/*
tincd.c -- the main file for tincd
- Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
+ Copyright (C) 1998,1999,2000 Ivo Timmermans <itimmermans@bigfoot.com>
+ 2000 Guus Sliepen <guus@sliepen.warande.net>
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
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., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-/*
- * $Log: tincd.c,v $
- * Revision 1.9 2000/05/29 21:01:26 zarq
- * Internationalization of tinc.
- *
- * Revision 1.8 2000/05/14 12:22:42 guus
- * Cleanups.
- *
- * Revision 1.7 2000/04/27 13:47:51 zarq
- * Default config file name is tinc.conf, and pidfile is tinc.pid.
- *
- * Revision 1.6 2000/04/18 16:04:10 zarq
- * Address for bugreports changed to tinc@nl.linux.org.
- *
- * Revision 1.5 2000/04/17 16:23:29 zarq
- * Pass the requested size from xmalloc() and xrealloc() on to xalloc_fail_func()
- *
- * Revision 1.4 2000/04/06 18:28:29 zarq
- * New option -D, don't detach.
- *
- */
+ $Id: tincd.c,v 1.10.4.8 2000/08/17 16:51:08 guus Exp $
+*/
#include "config.h"
#include "encr.h"
#include "net.h"
#include "netutl.h"
+#include "protocol.h"
#include "system.h"
static int do_detach = 1;
char *confbase = NULL; /* directory in which all config files are */
-char *configfilename = NULL; /* configuration file name */
+/* char *configfilename = NULL; /* configuration file name, moved to config.c */
char *identname; /* program name for syslog */
char *netname = NULL; /* name of the vpn network */
char *pidfilename; /* pid file location */
void memory_full(int size)
{
- syslog(LOG_ERR, _("Memory exhausted (last is %s:%d) (couldn't allocate %d bytes); exiting."), cp_file, cp_line, size);
+ syslog(LOG_ERR, _("Memory exhausted (last is %s:%d) (couldn't allocate %d bytes), exiting."), cp_file, cp_line, size);
exit(1);
}
openlog(identname, LOG_CONS | LOG_PID, LOG_DAEMON);
- if(debug_lvl > 1)
- syslog(LOG_NOTICE, _("tincd %s (%s %s) starting, debug level %d."),
+ if(debug_lvl > 0)
+ syslog(LOG_NOTICE, _("tincd %s (%s %s) starting, debug level %d"),
VERSION, __DATE__, __TIME__, debug_lvl);
else
- syslog(LOG_NOTICE, _("tincd %s starting, debug level %d."), VERSION, debug_lvl);
+ syslog(LOG_NOTICE, _("tincd %s starting"), VERSION, debug_lvl);
xalloc_fail_func = memory_full;
close_network_connections();
if(debug_lvl > 0)
- syslog(LOG_INFO, _("Total bytes written: tap %d, socket %d; bytes read: tap %d, socket %d."),
+ syslog(LOG_INFO, _("Total bytes written: tap %d, socket %d; bytes read: tap %d, socket %d"),
total_tap_out, total_socket_out, total_tap_in, total_socket_in);
closelog();
{
if(netname)
{
- configfilename = xmalloc(strlen(netname)+18+strlen(CONFDIR));
- sprintf(configfilename, "%s/tinc/%s/tinc.conf", CONFDIR, netname);
+ asprintf(&configfilename, "%s/tinc/%s/tinc.conf", CONFDIR, netname);
}
else
{
- configfilename = xmalloc(17+strlen(CONFDIR));
- sprintf(configfilename, "%s/tinc/tinc.conf", CONFDIR);
+ asprintf(&configfilename, "%s/tinc/tinc.conf", CONFDIR);
}
}
if(netname)
{
- pidfilename = xmalloc(strlen(netname)+20);
- sprintf(pidfilename, "/var/run/tinc.%s.pid", netname);
- confbase = xmalloc(strlen(netname)+8+strlen(CONFDIR));
- sprintf(confbase, "%s/tinc/%s/", CONFDIR, netname);
- identname = xmalloc(strlen(netname)+7);
- sprintf(identname, "tinc.%s", netname);
+ asprintf(&pidfilename, "/var/run/tinc.%s.pid", netname);
+ asprintf(&confbase, "%s/tinc/%s/", CONFDIR, netname);
+ asprintf(&identname, "tinc.%s", netname);
}
else
{
pidfilename = "/var/run/tinc.pid";
- confbase = xmalloc(7+strlen(CONFDIR));
- sprintf(confbase, "%s/tinc/", CONFDIR);
+ asprintf(&confbase, "%s/tinc/", CONFDIR);
identname = "tinc";
}
}
if(show_version)
{
- printf(_("%s version %s\n"), PACKAGE, VERSION);
+ printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE, VERSION, __DATE__, __TIME__, PROT_CURRENT);
printf(_("Copyright (C) 1998,1999,2000 Ivo Timmermans and others,\n"
"see the AUTHORS file for a complete list.\n\n"
"tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n"
if(geteuid())
{
- fprintf(stderr, _("You must be root to run this program. sorry.\n"));
+ fprintf(stderr, _("You must be root to run this program. Sorry.\n"));
return 1;
}
if(security_init())
return 1;
- if(setup_network_connections())
- cleanup_and_exit(1);
+ for(;;)
+ {
+ setup_network_connections();
+
+ main_loop();
- main_loop();
+ cleanup_and_exit(1);
- cleanup_and_exit(1);
- return 1;
+ syslog(LOG_ERR, _("Unrecoverable error, restarting in %d seconds!"), MAXTIMEOUT);
+ sleep(MAXTIMEOUT);
+ }
}
RETSIGTYPE
sigsegv_handler(int a)
{
if(cp_file)
- syslog(LOG_NOTICE, _("Got SEGV signal after %s line %d. Trying to re-execute."),
+ syslog(LOG_NOTICE, _("Got SEGV signal after %s line %d, trying to re-execute"),
cp_file, cp_line);
else
- syslog(LOG_NOTICE, _("Got SEGV signal; trying to re-execute."));
+ syslog(LOG_NOTICE, _("Got SEGV signal, trying to re-execute"));
signal(SIGSEGV, sigsegv_square);
-
close_network_connections();
remove_pid(pidfilename);
execvp(g_argv[0], g_argv);
sighup_handler(int a)
{
if(debug_lvl > 0)
- syslog(LOG_NOTICE, _("Got HUP signal"));
- close_network_connections();
- setup_network_connections();
- /* FIXME: read config-file and re-establish network connections */
+ syslog(LOG_NOTICE, _("Got HUP signal, rereading configuration and restarting"));
+ sighup = 1;
}
RETSIGTYPE
sigint_handler(int a)
{
if(debug_lvl > 0)
- syslog(LOG_NOTICE, _("Got INT signal"));
+ syslog(LOG_NOTICE, _("Got INT signal, exiting"));
cleanup_and_exit(0);
}
sigusr2_handler(int a)
{
if(debug_lvl > 1)
- syslog(LOG_NOTICE, _("Forcing new key generation"));
+ syslog(LOG_NOTICE, _("Got USR2 signal, forcing new key generation"));
regenerate_keys();
}
sighuh(int a)
{
if(cp_file)
- syslog(LOG_NOTICE, _("Got unexpected signal (%d) after %s line %d."),
+ syslog(LOG_NOTICE, _("Got unexpected signal %d after %s line %d"),
a, cp_file, cp_line);
else
- syslog(LOG_NOTICE, _("Got unexpected signal (%d)."), a);
+ syslog(LOG_NOTICE, _("Got unexpected signal %d"), a);
}
void
signal(SIGINT, sigint_handler);
signal(SIGUSR1, sigusr1_handler);
signal(SIGUSR2, sigusr2_handler);
- signal(SIGCHLD, parent_exit);
+// signal(SIGCHLD, parent_exit);
}
RETSIGTYPE parent_exit(int a)