2017-12-03 06:50:09 +00:00
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/*
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* Copyright 2017 Hugh McMaster
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <windows.h>
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2019-04-01 09:44:50 +00:00
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#include <stdio.h>
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2017-12-03 06:50:15 +00:00
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#include <stdlib.h>
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2017-12-03 06:50:09 +00:00
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2018-02-07 22:48:40 +00:00
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#include <wine/heap.h>
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2017-12-03 06:50:09 +00:00
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2017-12-03 06:50:10 +00:00
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#include "reg.h"
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2017-12-03 06:50:16 +00:00
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static void write_file(HANDLE hFile, const WCHAR *str)
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{
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DWORD written;
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WriteFile(hFile, str, lstrlenW(str) * sizeof(WCHAR), &written, NULL);
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}
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2017-12-03 06:50:19 +00:00
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static WCHAR *escape_string(WCHAR *str, size_t str_len, size_t *line_len)
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{
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size_t i, escape_count, pos;
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WCHAR *buf;
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for (i = 0, escape_count = 0; i < str_len; i++)
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{
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WCHAR c = str[i];
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2018-05-07 23:50:45 +00:00
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if (!c) break;
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if (c == '\r' || c == '\n' || c == '\\' || c == '"')
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2017-12-03 06:50:19 +00:00
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escape_count++;
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}
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buf = heap_xalloc((str_len + escape_count + 1) * sizeof(WCHAR));
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for (i = 0, pos = 0; i < str_len; i++, pos++)
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{
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WCHAR c = str[i];
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2018-05-07 23:50:45 +00:00
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if (!c) break;
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2017-12-03 06:50:19 +00:00
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switch (c)
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{
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case '\r':
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buf[pos++] = '\\';
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buf[pos] = 'r';
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break;
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case '\n':
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buf[pos++] = '\\';
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buf[pos] = 'n';
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break;
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case '\\':
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buf[pos++] = '\\';
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buf[pos] = '\\';
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break;
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case '"':
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buf[pos++] = '\\';
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buf[pos] = '"';
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break;
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default:
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buf[pos] = c;
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}
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}
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buf[pos] = 0;
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*line_len = pos;
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return buf;
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}
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static size_t export_value_name(HANDLE hFile, WCHAR *name, size_t len)
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{
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static const WCHAR quoted_fmt[] = {'"','%','s','"','=',0};
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static const WCHAR default_name[] = {'@','=',0};
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size_t line_len;
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if (name && *name)
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{
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WCHAR *str = escape_string(name, len, &line_len);
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WCHAR *buf = heap_xalloc((line_len + 4) * sizeof(WCHAR));
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2019-04-11 08:04:28 +00:00
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line_len = swprintf(buf, line_len + 4, quoted_fmt, str);
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2017-12-03 06:50:19 +00:00
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write_file(hFile, buf);
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heap_free(buf);
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heap_free(str);
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}
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else
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{
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line_len = lstrlenW(default_name);
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write_file(hFile, default_name);
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}
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return line_len;
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}
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2017-12-03 06:50:20 +00:00
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static void export_string_data(WCHAR **buf, WCHAR *data, size_t size)
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{
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size_t len = 0, line_len;
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WCHAR *str;
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static const WCHAR fmt[] = {'"','%','s','"',0};
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if (size)
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len = size / sizeof(WCHAR) - 1;
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str = escape_string(data, len, &line_len);
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*buf = heap_xalloc((line_len + 3) * sizeof(WCHAR));
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2019-04-11 08:04:28 +00:00
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swprintf(*buf, line_len + 3, fmt, str);
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2017-12-03 06:50:20 +00:00
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heap_free(str);
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}
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2017-12-03 06:50:23 +00:00
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static void export_dword_data(WCHAR **buf, DWORD *data)
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{
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static const WCHAR fmt[] = {'d','w','o','r','d',':','%','0','8','x',0};
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*buf = heap_xalloc(15 * sizeof(WCHAR));
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2019-04-11 08:04:28 +00:00
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swprintf(*buf, 15, fmt, *data);
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2017-12-03 06:50:23 +00:00
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}
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2017-12-03 06:50:21 +00:00
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static size_t export_hex_data_type(HANDLE hFile, DWORD type)
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{
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static const WCHAR hex[] = {'h','e','x',':',0};
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static const WCHAR hexp_fmt[] = {'h','e','x','(','%','x',')',':',0};
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size_t line_len;
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if (type == REG_BINARY)
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{
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line_len = lstrlenW(hex);
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write_file(hFile, hex);
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}
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else
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{
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WCHAR *buf = heap_xalloc(15 * sizeof(WCHAR));
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2019-04-11 08:04:28 +00:00
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line_len = swprintf(buf, 15, hexp_fmt, type);
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2017-12-03 06:50:21 +00:00
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write_file(hFile, buf);
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heap_free(buf);
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}
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return line_len;
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}
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#define MAX_HEX_CHARS 77
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static void export_hex_data(HANDLE hFile, WCHAR **buf, DWORD type,
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DWORD line_len, void *data, DWORD size)
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{
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static const WCHAR fmt[] = {'%','0','2','x',0};
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static const WCHAR hex_concat[] = {'\\','\r','\n',' ',' ',0};
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size_t num_commas, i, pos;
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line_len += export_hex_data_type(hFile, type);
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if (!size) return;
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num_commas = size - 1;
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*buf = heap_xalloc(size * 3 * sizeof(WCHAR));
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for (i = 0, pos = 0; i < size; i++)
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{
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2019-04-11 08:04:28 +00:00
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pos += swprintf(*buf + pos, 3, fmt, ((BYTE *)data)[i]);
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2017-12-03 06:50:21 +00:00
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if (i == num_commas) break;
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(*buf)[pos++] = ',';
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(*buf)[pos] = 0;
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line_len += 3;
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if (line_len >= MAX_HEX_CHARS)
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{
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write_file(hFile, *buf);
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write_file(hFile, hex_concat);
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line_len = 2;
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pos = 0;
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}
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}
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}
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2017-12-03 06:50:19 +00:00
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static void export_newline(HANDLE hFile)
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{
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static const WCHAR newline[] = {'\r','\n',0};
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write_file(hFile, newline);
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}
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2017-12-03 06:50:20 +00:00
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static void export_data(HANDLE hFile, WCHAR *value_name, DWORD value_len,
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DWORD type, void *data, size_t size)
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{
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WCHAR *buf = NULL;
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2017-12-03 06:50:21 +00:00
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size_t line_len = export_value_name(hFile, value_name, value_len);
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2017-12-03 06:50:20 +00:00
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2017-12-03 06:50:21 +00:00
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switch (type)
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2017-12-03 06:50:20 +00:00
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{
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2017-12-03 06:50:21 +00:00
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case REG_SZ:
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2017-12-03 06:50:20 +00:00
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export_string_data(&buf, data, size);
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2017-12-03 06:50:21 +00:00
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break;
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2017-12-03 06:50:23 +00:00
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case REG_DWORD:
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if (size)
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{
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export_dword_data(&buf, data);
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break;
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}
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/* fall through */
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2017-12-03 06:50:21 +00:00
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case REG_NONE:
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case REG_EXPAND_SZ:
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case REG_BINARY:
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case REG_MULTI_SZ:
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default:
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export_hex_data(hFile, &buf, type, line_len, data, size);
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break;
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}
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if (size || type == REG_SZ)
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{
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2017-12-03 06:50:20 +00:00
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write_file(hFile, buf);
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heap_free(buf);
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}
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export_newline(hFile);
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}
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2017-12-03 06:50:18 +00:00
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static void export_key_name(HANDLE hFile, WCHAR *name)
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{
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static const WCHAR fmt[] = {'\r','\n','[','%','s',']','\r','\n',0};
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WCHAR *buf;
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buf = heap_xalloc((lstrlenW(name) + 7) * sizeof(WCHAR));
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2019-04-11 08:04:28 +00:00
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swprintf(buf, lstrlenW(name) + 7, fmt, name);
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2017-12-03 06:50:18 +00:00
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write_file(hFile, buf);
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heap_free(buf);
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}
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2017-12-03 06:50:19 +00:00
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static int export_registry_data(HANDLE hFile, HKEY key, WCHAR *path)
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{
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LONG rc;
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DWORD max_value_len = 256, value_len;
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2017-12-03 06:50:20 +00:00
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DWORD max_data_bytes = 2048, data_size;
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2017-12-03 06:50:24 +00:00
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DWORD subkey_len;
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DWORD i, type, path_len;
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WCHAR *value_name, *subkey_name, *subkey_path;
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2017-12-03 06:50:20 +00:00
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BYTE *data;
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2017-12-03 06:50:24 +00:00
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HKEY subkey;
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2017-12-03 06:50:19 +00:00
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export_key_name(hFile, path);
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value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
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2017-12-03 06:50:20 +00:00
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data = heap_xalloc(max_data_bytes);
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2017-12-03 06:50:19 +00:00
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i = 0;
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for (;;)
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{
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value_len = max_value_len;
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2017-12-03 06:50:20 +00:00
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data_size = max_data_bytes;
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rc = RegEnumValueW(key, i, value_name, &value_len, NULL, &type, data, &data_size);
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2017-12-03 06:50:19 +00:00
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if (rc == ERROR_SUCCESS)
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{
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2017-12-03 06:50:20 +00:00
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export_data(hFile, value_name, value_len, type, data, data_size);
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2017-12-03 06:50:19 +00:00
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i++;
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}
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else if (rc == ERROR_MORE_DATA)
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{
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2017-12-03 06:50:20 +00:00
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if (data_size > max_data_bytes)
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{
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max_data_bytes = data_size;
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data = heap_xrealloc(data, max_data_bytes);
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}
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else
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{
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max_value_len *= 2;
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value_name = heap_xrealloc(value_name, max_value_len * sizeof(WCHAR));
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}
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2017-12-03 06:50:19 +00:00
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}
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else break;
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}
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2017-12-03 06:50:20 +00:00
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heap_free(data);
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2017-12-03 06:50:19 +00:00
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heap_free(value_name);
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2017-12-03 06:50:24 +00:00
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subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
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path_len = lstrlenW(path);
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i = 0;
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for (;;)
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{
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subkey_len = MAX_SUBKEY_LEN;
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rc = RegEnumKeyExW(key, i, subkey_name, &subkey_len, NULL, NULL, NULL, NULL);
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if (rc == ERROR_SUCCESS)
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{
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subkey_path = build_subkey_path(path, path_len, subkey_name, subkey_len);
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if (!RegOpenKeyExW(key, subkey_name, 0, KEY_READ, &subkey))
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{
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export_registry_data(hFile, subkey, subkey_path);
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RegCloseKey(subkey);
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}
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heap_free(subkey_path);
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i++;
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}
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else break;
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}
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heap_free(subkey_name);
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2017-12-03 06:50:19 +00:00
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return 0;
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}
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2017-12-03 06:50:16 +00:00
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static void export_file_header(HANDLE hFile)
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{
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static const WCHAR header[] = { 0xfeff,'W','i','n','d','o','w','s',' ',
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'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ',
|
2019-04-03 19:47:59 +00:00
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'V','e','r','s','i','o','n',' ','5','.','0','0','\r','\n',0};
|
2017-12-03 06:50:16 +00:00
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write_file(hFile, header);
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}
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|
2017-12-03 06:50:15 +00:00
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static HANDLE create_file(const WCHAR *filename, DWORD action)
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|
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{
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return CreateFileW(filename, GENERIC_WRITE, 0, NULL, action, FILE_ATTRIBUTE_NORMAL, NULL);
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}
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static HANDLE get_file_handle(WCHAR *filename, BOOL overwrite_file)
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|
|
{
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HANDLE hFile = create_file(filename, overwrite_file ? CREATE_ALWAYS : CREATE_NEW);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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DWORD error = GetLastError();
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if (error == ERROR_FILE_EXISTS)
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{
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if (!ask_confirm(STRING_OVERWRITE_FILE, filename))
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|
{
|
|
|
|
output_message(STRING_CANCELLED);
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
hFile = create_file(filename, CREATE_ALWAYS);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
WCHAR *str;
|
|
|
|
|
|
|
|
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
|
|
|
|
FORMAT_MESSAGE_IGNORE_INSERTS, NULL, error, 0, (WCHAR *)&str, 0, NULL);
|
|
|
|
output_writeconsole(str, lstrlenW(str));
|
|
|
|
LocalFree(str);
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return hFile;
|
|
|
|
}
|
|
|
|
|
2017-12-03 06:50:10 +00:00
|
|
|
static BOOL is_overwrite_switch(const WCHAR *s)
|
|
|
|
{
|
2019-04-01 09:44:50 +00:00
|
|
|
if (lstrlenW(s) > 2)
|
2017-12-03 06:50:10 +00:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
if ((s[0] == '/' || s[0] == '-') && (s[1] == 'y' || s[1] == 'Y'))
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2017-12-03 06:50:09 +00:00
|
|
|
int reg_export(int argc, WCHAR *argv[])
|
|
|
|
{
|
2017-12-03 06:50:14 +00:00
|
|
|
HKEY root, hkey;
|
2017-12-03 06:50:11 +00:00
|
|
|
WCHAR *path, *long_key;
|
2017-12-03 06:50:15 +00:00
|
|
|
BOOL overwrite_file = FALSE;
|
|
|
|
HANDLE hFile;
|
2017-12-03 06:50:19 +00:00
|
|
|
int ret;
|
2017-12-03 06:50:11 +00:00
|
|
|
|
2017-12-03 06:50:10 +00:00
|
|
|
if (argc == 3 || argc > 5)
|
|
|
|
goto error;
|
|
|
|
|
2017-12-03 06:50:11 +00:00
|
|
|
if (!parse_registry_key(argv[2], &root, &path, &long_key))
|
|
|
|
return 1;
|
|
|
|
|
2017-12-03 06:50:15 +00:00
|
|
|
if (argc == 5 && !(overwrite_file = is_overwrite_switch(argv[4])))
|
2017-12-03 06:50:10 +00:00
|
|
|
goto error;
|
|
|
|
|
2017-12-03 06:50:14 +00:00
|
|
|
if (RegOpenKeyExW(root, path, 0, KEY_READ, &hkey))
|
|
|
|
{
|
|
|
|
output_message(STRING_INVALID_KEY);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2017-12-03 06:50:15 +00:00
|
|
|
hFile = get_file_handle(argv[3], overwrite_file);
|
2017-12-03 06:50:16 +00:00
|
|
|
export_file_header(hFile);
|
2017-12-03 06:50:19 +00:00
|
|
|
ret = export_registry_data(hFile, hkey, long_key);
|
|
|
|
export_newline(hFile);
|
2017-12-03 06:50:15 +00:00
|
|
|
CloseHandle(hFile);
|
2017-12-03 06:50:14 +00:00
|
|
|
|
|
|
|
RegCloseKey(hkey);
|
|
|
|
|
2017-12-03 06:50:19 +00:00
|
|
|
return ret;
|
2017-12-03 06:50:10 +00:00
|
|
|
|
|
|
|
error:
|
|
|
|
output_message(STRING_INVALID_SYNTAX);
|
2019-04-01 09:44:50 +00:00
|
|
|
output_message(STRING_FUNC_HELP, wcsupr(argv[1]));
|
2017-12-03 06:50:10 +00:00
|
|
|
return 1;
|
2017-12-03 06:50:09 +00:00
|
|
|
}
|