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Commit f9d095ea authored by Petr Vandrovec's avatar Petr Vandrovec
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Update and fix inode attributes handling in ncpfs.

parent 847cc79c
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Inline Side-by-side
Showing with 83 additions and 129 deletions
fs/ncpfs/inode.c
View file @ f9d095ea
......@@ -99,12 +99,16 @@ extern int ncp_symlink(struct inode*, struct dentry*, const char*);
/*
* Fill in the ncpfs-specific information in the inode.
*/
void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo)
static void ncp_update_dirent(struct inode *inode, struct ncp_entry_info *nwinfo)
{
NCP_FINFO(inode)->DosDirNum = nwinfo->i.DosDirNum;
NCP_FINFO(inode)->dirEntNum = nwinfo->i.dirEntNum;
NCP_FINFO(inode)->volNumber = nwinfo->volume;
}
void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo)
{
ncp_update_dirent(inode, nwinfo);
NCP_FINFO(inode)->nwattr = nwinfo->i.attributes;
NCP_FINFO(inode)->access = nwinfo->access;
memcpy(NCP_FINFO(inode)->file_handle, nwinfo->file_handle,
......@@ -114,68 +118,19 @@ void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo)
NCP_FINFO(inode)->dirEntNum);
}
void ncp_update_inode2(struct inode* inode, struct ncp_entry_info *nwinfo)
static void ncp_update_dates(struct inode *inode, struct nw_info_struct *nwi)
{
struct nw_info_struct *nwi = &nwinfo->i;
struct ncp_server *server = NCP_SERVER(inode);
if (!atomic_read(&NCP_FINFO(inode)->opened)) {
#ifdef CONFIG_NCPFS_STRONG
NCP_FINFO(inode)->nwattr = nwi->attributes;
#endif
if (nwi->attributes & aDIR) {
inode->i_mode = server->m.dir_mode;
inode->i_size = NCP_BLOCK_SIZE;
} else {
inode->i_mode = server->m.file_mode;
inode->i_size = le32_to_cpu(nwi->dataStreamSize);
#ifdef CONFIG_NCPFS_EXTRAS
if ((server->m.flags & (NCP_MOUNT_EXTRAS|NCP_MOUNT_SYMLINKS)) && (nwi->attributes & aSHARED)) {
switch (nwi->attributes & (aHIDDEN|aSYSTEM)) {
case aHIDDEN:
if (server->m.flags & NCP_MOUNT_SYMLINKS) {
if ( /* (inode->i_size >= NCP_MIN_SYMLINK_SIZE)
&& */ (inode->i_size <= NCP_MAX_SYMLINK_SIZE)) {
inode->i_mode = (inode->i_mode & ~S_IFMT) | S_IFLNK;
break;
}
}
/* FALLTHROUGH */
case 0:
if (server->m.flags & NCP_MOUNT_EXTRAS)
inode->i_mode |= 0444;
break;
case aSYSTEM:
if (server->m.flags & NCP_MOUNT_EXTRAS)
inode->i_mode |= (inode->i_mode >> 2) & 0111;
break;
/* case aSYSTEM|aHIDDEN: */
default:
/* reserved combination */
break;
}
}
#endif
}
if (nwi->attributes & aRONLY) inode->i_mode &= ~0222;
}
inode->i_blocks = (inode->i_size + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT;
inode->i_mtime = ncp_date_dos2unix(le16_to_cpu(nwi->modifyTime),
le16_to_cpu(nwi->modifyDate));
inode->i_ctime = ncp_date_dos2unix(le16_to_cpu(nwi->creationTime),
le16_to_cpu(nwi->creationDate));
inode->i_atime = ncp_date_dos2unix(0, le16_to_cpu(nwi->lastAccessDate));
NCP_FINFO(inode)->DosDirNum = nwi->DosDirNum;
NCP_FINFO(inode)->dirEntNum = nwi->dirEntNum;
NCP_FINFO(inode)->volNumber = nwi->volNumber;
inode->i_atime = ncp_date_dos2unix(0,
le16_to_cpu(nwi->lastAccessDate));
}
/*
* Fill in the inode based on the ncp_entry_info structure.
*/
static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
static void ncp_update_attrs(struct inode *inode, struct ncp_entry_info *nwinfo)
{
struct nw_info_struct *nwi = &nwinfo->i;
struct ncp_server *server = NCP_SERVER(inode);
......@@ -203,11 +158,11 @@ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
/* FALLTHROUGH */
case 0:
if (server->m.flags & NCP_MOUNT_EXTRAS)
inode->i_mode |= 0444;
inode->i_mode |= S_IRUGO;
break;
case aSYSTEM:
if (server->m.flags & NCP_MOUNT_EXTRAS)
inode->i_mode |= (inode->i_mode >> 2) & 0111;
inode->i_mode |= (inode->i_mode >> 2) & S_IXUGO;
break;
/* case aSYSTEM|aHIDDEN: */
default:
......@@ -217,7 +172,28 @@ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
}
#endif
}
if (nwi->attributes & aRONLY) inode->i_mode &= ~0222;
if (nwi->attributes & aRONLY) inode->i_mode &= ~S_IWUGO;
}
void ncp_update_inode2(struct inode* inode, struct ncp_entry_info *nwinfo)
{
if (!atomic_read(&NCP_FINFO(inode)->opened)) {
NCP_FINFO(inode)->nwattr = nwinfo->i.attributes;
ncp_update_attrs(inode, nwinfo);
}
ncp_update_dates(inode, &nwinfo->i);
ncp_update_dirent(inode, nwinfo);
}
/*
* Fill in the inode based on the ncp_entry_info structure.
*/
static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
{
struct ncp_server *server = NCP_SERVER(inode);
ncp_update_attrs(inode, nwinfo);
DDPRINTK("ncp_read_inode: inode->i_mode = %u\n", inode->i_mode);
......@@ -227,14 +203,7 @@ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
inode->i_rdev = NODEV;
inode->i_blksize = NCP_BLOCK_SIZE;
inode->i_blocks = (inode->i_size + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT;
inode->i_mtime = ncp_date_dos2unix(le16_to_cpu(nwi->modifyTime),
le16_to_cpu(nwi->modifyDate));
inode->i_ctime = ncp_date_dos2unix(le16_to_cpu(nwi->creationTime),
le16_to_cpu(nwi->creationDate));
inode->i_atime = ncp_date_dos2unix(0,
le16_to_cpu(nwi->lastAccessDate));
ncp_update_dates(inode, &nwinfo->i);
ncp_update_inode(inode, nwinfo);
}
......@@ -659,7 +628,7 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
if (((attr->ia_valid & ATTR_MODE) &&
(attr->ia_mode &
~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO))))
~(S_IFREG | S_IFDIR | S_IRWXUGO))))
goto out;
info_mask = 0;
......@@ -668,58 +637,60 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
#if 1
if ((attr->ia_valid & ATTR_MODE) != 0)
{
if (S_ISDIR(inode->i_mode)) {
umode_t newmode;
umode_t newmode = attr->ia_mode;
info_mask |= DM_ATTRIBUTES;
newmode = attr->ia_mode;
newmode &= NCP_SERVER(inode)->m.dir_mode;
if (newmode & 0222)
info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
else
info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
} else if (!S_ISREG(inode->i_mode))
{
result = -EPERM;
goto out;
}
else
{
umode_t newmode;
#ifdef CONFIG_NCPFS_EXTRAS
int extras;
extras = server->m.flags & NCP_MOUNT_EXTRAS;
#endif
info_mask |= DM_ATTRIBUTES;
newmode=attr->ia_mode;
if (S_ISDIR(inode->i_mode)) {
newmode &= server->m.dir_mode;
} else {
#ifdef CONFIG_NCPFS_EXTRAS
if (!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 & 0222) /* any write bit set */
{
info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
}
if (newmode & S_IWUGO)
info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
else
{
info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT);
}
#ifdef CONFIG_NCPFS_EXTRAS
if (extras) {
if (newmode & 0111) /* any execute bit set */
info.attributes |= aSHARED | aSYSTEM;
/* read for group/world and not in default file_mode */
else if (newmode & ~server->m.file_mode & 0444)
info.attributes |= aSHARED;
}
#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;
}
}
#endif
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);
{
struct iattr tmpattr;
tmpattr.ia_valid = ATTR_SIZE;
tmpattr.ia_size = attr->ia_size;
inode_setattr(inode, &tmpattr);
}
}
if ((attr->ia_valid & ATTR_CTIME) != 0) {
info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE);
ncp_date_unix2dos(attr->ia_ctime,
......@@ -754,33 +725,16 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
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 ((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)
result = vmtruncate(inode, attr->ia_size);
}
inode_setattr(inode, attr);
out:
unlock_kernel();
return result;
......
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