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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020, Microsoft Corporation.
*
* Author(s): Steve French <stfrench@microsoft.com>
* David Howells <dhowells@redhat.com>
*/
#ifndef _FS_CONTEXT_H
#define _FS_CONTEXT_H
#include <linux/parser.h>
#include "cifsglob.h"
enum smb_version {
Smb_1 = 1,
Smb_20,
Smb_21,
Smb_30,
Smb_302,
Smb_311,
Smb_3any,
Smb_default,
Smb_version_err
};
int cifs_parse_smb_version(char *value, struct smb3_fs_context *ctx, bool is_smb3);
enum {
Opt_cache_loose,
Opt_cache_strict,
Opt_cache_none,
Opt_cache_ro,
Opt_cache_rw,
Opt_cache_err
};
int cifs_parse_cache_flavor(char *value, struct smb3_fs_context *ctx);
enum cifs_sec_param {
Opt_sec_krb5,
Opt_sec_krb5i,
Opt_sec_krb5p,
Opt_sec_ntlmsspi,
Opt_sec_ntlmssp,
Opt_ntlm,
Opt_sec_ntlmi,
Opt_sec_ntlmv2,
Opt_sec_ntlmv2i,
Opt_sec_lanman,
Opt_sec_none,
Opt_sec_err
};
struct smb3_fs_context {
bool uid_specified;
bool gid_specified;
bool sloppy;
char *nodename;
bool got_ip;
bool got_version;
unsigned short port;
char *username;
char *password;
char *domainname;
char *UNC;
char *iocharset; /* local code page for mapping to and from Unicode */
char source_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* clnt nb name */
char target_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* srvr nb name */
kuid_t cred_uid;
kuid_t linux_uid;
kgid_t linux_gid;
kuid_t backupuid;
kgid_t backupgid;
umode_t file_mode;
umode_t dir_mode;
enum securityEnum sectype; /* sectype requested via mnt opts */
bool sign; /* was signing requested via mnt opts? */
bool ignore_signature:1;
bool retry:1;
bool intr:1;
bool setuids:1;
bool setuidfromacl:1;
bool override_uid:1;
bool override_gid:1;
bool dynperm:1;
bool noperm:1;
bool nodelete:1;
bool mode_ace:1;
bool no_psx_acl:1; /* set if posix acl support should be disabled */
bool cifs_acl:1;
bool backupuid_specified; /* mount option backupuid is specified */
bool backupgid_specified; /* mount option backupgid is specified */
bool no_xattr:1; /* set if xattr (EA) support should be disabled*/
bool server_ino:1; /* use inode numbers from server ie UniqueId */
bool direct_io:1;
bool strict_io:1; /* strict cache behavior */
bool cache_ro:1;
bool cache_rw:1;
bool remap:1; /* set to remap seven reserved chars in filenames */
bool sfu_remap:1; /* remap seven reserved chars ala SFU */
bool posix_paths:1; /* unset to not ask for posix pathnames. */
bool no_linux_ext:1;
bool linux_ext:1;
bool sfu_emul:1;
bool nullauth:1; /* attempt to authenticate with null user */
bool nocase:1; /* request case insensitive filenames */
bool nobrl:1; /* disable sending byte range locks to srv */
bool nohandlecache:1; /* disable caching dir handles if srvr probs */
bool mand_lock:1; /* send mandatory not posix byte range lock reqs */
bool seal:1; /* request transport encryption on share */
bool nodfs:1; /* Do not request DFS, even if available */
bool local_lease:1; /* check leases only on local system, not remote */
bool noblocksnd:1;
bool noautotune:1;
bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
bool no_lease:1; /* disable requesting leases */
bool fsc:1; /* enable fscache */
bool mfsymlinks:1; /* use Minshall+French Symlinks */
bool multiuser:1;
bool rwpidforward:1; /* pid forward for read/write operations */
bool nosharesock:1;
bool persistent:1;
bool nopersistent:1;
bool resilient:1; /* noresilient not required since not fored for CA */
bool domainauto:1;
bool rdma:1;
bool multichannel:1;
bool use_client_guid:1;
/* reuse existing guid for multichannel */
u8 client_guid[SMB2_CLIENT_GUID_SIZE];
unsigned int bsize;
unsigned int rsize;
unsigned int wsize;
unsigned int min_offload;
bool sockopt_tcp_nodelay:1;
unsigned long actimeo; /* attribute cache timeout (jiffies) */
struct smb_version_operations *ops;
struct smb_version_values *vals;
char *prepath;
struct sockaddr_storage dstaddr; /* destination address */
struct sockaddr_storage srcaddr; /* allow binding to a local IP */
struct nls_table *local_nls;
unsigned int echo_interval; /* echo interval in secs */
__u64 snapshot_time; /* needed for timewarp tokens */
__u32 handle_timeout; /* persistent and durable handle timeout in ms */
unsigned int max_credits; /* smb3 max_credits 10 < credits < 60000 */
unsigned int max_channels;
__u16 compression; /* compression algorithm 0xFFFF default 0=disabled */
bool rootfs:1; /* if it's a SMB root file system */
};
int cifs_parse_security_flavors(char *value, struct smb3_fs_context *ctx);
#endif
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