git.sur5r.net Git - openldap/blob - contrib/slapd-modules/nssov/alias.c

   1 /* alias.c - mail alias lookup routines */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2008-2016 The OpenLDAP Foundation.
   6  * Portions Copyright 2008 by Howard Chu, Symas Corp.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This code references portions of the nss-ldapd package
  19  * written by Arthur de Jong. The nss-ldapd code was forked
  20  * from the nss-ldap library written by Luke Howard.
  21  */
  22
  23 #include "nssov.h"
  24
  25 /* Vendor-specific attributes and object classes.
  26  * (Mainly from Sun.)
  27  * ( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP top STRUCTURAL
  28  *   DESC 'NIS mail alias'
  29  *   MUST cn
  30  *   MAY rfc822MailMember )
  31  */
  32
  33 /* the basic search filter for searches */
  34 static struct berval alias_filter = BER_BVC("(objectClass=nisMailAlias)");
  35
  36 /* the attributes to request with searches */
  37 static struct berval alias_keys[] = {
  38         BER_BVC("cn"),
  39         BER_BVC("rfc822MailMember"),
  40         BER_BVNULL
  41 };
  42
  43 NSSOV_INIT(alias)
  44
  45 NSSOV_CBPRIV(alias,
  46         struct berval name;
  47         char buf[256];);
  48
  49 static int write_alias(nssov_alias_cbp *cbp,Entry *entry)
  50 {
  51         int32_t tmpint32,tmp2int32,tmp3int32;
  52         struct berval tmparr[2], empty;
  53         struct berval *names, *members;
  54         Attribute *a;
  55         int i;
  56
  57         /* get the name of the alias */
  58         if (BER_BVISNULL(&cbp->name))
  59         {
  60                 a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[0].an_desc);
  61                 if ( !a )
  62                 {
  63                         Debug(LDAP_DEBUG_ANY,"alias entry %s does not contain %s value\n",
  64                                 entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0 );
  65                         return 0;
  66                 }
  67                 names = a->a_vals;
  68         }
  69         else
  70         {
  71                 names=tmparr;
  72                 names[0]=cbp->name;
  73                 BER_BVZERO(&names[1]);
  74         }
  75         /* get the members of the alias */
  76         a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[1].an_desc);
  77         if ( !a ) {
  78                 BER_BVZERO( &empty );
  79                 members = &empty;
  80         } else {
  81                 members = a->a_vals;
  82         }
  83         /* for each name, write an entry */
  84         for (i=0;!BER_BVISNULL(&names[i]);i++)
  85         {
  86                 WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
  87                 WRITE_BERVAL(cbp->fp,&names[i]);
  88                 WRITE_BVARRAY(cbp->fp,members);
  89         }
  90         return 0;
  91 }
  92
  93 NSSOV_CB(alias)
  94
  95 NSSOV_HANDLE(
  96         alias,byname,
  97         char fbuf[1024];
  98         struct berval filter = {sizeof(fbuf)};
  99         filter.bv_val = fbuf;
 100         READ_STRING(fp,cbp.buf);
 101         cbp.name.bv_len = tmpint32;
 102         cbp.name.bv_val = cbp.buf;,
 103         Debug(LDAP_DEBUG_TRACE,"nssov_alias_byname(%s)\n",cbp.name.bv_val,0,0);,
 104         NSLCD_ACTION_ALIAS_BYNAME,
 105         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
 106 )
 107
 108 NSSOV_HANDLE(
 109         alias,all,
 110         struct berval filter;
 111         /* no parameters to read */
 112         BER_BVZERO(&cbp.name);,
 113         Debug(LDAP_DEBUG,"nssov_alias_all()\n",0,0,0);,
 114         NSLCD_ACTION_ALIAS_ALL,
 115         (filter=cbp.mi->mi_filter,0)
 116 )