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/* ether.c - ethernet address lookup routines */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2008-2022 The OpenLDAP Foundation.
* 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"
struct ether_addr {
uint8_t ether_addr_octet[6];
};
/* ( nisSchema.2.11 NAME 'ieee802Device' SUP top AUXILIARY
* DESC 'A device with a MAC address; device SHOULD be
* used as a structural class'
* MAY macAddress )
*/
/* the basic search filter for searches */
static struct berval ether_filter = BER_BVC("(objectClass=ieee802Device)");
/* the attributes to request with searches */
static struct berval ether_keys[] = {
BER_BVC("cn"),
BER_BVC("macAddress"),
BER_BVNULL
};
NSSOV_INIT(ether)
NSSOV_CBPRIV(ether,
char buf[256];
struct berval name;
struct berval addr;);
#define WRITE_ETHER(fp,addr) \
{int ao[6]; \
sscanf(addr.bv_val,"%02x:%02x:%02x:%02x:%02x:%02x", \
&ao[0], &ao[1], &ao[2], &ao[3], &ao[4], &ao[5] );\
tmpaddr.ether_addr_octet[0] = ao[0]; \
tmpaddr.ether_addr_octet[1] = ao[1]; \
tmpaddr.ether_addr_octet[2] = ao[2]; \
tmpaddr.ether_addr_octet[3] = ao[3]; \
tmpaddr.ether_addr_octet[4] = ao[4]; \
tmpaddr.ether_addr_octet[5] = ao[5]; } \
WRITE(fp,&tmpaddr,sizeof(uint8_t[6]));
static int write_ether(nssov_ether_cbp *cbp,Entry *entry)
{
int32_t tmpint32;
struct ether_addr tmpaddr;
struct berval tmparr[2];
struct berval *names,*ethers;
Attribute *a;
int i,j;
/* get the name of the ether entry */
if (BER_BVISNULL(&cbp->name))
{
a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[0].an_desc);
if ( !a )
{
Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value\n",
entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val );
return 0;
}
names = a->a_vals;
}
else
{
names=tmparr;
names[0]=cbp->name;
BER_BVZERO(&names[1]);
}
/* get the addresses */
if (BER_BVISNULL(&cbp->addr))
{
a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[1].an_desc);
if ( !a )
{
Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value\n",
entry->e_name.bv_val,cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val );
return 0;
}
ethers = a->a_vals;
/* TODO: move parsing of addresses up here */
}
else
{
ethers=tmparr;
ethers[0]=cbp->addr;
BER_BVZERO(ðers[1]);
}
/* write entries for all names and addresses */
for (i=0;!BER_BVISNULL(&names[i]);i++)
for (j=0;!BER_BVISNULL(ðers[j]);j++)
{
WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
WRITE_BERVAL(cbp->fp,&names[i]);
WRITE_ETHER(cbp->fp,ethers[j]);
}
return 0;
}
NSSOV_CB(ether)
NSSOV_HANDLE(
ether,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_ether_byname(%s)\n",cbp.name.bv_val);,
NSLCD_ACTION_ETHER_BYNAME,
nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
)
NSSOV_HANDLE(
ether,byether,
struct ether_addr addr;
char fbuf[1024];
struct berval filter = {sizeof(fbuf)};
filter.bv_val = fbuf;
BER_BVZERO(&cbp.name);
READ(fp,&addr,sizeof(uint8_t[6]));
cbp.addr.bv_len = snprintf(cbp.buf,sizeof(cbp.buf), "%x:%x:%x:%x:%x:%x",
addr.ether_addr_octet[0],
addr.ether_addr_octet[1],
addr.ether_addr_octet[2],
addr.ether_addr_octet[3],
addr.ether_addr_octet[4],
addr.ether_addr_octet[5]);
cbp.addr.bv_val = cbp.buf;,
Debug(LDAP_DEBUG_TRACE,"nssov_ether_byether(%s)\n",cbp.addr.bv_val);,
NSLCD_ACTION_ETHER_BYETHER,
nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
)
NSSOV_HANDLE(
ether,all,
struct berval filter;
/* no parameters to read */
BER_BVZERO(&cbp.name);
BER_BVZERO(&cbp.addr);,
Debug(LDAP_DEBUG_TRACE,"nssov_ether_all()\n");,
NSLCD_ACTION_ETHER_ALL,
(filter=cbp.mi->mi_filter,0)
)
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