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FS-3110 --comment-only phase 1 to replace udns with ldns in mod_enum may need to rerun bootstrap
This commit is contained in:
Anthony Minessale
159
libs/ldns/examples/ldns-read-zone.c
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159
libs/ldns/examples/ldns-read-zone.c
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/*
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* read a zone file from disk and prints it, one RR per line
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*
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* (c) NLnetLabs 2005-2008
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*
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* See the file LICENSE for the license
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*/
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#include "config.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <ldns/ldns.h>
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#include <errno.h>
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int
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main(int argc, char **argv)
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{
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char *filename;
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FILE *fp;
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ldns_zone *z;
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int line_nr = 0;
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int c;
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bool canonicalize = false;
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bool sort = false;
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bool strip = false;
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bool only_dnssec = false;
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bool print_soa = true;
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ldns_status s;
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size_t i;
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ldns_rr_list *stripped_list;
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ldns_rr *cur_rr;
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ldns_rr_type cur_rr_type;
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while ((c = getopt(argc, argv, "cdhnsvz")) != -1) {
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switch(c) {
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case 'c':
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canonicalize = true;
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break;
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case 'd':
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only_dnssec = true;
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if (strip) {
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fprintf(stderr, "Warning: stripping both DNSSEC and non-DNSSEC records. Output will be sparse.\n");
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}
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break;
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case 'h':
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printf("Usage: %s [-c] [-v] [-z] <zonefile>\n", argv[0]);
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printf("\tReads the zonefile and prints it.\n");
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printf("\tThe RR count of the zone is printed to stderr.\n");
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printf("\t-c canonicalize all rrs in the zone.\n");
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printf("\t-d only show DNSSEC data from the zone\n");
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printf("\t-h show this text\n");
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printf("\t-n do not print the SOA record\n");
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printf("\t-s strip DNSSEC data from the zone\n");
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printf("\t-v shows the version and exits\n");
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printf("\t-z sort the zone (implies -c).\n");
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printf("\nif no file is given standard input is read\n");
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exit(EXIT_SUCCESS);
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break;
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case 'n':
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print_soa = false;
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break;
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case 's':
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strip = true;
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if (only_dnssec) {
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fprintf(stderr, "Warning: stripping both DNSSEC and non-DNSSEC records. Output will be sparse.\n");
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}
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break;
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case 'v':
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printf("read zone version %s (ldns version %s)\n", LDNS_VERSION, ldns_version());
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exit(EXIT_SUCCESS);
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break;
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case 'z':
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canonicalize = true;
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sort = true;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc == 0) {
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fp = stdin;
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} else {
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filename = argv[0];
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fp = fopen(filename, "r");
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if (!fp) {
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fprintf(stderr, "Unable to open %s: %s\n", filename, strerror(errno));
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exit(EXIT_FAILURE);
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}
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}
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s = ldns_zone_new_frm_fp_l(&z, fp, NULL, 0, LDNS_RR_CLASS_IN, &line_nr);
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if (strip) {
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stripped_list = ldns_rr_list_new();
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while ((cur_rr = ldns_rr_list_pop_rr(ldns_zone_rrs(z)))) {
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cur_rr_type = ldns_rr_get_type(cur_rr);
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if (cur_rr_type == LDNS_RR_TYPE_RRSIG ||
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cur_rr_type == LDNS_RR_TYPE_NSEC ||
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cur_rr_type == LDNS_RR_TYPE_NSEC3 ||
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cur_rr_type == LDNS_RR_TYPE_NSEC3PARAMS
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) {
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ldns_rr_free(cur_rr);
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} else {
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ldns_rr_list_push_rr(stripped_list, cur_rr);
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}
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}
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ldns_rr_list_free(ldns_zone_rrs(z));
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ldns_zone_set_rrs(z, stripped_list);
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}
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if (only_dnssec) {
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stripped_list = ldns_rr_list_new();
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while ((cur_rr = ldns_rr_list_pop_rr(ldns_zone_rrs(z)))) {
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cur_rr_type = ldns_rr_get_type(cur_rr);
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if (cur_rr_type == LDNS_RR_TYPE_RRSIG ||
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cur_rr_type == LDNS_RR_TYPE_NSEC ||
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cur_rr_type == LDNS_RR_TYPE_NSEC3 ||
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cur_rr_type == LDNS_RR_TYPE_NSEC3PARAMS
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) {
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ldns_rr_list_push_rr(stripped_list, cur_rr);
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} else {
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ldns_rr_free(cur_rr);
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}
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}
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ldns_rr_list_free(ldns_zone_rrs(z));
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ldns_zone_set_rrs(z, stripped_list);
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}
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if (s == LDNS_STATUS_OK) {
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if (canonicalize) {
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ldns_rr2canonical(ldns_zone_soa(z));
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for (i = 0; i < ldns_rr_list_rr_count(ldns_zone_rrs(z)); i++) {
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ldns_rr2canonical(ldns_rr_list_rr(ldns_zone_rrs(z), i));
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}
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}
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if (sort) {
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ldns_zone_sort(z);
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}
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if (print_soa && ldns_zone_soa(z)) {
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ldns_rr_print(stdout, ldns_zone_soa(z));
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}
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ldns_rr_list_print(stdout, ldns_zone_rrs(z));
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ldns_zone_deep_free(z);
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} else {
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fprintf(stderr, "%s at %d\n",
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ldns_get_errorstr_by_id(s),
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line_nr);
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exit(EXIT_FAILURE);
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}
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fclose(fp);
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exit(EXIT_SUCCESS);
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}
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