src/test/test-selinux.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2016 Zbigniew Jędrzejewski-Szmek
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   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 License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <sys/stat.h>
  21
  22 #include "alloc-util.h"
  23 #include "fd-util.h"
  24 #include "log.h"
  25 #include "selinux-util.h"
  26 #include "time-util.h"
  27
  28 static void test_testing(void) {
  29         bool b;
  30
  31         log_info("============ %s ==========", __func__);
  32
  33         b = mac_selinux_use();
  34         log_info("mac_selinux_use → %d", b);
  35
  36         b = mac_selinux_have();
  37         log_info("mac_selinux_have → %d", b);
  38
  39         mac_selinux_retest();
  40
  41         b = mac_selinux_use();
  42         log_info("mac_selinux_use → %d", b);
  43
  44         b = mac_selinux_have();
  45         log_info("mac_selinux_have → %d", b);
  46 }
  47
  48 static void test_loading(void) {
  49         usec_t n1, n2;
  50         int r;
  51
  52         log_info("============ %s ==========", __func__);
  53
  54         n1 = now(CLOCK_MONOTONIC);
  55         r = mac_selinux_init();
  56         n2 = now(CLOCK_MONOTONIC);
  57         log_info_errno(r, "mac_selinux_init → %d (%m) %.2fs", r, (n2 - n1)/1e6);
  58 }
  59
  60 static void test_cleanup(void) {
  61         usec_t n1, n2;
  62
  63         log_info("============ %s ==========", __func__);
  64
  65         n1 = now(CLOCK_MONOTONIC);
  66         mac_selinux_finish();
  67         n2 = now(CLOCK_MONOTONIC);
  68         log_info("mac_selinux_finish → %.2fs", (n2 - n1)/1e6);
  69 }
  70
  71 static void test_misc(const char* fname) {
  72         _cleanup_(mac_selinux_freep) char *label = NULL, *label2 = NULL, *label3 = NULL;
  73         int r;
  74         _cleanup_close_ int fd = -1;
  75
  76         log_info("============ %s ==========", __func__);
  77
  78         r = mac_selinux_get_our_label(&label);
  79         log_info_errno(r, "mac_selinux_get_our_label → %d (%m), \"%s\"", r, label);
  80
  81         r = mac_selinux_get_create_label_from_exe(fname, &label2);
  82         log_info_errno(r, "mac_selinux_create_label_from_exe → %d (%m), \"%s\"", r, label2);
  83
  84         fd = socket(AF_INET, SOCK_DGRAM, 0);
  85         assert_se(fd >= 0);
  86
  87         r = mac_selinux_get_child_mls_label(fd, fname, label2, &label3);
  88         log_info_errno(r, "mac_selinux_get_child_mls_label → %d (%m), \"%s\"", r, label3);
  89 }
  90
  91 static void test_create_file_prepare(const char* fname) {
  92         int r;
  93
  94         log_info("============ %s ==========", __func__);
  95
  96         r = mac_selinux_create_file_prepare(fname, S_IRWXU);
  97         log_info_errno(r, "mac_selinux_create_file_prepare → %d (%m)", r);
  98
  99         mac_selinux_create_file_clear();
 100 }
 101
 102 int main(int argc, char **argv) {
 103         const char *path = SYSTEMD_BINARY_PATH;
 104         if (argc >= 2)
 105                 path = argv[1];
 106
 107         log_set_max_level(LOG_DEBUG);
 108         log_parse_environment();
 109
 110         test_testing();
 111         test_loading();
 112         test_misc(path);
 113         test_create_file_prepare(path);
 114         test_cleanup();
 115
 116         return 0;
 117 }