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

   1 /* network.c - network 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 #include <ac/socket.h>
  24
  25 /* ( nisSchema.2.7 NAME 'ipNetwork' SUP top STRUCTURAL
  26  *   DESC 'Abstraction of a network. The distinguished value of
  27  *   MUST ( cn $ ipNetworkNumber )
  28  *   MAY ( ipNetmaskNumber $ l $ description $ manager ) )
  29  */
  30
  31 /* the basic search filter for searches */
  32 static struct berval network_filter = BER_BVC("(objectClass=ipNetwork)");
  33
  34 /* the attributes used in searches */
  35 static struct berval network_keys[] = {
  36         BER_BVC("cn"),
  37         BER_BVC("ipNetworkNumber"),
  38         BER_BVNULL
  39 };
  40
  41 NSSOV_INIT(network)
  42
  43 NSSOV_CBPRIV(network,
  44         char buf[1024];
  45         struct berval name;
  46         struct berval addr;);
  47
  48 /* write a single network entry to the stream */
  49 static int write_network(nssov_network_cbp *cbp,Entry *entry)
  50 {
  51         int32_t tmpint32,tmp2int32,tmp3int32;
  52         int numaddr,i,numname,dupname;
  53         struct berval name, *names, *addrs;
  54         Attribute *a;
  55
  56         /* get the most canonical name */
  57         nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name);
  58         /* get the other names for the network */
  59         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc );
  60         if ( !a || !a->a_vals )
  61         {
  62                 Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value",
  63                         entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0);
  64                 return 0;
  65         }
  66         names = a->a_vals;
  67         numname = a->a_numvals;
  68         /* if the name is not yet found, get the first entry from names */
  69         if (BER_BVISNULL(&name)) {
  70                 name=names[0];
  71                 dupname = 0;
  72         } else {
  73                 dupname = -1;
  74         for (i=0; i<numname; i++) {
  75             if ( ber_bvmatch(&name, &a->a_nvals[i])) {
  76                 dupname = i;
  77                 break;
  78             }
  79         }
  80         }
  81         /* get the addresses */
  82         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc );
  83         if ( !a || !a->a_vals )
  84         {
  85                 Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value",
  86                         entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
  87                 return 0;
  88         }
  89         addrs = a->a_vals;
  90         numaddr = a->a_numvals;
  91         /* write the entry */
  92         WRITE_INT32(cbp->fp,NSLCD_RESULT_SUCCESS);
  93         WRITE_BERVAL(cbp->fp,&name);
  94         if ( dupname >= 0 ) {
  95                 WRITE_INT32(cbp->fp,numname-1);
  96         } else {
  97                 WRITE_INT32(cbp->fp,numname);
  98         }
  99         for (i=0;i<numname;i++) {
 100                 if (i == dupname) continue;
 101                 WRITE_BERVAL(cbp->fp,&names[i]);
 102         }
 103         WRITE_INT32(cbp->fp,numaddr);
 104         for (i=0;i<numaddr;i++)
 105         {
 106                 WRITE_ADDRESS(cbp->fp,&addrs[i]);
 107         }
 108         return 0;
 109 }
 110
 111 NSSOV_CB(network)
 112
 113 NSSOV_HANDLE(
 114         network,byname,
 115         char fbuf[1024];
 116         struct berval filter = {sizeof(fbuf)};
 117         filter.bv_val = fbuf;
 118         BER_BVZERO(&cbp.addr);
 119         READ_STRING_BUF2(fp,cbp.buf,sizeof(cbp.buf));
 120         cbp.name.bv_len = tmpint32;
 121         cbp.name.bv_val = cbp.buf;,
 122         Debug(LDAP_DEBUG_TRACE,"nssov_network_byname(%s)",cbp.name.bv_val,0,0);,
 123         NSLCD_ACTION_NETWORK_BYNAME,
 124         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
 125 )
 126
 127 NSSOV_HANDLE(
 128         network,byaddr,
 129         int af;
 130         char addr[64];
 131         int len=sizeof(addr);
 132         char fbuf[1024];
 133         struct berval filter = {sizeof(fbuf)};
 134         filter.bv_val = fbuf;
 135         BER_BVZERO(&cbp.name);
 136         READ_ADDRESS(fp,addr,len,af);
 137         /* translate the address to a string */
 138         if (inet_ntop(af,addr,cbp.buf,sizeof(cbp.buf))==NULL)
 139         {
 140                 Debug(LDAP_DEBUG_ANY,"nssov: unable to convert address to string",0,0,0);
 141                 return -1;
 142         }
 143         cbp.addr.bv_val = cbp.buf;
 144         cbp.addr.bv_len = strlen(cbp.buf);,
 145         Debug(LDAP_DEBUG_TRACE,"nslcd_network_byaddr(%s)",cbp.addr.bv_val,0,0);,
 146         NSLCD_ACTION_NETWORK_BYADDR,
 147         nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
 148 )
 149
 150 NSSOV_HANDLE(
 151         network,all,
 152         struct berval filter;
 153         /* no parameters to read */
 154         BER_BVZERO(&cbp.name);
 155         BER_BVZERO(&cbp.addr);,
 156         Debug(LDAP_DEBUG_TRACE,"nssov_network_all()",0,0,0);,
 157         NSLCD_ACTION_NETWORK_ALL,
 158         (filter=cbp.mi->mi_filter,0)
 159 )