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

   1 /* ether.c - ethernet address lookup routines */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 2008 by Howard Chu, Symas Corp.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /*
  16  * This code references portions of the nss-ldapd package
  17  * written by Arthur de Jong. The nss-ldapd code was forked
  18  * from the nss-ldap library written by Luke Howard.
  19  */
  20
  21 #include "nssov.h"
  22
  23 struct ether_addr {
  24   uint8_t ether_addr_octet[6];
  25 };
  26
  27 /* ( nisSchema.2.11 NAME 'ieee802Device' SUP top AUXILIARY
  28  *   DESC 'A device with a MAC address; device SHOULD be
  29  *         used as a structural class'
  30  *   MAY macAddress )
  31  */
  32
  33 /* the basic search filter for searches */
  34 static struct berval ether_filter = BER_BVC("(objectClass=ieee802Device)");
  35
  36 /* the attributes to request with searches */
  37 static struct berval ether_keys[] = {
  38         BER_BVC("cn"),
  39         BER_BVC("macAddress"),
  40         BER_BVNULL
  41 };
  42
  43 NSSOV_INIT(ether)
  44
  45 NSSOV_CBPRIV(ether,
  46         char buf[256];
  47         struct berval name;
  48         struct berval addr;);
  49
  50 #define WRITE_ETHER(fp,addr) \
  51   {int ao[6]; \
  52   sscanf(addr.bv_val,"%02x:%02x:%02x:%02x:%02x:%02x", \
  53         &ao[0], &ao[1], &ao[2], &ao[3], &ao[4], &ao[5] );\
  54         tmpaddr.ether_addr_octet[0] = ao[0]; \
  55         tmpaddr.ether_addr_octet[1] = ao[1]; \
  56         tmpaddr.ether_addr_octet[2] = ao[2]; \
  57         tmpaddr.ether_addr_octet[3] = ao[3]; \
  58         tmpaddr.ether_addr_octet[4] = ao[4]; \
  59         tmpaddr.ether_addr_octet[5] = ao[5]; } \
  60   WRITE_TYPE(fp,tmpaddr,uint8_t[6]);
  61
  62 static int write_ether(nssov_ether_cbp *cbp,Entry *entry)
  63 {
  64         int32_t tmpint32;
  65         struct ether_addr tmpaddr;
  66         struct berval tmparr[2], empty;
  67         struct berval *names,*ethers;
  68         Attribute *a;
  69         int i,j;
  70
  71         /* get the name of the ether entry */
  72         if (BER_BVISNULL(&cbp->name))
  73         {
  74                 a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[0].an_desc);
  75                 if ( !a )
  76                 {
  77                         Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value",
  78                                                         entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0 );
  79                         return 0;
  80                 }
  81                 names = a->a_vals;
  82         }
  83         else
  84         {
  85                 names=tmparr;
  86                 names[0]=cbp->name;
  87                 BER_BVZERO(&names[1]);
  88         }
  89         /* get the addresses */
  90         if (BER_BVISNULL(&cbp->addr))
  91         {
  92                 a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[1].an_desc);
  93                 if ( !a )
  94                 {
  95                         Debug(LDAP_DEBUG_ANY,"ether entry %s does not contain %s value",
  96                                                         entry->e_name.bv_val,cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val,0 );
  97                         return 0;
  98                 }
  99                 ethers = a->a_vals;
 100                 /* TODO: move parsing of addresses up here */
 101         }
 102         else
 103         {
 104                 ethers=tmparr;
 105                 ethers[0]=cbp->addr;
 106                 BER_BVZERO(&ethers[1]);
 107         }
 108         /* write entries for all names and addresses */
 109         for (i=0;!BER_BVISNULL(&names[i]);i++)
 110                 for (j=0;!BER_BVISNULL(&ethers[j]);j++)
 111                 {
 112                         WRITE_INT32(cbp->fp,NSLCD_RESULT_SUCCESS);
 113                         WRITE_BERVAL(cbp->fp,&names[i]);
 114                         WRITE_ETHER(cbp->fp,ethers[j]);
 115                 }
 116         return 0;
 117 }
 118
 119 NSSOV_CB(ether)
 120
 121 NSSOV_HANDLE(
 122         ether,byname,
 123         char fbuf[1024];
 124         struct berval filter = {sizeof(fbuf)};
 125         filter.bv_val = fbuf;
 126         BER_BVZERO(&cbp.addr);
 127         READ_STRING_BUF2(fp,cbp.buf,sizeof(cbp.buf));
 128         cbp.name.bv_len = tmpint32;
 129         cbp.name.bv_val = cbp.buf;,
 130         Debug(LDAP_DEBUG_TRACE,"nssov_ether_byname(%s)",cbp.name.bv_val,0,0);,
 131         NSLCD_ACTION_ETHER_BYNAME,
 132         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
 133 )
 134
 135 NSSOV_HANDLE(
 136         ether,byether,
 137         struct ether_addr addr;
 138         char fbuf[1024];
 139         struct berval filter = {sizeof(fbuf)};
 140         filter.bv_val = fbuf;
 141         BER_BVZERO(&cbp.name);
 142         READ_TYPE(fp,addr,uint8_t[6]);
 143         cbp.addr.bv_len = snprintf(cbp.buf,sizeof(cbp.buf), "%x:%x:%x:%x:%x:%x",
 144                 addr.ether_addr_octet[0],
 145                 addr.ether_addr_octet[1],
 146                 addr.ether_addr_octet[2],
 147                 addr.ether_addr_octet[3],
 148                 addr.ether_addr_octet[4],
 149                 addr.ether_addr_octet[5]);
 150         cbp.addr.bv_val = cbp.buf;,
 151         Debug(LDAP_DEBUG_TRACE,"nssov_ether_byether(%s)",cbp.addr.bv_val,0,0);,
 152         NSLCD_ACTION_ETHER_BYETHER,
 153         nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
 154 )
 155
 156 NSSOV_HANDLE(
 157         ether,all,
 158         struct berval filter;
 159         /* no parameters to read */
 160         BER_BVZERO(&cbp.name);
 161         BER_BVZERO(&cbp.addr);,
 162         Debug(LDAP_DEBUG_TRACE,"nssov_ether_all()",0,0,0);,
 163         NSLCD_ACTION_ETHER_ALL,
 164         (filter=cbp.mi->mi_filter,0)
 165 )