BSD 4_3_Net_2 development

[unix-history] / usr / src / contrib / isode / compat / isoservent.c

/* isoservent.c - look-up ISODE services */

#ifndef lint
static char *rcsid = "$Header: /f/osi/compat/RCS/isoservent.c,v 7.2 91/02/22 09:15:23 mrose Interim $";
#endif

/* 
* $Header: /f/osi/compat/RCS/isoservent.c,v 7.2 91/02/22 09:15:23 mrose Interim $
*
*
* $Log:        isoservent.c,v $
* Revision 7.2  91/02/22  09:15:23  mrose
* Interim 6.8
* 
* Revision 7.1  90/12/23  18:39:36  mrose
* update
* 
* Revision 7.0  89/11/23  21:23:11  mrose
* Release 6.0
* 
*/

/*
*                                NOTICE
*
*    Acquisition, use, and distribution of this module and related
*    materials are subject to the restrictions of a license agreement.
*    Consult the Preface in the User's Manual for the full terms of
*    this agreement.
*
*/


/* LINTLIBRARY */

#include <ctype.h>
#include <stdio.h>
#include "general.h"
#include "manifest.h"
#include "isoservent.h"
#include "tailor.h"

/* \f   DATA */

static char *isoservices = "isoservices";

static FILE *servf = NULL;
static int  stayopen = 0;

static struct isoservent    iss;

/* \f */

int     setisoservent (f)
int     f;
{
   if (servf == NULL)
       servf = fopen (isodefile (isoservices, 0), "r");
   else
       rewind (servf);
   stayopen |= f;

   return (servf != NULL);
}


int     endisoservent () {
   if (servf && !stayopen) {
       (void) fclose (servf);
       servf = NULL;
   }

   return 1;
}

/* \f */

struct isoservent  *getisoservent () {
   int     mask,
           vecp;
   register char  *cp;
   register struct isoservent *is = &iss;
   static char buffer[BUFSIZ + 1],
               file[BUFSIZ];
   static char *vec[NVEC + NSLACK + 1];

   if (servf == NULL
           && (servf = fopen (isodefile (isoservices, 0), "r")) == NULL)
       return NULL;

   bzero ((char *) is, sizeof *is);

   while (fgets (buffer, sizeof buffer, servf) != NULL) {
       if (*buffer == '#')
           continue;
       if (cp = index (buffer, '\n'))
           *cp = NULL;
       if ((vecp = str2vecX (buffer, vec, 1 + 1, &mask, NULL, 1)) < 3)
           continue;

       if ((cp = index (vec[0], '/')) == NULL)
           continue;
       *cp++ = NULL;

       is -> is_provider = vec[0];
       is -> is_entity = cp;
       is -> is_selectlen = str2sel (vec[1], (mask & (1 << 1)) ? 1 : 0,
                               is -> is_selector, ISSIZE);

       is -> is_vec = vec + 2;
       is -> is_tail = vec + vecp;

       if (strcmp (cp = is -> is_vec[0], "tsapd-bootstrap"))
           (void) strcpy (is -> is_vec[0] = file, isodefile (cp, 1));

       return is;
   }

   return NULL;
}

/* \f */

#ifdef  DEBUG
_printsrv (is)
register struct isoservent *is;
{
   register int    n = is -> is_tail - is -> is_vec - 1;
   register char **ap = is -> is_vec;

   LLOG (addr_log, LLOG_DEBUG,
         ("\tENT: \"%s\" PRV: \"%s\" SEL: %s",
          is -> is_entity, is -> is_provider,
          sel2str (is -> is_selector, is -> is_selectlen, 1)));

   for (; n >= 0; ap++, n--)
       LLOG (addr_log, LLOG_DEBUG,
             ("\t\t%d: \"%s\"\n", ap - is -> is_vec, *ap));
}
#endif