Merged origin/release (checked in because wanted to merge new stuff)

1 files changed, 158 insertions, 163 deletions

diff --git a/openssl/crypto/des/enc_read.c b/openssl/crypto/des/enc_read.c
index edb6620d0..fcb66541b 100644
--- a/openssl/crypto/des/enc_read.c
+++ b/openssl/crypto/des/enc_read.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
@@ -62,11 +62,12 @@
 #include "des_locl.h"
 
 /* This has some uglies in it but it works - even over sockets. */
-/*extern int errno;*/
-OPENSSL_IMPLEMENT_GLOBAL(int,DES_rw_mode,DES_PCBC_MODE)
-
-
 /*
+ * extern int errno;
+ */
+OPENSSL_IMPLEMENT_GLOBAL(int, DES_rw_mode, DES_PCBC_MODE)
+
+/*-
  * WARNINGS:
  *
  *  -  The data format used by DES_enc_write() and DES_enc_read()
@@ -82,159 +83,153 @@ OPENSSL_IMPLEMENT_GLOBAL(int,DES_rw_mode,DES_PCBC_MODE)
  *  -  This function uses an internal state and thus cannot be
  *     used on multiple files.
  */
-
-
 int DES_enc_read(int fd, void *buf, int len, DES_key_schedule *sched,
-		 DES_cblock *iv)
-	{
+                 DES_cblock *iv)
+{
 #if defined(OPENSSL_NO_POSIX_IO)
-	return(0);
+    return (0);
 #else
-	/* data to be unencrypted */
-	int net_num=0;
-	static unsigned char *net=NULL;
-	/* extra unencrypted data 
-	 * for when a block of 100 comes in but is des_read one byte at
-	 * a time. */
-	static unsigned char *unnet=NULL;
-	static int unnet_start=0;
-	static int unnet_left=0;
-	static unsigned char *tmpbuf=NULL;
-	int i;
-	long num=0,rnum;
-	unsigned char *p;
-
-	if (tmpbuf == NULL)
-		{
-		tmpbuf=OPENSSL_malloc(BSIZE);
-		if (tmpbuf == NULL) return(-1);
-		}
-	if (net == NULL)
-		{
-		net=OPENSSL_malloc(BSIZE);
-		if (net == NULL) return(-1);
-		}
-	if (unnet == NULL)
-		{
-		unnet=OPENSSL_malloc(BSIZE);
-		if (unnet == NULL) return(-1);
-		}
-	/* left over data from last decrypt */
-	if (unnet_left != 0)
-		{
-		if (unnet_left < len)
-			{
-			/* we still still need more data but will return
-			 * with the number of bytes we have - should always
-			 * check the return value */
-			memcpy(buf,&(unnet[unnet_start]),
-			       unnet_left);
-			/* eay 26/08/92 I had the next 2 lines
-			 * reversed :-( */
-			i=unnet_left;
-			unnet_start=unnet_left=0;
-			}
-		else
-			{
-			memcpy(buf,&(unnet[unnet_start]),len);
-			unnet_start+=len;
-			unnet_left-=len;
-			i=len;
-			}
-		return(i);
-		}
-
-	/* We need to get more data. */
-	if (len > MAXWRITE) len=MAXWRITE;
-
-	/* first - get the length */
-	while (net_num < HDRSIZE) 
-		{
-#ifndef OPENSSL_SYS_WIN32
-		i=read(fd,(void *)&(net[net_num]),HDRSIZE-net_num);
-#else
-		i=_read(fd,(void *)&(net[net_num]),HDRSIZE-net_num);
-#endif
-#ifdef EINTR
-		if ((i == -1) && (errno == EINTR)) continue;
-#endif
-		if (i <= 0) return(0);
-		net_num+=i;
-		}
-
-	/* we now have at net_num bytes in net */
-	p=net;
-	/* num=0;  */
-	n2l(p,num);
-	/* num should be rounded up to the next group of eight
-	 * we make sure that we have read a multiple of 8 bytes from the net.
-	 */
-	if ((num > MAXWRITE) || (num < 0)) /* error */
-		return(-1);
-	rnum=(num < 8)?8:((num+7)/8*8);
-
-	net_num=0;
-	while (net_num < rnum)
-		{
-#ifndef OPENSSL_SYS_WIN32
-		i=read(fd,(void *)&(net[net_num]),rnum-net_num);
-#else
-		i=_read(fd,(void *)&(net[net_num]),rnum-net_num);
-#endif
-#ifdef EINTR
-		if ((i == -1) && (errno == EINTR)) continue;
-#endif
-		if (i <= 0) return(0);
-		net_num+=i;
-		}
-
-	/* Check if there will be data left over. */
-	if (len < num)
-		{
-		if (DES_rw_mode & DES_PCBC_MODE)
-			DES_pcbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
-		else
-			DES_cbc_encrypt(net,unnet,num,sched,iv,DES_DECRYPT);
-		memcpy(buf,unnet,len);
-		unnet_start=len;
-		unnet_left=num-len;
-
-		/* The following line is done because we return num
-		 * as the number of bytes read. */
-		num=len;
-		}
-	else
-		{
-		/* >output is a multiple of 8 byes, if len < rnum
-		 * >we must be careful.  The user must be aware that this
-		 * >routine will write more bytes than he asked for.
-		 * >The length of the buffer must be correct.
-		 * FIXED - Should be ok now 18-9-90 - eay */
-		if (len < rnum)
-			{
-
-			if (DES_rw_mode & DES_PCBC_MODE)
-				DES_pcbc_encrypt(net,tmpbuf,num,sched,iv,
-						 DES_DECRYPT);
-			else
-				DES_cbc_encrypt(net,tmpbuf,num,sched,iv,
-						DES_DECRYPT);
-
-			/* eay 26/08/92 fix a bug that returned more
-			 * bytes than you asked for (returned len bytes :-( */
-			memcpy(buf,tmpbuf,num);
-			}
-		else
-			{
-			if (DES_rw_mode & DES_PCBC_MODE)
-				DES_pcbc_encrypt(net,buf,num,sched,iv,
-						 DES_DECRYPT);
-			else
-				DES_cbc_encrypt(net,buf,num,sched,iv,
-						DES_DECRYPT);
-			}
-		}
-	return num;
-#endif /* OPENSSL_NO_POSIX_IO */
-	}
-
+    /* data to be unencrypted */
+    int net_num = 0;
+    static unsigned char *net = NULL;
+    /*
+     * extra unencrypted data for when a block of 100 comes in but is
+     * des_read one byte at a time.
+     */
+    static unsigned char *unnet = NULL;
+    static int unnet_start = 0;
+    static int unnet_left = 0;
+    static unsigned char *tmpbuf = NULL;
+    int i;
+    long num = 0, rnum;
+    unsigned char *p;
+
+    if (tmpbuf == NULL) {
+        tmpbuf = OPENSSL_malloc(BSIZE);
+        if (tmpbuf == NULL)
+            return (-1);
+    }
+    if (net == NULL) {
+        net = OPENSSL_malloc(BSIZE);
+        if (net == NULL)
+            return (-1);
+    }
+    if (unnet == NULL) {
+        unnet = OPENSSL_malloc(BSIZE);
+        if (unnet == NULL)
+            return (-1);
+    }
+    /* left over data from last decrypt */
+    if (unnet_left != 0) {
+        if (unnet_left < len) {
+            /*
+             * we still still need more data but will return with the number
+             * of bytes we have - should always check the return value
+             */
+            memcpy(buf, &(unnet[unnet_start]), unnet_left);
+            /*
+             * eay 26/08/92 I had the next 2 lines reversed :-(
+             */
+            i = unnet_left;
+            unnet_start = unnet_left = 0;
+        } else {
+            memcpy(buf, &(unnet[unnet_start]), len);
+            unnet_start += len;
+            unnet_left -= len;
+            i = len;
+        }
+        return (i);
+    }
+
+    /* We need to get more data. */
+    if (len > MAXWRITE)
+        len = MAXWRITE;
+
+    /* first - get the length */
+    while (net_num < HDRSIZE) {
+# ifndef OPENSSL_SYS_WIN32
+        i = read(fd, (void *)&(net[net_num]), HDRSIZE - net_num);
+# else
+        i = _read(fd, (void *)&(net[net_num]), HDRSIZE - net_num);
+# endif
+# ifdef EINTR
+        if ((i == -1) && (errno == EINTR))
+            continue;
+# endif
+        if (i <= 0)
+            return (0);
+        net_num += i;
+    }
+
+    /* we now have at net_num bytes in net */
+    p = net;
+    /* num=0;  */
+    n2l(p, num);
+    /*
+     * num should be rounded up to the next group of eight we make sure that
+     * we have read a multiple of 8 bytes from the net.
+     */
+    if ((num > MAXWRITE) || (num < 0)) /* error */
+        return (-1);
+    rnum = (num < 8) ? 8 : ((num + 7) / 8 * 8);
+
+    net_num = 0;
+    while (net_num < rnum) {
+# ifndef OPENSSL_SYS_WIN32
+        i = read(fd, (void *)&(net[net_num]), rnum - net_num);
+# else
+        i = _read(fd, (void *)&(net[net_num]), rnum - net_num);
+# endif
+# ifdef EINTR
+        if ((i == -1) && (errno == EINTR))
+            continue;
+# endif
+        if (i <= 0)
+            return (0);
+        net_num += i;
+    }
+
+    /* Check if there will be data left over. */
+    if (len < num) {
+        if (DES_rw_mode & DES_PCBC_MODE)
+            DES_pcbc_encrypt(net, unnet, num, sched, iv, DES_DECRYPT);
+        else
+            DES_cbc_encrypt(net, unnet, num, sched, iv, DES_DECRYPT);
+        memcpy(buf, unnet, len);
+        unnet_start = len;
+        unnet_left = num - len;
+
+        /*
+         * The following line is done because we return num as the number of
+         * bytes read.
+         */
+        num = len;
+    } else {
+        /*-
+         * >output is a multiple of 8 byes, if len < rnum
+         * >we must be careful.  The user must be aware that this
+         * >routine will write more bytes than he asked for.
+         * >The length of the buffer must be correct.
+         * FIXED - Should be ok now 18-9-90 - eay */
+        if (len < rnum) {
+
+            if (DES_rw_mode & DES_PCBC_MODE)
+                DES_pcbc_encrypt(net, tmpbuf, num, sched, iv, DES_DECRYPT);
+            else
+                DES_cbc_encrypt(net, tmpbuf, num, sched, iv, DES_DECRYPT);
+
+            /*
+             * eay 26/08/92 fix a bug that returned more bytes than you asked
+             * for (returned len bytes :-(
+             */
+            memcpy(buf, tmpbuf, num);
+        } else {
+            if (DES_rw_mode & DES_PCBC_MODE)
+                DES_pcbc_encrypt(net, buf, num, sched, iv, DES_DECRYPT);
+            else
+                DES_cbc_encrypt(net, buf, num, sched, iv, DES_DECRYPT);
+        }
+    }
+    return num;
+#endif                          /* OPENSSL_NO_POSIX_IO */
+}