LCOV - code coverage report
Current view: top level - source3/registry/tests - test_regfio.c (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 69 69 100.0 %
Date: 2021-09-23 10:06:22 Functions: 8 8 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Unix SMB/CIFS implementation.
       3             :  *
       4             :  * Copyright (C) 2019      Michael Hanselmann <public@hansmi.ch>
       5             :  *
       6             :  * This program is free software; you can redistribute it and/or modify
       7             :  * it under the terms of the GNU General Public License as published by
       8             :  * the Free Software Foundation; either version 3 of the License, or
       9             :  * (at your option) any later version.
      10             :  *
      11             :  * This program 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
      14             :  * GNU General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU General Public License
      17             :  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
      18             :  */
      19             : 
      20             : #include <stdarg.h>
      21             : #include <stddef.h>
      22             : #include <setjmp.h>
      23             : #include <stdint.h>
      24             : #include <cmocka.h>
      25             : 
      26             : #include <errno.h>
      27             : #include <stdlib.h>
      28             : #include <sys/types.h>
      29             : #include <sys/stat.h>
      30             : #include <fcntl.h>
      31             : 
      32             : #include "includes.h"
      33             : #include "lib/replace/replace.h"
      34             : #include "system/filesys.h"
      35             : #include "lib/util/samba_util.h"
      36             : #include "registry/regfio.h"
      37             : 
      38             : struct test_ctx {
      39             :         char *tmp_regfile;
      40             :         int tmp_regfile_fd;
      41             :         REGF_FILE *rb;
      42             : };
      43             : 
      44           3 : static int setup_context(void **state)
      45             : {
      46             :         struct test_ctx *test_ctx;
      47             : 
      48           3 :         test_ctx = talloc_zero(NULL, struct test_ctx);
      49           3 :         assert_non_null(test_ctx);
      50             : 
      51           3 :         test_ctx->tmp_regfile_fd  = -1;
      52             : 
      53           3 :         *state = test_ctx;
      54             : 
      55           3 :         return 0;
      56             : }
      57             : 
      58           1 : static int setup_context_tempfile(void **state)
      59             : {
      60             :         struct test_ctx *test_ctx;
      61             :         int ret;
      62             : 
      63           1 :         ret = setup_context(state);
      64             : 
      65           1 :         if (ret == 0) {
      66           1 :                 test_ctx = talloc_get_type_abort(*state, struct test_ctx);
      67             : 
      68           1 :                 test_ctx->tmp_regfile = talloc_strdup(test_ctx, "/tmp/regfio.XXXXXX");
      69           1 :                 assert_non_null(test_ctx->tmp_regfile);
      70             : 
      71           1 :                 test_ctx->tmp_regfile_fd = mkstemp(test_ctx->tmp_regfile);
      72           1 :                 assert_return_code(test_ctx->tmp_regfile_fd, errno);
      73             :         }
      74             : 
      75           1 :         return ret;
      76             : }
      77             : 
      78           3 : static int teardown_context(void **state)
      79             : {
      80           3 :         struct test_ctx *test_ctx =
      81           3 :                 talloc_get_type_abort(*state, struct test_ctx);
      82             : 
      83           3 :         if (test_ctx->rb) {
      84           3 :                 regfio_close(test_ctx->rb);
      85             :         }
      86             : 
      87           3 :         if (test_ctx->tmp_regfile) {
      88           1 :                 unlink(test_ctx->tmp_regfile);
      89             :         }
      90             : 
      91           3 :         if (test_ctx->tmp_regfile_fd != -1) {
      92           1 :                 close(test_ctx->tmp_regfile_fd);
      93             :         }
      94             : 
      95           3 :         talloc_free(test_ctx);
      96             : 
      97           3 :         return 0;
      98             : }
      99             : 
     100           2 : static void open_testfile(struct test_ctx *test_ctx, const char *filename)
     101             : {
     102             :         char *path;
     103             : 
     104           2 :         path = talloc_asprintf(test_ctx, "%s/testdata/samba3/%s", SRCDIR, filename);
     105           2 :         assert_non_null(path);
     106             : 
     107           2 :         test_ctx->rb = regfio_open(path, O_RDONLY, 0600);
     108           2 :         assert_non_null(test_ctx->rb);
     109           2 : }
     110             : 
     111           1 : static void test_regfio_open_new_file(void **state)
     112             : {
     113           1 :         struct test_ctx *test_ctx =
     114           1 :                 talloc_get_type_abort(*state, struct test_ctx);
     115             :         REGF_NK_REC *root;
     116             :         struct regval_ctr *values;
     117             :         struct regsubkey_ctr *subkeys;
     118             :         WERROR werr;
     119             : 
     120           1 :         test_ctx->rb = regfio_open(test_ctx->tmp_regfile,
     121             :                                    O_RDWR | O_CREAT | O_TRUNC, 0600);
     122           1 :         assert_non_null(test_ctx->rb);
     123             : 
     124           1 :         root = regfio_rootkey(test_ctx->rb);
     125           1 :         assert_null(root);
     126             : 
     127           1 :         werr = regsubkey_ctr_init(NULL, &subkeys);
     128           1 :         assert_true(W_ERROR_IS_OK(werr));
     129             : 
     130           1 :         werr = regval_ctr_init(subkeys, &values);
     131           1 :         assert_true(W_ERROR_IS_OK(werr));
     132             : 
     133             :         /* Write root key */
     134           1 :         regfio_write_key(test_ctx->rb, "", values, subkeys, NULL, NULL);
     135             : 
     136           1 :         root = regfio_rootkey(test_ctx->rb);
     137           1 :         assert_non_null(root);
     138           1 :         assert_memory_equal(root->header, "nk", sizeof(root->header));
     139           1 :         assert_int_equal(root->key_type, NK_TYPE_ROOTKEY);
     140           1 : }
     141             : 
     142           1 : static void test_regfio_corrupt_hbin(void **state)
     143             : {
     144           1 :         struct test_ctx *test_ctx =
     145           1 :                 talloc_get_type_abort(*state, struct test_ctx);
     146             :         REGF_NK_REC *root;
     147             : 
     148           1 :         open_testfile(test_ctx, "regfio_corrupt_hbin1.dat");
     149             : 
     150           1 :         root = regfio_rootkey(test_ctx->rb);
     151           1 :         assert_null(root);
     152           1 : }
     153             : 
     154           1 : static void test_regfio_corrupt_lf_subkeys(void **state)
     155             : {
     156           1 :         struct test_ctx *test_ctx =
     157           1 :                 talloc_get_type_abort(*state, struct test_ctx);
     158             :         REGF_NK_REC *root, *subkey;
     159             : 
     160           1 :         open_testfile(test_ctx, "regfio_corrupt_lf_subkeys.dat");
     161             : 
     162           1 :         root = regfio_rootkey(test_ctx->rb);
     163           1 :         assert_non_null(root);
     164             : 
     165           1 :         root->subkey_index = 0;
     166           1 :         while ((subkey = regfio_fetch_subkey(test_ctx->rb, root))) {
     167             :         }
     168           1 : }
     169             : 
     170           1 : int main(void) {
     171           1 :         const struct CMUnitTest tests[] = {
     172             :                 cmocka_unit_test_setup_teardown(test_regfio_open_new_file,
     173             :                                                 setup_context_tempfile,
     174             :                                                 teardown_context),
     175             :                 cmocka_unit_test_setup_teardown(test_regfio_corrupt_hbin,
     176             :                                                 setup_context,
     177             :                                                 teardown_context),
     178             :                 cmocka_unit_test_setup_teardown(test_regfio_corrupt_lf_subkeys,
     179             :                                                 setup_context,
     180             :                                                 teardown_context),
     181             :         };
     182             : 
     183           1 :         cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
     184             : 
     185           1 :         return cmocka_run_group_tests(tests, NULL, NULL);
     186             : }

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