source/torture/rpc/schannel.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    test suite for schannel operations
   5
   6    Copyright (C) Andrew Tridgell 2004
   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 2 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, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "librpc/gen_ndr/ndr_samr.h"
  25 #include "librpc/gen_ndr/ndr_netlogon.h"
  26 #include "lib/cmdline/popt_common.h"
  27
  28 #define TEST_MACHINE_NAME "schanneltest"
  29
  30 /*
  31   do some samr ops using the schannel connection
  32  */
  33 static BOOL test_samr_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
  34 {
  35         NTSTATUS status;
  36         struct samr_GetDomPwInfo r;
  37         struct samr_Connect connect;
  38         struct samr_OpenDomain opendom;
  39         int i;
  40         struct lsa_String name;
  41         struct policy_handle handle;
  42         struct policy_handle domain_handle;
  43
  44         name.string = lp_workgroup();
  45         r.in.domain_name = &name;
  46
  47         connect.in.system_name = 0;
  48         connect.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
  49         connect.out.connect_handle = &handle;
  50
  51         printf("Testing Connect and OpenDomain on BUILTIN\n");
  52
  53         status = dcerpc_samr_Connect(p, mem_ctx, &connect);
  54         if (!NT_STATUS_IS_OK(status)) {
  55                 printf("Connect failed - %s\n", nt_errstr(status));
  56                 return False;
  57         }
  58
  59         opendom.in.connect_handle = &handle;
  60         opendom.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
  61         opendom.in.sid = dom_sid_parse_talloc(mem_ctx, "S-1-5-32");
  62         opendom.out.domain_handle = &domain_handle;
  63
  64         status = dcerpc_samr_OpenDomain(p, mem_ctx, &opendom);
  65         if (!NT_STATUS_IS_OK(status)) {
  66                 printf("OpenDomain failed - %s\n", nt_errstr(status));
  67                 return False;
  68         }
  69
  70         printf("Testing GetDomPwInfo with name %s\n", r.in.domain_name->string);
  71
  72         /* do several ops to test credential chaining */
  73         for (i=0;i<5;i++) {
  74                 status = dcerpc_samr_GetDomPwInfo(p, mem_ctx, &r);
  75                 if (!NT_STATUS_IS_OK(status)) {
  76                         printf("GetDomPwInfo op %d failed - %s\n", i, nt_errstr(status));
  77                         return False;
  78                 }
  79         }
  80
  81         return True;
  82 }
  83
  84
  85 /*
  86   try a netlogon SamLogon
  87 */
  88 static BOOL test_netlogon_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
  89                               struct creds_CredentialState *creds)
  90 {
  91         NTSTATUS status;
  92         struct netr_LogonSamLogon r;
  93         struct netr_Authenticator auth, auth2;
  94         struct netr_NetworkInfo ninfo;
  95         const char *username = cli_credentials_get_username(cmdline_credentials);
  96         const char *password = cli_credentials_get_password(cmdline_credentials);
  97         int i;
  98         BOOL ret = True;
  99
 100         ninfo.identity_info.domain_name.string = lp_workgroup();
 101         ninfo.identity_info.parameter_control = 0;
 102         ninfo.identity_info.logon_id_low = 0;
 103         ninfo.identity_info.logon_id_high = 0;
 104         ninfo.identity_info.account_name.string = username;
 105         ninfo.identity_info.workstation.string = TEST_MACHINE_NAME;
 106         generate_random_buffer(ninfo.challenge,
 107                                sizeof(ninfo.challenge));
 108         ninfo.nt.length = 24;
 109         ninfo.nt.data = talloc_size(mem_ctx, 24);
 110         SMBNTencrypt(password, ninfo.challenge, ninfo.nt.data);
 111         ninfo.lm.length = 24;
 112         ninfo.lm.data = talloc_size(mem_ctx, 24);
 113         SMBencrypt(password, ninfo.challenge, ninfo.lm.data);
 114
 115
 116         r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
 117         r.in.workstation = TEST_MACHINE_NAME;
 118         r.in.credential = &auth;
 119         r.in.return_authenticator = &auth2;
 120         r.in.logon_level = 2;
 121         r.in.logon.network = &ninfo;
 122
 123         printf("Testing LogonSamLogon with name %s\n", username);
 124
 125         for (i=2;i<3;i++) {
 126                 ZERO_STRUCT(auth2);
 127                 creds_client_authenticator(creds, &auth);
 128
 129                 r.in.validation_level = i;
 130
 131                 status = dcerpc_netr_LogonSamLogon(p, mem_ctx, &r);
 132
 133                 if (!creds_client_check(creds, &r.out.return_authenticator->cred)) {
 134                         printf("Credential chaining failed\n");
 135                         ret = False;
 136                 }
 137
 138         }
 139         return ret;
 140 }
 141
 142 /*
 143   test a schannel connection with the given flags
 144  */
 145 static BOOL test_schannel(TALLOC_CTX *mem_ctx,
 146                           uint16_t acct_flags, uint32_t dcerpc_flags,
 147                           uint32_t schannel_type)
 148 {
 149         void *join_ctx;
 150         const char *machine_password;
 151         NTSTATUS status;
 152         const char *binding = lp_parm_string(-1, "torture", "binding");
 153         struct dcerpc_binding *b;
 154         struct dcerpc_pipe *p = NULL;
 155         struct dcerpc_pipe *p_netlogon = NULL;
 156         struct creds_CredentialState *creds;
 157         struct cli_credentials *credentials;
 158
 159         TALLOC_CTX *test_ctx = talloc_named(mem_ctx, 0, "test_schannel context");
 160         char *test_machine_account = talloc_asprintf(NULL, "%s$", TEST_MACHINE_NAME);
 161
 162         join_ctx = torture_create_testuser(test_machine_account, lp_workgroup(),
 163                                            acct_flags, &machine_password);
 164         if (!join_ctx) {
 165                 printf("Failed to join domain with acct_flags=0x%x\n", acct_flags);
 166                 talloc_free(test_ctx);
 167                 return False;
 168         }
 169
 170         status = dcerpc_parse_binding(test_ctx, binding, &b);
 171         if (!NT_STATUS_IS_OK(status)) {
 172                 printf("Bad binding string %s\n", binding);
 173                 goto failed;
 174         }
 175
 176         b->flags &= ~DCERPC_AUTH_OPTIONS;
 177         b->flags |= dcerpc_flags;
 178
 179         credentials = cli_credentials_init(mem_ctx);
 180         cli_credentials_set_conf(credentials);
 181
 182         cli_credentials_set_domain(credentials, lp_workgroup(), CRED_SPECIFIED);
 183         cli_credentials_set_workstation(credentials, TEST_MACHINE_NAME, CRED_SPECIFIED);
 184         cli_credentials_set_username(credentials, test_machine_account, CRED_SPECIFIED);
 185         cli_credentials_set_password(credentials, machine_password, CRED_SPECIFIED);
 186
 187         if (acct_flags == ACB_WSTRUST) {
 188                 cli_credentials_set_secure_channel_type(credentials,
 189                                                         SEC_CHAN_WKSTA);
 190         } else if (acct_flags == ACB_SVRTRUST) {
 191                 cli_credentials_set_secure_channel_type(credentials,
 192                                                         SEC_CHAN_BDC);
 193         } else {
 194                 goto failed;
 195         }
 196
 197         status = dcerpc_pipe_connect_b(test_ctx,
 198                                        &p, b,
 199                                        DCERPC_SAMR_UUID,
 200                                        DCERPC_SAMR_VERSION,
 201                                        credentials, NULL);
 202         if (!NT_STATUS_IS_OK(status)) {
 203                 printf("Failed to connect with schannel: %s\n", nt_errstr(status));
 204                 goto failed;
 205         }
 206
 207         if (!test_samr_ops(p, test_ctx)) {
 208                 printf("Failed to process schannel secured ops\n");
 209                 goto failed;
 210         }
 211
 212         status = dcerpc_schannel_creds(p->conn->security_state.generic_state, test_ctx, &creds);
 213         if (!NT_STATUS_IS_OK(status)) {
 214                 goto failed;
 215         }
 216
 217         /* Also test that when we connect to the netlogon pipe, that
 218          * the credentials we setup on the first pipe are valid for
 219          * the second */
 220
 221         /* Swap the binding details from SAMR to NETLOGON */
 222         status = dcerpc_epm_map_binding(test_ctx, b, DCERPC_NETLOGON_UUID,
 223                                         DCERPC_NETLOGON_VERSION, NULL);
 224         if (!NT_STATUS_IS_OK(status)) {
 225                 goto failed;
 226         }
 227
 228         status = dcerpc_secondary_connection(p, &p_netlogon,
 229                                              b);
 230
 231         if (!NT_STATUS_IS_OK(status)) {
 232                 goto failed;
 233         }
 234
 235         status = dcerpc_bind_auth_password(p_netlogon,
 236                                            DCERPC_NETLOGON_UUID,
 237                                            DCERPC_NETLOGON_VERSION,
 238                                            credentials, DCERPC_AUTH_TYPE_SCHANNEL,
 239                                            NULL);
 240
 241         if (!NT_STATUS_IS_OK(status)) {
 242                 goto failed;
 243         }
 244
 245         status = dcerpc_schannel_creds(p_netlogon->conn->security_state.generic_state, test_ctx, &creds);
 246         if (!NT_STATUS_IS_OK(status)) {
 247                 goto failed;
 248         }
 249
 250         /* do a couple of logins */
 251         if (!test_netlogon_ops(p_netlogon, test_ctx, creds)) {
 252                 printf("Failed to process schannel secured ops\n");
 253                 goto failed;
 254         }
 255
 256         torture_leave_domain(join_ctx);
 257         talloc_free(test_ctx);
 258         return True;
 259
 260 failed:
 261         torture_leave_domain(join_ctx);
 262         talloc_free(test_ctx);
 263         return False;
 264 }
 265
 266 /*
 267   a schannel test suite
 268  */
 269 BOOL torture_rpc_schannel(void)
 270 {
 271         TALLOC_CTX *mem_ctx;
 272         BOOL ret = True;
 273         struct {
 274                 uint16_t acct_flags;
 275                 uint32_t dcerpc_flags;
 276                 uint32_t schannel_type;
 277         } tests[] = {
 278                 { ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SIGN,                       3 },
 279                 { ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SEAL,                       3 },
 280                 { ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_128, 3 },
 281                 { ACB_WSTRUST,   DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128, 3 },
 282                 { ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SIGN,                               3 },
 283                 { ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SEAL,                               3 },
 284                 { ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_128,         3 },
 285                 { ACB_SVRTRUST,  DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128,         3 }
 286         };
 287         int i;
 288
 289         mem_ctx = talloc_init("torture_rpc_schannel");
 290
 291         for (i=0;i<ARRAY_SIZE(tests);i++) {
 292                 if (!test_schannel(mem_ctx,
 293                                    tests[i].acct_flags, tests[i].dcerpc_flags, tests[i].schannel_type)) {
 294                         printf("Failed with acct_flags=0x%x dcerpc_flags=0x%x schannel_type=%d\n",
 295                                tests[i].acct_flags, tests[i].dcerpc_flags, tests[i].schannel_type);
 296                         ret = False;
 297                         break;
 298                 }
 299         }
 300
 301         talloc_free(mem_ctx);
 302
 303         return ret;
 304 }