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/*
protocol.c - network address entry lookup routines
This file was part of the nss_ldap library (as ldap-proto.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>
#include <netdb.h>
#include <errno.h>
#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 "util.h"
#include "common.h"
#include "log.h"
#include "attmap.h"
/* the attributes to request with searches */
static const char *protocol_attrs[3];
static int mkfilter_protocol_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=%s))",
attmap_objectClass,attmap_protocol_objectClass,
attmap_protocol_cn,buf2);
}
/* create a search filter for searching a protocol entry
by uid, return -1 on errors */
static int mkfilter_protocol_bynumber(int protocol,
char *buffer,size_t buflen)
{
return snprintf(buffer,buflen,
"(&(%s=%s)(%s=%d))",
attmap_objectClass,attmap_protocol_objectClass,
attmap_protocol_ipProtocolNumber,protocol);
}
/* create a search filter for enumerating all protocol
entries, return -1 on errors */
static int mkfilter_protocol_all(char *buffer,size_t buflen)
{
return mysnprintf(buffer,buflen,
"(%s=%s)",
attmap_objectClass,attmap_protocol_objectClass);
}
static void protocol_attrs_init(void)
{
protocol_attrs[0]=attmap_protocol_cn;
protocol_attrs[1]=attmap_protocol_ipProtocolNumber;
protocol_attrs[2]=NULL;
}
static enum nss_status _nss_ldap_parse_proto (LDAPMessage *e,
struct ldap_state UNUSED(*pvt),
void *result, char *buffer, size_t buflen)
{
struct protoent *proto = (struct protoent *) result;
char *number;
enum nss_status stat;
stat =
_nss_ldap_getrdnvalue (e, attmap_protocol_cn, &proto->p_name,
&buffer, &buflen);
if (stat != NSS_STATUS_SUCCESS)
return stat;
stat =
_nss_ldap_assign_attrval (e, attmap_protocol_ipProtocolNumber, &number, &buffer,
&buflen);
if (stat != NSS_STATUS_SUCCESS)
return stat;
proto->p_proto = atoi (number);
stat =
_nss_ldap_assign_attrvals (e, attmap_protocol_cn, proto->p_name,
&proto->p_aliases, &buffer, &buflen, NULL);
if (stat != NSS_STATUS_SUCCESS)
return stat;
return NSS_STATUS_SUCCESS;
}
/* macros for expanding the NSLCD_PROTOCOL 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 PROTOCOL_NAME result.p_name
#define PROTOCOL_ALIASES result.p_aliases
#define PROTOCOL_NUMBER result.p_proto
int nslcd_protocol_byname(TFILE *fp)
{
int32_t tmpint32,tmp2int32,tmp3int32;
char name[256];
char filter[1024];
/* these are here for now until we rewrite the LDAP code */
struct protoent result;
char buffer[1024];
int errnop;
int retv;
/* read request parameters */
READ_STRING_BUF2(fp,name,sizeof(name));
/* log call */
log_log(LOG_DEBUG,"nslcd_protocol_byname(%s)",name);
/* write the response header */
WRITE_INT32(fp,NSLCD_VERSION);
WRITE_INT32(fp,NSLCD_ACTION_PROTOCOL_BYNAME);
/* do the LDAP request */
mkfilter_protocol_byname(name,filter,sizeof(filter));
protocol_attrs_init();
retv=_nss_ldap_getbyname(&result,buffer,1024,&errnop,LM_PROTOCOLS,
NULL,filter,protocol_attrs,_nss_ldap_parse_proto);
/* write the response */
WRITE_INT32(fp,retv);
if (retv==NSLCD_RESULT_SUCCESS)
{
NSLCD_PROTOCOL;
}
WRITE_FLUSH(fp);
/* we're done */
return 0;
}
int nslcd_protocol_bynumber(TFILE *fp)
{
int32_t tmpint32,tmp2int32,tmp3int32;
int protocol;
char filter[1024];
/* these are here for now until we rewrite the LDAP code */
struct protoent result;
char buffer[1024];
int errnop;
int retv;
/* read request parameters */
READ_INT32(fp,protocol);
/* log call */
log_log(LOG_DEBUG,"nslcd_protocol_bynumber(%d)",protocol);
/* write the response header */
WRITE_INT32(fp,NSLCD_VERSION);
WRITE_INT32(fp,NSLCD_ACTION_PROTOCOL_BYNUMBER);
/* do the LDAP request */
mkfilter_protocol_bynumber(protocol,filter,sizeof(filter));
protocol_attrs_init();
retv=_nss_ldap_getbyname(&result,buffer,1024,&errnop,LM_PROTOCOLS,
NULL,filter,protocol_attrs,_nss_ldap_parse_proto);
/* write the response */
WRITE_INT32(fp,retv);
if (retv==NSLCD_RESULT_SUCCESS)
{
NSLCD_PROTOCOL;
}
WRITE_FLUSH(fp);
/* we're done */
return 0;
}
int nslcd_protocol_all(TFILE *fp)
{
int32_t tmpint32,tmp2int32,tmp3int32;
struct ent_context *protocol_context;
char filter[1024];
/* these are here for now until we rewrite the LDAP code */
struct protoent result;
char buffer[1024];
int errnop;
int retv;
/* log call */
log_log(LOG_DEBUG,"nslcd_protocol_all()");
/* write the response header */
WRITE_INT32(fp,NSLCD_VERSION);
WRITE_INT32(fp,NSLCD_ACTION_PROTOCOL_ALL);
/* initialize context */
if (_nss_ldap_ent_context_init(&protocol_context)==NULL)
return -1;
/* loop over all results */
mkfilter_protocol_all(filter,sizeof(filter));
protocol_attrs_init();
while ((retv=_nss_ldap_getent(&protocol_context,&result,buffer,sizeof(buffer),&errnop,
NULL,filter,protocol_attrs,LM_PROTOCOLS,_nss_ldap_parse_proto))==NSLCD_RESULT_SUCCESS)
{
/* write the result code */
WRITE_INT32(fp,retv);
/* write the entry */
NSLCD_PROTOCOL;
}
/* write the final result code */
WRITE_INT32(fp,retv);
WRITE_FLUSH(fp);
/* FIXME: if a previous call returns what happens to the context? */
_nss_ldap_enter();
_nss_ldap_ent_context_release(protocol_context);
_nss_ldap_leave();
/* we're done */
return 0;
}
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