1/* network.c - network address lookup routines */ 2/* $OpenLDAP$ */ 3/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 4 * 5 * Copyright 2008-2011 The OpenLDAP Foundation. 6 * Portions 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#include <ac/socket.h> 26 27/* ( nisSchema.2.7 NAME 'ipNetwork' SUP top STRUCTURAL 28 * DESC 'Abstraction of a network. The distinguished value of 29 * MUST ( cn $ ipNetworkNumber ) 30 * MAY ( ipNetmaskNumber $ l $ description $ manager ) ) 31 */ 32 33/* the basic search filter for searches */ 34static struct berval network_filter = BER_BVC("(objectClass=ipNetwork)"); 35 36/* the attributes used in searches */ 37static struct berval network_keys[] = { 38 BER_BVC("cn"), 39 BER_BVC("ipNetworkNumber"), 40 BER_BVNULL 41}; 42 43NSSOV_INIT(network) 44 45NSSOV_CBPRIV(network, 46 char buf[1024]; 47 struct berval name; 48 struct berval addr;); 49 50/* write a single network entry to the stream */ 51static int write_network(nssov_network_cbp *cbp,Entry *entry) 52{ 53 int32_t tmpint32,tmp2int32,tmp3int32; 54 int numaddr,i,numname,dupname; 55 struct berval name, *names, *addrs; 56 Attribute *a; 57 58 /* get the most canonical name */ 59 nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name); 60 /* get the other names for the network */ 61 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc ); 62 if ( !a || !a->a_vals ) 63 { 64 Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value\n", 65 entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val,0); 66 return 0; 67 } 68 names = a->a_vals; 69 numname = a->a_numvals; 70 /* if the name is not yet found, get the first entry from names */ 71 if (BER_BVISNULL(&name)) { 72 name=names[0]; 73 dupname = 0; 74 } else { 75 dupname = -1; 76 for (i=0; i<numname; i++) { 77 if ( bvmatch(&name, &a->a_nvals[i])) { 78 dupname = i; 79 break; 80 } 81 } 82 } 83 /* get the addresses */ 84 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc ); 85 if ( !a || !a->a_vals ) 86 { 87 Debug(LDAP_DEBUG_ANY,"network entry %s does not contain %s value\n", 88 entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); 89 return 0; 90 } 91 addrs = a->a_vals; 92 numaddr = a->a_numvals; 93 /* write the entry */ 94 WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN); 95 WRITE_BERVAL(cbp->fp,&name); 96 if ( dupname >= 0 ) { 97 WRITE_INT32(cbp->fp,numname-1); 98 } else { 99 WRITE_INT32(cbp->fp,numname); 100 } 101 for (i=0;i<numname;i++) { 102 if (i == dupname) continue; 103 WRITE_BERVAL(cbp->fp,&names[i]); 104 } 105 WRITE_INT32(cbp->fp,numaddr); 106 for (i=0;i<numaddr;i++) 107 { 108 WRITE_ADDRESS(cbp->fp,&addrs[i]); 109 } 110 return 0; 111} 112 113NSSOV_CB(network) 114 115NSSOV_HANDLE( 116 network,byname, 117 char fbuf[1024]; 118 struct berval filter = {sizeof(fbuf)}; 119 filter.bv_val = fbuf; 120 BER_BVZERO(&cbp.addr); 121 READ_STRING(fp,cbp.buf); 122 cbp.name.bv_len = tmpint32; 123 cbp.name.bv_val = cbp.buf;, 124 Debug(LDAP_DEBUG_TRACE,"nssov_network_byname(%s)\n",cbp.name.bv_val,0,0);, 125 NSLCD_ACTION_NETWORK_BYNAME, 126 nssov_filter_byname(cbp.mi,0,&cbp.name,&filter) 127) 128 129NSSOV_HANDLE( 130 network,byaddr, 131 int af; 132 char addr[64]; 133 int len=sizeof(addr); 134 char fbuf[1024]; 135 struct berval filter = {sizeof(fbuf)}; 136 filter.bv_val = fbuf; 137 BER_BVZERO(&cbp.name); 138 READ_ADDRESS(fp,addr,len,af); 139 /* translate the address to a string */ 140 if (inet_ntop(af,addr,cbp.buf,sizeof(cbp.buf))==NULL) 141 { 142 Debug(LDAP_DEBUG_ANY,"nssov: unable to convert address to string\n",0,0,0); 143 return -1; 144 } 145 cbp.addr.bv_val = cbp.buf; 146 cbp.addr.bv_len = strlen(cbp.buf);, 147 Debug(LDAP_DEBUG_TRACE,"nslcd_network_byaddr(%s)\n",cbp.addr.bv_val,0,0);, 148 NSLCD_ACTION_NETWORK_BYADDR, 149 nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter) 150) 151 152NSSOV_HANDLE( 153 network,all, 154 struct berval filter; 155 /* no parameters to read */ 156 BER_BVZERO(&cbp.name); 157 BER_BVZERO(&cbp.addr);, 158 Debug(LDAP_DEBUG_TRACE,"nssov_network_all()\n",0,0,0);, 159 NSLCD_ACTION_NETWORK_ALL, 160 (filter=cbp.mi->mi_filter,0) 161) 162