Example client crafting simple packet using freeradius-libradius.

2 files changed, 108 insertions, 0 deletions

diff --git a/lib/examples/Makefile b/lib/examples/Makefile
index abced14..1817d90 100644
--- a/lib/examples/Makefile
+++ b/lib/examples/Makefile
@@ -5,5 +5,8 @@ all: blocking.o
 blocking.o: blocking.c blocking.h ../libradsec-base.h ../libradsec.h
 	$(CC) $(CFLAGS) -c -I .. $^
 
+client: client.c ../radsec.o ../libradsec.h ../debug.h
+	$(CC) $(CFLAGS) -o $@ -L /usr/lib/freeradius -lfreeradius-radius $^
+
 clean:
 	-rm *.o
diff --git a/lib/examples/client.c b/lib/examples/client.c
new file mode 100644
index 0000000..64a4436
--- /dev/null
+++ b/lib/examples/client.c
@@ -0,0 +1,105 @@
+/* RADIUS client doing blocking i/o.  */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <freeradius/libradius.h>
+#include "../libradsec.h"
+#include "../debug.h"
+
+#define SECRET "sikrit"
+#define USER_NAME "bob"
+#define USER_PW "hemligt"
+
+int
+rsx_client ()
+{
+  fr_randctx fr_ctx;
+  struct rs_handle *ctx;
+  struct rs_connection *conn;
+  RADIUS_PACKET *pkt;
+  VALUE_PAIR *vp;
+  char user_pw[MAX_STRING_LEN];
+  uint8_t reqauth[AUTH_VECTOR_LEN];
+
+  fr_log_fp = stderr;
+  fr_debug_flag = 1;
+  fr_randinit (&fr_ctx, 0);
+  fr_rand_seed (NULL, 0);
+
+  printf ("creating context\n");
+  if (rs_context_create(&ctx))
+    return -1;
+
+#if 0
+  printf ("reading config\n");
+  if (rs_context_config_read(ctx, "libradsec.conf"))
+    return -1;
+#endif
+
+  printf ("init dict");
+  if (dict_init("/usr/share/freeradius", "dictionary"))
+    return -1;
+
+#if 0
+  printf ("creating connection\n");
+  if (rs_conn_create(ctx, &conn))
+    return -1;
+#endif
+
+  printf ("creating a packet\n");
+  pkt = rad_alloc (1);
+  if (!pkt) {
+    fr_perror ("pairmake");
+    return -1;
+  }
+
+  {
+    size_t pwlen =  sizeof(USER_PW);
+    strncpy (user_pw, USER_PW, sizeof(user_pw));
+    rad_pwencode(user_pw, &pwlen, SECRET, reqauth);
+  }
+
+  printf ("creating value pairs\n");
+  vp = pairmake ("User-Name", USER_NAME, 0);
+  if (!vp) {
+    fr_perror ("paircreate");
+    return -1;
+  }
+  pairadd (&vp, pairmake ("User-Password", user_pw, 0));
+  pkt->vps = vp;
+
+  printf ("attributes:\n");
+  vp_printlist (stdout, vp);
+
+  printf ("encoding packet\n");
+  rad_encode (pkt, NULL, SECRET);
+  print_hex (pkt);		/* DEBUG */
+
+#if 0
+  rs_packet_create (&pkt, RS_ACCESS_REQUEST);
+  rs_attrib_create (&attr, RS_...);
+  rs_packet_add_attrib (pkt, attr);
+#endif
+
+  //rs_packet_send (conn, pkt, ...);
+
+  rad_free(&pkt);
+
+#if 0
+  printf ("destroying connection\n");
+  if (rs_conn_destroy(conn))
+    return -1;
+#endif
+
+  printf ("destroying context\n");
+  rs_context_destroy(ctx);
+
+  return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+  exit (rsx_client ());
+}