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/*
service.c - NSS lookup functions for services database
Copyright (C) 2006 West Consulting
Copyright (C) 2006 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA
*/
#include "config.h"
#include <string.h>
#include <nss.h>
#include <errno.h>
#include "prototypes.h"
#include "common.h"
/* macros for expanding the NSLCD_SERVICE macro */
#define NSLCD_STRING(field) READ_STRING_BUF(fp,field)
#define NSLCD_STRINGLIST(field) READ_STRINGLIST_NULLTERM(fp,field)
#define NSLCD_INT32(field) READ_INT32(fp,field)
#define SERVICE_NAME result->s_name
#define SERVICE_ALIASES result->s_aliases
#define SERVICE_NUMBER port
#define SERVICE_PROTOCOL result->s_proto
static enum nss_status read_servent(
FILE *fp,struct servent *result,
char *buffer,size_t buflen,int *errnop)
{
int32_t tmpint32,tmp2int32,tmp3int32;
int port;
size_t bufptr=0;
/* auto-genereted read code */
NSLCD_SERVICE;
/* store number in network byte order */
result->s_port=ntohs(port);
/* we're done */
return NSS_STATUS_SUCCESS;
}
enum nss_status _nss_ldap_getservbyname_r(const char *name,const char *protocol,struct servent *result,char *buffer,size_t buflen,int *errnop)
{
FILE *fp;
int32_t tmpint32;
enum nss_status retv;
/* open socket and write request */
OPEN_SOCK(fp);
WRITE_REQUEST(fp,NSLCD_ACTION_SERVICE_BYNAME);
/* write the parameters */
WRITE_STRING(fp,name);
/* fall back to empty string in case of NULL */
if (protocol==NULL)
protocol="";
WRITE_STRING(fp,protocol);
WRITE_FLUSH(fp);
/* read response */
READ_RESPONSEHEADER(fp,NSLCD_ACTION_SERVICE_BYNAME);
READ_RESPONSE_CODE(fp);
retv=read_servent(fp,result,buffer,buflen,errnop);
/* check read result */
if (retv!=NSS_STATUS_SUCCESS)
return retv;
/* close socket and we're done */
fclose(fp);
return NSS_STATUS_SUCCESS;
}
enum nss_status _nss_ldap_getservbyport_r(int port,const char *protocol,struct servent *result,char *buffer,size_t buflen,int *errnop)
{
FILE *fp;
int32_t tmpint32;
enum nss_status retv;
/* open socket and write request */
OPEN_SOCK(fp);
WRITE_REQUEST(fp,NSLCD_ACTION_SERVICE_BYNUMBER);
/* write the parameters */
WRITE_INT32(fp,ntohs(port));
/* fall back to empty string in case of NULL */
if (protocol==NULL)
protocol="";
WRITE_STRING(fp,protocol);
WRITE_FLUSH(fp);
/* read response */
READ_RESPONSEHEADER(fp,NSLCD_ACTION_SERVICE_BYNUMBER);
READ_RESPONSE_CODE(fp);
retv=read_servent(fp,result,buffer,buflen,errnop);
/* check read result */
if (retv!=NSS_STATUS_SUCCESS)
return retv;
/* close socket and we're done */
fclose(fp);
return NSS_STATUS_SUCCESS;
}
/* thread-local file pointer to an ongoing request */
static __thread FILE *protoentfp;
enum nss_status _nss_ldap_setservent(int stayopen)
{
NSS_SETENT(protoentfp,NSLCD_ACTION_SERVICE_ALL);
}
enum nss_status _nss_ldap_getservent_r(struct servent *result,char *buffer,size_t buflen,int *errnop)
{
NSS_GETENT(protoentfp,read_servent);
}
enum nss_status _nss_ldap_endservent(void)
{
NSS_ENDENT(protoentfp);
}
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