Module: wine Branch: master Commit: efe3bc87e77d9723bd4a8ce1d6afc6982ed965a0 URL: http://source.winehq.org/git/wine.git/?a=commit;h=efe3bc87e77d9723bd4a8ce1d6...
Author: Hugh McMaster hugh.mcmaster@outlook.com Date: Wed Jul 19 05:28:21 2017 +0000
regedit: Re-implement some parts of the export operation.
Signed-off-by: Hugh McMaster hugh.mcmaster@outlook.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
programs/regedit/regproc.c | 274 +++++++++++++++++++++++---------------------- 1 file changed, 143 insertions(+), 131 deletions(-)
diff --git a/programs/regedit/regproc.c b/programs/regedit/regproc.c index 4c52a19..5a0d222 100644 --- a/programs/regedit/regproc.c +++ b/programs/regedit/regproc.c @@ -1403,137 +1403,6 @@ static void export_hkey(FILE *file, HKEY key, }
/****************************************************************************** - * Open file in binary mode for export. - */ -static FILE *REGPROC_open_export_file(WCHAR *file_name, BOOL unicode) -{ - FILE *file; - WCHAR dash = '-'; - - if (strncmpW(file_name,&dash,1)==0) { - file=stdout; - _setmode(_fileno(file), _O_BINARY); - } else - { - WCHAR wb_mode[] = {'w','b',0}; - WCHAR regedit[] = {'r','e','g','e','d','i','t',0}; - - file = _wfopen(file_name, wb_mode); - if (!file) { - _wperror(regedit); - error_exit(STRING_CANNOT_OPEN_FILE, file_name); - } - } - if(unicode) - { - const BYTE unicode_seq[] = {0xff,0xfe}; - const WCHAR header[] = {'W','i','n','d','o','w','s',' ','R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ','V','e','r','s','i','o','n',' ','5','.','0','0','\r','\n'}; - fwrite(unicode_seq, sizeof(BYTE), sizeof(unicode_seq)/sizeof(unicode_seq[0]), file); - fwrite(header, sizeof(WCHAR), sizeof(header)/sizeof(header[0]), file); - } else - { - fputs("REGEDIT4\r\n", file); - } - - return file; -} - -/****************************************************************************** - * Writes contents of the registry key to the specified file stream. - * - * Parameters: - * file_name - name of a file to export registry branch to. - * reg_key_name - registry branch to export. The whole registry is exported if - * reg_key_name is NULL or contains an empty string. - */ -BOOL export_registry_key(WCHAR *file_name, WCHAR *reg_key_name, DWORD format) -{ - WCHAR *reg_key_name_buf; - WCHAR *val_name_buf; - BYTE *val_buf; - WCHAR *line_buf; - DWORD reg_key_name_size = KEY_MAX_LEN; - DWORD val_name_size = KEY_MAX_LEN; - DWORD val_size = REG_VAL_BUF_SIZE; - DWORD line_buf_size = KEY_MAX_LEN + REG_VAL_BUF_SIZE; - FILE *file = NULL; - BOOL unicode = (format == REG_FORMAT_5); - - reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0, - reg_key_name_size * sizeof(*reg_key_name_buf)); - val_name_buf = HeapAlloc(GetProcessHeap(), 0, - val_name_size * sizeof(*val_name_buf)); - val_buf = HeapAlloc(GetProcessHeap(), 0, val_size); - line_buf = HeapAlloc(GetProcessHeap(), 0, line_buf_size * sizeof(*line_buf)); - CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf && line_buf); - - if (reg_key_name && reg_key_name[0]) { - HKEY reg_key_class; - WCHAR *branch_name = NULL; - HKEY key; - - REGPROC_resize_char_buffer(®_key_name_buf, ®_key_name_size, - lstrlenW(reg_key_name)); - lstrcpyW(reg_key_name_buf, reg_key_name); - - /* open the specified key */ - if (!(reg_key_class = parse_key_name(reg_key_name, &branch_name))) - { - if (branch_name) *(branch_name - 1) = 0; - error_exit(STRING_INVALID_SYSTEM_KEY, reg_key_name); - } - - if (!branch_name || !*branch_name) { - /* no branch - registry class is specified */ - file = REGPROC_open_export_file(file_name, unicode); - export_hkey(file, reg_key_class, - ®_key_name_buf, ®_key_name_size, - &val_name_buf, &val_name_size, - &val_buf, &val_size, &line_buf, - &line_buf_size, unicode); - } else if (RegOpenKeyW(reg_key_class, branch_name, &key) == ERROR_SUCCESS) { - file = REGPROC_open_export_file(file_name, unicode); - export_hkey(file, key, - ®_key_name_buf, ®_key_name_size, - &val_name_buf, &val_name_size, - &val_buf, &val_size, &line_buf, - &line_buf_size, unicode); - RegCloseKey(key); - } else { - output_message(STRING_REG_KEY_NOT_FOUND, reg_key_name); - } - } else { - unsigned int i; - - /* export all registry classes */ - file = REGPROC_open_export_file(file_name, unicode); - for (i = 0; i < ARRAY_SIZE(reg_class_keys); i++) { - /* do not export HKEY_CLASSES_ROOT */ - if (reg_class_keys[i] != HKEY_CLASSES_ROOT && - reg_class_keys[i] != HKEY_CURRENT_USER && - reg_class_keys[i] != HKEY_CURRENT_CONFIG && - reg_class_keys[i] != HKEY_DYN_DATA) { - lstrcpyW(reg_key_name_buf, reg_class_namesW[i]); - export_hkey(file, reg_class_keys[i], - ®_key_name_buf, ®_key_name_size, - &val_name_buf, &val_name_size, - &val_buf, &val_size, &line_buf, - &line_buf_size, unicode); - } - } - } - - if (file) { - fclose(file); - } - HeapFree(GetProcessHeap(), 0, reg_key_name); - HeapFree(GetProcessHeap(), 0, val_name_buf); - HeapFree(GetProcessHeap(), 0, val_buf); - HeapFree(GetProcessHeap(), 0, line_buf); - return TRUE; -} - -/****************************************************************************** * Reads contents of the specified file into the registry. */ BOOL import_registry_file(FILE *reg_file) @@ -1603,3 +1472,146 @@ void delete_registry_key(WCHAR *reg_key_name)
RegDeleteTreeW(key_class, key_name); } + +static int export_registry_data(FILE *fp, HKEY key, WCHAR *path, BOOL unicode) +{ + WCHAR *reg_key_name_buf, *val_name_buf, *line_buf; + BYTE *val_buf; + DWORD reg_key_name_size = KEY_MAX_LEN; + DWORD val_name_size = KEY_MAX_LEN; + DWORD val_size = REG_VAL_BUF_SIZE; + DWORD line_buf_size = KEY_MAX_LEN + REG_VAL_BUF_SIZE; + + reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0, reg_key_name_size * sizeof(WCHAR)); + val_name_buf = HeapAlloc(GetProcessHeap(), 0, val_name_size * sizeof(WCHAR)); + val_buf = HeapAlloc(GetProcessHeap(), 0, val_size); + line_buf = HeapAlloc(GetProcessHeap(), 0, line_buf_size * sizeof(WCHAR)); + CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf && line_buf); + + lstrcpyW(reg_key_name_buf, path); + + export_hkey(fp, key, ®_key_name_buf, ®_key_name_size, &val_name_buf, &val_name_size, + &val_buf, &val_size, &line_buf, &line_buf_size, unicode); + + HeapFree(GetProcessHeap(), 0, reg_key_name_buf); + HeapFree(GetProcessHeap(), 0, val_name_buf); + HeapFree(GetProcessHeap(), 0, val_buf); + HeapFree(GetProcessHeap(), 0, line_buf); + + return 0; +} + +static FILE *REGPROC_open_export_file(WCHAR *file_name, BOOL unicode) +{ + FILE *file; + static const WCHAR hyphen[] = {'-',0}; + + if (!strcmpW(file_name, hyphen)) + { + file = stdout; + _setmode(_fileno(file), _O_BINARY); + } + else + { + static const WCHAR wb_mode[] = {'w','b',0}; + + file = _wfopen(file_name, wb_mode); + if (!file) + { + static const WCHAR regedit[] = {'r','e','g','e','d','i','t',0}; + _wperror(regedit); + error_exit(STRING_CANNOT_OPEN_FILE, file_name); + } + } + + if (unicode) + { + static const BYTE bom[] = {0xff,0xfe}; + static const WCHAR header[] = {'W','i','n','d','o','w','s',' ', + 'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ', + 'V','e','r','s','i','o','n',' ','5','.','0','0','\r','\n'}; + + fwrite(bom, sizeof(BYTE), ARRAY_SIZE(bom), file); + fwrite(header, sizeof(WCHAR), ARRAY_SIZE(header), file); + } + else + fputs("REGEDIT4\r\n", file); + + return file; +} + +static HKEY open_export_key(HKEY key_class, WCHAR *subkey, WCHAR *path) +{ + HKEY key; + + if (!RegOpenKeyExW(key_class, subkey, 0, KEY_READ, &key)) + return key; + + output_message(STRING_OPEN_KEY_FAILED, path); + return NULL; +} + +static BOOL export_key(WCHAR *file_name, WCHAR *path, BOOL unicode) +{ + HKEY key_class, key; + WCHAR *subkey; + FILE *fp; + BOOL ret; + + if (!(key_class = parse_key_name(path, &subkey))) + { + if (subkey) *(subkey - 1) = 0; + output_message(STRING_INVALID_SYSTEM_KEY, path); + return FALSE; + } + + if (!(key = open_export_key(key_class, subkey, path))) + return FALSE; + + fp = REGPROC_open_export_file(file_name, unicode); + ret = export_registry_data(fp, key, path, unicode); + fclose(fp); + + RegCloseKey(key); + return ret; +} + +static BOOL export_all(WCHAR *file_name, WCHAR *path, BOOL unicode) +{ + FILE *fp; + int i; + HKEY classes[] = {HKEY_LOCAL_MACHINE, HKEY_USERS}, key; + WCHAR *class_name; + + fp = REGPROC_open_export_file(file_name, unicode); + + for (i = 0; i < ARRAY_SIZE(classes); i++) + { + if (!(key = open_export_key(classes[i], NULL, path))) + { + fclose(fp); + return FALSE; + } + + class_name = resize_buffer(NULL, (lstrlenW(reg_class_namesW[i]) + 1) * sizeof(WCHAR)); + lstrcpyW(class_name, reg_class_namesW[i]); + + export_registry_data(fp, classes[i], class_name, unicode); + + HeapFree(GetProcessHeap(), 0, class_name); + RegCloseKey(key); + } + + fclose(fp); + return TRUE; +} + +BOOL export_registry_key(WCHAR *file_name, WCHAR *path, DWORD format) +{ + BOOL unicode = (format == REG_FORMAT_5); + + if (path && *path) + return export_key(file_name, path, unicode); + else + return export_all(file_name, path, unicode); +}