* netr_ServerPasswordSet() now works - the test suite changes the

machine account password.

  * neater handling on value() options in IDL. The auto-print code
    will now display the right value so you don't need to initialise
    it in your C code
(This used to be commit 3dd978b12b)

source4/build/pidl/parser.pm

@@ -405,6 +405,12 @@ sub ParseElementPrintScalar($$)
 		return;
 	}
 
+	if (my $value = util::has_property($e, "value")) {
+		pidl "\tif (ndr->flags & LIBNDR_PRINT_SET_VALUES) {\n";
+		pidl "\t\t$cprefix$var_prefix$e->{NAME} = $value;\n";
+		pidl "\t}\n";
+	}
+
 	if (util::is_fixed_array($e)) {
 		ParseElementPrintBuffer($e, $var_prefix);
 	} elsif (util::has_direct_buffers($e)) {
@@ -1100,7 +1106,11 @@ sub ParseFunctionPrint($)
 	pidl "\n{\n";
 	pidl "\tndr_print_struct(ndr, name, \"$fn->{NAME}\");\n";
 	pidl "\tndr->depth++;\n";
-	
+
+	pidl "\tif (flags & NDR_SET_VALUES) {\n";
+	pidl "\t\tndr->flags |= LIBNDR_PRINT_SET_VALUES;\n";
+	pidl "}\n";
+
 	pidl "\tif (flags & NDR_IN) {\n";
 	pidl "\t\tndr_print_struct(ndr, \"in\", \"$fn->{NAME}\");\n";
 	pidl "\tndr->depth++;\n";

source4/libcli/auth/credentials.c

@@ -109,3 +109,14 @@ void creds_authenticator(struct netr_CredentialState *creds,
 	next->cred = creds->cred2;
 	next->timestamp = creds->sequence;
 }
+
+
+/*
+  encrypt a 16 byte password buffer using the session key
+*/
+void creds_encrypt(struct netr_CredentialState *creds, struct netr_Password *pass)
+{
+	struct netr_Password tmp;
+	cred_hash3(tmp.data, pass->data, creds->session_key, 1);
+	*pass = tmp;
+}

source4/librpc/idl/netlogon.idl

@@ -91,7 +91,7 @@ interface netlogon
 	} netr_IdentityInfo;
 
 	typedef [flag(NDR_PAHEX)] struct {
-		uint8 password[16];
+		uint8 data[16];
 	} netr_Password;
 
 	typedef struct {
@@ -252,19 +252,18 @@ interface netlogon
 		[in,out]    netr_Credential credentials
 		);
 
-#if 0
+
-	typedef struct {
+	NTSTATUS netr_ServerPasswordSet(
-		uint8 encrypted_password[16];
+		[in]  unistr *server_name,
-	} ENCRYPTED_LM_OWF_PASSWORD;
+		[in]  unistr username,
-	WERROR netr_ServerPasswordSet(
+		[in]  uint16 secure_challenge_type,
-		[in] unistr *server_name,
+		[in]  unistr computer_name,
-		[in] unistr username,
+		[in]  netr_Authenticator credential,
-		[in] uint16 secure_challenge_type,
+		[in]  netr_Password new_password,
-		[in] unistr ComputerName,
+		[out] netr_Authenticator return_authenticator
-		[in][ref] AUTHENTICATOR credential,
-		[in][ref] LM_OWF_PASSWORD UasNewPassword,
-		[out][ref] AUTHENTICATOR return_authenticator
 		);
+
+#if 0
 	typedef struct {
 		unistr *username;
 		netr_String dummy1;

source4/librpc/ndr/libndr.h

@@ -111,6 +111,7 @@ struct ndr_print {
 #define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
 
 #define LIBNDR_PRINT_ARRAY_HEX   (1<<15)
+#define LIBNDR_PRINT_SET_VALUES  (1<<16)
 
 
 /* useful macro for debugging */
@@ -119,7 +120,7 @@ struct ndr_print {
 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
-#define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN, p)
+#define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
 
 
 enum ndr_err_code {
@@ -149,6 +150,7 @@ enum ndr_err_code {
 #define NDR_IN 1
 #define NDR_OUT 2
 #define NDR_BOTH 3
+#define NDR_SET_VALUES 4
 
 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
 	if ((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size) { \

source4/passdb/secrets.c

@@ -82,7 +82,7 @@ BOOL secrets_store(const char *key, const void *data, size_t size)
 	dbuf.dptr = memdup(data, size);
 	dbuf.dsize = size;
 
-	ret = tdb_store(tdb, kbuf, dbuf, TDB_REPLACE) == 0;
+	ret = tdb_store(tdb, kbuf, dbuf, TDB_REPLACE);
 
 	free(kbuf.dptr);
 	free(dbuf.dptr);

source4/torture/rpc/lsa.c

@@ -21,14 +21,9 @@
 
 #include "includes.h"
 
-/*
-  this makes the debug code display the right thing
-*/
 static void init_lsa_Name(struct lsa_Name *name, const char *s)
 {
 	name->name = s;
-	name->name_len = strlen_m(s)*2;
-	name->name_size = name->name_len;
 }
 
 static BOOL test_OpenPolicy(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)

source4/torture/rpc/netlogon.c

@@ -65,20 +65,14 @@ static BOOL test_LogonUasLogoff(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
 	
 }
 
-static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
+static BOOL test_SetupCredentials(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
+				  struct netr_CredentialState *creds)
 {
 	NTSTATUS status;
 	struct netr_ServerReqChallenge r;
 	struct netr_ServerAuthenticate a;
-	struct netr_LogonSamLogon l;
-	struct netr_LogonSamLogoff lo;
 	const char *plain_pass;
 	uint8 mach_pwd[16];
-	struct netr_Authenticator auth, auth2;
-	struct netr_NetworkInfo ninfo;
-	const char *username = lp_parm_string(-1, "torture", "username");
-	const char *password = lp_parm_string(-1, "torture", "password");
-	struct netr_CredentialState creds;
 
 	printf("Testing ServerReqChallenge\n");
 
@@ -100,7 +94,7 @@ static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
 
 	E_md4hash(plain_pass, mach_pwd);
 
-	creds_init(&creds, &r.in.credentials, &r.out.credentials, mach_pwd,
+	creds_init(creds, &r.in.credentials, &r.out.credentials, mach_pwd,
 		   &a.in.credentials);
 
 	a.in.server_name = NULL;
@@ -116,11 +110,31 @@ static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
 		return False;
 	}
 
-	if (!creds_check(&creds, &a.out.credentials)) {
+	if (!creds_check(creds, &a.out.credentials)) {
 		printf("Credential chaining failed\n");
 		return False;
 	}
 
+	return True;
+}
+
+/*
+  try a netlogon SamLogon
+*/
+static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
+{
+	NTSTATUS status;
+	struct netr_LogonSamLogon r;
+	struct netr_Authenticator auth, auth2;
+	struct netr_NetworkInfo ninfo;
+	const char *username = lp_parm_string(-1, "torture", "username");
+	const char *password = lp_parm_string(-1, "torture", "password");
+	struct netr_CredentialState creds;
+
+	if (!test_SetupCredentials(p, mem_ctx, &creds)) {
+		return False;
+	}
+
 	ninfo.logon_info.domain_name.string = lp_workgroup();
 	ninfo.logon_info.parameter_control = 0;
 	ninfo.logon_info.logon_id_low = 0;
@@ -140,23 +154,69 @@ static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
 
 	creds_authenticator(&creds, &auth);
 
-	l.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
+	r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
-	l.in.workstation = lp_netbios_name();
+	r.in.workstation = lp_netbios_name();
-	l.in.credential = &auth;
+	r.in.credential = &auth;
-	l.in.authenticator = &auth2;
+	r.in.authenticator = &auth2;
-	l.in.logon_level = 2;
+	r.in.logon_level = 2;
-	l.in.logon.network = &ninfo;
+	r.in.logon.network = &ninfo;
-	l.in.validation_level = 2;
+	r.in.validation_level = 2;
 
 	printf("Testing SamLogon\n");
 
-	status = dcerpc_netr_LogonSamLogon(p, mem_ctx, &l);
+	status = dcerpc_netr_LogonSamLogon(p, mem_ctx, &r);
 	if (!NT_STATUS_IS_OK(status)) {
 		printf("LogonSamLogon - %s\n", nt_errstr(status));
 		return False;
 	}
 
-	if (!creds_check(&creds, &l.out.authenticator->cred)) {
+	if (!creds_check(&creds, &r.out.authenticator->cred)) {
+		printf("Credential chaining failed\n");
+	}
+
+	return True;
+}
+
+
+/*
+  try a change password for our machine account
+*/
+static BOOL test_SetPassword(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx)
+{
+	NTSTATUS status;
+	struct netr_ServerPasswordSet r;
+	const char *password;
+	struct netr_CredentialState creds;
+
+	if (!test_SetupCredentials(p, mem_ctx, &creds)) {
+		return False;
+	}
+
+	creds_authenticator(&creds, &r.in.credential);
+
+	r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
+	r.in.username = talloc_asprintf(mem_ctx, "%s$", lp_netbios_name());
+	r.in.secure_challenge_type = 2;
+	r.in.computer_name = lp_netbios_name();
+
+	password = generate_random_str(8);
+	E_md4hash(password, r.in.new_password.data);
+
+	creds_encrypt(&creds, &r.in.new_password);
+
+	printf("Testing ServerPasswordSet on machine account\n");
+
+	status = dcerpc_netr_ServerPasswordSet(p, mem_ctx, &r);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("ServerPasswordSet - %s\n", nt_errstr(status));
+		return False;
+	}
+
+	if (!secrets_store_machine_password(password)) {
+		printf("Failed to save machine password\n");
+	}
+
+	if (!creds_check(&creds, &r.out.return_authenticator.cred)) {
 		printf("Credential chaining failed\n");
 	}
 
@@ -191,6 +251,10 @@ BOOL torture_rpc_netlogon(int dummy)
 		ret = False;
 	}
 
+	if (!test_SetPassword(p, mem_ctx)) {
+		ret = False;
+	}
+
 	if (!test_SamLogon(p, mem_ctx)) {
 		ret = False;
 	}

source4/torture/rpc/samr.c

@@ -26,18 +26,9 @@
 static BOOL test_QueryUserInfo(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx, 
 			       struct policy_handle *handle);
 
-/*
-  this makes the debug code display the right thing
-*/
 static void init_samr_Name(struct samr_Name *name, const char *s)
 {
-	name->name_len = strlen_m(s)*2;
+	name->name = s;
-	name->name_size = name->name_len;
-	if (name->name_len == 0) {
-		name->name = NULL;
-	} else {
-		name->name = s;
-	}
 }
 
 static BOOL test_Close(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,