/* $NetBSD: ether.c,v 1.1.1.6.6.1 2019/08/10 06:17:09 martin Exp $ */ /* ether.c - ethernet address lookup routines */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2008-2019 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 * . */ /* 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,0 ); 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,0 ); 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,0,0);, 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,0,0);, 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",0,0,0);, NSLCD_ACTION_ETHER_ALL, (filter=cbp.mi->mi_filter,0) )