diff options
| author | Casey Schaufler <[email protected]> | 2024-10-09 10:32:14 -0700 |
|---|---|---|
| committer | Paul Moore <[email protected]> | 2024-10-11 14:34:13 -0400 |
| commit | e4f682204408a5c4430bf636aec78c894c14e901 (patch) | |
| tree | 541e8a6d21e9c33f21a397929c48bc2eeb794e47 | |
| parent | f4602f163c98bc93c118e196466c1c98186adb67 (diff) | |
audit: update shutdown LSM data
The audit process LSM information is changed from a secid audit_sig_sid
to an lsm_prop in audit_sig_lsm. Update the users of this data
appropriately. Calls to security_secid_to_secctx() are changed to use
security_lsmprop_to_secctx() instead. security_current_getsecid_subj()
is scaffolded. It will be updated in a subsequent patch.
Signed-off-by: Casey Schaufler <[email protected]>
[PM: subject line tweak]
Signed-off-by: Paul Moore <[email protected]>
| -rw-r--r-- | kernel/audit.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 1edaa4846a47..47c41e6f9ea9 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -123,7 +123,7 @@ static u32 audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME; /* The identity of the user shutting down the audit system. */ static kuid_t audit_sig_uid = INVALID_UID; static pid_t audit_sig_pid = -1; -static u32 audit_sig_sid; +static struct lsm_prop audit_sig_lsm; /* Records can be lost in several ways: 0) [suppressed in audit_alloc] @@ -1473,20 +1473,21 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh, } case AUDIT_SIGNAL_INFO: len = 0; - if (audit_sig_sid) { - err = security_secid_to_secctx(audit_sig_sid, &ctx, &len); + if (lsmprop_is_set(&audit_sig_lsm)) { + err = security_lsmprop_to_secctx(&audit_sig_lsm, &ctx, + &len); if (err) return err; } sig_data = kmalloc(struct_size(sig_data, ctx, len), GFP_KERNEL); if (!sig_data) { - if (audit_sig_sid) + if (lsmprop_is_set(&audit_sig_lsm)) security_release_secctx(ctx, len); return -ENOMEM; } sig_data->uid = from_kuid(&init_user_ns, audit_sig_uid); sig_data->pid = audit_sig_pid; - if (audit_sig_sid) { + if (lsmprop_is_set(&audit_sig_lsm)) { memcpy(sig_data->ctx, ctx, len); security_release_secctx(ctx, len); } @@ -2404,7 +2405,8 @@ int audit_signal_info(int sig, struct task_struct *t) audit_sig_uid = auid; else audit_sig_uid = uid; - security_current_getsecid_subj(&audit_sig_sid); + /* scaffolding */ + security_current_getsecid_subj(&audit_sig_lsm.scaffold.secid); } return audit_signal_info_syscall(t); |