/* $NetBSD: service.c,v 1.1.1.6.6.1 2019/08/10 06:17:10 martin Exp $ */ /* service.c - service lookup routines */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2008-2019 The OpenLDAP Foundation. * Portions Copyright 2008 by Howard Chu, Symas Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ /* ACKNOWLEDGEMENTS: * This code references portions of the nss-ldapd package * written by Arthur de Jong. The nss-ldapd code was forked * from the nss-ldap library written by Luke Howard. */ #include "nssov.h" /* ( nisSchema.2.3 NAME 'ipService' SUP top STRUCTURAL * DESC 'Abstraction an Internet Protocol service. * Maps an IP port and protocol (such as tcp or udp) * to one or more names; the distinguished value of * the cn attribute denotes the service's canonical * name' * MUST ( cn $ ipServicePort $ ipServiceProtocol ) * MAY ( description ) ) */ /* the basic search filter for searches */ static struct berval service_filter = BER_BVC("(objectClass=ipService)"); /* the attributes to request with searches */ static struct berval service_keys[] = { BER_BVC("cn"), BER_BVC("ipServicePort"), BER_BVC("ipServiceProtocol"), BER_BVNULL }; static int mkfilter_service_byname(nssov_mapinfo *mi,struct berval *name, struct berval *protocol,struct berval *buf) { char buf2[1024],buf3[1024]; struct berval bv2 = {sizeof(buf2),buf2}; struct berval bv3 = {sizeof(buf3),buf3}; /* escape attributes */ if (nssov_escape(name,&bv2)) return -1; if (!BER_BVISNULL(protocol)) { if (nssov_escape(protocol,&bv3)) return -1; if (bv2.bv_len + mi->mi_filter.bv_len + mi->mi_attrs[0].an_desc->ad_cname.bv_len + bv3.bv_len + mi->mi_attrs[2].an_desc->ad_cname.bv_len + 9 > buf->bv_len ) return -1; buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s)(%s=%s))", mi->mi_filter.bv_val, mi->mi_attrs[0].an_desc->ad_cname.bv_val, bv2.bv_val, mi->mi_attrs[2].an_desc->ad_cname.bv_val, bv3.bv_val ); } else { if (bv2.bv_len + mi->mi_filter.bv_len + mi->mi_attrs[0].an_desc->ad_cname.bv_len + 6 > buf->bv_len ) return -1; buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s))", mi->mi_filter.bv_val, mi->mi_attrs[0].an_desc->ad_cname.bv_val, bv2.bv_val ); } return 0; } static int mkfilter_service_bynumber(nssov_mapinfo *mi,struct berval *numb, struct berval *protocol,struct berval *buf) { char buf2[1024]; struct berval bv2 = {sizeof(buf2),buf2}; /* escape attribute */ if (!BER_BVISNULL(protocol)) { if (nssov_escape(protocol,&bv2)) return -1; if (numb->bv_len + mi->mi_filter.bv_len + mi->mi_attrs[1].an_desc->ad_cname.bv_len + bv2.bv_len + mi->mi_attrs[2].an_desc->ad_cname.bv_len + 9 > buf->bv_len ) return -1; buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s)(%s=%s))", mi->mi_filter.bv_val, mi->mi_attrs[1].an_desc->ad_cname.bv_val, numb->bv_val, mi->mi_attrs[2].an_desc->ad_cname.bv_val, bv2.bv_val ); } else { if (numb->bv_len + mi->mi_filter.bv_len + mi->mi_attrs[1].an_desc->ad_cname.bv_len + 6 > buf->bv_len ) return -1; buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s))", mi->mi_filter.bv_val, mi->mi_attrs[1].an_desc->ad_cname.bv_val, numb->bv_val ); } return 0; } NSSOV_INIT(service) NSSOV_CBPRIV(service, char nbuf[256]; char pbuf[256]; struct berval name; struct berval prot;); static int write_service(nssov_service_cbp *cbp,Entry *entry) { int32_t tmpint32; struct berval name,*names,*protos; struct berval tmparr[2]; Attribute *a; char *tmp; int port; int i,numname,dupname,numprot; /* get the most canonical name */ nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name ); /* get the other names for the rpc */ a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc ); if ( !a || !a->a_vals ) { Debug(LDAP_DEBUG_ANY,"service entry %s does not contain %s value\n", entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val, 0 ); return 0; } names = a->a_vals; numname = a->a_numvals; /* if the name is not yet found, get the first entry from names */ if (BER_BVISNULL(&name)) { name=names[0]; dupname = 0; } else { dupname = -1; for (i=0; ia_nvals[i])) { dupname = i; break; } } } /* get the service number */ a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc ); if ( !a || !a->a_vals ) { Debug(LDAP_DEBUG_ANY,"service entry %s does not contain %s value\n", entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); return 0; } else if ( a->a_numvals > 1 ) { Debug(LDAP_DEBUG_ANY,"service entry %s contains multiple %s values\n", entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); } port=(int)strtol(a->a_vals[0].bv_val,&tmp,0); if (*tmp) { Debug(LDAP_DEBUG_ANY,"service entry %s contains non-numeric %s value\n", entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 ); return 0; } /* get protocols */ if (BER_BVISNULL(&cbp->prot)) { a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[2].an_desc ); if ( !a || !a->a_vals ) { Debug(LDAP_DEBUG_ANY,"service entry %s does not contain %s value\n", entry->e_name.bv_val, cbp->mi->mi_attrs[2].an_desc->ad_cname.bv_val, 0 ); return 0; } protos = a->a_vals; numprot = a->a_numvals; } else { protos=tmparr; protos[0]=cbp->prot; BER_BVZERO(&protos[1]); numprot = 1; } /* write the entries */ for (i=0;ifp,NSLCD_RESULT_BEGIN); WRITE_BERVAL(cbp->fp,&name); if ( dupname >= 0 ) { WRITE_INT32(cbp->fp,numname-1); } else { WRITE_INT32(cbp->fp,numname); } for (j=0;jfp,&names[j]); } WRITE_INT32(cbp->fp,port); WRITE_BERVAL(cbp->fp,&protos[i]); } return 0; } NSSOV_CB(service) NSSOV_HANDLE( service,byname, char fbuf[1024]; struct berval filter = {sizeof(fbuf)}; filter.bv_val = fbuf; READ_STRING(fp,cbp.nbuf); cbp.name.bv_len = tmpint32; cbp.name.bv_val = cbp.nbuf; READ_STRING(fp,cbp.pbuf); cbp.prot.bv_len = tmpint32; cbp.prot.bv_val = tmpint32 ? cbp.pbuf : NULL;, Debug(LDAP_DEBUG_TRACE,"nssov_service_byname(%s,%s)\n",cbp.name.bv_val,cbp.prot.bv_val ? cbp.prot.bv_val : "",0);, NSLCD_ACTION_SERVICE_BYNAME, mkfilter_service_byname(cbp.mi,&cbp.name,&cbp.prot,&filter) ) NSSOV_HANDLE( service,bynumber, int number; char fbuf[1024]; struct berval filter = {sizeof(fbuf)}; filter.bv_val = fbuf; READ_INT32(fp,number); cbp.name.bv_val = cbp.nbuf; cbp.name.bv_len = snprintf(cbp.nbuf,sizeof(cbp.nbuf),"%d",number); READ_STRING(fp,cbp.pbuf); cbp.prot.bv_len = tmpint32; cbp.prot.bv_val = tmpint32 ? cbp.pbuf : NULL;, Debug(LDAP_DEBUG_TRACE,"nssov_service_bynumber(%s,%s)\n",cbp.name.bv_val,cbp.prot.bv_val,0);, NSLCD_ACTION_SERVICE_BYNUMBER, mkfilter_service_bynumber(cbp.mi,&cbp.name,&cbp.prot,&filter) ) NSSOV_HANDLE( service,all, struct berval filter; /* no parameters to read */ BER_BVZERO(&cbp.prot);, Debug(LDAP_DEBUG_TRACE,"nssov_service_all()\n",0,0,0);, NSLCD_ACTION_SERVICE_ALL, (filter=cbp.mi->mi_filter,0) )