contrib/ldns/drill/root.c

   1 /*
   2  * root.c
   3  * Function to handle to the rootservers
   4  * and to update and prime them
   5  * (c) 2005 NLnet Labs
   6  *
   7  * See the file LICENSE for the license
   8  *
   9  */
  10
  11 #include "drill.h"
  12 #include <ldns/ldns.h>
  13 #include <errno.h>
  14
  15 /* a global list of the root-servers */
  16 ldns_rr_list *global_dns_root = NULL;
  17
  18 /* put a hardcoded list in the root and
  19  * init the root rrlist structure */
  20 void
  21 init_root(void)
  22 {
  23         ldns_rr *r;
  24
  25         global_dns_root = ldns_rr_list_new();
  26
  27         (void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET.      3600000      A     198.41.0.4", 0, NULL, NULL);
  28         ldns_rr_list_push_rr(global_dns_root, r);
  29         (void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:BA3E::2:30", 0, NULL, NULL);
  30         ldns_rr_list_push_rr(global_dns_root, r);
  31         (void)ldns_rr_new_frm_str(&r, "B.ROOT-SERVERS.NET.      3600000      A     192.228.79.201", 0, NULL, NULL);
  32         ldns_rr_list_push_rr(global_dns_root, r);
  33         (void)ldns_rr_new_frm_str(&r, "C.ROOT-SERVERS.NET.      3600000      A     192.33.4.12", 0, NULL, NULL);
  34         ldns_rr_list_push_rr(global_dns_root, r);
  35         (void)ldns_rr_new_frm_str(&r, "D.ROOT-SERVERS.NET.      3600000      A     128.8.10.90", 0, NULL, NULL);
  36         ldns_rr_list_push_rr(global_dns_root, r);
  37         (void)ldns_rr_new_frm_str(&r, "E.ROOT-SERVERS.NET.      3600000      A     192.203.230.10", 0, NULL, NULL);
  38         ldns_rr_list_push_rr(global_dns_root, r);
  39         (void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET.      3600000      A     192.5.5.241", 0, NULL, NULL);
  40         ldns_rr_list_push_rr(global_dns_root, r);
  41         (void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:2F::F", 0, NULL, NULL);
  42         ldns_rr_list_push_rr(global_dns_root, r);
  43         (void)ldns_rr_new_frm_str(&r, "G.ROOT-SERVERS.NET.      3600000      A     192.112.36.4", 0, NULL, NULL);
  44         ldns_rr_list_push_rr(global_dns_root, r);
  45         (void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET.      3600000      A     128.63.2.53", 0, NULL, NULL);
  46         ldns_rr_list_push_rr(global_dns_root, r);
  47         (void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:1::803F:235", 0, NULL, NULL);
  48         ldns_rr_list_push_rr(global_dns_root, r);
  49         (void)ldns_rr_new_frm_str(&r, "I.ROOT-SERVERS.NET.      3600000      A     192.36.148.17", 0, NULL, NULL);
  50         ldns_rr_list_push_rr(global_dns_root, r);
  51         (void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET.      3600000      A     192.58.128.30", 0, NULL, NULL);
  52         ldns_rr_list_push_rr(global_dns_root, r);
  53         (void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:C27::2:30", 0, NULL, NULL);
  54         ldns_rr_list_push_rr(global_dns_root, r);
  55         (void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET.      3600000      A     193.0.14.129 ", 0, NULL, NULL);
  56         ldns_rr_list_push_rr(global_dns_root, r);
  57         (void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET.      3600000      AAAA  2001:7FD::1", 0, NULL, NULL);
  58         ldns_rr_list_push_rr(global_dns_root, r);
  59         (void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET.      3600000      A     199.7.83.42", 0, NULL, NULL);
  60         ldns_rr_list_push_rr(global_dns_root, r);
  61         (void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:3::42   ", 0, NULL, NULL);
  62         ldns_rr_list_push_rr(global_dns_root, r);
  63         (void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET.      3600000      A     202.12.27.33", 0, NULL, NULL);
  64         ldns_rr_list_push_rr(global_dns_root, r);
  65         (void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET.      3600000      AAAA  2001:DC3::35", 0, NULL, NULL);
  66         ldns_rr_list_push_rr(global_dns_root, r);
  67 }
  68
  69 /*
  70  * Read a hints file as root
  71  *
  72  * The file with the given path should contain a list of NS RRs
  73  * for the root zone and A records for those NS RRs.
  74  * Read them, check them, and append the a records to the rr list given.
  75  */
  76 ldns_rr_list *
  77 read_root_hints(const char *filename)
  78 {
  79         FILE *fp = NULL;
  80         int line_nr = 0;
  81         ldns_zone *z;
  82         ldns_status status;
  83         ldns_rr_list *addresses = NULL;
  84         ldns_rr *rr;
  85         size_t i;
  86
  87         fp = fopen(filename, "r");
  88         if (!fp) {
  89                 fprintf(stderr, "Unable to open %s for reading: %s\n", filename, strerror(errno));
  90                 return NULL;
  91         }
  92
  93         status = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, 0, &line_nr);
  94         fclose(fp);
  95         if (status != LDNS_STATUS_OK) {
  96                 fprintf(stderr, "Error reading root hints file: %s\n", ldns_get_errorstr_by_id(status));
  97                 return NULL;
  98         } else {
  99                 addresses = ldns_rr_list_new();
 100                 for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) {
 101                         rr = ldns_rr_list_rr(ldns_zone_rrs(z), i);
 102                         /*if ((address_family == 0 || address_family == 1) &&
 103                         */
 104                         if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_A ) {
 105                                 ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr));
 106                         }
 107                         /*if ((address_family == 0 || address_family == 2) &&*/
 108                         if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_AAAA) {
 109                                 ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr));
 110                         }
 111                 }
 112                 ldns_zone_deep_free(z);
 113                 return addresses;
 114         }
 115 }
 116
 117
 118 void
 119 clear_root(void)
 120 {
 121         ldns_rr_list_deep_free(global_dns_root);
 122 }