2 * Registry processing routines. Routines, common for registry
3 * processing frontends.
5 * Copyright 1999 Sylvain St-Germain
6 * Copyright 2002 Andriy Palamarchuk
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #define REG_VAL_BUF_SIZE 4096
33 /* maximal number of characters in hexadecimal data line,
34 not including '\' character */
35 #define REG_FILE_HEX_LINE_LEN 76
37 /* Globals used by the api setValue */
38 static LPSTR currentKeyName = NULL;
39 static HKEY currentKeyClass = 0;
40 static HKEY currentKeyHandle = 0;
41 static BOOL bTheKeyIsOpen = FALSE;
43 static const CHAR *app_name = "UNKNOWN";
45 static const CHAR *reg_class_names[] = {
46 "HKEY_LOCAL_MACHINE", "HKEY_USERS", "HKEY_CLASSES_ROOT",
47 "HKEY_CURRENT_CONFIG", "HKEY_CURRENT_USER", "HKEY_DYN_DATA"
50 #define REG_CLASS_NUMBER (sizeof(reg_class_names) / sizeof(reg_class_names[0]))
52 static HKEY reg_class_keys[REG_CLASS_NUMBER] = {
53 HKEY_LOCAL_MACHINE, HKEY_USERS, HKEY_CLASSES_ROOT,
54 HKEY_CURRENT_CONFIG, HKEY_CURRENT_USER, HKEY_DYN_DATA
58 #define NOT_ENOUGH_MEMORY 1
61 /* processing macros */
63 /* common check of memory allocation results */
64 #define CHECK_ENOUGH_MEMORY(p) \
67 fprintf(stderr,"%s: file %s, line %d: Not enough memory", \
68 getAppName(), __FILE__, __LINE__); \
69 exit(NOT_ENOUGH_MEMORY); \
72 /******************************************************************************
73 * This is a replacement for strsep which is not portable (missing on Solaris).
77 char* getToken(char** str, const char* delims)
88 if (strchr(delims,**str)!=NULL) {
95 /* There is no other token */
101 /******************************************************************************
102 * Copies file name from command line string to the buffer.
103 * Rewinds the command line string pointer to the next non-space character
104 * after the file name.
105 * Buffer contains an empty string if no filename was found;
108 * command_line - command line current position pointer
109 * where *s[0] is the first symbol of the file name.
110 * file_name - buffer to write the file name to.
112 void get_file_name(CHAR **command_line, CHAR *file_name)
114 CHAR *s = *command_line;
115 int pos = 0; /* position of pointer "s" in *command_line */
127 fprintf(stderr,"%s: Unexpected end of file name!\n",
135 while(s[0] && !isspace(s[0])) {
140 memcpy(file_name, *command_line, pos * sizeof((*command_line)[0]));
141 /* remove the last backslash */
142 if (file_name[pos - 1] == '\\') {
143 file_name[pos - 1] = '\0';
145 file_name[pos] = '\0';
152 while(s[0] && isspace(s[0])) {
156 (*command_line) += pos;
160 /******************************************************************************
161 * Converts a hex representation of a DWORD into a DWORD.
163 DWORD convertHexToDWord(char *str, BYTE *buf)
170 sscanf(xbuf,"%08x",&dw);
171 memcpy(buf,&dw,sizeof(DWORD));
172 return sizeof(DWORD);
175 /******************************************************************************
176 * Converts a hex comma separated values list into a hex list.
177 * The Hex input string must be in exactly the correct form.
179 DWORD convertHexCSVToHex(char *str, BYTE *buf, ULONG bufLen)
181 char *s = str; /* Pointer to current */
182 char *b = (char*) buf; /* Pointer to result */
184 ULONG strLen = strlen(str);
188 memset(buf, 0, bufLen);
191 * warn the user if we are here with a string longer than 2 bytes that does
192 * not contains ",". It is more likely because the data is invalid.
194 if ( ( strLen > 2) && ( strchr(str, ',') == NULL) )
195 fprintf(stderr,"%s: WARNING converting CSV hex stream with no comma, "
196 "input data seems invalid.\n", getAppName());
197 if (strLen > 3*bufLen)
198 fprintf(stderr,"%s: ERROR converting CSV hex stream. Too long\n",
201 while (strPos < strLen) {
205 memcpy(xbuf,s,2); xbuf[2]='\0';
206 sscanf(xbuf,"%02x",&wc);
207 if (byteCount < bufLen)
208 *b++ =(unsigned char)wc;
218 /******************************************************************************
219 * This function returns the HKEY associated with the data type encoded in the
220 * value. It modifies the input parameter (key value) in order to skip this
221 * "now useless" data type information.
223 * Note: Updated based on the algorithm used in 'server/registry.c'
225 DWORD getDataType(LPSTR *lpValue, DWORD* parse_type)
227 struct data_type { const char *tag; int len; int type; int parse_type; };
229 static const struct data_type data_types[] = { /* actual type */ /* type to assume for parsing */
230 { "\"", 1, REG_SZ, REG_SZ },
231 { "str:\"", 5, REG_SZ, REG_SZ },
232 { "str(2):\"", 8, REG_EXPAND_SZ, REG_SZ },
233 { "hex:", 4, REG_BINARY, REG_BINARY },
234 { "dword:", 6, REG_DWORD, REG_DWORD },
235 { "hex(", 4, -1, REG_BINARY },
239 const struct data_type *ptr;
242 for (ptr = data_types; ptr->tag; ptr++) {
243 if (memcmp( ptr->tag, *lpValue, ptr->len ))
247 *parse_type = ptr->parse_type;
252 /* "hex(xx):" is special */
253 type = (int)strtoul( *lpValue , &end, 16 );
254 if (**lpValue=='\0' || *end!=')' || *(end+1)!=':') {
262 return (**lpValue=='\0'?REG_SZ:REG_NONE);
265 /******************************************************************************
266 * Returns an allocated buffer with a cleaned copy (removed the surrounding
267 * dbl quotes) of the passed value.
269 LPSTR getArg( LPSTR arg)
278 * Get rid of surrounding quotes
282 if( arg[len-1] == '\"' ) arg[len-1] = '\0';
283 if( arg[0] == '\"' ) arg++;
285 tmp = HeapAlloc(GetProcessHeap(), 0, strlen(arg)+1);
286 CHECK_ENOUGH_MEMORY(tmp);
292 /******************************************************************************
293 * Replaces escape sequences with the characters.
295 static void REGPROC_unescape_string(LPSTR str)
297 int str_idx = 0; /* current character under analysis */
298 int val_idx = 0; /* the last character of the unescaped string */
299 int len = strlen(str);
300 for (str_idx = 0; str_idx < len; str_idx++, val_idx++) {
301 if (str[str_idx] == '\\') {
303 switch (str[str_idx]) {
309 str[val_idx] = str[str_idx];
312 fprintf(stderr,"Warning! Unrecognized escape sequence: \\%c'\n",
314 str[val_idx] = str[str_idx];
318 str[val_idx] = str[str_idx];
324 /******************************************************************************
325 * Sets the value with name val_name to the data in val_data for the currently
329 * val_name - name of the registry value
330 * val_data - registry value data
332 HRESULT setValue(LPSTR val_name, LPSTR val_data)
335 DWORD dwDataType, dwParseType;
337 BYTE convert[KEY_MAX_LEN];
338 BYTE *bBigBuffer = 0;
341 if ( (val_name == NULL) || (val_data == NULL) )
342 return ERROR_INVALID_PARAMETER;
344 if (val_data[0] == '-')
345 return RegDeleteValue(currentKeyHandle,val_name);
347 /* Get the data type stored into the value field */
348 dwDataType = getDataType(&val_data, &dwParseType);
350 if ( dwParseType == REG_SZ) /* no conversion for string */
352 REGPROC_unescape_string(val_data);
353 /* Compute dwLen after REGPROC_unescape_string because it may
354 * have changed the string length and we don't want to store
355 * the extra garbage in the registry.
357 dwLen = strlen(val_data);
358 if (dwLen>0 && val_data[dwLen-1]=='"')
361 val_data[dwLen]='\0';
363 lpbData = (BYTE*) val_data;
364 } else if (dwParseType == REG_DWORD) /* Convert the dword types */
366 dwLen = convertHexToDWord(val_data, convert);
368 } else /* Convert the hexadecimal types */
370 int b_len = strlen (val_data)+2/3;
371 if (b_len > KEY_MAX_LEN) {
372 bBigBuffer = HeapAlloc (GetProcessHeap(), 0, b_len);
373 CHECK_ENOUGH_MEMORY(bBigBuffer);
374 dwLen = convertHexCSVToHex(val_data, bBigBuffer, b_len);
375 lpbData = bBigBuffer;
377 dwLen = convertHexCSVToHex(val_data, convert, KEY_MAX_LEN);
382 hRes = RegSetValueEx(
390 HeapFree (GetProcessHeap(), 0, bBigBuffer);
395 /******************************************************************************
398 HRESULT openKey( LPSTR stdInput)
404 if (stdInput == NULL)
405 return ERROR_INVALID_PARAMETER;
407 /* Get the registry class */
408 currentKeyClass = getRegClass(stdInput); /* Sets global variable */
409 if (currentKeyClass == (HKEY)ERROR_INVALID_PARAMETER)
410 return (HRESULT)ERROR_INVALID_PARAMETER;
412 /* Get the key name */
413 currentKeyName = getRegKeyName(stdInput); /* Sets global variable */
414 if (currentKeyName == NULL)
415 return ERROR_INVALID_PARAMETER;
417 hRes = RegCreateKeyEx(
418 currentKeyClass, /* Class */
419 currentKeyName, /* Sub Key */
421 NULL, /* object type */
422 REG_OPTION_NON_VOLATILE, /* option, REG_OPTION_NON_VOLATILE ... */
423 KEY_ALL_ACCESS, /* access mask, KEY_ALL_ACCESS */
424 NULL, /* security attribute */
425 ¤tKeyHandle, /* result */
426 &dwDisp); /* disposition, REG_CREATED_NEW_KEY or
427 REG_OPENED_EXISTING_KEY */
429 if (hRes == ERROR_SUCCESS)
430 bTheKeyIsOpen = TRUE;
436 /******************************************************************************
437 * Extracts from [HKEY\some\key\path] or HKEY\some\key\path types of line
438 * the key name (what starts after the first '\')
440 LPSTR getRegKeyName(LPSTR lpLine)
443 char lpLineCopy[KEY_MAX_LEN];
448 strcpy(lpLineCopy, lpLine);
450 keyNameBeg = strchr(lpLineCopy, '\\'); /* The key name start by '\' */
452 keyNameBeg++; /* is not part of the name */
454 if (lpLine[0] == '[') /* need to find matching ']' */
458 keyNameEnd = strrchr(lpLineCopy, ']');
460 *keyNameEnd = '\0'; /* remove ']' from the key name */
464 keyNameBeg = lpLineCopy + strlen(lpLineCopy); /* branch - empty string */
466 currentKeyName = HeapAlloc(GetProcessHeap(), 0, strlen(keyNameBeg) + 1);
467 CHECK_ENOUGH_MEMORY(currentKeyName);
468 strcpy(currentKeyName, keyNameBeg);
469 return currentKeyName;
472 /******************************************************************************
473 * Extracts from [HKEY\some\key\path] or HKEY\some\key\path types of line
474 * the key class (what ends before the first '\')
476 HKEY getRegClass(LPSTR lpClass)
482 char lpClassCopy[KEY_MAX_LEN];
485 return (HKEY)ERROR_INVALID_PARAMETER;
487 lstrcpynA(lpClassCopy, lpClass, KEY_MAX_LEN);
489 classNameEnd = strchr(lpClassCopy, '\\'); /* The class name ends by '\' */
490 if (!classNameEnd) /* or the whole string */
492 classNameEnd = lpClassCopy + strlen(lpClassCopy);
493 if (classNameEnd[-1] == ']')
498 *classNameEnd = '\0'; /* Isolate the class name */
499 if (lpClassCopy[0] == '[') {
500 classNameBeg = lpClassCopy + 1;
502 classNameBeg = lpClassCopy;
505 for (i = 0; i < REG_CLASS_NUMBER; i++) {
506 if (!strcmp(classNameBeg, reg_class_names[i])) {
507 return reg_class_keys[i];
510 return (HKEY)ERROR_INVALID_PARAMETER;
513 /******************************************************************************
514 * Close the currently opened key.
518 RegCloseKey(currentKeyHandle);
520 HeapFree(GetProcessHeap(), 0, currentKeyName); /* Allocated by getKeyName */
522 bTheKeyIsOpen = FALSE;
524 currentKeyName = NULL;
526 currentKeyHandle = 0;
529 /******************************************************************************
530 * This function is the main entry point to the setValue type of action. It
531 * receives the currently read line and dispatch the work depending on the
534 void doSetValue(LPSTR stdInput)
537 * We encountered the end of the file, make sure we
538 * close the opened key and exit
540 if (stdInput == NULL) {
541 if (bTheKeyIsOpen != FALSE)
547 if ( stdInput[0] == '[') /* We are reading a new key */
549 if ( bTheKeyIsOpen != FALSE )
550 closeKey(); /* Close the previous key before */
552 /* delete the key if we encounter '-' at the start of reg key */
553 if ( stdInput[1] == '-')
555 int last_chr = strlen(stdInput) - 1;
557 /* skip leading "[-" and get rid of trailing "]" */
558 if (stdInput[last_chr] == ']')
559 stdInput[last_chr] = '\0';
560 delete_registry_key(stdInput+2);
564 if ( openKey(stdInput) != ERROR_SUCCESS )
565 fprintf(stderr,"%s: setValue failed to open key %s\n",
566 getAppName(), stdInput);
567 } else if( ( bTheKeyIsOpen ) &&
568 (( stdInput[0] == '@') || /* reading a default @=data pair */
569 ( stdInput[0] == '\"'))) /* reading a new value=data pair */
571 processSetValue(stdInput);
572 } else /* since we are assuming that the */
573 { /* file format is valid we must */
574 if ( bTheKeyIsOpen ) /* be reading a blank line which */
575 closeKey(); /* indicate end of this key processing */
579 /******************************************************************************
580 * This function is the main entry point to the deleteValue type of action. It
581 * receives the currently read line and dispatch the work depending on the
584 void doDeleteValue(LPSTR line)
586 fprintf(stderr,"%s: deleteValue not yet implemented\n", getAppName());
589 /******************************************************************************
590 * This function is the main entry point to the deleteKey type of action. It
591 * receives the currently read line and dispatch the work depending on the
594 void doDeleteKey(LPSTR line)
596 fprintf(stderr,"%s: deleteKey not yet implemented\n", getAppName());
599 /******************************************************************************
600 * This function is the main entry point to the createKey type of action. It
601 * receives the currently read line and dispatch the work depending on the
604 void doCreateKey(LPSTR line)
606 fprintf(stderr,"%s: createKey not yet implemented\n", getAppName());
609 /******************************************************************************
610 * This function is a wrapper for the setValue function. It prepares the
611 * land and clean the area once completed.
612 * Note: this function modifies the line parameter.
614 * line - registry file unwrapped line. Should have the registry value name and
615 * complete registry value data.
617 void processSetValue(LPSTR line)
619 LPSTR val_name; /* registry value name */
620 LPSTR val_data; /* registry value data */
622 int line_idx = 0; /* current character under analysis */
626 if (line[line_idx] == '@' && line[line_idx + 1] == '=') {
627 line[line_idx] = '\0';
630 } else if (line[line_idx] == '\"') {
632 val_name = line + line_idx;
634 if (line[line_idx] == '\\') /* skip escaped character */
638 if (line[line_idx] == '\"') {
639 line[line_idx] = '\0';
647 if (line[line_idx] != '=') {
648 line[line_idx] = '\"';
649 fprintf(stderr,"Warning! unrecognized line:\n%s\n", line);
654 fprintf(stderr,"Warning! unrecognized line:\n%s\n", line);
657 line_idx++; /* skip the '=' character */
658 val_data = line + line_idx;
660 REGPROC_unescape_string(val_name);
661 hRes = setValue(val_name, val_data);
662 if ( hRes != ERROR_SUCCESS )
663 fprintf(stderr,"%s: ERROR Key %s not created. Value: %s, Data: %s\n",
670 /******************************************************************************
671 * Calls command for each line of a registry file.
672 * Correctly processes comments (in # form), line continuation.
675 * in - input stream to read from
676 * command - command to be called for each line
678 void processRegLines(FILE *in, CommandAPI command)
680 LPSTR line = NULL; /* line read from input stream */
681 ULONG lineSize = REG_VAL_BUF_SIZE;
683 line = HeapAlloc(GetProcessHeap(), 0, lineSize);
684 CHECK_ENOUGH_MEMORY(line);
687 LPSTR s; /* The pointer into line for where the current fgets should read */
690 size_t size_remaining;
692 char *s_eol; /* various local uses */
694 /* Do we need to expand the buffer ? */
695 assert (s >= line && s <= line + lineSize);
696 size_remaining = lineSize - (s-line);
697 if (size_remaining < 2) /* room for 1 character and the \0 */
700 size_t new_size = lineSize + REG_VAL_BUF_SIZE;
701 if (new_size > lineSize) /* no arithmetic overflow */
702 new_buffer = HeapReAlloc (GetProcessHeap(), 0, line, new_size);
705 CHECK_ENOUGH_MEMORY(new_buffer);
707 s = line + lineSize - size_remaining;
709 size_remaining = lineSize - (s-line);
712 /* Get as much as possible into the buffer, terminated either by
713 * eof, error, eol or getting the maximum amount. Abort on error.
715 size_to_get = (size_remaining > INT_MAX ? INT_MAX : size_remaining);
716 if (NULL == fgets (s, size_to_get, in)) {
718 perror ("While reading input");
723 /* It is not clear to me from the definition that the
724 * contents of the buffer are well defined on detecting
725 * an eof without managing to read anything.
730 /* If we didn't read the eol nor the eof go around for the rest */
731 s_eol = strchr (s, '\n');
732 if (!feof (in) && !s_eol) {
733 s = strchr (s, '\0');
734 /* It should be s + size_to_get - 1 but this is safer */
738 /* If it is a comment line then discard it and go around again */
739 if (line [0] == '#') {
744 /* Remove any line feed. Leave s_eol on the \0 */
747 if (s_eol > line && *(s_eol-1) == '\r')
750 s_eol = strchr (s, '\0');
752 /* If there is a concatenating \\ then go around again */
753 if (s_eol > line && *(s_eol-1) == '\\') {
756 /* The following error protection could be made more self-
757 * correcting but I thought it not worth trying.
759 if ((c = fgetc (in)) == EOF || c != ' ' ||
760 (c = fgetc (in)) == EOF || c != ' ')
761 fprintf(stderr,"%s: ERROR - invalid continuation.\n",
766 break; /* That is the full virtual line */
773 HeapFree(GetProcessHeap(), 0, line);
776 /******************************************************************************
777 * This function is the main entry point to the registerDLL action. It
778 * receives the currently read line, then loads and registers the requested DLLs
780 void doRegisterDLL(LPSTR stdInput)
785 /* Check for valid input */
786 if (stdInput == NULL)
789 /* Load and register the library, then free it */
790 theLib = LoadLibrary(stdInput);
792 FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllRegisterServer");
794 retVal = (*lpfnDLLRegProc)();
796 fprintf(stderr,"%s: Couldn't find DllRegisterServer proc in '%s'.\n",
797 getAppName(), stdInput);
800 fprintf(stderr,"%s: DLLRegisterServer error 0x%x in '%s'.\n",
801 getAppName(), retVal, stdInput);
805 fprintf(stderr,"%s: Could not load DLL '%s'.\n", getAppName(), stdInput);
809 /******************************************************************************
810 * This function is the main entry point to the unregisterDLL action. It
811 * receives the currently read line, then loads and unregisters the requested DLLs
813 void doUnregisterDLL(LPSTR stdInput)
818 /* Check for valid input */
819 if (stdInput == NULL)
822 /* Load and unregister the library, then free it */
823 theLib = LoadLibrary(stdInput);
825 FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllUnregisterServer");
827 retVal = (*lpfnDLLRegProc)();
829 fprintf(stderr,"%s: Couldn't find DllUnregisterServer proc in '%s'.\n",
830 getAppName(), stdInput);
833 fprintf(stderr,"%s: DLLUnregisterServer error 0x%x in '%s'.\n",
834 getAppName(), retVal, stdInput);
838 fprintf(stderr,"%s: Could not load DLL '%s'.\n", getAppName(), stdInput);
842 /****************************************************************************
843 * REGPROC_print_error
845 * Print the message for GetLastError
848 static void REGPROC_print_error(void)
854 error_code = GetLastError ();
855 status = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
856 NULL, error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL);
858 fprintf(stderr,"%s: Cannot display message for error %d, status %d\n",
859 getAppName(), error_code, GetLastError());
863 LocalFree((HLOCAL)lpMsgBuf);
867 /******************************************************************************
868 * Checks whether the buffer has enough room for the string or required size.
869 * Resizes the buffer if necessary.
872 * buffer - pointer to a buffer for string
873 * len - current length of the buffer in characters.
874 * required_len - length of the string to place to the buffer in characters.
875 * The length does not include the terminating null character.
877 static void REGPROC_resize_char_buffer(CHAR **buffer, DWORD *len, DWORD required_len)
880 if (required_len > *len) {
883 *buffer = HeapAlloc(GetProcessHeap(), 0, *len * sizeof(**buffer));
885 *buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *len * sizeof(**buffer));
886 CHECK_ENOUGH_MEMORY(*buffer);
890 /******************************************************************************
891 * Prints string str to file
893 static void REGPROC_export_string(FILE *file, CHAR *str)
895 size_t len = strlen(str);
898 /* escaping characters */
899 for (i = 0; i < len; i++) {
918 /******************************************************************************
919 * Writes contents of the registry key to the specified file stream.
922 * file - writable file stream to export registry branch to.
923 * key - registry branch to export.
924 * reg_key_name_buf - name of the key with registry class.
925 * Is resized if necessary.
926 * reg_key_name_len - length of the buffer for the registry class in characters.
927 * val_name_buf - buffer for storing value name.
928 * Is resized if necessary.
929 * val_name_len - length of the buffer for storing value names in characters.
930 * val_buf - buffer for storing values while extracting.
931 * Is resized if necessary.
932 * val_size - size of the buffer for storing values in bytes.
934 static void export_hkey(FILE *file, HKEY key,
935 CHAR **reg_key_name_buf, DWORD *reg_key_name_len,
936 CHAR **val_name_buf, DWORD *val_name_len,
937 BYTE **val_buf, DWORD *val_size)
939 DWORD max_sub_key_len;
940 DWORD max_val_name_len;
947 /* get size information and resize the buffers if necessary */
948 if (RegQueryInfoKey(key, NULL, NULL, NULL, NULL,
949 &max_sub_key_len, NULL,
950 NULL, &max_val_name_len, &max_val_size, NULL, NULL
951 ) != ERROR_SUCCESS) {
952 REGPROC_print_error();
954 curr_len = strlen(*reg_key_name_buf);
955 REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_len,
956 max_sub_key_len + curr_len + 1);
957 REGPROC_resize_char_buffer(val_name_buf, val_name_len,
959 if (max_val_size > *val_size) {
960 *val_size = max_val_size;
961 if (!*val_buf) *val_buf = HeapAlloc(GetProcessHeap(), 0, *val_size);
962 else *val_buf = HeapReAlloc(GetProcessHeap(), 0, *val_buf, *val_size);
963 CHECK_ENOUGH_MEMORY(val_buf);
966 /* output data for the current key */
968 fputs(*reg_key_name_buf, file);
970 /* print all the values */
975 DWORD val_name_len1 = *val_name_len;
976 DWORD val_size1 = *val_size;
977 ret = RegEnumValue(key, i, *val_name_buf, &val_name_len1, NULL,
978 &value_type, *val_buf, &val_size1);
979 if (ret != ERROR_SUCCESS) {
981 if (ret != ERROR_NO_MORE_ITEMS) {
982 REGPROC_print_error();
987 if ((*val_name_buf)[0]) {
989 REGPROC_export_string(file, *val_name_buf);
995 switch (value_type) {
999 REGPROC_export_string(file, (char*) *val_buf);
1000 fputs("\"\n", file);
1004 fprintf(file, "dword:%08x\n", *((DWORD *)*val_buf));
1008 fprintf(stderr,"%s: warning - unsupported registry format '%d', "
1009 "treat as binary\n",
1010 getAppName(), value_type);
1011 fprintf(stderr,"key name: \"%s\"\n", *reg_key_name_buf);
1012 fprintf(stderr,"value name:\"%s\"\n\n", *val_name_buf);
1018 const CHAR *hex_prefix;
1022 if (value_type == REG_BINARY) {
1023 hex_prefix = "hex:";
1026 sprintf(buf, "hex(%d):", value_type);
1029 /* position of where the next character will be printed */
1030 /* NOTE: yes, strlen("hex:") is used even for hex(x): */
1031 cur_pos = strlen("\"\"=") + strlen("hex:") +
1032 strlen(*val_name_buf);
1034 fputs(hex_prefix, file);
1035 for (i1 = 0; i1 < val_size1; i1++) {
1036 fprintf(file, "%02x", (unsigned int)(*val_buf)[i1]);
1037 if (i1 + 1 < val_size1) {
1043 if (cur_pos > REG_FILE_HEX_LINE_LEN) {
1044 fputs("\\\n ", file);
1057 (*reg_key_name_buf)[curr_len] = '\\';
1059 DWORD buf_len = *reg_key_name_len - curr_len;
1061 ret = RegEnumKeyEx(key, i, *reg_key_name_buf + curr_len + 1, &buf_len,
1062 NULL, NULL, NULL, NULL);
1063 if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA) {
1065 if (ret != ERROR_NO_MORE_ITEMS) {
1066 REGPROC_print_error();
1072 if (RegOpenKey(key, *reg_key_name_buf + curr_len + 1,
1073 &subkey) == ERROR_SUCCESS) {
1074 export_hkey(file, subkey, reg_key_name_buf, reg_key_name_len,
1075 val_name_buf, val_name_len, val_buf, val_size);
1076 RegCloseKey(subkey);
1078 REGPROC_print_error();
1082 (*reg_key_name_buf)[curr_len] = '\0';
1085 /******************************************************************************
1086 * Open file for export.
1088 static FILE *REGPROC_open_export_file(CHAR *file_name)
1090 FILE *file = fopen(file_name, "w");
1093 fprintf(stderr,"%s: Can't open file \"%s\"\n", getAppName(), file_name);
1096 fputs("REGEDIT4\n", file);
1100 /******************************************************************************
1101 * Writes contents of the registry key to the specified file stream.
1104 * file_name - name of a file to export registry branch to.
1105 * reg_key_name - registry branch to export. The whole registry is exported if
1106 * reg_key_name is NULL or contains an empty string.
1108 BOOL export_registry_key(CHAR *file_name, CHAR *reg_key_name)
1112 CHAR *reg_key_name_buf;
1115 DWORD reg_key_name_len = KEY_MAX_LEN;
1116 DWORD val_name_len = KEY_MAX_LEN;
1117 DWORD val_size = REG_VAL_BUF_SIZE;
1120 reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0,
1121 reg_key_name_len * sizeof(*reg_key_name_buf));
1122 val_name_buf = HeapAlloc(GetProcessHeap(), 0,
1123 val_name_len * sizeof(*val_name_buf));
1124 val_buf = HeapAlloc(GetProcessHeap(), 0, val_size);
1125 CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf);
1127 if (reg_key_name && reg_key_name[0]) {
1131 REGPROC_resize_char_buffer(®_key_name_buf, ®_key_name_len,
1132 strlen(reg_key_name));
1133 strcpy(reg_key_name_buf, reg_key_name);
1135 /* open the specified key */
1136 reg_key_class = getRegClass(reg_key_name);
1137 if (reg_key_class == (HKEY)ERROR_INVALID_PARAMETER) {
1138 fprintf(stderr,"%s: Incorrect registry class specification in '%s'\n",
1139 getAppName(), reg_key_name);
1142 branch_name = getRegKeyName(reg_key_name);
1143 CHECK_ENOUGH_MEMORY(branch_name);
1144 if (!branch_name[0]) {
1145 /* no branch - registry class is specified */
1146 file = REGPROC_open_export_file(file_name);
1147 export_hkey(file, reg_key_class,
1148 ®_key_name_buf, ®_key_name_len,
1149 &val_name_buf, &val_name_len,
1150 &val_buf, &val_size);
1151 } else if (RegOpenKey(reg_key_class, branch_name, &key) == ERROR_SUCCESS) {
1152 file = REGPROC_open_export_file(file_name);
1153 export_hkey(file, key,
1154 ®_key_name_buf, ®_key_name_len,
1155 &val_name_buf, &val_name_len,
1156 &val_buf, &val_size);
1159 fprintf(stderr,"%s: Can't export. Registry key '%s' does not exist!\n",
1160 getAppName(), reg_key_name);
1161 REGPROC_print_error();
1163 HeapFree(GetProcessHeap(), 0, branch_name);
1167 /* export all registry classes */
1168 file = REGPROC_open_export_file(file_name);
1169 for (i = 0; i < REG_CLASS_NUMBER; i++) {
1170 /* do not export HKEY_CLASSES_ROOT */
1171 if (reg_class_keys[i] != HKEY_CLASSES_ROOT &&
1172 reg_class_keys[i] != HKEY_CURRENT_USER &&
1173 reg_class_keys[i] != HKEY_CURRENT_CONFIG &&
1174 reg_class_keys[i] != HKEY_DYN_DATA) {
1175 strcpy(reg_key_name_buf, reg_class_names[i]);
1176 export_hkey(file, reg_class_keys[i],
1177 ®_key_name_buf, ®_key_name_len,
1178 &val_name_buf, &val_name_len,
1179 &val_buf, &val_size);
1187 HeapFree(GetProcessHeap(), 0, reg_key_name);
1188 HeapFree(GetProcessHeap(), 0, val_buf);
1192 /******************************************************************************
1193 * Reads contents of the specified file into the registry.
1195 BOOL import_registry_file(LPTSTR filename)
1197 FILE* reg_file = fopen(filename, "r");
1200 processRegLines(reg_file, doSetValue);
1206 /******************************************************************************
1207 * Recursive function which removes the registry key with all subkeys.
1209 static void delete_branch(HKEY key,
1210 CHAR **reg_key_name_buf, DWORD *reg_key_name_len)
1213 DWORD max_sub_key_len;
1219 if (RegOpenKey(key, *reg_key_name_buf, &branch_key) != ERROR_SUCCESS) {
1220 REGPROC_print_error();
1223 /* get size information and resize the buffers if necessary */
1224 if (RegQueryInfoKey(branch_key, NULL, NULL, NULL,
1225 &subkeys, &max_sub_key_len,
1226 NULL, NULL, NULL, NULL, NULL, NULL
1227 ) != ERROR_SUCCESS) {
1228 REGPROC_print_error();
1230 curr_len = strlen(*reg_key_name_buf);
1231 REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_len,
1232 max_sub_key_len + curr_len + 1);
1234 (*reg_key_name_buf)[curr_len] = '\\';
1235 for (i = subkeys - 1; i >= 0; i--) {
1236 DWORD buf_len = *reg_key_name_len - curr_len;
1238 ret = RegEnumKeyEx(branch_key, i, *reg_key_name_buf + curr_len + 1,
1239 &buf_len, NULL, NULL, NULL, NULL);
1240 if (ret != ERROR_SUCCESS &&
1241 ret != ERROR_MORE_DATA &&
1242 ret != ERROR_NO_MORE_ITEMS) {
1243 REGPROC_print_error();
1245 delete_branch(key, reg_key_name_buf, reg_key_name_len);
1248 (*reg_key_name_buf)[curr_len] = '\0';
1249 RegCloseKey(branch_key);
1250 RegDeleteKey(key, *reg_key_name_buf);
1253 /******************************************************************************
1254 * Removes the registry key with all subkeys. Parses full key name.
1257 * reg_key_name - full name of registry branch to delete. Ignored if is NULL,
1258 * empty, points to register key class, does not exist.
1260 void delete_registry_key(CHAR *reg_key_name)
1263 DWORD branch_name_len;
1267 if (!reg_key_name || !reg_key_name[0])
1269 /* open the specified key */
1270 reg_key_class = getRegClass(reg_key_name);
1271 if (reg_key_class == (HKEY)ERROR_INVALID_PARAMETER) {
1272 fprintf(stderr,"%s: Incorrect registry class specification in '%s'\n",
1273 getAppName(), reg_key_name);
1276 branch_name = getRegKeyName(reg_key_name);
1277 CHECK_ENOUGH_MEMORY(branch_name);
1278 branch_name_len = strlen(branch_name);
1279 if (!branch_name[0]) {
1280 fprintf(stderr,"%s: Can't delete registry class '%s'\n",
1281 getAppName(), reg_key_name);
1284 if (RegOpenKey(reg_key_class, branch_name, &branch_key) == ERROR_SUCCESS) {
1285 /* check whether the key exists */
1286 RegCloseKey(branch_key);
1287 delete_branch(reg_key_class, &branch_name, &branch_name_len);
1289 HeapFree(GetProcessHeap(), 0, branch_name);
1292 /******************************************************************************
1293 * Sets the application name. Then application name is used in the error
1296 void setAppName(const CHAR *name)
1301 const CHAR *getAppName(void)