#! /bin/sh -e
## 45_auth_hack_outlook4.dpatch by Piotr Roszatycki
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: If the auth_hack_outlook4 option is set to true, exim duplicate 
## DP: AUTH in the EHLO reply and Outlook 4 can work with exim AUTH.

if [ $# -ne 1 ]; then
    echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    exit 1
fi
case "$1" in
	-patch) patch -f --no-backup-if-mismatch -p1 < $0;;
	-unpatch) patch -f --no-backup-if-mismatch -R -p1 < $0;;
	*)
		echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
		exit 1;;
esac

exit 0
				    
@DPATCH@
diff -ru exim-4.44.orig/src/globals.c exim-4.44/src/globals.c
--- exim-4.44.orig/src/globals.c	2005-01-11 14:43:27 +0100
+++ exim-4.44/src/globals.c	2005-02-16 16:44:37 +0100
@@ -281,6 +281,7 @@
 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 BOOL    allow_utf8_domains     = FALSE;
+BOOL    auth_hack_outlook4     = FALSE;
 uschar *authenticated_id       = NULL;
 uschar *authenticated_sender   = NULL;
 BOOL    authentication_failed  = FALSE;
diff -ru exim-4.44.orig/src/globals.h exim-4.44/src/globals.h
--- exim-4.44.orig/src/globals.h	2005-01-11 14:43:27 +0100
+++ exim-4.44/src/globals.h	2005-02-16 16:44:37 +0100
@@ -130,6 +130,7 @@
 extern BOOL    allow_unqualified_recipient; /* As it says */
 extern BOOL    allow_unqualified_sender; /* Ditto */
 extern BOOL    allow_utf8_domains;     /* For experimenting */
+extern BOOL    auth_hack_outlook4;     /* If FALSE, advertise only when needed */
 extern uschar *authenticated_id;       /* ID that was authenticated */
 extern uschar *authenticated_sender;   /* From AUTH on MAIL */
 extern BOOL    authentication_failed;  /* TRUE if AUTH was tried and failed */
diff -ru exim-4.44.orig/src/readconf.c exim-4.44/src/readconf.c
--- exim-4.44.orig/src/readconf.c	2005-01-11 13:54:54 +0100
+++ exim-4.44/src/readconf.c	2005-02-16 16:45:12 +0100
@@ -153,6 +153,7 @@
   { "allow_mx_to_ip",           opt_bool,        &allow_mx_to_ip },
   { "allow_utf8_domains",       opt_bool,        &allow_utf8_domains },
   { "auth_advertise_hosts",     opt_stringptr,   &auth_advertise_hosts },
+  { "auth_hack_outlook4",       opt_bool,        &auth_hack_outlook4 },
   { "auto_thaw",                opt_time,        &auto_thaw },
   { "bi_command",               opt_stringptr,   &bi_command },
   { "bounce_message_file",      opt_stringptr,   &bounce_message_file },
diff -ru exim-4.44.orig/src/smtp_in.c exim-4.44/src/smtp_in.c
--- exim-4.44.orig/src/smtp_in.c	2005-01-11 14:30:55 +0100
+++ exim-4.44/src/smtp_in.c	2005-02-16 16:44:37 +0100
@@ -2470,7 +2470,9 @@
         if (verify_check_host(&auth_advertise_hosts) == OK)
           {
           auth_instance *au;
+          int s_auth;
           BOOL first = TRUE;
+          s_auth=ptr;
           for (au = auths; au != NULL; au = au->next)
             {
             if (au->server && (au->advertise_condition == NULL ||
@@ -2493,7 +2495,15 @@
               }
             else au->advertised = FALSE;
             }
-          if (!first) s = string_cat(s, &size, &ptr, US"\r\n", 2);
+          if (!first) 
+            {
+            s = string_cat(s, &size, &ptr, US"\r\n", 2);
+            if (auth_hack_outlook4) 
+              {
+              s = string_cat(s, &size, &ptr, s+s_auth,ptr-s_auth);
+              *(s+s_auth+8)='=';
+              }
+            }
           }
         }