| /* |
| * Registry processing routines. Routines, common for registry |
| * processing frontends. |
| * |
| * Copyright 1999 Sylvain St-Germain |
| * Copyright 2002 Andriy Palamarchuk |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include <limits.h> |
| #include <stdio.h> |
| #include <windows.h> |
| #include <winnt.h> |
| #include <winreg.h> |
| #include <assert.h> |
| #include <wine/unicode.h> |
| #include "regproc.h" |
| |
| #define REG_VAL_BUF_SIZE 4096 |
| |
| /* maximal number of characters in hexadecimal data line, |
| not including '\' character */ |
| #define REG_FILE_HEX_LINE_LEN 76 |
| |
| static const CHAR *reg_class_names[] = { |
| "HKEY_LOCAL_MACHINE", "HKEY_USERS", "HKEY_CLASSES_ROOT", |
| "HKEY_CURRENT_CONFIG", "HKEY_CURRENT_USER", "HKEY_DYN_DATA" |
| }; |
| |
| static const WCHAR hkey_local_machine[] = {'H','K','E','Y','_','L','O','C','A','L','_','M','A','C','H','I','N','E',0}; |
| static const WCHAR hkey_users[] = {'H','K','E','Y','_','U','S','E','R','S',0}; |
| static const WCHAR hkey_classes_root[] = {'H','K','E','Y','_','C','L','A','S','S','E','S','_','R','O','O','T',0}; |
| static const WCHAR hkey_current_config[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','C','O','N','F','I','G',0}; |
| static const WCHAR hkey_current_user[] = {'H','K','E','Y','_','C','U','R','R','E','N','T','_','U','S','E','R',0}; |
| static const WCHAR hkey_dyn_data[] = {'H','K','E','Y','_','D','Y','N','_','D','A','T','A',0}; |
| |
| static const WCHAR *reg_class_namesW[] = {hkey_local_machine, hkey_users, |
| hkey_classes_root, hkey_current_config, |
| hkey_current_user, hkey_dyn_data |
| }; |
| |
| |
| #define REG_CLASS_NUMBER (sizeof(reg_class_names) / sizeof(reg_class_names[0])) |
| |
| static HKEY reg_class_keys[REG_CLASS_NUMBER] = { |
| HKEY_LOCAL_MACHINE, HKEY_USERS, HKEY_CLASSES_ROOT, |
| HKEY_CURRENT_CONFIG, HKEY_CURRENT_USER, HKEY_DYN_DATA |
| }; |
| |
| /* return values */ |
| #define NOT_ENOUGH_MEMORY 1 |
| #define IO_ERROR 2 |
| |
| /* processing macros */ |
| |
| /* common check of memory allocation results */ |
| #define CHECK_ENOUGH_MEMORY(p) \ |
| if (!(p)) \ |
| { \ |
| fprintf(stderr,"%s: file %s, line %d: Not enough memory\n", \ |
| getAppName(), __FILE__, __LINE__); \ |
| exit(NOT_ENOUGH_MEMORY); \ |
| } |
| |
| /****************************************************************************** |
| * Allocates memory and convers input from multibyte to wide chars |
| * Returned string must be freed by the caller |
| */ |
| WCHAR* GetWideString(const char* strA) |
| { |
| WCHAR* strW = NULL; |
| int len = MultiByteToWideChar(CP_ACP, 0, strA, -1, NULL, 0); |
| |
| strW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); |
| CHECK_ENOUGH_MEMORY(strW); |
| MultiByteToWideChar(CP_ACP, 0, strA, -1, strW, len); |
| return strW; |
| } |
| |
| /****************************************************************************** |
| * Allocates memory and convers input from wide chars to multibyte |
| * Returned string must be freed by the caller |
| */ |
| char* GetMultiByteString(const WCHAR* strW) |
| { |
| char* strA = NULL; |
| int len = WideCharToMultiByte(CP_ACP, 0, strW, -1, NULL, 0, NULL, NULL); |
| |
| strA = HeapAlloc(GetProcessHeap(), 0, len); |
| CHECK_ENOUGH_MEMORY(strA); |
| WideCharToMultiByte(CP_ACP, 0, strW, -1, strA, len, NULL, NULL); |
| return strA; |
| } |
| |
| /****************************************************************************** |
| * Converts a hex representation of a DWORD into a DWORD. |
| */ |
| static BOOL convertHexToDWord(WCHAR* str, DWORD *dw) |
| { |
| char buf[9]; |
| char dummy; |
| |
| WideCharToMultiByte(CP_ACP, 0, str, -1, buf, 9, NULL, NULL); |
| if (lstrlenW(str) > 8 || sscanf(buf, "%x%c", dw, &dummy) != 1) { |
| fprintf(stderr,"%s: ERROR, invalid hex value\n", getAppName()); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| /****************************************************************************** |
| * Converts a hex comma separated values list into a binary string. |
| */ |
| static BYTE* convertHexCSVToHex(WCHAR *strW, DWORD *size) |
| { |
| char *s; |
| BYTE *d, *data; |
| char* strA = GetMultiByteString(strW); |
| |
| /* The worst case is 1 digit + 1 comma per byte */ |
| *size=(strlen(strA)+1)/2; |
| data=HeapAlloc(GetProcessHeap(), 0, *size); |
| CHECK_ENOUGH_MEMORY(data); |
| |
| s = strA; |
| d = data; |
| *size=0; |
| while (*s != '\0') { |
| UINT wc; |
| char *end; |
| |
| wc = strtoul(s,&end,16); |
| if (end == s || wc > 0xff || (*end && *end != ',')) { |
| fprintf(stderr,"%s: ERROR converting CSV hex stream. Invalid value at '%s'\n", |
| getAppName(), s); |
| HeapFree(GetProcessHeap(), 0, data); |
| HeapFree(GetProcessHeap(), 0, strA); |
| return NULL; |
| } |
| *d++ =(BYTE)wc; |
| (*size)++; |
| if (*end) end++; |
| s = end; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, strA); |
| |
| return data; |
| } |
| |
| /****************************************************************************** |
| * This function returns the HKEY associated with the data type encoded in the |
| * value. It modifies the input parameter (key value) in order to skip this |
| * "now useless" data type information. |
| * |
| * Note: Updated based on the algorithm used in 'server/registry.c' |
| */ |
| static DWORD getDataType(LPWSTR *lpValue, DWORD* parse_type) |
| { |
| struct data_type { const WCHAR *tag; int len; int type; int parse_type; }; |
| |
| static const WCHAR quote[] = {'"'}; |
| static const WCHAR str[] = {'s','t','r',':','"'}; |
| static const WCHAR str2[] = {'s','t','r','(','2',')',':','"'}; |
| static const WCHAR hex[] = {'h','e','x',':'}; |
| static const WCHAR dword[] = {'d','w','o','r','d',':'}; |
| static const WCHAR hexp[] = {'h','e','x','('}; |
| |
| static const struct data_type data_types[] = { /* actual type */ /* type to assume for parsing */ |
| { quote, 1, REG_SZ, REG_SZ }, |
| { str, 5, REG_SZ, REG_SZ }, |
| { str2, 8, REG_EXPAND_SZ, REG_SZ }, |
| { hex, 4, REG_BINARY, REG_BINARY }, |
| { dword, 6, REG_DWORD, REG_DWORD }, |
| { hexp, 4, -1, REG_BINARY }, |
| { NULL, 0, 0, 0 } |
| }; |
| |
| const struct data_type *ptr; |
| int type; |
| |
| for (ptr = data_types; ptr->tag; ptr++) { |
| if (strncmpW( ptr->tag, *lpValue, ptr->len )) |
| continue; |
| |
| /* Found! */ |
| *parse_type = ptr->parse_type; |
| type=ptr->type; |
| *lpValue+=ptr->len; |
| if (type == -1) { |
| WCHAR* end; |
| |
| /* "hex(xx):" is special */ |
| type = (int)strtoulW( *lpValue , &end, 16 ); |
| if (**lpValue=='\0' || *end!=')' || *(end+1)!=':') { |
| type=REG_NONE; |
| } else { |
| *lpValue = end + 2; |
| } |
| } |
| return type; |
| } |
| *parse_type=REG_NONE; |
| return REG_NONE; |
| } |
| |
| /****************************************************************************** |
| * Replaces escape sequences with the characters. |
| */ |
| static void REGPROC_unescape_string(WCHAR* str) |
| { |
| int str_idx = 0; /* current character under analysis */ |
| int val_idx = 0; /* the last character of the unescaped string */ |
| int len = lstrlenW(str); |
| for (str_idx = 0; str_idx < len; str_idx++, val_idx++) { |
| if (str[str_idx] == '\\') { |
| str_idx++; |
| switch (str[str_idx]) { |
| case 'n': |
| str[val_idx] = '\n'; |
| break; |
| case '\\': |
| case '"': |
| str[val_idx] = str[str_idx]; |
| break; |
| default: |
| fprintf(stderr,"Warning! Unrecognized escape sequence: \\%c'\n", |
| str[str_idx]); |
| str[val_idx] = str[str_idx]; |
| break; |
| } |
| } else { |
| str[val_idx] = str[str_idx]; |
| } |
| } |
| str[val_idx] = '\0'; |
| } |
| |
| /****************************************************************************** |
| * Parses HKEY_SOME_ROOT\some\key\path to get the root key handle and |
| * extract the key path (what comes after the first '\'). |
| */ |
| static BOOL parseKeyName(LPSTR lpKeyName, HKEY *hKey, LPSTR *lpKeyPath) |
| { |
| LPSTR lpSlash; |
| unsigned int i, len; |
| |
| if (lpKeyName == NULL) |
| return FALSE; |
| |
| lpSlash = strchr(lpKeyName, '\\'); |
| if (lpSlash) |
| { |
| len = lpSlash-lpKeyName; |
| } |
| else |
| { |
| len = strlen(lpKeyName); |
| lpSlash = lpKeyName+len; |
| } |
| *hKey = NULL; |
| for (i = 0; i < REG_CLASS_NUMBER; i++) { |
| if (strncmp(lpKeyName, reg_class_names[i], len) == 0 && |
| len == strlen(reg_class_names[i])) { |
| *hKey = reg_class_keys[i]; |
| break; |
| } |
| } |
| if (*hKey == NULL) |
| return FALSE; |
| |
| if (*lpSlash != '\0') |
| lpSlash++; |
| *lpKeyPath = lpSlash; |
| return TRUE; |
| } |
| |
| static BOOL parseKeyNameW(LPWSTR lpKeyName, HKEY *hKey, LPWSTR *lpKeyPath) |
| { |
| WCHAR* lpSlash = NULL; |
| unsigned int i, len; |
| |
| if (lpKeyName == NULL) |
| return FALSE; |
| |
| for(i = 0; *(lpKeyName+i) != 0; i++) |
| { |
| if(*(lpKeyName+i) == '\\') |
| { |
| lpSlash = lpKeyName+i; |
| break; |
| } |
| } |
| |
| if (lpSlash) |
| { |
| len = lpSlash-lpKeyName; |
| } |
| else |
| { |
| len = lstrlenW(lpKeyName); |
| lpSlash = lpKeyName+len; |
| } |
| *hKey = NULL; |
| |
| for (i = 0; i < REG_CLASS_NUMBER; i++) { |
| if (CompareStringW(LOCALE_USER_DEFAULT, 0, lpKeyName, len, reg_class_namesW[i], len) == CSTR_EQUAL && |
| len == lstrlenW(reg_class_namesW[i])) { |
| *hKey = reg_class_keys[i]; |
| break; |
| } |
| } |
| |
| if (*hKey == NULL) |
| return FALSE; |
| |
| |
| if (*lpSlash != '\0') |
| lpSlash++; |
| *lpKeyPath = lpSlash; |
| return TRUE; |
| } |
| |
| /* Globals used by the setValue() & co */ |
| static LPSTR currentKeyName; |
| static HKEY currentKeyHandle = NULL; |
| |
| /****************************************************************************** |
| * Sets the value with name val_name to the data in val_data for the currently |
| * opened key. |
| * |
| * Parameters: |
| * val_name - name of the registry value |
| * val_data - registry value data |
| */ |
| static LONG setValue(WCHAR* val_name, WCHAR* val_data) |
| { |
| LONG res; |
| DWORD dwDataType, dwParseType; |
| LPBYTE lpbData; |
| DWORD dwData, dwLen; |
| WCHAR del[] = {'-',0}; |
| |
| if ( (val_name == NULL) || (val_data == NULL) ) |
| return ERROR_INVALID_PARAMETER; |
| |
| if (lstrcmpW(val_data, del) == 0) |
| { |
| res=RegDeleteValueW(currentKeyHandle,val_name); |
| return (res == ERROR_FILE_NOT_FOUND ? ERROR_SUCCESS : res); |
| } |
| |
| /* Get the data type stored into the value field */ |
| dwDataType = getDataType(&val_data, &dwParseType); |
| |
| if (dwParseType == REG_SZ) /* no conversion for string */ |
| { |
| REGPROC_unescape_string(val_data); |
| /* Compute dwLen after REGPROC_unescape_string because it may |
| * have changed the string length and we don't want to store |
| * the extra garbage in the registry. |
| */ |
| dwLen = lstrlenW(val_data); |
| if (dwLen>0 && val_data[dwLen-1]=='"') |
| { |
| dwLen--; |
| val_data[dwLen]='\0'; |
| } |
| lpbData = (BYTE*) val_data; |
| dwLen++; /* include terminating null */ |
| dwLen = dwLen * sizeof(WCHAR); /* size is in bytes */ |
| } |
| else if (dwParseType == REG_DWORD) /* Convert the dword types */ |
| { |
| if (!convertHexToDWord(val_data, &dwData)) |
| return ERROR_INVALID_DATA; |
| lpbData = (BYTE*)&dwData; |
| dwLen = sizeof(dwData); |
| } |
| else if (dwParseType == REG_BINARY) /* Convert the binary data */ |
| { |
| lpbData = convertHexCSVToHex(val_data, &dwLen); |
| if (!lpbData) |
| return ERROR_INVALID_DATA; |
| } |
| else /* unknown format */ |
| { |
| fprintf(stderr,"%s: ERROR, unknown data format\n", getAppName()); |
| return ERROR_INVALID_DATA; |
| } |
| |
| res = RegSetValueExW( |
| currentKeyHandle, |
| val_name, |
| 0, /* Reserved */ |
| dwDataType, |
| lpbData, |
| dwLen); |
| if (dwParseType == REG_BINARY) |
| HeapFree(GetProcessHeap(), 0, lpbData); |
| return res; |
| } |
| |
| /****************************************************************************** |
| * A helper function for processRegEntry() that opens the current key. |
| * That key must be closed by calling closeKey(). |
| */ |
| static LONG openKeyW(WCHAR* stdInput) |
| { |
| HKEY keyClass; |
| WCHAR* keyPath; |
| DWORD dwDisp; |
| LONG res; |
| |
| /* Sanity checks */ |
| if (stdInput == NULL) |
| return ERROR_INVALID_PARAMETER; |
| |
| /* Get the registry class */ |
| if (!parseKeyNameW(stdInput, &keyClass, &keyPath)) |
| return ERROR_INVALID_PARAMETER; |
| |
| res = RegCreateKeyExW( |
| keyClass, /* Class */ |
| keyPath, /* Sub Key */ |
| 0, /* MUST BE 0 */ |
| NULL, /* object type */ |
| REG_OPTION_NON_VOLATILE, /* option, REG_OPTION_NON_VOLATILE ... */ |
| KEY_ALL_ACCESS, /* access mask, KEY_ALL_ACCESS */ |
| NULL, /* security attribute */ |
| ¤tKeyHandle, /* result */ |
| &dwDisp); /* disposition, REG_CREATED_NEW_KEY or |
| REG_OPENED_EXISTING_KEY */ |
| |
| if (res == ERROR_SUCCESS) |
| currentKeyName = GetMultiByteString(stdInput); |
| else |
| currentKeyHandle = NULL; |
| |
| return res; |
| |
| } |
| |
| /****************************************************************************** |
| * Close the currently opened key. |
| */ |
| static void closeKey(void) |
| { |
| if (currentKeyHandle) |
| { |
| HeapFree(GetProcessHeap(), 0, currentKeyName); |
| RegCloseKey(currentKeyHandle); |
| currentKeyHandle = NULL; |
| } |
| } |
| |
| /****************************************************************************** |
| * This function is a wrapper for the setValue function. It prepares the |
| * land and cleans the area once completed. |
| * Note: this function modifies the line parameter. |
| * |
| * line - registry file unwrapped line. Should have the registry value name and |
| * complete registry value data. |
| */ |
| static void processSetValue(WCHAR* line) |
| { |
| WCHAR* val_name; /* registry value name */ |
| WCHAR* val_data; /* registry value data */ |
| int line_idx = 0; /* current character under analysis */ |
| LONG res; |
| |
| /* get value name */ |
| if (line[line_idx] == '@' && line[line_idx + 1] == '=') { |
| line[line_idx] = '\0'; |
| val_name = line; |
| line_idx++; |
| } else if (line[line_idx] == '\"') { |
| line_idx++; |
| val_name = line + line_idx; |
| while (TRUE) { |
| if (line[line_idx] == '\\') /* skip escaped character */ |
| { |
| line_idx += 2; |
| } else { |
| if (line[line_idx] == '\"') { |
| line[line_idx] = '\0'; |
| line_idx++; |
| break; |
| } else { |
| line_idx++; |
| } |
| } |
| } |
| if (line[line_idx] != '=') { |
| char* lineA; |
| line[line_idx] = '\"'; |
| lineA = GetMultiByteString(line); |
| fprintf(stderr,"Warning! unrecognized line:\n%s\n", lineA); |
| HeapFree(GetProcessHeap(), 0, lineA); |
| return; |
| } |
| |
| } else { |
| char* lineA = GetMultiByteString(line); |
| fprintf(stderr,"Warning! unrecognized line:\n%s\n", lineA); |
| HeapFree(GetProcessHeap(), 0, lineA); |
| return; |
| } |
| line_idx++; /* skip the '=' character */ |
| val_data = line + line_idx; |
| |
| REGPROC_unescape_string(val_name); |
| res = setValue(val_name, val_data); |
| if ( res != ERROR_SUCCESS ) |
| { |
| char* val_nameA = GetMultiByteString(val_name); |
| char* val_dataA = GetMultiByteString(val_data); |
| fprintf(stderr,"%s: ERROR Key %s not created. Value: %s, Data: %s\n", |
| getAppName(), |
| currentKeyName, |
| val_nameA, |
| val_dataA); |
| HeapFree(GetProcessHeap(), 0, val_nameA); |
| HeapFree(GetProcessHeap(), 0, val_dataA); |
| } |
| } |
| |
| /****************************************************************************** |
| * This function receives the currently read entry and performs the |
| * corresponding action. |
| */ |
| static void processRegEntry(WCHAR* stdInput) |
| { |
| /* |
| * We encountered the end of the file, make sure we |
| * close the opened key and exit |
| */ |
| if (stdInput == NULL) { |
| closeKey(); |
| return; |
| } |
| |
| if ( stdInput[0] == '[') /* We are reading a new key */ |
| { |
| WCHAR* keyEnd; |
| closeKey(); /* Close the previous key */ |
| |
| /* Get rid of the square brackets */ |
| stdInput++; |
| keyEnd = strrchrW(stdInput, ']'); |
| if (keyEnd) |
| *keyEnd='\0'; |
| |
| /* delete the key if we encounter '-' at the start of reg key */ |
| if ( stdInput[0] == '-') |
| { |
| delete_registry_key(stdInput + 1); |
| } else if ( openKeyW(stdInput) != ERROR_SUCCESS ) |
| { |
| fprintf(stderr,"%s: setValue failed to open key %s\n", |
| getAppName(), stdInput); |
| } |
| } else if( currentKeyHandle && |
| (( stdInput[0] == '@') || /* reading a default @=data pair */ |
| ( stdInput[0] == '\"'))) /* reading a new value=data pair */ |
| { |
| processSetValue(stdInput); |
| } else |
| { |
| /* Since we are assuming that the file format is valid we must be |
| * reading a blank line which indicates the end of this key processing |
| */ |
| closeKey(); |
| } |
| } |
| |
| /****************************************************************************** |
| * Processes a registry file. |
| * Correctly processes comments (in # form), line continuation. |
| * |
| * Parameters: |
| * in - input stream to read from |
| */ |
| void processRegLinesA(FILE *in) |
| { |
| LPSTR line = NULL; /* line read from input stream */ |
| ULONG lineSize = REG_VAL_BUF_SIZE; |
| |
| line = HeapAlloc(GetProcessHeap(), 0, lineSize); |
| CHECK_ENOUGH_MEMORY(line); |
| |
| while (!feof(in)) { |
| LPSTR s; /* The pointer into line for where the current fgets should read */ |
| LPSTR check; |
| WCHAR* lineW; |
| s = line; |
| for (;;) { |
| size_t size_remaining; |
| int size_to_get; |
| char *s_eol; /* various local uses */ |
| |
| /* Do we need to expand the buffer ? */ |
| assert (s >= line && s <= line + lineSize); |
| size_remaining = lineSize - (s-line); |
| if (size_remaining < 2) /* room for 1 character and the \0 */ |
| { |
| char *new_buffer; |
| size_t new_size = lineSize + REG_VAL_BUF_SIZE; |
| if (new_size > lineSize) /* no arithmetic overflow */ |
| new_buffer = HeapReAlloc (GetProcessHeap(), 0, line, new_size); |
| else |
| new_buffer = NULL; |
| CHECK_ENOUGH_MEMORY(new_buffer); |
| line = new_buffer; |
| s = line + lineSize - size_remaining; |
| lineSize = new_size; |
| size_remaining = lineSize - (s-line); |
| } |
| |
| /* Get as much as possible into the buffer, terminated either by |
| * eof, error, eol or getting the maximum amount. Abort on error. |
| */ |
| size_to_get = (size_remaining > INT_MAX ? INT_MAX : size_remaining); |
| |
| check = fgets (s, size_to_get, in); |
| |
| if (check == NULL) { |
| if (ferror(in)) { |
| perror ("While reading input"); |
| exit (IO_ERROR); |
| } else { |
| assert (feof(in)); |
| *s = '\0'; |
| /* It is not clear to me from the definition that the |
| * contents of the buffer are well defined on detecting |
| * an eof without managing to read anything. |
| */ |
| } |
| } |
| |
| /* If we didn't read the eol nor the eof go around for the rest */ |
| s_eol = strchr (s, '\n'); |
| if (!feof (in) && !s_eol) { |
| s = strchr (s, '\0'); |
| /* It should be s + size_to_get - 1 but this is safer */ |
| continue; |
| } |
| |
| /* If it is a comment line then discard it and go around again */ |
| if (line [0] == '#') { |
| s = line; |
| continue; |
| } |
| |
| /* Remove any line feed. Leave s_eol on the \0 */ |
| if (s_eol) { |
| *s_eol = '\0'; |
| if (s_eol > line && *(s_eol-1) == '\r') |
| *--s_eol = '\0'; |
| } else |
| s_eol = strchr (s, '\0'); |
| |
| /* If there is a concatenating \\ then go around again */ |
| if (s_eol > line && *(s_eol-1) == '\\') { |
| int c; |
| s = s_eol-1; |
| /* The following error protection could be made more self- |
| * correcting but I thought it not worth trying. |
| */ |
| if ((c = fgetc (in)) == EOF || c != ' ' || |
| (c = fgetc (in)) == EOF || c != ' ') |
| fprintf(stderr,"%s: ERROR - invalid continuation.\n", |
| getAppName()); |
| continue; |
| } |
| |
| lineW = GetWideString(line); |
| |
| break; /* That is the full virtual line */ |
| } |
| |
| processRegEntry(lineW); |
| HeapFree(GetProcessHeap(), 0, lineW); |
| } |
| processRegEntry(NULL); |
| |
| HeapFree(GetProcessHeap(), 0, line); |
| } |
| |
| void processRegLinesW(FILE *in) |
| { |
| WCHAR* buf = NULL; /* line read from input stream */ |
| ULONG lineSize = REG_VAL_BUF_SIZE; |
| size_t CharsInBuf = -1; |
| |
| WCHAR* s; /* The pointer into line for where the current fgets should read */ |
| |
| buf = HeapAlloc(GetProcessHeap(), 0, lineSize * sizeof(WCHAR)); |
| CHECK_ENOUGH_MEMORY(buf); |
| |
| s = buf; |
| |
| while(!feof(in)) { |
| size_t size_remaining; |
| int size_to_get; |
| WCHAR *s_eol = NULL; /* various local uses */ |
| |
| /* Do we need to expand the buffer ? */ |
| assert (s >= buf && s <= buf + lineSize); |
| size_remaining = lineSize - (s-buf); |
| if (size_remaining < 2) /* room for 1 character and the \0 */ |
| { |
| WCHAR *new_buffer; |
| size_t new_size = lineSize + (REG_VAL_BUF_SIZE / sizeof(WCHAR)); |
| if (new_size > lineSize) /* no arithmetic overflow */ |
| new_buffer = HeapReAlloc (GetProcessHeap(), 0, buf, new_size * sizeof(WCHAR)); |
| else |
| new_buffer = NULL; |
| CHECK_ENOUGH_MEMORY(new_buffer); |
| buf = new_buffer; |
| s = buf + lineSize - size_remaining; |
| lineSize = new_size; |
| size_remaining = lineSize - (s-buf); |
| } |
| |
| /* Get as much as possible into the buffer, terminated either by |
| * eof, error or getting the maximum amount. Abort on error. |
| */ |
| size_to_get = (size_remaining > INT_MAX ? INT_MAX : size_remaining); |
| |
| CharsInBuf = fread(s, sizeof(WCHAR), size_to_get - 1, in); |
| s[CharsInBuf] = 0; |
| |
| if (CharsInBuf == 0) { |
| if (ferror(in)) { |
| perror ("While reading input"); |
| exit (IO_ERROR); |
| } else { |
| assert (feof(in)); |
| *s = '\0'; |
| /* It is not clear to me from the definition that the |
| * contents of the buffer are well defined on detecting |
| * an eof without managing to read anything. |
| */ |
| } |
| } |
| |
| /* If we didn't read the eol nor the eof go around for the rest */ |
| while(1) |
| { |
| s_eol = strchrW(s, '\n'); |
| |
| if(!s_eol) |
| break; |
| |
| /* If it is a comment line then discard it and go around again */ |
| if (*s == '#') { |
| s = s_eol + 1; |
| continue; |
| } |
| |
| /* If there is a concatenating \\ then go around again */ |
| if ((*(s_eol-1) == '\\') || |
| (*(s_eol-1) == '\r' && *(s_eol-2) == '\\')) { |
| WCHAR* NextLine = s_eol; |
| |
| while(*(NextLine+1) == ' ' || *(NextLine+1) == '\t') |
| NextLine++; |
| |
| NextLine++; |
| |
| if(*(s_eol-1) == '\r') |
| s_eol--; |
| |
| MoveMemory(s_eol - 1, NextLine, (CharsInBuf - (NextLine - buf) + 1)*sizeof(WCHAR)); |
| CharsInBuf -= NextLine - s_eol + 1; |
| s_eol = 0; |
| continue; |
| } |
| |
| /* Remove any line feed. Leave s_eol on the \0 */ |
| if (s_eol) { |
| *s_eol = '\0'; |
| if (s_eol > buf && *(s_eol-1) == '\r') |
| *(s_eol-1) = '\0'; |
| } |
| |
| if(!s_eol) |
| break; |
| |
| processRegEntry(s); |
| s = s_eol + 1; |
| s_eol = 0; |
| continue; /* That is the full virtual line */ |
| } |
| } |
| |
| processRegEntry(NULL); |
| |
| HeapFree(GetProcessHeap(), 0, buf); |
| } |
| |
| /**************************************************************************** |
| * REGPROC_print_error |
| * |
| * Print the message for GetLastError |
| */ |
| |
| static void REGPROC_print_error(void) |
| { |
| LPVOID lpMsgBuf; |
| DWORD error_code; |
| int status; |
| |
| error_code = GetLastError (); |
| status = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, |
| NULL, error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL); |
| if (!status) { |
| fprintf(stderr,"%s: Cannot display message for error %d, status %d\n", |
| getAppName(), error_code, GetLastError()); |
| exit(1); |
| } |
| puts(lpMsgBuf); |
| LocalFree((HLOCAL)lpMsgBuf); |
| exit(1); |
| } |
| |
| /****************************************************************************** |
| * Checks whether the buffer has enough room for the string or required size. |
| * Resizes the buffer if necessary. |
| * |
| * Parameters: |
| * buffer - pointer to a buffer for string |
| * len - current length of the buffer in characters. |
| * required_len - length of the string to place to the buffer in characters. |
| * The length does not include the terminating null character. |
| */ |
| static void REGPROC_resize_char_buffer(CHAR **buffer, DWORD *len, DWORD required_len) |
| { |
| required_len++; |
| if (required_len > *len) { |
| *len = required_len; |
| if (!*buffer) |
| *buffer = HeapAlloc(GetProcessHeap(), 0, *len * sizeof(**buffer)); |
| else |
| *buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *len * sizeof(**buffer)); |
| CHECK_ENOUGH_MEMORY(*buffer); |
| } |
| } |
| |
| /****************************************************************************** |
| * Prints string str to file |
| */ |
| static void REGPROC_export_string(FILE *file, CHAR *str) |
| { |
| size_t len = strlen(str); |
| size_t i; |
| |
| /* escaping characters */ |
| for (i = 0; i < len; i++) { |
| CHAR c = str[i]; |
| switch (c) { |
| case '\\': |
| fputs("\\\\", file); |
| break; |
| case '\"': |
| fputs("\\\"", file); |
| break; |
| case '\n': |
| fputs("\\\n", file); |
| break; |
| default: |
| fputc(c, file); |
| break; |
| } |
| } |
| } |
| |
| /****************************************************************************** |
| * Writes contents of the registry key to the specified file stream. |
| * |
| * Parameters: |
| * file - writable file stream to export registry branch to. |
| * key - registry branch to export. |
| * reg_key_name_buf - name of the key with registry class. |
| * Is resized if necessary. |
| * reg_key_name_len - length of the buffer for the registry class in characters. |
| * val_name_buf - buffer for storing value name. |
| * Is resized if necessary. |
| * val_name_len - length of the buffer for storing value names in characters. |
| * val_buf - buffer for storing values while extracting. |
| * Is resized if necessary. |
| * val_size - size of the buffer for storing values in bytes. |
| */ |
| static void export_hkey(FILE *file, HKEY key, |
| CHAR **reg_key_name_buf, DWORD *reg_key_name_len, |
| CHAR **val_name_buf, DWORD *val_name_len, |
| BYTE **val_buf, DWORD *val_size) |
| { |
| DWORD max_sub_key_len; |
| DWORD max_val_name_len; |
| DWORD max_val_size; |
| DWORD curr_len; |
| DWORD i; |
| BOOL more_data; |
| LONG ret; |
| |
| /* get size information and resize the buffers if necessary */ |
| if (RegQueryInfoKey(key, NULL, NULL, NULL, NULL, |
| &max_sub_key_len, NULL, |
| NULL, &max_val_name_len, &max_val_size, NULL, NULL |
| ) != ERROR_SUCCESS) { |
| REGPROC_print_error(); |
| } |
| curr_len = strlen(*reg_key_name_buf); |
| REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_len, |
| max_sub_key_len + curr_len + 1); |
| REGPROC_resize_char_buffer(val_name_buf, val_name_len, |
| max_val_name_len); |
| if (max_val_size > *val_size) { |
| *val_size = max_val_size; |
| if (!*val_buf) *val_buf = HeapAlloc(GetProcessHeap(), 0, *val_size); |
| else *val_buf = HeapReAlloc(GetProcessHeap(), 0, *val_buf, *val_size); |
| CHECK_ENOUGH_MEMORY(val_buf); |
| } |
| |
| /* output data for the current key */ |
| fputs("\n[", file); |
| fputs(*reg_key_name_buf, file); |
| fputs("]\n", file); |
| /* print all the values */ |
| i = 0; |
| more_data = TRUE; |
| while(more_data) { |
| DWORD value_type; |
| DWORD val_name_len1 = *val_name_len; |
| DWORD val_size1 = *val_size; |
| ret = RegEnumValue(key, i, *val_name_buf, &val_name_len1, NULL, |
| &value_type, *val_buf, &val_size1); |
| if (ret != ERROR_SUCCESS) { |
| more_data = FALSE; |
| if (ret != ERROR_NO_MORE_ITEMS) { |
| REGPROC_print_error(); |
| } |
| } else { |
| i++; |
| |
| if ((*val_name_buf)[0]) { |
| fputs("\"", file); |
| REGPROC_export_string(file, *val_name_buf); |
| fputs("\"=", file); |
| } else { |
| fputs("@=", file); |
| } |
| |
| switch (value_type) { |
| case REG_SZ: |
| case REG_EXPAND_SZ: |
| fputs("\"", file); |
| if (val_size1) REGPROC_export_string(file, (char*) *val_buf); |
| fputs("\"\n", file); |
| break; |
| |
| case REG_DWORD: |
| fprintf(file, "dword:%08x\n", *((DWORD *)*val_buf)); |
| break; |
| |
| default: |
| fprintf(stderr,"%s: warning - unsupported registry format '%d', " |
| "treat as binary\n", |
| getAppName(), value_type); |
| fprintf(stderr,"key name: \"%s\"\n", *reg_key_name_buf); |
| fprintf(stderr,"value name:\"%s\"\n\n", *val_name_buf); |
| /* falls through */ |
| case REG_MULTI_SZ: |
| /* falls through */ |
| case REG_BINARY: { |
| DWORD i1; |
| const CHAR *hex_prefix; |
| CHAR buf[20]; |
| int cur_pos; |
| |
| if (value_type == REG_BINARY) { |
| hex_prefix = "hex:"; |
| } else { |
| hex_prefix = buf; |
| sprintf(buf, "hex(%d):", value_type); |
| } |
| |
| /* position of where the next character will be printed */ |
| /* NOTE: yes, strlen("hex:") is used even for hex(x): */ |
| cur_pos = strlen("\"\"=") + strlen("hex:") + |
| strlen(*val_name_buf); |
| |
| fputs(hex_prefix, file); |
| for (i1 = 0; i1 < val_size1; i1++) { |
| fprintf(file, "%02x", (unsigned int)(*val_buf)[i1]); |
| if (i1 + 1 < val_size1) { |
| fputs(",", file); |
| } |
| cur_pos += 3; |
| |
| /* wrap the line */ |
| if (cur_pos > REG_FILE_HEX_LINE_LEN) { |
| fputs("\\\n ", file); |
| cur_pos = 2; |
| } |
| } |
| fputs("\n", file); |
| break; |
| } |
| } |
| } |
| } |
| |
| i = 0; |
| more_data = TRUE; |
| (*reg_key_name_buf)[curr_len] = '\\'; |
| while(more_data) { |
| DWORD buf_len = *reg_key_name_len - curr_len; |
| |
| ret = RegEnumKeyEx(key, i, *reg_key_name_buf + curr_len + 1, &buf_len, |
| NULL, NULL, NULL, NULL); |
| if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA) { |
| more_data = FALSE; |
| if (ret != ERROR_NO_MORE_ITEMS) { |
| REGPROC_print_error(); |
| } |
| } else { |
| HKEY subkey; |
| |
| i++; |
| if (RegOpenKey(key, *reg_key_name_buf + curr_len + 1, |
| &subkey) == ERROR_SUCCESS) { |
| export_hkey(file, subkey, reg_key_name_buf, reg_key_name_len, |
| val_name_buf, val_name_len, val_buf, val_size); |
| RegCloseKey(subkey); |
| } else { |
| REGPROC_print_error(); |
| } |
| } |
| } |
| (*reg_key_name_buf)[curr_len] = '\0'; |
| } |
| |
| /****************************************************************************** |
| * Open file for export. |
| */ |
| static FILE *REGPROC_open_export_file(CHAR *file_name) |
| { |
| FILE *file; |
| |
| if (strcmp(file_name,"-")==0) |
| file=stdout; |
| else |
| { |
| file = fopen(file_name, "w"); |
| if (!file) { |
| perror(""); |
| fprintf(stderr,"%s: Can't open file \"%s\"\n", getAppName(), file_name); |
| exit(1); |
| } |
| } |
| fputs("REGEDIT4\n", file); |
| return file; |
| } |
| |
| /****************************************************************************** |
| * Writes contents of the registry key to the specified file stream. |
| * |
| * Parameters: |
| * file_name - name of a file to export registry branch to. |
| * reg_key_name - registry branch to export. The whole registry is exported if |
| * reg_key_name is NULL or contains an empty string. |
| */ |
| BOOL export_registry_key(CHAR *file_name, CHAR *reg_key_name) |
| { |
| CHAR *reg_key_name_buf; |
| CHAR *val_name_buf; |
| BYTE *val_buf; |
| DWORD reg_key_name_len = KEY_MAX_LEN; |
| DWORD val_name_len = KEY_MAX_LEN; |
| DWORD val_size = REG_VAL_BUF_SIZE; |
| FILE *file = NULL; |
| |
| reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0, |
| reg_key_name_len * sizeof(*reg_key_name_buf)); |
| val_name_buf = HeapAlloc(GetProcessHeap(), 0, |
| val_name_len * sizeof(*val_name_buf)); |
| val_buf = HeapAlloc(GetProcessHeap(), 0, val_size); |
| CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf); |
| |
| if (reg_key_name && reg_key_name[0]) { |
| HKEY reg_key_class; |
| CHAR *branch_name = NULL; |
| HKEY key; |
| |
| REGPROC_resize_char_buffer(®_key_name_buf, ®_key_name_len, |
| strlen(reg_key_name)); |
| strcpy(reg_key_name_buf, reg_key_name); |
| |
| /* open the specified key */ |
| if (!parseKeyName(reg_key_name, ®_key_class, &branch_name)) { |
| fprintf(stderr,"%s: Incorrect registry class specification in '%s'\n", |
| getAppName(), reg_key_name); |
| exit(1); |
| } |
| if (!branch_name[0]) { |
| /* no branch - registry class is specified */ |
| file = REGPROC_open_export_file(file_name); |
| export_hkey(file, reg_key_class, |
| ®_key_name_buf, ®_key_name_len, |
| &val_name_buf, &val_name_len, |
| &val_buf, &val_size); |
| } else if (RegOpenKey(reg_key_class, branch_name, &key) == ERROR_SUCCESS) { |
| file = REGPROC_open_export_file(file_name); |
| export_hkey(file, key, |
| ®_key_name_buf, ®_key_name_len, |
| &val_name_buf, &val_name_len, |
| &val_buf, &val_size); |
| RegCloseKey(key); |
| } else { |
| fprintf(stderr,"%s: Can't export. Registry key '%s' does not exist!\n", |
| getAppName(), reg_key_name); |
| REGPROC_print_error(); |
| } |
| } else { |
| unsigned int i; |
| |
| /* export all registry classes */ |
| file = REGPROC_open_export_file(file_name); |
| for (i = 0; i < REG_CLASS_NUMBER; i++) { |
| /* do not export HKEY_CLASSES_ROOT */ |
| if (reg_class_keys[i] != HKEY_CLASSES_ROOT && |
| reg_class_keys[i] != HKEY_CURRENT_USER && |
| reg_class_keys[i] != HKEY_CURRENT_CONFIG && |
| reg_class_keys[i] != HKEY_DYN_DATA) { |
| strcpy(reg_key_name_buf, reg_class_names[i]); |
| export_hkey(file, reg_class_keys[i], |
| ®_key_name_buf, ®_key_name_len, |
| &val_name_buf, &val_name_len, |
| &val_buf, &val_size); |
| } |
| } |
| } |
| |
| if (file) { |
| fclose(file); |
| } |
| HeapFree(GetProcessHeap(), 0, reg_key_name); |
| HeapFree(GetProcessHeap(), 0, val_buf); |
| return TRUE; |
| } |
| |
| /****************************************************************************** |
| * Reads contents of the specified file into the registry. |
| */ |
| BOOL import_registry_file(FILE* reg_file) |
| { |
| if (reg_file) |
| { |
| BYTE s[2]; |
| if (fread( s, 2, 1, reg_file) == 1) |
| { |
| if (s[0] == 0xff && s[1] == 0xfe) |
| { |
| processRegLinesW(reg_file); |
| } else |
| { |
| rewind(reg_file); |
| processRegLinesA(reg_file); |
| } |
| } |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /****************************************************************************** |
| * Removes the registry key with all subkeys. Parses full key name. |
| * |
| * Parameters: |
| * reg_key_name - full name of registry branch to delete. Ignored if is NULL, |
| * empty, points to register key class, does not exist. |
| */ |
| void delete_registry_key(WCHAR *reg_key_name) |
| { |
| WCHAR *key_name = NULL; |
| HKEY key_class; |
| |
| if (!reg_key_name || !reg_key_name[0]) |
| return; |
| |
| if (!parseKeyNameW(reg_key_name, &key_class, &key_name)) { |
| char* reg_key_nameA = GetMultiByteString(reg_key_name); |
| fprintf(stderr,"%s: Incorrect registry class specification in '%s'\n", |
| getAppName(), reg_key_nameA); |
| HeapFree(GetProcessHeap(), 0, reg_key_nameA); |
| exit(1); |
| } |
| if (!*key_name) { |
| char* reg_key_nameA = GetMultiByteString(reg_key_name); |
| fprintf(stderr,"%s: Can't delete registry class '%s'\n", |
| getAppName(), reg_key_nameA); |
| HeapFree(GetProcessHeap(), 0, reg_key_nameA); |
| exit(1); |
| } |
| |
| RegDeleteTreeW(key_class, key_name); |
| } |
