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reset the gid before calling fopen() on the config file. stops people 

having read kmem access.  from rotel@indigo.ie (who obtained it from
openbsd).
This commit is contained in:
mrg 1997-12-30 05:40:47 +00:00
parent 0b57ba7265
commit 464d5b30e5
1 changed files with 7 additions and 2 deletions
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9
sbin/ccdconfig/ccdconfig.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ccdconfig.c,v 1.16 1997/12/05 20:01:51 thorpej Exp $ */
/* $NetBSD: ccdconfig.c,v 1.17 1997/12/30 05:40:47 mrg Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@ -41,7 +41,7 @@
__COPYRIGHT(
"@(#) Copyright (c) 1996, 1997\
The NetBSD Foundation, Inc. All rights reserved.");
__RCSID("$NetBSD: ccdconfig.c,v 1.16 1997/12/05 20:01:51 thorpej Exp $");
__RCSID("$NetBSD: ccdconfig.c,v 1.17 1997/12/30 05:40:47 mrg Exp $");
#endif
#include <sys/param.h>
@ -335,13 +335,18 @@ do_all(action)
char *line, *cp, *vp, **argv;
int argc, rval;
size_t len;
gid_t egid;
rval = 0;
egid = getegid();
(void)setegid(getgid());
if ((f = fopen(ccdconf, "r")) == NULL) {
(void)setegid(egid);
warn("fopen: %s", ccdconf);
return (1);
}
(void)setegid(egid);
while ((line = fparseln(f, &len, &lineno, "\\\\#", FPARSELN_UNESCALL))
!= NULL) {