allow empty passwords (shadow-lookup only when 'x' found.)
(patch thankfully copied from T2)


--- fgetty-0.6/checkpassword.c	2001-09-10 12:35:12.000000000 +0200
+++ fgetty-0.6/checkpassword.c	2005-02-08 20:23:32.391861824 +0100
@@ -36,9 +36,11 @@
   login=buf;
   if ((pw=getpwnam(login))) {
     passwd=pw->pw_passwd;
-    if ((spw=getspnam(login)))
+    if (!strcmp(passwd, "x") && (spw=getspnam(login)))
       passwd=spw->sp_pwdp;
-    if (*passwd && !strcmp(crypt(ptr=login+strlen(login)+1,passwd),passwd)) {
+    ptr=login+strlen(login)+1;
+    if (*passwd == 0 || !strcmp(crypt(ptr,passwd),passwd)) {
+      puts("password checked\n");
       char **env,**ep;
       char buf[100];
       for (len=0; environ[len]; ++len) ;