1 /* $NetBSD: host.c,v 1.1.1.3 2010/12/12 15:19:08 adam Exp $ */ 2 3 /* host.c - host lookup routines */ 4 /* OpenLDAP: pkg/ldap/contrib/slapd-modules/nssov/host.c,v 1.1.2.6 2010/04/15 21:32:56 quanah Exp */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 2008-2010 The OpenLDAP Foundation. 8 * Portions Copyright 2008 by Howard Chu, Symas Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted only as authorized by the OpenLDAP 13 * Public License. 14 * 15 * A copy of this license is available in the file LICENSE in the 16 * top-level directory of the distribution or, alternatively, at 17 * <http://www.OpenLDAP.org/license.html>. 18 */ 19 /* ACKNOWLEDGEMENTS: 20 * This code references portions of the nss-ldapd package 21 * written by Arthur de Jong. The nss-ldapd code was forked 22 * from the nss-ldap library written by Luke Howard. 23 */ 24 25 #include "nssov.h" 26 27 /* ( nisSchema.2.6 NAME 'ipHost' SUP top AUXILIARY 28 * DESC 'Abstraction of a host, an IP device. The distinguished 29 * value of the cn attribute denotes the host's canonical 30 * name. Device SHOULD be used as a structural class' 31 * MUST ( cn $ ipHostNumber ) 32 * MAY ( l $ description $ manager ) ) 33 */ 34 35 /* the basic search filter for searches */ 36 static struct berval host_filter = BER_BVC("(objectClass=ipHost)"); 37 38 /* the attributes to request with searches */ 39 static struct berval host_keys[] = { 40 BER_BVC("cn"), 41 BER_BVC("ipHostNumber"), 42 BER_BVNULL 43 }; 44 45 NSSOV_INIT(host) 46 47 NSSOV_CBPRIV(host, 48 char buf[1024]; 49 struct berval name; 50 struct berval addr;); 51 52 /* write a single host entry to the stream */ 53 static int write_host(nssov_host_cbp *cbp,Entry *entry) 54 { 55 int32_t tmpint32,tmp2int32,tmp3int32; 56 int numaddr,i,numname,dupname; 57 struct berval name,*names,*addrs; 58 Attribute *a; 59 60 /* get the most canonical name */ 61 nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name ); 62 /* get the other names for the host */ 63 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc ); 64 if ( !a || !a->a_vals ) 65 { 66 Debug(LDAP_DEBUG_ANY,"host entry %s does not contain %s value\n", 67 entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val, 0 ); 68 return 0; 69 } 70 names = a->a_vals; 71 numname = a->a_numvals; 72 /* if the name is not yet found, get the first entry from names */ 73 if (BER_BVISNULL(&name)) { 74 name=names[0]; 75 dupname = 0; 76 } else { 77 dupname = -1; 78 for (i=0; i<numname; i++) { 79 if ( bvmatch(&name, &a->a_nvals[i])) { 80 dupname = i; 81 break; 82 } 83 } 84 } 85 /* get the addresses */ 86 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc ); 87 if ( !a || !a->a_vals ) 88 { 89 Debug(LDAP_DEBUG_ANY,"host entry %s does not contain %s value\n", 90 entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); 91 return 0; 92 } 93 addrs = a->a_vals; 94 numaddr = a->a_numvals; 95 /* write the entry */ 96 WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN); 97 WRITE_BERVAL(cbp->fp,&name); 98 if ( dupname >= 0 ) { 99 WRITE_INT32(cbp->fp,numname-1); 100 } else { 101 WRITE_INT32(cbp->fp,numname); 102 } 103 for (i=0;i<numname;i++) { 104 if (i == dupname) continue; 105 WRITE_BERVAL(cbp->fp,&names[i]); 106 } 107 WRITE_INT32(cbp->fp,numaddr); 108 for (i=0;i<numaddr;i++) 109 { 110 WRITE_ADDRESS(cbp->fp,&addrs[i]); 111 } 112 return 0; 113 } 114 115 NSSOV_CB(host) 116 117 NSSOV_HANDLE( 118 host,byname, 119 char fbuf[1024]; 120 struct berval filter = {sizeof(fbuf)}; 121 filter.bv_val = fbuf; 122 BER_BVZERO(&cbp.addr); 123 READ_STRING(fp,cbp.buf); 124 cbp.name.bv_len = tmpint32; 125 cbp.name.bv_val = cbp.buf;, 126 Debug(LDAP_DEBUG_TRACE,"nssov_host_byname(%s)\n",cbp.name.bv_val,0,0);, 127 NSLCD_ACTION_HOST_BYNAME, 128 nssov_filter_byname(cbp.mi,0,&cbp.name,&filter) 129 ) 130 131 NSSOV_HANDLE( 132 host,byaddr, 133 int af; 134 char addr[64]; 135 int len=sizeof(addr); 136 char fbuf[1024]; 137 struct berval filter = {sizeof(fbuf)}; 138 filter.bv_val = fbuf; 139 BER_BVZERO(&cbp.name); 140 READ_ADDRESS(fp,addr,len,af); 141 /* translate the address to a string */ 142 if (inet_ntop(af,addr,cbp.buf,sizeof(cbp.buf))==NULL) 143 { 144 Debug(LDAP_DEBUG_ANY,"nssov: unable to convert address to string\n",0,0,0); 145 return -1; 146 } 147 cbp.addr.bv_val = cbp.buf; 148 cbp.addr.bv_len = strlen(cbp.buf);, 149 Debug(LDAP_DEBUG_TRACE,"nssov_host_byaddr(%s)\n",cbp.addr.bv_val,0,0);, 150 NSLCD_ACTION_HOST_BYADDR, 151 nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter) 152 ) 153 154 NSSOV_HANDLE( 155 host,all, 156 struct berval filter; 157 /* no parameters to read */ 158 BER_BVZERO(&cbp.name); 159 BER_BVZERO(&cbp.addr);, 160 Debug(LDAP_DEBUG_TRACE,"nssov_host_all()\n",0,0,0);, 161 NSLCD_ACTION_HOST_ALL, 162 (filter=cbp.mi->mi_filter,0) 163 ) 164