diff options
Diffstat (limited to 'lib/dns/rdata/generic/key_25.c')
| -rw-r--r-- | lib/dns/rdata/generic/key_25.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/key_25.c b/lib/dns/rdata/generic/key_25.c new file mode 100644 index 0000000..9acfe95 --- /dev/null +++ b/lib/dns/rdata/generic/key_25.c @@ -0,0 +1,312 @@ +/* + * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1999-2003 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: key_25.c,v 1.51 2007/06/19 23:47:17 tbox Exp $ */ + +/* + * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley. + */ + +/* RFC2535 */ + +#ifndef RDATA_GENERIC_KEY_25_C +#define RDATA_GENERIC_KEY_25_C + +#include <dst/dst.h> + +#define RRTYPE_KEY_ATTRIBUTES (0) + +static inline isc_result_t +fromtext_key(ARGS_FROMTEXT) { + isc_token_t token; + dns_secalg_t alg; + dns_secproto_t proto; + dns_keyflags_t flags; + + REQUIRE(type == 25); + + UNUSED(type); + UNUSED(rdclass); + UNUSED(origin); + UNUSED(options); + UNUSED(callbacks); + + /* flags */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + ISC_FALSE)); + RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion)); + RETERR(uint16_tobuffer(flags, target)); + + /* protocol */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + ISC_FALSE)); + RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion)); + RETERR(mem_tobuffer(target, &proto, 1)); + + /* algorithm */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + ISC_FALSE)); + RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion)); + RETERR(mem_tobuffer(target, &alg, 1)); + + /* No Key? */ + if ((flags & 0xc000) == 0xc000) + return (ISC_R_SUCCESS); + + return (isc_base64_tobuffer(lexer, target, -1)); +} + +static inline isc_result_t +totext_key(ARGS_TOTEXT) { + isc_region_t sr; + char buf[sizeof("64000")]; + unsigned int flags; + unsigned char algorithm; + + REQUIRE(rdata->type == 25); + REQUIRE(rdata->length != 0); + + dns_rdata_toregion(rdata, &sr); + + /* flags */ + flags = uint16_fromregion(&sr); + isc_region_consume(&sr, 2); + sprintf(buf, "%u", flags); + RETERR(str_totext(buf, target)); + RETERR(str_totext(" ", target)); + + /* protocol */ + sprintf(buf, "%u", sr.base[0]); + isc_region_consume(&sr, 1); + RETERR(str_totext(buf, target)); + RETERR(str_totext(" ", target)); + + /* algorithm */ + algorithm = sr.base[0]; + sprintf(buf, "%u", algorithm); + isc_region_consume(&sr, 1); + RETERR(str_totext(buf, target)); + + /* No Key? */ + if ((flags & 0xc000) == 0xc000) + return (ISC_R_SUCCESS); + + /* key */ + if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) + RETERR(str_totext(" (", target)); + RETERR(str_totext(tctx->linebreak, target)); + RETERR(isc_base64_totext(&sr, tctx->width - 2, + tctx->linebreak, target)); + + if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0) + RETERR(str_totext(tctx->linebreak, target)); + else if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) + RETERR(str_totext(" ", target)); + + if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) + RETERR(str_totext(")", target)); + + if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0) { + isc_region_t tmpr; + + RETERR(str_totext(" ; key id = ", target)); + dns_rdata_toregion(rdata, &tmpr); + sprintf(buf, "%u", dst_region_computeid(&tmpr, algorithm)); + RETERR(str_totext(buf, target)); + } + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +fromwire_key(ARGS_FROMWIRE) { + isc_region_t sr; + + REQUIRE(type == 25); + + UNUSED(type); + UNUSED(rdclass); + UNUSED(dctx); + UNUSED(options); + + isc_buffer_activeregion(source, &sr); + if (sr.length < 4) + return (ISC_R_UNEXPECTEDEND); + + isc_buffer_forward(source, sr.length); + return (mem_tobuffer(target, sr.base, sr.length)); +} + +static inline isc_result_t +towire_key(ARGS_TOWIRE) { + isc_region_t sr; + + REQUIRE(rdata->type == 25); + REQUIRE(rdata->length != 0); + + UNUSED(cctx); + + dns_rdata_toregion(rdata, &sr); + return (mem_tobuffer(target, sr.base, sr.length)); +} + +static inline int +compare_key(ARGS_COMPARE) { + isc_region_t r1; + isc_region_t r2; + + REQUIRE(rdata1->type == rdata2->type); + REQUIRE(rdata1->rdclass == rdata2->rdclass); + REQUIRE(rdata1->type == 25); + REQUIRE(rdata1->length != 0); + REQUIRE(rdata2->length != 0); + + dns_rdata_toregion(rdata1, &r1); + dns_rdata_toregion(rdata2, &r2); + return (isc_region_compare(&r1, &r2)); +} + +static inline isc_result_t +fromstruct_key(ARGS_FROMSTRUCT) { + dns_rdata_key_t *key = source; + + REQUIRE(type == 25); + REQUIRE(source != NULL); + REQUIRE(key->common.rdtype == type); + REQUIRE(key->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + /* Flags */ + RETERR(uint16_tobuffer(key->flags, target)); + + /* Protocol */ + RETERR(uint8_tobuffer(key->protocol, target)); + + /* Algorithm */ + RETERR(uint8_tobuffer(key->algorithm, target)); + + /* Data */ + return (mem_tobuffer(target, key->data, key->datalen)); +} + +static inline isc_result_t +tostruct_key(ARGS_TOSTRUCT) { + dns_rdata_key_t *key = target; + isc_region_t sr; + + REQUIRE(rdata->type == 25); + REQUIRE(target != NULL); + REQUIRE(rdata->length != 0); + + key->common.rdclass = rdata->rdclass; + key->common.rdtype = rdata->type; + ISC_LINK_INIT(&key->common, link); + + dns_rdata_toregion(rdata, &sr); + + /* Flags */ + if (sr.length < 2) + return (ISC_R_UNEXPECTEDEND); + key->flags = uint16_fromregion(&sr); + isc_region_consume(&sr, 2); + + /* Protocol */ + if (sr.length < 1) + return (ISC_R_UNEXPECTEDEND); + key->protocol = uint8_fromregion(&sr); + isc_region_consume(&sr, 1); + + /* Algorithm */ + if (sr.length < 1) + return (ISC_R_UNEXPECTEDEND); + key->algorithm = uint8_fromregion(&sr); + isc_region_consume(&sr, 1); + + /* Data */ + key->datalen = sr.length; + key->data = mem_maybedup(mctx, sr.base, key->datalen); + if (key->data == NULL) + return (ISC_R_NOMEMORY); + + key->mctx = mctx; + return (ISC_R_SUCCESS); +} + +static inline void +freestruct_key(ARGS_FREESTRUCT) { + dns_rdata_key_t *key = (dns_rdata_key_t *) source; + + REQUIRE(source != NULL); + REQUIRE(key->common.rdtype == 25); + + if (key->mctx == NULL) + return; + + if (key->data != NULL) + isc_mem_free(key->mctx, key->data); + key->mctx = NULL; +} + +static inline isc_result_t +additionaldata_key(ARGS_ADDLDATA) { + REQUIRE(rdata->type == 25); + + UNUSED(rdata); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +digest_key(ARGS_DIGEST) { + isc_region_t r; + + REQUIRE(rdata->type == 25); + + dns_rdata_toregion(rdata, &r); + + return ((digest)(arg, &r)); +} + +static inline isc_boolean_t +checkowner_key(ARGS_CHECKOWNER) { + + REQUIRE(type == 25); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (ISC_TRUE); +} + +static inline isc_boolean_t +checknames_key(ARGS_CHECKNAMES) { + + REQUIRE(rdata->type == 25); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(bad); + + return (ISC_TRUE); +} + +#endif /* RDATA_GENERIC_KEY_25_C */ |