diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-07-14 15:29:34 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-07-14 15:29:34 -0600 |
| commit | 2fceef397f9880b212a74c418290ce69e7ac00eb (patch) | |
| tree | d9cc09ab992825ef7fede4a688103503e3caf655 /security/dummy.c | |
| parent | feae1ef116ed381625d3731c5ae4f4ebcb3fa302 (diff) | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
Merge commit 'v2.6.26' into bkl-removal
Diffstat (limited to 'security/dummy.c')
| -rw-r--r-- | security/dummy.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/security/dummy.c b/security/dummy.c index f50c6c3c32c..b8916883b77 100644 --- a/security/dummy.c +++ b/security/dummy.c @@ -27,6 +27,8 @@ #include <linux/hugetlb.h> #include <linux/ptrace.h> #include <linux/file.h> +#include <linux/prctl.h> +#include <linux/securebits.h> static int dummy_ptrace (struct task_struct *parent, struct task_struct *child) { @@ -607,7 +609,27 @@ static int dummy_task_kill (struct task_struct *p, struct siginfo *info, static int dummy_task_prctl (int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5, long *rc_p) { - return 0; + switch (option) { + case PR_CAPBSET_READ: + *rc_p = (cap_valid(arg2) ? 1 : -EINVAL); + break; + case PR_GET_KEEPCAPS: + *rc_p = issecure(SECURE_KEEP_CAPS); + break; + case PR_SET_KEEPCAPS: + if (arg2 > 1) + *rc_p = -EINVAL; + else if (arg2) + current->securebits |= issecure_mask(SECURE_KEEP_CAPS); + else + current->securebits &= + ~issecure_mask(SECURE_KEEP_CAPS); + break; + default: + return 0; + } + + return 1; } static void dummy_task_reparent_to_init (struct task_struct *p) |