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

   1 /* modify.c - ldap backend modify function */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1999-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/socket.h>
  30
  31 #include "slap.h"
  32 #include "back-ldap.h"
  33
  34 int
  35 ldap_back_modify(
  36     Operation   *op,
  37     SlapReply   *rs )
  38 {
  39         struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
  40         struct ldapconn *lc;
  41         LDAPMod **modv = NULL;
  42         LDAPMod *mods;
  43         Modifications *ml;
  44         int i, j, rc;
  45         struct berval mapped;
  46         struct berval mdn = BER_BVNULL;
  47         ber_int_t msgid;
  48         dncookie dc;
  49         int isupdate;
  50         LDAPControl **ctrls = NULL;
  51
  52         lc = ldap_back_getconn(op, rs);
  53         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
  54                 return( -1 );
  55         }
  56
  57         /*
  58          * Rewrite the modify dn, if needed
  59          */
  60         dc.rwmap = &li->rwmap;
  61 #ifdef ENABLE_REWRITE
  62         dc.conn = op->o_conn;
  63         dc.rs = rs;
  64         dc.ctx = "modifyDN";
  65 #else
  66         dc.tofrom = 1;
  67         dc.normalized = 0;
  68 #endif
  69         if ( ldap_back_dn_massage( &dc, &op->o_req_ndn, &mdn ) ) {
  70                 send_ldap_result( op, rs );
  71                 return -1;
  72         }
  73
  74         for (i=0, ml=op->oq_modify.rs_modlist; ml; i++,ml=ml->sml_next)
  75                 ;
  76
  77         mods = (LDAPMod *)ch_malloc(i*sizeof(LDAPMod));
  78         if (mods == NULL) {
  79                 rc = LDAP_NO_MEMORY;
  80                 goto cleanup;
  81         }
  82         modv = (LDAPMod **)ch_malloc((i+1)*sizeof(LDAPMod *));
  83         if (modv == NULL) {
  84                 rc = LDAP_NO_MEMORY;
  85                 goto cleanup;
  86         }
  87
  88 #ifdef ENABLE_REWRITE
  89         dc.ctx = "modifyAttrDN";
  90 #endif
  91
  92         isupdate = be_shadow_update( op );
  93         for (i=0, ml=op->oq_modify.rs_modlist; ml; ml=ml->sml_next) {
  94                 int     is_oc = 0;
  95
  96                 if ( !isupdate && ml->sml_desc->ad_type->sat_no_user_mod  ) {
  97                         continue;
  98                 }
  99
 100                 if ( ml->sml_desc == slap_schema.si_ad_objectClass
 101                                 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass ) {
 102                         is_oc = 1;
 103                         mapped = ml->sml_desc->ad_cname;
 104
 105                 } else {
 106                         ldap_back_map(&li->rwmap.rwm_at,
 107                                         &ml->sml_desc->ad_cname,
 108                                         &mapped, BACKLDAP_MAP);
 109                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 110                                 continue;
 111                         }
 112                 }
 113
 114                 modv[i] = &mods[i];
 115                 mods[i].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
 116                 mods[i].mod_type = mapped.bv_val;
 117
 118                 if ( ml->sml_values != NULL ) {
 119                         if ( is_oc ) {
 120                                 for (j = 0; ml->sml_values[j].bv_val; j++);
 121                                 mods[i].mod_bvalues = (struct berval **)ch_malloc((j+1) *
 122                                         sizeof(struct berval *));
 123                                 for (j = 0; ml->sml_values[j].bv_val; j++) {
 124                                         ldap_back_map(&li->rwmap.rwm_oc,
 125                                                         &ml->sml_values[j],
 126                                                         &mapped, BACKLDAP_MAP);
 127                                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 128                                                 continue;
 129                                         }
 130                                         mods[i].mod_bvalues[j] = &mapped;
 131                                 }
 132                                 mods[i].mod_bvalues[j] = NULL;
 133
 134                         } else {
 135                                 if ( ml->sml_desc->ad_type->sat_syntax ==
 136                                         slap_schema.si_syn_distinguishedName ) {
 137                                         ldap_dnattr_rewrite( &dc, ml->sml_values );
 138                                 }
 139
 140                                 if ( ml->sml_values == NULL ) {
 141                                         continue;
 142                                 }
 143
 144                                 for (j = 0; ml->sml_values[j].bv_val; j++);
 145                                 mods[i].mod_bvalues = (struct berval **)ch_malloc((j+1) *
 146                                         sizeof(struct berval *));
 147                                 for (j = 0; ml->sml_values[j].bv_val; j++)
 148                                         mods[i].mod_bvalues[j] = &ml->sml_values[j];
 149                                 mods[i].mod_bvalues[j] = NULL;
 150                         }
 151
 152                 } else {
 153                         mods[i].mod_bvalues = NULL;
 154                 }
 155
 156                 i++;
 157         }
 158         modv[i] = 0;
 159
 160         ctrls = op->o_ctrls;
 161 #ifdef LDAP_BACK_PROXY_AUTHZ
 162         rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
 163         if ( rc != LDAP_SUCCESS ) {
 164                 goto cleanup;
 165         }
 166 #endif /* LDAP_BACK_PROXY_AUTHZ */
 167
 168         rs->sr_err = ldap_modify_ext( lc->ld, mdn.bv_val, modv,
 169                         ctrls, NULL, &msgid );
 170
 171 cleanup:;
 172 #ifdef LDAP_BACK_PROXY_AUTHZ
 173         if ( ctrls && ctrls != op->o_ctrls ) {
 174                 free( ctrls[ 0 ] );
 175                 free( ctrls );
 176         }
 177 #endif /* LDAP_BACK_PROXY_AUTHZ */
 178
 179         if ( mdn.bv_val != op->o_req_ndn.bv_val ) {
 180                 free( mdn.bv_val );
 181         }
 182         for (i=0; modv[i]; i++) {
 183                 ch_free(modv[i]->mod_bvalues);
 184         }
 185         ch_free( mods );
 186         ch_free( modv );
 187
 188 #ifdef LDAP_BACK_PROXY_AUTHZ
 189         if ( rc != LDAP_SUCCESS ) {
 190                 send_ldap_result( op, rs );
 191                 return -1;
 192         }
 193 #endif /* LDAP_BACK_PROXY_AUTHZ */
 194
 195         return ldap_back_op_result( lc, op, rs, msgid, 1 );
 196 }
 197