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/*
rpc.c - rpc name lookup routines
This file was part of the nss_ldap library (as ldap-rpc.c) which
has been forked into the nss-ldapd library.
Copyright (C) 1997-2005 Luke Howard
Copyright (C) 2006 West Consulting
Copyright (C) 2006, 2007 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
Determine the canonical name of the RPC with _nss_ldap_getrdnvalue(),
and assign any values of "cn" which do NOT match this canonical name
as aliases.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_RPC_RPCENT_H
#include <rpc/rpcent.h>
#else
#include <netdb.h>
#endif
#ifdef HAVE_LBER_H
#include <lber.h>
#endif
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#if defined(HAVE_THREAD_H)
#include <thread.h>
#elif defined(HAVE_PTHREAD_H)
#include <pthread.h>
#endif
#include "ldap-nss.h"
#include "common.h"
#include "log.h"
#include "attmap.h"
/* ( nisSchema.2.5 NAME 'oncRpc' SUP top STRUCTURAL
* DESC 'Abstraction of an Open Network Computing (ONC)
* [RFC1057] Remote Procedure Call (RPC) binding.
* This class maps an ONC RPC number to a name.
* The distinguished value of the cn attribute denotes
* the RPC service's canonical name'
* MUST ( cn $ oncRpcNumber )
* MAY description )
*/
/* the search base for searches */
const char *rpc_base = NULL;
/* the search scope for searches */
int rpc_scope = LDAP_SCOPE_DEFAULT;
/* the basic search filter for searches */
const char *rpc_filter = "(objectClass=oncRpc)";
/* the attributes to request with searches */
const char *attmap_rpc_cn = "cn";
const char *attmap_rpc_oncRpcNumber = "oncRpcNumber";
/* the attribute list to request with searches */
static const char *rpc_attrs[3];
static int mkfilter_rpc_byname(const char *name,
char *buffer,size_t buflen)
{
char buf2[1024];
/* escape attribute */
if (myldap_escape(name,buf2,sizeof(buf2)))
return -1;
/* build filter */
return mysnprintf(buffer,buflen,
"(&%s(%s=%s))",
rpc_filter,
attmap_rpc_cn,buf2);
}
static int mkfilter_rpc_bynumber(int number,
char *buffer,size_t buflen)
{
return mysnprintf(buffer,buflen,
"(&%s(%s=%d))",
rpc_filter,
attmap_rpc_oncRpcNumber,number);
}
static void rpc_init(void)
{
/* set up base */
if (rpc_base==NULL)
rpc_base=nslcd_cfg->ldc_base;
/* set up scope */
if (rpc_scope==LDAP_SCOPE_DEFAULT)
rpc_scope=nslcd_cfg->ldc_scope;
/* set up attribute list */
rpc_attrs[0]=attmap_rpc_cn;
rpc_attrs[1]=attmap_rpc_oncRpcNumber;
rpc_attrs[2]=NULL;
}
static enum nss_status _nss_ldap_parse_rpc(
MYLDAP_ENTRY *entry,
struct rpcent *rpc,char *buffer,size_t buflen)
{
char *number;
enum nss_status stat;
stat=_nss_ldap_getrdnvalue(entry,attmap_rpc_cn,&rpc->r_name,&buffer,&buflen);
if (stat != NSS_STATUS_SUCCESS)
return stat;
stat=_nss_ldap_assign_attrval(entry,attmap_rpc_oncRpcNumber,&number,&buffer,&buflen);
if (stat != NSS_STATUS_SUCCESS)
return stat;
rpc->r_number = atol (number);
stat=_nss_ldap_assign_attrvals(entry,attmap_rpc_cn,rpc->r_name,&rpc->r_aliases,&buffer,&buflen,NULL);
if (stat != NSS_STATUS_SUCCESS)
return stat;
return NSS_STATUS_SUCCESS;
}
/* macros for expanding the NSLCD_RPC macro */
#define NSLCD_STRING(field) WRITE_STRING(fp,field)
#define NSLCD_STRINGLIST(field) WRITE_STRINGLIST_NULLTERM(fp,field)
#define NSLCD_INT32(field) WRITE_INT32(fp,field)
#define RPC_NAME result.r_name
#define RPC_ALIASES result.r_aliases
#define RPC_NUMBER result.r_number
/* write a single rpc entry to the stream */
static int write_rpc(TFILE *fp,MYLDAP_ENTRY *entry)
{
int32_t tmpint32,tmp2int32,tmp3int32;
struct rpcent result;
char buffer[1024];
if (_nss_ldap_parse_rpc(entry,&result,buffer,sizeof(buffer))!=NSS_STATUS_SUCCESS)
return 0;
/* write the result code */
WRITE_INT32(fp,NSLCD_RESULT_SUCCESS);
/* write the entry */
NSLCD_RPC;
return 0;
}
NSLCD_HANDLE(
rpc,byname,
char name[256];
char filter[1024];
READ_STRING_BUF2(fp,name,sizeof(name));,
log_log(LOG_DEBUG,"nslcd_rpc_byname(%s)",name);,
NSLCD_ACTION_RPC_BYNAME,
mkfilter_rpc_byname(name,filter,sizeof(filter)),
write_rpc(fp,entry)
)
NSLCD_HANDLE(
rpc,bynumber,
int number;
char filter[1024];
READ_INT32(fp,number);,
log_log(LOG_DEBUG,"nslcd_rpc_bynumber(%d)",number);,
NSLCD_ACTION_RPC_BYNUMBER,
mkfilter_rpc_bynumber(number,filter,sizeof(filter)),
write_rpc(fp,entry)
)
NSLCD_HANDLE(
rpc,all,
const char *filter;
/* no parameters to read */,
log_log(LOG_DEBUG,"nslcd_rpc_all()");,
NSLCD_ACTION_RPC_ALL,
(filter=rpc_filter,0),
write_rpc(fp,entry)
)
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