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
GNU General Public License for more details.
*/
-/*
- * $Id$
- * $Log$
- * Revision 1.3 2000/07/05 06:14:01 priikone
- * Global costemic changes.
- *
- * Revision 1.2 2000/07/03 05:52:22 priikone
- * Implemented LEAVE command.
- *
- * Revision 1.1.1.1 2000/06/27 11:36:56 priikone
- * Imported from internal CVS/Added Log headers.
- *
- *
- */
+/* $Id$ */
#include "serverincludes.h"
#include "server_internal.h"
#include "command_reply.h"
+/* All functions that call the COMMAND_CHECK_STATUS or the
+ COMMAND_CHECK_STATUS_LIST macros must have out: goto label. */
+
+#define COMMAND_CHECK_STATUS \
+do { \
+ SILC_LOG_DEBUG(("Start")); \
+ SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL)); \
+ if (status != SILC_STATUS_OK) \
+ goto out; \
+} while(0)
+
+#define COMMAND_CHECK_STATUS_LIST \
+do { \
+ SILC_LOG_DEBUG(("Start")); \
+ SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL)); \
+ if (status != SILC_STATUS_OK && \
+ status != SILC_STATUS_LIST_START && \
+ status != SILC_STATUS_LIST_ITEM && \
+ status != SILC_STATUS_LIST_END) \
+ goto out; \
+} while(0)
+
/* Server command reply list. Not all commands have reply function as
they are never sent by server. More maybe added later if need appears. */
SilcServerCommandReply silc_command_reply_list[] =
{
+ SILC_SERVER_CMD_REPLY(whois, WHOIS),
+ SILC_SERVER_CMD_REPLY(whowas, WHOWAS),
+ SILC_SERVER_CMD_REPLY(identify, IDENTIFY),
+ SILC_SERVER_CMD_REPLY(info, INFO),
+ SILC_SERVER_CMD_REPLY(motd, MOTD),
SILC_SERVER_CMD_REPLY(join, JOIN),
+ SILC_SERVER_CMD_REPLY(users, USERS),
+ SILC_SERVER_CMD_REPLY(getkey, GETKEY),
{ NULL, 0 },
};
SilcSocketConnection sock,
SilcBuffer buffer)
{
+ SilcServerCommandReply *cmd;
SilcServerCommandReplyContext ctx;
SilcCommandPayload payload;
+ SilcCommand command;
+ uint16 ident;
+
+ SILC_LOG_DEBUG(("Start"));
/* Get command reply payload from packet */
- payload = silc_command_parse_payload(buffer);
+ payload = silc_command_payload_parse(buffer);
if (!payload) {
/* Silently ignore bad reply packet */
SILC_LOG_DEBUG(("Bad command reply packet"));
command reply routine receiving it. */
ctx = silc_calloc(1, sizeof(*ctx));
ctx->server = server;
- ctx->sock = sock;
+ ctx->sock = silc_socket_dup(sock);
ctx->payload = payload;
+ ctx->args = silc_command_get_args(ctx->payload);
+ ident = silc_command_get_ident(ctx->payload);
/* Check for pending commands and mark to be exeucted */
- SILC_SERVER_COMMAND_CHECK_PENDING(ctx);
-
+ ctx->callbacks =
+ silc_server_command_pending_check(server, ctx,
+ silc_command_get(ctx->payload),
+ ident, &ctx->callbacks_count);
+
/* Execute command reply */
- SILC_SERVER_COMMAND_REPLY_EXEC(ctx);
+ command = silc_command_get(ctx->payload);
+ for (cmd = silc_command_reply_list; cmd->cb; cmd++)
+ if (cmd->cmd == command)
+ break;
+
+ if (cmd == NULL || !cmd->cb) {
+ silc_server_command_reply_free(ctx);
+ return;
+ }
+
+ cmd->cb(ctx, NULL);
}
/* Free command reply context and its internals. */
void silc_server_command_reply_free(SilcServerCommandReplyContext cmd)
{
if (cmd) {
- silc_command_free_payload(cmd->payload);
+ silc_command_payload_free(cmd->payload);
+ if (cmd->sock)
+ silc_socket_free(cmd->sock); /* Decrease the reference counter */
+ silc_free(cmd->callbacks);
silc_free(cmd);
}
}
+/* Caches the received WHOIS information. */
+
+static char
+silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
+{
+ SilcServer server = cmd->server;
+ unsigned char *tmp, *id_data;
+ char *nickname, *username, *realname, *servername = NULL;
+ SilcClientID *client_id;
+ SilcClientEntry client;
+ char global = FALSE;
+ char *nick;
+ uint32 mode = 0, len, id_len;
+
+ id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
+ nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
+ username = silc_argument_get_arg_type(cmd->args, 4, &len);
+ realname = silc_argument_get_arg_type(cmd->args, 5, &len);
+ if (!id_data || !nickname || !username || !realname) {
+ SILC_LOG_ERROR(("Incomplete WHOIS info: %s %s %s",
+ nickname ? nickname : "",
+ username ? username : "",
+ realname ? realname : ""));
+ return FALSE;
+ }
+
+ tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
+ if (tmp)
+ SILC_GET32_MSB(mode, tmp);
+
+ client_id = silc_id_payload_parse_id(id_data, id_len);
+ if (!client_id)
+ return FALSE;
+
+ /* Check if we have this client cached already. */
+
+ client = silc_idlist_find_client_by_id(server->local_list, client_id,
+ FALSE, NULL);
+ if (!client) {
+ client = silc_idlist_find_client_by_id(server->global_list, client_id,
+ FALSE, NULL);
+ global = TRUE;
+ }
+
+ if (!client) {
+ /* If router did not find such Client ID in its lists then this must
+ be bogus client or some router in the net is buggy. */
+ if (server->server_type != SILC_SERVER)
+ return FALSE;
+
+ /* Take hostname out of nick string if it includes it. */
+ silc_parse_userfqdn(nickname, &nick, &servername);
+
+ /* We don't have that client anywhere, add it. The client is added
+ to global list since server didn't have it in the lists so it must be
+ global. */
+ client = silc_idlist_add_client(server->global_list, nick,
+ strdup(username),
+ strdup(realname), client_id,
+ cmd->sock->user_data, NULL);
+ if (!client) {
+ SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
+ return FALSE;
+ }
+
+ client->data.status |=
+ (SILC_IDLIST_STATUS_REGISTERED | SILC_IDLIST_STATUS_RESOLVED);
+ client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
+ client->mode = mode;
+ client->servername = servername;
+ } else {
+ /* We have the client already, update the data */
+
+ SILC_LOG_DEBUG(("Updating client data"));
+
+ /* Take hostname out of nick string if it includes it. */
+ silc_parse_userfqdn(nickname, &nick, &servername);
+
+ /* Remove the old cache entry */
+ silc_idcache_del_by_context(global ? server->global_list->clients :
+ server->local_list->clients, client);
+
+ silc_free(client->nickname);
+ silc_free(client->username);
+ silc_free(client->userinfo);
+ silc_free(client->servername);
+
+ client->nickname = nick;
+ client->username = strdup(username);
+ client->userinfo = strdup(realname);
+ client->servername = servername;
+ client->mode = mode;
+ client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
+ client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
+
+ /* Create new cache entry */
+ silc_idcache_add(global ? server->global_list->clients :
+ server->local_list->clients, nick, client->id,
+ client, FALSE);
+ silc_free(client_id);
+ }
+
+ return TRUE;
+}
+
+/* Reiceved reply for WHOIS command. We sent the whois request to our
+ primary router, if we are normal server, and thus has now received reply
+ to the command. We will figure out what client originally sent us the
+ command and will send the reply to it. If we are router we will figure
+ out who server sent us the command and send reply to that one. */
+
+SILC_SERVER_CMD_REPLY_FUNC(whois)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcCommandStatus status;
+
+ COMMAND_CHECK_STATUS_LIST;
+
+ if (!silc_server_command_reply_whois_save(cmd))
+ goto out;
+
+ /* Pending callbacks are not executed if this was an list entry */
+ if (status != SILC_STATUS_OK &&
+ status != SILC_STATUS_LIST_END) {
+ silc_server_command_reply_free(cmd);
+ return;
+ }
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WHOIS);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_WHOIS);
+ silc_server_command_reply_free(cmd);
+}
+
+/* Caches the received WHOWAS information for a short period of time. */
+
+static char
+silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd)
+{
+ SilcServer server = cmd->server;
+ uint32 len, id_len;
+ unsigned char *id_data;
+ char *nickname, *username, *realname, *servername = NULL;
+ SilcClientID *client_id;
+ SilcClientEntry client;
+ SilcIDCacheEntry cache = NULL;
+ char *nick;
+ int global = FALSE;
+
+ id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
+ nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
+ username = silc_argument_get_arg_type(cmd->args, 4, &len);
+ if (!id_data || !nickname || !username)
+ return FALSE;
+
+ realname = silc_argument_get_arg_type(cmd->args, 5, &len);
+
+ client_id = silc_id_payload_parse_id(id_data, id_len);
+ if (!client_id)
+ return FALSE;
+
+ /* Check if we have this client cached already. */
+
+ client = silc_idlist_find_client_by_id(server->local_list, client_id,
+ FALSE, &cache);
+ if (!client) {
+ client = silc_idlist_find_client_by_id(server->global_list,
+ client_id, FALSE, &cache);
+ global = TRUE;
+ }
+
+ if (!client) {
+ /* If router did not find such Client ID in its lists then this must
+ be bogus client or some router in the net is buggy. */
+ if (server->server_type != SILC_SERVER)
+ return FALSE;
+
+ /* Take hostname out of nick string if it includes it. */
+ silc_parse_userfqdn(nickname, &nick, &servername);
+
+ /* We don't have that client anywhere, add it. The client is added
+ to global list since server didn't have it in the lists so it must be
+ global. */
+ client = silc_idlist_add_client(server->global_list, nick,
+ strdup(username), strdup(realname),
+ silc_id_dup(client_id, SILC_ID_CLIENT),
+ cmd->sock->user_data, NULL);
+ if (!client) {
+ SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
+ return FALSE;
+ }
+
+ client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED;
+ client = silc_idlist_find_client_by_id(server->global_list,
+ client_id, TRUE, &cache);
+ cache->expire = SILC_ID_CACHE_EXPIRE_DEF;
+ client->servername = servername;
+ } else {
+ /* We have the client already, update the data */
+
+ /* Take hostname out of nick string if it includes it. */
+ silc_parse_userfqdn(nickname, &nick, &servername);
+
+ silc_free(client->nickname);
+ silc_free(client->username);
+
+ client->nickname = nick;
+ client->username = strdup(username);
+ client->servername = servername;
+
+ /* Remove the old cache entry and create a new one */
+ silc_idcache_del_by_context(global ? server->global_list->clients :
+ server->local_list->clients, client);
+ silc_idcache_add(global ? server->global_list->clients :
+ server->local_list->clients, nick, client->id,
+ client, FALSE);
+ }
+
+ silc_free(client_id);
+
+ return TRUE;
+}
+
+/* Received reply for WHOWAS command. Cache the client information only for
+ a short period of time. */
+
+SILC_SERVER_CMD_REPLY_FUNC(whowas)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcCommandStatus status;
+
+ COMMAND_CHECK_STATUS_LIST;
+
+ if (!silc_server_command_reply_whowas_save(cmd))
+ goto out;
+
+ /* Pending callbacks are not executed if this was an list entry */
+ if (status != SILC_STATUS_OK &&
+ status != SILC_STATUS_LIST_END) {
+ silc_server_command_reply_free(cmd);
+ return;
+ }
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WHOWAS);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_WHOWAS);
+ silc_server_command_reply_free(cmd);
+}
+
+/* Caches the received IDENTIFY information. */
+
+static char
+silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd)
+{
+ SilcServer server = cmd->server;
+ uint32 len, id_len;
+ unsigned char *id_data;
+ char *name, *info;
+ SilcClientID *client_id = NULL;
+ SilcServerID *server_id = NULL;
+ SilcChannelID *channel_id = NULL;
+ SilcClientEntry client;
+ SilcServerEntry server_entry;
+ SilcChannelEntry channel;
+ char global = FALSE;
+ char *nick = NULL;
+ SilcIDPayload idp = NULL;
+ SilcIdType id_type;
+
+ id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
+ if (!id_data)
+ return FALSE;
+ idp = silc_id_payload_parse_data(id_data, id_len);
+ if (!idp)
+ return FALSE;
+
+ name = silc_argument_get_arg_type(cmd->args, 3, &len);
+ info = silc_argument_get_arg_type(cmd->args, 4, &len);
+
+ id_type = silc_id_payload_get_type(idp);
+
+ switch (id_type) {
+ case SILC_ID_CLIENT:
+ client_id = silc_id_payload_get_id(idp);
+ if (!client_id)
+ goto error;
+
+ SILC_LOG_DEBUG(("Received client information"));
+
+ client = silc_idlist_find_client_by_id(server->local_list,
+ client_id, FALSE, NULL);
+ if (!client) {
+ client = silc_idlist_find_client_by_id(server->global_list, client_id,
+ FALSE, NULL);
+ global = TRUE;
+ }
+ if (!client) {
+ /* If router did not find such Client ID in its lists then this must
+ be bogus client or some router in the net is buggy. */
+ if (server->server_type != SILC_SERVER)
+ goto error;
+
+ /* Take nickname */
+ if (name)
+ silc_parse_userfqdn(name, &nick, NULL);
+
+ /* We don't have that client anywhere, add it. The client is added
+ to global list since server didn't have it in the lists so it must be
+ global. */
+ client = silc_idlist_add_client(server->global_list, nick,
+ info ? strdup(info) : NULL, NULL,
+ client_id, cmd->sock->user_data, NULL);
+ if (!client) {
+ SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
+ goto error;
+ }
+ client->data.status |= SILC_IDLIST_STATUS_REGISTERED;
+ client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
+ client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
+ } else {
+ /* We have the client already, update the data */
+
+ SILC_LOG_DEBUG(("Updating client data"));
+
+ /* Take nickname */
+ if (name) {
+ silc_parse_userfqdn(name, &nick, NULL);
+
+ /* Remove the old cache entry */
+ silc_idcache_del_by_context(global ? server->global_list->clients :
+ server->local_list->clients, client);
+
+ silc_free(client->nickname);
+ client->nickname = nick;
+ }
+
+ if (info) {
+ silc_free(client->username);
+ client->username = strdup(info);
+ }
+
+ client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
+ client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
+
+ if (name) {
+ /* Add new cache entry */
+ silc_idcache_add(global ? server->global_list->clients :
+ server->local_list->clients, nick, client->id,
+ client, FALSE);
+ }
+
+ silc_free(client_id);
+ }
+
+ break;
+
+ case SILC_ID_SERVER:
+ server_id = silc_id_payload_get_id(idp);
+ if (!server_id)
+ goto error;
+
+ SILC_LOG_DEBUG(("Received server information"));
+
+ server_entry = silc_idlist_find_server_by_id(server->local_list,
+ server_id, FALSE, NULL);
+ if (!server_entry)
+ server_entry = silc_idlist_find_server_by_id(server->global_list,
+ server_id, FALSE, NULL);
+ if (!server_entry) {
+ /* If router did not find such Server ID in its lists then this must
+ be bogus server or some router in the net is buggy. */
+ if (server->server_type != SILC_SERVER)
+ goto error;
+
+ /* We don't have that server anywhere, add it. */
+ server_entry = silc_idlist_add_server(server->global_list,
+ strdup(name), 0,
+ server_id, NULL, NULL);
+ if (!server_entry) {
+ silc_free(server_id);
+ goto error;
+ }
+ server_entry->data.status |= SILC_IDLIST_STATUS_REGISTERED;
+ server_entry->data.status |= SILC_IDLIST_STATUS_RESOLVED;
+ server_entry->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
+ server_id = NULL;
+ }
+
+ silc_free(server_id);
+ break;
+
+ case SILC_ID_CHANNEL:
+ channel_id = silc_id_payload_get_id(idp);
+ if (!channel_id)
+ goto error;
+
+ SILC_LOG_DEBUG(("Received channel information"));
+
+ channel = silc_idlist_find_channel_by_id(server->local_list,
+ channel_id, NULL);
+ if (!channel)
+ channel = silc_idlist_find_channel_by_id(server->global_list, channel_id,
+ NULL);
+ if (!channel) {
+ /* If router did not find such Channel ID in its lists then this must
+ be bogus channel or some router in the net is buggy. */
+ if (server->server_type != SILC_SERVER)
+ goto error;
+
+ /* We don't have that server anywhere, add it. */
+ channel = silc_idlist_add_channel(server->global_list, strdup(name),
+ SILC_CHANNEL_MODE_NONE, channel_id,
+ server->router->connection,
+ NULL, NULL);
+ if (!channel) {
+ silc_free(channel_id);
+ goto error;
+ }
+ channel_id = NULL;
+ }
+
+ silc_free(channel_id);
+ break;
+ }
+
+ silc_id_payload_free(idp);
+ return TRUE;
+
+ error:
+ silc_id_payload_free(idp);
+ return FALSE;
+}
+
+/* Received reply for forwarded IDENTIFY command. We have received the
+ requested identify information now and we will cache it. After this we
+ will call the pending command so that the requestee gets the information
+ after all. */
+
+SILC_SERVER_CMD_REPLY_FUNC(identify)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcCommandStatus status;
+
+ COMMAND_CHECK_STATUS_LIST;
+
+ if (!silc_server_command_reply_identify_save(cmd))
+ goto out;
+
+ /* Pending callbacks are not executed if this was an list entry */
+ if (status != SILC_STATUS_OK &&
+ status != SILC_STATUS_LIST_END) {
+ silc_server_command_reply_free(cmd);
+ return;
+ }
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_IDENTIFY);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_IDENTIFY);
+ silc_server_command_reply_free(cmd);
+}
+
+/* Received reply fro INFO command. Cache the server and its information */
+
+SILC_SERVER_CMD_REPLY_FUNC(info)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcServer server = cmd->server;
+ SilcCommandStatus status;
+ SilcServerEntry entry;
+ SilcServerID *server_id;
+ uint32 tmp_len;
+ unsigned char *tmp, *name;
+
+ COMMAND_CHECK_STATUS;
+
+ /* Get Server ID */
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (!tmp)
+ goto out;
+ server_id = silc_id_payload_parse_id(tmp, tmp_len);
+ if (!server_id)
+ goto out;
+
+ /* Get the name */
+ name = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
+ if (tmp_len > 256)
+ goto out;
+
+ entry = silc_idlist_find_server_by_id(server->local_list, server_id,
+ FALSE, NULL);
+ if (!entry) {
+ entry = silc_idlist_find_server_by_id(server->global_list, server_id,
+ FALSE, NULL);
+ if (!entry) {
+ /* Add the server to global list */
+ server_id = silc_id_dup(server_id, SILC_ID_SERVER);
+ entry = silc_idlist_add_server(server->global_list, name, 0,
+ server_id, NULL, NULL);
+ if (!entry) {
+ silc_free(server_id);
+ goto out;
+ }
+ entry->data.status |= SILC_IDLIST_STATUS_REGISTERED;
+ }
+ }
+
+ /* Get the info string */
+ tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
+ if (tmp_len > 256)
+ tmp = NULL;
+
+ entry->server_info = tmp ? strdup(tmp) : NULL;
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_INFO);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_INFO);
+ silc_server_command_reply_free(cmd);
+}
+
+/* Received reply fro MOTD command. */
+
+SILC_SERVER_CMD_REPLY_FUNC(motd)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcServer server = cmd->server;
+ SilcCommandStatus status;
+ SilcServerEntry entry = NULL;
+ SilcServerID *server_id;
+ uint32 tmp_len;
+ unsigned char *tmp;
+
+ COMMAND_CHECK_STATUS;
+
+ /* Get Server ID */
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (!tmp)
+ goto out;
+ server_id = silc_id_payload_parse_id(tmp, tmp_len);
+ if (!server_id)
+ goto out;
+
+ entry = silc_idlist_find_server_by_id(server->local_list, server_id,
+ TRUE, NULL);
+ if (!entry) {
+ entry = silc_idlist_find_server_by_id(server->global_list, server_id,
+ TRUE, NULL);
+ if (!entry)
+ goto out;
+ }
+
+ /* Get the motd */
+ tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
+ if (tmp_len > 256)
+ tmp = NULL;
+
+ entry->motd = tmp;
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_MOTD);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_MOTD);
+ silc_server_command_reply_free(cmd);
+
+ if (entry)
+ entry->motd = NULL;
+}
+
/* Received reply for forwarded JOIN command. Router has created or joined
the client to the channel. We save some channel information locally
for future use. */
{
SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
SilcServer server = cmd->server;
+ SilcIDCacheEntry cache = NULL;
SilcCommandStatus status;
SilcChannelID *id;
- SilcChannelList *entry;
+ SilcClientID *client_id = NULL;
+ SilcChannelEntry entry;
+ SilcHmac hmac = NULL;
+ uint32 id_len, len, list_count;
unsigned char *id_string;
char *channel_name, *tmp;
+ uint32 mode, created;
+ SilcBuffer keyp = NULL, client_id_list = NULL, client_mode_list = NULL;
-#define LCC(x) server->local_list->channel_cache[(x) - 32]
-#define LCCC(x) server->local_list->channel_cache_count[(x) - 32]
+ COMMAND_CHECK_STATUS;
- SILC_LOG_DEBUG(("Start"));
+ /* Get channel name */
+ channel_name = silc_argument_get_arg_type(cmd->args, 2, NULL);
+ if (!channel_name)
+ goto out;
- tmp = silc_command_get_arg_type(cmd->payload, 1, NULL);
- SILC_GET16_MSB(status, tmp);
- if (status != SILC_STATUS_OK)
+ /* Get channel ID */
+ id_string = silc_argument_get_arg_type(cmd->args, 3, &id_len);
+ if (!id_string)
goto out;
- /* Get channel name */
- tmp = silc_command_get_arg_type(cmd->payload, 2, NULL);
+ /* Get client ID */
+ tmp = silc_argument_get_arg_type(cmd->args, 4, &len);
+ if (!tmp)
+ goto out;
+ client_id = silc_id_payload_parse_id(tmp, len);
+ if (!client_id)
+ goto out;
+
+ /* Get mode mask */
+ tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
+ if (!tmp)
+ goto out;
+ SILC_GET32_MSB(mode, tmp);
+
+ /* Get created boolean value */
+ tmp = silc_argument_get_arg_type(cmd->args, 6, NULL);
+ if (!tmp)
+ goto out;
+ SILC_GET32_MSB(created, tmp);
+ if (created != 0 && created != 1)
+ goto out;
+
+ /* Get channel key */
+ tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
+ if (tmp) {
+ keyp = silc_buffer_alloc(len);
+ silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp));
+ silc_buffer_put(keyp, tmp, len);
+ }
+
+ id = silc_id_payload_parse_id(id_string, id_len);
+ if (!id)
+ goto out;
+
+ /* Get hmac */
+ tmp = silc_argument_get_arg_type(cmd->args, 11, NULL);
+ if (tmp) {
+ if (!silc_hmac_alloc(tmp, NULL, &hmac))
+ goto out;
+ }
+
+ /* Get the list count */
+ tmp = silc_argument_get_arg_type(cmd->args, 12, &len);
+ if (!tmp)
+ goto out;
+ SILC_GET32_MSB(list_count, tmp);
+
+ /* Get Client ID list */
+ tmp = silc_argument_get_arg_type(cmd->args, 13, &len);
+ if (!tmp)
+ goto out;
+
+ client_id_list = silc_buffer_alloc(len);
+ silc_buffer_pull_tail(client_id_list, len);
+ silc_buffer_put(client_id_list, tmp, len);
+
+ /* Get client mode list */
+ tmp = silc_argument_get_arg_type(cmd->args, 14, &len);
if (!tmp)
goto out;
+ client_mode_list = silc_buffer_alloc(len);
+ silc_buffer_pull_tail(client_mode_list, len);
+ silc_buffer_put(client_mode_list, tmp, len);
+
+ /* See whether we already have the channel. */
+ entry = silc_idlist_find_channel_by_name(server->local_list,
+ channel_name, &cache);
+ if (!entry) {
+ /* Add new channel */
+
+ SILC_LOG_DEBUG(("Adding new [%s] channel %s id(%s)",
+ (created == 0 ? "existing" : "created"), channel_name,
+ silc_id_render(id, SILC_ID_CHANNEL)));
+
+ /* If the channel is found from global list we must move it to the
+ local list. */
+ entry = silc_idlist_find_channel_by_name(server->global_list,
+ channel_name, &cache);
+ if (entry)
+ silc_idlist_del_channel(server->global_list, entry);
+
+ /* Add the channel to our local list. */
+ entry = silc_idlist_add_channel(server->local_list, strdup(channel_name),
+ SILC_CHANNEL_MODE_NONE, id,
+ server->router, NULL, hmac);
+ if (!entry) {
+ silc_free(id);
+ goto out;
+ }
+ } else {
+ /* The entry exists. */
+ if (cache->id)
+ silc_free(cache->id);
+ entry->id = id;
+ cache->id = entry->id;
+
+ /* Remove the founder auth data if the mode is not set but we have
+ them in the entry */
+ if (!(mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) && entry->founder_key) {
+ silc_pkcs_public_key_free(entry->founder_key);
+ if (entry->founder_passwd) {
+ silc_free(entry->founder_passwd);
+ entry->founder_passwd = NULL;
+ }
+ }
+ }
+
+ if (entry->hmac_name && hmac) {
+ silc_free(entry->hmac_name);
+ entry->hmac_name = strdup(hmac->hmac->name);
+ }
+
+ /* Get the ban list */
+ tmp = silc_argument_get_arg_type(cmd->args, 8, &len);
+ if (tmp) {
+ if (entry->ban_list)
+ silc_free(entry->ban_list);
+ entry->ban_list = silc_calloc(len, sizeof(*entry->ban_list));
+ memcpy(entry->ban_list, tmp, len);
+ }
+
+ /* Get the invite list */
+ tmp = silc_argument_get_arg_type(cmd->args, 9, &len);
+ if (tmp) {
+ if (entry->invite_list)
+ silc_free(entry->invite_list);
+ entry->invite_list = silc_calloc(len, sizeof(*entry->invite_list));
+ memcpy(entry->invite_list, tmp, len);
+ }
+
+ /* Get the topic */
+ tmp = silc_argument_get_arg_type(cmd->args, 10, &len);
+ if (tmp) {
+ if (entry->topic)
+ silc_free(entry->topic);
+ entry->topic = strdup(tmp);
+ }
+
+ /* If channel was not created we know there is global users on the
+ channel. */
+ entry->global_users = (created == 0 ? TRUE : FALSE);
+
+ /* If channel was just created the mask must be zero */
+ if (!entry->global_users && mode) {
+ SILC_LOG_DEBUG(("Buggy router `%s' sent non-zero mode mask for "
+ "new channel, forcing it to zero", cmd->sock->hostname));
+ mode = 0;
+ }
+
+ /* Save channel mode */
+ entry->mode = mode;
+
+ /* Save channel key */
+ if (!(entry->mode & SILC_CHANNEL_MODE_PRIVKEY))
+ silc_server_save_channel_key(server, keyp, entry);
+ if (keyp)
+ silc_buffer_free(keyp);
+
+ /* Save the users to the channel */
+ silc_server_save_users_on_channel(server, cmd->sock, entry,
+ client_id, client_id_list,
+ client_mode_list, list_count);
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_JOIN);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_JOIN);
+ silc_free(client_id);
+ silc_server_command_reply_free(cmd);
+
+ if (client_id_list)
+ silc_buffer_free(client_id_list);
+ if (client_mode_list)
+ silc_buffer_free(client_mode_list);
+}
+
+SILC_SERVER_CMD_REPLY_FUNC(users)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcServer server = cmd->server;
+ SilcCommandStatus status;
+ SilcChannelEntry channel;
+ SilcChannelID *channel_id = NULL;
+ SilcBuffer client_id_list;
+ SilcBuffer client_mode_list;
+ unsigned char *tmp;
+ uint32 tmp_len;
+ uint32 list_count;
+
+ COMMAND_CHECK_STATUS;
+
/* Get channel ID */
- id_string = silc_command_get_arg_type(cmd->payload, 3, NULL);
- if (!id_string)
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+ if (!tmp)
+ goto out;
+ channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+ if (!channel_id)
+ goto out;
+
+ /* Get channel entry */
+ channel = silc_idlist_find_channel_by_id(server->local_list,
+ channel_id, NULL);
+ if (!channel) {
+ channel = silc_idlist_find_channel_by_id(server->global_list,
+ channel_id, NULL);
+ if (!channel) {
+ SilcBuffer idp;
+
+ if (server->server_type != SILC_SERVER)
+ goto out;
+
+ idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
+ silc_server_send_command(server, server->router->connection,
+ SILC_COMMAND_IDENTIFY, ++server->cmd_ident,
+ 1, 5, idp->data, idp->len);
+ silc_buffer_free(idp);
+
+ /* Register pending command callback. After we've received the channel
+ information we will reprocess this command reply by re-calling this
+ USERS command reply callback. */
+ silc_server_command_pending(server, SILC_COMMAND_IDENTIFY,
+ server->cmd_ident,
+ NULL, silc_server_command_reply_users, cmd);
+ return;
+ }
+ }
+
+ /* Get the list count */
+ tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
+ if (!tmp)
goto out;
+ SILC_GET32_MSB(list_count, tmp);
- channel_name = strdup(tmp);
+ /* Get Client ID list */
+ tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
+ if (!tmp)
+ goto out;
- /* Add the channel to our local list. */
- id = silc_id_str2id(id_string, SILC_ID_CHANNEL);
- silc_idlist_add_channel(&server->local_list->channels, channel_name,
- SILC_CHANNEL_MODE_NONE, id,
- server->id_entry->router, NULL, &entry);
- LCCC(channel_name[0]) = silc_idcache_add(&LCC(channel_name[0]),
- LCCC(channel_name[0]),
- channel_name, SILC_ID_CHANNEL,
- (void *)id, (void *)entry);
- entry->global_users = TRUE;
+ client_id_list = silc_buffer_alloc(tmp_len);
+ silc_buffer_pull_tail(client_id_list, tmp_len);
+ silc_buffer_put(client_id_list, tmp, tmp_len);
- /* Execute pending JOIN command so that the client who originally
- wanted to join the channel will be joined after all. */
- SILC_SERVER_COMMAND_EXEC_PENDING(cmd, SILC_COMMAND_JOIN);
+ /* Get client mode list */
+ tmp = silc_argument_get_arg_type(cmd->args, 5, &tmp_len);
+ if (!tmp)
+ goto out;
+
+ client_mode_list = silc_buffer_alloc(tmp_len);
+ silc_buffer_pull_tail(client_mode_list, tmp_len);
+ silc_buffer_put(client_mode_list, tmp, tmp_len);
+
+ /* Save the users to the channel */
+ silc_server_save_users_on_channel(server, cmd->sock, channel, NULL,
+ client_id_list, client_mode_list,
+ list_count);
+
+ silc_buffer_free(client_id_list);
+ silc_buffer_free(client_mode_list);
+
+ out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_USERS);
+ silc_free(channel_id);
+ silc_server_command_reply_free(cmd);
+}
+
+SILC_SERVER_CMD_REPLY_FUNC(getkey)
+{
+ SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+ SilcServer server = cmd->server;
+ SilcCommandStatus status;
+ SilcClientEntry client = NULL;
+ SilcServerEntry server_entry = NULL;
+ SilcClientID *client_id = NULL;
+ SilcServerID *server_id = NULL;
+ SilcSKEPKType type;
+ unsigned char *tmp, *pk;
+ uint32 len;
+ uint16 pk_len;
+ SilcIDPayload idp = NULL;
+ SilcIdType id_type;
+ SilcPublicKey public_key = NULL;
+
+ COMMAND_CHECK_STATUS;
+
+ tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
+ if (!tmp)
+ goto out;
+ idp = silc_id_payload_parse_data(tmp, len);
+ if (!idp)
+ goto out;
+
+ /* Get the public key payload */
+ tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
+ if (!tmp)
+ goto out;
+
+ /* Decode the public key */
+
+ SILC_GET16_MSB(pk_len, tmp);
+ SILC_GET16_MSB(type, tmp + 2);
+ pk = tmp + 4;
+
+ if (type != SILC_SKE_PK_TYPE_SILC)
+ goto out;
+
+ if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key))
+ goto out;
+
+ id_type = silc_id_payload_get_type(idp);
+ if (id_type == SILC_ID_CLIENT) {
+ client_id = silc_id_payload_get_id(idp);
+
+ client = silc_idlist_find_client_by_id(server->local_list, client_id,
+ TRUE, NULL);
+ if (!client) {
+ client = silc_idlist_find_client_by_id(server->global_list,
+ client_id, TRUE, NULL);
+ if (!client)
+ goto out;
+ }
+
+ client->data.public_key = public_key;
+ } else if (id_type == SILC_ID_SERVER) {
+ server_id = silc_id_payload_get_id(idp);
+
+ server_entry = silc_idlist_find_server_by_id(server->local_list, server_id,
+ TRUE, NULL);
+ if (!server_entry) {
+ server_entry = silc_idlist_find_server_by_id(server->global_list,
+ server_id, TRUE, NULL);
+ if (!server_entry)
+ goto out;
+ }
+
+ server_entry->data.public_key = public_key;
+ } else {
+ goto out;
+ }
out:
+ SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
+ SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_USERS);
+ if (idp)
+ silc_id_payload_free(idp);
+ silc_free(client_id);
+ silc_free(server_id);
+ if (public_key)
+ silc_pkcs_public_key_free(public_key);
silc_server_command_reply_free(cmd);
-#undef LCC
-#undef LCCC
}
projects / silc.git / blobdiff