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https://github.com/irssi/irssi.git
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99c2aaca4c
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@3324 dbcabf3a-b0e7-0310-adc4-f8d773084564
397 lines
12 KiB
C
397 lines
12 KiB
C
/*
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session.c : irssi
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Copyright (C) 2001 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "module.h"
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#include "signals.h"
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#include "commands.h"
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#include "args.h"
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#include "net-sendbuffer.h"
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#include "pidwait.h"
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#include "lib-config/iconfig.h"
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#include "chat-protocols.h"
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#include "servers.h"
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#include "servers-setup.h"
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#include "channels.h"
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#include "nicklist.h"
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static char *session_file;
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char *irssi_binary = NULL;
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static char **session_args;
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void session_set_binary(const char *path)
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{
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const char *envpath;
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char **paths, **tmp;
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char *str;
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g_free_and_null(irssi_binary);
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if (g_path_is_absolute(path)) {
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/* full path - easy */
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irssi_binary = g_strdup(path);
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return;
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}
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if (strchr(path, G_DIR_SEPARATOR) != NULL) {
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/* relative path */
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str = g_get_current_dir();
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irssi_binary = g_strconcat(str, G_DIR_SEPARATOR_S, path, NULL);
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g_free(str);
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return;
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}
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/* we'll need to find it from path. */
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envpath = g_getenv("PATH");
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if (envpath == NULL) return;
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paths = g_strsplit(envpath, ":", -1);
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for (tmp = paths; *tmp != NULL; tmp++) {
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str = g_strconcat(*tmp, G_DIR_SEPARATOR_S, path, NULL);
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if (access(str, X_OK) == 0) {
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irssi_binary = str;
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break;
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}
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g_free(str);
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}
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g_strfreev(paths);
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}
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void session_upgrade(void)
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{
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if (session_args == NULL)
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return;
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execvp(session_args[0], session_args);
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fprintf(stderr, "exec failed: %s: %s\n",
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session_args[0], g_strerror(errno));
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}
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/* SYNTAX: UPGRADE [<irssi binary path>] */
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static void cmd_upgrade(const char *data)
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{
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CONFIG_REC *session;
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char *session_file, *str;
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if (*data == '\0')
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data = irssi_binary;
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if (data == NULL)
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cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
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/* save the session */
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session_file = g_strdup_printf("%s/session", get_irssi_dir());
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session = config_open(session_file, 0600);
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unlink(session_file);
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signal_emit("session save", 1, session);
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config_write(session, NULL, -1);
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config_close(session);
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/* data may contain some other program as well, like
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/UPGRADE /usr/bin/screen irssi */
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str = g_strdup_printf("%s --noconnect --session=%s --home=%s --config=%s",
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data, session_file, get_irssi_dir(), get_irssi_config());
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session_args = g_strsplit(str, " ", -1);
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g_free(str);
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signal_emit("gui exit", 0);
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}
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static void session_save_nick(CHANNEL_REC *channel, NICK_REC *nick,
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CONFIG_REC *config, CONFIG_NODE *node)
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{
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static char other[2];
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node = config_node_section(node, NULL, NODE_TYPE_BLOCK);
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config_node_set_str(config, node, "nick", nick->nick);
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config_node_set_bool(config, node, "op", nick->op);
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config_node_set_bool(config, node, "halfop", nick->halfop);
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config_node_set_bool(config, node, "voice", nick->voice);
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other[0] = nick->other;
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other[1] = '\0';
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config_node_set_str(config, node, "other", other);
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signal_emit("session save nick", 4, channel, nick, config, node);
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}
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static void session_save_channel_nicks(CHANNEL_REC *channel, CONFIG_REC *config,
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CONFIG_NODE *node)
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{
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GSList *tmp, *nicks;
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node = config_node_section(node, "nicks", NODE_TYPE_LIST);
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nicks = nicklist_getnicks(channel);
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for (tmp = nicks; tmp != NULL; tmp = tmp->next)
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session_save_nick(channel, tmp->data, config, node);
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g_slist_free(nicks);
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}
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static void session_save_channel(CHANNEL_REC *channel, CONFIG_REC *config,
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CONFIG_NODE *node)
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{
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node = config_node_section(node, NULL, NODE_TYPE_BLOCK);
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config_node_set_str(config, node, "name", channel->name);
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config_node_set_str(config, node, "visible_name", channel->visible_name);
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config_node_set_str(config, node, "topic", channel->topic);
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config_node_set_str(config, node, "topic_by", channel->topic_by);
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config_node_set_int(config, node, "topic_time", channel->topic_time);
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config_node_set_str(config, node, "key", channel->key);
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signal_emit("session save channel", 3, channel, config, node);
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}
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static void session_save_server_channels(SERVER_REC *server,
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CONFIG_REC *config,
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CONFIG_NODE *node)
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{
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GSList *tmp;
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/* save channels */
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node = config_node_section(node, "channels", NODE_TYPE_LIST);
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for (tmp = server->channels; tmp != NULL; tmp = tmp->next)
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session_save_channel(tmp->data, config, node);
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}
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static void session_save_server(SERVER_REC *server, CONFIG_REC *config,
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CONFIG_NODE *node)
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{
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int handle;
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node = config_node_section(node, NULL, NODE_TYPE_BLOCK);
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config_node_set_str(config, node, "chat_type",
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chat_protocol_find_id(server->chat_type)->name);
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config_node_set_str(config, node, "address", server->connrec->address);
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config_node_set_int(config, node, "port", server->connrec->port);
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config_node_set_str(config, node, "chatnet", server->connrec->chatnet);
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config_node_set_str(config, node, "password", server->connrec->password);
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config_node_set_str(config, node, "nick", server->nick);
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config_node_set_str(config, node, "version", server->version);
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config_node_set_bool(config, node, "use_ssl", server->connrec->use_ssl);
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config_node_set_str(config, node, "ssl_cert", server->connrec->ssl_cert);
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config_node_set_str(config, node, "ssl_pkey", server->connrec->ssl_pkey);
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config_node_set_bool(config, node, "ssl_verify", server->connrec->ssl_verify);
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config_node_set_str(config, node, "ssl_cafile", server->connrec->ssl_cafile);
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config_node_set_str(config, node, "ssl_capath", server->connrec->ssl_capath);
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handle = g_io_channel_unix_get_fd(net_sendbuffer_handle(server->handle));
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config_node_set_int(config, node, "handle", handle);
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signal_emit("session save server", 3, server, config, node);
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/* fake the server disconnection */
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g_io_channel_unref(net_sendbuffer_handle(server->handle));
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net_sendbuffer_destroy(server->handle, FALSE);
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server->handle = NULL;
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server->connection_lost = TRUE;
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server->no_reconnect = TRUE;
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server_disconnect(server);
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}
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static void session_restore_channel_nicks(CHANNEL_REC *channel,
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CONFIG_NODE *node)
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{
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GSList *tmp;
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/* restore nicks */
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node = config_node_section(node, "nicks", -1);
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if (node != NULL && node->type == NODE_TYPE_LIST) {
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tmp = config_node_first(node->value);
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for (; tmp != NULL; tmp = config_node_next(tmp)) {
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signal_emit("session restore nick", 2,
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channel, tmp->data);
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}
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}
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}
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static void session_restore_channel(SERVER_REC *server, CONFIG_NODE *node)
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{
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CHANNEL_REC *channel;
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const char *name, *visible_name;
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name = config_node_get_str(node, "name", NULL);
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if (name == NULL)
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return;
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visible_name = config_node_get_str(node, "visible_name", NULL);
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channel = CHAT_PROTOCOL(server)->channel_create(server, name, visible_name, TRUE);
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channel->topic = g_strdup(config_node_get_str(node, "topic", NULL));
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channel->topic_by = g_strdup(config_node_get_str(node, "topic_by", NULL));
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channel->topic_time = config_node_get_int(node, "topic_time", 0);
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channel->key = g_strdup(config_node_get_str(node, "key", NULL));
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channel->session_rejoin = TRUE;
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signal_emit("session restore channel", 2, channel, node);
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}
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static void session_restore_server_channels(SERVER_REC *server,
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CONFIG_NODE *node)
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{
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GSList *tmp;
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/* restore channels */
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node = config_node_section(node, "channels", -1);
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if (node != NULL && node->type == NODE_TYPE_LIST) {
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tmp = config_node_first(node->value);
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for (; tmp != NULL; tmp = config_node_next(tmp))
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session_restore_channel(server, tmp->data);
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}
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}
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static void session_restore_server(CONFIG_NODE *node)
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{
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CHAT_PROTOCOL_REC *proto;
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SERVER_CONNECT_REC *conn;
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SERVER_REC *server;
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const char *chat_type, *address, *chatnet, *password, *nick;
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int port, handle;
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chat_type = config_node_get_str(node, "chat_type", NULL);
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address = config_node_get_str(node, "address", NULL);
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port = config_node_get_int(node, "port", 0);
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chatnet = config_node_get_str(node, "chatnet", NULL);
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password = config_node_get_str(node, "password", NULL);
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nick = config_node_get_str(node, "nick", NULL);
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handle = config_node_get_int(node, "handle", -1);
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if (chat_type == NULL || address == NULL || nick == NULL || handle < 0)
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return;
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proto = chat_protocol_find(chat_type);
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if (proto == NULL || proto->not_initialized) {
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if (handle < 0) close(handle);
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return;
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}
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conn = server_create_conn(proto->id, address, port,
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chatnet, password, nick);
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if (conn != NULL) {
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conn->reconnection = TRUE;
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conn->connect_handle = g_io_channel_unix_new(handle);
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server = proto->server_init_connect(conn);
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server->version = g_strdup(config_node_get_str(node, "version", NULL));
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server->session_reconnect = TRUE;
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signal_emit("session restore server", 2, server, node);
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proto->server_connect(server);
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}
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}
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static void sig_session_save(CONFIG_REC *config)
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{
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CONFIG_NODE *node;
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GSList *tmp;
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GString *str;
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/* save servers */
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node = config_node_traverse(config, "(servers", TRUE);
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while (servers != NULL)
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session_save_server(servers->data, config, node);
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/* save pids */
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str = g_string_new(NULL);
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for (tmp = pidwait_get_pids(); tmp != NULL; tmp = tmp->next)
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g_string_sprintfa(str, "%d ", GPOINTER_TO_INT(tmp->data));
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config_node_set_str(config, config->mainnode, "pids", str->str);
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g_string_free(str, TRUE);
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}
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static void sig_session_restore(CONFIG_REC *config)
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{
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CONFIG_NODE *node;
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GSList *tmp;
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char **pids, **pid;
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/* restore servers */
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node = config_node_traverse(config, "(servers", FALSE);
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if (node != NULL) {
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tmp = config_node_first(node->value);
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for (; tmp != NULL; tmp = config_node_next(tmp))
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session_restore_server(tmp->data);
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}
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/* restore pids (so we don't leave zombies) */
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pids = g_strsplit(config_node_get_str(config->mainnode, "pids", ""), " ", -1);
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for (pid = pids; *pid != NULL; pid++)
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pidwait_add(atoi(*pid));
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g_strfreev(pids);
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}
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static void sig_init_finished(void)
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{
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CONFIG_REC *session;
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if (session_file == NULL)
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return;
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session = config_open(session_file, -1);
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if (session == NULL)
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return;
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config_parse(session);
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signal_emit("session restore", 1, session);
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config_close(session);
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unlink(session_file);
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session_file = NULL;
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}
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void session_init(void)
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{
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static struct poptOption options[] = {
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{ "session", 0, POPT_ARG_STRING, &session_file, 0, "Used by /UPGRADE command", "PATH" },
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{ NULL, '\0', 0, NULL }
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};
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session_file = NULL;
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args_register(options);
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command_bind("upgrade", NULL, (SIGNAL_FUNC) cmd_upgrade);
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signal_add("session save", (SIGNAL_FUNC) sig_session_save);
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signal_add("session restore", (SIGNAL_FUNC) sig_session_restore);
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signal_add("session save server", (SIGNAL_FUNC) session_save_server_channels);
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signal_add("session restore server", (SIGNAL_FUNC) session_restore_server_channels);
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signal_add("session save channel", (SIGNAL_FUNC) session_save_channel_nicks);
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signal_add("session restore channel", (SIGNAL_FUNC) session_restore_channel_nicks);
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signal_add("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
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}
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void session_deinit(void)
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{
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g_free_not_null(irssi_binary);
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command_unbind("upgrade", (SIGNAL_FUNC) cmd_upgrade);
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signal_remove("session save", (SIGNAL_FUNC) sig_session_save);
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signal_remove("session restore", (SIGNAL_FUNC) sig_session_restore);
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signal_remove("session save server", (SIGNAL_FUNC) session_save_server_channels);
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signal_remove("session restore server", (SIGNAL_FUNC) session_restore_server_channels);
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signal_remove("session save channel", (SIGNAL_FUNC) session_save_channel_nicks);
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signal_remove("session restore channel", (SIGNAL_FUNC) session_restore_channel_nicks);
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signal_remove("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
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}
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