The branch, master has been updated
       via  64e594e5dc7 s3: VFS: vfs_ceph_snapshots: Make setxattr return errno 
= EROFS on a shadow copy path.
       via  a7921ded299 s3: VFS: vfs_ceph_snapshots: Make removexattr return 
errno = EROFS on a shadow copy path.
       via  0ebb15a6e23 s3: VFS: vfs_ceph_snapshots: Make chflags return errno 
= EROFS on a shadow copy path.
       via  b3a5c50a51a s3: VFS: vfs_ceph_snapshots: Make rmdir return errno = 
EROFS on a shadow copy path.
       via  9c2c941492a s3: VFS: vfs_ceph_snapshots: Make mkdir return errno = 
EROFS on a shadow copy path.
       via  5b1f545589e s3: VFS: vfs_ceph_snapshots: Make mknod return errno = 
EROFS on a shadow copy path.
       via  eac2ca755f5 s3: VFS: vfs_ceph_snapshots: Make ntimes return errno = 
EROFS on a shadow copy path.
       via  d1d3d8f3702 s3: VFS: vfs_ceph_snapshots: Make chown return errno = 
EROFS on a shadow copy path.
       via  a5af9ac8288 s3: VFS: vfs_ceph_snapshots: Make chmod return errno = 
EROFS on a shadow copy path.
       via  9f457799a92 s3: VFS: vfs_ceph_snapshots: Make unlink return errno = 
EROFS on a shadow copy path.
      from  76bf8a1ac43 mdssvc: Fix the clang build

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit 64e594e5dc774cc51ec0bdf9b1c5537c4b66e8ce
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:59:15 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make setxattr return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>
    
    Autobuild-User(master): Jeremy Allison <j...@samba.org>
    Autobuild-Date(master): Fri Aug  9 18:08:03 UTC 2019 on sn-devel-184

commit a7921ded299d138430ab9b37c3f1e1e064f6b3fa
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:58:10 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make removexattr return errno = EROFS on a 
shadow copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit 0ebb15a6e236bf920ee9ff901b81b264212c4c37
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:56:59 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make chflags return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit b3a5c50a51a610957a671a2f42bb4269eb8039e2
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:56:01 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make rmdir return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit 9c2c941492a363a96482fe17cfafff1494586b31
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:55:04 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make mkdir return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit 5b1f545589e0027e53d56058cbaaaa8c97eaf35d
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:53:51 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make mknod return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit eac2ca755f5d09483465732e51ec5b51072628b2
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:52:14 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make ntimes return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit d1d3d8f37021bc18d30c8c97f99f1e0d28fdd646
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:48:54 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make chown return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit a5af9ac8288af1e8cd3ca080eb966d0b9ff34dc2
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:47:44 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make chmod return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

commit 9f457799a92c34bf8c881142b308a37648bea943
Author: Jeremy Allison <j...@samba.org>
Date:   Thu Aug 8 15:45:10 2019 -0700

    s3: VFS: vfs_ceph_snapshots: Make unlink return errno = EROFS on a shadow 
copy path.
    
    smbd has no business modifying a shadow copy filesystem, it should be 
read-only.
    
    Signed-off-by: Jeremy Allison <j...@samba.org>
    Reviewed-by: David Disseldorp <dd...@samba.org>

-----------------------------------------------------------------------

Summary of changes:
 source3/modules/vfs_ceph_snapshots.c | 285 +++++------------------------------
 1 file changed, 40 insertions(+), 245 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source3/modules/vfs_ceph_snapshots.c 
b/source3/modules/vfs_ceph_snapshots.c
index 4d935a55a1a..a70a6adb1f4 100644
--- a/source3/modules/vfs_ceph_snapshots.c
+++ b/source3/modules/vfs_ceph_snapshots.c
@@ -958,41 +958,20 @@ static int ceph_snap_gmt_unlink(vfs_handle_struct *handle,
                              const struct smb_filename *csmb_fname)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_UNLINK(handle, csmb_fname);
-       }
-
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_UNLINK(handle, new_fname);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_UNLINK(handle, csmb_fname);
 }
 
 static int ceph_snap_gmt_chmod(vfs_handle_struct *handle,
@@ -1000,41 +979,20 @@ static int ceph_snap_gmt_chmod(vfs_handle_struct *handle,
                        mode_t mode)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_CHMOD(handle, csmb_fname, mode);
-       }
-
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_CHMOD(handle, new_fname, mode);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_CHMOD(handle, csmb_fname, mode);
 }
 
 static int ceph_snap_gmt_chown(vfs_handle_struct *handle,
@@ -1043,41 +1001,20 @@ static int ceph_snap_gmt_chown(vfs_handle_struct 
*handle,
                        gid_t gid)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_CHOWN(handle, csmb_fname, uid, gid);
-       }
-
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_CHOWN(handle, new_fname, uid, gid);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_CHOWN(handle, csmb_fname, uid, gid);
 }
 
 static int ceph_snap_gmt_chdir(vfs_handle_struct *handle,
@@ -1126,41 +1063,20 @@ static int ceph_snap_gmt_ntimes(vfs_handle_struct 
*handle,
                              struct smb_file_time *ft)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_NTIMES(handle, csmb_fname, ft);
-       }
-
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_NTIMES(handle, new_fname, ft);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_NTIMES(handle, csmb_fname, ft);
 }
 
 static int ceph_snap_gmt_readlink(vfs_handle_struct *handle,
@@ -1211,40 +1127,20 @@ static int ceph_snap_gmt_mknod(vfs_handle_struct 
*handle,
                        SMB_DEV_T dev)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_MKNOD(handle, csmb_fname, mode, dev);
-       }
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_MKNOD(handle, new_fname, mode, dev);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_MKNOD(handle, csmb_fname, mode, dev);
 }
 
 static struct smb_filename *ceph_snap_gmt_realpath(vfs_handle_struct *handle,
@@ -1387,80 +1283,40 @@ static int ceph_snap_gmt_mkdir(vfs_handle_struct 
*handle,
                                mode_t mode)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_MKDIR(handle, csmb_fname, mode);
-       }
-       ret = ceph_snap_gmt_convert_dir(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_MKDIR(handle, new_fname, mode);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_MKDIR(handle, csmb_fname, mode);
 }
 
 static int ceph_snap_gmt_rmdir(vfs_handle_struct *handle,
                                const struct smb_filename *csmb_fname)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_RMDIR(handle, csmb_fname);
-       }
-       ret = ceph_snap_gmt_convert_dir(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_RMDIR(handle, new_fname);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_RMDIR(handle, csmb_fname);
 }
 
 static int ceph_snap_gmt_chflags(vfs_handle_struct *handle,
@@ -1468,40 +1324,20 @@ static int ceph_snap_gmt_chflags(vfs_handle_struct 
*handle,
                                unsigned int flags)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_CHFLAGS(handle, csmb_fname, flags);
-       }
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_CHFLAGS(handle, new_fname, flags);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_CHFLAGS(handle, csmb_fname, flags);
 }
 
 static ssize_t ceph_snap_gmt_getxattr(vfs_handle_struct *handle,
@@ -1594,40 +1430,20 @@ static int ceph_snap_gmt_removexattr(vfs_handle_struct 
*handle,
                                const char *aname)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_REMOVEXATTR(handle, csmb_fname, aname);
-       }
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_REMOVEXATTR(handle, new_fname, aname);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
+       return SMB_VFS_NEXT_REMOVEXATTR(handle, csmb_fname, aname);
 }
 
 static int ceph_snap_gmt_setxattr(struct vfs_handle_struct *handle,
@@ -1636,42 +1452,21 @@ static int ceph_snap_gmt_setxattr(struct 
vfs_handle_struct *handle,
                                size_t size, int flags)
 {
        time_t timestamp = 0;
-       char stripped[PATH_MAX + 1];
-       char conv[PATH_MAX + 1];
        int ret;
-       struct smb_filename *new_fname;
-       int saved_errno;
 
        ret = ceph_snap_gmt_strip_snapshot(handle,
                                        csmb_fname->base_name,
-                                       &timestamp, stripped, sizeof(stripped));
+                                       &timestamp, NULL, 0);
        if (ret < 0) {
                errno = -ret;
                return -1;
        }
-       if (timestamp == 0) {
-               return SMB_VFS_NEXT_SETXATTR(handle, csmb_fname,
-                                       aname, value, size, flags);
-       }
-       ret = ceph_snap_gmt_convert(handle, stripped,
-                                       timestamp, conv, sizeof(conv));
-       if (ret < 0) {
-               errno = -ret;
-               return -1;
-       }
-       new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
-       if (new_fname == NULL) {
-               errno = ENOMEM;
+       if (timestamp != 0) {
+               errno = EROFS;
                return -1;
        }
-       new_fname->base_name = conv;
-
-       ret = SMB_VFS_NEXT_SETXATTR(handle, new_fname,
+       return SMB_VFS_NEXT_SETXATTR(handle, csmb_fname,
                                aname, value, size, flags);
-       saved_errno = errno;
-       TALLOC_FREE(new_fname);
-       errno = saved_errno;
-       return ret;
 }
 
 static int ceph_snap_gmt_get_real_filename(struct vfs_handle_struct *handle,


-- 
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