]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/isofs/cd9660/cd9660_util.c
xnu-792.17.14.tar.gz
[apple/xnu.git] / bsd / isofs / cd9660 / cd9660_util.c
index 2a3798e1df2d5eab62afb63da1fc723da70465da..0a3b9315bbe53b7da2ce7df23070aca6c20c05a1 100644 (file)
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*     $NetBSD: cd9660_util.c,v 1.8 1994/12/13 22:33:25 mycroft Exp $  */
 
@@ -76,6 +82,7 @@
 #include <sys/stat.h>
 #include <sys/buf.h>
 #include <sys/proc.h>
+#include <sys/kauth.h>
 #include <sys/conf.h>
 #include <sys/utfconv.h>
 #include <miscfs/specfs/specdev.h> /* XXX */
  * Note: Version number plus ';' may be omitted.
  */
 int
-isofncmp(fn, fnlen, isofn, isolen)
-       u_char *fn, *isofn;
-       int fnlen, isolen;
+isofncmp(u_char *fn, int fnlen, u_char *isofn, int isolen)
 {
        int i, j;
        char c;
@@ -160,11 +165,7 @@ isofncmp(fn, fnlen, isofn, isolen)
  */
 
 int
-ucsfncmp(fn, fnlen, ucsfn, ucslen)
-       u_int16_t *fn;
-       int fnlen;
-       u_int16_t *ucsfn;
-       int ucslen;
+ucsfncmp(u_int16_t *fn, int fnlen, u_int16_t *ucsfn, int ucslen)
 {
        int i, j;
        u_int16_t c;
@@ -216,12 +217,8 @@ ucsfncmp(fn, fnlen, ucsfn, ucslen)
  * translate a filename
  */
 void
-isofntrans(infn, infnlen, outfn, outfnlen, original, assoc)
-       u_char *infn, *outfn;
-       int infnlen;
-       u_short *outfnlen;
-       int original;
-       int assoc;
+isofntrans(u_char *infn, int infnlen, u_char *outfn, u_short *outfnlen,
+               int original, int assoc)
 {
        int fnidx = 0;
        
@@ -266,13 +263,8 @@ isofntrans(infn, infnlen, outfn, outfnlen, original, assoc)
  * translate a UCS-2 filename to UTF-8
  */
 void
-ucsfntrans(infn, infnlen, outfn, outfnlen, dir, assoc)
-       u_int16_t *infn;
-       int infnlen;
-       u_char *outfn;
-       u_short *outfnlen;
-       int dir;
-       int assoc;
+ucsfntrans(u_int16_t *infn, int infnlen, u_char *outfn, u_short *outfnlen,
+               int dir, int assoc)
 {
        if (infnlen == 1) {
                strcpy(outfn, "..");
@@ -325,22 +317,19 @@ ucsfntrans(infn, infnlen, outfn, outfnlen, dir, assoc)
  * count the number of children by enumerating the directory
  */
 static int
-isochildcount(vdp, dircnt, filcnt)
-       struct vnode *vdp;
-       int *dircnt;
-       int *filcnt;
+isochildcount(struct vnode *vdp, int *dircnt, int *filcnt)
 {
        struct iso_node *dp;
        struct buf *bp = NULL;
        struct iso_mnt *imp;
        struct iso_directory_record *ep;
-       u_long bmask;
+       uint32_t bmask;
        int error = 0;
        int reclen;
        int dirs, files;
        int blkoffset;
        int logblksize;
-       long diroffset;
+       int32_t diroffset;
 
        dp = VTOI(vdp);
        imp = dp->i_mnt;
@@ -356,14 +345,14 @@ isochildcount(vdp, dircnt, filcnt)
                 */
                if ((diroffset & bmask) == 0) {
                        if (bp != NULL)
-                               brelse(bp);
-                       if ( (error = VOP_BLKATOFF(vdp, SECTOFF(imp, diroffset), NULL, &bp)) )
+                               buf_brelse(bp);
+                       if ( (error = cd9660_blkatoff(vdp, SECTOFF(imp, diroffset), NULL, &bp)) )
                                break;
                        blkoffset = 0;
                }
 
                ep = (struct iso_directory_record *)
-                       ((char *)bp->b_data + blkoffset);
+                       (buf_dataptr(bp) + blkoffset);
 
                reclen = isonum_711(ep->length);
                if (reclen == 0) {
@@ -399,7 +388,7 @@ isochildcount(vdp, dircnt, filcnt)
        }
 
        if (bp)
-               brelse (bp);
+               buf_brelse (bp);
 
        *dircnt = dirs;
        *filcnt = files;
@@ -408,47 +397,33 @@ isochildcount(vdp, dircnt, filcnt)
 }
 
 
-/*
- * There are two ways to qualify for ownership rights on an object:
- *
- * 1. Your UID matches the UID of the vnode
- * 2. You are root
- *
- */
-static int cd9660_owner_rights(uid_t owner, struct iso_mnt *imp, struct ucred *cred, struct proc *p, int invokesuperuserstatus) {
-    return ((cred->cr_uid == owner) ||                                                                                                         /* [1] */
-               (invokesuperuserstatus && (suser(cred, &p->p_acflag) == 0))) ? 0 : EPERM;                       /* [2] */
-}
-
-
-
-static unsigned long DerivePermissionSummary(uid_t owner, gid_t group, mode_t obj_mode, struct iso_mnt *imp, struct ucred *cred, struct proc *p) {
-    register gid_t *gp;
-    unsigned long permissions;
-    int i;
+static uint32_t
+DerivePermissionSummary(uid_t owner, gid_t group, mode_t obj_mode, __unused struct iso_mnt *imp)
+{
+    kauth_cred_t cred = kauth_cred_get();
+    uint32_t permissions;
+    int is_member;
 
      /* User id 0 (root) always gets access. */
-     if (cred->cr_uid == 0) {
+     if (!suser(cred, NULL)) {
          permissions = R_OK | X_OK;
          goto Exit;
      };
 
     /* Otherwise, check the owner. */
-    if (cd9660_owner_rights(owner, imp, cred, p, 0) == 0) {
-        permissions = ((unsigned long)obj_mode & S_IRWXU) >> 6;
+    if (owner == kauth_cred_getuid(cred)) {
+        permissions = ((uint32_t)obj_mode & S_IRWXU) >> 6;
         goto Exit;
     }
 
     /* Otherwise, check the groups. */
-    for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++) {
-        if (group == *gp) {
-            permissions = ((unsigned long)obj_mode & S_IRWXG) >> 3;
+               if (kauth_cred_ismember_gid(cred, group, &is_member) == 0 && is_member) {
+                       permissions = ((uint32_t)obj_mode & S_IRWXG) >> 3;
                        goto Exit;
-        }
-    };
+               }
 
     /* Otherwise, settle for 'others' access. */
-    permissions = (unsigned long)obj_mode & S_IRWXO;
+    permissions = (uint32_t)obj_mode & S_IRWXO;
 
 Exit:
        return permissions & ~W_OK;     /* Write access is always impossible */
@@ -460,6 +435,7 @@ attrcalcsize(struct attrlist *attrlist)
 {
        int size;
        attrgroup_t a;
+       boolean_t is_64_bit = proc_is64bit(current_proc());
        
 #if ((ATTR_CMN_NAME                    | ATTR_CMN_DEVID                        | ATTR_CMN_FSID                         | ATTR_CMN_OBJTYPE              | \
       ATTR_CMN_OBJTAG          | ATTR_CMN_OBJID                        | ATTR_CMN_OBJPERMANENTID       | ATTR_CMN_PAROBJID             | \
@@ -509,55 +485,80 @@ attrcalcsize(struct attrlist *attrlist)
         if (a & ATTR_CMN_OBJPERMANENTID) size += sizeof(fsobj_id_t);
                if (a & ATTR_CMN_PAROBJID) size += sizeof(fsobj_id_t);
                if (a & ATTR_CMN_SCRIPT) size += sizeof(text_encoding_t);
-               if (a & ATTR_CMN_CRTIME) size += sizeof(struct timespec);
-               if (a & ATTR_CMN_MODTIME) size += sizeof(struct timespec);
-               if (a & ATTR_CMN_CHGTIME) size += sizeof(struct timespec);
-               if (a & ATTR_CMN_ACCTIME) size += sizeof(struct timespec);
-               if (a & ATTR_CMN_BKUPTIME) size += sizeof(struct timespec);
+               if (a & ATTR_CMN_CRTIME) {
+            if (is_64_bit) 
+                size += sizeof(struct user_timespec);
+            else 
+                size += sizeof(struct timespec);
+               }
+               if (a & ATTR_CMN_MODTIME) {
+            if (is_64_bit) 
+                size += sizeof(struct user_timespec);
+            else 
+                size += sizeof(struct timespec);
+               }
+               if (a & ATTR_CMN_CHGTIME) {
+            if (is_64_bit) 
+                size += sizeof(struct user_timespec);
+            else 
+                size += sizeof(struct timespec);
+               }
+               if (a & ATTR_CMN_ACCTIME) {
+            if (is_64_bit) 
+                size += sizeof(struct user_timespec);
+            else 
+                size += sizeof(struct timespec);
+               }
+               if (a & ATTR_CMN_BKUPTIME) {
+            if (is_64_bit) 
+                size += sizeof(struct user_timespec);
+            else 
+                size += sizeof(struct timespec);
+               }
                if (a & ATTR_CMN_FNDRINFO) size += 32 * sizeof(u_int8_t);
                if (a & ATTR_CMN_OWNERID) size += sizeof(uid_t);
                if (a & ATTR_CMN_GRPID) size += sizeof(gid_t);
-               if (a & ATTR_CMN_ACCESSMASK) size += sizeof(u_long);
-               if (a & ATTR_CMN_NAMEDATTRCOUNT) size += sizeof(u_long);
+               if (a & ATTR_CMN_ACCESSMASK) size += sizeof(uint32_t);
+               if (a & ATTR_CMN_NAMEDATTRCOUNT) size += sizeof(uint32_t);
                if (a & ATTR_CMN_NAMEDATTRLIST) size += sizeof(struct attrreference);
-               if (a & ATTR_CMN_FLAGS) size += sizeof(u_long);
-               if (a & ATTR_CMN_USERACCESS) size += sizeof(u_long);
+               if (a & ATTR_CMN_FLAGS) size += sizeof(uint32_t);
+               if (a & ATTR_CMN_USERACCESS) size += sizeof(uint32_t);
        };
        if ((a = attrlist->volattr) != 0) {
-               if (a & ATTR_VOL_FSTYPE) size += sizeof(u_long);
-               if (a & ATTR_VOL_SIGNATURE) size += sizeof(u_long);
+               if (a & ATTR_VOL_FSTYPE) size += sizeof(uint32_t);
+               if (a & ATTR_VOL_SIGNATURE) size += sizeof(uint32_t);
                if (a & ATTR_VOL_SIZE) size += sizeof(off_t);
                if (a & ATTR_VOL_SPACEFREE) size += sizeof(off_t);
                if (a & ATTR_VOL_SPACEAVAIL) size += sizeof(off_t);
                if (a & ATTR_VOL_MINALLOCATION) size += sizeof(off_t);
                if (a & ATTR_VOL_ALLOCATIONCLUMP) size += sizeof(off_t);
-               if (a & ATTR_VOL_IOBLOCKSIZE) size += sizeof(size_t);
-               if (a & ATTR_VOL_OBJCOUNT) size += sizeof(u_long);
-               if (a & ATTR_VOL_FILECOUNT) size += sizeof(u_long);
-               if (a & ATTR_VOL_DIRCOUNT) size += sizeof(u_long);
-               if (a & ATTR_VOL_MAXOBJCOUNT) size += sizeof(u_long);
+               if (a & ATTR_VOL_IOBLOCKSIZE) size += sizeof(uint32_t);
+               if (a & ATTR_VOL_OBJCOUNT) size += sizeof(uint32_t);
+               if (a & ATTR_VOL_FILECOUNT) size += sizeof(uint32_t);
+               if (a & ATTR_VOL_DIRCOUNT) size += sizeof(uint32_t);
+               if (a & ATTR_VOL_MAXOBJCOUNT) size += sizeof(uint32_t);
                if (a & ATTR_VOL_MOUNTPOINT) size += sizeof(struct attrreference);
         if (a & ATTR_VOL_NAME) size += sizeof(struct attrreference);
-        if (a & ATTR_VOL_MOUNTFLAGS) size += sizeof(u_long);
+               if (a & ATTR_VOL_MOUNTFLAGS) size += sizeof(uint32_t);
         if (a & ATTR_VOL_MOUNTEDDEVICE) size += sizeof(struct attrreference);
         if (a & ATTR_VOL_ENCODINGSUSED) size += sizeof(unsigned long long);
         if (a & ATTR_VOL_CAPABILITIES) size += sizeof(vol_capabilities_attr_t);
         if (a & ATTR_VOL_ATTRIBUTES) size += sizeof(vol_attributes_attr_t);
        };
        if ((a = attrlist->dirattr) != 0) {
-               if (a & ATTR_DIR_LINKCOUNT) size += sizeof(u_long);
-               if (a & ATTR_DIR_ENTRYCOUNT) size += sizeof(u_long);
-               if (a & ATTR_DIR_MOUNTSTATUS) size += sizeof(u_long);
+               if (a & ATTR_DIR_LINKCOUNT) size += sizeof(uint32_t);
+               if (a & ATTR_DIR_ENTRYCOUNT) size += sizeof(uint32_t);
+               if (a & ATTR_DIR_MOUNTSTATUS) size += sizeof(uint32_t);
        };
        if ((a = attrlist->fileattr) != 0) {
-               if (a & ATTR_FILE_LINKCOUNT) size += sizeof(u_long);
+               if (a & ATTR_FILE_LINKCOUNT) size += sizeof(uint32_t);
                if (a & ATTR_FILE_TOTALSIZE) size += sizeof(off_t);
                if (a & ATTR_FILE_ALLOCSIZE) size += sizeof(off_t);
-               if (a & ATTR_FILE_IOBLOCKSIZE) size += sizeof(size_t);
-               if (a & ATTR_FILE_CLUMPSIZE) size += sizeof(off_t);
-               if (a & ATTR_FILE_DEVTYPE) size += sizeof(u_long);
-               if (a & ATTR_FILE_FILETYPE) size += sizeof(u_long);
-               if (a & ATTR_FILE_FORKCOUNT) size += sizeof(u_long);
+               if (a & ATTR_FILE_IOBLOCKSIZE) size += sizeof(uint32_t);
+               if (a & ATTR_FILE_CLUMPSIZE) size += sizeof(uint32_t);
+               if (a & ATTR_FILE_DEVTYPE) size += sizeof(uint32_t);
+               if (a & ATTR_FILE_FILETYPE) size += sizeof(uint32_t);
+               if (a & ATTR_FILE_FORKCOUNT) size += sizeof(uint32_t);
                if (a & ATTR_FILE_FORKLIST) size += sizeof(struct attrreference);
                if (a & ATTR_FILE_DATALENGTH) size += sizeof(off_t);
                if (a & ATTR_FILE_DATAALLOCSIZE) size += sizeof(off_t);
@@ -576,7 +577,7 @@ attrcalcsize(struct attrlist *attrlist)
 
 
 
-void
+static void
 packvolattr (struct attrlist *alist,
                         struct iso_node *ip,   /* ip for root directory */
                         void **attrbufptrptr,
@@ -587,7 +588,8 @@ packvolattr (struct attrlist *alist,
        struct iso_mnt *imp;
        struct mount *mp;
        attrgroup_t a;
-       u_long attrlength;
+       uint32_t attrlength;
+       boolean_t is_64_bit = proc_is64bit(current_proc());
        
        attrbufptr = *attrbufptrptr;
        varbufptr = *varbufptrptr;
@@ -605,8 +607,8 @@ packvolattr (struct attrlist *alist,
             (u_int8_t *)varbufptr += attrlength + ((4 - (attrlength & 3)) & 3);
             ++((struct attrreference *)attrbufptr);
         };
-               if (a & ATTR_CMN_DEVID) *((dev_t *)attrbufptr)++ = imp->im_devvp->v_rdev;
-               if (a & ATTR_CMN_FSID) *((fsid_t *)attrbufptr)++ = ITOV(ip)->v_mount->mnt_stat.f_fsid;
+               if (a & ATTR_CMN_DEVID) *((dev_t *)attrbufptr)++ = vnode_specrdev(imp->im_devvp);
+               if (a & ATTR_CMN_FSID) *((fsid_t *)attrbufptr)++ = vfs_statfs(vnode_mount(ITOV(ip)))->f_fsid;
                if (a & ATTR_CMN_OBJTYPE) *((fsobj_type_t *)attrbufptr)++ = 0;
                if (a & ATTR_CMN_OBJTAG) *((fsobj_tag_t *)attrbufptr)++ = VT_ISOFS;
                if (a & ATTR_CMN_OBJID) {
@@ -625,10 +627,46 @@ packvolattr (struct attrlist *alist,
                        ++((fsobj_id_t *)attrbufptr);
                };
         if (a & ATTR_CMN_SCRIPT) *((text_encoding_t *)attrbufptr)++ = 0;
-               if (a & ATTR_CMN_CRTIME) *((struct timespec *)attrbufptr)++ = imp->creation_date;
-               if (a & ATTR_CMN_MODTIME) *((struct timespec *)attrbufptr)++ = imp->modification_date;
-               if (a & ATTR_CMN_CHGTIME) *((struct timespec *)attrbufptr)++ = imp->modification_date;
-               if (a & ATTR_CMN_ACCTIME) *((struct timespec *)attrbufptr)++ = imp->modification_date;
+               if (a & ATTR_CMN_CRTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) imp->creation_date.tv_sec;
+                       tmpp->tv_nsec = imp->creation_date.tv_nsec;
+                   }
+                   else {
+                       *((struct timespec *)attrbufptr)++ = imp->creation_date;
+                   }
+               }
+               if (a & ATTR_CMN_MODTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) imp->modification_date.tv_sec;
+                       tmpp->tv_nsec = imp->modification_date.tv_nsec;
+                   }
+                   else {
+                       *((struct timespec *)attrbufptr)++ = imp->modification_date;
+                   }
+               }
+               if (a & ATTR_CMN_CHGTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) imp->modification_date.tv_sec;
+                       tmpp->tv_nsec = imp->modification_date.tv_nsec;
+                   }
+                   else {
+                       *((struct timespec *)attrbufptr)++ = imp->modification_date;
+                   }
+               }
+               if (a & ATTR_CMN_ACCTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) imp->modification_date.tv_sec;
+                       tmpp->tv_nsec = imp->modification_date.tv_nsec;
+                   }
+                   else {
+                       *((struct timespec *)attrbufptr)++ = imp->modification_date;
+                   }
+               }
                if (a & ATTR_CMN_BKUPTIME) {
                        ((struct timespec *)attrbufptr)->tv_sec = 0;
                        ((struct timespec *)attrbufptr)->tv_nsec = 0;
@@ -640,34 +678,32 @@ packvolattr (struct attrlist *alist,
                };
                if (a & ATTR_CMN_OWNERID) *((uid_t *)attrbufptr)++ = ip->inode.iso_uid;
                if (a & ATTR_CMN_GRPID) *((gid_t *)attrbufptr)++ = ip->inode.iso_gid;
-               if (a & ATTR_CMN_ACCESSMASK) *((u_long *)attrbufptr)++ = (u_long)ip->inode.iso_mode;
-               if (a & ATTR_CMN_FLAGS) *((u_long *)attrbufptr)++ = 0;
+               if (a & ATTR_CMN_ACCESSMASK) *((uint32_t *)attrbufptr)++ = (uint32_t)ip->inode.iso_mode;
+               if (a & ATTR_CMN_FLAGS) *((uint32_t *)attrbufptr)++ = 0;
                if (a & ATTR_CMN_USERACCESS) {
-                       *((u_long *)attrbufptr)++ =
+                       *((uint32_t *)attrbufptr)++ =
                                DerivePermissionSummary(ip->inode.iso_uid,
                                                                                ip->inode.iso_gid,
                                                                                ip->inode.iso_mode,
-                                                                               imp,
-                                                                               current_proc()->p_ucred,
-                                                                               current_proc());
+                                                                               imp);
                };
        };
        
        if ((a = alist->volattr) != 0) {
                off_t blocksize = (off_t)imp->logical_block_size;
 
-               if (a & ATTR_VOL_FSTYPE) *((u_long *)attrbufptr)++ = (u_long)imp->im_mountp->mnt_vfc->vfc_typenum;
-               if (a & ATTR_VOL_SIGNATURE) *((u_long *)attrbufptr)++ = (u_long)ISO9660SIGNATURE;
+               if (a & ATTR_VOL_FSTYPE) *((uint32_t *)attrbufptr)++ = (uint32_t)vfs_typenum(mp);
+               if (a & ATTR_VOL_SIGNATURE) *((uint32_t *)attrbufptr)++ = (uint32_t)ISO9660SIGNATURE;
         if (a & ATTR_VOL_SIZE) *((off_t *)attrbufptr)++ = (off_t)imp->volume_space_size * blocksize;
         if (a & ATTR_VOL_SPACEFREE) *((off_t *)attrbufptr)++ = 0;
         if (a & ATTR_VOL_SPACEAVAIL) *((off_t *)attrbufptr)++ = 0;
         if (a & ATTR_VOL_MINALLOCATION) *((off_t *)attrbufptr)++ = blocksize;
                if (a & ATTR_VOL_ALLOCATIONCLUMP) *((off_t *)attrbufptr)++ = blocksize;
-        if (a & ATTR_VOL_IOBLOCKSIZE) *((size_t *)attrbufptr)++ = blocksize;
-               if (a & ATTR_VOL_OBJCOUNT) *((u_long *)attrbufptr)++ = 0;
-               if (a & ATTR_VOL_FILECOUNT) *((u_long *)attrbufptr)++ = 0;
-               if (a & ATTR_VOL_DIRCOUNT) *((u_long *)attrbufptr)++ = 0;
-               if (a & ATTR_VOL_MAXOBJCOUNT) *((u_long *)attrbufptr)++ = 0xFFFFFFFF;
+        if (a & ATTR_VOL_IOBLOCKSIZE) *((uint32_t *)attrbufptr)++ = (uint32_t)blocksize;
+               if (a & ATTR_VOL_OBJCOUNT) *((uint32_t *)attrbufptr)++ = 0;
+               if (a & ATTR_VOL_FILECOUNT) *((uint32_t *)attrbufptr)++ = 0;
+               if (a & ATTR_VOL_DIRCOUNT) *((uint32_t *)attrbufptr)++ = 0;
+               if (a & ATTR_VOL_MAXOBJCOUNT) *((uint32_t *)attrbufptr)++ = 0xFFFFFFFF;
         if (a & ATTR_VOL_NAME) {
             attrlength = strlen( imp->volume_id ) + 1;
             ((struct attrreference *)attrbufptr)->attr_dataoffset = (u_int8_t *)varbufptr - (u_int8_t *)attrbufptr;
@@ -678,13 +714,15 @@ packvolattr (struct attrlist *alist,
             (u_int8_t *)varbufptr += attrlength + ((4 - (attrlength & 3)) & 3);
             ++((struct attrreference *)attrbufptr);
         };
-               if (a & ATTR_VOL_MOUNTFLAGS) *((u_long *)attrbufptr)++ = (u_long)imp->im_mountp->mnt_flag;
+               if (a & ATTR_VOL_MOUNTFLAGS) {
+                   *((uint32_t *)attrbufptr)++ = (uint32_t)vfs_flags(mp);
+               }
         if (a & ATTR_VOL_MOUNTEDDEVICE) {
             ((struct attrreference *)attrbufptr)->attr_dataoffset = (u_int8_t *)varbufptr - (u_int8_t *)attrbufptr;
-            ((struct attrreference *)attrbufptr)->attr_length = strlen(mp->mnt_stat.f_mntfromname) + 1;
+            ((struct attrreference *)attrbufptr)->attr_length = strlen(vfs_statfs(mp)->f_mntfromname) + 1;
                        attrlength = ((struct attrreference *)attrbufptr)->attr_length;
                        attrlength = attrlength + ((4 - (attrlength & 3)) & 3);         /* round up to the next 4-byte boundary: */
-                       (void) bcopy(mp->mnt_stat.f_mntfromname, varbufptr, attrlength);
+                       (void) bcopy(vfs_statfs(mp)->f_mntfromname, varbufptr, attrlength);
                        
                        /* Advance beyond the space just allocated: */
             (u_int8_t *)varbufptr += attrlength;
@@ -716,7 +754,8 @@ packvolattr (struct attrlist *alist,
                                        VOL_CAP_FMT_ZERO_RUNS |
                                        VOL_CAP_FMT_CASE_SENSITIVE |
                                        VOL_CAP_FMT_CASE_PRESERVING |
-                                       VOL_CAP_FMT_FAST_STATFS;
+                                       VOL_CAP_FMT_FAST_STATFS | 
+                                       VOL_CAP_FMT_2TB_FILESIZE;
                ((vol_capabilities_attr_t *)attrbufptr)->valid[VOL_CAPABILITIES_INTERFACES] =
                                VOL_CAP_INT_SEARCHFS |
                                VOL_CAP_INT_ATTRLIST |
@@ -764,7 +803,8 @@ packcommonattr (struct attrlist *alist,
        void *attrbufptr;
        void *varbufptr;
        attrgroup_t a;
-       u_long attrlength;
+       uint32_t attrlength;
+       boolean_t is_64_bit = proc_is64bit(current_proc());
        
        attrbufptr = *attrbufptrptr;
        varbufptr = *varbufptrptr;
@@ -774,7 +814,7 @@ packcommonattr (struct attrlist *alist,
 
         if (a & ATTR_CMN_NAME) {
                        /* special case root since we know how to get it's name */
-                       if (ITOV(ip)->v_flag & VROOT) {
+                       if (vnode_isvroot(ITOV(ip))) {
                                attrlength = strlen( imp->volume_id ) + 1;
                                (void) strncpy((unsigned char *)varbufptr, imp->volume_id, attrlength);
                } else {
@@ -789,11 +829,11 @@ packcommonattr (struct attrlist *alist,
             ++((struct attrreference *)attrbufptr);
         };
                if (a & ATTR_CMN_DEVID) *((dev_t *)attrbufptr)++ = ip->i_dev;
-               if (a & ATTR_CMN_FSID) *((fsid_t *)attrbufptr)++ = ITOV(ip)->v_mount->mnt_stat.f_fsid;
-               if (a & ATTR_CMN_OBJTYPE) *((fsobj_type_t *)attrbufptr)++ = ITOV(ip)->v_type;
-               if (a & ATTR_CMN_OBJTAG) *((fsobj_tag_t *)attrbufptr)++ = ITOV(ip)->v_tag;
+               if (a & ATTR_CMN_FSID) *((fsid_t *)attrbufptr)++ = vfs_statfs(vnode_mount(ITOV(ip)))->f_fsid;
+               if (a & ATTR_CMN_OBJTYPE) *((fsobj_type_t *)attrbufptr)++ = vnode_vtype(ITOV(ip));
+               if (a & ATTR_CMN_OBJTAG) *((fsobj_tag_t *)attrbufptr)++ = vnode_tag(ITOV(ip));
         if (a & ATTR_CMN_OBJID)        {
-                       if (ITOV(ip)->v_flag & VROOT)
+                       if (vnode_isvroot(ITOV(ip)))
                                ((fsobj_id_t *)attrbufptr)->fid_objno = 2;      /* force root to be 2 */
                        else
                ((fsobj_id_t *)attrbufptr)->fid_objno = ip->i_number;
@@ -801,7 +841,7 @@ packcommonattr (struct attrlist *alist,
                        ++((fsobj_id_t *)attrbufptr);
                };
         if (a & ATTR_CMN_OBJPERMANENTID)       {
-                       if (ITOV(ip)->v_flag & VROOT)
+                       if (vnode_isvroot(ITOV(ip)))
                                ((fsobj_id_t *)attrbufptr)->fid_objno = 2;      /* force root to be 2 */
                        else
                ((fsobj_id_t *)attrbufptr)->fid_objno = ip->i_number;
@@ -822,22 +862,67 @@ packcommonattr (struct attrlist *alist,
                        ++((fsobj_id_t *)attrbufptr);
                };
         if (a & ATTR_CMN_SCRIPT) *((text_encoding_t *)attrbufptr)++ = 0;
-               if (a & ATTR_CMN_CRTIME) *((struct timespec *)attrbufptr)++ = ip->inode.iso_mtime;
-               if (a & ATTR_CMN_MODTIME) *((struct timespec *)attrbufptr)++ = ip->inode.iso_mtime;
-               if (a & ATTR_CMN_CHGTIME) *((struct timespec *)attrbufptr)++ = ip->inode.iso_ctime;
-               if (a & ATTR_CMN_ACCTIME) *((struct timespec *)attrbufptr)++ = ip->inode.iso_atime;
+               if (a & ATTR_CMN_CRTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) ip->inode.iso_mtime.tv_sec;
+                       tmpp->tv_nsec = ip->inode.iso_mtime.tv_nsec;
+                   }
+                   else {
+                *((struct timespec *)attrbufptr)++ = ip->inode.iso_mtime;
+                   }
+               }
+               if (a & ATTR_CMN_MODTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) ip->inode.iso_mtime.tv_sec;
+                       tmpp->tv_nsec = ip->inode.iso_mtime.tv_nsec;
+                   }
+                   else {
+                *((struct timespec *)attrbufptr)++ = ip->inode.iso_mtime;
+                   }
+               }
+               if (a & ATTR_CMN_CHGTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) ip->inode.iso_ctime.tv_sec;
+                       tmpp->tv_nsec = ip->inode.iso_ctime.tv_nsec;
+                   }
+                   else {
+                *((struct timespec *)attrbufptr)++ = ip->inode.iso_ctime;
+                   }
+               }
+               if (a & ATTR_CMN_ACCTIME) {
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) ip->inode.iso_atime.tv_sec;
+                       tmpp->tv_nsec = ip->inode.iso_atime.tv_nsec;
+                   }
+                   else {
+                *((struct timespec *)attrbufptr)++ = ip->inode.iso_atime;
+                   }
+               }
                if (a & ATTR_CMN_BKUPTIME) {
-                       ((struct timespec *)attrbufptr)->tv_sec = 0;
-                       ((struct timespec *)attrbufptr)->tv_nsec = 0;
-                       ++((struct timespec *)attrbufptr);
-               };
+                   if (is_64_bit) {
+                       struct user_timespec *tmpp = ((struct user_timespec *)attrbufptr)++;
+                       tmpp->tv_sec = (user_time_t) 0;
+                       tmpp->tv_nsec = 0;
+                   }
+                   else {
+                ((struct timespec *)attrbufptr)->tv_sec = 0;
+                ((struct timespec *)attrbufptr)->tv_nsec = 0;
+                ++((struct timespec *)attrbufptr);
+                    *((struct timespec *)attrbufptr)++ = ip->inode.iso_atime;
+                   }
+               }
                if (a & ATTR_CMN_FNDRINFO) {
-                       struct finder_info finfo = {0};
+                       struct finder_info finfo;
 
+                       bzero(&finfo, sizeof(finfo));
                        finfo.fdFlags = ip->i_FinderFlags;
                        finfo.fdLocation.v = -1;
                        finfo.fdLocation.h = -1;
-                       if (ITOV(ip)->v_type == VREG) {
+                       if (vnode_isreg(ITOV(ip))) {
                                finfo.fdType = ip->i_FileType;
                                finfo.fdCreator = ip->i_Creator;
                        }
@@ -848,16 +933,14 @@ packcommonattr (struct attrlist *alist,
                };
                if (a & ATTR_CMN_OWNERID) *((uid_t *)attrbufptr)++ = ip->inode.iso_uid;
                if (a & ATTR_CMN_GRPID) *((gid_t *)attrbufptr)++ = ip->inode.iso_gid;
-               if (a & ATTR_CMN_ACCESSMASK) *((u_long *)attrbufptr)++ = (u_long)ip->inode.iso_mode;
-               if (a & ATTR_CMN_FLAGS) *((u_long *)attrbufptr)++ = 0; /* could also use ip->i_flag */
+               if (a & ATTR_CMN_ACCESSMASK) *((uint32_t *)attrbufptr)++ = (uint32_t)ip->inode.iso_mode;
+               if (a & ATTR_CMN_FLAGS) *((uint32_t *)attrbufptr)++ = 0; /* could also use ip->i_flag */
                if (a & ATTR_CMN_USERACCESS) {
-                       *((u_long *)attrbufptr)++ =
+                       *((uint32_t *)attrbufptr)++ =
                                DerivePermissionSummary(ip->inode.iso_uid,
                                                                                ip->inode.iso_gid,
                                                                                ip->inode.iso_mode,
-                                                                               imp,
-                                                                               current_proc()->p_ucred,
-                                                                               current_proc());
+                                                                               imp);
                };
        };
        
@@ -870,7 +953,7 @@ void
 packdirattr(struct attrlist *alist,
                        struct iso_node *ip,
                        void **attrbufptrptr,
-                       void **varbufptrptr)
+                       __unused void **varbufptrptr)
 {
     void *attrbufptr;
     attrgroup_t a;
@@ -880,7 +963,7 @@ packdirattr(struct attrlist *alist,
        filcnt = dircnt = 0;
        
        a = alist->dirattr;
-       if ((ITOV(ip)->v_type == VDIR) && (a != 0)) {
+       if (vnode_isdir(ITOV(ip)) && (a != 0)) {
                /*
                 * if we haven't counted our children yet, do it now...
                 */
@@ -895,17 +978,17 @@ packdirattr(struct attrlist *alist,
                }
 
                if (a & ATTR_DIR_LINKCOUNT) {
-                       *((u_long *)attrbufptr)++ = ip->inode.iso_links;
+                       *((uint32_t *)attrbufptr)++ = ip->inode.iso_links;
                }
                if (a & ATTR_DIR_ENTRYCOUNT) {
                        /* exclude '.' and '..' from total caount */
-                       *((u_long *)attrbufptr)++ = ((ip->i_entries <= 2) ? 0 : (ip->i_entries - 2));
+                       *((uint32_t *)attrbufptr)++ = ((ip->i_entries <= 2) ? 0 : (ip->i_entries - 2));
                }
                if (a & ATTR_DIR_MOUNTSTATUS) {
-                       if (ITOV(ip)->v_mountedhere) {
-                               *((u_long *)attrbufptr)++ = DIR_MNTSTATUS_MNTPOINT;
+                       if (vnode_mountedhere(ITOV(ip))) {
+                               *((uint32_t *)attrbufptr)++ = DIR_MNTSTATUS_MNTPOINT;
                        } else {
-                               *((u_long *)attrbufptr)++ = 0;
+                               *((uint32_t *)attrbufptr)++ = 0;
                        };
                };
        };
@@ -924,19 +1007,19 @@ packfileattr(struct attrlist *alist,
     void *varbufptr = *varbufptrptr;
     attrgroup_t a = alist->fileattr;
        
-       if ((ITOV(ip)->v_type == VREG) && (a != 0)) {
+       if (vnode_isreg(ITOV(ip)) && (a != 0)) {
                if (a & ATTR_FILE_LINKCOUNT)
-                       *((u_long *)attrbufptr)++ = ip->inode.iso_links;
+                       *((uint32_t *)attrbufptr)++ = ip->inode.iso_links;
                if (a & ATTR_FILE_TOTALSIZE)
                        *((off_t *)attrbufptr)++ = (off_t)ip->i_size;
                if (a & ATTR_FILE_ALLOCSIZE)
                        *((off_t *)attrbufptr)++ = (off_t)ip->i_size;
                if (a & ATTR_FILE_IOBLOCKSIZE)
-                       *((u_long *)attrbufptr)++ = ip->i_mnt->logical_block_size;
+                       *((uint32_t *)attrbufptr)++ = ip->i_mnt->logical_block_size;
                if (a & ATTR_FILE_CLUMPSIZE)
-                       *((u_long *)attrbufptr)++ = ip->i_mnt->logical_block_size;
+                       *((uint32_t *)attrbufptr)++ = ip->i_mnt->logical_block_size;
                if (a & ATTR_FILE_DEVTYPE)
-                       *((u_long *)attrbufptr)++ = (u_long)ip->inode.iso_rdev;
+                       *((uint32_t *)attrbufptr)++ = (uint32_t)ip->inode.iso_rdev;
                if (a & ATTR_FILE_DATALENGTH)
                        *((off_t *)attrbufptr)++ = (off_t)ip->i_size;
                if (a & ATTR_FILE_DATAALLOCSIZE)
@@ -965,7 +1048,7 @@ packattrblk(struct attrlist *alist,
        } else {
                packcommonattr(alist, ip, attrbufptrptr, varbufptrptr);
                
-               switch (ITOV(ip)->v_type) {
+               switch (vnode_vtype(ITOV(ip))) {
                  case VDIR:
                        packdirattr(alist, ip, attrbufptrptr, varbufptrptr);
                        break;