s3-rpcclient: add some winreg commands.

Guenther

2 files changed, 323 insertions, 0 deletions

diff --git a/source3/rpcclient/cmd_winreg.c b/source3/rpcclient/cmd_winreg.c
new file mode 100644
index 00000000000..6fcb5284671
--- /dev/null
+++ b/source3/rpcclient/cmd_winreg.c
@@ -0,0 +1,321 @@
+/*
+   Unix SMB/CIFS implementation.
+   RPC pipe client
+
+   Copyright (C) Guenther Deschner 2009
+
+   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 "rpcclient.h"
+#include "../librpc/gen_ndr/cli_winreg.h"
+#include "../librpc/gen_ndr/ndr_misc.h"
+
+static WERROR cmd_winreg_enumkeys(struct rpc_pipe_client *cli,
+				  TALLOC_CTX *mem_ctx, int argc,
+				  const char **argv)
+{
+	NTSTATUS status;
+	WERROR werr;
+	struct policy_handle handle;
+	uint32_t enum_index = 0;
+	struct winreg_StringBuf name;
+
+	if (argc < 2) {
+		printf("usage: %s [name]\n", argv[0]);
+		return WERR_OK;
+	}
+
+	status = rpccli_winreg_OpenHKLM(cli, mem_ctx,
+					NULL,
+					SEC_FLAG_MAXIMUM_ALLOWED,
+					&handle,
+					&werr);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+	if (!W_ERROR_IS_OK(werr)) {
+		return werr;
+	}
+
+	ZERO_STRUCT(name);
+
+	name.name = argv[1];
+	name.length = strlen_m_term_null(name.name)*2;
+	name.size = name.length;
+
+	status = rpccli_winreg_EnumKey(cli, mem_ctx,
+				       &handle,
+				       enum_index,
+				       &name,
+				       NULL,
+				       NULL,
+				       &werr);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+	if (!W_ERROR_IS_OK(werr)) {
+		return werr;
+	}
+
+	return WERR_OK;
+}
+
+/****************************************************************************
+****************************************************************************/
+
+static WERROR pull_winreg_Data(TALLOC_CTX *mem_ctx,
+			       const DATA_BLOB *blob,
+			       union winreg_Data *data,
+			       enum winreg_Type type)
+{
+	enum ndr_err_code ndr_err;
+	ndr_err = ndr_pull_union_blob(blob, mem_ctx, data, type,
+			(ndr_pull_flags_fn_t)ndr_pull_winreg_Data);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return WERR_GENERAL_FAILURE;
+	}
+	return WERR_OK;
+}
+
+/****************************************************************************
+****************************************************************************/
+
+static void display_winreg_data(const char *v,
+				enum winreg_Type type,
+				uint8_t *data,
+				uint32_t length)
+{
+	int i;
+	union winreg_Data r;
+	DATA_BLOB blob = data_blob_const(data, length);
+	WERROR result;
+
+	result = pull_winreg_Data(talloc_tos(), &blob, &r, type);
+	if (!W_ERROR_IS_OK(result)) {
+		return;
+	}
+
+	switch (type) {
+	case REG_DWORD:
+		printf("%s: REG_DWORD: 0x%08x\n", v, r.value);
+		break;
+	case REG_SZ:
+		printf("%s: REG_SZ: %s\n", v, r.string);
+		break;
+	case REG_BINARY: {
+		char *hex = hex_encode_talloc(NULL,
+			r.binary.data, r.binary.length);
+		size_t len;
+		printf("%s: REG_BINARY:", v);
+		len = strlen(hex);
+		for (i=0; i<len; i++) {
+			if (hex[i] == '\0') {
+				break;
+			}
+			if (i%40 == 0) {
+				putchar('\n');
+			}
+			putchar(hex[i]);
+		}
+		TALLOC_FREE(hex);
+		putchar('\n');
+		break;
+	}
+	case REG_MULTI_SZ:
+		printf("%s: REG_MULTI_SZ: ", v);
+		for (i=0; r.string_array[i] != NULL; i++) {
+			printf("%s ", r.string_array[i]);
+		}
+		printf("\n");
+		break;
+	default:
+		printf("%s: unknown type 0x%02x:\n", v, type);
+		break;
+	}
+}
+
+
+static WERROR cmd_winreg_querymultiplevalues_ex(struct rpc_pipe_client *cli,
+						TALLOC_CTX *mem_ctx, int argc,
+						const char **argv, bool multiplevalues2)
+{
+	NTSTATUS status;
+	WERROR werr;
+	struct policy_handle handle, key_handle;
+	struct winreg_String key_name;
+
+	struct QueryMultipleValue *values_in, *values_out;
+	uint32_t num_values;
+	uint8_t *buffer = NULL;
+	int i;
+
+
+	if (argc < 2) {
+		printf("usage: %s [key] [value1] [value2] ...\n", argv[0]);
+		return WERR_OK;
+	}
+
+	status = rpccli_winreg_OpenHKLM(cli, mem_ctx,
+					NULL,
+					SEC_FLAG_MAXIMUM_ALLOWED,
+					&handle,
+					&werr);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+	if (!W_ERROR_IS_OK(werr)) {
+		return werr;
+	}
+
+	key_name.name = argv[1];
+
+	status = rpccli_winreg_OpenKey(cli, mem_ctx,
+				       &handle,
+				       key_name,
+				       0, /* options */
+				       SEC_FLAG_MAXIMUM_ALLOWED,
+				       &key_handle,
+				       &werr);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+	if (!W_ERROR_IS_OK(werr)) {
+		return werr;
+	}
+
+	num_values = argc-2;
+
+	values_in = talloc_zero_array(mem_ctx, struct QueryMultipleValue, num_values);
+	if (values_in == NULL) {
+		return WERR_NOMEM;
+	}
+
+	values_out = talloc_zero_array(mem_ctx, struct QueryMultipleValue, num_values);
+	if (values_out == NULL) {
+		return WERR_NOMEM;
+	}
+
+	for (i=0; i < num_values; i++) {
+
+		values_in[i].ve_valuename = talloc_zero(values_in, struct winreg_ValNameBuf);
+		if (values_in[i].ve_valuename == NULL) {
+			return WERR_NOMEM;
+		}
+
+		values_in[i].ve_valuename->name = talloc_strdup(values_in[i].ve_valuename, argv[i+2]);
+		values_in[i].ve_valuename->length = strlen_m_term_null(values_in[i].ve_valuename->name)*2;
+		values_in[i].ve_valuename->size = values_in[i].ve_valuename->length;
+	}
+
+	if (multiplevalues2) {
+
+		uint32_t offered = 0, needed = 0;
+
+		status = rpccli_winreg_QueryMultipleValues2(cli, mem_ctx,
+							   &key_handle,
+							   values_in,
+							   values_out,
+							   num_values,
+							   buffer,
+							   &offered,
+							   &needed,
+							   &werr);
+		if (W_ERROR_EQUAL(werr, WERR_MORE_DATA)) {
+			offered = needed;
+
+			buffer = talloc_zero_array(mem_ctx, uint8_t, needed);
+			if (buffer == NULL) {
+				return WERR_NOMEM;
+			}
+
+			status = rpccli_winreg_QueryMultipleValues2(cli, mem_ctx,
+								    &key_handle,
+								    values_in,
+								    values_out,
+								    num_values,
+								    buffer,
+								    &offered,
+								    &needed,
+								    &werr);
+			if (!NT_STATUS_IS_OK(status)) {
+				return ntstatus_to_werror(status);
+			}
+			if (!W_ERROR_IS_OK(werr)) {
+				return werr;
+			}
+		}
+
+	} else {
+
+		uint32_t buffer_size = 0xff;
+
+		buffer = talloc_zero_array(mem_ctx, uint8_t, buffer_size);
+		if (buffer == NULL) {
+			return WERR_NOMEM;
+		}
+
+		status = rpccli_winreg_QueryMultipleValues(cli, mem_ctx,
+							   &key_handle,
+							   values_in,
+							   values_out,
+							   num_values,
+							   buffer,
+							   &buffer_size,
+							   &werr);
+		if (!NT_STATUS_IS_OK(status)) {
+			return ntstatus_to_werror(status);
+		}
+		if (!W_ERROR_IS_OK(werr)) {
+			return werr;
+		}
+	}
+
+	for (i=0; i < num_values; i++) {
+		if (buffer) {
+			display_winreg_data(values_in[i].ve_valuename->name,
+					    values_out[i].ve_type,
+					    buffer + values_out[i].ve_valueptr,
+					    values_out[i].ve_valuelen);
+		}
+	}
+
+	return WERR_OK;
+}
+
+static WERROR cmd_winreg_querymultiplevalues(struct rpc_pipe_client *cli,
+					     TALLOC_CTX *mem_ctx, int argc,
+					     const char **argv)
+{
+	return cmd_winreg_querymultiplevalues_ex(cli, mem_ctx, argc, argv, false);
+}
+
+static WERROR cmd_winreg_querymultiplevalues2(struct rpc_pipe_client *cli,
+					      TALLOC_CTX *mem_ctx, int argc,
+					      const char **argv)
+{
+	return cmd_winreg_querymultiplevalues_ex(cli, mem_ctx, argc, argv, true);
+}
+
+/* List of commands exported by this module */
+
+struct cmd_set winreg_commands[] = {
+
+	{ "WINREG" },
+	{ "enumkey", RPC_RTYPE_WERROR, NULL, cmd_winreg_enumkeys, &ndr_table_winreg.syntax_id, NULL, "Enumerate Keys", "" },
+	{ "querymultiplevalues", RPC_RTYPE_WERROR, NULL, cmd_winreg_querymultiplevalues, &ndr_table_winreg.syntax_id, NULL, "Query multiple values", "" },
+	{ "querymultiplevalues2", RPC_RTYPE_WERROR, NULL, cmd_winreg_querymultiplevalues2, &ndr_table_winreg.syntax_id, NULL, "Query multiple values", "" },
+	{ NULL }
+};
diff --git a/source3/rpcclient/rpcclient.c b/source3/rpcclient/rpcclient.c
index b34ef2cfee6..5fa8132db8d 100644
--- a/source3/rpcclient/rpcclient.c
+++ b/source3/rpcclient/rpcclient.c
@@ -599,6 +599,7 @@ extern struct cmd_set wkssvc_commands[];
 extern struct cmd_set ntsvcs_commands[];
 extern struct cmd_set drsuapi_commands[];
 extern struct cmd_set eventlog_commands[];
+extern struct cmd_set winreg_commands[];
 
 static struct cmd_set *rpcclient_command_list[] = {
 	rpcclient_commands,
@@ -617,6 +618,7 @@ static struct cmd_set *rpcclient_command_list[] = {
 	ntsvcs_commands,
 	drsuapi_commands,
 	eventlog_commands,
+	winreg_commands,
 	NULL
 };