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bind9/lib/dns/rdata/any_255/tsig_250.c
Daniel Baumann f66ff7eae6
Adding upstream version 1:9.20.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 13:32:37 +02:00

608 lines
13 KiB
C

/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef RDATA_ANY_255_TSIG_250_C
#define RDATA_ANY_255_TSIG_250_C
#define RRTYPE_TSIG_ATTRIBUTES \
(DNS_RDATATYPEATTR_META | DNS_RDATATYPEATTR_NOTQUESTION)
static isc_result_t
fromtext_any_tsig(ARGS_FROMTEXT) {
isc_token_t token;
dns_name_t name;
uint64_t sigtime;
isc_buffer_t buffer;
dns_rcode_t rcode;
long i;
char *e;
REQUIRE(type == dns_rdatatype_tsig);
REQUIRE(rdclass == dns_rdataclass_any);
UNUSED(type);
UNUSED(rdclass);
UNUSED(callbacks);
/*
* Algorithm Name.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region);
if (origin == NULL) {
origin = dns_rootname;
}
RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
/*
* Time Signed: 48 bits.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
sigtime = strtoull(DNS_AS_STR(token), &e, 10);
if (*e != 0) {
RETTOK(DNS_R_SYNTAX);
}
if ((sigtime >> 48) != 0) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer((uint16_t)(sigtime >> 32), target));
RETERR(uint32_tobuffer((uint32_t)(sigtime & 0xffffffffU), target));
/*
* Fudge.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/*
* Signature Size.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/*
* Signature.
*/
RETERR(isc_base64_tobuffer(lexer, target, (int)token.value.as_ulong));
/*
* Original ID.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/*
* Error.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
if (dns_tsigrcode_fromtext(&rcode, &token.value.as_textregion) !=
ISC_R_SUCCESS)
{
i = strtol(DNS_AS_STR(token), &e, 10);
if (*e != 0) {
RETTOK(DNS_R_UNKNOWN);
}
if (i < 0 || i > 0xffff) {
RETTOK(ISC_R_RANGE);
}
rcode = (dns_rcode_t)i;
}
RETERR(uint16_tobuffer(rcode, target));
/*
* Other Len.
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/*
* Other Data.
*/
return isc_base64_tobuffer(lexer, target, (int)token.value.as_ulong);
}
static isc_result_t
totext_any_tsig(ARGS_TOTEXT) {
isc_region_t sr;
isc_region_t sigr;
char buf[sizeof(" 281474976710655 ")];
char *bufp;
dns_name_t name;
dns_name_t prefix;
uint64_t sigtime;
unsigned short n;
unsigned int opts;
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
REQUIRE(rdata->length != 0);
dns_rdata_toregion(rdata, &sr);
/*
* Algorithm Name.
*/
dns_name_init(&name, NULL);
dns_name_init(&prefix, NULL);
dns_name_fromregion(&name, &sr);
opts = name_prefix(&name, tctx->origin, &prefix) ? DNS_NAME_OMITFINALDOT
: 0;
RETERR(dns_name_totext(&prefix, opts, target));
RETERR(str_totext(" ", target));
isc_region_consume(&sr, name_length(&name));
/*
* Time Signed.
*/
sigtime = ((uint64_t)sr.base[0] << 40) | ((uint64_t)sr.base[1] << 32) |
((uint64_t)sr.base[2] << 24) | ((uint64_t)sr.base[3] << 16) |
((uint64_t)sr.base[4] << 8) | (uint64_t)sr.base[5];
isc_region_consume(&sr, 6);
bufp = &buf[sizeof(buf) - 1];
*bufp-- = 0;
*bufp-- = ' ';
do {
*bufp-- = '0' + sigtime % 10;
sigtime /= 10;
} while (sigtime != 0);
bufp++;
RETERR(str_totext(bufp, target));
/*
* Fudge.
*/
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* Signature Size.
*/
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
snprintf(buf, sizeof(buf), "%u", n);
RETERR(str_totext(buf, target));
/*
* Signature.
*/
if (n != 0U) {
REQUIRE(n <= sr.length);
sigr = sr;
sigr.length = n;
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
RETERR(str_totext(" (", target));
}
RETERR(str_totext(tctx->linebreak, target));
if (tctx->width == 0) { /* No splitting */
RETERR(isc_base64_totext(&sigr, 60, "", target));
} else {
RETERR(isc_base64_totext(&sigr, tctx->width - 2,
tctx->linebreak, target));
}
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
RETERR(str_totext(" ) ", target));
} else {
RETERR(str_totext(" ", target));
}
isc_region_consume(&sr, n);
} else {
RETERR(str_totext(" ", target));
}
/*
* Original ID.
*/
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* Error.
*/
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
RETERR(dns_tsigrcode_totext((dns_rcode_t)n, target));
/*
* Other Size.
*/
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
snprintf(buf, sizeof(buf), " %u ", n);
RETERR(str_totext(buf, target));
/*
* Other.
*/
if (tctx->width == 0) { /* No splitting */
return isc_base64_totext(&sr, 60, "", target);
} else {
return isc_base64_totext(&sr, 60, " ", target);
}
}
static isc_result_t
fromwire_any_tsig(ARGS_FROMWIRE) {
isc_region_t sr;
dns_name_t name;
unsigned long n;
REQUIRE(type == dns_rdatatype_tsig);
REQUIRE(rdclass == dns_rdataclass_any);
UNUSED(type);
UNUSED(rdclass);
dctx = dns_decompress_setpermitted(dctx, false);
/*
* Algorithm Name.
*/
dns_name_init(&name, NULL);
RETERR(dns_name_fromwire(&name, source, dctx, target));
isc_buffer_activeregion(source, &sr);
/*
* Time Signed + Fudge.
*/
if (sr.length < 8) {
return ISC_R_UNEXPECTEDEND;
}
RETERR(mem_tobuffer(target, sr.base, 8));
isc_region_consume(&sr, 8);
isc_buffer_forward(source, 8);
/*
* Signature Length + Signature.
*/
if (sr.length < 2) {
return ISC_R_UNEXPECTEDEND;
}
n = uint16_fromregion(&sr);
if (sr.length < n + 2) {
return ISC_R_UNEXPECTEDEND;
}
RETERR(mem_tobuffer(target, sr.base, n + 2));
isc_region_consume(&sr, n + 2);
isc_buffer_forward(source, n + 2);
/*
* Original ID + Error.
*/
if (sr.length < 4) {
return ISC_R_UNEXPECTEDEND;
}
RETERR(mem_tobuffer(target, sr.base, 4));
isc_region_consume(&sr, 4);
isc_buffer_forward(source, 4);
/*
* Other Length + Other.
*/
if (sr.length < 2) {
return ISC_R_UNEXPECTEDEND;
}
n = uint16_fromregion(&sr);
if (sr.length < n + 2) {
return ISC_R_UNEXPECTEDEND;
}
isc_buffer_forward(source, n + 2);
return mem_tobuffer(target, sr.base, n + 2);
}
static isc_result_t
towire_any_tsig(ARGS_TOWIRE) {
isc_region_t sr;
dns_name_t name;
dns_offsets_t offsets;
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
REQUIRE(rdata->length != 0);
dns_compress_setpermitted(cctx, false);
dns_rdata_toregion(rdata, &sr);
dns_name_init(&name, offsets);
dns_name_fromregion(&name, &sr);
RETERR(dns_name_towire(&name, cctx, target, NULL));
isc_region_consume(&sr, name_length(&name));
return mem_tobuffer(target, sr.base, sr.length);
}
static int
compare_any_tsig(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
dns_name_t name1;
dns_name_t name2;
int order;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_tsig);
REQUIRE(rdata1->rdclass == dns_rdataclass_any);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
dns_name_init(&name1, NULL);
dns_name_init(&name2, NULL);
dns_name_fromregion(&name1, &r1);
dns_name_fromregion(&name2, &r2);
order = dns_name_rdatacompare(&name1, &name2);
if (order != 0) {
return order;
}
isc_region_consume(&r1, name_length(&name1));
isc_region_consume(&r2, name_length(&name2));
return isc_region_compare(&r1, &r2);
}
static isc_result_t
fromstruct_any_tsig(ARGS_FROMSTRUCT) {
dns_rdata_any_tsig_t *tsig = source;
isc_region_t tr;
REQUIRE(type == dns_rdatatype_tsig);
REQUIRE(rdclass == dns_rdataclass_any);
REQUIRE(tsig != NULL);
REQUIRE(tsig->common.rdclass == rdclass);
REQUIRE(tsig->common.rdtype == type);
UNUSED(type);
UNUSED(rdclass);
/*
* Algorithm Name.
*/
RETERR(name_tobuffer(&tsig->algorithm, target));
isc_buffer_availableregion(target, &tr);
if (tr.length < 6 + 2 + 2) {
return ISC_R_NOSPACE;
}
/*
* Time Signed: 48 bits.
*/
RETERR(uint16_tobuffer((uint16_t)(tsig->timesigned >> 32), target));
RETERR(uint32_tobuffer((uint32_t)(tsig->timesigned & 0xffffffffU),
target));
/*
* Fudge.
*/
RETERR(uint16_tobuffer(tsig->fudge, target));
/*
* Signature Size.
*/
RETERR(uint16_tobuffer(tsig->siglen, target));
/*
* Signature.
*/
RETERR(mem_tobuffer(target, tsig->signature, tsig->siglen));
isc_buffer_availableregion(target, &tr);
if (tr.length < 2 + 2 + 2) {
return ISC_R_NOSPACE;
}
/*
* Original ID.
*/
RETERR(uint16_tobuffer(tsig->originalid, target));
/*
* Error.
*/
RETERR(uint16_tobuffer(tsig->error, target));
/*
* Other Len.
*/
RETERR(uint16_tobuffer(tsig->otherlen, target));
/*
* Other Data.
*/
return mem_tobuffer(target, tsig->other, tsig->otherlen);
}
static isc_result_t
tostruct_any_tsig(ARGS_TOSTRUCT) {
dns_rdata_any_tsig_t *tsig;
dns_name_t alg;
isc_region_t sr;
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
REQUIRE(rdata->length != 0);
tsig = (dns_rdata_any_tsig_t *)target;
tsig->common.rdclass = rdata->rdclass;
tsig->common.rdtype = rdata->type;
ISC_LINK_INIT(&tsig->common, link);
dns_rdata_toregion(rdata, &sr);
/*
* Algorithm Name.
*/
dns_name_init(&alg, NULL);
dns_name_fromregion(&alg, &sr);
dns_name_init(&tsig->algorithm, NULL);
name_duporclone(&alg, mctx, &tsig->algorithm);
isc_region_consume(&sr, name_length(&tsig->algorithm));
/*
* Time Signed.
*/
INSIST(sr.length >= 6);
tsig->timesigned = ((uint64_t)sr.base[0] << 40) |
((uint64_t)sr.base[1] << 32) |
((uint64_t)sr.base[2] << 24) |
((uint64_t)sr.base[3] << 16) |
((uint64_t)sr.base[4] << 8) | (uint64_t)sr.base[5];
isc_region_consume(&sr, 6);
/*
* Fudge.
*/
tsig->fudge = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
/*
* Signature Size.
*/
tsig->siglen = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
/*
* Signature.
*/
INSIST(sr.length >= tsig->siglen);
tsig->signature = mem_maybedup(mctx, sr.base, tsig->siglen);
isc_region_consume(&sr, tsig->siglen);
/*
* Original ID.
*/
tsig->originalid = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
/*
* Error.
*/
tsig->error = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
/*
* Other Size.
*/
tsig->otherlen = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
/*
* Other.
*/
INSIST(sr.length == tsig->otherlen);
tsig->other = mem_maybedup(mctx, sr.base, tsig->otherlen);
tsig->mctx = mctx;
return ISC_R_SUCCESS;
}
static void
freestruct_any_tsig(ARGS_FREESTRUCT) {
dns_rdata_any_tsig_t *tsig = (dns_rdata_any_tsig_t *)source;
REQUIRE(tsig != NULL);
REQUIRE(tsig->common.rdtype == dns_rdatatype_tsig);
REQUIRE(tsig->common.rdclass == dns_rdataclass_any);
if (tsig->mctx == NULL) {
return;
}
dns_name_free(&tsig->algorithm, tsig->mctx);
if (tsig->signature != NULL) {
isc_mem_free(tsig->mctx, tsig->signature);
}
if (tsig->other != NULL) {
isc_mem_free(tsig->mctx, tsig->other);
}
tsig->mctx = NULL;
}
static isc_result_t
additionaldata_any_tsig(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
UNUSED(rdata);
UNUSED(owner);
UNUSED(add);
UNUSED(arg);
return ISC_R_SUCCESS;
}
static isc_result_t
digest_any_tsig(ARGS_DIGEST) {
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
UNUSED(rdata);
UNUSED(digest);
UNUSED(arg);
return ISC_R_NOTIMPLEMENTED;
}
static bool
checkowner_any_tsig(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_tsig);
REQUIRE(rdclass == dns_rdataclass_any);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return true;
}
static bool
checknames_any_tsig(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_tsig);
REQUIRE(rdata->rdclass == dns_rdataclass_any);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return true;
}
static int
casecompare_any_tsig(ARGS_COMPARE) {
return compare_any_tsig(rdata1, rdata2);
}
#endif /* RDATA_ANY_255_TSIG_250_C */