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 #ifndef lint
  34 static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
  35 #endif
  36 #endif
  37
  38 #include "ldap-int.h"
  39
  40 /*
  41  * ldap_modify - initiate an ldap modify operation.  Parameters:
  42  *
  43  *      ld              LDAP descriptor
  44  *      dn              DN of the object to modify
  45  *      mods            List of modifications to make.  This is null-terminated
  46  *                      array of struct ldapmod's, specifying the modifications
  47  *                      to perform.
  48  *
  49  * Example:
  50  *      LDAPMod *mods[] = {
  51  *                      { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } },
  52  *                      { LDAP_MOD_REPLACE, "sn", { "jensen", 0 } },
  53  *                      0
  54  *              }
  55  *      msgid = ldap_modify( ld, dn, mods );
  56  */
  57 int
  58 LDAP_CALL
  59 ldap_modify( LDAP *ld, const char *dn, LDAPMod **mods )
  60 {
  61         int             msgid;
  62
  63         LDAPDebug( LDAP_DEBUG_TRACE, "ldap_modify\n", 0, 0, 0 );
  64
  65         if ( ldap_modify_ext( ld, dn, mods, NULL, NULL, &msgid )
  66             == LDAP_SUCCESS ) {
  67                 return( msgid );
  68         } else {
  69                 return( -1 );   /* error is in ld handle */
  70         }
  71 }
  72
  73 int
  74 LDAP_CALL
  75 ldap_modify_ext( LDAP *ld, const char *dn, LDAPMod **mods,
  76     LDAPControl **serverctrls, LDAPControl **clientctrls, int *msgidp )
  77 {
  78         BerElement      *ber;
  79         int             i, rc, lderr;
  80
  81         /*
  82          * A modify request looks like this:
  83          *      ModifyRequet ::= SEQUENCE {
  84          *              object          DistinguishedName,
  85          *              modifications   SEQUENCE OF SEQUENCE {
  86          *                      operation       ENUMERATED {
  87          *                              add     (0),
  88          *                              delete  (1),
  89          *                              replace (2)
  90          *                      },
  91          *                      modification    SEQUENCE {
  92          *                              type    AttributeType,
  93          *                              values  SET OF AttributeValue
  94          *                      }
  95          *              }
  96          *      }
  97          */
  98
  99         LDAPDebug( LDAP_DEBUG_TRACE, "ldap_modify_ext\n", 0, 0, 0 );
 100
 101         if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
 102                 return( LDAP_PARAM_ERROR );
 103         }
 104         if ( !NSLDAPI_VALID_LDAPMESSAGE_POINTER( msgidp ))
 105         {
 106                 LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
 107                 return( LDAP_PARAM_ERROR );
 108         }
 109
 110         if ( !NSLDAPI_VALID_NONEMPTY_LDAPMOD_ARRAY( mods )) {
 111                 lderr = LDAP_PARAM_ERROR;
 112                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 113                 return( lderr );
 114         }
 115         if ( dn == NULL ) {
 116                 dn = "";
 117         }
 118
 119         LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
 120         *msgidp = ++ld->ld_msgid;
 121         LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
 122
 123         /* see if we should add to the cache */
 124         if ( ld->ld_cache_on && ld->ld_cache_modify != NULL ) {
 125                 LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
 126                 if ( (rc = (ld->ld_cache_modify)( ld, *msgidp, LDAP_REQ_MODIFY,
 127                     dn, mods )) != 0 ) {
 128                         *msgidp = rc;
 129                         LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
 130                         return( LDAP_SUCCESS );
 131                 }
 132                 LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
 133         }
 134
 135         /* create a message to send */
 136         if (( lderr = nsldapi_alloc_ber_with_options( ld, &ber ))
 137             != LDAP_SUCCESS ) {
 138                 return( lderr );
 139         }
 140
 141         if ( ber_printf( ber, "{it{s{", *msgidp, LDAP_REQ_MODIFY, dn )
 142             == -1 ) {
 143                 lderr = LDAP_ENCODING_ERROR;
 144                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 145                 ber_free( ber, 1 );
 146                 return( lderr );
 147         }
 148
 149         /* for each modification to be performed... */
 150         for ( i = 0; mods[i] != NULL; i++ ) {
 151                 if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
 152                         rc = ber_printf( ber, "{e{s[V]}}",
 153                             mods[i]->mod_op & ~LDAP_MOD_BVALUES,
 154                             mods[i]->mod_type, mods[i]->mod_bvalues );
 155                 } else {
 156                         rc = ber_printf( ber, "{e{s[v]}}", mods[i]->mod_op,
 157                             mods[i]->mod_type, mods[i]->mod_values );
 158                 }
 159
 160                 if ( rc == -1 ) {
 161                         lderr = LDAP_ENCODING_ERROR;
 162                         LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 163                         ber_free( ber, 1 );
 164                         return( lderr );
 165                 }
 166         }
 167
 168         if ( ber_printf( ber, "}}" ) == -1 ) {
 169                 lderr = LDAP_ENCODING_ERROR;
 170                 LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
 171                 ber_free( ber, 1 );
 172                 return( lderr );
 173         }
 174
 175         if (( lderr = nsldapi_put_controls( ld, serverctrls, 1, ber ))
 176             != LDAP_SUCCESS ) {
 177                 ber_free( ber, 1 );
 178                 return( lderr );
 179         }
 180
 181         /* send the message */
 182         rc = nsldapi_send_initial_request( ld, *msgidp, LDAP_REQ_MODIFY,
 183                 (char *)dn, ber );
 184         *msgidp = rc;
 185         return( rc < 0 ? LDAP_GET_LDERRNO( ld, NULL, NULL ) : LDAP_SUCCESS );
 186 }
 187
 188 int
 189 LDAP_CALL
 190 ldap_modify_s( LDAP *ld, const char *dn, LDAPMod **mods )
 191 {
 192         return( ldap_modify_ext_s( ld, dn, mods, NULL, NULL ));
 193 }
 194
 195 int
 196 LDAP_CALL
 197 ldap_modify_ext_s( LDAP *ld, const char *dn, LDAPMod **mods,
 198     LDAPControl **serverctrls, LDAPControl **clientctrls )
 199 {
 200         int             msgid, err;
 201         LDAPMessage     *res;
 202
 203         if (( err = ldap_modify_ext( ld, dn, mods, serverctrls, clientctrls,
 204             &msgid )) != LDAP_SUCCESS ) {
 205                 return( err );
 206         }
 207
 208         if ( ldap_result( ld, msgid, 1, (struct timeval *)NULL, &res ) == -1 ) {
 209                 return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
 210         }
 211
 212         return( ldap_result2error( ld, res, 1 ) );
 213 }