src/test/test-acl-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2015 Zbigniew Jędrzejewski-Szmek
   4 ***/
   5
   6 #include <fcntl.h>
   7 #include <stdlib.h>
   8 #include <sys/stat.h>
   9 #include <unistd.h>
  10
  11 #include "acl-util.h"
  12 #include "fd-util.h"
  13 #include "fileio.h"
  14 #include "string-util.h"
  15 #include "user-util.h"
  16
  17 static void test_add_acls_for_user(void) {
  18         char fn[] = "/tmp/test-empty.XXXXXX";
  19         _cleanup_close_ int fd = -1;
  20         char *cmd;
  21         uid_t uid;
  22         int r;
  23
  24         fd = mkostemp_safe(fn);
  25         assert_se(fd >= 0);
  26
  27         /* Use the mode that user journal files use */
  28         assert_se(fchmod(fd, 0640) == 0);
  29
  30         cmd = strjoina("ls -l ", fn);
  31         assert_se(system(cmd) == 0);
  32
  33         cmd = strjoina("getfacl -p ", fn);
  34         assert_se(system(cmd) == 0);
  35
  36         if (getuid() == 0) {
  37                 const char *nobody = NOBODY_USER_NAME;
  38                 r = get_user_creds(&nobody, &uid, NULL, NULL, NULL);
  39                 if (r < 0)
  40                         uid = 0;
  41         } else
  42                 uid = getuid();
  43
  44         r = add_acls_for_user(fd, uid);
  45         assert_se(r >= 0);
  46
  47         cmd = strjoina("ls -l ", fn);
  48         assert_se(system(cmd) == 0);
  49
  50         cmd = strjoina("getfacl -p ", fn);
  51         assert_se(system(cmd) == 0);
  52
  53         /* set the acls again */
  54
  55         r = add_acls_for_user(fd, uid);
  56         assert_se(r >= 0);
  57
  58         cmd = strjoina("ls -l ", fn);
  59         assert_se(system(cmd) == 0);
  60
  61         cmd = strjoina("getfacl -p ", fn);
  62         assert_se(system(cmd) == 0);
  63
  64         unlink(fn);
  65 }
  66
  67 int main(int argc, char **argv) {
  68         test_add_acls_for_user();
  69
  70         return 0;
  71 }