/contrib/bind9/lib/dns/rdata/generic/ipseckey_45.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 498 lines · 346 code · 106 blank · 46 comment · 69 complexity · 09ce19535454d75a9dea1d2ae25d163e MD5 · raw file
- /*
- * Copyright (C) 2005, 2007, 2009, 2011, 2012 Internet Systems Consortium, Inc. ("ISC")
- *
- * 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.
- */
- /* $Id$ */
- #ifndef RDATA_GENERIC_IPSECKEY_45_C
- #define RDATA_GENERIC_IPSECKEY_45_C
- #include <string.h>
- #include <isc/net.h>
- #define RRTYPE_IPSECKEY_ATTRIBUTES (0)
- static inline isc_result_t
- fromtext_ipseckey(ARGS_FROMTEXT) {
- isc_token_t token;
- dns_name_t name;
- isc_buffer_t buffer;
- unsigned int gateway;
- struct in_addr addr;
- unsigned char addr6[16];
- isc_region_t region;
- REQUIRE(type == 45);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(callbacks);
- /*
- * Precedence.
- */
- RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
- ISC_FALSE));
- if (token.value.as_ulong > 0xffU)
- RETTOK(ISC_R_RANGE);
- RETERR(uint8_tobuffer(token.value.as_ulong, target));
- /*
- * Gateway type.
- */
- RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
- ISC_FALSE));
- if (token.value.as_ulong > 0x3U)
- RETTOK(ISC_R_RANGE);
- RETERR(uint8_tobuffer(token.value.as_ulong, target));
- gateway = token.value.as_ulong;
- /*
- * Algorithm.
- */
- RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
- ISC_FALSE));
- if (token.value.as_ulong > 0xffU)
- RETTOK(ISC_R_RANGE);
- RETERR(uint8_tobuffer(token.value.as_ulong, target));
- /*
- * Gateway.
- */
- RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
- ISC_FALSE));
- switch (gateway) {
- case 0:
- if (strcmp(DNS_AS_STR(token), ".") != 0)
- RETTOK(DNS_R_SYNTAX);
- break;
- case 1:
- if (getquad(DNS_AS_STR(token), &addr, lexer, callbacks) != 1)
- RETTOK(DNS_R_BADDOTTEDQUAD);
- isc_buffer_availableregion(target, ®ion);
- if (region.length < 4)
- return (ISC_R_NOSPACE);
- memcpy(region.base, &addr, 4);
- isc_buffer_add(target, 4);
- break;
- case 2:
- if (inet_pton(AF_INET6, DNS_AS_STR(token), addr6) != 1)
- RETTOK(DNS_R_BADAAAA);
- isc_buffer_availableregion(target, ®ion);
- if (region.length < 16)
- return (ISC_R_NOSPACE);
- memcpy(region.base, addr6, 16);
- isc_buffer_add(target, 16);
- break;
- case 3:
- 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));
- break;
- }
- /*
- * Public key.
- */
- return (isc_base64_tobuffer(lexer, target, -1));
- }
- static inline isc_result_t
- totext_ipseckey(ARGS_TOTEXT) {
- isc_region_t region;
- dns_name_t name;
- char buf[sizeof("255 ")];
- unsigned short num;
- unsigned short gateway;
- REQUIRE(rdata->type == 45);
- REQUIRE(rdata->length >= 3);
- dns_name_init(&name, NULL);
- if (rdata->data[1] > 3U)
- return (ISC_R_NOTIMPLEMENTED);
- if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
- RETERR(str_totext("( ", target));
- /*
- * Precedence.
- */
- dns_rdata_toregion(rdata, ®ion);
- num = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- sprintf(buf, "%u ", num);
- RETERR(str_totext(buf, target));
- /*
- * Gateway type.
- */
- gateway = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- sprintf(buf, "%u ", gateway);
- RETERR(str_totext(buf, target));
- /*
- * Algorithm.
- */
- num = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- sprintf(buf, "%u ", num);
- RETERR(str_totext(buf, target));
- /*
- * Gateway.
- */
- switch (gateway) {
- case 0:
- RETERR(str_totext(".", target));
- break;
- case 1:
- RETERR(inet_totext(AF_INET, ®ion, target));
- isc_region_consume(®ion, 4);
- break;
- case 2:
- RETERR(inet_totext(AF_INET6, ®ion, target));
- isc_region_consume(®ion, 16);
- break;
- case 3:
- dns_name_fromregion(&name, ®ion);
- RETERR(dns_name_totext(&name, ISC_FALSE, target));
- isc_region_consume(®ion, name_length(&name));
- break;
- }
- /*
- * Key.
- */
- if (region.length > 0U) {
- RETERR(str_totext(tctx->linebreak, target));
- RETERR(isc_base64_totext(®ion, tctx->width - 2,
- tctx->linebreak, target));
- }
- if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
- RETERR(str_totext(" )", target));
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- fromwire_ipseckey(ARGS_FROMWIRE) {
- dns_name_t name;
- isc_region_t region;
- REQUIRE(type == 45);
- UNUSED(type);
- UNUSED(rdclass);
- dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
- dns_name_init(&name, NULL);
- isc_buffer_activeregion(source, ®ion);
- if (region.length < 3)
- return (ISC_R_UNEXPECTEDEND);
- switch (region.base[1]) {
- case 0:
- isc_buffer_forward(source, region.length);
- return (mem_tobuffer(target, region.base, region.length));
- case 1:
- if (region.length < 7)
- return (ISC_R_UNEXPECTEDEND);
- isc_buffer_forward(source, region.length);
- return (mem_tobuffer(target, region.base, region.length));
- case 2:
- if (region.length < 19)
- return (ISC_R_UNEXPECTEDEND);
- isc_buffer_forward(source, region.length);
- return (mem_tobuffer(target, region.base, region.length));
- case 3:
- RETERR(mem_tobuffer(target, region.base, 3));
- isc_buffer_forward(source, 3);
- RETERR(dns_name_fromwire(&name, source, dctx, options, target));
- isc_buffer_activeregion(source, ®ion);
- isc_buffer_forward(source, region.length);
- return(mem_tobuffer(target, region.base, region.length));
- default:
- return (ISC_R_NOTIMPLEMENTED);
- }
- }
- static inline isc_result_t
- towire_ipseckey(ARGS_TOWIRE) {
- isc_region_t region;
- REQUIRE(rdata->type == 45);
- REQUIRE(rdata->length != 0);
- UNUSED(cctx);
- dns_rdata_toregion(rdata, ®ion);
- return (mem_tobuffer(target, region.base, region.length));
- }
- static inline int
- compare_ipseckey(ARGS_COMPARE) {
- isc_region_t region1;
- isc_region_t region2;
- REQUIRE(rdata1->type == rdata2->type);
- REQUIRE(rdata1->rdclass == rdata2->rdclass);
- REQUIRE(rdata1->type == 45);
- REQUIRE(rdata1->length >= 3);
- REQUIRE(rdata2->length >= 3);
- dns_rdata_toregion(rdata1, ®ion1);
- dns_rdata_toregion(rdata2, ®ion2);
- return (isc_region_compare(®ion1, ®ion2));
- }
- static inline isc_result_t
- fromstruct_ipseckey(ARGS_FROMSTRUCT) {
- dns_rdata_ipseckey_t *ipseckey = source;
- isc_region_t region;
- isc_uint32_t n;
- REQUIRE(type == 45);
- REQUIRE(source != NULL);
- REQUIRE(ipseckey->common.rdtype == type);
- REQUIRE(ipseckey->common.rdclass == rdclass);
- UNUSED(type);
- UNUSED(rdclass);
- if (ipseckey->gateway_type > 3U)
- return (ISC_R_NOTIMPLEMENTED);
- RETERR(uint8_tobuffer(ipseckey->precedence, target));
- RETERR(uint8_tobuffer(ipseckey->gateway_type, target));
- RETERR(uint8_tobuffer(ipseckey->algorithm, target));
- switch (ipseckey->gateway_type) {
- case 0:
- break;
- case 1:
- n = ntohl(ipseckey->in_addr.s_addr);
- RETERR(uint32_tobuffer(n, target));
- break;
- case 2:
- RETERR(mem_tobuffer(target, ipseckey->in6_addr.s6_addr, 16));
- break;
- case 3:
- dns_name_toregion(&ipseckey->gateway, ®ion);
- RETERR(isc_buffer_copyregion(target, ®ion));
- break;
- }
- return (mem_tobuffer(target, ipseckey->key, ipseckey->keylength));
- }
- static inline isc_result_t
- tostruct_ipseckey(ARGS_TOSTRUCT) {
- isc_region_t region;
- dns_rdata_ipseckey_t *ipseckey = target;
- dns_name_t name;
- isc_uint32_t n;
- REQUIRE(rdata->type == 45);
- REQUIRE(target != NULL);
- REQUIRE(rdata->length >= 3);
- if (rdata->data[1] > 3U)
- return (ISC_R_NOTIMPLEMENTED);
- ipseckey->common.rdclass = rdata->rdclass;
- ipseckey->common.rdtype = rdata->type;
- ISC_LINK_INIT(&ipseckey->common, link);
- dns_name_init(&name, NULL);
- dns_rdata_toregion(rdata, ®ion);
- ipseckey->precedence = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- ipseckey->gateway_type = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- ipseckey->algorithm = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- switch (ipseckey->gateway_type) {
- case 0:
- break;
- case 1:
- n = uint32_fromregion(®ion);
- ipseckey->in_addr.s_addr = htonl(n);
- isc_region_consume(®ion, 4);
- break;
- case 2:
- memcpy(ipseckey->in6_addr.s6_addr, region.base, 16);
- isc_region_consume(®ion, 16);
- break;
- case 3:
- dns_name_init(&ipseckey->gateway, NULL);
- dns_name_fromregion(&name, ®ion);
- RETERR(name_duporclone(&name, mctx, &ipseckey->gateway));
- isc_region_consume(®ion, name_length(&name));
- break;
- }
- ipseckey->keylength = region.length;
- if (ipseckey->keylength != 0U) {
- ipseckey->key = mem_maybedup(mctx, region.base,
- ipseckey->keylength);
- if (ipseckey->key == NULL) {
- if (ipseckey->gateway_type == 3)
- dns_name_free(&ipseckey->gateway,
- ipseckey->mctx);
- return (ISC_R_NOMEMORY);
- }
- } else
- ipseckey->key = NULL;
- ipseckey->mctx = mctx;
- return (ISC_R_SUCCESS);
- }
- static inline void
- freestruct_ipseckey(ARGS_FREESTRUCT) {
- dns_rdata_ipseckey_t *ipseckey = source;
- REQUIRE(source != NULL);
- REQUIRE(ipseckey->common.rdtype == 45);
- if (ipseckey->mctx == NULL)
- return;
- if (ipseckey->gateway_type == 3)
- dns_name_free(&ipseckey->gateway, ipseckey->mctx);
- if (ipseckey->key != NULL)
- isc_mem_free(ipseckey->mctx, ipseckey->key);
- ipseckey->mctx = NULL;
- }
- static inline isc_result_t
- additionaldata_ipseckey(ARGS_ADDLDATA) {
- REQUIRE(rdata->type == 45);
- UNUSED(rdata);
- UNUSED(add);
- UNUSED(arg);
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- digest_ipseckey(ARGS_DIGEST) {
- isc_region_t region;
- REQUIRE(rdata->type == 45);
- dns_rdata_toregion(rdata, ®ion);
- return ((digest)(arg, ®ion));
- }
- static inline isc_boolean_t
- checkowner_ipseckey(ARGS_CHECKOWNER) {
- REQUIRE(type == 45);
- UNUSED(name);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(wildcard);
- return (ISC_TRUE);
- }
- static inline isc_boolean_t
- checknames_ipseckey(ARGS_CHECKNAMES) {
- REQUIRE(rdata->type == 45);
- UNUSED(rdata);
- UNUSED(owner);
- UNUSED(bad);
- return (ISC_TRUE);
- }
- static inline int
- casecompare_ipseckey(ARGS_COMPARE) {
- isc_region_t region1;
- isc_region_t region2;
- dns_name_t name1;
- dns_name_t name2;
- int order;
- REQUIRE(rdata1->type == rdata2->type);
- REQUIRE(rdata1->rdclass == rdata2->rdclass);
- REQUIRE(rdata1->type == 45);
- REQUIRE(rdata1->length >= 3);
- REQUIRE(rdata2->length >= 3);
- dns_rdata_toregion(rdata1, ®ion1);
- dns_rdata_toregion(rdata2, ®ion2);
- if (memcmp(region1.base, region2.base, 3) != 0 || region1.base[1] != 3)
- return (isc_region_compare(®ion1, ®ion2));
- dns_name_init(&name1, NULL);
- dns_name_init(&name2, NULL);
- isc_region_consume(®ion1, 3);
- isc_region_consume(®ion2, 3);
- dns_name_fromregion(&name1, ®ion1);
- dns_name_fromregion(&name2, ®ion2);
- order = dns_name_rdatacompare(&name1, &name2);
- if (order != 0)
- return (order);
- isc_region_consume(®ion1, name_length(&name1));
- isc_region_consume(®ion2, name_length(&name2));
- return (isc_region_compare(®ion1, ®ion2));
- }
- #endif /* RDATA_GENERIC_IPSECKEY_45_C */