site_check_u.c

openPBS的开放源代码

/*
*         OpenPBS (Portable Batch System) v2.3 Software License
* 
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
* 
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* please contact Veridian Systems, PBS Products Department ("Licensor") at:
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* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
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*/
#include <pbs_config.h>   /* the master config generated by configure */

#include <sys/types.h>
#include <string.h>
#include "portability.h"
#include "list_link.h"
#include "attribute.h"
#include "server_limits.h"
#include "queue.h"
#include "job.h"
#include "log.h"

static char ident[] = "@(#) $RCSfile: site_check_u.c,v $ $Revision: 2.2.4.4 $";

/* Global Data Items */

extern char *pbs_o_host;
extern char  server_host[];
extern char *msg_orighost;	/* error message: no PBS_O_HOST */

/*
 * site_check_u - site_check_user_map()
 *
 *	This routine determines if a user is privileged to execute a job
 *	on this host under the login name specified (in user-list attribute)
 *
 *	As provided, this routine uses ruserok(3N).  If this is a problem,
 *	It's replacement is "left as an exersize for the reader."
 */

int site_check_user_map(pjob, luser)
	job	*pjob;	
	char	*luser;
{
	char    *orighost;
	char	 owner[PBS_MAXUSER+1];
	char	*p1;
	char	*p2;
	int	 rc;
	
	/* get just the owner name, without the "@host" */
	
	p1 = pjob->ji_wattr[JOB_ATR_job_owner].at_val.at_str;
	p2 = owner;
	while ((*p1 != '@') && (*p1 != '\0'))
		*p2++ = *p1++;
	*p2 = '\0';

	orighost = get_variable(pjob, pbs_o_host);
	if (orighost == (char *)0) {
		log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, 
			  pjob->ji_qs.ji_jobid, msg_orighost);
		return (-1);
	}
	if ( !strcmp(orighost, server_host) && !strcmp(owner, luser))
		return (0);

	rc =   ruserok(orighost, 0, owner, luser);
#ifdef sun
	/* broken Sun ruserok() sets process so it appears to be owned	*/
	/* by the luser, change it back for cosmetic reasons		*/
	setuid(0);
#endif	/* sun */
	return (rc);
}

/*
 * site_check_u - site_acl_check()
 *
 *    This routine is a place holder for sites that wish to implement
 *    access controls that differ from the standard PBS user, group, host
 *    access controls.  It does NOT replace their functionality.
 *
 *    Return -1 for access denied, otherwise 0 for ok.
 */

int site_acl_check(pjob, pque)
	job		*pjob;
	pbs_queue	*pque;
{
	return (0);
}