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- markus@cvs.openbsd.org 2001/11/08 10:51:08 

[readpass.c]
     don't strdup too much data; from gotoh@taiyo.co.jp; ok millert.
This commit is contained in:
Damien Miller 2001-11-12 11:05:20 +11:00
parent 36f8dd3ed6
commit 637b8ae2d4
2 changed files with 9 additions and 7 deletions
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5
ChangeLog
View File

@ -42,6 +42,9 @@
- markus@cvs.openbsd.org 2001/11/07 22:53:21
[channels.h]
crank c->path to 256 so they can hold a full hostname; dwd@bell-labs.com
- markus@cvs.openbsd.org 2001/11/08 10:51:08
[readpass.c]
don't strdup too much data; from gotoh@taiyo.co.jp; ok millert.
20011109
- (stevesk) auth-pam.c: use do_pam_authenticate(PAM_DISALLOW_NULL_AUTHTOK)
@ -6851,4 +6854,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1647 2001/11/12 00:04:54 djm Exp $
$Id: ChangeLog,v 1.1648 2001/11/12 00:05:20 djm Exp $

11
readpass.c
View File

@ -32,7 +32,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: readpass.c,v 1.22 2001/07/14 15:10:16 stevesk Exp $");
RCSID("$OpenBSD: readpass.c,v 1.23 2001/11/08 10:51:08 markus Exp $");
#include "xmalloc.h"
#include "readpass.h"
@ -45,7 +45,7 @@ ssh_askpass(char *askpass, const char *msg)
{
pid_t pid;
size_t len;
char *nl, *pass;
char *pass;
int p[2], status;
char buf[1024];
@ -71,16 +71,15 @@ ssh_askpass(char *askpass, const char *msg)
fatal("ssh_askpass: exec(%s): %s", askpass, strerror(errno));
}
close(p[1]);
len = read(p[0], buf, sizeof buf);
len = read(p[0], buf, sizeof buf -1);
close(p[0]);
while (waitpid(pid, &status, 0) < 0)
if (errno != EINTR)
break;
if (len <= 1)
return xstrdup("");
nl = strchr(buf, '\n');
if (nl)
*nl = '\0';
buf[len] = '\0';
buf[strcspn(buf, "\r\n")] = '\0';
pass = xstrdup(buf);
memset(buf, 0, sizeof(buf));
return pass;