X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprocess.c;h=7c8d31f6a236e999be33960288be2eabde7b2e25;hp=bf3d6b74f36e38c1c3547ed257264dd7fcef5468;hb=8e74c5bee48f2ef363193044d5309a65e91c70d8;hpb=44e9d6a2872fac55f7eb701ba576ed9f39a22e08 diff --git a/src/process.c b/src/process.c index bf3d6b74..7c8d31f6 100644 --- a/src/process.c +++ b/src/process.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: process.c,v 1.1.2.23 2001/07/24 20:03:40 guus Exp $ + $Id: process.c,v 1.1.2.31 2001/10/31 20:37:54 guus Exp $ */ #include "config.h" @@ -42,7 +42,9 @@ #include "conf.h" #include "process.h" #include "subnet.h" +#include "device.h" #include "connection.h" +#include "device.h" #include "system.h" @@ -55,6 +57,8 @@ extern char **g_argv; sigset_t emptysigset; +static int saved_debug_lvl = 0; + void memory_full(int size) { syslog(LOG_ERR, _("Memory exhausted (couldn't allocate %d bytes), exiting."), size); @@ -85,8 +89,7 @@ cp close_network_connections(); if(debug_lvl > DEBUG_NOTHING) - 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); + dump_device_stats(); syslog(LOG_NOTICE, _("Terminating")); @@ -121,7 +124,7 @@ cp /* kill older tincd for this net */ -int kill_other(void) +int kill_other(int signal) { int pid; cp @@ -136,7 +139,7 @@ cp errno = 0; /* No error, sometimes errno is only changed on error */ /* ESRCH is returned when no process with that pid is found */ - if(kill(pid, SIGTERM) && errno == ESRCH) + if(kill(pid, signal) && errno == ESRCH) fprintf(stderr, _("Removing stale lock file.\n")); remove_pid(pidfilename); cp @@ -197,17 +200,29 @@ void _execute_script(const char *name) char *scriptname; char *s; cp +#ifdef HAVE_UNSETENV + unsetenv("NETNAME"); + unsetenv("DEVICE"); + unsetenv("INTERFACE"); +#endif + if(netname) { asprintf(&s, "NETNAME=%s", netname); putenv(s); /* Don't free s! see man 3 putenv */ } -#ifdef HAVE_UNSETENV - else + + if(device) { - unsetenv("NETNAME"); + asprintf(&s, "DEVICE=%s", device); + putenv(s); /* Don't free s! see man 3 putenv */ + } + + if(interface) + { + asprintf(&s, "INTERFACE=%s", interface); + putenv(s); /* Don't free s! see man 3 putenv */ } -#endif chdir("/"); @@ -351,21 +366,35 @@ sighup_handler(int a, siginfo_t *info, void *b) RETSIGTYPE sigint_handler(int a, siginfo_t *info, void *b) { - if(debug_lvl > DEBUG_NOTHING) - syslog(LOG_NOTICE, _("Got INT signal, exiting")); - cleanup_and_exit(0); + if(saved_debug_lvl) + { + syslog(LOG_NOTICE, _("Reverting to old debug level (%d)"), + saved_debug_lvl); + debug_lvl = saved_debug_lvl; + saved_debug_lvl = 0; + } + else + { + syslog(LOG_NOTICE, _("Temporarily setting debug level to 5. Kill me with SIGINT again to go back to level %d."), + debug_lvl); + saved_debug_lvl = debug_lvl; + debug_lvl = 5; + } } RETSIGTYPE sigusr1_handler(int a, siginfo_t *info, void *b) { - dump_connection_list(); + dump_connections(); } RETSIGTYPE sigusr2_handler(int a, siginfo_t *info, void *b) { - dump_subnet_list(); + dump_device_stats(); + dump_nodes(); + dump_edges(); + dump_subnets(); } RETSIGTYPE @@ -380,7 +409,7 @@ ignore_signal_handler(int a, siginfo_t *info, void *b) { if(debug_lvl >= DEBUG_SCARY_THINGS) { - syslog(LOG_WARNING, _("Got unexpected signal %d (%s)"), a, strsignal(a)); + syslog(LOG_DEBUG, _("Ignored signal %d (%s)"), a, strsignal(a)); cp_trace(); } } @@ -421,6 +450,10 @@ setup_signals(void) sigaction(i, &act, NULL); } + /* If we didn't detach, allow coredumps */ + if(!do_detach) + sighandlers[3].handler = SIG_DFL; + /* Then, for each known signal that we want to catch, assign a handler to the signal, with error checking this time. */ for(i = 0; sighandlers[i].signal; i++)