diff options
Diffstat (limited to 'gg_sniff/gg_sniff.c')
| -rw-r--r-- | gg_sniff/gg_sniff.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/gg_sniff/gg_sniff.c b/gg_sniff/gg_sniff.c index e35238e..91585b7 100644 --- a/gg_sniff/gg_sniff.c +++ b/gg_sniff/gg_sniff.c @@ -39,7 +39,7 @@ usage(void) { extern char *__progname; - fprintf(stderr, "usage: %s [-hv] interface [ip [port]]", __progname); + fprintf(stderr, "usage: %s [-hv] [-i interface] [ip [port]]", __progname); exit(1); } @@ -59,7 +59,7 @@ main(int argc, char **argv) struct ggnet *net = NULL; struct event *ev_sigint, *ev_sigterm, *ev_sigchld, *ev_sighup; char ggserv_ip[30] = "127.0.0.1"; - char iface[30] = "lo"; + char *iface = NULL; int ggserv_port = GLOUGLOU_PROBE_DEFAULT_PORT; int pcap_init = 0; int dns_init = 0; @@ -70,11 +70,14 @@ main(int argc, char **argv) if (geteuid() != 0) errx(1, "must be root"); - while ((op = getopt(argc, argv, "hv")) != -1) { + while ((op = getopt(argc, argv, "hi:v")) != -1) { switch (op) { case 'h': usage(); /* NOTREACHED */ + case 'i': + iface = strndup(optarg, 30); + break; case 'v': loglevel++; break; @@ -83,10 +86,10 @@ main(int argc, char **argv) /* NOTREACHED */ } } - switch (argc) { - case 4: ggserv_port = atoi(argv[3]); - case 3: strncpy(ggserv_ip, argv[2], sizeof(ggserv_ip)); - case 2: strncpy(iface, argv[1], sizeof(iface)); + switch (argc - optind) { + case 2: ggserv_port = atoi(argv[3]); + case 1: strncpy(ggserv_ip, argv[2], sizeof(ggserv_ip)); + case 0: break; default: usage(); @@ -137,7 +140,7 @@ quit: if (net) ggnet_free(net); - gg_log_info("exiting"); + gg_log_warn("exiting"); gg_log_shutdown(); |