#include "device.h"
#include "edge.h"
#include "logger.h"
+#include "net.h"
#include "node.h"
#include "process.h"
#include "subnet.h"
extern char **g_argv;
extern bool use_logfile;
-#ifndef HAVE_MINGW
-static 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
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;
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:
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
logger(LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
VERSION, __DATE__, __TIME__, debug_level);
- xalloc_fail_func = memory_full;
-
return true;
}
#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},
- {SIGABRT, SIG_DFL},
- {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
-}