static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int oplock = 0;
int xid, rc;
__u16 fid;
xid = GetXid();
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return rc;
}
static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int xid, rc;
xid = GetXid();
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
FreeXid(xid);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
return rc;
}
/* Set an ACL on the server */
static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path)
{
struct cifsFileInfo *open_file;
bool unlock_file = false;
int xid;
int rc = -EIO;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
if (!inode)
return rc;
sb = inode->i_sb;
if (sb == NULL)
return rc;
cifs_sb = CIFS_SB(sb);
xid = GetXid();
open_file = find_readable_file(CIFS_I(inode));
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
WRITE_DAC, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to set ACL"));
FreeXid(xid);
return rc;
}
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
if (unlock_file)
atomic_dec(&open_file->wrtPending);
else
CIFSSMBClose(xid, cifs_sb->tcon, fid);
FreeXid(xid);
return rc;
}
/* Set an ACL on the server */
int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path, int aclflag)
{
int oplock = 0;
unsigned int xid;
int rc, access_flags, create_options = 0;
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
struct cifs_fid fid;
struct cifs_open_parms oparms;
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP)
access_flags = WRITE_OWNER;
else
access_flags = WRITE_DAC;
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = access_flags;
oparms.share_access = FILE_SHARE_ALL;
oparms.create_options = create_options;
oparms.disposition = FILE_OPEN;
oparms.path = path;
oparms.fid = &fid;
oparms.reconnect = false;
rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (rc) {
cifs_dbg(VFS, "Unable to open file to set ACL\n");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, tcon, fid.netfid, pnntsd, acllen, aclflag);
cifs_dbg(NOISY, "SetCIFSACL rc = %d\n", rc);
CIFSSMBClose(xid, tcon, fid.netfid);
out:
free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int xid, rc;
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
xid = GetXid();
rc = CIFSSMBSetCIFSACL(xid, tlink_tcon(tlink), fid, pnntsd, acllen);
FreeXid(xid);
cifs_put_tlink(tlink);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
return rc;
}
/* Set an ACL on the server */
int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path, int aclflag)
{
int oplock = 0;
unsigned int xid;
int rc, access_flags, create_options = 0;
__u16 fid;
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP)
access_flags = WRITE_OWNER;
else
access_flags = WRITE_DAC;
rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags,
create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, tcon, fid, pnntsd, acllen, aclflag);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, tcon, fid);
out:
free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
