external/bsd/openldap/dist/libraries/libldap/bind.c

   1 /* bind.c */
   2 /* $OpenLDAP: pkg/ldap/libraries/libldap/bind.c,v 1.24.2.3 2008/02/11 23:26:41 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
  17  * All rights reserved.
  18  */
  19
  20 #include "portable.h"
  21
  22 #include <stdio.h>
  23
  24 #include <ac/stdlib.h>
  25
  26 #include <ac/socket.h>
  27 #include <ac/string.h>
  28 #include <ac/time.h>
  29
  30 #include "ldap-int.h"
  31 #include "ldap_log.h"
  32
  33 /*
  34  *      BindRequest ::= SEQUENCE {
  35  *              version         INTEGER,
  36  *              name            DistinguishedName,       -- who
  37  *              authentication  CHOICE {
  38  *                      simple          [0] OCTET STRING -- passwd
  39  *                      krbv42ldap      [1] OCTET STRING -- OBSOLETE
  40  *                      krbv42dsa       [2] OCTET STRING -- OBSOLETE
  41  *                      sasl            [3] SaslCredentials     -- LDAPv3
  42  *              }
  43  *      }
  44  *
  45  *      BindResponse ::= SEQUENCE {
  46  *              COMPONENTS OF LDAPResult,
  47  *              serverSaslCreds         OCTET STRING OPTIONAL -- LDAPv3
  48  *      }
  49  *
  50  * (Source: RFC 2251)
  51  */
  52
  53 /*
  54  * ldap_bind - bind to the ldap server (and X.500).  The dn and password
  55  * of the entry to which to bind are supplied, along with the authentication
  56  * method to use.  The msgid of the bind request is returned on success,
  57  * -1 if there's trouble.  ldap_result() should be called to find out the
  58  * outcome of the bind request.
  59  *
  60  * Example:
  61  *      ldap_bind( ld, "cn=manager, o=university of michigan, c=us", "secret",
  62  *          LDAP_AUTH_SIMPLE )
  63  */
  64
  65 int
  66 ldap_bind( LDAP *ld, LDAP_CONST char *dn, LDAP_CONST char *passwd, int authmethod )
  67 {
  68         Debug( LDAP_DEBUG_TRACE, "ldap_bind\n", 0, 0, 0 );
  69
  70         switch ( authmethod ) {
  71         case LDAP_AUTH_SIMPLE:
  72                 return( ldap_simple_bind( ld, dn, passwd ) );
  73
  74         case LDAP_AUTH_SASL:
  75                 /* user must use ldap_sasl_bind */
  76                 /* FALL-THRU */
  77
  78         default:
  79                 ld->ld_errno = LDAP_AUTH_UNKNOWN;
  80                 return( -1 );
  81         }
  82 }
  83
  84 /*
  85  * ldap_bind_s - bind to the ldap server (and X.500).  The dn and password
  86  * of the entry to which to bind are supplied, along with the authentication
  87  * method to use.  This routine just calls whichever bind routine is
  88  * appropriate and returns the result of the bind (e.g. LDAP_SUCCESS or
  89  * some other error indication).
  90  *
  91  * Examples:
  92  *      ldap_bind_s( ld, "cn=manager, o=university of michigan, c=us",
  93  *          "secret", LDAP_AUTH_SIMPLE )
  94  *      ldap_bind_s( ld, "cn=manager, o=university of michigan, c=us",
  95  *          NULL, LDAP_AUTH_KRBV4 )
  96  */
  97 int
  98 ldap_bind_s(
  99         LDAP *ld,
 100         LDAP_CONST char *dn,
 101         LDAP_CONST char *passwd,
 102         int authmethod )
 103 {
 104         Debug( LDAP_DEBUG_TRACE, "ldap_bind_s\n", 0, 0, 0 );
 105
 106         switch ( authmethod ) {
 107         case LDAP_AUTH_SIMPLE:
 108                 return( ldap_simple_bind_s( ld, dn, passwd ) );
 109
 110         case LDAP_AUTH_SASL:
 111                 /* user must use ldap_sasl_bind */
 112                 /* FALL-THRU */
 113
 114         default:
 115                 return( ld->ld_errno = LDAP_AUTH_UNKNOWN );
 116         }
 117 }