/*
* Copyright (c) 2003-2006 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* irc-server.c: connection and communication with IRC server */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <pwd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
#endif
#include "../common/weechat.h"
#include "irc.h"
#include "../common/weeconfig.h"
#include "../gui/gui.h"
t_irc_server *irc_servers = NULL;
t_irc_server *last_irc_server = NULL;
t_irc_message *recv_msgq, *msgq_last_msg;
int check_away = 0;
/*
* server_init: init server struct with default values
*/
void
server_init (t_irc_server *server)
{
/* user choices */
server->name = NULL;
server->autoconnect = 0;
server->autoreconnect = 1;
server->autoreconnect_delay = 30;
server->command_line = 0;
server->address = NULL;
server->port = -1;
server->ipv6 = 0;
server->ssl = 0;
server->password = NULL;
server->nick1 = NULL;
server->nick2 = NULL;
server->nick3 = NULL;
server->username = NULL;
server->realname = NULL;
server->command = NULL;
server->command_delay = 1;
server->autojoin = NULL;
server->autorejoin = 0;
server->notify_levels = NULL;
server->charset_decode_iso = NULL;
server->charset_decode_utf = NULL;
server->charset_encode = NULL;
/* internal vars */
server->child_pid = 0;
server->child_read = -1;
server->child_write = -1;
server->sock = -1;
server->is_connected = 0;
server->ssl_connected = 0;
server->unterminated_message = NULL;
server->nick = NULL;
server->reconnect_start = 0;
server->reconnect_join = 0;
server->is_away = 0;
server->away_time = 0;
server->lag = 0;
server->lag_check_time.tv_sec = 0;
server->lag_check_time.tv_usec = 0;
server->lag_next_check = time (NULL) + cfg_irc_lag_check;
server->buffer = NULL;
server->saved_buffer = NULL;
server->channels = NULL;
server->last_channel = NULL;
}
/*
* server_init_with_url: init a server with url of this form:
* irc://nick:pass@irc.toto.org:6667
* returns: 0 = ok
* -1 = invalid syntax
*/
int
server_init_with_url (char *irc_url, t_irc_server *server)
{
char *url, *pos_server, *pos_channel, *pos, *pos2;
int ipv6, ssl;
struct passwd *my_passwd;
server_init (server);
ipv6 = 0;
ssl = 0;
if (strncasecmp (irc_url, "irc6://", 7) == 0)
{
pos = irc_url + 7;
ipv6 = 1;
}
else if (strncasecmp (irc_url, "ircs://", 7) == 0)
{
pos = irc_url + 7;
ssl = 1;
}
else if ((strncasecmp (irc_url, "irc6s://", 8) == 0)
|| (strncasecmp (irc_url, "ircs6://", 8) == 0))
{
pos = irc_url + 8;
ipv6 = 1;
ssl = 1;
}
else if (strncasecmp (irc_url, "irc://", 6) == 0)
{
pos = irc_url + 6;
}
else
return -1;
url = strdup (pos);
pos_server = strchr (url, '@');
if (pos_server)
{
pos_server[0] = '\0';
pos_server++;
if (!pos[0])
{
free (url);
return -1;
}
pos2 = strchr (url, ':');
if (pos2)
{
pos2[0] = '\0';
server->password = strdup (pos2 + 1);
}
server->nick1 = strdup (url);
}
else
{
if ((my_passwd = getpwuid (geteuid ())) != NULL)
server->nick1 = strdup (my_passwd->pw_name);
else
{
fprintf (stderr, "%s: %s (%s).",
WEECHAT_WARNING,
_("Unable to get user's name"),
strerror (errno));
free (url);
return -1;
}
pos_server = url;
}
if (!pos_server[0])
{
free (url);
return -1;
}
pos_channel = strchr (pos_server, '/');
if (pos_channel)
{
pos_channel[0] = '\0';
pos_channel++;
}
pos = strchr (pos_server, ':');
if (pos)
{
pos[0] = '\0';
server->port = atoi (pos + 1);
}
server->name = strdup (pos_server);
server->address = strdup (pos_server);
if (pos_channel && pos_channel[0])
{
if (string_is_channel (pos_channel))
server->autojoin = strdup (pos_channel);
else
{
server->autojoin = (char *) malloc (strlen (pos_channel) + 2);
strcpy (server->autojoin, "#");
strcat (server->autojoin, pos_channel);
}
}
free (url);
server->ipv6 = ipv6;
server->ssl = ssl;
/* some default values */
if (server->port < 0)
server->port = DEFAULT_IRC_PORT;
server->nick2 = (char *) malloc (strlen (server->nick1) + 2);
strcpy (server->nick2, server->nick1);
server->nick2 = strcat (server->nick2, "1");
server->nick3 = (char *) malloc (strlen (server->nick1) + 2);
strcpy (server->nick3, server->nick1);
server->nick3 = strcat (server->nick3, "2");
return 0;
}
/*
* server_alloc: allocate a new server and add it to the servers queue
*/
t_irc_server *
server_alloc ()
{
t_irc_server *new_server;
/* alloc memory for new server */
if ((new_server = (t_irc_server *) malloc (sizeof (t_irc_server))) == NULL)
{
fprintf (stderr, _("%s cannot allocate new server\n"), WEECHAT_ERROR);
return NULL;
}
/* initialize new server */
server_init (new_server);
/* add new server to queue */
new_server->prev_server = last_irc_server;
new_server->next_server = NULL;
if (irc_servers)
last_irc_server->next_server = new_server;
else
irc_servers = new_server;
last_irc_server = new_server;
/* all is ok, return address of new server */
return new_server;
}
/*
* server_destroy: free server data (not struct himself)
*/
void
server_destroy (t_irc_server *server)
{
/* free data */
if (server->name)
free (server->name);
if (server->address)
free (server->address);
if (server->password)
free (server->password);
if (server->nick1)
free (server->nick1);
if (server->nick2)
free (server->nick2);
if (server->nick3)
free (server->nick3);
if (server->username)
free (server->username);
if (server->realname)
free (server->realname);
if (server->command)
free (server->command);
if (server->autojoin)
free (server->autojoin);
if (server->notify_levels)
free (server->notify_levels);
if (server->charset_decode_iso)
free (server->charset_decode_iso);
if (server->charset_decode_utf)
free (server->charset_decode_utf);
if (server->charset_encode)
free (server->charset_encode);
if (server->unterminated_message)
free (server->unterminated_message);
if (server->nick)
free (server->nick);
if (server->channels)
channel_free_all (server);
}
/*
* server_free: free a server and remove it from servers queue
*/
void
server_free (t_irc_server *server)
{
t_irc_server *new_irc_servers;
/* close any opened channel/private */
while (server->channels)
channel_free (server, server->channels);
/* remove server from queue */
if (last_irc_server == server)
last_irc_server = server->prev_server;
if (server->prev_server)
{
(server->prev_server)->next_server = server->next_server;
new_irc_servers = irc_servers;
}
else
new_irc_servers = server->next_server;
if (server->next_server)
(server->next_server)->prev_server = server->prev_server;
server_destroy (server);
free (server);
irc_servers = new_irc_servers;
}
/*
* server_free_all: free all allocated servers
*/
void
server_free_all ()
{
/* for each server in memory, remove it */
while (irc_servers)
server_free (irc_servers);
}
/*
* server_new: creates a new server, and initialize it
*/
t_irc_server *
server_new (char *name, int autoconnect, int autoreconnect, int autoreconnect_delay,
int command_line, char *address, int port, int ipv6, int ssl, char *password,
char *nick1, char *nick2, char *nick3, char *username,
char *realname, char *command, int command_delay, char *autojoin,
int autorejoin, char *notify_levels, char *charset_decode_iso,
char *charset_decode_utf, char *charset_encode)
{
t_irc_server *new_server;
if (!name || !address || (port < 0))
return NULL;
#ifdef DEBUG
weechat_log_printf ("Creating new server (name:%s, address:%s, port:%d, pwd:%s, "
"nick1:%s, nick2:%s, nick3:%s, username:%s, realname:%s, "
"command:%s, autojoin:%s, autorejoin:%s, notify_levels:%s, "
"decode_iso:%s, decode_utf:%s, encode:%s)\n",
name, address, port, (password) ? password : "",
(nick1) ? nick1 : "", (nick2) ? nick2 : "", (nick3) ? nick3 : "",
(username) ? username : "", (realname) ? realname : "",
(command) ? command : "", (autojoin) ? autojoin : "",
(autorejoin) ? "on" : "off", (notify_levels) ? notify_levels : "",
(charset_decode_iso) ? charset_decode_iso : "",
(charset_decode_utf) ? charset_decode_utf : "",
(charset_encode) ? charset_encode : "");
#endif
if ((new_server = server_alloc ()))
{
new_server->name = strdup (name);
new_server->autoconnect = autoconnect;
new_server->autoreconnect = autoreconnect;
new_server->autoreconnect_delay = autoreconnect_delay;
new_server->command_line = command_line;
new_server->address = strdup (address);
new_server->port = port;
new_server->ipv6 = ipv6;
new_server->ssl = ssl;
new_server->password = (password) ? strdup (password) : strdup ("");
new_server->nick1 = (nick1) ? strdup (nick1) : strdup ("weechat_user");
new_server->nick2 = (nick2) ? strdup (nick2) : strdup ("weechat2");
new_server->nick3 = (nick3) ? strdup (nick3) : strdup ("weechat3");
new_server->username =
(username) ? strdup (username) : strdup ("weechat");
new_server->realname =
(realname) ? strdup (realname) : strdup ("realname");
new_server->command =
(command) ? strdup (command) : NULL;
new_server->command_delay = command_delay;
new_server->autojoin =
(autojoin) ? strdup (autojoin) : NULL;
new_server->autorejoin = autorejoin;
new_server->notify_levels =
(notify_levels) ? strdup (notify_levels) : NULL;
new_server->charset_decode_iso =
(charset_decode_iso) ? strdup (charset_decode_iso) : NULL;
new_server->charset_decode_utf =
(charset_decode_utf) ? strdup (charset_decode_utf) : NULL;
new_server->charset_encode =
(charset_encode) ? strdup (charset_encode) : NULL;
}
else
return NULL;
return new_server;
}
/*
* server_get_charset_decode_iso: get decode iso value for server
* if not found for server, look for global
*/
char *
server_get_charset_decode_iso (t_irc_server *server)
{
char *pos, *result;
int length;
if (!server)
return (cfg_look_charset_decode_iso) ?
strdup (cfg_look_charset_decode_iso) : strdup ("");
config_option_list_get_value (&(server->charset_decode_iso),
"server", &pos, &length);
if (pos && (length > 0))
{
result = strdup (pos);
result[length] = '\0';
return result;
}
return (cfg_look_charset_decode_iso) ?
strdup (cfg_look_charset_decode_iso) : strdup ("");
}
/*
* server_get_charset_decode_utf: get decode utf value for server
* if not found for server, look for global
*/
char *
server_get_charset_decode_utf (t_irc_server *server)
{
char *pos, *result;
int length;
if (!server)
return (cfg_look_charset_decode_utf) ?
strdup (cfg_look_charset_decode_utf) : strdup ("");
config_option_list_get_value (&(server->charset_decode_utf),
"server", &pos, &length);
if (pos && (length > 0))
{
result = strdup (pos);
result[length] = '\0';
return result;
}
return (cfg_look_charset_decode_utf) ?
strdup (cfg_look_charset_decode_utf) : strdup ("");
}
/*
* server_get_charset_encode: get encode value for server
* if not found for server, look for global
*/
char *
server_get_charset_encode (t_irc_server *server)
{
char *pos, *result;
int length;
if (!server)
return (cfg_look_charset_encode) ?
strdup (cfg_look_charset_encode) : strdup ("");
config_option_list_get_value (&(server->charset_encode),
"server", &pos, &length);
if (pos && (length > 0))
{
result = strdup (pos);
result[length] = '\0';
return result;
}
return (cfg_look_charset_encode) ?
strdup (cfg_look_charset_encode) : strdup ("");
}
/*
* server_send: send data to IRC server
*/
int
server_send (t_irc_server *server, char *buffer, int size_buf)
{
if (!server)
return -1;
#ifdef HAVE_GNUTLS
if (server->ssl_connected)
return gnutls_record_send (server->gnutls_sess, buffer, size_buf);
else
#endif
return send (server->sock, buffer, size_buf, 0);
}
/*
* server_sendf: send formatted data to IRC server
*/
void
server_sendf (t_irc_server *server, char *fmt, ...)
{
va_list args;
static char buffer[4096];
int size_buf;
if (!server)
return;
va_start (args, fmt);
size_buf = vsnprintf (buffer, sizeof (buffer) - 1, fmt, args);
va_end (args);
if ((size_buf == 0) || (strcmp (buffer, "\r\n") == 0))
return;
buffer[sizeof (buffer) - 1] = '\0';
if ((size_buf < 0) || (size_buf > (int) (sizeof (buffer) - 1)))
size_buf = strlen (buffer);
#ifdef DEBUG
buffer[size_buf - 2] = '\0';
gui_printf (server->buffer, "[DEBUG] Sending to server >>> %s\n", buffer);
buffer[size_buf - 2] = '\r';
#endif
if (server_send (server, buffer, strlen (buffer)) <= 0)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer, _("%s error sending data to IRC server\n"),
WEECHAT_ERROR);
}
}
/*
* server_msgq_add_msg: add a message to received messages queue (at the end)
*/
void
server_msgq_add_msg (t_irc_server *server, char *msg)
{
t_irc_message *message;
if (!server->unterminated_message && !msg[0])
return;
message = (t_irc_message *) malloc (sizeof (t_irc_message));
if (!message)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for received IRC message\n"),
WEECHAT_ERROR);
return;
}
message->server = server;
if (server->unterminated_message)
{
message->data = (char *) malloc (strlen (server->unterminated_message) +
strlen (msg) + 1);
if (!message->data)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for received IRC message\n"),
WEECHAT_ERROR);
}
else
{
strcpy (message->data, server->unterminated_message);
strcat (message->data, msg);
}
free (server->unterminated_message);
server->unterminated_message = NULL;
}
else
message->data = strdup (msg);
message->next_message = NULL;
if (msgq_last_msg)
{
msgq_last_msg->next_message = message;
msgq_last_msg = message;
}
else
{
recv_msgq = message;
msgq_last_msg = message;
}
}
/*
* server_msgq_add_unterminated: add an unterminated message to queue
*/
void
server_msgq_add_unterminated (t_irc_server *server, char *string)
{
if (!string[0])
return;
if (server->unterminated_message)
{
server->unterminated_message =
(char *) realloc (server->unterminated_message,
strlen (server->unterminated_message) +
strlen (string) + 1);
if (!server->unterminated_message)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for received IRC message\n"),
WEECHAT_ERROR);
}
else
strcat (server->unterminated_message, string);
}
else
{
server->unterminated_message = strdup (string);
if (!server->unterminated_message)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for received IRC message\n"),
WEECHAT_ERROR);
}
}
}
/*
* server_msgq_add_buffer: explode received buffer, creating queued messages
*/
void
server_msgq_add_buffer (t_irc_server *server, char *buffer)
{
char *pos_cr, *pos_lf;
while (buffer[0])
{
pos_cr = strchr (buffer, '\r');
pos_lf = strchr (buffer, '\n');
if (!pos_cr && !pos_lf)
{
/* no CR/LF found => add to unterminated and return */
server_msgq_add_unterminated (server, buffer);
return;
}
if (pos_cr && ((!pos_lf) || (pos_lf > pos_cr)))
{
/* found '\r' first => ignore this char */
pos_cr[0] = '\0';
server_msgq_add_unterminated (server, buffer);
buffer = pos_cr + 1;
}
else
{
/* found: '\n' first => terminate message */
pos_lf[0] = '\0';
server_msgq_add_msg (server, buffer);
buffer = pos_lf + 1;
}
}
}
/*
* server_msgq_flush: flush message queue
*/
void
server_msgq_flush ()
{
t_irc_message *next;
char *entire_line, *ptr_data, *pos, *pos2;
char *host, *command, *args;
while (recv_msgq)
{
if (recv_msgq->data)
{
#ifdef DEBUG
gui_printf (gui_current_window->buffer, "[DEBUG] %s\n", recv_msgq->data);
#endif
ptr_data = recv_msgq->data;
entire_line = strdup (ptr_data);
while (ptr_data[0] == ' ')
ptr_data++;
if (ptr_data && ptr_data[0])
{
#ifdef DEBUG
gui_printf (NULL, "[DEBUG] data received from server: %s\n", ptr_data);
#endif
host = NULL;
command = NULL;
args = ptr_data;
if (ptr_data[0] == ':')
{
pos = strchr (ptr_data, ' ');
pos[0] = '\0';
host = ptr_data + 1;
pos++;
}
else
pos = ptr_data;
if (pos && pos[0])
{
while (pos[0] == ' ')
pos++;
pos2 = strchr (pos, ' ');
if (pos2)
{
pos2[0] = '\0';
command = strdup (pos);
pos2++;
while (pos2[0] == ' ')
pos2++;
args = (pos2[0] == ':') ? pos2 + 1 : pos2;
}
}
switch (irc_recv_command (recv_msgq->server, entire_line, host,
command, args))
{
case -1:
irc_display_prefix (recv_msgq->server,
recv_msgq->server->buffer, PREFIX_ERROR);
gui_printf (recv_msgq->server->buffer,
_("%s Command \"%s\" failed!\n"), WEECHAT_ERROR, command);
break;
case -2:
irc_display_prefix (recv_msgq->server,
recv_msgq->server->buffer, PREFIX_ERROR);
gui_printf (recv_msgq->server->buffer,
_("%s No command to execute!\n"), WEECHAT_ERROR);
break;
case -3:
irc_display_prefix (recv_msgq->server,
recv_msgq->server->buffer, PREFIX_ERROR);
gui_printf (recv_msgq->server->buffer,
_("%s Unknown command: cmd=\"%s\", host=\"%s\", args=\"%s\"\n"),
WEECHAT_WARNING, command, host, args);
break;
}
if (command)
free (command);
}
free (entire_line);
free (recv_msgq->data);
}
next = recv_msgq->next_message;
free (recv_msgq);
recv_msgq = next;
if (recv_msgq == NULL)
msgq_last_msg = NULL;
}
}
/*
* server_recv: receive data from an irc server
*/
void
server_recv (t_irc_server *server)
{
static char buffer[4096 + 2];
int num_read;
if (!server)
return;
#ifdef HAVE_GNUTLS
if (server->ssl_connected)
num_read = gnutls_record_recv (server->gnutls_sess, buffer, sizeof (buffer) - 2);
else
#endif
num_read = recv (server->sock, buffer, sizeof (buffer) - 2, 0);
if (num_read > 0)
{
buffer[num_read] = '\0';
server_msgq_add_buffer (server, buffer);
server_msgq_flush ();
}
else
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot read data from socket, disconnecting from server...\n"),
WEECHAT_ERROR);
server_disconnect (server, 1);
}
}
/*
* server_kill_child: kill child process and close pipe
*/
void
server_kill_child (t_irc_server *server)
{
/* kill process */
if (server->child_pid > 0)
{
kill (server->child_pid, SIGKILL);
waitpid (server->child_pid, NULL, 0);
server->child_pid = 0;
}
/* close pipe used with child */
if (server->child_read != -1)
{
close (server->child_read);
server->child_read = -1;
}
if (server->child_write != -1)
{
close (server->child_write);
server->child_write = -1;
}
}
/*
* server_close_connection: close server connection (kill child, close socket/pipes)
*/
void
server_close_connection (t_irc_server *server)
{
server_kill_child (server);
/* close network socket */
if (server->sock != -1)
{
#ifdef HAVE_GNUTLS
if (server->ssl_connected)
gnutls_bye (server->gnutls_sess, GNUTLS_SHUT_RDWR);
#endif
close (server->sock);
server->sock = -1;
#ifdef HAVE_GNUTLS
if (server->ssl_connected)
gnutls_deinit (server->gnutls_sess);
#endif
}
/* free any pending message */
if (server->unterminated_message)
{
free (server->unterminated_message);
server->unterminated_message = NULL;
}
/* server is now disconnected */
server->is_connected = 0;
server->ssl_connected = 0;
}
/*
* server_reconnect_schedule: schedule reconnect for a server
*/
void
server_reconnect_schedule (t_irc_server *server)
{
if (server->autoreconnect)
{
server->reconnect_start = time (NULL);
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer, _("%s: Reconnecting to server in %d seconds\n"),
PACKAGE_NAME, server->autoreconnect_delay);
}
else
server->reconnect_start = 0;
}
/*
* server_child_read: read connection progress from child process
*/
void
server_child_read (t_irc_server *server)
{
char buffer[1];
int num_read;
num_read = read (server->child_read, buffer, sizeof (buffer));
if (num_read != -1)
{
switch (buffer[0])
{
/* connection OK */
case '0':
/* enable SSL if asked */
#ifdef HAVE_GNUTLS
if (server->ssl_connected)
{
gnutls_transport_set_ptr (server->gnutls_sess,
(gnutls_transport_ptr) server->sock);
if (gnutls_handshake (server->gnutls_sess) < 0)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s gnutls handshake failed\n"),
WEECHAT_ERROR);
server_close_connection (server);
server_reconnect_schedule (server);
return;
}
}
#endif
/* kill child and login to server */
server_kill_child (server);
irc_login (server);
break;
/* adress not found */
case '1':
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
if (cfg_proxy_use)
gui_printf (server->buffer,
_("%s proxy address \"%s\" not found\n"),
WEECHAT_ERROR, server->address);
else
gui_printf (server->buffer,
_("%s address \"%s\" not found\n"),
WEECHAT_ERROR, server->address);
server_close_connection (server);
server_reconnect_schedule (server);
break;
/* IP address not found */
case '2':
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
if (cfg_proxy_use)
gui_printf (server->buffer,
_("%s proxy IP address not found\n"), WEECHAT_ERROR);
else
gui_printf (server->buffer,
_("%s IP address not found\n"), WEECHAT_ERROR);
server_close_connection (server);
server_reconnect_schedule (server);
break;
/* connection refused */
case '3':
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
if (cfg_proxy_use)
gui_printf (server->buffer,
_("%s proxy connection refused\n"), WEECHAT_ERROR);
else
gui_printf (server->buffer,
_("%s connection refused\n"), WEECHAT_ERROR);
server_close_connection (server);
server_reconnect_schedule (server);
break;
/* proxy fails to connect to server */
case '4':
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s proxy fails to establish connection to "
"server (check username/password if used)\n"),
WEECHAT_ERROR);
server_close_connection (server);
server_reconnect_schedule (server);
break;
}
}
}
/*
* convbase64_8x3_to_6x4 : convert 3 bytes of 8 bits in 4 bytes of 6 bits
*/
void
convbase64_8x3_to_6x4(char *from, char* to)
{
unsigned char base64_table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
to[0] = base64_table [ (from[0] & 0xfc) >> 2 ];
to[1] = base64_table [ ((from[0] & 0x03) << 4) + ((from[1] & 0xf0) >> 4) ];
to[2] = base64_table [ ((from[1] & 0x0f) << 2) + ((from[2] & 0xc0) >> 6) ];
to[3] = base64_table [ from[2] & 0x3f ];
}
/*
* base64encode: encode a string in base64
*/
void
base64encode(char *from, char *to)
{
char *f, *t;
int from_len;
from_len = strlen(from);
f = from;
t = to;
while(from_len >= 3)
{
convbase64_8x3_to_6x4(f, t);
f += 3 * sizeof(*f);
t += 4 * sizeof(*t);
from_len -= 3;
}
if (from_len > 0)
{
char rest[3] = { 0, 0, 0 };
switch(from_len)
{
case 1 :
rest[0] = f[0];
convbase64_8x3_to_6x4(rest, t);
t[2] = t[3] = '=';
break;
case 2 :
rest[0] = f[0];
rest[1] = f[1];
convbase64_8x3_to_6x4(rest, t);
t[3] = '=';
break;
}
t[4] = 0;
}
}
/*
* pass_httpproxy: establish connection/authentification to an http proxy
* return :
* - 0 if connexion throw proxy was successful
* - 1 if connexion fails
*/
int
pass_httpproxy(int sock, char *address, int port)
{
char buffer[256];
char authbuf[128]; // seems to be enougth to store username + password
char authbuf_base64[196]; // enougth to store base64 encoded authbuf
int n, m;
if (strlen(cfg_proxy_username) > 0)
{
// authentification
snprintf(authbuf, sizeof(authbuf), "%s:%s", cfg_proxy_username, cfg_proxy_password);
base64encode(authbuf, authbuf_base64);
n = snprintf(buffer, sizeof(buffer), "CONNECT %s:%d HTTP/1.0\r\nProxy-Authorization: Basic %s\r\n\r\n", address, port, authbuf_base64);
}
else
{
// no authentification
n = snprintf(buffer, sizeof(buffer), "CONNECT %s:%d HTTP/1.0\r\n\r\n", address, port);
}
m = send (sock, buffer, n, 0);
if (n != m)
return 1;
n = recv(sock, buffer, sizeof(buffer), 0);
/* success result must be like : "HTTP/1.0 200 OK" */
if (n < 12)
return 1;
if (memcmp (buffer, "HTTP/", 5) || memcmp (buffer + 9, "200", 3))
return 1;
return 0;
}
/*
* resolve: resolve hostname on its IP address
* (works with ipv4 and ipv6)
* return :
* - 0 if resolution was successful
* - 1 if resolution fails
*/
int
resolve (char *hostname, char *ip, int *version)
{
char ipbuffer[NI_MAXHOST];
struct addrinfo *res;
if (version != NULL)
*version = 0;
res = NULL;
if (getaddrinfo (hostname, NULL, NULL, &res) != 0)
return 1;
if (!res)
return 1;
if (getnameinfo (res->ai_addr, res->ai_addrlen, ipbuffer, sizeof(ipbuffer), NULL, 0, NI_NUMERICHOST) != 0)
{
freeaddrinfo (res);
return 1;
}
if ((res->ai_family == AF_INET) && (version != NULL))
*version = 4;
if ((res->ai_family == AF_INET6) && (version != NULL))
*version = 6;
strcpy (ip, ipbuffer);
freeaddrinfo (res);
return 0;
}
/*
* pass_socks4proxy: establish connection/authentification throw a socks4 proxy
* return :
* - 0 if connexion throw proxy was successful
* - 1 if connexion fails
*/
int
pass_socks4proxy(int sock, char *address, int port, char *username)
{
/*
* socks4 protocol is explain here:
* http://archive.socks.permeo.com/protocol/socks4.protocol
*
*/
struct s_socks4
{
char version; /* 1 byte */ /* socks version : 4 or 5 */
char method; /* 1 byte */ /* socks method : connect (1) or bind (2) */
unsigned short port; /* 2 bytes */ /* destination port */
unsigned long address; /* 4 bytes */ /* destination address */
char user[64]; /* username (64 characters seems to be enought) */
} socks4;
unsigned char buffer[24];
char ip_addr[NI_MAXHOST];
socks4.version = 4;
socks4.method = 1;
socks4.port = htons (port);
resolve(address, ip_addr, NULL);
socks4.address = inet_addr (ip_addr);
strncpy (socks4.user, username, sizeof(socks4.user) - 1);
send (sock, (char *) &socks4, 8 + strlen(socks4.user) + 1, 0);
recv (sock, buffer, sizeof(buffer), 0);
if (buffer[0] == 0 && buffer[1] == 90)
return 0;
return 1;
}
/*
* pass_socks5proxy: establish connection/authentification throw a socks5 proxy
* return :
* - 0 if connexion throw proxy was successful
* - 1 if connexion fails
*/
int
pass_socks5proxy(int sock, char *address, int port)
{
/*
* socks5 protocol is explained in RFC 1928
* socks5 authentication with username/pass is explained in RFC 1929
*/
struct s_sock5
{
char version; /* 1 byte */ /* socks version : 4 or 5 */
char nmethods; /* 1 byte */ /* size in byte(s) of field 'method', here 1 byte */
char method; /* 1-255 bytes */ /* socks method : noauth (0), auth(user/pass) (2), ... */
} socks5;
unsigned char buffer[288];
int username_len, password_len, addr_len, addr_buffer_len;
unsigned char *addr_buffer;
socks5.version = 5;
socks5.nmethods = 1;
if (strlen(cfg_proxy_username) > 0)
/* with authentication */
socks5.method = 2;
else
/* without authentication */
socks5.method = 0;
send (sock, (char *) &socks5, sizeof(socks5), 0);
/* server socks5 must respond with 2 bytes */
if (recv (sock, buffer, 2, 0) != 2)
return 1;
if (strlen(cfg_proxy_username) > 0)
{
/* with authentication */
/* -> socks server must respond with :
* - socks version (buffer[0]) = 5 => socks5
* - socks method (buffer[1]) = 2 => authentication
*/
//if (!(buffer[0] == 5 && buffer[1] == 2))
if (buffer[0] != 5 || buffer[1] != 2)
return 1;
/* authentication as in RFC 1929 */
username_len = strlen(cfg_proxy_username);
password_len = strlen(cfg_proxy_password);
/* make username/password buffer */
buffer[0] = 1;
buffer[1] = (unsigned char) username_len;
memcpy(buffer + 2, cfg_proxy_username, username_len);
buffer[2 + username_len] = (unsigned char) password_len;
memcpy(buffer + 3 + username_len, cfg_proxy_password, password_len);
send (sock, buffer, 3 + username_len + password_len, 0);
/* server socks5 must respond with 2 bytes */
if (recv (sock, buffer, 2, 0) != 2)
return 1;
/* buffer[1] = auth state, must be 0 for success */
if (buffer[1] != 0)
return 1;
}
else
{
/* without authentication */
/* -> socks server must respond with :
* - socks version (buffer[0]) = 5 => socks5
* - socks method (buffer[1]) = 0 => no authentication
*/
if (!(buffer[0] == 5 && buffer[1] == 0))
return 1;
}
/* authentication successful then giving address/port to connect */
addr_len = strlen(address);
addr_buffer_len = 4 + 1 + addr_len + 2;
addr_buffer = (unsigned char *) malloc ( addr_buffer_len * sizeof(*addr_buffer));
if (!addr_buffer)
return 1;
addr_buffer[0] = 5; /* version 5 */
addr_buffer[1] = 1; /* command: 1 for connect */
addr_buffer[2] = 0; /* reserved */
addr_buffer[3] = 3; /* address type : ipv4 (1), domainname (3), ipv6 (4) */
addr_buffer[4] = (unsigned char) addr_len;
memcpy (addr_buffer + 5, address, addr_len); /* server address */
*((unsigned short *) (addr_buffer + 5 + addr_len)) = htons (port); /* server port */
send (sock, addr_buffer, addr_buffer_len, 0);
free(addr_buffer);
/* dialog with proxy server */
if (recv (sock, buffer, 4, 0) != 4)
return 1;
if (!(buffer[0] == 5 && buffer[1] == 0))
return 1;
switch(buffer[3]) {
/* buffer[3] = address type */
case 1 :
/* ipv4
* server socks return server bound address and port
* address of 4 bytes and port of 2 bytes (= 6 bytes)
*/
if (recv (sock, buffer, 6, 0) != 6)
return 1;
break;
case 3:
/* domainname
* server socks return server bound address and port
*/
/* reading address length */
if (recv (sock, buffer, 1, 0) != 1)
return 1;
addr_len = buffer[0];
/* reading address + port = addr_len + 2 */
if (recv (sock, buffer, addr_len + 2, 0) != (addr_len + 2))
return 1;
break;
case 4 :
/* ipv6
* server socks return server bound address and port
* address of 16 bytes and port of 2 bytes (= 18 bytes)
*/
if (recv (sock, buffer, 18, 0) != 18)
return 1;
break;
default:
return 1;
}
return 0;
}
/*
* pass_proxy: establish connection/authentification to a proxy
* return :
* - 0 if connexion throw proxy was successful
* - 1 if connexion fails
*/
int
pass_proxy(int sock, char *address, int port, char *username)
{
if (strcmp(cfg_proxy_type_values[cfg_proxy_type], "http") == 0)
return pass_httpproxy(sock, address, port);
if (strcmp(cfg_proxy_type_values[cfg_proxy_type], "socks4") == 0)
return pass_socks4proxy(sock, address, port, username);
if (strcmp(cfg_proxy_type_values[cfg_proxy_type], "socks5") == 0)
return pass_socks5proxy(sock, address, port);
return 1;
}
/*
* server_child: child process trying to connect to server
*/
int
server_child (t_irc_server *server)
{
struct addrinfo hints, *res;
res = NULL;
if (cfg_proxy_use)
{
memset (&hints, 0, sizeof (hints));
hints.ai_family = (cfg_proxy_ipv6) ? AF_INET6 : AF_INET;
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo (cfg_proxy_address, NULL, &hints, &res) !=0)
{
write(server->child_write, "1", 1);
return 0;
}
if (!res)
{
write(server->child_write, "1", 1);
return 0;
}
if ((cfg_proxy_ipv6 && (res->ai_family != AF_INET6))
|| ((!cfg_proxy_ipv6 && (res->ai_family != AF_INET))))
{
write (server->child_write, "2", 1);
freeaddrinfo (res);
return 0;
}
if (cfg_proxy_ipv6)
((struct sockaddr_in6 *)(res->ai_addr))->sin6_port = htons (cfg_proxy_port);
else
((struct sockaddr_in *)(res->ai_addr))->sin_port = htons (cfg_proxy_port);
if (connect (server->sock, res->ai_addr, res->ai_addrlen) != 0)
{
write(server->child_write, "3", 1);
freeaddrinfo (res);
return 0;
}
if (pass_proxy(server->sock, server->address, server->port, server->username))
{
write(server->child_write, "4", 1);
freeaddrinfo (res);
return 0;
}
}
else
{
memset (&hints, 0, sizeof(hints));
hints.ai_family = (server->ipv6) ? AF_INET6 : AF_INET;
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo (server->address, NULL, &hints, &res) !=0)
{
write(server->child_write, "1", 1);
return 0;
}
if (!res)
{
write(server->child_write, "1", 1);
return 0;
}
if ((server->ipv6 && (res->ai_family != AF_INET6))
|| ((!server->ipv6 && (res->ai_family != AF_INET))))
{
write(server->child_write, "2", 1);
freeaddrinfo (res);
return 0;
}
if (server->ipv6)
((struct sockaddr_in6 *)(res->ai_addr))->sin6_port = htons (server->port);
else
((struct sockaddr_in *)(res->ai_addr))->sin_port = htons (server->port);
if (connect (server->sock, res->ai_addr, res->ai_addrlen) != 0)
{
write(server->child_write, "3", 1);
freeaddrinfo (res);
return 0;
}
}
write (server->child_write, "0", 1);
freeaddrinfo (res);
return 0;
}
/*
* server_connect: connect to an IRC server
*/
int
server_connect (t_irc_server *server)
{
int child_pipe[2], set;
pid_t pid;
#ifdef HAVE_GNUTLS
const int cert_type_prio[] = { GNUTLS_CRT_X509, GNUTLS_CRT_OPENPGP, 0 };
#endif
#ifndef HAVE_GNUTLS
if (server->ssl)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot connect with SSL since WeeChat was not built "
"with GNUtls support\n"), WEECHAT_ERROR);
return 0;
}
#endif
irc_display_prefix (server, server->buffer, PREFIX_INFO);
if (cfg_proxy_use)
{
gui_printf (server->buffer,
_("%s: connecting to server %s:%d%s%s via %s proxy %s:%d%s...\n"),
PACKAGE_NAME, server->address, server->port,
(server->ipv6) ? " (IPv6)" : "",
(server->ssl) ? " (SSL)" : "",
cfg_proxy_type_values[cfg_proxy_type], cfg_proxy_address, cfg_proxy_port,
(cfg_proxy_ipv6) ? " (IPv6)" : "");
weechat_log_printf (_("Connecting to server %s:%d%s%s via %s proxy %s:%d%s...\n"),
server->address, server->port,
(server->ipv6) ? " (IPv6)" : "",
(server->ssl) ? " (SSL)" : "",
cfg_proxy_type_values[cfg_proxy_type], cfg_proxy_address, cfg_proxy_port,
(cfg_proxy_ipv6) ? " (IPv6)" : "");
}
else
{
gui_printf (server->buffer,
_("%s: connecting to server %s:%d%s%s...\n"),
PACKAGE_NAME, server->address, server->port,
(server->ipv6) ? " (IPv6)" : "",
(server->ssl) ? " (SSL)" : "");
weechat_log_printf (_("Connecting to server %s:%d%s%s...\n"),
server->address, server->port,
(server->ipv6) ? " (IPv6)" : "",
(server->ssl) ? " (SSL)" : "");
}
/* close any opened connection and kill child process if running */
server_close_connection (server);
/* init SSL if asked */
server->ssl_connected = 0;
#ifdef HAVE_GNUTLS
if (server->ssl)
{
if (gnutls_init (&server->gnutls_sess, GNUTLS_CLIENT) != 0)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s gnutls init error\n"), WEECHAT_ERROR);
return 0;
}
gnutls_set_default_priority (server->gnutls_sess);
gnutls_certificate_type_set_priority (server->gnutls_sess, cert_type_prio);
gnutls_credentials_set (server->gnutls_sess, GNUTLS_CRD_CERTIFICATE, gnutls_xcred);
server->ssl_connected = 1;
}
#endif
/* create pipe for child process */
if (pipe (child_pipe) < 0)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot create pipe\n"), WEECHAT_ERROR);
return 0;
}
server->child_read = child_pipe[0];
server->child_write = child_pipe[1];
/* create socket and set options */
if (cfg_proxy_use)
server->sock = socket ((cfg_proxy_ipv6) ? AF_INET6 : AF_INET, SOCK_STREAM, 0);
else
server->sock = socket ((server->ipv6) ? AF_INET6 : AF_INET, SOCK_STREAM, 0);
if (server->sock == -1)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot create socket\n"), WEECHAT_ERROR);
return 0;
}
/* set SO_REUSEADDR option for socket */
set = 1;
if (setsockopt (server->sock, SOL_SOCKET, SO_REUSEADDR,
(void *) &set, sizeof (set)) == -1)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot set socket option \"SO_REUSEADDR\"\n"),
WEECHAT_WARNING);
}
/* set SO_KEEPALIVE option for socket */
set = 1;
if (setsockopt (server->sock, SOL_SOCKET, SO_KEEPALIVE,
(void *) &set, sizeof (set)) == -1)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot set socket option \"SO_KEEPALIVE\"\n"),
WEECHAT_WARNING);
}
switch (pid = fork ())
{
/* fork failed */
case -1:
server_close_connection (server);
return 0;
/* child process */
case 0:
setuid (getuid ());
server_child (server);
_exit (EXIT_SUCCESS);
}
/* parent process go on here */
server->child_pid = pid;
return 1;
}
/*
* server_reconnect: reconnect to a server (after disconnection)
*/
void
server_reconnect (t_irc_server *server)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer, _("%s: Reconnecting to server...\n"),
PACKAGE_NAME);
server->reconnect_start = 0;
if (server_connect (server))
server->reconnect_join = 1;
else
server_reconnect_schedule (server);
}
/*
* server_auto_connect: auto-connect to servers (called at startup)
*/
void
server_auto_connect (int auto_connect, int command_line)
{
t_irc_server *ptr_server;
for (ptr_server = irc_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
if ( ((command_line) && (ptr_server->command_line))
|| ((!command_line) && (auto_connect) && (ptr_server->autoconnect)) )
{
(void) gui_buffer_new (gui_current_window, ptr_server, NULL, 0, 1);
gui_redraw_buffer (gui_current_window->buffer);
if (!server_connect (ptr_server))
server_reconnect_schedule (ptr_server);
}
}
}
/*
* server_disconnect: disconnect from an irc server
*/
void
server_disconnect (t_irc_server *server, int reconnect)
{
t_irc_channel *ptr_channel;
if (server->is_connected)
{
/* write disconnection message on each channel/private buffer */
for (ptr_channel = server->channels; ptr_channel;
ptr_channel = ptr_channel->next_channel)
{
nick_free_all (ptr_channel);
irc_display_prefix (NULL, ptr_channel->buffer, PREFIX_INFO);
gui_printf (ptr_channel->buffer, _("Disconnected from server!\n"));
}
}
server_close_connection (server);
if (server->buffer)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer, _("Disconnected from server!\n"));
}
server->is_away = 0;
server->away_time = 0;
server->lag = 0;
server->lag_check_time.tv_sec = 0;
server->lag_check_time.tv_usec = 0;
server->lag_next_check = time (NULL) + cfg_irc_lag_check;
if ((reconnect) && (server->autoreconnect))
server_reconnect_schedule (server);
else
server->reconnect_start = 0;
gui_redraw_buffer (gui_current_window->buffer);
}
/*
* server_disconnect_all: disconnect from all irc servers
*/
void
server_disconnect_all ()
{
t_irc_server *ptr_server;
for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
server_disconnect (ptr_server, 0);
}
/*
* server_search: return pointer on a server with a name
*/
t_irc_server *
server_search (char *servername)
{
t_irc_server *ptr_server;
if (!servername)
return NULL;
for (ptr_server = irc_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
if (strcmp (ptr_server->name, servername) == 0)
return ptr_server;
}
return NULL;
}
/*
* server_get_number_connected: returns number of connected server
*/
int
server_get_number_connected ()
{
t_irc_server *ptr_server;
int number;
number = 0;
for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
{
if (ptr_server->is_connected)
number++;
}
return number;
}
/*
* server_get_number_buffer: returns position of a server and total number of
* buffers with a buffer
*/
void
server_get_number_buffer (t_irc_server *server,
int *server_pos, int *server_total)
{
t_irc_server *ptr_server;
*server_pos = 0;
*server_total = 0;
for (ptr_server = irc_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
if (ptr_server->buffer)
{
(*server_total)++;
if (ptr_server == server)
*server_pos = *server_total;
}
}
}
/*
* server_name_already_exists: return 1 if server name already exists
* otherwise return 0
*/
int
server_name_already_exists (char *name)
{
t_irc_server *ptr_server;
if (!name)
return 0;
for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
{
if (strcmp (ptr_server->name, name) == 0)
return 1;
}
return 0;
}
/*
* server_remove_away: remove away for all chans/nicks (for all servers)
*/
void
server_remove_away ()
{
t_irc_server *ptr_server;
t_irc_channel *ptr_channel;
for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
{
if (ptr_server->is_connected)
{
for (ptr_channel = ptr_server->channels; ptr_channel; ptr_channel = ptr_channel->next_channel)
{
if (ptr_channel->type == CHANNEL_TYPE_CHANNEL)
channel_remove_away (ptr_channel);
}
}
}
}
/*
* server_check_away: check for away on all channels (for all servers)
*/
void
server_check_away ()
{
t_irc_server *ptr_server;
t_irc_channel *ptr_channel;
for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
{
if (ptr_server->is_connected)
{
for (ptr_channel = ptr_server->channels; ptr_channel; ptr_channel = ptr_channel->next_channel)
{
if (ptr_channel->type == CHANNEL_TYPE_CHANNEL)
channel_check_away (ptr_server, ptr_channel);
}
}
}
}
/*
* server_set_away: set/unset away status for a server (all channels)
*/
void
server_set_away (t_irc_server *server, char *nick, int is_away)
{
t_irc_channel *ptr_channel;
for (ptr_channel = server->channels; ptr_channel; ptr_channel = ptr_channel->next_channel)
{
if (server->is_connected)
{
if (ptr_channel->type == CHANNEL_TYPE_CHANNEL)
channel_set_away (ptr_channel, nick, is_away);
}
}
}
/*
* server_print_log: print server infos in log (usually for crash dump)
*/
void
server_print_log (t_irc_server *server)
{
weechat_log_printf ("[server %s (addr:0x%X)]\n", server->name, server);
weechat_log_printf (" autoconnect . . . . : %d\n", server->autoconnect);
weechat_log_printf (" autoreconnect . . . : %d\n", server->autoreconnect);
weechat_log_printf (" autoreconnect_delay : %d\n", server->autoreconnect_delay);
weechat_log_printf (" command_line. . . . : %d\n", server->command_line);
weechat_log_printf (" address . . . . . . : '%s'\n", server->address);
weechat_log_printf (" port. . . . . . . . : %d\n", server->port);
weechat_log_printf (" ipv6. . . . . . . . : %d\n", server->ipv6);
weechat_log_printf (" ssl . . . . . . . . : %d\n", server->ssl);
weechat_log_printf (" password. . . . . . : '%s'\n",
(server->password && server->password[0]) ?
"(hidden)" : server->password);
weechat_log_printf (" nick1 . . . . . . . : '%s'\n", server->nick1);
weechat_log_printf (" nick2 . . . . . . . : '%s'\n", server->nick2);
weechat_log_printf (" nick3 . . . . . . . : '%s'\n", server->nick3);
weechat_log_printf (" username. . . . . . : '%s'\n", server->username);
weechat_log_printf (" realname. . . . . . : '%s'\n", server->realname);
weechat_log_printf (" command . . . . . . : '%s'\n",
(server->command && server->command[0]) ?
"(hidden)" : server->command);
weechat_log_printf (" command_delay . . . : %d\n", server->command_delay);
weechat_log_printf (" autojoin. . . . . . : '%s'\n", server->autojoin);
weechat_log_printf (" autorejoin. . . . . : %d\n", server->autorejoin);
weechat_log_printf (" notify_levels . . . : %s\n", server->notify_levels);
weechat_log_printf (" charset_decode_iso. : %s\n", server->charset_decode_iso);
weechat_log_printf (" charset_decode_utf. : %s\n", server->charset_decode_utf);
weechat_log_printf (" charset_encode. . . : %s\n", server->charset_encode);
weechat_log_printf (" child_pid . . . . . : %d\n", server->child_pid);
weechat_log_printf (" child_read . . . . : %d\n", server->child_read);
weechat_log_printf (" child_write . . . . : %d\n", server->child_write);
weechat_log_printf (" sock. . . . . . . . : %d\n", server->sock);
weechat_log_printf (" is_connected. . . . : %d\n", server->is_connected);
weechat_log_printf (" ssl_connected . . . : %d\n", server->ssl_connected);
weechat_log_printf (" unterminated_message: '%s'\n", server->unterminated_message);
weechat_log_printf (" nick. . . . . . . . : '%s'\n", server->nick);
weechat_log_printf (" reconnect_start . . : %ld\n", server->reconnect_start);
weechat_log_printf (" reconnect_join. . . : %d\n", server->reconnect_join);
weechat_log_printf (" is_away . . . . . . : %d\n", server->is_away);
weechat_log_printf (" away_time . . . . . : %ld\n", server->away_time);
weechat_log_printf (" lag . . . . . . . . : %d\n", server->lag);
weechat_log_printf (" lag_check_time. . . : tv_sec:%d, tv_usec:%d\n",
server->lag_check_time.tv_sec,
server->lag_check_time.tv_usec);
weechat_log_printf (" lag_next_check. . . : %ld\n", server->lag_next_check);
weechat_log_printf (" buffer. . . . . . . : 0x%X\n", server->buffer);
weechat_log_printf (" channels. . . . . . : 0x%X\n", server->channels);
weechat_log_printf (" last_channel. . . . : 0x%X\n", server->last_channel);
weechat_log_printf (" prev_server . . . . : 0x%X\n", server->prev_server);
weechat_log_printf (" next_server . . . . : 0x%X\n", server->next_server);
}