diff options
Diffstat (limited to 'lib/dns/rdata/any_255/tsig_250.c')
| -rw-r--r-- | lib/dns/rdata/any_255/tsig_250.c | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/lib/dns/rdata/any_255/tsig_250.c b/lib/dns/rdata/any_255/tsig_250.c new file mode 100644 index 0000000..5fe9254 --- /dev/null +++ b/lib/dns/rdata/any_255/tsig_250.c @@ -0,0 +1,622 @@ +/* + * 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; + bool sub; + uint64_t sigtime; + unsigned short n; + + 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); + sub = name_prefix(&name, tctx->origin, &prefix); + RETERR(dns_name_totext(&prefix, sub, 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-- = decdigits[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); + + dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); + + /* + * Algorithm Name. + */ + dns_name_init(&name, NULL); + RETERR(dns_name_fromwire(&name, source, dctx, options, 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_setmethods(cctx, DNS_COMPRESS_NONE); + dns_rdata_toregion(rdata, &sr); + dns_name_init(&name, offsets); + dns_name_fromregion(&name, &sr); + RETERR(dns_name_towire(&name, cctx, target)); + 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); + if (tsig->signature == NULL) { + goto cleanup; + } + 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); + if (tsig->other == NULL) { + goto cleanup; + } + + tsig->mctx = mctx; + return (ISC_R_SUCCESS); + +cleanup: + if (mctx != NULL) { + dns_name_free(&tsig->algorithm, tsig->mctx); + } + if (mctx != NULL && tsig->signature != NULL) { + isc_mem_free(mctx, tsig->signature); + } + return (ISC_R_NOMEMORY); +} + +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 */ |