1 /* 2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14 * PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /* $Id: nsap-ptr_23.c,v 1.11 2020/09/14 08:40:44 florian Exp $ */ 18 19 /* Reviewed: Fri Mar 17 10:16:02 PST 2000 by gson */ 20 21 /* RFC1348. Obsoleted in RFC 1706 - use PTR instead. */ 22 23 #ifndef RDATA_IN_1_NSAP_PTR_23_C 24 #define RDATA_IN_1_NSAP_PTR_23_C 25 26 static inline isc_result_t 27 totext_in_nsap_ptr(ARGS_TOTEXT) { 28 isc_region_t region; 29 dns_name_t name; 30 dns_name_t prefix; 31 int sub; 32 33 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr); 34 REQUIRE(rdata->rdclass == dns_rdataclass_in); 35 REQUIRE(rdata->length != 0); 36 37 dns_name_init(&name, NULL); 38 dns_name_init(&prefix, NULL); 39 40 dns_rdata_toregion(rdata, ®ion); 41 dns_name_fromregion(&name, ®ion); 42 43 sub = name_prefix(&name, tctx->origin, &prefix); 44 45 return (dns_name_totext(&prefix, sub, target)); 46 } 47 48 static inline isc_result_t 49 fromwire_in_nsap_ptr(ARGS_FROMWIRE) { 50 dns_name_t name; 51 52 REQUIRE(type == dns_rdatatype_nsap_ptr); 53 REQUIRE(rdclass == dns_rdataclass_in); 54 55 UNUSED(type); 56 UNUSED(rdclass); 57 58 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); 59 60 dns_name_init(&name, NULL); 61 return (dns_name_fromwire(&name, source, dctx, options, target)); 62 } 63 64 static inline isc_result_t 65 towire_in_nsap_ptr(ARGS_TOWIRE) { 66 dns_name_t name; 67 dns_offsets_t offsets; 68 isc_region_t region; 69 70 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr); 71 REQUIRE(rdata->rdclass == dns_rdataclass_in); 72 REQUIRE(rdata->length != 0); 73 74 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE); 75 dns_name_init(&name, offsets); 76 dns_rdata_toregion(rdata, ®ion); 77 dns_name_fromregion(&name, ®ion); 78 79 return (dns_name_towire(&name, cctx, target)); 80 } 81 82 #endif /* RDATA_IN_1_NSAP_PTR_23_C */ 83