ReactOS  0.4.12-dev-43-g63b00d8
regproc.c
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1 /*
2  * Registry processing routines. Routines, common for registry
3  * processing frontends.
4  *
5  * Copyright 1999 Sylvain St-Germain
6  * Copyright 2002 Andriy Palamarchuk
7  * Copyright 2008 Alexander N. Sørnes <alex@thehandofagony.com>
8  *
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.
13  *
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.
18  *
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
22  */
23 
24 #include "regedit.h"
25 
26 #include <assert.h>
27 #include <fcntl.h>
28 #include <io.h>
29 #include <wine/unicode.h>
30 
31 #define REG_VAL_BUF_SIZE 4096
32 
33 /* maximal number of characters in hexadecimal data line,
34  * including the indentation, but not including the '\' character
35  */
36 #define REG_FILE_HEX_LINE_LEN (2 + 25 * 3)
37 
39 {
40  L"HKEY_LOCAL_MACHINE", L"HKEY_USERS", L"HKEY_CLASSES_ROOT",
41  L"HKEY_CURRENT_CONFIG", L"HKEY_CURRENT_USER", L"HKEY_DYN_DATA"
42 };
43 
44 static HKEY reg_class_keys[] = {
47  };
48 
49 #define REG_CLASS_NUMBER (sizeof(reg_class_keys) / sizeof(reg_class_keys[0]))
50 
51 /* return values */
52 #define NOT_ENOUGH_MEMORY 1
53 #define IO_ERROR 2
54 
55 /* processing macros */
56 
57 /* common check of memory allocation results */
58 #define CHECK_ENOUGH_MEMORY(p) \
59 if (!(p)) \
60 { \
61  fprintf(stderr,"%S: file %s, line %d: Not enough memory\n", \
62  getAppName(), __FILE__, __LINE__); \
63  exit(NOT_ENOUGH_MEMORY); \
64 }
65 
66 /******************************************************************************
67  * Allocates memory and converts input from multibyte to wide chars
68  * Returned string must be freed by the caller
69  */
70 WCHAR* GetWideString(const char* strA)
71 {
72  if(strA)
73  {
74  WCHAR* strW;
75  int len = MultiByteToWideChar(CP_ACP, 0, strA, -1, NULL, 0);
76 
77  strW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
78  CHECK_ENOUGH_MEMORY(strW);
79  MultiByteToWideChar(CP_ACP, 0, strA, -1, strW, len);
80  return strW;
81  }
82  return NULL;
83 }
84 
85 /******************************************************************************
86  * Allocates memory and converts input from multibyte to wide chars
87  * Returned string must be freed by the caller
88  */
89 static WCHAR* GetWideStringN(const char* strA, int chars, DWORD *len)
90 {
91  if(strA)
92  {
93  WCHAR* strW;
94  *len = MultiByteToWideChar(CP_ACP, 0, strA, chars, NULL, 0);
95 
96  strW = HeapAlloc(GetProcessHeap(), 0, *len * sizeof(WCHAR));
97  CHECK_ENOUGH_MEMORY(strW);
98  MultiByteToWideChar(CP_ACP, 0, strA, chars, strW, *len);
99  return strW;
100  }
101  *len = 0;
102  return NULL;
103 }
104 
105 /******************************************************************************
106  * Allocates memory and converts input from wide chars to multibyte
107  * Returned string must be freed by the caller
108  */
110 {
111  if(strW)
112  {
113  char* strA;
114  int len = WideCharToMultiByte(CP_ACP, 0, strW, -1, NULL, 0, NULL, NULL);
115 
116  strA = HeapAlloc(GetProcessHeap(), 0, len);
117  CHECK_ENOUGH_MEMORY(strA);
118  WideCharToMultiByte(CP_ACP, 0, strW, -1, strA, len, NULL, NULL);
119  return strA;
120  }
121  return NULL;
122 }
123 
124 /******************************************************************************
125  * Allocates memory and converts input from wide chars to multibyte
126  * Returned string must be freed by the caller
127  */
128 static char* GetMultiByteStringN(const WCHAR* strW, int chars, DWORD* len)
129 {
130  if(strW)
131  {
132  char* strA;
133  *len = WideCharToMultiByte(CP_ACP, 0, strW, chars, NULL, 0, NULL, NULL);
134 
135  strA = HeapAlloc(GetProcessHeap(), 0, *len);
136  CHECK_ENOUGH_MEMORY(strA);
137  WideCharToMultiByte(CP_ACP, 0, strW, chars, strA, *len, NULL, NULL);
138  return strA;
139  }
140  *len = 0;
141  return NULL;
142 }
143 
144 /******************************************************************************
145  * Converts a hex representation of a DWORD into a DWORD.
146  */
148 {
149  char buf[9];
150  char dummy;
151 
152  WideCharToMultiByte(CP_ACP, 0, str, -1, buf, 9, NULL, NULL);
153  if (lstrlenW(str) > 8 || sscanf(buf, "%lx%c", dw, &dummy) != 1) {
154  fprintf(stderr,"%S: ERROR, invalid hex value\n", getAppName());
155  return FALSE;
156  }
157  return TRUE;
158 }
159 
160 /******************************************************************************
161  * Converts a hex comma separated values list into a binary string.
162  */
164 {
165  WCHAR *s;
166  BYTE *d, *data;
167 
168  /* The worst case is 1 digit + 1 comma per byte */
169  *size=(lstrlenW(str)+1)/2;
170  data=HeapAlloc(GetProcessHeap(), 0, *size);
171  CHECK_ENOUGH_MEMORY(data);
172 
173  s = str;
174  d = data;
175  *size=0;
176  while (*s != '\0') {
177  UINT wc;
178  WCHAR *end;
179 
180  wc = strtoulW(s,&end,16);
181  if (end == s || wc > 0xff || (*end && *end != ',')) {
182  char* strA = GetMultiByteString(s);
183  fprintf(stderr,"%S: ERROR converting CSV hex stream. Invalid value at '%s'\n",
184  getAppName(), strA);
185  HeapFree(GetProcessHeap(), 0, data);
186  HeapFree(GetProcessHeap(), 0, strA);
187  return NULL;
188  }
189  *d++ =(BYTE)wc;
190  (*size)++;
191  if (*end) end++;
192  s = end;
193  }
194 
195  return data;
196 }
197 
198 /******************************************************************************
199  * This function returns the HKEY associated with the data type encoded in the
200  * value. It modifies the input parameter (key value) in order to skip this
201  * "now useless" data type information.
202  *
203  * Note: Updated based on the algorithm used in 'server/registry.c'
204  */
206 {
207  struct data_type { const WCHAR *tag; int len; int type; int parse_type; };
208 
209  static const WCHAR quote[] = {'"'};
210  static const WCHAR str[] = {'s','t','r',':','"'};
211  static const WCHAR str2[] = {'s','t','r','(','2',')',':','"'};
212  static const WCHAR hex[] = {'h','e','x',':'};
213  static const WCHAR dword[] = {'d','w','o','r','d',':'};
214  static const WCHAR hexp[] = {'h','e','x','('};
215 
216  static const struct data_type data_types[] = { /* actual type */ /* type to assume for parsing */
217  { quote, 1, REG_SZ, REG_SZ },
218  { str, 5, REG_SZ, REG_SZ },
219  { str2, 8, REG_EXPAND_SZ, REG_SZ },
220  { hex, 4, REG_BINARY, REG_BINARY },
221  { dword, 6, REG_DWORD, REG_DWORD },
222  { hexp, 4, -1, REG_BINARY },
223  { NULL, 0, 0, 0 }
224  };
225 
226  const struct data_type *ptr;
227  int type;
228 
229  for (ptr = data_types; ptr->tag; ptr++) {
230  if (strncmpW( ptr->tag, *lpValue, ptr->len ))
231  continue;
232 
233  /* Found! */
234  *parse_type = ptr->parse_type;
235  type=ptr->type;
236  *lpValue+=ptr->len;
237  if (type == -1) {
238  WCHAR* end;
239 
240  /* "hex(xx):" is special */
241  type = (int)strtoulW( *lpValue , &end, 16 );
242  if (**lpValue=='\0' || *end!=')' || *(end+1)!=':') {
243  type=REG_NONE;
244  } else {
245  *lpValue = end + 2;
246  }
247  }
248  return type;
249  }
250  *parse_type=REG_NONE;
251  return REG_NONE;
252 }
253 
254 /******************************************************************************
255  * Replaces escape sequences with the characters.
256  */
258 {
259  int str_idx = 0; /* current character under analysis */
260  int val_idx = 0; /* the last character of the unescaped string */
261  int len = lstrlenW(str);
262  for (str_idx = 0; str_idx < len; str_idx++, val_idx++) {
263  if (str[str_idx] == '\\') {
264  str_idx++;
265  switch (str[str_idx]) {
266  case 'n':
267  str[val_idx] = '\n';
268  break;
269  case '\\':
270  case '"':
271  str[val_idx] = str[str_idx];
272  break;
273  default:
274  fprintf(stderr,"Warning! Unrecognized escape sequence: \\%c'\n",
275  str[str_idx]);
276  str[val_idx] = str[str_idx];
277  break;
278  }
279  } else {
280  str[val_idx] = str[str_idx];
281  }
282  }
283  str[val_idx] = '\0';
284 }
285 
286 static BOOL parseKeyName(LPWSTR lpKeyName, HKEY *hKey, LPWSTR *lpKeyPath)
287 {
288  WCHAR* lpSlash = NULL;
289  unsigned int i, len;
290 
291  if (lpKeyName == NULL)
292  return FALSE;
293 
294  for(i = 0; *(lpKeyName+i) != 0; i++)
295  {
296  if(*(lpKeyName+i) == '\\')
297  {
298  lpSlash = lpKeyName+i;
299  break;
300  }
301  }
302 
303  if (lpSlash)
304  {
305  len = lpSlash-lpKeyName;
306  }
307  else
308  {
309  len = lstrlenW(lpKeyName);
310  lpSlash = lpKeyName+len;
311  }
312  *hKey = NULL;
313 
314  for (i = 0; i < REG_CLASS_NUMBER; i++) {
315  if (CompareStringW(LOCALE_USER_DEFAULT, 0, lpKeyName, len, reg_class_namesW[i], len) == CSTR_EQUAL &&
316  len == lstrlenW(reg_class_namesW[i])) {
317  *hKey = reg_class_keys[i];
318  break;
319  }
320  }
321 
322  if (*hKey == NULL)
323  return FALSE;
324 
325 
326  if (*lpSlash != '\0')
327  lpSlash++;
328  *lpKeyPath = lpSlash;
329  return TRUE;
330 }
331 
332 /* Globals used by the setValue() & co */
335 
336 /******************************************************************************
337  * Sets the value with name val_name to the data in val_data for the currently
338  * opened key.
339  *
340  * Parameters:
341  * val_name - name of the registry value
342  * val_data - registry value data
343  */
344 static LONG setValue(WCHAR* val_name, WCHAR* val_data, BOOL is_unicode)
345 {
346  LONG res;
347  DWORD dwDataType, dwParseType;
348  LPBYTE lpbData;
349  DWORD dwData, dwLen;
350  WCHAR del[] = {'-',0};
351 
352  if ( (val_name == NULL) || (val_data == NULL) )
354 
355  if (lstrcmpW(val_data, del) == 0)
356  {
357  res=RegDeleteValueW(currentKeyHandle,val_name);
358  return (res == ERROR_FILE_NOT_FOUND ? ERROR_SUCCESS : res);
359  }
360 
361  /* Get the data type stored into the value field */
362  dwDataType = getDataType(&val_data, &dwParseType);
363 
364  if (dwParseType == REG_SZ) /* no conversion for string */
365  {
366  REGPROC_unescape_string(val_data);
367  /* Compute dwLen after REGPROC_unescape_string because it may
368  * have changed the string length and we don't want to store
369  * the extra garbage in the registry.
370  */
371  dwLen = lstrlenW(val_data);
372  if(val_data[dwLen-1] != '"')
373  return ERROR_INVALID_DATA;
374  if (dwLen>0 && val_data[dwLen-1]=='"')
375  {
376  dwLen--;
377  val_data[dwLen]='\0';
378  }
379  lpbData = (BYTE*) val_data;
380  dwLen++; /* include terminating null */
381  dwLen = dwLen * sizeof(WCHAR); /* size is in bytes */
382  }
383  else if (dwParseType == REG_DWORD) /* Convert the dword types */
384  {
385  if (!convertHexToDWord(val_data, &dwData))
386  return ERROR_INVALID_DATA;
387  lpbData = (BYTE*)&dwData;
388  dwLen = sizeof(dwData);
389  }
390  else if (dwParseType == REG_BINARY) /* Convert the binary data */
391  {
392  lpbData = convertHexCSVToHex(val_data, &dwLen);
393  if (!lpbData)
394  return ERROR_INVALID_DATA;
395 
396  if((dwDataType == REG_MULTI_SZ || dwDataType == REG_EXPAND_SZ) && !is_unicode)
397  {
398  LPBYTE tmp = lpbData;
399  lpbData = (LPBYTE)GetWideStringN((char*)lpbData, dwLen, &dwLen);
400  dwLen *= sizeof(WCHAR);
401  HeapFree(GetProcessHeap(), 0, tmp);
402  }
403  }
404  else /* unknown format */
405  {
406  fprintf(stderr,"%S: ERROR, unknown data format\n", getAppName());
407  return ERROR_INVALID_DATA;
408  }
409 
410  res = RegSetValueExW(
411  currentKeyHandle,
412  val_name,
413  0, /* Reserved */
414  dwDataType,
415  lpbData,
416  dwLen);
417  if (dwParseType == REG_BINARY)
418  HeapFree(GetProcessHeap(), 0, lpbData);
419  return res;
420 }
421 
422 /******************************************************************************
423  * A helper function for processRegEntry() that opens the current key.
424  * That key must be closed by calling closeKey().
425  */
426 static LONG openKeyW(WCHAR* stdInput)
427 {
428  HKEY keyClass;
429  WCHAR* keyPath;
430  DWORD dwDisp;
431  LONG res;
432 
433  /* Sanity checks */
434  if (stdInput == NULL)
436 
437  /* Get the registry class */
438  if (!parseKeyName(stdInput, &keyClass, &keyPath))
440 
441  res = RegCreateKeyExW(
442  keyClass, /* Class */
443  keyPath, /* Sub Key */
444  0, /* MUST BE 0 */
445  NULL, /* object type */
446  REG_OPTION_NON_VOLATILE, /* option, REG_OPTION_NON_VOLATILE ... */
447  KEY_ALL_ACCESS, /* access mask, KEY_ALL_ACCESS */
448  NULL, /* security attribute */
449  &currentKeyHandle, /* result */
450  &dwDisp); /* disposition, REG_CREATED_NEW_KEY or
451  REG_OPENED_EXISTING_KEY */
452 
453  if (res == ERROR_SUCCESS)
455  else
456  currentKeyHandle = NULL;
457 
458  return res;
459 
460 }
461 
462 /******************************************************************************
463  * Close the currently opened key.
464  */
465 static void closeKey(void)
466 {
467  if (currentKeyHandle)
468  {
470  RegCloseKey(currentKeyHandle);
471  currentKeyHandle = NULL;
472  }
473 }
474 
475 /******************************************************************************
476  * This function is a wrapper for the setValue function. It prepares the
477  * land and cleans the area once completed.
478  * Note: this function modifies the line parameter.
479  *
480  * line - registry file unwrapped line. Should have the registry value name and
481  * complete registry value data.
482  */
483 static void processSetValue(WCHAR* line, BOOL is_unicode)
484 {
485  WCHAR* val_name; /* registry value name */
486  WCHAR* val_data; /* registry value data */
487  int line_idx = 0; /* current character under analysis */
488  LONG res;
489 
490  /* get value name */
491  while ( isspaceW(line[line_idx]) ) line_idx++;
492  if (line[line_idx] == '@' && line[line_idx + 1] == '=') {
493  line[line_idx] = '\0';
494  val_name = line;
495  line_idx++;
496  } else if (line[line_idx] == '\"') {
497  line_idx++;
498  val_name = line + line_idx;
499  while (line[line_idx]) {
500  if (line[line_idx] == '\\') /* skip escaped character */
501  {
502  line_idx += 2;
503  } else {
504  if (line[line_idx] == '\"') {
505  line[line_idx] = '\0';
506  line_idx++;
507  break;
508  } else {
509  line_idx++;
510  }
511  }
512  }
513  while ( isspaceW(line[line_idx]) ) line_idx++;
514  if (!line[line_idx]) {
515  fprintf(stderr, "%S: warning: unexpected EOL\n", getAppName());
516  return;
517  }
518  if (line[line_idx] != '=') {
519  char* lineA;
520  line[line_idx] = '\"';
521  lineA = GetMultiByteString(line);
522  fprintf(stderr,"%S: warning: unrecognized line: '%s'\n", getAppName(), lineA);
523  HeapFree(GetProcessHeap(), 0, lineA);
524  return;
525  }
526 
527  } else {
528  char* lineA = GetMultiByteString(line);
529  fprintf(stderr,"%S: warning: unrecognized line: '%s'\n", getAppName(), lineA);
530  HeapFree(GetProcessHeap(), 0, lineA);
531  return;
532  }
533  line_idx++; /* skip the '=' character */
534 
535  while ( isspaceW(line[line_idx]) ) line_idx++;
536  val_data = line + line_idx;
537  /* trim trailing blanks */
538  line_idx = strlenW(val_data);
539  while (line_idx > 0 && isspaceW(val_data[line_idx-1])) line_idx--;
540  val_data[line_idx] = '\0';
541 
542  REGPROC_unescape_string(val_name);
543  res = setValue(val_name, val_data, is_unicode);
544  if ( res != ERROR_SUCCESS )
545  {
546  char* val_nameA = GetMultiByteString(val_name);
547  char* val_dataA = GetMultiByteString(val_data);
548  fprintf(stderr,"%S: ERROR Key %s not created. Value: %s, Data: %s\n",
549  getAppName(),
551  val_nameA,
552  val_dataA);
553  HeapFree(GetProcessHeap(), 0, val_nameA);
554  HeapFree(GetProcessHeap(), 0, val_dataA);
555  }
556 }
557 
558 /******************************************************************************
559  * This function receives the currently read entry and performs the
560  * corresponding action.
561  * isUnicode affects parsing of REG_MULTI_SZ values
562  */
563 static void processRegEntry(WCHAR* stdInput, BOOL isUnicode)
564 {
565  /*
566  * We encountered the end of the file, make sure we
567  * close the opened key and exit
568  */
569  if (stdInput == NULL) {
570  closeKey();
571  return;
572  }
573 
574  if ( stdInput[0] == '[') /* We are reading a new key */
575  {
576  WCHAR* keyEnd;
577  closeKey(); /* Close the previous key */
578 
579  /* Get rid of the square brackets */
580  stdInput++;
581  keyEnd = strrchrW(stdInput, ']');
582  if (keyEnd)
583  *keyEnd='\0';
584 
585  /* delete the key if we encounter '-' at the start of reg key */
586  if ( stdInput[0] == '-')
587  {
588  delete_registry_key(stdInput + 1);
589  } else if ( openKeyW(stdInput) != ERROR_SUCCESS )
590  {
591  char* stdInputA = GetMultiByteString(stdInput);
592  fprintf(stderr,"%S: setValue failed to open key %s\n",
593  getAppName(), stdInputA);
594  HeapFree(GetProcessHeap(), 0, stdInputA);
595  }
596  } else if( currentKeyHandle &&
597  (( stdInput[0] == '@') || /* reading a default @=data pair */
598  ( stdInput[0] == '\"'))) /* reading a new value=data pair */
599  {
600  processSetValue(stdInput, isUnicode);
601  } else
602  {
603  /* Since we are assuming that the file format is valid we must be
604  * reading a blank line which indicates the end of this key processing
605  */
606  closeKey();
607  }
608 }
609 
610 /******************************************************************************
611  * Processes a registry file.
612  * Correctly processes comments (in # and ; form), line continuation.
613  *
614  * Parameters:
615  * in - input stream to read from
616  * first_chars - beginning of stream, read due to Unicode check
617  */
618 static void processRegLinesA(FILE *in, char* first_chars)
619 {
620  LPSTR line = NULL; /* line read from input stream */
621  ULONG lineSize = REG_VAL_BUF_SIZE;
622 
623  line = HeapAlloc(GetProcessHeap(), 0, lineSize);
624  CHECK_ENOUGH_MEMORY(line);
625  memcpy(line, first_chars, 2);
626 
627  while (!feof(in)) {
628  LPSTR s; /* The pointer into line for where the current fgets should read */
629  WCHAR* lineW;
630  s = line;
631 
632  if(first_chars)
633  {
634  s += 2;
635  first_chars = NULL;
636  }
637 
638  for (;;) {
639  size_t size_remaining;
640  int size_to_get, i;
641  char *s_eol; /* various local uses */
642 
643  /* Do we need to expand the buffer ? */
644  assert (s >= line && s <= line + lineSize);
645  size_remaining = lineSize - (s-line);
646  if (size_remaining < 2) /* room for 1 character and the \0 */
647  {
648  char *new_buffer;
649  size_t new_size = lineSize + REG_VAL_BUF_SIZE;
650  if (new_size > lineSize) /* no arithmetic overflow */
651  new_buffer = HeapReAlloc (GetProcessHeap(), 0, line, new_size);
652  else
653  new_buffer = NULL;
654  CHECK_ENOUGH_MEMORY(new_buffer);
655  line = new_buffer;
656  s = line + lineSize - size_remaining;
657  lineSize = new_size;
658  size_remaining = lineSize - (s-line);
659  }
660 
661  /* Get as much as possible into the buffer, terminated either by
662  * eof, error, eol or getting the maximum amount. Abort on error.
663  */
664  size_to_get = (size_remaining > INT_MAX ? INT_MAX : size_remaining);
665 
666  /* get a single line. note that `i' must be one past the last
667  * meaningful character in `s' when this loop exits */
668  for(i = 0; i < size_to_get-1; ++i){
669  int xchar;
670 
671  xchar = fgetc(in);
672  s[i] = xchar;
673  if(xchar == EOF){
674  if(ferror(in)){
675  perror("While reading input");
676  exit(IO_ERROR);
677  }else
678  assert(feof(in));
679  break;
680  }
681  if(s[i] == '\r'){
682  /* read the next character iff it's \n */
683  if(i+2 >= size_to_get){
684  /* buffer too short, so put back the EOL char to
685  * read next cycle */
686  ungetc('\r', in);
687  break;
688  }
689  s[i+1] = fgetc(in);
690  if(s[i+1] != '\n'){
691  ungetc(s[i+1], in);
692  i = i+1;
693  }else
694  i = i+2;
695  break;
696  }
697  if(s[i] == '\n'){
698  i = i+1;
699  break;
700  }
701  }
702  s[i] = '\0';
703 
704  /* If we didn't read the eol nor the eof go around for the rest */
705  s_eol = strpbrk (s, "\r\n");
706  if (!feof (in) && !s_eol) {
707  s = strchr (s, '\0');
708  continue;
709  }
710 
711  /* If it is a comment line then discard it and go around again */
712  if (line [0] == '#' || line [0] == ';') {
713  s = line;
714  continue;
715  }
716 
717  /* Remove any line feed. Leave s_eol on the first \0 */
718  if (s_eol) {
719  if (*s_eol == '\r' && *(s_eol+1) == '\n')
720  *(s_eol+1) = '\0';
721  *s_eol = '\0';
722  } else
723  s_eol = strchr (s, '\0');
724 
725  /* If there is a concatenating \\ then go around again */
726  if (s_eol > line && *(s_eol-1) == '\\') {
727  int c;
728  s = s_eol-1;
729 
730  do
731  {
732  c = fgetc(in);
733  } while(c == ' ' || c == '\t');
734 
735  if(c == EOF)
736  {
737  fprintf(stderr,"%S: ERROR - invalid continuation.\n",
738  getAppName());
739  }
740  else
741  {
742  *s = c;
743  s++;
744  }
745  continue;
746  }
747 
748  lineW = GetWideString(line);
749 
750  break; /* That is the full virtual line */
751  }
752 
753  processRegEntry(lineW, FALSE);
754  HeapFree(GetProcessHeap(), 0, lineW);
755  }
757 
758  HeapFree(GetProcessHeap(), 0, line);
759 }
760 
761 static void processRegLinesW(FILE *in)
762 {
763  WCHAR* buf = NULL; /* line read from input stream */
764  ULONG lineSize = REG_VAL_BUF_SIZE;
765  size_t CharsInBuf = -1;
766 
767  WCHAR* s; /* The pointer into buf for where the current fgets should read */
768  WCHAR* line; /* The start of the current line */
769 
770  buf = HeapAlloc(GetProcessHeap(), 0, lineSize * sizeof(WCHAR));
771  CHECK_ENOUGH_MEMORY(buf);
772 
773  s = buf;
774  line = buf;
775 
776  while(!feof(in)) {
777  size_t size_remaining;
778  int size_to_get;
779  WCHAR *s_eol = NULL; /* various local uses */
780 
781  /* Do we need to expand the buffer ? */
782  assert (s >= buf && s <= buf + lineSize);
783  size_remaining = lineSize - (s-buf);
784  if (size_remaining < 2) /* room for 1 character and the \0 */
785  {
786  WCHAR *new_buffer;
787  size_t new_size = lineSize + (REG_VAL_BUF_SIZE / sizeof(WCHAR));
788  if (new_size > lineSize) /* no arithmetic overflow */
789  new_buffer = HeapReAlloc (GetProcessHeap(), 0, buf, new_size * sizeof(WCHAR));
790  else
791  new_buffer = NULL;
792  CHECK_ENOUGH_MEMORY(new_buffer);
793  buf = new_buffer;
794  line = buf;
795  s = buf + lineSize - size_remaining;
796  lineSize = new_size;
797  size_remaining = lineSize - (s-buf);
798  }
799 
800  /* Get as much as possible into the buffer, terminated either by
801  * eof, error or getting the maximum amount. Abort on error.
802  */
803  size_to_get = (size_remaining > INT_MAX ? INT_MAX : size_remaining);
804 
805  CharsInBuf = fread(s, sizeof(WCHAR), size_to_get - 1, in);
806  s[CharsInBuf] = 0;
807 
808  if (CharsInBuf == 0) {
809  if (ferror(in)) {
810  perror ("While reading input");
811  exit (IO_ERROR);
812  } else {
813  assert (feof(in));
814  *s = '\0';
815  /* It is not clear to me from the definition that the
816  * contents of the buffer are well defined on detecting
817  * an eof without managing to read anything.
818  */
819  }
820  }
821 
822  /* If we didn't read the eol nor the eof go around for the rest */
823  while(1)
824  {
825  const WCHAR line_endings[] = {'\r','\n',0};
826  s_eol = strpbrkW(line, line_endings);
827 
828  if(!s_eol) {
829  /* Move the stub of the line to the start of the buffer so
830  * we get the maximum space to read into, and so we don't
831  * have to recalculate 'line' if the buffer expands */
832  MoveMemory(buf, line, (strlenW(line)+1) * sizeof(WCHAR));
833  line = buf;
834  s = strchrW(line, '\0');
835  break;
836  }
837 
838  /* If it is a comment line then discard it and go around again */
839  if (*line == '#' || *line == ';') {
840  if (*s_eol == '\r' && *(s_eol+1) == '\n')
841  line = s_eol + 2;
842  else
843  line = s_eol + 1;
844  continue;
845  }
846 
847  /* If there is a concatenating \\ then go around again */
848  if (*(s_eol-1) == '\\') {
849  WCHAR* NextLine = s_eol + 1;
850 
851  if(*s_eol == '\r' && *(s_eol+1) == '\n')
852  NextLine++;
853 
854  while(isspaceW(*NextLine))
855  NextLine++;
856 
857  if (!*NextLine)
858  {
859  s = NextLine;
860  break;
861  }
862 
863  MoveMemory(s_eol - 1, NextLine, (CharsInBuf - (NextLine - s) + 1)*sizeof(WCHAR));
864  CharsInBuf -= NextLine - s_eol + 1;
865  s_eol = 0;
866  continue;
867  }
868 
869  /* Remove any line feed. Leave s_eol on the last \0 */
870  if (*s_eol == '\r' && *(s_eol + 1) == '\n')
871  *s_eol++ = '\0';
872  *s_eol = '\0';
873 
874  processRegEntry(line, TRUE);
875  line = s_eol + 1;
876  s_eol = 0;
877  continue; /* That is the full virtual line */
878  }
879  }
880 
882 
883  HeapFree(GetProcessHeap(), 0, buf);
884 }
885 
886 /****************************************************************************
887  * REGPROC_print_error
888  *
889  * Print the message for GetLastError
890  */
891 
892 static void REGPROC_print_error(void)
893 {
894  LPVOID lpMsgBuf;
896  int status;
897 
898  error_code = GetLastError ();
900  NULL, error_code, 0, (LPSTR) &lpMsgBuf, 0, NULL);
901  if (!status) {
902  fprintf(stderr,"%S: Cannot display message for error %lu, status %lu\n",
903  getAppName(), error_code, GetLastError());
904  exit(1);
905  }
906  puts(lpMsgBuf);
907  LocalFree(lpMsgBuf);
908  exit(1);
909 }
910 
911 /******************************************************************************
912  * Checks whether the buffer has enough room for the string or required size.
913  * Resizes the buffer if necessary.
914  *
915  * Parameters:
916  * buffer - pointer to a buffer for string
917  * len - current length of the buffer in characters.
918  * required_len - length of the string to place to the buffer in characters.
919  * The length does not include the terminating null character.
920  */
921 static void REGPROC_resize_char_buffer(WCHAR **buffer, DWORD *len, DWORD required_len)
922 {
923  required_len++;
924  if (required_len > *len) {
925  *len = required_len;
926  if (!*buffer)
927  *buffer = HeapAlloc(GetProcessHeap(), 0, *len * sizeof(**buffer));
928  else
929  *buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *len * sizeof(**buffer));
930  CHECK_ENOUGH_MEMORY(*buffer);
931  }
932 }
933 
934 /******************************************************************************
935  * Same as REGPROC_resize_char_buffer() but on a regular buffer.
936  *
937  * Parameters:
938  * buffer - pointer to a buffer
939  * len - current size of the buffer in bytes
940  * required_size - size of the data to place in the buffer in bytes
941  */
942 static void REGPROC_resize_binary_buffer(BYTE **buffer, DWORD *size, DWORD required_size)
943 {
944  if (required_size > *size) {
945  *size = required_size;
946  if (!*buffer)
947  *buffer = HeapAlloc(GetProcessHeap(), 0, *size);
948  else
949  *buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *size);
950  CHECK_ENOUGH_MEMORY(*buffer);
951  }
952 }
953 
954 /******************************************************************************
955  * Prints string str to file
956  */
957 static void REGPROC_export_string(WCHAR **line_buf, DWORD *line_buf_size, DWORD *line_len, WCHAR *str, DWORD str_len)
958 {
959  DWORD i, pos;
960  DWORD extra = 0;
961 
962  REGPROC_resize_char_buffer(line_buf, line_buf_size, *line_len + str_len + 10);
963 
964  /* escaping characters */
965  pos = *line_len;
966  for (i = 0; i < str_len; i++) {
967  WCHAR c = str[i];
968  switch (c) {
969  case '\n':
970  extra++;
971  REGPROC_resize_char_buffer(line_buf, line_buf_size, *line_len + str_len + extra);
972  (*line_buf)[pos++] = '\\';
973  (*line_buf)[pos++] = 'n';
974  break;
975 
976  case '\\':
977  case '"':
978  extra++;
979  REGPROC_resize_char_buffer(line_buf, line_buf_size, *line_len + str_len + extra);
980  (*line_buf)[pos++] = '\\';
981  /* Fall through */
982 
983  default:
984  (*line_buf)[pos++] = c;
985  break;
986  }
987  }
988  (*line_buf)[pos] = '\0';
989  *line_len = pos;
990 }
991 
992 static void REGPROC_export_binary(WCHAR **line_buf, DWORD *line_buf_size, DWORD *line_len, DWORD type, BYTE *value, DWORD value_size, BOOL unicode)
993 {
994  DWORD hex_pos, data_pos;
995  const WCHAR *hex_prefix;
996  const WCHAR hex[] = {'h','e','x',':',0};
997  WCHAR hex_buf[17];
998  const WCHAR concat[] = {'\\','\r','\n',' ',' ',0};
999  DWORD concat_prefix, concat_len;
1000  const WCHAR newline[] = {'\r','\n',0};
1001  CHAR* value_multibyte = NULL;
1002 
1003  if (type == REG_BINARY) {
1004  hex_prefix = hex;
1005  } else {
1006  const WCHAR hex_format[] = {'h','e','x','(','%','x',')',':',0};
1007  hex_prefix = hex_buf;
1008  sprintfW(hex_buf, hex_format, type);
1009  if ((type == REG_SZ || type == REG_EXPAND_SZ || type == REG_MULTI_SZ) && !unicode)
1010  {
1011  value_multibyte = GetMultiByteStringN((WCHAR*)value, value_size / sizeof(WCHAR), &value_size);
1012  value = (BYTE*)value_multibyte;
1013  }
1014  }
1015 
1016  concat_len = lstrlenW(concat);
1017  concat_prefix = 2;
1018 
1019  hex_pos = *line_len;
1020  *line_len += lstrlenW(hex_prefix);
1021  data_pos = *line_len;
1022  *line_len += value_size * 3;
1023  /* - The 2 spaces that concat places at the start of the
1024  * line effectively reduce the space available for data.
1025  * - If the value name and hex prefix are very long
1026  * ( > REG_FILE_HEX_LINE_LEN) or *line_len divides
1027  * without a remainder then we may overestimate
1028  * the needed number of lines by one. But that's ok.
1029  * - The trailing '\r' takes the place of a comma so
1030  * we only need to add 1 for the trailing '\n'
1031  */
1032  *line_len += *line_len / (REG_FILE_HEX_LINE_LEN - concat_prefix) * concat_len + 1;
1033  REGPROC_resize_char_buffer(line_buf, line_buf_size, *line_len);
1034  lstrcpyW(*line_buf + hex_pos, hex_prefix);
1035  if (value_size)
1036  {
1037  const WCHAR format[] = {'%','0','2','x',0};
1038  DWORD i, column;
1039 
1040  column = data_pos; /* no line wrap yet */
1041  i = 0;
1042  while (1)
1043  {
1044  sprintfW(*line_buf + data_pos, format, (unsigned int)value[i]);
1045  data_pos += 2;
1046  if (++i == value_size)
1047  break;
1048 
1049  (*line_buf)[data_pos++] = ',';
1050  column += 3;
1051 
1052  /* wrap the line */
1053  if (column >= REG_FILE_HEX_LINE_LEN) {
1054  lstrcpyW(*line_buf + data_pos, concat);
1055  data_pos += concat_len;
1056  column = concat_prefix;
1057  }
1058  }
1059  }
1060  lstrcpyW(*line_buf + data_pos, newline);
1061  HeapFree(GetProcessHeap(), 0, value_multibyte);
1062 }
1063 
1064 /******************************************************************************
1065  * Writes the given line to a file, in multi-byte or wide characters
1066  */
1067 static void REGPROC_write_line(FILE *file, const WCHAR* str, BOOL unicode)
1068 {
1069  if(unicode)
1070  {
1071  fwrite(str, sizeof(WCHAR), lstrlenW(str), file);
1072  } else
1073  {
1074  char* strA = GetMultiByteString(str);
1075  fputs(strA, file);
1076  HeapFree(GetProcessHeap(), 0, strA);
1077  }
1078 }
1079 
1080 /******************************************************************************
1081  * Writes contents of the registry key to the specified file stream.
1082  *
1083  * Parameters:
1084  * file - writable file stream to export registry branch to.
1085  * key - registry branch to export.
1086  * reg_key_name_buf - name of the key with registry class.
1087  * Is resized if necessary.
1088  * reg_key_name_size - length of the buffer for the registry class in characters.
1089  * val_name_buf - buffer for storing value name.
1090  * Is resized if necessary.
1091  * val_name_size - length of the buffer for storing value names in characters.
1092  * val_buf - buffer for storing values while extracting.
1093  * Is resized if necessary.
1094  * val_size - size of the buffer for storing values in bytes.
1095  */
1096 static void export_hkey(FILE *file, HKEY key,
1097  WCHAR **reg_key_name_buf, DWORD *reg_key_name_size,
1098  WCHAR **val_name_buf, DWORD *val_name_size,
1099  BYTE **val_buf, DWORD *val_size,
1100  WCHAR **line_buf, DWORD *line_buf_size,
1101  BOOL unicode)
1102 {
1103  DWORD max_sub_key_len;
1104  DWORD max_val_name_len;
1105  DWORD max_val_size;
1106  DWORD curr_len;
1107  DWORD i;
1108  BOOL more_data;
1109  LONG ret;
1110  WCHAR key_format[] = {'\r','\n','[','%','s',']','\r','\n',0};
1111 
1112  /* get size information and resize the buffers if necessary */
1113  if (RegQueryInfoKeyW(key, NULL, NULL, NULL, NULL,
1114  &max_sub_key_len, NULL,
1115  NULL, &max_val_name_len, &max_val_size, NULL, NULL
1116  ) != ERROR_SUCCESS) {
1118  }
1119  curr_len = strlenW(*reg_key_name_buf);
1120  REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_size,
1121  max_sub_key_len + curr_len + 1);
1122  REGPROC_resize_char_buffer(val_name_buf, val_name_size,
1123  max_val_name_len);
1124  REGPROC_resize_binary_buffer(val_buf, val_size, max_val_size);
1125  REGPROC_resize_char_buffer(line_buf, line_buf_size, lstrlenW(*reg_key_name_buf) + 4);
1126  /* output data for the current key */
1127  sprintfW(*line_buf, key_format, *reg_key_name_buf);
1128  REGPROC_write_line(file, *line_buf, unicode);
1129 
1130  /* print all the values */
1131  i = 0;
1132  more_data = TRUE;
1133  while(more_data) {
1134  DWORD value_type;
1135  DWORD val_name_size1 = *val_name_size;
1136  DWORD val_size1 = *val_size;
1137  ret = RegEnumValueW(key, i, *val_name_buf, &val_name_size1, NULL,
1138  &value_type, *val_buf, &val_size1);
1139  if (ret == ERROR_MORE_DATA) {
1140  /* Increase the size of the buffers and retry */
1141  REGPROC_resize_char_buffer(val_name_buf, val_name_size, val_name_size1);
1142  REGPROC_resize_binary_buffer(val_buf, val_size, val_size1);
1143  } else if (ret != ERROR_SUCCESS) {
1144  more_data = FALSE;
1145  if (ret != ERROR_NO_MORE_ITEMS) {
1147  }
1148  } else {
1149  DWORD line_len;
1150  i++;
1151 
1152  if ((*val_name_buf)[0]) {
1153  const WCHAR val_start[] = {'"','%','s','"','=',0};
1154 
1155  line_len = 0;
1156  REGPROC_export_string(line_buf, line_buf_size, &line_len, *val_name_buf, lstrlenW(*val_name_buf));
1157  REGPROC_resize_char_buffer(val_name_buf, val_name_size, lstrlenW(*line_buf) + 1);
1158  lstrcpyW(*val_name_buf, *line_buf);
1159 
1160  line_len = 3 + lstrlenW(*val_name_buf);
1161  REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len);
1162  sprintfW(*line_buf, val_start, *val_name_buf);
1163  } else {
1164  const WCHAR std_val[] = {'@','=',0};
1165  line_len = 2;
1166  REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len);
1167  lstrcpyW(*line_buf, std_val);
1168  }
1169 
1170  switch (value_type) {
1171  case REG_SZ:
1172  {
1173  WCHAR* wstr = (WCHAR*)*val_buf;
1174 
1175  if (val_size1 < sizeof(WCHAR) || val_size1 % sizeof(WCHAR) ||
1176  wstr[val_size1 / sizeof(WCHAR) - 1]) {
1177  REGPROC_export_binary(line_buf, line_buf_size, &line_len, value_type, *val_buf, val_size1, unicode);
1178  } else {
1179  const WCHAR start[] = {'"',0};
1180  const WCHAR end[] = {'"','\r','\n',0};
1181  DWORD len;
1182 
1183  len = lstrlenW(start);
1184  REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len + len);
1185  lstrcpyW(*line_buf + line_len, start);
1186  line_len += len;
1187 
1188  /* At this point we know wstr is '\0'-terminated
1189  * so we can subtract 1 from the size
1190  */
1191  REGPROC_export_string(line_buf, line_buf_size, &line_len, wstr, val_size1 / sizeof(WCHAR) - 1);
1192 
1193  REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len + lstrlenW(end));
1194  lstrcpyW(*line_buf + line_len, end);
1195  }
1196  break;
1197  }
1198 
1199  case REG_DWORD:
1200  {
1201  WCHAR format[] = {'d','w','o','r','d',':','%','0','8','x','\r','\n',0};
1202 
1203  REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len + 15);
1204  sprintfW(*line_buf + line_len, format, *((DWORD *)*val_buf));
1205  break;
1206  }
1207 
1208  default:
1209  {
1210  char* key_nameA = GetMultiByteString(*reg_key_name_buf);
1211  char* value_nameA = GetMultiByteString(*val_name_buf);
1212  fprintf(stderr,"%S: warning - unsupported registry format '%ld', "
1213  "treat as binary\n",
1214  getAppName(), value_type);
1215  fprintf(stderr,"key name: \"%s\"\n", key_nameA);
1216  fprintf(stderr,"value name:\"%s\"\n\n", value_nameA);
1217  HeapFree(GetProcessHeap(), 0, key_nameA);
1218  HeapFree(GetProcessHeap(), 0, value_nameA);
1219  }
1220  /* falls through */
1221  case REG_EXPAND_SZ:
1222  case REG_MULTI_SZ:
1223  /* falls through */
1224  case REG_BINARY:
1225  REGPROC_export_binary(line_buf, line_buf_size, &line_len, value_type, *val_buf, val_size1, unicode);
1226  }
1227  REGPROC_write_line(file, *line_buf, unicode);
1228  }
1229  }
1230 
1231  i = 0;
1232  more_data = TRUE;
1233  (*reg_key_name_buf)[curr_len] = '\\';
1234  while(more_data) {
1235  DWORD buf_size = *reg_key_name_size - curr_len - 1;
1236 
1237  ret = RegEnumKeyExW(key, i, *reg_key_name_buf + curr_len + 1, &buf_size,
1238  NULL, NULL, NULL, NULL);
1239  if (ret == ERROR_MORE_DATA) {
1240  /* Increase the size of the buffer and retry */
1241  REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_size, curr_len + 1 + buf_size);
1242  } else if (ret != ERROR_SUCCESS) {
1243  more_data = FALSE;
1244  if (ret != ERROR_NO_MORE_ITEMS) {
1246  }
1247  } else {
1248  HKEY subkey;
1249 
1250  i++;
1251  if (RegOpenKeyW(key, *reg_key_name_buf + curr_len + 1,
1252  &subkey) == ERROR_SUCCESS) {
1253  export_hkey(file, subkey, reg_key_name_buf, reg_key_name_size,
1254  val_name_buf, val_name_size, val_buf, val_size,
1255  line_buf, line_buf_size, unicode);
1256  RegCloseKey(subkey);
1257  } else {
1259  }
1260  }
1261  }
1262  (*reg_key_name_buf)[curr_len] = '\0';
1263 }
1264 
1265 /******************************************************************************
1266  * Open file in binary mode for export.
1267  */
1269 {
1270  FILE *file;
1271  WCHAR dash = '-';
1272 
1273  if (strncmpW(file_name,&dash,1)==0) {
1274  file=stdout;
1275  _setmode(_fileno(file), _O_BINARY);
1276  } else
1277  {
1278  CHAR* file_nameA = GetMultiByteString(file_name);
1279  file = fopen(file_nameA, "wb");
1280  if (!file) {
1281  perror("");
1282  fprintf(stderr,"%S: Can't open file \"%s\"\n", getAppName(), file_nameA);
1283  HeapFree(GetProcessHeap(), 0, file_nameA);
1284  exit(1);
1285  }
1286  HeapFree(GetProcessHeap(), 0, file_nameA);
1287  }
1288  if(unicode)
1289  {
1290  const BYTE unicode_seq[] = {0xff,0xfe};
1291  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'};
1292  fwrite(unicode_seq, sizeof(BYTE), sizeof(unicode_seq)/sizeof(unicode_seq[0]), file);
1293  fwrite(header, sizeof(WCHAR), sizeof(header)/sizeof(header[0]), file);
1294  } else
1295  {
1296  fputs("REGEDIT4\r\n", file);
1297  }
1298 
1299  return file;
1300 }
1301 
1302 /******************************************************************************
1303  * Writes contents of the registry key to the specified file stream.
1304  *
1305  * Parameters:
1306  * file_name - name of a file to export registry branch to.
1307  * reg_key_name - registry branch to export. The whole registry is exported if
1308  * reg_key_name is NULL or contains an empty string.
1309  */
1311 {
1312  WCHAR *reg_key_name_buf;
1313  WCHAR *val_name_buf;
1314  BYTE *val_buf;
1315  WCHAR *line_buf;
1316  DWORD reg_key_name_size = KEY_MAX_LEN;
1317  DWORD val_name_size = KEY_MAX_LEN;
1318  DWORD val_size = REG_VAL_BUF_SIZE;
1319  DWORD line_buf_size = KEY_MAX_LEN + REG_VAL_BUF_SIZE;
1320  FILE *file = NULL;
1321  BOOL unicode = (format == REG_FORMAT_5);
1322 
1323  reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0,
1324  reg_key_name_size * sizeof(*reg_key_name_buf));
1325  val_name_buf = HeapAlloc(GetProcessHeap(), 0,
1326  val_name_size * sizeof(*val_name_buf));
1327  val_buf = HeapAlloc(GetProcessHeap(), 0, val_size);
1328  line_buf = HeapAlloc(GetProcessHeap(), 0, line_buf_size * sizeof(*line_buf));
1329  CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf && line_buf);
1330 
1331  if (reg_key_name && reg_key_name[0]) {
1332  HKEY reg_key_class;
1333  WCHAR *branch_name = NULL;
1334  HKEY key;
1335 
1336  REGPROC_resize_char_buffer(&reg_key_name_buf, &reg_key_name_size,
1337  lstrlenW(reg_key_name));
1338  lstrcpyW(reg_key_name_buf, reg_key_name);
1339 
1340  /* open the specified key */
1341  if (!parseKeyName(reg_key_name, &reg_key_class, &branch_name)) {
1342  CHAR* key_nameA = GetMultiByteString(reg_key_name);
1343  fprintf(stderr,"%S: Incorrect registry class specification in '%s'\n",
1344  getAppName(), key_nameA);
1345  HeapFree(GetProcessHeap(), 0, key_nameA);
1346  exit(1);
1347  }
1348  if (!branch_name[0]) {
1349  /* no branch - registry class is specified */
1350  file = REGPROC_open_export_file(file_name, unicode);
1351  export_hkey(file, reg_key_class,
1352  &reg_key_name_buf, &reg_key_name_size,
1353  &val_name_buf, &val_name_size,
1354  &val_buf, &val_size, &line_buf,
1355  &line_buf_size, unicode);
1356  } else if (RegOpenKeyW(reg_key_class, branch_name, &key) == ERROR_SUCCESS) {
1357  file = REGPROC_open_export_file(file_name, unicode);
1358  export_hkey(file, key,
1359  &reg_key_name_buf, &reg_key_name_size,
1360  &val_name_buf, &val_name_size,
1361  &val_buf, &val_size, &line_buf,
1362  &line_buf_size, unicode);
1363  RegCloseKey(key);
1364  } else {
1365  CHAR* key_nameA = GetMultiByteString(reg_key_name);
1366  fprintf(stderr,"%S: Can't export. Registry key '%s' does not exist!\n",
1367  getAppName(), key_nameA);
1368  HeapFree(GetProcessHeap(), 0, key_nameA);
1370  }
1371  } else {
1372  unsigned int i;
1373 
1374  /* export all registry classes */
1375  file = REGPROC_open_export_file(file_name, unicode);
1376  for (i = 0; i < REG_CLASS_NUMBER; i++) {
1377  /* do not export HKEY_CLASSES_ROOT */
1378  if (reg_class_keys[i] != HKEY_CLASSES_ROOT &&
1379  reg_class_keys[i] != HKEY_CURRENT_USER &&
1380  reg_class_keys[i] != HKEY_CURRENT_CONFIG &&
1381  reg_class_keys[i] != HKEY_DYN_DATA) {
1382  lstrcpyW(reg_key_name_buf, reg_class_namesW[i]);
1383  export_hkey(file, reg_class_keys[i],
1384  &reg_key_name_buf, &reg_key_name_size,
1385  &val_name_buf, &val_name_size,
1386  &val_buf, &val_size, &line_buf,
1387  &line_buf_size, unicode);
1388  }
1389  }
1390  }
1391 
1392  if (file) {
1393  fclose(file);
1394  }
1395  HeapFree(GetProcessHeap(), 0, reg_key_name);
1396  HeapFree(GetProcessHeap(), 0, val_name_buf);
1397  HeapFree(GetProcessHeap(), 0, val_buf);
1398  HeapFree(GetProcessHeap(), 0, line_buf);
1399  return TRUE;
1400 }
1401 
1402 /******************************************************************************
1403  * Reads contents of the specified file into the registry.
1404  */
1406 {
1407  if (reg_file)
1408  {
1409  BYTE s[2];
1410  if (fread( s, 2, 1, reg_file) == 1)
1411  {
1412  if (s[0] == 0xff && s[1] == 0xfe)
1413  {
1414  processRegLinesW(reg_file);
1415  } else
1416  {
1417  processRegLinesA(reg_file, (char*)s);
1418  }
1419  }
1420  return TRUE;
1421  }
1422  return FALSE;
1423 }
1424 
1425 /******************************************************************************
1426  * Removes the registry key with all subkeys. Parses full key name.
1427  *
1428  * Parameters:
1429  * reg_key_name - full name of registry branch to delete. Ignored if is NULL,
1430  * empty, points to register key class, does not exist.
1431  */
1432 void delete_registry_key(WCHAR *reg_key_name)
1433 {
1434  WCHAR *key_name = NULL;
1435  HKEY key_class;
1436 
1437  if (!reg_key_name || !reg_key_name[0])
1438  return;
1439 
1440  if (!parseKeyName(reg_key_name, &key_class, &key_name)) {
1441  char* reg_key_nameA = GetMultiByteString(reg_key_name);
1442  fprintf(stderr,"%S: Incorrect registry class specification in '%s'\n",
1443  getAppName(), reg_key_nameA);
1444  HeapFree(GetProcessHeap(), 0, reg_key_nameA);
1445  exit(1);
1446  }
1447  if (!*key_name) {
1448  char* reg_key_nameA = GetMultiByteString(reg_key_name);
1449  fprintf(stderr,"%S: Can't delete registry class '%s'\n",
1450  getAppName(), reg_key_nameA);
1451  HeapFree(GetProcessHeap(), 0, reg_key_nameA);
1452  exit(1);
1453  }
1454 
1455  SHDeleteKey(key_class, key_name);
1456 }
#define HKEY_USERS
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