src/libexec/login_ldap/search.c

90 lines
3.0 KiB
C

/*
* $OpenBSD: search.c,v 1.1 2020/09/12 15:06:12 martijn Exp $
* Copyright (c) 2002 Institute for Open Systems Technology Australia (IFOST)
* Copyright (c) 2007 Michael Erdely <merdely@openbsd.org>
* Copyright (c) 2019 Martijn van Duren <martijn@openbsd.org>
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``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 <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <login_cap.h>
#include <unistd.h>
#include "aldap.h"
#include "login_ldap.h"
int q = 0;
char *
search(struct auth_ctx *ctx, char *base, char *flt, enum scope scp)
{
struct aldap_message *m;
int mcode;
const char *errstr;
char *userdn = NULL;
dlog(1, "%d: search (%s, %s)", q, base ? base : "no base", flt);
if (aldap_search(ctx->ld, base, scp, flt, NULL, 0, 0, ctx->timeout,
NULL) == -1) {
aldap_get_errno(ctx->ld, &errstr);
dlog(1, "search result: %s", errstr);
return NULL;
}
q++;
while ((m = aldap_parse(ctx->ld)) != NULL) {
dlog(1, "%d: msgid %d, type %02x",q, m->msgid, m->message_type);
if (m->message_type == LDAP_RES_SEARCH_RESULT) {
mcode = aldap_get_resultcode(m);
/*
* if its not a referral we're done with this message
*/
if (mcode != LDAP_SUCCESS) {
dlog(0, "%d: unhandled search result %x %s",
q, mcode, ldap_resultcode(mcode));
aldap_freemsg(m);
return NULL;
}
aldap_freemsg(m);
break;
} else if (m->message_type == LDAP_RES_SEARCH_ENTRY) {
userdn = aldap_get_dn(m);
dlog(1, "%d: SEARCH_ENTRY userdn %s", q, userdn ? userdn : "none");
}
aldap_freemsg(m);
}
dlog(1, "%d: returning userdn = %s", q, userdn ? userdn : "no user dn");
q--;
return userdn;
}