smb3: simplify code by removing CONFIG_CIFS_SMB311
We really, really want to be encouraging use of secure dialects, and SMB3.1.1 offers useful security features, and will soon be the recommended dialect for many use cases. Simplify the code by removing the CONFIG_CIFS_SMB311 ifdef so users don't disable it in the build, and create compatibility and/or security issues with modern servers - many of which have been supporting this dialect for multiple years. Also clarify some of the Kconfig text for cifs.ko about SMB3.1.1 and current supported features in the module. Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French
Родитель
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0fdfef9aa7
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@ -16,24 +16,28 @@ config CIFS
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select CRYPTO_DES
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help
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This is the client VFS module for the SMB3 family of NAS protocols,
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as well as for earlier dialects such as SMB2.1, SMB2 and the
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(including support for the most recent, most secure dialect SMB3.1.1)
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as well as for earlier dialects such as SMB2.1, SMB2 and the older
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Common Internet File System (CIFS) protocol. CIFS was the successor
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to the original dialect, the Server Message Block (SMB) protocol, the
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native file sharing mechanism for most early PC operating systems.
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The SMB3 protocol is supported by most modern operating systems and
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NAS appliances (e.g. Samba, Windows 8, Windows 2012, MacOS).
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The SMB3 protocol is supported by most modern operating systems
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and NAS appliances (e.g. Samba, Windows 10, Windows Server 2016,
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MacOS) and even in the cloud (e.g. Microsoft Azure).
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The older CIFS protocol was included in Windows NT4, 2000 and XP (and
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later) as well by Samba (which provides excellent CIFS and SMB3
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server support for Linux and many other operating systems). Limited
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support for OS/2 and Windows ME and similar very old servers is
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provided as well.
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server support for Linux and many other operating systems). Use of
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dialects older than SMB2.1 is often discouraged on public networks.
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This module also provides limited support for OS/2 and Windows ME
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and similar very old servers.
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The cifs module provides an advanced network file system client
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This module provides an advanced network file system client
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for mounting to SMB3 (and CIFS) compliant servers. It includes
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support for DFS (hierarchical name space), secure per-user
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session establishment via Kerberos or NTLM or NTLMv2,
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safe distributed caching (oplock), optional packet
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session establishment via Kerberos or NTLM or NTLMv2, RDMA
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(smbdirect), advanced security features, per-share encryption,
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directory leases, safe distributed caching (oplock), optional packet
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signing, Unicode and other internationalization improvements.
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In general, the default dialects, SMB3 and later, enable better
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@ -43,7 +47,7 @@ config CIFS
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than SMB3 mounts. SMB2/SMB3 mount options are also
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slightly simpler (compared to CIFS) due to protocol improvements.
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If you need to mount to Samba, Macs or Windows from this machine, say Y.
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If you need to mount to Samba, Azure, Macs or Windows from this machine, say Y.
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config CIFS_STATS
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bool "CIFS statistics"
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@ -201,15 +205,6 @@ config CIFS_NFSD_EXPORT
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help
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Allows NFS server to export a CIFS mounted share (nfsd over cifs)
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config CIFS_SMB311
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bool "SMB3.1.1 network file system support"
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depends on CIFS
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select CRYPTO_SHA512
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help
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This enables support for the newest, and most secure dialect, SMB3.11.
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If unsure, say Y
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config CIFS_SMB_DIRECT
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bool "SMB Direct support (Experimental)"
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depends on CIFS=m && INFINIBAND && INFINIBAND_ADDR_TRANS || CIFS=y && INFINIBAND=y && INFINIBAND_ADDR_TRANS=y
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@ -275,10 +275,9 @@ skip_rdma:
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server->credits, server->dialect);
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if (server->sign)
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seq_printf(m, " signed");
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#ifdef CONFIG_CIFS_SMB311
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if (server->posix_ext_supported)
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seq_printf(m, " posix");
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#endif /* 3.1.1 */
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i++;
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list_for_each(tmp2, &server->smb_ses_list) {
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ses = list_entry(tmp2, struct cifs_ses,
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@ -483,20 +483,12 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
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seq_puts(s, ",persistenthandles");
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else if (tcon->use_resilient)
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seq_puts(s, ",resilienthandles");
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#ifdef CONFIG_CIFS_SMB311
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if (tcon->posix_extensions)
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seq_puts(s, ",posix");
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else if (tcon->unix_ext)
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seq_puts(s, ",unix");
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else
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seq_puts(s, ",nounix");
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#else
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if (tcon->unix_ext)
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seq_puts(s, ",unix");
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else
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seq_puts(s, ",nounix");
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#endif /* SMB311 */
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if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
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seq_puts(s, ",posixpaths");
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if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)
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@ -191,9 +191,7 @@ enum smb_version {
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Smb_21,
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Smb_30,
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Smb_302,
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#ifdef CONFIG_CIFS_SMB311
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Smb_311,
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#endif /* SMB311 */
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Smb_3any,
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Smb_default,
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Smb_version_err
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@ -687,12 +685,10 @@ struct TCP_Server_Info {
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#endif
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unsigned int max_read;
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unsigned int max_write;
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#ifdef CONFIG_CIFS_SMB311
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__le16 cipher_type;
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/* save initital negprot hash */
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__u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
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bool posix_ext_supported;
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#endif /* 3.1.1 */
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struct delayed_work reconnect; /* reconnect workqueue job */
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struct mutex reconnect_mutex; /* prevent simultaneous reconnects */
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unsigned long echo_interval;
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@ -886,9 +882,7 @@ struct cifs_ses {
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__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
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__u8 smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
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__u8 smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
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#ifdef CONFIG_CIFS_SMB311
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__u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
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#endif /* 3.1.1 */
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/*
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* Network interfaces available on the server this session is
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@ -997,9 +991,7 @@ struct cifs_tcon {
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bool seal:1; /* transport encryption for this mounted share */
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bool unix_ext:1; /* if false disable Linux extensions to CIFS protocol
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for this mount even if server would support */
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#ifdef CONFIG_CIFS_SMB311
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bool posix_extensions; /* if true SMB3.11 posix extensions enabled */
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#endif /* CIFS_311 */
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bool local_lease:1; /* check leases (only) on local system not remote */
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bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */
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bool broken_sparse_sup; /* if server or share does not support sparse */
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@ -303,10 +303,8 @@ static const match_table_t cifs_smb_version_tokens = {
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{ Smb_21, SMB21_VERSION_STRING },
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{ Smb_30, SMB30_VERSION_STRING },
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{ Smb_302, SMB302_VERSION_STRING },
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#ifdef CONFIG_CIFS_SMB311
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{ Smb_311, SMB311_VERSION_STRING },
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{ Smb_311, ALT_SMB311_VERSION_STRING },
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#endif /* SMB311 */
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{ Smb_3any, SMB3ANY_VERSION_STRING },
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{ Smb_default, SMBDEFAULT_VERSION_STRING },
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{ Smb_version_err, NULL }
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@ -1219,12 +1217,10 @@ cifs_parse_smb_version(char *value, struct smb_vol *vol, bool is_smb3)
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vol->ops = &smb30_operations; /* currently identical with 3.0 */
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vol->vals = &smb302_values;
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break;
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#ifdef CONFIG_CIFS_SMB311
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case Smb_311:
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vol->ops = &smb311_operations;
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vol->vals = &smb311_values;
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break;
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#endif /* SMB311 */
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case Smb_3any:
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vol->ops = &smb30_operations; /* currently identical with 3.0 */
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vol->vals = &smb3any_values;
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@ -3039,7 +3035,6 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
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}
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}
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#ifdef CONFIG_CIFS_SMB311
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if (volume_info->linux_ext) {
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if (ses->server->posix_ext_supported) {
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tcon->posix_extensions = true;
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@ -3051,7 +3046,6 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
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goto out_fail;
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}
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}
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#endif /* 311 */
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/*
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* BB Do we need to wrap session_mutex around this TCon call and Unix
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@ -4005,11 +3999,9 @@ try_mount_again:
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goto remote_path_check;
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}
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#ifdef CONFIG_CIFS_SMB311
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/* if new SMB3.11 POSIX extensions are supported do not remap / and \ */
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if (tcon->posix_extensions)
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cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS;
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#endif /* SMB3.11 */
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/* tell server which Unix caps we support */
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if (cap_unix(tcon->ses)) {
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@ -4472,11 +4464,10 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
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goto out;
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}
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#ifdef CONFIG_CIFS_SMB311
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/* if new SMB3.11 POSIX extensions are supported do not remap / and \ */
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if (tcon->posix_extensions)
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cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS;
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#endif /* SMB3.11 */
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if (cap_unix(ses))
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reset_cifs_unix_caps(0, tcon, NULL, vol_info);
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@ -1575,14 +1575,12 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode)
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server = tcon->ses->server;
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#ifdef CONFIG_CIFS_SMB311
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if ((server->ops->posix_mkdir) && (tcon->posix_extensions)) {
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rc = server->ops->posix_mkdir(xid, inode, mode, tcon, full_path,
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cifs_sb);
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d_drop(direntry); /* for time being always refresh inode info */
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goto mkdir_out;
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}
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#endif /* SMB311 */
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if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP &
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le64_to_cpu(tcon->fsUnixInfo.Capability))) {
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@ -93,7 +93,6 @@ static const __le16 smb2_rsp_struct_sizes[NUMBER_OF_SMB2_COMMANDS] = {
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/* SMB2_OPLOCK_BREAK */ cpu_to_le16(24)
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};
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#ifdef CONFIG_CIFS_SMB311
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static __u32 get_neg_ctxt_len(struct smb2_sync_hdr *hdr, __u32 len,
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__u32 non_ctxlen)
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{
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@ -127,7 +126,6 @@ static __u32 get_neg_ctxt_len(struct smb2_sync_hdr *hdr, __u32 len,
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/* length of negcontexts including pad from end of sec blob to them */
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return (len - nc_offset) + size_of_pad_before_neg_ctxts;
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}
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#endif /* CIFS_SMB311 */
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int
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smb2_check_message(char *buf, unsigned int len, struct TCP_Server_Info *srvr)
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@ -222,10 +220,9 @@ smb2_check_message(char *buf, unsigned int len, struct TCP_Server_Info *srvr)
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clc_len = smb2_calc_size(buf, srvr);
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#ifdef CONFIG_CIFS_SMB311
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if (shdr->Command == SMB2_NEGOTIATE)
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clc_len += get_neg_ctxt_len(shdr, len, clc_len);
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#endif /* SMB311 */
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if (len != clc_len) {
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cifs_dbg(FYI, "Calculated size %u length %u mismatch mid %llu\n",
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clc_len, len, mid);
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@ -451,15 +448,13 @@ cifs_convert_path_to_utf16(const char *from, struct cifs_sb_info *cifs_sb)
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/* Windows doesn't allow paths beginning with \ */
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if (from[0] == '\\')
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start_of_path = from + 1;
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#ifdef CONFIG_CIFS_SMB311
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/* SMB311 POSIX extensions paths do not include leading slash */
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else if (cifs_sb_master_tlink(cifs_sb) &&
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cifs_sb_master_tcon(cifs_sb)->posix_extensions &&
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(from[0] == '/')) {
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start_of_path = from + 1;
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}
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#endif /* 311 */
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else
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} else
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start_of_path = from;
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to = cifs_strndup_to_utf16(start_of_path, PATH_MAX, &len,
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@ -759,7 +754,6 @@ smb2_handle_cancelled_mid(char *buffer, struct TCP_Server_Info *server)
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return 0;
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}
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#ifdef CONFIG_CIFS_SMB311
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/**
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* smb311_update_preauth_hash - update @ses hash with the packet data in @iov
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*
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@ -821,4 +815,3 @@ smb311_update_preauth_hash(struct cifs_ses *ses, struct kvec *iov, int nvec)
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return 0;
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}
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#endif
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@ -1533,7 +1533,6 @@ smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
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return rc;
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}
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#ifdef CONFIG_CIFS_SMB311
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static int
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smb311_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
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struct kstatfs *buf)
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@ -1564,7 +1563,6 @@ smb311_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
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SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
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return rc;
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}
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#endif /* SMB311 */
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static bool
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smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
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@ -3303,7 +3301,6 @@ struct smb_version_operations smb30_operations = {
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.next_header = smb2_next_header,
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};
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#ifdef CONFIG_CIFS_SMB311
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struct smb_version_operations smb311_operations = {
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.compare_fids = smb2_compare_fids,
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.setup_request = smb2_setup_request,
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@ -3404,7 +3401,6 @@ struct smb_version_operations smb311_operations = {
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#endif /* CIFS_XATTR */
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.next_header = smb2_next_header,
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};
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#endif /* CIFS_SMB311 */
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struct smb_version_values smb20_values = {
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.version_string = SMB20_VERSION_STRING,
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@ -3532,7 +3528,6 @@ struct smb_version_values smb302_values = {
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.create_lease_size = sizeof(struct create_lease_v2),
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};
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#ifdef CONFIG_CIFS_SMB311
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struct smb_version_values smb311_values = {
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.version_string = SMB311_VERSION_STRING,
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.protocol_id = SMB311_PROT_ID,
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@ -3553,4 +3548,3 @@ struct smb_version_values smb311_values = {
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.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
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.create_lease_size = sizeof(struct create_lease_v2),
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};
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#endif /* SMB311 */
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|
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@ -370,7 +370,7 @@ smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
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return rc;
|
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}
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||||
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#ifdef CONFIG_CIFS_SMB311
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/* offset is sizeof smb2_negotiate_req but rounded up to 8 bytes */
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#define OFFSET_OF_NEG_CONTEXT 0x68 /* sizeof(struct smb2_negotiate_req) */
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@ -585,13 +585,6 @@ add_posix_context(struct kvec *iov, unsigned int *num_iovec, umode_t mode)
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return 0;
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}
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#else
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static void assemble_neg_contexts(struct smb2_negotiate_req *req,
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unsigned int *total_len)
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{
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return;
|
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}
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||||
#endif /* SMB311 */
|
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/*
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*
|
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@ -636,10 +629,9 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
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return rc;
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req->sync_hdr.SessionId = 0;
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#ifdef CONFIG_CIFS_SMB311
|
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memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE);
|
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memset(ses->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE);
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#endif
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|
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if (strcmp(ses->server->vals->version_string,
|
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SMB3ANY_VERSION_STRING) == 0) {
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|
|
@ -741,10 +733,8 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
|
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cifs_dbg(FYI, "negotiated smb3.0 dialect\n");
|
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else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID))
|
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cifs_dbg(FYI, "negotiated smb3.02 dialect\n");
|
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#ifdef CONFIG_CIFS_SMB311
|
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else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID))
|
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cifs_dbg(FYI, "negotiated smb3.1.1 dialect\n");
|
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#endif /* SMB311 */
|
||||
else {
|
||||
cifs_dbg(VFS, "Illegal dialect returned by server 0x%x\n",
|
||||
le16_to_cpu(rsp->DialectRevision));
|
||||
|
|
@ -753,9 +743,6 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
|
|||
}
|
||||
server->dialect = le16_to_cpu(rsp->DialectRevision);
|
||||
|
||||
/* BB: add check that dialect was valid given dialect(s) we asked for */
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
/*
|
||||
* Keep a copy of the hash after negprot. This hash will be
|
||||
* the starting hash value for all sessions made from this
|
||||
|
|
@ -763,7 +750,7 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
|
|||
*/
|
||||
memcpy(server->preauth_sha_hash, ses->preauth_sha_hash,
|
||||
SMB2_PREAUTH_HASH_SIZE);
|
||||
#endif
|
||||
|
||||
/* SMB2 only has an extended negflavor */
|
||||
server->negflavor = CIFS_NEGFLAVOR_EXTENDED;
|
||||
/* set it to the maximum buffer size value we can send with 1 credit */
|
||||
|
|
@ -804,7 +791,6 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
|
|||
rc = -EIO;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) {
|
||||
if (rsp->NegotiateContextCount)
|
||||
rc = smb311_decode_neg_context(rsp, server,
|
||||
|
|
@ -812,7 +798,6 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
|
|||
else
|
||||
cifs_dbg(VFS, "Missing expected negotiate contexts\n");
|
||||
}
|
||||
#endif /* CONFIG_CIFS_SMB311 */
|
||||
neg_exit:
|
||||
free_rsp_buf(resp_buftype, rsp);
|
||||
return rc;
|
||||
|
|
@ -1373,13 +1358,11 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
|
|||
sess_data->nls_cp = (struct nls_table *) nls_cp;
|
||||
sess_data->previous_session = ses->Suid;
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
/*
|
||||
* Initialize the session hash with the server one.
|
||||
*/
|
||||
memcpy(ses->preauth_sha_hash, ses->server->preauth_sha_hash,
|
||||
SMB2_PREAUTH_HASH_SIZE);
|
||||
#endif
|
||||
|
||||
while (sess_data->func)
|
||||
sess_data->func(sess_data);
|
||||
|
|
@ -1920,7 +1903,6 @@ alloc_path_with_tree_prefix(__le16 **out_path, int *out_size, int *out_len,
|
|||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
|
||||
umode_t mode, struct cifs_tcon *tcon,
|
||||
const char *full_path,
|
||||
|
|
@ -2070,7 +2052,6 @@ err_free_path:
|
|||
kfree(utf16_path);
|
||||
return rc;
|
||||
}
|
||||
#endif /* SMB311 */
|
||||
|
||||
int
|
||||
SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
|
||||
|
|
@ -2210,7 +2191,6 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
|
|||
dhc_buf = iov[n_iov-1].iov_base;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
if (tcon->posix_extensions) {
|
||||
if (n_iov > 2) {
|
||||
struct create_context *ccontext =
|
||||
|
|
@ -2229,7 +2209,6 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
|
|||
}
|
||||
pc_buf = iov[n_iov-1].iov_base;
|
||||
}
|
||||
#endif /* SMB311 */
|
||||
|
||||
memset(&rqst, 0, sizeof(struct smb_rqst));
|
||||
rqst.rq_iov = iov;
|
||||
|
|
@ -3938,7 +3917,6 @@ copy_fs_info_to_kstatfs(struct smb2_fs_full_size_info *pfs_inf,
|
|||
return;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
static void
|
||||
copy_posix_fs_info_to_kstatfs(FILE_SYSTEM_POSIX_INFO *response_data,
|
||||
struct kstatfs *kst)
|
||||
|
|
@ -3957,7 +3935,6 @@ copy_posix_fs_info_to_kstatfs(FILE_SYSTEM_POSIX_INFO *response_data,
|
|||
|
||||
return;
|
||||
}
|
||||
#endif /* SMB311 */
|
||||
|
||||
static int
|
||||
build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, int level,
|
||||
|
|
@ -3995,7 +3972,6 @@ build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, int level,
|
|||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
int
|
||||
SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
|
||||
u64 persistent_fid, u64 volatile_fid, struct kstatfs *fsdata)
|
||||
|
|
@ -4043,7 +4019,6 @@ posix_qfsinf_exit:
|
|||
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
|
||||
return rc;
|
||||
}
|
||||
#endif /* SMB311 */
|
||||
|
||||
int
|
||||
SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
|
||||
|
|
|
|||
|
|
@ -216,9 +216,7 @@ extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
|
|||
|
||||
extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
|
||||
enum securityEnum);
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
|
||||
extern int smb311_update_preauth_hash(struct cifs_ses *ses,
|
||||
struct kvec *iov, int nvec);
|
||||
#endif
|
||||
#endif /* _SMB2PROTO_H */
|
||||
|
|
|
|||
|
|
@ -70,7 +70,6 @@ err:
|
|||
return rc;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
int
|
||||
smb311_crypto_shash_allocate(struct TCP_Server_Info *server)
|
||||
{
|
||||
|
|
@ -98,7 +97,6 @@ err:
|
|||
cifs_free_hash(&p->hmacsha256, &p->sdeschmacsha256);
|
||||
return rc;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct cifs_ses *
|
||||
smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id)
|
||||
|
|
@ -395,7 +393,6 @@ generate_smb30signingkey(struct cifs_ses *ses)
|
|||
return generate_smb3signingkey(ses, &triplet);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
int
|
||||
generate_smb311signingkey(struct cifs_ses *ses)
|
||||
|
||||
|
|
@ -423,7 +420,6 @@ generate_smb311signingkey(struct cifs_ses *ses)
|
|||
|
||||
return generate_smb3signingkey(ses, &triplet);
|
||||
}
|
||||
#endif /* 311 */
|
||||
|
||||
int
|
||||
smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
|
||||
|
|
|
|||
|
|
@ -807,11 +807,9 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
|
|||
if (rc < 0)
|
||||
goto out;
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP))
|
||||
smb311_update_preauth_hash(ses, rqst->rq_iov,
|
||||
rqst->rq_nvec);
|
||||
#endif
|
||||
|
||||
if (timeout == CIFS_ASYNC_OP)
|
||||
goto out;
|
||||
|
|
@ -852,7 +850,6 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
|
|||
else
|
||||
*resp_buf_type = CIFS_SMALL_BUFFER;
|
||||
|
||||
#ifdef CONFIG_CIFS_SMB311
|
||||
if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP)) {
|
||||
struct kvec iov = {
|
||||
.iov_base = resp_iov->iov_base,
|
||||
|
|
@ -860,7 +857,6 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
|
|||
};
|
||||
smb311_update_preauth_hash(ses, &iov, 1);
|
||||
}
|
||||
#endif
|
||||
|
||||
credits = ses->server->ops->get_credits(midQ);
|
||||
|
||||
|
|
|
|||
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