aboutsummaryrefslogtreecommitdiffstats
path: root/ipc/msg.c
diff options
context:
space:
mode:
Diffstat (limited to 'ipc/msg.c')
-rw-r--r--ipc/msg.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index 48a7f17a7236..7d1340ccb16b 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -13,6 +13,9 @@
13 * mostly rewritten, threaded and wake-one semantics added 13 * mostly rewritten, threaded and wake-one semantics added
14 * MSGMAX limit removed, sysctl's added 14 * MSGMAX limit removed, sysctl's added
15 * (c) 1999 Manfred Spraul <manfred@colorfullife.com> 15 * (c) 1999 Manfred Spraul <manfred@colorfullife.com>
16 *
17 * support for audit of ipc object properties and permission changes
18 * Dustin Kirkland <dustin.kirkland@us.ibm.com>
16 */ 19 */
17 20
18#include <linux/capability.h> 21#include <linux/capability.h>
@@ -447,6 +450,11 @@ asmlinkage long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
447 if (msg_checkid(msq,msqid)) 450 if (msg_checkid(msq,msqid))
448 goto out_unlock_up; 451 goto out_unlock_up;
449 ipcp = &msq->q_perm; 452 ipcp = &msq->q_perm;
453
454 err = audit_ipc_obj(ipcp);
455 if (err)
456 goto out_unlock_up;
457
450 err = -EPERM; 458 err = -EPERM;
451 if (current->euid != ipcp->cuid && 459 if (current->euid != ipcp->cuid &&
452 current->euid != ipcp->uid && !capable(CAP_SYS_ADMIN)) 460 current->euid != ipcp->uid && !capable(CAP_SYS_ADMIN))
@@ -460,7 +468,8 @@ asmlinkage long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
460 switch (cmd) { 468 switch (cmd) {
461 case IPC_SET: 469 case IPC_SET:
462 { 470 {
463 if ((err = audit_ipc_perms(setbuf.qbytes, setbuf.uid, setbuf.gid, setbuf.mode, ipcp))) 471 err = audit_ipc_set_perm(setbuf.qbytes, setbuf.uid, setbuf.gid, setbuf.mode, ipcp);
472 if (err)
464 goto out_unlock_up; 473 goto out_unlock_up;
465 474
466 err = -EPERM; 475 err = -EPERM;