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git://source.winehq.org/git/wine.git
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304b80a9b5
Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
309 lines
8.4 KiB
C
309 lines
8.4 KiB
C
/*
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* Copyright 2016-2017, 2021 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 <errno.h>
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#include "reg.h"
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static DWORD wchar_get_type(const WCHAR *type_name)
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{
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DWORD i;
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if (!type_name)
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return REG_SZ;
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for (i = 0; i < ARRAY_SIZE(type_rels); i++)
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{
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if (!wcsicmp(type_rels[i].name, type_name))
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return type_rels[i].type;
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}
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return ~0u;
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}
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/* hexchar_to_byte from programs/regedit/hexedit.c */
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static inline BYTE hexchar_to_byte(WCHAR ch)
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{
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if (ch >= '0' && ch <= '9')
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return ch - '0';
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else if (ch >= 'a' && ch <= 'f')
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return ch - 'a' + 10;
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else if (ch >= 'A' && ch <= 'F')
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return ch - 'A' + 10;
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else
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return -1;
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}
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static BOOL get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator,
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BYTE **data_bytes, DWORD *size_bytes)
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{
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static const WCHAR empty;
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*size_bytes = 0;
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if (!data) data = ∅
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switch (reg_type)
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{
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case REG_NONE:
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case REG_SZ:
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case REG_EXPAND_SZ:
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{
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*size_bytes = (lstrlenW(data) + 1) * sizeof(WCHAR);
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*data_bytes = malloc(*size_bytes);
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lstrcpyW((WCHAR *)*data_bytes, data);
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break;
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}
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case REG_DWORD:
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/* case REG_DWORD_LITTLE_ENDIAN: */
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case REG_DWORD_BIG_ENDIAN: /* Yes, this is correct! */
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{
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LPWSTR rest;
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unsigned long val;
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val = wcstoul(data, &rest, (towlower(data[1]) == 'x') ? 16 : 10);
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if (*rest || data[0] == '-' || (val == ~0u && errno == ERANGE)) {
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output_message(STRING_MISSING_NUMBER);
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return FALSE;
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}
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*size_bytes = sizeof(DWORD);
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*data_bytes = malloc(*size_bytes);
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*(DWORD *)*data_bytes = val;
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break;
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}
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case REG_BINARY:
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{
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BYTE hex0, hex1, *ptr;
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int i = 0, destByteIndex = 0, datalen = lstrlenW(data);
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if (!datalen) return TRUE;
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*size_bytes = ((datalen + datalen % 2) / 2) * sizeof(BYTE);
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*data_bytes = malloc(*size_bytes);
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if (datalen % 2)
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{
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hex1 = hexchar_to_byte(data[i++]);
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if (hex1 == 0xFF)
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goto no_hex_data;
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*data_bytes[destByteIndex++] = hex1;
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}
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ptr = *data_bytes;
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for (; i + 1 < datalen; i += 2)
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{
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hex0 = hexchar_to_byte(data[i]);
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hex1 = hexchar_to_byte(data[i + 1]);
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if (hex0 == 0xFF || hex1 == 0xFF)
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goto no_hex_data;
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ptr[destByteIndex++] = (hex0 << 4) | hex1;
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}
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break;
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no_hex_data:
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free(*data_bytes);
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*data_bytes = NULL;
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output_message(STRING_MISSING_HEXDATA);
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return FALSE;
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}
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case REG_MULTI_SZ:
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{
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int i, destindex, len = lstrlenW(data);
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WCHAR *buffer = malloc((len + 2) * sizeof(WCHAR));
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for (i = 0, destindex = 0; i < len; i++, destindex++)
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{
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if (!separator && data[i] == '\\' && data[i + 1] == '0')
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{
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buffer[destindex] = 0;
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i++;
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}
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else if (data[i] == separator)
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buffer[destindex] = 0;
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else
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buffer[destindex] = data[i];
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if (destindex && !buffer[destindex - 1] && (!buffer[destindex] || destindex == 1))
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{
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free(buffer);
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output_message(STRING_INVALID_STRING);
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return FALSE;
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}
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}
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buffer[destindex] = 0;
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if (destindex && buffer[destindex - 1])
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buffer[++destindex] = 0;
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*size_bytes = (destindex + 1) * sizeof(WCHAR);
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*data_bytes = (BYTE *)buffer;
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break;
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}
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default:
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output_message(STRING_UNHANDLED_TYPE, reg_type, data);
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}
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return TRUE;
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}
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static int run_add(HKEY root, WCHAR *path, REGSAM sam, WCHAR *value_name, BOOL value_empty,
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WCHAR *type, WCHAR separator, WCHAR *data, BOOL force)
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{
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HKEY hkey;
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DWORD dispos, data_type, data_size;
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BYTE *reg_data = NULL;
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LONG rc;
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if (RegCreateKeyExW(root, path, 0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_READ|KEY_WRITE|sam, NULL, &hkey, &dispos))
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{
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output_message(STRING_ACCESS_DENIED);
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return 1;
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}
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if (!force && dispos == REG_OPENED_EXISTING_KEY)
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{
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if (RegQueryValueExW(hkey, value_name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
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{
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if (!ask_confirm(STRING_OVERWRITE_VALUE, value_name))
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{
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RegCloseKey(hkey);
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output_message(STRING_CANCELLED);
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return 0;
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}
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}
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}
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data_type = wchar_get_type(type);
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if (data_type == ~0u)
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{
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RegCloseKey(hkey);
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output_message(STRING_UNSUPPORTED_TYPE, type);
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return 1;
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}
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if ((data_type == REG_DWORD || data_type == REG_DWORD_BIG_ENDIAN) && !data)
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{
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RegCloseKey(hkey);
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output_message(STRING_INVALID_CMDLINE);
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return 1;
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}
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if (!get_regdata(data, data_type, separator, ®_data, &data_size))
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{
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RegCloseKey(hkey);
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return 1;
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}
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rc = RegSetValueExW(hkey, value_name, 0, data_type, reg_data, data_size);
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free(reg_data);
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RegCloseKey(hkey);
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if (rc)
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{
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output_message(STRING_ACCESS_DENIED);
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return 1;
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}
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output_message(STRING_SUCCESS);
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return 0;
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}
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int reg_add(int argc, WCHAR *argvW[])
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{
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HKEY root;
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WCHAR *path, *value_name = NULL, *type = NULL, *data = NULL, separator = '\0';
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BOOL value_empty = FALSE, force = FALSE;
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REGSAM sam = 0;
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int i;
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if (!parse_registry_key(argvW[2], &root, &path))
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return 1;
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for (i = 3; i < argc; i++)
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{
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WCHAR *str;
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if (argvW[i][0] != '/' && argvW[i][0] != '-')
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goto invalid;
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str = &argvW[i][1];
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if (!lstrcmpiW(str, L"ve"))
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{
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if (value_empty) goto invalid;
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value_empty = TRUE;
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continue;
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}
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else if (!lstrcmpiW(str, L"reg:32"))
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{
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if (sam & KEY_WOW64_32KEY) goto invalid;
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sam |= KEY_WOW64_32KEY;
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continue;
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}
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else if (!lstrcmpiW(str, L"reg:64"))
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{
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if (sam & KEY_WOW64_64KEY) goto invalid;
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sam |= KEY_WOW64_64KEY;
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continue;
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}
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else if (!str[0] || str[1])
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goto invalid;
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switch (towlower(*str))
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{
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case 'v':
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if (value_name || !(value_name = argvW[++i]))
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goto invalid;
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break;
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case 't':
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if (type || !(type = argvW[++i]))
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goto invalid;
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break;
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case 'd':
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if (data || !(data = argvW[++i]))
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goto invalid;
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break;
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case 's':
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str = argvW[++i];
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if (separator || !str || lstrlenW(str) != 1)
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goto invalid;
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separator = str[0];
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break;
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case 'f':
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if (force) goto invalid;
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force = TRUE;
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break;
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default:
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goto invalid;
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}
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}
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if (value_name && value_empty)
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goto invalid;
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if (sam == (KEY_WOW64_32KEY|KEY_WOW64_64KEY))
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goto invalid;
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return run_add(root, path, sam, value_name, value_empty, type, separator, data, force);
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invalid:
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output_message(STRING_INVALID_SYNTAX);
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output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
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return 1;
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}
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