[PATCH] IPC_SET_PERM cleanup

[Linda Knippers]

In case anyone is interested, this is what the audit records
for an semctl IPC_SET look like with my patch.

Success case:
type=SYSCALL msg=audit(1146863632.117:98): arch=c000003e syscall=66
success=yes exit=0 a0=10000 a1=1 a2=1 a3=7fff2811c6f0 items=0 ppid=4355
pid=4367 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0
tty=pts1 comm="syscalls"
exe="/usr/local/eal3_testing/audit-test/syscalls/syscalls"
subj=user_u:system_r:unconfined_t:s0-s0:c0.c255
type=IPC_SET_PERM msg=audit(1146863632.117:98): new_qbytes=0 new_iuid=501
new_igid=0 new_mode=0
type=IPC msg=audit(1146863632.117:98): iuid=0 igid=0 mode=1c0
obj=user_u:system_r:unconfined_t:s0-s0:c0.c255

Failure case:
type=SYSCALL msg=audit(1146863632.369:102): arch=c000003e syscall=66
success=no exit=-1 a0=18000 a1=1 a2=1 a3=7fff11ca6280 items=0 ppid=4377
pid=4388 auid=500 uid=0 gid=0 euid=501 suid=0 fsuid=501 egid=0 sgid=0 fsgid=0
tty=pts1 comm="syscalls"
exe="/usr/local/eal3_testing/audit-test/syscalls/syscalls"
subj=user_u:system_r:unconfined_t:s0-s0:c0.c255
type=IPC_SET_PERM msg=audit(1146863632.369:102): new_qbytes=0 new_iuid=501
new_igid=0 new_mode=0
type=IPC msg=audit(1146863632.369:102): iuid=0 igid=0 mode=1c0
obj=user_u:system_r:unconfined_t:s0-s0:c0.c255

With the .22 kernel, they look like this:

Success case:
type=SYSCALL msg=audit(1146691872.791:94): arch=c000003e syscall=66
success=yes exit=0 a0=10000 a1=1 a2=1 a3=7fff328a7e70 items=0 pid=4327
auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0
tty=pts2 comm="syscalls"
exe="/usr/local/eal3_testing/audit-test/syscalls/syscalls"
subj=user_u:system_r:unconfined_t:s0-s0:c0.c255
type=IPC_SET_PERM msg=audit(1146691872.791:94):  new qbytes=0 new
iuid=501 new igid=0 new mode=0
obj=user_u:system_r:unconfined_t:s0-s0:c0.c255
type=IPC msg=audit(1146691872.791:94):  qbytes=5a5a5a5a5a5a5a5a iuid=0
igid=0 mode=1c0 obj=user_u:system_r:unconfined_t:s0-s0:c0.c255

Failure case:
type=SYSCALL msg=audit(1146691112.828:64): arch=c000003e syscall=66
success=no exit=-1 a0=8000 a1=1 a2=1 a3=7fff96610bd0 items=0 pid=3101
auid=500 uid=0 gid=0 euid=501 suid=0 fsuid=501 egid=0 sgid=0 fsgid=0
tty=pts2 comm="syscalls"
exe="/usr/local/eal3_testing/audit-test/syscalls/syscalls"
subj=user_u:system_r:unconfined_t:s0-s0:c0.c255
type=IPC msg=audit(1146691112.828:64):  qbytes=5a5a5a5a5a5a5a5a iuid=0
igid=0 mode=1c0 obj=user_u:system_r:unconfined_t:s0-s0:c0.c255

-- ljk