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vfs_streams_depot: implement SMB_VFS_OPENAT()
Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
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parent
6bd623771e
commit
dcddc45c4c
@ -661,6 +661,80 @@ static int streams_depot_open(vfs_handle_struct *handle,
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return ret;
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}
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static int streams_depot_openat(struct vfs_handle_struct *handle,
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const struct files_struct *dirfsp,
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const struct smb_filename *smb_fname,
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struct files_struct *fsp,
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int flags,
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mode_t mode)
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{
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struct smb_filename *smb_fname_stream = NULL;
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struct smb_filename *smb_fname_base = NULL;
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struct files_struct *fspcwd = NULL;
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NTSTATUS status;
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int ret = -1;
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/*
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* For now assert this so the below SMB_VFS_STAT() is ok.
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*/
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SMB_ASSERT(dirfsp->fh->fd == AT_FDCWD);
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if (!is_named_stream(smb_fname)) {
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return SMB_VFS_NEXT_OPENAT(handle,
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dirfsp,
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smb_fname,
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fsp,
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flags,
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mode);
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}
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/* Ensure the base file still exists. */
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smb_fname_base = synthetic_smb_fname(talloc_tos(),
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smb_fname->base_name,
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NULL,
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NULL,
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smb_fname->twrp,
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smb_fname->flags);
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if (smb_fname_base == NULL) {
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ret = -1;
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errno = ENOMEM;
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goto done;
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}
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ret = SMB_VFS_NEXT_STAT(handle, smb_fname_base);
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if (ret == -1) {
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goto done;
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}
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/* Determine the stream name, and then open it. */
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status = stream_smb_fname(handle, smb_fname, &smb_fname_stream, true);
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if (!NT_STATUS_IS_OK(status)) {
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ret = -1;
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errno = map_errno_from_nt_status(status);
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goto done;
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}
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status = vfs_at_fspcwd(talloc_tos(), handle->conn, &fspcwd);
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if (!NT_STATUS_IS_OK(status)) {
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ret = -1;
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errno = map_errno_from_nt_status(status);
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goto done;
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}
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ret = SMB_VFS_NEXT_OPENAT(handle,
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fspcwd,
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smb_fname_stream,
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fsp,
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flags,
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mode);
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done:
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TALLOC_FREE(smb_fname_stream);
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TALLOC_FREE(smb_fname_base);
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TALLOC_FREE(fspcwd);
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return ret;
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}
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static int streams_depot_unlink_internal(vfs_handle_struct *handle,
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struct files_struct *dirfsp,
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const struct smb_filename *smb_fname,
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@ -1094,6 +1168,7 @@ static uint32_t streams_depot_fs_capabilities(struct vfs_handle_struct *handle,
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static struct vfs_fn_pointers vfs_streams_depot_fns = {
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.fs_capabilities_fn = streams_depot_fs_capabilities,
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.open_fn = streams_depot_open,
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.openat_fn = streams_depot_openat,
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.stat_fn = streams_depot_stat,
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.lstat_fn = streams_depot_lstat,
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.unlinkat_fn = streams_depot_unlinkat,
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