static ntfs_index_context *open_reparse_index(ntfs_volume *vol)
{
u64 inum;
ntfs_inode *ni;
ntfs_inode *dir_ni;
ntfs_index_context *xr;
/* do not use path_name_to inode - could reopen root */
dir_ni = ntfs_inode_open(vol, FILE_Extend);
ni = (ntfs_inode*)NULL;
if (dir_ni) {
inum = ntfs_inode_lookup_by_mbsname(dir_ni,"$Reparse");
if (inum != (u64)-1)
ni = ntfs_inode_open(vol, inum);
ntfs_inode_close(dir_ni);
}
if (ni) {
xr = ntfs_index_ctx_get(ni, reparse_index_name, 2);
if (!xr) {
ntfs_inode_close(ni);
}
} else
xr = (ntfs_index_context*)NULL;
return (xr);
}
static ntfs_index_context *open_object_id_index(ntfs_volume *vol)
{
u64 inum;
ntfs_inode *ni;
ntfs_inode *dir_ni;
ntfs_index_context *xo;
/* do not use path_name_to inode - could reopen root */
dir_ni = ntfs_inode_open(vol, FILE_Extend);
ni = (ntfs_inode*)NULL;
if (dir_ni) {
inum = ntfs_inode_lookup_by_mbsname(dir_ni,"$ObjId");
if (inum != (u64)-1)
ni = ntfs_inode_open(vol, inum);
ntfs_inode_close(dir_ni);
}
if (ni) {
xo = ntfs_index_ctx_get(ni, objid_index_name, 2);
if (!xo) {
ntfs_inode_close(ni);
}
} else
xo = (ntfs_index_context*)NULL;
return (xo);
}
static char *search_absolute(ntfs_volume *vol, ntfschar *path,
int count, BOOL isdir)
{
ntfs_inode *ni;
u64 inum;
char *target;
int start;
int len;
target = (char*)NULL; /* default return */
ni = ntfs_inode_open(vol, (MFT_REF)FILE_root);
if (ni) {
start = 0;
/*
* 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.
*/
do {
len = 0;
while (((start + len) < count)
&& (path[start + len] != const_cpu_to_le16('\\')))
len++;
inum = ntfs_fix_file_name(ni, &path[start], len);
ntfs_inode_close(ni);
ni = (ntfs_inode*)NULL;
if (inum != (u64)-1) {
inum = MREF(inum);
ni = ntfs_inode_open(vol, inum);
start += len;
if (start < count)
path[start++] = const_cpu_to_le16('/');
}
} while (ni
&& (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)
&& !(ni->flags & FILE_ATTR_REPARSE_POINT)
&& (start < count));
if (ni
&& ((ni->mrec->flags & MFT_RECORD_IS_DIRECTORY ? isdir : !isdir)
|| (ni->flags & FILE_ATTR_REPARSE_POINT)))
if (ntfs_ucstombs(path, count, &target, 0) < 0) {
if (target) {
free(target);
target = (char*)NULL;
}
}
if (ni)
ntfs_inode_close(ni);
}
return (target);
}
static int ntfsrec_cpz_directory_visitor(struct ntfsrec_copy *state, const ntfschar *name, const int name_len, const int name_type, const s64 pos, const MFT_REF mref, const unsigned dt_type) {
char *local_name = NULL;
ntfs_inode *inode;
NR_UNUSED(pos);
if ((name_type & FILE_NAME_WIN32_AND_DOS) == FILE_NAME_DOS) {
return 0;
}
if (ntfs_ucstombs(name, name_len, &local_name, MAX_PATH_LENGTH) < 0) {
puts("Error: this filename can't be represented in your locale.");
return 0;
}
if (dt_type & NTFS_DT_DIR) {
ntfs_inode *dir_inode;
if (strcmp(local_name, ".") == 0 || strcmp(local_name, "..") == 0 ||
strcmp(local_name, "./") == 0 || strcmp(local_name, "../") == 0) {
free(local_name);
return 0;
}
dir_inode = ntfs_inode_open(state->volume, mref);
if (dir_inode == NULL) {
printf("Error: couldn't open folder %s\n", local_name);
free(local_name);
return 0;
}
ntfsrec_recurse_directory(state, dir_inode, local_name);
ntfs_inode_close(dir_inode);
free(local_name);
return 0;
}
inode = ntfs_inode_open(state->volume, mref);
if (inode != NULL) {
ntfsrec_emit_file(state, inode, local_name);
ntfs_inode_close(inode);
} else {
printf("Error: couldn't open file %s\n", local_name);
}
free(local_name);
return 0;
}
/* Restore the DOS name of the @dentry.
* This closes both @ni and @dir_ni.
* If either is NULL, then they are opened temporarily. */
static int
ntfs_3g_restore_dos_name(ntfs_inode *ni, ntfs_inode *dir_ni,
struct wim_dentry *dentry, ntfs_volume *vol)
{
int ret;
const char *dos_name;
size_t dos_name_nbytes;
/* Note: ntfs_set_ntfs_dos_name() closes both inodes (even if it fails).
* And it takes in a multibyte string, even though it translates it to
* UTF-16LE internally... which is annoying because we currently have
* the UTF-16LE string but not the multibyte string. */
ret = utf16le_get_tstr(dentry->short_name, dentry->short_name_nbytes,
&dos_name, &dos_name_nbytes);
if (ret)
goto out_close;
if (!dir_ni)
dir_ni = ntfs_inode_open(vol, dentry->d_parent->d_inode->i_mft_no);
if (!ni)
ni = ntfs_inode_open(vol, dentry->d_inode->i_mft_no);
if (dir_ni && ni) {
ret = ntfs_set_ntfs_dos_name(ni, dir_ni,
dos_name, dos_name_nbytes, 0);
dir_ni = NULL;
ni = NULL;
} else {
ret = -1;
}
utf16le_put_tstr(dos_name);
if (ret) {
ERROR_WITH_ERRNO("Failed to set DOS name of \"%s\" in NTFS "
"volume", dentry_full_path(dentry));
ret = WIMLIB_ERR_SET_SHORT_NAME;
goto out_close;
}
/* Unlike most other NTFS-3g functions, ntfs_set_ntfs_dos_name()
* changes the directory's last modification timestamp...
* Change it back. */
return ntfs_3g_restore_timestamps(vol, dentry->d_parent->d_inode);
out_close:
/* ntfs_inode_close() can take a NULL argument, but it's probably best
* not to rely on this behavior. */
if (ni)
ntfs_inode_close(ni);
if (dir_ni)
ntfs_inode_close(dir_ni);
return ret;
}
static int ntfs_dir(disk_t *disk_car, const partition_t *partition, dir_data_t *dir_data, const unsigned long int cluster, file_info_t *dir_list)
{
ntfs_inode *inode;
s64 pos;
struct ntfs_dir_struct *ls=(struct ntfs_dir_struct*)dir_data->private_dir_data;
ls->dir_list=dir_list;
inode = ntfs_inode_open (ls->vol, cluster);
if (!inode) {
log_error("ntfs_dir: ntfs_inode_open failed\n");
return -1;
}
/*
* We now are at the final path component. If it is a file just
* list it. If it is a directory, list its contents.
*/
pos = 0;
if (inode->mrec->flags & MFT_RECORD_IS_DIRECTORY) {
if(ntfs_readdir(inode, &pos, ls, (ntfs_filldir_t)ntfs_td_list_entry)<0)
{
log_error("ntfs_readdir failed for cluster %lu: %s\n", cluster,
strerror(errno));
}
}
else
log_critical("ntfs_readdir BUG not MFT_RECORD_IS_DIRECTORY\n");
/* Finished with the inode; release it. */
ntfs_inode_close(inode);
td_list_sort(&dir_list->list, filesort);
return 0;
}
status_t
fs_closedir(fs_volume *_vol, fs_vnode *_node, void *cookie)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
int result = B_NO_ERROR;
ntfs_inode *ni = NULL;
LOCK_VOL(ns);
TRACE("fs_closedir - ENTER\n");
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = ENOENT;
goto exit;
}
fs_ntfs_update_times(_vol, ni, NTFS_UPDATE_ATIME);
exit:
if (ni)
ntfs_inode_close(ni);
TRACE("fs_closedir - EXIT\n");
UNLOCK_VOL(ns);
return result;
}
status_t
fs_rstat(fs_volume *_vol, fs_vnode *_node, struct stat *stbuf)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
ntfs_inode *ni = NULL;
ntfs_attr *na;
status_t result = B_NO_ERROR;
LOCK_VOL(ns);
ERRPRINT("fs_rstat - ENTER:\n");
if (ns == NULL || node == NULL ||stbuf == NULL) {
result = ENOENT;
goto exit;
}
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = ENOENT;
goto exit;
}
if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY) {
// Directory
stbuf->st_mode = FS_DIR_MODE;
na = ntfs_attr_open(ni, AT_INDEX_ALLOCATION, NTFS_INDEX_I30, 4);
if (na) {
stbuf->st_size = na->data_size;
stbuf->st_blocks = na->allocated_size >> 9;
ntfs_attr_close(na);
}
stbuf->st_nlink = 1;
} else {
static char *search_absolute(ntfs_volume *vol, ntfschar *path,
int count, BOOL isdir)
{
ntfs_inode *ni;
u64 inum;
char *target;
int start;
int len;
target = (char*)NULL; /* default return */
ni = ntfs_inode_open(vol, (MFT_REF)FILE_root);
if (ni) {
start = 0;
do {
len = 0;
while (((start + len) < count)
&& (path[start + len] != const_cpu_to_le16('\\')))
len++;
inum = ntfs_fix_file_name(ni, &path[start], len);
ntfs_inode_close(ni);
ni = (ntfs_inode*)NULL;
if (inum != (u64)-1) {
inum = MREF(inum);
ni = ntfs_inode_open(vol, inum);
start += len;
if (start < count)
path[start++] = const_cpu_to_le16('/');
}
} while (ni
&& (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)
&& (start < count));
if (ni
&& (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY ? isdir : !isdir))
if (ntfs_ucstombs(path, count, &target, 0) < 0) {
if (target) {
free(target);
target = (char*)NULL;
}
}
if (ni)
ntfs_inode_close(ni);
}
return (target);
}
status_t
fs_open_attrib_dir(fs_volume *_vol, fs_vnode *_node, void **_cookie)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
attrdircookie *cookie = NULL;
ntfs_inode *ni = NULL;
ntfs_attr_search_ctx *ctx = NULL;
status_t result = B_NO_ERROR;
TRACE("%s - ENTER\n", __FUNCTION__);
LOCK_VOL(ns);
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
ctx = ntfs_attr_get_search_ctx(ni, NULL);
if (ctx == NULL) {
result = errno;
goto exit;
}
cookie = (attrdircookie*)ntfs_calloc(sizeof(attrdircookie));
if (cookie == NULL) {
result = ENOMEM;
goto exit;
}
cookie->inode = ni;
cookie->ctx = ctx;
ni = NULL;
ctx = NULL;
*_cookie = cookie;
exit:
if (ctx)
ntfs_attr_put_search_ctx(ctx);
if (ni)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
status_t
fs_opendir(fs_volume *_vol, fs_vnode *_node, void** _cookie)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
dircookie *cookie = NULL;
int result = B_NO_ERROR;
ntfs_inode *ni = NULL;
LOCK_VOL(ns);
TRACE("fs_opendir - ENTER\n");
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = ENOENT;
goto exit;
}
if (!(ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)) {
result = EMFILE;
goto exit;
}
cookie = (dircookie*)ntfs_calloc(sizeof(dircookie));
if (cookie != NULL) {
cookie->pos = 0;
cookie->ino = 0;
cookie->readed = 0;
cookie->last = 0;
cookie->name[0] = 0;
cookie->show_sys_files = ns->show_sys_files;
*_cookie = (void*)cookie;
} else
result = ENOMEM;
exit:
if (ni)
ntfs_inode_close(ni);
TRACE("fs_opendir - EXIT\n");
UNLOCK_VOL(ns);
return result;
}
/**
* main - Begin here
*
* Start from here.
*
* Return: 0 Success, the program worked
* 1 Error, something went wrong
*/
int main(int argc, char *argv[])
{
ntfs_volume *vol;
ntfs_inode *inode;
ATTR_TYPES attr;
int result = 1;
ntfs_log_set_handler(ntfs_log_handler_stderr);
if (!parse_options(argc, argv))
return 1;
utils_set_locale();
vol = utils_mount_volume(opts.device, MS_RDONLY |
(opts.force ? MS_RECOVER : 0));
if (!vol) {
ntfs_log_perror("ERROR: couldn't mount volume");
return 1;
}
if (opts.inode != -1)
inode = ntfs_inode_open(vol, opts.inode);
else
inode = ntfs_pathname_to_inode(vol, NULL, opts.file);
if (!inode) {
ntfs_log_perror("ERROR: Couldn't open inode");
return 1;
}
attr = AT_DATA;
if (opts.attr != cpu_to_le32(-1))
attr = opts.attr;
result = cat(vol, inode, attr, opts.attr_name, opts.attr_name_len);
ntfs_inode_close(inode);
ntfs_umount(vol, FALSE);
return result;
}
/* Restore the timestamps on the NTFS inode corresponding to @inode. */
static int
ntfs_3g_restore_timestamps(ntfs_volume *vol, const struct wim_inode *inode)
{
ntfs_inode *ni;
int res;
ni = ntfs_inode_open(vol, inode->i_mft_no);
if (!ni)
goto fail;
res = ntfs_3g_set_timestamps(ni, inode);
if (ntfs_inode_close(ni) || res)
goto fail;
return 0;
fail:
ERROR_WITH_ERRNO("Failed to update timestamps of \"%s\" in NTFS volume",
dentry_full_path(inode_first_extraction_dentry(inode)));
return WIMLIB_ERR_SET_TIMESTAMPS;
}
status_t
fs_get_vnode_name(fs_volume *_vol, fs_vnode *_vnode, char *buffer,
size_t bufferSize)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_vnode->private_node;
ntfs_inode *ni = NULL;
status_t result = B_NO_ERROR;
char path[MAX_PATH];
char *name;
LOCK_VOL(ns);
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = ENOENT;
goto exit;
}
if (utils_inode_get_name(ni, path, MAX_PATH) == 0) {
result = EINVAL;
goto exit;
}
name = strrchr(path, '/');
name++;
strlcpy(buffer, name, bufferSize);
exit:
if (ni)
ntfs_inode_close(ni);
UNLOCK_VOL(ns);
return result;
}
status_t
fs_read_attrib_stat(fs_volume *_vol, fs_vnode *_node, void *_cookie,
struct stat *stat)
{
nspace *ns = (nspace *)_vol->private_volume;
vnode *node = (vnode *)_node->private_node;
attrcookie *cookie = (attrcookie *)_cookie;
ntfs_inode *ni = NULL;
ntfs_attr *na = NULL;
status_t result = B_NO_ERROR;
LOCK_VOL(ns);
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, cookie->uname, cookie->uname_len);
if (na == NULL) {
result = errno;
goto exit;
}
stat->st_type = cookie->type;
stat->st_size = na ? na->data_size - sizeof(uint32) : 0;
exit:
if (na != NULL)
ntfs_attr_close(na);
if (ni != NULL)
ntfs_inode_close(ni);
UNLOCK_VOL(ns);
return B_NO_ERROR;
}
status_t
fs_open_attrib(fs_volume *_vol, fs_vnode *_node, const char *name,
int openMode, void **_cookie)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
attrcookie *cookie = NULL;
ntfschar *uname = NULL;
int ulen;
ntfs_inode *ni = NULL;
ntfs_attr *na = NULL;
status_t result = B_NO_ERROR;
TRACE("%s - ENTER\n", __FUNCTION__);
LOCK_VOL(ns);
if (node == NULL) {
result = EINVAL;
goto exit;
}
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
// UXA demangling TODO
// check for EA first... TODO: WRITEME
// check for a named stream
if (true) {
uname = ntfs_calloc(MAX_PATH);
ulen = ntfs_mbstoucs(name, &uname);
if (ulen < 0) {
result = EILSEQ;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (na) {
if (openMode & O_TRUNC) {
if (ntfs_attr_truncate(na, 0))
result = errno;
}
} else {
result = ENOENT;
goto exit;
}
}
cookie = (attrcookie*)ntfs_calloc(sizeof(attrcookie));
if (cookie != NULL) {
cookie->omode = openMode;
*_cookie = (void*)cookie;
cookie->inode = ni;
cookie->stream = na;
ni = NULL;
na = NULL;
} else
result = ENOMEM;
exit:
if (uname)
free(uname);
if (na)
ntfs_attr_close(na);
if (ni)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
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);
}
/**
* main - Begin here
*
* Start from here.
*
* Return: 0 Success, the program worked
* 1 Error, something went wrong
*/
int main(int argc, char *argv[])
{
u8 *pfx_buf;
char *password;
ntfs_rsa_private_key rsa_key;
ntfs_volume *vol;
ntfs_inode *inode;
ntfs_fek *fek;
unsigned pfx_size;
int res;
NTFS_DF_TYPES df_type;
char thumbprint[NTFS_SHA1_THUMBPRINT_SIZE];
#ifdef DEBUG
ntfs_log_set_handler(ntfs_log_handler_stderr);
#endif
if (!parse_options(argc, argv))
return 1;
utils_set_locale();
/* Initialize crypto in ntfs. */
if (ntfs_crypto_init()) {
ntfs_log_error("Failed to initialize crypto. Aborting.\n");
return 1;
}
/* Load the PKCS#12 (.pfx) file containing the user's private key. */
if (ntfs_pkcs12_load_pfxfile(opts.keyfile, &pfx_buf, &pfx_size)) {
ntfs_log_error("Failed to load key file. Aborting.\n");
ntfs_crypto_deinit();
return 1;
}
/* Ask the user for their password. */
password = getpass("Enter the password with which the private key was "
"encrypted: ");
if (!password) {
ntfs_log_perror("Failed to obtain user password");
free(pfx_buf);
ntfs_crypto_deinit();
return 1;
}
/* Obtain the user's private RSA key from the key file. */
rsa_key = ntfs_pkcs12_extract_rsa_key(pfx_buf, pfx_size, password,
thumbprint, sizeof(thumbprint), &df_type);
/* Destroy the password. */
memset(password, 0, strlen(password));
/* No longer need the pfx file contents. */
free(pfx_buf);
if (!rsa_key) {
ntfs_log_error("Failed to extract the private RSA key.\n");
ntfs_crypto_deinit();
return 1;
}
/* Mount the ntfs volume. */
vol = utils_mount_volume(opts.device, NTFS_MNT_RDONLY |
(opts.force ? NTFS_MNT_RECOVER : 0));
if (!vol) {
ntfs_log_error("Failed to mount ntfs volume. Aborting.\n");
ntfs_rsa_private_key_release(rsa_key);
ntfs_crypto_deinit();
return 1;
}
/* Open the encrypted ntfs file. */
if (opts.inode != -1)
inode = ntfs_inode_open(vol, opts.inode);
else
inode = ntfs_pathname_to_inode(vol, NULL, opts.file);
if (!inode) {
ntfs_log_error("Failed to open encrypted file. Aborting.\n");
ntfs_umount(vol, FALSE);
ntfs_rsa_private_key_release(rsa_key);
ntfs_crypto_deinit();
return 1;
}
/* Obtain the file encryption key of the encrypted file. */
fek = ntfs_inode_fek_get(inode, rsa_key, thumbprint,
sizeof(thumbprint), df_type);
ntfs_rsa_private_key_release(rsa_key);
if (fek) {
res = ntfs_cat_decrypt(inode, fek);
ntfs_fek_release(fek);
} else {
ntfs_log_error("Failed to obtain file encryption key. "
"Aborting.\n");
res = 1;
}
ntfs_inode_close(inode);
ntfs_umount(vol, FALSE);
ntfs_crypto_deinit();
return res;
}
status_t
fs_remove_attrib(fs_volume *_vol, fs_vnode *_node, const char* name)
{
nspace *ns = (nspace *)_vol->private_volume;
vnode *node = (vnode *)_node->private_node;
char ntfs_attr_name[MAX_PATH]={0};
ntfschar *uname = NULL;
int ulen;
ntfs_inode *ni = NULL;
status_t result = B_NO_ERROR;
TRACE("%s - ENTER - name: [%s]\n", __FUNCTION__, name);
if (ns->flags & B_FS_IS_READONLY) {
ERROR("ntfs is read-only\n");
return B_READ_ONLY_DEVICE;
}
LOCK_VOL(ns);
if (node == NULL) {
result = EINVAL;
goto exit;
}
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
strcat(ntfs_attr_name, kHaikuAttrPrefix);
strcat(ntfs_attr_name, name);
uname = ntfs_calloc(MAX_PATH);
ulen = ntfs_mbstoucs(ntfs_attr_name, &uname);
if (ulen < 0) {
result = EILSEQ;
goto exit;
}
if (ntfs_attr_remove(ni, AT_DATA, uname, ulen)) {
result = ENOENT;
goto exit;
}
if (!(ni->flags & FILE_ATTR_ARCHIVE)) {
ni->flags |= FILE_ATTR_ARCHIVE;
NInoFileNameSetDirty(ni);
}
notify_attribute_changed(ns->id, MREF(ni->mft_no), name, B_ATTR_REMOVED);
exit:
if (uname != NULL)
free(uname);
if (ni != NULL)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
status_t
fs_write_attrib(fs_volume *_vol, fs_vnode *_node, void *_cookie, off_t pos,
const void *buffer, size_t *_length)
{
nspace *ns = (nspace *)_vol->private_volume;
vnode *node = (vnode *)_node->private_node;
attrcookie *cookie = (attrcookie *)_cookie;
ntfs_inode *ni = NULL;
ntfs_attr *na = NULL;
size_t size = *_length;
char *attr_name = NULL;
char *real_name = NULL;
int total = 0;
status_t result = B_NO_ERROR;
TRACE("%s - ENTER vnode: %d\n", __FUNCTION__, node->vnid);
if (ns->flags & B_FS_IS_READONLY) {
return B_READ_ONLY_DEVICE;
}
if (pos < 0) {
*_length = 0;
return EINVAL;
}
LOCK_VOL(ns);
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, cookie->uname, cookie->uname_len);
if (na == NULL) {
result = errno;
goto exit;
}
pos += sizeof(uint32);
// it is a named stream
if (na != NULL) {
if (cookie->omode & O_APPEND)
pos = na->data_size;
if (pos + size > na->data_size) {
ntfs_mark_free_space_outdated(ns);
if (ntfs_attr_truncate(na, pos + size))
size = na->data_size - pos;
else
notify_stat_changed(ns->id, MREF(ni->mft_no), B_STAT_SIZE);
}
while (size) {
off_t bytesWritten = ntfs_attr_pwrite(na, pos, size, buffer);
if (bytesWritten < (s64)size)
ERROR("%s - ntfs_attr_pwrite returned less bytes than "
"requested.\n", __FUNCTION__);
if (bytesWritten <= 0) {
ERROR("%s - ntfs_attr_pwrite()<=0\n", __FUNCTION__);
*_length = 0;
result = EINVAL;
goto exit;
}
size -= bytesWritten;
pos += bytesWritten;
total += bytesWritten;
}
*_length = total;
} else {
*_length = 0;
result = EINVAL;
goto exit;
}
if (ntfs_ucstombs(na->name, na->name_len, &attr_name, 0) >= 0) {
if (attr_name != NULL) {
if(strncmp(attr_name, kHaikuAttrPrefix, strlen(kHaikuAttrPrefix)) !=0 )
goto exit;
real_name = attr_name + strlen(kHaikuAttrPrefix);
notify_attribute_changed(ns->id, MREF(ni->mft_no),
real_name, B_ATTR_CHANGED);
free(attr_name);
}
}
exit:
if (na != NULL)
ntfs_attr_close(na);
if (ni != NULL)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
status_t
fs_readdir(fs_volume *_vol, fs_vnode *_node, void *_cookie, struct dirent *buf,
size_t bufsize, uint32 *num)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
dircookie *cookie = (dircookie*)_cookie;
uint32 nameLength = bufsize - sizeof(struct dirent), realLen;
int result = B_NO_ERROR;
ntfs_inode *ni = NULL;
LOCK_VOL(ns);
TRACE("fs_readdir - ENTER (sizeof(buf)=%d, bufsize=%d, num=%d\n",
sizeof(buf), bufsize, *num);
if (!ns || !node || !cookie || !num || bufsize < sizeof(buf)) {
result = EINVAL;
goto exit;
}
if (cookie->readed == 1 || cookie->last == 1) {
result = ENOENT;
goto exit;
}
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
ERROR("fs_readdir - dir not opened\n");
result = ENOENT;
goto exit;
}
result = ntfs_readdir(ni, &cookie->pos, cookie,
(ntfs_filldir_t)_ntfs_dirent_filler);
realLen = nameLength > 255 ? 255 : nameLength;
buf->d_dev = ns->id;
buf->d_ino = cookie->ino;
strlcpy(buf->d_name, cookie->name, realLen + 1);
buf->d_reclen = sizeof(struct dirent) + realLen;
if (result == 0)
cookie->last = 1;
result = B_NO_ERROR;
TRACE("fs_readdir - FILE: [%s]\n",buf->d_name);
exit:
if (ni)
ntfs_inode_close(ni);
if (result == B_NO_ERROR)
*num = 1;
else
*num = 0;
if (result == ENOENT)
result = B_NO_ERROR;
TRACE("fs_readdir - EXIT result (%s)\n", strerror(result));
UNLOCK_VOL(ns);
return result;
}
status_t
fs_open_attrib(fs_volume *_vol, fs_vnode *_node, const char *name,
int openMode, void **_cookie)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *node = (vnode*)_node->private_node;
attrcookie *cookie = NULL;
ntfschar *uname = NULL;
int ulen;
ntfs_inode *ni = NULL;
ntfs_attr *na = NULL;
status_t result = B_NO_ERROR;
uint32 type = B_XATTR_TYPE;
TRACE("%s - ENTER - name: [%s] vnid: %d\n", __FUNCTION__, name, node->vnid);
LOCK_VOL(ns);
if (node == NULL) {
result = EINVAL;
goto exit;
}
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
// UXA demangling TODO
// check for EA first... TODO: WRITEME
// check for a named stream
if (true) {
char ntfs_attr_name[MAX_PATH] = {0};
strcat(ntfs_attr_name, kHaikuAttrPrefix);
strcat(ntfs_attr_name, name);
uname = ntfs_calloc(MAX_PATH);
ulen = ntfs_mbstoucs(ntfs_attr_name, &uname);
if (ulen < 0) {
result = EILSEQ;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (na != NULL) {
if (openMode & O_TRUNC) {
if (ns->flags & B_FS_IS_READONLY) {
result = B_READ_ONLY_DEVICE;
goto exit;
} else {
if (ntfs_attr_truncate(na, sizeof(uint32))) {
result = errno;
goto exit;
}
}
}
if (ntfs_attr_pread(na, 0, sizeof(uint32), &type) != sizeof(uint32)) {
result = errno;
goto exit;
}
} else {
result = ENOENT;
goto exit;
}
}
cookie = (attrcookie*)ntfs_calloc(sizeof(attrcookie));
if (cookie != NULL) {
cookie->omode = openMode;
cookie->vnid = node->vnid;
cookie->uname = uname;
cookie->uname_len = ulen;
cookie->type = type;
*_cookie = (void*)cookie;
uname = NULL;
} else
result = ENOMEM;
exit:
if (uname != NULL)
free(uname);
if (na != NULL)
ntfs_attr_close(na);
if (ni != NULL)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
/**
* ntfs_inode_sync_file_name - update FILE_NAME attributes
* @ni: ntfs inode to update FILE_NAME attributes
*
* Update all FILE_NAME attributes for inode @ni in the index.
*
* Return 0 on success or -1 on error with errno set to the error code.
*/
static int ntfs_inode_sync_file_name(ntfs_inode *ni, ntfs_inode *dir_ni)
{
ntfs_attr_search_ctx *ctx = NULL;
ntfs_index_context *ictx;
ntfs_inode *index_ni;
FILE_NAME_ATTR *fn;
FILE_NAME_ATTR *fnx;
REPARSE_POINT *rpp;
le32 reparse_tag;
int err = 0;
ntfs_log_trace("Entering for inode %lld\n", (long long)ni->mft_no);
ctx = ntfs_attr_get_search_ctx(ni, NULL);
if (!ctx) {
err = errno;
goto err_out;
}
/* Collect the reparse tag, if any */
reparse_tag = cpu_to_le32(0);
if (ni->flags & FILE_ATTR_REPARSE_POINT) {
if (!ntfs_attr_lookup(AT_REPARSE_POINT, NULL,
0, CASE_SENSITIVE, 0, NULL, 0, ctx)) {
rpp = (REPARSE_POINT*)((u8 *)ctx->attr +
le16_to_cpu(ctx->attr->value_offset));
reparse_tag = rpp->reparse_tag;
}
ntfs_attr_reinit_search_ctx(ctx);
}
/* Walk through all FILE_NAME attributes and update them. */
while (!ntfs_attr_lookup(AT_FILE_NAME, NULL, 0, 0, 0, NULL, 0, ctx)) {
fn = (FILE_NAME_ATTR *)((u8 *)ctx->attr +
le16_to_cpu(ctx->attr->value_offset));
if (MREF_LE(fn->parent_directory) == ni->mft_no) {
/*
* WARNING: We cheat here and obtain 2 attribute
* search contexts for one inode (first we obtained
* above, second will be obtained inside
* ntfs_index_lookup), it's acceptable for library,
* but will deadlock in the kernel.
*/
index_ni = ni;
} else
if (dir_ni)
index_ni = dir_ni;
else
index_ni = ntfs_inode_open(ni->vol,
le64_to_cpu(fn->parent_directory));
if (!index_ni) {
if (!err)
err = errno;
ntfs_log_perror("Failed to open inode %lld with index",
(long long)le64_to_cpu(fn->parent_directory));
continue;
}
ictx = ntfs_index_ctx_get(index_ni, NTFS_INDEX_I30, 4);
if (!ictx) {
if (!err)
err = errno;
ntfs_log_perror("Failed to get index ctx, inode %lld",
(long long)index_ni->mft_no);
if ((ni != index_ni) && !dir_ni
&& ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
if (ntfs_index_lookup(fn, sizeof(FILE_NAME_ATTR), ictx)) {
if (!err) {
if (errno == ENOENT)
err = EIO;
else
err = errno;
}
ntfs_log_perror("Index lookup failed, inode %lld",
(long long)index_ni->mft_no);
ntfs_index_ctx_put(ictx);
if (ni != index_ni && ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
/* Update flags and file size. */
fnx = (FILE_NAME_ATTR *)ictx->data;
fnx->file_attributes =
(fnx->file_attributes & ~FILE_ATTR_VALID_FLAGS) |
(ni->flags & FILE_ATTR_VALID_FLAGS);
if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)
fnx->data_size = fnx->allocated_size
= const_cpu_to_le64(0);
else {
fnx->allocated_size = cpu_to_sle64(ni->allocated_size);
fnx->data_size = cpu_to_sle64(ni->data_size);
/*
* The file name record has also to be fixed if some
* attribute update implied the unnamed data to be
* made non-resident
*/
fn->allocated_size = fnx->allocated_size;
}
/* update or clear the reparse tag in the index */
fnx->reparse_point_tag = reparse_tag;
if (!test_nino_flag(ni, TimesSet)) {
fnx->creation_time = ni->creation_time;
fnx->last_data_change_time = ni->last_data_change_time;
fnx->last_mft_change_time = ni->last_mft_change_time;
fnx->last_access_time = ni->last_access_time;
} else {
fnx->creation_time = fn->creation_time;
fnx->last_data_change_time = fn->last_data_change_time;
fnx->last_mft_change_time = fn->last_mft_change_time;
fnx->last_access_time = fn->last_access_time;
}
ntfs_index_entry_mark_dirty(ictx);
ntfs_index_ctx_put(ictx);
if ((ni != index_ni) && !dir_ni
&& ntfs_inode_close(index_ni) && !err)
err = errno;
}
/* Check for real error occurred. */
if (errno != ENOENT) {
err = errno;
ntfs_log_perror("Attribute lookup failed, inode %lld",
(long long)ni->mft_no);
goto err_out;
}
ntfs_attr_put_search_ctx(ctx);
if (err) {
errno = err;
return -1;
}
return 0;
err_out:
if (ctx)
ntfs_attr_put_search_ctx(ctx);
errno = err;
return -1;
}
status_t
fs_read_vnode(fs_volume *_vol, ino_t vnid, fs_vnode *_node, int *_type,
uint32 *_flags, bool reenter)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *newNode = NULL;
ntfs_inode *ni = NULL;
status_t result = B_NO_ERROR;
if (!reenter)
LOCK_VOL(ns);
ERRPRINT("fs_read_vnode - ENTER\n");
_node->private_node = NULL;
_node->ops = &gNTFSVnodeOps;
_flags = 0;
newNode = (vnode*)ntfs_calloc(sizeof(vnode));
if (newNode != NULL) {
char *name = NULL;
ni = ntfs_inode_open(ns->ntvol, vnid);
if (ni == NULL) {
result = ENOENT;
goto exit;
}
// get the node type
result = get_node_type(ni, _type);
if (result != B_OK)
goto exit;
newNode->vnid = vnid;
newNode->parent_vnid = ntfs_get_parent_ref(ni);
if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY)
set_mime(newNode, ".***");
else {
name = (char*)malloc(MAX_PATH);
if (name != NULL) {
if (utils_inode_get_name(ni, name,MAX_PATH) == 1)
set_mime(newNode, name);
free(name);
}
}
_node->private_node = newNode;
} else
result = ENOMEM;
exit:
if (ni != NULL)
ntfs_inode_close(ni);
if (result != B_OK && newNode != NULL)
free(newNode);
ERRPRINT("fs_read_vnode - EXIT, result is %s\n", strerror(result));
if (!reenter)
UNLOCK_VOL(ns);
return result;
}
/**
* ntfs_inode_sync_file_name - update FILE_NAME attributes
* @ni: ntfs inode to update FILE_NAME attributes
*
* Update all FILE_NAME attributes for inode @ni in the index.
*
* Return 0 on success or -1 on error with errno set to the error code.
*/
static int ntfs_inode_sync_file_name(ntfs_inode *ni)
{
ntfs_attr_search_ctx *ctx = NULL;
ntfs_index_context *ictx;
ntfs_inode *index_ni;
FILE_NAME_ATTR *fn;
int err = 0;
ntfs_log_trace("Entering for inode %lld\n", (long long)ni->mft_no);
ctx = ntfs_attr_get_search_ctx(ni, NULL);
if (!ctx) {
err = errno;
goto err_out;
}
/* Walk through all FILE_NAME attributes and update them. */
while (!ntfs_attr_lookup(AT_FILE_NAME, NULL, 0, 0, 0, NULL, 0, ctx)) {
fn = (FILE_NAME_ATTR *)((u8 *)ctx->attr +
le16_to_cpu(ctx->attr->value_offset));
if (MREF_LE(fn->parent_directory) == ni->mft_no) {
/*
* WARNING: We cheat here and obtain 2 attribute
* search contexts for one inode (first we obtained
* above, second will be obtained inside
* ntfs_index_lookup), it's acceptable for library,
* but will deadlock in the kernel.
*/
index_ni = ni;
} else
index_ni = ntfs_inode_open(ni->vol,
le64_to_cpu(fn->parent_directory));
if (!index_ni) {
if (!err)
err = errno;
ntfs_log_perror("Failed to open inode %lld with index",
(long long)le64_to_cpu(fn->parent_directory));
continue;
}
ictx = ntfs_index_ctx_get(index_ni, NTFS_INDEX_I30, 4);
if (!ictx) {
if (!err)
err = errno;
ntfs_log_perror("Failed to get index ctx, inode %lld",
(long long)index_ni->mft_no);
if (ni != index_ni && ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
if (ntfs_index_lookup(fn, sizeof(FILE_NAME_ATTR), ictx)) {
if (!err) {
if (errno == ENOENT)
err = EIO;
else
err = errno;
}
ntfs_log_perror("Index lookup failed, inode %lld",
(long long)index_ni->mft_no);
ntfs_index_ctx_put(ictx);
if (ni != index_ni && ntfs_inode_close(index_ni) && !err)
err = errno;
continue;
}
/* Update flags and file size. */
fn = (FILE_NAME_ATTR *)ictx->data;
fn->file_attributes =
(fn->file_attributes & ~FILE_ATTR_VALID_FLAGS) |
(ni->flags & FILE_ATTR_VALID_FLAGS);
fn->allocated_size = cpu_to_sle64(ni->allocated_size);
fn->data_size = cpu_to_sle64(ni->data_size);
if (test_nino_flag(ni, TimesDirty)) {
fn->creation_time = utc2ntfs(ni->creation_time);
fn->last_data_change_time = utc2ntfs(ni->last_data_change_time);
fn->last_mft_change_time = utc2ntfs(ni->last_mft_change_time);
fn->last_access_time = utc2ntfs(ni->last_access_time);
}
ntfs_index_entry_mark_dirty(ictx);
ntfs_index_ctx_put(ictx);
if ((ni != index_ni) && ntfs_inode_close(index_ni) && !err)
err = errno;
}
/* Check for real error occurred. */
if (errno != ENOENT) {
err = errno;
ntfs_log_perror("Attribute lookup failed, inode %lld",
(long long)ni->mft_no);
goto err_out;
}
ntfs_attr_put_search_ctx(ctx);
if (err) {
errno = err;
return -1;
}
return 0;
err_out:
if (ctx)
ntfs_attr_put_search_ctx(ctx);
errno = err;
return -1;
}
static int ntfs_copy(disk_t *disk_car, const partition_t *partition, dir_data_t *dir_data, const file_info_t *file)
{
const unsigned long int first_inode=file->st_ino;
ntfs_inode *inode;
struct ntfs_dir_struct *ls=(struct ntfs_dir_struct*)dir_data->private_dir_data;
inode = ntfs_inode_open (ls->vol, first_inode);
if (!inode) {
log_error("ntfs_copy: ntfs_inode_open failed for %s\n", dir_data->current_directory);
return -1;
}
{
char *buffer;
char *new_file;
ntfs_attr *attr=NULL;
FILE *f_out;
char *stream_name;
s64 offset;
u32 block_size;
buffer = (char *)MALLOC(bufsize);
if (!buffer)
{
ntfs_inode_close(inode);
return -2;
}
stream_name=strrchr(dir_data->current_directory, ':');
if(stream_name)
stream_name++;
if(stream_name != NULL)
{
ntfschar *stream_name_ucs=NULL;
#ifdef NTFS_MBSTOUCS_HAVE_TWO_ARGUMENTS
const int len=ntfs_mbstoucs(stream_name, &stream_name_ucs);
#else
const int len=ntfs_mbstoucs(stream_name, &stream_name_ucs, 0);
#endif
if(len < 0)
log_error("ntfs_mbstoucs failed\n");
else
attr = ntfs_attr_open(inode, AT_DATA, stream_name_ucs, len);
}
else
attr = ntfs_attr_open(inode, AT_DATA, NULL, 0);
if (!attr)
{
log_error("Cannot find attribute type 0x%lx.\n", (long) AT_DATA);
free(buffer);
ntfs_inode_close(inode);
return -3;
}
if ((inode->mft_no < 2) && (attr->type == AT_DATA))
block_size = ls->vol->mft_record_size;
else if (attr->type == AT_INDEX_ALLOCATION)
block_size = index_get_size(inode);
else
block_size = 0;
#if defined(__CYGWIN__) || defined(__MINGW32__)
if(stream_name)
{
/* fopen() create normal files instead of ADS with ':' replaced by an UTF char
* replace ':' by '_' instead */
stream_name--;
*stream_name='_';
f_out=fopen_local(&new_file, dir_data->local_dir, dir_data->current_directory);
}
else
f_out=fopen_local(&new_file, dir_data->local_dir, dir_data->current_directory);
#else
f_out=fopen_local(&new_file, dir_data->local_dir, dir_data->current_directory);
#endif
if(!f_out)
{
log_critical("Can't create file %s: %s\n",new_file, strerror(errno));
free(new_file);
ntfs_attr_close(attr);
free(buffer);
ntfs_inode_close(inode);
return -4;
}
offset = 0;
for (;;)
{
s64 bytes_read, written;
if (block_size > 0) {
// These types have fixup
bytes_read = ntfs_attr_mst_pread(attr, offset, 1, block_size, buffer);
bytes_read *= block_size;
} else {
bytes_read = ntfs_attr_pread(attr, offset, bufsize, buffer);
}
//ntfs_log_info("read %lld bytes\n", bytes_read);
if (bytes_read < 0) {
log_error("ERROR: Couldn't read file");
break;
}
if (!bytes_read)
break;
written = fwrite(buffer, 1, bytes_read, f_out);
if (written != bytes_read)
{
log_error("ERROR: Couldn't output all data!");
break;
}
offset += bytes_read;
}
fclose(f_out);
set_date(new_file, file->td_atime, file->td_mtime);
free(new_file);
ntfs_attr_close(attr);
free(buffer);
}
/* Finished with the inode; release it. */
ntfs_inode_close(inode);
return 0;
}
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);
}
status_t
fs_read_attrib(fs_volume *_vol, fs_vnode *_node, void *_cookie, off_t pos,
void *buffer, size_t *len)
{
nspace *ns = (nspace *)_vol->private_volume;
vnode *node = (vnode *)_node->private_node;
attrcookie *cookie = (attrcookie *)_cookie;
ntfs_inode *ni = NULL;
ntfs_attr *na = NULL;
size_t size = *len;
int total = 0;
status_t result = B_NO_ERROR;
if (pos < 0) {
*len = 0;
return EINVAL;
}
LOCK_VOL(ns);
TRACE("%s - ENTER vnid: %d\n", __FUNCTION__, node->vnid);
ni = ntfs_inode_open(ns->ntvol, node->vnid);
if (ni == NULL) {
result = errno;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, cookie->uname, cookie->uname_len);
if (na == NULL) {
result = errno;
goto exit;
}
pos += sizeof(uint32);
// it is a named stream
if (na != NULL) {
if (pos + size > na->data_size)
size = na->data_size - pos;
while (size) {
off_t bytesRead = ntfs_attr_pread(na, pos, size, buffer);
if (bytesRead < (s64)size) {
ERROR("ntfs_attr_pread returned less bytes than "
"requested.\n");
}
if (bytesRead <= 0) {
*len = 0;
result = EINVAL;
goto exit;
}
size -= bytesRead;
pos += bytesRead;
total += bytesRead;
}
*len = total;
} else {
*len = 0;
result = ENOENT; // TODO
}
exit:
if (na != NULL)
ntfs_attr_close(na);
if (ni != NULL)
ntfs_inode_close(ni);
TRACE("%s - EXIT, result is %s\n", __FUNCTION__, strerror(result));
UNLOCK_VOL(ns);
return result;
}
status_t
fs_walk(fs_volume *_vol, fs_vnode *_dir, const char *file, ino_t *vnid)
{
nspace *ns = (nspace*)_vol->private_volume;
vnode *baseNode = (vnode*)_dir->private_node;
vnode *newNode = NULL;
ntfschar *unicode = NULL;
ntfs_inode *bi = NULL;
status_t result = B_NO_ERROR;
int len;
LOCK_VOL(ns);
ERRPRINT("fs_walk - ENTER : find for \"%s\"\n",file);
if (ns == NULL || _dir == NULL || file == NULL || vnid == NULL) {
result = EINVAL;
goto exit;
}
if (!strcmp(file, ".")) {
*vnid = baseNode->vnid;
if (get_vnode(_vol, *vnid, (void**)&newNode) != 0)
result = ENOENT;
} else if (!strcmp(file, "..") && baseNode->vnid != FILE_root) {
*vnid = baseNode->parent_vnid;
if (get_vnode(_vol, *vnid, (void**)&newNode) != 0)
result = ENOENT;
} else {
unicode = ntfs_calloc(MAX_PATH);
len = ntfs_mbstoucs(file, &unicode);
if (len < 0) {
result = EILSEQ;
goto exit;
}
bi = ntfs_inode_open(ns->ntvol, baseNode->vnid);
if (!bi) {
result = ENOENT;
goto exit;
}
*vnid = MREF(ntfs_inode_lookup_by_name(bi, unicode, len));
ERRPRINT("fs_walk - VNID = %d\n",*vnid);
ntfs_inode_close(bi);
free(unicode);
if (*vnid == (u64)-1) {
result = EINVAL;
goto exit;
}
if (get_vnode(_vol, *vnid, (void**)&newNode) != 0)
result = ENOENT;
if (newNode!=NULL)
newNode->parent_vnid = baseNode->vnid;
}
exit:
ERRPRINT("fs_walk - EXIT, result is %s\n", strerror(result));
UNLOCK_VOL(ns);
return result;
}
/**
* ntfs_td_list_entry
* FIXME: Should we print errors as we go along? (AIA)
*/
static int ntfs_td_list_entry( struct ntfs_dir_struct *ls, const ntfschar *name,
const int name_len, const int name_type, const s64 pos,
const MFT_REF mref, const unsigned dt_type)
{
int result = 0;
char *filename;
ntfs_inode *ni;
ntfs_attr_search_ctx *ctx_si = NULL;
file_info_t *new_file=NULL;
/* Keep FILE_NAME_WIN32 and FILE_NAME_POSIX */
if ((name_type & FILE_NAME_WIN32_AND_DOS) == FILE_NAME_DOS)
return 0;
filename = (char *)calloc (1, MAX_PATH);
if (!filename)
{
log_critical("ntfs_td_list_entry calloc failed\n");
return -1;
}
#ifdef HAVE_ICONV
if (ntfs_ucstoutf8(ls->cd, name, name_len, &filename, MAX_PATH) < 0 &&
ntfs_ucstombs (name, name_len, &filename, MAX_PATH) < 0) {
log_error("Cannot represent filename in current locale.\n");
goto freefn;
}
#else
if (ntfs_ucstombs (name, name_len, &filename, MAX_PATH) < 0) {
log_error("Cannot represent filename in current locale.\n");
goto freefn;
}
#endif
result = 0; /* These are successful */
if ((ls->dir_data->param & FLAG_LIST_SYSTEM)!=FLAG_LIST_SYSTEM &&
MREF(mref) < FILE_first_user && filename[0] == '$') /* Hide system file */
goto freefn;
result = -1; /* Everything else is bad */
ni = ntfs_inode_open(ls->vol, mref);
if (!ni)
goto freefn;
new_file=(file_info_t*)MALLOC(sizeof(*new_file));
new_file->status=0;
new_file->st_ino=MREF(mref);
new_file->st_uid=0;
new_file->st_gid=0;
ctx_si = ntfs_attr_get_search_ctx(ni, ni->mrec);
if (ctx_si)
{
if (ntfs_attr_lookup(AT_STANDARD_INFORMATION, AT_UNNAMED, 0, CASE_SENSITIVE, 0, NULL, 0, ctx_si)==0)
{
const ATTR_RECORD *attr = ctx_si->attr;
const STANDARD_INFORMATION *si = (const STANDARD_INFORMATION*)((const char*)attr +
le16_to_cpu(attr->value_offset));
if(si)
{
new_file->td_atime=td_ntfs2utc(sle64_to_cpu(si->last_access_time));
new_file->td_mtime=td_ntfs2utc(sle64_to_cpu(si->last_data_change_time));
new_file->td_ctime=td_ntfs2utc(sle64_to_cpu(si->creation_time));
}
}
ntfs_attr_put_search_ctx(ctx_si);
}
{
ATTR_RECORD *rec;
int first=1;
ntfs_attr_search_ctx *ctx = NULL;
if (dt_type == NTFS_DT_DIR)
{
new_file->name=strdup(filename);
new_file->st_mode = LINUX_S_IFDIR| LINUX_S_IRUGO | LINUX_S_IXUGO;
new_file->st_size=0;
td_list_add_tail(&new_file->list, &ls->dir_list->list);
first=0;
}
ctx = ntfs_attr_get_search_ctx(ni, ni->mrec);
/* A file has always an unnamed date stream and
* may have named alternate data streams (ADS) */
while((rec = find_attribute(AT_DATA, ctx)))
{
const s64 filesize = ntfs_get_attribute_value_length(ctx->attr);
if(rec->name_length &&
(ls->dir_data->param & FLAG_LIST_ADS)!=FLAG_LIST_ADS)
continue;
if(first==0)
{
const file_info_t *old_file=new_file;
new_file=(file_info_t *)MALLOC(sizeof(*new_file));
memcpy(new_file, old_file, sizeof(*new_file));
}
new_file->st_mode = LINUX_S_IFREG | LINUX_S_IRUGO;
new_file->st_size=filesize;
if (rec->name_length)
{
char *stream_name=NULL;
new_file->status=FILE_STATUS_ADS;
new_file->name = (char *)MALLOC(MAX_PATH);
if (ntfs_ucstombs((ntfschar *) ((char *) rec + le16_to_cpu(rec->name_offset)),
rec->name_length, &stream_name, 0) < 0)
{
log_error("ERROR: Cannot translate name into current locale.\n");
snprintf(new_file->name, MAX_PATH, "%s:???", filename);
}
else
{
snprintf(new_file->name, MAX_PATH, "%s:%s", filename, stream_name);
}
free(stream_name);
}
else
{
new_file->name=strdup(filename);
}
td_list_add_tail(&new_file->list, &ls->dir_list->list);
first=0;
}
ntfs_attr_put_search_ctx(ctx);
if(first)
{
free(new_file);
}
}
result = 0;
/* close the inode. */
ntfs_inode_close(ni);
freefn:
free (filename);
return result;
}
