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/*
* Author: Joshua Brindle <jbrindle@tresys.com>
*
* Copyright (C) 2006 Tresys Technology, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "parse_util.h"
#include "helpers.h"
#include "test-common.h"
#include <sepol/policydb/policydb.h>
#include <sepol/policydb/link.h>
#include <sepol/policydb/conditional.h>
#include <CUnit/Basic.h>
#include <stdlib.h>
/* Tests for conditionals
* Test each cond/bool for these
* - boolean copied correctly (state is correct)
* - conditional expression is correct
* Tests:
* - single boolean in base
* - single boolean in module
* - single boolean in base optional
* - single boolean in module optional
* - 2 booleans in base
* - 2 booleans in module
* - 2 booleans in base optional
* - 2 booleans in module optional
* - 2 booleans, base and module
* - 2 booleans, base optional and module
* - 2 booleans, base optional and module optional
* - 3 booleans, base, base optional, module
* - 4 boolean, base, base optional, module, module optional
*/
typedef struct test_cond_expr {
const char *bool;
uint32_t expr_type;
} test_cond_expr_t;
void test_cond_expr_mapping(policydb_t * p, avrule_decl_t * d, test_cond_expr_t * bools, int len)
{
int i;
cond_expr_t *expr;
CU_ASSERT_FATAL(d->cond_list != NULL);
CU_ASSERT_FATAL(d->cond_list->expr != NULL);
expr = d->cond_list->expr;
for (i = 0; i < len; i++) {
CU_ASSERT_FATAL(expr != NULL);
CU_ASSERT(expr->expr_type == bools[i].expr_type);
if (bools[i].bool) {
CU_ASSERT(strcmp(p->sym_val_to_name[SYM_BOOLS][expr->bool - 1], bools[i].bool) == 0);
}
expr = expr->next;
}
}
void test_bool_state(policydb_t * p, const char *bool, int state)
{
cond_bool_datum_t *b;
b = hashtab_search(p->p_bools.table, bool);
CU_ASSERT_FATAL(b != NULL);
CU_ASSERT(b->state == state);
}
void base_cond_tests(policydb_t * base)
{
avrule_decl_t *d;
unsigned int decls[1];
test_cond_expr_t bools[2];
/* these tests look at booleans and conditionals in the base only
* to ensure that they aren't altered or removed during the link process */
/* bool existance and state, global scope */
d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_b");
decls[0] = d->decl_id;
test_sym_presence(base, "g_b_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_bool_state(base, "g_b_bool_1", 0);
/* conditional expression mapped correctly */
bools[0].bool = "g_b_bool_1";
bools[0].expr_type = COND_BOOL;
test_cond_expr_mapping(base, d, bools, 1);
/* bool existance and state, optional scope */
d = test_find_decl_by_sym(base, SYM_TYPES, "tag_o1_b");
decls[0] = d->decl_id;
test_sym_presence(base, "o1_b_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_bool_state(base, "o1_b_bool_1", 1);
/* conditional expression mapped correctly */
bools[0].bool = "o1_b_bool_1";
bools[0].expr_type = COND_BOOL;
test_cond_expr_mapping(base, d, bools, 1);
}
void module_cond_tests(policydb_t * base)
{
avrule_decl_t *d;
unsigned int decls[1];
test_cond_expr_t bools[3];
/* bool existance and state, module 1 global scope */
d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_m1");
decls[0] = d->decl_id;
test_sym_presence(base, "g_m1_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_bool_state(base, "g_m1_bool_1", 1);
/* conditional expression mapped correctly */
bools[0].bool = "g_m1_bool_1";
bools[0].expr_type = COND_BOOL;
test_cond_expr_mapping(base, d, bools, 1);
/* bool existance and state, module 1 optional scope */
d = test_find_decl_by_sym(base, SYM_TYPES, "tag_o1_m1");
decls[0] = d->decl_id;
test_sym_presence(base, "o1_m1_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_bool_state(base, "o1_m1_bool_1", 0);
/* conditional expression mapped correctly */
bools[0].bool = "o1_m1_bool_1";
bools[0].expr_type = COND_BOOL;
test_cond_expr_mapping(base, d, bools, 1);
/* bool existance and state, module 2 global scope */
d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_m2");
decls[0] = d->decl_id;
test_sym_presence(base, "g_m2_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_sym_presence(base, "g_m2_bool_2", SYM_BOOLS, SCOPE_DECL, decls, 1);
test_bool_state(base, "g_m2_bool_1", 1);
test_bool_state(base, "g_m2_bool_2", 0);
/* conditional expression mapped correctly */
bools[0].bool = "g_m2_bool_1";
bools[0].expr_type = COND_BOOL;
bools[1].bool = "g_m2_bool_2";
bools[1].expr_type = COND_BOOL;
bools[2].bool = NULL;
bools[2].expr_type = COND_AND;
test_cond_expr_mapping(base, d, bools, 3);
}
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