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* vfs: update a bit-rotten commentMichael Adam2014-06-131-5/+6
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* vfs: add [GET/SET]_COMPRESSION hooksDavid Disseldorp2013-11-221-1/+11
| | | | | | | | | | | | | | | The VFS interfaces are sychronous, as the operations only modify meta-data. These hooks are dependent on support for transparent compression by the underlying filesystem - vfs_default returns INVALID_DEVICE_REQUEST. Support for other filesystems providing transparent comression, such as Btrfs and ZFS, can be added in future. The get_compression function takes fsp and smb_fname arguments. The smb_fname argument is needed due to the current dosmode() code-path. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* vfs: Fix parentheses in SMB_VFS_NEXT_DURABLE_COOKIEChristof Schmitt2013-10-121-1/+1
| | | | | Signed-off-by: Christof Schmitt <cs@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* s3-vfs: add copy_chunk vfs hooksDavid Disseldorp2013-01-161-0/+10
| | | | | | | | | | | | | | | | | | copy_chunk copies n bytes from a source file at a specific offset to a destination file at a given offset. This interface will be used in handling smb2 FSCTL_SRV_COPYCHUNK ioctl requests. Use a pread/pwrite loop in vfs_default, so that requests referring to the same src and dest file are possible. Provide send and receive hooks for copy chunk VFS interface, allowing asynchronous behaviour. Check whether the request source offset + length exceeds the current size. Return STATUS_INVALID_VIEW_SIZE under such a condition, matching Windows server behaviour. Reviewed by: Jeremy Allison <jra@samba.org>
* vfs: Remove type parameter from sys_acl_blob_get_{fd,file}Andrew Bartlett2012-10-111-4/+4
| | | | | | | | | This interface actually needs to match the get_nt_acl interface in that the system ACL implmenetation may not be posix ACLs, and the blob is not meant to be enforced to be of a particular system ACL structure. Andrew Bartlett
* smbd: Add mem_ctx to {f,}get_nt_acl VFS callAndrew Bartlett2012-10-111-9/+9
| | | | | | | | | | | This makes it clear which context the returned SD is allocated on, as a number of callers do not want it on talloc_tos(). As the ACL transformation allocates and then no longer needs a great deal of memory, a talloc_stackframe() call is used to contain the memory that is not returned further up the stack. Andrew Bartlett
* smbd: Add mem_ctx to sys_acl_init() and all callersAndrew Bartlett2012-10-111-9/+9
| | | | | | | | | | This changes from allocation on NULL to allocation on the supplied memory context. Currently that supplied context is talloc_tos() at the the final consumer of the ACL. Andrew Bartlett
* smbd: Add extra VFS hooks to get the posix ACL as a blobAndrew Bartlett2012-09-121-0/+10
| | | | | | | | | | | This will allow us to hash this, rather than the NT ACL it maps to. This will in turn allow us to know if the NT ACL is valid even if we have to change the mapping code. Andrew Bartlett Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Wed Sep 12 07:06:01 CEST 2012 on sn-devel-104
* s3:vfs: add durable VFS operationsMichael Adam2012-09-081-0/+25
| | | | | | This allows a VFS module to implement durable handles in different ways. Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
* s3-smbd: Remove sys_acl_*() VFS wrapper functionsAndrew Bartlett2012-08-151-85/+0
| | | | | | | | | | | | | | | | | | | | | | | We no longer do struct smb_acl_t manipuations via the VFS layer, which is now reduced to handling the get/set functions. The only backend that implemented these functions (aside from audit) was the vfs_default module calling the sys_acl code. The various ACL implementation modules either worked on the fully initilaised smb_acl_t object or on NT ACLs. This not only makes the operation of the posix ACL code more efficient (as allocation and free is not put via the VFS), it makes it easier to test and removes the fantasy that a module could safely redefine this structure or the behaviour here. The smb_acls.idl now defines the structure, and it is now allocated with talloc. These operations were originally added to the VFS in commit 3bb219161a270f12c27c3bc7e1220829c6e9f284. Andrew Bartlett
* s3-vfs: async fsyncVolker Lendecke2012-07-181-0/+6
| | | | Signed-off-by: Jeremy Allison <jra@samba.org>
* s3-aio: Remove unused VFS functions and moreVolker Lendecke2012-07-181-35/+0
| | | | Signed-off-by: Jeremy Allison <jra@samba.org>
* s3-vfs: async preadVolker Lendecke2012-07-181-0/+7
| | | | Signed-off-by: Jeremy Allison <jra@samba.org>
* s3-vfs: async pwriteVolker Lendecke2012-07-181-0/+7
| | | | Signed-off-by: Jeremy Allison <jra@samba.org>
* Add an audit file VFS routine so we can handle auditing with SACLs.Richard Sharpe2012-04-281-0/+5
| | | | | Autobuild-User: Richard Sharpe <sharpe@samba.org> Autobuild-Date: Sat Apr 28 08:05:00 CEST 2012 on sn-devel-104
* s3-vfs: Remove unused lremovexattr call from VFS modules, system.c and configureAndrew Bartlett2012-04-051-5/+0
| | | | | | | If this is ever needed again, it would be more appropriate as an options argument to removexattr. Andrew Bartlett
* s3-vfs: Remove unused lsetxattr call from VFS modules, system.c and configureAndrew Bartlett2012-04-051-5/+0
| | | | | | | If this is ever needed again, it would be more appropriate as an options argument to listxattr. Andrew Bartlett
* s3-vfs: Remove unused llistxattr call from VFS modules, system.c and configureAndrew Bartlett2012-04-051-5/+0
| | | | | | | If this is ever needed again, it would be more appropriate as an options argument to listxattr. Andrew Bartlett
* s3-vfs: Remove unused lgetxattr call from VFS modules, system.c and configureAndrew Bartlett2012-04-051-5/+0
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* s3: Pass filters explicitly through vfs notify watchVolker Lendecke2012-03-261-4/+4
| | | | | | | | | This removes a dependency on "struct notify_entry" and makes the nature of the API more explicit. We depend upon the VFS module to mask out elements from e->filter and e->subdir_filter that it took over to handle. Autobuild-User: Volker Lendecke <vl@samba.org> Autobuild-Date: Mon Mar 26 17:45:44 CEST 2012 on sn-devel-104
* s3: Pass "path" through vfs_notify_watchVolker Lendecke2012-03-211-4/+4
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* vfs: Make function pointer names consistent. They all end in _fnRichard Sharpe2011-12-121-10/+10
| | | | | Autobuild-User: Richard Sharpe <sharpe@samba.org> Autobuild-Date: Mon Dec 12 04:58:40 CET 2011 on sn-devel-104
* s3:vfs: add SMB_VFS_GET_DFS_REFERRAL() hooksStefan Metzmacher2011-10-081-0/+9
| | | | metze
* Move FSCTL handling into the VFS. Initial code changes. Passes smbtorture ↵Richard Sharpe2011-10-011-0/+6
| | | | NTTRANS-FSCTL. Test added to selftests.
* Remove the char * argument from the SMB_VFS_GETWD() call. Now alwaysJeremy Allison2011-06-011-4/+4
| | | | | | | returns malloc'ed memory. Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Wed Jun 1 04:06:12 CEST 2011 on sn-devel-104
* Remove duplicate definition of SMB_VFS_NEXT_STRICT_UNLOCK. Found by ↵Jeremy Allison2011-05-171-3/+0
| | | | herb@samba.org
* s3: Pass smb_filename through the set_offline vfs opVolker Lendecke2011-03-021-4/+4
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* s3: Pass smb_filename through the is_offline vfs opVolker Lendecke2011-03-021-4/+4
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* Correctly plumb in VFS_FDOPENDIR.Jeremy Allison2011-02-091-2/+2
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* Add fdopendir to the VFS. We will use this to reuse a directory fd already ↵Jeremy Allison2011-02-091-0/+5
| | | | | | | open by NtCreateX. Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Wed Feb 9 00:55:22 CET 2011 on sn-devel-104
* Rename vfs operation posix_fallocate to just fallocate and add the ↵Jeremy Allison2010-12-181-4/+4
| | | | | | | | | | | | | | | | | | | | | | vfs_fallocate_mode parameter. It turns out we need the fallocate operations to be able to both allocate and extend filesize, and to allocate and not extend filesize, and posix_fallocate can only do the former. So by defining the vfs op as posix_fallocate we lose the opportunity to use any underlying syscalls (like Linux fallocate) that can do the latter as well. We don't currently use the non-extending filesize call, but now I've changed the vfs op definition we can in the future. For the moment simply map the fallocate op onto posix_fallocate for the VFS_FALLOCATE_EXTEND_SIZE case and return ENOSYS for the VFS_FALLOCATE_KEEP_SIZE case. Jeremy. Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Sat Dec 18 08:59:27 CET 2010 on sn-devel-104
* Move posix_fallocate into the VFS where it belongs.Jeremy Allison2010-12-021-0/+5
| | | | Jeremy.
* Move the uglyness of #ifdef REALPATH_TAKES_NULL into the vfs_defaultJeremy Allison2010-11-201-4/+4
| | | | | | | | | | | | | module, change the signature of VFS_REALPATH to always return a malloc'ed string. Needed to make some privileges work I plan on doing shortly easier to code. Jeremy. Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Sat Nov 20 02:15:50 CET 2010 on sn-devel-104
* Fix for bug #7189 - Open txt files with notepad on samba shares creates problem.Jeremy Allison2010-03-051-4/+8
| | | | | | | | | | Ensure we don't use any of the create_options for Samba private use. Add a new parameter to the VFS_CREATE call (private_flags) which is only used internally. Renumber NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and NTCREATEX_OPTIONS_PRIVATE_DENY_FCB to match the S4 code). Rev. the VFS interface to version 28. Jeremy.
* s3: Do not talloc in readdirVolker Lendecke2009-11-181-4/+4
| | | | This is a hot codepath (called from the stat cache)
* s3: Add access_mask to the flock VFS callAbhidnya P Chirmule2009-10-061-4/+4
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* vfs catia: Fix the double translation that was happening with createfile and ↵Aravind Srinivasan2009-09-241-4/+4
| | | | | | | | | | | | | | | open. Since the catia translation is implemented for open, it should not also be done in createfile. By removing createfile from catia, translation is now done correctly for the primary open path. In order to support systems that have custom createfile implementations that don't eventually call SMB_VFS_OPEN, SMB_VFS_TRANSLATE_NAME has been expanded to take an additional argument that specifies direction. Signed-off-by: Tim Prouty <tprouty@samba.org>
* s3: Add a new VFS op called SMB_VFS_TRANSLATE_NAMEAravind Srinivasan2009-08-281-0/+8
| | | | | | | | | | | This vop is designed to work in tandem with SMB_VFS_READDIR to allow vfs modules to make modifications to arbitrary filenames before they're consumed by callers. Subsequently the core directory enumeration code in smbd is now changed to free the memory that may be allocated in a module. This vop enables the new version of catia in the following patch. Signed-off-by: Tim Prouty <tprouty@samba.org>
* Second attempt at fix for bug 6529 - Offline files conflict with Vista and ↵Jeremy Allison2009-08-241-4/+4
| | | | | | | | Office 2003. Confirmation from reporter that this fixes the issue in master on ext3/ext4. Back-ports to follow. Jeremy.
* add my copyright after the VFS rewriteVolker Lendecke2009-07-241-0/+1
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* Make the smbd VFS typesafeVolker Lendecke2009-07-241-394/+557
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* s3: Plumb smb_filename through SMB_VFS_STAT and SMB_VFS_LSTATTim Prouty2009-06-241-6/+6
| | | | | | | | | | | | | This patch introduces two new temporary helper functions vfs_stat_smb_fname and vfs_lstat_smb_fname. They basically allowed me to call the new smb_filename version of stat, while avoiding plumbing it through callers that are still too inconvenient. As the conversion moves along, I will be able to remove callers of this, with the goal being to remove all callers. There was also a bug in create_synthetic_smb_fname_split (also a temporary utility function) that caused it to incorrectly handle filenames with ':'s in them when in posix mode. This is now fixed.
* s3: Plumb smb_filename through SMB_VFS_CREATE_FILETim Prouty2009-06-121-3/+3
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* Add SMB_VFS_CONNECTPATH operationVolker Lendecke2009-06-021-0/+3
| | | | | | This is required for the shadow_copy2 module and "wide links = no". The file system snapshots by nature are typically outside of share directory. So the REALPATH result fails the wide links = no test.
* s3: Add strict lock/unlock calls to the vfs layer to replace is_lockedDave Richards2009-03-131-0/+6
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* s3: Modify SMB_VFS_FILE_ID_CREATE to take a stat structTim Prouty2009-02-191-3/+3
| | | | | Since file_id_create_dev is incompatible with the concept of file_ids, it is now static and in the one file that needs it.
* s3 vfs: Fix SMB_VFS_RECVFILE/SENDFILE macrosTim Prouty2009-02-131-4/+4
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* Add VFS ops for Windows BRL: Lock, Unlock and Cancel:Zack Kirsch2009-02-131-0/+9
| | | | | | | | | | | | | | | | | | | | | | | This patch adds 3 new VFS OPs for Windows byte range locking: BRL_LOCK_WINDOWS, BRL_UNLOCK_WINDOWS and BRL_CANCEL_WINDOWS. Specifically: * I renamed brl_lock_windows, brl_unlock_windows and brl_lock_cancel to *_default as the default implementations of the VFS ops. * The blocking_lock_record (BLR) is now passed into the brl_lock_windows and brl_cancel_windows paths. The Onefs implementation uses it - future implementations may find it useful too. * Created brl_lock_cancel to do what brl_lock/brl_unlock do: set up a lock_struct and call either the Posix or Windows lock function. These happen to be the same for the default implementation. * Added helper functions: increment_current_lock_count() and decrement_current_lock_count(). * Minor spelling correction in brl_timeout_fn: brl -> blr. * Changed blocking_lock_cancel() to return the BLR that it has cancelled. This allows us to assert its the lock that we wanted to cancel. If this assert ever fires, this path will need to take in the BLR to cancel, rather than choosing on its own. * Adds a small helper function: find_blocking_lock_record_by_id(). Used by the OneFS implementation, but could be useful for others.
* s3: Added SMB_VFS_INIT_SEARCH_OP to initialize data at the beginning of SMB ↵Steven Danneman2009-02-091-0/+3
| | | | | | | | search requests. By default this VFS call is a NOOP, but the onefs vfs module takes advantage of it to initialize direntry search caches at the beginning of each TRANS2_FIND_FIRST, TRANS2_FIND_NEXT, SMBffirst, SMBsearch, and SMBunique
* Add an optional SMB_STRUCT_SMB parameter to VFS_OP_READDIRSteven Danneman2009-02-091-4/+4
| | | | | | | | * this allows VFS implementations that prefetch stat information on readdir to return it through one VFS call * backwards compatibility is maintained by passing in NULL * if the system readdir doesn't return stat info, the stat struct is set to invalid
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