testsuite/smbd/se_access_check_denysome.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_denysome[] = {
  30         { SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
  31           GENERIC_ALL_ACCESS, "user1" },
  32         { SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
  33           GENERIC_ALL_ACCESS, "user3" },
  34         { SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
  35           GENERIC_ALL_ACCESS, "S-1-1-0" },
  36         { 0, 0, 0, NULL}
  37 };
  38
  39 BOOL denysome_check(struct passwd *pw, int ngroups, gid_t *groups)
  40 {
  41         uint32 acc_granted, status;
  42         fstring name;
  43         BOOL result;
  44         int len1, len2;
  45
  46         /* Check only user1 and user3 denied access */
  47
  48         result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
  49                                  ngroups, groups,
  50                                  SEC_RIGHTS_MAXIMUM_ALLOWED,
  51                                  &acc_granted, &status);
  52
  53         len1 = (int)strlen(pw->pw_name) - strlen("user1");
  54         len2 = (int)strlen(pw->pw_name) - strlen("user3");
  55
  56         if ((strncmp("user1", &pw->pw_name[MAX(len1, 0)],
  57                      strlen("user1")) == 0) ||
  58             (strncmp("user3", &pw->pw_name[MAX(len2, 0)],
  59                      strlen("user3")) == 0)) {
  60                 if (result || acc_granted != 0) {
  61                         printf("FAIL: access not denied for %s\n",
  62                                pw->pw_name);
  63                 }
  64         } else {
  65                 if (!result || acc_granted != GENERIC_ALL_ACCESS) {
  66                         printf("FAIL: access denied for %s\n", pw->pw_name);
  67                 }
  68         }
  69
  70         printf("result %s for user %s\n", result ? "allowed" : "denied",
  71                pw->pw_name);
  72
  73         return True;
  74 }
  75
  76 /* Main function */
  77
  78 int main(int argc, char **argv)
  79 {
  80         /* Initialisation */
  81
  82         generate_wellknown_sids();
  83
  84         /* Create security descriptor */
  85
  86         sd = build_sec_desc(acl_denysome, NULL, NULL_SID, NULL_SID);
  87
  88         if (!sd) {
  89                 printf("FAIL: could not build security descriptor\n");
  90                 return 1;
  91         }
  92
  93         /* Run test */
  94
  95         visit_pwdb(denysome_check);
  96
  97         /* Return */
  98
  99         if (!failed) {
 100                 printf("PASS\n");
 101                 return 0;
 102         }
 103
 104         return 1;
 105 }