Detach as default, options for foreground and debug level

[libradsec.git] / radsecproxy.c

diff --git a/radsecproxy.c b/radsecproxy.c
index 95033de..cad2555 100644 (file)
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -1919,14 +1919,9 @@ void getmainconfig(const char *configfile) {
            continue;
        }
        if (!strcasecmp(opt, "LogLevel")) {
-           if (!strcasecmp(val, "1"))
-               options.loglevel = DBG_ERR;
-           else if (!strcasecmp(val, "2"))
-               options.loglevel = DBG_WARN;
-           else if (!strcasecmp(val, "3"))
-               options.loglevel = DBG_INFO;
-           else
+           if (strlen(val) != 1 || *val < '1' || *val > '3')
                debugx(1, DBG_ERR, "error in %s, value of option %s is %s, must be 1, 2 or 3", configfile, opt, val);
+           options.loglevel = *val - '0';
            continue;
        }
        if (!strcasecmp(opt, "LogDestination")) {
@@ -1938,20 +1933,59 @@ void getmainconfig(const char *configfile) {
     fclose(f);
 }
 
+void getargs(int argc, char **argv, uint8_t *foreground, uint8_t *loglevel) {
+    int c;
+
+    while ((c = getopt(argc, argv, "d:f")) != -1) {
+       switch (c) {
+       case 'd':
+           if (strlen(optarg) != 1 || *optarg < '1' || *optarg > '3')
+               debugx(1, DBG_ERR, "Debug level must be 1, 2 or 3, not %s", optarg);
+           *loglevel = *optarg - '0';
+           break;
+       case 'f':
+           *foreground = 1;
+           break;
+       default:
+           goto usage;
+       }
+    }
+    if (!(argc - optind))
+       return;
+
+ usage:
+    debug(DBG_ERR, "Usage:\n%s [ -f ] [ -d debuglevel ]", argv[0]);
+    exit(1);
+}
+
 int main(int argc, char **argv) {
     pthread_t udpserverth;
     int i;
-
+    uint8_t foreground = 0, loglevel = 0;
+    
+    debug_init("radsecproxy");
     debug_set_level(DEBUG_LEVEL);
+    getargs(argc, argv, &foreground, &loglevel);
+    if (loglevel)
+       debug_set_level(loglevel);
     getmainconfig(CONFIG_MAIN);
-    debug_init("radsecproxy");
-    if (options.loglevel)
+    if (loglevel)
+       options.loglevel = loglevel;
+    else if (options.loglevel)
        debug_set_level(options.loglevel);
-    if (options.logdestination)
+    if (foreground)
+       options.logdestination = NULL;
+    else {
+       if (!options.logdestination)
+           options.logdestination = "x-syslog://";
        debug_set_destination(options.logdestination);
+    }
     getconfig(CONFIG_SERVERS, NULL);
     getconfig(NULL, CONFIG_CLIENTS);
 
+    if (!foreground && (daemon(0, 0) < 0))
+       debugx(1, DBG_ERR, "daemon() failed: %s", strerror(errno));
+       
     if (client_udp_count) {
        udp_server_listen = server_create('U');
        if (pthread_create(&udpserverth, NULL, udpserverrd, NULL))