libglouglou: add ggtrace, meant to be a complete commandline traceroute

1 files changed, 67 insertions, 0 deletions

diff --git a/libglouglou/examples/ggtrace.c b/libglouglou/examples/ggtrace.c
new file mode 100644
index 0000000..dd50fa9
--- /dev/null
+++ b/libglouglou/examples/ggtrace.c
@@ -0,0 +1,67 @@
+/* ggtrace - multifunction parallelized traceroute */
+
+#include <sys/types.h>
+
+#if !defined(__OpenBSD__)
+#define __USE_GNU
+#define _GNU_SOURCE
+#endif
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <err.h>
+
+#include <libglouglou.h> /* for get_iface() and droppriv() */
+#include <libggnet_traceroute.h>
+
+static void _cb_done(struct ggnet_traceroute_req *, void *);
+
+struct event_base *_ev_base;
+
+int
+main(int argc, char *argv[])
+{
+	struct ggnet_traceroute *ggtr;
+	struct ggnet_traceroute_req *req;
+	struct addr ip;
+	struct timeval tv;
+
+	if (argc < 2) {
+		printf("usage: traceroute <ip>\n");
+		exit(1);
+	}
+	addr_aton(argv[1], &ip);
+
+	bzero(&tv, sizeof(struct timeval));
+	tv.tv_sec = 10;
+
+	_ev_base = event_base_new();
+
+	ggtr = ggnet_traceroute_new(_ev_base, get_iface(argv[1]));
+	droppriv("nobody", 1, NULL); /* bad practise, use dedicated user */
+	req = ggnet_traceroute_trace_tcp_intrace(ggtr, &ip, 80, 1234, 0x8888,
+					 _cb_done, NULL, NULL);
+
+	event_base_loopexit(_ev_base, &tv);
+	event_base_dispatch(_ev_base);
+
+	printf("REPORT for %s:\n%s\n", addr_ntoa(&ip),
+		ggnet_traceroute_report(req));
+
+	return 0;
+}
+
+static void
+_cb_done(struct ggnet_traceroute_req *req, void *data)
+{
+	printf("traceroute: done !\n");
+	event_base_loopexit(_ev_base, NULL);
+}