static void ncp_init_root(struct ncp_server *server,
struct ncpfs_inode_info *info)
{
struct ncp_inode_info *root = &(server->root);
struct nw_info_struct *i = &(root->finfo.i);
unsigned short dummy;
DPRINTK(KERN_DEBUG "ncp_init_root: i = %x\n", (int) i);
i->attributes = aDIR;
i->dataStreamSize= 1024;
i->dirEntNum = 0;
i->DosDirNum = 0;
i->volNumber = NCP_NUMBER_OF_VOLUMES + 1; /* illegal volnum */
ncp_date_unix2dos(0, &(i->creationTime), &(i->creationDate));
ncp_date_unix2dos(0, &(i->modifyTime ), &(i->modifyDate));
ncp_date_unix2dos(0, &(dummy ), &(i->lastAccessDate));
i->creationTime = le16_to_cpu(i->creationTime);
i->creationDate = le16_to_cpu(i->creationDate);
i->modifyTime = le16_to_cpu(i->modifyTime);
i->modifyDate = le16_to_cpu(i->modifyDate);
i->lastAccessDate= le16_to_cpu(i->lastAccessDate);
i->nameLen = 0;
i->entryName[0] = '\0';
root->finfo.opened= 0;
info->ino = 2; /* tradition */
info->nw_info = root->finfo;
return;
}
int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
int result = 0;
__le32 info_mask;
struct nw_modify_dos_info info;
struct ncp_server *server;
result = -EIO;
lock_kernel();
server = NCP_SERVER(inode);
if ((!server) || !ncp_conn_valid(server))
goto out;
/* ageing the dentry to force validation */
ncp_age_dentry(server, dentry);
result = inode_change_ok(inode, attr);
if (result < 0)
goto out;
result = -EPERM;
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != server->m.uid)))
goto out;
if (((attr->ia_valid & ATTR_GID) &&
(attr->ia_gid != server->m.gid)))
goto out;
if (((attr->ia_valid & ATTR_MODE) &&
(attr->ia_mode &
~(S_IFREG | S_IFDIR | S_IRWXUGO))))
goto out;
info_mask = 0;
memset(&info, 0, sizeof(info));
#if 1
if ((attr->ia_valid & ATTR_MODE) != 0)
{
umode_t newmode = attr->ia_mode;
info_mask |= DM_ATTRIBUTES;
if (S_ISDIR(inode->i_mode)) {
newmode &= server->m.dir_mode;
} else {
#ifdef CONFIG_NCPFS_EXTRAS
if (server->m.flags & NCP_MOUNT_EXTRAS) {
/* any non-default execute bit set */
if (newmode & ~server->m.file_mode & S_IXUGO)
info.attributes |= aSHARED | aSYSTEM;
/* read for group/world and not in default file_mode */
else if (newmode & ~server->m.file_mode & S_IRUGO)
info.attributes |= aSHARED;
} else
#endif
newmode &= server->m.file_mode;
}
if (newmode & S_IWUGO)
info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
else
info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
#ifdef CONFIG_NCPFS_NFS_NS
if (ncp_is_nfs_extras(server, NCP_FINFO(inode)->volNumber)) {
result = ncp_modify_nfs_info(server,
NCP_FINFO(inode)->volNumber,
NCP_FINFO(inode)->dirEntNum,
attr->ia_mode, 0);
if (result != 0)
goto out;
info.attributes &= ~(aSHARED | aSYSTEM);
{
/* mark partial success */
struct iattr tmpattr;
tmpattr.ia_valid = ATTR_MODE;
tmpattr.ia_mode = attr->ia_mode;
result = inode_setattr(inode, &tmpattr);
if (result)
goto out;
}
}
#endif
}
#endif
/* Do SIZE before attributes, otherwise mtime together with size does not work...
*/
if ((attr->ia_valid & ATTR_SIZE) != 0) {
int written;
DPRINTK("ncpfs: trying to change size to %ld\n",
attr->ia_size);
if ((result = ncp_make_open(inode, O_WRONLY)) < 0) {
result = -EACCES;
goto out;
}
ncp_write_kernel(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle,
attr->ia_size, 0, "", &written);
/* According to ndir, the changes only take effect after
closing the file */
ncp_inode_close(inode);
result = ncp_make_closed(inode);
if (result)
goto out;
{
struct iattr tmpattr;
tmpattr.ia_valid = ATTR_SIZE;
tmpattr.ia_size = attr->ia_size;
result = inode_setattr(inode, &tmpattr);
if (result)
goto out;
}
}
if ((attr->ia_valid & ATTR_CTIME) != 0) {
info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE);
ncp_date_unix2dos(attr->ia_ctime.tv_sec,
&info.creationTime, &info.creationDate);
}
if ((attr->ia_valid & ATTR_MTIME) != 0) {
info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE);
ncp_date_unix2dos(attr->ia_mtime.tv_sec,
&info.modifyTime, &info.modifyDate);
}
if ((attr->ia_valid & ATTR_ATIME) != 0) {
__le16 dummy;
info_mask |= (DM_LAST_ACCESS_DATE);
ncp_date_unix2dos(attr->ia_atime.tv_sec,
&dummy, &info.lastAccessDate);
}
if (info_mask != 0) {
result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode),
inode, info_mask, &info);
if (result != 0) {
result = -EACCES;
if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) {
/* NetWare seems not to allow this. I
do not know why. So, just tell the
user everything went fine. This is
a terrible hack, but I do not know
how to do this correctly. */
result = 0;
} else
goto out;
}
#ifdef CONFIG_NCPFS_STRONG
if ((!result) && (info_mask & DM_ATTRIBUTES))
NCP_FINFO(inode)->nwattr = info.attributes;
#endif
}
if (!result)
result = inode_setattr(inode, attr);
out:
unlock_kernel();
return result;
}
static int
ncp_notify_change(struct inode *inode, struct iattr *attr)
{
int result = 0;
int info_mask;
struct nw_modify_dos_info info;
if (!ncp_conn_valid(NCP_SERVER(inode)))
{
return -EIO;
}
if ((result = inode_change_ok(inode, attr)) < 0)
return result;
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != NCP_SERVER(inode)->m.uid)))
return -EPERM;
if (((attr->ia_valid & ATTR_GID) &&
(attr->ia_uid != NCP_SERVER(inode)->m.gid)))
return -EPERM;
if (((attr->ia_valid & ATTR_MODE) &&
(attr->ia_mode &
~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO))))
return -EPERM;
info_mask = 0;
memset(&info, 0, sizeof(info));
if ((attr->ia_valid & ATTR_CTIME) != 0)
{
info_mask |= (DM_CREATE_TIME|DM_CREATE_DATE);
ncp_date_unix2dos(attr->ia_ctime,
&(info.creationTime), &(info.creationDate));
}
if ((attr->ia_valid & ATTR_MTIME) != 0)
{
info_mask |= (DM_MODIFY_TIME|DM_MODIFY_DATE);
ncp_date_unix2dos(attr->ia_mtime,
&(info.modifyTime), &(info.modifyDate));
}
if ((attr->ia_valid & ATTR_ATIME) != 0)
{
__u16 dummy;
info_mask |= (DM_LAST_ACCESS_DATE);
ncp_date_unix2dos(attr->ia_ctime,
&(dummy), &(info.lastAccessDate));
}
if (info_mask != 0)
{
if ((result =
ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode),
NCP_ISTRUCT(inode),
info_mask,
&info)) != 0)
{
result = -EACCES;
if (info_mask == (DM_CREATE_TIME|DM_CREATE_DATE))
{
/* NetWare seems not to allow this. I
do not know why. So, just tell the
user everything went fine. This is
a terrible hack, but I do not know
how to do this correctly. */
result = 0;
}
}
}
if ((attr->ia_valid & ATTR_SIZE) != 0)
{
int written;
DPRINTK("ncpfs: trying to change size of %s to %ld\n",
NCP_ISTRUCT(inode)->entryName, attr->ia_size);
if ((result = ncp_make_open(inode, O_RDWR)) < 0)
{
return -EACCES;
}
ncp_write(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle,
attr->ia_size, 0, "", &written);
/* According to ndir, the changes only take effect after
closing the file */
ncp_close_file(NCP_SERVER(inode),
NCP_FINFO(inode)->file_handle);
NCP_FINFO(inode)->opened = 0;
result = 0;
}
ncp_invalid_dir_cache(NCP_INOP(inode)->dir->inode);
return result;
}
int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
int result = 0;
int info_mask;
struct nw_modify_dos_info info;
result = -EIO;
if (!ncp_conn_valid(NCP_SERVER(inode)))
goto out;
result = inode_change_ok(inode, attr);
if (result < 0)
goto out;
result = -EPERM;
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != NCP_SERVER(inode)->m.uid)))
goto out;
if (((attr->ia_valid & ATTR_GID) &&
(attr->ia_uid != NCP_SERVER(inode)->m.gid)))
goto out;
if (((attr->ia_valid & ATTR_MODE) &&
(attr->ia_mode &
~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO))))
goto out;
info_mask = 0;
memset(&info, 0, sizeof(info));
#if 1
if ((attr->ia_valid & ATTR_MODE) != 0)
{
if (!S_ISREG(inode->i_mode))
{
return -EPERM;
}
else
{
umode_t newmode;
info_mask |= DM_ATTRIBUTES;
newmode=attr->ia_mode;
newmode &= NCP_SERVER(inode)->m.file_mode;
if (newmode & 0222) /* any write bit set */
{
info.attributes &= ~0x60001;
}
else
{
info.attributes |= 0x60001;
}
}
}
#endif
if ((attr->ia_valid & ATTR_CTIME) != 0) {
info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE);
ncp_date_unix2dos(attr->ia_ctime,
&(info.creationTime), &(info.creationDate));
info.creationTime = le16_to_cpu(info.creationTime);
info.creationDate = le16_to_cpu(info.creationDate);
}
if ((attr->ia_valid & ATTR_MTIME) != 0) {
info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE);
ncp_date_unix2dos(attr->ia_mtime,
&(info.modifyTime), &(info.modifyDate));
info.modifyTime = le16_to_cpu(info.modifyTime);
info.modifyDate = le16_to_cpu(info.modifyDate);
}
if ((attr->ia_valid & ATTR_ATIME) != 0) {
__u16 dummy;
info_mask |= (DM_LAST_ACCESS_DATE);
ncp_date_unix2dos(attr->ia_ctime,
&(dummy), &(info.lastAccessDate));
info.lastAccessDate = le16_to_cpu(info.lastAccessDate);
}
if (info_mask != 0) {
result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode),
inode, info_mask, &info);
if (result != 0) {
result = -EACCES;
if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) {
/* NetWare seems not to allow this. I
do not know why. So, just tell the
user everything went fine. This is
a terrible hack, but I do not know
how to do this correctly. */
result = 0;
}
}
}
if ((attr->ia_valid & ATTR_SIZE) != 0) {
int written;
DPRINTK(KERN_DEBUG "ncpfs: trying to change size to %ld\n",
attr->ia_size);
if ((result = ncp_make_open(inode, O_RDWR)) < 0) {
return -EACCES;
}
ncp_write(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle,
attr->ia_size, 0, "", &written);
/* According to ndir, the changes only take effect after
closing the file */
result = ncp_make_closed(inode);
}
ncp_invalid_dir_cache(dentry->d_parent->d_inode);
out:
return result;
}
