Refactor our authentication and authentication testing code.

The next move will be to remove our password checking code from the SAM
authentication backend, and into a file where other parts of samba can use
it.

The ntlm_auth changes provide for better use of common code.

Andrew Bartlett
(This used to be commit 2375abfa0077a884248c84614d5109f57dfdf5b1)

1 files changed, 181 insertions, 342 deletions

diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c
index b2450ffd0c..e33f4c4dee 100644
--- a/source3/utils/ntlm_auth.c
+++ b/source3/utils/ntlm_auth.c
@@ -38,6 +38,14 @@ enum stdio_helper_mode {
 	NUM_HELPER_MODES
 };
 
+enum ntlm_break {
+	BREAK_NONE,
+	BREAK_LM,
+	BREAK_NT,
+	NO_LM,
+	NO_NT
+};
+
 typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode, 
 				     char *buf, int length);
 
@@ -1217,71 +1225,10 @@ static DATA_BLOB get_challenge(void)
 }
 
 /* 
- * Test LM authentication, no NT response supplied
- */
-
-static BOOL test_lm(void) 
-{
-	NTSTATUS nt_status;
-	uint32 flags = 0;
-	DATA_BLOB lm_response = data_blob(NULL, 24);
-
-	uchar lm_key[8];
-	uchar nt_key[16];
-	uchar lm_hash[16];
-	DATA_BLOB chall = get_challenge();
-	char *error_string;
-	
-	ZERO_STRUCT(lm_key);
-	ZERO_STRUCT(nt_key);
-
-	flags |= WBFLAG_PAM_LMKEY;
-	flags |= WBFLAG_PAM_NTKEY;
-
-	SMBencrypt(opt_password, chall.data, lm_response.data);
-	E_deshash(opt_password, lm_hash); 
-
-	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, opt_workstation,
-					      &chall,
-					      &lm_response,
-					      NULL,
-					      flags,
-					      lm_key, 
-					      nt_key,
-					      &error_string);
-	
-	data_blob_free(&lm_response);
-
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		d_printf("%s (0x%x)\n", 
-			 error_string,
-			 NT_STATUS_V(nt_status));
-		return False;
-	}
-
-	if (memcmp(lm_hash, lm_key, 
-		   sizeof(lm_key)) != 0) {
-		DEBUG(1, ("LM Key does not match expectations!\n"));
- 		DEBUG(1, ("lm_key:\n"));
-		dump_data(1, (const char *)lm_key, 8);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)lm_hash, 8);
-	}
-	if (memcmp(lm_hash, nt_key, 8) != 0) {
-		DEBUG(1, ("Session Key (first 8, lm hash) does not match expectations!\n"));
- 		DEBUG(1, ("nt_key:\n"));
-		dump_data(1, (const char *)nt_key, 8);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)lm_hash, 8);
-	}
-        return True;
-}
-
-/* 
  * Test the normal 'LM and NTLM' combination
  */
 
-static BOOL test_lm_ntlm(void) 
+static BOOL test_lm_ntlm_broken(enum ntlm_break break_which) 
 {
 	BOOL pass = True;
 	NTSTATUS nt_status;
@@ -1311,6 +1258,23 @@ static BOOL test_lm_ntlm(void)
 	E_md4hash(opt_password, nt_hash);
 	SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
 
+	switch (break_which) {
+	case BREAK_NONE:
+		break;
+	case BREAK_LM:
+		lm_response.data[0]++;
+		break;
+	case BREAK_NT:
+		nt_response.data[0]++;
+		break;
+	case NO_LM:
+		data_blob_free(&lm_response);
+		break;
+	case NO_NT:
+		data_blob_free(&nt_response);
+		break;
+	}
+
 	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
 					      opt_workstation,
 					      &chall,
@@ -1328,7 +1292,7 @@ static BOOL test_lm_ntlm(void)
 			 error_string,
 			 NT_STATUS_V(nt_status));
 		SAFE_FREE(error_string);
-		return False;
+		return break_which == BREAK_NT;
 	}
 
 	if (memcmp(lm_hash, lm_key, 
@@ -1340,88 +1304,48 @@ static BOOL test_lm_ntlm(void)
 		dump_data(1, (const char *)lm_hash, 8);
 		pass = False;
 	}
-	if (memcmp(session_key.data, nt_key, 
-		   sizeof(nt_key)) != 0) {
-		DEBUG(1, ("NT Session Key does not match expectations!\n"));
- 		DEBUG(1, ("nt_key:\n"));
-		dump_data(1, (const char *)nt_key, 16);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)session_key.data, session_key.length);
-		pass = False;
+
+	if (break_which == NO_NT) {
+		if (memcmp(lm_hash, nt_key, 
+			   8) != 0) {
+			DEBUG(1, ("NT Session Key does not match expectations (should be LM hash)!\n"));
+			DEBUG(1, ("nt_key:\n"));
+			dump_data(1, (const char *)nt_key, sizeof(nt_key));
+			DEBUG(1, ("expected:\n"));
+			dump_data(1, (const char *)lm_hash, sizeof(lm_hash));
+			pass = False;
+		}
+	} else {		
+		if (memcmp(session_key.data, nt_key, 
+			   sizeof(nt_key)) != 0) {
+			DEBUG(1, ("NT Session Key does not match expectations!\n"));
+			DEBUG(1, ("nt_key:\n"));
+			dump_data(1, (const char *)nt_key, 16);
+			DEBUG(1, ("expected:\n"));
+			dump_data(1, (const char *)session_key.data, session_key.length);
+			pass = False;
+		}
 	}
         return pass;
 }
 
 /* 
- * Test the NTLM response only, no LM.
+ * Test LM authentication, no NT response supplied
  */
 
-static BOOL test_ntlm(void) 
+static BOOL test_lm(void) 
 {
-	BOOL pass = True;
-	NTSTATUS nt_status;
-	uint32 flags = 0;
-	DATA_BLOB nt_response = data_blob(NULL, 24);
-	DATA_BLOB session_key = data_blob(NULL, 16);
-
-	char lm_key[8];
-	char nt_key[16];
-	char lm_hash[16];
-	char nt_hash[16];
-	DATA_BLOB chall = get_challenge();
-	char *error_string;
-	
-	ZERO_STRUCT(lm_key);
-	ZERO_STRUCT(nt_key);
 
-	flags |= WBFLAG_PAM_LMKEY;
-	flags |= WBFLAG_PAM_NTKEY;
-
-	SMBNTencrypt(opt_password,chall.data,nt_response.data);
-	E_md4hash(opt_password, (unsigned char *)nt_hash);
-	SMBsesskeygen_ntv1((const unsigned char *)nt_hash, NULL, session_key.data);
-
-	E_deshash(opt_password, (unsigned char *)lm_hash); 
-
-	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-					      opt_workstation,
-					      &chall,
-					      NULL,
-					      &nt_response,
-					      flags,
-					      (unsigned char *)lm_key,
-					      (unsigned char *)nt_key,
-					      &error_string);
-	
-	data_blob_free(&nt_response);
+	return test_lm_ntlm_broken(NO_NT);
+}
 
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		d_printf("%s (0x%x)\n", 
-			 error_string,
-			 NT_STATUS_V(nt_status));
-		SAFE_FREE(error_string);
-		return False;
-	}
+/* 
+ * Test the NTLM response only, no LM.
+ */
 
-	if (memcmp(lm_hash, lm_key, 
-		   sizeof(lm_key)) != 0) {
-		DEBUG(1, ("LM Key does not match expectations!\n"));
- 		DEBUG(1, ("lm_key:\n"));
-		dump_data(1, lm_key, 8);
-		DEBUG(1, ("expected:\n"));
-		dump_data(1, lm_hash, 8);
-		pass = False;
-	}
-	if (memcmp(session_key.data, nt_key, 
-		   sizeof(nt_key)) != 0) {
-		DEBUG(1, ("NT Session Key does not match expectations!\n"));
- 		DEBUG(1, ("nt_key:\n"));
-		dump_data(1, nt_key, 16);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)session_key.data, session_key.length);
-		pass = False;
-	}
-        return pass;
+static BOOL test_ntlm(void) 
+{
+	return test_lm_ntlm_broken(NO_LM);
 }
 
 /* 
@@ -1565,15 +1489,16 @@ static BOOL test_ntlm_in_both(void)
 }
 
 /* 
- * Test the NTLMv2 response only
+ * Test the NTLMv2 and LMv2 responses
  */
 
-static BOOL test_ntlmv2(void) 
+static BOOL test_lmv2_ntlmv2_broken(enum ntlm_break break_which) 
 {
 	BOOL pass = True;
 	NTSTATUS nt_status;
 	uint32 flags = 0;
 	DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
+	DATA_BLOB lmv2_response = data_blob(NULL, 0);
 	DATA_BLOB nt_session_key = data_blob(NULL, 0);
 	DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
 
@@ -1587,23 +1512,41 @@ static BOOL test_ntlmv2(void)
 
 	if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
 			      &names_blob,
-			      NULL, &ntlmv2_response, 
+			      &lmv2_response, &ntlmv2_response, 
 			      &nt_session_key)) {
 		data_blob_free(&names_blob);
 		return False;
 	}
 	data_blob_free(&names_blob);
 
+	switch (break_which) {
+	case BREAK_NONE:
+		break;
+	case BREAK_LM:
+		lmv2_response.data[0]++;
+		break;
+	case BREAK_NT:
+		ntlmv2_response.data[0]++;
+		break;
+	case NO_LM:
+		data_blob_free(&lmv2_response);
+		break;
+	case NO_NT:
+		data_blob_free(&ntlmv2_response);
+		break;
+	}
+
 	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
 					      opt_workstation,
 					      &chall,
-					      NULL, 
+					      &lmv2_response,
 					      &ntlmv2_response,
 					      flags,
 					      NULL, 
 					      nt_key,
 					      &error_string);
 	
+	data_blob_free(&lmv2_response);
 	data_blob_free(&ntlmv2_response);
 
 	if (!NT_STATUS_IS_OK(nt_status)) {
@@ -1611,10 +1554,10 @@ static BOOL test_ntlmv2(void)
 			 error_string,
 			 NT_STATUS_V(nt_status));
 		SAFE_FREE(error_string);
-		return False;
+		return break_which == BREAK_NT;
 	}
 
-	if (memcmp(nt_session_key.data, nt_key, 
+	if (break_which != NO_NT && break_which != BREAK_NT && memcmp(nt_session_key.data, nt_key, 
 		   sizeof(nt_key)) != 0) {
 		DEBUG(1, ("NT Session Key does not match expectations!\n"));
  		DEBUG(1, ("nt_key:\n"));
@@ -1632,62 +1575,7 @@ static BOOL test_ntlmv2(void)
 
 static BOOL test_lmv2_ntlmv2(void) 
 {
-	BOOL pass = True;
-	NTSTATUS nt_status;
-	uint32 flags = 0;
-	DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
-	DATA_BLOB lmv2_response = data_blob(NULL, 0);
-	DATA_BLOB nt_session_key = data_blob(NULL, 0);
-	DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
-
-	uchar nt_key[16];
-	DATA_BLOB chall = get_challenge();
-	char *error_string;
-
-	ZERO_STRUCT(nt_key);
-	
-	flags |= WBFLAG_PAM_NTKEY;
-
-	if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
-			      &names_blob,
-			      &lmv2_response, &ntlmv2_response, 
-			      &nt_session_key)) {
-		data_blob_free(&names_blob);
-		return False;
-	}
-	data_blob_free(&names_blob);
-
-	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-					      opt_workstation,
-					      &chall,
-					      &lmv2_response,
-					      &ntlmv2_response,
-					      flags,
-					      NULL, 
-					      nt_key,
-					      &error_string);
-	
-	data_blob_free(&lmv2_response);
-	data_blob_free(&ntlmv2_response);
-
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		d_printf("%s (0x%x)\n", 
-			 error_string,
-			 NT_STATUS_V(nt_status));
-		SAFE_FREE(error_string);
-		return False;
-	}
-
-	if (memcmp(nt_session_key.data, nt_key, 
-		   sizeof(nt_key)) != 0) {
-		DEBUG(1, ("NT Session Key does not match expectations!\n"));
- 		DEBUG(1, ("nt_key:\n"));
-		dump_data(1, (const char *)nt_key, 16);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)nt_session_key.data, nt_session_key.length);
-		pass = False;
-	}
-        return pass;
+	return test_lmv2_ntlmv2_broken(BREAK_NONE);
 }
 
 /* 
@@ -1696,200 +1584,145 @@ static BOOL test_lmv2_ntlmv2(void)
 
 static BOOL test_lmv2(void) 
 {
-	BOOL pass = True;
-	NTSTATUS nt_status;
-	uint32 flags = 0;
-	DATA_BLOB lmv2_response = data_blob(NULL, 0);
-
-	DATA_BLOB chall = get_challenge();
-	char *error_string;
-
-	if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
-			      NULL, 
-			      &lmv2_response, NULL,
-			      NULL)) {
-		return False;
-	}
-
-	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-					      opt_workstation,
-					      &chall,
-					      &lmv2_response,
-					      NULL, 
-					      flags,
-					      NULL, 
-					      NULL,
-					      &error_string);
-	
-	data_blob_free(&lmv2_response);
-
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		d_printf("%s (0x%x)\n", 
-			 error_string,
-			 NT_STATUS_V(nt_status));
-		SAFE_FREE(error_string);
-		return False;
-	}
-
-        return pass;
+	return test_lmv2_ntlmv2_broken(NO_NT);
 }
 
 /* 
- * Test the normal 'LM and NTLM' combination but deliberately break one
+ * Test the NTLMv2 response only
  */
 
-static BOOL test_ntlm_broken(BOOL break_lm) 
+static BOOL test_ntlmv2(void) 
 {
-	BOOL pass = True;
-	NTSTATUS nt_status;
-	uint32 flags = 0;
-	DATA_BLOB lm_response = data_blob(NULL, 24);
-	DATA_BLOB nt_response = data_blob(NULL, 24);
-	DATA_BLOB session_key = data_blob(NULL, 16);
-
-	uchar lm_key[8];
-	uchar nt_key[16];
-	uchar lm_hash[16];
-	uchar nt_hash[16];
-	DATA_BLOB chall = get_challenge();
-	char *error_string;
-	
-	ZERO_STRUCT(lm_key);
-	ZERO_STRUCT(nt_key);
-
-	flags |= WBFLAG_PAM_LMKEY;
-	flags |= WBFLAG_PAM_NTKEY;
-
-	SMBencrypt(opt_password,chall.data,lm_response.data);
-	E_deshash(opt_password, lm_hash); 
-
-	SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
-	E_md4hash(opt_password, nt_hash);
-	SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
-
-	if (break_lm)
-		lm_response.data[0]++;
-	else
-		nt_response.data[0]++;
-
-	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-					      opt_workstation,
-					      &chall,
-					      &lm_response,
-					      &nt_response,
-					      flags,
-					      lm_key, 
-					      nt_key,
-					      &error_string);
-	
-	data_blob_free(&lm_response);
-
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		d_printf("%s (0x%x)\n", 
-			 error_string,
-			 NT_STATUS_V(nt_status));
-		SAFE_FREE(error_string);
-		return False;
-	}
+	return test_lmv2_ntlmv2_broken(NO_LM);
+}
 
-	if (memcmp(lm_hash, lm_key, 
-		   sizeof(lm_key)) != 0) {
-		DEBUG(1, ("LM Key does not match expectations!\n"));
- 		DEBUG(1, ("lm_key:\n"));
-		dump_data(1, (const char *)lm_key, 8);
-		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)lm_hash, 8);
-		pass = False;
-	}
-	if (memcmp(session_key.data, nt_key, 
-		   sizeof(nt_key)) != 0) {
-		DEBUG(1, ("NT Session Key does not match expectations!\n"));
- 		DEBUG(1, ("nt_key:\n"));
-		dump_data(1, (const char *)nt_key, 16);
- 		DEBUG(1, ("expected:\n"));
-		dump_data(1, (const char *)session_key.data, session_key.length);
-		pass = False;
-	}
-        return pass;
+static BOOL test_lm_ntlm(void) 
+{
+	return test_lm_ntlm_broken(BREAK_NONE);
 }
 
 static BOOL test_ntlm_lm_broken(void) 
 {
-	return test_ntlm_broken(True);
+	return test_lm_ntlm_broken(BREAK_LM);
 }
 
 static BOOL test_ntlm_ntlm_broken(void) 
 {
-	return test_ntlm_broken(False);
+	return test_lm_ntlm_broken(BREAK_NT);
 }
 
-static BOOL test_ntlmv2_broken(BOOL break_lmv2)
+static BOOL test_ntlmv2_lmv2_broken(void) 
+{
+	return test_lmv2_ntlmv2_broken(BREAK_LM);
+}
+
+static BOOL test_ntlmv2_ntlmv2_broken(void) 
+{
+	return test_lmv2_ntlmv2_broken(BREAK_NT);
+}
+
+static BOOL test_plaintext(enum ntlm_break break_which)
 {
-	BOOL pass = True;
 	NTSTATUS nt_status;
 	uint32 flags = 0;
-	DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
-	DATA_BLOB lmv2_response = data_blob(NULL, 0);
-	DATA_BLOB nt_session_key = data_blob(NULL, 0);
-	DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
+	DATA_BLOB nt_response = data_blob(NULL, 0);
+	DATA_BLOB lm_response = data_blob(NULL, 0);
+	char *password;
 
 	uchar nt_key[16];
-	DATA_BLOB chall = get_challenge();
+	uchar lm_key[16];
+	static const uchar zeros[8];
+	DATA_BLOB chall = data_blob(zeros, sizeof(zeros));
 	char *error_string;
 
 	ZERO_STRUCT(nt_key);
 	
 	flags |= WBFLAG_PAM_NTKEY;
-	 
-	if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
-			      &names_blob,
-			      &lmv2_response, &ntlmv2_response, 
-			      &nt_session_key)) {
-		data_blob_free(&names_blob);
-		return False;
+	flags |= WBFLAG_PAM_LMKEY;
+
+	if ((push_ucs2_allocate((smb_ucs2_t **)&nt_response.data, opt_password)) == -1) {
+		DEBUG(0, ("push_ucs2_allocate failed!\n"));
+		exit(1);
 	}
-	data_blob_free(&names_blob);
 
-	/* Heh - this should break the appropriate password hash nicely! */
+	nt_response.length = strlen_w(((void *)nt_response.data))*sizeof(smb_ucs2_t);
 
-	if (break_lmv2)
-		lmv2_response.data[0]++;
-	else
-		ntlmv2_response.data[0]++;
+	password = strdup_upper(opt_password);
+
+	if ((convert_string_allocate(NULL, CH_UNIX, 
+				     CH_DOS, password,
+				     strlen(password)+1, 
+				     (void**)&lm_response.data)) == -1) {
+		DEBUG(0, ("push_ascii_allocate failed!\n"));
+		exit(1);
+	}
+
+	SAFE_FREE(password);
+
+	lm_response.length = strlen(lm_response.data);
+
+	switch (break_which) {
+	case BREAK_NONE:
+		break;
+	case BREAK_LM:
+		lm_response.data[0]++;
+		break;
+	case BREAK_NT:
+		nt_response.data[0]++;
+		break;
+	case NO_LM:
+		SAFE_FREE(lm_response.data);
+		lm_response.length = 0;
+		break;
+	case NO_NT:
+		SAFE_FREE(nt_response.data);
+		nt_response.length = 0;
+		break;
+	}
 
 	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
 					      opt_workstation,
 					      &chall,
-					      &lmv2_response,
-					      &ntlmv2_response,
+					      &lm_response,
+					      &nt_response,
 					      flags,
-					      NULL,
+					      lm_key,
 					      nt_key,
 					      &error_string);
 	
-	data_blob_free(&lmv2_response);
-	data_blob_free(&ntlmv2_response);
+	SAFE_FREE(nt_response.data);
+	SAFE_FREE(lm_response.data);
+	data_blob_free(&chall);
 
 	if (!NT_STATUS_IS_OK(nt_status)) {
 		d_printf("%s (0x%x)\n", 
 			 error_string,
 			 NT_STATUS_V(nt_status));
 		SAFE_FREE(error_string);
-		return False;
+		return break_which == BREAK_NT;
 	}
 
-        return pass;
+        return break_which != BREAK_NT;
 }
 
-static BOOL test_ntlmv2_lmv2_broken(void) 
-{
-	return test_ntlmv2_broken(True);
+static BOOL test_plaintext_none_broken(void) {
+	return test_plaintext(BREAK_NONE);
 }
 
-static BOOL test_ntlmv2_ntlmv2_broken(void) 
-{
-	return test_ntlmv2_broken(False);
+static BOOL test_plaintext_lm_broken(void) {
+	return test_plaintext(BREAK_LM);
+}
+
+static BOOL test_plaintext_nt_broken(void) {
+	return test_plaintext(BREAK_NT);
+}
+
+static BOOL test_plaintext_nt_only(void) {
+	return test_plaintext(NO_LM);
+}
+
+static BOOL test_plaintext_lm_only(void) {
+	return test_plaintext(NO_NT);
 }
 
 /* 
@@ -1903,7 +1736,8 @@ static BOOL test_ntlmv2_ntlmv2_broken(void)
    - NTLMv2
    - NTLMv2 and LMv2
    - LMv2
-   
+   - plaintext tests (in challenge-response feilds)
+  
    check we get the correct session key in each case
    check what values we get for the LM session key
    
@@ -1924,7 +1758,12 @@ struct ntlm_tests {
 	{test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken"},
 	{test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken"},
 	{test_ntlm_lm_broken, "NTLM and LM, LM broken"},
-	{test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"}
+	{test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"},
+	{test_plaintext_none_broken, "Plaintext"},
+	{test_plaintext_lm_broken, "Plaintext LM broken"},
+	{test_plaintext_nt_broken, "Plaintext NT broken"},
+	{test_plaintext_nt_only, "Plaintext NT only"},
+	{test_plaintext_lm_only, "Plaintext LM only"}
 };
 
 static BOOL diagnose_ntlm_auth(void)