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![Werner Koch](/assets/img/avatar_default.png)
* dirmngr/dirmngr_ldap.c (main): Handle no args case.
--
This is required for example for CRLs. The old code did not require
this because the hos was taken from the URL given has arg.
Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit f6e45671aa
)
839 lines
22 KiB
C
839 lines
22 KiB
C
/* dirmngr-ldap.c - The LDAP helper for dirmngr.
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* Copyright (C) 2004, 2021 g10 Code GmbH
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <string.h>
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#ifdef HAVE_SIGNAL_H
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# include <signal.h>
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#endif
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#include <errno.h>
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#include <sys/time.h>
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#include <unistd.h>
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#ifdef HAVE_W32_SYSTEM
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# include <winsock2.h>
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# include <winldap.h>
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# include <winber.h>
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# include <fcntl.h>
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# include "ldap-url.h"
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#else
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/* For OpenLDAP, to enable the API that we're using. */
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# define LDAP_DEPRECATED 1
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# include <ldap.h>
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#endif
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#include <gpg-error.h>
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#include "../common/logging.h"
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#include "../common/stringhelp.h"
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#include "../common/mischelp.h"
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#include "../common/strlist.h"
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#include "../common/util.h"
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#include "../common/init.h"
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#include "ldap-misc.h"
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/* There is no need for the npth_unprotect and leave functions here;
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* thus we redefine them to nops. We keep them in the code just for
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* the case we ever want to reuse parts of the code in npth programs. */
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static void npth_unprotect (void) { }
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static void npth_protect (void) { }
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#ifdef HAVE_W32_SYSTEM
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typedef LDAP_TIMEVAL my_ldap_timeval_t;
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#else
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typedef struct timeval my_ldap_timeval_t;
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#endif
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#define DEFAULT_LDAP_TIMEOUT 15 /* Arbitrary long timeout. */
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/* Constants for the options. */
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enum
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{
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oQuiet = 'q',
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oVerbose = 'v',
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oTimeout = 500,
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oMulti,
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oProxy,
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oHost,
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oPort,
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oUser,
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oPass,
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oEnvPass,
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oBase,
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oAttr,
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oStartTLS,
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oLdapTLS,
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oNtds,
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oOnlySearchTimeout,
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oLogWithPID
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};
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/* The list of options as used by the argparse.c code. */
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static gpgrt_opt_t opts[] = {
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{ oVerbose, "verbose", 0, "verbose" },
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{ oQuiet, "quiet", 0, "be somewhat more quiet" },
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{ oTimeout, "timeout", 1, "|N|set LDAP timeout to N seconds"},
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{ oMulti, "multi", 0, "return all values in"
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" a record oriented format"},
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{ oProxy, "proxy", 2,
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"|NAME|ignore host part and connect through NAME"},
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{ oStartTLS, "starttls", 0, "use STARTLS for the conenction"},
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{ oLdapTLS, "ldaptls", 0, "use a TLS for the connection"},
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{ oNtds, "ntds", 0, "authenticate using AD"},
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{ oHost, "host", 2, "|NAME|connect to host NAME"},
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{ oPort, "port", 1, "|N|connect to port N"},
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{ oUser, "user", 2, "|NAME|use NAME for authentication"},
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{ oPass, "pass", 2, "|PASS|use password PASS"
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" for authentication"},
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{ oEnvPass, "env-pass", 0, "take password from $DIRMNGR_LDAP_PASS"},
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{ oBase, "base", 2, "|DN|Start query at DN"},
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{ oAttr, "attr", 2, "|STRING|return the attribute STRING"},
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{ oOnlySearchTimeout, "only-search-timeout", 0, "@"},
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{ oLogWithPID,"log-with-pid", 0, "@"},
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ARGPARSE_end ()
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};
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/* A structure with module options. */
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static struct
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{
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int quiet;
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int verbose;
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my_ldap_timeval_t timeout;/* Timeout for the LDAP search functions. */
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unsigned int alarm_timeout; /* And for the alarm based timeout. */
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int multi;
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int starttls;
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int ldaptls;
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int ntds;
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estream_t outstream; /* Send output to this stream. */
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/* Note that we can't use const for the strings because ldap_* are
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not defined that way. */
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char *proxy; /* Host and Port override. */
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char *user; /* Authentication user. */
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char *pass; /* Authentication password. */
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char *host; /* Override host. */
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int port; /* Override port. */
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char *base; /* Override DN. */
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char *attr; /* Override attribute. */
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} opt;
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/* Prototypes. */
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#ifndef HAVE_W32_SYSTEM
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static void catch_alarm (int dummy);
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#endif
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static gpg_error_t connect_ldap (LDAP **r_ld);
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static gpg_error_t process_filter (LDAP *ld, const char *string);
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/* Function called by argparse.c to display information. */
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static const char *
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my_strusage (int level)
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{
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const char *p;
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switch (level)
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{
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case 9: p = "GPL-3.0-or-later"; break;
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case 11: p = "dirmngr_ldap (@GNUPG@)";
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break;
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case 13: p = VERSION; break;
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case 14: p = GNUPG_DEF_COPYRIGHT_LINE; break;
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case 17: p = PRINTABLE_OS_NAME; break;
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case 19: p = "Please report bugs to <@EMAIL@>.\n"; break;
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case 49: p = PACKAGE_BUGREPORT; break;
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case 1:
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case 40: p =
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"Usage: dirmngr_ldap [options] filters (-h for help)\n";
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break;
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case 41: p =
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("Syntax: dirmngr_ldap [options] filters\n"
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"Internal LDAP helper for Dirmngr\n"
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"Interface and options may change without notice\n");
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break;
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default: p = NULL;
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}
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return p;
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}
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int
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main (int argc, char **argv)
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{
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gpgrt_argparse_t pargs;
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int any_err = 0;
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char *p;
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int only_search_timeout = 0;
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char *malloced_buffer1 = NULL;
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LDAP *ld;
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early_system_init ();
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gpgrt_set_strusage (my_strusage);
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log_set_prefix ("dirmngr_ldap", GPGRT_LOG_WITH_PREFIX);
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init_common_subsystems (&argc, &argv);
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es_set_binary (es_stdout);
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opt.outstream = es_stdout;
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/* LDAP defaults */
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opt.timeout.tv_sec = DEFAULT_LDAP_TIMEOUT;
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opt.timeout.tv_usec = 0;
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opt.alarm_timeout = 0;
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/* Parse the command line. */
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pargs.argc = &argc;
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pargs.argv = &argv;
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pargs.flags= ARGPARSE_FLAG_KEEP;
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while (gpgrt_argparse (NULL, &pargs, opts))
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{
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switch (pargs.r_opt)
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{
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case oVerbose: opt.verbose++; break;
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case oQuiet: opt.quiet++; break;
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case oTimeout:
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opt.timeout.tv_sec = pargs.r.ret_int;
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opt.timeout.tv_usec = 0;
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opt.alarm_timeout = pargs.r.ret_int;
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break;
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case oOnlySearchTimeout: only_search_timeout = 1; break;
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case oStartTLS: opt.starttls = 1; opt.ldaptls = 0; break;
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case oLdapTLS: opt.starttls = 0; opt.ldaptls = 1; break;
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case oNtds: opt.ntds = 1; break;
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case oMulti: opt.multi = 1; break;
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case oUser: opt.user = pargs.r.ret_str; break;
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case oPass: opt.pass = pargs.r.ret_str; break;
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case oEnvPass:
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opt.pass = getenv ("DIRMNGR_LDAP_PASS");
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break;
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case oProxy: opt.proxy = pargs.r.ret_str; break;
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case oHost: opt.host = pargs.r.ret_str; break;
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case oPort: opt.port = pargs.r.ret_int; break;
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case oBase: opt.base = pargs.r.ret_str; break;
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case oAttr: opt.attr = pargs.r.ret_str; break;
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case oLogWithPID:
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{
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unsigned int oldflags;
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log_get_prefix (&oldflags);
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log_set_prefix (NULL, oldflags | GPGRT_LOG_WITH_PID);
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}
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break;
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default :
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pargs.err = ARGPARSE_PRINT_ERROR;
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break;
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}
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}
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gpgrt_argparse (NULL, &pargs, NULL);
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if (only_search_timeout)
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opt.alarm_timeout = 0;
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if (opt.proxy)
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{
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malloced_buffer1 = xtrystrdup (opt.proxy);
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if (!malloced_buffer1)
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{
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log_error ("error copying string: %s\n", strerror (errno));
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return 1;
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}
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opt.host = malloced_buffer1;
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p = strchr (opt.host, ':');
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if (p)
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{
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*p++ = 0;
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opt.port = atoi (p);
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}
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if (!opt.port)
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opt.port = 389; /* make sure ports gets overridden. */
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}
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if (opt.port < 0 || opt.port > 65535)
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log_error ("invalid port number %d\n", opt.port);
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if (!opt.port)
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opt.port = opt.ldaptls? 636 : 389;
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#ifndef HAVE_W32_SYSTEM
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if (!opt.host)
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opt.host = "localhost";
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#endif
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if (log_get_errorcount (0))
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exit (2);
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if (opt.alarm_timeout)
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{
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#ifndef HAVE_W32_SYSTEM
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# if defined(HAVE_SIGACTION) && defined(HAVE_STRUCT_SIGACTION)
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struct sigaction act;
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act.sa_handler = catch_alarm;
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sigemptyset (&act.sa_mask);
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act.sa_flags = 0;
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if (sigaction (SIGALRM,&act,NULL))
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# else
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if (signal (SIGALRM, catch_alarm) == SIG_ERR)
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# endif
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log_fatal ("unable to register timeout handler\n");
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#endif
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}
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if (connect_ldap (&ld))
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any_err = 1;
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else
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{
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if (!argc)
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{
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if (process_filter (ld, "(objectClass=*)"))
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any_err = 1;
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}
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else
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{
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for (; argc; argc--, argv++)
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if (process_filter (ld, *argv))
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any_err = 1;
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}
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ldap_unbind (ld);
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}
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xfree (malloced_buffer1);
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return any_err;
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}
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#ifndef HAVE_W32_SYSTEM
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static void
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catch_alarm (int dummy)
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{
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(void)dummy;
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_exit (10);
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}
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#endif
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#ifdef HAVE_W32_SYSTEM
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static DWORD CALLBACK
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alarm_thread (void *arg)
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{
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HANDLE timer = arg;
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WaitForSingleObject (timer, INFINITE);
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_exit (10);
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return 0;
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}
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#endif
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static void
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set_timeout (void)
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{
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if (opt.alarm_timeout)
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{
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#ifdef HAVE_W32_SYSTEM
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static HANDLE timer;
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LARGE_INTEGER due_time;
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/* A negative value is a relative time. */
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due_time.QuadPart = (unsigned long long)-10000000 * opt.alarm_timeout;
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if (!timer)
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{
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SECURITY_ATTRIBUTES sec_attr;
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DWORD tid;
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memset (&sec_attr, 0, sizeof sec_attr);
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sec_attr.nLength = sizeof sec_attr;
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sec_attr.bInheritHandle = FALSE;
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/* Create a manual resettable timer. */
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timer = CreateWaitableTimer (NULL, TRUE, NULL);
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/* Initially set the timer. */
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SetWaitableTimer (timer, &due_time, 0, NULL, NULL, 0);
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if (CreateThread (&sec_attr, 0, alarm_thread, timer, 0, &tid))
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log_error ("failed to create alarm thread\n");
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}
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else /* Retrigger the timer. */
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SetWaitableTimer (timer, &due_time, 0, NULL, NULL, 0);
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#else
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alarm (opt.alarm_timeout);
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#endif
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}
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}
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/* Connect to the ldap server. On success the connection handle is
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* stored at R_LD. */
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static gpg_error_t
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connect_ldap (LDAP **r_ld)
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{
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gpg_error_t err = 0;
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int lerr;
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LDAP *ld = NULL;
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#ifndef HAVE_W32_SYSTEM
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char *tmpstr;
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#endif
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*r_ld = NULL;
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if (opt.starttls || opt.ldaptls)
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{
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#ifndef HAVE_LDAP_START_TLS_S
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log_error ("ldap: can't connect to the server: no TLS support.");
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err = GPG_ERR_LDAP_NOT_SUPPORTED;
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goto leave;
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#endif
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}
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set_timeout ();
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#ifdef HAVE_W32_SYSTEM
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npth_unprotect ();
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ld = ldap_sslinit (opt.host, opt.port, opt.ldaptls);
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npth_protect ();
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if (!ld)
|
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{
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lerr = LdapGetLastError ();
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err = ldap_err_to_gpg_err (lerr);
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log_error ("error initializing LDAP '%s:%d': %s\n",
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opt.host, opt.port, ldap_err2string (lerr));
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goto leave;
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}
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#else /* Unix */
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tmpstr = xtryasprintf ("%s://%s:%d",
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opt.ldaptls? "ldaps" : "ldap",
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opt.host, opt.port);
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if (!tmpstr)
|
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{
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err = gpg_error_from_syserror ();
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goto leave;
|
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}
|
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npth_unprotect ();
|
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lerr = ldap_initialize (&ld, tmpstr);
|
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npth_protect ();
|
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if (lerr || !ld)
|
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{
|
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err = ldap_err_to_gpg_err (lerr);
|
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log_error ("error initializing LDAP '%s': %s\n",
|
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tmpstr, ldap_err2string (lerr));
|
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xfree (tmpstr);
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goto leave;
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}
|
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xfree (tmpstr);
|
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#endif /* Unix */
|
|
|
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if (opt.verbose)
|
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log_info ("LDAP connected to '%s:%d'%s\n",
|
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opt.host, opt.port,
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opt.starttls? " using STARTTLS" :
|
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opt.ldaptls? " using LDAP-over-TLS" : "");
|
|
|
|
|
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#ifdef HAVE_LDAP_SET_OPTION
|
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{
|
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int ver = LDAP_VERSION3;
|
|
|
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lerr = ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &ver);
|
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if (lerr != LDAP_SUCCESS)
|
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{
|
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log_error ("unable to go to LDAP 3: %s\n", ldap_err2string (lerr));
|
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err = ldap_err_to_gpg_err (lerr);
|
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goto leave;
|
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}
|
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}
|
|
#endif
|
|
|
|
|
|
#ifdef HAVE_LDAP_START_TLS_S
|
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if (opt.starttls)
|
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{
|
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#ifndef HAVE_W32_SYSTEM
|
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int check_cert = LDAP_OPT_X_TLS_HARD; /* LDAP_OPT_X_TLS_NEVER */
|
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|
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lerr = ldap_set_option (ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &check_cert);
|
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if (lerr)
|
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{
|
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log_error ("ldap: error setting an TLS option: %s\n",
|
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ldap_err2string (lerr));
|
|
err = ldap_err_to_gpg_err (lerr);
|
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goto leave;
|
|
}
|
|
#else
|
|
/* On Windows, the certificates are checked by default. If the
|
|
option to disable checking mentioned above is ever
|
|
implemented, the way to do that on Windows is to install a
|
|
callback routine using ldap_set_option (..,
|
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LDAP_OPT_SERVER_CERTIFICATE, ..); */
|
|
#endif
|
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|
|
npth_unprotect ();
|
|
lerr = ldap_start_tls_s (ld,
|
|
#ifdef HAVE_W32_SYSTEM
|
|
/* ServerReturnValue, result */
|
|
NULL, NULL,
|
|
#endif
|
|
/* ServerControls, ClientControls */
|
|
NULL, NULL);
|
|
npth_protect ();
|
|
if (lerr)
|
|
{
|
|
log_error ("ldap: error switching to STARTTLS mode: %s\n",
|
|
ldap_err2string (lerr));
|
|
err = ldap_err_to_gpg_err (lerr);
|
|
goto leave;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (opt.ntds)
|
|
{
|
|
if (opt.verbose)
|
|
log_info ("binding to current user via AD\n");
|
|
#ifdef HAVE_W32_SYSTEM
|
|
npth_unprotect ();
|
|
lerr = ldap_bind_s (ld, NULL, NULL, LDAP_AUTH_NEGOTIATE);
|
|
npth_protect ();
|
|
if (lerr != LDAP_SUCCESS)
|
|
{
|
|
log_error ("error binding to LDAP via AD: %s\n",
|
|
ldap_err2string (lerr));
|
|
err = ldap_err_to_gpg_err (lerr);
|
|
goto leave;
|
|
}
|
|
#else /* Unix */
|
|
err = gpg_error (GPG_ERR_NOT_SUPPORTED);
|
|
goto leave;
|
|
#endif /* Unix */
|
|
}
|
|
else if (opt.user)
|
|
{
|
|
if (opt.verbose)
|
|
log_info ("LDAP bind to '%s', password '%s'\n",
|
|
opt.user, opt.pass ? ">not_shown<" : ">none<");
|
|
|
|
npth_unprotect ();
|
|
lerr = ldap_simple_bind_s (ld, opt.user, opt.pass);
|
|
npth_protect ();
|
|
if (lerr != LDAP_SUCCESS)
|
|
{
|
|
log_error ("error binding to LDAP: %s\n", ldap_err2string (lerr));
|
|
err = ldap_err_to_gpg_err (lerr);
|
|
goto leave;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* By default we don't bind as there is usually no need to. */
|
|
}
|
|
|
|
leave:
|
|
if (err)
|
|
{
|
|
if (ld)
|
|
ldap_unbind (ld);
|
|
}
|
|
else
|
|
*r_ld = ld;
|
|
return err;
|
|
}
|
|
|
|
|
|
/* Helper for fetch_ldap(). */
|
|
static int
|
|
print_ldap_entries (LDAP *ld, LDAPMessage *msg, char *want_attr)
|
|
{
|
|
LDAPMessage *item;
|
|
int any = 0;
|
|
|
|
for (npth_unprotect (), item = ldap_first_entry (ld, msg), npth_protect ();
|
|
item;
|
|
npth_unprotect (), item = ldap_next_entry (ld, item), npth_protect ())
|
|
{
|
|
BerElement *berctx;
|
|
char *attr;
|
|
|
|
if (opt.verbose > 1)
|
|
log_info ("scanning result for attribute '%s'\n",
|
|
want_attr? want_attr : "[all]");
|
|
|
|
if (opt.multi)
|
|
{ /* Write item marker. */
|
|
if (es_fwrite ("I\0\0\0\0", 5, 1, opt.outstream) != 1)
|
|
{
|
|
log_error ("error writing to stdout: %s\n",
|
|
strerror (errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
|
|
for (npth_unprotect (), attr = ldap_first_attribute (ld, item, &berctx),
|
|
npth_protect ();
|
|
attr;
|
|
npth_unprotect (), attr = ldap_next_attribute (ld, item, berctx),
|
|
npth_protect ())
|
|
{
|
|
struct berval **values;
|
|
int idx;
|
|
|
|
if (opt.verbose > 1)
|
|
log_info (" available attribute '%s'\n", attr);
|
|
|
|
set_timeout ();
|
|
|
|
/* I case we want only one attribute we do a case
|
|
insensitive compare without the optional extension
|
|
(i.e. ";binary"). Case insensitive is not really correct
|
|
but the best we can do. */
|
|
if (want_attr)
|
|
{
|
|
char *cp1, *cp2;
|
|
int cmpres;
|
|
|
|
cp1 = strchr (want_attr, ';');
|
|
if (cp1)
|
|
*cp1 = 0;
|
|
cp2 = strchr (attr, ';');
|
|
if (cp2)
|
|
*cp2 = 0;
|
|
cmpres = ascii_strcasecmp (want_attr, attr);
|
|
if (cp1)
|
|
*cp1 = ';';
|
|
if (cp2)
|
|
*cp2 = ';';
|
|
if (cmpres)
|
|
{
|
|
ldap_memfree (attr);
|
|
continue; /* Not found: Try next attribute. */
|
|
}
|
|
}
|
|
|
|
npth_unprotect ();
|
|
values = ldap_get_values_len (ld, item, attr);
|
|
npth_protect ();
|
|
|
|
if (!values)
|
|
{
|
|
if (opt.verbose)
|
|
log_info ("attribute '%s' not found\n", attr);
|
|
ldap_memfree (attr);
|
|
continue;
|
|
}
|
|
|
|
if (opt.verbose)
|
|
{
|
|
log_info ("found attribute '%s'\n", attr);
|
|
if (opt.verbose > 1)
|
|
for (idx=0; values[idx]; idx++)
|
|
log_info (" length[%d]=%d\n",
|
|
idx, (int)values[0]->bv_len);
|
|
|
|
}
|
|
|
|
if (opt.multi)
|
|
{ /* Write attribute marker. */
|
|
unsigned char tmp[5];
|
|
size_t n = strlen (attr);
|
|
|
|
tmp[0] = 'A';
|
|
tmp[1] = (n >> 24);
|
|
tmp[2] = (n >> 16);
|
|
tmp[3] = (n >> 8);
|
|
tmp[4] = (n);
|
|
if (es_fwrite (tmp, 5, 1, opt.outstream) != 1
|
|
|| es_fwrite (attr, n, 1, opt.outstream) != 1)
|
|
{
|
|
log_error ("error writing to stdout: %s\n",
|
|
strerror (errno));
|
|
ldap_value_free_len (values);
|
|
ldap_memfree (attr);
|
|
ber_free (berctx, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
for (idx=0; values[idx]; idx++)
|
|
{
|
|
if (opt.multi)
|
|
{ /* Write value marker. */
|
|
unsigned char tmp[5];
|
|
size_t n = values[0]->bv_len;
|
|
|
|
tmp[0] = 'V';
|
|
tmp[1] = (n >> 24);
|
|
tmp[2] = (n >> 16);
|
|
tmp[3] = (n >> 8);
|
|
tmp[4] = (n);
|
|
|
|
if (es_fwrite (tmp, 5, 1, opt.outstream) != 1)
|
|
{
|
|
log_error ("error writing to stdout: %s\n",
|
|
strerror (errno));
|
|
ldap_value_free_len (values);
|
|
ldap_memfree (attr);
|
|
ber_free (berctx, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (es_fwrite (values[0]->bv_val, values[0]->bv_len,
|
|
1, opt.outstream) != 1)
|
|
{
|
|
log_error ("error writing to stdout: %s\n",
|
|
strerror (errno));
|
|
ldap_value_free_len (values);
|
|
ldap_memfree (attr);
|
|
ber_free (berctx, 0);
|
|
return -1;
|
|
}
|
|
|
|
any = 1;
|
|
if (!opt.multi)
|
|
break; /* Print only the first value. */
|
|
}
|
|
ldap_value_free_len (values);
|
|
ldap_memfree (attr);
|
|
if (want_attr || !opt.multi)
|
|
break; /* We only want to return the first attribute. */
|
|
}
|
|
ber_free (berctx, 0);
|
|
}
|
|
|
|
if (opt.verbose > 1 && any)
|
|
log_info ("result has been printed\n");
|
|
|
|
return any?0:-1;
|
|
}
|
|
|
|
|
|
|
|
/* Fetch data from the server at LD using FILTER. */
|
|
static int
|
|
fetch_ldap (LDAP *ld, const char *base, int scope, const char *filter)
|
|
{
|
|
gpg_error_t err;
|
|
int lerr;
|
|
LDAPMessage *msg;
|
|
char *attrs[2];
|
|
|
|
if (filter && !*filter)
|
|
filter = NULL;
|
|
|
|
if (opt.verbose)
|
|
{
|
|
log_info ("fetching using");
|
|
if (base)
|
|
log_printf (" base '%s'", base);
|
|
if (filter)
|
|
log_printf (" filter '%s'", filter);
|
|
log_printf ("\n");
|
|
}
|
|
|
|
attrs[0] = opt.attr;
|
|
attrs[1] = NULL;
|
|
|
|
set_timeout ();
|
|
npth_unprotect ();
|
|
lerr = ldap_search_st (ld, base, scope, filter,
|
|
attrs,
|
|
0,
|
|
&opt.timeout, &msg);
|
|
npth_protect ();
|
|
if (lerr == LDAP_SIZELIMIT_EXCEEDED && opt.multi)
|
|
{
|
|
if (es_fwrite ("E\0\0\0\x09truncated", 14, 1, opt.outstream) != 1)
|
|
{
|
|
log_error ("error writing to stdout: %s\n", strerror (errno));
|
|
return -1;
|
|
}
|
|
}
|
|
else if (lerr)
|
|
{
|
|
log_error ("searching '%s' failed: %s\n",
|
|
filter, ldap_err2string (lerr));
|
|
if (lerr != LDAP_NO_SUCH_OBJECT)
|
|
{
|
|
/* FIXME: Need deinit (ld)? */
|
|
/* Hmmm: Do we need to released MSG in case of an error? */
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
err = print_ldap_entries (ld, msg, opt.multi? NULL:opt.attr);
|
|
|
|
ldap_msgfree (msg);
|
|
return err;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Main processing. Take the filter and run the LDAP query. The
|
|
* result is printed to stdout, errors are logged to the log stream.
|
|
* To allow searching with a different base it is possible to extend
|
|
* the filer. For example:
|
|
*
|
|
* ^CN=foo, OU=My Users&(objectClasses=*)
|
|
*
|
|
* Uses "CN=foo, OU=My Users" as base DN and "(objectClasses=*)" as
|
|
* filter. If the base prefix includes an ampersand, it needs to be
|
|
* doubled. The usual escaping rules for DNs (for the base) and
|
|
* filters apply. If no scope is given (see ldap_parse_extfilter for
|
|
* the syntax) subtree scope is used.
|
|
*/
|
|
static gpg_error_t
|
|
process_filter (LDAP *ld, const char *string)
|
|
{
|
|
gpg_error_t err;
|
|
char *base, *filter;
|
|
int scope = -1;
|
|
|
|
err = ldap_parse_extfilter (string, 0, &base, &scope, &filter);
|
|
if (!err)
|
|
err = fetch_ldap (ld,
|
|
base? base : opt.base,
|
|
scope == -1? LDAP_SCOPE_SUBTREE : scope,
|
|
filter);
|
|
|
|
xfree (base);
|
|
xfree (filter);
|
|
return err;
|
|
}
|