git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/extended.c

   1 /* extended.c - ldap backend extended routines */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2005 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 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by the Howard Chu for inclusion
  18  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  19  * Masarati.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26
  27 #include "slap.h"
  28 #include "back-ldap.h"
  29 #include "lber_pvt.h"
  30
  31 BI_op_extended ldap_back_exop_passwd;
  32
  33 static struct exop {
  34         struct berval   *oid;
  35         BI_op_extended  *extended;
  36 } exop_table[] = {
  37         { (struct berval *)&slap_EXOP_MODIFY_PASSWD, ldap_back_exop_passwd },
  38         { NULL, NULL }
  39 };
  40
  41 int
  42 ldap_back_extended(
  43                 Operation       *op,
  44                 SlapReply       *rs )
  45 {
  46         int     i;
  47
  48         for ( i = 0; exop_table[i].extended != NULL; i++ ) {
  49                 if ( bvmatch( exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
  50                 {
  51                         struct ldapconn *lc;
  52                         LDAPControl     **oldctrls = NULL;
  53                         int             rc;
  54
  55                         /* FIXME: this needs to be called here, so it is
  56                          * called twice; maybe we could avoid the
  57                          * ldap_back_dobind() call inside each extended()
  58                          * call ... */
  59                         lc = ldap_back_getconn( op, rs );
  60                         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
  61                                 return -1;
  62                         }
  63
  64                         oldctrls = op->o_ctrls;
  65                         if ( ldap_back_proxy_authz_ctrl( lc, op, rs,
  66                                                 &op->o_ctrls ) )
  67                         {
  68                                 op->o_ctrls = oldctrls;
  69                                 send_ldap_result( op, rs );
  70                                 rs->sr_text = NULL;
  71                                 return rs->sr_err;
  72                         }
  73
  74                         rc = ( *exop_table[i].extended )( op, rs );
  75
  76                         if ( op->o_ctrls && op->o_ctrls != oldctrls ) {
  77                                 free( op->o_ctrls[ 0 ] );
  78                                 free( op->o_ctrls );
  79                         }
  80                         op->o_ctrls = oldctrls;
  81
  82                         return rc;
  83                 }
  84         }
  85
  86         rs->sr_text = "not supported within naming context";
  87         return LDAP_UNWILLING_TO_PERFORM;
  88 }
  89
  90 int
  91 ldap_back_exop_passwd(
  92                 Operation       *op,
  93                 SlapReply       *rs )
  94 {
  95         struct ldapconn *lc;
  96         req_pwdexop_s   *qpw = &op->oq_pwdexop;
  97         LDAPMessage     *res;
  98         ber_int_t       msgid;
  99         int             rc, isproxy;
 100         int             do_retry = 1;
 101
 102         lc = ldap_back_getconn( op, rs );
 103         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
 104                 return -1;
 105         }
 106
 107         isproxy = ber_bvcmp( &op->o_req_ndn, &op->o_ndn );
 108
 109         Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_passwd(\"%s\")%s\n",
 110                 op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
 111
 112 retry:
 113         rc = ldap_passwd( lc->lc_ld, isproxy ? &op->o_req_dn : NULL,
 114                 qpw->rs_old.bv_val ? &qpw->rs_old : NULL,
 115                 qpw->rs_new.bv_val ? &qpw->rs_new : NULL,
 116                 op->o_ctrls, NULL, &msgid );
 117
 118         if ( rc == LDAP_SUCCESS ) {
 119                 if ( ldap_result( lc->lc_ld, msgid, 1, NULL, &res ) == -1 ) {
 120                         ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 121                         ldap_back_freeconn( op, lc );
 122                         lc = NULL;
 123
 124                 } else {
 125                         /* sigh. parse twice, because parse_passwd
 126                          * doesn't give us the err / match / msg info.
 127                          */
 128                         rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err,
 129                                         (char **)&rs->sr_matched,
 130                                         (char **)&rs->sr_text,
 131                                         NULL, NULL, 0 );
 132                         if ( rc == LDAP_SUCCESS ) {
 133                                 if ( rs->sr_err == LDAP_SUCCESS ) {
 134                                         struct berval   newpw;
 135
 136                                         rc = ldap_parse_passwd( lc->lc_ld, res,
 137                                                         &newpw);
 138                                         if ( rc == LDAP_SUCCESS &&
 139                                                         !BER_BVISNULL( &newpw ) )
 140                                         {
 141                                                 rs->sr_type = REP_EXTENDED;
 142                                                 rs->sr_rspdata = slap_passwd_return( &newpw );
 143                                                 free( newpw.bv_val );
 144                                         }
 145
 146                                 } else {
 147                                         rc = rs->sr_err;
 148                                 }
 149                         }
 150                         ldap_msgfree( res );
 151                 }
 152         }
 153         if ( rc != LDAP_SUCCESS ) {
 154                 rs->sr_err = slap_map_api2result( rs );
 155                 if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
 156                         do_retry = 0;
 157                         if ( ldap_back_retry(lc, op, rs ) ) {
 158                                 goto retry;
 159                         }
 160                 }
 161                 send_ldap_result( op, rs );
 162                 if ( rs->sr_matched ) {
 163                         free( (char *)rs->sr_matched );
 164                 }
 165                 if ( rs->sr_text ) {
 166                         free( (char *)rs->sr_text );
 167                 }
 168                 rs->sr_matched = NULL;
 169                 rs->sr_text = NULL;
 170                 rc = -1;
 171         }
 172
 173         return rc;
 174 }