diff options
| author |   deraadt <deraadt@openbsd.org> | 2015-10-14 14:24:03 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2015-10-14 14:24:03 +0000 |
| commit | 702d2838f25005ccab83bea99b9abd39276da75d (patch) | |
| tree | 5399ff5787f57e45337a2e09c11d4fdd7da97064 /sys/kern/kern_pledge.c | |
| parent | add includes for crc32() and uuid_dec_be() missed in rev 1.11 (diff) | |
| download | wireguard-openbsd-702d2838f25005ccab83bea99b9abd39276da75d.tar.xz wireguard-openbsd-702d2838f25005ccab83bea99b9abd39276da75d.zip | |
When pledged with "fattr", allow chown to supplimentary groups. This
came out of a discussion regarding "sort foo -o foo".
ok semarie
Diffstat (limited to 'sys/kern/kern_pledge.c')
| -rw-r--r-- | sys/kern/kern_pledge.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/kern/kern_pledge.c b/sys/kern/kern_pledge.c index c36ae6b500e..b37f95ab73c 100644 --- a/sys/kern/kern_pledge.c +++ b/sys/kern/kern_pledge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_pledge.c,v 1.24 2015/10/14 04:05:43 deraadt Exp $ */ +/* $OpenBSD: kern_pledge.c,v 1.25 2015/10/14 14:24:03 deraadt Exp $ */ /* * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org> @@ -913,6 +913,18 @@ pledge_sysctl_check(struct proc *p, int miblen, int *mib, void *new) } int +pledge_chown_check(struct proc *p, uid_t uid, gid_t gid) +{ + if ((p->p_p->ps_flags & PS_PLEDGE) == 0) + return (0); + if (uid != -1 && uid != p->p_ucred->cr_uid) + return (EPERM); + if (gid != -1 && !groupmember(gid, p->p_ucred)) + return (EPERM); + return (0); +} + +int pledge_adjtime_check(struct proc *p, const void *v) { const struct timeval *delta = v; |