/*
* NAME: vol->putcatrec()
* DESCRIPTION: store catalog information
*/
int v_putcatrec(const CatDataRec *data, node *np)
{
byte pdata[HFS_CATDATALEN], *ptr;
int len = 0;
r_packcatdata(data, pdata, &len);
ptr = HFS_NODEREC(*np, np->rnum);
memcpy(HFS_RECDATA(ptr), pdata, len);
return bt_putnode(np);
}
/*
* NAME: vol->newfolder()
* DESCRIPTION: create a new HFS folder
*/
int v_newfolder(hfsvol *vol, long parid, char *name)
{
CatKeyRec key;
CatDataRec data;
long id;
unsigned char record[HFS_CATRECMAXLEN];
int i, reclen;
if (bt_space(&vol->cat, 2) < 0)
return -1;
id = vol->mdb.drNxtCNID++;
vol->flags |= HFS_UPDATE_MDB;
/* create directory record */
data.cdrType = cdrDirRec;
data.cdrResrv2 = 0;
data.u.dir.dirFlags = 0;
data.u.dir.dirVal = 0;
data.u.dir.dirDirID = id;
#ifdef UHFS
data.u.dir.dirCrDat = 0;
#else
data.u.dir.dirCrDat = d_tomtime(time(0));
#endif
data.u.dir.dirMdDat = data.u.dir.dirCrDat;
data.u.dir.dirBkDat = 0;
memset(&data.u.dir.dirUsrInfo, 0, sizeof(data.u.dir.dirUsrInfo));
memset(&data.u.dir.dirFndrInfo, 0, sizeof(data.u.dir.dirFndrInfo));
for (i = 0; i < 4; ++i)
data.u.dir.dirResrv[i] = 0;
r_makecatkey(&key, parid, name);
r_packcatkey(&key, record, &reclen);
r_packcatdata(&data, HFS_RECDATA(record), &reclen);
if (bt_insert(&vol->cat, record, reclen) < 0)
return -1;
/* create thread record */
data.cdrType = cdrThdRec;
data.cdrResrv2 = 0;
data.u.dthd.thdResrv[0] = 0;
data.u.dthd.thdResrv[1] = 0;
data.u.dthd.thdParID = parid;
strcpy(data.u.dthd.thdCName, name);
r_makecatkey(&key, id, "");
r_packcatkey(&key, record, &reclen);
r_packcatdata(&data, HFS_RECDATA(record), &reclen);
if (bt_insert(&vol->cat, record, reclen) < 0 ||
v_adjvalence(vol, parid, 1, 1) < 0)
return -1;
return 0;
}
/*
* NAME: hfs->rename()
* DESCRIPTION: change the name of and/or move a file or directory
*/
int hfs_rename(hfsvol *vol, char *srcpath, char *dstpath)
{
hfsvol *srcvol;
CatDataRec src, dst;
long srcid, dstid;
CatKeyRec key;
char srcname[HFS_MAX_FLEN + 1], dstname[HFS_MAX_FLEN + 1];
unsigned char record[HFS_CATRECMAXLEN];
int found, isdir, moving, reclen;
node n;
if (v_getvol(&vol) < 0 ||
v_resolve(&vol, srcpath, &src, &srcid, srcname, 0) <= 0)
return -1;
isdir = (src.cdrType == cdrDirRec);
srcvol = vol;
found = v_resolve(&vol, dstpath, &dst, &dstid, dstname, 0);
if (found < 0)
return -1;
if (vol != srcvol)
{
ERROR(EINVAL, "can't move across volumes");
return -1;
}
if (dstid == 0)
{
ERROR(ENOENT, "bad destination path");
return -1;
}
if (found &&
dst.cdrType == cdrDirRec &&
dst.u.dir.dirDirID != src.u.dir.dirDirID)
{
dstid = dst.u.dir.dirDirID;
strcpy(dstname, srcname);
found = v_catsearch(vol, dstid, dstname, 0, 0, 0);
if (found < 0)
return -1;
}
moving = (srcid != dstid);
if (found)
{
char *ptr;
ptr = strrchr(dstpath, ':');
if (ptr == 0)
ptr = dstpath;
else
++ptr;
if (*ptr)
strcpy(dstname, ptr);
if (! moving && strcmp(srcname, dstname) == 0)
return 0; /* source and destination are the same */
if (moving || d_relstring(srcname, dstname))
{
ERROR(EEXIST, "can't use destination name");
return -1;
}
}
/* can't move anything into the root directory's parent */
if (moving && dstid == HFS_CNID_ROOTPAR)
{
ERROR(EINVAL, "can't move above root directory");
return -1;
}
if (moving && isdir)
{
long id;
/* can't move root directory anywhere */
if (src.u.dir.dirDirID == HFS_CNID_ROOTDIR)
{
ERROR(EINVAL, "can't move root directory");
return -1;
}
/* make sure we aren't trying to move a directory inside itself */
for (id = dstid; id != HFS_CNID_ROOTDIR; id = dst.u.dthd.thdParID)
{
if (id == src.u.dir.dirDirID)
{
ERROR(EINVAL, "can't move directory inside itself");
return -1;
}
if (v_getdthread(vol, id, &dst, 0) <= 0)
return -1;
}
}
if (vol->flags & HFS_READONLY)
{
ERROR(EROFS, 0);
return -1;
}
/* change volume name */
if (dstid == HFS_CNID_ROOTPAR)
{
if (strlen(dstname) > HFS_MAX_VLEN)
{
ERROR(ENAMETOOLONG, 0);
return -1;
}
strcpy(vol->mdb.drVN, dstname);
vol->flags |= HFS_UPDATE_MDB;
}
/* remove source record */
r_makecatkey(&key, srcid, srcname);
r_packcatkey(&key, record, 0);
if (bt_delete(&vol->cat, record) < 0)
return -1;
/* insert destination record */
r_makecatkey(&key, dstid, dstname);
r_packcatkey(&key, record, &reclen);
r_packcatdata(&src, HFS_RECDATA(record), &reclen);
if (bt_insert(&vol->cat, record, reclen) < 0)
return -1;
/* update thread record */
if (isdir)
{
if (v_getdthread(vol, src.u.dir.dirDirID, &dst, &n) <= 0)
return -1;
dst.u.dthd.thdParID = dstid;
strcpy(dst.u.dthd.thdCName, dstname);
if (v_putcatrec(&dst, &n) < 0)
return -1;
}
else
{
found = v_getfthread(vol, src.u.fil.filFlNum, &dst, &n);
if (found < 0)
return -1;
if (found)
{
dst.u.fthd.fthdParID = dstid;
strcpy(dst.u.fthd.fthdCName, dstname);
if (v_putcatrec(&dst, &n) < 0)
return -1;
}
}
/* update directory valences */
if (moving)
{
if (v_adjvalence(vol, srcid, isdir, -1) < 0 ||
v_adjvalence(vol, dstid, isdir, 1) < 0)
return -1;
}
return 0;
}
/*
* NAME: record->packcatrec()
* DESCRIPTION: create a packed catalog record
*/
void r_packcatrec(const CatKeyRec *key, const CatDataRec *data,
byte *precord, int *len)
{
r_packcatkey(key, precord, len);
r_packcatdata(data, HFS_RECDATA(precord), len);
}
/*
* NAME: hfs->create()
* DESCRIPTION: create a new file
*/
int hfs_create(hfsvol *vol, char *path, char *type, char *creator)
{
CatKeyRec key;
CatDataRec data;
long id, parid;
char name[HFS_MAX_FLEN + 1];
unsigned char record[HFS_CATRECMAXLEN];
int found, i, reclen;
if (v_getvol(&vol) < 0)
return -1;
found = v_resolve(&vol, path, &data, &parid, name, 0);
if (found < 0 || parid == 0)
return -1;
else if (found)
{
ERROR(EEXIST, 0);
return -1;
}
if (parid == HFS_CNID_ROOTPAR)
{
ERROR(EINVAL, 0);
return -1;
}
if (vol->flags & HFS_READONLY)
{
ERROR(EROFS, 0);
return -1;
}
/* create file `name' in parent `parid' */
if (bt_space(&vol->cat, 1) < 0)
return -1;
id = vol->mdb.drNxtCNID++;
vol->flags |= HFS_UPDATE_MDB;
/* create file record */
data.cdrType = cdrFilRec;
data.cdrResrv2 = 0;
data.u.fil.filFlags = 0;
data.u.fil.filTyp = 0;
memset(&data.u.fil.filUsrWds, 0, sizeof(data.u.fil.filUsrWds));
data.u.fil.filUsrWds.fdType = d_getl((unsigned char *) type);
data.u.fil.filUsrWds.fdCreator = d_getl((unsigned char *) creator);
data.u.fil.filFlNum = id;
data.u.fil.filStBlk = 0;
data.u.fil.filLgLen = 0;
data.u.fil.filPyLen = 0;
data.u.fil.filRStBlk = 0;
data.u.fil.filRLgLen = 0;
data.u.fil.filRPyLen = 0;
data.u.fil.filCrDat = d_tomtime(/*time*/(0));
data.u.fil.filMdDat = data.u.fil.filCrDat;
data.u.fil.filBkDat = 0;
memset(&data.u.fil.filFndrInfo, 0, sizeof(data.u.fil.filFndrInfo));
data.u.fil.filClpSize = 0;
for (i = 0; i < 3; ++i)
{
data.u.fil.filExtRec[i].xdrStABN = 0;
data.u.fil.filExtRec[i].xdrNumABlks = 0;
data.u.fil.filRExtRec[i].xdrStABN = 0;
data.u.fil.filRExtRec[i].xdrNumABlks = 0;
}
data.u.fil.filResrv = 0;
r_makecatkey(&key, parid, name);
r_packcatkey(&key, record, &reclen);
r_packcatdata(&data, HFS_RECDATA(record), &reclen);
if (bt_insert(&vol->cat, record, reclen) < 0 ||
v_adjvalence(vol, parid, 0, 1) < 0)
return -1;
return 0;
}
