Sweden-Number/programs/reg/reg.c

670 lines
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2008-03-19 07:36:28 +01:00
/*
* Copyright 2008 Andrew Riedi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <windows.h>
#include <wine/unicode.h>
#include <wine/debug.h>
#include <errno.h>
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#include "reg.h"
#define ARRAY_SIZE(A) (sizeof(A)/sizeof(*A))
WINE_DEFAULT_DEBUG_CHANNEL(reg);
static const WCHAR short_hklm[] = {'H','K','L','M',0};
static const WCHAR short_hkcu[] = {'H','K','C','U',0};
static const WCHAR short_hkcr[] = {'H','K','C','R',0};
static const WCHAR short_hku[] = {'H','K','U',0};
static const WCHAR short_hkcc[] = {'H','K','C','C',0};
static const WCHAR long_hklm[] = {'H','K','E','Y','_','L','O','C','A','L','_','M','A','C','H','I','N','E',0};
static const WCHAR long_hkcu[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','U','S','E','R',0};
static const WCHAR long_hkcr[] = {'H','K','E','Y','_','C','L','A','S','S','E','S','_','R','O','O','T',0};
static const WCHAR long_hku[] = {'H','K','E','Y','_','U','S','E','R','S',0};
static const WCHAR long_hkcc[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','C','O','N','F','I','G',0};
static const struct
{
HKEY key;
const WCHAR *short_name;
const WCHAR *long_name;
}
root_rels[] =
{
{HKEY_LOCAL_MACHINE, short_hklm, long_hklm},
{HKEY_CURRENT_USER, short_hkcu, long_hkcu},
{HKEY_CLASSES_ROOT, short_hkcr, long_hkcr},
{HKEY_USERS, short_hku, long_hku},
{HKEY_CURRENT_CONFIG, short_hkcc, long_hkcc},
};
static const WCHAR type_none[] = {'R','E','G','_','N','O','N','E',0};
static const WCHAR type_sz[] = {'R','E','G','_','S','Z',0};
static const WCHAR type_expand_sz[] = {'R','E','G','_','E','X','P','A','N','D','_','S','Z',0};
static const WCHAR type_binary[] = {'R','E','G','_','B','I','N','A','R','Y',0};
static const WCHAR type_dword[] = {'R','E','G','_','D','W','O','R','D',0};
static const WCHAR type_dword_le[] = {'R','E','G','_','D','W','O','R','D','_','L','I','T','T','L','E','_','E','N','D','I','A','N',0};
static const WCHAR type_dword_be[] = {'R','E','G','_','D','W','O','R','D','_','B','I','G','_','E','N','D','I','A','N',0};
static const WCHAR type_multi_sz[] = {'R','E','G','_','M','U','L','T','I','_','S','Z',0};
static const struct
{
DWORD type;
const WCHAR *name;
}
type_rels[] =
{
{REG_NONE, type_none},
{REG_SZ, type_sz},
{REG_EXPAND_SZ, type_expand_sz},
{REG_BINARY, type_binary},
{REG_DWORD, type_dword},
{REG_DWORD_LITTLE_ENDIAN, type_dword_le},
{REG_DWORD_BIG_ENDIAN, type_dword_be},
{REG_MULTI_SZ, type_multi_sz},
};
static void output_writeconsole(const WCHAR *str, DWORD wlen)
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{
DWORD count, ret;
ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL);
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if (!ret)
{
DWORD len;
char *msgA;
/* On Windows WriteConsoleW() fails if the output is redirected. So fall
* back to WriteFile(), assuming the console encoding is still the right
* one in that case.
*/
len = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, NULL, 0, NULL, NULL);
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msgA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
if (!msgA) return;
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WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, msgA, len, NULL, NULL);
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WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
HeapFree(GetProcessHeap(), 0, msgA);
}
}
static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
{
WCHAR *str;
DWORD len;
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SetLastError(NO_ERROR);
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
if (len == 0 && GetLastError() != NO_ERROR)
{
WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
output_writeconsole(str, len);
LocalFree(str);
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}
static void __cdecl output_message(unsigned int id, ...)
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{
WCHAR fmt[1024];
__ms_va_list va_args;
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if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, ARRAY_SIZE(fmt)))
{
WINE_FIXME("LoadString failed with %d\n", GetLastError());
return;
}
__ms_va_start(va_args, id);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
}
static void __cdecl output_string(const WCHAR *fmt, ...)
{
__ms_va_list va_args;
__ms_va_start(va_args, fmt);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
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}
/* ask_confirm() adapted from programs/cmd/builtins.c */
static BOOL ask_confirm(unsigned int msgid, WCHAR *reg_info)
{
HMODULE hmod;
WCHAR Ybuffer[4];
WCHAR Nbuffer[4];
WCHAR defval[32];
WCHAR answer[MAX_PATH];
DWORD count;
hmod = GetModuleHandleW(NULL);
LoadStringW(hmod, STRING_YES, Ybuffer, ARRAY_SIZE(Ybuffer));
LoadStringW(hmod, STRING_NO, Nbuffer, ARRAY_SIZE(Nbuffer));
LoadStringW(hmod, STRING_DEFAULT_VALUE, defval, ARRAY_SIZE(defval));
while (1)
{
output_message(msgid, reg_info ? reg_info : defval);
output_message(STRING_YESNO);
ReadConsoleW(GetStdHandle(STD_INPUT_HANDLE), answer, ARRAY_SIZE(answer), &count, NULL);
answer[0] = toupperW(answer[0]);
if (answer[0] == Ybuffer[0])
return TRUE;
if (answer[0] == Nbuffer[0])
return FALSE;
}
}
static inline BOOL path_rootname_cmp(const WCHAR *input_path, const WCHAR *rootkey_name)
{
DWORD length = strlenW(rootkey_name);
return (!strncmpiW(input_path, rootkey_name, length) &&
(input_path[length] == 0 || input_path[length] == '\\'));
}
static HKEY path_get_rootkey(const WCHAR *path)
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{
DWORD i;
for (i = 0; i < ARRAY_SIZE(root_rels); i++)
{
if (path_rootname_cmp(path, root_rels[i].short_name) ||
path_rootname_cmp(path, root_rels[i].long_name))
return root_rels[i].key;
}
return NULL;
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}
static DWORD wchar_get_type(const WCHAR *type_name)
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{
DWORD i;
if (!type_name)
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return REG_SZ;
for (i = 0; i < ARRAY_SIZE(type_rels); i++)
{
if (!strcmpiW(type_rels[i].name, type_name))
return type_rels[i].type;
}
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return ~0u;
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}
/* hexchar_to_byte from programs/regedit/hexedit.c */
static inline BYTE hexchar_to_byte(WCHAR ch)
{
if (ch >= '0' && ch <= '9')
return ch - '0';
else if (ch >= 'a' && ch <= 'f')
return ch - 'a' + 10;
else if (ch >= 'A' && ch <= 'F')
return ch - 'A' + 10;
else
return -1;
}
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static LPBYTE get_regdata(LPWSTR data, DWORD reg_type, WCHAR separator, DWORD *reg_count)
{
LPBYTE out_data = NULL;
*reg_count = 0;
switch (reg_type)
{
case REG_NONE:
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case REG_SZ:
case REG_EXPAND_SZ:
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{
*reg_count = (lstrlenW(data) + 1) * sizeof(WCHAR);
out_data = HeapAlloc(GetProcessHeap(),0,*reg_count);
lstrcpyW((LPWSTR)out_data,data);
break;
}
case REG_DWORD:
/* case REG_DWORD_LITTLE_ENDIAN: */
case REG_DWORD_BIG_ENDIAN: /* Yes, this is correct! */
{
LPWSTR rest;
DWORD val;
val = strtoulW(data, &rest, (tolowerW(data[1]) == 'x') ? 16 : 10);
if (*rest || data[0] == '-' || (val == ~0u && errno == ERANGE)) {
output_message(STRING_MISSING_INTEGER);
break;
}
*reg_count = sizeof(DWORD);
out_data = HeapAlloc(GetProcessHeap(),0,*reg_count);
((LPDWORD)out_data)[0] = val;
break;
}
case REG_BINARY:
{
BYTE hex0, hex1;
int i = 0, destByteIndex = 0, datalen = lstrlenW(data);
*reg_count = ((datalen + datalen % 2) / 2) * sizeof(BYTE);
out_data = HeapAlloc(GetProcessHeap(), 0, *reg_count);
if(datalen % 2)
{
hex1 = hexchar_to_byte(data[i++]);
if(hex1 == 0xFF)
goto no_hex_data;
out_data[destByteIndex++] = hex1;
}
for(;i + 1 < datalen;i += 2)
{
hex0 = hexchar_to_byte(data[i]);
hex1 = hexchar_to_byte(data[i + 1]);
if(hex0 == 0xFF || hex1 == 0xFF)
goto no_hex_data;
out_data[destByteIndex++] = (hex0 << 4) | hex1;
}
break;
no_hex_data:
/* cleanup, print error */
HeapFree(GetProcessHeap(), 0, out_data);
output_message(STRING_MISSING_HEXDATA);
out_data = NULL;
break;
}
case REG_MULTI_SZ:
/* FIXME: Needs handling */
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default:
output_message(STRING_UNHANDLED_TYPE, reg_type, data);
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}
return out_data;
}
static BOOL sane_path(const WCHAR *key)
{
unsigned int i = strlenW(key);
if (i < 3 || (key[i - 1] == '\\' && key[i - 2] == '\\'))
{
output_message(STRING_INVALID_KEY);
return FALSE;
}
if (key[0] == '\\' && key[1] == '\\' && key[2] != '\\')
{
output_message(STRING_NO_REMOTE);
return FALSE;
}
return TRUE;
}
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static int reg_add(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
WCHAR *type, WCHAR separator, WCHAR *data, BOOL force)
{
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LPWSTR p;
HKEY root,subkey;
if (!sane_path(key_name))
return 1;
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p = strchrW(key_name,'\\');
if (!p)
{
output_message(STRING_INVALID_KEY);
return 1;
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}
p++;
root = path_get_rootkey(key_name);
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if (!root)
{
output_message(STRING_INVALID_KEY);
return 1;
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}
if (value_name && value_empty)
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
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if(RegCreateKeyW(root,p,&subkey)!=ERROR_SUCCESS)
{
output_message(STRING_INVALID_KEY);
return 1;
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}
if (value_name || data)
{
DWORD reg_type;
DWORD reg_count = 0;
BYTE* reg_data = NULL;
if (!force)
{
if (RegQueryValueExW(subkey, value_name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
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{
if (!ask_confirm(STRING_OVERWRITE_VALUE, value_name))
{
RegCloseKey(subkey);
output_message(STRING_CANCELLED);
return 0;
}
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}
}
reg_type = wchar_get_type(type);
if (reg_type == ~0u)
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{
RegCloseKey(subkey);
output_message(STRING_UNSUPPORTED_TYPE, type);
return 1;
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}
if (reg_type == REG_DWORD && !data)
{
RegCloseKey(subkey);
output_message(STRING_INVALID_CMDLINE);
return 1;
}
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if (data && !(reg_data = get_regdata(data, reg_type, separator, &reg_count)))
{
RegCloseKey(subkey);
return 1;
}
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RegSetValueExW(subkey,value_name,0,reg_type,reg_data,reg_count);
HeapFree(GetProcessHeap(),0,reg_data);
}
RegCloseKey(subkey);
output_message(STRING_SUCCESS);
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return 0;
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}
static int reg_delete(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
BOOL value_all, BOOL force)
{
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LPWSTR p;
HKEY root,subkey;
if (!sane_path(key_name))
return 1;
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p = strchrW(key_name,'\\');
if (!p)
{
output_message(STRING_INVALID_KEY);
return 1;
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}
p++;
root = path_get_rootkey(key_name);
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if (!root)
{
output_message(STRING_INVALID_KEY);
return 1;
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}
if ((value_name && value_empty) || (value_name && value_all) || (value_empty && value_all))
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{
output_message(STRING_INVALID_CMDLINE);
return 1;
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}
if (!force)
{
BOOL ret;
if (value_name || value_empty)
ret = ask_confirm(STRING_DELETE_VALUE, value_name);
else if (value_all)
ret = ask_confirm(STRING_DELETE_VALUEALL, key_name);
else
ret = ask_confirm(STRING_DELETE_SUBKEY, key_name);
if (!ret)
{
output_message(STRING_CANCELLED);
return 0;
}
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}
/* Delete subtree only if no /v* option is given */
if (!value_name && !value_empty && !value_all)
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{
if (RegDeleteTreeW(root,p)!=ERROR_SUCCESS)
{
output_message(STRING_CANNOT_FIND);
return 1;
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}
output_message(STRING_SUCCESS);
return 0;
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}
if(RegOpenKeyW(root,p,&subkey)!=ERROR_SUCCESS)
{
output_message(STRING_CANNOT_FIND);
return 1;
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}
if (value_all)
{
LPWSTR szValue;
DWORD maxValue;
DWORD count;
LONG rc;
rc = RegQueryInfoKeyW(subkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&maxValue, NULL, NULL, NULL);
if (rc != ERROR_SUCCESS)
{
/* FIXME: failure */
RegCloseKey(subkey);
return 1;
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}
maxValue++;
szValue = HeapAlloc(GetProcessHeap(),0,maxValue*sizeof(WCHAR));
while (1)
{
count = maxValue;
rc = RegEnumValueW(subkey, 0, szValue, &count, NULL, NULL, NULL, NULL);
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if (rc == ERROR_SUCCESS)
{
rc = RegDeleteValueW(subkey, szValue);
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if (rc != ERROR_SUCCESS)
break;
}
else break;
}
if (rc != ERROR_SUCCESS)
{
/* FIXME delete failed */
}
}
else if (value_name)
{
if (RegDeleteValueW(subkey,value_name) != ERROR_SUCCESS)
{
RegCloseKey(subkey);
output_message(STRING_CANNOT_FIND);
return 1;
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}
}
else if (value_empty)
{
RegSetValueExW(subkey,NULL,0,REG_SZ,NULL,0);
}
RegCloseKey(subkey);
output_message(STRING_SUCCESS);
return 0;
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}
static int reg_query(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
BOOL subkey)
{
static const WCHAR stubW[] = {'S','T','U','B',' ','Q','U','E','R','Y',' ',
'-',' ','%','1',' ','%','2',' ','%','3','!','d','!',' ','%','4','!','d','!','\n',0};
output_string(stubW, key_name, value_name, value_empty, subkey);
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return 1;
}
int wmain(int argc, WCHAR *argvW[])
{
int i;
static const WCHAR addW[] = {'a','d','d',0};
static const WCHAR deleteW[] = {'d','e','l','e','t','e',0};
static const WCHAR queryW[] = {'q','u','e','r','y',0};
static const WCHAR slashDW[] = {'/','d',0};
static const WCHAR slashFW[] = {'/','f',0};
static const WCHAR slashHW[] = {'/','h',0};
static const WCHAR slashSW[] = {'/','s',0};
static const WCHAR slashTW[] = {'/','t',0};
static const WCHAR slashVW[] = {'/','v',0};
static const WCHAR slashVAW[] = {'/','v','a',0};
static const WCHAR slashVEW[] = {'/','v','e',0};
static const WCHAR slashHelpW[] = {'/','?',0};
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if (argc < 2 || !lstrcmpW(argvW[1], slashHelpW)
|| !lstrcmpiW(argvW[1], slashHW))
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{
output_message(STRING_USAGE);
return 0;
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}
if (!lstrcmpiW(argvW[1], addW))
{
WCHAR *key_name, *value_name = NULL, *type = NULL, separator = '\0', *data = NULL;
BOOL value_empty = FALSE, force = FALSE;
if (argc < 3)
{
output_message(STRING_INVALID_CMDLINE);
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return 1;
}
else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
!lstrcmpiW(argvW[2], slashHW)))
{
output_message(STRING_ADD_USAGE);
return 0;
}
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key_name = argvW[2];
for (i = 1; i < argc; i++)
{
if (!lstrcmpiW(argvW[i], slashVW))
value_name = argvW[++i];
else if (!lstrcmpiW(argvW[i], slashVEW))
value_empty = TRUE;
else if (!lstrcmpiW(argvW[i], slashTW))
type = argvW[++i];
else if (!lstrcmpiW(argvW[i], slashSW))
{
WCHAR *ptr = argvW[++i];
if (!ptr || strlenW(ptr) != 1)
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
separator = ptr[0];
}
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else if (!lstrcmpiW(argvW[i], slashDW))
{
if (!(data = argvW[++i]))
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
}
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else if (!lstrcmpiW(argvW[i], slashFW))
force = TRUE;
}
return reg_add(key_name, value_name, value_empty, type, separator,
data, force);
}
else if (!lstrcmpiW(argvW[1], deleteW))
{
WCHAR *key_name, *value_name = NULL;
BOOL value_empty = FALSE, value_all = FALSE, force = FALSE;
if (argc < 3)
{
output_message(STRING_INVALID_CMDLINE);
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return 1;
}
else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
!lstrcmpiW(argvW[2], slashHW)))
{
output_message(STRING_DELETE_USAGE);
return 0;
}
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key_name = argvW[2];
for (i = 1; i < argc; i++)
{
if (!lstrcmpiW(argvW[i], slashVW))
value_name = argvW[++i];
else if (!lstrcmpiW(argvW[i], slashVEW))
value_empty = TRUE;
else if (!lstrcmpiW(argvW[i], slashVAW))
value_all = TRUE;
else if (!lstrcmpiW(argvW[i], slashFW))
force = TRUE;
}
return reg_delete(key_name, value_name, value_empty, value_all, force);
}
else if (!lstrcmpiW(argvW[1], queryW))
{
WCHAR *key_name, *value_name = NULL;
BOOL value_empty = FALSE, subkey = FALSE;
if (argc < 3)
{
output_message(STRING_INVALID_CMDLINE);
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return 1;
}
else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
!lstrcmpiW(argvW[2], slashHW)))
{
output_message(STRING_QUERY_USAGE);
return 0;
}
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key_name = argvW[2];
for (i = 1; i < argc; i++)
{
if (!lstrcmpiW(argvW[i], slashVW))
value_name = argvW[++i];
else if (!lstrcmpiW(argvW[i], slashVEW))
value_empty = TRUE;
else if (!lstrcmpiW(argvW[i], slashSW))
subkey = TRUE;
}
return reg_query(key_name, value_name, value_empty, subkey);
}
else
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
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}