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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/contrib/ldns/drill/root.c
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/*

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 * root.c

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 * Function to handle to the rootservers

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 * and to update and prime them

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 * (c) 2005 NLnet Labs

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 *

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 * See the file LICENSE for the license

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 *

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 */

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#include "drill.h"

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#include <ldns/ldns.h>

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#include <errno.h>

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/* a global list of the root-servers */

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ldns_rr_list *global_dns_root = NULL;

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/* put a hardcoded list in the root and

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 * init the root rrlist structure */

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void

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init_root(void)

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{

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	ldns_rr *r;

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	global_dns_root = ldns_rr_list_new();

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	(void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET.      3600000      A     198.41.0.4", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "A.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:BA3E::2:30", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "B.ROOT-SERVERS.NET.      3600000      A     192.228.79.201", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "C.ROOT-SERVERS.NET.      3600000      A     192.33.4.12", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "D.ROOT-SERVERS.NET.      3600000      A     128.8.10.90", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "E.ROOT-SERVERS.NET.      3600000      A     192.203.230.10", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET.      3600000      A     192.5.5.241", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "F.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:2F::F", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "G.ROOT-SERVERS.NET.      3600000      A     192.112.36.4", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET.      3600000      A     128.63.2.53", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "H.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:1::803F:235", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "I.ROOT-SERVERS.NET.      3600000      A     192.36.148.17", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET.      3600000      A     192.58.128.30", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "J.ROOT-SERVERS.NET.      3600000      AAAA  2001:503:C27::2:30", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET.      3600000      A     193.0.14.129 ", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "K.ROOT-SERVERS.NET.      3600000      AAAA  2001:7FD::1", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET.      3600000      A     199.7.83.42", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "L.ROOT-SERVERS.NET.      3600000      AAAA  2001:500:3::42   ", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET.      3600000      A     202.12.27.33", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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	(void)ldns_rr_new_frm_str(&r, "M.ROOT-SERVERS.NET.      3600000      AAAA  2001:DC3::35", 0, NULL, NULL);

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	ldns_rr_list_push_rr(global_dns_root, r);

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}

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/*

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 * Read a hints file as root

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 *

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 * The file with the given path should contain a list of NS RRs

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 * for the root zone and A records for those NS RRs.

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 * Read them, check them, and append the a records to the rr list given.

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 */

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ldns_rr_list *

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read_root_hints(const char *filename)

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{

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	FILE *fp = NULL;

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	int line_nr = 0;

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	ldns_zone *z;

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	ldns_status status;

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	ldns_rr_list *addresses = NULL;

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	ldns_rr *rr;

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	size_t i;

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	fp = fopen(filename, "r");

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	if (!fp) {

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		fprintf(stderr, "Unable to open %s for reading: %s\n", filename, strerror(errno));

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		return NULL;

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	}

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	status = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, 0, &line_nr);

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	fclose(fp);

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	if (status != LDNS_STATUS_OK) {

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		fprintf(stderr, "Error reading root hints file: %s\n", ldns_get_errorstr_by_id(status));

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		return NULL;

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	} else {

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		addresses = ldns_rr_list_new();

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		for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) { 

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			rr = ldns_rr_list_rr(ldns_zone_rrs(z), i);

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			/*if ((address_family == 0 || address_family == 1) &&

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			*/

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			if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_A ) {

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				ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr));

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			}

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			/*if ((address_family == 0 || address_family == 2) &&*/

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			if ( ldns_rr_get_type(rr) == LDNS_RR_TYPE_AAAA) {

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				ldns_rr_list_push_rr(addresses, ldns_rr_clone(rr));

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			}

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		}

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		ldns_zone_deep_free(z);

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		return addresses;

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	}

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}

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void

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clear_root(void)

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{

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	ldns_rr_list_deep_free(global_dns_root);

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}

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