summaryrefslogtreecommitdiff
path: root/crypto/pem/pem_info.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/pem/pem_info.c')
-rw-r--r--crypto/pem/pem_info.c121
1 files changed, 32 insertions, 89 deletions
diff --git a/crypto/pem/pem_info.c b/crypto/pem/pem_info.c
index 0994020d2eac..a45fe83001b3 100644
--- a/crypto/pem/pem_info.c
+++ b/crypto/pem/pem_info.c
@@ -1,76 +1,23 @@
-/* crypto/pem/pem_info.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
-#ifndef OPENSSL_NO_RSA
-# include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-# include <openssl/dsa.h>
-#endif
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
-#ifndef OPENSSL_NO_FP_API
+#ifndef OPENSSL_NO_STDIO
STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
pem_password_cb *cb, void *u)
{
@@ -79,12 +26,12 @@ STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
if ((b = BIO_new(BIO_s_file())) == NULL) {
PEMerr(PEM_F_PEM_X509_INFO_READ, ERR_R_BUF_LIB);
- return (0);
+ return 0;
}
BIO_set_fp(b, fp, BIO_NOCLOSE);
ret = PEM_X509_INFO_read_bio(b, sk, cb, u);
BIO_free(b);
- return (ret);
+ return ret;
}
#endif
@@ -259,14 +206,11 @@ STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
} else {
/* unknown */
}
- if (name != NULL)
- OPENSSL_free(name);
- if (header != NULL)
- OPENSSL_free(header);
- if (data != NULL)
- OPENSSL_free(data);
+ OPENSSL_free(name);
name = NULL;
+ OPENSSL_free(header);
header = NULL;
+ OPENSSL_free(data);
data = NULL;
}
@@ -282,8 +226,7 @@ STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
}
ok = 1;
err:
- if (xi != NULL)
- X509_INFO_free(xi);
+ X509_INFO_free(xi);
if (!ok) {
for (i = 0; ((int)i) < sk_X509_INFO_num(ret); i++) {
xi = sk_X509_INFO_value(ret, i);
@@ -294,13 +237,10 @@ STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
ret = NULL;
}
- if (name != NULL)
- OPENSSL_free(name);
- if (header != NULL)
- OPENSSL_free(header);
- if (data != NULL)
- OPENSSL_free(data);
- return (ret);
+ OPENSSL_free(name);
+ OPENSSL_free(header);
+ OPENSSL_free(data);
+ return ret;
}
/* A TJH addition */
@@ -308,7 +248,6 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
unsigned char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- EVP_CIPHER_CTX ctx;
int i, ret = 0;
unsigned char *data = NULL;
const char *objstr = NULL;
@@ -317,7 +256,13 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
if (enc != NULL) {
objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
- if (objstr == NULL) {
+ if (objstr == NULL
+ /*
+ * Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n"
+ * fits into buf
+ */
+ || (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13)
+ > sizeof(buf)) {
PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
goto err;
}
@@ -352,12 +297,11 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
goto err;
}
- /* create the right magic header stuff */
- OPENSSL_assert(strlen(objstr) + 23 + 2 * enc->iv_len + 13 <=
- sizeof(buf));
+ /* Create the right magic header stuff */
buf[0] = '\0';
PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
- PEM_dek_info(buf, objstr, enc->iv_len, (char *)iv);
+ PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc),
+ (char *)iv);
/* use the normal code to write things out */
i = PEM_write_bio(bp, PEM_STRING_RSA, buf, data, i);
@@ -368,7 +312,7 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
#ifndef OPENSSL_NO_RSA
/* normal optionally encrypted stuff */
if (PEM_write_bio_RSAPrivateKey(bp,
- xi->x_pkey->dec_pkey->pkey.rsa,
+ EVP_PKEY_get0_RSA(xi->x_pkey->dec_pkey),
enc, kstr, klen, cb, u) <= 0)
goto err;
#endif
@@ -388,7 +332,6 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
ret = 1;
err:
- OPENSSL_cleanse((char *)&ctx, sizeof(ctx));
OPENSSL_cleanse(buf, PEM_BUFSIZE);
- return (ret);
+ return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-22 11:57:19 +0000