1 files changed, 0 insertions, 629 deletions
diff --git a/contrib/bind9/lib/dns/opensslrsa_link.c b/contrib/bind9/lib/dns/opensslrsa_link.c
deleted file mode 100644
index 2609df6..0000000
--- a/contrib/bind9/lib/dns/opensslrsa_link.c
+++ /dev/null
@@ -1,629 +0,0 @@
-/*
- * Copyright (C) 2004-2006  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2000-2003  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 ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
- * Principal Author: Brian Wellington
- * $Id: opensslrsa_link.c,v 1.1.6.11 2006/11/07 21:28:49 marka Exp $
- */
-#ifdef OPENSSL
-
-#include <config.h>
-
-#include <isc/entropy.h>
-#include <isc/md5.h>
-#include <isc/sha1.h>
-#include <isc/mem.h>
-#include <isc/string.h>
-#include <isc/util.h>
-
-#include <dst/result.h>
-
-#include "dst_internal.h"
-#include "dst_openssl.h"
-#include "dst_parse.h"
-
-#include <openssl/err.h>
-#include <openssl/objects.h>
-#include <openssl/rsa.h>
-#if OPENSSL_VERSION_NUMBER > 0x00908000L
-#include <openssl/bn.h>
-#endif
-
-/*
- * We don't use configure for windows so enforce the OpenSSL version
- * here.  Unlike with configure we don't support overriding this test.
- */
-#ifdef WIN32
-#if !((OPENSSL_VERSION_NUMBER >= 0x009070cfL && \
-       OPENSSL_VERSION_NUMBER < 0x00908000L) || \
-      OPENSSL_VERSION_NUMBER >= 0x0090804fL)
-#error Please upgrade OpenSSL to 0.9.8d/0.9.7l or greater.
-#endif
-#endif
-
-
-	/*
-	 * XXXMPA  Temporarially disable RSA_BLINDING as it requires
-	 * good quality random data that cannot currently be guarenteed.
-	 * XXXMPA  Find which versions of openssl use pseudo random data
-	 * and set RSA_FLAG_BLINDING for those.
-	 */
-
-#if 0
-#if OPENSSL_VERSION_NUMBER < 0x0090601fL
-#define SET_FLAGS(rsa) \
-	do { \
-	(rsa)->flags &= ~(RSA_FLAG_CACHE_PUBLIC | RSA_FLAG_CACHE_PRIVATE); \
-	(rsa)->flags |= RSA_FLAG_BLINDING; \
-	} while (0)
-#else
-#define SET_FLAGS(rsa) \
-	do { \
-		(rsa)->flags |= RSA_FLAG_BLINDING; \
-	} while (0)
-#endif
-#endif
-
-#if OPENSSL_VERSION_NUMBER < 0x0090601fL
-#define SET_FLAGS(rsa) \
-	do { \
-	(rsa)->flags &= ~(RSA_FLAG_CACHE_PUBLIC | RSA_FLAG_CACHE_PRIVATE); \
-	(rsa)->flags &= ~RSA_FLAG_BLINDING; \
-	} while (0)
-#elif defined(RSA_FLAG_NO_BLINDING)
-#define SET_FLAGS(rsa) \
-	do { \
-		(rsa)->flags &= ~RSA_FLAG_BLINDING; \
-		(rsa)->flags |= RSA_FLAG_NO_BLINDING; \
-	} while (0)
-#else
-#define SET_FLAGS(rsa) \
-	do { \
-		(rsa)->flags &= ~RSA_FLAG_BLINDING; \
-	} while (0)
-#endif
-
-static isc_result_t opensslrsa_todns(const dst_key_t *key, isc_buffer_t *data);
-
-static isc_result_t
-opensslrsa_createctx(dst_key_t *key, dst_context_t *dctx) {
-	UNUSED(key);
-	REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
-		dctx->key->key_alg == DST_ALG_RSASHA1);
-
-	if (dctx->key->key_alg == DST_ALG_RSAMD5) {
-		isc_md5_t *md5ctx;
-
-		md5ctx = isc_mem_get(dctx->mctx, sizeof(isc_md5_t));
-		if (md5ctx == NULL)
-			return (ISC_R_NOMEMORY);
-		isc_md5_init(md5ctx);
-		dctx->opaque = md5ctx;
-	} else {
-		isc_sha1_t *sha1ctx;
-
-		sha1ctx = isc_mem_get(dctx->mctx, sizeof(isc_sha1_t));
-		if (sha1ctx == NULL)
-			return (ISC_R_NOMEMORY);
-		isc_sha1_init(sha1ctx);
-		dctx->opaque = sha1ctx;
-	}
-
-	return (ISC_R_SUCCESS);
-}
-
-static void
-opensslrsa_destroyctx(dst_context_t *dctx) {
-	REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
-		dctx->key->key_alg == DST_ALG_RSASHA1);
-
-	if (dctx->key->key_alg == DST_ALG_RSAMD5) {
-		isc_md5_t *md5ctx = dctx->opaque;
-
-		if (md5ctx != NULL) {
-			isc_md5_invalidate(md5ctx);
-			isc_mem_put(dctx->mctx, md5ctx, sizeof(isc_md5_t));
-		}
-	} else {
-		isc_sha1_t *sha1ctx = dctx->opaque;
-
-		if (sha1ctx != NULL) {
-			isc_sha1_invalidate(sha1ctx);
-			isc_mem_put(dctx->mctx, sha1ctx, sizeof(isc_sha1_t));
-		}
-	}
-	dctx->opaque = NULL;
-}
-
-static isc_result_t
-opensslrsa_adddata(dst_context_t *dctx, const isc_region_t *data) {
-	REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
-		dctx->key->key_alg == DST_ALG_RSASHA1);
-
-	if (dctx->key->key_alg == DST_ALG_RSAMD5) {
-		isc_md5_t *md5ctx = dctx->opaque;
-		isc_md5_update(md5ctx, data->base, data->length);
-	} else {
-		isc_sha1_t *sha1ctx = dctx->opaque;
-		isc_sha1_update(sha1ctx, data->base, data->length);
-	}
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-opensslrsa_sign(dst_context_t *dctx, isc_buffer_t *sig) {
-	dst_key_t *key = dctx->key;
-	RSA *rsa = key->opaque;
-	isc_region_t r;
-	/* note: ISC_SHA1_DIGESTLENGTH > ISC_MD5_DIGESTLENGTH */
-	unsigned char digest[ISC_SHA1_DIGESTLENGTH];
-	unsigned int siglen = 0;
-	int status;
-	int type;
-	unsigned int digestlen;
-	char *message;
-	unsigned long err;
-	const char* file;
-	int line;
-
-	REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
-		dctx->key->key_alg == DST_ALG_RSASHA1);
-
-	isc_buffer_availableregion(sig, &r);
-
-	if (r.length < (unsigned int) RSA_size(rsa))
-		return (ISC_R_NOSPACE);
-
-	if (dctx->key->key_alg == DST_ALG_RSAMD5) {
-		isc_md5_t *md5ctx = dctx->opaque;
-		isc_md5_final(md5ctx, digest);
-		type = NID_md5;
-		digestlen = ISC_MD5_DIGESTLENGTH;
-	} else {
-		isc_sha1_t *sha1ctx = dctx->opaque;
-		isc_sha1_final(sha1ctx, digest);
-		type = NID_sha1;
-		digestlen = ISC_SHA1_DIGESTLENGTH;
-	}
-
-	status = RSA_sign(type, digest, digestlen, r.base, &siglen, rsa);
-	if (status == 0) {
-		err = ERR_peek_error_line(&file, &line);
-		if (err != 0U) {
-			message = ERR_error_string(err, NULL);
-			fprintf(stderr, "%s:%s:%d\n", message,
-				file ? file : "", line);
-		}
-		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
-	}
-
-	isc_buffer_add(sig, siglen);
-
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-opensslrsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
-	dst_key_t *key = dctx->key;
-	RSA *rsa = key->opaque;
-	/* note: ISC_SHA1_DIGESTLENGTH > ISC_MD5_DIGESTLENGTH */
-	unsigned char digest[ISC_SHA1_DIGESTLENGTH];
-	int status = 0;
-	int type;
-	unsigned int digestlen;
-
-	REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
-		dctx->key->key_alg == DST_ALG_RSASHA1);
-
-	if (dctx->key->key_alg == DST_ALG_RSAMD5) {
-		isc_md5_t *md5ctx = dctx->opaque;
-		isc_md5_final(md5ctx, digest);
-		type = NID_md5;
-		digestlen = ISC_MD5_DIGESTLENGTH;
-	} else {
-		isc_sha1_t *sha1ctx = dctx->opaque;
-		isc_sha1_final(sha1ctx, digest);
-		type = NID_sha1;
-		digestlen = ISC_SHA1_DIGESTLENGTH;
-	}
-
-	if (sig->length < (unsigned int) RSA_size(rsa))
-		return (DST_R_VERIFYFAILURE);
-
-	status = RSA_verify(type, digest, digestlen, sig->base,
-			    RSA_size(rsa), rsa);
-	if (status == 0)
-		return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
-
-	return (ISC_R_SUCCESS);
-}
-
-static isc_boolean_t
-opensslrsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
-	int status;
-	RSA *rsa1, *rsa2;
-
-	rsa1 = (RSA *) key1->opaque;
-	rsa2 = (RSA *) key2->opaque;
-
-	if (rsa1 == NULL && rsa2 == NULL)
-		return (ISC_TRUE);
-	else if (rsa1 == NULL || rsa2 == NULL)
-		return (ISC_FALSE);
-
-	status = BN_cmp(rsa1->n, rsa2->n) ||
-		 BN_cmp(rsa1->e, rsa2->e);
-
-	if (status != 0)
-		return (ISC_FALSE);
-
-	if (rsa1->d != NULL || rsa2->d != NULL) {
-		if (rsa1->d == NULL || rsa2->d == NULL)
-			return (ISC_FALSE);
-		status = BN_cmp(rsa1->d, rsa2->d) ||
-			 BN_cmp(rsa1->p, rsa2->p) ||
-			 BN_cmp(rsa1->q, rsa2->q);
-
-		if (status != 0)
-			return (ISC_FALSE);
-	}
-	return (ISC_TRUE);
-}
-
-static isc_result_t
-opensslrsa_generate(dst_key_t *key, int exp) {
-#if OPENSSL_VERSION_NUMBER > 0x00908000L
-	BN_GENCB cb;
-	RSA *rsa = RSA_new();
-	BIGNUM *e = BN_new();
-
-	if (rsa == NULL || e == NULL)
-		goto err;
-
-	if (exp == 0) {
-		/* RSA_F4 0x10001 */
-		BN_set_bit(e, 0);
-		BN_set_bit(e, 16);
-	} else {
-		/* F5 0x100000001 */
-		BN_set_bit(e, 0);
-		BN_set_bit(e, 32);
-	}
-
-	BN_GENCB_set_old(&cb, NULL, NULL);
-
-	if (RSA_generate_key_ex(rsa, key->key_size, e, &cb)) {
-		BN_free(e);
-		SET_FLAGS(rsa);
-		key->opaque = rsa;
-		return (ISC_R_SUCCESS);
-	}
-
-err:
-	if (e != NULL)
-		BN_free(e);
-	if (rsa != NULL)
-		RSA_free(rsa);
-	return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
-#else
-	RSA *rsa;
-	unsigned long e;
-
-	if (exp == 0)
-	       e = RSA_F4;
-	else
-	       e = 0x40000003;
-	rsa = RSA_generate_key(key->key_size, e, NULL, NULL);
-	if (rsa == NULL)
-	       return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
-	SET_FLAGS(rsa);
-	key->opaque = rsa;
-
-	return (ISC_R_SUCCESS);
-#endif
-}
-
-static isc_boolean_t
-opensslrsa_isprivate(const dst_key_t *key) {
-	RSA *rsa = (RSA *) key->opaque;
-	return (ISC_TF(rsa != NULL && rsa->d != NULL));
-}
-
-static void
-opensslrsa_destroy(dst_key_t *key) {
-	RSA *rsa = key->opaque;
-	RSA_free(rsa);
-	key->opaque = NULL;
-}
-
-
-static isc_result_t
-opensslrsa_todns(const dst_key_t *key, isc_buffer_t *data) {
-	RSA *rsa;
-	isc_region_t r;
-	unsigned int e_bytes;
-	unsigned int mod_bytes;
-
-	REQUIRE(key->opaque != NULL);
-
-	rsa = (RSA *) key->opaque;
-
-	isc_buffer_availableregion(data, &r);
-
-	e_bytes = BN_num_bytes(rsa->e);
-	mod_bytes = BN_num_bytes(rsa->n);
-
-	if (e_bytes < 256) {	/*%< key exponent is <= 2040 bits */
-		if (r.length < 1)
-			return (ISC_R_NOSPACE);
-		isc_buffer_putuint8(data, (isc_uint8_t) e_bytes);
-	} else {
-		if (r.length < 3)
-			return (ISC_R_NOSPACE);
-		isc_buffer_putuint8(data, 0);
-		isc_buffer_putuint16(data, (isc_uint16_t) e_bytes);
-	}
-
-	if (r.length < e_bytes + mod_bytes)
-		return (ISC_R_NOSPACE);
-	isc_buffer_availableregion(data, &r);
-
-	BN_bn2bin(rsa->e, r.base);
-	r.base += e_bytes;
-	BN_bn2bin(rsa->n, r.base);
-
-	isc_buffer_add(data, e_bytes + mod_bytes);
-
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-opensslrsa_fromdns(dst_key_t *key, isc_buffer_t *data) {
-	RSA *rsa;
-	isc_region_t r;
-	unsigned int e_bytes;
-
-	isc_buffer_remainingregion(data, &r);
-	if (r.length == 0)
-		return (ISC_R_SUCCESS);
-
-	rsa = RSA_new();
-	if (rsa == NULL)
-		return (dst__openssl_toresult(ISC_R_NOMEMORY));
-	SET_FLAGS(rsa);
-
-	if (r.length < 1) {
-		RSA_free(rsa);
-		return (DST_R_INVALIDPUBLICKEY);
-	}
-	e_bytes = *r.base++;
-	r.length--;
-
-	if (e_bytes == 0) {
-		if (r.length < 2) {
-			RSA_free(rsa);
-			return (DST_R_INVALIDPUBLICKEY);
-		}
-		e_bytes = ((*r.base++) << 8);
-		e_bytes += *r.base++;
-		r.length -= 2;
-	}
-
-	if (r.length < e_bytes) {
-		RSA_free(rsa);
-		return (DST_R_INVALIDPUBLICKEY);
-	}
-	rsa->e = BN_bin2bn(r.base, e_bytes, NULL);
-	r.base += e_bytes;
-	r.length -= e_bytes;
-
-	rsa->n = BN_bin2bn(r.base, r.length, NULL);
-
-	key->key_size = BN_num_bits(rsa->n);
-
-	isc_buffer_forward(data, r.length);
-
-	key->opaque = (void *) rsa;
-
-	return (ISC_R_SUCCESS);
-}
-
-
-static isc_result_t
-opensslrsa_tofile(const dst_key_t *key, const char *directory) {
-	int i;
-	RSA *rsa;
-	dst_private_t priv;
-	unsigned char *bufs[8];
-	isc_result_t result;
-
-	if (key->opaque == NULL)
-		return (DST_R_NULLKEY);
-
-	rsa = (RSA *) key->opaque;
-
-	for (i = 0; i < 8; i++) {
-		bufs[i] = isc_mem_get(key->mctx, BN_num_bytes(rsa->n));
-		if (bufs[i] == NULL) {
-			result = ISC_R_NOMEMORY;
-			goto fail;
-		}
-	}
-
-	i = 0;
-
-	priv.elements[i].tag = TAG_RSA_MODULUS;
-	priv.elements[i].length = BN_num_bytes(rsa->n);
-	BN_bn2bin(rsa->n, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_PUBLICEXPONENT;
-	priv.elements[i].length = BN_num_bytes(rsa->e);
-	BN_bn2bin(rsa->e, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_PRIVATEEXPONENT;
-	priv.elements[i].length = BN_num_bytes(rsa->d);
-	BN_bn2bin(rsa->d, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_PRIME1;
-	priv.elements[i].length = BN_num_bytes(rsa->p);
-	BN_bn2bin(rsa->p, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_PRIME2;
-	priv.elements[i].length = BN_num_bytes(rsa->q);
-	BN_bn2bin(rsa->q, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_EXPONENT1;
-	priv.elements[i].length = BN_num_bytes(rsa->dmp1);
-	BN_bn2bin(rsa->dmp1, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_EXPONENT2;
-	priv.elements[i].length = BN_num_bytes(rsa->dmq1);
-	BN_bn2bin(rsa->dmq1, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.elements[i].tag = TAG_RSA_COEFFICIENT;
-	priv.elements[i].length = BN_num_bytes(rsa->iqmp);
-	BN_bn2bin(rsa->iqmp, bufs[i]);
-	priv.elements[i].data = bufs[i];
-	i++;
-
-	priv.nelements = i;
-	result =  dst__privstruct_writefile(key, &priv, directory);
- fail:
-	for (i = 0; i < 8; i++) {
-		if (bufs[i] == NULL)
-			break;
-		isc_mem_put(key->mctx, bufs[i], BN_num_bytes(rsa->n));
-	}
-	return (result);
-}
-
-static isc_result_t
-opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
-	dst_private_t priv;
-	isc_result_t ret;
-	int i;
-	RSA *rsa = NULL;
-	isc_mem_t *mctx = key->mctx;
-#define DST_RET(a) {ret = a; goto err;}
-
-	/* read private key file */
-	ret = dst__privstruct_parse(key, DST_ALG_RSA, lexer, mctx, &priv);
-	if (ret != ISC_R_SUCCESS)
-		return (ret);
-
-	rsa = RSA_new();
-	if (rsa == NULL)
-		DST_RET(ISC_R_NOMEMORY);
-	SET_FLAGS(rsa);
-	key->opaque = rsa;
-
-	for (i = 0; i < priv.nelements; i++) {
-		BIGNUM *bn;
-		bn = BN_bin2bn(priv.elements[i].data,
-			       priv.elements[i].length, NULL);
-		if (bn == NULL)
-			DST_RET(ISC_R_NOMEMORY);
-
-		switch (priv.elements[i].tag) {
-			case TAG_RSA_MODULUS:
-				rsa->n = bn;
-				break;
-			case TAG_RSA_PUBLICEXPONENT:
-				rsa->e = bn;
-				break;
-			case TAG_RSA_PRIVATEEXPONENT:
-				rsa->d = bn;
-				break;
-			case TAG_RSA_PRIME1:
-				rsa->p = bn;
-				break;
-			case TAG_RSA_PRIME2:
-				rsa->q = bn;
-				break;
-			case TAG_RSA_EXPONENT1:
-				rsa->dmp1 = bn;
-				break;
-			case TAG_RSA_EXPONENT2:
-				rsa->dmq1 = bn;
-				break;
-			case TAG_RSA_COEFFICIENT:
-				rsa->iqmp = bn;
-				break;
-		}
-	}
-	dst__privstruct_free(&priv, mctx);
-
-	key->key_size = BN_num_bits(rsa->n);
-
-	return (ISC_R_SUCCESS);
-
- err:
-	opensslrsa_destroy(key);
-	dst__privstruct_free(&priv, mctx);
-	memset(&priv, 0, sizeof(priv));
-	return (ret);
-}
-
-static dst_func_t opensslrsa_functions = {
-	opensslrsa_createctx,
-	opensslrsa_destroyctx,
-	opensslrsa_adddata,
-	opensslrsa_sign,
-	opensslrsa_verify,
-	NULL, /*%< computesecret */
-	opensslrsa_compare,
-	NULL, /*%< paramcompare */
-	opensslrsa_generate,
-	opensslrsa_isprivate,
-	opensslrsa_destroy,
-	opensslrsa_todns,
-	opensslrsa_fromdns,
-	opensslrsa_tofile,
-	opensslrsa_parse,
-	NULL, /*%< cleanup */
-};
-
-isc_result_t
-dst__opensslrsa_init(dst_func_t **funcp) {
-	REQUIRE(funcp != NULL);
-	if (*funcp == NULL)
-		*funcp = &opensslrsa_functions;
-	return (ISC_R_SUCCESS);
-}
-
-#else /* OPENSSL */
-
-#include <isc/util.h>
-
-EMPTY_TRANSLATION_UNIT
-
-#endif /* OPENSSL */
-/*! \file */