usr/src/lib/libldap5/sources/ldap/common/modify.c

   1 #pragma ident   "%Z%%M% %I%     %E% SMI"
   2
   3 /*
   4  * The contents of this file are subject to the Netscape Public
   5  * License Version 1.1 (the "License"); you may not use this file
   6  * except in compliance with the License. You may obtain a copy of
   7  * the License at http://www.mozilla.org/NPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS
  10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  11  * implied. See the License for the specific language governing
  12  * rights and limitations under the License.
  13  *
  14  * The Original Code is Mozilla Communicator client code, released
  15  * March 31, 1998.
  16  *
  17  * The Initial Developer of the Original Code is Netscape
  18  * Communications Corporation. Portions created by Netscape are
  19  * Copyright (C) 1998-1999 Netscape Communications Corporation. All
  20  * Rights Reserved.
  21  *
  22  * Contributor(s):
  23  */
  24 /*
  25  *  Copyright (c) 1990 Regents of the University of Michigan.
  26  *  All rights reserved.
  27  */
  28 /*
  29  *  modify.c
  30  */
  31
  32 #if 0
  33 static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
  34 #endif
  35
  36 #include "ldap-int.h"
  37
  38 /*
  39  * ldap_modify - initiate an ldap modify operation.  Parameters:
  40  *
  41  *      ld              LDAP descriptor
  42  *      dn              DN of the object to modify
  43  *      mods            List of modifications to make.  This is null-terminated
  44  *                      array of struct ldapmod's, specifying the modifications
  45  *                      to perform.
  46  *
  47  * Example:
  48  *      LDAPMod *mods[] = {
  49  *                      { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } },
  50  *                      { LDAP_MOD_REPLACE, "sn", { "jensen", 0 } },
  51  *                      0
  52  *              }
  53  *      msgid = ldap_modify( ld, dn, mods );
  54  */
  55 int
  56 LDAP_CALL
  57 ldap_modify( LDAP *ld, const char *dn, LDAPMod **mods )
  58 {
  59         int             msgid;
  60
  61         LDAPDebug( LDAP_DEBUG_TRACE, "ldap_modify\n", 0, 0, 0 );
  62
  63         if ( ldap_modify_ext( ld, dn, mods, NULL, NULL, &msgid )
  64             == LDAP_SUCCESS ) {
  65                 return( msgid );
  66         } else {
  67                 return( -1 );   /* error is in ld handle */
  68         }
  69 }
  70
  71 int
  72 LDAP_CALL
  73 ldap_modify_ext( LDAP *ld, const char *dn, LDAPMod **mods,
  74     LDAPControl **serverctrls, LDAPControl **clientctrls, int *msgidp )
  75 {
  76         BerElement      *ber;
  77         int             i, rc, lderr;
  78
  79         /*
  80          * A modify request looks like this:
  81          *      ModifyRequet ::= SEQUENCE {
  82          *              object          DistinguishedName,
  83          *              modifications   SEQUENCE OF SEQUENCE {
  84          *                      operation       ENUMERATED {
  85          *                              add     (0),
  86          *                              delete  (1),
  87          *                              replace (2)
  88          *                      },
  89          *                      modification    SEQUENCE {
  90          *                              type    AttributeType,
  91          *                              values  SET OF AttributeValue
  92          *                      }
  93          *              }
  94          *      }
  95          */
  96
  97         LDAPDebug( LDAP_DEBUG_TRACE, "ldap_modify_ext\n", 0, 0, 0 );
  98
  99         if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
 100                 return( LDAP_PARAM_ERROR );
 101         }
 102         if ( !NSLDAPI_VALID_LDAPMESSAGE_POINTER( msgidp ))
 103         {
 104                 LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
 105                 return( LDAP_PARAM_ERROR );
 106         }
 107
 108         if ( !NSLDAPI_VALID_NONEMPTY_LDAPMOD_ARRAY( mods )) {
 109                 lderr = LDAP_PARAM_ERROR;
 110                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 111                 return( lderr );
 112         }
 113         if ( dn == NULL ) {
 114                 dn = "";
 115         }
 116
 117         LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
 118         *msgidp = ++ld->ld_msgid;
 119         LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
 120
 121         /* see if we should add to the cache */
 122         if ( ld->ld_cache_on && ld->ld_cache_modify != NULL ) {
 123                 LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
 124                 if ( (rc = (ld->ld_cache_modify)( ld, *msgidp, LDAP_REQ_MODIFY,
 125                     dn, mods )) != 0 ) {
 126                         *msgidp = rc;
 127                         LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
 128                         return( LDAP_SUCCESS );
 129                 }
 130                 LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
 131         }
 132
 133         /* create a message to send */
 134         if (( lderr = nsldapi_alloc_ber_with_options( ld, &ber ))
 135             != LDAP_SUCCESS ) {
 136                 return( lderr );
 137         }
 138
 139         if ( ber_printf( ber, "{it{s{", *msgidp, LDAP_REQ_MODIFY, dn )
 140             == -1 ) {
 141                 lderr = LDAP_ENCODING_ERROR;
 142                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 143                 ber_free( ber, 1 );
 144                 return( lderr );
 145         }
 146
 147         /* for each modification to be performed... */
 148         for ( i = 0; mods[i] != NULL; i++ ) {
 149                 if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
 150                         rc = ber_printf( ber, "{e{s[V]}}",
 151                             mods[i]->mod_op & ~LDAP_MOD_BVALUES,
 152                             mods[i]->mod_type, mods[i]->mod_bvalues );
 153                 } else {
 154                         rc = ber_printf( ber, "{e{s[v]}}", mods[i]->mod_op,
 155                             mods[i]->mod_type, mods[i]->mod_values );
 156                 }
 157
 158                 if ( rc == -1 ) {
 159                         lderr = LDAP_ENCODING_ERROR;
 160                         LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 161                         ber_free( ber, 1 );
 162                         return( lderr );
 163                 }
 164         }
 165
 166         if ( ber_printf( ber, "}}" ) == -1 ) {
 167                 lderr = LDAP_ENCODING_ERROR;
 168                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 169                 ber_free( ber, 1 );
 170                 return( lderr );
 171         }
 172
 173         if (( lderr = nsldapi_put_controls( ld, serverctrls, 1, ber ))
 174             != LDAP_SUCCESS ) {
 175                 ber_free( ber, 1 );
 176                 return( lderr );
 177         }
 178
 179         /* send the message */
 180         rc = nsldapi_send_initial_request( ld, *msgidp, LDAP_REQ_MODIFY,
 181                 (char *)dn, ber );
 182         *msgidp = rc;
 183         return( rc < 0 ? LDAP_GET_LDERRNO( ld, NULL, NULL ) : LDAP_SUCCESS );
 184 }
 185
 186 int
 187 LDAP_CALL
 188 ldap_modify_s( LDAP *ld, const char *dn, LDAPMod **mods )
 189 {
 190         return( ldap_modify_ext_s( ld, dn, mods, NULL, NULL ));
 191 }
 192
 193 int
 194 LDAP_CALL
 195 ldap_modify_ext_s( LDAP *ld, const char *dn, LDAPMod **mods,
 196     LDAPControl **serverctrls, LDAPControl **clientctrls )
 197 {
 198         int             msgid, err;
 199         LDAPMessage     *res;
 200
 201         if (( err = ldap_modify_ext( ld, dn, mods, serverctrls, clientctrls,
 202             &msgid )) != LDAP_SUCCESS ) {
 203                 return( err );
 204         }
 205
 206         if ( ldap_result( ld, msgid, 1, NULL, &res ) == -1 ) {
 207                 return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
 208         }
 209
 210         return( ldap_result2error( ld, res, 1 ) );
 211 }