/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ *
+ * 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
* 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 $ */
#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 */
#include <sys/dir.h>
#include <sys/attr.h>
#include <kern/assert.h>
-#include <architecture/byte_order.h>
#include <isofs/cd9660/iso.h>
#include <isofs/cd9660/cd9660_node.h>
#include <isofs/cd9660/iso_rrip.h>
+#include <libkern/OSByteOrder.h>
+
/*
* translate and compare a filename
* 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;
/*
* translate and compare a UCS-2 filename
* Note: Version number plus ';' may be omitted.
+ *
+ * The name pointed to by "fn" is the search name, whose characters are
+ * in native endian order. The name "ucsfn" is the on-disk name, whose
+ * characters are in big endian order.
*/
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;
while (--fnlen >= 0) {
if (--ucslen < 0)
return *fn;
- if ((c = *ucsfn++) == UCS_SEPARATOR2) {
+ if ((c = OSSwapBigToHostInt16(*ucsfn++)) == UCS_SEPARATOR2) {
switch (*fn++) {
default:
return *--fn;
return -1;
}
}
- for (j = 0; --ucslen >= 0; j = j * 10 + *ucsfn++ - '0');
+ for (j = 0; --ucslen >= 0; j = j * 10 + OSSwapBigToHostInt16(*ucsfn++) - '0');
return i - j;
}
if (c != *fn)
switch (*ucsfn) {
default:
return -1;
- case UCS_SEPARATOR1:
- if (ucsfn[1] != UCS_SEPARATOR2)
+ case OSSwapHostToBigConstInt16(UCS_SEPARATOR1):
+ if (ucsfn[1] != OSSwapHostToBigConstInt16(UCS_SEPARATOR2))
return -1;
- case UCS_SEPARATOR2:
+ case OSSwapHostToBigConstInt16(UCS_SEPARATOR2):
return 0;
}
}
* translate a filename
*/
void
-isofntrans(infn, infnlen, outfn, outfnlen, original)
- u_char *infn, *outfn;
- int infnlen;
- u_short *outfnlen;
- int original;
+isofntrans(u_char *infn, int infnlen, u_char *outfn, u_short *outfnlen,
+ int original, int assoc)
{
int fnidx = 0;
+ /*
+ * Add a "._" prefix for associated files
+ */
+ if (assoc) {
+ *outfn++ = ASSOCCHAR1;
+ *outfn++ = ASSOCCHAR2;
+ fnidx += 2;
+ infnlen +=2;
+ }
for (; fnidx < infnlen; fnidx++) {
char c = *infn++;
* translate a UCS-2 filename to UTF-8
*/
void
-ucsfntrans(infn, infnlen, outfn, outfnlen, dir)
- u_int16_t *infn;
- int infnlen;
- u_char *outfn;
- u_short *outfnlen;
- int dir;
+ucsfntrans(u_int16_t *infn, int infnlen, u_char *outfn, u_short *outfnlen,
+ int dir, int assoc)
{
if (infnlen == 1) {
strcpy(outfn, "..");
fnidx = infnlen/2;
flags = 0;
+ /*
+ * Add a "._" prefix for associated files
+ */
+ if (assoc) {
+ *outfn++ = ASSOCCHAR1;
+ *outfn++ = ASSOCCHAR2;
+ }
if (!dir) {
/* strip file version number */
for (fnidx--; fnidx > 0; fnidx--) {
/* stop when ';' is found */
- if (infn[fnidx] == UCS_SEPARATOR2) {
+ if (infn[fnidx] == OSSwapHostToBigConstInt16(UCS_SEPARATOR2)) {
/* drop dangling dot */
- if (fnidx > 0 && infn[fnidx-1] == UCS_SEPARATOR1)
+ if (fnidx > 0 && infn[fnidx-1] == OSSwapHostToBigConstInt16(UCS_SEPARATOR1))
fnidx--;
break;
}
fnidx = infnlen/2;
}
- flags = UTF_NO_NULL_TERM | UTF_DECOMPOSED;
- if (BYTE_ORDER != BIG_ENDIAN)
- flags |= UTF_REVERSE_ENDIAN;
+ flags = UTF_NO_NULL_TERM | UTF_DECOMPOSED | UTF_BIG_ENDIAN;
(void) utf8_encodestr(infn, fnidx * 2, outfn, &outbytes, ISO_JOLIET_NAMEMAX, 0, flags);
- *outfnlen = outbytes;
+ *outfnlen = assoc ? outbytes + 2 : outbytes;
}
}
* 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);
- bmask = dp->i_mnt->im_bmask;
- logblksize = dp->i_mnt->logical_block_size;
+ imp = dp->i_mnt;
+ bmask = imp->im_sector_size - 1;
+ logblksize = imp->im_sector_size;
blkoffset = diroffset = 0;
dirs = files = 0;
*/
if ((diroffset & bmask) == 0) {
if (bp != NULL)
- brelse(bp);
- if ( (error = VOP_BLKATOFF(vdp, 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) {
break;
}
+ /*
+ * Some poorly mastered discs have an incorrect directory
+ * file size. If the '.' entry has a better size (bigger)
+ * then use that instead.
+ */
+ if ((diroffset == 0) && (isonum_733(ep->size) > dp->i_size)) {
+ dp->i_size = isonum_733(ep->size);
+ }
+
if ( isonum_711(ep->flags) & directoryBit )
dirs++;
else if ((isonum_711(ep->flags) & associatedBit) == 0)
}
if (bp)
- brelse (bp);
+ buf_brelse (bp);
*dircnt = dirs;
*filcnt = files;
}
-/*
- * 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 */
}
-
-
-int
-attrcalcsize(struct attrlist *attrlist)
-{
- int size;
- attrgroup_t a;
-
-#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 | \
- ATTR_CMN_SCRIPT | ATTR_CMN_CRTIME | ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | \
- ATTR_CMN_ACCTIME | ATTR_CMN_BKUPTIME | ATTR_CMN_FNDRINFO | ATTR_CMN_OWNERID | \
- ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK | ATTR_CMN_NAMEDATTRCOUNT | ATTR_CMN_NAMEDATTRLIST| \
- ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS) != ATTR_CMN_VALIDMASK)
-#error AttributeBlockSize: Missing bits in common mask computation!
-#endif
- assert((attrlist->commonattr & ~ATTR_CMN_VALIDMASK) == 0);
-
-#if ((ATTR_VOL_FSTYPE | ATTR_VOL_SIGNATURE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE | \
- ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION | ATTR_VOL_ALLOCATIONCLUMP | ATTR_VOL_IOBLOCKSIZE | \
- ATTR_VOL_OBJCOUNT | ATTR_VOL_FILECOUNT | ATTR_VOL_DIRCOUNT | ATTR_VOL_MAXOBJCOUNT | \
- ATTR_VOL_MOUNTPOINT | ATTR_VOL_NAME | ATTR_VOL_MOUNTFLAGS | ATTR_VOL_INFO | \
- ATTR_VOL_MOUNTEDDEVICE| ATTR_VOL_ENCODINGSUSED | ATTR_VOL_CAPABILITIES | ATTR_VOL_ATTRIBUTES) != ATTR_VOL_VALIDMASK)
-#error AttributeBlockSize: Missing bits in volume mask computation!
-#endif
- assert((attrlist->volattr & ~ATTR_VOL_VALIDMASK) == 0);
-
-#if ((ATTR_DIR_LINKCOUNT | ATTR_DIR_ENTRYCOUNT | ATTR_DIR_MOUNTSTATUS) != ATTR_DIR_VALIDMASK)
-#error AttributeBlockSize: Missing bits in directory mask computation!
-#endif
- assert((attrlist->dirattr & ~ATTR_DIR_VALIDMASK) == 0);
-#if ((ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | ATTR_FILE_ALLOCSIZE | ATTR_FILE_IOBLOCKSIZE | \
- ATTR_FILE_CLUMPSIZE | ATTR_FILE_DEVTYPE | ATTR_FILE_FILETYPE | ATTR_FILE_FORKCOUNT | \
- ATTR_FILE_FORKLIST | ATTR_FILE_DATALENGTH | ATTR_FILE_DATAALLOCSIZE | ATTR_FILE_DATAEXTENTS | \
- ATTR_FILE_RSRCLENGTH | ATTR_FILE_RSRCALLOCSIZE | ATTR_FILE_RSRCEXTENTS) != ATTR_FILE_VALIDMASK)
-#error AttributeBlockSize: Missing bits in file mask computation!
-#endif
- assert((attrlist->fileattr & ~ATTR_FILE_VALIDMASK) == 0);
-
-#if ((ATTR_FORK_TOTALSIZE | ATTR_FORK_ALLOCSIZE) != ATTR_FORK_VALIDMASK)
-#error AttributeBlockSize: Missing bits in fork mask computation!
-#endif
- assert((attrlist->forkattr & ~ATTR_FORK_VALIDMASK) == 0);
-
- size = 0;
-
- if ((a = attrlist->commonattr) != 0) {
- if (a & ATTR_CMN_NAME) size += sizeof(struct attrreference);
- if (a & ATTR_CMN_DEVID) size += sizeof(dev_t);
- if (a & ATTR_CMN_FSID) size += sizeof(fsid_t);
- if (a & ATTR_CMN_OBJTYPE) size += sizeof(fsobj_type_t);
- if (a & ATTR_CMN_OBJTAG) size += sizeof(fsobj_tag_t);
- if (a & ATTR_CMN_OBJID) size += sizeof(fsobj_id_t);
- 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_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_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 = 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_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_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_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 = attrlist->fileattr) != 0) {
- if (a & ATTR_FILE_LINKCOUNT) size += sizeof(u_long);
- 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_FORKLIST) size += sizeof(struct attrreference);
- if (a & ATTR_FILE_DATALENGTH) size += sizeof(off_t);
- if (a & ATTR_FILE_DATAALLOCSIZE) size += sizeof(off_t);
- if (a & ATTR_FILE_DATAEXTENTS) size += sizeof(extentrecord);
- if (a & ATTR_FILE_RSRCLENGTH) size += sizeof(off_t);
- if (a & ATTR_FILE_RSRCALLOCSIZE) size += sizeof(off_t);
- if (a & ATTR_FILE_RSRCEXTENTS) size += sizeof(extentrecord);
- };
- if ((a = attrlist->forkattr) != 0) {
- if (a & ATTR_FORK_TOTALSIZE) size += sizeof(off_t);
- if (a & ATTR_FORK_ALLOCSIZE) size += sizeof(off_t);
- };
-
- return size;
-}
-
-
-
-void
-packvolattr (struct attrlist *alist,
- struct iso_node *ip, /* ip for root directory */
- void **attrbufptrptr,
- void **varbufptrptr)
-{
- void *attrbufptr;
- void *varbufptr;
- struct iso_mnt *imp;
- struct mount *mp;
- attrgroup_t a;
- u_long attrlength;
-
- attrbufptr = *attrbufptrptr;
- varbufptr = *varbufptrptr;
- imp = ip->i_mnt;
- mp = imp->im_mountp;
-
- if ((a = alist->commonattr) != 0) {
- if (a & ATTR_CMN_NAME) {
- attrlength = strlen( imp->volume_id ) + 1;
- ((struct attrreference *)attrbufptr)->attr_dataoffset = (u_int8_t *)varbufptr - (u_int8_t *)attrbufptr;
- ((struct attrreference *)attrbufptr)->attr_length = attrlength;
- (void) strncpy((unsigned char *)varbufptr, imp->volume_id, attrlength);
-
- /* Advance beyond the space just allocated and round up to the next 4-byte boundary: */
- (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_OBJTYPE) *((fsobj_type_t *)attrbufptr)++ = 0;
- if (a & ATTR_CMN_OBJTAG) *((fsobj_tag_t *)attrbufptr)++ = VT_ISOFS;
- if (a & ATTR_CMN_OBJID) {
- ((fsobj_id_t *)attrbufptr)->fid_objno = 0;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((fsobj_id_t *)attrbufptr);
- };
- if (a & ATTR_CMN_OBJPERMANENTID) {
- ((fsobj_id_t *)attrbufptr)->fid_objno = 0;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((fsobj_id_t *)attrbufptr);
- };
- if (a & ATTR_CMN_PAROBJID) {
- ((fsobj_id_t *)attrbufptr)->fid_objno = 0;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((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_BKUPTIME) {
- ((struct timespec *)attrbufptr)->tv_sec = 0;
- ((struct timespec *)attrbufptr)->tv_nsec = 0;
- ++((struct timespec *)attrbufptr);
- };
- if (a & ATTR_CMN_FNDRINFO) {
- bzero (attrbufptr, 32 * sizeof(u_int8_t));
- (u_int8_t *)attrbufptr += 32 * sizeof(u_int8_t);
- };
- 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_USERACCESS) {
- *((u_long *)attrbufptr)++ =
- DerivePermissionSummary(ip->inode.iso_uid,
- ip->inode.iso_gid,
- ip->inode.iso_mode,
- imp,
- current_proc()->p_ucred,
- current_proc());
- };
- };
-
- 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_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_NAME) {
- attrlength = strlen( imp->volume_id ) + 1;
- ((struct attrreference *)attrbufptr)->attr_dataoffset = (u_int8_t *)varbufptr - (u_int8_t *)attrbufptr;
- ((struct attrreference *)attrbufptr)->attr_length = attrlength;
- (void) strncpy((unsigned char *)varbufptr, imp->volume_id, attrlength);
-
- /* Advance beyond the space just allocated and round up to the next 4-byte boundary: */
- (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_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;
- 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);
-
- /* Advance beyond the space just allocated: */
- (u_int8_t *)varbufptr += attrlength;
- ++((struct attrreference *)attrbufptr);
- };
- if (a & ATTR_VOL_ENCODINGSUSED) *((unsigned long long *)attrbufptr)++ = (unsigned long long)0;
- if (a & ATTR_VOL_CAPABILITIES) {
- ((vol_capabilities_attr_t *)attrbufptr)->capabilities[VOL_CAPABILITIES_FORMAT] = VOL_CAP_FMT_PERSISTENTOBJECTIDS;
- ((vol_capabilities_attr_t *)attrbufptr)->capabilities[VOL_CAPABILITIES_INTERFACES] =
- VOL_CAP_INT_ATTRLIST | VOL_CAP_INT_NFSEXPORT;
- ((vol_capabilities_attr_t *)attrbufptr)->capabilities[VOL_CAPABILITIES_RESERVED1] = 0;
- ((vol_capabilities_attr_t *)attrbufptr)->capabilities[VOL_CAPABILITIES_RESERVED2] = 0;
-
- ((vol_capabilities_attr_t *)attrbufptr)->valid[VOL_CAPABILITIES_FORMAT] =
- VOL_CAP_FMT_PERSISTENTOBJECTIDS | VOL_CAP_FMT_SYMBOLICLINKS | VOL_CAP_FMT_HARDLINKS;
- ((vol_capabilities_attr_t *)attrbufptr)->valid[VOL_CAPABILITIES_INTERFACES] =
- VOL_CAP_INT_SEARCHFS | VOL_CAP_INT_ATTRLIST | VOL_CAP_INT_NFSEXPORT;
- ((vol_capabilities_attr_t *)attrbufptr)->valid[VOL_CAPABILITIES_RESERVED1] = 0;
- ((vol_capabilities_attr_t *)attrbufptr)->valid[VOL_CAPABILITIES_RESERVED2] = 0;
-
- ++((vol_capabilities_attr_t *)attrbufptr);
- };
- if (a & ATTR_VOL_ATTRIBUTES) {
- ((vol_attributes_attr_t *)attrbufptr)->validattr.commonattr = ATTR_CMN_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->validattr.volattr = ATTR_VOL_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->validattr.dirattr = ATTR_DIR_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->validattr.fileattr = ATTR_FILE_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->validattr.forkattr = ATTR_FORK_VALIDMASK;
-
- ((vol_attributes_attr_t *)attrbufptr)->nativeattr.commonattr = ATTR_CMN_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->nativeattr.volattr = ATTR_VOL_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->nativeattr.dirattr = ATTR_DIR_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->nativeattr.fileattr = ATTR_FILE_VALIDMASK;
- ((vol_attributes_attr_t *)attrbufptr)->nativeattr.forkattr = ATTR_FORK_VALIDMASK;
-
- ++((vol_attributes_attr_t *)attrbufptr);
- };
- };
-
- *attrbufptrptr = attrbufptr;
- *varbufptrptr = varbufptr;
-}
-
-
-void
-packcommonattr (struct attrlist *alist,
- struct iso_node *ip,
- void **attrbufptrptr,
- void **varbufptrptr)
-{
- void *attrbufptr;
- void *varbufptr;
- attrgroup_t a;
- u_long attrlength;
-
- attrbufptr = *attrbufptrptr;
- varbufptr = *varbufptrptr;
-
- if ((a = alist->commonattr) != 0) {
- struct iso_mnt *imp = ip->i_mnt;
-
- if (a & ATTR_CMN_NAME) {
- /* special case root since we know how to get it's name */
- if (ITOV(ip)->v_flag & VROOT) {
- attrlength = strlen( imp->volume_id ) + 1;
- (void) strncpy((unsigned char *)varbufptr, imp->volume_id, attrlength);
- } else {
- attrlength = strlen(ip->i_namep) + 1;
- (void) strncpy((unsigned char *)varbufptr, ip->i_namep, attrlength);
- }
-
- ((struct attrreference *)attrbufptr)->attr_dataoffset = (u_int8_t *)varbufptr - (u_int8_t *)attrbufptr;
- ((struct attrreference *)attrbufptr)->attr_length = attrlength;
- /* Advance beyond the space just allocated and round up to the next 4-byte boundary: */
- (u_int8_t *)varbufptr += attrlength + ((4 - (attrlength & 3)) & 3);
- ++((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_OBJID) {
- if (ITOV(ip)->v_flag & VROOT)
- ((fsobj_id_t *)attrbufptr)->fid_objno = 2; /* force root to be 2 */
- else
- ((fsobj_id_t *)attrbufptr)->fid_objno = ip->i_number;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((fsobj_id_t *)attrbufptr);
- };
- if (a & ATTR_CMN_OBJPERMANENTID) {
- if (ITOV(ip)->v_flag & VROOT)
- ((fsobj_id_t *)attrbufptr)->fid_objno = 2; /* force root to be 2 */
- else
- ((fsobj_id_t *)attrbufptr)->fid_objno = ip->i_number;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((fsobj_id_t *)attrbufptr);
- };
- if (a & ATTR_CMN_PAROBJID) {
- struct iso_directory_record *dp = (struct iso_directory_record *)imp->root;
- ino_t rootino = isodirino(dp, imp);
-
- if (ip->i_number == rootino)
- ((fsobj_id_t *)attrbufptr)->fid_objno = 1; /* force root parent to be 1 */
- else if (ip->i_parent == rootino)
- ((fsobj_id_t *)attrbufptr)->fid_objno = 2; /* force root to be 2 */
- else
- ((fsobj_id_t *)attrbufptr)->fid_objno = ip->i_parent;
- ((fsobj_id_t *)attrbufptr)->fid_generation = 0;
- ++((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_BKUPTIME) {
- ((struct timespec *)attrbufptr)->tv_sec = 0;
- ((struct timespec *)attrbufptr)->tv_nsec = 0;
- ++((struct timespec *)attrbufptr);
- };
- if (a & ATTR_CMN_FNDRINFO) {
- struct finder_info finfo = {0};
-
- finfo.fdFlags = ip->i_FinderFlags;
- finfo.fdLocation.v = -1;
- finfo.fdLocation.h = -1;
- if (ITOV(ip)->v_type == VREG) {
- finfo.fdType = ip->i_FileType;
- finfo.fdCreator = ip->i_Creator;
- }
- bcopy (&finfo, attrbufptr, sizeof(finfo));
- (u_int8_t *)attrbufptr += sizeof(finfo);
- bzero (attrbufptr, EXTFNDRINFOSIZE);
- (u_int8_t *)attrbufptr += EXTFNDRINFOSIZE;
- };
- 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_USERACCESS) {
- *((u_long *)attrbufptr)++ =
- DerivePermissionSummary(ip->inode.iso_uid,
- ip->inode.iso_gid,
- ip->inode.iso_mode,
- imp,
- current_proc()->p_ucred,
- current_proc());
- };
- };
-
- *attrbufptrptr = attrbufptr;
- *varbufptrptr = varbufptr;
-}
-
-
-void
-packdirattr(struct attrlist *alist,
- struct iso_node *ip,
- void **attrbufptrptr,
- void **varbufptrptr)
-{
- void *attrbufptr;
- attrgroup_t a;
- int filcnt, dircnt;
-
- attrbufptr = *attrbufptrptr;
- filcnt = dircnt = 0;
-
- a = alist->dirattr;
- if ((ITOV(ip)->v_type == VDIR) && (a != 0)) {
- /*
- * if we haven't counted our children yet, do it now...
- */
- if ((ip->i_entries == 0) &&
- (a & (ATTR_DIR_LINKCOUNT | ATTR_DIR_ENTRYCOUNT))) {
- (void) isochildcount(ITOV(ip), &dircnt, &filcnt);
-
- if ((ip->inode.iso_links == 1) && (dircnt != 0))
- ip->inode.iso_links = dircnt;
- if ((filcnt + dircnt) > 0)
- ip->i_entries = dircnt + filcnt;
- }
-
- if (a & ATTR_DIR_LINKCOUNT) {
- *((u_long *)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));
- }
- if (a & ATTR_DIR_MOUNTSTATUS) {
- if (ITOV(ip)->v_mountedhere) {
- *((u_long *)attrbufptr)++ = DIR_MNTSTATUS_MNTPOINT;
- } else {
- *((u_long *)attrbufptr)++ = 0;
- };
- };
- };
-
- *attrbufptrptr = attrbufptr;
-}
-
-
-void
-packfileattr(struct attrlist *alist,
- struct iso_node *ip,
- void **attrbufptrptr,
- void **varbufptrptr)
-{
- void *attrbufptr = *attrbufptrptr;
- void *varbufptr = *varbufptrptr;
- attrgroup_t a = alist->fileattr;
-
- if ((ITOV(ip)->v_type == VREG) && (a != 0)) {
- if (a & ATTR_FILE_LINKCOUNT)
- *((u_long *)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;
- if (a & ATTR_FILE_CLUMPSIZE)
- *((u_long *)attrbufptr)++ = ip->i_mnt->logical_block_size;
- if (a & ATTR_FILE_DEVTYPE)
- *((u_long *)attrbufptr)++ = (u_long)ip->inode.iso_rdev;
- if (a & ATTR_FILE_DATALENGTH)
- *((off_t *)attrbufptr)++ = (off_t)ip->i_size;
- if (a & ATTR_FILE_DATAALLOCSIZE)
- *((off_t *)attrbufptr)++ = (off_t)ip->i_size;
- if (a & ATTR_FILE_RSRCLENGTH)
- *((off_t *)attrbufptr)++ = (off_t)ip->i_rsrcsize;
- if (a & ATTR_FILE_RSRCALLOCSIZE)
- *((off_t *)attrbufptr)++ = (off_t)ip->i_rsrcsize;
- }
-
- *attrbufptrptr = attrbufptr;
- *varbufptrptr = varbufptr;
-}
-
-
-void
-packattrblk(struct attrlist *alist,
- struct vnode *vp,
- void **attrbufptrptr,
- void **varbufptrptr)
-{
- struct iso_node *ip = VTOI(vp);
-
- if (alist->volattr != 0) {
- packvolattr(alist, ip, attrbufptrptr, varbufptrptr);
- } else {
- packcommonattr(alist, ip, attrbufptrptr, varbufptrptr);
-
- switch (ITOV(ip)->v_type) {
- case VDIR:
- packdirattr(alist, ip, attrbufptrptr, varbufptrptr);
- break;
-
- case VREG:
- packfileattr(alist, ip, attrbufptrptr, varbufptrptr);
- break;
-
- /* Without this the compiler complains about VNON,VBLK,VCHR,VLNK,VSOCK,VFIFO,VBAD and VSTR
- not being handled...
- */
- default:
- break;
- };
- };
-};
projects / apple / xnu.git / blobdiff