffer_free(tmpbuf);
+ } else if (context2) {
+ /* Received reply from router, just send same data to the client. */
+ SilcServerCommandReplyContext reply = context2;
+ SilcStatus status;
+
+ SILC_LOG_DEBUG(("Received reply to WATCH from router"));
+ silc_command_get_status(reply->payload, &status, NULL);
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH, status,
+ 0);
+ }
+
+ goto out;
+ }
+
+ /* We are router and keep the watch list for local cell */
+
+ /* Get the client ID */
+ tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
+ if (!tmp) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
+ client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+ if (!client_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
+ goto out;
+ }
+
+ /* Get the client entry which must be in local list */
+ client = silc_idlist_find_client_by_id(server->local_list,
+ client_id, TRUE, NULL);
+ if (!client) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
+ goto out;
+ }
+
+ /* Take nickname */
+ add_nick = silc_argument_get_arg_type(cmd->args, 2, &add_nick_len);
+ del_nick = silc_argument_get_arg_type(cmd->args, 3, &del_nick_len);
+ if (!add_nick && !del_nick) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
+
+ if (add_nick && add_nick_len > 128)
+ add_nick[128] = '\0';
+ if (del_nick && del_nick_len > 128)
+ del_nick[128] = '\0';
+
+ memset(nick, 0, sizeof(nick));
+
+ /* Add new nickname to be watched in our cell */
+ if (add_nick) {
+ if (silc_server_name_bad_chars(add_nick, strlen(add_nick)) == TRUE) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_BAD_NICKNAME, 0);
+ goto out;
+ }
+
+ /* Hash the nick, we have the hash saved, not nicks because we can
+ do one to one mapping to the nick from Client ID hash this way. */
+ silc_to_lower(add_nick, nick, sizeof(nick) - 1);
+ silc_hash_make(server->md5hash, nick, strlen(nick), hash);
+
+ /* Check whether this client is already watching this nickname */
+ if (silc_hash_table_find_by_context(server->watcher_list, hash,
+ client, NULL)) {
+ /* Nickname is alredy being watched for this client */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NICKNAME_IN_USE,
+ 0);
+ goto out;
+ }
+
+ /* Get the nickname from the watcher list and use the same key in
+ new entries as well. If key doesn't exist then create it. */
+ if (!silc_hash_table_find(server->watcher_list, hash, (void **)&tmp, NULL))
+ tmp = silc_memdup(hash, CLIENTID_HASH_LEN);
+
+ /* Add the client to the watcher list with the specified nickname hash. */
+ silc_hash_table_add(server->watcher_list, tmp, client);
+ }
+
+ /* Delete nickname from watch list */
+ if (del_nick) {
+ if (silc_server_name_bad_chars(del_nick, strlen(del_nick)) == TRUE) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_BAD_NICKNAME, 0);
+ goto out;
+ }
+
+ /* Hash the nick, we have the hash saved, not nicks because we can
+ do one to one mapping to the nick from Client ID hash this way. */
+ silc_to_lower(del_nick, nick, sizeof(nick) - 1);
+ silc_hash_make(server->md5hash, nick, strlen(nick), hash);
+
+ /* Check that this client is watching for this nickname */
+ if (!silc_hash_table_find_by_context(server->watcher_list, hash,
+ client, (void **)&tmp)) {
+ /* Nickname is alredy being watched for this client */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_ERR_NO_SUCH_NICK, 0);
+ goto out;
+ }
+
+ /* Delete the nickname from the watcher list. */
+ silc_hash_table_del_by_context(server->watcher_list, hash, client);
+
+ /* Now check whether there still exists entries with this key, if not
+ then free the key to not leak memory. */
+ if (!silc_hash_table_find(server->watcher_list, hash, NULL, NULL))
+ silc_free(tmp);
+ }
+
+ /* Distribute the watch list to backup routers too */
+ if (server->backup) {
+ SilcBuffer tmpbuf;
+ silc_command_set_ident(cmd->payload, ++server->cmd_ident);
+ tmpbuf = silc_command_payload_encode_payload(cmd->payload);
+ silc_server_backup_send(server, NULL, SILC_PACKET_COMMAND,
+ cmd->packet->flags, tmpbuf->data, tmpbuf->len,
+ FALSE, TRUE);
+ silc_buffer_free(tmpbuf);
+ }
+
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_WATCH,
+ SILC_STATUS_OK, 0);
out:
+ silc_free(client_id);
silc_server_command_free(cmd);
}
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
unsigned char *username, *auth;
- uint32 tmp_len;
- SilcServerConfigSectionAdminConnection *admin;
+ SilcUInt32 tmp_len;
+ SilcServerConfigAdmin *admin;
SilcIDListData idata = (SilcIDListData)client;
+ bool result = FALSE;
+ SilcPublicKey cached_key;
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_SILCOPER, cmd, 1, 2);
-
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
goto out;
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_SILCOPER, cmd, 1, 2);
+
if (server->server_type != SILC_ROUTER) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_ERR_AUTH_FAILED);
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
goto out;
}
username = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!username) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
/* Get the admin configuration */
- admin = silc_server_config_find_admin(server->config, cmd->sock->ip,
+ admin = silc_server_config_find_admin(server, cmd->sock->ip,
username, client->nickname);
if (!admin) {
- admin = silc_server_config_find_admin(server->config, cmd->sock->hostname,
+ admin = silc_server_config_find_admin(server, cmd->sock->hostname,
username, client->nickname);
if (!admin) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_ERR_AUTH_FAILED);
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
+ SILC_LOG_INFO(("SILCOPER authentication failed for username '%s' by "
+ "nickname '%s' from %s", username,
+ client->nickname, cmd->sock->hostname));
goto out;
}
}
auth = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
if (!auth) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
- /* Verify the authentication data */
- if (!silc_auth_verify_data(auth, tmp_len, admin->auth_meth,
- admin->auth_data, admin->auth_data_len,
- idata->hash, client->id, SILC_ID_CLIENT)) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_ERR_AUTH_FAILED);
+ /* Verify the authentication data. If both passphrase and public key
+ is set then try both of them. */
+ if (admin->passphrase)
+ result = silc_auth_verify_data(auth, tmp_len, SILC_AUTH_PASSWORD,
+ admin->passphrase, admin->passphrase_len,
+ idata->hash, client->id, SILC_ID_CLIENT);
+ if (!result && admin->publickeys) {
+ cached_key = silc_server_get_public_key(server, admin->publickeys);
+ if (!cached_key)
+ goto out;
+ result = silc_auth_verify_data(auth, tmp_len, SILC_AUTH_PUBLIC_KEY,
+ cached_key, 0, idata->hash,
+ client->id, SILC_ID_CLIENT);
+ }
+ if (!result) {
+ /* Authentication failed */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_OPER,
+ SILC_STATUS_ERR_AUTH_FAILED, 0);
goto out;
}
/* Client is now router operator */
client->mode |= SILC_UMODE_ROUTER_OPERATOR;
- /* Send UMODE change to primary router */
- if (!server->standalone)
- silc_server_send_notify_umode(server, server->router->connection, TRUE,
- client->id, client->mode);
-
- /* Send reply to the sender */
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
- SILC_STATUS_OK);
-
- out:
- silc_server_command_free(cmd);
-}
-
-/* Server side command of CONNECT. Connects us to the specified remote
- server or router. */
-
-SILC_SERVER_CMD_FUNC(connect)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- SilcServer server = cmd->server;
- SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
- unsigned char *tmp, *host;
- uint32 tmp_len;
- uint32 port = SILC_PORT;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_CONNECT, cmd, 1, 2);
-
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
- goto out;
-
- /* Check whether client has the permissions. */
- if (client->mode == SILC_UMODE_NONE) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CONNECT,
- SILC_STATUS_ERR_NO_SERVER_PRIV);
- goto out;
- }
-
- if (server->server_type == SILC_ROUTER &&
- client->mode & SILC_UMODE_SERVER_OPERATOR) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CONNECT,
- SILC_STATUS_ERR_NO_ROUTER_PRIV);
- goto out;
- }
-
- /* Get the remote server */
- host = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
- if (!host) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CONNECT,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
- }
+ /* Update statistics */
+ if (SILC_IS_LOCAL(client))
+ server->stat.my_router_ops++;
+ if (server->server_type == SILC_ROUTER)
+ server->stat.router_ops++;
- /* Get port */
- tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
- if (tmp)
- SILC_GET32_MSB(port, tmp);
+ /* Send UMODE change to primary router */
+ silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), client->id,
+ client->mode);
- /* Create the connection. It is done with timeout and is async. */
- silc_server_create_connection(server, host, port);
+ /* Check if anyone is watching this nickname */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_check_watcher_list(server, client, NULL,
+ SILC_NOTIFY_TYPE_UMODE_CHANGE);
/* Send reply to the sender */
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CONNECT,
- SILC_STATUS_OK);
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_SILCOPER,
+ SILC_STATUS_OK, 0);
out:
silc_server_command_free(cmd);
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
SilcServer server = cmd->server;
SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
- SilcBuffer packet;
+ SilcBuffer packet, list, tmp2;
SilcChannelEntry channel;
SilcChannelClientEntry chl;
SilcChannelID *channel_id = NULL;
- unsigned char *id, *add, *del;
- uint32 id_len, tmp_len;
- uint16 ident = silc_command_get_ident(cmd->payload);
-
- if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
+ unsigned char *id, *tmp;
+ SilcUInt32 id_len, len;
+ SilcArgumentPayload args;
+ SilcHashTableList htl;
+ SilcUInt32 type;
+ SilcUInt16 argc = 0, ident = silc_command_get_ident(cmd->payload);
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
goto out;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_BAN, cmd, 0, 3);
/* Get Channel ID */
id = silc_argument_get_arg_type(cmd->args, 1, &id_len);
if (id) {
- channel_id = silc_id_payload_parse_id(id, id_len);
+ channel_id = silc_id_payload_parse_id(id, id_len, NULL);
if (!channel_id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
}
channel_id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Check whether this client is on the channel */
- if (!silc_server_client_on_channel(client, channel)) {
+ if (!silc_server_client_on_channel(client, channel, &chl)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
- /* Get entry to the channel user list */
- silc_hash_table_find(channel->user_list, client, NULL, (void *)&chl);
-
/* The client must be at least channel operator. */
if (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
- SILC_STATUS_ERR_NO_CHANNEL_PRIV);
+ SILC_STATUS_ERR_NO_CHANNEL_PRIV, 0);
goto out;
}
- /* Get the new ban and add it to the ban list */
- add = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
- if (add) {
- if (!channel->ban_list)
- channel->ban_list = silc_calloc(tmp_len + 2, sizeof(*channel->ban_list));
- else
- channel->ban_list = silc_realloc(channel->ban_list,
- sizeof(*channel->ban_list) *
- (tmp_len +
- strlen(channel->ban_list) + 2));
- if (add[tmp_len - 1] == ',')
- add[tmp_len - 1] = '\0';
-
- strncat(channel->ban_list, add, tmp_len);
- strncat(channel->ban_list, ",", 1);
- }
-
- /* Get the ban to be removed and remove it from the list */
- del = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
- if (del && channel->ban_list) {
- char *start, *end, *n;
+ /* Get the ban information */
+ tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
+ if (tmp && len > 2) {
+ /* Parse the arguments to see they are constructed correctly */
+ SILC_GET16_MSB(argc, tmp);
+ args = silc_argument_payload_parse(tmp + 2, len - 2, argc);
+ if (!args) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
- if (!strncmp(channel->ban_list, del, strlen(channel->ban_list) - 1)) {
- silc_free(channel->ban_list);
- channel->ban_list = NULL;
- } else {
- start = strstr(channel->ban_list, del);
- if (start && strlen(start) >= tmp_len) {
- end = start + tmp_len;
- n = silc_calloc(strlen(channel->ban_list) - tmp_len, sizeof(*n));
- strncat(n, channel->ban_list, start - channel->ban_list);
- strncat(n, end + 1, ((channel->ban_list + strlen(channel->ban_list)) -
- end) - 1);
- silc_free(channel->ban_list);
- channel->ban_list = n;
+ /* Get the type of action */
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
+ if (tmp && len == 1) {
+ if (tmp[0] == 0x00) {
+ /* Allocate hash table for ban list if it doesn't exist yet */
+ if (!channel->ban_list)
+ channel->ban_list =
+ silc_hash_table_alloc(0, silc_hash_ptr,
+ NULL, NULL, NULL,
+ silc_server_inviteban_destruct, channel,
+ TRUE);
+
+ /* Check for resource limit */
+ if (silc_hash_table_count(channel->ban_list) > 64) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_BAN,
+ SILC_STATUS_ERR_RESOURCE_LIMIT,
+ 0);
+ goto out;
+ }
}
+
+ /* Now add or delete the information. */
+ silc_server_inviteban_process(server, channel->ban_list,
+ (SilcUInt8)tmp[0], args);
+ }
+ silc_argument_payload_free(args);
+ }
+
+ /* Encode ban list */
+ list = NULL;
+ if (channel->ban_list && silc_hash_table_count(channel->ban_list)) {
+ list = silc_buffer_alloc_size(2);
+ silc_buffer_format(list,
+ SILC_STR_UI_SHORT(silc_hash_table_count(
+ channel->ban_list)),
+ SILC_STR_END);
+ silc_hash_table_list(channel->ban_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&type, (void **)&tmp2)) {
+ if (type == 1)
+ list = silc_argument_payload_encode_one(list, (char *)tmp2,
+ strlen((char *)tmp2), type);
+ else
+ list = silc_argument_payload_encode_one(list, tmp2->data, tmp2->len,
+ type);
}
+ silc_hash_table_list_reset(&htl);
}
/* Send the BAN notify type to our primary router. */
- if (!server->standalone && (add || del))
- silc_server_send_notify_ban(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel, add, del);
+ if (list)
+ silc_server_send_notify_ban(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel,
+ silc_argument_get_arg_type(cmd->args, 2, NULL),
+ list);
/* Send the reply back to the client */
packet =
silc_command_reply_payload_encode_va(SILC_COMMAND_BAN,
- SILC_STATUS_OK, ident, 2,
+ SILC_STATUS_OK, 0, ident, 2,
2, id, id_len,
- 3, channel->ban_list,
- channel->ban_list ?
- strlen(channel->ban_list) - 1 : 0);
+ 3, list ? list->data : NULL,
+ list ? list->len : 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
silc_buffer_free(packet);
+ silc_buffer_free(list);
out:
silc_free(channel_id);
silc_server_command_free(cmd);
}
-/* Server side command of CLOSE. Closes connection to a specified server. */
-
-SILC_SERVER_CMD_FUNC(close)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- SilcServer server = cmd->server;
- SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
- SilcServerEntry server_entry;
- SilcSocketConnection sock;
- unsigned char *tmp;
- uint32 tmp_len;
- unsigned char *name;
- uint32 port = SILC_PORT;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_CLOSE, cmd, 1, 2);
-
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
- goto out;
-
- /* Check whether client has the permissions. */
- if (client->mode == SILC_UMODE_NONE) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CLOSE,
- SILC_STATUS_ERR_NO_SERVER_PRIV);
- goto out;
- }
-
- /* Get the remote server */
- name = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
- if (!name) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CLOSE,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
- goto out;
- }
-
- /* Get port */
- tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
- if (tmp)
- SILC_GET32_MSB(port, tmp);
-
- server_entry = silc_idlist_find_server_by_conn(server->local_list,
- name, port, FALSE, NULL);
- if (!server_entry)
- server_entry = silc_idlist_find_server_by_conn(server->global_list,
- name, port, FALSE, NULL);
- if (!server_entry) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CLOSE,
- SILC_STATUS_ERR_NO_SERVER_ID);
- goto out;
- }
-
- /* Send reply to the sender */
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_CLOSE,
- SILC_STATUS_OK);
-
- /* Close the connection to the server */
- sock = (SilcSocketConnection)server_entry->connection;
-
- /* If we shutdown primary router connection manually then don't trigger
- any reconnect or backup router connections, by setting the router
- to NULL here. */
- if (server->router == server_entry) {
- server->id_entry->router = NULL;
- server->router = NULL;
- server->standalone = TRUE;
- }
- silc_server_free_sock_user_data(server, sock, NULL);
- silc_server_close_connection(server, sock);
-
- out:
- silc_server_command_free(cmd);
-}
-
-/* Server side command of SHUTDOWN. Shutdowns the server and closes all
- active connections. */
-
-SILC_SERVER_CMD_FUNC(shutdown)
-{
- SilcServerCommandContext cmd = (SilcServerCommandContext)context;
- SilcServer server = cmd->server;
- SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
-
- SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_SHUTDOWN, cmd, 0, 0);
-
- if (!client || cmd->sock->type != SILC_SOCKET_TYPE_CLIENT)
- goto out;
-
- /* Check whether client has the permission. */
- if (client->mode == SILC_UMODE_NONE) {
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_SHUTDOWN,
- SILC_STATUS_ERR_NO_SERVER_PRIV);
- goto out;
- }
-
- /* Send reply to the sender */
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_SHUTDOWN,
- SILC_STATUS_OK);
-
- /* Then, gracefully, or not, bring the server down. */
- silc_server_stop(server);
- exit(0);
-
- out:
- silc_server_command_free(cmd);
-}
-
/* Server side command of LEAVE. Removes client from a channel. */
SILC_SERVER_CMD_FUNC(leave)
SilcClientEntry id_entry = (SilcClientEntry)cmd->sock->user_data;
SilcChannelID *id = NULL;
SilcChannelEntry channel;
- uint32 len;
+ SilcUInt32 len;
unsigned char *tmp;
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !id_entry)
+ goto out;
+
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_LEAVE, cmd, 1, 2);
/* Get Channel ID */
tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
- id = silc_id_payload_parse_id(tmp, len);
+ id = silc_id_payload_parse_id(tmp, len, NULL);
if (!id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
channel = silc_idlist_find_channel_by_id(server->global_list, id, NULL);
if (!channel) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Check whether this client is on the channel */
- if (!silc_server_client_on_channel(id_entry, channel)) {
+ if (!silc_server_client_on_channel(id_entry, channel, NULL)) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
- SILC_STATUS_ERR_NOT_ON_CHANNEL);
+ SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
goto out;
}
/* Notify routers that they should remove this client from their list
of clients on the channel. Send LEAVE notify type. */
- if (!server->standalone)
- silc_server_send_notify_leave(server, server->router->connection,
- server->server_type == SILC_ROUTER ?
- TRUE : FALSE, channel, id_entry->id);
+ silc_server_send_notify_leave(server, SILC_PRIMARY_ROUTE(server),
+ SILC_BROADCAST(server), channel, id_entry->id);
- silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
- SILC_STATUS_OK);
+ silc_server_command_send_status_data(cmd, SILC_COMMAND_LEAVE,
+ SILC_STATUS_OK, 0, 2, tmp, len);
/* Remove client from channel */
if (!silc_server_remove_from_one_channel(server, sock, channel, id_entry,
SilcChannelID *id = NULL;
SilcBuffer packet, idp;
unsigned char *channel_id;
- uint32 channel_id_len;
+ SilcUInt32 channel_id_len;
SilcBuffer client_id_list;
SilcBuffer client_mode_list;
unsigned char lc[4];
- uint32 list_count = 0;
- uint16 ident = silc_command_get_ident(cmd->payload);
+ SilcUInt32 list_count = 0;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
char *channel_name;
SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_USERS, cmd, 1, 2);
if (!channel_id && !channel_name) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
goto out;
}
if (channel_id) {
- id = silc_id_payload_parse_id(channel_id, channel_id_len);
+ id = silc_id_payload_parse_id(channel_id, channel_id_len, NULL);
if (!id) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
- SILC_STATUS_ERR_NO_CHANNEL_ID);
+ SILC_STATUS_ERR_BAD_CHANNEL_ID, 0);
goto out;
}
}
channel = silc_idlist_find_channel_by_name(server->local_list,
channel_name, NULL);
- if (!channel || channel->disabled) {
+ if (!channel || (!server->standalone && (channel->disabled ||
+ !channel->users_resolved))) {
if (server->server_type != SILC_ROUTER && !server->standalone &&
!cmd->pending) {
SilcBuffer tmpbuf;
tmpbuf = silc_command_payload_encode_payload(cmd->payload);
/* Send USERS command */
- silc_server_packet_send(server, server->router->connection,
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
if (!channel) {
/* Channel really does not exist */
silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
- SILC_STATUS_ERR_NO_SUCH_CHANNEL);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* 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)) {
- 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_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);
+ SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+ 0);
goto out;
}
}
/* Get the users list */
- silc_server_get_users_on_channel(server, channel, &client_id_list,
- &client_mode_list, &list_count);
+ if (!silc_server_get_users_on_channel(server, channel, &client_id_list,
+ &client_mode_list, &list_count)) {
+ list_count = 0;
+ client_id_list = NULL;
+ client_mode_list = NULL;
+ }
/* List count */
SILC_PUT32_MSB(list_count, lc);
/* Send reply */
idp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_USERS,
- SILC_STATUS_OK, ident, 4,
+ SILC_STATUS_OK, 0, ident, 4,
2, idp->data, idp->len,
3, lc, 4,
- 4, client_id_list->data,
- client_id_list->len,
- 5, client_mode_list->data,
- client_mode_list->len);
+ 4, client_id_list ?
+ client_id_list->data : NULL,
+ client_id_list ?
+ client_id_list->len : 0,
+ 5, client_mode_list ?
+ client_mode_list->data : NULL,
+ client_mode_list ?
+ client_mode_list->len : 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
silc_buffer_free(idp);
silc_buffer_free(packet);
- silc_buffer_free(client_id_list);
- silc_buffer_free(client_mode_list);
+ if (client_id_list)
+ silc_buffer_free(client_id_list);
+ if (client_mode_list)
+ silc_buffer_free(client_mode_list);
silc_free(id);
out:
SilcClientID *client_id = NULL;
SilcServerID *server_id = NULL;
SilcIDPayload idp = NULL;
- uint16 ident = silc_command_get_ident(cmd->payload);
- unsigned char *tmp, *pkdata;
- uint32 tmp_len, pklen;
+ SilcUInt16 ident = silc_command_get_ident(cmd->payload);
+ unsigned char *tmp;
+ SilcUInt32 tmp_len;
SilcBuffer pk = NULL;
SilcIdType id_type;
-
- SILC_LOG_DEBUG(("Start"));
+ SilcPublicKey public_key;
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
if (!tmp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_GETKEY,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
goto out;
}
idp = silc_id_payload_parse(tmp, tmp_len);
if (!idp) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_GETKEY,
- SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
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;
- uint16 old_ident;
+ SilcUInt16 old_ident;
SilcSocketConnection dest_sock;
dest_sock = silc_server_get_client_route(server, NULL, 0,
- client_id, NULL);
+ client_id, NULL, NULL);
if (!dest_sock)
goto out;
if (!client) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_GETKEY,
- SILC_STATUS_ERR_NO_SUCH_CLIENT_ID);
+ SILC_STATUS_ERR_NO_SUCH_CLIENT_ID,
+ 0);
goto out;
}
/* The client is locally connected, just get the public key and
send it back. If they key does not exist then do not send it,
send just OK reply */
- if (!client->data.public_key) {
- pkdata = NULL;
- pklen = 0;
- } else {
- tmp = silc_pkcs_public_key_encode(client->data.public_key, &tmp_len);
- pk = silc_buffer_alloc(4 + tmp_len);
- silc_buffer_pull_tail(pk, SILC_BUFFER_END(pk));
- silc_buffer_format(pk,
- SILC_STR_UI_SHORT(tmp_len),
- SILC_STR_UI_SHORT(SILC_SKE_PK_TYPE_SILC),
- SILC_STR_UI_XNSTRING(tmp, tmp_len),
- SILC_STR_END);
- silc_free(tmp);
- pkdata = pk->data;
- pklen = pk->len;
- }
+ public_key = client->data.public_key;
+ if (public_key)
+ pk = silc_pkcs_public_key_payload_encode(public_key);
} else if (id_type == SILC_ID_SERVER) {
server_id = silc_id_payload_get_id(idp);
(server_entry && !server_entry->data.public_key && !cmd->pending &&
!server->standalone))) {
SilcBuffer tmpbuf;
- uint16 old_ident;
+ SilcUInt16 old_ident;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, ++server->cmd_ident);
tmpbuf = silc_command_payload_encode_payload(cmd->payload);
- silc_server_packet_send(server, server->router->connection,
+ silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
SILC_PACKET_COMMAND, cmd->packet->flags,
tmpbuf->data, tmpbuf->len, TRUE);
silc_server_command_getkey,
silc_server_command_dup(cmd));
cmd->pending = TRUE;
-
silc_command_set_ident(cmd->payload, old_ident);
silc_buffer_free(tmpbuf);
goto out;
if (!server_entry) {
silc_server_command_send_status_reply(cmd, SILC_COMMAND_GETKEY,
- SILC_STATUS_ERR_NO_SUCH_SERVER_ID);
+ SILC_STATUS_ERR_NO_SUCH_SERVER_ID,
+ 0);
goto out;
}
/* If they key does not exist then do not send it, send just OK reply */
- if (!server_entry->data.public_key) {
- pkdata = NULL;
- pklen = 0;
- } else {
- tmp = silc_pkcs_public_key_encode(server_entry->data.public_key,
- &tmp_len);
- pk = silc_buffer_alloc(4 + tmp_len);
- silc_buffer_pull_tail(pk, SILC_BUFFER_END(pk));
- silc_buffer_format(pk,
- SILC_STR_UI_SHORT(tmp_len),
- SILC_STR_UI_SHORT(SILC_SKE_PK_TYPE_SILC),
- SILC_STR_UI_XNSTRING(tmp, tmp_len),
- SILC_STR_END);
- silc_free(tmp);
- pkdata = pk->data;
- pklen = pk->len;
- }
+ public_key = (!server_entry->data.public_key ?
+ (server_entry == server->id_entry ? server->public_key :
+ NULL) : server_entry->data.public_key);
+ if (public_key)
+ pk = silc_pkcs_public_key_payload_encode(public_key);
} else {
goto out;
}
tmp = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
packet = silc_command_reply_payload_encode_va(SILC_COMMAND_GETKEY,
- SILC_STATUS_OK, ident,
- pkdata ? 2 : 1,
+ SILC_STATUS_OK, 0, ident, 2,
2, tmp, tmp_len,
- 3, pkdata, pklen);
+ 3, pk ? pk->data : NULL,
+ pk ? pk->len : 0);
silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0,
packet->data, packet->len, FALSE);
silc_buffer_free(packet);
- if (pk)
- silc_buffer_free(pk);
-
out:
if (idp)
silc_id_payload_free(idp);
+ silc_buffer_free(pk);
silc_free(client_id);
silc_free(server_id);
silc_server_command_free(cmd);
}
+
+
+/* Private range commands, specific to this implementation */
+
+/* Server side command of CONNECT. Connects us to the specified remote
+ server or router. */
+
+SILC_SERVER_CMD_FUNC(connect)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
+ unsigned char *tmp, *host;
+ SilcUInt32 tmp_len;
+ SilcUInt32 port = SILC_PORT;
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_PRIV_CONNECT, cmd, 1, 2);
+
+ /* Check whether client has the permissions. */
+ if (!(client->mode & SILC_UMODE_SERVER_OPERATOR) &&
+ !(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CONNECT,
+ SILC_STATUS_ERR_NO_SERVER_PRIV, 0);
+ goto out;
+ }
+
+ if (server->server_type == SILC_ROUTER && !server->backup_router &&
+ client->mode & SILC_UMODE_SERVER_OPERATOR) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CONNECT,
+ SILC_STATUS_ERR_NO_ROUTER_PRIV, 0);
+ goto out;
+ }
+
+ /* Get the remote server */
+ host = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
+ if (!host) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CONNECT,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
+
+ /* Get port */
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (tmp)
+ SILC_GET32_MSB(port, tmp);
+
+ /* Create the connection. It is done with timeout and is async. */
+ silc_server_create_connection(server, host, port);
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CONNECT,
+ SILC_STATUS_OK, 0);
+
+ out:
+ silc_server_command_free(cmd);
+}
+
+/* Server side command of CLOSE. Closes connection to a specified server. */
+
+SILC_SERVER_CMD_FUNC(close)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
+ SilcServerEntry server_entry;
+ SilcSocketConnection sock;
+ unsigned char *tmp;
+ SilcUInt32 tmp_len;
+ unsigned char *name;
+ SilcUInt32 port = SILC_PORT;
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_PRIV_CLOSE, cmd, 1, 2);
+
+ /* Check whether client has the permissions. */
+ if (!(client->mode & SILC_UMODE_SERVER_OPERATOR) &&
+ !(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CLOSE,
+ SILC_STATUS_ERR_NO_SERVER_PRIV,
+ 0);
+ goto out;
+ }
+
+ /* Get the remote server */
+ name = silc_argument_get_arg_type(cmd->args, 1, &tmp_len);
+ if (!name) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CLOSE,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS,
+ 0);
+ goto out;
+ }
+
+ /* Get port */
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (tmp)
+ SILC_GET32_MSB(port, tmp);
+
+ server_entry = silc_idlist_find_server_by_conn(server->local_list,
+ name, port, FALSE, NULL);
+ if (!server_entry)
+ server_entry = silc_idlist_find_server_by_conn(server->global_list,
+ name, port, FALSE, NULL);
+ if (!server_entry) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CLOSE,
+ SILC_STATUS_ERR_NO_SERVER_ID, 0);
+ goto out;
+ }
+
+ if (server_entry == server->id_entry) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CLOSE,
+ SILC_STATUS_ERR_NO_SERVER_ID, 0);
+ goto out;
+ }
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_CLOSE,
+ SILC_STATUS_OK, 0);
+
+ /* Close the connection to the server */
+ sock = (SilcSocketConnection)server_entry->connection;
+
+ /* If we shutdown primary router connection manually then don't trigger
+ any reconnect or backup router connections, by setting the router
+ to NULL here. */
+ if (server->router == server_entry) {
+ server->id_entry->router = NULL;
+ server->router = NULL;
+ server->standalone = TRUE;
+ }
+ silc_server_free_sock_user_data(server, sock, NULL);
+ silc_server_close_connection(server, sock);
+
+ out:
+ silc_server_command_free(cmd);
+}
+
+/* Server side command of SHUTDOWN. Shutdowns the server and closes all
+ active connections. */
+
+SILC_SERVER_CMD_FUNC(shutdown)
+{
+ SilcServerCommandContext cmd = (SilcServerCommandContext)context;
+ SilcServer server = cmd->server;
+ SilcClientEntry client = (SilcClientEntry)cmd->sock->user_data;
+
+ if (cmd->sock->type != SILC_SOCKET_TYPE_CLIENT || !client)
+ goto out;
+
+ SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_PRIV_SHUTDOWN, cmd, 0, 0);
+
+ /* Check whether client has the permission. */
+ if (!(client->mode & SILC_UMODE_SERVER_OPERATOR) &&
+ !(client->mode & SILC_UMODE_ROUTER_OPERATOR)) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_SHUTDOWN,
+ SILC_STATUS_ERR_NO_SERVER_PRIV,
+ 0);
+ goto out;
+ }
+
+ /* Send reply to the sender */
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_PRIV_SHUTDOWN,
+ SILC_STATUS_OK, 0);
+
+ /* Then, gracefully, or not, bring the server down. */
+ silc_server_stop(server);
+ exit(0);
+
+ out:
+ silc_server_command_free(cmd);
+}
projects / silc.git / blobdiff