/**
* Unloads plugin
* @param plugin Plugin that should be unloaded.
*/
void plugins_unloadplugin(Plugin plugin) {
if (plugin->beforeDepsUnload != NULL) {
plugin->beforeDepsUnload(plugin->info);
}
// Unload all plugin's dependencies.
if (plugin->deps != NULL) {
TOKENS tok = tokenizer_tokenize(plugin->deps, ',');
for (size_t i = 0; i < tok->count; i++) {
if (plugins_isloaded(tokenizer_gettok(tok, i))) {
plugins_unload(tokenizer_gettok(tok, i));
}
}
tokenizer_free(tok);
}
if (plugin->done != NULL) {
plugin->done(plugin->info);
}
// Free plugin handle.
if (dlclose(plugin->handle) != 0) {
printError("plugins", "Unable to unload library: %s", dlerror());
}
free(plugin->info);
free(plugin->name);
free(plugin->path);
// Remove plugin from chain
if (plugin->prev != NULL) {
plugin->prev->next = plugin->next;
} else {
loadedPlugins->first = plugin->next;
}
if (plugin->next != NULL) {
plugin->next->prev = plugin->prev;
} else {
loadedPlugins->last = plugin->prev;
}
free(plugin);
} // plugins_unloadplugin
void
sighandler (int sig)
{
switch (sig)
{
case SIGABRT:
logstr ("\tSIGABRT\n");
break;
case SIGBUS:
logstr ("\tSIGBUS\n");
break;
case SIGHUP:
logstr ("\tSIGHUP\n");
break;
case SIGINT:
logstr ("\tSIGINT\n");
break;
case SIGKILL:
logstr ("\tSIGKILL\n");
break;
case SIGQUIT:
logstr ("\tSIGQUIT\n");
break;
case SIGTERM:
logstr ("\tSIGTERM\n");
break;
case 0:
logstr ("exiting, goodbye\n");
break;
default:
break;
}
if (settings->socket)
{
fclose (settings->socket);
settings->socket = NULL;
}
plugins_unload ();
}
int main(int argc, char **argv) {
int ret, opt, conn, plugins_loaded = 0, banner_displayed = 0;
unsigned long now, lastconn = time(NULL);
FILE *urandom;
runlevel = RL_OFFLINE;
while ((opt = getopt(argc, argv, "c:dj:u:vh")) != -1) {
switch(opt) {
case 'c':
settings.config = optarg;
break;
case 'd':
settings.daemonize = 1;
break;
case 'j':
settings.chroot = optarg;
break;
case 'u':
settings.chuser = optarg;
break;
case 'v':
print_version();
break;
case 'h':
default:
print_usage(argv[0]);
break;
}
}
srand(time(NULL));
urandom = fopen("/dev/urandom", "r");
srrand(time(NULL) ^ getpid(), urandom);
if (config_parse(settings.config)) {
fprintf(stderr, "Unable to load configuration file '%s'.\n",
settings.config);
return -1;
}
if (checkconfig())
return -1;
if (settings.daemonize) {
ret = fork();
switch(ret) {
case -1:
fprintf(stderr, "Unable to fork to background\n");
return -1;
default:
return 0;
}
}
if (secure_it(settings.chroot, settings.chuser)) {
fprintf(stderr, "Failed to chroot/setuid\n");
return -1;
}
#ifdef TLS
if (gnutls_global_init() == GNUTLS_E_SUCCESS)
atexit(gnutls_global_deinit);
else
fprintf(stderr, "Unable to initialize TLS library\n");
#endif
if (dns_init() == -1)
warn("Unable to initialize dns resolver\n");
for(runlevel = RL_RUNNING; runlevel;) {
if (irc_init() == -1) {
warn("Unable to init irc data structure");
return -1;
}
if(!plugins_loaded) {
plugins_load();
plugins_loaded = 1;
}
if(!banner_displayed) {
banner_displayed = banner("Welcome to " PACKAGE_STRING
#ifdef SVN_REV
"." SVN_REV
#endif
);
}
while ((runlevel == RL_RUNNING) && (irc_conn() == -1)) {
warn("Unable to establish irc connection\n");
sleep(RECONNECT_DELAY);
}
lastconn = time(NULL);
while(runlevel == RL_RUNNING)
io_loop(100);
irc_free();
if((runlevel != RL_RUNNING) && plugins_loaded) {
plugins_unload();
plugins_loaded = 0;
}
if(runlevel == RL_RELOAD) {
printc("Reloading config file '%s'...\n", settings.config);
if(config_parse(settings.config)) {
warn("Error reloading config file.\n");
runlevel = RL_OFFLINE;
} else if(checkconfig()) {
runlevel = RL_OFFLINE;
}
runlevel = RL_RUNNING;
}
conn = 0;
now = time(NULL);
if(runlevel != RL_OFFLINE) {
runlevel = RL_RUNNING;
if (now < lastconn + RECONNECT_DELAY)
sleep(lastconn + RECONNECT_DELAY - now);
}
}
if(urandom)
fclose(urandom);
return 0;
}
