src/test/test-selinux.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2016 Zbigniew Jędrzejewski-Szmek
   4 ***/
   5
   6 #include <sys/stat.h>
   7
   8 #include "alloc-util.h"
   9 #include "fd-util.h"
  10 #include "log.h"
  11 #include "selinux-util.h"
  12 #include "string-util.h"
  13 #include "time-util.h"
  14 #include "util.h"
  15
  16 static void test_testing(void) {
  17         bool b;
  18
  19         log_info("============ %s ==========", __func__);
  20
  21         b = mac_selinux_use();
  22         log_info("mac_selinux_use → %s", yes_no(b));
  23
  24         b = mac_selinux_use();
  25         log_info("mac_selinux_use → %s", yes_no(b));
  26
  27         mac_selinux_retest();
  28
  29         b = mac_selinux_use();
  30         log_info("mac_selinux_use → %s", yes_no(b));
  31
  32         b = mac_selinux_use();
  33         log_info("mac_selinux_use → %s", yes_no(b));
  34 }
  35
  36 static void test_loading(void) {
  37         usec_t n1, n2;
  38         int r;
  39
  40         log_info("============ %s ==========", __func__);
  41
  42         n1 = now(CLOCK_MONOTONIC);
  43         r = mac_selinux_init();
  44         n2 = now(CLOCK_MONOTONIC);
  45         log_info_errno(r, "mac_selinux_init → %d %.2fs (%m)", r, (n2 - n1)/1e6);
  46 }
  47
  48 static void test_cleanup(void) {
  49         usec_t n1, n2;
  50
  51         log_info("============ %s ==========", __func__);
  52
  53         n1 = now(CLOCK_MONOTONIC);
  54         mac_selinux_finish();
  55         n2 = now(CLOCK_MONOTONIC);
  56         log_info("mac_selinux_finish → %.2fs", (n2 - n1)/1e6);
  57 }
  58
  59 static void test_misc(const char* fname) {
  60         _cleanup_(mac_selinux_freep) char *label = NULL, *label2 = NULL, *label3 = NULL;
  61         int r;
  62         _cleanup_close_ int fd = -1;
  63
  64         log_info("============ %s ==========", __func__);
  65
  66         r = mac_selinux_get_our_label(&label);
  67         log_info_errno(r, "mac_selinux_get_our_label → %d, \"%s\" (%m)",
  68                        r, strnull(label));
  69
  70         r = mac_selinux_get_create_label_from_exe(fname, &label2);
  71         log_info_errno(r, "mac_selinux_create_label_from_exe → %d, \"%s\" (%m)",
  72                        r, strnull(label2));
  73
  74         fd = socket(AF_INET, SOCK_DGRAM, 0);
  75         assert_se(fd >= 0);
  76
  77         r = mac_selinux_get_child_mls_label(fd, fname, label2, &label3);
  78         log_info_errno(r, "mac_selinux_get_child_mls_label → %d, \"%s\" (%m)",
  79                        r, strnull(label3));
  80 }
  81
  82 static void test_create_file_prepare(const char* fname) {
  83         int r;
  84
  85         log_info("============ %s ==========", __func__);
  86
  87         r = mac_selinux_create_file_prepare(fname, S_IRWXU);
  88         log_info_errno(r, "mac_selinux_create_file_prepare → %d (%m)", r);
  89
  90         mac_selinux_create_file_clear();
  91 }
  92
  93 int main(int argc, char **argv) {
  94         const char *path = SYSTEMD_BINARY_PATH;
  95         if (argc >= 2)
  96                 path = argv[1];
  97
  98         log_set_max_level(LOG_DEBUG);
  99         log_parse_environment();
 100
 101         test_testing();
 102         test_loading();
 103         test_misc(path);
 104         test_create_file_prepare(path);
 105         test_cleanup();
 106
 107         return 0;
 108 }