/* Create empty named data streams.
*
* Since these won't have 'struct wim_lookup_table_entry's, they won't show up
* in the call to extract_stream_list(). Hence the need for the special case.
*/
static int
ntfs_3g_create_any_empty_ads(ntfs_inode *ni, const struct wim_inode *inode,
const struct ntfs_3g_apply_ctx *ctx)
{
for (u16 i = 0; i < inode->i_num_ads; i++) {
const struct wim_ads_entry *entry;
entry = &inode->i_ads_entries[i];
/* Not named? */
if (!entry->stream_name_nbytes)
continue;
/* Not empty? */
if (entry->lte)
continue;
if (ntfs_attr_add(ni, AT_DATA, entry->stream_name,
entry->stream_name_nbytes /
sizeof(utf16lechar),
NULL, 0))
{
ERROR_WITH_ERRNO("Failed to create named data stream "
"of \"%s\"", dentry_full_path(
inode_first_extraction_dentry(inode)));
return WIMLIB_ERR_NTFS_3G;
}
}
return 0;
}
static int add_object_id(ntfs_inode *ni, int flags)
{
int res;
u8 dummy;
res = -1; /* default return */
if (!ntfs_attr_exist(ni,AT_OBJECT_ID, AT_UNNAMED,0)) {
if (!(flags & XATTR_REPLACE)) {
/*
* no object id attribute : add one,
* apparently, this does not feed the new value in
* Note : NTFS version must be >= 3
*/
if (ni->vol->major_ver >= 3) {
res = ntfs_attr_add(ni, AT_OBJECT_ID,
AT_UNNAMED, 0, &dummy, (s64)0);
NInoSetDirty(ni);
} else
errno = ENOTSUP;
} else
errno = ENODATA;
} else {
if (flags & XATTR_CREATE)
errno = EEXIST;
else
res = 0;
}
return (res);
}
static int ntfs_ibm_add(ntfs_index_context *icx)
{
u8 bmp[8];
ntfs_log_trace("Entering\n");
if (ntfs_attr_exist(icx->ni, AT_BITMAP, icx->name, icx->name_len))
return STATUS_OK;
/*
* AT_BITMAP must be at least 8 bytes.
*/
memset(bmp, 0, sizeof(bmp));
if (ntfs_attr_add(icx->ni, AT_BITMAP, icx->name, icx->name_len,
bmp, sizeof(bmp))) {
ntfs_log_perror("Failed to add AT_BITMAP");
return STATUS_ERROR;
}
return STATUS_OK;
}
static int ntfs_ia_add(ntfs_index_context *icx)
{
ntfs_log_trace("Entering\n");
if (ntfs_ibm_add(icx))
return -1;
if (!ntfs_attr_exist(icx->ni, AT_INDEX_ALLOCATION, icx->name, icx->name_len)) {
if (ntfs_attr_add(icx->ni, AT_INDEX_ALLOCATION, icx->name,
icx->name_len, NULL, 0)) {
ntfs_log_perror("Failed to add AT_INDEX_ALLOCATION");
return -1;
}
}
icx->ia_na = ntfs_ia_open(icx, icx->ni);
if (!icx->ia_na)
return -1;
return 0;
}
status_t
fs_create_attrib(fs_volume *_vol, fs_vnode *_node, const char* name,
uint32 type, 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;
ERROR("%s - inode_open: %s\n", __FUNCTION__, strerror(result));
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;
ERROR("%s - mb alloc: %s\n", __FUNCTION__, strerror(result));
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (na) {
result = EEXIST;
ERROR("%s - ntfs_attr_open: %s\n", __FUNCTION__,
strerror(result));
goto exit;
}
//if (ntfs_non_resident_attr_record_add(ni, AT_DATA, uname, ulen, 0, 32,
// 0) < 0) {
if (ntfs_attr_add(ni, AT_DATA, uname, ulen, NULL, 0) < 0) {
result = errno;
//ERROR("%s - ntfs_non_resident_attr_record_add: %s\n",
ERROR("%s - ntfs_attr_add: %s\n", __FUNCTION__, strerror(result));
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (!na) {
result = errno;
ERROR("%s - ntfs_attr_open: %s\n", __FUNCTION__,
strerror(result));
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;
}
bool ntfsSetVolumeName (const char *name, const char *volumeName)
{
ntfs_vd *vd = NULL;
ntfs_attr *na = NULL;
ntfschar *ulabel = NULL;
int ulabel_len;
// Sanity check
if (!name) {
errno = EINVAL;
return false;
}
// Get the devices volume descriptor
vd = ntfsGetVolume(name);
if (!vd) {
errno = ENODEV;
return false;
}
// Lock
ntfsLock(vd);
// Convert the new volume name to unicode
ulabel_len = ntfsLocalToUnicode(volumeName, &ulabel) * sizeof(ntfschar);
if (ulabel_len < 0) {
ntfsUnlock(vd);
errno = EINVAL;
return false;
}
// Check if the volume name attribute exists
na = ntfs_attr_open(vd->vol->vol_ni, AT_VOLUME_NAME, NULL, 0);
if (na) {
// It does, resize it to match the length of the new volume name
if (ntfs_attr_truncate(na, ulabel_len)) {
ntfs_free(ulabel);
ntfsUnlock(vd);
return false;
}
// Write the new volume name
if (ntfs_attr_pwrite(na, 0, ulabel_len, ulabel) != ulabel_len) {
ntfs_free(ulabel);
ntfsUnlock(vd);
return false;
}
} else {
// It doesn't, create it now
if (ntfs_attr_add(vd->vol->vol_ni, AT_VOLUME_NAME, NULL, 0, (u8*)ulabel, ulabel_len)) {
ntfs_free(ulabel);
ntfsUnlock(vd);
return false;
}
}
// Reset the volumes name cache (as it has now been changed)
vd->name[0] = '\0';
// Close the volume name attribute
if (na)
ntfs_attr_close(na);
// Sync the volume node
if (ntfs_inode_sync(vd->vol->vol_ni)) {
ntfs_free(ulabel);
ntfsUnlock(vd);
return false;
}
// Clean up
ntfs_free(ulabel);
// Unlock
ntfsUnlock(vd);
return true;
}
status_t
fs_create_attrib(fs_volume *_vol, fs_vnode *_node, const char* name,
uint32 type, 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;
if (ns->flags & B_FS_IS_READONLY) {
return B_READ_ONLY_DEVICE;
}
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;
TRACE("%s - inode_open: %s\n", __FUNCTION__, strerror(result));
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;
TRACE("%s - mb alloc: %s\n", __FUNCTION__, strerror(result));
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (na != NULL) {
if (ntfs_attr_truncate(na, 0)) {
result = errno;
goto exit;
}
} else {
if (ntfs_attr_add(ni, AT_DATA, uname, ulen, NULL, 0) < 0) {
result = errno;
TRACE("%s - ntfs_attr_add: %s\n", __FUNCTION__,
strerror(result));
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, uname, ulen);
if (na == NULL) {
result = errno;
TRACE("%s - ntfs_attr_open: %s\n", __FUNCTION__,
strerror(result));
goto exit;
}
}
if(ntfs_attr_pwrite(na, 0, sizeof(uint32), &type) < 0 ) {
result = errno;
goto exit;
}
}
cookie = (attrcookie*)ntfs_calloc(sizeof(attrcookie));
if (cookie != NULL) {
cookie->omode = openMode;
*_cookie = (void*)cookie;
cookie->vnid = node->vnid;
cookie->uname = uname;
cookie->uname_len = ulen;
cookie->type = type;
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;
}
int ntfs_sd_add_everyone(ntfs_inode *ni)
{
SECURITY_DESCRIPTOR_ATTR *sd;
ACL *acl;
ACCESS_ALLOWED_ACE *ace;
SID *sid;
int ret, sd_len;
/* Create SECURITY_DESCRIPTOR attribute (everyone has full access). */
/*
* Calculate security descriptor length. We have 2 sub-authorities in
* owner and group SIDs, but structure SID contain only one, so add
* 4 bytes to every SID.
*/
sd_len = sizeof(SECURITY_DESCRIPTOR_ATTR) + 2 * (sizeof(SID) + 4) +
sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE);
sd = ntfs_calloc(sd_len);
if (!sd)
return -1;
sd->revision = 1;
sd->control = SE_DACL_PRESENT | SE_SELF_RELATIVE;
sid = (SID *)((u8 *)sd + sizeof(SECURITY_DESCRIPTOR_ATTR));
sid->revision = 1;
sid->sub_authority_count = 2;
sid->sub_authority[0] = cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] = cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
sid->identifier_authority.value[5] = 5;
sd->owner = cpu_to_le32((u8 *)sid - (u8 *)sd);
sid = (SID *)((u8 *)sid + sizeof(SID) + 4);
sid->revision = 1;
sid->sub_authority_count = 2;
sid->sub_authority[0] = cpu_to_le32(SECURITY_BUILTIN_DOMAIN_RID);
sid->sub_authority[1] = cpu_to_le32(DOMAIN_ALIAS_RID_ADMINS);
sid->identifier_authority.value[5] = 5;
sd->group = cpu_to_le32((u8 *)sid - (u8 *)sd);
acl = (ACL *)((u8 *)sid + sizeof(SID) + 4);
acl->revision = 2;
acl->size = cpu_to_le16(sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE));
acl->ace_count = cpu_to_le16(1);
sd->dacl = cpu_to_le32((u8 *)acl - (u8 *)sd);
ace = (ACCESS_ALLOWED_ACE *)((u8 *)acl + sizeof(ACL));
ace->type = ACCESS_ALLOWED_ACE_TYPE;
ace->flags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
ace->size = cpu_to_le16(sizeof(ACCESS_ALLOWED_ACE));
ace->mask = cpu_to_le32(0x1f01ff); /* FIXME */
ace->sid.revision = 1;
ace->sid.sub_authority_count = 1;
ace->sid.sub_authority[0] = 0;
ace->sid.identifier_authority.value[5] = 1;
ret = ntfs_attr_add(ni, AT_SECURITY_DESCRIPTOR, AT_UNNAMED, 0, (u8 *)sd,
sd_len);
if (ret)
ntfs_log_perror("Failed to add SECURITY_DESCRIPTOR\n");
free(sd);
return ret;
}
int ntfs_set_ntfs_reparse_data(ntfs_inode *ni,
const char *value, size_t size, int flags)
{
int res;
u8 dummy;
ntfs_inode *xrni;
ntfs_index_context *xr;
res = 0;
if (ni && valid_reparse_data(ni, (const REPARSE_POINT*)value, size)) {
xr = open_reparse_index(ni->vol);
if (xr) {
if (!ntfs_attr_exist(ni,AT_REPARSE_POINT,
AT_UNNAMED,0)) {
if (!(flags & XATTR_REPLACE)) {
/*
* no reparse data attribute : add one,
* apparently, this does not feed the new value in
* Note : NTFS version must be >= 3
*/
if (ni->vol->major_ver >= 3) {
res = ntfs_attr_add(ni,
AT_REPARSE_POINT,
AT_UNNAMED,0,&dummy,
(s64)0);
if (!res) {
ni->flags |=
FILE_ATTR_REPARSE_POINT;
NInoFileNameSetDirty(ni);
}
NInoSetDirty(ni);
} else {
errno = EOPNOTSUPP;
res = -1;
}
} else {
errno = ENODATA;
res = -1;
}
} else {
if (flags & XATTR_CREATE) {
errno = EEXIST;
res = -1;
}
}
if (!res) {
/* update value and index */
res = update_reparse_data(ni,xr,value,size);
}
xrni = xr->ni;
ntfs_index_entry_mark_dirty(xr);
NInoSetDirty(xrni);
ntfs_index_ctx_put(xr);
ntfs_inode_close(xrni);
} else {
res = -1;
}
} else {
errno = EINVAL;
res = -1;
}
return (res ? -1 : 0);
}