2020-10-21 08:22:33 +08:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2020, Microsoft Corporation.
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*
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* Author(s): Steve French <stfrench@microsoft.com>
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* David Howells <dhowells@redhat.com>
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*/
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#ifndef _FS_CONTEXT_H
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#define _FS_CONTEXT_H
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2020-10-21 08:37:11 +08:00
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#include <linux/parser.h>
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#include "cifsglob.h"
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2020-10-21 08:22:33 +08:00
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2020-10-21 10:10:44 +08:00
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enum smb_version {
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Smb_1 = 1,
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Smb_20,
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Smb_21,
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Smb_30,
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Smb_302,
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Smb_311,
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Smb_3any,
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Smb_default,
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Smb_version_err
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};
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2020-12-10 13:07:12 +08:00
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int cifs_parse_smb_version(char *value, struct smb3_fs_context *ctx, bool is_smb3);
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2020-10-21 10:10:44 +08:00
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2020-10-21 09:30:35 +08:00
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enum {
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Opt_cache_loose,
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Opt_cache_strict,
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Opt_cache_none,
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Opt_cache_ro,
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Opt_cache_rw,
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Opt_cache_err
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};
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2020-12-10 13:07:12 +08:00
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int cifs_parse_cache_flavor(char *value, struct smb3_fs_context *ctx);
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2020-10-21 09:30:35 +08:00
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2020-10-21 08:37:11 +08:00
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enum cifs_sec_param {
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Opt_sec_krb5,
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Opt_sec_krb5i,
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Opt_sec_krb5p,
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Opt_sec_ntlmsspi,
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Opt_sec_ntlmssp,
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Opt_ntlm,
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Opt_sec_ntlmi,
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Opt_sec_ntlmv2,
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Opt_sec_ntlmv2i,
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Opt_sec_lanman,
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Opt_sec_none,
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2020-10-21 08:22:33 +08:00
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2020-10-21 08:37:11 +08:00
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Opt_sec_err
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};
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2020-12-10 13:07:12 +08:00
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struct smb3_fs_context {
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bool uid_specified;
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bool gid_specified;
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bool sloppy;
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char *nodename;
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bool got_ip;
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bool got_version;
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unsigned short port;
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char *username;
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char *password;
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char *domainname;
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char *UNC;
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char *iocharset; /* local code page for mapping to and from Unicode */
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char source_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* clnt nb name */
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char target_rfc1001_name[RFC1001_NAME_LEN_WITH_NULL]; /* srvr nb name */
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kuid_t cred_uid;
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kuid_t linux_uid;
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kgid_t linux_gid;
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kuid_t backupuid;
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kgid_t backupgid;
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umode_t file_mode;
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umode_t dir_mode;
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enum securityEnum sectype; /* sectype requested via mnt opts */
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bool sign; /* was signing requested via mnt opts? */
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bool ignore_signature:1;
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bool retry:1;
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bool intr:1;
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bool setuids:1;
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bool setuidfromacl:1;
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bool override_uid:1;
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bool override_gid:1;
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bool dynperm:1;
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bool noperm:1;
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bool nodelete:1;
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bool mode_ace:1;
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bool no_psx_acl:1; /* set if posix acl support should be disabled */
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bool cifs_acl:1;
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bool backupuid_specified; /* mount option backupuid is specified */
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bool backupgid_specified; /* mount option backupgid is specified */
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bool no_xattr:1; /* set if xattr (EA) support should be disabled*/
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bool server_ino:1; /* use inode numbers from server ie UniqueId */
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bool direct_io:1;
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bool strict_io:1; /* strict cache behavior */
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bool cache_ro:1;
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bool cache_rw:1;
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bool remap:1; /* set to remap seven reserved chars in filenames */
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bool sfu_remap:1; /* remap seven reserved chars ala SFU */
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bool posix_paths:1; /* unset to not ask for posix pathnames. */
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bool no_linux_ext:1;
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bool linux_ext:1;
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bool sfu_emul:1;
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bool nullauth:1; /* attempt to authenticate with null user */
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bool nocase:1; /* request case insensitive filenames */
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bool nobrl:1; /* disable sending byte range locks to srv */
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bool nohandlecache:1; /* disable caching dir handles if srvr probs */
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bool mand_lock:1; /* send mandatory not posix byte range lock reqs */
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bool seal:1; /* request transport encryption on share */
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bool nodfs:1; /* Do not request DFS, even if available */
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bool local_lease:1; /* check leases only on local system, not remote */
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bool noblocksnd:1;
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bool noautotune:1;
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bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
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bool no_lease:1; /* disable requesting leases */
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bool fsc:1; /* enable fscache */
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bool mfsymlinks:1; /* use Minshall+French Symlinks */
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bool multiuser:1;
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bool rwpidforward:1; /* pid forward for read/write operations */
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bool nosharesock:1;
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bool persistent:1;
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bool nopersistent:1;
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bool resilient:1; /* noresilient not required since not fored for CA */
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bool domainauto:1;
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bool rdma:1;
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bool multichannel:1;
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bool use_client_guid:1;
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/* reuse existing guid for multichannel */
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u8 client_guid[SMB2_CLIENT_GUID_SIZE];
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unsigned int bsize;
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unsigned int rsize;
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unsigned int wsize;
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unsigned int min_offload;
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bool sockopt_tcp_nodelay:1;
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unsigned long actimeo; /* attribute cache timeout (jiffies) */
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struct smb_version_operations *ops;
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struct smb_version_values *vals;
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char *prepath;
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struct sockaddr_storage dstaddr; /* destination address */
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struct sockaddr_storage srcaddr; /* allow binding to a local IP */
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struct nls_table *local_nls;
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unsigned int echo_interval; /* echo interval in secs */
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__u64 snapshot_time; /* needed for timewarp tokens */
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__u32 handle_timeout; /* persistent and durable handle timeout in ms */
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unsigned int max_credits; /* smb3 max_credits 10 < credits < 60000 */
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unsigned int max_channels;
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__u16 compression; /* compression algorithm 0xFFFF default 0=disabled */
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bool rootfs:1; /* if it's a SMB root file system */
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};
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int cifs_parse_security_flavors(char *value, struct smb3_fs_context *ctx);
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2020-10-21 08:22:33 +08:00
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2020-10-21 08:37:11 +08:00
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#endif
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