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| author | phk <phk@FreeBSD.org> | 1999-09-19 08:36:03 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1999-09-19 08:36:03 +0000 |
| commit | d879133e0bb16c1f86765e560f6cf9d3849328cc (patch) | |
| tree | 9617d57037363545f24e1c43c6252271fee2c4e8 /sys/kern/kern_jail.c | |
| parent | d6309706d9bf4b5e32e54fd49bbfc9c309ea39f4 (diff) | |
| download | FreeBSD-src-d879133e0bb16c1f86765e560f6cf9d3849328cc.zip FreeBSD-src-d879133e0bb16c1f86765e560f6cf9d3849328cc.tar.gz | |
Add a version number field to the jail(2) argument so that future changes
can be handled intelligently.
Diffstat (limited to 'sys/kern/kern_jail.c')
| -rw-r--r-- | sys/kern/kern_jail.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c index 16fd048..266cd5e 100644 --- a/sys/kern/kern_jail.c +++ b/sys/kern/kern_jail.c @@ -43,6 +43,8 @@ jail(p, uap) error = copyin(uap->jail, &j, sizeof j); if (error) return (error); + if (j.version != 0) + return (EINVAL); MALLOC(pr, struct prison *, sizeof *pr , M_PRISON, M_WAITOK); bzero((caddr_t)pr, sizeof *pr); error = copyinstr(j.hostname, &pr->pr_host, sizeof pr->pr_host, 0); |
