lib/debug.c

   1 #include <stdio.h>
   2 #include <freeradius/libradius.h>
   3 #include "libradsec.h"
   4 #include "libradsec-impl.h"
   5 #include "debug.h"
   6
   7 /* From freeradius-server/src/lib/radius.c */
   8 static void print_hex(RADIUS_PACKET *packet)
   9 {
  10         int i;
  11
  12         if (!packet->data) return;
  13
  14         printf("  Code:\t\t%u\n", packet->data[0]);
  15         printf("  Id:\t\t%u\n", packet->data[1]);
  16         printf("  Length:\t%u\n", ((packet->data[2] << 8) |
  17                                    (packet->data[3])));
  18         printf("  Vector:\t");
  19         for (i = 4; i < 20; i++) {
  20                 printf("%02x", packet->data[i]);
  21         }
  22         printf("\n");
  23
  24         if (packet->data_len > 20) {
  25                 int total;
  26                 const uint8_t *ptr;
  27                 printf("  Data:");
  28
  29                 total = packet->data_len - 20;
  30                 ptr = packet->data + 20;
  31
  32                 while (total > 0) {
  33                         int attrlen;
  34
  35                         printf("\t\t");
  36                         if (total < 2) { /* too short */
  37                                 printf("%02x\n", *ptr);
  38                                 break;
  39                         }
  40
  41                         if (ptr[1] > total) { /* too long */
  42                                 for (i = 0; i < total; i++) {
  43                                         printf("%02x ", ptr[i]);
  44                                 }
  45                                 break;
  46                         }
  47
  48                         printf("%02x  %02x  ", ptr[0], ptr[1]);
  49                         attrlen = ptr[1] - 2;
  50                         ptr += 2;
  51                         total -= 2;
  52
  53                         for (i = 0; i < attrlen; i++) {
  54                                 if ((i > 0) && ((i & 0x0f) == 0x00))
  55                                         printf("\t\t\t");
  56                                 printf("%02x ", ptr[i]);
  57                                 if ((i & 0x0f) == 0x0f) printf("\n");
  58                         }
  59
  60                         if ((attrlen & 0x0f) != 0x00) printf("\n");
  61
  62                         ptr += attrlen;
  63                         total -= attrlen;
  64                 }
  65         }
  66         fflush(stdout);
  67 }
  68
  69 void
  70 rs_dump_packet (const struct rs_packet *pkt)
  71 {
  72   print_hex (pkt->rpkt);
  73 }
  74
  75 void
  76 rs_dump_attr (const struct rs_attr *attr)
  77 {
  78   vp_printlist (stderr, attr->vp);
  79 }