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https://github.com/zydeco/libmfs.git
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libmfs 1.0.2
This commit is contained in:
Jesús A. Álvarez
parent
7bee43c9d6
commit
567eb930ae
2
Makefile
2
Makefile
@ -3,7 +3,7 @@ LIB = libmfs.a
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CC = gcc
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AR = ar
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RANLIB = ranlib
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CFLAGS = -Wno-multichar -fPIC -std=c99 -I.. -DUSE_LIBRES
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CFLAGS = -arch i386 -arch ppc -arch x86_64 -fPIC -std=c99 -I.. -DUSE_LIBRES
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all: $(LIB)
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6
fobj.h
6
fobj.h
@ -1,12 +1,12 @@
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// reverse engineered FOBJ resource
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// values are big endian
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struct __attribute__ ((__packed__)) FOBJrsrc {
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int16_t fdType; // 8 = folder, 4 = disk
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struct {
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int16_t v,h;
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} fdIconPos; // icon position in window
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char _rsv1[6]; // unknown
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int16_t parent; // parent folder, kMFSFolder* or ID
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int16_t parent; // parent folder, kMFSFolder*
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char _rsv2[12]; // unknown
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uint32_t fdCrDat; // creation date (mac)
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uint32_t fdMdDat; // modification date (mac)
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@ -14,4 +14,4 @@ struct __attribute__ ((__packed__)) FOBJrsrc {
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uint16_t fdFlags; // finder flags
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char _rsv4[]; // the resource is bigger
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};
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typedef struct FOBJrsrc FOBJrsrc;
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typedef struct FOBJrsrc FOBJrsrc;
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139
mfs.c
139
mfs.c
@ -21,7 +21,6 @@
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#define __USE_BSD // linux strdup
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#include <string.h>
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#include <strings.h>
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#include <errno.h>
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@ -31,7 +30,7 @@
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#include "fobj.h"
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#endif
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const char * libmfs_id = "libmfs 1.0.1 (C)2008-2009 namedfork.net";
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const char * libmfs_id = "libmfs 1.0.2 (C)2008-2010 namedfork.net";
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// printable flags
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#define BINFLG8(x) ((x)&0x80?'1':'0'),((x)&0x40?'1':'0'),((x)&0x20?'1':'0'),((x)&0x10?'1':'0'),((x)&0x08?'1':'0'),((x)&0x04?'1':'0'),((x)&0x02?'1':'0'),((x)&0x01?'1':'0')
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@ -158,50 +157,50 @@ struct timespec mfs_timespec (uint32_t mfsDate) {
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#if defined(LIBMFS_VERBOSE)
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int mfs_printmdb (MFSMasterDirectoryBlock *mdb) {
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time_t t;
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printf("MASTER DIRECTORY BLOCK:\n");
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printf(" signature: $%04X\n", mdb->drSigWord);
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fprintf(stderr, "MASTER DIRECTORY BLOCK:\n");
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fprintf(stderr, " signature: $%04X\n", mdb->drSigWord);
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t = mfs_time(mdb->drCrDate);
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printf(" creation: %s", asctime(localtime(&t)));
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fprintf(stderr, " creation: %s", asctime(localtime(&t)));
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t = mfs_time(mdb->drLsBkUp);
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printf(" backup: %s", asctime(localtime(&t)));
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printf(" attributes: %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", BINFLG16(mdb->drAtrb));
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printf(" files: %d\n", mdb->drNmFls);
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printf(" dir.start: %d\n", mdb->drDirSt);
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printf(" dir.len: %d\n", mdb->drBlLen);
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printf(" al.bks: %d\n", mdb->drNmAlBlks);
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printf(" al.bksz: %d\n", mdb->drAlBlkSiz);
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printf(" al.bytes: %d\n", mdb->drClpSiz);
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printf(" al.first: %d\n", mdb->drAlBlSt);
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printf(" fn.next: %d\n", mdb->drNxtFNum);
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printf(" free: %d\n", mdb->drFreeBks);
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fprintf(stderr, " backup: %s", asctime(localtime(&t)));
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fprintf(stderr, " attributes: %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", BINFLG16(mdb->drAtrb));
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fprintf(stderr, " files: %d\n", mdb->drNmFls);
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fprintf(stderr, " dir.start: %d\n", mdb->drDirSt);
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fprintf(stderr, " dir.len: %d\n", mdb->drBlLen);
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fprintf(stderr, " al.bks: %d\n", mdb->drNmAlBlks);
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fprintf(stderr, " al.bksz: %d\n", mdb->drAlBlkSiz);
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fprintf(stderr, " al.bytes: %d\n", mdb->drClpSiz);
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fprintf(stderr, " al.first: %d\n", mdb->drAlBlSt);
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fprintf(stderr, " fn.next: %d\n", mdb->drNxtFNum);
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fprintf(stderr, " free: %d\n", mdb->drFreeBks);
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char volName[28];
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strncpy(volName, (char*)&mdb->drVN[1], mdb->drVN[0]);
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printf(" name: %s\n", volName);
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fprintf(stderr, " name: %s\n", volName);
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fflush(stderr);
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}
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int mfs_printrecord (MFSDirectoryRecord *rec) {
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printf("DIRECTORY RECORD:\n");
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printf(" name: %s\n", rec->flCName);
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printf(" flags: %c%c%c%c%c%c%c%c\n", BINFLG8(rec->flFlags));
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printf(" version: %d\n", rec->flTyp);
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printf(" inode: %d\n", rec->flFlNum);
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printf(" data.blk: %d\n", rec->flStBlk);
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printf(" data.lgl: %d\n", rec->flLgLen);
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printf(" data.pyl: %d\n", rec->flPyLen);
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printf(" rsrc.blk: %d\n", rec->flRStBlk);
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printf(" rsrc.lgl: %d\n", rec->flRLgLen);
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printf(" rsrc.pyl: %d\n", rec->flRPyLen);
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fprintf(stderr, "DIRECTORY RECORD:\n");
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fprintf(stderr, " name: %s\n", rec->flCName);
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fprintf(stderr, " flags: %c%c%c%c%c%c%c%c\n", BINFLG8(rec->flFlags));
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fprintf(stderr, " version: %d\n", rec->flTyp);
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fprintf(stderr, " inode: %d\n", rec->flFlNum);
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fprintf(stderr, " data.blk: %d\n", rec->flStBlk);
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fprintf(stderr, " data.lgl: %d\n", rec->flLgLen);
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fprintf(stderr, " data.pyl: %d\n", rec->flPyLen);
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fprintf(stderr, " rsrc.blk: %d\n", rec->flRStBlk);
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fprintf(stderr, " rsrc.lgl: %d\n", rec->flRLgLen);
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fprintf(stderr, " rsrc.pyl: %d\n", rec->flRPyLen);
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time_t t = mfs_time(rec->flCrDat);
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printf(" created: %s", asctime(localtime(&t)));
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fprintf(stderr, " created: %s", asctime(localtime(&t)));
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t = mfs_time(rec->flMdDat);
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printf(" modified: %s", asctime(localtime(&t)));
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fprintf(stderr, " modified: %s", asctime(localtime(&t)));
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// user words
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printf(" folder: %d\n", ntohs(rec->flUsrWds.folder));
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fprintf(stderr, " folder: %d\n", ntohs(rec->flUsrWds.folder));
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uint16_t fflags = ntohs(rec->flUsrWds.flags);
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printf(" fflags: %04X\n%s%s%s%s%s%s%s%s%s", fflags,
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fprintf(stderr, " fflags: %04X\n%s%s%s%s%s%s%s%s%s", fflags,
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((fflags & kIsOnDesk)? " on desktop\n":""),
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((fflags & kSwitchLaunch)? " switch launch\n":""),
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((fflags & kRequireSwitchLaunch)?" switch launch\n":""),
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((fflags & kIsShared)? " shared\n":""),
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((fflags & kHasNoINITs)? " no INITs\n":""),
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((fflags & kHasBeenInited)? " inited\n":""),
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@ -210,6 +209,7 @@ int mfs_printrecord (MFSDirectoryRecord *rec) {
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((fflags & kHasBundle)? " bundle\n":""),
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((fflags & kIsInvisible)? " invisible\n":"")
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);
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fflush(stderr);
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}
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#endif
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@ -395,42 +395,16 @@ MFSFork* mfs_fkopen (MFSVolume *vol, MFSDirectoryRecord *rec, int mode, int writ
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// header
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as->magic = htonl(kAppleDoubleMagic);
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as->version = htonl(kAppleDoubleVersion);
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memcpy(&as->filesystem, "Macintosh ", 16);
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memcpy(&as->filesystem, "Mac OS X ", 16);
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int e = 0;
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// resource fork
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if (fk->fkLgLen) {
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as->entry[e].type = htonl(kAppleDoubleResourceForkEntry);
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as->entry[e].offset = htonl(kAppleDoubleResourceForkOffset);
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as->entry[e].length = htonl((uint32_t)fk->fkLgLen);
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e++;
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}
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// real name
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as->entry[e].type = htonl(kAppleDoubleRealNameEntry);
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as->entry[e].offset = htonl(kAppleDoubleRealNameOffset);
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as->entry[e].length = htonl((uint32_t)(rec->flNam[0]));
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strcpy((void*)as+kAppleDoubleRealNameOffset, rec->flCName);
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e++;
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// file info
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as->entry[e].type = htonl(kAppleDoubleFileInfoEntry);
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as->entry[e].offset = htonl(kAppleDoubleFileInfoOffset);
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as->entry[e].length = htonl(kAppleDoubleFileInfoLength);
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AppleDoubleMacFileInfo *mfi = (void*)as+kAppleDoubleFileInfoOffset;
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mfi->creationDate = htonl(rec->flCrDat);
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mfi->modificationDate = htonl(rec->flMdDat);
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mfi->backupDate = htonl(0);
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mfi->attributes = htonl((uint32_t)(rec->flFlags & 0x7F));
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e++;
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// finder info
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as->entry[e].type = htonl(kAppleDoubleFinderInfoEntry);
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as->entry[e].offset = htonl(kAppleDoubleFinderInfoOffset);
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as->entry[e].length = htonl(kAppleDoubleFinderInfoLength);
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memcpy((void*)as+kAppleDoubleFinderInfoOffset, &rec->flUsrWds, 16);
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e++;
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/*
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// finder comment
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#ifdef USE_LIBRES
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size_t commentLength;
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@ -441,7 +415,17 @@ MFSFork* mfs_fkopen (MFSVolume *vol, MFSDirectoryRecord *rec, int mode, int writ
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e++;
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}
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#endif
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*/
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// resource fork
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// kernel complains if it's not the last entry
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if (fk->fkLgLen) {
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as->entry[e].type = htonl(kAppleDoubleResourceForkEntry);
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as->entry[e].offset = htonl(kAppleDoubleResourceForkOffset);
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as->entry[e].length = htonl((uint32_t)fk->fkLgLen);
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e++;
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}
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// number of entries written
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as->numEntries = htons(e);
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}
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@ -473,27 +457,9 @@ MFSFork* mfs_dhopen (MFSVolume *vol, MFSFolder *folder) {
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// header
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as->magic = htonl(kAppleDoubleMagic);
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as->version = htonl(kAppleDoubleVersion);
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memcpy(&as->filesystem, "Macintosh ", 16);
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memcpy(&as->filesystem, "Mac OS X ", 16);
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int e = 0;
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// real name
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as->entry[e].type = htonl(kAppleDoubleRealNameEntry);
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as->entry[e].offset = htonl(kAppleDoubleRealNameOffset);
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as->entry[e].length = htonl(strlen(folder->fdCNam));
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strcpy((void*)as+kAppleDoubleRealNameOffset, folder->fdCNam);
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e++;
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// file info
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as->entry[e].type = htonl(kAppleDoubleFileInfoEntry);
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as->entry[e].offset = htonl(kAppleDoubleFileInfoOffset);
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as->entry[e].length = htonl(kAppleDoubleFileInfoLength);
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AppleDoubleMacFileInfo *mfi = (void*)as+kAppleDoubleFileInfoOffset;
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mfi->creationDate = htonl(folder->fdCrDat);
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mfi->modificationDate = htonl(folder->fdMdDat);
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mfi->backupDate = htonl(0);
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mfi->attributes = htonl(0);
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e++;
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// finder info
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MFSFInfo finfo = {0, 0, 0, {0, 0}, 0};
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finfo.flags = htons(folder->fdFlags);
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@ -505,6 +471,8 @@ MFSFork* mfs_dhopen (MFSVolume *vol, MFSFolder *folder) {
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memcpy((void*)as+kAppleDoubleFinderInfoOffset, &finfo, 16);
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e++;
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// TODO: finder comment as xattr
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/*
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// finder comment
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#ifdef USE_LIBRES
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size_t commentLength;
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@ -515,7 +483,7 @@ MFSFork* mfs_dhopen (MFSVolume *vol, MFSFolder *folder) {
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e++;
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}
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#endif
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*/
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// number of entries written
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as->numEntries = htons(e);
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@ -691,10 +659,11 @@ int mfs_load_folders (MFSVolume *vol) {
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// print folders
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#if defined(LIBMFS_VERBOSE)
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printf("FOLDERS:\n# PAR# SUB NAME\n");
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fprintf(stderr, "FOLDERS:\n# PAR# SUB NAME\n");
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for(i=0; i < count; i++)
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printf("%-7hd%-7hd%-4hd%s\n", vol->folders[i].fdID, vol->folders[i].fdParent,
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fprintf(stderr, "%-7hd%-7hd%-4hd%s\n", vol->folders[i].fdID, vol->folders[i].fdParent,
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vol->folders[i].fdSubdirs, vol->folders[i].fdCNam);
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fflush(stderr);
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#endif
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free(fobj);
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6
mfs.h
6
mfs.h
@ -182,12 +182,8 @@ typedef struct MFSFork MFSFork;
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#define kAppleDoubleHeaderLength 0x300
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#define kAppleDoubleResourceForkOffset kAppleDoubleHeaderLength
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#define kAppleDoubleFileInfoOffset 0x70
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#define kAppleDoubleFileInfoLength 0x10
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#define kAppleDoubleFinderInfoOffset 0x80
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#define kAppleDoubleFinderInfoOffset 0x70
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#define kAppleDoubleFinderInfoLength 0x20
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#define kAppleDoubleRealNameOffset 0xA0
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#define kAppleDoubleCommentOffset 0x1A0
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// open/close volume
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MFSVolume* mfs_vopen (const char *path, size_t offset, int flags);
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