diff options
Diffstat (limited to 'lib/dns/rdata/in_1/srv_33.c')
| -rw-r--r-- | lib/dns/rdata/in_1/srv_33.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/lib/dns/rdata/in_1/srv_33.c b/lib/dns/rdata/in_1/srv_33.c new file mode 100644 index 0000000..7bc85cd --- /dev/null +++ b/lib/dns/rdata/in_1/srv_33.c @@ -0,0 +1,373 @@ +/* + * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1999-2001, 2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: srv_33.c,v 1.45 2007/06/19 23:47:17 tbox Exp $ */ + +/* Reviewed: Fri Mar 17 13:01:00 PST 2000 by bwelling */ + +/* RFC2782 */ + +#ifndef RDATA_IN_1_SRV_33_C +#define RDATA_IN_1_SRV_33_C + +#define RRTYPE_SRV_ATTRIBUTES (0) + +static inline isc_result_t +fromtext_in_srv(ARGS_FROMTEXT) { + isc_token_t token; + dns_name_t name; + isc_buffer_t buffer; + isc_boolean_t ok; + + REQUIRE(type == 33); + REQUIRE(rdclass == 1); + + UNUSED(type); + UNUSED(rdclass); + UNUSED(callbacks); + + /* + * Priority. + */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, + ISC_FALSE)); + if (token.value.as_ulong > 0xffffU) + RETTOK(ISC_R_RANGE); + RETERR(uint16_tobuffer(token.value.as_ulong, target)); + + /* + * Weight. + */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, + ISC_FALSE)); + if (token.value.as_ulong > 0xffffU) + RETTOK(ISC_R_RANGE); + RETERR(uint16_tobuffer(token.value.as_ulong, target)); + + /* + * Port. + */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, + ISC_FALSE)); + if (token.value.as_ulong > 0xffffU) + RETTOK(ISC_R_RANGE); + RETERR(uint16_tobuffer(token.value.as_ulong, target)); + + /* + * Target. + */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + ISC_FALSE)); + dns_name_init(&name, NULL); + buffer_fromregion(&buffer, &token.value.as_region); + origin = (origin != NULL) ? origin : dns_rootname; + RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); + ok = ISC_TRUE; + if ((options & DNS_RDATA_CHECKNAMES) != 0) + ok = dns_name_ishostname(&name, ISC_FALSE); + if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) + RETTOK(DNS_R_BADNAME); + if (!ok && callbacks != NULL) + warn_badname(&name, lexer, callbacks); + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +totext_in_srv(ARGS_TOTEXT) { + isc_region_t region; + dns_name_t name; + dns_name_t prefix; + isc_boolean_t sub; + char buf[sizeof("64000")]; + unsigned short num; + + REQUIRE(rdata->type == 33); + REQUIRE(rdata->rdclass == 1); + REQUIRE(rdata->length != 0); + + dns_name_init(&name, NULL); + dns_name_init(&prefix, NULL); + + /* + * Priority. + */ + dns_rdata_toregion(rdata, ®ion); + num = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + sprintf(buf, "%u", num); + RETERR(str_totext(buf, target)); + RETERR(str_totext(" ", target)); + + /* + * Weight. + */ + num = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + sprintf(buf, "%u", num); + RETERR(str_totext(buf, target)); + RETERR(str_totext(" ", target)); + + /* + * Port. + */ + num = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + sprintf(buf, "%u", num); + RETERR(str_totext(buf, target)); + RETERR(str_totext(" ", target)); + + /* + * Target. + */ + dns_name_fromregion(&name, ®ion); + sub = name_prefix(&name, tctx->origin, &prefix); + return (dns_name_totext(&prefix, sub, target)); +} + +static inline isc_result_t +fromwire_in_srv(ARGS_FROMWIRE) { + dns_name_t name; + isc_region_t sr; + + REQUIRE(type == 33); + REQUIRE(rdclass == 1); + + UNUSED(type); + UNUSED(rdclass); + + dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); + + dns_name_init(&name, NULL); + + /* + * Priority, weight, port. + */ + isc_buffer_activeregion(source, &sr); + if (sr.length < 6) + return (ISC_R_UNEXPECTEDEND); + RETERR(mem_tobuffer(target, sr.base, 6)); + isc_buffer_forward(source, 6); + + /* + * Target. + */ + return (dns_name_fromwire(&name, source, dctx, options, target)); +} + +static inline isc_result_t +towire_in_srv(ARGS_TOWIRE) { + dns_name_t name; + dns_offsets_t offsets; + isc_region_t sr; + + REQUIRE(rdata->type == 33); + REQUIRE(rdata->length != 0); + + dns_compress_setmethods(cctx, DNS_COMPRESS_NONE); + /* + * Priority, weight, port. + */ + dns_rdata_toregion(rdata, &sr); + RETERR(mem_tobuffer(target, sr.base, 6)); + isc_region_consume(&sr, 6); + + /* + * Target. + */ + dns_name_init(&name, offsets); + dns_name_fromregion(&name, &sr); + return (dns_name_towire(&name, cctx, target)); +} + +static inline int +compare_in_srv(ARGS_COMPARE) { + dns_name_t name1; + dns_name_t name2; + isc_region_t region1; + isc_region_t region2; + int order; + + REQUIRE(rdata1->type == rdata2->type); + REQUIRE(rdata1->rdclass == rdata2->rdclass); + REQUIRE(rdata1->type == 33); + REQUIRE(rdata1->rdclass == 1); + REQUIRE(rdata1->length != 0); + REQUIRE(rdata2->length != 0); + + /* + * Priority, weight, port. + */ + order = memcmp(rdata1->data, rdata2->data, 6); + if (order != 0) + return (order < 0 ? -1 : 1); + + /* + * Target. + */ + dns_name_init(&name1, NULL); + dns_name_init(&name2, NULL); + + dns_rdata_toregion(rdata1, ®ion1); + dns_rdata_toregion(rdata2, ®ion2); + + isc_region_consume(®ion1, 6); + isc_region_consume(®ion2, 6); + + dns_name_fromregion(&name1, ®ion1); + dns_name_fromregion(&name2, ®ion2); + + return (dns_name_rdatacompare(&name1, &name2)); +} + +static inline isc_result_t +fromstruct_in_srv(ARGS_FROMSTRUCT) { + dns_rdata_in_srv_t *srv = source; + isc_region_t region; + + REQUIRE(type == 33); + REQUIRE(rdclass == 1); + REQUIRE(source != NULL); + REQUIRE(srv->common.rdtype == type); + REQUIRE(srv->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + RETERR(uint16_tobuffer(srv->priority, target)); + RETERR(uint16_tobuffer(srv->weight, target)); + RETERR(uint16_tobuffer(srv->port, target)); + dns_name_toregion(&srv->target, ®ion); + return (isc_buffer_copyregion(target, ®ion)); +} + +static inline isc_result_t +tostruct_in_srv(ARGS_TOSTRUCT) { + isc_region_t region; + dns_rdata_in_srv_t *srv = target; + dns_name_t name; + + REQUIRE(rdata->rdclass == 1); + REQUIRE(rdata->type == 33); + REQUIRE(target != NULL); + REQUIRE(rdata->length != 0); + + srv->common.rdclass = rdata->rdclass; + srv->common.rdtype = rdata->type; + ISC_LINK_INIT(&srv->common, link); + + dns_name_init(&name, NULL); + dns_rdata_toregion(rdata, ®ion); + srv->priority = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + srv->weight = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + srv->port = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + dns_name_fromregion(&name, ®ion); + dns_name_init(&srv->target, NULL); + RETERR(name_duporclone(&name, mctx, &srv->target)); + srv->mctx = mctx; + return (ISC_R_SUCCESS); +} + +static inline void +freestruct_in_srv(ARGS_FREESTRUCT) { + dns_rdata_in_srv_t *srv = source; + + REQUIRE(source != NULL); + REQUIRE(srv->common.rdclass == 1); + REQUIRE(srv->common.rdtype == 33); + + if (srv->mctx == NULL) + return; + + dns_name_free(&srv->target, srv->mctx); + srv->mctx = NULL; +} + +static inline isc_result_t +additionaldata_in_srv(ARGS_ADDLDATA) { + dns_name_t name; + dns_offsets_t offsets; + isc_region_t region; + + REQUIRE(rdata->type == 33); + REQUIRE(rdata->rdclass == 1); + + dns_name_init(&name, offsets); + dns_rdata_toregion(rdata, ®ion); + isc_region_consume(®ion, 6); + dns_name_fromregion(&name, ®ion); + + return ((add)(arg, &name, dns_rdatatype_a)); +} + +static inline isc_result_t +digest_in_srv(ARGS_DIGEST) { + isc_region_t r1, r2; + dns_name_t name; + + REQUIRE(rdata->type == 33); + REQUIRE(rdata->rdclass == 1); + + dns_rdata_toregion(rdata, &r1); + r2 = r1; + isc_region_consume(&r2, 6); + r1.length = 6; + RETERR((digest)(arg, &r1)); + dns_name_init(&name, NULL); + dns_name_fromregion(&name, &r2); + return (dns_name_digest(&name, digest, arg)); +} + +static inline isc_boolean_t +checkowner_in_srv(ARGS_CHECKOWNER) { + + REQUIRE(type == 33); + REQUIRE(rdclass == 1); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (ISC_TRUE); +} + +static inline isc_boolean_t +checknames_in_srv(ARGS_CHECKNAMES) { + isc_region_t region; + dns_name_t name; + + REQUIRE(rdata->type == 33); + REQUIRE(rdata->rdclass == 1); + + UNUSED(owner); + + dns_rdata_toregion(rdata, ®ion); + isc_region_consume(®ion, 6); + dns_name_init(&name, NULL); + dns_name_fromregion(&name, ®ion); + if (!dns_name_ishostname(&name, ISC_FALSE)) { + if (bad != NULL) + dns_name_clone(&name, bad); + return (ISC_FALSE); + } + return (ISC_TRUE); +} + +#endif /* RDATA_IN_1_SRV_33_C */ |