rdata/generic/ipseckey_45.c

	ipseckey_45.c revision 431a83fb29482c5170b3e4026e59bb14849a6707
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff/*
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff * Copyright (C) 2005, 2007, 2009, 2011, 2012, 2014  Internet Systems Consortium, Inc. ("ISC")
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence *
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff * Permission to use, copy, modify, and/or distribute this software for any
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff * purpose with or without fee is hereby granted, provided that the above
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff * copyright notice and this permission notice appear in all copies.
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence *
15a44745412679c30a6d022733925af70a38b715David Lawrence * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
15a44745412679c30a6d022733925af70a38b715David Lawrence * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
15a44745412679c30a6d022733925af70a38b715David Lawrence * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
15a44745412679c30a6d022733925af70a38b715David Lawrence * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15a44745412679c30a6d022733925af70a38b715David Lawrence * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15a44745412679c30a6d022733925af70a38b715David Lawrence * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15a44745412679c30a6d022733925af70a38b715David Lawrence * PERFORMANCE OF THIS SOFTWARE.
15a44745412679c30a6d022733925af70a38b715David Lawrence */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff/* $Id$ */
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence
9c3531d72aeaad6c5f01efe6a1c82023e1379e4dDavid Lawrence#ifndef RDATA_GENERIC_IPSECKEY_45_C
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff#define RDATA_GENERIC_IPSECKEY_45_C
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff#include <string.h>
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff#include <isc/net.h>
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff#define RRTYPE_IPSECKEY_ATTRIBUTES (0)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graffstatic inline isc_result_t
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Grafffromtext_ipseckey(ARGS_FROMTEXT) {
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    isc_token_t token;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    dns_name_t name;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    isc_buffer_t buffer;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    unsigned int gateway;
b81306ccd14066cb7378f7f74bbf3843b5a88985Michael Graff    struct in_addr addr;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    unsigned char addr6[16];
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    isc_region_t region;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    REQUIRE(type == 45);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    UNUSED(type);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    UNUSED(rdclass);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    UNUSED(callbacks);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    /*
c05e003dce672b2f8555a3e56857f29ce89c1677Michael Graff     * Precedence.
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
7a166c5c61a5aaa6eeb929bed152dc0a6b128e3dMichael Graff                      ISC_FALSE));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    if (token.value.as_ulong > 0xffU)
c05e003dce672b2f8555a3e56857f29ce89c1677Michael Graff        RETTOK(ISC_R_RANGE);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    RETERR(uint8_tobuffer(token.value.as_ulong, target));
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    /*
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     * Gateway type.
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     */
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff                      ISC_FALSE));
58ff88cca7c169f7fbebc9b6e93bbba1fb345157Michael Graff    if (token.value.as_ulong > 0x3U)
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        RETTOK(ISC_R_RANGE);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    RETERR(uint8_tobuffer(token.value.as_ulong, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    gateway = token.value.as_ulong;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    /*
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     * Algorithm.
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff     */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff                      ISC_FALSE));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    if (token.value.as_ulong > 0xffU)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        RETTOK(ISC_R_RANGE);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    RETERR(uint8_tobuffer(token.value.as_ulong, target));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    /*
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     * Gateway.
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff                      ISC_FALSE));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    switch (gateway) {
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 0:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (strcmp(DNS_AS_STR(token), ".") != 0)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff            RETTOK(DNS_R_SYNTAX);
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff        break;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 1:
b81306ccd14066cb7378f7f74bbf3843b5a88985Michael Graff        if (getquad(DNS_AS_STR(token), &addr, lexer, callbacks) != 1)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff            RETTOK(DNS_R_BADDOTTEDQUAD);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        isc_buffer_availableregion(target, &region);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (region.length < 4)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff            return (ISC_R_NOSPACE);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        memmove(region.base, &addr, 4);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_add(target, 4);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        break;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 2:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (inet_pton(AF_INET6, DNS_AS_STR(token), addr6) != 1)
c05e003dce672b2f8555a3e56857f29ce89c1677Michael Graff            RETTOK(DNS_R_BADAAAA);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_availableregion(target, &region);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (region.length < 16)
7a166c5c61a5aaa6eeb929bed152dc0a6b128e3dMichael Graff            return (ISC_R_NOSPACE);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        memmove(region.base, addr6, 16);
c05e003dce672b2f8555a3e56857f29ce89c1677Michael Graff        isc_buffer_add(target, 16);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        break;
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    case 3:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        dns_name_init(&name, NULL);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        buffer_fromregion(&buffer, &token.value.as_region);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        origin = (origin != NULL) ? origin : dns_rootname;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        RETTOK(dns_name_fromtext(&name, &buffer, origin,
58ff88cca7c169f7fbebc9b6e93bbba1fb345157Michael Graff                     options, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        break;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    }
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    /*
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     * Public key.
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff     */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    return (isc_base64_tobuffer(lexer, target, -1));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff}
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graffstatic inline isc_result_t
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Grafftotext_ipseckey(ARGS_TOTEXT) {
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    isc_region_t region;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    dns_name_t name;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    char buf[sizeof("255 ")];
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    unsigned short num;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    unsigned short gateway;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    REQUIRE(rdata->type == 45);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    REQUIRE(rdata->length >= 3);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    dns_name_init(&name, NULL);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    if (rdata->data[1] > 3U)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        return (ISC_R_NOTIMPLEMENTED);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
b81306ccd14066cb7378f7f74bbf3843b5a88985Michael Graff    if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        RETERR(str_totext("( ", target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    /*
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     * Precedence.
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     */
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    dns_rdata_toregion(rdata, &region);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    num = uint8_fromregion(&region);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    isc_region_consume(&region, 1);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    sprintf(buf, "%u ", num);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    RETERR(str_totext(buf, target));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
58ff88cca7c169f7fbebc9b6e93bbba1fb345157Michael Graff    /*
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff     * Gateway type.
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     */
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    gateway = uint8_fromregion(&region);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    isc_region_consume(&region, 1);
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    sprintf(buf, "%u ", gateway);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    RETERR(str_totext(buf, target));
7a166c5c61a5aaa6eeb929bed152dc0a6b128e3dMichael Graff
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    /*
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     * Algorithm.
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     */
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    num = uint8_fromregion(&region);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    isc_region_consume(&region, 1);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    sprintf(buf, "%u ", num);
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    RETERR(str_totext(buf, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    /*
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     * Gateway.
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff     */
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff    switch (gateway) {
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff    case 0:
031ce3bc62d273c5bd99596e01aa95c7ed33bbd7Brian Wellington        RETERR(str_totext(".", target));
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff        break;
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    case 1:
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        RETERR(inet_totext(AF_INET, &region, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        isc_region_consume(&region, 4);
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff        break;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    case 2:
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        RETERR(inet_totext(AF_INET6, &region, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        isc_region_consume(&region, 16);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        break;
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 3:
b81306ccd14066cb7378f7f74bbf3843b5a88985Michael Graff        dns_name_fromregion(&name, &region);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        RETERR(dns_name_totext(&name, ISC_FALSE, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        isc_region_consume(&region, name_length(&name));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        break;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    }
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    /*
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff     * Key.
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff     */
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    if (region.length > 0U) {
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        RETERR(str_totext(tctx->linebreak, target));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (tctx->width == 0)   /* No splitting */
58ff88cca7c169f7fbebc9b6e93bbba1fb345157Michael Graff            RETERR(isc_base64_totext(&region, 60, "", target));
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff        else
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff            RETERR(isc_base64_totext(&region, tctx->width - 2,
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff                         tctx->linebreak, target));
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    }
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
7a166c5c61a5aaa6eeb929bed152dc0a6b128e3dMichael Graff        RETERR(str_totext(" )", target));
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    return (ISC_R_SUCCESS);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff}
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graffstatic inline isc_result_t
658db10162f779c8a5ed4e40c77111a7e18492beMichael Grafffromwire_ipseckey(ARGS_FROMWIRE) {
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    dns_name_t name;
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff    isc_region_t region;
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    REQUIRE(type == 45);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    UNUSED(type);
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff    UNUSED(rdclass);
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff
031ce3bc62d273c5bd99596e01aa95c7ed33bbd7Brian Wellington    dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff    dns_name_init(&name, NULL);
28dff2287e42c8b83eda2abb95667b4596dc994bMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    isc_buffer_activeregion(source, &region);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    if (region.length < 3)
8cd870e3f5e3db9808a4a0d6f98db3d1a5348e40Michael Graff        return (ISC_R_UNEXPECTEDEND);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    switch (region.base[1]) {
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff    case 0:
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        isc_buffer_forward(source, region.length);
658db10162f779c8a5ed4e40c77111a7e18492beMichael Graff        return (mem_tobuffer(target, region.base, region.length));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 1:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (region.length < 7)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff            return (ISC_R_UNEXPECTEDEND);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_forward(source, region.length);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        return (mem_tobuffer(target, region.base, region.length));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 2:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        if (region.length < 19)
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff            return (ISC_R_UNEXPECTEDEND);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_forward(source, region.length);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        return (mem_tobuffer(target, region.base, region.length));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    case 3:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        RETERR(mem_tobuffer(target, region.base, 3));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_forward(source, 3);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        RETERR(dns_name_fromwire(&name, source, dctx, options, target));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_activeregion(source, &region);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        isc_buffer_forward(source, region.length);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        return(mem_tobuffer(target, region.base, region.length));
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    default:
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff        return (ISC_R_NOTIMPLEMENTED);
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    }
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff}
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graffstatic inline isc_result_t
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Grafftowire_ipseckey(ARGS_TOWIRE) {
64bed6c54393c2d213db83e9b171fb7c318cfc8eMichael Graff    isc_region_t region;

    REQUIRE(rdata->type == 45);
    REQUIRE(rdata->length != 0);

    UNUSED(cctx);

    dns_rdata_toregion(rdata, &region);
    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, &region1);
    dns_rdata_toregion(rdata2, &region2);

    return (isc_region_compare(&region1, &region2));
}

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, &region);
        RETERR(isc_buffer_copyregion(target, &region));
        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, &region);

    ipseckey->precedence = uint8_fromregion(&region);
    isc_region_consume(&region, 1);

    ipseckey->gateway_type = uint8_fromregion(&region);
    isc_region_consume(&region, 1);

    ipseckey->algorithm = uint8_fromregion(&region);
    isc_region_consume(&region, 1);

    switch (ipseckey->gateway_type) {
    case 0:
        break;

    case 1:
        n = uint32_fromregion(&region);
        ipseckey->in_addr.s_addr = htonl(n);
        isc_region_consume(&region, 4);
        break;

    case 2:
        memmove(ipseckey->in6_addr.s6_addr, region.base, 16);
        isc_region_consume(&region, 16);
        break;

    case 3:
        dns_name_init(&ipseckey->gateway, NULL);
        dns_name_fromregion(&name, &region);
        RETERR(name_duporclone(&name, mctx, &ipseckey->gateway));
        isc_region_consume(&region, 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, &region);
    return ((digest)(arg, &region));
}

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, &region1);
    dns_rdata_toregion(rdata2, &region2);

    if (memcmp(region1.base, region2.base, 3) != 0 || region1.base[1] != 3)
        return (isc_region_compare(&region1, &region2));

    dns_name_init(&name1, NULL);
    dns_name_init(&name2, NULL);

    isc_region_consume(&region1, 3);
    isc_region_consume(&region2, 3);

    dns_name_fromregion(&name1, &region1);
    dns_name_fromregion(&name2, &region2);

    order = dns_name_rdatacompare(&name1, &name2);
    if (order != 0)
        return (order);

    isc_region_consume(&region1, name_length(&name1));
    isc_region_consume(&region2, name_length(&name2));

    return (isc_region_compare(&region1, &region2));
}

#endif  /* RDATA_GENERIC_IPSECKEY_45_C */