@@ -1152,6 +1152,8 @@ sitecmd(char *arg)
int nf, r;
Dir *d;
+ if(arg == 0)
+ return reply("501 bad site command");
nf = tokenize(arg, f, nelem(f));
if(nf != 3 || cistrcmp(f[0], "chmod") != 0)
return reply("501 bad site command");