1 /* 2 * Author: Joshua Brindle <jbrindle (at) tresys.com> 3 * 4 * Copyright (C) 2006 Tresys Technology, LLC 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #include "parse_util.h" 22 #include "helpers.h" 23 #include "test-common.h" 24 25 #include <sepol/policydb/policydb.h> 26 #include <sepol/policydb/link.h> 27 #include <sepol/policydb/conditional.h> 28 29 #include <CUnit/Basic.h> 30 #include <stdlib.h> 31 32 /* Tests for conditionals 33 * Test each cond/bool for these 34 * - boolean copied correctly (state is correct) 35 * - conditional expression is correct 36 * Tests: 37 * - single boolean in base 38 * - single boolean in module 39 * - single boolean in base optional 40 * - single boolean in module optional 41 * - 2 booleans in base 42 * - 2 booleans in module 43 * - 2 booleans in base optional 44 * - 2 booleans in module optional 45 * - 2 booleans, base and module 46 * - 2 booleans, base optional and module 47 * - 2 booleans, base optional and module optional 48 * - 3 booleans, base, base optional, module 49 * - 4 boolean, base, base optional, module, module optional 50 */ 51 52 typedef struct test_cond_expr { 53 char *bool; 54 uint32_t expr_type; 55 } test_cond_expr_t; 56 57 void test_cond_expr_mapping(policydb_t * p, avrule_decl_t * d, test_cond_expr_t * bools, int len) 58 { 59 int i; 60 cond_expr_t *expr; 61 62 CU_ASSERT_FATAL(d->cond_list != NULL); 63 CU_ASSERT_FATAL(d->cond_list->expr != NULL); 64 65 expr = d->cond_list->expr; 66 67 for (i = 0; i < len; i++) { 68 CU_ASSERT_FATAL(expr != NULL); 69 70 CU_ASSERT(expr->expr_type == bools[i].expr_type); 71 if (bools[i].bool) { 72 CU_ASSERT(strcmp(p->sym_val_to_name[SYM_BOOLS][expr->bool - 1], bools[i].bool) == 0); 73 } 74 expr = expr->next; 75 } 76 } 77 78 void test_bool_state(policydb_t * p, char *bool, int state) 79 { 80 cond_bool_datum_t *b; 81 82 b = hashtab_search(p->p_bools.table, bool); 83 CU_ASSERT_FATAL(b != NULL); 84 CU_ASSERT(b->state == state); 85 } 86 87 void base_cond_tests(policydb_t * base) 88 { 89 avrule_decl_t *d; 90 unsigned int decls[1]; 91 test_cond_expr_t bools[2]; 92 93 /* these tests look at booleans and conditionals in the base only 94 * to ensure that they aren't altered or removed during the link process */ 95 96 /* bool existance and state, global scope */ 97 d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_b"); 98 decls[0] = d->decl_id; 99 test_sym_presence(base, "g_b_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1); 100 test_bool_state(base, "g_b_bool_1", 0); 101 /* conditional expression mapped correctly */ 102 bools[0].bool = "g_b_bool_1"; 103 bools[0].expr_type = COND_BOOL; 104 test_cond_expr_mapping(base, d, bools, 1); 105 106 /* bool existance and state, optional scope */ 107 d = test_find_decl_by_sym(base, SYM_TYPES, "tag_o1_b"); 108 decls[0] = d->decl_id; 109 test_sym_presence(base, "o1_b_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1); 110 test_bool_state(base, "o1_b_bool_1", 1); 111 /* conditional expression mapped correctly */ 112 bools[0].bool = "o1_b_bool_1"; 113 bools[0].expr_type = COND_BOOL; 114 test_cond_expr_mapping(base, d, bools, 1); 115 116 } 117 118 void module_cond_tests(policydb_t * base) 119 { 120 avrule_decl_t *d; 121 unsigned int decls[1]; 122 test_cond_expr_t bools[3]; 123 124 /* bool existance and state, module 1 global scope */ 125 d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_m1"); 126 decls[0] = d->decl_id; 127 test_sym_presence(base, "g_m1_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1); 128 test_bool_state(base, "g_m1_bool_1", 1); 129 /* conditional expression mapped correctly */ 130 bools[0].bool = "g_m1_bool_1"; 131 bools[0].expr_type = COND_BOOL; 132 test_cond_expr_mapping(base, d, bools, 1); 133 134 /* bool existance and state, module 1 optional scope */ 135 d = test_find_decl_by_sym(base, SYM_TYPES, "tag_o1_m1"); 136 decls[0] = d->decl_id; 137 test_sym_presence(base, "o1_m1_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1); 138 test_bool_state(base, "o1_m1_bool_1", 0); 139 /* conditional expression mapped correctly */ 140 bools[0].bool = "o1_m1_bool_1"; 141 bools[0].expr_type = COND_BOOL; 142 test_cond_expr_mapping(base, d, bools, 1); 143 144 /* bool existance and state, module 2 global scope */ 145 d = test_find_decl_by_sym(base, SYM_TYPES, "tag_g_m2"); 146 decls[0] = d->decl_id; 147 test_sym_presence(base, "g_m2_bool_1", SYM_BOOLS, SCOPE_DECL, decls, 1); 148 test_sym_presence(base, "g_m2_bool_2", SYM_BOOLS, SCOPE_DECL, decls, 1); 149 test_bool_state(base, "g_m2_bool_1", 1); 150 test_bool_state(base, "g_m2_bool_2", 0); 151 /* conditional expression mapped correctly */ 152 bools[0].bool = "g_m2_bool_1"; 153 bools[0].expr_type = COND_BOOL; 154 bools[1].bool = "g_m2_bool_2"; 155 bools[1].expr_type = COND_BOOL; 156 bools[2].bool = NULL; 157 bools[2].expr_type = COND_AND; 158 test_cond_expr_mapping(base, d, bools, 3); 159 } 160
