Sweden-Number/programs/reg/reg.c

1084 lines
29 KiB
C

/*
* 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 <errno.h>
#include <stdlib.h>
#include <wine/unicode.h>
#include <wine/debug.h>
#include "reg.h"
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},
};
void *heap_xalloc(size_t size)
{
void *buf = HeapAlloc(GetProcessHeap(), 0, size);
if (!buf)
{
ERR("Out of memory!\n");
exit(1);
}
return buf;
}
void *heap_xrealloc(void *buf, size_t size)
{
void *new_buf;
if (buf)
new_buf = HeapReAlloc(GetProcessHeap(), 0, buf, size);
else
new_buf = HeapAlloc(GetProcessHeap(), 0, size);
if (!new_buf)
{
ERR("Out of memory!\n");
exit(1);
}
return new_buf;
}
BOOL heap_free(void *buf)
{
return HeapFree(GetProcessHeap(), 0, buf);
}
static void output_writeconsole(const WCHAR *str, DWORD wlen)
{
DWORD count, ret;
ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL);
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);
msgA = heap_xalloc(len);
WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, msgA, len, NULL, NULL);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
heap_free(msgA);
}
}
static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
{
WCHAR *str;
DWORD len;
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);
}
void WINAPIV output_message(unsigned int id, ...)
{
WCHAR fmt[1024];
__ms_va_list va_args;
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 WINAPIV 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);
}
/* 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];
WCHAR *str;
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));
str = (reg_info && *reg_info) ? reg_info : defval;
while (1)
{
output_message(msgid, str);
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] == '\\'));
}
HKEY path_get_rootkey(const WCHAR *path)
{
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;
}
static DWORD wchar_get_type(const WCHAR *type_name)
{
DWORD i;
if (!type_name)
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;
}
return ~0u;
}
/* 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;
}
static LPBYTE get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator, DWORD *reg_count)
{
static const WCHAR empty;
LPBYTE out_data = NULL;
*reg_count = 0;
if (!data) data = &empty;
switch (reg_type)
{
case REG_NONE:
case REG_SZ:
case REG_EXPAND_SZ:
{
*reg_count = (lstrlenW(data) + 1) * sizeof(WCHAR);
out_data = heap_xalloc(*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;
unsigned long val;
val = wcstoul(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 = heap_xalloc(*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 = heap_xalloc(*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 */
heap_free(out_data);
output_message(STRING_MISSING_HEXDATA);
out_data = NULL;
break;
}
case REG_MULTI_SZ:
{
int i, destindex, len = strlenW(data);
WCHAR *buffer = heap_xalloc((len + 2) * sizeof(WCHAR));
for (i = 0, destindex = 0; i < len; i++, destindex++)
{
if (!separator && data[i] == '\\' && data[i + 1] == '0')
{
buffer[destindex] = 0;
i++;
}
else if (data[i] == separator)
buffer[destindex] = 0;
else
buffer[destindex] = data[i];
if (destindex && !buffer[destindex - 1] && (!buffer[destindex] || destindex == 1))
{
heap_free(buffer);
output_message(STRING_INVALID_STRING);
return NULL;
}
}
buffer[destindex] = 0;
if (destindex && buffer[destindex - 1])
buffer[++destindex] = 0;
*reg_count = (destindex + 1) * sizeof(WCHAR);
return (BYTE *)buffer;
}
default:
output_message(STRING_UNHANDLED_TYPE, reg_type, data);
}
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;
}
static int reg_add(HKEY root, WCHAR *path, WCHAR *value_name, BOOL value_empty,
WCHAR *type, WCHAR separator, WCHAR *data, BOOL force)
{
HKEY key;
if (RegCreateKeyW(root, path, &key) != ERROR_SUCCESS)
{
output_message(STRING_INVALID_KEY);
return 1;
}
if (value_name || value_empty || data)
{
DWORD reg_type;
DWORD reg_count = 0;
BYTE* reg_data = NULL;
if (!force)
{
if (RegQueryValueExW(key, value_name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
if (!ask_confirm(STRING_OVERWRITE_VALUE, value_name))
{
RegCloseKey(key);
output_message(STRING_CANCELLED);
return 0;
}
}
}
reg_type = wchar_get_type(type);
if (reg_type == ~0u)
{
RegCloseKey(key);
output_message(STRING_UNSUPPORTED_TYPE, type);
return 1;
}
if ((reg_type == REG_DWORD || reg_type == REG_DWORD_BIG_ENDIAN) && !data)
{
RegCloseKey(key);
output_message(STRING_INVALID_CMDLINE);
return 1;
}
if (!(reg_data = get_regdata(data, reg_type, separator, &reg_count)))
{
RegCloseKey(key);
return 1;
}
RegSetValueExW(key, value_name, 0, reg_type, reg_data, reg_count);
heap_free(reg_data);
}
RegCloseKey(key);
output_message(STRING_SUCCESS);
return 0;
}
static int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
BOOL value_empty, BOOL value_all, BOOL force)
{
HKEY key;
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;
}
}
/* Delete subtree only if no /v* option is given */
if (!value_name && !value_empty && !value_all)
{
if (RegDeleteTreeW(root, path) != ERROR_SUCCESS)
{
output_message(STRING_CANNOT_FIND);
return 1;
}
output_message(STRING_SUCCESS);
return 0;
}
if (RegOpenKeyW(root, path, &key) != ERROR_SUCCESS)
{
output_message(STRING_CANNOT_FIND);
return 1;
}
if (value_all)
{
DWORD max_value_len = 256, value_len;
WCHAR *value_name;
LONG rc;
value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
while (1)
{
value_len = max_value_len;
rc = RegEnumValueW(key, 0, value_name, &value_len, NULL, NULL, NULL, NULL);
if (rc == ERROR_SUCCESS)
{
rc = RegDeleteValueW(key, value_name);
if (rc != ERROR_SUCCESS)
{
heap_free(value_name);
RegCloseKey(key);
output_message(STRING_VALUEALL_FAILED, key_name);
return 1;
}
}
else if (rc == ERROR_MORE_DATA)
{
max_value_len *= 2;
value_name = heap_xrealloc(value_name, max_value_len * sizeof(WCHAR));
}
else break;
}
heap_free(value_name);
}
else if (value_name || value_empty)
{
if (RegDeleteValueW(key, value_empty ? NULL : value_name) != ERROR_SUCCESS)
{
RegCloseKey(key);
output_message(STRING_CANNOT_FIND);
return 1;
}
}
RegCloseKey(key);
output_message(STRING_SUCCESS);
return 0;
}
static WCHAR *reg_data_to_wchar(DWORD type, const BYTE *src, DWORD size_bytes)
{
WCHAR *buffer = NULL;
int i;
switch (type)
{
case REG_SZ:
case REG_EXPAND_SZ:
buffer = heap_xalloc(size_bytes);
strcpyW(buffer, (WCHAR *)src);
break;
case REG_NONE:
case REG_BINARY:
{
WCHAR *ptr;
static const WCHAR fmt[] = {'%','0','2','X',0};
buffer = heap_xalloc((size_bytes * 2 + 1) * sizeof(WCHAR));
ptr = buffer;
for (i = 0; i < size_bytes; i++)
ptr += sprintfW(ptr, fmt, src[i]);
break;
}
case REG_DWORD:
/* case REG_DWORD_LITTLE_ENDIAN: */
case REG_DWORD_BIG_ENDIAN:
{
const int zero_x_dword = 10;
static const WCHAR fmt[] = {'0','x','%','x',0};
buffer = heap_xalloc((zero_x_dword + 1) * sizeof(WCHAR));
sprintfW(buffer, fmt, *(DWORD *)src);
break;
}
case REG_MULTI_SZ:
{
const int two_wchars = 2 * sizeof(WCHAR);
DWORD tmp_size;
const WCHAR *tmp = (const WCHAR *)src;
int len, destindex;
if (size_bytes <= two_wchars)
{
buffer = heap_xalloc(sizeof(WCHAR));
*buffer = 0;
return buffer;
}
tmp_size = size_bytes - two_wchars; /* exclude both null terminators */
buffer = heap_xalloc(tmp_size * 2 + sizeof(WCHAR));
len = tmp_size / sizeof(WCHAR);
for (i = 0, destindex = 0; i < len; i++, destindex++)
{
if (tmp[i])
buffer[destindex] = tmp[i];
else
{
buffer[destindex++] = '\\';
buffer[destindex] = '0';
}
}
buffer[destindex] = 0;
break;
}
}
return buffer;
}
static const WCHAR *reg_type_to_wchar(DWORD type)
{
int i, array_size = ARRAY_SIZE(type_rels);
for (i = 0; i < array_size; i++)
{
if (type == type_rels[i].type)
return type_rels[i].name;
}
return NULL;
}
static void output_value(const WCHAR *value_name, DWORD type, BYTE *data, DWORD data_size)
{
static const WCHAR fmt[] = {' ',' ',' ',' ','%','1',0};
static const WCHAR newlineW[] = {'\n',0};
WCHAR defval[32];
WCHAR *reg_data;
if (value_name && value_name[0])
output_string(fmt, value_name);
else
{
LoadStringW(GetModuleHandleW(NULL), STRING_DEFAULT_VALUE, defval, ARRAY_SIZE(defval));
output_string(fmt, defval);
}
output_string(fmt, reg_type_to_wchar(type));
if (data)
{
reg_data = reg_data_to_wchar(type, data, data_size);
output_string(fmt, reg_data);
heap_free(reg_data);
}
else
{
LoadStringW(GetModuleHandleW(NULL), STRING_VALUE_NOT_SET, defval, ARRAY_SIZE(defval));
output_string(fmt, defval);
}
output_string(newlineW);
}
static WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD subkey_len)
{
WCHAR *subkey_path;
static const WCHAR fmt[] = {'%','s','\\','%','s',0};
subkey_path = heap_xalloc((path_len + subkey_len + 2) * sizeof(WCHAR));
sprintfW(subkey_path, fmt, path, subkey_name);
return subkey_path;
}
static unsigned int num_values_found = 0;
#define MAX_SUBKEY_LEN 257
static int query_value(HKEY key, WCHAR *value_name, WCHAR *path, BOOL recurse)
{
LONG rc;
DWORD max_data_bytes = 2048, data_size;
DWORD subkey_len;
DWORD type, path_len, i;
BYTE *data;
WCHAR fmt[] = {'%','1','\n',0};
WCHAR newlineW[] = {'\n',0};
WCHAR *subkey_name, *subkey_path;
HKEY subkey;
data = heap_xalloc(max_data_bytes);
for (;;)
{
data_size = max_data_bytes;
rc = RegQueryValueExW(key, value_name, NULL, &type, data, &data_size);
if (rc == ERROR_MORE_DATA)
{
max_data_bytes = data_size;
data = heap_xrealloc(data, max_data_bytes);
}
else break;
}
if (rc == ERROR_SUCCESS)
{
output_string(fmt, path);
output_value(value_name, type, data, data_size);
output_string(newlineW);
num_values_found++;
}
heap_free(data);
if (!recurse)
{
if (rc == ERROR_FILE_NOT_FOUND)
{
if (value_name && *value_name)
{
output_message(STRING_CANNOT_FIND);
return 1;
}
output_string(fmt, path);
output_value(NULL, REG_SZ, NULL, 0);
}
return 0;
}
subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
path_len = strlenW(path);
i = 0;
for (;;)
{
subkey_len = MAX_SUBKEY_LEN;
rc = RegEnumKeyExW(key, i, subkey_name, &subkey_len, NULL, NULL, NULL, NULL);
if (rc == ERROR_SUCCESS)
{
subkey_path = build_subkey_path(path, path_len, subkey_name, subkey_len);
if (!RegOpenKeyExW(key, subkey_name, 0, KEY_READ, &subkey))
{
query_value(subkey, value_name, subkey_path, recurse);
RegCloseKey(subkey);
}
heap_free(subkey_path);
i++;
}
else break;
}
heap_free(subkey_name);
return 0;
}
static int query_all(HKEY key, WCHAR *path, BOOL recurse)
{
LONG rc;
DWORD max_value_len = 256, value_len;
DWORD max_data_bytes = 2048, data_size;
DWORD subkey_len;
DWORD i, type, path_len;
WCHAR fmt[] = {'%','1','\n',0};
WCHAR fmt_path[] = {'%','1','\\','%','2','\n',0};
WCHAR *value_name, *subkey_name, *subkey_path;
WCHAR newlineW[] = {'\n',0};
BYTE *data;
HKEY subkey;
output_string(fmt, path);
value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
data = heap_xalloc(max_data_bytes);
i = 0;
for (;;)
{
value_len = max_value_len;
data_size = max_data_bytes;
rc = RegEnumValueW(key, i, value_name, &value_len, NULL, &type, data, &data_size);
if (rc == ERROR_SUCCESS)
{
output_value(value_name, type, data, data_size);
i++;
}
else if (rc == ERROR_MORE_DATA)
{
if (data_size > max_data_bytes)
{
max_data_bytes = data_size;
data = heap_xrealloc(data, max_data_bytes);
}
else
{
max_value_len *= 2;
value_name = heap_xrealloc(value_name, max_value_len * sizeof(WCHAR));
}
}
else break;
}
heap_free(data);
heap_free(value_name);
if (i || recurse)
output_string(newlineW);
subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
path_len = strlenW(path);
i = 0;
for (;;)
{
subkey_len = MAX_SUBKEY_LEN;
rc = RegEnumKeyExW(key, i, subkey_name, &subkey_len, NULL, NULL, NULL, NULL);
if (rc == ERROR_SUCCESS)
{
if (recurse)
{
subkey_path = build_subkey_path(path, path_len, subkey_name, subkey_len);
if (!RegOpenKeyExW(key, subkey_name, 0, KEY_READ, &subkey))
{
query_all(subkey, subkey_path, recurse);
RegCloseKey(subkey);
}
heap_free(subkey_path);
}
else output_string(fmt_path, path, subkey_name);
i++;
}
else break;
}
heap_free(subkey_name);
if (i && !recurse)
output_string(newlineW);
return 0;
}
static int reg_query(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
BOOL value_empty, BOOL recurse)
{
HKEY key;
WCHAR newlineW[] = {'\n',0};
int ret;
if (RegOpenKeyExW(root, path, 0, KEY_READ, &key) != ERROR_SUCCESS)
{
output_message(STRING_CANNOT_FIND);
return 1;
}
output_string(newlineW);
if (value_name || value_empty)
{
ret = query_value(key, value_name, key_name, recurse);
if (recurse)
output_message(STRING_MATCHES_FOUND, num_values_found);
}
else
ret = query_all(key, key_name, recurse);
RegCloseKey(key);
return ret;
}
static WCHAR *get_long_key(HKEY root, WCHAR *path)
{
DWORD i, array_size = ARRAY_SIZE(root_rels), len;
WCHAR *long_key;
WCHAR fmt[] = {'%','s','\\','%','s',0};
for (i = 0; i < array_size; i++)
{
if (root == root_rels[i].key)
break;
}
len = strlenW(root_rels[i].long_name);
if (!path)
{
long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
strcpyW(long_key, root_rels[i].long_name);
return long_key;
}
len += strlenW(path) + 1; /* add one for the backslash */
long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
sprintfW(long_key, fmt, root_rels[i].long_name, path);
return long_key;
}
static BOOL parse_registry_key(const WCHAR *key, HKEY *root, WCHAR **path, WCHAR **long_key)
{
if (!sane_path(key))
return FALSE;
*root = path_get_rootkey(key);
if (!*root)
{
output_message(STRING_INVALID_KEY);
return FALSE;
}
*path = strchrW(key, '\\');
if (*path) (*path)++;
*long_key = get_long_key(*root, *path);
return TRUE;
}
static BOOL is_help_switch(const WCHAR *s)
{
if (strlenW(s) > 2)
return FALSE;
if ((s[0] == '/' || s[0] == '-') && (s[1] == 'h' || s[1] == '?'))
return TRUE;
return FALSE;
}
enum operations {
REG_ADD,
REG_DELETE,
REG_IMPORT,
REG_QUERY,
REG_INVALID
};
static enum operations get_operation(const WCHAR *str, int *op_help)
{
struct op_info { const WCHAR *op; int id; int help_id; };
static const WCHAR add[] = {'a','d','d',0};
static const WCHAR delete[] = {'d','e','l','e','t','e',0};
static const WCHAR import[] = {'i','m','p','o','r','t',0};
static const WCHAR query[] = {'q','u','e','r','y',0};
static const struct op_info op_array[] =
{
{ add, REG_ADD, STRING_ADD_USAGE },
{ delete, REG_DELETE, STRING_DELETE_USAGE },
{ import, REG_IMPORT, STRING_IMPORT_USAGE },
{ query, REG_QUERY, STRING_QUERY_USAGE },
{ NULL, -1, 0 }
};
const struct op_info *ptr;
for (ptr = op_array; ptr->op; ptr++)
{
if (!lstrcmpiW(str, ptr->op))
{
*op_help = ptr->help_id;
return ptr->id;
}
}
return REG_INVALID;
}
int wmain(int argc, WCHAR *argvW[])
{
int i, op, op_help, ret;
BOOL show_op_help = FALSE;
static const WCHAR switchVAW[] = {'v','a',0};
static const WCHAR switchVEW[] = {'v','e',0};
WCHAR *key_name, *path, *value_name = NULL, *type = NULL, *data = NULL, separator = '\0';
BOOL value_empty = FALSE, value_all = FALSE, recurse = FALSE, force = FALSE;
HKEY root;
if (argc == 1)
{
output_message(STRING_INVALID_SYNTAX);
output_message(STRING_REG_HELP);
return 1;
}
if (is_help_switch(argvW[1]))
{
output_message(STRING_USAGE);
return 0;
}
op = get_operation(argvW[1], &op_help);
if (op == REG_INVALID)
{
output_message(STRING_INVALID_OPTION, argvW[1]);
output_message(STRING_REG_HELP);
return 1;
}
if (argc > 2)
show_op_help = is_help_switch(argvW[2]);
if (argc == 2 || ((show_op_help || op == REG_IMPORT) && argc > 3))
{
output_message(STRING_INVALID_SYNTAX);
output_message(STRING_FUNC_HELP, struprW(argvW[1]));
return 1;
}
else if (show_op_help)
{
output_message(op_help);
return 0;
}
if (op == REG_IMPORT)
return reg_import(argvW[2]);
if (!parse_registry_key(argvW[2], &root, &path, &key_name))
return 1;
for (i = 3; i < argc; i++)
{
if (argvW[i][0] == '/' || argvW[i][0] == '-')
{
WCHAR *ptr = &argvW[i][1];
if (!lstrcmpiW(ptr, switchVEW))
{
value_empty = TRUE;
continue;
}
else if (!lstrcmpiW(ptr, switchVAW))
{
value_all = TRUE;
continue;
}
else if (!ptr[0] || ptr[1])
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
switch(tolowerW(argvW[i][1]))
{
case 'v':
if (value_name || !(value_name = argvW[++i]))
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
break;
case 't':
if (type || !(type = argvW[++i]))
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
break;
case 'd':
if (data || !(data = argvW[++i]))
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
break;
case 's':
if (op == REG_QUERY)
{
recurse = TRUE;
break;
}
ptr = argvW[++i];
if (!ptr || strlenW(ptr) != 1)
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
separator = ptr[0];
break;
case 'f':
force = TRUE;
break;
default:
output_message(STRING_INVALID_CMDLINE);
return 1;
}
}
}
if ((value_name && value_empty) || (value_name && value_all) || (value_empty && value_all))
{
output_message(STRING_INVALID_CMDLINE);
return 1;
}
if (op == REG_ADD)
ret = reg_add(root, path, value_name, value_empty, type, separator, data, force);
else if (op == REG_DELETE)
ret = reg_delete(root, path, key_name, value_name, value_empty, value_all, force);
else
ret = reg_query(root, path, key_name, value_name, value_empty, recurse);
return ret;
}