1 files changed, 134 insertions, 130 deletions

diff --git a/drivers/builtin_openssl2/ssl/s2_enc.c b/drivers/builtin_openssl2/ssl/s2_enc.c
index ff3395f459..23eef72aa4 100644
--- a/drivers/builtin_openssl2/ssl/s2_enc.c
+++ b/drivers/builtin_openssl2/ssl/s2_enc.c
@@ -5,21 +5,21 @@
  * 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:
@@ -34,10 +34,10 @@
  *     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 
+ * 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
@@ -49,7 +49,7 @@
  * 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
@@ -58,136 +58,140 @@
 
 #include "ssl_locl.h"
 #ifndef OPENSSL_NO_SSL2
-#include <stdio.h>
+# include <stdio.h>
 
 int ssl2_enc_init(SSL *s, int client)
-	{
-	/* Max number of bytes needed */
-	EVP_CIPHER_CTX *rs,*ws;
-	const EVP_CIPHER *c;
-	const EVP_MD *md;
-	int num;
-
-	if (!ssl_cipher_get_evp(s->session,&c,&md,NULL,NULL,NULL))
-		{
-		ssl2_return_error(s,SSL2_PE_NO_CIPHER);
-		SSLerr(SSL_F_SSL2_ENC_INIT,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
-		return(0);
-		}
-	ssl_replace_hash(&s->read_hash,md);
-	ssl_replace_hash(&s->write_hash,md);
-
-	if ((s->enc_read_ctx == NULL) &&
-		((s->enc_read_ctx=(EVP_CIPHER_CTX *)
-		OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
-		goto err;
-
-	/* make sure it's intialized in case the malloc for enc_write_ctx fails
-	 * and we exit with an error */
-	rs= s->enc_read_ctx;
-	EVP_CIPHER_CTX_init(rs);
-
-	if ((s->enc_write_ctx == NULL) &&
-		((s->enc_write_ctx=(EVP_CIPHER_CTX *)
-		OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
-		goto err;
-
-	ws= s->enc_write_ctx;
-	EVP_CIPHER_CTX_init(ws);
-
-	num=c->key_len;
-	s->s2->key_material_length=num*2;
-	OPENSSL_assert(s->s2->key_material_length <= sizeof s->s2->key_material);
-
-	if (ssl2_generate_key_material(s) <= 0)
-		return 0;
-
-	OPENSSL_assert(c->iv_len <= (int)sizeof(s->session->key_arg));
-	EVP_EncryptInit_ex(ws,c,NULL,&(s->s2->key_material[(client)?num:0]),
-		s->session->key_arg);
-	EVP_DecryptInit_ex(rs,c,NULL,&(s->s2->key_material[(client)?0:num]),
-		s->session->key_arg);
-	s->s2->read_key=  &(s->s2->key_material[(client)?0:num]);
-	s->s2->write_key= &(s->s2->key_material[(client)?num:0]);
-	return(1);
-err:
-	SSLerr(SSL_F_SSL2_ENC_INIT,ERR_R_MALLOC_FAILURE);
-	return(0);
-	}
-
-/* read/writes from s->s2->mac_data using length for encrypt and 
- * decrypt.  It sets s->s2->padding and s->[rw]length
- * if we are encrypting */
-void ssl2_enc(SSL *s, int send)
-	{
-	EVP_CIPHER_CTX *ds;
-	unsigned long l;
-	int bs;
-
-	if (send)
-		{
-		ds=s->enc_write_ctx;
-		l=s->s2->wlength;
-		}
-	else
-		{
-		ds=s->enc_read_ctx;
-		l=s->s2->rlength;
-		}
-
-	/* check for NULL cipher */
-	if (ds == NULL) return;
-
-
-	bs=ds->cipher->block_size;
-	/* This should be using (bs-1) and bs instead of 7 and 8, but
-	 * what the hell. */
-	if (bs == 8)
-		l=(l+7)/8*8;
-
-	EVP_Cipher(ds,s->s2->mac_data,s->s2->mac_data,l);
-	}
+{
+    /* Max number of bytes needed */
+    EVP_CIPHER_CTX *rs, *ws;
+    const EVP_CIPHER *c;
+    const EVP_MD *md;
+    int num;
+
+    if (!ssl_cipher_get_evp(s->session, &c, &md, NULL, NULL, NULL)) {
+        ssl2_return_error(s, SSL2_PE_NO_CIPHER);
+        SSLerr(SSL_F_SSL2_ENC_INIT, SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
+        return (0);
+    }
+    ssl_replace_hash(&s->read_hash, md);
+    ssl_replace_hash(&s->write_hash, md);
+
+    if ((s->enc_read_ctx == NULL) && ((s->enc_read_ctx = (EVP_CIPHER_CTX *)
+                                       OPENSSL_malloc(sizeof(EVP_CIPHER_CTX)))
+                                      == NULL))
+        goto err;
+
+    /*
+     * make sure it's intialized in case the malloc for enc_write_ctx fails
+     * and we exit with an error
+     */
+    rs = s->enc_read_ctx;
+    EVP_CIPHER_CTX_init(rs);
+
+    if ((s->enc_write_ctx == NULL) && ((s->enc_write_ctx = (EVP_CIPHER_CTX *)
+                                        OPENSSL_malloc(sizeof
+                                                       (EVP_CIPHER_CTX))) ==
+                                       NULL))
+        goto err;
+
+    ws = s->enc_write_ctx;
+    EVP_CIPHER_CTX_init(ws);
+
+    num = c->key_len;
+    s->s2->key_material_length = num * 2;
+    OPENSSL_assert(s->s2->key_material_length <= sizeof s->s2->key_material);
+
+    if (ssl2_generate_key_material(s) <= 0)
+        return 0;
+
+    OPENSSL_assert(c->iv_len <= (int)sizeof(s->session->key_arg));
+    EVP_EncryptInit_ex(ws, c, NULL,
+                       &(s->s2->key_material[(client) ? num : 0]),
+                       s->session->key_arg);
+    EVP_DecryptInit_ex(rs, c, NULL,
+                       &(s->s2->key_material[(client) ? 0 : num]),
+                       s->session->key_arg);
+    s->s2->read_key = &(s->s2->key_material[(client) ? 0 : num]);
+    s->s2->write_key = &(s->s2->key_material[(client) ? num : 0]);
+    return (1);
+ err:
+    SSLerr(SSL_F_SSL2_ENC_INIT, ERR_R_MALLOC_FAILURE);
+    return (0);
+}
+
+/*
+ * read/writes from s->s2->mac_data using length for encrypt and decrypt.
+ * It sets s->s2->padding and s->[rw]length if we are encrypting Returns 0 on
+ * error and 1 on success
+ */
+int ssl2_enc(SSL *s, int send)
+{
+    EVP_CIPHER_CTX *ds;
+    unsigned long l;
+    int bs;
+
+    if (send) {
+        ds = s->enc_write_ctx;
+        l = s->s2->wlength;
+    } else {
+        ds = s->enc_read_ctx;
+        l = s->s2->rlength;
+    }
+
+    /* check for NULL cipher */
+    if (ds == NULL)
+        return 1;
+
+    bs = ds->cipher->block_size;
+    /*
+     * This should be using (bs-1) and bs instead of 7 and 8, but what the
+     * hell.
+     */
+    if (bs == 8)
+        l = (l + 7) / 8 * 8;
+
+    if (EVP_Cipher(ds, s->s2->mac_data, s->s2->mac_data, l) < 1)
+        return 0;
+
+    return 1;
+}
 
 void ssl2_mac(SSL *s, unsigned char *md, int send)
-	{
-	EVP_MD_CTX c;
-	unsigned char sequence[4],*p,*sec,*act;
-	unsigned long seq;
-	unsigned int len;
-
-	if (send)
-		{
-		seq=s->s2->write_sequence;
-		sec=s->s2->write_key;
-		len=s->s2->wact_data_length;
-		act=s->s2->wact_data;
-		}
-	else
-		{
-		seq=s->s2->read_sequence;
-		sec=s->s2->read_key;
-		len=s->s2->ract_data_length;
-		act=s->s2->ract_data;
-		}
-
-	p= &(sequence[0]);
-	l2n(seq,p);
-
-	/* There has to be a MAC algorithm. */
-	EVP_MD_CTX_init(&c);
-	EVP_MD_CTX_copy(&c, s->read_hash);
-	EVP_DigestUpdate(&c,sec,
-		EVP_CIPHER_CTX_key_length(s->enc_read_ctx));
-	EVP_DigestUpdate(&c,act,len); 
-	/* the above line also does the pad data */
-	EVP_DigestUpdate(&c,sequence,4); 
-	EVP_DigestFinal_ex(&c,md,NULL);
-	EVP_MD_CTX_cleanup(&c);
-	}
-#else /* !OPENSSL_NO_SSL2 */
+{
+    EVP_MD_CTX c;
+    unsigned char sequence[4], *p, *sec, *act;
+    unsigned long seq;
+    unsigned int len;
+
+    if (send) {
+        seq = s->s2->write_sequence;
+        sec = s->s2->write_key;
+        len = s->s2->wact_data_length;
+        act = s->s2->wact_data;
+    } else {
+        seq = s->s2->read_sequence;
+        sec = s->s2->read_key;
+        len = s->s2->ract_data_length;
+        act = s->s2->ract_data;
+    }
+
+    p = &(sequence[0]);
+    l2n(seq, p);
+
+    /* There has to be a MAC algorithm. */
+    EVP_MD_CTX_init(&c);
+    EVP_MD_CTX_copy(&c, s->read_hash);
+    EVP_DigestUpdate(&c, sec, EVP_CIPHER_CTX_key_length(s->enc_read_ctx));
+    EVP_DigestUpdate(&c, act, len);
+    /* the above line also does the pad data */
+    EVP_DigestUpdate(&c, sequence, 4);
+    EVP_DigestFinal_ex(&c, md, NULL);
+    EVP_MD_CTX_cleanup(&c);
+}
+#else                           /* !OPENSSL_NO_SSL2 */
 
 # if PEDANTIC
-static void *dummy=&dummy;
+static void *dummy = &dummy;
 # endif
 
 #endif