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 #ifdef LDAP_BACK_PROXY_AUTHZ
  51         LDAPControl **ctrls = NULL;
  52 #endif /* LDAP_BACK_PROXY_AUTHZ */
  53
  54         lc = ldap_back_getconn(op, rs);
  55         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
  56                 return( -1 );
  57         }
  58
  59         /*
  60          * Rewrite the modify dn, if needed
  61          */
  62         dc.rwmap = &li->rwmap;
  63 #ifdef ENABLE_REWRITE
  64         dc.conn = op->o_conn;
  65         dc.rs = rs;
  66         dc.ctx = "modifyDN";
  67 #else
  68         dc.tofrom = 1;
  69         dc.normalized = 0;
  70 #endif
  71         if ( ldap_back_dn_massage( &dc, &op->o_req_ndn, &mdn ) ) {
  72                 send_ldap_result( op, rs );
  73                 return -1;
  74         }
  75
  76         for (i=0, ml=op->oq_modify.rs_modlist; ml; i++,ml=ml->sml_next)
  77                 ;
  78
  79         mods = (LDAPMod *)ch_malloc(i*sizeof(LDAPMod));
  80         if (mods == NULL) {
  81                 rc = LDAP_NO_MEMORY;
  82                 goto cleanup;
  83         }
  84         modv = (LDAPMod **)ch_malloc((i+1)*sizeof(LDAPMod *));
  85         if (modv == NULL) {
  86                 rc = LDAP_NO_MEMORY;
  87                 goto cleanup;
  88         }
  89
  90 #ifdef ENABLE_REWRITE
  91         dc.ctx = "modifyAttrDN";
  92 #endif
  93
  94         isupdate = be_shadow_update( op );
  95         for (i=0, ml=op->oq_modify.rs_modlist; ml; ml=ml->sml_next) {
  96                 int     is_oc = 0;
  97
  98                 if ( !isupdate && ml->sml_desc->ad_type->sat_no_user_mod  ) {
  99                         continue;
 100                 }
 101
 102                 if ( ml->sml_desc == slap_schema.si_ad_objectClass
 103                                 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass ) {
 104                         is_oc = 1;
 105                         mapped = ml->sml_desc->ad_cname;
 106
 107                 } else {
 108                         ldap_back_map(&li->rwmap.rwm_at,
 109                                         &ml->sml_desc->ad_cname,
 110                                         &mapped, BACKLDAP_MAP);
 111                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 112                                 continue;
 113                         }
 114                 }
 115
 116                 modv[i] = &mods[i];
 117                 mods[i].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
 118                 mods[i].mod_type = mapped.bv_val;
 119
 120                 if ( ml->sml_values != NULL ) {
 121                         if ( is_oc ) {
 122                                 for (j = 0; ml->sml_values[j].bv_val; j++);
 123                                 mods[i].mod_values = (struct berval **)ch_malloc((j+1) *
 124                                         sizeof(struct berval *));
 125                                 for (j = 0; ml->sml_values[j].bv_val; j++) {
 126                                         ldap_back_map(&li->rwmap.rwm_oc,
 127                                                         &ml->sml_values[j],
 128                                                         &mapped, BACKLDAP_MAP);
 129                                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 130                                                 continue;
 131                                         }
 132                                         mods[i].mod_values[j] = &mapped;
 133                                 }
 134                                 mods[i].mod_values[j] = NULL;
 135
 136                         } else {
 137                                 if ( ml->sml_desc->ad_type->sat_syntax ==
 138                                         slap_schema.si_syn_distinguishedName ) {
 139                                         ldap_dnattr_rewrite( &dc, ml->sml_values );
 140                                 }
 141
 142                                 if ( ml->sml_values == NULL ) {
 143                                         continue;
 144                                 }
 145
 146                                 for (j = 0; ml->sml_values[j].bv_val; j++);
 147                                 mods[i].mod_values = (struct berval **)ch_malloc((j+1) *
 148                                         sizeof(struct berval *));
 149                                 for (j = 0; ml->sml_values[j].bv_val; j++)
 150                                         mods[i].mod_values[j] = &ml->sml_values[j];
 151                                 mods[i].mod_values[j] = NULL;
 152                         }
 153
 154                 } else {
 155                         mods[i].mod_values = NULL;
 156                 }
 157
 158                 i++;
 159         }
 160         modv[i] = 0;
 161
 162 #ifdef LDAP_BACK_PROXY_AUTHZ
 163         rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
 164         if ( rc != LDAP_SUCCESS ) {
 165                 goto cleanup;
 166         }
 167 #endif /* LDAP_BACK_PROXY_AUTHZ */
 168
 169         rs->sr_err = ldap_modify_ext( lc->ld, mdn.bv_val, modv,
 170 #ifdef LDAP_BACK_PROXY_AUTHZ
 171                         ctrls,
 172 #else /* ! LDAP_BACK_PROXY_AUTHZ */
 173                         op->o_ctrls,
 174 #endif /* ! LDAP_BACK_PROXY_AUTHZ */
 175                         NULL, &msgid );
 176
 177 cleanup:;
 178 #ifdef LDAP_BACK_PROXY_AUTHZ
 179         if ( ctrls && ctrls != op->o_ctrls ) {
 180                 free( ctrls[ 0 ] );
 181                 free( ctrls );
 182         }
 183 #endif /* LDAP_BACK_PROXY_AUTHZ */
 184
 185         if ( mdn.bv_val != op->o_req_ndn.bv_val ) {
 186                 free( mdn.bv_val );
 187         }
 188         for (i=0; modv[i]; i++) {
 189                 ch_free(modv[i]->mod_values);
 190         }
 191         ch_free( mods );
 192         ch_free( modv );
 193
 194 #ifdef LDAP_BACK_PROXY_AUTHZ
 195         if ( rc != LDAP_SUCCESS ) {
 196                 send_ldap_result( op, rs );
 197                 return -1;
 198         }
 199 #endif /* LDAP_BACK_PROXY_AUTHZ */
 200
 201         return ldap_back_op_result( lc, op, rs, msgid, 1 );
 202 }
 203