static void loadkey(char *filename, unsigned char *key_buf, unsigned int key_buf_size, dns_rdata_t *rdata) { isc_result_t result; dst_key_t *key = NULL; isc_buffer_t keyb; isc_region_t r; dns_rdata_init(rdata); isc_buffer_init(&keyb, key_buf, key_buf_size); result = dst_key_fromnamedfile(filename, NULL, DST_TYPE_PUBLIC, mctx, &key); if (result != ISC_R_SUCCESS) fatal("invalid keyfile name %s: %s", filename, isc_result_totext(result)); if (verbose > 2) { char keystr[DST_KEY_FORMATSIZE]; dst_key_format(key, keystr, sizeof(keystr)); fprintf(stderr, "%s: %s\n", program, keystr); } result = dst_key_todns(key, &keyb); if (result != ISC_R_SUCCESS) fatal("can't decode key"); isc_buffer_usedregion(&keyb, &r); dns_rdata_fromregion(rdata, dst_key_class(key), dns_rdatatype_dnskey, &r); rdclass = dst_key_class(key); dns_fixedname_init(&fixed); name = dns_fixedname_name(&fixed); result = dns_name_copy(dst_key_name(key), name, NULL); if (result != ISC_R_SUCCESS) fatal("can't copy name"); dst_key_free(&key); }
int main(int argc, char *argv[]) { int i, ch; char *startstr = NULL, *endstr = NULL; dns_fixedname_t fdomain; dns_name_t *domain = NULL; char *output = NULL; char *endp; unsigned char data[65536]; dns_db_t *db; dns_dbversion_t *version; dns_diff_t diff; dns_difftuple_t *tuple; dns_fixedname_t tname; dst_key_t *key = NULL; dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdataset_t rdataset; dns_rdataclass_t rdclass; isc_result_t result; isc_buffer_t b; isc_region_t r; isc_log_t *log = NULL; keynode_t *keynode; unsigned int eflags; isc_boolean_t pseudorandom = ISC_FALSE; isc_boolean_t tryverify = ISC_FALSE; result = isc_mem_create(0, 0, &mctx); if (result != ISC_R_SUCCESS) fatal("failed to create memory context: %s", isc_result_totext(result)); dns_result_register(); while ((ch = isc_commandline_parse(argc, argv, "as:e:t:r:v:ph")) != -1) { switch (ch) { case 'a': tryverify = ISC_TRUE; break; case 's': startstr = isc_commandline_argument; break; case 'e': endstr = isc_commandline_argument; break; case 't': endp = NULL; ttl = strtol(isc_commandline_argument, &endp, 0); if (*endp != '\0') fatal("TTL must be numeric"); break; case 'r': setup_entropy(mctx, isc_commandline_argument, &ectx); break; case 'v': endp = NULL; verbose = strtol(isc_commandline_argument, &endp, 0); if (*endp != '\0') fatal("verbose level must be numeric"); break; case 'p': pseudorandom = ISC_TRUE; break; case 'h': default: usage(); } } argc -= isc_commandline_index; argv += isc_commandline_index; if (argc < 1) usage(); if (ectx == NULL) setup_entropy(mctx, NULL, &ectx); eflags = ISC_ENTROPY_BLOCKING; if (!pseudorandom) eflags |= ISC_ENTROPY_GOODONLY; result = dst_lib_init(mctx, ectx, eflags); if (result != ISC_R_SUCCESS) fatal("could not initialize dst: %s", isc_result_totext(result)); isc_stdtime_get(&now); if (startstr != NULL) starttime = strtotime(startstr, now, now); else starttime = now; if (endstr != NULL) endtime = strtotime(endstr, now, starttime); else endtime = starttime + (30 * 24 * 60 * 60); if (ttl == -1) { ttl = 3600; fprintf(stderr, "%s: TTL not specified, assuming 3600\n", program); } setup_logging(verbose, mctx, &log); dns_diff_init(mctx, &diff); rdclass = 0; ISC_LIST_INIT(keylist); for (i = 0; i < argc; i++) { char namestr[DNS_NAME_FORMATSIZE]; isc_buffer_t namebuf; key = NULL; result = dst_key_fromnamedfile(argv[i], DST_TYPE_PUBLIC, mctx, &key); if (result != ISC_R_SUCCESS) fatal("error loading key from %s: %s", argv[i], isc_result_totext(result)); if (rdclass == 0) rdclass = dst_key_class(key); isc_buffer_init(&namebuf, namestr, sizeof(namestr)); result = dns_name_tofilenametext(dst_key_name(key), ISC_FALSE, &namebuf); check_result(result, "dns_name_tofilenametext"); isc_buffer_putuint8(&namebuf, 0); if (domain == NULL) { dns_fixedname_init(&fdomain); domain = dns_fixedname_name(&fdomain); dns_name_copy(dst_key_name(key), domain, NULL); } else if (!dns_name_equal(domain, dst_key_name(key))) { char str[DNS_NAME_FORMATSIZE]; dns_name_format(domain, str, sizeof(str)); fatal("all keys must have the same owner - %s " "and %s do not match", str, namestr); } if (output == NULL) { output = isc_mem_allocate(mctx, strlen("keyset-") + strlen(namestr) + 1); if (output == NULL) fatal("out of memory"); sprintf(output, "keyset-%s", namestr); } if (dst_key_iszonekey(key)) { dst_key_t *zonekey = NULL; result = dst_key_fromnamedfile(argv[i], DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, mctx, &zonekey); if (result != ISC_R_SUCCESS) fatal("failed to read private key %s: %s", argv[i], isc_result_totext(result)); if (!zonekey_on_list(zonekey)) { keynode = isc_mem_get(mctx, sizeof(keynode_t)); if (keynode == NULL) fatal("out of memory"); keynode->key = zonekey; ISC_LIST_INITANDAPPEND(keylist, keynode, link); } else dst_key_free(&zonekey); } dns_rdata_reset(&rdata); isc_buffer_init(&b, data, sizeof(data)); result = dst_key_todns(key, &b); dst_key_free(&key); if (result != ISC_R_SUCCESS) fatal("failed to convert key %s to a DNS KEY: %s", argv[i], isc_result_totext(result)); isc_buffer_usedregion(&b, &r); dns_rdata_fromregion(&rdata, rdclass, dns_rdatatype_dnskey, &r); tuple = NULL; result = dns_difftuple_create(mctx, DNS_DIFFOP_ADD, domain, ttl, &rdata, &tuple); check_result(result, "dns_difftuple_create"); dns_diff_append(&diff, &tuple); } db = NULL; result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone, rdclass, 0, NULL, &db); if (result != ISC_R_SUCCESS) fatal("failed to create a database"); version = NULL; dns_db_newversion(db, &version); result = dns_diff_apply(&diff, db, version); check_result(result, "dns_diff_apply"); dns_diff_clear(&diff); dns_fixedname_init(&tname); dns_rdataset_init(&rdataset); result = dns_db_find(db, domain, version, dns_rdatatype_dnskey, 0, 0, NULL, dns_fixedname_name(&tname), &rdataset, NULL); check_result(result, "dns_db_find"); if (ISC_LIST_EMPTY(keylist)) fprintf(stderr, "%s: no private zone key found; not self-signing\n", program); for (keynode = ISC_LIST_HEAD(keylist); keynode != NULL; keynode = ISC_LIST_NEXT(keynode, link)) { dns_rdata_reset(&rdata); isc_buffer_init(&b, data, sizeof(data)); result = dns_dnssec_sign(domain, &rdataset, keynode->key, &starttime, &endtime, mctx, &b, &rdata); isc_entropy_stopcallbacksources(ectx); if (result != ISC_R_SUCCESS) { char keystr[KEY_FORMATSIZE]; key_format(keynode->key, keystr, sizeof(keystr)); fatal("failed to sign keyset with key %s: %s", keystr, isc_result_totext(result)); } if (tryverify) { result = dns_dnssec_verify(domain, &rdataset, keynode->key, ISC_TRUE, mctx, &rdata); if (result != ISC_R_SUCCESS) { char keystr[KEY_FORMATSIZE]; key_format(keynode->key, keystr, sizeof(keystr)); fatal("signature from key '%s' failed to " "verify: %s", keystr, isc_result_totext(result)); } } tuple = NULL; result = dns_difftuple_create(mctx, DNS_DIFFOP_ADD, domain, ttl, &rdata, &tuple); check_result(result, "dns_difftuple_create"); dns_diff_append(&diff, &tuple); } result = dns_diff_apply(&diff, db, version); check_result(result, "dns_diff_apply"); dns_diff_clear(&diff); dns_rdataset_disassociate(&rdataset); dns_db_closeversion(db, &version, ISC_TRUE); result = dns_db_dump(db, version, output); if (result != ISC_R_SUCCESS) { char domainstr[DNS_NAME_FORMATSIZE]; dns_name_format(domain, domainstr, sizeof(domainstr)); fatal("failed to write database for %s to %s", domainstr, output); } printf("%s\n", output); dns_db_detach(&db); while (!ISC_LIST_EMPTY(keylist)) { keynode = ISC_LIST_HEAD(keylist); ISC_LIST_UNLINK(keylist, keynode, link); dst_key_free(&keynode->key); isc_mem_put(mctx, keynode, sizeof(keynode_t)); } cleanup_logging(&log); cleanup_entropy(&ectx); isc_mem_free(mctx, output); dst_lib_destroy(); if (verbose > 10) isc_mem_stats(mctx, stdout); isc_mem_destroy(&mctx); return (0); }