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/** BEGIN COPYRIGHT BLOCK
* Copyright 2001 Sun Microsystems, Inc.
* Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/* #define DBG_PRINT */
/* lasgroup.c
* This file contains the Group LAS code.
*/
#include <stdio.h>
#include <string.h>
#include <netsite.h>
#include "aclpriv.h"
#include <libaccess/usrcache.h>
#include <libaccess/las.h>
#include <libaccess/dbtlibaccess.h>
#include <libaccess/aclerror.h>
#include <ldaputil/errors.h> /* for DBG_PRINT */
#include "aclutil.h"
#ifdef UTEST
extern char *LASGroupGetUser();
#endif /* UTEST */
/*
* LASGroupEval
* INPUT
* attr_name The string "group" - in lower case.
* comparator CMP_OP_EQ or CMP_OP_NE only
* attr_pattern A comma-separated list of groups
* *cachable Always set to ACL_NOT_CACHABLE
* subject Subjust property list
* resource Resource property list
* auth_info Authentication info, if any
* RETURNS
* retcode The usual LAS return codes.
*/
int LASGroupEval(NSErr_t *errp, char *attr_name, CmpOp_t comparator,
char *attr_pattern, ACLCachable_t *cachable,
void **LAS_cookie, PList_t subject, PList_t resource,
PList_t auth_info, PList_t global_auth)
{
char *groups = attr_pattern;
int retcode;
char *member_of;
char *user;
char *dbname;
time_t *req_time = 0;
const char *group;
char delim;
int len;
int rv;
*cachable = ACL_NOT_CACHABLE;
*LAS_cookie = (void *)0;
if (strcmp(attr_name, ACL_ATTR_GROUP) != 0) {
nserrGenerate(errp, ACLERRINVAL, ACLERR4900, ACL_Program, 2, XP_GetAdminStr(DBT_lasGroupEvalReceivedRequestForAt_), attr_name);
return LAS_EVAL_INVALID;
}
if ((comparator != CMP_OP_EQ) && (comparator != CMP_OP_NE)) {
nserrGenerate(errp, ACLERRINVAL, ACLERR4910, ACL_Program, 2, XP_GetAdminStr(DBT_lasgroupevalIllegalComparatorDN_), comparator_string(comparator));
return LAS_EVAL_INVALID;
}
if (!strcmp(attr_pattern, "anyone")) {
*cachable = ACL_INDEF_CACHABLE;
return comparator == CMP_OP_EQ ? LAS_EVAL_TRUE : LAS_EVAL_FALSE;
}
/* Get the authenticated user */
rv = ACL_GetAttribute(errp, ACL_ATTR_USER, (void **)&user,
subject, resource, auth_info, global_auth);
if (rv != LAS_EVAL_TRUE) {
return rv;
}
rv = ACL_AuthInfoGetDbname(auth_info, &dbname);
if (rv < 0) {
char rv_str[16];
sprintf(rv_str, "%d", rv);
nserrGenerate(errp, ACLERRFAIL, ACLERR4920, ACL_Program, 2, XP_GetAdminStr(DBT_lasGroupEvalUnableToGetDatabaseName), rv_str);
return LAS_EVAL_FAIL;
}
rv = LAS_EVAL_FALSE;
if (acl_usr_cache_enabled()) {
/* avoid unnecessary system call to get time if cache is disabled */
req_time = acl_get_req_time(resource);
/* Loop through all the groups and check if any is in the cache */
group = groups;
delim = ',';
while((group = acl_next_token_len(group, delim, &len)) != NULL) {
rv = acl_usr_cache_group_len_check(user, dbname, group, len, *req_time);
if (rv == LAS_EVAL_TRUE) {
/* cached group exists */
break;
}
if (0 != (group = strchr(group+len, delim)))
group++;
else
break;
}
/* group need not be NULL-terminated */
/* If you need to use it, copy it properly */
group = 0;
}
if (rv != LAS_EVAL_TRUE) {
/* not found in the cache or not one of the groups we want */
PListDeleteProp(subject, ACL_ATTR_GROUPS_INDEX, ACL_ATTR_GROUPS);
PListInitProp(subject, ACL_ATTR_GROUPS_INDEX, ACL_ATTR_GROUPS, groups, 0);
PListDeleteProp(subject, ACL_ATTR_USER_ISMEMBER_INDEX, ACL_ATTR_USER_ISMEMBER);
rv = ACL_GetAttribute(errp, ACL_ATTR_USER_ISMEMBER, (void **)&member_of,
subject, resource, auth_info, global_auth);
PListDeleteProp(subject, ACL_ATTR_GROUPS_INDEX, ACL_ATTR_GROUPS);
if (rv != LAS_EVAL_TRUE && rv != LAS_EVAL_FALSE) {
return rv;
}
if (rv == LAS_EVAL_TRUE) {
/* User is a member of one of the groups */
/* update the user's cache */
acl_usr_cache_set_group(user, dbname, member_of, *req_time);
}
}
if (rv == LAS_EVAL_TRUE) {
retcode = (comparator == CMP_OP_EQ ? LAS_EVAL_TRUE : LAS_EVAL_FALSE);
}
else {
/* User is not a member of any of the groups */
retcode = (comparator == CMP_OP_EQ ? LAS_EVAL_FALSE : LAS_EVAL_TRUE);
}
DBG_PRINT4("%s LASGroupEval: uid = \"%s\" groups = \"%s\"\n",
(retcode == LAS_EVAL_FALSE) ? "LAS_EVAL_FALSE"
: (retcode == LAS_EVAL_TRUE) ? "LAS_EVAL_TRUE"
: "Error",
user, attr_pattern);
return retcode;
}
/* LASGroupFlush
* Deallocates any memory previously allocated by the LAS
*/
void
LASGroupFlush(void **las_cookie)
{
/* do nothing */
return;
}
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