lib9pclient is the new libfs

src/lib9pclient/auth.c

@@ -0,0 +1,38 @@
+/* Copyright (C) 2003 Russ Cox, Massachusetts Institute of Technology */
+/* See COPYRIGHT */
+
+#include <u.h>
+#include <libc.h>
+#include <fcall.h>
+#include <9pclient.h>
+#include "fsimpl.h"
+
+CFid*
+fsauth(CFsys *fsys, char *uname, char *aname)
+{
+	Fcall tx, rx;
+	void *freep;
+	CFid *afid;
+
+	if((fid = _fsgetfid(fsys)) == nil)
+		return nil;
+
+	tx.type = Tauth;
+	tx.afid = afid->fid;
+	tx.uname = uname;
+	tx.aname = aname;
+
+	if(_fsrpc(fsys, &tx, &rx, &freep) < 0){
+		_fsputfid(afid);
+		return nil;
+	}
+	if(rx.type == Rerror){
+		werrstr("%s", rx.ename);
+		free(freep);
+		_fsputfid(afid);
+		return nil;
+	}
+	afid->qid = rx.aqid;
+	free(freep);
+	return afid;
+}