| /* | |
| * 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 "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" | |
| }; | |
| #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); \ | |
| } | |
| /****************************************************************************** | |
| * Converts a hex representation of a DWORD into a DWORD. | |
| */ | |
| static BOOL convertHexToDWord(char* str, DWORD *dw) | |
| { | |
| char dummy; | |
| if (strlen(str) > 8 || sscanf(str, "%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(char *str, DWORD *size) | |
| { | |
| char *s; | |
| BYTE *d, *data; | |
| /* The worst case is 1 digit + 1 comma per byte */ | |
| *size=(strlen(str)+1)/2; | |
| data=HeapAlloc(GetProcessHeap(), 0, *size); | |
| CHECK_ENOUGH_MEMORY(data); | |
| s = str; | |
| d = data; | |
| *size=0; | |
| while (*s != '\0') { | |
| UINT wc; | |
| char dummy; | |
| if (s[1] != ',' && s[1] != '\0' && s[2] != ',' && s[2] != '\0') { | |
| fprintf(stderr,"%s: ERROR converting CSV hex stream. Invalid sequence at '%s'\n", | |
| getAppName(), s); | |
| HeapFree(GetProcessHeap(), 0, data); | |
| return NULL; | |
| } | |
| if (sscanf(s, "%x%c", &wc, &dummy) < 1 || dummy != ',') { | |
| fprintf(stderr,"%s: ERROR converting CSV hex stream. Invalid value at '%s'\n", | |
| getAppName(), s); | |
| HeapFree(GetProcessHeap(), 0, data); | |
| return NULL; | |
| } | |
| *d++ =(BYTE)wc; | |
| (*size)++; | |
| s+=(wc < 0x10 ? 2 : 3); | |
| } | |
| 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(LPSTR *lpValue, DWORD* parse_type) | |
| { | |
| struct data_type { const char *tag; int len; int type; int parse_type; }; | |
| static const struct data_type data_types[] = { /* actual type */ /* type to assume for parsing */ | |
| { "\"", 1, REG_SZ, REG_SZ }, | |
| { "str:\"", 5, REG_SZ, REG_SZ }, | |
| { "str(2):\"", 8, REG_EXPAND_SZ, REG_SZ }, | |
| { "hex:", 4, REG_BINARY, REG_BINARY }, | |
| { "dword:", 6, REG_DWORD, REG_DWORD }, | |
| { "hex(", 4, -1, REG_BINARY }, | |
| { NULL, 0, 0, 0 } | |
| }; | |
| const struct data_type *ptr; | |
| int type; | |
| for (ptr = data_types; ptr->tag; ptr++) { | |
| if (memcmp( ptr->tag, *lpValue, ptr->len )) | |
| continue; | |
| /* Found! */ | |
| *parse_type = ptr->parse_type; | |
| type=ptr->type; | |
| *lpValue+=ptr->len; | |
| if (type == -1) { | |
| char* end; | |
| /* "hex(xx):" is special */ | |
| type = (int)strtoul( *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(LPSTR str) | |
| { | |
| int str_idx = 0; /* current character under analysis */ | |
| int val_idx = 0; /* the last character of the unescaped string */ | |
| int len = strlen(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; | |
| } | |
| /* 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(LPSTR val_name, LPSTR val_data) | |
| { | |
| LONG res; | |
| DWORD dwDataType, dwParseType; | |
| LPBYTE lpbData; | |
| DWORD dwData, dwLen; | |
| if ( (val_name == NULL) || (val_data == NULL) ) | |
| return ERROR_INVALID_PARAMETER; | |
| if (strcmp(val_data, "-") == 0) | |
| { | |
| res=RegDeleteValue(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 = strlen(val_data); | |
| if (dwLen>0 && val_data[dwLen-1]=='"') | |
| { | |
| dwLen--; | |
| val_data[dwLen]='\0'; | |
| } | |
| lpbData = (BYTE*) val_data; | |
| } | |
| 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 = RegSetValueEx( | |
| 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 openKey(LPSTR stdInput) | |
| { | |
| HKEY keyClass; | |
| LPSTR keyPath; | |
| DWORD dwDisp; | |
| LONG res; | |
| /* Sanity checks */ | |
| if (stdInput == NULL) | |
| return ERROR_INVALID_PARAMETER; | |
| /* Get the registry class */ | |
| if (!parseKeyName(stdInput, &keyClass, &keyPath)) | |
| return ERROR_INVALID_PARAMETER; | |
| res = RegCreateKeyEx( | |
| 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 = HeapAlloc(GetProcessHeap(), 0, strlen(stdInput)+1); | |
| CHECK_ENOUGH_MEMORY(currentKeyName); | |
| strcpy(currentKeyName, 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 clean 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(LPSTR line) | |
| { | |
| LPSTR val_name; /* registry value name */ | |
| LPSTR 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] != '=') { | |
| line[line_idx] = '\"'; | |
| fprintf(stderr,"Warning! unrecognized line:\n%s\n", line); | |
| return; | |
| } | |
| } else { | |
| fprintf(stderr,"Warning! unrecognized line:\n%s\n", line); | |
| 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 ) | |
| fprintf(stderr,"%s: ERROR Key %s not created. Value: %s, Data: %s\n", | |
| getAppName(), | |
| currentKeyName, | |
| val_name, | |
| val_data); | |
| } | |
| /****************************************************************************** | |
| * This function receives the currently read entry and performs the | |
| * corresponding action. | |
| */ | |
| static void processRegEntry(LPSTR 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 */ | |
| { | |
| LPSTR keyEnd; | |
| closeKey(); /* Close the previous key */ | |
| /* Get rid of the square brackets */ | |
| stdInput++; | |
| keyEnd = strrchr(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 ( openKey(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 processRegLines(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 */ | |
| 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); | |
| if (NULL == fgets (s, size_to_get, in)) { | |
| 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; | |
| } | |
| break; /* That is the full virtual line */ | |
| } | |
| processRegEntry(line); | |
| } | |
| processRegEntry(NULL); | |
| HeapFree(GetProcessHeap(), 0, line); | |
| } | |
| /**************************************************************************** | |
| * 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); | |
| 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 = 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; | |
| 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(LPTSTR filename) | |
| { | |
| FILE* reg_file = fopen(filename, "r"); | |
| if (reg_file) { | |
| processRegLines(reg_file); | |
| return TRUE; | |
| } | |
| return FALSE; | |
| } | |
| /****************************************************************************** | |
| * Recursive function which removes the registry key with all subkeys. | |
| */ | |
| static void delete_branch(HKEY key, | |
| CHAR **reg_key_name_buf, DWORD *reg_key_name_len) | |
| { | |
| HKEY branch_key; | |
| DWORD max_sub_key_len; | |
| DWORD subkeys; | |
| DWORD curr_len; | |
| LONG ret; | |
| long int i; | |
| if (RegOpenKey(key, *reg_key_name_buf, &branch_key) != ERROR_SUCCESS) { | |
| REGPROC_print_error(); | |
| } | |
| /* get size information and resize the buffers if necessary */ | |
| if (RegQueryInfoKey(branch_key, NULL, NULL, NULL, | |
| &subkeys, &max_sub_key_len, | |
| NULL, NULL, NULL, NULL, 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); | |
| (*reg_key_name_buf)[curr_len] = '\\'; | |
| for (i = subkeys - 1; i >= 0; i--) { | |
| DWORD buf_len = *reg_key_name_len - curr_len; | |
| ret = RegEnumKeyEx(branch_key, i, *reg_key_name_buf + curr_len + 1, | |
| &buf_len, NULL, NULL, NULL, NULL); | |
| if (ret != ERROR_SUCCESS && | |
| ret != ERROR_MORE_DATA && | |
| ret != ERROR_NO_MORE_ITEMS) { | |
| REGPROC_print_error(); | |
| } else { | |
| delete_branch(key, reg_key_name_buf, reg_key_name_len); | |
| } | |
| } | |
| (*reg_key_name_buf)[curr_len] = '\0'; | |
| RegCloseKey(branch_key); | |
| RegDeleteKey(key, *reg_key_name_buf); | |
| } | |
| /****************************************************************************** | |
| * 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(CHAR *reg_key_name) | |
| { | |
| CHAR *key_name; | |
| HKEY key_class; | |
| HKEY branch_key; | |
| if (!reg_key_name || !reg_key_name[0]) | |
| return; | |
| if (!parseKeyName(reg_key_name, &key_class, &key_name)) { | |
| fprintf(stderr,"%s: Incorrect registry class specification in '%s'\n", | |
| getAppName(), reg_key_name); | |
| exit(1); | |
| } | |
| if (!*key_name) { | |
| fprintf(stderr,"%s: Can't delete registry class '%s'\n", | |
| getAppName(), reg_key_name); | |
| exit(1); | |
| } | |
| /* open the specified key to make sure it exists */ | |
| if (RegOpenKey(key_class, key_name, &branch_key) == ERROR_SUCCESS) { | |
| CHAR *branch_name; | |
| DWORD branch_name_len; | |
| RegCloseKey(branch_key); | |
| /* Copy the key name to a new buffer that delete_branch() can | |
| * reallocate as needed | |
| */ | |
| branch_name_len = strlen(key_name); | |
| branch_name = HeapAlloc(GetProcessHeap(), 0, branch_name_len+1); | |
| CHECK_ENOUGH_MEMORY(branch_name); | |
| strcpy(branch_name, key_name); | |
| delete_branch(key_class, &branch_name, &branch_name_len); | |
| HeapFree(GetProcessHeap(), 0, branch_name); | |
| } | |
| } |