rename accel-pptp to accel-ppp

1 files changed, 201 insertions, 0 deletions

diff --git a/accel-pppd/main.c b/accel-pppd/main.c
new file mode 100644
index 0000000..2e48c45
--- /dev/null
+++ b/accel-pppd/main.c
@@ -0,0 +1,201 @@
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/resource.h>
+
+#include "triton/triton.h"
+
+#include "memdebug.h"
+#include "log.h"
+#include "events.h"
+
+static int goto_daemon;
+static char *pid_file;
+static char *conf_file;
+
+#define ARG_MAX 128
+static int parse_cmdline(char ***argv)
+{	
+	FILE *f;
+	int i;
+	size_t len;
+
+	f = fopen("/proc/self/cmdline", "r");
+	if (!f) {
+		perror("open cmdline");
+		_exit(EXIT_FAILURE);
+	}
+
+	*argv = _malloc(ARG_MAX * sizeof(void *));
+	memset(*argv, 0, ARG_MAX * sizeof(void *));
+
+	for(i = 0; i < ARG_MAX; i++) {
+		len = 0;
+		if (getdelim(&(*argv)[i], &len, 0, f) < 0)
+			break;
+	}
+
+	fclose(f);
+
+	return i;
+}
+static void __init __main(void)
+{
+	int i,argc;
+	char **argv;
+
+	argc=parse_cmdline(&argv);
+	
+	if (argc < 2)
+		goto usage;
+
+	for(i = 1; i < argc; i++) {
+		if (!strcmp(argv[i], "-d"))
+			goto_daemon = 1;
+		else if (!strcmp(argv[i], "-p")) {
+			if (i == argc - 1)
+				goto usage;
+			pid_file = argv[++i];
+		} else if (!strcmp(argv[i], "-c")) {
+			if (i == argc - 1)
+				goto usage;
+			conf_file = argv[++i];
+		}
+	}
+
+	if (!conf_file)
+		goto usage;
+
+	if (triton_init(conf_file))
+		_exit(EXIT_FAILURE);
+
+	return;
+
+usage:
+	printf("usage: accel-pppd [-d] [-p <file>] -c <file>\n\
+	where:\n\
+		-d - daemon mode\n\
+		-p - write pid to <file>\n\
+		-c - config file\n");
+	_exit(EXIT_FAILURE);
+}
+
+static void change_limits(void)
+{
+	FILE *f;
+	struct rlimit lim;
+	unsigned int file_max;
+
+	f = fopen("/proc/sys/fs/file-max", "r");
+	if (f) {
+		fscanf(f, "%d", &file_max);
+		fclose(f);
+
+		lim.rlim_cur = file_max;
+		lim.rlim_max = file_max;
+		if (setrlimit(RLIMIT_NOFILE, &lim))
+			log_emerg("main: setrlimit: %s\n", strerror(errno));
+	} else
+		log_emerg("main: failed to open '/proc/sys/fs/file-max': %s\n", strerror(errno));
+}
+
+static void config_reload_notify(int r)
+{
+	if (!r)
+		triton_event_fire(EV_CONFIG_RELOAD, NULL);
+}
+static void config_reload(int num)
+{
+	triton_conf_reload(config_reload_notify);
+}
+
+int main(int argc, char **argv)
+{
+	sigset_t set;
+	int sig;
+
+	if (goto_daemon) {
+		/*pid_t pid = fork();
+		if (pid > 0)
+			_exit(EXIT_SUCCESS);
+		if (pid < 0) {
+			perror("fork");
+			return EXIT_FAILURE;
+		}
+		if (setsid() < 0)
+			_exit(EXIT_FAILURE);
+		pid = fork();
+		if (pid)
+			_exit(0);
+		umask(0);
+		chdir("/");
+		close(STDIN_FILENO);
+		close(STDOUT_FILENO);
+		close(STDERR_FILENO);*/
+		daemon(0, 0);
+	}
+
+	if (pid_file) {
+		FILE *f = fopen(pid_file, "w");
+		if (f) {
+			fprintf(f, "%i", getpid());
+			fclose(f);
+		}
+	}
+
+	//signal(SIGTERM, sigterm);
+	//signal(SIGPIPE, sigterm);
+
+	change_limits();
+
+	if (triton_load_modules("modules"))
+		return EXIT_FAILURE;
+
+	log_msg("accel-ppp version %s\n", ACCEL_PPP_VERSION);
+
+	triton_run();
+
+	sigfillset(&set);
+
+	struct sigaction sa = {
+		.sa_handler = config_reload,
+		.sa_mask = set,
+	};
+
+	sigaction(SIGUSR1, &sa, NULL);
+
+	sigdelset(&set, SIGKILL);
+	sigdelset(&set, SIGSTOP);
+	sigdelset(&set, SIGSEGV);
+	sigdelset(&set, SIGFPE);
+	sigdelset(&set, SIGILL);
+	sigdelset(&set, SIGBUS);
+	sigdelset(&set, SIGHUP);
+	sigdelset(&set, SIGIO);
+	sigdelset(&set, SIGINT);
+	sigdelset(&set, SIGUSR1);
+	sigdelset(&set, 35);
+	sigdelset(&set, 36);
+	pthread_sigmask(SIG_SETMASK, &set, NULL);
+
+	sigemptyset(&set);
+	//sigaddset(&set, SIGINT);
+	sigaddset(&set, SIGTERM);
+	sigaddset(&set, SIGSEGV);
+	sigaddset(&set, SIGILL);
+	sigaddset(&set, SIGFPE);
+	sigaddset(&set, SIGBUS);
+	
+	sigwait(&set, &sig);
+	log_info1("terminate, sig = %i\n", sig);
+	
+	triton_terminate();
+
+	return EXIT_SUCCESS;
+}
+