Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 2001 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*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);
+ return FALSE;
+ }
*client_id_count = 1;
/* Take all ID's from the command packet */
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);
+ (*client_id)[k] = silc_id_payload_parse_id(tmp, len);
+ if ((*client_id)[k] == NULL) {
+ for (i = 0; i < k; i++)
+ silc_free((*client_id)[i]);
+ silc_free(*client_id);
+ return FALSE;
+ }
(*client_id_count)++;
+ k++;
}
}
}
if (!entry->nickname || !entry->username || !entry->userinfo) {
SilcBuffer tmpbuf;
unsigned short old_ident;
+
+ if (!entry->router)
+ continue;
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, silc_rng_get_rn16(server->rng));
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
int ret;
- SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_WHOIS, cmd, 1, 3);
+ SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_WHOIS, cmd, 1, 3328);
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
ret = silc_server_command_whois_from_client(cmd);
SilcBuffer tmpbuf;
unsigned short old_ident;
+ if (!entry->router)
+ continue;
+
old_ident = silc_command_get_ident(cmd->payload);
silc_command_set_ident(cmd->payload, silc_rng_get_rn16(server->rng));
silc_command_set_command(cmd->payload, SILC_COMMAND_WHOIS);
SilcServerCommandContext cmd = (SilcServerCommandContext)context;
int ret;
- SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_IDENTIFY, cmd, 1, 3);
+ SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_IDENTIFY, cmd, 1, 3328);
if (cmd->sock->type == SILC_SOCKET_TYPE_CLIENT)
ret = silc_server_command_identify_from_client(cmd);
/* 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. */
- if (!cmd->server->standalone)
+ if (!server->standalone)
silc_server_send_replace_id(server, server->router->connection,
server->server_type == SILC_SERVER ?
FALSE : TRUE, client->id,
goto out;
}
channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ if (!channel_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_TOPIC,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* Check whether the channel exists */
channel = silc_idlist_find_channel_by_id(server->local_list,
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, channel, TRUE,
+ 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));
goto out;
}
dest_id = silc_id_payload_parse_id(tmp, len);
+ if (!dest_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
+ SILC_STATUS_ERR_NO_CLIENT_ID);
+ goto out;
+ }
/* Get Channel ID */
tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
goto out;
}
channel_id = silc_id_payload_parse_id(tmp, len);
+ if (!channel_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_INVITE,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* Check whether the channel exists */
channel = silc_idlist_find_channel_by_id(server->local_list,
SILC_STATUS_ERR_NO_SERVER_ID);
goto out;
}
- id = silc_id_str2id(tmp, SILC_ID_SERVER);
+ id = silc_id_str2id(tmp, len, SILC_ID_SERVER);
if (!id)
goto out;
SilcBuffer buffer, idp;
SilcPacketContext *packet = silc_packet_context_alloc();
+ SILC_LOG_DEBUG(("Start"));
+
/* Create USERS command packet and process it. */
idp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
buffer = silc_command_payload_encode_va(SILC_COMMAND_USERS, 0, 1,
cmd = silc_calloc(1, sizeof(*cmd));
cmd->payload = silc_command_payload_parse(buffer);
+ if (!cmd->payload) {
+ silc_free(cmd);
+ silc_buffer_free(buffer);
+ silc_buffer_free(idp);
+ silc_packet_context_free(packet);
+ return;
+ }
cmd->args = silc_command_get_args(cmd->payload);
cmd->server = server;
cmd->sock = sock;
silc_server_command_pending(server, SILC_COMMAND_USERS, 0,
silc_server_command_users, (void *)cmd);
cmd->pending = TRUE;
- silc_free(buffer);
- silc_free(idp);
+ silc_buffer_free(buffer);
+ silc_buffer_free(idp);
return;
}
/* Process USERS command. */
silc_server_command_users((void *)cmd);
- silc_free(buffer);
- silc_free(idp);
+ silc_buffer_free(buffer);
+ silc_buffer_free(idp);
silc_packet_context_free(packet);
}
/* Send the channel key. This is broadcasted to the channel but is not
sent to the client who is joining to the channel. */
- silc_server_send_channel_key(server, channel,
+ silc_server_send_channel_key(server, NULL, channel,
server->server_type == SILC_ROUTER ?
FALSE : server->standalone);
if (!cmd->pending) {
/* Send JOIN notify to locally connected clients on the channel */
- silc_server_send_notify_to_channel(server, channel, FALSE,
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
SILC_NOTIFY_TYPE_JOIN, 1,
clidp->data, clidp->len);
goto out;
}
client_id = silc_id_payload_parse_id(tmp, tmp_len);
+ if (!client_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_JOIN,
+ SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+ goto out;
+ }
/* Get cipher name */
cipher = silc_argument_get_arg_type(cmd->args, 4, NULL);
goto out;
}
channel_id = silc_id_payload_parse_id(tmp_id, tmp_len2);
+ 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);
/* Send CMODE_CHANGE notify */
cidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- silc_server_send_notify_to_channel(server, channel, TRUE,
+ silc_server_send_notify_to_channel(server, NULL, channel, TRUE,
SILC_NOTIFY_TYPE_CMODE_CHANGE, 2,
cidp->data, cidp->len,
tmp_mask, tmp_len);
goto out;
}
channel_id = silc_id_payload_parse_id(tmp_id, tmp_len);
+ if (!channel_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* Get channel entry */
channel = silc_idlist_find_channel_by_id(server->local_list,
goto out;
}
client_id = silc_id_payload_parse_id(tmp_id, tmp_len);
+ if (!client_id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_CUMODE,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* Get target client's entry */
target_client = silc_idlist_find_client_by_id(server->local_list,
/* Send notify to channel, notify only if mode was actually changed. */
if (notify) {
idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
- silc_server_send_notify_to_channel(server, channel, TRUE,
+ silc_server_send_notify_to_channel(server, NULL, channel, TRUE,
SILC_NOTIFY_TYPE_CUMODE_CHANGE, 3,
idp->data, idp->len,
tmp_mask, 4, tmp_id, tmp_len);
goto out;
}
id = silc_id_payload_parse_id(tmp, len);
+ if (!id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_LEAVE,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* Get channel entry */
channel = silc_idlist_find_channel_by_id(server->local_list, id, NULL);
unsigned int list_count = 0;
unsigned short ident = silc_command_get_ident(cmd->payload);
- SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_USERS, cmd, 1, 2);
+ SILC_SERVER_COMMAND_CHECK_ARGC(SILC_COMMAND_USERS, cmd, 1, 1);
/* Get Channel ID */
channel_id = silc_argument_get_arg_type(cmd->args, 1, &channel_id_len);
goto out;
}
id = silc_id_payload_parse_id(channel_id, channel_id_len);
+ if (!id) {
+ silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
+ SILC_STATUS_ERR_NO_CHANNEL_ID);
+ goto out;
+ }
/* If we are server and we don't know about this channel we will send
the command to our router. If we know about the channel then we also