userns: Convert audit to work with user namespaces enabled

[firefly-linux-kernel-4.4.55.git] / kernel / auditsc.c

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 26fdfc092e356513d3ea7f400daa62921fe647a6..ff4798fcb4884d371f5b393c11dbcd8c585e1fbb 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -150,7 +150,7 @@ struct audit_aux_data_pids {
        struct audit_aux_data   d;
        pid_t                   target_pid[AUDIT_AUX_PIDS];
        kuid_t                  target_auid[AUDIT_AUX_PIDS];
-       uid_t                   target_uid[AUDIT_AUX_PIDS];
+       kuid_t                  target_uid[AUDIT_AUX_PIDS];
        unsigned int            target_sessionid[AUDIT_AUX_PIDS];
        u32                     target_sid[AUDIT_AUX_PIDS];
        char                    target_comm[AUDIT_AUX_PIDS][TASK_COMM_LEN];
@@ -208,14 +208,14 @@ struct audit_context {
        size_t sockaddr_len;
                                /* Save things to print about task_struct */
        pid_t               pid, ppid;
-       uid_t               uid, euid, suid, fsuid;
-       gid_t               gid, egid, sgid, fsgid;
+       kuid_t              uid, euid, suid, fsuid;
+       kgid_t              gid, egid, sgid, fsgid;
        unsigned long       personality;
        int                 arch;
 
        pid_t               target_pid;
        kuid_t              target_auid;
-       uid_t               target_uid;
+       kuid_t              target_uid;
        unsigned int        target_sessionid;
        u32                 target_sid;
        char                target_comm[TASK_COMM_LEN];
@@ -231,8 +231,8 @@ struct audit_context {
                        long args[6];
                } socketcall;
                struct {
-                       uid_t                   uid;
-                       gid_t                   gid;
+                       kuid_t                  uid;
+                       kgid_t                  gid;
                        umode_t                 mode;
                        u32                     osid;
                        int                     has_perm;
@@ -1176,7 +1176,7 @@ static void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk
 }
 
 static int audit_log_pid_context(struct audit_context *context, pid_t pid,
-                                kuid_t auid, uid_t uid, unsigned int sessionid,
+                                kuid_t auid, kuid_t uid, unsigned int sessionid,
                                 u32 sid, char *comm)
 {
        struct audit_buffer *ab;
@@ -1190,7 +1190,7 @@ static int audit_log_pid_context(struct audit_context *context, pid_t pid,
 
        audit_log_format(ab, "opid=%d oauid=%d ouid=%d oses=%d", pid,
                         from_kuid(&init_user_ns, auid),
-                        uid, sessionid);
+                        from_kuid(&init_user_ns, uid), sessionid);
        if (security_secid_to_secctx(sid, &ctx, &len)) {
                audit_log_format(ab, " obj=(none)");
                rc = 1;
@@ -1440,7 +1440,9 @@ static void show_special(struct audit_context *context, int *call_panic)
                u32 osid = context->ipc.osid;
 
                audit_log_format(ab, "ouid=%u ogid=%u mode=%#ho",
-                        context->ipc.uid, context->ipc.gid, context->ipc.mode);
+                                from_kuid(&init_user_ns, context->ipc.uid),
+                                from_kgid(&init_user_ns, context->ipc.gid),
+                                context->ipc.mode);
                if (osid) {
                        char *ctx = NULL;
                        u32 len;
@@ -1553,8 +1555,8 @@ static void audit_log_name(struct audit_context *context, struct audit_names *n,
                                 MAJOR(n->dev),
                                 MINOR(n->dev),
                                 n->mode,
-                                n->uid,
-                                n->gid,
+                                from_kuid(&init_user_ns, n->uid),
+                                from_kgid(&init_user_ns, n->gid),
                                 MAJOR(n->rdev),
                                 MINOR(n->rdev));
        }
@@ -1632,10 +1634,15 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
                  context->ppid,
                  context->pid,
                  from_kuid(&init_user_ns, tsk->loginuid),
-                 context->uid,
-                 context->gid,
-                 context->euid, context->suid, context->fsuid,
-                 context->egid, context->sgid, context->fsgid, tty,
+                 from_kuid(&init_user_ns, context->uid),
+                 from_kgid(&init_user_ns, context->gid),
+                 from_kuid(&init_user_ns, context->euid),
+                 from_kuid(&init_user_ns, context->suid),
+                 from_kuid(&init_user_ns, context->fsuid),
+                 from_kgid(&init_user_ns, context->egid),
+                 from_kgid(&init_user_ns, context->sgid),
+                 from_kgid(&init_user_ns, context->fsgid),
+                 tty,
                  tsk->sessionid);
 
 
@@ -2315,7 +2322,8 @@ int audit_set_loginuid(kuid_t loginuid)
                        audit_log_format(ab, "login pid=%d uid=%u "
                                "old auid=%u new auid=%u"
                                " old ses=%u new ses=%u",
-                               task->pid, task_uid(task),
+                               task->pid,
+                               from_kuid(&init_user_ns, task_uid(task)),
                                from_kuid(&init_user_ns, task->loginuid),
                                from_kuid(&init_user_ns, loginuid),
                                task->sessionid, sessionid);
@@ -2540,7 +2548,7 @@ int __audit_signal_info(int sig, struct task_struct *t)
        struct audit_aux_data_pids *axp;
        struct task_struct *tsk = current;
        struct audit_context *ctx = tsk->audit_context;
-       uid_t uid = current_uid(), t_uid = task_uid(t);
+       kuid_t uid = current_uid(), t_uid = task_uid(t);
 
        if (audit_pid && t->tgid == audit_pid) {
                if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) {
@@ -2666,8 +2674,8 @@ void __audit_mmap_fd(int fd, int flags)
 
 static void audit_log_abend(struct audit_buffer *ab, char *reason, long signr)
 {
-       uid_t auid, uid;
-       gid_t gid;
+       kuid_t auid, uid;
+       kgid_t gid;
        unsigned int sessionid;
 
        auid = audit_get_loginuid(current);
@@ -2675,7 +2683,10 @@ static void audit_log_abend(struct audit_buffer *ab, char *reason, long signr)
        current_uid_gid(&uid, &gid);
 
        audit_log_format(ab, "auid=%u uid=%u gid=%u ses=%u",
-                        auid, uid, gid, sessionid);
+                        from_kuid(&init_user_ns, auid),
+                        from_kuid(&init_user_ns, uid),
+                        from_kgid(&init_user_ns, gid),
+                        sessionid);
        audit_log_task_context(ab);
        audit_log_format(ab, " pid=%d comm=", current->pid);
        audit_log_untrustedstring(ab, current->comm);