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

   1 /* ether.c - ethernet address lookup routines */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2008-2018 The OpenLDAP Foundation.
   6  * 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 struct ether_addr {
  26   uint8_t ether_addr_octet[6];
  27 };
  28
  29 /* ( nisSchema.2.11 NAME 'ieee802Device' SUP top AUXILIARY
  30  *   DESC 'A device with a MAC address; device SHOULD be
  31  *         used as a structural class'
  32  *   MAY macAddress )
  33  */
  34
  35 /* the basic search filter for searches */
  36 static struct berval ether_filter = BER_BVC("(objectClass=ieee802Device)");
  37
  38 /* the attributes to request with searches */
  39 static struct berval ether_keys[] = {
  40         BER_BVC("cn"),
  41         BER_BVC("macAddress"),
  42         BER_BVNULL
  43 };
  44
  45 NSSOV_INIT(ether)
  46
  47 NSSOV_CBPRIV(ether,
  48         char buf[256];
  49         struct berval name;
  50         struct berval addr;);
  51
  52 #define WRITE_ETHER(fp,addr) \
  53   {int ao[6]; \
  54   sscanf(addr.bv_val,"%02x:%02x:%02x:%02x:%02x:%02x", \
  55         &ao[0], &ao[1], &ao[2], &ao[3], &ao[4], &ao[5] );\
  56         tmpaddr.ether_addr_octet[0] = ao[0]; \
  57         tmpaddr.ether_addr_octet[1] = ao[1]; \
  58         tmpaddr.ether_addr_octet[2] = ao[2]; \
  59         tmpaddr.ether_addr_octet[3] = ao[3]; \
  60         tmpaddr.ether_addr_octet[4] = ao[4]; \
  61         tmpaddr.ether_addr_octet[5] = ao[5]; } \
  62   WRITE(fp,&tmpaddr,sizeof(uint8_t[6]));
  63
  64 static int write_ether(nssov_ether_cbp *cbp,Entry *entry)
  65 {
  66         int32_t tmpint32;
  67         struct ether_addr tmpaddr;
  68         struct berval tmparr[2];
  69         struct berval *names,*ethers;
  70         Attribute *a;
  71         int i,j;
  72
  73         /* get the name of the ether entry */
  74         if (BER_BVISNULL(&cbp->name))
  75         {
  76                 a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[0].an_desc);
  77                 if ( !a )
  78                 {
  79                         Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value\n",
  80                                                         entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0 );
  81                         return 0;
  82                 }
  83                 names = a->a_vals;
  84         }
  85         else
  86         {
  87                 names=tmparr;
  88                 names[0]=cbp->name;
  89                 BER_BVZERO(&names[1]);
  90         }
  91         /* get the addresses */
  92         if (BER_BVISNULL(&cbp->addr))
  93         {
  94                 a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[1].an_desc);
  95                 if ( !a )
  96                 {
  97                         Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value\n",
  98                                                         entry->e_name.bv_val,cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val,0 );
  99                         return 0;
 100                 }
 101                 ethers = a->a_vals;
 102                 /* TODO: move parsing of addresses up here */
 103         }
 104         else
 105         {
 106                 ethers=tmparr;
 107                 ethers[0]=cbp->addr;
 108                 BER_BVZERO(&ethers[1]);
 109         }
 110         /* write entries for all names and addresses */
 111         for (i=0;!BER_BVISNULL(&names[i]);i++)
 112                 for (j=0;!BER_BVISNULL(&ethers[j]);j++)
 113                 {
 114                         WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
 115                         WRITE_BERVAL(cbp->fp,&names[i]);
 116                         WRITE_ETHER(cbp->fp,ethers[j]);
 117                 }
 118         return 0;
 119 }
 120
 121 NSSOV_CB(ether)
 122
 123 NSSOV_HANDLE(
 124         ether,byname,
 125         char fbuf[1024];
 126         struct berval filter = {sizeof(fbuf)};
 127         filter.bv_val = fbuf;
 128         BER_BVZERO(&cbp.addr);
 129         READ_STRING(fp,cbp.buf);
 130         cbp.name.bv_len = tmpint32;
 131         cbp.name.bv_val = cbp.buf;,
 132         Debug(LDAP_DEBUG_TRACE,"nssov_ether_byname(%s)\n",cbp.name.bv_val,0,0);,
 133         NSLCD_ACTION_ETHER_BYNAME,
 134         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
 135 )
 136
 137 NSSOV_HANDLE(
 138         ether,byether,
 139         struct ether_addr addr;
 140         char fbuf[1024];
 141         struct berval filter = {sizeof(fbuf)};
 142         filter.bv_val = fbuf;
 143         BER_BVZERO(&cbp.name);
 144         READ(fp,&addr,sizeof(uint8_t[6]));
 145         cbp.addr.bv_len = snprintf(cbp.buf,sizeof(cbp.buf), "%x:%x:%x:%x:%x:%x",
 146                 addr.ether_addr_octet[0],
 147                 addr.ether_addr_octet[1],
 148                 addr.ether_addr_octet[2],
 149                 addr.ether_addr_octet[3],
 150                 addr.ether_addr_octet[4],
 151                 addr.ether_addr_octet[5]);
 152         cbp.addr.bv_val = cbp.buf;,
 153         Debug(LDAP_DEBUG_TRACE,"nssov_ether_byether(%s)\n",cbp.addr.bv_val,0,0);,
 154         NSLCD_ACTION_ETHER_BYETHER,
 155         nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
 156 )
 157
 158 NSSOV_HANDLE(
 159         ether,all,
 160         struct berval filter;
 161         /* no parameters to read */
 162         BER_BVZERO(&cbp.name);
 163         BER_BVZERO(&cbp.addr);,
 164         Debug(LDAP_DEBUG_TRACE,"nssov_ether_all()\n",0,0,0);,
 165         NSLCD_ACTION_ETHER_ALL,
 166         (filter=cbp.mi->mi_filter,0)
 167 )