From: Jeremy Allison <jra@samba.org>
Date: Fri, 30 Aug 2019 21:02:53 +0000 (-0700)
Subject: s3: VFS: vfs_unityed_media. Implement symlinkat().
X-Git-Tag: tevent-0.10.1~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c851da40f0482efc59b2d0e7f44e9d2b98d3d5c;p=thirdparty%2Fsamba.git

s3: VFS: vfs_unityed_media. Implement symlinkat().

Currently identical to symlink().

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 68178691cda..75da73765c4 100644
--- a/source3/modules/vfs_unityed_media.c
+++ b/source3/modules/vfs_unityed_media.c
@@ -1365,6 +1365,47 @@ err:
 	return status;
 }
 
+static int um_symlinkat(vfs_handle_struct *handle,
+			const char *link_contents,
+			struct files_struct *dirfsp,
+			const struct smb_filename *new_smb_fname)
+{
+	int status;
+	char *client_link_contents = NULL;
+	struct smb_filename *new_client_fname = NULL;
+
+	DEBUG(10, ("Entering um_symlinkat\n"));
+
+	if (!is_in_media_files(link_contents) &&
+			!is_in_media_files(new_smb_fname->base_name)) {
+		return SMB_VFS_NEXT_SYMLINKAT(handle,
+				link_contents,
+				dirfsp,
+				new_smb_fname);
+	}
+
+	status = alloc_get_client_path(handle, talloc_tos(),
+				link_contents, &client_link_contents);
+	if (status != 0) {
+		goto err;
+	}
+	status = alloc_get_client_smb_fname(handle, talloc_tos(),
+					    new_smb_fname, &new_client_fname);
+	if (status != 0) {
+		goto err;
+	}
+
+	status = SMB_VFS_NEXT_SYMLINKAT(handle,
+					client_link_contents,
+					dirfsp,
+					new_client_fname);
+
+err:
+	TALLOC_FREE(client_link_contents);
+	TALLOC_FREE(new_client_fname);
+	return status;
+}
+
 static int um_readlinkat(vfs_handle_struct *handle,
 			files_struct *dirfsp,
 			const struct smb_filename *smb_fname,
@@ -1932,6 +1973,7 @@ static struct vfs_fn_pointers vfs_um_fns = {
 	.chdir_fn = um_chdir,
 	.ntimes_fn = um_ntimes,
 	.symlink_fn = um_symlink,
+	.symlinkat_fn = um_symlinkat,
 	.readlinkat_fn = um_readlinkat,
 	.linkat_fn = um_linkat,
 	.mknodat_fn = um_mknodat,