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This addresses PR21693. Under certain conditions, su -m will fail because

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the pointer to /etc/shells is pointing to the second entry. This change
resets the pointer before looping through the file again. FreeBSD does
this as well. Commit approved by christos and thanks to Geoff Adams for
catching and reporting it.
This commit is contained in:
jrf 2003-06-18 21:02:03 +00:00
parent 2658386875
commit 285b019fd8
1 changed files with 3 additions and 2 deletions
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5
usr.bin/su/su.c
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@ -1,4 +1,4 @@
/* $NetBSD: su.c,v 1.54 2003/04/27 08:46:26 jmmv Exp $ */
/* $NetBSD: su.c,v 1.55 2003/06/18 21:02:03 jrf Exp $ */
/*
* Copyright (c) 1988 The Regents of the University of California.
@ -44,7 +44,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)su.c 8.3 (Berkeley) 4/2/94";*/
#else
__RCSID("$NetBSD: su.c,v 1.54 2003/04/27 08:46:26 jmmv Exp $");
__RCSID("$NetBSD: su.c,v 1.55 2003/06/18 21:02:03 jrf Exp $");
#endif
#endif /* not lint */
@ -422,6 +422,7 @@ chshell(sh)
{
const char *cp;
setusershell();
while ((cp = getusershell()) != NULL)
if (!strcmp(cp, sh))
return (1);