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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/* Source file for the TimeOfDay and DayOfWeek LAS drivers
*/
#include <time.h>
#include <netsite.h>
#include <base/util.h>
#include <base/plist.h>
#include <libaccess/nserror.h>
#include <libaccess/acl.h>
#include "aclpriv.h"
#include <libaccess/aclproto.h>
#include <libaccess/las.h>
#include "aclutil.h"
#include <libaccess/dbtlibaccess.h>
#include <libaccess/aclerror.h>
#include "plstr.h"
/* Day of the week LAS driver
* Note that everything is case-insensitive.
* INPUT
* attr must be the string "dayofweek".
* comparator can only be "=" or "!=".
* pattern any sequence of 3-letter day names. I.e. sun, mon,
* tue, wed, thu, fri, sat. Comma delimiters can be used
* but are not necessary. E.g. mon,TueweDThuFRISat
* OUTPUT
* cachable Will be set to ACL_NOT_CACHABLE.
* return code set to LAS_EVAL_*
*/
int
LASDayOfWeekEval(NSErr_t *errp, char *attr, CmpOp_t comparator, char *pattern,
ACLCachable_t *cachable, void **las_cookie, PList_t subject,
PList_t resource, PList_t auth_info, PList_t global_auth)
{
#ifndef UTEST
struct tm *tm_p, tm;
#endif
time_t t;
char daystr[5]; /* Current local day in ddd */
char lcl_pattern[512];
char *compare;
/* Sanity checking */
if (strcmp(attr, "dayofweek") != 0) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5400, ACL_Program, 2, XP_GetAdminStr(DBT_unexpectedAttributeInDayofweekSN_), attr);
return LAS_EVAL_INVALID;
}
if ((comparator != CMP_OP_EQ) && (comparator != CMP_OP_NE)) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5410, ACL_Program, 2, XP_GetAdminStr(DBT_illegalComparatorForDayofweekDN_), comparator_string(comparator));
return LAS_EVAL_INVALID;
}
*cachable = ACL_NOT_CACHABLE;
/* Obtain and format the local time */
#ifndef UTEST
t = time(NULL);
tm_p = system_localtime(&t, &tm);
util_strftime(daystr, "%a", tm_p);
#else
t = (0x1000000); /* Mon 2120 hr */
strftime(daystr, 4, "%a", localtime(&t));
#endif
makelower(daystr);
PL_strncpyz(lcl_pattern, pattern, sizeof(lcl_pattern));
makelower(lcl_pattern);
/* Compare the value to the pattern */
compare = strstr(lcl_pattern, daystr);
if ((compare != NULL) && (comparator == CMP_OP_EQ))
return LAS_EVAL_TRUE;
if ((compare == NULL) && (comparator == CMP_OP_NE))
return LAS_EVAL_TRUE;
return LAS_EVAL_FALSE;
}
/* Time of day LAS
* INPUT
* attr must be "timeofday".
* comparator one of =, !=, >, <, >=, <=
* pattern HHMM military 24-hour clock. E.g. 0700, 2315.
* OUTPUT
* cachable will be set to ACL_NOT_CACHABLE.
* return code set to LAS_EVAL_*
*/
int
LASTimeOfDayEval(NSErr_t *errp, char *attr, CmpOp_t comparator, char *pattern,
ACLCachable_t *cachable, void **LAS_cookie, PList_t subject,
PList_t resource, PList_t auth_info, PList_t global_auth)
{
#ifndef UTEST
struct tm *tm_p, tm;
#endif
time_t t;
char timestr[6]; /* Current local time in HHMM */
char start[6], end[6];
int compare; /* >0, 0, <0 means that current time is greater, equal to, or less than the pattern */
char *dash;
int intpattern, inttime, intstart, intend;
if (strcmp(attr, "timeofday") != 0) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5600, ACL_Program, 2, XP_GetAdminStr(DBT_unexpectedAttributeInTimeofdaySN_), attr);
return LAS_EVAL_INVALID;
}
*cachable = ACL_NOT_CACHABLE;
/* Obtain and format the local time */
#ifndef UTEST
t = time(NULL);
tm_p = system_localtime(&t, &tm);
util_strftime(timestr, "%H%M", tm_p);
#else
t = (0x1000000); /* Mon 2120 hr */
strftime(timestr, 5, "%H%M", localtime(&t));
#endif
#ifdef DEBUG
printf ("timestr = %s\n", timestr);
#endif
inttime = atoi(timestr);
dash = strchr(pattern, '-');
if (dash) {
if (comparator != CMP_OP_EQ && comparator != CMP_OP_NE) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5610, ACL_Program, 2, XP_GetAdminStr(DBT_illegalComparatorForTimeOfDayDN_), comparator_string(comparator));
return LAS_EVAL_INVALID;
}
if ((size_t)(dash-pattern) >= sizeof(start)) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5610, ACL_Program, 2, XP_GetAdminStr(DBT_illegalComparatorForTimeOfDayDN_), comparator_string(comparator));
return LAS_EVAL_INVALID;
}
strncpy(start, pattern, dash-pattern);
start[dash-pattern]='\0';
intstart = atoi(start);
if (strlen(dash+1) >= sizeof(end)) {
nserrGenerate(errp, ACLERRINVAL, ACLERR5610, ACL_Program, 2, XP_GetAdminStr(DBT_illegalComparatorForTimeOfDayDN_), comparator_string(comparator));
return LAS_EVAL_INVALID;
}
strcpy(end, dash+1);
intend = atoi(end);
if (intend >= intstart) {
return(evalComparator(comparator, !(inttime >= intstart && inttime <= intend)));
} else { /* range wraps around midnight */
return(evalComparator(comparator, !(inttime >= intstart || inttime <= intend)));
}
}
/* ELSE - Just a single time value given. */
/* Compare the value to the pattern */
intpattern = atoi(pattern);
compare = inttime - intpattern;
/* Test against what the user wanted done */
return(evalComparator(comparator, compare));
}
void
LASDayOfWeekFlush(void **cookie)
{
return;
}
void
LASTimeOfDayFlush(void **cookie)
{
return;
}
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