From b680cf39ed5bc37e0eb7eb86ad8599bf92df3f2b Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Sun, 23 Jan 2011 19:50:13 +0000
Subject: Updated to openssl-1.0.0c

---
 openssl/crypto/pkcs12/p12_key.c | 38 ++++++++++++++++++++++----------------
 1 file changed, 22 insertions(+), 16 deletions(-)

(limited to 'openssl/crypto/pkcs12/p12_key.c')

diff --git a/openssl/crypto/pkcs12/p12_key.c b/openssl/crypto/pkcs12/p12_key.c
index a29794bbb..424203f64 100644
--- a/openssl/crypto/pkcs12/p12_key.c
+++ b/openssl/crypto/pkcs12/p12_key.c
@@ -107,6 +107,7 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
 	unsigned char *B, *D, *I, *p, *Ai;
 	int Slen, Plen, Ilen, Ijlen;
 	int i, j, u, v;
+	int ret = 0;
 	BIGNUM *Ij, *Bpl1;	/* These hold Ij and B + 1 */
 	EVP_MD_CTX ctx;
 #ifdef  DEBUG_KEYGEN
@@ -144,10 +145,8 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
 	I = OPENSSL_malloc (Ilen);
 	Ij = BN_new();
 	Bpl1 = BN_new();
-	if (!D || !Ai || !B || !I || !Ij || !Bpl1) {
-		PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);
-		return 0;
-	}
+	if (!D || !Ai || !B || !I || !Ij || !Bpl1)
+		goto err;
 	for (i = 0; i < v; i++) D[i] = id;
 	p = I;
 	for (i = 0; i < Slen; i++) *p++ = salt[i % saltlen];
@@ -164,28 +163,22 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
 		}
 		memcpy (out, Ai, min (n, u));
 		if (u >= n) {
-			OPENSSL_free (Ai);
-			OPENSSL_free (B);
-			OPENSSL_free (D);
-			OPENSSL_free (I);
-			BN_free (Ij);
-			BN_free (Bpl1);
-			EVP_MD_CTX_cleanup(&ctx);
 #ifdef DEBUG_KEYGEN
 			fprintf(stderr, "Output KEY (length %d)\n", tmpn);
 			h__dump(tmpout, tmpn);
 #endif
-			return 1;	
+			ret = 1;
+			goto end;
 		}
 		n -= u;
 		out += u;
 		for (j = 0; j < v; j++) B[j] = Ai[j % u];
 		/* Work out B + 1 first then can use B as tmp space */
-		BN_bin2bn (B, v, Bpl1);
-		BN_add_word (Bpl1, 1);
+		if (!BN_bin2bn (B, v, Bpl1)) goto err;
+		if (!BN_add_word (Bpl1, 1)) goto err;
 		for (j = 0; j < Ilen ; j+=v) {
-			BN_bin2bn (I + j, v, Ij);
-			BN_add (Ij, Ij, Bpl1);
+			if (!BN_bin2bn (I + j, v, Ij)) goto err;
+			if (!BN_add (Ij, Ij, Bpl1)) goto err;
 			BN_bn2bin (Ij, B);
 			Ijlen = BN_num_bytes (Ij);
 			/* If more than 2^(v*8) - 1 cut off MSB */
@@ -201,6 +194,19 @@ int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
 			} else BN_bn2bin (Ij, I + j);
 		}
 	}
+
+err:
+	PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);
+
+end:
+	OPENSSL_free (Ai);
+	OPENSSL_free (B);
+	OPENSSL_free (D);
+	OPENSSL_free (I);
+	BN_free (Ij);
+	BN_free (Bpl1);
+	EVP_MD_CTX_cleanup(&ctx);
+	return ret;
 }
 #ifdef DEBUG_KEYGEN
 void h__dump (unsigned char *p, int len)
-- 
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