-diff -up openssh-6.2p1/configure.ac.ldap openssh-6.2p1/configure.ac
---- openssh-6.2p1/configure.ac.ldap 2013-03-20 02:55:15.000000000 +0100
-+++ openssh-6.2p1/configure.ac 2013-03-25 21:27:15.888248071 +0100
-@@ -1509,6 +1509,106 @@ AC_ARG_WITH([audit],
- esac ]
- )
-
-+# Check whether user wants LDAP support
-+LDAP_MSG="no"
-+INSTALL_SSH_LDAP_HELPER=""
-+AC_ARG_WITH(ldap,
-+ [ --with-ldap[[=PATH]] Enable LDAP pubkey support (optionally in PATH)],
-+ [
-+ if test "x$withval" != "xno" ; then
-+
-+ INSTALL_SSH_LDAP_HELPER="yes"
-+ CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
-+
-+ if test "x$withval" != "xyes" ; then
-+ CPPFLAGS="$CPPFLAGS -I${withval}/include"
-+ LDFLAGS="$LDFLAGS -L${withval}/lib"
-+ fi
-+
-+ AC_DEFINE([WITH_LDAP_PUBKEY], 1, [Enable LDAP pubkey support])
-+ LDAP_MSG="yes"
-+
-+ AC_CHECK_HEADERS(lber.h)
-+ AC_CHECK_HEADERS(ldap.h, , AC_MSG_ERROR(could not locate <ldap.h>))
-+ AC_CHECK_HEADERS(ldap_ssl.h)
-+
-+ AC_ARG_WITH(ldap-lib,
-+ [ --with-ldap-lib=type select ldap library [auto|netscape5|netscape4|netscape3|umich|openldap]])
-+
-+ if test -z "$with_ldap_lib"; then
-+ with_ldap_lib=auto
-+ fi
-+
-+ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = umich -o $with_ldap_lib = openldap \); then
-+ AC_CHECK_LIB(lber, main, LIBS="-llber $LIBS" found_ldap_lib=yes)
-+ AC_CHECK_LIB(ldap, main, LIBS="-lldap $LIBS" found_ldap_lib=yes)
-+ fi
-+
-+ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape5 \); then
-+ AC_CHECK_LIB(ldap50, main, LIBS="-lldap50 -lssldap50 -lssl3 -lnss3 -lnspr4 -lprldap50 -lplc4 -lplds4 $LIBS" found_ldap_lib=yes)
-+ fi
-+
-+ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape4 \); then
-+ AC_CHECK_LIB(ldapssl41, main, LIBS="-lldapssl41 -lplc3 -lplds3 -lnspr3 $LIBS" found_ldap_lib=yes)
-+ if test -z "$found_ldap_lib"; then
-+ AC_CHECK_LIB(ldapssl40, main, LIBS="-lldapssl40 $LIBS" found_ldap_lib=yes)
-+ fi
-+ if test -z "$found_ldap_lib"; then
-+ AC_CHECK_LIB(ldap41, main, LIBS="-lldap41 $LIBS" found_ldap_lib=yes)
-+ fi
-+ if test -z "$found_ldap_lib"; then
-+ AC_CHECK_LIB(ldap40, main, LIBS="-lldap40 $LIBS" found_ldap_lib=yes)
-+ fi
-+ fi
-+
-+ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape3 \); then
-+ AC_CHECK_LIB(ldapssl30, main, LIBS="-lldapssl30 $LIBS" found_ldap_lib=yes)
-+ fi
-+
-+ if test -z "$found_ldap_lib"; then
-+ AC_MSG_ERROR(could not locate a valid LDAP library)
-+ fi
-+
-+ AC_MSG_CHECKING([for working LDAP support])
-+ AC_TRY_COMPILE(
-+ [#include <sys/types.h>
-+ #include <ldap.h>],
-+ [(void)ldap_init(0, 0);],
-+ [AC_MSG_RESULT(yes)],
-+ [
-+ AC_MSG_RESULT(no)
-+ AC_MSG_ERROR([** Incomplete or missing ldap libraries **])
-+ ])
-+ AC_CHECK_FUNCS( \
-+ ldap_init \
-+ ldap_get_lderrno \
-+ ldap_set_lderrno \
-+ ldap_parse_result \
-+ ldap_memfree \
-+ ldap_controls_free \
-+ ldap_set_option \
-+ ldap_get_option \
-+ ldapssl_init \
-+ ldap_start_tls_s \
-+ ldap_pvt_tls_set_option \
-+ ldap_initialize \
-+ )
-+ AC_CHECK_FUNCS(ldap_set_rebind_proc,
-+ AC_MSG_CHECKING([number arguments of ldap_set_rebind_proc])
-+ AC_TRY_COMPILE(
-+ [#include <lber.h>
-+ #include <ldap.h>],
-+ [ldap_set_rebind_proc(0, 0, 0);],
-+ [ac_cv_ldap_set_rebind_proc=3],
-+ [ac_cv_ldap_set_rebind_proc=2])
-+ AC_MSG_RESULT($ac_cv_ldap_set_rebind_proc)
-+ AC_DEFINE(LDAP_SET_REBIND_PROC_ARGS, $ac_cv_ldap_set_rebind_proc, [number arguments of ldap_set_rebind_proc])
-+ )
-+ fi
-+ ]
-+)
-+AC_SUBST(INSTALL_SSH_LDAP_HELPER)
-+
- dnl Checks for library functions. Please keep in alphabetical order
- AC_CHECK_FUNCS([ \
- arc4random \
-diff -up openssh-6.2p1/HOWTO.ldap-keys.ldap openssh-6.2p1/HOWTO.ldap-keys
---- openssh-6.2p1/HOWTO.ldap-keys.ldap 2013-03-25 21:27:15.889248078 +0100
-+++ openssh-6.2p1/HOWTO.ldap-keys 2013-03-25 21:27:15.889248078 +0100
+diff -urNp -x '*.orig' openssh-8.4p1.org/HOWTO.ldap-keys openssh-8.4p1/HOWTO.ldap-keys
+--- openssh-8.4p1.org/HOWTO.ldap-keys 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/HOWTO.ldap-keys 2021-03-01 11:29:31.277623165 +0100
@@ -0,0 +1,108 @@
+
+HOW TO START
+5) Author
+ Jan F. Chadima <jchadima@redhat.com>
+
-diff -up openssh-6.2p1/ldapbody.c.ldap openssh-6.2p1/ldapbody.c
---- openssh-6.2p1/ldapbody.c.ldap 2013-03-25 21:27:15.889248078 +0100
-+++ openssh-6.2p1/ldapbody.c 2013-03-25 21:27:15.889248078 +0100
-@@ -0,0 +1,494 @@
-+/* $OpenBSD: ldapbody.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
-+/*
-+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
-+ *
-+ * Redistribution and use in source and binary forms, with or without
-+ * modification, are permitted provided that the following conditions
-+ * are met:
-+ * 1. Redistributions of source code must retain the above copyright
-+ * notice, this list of conditions and the following disclaimer.
-+ * 2. Redistributions in binary form must reproduce the above copyright
-+ * notice, this list of conditions and the following disclaimer in the
-+ * documentation and/or other materials provided with the distribution.
-+ *
-+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-+ */
+diff -urNp -x '*.orig' openssh-8.4p1.org/Makefile.in openssh-8.4p1/Makefile.in
+--- openssh-8.4p1.org/Makefile.in 2020-09-27 09:25:01.000000000 +0200
++++ openssh-8.4p1/Makefile.in 2021-03-01 11:29:31.280956671 +0100
+@@ -23,6 +23,8 @@ SSH_PROGRAM=@bindir@/ssh
+ ASKPASS_PROGRAM=$(libexecdir)/ssh-askpass
+ SFTP_SERVER=$(libexecdir)/sftp-server
+ SSH_KEYSIGN=$(libexecdir)/ssh-keysign
++SSH_LDAP_HELPER=$(libexecdir)/ssh-ldap-helper
++SSH_LDAP_WRAPPER=$(libexecdir)/ssh-ldap-wrapper
+ SSH_PKCS11_HELPER=$(libexecdir)/ssh-pkcs11-helper
+ SSH_SK_HELPER=$(libexecdir)/ssh-sk-helper
+ PRIVSEP_PATH=@PRIVSEP_PATH@
+@@ -63,10 +65,11 @@ LDFLAGS_NOPIE=-L. -Lopenbsd-compat/ @LDF
+ EXEEXT=@EXEEXT@
+ MANFMT=@MANFMT@
+ MKDIR_P=@MKDIR_P@
++INSTALL_SSH_LDAP_HELPER=@INSTALL_SSH_LDAP_HELPER@
+
+ .SUFFIXES: .lo
+
+-TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-sk-helper$(EXEEXT)
++TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-sk-helper$(EXEEXT) ssh-ldap-helper$(EXEEXT)
+
+ XMSS_OBJS=\
+ ssh-xmss.o \
+@@ -150,8 +153,8 @@ SFTPSERVER_OBJS=sftp-common.o sftp-serve
+
+ SFTP_OBJS= sftp.o sftp-client.o sftp-common.o sftp-glob.o progressmeter.o
+
+-MANPAGES = moduli.5.out scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-keysign.8.out ssh-pkcs11-helper.8.out ssh-sk-helper.8.out sshd_config.5.out ssh_config.5.out
+-MANPAGES_IN = moduli.5 scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1 ssh-keysign.8 ssh-pkcs11-helper.8 ssh-sk-helper.8 sshd_config.5 ssh_config.5
++MANPAGES = moduli.5.out scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-keysign.8.out ssh-pkcs11-helper.8.out ssh-sk-helper.8.out ssh-ldap-helper.8.out sshd_config.5.out ssh_config.5.out ssh-ldap.conf.5.out
++MANPAGES_IN = moduli.5 scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1 ssh-keysign.8 ssh-pkcs11-helper.8 ssh-sk-helper.8 ssh-ldap-helper.8 sshd_config.5 ssh_config.5 ssh-ldap.conf.5
+ MANTYPE = @MANTYPE@
+
+ CONFIGFILES=sshd_config.out ssh_config.out moduli.out
+@@ -230,6 +233,9 @@ ssh-pkcs11-helper$(EXEEXT): $(LIBCOMPAT)
+ ssh-sk-helper$(EXEEXT): $(LIBCOMPAT) libssh.a $(SKHELPER_OBJS)
+ $(LD) -o $@ $(SKHELPER_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS) $(LIBFIDO2)
+
++ssh-ldap-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o
++ $(LD) -o $@ ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
+
-+#include "ldapincludes.h"
-+#include "log.h"
-+#include "xmalloc.h"
-+#include "ldapconf.h"
-+#include "ldapmisc.h"
-+#include "ldapbody.h"
-+#include <stdio.h>
-+#include <unistd.h>
+ ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHKEYSCAN_OBJS)
+ $(LD) -o $@ $(SSHKEYSCAN_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
+
+@@ -395,6 +401,10 @@ install-files:
+ $(INSTALL) -m 4711 $(STRIP_OPT) ssh-keysign$(EXEEXT) $(DESTDIR)$(SSH_KEYSIGN)$(EXEEXT)
+ $(INSTALL) -m 0755 $(STRIP_OPT) ssh-pkcs11-helper$(EXEEXT) $(DESTDIR)$(SSH_PKCS11_HELPER)$(EXEEXT)
+ $(INSTALL) -m 0755 $(STRIP_OPT) ssh-sk-helper$(EXEEXT) $(DESTDIR)$(SSH_SK_HELPER)$(EXEEXT)
++ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
++ $(INSTALL) -m 0700 $(STRIP_OPT) ssh-ldap-helper $(DESTDIR)$(SSH_LDAP_HELPER) ; \
++ $(INSTALL) -m 0700 ssh-ldap-wrapper $(DESTDIR)$(SSH_LDAP_WRAPPER) ; \
++ fi
+ $(INSTALL) -m 0755 $(STRIP_OPT) sftp$(EXEEXT) $(DESTDIR)$(bindir)/sftp$(EXEEXT)
+ $(INSTALL) -m 0755 $(STRIP_OPT) sftp-server$(EXEEXT) $(DESTDIR)$(SFTP_SERVER)$(EXEEXT)
+ $(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
+@@ -412,6 +422,10 @@ install-files:
+ $(INSTALL) -m 644 ssh-keysign.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-keysign.8
+ $(INSTALL) -m 644 ssh-pkcs11-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-pkcs11-helper.8
+ $(INSTALL) -m 644 ssh-sk-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-sk-helper.8
++ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
++ $(INSTALL) -m 644 ssh-ldap-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-ldap-helper.8 ; \
++ $(INSTALL) -m 644 ssh-ldap.conf.5.out $(DESTDIR)$(mandir)/$(mansubdir)5/ssh-ldap.conf.5 ; \
++ fi
+
+ install-sysconf:
+ $(MKDIR_P) $(DESTDIR)$(sysconfdir)
+@@ -435,6 +449,13 @@ install-sysconf:
+ else \
+ echo "$(DESTDIR)$(sysconfdir)/moduli already exists, install will not overwrite"; \
+ fi
++ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
++ if [ ! -f $(DESTDIR)$(sysconfdir)/ldap.conf ]; then \
++ $(INSTALL) -m 644 ldap.conf $(DESTDIR)$(sysconfdir)/ldap.conf; \
++ else \
++ echo "$(DESTDIR)$(sysconfdir)/ldap.conf already exists, install will not overwrite"; \
++ fi ; \
++ fi
+
+ host-key: ssh-keygen$(EXEEXT)
+ @if [ -z "$(DESTDIR)" ] ; then \
+@@ -473,6 +494,8 @@ uninstall:
+ -rm -f $(DESTDIR)$(SSH_KEYSIGN)$(EXEEXT)
+ -rm -f $(DESTDIR)$(SSH_PKCS11_HELPER)$(EXEEXT)
+ -rm -f $(DESTDIR)$(SSH_SK_HELPER)$(EXEEXT)
++ -rm -f $(DESTDIR)$(SSH_LDAP_HELPER)$(EXEEXT)
++ -rm -f $(DESTDIR)$(SSH_LDAP_WRAPPER)$(EXEEXT)
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/scp.1
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh-add.1
+@@ -485,6 +508,7 @@ uninstall:
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-keysign.8
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-pkcs11-helper.8
+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-sk-helper.8
++ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-ldap-helper.8
+
+ regress-prep:
+ $(MKDIR_P) `pwd`/regress/unittests/test_helper
+diff -urNp -x '*.orig' openssh-8.4p1.org/configure.ac openssh-8.4p1/configure.ac
+--- openssh-8.4p1.org/configure.ac 2021-03-01 11:29:31.004275724 +0100
++++ openssh-8.4p1/configure.ac 2021-03-01 11:29:31.277623165 +0100
+@@ -1763,6 +1763,106 @@ AC_COMPILE_IFELSE(
+ CFLAGS="$SAVED_CFLAGS"
+ AC_SUBST([PICFLAG])
+
++# Check whether user wants LDAP support
++LDAP_MSG="no"
++INSTALL_SSH_LDAP_HELPER=""
++AC_ARG_WITH(ldap,
++ [ --with-ldap[[=PATH]] Enable LDAP pubkey support (optionally in PATH)],
++ [
++ if test "x$withval" != "xno" ; then
+
-+#define LDAPSEARCH_FORMAT "(&(objectclass=%s)(objectclass=ldapPublicKey)(uid=%s)%s)"
-+#define PUBKEYATTR "sshPublicKey"
-+#define LDAP_LOGFILE "%s/ldap.%d"
++ INSTALL_SSH_LDAP_HELPER="yes"
++ CPPFLAGS="$CPPFLAGS -DLDAP_DEPRECATED"
+
-+static FILE *logfile = NULL;
-+static LDAP *ld;
++ if test "x$withval" != "xyes" ; then
++ CPPFLAGS="$CPPFLAGS -I${withval}/include"
++ LDFLAGS="$LDFLAGS -L${withval}/lib"
++ fi
+
-+static char *attrs[] = {
-+ PUBKEYATTR,
-+ NULL
-+};
++ AC_DEFINE([WITH_LDAP_PUBKEY], 1, [Enable LDAP pubkey support])
++ LDAP_MSG="yes"
+
-+void
-+ldap_checkconfig (void)
-+{
-+#ifdef HAVE_LDAP_INITIALIZE
-+ if (options.host == NULL && options.uri == NULL)
-+#else
-+ if (options.host == NULL)
-+#endif
-+ fatal ("missing \"host\" in config file");
-+}
++ AC_CHECK_HEADERS(lber.h)
++ AC_CHECK_HEADERS(ldap.h, , AC_MSG_ERROR(could not locate <ldap.h>))
++ AC_CHECK_HEADERS(ldap_ssl.h)
+
-+#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
-+static int
-+_rebind_proc (LDAP * ld, LDAP_CONST char *url, int request, ber_int_t msgid)
-+{
-+ struct timeval timeout;
-+ int rc;
-+#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
-+ LDAPMessage *result;
-+#endif /* HAVE_LDAP_PARSE_RESULT && HAVE_LDAP_CONTROLS_FREE */
-+
-+ debug2 ("Doing LDAP rebind to %s", options.binddn);
-+ if (options.ssl == SSL_START_TLS) {
-+ if ((rc = ldap_start_tls_s (ld, NULL, NULL)) != LDAP_SUCCESS) {
-+ error ("ldap_starttls_s: %s", ldap_err2string (rc));
-+ return LDAP_OPERATIONS_ERROR;
-+ }
-+ }
-+
-+#if !defined(HAVE_LDAP_PARSE_RESULT) || !defined(HAVE_LDAP_CONTROLS_FREE)
-+ return ldap_simple_bind_s (ld, options.binddn, options.bindpw);
-+#else
-+ if (ldap_simple_bind(ld, options.binddn, options.bindpw) < 0)
-+ fatal ("ldap_simple_bind %s", ldap_err2string (ldap_get_lderrno (ld, 0, 0)));
-+
-+ timeout.tv_sec = options.bind_timelimit;
-+ timeout.tv_usec = 0;
-+ result = NULL;
-+ if ((rc = ldap_result (ld, msgid, FALSE, &timeout, &result)) < 1) {
-+ error ("ldap_result %s", ldap_err2string (ldap_get_lderrno (ld, 0, 0)));
-+ ldap_msgfree (result);
-+ return LDAP_OPERATIONS_ERROR;
-+ }
-+ debug3 ("LDAP rebind to %s succesfull", options.binddn);
-+ return rc;
-+#endif
-+}
-+#else
-+
-+static int
-+_rebind_proc (LDAP * ld, char **whop, char **credp, int *methodp, int freeit)
-+{
-+ if (freeit)
-+ return LDAP_SUCCESS;
-+
-+ *whop = strdup (options.binddn);
-+ *credp = strdup (options.bindpw);
-+ *methodp = LDAP_AUTH_SIMPLE;
-+ debug2 ("Doing LDAP rebind for %s", *whop);
-+ return LDAP_SUCCESS;
-+}
-+#endif
-+
-+void
-+ldap_do_connect(void)
-+{
-+ int rc, msgid, ld_errno = 0;
-+ struct timeval timeout;
-+#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
-+ int parserc;
-+ LDAPMessage *result;
-+ LDAPControl **controls;
-+ int reconnect = 0;
-+#endif /* HAVE_LDAP_PARSE_RESULT && HAVE_LDAP_CONTROLS_FREE */
-+
-+ debug ("LDAP do connect");
-+
-+retry:
-+ if (reconnect) {
-+ debug3 ("Reconnecting with ld_errno %d", ld_errno);
-+ if (options.bind_policy == 0 ||
-+ (ld_errno != LDAP_SERVER_DOWN && ld_errno != LDAP_TIMEOUT) ||
-+ reconnect > 5)
-+ fatal ("Cannot connect to LDAP server");
-+
-+ if (reconnect > 1)
-+ sleep (reconnect - 1);
-+
-+ if (ld != NULL) {
-+ ldap_unbind (ld);
-+ ld = NULL;
-+ }
-+ logit("reconnecting to LDAP server...");
-+ }
-+
-+ if (ld == NULL) {
-+ int rc;
-+ struct timeval tv;
-+
-+#ifdef HAVE_LDAP_SET_OPTION
-+ if (options.debug > 0) {
-+#ifdef LBER_OPT_LOG_PRINT_FILE
-+ if (options.logdir) {
-+ char *logfilename;
-+ int logfilenamelen;
-+
-+ logfilenamelen = strlen (LDAP_LOGFILE) + strlen ("000000") + strlen (options.logdir);
-+ logfilename = xmalloc (logfilenamelen);
-+ snprintf (logfilename, logfilenamelen, LDAP_LOGFILE, options.logdir, (int) getpid ());
-+ logfilename[logfilenamelen - 1] = 0;
-+ if ((logfile = fopen (logfilename, "a")) == NULL)
-+ fatal ("cannot append to %s: %s", logfilename, strerror (errno));
-+ debug3 ("LDAP debug into %s", logfilename);
-+ free (logfilename);
-+ ber_set_option (NULL, LBER_OPT_LOG_PRINT_FILE, logfile);
-+ }
-+#endif
-+ if (options.debug) {
-+#ifdef LBER_OPT_DEBUG_LEVEL
-+ ber_set_option (NULL, LBER_OPT_DEBUG_LEVEL, &options.debug);
-+#endif /* LBER_OPT_DEBUG_LEVEL */
-+#ifdef LDAP_OPT_DEBUG_LEVEL
-+ (void) ldap_set_option (NULL, LDAP_OPT_DEBUG_LEVEL, &options.debug);
-+#endif /* LDAP_OPT_DEBUG_LEVEL */
-+ debug3 ("Set LDAP debug to %d", options.debug);
-+ }
-+ }
-+#endif /* HAVE_LDAP_SET_OPTION */
-+
-+ ld = NULL;
-+#ifdef HAVE_LDAPSSL_INIT
-+ if (options.host != NULL) {
-+ if (options.ssl_on == SSL_LDAPS) {
-+ if ((rc = ldapssl_client_init (options.sslpath, NULL)) != LDAP_SUCCESS)
-+ fatal ("ldapssl_client_init %s", ldap_err2string (rc));
-+ debug3 ("LDAPssl client init");
-+ }
-+
-+ if (options.ssl_on != SSL_OFF) {
-+ if ((ld = ldapssl_init (options.host, options.port, TRUE)) == NULL)
-+ fatal ("ldapssl_init failed");
-+ debug3 ("LDAPssl init");
-+ }
-+ }
-+#endif /* HAVE_LDAPSSL_INIT */
-+
-+ /* continue with opening */
-+ if (ld == NULL) {
-+#if defined (HAVE_LDAP_START_TLS_S) || (defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_X_TLS))
-+ /* Some global TLS-specific options need to be set before we create our
-+ * session context, so we set them here. */
++ AC_ARG_WITH(ldap-lib,
++ [ --with-ldap-lib=type select ldap library [auto|netscape5|netscape4|netscape3|umich|openldap]])
+
-+#ifdef LDAP_OPT_X_TLS_RANDOM_FILE
-+ /* rand file */
-+ if (options.tls_randfile != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_RANDOM_FILE,
-+ options.tls_randfile)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_RANDOM_FILE): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS random file %s", options.tls_randfile);
-+ }
-+#endif /* LDAP_OPT_X_TLS_RANDOM_FILE */
++ if test -z "$with_ldap_lib"; then
++ with_ldap_lib=auto
++ fi
+
-+ /* ca cert file */
-+ if (options.tls_cacertfile != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CACERTFILE,
-+ options.tls_cacertfile)) != LDAP_SUCCESS)
-+ error ("ldap_set_option(LDAP_OPT_X_TLS_CACERTFILE): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS CA cert file %s ", options.tls_cacertfile);
-+ }
++ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = umich -o $with_ldap_lib = openldap \); then
++ AC_CHECK_LIB(lber, main, LIBS="-llber $LIBS" found_ldap_lib=yes)
++ AC_CHECK_LIB(ldap, main, LIBS="-lldap $LIBS" found_ldap_lib=yes)
++ fi
+
-+ /* ca cert directory */
-+ if (options.tls_cacertdir != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CACERTDIR,
-+ options.tls_cacertdir)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CACERTDIR): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS CA cert dir %s ", options.tls_cacertdir);
-+ }
++ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape5 \); then
++ AC_CHECK_LIB(ldap50, main, LIBS="-lldap50 -lssldap50 -lssl3 -lnss3 -lnspr4 -lprldap50 -lplc4 -lplds4 $LIBS" found_ldap_lib=yes)
++ fi
+
-+ /* require cert? */
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_REQUIRE_CERT,
-+ &options.tls_checkpeer)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_REQUIRE_CERT): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS check peer to %d ", options.tls_checkpeer);
++ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape4 \); then
++ AC_CHECK_LIB(ldapssl41, main, LIBS="-lldapssl41 -lplc3 -lplds3 -lnspr3 $LIBS" found_ldap_lib=yes)
++ if test -z "$found_ldap_lib"; then
++ AC_CHECK_LIB(ldapssl40, main, LIBS="-lldapssl40 $LIBS" found_ldap_lib=yes)
++ fi
++ if test -z "$found_ldap_lib"; then
++ AC_CHECK_LIB(ldap41, main, LIBS="-lldap41 $LIBS" found_ldap_lib=yes)
++ fi
++ if test -z "$found_ldap_lib"; then
++ AC_CHECK_LIB(ldap40, main, LIBS="-lldap40 $LIBS" found_ldap_lib=yes)
++ fi
++ fi
+
-+ /* set cipher suite, certificate and private key: */
-+ if (options.tls_ciphers != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CIPHER_SUITE,
-+ options.tls_ciphers)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CIPHER_SUITE): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS ciphers to %s ", options.tls_ciphers);
-+ }
++ if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = netscape3 \); then
++ AC_CHECK_LIB(ldapssl30, main, LIBS="-lldapssl30 $LIBS" found_ldap_lib=yes)
++ fi
+
-+ /* cert file */
-+ if (options.tls_cert != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CERTFILE,
-+ options.tls_cert)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CERTFILE): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS cert file %s ", options.tls_cert);
-+ }
++ if test -z "$found_ldap_lib"; then
++ AC_MSG_ERROR(could not locate a valid LDAP library)
++ fi
+
-+ /* key file */
-+ if (options.tls_key != NULL) {
-+ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_KEYFILE,
-+ options.tls_key)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS_KEYFILE): %s",
-+ ldap_err2string (rc));
-+ debug3 ("Set TLS key file %s ", options.tls_key);
-+ }
-+#endif
-+#ifdef HAVE_LDAP_INITIALIZE
-+ if (options.uri != NULL) {
-+ if ((rc = ldap_initialize (&ld, options.uri)) != LDAP_SUCCESS)
-+ fatal ("ldap_initialize %s", ldap_err2string (rc));
-+ debug3 ("LDAP initialize %s", options.uri);
-+ }
-+ }
-+#endif /* HAVE_LDAP_INTITIALIZE */
++ AC_MSG_CHECKING([for working LDAP support])
++ AC_TRY_COMPILE(
++ [#include <sys/types.h>
++ #include <ldap.h>],
++ [(void)ldap_init(0, 0);],
++ [AC_MSG_RESULT(yes)],
++ [
++ AC_MSG_RESULT(no)
++ AC_MSG_ERROR([** Incomplete or missing ldap libraries **])
++ ])
++ AC_CHECK_FUNCS( \
++ ldap_init \
++ ldap_get_lderrno \
++ ldap_set_lderrno \
++ ldap_parse_result \
++ ldap_memfree \
++ ldap_controls_free \
++ ldap_set_option \
++ ldap_get_option \
++ ldapssl_init \
++ ldap_start_tls_s \
++ ldap_pvt_tls_set_option \
++ ldap_initialize \
++ )
++ AC_CHECK_FUNCS(ldap_set_rebind_proc,
++ AC_MSG_CHECKING([number arguments of ldap_set_rebind_proc])
++ AC_TRY_COMPILE(
++ [#include <lber.h>
++ #include <ldap.h>],
++ [ldap_set_rebind_proc(0, 0, 0);],
++ [ac_cv_ldap_set_rebind_proc=3],
++ [ac_cv_ldap_set_rebind_proc=2])
++ AC_MSG_RESULT($ac_cv_ldap_set_rebind_proc)
++ AC_DEFINE(LDAP_SET_REBIND_PROC_ARGS, $ac_cv_ldap_set_rebind_proc, [number arguments of ldap_set_rebind_proc])
++ )
++ fi
++ ]
++)
++AC_SUBST(INSTALL_SSH_LDAP_HELPER)
+
-+ /* continue with opening */
-+ if ((ld == NULL) && (options.host != NULL)) {
-+#ifdef HAVE_LDAP_INIT
-+ if ((ld = ldap_init (options.host, options.port)) == NULL)
-+ fatal ("ldap_init failed");
-+ debug3 ("LDAP init %s:%d", options.host, options.port);
-+#else
-+ if ((ld = ldap_open (options.host, options.port)) == NULL)
-+ fatal ("ldap_open failed");
-+ debug3 ("LDAP open %s:%d", options.host, options.port);
-+#endif /* HAVE_LDAP_INIT */
-+ }
+ dnl Checks for library functions. Please keep in alphabetical order
+ AC_CHECK_FUNCS([ \
+ Blowfish_initstate \
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldap-helper.c openssh-8.4p1/ldap-helper.c
+--- openssh-8.4p1.org/ldap-helper.c 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldap-helper.c 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,155 @@
++/* $OpenBSD: ssh-pka-ldap.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
++/*
++ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
++ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
+
-+ if (ld == NULL)
-+ fatal ("no way to open ldap");
++#include "ldapincludes.h"
++#include "log.h"
++#include "misc.h"
++#include "xmalloc.h"
++#include "ldapconf.h"
++#include "ldapbody.h"
++#include <string.h>
++#include <unistd.h>
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_X_TLS)
-+ if (options.ssl == SSL_LDAPS) {
-+ if ((rc = ldap_set_option (ld, LDAP_OPT_X_TLS, &options.tls_checkpeer)) != LDAP_SUCCESS)
-+ fatal ("ldap_set_option(LDAP_OPT_X_TLS) %s", ldap_err2string (rc));
-+ debug3 ("LDAP set LDAP_OPT_X_TLS_%d", options.tls_checkpeer);
-+ }
-+#endif /* LDAP_OPT_X_TLS */
++static int config_debug = 0;
++int config_exclusive_config_file = 0;
++static char *config_file_name = "/etc/ssh/ldap.conf";
++static char *config_single_user = NULL;
++static int config_verbose = SYSLOG_LEVEL_VERBOSE;
++int config_warning_config_file = 0;
++extern char *__progname;
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_PROTOCOL_VERSION)
-+ (void) ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION,
-+ &options.ldap_version);
-+#else
-+ ld->ld_version = options.ldap_version;
-+#endif
-+ debug3 ("LDAP set version to %d", options.ldap_version);
++static void
++usage(void)
++{
++ fprintf(stderr, "usage: %s [options]\n",
++ __progname);
++ fprintf(stderr, "Options:\n");
++ fprintf(stderr, " -d Output the log messages to stderr.\n");
++ fprintf(stderr, " -e Check the config file for unknown commands.\n");
++ fprintf(stderr, " -f file Use alternate config file (default is /etc/ssh/ldap.conf).\n");
++ fprintf(stderr, " -s user Do not demonize, send the user's key to stdout.\n");
++ fprintf(stderr, " -v Increase verbosity of the debug output (implies -d).\n");
++ fprintf(stderr, " -w Warn on unknown commands in the config file.\n");
++ exit(1);
++}
+
-+#if LDAP_SET_REBIND_PROC_ARGS == 3
-+ ldap_set_rebind_proc (ld, _rebind_proc, NULL);
-+#elif LDAP_SET_REBIND_PROC_ARGS == 2
-+ ldap_set_rebind_proc (ld, _rebind_proc);
-+#else
-+#warning unknown LDAP_SET_REBIND_PROC_ARGS
-+#endif
-+ debug3 ("LDAP set rebind proc");
++/*
++ * Main program for the ssh pka ldap agent.
++ */
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_DEREF)
-+ (void) ldap_set_option (ld, LDAP_OPT_DEREF, &options.deref);
-+#else
-+ ld->ld_deref = options.deref;
-+#endif
-+ debug3 ("LDAP set deref to %d", options.deref);
++int
++main(int ac, char **av)
++{
++ int opt;
++ FILE *outfile = NULL;
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_TIMELIMIT)
-+ (void) ldap_set_option (ld, LDAP_OPT_TIMELIMIT,
-+ &options.timelimit);
-+#else
-+ ld->ld_timelimit = options.timelimit;
-+#endif
-+ debug3 ("LDAP set timelimit to %d", options.timelimit);
++ __progname = ssh_get_progname(av[0]);
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_X_OPT_CONNECT_TIMEOUT)
-+ /*
-+ * This is a new option in the Netscape SDK which sets
-+ * the TCP connect timeout. For want of a better value,
-+ * we use the bind_timelimit to control this.
-+ */
-+ timeout = options.bind_timelimit * 1000;
-+ (void) ldap_set_option (ld, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout);
-+ debug3 ("LDAP set opt connect timeout to %d", timeout);
-+#endif
++ log_init(__progname, SYSLOG_LEVEL_DEBUG3, SYSLOG_FACILITY_AUTH, 0);
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_NETWORK_TIMEOUT)
-+ tv.tv_sec = options.bind_timelimit;
-+ tv.tv_usec = 0;
-+ (void) ldap_set_option (ld, LDAP_OPT_NETWORK_TIMEOUT, &tv);
-+ debug3 ("LDAP set opt network timeout to %ld.0", tv.tv_sec);
-+#endif
++ /*
++ * Initialize option structure to indicate that no values have been
++ * set.
++ */
++ initialize_options();
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_REFERRALS)
-+ (void) ldap_set_option (ld, LDAP_OPT_REFERRALS,
-+ options.referrals ? LDAP_OPT_ON : LDAP_OPT_OFF);
-+ debug3 ("LDAP set referrals to %d", options.referrals);
-+#endif
++ /* Parse command-line arguments. */
++ while ((opt = getopt(ac, av, "def:s:vw")) != -1) {
++ switch (opt) {
++ case 'd':
++ config_debug = 1;
++ break;
+
-+#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_RESTART)
-+ (void) ldap_set_option (ld, LDAP_OPT_RESTART,
-+ options.restart ? LDAP_OPT_ON : LDAP_OPT_OFF);
-+ debug3 ("LDAP set restart to %d", options.restart);
-+#endif
++ case 'e':
++ config_exclusive_config_file = 1;
++ config_warning_config_file = 1;
++ break;
+
-+#ifdef HAVE_LDAP_START_TLS_S
-+ if (options.ssl == SSL_START_TLS) {
-+ int version;
++ case 'f':
++ config_file_name = optarg;
++ break;
+
-+ if (ldap_get_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version)
-+ == LDAP_SUCCESS) {
-+ if (version < LDAP_VERSION3) {
-+ version = LDAP_VERSION3;
-+ (void) ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION,
-+ &version);
-+ debug3 ("LDAP set version to %d", version);
-+ }
-+ }
++ case 's':
++ config_single_user = optarg;
++ outfile = fdopen (dup (fileno (stdout)), "w");
++ break;
+
-+ if ((rc = ldap_start_tls_s (ld, NULL, NULL)) != LDAP_SUCCESS)
-+ fatal ("ldap_starttls_s: %s", ldap_err2string (rc));
-+ debug3 ("LDAP start TLS");
++ case 'v':
++ config_debug = 1;
++ if (config_verbose < SYSLOG_LEVEL_DEBUG3)
++ config_verbose++;
++ break;
++
++ case 'w':
++ config_warning_config_file = 1;
++ break;
++
++ case '?':
++ default:
++ usage();
++ break;
+ }
-+#endif /* HAVE_LDAP_START_TLS_S */
+ }
+
-+ if ((msgid = ldap_simple_bind (ld, options.binddn,
-+ options.bindpw)) == -1) {
-+ ld_errno = ldap_get_lderrno (ld, 0, 0);
++ /* Initialize loging */
++ log_init(__progname, config_verbose, SYSLOG_FACILITY_AUTH, config_debug);
+
-+ error ("ldap_simple_bind %s", ldap_err2string (ld_errno));
-+ reconnect++;
-+ goto retry;
-+ }
-+ debug3 ("LDAP simple bind (%s)", options.binddn);
++ if (ac != optind)
++ fatal ("illegal extra parameter %s", av[1]);
+
-+ timeout.tv_sec = options.bind_timelimit;
-+ timeout.tv_usec = 0;
-+ if ((rc = ldap_result (ld, msgid, FALSE, &timeout, &result)) < 1) {
-+ ld_errno = ldap_get_lderrno (ld, 0, 0);
++ /* Ensure that fds 0 and 2 are open or directed to /dev/null */
++ if (config_debug == 0)
++ sanitise_stdfd();
+
-+ error ("ldap_result %s", ldap_err2string (ld_errno));
-+ reconnect++;
-+ goto retry;
++ /* Read config file */
++ read_config_file(config_file_name);
++ fill_default_options();
++ if (config_verbose == SYSLOG_LEVEL_DEBUG3) {
++ debug3 ("=== Configuration ===");
++ dump_config();
++ debug3 ("=== *** ===");
+ }
-+ debug3 ("LDAP result in time");
+
-+#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
-+ controls = NULL;
-+ if ((parserc = ldap_parse_result (ld, result, &rc, 0, 0, 0, &controls, TRUE)) != LDAP_SUCCESS)
-+ fatal ("ldap_parse_result %s", ldap_err2string (parserc));
-+ debug3 ("LDAP parse result OK");
++ ldap_checkconfig();
++ ldap_do_connect();
+
-+ if (controls != NULL) {
-+ ldap_controls_free (controls);
++ if (config_single_user) {
++ process_user (config_single_user, outfile);
++ } else {
++ usage();
++ fatal ("Not yet implemented");
++/* TODO
++ * open unix socket a run the loop on it
++ */
+ }
-+#else
-+ rc = ldap_result2error (session->ld, result, TRUE);
-+#endif
-+ if (rc != LDAP_SUCCESS)
-+ fatal ("error trying to bind as user \"%s\" (%s)",
-+ options.binddn, ldap_err2string (rc));
+
-+ debug2 ("LDAP do connect OK");
++ ldap_do_close();
++ return 0;
+}
+
-+void
-+process_user (const char *user, FILE *output)
-+{
-+ LDAPMessage *res, *e;
-+ char *buffer;
-+ int bufflen, rc, i;
-+ struct timeval timeout;
++/* Ugly hack */
++void *buffer_get_string(struct sshbuf *b, u_int *l) { return NULL; }
++void buffer_put_string(struct sshbuf *b, const void *f, u_int l) {}
+
-+ debug ("LDAP process user");
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldap-helper.h openssh-8.4p1/ldap-helper.h
+--- openssh-8.4p1.org/ldap-helper.h 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldap-helper.h 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,32 @@
++/* $OpenBSD: ldap-helper.h,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
++/*
++ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
++ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
+
-+ /* quick check for attempts to be evil */
-+ if ((strchr(user, '(') != NULL) || (strchr(user, ')') != NULL) ||
-+ (strchr(user, '*') != NULL) || (strchr(user, '\\') != NULL)) {
-+ logit ("illegal user name %s not processed", user);
-+ return;
-+ }
++#ifndef LDAP_HELPER_H
++#define LDAP_HELPER_H
+
-+ /* build filter for LDAP request */
-+ bufflen = strlen (LDAPSEARCH_FORMAT) + strlen(options.account_class) + strlen (user);
-+ if (options.ssh_filter != NULL)
-+ bufflen += strlen (options.ssh_filter);
-+ buffer = xmalloc (bufflen);
-+ snprintf(buffer, bufflen, LDAPSEARCH_FORMAT, options.account_class, user, (options.ssh_filter != NULL) ? options.ssh_filter : NULL);
-+ buffer[bufflen - 1] = 0;
++extern int config_exclusive_config_file;
++extern int config_warning_config_file;
+
-+ debug3 ("LDAP search scope = %d %s", options.scope, buffer);
++#endif /* LDAP_HELPER_H */
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldap.conf openssh-8.4p1/ldap.conf
+--- openssh-8.4p1.org/ldap.conf 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldap.conf 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,88 @@
++# $Id: openssh-5.5p1-ldap.patch,v 1.3 2010/07/07 13:48:36 jfch2222 Exp $
++#
++# This is the example configuration file for the OpenSSH
++# LDAP backend
++#
++# see ssh-ldap.conf(5)
++#
+
-+ timeout.tv_sec = options.timelimit;
-+ timeout.tv_usec = 0;
-+ if ((rc = ldap_search_st(ld, options.base, options.scope, buffer, attrs, 0, &timeout, &res)) != LDAP_SUCCESS) {
-+ error ("ldap_search_st(): %s", ldap_err2string (rc));
-+ free (buffer);
-+ return;
-+ }
++# URI with your LDAP server name. This allows to use
++# Unix Domain Sockets to connect to a local LDAP Server.
++#uri ldap://127.0.0.1/
++#uri ldaps://127.0.0.1/
++#uri ldapi://%2fvar%2frun%2fldapi_sock/
++# Note: %2f encodes the '/' used as directory separator
+
-+ /* free */
-+ free (buffer);
++# Another way to specify your LDAP server is to provide an
++# host name and the port of our LDAP server. Host name
++# must be resolvable without using LDAP.
++# Multiple hosts may be specified, each separated by a
++# space. How long nss_ldap takes to failover depends on
++# whether your LDAP client library supports configurable
++# network or connect timeouts (see bind_timelimit).
++#host 127.0.0.1
+
-+ for (e = ldap_first_entry(ld, res); e != NULL; e = ldap_next_entry(ld, e)) {
-+ int num;
-+ struct berval **keys;
++# The port.
++# Optional: default is 389.
++#port 389
+
-+ keys = ldap_get_values_len(ld, e, PUBKEYATTR);
-+ num = ldap_count_values_len(keys);
-+ for (i = 0 ; i < num ; i++) {
-+ char *cp; //, *options = NULL;
++# The distinguished name to bind to the server with.
++# Optional: default is to bind anonymously.
++#binddn cn=openssh_keys,dc=example,dc=org
+
-+ for (cp = keys[i]->bv_val; *cp == ' ' || *cp == '\t'; cp++);
-+ if (!*cp || *cp == '\n' || *cp == '#')
-+ continue;
++# The credentials to bind with.
++# Optional: default is no credential.
++#bindpw TopSecret
+
-+ /* We have found the desired key. */
-+ fprintf (output, "%s\n", keys[i]->bv_val);
-+ }
++# The distinguished name of the search base.
++#base dc=example,dc=org
++
++# The LDAP version to use (defaults to 3
++# if supported by client library)
++#ldap_version 3
+
-+ ldap_value_free_len(keys);
-+ }
++# The search scope.
++#scope sub
++#scope one
++#scope base
+
-+ ldap_msgfree(res);
-+ debug2 ("LDAP process user finished");
-+}
++# Search timelimit
++#timelimit 30
+
-+void
-+ldap_do_close(void)
-+{
-+ int rc;
++# Bind/connect timelimit
++#bind_timelimit 30
+
-+ debug ("LDAP do close");
-+ if ((rc = ldap_unbind_ext(ld, NULL, NULL)) != LDAP_SUCCESS)
-+ fatal ("ldap_unbind_ext: %s",
-+ ldap_err2string (rc));
++# Reconnect policy: hard (default) will retry connecting to
++# the software with exponential backoff, soft will fail
++# immediately.
++#bind_policy hard
+
-+ ld = NULL;
-+ debug2 ("LDAP do close OK");
-+ return;
-+}
++# SSL setup, may be implied by URI also.
++#ssl no
++#ssl on
++#ssl start_tls
+
-diff -up openssh-6.2p1/ldapbody.h.ldap openssh-6.2p1/ldapbody.h
---- openssh-6.2p1/ldapbody.h.ldap 2013-03-25 21:27:15.889248078 +0100
-+++ openssh-6.2p1/ldapbody.h 2013-03-25 21:27:15.889248078 +0100
-@@ -0,0 +1,37 @@
-+/* $OpenBSD: ldapbody.h,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
-+/*
-+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
-+ *
-+ * Redistribution and use in source and binary forms, with or without
-+ * modification, are permitted provided that the following conditions
-+ * are met:
-+ * 1. Redistributions of source code must retain the above copyright
-+ * notice, this list of conditions and the following disclaimer.
-+ * 2. Redistributions in binary form must reproduce the above copyright
-+ * notice, this list of conditions and the following disclaimer in the
-+ * documentation and/or other materials provided with the distribution.
-+ *
-+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-+ */
++# OpenLDAP SSL options
++# Require and verify server certificate (yes/no)
++# Default is to use libldap's default behavior, which can be configured in
++# /etc/openldap/ldap.conf using the TLS_REQCERT setting. The default for
++# OpenLDAP 2.0 and earlier is "no", for 2.1 and later is "yes".
++#tls_checkpeer hard
+
-+#ifndef LDAPBODY_H
-+#define LDAPBODY_H
++# CA certificates for server certificate verification
++# At least one of these are required if tls_checkpeer is "yes"
++#tls_cacertfile /etc/ssl/ca.cert
++#tls_cacertdir /etc/pki/tls/certs
+
-+#include <stdio.h>
++# Seed the PRNG if /dev/urandom is not provided
++#tls_randfile /var/run/egd-pool
+
-+void ldap_checkconfig(void);
-+void ldap_do_connect(void);
-+void process_user(const char *, FILE *);
-+void ldap_do_close(void);
++# SSL cipher suite
++# See man ciphers for syntax
++#tls_ciphers TLSv1
+
-+#endif /* LDAPBODY_H */
++# Client certificate and key
++# Use these, if your server requires client authentication.
++#tls_cert
++#tls_key
+
-diff -up openssh-6.2p2/ldapconf.c.ldap openssh-6.2p2/ldapconf.c
---- openssh-6.2p2/ldapconf.c.ldap 2013-06-07 15:10:05.601942693 +0200
-+++ openssh-6.2p2/ldapconf.c 2013-06-07 15:10:24.928857566 +0200
-@@ -0,0 +1,691 @@
-+/* $OpenBSD: ldapconf.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapbody.c openssh-8.4p1/ldapbody.c
+--- openssh-8.4p1.org/ldapbody.c 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapbody.c 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,494 @@
++/* $OpenBSD: ldapbody.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+/*
+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
+ *
+ */
+
+#include "ldapincludes.h"
-+#include "ldap-helper.h"
+#include "log.h"
-+#include "misc.h"
+#include "xmalloc.h"
+#include "ldapconf.h"
++#include "ldapmisc.h"
++#include "ldapbody.h"
++#include <stdio.h>
+#include <unistd.h>
-+#include <string.h>
+
-+/* Keyword tokens. */
++#define LDAPSEARCH_FORMAT "(&(objectclass=%s)(objectclass=ldapPublicKey)(uid=%s)%s)"
++#define PUBKEYATTR "sshPublicKey"
++#define LDAP_LOGFILE "%s/ldap.%d"
++
++static FILE *logfile = NULL;
++static LDAP *ld;
++
++static char *attrs[] = {
++ PUBKEYATTR,
++ NULL
++};
++
++void
++ldap_checkconfig (void)
++{
++#ifdef HAVE_LDAP_INITIALIZE
++ if (options.host == NULL && options.uri == NULL)
++#else
++ if (options.host == NULL)
++#endif
++ fatal ("missing \"host\" in config file");
++}
++
++#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
++static int
++_rebind_proc (LDAP * ld, LDAP_CONST char *url, int request, ber_int_t msgid)
++{
++ struct timeval timeout;
++ int rc;
++#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
++ LDAPMessage *result;
++#endif /* HAVE_LDAP_PARSE_RESULT && HAVE_LDAP_CONTROLS_FREE */
++
++ debug2 ("Doing LDAP rebind to %s", options.binddn);
++ if (options.ssl == SSL_START_TLS) {
++ if ((rc = ldap_start_tls_s (ld, NULL, NULL)) != LDAP_SUCCESS) {
++ error ("ldap_starttls_s: %s", ldap_err2string (rc));
++ return LDAP_OPERATIONS_ERROR;
++ }
++ }
++
++#if !defined(HAVE_LDAP_PARSE_RESULT) || !defined(HAVE_LDAP_CONTROLS_FREE)
++ return ldap_simple_bind_s (ld, options.binddn, options.bindpw);
++#else
++ if (ldap_simple_bind(ld, options.binddn, options.bindpw) < 0)
++ fatal ("ldap_simple_bind %s", ldap_err2string (ldap_get_lderrno (ld, 0, 0)));
++
++ timeout.tv_sec = options.bind_timelimit;
++ timeout.tv_usec = 0;
++ result = NULL;
++ if ((rc = ldap_result (ld, msgid, FALSE, &timeout, &result)) < 1) {
++ error ("ldap_result %s", ldap_err2string (ldap_get_lderrno (ld, 0, 0)));
++ ldap_msgfree (result);
++ return LDAP_OPERATIONS_ERROR;
++ }
++ debug3 ("LDAP rebind to %s succesfull", options.binddn);
++ return rc;
++#endif
++}
++#else
++
++static int
++_rebind_proc (LDAP * ld, char **whop, char **credp, int *methodp, int freeit)
++{
++ if (freeit)
++ return LDAP_SUCCESS;
++
++ *whop = strdup (options.binddn);
++ *credp = strdup (options.bindpw);
++ *methodp = LDAP_AUTH_SIMPLE;
++ debug2 ("Doing LDAP rebind for %s", *whop);
++ return LDAP_SUCCESS;
++}
++#endif
++
++void
++ldap_do_connect(void)
++{
++ int rc, msgid, ld_errno = 0;
++ struct timeval timeout;
++#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
++ int parserc;
++ LDAPMessage *result;
++ LDAPControl **controls;
++ int reconnect = 0;
++#endif /* HAVE_LDAP_PARSE_RESULT && HAVE_LDAP_CONTROLS_FREE */
++
++ debug ("LDAP do connect");
++
++retry:
++ if (reconnect) {
++ debug3 ("Reconnecting with ld_errno %d", ld_errno);
++ if (options.bind_policy == 0 ||
++ (ld_errno != LDAP_SERVER_DOWN && ld_errno != LDAP_TIMEOUT) ||
++ reconnect > 5)
++ fatal ("Cannot connect to LDAP server");
++
++ if (reconnect > 1)
++ sleep (reconnect - 1);
++
++ if (ld != NULL) {
++ ldap_unbind (ld);
++ ld = NULL;
++ }
++ logit("reconnecting to LDAP server...");
++ }
++
++ if (ld == NULL) {
++ int rc;
++ struct timeval tv;
++
++#ifdef HAVE_LDAP_SET_OPTION
++ if (options.debug > 0) {
++#ifdef LBER_OPT_LOG_PRINT_FILE
++ if (options.logdir) {
++ char *logfilename;
++ int logfilenamelen;
++
++ logfilenamelen = strlen (LDAP_LOGFILE) + strlen ("000000") + strlen (options.logdir);
++ logfilename = xmalloc (logfilenamelen);
++ snprintf (logfilename, logfilenamelen, LDAP_LOGFILE, options.logdir, (int) getpid ());
++ logfilename[logfilenamelen - 1] = 0;
++ if ((logfile = fopen (logfilename, "a")) == NULL)
++ fatal ("cannot append to %s: %s", logfilename, strerror (errno));
++ debug3 ("LDAP debug into %s", logfilename);
++ free (logfilename);
++ ber_set_option (NULL, LBER_OPT_LOG_PRINT_FILE, logfile);
++ }
++#endif
++ if (options.debug) {
++#ifdef LBER_OPT_DEBUG_LEVEL
++ ber_set_option (NULL, LBER_OPT_DEBUG_LEVEL, &options.debug);
++#endif /* LBER_OPT_DEBUG_LEVEL */
++#ifdef LDAP_OPT_DEBUG_LEVEL
++ (void) ldap_set_option (NULL, LDAP_OPT_DEBUG_LEVEL, &options.debug);
++#endif /* LDAP_OPT_DEBUG_LEVEL */
++ debug3 ("Set LDAP debug to %d", options.debug);
++ }
++ }
++#endif /* HAVE_LDAP_SET_OPTION */
++
++ ld = NULL;
++#ifdef HAVE_LDAPSSL_INIT
++ if (options.host != NULL) {
++ if (options.ssl_on == SSL_LDAPS) {
++ if ((rc = ldapssl_client_init (options.sslpath, NULL)) != LDAP_SUCCESS)
++ fatal ("ldapssl_client_init %s", ldap_err2string (rc));
++ debug3 ("LDAPssl client init");
++ }
++
++ if (options.ssl_on != SSL_OFF) {
++ if ((ld = ldapssl_init (options.host, options.port, TRUE)) == NULL)
++ fatal ("ldapssl_init failed");
++ debug3 ("LDAPssl init");
++ }
++ }
++#endif /* HAVE_LDAPSSL_INIT */
++
++ /* continue with opening */
++ if (ld == NULL) {
++#if defined (HAVE_LDAP_START_TLS_S) || (defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_X_TLS))
++ /* Some global TLS-specific options need to be set before we create our
++ * session context, so we set them here. */
++
++#ifdef LDAP_OPT_X_TLS_RANDOM_FILE
++ /* rand file */
++ if (options.tls_randfile != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_RANDOM_FILE,
++ options.tls_randfile)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_RANDOM_FILE): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS random file %s", options.tls_randfile);
++ }
++#endif /* LDAP_OPT_X_TLS_RANDOM_FILE */
+
-+typedef enum {
-+ lBadOption,
-+ lHost, lURI, lBase, lBindDN, lBindPW, lRootBindDN,
-+ lScope, lDeref, lPort, lTimeLimit, lBind_TimeLimit,
-+ lLdap_Version, lBind_Policy, lSSLPath, lSSL, lReferrals,
-+ lRestart, lTLS_CheckPeer, lTLS_CaCertFile,
-+ lTLS_CaCertDir, lTLS_Ciphers, lTLS_Cert, lTLS_Key,
-+ lTLS_RandFile, lLogDir, lDebug, lSSH_Filter,
-+ lAccountClass, lDeprecated, lUnsupported
-+} OpCodes;
++ /* ca cert file */
++ if (options.tls_cacertfile != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CACERTFILE,
++ options.tls_cacertfile)) != LDAP_SUCCESS)
++ error ("ldap_set_option(LDAP_OPT_X_TLS_CACERTFILE): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS CA cert file %s ", options.tls_cacertfile);
++ }
+
-+/* Textual representations of the tokens. */
++ /* ca cert directory */
++ if (options.tls_cacertdir != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CACERTDIR,
++ options.tls_cacertdir)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CACERTDIR): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS CA cert dir %s ", options.tls_cacertdir);
++ }
+
-+static struct {
-+ const char *name;
-+ OpCodes opcode;
-+} keywords[] = {
-+ { "URI", lURI },
-+ { "Base", lBase },
-+ { "BindDN", lBindDN },
-+ { "BindPW", lBindPW },
-+ { "RootBindDN", lRootBindDN },
-+ { "Host", lHost },
-+ { "Port", lPort },
-+ { "Scope", lScope },
-+ { "Deref", lDeref },
-+ { "TimeLimit", lTimeLimit },
-+ { "TimeOut", lTimeLimit },
-+ { "Bind_Timelimit", lBind_TimeLimit },
-+ { "Network_TimeOut", lBind_TimeLimit },
-+/*
-+ * Todo
-+ * SIZELIMIT
-+ */
-+ { "Ldap_Version", lLdap_Version },
-+ { "Version", lLdap_Version },
-+ { "Bind_Policy", lBind_Policy },
-+ { "SSLPath", lSSLPath },
-+ { "SSL", lSSL },
-+ { "Referrals", lReferrals },
-+ { "Restart", lRestart },
-+ { "TLS_CheckPeer", lTLS_CheckPeer },
-+ { "TLS_ReqCert", lTLS_CheckPeer },
-+ { "TLS_CaCertFile", lTLS_CaCertFile },
-+ { "TLS_CaCert", lTLS_CaCertFile },
-+ { "TLS_CaCertDir", lTLS_CaCertDir },
-+ { "TLS_Ciphers", lTLS_Ciphers },
-+ { "TLS_Cipher_Suite", lTLS_Ciphers },
-+ { "TLS_Cert", lTLS_Cert },
-+ { "TLS_Certificate", lTLS_Cert },
-+ { "TLS_Key", lTLS_Key },
-+ { "TLS_RandFile", lTLS_RandFile },
-+/*
-+ * Todo
-+ * TLS_CRLCHECK
-+ * TLS_CRLFILE
-+ */
-+ { "LogDir", lLogDir },
-+ { "Debug", lDebug },
-+ { "SSH_Filter", lSSH_Filter },
-+ { "AccountClass", lAccountClass },
-+ { NULL, lBadOption }
-+};
++ /* require cert? */
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_REQUIRE_CERT,
++ &options.tls_checkpeer)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_REQUIRE_CERT): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS check peer to %d ", options.tls_checkpeer);
+
-+/* Configuration ptions. */
++ /* set cipher suite, certificate and private key: */
++ if (options.tls_ciphers != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CIPHER_SUITE,
++ options.tls_ciphers)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CIPHER_SUITE): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS ciphers to %s ", options.tls_ciphers);
++ }
+
-+Options options;
++ /* cert file */
++ if (options.tls_cert != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_CERTFILE,
++ options.tls_cert)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_CERTFILE): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS cert file %s ", options.tls_cert);
++ }
+
-+/*
-+ * Returns the number of the token pointed to by cp or oBadOption.
-+ */
++ /* key file */
++ if (options.tls_key != NULL) {
++ if ((rc = ldap_set_option (NULL, LDAP_OPT_X_TLS_KEYFILE,
++ options.tls_key)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS_KEYFILE): %s",
++ ldap_err2string (rc));
++ debug3 ("Set TLS key file %s ", options.tls_key);
++ }
++#endif
++#ifdef HAVE_LDAP_INITIALIZE
++ if (options.uri != NULL) {
++ if ((rc = ldap_initialize (&ld, options.uri)) != LDAP_SUCCESS)
++ fatal ("ldap_initialize %s", ldap_err2string (rc));
++ debug3 ("LDAP initialize %s", options.uri);
++ }
++ }
++#endif /* HAVE_LDAP_INTITIALIZE */
+
-+static OpCodes
-+parse_token(const char *cp, const char *filename, int linenum)
-+{
-+ u_int i;
++ /* continue with opening */
++ if ((ld == NULL) && (options.host != NULL)) {
++#ifdef HAVE_LDAP_INIT
++ if ((ld = ldap_init (options.host, options.port)) == NULL)
++ fatal ("ldap_init failed");
++ debug3 ("LDAP init %s:%d", options.host, options.port);
++#else
++ if ((ld = ldap_open (options.host, options.port)) == NULL)
++ fatal ("ldap_open failed");
++ debug3 ("LDAP open %s:%d", options.host, options.port);
++#endif /* HAVE_LDAP_INIT */
++ }
+
-+ for (i = 0; keywords[i].name; i++)
-+ if (strcasecmp(cp, keywords[i].name) == 0)
-+ return keywords[i].opcode;
++ if (ld == NULL)
++ fatal ("no way to open ldap");
+
-+ if (config_warning_config_file)
-+ logit("%s: line %d: Bad configuration option: %s",
-+ filename, linenum, cp);
-+ return lBadOption;
-+}
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_X_TLS)
++ if (options.ssl == SSL_LDAPS) {
++ if ((rc = ldap_set_option (ld, LDAP_OPT_X_TLS, &options.tls_checkpeer)) != LDAP_SUCCESS)
++ fatal ("ldap_set_option(LDAP_OPT_X_TLS) %s", ldap_err2string (rc));
++ debug3 ("LDAP set LDAP_OPT_X_TLS_%d", options.tls_checkpeer);
++ }
++#endif /* LDAP_OPT_X_TLS */
+
-+/*
-+ * Processes a single option line as used in the configuration files. This
-+ * only sets those values that have not already been set.
-+ */
-+#define WHITESPACE " \t\r\n"
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_PROTOCOL_VERSION)
++ (void) ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION,
++ &options.ldap_version);
++#else
++ ld->ld_version = options.ldap_version;
++#endif
++ debug3 ("LDAP set version to %d", options.ldap_version);
+
-+static int
-+process_config_line(char *line, const char *filename, int linenum)
-+{
-+ char *s, **charptr, **xstringptr, *endofnumber, *keyword, *arg;
-+ char *rootbinddn = NULL;
-+ int opcode, *intptr, value;
-+ size_t len;
++#if LDAP_SET_REBIND_PROC_ARGS == 3
++ ldap_set_rebind_proc (ld, _rebind_proc, NULL);
++#elif LDAP_SET_REBIND_PROC_ARGS == 2
++ ldap_set_rebind_proc (ld, _rebind_proc);
++#else
++#warning unknown LDAP_SET_REBIND_PROC_ARGS
++#endif
++ debug3 ("LDAP set rebind proc");
+
-+ /* Strip trailing whitespace */
-+ for (len = strlen(line) - 1; len > 0; len--) {
-+ if (strchr(WHITESPACE, line[len]) == NULL)
-+ break;
-+ line[len] = '\0';
-+ }
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_DEREF)
++ (void) ldap_set_option (ld, LDAP_OPT_DEREF, &options.deref);
++#else
++ ld->ld_deref = options.deref;
++#endif
++ debug3 ("LDAP set deref to %d", options.deref);
+
-+ s = line;
-+ /* Get the keyword. (Each line is supposed to begin with a keyword). */
-+ if ((keyword = strdelim(&s)) == NULL)
-+ return 0;
-+ /* Ignore leading whitespace. */
-+ if (*keyword == '\0')
-+ keyword = strdelim(&s);
-+ if (keyword == NULL || !*keyword || *keyword == '\n' || *keyword == '#')
-+ return 0;
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_TIMELIMIT)
++ (void) ldap_set_option (ld, LDAP_OPT_TIMELIMIT,
++ &options.timelimit);
++#else
++ ld->ld_timelimit = options.timelimit;
++#endif
++ debug3 ("LDAP set timelimit to %d", options.timelimit);
+
-+ opcode = parse_token(keyword, filename, linenum);
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_X_OPT_CONNECT_TIMEOUT)
++ /*
++ * This is a new option in the Netscape SDK which sets
++ * the TCP connect timeout. For want of a better value,
++ * we use the bind_timelimit to control this.
++ */
++ timeout = options.bind_timelimit * 1000;
++ (void) ldap_set_option (ld, LDAP_X_OPT_CONNECT_TIMEOUT, &timeout);
++ debug3 ("LDAP set opt connect timeout to %d", timeout);
++#endif
+
-+ switch (opcode) {
-+ case lBadOption:
-+ /* don't panic, but count bad options */
-+ return -1;
-+ /* NOTREACHED */
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_NETWORK_TIMEOUT)
++ tv.tv_sec = options.bind_timelimit;
++ tv.tv_usec = 0;
++ (void) ldap_set_option (ld, LDAP_OPT_NETWORK_TIMEOUT, &tv);
++ debug3 ("LDAP set opt network timeout to %ld.0", tv.tv_sec);
++#endif
+
-+ case lHost:
-+ xstringptr = &options.host;
-+parse_xstring:
-+ if (!s || *s == '\0')
-+ fatal("%s line %d: missing dn",filename,linenum);
-+ if (*xstringptr == NULL)
-+ *xstringptr = xstrdup(s);
-+ return 0;
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_REFERRALS)
++ (void) ldap_set_option (ld, LDAP_OPT_REFERRALS,
++ options.referrals ? LDAP_OPT_ON : LDAP_OPT_OFF);
++ debug3 ("LDAP set referrals to %d", options.referrals);
++#endif
+
-+ case lURI:
-+ xstringptr = &options.uri;
-+ goto parse_xstring;
++#if defined(HAVE_LDAP_SET_OPTION) && defined(LDAP_OPT_RESTART)
++ (void) ldap_set_option (ld, LDAP_OPT_RESTART,
++ options.restart ? LDAP_OPT_ON : LDAP_OPT_OFF);
++ debug3 ("LDAP set restart to %d", options.restart);
++#endif
+
-+ case lBase:
-+ xstringptr = &options.base;
-+ goto parse_xstring;
++#ifdef HAVE_LDAP_START_TLS_S
++ if (options.ssl == SSL_START_TLS) {
++ int version;
+
-+ case lBindDN:
-+ xstringptr = &options.binddn;
-+ goto parse_xstring;
++ if (ldap_get_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version)
++ == LDAP_SUCCESS) {
++ if (version < LDAP_VERSION3) {
++ version = LDAP_VERSION3;
++ (void) ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION,
++ &version);
++ debug3 ("LDAP set version to %d", version);
++ }
++ }
+
-+ case lBindPW:
-+ charptr = &options.bindpw;
-+parse_string:
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing argument.", filename, linenum);
-+ if (*charptr == NULL)
-+ *charptr = xstrdup(arg);
-+ break;
++ if ((rc = ldap_start_tls_s (ld, NULL, NULL)) != LDAP_SUCCESS)
++ fatal ("ldap_starttls_s: %s", ldap_err2string (rc));
++ debug3 ("LDAP start TLS");
++ }
++#endif /* HAVE_LDAP_START_TLS_S */
++ }
+
-+ case lRootBindDN:
-+ xstringptr = &rootbinddn;
-+ goto parse_xstring;
++ if ((msgid = ldap_simple_bind (ld, options.binddn,
++ options.bindpw)) == -1) {
++ ld_errno = ldap_get_lderrno (ld, 0, 0);
+
-+ case lScope:
-+ intptr = &options.scope;
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing sub/one/base argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (strcasecmp (arg, "sub") == 0 || strcasecmp (arg, "subtree") == 0)
-+ value = LDAP_SCOPE_SUBTREE;
-+ else if (strcasecmp (arg, "one") == 0)
-+ value = LDAP_SCOPE_ONELEVEL;
-+ else if (strcasecmp (arg, "base") == 0)
-+ value = LDAP_SCOPE_BASE;
-+ else
-+ fatal("%.200s line %d: Bad sub/one/base argument.", filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++ error ("ldap_simple_bind %s", ldap_err2string (ld_errno));
++ reconnect++;
++ goto retry;
++ }
++ debug3 ("LDAP simple bind (%s)", options.binddn);
+
-+ case lDeref:
-+ intptr = &options.scope;
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing never/searching/finding/always argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (!strcasecmp (arg, "never"))
-+ value = LDAP_DEREF_NEVER;
-+ else if (!strcasecmp (arg, "searching"))
-+ value = LDAP_DEREF_SEARCHING;
-+ else if (!strcasecmp (arg, "finding"))
-+ value = LDAP_DEREF_FINDING;
-+ else if (!strcasecmp (arg, "always"))
-+ value = LDAP_DEREF_ALWAYS;
-+ else
-+ fatal("%.200s line %d: Bad never/searching/finding/always argument.", filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++ timeout.tv_sec = options.bind_timelimit;
++ timeout.tv_usec = 0;
++ if ((rc = ldap_result (ld, msgid, FALSE, &timeout, &result)) < 1) {
++ ld_errno = ldap_get_lderrno (ld, 0, 0);
+
-+ case lPort:
-+ intptr = &options.port;
-+parse_int:
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing argument.", filename, linenum);
-+ if (arg[0] < '0' || arg[0] > '9')
-+ fatal("%.200s line %d: Bad number.", filename, linenum);
++ error ("ldap_result %s", ldap_err2string (ld_errno));
++ reconnect++;
++ goto retry;
++ }
++ debug3 ("LDAP result in time");
+
-+ /* Octal, decimal, or hex format? */
-+ value = strtol(arg, &endofnumber, 0);
-+ if (arg == endofnumber)
-+ fatal("%.200s line %d: Bad number.", filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++#if defined(HAVE_LDAP_PARSE_RESULT) && defined(HAVE_LDAP_CONTROLS_FREE)
++ controls = NULL;
++ if ((parserc = ldap_parse_result (ld, result, &rc, 0, 0, 0, &controls, TRUE)) != LDAP_SUCCESS)
++ fatal ("ldap_parse_result %s", ldap_err2string (parserc));
++ debug3 ("LDAP parse result OK");
+
-+ case lTimeLimit:
-+ intptr = &options.timelimit;
-+parse_time:
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%s line %d: missing time value.",
-+ filename, linenum);
-+ if ((value = convtime(arg)) == -1)
-+ fatal("%s line %d: invalid time value.",
-+ filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++ if (controls != NULL) {
++ ldap_controls_free (controls);
++ }
++#else
++ rc = ldap_result2error (session->ld, result, TRUE);
++#endif
++ if (rc != LDAP_SUCCESS)
++ fatal ("error trying to bind as user \"%s\" (%s)",
++ options.binddn, ldap_err2string (rc));
+
-+ case lBind_TimeLimit:
-+ intptr = &options.bind_timelimit;
-+ goto parse_time;
++ debug2 ("LDAP do connect OK");
++}
+
-+ case lLdap_Version:
-+ intptr = &options.ldap_version;
-+ goto parse_int;
++void
++process_user (const char *user, FILE *output)
++{
++ LDAPMessage *res, *e;
++ char *buffer;
++ int bufflen, rc, i;
++ struct timeval timeout;
+
-+ case lBind_Policy:
-+ intptr = &options.bind_policy;
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing soft/hard argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (strcasecmp(arg, "hard") == 0 || strcasecmp(arg, "hard_open") == 0 || strcasecmp(arg, "hard_init") == 0)
-+ value = 1;
-+ else if (strcasecmp(arg, "soft") == 0)
-+ value = 0;
-+ else
-+ fatal("%.200s line %d: Bad soft/hard argument.", filename, linenum);
-+ if (*intptr == -1)
-+ break;
++ debug ("LDAP process user");
+
-+ case lSSLPath:
-+ charptr = &options.sslpath;
-+ goto parse_string;
++ /* quick check for attempts to be evil */
++ if ((strchr(user, '(') != NULL) || (strchr(user, ')') != NULL) ||
++ (strchr(user, '*') != NULL) || (strchr(user, '\\') != NULL)) {
++ logit ("illegal user name %s not processed", user);
++ return;
++ }
+
-+ case lSSL:
-+ intptr = &options.ssl;
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing yes/no/start_tls argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
-+ value = SSL_LDAPS;
-+ else if (strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
-+ value = SSL_OFF;
-+ else if (!strcasecmp (arg, "start_tls"))
-+ value = SSL_START_TLS;
-+ else
-+ fatal("%.200s line %d: Bad yes/no/start_tls argument.", filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++ /* build filter for LDAP request */
++ bufflen = strlen (LDAPSEARCH_FORMAT) + strlen(options.account_class) + strlen (user);
++ if (options.ssh_filter != NULL)
++ bufflen += strlen (options.ssh_filter);
++ buffer = xmalloc (bufflen);
++ snprintf(buffer, bufflen, LDAPSEARCH_FORMAT, options.account_class, user, (options.ssh_filter != NULL) ? options.ssh_filter : NULL);
++ buffer[bufflen - 1] = 0;
+
-+ case lReferrals:
-+ intptr = &options.referrals;
-+parse_flag:
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing yes/no argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
-+ value = 1;
-+ else if (strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
-+ value = 0;
-+ else
-+ fatal("%.200s line %d: Bad yes/no argument.", filename, linenum);
-+ if (*intptr == -1)
-+ *intptr = value;
-+ break;
++ debug3 ("LDAP search scope = %d %s", options.scope, buffer);
+
-+ case lRestart:
-+ intptr = &options.restart;
-+ goto parse_flag;
++ timeout.tv_sec = options.timelimit;
++ timeout.tv_usec = 0;
++ if ((rc = ldap_search_st(ld, options.base, options.scope, buffer, attrs, 0, &timeout, &res)) != LDAP_SUCCESS) {
++ error ("ldap_search_st(): %s", ldap_err2string (rc));
++ free (buffer);
++ return;
++ }
+
-+ case lTLS_CheckPeer:
-+ intptr = &options.tls_checkpeer;
-+ arg = strdelim(&s);
-+ if (!arg || *arg == '\0')
-+ fatal("%.200s line %d: Missing never/hard/demand/alow/try argument.", filename, linenum);
-+ value = 0; /* To avoid compiler warning... */
-+ if (strcasecmp(arg, "never") == 0 || strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
-+ value = LDAP_OPT_X_TLS_NEVER;
-+ else if (strcasecmp(arg, "hard") == 0 || strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
-+ value = LDAP_OPT_X_TLS_HARD;
-+ else if (strcasecmp(arg, "demand") == 0)
-+ value = LDAP_OPT_X_TLS_DEMAND;
-+ else if (strcasecmp(arg, "allow") == 0)
-+ value = LDAP_OPT_X_TLS_ALLOW;
-+ else if (strcasecmp(arg, "try") == 0)
-+ value = LDAP_OPT_X_TLS_TRY;
-+ else
-+ fatal("%.200s line %d: Bad never/hard/demand/alow/try argument.", filename, linenum);
-+ if (*intptr == -1)
-+ break;
++ /* free */
++ free (buffer);
++
++ for (e = ldap_first_entry(ld, res); e != NULL; e = ldap_next_entry(ld, e)) {
++ int num;
++ struct berval **keys;
+
-+ case lTLS_CaCertFile:
-+ charptr = &options.tls_cacertfile;
-+ goto parse_string;
++ keys = ldap_get_values_len(ld, e, PUBKEYATTR);
++ num = ldap_count_values_len(keys);
++ for (i = 0 ; i < num ; i++) {
++ char *cp; //, *options = NULL;
+
-+ case lTLS_CaCertDir:
-+ charptr = &options.tls_cacertdir;
-+ goto parse_string;
++ for (cp = keys[i]->bv_val; *cp == ' ' || *cp == '\t'; cp++);
++ if (!*cp || *cp == '\n' || *cp == '#')
++ continue;
+
-+ case lTLS_Ciphers:
-+ xstringptr = &options.tls_ciphers;
-+ goto parse_xstring;
++ /* We have found the desired key. */
++ fprintf (output, "%s\n", keys[i]->bv_val);
++ }
+
-+ case lTLS_Cert:
-+ charptr = &options.tls_cert;
-+ goto parse_string;
++ ldap_value_free_len(keys);
++ }
+
-+ case lTLS_Key:
-+ charptr = &options.tls_key;
-+ goto parse_string;
++ ldap_msgfree(res);
++ debug2 ("LDAP process user finished");
++}
+
-+ case lTLS_RandFile:
-+ charptr = &options.tls_randfile;
-+ goto parse_string;
++void
++ldap_do_close(void)
++{
++ int rc;
+
-+ case lLogDir:
-+ charptr = &options.logdir;
-+ goto parse_string;
++ debug ("LDAP do close");
++ if ((rc = ldap_unbind_ext(ld, NULL, NULL)) != LDAP_SUCCESS)
++ fatal ("ldap_unbind_ext: %s",
++ ldap_err2string (rc));
+
-+ case lDebug:
-+ intptr = &options.debug;
-+ goto parse_int;
++ ld = NULL;
++ debug2 ("LDAP do close OK");
++ return;
++}
+
-+ case lSSH_Filter:
-+ xstringptr = &options.ssh_filter;
-+ goto parse_xstring;
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapbody.h openssh-8.4p1/ldapbody.h
+--- openssh-8.4p1.org/ldapbody.h 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapbody.h 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,37 @@
++/* $OpenBSD: ldapbody.h,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
++/*
++ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
++ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
+
-+ case lAccountClass:
-+ charptr = &options.account_class;
-+ goto parse_string;
++#ifndef LDAPBODY_H
++#define LDAPBODY_H
+
-+ case lDeprecated:
-+ debug("%s line %d: Deprecated option \"%s\"",
-+ filename, linenum, keyword);
-+ return 0;
++#include <stdio.h>
+
-+ case lUnsupported:
-+ error("%s line %d: Unsupported option \"%s\"",
-+ filename, linenum, keyword);
-+ return 0;
++void ldap_checkconfig(void);
++void ldap_do_connect(void);
++void process_user(const char *, FILE *);
++void ldap_do_close(void);
+
-+ default:
-+ fatal("process_config_line: Unimplemented opcode %d", opcode);
-+ }
++#endif /* LDAPBODY_H */
+
-+ /* Check that there is no garbage at end of line. */
-+ if ((arg = strdelim(&s)) != NULL && *arg != '\0') {
-+ fatal("%.200s line %d: garbage at end of line; \"%.200s\".",
-+ filename, linenum, arg);
-+ }
-+ return 0;
-+}
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapconf.c openssh-8.4p1/ldapconf.c
+--- openssh-8.4p1.org/ldapconf.c 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapconf.c 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,691 @@
++/* $OpenBSD: ldapconf.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
++/*
++ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
++ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
++
++#include "ldapincludes.h"
++#include "ldap-helper.h"
++#include "log.h"
++#include "misc.h"
++#include "xmalloc.h"
++#include "ldapconf.h"
++#include <unistd.h>
++#include <string.h>
+
++/* Keyword tokens. */
++
++typedef enum {
++ lBadOption,
++ lHost, lURI, lBase, lBindDN, lBindPW, lRootBindDN,
++ lScope, lDeref, lPort, lTimeLimit, lBind_TimeLimit,
++ lLdap_Version, lBind_Policy, lSSLPath, lSSL, lReferrals,
++ lRestart, lTLS_CheckPeer, lTLS_CaCertFile,
++ lTLS_CaCertDir, lTLS_Ciphers, lTLS_Cert, lTLS_Key,
++ lTLS_RandFile, lLogDir, lDebug, lSSH_Filter,
++ lAccountClass, lDeprecated, lUnsupported
++} OpCodes;
++
++/* Textual representations of the tokens. */
++
++static struct {
++ const char *name;
++ OpCodes opcode;
++} keywords[] = {
++ { "URI", lURI },
++ { "Base", lBase },
++ { "BindDN", lBindDN },
++ { "BindPW", lBindPW },
++ { "RootBindDN", lRootBindDN },
++ { "Host", lHost },
++ { "Port", lPort },
++ { "Scope", lScope },
++ { "Deref", lDeref },
++ { "TimeLimit", lTimeLimit },
++ { "TimeOut", lTimeLimit },
++ { "Bind_Timelimit", lBind_TimeLimit },
++ { "Network_TimeOut", lBind_TimeLimit },
+/*
-+ * Reads the config file and modifies the options accordingly. Options
-+ * should already be initialized before this call. This never returns if
-+ * there is an error. If the file does not exist, this returns 0.
++ * Todo
++ * SIZELIMIT
++ */
++ { "Ldap_Version", lLdap_Version },
++ { "Version", lLdap_Version },
++ { "Bind_Policy", lBind_Policy },
++ { "SSLPath", lSSLPath },
++ { "SSL", lSSL },
++ { "Referrals", lReferrals },
++ { "Restart", lRestart },
++ { "TLS_CheckPeer", lTLS_CheckPeer },
++ { "TLS_ReqCert", lTLS_CheckPeer },
++ { "TLS_CaCertFile", lTLS_CaCertFile },
++ { "TLS_CaCert", lTLS_CaCertFile },
++ { "TLS_CaCertDir", lTLS_CaCertDir },
++ { "TLS_Ciphers", lTLS_Ciphers },
++ { "TLS_Cipher_Suite", lTLS_Ciphers },
++ { "TLS_Cert", lTLS_Cert },
++ { "TLS_Certificate", lTLS_Cert },
++ { "TLS_Key", lTLS_Key },
++ { "TLS_RandFile", lTLS_RandFile },
++/*
++ * Todo
++ * TLS_CRLCHECK
++ * TLS_CRLFILE
+ */
++ { "LogDir", lLogDir },
++ { "Debug", lDebug },
++ { "SSH_Filter", lSSH_Filter },
++ { "AccountClass", lAccountClass },
++ { NULL, lBadOption }
++};
+
-+void
-+read_config_file(const char *filename)
-+{
-+ FILE *f;
-+ char line[1024];
-+ int active, linenum;
-+ int bad_options = 0;
-+ struct stat sb;
++/* Configuration ptions. */
+
-+ if ((f = fopen(filename, "r")) == NULL)
-+ fatal("fopen %s: %s", filename, strerror(errno));
++Options options;
+
-+ if (fstat(fileno(f), &sb) == -1)
-+ fatal("fstat %s: %s", filename, strerror(errno));
-+ if (((sb.st_uid != 0 && sb.st_uid != getuid()) ||
-+ (sb.st_mode & 022) != 0))
-+ fatal("Bad owner or permissions on %s", filename);
++/*
++ * Returns the number of the token pointed to by cp or oBadOption.
++ */
+
-+ debug("Reading configuration data %.200s", filename);
++static OpCodes
++parse_token(const char *cp, const char *filename, int linenum)
++{
++ u_int i;
+
-+ /*
-+ * Mark that we are now processing the options. This flag is turned
-+ * on/off by Host specifications.
-+ */
-+ active = 1;
-+ linenum = 0;
-+ while (fgets(line, sizeof(line), f)) {
-+ /* Update line number counter. */
-+ linenum++;
-+ if (process_config_line(line, filename, linenum) != 0)
-+ bad_options++;
-+ }
-+ fclose(f);
-+ if ((bad_options > 0) && config_exclusive_config_file)
-+ fatal("%s: terminating, %d bad configuration options",
-+ filename, bad_options);
++ for (i = 0; keywords[i].name; i++)
++ if (strcasecmp(cp, keywords[i].name) == 0)
++ return keywords[i].opcode;
++
++ if (config_warning_config_file)
++ logit("%s: line %d: Bad configuration option: %s",
++ filename, linenum, cp);
++ return lBadOption;
+}
+
+/*
-+ * Initializes options to special values that indicate that they have not yet
-+ * been set. Read_config_file will only set options with this value. Options
-+ * are processed in the following order: command line, user config file,
-+ * system config file. Last, fill_default_options is called.
++ * Processes a single option line as used in the configuration files. This
++ * only sets those values that have not already been set.
+ */
++#define WHITESPACE " \t\r\n"
+
-+void
-+initialize_options(void)
++static int
++process_config_line(char *line, const char *filename, int linenum)
+{
-+ memset(&options, 'X', sizeof(options));
-+ options.host = NULL;
-+ options.uri = NULL;
-+ options.base = NULL;
-+ options.binddn = NULL;
-+ options.bindpw = NULL;
-+ options.scope = -1;
-+ options.deref = -1;
-+ options.port = -1;
-+ options.timelimit = -1;
-+ options.bind_timelimit = -1;
-+ options.ldap_version = -1;
-+ options.bind_policy = -1;
-+ options.sslpath = NULL;
-+ options.ssl = -1;
-+ options.referrals = -1;
-+ options.restart = -1;
-+ options.tls_checkpeer = -1;
-+ options.tls_cacertfile = NULL;
-+ options.tls_cacertdir = NULL;
-+ options.tls_ciphers = NULL;
-+ options.tls_cert = NULL;
-+ options.tls_key = NULL;
-+ options.tls_randfile = NULL;
-+ options.logdir = NULL;
-+ options.debug = -1;
-+ options.ssh_filter = NULL;
-+ options.account_class = NULL;
-+}
++ char *s, **charptr, **xstringptr, *endofnumber, *keyword, *arg;
++ char *rootbinddn = NULL;
++ int opcode, *intptr, value;
++ size_t len;
+
-+/*
-+ * Called after processing other sources of option data, this fills those
-+ * options for which no value has been specified with their default values.
-+ */
++ /* Strip trailing whitespace */
++ for (len = strlen(line) - 1; len > 0; len--) {
++ if (strchr(WHITESPACE, line[len]) == NULL)
++ break;
++ line[len] = '\0';
++ }
+
-+void
-+fill_default_options(void)
-+{
-+ if (options.uri != NULL) {
-+ LDAPURLDesc *ludp;
++ s = line;
++ /* Get the keyword. (Each line is supposed to begin with a keyword). */
++ if ((keyword = strdelim(&s)) == NULL)
++ return 0;
++ /* Ignore leading whitespace. */
++ if (*keyword == '\0')
++ keyword = strdelim(&s);
++ if (keyword == NULL || !*keyword || *keyword == '\n' || *keyword == '#')
++ return 0;
+
-+ if (ldap_url_parse(options.uri, &ludp) == LDAP_SUCCESS) {
-+ if (options.ssl == -1) {
-+ if (strcmp (ludp->lud_scheme, "ldap") == 0)
-+ options.ssl = 2;
-+ if (strcmp (ludp->lud_scheme, "ldapi") == 0)
-+ options.ssl = 0;
-+ else if (strcmp (ludp->lud_scheme, "ldaps") == 0)
-+ options.ssl = 1;
-+ }
-+ if (options.host == NULL)
-+ options.host = xstrdup (ludp->lud_host);
-+ if (options.port == -1)
-+ options.port = ludp->lud_port;
++ opcode = parse_token(keyword, filename, linenum);
+
-+ ldap_free_urldesc (ludp);
-+ }
-+ }
-+ if (options.ssl == -1)
-+ options.ssl = SSL_START_TLS;
-+ if (options.port == -1)
-+ options.port = (options.ssl == 0) ? 389 : 636;
-+ if (options.uri == NULL) {
-+ int len;
-+#define MAXURILEN 4096
++ switch (opcode) {
++ case lBadOption:
++ /* don't panic, but count bad options */
++ return -1;
++ /* NOTREACHED */
+
-+ options.uri = xmalloc (MAXURILEN);
-+ len = snprintf (options.uri, MAXURILEN, "ldap%s://%s:%d",
-+ (options.ssl == 0) ? "" : "s", options.host, options.port);
-+ options.uri[MAXURILEN - 1] = 0;
-+ options.uri = xreallocarray (options.uri, len + 1, 1);
-+ }
-+ if (options.binddn == NULL)
-+ options.binddn = "";
-+ if (options.bindpw == NULL)
-+ options.bindpw = "";
-+ if (options.scope == -1)
-+ options.scope = LDAP_SCOPE_SUBTREE;
-+ if (options.deref == -1)
-+ options.deref = LDAP_DEREF_NEVER;
-+ if (options.timelimit == -1)
-+ options.timelimit = 10;
-+ if (options.bind_timelimit == -1)
-+ options.bind_timelimit = 10;
-+ if (options.ldap_version == -1)
-+ options.ldap_version = 3;
-+ if (options.bind_policy == -1)
-+ options.bind_policy = 1;
-+ if (options.referrals == -1)
-+ options.referrals = 1;
-+ if (options.restart == -1)
-+ options.restart = 1;
-+ if (options.tls_checkpeer == -1)
-+ options.tls_checkpeer = LDAP_OPT_X_TLS_HARD;
-+ if (options.debug == -1)
-+ options.debug = 0;
-+ if (options.ssh_filter == NULL)
-+ options.ssh_filter = "";
-+ if (options.account_class == NULL)
-+ options.account_class = "posixAccount";
-+}
++ case lHost:
++ xstringptr = &options.host;
++parse_xstring:
++ if (!s || *s == '\0')
++ fatal("%s line %d: missing dn",filename,linenum);
++ if (*xstringptr == NULL)
++ *xstringptr = xstrdup(s);
++ return 0;
+
-+static const char *
-+lookup_opcode_name(OpCodes code)
-+{
-+ u_int i;
++ case lURI:
++ xstringptr = &options.uri;
++ goto parse_xstring;
+
-+ for (i = 0; keywords[i].name != NULL; i++)
-+ if (keywords[i].opcode == code)
-+ return(keywords[i].name);
-+ return "UNKNOWN";
-+}
++ case lBase:
++ xstringptr = &options.base;
++ goto parse_xstring;
+
-+static void
-+dump_cfg_string(OpCodes code, const char *val)
-+{
-+ if (val == NULL)
-+ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
-+ else
-+ debug3("%s %s", lookup_opcode_name(code), val);
-+}
++ case lBindDN:
++ xstringptr = &options.binddn;
++ goto parse_xstring;
+
-+static void
-+dump_cfg_int(OpCodes code, int val)
-+{
-+ if (val == -1)
-+ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
-+ else
-+ debug3("%s %d", lookup_opcode_name(code), val);
-+}
++ case lBindPW:
++ charptr = &options.bindpw;
++parse_string:
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing argument.", filename, linenum);
++ if (*charptr == NULL)
++ *charptr = xstrdup(arg);
++ break;
+
-+struct names {
-+ int value;
-+ char *name;
-+};
++ case lRootBindDN:
++ xstringptr = &rootbinddn;
++ goto parse_xstring;
+
-+static void
-+dump_cfg_namedint(OpCodes code, int val, struct names *names)
-+{
-+ u_int i;
++ case lScope:
++ intptr = &options.scope;
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing sub/one/base argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (strcasecmp (arg, "sub") == 0 || strcasecmp (arg, "subtree") == 0)
++ value = LDAP_SCOPE_SUBTREE;
++ else if (strcasecmp (arg, "one") == 0)
++ value = LDAP_SCOPE_ONELEVEL;
++ else if (strcasecmp (arg, "base") == 0)
++ value = LDAP_SCOPE_BASE;
++ else
++ fatal("%.200s line %d: Bad sub/one/base argument.", filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+ if (val == -1)
-+ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
-+ else {
-+ for (i = 0; names[i].value != -1; i++)
-+ if (names[i].value == val) {
-+ debug3("%s %s", lookup_opcode_name(code), names[i].name);
-+ return;
-+ }
-+ debug3("%s unknown: %d", lookup_opcode_name(code), val);
-+ }
-+}
++ case lDeref:
++ intptr = &options.scope;
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing never/searching/finding/always argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (!strcasecmp (arg, "never"))
++ value = LDAP_DEREF_NEVER;
++ else if (!strcasecmp (arg, "searching"))
++ value = LDAP_DEREF_SEARCHING;
++ else if (!strcasecmp (arg, "finding"))
++ value = LDAP_DEREF_FINDING;
++ else if (!strcasecmp (arg, "always"))
++ value = LDAP_DEREF_ALWAYS;
++ else
++ fatal("%.200s line %d: Bad never/searching/finding/always argument.", filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+static struct names _yesnotls[] = {
-+ { 0, "No" },
-+ { 1, "Yes" },
-+ { 2, "Start_TLS" },
-+ { -1, NULL }};
++ case lPort:
++ intptr = &options.port;
++parse_int:
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing argument.", filename, linenum);
++ if (arg[0] < '0' || arg[0] > '9')
++ fatal("%.200s line %d: Bad number.", filename, linenum);
+
-+static struct names _scope[] = {
-+ { LDAP_SCOPE_BASE, "Base" },
-+ { LDAP_SCOPE_ONELEVEL, "One" },
-+ { LDAP_SCOPE_SUBTREE, "Sub"},
-+ { -1, NULL }};
++ /* Octal, decimal, or hex format? */
++ value = strtol(arg, &endofnumber, 0);
++ if (arg == endofnumber)
++ fatal("%.200s line %d: Bad number.", filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+static struct names _deref[] = {
-+ { LDAP_DEREF_NEVER, "Never" },
-+ { LDAP_DEREF_SEARCHING, "Searching" },
-+ { LDAP_DEREF_FINDING, "Finding" },
-+ { LDAP_DEREF_ALWAYS, "Always" },
-+ { -1, NULL }};
++ case lTimeLimit:
++ intptr = &options.timelimit;
++parse_time:
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%s line %d: missing time value.",
++ filename, linenum);
++ if ((value = convtime(arg)) == -1)
++ fatal("%s line %d: invalid time value.",
++ filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+static struct names _yesno[] = {
-+ { 0, "No" },
-+ { 1, "Yes" },
-+ { -1, NULL }};
++ case lBind_TimeLimit:
++ intptr = &options.bind_timelimit;
++ goto parse_time;
+
-+static struct names _bindpolicy[] = {
-+ { 0, "Soft" },
-+ { 1, "Hard" },
-+ { -1, NULL }};
++ case lLdap_Version:
++ intptr = &options.ldap_version;
++ goto parse_int;
+
-+static struct names _checkpeer[] = {
-+ { LDAP_OPT_X_TLS_NEVER, "Never" },
-+ { LDAP_OPT_X_TLS_HARD, "Hard" },
-+ { LDAP_OPT_X_TLS_DEMAND, "Demand" },
-+ { LDAP_OPT_X_TLS_ALLOW, "Allow" },
-+ { LDAP_OPT_X_TLS_TRY, "TRY" },
-+ { -1, NULL }};
++ case lBind_Policy:
++ intptr = &options.bind_policy;
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing soft/hard argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (strcasecmp(arg, "hard") == 0 || strcasecmp(arg, "hard_open") == 0 || strcasecmp(arg, "hard_init") == 0)
++ value = 1;
++ else if (strcasecmp(arg, "soft") == 0)
++ value = 0;
++ else
++ fatal("%.200s line %d: Bad soft/hard argument.", filename, linenum);
++ if (*intptr == -1)
++ break;
+
-+void
-+dump_config(void)
-+{
-+ dump_cfg_string(lURI, options.uri);
-+ dump_cfg_string(lHost, options.host);
-+ dump_cfg_int(lPort, options.port);
-+ dump_cfg_namedint(lSSL, options.ssl, _yesnotls);
-+ dump_cfg_int(lLdap_Version, options.ldap_version);
-+ dump_cfg_int(lTimeLimit, options.timelimit);
-+ dump_cfg_int(lBind_TimeLimit, options.bind_timelimit);
-+ dump_cfg_string(lBase, options.base);
-+ dump_cfg_string(lBindDN, options.binddn);
-+ dump_cfg_string(lBindPW, options.bindpw);
-+ dump_cfg_namedint(lScope, options.scope, _scope);
-+ dump_cfg_namedint(lDeref, options.deref, _deref);
-+ dump_cfg_namedint(lReferrals, options.referrals, _yesno);
-+ dump_cfg_namedint(lRestart, options.restart, _yesno);
-+ dump_cfg_namedint(lBind_Policy, options.bind_policy, _bindpolicy);
-+ dump_cfg_string(lSSLPath, options.sslpath);
-+ dump_cfg_namedint(lTLS_CheckPeer, options.tls_checkpeer, _checkpeer);
-+ dump_cfg_string(lTLS_CaCertFile, options.tls_cacertfile);
-+ dump_cfg_string(lTLS_CaCertDir, options.tls_cacertdir);
-+ dump_cfg_string(lTLS_Ciphers, options.tls_ciphers);
-+ dump_cfg_string(lTLS_Cert, options.tls_cert);
-+ dump_cfg_string(lTLS_Key, options.tls_key);
-+ dump_cfg_string(lTLS_RandFile, options.tls_randfile);
-+ dump_cfg_string(lLogDir, options.logdir);
-+ dump_cfg_int(lDebug, options.debug);
-+ dump_cfg_string(lSSH_Filter, options.ssh_filter);
-+ dump_cfg_string(lAccountClass, options.logdir);
-+}
++ case lSSLPath:
++ charptr = &options.sslpath;
++ goto parse_string;
+
-diff -up openssh-6.2p2/ldapconf.h.ldap openssh-6.2p2/ldapconf.h
---- openssh-6.2p2/ldapconf.h.ldap 2013-06-07 15:10:05.602942689 +0200
-+++ openssh-6.2p2/ldapconf.h 2013-06-07 15:10:24.928857566 +0200
-@@ -0,0 +1,72 @@
-+/* $OpenBSD: ldapconf.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
-+/*
-+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
-+ *
-+ * Redistribution and use in source and binary forms, with or without
-+ * modification, are permitted provided that the following conditions
-+ * are met:
-+ * 1. Redistributions of source code must retain the above copyright
-+ * notice, this list of conditions and the following disclaimer.
-+ * 2. Redistributions in binary form must reproduce the above copyright
-+ * notice, this list of conditions and the following disclaimer in the
-+ * documentation and/or other materials provided with the distribution.
-+ *
-+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-+ */
++ case lSSL:
++ intptr = &options.ssl;
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing yes/no/start_tls argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
++ value = SSL_LDAPS;
++ else if (strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
++ value = SSL_OFF;
++ else if (!strcasecmp (arg, "start_tls"))
++ value = SSL_START_TLS;
++ else
++ fatal("%.200s line %d: Bad yes/no/start_tls argument.", filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+#ifndef LDAPCONF_H
-+#define LDAPCONF_H
++ case lReferrals:
++ intptr = &options.referrals;
++parse_flag:
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing yes/no argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
++ value = 1;
++ else if (strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
++ value = 0;
++ else
++ fatal("%.200s line %d: Bad yes/no argument.", filename, linenum);
++ if (*intptr == -1)
++ *intptr = value;
++ break;
+
-+#define SSL_OFF 0
-+#define SSL_LDAPS 1
-+#define SSL_START_TLS 2
++ case lRestart:
++ intptr = &options.restart;
++ goto parse_flag;
+
-+/* Data structure for representing option data. */
++ case lTLS_CheckPeer:
++ intptr = &options.tls_checkpeer;
++ arg = strdelim(&s);
++ if (!arg || *arg == '\0')
++ fatal("%.200s line %d: Missing never/hard/demand/alow/try argument.", filename, linenum);
++ value = 0; /* To avoid compiler warning... */
++ if (strcasecmp(arg, "never") == 0 || strcasecmp(arg, "no") == 0 || strcasecmp(arg, "false") == 0 || strcasecmp(arg, "off") == 0)
++ value = LDAP_OPT_X_TLS_NEVER;
++ else if (strcasecmp(arg, "hard") == 0 || strcasecmp(arg, "yes") == 0 || strcasecmp(arg, "true") == 0 || strcasecmp(arg, "on") == 0)
++ value = LDAP_OPT_X_TLS_HARD;
++ else if (strcasecmp(arg, "demand") == 0)
++ value = LDAP_OPT_X_TLS_DEMAND;
++ else if (strcasecmp(arg, "allow") == 0)
++ value = LDAP_OPT_X_TLS_ALLOW;
++ else if (strcasecmp(arg, "try") == 0)
++ value = LDAP_OPT_X_TLS_TRY;
++ else
++ fatal("%.200s line %d: Bad never/hard/demand/alow/try argument.", filename, linenum);
++ if (*intptr == -1)
++ break;
+
-+typedef struct {
-+ char *host;
-+ char *uri;
-+ char *base;
-+ char *binddn;
-+ char *bindpw;
-+ int scope;
-+ int deref;
-+ int port;
-+ int timelimit;
-+ int bind_timelimit;
-+ int ldap_version;
-+ int bind_policy;
-+ char *sslpath;
-+ int ssl;
-+ int referrals;
-+ int restart;
-+ int tls_checkpeer;
-+ char *tls_cacertfile;
-+ char *tls_cacertdir;
-+ char *tls_ciphers;
-+ char *tls_cert;
-+ char *tls_key;
-+ char *tls_randfile;
-+ char *logdir;
-+ int debug;
-+ char *ssh_filter;
-+ char *account_class;
-+} Options;
++ case lTLS_CaCertFile:
++ charptr = &options.tls_cacertfile;
++ goto parse_string;
+
-+extern Options options;
++ case lTLS_CaCertDir:
++ charptr = &options.tls_cacertdir;
++ goto parse_string;
+
-+void read_config_file(const char *);
-+void initialize_options(void);
-+void fill_default_options(void);
-+void dump_config(void);
++ case lTLS_Ciphers:
++ xstringptr = &options.tls_ciphers;
++ goto parse_xstring;
+
-+#endif /* LDAPCONF_H */
-diff -up openssh-6.2p1/ldap.conf.ldap openssh-6.2p1/ldap.conf
---- openssh-6.2p1/ldap.conf.ldap 2013-03-25 21:27:15.891248091 +0100
-+++ openssh-6.2p1/ldap.conf 2013-03-25 21:27:15.891248091 +0100
-@@ -0,0 +1,88 @@
-+# $Id: openssh-5.5p1-ldap.patch,v 1.3 2010/07/07 13:48:36 jfch2222 Exp $
-+#
-+# This is the example configuration file for the OpenSSH
-+# LDAP backend
-+#
-+# see ssh-ldap.conf(5)
-+#
++ case lTLS_Cert:
++ charptr = &options.tls_cert;
++ goto parse_string;
+
-+# URI with your LDAP server name. This allows to use
-+# Unix Domain Sockets to connect to a local LDAP Server.
-+#uri ldap://127.0.0.1/
-+#uri ldaps://127.0.0.1/
-+#uri ldapi://%2fvar%2frun%2fldapi_sock/
-+# Note: %2f encodes the '/' used as directory separator
++ case lTLS_Key:
++ charptr = &options.tls_key;
++ goto parse_string;
++
++ case lTLS_RandFile:
++ charptr = &options.tls_randfile;
++ goto parse_string;
+
-+# Another way to specify your LDAP server is to provide an
-+# host name and the port of our LDAP server. Host name
-+# must be resolvable without using LDAP.
-+# Multiple hosts may be specified, each separated by a
-+# space. How long nss_ldap takes to failover depends on
-+# whether your LDAP client library supports configurable
-+# network or connect timeouts (see bind_timelimit).
-+#host 127.0.0.1
++ case lLogDir:
++ charptr = &options.logdir;
++ goto parse_string;
+
-+# The port.
-+# Optional: default is 389.
-+#port 389
++ case lDebug:
++ intptr = &options.debug;
++ goto parse_int;
+
-+# The distinguished name to bind to the server with.
-+# Optional: default is to bind anonymously.
-+#binddn cn=openssh_keys,dc=example,dc=org
++ case lSSH_Filter:
++ xstringptr = &options.ssh_filter;
++ goto parse_xstring;
+
-+# The credentials to bind with.
-+# Optional: default is no credential.
-+#bindpw TopSecret
++ case lAccountClass:
++ charptr = &options.account_class;
++ goto parse_string;
+
-+# The distinguished name of the search base.
-+#base dc=example,dc=org
++ case lDeprecated:
++ debug("%s line %d: Deprecated option \"%s\"",
++ filename, linenum, keyword);
++ return 0;
+
-+# The LDAP version to use (defaults to 3
-+# if supported by client library)
-+#ldap_version 3
++ case lUnsupported:
++ error("%s line %d: Unsupported option \"%s\"",
++ filename, linenum, keyword);
++ return 0;
+
-+# The search scope.
-+#scope sub
-+#scope one
-+#scope base
++ default:
++ fatal("process_config_line: Unimplemented opcode %d", opcode);
++ }
+
-+# Search timelimit
-+#timelimit 30
++ /* Check that there is no garbage at end of line. */
++ if ((arg = strdelim(&s)) != NULL && *arg != '\0') {
++ fatal("%.200s line %d: garbage at end of line; \"%.200s\".",
++ filename, linenum, arg);
++ }
++ return 0;
++}
+
-+# Bind/connect timelimit
-+#bind_timelimit 30
++/*
++ * Reads the config file and modifies the options accordingly. Options
++ * should already be initialized before this call. This never returns if
++ * there is an error. If the file does not exist, this returns 0.
++ */
+
-+# Reconnect policy: hard (default) will retry connecting to
-+# the software with exponential backoff, soft will fail
-+# immediately.
-+#bind_policy hard
++void
++read_config_file(const char *filename)
++{
++ FILE *f;
++ char line[1024];
++ int active, linenum;
++ int bad_options = 0;
++ struct stat sb;
+
-+# SSL setup, may be implied by URI also.
-+#ssl no
-+#ssl on
-+#ssl start_tls
++ if ((f = fopen(filename, "r")) == NULL)
++ fatal("fopen %s: %s", filename, strerror(errno));
+
-+# OpenLDAP SSL options
-+# Require and verify server certificate (yes/no)
-+# Default is to use libldap's default behavior, which can be configured in
-+# /etc/openldap/ldap.conf using the TLS_REQCERT setting. The default for
-+# OpenLDAP 2.0 and earlier is "no", for 2.1 and later is "yes".
-+#tls_checkpeer hard
++ if (fstat(fileno(f), &sb) == -1)
++ fatal("fstat %s: %s", filename, strerror(errno));
++ if (((sb.st_uid != 0 && sb.st_uid != getuid()) ||
++ (sb.st_mode & 022) != 0))
++ fatal("Bad owner or permissions on %s", filename);
+
-+# CA certificates for server certificate verification
-+# At least one of these are required if tls_checkpeer is "yes"
-+#tls_cacertfile /etc/ssl/ca.cert
-+#tls_cacertdir /etc/pki/tls/certs
++ debug("Reading configuration data %.200s", filename);
+
-+# Seed the PRNG if /dev/urandom is not provided
-+#tls_randfile /var/run/egd-pool
++ /*
++ * Mark that we are now processing the options. This flag is turned
++ * on/off by Host specifications.
++ */
++ active = 1;
++ linenum = 0;
++ while (fgets(line, sizeof(line), f)) {
++ /* Update line number counter. */
++ linenum++;
++ if (process_config_line(line, filename, linenum) != 0)
++ bad_options++;
++ }
++ fclose(f);
++ if ((bad_options > 0) && config_exclusive_config_file)
++ fatal("%s: terminating, %d bad configuration options",
++ filename, bad_options);
++}
+
-+# SSL cipher suite
-+# See man ciphers for syntax
-+#tls_ciphers TLSv1
++/*
++ * Initializes options to special values that indicate that they have not yet
++ * been set. Read_config_file will only set options with this value. Options
++ * are processed in the following order: command line, user config file,
++ * system config file. Last, fill_default_options is called.
++ */
+
-+# Client certificate and key
-+# Use these, if your server requires client authentication.
-+#tls_cert
-+#tls_key
++void
++initialize_options(void)
++{
++ memset(&options, 'X', sizeof(options));
++ options.host = NULL;
++ options.uri = NULL;
++ options.base = NULL;
++ options.binddn = NULL;
++ options.bindpw = NULL;
++ options.scope = -1;
++ options.deref = -1;
++ options.port = -1;
++ options.timelimit = -1;
++ options.bind_timelimit = -1;
++ options.ldap_version = -1;
++ options.bind_policy = -1;
++ options.sslpath = NULL;
++ options.ssl = -1;
++ options.referrals = -1;
++ options.restart = -1;
++ options.tls_checkpeer = -1;
++ options.tls_cacertfile = NULL;
++ options.tls_cacertdir = NULL;
++ options.tls_ciphers = NULL;
++ options.tls_cert = NULL;
++ options.tls_key = NULL;
++ options.tls_randfile = NULL;
++ options.logdir = NULL;
++ options.debug = -1;
++ options.ssh_filter = NULL;
++ options.account_class = NULL;
++}
+
-diff -up openssh-6.2p1/ldap-helper.c.ldap openssh-6.2p1/ldap-helper.c
---- openssh-6.2p1/ldap-helper.c.ldap 2013-03-25 21:27:15.892248097 +0100
-+++ openssh-6.2p1/ldap-helper.c 2013-03-25 21:27:15.892248097 +0100
-@@ -0,0 +1,155 @@
-+/* $OpenBSD: ssh-pka-ldap.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+/*
-+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
-+ *
-+ * Redistribution and use in source and binary forms, with or without
-+ * modification, are permitted provided that the following conditions
-+ * are met:
-+ * 1. Redistributions of source code must retain the above copyright
-+ * notice, this list of conditions and the following disclaimer.
-+ * 2. Redistributions in binary form must reproduce the above copyright
-+ * notice, this list of conditions and the following disclaimer in the
-+ * documentation and/or other materials provided with the distribution.
-+ *
-+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ * Called after processing other sources of option data, this fills those
++ * options for which no value has been specified with their default values.
+ */
+
-+#include "ldapincludes.h"
-+#include "log.h"
-+#include "misc.h"
-+#include "xmalloc.h"
-+#include "ldapconf.h"
-+#include "ldapbody.h"
-+#include <string.h>
-+#include <unistd.h>
++void
++fill_default_options(void)
++{
++ if (options.uri != NULL) {
++ LDAPURLDesc *ludp;
++
++ if (ldap_url_parse(options.uri, &ludp) == LDAP_SUCCESS) {
++ if (options.ssl == -1) {
++ if (strcmp (ludp->lud_scheme, "ldap") == 0)
++ options.ssl = 2;
++ if (strcmp (ludp->lud_scheme, "ldapi") == 0)
++ options.ssl = 0;
++ else if (strcmp (ludp->lud_scheme, "ldaps") == 0)
++ options.ssl = 1;
++ }
++ if (options.host == NULL)
++ options.host = xstrdup (ludp->lud_host);
++ if (options.port == -1)
++ options.port = ludp->lud_port;
++
++ ldap_free_urldesc (ludp);
++ }
++ }
++ if (options.ssl == -1)
++ options.ssl = SSL_START_TLS;
++ if (options.port == -1)
++ options.port = (options.ssl == 0) ? 389 : 636;
++ if (options.uri == NULL) {
++ int len;
++#define MAXURILEN 4096
++
++ options.uri = xmalloc (MAXURILEN);
++ len = snprintf (options.uri, MAXURILEN, "ldap%s://%s:%d",
++ (options.ssl == 0) ? "" : "s", options.host, options.port);
++ options.uri[MAXURILEN - 1] = 0;
++ options.uri = xreallocarray (options.uri, len + 1, 1);
++ }
++ if (options.binddn == NULL)
++ options.binddn = "";
++ if (options.bindpw == NULL)
++ options.bindpw = "";
++ if (options.scope == -1)
++ options.scope = LDAP_SCOPE_SUBTREE;
++ if (options.deref == -1)
++ options.deref = LDAP_DEREF_NEVER;
++ if (options.timelimit == -1)
++ options.timelimit = 10;
++ if (options.bind_timelimit == -1)
++ options.bind_timelimit = 10;
++ if (options.ldap_version == -1)
++ options.ldap_version = 3;
++ if (options.bind_policy == -1)
++ options.bind_policy = 1;
++ if (options.referrals == -1)
++ options.referrals = 1;
++ if (options.restart == -1)
++ options.restart = 1;
++ if (options.tls_checkpeer == -1)
++ options.tls_checkpeer = LDAP_OPT_X_TLS_HARD;
++ if (options.debug == -1)
++ options.debug = 0;
++ if (options.ssh_filter == NULL)
++ options.ssh_filter = "";
++ if (options.account_class == NULL)
++ options.account_class = "posixAccount";
++}
+
-+static int config_debug = 0;
-+int config_exclusive_config_file = 0;
-+static char *config_file_name = "/etc/ssh/ldap.conf";
-+static char *config_single_user = NULL;
-+static int config_verbose = SYSLOG_LEVEL_VERBOSE;
-+int config_warning_config_file = 0;
-+extern char *__progname;
++static const char *
++lookup_opcode_name(OpCodes code)
++{
++ u_int i;
++
++ for (i = 0; keywords[i].name != NULL; i++)
++ if (keywords[i].opcode == code)
++ return(keywords[i].name);
++ return "UNKNOWN";
++}
+
+static void
-+usage(void)
++dump_cfg_string(OpCodes code, const char *val)
+{
-+ fprintf(stderr, "usage: %s [options]\n",
-+ __progname);
-+ fprintf(stderr, "Options:\n");
-+ fprintf(stderr, " -d Output the log messages to stderr.\n");
-+ fprintf(stderr, " -e Check the config file for unknown commands.\n");
-+ fprintf(stderr, " -f file Use alternate config file (default is /etc/ssh/ldap.conf).\n");
-+ fprintf(stderr, " -s user Do not demonize, send the user's key to stdout.\n");
-+ fprintf(stderr, " -v Increase verbosity of the debug output (implies -d).\n");
-+ fprintf(stderr, " -w Warn on unknown commands in the config file.\n");
-+ exit(1);
++ if (val == NULL)
++ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
++ else
++ debug3("%s %s", lookup_opcode_name(code), val);
+}
+
-+/*
-+ * Main program for the ssh pka ldap agent.
-+ */
-+
-+int
-+main(int ac, char **av)
++static void
++dump_cfg_int(OpCodes code, int val)
+{
-+ int opt;
-+ FILE *outfile = NULL;
-+
-+ __progname = ssh_get_progname(av[0]);
-+
-+ log_init(__progname, SYSLOG_LEVEL_DEBUG3, SYSLOG_FACILITY_AUTH, 0);
-+
-+ /*
-+ * Initialize option structure to indicate that no values have been
-+ * set.
-+ */
-+ initialize_options();
-+
-+ /* Parse command-line arguments. */
-+ while ((opt = getopt(ac, av, "def:s:vw")) != -1) {
-+ switch (opt) {
-+ case 'd':
-+ config_debug = 1;
-+ break;
-+
-+ case 'e':
-+ config_exclusive_config_file = 1;
-+ config_warning_config_file = 1;
-+ break;
-+
-+ case 'f':
-+ config_file_name = optarg;
-+ break;
-+
-+ case 's':
-+ config_single_user = optarg;
-+ outfile = fdopen (dup (fileno (stdout)), "w");
-+ break;
++ if (val == -1)
++ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
++ else
++ debug3("%s %d", lookup_opcode_name(code), val);
++}
+
-+ case 'v':
-+ config_debug = 1;
-+ if (config_verbose < SYSLOG_LEVEL_DEBUG3)
-+ config_verbose++;
-+ break;
++struct names {
++ int value;
++ char *name;
++};
+
-+ case 'w':
-+ config_warning_config_file = 1;
-+ break;
++static void
++dump_cfg_namedint(OpCodes code, int val, struct names *names)
++{
++ u_int i;
+
-+ case '?':
-+ default:
-+ usage();
-+ break;
++ if (val == -1)
++ debug3("%s <UNDEFINED>", lookup_opcode_name(code));
++ else {
++ for (i = 0; names[i].value != -1; i++)
++ if (names[i].value == val) {
++ debug3("%s %s", lookup_opcode_name(code), names[i].name);
++ return;
+ }
++ debug3("%s unknown: %d", lookup_opcode_name(code), val);
+ }
++}
+
-+ /* Initialize loging */
-+ log_init(__progname, config_verbose, SYSLOG_FACILITY_AUTH, config_debug);
++static struct names _yesnotls[] = {
++ { 0, "No" },
++ { 1, "Yes" },
++ { 2, "Start_TLS" },
++ { -1, NULL }};
+
-+ if (ac != optind)
-+ fatal ("illegal extra parameter %s", av[1]);
++static struct names _scope[] = {
++ { LDAP_SCOPE_BASE, "Base" },
++ { LDAP_SCOPE_ONELEVEL, "One" },
++ { LDAP_SCOPE_SUBTREE, "Sub"},
++ { -1, NULL }};
+
-+ /* Ensure that fds 0 and 2 are open or directed to /dev/null */
-+ if (config_debug == 0)
-+ sanitise_stdfd();
++static struct names _deref[] = {
++ { LDAP_DEREF_NEVER, "Never" },
++ { LDAP_DEREF_SEARCHING, "Searching" },
++ { LDAP_DEREF_FINDING, "Finding" },
++ { LDAP_DEREF_ALWAYS, "Always" },
++ { -1, NULL }};
+
-+ /* Read config file */
-+ read_config_file(config_file_name);
-+ fill_default_options();
-+ if (config_verbose == SYSLOG_LEVEL_DEBUG3) {
-+ debug3 ("=== Configuration ===");
-+ dump_config();
-+ debug3 ("=== *** ===");
-+ }
++static struct names _yesno[] = {
++ { 0, "No" },
++ { 1, "Yes" },
++ { -1, NULL }};
+
-+ ldap_checkconfig();
-+ ldap_do_connect();
++static struct names _bindpolicy[] = {
++ { 0, "Soft" },
++ { 1, "Hard" },
++ { -1, NULL }};
+
-+ if (config_single_user) {
-+ process_user (config_single_user, outfile);
-+ } else {
-+ usage();
-+ fatal ("Not yet implemented");
-+/* TODO
-+ * open unix socket a run the loop on it
-+ */
-+ }
++static struct names _checkpeer[] = {
++ { LDAP_OPT_X_TLS_NEVER, "Never" },
++ { LDAP_OPT_X_TLS_HARD, "Hard" },
++ { LDAP_OPT_X_TLS_DEMAND, "Demand" },
++ { LDAP_OPT_X_TLS_ALLOW, "Allow" },
++ { LDAP_OPT_X_TLS_TRY, "TRY" },
++ { -1, NULL }};
+
-+ ldap_do_close();
-+ return 0;
++void
++dump_config(void)
++{
++ dump_cfg_string(lURI, options.uri);
++ dump_cfg_string(lHost, options.host);
++ dump_cfg_int(lPort, options.port);
++ dump_cfg_namedint(lSSL, options.ssl, _yesnotls);
++ dump_cfg_int(lLdap_Version, options.ldap_version);
++ dump_cfg_int(lTimeLimit, options.timelimit);
++ dump_cfg_int(lBind_TimeLimit, options.bind_timelimit);
++ dump_cfg_string(lBase, options.base);
++ dump_cfg_string(lBindDN, options.binddn);
++ dump_cfg_string(lBindPW, options.bindpw);
++ dump_cfg_namedint(lScope, options.scope, _scope);
++ dump_cfg_namedint(lDeref, options.deref, _deref);
++ dump_cfg_namedint(lReferrals, options.referrals, _yesno);
++ dump_cfg_namedint(lRestart, options.restart, _yesno);
++ dump_cfg_namedint(lBind_Policy, options.bind_policy, _bindpolicy);
++ dump_cfg_string(lSSLPath, options.sslpath);
++ dump_cfg_namedint(lTLS_CheckPeer, options.tls_checkpeer, _checkpeer);
++ dump_cfg_string(lTLS_CaCertFile, options.tls_cacertfile);
++ dump_cfg_string(lTLS_CaCertDir, options.tls_cacertdir);
++ dump_cfg_string(lTLS_Ciphers, options.tls_ciphers);
++ dump_cfg_string(lTLS_Cert, options.tls_cert);
++ dump_cfg_string(lTLS_Key, options.tls_key);
++ dump_cfg_string(lTLS_RandFile, options.tls_randfile);
++ dump_cfg_string(lLogDir, options.logdir);
++ dump_cfg_int(lDebug, options.debug);
++ dump_cfg_string(lSSH_Filter, options.ssh_filter);
++ dump_cfg_string(lAccountClass, options.logdir);
+}
+
-+/* Ugly hack */
-+void *buffer_get_string(struct sshbuf *b, u_int *l) { return NULL; }
-+void buffer_put_string(struct sshbuf *b, const void *f, u_int l) {}
-+
-diff -up openssh-6.2p1/ldap-helper.h.ldap openssh-6.2p1/ldap-helper.h
---- openssh-6.2p1/ldap-helper.h.ldap 2013-03-25 21:27:15.892248097 +0100
-+++ openssh-6.2p1/ldap-helper.h 2013-03-25 21:27:15.892248097 +0100
-@@ -0,0 +1,32 @@
-+/* $OpenBSD: ldap-helper.h,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapconf.h openssh-8.4p1/ldapconf.h
+--- openssh-8.4p1.org/ldapconf.h 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapconf.h 2021-03-01 11:29:31.280956671 +0100
+@@ -0,0 +1,72 @@
++/* $OpenBSD: ldapconf.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+/*
+ * Copyright (c) 2009 Jan F. Chadima. All rights reserved.
+ *
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
-+#ifndef LDAP_HELPER_H
-+#define LDAP_HELPER_H
++#ifndef LDAPCONF_H
++#define LDAPCONF_H
+
-+extern int config_exclusive_config_file;
-+extern int config_warning_config_file;
++#define SSL_OFF 0
++#define SSL_LDAPS 1
++#define SSL_START_TLS 2
++
++/* Data structure for representing option data. */
++
++typedef struct {
++ char *host;
++ char *uri;
++ char *base;
++ char *binddn;
++ char *bindpw;
++ int scope;
++ int deref;
++ int port;
++ int timelimit;
++ int bind_timelimit;
++ int ldap_version;
++ int bind_policy;
++ char *sslpath;
++ int ssl;
++ int referrals;
++ int restart;
++ int tls_checkpeer;
++ char *tls_cacertfile;
++ char *tls_cacertdir;
++ char *tls_ciphers;
++ char *tls_cert;
++ char *tls_key;
++ char *tls_randfile;
++ char *logdir;
++ int debug;
++ char *ssh_filter;
++ char *account_class;
++} Options;
++
++extern Options options;
++
++void read_config_file(const char *);
++void initialize_options(void);
++void fill_default_options(void);
++void dump_config(void);
+
-+#endif /* LDAP_HELPER_H */
-diff -up openssh-6.2p1/ldapincludes.h.ldap openssh-6.2p1/ldapincludes.h
---- openssh-6.2p1/ldapincludes.h.ldap 2013-03-25 21:27:15.892248097 +0100
-+++ openssh-6.2p1/ldapincludes.h 2013-03-25 21:27:15.892248097 +0100
++#endif /* LDAPCONF_H */
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapincludes.h openssh-8.4p1/ldapincludes.h
+--- openssh-8.4p1.org/ldapincludes.h 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapincludes.h 2021-03-01 11:29:31.280956671 +0100
@@ -0,0 +1,41 @@
+/* $OpenBSD: ldapconf.c,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+/*
+#endif
+
+#endif /* LDAPINCLUDES_H */
-diff -up openssh-6.2p1/ldapmisc.c.ldap openssh-6.2p1/ldapmisc.c
---- openssh-6.2p1/ldapmisc.c.ldap 2013-03-25 21:27:15.893248104 +0100
-+++ openssh-6.2p1/ldapmisc.c 2013-03-25 21:27:15.893248104 +0100
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapmisc.c openssh-8.4p1/ldapmisc.c
+--- openssh-8.4p1.org/ldapmisc.c 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapmisc.c 2021-03-01 11:29:31.280956671 +0100
@@ -0,0 +1,79 @@
+
+#include "ldapincludes.h"
+}
+#endif
+
-diff -up openssh-6.2p1/ldapmisc.h.ldap openssh-6.2p1/ldapmisc.h
---- openssh-6.2p1/ldapmisc.h.ldap 2013-03-25 21:27:15.893248104 +0100
-+++ openssh-6.2p1/ldapmisc.h 2013-03-25 21:27:15.893248104 +0100
+diff -urNp -x '*.orig' openssh-8.4p1.org/ldapmisc.h openssh-8.4p1/ldapmisc.h
+--- openssh-8.4p1.org/ldapmisc.h 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ldapmisc.h 2021-03-01 11:29:31.280956671 +0100
@@ -0,0 +1,35 @@
+/* $OpenBSD: ldapbody.h,v 1.1 2009/12/03 03:34:42 jfch Exp $ */
+/*
+
+#endif /* LDAPMISC_H */
+
---- openssh-7.2p1/Makefile.in.orig 2016-02-26 04:40:04.000000000 +0100
-+++ openssh-7.2p1/Makefile.in 2016-03-04 19:44:30.903306337 +0100
-@@ -25,6 +25,8 @@
- ASKPASS_PROGRAM=$(libexecdir)/ssh-askpass
- SFTP_SERVER=$(libexecdir)/sftp-server
- SSH_KEYSIGN=$(libexecdir)/ssh-keysign
-+SSH_LDAP_HELPER=$(libexecdir)/ssh-ldap-helper
-+SSH_LDAP_WRAPPER=$(libexecdir)/ssh-ldap-wrapper
- SSH_PKCS11_HELPER=$(libexecdir)/ssh-pkcs11-helper
- PRIVSEP_PATH=@PRIVSEP_PATH@
- SSH_PRIVSEP_USER=@SSH_PRIVSEP_USER@
-@@ -61,10 +63,11 @@
- EXEEXT=@EXEEXT@
- MANFMT=@MANFMT@
- MKDIR_P=@MKDIR_P@
-+INSTALL_SSH_LDAP_HELPER=@INSTALL_SSH_LDAP_HELPER@
-
- .SUFFIXES: .lo
-
--TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-sk-helper$(EXEEXT)
-+TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-sk-helper$(EXEEXT) ssh-ldap-helper$(EXEEXT)
-
- LIBOPENSSH_OBJS=\
- ssh_api.o \
-@@ -112,8 +115,8 @@
- sandbox-seccomp-filter.o sandbox-capsicum.o sandbox-pledge.o \
- sandbox-solaris.o
-
--MANPAGES = moduli.5.out scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-keysign.8.out ssh-pkcs11-helper.8.out ssh-sk-helper.8.out sshd_config.5.out ssh_config.5.out
--MANPAGES_IN = moduli.5 scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1 ssh-keysign.8 ssh-pkcs11-helper.8 ssh-sk-helper.8 sshd_config.5 ssh_config.5
-+MANPAGES = moduli.5.out scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-keysign.8.out ssh-pkcs11-helper.8.out ssh-sk-helper.8.out ssh-ldap-helper.8.out sshd_config.5.out ssh_config.5.out ssh-ldap.conf.5.out
-+MANPAGES_IN = moduli.5 scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1 ssh-keysign.8 ssh-pkcs11-helper.8 ssh-sk-helper.8 ssh-ldap-helper.8 sshd_config.5 ssh_config.5 ssh-ldap.conf.5
- MANTYPE = @MANTYPE@
-
- CONFIGFILES=sshd_config.out ssh_config.out moduli.out
-@@ -235,6 +235,9 @@ ssh-pkcs11-helper$(EXEEXT): $(LIBCOMPAT)
- ssh-sk-helper$(EXEEXT): $(LIBCOMPAT) libssh.a $(SKHELPER_OBJS)
- $(LD) -o $@ $(SKHELPER_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS) $(LIBFIDO2)
-
-+ssh-ldap-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o
-+ $(LD) -o $@ ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
-+
- ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHKEYSCAN_OBJS)
- $(LD) -o $@ $(SSHKEYSCAN_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
-
-@@ -395,6 +395,10 @@ install-files:
- $(INSTALL) -m 4711 $(STRIP_OPT) ssh-keysign$(EXEEXT) $(DESTDIR)$(SSH_KEYSIGN)$(EXEEXT)
- $(INSTALL) -m 0755 $(STRIP_OPT) ssh-pkcs11-helper$(EXEEXT) $(DESTDIR)$(SSH_PKCS11_HELPER)$(EXEEXT)
- $(INSTALL) -m 0755 $(STRIP_OPT) ssh-sk-helper$(EXEEXT) $(DESTDIR)$(SSH_SK_HELPER)$(EXEEXT)
-+ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
-+ $(INSTALL) -m 0700 $(STRIP_OPT) ssh-ldap-helper $(DESTDIR)$(SSH_LDAP_HELPER) ; \
-+ $(INSTALL) -m 0700 ssh-ldap-wrapper $(DESTDIR)$(SSH_LDAP_WRAPPER) ; \
-+ fi
- $(INSTALL) -m 0755 $(STRIP_OPT) sftp$(EXEEXT) $(DESTDIR)$(bindir)/sftp$(EXEEXT)
- $(INSTALL) -m 0755 $(STRIP_OPT) sftp-server$(EXEEXT) $(DESTDIR)$(SFTP_SERVER)$(EXEEXT)
- $(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
-@@ -416,6 +416,10 @@ install-files:
- $(INSTALL) -m 644 ssh-keysign.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-keysign.8
- $(INSTALL) -m 644 ssh-pkcs11-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-pkcs11-helper.8
- $(INSTALL) -m 644 ssh-sk-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-sk-helper.8
-+ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
-+ $(INSTALL) -m 644 ssh-ldap-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-ldap-helper.8 ; \
-+ $(INSTALL) -m 644 ssh-ldap.conf.5.out $(DESTDIR)$(mandir)/$(mansubdir)5/ssh-ldap.conf.5 ; \
-+ fi
-
- install-sysconf:
- $(MKDIR_P) $(DESTDIR)$(sysconfdir)
-@@ -352,6 +366,13 @@
- else \
- echo "$(DESTDIR)$(sysconfdir)/moduli already exists, install will not overwrite"; \
- fi
-+ if test ! -z "$(INSTALL_SSH_LDAP_HELPER)" ; then \
-+ if [ ! -f $(DESTDIR)$(sysconfdir)/ldap.conf ]; then \
-+ $(INSTALL) -m 644 ldap.conf $(DESTDIR)$(sysconfdir)/ldap.conf; \
-+ else \
-+ echo "$(DESTDIR)$(sysconfdir)/ldap.conf already exists, install will not overwrite"; \
-+ fi ; \
-+ fi
-
- host-key: ssh-keygen$(EXEEXT)
- @if [ -z "$(DESTDIR)" ] ; then \
-@@ -488,6 +488,8 @@ uninstall:
- -rm -f $(DESTDIR)$(SSH_KEYSIGN)$(EXEEXT)
- -rm -f $(DESTDIR)$(SSH_PKCS11_HELPER)$(EXEEXT)
- -rm -f $(DESTDIR)$(SSH_SK_HELPER)$(EXEEXT)
-+ -rm -f $(DESTDIR)$(SSH_LDAP_HELPER)$(EXEEXT)
-+ -rm -f $(DESTDIR)$(SSH_LDAP_WRAPPER)$(EXEEXT)
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/scp.1
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh-add.1
-@@ -502,6 +502,7 @@ uninstall:
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-keysign.8
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-pkcs11-helper.8
- -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-sk-helper.8
-+ -rm -f $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-ldap-helper.8
-
- regress-prep:
- $(MKDIR_P) `pwd`/regress/unittests/test_helper
-diff -up openssh-6.2p1/openssh-lpk-openldap.schema.ldap openssh-6.2p1/openssh-lpk-openldap.schema
---- openssh-6.2p1/openssh-lpk-openldap.schema.ldap 2013-03-25 21:27:15.894248110 +0100
-+++ openssh-6.2p1/openssh-lpk-openldap.schema 2013-03-25 21:27:15.894248110 +0100
+diff -urNp -x '*.orig' openssh-8.4p1.org/openssh-lpk-openldap.schema openssh-8.4p1/openssh-lpk-openldap.schema
+--- openssh-8.4p1.org/openssh-lpk-openldap.schema 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/openssh-lpk-openldap.schema 2021-03-01 11:29:31.280956671 +0100
@@ -0,0 +1,21 @@
+#
+# LDAP Public Key Patch schema for use with openssh-ldappubkey
+ DESC 'MANDATORY: OpenSSH LPK objectclass'
+ MUST ( sshPublicKey $ uid )
+ )
-diff -up openssh-6.2p1/openssh-lpk-sun.schema.ldap openssh-6.2p1/openssh-lpk-sun.schema
---- openssh-6.2p1/openssh-lpk-sun.schema.ldap 2013-03-25 21:27:15.894248110 +0100
-+++ openssh-6.2p1/openssh-lpk-sun.schema 2013-03-25 21:27:15.894248110 +0100
+diff -urNp -x '*.orig' openssh-8.4p1.org/openssh-lpk-sun.schema openssh-8.4p1/openssh-lpk-sun.schema
+--- openssh-8.4p1.org/openssh-lpk-sun.schema 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/openssh-lpk-sun.schema 2021-03-01 11:29:31.284290176 +0100
@@ -0,0 +1,23 @@
+#
+# LDAP Public Key Patch schema for use with openssh-ldappubkey
+ DESC 'MANDATORY: OpenSSH LPK objectclass'
+ MUST ( sshPublicKey $ uid )
+ )
-diff -up openssh-6.2p2/ssh-ldap.conf.5.ldap openssh-6.2p2/ssh-ldap.conf.5
---- openssh-6.2p2/ssh-ldap.conf.5.ldap 2013-06-07 15:10:05.604942680 +0200
-+++ openssh-6.2p2/ssh-ldap.conf.5 2013-06-07 15:10:24.928857566 +0200
+diff -urNp -x '*.orig' openssh-8.4p1.org/ssh-ldap-helper.8 openssh-8.4p1/ssh-ldap-helper.8
+--- openssh-8.4p1.org/ssh-ldap-helper.8 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ssh-ldap-helper.8 2021-03-01 11:29:31.284290176 +0100
+@@ -0,0 +1,79 @@
++.\" $OpenBSD: ssh-ldap-helper.8,v 1.1 2010/02/10 23:20:38 markus Exp $
++.\"
++.\" Copyright (c) 2010 Jan F. Chadima. All rights reserved.
++.\"
++.\" Permission to use, copy, modify, and distribute this software for any
++.\" purpose with or without fee is hereby granted, provided that the above
++.\" copyright notice and this permission notice appear in all copies.
++.\"
++.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
++.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
++.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
++.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
++.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
++.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
++.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
++.\"
++.Dd $Mdocdate: April 29 2010 $
++.Dt SSH-LDAP-HELPER 8
++.Os
++.Sh NAME
++.Nm ssh-ldap-helper
++.Nd sshd helper program for ldap support
++.Sh SYNOPSIS
++.Nm ssh-ldap-helper
++.Op Fl devw
++.Op Fl f Ar file
++.Op Fl s Ar user
++.Sh DESCRIPTION
++.Nm
++is used by
++.Xr sshd 1
++to access keys provided by an LDAP.
++.Nm
++is disabled by default and can only be enabled in the
++sshd configuration file
++.Pa /etc/ssh/sshd_config
++by setting
++.Cm AuthorizedKeysCommand
++to
++.Dq /usr/libexec/ssh-ldap-wrapper .
++.Pp
++.Nm
++is not intended to be invoked by the user, but from
++.Xr sshd 8 via
++.Xr ssh-ldap-wrapper .
++.Pp
++The options are as follows:
++.Bl -tag -width Ds
++.It Fl d
++Set the debug mode;
++.Nm
++prints all logs to stderr instead of syslog.
++.It Fl e
++Implies \-w;
++.Nm
++halts if it encounters an unknown item in the ldap.conf file.
++.It Fl f
++.Nm
++uses this file as the ldap configuration file instead of /etc/ssh/ldap.conf (default).
++.It Fl s
++.Nm
++prints out the user's keys to stdout and exits.
++.It Fl v
++Implies \-d;
++increases verbosity.
++.It Fl w
++.Nm
++writes warnings about unknown items in the ldap.conf configuration file.
++.El
++.Sh SEE ALSO
++.Xr sshd 8 ,
++.Xr sshd_config 5 ,
++.Xr ssh-ldap.conf 5 ,
++.Sh HISTORY
++.Nm
++first appeared in
++OpenSSH 5.5 + PKA-LDAP .
++.Sh AUTHORS
++.An Jan F. Chadima Aq jchadima@redhat.com
+diff -urNp -x '*.orig' openssh-8.4p1.org/ssh-ldap-wrapper openssh-8.4p1/ssh-ldap-wrapper
+--- openssh-8.4p1.org/ssh-ldap-wrapper 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ssh-ldap-wrapper 2021-03-01 11:29:31.284290176 +0100
+@@ -0,0 +1,4 @@
++#!/bin/sh
++
++exec /usr/libexec/openssh/ssh-ldap-helper -s "$1"
++
+diff -urNp -x '*.orig' openssh-8.4p1.org/ssh-ldap.conf.5 openssh-8.4p1/ssh-ldap.conf.5
+--- openssh-8.4p1.org/ssh-ldap.conf.5 1970-01-01 01:00:00.000000000 +0100
++++ openssh-8.4p1/ssh-ldap.conf.5 2021-03-01 11:29:31.284290176 +0100
@@ -0,0 +1,379 @@
+.\" $OpenBSD: ssh-ldap.conf.5,v 1.1 2010/02/10 23:20:38 markus Exp $
+.\"
+OpenSSH 5.5 + PKA-LDAP .
+.Sh AUTHORS
+.An Jan F. Chadima Aq jchadima@redhat.com
-diff -up openssh-6.2p1/ssh-ldap-helper.8.ldap openssh-6.2p1/ssh-ldap-helper.8
---- openssh-6.2p1/ssh-ldap-helper.8.ldap 2013-03-25 21:27:15.895248117 +0100
-+++ openssh-6.2p1/ssh-ldap-helper.8 2013-03-25 21:27:15.895248117 +0100
-@@ -0,0 +1,79 @@
-+.\" $OpenBSD: ssh-ldap-helper.8,v 1.1 2010/02/10 23:20:38 markus Exp $
-+.\"
-+.\" Copyright (c) 2010 Jan F. Chadima. All rights reserved.
-+.\"
-+.\" Permission to use, copy, modify, and distribute this software for any
-+.\" purpose with or without fee is hereby granted, provided that the above
-+.\" copyright notice and this permission notice appear in all copies.
-+.\"
-+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-+.\"
-+.Dd $Mdocdate: April 29 2010 $
-+.Dt SSH-LDAP-HELPER 8
-+.Os
-+.Sh NAME
-+.Nm ssh-ldap-helper
-+.Nd sshd helper program for ldap support
-+.Sh SYNOPSIS
-+.Nm ssh-ldap-helper
-+.Op Fl devw
-+.Op Fl f Ar file
-+.Op Fl s Ar user
-+.Sh DESCRIPTION
-+.Nm
-+is used by
-+.Xr sshd 1
-+to access keys provided by an LDAP.
-+.Nm
-+is disabled by default and can only be enabled in the
-+sshd configuration file
-+.Pa /etc/ssh/sshd_config
-+by setting
-+.Cm AuthorizedKeysCommand
-+to
-+.Dq /usr/libexec/ssh-ldap-wrapper .
-+.Pp
-+.Nm
-+is not intended to be invoked by the user, but from
-+.Xr sshd 8 via
-+.Xr ssh-ldap-wrapper .
-+.Pp
-+The options are as follows:
-+.Bl -tag -width Ds
-+.It Fl d
-+Set the debug mode;
-+.Nm
-+prints all logs to stderr instead of syslog.
-+.It Fl e
-+Implies \-w;
-+.Nm
-+halts if it encounters an unknown item in the ldap.conf file.
-+.It Fl f
-+.Nm
-+uses this file as the ldap configuration file instead of /etc/ssh/ldap.conf (default).
-+.It Fl s
-+.Nm
-+prints out the user's keys to stdout and exits.
-+.It Fl v
-+Implies \-d;
-+increases verbosity.
-+.It Fl w
-+.Nm
-+writes warnings about unknown items in the ldap.conf configuration file.
-+.El
-+.Sh SEE ALSO
-+.Xr sshd 8 ,
-+.Xr sshd_config 5 ,
-+.Xr ssh-ldap.conf 5 ,
-+.Sh HISTORY
-+.Nm
-+first appeared in
-+OpenSSH 5.5 + PKA-LDAP .
-+.Sh AUTHORS
-+.An Jan F. Chadima Aq jchadima@redhat.com
-diff -up openssh-6.2p1/ssh-ldap-wrapper.ldap openssh-6.2p1/ssh-ldap-wrapper
---- openssh-6.2p1/ssh-ldap-wrapper.ldap 2013-03-25 21:27:15.896248124 +0100
-+++ openssh-6.2p1/ssh-ldap-wrapper 2013-03-25 21:27:15.896248124 +0100
-@@ -0,0 +1,4 @@
-+#!/bin/sh
-+
-+exec /usr/libexec/openssh/ssh-ldap-helper -s "$1"
-+
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