From 9b25329723e3284db7b060bbb301a139b8f2ace1 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Fri, 12 Oct 2007 12:55:19 -0400
Subject: 9pserve: add -n flag to reject auth by clients

---
 src/cmd/9pserve.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/cmd')

diff --git a/src/cmd/9pserve.c b/src/cmd/9pserve.c
index 1868808e..88e0f6fb 100644
--- a/src/cmd/9pserve.c
+++ b/src/cmd/9pserve.c
@@ -92,6 +92,7 @@ u32int xafid = NOFID;
 int attached;
 int versioned;
 int dotu;
+int noauth;
 
 void *gethash(Hash**, uint);
 int puthash(Hash**, uint, void*);
@@ -135,7 +136,7 @@ int cvtustat(Fcall*, uchar**, int);
 void
 usage(void)
 {
-	fprint(2, "usage: 9pserve [-lv] [-A aname afid] [-M msize] address\n");
+	fprint(2, "usage: 9pserve [-lnv] [-A aname afid] [-M msize] address\n");
 	fprint(2, "\treads/writes 9P messages on stdin/stdout\n");
 	threadexitsall("usage");
 }
@@ -165,6 +166,9 @@ threadmain(int argc, char **argv)
 		versioned = 1;
 		msize = atoi(EARGF(usage()));
 		break;
+	case 'n':
+		noauth = 1;
+		break;
 	case 'v':
 		verbose++;
 		break;
@@ -450,6 +454,10 @@ connthread(void *arg)
 				err(m, "authentication not required");
 				continue;
 			}
+			if(noauth){
+				err(m, "authentication rejected");
+				continue;
+			}
 			m->afid = fidnew(m->tx.afid);
 			if(puthash(c->fid, m->tx.afid, m->afid) < 0){
 				err(m, "duplicate fid");
-- 
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