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 1999-2003 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 = { 0, NULL };
  47         ber_int_t msgid;
  48         dncookie dc;
  49 #ifdef LDAP_BACK_PROXY_AUTHZ
  50         LDAPControl **ctrls = NULL;
  51 #endif /* LDAP_BACK_PROXY_AUTHZ */
  52
  53         lc = ldap_back_getconn(op, rs);
  54         if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
  55                 return( -1 );
  56         }
  57
  58         /*
  59          * Rewrite the modify dn, if needed
  60          */
  61         dc.rwmap = &li->rwmap;
  62 #ifdef ENABLE_REWRITE
  63         dc.conn = op->o_conn;
  64         dc.rs = rs;
  65         dc.ctx = "modifyDn";
  66 #else
  67         dc.tofrom = 1;
  68         dc.normalized = 0;
  69 #endif
  70         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
  71                 send_ldap_result( op, rs );
  72                 return -1;
  73         }
  74
  75         for (i=0, ml=op->oq_modify.rs_modlist; ml; i++,ml=ml->sml_next)
  76                 ;
  77
  78         mods = (LDAPMod *)ch_malloc(i*sizeof(LDAPMod));
  79         if (mods == NULL) {
  80                 rc = LDAP_NO_MEMORY;
  81                 goto cleanup;
  82         }
  83         modv = (LDAPMod **)ch_malloc((i+1)*sizeof(LDAPMod *));
  84         if (modv == NULL) {
  85                 rc = LDAP_NO_MEMORY;
  86                 goto cleanup;
  87         }
  88
  89 #ifdef ENABLE_REWRITE
  90         dc.ctx = "modifyAttrDN";
  91 #endif
  92         for (i=0, ml=op->oq_modify.rs_modlist; ml; ml=ml->sml_next) {
  93                 int     is_oc = 0;
  94
  95                 if ( ml->sml_desc->ad_type->sat_no_user_mod  ) {
  96                         continue;
  97                 }
  98
  99                 if ( ml->sml_desc == slap_schema.si_ad_objectClass
 100                                 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass ) {
 101                         is_oc = 1;
 102                         mapped = ml->sml_desc->ad_cname;
 103
 104                 } else {
 105                         ldap_back_map(&li->rwmap.rwm_at,
 106                                         &ml->sml_desc->ad_cname,
 107                                         &mapped, BACKLDAP_MAP);
 108                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 109                                 continue;
 110                         }
 111                 }
 112
 113                 modv[i] = &mods[i];
 114                 mods[i].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
 115                 mods[i].mod_type = mapped.bv_val;
 116
 117                 if ( ml->sml_bvalues != NULL ) {
 118                         if ( is_oc ) {
 119                                 for (j = 0; ml->sml_bvalues[j].bv_val; j++);
 120                                 mods[i].mod_bvalues = (struct berval **)ch_malloc((j+1) *
 121                                         sizeof(struct berval *));
 122                                 for (j = 0; ml->sml_bvalues[j].bv_val; j++) {
 123                                         ldap_back_map(&li->rwmap.rwm_oc,
 124                                                         &ml->sml_bvalues[j],
 125                                                         &mapped, BACKLDAP_MAP);
 126                                         if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
 127                                                 continue;
 128                                         }
 129                                         mods[i].mod_bvalues[j] = &mapped;
 130                                 }
 131                                 mods[i].mod_bvalues[j] = NULL;
 132
 133                         } else {
 134                                 if ( ml->sml_desc->ad_type->sat_syntax ==
 135                                         slap_schema.si_syn_distinguishedName ) {
 136                                         ldap_dnattr_rewrite( &dc, ml->sml_bvalues );
 137                                 }
 138
 139                                 if ( ml->sml_bvalues == NULL ) {
 140                                         continue;
 141                                 }
 142
 143                                 for (j = 0; ml->sml_bvalues[j].bv_val; j++);
 144                                 mods[i].mod_bvalues = (struct berval **)ch_malloc((j+1) *
 145                                         sizeof(struct berval *));
 146                                 for (j = 0; ml->sml_bvalues[j].bv_val; j++)
 147                                         mods[i].mod_bvalues[j] = &ml->sml_bvalues[j];
 148                                 mods[i].mod_bvalues[j] = NULL;
 149                         }
 150
 151                 } else {
 152                         mods[i].mod_bvalues = NULL;
 153                 }
 154
 155                 i++;
 156         }
 157         modv[i] = 0;
 158
 159 #ifdef LDAP_BACK_PROXY_AUTHZ
 160         rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
 161         if ( rc != LDAP_SUCCESS ) {
 162                 goto cleanup;
 163         }
 164 #endif /* LDAP_BACK_PROXY_AUTHZ */
 165
 166         rs->sr_err = ldap_modify_ext( lc->ld, mdn.bv_val, modv,
 167 #ifdef LDAP_BACK_PROXY_AUTHZ
 168                         ctrls,
 169 #else /* ! LDAP_BACK_PROXY_AUTHZ */
 170                         op->o_ctrls,
 171 #endif /* ! LDAP_BACK_PROXY_AUTHZ */
 172                         NULL, &msgid );
 173
 174 cleanup:;
 175 #ifdef LDAP_BACK_PROXY_AUTHZ
 176         if ( ctrls && ctrls != op->o_ctrls ) {
 177                 free( ctrls[ 0 ] );
 178                 free( ctrls );
 179         }
 180 #endif /* LDAP_BACK_PROXY_AUTHZ */
 181
 182         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
 183                 free( mdn.bv_val );
 184         }
 185         for (i=0; modv[i]; i++) {
 186                 ch_free(modv[i]->mod_bvalues);
 187         }
 188         ch_free( mods );
 189         ch_free( modv );
 190
 191 #ifdef LDAP_BACK_PROXY_AUTHZ
 192         if ( rc != LDAP_SUCCESS ) {
 193                 send_ldap_result( op, rs );
 194                 return -1;
 195         }
 196 #endif /* LDAP_BACK_PROXY_AUTHZ */
 197
 198         return ldap_back_op_result( lc, op, rs, msgid, 1 );
 199 }
 200