From 7731832751ab9f3c6ddeb66f186d3d7fa1934a6d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 13:11:40 +0200
Subject: Adding upstream version 2.4.57+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 servers/slapd/back-shell/bind.c | 105 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 servers/slapd/back-shell/bind.c

(limited to 'servers/slapd/back-shell/bind.c')

diff --git a/servers/slapd/back-shell/bind.c b/servers/slapd/back-shell/bind.c
new file mode 100644
index 0000000..28b9e05
--- /dev/null
+++ b/servers/slapd/back-shell/bind.c
@@ -0,0 +1,105 @@
+/* bind.c - shell backend bind function */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+
+#include "slap.h"
+#include "shell.h"
+
+int
+shell_back_bind(
+    Operation		*op,
+    SlapReply		*rs )
+{
+	struct shellinfo	*si = (struct shellinfo *) op->o_bd->be_private;
+	AttributeDescription *entry = slap_schema.si_ad_entry;
+	Entry e;
+	FILE			*rfp, *wfp;
+	int			rc;
+
+	/* allow rootdn as a means to auth without the need to actually
+ 	 * contact the proxied DSA */
+	switch ( be_rootdn_bind( op, rs ) ) {
+	case SLAP_CB_CONTINUE:
+		break;
+
+	default:
+		return rs->sr_err;
+	}
+
+	if ( si->si_bind == NULL ) {
+		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+		    "bind not implemented" );
+		return( -1 );
+	}
+
+	e.e_id = NOID;
+	e.e_name = op->o_req_dn;
+	e.e_nname = op->o_req_ndn;
+	e.e_attrs = NULL;
+	e.e_ocflags = 0;
+	e.e_bv.bv_len = 0;
+	e.e_bv.bv_val = NULL;
+	e.e_private = NULL;
+
+	if ( ! access_allowed( op, &e,
+		entry, NULL, ACL_AUTH, NULL ) )
+	{
+		send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
+		return -1;
+	}
+
+	if ( forkandexec( si->si_bind, &rfp, &wfp ) == (pid_t)-1 ) {
+		send_ldap_error( op, rs, LDAP_OTHER,
+		    "could not fork/exec" );
+		return( -1 );
+	}
+
+	/* write out the request to the bind process */
+	fprintf( wfp, "BIND\n" );
+	fprintf( wfp, "msgid: %ld\n", (long) op->o_msgid );
+	print_suffixes( wfp, op->o_bd );
+	fprintf( wfp, "dn: %s\n", op->o_req_dn.bv_val );
+	fprintf( wfp, "method: %d\n", op->oq_bind.rb_method );
+	fprintf( wfp, "credlen: %lu\n", op->oq_bind.rb_cred.bv_len );
+	fprintf( wfp, "cred: %s\n", op->oq_bind.rb_cred.bv_val ); /* XXX */
+	fclose( wfp );
+
+	/* read in the results and send them along */
+	rc = read_and_send_results( op, rs, rfp );
+	fclose( rfp );
+
+	return( rc );
+}
-- 
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