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nfs41_build_features.h
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/* NFSv4.1 client for Windows
* Copyright © 2012 The Regents of the University of Michigan
*
* Olga Kornievskaia <[email protected]>
* Casey Bodley <[email protected]>
* Roland Mainz <[email protected]>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* without any warranty; without even the implied warranty of merchantability
* or fitness for a particular purpose. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA
*/
#ifndef _NFS41_DRIVER_BUILDFEATURES_
#define _NFS41_DRIVER_BUILDFEATURES_ 1
/*
* NFS41_DRIVER_FEATURE_* - features for this build, we use this
* for development to add new features which are "off" by default
* until they are ready
*/
/*
* NFS41_DRIVER_FEATURE_LOCAL_UIDGID_IN_NFSV3ATTRIBUTES - return local uid/gid values
*/
#define NFS41_DRIVER_FEATURE_LOCAL_UIDGID_IN_NFSV3ATTRIBUTES 1
/*
* NFS41_DRIVER_FEATURE_MAP_UNMAPPED_USER_TO_UNIXUSER_SID - give NFS
* files which do not map to a local account a SID in the
* Unix_User+x/Unix_Group+x range
*/
#define NFS41_DRIVER_FEATURE_MAP_UNMAPPED_USER_TO_UNIXUSER_SID 1
/*
* NFS41_DRIVER_FEATURE_IDMAPPER_CYGWIN - use Cygwin shell script
* as to do the idmapping between NFS client and NFS server
*/
#define NFS41_DRIVER_FEATURE_IDMAPPER_CYGWIN 1
/*
* Enable cache for username/groupname to SID
*/
#define NFS41_DRIVER_SID_CACHE 1
/*
* NFS41_DRIVER_MOUNT_DOES_NFS4_PREFIX - nfs_mount.exe and
* not nfs41_np does the \nfs4 prefix between servername and path
* in UNC paths. As side-effect both normal and Windows UNC paths
* always have \nfs4 in them (e.g. \\derfwnb4966_ipv4@2049\nfs4\bigdisk
* (Windows UNC) and //derfwnb4966_ipv4@2049/nfs4/bigdisk (Cygwin UNC)
* instead of just the the Cygwin UNC paths, which constantly confuses
* users madly.
*/
#define NFS41_DRIVER_MOUNT_DOES_NFS4_PREFIX 1
/*
* NFS41_DRIVER_STABILITY_HACKS - use horrible
* hacks to improve stabilty
*/
#define NFS41_DRIVER_STABILITY_HACKS 1
/*
* NFS41_DRIVER_WORKAROUND_FOR_GETATTR_AFTER_CLOSE_HACKS - use
* horrible hacks to improve stabilty because sometimes we use
* |nfs41_open_state| afer a file close in highly parallel
* workloads (e.g. building the gcc compiler in parallel).
*
* #define NFS41_DRIVER_WORKAROUND_FOR_GETATTR_AFTER_CLOSE_HACKS 1
*/
/*
* NFS41_DRIVER_USE_LARGE_SOCKET_RCVSND_BUFFERS - use
* static, large buffer size for socket receive and send buffers
*
* Using a large static buffer avoids the erratic behaviour
* caused by automatic scaling, and avoids that the code
* spends lots of time waiting for the data to be split into
* smaller chunks - this results in much reduced latency.
*
* Another benefit is that this gives a larger TCP window
* (as Windows has no public API to set the TCP window size
* per socket), resulting in better performance over WLAN
* connections.
*/
#define NFS41_DRIVER_USE_LARGE_SOCKET_RCVSND_BUFFERS 1
/*
* Support /usr/bin/newgrp&co, which have a non-default
* |TOKEN_PRIMARY_GROUP|
*/
#define NFS41_DRIVER_SETGID_NEWGRP_SUPPORT 1
/*
* Disable 8DOT3 ShortName filename generation.
* The current code is broken anyway,so we disable it until we
* can implement it better..
*/
#define NFS41_DRIVER_DISABLE_8DOT3_SHORTNAME_GENERATION 1
/*
* NFS41_DRIVER_USE_AUTHENTICATIONID_FOR_MOUNT_NAMESPACE - use
* |TOKEN_GROUPS_AND_PRIVILEGES.AuthenticationId| for
* mount namespace separation between users.
* This avoid that mounts from different users can interfere
* with each other, e.g. if they are mounted with different
* mount (e.g. "rw" vs. "ro") options.
*/
#define NFS41_DRIVER_USE_AUTHENTICATIONID_FOR_MOUNT_NAMESPACE 1
/*
* NFS41_DRIVER_SYSTEM_LUID_MOUNTS_ARE_GLOBAL - mounts created
* with user "SYSTEM" should be available for ALL users on
* a machine.
*/
#define NFS41_DRIVER_SYSTEM_LUID_MOUNTS_ARE_GLOBAL 1
/*
* Default POSIX permission mode bits for new files
* and directories.
* Can be ovrriden with a "NfsV3Attributes" EA
*/
#define NFS41_DRIVER_DEFAULT_DIR_CREATE_MODE (0755)
#define NFS41_DRIVER_DEFAULT_FILE_CREATE_MODE (0644)
/*
* NFS41_DRIVER_DEBUG_FS_NAME - define which filesystem name should
* be returned by |FileFsAttributeInfo|
* 1 == "NFS" (like Microsoft, Exceed and OpenText NFS drivers)
* 2 == "DEBUG-NFS41" (custom value, used for disabling
* hardcoded codepaths for "nfs" drivers, and just treat
* this like a normal non-NFS MiniRDR driver
*/
#define NFS41_DRIVER_DEBUG_FS_NAME 1
/*
* NFS41_DRIVER_ACLS_SETACL_SKIP_WINNULLSID_ACES - Skip ACEs
* with SID==|WinNullSid|
*
* Cygwin generates artificial ACEs with SID user |WinNullSid| to
* encode permission information (follow |CYG_ACE_ISBITS_TO_POSIX()|
* in Cygwin newlib-cygwin/winsup/cygwin/sec/acl.cc
*
* This assumes that the filesystem which storesthe ACL data leaves
* them 1:1 intact - which is not the case for the Linux NFSv4.1
* server (tested with Linux 6.6.32), which transforms the NFSv4.1
* ACLs into POSIX ACLs at setacl time, and the POSIX ACLs back to
* NFSv4 ACLs at getacl time.
* And this lossy transformation screws-up Cygwin completly.
* The best we can do for now is to skip such ACEs, as we have no
* way to detect whether the NFS server supports full NFSv4 ACLs,
* or only POSIX ACLs disguised as NFSv4 ACLs.
*/
#define NFS41_DRIVER_ACLS_SETACL_SKIP_WINNULLSID_ACES 1
/*
* NFS41_DRIVER_WSL_SUPPORT - Enable WSL support
*/
#define NFS41_DRIVER_WSL_SUPPORT 1
/*
* NFS41_DRIVER_WS2022_HACKS - Enable hacks for Windows Server 2022
* compatibility
*/
#define NFS41_DRIVER_WS2022_HACKS 1
/*
* NFS41_DRIVER_DEFAULT_NFS4MINORVERSION - set default NFSv4.x
* protocol minor version used by protocol autonegotiation if no
* minor version was given via $ nfs_mount -o vers= ... #
* Value can be |1| or |2|
*/
#define NFS41_DRIVER_DEFAULT_NFS4MINORVERSION 2
/*
* NFS41_DRIVER_TREAT_UNRESOLVEABLE_SYMLINKS_AS_DIRS - treat symlinks
* which cannot be resolved within the NFS filesystem as dirs
*
* The idea is that such symlinks are UNC paths or drives (e.g. T:\),
* and powershell+cmd.exe will only cd into such symlinks if
* the flag |FILE_ATTRIBUTE_DIRECTORY| is set for them.
*
* ToDo: Maybe we should read the symlink value, and only set
* |FILE_ATTRIBUTE_DIRECTORY| if the symlink value ends with
* "/", "/." or "/.." ...
*/
#define NFS41_DRIVER_TREAT_UNRESOLVEABLE_SYMLINKS_AS_DIRS 1
#endif /* !_NFS41_DRIVER_BUILDFEATURES_ */