diff options
| -rw-r--r-- | include/uapi/linux/audit.h | 5 | ||||
| -rw-r--r-- | kernel/auditfilter.c | 2 | ||||
| -rw-r--r-- | kernel/auditsc.c | 5 |
3 files changed, 11 insertions, 1 deletions
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h index 82e8aa59446b..c8dc97bc2c1b 100644 --- a/include/uapi/linux/audit.h +++ b/include/uapi/linux/audit.h @@ -254,6 +254,7 @@ #define AUDIT_OBJ_LEV_LOW 22 #define AUDIT_OBJ_LEV_HIGH 23 #define AUDIT_LOGINUID_SET 24 +#define AUDIT_SESSIONID 25 /* Session ID */ /* These are ONLY useful when checking * at syscall exit time (AUDIT_AT_EXIT). */ @@ -329,9 +330,11 @@ enum { #define AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT 0x00000001 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME 0x00000002 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH 0x00000004 +#define AUDIT_FEATURE_BITMAP_SESSIONID_FILTER 0x00000010 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \ AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \ - AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH) + AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH | \ + AUDIT_FEATURE_BITMAP_SESSIONID_FILTER) /* deprecated: AUDIT_VERSION_* */ #define AUDIT_VERSION_LATEST AUDIT_FEATURE_BITMAP_ALL diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 632e90d1005f..880519d6cf2a 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -363,6 +363,7 @@ static int audit_field_valid(struct audit_entry *entry, struct audit_field *f) case AUDIT_EXIT: case AUDIT_SUCCESS: case AUDIT_INODE: + case AUDIT_SESSIONID: /* bit ops are only useful on syscall args */ if (f->op == Audit_bitmask || f->op == Audit_bittest) return -EINVAL; @@ -476,6 +477,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, if (!gid_valid(f->gid)) goto exit_free; break; + case AUDIT_SESSIONID: case AUDIT_ARCH: entry->rule.arch_f = f; break; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index d161b17ce8ce..f78cb1b3fa74 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -446,6 +446,7 @@ static int audit_filter_rules(struct task_struct *tsk, const struct cred *cred; int i, need_sid = 1; u32 sid; + unsigned int sessionid; cred = rcu_dereference_check(tsk->cred, tsk == current || task_creation); @@ -508,6 +509,10 @@ static int audit_filter_rules(struct task_struct *tsk, case AUDIT_FSGID: result = audit_gid_comparator(cred->fsgid, f->op, f->gid); break; + case AUDIT_SESSIONID: + sessionid = audit_get_sessionid(current); + result = audit_comparator(sessionid, f->op, f->val); + break; case AUDIT_PERS: result = audit_comparator(tsk->personality, f->op, f->val); break; |