tools/ldap_leak.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <ldap.h>
   5
   6 void usage (const char *argv0);
   7 void leak_loop (const char *host, int port, const char *binddn,
   8   const char *passwd);
   9
  10 int
  11 main (int argc, char **argv)
  12 {
  13   char *host = "localhost";
  14   int port = LDAP_PORT;
  15
  16   char *binddn = NULL;
  17   char *passwd = NULL;
  18
  19   int c;
  20
  21   opterr = 0;
  22
  23   do
  24     {
  25       c = getopt (argc, argv, "h:p:b:x:");
  26
  27       switch (c)
  28         {
  29           case 'h':
  30             host = optarg;
  31             break;
  32           case 'p':
  33             port = atoi (optarg);
  34             break;
  35           case 'b':
  36             binddn = optarg;
  37             break;
  38           case 'x':
  39             passwd = optarg;
  40             break;
  41           case '?':
  42             usage (argv[0]);
  43             return 1;
  44           default:
  45             break;
  46         }
  47     } while (c != -1);
  48
  49   if (!binddn || !passwd || port <= 0 || port >= 1 << 16)
  50       usage (argv[0]);
  51
  52   leak_loop (host, port, binddn, passwd);
  53
  54   return 0;
  55 }
  56
  57 void
  58 usage (const char *argv0)
  59 {
  60   fprintf (stderr, "Usage: %s -b binndn -x passwd [-h host] [-p port]\n",
  61     argv0);
  62   exit (1);
  63 }
  64
  65 void
  66 leak_loop (const char *host, int port, const char *binddn,
  67   const char *passwd)
  68 {
  69   LDAP *ld;
  70   int version;
  71   int rc, i;
  72
  73   for (i = 0; i < 1 << 12; i++)
  74     {
  75       ld = ldap_init (host, port);
  76
  77       version = LDAP_VERSION3;
  78       ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version);
  79
  80       rc = ldap_simple_bind_s (ld, binddn, passwd);
  81
  82       if (rc != LDAP_SUCCESS)
  83         {
  84           fprintf (stderr, "LDAP Error: %s\n", ldap_err2string (rc));
  85           exit (1);
  86         }
  87
  88       ldap_unbind_s (ld);
  89 #ifdef NOLEAK
  90       sasl_done ();
  91 #endif
  92     }
  93 }
  94