static char *search_relative(ntfs_inode *ni, ntfschar *path, int count)
{
char *target = (char*)NULL;
ntfs_inode *curni;
ntfs_inode *newni;
u64 inum;
int pos;
int lth;
BOOL ok;
BOOL morelinks;
int max = 32; /* safety */
pos = 0;
ok = TRUE;
morelinks = FALSE;
curni = ntfs_dir_parent_inode(ni);
/*
* Examine and translate the path, until we reach either
* - the end,
* - an unknown item
* - a non-directory
* - another reparse point,
* A reparse point is not dereferenced, it will be
* examined later when the translated path is dereferenced,
* however the final part of the path will not be adjusted
* to correct case.
*/
while (curni && ok && !morelinks && (pos < (count - 1)) && --max) {
if ((count >= (pos + 2))
&& (path[pos] == const_cpu_to_le16('.'))
&& (path[pos+1] == const_cpu_to_le16('\\'))) {
path[1] = const_cpu_to_le16('/');
pos += 2;
} else {
if ((count >= (pos + 3))
&& (path[pos] == const_cpu_to_le16('.'))
&&(path[pos+1] == const_cpu_to_le16('.'))
&& (path[pos+2] == const_cpu_to_le16('\\'))) {
path[2] = const_cpu_to_le16('/');
pos += 3;
newni = ntfs_dir_parent_inode(curni);
if (curni != ni)
ntfs_inode_close(curni);
curni = newni;
if (!curni)
ok = FALSE;
} else {
lth = 0;
while (((pos + lth) < count)
&& (path[pos + lth] != const_cpu_to_le16('\\')))
lth++;
if (lth > 0)
inum = ntfs_fix_file_name(curni,&path[pos],lth);
else
inum = (u64)-1;
if (!lth
|| ((curni != ni)
&& ntfs_inode_close(curni))
|| (inum == (u64)-1))
ok = FALSE;
else {
curni = ntfs_inode_open(ni->vol, MREF(inum));
if (!curni)
ok = FALSE;
else {
if (curni->flags & FILE_ATTR_REPARSE_POINT)
morelinks = TRUE;
if (ok && ((pos + lth) < count)) {
path[pos + lth] = const_cpu_to_le16('/');
pos += lth + 1;
if (morelinks
&& ntfs_inode_close(curni))
ok = FALSE;
} else {
pos += lth;
if (!morelinks
&& (ni->mrec->flags ^ curni->mrec->flags)
& MFT_RECORD_IS_DIRECTORY)
ok = FALSE;
if (ntfs_inode_close(curni))
ok = FALSE;
}
}
}
}
}
}
if (ok && (ntfs_ucstombs(path, count, &target, 0) < 0)) {
free(target); // needed ?
target = (char*)NULL;
}
return (target);
}
static char *search_relative(ntfs_inode *ni, ntfschar *path, int count)
{
char *target = (char*)NULL;
ntfs_inode *curni;
ntfs_inode *newni;
u64 inum;
int pos;
int lth;
BOOL ok;
int max = 32; /* safety */
pos = 0;
ok = TRUE;
curni = ntfs_dir_parent_inode(ni);
while (curni && ok && (pos < (count - 1)) && --max) {
if ((count >= (pos + 2))
&& (path[pos] == const_cpu_to_le16('.'))
&& (path[pos+1] == const_cpu_to_le16('\\'))) {
path[1] = const_cpu_to_le16('/');
pos += 2;
} else {
if ((count >= (pos + 3))
&& (path[pos] == const_cpu_to_le16('.'))
&&(path[pos+1] == const_cpu_to_le16('.'))
&& (path[pos+2] == const_cpu_to_le16('\\'))) {
path[2] = const_cpu_to_le16('/');
pos += 3;
newni = ntfs_dir_parent_inode(curni);
if (curni != ni)
ntfs_inode_close(curni);
curni = newni;
if (!curni)
ok = FALSE;
} else {
lth = 0;
while (((pos + lth) < count)
&& (path[pos + lth] != const_cpu_to_le16('\\')))
lth++;
if (lth > 0)
inum = ntfs_fix_file_name(curni,&path[pos],lth);
else
inum = (u64)-1;
if (!lth
|| ((curni != ni)
&& ntfs_inode_close(curni))
|| (inum == (u64)-1))
ok = FALSE;
else {
curni = ntfs_inode_open(ni->vol, MREF(inum));
if (!curni)
ok = FALSE;
else {
if (ok && ((pos + lth) < count)) {
path[pos + lth] = const_cpu_to_le16('/');
pos += lth + 1;
} else {
pos += lth;
if ((ni->mrec->flags ^ curni->mrec->flags)
& MFT_RECORD_IS_DIRECTORY)
ok = FALSE;
if (ntfs_inode_close(curni))
ok = FALSE;
}
}
}
}
}
}
if (ok && (ntfs_ucstombs(path, count, &target, 0) < 0)) {
free(target); // needed ?
target = (char*)NULL;
}
return (target);
}
