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Sweden-Number/programs/reg/reg.c

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/*
* 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 <stdlib.h>
#include "reg.h"
#include <wine/debug.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};
const struct reg_type_rels 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 = heap_alloc(size);
if (!buf)
{
ERR("Out of memory!\n");
exit(1);
}
return buf;
}
void *heap_xrealloc(void *buf, size_t size)
{
void *new_buf = heap_realloc(buf, size);
if (!new_buf)
{
ERR("Out of memory!\n");
exit(1);
}
return new_buf;
}
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;
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);
}
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);
}
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 */
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)
{
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 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;
static const WCHAR fmt[] = {'%','s','\\','%','s',0};
subkey_path = heap_xalloc((path_len + subkey_len + 2) * sizeof(WCHAR));
swprintf(subkey_path, path_len + subkey_len + 2, fmt, path, subkey_name);
return subkey_path;
}
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 = lstrlenW(root_rels[i].long_name);
if (!path)
{
long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
lstrcpyW(long_key, root_rels[i].long_name);
return long_key;
}
len += lstrlenW(path) + 1; /* add one for the backslash */
long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
swprintf(long_key, len + 1, fmt, root_rels[i].long_name, path);
return long_key;
}
BOOL parse_registry_key(const WCHAR *key, HKEY *root, WCHAR **path, WCHAR **long_key)
{
if (!sane_path(key))
return FALSE;
*path = wcschr(key, '\\');
if (*path) (*path)++;
*root = path_get_rootkey(key);
if (!*root)
{
if (*path) *(*path - 1) = 0;
output_message(STRING_INVALID_SYSTEM_KEY, key);
return FALSE;
}
*long_key = get_long_key(*root, *path);
return TRUE;
}
BOOL is_switch(const WCHAR *s, const WCHAR c)
{
if (lstrlenW(s) > 2)
return FALSE;
if ((s[0] == '/' || s[0] == '-') && (s[1] == c || s[1] == towupper(c)))
return TRUE;
return FALSE;
}
static BOOL is_help_switch(const WCHAR *s)
{
return (is_switch(s, '?') || is_switch(s, 'h'));
}
enum operations {
REG_ADD,
REG_DELETE,
REG_EXPORT,
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 export[] = {'e','x','p','o','r','t',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 },
{ export, REG_EXPORT, STRING_EXPORT_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 __cdecl wmain(int argc, WCHAR *argvW[])
{
int i, op, op_help, ret;
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;
}
else if (argc == 2) /* Valid operation, no arguments supplied */
{
output_message(STRING_INVALID_SYNTAX);
output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
return 1;
}
if (is_help_switch(argvW[2]))
{
output_message(op_help);
return 0;
}
if (op == REG_EXPORT)
return reg_export(argc, argvW);
if (op == REG_IMPORT)
return reg_import(argc, argvW);
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(towlower(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 || lstrlenW(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;
}
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