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- markus@cvs.openbsd.org 2001/10/03 10:01:20

Browse Source 
[auth.c]
     use realpath() for homedir, too. from jinmei@isl.rdc.toshiba.co.jp
This commit is contained in:
Ben Lindstrom 2001-10-03 17:55:26 +00:00
parent 1bae404457
commit c3e49e7b31
2 changed files with 12 additions and 4 deletions
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5
ChangeLog
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@ -37,6 +37,9 @@
- stevesk@cvs.openbsd.org 2001/10/02 22:56:09
[sshd.c]
#include "channels.h" for channel_set_af()
- markus@cvs.openbsd.org 2001/10/03 10:01:20
[auth.c]
use realpath() for homedir, too. from jinmei@isl.rdc.toshiba.co.jp
20011001
- (stevesk) loginrec.c: fix type conversion problems exposed when using
@ -6629,4 +6632,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1580 2001/10/03 17:46:39 mouring Exp $
$Id: ChangeLog,v 1.1581 2001/10/03 17:55:26 mouring Exp $

11
auth.c
View File

@ -23,7 +23,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: auth.c,v 1.27 2001/07/11 18:26:15 markus Exp $");
RCSID("$OpenBSD: auth.c,v 1.28 2001/10/03 10:01:20 markus Exp $");
#ifdef HAVE_LOGIN_H
#include <login.h>
@ -363,7 +363,7 @@ secure_filename(FILE *f, const char *file, struct passwd *pw,
char *err, size_t errlen)
{
uid_t uid = pw->pw_uid;
char buf[MAXPATHLEN];
char buf[MAXPATHLEN], homedir[MAXPATHLEN];
char *cp;
struct stat st;
@ -372,6 +372,11 @@ secure_filename(FILE *f, const char *file, struct passwd *pw,
strerror(errno));
return -1;
}
if (realpath(pw->pw_dir, homedir) == NULL) {
snprintf(err, errlen, "realpath %s failed: %s", pw->pw_dir,
strerror(errno));
return -1;
}
/* check the open file to avoid races */
if (fstat(fileno(f), &st) < 0 ||
@ -400,7 +405,7 @@ secure_filename(FILE *f, const char *file, struct passwd *pw,
}
/* If are passed the homedir then we can stop */
if (strcmp(pw->pw_dir, buf) == 0) {
if (strcmp(homedir, buf) == 0) {
debug3("secure_filename: terminating check at '%s'",
buf);
break;