2 * Registry processing routines. Routines, common for registry
3 * processing frontends.
5 * Copyright 1999 Sylvain St-Germain
6 * Copyright 2002 Andriy Palamarchuk
7 * Copyright 2008 Alexander N. Sørnes <alex@thehandofagony.com>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include <wine/unicode.h>
31 #include <wine/debug.h>
32 #include <wine/heap.h>
35 WINE_DEFAULT_DEBUG_CHANNEL(regedit
);
37 #define REG_VAL_BUF_SIZE 4096
39 static HKEY reg_class_keys
[] = {
40 HKEY_LOCAL_MACHINE
, HKEY_USERS
, HKEY_CLASSES_ROOT
,
41 HKEY_CURRENT_CONFIG
, HKEY_CURRENT_USER
, HKEY_DYN_DATA
44 void *heap_xalloc(size_t size
)
46 void *buf
= heap_alloc(size
);
49 ERR("Out of memory!\n");
55 void *heap_xrealloc(void *buf
, size_t size
)
57 void *new_buf
= heap_realloc(buf
, size
);
61 ERR("Out of memory!\n");
68 /******************************************************************************
69 * Allocates memory and converts input from multibyte to wide chars
70 * Returned string must be freed by the caller
72 static WCHAR
* GetWideString(const char* strA
)
77 int len
= MultiByteToWideChar(CP_ACP
, 0, strA
, -1, NULL
, 0);
79 strW
= heap_xalloc(len
* sizeof(WCHAR
));
80 MultiByteToWideChar(CP_ACP
, 0, strA
, -1, strW
, len
);
86 /******************************************************************************
87 * Allocates memory and converts input from multibyte to wide chars
88 * Returned string must be freed by the caller
90 static WCHAR
* GetWideStringN(const char* strA
, int chars
, DWORD
*len
)
95 *len
= MultiByteToWideChar(CP_ACP
, 0, strA
, chars
, NULL
, 0);
97 strW
= heap_xalloc(*len
* sizeof(WCHAR
));
98 MultiByteToWideChar(CP_ACP
, 0, strA
, chars
, strW
, *len
);
105 /******************************************************************************
106 * Allocates memory and converts input from wide chars to multibyte
107 * Returned string must be freed by the caller
109 char* GetMultiByteString(const WCHAR
* strW
)
114 int len
= WideCharToMultiByte(CP_ACP
, 0, strW
, -1, NULL
, 0, NULL
, NULL
);
116 strA
= heap_xalloc(len
);
117 WideCharToMultiByte(CP_ACP
, 0, strW
, -1, strA
, len
, NULL
, NULL
);
123 /******************************************************************************
124 * Allocates memory and converts input from wide chars to multibyte
125 * Returned string must be freed by the caller
127 static char* GetMultiByteStringN(const WCHAR
* strW
, int chars
, DWORD
* len
)
132 *len
= WideCharToMultiByte(CP_ACP
, 0, strW
, chars
, NULL
, 0, NULL
, NULL
);
134 strA
= heap_xalloc(*len
);
135 WideCharToMultiByte(CP_ACP
, 0, strW
, chars
, strA
, *len
, NULL
, NULL
);
142 static WCHAR
*(*get_line
)(FILE *);
144 /* parser definitions */
147 HEADER
, /* parsing the registry file version header */
148 PARSE_WIN31_LINE
, /* parsing a Windows 3.1 registry line */
149 LINE_START
, /* at the beginning of a registry line */
150 KEY_NAME
, /* parsing a key name */
151 DELETE_KEY
, /* deleting a registry key */
152 DEFAULT_VALUE_NAME
, /* parsing a default value name */
153 QUOTED_VALUE_NAME
, /* parsing a double-quoted value name */
154 DATA_START
, /* preparing for data parsing operations */
155 DELETE_VALUE
, /* deleting a registry value */
156 DATA_TYPE
, /* parsing the registry data type */
157 STRING_DATA
, /* parsing REG_SZ data */
158 DWORD_DATA
, /* parsing DWORD data */
159 HEX_DATA
, /* parsing REG_BINARY, REG_NONE, REG_EXPAND_SZ or REG_MULTI_SZ data */
160 EOL_BACKSLASH
, /* preparing to parse multiple lines of hex data */
161 HEX_MULTILINE
, /* parsing multiple lines of hex data */
162 UNKNOWN_DATA
, /* parsing an unhandled or invalid data type */
163 SET_VALUE
, /* adding a value to the registry */
169 FILE *file
; /* pointer to a registry file */
170 WCHAR two_wchars
[2]; /* first two characters from the encoding check */
171 BOOL is_unicode
; /* parsing Unicode or ASCII data */
172 short int reg_version
; /* registry file version */
173 HKEY hkey
; /* current registry key */
174 WCHAR
*key_name
; /* current key name */
175 WCHAR
*value_name
; /* value name */
176 DWORD parse_type
; /* generic data type for parsing */
177 DWORD data_type
; /* data type */
178 void *data
; /* value data */
179 DWORD data_size
; /* size of the data (in bytes) */
180 BOOL backslash
; /* TRUE if the current line contains a backslash */
181 enum parser_state state
; /* current parser state */
184 typedef WCHAR
*(*parser_state_func
)(struct parser
*parser
, WCHAR
*pos
);
186 /* parser state machine functions */
187 static WCHAR
*header_state(struct parser
*parser
, WCHAR
*pos
);
188 static WCHAR
*parse_win31_line_state(struct parser
*parser
, WCHAR
*pos
);
189 static WCHAR
*line_start_state(struct parser
*parser
, WCHAR
*pos
);
190 static WCHAR
*key_name_state(struct parser
*parser
, WCHAR
*pos
);
191 static WCHAR
*delete_key_state(struct parser
*parser
, WCHAR
*pos
);
192 static WCHAR
*default_value_name_state(struct parser
*parser
, WCHAR
*pos
);
193 static WCHAR
*quoted_value_name_state(struct parser
*parser
, WCHAR
*pos
);
194 static WCHAR
*data_start_state(struct parser
*parser
, WCHAR
*pos
);
195 static WCHAR
*delete_value_state(struct parser
*parser
, WCHAR
*pos
);
196 static WCHAR
*data_type_state(struct parser
*parser
, WCHAR
*pos
);
197 static WCHAR
*string_data_state(struct parser
*parser
, WCHAR
*pos
);
198 static WCHAR
*dword_data_state(struct parser
*parser
, WCHAR
*pos
);
199 static WCHAR
*hex_data_state(struct parser
*parser
, WCHAR
*pos
);
200 static WCHAR
*eol_backslash_state(struct parser
*parser
, WCHAR
*pos
);
201 static WCHAR
*hex_multiline_state(struct parser
*parser
, WCHAR
*pos
);
202 static WCHAR
*unknown_data_state(struct parser
*parser
, WCHAR
*pos
);
203 static WCHAR
*set_value_state(struct parser
*parser
, WCHAR
*pos
);
205 static const parser_state_func parser_funcs
[NB_PARSER_STATES
] =
207 header_state
, /* HEADER */
208 parse_win31_line_state
, /* PARSE_WIN31_LINE */
209 line_start_state
, /* LINE_START */
210 key_name_state
, /* KEY_NAME */
211 delete_key_state
, /* DELETE_KEY */
212 default_value_name_state
, /* DEFAULT_VALUE_NAME */
213 quoted_value_name_state
, /* QUOTED_VALUE_NAME */
214 data_start_state
, /* DATA_START */
215 delete_value_state
, /* DELETE_VALUE */
216 data_type_state
, /* DATA_TYPE */
217 string_data_state
, /* STRING_DATA */
218 dword_data_state
, /* DWORD_DATA */
219 hex_data_state
, /* HEX_DATA */
220 eol_backslash_state
, /* EOL_BACKSLASH */
221 hex_multiline_state
, /* HEX_MULTILINE */
222 unknown_data_state
, /* UNKNOWN_DATA */
223 set_value_state
, /* SET_VALUE */
226 /* set the new parser state and return the previous one */
227 static inline enum parser_state
set_state(struct parser
*parser
, enum parser_state state
)
229 enum parser_state ret
= parser
->state
;
230 parser
->state
= state
;
234 /******************************************************************************
235 * Converts a hex representation of a DWORD into a DWORD.
237 static BOOL
convert_hex_to_dword(WCHAR
*str
, DWORD
*dw
)
242 while (*str
== ' ' || *str
== '\t') str
++;
243 if (!*str
) goto error
;
246 while (isxdigitW(*p
))
251 if (count
> 8) goto error
;
254 while (*p
== ' ' || *p
== '\t') p
++;
255 if (*p
&& *p
!= ';') goto error
;
258 *dw
= strtoulW(str
, &end
, 16);
265 /******************************************************************************
266 * Converts comma-separated hex data into a binary string and modifies
267 * the input parameter to skip the concatenating backslash, if found.
269 * Returns TRUE or FALSE to indicate whether parsing was successful.
271 static BOOL
convert_hex_csv_to_hex(struct parser
*parser
, WCHAR
**str
)
277 parser
->backslash
= FALSE
;
279 /* The worst case is 1 digit + 1 comma per byte */
280 size
= ((lstrlenW(*str
) + 1) / 2) + parser
->data_size
;
281 parser
->data
= heap_xrealloc(parser
->data
, size
);
284 d
= (BYTE
*)parser
->data
+ parser
->data_size
;
291 wc
= strtoulW(s
, &end
, 16);
292 if (wc
> 0xff) return FALSE
;
294 if (s
== end
&& wc
== 0)
296 while (*end
== ' ' || *end
== '\t') end
++;
299 parser
->backslash
= TRUE
;
303 else if (*end
== ';')
311 if (*end
&& *end
!= ',')
313 while (*end
== ' ' || *end
== '\t') end
++;
314 if (*end
&& *end
!= ';') return FALSE
;
325 /******************************************************************************
326 * Parses the data type of the registry value being imported and modifies
327 * the input parameter to skip the string representation of the data type.
329 * Returns TRUE or FALSE to indicate whether a data type was found.
331 static BOOL
parse_data_type(struct parser
*parser
, WCHAR
**line
)
333 struct data_type
{ const WCHAR
*tag
; int len
; int type
; int parse_type
; };
335 static const WCHAR quote
[] = {'"'};
336 static const WCHAR hex
[] = {'h','e','x',':'};
337 static const WCHAR dword
[] = {'d','w','o','r','d',':'};
338 static const WCHAR hexp
[] = {'h','e','x','('};
340 static const struct data_type data_types
[] = {
341 /* tag len type parse type */
342 { quote
, 1, REG_SZ
, REG_SZ
},
343 { hex
, 4, REG_BINARY
, REG_BINARY
},
344 { dword
, 6, REG_DWORD
, REG_DWORD
},
345 { hexp
, 4, -1, REG_BINARY
}, /* REG_NONE, REG_EXPAND_SZ, REG_MULTI_SZ */
349 const struct data_type
*ptr
;
351 for (ptr
= data_types
; ptr
->tag
; ptr
++)
353 if (strncmpW(ptr
->tag
, *line
, ptr
->len
))
356 parser
->parse_type
= ptr
->parse_type
;
357 parser
->data_type
= ptr
->parse_type
;
365 if (!**line
|| tolowerW((*line
)[1]) == 'x')
368 /* "hex(xx):" is special */
369 val
= wcstoul(*line
, &end
, 16);
370 if (*end
!= ')' || *(end
+ 1) != ':' || (val
== ~0u && errno
== ERANGE
))
373 parser
->data_type
= val
;
381 /******************************************************************************
382 * Replaces escape sequences with their character equivalents and
383 * null-terminates the string on the first non-escaped double quote.
385 * Assigns a pointer to the remaining unparsed data in the line.
386 * Returns TRUE or FALSE to indicate whether a closing double quote was found.
388 static BOOL
REGPROC_unescape_string(WCHAR
*str
, WCHAR
**unparsed
)
390 int str_idx
= 0; /* current character under analysis */
391 int val_idx
= 0; /* the last character of the unescaped string */
392 int len
= lstrlenW(str
);
395 for (str_idx
= 0; str_idx
< len
; str_idx
++, val_idx
++) {
396 if (str
[str_idx
] == '\\') {
398 switch (str
[str_idx
]) {
410 str
[val_idx
] = str
[str_idx
];
413 if (!str
[str_idx
]) return FALSE
;
414 output_message(STRING_ESCAPE_SEQUENCE
, str
[str_idx
]);
415 str
[val_idx
] = str
[str_idx
];
418 } else if (str
[str_idx
] == '"') {
421 str
[val_idx
] = str
[str_idx
];
425 ret
= (str
[str_idx
] == '"');
426 *unparsed
= str
+ str_idx
+ 1;
431 static HKEY
parse_key_name(WCHAR
*key_name
, WCHAR
**key_path
)
435 if (!key_name
) return 0;
437 *key_path
= strchrW(key_name
, '\\');
438 if (*key_path
) (*key_path
)++;
440 for (i
= 0; i
< ARRAY_SIZE(reg_class_keys
); i
++)
442 int len
= lstrlenW(reg_class_namesW
[i
]);
443 if (!strncmpiW(key_name
, reg_class_namesW
[i
], len
) &&
444 (key_name
[len
] == 0 || key_name
[len
] == '\\'))
446 return reg_class_keys
[i
];
453 static void close_key(struct parser
*parser
)
457 heap_free(parser
->key_name
);
458 parser
->key_name
= NULL
;
460 RegCloseKey(parser
->hkey
);
465 /******************************************************************************
466 * Opens the registry key given by the input path.
467 * This key must be closed by calling close_key().
469 static LONG
open_key(struct parser
*parser
, WCHAR
*path
)
477 /* Get the registry class */
478 if (!path
|| !(key_class
= parse_key_name(path
, &key_path
)))
479 return ERROR_INVALID_PARAMETER
;
481 res
= RegCreateKeyExW(key_class
, key_path
, 0, NULL
, REG_OPTION_NON_VOLATILE
,
482 KEY_ALL_ACCESS
, NULL
, &parser
->hkey
, NULL
);
484 if (res
== ERROR_SUCCESS
)
486 parser
->key_name
= heap_xalloc((lstrlenW(path
) + 1) * sizeof(WCHAR
));
487 lstrcpyW(parser
->key_name
, path
);
495 static void free_parser_data(struct parser
*parser
)
497 if (parser
->parse_type
== REG_DWORD
|| parser
->parse_type
== REG_BINARY
)
498 heap_free(parser
->data
);
501 parser
->data_size
= 0;
504 static void prepare_hex_string_data(struct parser
*parser
)
506 if (parser
->data_type
== REG_EXPAND_SZ
|| parser
->data_type
== REG_MULTI_SZ
||
507 parser
->data_type
== REG_SZ
)
509 if (parser
->is_unicode
)
511 WCHAR
*data
= parser
->data
;
512 DWORD len
= parser
->data_size
/ sizeof(WCHAR
);
514 if (data
[len
- 1] != 0)
517 parser
->data_size
+= sizeof(WCHAR
);
522 BYTE
*data
= parser
->data
;
524 if (data
[parser
->data_size
- 1] != 0)
526 data
[parser
->data_size
] = 0;
530 parser
->data
= GetWideStringN(parser
->data
, parser
->data_size
, &parser
->data_size
);
531 parser
->data_size
*= sizeof(WCHAR
);
545 static enum reg_versions
parse_file_header(const WCHAR
*s
)
547 static const WCHAR header_31
[] = {'R','E','G','E','D','I','T',0};
548 static const WCHAR header_40
[] = {'R','E','G','E','D','I','T','4',0};
549 static const WCHAR header_50
[] = {'W','i','n','d','o','w','s',' ',
550 'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ',
551 'V','e','r','s','i','o','n',' ','5','.','0','0',0};
553 while (*s
== ' ' || *s
== '\t') s
++;
555 if (!strcmpW(s
, header_31
))
556 return REG_VERSION_31
;
558 if (!strcmpW(s
, header_40
))
559 return REG_VERSION_40
;
561 if (!strcmpW(s
, header_50
))
562 return REG_VERSION_50
;
564 /* The Windows version accepts registry file headers beginning with "REGEDIT" and ending
565 * with other characters, as long as "REGEDIT" appears at the start of the line. For example,
566 * "REGEDIT 4", "REGEDIT9" and "REGEDIT4FOO" are all treated as valid file headers.
567 * In all such cases, however, the contents of the registry file are not imported.
569 if (!strncmpW(s
, header_31
, 7)) /* "REGEDIT" without NUL */
570 return REG_VERSION_FUZZY
;
572 return REG_VERSION_INVALID
;
575 /* handler for parser HEADER state */
576 static WCHAR
*header_state(struct parser
*parser
, WCHAR
*pos
)
578 WCHAR
*line
, *header
;
580 if (!(line
= get_line(parser
->file
)))
583 if (!parser
->is_unicode
)
585 header
= heap_xalloc((lstrlenW(line
) + 3) * sizeof(WCHAR
));
586 header
[0] = parser
->two_wchars
[0];
587 header
[1] = parser
->two_wchars
[1];
588 lstrcpyW(header
+ 2, line
);
589 parser
->reg_version
= parse_file_header(header
);
592 else parser
->reg_version
= parse_file_header(line
);
594 switch (parser
->reg_version
)
597 set_state(parser
, PARSE_WIN31_LINE
);
601 set_state(parser
, LINE_START
);
604 get_line(NULL
); /* Reset static variables */
611 /* handler for parser PARSE_WIN31_LINE state */
612 static WCHAR
*parse_win31_line_state(struct parser
*parser
, WCHAR
*pos
)
615 static WCHAR hkcr
[] = {'H','K','E','Y','_','C','L','A','S','S','E','S','_','R','O','O','T'};
616 unsigned int key_end
= 0;
618 if (!(line
= get_line(parser
->file
)))
621 if (strncmpW(line
, hkcr
, ARRAY_SIZE(hkcr
)))
625 while (line
[key_end
] && !isspaceW(line
[key_end
])) key_end
++;
627 value
= line
+ key_end
;
628 while (*value
== ' ' || *value
== '\t') value
++;
630 if (*value
== '=') value
++;
631 if (*value
== ' ') value
++; /* at most one space is skipped */
635 if (open_key(parser
, line
) != ERROR_SUCCESS
)
637 output_message(STRING_OPEN_KEY_FAILED
, line
);
641 parser
->value_name
= NULL
;
642 parser
->data_type
= REG_SZ
;
643 parser
->data
= value
;
644 parser
->data_size
= (lstrlenW(value
) + 1) * sizeof(WCHAR
);
646 set_state(parser
, SET_VALUE
);
650 /* handler for parser LINE_START state */
651 static WCHAR
*line_start_state(struct parser
*parser
, WCHAR
*pos
)
655 if (!(line
= get_line(parser
->file
)))
658 for (p
= line
; *p
; p
++)
663 set_state(parser
, KEY_NAME
);
666 set_state(parser
, DEFAULT_VALUE_NAME
);
669 set_state(parser
, QUOTED_VALUE_NAME
);
682 /* handler for parser KEY_NAME state */
683 static WCHAR
*key_name_state(struct parser
*parser
, WCHAR
*pos
)
685 WCHAR
*p
= pos
, *key_end
;
687 if (*p
== ' ' || *p
== '\t' || !(key_end
= strrchrW(p
, ']')))
694 set_state(parser
, DELETE_KEY
);
697 else if (open_key(parser
, p
) != ERROR_SUCCESS
)
698 output_message(STRING_OPEN_KEY_FAILED
, p
);
701 set_state(parser
, LINE_START
);
705 /* handler for parser DELETE_KEY state */
706 static WCHAR
*delete_key_state(struct parser
*parser
, WCHAR
*pos
)
712 if (*p
== 'H' || *p
== 'h')
713 delete_registry_key(p
);
715 set_state(parser
, LINE_START
);
719 /* handler for parser DEFAULT_VALUE_NAME state */
720 static WCHAR
*default_value_name_state(struct parser
*parser
, WCHAR
*pos
)
722 heap_free(parser
->value_name
);
723 parser
->value_name
= NULL
;
725 set_state(parser
, DATA_START
);
729 /* handler for parser QUOTED_VALUE_NAME state */
730 static WCHAR
*quoted_value_name_state(struct parser
*parser
, WCHAR
*pos
)
732 WCHAR
*val_name
= pos
, *p
;
734 if (parser
->value_name
)
736 heap_free(parser
->value_name
);
737 parser
->value_name
= NULL
;
740 if (!REGPROC_unescape_string(val_name
, &p
))
743 /* copy the value name in case we need to parse multiple lines and the buffer is overwritten */
744 parser
->value_name
= heap_xalloc((lstrlenW(val_name
) + 1) * sizeof(WCHAR
));
745 lstrcpyW(parser
->value_name
, val_name
);
747 set_state(parser
, DATA_START
);
751 set_state(parser
, LINE_START
);
755 /* handler for parser DATA_START state */
756 static WCHAR
*data_start_state(struct parser
*parser
, WCHAR
*pos
)
761 while (*p
== ' ' || *p
== '\t') p
++;
762 if (*p
!= '=') goto done
;
764 while (*p
== ' ' || *p
== '\t') p
++;
766 /* trim trailing whitespace */
768 while (len
> 0 && (p
[len
- 1] == ' ' || p
[len
- 1] == '\t')) len
--;
772 set_state(parser
, DELETE_VALUE
);
774 set_state(parser
, DATA_TYPE
);
778 set_state(parser
, LINE_START
);
782 /* handler for parser DELETE_VALUE state */
783 static WCHAR
*delete_value_state(struct parser
*parser
, WCHAR
*pos
)
787 while (*p
== ' ' || *p
== '\t') p
++;
788 if (*p
&& *p
!= ';') goto done
;
790 RegDeleteValueW(parser
->hkey
, parser
->value_name
);
793 set_state(parser
, LINE_START
);
797 /* handler for parser DATA_TYPE state */
798 static WCHAR
*data_type_state(struct parser
*parser
, WCHAR
*pos
)
802 if (!parse_data_type(parser
, &line
))
804 set_state(parser
, LINE_START
);
808 switch (parser
->parse_type
)
811 set_state(parser
, STRING_DATA
);
814 set_state(parser
, DWORD_DATA
);
816 case REG_BINARY
: /* all hex data types, including undefined */
817 set_state(parser
, HEX_DATA
);
820 set_state(parser
, UNKNOWN_DATA
);
826 /* handler for parser STRING_DATA state */
827 static WCHAR
*string_data_state(struct parser
*parser
, WCHAR
*pos
)
833 if (!REGPROC_unescape_string(parser
->data
, &line
))
836 while (*line
== ' ' || *line
== '\t') line
++;
837 if (*line
&& *line
!= ';') goto invalid
;
839 parser
->data_size
= (lstrlenW(parser
->data
) + 1) * sizeof(WCHAR
);
841 set_state(parser
, SET_VALUE
);
845 free_parser_data(parser
);
846 set_state(parser
, LINE_START
);
850 /* handler for parser DWORD_DATA state */
851 static WCHAR
*dword_data_state(struct parser
*parser
, WCHAR
*pos
)
855 parser
->data
= heap_xalloc(sizeof(DWORD
));
857 if (!convert_hex_to_dword(line
, parser
->data
))
860 parser
->data_size
= sizeof(DWORD
);
862 set_state(parser
, SET_VALUE
);
866 free_parser_data(parser
);
867 set_state(parser
, LINE_START
);
871 /* handler for parser HEX_DATA state */
872 static WCHAR
*hex_data_state(struct parser
*parser
, WCHAR
*pos
)
879 if (!convert_hex_csv_to_hex(parser
, &line
))
882 if (parser
->backslash
)
884 set_state(parser
, EOL_BACKSLASH
);
888 prepare_hex_string_data(parser
);
891 set_state(parser
, SET_VALUE
);
895 free_parser_data(parser
);
896 set_state(parser
, LINE_START
);
900 /* handler for parser EOL_BACKSLASH state */
901 static WCHAR
*eol_backslash_state(struct parser
*parser
, WCHAR
*pos
)
905 while (*p
== ' ' || *p
== '\t') p
++;
906 if (*p
&& *p
!= ';') goto invalid
;
908 set_state(parser
, HEX_MULTILINE
);
912 free_parser_data(parser
);
913 set_state(parser
, LINE_START
);
917 /* handler for parser HEX_MULTILINE state */
918 static WCHAR
*hex_multiline_state(struct parser
*parser
, WCHAR
*pos
)
922 if (!(line
= get_line(parser
->file
)))
924 prepare_hex_string_data(parser
);
925 set_state(parser
, SET_VALUE
);
929 while (*line
== ' ' || *line
== '\t') line
++;
930 if (!*line
|| *line
== ';') return line
;
932 if (!isxdigitW(*line
)) goto invalid
;
934 set_state(parser
, HEX_DATA
);
938 free_parser_data(parser
);
939 set_state(parser
, LINE_START
);
943 /* handler for parser UNKNOWN_DATA state */
944 static WCHAR
*unknown_data_state(struct parser
*parser
, WCHAR
*pos
)
946 output_message(STRING_UNKNOWN_DATA_FORMAT
, parser
->data_type
);
948 set_state(parser
, LINE_START
);
952 /* handler for parser SET_VALUE state */
953 static WCHAR
*set_value_state(struct parser
*parser
, WCHAR
*pos
)
955 RegSetValueExW(parser
->hkey
, parser
->value_name
, 0, parser
->data_type
,
956 parser
->data
, parser
->data_size
);
958 free_parser_data(parser
);
960 if (parser
->reg_version
== REG_VERSION_31
)
961 set_state(parser
, PARSE_WIN31_LINE
);
963 set_state(parser
, LINE_START
);
968 static WCHAR
*get_lineA(FILE *fp
)
972 static char *buf
, *next
;
977 if (!fp
) goto cleanup
;
981 size
= REG_VAL_BUF_SIZE
;
982 buf
= heap_xalloc(size
);
990 char *p
= strpbrk(line
, "\r\n");
995 memmove(buf
, next
, len
+ 1);
999 buf
= heap_xrealloc(buf
, size
);
1001 if (!(count
= fread(buf
+ len
, 1, size
- len
- 1, fp
)))
1004 lineW
= GetWideString(buf
);
1007 buf
[len
+ count
] = 0;
1013 if (*p
== '\r' && *(p
+ 1) == '\n') next
++;
1015 lineW
= GetWideString(line
);
1021 if (size
) heap_free(buf
);
1026 static WCHAR
*get_lineW(FILE *fp
)
1029 static WCHAR
*buf
, *next
;
1032 if (!fp
) goto cleanup
;
1036 size
= REG_VAL_BUF_SIZE
;
1037 buf
= heap_xalloc(size
* sizeof(WCHAR
));
1045 static const WCHAR line_endings
[] = {'\r','\n',0};
1046 WCHAR
*p
= strpbrkW(line
, line_endings
);
1050 len
= strlenW(next
);
1051 memmove(buf
, next
, (len
+ 1) * sizeof(WCHAR
));
1055 buf
= heap_xrealloc(buf
, size
* sizeof(WCHAR
));
1057 if (!(count
= fread(buf
+ len
, sizeof(WCHAR
), size
- len
- 1, fp
)))
1062 buf
[len
+ count
] = 0;
1068 if (*p
== '\r' && *(p
+ 1) == '\n') next
++;
1074 if (size
) heap_free(buf
);
1079 /******************************************************************************
1080 * Reads contents of the specified file into the registry.
1082 BOOL
import_registry_file(FILE *reg_file
)
1085 struct parser parser
;
1088 if (!reg_file
|| (fread(s
, 2, 1, reg_file
) != 1))
1091 parser
.is_unicode
= (s
[0] == 0xff && s
[1] == 0xfe);
1092 get_line
= parser
.is_unicode
? get_lineW
: get_lineA
;
1094 parser
.file
= reg_file
;
1095 parser
.two_wchars
[0] = s
[0];
1096 parser
.two_wchars
[1] = s
[1];
1097 parser
.reg_version
= -1;
1099 parser
.key_name
= NULL
;
1100 parser
.value_name
= NULL
;
1101 parser
.parse_type
= 0;
1102 parser
.data_type
= 0;
1104 parser
.data_size
= 0;
1105 parser
.backslash
= FALSE
;
1106 parser
.state
= HEADER
;
1108 pos
= parser
.two_wchars
;
1110 /* parser main loop */
1112 pos
= (parser_funcs
[parser
.state
])(&parser
, pos
);
1114 if (parser
.reg_version
== REG_VERSION_FUZZY
|| parser
.reg_version
== REG_VERSION_INVALID
)
1115 return parser
.reg_version
== REG_VERSION_FUZZY
;
1117 heap_free(parser
.value_name
);
1123 /******************************************************************************
1124 * Removes the registry key with all subkeys. Parses full key name.
1127 * reg_key_name - full name of registry branch to delete. Ignored if is NULL,
1128 * empty, points to register key class, does not exist.
1130 void delete_registry_key(WCHAR
*reg_key_name
)
1132 WCHAR
*key_name
= NULL
;
1135 if (!reg_key_name
|| !reg_key_name
[0])
1138 if (!(key_class
= parse_key_name(reg_key_name
, &key_name
)))
1140 if (key_name
) *(key_name
- 1) = 0;
1141 error_exit(STRING_INVALID_SYSTEM_KEY
, reg_key_name
);
1144 if (!key_name
|| !*key_name
)
1145 error_exit(STRING_DELETE_FAILED
, reg_key_name
);
1147 RegDeleteTreeW(key_class
, key_name
);
1150 static void REGPROC_write_line(FILE *fp
, const WCHAR
*str
, BOOL unicode
)
1153 fwrite(str
, sizeof(WCHAR
), lstrlenW(str
), fp
);
1156 char *strA
= GetMultiByteString(str
);
1162 static WCHAR
*REGPROC_escape_string(WCHAR
*str
, size_t str_len
, size_t *line_len
)
1164 size_t i
, escape_count
, pos
;
1167 for (i
= 0, escape_count
= 0; i
< str_len
; i
++)
1173 if (c
== '\r' || c
== '\n' || c
== '\\' || c
== '"')
1177 buf
= heap_xalloc((str_len
+ escape_count
+ 1) * sizeof(WCHAR
));
1179 for (i
= 0, pos
= 0; i
< str_len
; i
++, pos
++)
1213 static size_t export_value_name(FILE *fp
, WCHAR
*name
, size_t len
, BOOL unicode
)
1215 static const WCHAR quoted_fmt
[] = {'"','%','s','"','=',0};
1216 static const WCHAR default_name
[] = {'@','=',0};
1221 WCHAR
*str
= REGPROC_escape_string(name
, len
, &line_len
);
1222 WCHAR
*buf
= heap_xalloc((line_len
+ 4) * sizeof(WCHAR
));
1223 line_len
= sprintfW(buf
, quoted_fmt
, str
);
1224 REGPROC_write_line(fp
, buf
, unicode
);
1230 line_len
= lstrlenW(default_name
);
1231 REGPROC_write_line(fp
, default_name
, unicode
);
1237 static void export_string_data(WCHAR
**buf
, WCHAR
*data
, size_t size
)
1239 size_t len
= 0, line_len
;
1241 static const WCHAR fmt
[] = {'"','%','s','"',0};
1244 len
= size
/ sizeof(WCHAR
) - 1;
1245 str
= REGPROC_escape_string(data
, len
, &line_len
);
1246 *buf
= heap_xalloc((line_len
+ 3) * sizeof(WCHAR
));
1247 sprintfW(*buf
, fmt
, str
);
1251 static void export_dword_data(WCHAR
**buf
, DWORD
*data
)
1253 static const WCHAR fmt
[] = {'d','w','o','r','d',':','%','0','8','x',0};
1255 *buf
= heap_xalloc(15 * sizeof(WCHAR
));
1256 sprintfW(*buf
, fmt
, *data
);
1259 static size_t export_hex_data_type(FILE *fp
, DWORD type
, BOOL unicode
)
1261 static const WCHAR hex
[] = {'h','e','x',':',0};
1262 static const WCHAR hexp_fmt
[] = {'h','e','x','(','%','x',')',':',0};
1265 if (type
== REG_BINARY
)
1267 line_len
= lstrlenW(hex
);
1268 REGPROC_write_line(fp
, hex
, unicode
);
1272 WCHAR
*buf
= heap_xalloc(15 * sizeof(WCHAR
));
1273 line_len
= sprintfW(buf
, hexp_fmt
, type
);
1274 REGPROC_write_line(fp
, buf
, unicode
);
1281 #define MAX_HEX_CHARS 77
1283 static void export_hex_data(FILE *fp
, WCHAR
**buf
, DWORD type
, DWORD line_len
,
1284 void *data
, DWORD size
, BOOL unicode
)
1286 static const WCHAR fmt
[] = {'%','0','2','x',0};
1287 static const WCHAR hex_concat
[] = {'\\','\r','\n',' ',' ',0};
1288 size_t num_commas
, i
, pos
;
1290 line_len
+= export_hex_data_type(fp
, type
, unicode
);
1294 if (!unicode
&& (type
== REG_EXPAND_SZ
|| type
== REG_MULTI_SZ
))
1295 data
= GetMultiByteStringN(data
, size
/ sizeof(WCHAR
), &size
);
1297 num_commas
= size
- 1;
1298 *buf
= heap_xalloc(size
* 3 * sizeof(WCHAR
));
1300 for (i
= 0, pos
= 0; i
< size
; i
++)
1302 pos
+= sprintfW(*buf
+ pos
, fmt
, ((BYTE
*)data
)[i
]);
1303 if (i
== num_commas
) break;
1304 (*buf
)[pos
++] = ',';
1308 if (line_len
>= MAX_HEX_CHARS
)
1310 REGPROC_write_line(fp
, *buf
, unicode
);
1311 REGPROC_write_line(fp
, hex_concat
, unicode
);
1318 static void export_newline(FILE *fp
, BOOL unicode
)
1320 static const WCHAR newline
[] = {'\r','\n',0};
1322 REGPROC_write_line(fp
, newline
, unicode
);
1325 static void export_data(FILE *fp
, WCHAR
*value_name
, DWORD value_len
, DWORD type
,
1326 void *data
, size_t size
, BOOL unicode
)
1329 size_t line_len
= export_value_name(fp
, value_name
, value_len
, unicode
);
1334 export_string_data(&buf
, data
, size
);
1339 export_dword_data(&buf
, data
);
1348 export_hex_data(fp
, &buf
, type
, line_len
, data
, size
, unicode
);
1352 if (size
|| type
== REG_SZ
)
1354 REGPROC_write_line(fp
, buf
, unicode
);
1358 export_newline(fp
, unicode
);
1361 static WCHAR
*build_subkey_path(WCHAR
*path
, DWORD path_len
, WCHAR
*subkey_name
, DWORD subkey_len
)
1364 static const WCHAR fmt
[] = {'%','s','\\','%','s',0};
1366 subkey_path
= heap_xalloc((path_len
+ subkey_len
+ 2) * sizeof(WCHAR
));
1367 sprintfW(subkey_path
, fmt
, path
, subkey_name
);
1372 static void export_key_name(FILE *fp
, WCHAR
*name
, BOOL unicode
)
1374 static const WCHAR fmt
[] = {'\r','\n','[','%','s',']','\r','\n',0};
1377 buf
= heap_xalloc((lstrlenW(name
) + 7) * sizeof(WCHAR
));
1378 sprintfW(buf
, fmt
, name
);
1379 REGPROC_write_line(fp
, buf
, unicode
);
1383 #define MAX_SUBKEY_LEN 257
1385 static int export_registry_data(FILE *fp
, HKEY key
, WCHAR
*path
, BOOL unicode
)
1388 DWORD max_value_len
= 256, value_len
;
1389 DWORD max_data_bytes
= 2048, data_size
;
1391 DWORD i
, type
, path_len
;
1392 WCHAR
*value_name
, *subkey_name
, *subkey_path
;
1396 export_key_name(fp
, path
, unicode
);
1398 value_name
= heap_xalloc(max_value_len
* sizeof(WCHAR
));
1399 data
= heap_xalloc(max_data_bytes
);
1404 value_len
= max_value_len
;
1405 data_size
= max_data_bytes
;
1406 rc
= RegEnumValueW(key
, i
, value_name
, &value_len
, NULL
, &type
, data
, &data_size
);
1407 if (rc
== ERROR_SUCCESS
)
1409 export_data(fp
, value_name
, value_len
, type
, data
, data_size
, unicode
);
1412 else if (rc
== ERROR_MORE_DATA
)
1414 if (data_size
> max_data_bytes
)
1416 max_data_bytes
= data_size
;
1417 data
= heap_xrealloc(data
, max_data_bytes
);
1422 value_name
= heap_xrealloc(value_name
, max_value_len
* sizeof(WCHAR
));
1429 heap_free(value_name
);
1431 subkey_name
= heap_xalloc(MAX_SUBKEY_LEN
* sizeof(WCHAR
));
1433 path_len
= lstrlenW(path
);
1438 subkey_len
= MAX_SUBKEY_LEN
;
1439 rc
= RegEnumKeyExW(key
, i
, subkey_name
, &subkey_len
, NULL
, NULL
, NULL
, NULL
);
1440 if (rc
== ERROR_SUCCESS
)
1442 subkey_path
= build_subkey_path(path
, path_len
, subkey_name
, subkey_len
);
1443 if (!RegOpenKeyExW(key
, subkey_name
, 0, KEY_READ
, &subkey
))
1445 export_registry_data(fp
, subkey
, subkey_path
, unicode
);
1446 RegCloseKey(subkey
);
1448 heap_free(subkey_path
);
1454 heap_free(subkey_name
);
1458 static FILE *REGPROC_open_export_file(WCHAR
*file_name
, BOOL unicode
)
1461 static const WCHAR hyphen
[] = {'-',0};
1463 if (!strcmpW(file_name
, hyphen
))
1466 _setmode(_fileno(file
), _O_BINARY
);
1470 static const WCHAR wb_mode
[] = {'w','b',0};
1472 file
= _wfopen(file_name
, wb_mode
);
1475 static const WCHAR regedit
[] = {'r','e','g','e','d','i','t',0};
1477 error_exit(STRING_CANNOT_OPEN_FILE
, file_name
);
1483 static const BYTE bom
[] = {0xff,0xfe};
1484 static const WCHAR header
[] = {'W','i','n','d','o','w','s',' ',
1485 'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ',
1486 'V','e','r','s','i','o','n',' ','5','.','0','0','\r','\n'};
1488 fwrite(bom
, sizeof(BYTE
), ARRAY_SIZE(bom
), file
);
1489 fwrite(header
, sizeof(WCHAR
), ARRAY_SIZE(header
), file
);
1492 fputs("REGEDIT4\r\n", file
);
1497 static HKEY
open_export_key(HKEY key_class
, WCHAR
*subkey
, WCHAR
*path
)
1501 if (!RegOpenKeyExW(key_class
, subkey
, 0, KEY_READ
, &key
))
1504 output_message(STRING_OPEN_KEY_FAILED
, path
);
1508 static BOOL
export_key(WCHAR
*file_name
, WCHAR
*path
, BOOL unicode
)
1510 HKEY key_class
, key
;
1515 if (!(key_class
= parse_key_name(path
, &subkey
)))
1517 if (subkey
) *(subkey
- 1) = 0;
1518 output_message(STRING_INVALID_SYSTEM_KEY
, path
);
1522 if (!(key
= open_export_key(key_class
, subkey
, path
)))
1525 fp
= REGPROC_open_export_file(file_name
, unicode
);
1526 ret
= export_registry_data(fp
, key
, path
, unicode
);
1527 export_newline(fp
, unicode
);
1534 static BOOL
export_all(WCHAR
*file_name
, WCHAR
*path
, BOOL unicode
)
1538 HKEY classes
[] = {HKEY_LOCAL_MACHINE
, HKEY_USERS
}, key
;
1541 fp
= REGPROC_open_export_file(file_name
, unicode
);
1543 for (i
= 0; i
< ARRAY_SIZE(classes
); i
++)
1545 if (!(key
= open_export_key(classes
[i
], NULL
, path
)))
1551 class_name
= heap_xalloc((lstrlenW(reg_class_namesW
[i
]) + 1) * sizeof(WCHAR
));
1552 lstrcpyW(class_name
, reg_class_namesW
[i
]);
1554 export_registry_data(fp
, classes
[i
], class_name
, unicode
);
1556 heap_free(class_name
);
1560 export_newline(fp
, unicode
);
1566 BOOL
export_registry_key(WCHAR
*file_name
, WCHAR
*path
, DWORD format
)
1568 BOOL unicode
= (format
== REG_FORMAT_5
);
1571 return export_key(file_name
, path
, unicode
);
1573 return export_all(file_name
, path
, unicode
);