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