src/libsystemd/sd-bus/test-bus-creds.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "sd-bus.h"
   4
   5 #include "bus-dump.h"
   6 #include "cgroup-util.h"
   7 #include "errno-util.h"
   8 #include "tests.h"
   9
  10 int main(int argc, char *argv[]) {
  11         _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
  12         int r;
  13
  14         test_setup_logging(LOG_DEBUG);
  15
  16         if (IN_SET(cg_unified(), -ENOMEDIUM, -ENOENT))
  17                 return log_tests_skipped("/sys/fs/cgroup/ not available");
  18
  19         r = sd_bus_creds_new_from_pid(&creds, 0, _SD_BUS_CREDS_ALL);
  20         log_full_errno(r < 0 ? LOG_ERR : LOG_DEBUG, r, "sd_bus_creds_new_from_pid: %m");
  21         assert_se(r >= 0);
  22
  23         bus_creds_dump(creds, NULL, true);
  24
  25         creds = sd_bus_creds_unref(creds);
  26
  27         r = sd_bus_creds_new_from_pid(&creds, 1, _SD_BUS_CREDS_ALL);
  28         if (!ERRNO_IS_NEG_PRIVILEGE(r)) {
  29                 assert_se(r >= 0);
  30                 putchar('\n');
  31                 bus_creds_dump(creds, NULL, true);
  32         }
  33
  34         creds = sd_bus_creds_unref(creds);
  35
  36         _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
  37         r = sd_bus_default_system(&bus);
  38         if (r < 0)
  39                 log_warning_errno(r, "Unable to connect to system bus, skipping rest of test.");
  40         else {
  41                 const char *unique;
  42
  43                 assert_se(sd_bus_get_unique_name(bus, &unique) >= 0);
  44
  45                 r = sd_bus_get_name_creds(bus, unique, _SD_BUS_CREDS_ALL, &creds);
  46                 log_full_errno(r < 0 ? LOG_ERR : LOG_DEBUG, r, "sd_bus_get_name_creds: %m");
  47                 assert_se(r >= 0);
  48
  49                 putchar('\n');
  50                 bus_creds_dump(creds, NULL, true);
  51         }
  52
  53         return 0;
  54 }