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(Note that this patch is not useful on its own... it just adds some
hooks to work with the LDAP authentication process at a lower level
than the API otherwise allows. The code that calls these hooks and
actually drives the NTLM authentication process is in
lib/e2k-global-catalog.c, and the code that actually implements the
NTLM algorithms is in xntlm/.)
This is a patch against OpenLDAP 2.2.6. Apply with -p0
--- include/ldap.h.orig 2004-01-01 13:16:28.000000000 -0500
+++ include/ldap.h 2004-07-14 11:58:49.000000000 -0400
@@ -1753,5 +1753,26 @@
LDAPControl **cctrls ));
+/*
+ * hacks for NTLM
+ */
+#define LDAP_AUTH_NTLM_REQUEST ((ber_tag_t) 0x8aU)
+#define LDAP_AUTH_NTLM_RESPONSE ((ber_tag_t) 0x8bU)
+LDAP_F( int )
+ldap_ntlm_bind LDAP_P((
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ ber_tag_t tag,
+ struct berval *cred,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls,
+ int *msgidp ));
+LDAP_F( int )
+ldap_parse_ntlm_bind_result LDAP_P((
+ LDAP *ld,
+ LDAPMessage *res,
+ struct berval *challenge));
+
+
LDAP_END_DECL
#endif /* _LDAP_H */
--- libraries/libldap/Makefile.in.orig 2004-01-01 13:16:29.000000000 -0500
+++ libraries/libldap/Makefile.in 2004-07-14 13:37:23.000000000 -0400
@@ -20,7 +20,7 @@
SRCS = bind.c open.c result.c error.c compare.c search.c \
controls.c messages.c references.c extended.c cyrus.c \
modify.c add.c modrdn.c delete.c abandon.c \
- sasl.c sbind.c kbind.c unbind.c cancel.c \
+ sasl.c ntlm.c sbind.c kbind.c unbind.c cancel.c \
filter.c free.c sort.c passwd.c whoami.c \
getdn.c getentry.c getattr.c getvalues.c addentry.c \
request.c os-ip.c url.c sortctrl.c vlvctrl.c \
@@ -29,7 +29,7 @@
OBJS = bind.lo open.lo result.lo error.lo compare.lo search.lo \
controls.lo messages.lo references.lo extended.lo cyrus.lo \
modify.lo add.lo modrdn.lo delete.lo abandon.lo \
- sasl.lo sbind.lo kbind.lo unbind.lo cancel.lo \
+ sasl.lo ntlm.lo sbind.lo kbind.lo unbind.lo cancel.lo \
filter.lo free.lo sort.lo passwd.lo whoami.lo \
getdn.lo getentry.lo getattr.lo getvalues.lo addentry.lo \
request.lo os-ip.lo url.lo sortctrl.lo vlvctrl.lo \
--- /dev/null 2004-06-30 15:04:37.000000000 -0400
+++ libraries/libldap/ntlm.c 2004-07-14 13:44:18.000000000 -0400
@@ -0,0 +1,137 @@
+/* $OpenLDAP: pkg/ldap/libraries/libldap/ntlm.c,v 1.1.4.10 2002/01/04 20:38:21 kurt Exp $ */
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+
+/* Mostly copied from sasl.c */
+
+#include "portable.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+#include <ac/errno.h>
+
+#include "ldap-int.h"
+
+int
+ldap_ntlm_bind(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ ber_tag_t tag,
+ struct berval *cred,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls,
+ int *msgidp )
+{
+ BerElement *ber;
+ int rc;
+ ber_int_t id;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_ntlm_bind\n", 0, 0, 0 );
+
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+ assert( msgidp != NULL );
+
+ if( msgidp == NULL ) {
+ ld->ld_errno = LDAP_PARAM_ERROR;
+ return ld->ld_errno;
+ }
+
+ /* create a message to send */
+ if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ return ld->ld_errno;
+ }
+
+ assert( LBER_VALID( ber ) );
+
+ LDAP_NEXT_MSGID( ld, id );
+ rc = ber_printf( ber, "{it{istON}" /*}*/,
+ id, LDAP_REQ_BIND,
+ ld->ld_version, dn, tag,
+ cred );
+
+ /* Put Server Controls */
+ if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
+ ber_free( ber, 1 );
+ return ld->ld_errno;
+ }
+
+ if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return ld->ld_errno;
+ }
+
+ /* send the message */
+ *msgidp = ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id );
+
+ if(*msgidp < 0)
+ return ld->ld_errno;
+
+ return LDAP_SUCCESS;
+}
+
+int
+ldap_parse_ntlm_bind_result(
+ LDAP *ld,
+ LDAPMessage *res,
+ struct berval *challenge)
+{
+ ber_int_t errcode;
+ ber_tag_t tag;
+ BerElement *ber;
+ ber_len_t len;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_parse_ntlm_bind_result\n", 0, 0, 0 );
+
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+ assert( res != NULL );
+
+ if ( ld == NULL || res == NULL ) {
+ return LDAP_PARAM_ERROR;
+ }
+
+ if( res->lm_msgtype != LDAP_RES_BIND ) {
+ ld->ld_errno = LDAP_PARAM_ERROR;
+ return ld->ld_errno;
+ }
+
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ ld->ld_error = NULL;
+ }
+ if ( ld->ld_matched ) {
+ LDAP_FREE( ld->ld_matched );
+ ld->ld_matched = NULL;
+ }
+
+ /* parse results */
+
+ ber = ber_dup( res->lm_ber );
+
+ if( ber == NULL ) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ return ld->ld_errno;
+ }
+
+ tag = ber_scanf( ber, "{ioa" /*}*/,
+ &errcode, challenge, &ld->ld_error );
+ ber_free( ber, 0 );
+
+ if( tag == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return ld->ld_errno;
+ }
+
+ ld->ld_errno = errcode;
+
+ return( ld->ld_errno );
+}
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