From: Jeremy Allison <jra@samba.org>
Date: Thu, 22 Aug 2019 21:31:29 +0000 (-0700)
Subject: s3: VFS: vfs_unityed_media. Implement readlinkat().
X-Git-Tag: tevent-0.10.1~174
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f1c0d43177bb050042e808c6c2acc4e3bdddb78;p=thirdparty%2Fsamba.git

s3: VFS: vfs_unityed_media. Implement readlinkat().

Currently identical to readlink().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
---

diff --git a/source3/modules/vfs_unityed_media.c b/source3/modules/vfs_unityed_media.c
index 1816943a29d..c6e636ea575 100644
--- a/source3/modules/vfs_unityed_media.c
+++ b/source3/modules/vfs_unityed_media.c
@@ -1393,6 +1393,42 @@ err:
 	return status;
 }
 
+static int um_readlinkat(vfs_handle_struct *handle,
+			files_struct *dirfsp,
+			const struct smb_filename *smb_fname,
+			char *buf,
+			size_t bufsiz)
+{
+	int status;
+	struct smb_filename *client_fname = NULL;
+
+	DEBUG(10, ("Entering um_readlinkat\n"));
+
+	if (!is_in_media_files(smb_fname->base_name)) {
+		return SMB_VFS_NEXT_READLINKAT(handle,
+				dirfsp,
+				smb_fname,
+				buf,
+				bufsiz);
+	}
+
+	status = alloc_get_client_smb_fname(handle, talloc_tos(),
+					    smb_fname, &client_fname);
+	if (status != 0) {
+		goto err;
+	}
+
+	status = SMB_VFS_NEXT_READLINKAT(handle,
+				dirfsp,
+				client_fname,
+				buf,
+				bufsiz);
+
+err:
+	TALLOC_FREE(client_fname);
+	return status;
+}
+
 static int um_linkat(vfs_handle_struct *handle,
 			files_struct *srcfsp,
 			const struct smb_filename *old_smb_fname,
@@ -1925,6 +1961,7 @@ static struct vfs_fn_pointers vfs_um_fns = {
 	.ntimes_fn = um_ntimes,
 	.symlink_fn = um_symlink,
 	.readlink_fn = um_readlink,
+	.readlinkat_fn = um_readlinkat,
 	.linkat_fn = um_linkat,
 	.mknodat_fn = um_mknodat,
 	.realpath_fn = um_realpath,