From 8858fdf15f576a3d27afb2e552edce2a85bbcbe7 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Tue, 23 Apr 2013 22:47:27 +0200 Subject: ftpd: fix nil pointer derefernece when ominiting arguments to opts command --- sys/src/cmd/ip/ftpd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/src/cmd/ip/ftpd.c b/sys/src/cmd/ip/ftpd.c index e244c39be..3f0ee55cd 100644 --- a/sys/src/cmd/ip/ftpd.c +++ b/sys/src/cmd/ip/ftpd.c @@ -485,6 +485,10 @@ optscmd(char *arg) { char *p; + if(arg == 0 || *arg == 0){ + reply("501 Syntax error in parameters or arguments"); + return 0; + } if(p = strchr(arg, ' ')) *p = 0; if(cistrcmp(arg, "UTF-8") == 0){ -- cgit v1.2.3