Commit f9d7040e authored by Mark Andrews's avatar Mark Andrews
Browse files

TSIG initial implementation.

parent bd72c68a
...@@ -73,9 +73,9 @@ enum { ...@@ -73,9 +73,9 @@ enum {
#include <dns/enumclass.h> #include <dns/enumclass.h>
enum { enum {
ns_c_none = 0,
CLASSENUM CLASSENUM
ns_c_any = 255 ns_c_none = 0,
/* ns_c_any = 255 TSIG is class ANY specific */
} ns_class_t; } ns_class_t;
#endif /* DNS_TYPES_H */ #endif /* DNS_TYPES_H */
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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: tsig_250.c,v 1.1 1999/02/04 01:06:40 marka Exp $ */
/* draft-ietf-dnsind-tsig-07.txt */
#ifndef RDATA_ANY_255_TSIG_250_H
#define RDATA_ANY_255_TSIG_250_H
static dns_result_t
fromtext_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
isc_lex_t *lexer, dns_name_t *origin,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_token_t token;
dns_name_t name;
unsigned long long sigtime;
isc_buffer_t buffer;
char *e;
REQUIRE(type == 250);
REQUIRE(class == 255);
/* Algorithm Name */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region,
ISC_BUFFERTYPE_TEXT);
origin = (origin != NULL) ? origin : dns_rootname;
RETERR(dns_name_fromtext(&name, &buffer, origin, downcase, target));
/* Time Signed: 48 bits */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
sigtime = strtouq(token.value.as_pointer, &e, 10);
if (*e != 0)
return (DNS_R_SYNTAX);
if ((sigtime >> 48) != 0)
return(DNS_R_RANGE);
RETERR(uint16_tobuffer(sigtime >> 32, target));
RETERR(uint32_tobuffer(sigtime & 0xffffffff, target));
/* Fudge */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Signature Size */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Signature */
RETERR(base64_tobuffer(lexer, target, token.value.as_ulong));
/* Original ID */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Error */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Other Len */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Other Data */
return (base64_tobuffer(lexer, target, token.value.as_ulong));
}
static dns_result_t
totext_any_tsig(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
isc_region_t sr;
isc_region_t sigr;
char buf[sizeof "281474976710655 "];
dns_name_t name;
dns_name_t prefix;
isc_boolean_t sub;
unsigned long long sigtime;
unsigned short n;
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
dns_rdata_toregion(rdata, &sr);
/* Algorithm Name */
dns_name_init(&name, NULL);
dns_name_init(&prefix, NULL);
dns_name_fromregion(&name, &sr);
sub = name_prefix(&name, origin, &prefix);
RETERR(dns_name_totext(&prefix, sub, target));
RETERR(str_totext(" ", target));
isc_region_consume(&sr, name_length(&name));
/* Time Signed */
sigtime = ((unsigned long long)sr.base[0] << 40) |
((unsigned long long)sr.base[1] << 32) |
(sr.base[2] << 24) | (sr.base[3] << 16) |
(sr.base[4] << 8) | sr.base[5];
isc_region_consume(&sr, 6);
sprintf(buf, "%qu ", sigtime);
RETERR(str_totext(buf, target));
/* Fudge */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Signature Size */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Signature */
REQUIRE(n <= sr.length);
sigr = sr;
sigr.length = n;
RETERR(base64_totext(&sigr, target));
RETERR(str_totext(" ", target));
isc_region_consume(&sr, n);
/* Original ID */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Error */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Other Size */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Other */
return (base64_totext(&sr, target));
}
static dns_result_t
fromwire_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_region_t sr;
dns_name_t name;
unsigned long n;
REQUIRE(type == 250);
REQUIRE(class == 255);
/* Algorithm Name */
dns_name_init(&name, NULL);
RETERR(dns_name_fromwire(&name, source, dctx, downcase, target));
isc_buffer_active(source, &sr);
/* Time Signed + Fudge */
if (sr.length < 8)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, 8));
isc_region_consume(&sr, 8);
isc_buffer_forward(source, 8);
/* Signature Length + Signature */
if (sr.length < 2)
return (DNS_R_UNEXPECTEDEND);
n = uint16_fromregion(&sr);
if (sr.length < n + 2)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, n + 2));
isc_region_consume(&sr, n + 2);
isc_buffer_forward(source, n + 2);
/* Original ID + Error */
if (sr.length < 4)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, 4));
isc_region_consume(&sr, 4);
isc_buffer_forward(source, 4);
/* Other Length + Other */
if (sr.length < 2)
return (DNS_R_UNEXPECTEDEND);
n = uint16_fromregion(&sr);
if (sr.length < n + 2)
return (DNS_R_UNEXPECTEDEND);
isc_buffer_forward(source, n + 2);
return (mem_tobuffer(target, sr.base, n + 2));
}
static dns_result_t
towire_any_tsig(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
isc_region_t sr;
dns_name_t name;
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
cctx = cctx; /*unused*/
dns_rdata_toregion(rdata, &sr);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &sr);
RETERR(dns_name_towire(&name, cctx, target));
isc_region_consume(&sr, name_length(&name));
return (mem_tobuffer(target, sr.base, sr.length));
}
static int
compare_any_tsig(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
isc_region_t r1;
isc_region_t r2;
dns_name_t name1;
dns_name_t name2;
int result;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->class == rdata2->class);
REQUIRE(rdata1->type == 250);
REQUIRE(rdata1->class == 255);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
dns_name_init(&name1, NULL);
dns_name_init(&name2, NULL);
dns_name_fromregion(&name1, &r1);
dns_name_fromregion(&name2, &r2);
result = dns_name_compare(&name1, &name2);
if (result != 0)
return (result);
isc_region_consume(&r1, name_length(&name1));
isc_region_consume(&r2, name_length(&name2));
return (compare_region(&r1, &r2));
}
static dns_result_t
fromstruct_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
void *source, isc_buffer_t *target) {
REQUIRE(type == 250);
REQUIRE(class == 255);
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static dns_result_t
tostruct_any_tsig(dns_rdata_t *rdata, void *target) {
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
#endif /* RDATA_ANY_255_TSIG_250_H */
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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: tsig_250.h,v 1.1 1999/02/04 01:06:40 marka Exp $ */
/* draft-ietf-dnsind-tsig-07.txt */
#ifndef RDATA_ANY_255_TSIG_250_H
#define RDATA_ANY_255_TSIG_250_H
static dns_result_t
fromtext_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
isc_lex_t *lexer, dns_name_t *origin,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_token_t token;
dns_name_t name;
unsigned long long sigtime;
isc_buffer_t buffer;
char *e;
REQUIRE(type == 250);
REQUIRE(class == 255);
/* Algorithm Name */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region,
ISC_BUFFERTYPE_TEXT);
origin = (origin != NULL) ? origin : dns_rootname;
RETERR(dns_name_fromtext(&name, &buffer, origin, downcase, target));
/* Time Signed: 48 bits */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
sigtime = strtouq(token.value.as_pointer, &e, 10);
if (*e != 0)
return (DNS_R_SYNTAX);
if ((sigtime >> 48) != 0)
return(DNS_R_RANGE);
RETERR(uint16_tobuffer(sigtime >> 32, target));
RETERR(uint32_tobuffer(sigtime & 0xffffffff, target));
/* Fudge */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Signature Size */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Signature */
RETERR(base64_tobuffer(lexer, target, token.value.as_ulong));
/* Original ID */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Error */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Other Len */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 0xffff)
return (DNS_R_RANGE);
RETERR(uint16_tobuffer(token.value.as_ulong, target));
/* Other Data */
return (base64_tobuffer(lexer, target, token.value.as_ulong));
}
static dns_result_t
totext_any_tsig(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
isc_region_t sr;
isc_region_t sigr;
char buf[sizeof "281474976710655 "];
dns_name_t name;
dns_name_t prefix;
isc_boolean_t sub;
unsigned long long sigtime;
unsigned short n;
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
dns_rdata_toregion(rdata, &sr);
/* Algorithm Name */
dns_name_init(&name, NULL);
dns_name_init(&prefix, NULL);
dns_name_fromregion(&name, &sr);
sub = name_prefix(&name, origin, &prefix);
RETERR(dns_name_totext(&prefix, sub, target));
RETERR(str_totext(" ", target));
isc_region_consume(&sr, name_length(&name));
/* Time Signed */
sigtime = ((unsigned long long)sr.base[0] << 40) |
((unsigned long long)sr.base[1] << 32) |
(sr.base[2] << 24) | (sr.base[3] << 16) |
(sr.base[4] << 8) | sr.base[5];
isc_region_consume(&sr, 6);
sprintf(buf, "%qu ", sigtime);
RETERR(str_totext(buf, target));
/* Fudge */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Signature Size */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Signature */
REQUIRE(n <= sr.length);
sigr = sr;
sigr.length = n;
RETERR(base64_totext(&sigr, target));
RETERR(str_totext(" ", target));
isc_region_consume(&sr, n);
/* Original ID */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Error */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Other Size */
n = uint16_fromregion(&sr);
isc_region_consume(&sr, 2);
sprintf(buf, "%u ", n);
RETERR(str_totext(buf, target));
/* Other */
return (base64_totext(&sr, target));
}
static dns_result_t
fromwire_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_region_t sr;
dns_name_t name;
unsigned long n;
REQUIRE(type == 250);
REQUIRE(class == 255);
/* Algorithm Name */
dns_name_init(&name, NULL);
RETERR(dns_name_fromwire(&name, source, dctx, downcase, target));
isc_buffer_active(source, &sr);
/* Time Signed + Fudge */
if (sr.length < 8)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, 8));
isc_region_consume(&sr, 8);
isc_buffer_forward(source, 8);
/* Signature Length + Signature */
if (sr.length < 2)
return (DNS_R_UNEXPECTEDEND);
n = uint16_fromregion(&sr);
if (sr.length < n + 2)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, n + 2));
isc_region_consume(&sr, n + 2);
isc_buffer_forward(source, n + 2);
/* Original ID + Error */
if (sr.length < 4)
return (DNS_R_UNEXPECTEDEND);
RETERR(mem_tobuffer(target, sr.base, 4));
isc_region_consume(&sr, 4);
isc_buffer_forward(source, 4);
/* Other Length + Other */
if (sr.length < 2)
return (DNS_R_UNEXPECTEDEND);
n = uint16_fromregion(&sr);
if (sr.length < n + 2)
return (DNS_R_UNEXPECTEDEND);
isc_buffer_forward(source, n + 2);
return (mem_tobuffer(target, sr.base, n + 2));
}
static dns_result_t
towire_any_tsig(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
isc_region_t sr;
dns_name_t name;
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
cctx = cctx; /*unused*/
dns_rdata_toregion(rdata, &sr);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &sr);
RETERR(dns_name_towire(&name, cctx, target));
isc_region_consume(&sr, name_length(&name));
return (mem_tobuffer(target, sr.base, sr.length));
}
static int
compare_any_tsig(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
isc_region_t r1;
isc_region_t r2;
dns_name_t name1;
dns_name_t name2;
int result;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->class == rdata2->class);
REQUIRE(rdata1->type == 250);
REQUIRE(rdata1->class == 255);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
dns_name_init(&name1, NULL);
dns_name_init(&name2, NULL);
dns_name_fromregion(&name1, &r1);
dns_name_fromregion(&name2, &r2);
result = dns_name_compare(&name1, &name2);
if (result != 0)
return (result);
isc_region_consume(&r1, name_length(&name1));
isc_region_consume(&r2, name_length(&name2));
return (compare_region(&r1, &r2));
}
static dns_result_t
fromstruct_any_tsig(dns_rdataclass_t class, dns_rdatatype_t type,
void *source, isc_buffer_t *target) {
REQUIRE(type == 250);
REQUIRE(class == 255);
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static dns_result_t
tostruct_any_tsig(dns_rdata_t *rdata, void *target) {
REQUIRE(rdata->type == 250);
REQUIRE(rdata->class == 255);
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
#endif /* RDATA_ANY_255_TSIG_250_H */
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