X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprocess.c;h=a7d0f260ec448a07850c861e66b23fcb698afbca;hb=3fba80174dbe29bcfe0d121a2a1d2e61be5ee57b;hp=d588a3fd830f50e8d7510d5fb9cd9eb4493f7dd3;hpb=886a6f61a1f4cc48a77b42d10f34f9126377d904;p=tinc

diff --git a/src/process.c b/src/process.c
index d588a3fd..a7d0f260 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1,7 +1,7 @@
 /*
     process.c -- process management functions
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2011 Guus Sliepen <guus@tinc-vpn.org>
 
     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
@@ -26,6 +26,7 @@
 #include "device.h"
 #include "edge.h"
 #include "logger.h"
+#include "net.h"
 #include "node.h"
 #include "process.h"
 #include "subnet.h"
@@ -40,15 +41,6 @@ extern char *identname;
 extern char **g_argv;
 extern bool use_logfile;
 
-#ifndef HAVE_MINGW
-sigset_t emptysigset;
-#endif
-
-static void memory_full(int size) {
-	logger(LOG_ERR, "Memory exhausted (couldn't allocate %d bytes), exitting.", size);
-	exit(1);
-}
-
 /* Some functions the less gifted operating systems might lack... */
 
 #ifdef HAVE_MINGW
@@ -61,7 +53,7 @@ static SC_HANDLE service = NULL;
 static SERVICE_STATUS status = {0};
 static SERVICE_STATUS_HANDLE statushandle = 0;
 
-bool install_service(void) {
+static bool install_service(void) {
 	char command[4096] = "\"";
 	char **argp;
 	bool space;
@@ -121,35 +113,6 @@ bool install_service(void) {
 	return true;
 }
 
-bool remove_service(void) {
-	manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
-	if(!manager) {
-		logger(LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));
-		return false;
-	}
-
-	service = OpenService(manager, identname, SERVICE_ALL_ACCESS);
-
-	if(!service) {
-		logger(LOG_ERR, "Could not open %s service: %s", identname, winerror(GetLastError()));
-		return false;
-	}
-
-	if(!ControlService(service, SERVICE_CONTROL_STOP, &status))
-		logger(LOG_ERR, "Could not stop %s service: %s", identname, winerror(GetLastError()));
-	else
-		logger(LOG_INFO, "%s service stopped", identname);
-
-	if(!DeleteService(service)) {
-		logger(LOG_ERR, "Could not remove %s service: %s", identname, winerror(GetLastError()));
-		return false;
-	}
-
-	logger(LOG_INFO, "%s service removed", identname);
-
-	return true;
-}
-
 DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
 	switch(request) {
 		case SERVICE_CONTROL_INTERROGATE:
@@ -231,9 +194,12 @@ bool init_service(void) {
   Detach from current terminal
 */
 bool detach(void) {
-	setup_signals();
-
 #ifndef HAVE_MINGW
+	signal(SIGPIPE, SIG_IGN);
+	signal(SIGUSR1, SIG_IGN);
+	signal(SIGUSR2, SIG_IGN);
+	signal(SIGWINCH, SIG_IGN);
+
 	closelogger();
 #endif
 
@@ -255,8 +221,6 @@ bool detach(void) {
 	logger(LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
 			   VERSION, __DATE__, __TIME__, debug_level);
 
-	xalloc_fail_func = memory_full;
-
 	return true;
 }
 
@@ -335,94 +299,3 @@ bool execute_script(const char *name, char **envp) {
 #endif
 	return true;
 }
-
-
-/*
-  Signal handlers.
-*/
-
-#ifndef HAVE_MINGW
-static RETSIGTYPE fatal_signal_square(int a) {
-	logger(LOG_ERR, "Got another fatal signal %d (%s): not restarting.", a,
-		   strsignal(a));
-	exit(1);
-}
-
-static RETSIGTYPE fatal_signal_handler(int a) {
-	struct sigaction act;
-	logger(LOG_ERR, "Got fatal signal %d (%s)", a, strsignal(a));
-
-	if(do_detach) {
-		logger(LOG_NOTICE, "Trying to re-execute in 5 seconds...");
-
-		act.sa_handler = fatal_signal_square;
-		act.sa_mask = emptysigset;
-		act.sa_flags = 0;
-		sigaction(SIGSEGV, &act, NULL);
-
-		close_network_connections();
-		sleep(5);
-		exit_control();
-		execvp(g_argv[0], g_argv);
-	} else {
-		logger(LOG_NOTICE, "Not restarting.");
-		exit(1);
-	}
-}
-
-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 struct {
-	int signal;
-	void (*handler)(int);
-} sighandlers[] = {
-	{SIGSEGV, fatal_signal_handler},
-	{SIGBUS, fatal_signal_handler},
-	{SIGILL, fatal_signal_handler},
-	{SIGPIPE, ignore_signal_handler},
-	{SIGCHLD, ignore_signal_handler},
-	{0, NULL}
-};
-#endif
-
-void setup_signals(void) {
-#ifndef HAVE_MINGW
-	int i;
-	struct sigaction act;
-
-	sigemptyset(&emptysigset);
-	act.sa_handler = NULL;
-	act.sa_mask = emptysigset;
-	act.sa_flags = 0;
-
-	/* Set a default signal handler for every signal, errors will be
-	   ignored. */
-	for(i = 1; i < NSIG; i++) {
-		if(!do_detach)
-			act.sa_handler = SIG_DFL;
-		else
-			act.sa_handler = unexpected_signal_handler;
-		sigaction(i, &act, NULL);
-	}
-
-	/* If we didn't detach, allow coredumps */
-	if(!do_detach)
-		sighandlers[0].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_handler = sighandlers[i].handler;
-		if(sigaction(sighandlers[i].signal, &act, NULL) < 0)
-			fprintf(stderr, "Installing signal handler for signal %d (%s) failed: %s\n",
-					sighandlers[i].signal, strsignal(sighandlers[i].signal),
-					strerror(errno));
-	}
-#endif
-}