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reg: Split 'query' functions from reg.c. 

Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hugh McMaster 2021-03-17 23:38:04 +11:00 committed by Alexandre Julliard
parent e402c8bfcb
commit b80de87216
4 changed files with 347 additions and 316 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
programs/reg/Makefile.in
View File

@ -7,6 +7,7 @@ EXTRADLLFLAGS = -mconsole -municode -mno-cygwin
C_SRCS = \
export.c \
import.c \
query.c \
reg.c
RC_SRCS = reg.rc

329
programs/reg/query.c Normal file
View File

@ -0,0 +1,329 @@
/*
* Copyright 2016-2017, 2021 Hugh McMaster
*
* 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 <stdio.h>
#include <windows.h>
#include <wine/heap.h>
#include "reg.h"
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 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);
lstrcpyW(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 += swprintf(ptr, 3, 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));
swprintf(buffer, zero_x_dword + 1, 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 newlineW[] = {'\n',0};
static void output_value(const WCHAR *value_name, DWORD type, BYTE *data, DWORD data_size)
{
static const WCHAR fmt[] = {' ',' ',' ',' ','%','1',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 unsigned int num_values_found = 0;
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 *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 = lstrlenW(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;
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 = lstrlenW(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;
}
int reg_query(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
BOOL value_empty, BOOL recurse)
{
HKEY key;
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;
}

315
programs/reg/reg.c
View File

@ -61,12 +61,7 @@ static const WCHAR type_dword_le[] = {'R','E','G','_','D','W','O','R','D','_','L
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[] =
const struct reg_type_rels type_rels[] =
{
{REG_NONE, type_none},
{REG_SZ, type_sz},
@ -78,8 +73,6 @@ type_rels[] =
{REG_MULTI_SZ, type_multi_sz},
};
static const WCHAR newlineW[] = {'\n',0};
void *heap_xalloc(size_t size)
{
void *buf = heap_alloc(size);
@ -158,7 +151,7 @@ void WINAPIV output_message(unsigned int id, ...)
__ms_va_end(va_args);
}
static void WINAPIV output_string(const WCHAR *fmt, ...)
void WINAPIV output_string(const WCHAR *fmt, ...)
{
__ms_va_list va_args;
@ -517,117 +510,6 @@ static int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name
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);
lstrcpyW(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 += swprintf(ptr, 3, 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));
swprintf(buffer, zero_x_dword + 1, 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};
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);
}
WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD subkey_len)
{
WCHAR *subkey_path;
@ -639,199 +521,6 @@ WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD
return subkey_path;
}
static unsigned int num_values_found = 0;
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 *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 = lstrlenW(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;
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 = lstrlenW(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;
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;

18
programs/reg/reg.h
View File

@ -24,19 +24,31 @@
#define MAX_SUBKEY_LEN 257
/* reg.c */
struct reg_type_rels {
DWORD type;
const WCHAR *name;
};
extern const struct reg_type_rels type_rels[8];
void *heap_xalloc(size_t size);
void *heap_xrealloc(void *buf, size_t size);
void output_writeconsole(const WCHAR *str, DWORD wlen);
void WINAPIV output_message(unsigned int id, ...);
void WINAPIV output_string(const WCHAR *fmt, ...);
BOOL ask_confirm(unsigned int msgid, WCHAR *reg_info);
HKEY path_get_rootkey(const WCHAR *path);
WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD subkey_len);
BOOL parse_registry_key(const WCHAR *key, HKEY *root, WCHAR **path, WCHAR **long_key);
/* import.c */
int reg_import(const WCHAR *filename);
/* export.c */
int reg_export(int argc, WCHAR *argv[]);
/* import.c */
int reg_import(const WCHAR *filename);
/* query.c */
int reg_query(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
BOOL value_empty, BOOL recurse);
#endif /* __REG_H__ */