aboutsummaryrefslogtreecommitdiff
path: root/net/netlabel/netlabel_user.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/netlabel/netlabel_user.c')
-rw-r--r--net/netlabel/netlabel_user.c84
1 files changed, 20 insertions, 64 deletions
diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c
index c2343af584c..1e779bb7fa4 100644
--- a/net/netlabel/netlabel_user.c
+++ b/net/netlabel/netlabel_user.c
@@ -5,7 +5,7 @@
* NetLabel system manages static and dynamic label mappings for network
* protocols such as CIPSO and RIPSO.
*
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
*
*/
@@ -23,8 +23,7 @@
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
@@ -35,6 +34,7 @@
#include <linux/audit.h>
#include <linux/tty.h>
#include <linux/security.h>
+#include <linux/gfp.h>
#include <net/sock.h>
#include <net/netlink.h>
#include <net/genetlink.h>
@@ -59,7 +59,7 @@
* non-zero on failure.
*
*/
-int netlbl_netlink_init(void)
+int __init netlbl_netlink_init(void)
{
int ret_val;
@@ -85,7 +85,7 @@ int netlbl_netlink_init(void)
/**
* netlbl_audit_start_common - Start an audit message
* @type: audit message type
- * @secid: LSM context ID
+ * @audit_info: NetLabel audit information
*
* Description:
* Start an audit message using the type specified in @type and fill the audit
@@ -93,75 +93,31 @@ int netlbl_netlink_init(void)
* a pointer to the audit buffer on success, NULL on failure.
*
*/
-struct audit_buffer *netlbl_audit_start_common(int type, u32 secid)
+struct audit_buffer *netlbl_audit_start_common(int type,
+ struct netlbl_audit *audit_info)
{
- struct audit_context *audit_ctx = current->audit_context;
struct audit_buffer *audit_buf;
- uid_t audit_loginuid;
- const char *audit_tty;
- char audit_comm[sizeof(current->comm)];
- struct vm_area_struct *vma;
char *secctx;
u32 secctx_len;
- audit_buf = audit_log_start(audit_ctx, GFP_ATOMIC, type);
+ if (audit_enabled == 0)
+ return NULL;
+
+ audit_buf = audit_log_start(current->audit_context, GFP_ATOMIC, type);
if (audit_buf == NULL)
return NULL;
- audit_loginuid = audit_get_loginuid(audit_ctx);
- if (current->signal &&
- current->signal->tty &&
- current->signal->tty->name)
- audit_tty = current->signal->tty->name;
- else
- audit_tty = "(none)";
- get_task_comm(audit_comm, current);
-
- audit_log_format(audit_buf,
- "netlabel: auid=%u uid=%u tty=%s pid=%d",
- audit_loginuid,
- current->uid,
- audit_tty,
- current->pid);
- audit_log_format(audit_buf, " comm=");
- audit_log_untrustedstring(audit_buf, audit_comm);
- if (current->mm) {
- down_read(&current->mm->mmap_sem);
- vma = current->mm->mmap;
- while (vma) {
- if ((vma->vm_flags & VM_EXECUTABLE) &&
- vma->vm_file) {
- audit_log_d_path(audit_buf,
- " exe=",
- vma->vm_file->f_dentry,
- vma->vm_file->f_vfsmnt);
- break;
- }
- vma = vma->vm_next;
- }
- up_read(&current->mm->mmap_sem);
- }
+ audit_log_format(audit_buf, "netlabel: auid=%u ses=%u",
+ from_kuid(&init_user_ns, audit_info->loginuid),
+ audit_info->sessionid);
- if (secid != 0 &&
- security_secid_to_secctx(secid, &secctx, &secctx_len) == 0)
+ if (audit_info->secid != 0 &&
+ security_secid_to_secctx(audit_info->secid,
+ &secctx,
+ &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
+ security_release_secctx(secctx, secctx_len);
+ }
return audit_buf;
}
-
-/**
- * netlbl_audit_nomsg - Send an audit message without additional text
- * @type: audit message type
- * @secid: LSM context ID
- *
- * Description:
- * Send an audit message with only the common NetLabel audit fields.
- *
- */
-void netlbl_audit_nomsg(int type, u32 secid)
-{
- struct audit_buffer *audit_buf;
-
- audit_buf = netlbl_audit_start_common(type, secid);
- audit_log_end(audit_buf);
-}