From c7ecc59f86767b07498d770d4953b37fa205415d Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Tue, 30 Jan 2007 15:38:04 -0800
Subject: [PATCH] When running in secure mode (-s), we must not chdir while
 daemonizing

When running in secure mode (-s), we must not chdir while daemonizing.
Thanks to Adrian Urquhart for spotting this bug.
---
 tftpd/tftpd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tftpd/tftpd.c b/tftpd/tftpd.c
index a1f30f6..92a6889 100644
--- a/tftpd/tftpd.c
+++ b/tftpd/tftpd.c
@@ -502,7 +502,9 @@ main(int argc, char **argv)
     }
 
     /* Daemonize this process */
-    if (!nodaemon && daemon(0, 0) < 0) {
+    /* Note: when running in secure mode (-s), we must not chroot, since
+       we are already in the proper directory. */
+    if (!nodaemon && daemon(secure, 0) < 0) {
       syslog(LOG_ERR, "cannot daemonize: %m");
       exit(EX_OSERR);
     }