source4/torture/smb2/secleak.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    find security related memory leaks
   5
   6    Copyright (C) Andrew Tridgell 2004
   7    Copyright (C) David Mulder 2020
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/raw/raw_proto.h"
  26 #include "libcli/libcli.h"
  27 #include "torture/util.h"
  28 #include "system/time.h"
  29 #include "libcli/smb_composite/smb_composite.h"
  30 #include "auth/credentials/credentials.h"
  31 #include "param/param.h"
  32 #include "libcli/smb2/smb2.h"
  33 #include "libcli/smb2/smb2_calls.h"
  34 #include "torture/smb2/proto.h"
  35 #include "../libcli/smb/smbXcli_base.h"
  36
  37 static bool try_failed_login(struct torture_context *tctx, struct smb2_tree *tree)
  38 {
  39         NTSTATUS status;
  40         struct cli_credentials *credentials = NULL;
  41         uint32_t sessid = 0;
  42         struct smb2_session *session = NULL;
  43         bool result = true;
  44
  45         session = smb2_session_init(tree->session->transport,
  46                                     lpcfg_gensec_settings(tctx, tctx->lp_ctx),
  47                                     tctx);
  48         torture_assert(tctx, session, "Session initialization failed");
  49
  50         sessid = smb2cli_session_current_id(tree->session->smbXcli);
  51         credentials = cli_credentials_init(session);
  52         torture_assert_goto(tctx, credentials, result, done,
  53                             "Credential allocation failed");
  54
  55         cli_credentials_set_conf(credentials, tctx->lp_ctx);
  56         cli_credentials_set_domain(credentials, "INVALID-DOMAIN", CRED_SPECIFIED);
  57         cli_credentials_set_username(credentials, "INVALID-USERNAME", CRED_SPECIFIED);
  58         cli_credentials_set_password(credentials, "INVALID-PASSWORD", CRED_SPECIFIED);
  59
  60         status = smb2_session_setup_spnego(session, credentials, sessid);
  61         torture_assert_ntstatus_equal_goto(tctx, status,
  62                 NT_STATUS_LOGON_FAILURE, result, done,
  63                 "Allowed session setup with invalid credentials?!\n");
  64
  65 done:
  66         /* smb2_session_init() steals the transport, and if we don't steal it
  67          * back before freeing session, then we segfault on the next iteration
  68          * because the transport pointer in the tree is now invalid.
  69          */
  70         tree->session->transport = talloc_steal(tree->session, session->transport);
  71         talloc_free(session);
  72
  73         return result;
  74 }
  75
  76 bool torture_smb2_sec_leak(struct torture_context *tctx, struct smb2_tree *tree)
  77 {
  78         time_t t1 = time_mono(NULL);
  79         int timelimit = torture_setting_int(tctx, "timelimit", 20);
  80         bool result;
  81
  82         while (time_mono(NULL) < t1+timelimit) {
  83                 result = try_failed_login(tctx, tree);
  84                 torture_assert(tctx, result,
  85                                "Invalid credentials should have failed");
  86
  87                 talloc_report(NULL, stdout);
  88         }
  89
  90         return true;
  91 }