xnu-4570.20.62.tar.gz

[apple/xnu.git] / bsd / kern / kern_xxx.c

diff --git a/bsd/kern/kern_xxx.c b/bsd/kern/kern_xxx.c
index a4e96162ea4fdd52b693d2a8aeb94daac69ff425..c4674fc33f7ff2bf53921ef490d348c826ab185b 100644 (file)
--- a/bsd/kern/kern_xxx.c
+++ b/bsd/kern/kern_xxx.c
@@ -102,27 +102,38 @@ reboot(struct proc *p, struct reboot_args *uap, __unused int32_t *retval)
 
        message[0] = '\0';
 
-       if ((error = suser(kauth_cred_get(), &p->p_acflag)))
-               return(error);  
-       
+       if ((error = suser(kauth_cred_get(), &p->p_acflag))) {
+#if (DEVELOPMENT || DEBUG)
+               /* allow non-root user to call panic on dev/debug kernels */
+               if (!(uap->opt & RB_PANIC))
+                       return error;
+#else
+               return error;
+#endif
+       }
+
        if (uap->opt & RB_COMMAND)
                 return ENOSYS;
 
         if (uap->opt & RB_PANIC) {
-#if !(DEVELOPMENT || DEBUG)
-               if (p != initproc) {
-                        return EPERM;
-                }
-#endif
                error = copyinstr(uap->command, (void *)message, sizeof(message), (size_t *)&dummy);
         }
 
 #if CONFIG_MACF
+#if (DEVELOPMENT || DEBUG)
+        if (uap->opt & RB_PANIC) {
+               /* on dev/debug kernels: allow anyone to call panic */
+               goto skip_cred_check;
+       }
+#endif
        if (error)
                return (error);
        my_cred = kauth_cred_proc_ref(p);
        error = mac_system_check_reboot(my_cred, uap->opt);
        kauth_cred_unref(&my_cred);
+#if (DEVELOPMENT || DEBUG)
+skip_cred_check:
+#endif
 #endif
        if (!error) {
                OSBitOrAtomic(P_REBOOT, &p->p_flag);  /* No more signals for this proc */