X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..2d21ac55c334faf3a56e5634905ed6987fc787d4:/bsd/isofs/cd9660/cd9660_util.c diff --git a/bsd/isofs/cd9660/cd9660_util.c b/bsd/isofs/cd9660/cd9660_util.c index 689c091bc..b3ae1af55 100644 --- a/bsd/isofs/cd9660/cd9660_util.c +++ b/bsd/isofs/cd9660/cd9660_util.c @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 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 #include #include +#include #include #include #include /* XXX */ @@ -84,20 +91,19 @@ #include #include #include -#include #include #include #include +#include + /* * 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; @@ -157,14 +163,14 @@ isofncmp(fn, fnlen, isofn, isolen) /* * 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; @@ -176,7 +182,7 @@ ucsfncmp(fn, fnlen, ucsfn, ucslen) while (--fnlen >= 0) { if (--ucslen < 0) return *fn; - if ((c = *ucsfn++) == UCS_SEPARATOR2) { + if ((c = OSSwapBigToHostInt16(*ucsfn++)) == UCS_SEPARATOR2) { switch (*fn++) { default: return *--fn; @@ -190,7 +196,7 @@ ucsfncmp(fn, fnlen, ucsfn, ucslen) 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) @@ -201,10 +207,10 @@ ucsfncmp(fn, fnlen, ucsfn, ucslen) 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; } } @@ -216,14 +222,20 @@ ucsfncmp(fn, fnlen, ucsfn, ucslen) * 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++; @@ -256,12 +268,8 @@ isofntrans(infn, infnlen, outfn, outfnlen, original) * 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, ".."); @@ -278,13 +286,20 @@ ucsfntrans(infn, infnlen, outfn, outfnlen, dir) 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; } @@ -293,12 +308,10 @@ ucsfntrans(infn, infnlen, outfn, outfnlen, dir) fnidx = infnlen/2; } - flags = UTF_NO_NULL_TERM; - 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; } } @@ -307,25 +320,24 @@ ucsfntrans(infn, infnlen, outfn, outfnlen, dir) * 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; @@ -336,14 +348,14 @@ isochildcount(vdp, dircnt, filcnt) */ 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) { @@ -360,6 +372,15 @@ isochildcount(vdp, dircnt, filcnt) 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) @@ -370,7 +391,7 @@ isochildcount(vdp, dircnt, filcnt) } if (bp) - brelse (bp); + buf_brelse (bp); *dircnt = dirs; *filcnt = files; @@ -379,549 +400,34 @@ 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 */ } - - -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; - 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; - }; - }; -};