testsuite/smbd/se_access_check_empty.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Security context tests
   5    Copyright (C) Tim Potter 2000
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "se_access_check_utils.h"
  23
  24 /* Globals */
  25
  26 BOOL failed;
  27 SEC_DESC *sd;
  28
  29 struct ace_entry acl_empty[] = {
  30         { 0, 0, 0, NULL}
  31 };
  32
  33 /* Check that access is always allowed for a NULL security descriptor */
  34
  35 BOOL emptysd_check(struct passwd *pw, int ngroups, gid_t *groups)
  36 {
  37         uint32 acc_granted, status;
  38         BOOL result;
  39
  40         /* For no DACL, access is allowed and the desired access mask is
  41            returned */
  42
  43         result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
  44                                  ngroups, groups,
  45                                  SEC_RIGHTS_MAXIMUM_ALLOWED,
  46                                  &acc_granted, &status);
  47
  48         if (!result || !(acc_granted == SEC_RIGHTS_MAXIMUM_ALLOWED)) {
  49                 printf("FAIL: no dacl for %s (%d/%d)\n", pw->pw_name,
  50                        pw->pw_uid, pw->pw_gid);
  51                 failed = True;
  52         }
  53
  54         result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
  55                                  ngroups, groups, 0x1234,
  56                                  &acc_granted, &status);
  57
  58         if (!result || !(acc_granted == 0x1234)) {
  59                 printf("FAIL: no dacl2 for %s (%d/%d)\n", pw->pw_name,
  60                        pw->pw_uid, pw->pw_gid);
  61                 failed = True;
  62         }
  63
  64         /* If desired access mask is empty then no access is allowed */
  65
  66         result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
  67                                  ngroups, groups, 0,
  68                                  &acc_granted, &status);
  69
  70         if (result) {
  71                 printf("FAIL: zero desired access for %s (%d/%d)\n",
  72                        pw->pw_name, pw->pw_uid, pw->pw_gid);
  73                 failed = True;
  74         }
  75
  76         return True;
  77 }
  78
  79 /* Main function */
  80
  81 int main(int argc, char **argv)
  82 {
  83         /* Initialisation */
  84
  85         generate_wellknown_sids();
  86
  87         /* Create security descriptor */
  88
  89         sd = build_sec_desc(acl_empty, NULL, NULL_SID, NULL_SID);
  90
  91         if (!sd) {
  92                 printf("FAIL: could not build security descriptor\n");
  93                 return 1;
  94         }
  95
  96         /* Run test */
  97
  98         visit_pwdb(emptysd_check);
  99
 100         /* Return */
 101
 102         if (!failed) {
 103                 printf("PASS\n");
 104                 return 0;
 105         }
 106
 107         return 1;
 108 }