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Use explicit 'ceph_new' prefix to each of the ceph specific config
parameters to avoid confusion with legacy 'vfs_ceph' module. Hence,
users will have in their smb.conf a format similar to:
...
[smbshare]
vfs objects = ceph_new
ceph_new: config_file = /etc/ceph/ceph.conf
ceph_new: user_id = user1
ceph_new: filesystem = fs1
...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit aca4cf8327dcaef782dedd98a63a020469c45cdb)
Take special care for readdir errno setting: in case of error, update
errno by libcephfs (and protect from possible over-write by debug
logging); in the case of successful result or end-of-stream restore
errno to its previous value before calling the readdir_fn VFS hook.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Aug 7 14:20:02 UTC 2024 on atb-devel-224
(cherry picked from commit aa043a5808b73fc272de585c1446372fa3f21d08)
There is code in Samba that expects errno from a previous system call
to be preserved through a subsequent system call. Thus, avoid setting
"errno = 0" in status_code() and lstatus_code() upon successful return
from libcephfs API call.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit a7f4e2bd47c7f4728f3ac8d90af693156a69c557)
Currently we don't have an explicit check for the presence of
ceph_select_filesystem() libcephfs API as it is always found to
be present with the minimum ceph version that is supported with
Samba right now. Therefore under this assumption directly call
ceph_select_filesystem() without any #ifdefs. Please note that
this change is already part of vfs_ceph via ef0068cd.
ref: https://gitlab.com/samba-team/samba/-/merge_requests/3715
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Anoop C S <anoopcs@samba.org>
Autobuild-Date(master): Mon Aug 5 16:06:47 UTC 2024 on atb-devel-224
(cherry picked from commit de2f76fa47e6e672ce353ea9d3dc4019965c6491)
Add developer's debug-logging upon each call to libcephfs' low-level
APIs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit d00f20f30f4e77463e82d202099682b7ef68260f)
Implement extended-attributes operations using libcephfs' low-level
APIs. Whenever possible, use the open file-handle from fsp-extension to
resolve inode-reference and user-permissions. Otherwise, resolve both
on-the-fly.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 0a8445e891c64d703d44258b2eef85296265c55f)
Implement mknodat operations using libcephfs' low-level APIs. Requires
parent directory to have valid inode-ref associated with its fsp
extension.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit e714e5ddc50a771e743f5e63f686c106abe33b75)
Implement renameat operations using libcephfs' low-level APIs. Requires
both directories to have valid inode-ref associated with their fsp
extension.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 83011357fb834e92505f17d6f65d5f32e3d37ec0)
Implement link operations using libcephfs' low-level APIs. Requires two
phase operation: resolve (by-lookup) reference to inode and then do the
actual (hard) link operation using parent dir-inode reference to the
locally-cached inode.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 9a70bd606728110ad91cab547a4e31350010bb68)
Implement read/write IO operations using libcephfs' low-level APIs.
Requires open ceph Fh* associated with fsp (extension) to complete both
pread/pwrite as well as async I/O operations.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 29bbe0f52d4ffae9dbb070ffc525acf99203444b)
Implement unlinkat using libcephfs low-level APIs. For readlink
operation need to resolve child inode by-lookup and then used the inode
reference for the actual low-level readlink.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 53c9269b219a54236500d22d8a4c7f2ed582faaf)
Implement unlinkat using libcephfs low-level APIs. Operate using parent
directory's open file-handle. When flags has AT_REMOVEDIR bit set call
low-level rmdir; otherwise, do normal unlink.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 362a7cf8664270145bff815347e447797cc1a643)
Implement fntimes hook using libcephfs' low-level APIs. Convert
smb_file_time to ceph_statx plus proper field mask on-the-fly upon
issuing low-level call to libcephfs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 20b7d2bfe06beefb5e7f091eb317ad18cb53f8a9)
Use libcephfs' low-level APIs to implement 'fchown' and 'fchmod' using
open file-handle. If fsp does not have an open cephfs Fh reference,
set errno to EBADF and return -1 to VFS.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit cb14d3630d8c110405c2a43bef15aa31ec4a0fba)
Error handling in the case of 'ceph_readdir' is done by setting 'errno'
deep within libcephfs code. In case of error, emit proper debug message
and re-update errno to avoid possible over-write by logging mechanism.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 24a3423949e127177c019a0d126c6f7523e61984)
Implement readdir and rewinddir operations using libcephfs' low-level
APIs. Casts the opaque DIR pointer into struct vfs_ceph_dirp (the first
member of struct vfs_ceph_fh) to resolve the ceph_dir_result pointer
which libcephfs expects for readdir operations.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 99c7179e5da6d201f03b1a04dbe2a6722090783d)
Implement 'mkdirat' hook using libcephfs' low-level APIs, via the open
file-handle reference to parent directory.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit bd955af86e71fa6c87648e578890ea6f4d490d4b)
Implement fdopendir using libcephfs low-level API and cached (via fsp)
open file-handle. Embed the result within cached vfs_ceph_fh so it may
be used properly by closedir.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit a8a7339c6b7a6866399fd6c409228267a585740f)
Use libcephfs' low-level APIs to do lookup-by-name via parent's open
reference followed by getattr on the inode itself.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 13671cefffb268d84c973583669681318a2ce3bb)
Use libcephfs' low-level APIs and apply the same logic as stat, but
via explicit inode-reference.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit f16183f90abba3c2d3d26262926f1454275a9d3f)
Implement openat, close and closedir and hooks using libcephfs'
low-level APIs. Cache the open Fh* from libcephfs and its related
meta-data using VFS fsp-extension mechanism.
Upon open-create of new vfs_ceph_fh store the caller credentials
(ceph's UserPerm*) within the same context object for subsequent calls.
In addition, provide a "pseudo" fd numbering which is reported back to
VFS layer and used as debugging hints.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 491676846458980944b76d1693726627a9a32503)
Allow direct access to ceph-mount cached-entry via 'handle->data'
private pointer. Required in order to allow more complex cached-state
with each cephfs mount. Users should now use the local-helper function
'cmount_of' to access the underlying ceph_mount_info.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 31085c7efc3572bd6200d3d8e49c1e554cdbfbcc)
Use libcephfs' low-level API ceph_ll_setattr to implement VFS lchown_fn
hook. Use to standard pattern of iget/iput to allow operation by Inode
reference.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit beb21324c9a554f50d8d99af2a1b7fe8a17c8ebb)
Use libcephfs' low-level APIs and apply the same logic as stat, but
using AT_SYMLINK_NOFOLLOW flags.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 93d786b14358db5664e13b1aa43f3f03e7cf0be3)
Start migrating to libcephfs' low-level APIs, using explicit Inode*
reference. Implement the VFS 'stat' hook using a ceph_ll_getattr
function, encapsulated with a pair of iget/iput to hold a
pinned-to-cache Inode* instance.
Upon calling to libcephfs this new code crates and destroys on-the-fly
a Ceph UserPerm instance based on the uig, gid and groups from
'handle->conn->session_info->unix_token'. This logic ensures that the
correct caller-credentials are passed-on to cephfs (instead of those
set upon connection-creation in legacy 'vfs_ceph.c').
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 1b78d79663c48aa4b6810a875427de85ae49a2e8)
Start using libcephfs low-level APIs: get reference to root inode and
use it to query statfs. Requires an explicit put-inode to avoid resource
leakage by libcephfs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 192b0cf8717d79197b985539c9db8ca07a89c570)
Defined new module 'vfs_ceph_new.c' which serves as a place holder for
the next development phase of the bridge between samba's VFS layer and
libcephfs. Begin with a module which is almost identical to existing
'vfs_ceph.c', except for hooks-names prefix which is 'vfs_ceph_' in
order to make clear distinction from existing code base. Following
commits will also switch to low-level APIs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 3720452720b4760509875f0d2a8ed0d104bb1844)
This is done in check_user_ok now
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15688
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit b5169dd717ed5cf66d1e1e90aaf1a4646f7b5ea5)
For my taste this is a nicer configuration syntax than
/../username1/file1/../username2/file2/
Is this too expensive? I don't think so. The scanning only happens an
tcon time, and it only walks the parametric options. If this turns out
to be a performance problem, we should think about smarter data
structures for parametric options instead of just a linked list of
string triples for everything.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15688
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit 17becb5f526015de56d00cd1c8f603f8ddacd0ba)
We'll have to add to an existing namearray soon.
This turns one talloc_array() into a set of reallocs. This is slower,
but set_namearray is only used for smb.conf entries where we don't
expect hundreds or more entries to add. I've done this to avoid array
length calculations, but if it turns out to be too slow we can get
smarter again.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15688
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit fcd595a4642a08169b427af534a00116daf220bf)
Admin should use this script in smb.conf parameter 'sync machine
password script' in clustered samba
TODO: onnode will update the keytab on all connected nodes, so the
update will happen on the triggering node twice. This can be improved in
the future.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=6750
Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
It will be done in secrets_{prepare,finish}_password_change
BUG: https://bugzilla.samba.org/show_bug.cgi?id=6750
Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
