source4/torture/rpc/session_key.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    test suite for lsa rpc operations
   4
   5    Copyright (C) Andrew Tridgell 2003
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "librpc/gen_ndr/ndr_lsa_c.h"
  24
  25 #include "libcli/auth/libcli_auth.h"
  26 #include "torture/rpc/torture_rpc.h"
  27 #include "lib/cmdline/popt_common.h"
  28 #include "param/param.h"
  29
  30 static void init_lsa_String(struct lsa_String *name, const char *s)
  31 {
  32         name->string = s;
  33 }
  34
  35 static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
  36                                     struct torture_context *tctx,
  37                                     struct policy_handle *handle)
  38 {
  39         NTSTATUS status;
  40         struct lsa_CreateSecret r;
  41         struct lsa_SetSecret r3;
  42         struct lsa_QuerySecret r4;
  43         struct policy_handle sec_handle;
  44         struct lsa_DeleteObject d;
  45         struct lsa_DATA_BUF buf1;
  46         struct lsa_DATA_BUF_PTR bufp1;
  47         DATA_BLOB enc_key;
  48         DATA_BLOB session_key;
  49         NTTIME old_mtime, new_mtime;
  50         DATA_BLOB blob1, blob2;
  51         const char *secret1 = "abcdef12345699qwerty";
  52         char *secret2;
  53         char *secname;
  54         struct dcerpc_binding_handle *b = p->binding_handle;
  55
  56         secname = talloc_asprintf(tctx, "torturesecret-%u", (unsigned int)random());
  57
  58         torture_comment(tctx, "Testing CreateSecret of %s\n", secname);
  59
  60         init_lsa_String(&r.in.name, secname);
  61
  62         r.in.handle = handle;
  63         r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
  64         r.out.sec_handle = &sec_handle;
  65
  66         torture_assert_ntstatus_ok(tctx, dcerpc_lsa_CreateSecret_r(b, tctx, &r),
  67                 "CreateSecret failed");
  68         torture_assert_ntstatus_ok(tctx, r.out.result, "CreateSecret failed");
  69
  70         status = dcerpc_fetch_session_key(p, &session_key);
  71         torture_assert_ntstatus_ok(tctx, status, "dcerpc_fetch_session_key failed");
  72
  73         enc_key = sess_encrypt_string(secret1, &session_key);
  74
  75         r3.in.sec_handle = &sec_handle;
  76         r3.in.new_val = &buf1;
  77         r3.in.old_val = NULL;
  78         r3.in.new_val->data = enc_key.data;
  79         r3.in.new_val->length = enc_key.length;
  80         r3.in.new_val->size = enc_key.length;
  81
  82         torture_comment(tctx, "Testing SetSecret\n");
  83
  84         torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
  85                 "SetSecret failed");
  86         torture_assert_ntstatus_ok(tctx, r3.out.result, "SetSecret failed");
  87
  88         r3.in.sec_handle = &sec_handle;
  89         r3.in.new_val = &buf1;
  90         r3.in.old_val = NULL;
  91         r3.in.new_val->data = enc_key.data;
  92         r3.in.new_val->length = enc_key.length;
  93         r3.in.new_val->size = enc_key.length;
  94
  95         /* break the encrypted data */
  96         enc_key.data[0]++;
  97
  98         torture_comment(tctx, "Testing SetSecret with broken key\n");
  99
 100         torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
 101                 "SetSecret failed");
 102         torture_assert_ntstatus_equal(tctx, r3.out.result, NT_STATUS_UNKNOWN_REVISION,
 103                 "SetSecret should have failed UNKNOWN_REVISION");
 104
 105         data_blob_free(&enc_key);
 106
 107         ZERO_STRUCT(new_mtime);
 108         ZERO_STRUCT(old_mtime);
 109
 110         /* fetch the secret back again */
 111         r4.in.sec_handle = &sec_handle;
 112         r4.in.new_val = &bufp1;
 113         r4.in.new_mtime = &new_mtime;
 114         r4.in.old_val = NULL;
 115         r4.in.old_mtime = NULL;
 116
 117         bufp1.buf = NULL;
 118
 119         torture_comment(tctx, "Testing QuerySecret\n");
 120         torture_assert_ntstatus_ok(tctx, dcerpc_lsa_QuerySecret_r(b, tctx, &r4),
 121                 "QuerySecret failed");
 122         torture_assert_ntstatus_ok(tctx, r4.out.result, "QuerySecret failed");
 123         if (r4.out.new_val == NULL || r4.out.new_val->buf == NULL)
 124                 torture_fail(tctx, "No secret buffer returned");
 125         blob1.data = r4.out.new_val->buf->data;
 126         blob1.length = r4.out.new_val->buf->size;
 127
 128         blob2 = data_blob_talloc(tctx, NULL, blob1.length);
 129
 130         secret2 = sess_decrypt_string(tctx, &blob1, &session_key);
 131
 132         torture_assert_str_equal(tctx, secret1, secret2, "Returned secret invalid");
 133
 134         d.in.handle = &sec_handle;
 135         d.out.handle = &sec_handle;
 136         torture_assert_ntstatus_ok(tctx, dcerpc_lsa_DeleteObject_r(b, tctx, &d),
 137                 "DeleteObject failed");
 138         torture_assert_ntstatus_ok(tctx, d.out.result, "delete should have returned OKINVALID_HANDLE");
 139         return true;
 140 }
 141
 142 struct secret_settings {
 143         uint32_t bindoptions;
 144         bool keyexchange;
 145         bool ntlm2;
 146         bool lm_key;
 147 };
 148
 149 static bool test_secrets(struct torture_context *torture, const void *_data)
 150 {
 151         struct dcerpc_pipe *p;
 152         struct policy_handle *handle;
 153         struct dcerpc_binding *binding;
 154         const struct secret_settings *settings =
 155                 (const struct secret_settings *)_data;
 156         NTSTATUS status;
 157         struct dcerpc_binding_handle *b;
 158
 159         lp_set_cmdline(torture->lp_ctx, "ntlmssp client:keyexchange", settings->keyexchange?"True":"False");
 160         lp_set_cmdline(torture->lp_ctx, "ntlmssp_client:ntlm2", settings->ntlm2?"True":"False");
 161         lp_set_cmdline(torture->lp_ctx, "ntlmssp_client:lm_key", settings->lm_key?"True":"False");
 162
 163         torture_assert_ntstatus_ok(torture, torture_rpc_binding(torture, &binding),
 164                                    "Getting bindoptions");
 165
 166         binding->flags |= settings->bindoptions;
 167
 168         if (binding->flags & DCERPC_PUSH_BIGENDIAN) {
 169                 if (torture_setting_bool(torture, "samba3", false)) {
 170                         torture_skip(torture, "skipping bigendian test against samba3\n");
 171                 }
 172         }
 173
 174         status = dcerpc_pipe_connect_b(torture, &p, binding,
 175                                        &ndr_table_lsarpc,
 176                                        cmdline_credentials,
 177                                        torture->ev,
 178                                        torture->lp_ctx);
 179
 180         torture_assert_ntstatus_ok(torture, status, "connect");
 181         b = p->binding_handle;
 182
 183         if (!test_lsa_OpenPolicy2(b, torture, &handle)) {
 184                 talloc_free(p);
 185                 return false;
 186         }
 187
 188         torture_assert(torture, handle, "OpenPolicy2 failed.  This test cannot run against this server");
 189
 190         if (!test_CreateSecret_basic(p, torture, handle)) {
 191                 talloc_free(p);
 192                 return false;
 193         }
 194
 195         talloc_free(p);
 196
 197         return true;
 198 }
 199
 200 static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bindoptions,
 201                                      bool keyexchange, bool ntlm2, bool lm_key)
 202 {
 203         char *name = NULL;
 204         struct secret_settings *settings;
 205
 206         settings = talloc_zero(suite, struct secret_settings);
 207         settings->bindoptions = bindoptions;
 208
 209         if (bindoptions == DCERPC_PUSH_BIGENDIAN)
 210                 name = talloc_strdup(suite, "bigendian");
 211         else if (bindoptions == DCERPC_SEAL)
 212                 name = talloc_strdup(suite, "seal");
 213         else if (bindoptions == 0)
 214                 name = talloc_strdup(suite, "none");
 215         else
 216                 name = talloc_strdup(suite, "unknown");
 217
 218         name = talloc_asprintf_append_buffer(name, " keyexchange:%s", keyexchange?"yes":"no");
 219         settings->keyexchange = keyexchange;
 220
 221         name = talloc_asprintf_append_buffer(name, " ntlm2:%s", ntlm2?"yes":"no");
 222         settings->ntlm2 = ntlm2;
 223
 224         name = talloc_asprintf_append_buffer(name, " lm_key:%s", lm_key?"yes":"no");
 225         settings->lm_key = lm_key;
 226
 227         return torture_suite_add_simple_tcase_const(suite, name, test_secrets,
 228                         settings);
 229 }
 230
 231 static const bool bool_vals[] = { true, false };
 232
 233 /* TEST session key correctness by pushing and pulling secrets */
 234 struct torture_suite *torture_rpc_lsa_secrets(TALLOC_CTX *mem_ctx)
 235 {
 236         struct torture_suite *suite = torture_suite_create(mem_ctx, "LSA-SECRETS");
 237         int keyexchange, ntlm2, lm_key;
 238
 239         for (keyexchange = 0; keyexchange < ARRAY_SIZE(bool_vals); keyexchange++) {
 240                 for (ntlm2 = 0; ntlm2 < ARRAY_SIZE(bool_vals); ntlm2++) {
 241                         for (lm_key = 0; lm_key < ARRAY_SIZE(bool_vals); lm_key++) {
 242                                 add_test(suite, DCERPC_PUSH_BIGENDIAN, bool_vals[keyexchange], bool_vals[ntlm2],
 243                                          bool_vals[lm_key]);
 244                                 add_test(suite, DCERPC_SEAL, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
 245                                 add_test(suite, 0, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
 246                         }
 247                 }
 248         }
 249
 250         return suite;
 251 }