summaryrefslogtreecommitdiffstats
path: root/sys
diff options
context:
space:
mode:
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/kern_jail.c2
-rw-r--r--sys/sys/jail.h7
2 files changed, 6 insertions, 3 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);
diff --git a/sys/sys/jail.h b/sys/sys/jail.h
index 560f4b8..8780967 100644
--- a/sys/sys/jail.h
+++ b/sys/sys/jail.h
@@ -14,9 +14,10 @@
#define _SYS_JAIL_H_
struct jail {
- char *path;
- char *hostname;
- u_int32_t ip_number;
+ u_int32_t version;
+ char *path;
+ char *hostname;
+ u_int32_t ip_number;
};
#ifndef KERNEL
OpenPOWER on IntegriCloud