X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprocess.c;h=7373a70c2ab0118e4ccd96362fb303aa91178843;hp=d618427d5357c3f89ea13e23809851d8d5043e29;hb=c0a3f67a5d66088aaf526f1461986f9e86d5dd1f;hpb=b413257e10ae0645da43583dd8f84a1f74df5bd7 diff --git a/src/process.c b/src/process.c index d618427d..7373a70c 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 1.1.2.22 2001/03/13 09:55:14 guus Exp $ + $Id: process.c,v 1.1.2.30 2001/10/31 12:50:24 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 @@ -164,7 +167,7 @@ cp { if(daemon(0, 0) < 0) { - fprintf(stderr, _("Couldn't detach from terminal: %m")); + fprintf(stderr, _("Couldn't detach from terminal: %s"), strerror(errno)); return -1; } @@ -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 @@ -421,13 +450,16 @@ setup_signals(void) sigaction(i, &act, NULL); } + 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++) { act.sa_sigaction = sighandlers[i].handler; if(sigaction(sighandlers[i].signal, &act, NULL) < 0) - fprintf(stderr, _("Installing signal handler for signal %d (%s) failed: %m\n"), - sighandlers[i].signal, strsignal(sighandlers[i].signal)); + fprintf(stderr, _("Installing signal handler for signal %d (%s) failed: %s\n"), + sighandlers[i].signal, strsignal(sighandlers[i].signal), strerror(errno)); } }