src/test/test-selinux.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2016 Zbigniew Jędrzejewski-Szmek
   6 ***/
   7
   8 #include <sys/stat.h>
   9
  10 #include "alloc-util.h"
  11 #include "fd-util.h"
  12 #include "log.h"
  13 #include "selinux-util.h"
  14 #include "string-util.h"
  15 #include "time-util.h"
  16 #include "util.h"
  17
  18 static void test_testing(void) {
  19         bool b;
  20
  21         log_info("============ %s ==========", __func__);
  22
  23         b = mac_selinux_use();
  24         log_info("mac_selinux_use → %s", yes_no(b));
  25
  26         b = mac_selinux_use();
  27         log_info("mac_selinux_use → %s", yes_no(b));
  28
  29         mac_selinux_retest();
  30
  31         b = mac_selinux_use();
  32         log_info("mac_selinux_use → %s", yes_no(b));
  33
  34         b = mac_selinux_use();
  35         log_info("mac_selinux_use → %s", yes_no(b));
  36 }
  37
  38 static void test_loading(void) {
  39         usec_t n1, n2;
  40         int r;
  41
  42         log_info("============ %s ==========", __func__);
  43
  44         n1 = now(CLOCK_MONOTONIC);
  45         r = mac_selinux_init();
  46         n2 = now(CLOCK_MONOTONIC);
  47         log_info_errno(r, "mac_selinux_init → %d %.2fs (%m)", r, (n2 - n1)/1e6);
  48 }
  49
  50 static void test_cleanup(void) {
  51         usec_t n1, n2;
  52
  53         log_info("============ %s ==========", __func__);
  54
  55         n1 = now(CLOCK_MONOTONIC);
  56         mac_selinux_finish();
  57         n2 = now(CLOCK_MONOTONIC);
  58         log_info("mac_selinux_finish → %.2fs", (n2 - n1)/1e6);
  59 }
  60
  61 static void test_misc(const char* fname) {
  62         _cleanup_(mac_selinux_freep) char *label = NULL, *label2 = NULL, *label3 = NULL;
  63         int r;
  64         _cleanup_close_ int fd = -1;
  65
  66         log_info("============ %s ==========", __func__);
  67
  68         r = mac_selinux_get_our_label(&label);
  69         log_info_errno(r, "mac_selinux_get_our_label → %d, \"%s\" (%m)",
  70                        r, strnull(label));
  71
  72         r = mac_selinux_get_create_label_from_exe(fname, &label2);
  73         log_info_errno(r, "mac_selinux_create_label_from_exe → %d, \"%s\" (%m)",
  74                        r, strnull(label2));
  75
  76         fd = socket(AF_INET, SOCK_DGRAM, 0);
  77         assert_se(fd >= 0);
  78
  79         r = mac_selinux_get_child_mls_label(fd, fname, label2, &label3);
  80         log_info_errno(r, "mac_selinux_get_child_mls_label → %d, \"%s\" (%m)",
  81                        r, strnull(label3));
  82 }
  83
  84 static void test_create_file_prepare(const char* fname) {
  85         int r;
  86
  87         log_info("============ %s ==========", __func__);
  88
  89         r = mac_selinux_create_file_prepare(fname, S_IRWXU);
  90         log_info_errno(r, "mac_selinux_create_file_prepare → %d (%m)", r);
  91
  92         mac_selinux_create_file_clear();
  93 }
  94
  95 int main(int argc, char **argv) {
  96         const char *path = SYSTEMD_BINARY_PATH;
  97         if (argc >= 2)
  98                 path = argv[1];
  99
 100         log_set_max_level(LOG_DEBUG);
 101         log_parse_environment();
 102
 103         test_testing();
 104         test_loading();
 105         test_misc(path);
 106         test_create_file_prepare(path);
 107         test_cleanup();
 108
 109         return 0;
 110 }