Sweden-Number/programs/reg/reg.c

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/*
* Copyright 2008 Andrew Riedi
* Copyright 2016-2017, 2021 Hugh McMaster
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*
* 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 "reg.h"
#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(reg);
static const struct
{
HKEY key;
const WCHAR *short_name;
const WCHAR *long_name;
}
root_rels[] =
{
{HKEY_LOCAL_MACHINE, L"HKLM", L"HKEY_LOCAL_MACHINE"},
{HKEY_CURRENT_USER, L"HKCU", L"HKEY_CURRENT_USER"},
{HKEY_CLASSES_ROOT, L"HKCR", L"HKEY_CLASSES_ROOT"},
{HKEY_USERS, L"HKU", L"HKEY_USERS"},
{HKEY_CURRENT_CONFIG, L"HKCC", L"HKEY_CURRENT_CONFIG"},
};
const struct reg_type_rels type_rels[] =
{
{REG_NONE, L"REG_NONE"},
{REG_SZ, L"REG_SZ"},
{REG_EXPAND_SZ, L"REG_EXPAND_SZ"},
{REG_BINARY, L"REG_BINARY"},
{REG_DWORD, L"REG_DWORD"},
{REG_DWORD_LITTLE_ENDIAN, L"REG_DWORD_LITTLE_ENDIAN"},
{REG_DWORD_BIG_ENDIAN, L"REG_DWORD_BIG_ENDIAN"},
{REG_MULTI_SZ, L"REG_MULTI_SZ"},
};
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);
msgA = malloc(len);
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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);
free(msgA);
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}
}
static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
{
WCHAR *str;
DWORD len;
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len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
{
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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}
void WINAPIV output_message(unsigned int id, ...)
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{
WCHAR *fmt = NULL;
int len;
__ms_va_list va_args;
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if (!(len = LoadStringW(GetModuleHandleW(NULL), id, (WCHAR *)&fmt, 0)))
{
WINE_FIXME("LoadString failed with %d\n", GetLastError());
return;
}
len++;
fmt = malloc(len * sizeof(WCHAR));
if (!fmt) return;
LoadStringW(GetModuleHandleW(NULL), id, fmt, len);
__ms_va_start(va_args, id);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
free(fmt);
}
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);
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}
/* ask_confirm() adapted from programs/cmd/builtins.c */
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] = towupper(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 = lstrlenW(rootkey_name);
return (!wcsnicmp(input_path, rootkey_name, length) &&
(input_path[length] == 0 || input_path[length] == '\\'));
}
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 BOOL sane_path(const WCHAR *key)
{
unsigned int i = lstrlenW(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;
}
WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD subkey_len)
{
WCHAR *subkey_path;
subkey_path = malloc((path_len + subkey_len + 2) * sizeof(WCHAR));
swprintf(subkey_path, path_len + subkey_len + 2, L"%s\\%s", path, subkey_name);
return subkey_path;
}
WCHAR *get_long_key(HKEY root, WCHAR *path)
{
int i, len;
WCHAR *long_key;
for (i = 0; i < ARRAY_SIZE(root_rels); i++)
{
if (root == root_rels[i].key)
break;
}
len = lstrlenW(root_rels[i].long_name);
if (!path)
{
long_key = malloc((len + 1) * sizeof(WCHAR));
lstrcpyW(long_key, root_rels[i].long_name);
return long_key;
}
len += lstrlenW(path) + 1; /* add one for the concatenating backslash */
long_key = malloc((len + 1) * sizeof(WCHAR));
swprintf(long_key, len + 1, L"%s\\%s", root_rels[i].long_name, path);
return long_key;
}
BOOL parse_registry_key(const WCHAR *key, HKEY *root, WCHAR **path)
{
WCHAR *p;
if (!sane_path(key))
return FALSE;
*root = path_get_rootkey(key);
if (!*root)
{
output_message(STRING_INVALID_SYSTEM_KEY);
return FALSE;
}
*path = wcschr(key, '\\');
if (!*path)
return TRUE;
(*path)++;
if (!**path)
{
output_message(STRING_INVALID_SYSTEM_KEY);
return FALSE;
}
p = *path + lstrlenW(*path) - 1;
if (*p == '\\') *p = 0;
return TRUE;
}
BOOL is_char(const WCHAR s, const WCHAR c)
{
return (s == c || s == towupper(c));
}
BOOL is_switch(const WCHAR *s, const WCHAR c)
{
if (lstrlenW(s) > 2)
return FALSE;
return ((s[0] == '/' || s[0] == '-') && is_char(s[1], c));
}
static BOOL is_help_switch(const WCHAR *s)
{
return (is_switch(s, '?') || is_switch(s, 'h'));
}
enum operations {
REG_ADD,
REG_COPY,
REG_DELETE,
REG_EXPORT,
REG_IMPORT,
REG_QUERY,
REG_INVALID
};
static enum operations get_operation(const WCHAR *str, int *op_help)
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{
struct op_info { const WCHAR *op; int id; int help_id; };
static const struct op_info op_array[] =
{
{ L"add", REG_ADD, STRING_ADD_USAGE },
{ L"copy", REG_COPY, STRING_COPY_USAGE },
{ L"delete", REG_DELETE, STRING_DELETE_USAGE },
{ L"export", REG_EXPORT, STRING_EXPORT_USAGE },
{ L"import", REG_IMPORT, STRING_IMPORT_USAGE },
{ L"query", REG_QUERY, STRING_QUERY_USAGE },
{ NULL, -1, 0 }
};
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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 __cdecl wmain(int argc, WCHAR *argvW[])
{
int op, op_help;
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if (argc == 1)
{
output_message(STRING_INVALID_SYNTAX);
output_message(STRING_REG_HELP);
return 1;
}
if (is_help_switch(argvW[1]))
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{
output_message(STRING_USAGE);
return 0;
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}
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;
}
else if (argc == 2) /* Valid operation, no arguments supplied */
goto invalid;
if (is_help_switch(argvW[2]))
{
if (argc > 3) goto invalid;
output_message(op_help);
output_message(STRING_REG_VIEW_USAGE);
return 0;
}
if (op == REG_ADD)
return reg_add(argc, argvW);
if (op == REG_COPY)
return reg_copy(argc, argvW);
if (op == REG_DELETE)
return reg_delete(argc, argvW);
if (op == REG_EXPORT)
return reg_export(argc, argvW);
if (op == REG_IMPORT)
return reg_import(argc, argvW);
return reg_query(argc, argvW);
invalid:
output_message(STRING_INVALID_SYNTAX);
output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
return 1;
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}