101_close-fds.diff from the Debian package version 20080615-8:

  "wide-dhcpv6 binaries should close inherited fds."

1 files changed, 5 insertions, 0 deletions

diff --git a/dhcp6s.c b/dhcp6s.c
index 544afff..494e571 100644
--- a/dhcp6s.c
+++ b/dhcp6s.c
@@ -316,8 +316,13 @@ main(argc, argv)
 	}
 
 	if (foreground == 0) {
+		int fd;
+
 		if (daemon(0, 0) < 0)
 			err(1, "daemon");
+
+		for (fd = 3; fd < 1024; fd++)
+			close(fd);
 	}
 
 	/* dump current PID */