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Don't allow mangling of uid or gid -1, since they have a special 

meaning in the sftp protocol.
This commit is contained in:
pooka 2010-01-07 21:23:10 +00:00
parent 6cd252da60
commit 754f939dd3
1 changed files with 8 additions and 2 deletions
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10
usr.sbin/puffs/mount_psshfs/psshfs.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: psshfs.c,v 1.56 2010/01/07 21:05:50 pooka Exp $ */
/* $NetBSD: psshfs.c,v 1.57 2010/01/07 21:23:10 pooka Exp $ */
/*
* Copyright (c) 2006-2009 Antti Kantee. All Rights Reserved.
@ -41,7 +41,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: psshfs.c,v 1.56 2010/01/07 21:05:50 pooka Exp $");
__RCSID("$NetBSD: psshfs.c,v 1.57 2010/01/07 21:23:10 pooka Exp $");
#endif /* !lint */
#include <sys/types.h>
@ -157,6 +157,9 @@ main(int argc, char *argv[])
case 'g':
pctx.domanglegid = 1;
pctx.manglegid = atoi(optarg);
if (pctx.manglegid == (gid_t)-1)
errx(1, "%s: -1 not allowed for -g",
getprogname());
pctx.mygid = getegid();
break;
case 'O':
@ -186,6 +189,9 @@ main(int argc, char *argv[])
case 'u':
pctx.domangleuid = 1;
pctx.mangleuid = atoi(optarg);
if (pctx.mangleuid == (uid_t)-1)
errx(1, "%s: -1 not allowed for -u",
getprogname());
pctx.myuid = geteuid();
break;
default: