diff options
Diffstat (limited to 'source4/torture/rpc/samlogon.c')
| -rw-r--r-- | source4/torture/rpc/samlogon.c | 1855 |
1 files changed, 1855 insertions, 0 deletions
diff --git a/source4/torture/rpc/samlogon.c b/source4/torture/rpc/samlogon.c new file mode 100644 index 0000000000..e2558ff0a9 --- /dev/null +++ b/source4/torture/rpc/samlogon.c @@ -0,0 +1,1855 @@ +/* + Unix SMB/CIFS implementation. + + test suite for netlogon SamLogon operations + + Copyright (C) Andrew Tridgell 2003 + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004 + Copyright (C) Tim Potter 2003 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "librpc/gen_ndr/ndr_netlogon.h" +#include "librpc/gen_ndr/ndr_netlogon_c.h" +#include "librpc/gen_ndr/ndr_samr_c.h" +#include "auth/auth.h" +#include "lib/crypto/crypto.h" +#include "lib/cmdline/popt_common.h" +#include "torture/rpc/rpc.h" +#include "auth/gensec/schannel_proto.h" +#include "auth/gensec/gensec.h" +#include "libcli/auth/libcli_auth.h" +#include "param/param.h" + +#define TEST_MACHINE_NAME "samlogontest" +#define TEST_USER_NAME "samlogontestuser" +#define TEST_USER_NAME_WRONG_WKS "samlogontest2" +#define TEST_USER_NAME_WRONG_TIME "samlogontest3" + +enum ntlm_break { + BREAK_BOTH, + BREAK_NONE, + BREAK_LM, + BREAK_NT, + NO_LM, + NO_NT +}; + +struct samlogon_state { + TALLOC_CTX *mem_ctx; + const char *comment; + const char *account_name; + const char *account_domain; + const char *password; + struct dcerpc_pipe *p; + int function_level; + uint32_t parameter_control; + struct netr_LogonSamLogon r; + struct netr_LogonSamLogonEx r_ex; + struct netr_LogonSamLogonWithFlags r_flags; + struct netr_Authenticator auth, auth2; + struct creds_CredentialState *creds; + NTSTATUS expected_error; + bool old_password; /* Allow an old password to be accepted or rejected without error, as well as session key bugs */ + DATA_BLOB chall; + struct smb_iconv_convenience *iconv_convenience; +}; + +/* + Authenticate a user with a challenge/response, checking session key + and valid authentication types +*/ +static NTSTATUS check_samlogon(struct samlogon_state *samlogon_state, + enum ntlm_break break_which, + uint32_t parameter_control, + DATA_BLOB *chall, + DATA_BLOB *lm_response, + DATA_BLOB *nt_response, + uint8_t lm_key[8], + uint8_t user_session_key[16], + char **error_string) +{ + NTSTATUS status; + struct netr_LogonSamLogon *r = &samlogon_state->r; + struct netr_LogonSamLogonEx *r_ex = &samlogon_state->r_ex; + struct netr_LogonSamLogonWithFlags *r_flags = &samlogon_state->r_flags; + struct netr_NetworkInfo ninfo; + struct netr_SamBaseInfo *base = NULL; + uint16_t validation_level = 0; + + samlogon_state->r.in.logon.network = &ninfo; + samlogon_state->r_ex.in.logon.network = &ninfo; + samlogon_state->r_flags.in.logon.network = &ninfo; + + ninfo.identity_info.domain_name.string = samlogon_state->account_domain; + ninfo.identity_info.parameter_control = parameter_control; + ninfo.identity_info.logon_id_low = 0; + ninfo.identity_info.logon_id_high = 0; + ninfo.identity_info.account_name.string = samlogon_state->account_name; + ninfo.identity_info.workstation.string = TEST_MACHINE_NAME; + + memcpy(ninfo.challenge, chall->data, 8); + + switch (break_which) { + case BREAK_NONE: + break; + case BREAK_LM: + if (lm_response && lm_response->data) { + lm_response->data[0]++; + } + break; + case BREAK_NT: + if (nt_response && nt_response->data) { + nt_response->data[0]++; + } + break; + case BREAK_BOTH: + if (lm_response && lm_response->data) { + lm_response->data[0]++; + } + if (nt_response && nt_response->data) { + nt_response->data[0]++; + } + break; + case NO_LM: + data_blob_free(lm_response); + break; + case NO_NT: + data_blob_free(nt_response); + break; + } + + if (nt_response) { + ninfo.nt.data = nt_response->data; + ninfo.nt.length = nt_response->length; + } else { + ninfo.nt.data = NULL; + ninfo.nt.length = 0; + } + + if (lm_response) { + ninfo.lm.data = lm_response->data; + ninfo.lm.length = lm_response->length; + } else { + ninfo.lm.data = NULL; + ninfo.lm.length = 0; + } + + switch (samlogon_state->function_level) { + case NDR_NETR_LOGONSAMLOGON: + ZERO_STRUCT(samlogon_state->auth2); + creds_client_authenticator(samlogon_state->creds, &samlogon_state->auth); + + r->out.return_authenticator = NULL; + status = dcerpc_netr_LogonSamLogon(samlogon_state->p, samlogon_state->mem_ctx, r); + if (!r->out.return_authenticator || + !creds_client_check(samlogon_state->creds, &r->out.return_authenticator->cred)) { + d_printf("Credential chaining failed\n"); + } + if (!NT_STATUS_IS_OK(status)) { + if (error_string) { + *error_string = strdup(nt_errstr(status)); + } + return status; + } + + validation_level = r->in.validation_level; + + creds_decrypt_samlogon(samlogon_state->creds, validation_level, &r->out.validation); + + switch (validation_level) { + case 2: + base = &r->out.validation.sam2->base; + break; + case 3: + base = &r->out.validation.sam3->base; + break; + case 6: + base = &r->out.validation.sam6->base; + break; + } + break; + case NDR_NETR_LOGONSAMLOGONEX: + status = dcerpc_netr_LogonSamLogonEx(samlogon_state->p, samlogon_state->mem_ctx, r_ex); + if (!NT_STATUS_IS_OK(status)) { + if (error_string) { + *error_string = strdup(nt_errstr(status)); + } + return status; + } + + validation_level = r_ex->in.validation_level; + + creds_decrypt_samlogon(samlogon_state->creds, validation_level, &r_ex->out.validation); + + switch (validation_level) { + case 2: + base = &r_ex->out.validation.sam2->base; + break; + case 3: + base = &r_ex->out.validation.sam3->base; + break; + case 6: + base = &r_ex->out.validation.sam6->base; + break; + } + break; + case NDR_NETR_LOGONSAMLOGONWITHFLAGS: + ZERO_STRUCT(samlogon_state->auth2); + creds_client_authenticator(samlogon_state->creds, &samlogon_state->auth); + + r_flags->out.return_authenticator = NULL; + status = dcerpc_netr_LogonSamLogonWithFlags(samlogon_state->p, samlogon_state->mem_ctx, r_flags); + if (!r_flags->out.return_authenticator || + !creds_client_check(samlogon_state->creds, &r_flags->out.return_authenticator->cred)) { + d_printf("Credential chaining failed\n"); + } + if (!NT_STATUS_IS_OK(status)) { + if (error_string) { + *error_string = strdup(nt_errstr(status)); + } + return status; + } + + validation_level = r_flags->in.validation_level; + + creds_decrypt_samlogon(samlogon_state->creds, validation_level, &r_flags->out.validation); + + switch (validation_level) { + case 2: + base = &r_flags->out.validation.sam2->base; + break; + case 3: + base = &r_flags->out.validation.sam3->base; + break; + case 6: + base = &r_flags->out.validation.sam6->base; + break; + } + break; + default: + /* can't happen */ + return NT_STATUS_INVALID_PARAMETER; + } + + if (!base) { + d_printf("No user info returned from 'successful' SamLogon*() call!\n"); + return NT_STATUS_INVALID_PARAMETER; + } + + if (user_session_key) { + memcpy(user_session_key, base->key.key, 16); + } + if (lm_key) { + memcpy(lm_key, base->LMSessKey.key, 8); + } + + return status; +} + + +/* + * Test the normal 'LM and NTLM' combination + */ + +static bool test_lm_ntlm_broken(struct samlogon_state *samlogon_state, enum ntlm_break break_which, char **error_string) +{ + bool pass = true; + bool lm_good; + NTSTATUS nt_status; + DATA_BLOB lm_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB nt_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB session_key = data_blob_talloc(samlogon_state->mem_ctx, NULL, 16); + + uint8_t lm_key[8]; + uint8_t user_session_key[16]; + uint8_t lm_hash[16]; + uint8_t nt_hash[16]; + + ZERO_STRUCT(lm_key); + ZERO_STRUCT(user_session_key); + + lm_good = SMBencrypt(samlogon_state->password, samlogon_state->chall.data, lm_response.data); + if (!lm_good) { + ZERO_STRUCT(lm_hash); + } else { + E_deshash(samlogon_state->password, lm_hash); + } + + SMBNTencrypt(samlogon_state->password, samlogon_state->chall.data, nt_response.data); + + E_md4hash(samlogon_state->password, nt_hash); + SMBsesskeygen_ntv1(nt_hash, session_key.data); + + nt_status = check_samlogon(samlogon_state, + break_which, + samlogon_state->parameter_control, + &samlogon_state->chall, + &lm_response, + &nt_response, + lm_key, + user_session_key, + error_string); + + data_blob_free(&lm_response); + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'long' passwords, the LM password is invalid */ + if (break_which == NO_NT && !lm_good) { + return true; + } + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH)); + } else if (NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, nt_status) && strchr_m(samlogon_state->account_name, '@')) { + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH) || (break_which == NO_NT)); + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (break_which == NO_NT && !lm_good) { + *error_string = strdup("LM password is 'long' (> 14 chars and therefore invalid) but login did not fail!"); + return false; + } + + if (memcmp(lm_hash, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Key does not match expectations!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, lm_hash, 8); + pass = false; + } + + switch (break_which) { + case NO_NT: + { + uint8_t lm_key_expected[16]; + memcpy(lm_key_expected, lm_hash, 8); + memset(lm_key_expected+8, '\0', 8); + if (memcmp(lm_key_expected, user_session_key, + 16) != 0) { + *error_string = strdup("NT Session Key does not match expectations (should be first-8 LM hash)!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, sizeof(user_session_key)); + d_printf("expected:\n"); + dump_data(1, lm_key_expected, sizeof(lm_key_expected)); + pass = false; + } + break; + } + default: + if (memcmp(session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + *error_string = strdup("NT Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, session_key.data, session_key.length); + pass = false; + } + } + return pass; +} + +/* + * Test LM authentication, no NT response supplied + */ + +static bool test_lm(struct samlogon_state *samlogon_state, char **error_string) +{ + + return test_lm_ntlm_broken(samlogon_state, NO_NT, error_string); +} + +/* + * Test the NTLM response only, no LM. + */ + +static bool test_ntlm(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lm_ntlm_broken(samlogon_state, NO_LM, error_string); +} + +/* + * Test the NTLM response only, but in the LM field. + */ + +static bool test_ntlm_in_lm(struct samlogon_state *samlogon_state, char **error_string) +{ + bool lm_good; + bool pass = true; + NTSTATUS nt_status; + DATA_BLOB nt_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB session_key = data_blob_talloc(samlogon_state->mem_ctx, NULL, 16); + + uint8_t lm_key[8]; + uint8_t lm_hash[16]; + uint8_t user_session_key[16]; + uint8_t nt_hash[16]; + + ZERO_STRUCT(lm_key); + ZERO_STRUCT(user_session_key); + + SMBNTencrypt(samlogon_state->password, samlogon_state->chall.data, + nt_response.data); + E_md4hash(samlogon_state->password, nt_hash); + SMBsesskeygen_ntv1(nt_hash, + session_key.data); + + lm_good = E_deshash(samlogon_state->password, lm_hash); + if (!lm_good) { + ZERO_STRUCT(lm_hash); + } + nt_status = check_samlogon(samlogon_state, + BREAK_NONE, + samlogon_state->parameter_control, + &samlogon_state->chall, + &nt_response, + NULL, + lm_key, + user_session_key, + error_string); + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return false; + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (lm_good) { + if (memcmp(lm_hash, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Key does not match expectations!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, lm_hash, 8); + pass = false; + } +#if 0 + } else { + if (memcmp(session_key.data, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Key does not match expectations (first 8 session key)!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, session_key.data, 8); + pass = false; + } +#endif + } + if (lm_good && memcmp(lm_hash, user_session_key, 8) != 0) { + uint8_t lm_key_expected[16]; + memcpy(lm_key_expected, lm_hash, 8); + memset(lm_key_expected+8, '\0', 8); + if (memcmp(lm_key_expected, user_session_key, + 16) != 0) { + d_printf("NT Session Key does not match expectations (should be first-8 LM hash)!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, sizeof(user_session_key)); + d_printf("expected:\n"); + dump_data(1, lm_key_expected, sizeof(lm_key_expected)); + pass = false; + } + } + return pass; +} + +/* + * Test the NTLM response only, but in the both the NT and LM fields. + */ + +static bool test_ntlm_in_both(struct samlogon_state *samlogon_state, char **error_string) +{ + bool pass = true; + bool lm_good; + NTSTATUS nt_status; + DATA_BLOB nt_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB session_key = data_blob_talloc(samlogon_state->mem_ctx, NULL, 16); + + uint8_t lm_key[8]; + uint8_t lm_hash[16]; + uint8_t user_session_key[16]; + uint8_t nt_hash[16]; + + ZERO_STRUCT(lm_key); + ZERO_STRUCT(user_session_key); + + SMBNTencrypt(samlogon_state->password, samlogon_state->chall.data, + nt_response.data); + E_md4hash(samlogon_state->password, nt_hash); + SMBsesskeygen_ntv1(nt_hash, + session_key.data); + + lm_good = E_deshash(samlogon_state->password, lm_hash); + if (!lm_good) { + ZERO_STRUCT(lm_hash); + } + + nt_status = check_samlogon(samlogon_state, + BREAK_NONE, + samlogon_state->parameter_control, + &samlogon_state->chall, + NULL, + &nt_response, + lm_key, + user_session_key, + error_string); + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return false; + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (memcmp(lm_hash, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Key does not match expectations!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, lm_hash, 8); + pass = false; + } + if (memcmp(session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + d_printf("NT Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, session_key.data, session_key.length); + pass = false; + } + + + return pass; +} + +/* + * Test the NTLMv2 and LMv2 responses + */ + +enum ntlmv2_domain { + UPPER_DOMAIN, + NO_DOMAIN +}; + +static bool test_lmv2_ntlmv2_broken(struct samlogon_state *samlogon_state, + enum ntlm_break break_which, + enum ntlmv2_domain ntlmv2_domain, + char **error_string) +{ + bool pass = true; + NTSTATUS nt_status; + DATA_BLOB ntlmv2_response = data_blob(NULL, 0); + DATA_BLOB lmv2_response = data_blob(NULL, 0); + DATA_BLOB lmv2_session_key = data_blob(NULL, 0); + DATA_BLOB ntlmv2_session_key = data_blob(NULL, 0); + DATA_BLOB names_blob = NTLMv2_generate_names_blob(samlogon_state->mem_ctx, samlogon_state->iconv_convenience, TEST_MACHINE_NAME, lp_workgroup(global_loadparm)); + + uint8_t lm_session_key[8]; + uint8_t user_session_key[16]; + + ZERO_STRUCT(lm_session_key); + ZERO_STRUCT(user_session_key); + + switch (ntlmv2_domain) { + case UPPER_DOMAIN: + if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx, + samlogon_state->account_name, samlogon_state->account_domain, + samlogon_state->password, &samlogon_state->chall, + &names_blob, + &lmv2_response, &ntlmv2_response, + &lmv2_session_key, &ntlmv2_session_key)) { + data_blob_free(&names_blob); + return false; + } + break; + case NO_DOMAIN: + if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx, + samlogon_state->account_name, "", + samlogon_state->password, &samlogon_state->chall, + &names_blob, + &lmv2_response, &ntlmv2_response, + &lmv2_session_key, &ntlmv2_session_key)) { + data_blob_free(&names_blob); + return false; + } + break; + } + data_blob_free(&names_blob); + + nt_status = check_samlogon(samlogon_state, + break_which, + samlogon_state->parameter_control, + &samlogon_state->chall, + &lmv2_response, + &ntlmv2_response, + lm_session_key, + user_session_key, + error_string); + + data_blob_free(&lmv2_response); + data_blob_free(&ntlmv2_response); + + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return break_which == BREAK_BOTH; + } else if (NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, nt_status) && strchr_m(samlogon_state->account_name, '@')) { + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH) || (break_which == NO_NT)); + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + + switch (break_which) { + case NO_NT: + if (memcmp(lmv2_session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + d_printf("USER (LMv2) Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, lmv2_session_key.data, ntlmv2_session_key.length); + pass = false; + } + if (memcmp(lmv2_session_key.data, lm_session_key, + sizeof(lm_session_key)) != 0) { + d_printf("LM (LMv2) Session Key does not match expectations!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, lmv2_session_key.data, 8); + pass = false; + } + break; + default: + if (memcmp(ntlmv2_session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + if (memcmp(lmv2_session_key.data, user_session_key, + sizeof(user_session_key)) == 0) { + d_printf("USER (NTLMv2) Session Key expected, got LMv2 sessesion key instead:\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, ntlmv2_session_key.data, ntlmv2_session_key.length); + pass = false; + + } else { + d_printf("USER (NTLMv2) Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, ntlmv2_session_key.data, ntlmv2_session_key.length); + pass = false; + } + } + if (memcmp(ntlmv2_session_key.data, lm_session_key, + sizeof(lm_session_key)) != 0) { + if (memcmp(lmv2_session_key.data, lm_session_key, + sizeof(lm_session_key)) == 0) { + d_printf("LM (NTLMv2) Session Key expected, got LMv2 sessesion key instead:\n"); + d_printf("user_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, ntlmv2_session_key.data, 8); + pass = false; + } else { + d_printf("LM (NTLMv2) Session Key does not match expectations!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, ntlmv2_session_key.data, 8); + pass = false; + } + } + } + + return pass; +} + +/* + * Test the NTLM and LMv2 responses + */ + +static bool test_lmv2_ntlm_broken(struct samlogon_state *samlogon_state, + enum ntlm_break break_which, + enum ntlmv2_domain ntlmv2_domain, + char **error_string) +{ + bool pass = true; + NTSTATUS nt_status; + DATA_BLOB ntlmv2_response = data_blob(NULL, 0); + DATA_BLOB lmv2_response = data_blob(NULL, 0); + DATA_BLOB lmv2_session_key = data_blob(NULL, 0); + DATA_BLOB ntlmv2_session_key = data_blob(NULL, 0); + DATA_BLOB names_blob = NTLMv2_generate_names_blob(samlogon_state->mem_ctx, samlogon_state->iconv_convenience, lp_netbios_name(global_loadparm), lp_workgroup(global_loadparm)); + + DATA_BLOB ntlm_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB ntlm_session_key = data_blob_talloc(samlogon_state->mem_ctx, NULL, 16); + + bool lm_good; + uint8_t lm_hash[16]; + uint8_t lm_session_key[8]; + uint8_t user_session_key[16]; + uint8_t nt_hash[16]; + + SMBNTencrypt(samlogon_state->password, samlogon_state->chall.data, + ntlm_response.data); + E_md4hash(samlogon_state->password, nt_hash); + SMBsesskeygen_ntv1(nt_hash, + ntlm_session_key.data); + + lm_good = E_deshash(samlogon_state->password, lm_hash); + if (!lm_good) { + ZERO_STRUCT(lm_hash); + } + + ZERO_STRUCT(lm_session_key); + ZERO_STRUCT(user_session_key); + + switch (ntlmv2_domain) { + case UPPER_DOMAIN: + /* TODO - test with various domain cases, and without domain */ + if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx, + samlogon_state->account_name, samlogon_state->account_domain, + samlogon_state->password, &samlogon_state->chall, + &names_blob, + &lmv2_response, &ntlmv2_response, + &lmv2_session_key, &ntlmv2_session_key)) { + data_blob_free(&names_blob); + return false; + } + break; + case NO_DOMAIN: + /* TODO - test with various domain cases, and without domain */ + if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx, + samlogon_state->account_name, "", + samlogon_state->password, &samlogon_state->chall, + &names_blob, + &lmv2_response, &ntlmv2_response, + &lmv2_session_key, &ntlmv2_session_key)) { + data_blob_free(&names_blob); + return false; + } + break; + } + + data_blob_free(&names_blob); + + nt_status = check_samlogon(samlogon_state, + break_which, + samlogon_state->parameter_control, + &samlogon_state->chall, + &lmv2_response, + &ntlm_response, + lm_session_key, + user_session_key, + error_string); + + data_blob_free(&lmv2_response); + data_blob_free(&ntlmv2_response); + + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH)); + } else if (NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, nt_status) && strchr_m(samlogon_state->account_name, '@')) { + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH)); + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + switch (break_which) { + case NO_NT: + if (memcmp(lmv2_session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + d_printf("USER (LMv2) Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, lmv2_session_key.data, ntlmv2_session_key.length); + pass = false; + } + if (memcmp(lmv2_session_key.data, lm_session_key, + sizeof(lm_session_key)) != 0) { + d_printf("LM (LMv2) Session Key does not match expectations!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, lmv2_session_key.data, 8); + pass = false; + } + break; + case BREAK_LM: + if (memcmp(ntlm_session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + d_printf("USER (NTLMv2) Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, ntlm_session_key.data, ntlm_session_key.length); + pass = false; + } + if (lm_good) { + if (memcmp(lm_hash, lm_session_key, + sizeof(lm_session_key)) != 0) { + d_printf("LM Session Key does not match expectations!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, lm_hash, 8); + pass = false; + } + } else { + static const uint8_t zeros[8]; + if (memcmp(zeros, lm_session_key, + sizeof(lm_session_key)) != 0) { + d_printf("LM Session Key does not match expectations (zeros)!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, zeros, 8); + pass = false; + } + } + break; + default: + if (memcmp(ntlm_session_key.data, user_session_key, + sizeof(user_session_key)) != 0) { + d_printf("USER (NTLMv2) Session Key does not match expectations!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, 16); + d_printf("expected:\n"); + dump_data(1, ntlm_session_key.data, ntlm_session_key.length); + pass = false; + } + if (memcmp(ntlm_session_key.data, lm_session_key, + sizeof(lm_session_key)) != 0) { + d_printf("LM (NTLMv2) Session Key does not match expectations!\n"); + d_printf("lm_session_key:\n"); + dump_data(1, lm_session_key, 8); + d_printf("expected:\n"); + dump_data(1, ntlm_session_key.data, 8); + pass = false; + } + } + + return pass; +} + +/* + * Test the NTLMv2 and LMv2 responses + */ + +static bool test_lmv2_ntlmv2(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_NONE, UPPER_DOMAIN, error_string); +} + +#if 0 +static bool test_lmv2_ntlmv2_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_NONE, NO_DOMAIN, error_string); +} +#endif + +/* + * Test the LMv2 response only + */ + +static bool test_lmv2(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, NO_NT, UPPER_DOMAIN, error_string); +} + +static bool test_lmv2_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, NO_NT, NO_DOMAIN, error_string); +} + +/* + * Test the NTLMv2 response only + */ + +static bool test_ntlmv2(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, NO_LM, UPPER_DOMAIN, error_string); +} + +static bool test_ntlmv2_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, NO_LM, NO_DOMAIN, error_string); +} + +static bool test_lm_ntlm(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lm_ntlm_broken(samlogon_state, BREAK_NONE, error_string); +} + +static bool test_ntlm_lm_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lm_ntlm_broken(samlogon_state, BREAK_LM, error_string); +} + +static bool test_ntlm_ntlm_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lm_ntlm_broken(samlogon_state, BREAK_NT, error_string); +} + +static bool test_lm_ntlm_both_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lm_ntlm_broken(samlogon_state, BREAK_BOTH, error_string); +} +static bool test_ntlmv2_lmv2_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_LM, UPPER_DOMAIN, error_string); +} + +static bool test_ntlmv2_lmv2_broken_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_LM, NO_DOMAIN, error_string); +} + +static bool test_ntlmv2_ntlmv2_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_NT, UPPER_DOMAIN, error_string); +} + +#if 0 +static bool test_ntlmv2_ntlmv2_broken_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_NT, NO_DOMAIN, error_string); +} +#endif + +static bool test_ntlmv2_both_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_BOTH, UPPER_DOMAIN, error_string); +} + +static bool test_ntlmv2_both_broken_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlmv2_broken(samlogon_state, BREAK_BOTH, NO_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_both_broken(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_BOTH, UPPER_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_both_broken_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_BOTH, NO_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_break_ntlm(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_NT, UPPER_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_break_ntlm_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_NT, NO_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_break_lm(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_LM, UPPER_DOMAIN, error_string); +} + +static bool test_lmv2_ntlm_break_lm_no_dom(struct samlogon_state *samlogon_state, char **error_string) +{ + return test_lmv2_ntlm_broken(samlogon_state, BREAK_LM, NO_DOMAIN, error_string); +} + +/* + * Test the NTLM2 response (extra challenge in LM feild) + * + * This test is the same as the 'break LM' test, but checks that the + * server implements NTLM2 session security in the right place + * (NETLOGON is the wrong place). + */ + +static bool test_ntlm2(struct samlogon_state *samlogon_state, char **error_string) +{ + bool pass = true; + NTSTATUS nt_status; + DATA_BLOB lm_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + DATA_BLOB nt_response = data_blob_talloc(samlogon_state->mem_ctx, NULL, 24); + + bool lm_good; + uint8_t lm_key[8]; + uint8_t nt_hash[16]; + uint8_t lm_hash[16]; + uint8_t nt_key[16]; + uint8_t user_session_key[16]; + uint8_t expected_user_session_key[16]; + uint8_t session_nonce_hash[16]; + uint8_t client_chall[8]; + + struct MD5Context md5_session_nonce_ctx; + HMACMD5Context hmac_ctx; + + ZERO_STRUCT(user_session_key); + ZERO_STRUCT(lm_key); + generate_random_buffer(client_chall, 8); + + MD5Init(&md5_session_nonce_ctx); + MD5Update(&md5_session_nonce_ctx, samlogon_state->chall.data, 8); + MD5Update(&md5_session_nonce_ctx, client_chall, 8); + MD5Final(session_nonce_hash, &md5_session_nonce_ctx); + + E_md4hash(samlogon_state->password, (uint8_t *)nt_hash); + lm_good = E_deshash(samlogon_state->password, (uint8_t *)lm_hash); + SMBsesskeygen_ntv1((const uint8_t *)nt_hash, + nt_key); + + SMBNTencrypt(samlogon_state->password, samlogon_state->chall.data, nt_response.data); + + memcpy(lm_response.data, session_nonce_hash, 8); + memset(lm_response.data + 8, 0, 16); + + hmac_md5_init_rfc2104(nt_key, 16, &hmac_ctx); + hmac_md5_update(samlogon_state->chall.data, 8, &hmac_ctx); + hmac_md5_update(client_chall, 8, &hmac_ctx); + hmac_md5_final(expected_user_session_key, &hmac_ctx); + + nt_status = check_samlogon(samlogon_state, + BREAK_NONE, + samlogon_state->parameter_control, + &samlogon_state->chall, + &lm_response, + &nt_response, + lm_key, + user_session_key, + error_string); + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + return false; + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (lm_good) { + if (memcmp(lm_hash, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Key does not match expectations!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, lm_hash, 8); + pass = false; + } + } else { + static const uint8_t zeros[8]; + if (memcmp(zeros, lm_key, + sizeof(lm_key)) != 0) { + d_printf("LM Session Key does not match expectations (zeros)!\n"); + d_printf("lm_key:\n"); + dump_data(1, lm_key, 8); + d_printf("expected:\n"); + dump_data(1, zeros, 8); + pass = false; + } + } + if (memcmp(nt_key, user_session_key, 16) != 0) { + d_printf("NT Session Key does not match expectations (should be NT Key)!\n"); + d_printf("user_session_key:\n"); + dump_data(1, user_session_key, sizeof(user_session_key)); + d_printf("expected:\n"); + dump_data(1, nt_key, sizeof(nt_key)); + pass = false; + } + return pass; +} + +static bool test_plaintext(struct samlogon_state *samlogon_state, enum ntlm_break break_which, char **error_string) +{ + NTSTATUS nt_status; + DATA_BLOB nt_response = data_blob(NULL, 0); + DATA_BLOB lm_response = data_blob(NULL, 0); + char *password; + char *dospw; + void *unicodepw; + + uint8_t user_session_key[16]; + uint8_t lm_key[16]; + uint8_t lm_hash[16]; + static const uint8_t zeros[8]; + DATA_BLOB chall = data_blob_talloc(samlogon_state->mem_ctx, zeros, sizeof(zeros)); + bool lm_good = E_deshash(samlogon_state->password, lm_hash); + + ZERO_STRUCT(user_session_key); + + if ((push_ucs2_talloc(samlogon_state->mem_ctx, + samlogon_state->iconv_convenience, + &unicodepw, samlogon_state->password)) == -1) { + DEBUG(0, ("push_ucs2_allocate failed!\n")); + exit(1); + } + + nt_response = data_blob_talloc(samlogon_state->mem_ctx, unicodepw, strlen_m(samlogon_state->password)*2); + + password = strupper_talloc(samlogon_state->mem_ctx, samlogon_state->password); + + if ((convert_string_talloc(samlogon_state->mem_ctx, + samlogon_state->iconv_convenience, + CH_UNIX, CH_DOS, + password, strlen(password)+1, + (void**)&dospw)) == -1) { + DEBUG(0, ("convert_string_talloc failed!\n")); + exit(1); + } + + lm_response = data_blob_talloc(samlogon_state->mem_ctx, dospw, strlen(dospw)); + + nt_status = check_samlogon(samlogon_state, + break_which, + samlogon_state->parameter_control | MSV1_0_CLEARTEXT_PASSWORD_ALLOWED, + &chall, + &lm_response, + &nt_response, + lm_key, + user_session_key, + error_string); + + if (NT_STATUS_EQUAL(NT_STATUS_WRONG_PASSWORD, nt_status)) { + /* for 'old' passwords, we allow the server to be OK or wrong password */ + if (samlogon_state->old_password) { + return true; + } + /* for 'long' passwords, the LM password is invalid */ + if (break_which == NO_NT && !lm_good) { + return true; + } + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH)); + } else if (NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, nt_status) && strchr_m(samlogon_state->account_name, '@')) { + return ((break_which == BREAK_NT) || (break_which == BREAK_BOTH) || (break_which == NO_NT)); + } else if (!NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status)) { + SAFE_FREE(*error_string); + asprintf(error_string, "Expected error: %s, got %s", nt_errstr(samlogon_state->expected_error), nt_errstr(nt_status)); + return false; + } else if (NT_STATUS_EQUAL(samlogon_state->expected_error, nt_status) && !NT_STATUS_IS_OK(nt_status)) { + return true; + } else if (!NT_STATUS_IS_OK(nt_status)) { + return false; + } + + if (break_which == NO_NT && !lm_good) { + *error_string = strdup("LM password is 'long' (> 14 chars and therefore invalid) but login did not fail!"); + return false; + } + + return true; +} + +static bool test_plaintext_none_broken(struct samlogon_state *samlogon_state, + char **error_string) { + return test_plaintext(samlogon_state, BREAK_NONE, error_string); +} + +static bool test_plaintext_lm_broken(struct samlogon_state *samlogon_state, + char **error_string) { + return test_plaintext(samlogon_state, BREAK_LM, error_string); +} + +static bool test_plaintext_nt_broken(struct samlogon_state *samlogon_state, + char **error_string) { + return test_plaintext(samlogon_state, BREAK_NT, error_string); +} + +static bool test_plaintext_nt_only(struct samlogon_state *samlogon_state, + char **error_string) { + return test_plaintext(samlogon_state, NO_LM, error_string); +} + +static bool test_plaintext_lm_only(struct samlogon_state *samlogon_state, + char **error_string) { + return test_plaintext(samlogon_state, NO_NT, error_string); +} + +/* + Tests: + + - LM only + - NT and LM + - NT + - NT in LM field + - NT in both fields + - NTLMv2 + - NTLMv2 and LMv2 + - LMv2 + - plaintext tests (in challenge-response fields) + + check we get the correct session key in each case + check what values we get for the LM session key + +*/ + +static const struct ntlm_tests { + bool (*fn)(struct samlogon_state *, char **); + const char *name; + bool expect_fail; +} test_table[] = { + {test_lmv2_ntlmv2, "NTLMv2 and LMv2", false}, +#if 0 + {test_lmv2_ntlmv2_no_dom, "NTLMv2 and LMv2 (no domain)", false}, +#endif + {test_lm, "LM", false}, + {test_lm_ntlm, "LM and NTLM", false}, + {test_lm_ntlm_both_broken, "LM and NTLM, both broken", false}, + {test_ntlm, "NTLM", false}, + {test_ntlm_in_lm, "NTLM in LM", false}, + {test_ntlm_in_both, "NTLM in both", false}, + {test_ntlmv2, "NTLMv2", false}, + {test_ntlmv2_no_dom, "NTLMv2 (no domain)", false}, + {test_lmv2, "LMv2", false}, + {test_lmv2_no_dom, "LMv2 (no domain)", false}, + {test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken", false}, + {test_ntlmv2_lmv2_broken_no_dom, "NTLMv2 and LMv2, LMv2 broken (no domain)", false}, + {test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken", false}, +#if 0 + {test_ntlmv2_ntlmv2_broken_no_dom, "NTLMv2 and LMv2, NTLMv2 broken (no domain)", false}, +#endif + {test_ntlmv2_both_broken, "NTLMv2 and LMv2, both broken", false}, + {test_ntlmv2_both_broken_no_dom, "NTLMv2 and LMv2, both broken (no domain)", false}, + {test_ntlm_lm_broken, "NTLM and LM, LM broken", false}, + {test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken", false}, + {test_ntlm2, "NTLM2 (NTLMv2 session security)", false}, + {test_lmv2_ntlm_both_broken, "LMv2 and NTLM, both broken", false}, + {test_lmv2_ntlm_both_broken_no_dom, "LMv2 and NTLM, both broken (no domain)", false}, + {test_lmv2_ntlm_break_ntlm, "LMv2 and NTLM, NTLM broken", false}, + {test_lmv2_ntlm_break_ntlm_no_dom, "LMv2 and NTLM, NTLM broken (no domain)", false}, + {test_lmv2_ntlm_break_lm, "LMv2 and NTLM, LMv2 broken", false}, + {test_lmv2_ntlm_break_lm_no_dom, "LMv2 and NTLM, LMv2 broken (no domain)", false}, + {test_plaintext_none_broken, "Plaintext", false}, + {test_plaintext_lm_broken, "Plaintext LM broken", false}, + {test_plaintext_nt_broken, "Plaintext NT broken", false}, + {test_plaintext_nt_only, "Plaintext NT only", false}, + {test_plaintext_lm_only, "Plaintext LM only", false}, + {NULL, NULL} +}; + +/* + try a netlogon SamLogon +*/ +static bool test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx, + struct torture_context *tctx, + struct creds_CredentialState *creds, + const char *comment, + const char *account_domain, const char *account_name, + const char *plain_pass, uint32_t parameter_control, + NTSTATUS expected_error, bool old_password, + int n_subtests) +{ + TALLOC_CTX *fn_ctx = talloc_named(mem_ctx, 0, "test_SamLogon function-level context"); + int i, v, l, f; + bool ret = true; + int validation_levels[] = {2,3,6}; + int logon_levels[] = { 2, 6 }; + int function_levels[] = { + NDR_NETR_LOGONSAMLOGON, + NDR_NETR_LOGONSAMLOGONEX, + NDR_NETR_LOGONSAMLOGONWITHFLAGS }; + struct samlogon_state samlogon_state; + + d_printf("testing netr_LogonSamLogon and netr_LogonSamLogonWithFlags\n"); + + samlogon_state.comment = comment; + samlogon_state.account_name = account_name; + samlogon_state.account_domain = account_domain; + samlogon_state.password = plain_pass; + samlogon_state.p = p; + samlogon_state.creds = creds; + samlogon_state.expected_error = expected_error; + samlogon_state.chall = data_blob_talloc(fn_ctx, NULL, 8); + samlogon_state.parameter_control = parameter_control; + samlogon_state.old_password = old_password; + samlogon_state.iconv_convenience = lp_iconv_convenience(tctx->lp_ctx); + + generate_random_buffer(samlogon_state.chall.data, 8); + samlogon_state.r_flags.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p)); + samlogon_state.r_flags.in.computer_name = TEST_MACHINE_NAME; + samlogon_state.r_flags.in.credential = &samlogon_state.auth; + samlogon_state.r_flags.in.return_authenticator = &samlogon_state.auth2; + samlogon_state.r_flags.in.flags = 0; + + samlogon_state.r_ex.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p)); + samlogon_state.r_ex.in.computer_name = TEST_MACHINE_NAME; + samlogon_state.r_ex.in.flags = 0; + + samlogon_state.r.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p)); + samlogon_state.r.in.computer_name = TEST_MACHINE_NAME; + samlogon_state.r.in.credential = &samlogon_state.auth; + samlogon_state.r.in.return_authenticator = &samlogon_state.auth2; + + for (f=0;f<ARRAY_SIZE(function_levels);f++) { + for (i=0; test_table[i].fn; i++) { + if (n_subtests && (i > n_subtests)) { + continue; + } + for (v=0;v<ARRAY_SIZE(validation_levels);v++) { + for (l=0;l<ARRAY_SIZE(logon_levels);l++) { + char *error_string = NULL; + TALLOC_CTX *tmp_ctx = talloc_named(fn_ctx, 0, "test_SamLogon inner loop"); + samlogon_state.mem_ctx = tmp_ctx; + samlogon_state.function_level = function_levels[f]; + samlogon_state.r.in.validation_level = validation_levels[v]; + samlogon_state.r.in.logon_level = logon_levels[l]; + samlogon_state.r_ex.in.validation_level = validation_levels[v]; + samlogon_state.r_ex.in.logon_level = logon_levels[l]; + samlogon_state.r_flags.in.validation_level = validation_levels[v]; + samlogon_state.r_flags.in.logon_level = logon_levels[l]; + if (!test_table[i].fn(&samlogon_state, &error_string)) { + d_printf("Testing '%s' [%s]\\[%s] '%s' at validation level %d, logon level %d, function %d: \n", + samlogon_state.comment, + samlogon_state.account_domain, + samlogon_state.account_name, + test_table[i].name, validation_levels[v], + logon_levels[l], function_levels[f]); + + if (test_table[i].expect_fail) { + d_printf(" failed (expected, test incomplete): %s\n", error_string); + } else { + d_printf(" failed: %s\n", error_string); + ret = false; + } + SAFE_FREE(error_string); + } + talloc_free(tmp_ctx); + } + } + } + } + talloc_free(fn_ctx); + return ret; +} + +/* + test an ADS style interactive domain logon +*/ +bool test_InteractiveLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx, + struct creds_CredentialState *creds, + const char *comment, + const char *workstation_name, + const char *account_domain, const char *account_name, + const char *plain_pass, uint32_t parameter_control, + NTSTATUS expected_error) +{ + NTSTATUS status; + TALLOC_CTX *fn_ctx = talloc_named(mem_ctx, 0, "test_InteractiveLogon function-level context"); + struct netr_LogonSamLogonWithFlags r; + struct netr_Authenticator a, ra; + struct netr_PasswordInfo pinfo; + + ZERO_STRUCT(a); + ZERO_STRUCT(r); + ZERO_STRUCT(ra); + + creds_client_authenticator(creds, &a); + + r.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p)); + r.in.computer_name = TEST_MACHINE_NAME; + r.in.credential = &a; + r.in.return_authenticator = &ra; + r.in.logon_level = 5; + r.in.logon.password = &pinfo; + r.in.validation_level = 6; + r.in.flags = 0; + + pinfo.identity_info.domain_name.string = account_domain; + pinfo.identity_info.parameter_control = parameter_control; + pinfo.identity_info.logon_id_low = 0; + pinfo.identity_info.logon_id_high = 0; + pinfo.identity_info.account_name.string = account_name; + pinfo.identity_info.workstation.string = workstation_name; + + if (!E_deshash(plain_pass, pinfo.lmpassword.hash)) { + ZERO_STRUCT(pinfo.lmpassword.hash); + } + E_md4hash(plain_pass, pinfo.ntpassword.hash); + + if (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) { + creds_arcfour_crypt(creds, pinfo.lmpassword.hash, 16); + creds_arcfour_crypt(creds, pinfo.ntpassword.hash, 16); + } else { + creds_des_encrypt(creds, &pinfo.lmpassword); + creds_des_encrypt(creds, &pinfo.ntpassword); + } + + d_printf("Testing netr_LogonSamLogonWithFlags '%s' (Interactive Logon)\n", comment); + + status = dcerpc_netr_LogonSamLogonWithFlags(p, fn_ctx, &r); + if (!r.out.return_authenticator + || !creds_client_check(creds, &r.out.return_authenticator->cred)) { + d_printf("Credential chaining failed\n"); + talloc_free(fn_ctx); + return false; + } + + talloc_free(fn_ctx); + + if (!NT_STATUS_EQUAL(expected_error, status)) { + d_printf("[%s]\\[%s] netr_LogonSamLogonWithFlags - expected %s got %s\n", + account_domain, account_name, nt_errstr(expected_error), nt_errstr(status)); + return false; + } + + return true; +} + + + +bool torture_rpc_samlogon(struct torture_context *torture) +{ + NTSTATUS status; + struct dcerpc_pipe *p; + struct dcerpc_binding *b; + struct cli_credentials *machine_credentials; + TALLOC_CTX *mem_ctx = talloc_init("torture_rpc_netlogon"); + bool ret = true; + struct test_join *join_ctx = NULL; + struct test_join *user_ctx = NULL, *user_ctx_wrong_wks = NULL, *user_ctx_wrong_time = NULL; + char *user_password, *user_password_wrong_wks, *user_password_wrong_time; + const char *old_user_password; + char *test_machine_account; + const char *userdomain; + struct samr_SetUserInfo s; + union samr_UserInfo u; + int i; + int ci; + + unsigned int credential_flags[] = { + NETLOGON_NEG_AUTH2_FLAGS, + NETLOGON_NEG_ARCFOUR, + NETLOGON_NEG_ARCFOUR | NETLOGON_NEG_128BIT, + NETLOGON_NEG_AUTH2_ADS_FLAGS, + 0 /* yes, this is a valid flag, causes the use of DES */ + }; + + struct creds_CredentialState *creds; + + test_machine_account = talloc_asprintf(mem_ctx, "%s$", TEST_MACHINE_NAME); + /* We only need to join as a workstation here, and in future, + * if we wish to test against trusted domains, we must be a + * workstation here */ + join_ctx = torture_join_domain(torture, TEST_MACHINE_NAME, ACB_WSTRUST, + &machine_credentials); + if (!join_ctx) { + d_printf("Failed to join as Workstation\n"); + return false; + } + + userdomain = torture_setting_string(torture, "userdomain", lp_workgroup(torture->lp_ctx)); + + user_ctx = torture_create_testuser(torture, + TEST_USER_NAME, + userdomain, + ACB_NORMAL, + (const char **)&user_password); + if (!user_ctx) { + d_printf("Failed to create a test user\n"); + return false; + } + + old_user_password = user_password; + + test_ChangePasswordUser3(torture_join_samr_pipe(user_ctx), mem_ctx, + TEST_USER_NAME, 16 /* > 14 */, &user_password, + NULL, 0, false); + + user_ctx_wrong_wks = torture_create_testuser(torture, + TEST_USER_NAME_WRONG_WKS, + userdomain, + ACB_NORMAL, + (const char **)&user_password_wrong_wks); + if (!user_ctx_wrong_wks) { + d_printf("Failed to create a test user (wrong workstation test)\n"); + return false; + } + + ZERO_STRUCT(u); + s.in.user_handle = torture_join_samr_user_policy(user_ctx_wrong_wks); + s.in.info = &u; + s.in.level = 21; + + u.info21.fields_present = SAMR_FIELD_WORKSTATIONS; + u.info21.workstations.string = "not" TEST_MACHINE_NAME; + + status = dcerpc_samr_SetUserInfo(torture_join_samr_pipe(user_ctx_wrong_wks), mem_ctx, &s); + if (!NT_STATUS_IS_OK(status)) { + printf("SetUserInfo (list of workstations) failed - %s\n", nt_errstr(status)); + ret = false; + goto failed; + } + + user_ctx_wrong_time + = torture_create_testuser(torture, TEST_USER_NAME_WRONG_TIME, + userdomain, + ACB_NORMAL, + (const char **)&user_password_wrong_time); + if (!user_ctx_wrong_time) { + d_printf("Failed to create a test user (wrong workstation test)\n"); + return false; + } + + ZERO_STRUCT(u); + s.in.user_handle = torture_join_samr_user_policy(user_ctx_wrong_time); + s.in.info = &u; + s.in.level = 21; + + u.info21.fields_present = SAMR_FIELD_WORKSTATIONS | SAMR_FIELD_LOGON_HOURS; + u.info21.workstations.string = TEST_MACHINE_NAME; + u.info21.logon_hours.units_per_week = 168; + u.info21.logon_hours.bits = talloc_zero_array(mem_ctx, uint8_t, 168); + + status = dcerpc_samr_SetUserInfo(torture_join_samr_pipe(user_ctx_wrong_time), mem_ctx, &s); + if (!NT_STATUS_IS_OK(status)) { + printf("SetUserInfo (logon times and list of workstations) failed - %s\n", nt_errstr(status)); + ret = false; + goto failed; + } + + status = torture_rpc_binding(torture, &b); + if (!NT_STATUS_IS_OK(status)) { + ret = false; + goto failed; + } + + /* We have to use schannel, otherwise the SamLogonEx fails + * with INTERNAL_ERROR */ + + b->flags &= ~DCERPC_AUTH_OPTIONS; + b->flags |= DCERPC_SCHANNEL | DCERPC_SIGN | DCERPC_SCHANNEL_128; + + status = dcerpc_pipe_connect_b(mem_ctx, &p, b, + &ndr_table_netlogon, + machine_credentials, torture->ev, torture->lp_ctx); + + if (!NT_STATUS_IS_OK(status)) { + d_printf("RPC pipe connect as domain member failed: %s\n", nt_errstr(status)); + ret = false; + goto failed; + } + + status = dcerpc_schannel_creds(p->conn->security_state.generic_state, mem_ctx, &creds); + if (!NT_STATUS_IS_OK(status)) { + ret = false; + goto failed; + } + + { + + struct { + const char *comment; + const char *domain; + const char *username; + const char *password; + bool network_login; + NTSTATUS expected_interactive_error; + NTSTATUS expected_network_error; + uint32_t parameter_control; + bool old_password; /* Allow an old password to be accepted or rejected without error, as well as session key bugs */ + } usercreds[] = { + { + .comment = "domain\\user", + .domain = cli_credentials_get_domain(cmdline_credentials), + .username = cli_credentials_get_username(cmdline_credentials), + .password = cli_credentials_get_password(cmdline_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "realm\\user", + .domain = cli_credentials_get_realm(cmdline_credentials), + .username = cli_credentials_get_username(cmdline_credentials), + .password = cli_credentials_get_password(cmdline_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "user@domain", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + cli_credentials_get_username(cmdline_credentials), + cli_credentials_get_domain(cmdline_credentials) + ), + .password = cli_credentials_get_password(cmdline_credentials), + .network_login = false, /* works for some things, but not NTLMv2. Odd */ + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "user@realm", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + cli_credentials_get_username(cmdline_credentials), + cli_credentials_get_realm(cmdline_credentials) + ), + .password = cli_credentials_get_password(cmdline_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "machine domain\\user", + .domain = cli_credentials_get_domain(machine_credentials), + .username = cli_credentials_get_username(machine_credentials), + .password = cli_credentials_get_password(machine_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_NO_SUCH_USER, + .parameter_control = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT + }, + { + .comment = "machine domain\\user", + .domain = cli_credentials_get_domain(machine_credentials), + .username = cli_credentials_get_username(machine_credentials), + .password = cli_credentials_get_password(machine_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_NO_SUCH_USER, + .expected_network_error = NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT + }, + { + .comment = "machine realm\\user", + .domain = cli_credentials_get_realm(machine_credentials), + .username = cli_credentials_get_username(machine_credentials), + .password = cli_credentials_get_password(machine_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_NO_SUCH_USER, + .parameter_control = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT + }, + { + .comment = "machine user@domain", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + cli_credentials_get_username(machine_credentials), + cli_credentials_get_domain(machine_credentials) + ), + .password = cli_credentials_get_password(machine_credentials), + .network_login = false, /* works for some things, but not NTLMv2. Odd */ + .expected_interactive_error = NT_STATUS_NO_SUCH_USER, + .parameter_control = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT + }, + { + .comment = "machine user@realm", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + cli_credentials_get_username(machine_credentials), + cli_credentials_get_realm(machine_credentials) + ), + .password = cli_credentials_get_password(machine_credentials), + .network_login = true, + .expected_interactive_error = NT_STATUS_NO_SUCH_USER, + .parameter_control = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT + }, + { + .comment = "test user (long pw): domain\\user", + .domain = userdomain, + .username = TEST_USER_NAME, + .password = user_password, + .network_login = true, + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "test user (long pw): user@realm", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + TEST_USER_NAME, + lp_realm(torture->lp_ctx)), + .password = user_password, + .network_login = true, + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + { + .comment = "test user (long pw): user@domain", + .domain = NULL, + .username = talloc_asprintf(mem_ctx, + "%s@%s", + TEST_USER_NAME, + userdomain), + .password = user_password, + .network_login = false, /* works for some things, but not NTLMv2. Odd */ + .expected_interactive_error = NT_STATUS_OK, + .expected_network_error = NT_STATUS_OK + }, + /* Oddball, can we use the old password ? */ + { + .comment = "test user: user\\domain OLD PASSWORD", + .domain = userdomain, + .username = TEST_USER_NAME, + .password = old_user_password, + .network_login = true, + .expected_interactive_error = NT_STATUS_WRONG_PASSWORD, + .expected_network_error = NT_STATUS_OK, + .old_password = true + }, + { + .comment = "test user (wong workstation): domain\\user", + .domain = userdomain, + .username = TEST_USER_NAME_WRONG_WKS, + .password = user_password_wrong_wks, + .network_login = true, + .expected_interactive_error = NT_STATUS_INVALID_WORKSTATION, + .expected_network_error = NT_STATUS_INVALID_WORKSTATION + } + }; + + /* Try all the tests for different username forms */ + for (ci = 0; ci < ARRAY_SIZE(usercreds); ci++) { + + if (!test_InteractiveLogon(p, mem_ctx, creds, + usercreds[ci].comment, + TEST_MACHINE_NAME, + usercreds[ci].domain, + usercreds[ci].username, + usercreds[ci].password, + usercreds[ci].parameter_control, + usercreds[ci].expected_interactive_error)) { + ret = false; + } + + if (usercreds[ci].network_login) { + if (!test_SamLogon(p, mem_ctx, torture, creds, + usercreds[ci].comment, + usercreds[ci].domain, + usercreds[ci].username, + usercreds[ci].password, + usercreds[ci].parameter_control, + usercreds[ci].expected_network_error, + usercreds[ci].old_password, + 0)) { + ret = false; + } + } + } + + /* Using the first username form, try the different + * credentials flag setups, on only one of the tests (checks + * session key encryption) */ + + for (i=0; i < ARRAY_SIZE(credential_flags); i++) { + /* TODO: Somehow we lost setting up the different credential flags here! */ + + if (!test_InteractiveLogon(p, mem_ctx, creds, + usercreds[0].comment, + TEST_MACHINE_NAME, + usercreds[0].domain, + usercreds[0].username, + usercreds[0].password, + usercreds[0].parameter_control, + usercreds[0].expected_interactive_error)) { + ret = false; + } + + if (usercreds[0].network_login) { + if (!test_SamLogon(p, mem_ctx, torture, creds, + usercreds[0].comment, + usercreds[0].domain, + usercreds[0].username, + usercreds[0].password, + usercreds[0].parameter_control, + usercreds[0].expected_network_error, + usercreds[0].old_password, + 1)) { + ret = false; + } + } + } + + } +failed: + talloc_free(mem_ctx); + + torture_leave_domain(torture, join_ctx); + torture_leave_domain(torture, user_ctx); + torture_leave_domain(torture, user_ctx_wrong_wks); + torture_leave_domain(torture, user_ctx_wrong_time); + return ret; +} |