1/* 2 * $OpenBSD: search.c,v 1.1 2020/09/12 15:06:12 martijn Exp $ 3 * Copyright (c) 2002 Institute for Open Systems Technology Australia (IFOST) 4 * Copyright (c) 2007 Michael Erdely <merdely@openbsd.org> 5 * Copyright (c) 2019 Martijn van Duren <martijn@openbsd.org> 6 * 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 21 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31#include <netinet/in.h> 32 33#include <stdio.h> 34#include <stdlib.h> 35#include <string.h> 36#include <login_cap.h> 37#include <unistd.h> 38 39#include "aldap.h" 40#include "login_ldap.h" 41 42int q = 0; 43 44char * 45search(struct auth_ctx *ctx, char *base, char *flt, enum scope scp) 46{ 47 struct aldap_message *m; 48 int mcode; 49 const char *errstr; 50 char *userdn = NULL; 51 52 dlog(1, "%d: search (%s, %s)", q, base ? base : "no base", flt); 53 54 if (aldap_search(ctx->ld, base, scp, flt, NULL, 0, 0, ctx->timeout, 55 NULL) == -1) { 56 aldap_get_errno(ctx->ld, &errstr); 57 dlog(1, "search result: %s", errstr); 58 return NULL; 59 } 60 61 q++; 62 63 while ((m = aldap_parse(ctx->ld)) != NULL) { 64 dlog(1, "%d: msgid %d, type %02x",q, m->msgid, m->message_type); 65 66 if (m->message_type == LDAP_RES_SEARCH_RESULT) { 67 mcode = aldap_get_resultcode(m); 68 /* 69 * if its not a referral we're done with this message 70 */ 71 if (mcode != LDAP_SUCCESS) { 72 dlog(0, "%d: unhandled search result %x %s", 73 q, mcode, ldap_resultcode(mcode)); 74 aldap_freemsg(m); 75 return NULL; 76 } 77 aldap_freemsg(m); 78 break; 79 } else if (m->message_type == LDAP_RES_SEARCH_ENTRY) { 80 userdn = aldap_get_dn(m); 81 dlog(1, "%d: SEARCH_ENTRY userdn %s", q, userdn ? userdn : "none"); 82 } 83 aldap_freemsg(m); 84 } 85 86 dlog(1, "%d: returning userdn = %s", q, userdn ? userdn : "no user dn"); 87 q--; 88 return userdn; 89} 90