Fix segfault in RSA_free() (and DSA/DH/EC_KEY)
[openssl.git] / crypto / ts / ts_asn1.c
index 06bf5f37d3bf68bdc78b23ac9675e34fa1bc9c13..8707207082c9a14477038fd9aa12f326b01a37ae 100644 (file)
@@ -1,73 +1,24 @@
-/* crypto/ts/ts_asn1.c */
 /*
- * Written by Nils Larsch for the OpenSSL project 2004.
- */
-/* ====================================================================
- * Copyright (c) 2006 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).
+ * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * 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/ts.h>
 #include <openssl/err.h>
 #include <openssl/asn1t.h>
+#include "ts_lcl.h"
 
 ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
         ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
         ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
-} ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
+} static_ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
-#ifndef OPENSSL_NO_BIO
 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a)
 {
     return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
@@ -78,7 +29,6 @@ int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
 {
     return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
 }
-#endif
 #ifndef OPENSSL_NO_STDIO
 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
 {
@@ -99,11 +49,10 @@ ASN1_SEQUENCE(TS_REQ) = {
         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
-} ASN1_SEQUENCE_END(TS_REQ)
+} static_ASN1_SEQUENCE_END(TS_REQ)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
-#ifndef OPENSSL_NO_BIO
 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
 {
     return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
@@ -113,7 +62,6 @@ int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
 {
     return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
 }
-#endif
 #ifndef OPENSSL_NO_STDIO
 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
 {
@@ -130,7 +78,7 @@ ASN1_SEQUENCE(TS_ACCURACY) = {
         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
-} ASN1_SEQUENCE_END(TS_ACCURACY)
+} static_ASN1_SEQUENCE_END(TS_ACCURACY)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
@@ -146,11 +94,10 @@ ASN1_SEQUENCE(TS_TST_INFO) = {
         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
-} ASN1_SEQUENCE_END(TS_TST_INFO)
+} static_ASN1_SEQUENCE_END(TS_TST_INFO)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
-#ifndef OPENSSL_NO_BIO
 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 {
     return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
@@ -161,7 +108,6 @@ int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
 {
     return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
 }
-#endif
 #ifndef OPENSSL_NO_STDIO
 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
 {
@@ -179,7 +125,7 @@ ASN1_SEQUENCE(TS_STATUS_INFO) = {
         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
-} ASN1_SEQUENCE_END(TS_STATUS_INFO)
+} static_ASN1_SEQUENCE_END(TS_STATUS_INFO)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
@@ -195,8 +141,7 @@ static int ts_resp_set_tst_info(TS_RESP *a)
             TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
             return 0;
         }
-        if (a->tst_info != NULL)
-            TS_TST_INFO_free(a->tst_info);
+        TS_TST_INFO_free(a->tst_info);
         a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
         if (!a->tst_info) {
             TSerr(TS_F_TS_RESP_SET_TST_INFO,
@@ -218,8 +163,7 @@ static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
     if (op == ASN1_OP_NEW_POST) {
         ts_resp->tst_info = NULL;
     } else if (op == ASN1_OP_FREE_POST) {
-        if (ts_resp->tst_info != NULL)
-            TS_TST_INFO_free(ts_resp->tst_info);
+        TS_TST_INFO_free(ts_resp->tst_info);
     } else if (op == ASN1_OP_D2I_POST) {
         if (ts_resp_set_tst_info(ts_resp) == 0)
             return 0;
@@ -230,13 +174,12 @@ static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
         ASN1_OPT(TS_RESP, token, PKCS7),
-} ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
+} static_ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
 
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 
-#ifndef OPENSSL_NO_BIO
 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 {
     return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
@@ -246,7 +189,6 @@ int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 {
     return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
 }
-#endif
 #ifndef OPENSSL_NO_STDIO
 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 {
@@ -262,7 +204,7 @@ int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
-} ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
@@ -270,7 +212,7 @@ IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 ASN1_SEQUENCE(ESS_CERT_ID) = {
         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
-} ASN1_SEQUENCE_END(ESS_CERT_ID)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
@@ -278,11 +220,28 @@ IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
-} ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 
 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 
+ASN1_SEQUENCE(ESS_CERT_ID_V2) = {
+        ASN1_OPT(ESS_CERT_ID_V2, hash_alg, X509_ALGOR),
+        ASN1_SIMPLE(ESS_CERT_ID_V2, hash, ASN1_OCTET_STRING),
+        ASN1_OPT(ESS_CERT_ID_V2, issuer_serial, ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID_V2)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT_V2) = {
+        ASN1_SEQUENCE_OF(ESS_SIGNING_CERT_V2, cert_ids, ESS_CERT_ID_V2),
+        ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT_V2, policy_info, POLICYINFO)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT_V2)
+
 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 {
@@ -296,31 +255,22 @@ TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
         return NULL;
     }
-
-    /* Content must be present. */
     if (PKCS7_get_detached(token)) {
         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
         return NULL;
     }
-
-    /* We have a signed data with content. */
     pkcs7_signed = token->d.sign;
     enveloped = pkcs7_signed->contents;
     if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
         return NULL;
     }
-
-    /* We have a DER encoded TST_INFO as the signed data. */
     tst_info_wrapper = enveloped->d.other;
     if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
         return NULL;
     }
-
-    /* We have the correct ASN1_OCTET_STRING type. */
     tst_info_der = tst_info_wrapper->value.octet_string;
-    /* At last, decode the TST_INFO. */
     p = tst_info_der->data;
     return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 }