text: /* network.c - network address lookup routines */
  /* $OpenLDAP$ */
  /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 
   *
   * Copyright 2008-2014 The OpenLDAP Foundation.
   * Portions Copyright 2008 by Howard Chu, Symas Corp.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted only as authorized by the OpenLDAP
   * Public License.
   *
   * A copy of this license is available in the file LICENSE in the
   * top-level directory of the distribution or, alternatively, at
   * <http://www.OpenLDAP.org/license.html>.
   */
  /* ACKNOWLEDGEMENTS:
   * This code references portions of the nss-ldapd package
   * written by Arthur de Jong. The nss-ldapd code was forked
   * from the nss-ldap library written by Luke Howard.
   */
  
  #include "nssov.h"
  
  #include <ac/socket.h>
  
  /* ( nisSchema.2.7 NAME 'ipNetwork' SUP top STRUCTURAL
   *   DESC 'Abstraction of a network. The distinguished value of
   *   MUST ( cn $ ipNetworkNumber )
   *   MAY ( ipNetmaskNumber $ l $ description $ manager ) )
   */
  
  /* the basic search filter for searches */
  static struct berval network_filter = BER_BVC("(objectClass=ipNetwork)");
  
  /* the attributes used in searches */
  static struct berval network_keys[] = {
  	BER_BVC("cn"),
  	BER_BVC("ipNetworkNumber"),
  	BER_BVNULL
  };
  
  NSSOV_INIT(network)
  
  NSSOV_CBPRIV(network,
  	char buf[1024];
  	struct berval name;
  	struct berval addr;);
  
  /* write a single network entry to the stream */
  static int write_network(nssov_network_cbp *cbp,Entry *entry)
  {
  	int32_t tmpint32,tmp2int32,tmp3int32;
  	int numaddr,i,numname,dupname;
  	struct berval name, *names, *addrs;
  	Attribute *a;
  
  	/* get the most canonical name */
  	nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name);
  	/* get the other names for the network */
  	a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc );
  	if ( !a || !a->a_vals )
  	{
  		Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value\n",
  			entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0);
  		return 0;
  	}
  	names = a->a_vals;
  	numname = a->a_numvals;
  	/* if the name is not yet found, get the first entry from names */
  	if (BER_BVISNULL(&name)) {
  		name=names[0];
  		dupname = 0;
  	} else {
  		dupname = -1;
          for (i=0; i<numname; i++) {
              if ( bvmatch(&name, &a->a_nvals[i])) {
                  dupname = i;
                  break;
              }
          }
  	}
  	/* get the addresses */
  	a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc );
  	if ( !a || !a->a_vals )
  	{
  		Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value\n",
  			entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
  		return 0;
  	}
  	addrs = a->a_vals;
  	numaddr = a->a_numvals;
  	/* write the entry */
  	WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
  	WRITE_BERVAL(cbp->fp,&name);
  	if ( dupname >= 0 ) {
  		WRITE_INT32(cbp->fp,numname-1);
  	} else {
  		WRITE_INT32(cbp->fp,numname);
  	}
  	for (i=0;i<numname;i++) {
  		if (i == dupname) continue;
  		WRITE_BERVAL(cbp->fp,&names[i]);
  	}
  	WRITE_INT32(cbp->fp,numaddr);
  	for (i=0;i<numaddr;i++)
  	{
  		WRITE_ADDRESS(cbp->fp,&addrs[i]);
  	}
  	return 0;
  }
  
  NSSOV_CB(network)
  
  NSSOV_HANDLE(
  	network,byname,
  	char fbuf[1024];
  	struct berval filter = {sizeof(fbuf)};
  	filter.bv_val = fbuf;
  	BER_BVZERO(&cbp.addr);
  	READ_STRING(fp,cbp.buf);
  	cbp.name.bv_len = tmpint32;
  	cbp.name.bv_val = cbp.buf;,
  	Debug(LDAP_DEBUG_TRACE,"nssov_network_byname(%s)\n",cbp.name.bv_val,0,0);,
  	NSLCD_ACTION_NETWORK_BYNAME,
  	nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
  )
  
  NSSOV_HANDLE(
  	network,byaddr,
  	int af;
  	char addr[64];
  	int len=sizeof(addr);
  	char fbuf[1024];
  	struct berval filter = {sizeof(fbuf)};
  	filter.bv_val = fbuf;
  	BER_BVZERO(&cbp.name);
  	READ_ADDRESS(fp,addr,len,af);
  	/* translate the address to a string */
  	if (inet_ntop(af,addr,cbp.buf,sizeof(cbp.buf))==NULL)
  	{
  		Debug(LDAP_DEBUG_ANY,"nssov: unable to convert address to string\n",0,0,0);
  		return -1;
  	}
  	cbp.addr.bv_val = cbp.buf;
  	cbp.addr.bv_len = strlen(cbp.buf);,
  	Debug(LDAP_DEBUG_TRACE,"nslcd_network_byaddr(%s)\n",cbp.addr.bv_val,0,0);,
  	NSLCD_ACTION_NETWORK_BYADDR,
  	nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
  )
  
  NSSOV_HANDLE(
  	network,all,
  	struct berval filter;
  	/* no parameters to read */
  	BER_BVZERO(&cbp.name);
  	BER_BVZERO(&cbp.addr);,
  	Debug(LDAP_DEBUG_TRACE,"nssov_network_all()\n",0,0,0);,
  	NSLCD_ACTION_NETWORK_ALL,
  	(filter=cbp.mi->mi_filter,0)
  )
  