diff options
author | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2017-09-13 12:09:40 -0700 |
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committer | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2017-09-13 12:09:40 -0700 |
commit | b6f94dbeacfc6f0a507413096189304c58dbe66c (patch) | |
tree | bce8c7db22209078618294c51d95a0c033aec7d9 /Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c | |
parent | 25f7fd1fb389a5f6356f353d16c5ead80dac6bbc (diff) | |
download | efi-boot-shim-upstream/13_git1505328970.9c1c35c5.tar.gz efi-boot-shim-upstream/13_git1505328970.9c1c35c5.zip |
New upstream version 13~git1505328970.9c1c35c5upstream/13_git1505328970.9c1c35c5
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c | 214 |
1 files changed, 122 insertions, 92 deletions
diff --git a/Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c b/Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c index e2cfa6dd..d4a257c3 100644 --- a/Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c +++ b/Cryptlib/OpenSSL/crypto/ocsp/ocsp_vfy.c @@ -1,29 +1,80 @@ +/* ocsp_vfy.c */ /* - * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2000. + */ +/* ==================================================================== + * Copyright (c) 2000-2004 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html */ #include <openssl/ocsp.h> -#include "ocsp_lcl.h" #include <openssl/err.h> #include <string.h> static int ocsp_find_signer(X509 **psigner, OCSP_BASICRESP *bs, - STACK_OF(X509) *certs, unsigned long flags); + STACK_OF(X509) *certs, X509_STORE *st, + unsigned long flags); static X509 *ocsp_find_signer_sk(STACK_OF(X509) *certs, OCSP_RESPID *id); -static int ocsp_check_issuer(OCSP_BASICRESP *bs, STACK_OF(X509) *chain); +static int ocsp_check_issuer(OCSP_BASICRESP *bs, STACK_OF(X509) *chain, + unsigned long flags); static int ocsp_check_ids(STACK_OF(OCSP_SINGLERESP) *sresp, OCSP_CERTID **ret); static int ocsp_match_issuerid(X509 *cert, OCSP_CERTID *cid, STACK_OF(OCSP_SINGLERESP) *sresp); -static int ocsp_check_delegated(X509 *x); +static int ocsp_check_delegated(X509 *x, int flags); static int ocsp_req_find_signer(X509 **psigner, OCSP_REQUEST *req, X509_NAME *nm, STACK_OF(X509) *certs, - unsigned long flags); + X509_STORE *st, unsigned long flags); /* Verify a basic response message */ @@ -33,30 +84,24 @@ int OCSP_basic_verify(OCSP_BASICRESP *bs, STACK_OF(X509) *certs, X509 *signer, *x; STACK_OF(X509) *chain = NULL; STACK_OF(X509) *untrusted = NULL; - X509_STORE_CTX *ctx = NULL; - int i, ret = ocsp_find_signer(&signer, bs, certs, flags); - + X509_STORE_CTX ctx; + int i, ret = 0; + ret = ocsp_find_signer(&signer, bs, certs, st, flags); if (!ret) { OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, OCSP_R_SIGNER_CERTIFICATE_NOT_FOUND); goto end; } - ctx = X509_STORE_CTX_new(); - if (ctx == NULL) { - OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, ERR_R_MALLOC_FAILURE); - goto f_err; - } if ((ret == 2) && (flags & OCSP_TRUSTOTHER)) flags |= OCSP_NOVERIFY; if (!(flags & OCSP_NOSIGS)) { EVP_PKEY *skey; - skey = X509_get0_pubkey(signer); - if (skey == NULL) { - OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, OCSP_R_NO_SIGNER_KEY); - goto err; + skey = X509_get_pubkey(signer); + if (skey) { + ret = OCSP_BASICRESP_verify(bs, skey, 0); + EVP_PKEY_free(skey); } - ret = OCSP_BASICRESP_verify(bs, skey, 0); - if (ret <= 0) { + if (!skey || ret <= 0) { OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, OCSP_R_SIGNATURE_FAILURE); goto end; } @@ -70,23 +115,25 @@ int OCSP_basic_verify(OCSP_BASICRESP *bs, STACK_OF(X509) *certs, for (i = 0; i < sk_X509_num(certs); i++) { if (!sk_X509_push(untrusted, sk_X509_value(certs, i))) { OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, ERR_R_MALLOC_FAILURE); - goto f_err; + goto end; } } } else { untrusted = bs->certs; } - init_res = X509_STORE_CTX_init(ctx, st, signer, untrusted); + init_res = X509_STORE_CTX_init(&ctx, st, signer, untrusted); if (!init_res) { + ret = -1; OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, ERR_R_X509_LIB); - goto f_err; + goto end; } - X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_OCSP_HELPER); - ret = X509_verify_cert(ctx); - chain = X509_STORE_CTX_get1_chain(ctx); + X509_STORE_CTX_set_purpose(&ctx, X509_PURPOSE_OCSP_HELPER); + ret = X509_verify_cert(&ctx); + chain = X509_STORE_CTX_get1_chain(&ctx); + X509_STORE_CTX_cleanup(&ctx); if (ret <= 0) { - i = X509_STORE_CTX_get_error(ctx); + i = X509_STORE_CTX_get_error(&ctx); OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, OCSP_R_CERTIFICATE_VERIFY_ERROR); ERR_add_error_data(2, "Verify error:", @@ -101,7 +148,7 @@ int OCSP_basic_verify(OCSP_BASICRESP *bs, STACK_OF(X509) *certs, * At this point we have a valid certificate chain need to verify it * against the OCSP issuer criteria. */ - ret = ocsp_check_issuer(bs, chain); + ret = ocsp_check_issuer(bs, chain, flags); /* If fatal error or valid match then finish */ if (ret != 0) @@ -117,30 +164,25 @@ int OCSP_basic_verify(OCSP_BASICRESP *bs, STACK_OF(X509) *certs, x = sk_X509_value(chain, sk_X509_num(chain) - 1); if (X509_check_trust(x, NID_OCSP_sign, 0) != X509_TRUST_TRUSTED) { OCSPerr(OCSP_F_OCSP_BASIC_VERIFY, OCSP_R_ROOT_CA_NOT_TRUSTED); - goto err; + goto end; } ret = 1; } + end: - X509_STORE_CTX_free(ctx); - sk_X509_pop_free(chain, X509_free); + if (chain) + sk_X509_pop_free(chain, X509_free); if (bs->certs && certs) sk_X509_free(untrusted); return ret; - - err: - ret = 0; - goto end; - f_err: - ret = -1; - goto end; } static int ocsp_find_signer(X509 **psigner, OCSP_BASICRESP *bs, - STACK_OF(X509) *certs, unsigned long flags) + STACK_OF(X509) *certs, X509_STORE *st, + unsigned long flags) { X509 *signer; - OCSP_RESPID *rid = &bs->tbsResponseData.responderId; + OCSP_RESPID *rid = bs->tbsResponseData->responderId; if ((signer = ocsp_find_signer_sk(certs, rid))) { *psigner = signer; return 2; @@ -182,13 +224,14 @@ static X509 *ocsp_find_signer_sk(STACK_OF(X509) *certs, OCSP_RESPID *id) return NULL; } -static int ocsp_check_issuer(OCSP_BASICRESP *bs, STACK_OF(X509) *chain) +static int ocsp_check_issuer(OCSP_BASICRESP *bs, STACK_OF(X509) *chain, + unsigned long flags) { STACK_OF(OCSP_SINGLERESP) *sresp; X509 *signer, *sca; OCSP_CERTID *caid = NULL; int i; - sresp = bs->tbsResponseData.responses; + sresp = bs->tbsResponseData->responses; if (sk_X509_num(chain) <= 0) { OCSPerr(OCSP_F_OCSP_CHECK_ISSUER, OCSP_R_NO_CERTIFICATES_IN_CHAIN); @@ -211,7 +254,7 @@ static int ocsp_check_issuer(OCSP_BASICRESP *bs, STACK_OF(X509) *chain) return i; if (i) { /* We have a match, if extensions OK then success */ - if (ocsp_check_delegated(signer)) + if (ocsp_check_delegated(signer, flags)) return 1; return 0; } @@ -248,9 +291,9 @@ static int ocsp_check_ids(STACK_OF(OCSP_SINGLERESP) *sresp, OCSP_CERTID **ret) tmpid = sk_OCSP_SINGLERESP_value(sresp, i)->certId; /* Check to see if IDs match */ if (OCSP_id_issuer_cmp(cid, tmpid)) { - /* If algorithm mismatch let caller deal with it */ - if (OBJ_cmp(tmpid->hashAlgorithm.algorithm, - cid->hashAlgorithm.algorithm)) + /* If algoritm mismatch let caller deal with it */ + if (OBJ_cmp(tmpid->hashAlgorithm->algorithm, + cid->hashAlgorithm->algorithm)) return 2; /* Else mismatch */ return 0; @@ -271,8 +314,7 @@ static int ocsp_match_issuerid(X509 *cert, OCSP_CERTID *cid, X509_NAME *iname; int mdlen; unsigned char md[EVP_MAX_MD_SIZE]; - if ((dgst = EVP_get_digestbyobj(cid->hashAlgorithm.algorithm)) - == NULL) { + if (!(dgst = EVP_get_digestbyobj(cid->hashAlgorithm->algorithm))) { OCSPerr(OCSP_F_OCSP_MATCH_ISSUERID, OCSP_R_UNKNOWN_MESSAGE_DIGEST); return -1; @@ -281,16 +323,16 @@ static int ocsp_match_issuerid(X509 *cert, OCSP_CERTID *cid, mdlen = EVP_MD_size(dgst); if (mdlen < 0) return -1; - if ((cid->issuerNameHash.length != mdlen) || - (cid->issuerKeyHash.length != mdlen)) + if ((cid->issuerNameHash->length != mdlen) || + (cid->issuerKeyHash->length != mdlen)) return 0; iname = X509_get_subject_name(cert); if (!X509_NAME_digest(iname, dgst, md, NULL)) return -1; - if (memcmp(md, cid->issuerNameHash.data, mdlen)) + if (memcmp(md, cid->issuerNameHash->data, mdlen)) return 0; X509_pubkey_digest(cert, dgst, md, NULL); - if (memcmp(md, cid->issuerKeyHash.data, mdlen)) + if (memcmp(md, cid->issuerKeyHash->data, mdlen)) return 0; return 1; @@ -310,10 +352,10 @@ static int ocsp_match_issuerid(X509 *cert, OCSP_CERTID *cid, } -static int ocsp_check_delegated(X509 *x) +static int ocsp_check_delegated(X509 *x, int flags) { - if ((X509_get_extension_flags(x) & EXFLAG_XKUSAGE) - && (X509_get_extended_key_usage(x) & XKU_OCSP_SIGN)) + X509_check_purpose(x, -1, 0); + if ((x->ex_flags & EXFLAG_XKUSAGE) && (x->ex_xkusage & XKU_OCSP_SIGN)) return 1; OCSPerr(OCSP_F_OCSP_CHECK_DELEGATED, OCSP_R_MISSING_OCSPSIGNING_USAGE); return 0; @@ -331,80 +373,68 @@ int OCSP_request_verify(OCSP_REQUEST *req, STACK_OF(X509) *certs, X509 *signer; X509_NAME *nm; GENERAL_NAME *gen; - int ret = 0; - X509_STORE_CTX *ctx = X509_STORE_CTX_new(); - - if (ctx == NULL) { - OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, ERR_R_MALLOC_FAILURE); - goto err; - } - + int ret; + X509_STORE_CTX ctx; if (!req->optionalSignature) { OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, OCSP_R_REQUEST_NOT_SIGNED); - goto err; + return 0; } - gen = req->tbsRequest.requestorName; + gen = req->tbsRequest->requestorName; if (!gen || gen->type != GEN_DIRNAME) { OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, OCSP_R_UNSUPPORTED_REQUESTORNAME_TYPE); - goto err; + return 0; } nm = gen->d.directoryName; - ret = ocsp_req_find_signer(&signer, req, nm, certs, flags); + ret = ocsp_req_find_signer(&signer, req, nm, certs, store, flags); if (ret <= 0) { OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, OCSP_R_SIGNER_CERTIFICATE_NOT_FOUND); - goto err; + return 0; } if ((ret == 2) && (flags & OCSP_TRUSTOTHER)) flags |= OCSP_NOVERIFY; if (!(flags & OCSP_NOSIGS)) { EVP_PKEY *skey; - skey = X509_get0_pubkey(signer); + skey = X509_get_pubkey(signer); ret = OCSP_REQUEST_verify(req, skey); + EVP_PKEY_free(skey); if (ret <= 0) { OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, OCSP_R_SIGNATURE_FAILURE); - goto err; + return 0; } } if (!(flags & OCSP_NOVERIFY)) { int init_res; if (flags & OCSP_NOCHAIN) - init_res = X509_STORE_CTX_init(ctx, store, signer, NULL); + init_res = X509_STORE_CTX_init(&ctx, store, signer, NULL); else - init_res = X509_STORE_CTX_init(ctx, store, signer, + init_res = X509_STORE_CTX_init(&ctx, store, signer, req->optionalSignature->certs); if (!init_res) { OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, ERR_R_X509_LIB); - goto err; + return 0; } - X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_OCSP_HELPER); - X509_STORE_CTX_set_trust(ctx, X509_TRUST_OCSP_REQUEST); - ret = X509_verify_cert(ctx); + X509_STORE_CTX_set_purpose(&ctx, X509_PURPOSE_OCSP_HELPER); + X509_STORE_CTX_set_trust(&ctx, X509_TRUST_OCSP_REQUEST); + ret = X509_verify_cert(&ctx); + X509_STORE_CTX_cleanup(&ctx); if (ret <= 0) { - ret = X509_STORE_CTX_get_error(ctx); + ret = X509_STORE_CTX_get_error(&ctx); OCSPerr(OCSP_F_OCSP_REQUEST_VERIFY, OCSP_R_CERTIFICATE_VERIFY_ERROR); ERR_add_error_data(2, "Verify error:", X509_verify_cert_error_string(ret)); - goto err; + return 0; } } - ret = 1; - goto end; - -err: - ret = 0; -end: - X509_STORE_CTX_free(ctx); - return ret; - + return 1; } static int ocsp_req_find_signer(X509 **psigner, OCSP_REQUEST *req, X509_NAME *nm, STACK_OF(X509) *certs, - unsigned long flags) + X509_STORE *st, unsigned long flags) { X509 *signer; if (!(flags & OCSP_NOINTERN)) { |