components/openssl/openssl-1.0.1-fips-140/patches/36_evp_leak.patch
author Ronald Jordan <ron.jordan@oracle.com>
Fri, 17 Oct 2014 12:09:53 -0700
branchs11u2-sru
changeset 3402 110b254c69b8
parent 3217 6c32d6df504a
child 3621 3e00113c3743
permissions -rw-r--r--
19823263 Upgrade OpenSSL to 1.0.1j 19823177 problem in LIBRARY/OPENSSL 19823193 problem in LIBRARY/OPENSSL 19823202 problem in LIBRARY/OPENSSL 19823212 problem in LIBRARY/OPENSSL
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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     1
Patch developed in-house.  Solaris-specific; not suitable for upstream.
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--- openssl-1.0.1f/crypto/evp/evp_enc.c.orig	Mon Feb 11 07:26:04 2013
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+++ openssl-1.0.1f/crypto/evp/evp_enc.c	Mon Feb  3 16:40:48 2014
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@@ -394,10 +394,14 @@
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 		{
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 		ret = M_do_cipher(ctx, out, NULL, 0);
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 		if (ret < 0)
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-			return 0;
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+			{
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+			ret = 0;
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+			goto cleanup;
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+			}
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 		else 
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 			*outl = ret;
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-		return 1;
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+		ret = 1;
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+		goto cleanup;
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 		}
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 	b=ctx->cipher->block_size;
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@@ -405,7 +409,8 @@
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 	if (b == 1)
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 		{
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 		*outl=0;
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-		return 1;
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+		ret = 1;
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+		goto cleanup;
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 		}
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 	bl=ctx->buf_len;
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 	if (ctx->flags & EVP_CIPH_NO_PADDING)
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@@ -413,10 +418,12 @@
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 		if(bl)
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 			{
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 			EVPerr(EVP_F_EVP_ENCRYPTFINAL_EX,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH);
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-			return 0;
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+			ret = 0;
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+			goto cleanup;
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 			}
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 		*outl = 0;
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-		return 1;
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+		ret = 1;
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+		goto cleanup;
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 		}
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 	n=b-bl;
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@@ -428,6 +435,12 @@
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 	if(ret)
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 		*outl=b;
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+cleanup:
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+	if (ctx->cipher->cleanup)
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+		{
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+		ctx->cipher->cleanup(ctx);
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+		}
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+
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 	return ret;
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 	}
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@@ -502,6 +515,7 @@
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 int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
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 	{
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 	unsigned int i, b;
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+	int err = 1;
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         unsigned char pad, padding_good;
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 	*outl=0;
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@@ -509,10 +522,14 @@
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 		{
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 		int ret = M_do_cipher(ctx, out, NULL, 0);
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 		if (ret < 0)
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-			return 0;
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+			{
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+			err = 0;
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+			goto cleanup;
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+			}
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 		else
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 			*outl = ret;
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-		return 1;
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+		err = 1;
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+		goto cleanup;
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    82
 		}
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 	b=(unsigned int)(ctx->cipher->block_size);
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    85
@@ -521,10 +538,12 @@
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    86
 		if(ctx->buf_len)
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    87
 			{
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    88
 			EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH);
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    89
-			return 0;
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    90
+			err = 0;
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    91
+			goto cleanup;
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    92
 			}
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 		*outl = 0;
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    94
-		return 1;
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+		err = 1;
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    96
+		goto cleanup;
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    97
 		}
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    98
 	if (b > 1)
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    99
 		{
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   100
@@ -531,7 +550,8 @@
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   101
 		if (ctx->buf_len || !ctx->final_used)
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   102
 			{
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   103
 			EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_WRONG_FINAL_BLOCK_LENGTH);
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   104
-			return(0);
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   105
+			err = 0;
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   106
+			goto cleanup;
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   107
 			}
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   108
 		OPENSSL_assert(b <= sizeof ctx->final);
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   109
 		pad=ctx->final[b-1];
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   110
@@ -555,13 +577,22 @@
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   111
 			out[i] = ctx->final[i] & padding_good;
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   112
 		/* Safe cast: for a good padding, EVP_MAX_IV_LENGTH >= b >= pad */
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   113
 		*outl = padding_good & ((unsigned char)(b - pad));
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   114
-		return padding_good & 1;
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   115
+		err = padding_good & 1;
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   116
+		goto cleanup;
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   117
 		}
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   118
 	else
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   119
 		{
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   120
 		*outl = 0;
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   121
-		return 1;
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   122
+		err = 1;
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   123
 		}
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+
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+cleanup:
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+	if (ctx->cipher->cleanup)
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+		{
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+		ctx->cipher->cleanup(ctx);
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+		}
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+
3402
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+	return err;
3217
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 	}
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 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)