Import Upstream version 1.0.10
This commit is contained in:
Guus Sliepen
parent
5d002cc66a
commit
fa871d431d
152 changed files with 15479 additions and 25408 deletions
184
src/process.c
184
src/process.c
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@ -1,7 +1,7 @@
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/*
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process.c -- process management functions
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Copyright (C) 1999-2005 Ivo Timmermans,
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2000-2007 Guus Sliepen <guus@tinc-vpn.org>
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2000-2009 Guus Sliepen <guus@tinc-vpn.org>
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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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@ -13,11 +13,9 @@
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: process.c 1595 2008-12-22 20:27:52Z guus $
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "system.h"
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@ -49,10 +47,8 @@ sigset_t emptysigset;
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static int saved_debug_level = -1;
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static void memory_full(int size)
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{
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logger(LOG_ERR, _("Memory exhausted (couldn't allocate %d bytes), exitting."), size);
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cp_trace();
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static void memory_full(int size) {
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logger(LOG_ERR, "Memory exhausted (couldn't allocate %d bytes), exitting.", size);
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exit(1);
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}
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@ -76,7 +72,7 @@ bool install_service(void) {
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manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if(!manager) {
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logger(LOG_ERR, _("Could not open service manager: %s"), winerror(GetLastError()));
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logger(LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));
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return false;
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}
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@ -107,18 +103,18 @@ bool install_service(void) {
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command, NULL, NULL, NULL, NULL, NULL);
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if(!service) {
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logger(LOG_ERR, _("Could not create %s service: %s"), identname, winerror(GetLastError()));
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logger(LOG_ERR, "Could not create %s service: %s", identname, winerror(GetLastError()));
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return false;
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}
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ChangeServiceConfig2(service, SERVICE_CONFIG_DESCRIPTION, &description);
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logger(LOG_INFO, _("%s service installed"), identname);
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logger(LOG_INFO, "%s service installed", identname);
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if(!StartService(service, 0, NULL))
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logger(LOG_WARNING, _("Could not start %s service: %s"), identname, winerror(GetLastError()));
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logger(LOG_WARNING, "Could not start %s service: %s", identname, winerror(GetLastError()));
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else
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logger(LOG_INFO, _("%s service started"), identname);
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logger(LOG_INFO, "%s service started", identname);
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return true;
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}
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@ -126,28 +122,28 @@ bool install_service(void) {
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bool remove_service(void) {
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manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if(!manager) {
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logger(LOG_ERR, _("Could not open service manager: %s"), winerror(GetLastError()));
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logger(LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));
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return false;
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}
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service = OpenService(manager, identname, SERVICE_ALL_ACCESS);
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if(!service) {
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logger(LOG_ERR, _("Could not open %s service: %s"), identname, winerror(GetLastError()));
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logger(LOG_ERR, "Could not open %s service: %s", identname, winerror(GetLastError()));
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return false;
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}
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if(!ControlService(service, SERVICE_CONTROL_STOP, &status))
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logger(LOG_ERR, _("Could not stop %s service: %s"), identname, winerror(GetLastError()));
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logger(LOG_ERR, "Could not stop %s service: %s", identname, winerror(GetLastError()));
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else
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logger(LOG_INFO, _("%s service stopped"), identname);
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logger(LOG_INFO, "%s service stopped", identname);
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if(!DeleteService(service)) {
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logger(LOG_ERR, _("Could not remove %s service: %s"), identname, winerror(GetLastError()));
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logger(LOG_ERR, "Could not remove %s service: %s", identname, winerror(GetLastError()));
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return false;
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}
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logger(LOG_INFO, _("%s service removed"), identname);
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logger(LOG_INFO, "%s service removed", identname);
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return true;
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}
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@ -158,13 +154,13 @@ DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
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SetServiceStatus(statushandle, &status);
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return NO_ERROR;
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case SERVICE_CONTROL_STOP:
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logger(LOG_NOTICE, _("Got %s request"), "SERVICE_CONTROL_STOP");
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logger(LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_STOP");
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break;
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case SERVICE_CONTROL_SHUTDOWN:
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logger(LOG_NOTICE, _("Got %s request"), "SERVICE_CONTROL_SHUTDOWN");
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logger(LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_SHUTDOWN");
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break;
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default:
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logger(LOG_WARNING, _("Got unexpected request %d"), request);
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logger(LOG_WARNING, "Got unexpected request %d", request);
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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@ -183,8 +179,7 @@ DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
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}
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VOID WINAPI run_service(DWORD argc, LPTSTR* argv)
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{
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VOID WINAPI run_service(DWORD argc, LPTSTR* argv) {
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int err = 1;
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extern int main2(int argc, char **argv);
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@ -198,7 +193,7 @@ VOID WINAPI run_service(DWORD argc, LPTSTR* argv)
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statushandle = RegisterServiceCtrlHandlerEx(identname, controlhandler, NULL);
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if (!statushandle) {
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logger(LOG_ERR, _("System call `%s' failed: %s"), "RegisterServiceCtrlHandlerEx", winerror(GetLastError()));
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logger(LOG_ERR, "System call `%s' failed: %s", "RegisterServiceCtrlHandlerEx", winerror(GetLastError()));
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err = 1;
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} else {
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status.dwWaitHint = 30000;
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@ -231,7 +226,7 @@ bool init_service(void) {
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return false;
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}
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else
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logger(LOG_ERR, _("System call `%s' failed: %s"), "StartServiceCtrlDispatcher", winerror(GetLastError()));
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logger(LOG_ERR, "System call `%s' failed: %s", "StartServiceCtrlDispatcher", winerror(GetLastError()));
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}
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return true;
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@ -242,26 +237,23 @@ bool init_service(void) {
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/*
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check for an existing tinc for this net, and write pid to pidfile
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*/
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static bool write_pidfile(void)
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{
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static bool write_pidfile(void) {
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pid_t pid;
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cp();
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pid = check_pid(pidfilename);
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if(pid) {
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if(netname)
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fprintf(stderr, _("A tincd is already running for net `%s' with pid %ld.\n"),
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fprintf(stderr, "A tincd is already running for net `%s' with pid %ld.\n",
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netname, (long)pid);
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else
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fprintf(stderr, _("A tincd is already running with pid %ld.\n"), (long)pid);
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fprintf(stderr, "A tincd is already running with pid %ld.\n", (long)pid);
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return false;
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}
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/* if it's locked, write-protected, or whatever */
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if(!write_pid(pidfilename)) {
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fprintf(stderr, _("Could write pid file %s: %s\n"), pidfilename, strerror(errno));
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fprintf(stderr, "Could write pid file %s: %s\n", pidfilename, strerror(errno));
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return false;
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}
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@ -272,21 +264,18 @@ static bool write_pidfile(void)
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/*
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kill older tincd for this net
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*/
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bool kill_other(int signal)
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{
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bool kill_other(int signal) {
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#ifndef HAVE_MINGW
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pid_t pid;
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cp();
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pid = read_pid(pidfilename);
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if(!pid) {
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if(netname)
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fprintf(stderr, _("No other tincd is running for net `%s'.\n"),
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fprintf(stderr, "No other tincd is running for net `%s'.\n",
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netname);
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else
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fprintf(stderr, _("No other tincd is running.\n"));
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fprintf(stderr, "No other tincd is running.\n");
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return false;
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}
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@ -295,12 +284,12 @@ bool kill_other(int signal)
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/* ESRCH is returned when no process with that pid is found */
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if(kill(pid, signal) && errno == ESRCH) {
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if(netname)
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fprintf(stderr, _("The tincd for net `%s' is no longer running. "),
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fprintf(stderr, "The tincd for net `%s' is no longer running. ",
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netname);
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else
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fprintf(stderr, _("The tincd is no longer running. "));
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fprintf(stderr, "The tincd is no longer running. ");
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fprintf(stderr, _("Removing stale lock file.\n"));
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fprintf(stderr, "Removing stale lock file.\n");
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remove_pid(pidfilename);
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}
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@ -313,10 +302,7 @@ bool kill_other(int signal)
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/*
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Detach from current terminal, write pidfile, kill parent
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*/
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bool detach(void)
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{
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cp();
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bool detach(void) {
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setup_signals();
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/* First check if we can open a fresh new pidfile */
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@ -333,7 +319,7 @@ bool detach(void)
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if(do_detach) {
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#ifndef HAVE_MINGW
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if(daemon(0, 0)) {
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fprintf(stderr, _("Couldn't detach from terminal: %s"),
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fprintf(stderr, "Couldn't detach from terminal: %s",
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strerror(errno));
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return false;
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}
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@ -341,7 +327,7 @@ bool detach(void)
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/* Now UPDATE the pid in the pidfile, because we changed it... */
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if(!write_pid(pidfilename)) {
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fprintf(stderr, _("Could not write pid file %s: %s\n"), pidfilename, strerror(errno));
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fprintf(stderr, "Could not write pid file %s: %s\n", pidfilename, strerror(errno));
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return false;
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}
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#else
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@ -352,7 +338,7 @@ bool detach(void)
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openlogger(identname, use_logfile?LOGMODE_FILE:(do_detach?LOGMODE_SYSLOG:LOGMODE_STDERR));
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logger(LOG_NOTICE, _("tincd %s (%s %s) starting, debug level %d"),
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logger(LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
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VERSION, __DATE__, __TIME__, debug_level);
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xalloc_fail_func = memory_full;
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@ -360,34 +346,32 @@ bool detach(void)
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return true;
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}
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bool execute_script(const char *name, char **envp)
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{
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bool execute_script(const char *name, char **envp) {
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#ifdef HAVE_SYSTEM
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int status, len;
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struct stat s;
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char *scriptname, *p;
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int i;
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cp();
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#ifndef HAVE_MINGW
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len = asprintf(&scriptname, "\"%s/%s\"", confbase, name);
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len = xasprintf(&scriptname, "\"%s/%s\"", confbase, name);
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#else
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len = asprintf(&scriptname, "\"%s/%s.bat\"", confbase, name);
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len = xasprintf(&scriptname, "\"%s/%s.bat\"", confbase, name);
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#endif
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if(len < 0)
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return false;
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scriptname[len - 1] = '\0';
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#ifndef HAVE_TUNEMU
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/* First check if there is a script */
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if(stat(scriptname + 1, &s)) {
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if(access(scriptname + 1, F_OK)) {
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free(scriptname);
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return true;
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}
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#endif
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ifdebug(STATUS) logger(LOG_INFO, _("Executing script %s"), name);
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ifdebug(STATUS) logger(LOG_INFO, "Executing script %s", name);
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#ifdef HAVE_PUTENV
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/* Set environment */
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@ -417,20 +401,20 @@ bool execute_script(const char *name, char **envp)
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if(status != -1) {
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if(WIFEXITED(status)) { /* Child exited by itself */
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if(WEXITSTATUS(status)) {
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logger(LOG_ERR, _("Script %s exited with non-zero status %d"),
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logger(LOG_ERR, "Script %s exited with non-zero status %d",
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name, WEXITSTATUS(status));
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return false;
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}
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} else if(WIFSIGNALED(status)) { /* Child was killed by a signal */
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logger(LOG_ERR, _("Script %s was killed by signal %d (%s)"),
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logger(LOG_ERR, "Script %s was killed by signal %d (%s)",
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name, WTERMSIG(status), strsignal(WTERMSIG(status)));
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return false;
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} else { /* Something strange happened */
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logger(LOG_ERR, _("Script %s terminated abnormally"), name);
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logger(LOG_ERR, "Script %s terminated abnormally", name);
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return false;
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}
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} else {
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logger(LOG_ERR, _("System call `%s' failed: %s"), "system", strerror(errno));
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logger(LOG_ERR, "System call `%s' failed: %s", "system", strerror(errno));
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return false;
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}
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#endif
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@ -444,40 +428,34 @@ bool execute_script(const char *name, char **envp)
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*/
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#ifndef HAVE_MINGW
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static RETSIGTYPE sigterm_handler(int a)
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{
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logger(LOG_NOTICE, _("Got %s signal"), "TERM");
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static RETSIGTYPE sigterm_handler(int a) {
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logger(LOG_NOTICE, "Got %s signal", "TERM");
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if(running)
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running = false;
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else
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exit(1);
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}
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static RETSIGTYPE sigquit_handler(int a)
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{
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logger(LOG_NOTICE, _("Got %s signal"), "QUIT");
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static RETSIGTYPE sigquit_handler(int a) {
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logger(LOG_NOTICE, "Got %s signal", "QUIT");
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if(running)
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running = false;
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else
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exit(1);
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}
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static RETSIGTYPE fatal_signal_square(int a)
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{
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logger(LOG_ERR, _("Got another fatal signal %d (%s): not restarting."), a,
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static RETSIGTYPE fatal_signal_square(int a) {
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logger(LOG_ERR, "Got another fatal signal %d (%s): not restarting.", a,
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strsignal(a));
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cp_trace();
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exit(1);
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}
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static RETSIGTYPE fatal_signal_handler(int a)
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{
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static RETSIGTYPE fatal_signal_handler(int a) {
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struct sigaction act;
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logger(LOG_ERR, _("Got fatal signal %d (%s)"), a, strsignal(a));
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cp_trace();
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logger(LOG_ERR, "Got fatal signal %d (%s)", a, strsignal(a));
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if(do_detach) {
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logger(LOG_NOTICE, _("Trying to re-execute in 5 seconds..."));
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logger(LOG_NOTICE, "Trying to re-execute in 5 seconds...");
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act.sa_handler = fatal_signal_square;
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act.sa_mask = emptysigset;
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@ -489,68 +467,59 @@ static RETSIGTYPE fatal_signal_handler(int a)
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remove_pid(pidfilename);
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execvp(g_argv[0], g_argv);
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} else {
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logger(LOG_NOTICE, _("Not restarting."));
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logger(LOG_NOTICE, "Not restarting.");
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exit(1);
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}
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}
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static RETSIGTYPE sighup_handler(int a)
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{
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logger(LOG_NOTICE, _("Got %s signal"), "HUP");
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static RETSIGTYPE sighup_handler(int a) {
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logger(LOG_NOTICE, "Got %s signal", "HUP");
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sighup = true;
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}
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static RETSIGTYPE sigint_handler(int a)
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{
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logger(LOG_NOTICE, _("Got %s signal"), "INT");
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static RETSIGTYPE sigint_handler(int a) {
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logger(LOG_NOTICE, "Got %s signal", "INT");
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if(saved_debug_level != -1) {
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logger(LOG_NOTICE, _("Reverting to old debug level (%d)"),
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logger(LOG_NOTICE, "Reverting to old debug level (%d)",
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saved_debug_level);
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debug_level = saved_debug_level;
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saved_debug_level = -1;
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} else {
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logger(LOG_NOTICE,
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_("Temporarily setting debug level to 5. Kill me with SIGINT again to go back to level %d."),
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"Temporarily setting debug level to 5. Kill me with SIGINT again to go back to level %d.",
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debug_level);
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saved_debug_level = debug_level;
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debug_level = 5;
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}
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}
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static RETSIGTYPE sigalrm_handler(int a)
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{
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logger(LOG_NOTICE, _("Got %s signal"), "ALRM");
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static RETSIGTYPE sigalrm_handler(int a) {
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logger(LOG_NOTICE, "Got %s signal", "ALRM");
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sigalrm = true;
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}
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static RETSIGTYPE sigusr1_handler(int a)
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{
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static RETSIGTYPE sigusr1_handler(int a) {
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dump_connections();
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}
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|
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static RETSIGTYPE sigusr2_handler(int a)
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{
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static RETSIGTYPE sigusr2_handler(int a) {
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dump_device_stats();
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dump_nodes();
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dump_edges();
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dump_subnets();
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}
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static RETSIGTYPE sigwinch_handler(int a)
|
||||
{
|
||||
static RETSIGTYPE sigwinch_handler(int a) {
|
||||
do_purge = true;
|
||||
}
|
||||
|
||||
static RETSIGTYPE unexpected_signal_handler(int a)
|
||||
{
|
||||
logger(LOG_WARNING, _("Got unexpected signal %d (%s)"), a, strsignal(a));
|
||||
cp_trace();
|
||||
static RETSIGTYPE unexpected_signal_handler(int a) {
|
||||
logger(LOG_WARNING, "Got unexpected signal %d (%s)", a, strsignal(a));
|
||||
}
|
||||
|
||||
static RETSIGTYPE ignore_signal_handler(int a)
|
||||
{
|
||||
ifdebug(SCARY_THINGS) logger(LOG_DEBUG, _("Ignored signal %d (%s)"), a, strsignal(a));
|
||||
static RETSIGTYPE ignore_signal_handler(int a) {
|
||||
ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Ignored signal %d (%s)", a, strsignal(a));
|
||||
}
|
||||
|
||||
static struct {
|
||||
|
|
@ -574,8 +543,7 @@ static struct {
|
|||
};
|
||||
#endif
|
||||
|
||||
void setup_signals(void)
|
||||
{
|
||||
void setup_signals(void) {
|
||||
#ifndef HAVE_MINGW
|
||||
int i;
|
||||
struct sigaction act;
|
||||
|
|
@ -587,7 +555,7 @@ void setup_signals(void)
|
|||
|
||||
/* Set a default signal handler for every signal, errors will be
|
||||
ignored. */
|
||||
for(i = 0; i < NSIG; i++) {
|
||||
for(i = 1; i < NSIG; i++) {
|
||||
if(!do_detach)
|
||||
act.sa_handler = SIG_DFL;
|
||||
else
|
||||
|
|
@ -604,7 +572,7 @@ void setup_signals(void)
|
|||
for(i = 0; sighandlers[i].signal; i++) {
|
||||
act.sa_handler = sighandlers[i].handler;
|
||||
if(sigaction(sighandlers[i].signal, &act, NULL) < 0)
|
||||
fprintf(stderr, _("Installing signal handler for signal %d (%s) failed: %s\n"),
|
||||
fprintf(stderr, "Installing signal handler for signal %d (%s) failed: %s\n",
|
||||
sighandlers[i].signal, strsignal(sighandlers[i].signal),
|
||||
strerror(errno));
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue