5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

e4653123ecc6cdbfc0b9eda6e98e44af3b1f9a08Mark Andrews /* $Id: rdata.c,v 1.28 1999/02/05 06:41:20 marka Exp $ */

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff#include <config.h>

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff#include <stdio.h>

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews#include <time.h>

3761c433912beabe43abeed2c3513b6201c59f64Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <isc/buffer.h>

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <isc/lex.h>

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff#include <isc/assertions.h>

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <dns/types.h>

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <dns/result.h>

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <dns/rdata.h>

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include <dns/region.h>

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews#include <dns/rdataclass.h>

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews#include <dns/rdatatype.h>

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews#include <dns/rcode.h>

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews#include <dns/cert.h>

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews#include <dns/secalg.h>

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

eb6bd543c7d072efdca509eb17f8f301c1467b53Mark Andrews#define RETERR(x) do { \

deaaf94332abbfdb3aff53675546acfed16e5eb6Mark Andrews dns_result_t __r = (x); \

deaaf94332abbfdb3aff53675546acfed16e5eb6Mark Andrews if (__r != DNS_R_SUCCESS) \

deaaf94332abbfdb3aff53675546acfed16e5eb6Mark Andrews return (__r); \

eb6bd543c7d072efdca509eb17f8f301c1467b53Mark Andrews } while (0)

deaaf94332abbfdb3aff53675546acfed16e5eb6Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t txt_totext(isc_region_t *source, isc_buffer_t *target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t txt_fromtext(isc_textregion_t *source,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t txt_fromwire(isc_buffer_t *source,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic isc_boolean_t name_prefix(dns_name_t *name, dns_name_t *origin,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_name_t *target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic unsigned int name_length(dns_name_t *name);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t str_totext(char *source, isc_buffer_t *target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic isc_boolean_t buffer_empty(isc_buffer_t *source);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic void buffer_fromregion(isc_buffer_t *buffer,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t *region,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int type);

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic dns_result_t uint32_tobuffer(isc_uint32_t,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target);

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic dns_result_t uint16_tobuffer(isc_uint32_t,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target);

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic isc_uint32_t uint32_fromregion(isc_region_t *region);

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic isc_uint16_t uint16_fromregion(isc_region_t *region);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic dns_result_t gettoken(isc_lex_t *lexer, isc_token_t *token,

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_tokentype_t expect, isc_boolean_t eol);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic dns_result_t mem_tobuffer(isc_buffer_t *target, void *base,

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews unsigned int length);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic int compare_region(isc_region_t *r1, isc_region_t *r2);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic int hexvalue(char value);

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrewsstatic int decvalue(char value);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t base64_totext(isc_region_t *source,

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_t *target);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t base64_tobuffer(isc_lex_t *lexer,

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews isc_buffer_t *target,

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews int length);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t time_totext(unsigned long value,

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_buffer_t *target);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrewsstatic dns_result_t time_tobuffer(char *source, isc_buffer_t *target);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t btoa_totext(unsigned char *inbuf, int inbuflen,

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_t *target);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t atob_tobuffer(isc_lex_t *lexer, isc_buffer_t *target);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic const char hexdigits[] = "0123456789abcdef";

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic const char decdigits[] = "0123456789";

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic const char octdigits[] = "01234567";

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews#include "code.h"

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews#define META 0x0001

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews#define RESERVED 0x0002

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews#define METATYPES \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 0, "NONE", META }, \

fcf8db89e6c5740822838380c3a4ffcfb7754992Mark Andrews { 31, "EID", RESERVED }, \

fcf8db89e6c5740822838380c3a4ffcfb7754992Mark Andrews { 32, "NIMLOC", RESERVED }, \

06a49674418e8a74e879b63ea4ce4cb2261bbc70Mark Andrews { 34, "ATMA", RESERVED }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 100, "UINFO", RESERVED }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 101, "UID", RESERVED }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 102, "GID", RESERVED }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 249, "TKEY", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 250, "TSIG", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 251, "IXFR", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 252, "AXFR", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 253, "MAILB", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 254, "MAILA", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 255, "ANY", META },

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews#define METACLASSES \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 0, "NONE", META }, \

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews { 255, "ANY", META },

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews#define RCODENAMES \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews /* standard rcodes */ \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_noerror, "NOERROR", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_formerr, "FORMERR", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_servfail, "SERVFAIL", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_nxdomain, "NXDOMAIN", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_notimp, "NOTIMP", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_refused, "REFUSED", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_yxdomain, "YXDOMAIN", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_yxrrset, "YXRRSET", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_nxrrset, "NXRRSET", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_notauth, "NOTAUTH", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_notzone, "NOTZONE", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews /* extended rcodes */ \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_badsig, "BADSIG", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_badkey, "BADKEY", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_badtime, "BADTIME", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { dns_rcode_badmode, "BADMODE", 0}, \

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews { 0, NULL, 0 }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews#define CERTNAMES \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 1, "SKIX", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 2, "SPKI", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 3, "PGP", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 253, "URI", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 254, "OID", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 0, NULL, 0}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews#define SECALGNAMES \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 1, "RSA/MD5", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 2, "Diffie-Hellman", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 3, "DSA", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 4, "Ellyptic-Curve", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 253, "Private/Domain", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 254, "Private/OID", 0}, \

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews { 0, NULL, 0}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrewsstruct tbl {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews unsigned int value;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews char *name;

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews int flags;

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews} types[] = { TYPENAMES METATYPES {0, NULL, 0} },

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrewsclasses[] = { CLASSNAMES METACLASSES { 0, NULL, 0} },

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewsrcodes[] = { RCODENAMES },

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewscerts[] = { CERTNAMES },

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewssecalgs[] = { SECALGNAMES };

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_init(dns_rdata_t *rdata) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews REQUIRE(rdata != NULL);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->data = NULL;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->length = 0;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->class = 0;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->type = 0;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews ISC_LINK_INIT(rdata, link);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews /* ISC_LIST_INIT(rdata->list); */

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_compare(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews int result = 0;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews REQUIRE(rdata1 != NULL);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews REQUIRE(rdata2 != NULL);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews REQUIRE(rdata1->data != NULL);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews REQUIRE(rdata2->data != NULL);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (rdata1->class != rdata2->class)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (rdata1->class < rdata2->class ? -1 : 1);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (rdata1->type != rdata2->type)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (rdata1->type < rdata2->type ? -1 : 1);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews COMPARESWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default) {

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_region_t r1;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_region_t r2;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews dns_rdata_toregion(rdata1, &r1);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews dns_rdata_toregion(rdata2, &r2);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews result = compare_region(&r1, &r2);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_fromregion(dns_rdata_t *rdata,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdataclass_t class, dns_rdatatype_t type,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t *r) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->data = r->base;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->length = r->length;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->class = class;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews rdata->type = type;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_toregion(dns_rdata_t *rdata, isc_region_t *r) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews r->base = rdata->data;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews r->length = rdata->length;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_fromwire(dns_rdata_t *rdata,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdataclass_t class, dns_rdatatype_t type,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *source,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_decompress_t *dctx,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_boolean_t downcase,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t ss;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t st;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews ss = *source;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews st = *target;

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff region.base = (unsigned char *)(target->base) + target->used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews FROMWIRESWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews (void)NULL;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews /* We should have consumed all out buffer */

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (result == DNS_R_SUCCESS && !buffer_empty(source))

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews result = DNS_R_EXTRADATA;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (rdata && result == DNS_R_SUCCESS) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews region.length = target->used - st.used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdata_fromregion(rdata, class, type, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (result != DNS_R_SUCCESS) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *source = ss;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *target = st;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_towire(dns_rdata_t *rdata, dns_compress_t *cctx,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

f0a5bb8f86631ce638cb2b6c65bbb9bcf9b0cdc0Bob Halley isc_region_t tr;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews TOWIRESWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default) {

f0a5bb8f86631ce638cb2b6c65bbb9bcf9b0cdc0Bob Halley isc_buffer_available(target, &tr);

f0a5bb8f86631ce638cb2b6c65bbb9bcf9b0cdc0Bob Halley if (tr.length < rdata->length)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

f0a5bb8f86631ce638cb2b6c65bbb9bcf9b0cdc0Bob Halley memcpy(tr.base, rdata->data, rdata->length);

f0a5bb8f86631ce638cb2b6c65bbb9bcf9b0cdc0Bob Halley isc_buffer_add(target, rdata->length);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_fromtext(dns_rdata_t *rdata,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdataclass_t class, dns_rdatatype_t type,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_lex_t *lexer, dns_name_t *origin,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_boolean_t downcase,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t st;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_token_t token;

f305d86668bfd4d4727c3e0f70e7e97a2fa1b772Bob Halley unsigned int options = ISC_LEXOPT_EOL | ISC_LEXOPT_EOF |

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews ISC_LEXOPT_DNSMULTILINE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews st = *target;

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff region.base = (unsigned char *)(target->base) + target->used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews FROMTEXTSWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews (void)NULL;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews /*

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews do {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (isc_lex_gettoken(lexer, options, &token)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews != ISC_R_SUCCESS) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (result == DNS_R_SUCCESS)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews result = DNS_R_UNEXPECTED;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews break;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews } else if (token.type != isc_tokentype_eol &&

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews token.type != isc_tokentype_eof) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (result == DNS_R_SUCCESS)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews result = DNS_R_EXTRATOKEN;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews } else

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews break;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews } while (1);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (rdata != NULL && result == DNS_R_SUCCESS) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews region.length = target->used - st.used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdata_fromregion(rdata, class, type, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (result != DNS_R_SUCCESS) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *target = st;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_totext(dns_rdata_t *rdata, isc_buffer_t *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_name_t *origin = NULL;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews TOTEXTSWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews (void)NULL;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_fromstruct(dns_rdata_t *rdata,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdataclass_t class, dns_rdatatype_t type,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews void *source,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_t st;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

0c310d16b05ee94743d33f6920907edee6084fc8Michael Graff region.base = (unsigned char *)(target->base) + target->used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews st = *target;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews FROMSTRUCTSWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews (void)NULL;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (rdata != NULL && result == DNS_R_SUCCESS) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews region.length = target->used - st.used;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_rdata_fromregion(rdata, class, type, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (result != DNS_R_SUCCESS)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *target = st;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsdns_rdata_tostruct(dns_rdata_t *rdata, void *target) {

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews dns_result_t result = DNS_R_NOTIMPLEMENTED;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_boolean_t use_default = ISC_FALSE;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews TOSTRUCTSWITCH

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (use_default)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews (void)NULL;

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (result);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrewsdns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews int i = 0;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews unsigned int n;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews while (classes[i].name != NULL) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews n = strlen(classes[i].name);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews if (n == source->length &&

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews strncasecmp(source->base, classes[i].name, n) == 0) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews *classp = classes[i].value;

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews if ((classes[i].flags & RESERVED) != 0)

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews return (DNS_R_NOTIMPLEMENTED);

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews return (DNS_R_SUCCESS);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews i++;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews return (DNS_R_UNKNOWN);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews}

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrewsdns_rdataclass_totext(dns_rdataclass_t class, isc_buffer_t *target) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews int i = 0;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews char buf[sizeof "65000"];

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews while (classes[i].name != NULL) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews if (classes[i].value == class) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(classes[i].name, target));

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews i++;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews sprintf(buf, "%u", class);

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(buf, target));

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews}

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrewsdns_rdatatype_fromtext(dns_rdatatype_t *typep, isc_textregion_t *source) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews int i = 0;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews unsigned int n;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews while (types[i].name != NULL) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews n = strlen(types[i].name);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews if (n == source->length &&

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews strncasecmp(source->base, types[i].name, n) == 0) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews *typep = types[i].value;

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews if ((types[i].flags & RESERVED) != 0)

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews return (DNS_R_NOTIMPLEMENTED);

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews return (DNS_R_SUCCESS);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews i++;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews return (DNS_R_UNKNOWN);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews}

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrewsdns_rdatatype_totext(dns_rdatatype_t type, isc_buffer_t *target) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews int i = 0;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews char buf[sizeof "65000"];

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews while (types[i].name != NULL) {

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews if (types[i].value == type) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(types[i].name, target));

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews i++;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews sprintf(buf, "%u", type);

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(buf, target));

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews}

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrewsdns_rcode_fromtext(dns_rcode_t *rcodep, isc_textregion_t *source) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews int i = 0;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews unsigned int n;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews while (rcodes[i].name != NULL) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews n = strlen(rcodes[i].name);

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews if (n == source->length &&

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews strncasecmp(source->base, rcodes[i].name, n) == 0) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews *rcodep = rcodes[i].value;

bed8e84810a80dad3d37870be927d1dfd015f480Mark Andrews return (DNS_R_SUCCESS);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews i++;

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews }

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews return (DNS_R_UNKNOWN);

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews}

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrewsdns_rcode_totext(dns_rcode_t rcode, isc_buffer_t *target) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews int i = 0;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews char buf[sizeof "65000"];

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews while (rcodes[i].name != NULL) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews if (rcodes[i].value == rcode) {

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(rcodes[i].name, target));

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews i++;

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews }

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews sprintf(buf, "%u", rcode);

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews return (str_totext(buf, target));

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews}

8d3e74b1683f714a484bbcf73249e8ee470e36d7Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewsdns_cert_fromtext(dns_cert_t *certp, isc_textregion_t *source) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews int i = 0;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews unsigned int n;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews while (certs[i].name != NULL) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews n = strlen(certs[i].name);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews if (n == source->length &&

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews strncasecmp(source->base, certs[i].name, n) == 0) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews *certp = certs[i].value;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (DNS_R_SUCCESS);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews i++;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (DNS_R_UNKNOWN);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewsdns_cert_totext(dns_cert_t cert, isc_buffer_t *target) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews int i = 0;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews char buf[sizeof "65000"];

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews while (certs[i].name != NULL) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews if (certs[i].value == cert) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (str_totext(certs[i].name, target));

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews i++;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews sprintf(buf, "%u", cert);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (str_totext(buf, target));

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewsdns_secalg_fromtext(dns_secalg_t *secalgp, isc_textregion_t *source) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews int i = 0;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews unsigned int n;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews while (secalgs[i].name != NULL) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews n = strlen(secalgs[i].name);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews if (n == source->length &&

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews strncasecmp(source->base, secalgs[i].name, n) == 0) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews *secalgp = secalgs[i].value;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (DNS_R_SUCCESS);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews i++;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (DNS_R_UNKNOWN);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrewsdns_secalg_totext(dns_secalg_t secalg, isc_buffer_t *target) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews int i = 0;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews char buf[sizeof "65000"];

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews while (secalgs[i].name != NULL) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews if (secalgs[i].value == secalg) {

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (str_totext(secalgs[i].name, target));

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews i++;

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews }

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews sprintf(buf, "%u", secalg);

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews return (str_totext(buf, target));

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews}

54c26ab21c61c6d6b1e484bb88dc3ac263845d17Mark Andrews

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews /* Private function */

a98551ef592e9be6008e0141ceeb32efd586c5efMark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic unsigned int

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsname_length(dns_name_t *name) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (name->length);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstxt_totext(isc_region_t *source, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int tl;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int n;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned char *sp;

fe47f41b13620bfafc4f8cf65d5df24f1e568764Bob Halley char *tp;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews sp = source->base;

fe47f41b13620bfafc4f8cf65d5df24f1e568764Bob Halley tp = (char *)region.base;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl = region.length;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews n = *sp++;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews INSIST(n + 1 <= source->length);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tl < 1)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *tp++ = '"';

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl--;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews while (n--) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (*sp < 0x20 || *sp > 0x7f) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tl < 4)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews sprintf(tp, "\\%03u", *sp++);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tp += 4;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl -= 4;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews continue;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (*sp == 0x22 || *sp == 0x3b || *sp == 0x5c) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tl < 2)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *tp++ = '\\';

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl--;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tl < 1)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *tp++ = *sp++;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl--;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews }

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tl < 1)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *tp++ = '"';

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews tl--;

fe47f41b13620bfafc4f8cf65d5df24f1e568764Bob Halley isc_buffer_add(target, tp - (char *)region.base);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_consume(source, *source->base + 1);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstxt_fromtext(isc_textregion_t *source, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t tregion;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &tregion);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (tregion.length < source->length + 1)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (source->length > 255)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews return (DNS_R_TEXTTOLONG);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *tregion.base = source->length;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews memcpy(tregion.base + 1, source->base, source->length);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_add(target, source->length + 1);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewstxt_fromwire(isc_buffer_t *source, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int n;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t sregion;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t tregion;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

26b0f58b6c4d65bc8b131debf40b8c376c2978bfBob Halley isc_buffer_active(source, &sregion);

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews if (sregion.length == 0)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews return(DNS_R_UNEXPECTEDEND);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews n = *sregion.base + 1;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (n > sregion.length)

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews return (DNS_R_UNEXPECTEDEND);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &tregion);

bfb2a81b65579882a80855c279cedc45aebd62e8Mark Andrews if (n > tregion.length)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews memcpy(tregion.base, sregion.base, n);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_forward(source, n);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_add(target, n);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic isc_boolean_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsname_prefix(dns_name_t *name, dns_name_t *origin, dns_name_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews int l1, l2;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (origin == NULL)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews goto return_false;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (dns_name_compare(origin, dns_rootname) == 0)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews goto return_false;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (!dns_name_issubdomain(name, origin))

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews goto return_false;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews l1 = dns_name_countlabels(name);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews l2 = dns_name_countlabels(origin);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (l1 == l2)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews goto return_false;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews dns_name_getlabelsequence(name, 0, l1 - l2, target);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (ISC_TRUE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsreturn_false:

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews *target = *name;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (ISC_FALSE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic dns_result_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstr_totext(char *source, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int l;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews l = strlen(source);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (l > region.length)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews memcpy(region.base, source, l);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_add(target, l);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic isc_boolean_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsbuffer_empty(isc_buffer_t *source) {

26b0f58b6c4d65bc8b131debf40b8c376c2978bfBob Halley return((source->current == source->active) ? ISC_TRUE : ISC_FALSE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsstatic void

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsbuffer_fromregion(isc_buffer_t *buffer, isc_region_t *region,

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned int type) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_init(buffer, region->base, region->length, type);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_add(buffer, region->length);

3d5cad69ec20157912e95cf3b79316dfb0a314f3Mark Andrews isc_buffer_setactive(buffer, region->length);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsuint32_tobuffer(isc_uint32_t value, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (region.length < 4)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

e4653123ecc6cdbfc0b9eda6e98e44af3b1f9a08Mark Andrews isc_buffer_putuint32(target, value);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsuint16_tobuffer(isc_uint32_t value, isc_buffer_t *target) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_region_t region;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

1c3191528684f3dd93ebb122298c2f8ebfc6d397Mark Andrews if (value > 0xffff)

1c3191528684f3dd93ebb122298c2f8ebfc6d397Mark Andrews return (DNS_R_RANGE);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews isc_buffer_available(target, &region);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews if (region.length < 2)

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_NOSPACE);

e4653123ecc6cdbfc0b9eda6e98e44af3b1f9a08Mark Andrews isc_buffer_putuint16(target, value);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return (DNS_R_SUCCESS);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic isc_uint32_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsuint32_fromregion(isc_region_t *region) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews unsigned long value;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews INSIST(region->length >= 4);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews value = region->base[0] << 24;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews value |= region->base[1] << 16;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews value |= region->base[2] << 8;

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews value |= region->base[3];

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return(value);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrewsstatic isc_uint16_t

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrewsuint16_fromregion(isc_region_t *region) {

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews INSIST(region->length >= 2);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews return ((region->base[0] << 8) | region->base[1]);

5d51e67c3b4f35c1be742574aacc1d88fe6ed444Mark Andrews}

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic dns_result_t

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsgettoken(isc_lex_t *lexer, isc_token_t *token, isc_tokentype_t expect,

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_boolean_t eol) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned int options = ISC_LEXOPT_EOL | ISC_LEXOPT_EOF |

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ISC_LEXOPT_DNSMULTILINE;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

2192b4497348ccab94ca6f3f779cec399c72a8efMark Andrews if (expect == isc_tokentype_qstring)

2192b4497348ccab94ca6f3f779cec399c72a8efMark Andrews options |= ISC_LEXOPT_QSTRING;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (expect == isc_tokentype_number)

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews options |= ISC_LEXOPT_NUMBER;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (isc_lex_gettoken(lexer, options, token) != ISC_R_SUCCESS)

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_UNEXPECTED);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (eol && ((token->type == isc_tokentype_eol) ||

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews (token->type == isc_tokentype_eof)))

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_SUCCESS);

2192b4497348ccab94ca6f3f779cec399c72a8efMark Andrews if (token->type == isc_tokentype_string &&

2192b4497348ccab94ca6f3f779cec399c72a8efMark Andrews expect == isc_tokentype_qstring)

2192b4497348ccab94ca6f3f779cec399c72a8efMark Andrews return (DNS_R_SUCCESS);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (token->type != expect) {

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_lex_ungettoken(lexer, token);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (token->type == isc_tokentype_eol ||

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews token->type == isc_tokentype_eof)

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return(DNS_R_UNEXPECTEDEND);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_UNEXPECTED);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews }

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_SUCCESS);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews}

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic dns_result_t

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsmem_tobuffer(isc_buffer_t *target, void *base, unsigned int length) {

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_region_t tr;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_buffer_available(target, &tr);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if (length > tr.length)

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_NOSPACE);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews memcpy(tr.base, base, length);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews isc_buffer_add(target, length);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return (DNS_R_SUCCESS);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews}

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewsstatic int

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrewscompare_region(isc_region_t *r1, isc_region_t *r2) {

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews unsigned int l;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews int result;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews l = (r1->length < r2->length) ? r1->length : r2->length;

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews if ((result = memcmp(r1->base, r2->base, l)) != 0)

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews return ((result < 0) ? -1 : 1);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews else

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews return ((r1->length == r2->length) ? 0 :

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews (r1->length < r2->length) ? -1 : 1);

44a966dff66061ac3f266c6b451a70733eb78e82Mark Andrews}

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic int

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewshexvalue(char value) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews char *s;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (!isascii(value&0xff))

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (-1);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (isupper(value))

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews value = tolower(value);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if ((s = strchr(hexdigits, value)) == NULL)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (-1);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (s - hexdigits);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrewsstatic int

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrewsdecvalue(char value) {

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews char *s;

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews if (!isascii(value&0xff))

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews return (-1);

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews if ((s = strchr(decdigits, value)) == NULL)

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews return (-1);

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews return (s - decdigits);

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews}

8a17d1e7cdba9fdcf71fb2f821a954a251204105Mark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic const char base64[] =

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsbase64_totext(isc_region_t *source, isc_buffer_t *target) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews char buf[5];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int loops = 0;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews memset(buf, 0, sizeof buf);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext("( " /*)*/, target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews while (source->length > 2) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[0] = base64[(source->base[0]>>2)&0x3f];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[1] = base64[((source->base[0]<<4)&0x30)|

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ((source->base[1]>>4)&0x0f)];

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews buf[2] = base64[((source->base[1]<<2)&0x3c)|

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ((source->base[2]>>6)&0x03)];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[3] = base64[source->base[2]&0x3f];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_region_consume(source, 3);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (source->length != 0 && ++loops == 15) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews loops = 0;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" ", target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (source->length == 2) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[0] = base64[(source->base[0]>>2)&0x3f];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[1] = base64[((source->base[0]<<4)&0x30)|

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews ((source->base[1]>>4)&0x0f)];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[2] = base64[((source->base[1]<<4)&0x3c)];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[3] = '=';

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews } else if (source->length == 1) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[0] = base64[(source->base[0]>>2)&0x3f];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[1] = base64[((source->base[0]<<4)&0x30)];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews buf[2] = buf[3] = '=';

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(buf, target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(str_totext(" )", target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SUCCESS);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrewsbase64_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int digits = 0;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_textregion_t *tr;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int val[4];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned char buf[3];

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int seen_end = 0;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews unsigned int i;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews isc_token_t token;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews char *s;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews int n;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews while (!seen_end && (length != 0)) {

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (length > 0)

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string,

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews ISC_FALSE));

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews else

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string,

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews ISC_TRUE));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (token.type != isc_tokentype_string)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews break;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews tr = &token.value.as_textregion;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews for (i = 0 ;i < tr->length; i++) {

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (seen_end)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SYNTAX);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if ((s = strchr(base64, tr->base[i])) == NULL)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SYNTAX);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews val[digits++] = s - base64;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (digits == 4) {

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (val[0] == 64 || val[1] == 64)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SYNTAX);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (val[2] == 64 && val[3] != 64)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SYNTAX);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews n = (val[2] == 64) ? 1 :

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews (val[3] == 64) ? 2 : 3;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (n != 3) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews seen_end = 1;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (val[2] == 64)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews val[2] = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (val[3] == 64)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews val[3] = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews buf[0] = (val[0]<<2)|(val[1]>>4);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews buf[1] = (val[1]<<4)|(val[2]>>2);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews buf[2] = (val[2]<<6)|(val[3]);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews RETERR(mem_tobuffer(target, buf, n));

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (length >= 0)

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (n > length)

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews return (DNS_R_SYNTAX);

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews else

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews length -= n;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews digits = 0;

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews }

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (length < 0 && !seen_end)

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews isc_lex_ungettoken(lexer, &token);

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews if (length > 0)

904294c0c952227f7778fd0ba2ccea08c097b872Mark Andrews return (DNS_R_UNEXPECTEDEND);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews if (digits)

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SYNTAX);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews return (DNS_R_SUCCESS);

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrewsstatic int days[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewsstatic dns_result_t

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrewstime_totext(unsigned long value, isc_buffer_t *target) {

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int64_t start;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int64_t base;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int64_t t;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews struct tm tm;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews char buf[sizeof "YYYYMMDDHHMMSS"];

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews int secs;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews /* find the right epoch */

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews start = time(NULL);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews start -= 0x7fffffff;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews base = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while ((t = (base + value)) < start) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews base += 0x80000000;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews base += 0x80000000;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews#define is_leap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews#define year_secs(y) ((is_leap(y) ? 366 : 365 ) * 86400)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews#define month_secs(m, y) ((days[m] + ((m == 1 && is_leap(y)) ? 1 : 0 )) * 86400)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_year = 70;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while ((secs = year_secs(tm.tm_year + 1900 + 1)) <= t) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews t -= secs;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_year++;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_mon = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while ((secs = month_secs(tm.tm_mon, tm.tm_year + 1900)) <= t) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews t -= secs;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_mon++;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_mday = 1;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while (86400 <= t) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews t -= 86400;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_mday++;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_hour = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while (3600 <= t) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews t -= 3600;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_hour++;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_min = 0;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews while (60 <= t) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews t -= 60;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_min++;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_sec = t;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews /* yy mm dd HH MM SS */

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews sprintf(buf, "%04d%02d%02d%02d%02d%02d",

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews tm.tm_hour, tm.tm_min, tm.tm_sec);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews return (str_totext(buf, target));

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews}

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrewsstatic dns_result_t

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrewstime_tobuffer(char *source, isc_buffer_t *target) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews int year, month, day, hour, minute, second;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews unsigned long value;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews int secs;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews int i;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews#define RANGE(min, max, value) \

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews do { \

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (value < (min) || value > (max)) \

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews return (DNS_R_RANGE); \

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews } while (0)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (strlen(source) != 14)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews return (DNS_R_SYNTAX);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (sscanf(source, "%4d%2d%2d%2d%2d%2d",

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews &year, &month, &day, &hour, &minute, &second) != 6)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews return (DNS_R_SYNTAX);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(1970, 9999, year);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(1, 12, month);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(1, days[month - 1] +

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews ((month == 2 && is_leap(year)) ? 1 : 0), day);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(0, 23, hour);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(0, 59, minute);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews RANGE(0, 60, second); /* leap second */

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews /* calulate seconds since epoch */

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews value = second + (60 * minute) + (3600 * hour) + ((day - 1) * 86400);

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews for (i = 0; i < (month - 1) ; i++)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews value += days[i] * 86400;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews if (is_leap(year) && month > 2)

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews value += 86400;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews for (i = 1970; i < year; i++) {

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews secs = (is_leap(i) ? 366 : 365) * 86400;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews value += secs;

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews }

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews

2bc0da0cd874b15593d65338ba96e90ceed13072Mark Andrews return (uint32_tobuffer(value, target));

ffe74cc719aa0f10c38fbc1f2f3ea7db0960cb8fMark Andrews}

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic const char atob_digits[86] =

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews"!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstu";

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstruct state {

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t Ceor;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t Csum;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t Crot;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t word;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t bcount;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews};

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define Ceor state->Ceor

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define Csum state->Csum

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define Crot state->Crot

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define word state->word

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define bcount state->bcount

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews#define times85(x) ((((((x<<2)+x)<<2)+x)<<2)+x)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t byte_atob(int c, isc_buffer_t *target,

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews struct state *state);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t putbyte(int c, isc_buffer_t *, struct state *state);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t byte_btoa(int c, isc_buffer_t *, struct state *state);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsbyte_atob(int c, isc_buffer_t *target, struct state *state) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews char *s;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (c == 'z') {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (bcount != 0)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return(DNS_R_SYNTAX);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte(0, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte(0, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte(0, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte(0, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else if ((s = strchr(atob_digits, c)) != NULL) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (bcount == 0) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word = s - atob_digits;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews ++bcount;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else if (bcount < 4) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word = times85(word);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word += s - atob_digits;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews ++bcount;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word = times85(word);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word += s - atob_digits;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte((word >> 24) & 0xff, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte((word >> 16) & 0xff, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte((word >> 8) & 0xff, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(putbyte(word & 0xff, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word = 0;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews bcount = 0;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return(DNS_R_SYNTAX);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return(DNS_R_SUCCESS);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews}

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsputbyte(int c, isc_buffer_t *target, struct state *state) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_region_t tr;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Ceor ^= c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Csum += c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Csum += 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if ((Crot & 0x80000000)) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot <<= 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot += 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot <<= 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot += c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_available(target, &tr);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (tr.length < 1)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_NOSPACE);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[0] = c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_add(target, 1);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_SUCCESS);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews}

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsatob_tobuffer(isc_lex_t *lexer, isc_buffer_t *target) {

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews isc_int32_t oeor, osum, orot;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews struct state statebuf, *state= &statebuf;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_token_t token;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews char c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews char *e;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Ceor = Csum = Crot = word = bcount = 0;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews while (token.value.as_textregion.length != 0) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if ((c = token.value.as_textregion.base[0]) == 'x') {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews break;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(byte_atob(c, target, state));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_textregion_consume(&token.value.as_textregion, 1);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews /* number of bytes */

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if ((token.value.as_ulong % 4) != 0)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_subtract(target, 4 - (token.value.as_ulong % 4));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews /* checksum */

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews oeor = strtoul(token.value.as_pointer, &e, 16);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (*e != 0)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_SYNTAX);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews /* checksum */

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews osum = strtoul(token.value.as_pointer, &e, 16);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (*e != 0)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_SYNTAX);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews /* checksum */

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews orot = strtoul(token.value.as_pointer, &e, 16);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (*e != 0)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_SYNTAX);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if ((oeor != Ceor) || (osum != Csum) || (orot != Crot))

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return(DNS_R_BADCKSUM);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return(DNS_R_SUCCESS);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews}

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsbyte_btoa(int c, isc_buffer_t *target, struct state *state) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_region_t tr;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_available(target, &tr);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Ceor ^= c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Csum += c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Csum += 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if ((Crot & 0x80000000)) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot <<= 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot += 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot <<= 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews Crot += c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word <<= 8;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews word |= c;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (bcount == 3) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (word == 0) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (tr.length < 1)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_NOSPACE);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[0] = 'z';

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_add(target, 1);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews register int tmp = 0;

15330e4fa27c82ac04cc2ce234ec930e4b6b42d3Mark Andrews register isc_int32_t tmpword = word;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (tmpword < 0) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews /* Because some don't support u_long */

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmp = 32;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword -= (int32_t)(85 * 85 * 85 * 85 * 32);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (tmpword < 0) {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmp = 64;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword -= (int32_t)(85 * 85 * 85 * 85 * 32);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews if (tr.length < 5)

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_NOSPACE);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[0] = atob_digits[(tmpword /

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews (int32_t)(85 * 85 * 85 * 85))

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews + tmp];

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword %= (int32_t)(85 * 85 * 85 * 85);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[1] = atob_digits[tmpword / (85 * 85 * 85)];

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword %= (85 * 85 * 85);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[2] = atob_digits[tmpword / (85 * 85)];

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword %= (85 * 85);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[3] = atob_digits[tmpword / 85];

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tmpword %= 85;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews tr.base[4] = atob_digits[tmpword];

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews isc_buffer_add(target, 5);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews bcount = 0;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews } else {

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews bcount += 1;

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews }

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews return (DNS_R_SUCCESS);

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews}

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrews

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsstatic dns_result_t

3a4ec3da9fa14511cbc3660f75817cfacb3f4d1eMark Andrewsbtoa_totext(unsigned char *inbuf, int inbuflen, isc_buffer_t *target) {