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/*
nslcd-server.h - server socket routines
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
*/
#ifndef _NSLCD_SERVER_H
#define _NSLCD_SERVER_H 1
#include "nslcd.h"
/* returns a socket ready to answer requests from the client,
return <0 on error */
int nslcd_server_open(void);
/* read a request message, returns <0 in case of errors,
this function closes the socket */
int nslcd_server_handlerequest(int sock);
/* LDAP methods */
/* the caller should take care of opening and closing the stream */
int nslcd_getpwnam(FILE *fp,const char *name);
#define WRITE(fp,ptr,size) \
if (fwrite(ptr,size,1,fp)<1) \
{ fclose(fp); return -1; }
#define WRITE_INT32(fp,i) \
tmpint32=(int32_t)(i); \
WRITE(fp,&tmpint32,sizeof(int32_t))
#define WRITE_STRING(fp,str) \
/* write the size of the string */ \
WRITE_INT32(fp,strlen(str)); \
/* write the string itself */ \
WRITE(fp,str,strlen(str));
#define READ(fp,ptr,size) \
if (fread(ptr,size,1,fp)<1) \
{ fclose(fp); return -1; }
#define READ_INT32(fp,i) \
READ(fp,&tmpint32,sizeof(int32_t)); \
i=tmpint32;
#define READ_STRING(fp,field,buffer) \
/* read the size of the string */ \
READ(fp,&sz,sizeof(int32_t)); \
/* FIXME: add error checking and sanity checking */ \
/* check if read would fit */ \
if ((bufptr+(size_t)sz+1)>buflen) \
{ fclose(fp); return -1; } /* will not fit */ \
/* read string from the stream */ \
READ(fp,buffer+bufptr,(size_t)sz); \
/* TODO: check that string does not contain \0 */ \
/* null-terminate string in buffer */ \
buffer[bufptr+sz]='\0'; \
/* prepare result */ \
(field)=buffer+bufptr; \
bufptr+=sz+1;
#endif /* not _NSLCD_SERVER_H */
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