From 526ba90e4c3d06b516d32333d23e5475c78d1dad Mon Sep 17 00:00:00 2001 From: Assar Westerlund Date: Sun, 8 Oct 2000 13:32:28 +0000 Subject: [PATCH] (my_telnet): check that fds are not too large to select on git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9106 ec53bebd-3082-4978-b11e-865c3cabbd6b --- appl/telnet/telnetd/telnetd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/appl/telnet/telnetd/telnetd.c b/appl/telnet/telnetd/telnetd.c index 5c7331dd3..50a94609d 100644 --- a/appl/telnet/telnetd/telnetd.c +++ b/appl/telnet/telnetd/telnetd.c @@ -969,6 +969,11 @@ my_telnet(int f, int p, char *host, int level, char *autoname) FD_ZERO(&ibits); FD_ZERO(&obits); FD_ZERO(&xbits); + + if (f >= FD_SETSIZE + || p >= FD_SETSIZE) + fatal(net, "fd too large"); + /* * Never look for input if there's still * stuff in the corresponding output buffer