diff options
Diffstat (limited to 'ipc/msg.c')
-rw-r--r-- | ipc/msg.c | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -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; |