Author: pfg
Date: Fri Jun 3 03:22:00 2016
New Revision: 301234
URL: https://svnweb.freebsd.org/changeset/base/301234
Log:
MFC r300322, 300340:
ed(1): Cleanups for the DES mode.
- Use arc4random_buf(3).
- Prevent a segmentation fault when ed receives a signal
while being in getpass(). [1]
Obtained from: OpenBSD [1] (CVS Rev. 1.15)
Modified:
stable/9/bin/ed/cbc.c
Directory Properties:
stable/9/bin/ed/ (props changed)
Modified: stable/9/bin/ed/cbc.c
==============================================================================
--- stable/9/bin/ed/cbc.c Fri Jun 3 03:20:54 2016 (r301233)
+++ stable/9/bin/ed/cbc.c Fri Jun 3 03:22:00 2016 (r301234)
@@ -96,16 +96,13 @@ void
init_des_cipher(void)
{
#ifdef DES
- int i;
-
des_ct = des_n = 0;
/* initialize the initialization vector */
MEMZERO(ivec, 8);
/* initialize the padding vector */
- for (i = 0; i < 8; i++)
- pvec[i] = (char) (arc4random() % 256);
+ arc4random_buf(pvec, sizeof(pvec));
#endif
}
@@ -170,7 +167,7 @@ get_keyword(void)
/*
* get the key
*/
- if (*(p = getpass("Enter key: "))) {
+ if ((p = getpass("Enter key: ")) != NULL && *p != '\0') {
/*
* copy it, nul-padded, into the key area
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