1/* rpc.c - rpc 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/* ( nisSchema.2.5 NAME 'oncRpc' SUP top STRUCTURAL 26 * DESC 'Abstraction of an Open Network Computing (ONC) 27 * [RFC1057] Remote Procedure Call (RPC) binding. 28 * This class maps an ONC RPC number to a name. 29 * The distinguished value of the cn attribute denotes 30 * the RPC service's canonical name' 31 * MUST ( cn $ oncRpcNumber ) 32 * MAY description ) 33 */ 34 35/* the basic search filter for searches */ 36static struct berval rpc_filter = BER_BVC("(objectClass=oncRpc)"); 37 38/* the attributes to request with searches */ 39static struct berval rpc_keys[] = { 40 BER_BVC("cn"), 41 BER_BVC("oncRpcNumber"), 42 BER_BVNULL 43}; 44 45NSSOV_INIT(rpc) 46 47NSSOV_CBPRIV(rpc, 48 char buf[256]; 49 struct berval name; 50 struct berval numb;); 51 52/* write a single rpc entry to the stream */ 53static int write_rpc(nssov_rpc_cbp *cbp,Entry *entry) 54{ 55 int32_t tmpint32,tmp2int32,tmp3int32; 56 int i,numname,dupname,number; 57 struct berval name,*names; 58 Attribute *a; 59 char *tmp; 60 61 /* get the most canonical name */ 62 nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name ); 63 /* get the other names for the rpc */ 64 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc ); 65 if ( !a || !a->a_vals ) 66 { 67 Debug(LDAP_DEBUG_ANY,"rpc entry %s does not contain %s value\n", 68 entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val, 0 ); 69 return 0; 70 } 71 names = a->a_vals; 72 numname = a->a_numvals; 73 /* if the name is not yet found, get the first entry from names */ 74 if (BER_BVISNULL(&name)) { 75 name=names[0]; 76 dupname = 0; 77 } else { 78 dupname = -1; 79 for (i=0; i<numname; i++) { 80 if ( bvmatch(&name, &a->a_nvals[i])) { 81 dupname = i; 82 break; 83 } 84 } 85 } 86 /* get the rpc number */ 87 a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc ); 88 if ( !a || !a->a_vals ) 89 { 90 Debug(LDAP_DEBUG_ANY,"rpc entry %s does not contain %s value\n", 91 entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); 92 return 0; 93 } else if ( a->a_numvals > 1 ) { 94 Debug(LDAP_DEBUG_ANY,"rpc entry %s contains multiple %s values\n", 95 entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); 96 } 97 number=(int)strtol(a->a_vals[0].bv_val,&tmp,0); 98 if (*tmp) 99 { 100 Debug(LDAP_DEBUG_ANY,"rpc entry %s contains non-numeric %s value\n", 101 entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); 102 return 0; 103 } 104 /* write the entry */ 105 WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN); 106 WRITE_BERVAL(cbp->fp,&name); 107 if ( dupname >= 0 ) { 108 WRITE_INT32(cbp->fp,numname-1); 109 } else { 110 WRITE_INT32(cbp->fp,numname); 111 } 112 for (i=0;i<numname;i++) { 113 if (i == dupname) continue; 114 WRITE_BERVAL(cbp->fp,&names[i]); 115 } 116 WRITE_INT32(cbp->fp,number); 117 return 0; 118} 119 120NSSOV_CB(rpc) 121 122NSSOV_HANDLE( 123 rpc,byname, 124 char fbuf[1024]; 125 struct berval filter = {sizeof(fbuf)}; 126 filter.bv_val = fbuf; 127 BER_BVZERO(&cbp.numb); 128 READ_STRING(fp,cbp.buf); 129 cbp.name.bv_len = tmpint32; 130 cbp.name.bv_val = cbp.buf;, 131 Debug(LDAP_DEBUG_TRACE,"nssov_rpc_byname(%s)\n",cbp.name.bv_val,0,0);, 132 NSLCD_ACTION_RPC_BYNAME, 133 nssov_filter_byname(cbp.mi,0,&cbp.name,&filter) 134) 135 136NSSOV_HANDLE( 137 rpc,bynumber, 138 int number; 139 char fbuf[1024]; 140 struct berval filter = {sizeof(fbuf)}; 141 filter.bv_val = fbuf; 142 READ_INT32(fp,number); 143 cbp.numb.bv_val = cbp.buf; 144 cbp.numb.bv_len = snprintf(cbp.buf,sizeof(cbp.buf),"%d",number); 145 BER_BVZERO(&cbp.name);, 146 Debug(LDAP_DEBUG_TRACE,"nssov_rpc_bynumber(%s)\n",cbp.numb.bv_val,0,0);, 147 NSLCD_ACTION_RPC_BYNUMBER, 148 nssov_filter_byid(cbp.mi,1,&cbp.numb,&filter) 149) 150 151NSSOV_HANDLE( 152 rpc,all, 153 struct berval filter; 154 /* no parameters to read */, 155 Debug(LDAP_DEBUG_TRACE,"nssov_rpc_all()\n",0,0,0);, 156 NSLCD_ACTION_RPC_ALL, 157 (filter=cbp.mi->mi_filter,0) 158) 159