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 #ifdef LDAP_BACK_PROXY_AUTHZ
  52                         struct ldapconn *lc;
  53                         LDAPControl     **oldctrls = NULL;
  54                         int             rc;
  55
  56                         /* FIXME: this needs to be called here, so it is
  57                          * called twice; maybe we could avoid the
  58                          * ldap_back_dobind() call inside each extended()
  59                          * call ... */
  60                         lc = ldap_back_getconn( op, rs );
  61                         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
  62                                 return -1;
  63                         }
  64
  65                         oldctrls = op->o_ctrls;
  66                         if ( ldap_back_proxy_authz_ctrl( lc, op, rs,
  67                                                 &op->o_ctrls ) )
  68                         {
  69                                 op->o_ctrls = oldctrls;
  70                                 send_ldap_result( op, rs );
  71                                 rs->sr_text = NULL;
  72                                 return rs->sr_err;
  73                         }
  74
  75                         rc = ( *exop_table[i].extended )( op, rs );
  76
  77                         if ( op->o_ctrls && op->o_ctrls != oldctrls ) {
  78                                 free( op->o_ctrls[ 0 ] );
  79                                 free( op->o_ctrls );
  80                         }
  81                         op->o_ctrls = oldctrls;
  82
  83                         return rc;
  84 #else /* ! LDAP_BACK_PROXY_AUTHZ */
  85                         return ( *exop_table[i].extended )( op, rs );
  86 #endif /* ! LDAP_BACK_PROXY_AUTHZ */
  87                 }
  88         }
  89
  90         rs->sr_text = "not supported within naming context";
  91         return LDAP_UNWILLING_TO_PERFORM;
  92 }
  93
  94 int
  95 ldap_back_exop_passwd(
  96                 Operation       *op,
  97                 SlapReply       *rs )
  98 {
  99         struct ldapconn *lc;
 100         req_pwdexop_s   *qpw = &op->oq_pwdexop;
 101         LDAPMessage     *res;
 102         ber_int_t       msgid;
 103         int             rc, isproxy;
 104         int             do_retry = 1;
 105
 106         lc = ldap_back_getconn( op, rs );
 107         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
 108                 return -1;
 109         }
 110
 111         isproxy = ber_bvcmp( &op->o_req_ndn, &op->o_ndn );
 112
 113         Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_passwd(\"%s\")%s\n",
 114                 op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
 115
 116 retry:
 117         rc = ldap_passwd( lc->lc_ld, isproxy ? &op->o_req_dn : NULL,
 118                 qpw->rs_old.bv_val ? &qpw->rs_old : NULL,
 119                 qpw->rs_new.bv_val ? &qpw->rs_new : NULL,
 120                 op->o_ctrls, NULL, &msgid );
 121
 122         if ( rc == LDAP_SUCCESS ) {
 123                 if ( ldap_result( lc->lc_ld, msgid, 1, NULL, &res ) == -1 ) {
 124                         ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc );
 125                         ldap_back_freeconn( op, lc );
 126                         lc = NULL;
 127
 128                 } else {
 129                         /* sigh. parse twice, because parse_passwd
 130                          * doesn't give us the err / match / msg info.
 131                          */
 132                         rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err,
 133                                         (char **)&rs->sr_matched,
 134                                         (char **)&rs->sr_text,
 135                                         NULL, NULL, 0 );
 136                         if ( rc == LDAP_SUCCESS ) {
 137                                 if ( rs->sr_err == LDAP_SUCCESS ) {
 138                                         struct berval   newpw;
 139
 140                                         rc = ldap_parse_passwd( lc->lc_ld, res,
 141                                                         &newpw);
 142                                         if ( rc == LDAP_SUCCESS &&
 143                                                         !BER_BVISNULL( &newpw ) )
 144                                         {
 145                                                 rs->sr_type = REP_EXTENDED;
 146                                                 rs->sr_rspdata = slap_passwd_return( &newpw );
 147                                                 free( newpw.bv_val );
 148                                         }
 149
 150                                 } else {
 151                                         rc = rs->sr_err;
 152                                 }
 153                         }
 154                         ldap_msgfree( res );
 155                 }
 156         }
 157         if ( rc != LDAP_SUCCESS ) {
 158                 rs->sr_err = slap_map_api2result( rs );
 159                 if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
 160                         do_retry = 0;
 161                         if ( ldap_back_retry(lc, op, rs ) ) {
 162                                 goto retry;
 163                         }
 164                 }
 165                 send_ldap_result( op, rs );
 166                 if ( rs->sr_matched ) {
 167                         free( (char *)rs->sr_matched );
 168                 }
 169                 if ( rs->sr_text ) {
 170                         free( (char *)rs->sr_text );
 171                 }
 172                 rs->sr_matched = NULL;
 173                 rs->sr_text = NULL;
 174                 rc = -1;
 175         }
 176
 177         return rc;
 178 }