xnu-3248.40.184.tar.gz

[apple/xnu.git] / bsd / vfs / vfs_syscalls.c

diff --git a/bsd/vfs/vfs_syscalls.c b/bsd/vfs/vfs_syscalls.c
index adea23a19e24851d3a2c976671d002c5873f4285..0ed08b06f35bdef62e59752932d7a88ce2053bb6 100644 (file)
--- a/bsd/vfs/vfs_syscalls.c
+++ b/bsd/vfs/vfs_syscalls.c
@@ -100,6 +100,7 @@
 #include <sys/ubc_internal.h>
 #include <sys/disk.h>
 #include <sys/content_protection.h>
+#include <sys/priv.h>
 #include <machine/cons.h>
 #include <machine/limits.h>
 #include <miscfs/specfs/specdev.h>
@@ -118,6 +119,10 @@
 #include <pexpert/pexpert.h>
 #include <IOKit/IOBSD.h>
 
+#if ROUTEFS
+#include <miscfs/routefs/routefs.h>
+#endif /* ROUTEFS */
+
 #if CONFIG_MACF
 #include <security/mac.h>
 #include <security/mac_framework.h>
@@ -231,7 +236,7 @@ enum {
  * Virtual File System System Calls
  */
 
-#if NFSCLIENT || DEVFS
+#if NFSCLIENT || DEVFS || ROUTEFS
 /*
  * Private in-kernel mounting spi (NFS only, not exported)
  */
@@ -681,7 +686,7 @@ mount_common(char *fstypename, vnode_t pvp, vnode_t vp,
        /* XXX 3762912 hack to support HFS filesystem 'owner' - filesystem may update later */
        vfs_setowner(mp, KAUTH_UID_NONE, KAUTH_GID_NONE);
 
-#if NFSCLIENT || DEVFS
+#if NFSCLIENT || DEVFS || ROUTEFS
        if (kernelmount)
                mp->mnt_kern_flag |= MNTK_KERNEL_MOUNT;
        if ((internal_flags & KERNEL_MOUNT_PERMIT_UNMOUNT) != 0)
@@ -3691,6 +3696,10 @@ openbyid_np(__unused proc_t p, struct openbyid_np_args *uap, int *retval)
        int pathlen = 0;
        vfs_context_t ctx = vfs_context_current();
 
+       if ((error = priv_check_cred(vfs_context_ucred(ctx), PRIV_VFS_OPEN_BY_ID, 0))) {
+               return (error);
+       }
+
        if ((error = copyin(uap->fsid, (caddr_t)&fsid, sizeof(fsid)))) {
                return (error);
        }
@@ -9375,6 +9384,27 @@ fsctl_internal(proc_t p, vnode_t *arg_vp, u_long cmd, user_addr_t udata, u_long
                }
                break;
 
+               case FSCTL_ROUTEFS_SETROUTEID: {
+#if ROUTEFS
+                       char routepath[MAXPATHLEN];
+                       size_t len = 0;
+                       
+                       if ((error = suser(kauth_cred_get(), &(current_proc()->p_acflag)))) {
+                               break;
+                       }
+                       bzero(routepath, MAXPATHLEN);
+                       error = copyinstr(udata, &routepath[0], MAXPATHLEN, &len);
+                       if (error) {
+                               break;
+                       }
+                       error = routefs_kernel_mount(routepath);
+                       if (error) {
+                               break;
+                       }
+#endif
+               }
+               break;
+
                case FSCTL_SET_PACKAGE_EXTS: {
                        user_addr_t ext_strings;
                        uint32_t    num_entries;