File dump-0.4b46-openssl-1.1.patch of Package dump

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File dump-0.4b46-openssl-1.1.patch of Package dump (Revision b7b996774bb637c5582fda5c48f4cac5)

Currently displaying revision b7b996774bb637c5582fda5c48f4cac5 , Show latest

Index: dump-0.4b46/common/transformation_ssl.c
===================================================================
--- dump-0.4b46.orig/common/transformation_ssl.c
+++ dump-0.4b46/common/transformation_ssl.c
@@ -215,7 +215,10 @@ generateIV(Transformation *xform, unsign
 	/* to be exposed to any attacker anyway. */
 	*saltlen = 16;
 	if (xform->enc == 1) {
-		RAND_pseudo_bytes(salt, *saltlen);
+		if (!RAND_bytes(salt, *saltlen) != 1) {
+			/* PRNG not sufficiently seeded */
+			return -1;
+		}
 	}
 	memcpy(ivbuffer, salt, 16);
 
@@ -274,7 +277,7 @@ ssl_compress(Transformation *xform, stru
 	digestlen = sizeof(digest);
 
 	/* generate salt, put it in header */
-	generateIV(xform, salt, &saltlen, iv, &ivlen);
+	generateIV(xform, salt, &saltlen, iv, &ivlen); /* TODO: check return value */
 	memcpy(tpbin->buf, salt, saltlen);
 
 	/* compress the buffer first - increase the entropy */
@@ -351,7 +354,7 @@ ssl_decompress(Transformation *xform, st
 
 	// how to know salt length?
 	memcpy(salt, src, saltlen);
-	generateIV(xform, salt, &saltlen, iv, &ivlen);
+	generateIV(xform, salt, &saltlen, iv, &ivlen); /* TODO: check return value */
 
 	EVP_DecryptInit_ex(xform->state.ssl.dataCtx, xform->state.ssl.cipher,  xform->state.ssl.engine, NULL, NULL);
 	//EVP_CIPHER_CTX_set_key_length(&ctx, 8);
@@ -515,7 +518,7 @@ Transformation
 		//EVP_CIPHER_CTX_rand_key(ctx, t->state.ssl.key);
 		//EVP_CIPHER_CTX_cleanup(ctx);
 		//EVP_CIPHER_CTX_free(ctx);
-		RAND_bytes(t->state.ssl.key, t->state.ssl.cipher->key_len);
+		RAND_bytes(t->state.ssl.key, EVP_CIPHER_key_length(t->state.ssl.cipher));
 	} else {
 		// how do we get keys?
 	}
Index: dump-0.4b46/rmt/cipher.c
===================================================================
--- dump-0.4b46.orig/rmt/cipher.c
+++ dump-0.4b46/rmt/cipher.c
@@ -23,7 +23,7 @@
 char *
 cipher(char *buf, int buflen, int do_encrypt)
 {
-	static EVP_CIPHER_CTX ctx;
+	EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
 	static char *out = NULL;	/* return value, grown as necessary */
 	static int outlen = 0;
 	static int init = 0, which, blocksize;
@@ -71,13 +71,13 @@ cipher(char *buf, int buflen, int do_enc
 		}
 		EVP_BytesToKey(cipher, EVP_md5(), NULL,
 			buf, strlen(buf), 1, key, iv);
-		EVP_CIPHER_CTX_init(&ctx);
-		EVP_CipherInit_ex(&ctx, cipher, NULL, key, iv, do_encrypt);
-		EVP_CIPHER_CTX_set_padding(&ctx, 0);	// -nopad
+		EVP_CIPHER_CTX_init(ctx);
+		EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, do_encrypt);
+		EVP_CIPHER_CTX_set_padding(ctx, 0);	// -nopad
 		OPENSSL_cleanse(buf, sizeof buf);
 		OPENSSL_cleanse(key, sizeof key);
 		OPENSSL_cleanse(iv, sizeof iv);
-		blocksize = EVP_CIPHER_CTX_block_size(&ctx);
+		blocksize = EVP_CIPHER_CTX_block_size(ctx);
 		which = do_encrypt;
 		init = 1;
 	}
@@ -95,7 +95,7 @@ cipher(char *buf, int buflen, int do_enc
 		outlen = (buflen+blocksize) * 2;
 		out = realloc(out, outlen);
 	}
-	if (!EVP_CipherUpdate(&ctx, out, &n, buf, buflen)) {
+	if (!EVP_CipherUpdate(ctx, out, &n, buf, buflen)) {
 		syslog(LOG_ERR, "EVP_CipherUpdate failed");
 		errno = EINVAL;
 		return NULL;
@@ -106,6 +106,7 @@ cipher(char *buf, int buflen, int do_enc
 		return NULL;
 	}
 	// assert(ctx->buf_len == 0);
+	EVP_CIPHER_CTX_free(ctx);
 	return out;
 }

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File dump-0.4b46-openssl-1.1.patch of Package dump (Revision b7b996774bb637c5582fda5c48f4cac5)

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