--- /dev/null
+/*
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
+#include <windows.h>
+#include <commctrl.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <memory.h>
+#include <tchar.h>
+#include <process.h>
+#include <stdio.h>
+
+#include <ctype.h>
+#include <limits.h>
+#include <winnt.h>
+#include <winreg.h>
+#include <assert.h>
+
+#include "regproc.h"
+
+
+#define REG_VAL_BUF_SIZE 4096
+
+/* Delimiters used to parse the "value" to query queryValue*/
+#define QUERY_VALUE_MAX_ARGS 1
+
+/* maximal number of characters in hexadecimal data line,
+ not including '\' character */
+#define REG_FILE_HEX_LINE_LEN 76
+
+/* Globals used by the api setValue, queryValue */
+static LPSTR currentKeyName = NULL;
+static HKEY currentKeyClass = 0;
+static HKEY currentKeyHandle = 0;
+static BOOL bTheKeyIsOpen = FALSE;
+
+static CHAR *app_name = "UNKNOWN";
+
+static CHAR *reg_class_names[] = {
+ "HKEY_LOCAL_MACHINE", "HKEY_USERS", "HKEY_CLASSES_ROOT",
+ "HKEY_CURRENT_CONFIG", "HKEY_CURRENT_USER"
+};
+
+#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
+};
+
+/* 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)) \
+ { \
+ printf("%s: file %s, line %d: Not enough memory", \
+ getAppName(), __FILE__, __LINE__); \
+ exit(NOT_ENOUGH_MEMORY); \
+ }
+
+/******************************************************************************
+ * This is a replacement for strsep which is not portable (missing on Solaris).
+ */
+#if 0
+/* DISABLED */
+char* getToken(char** str, const char* delims)
+{
+ char* token;
+
+ if (*str==NULL) {
+ /* No more tokens */
+ return NULL;
+ }
+
+ token=*str;
+ while (**str!='\0') {
+ if (strchr(delims,**str)!=NULL) {
+ **str='\0';
+ (*str)++;
+ return token;
+ }
+ (*str)++;
+ }
+ /* There is no other token */
+ *str=NULL;
+ return token;
+}
+#endif
+
+/******************************************************************************
+ * Copies file name from command line string to the buffer.
+ * Rewinds the command line string pointer to the next non-spece character
+ * after the file name.
+ * Buffer contains an empty string if no filename was found;
+ *
+ * params:
+ * command_line - command line current position pointer
+ * where *s[0] is the first symbol of the file name.
+ * file_name - buffer to write the file name to.
+ */
+void get_file_name(CHAR **command_line, CHAR *file_name)
+{
+ CHAR *s = *command_line;
+ int pos = 0; /* position of pointer "s" in *command_line */
+ file_name[0] = 0;
+
+ if (!s[0]) {
+ return;
+ }
+ if (s[0] == '"') {
+ s++;
+ (*command_line)++;
+ while (s[0] != '"') {
+ if (!s[0]) {
+ printf("%s: Unexpected end of file name!\n", getAppName());
+ exit(1);
+ }
+ s++;
+ pos++;
+ }
+ } else {
+ while (s[0] && !isspace(s[0])) {
+ s++;
+ pos++;
+ }
+ }
+ memcpy(file_name, *command_line, pos * sizeof((*command_line)[0]));
+ /* remove the last backslash */
+ if (file_name[pos - 1] == '\\') {
+ file_name[pos - 1] = '\0';
+ } else {
+ file_name[pos] = '\0';
+ }
+ if (s[0]) {
+ s++;
+ pos++;
+ }
+ while (s[0] && isspace(s[0])) {
+ s++;
+ pos++;
+ }
+ (*command_line) += pos;
+}
+
+
+/******************************************************************************
+ * Converts a hex representation of a DWORD into a DWORD.
+ */
+DWORD convertHexToDWord(char* str, BYTE* buf)
+{
+ DWORD dw;
+ char xbuf[9];
+
+ memcpy(xbuf, str, 8);
+ xbuf[8] = '\0';
+ sscanf(xbuf, "%08lx", &dw);
+ memcpy(buf, &dw, sizeof(DWORD));
+ return sizeof(DWORD);
+}
+
+/******************************************************************************
+ * Converts a hex buffer into a hex comma separated values
+ */
+char* convertHexToHexCSV(BYTE* buf, ULONG bufLen)
+{
+ char* str;
+ char* ptrStr;
+ BYTE* ptrBuf;
+
+ ULONG current = 0;
+ str = HeapAlloc(GetProcessHeap(), 0, (bufLen+1)*2);
+ memset(str, 0, (bufLen+1)*2);
+ ptrStr = str; /* Pointer to result */
+ ptrBuf = buf; /* Pointer to current */
+ while (current < bufLen) {
+ BYTE bCur = ptrBuf[current++];
+ char res[3];
+ sprintf(res, "%02x", (unsigned int)*&bCur);
+ strcat(str, res);
+ strcat(str, ",");
+ }
+ /* Get rid of the last comma */
+ str[strlen(str)-1] = '\0';
+ return str;
+}
+
+/******************************************************************************
+ * Converts a hex buffer into a DWORD string
+ */
+char* convertHexToDWORDStr(BYTE* buf, ULONG bufLen)
+{
+ char* str;
+ DWORD dw;
+
+ if (bufLen != sizeof(DWORD)) return NULL;
+ str = HeapAlloc(GetProcessHeap(), 0, (bufLen*2)+1);
+ memcpy(&dw, buf, sizeof(DWORD));
+ sprintf(str, "%08lx", dw);
+ /* Get rid of the last comma */
+ return str;
+}
+
+/******************************************************************************
+ * Converts a hex comma separated values list into a hex list.
+ * The Hex input string must be in exactly the correct form.
+ */
+DWORD convertHexCSVToHex(char* str, BYTE* buf, ULONG bufLen)
+{
+ char* s = str; /* Pointer to current */
+ char* b = buf; /* Pointer to result */
+ ULONG strLen = strlen(str);
+ ULONG strPos = 0;
+ DWORD byteCount = 0;
+
+ memset(buf, 0, bufLen);
+ /*
+ * warn the user if we are here with a string longer than 2 bytes that does
+ * not contains ",". It is more likely because the data is invalid.
+ */
+ if ((strLen > 2) && (strchr(str, ',') == NULL))
+ printf("%s: WARNING converting CSV hex stream with no comma, "
+ "input data seems invalid.\n", getAppName());
+ if (strLen > 3*bufLen)
+ printf ("%s: ERROR converting CSV hex stream. Too long\n", getAppName());
+ while (strPos < strLen) {
+ char xbuf[3];
+ char wc;
+ memcpy(xbuf, s, 2);
+ xbuf[3] = '\0';
+ sscanf(xbuf, "%02x", (UINT*)&wc);
+ if (byteCount < bufLen)
+ *b++ = (unsigned char)wc;
+ s += 3;
+ strPos += 3;
+ ++byteCount;
+ }
+ return byteCount;
+}
+
+/******************************************************************************
+ * 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'
+ */
+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;
+ }
+ return (**lpValue == '\0'?REG_SZ:REG_NONE);
+}
+
+/******************************************************************************
+ * Returns an allocated buffer with a cleaned copy (removed the surrounding
+ * dbl quotes) of the passed value.
+ */
+LPSTR getArg( LPSTR arg)
+{
+ LPSTR tmp = NULL;
+ ULONG len;
+
+ if (arg == NULL) return NULL;
+
+ // Get rid of surrounding quotes
+ len = strlen(arg);
+ if (arg[len-1] == '\"') arg[len-1] = '\0';
+ if (arg[0] == '\"') arg++;
+ tmp = HeapAlloc(GetProcessHeap(), 0, strlen(arg)+1);
+ strcpy(tmp, arg);
+ return tmp;
+}
+
+/******************************************************************************
+ * Replaces escape sequences with the characters.
+ */
+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:
+ printf("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';
+}
+
+/******************************************************************************
+ * 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
+ */
+HRESULT setValue(LPSTR val_name, LPSTR val_data)
+{
+ HRESULT hRes;
+ DWORD dwDataType, dwParseType;
+ LPBYTE lpbData;
+ BYTE convert[KEY_MAX_LEN];
+ BYTE *bBigBuffer = 0;
+ DWORD dwLen;
+
+ if ((val_name == NULL) || (val_data == NULL))
+ return ERROR_INVALID_PARAMETER;
+
+ /* Get the data type stored into the value field */
+ dwDataType = getDataType(&val_data, &dwParseType);
+
+ if (dwParseType == REG_SZ) { /* no conversion for string */
+ dwLen = strlen(val_data);
+ if (dwLen>0 && val_data[dwLen-1]=='"') {
+ dwLen--;
+ val_data[dwLen]='\0';
+ }
+ dwLen++;
+ REGPROC_unescape_string(val_data);
+ lpbData = val_data;
+ } else if (dwParseType == REG_DWORD) { /* Convert the dword types */
+ dwLen = convertHexToDWord(val_data, convert);
+ lpbData = convert;
+ } else { /* Convert the hexadecimal types */
+ int b_len = strlen (val_data)+2/3;
+ if (b_len > KEY_MAX_LEN) {
+ bBigBuffer = HeapAlloc (GetProcessHeap(), 0, b_len);
+ CHECK_ENOUGH_MEMORY(bBigBuffer);
+ dwLen = convertHexCSVToHex(val_data, bBigBuffer, b_len);
+ lpbData = bBigBuffer;
+ } else {
+ dwLen = convertHexCSVToHex(val_data, convert, KEY_MAX_LEN);
+ lpbData = convert;
+ }
+ }
+ hRes = RegSetValueExA(currentKeyHandle, val_name,
+ 0, /* Reserved */dwDataType, lpbData, dwLen);
+
+ if (bBigBuffer)
+ HeapFree(GetProcessHeap(), 0, bBigBuffer);
+ return hRes;
+}
+
+
+/******************************************************************************
+ * Open the key
+ */
+HRESULT openKey( LPSTR stdInput)
+{
+ DWORD dwDisp;
+ HRESULT hRes;
+
+ /* Sanity checks */
+ if (stdInput == NULL)
+ return ERROR_INVALID_PARAMETER;
+
+ /* Get the registry class */
+ currentKeyClass = getRegClass(stdInput); /* Sets global variable */
+ if (currentKeyClass == (HKEY)ERROR_INVALID_PARAMETER)
+ return (HRESULT)ERROR_INVALID_PARAMETER;
+
+ /* Get the key name */
+ currentKeyName = getRegKeyName(stdInput); /* Sets global variable */
+ if (currentKeyName == NULL)
+ return ERROR_INVALID_PARAMETER;
+
+ hRes = RegCreateKeyExA(
+ currentKeyClass, /* Class */
+ currentKeyName, /* 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 (hRes == ERROR_SUCCESS)
+ bTheKeyIsOpen = TRUE;
+
+ return hRes;
+
+}
+
+/******************************************************************************
+ * Extracts from [HKEY\some\key\path] or HKEY\some\key\path types of line
+ * the key name (what starts after the first '\')
+ */
+LPSTR getRegKeyName(LPSTR lpLine)
+{
+ LPSTR keyNameBeg;
+ char lpLineCopy[KEY_MAX_LEN];
+
+ if (lpLine == NULL)
+ return NULL;
+
+ strcpy(lpLineCopy, lpLine);
+ keyNameBeg = strchr(lpLineCopy, '\\'); /* The key name start by '\' */
+ if (keyNameBeg) {
+ LPSTR keyNameEnd;
+
+ keyNameBeg++; /* is not part of the name */
+ keyNameEnd = strchr(lpLineCopy, ']');
+ if (keyNameEnd) {
+ *keyNameEnd = '\0'; /* remove ']' from the key name */
+ }
+ } else {
+ keyNameBeg = lpLineCopy + strlen(lpLineCopy); /* branch - empty string */
+ }
+ currentKeyName = HeapAlloc(GetProcessHeap(), 0, strlen(keyNameBeg) + 1);
+ CHECK_ENOUGH_MEMORY(currentKeyName);
+ strcpy(currentKeyName, keyNameBeg);
+ return currentKeyName;
+}
+
+/******************************************************************************
+ * Extracts from [HKEY\some\key\path] or HKEY\some\key\path types of line
+ * the key class (what ends before the first '\')
+ */
+HKEY getRegClass(LPSTR lpClass)
+{
+ LPSTR classNameEnd;
+ LPSTR classNameBeg;
+ int i;
+
+ char lpClassCopy[KEY_MAX_LEN];
+
+ if (lpClass == NULL)
+ return (HKEY)ERROR_INVALID_PARAMETER;
+
+ strncpy(lpClassCopy, lpClass, KEY_MAX_LEN);
+
+ classNameEnd = strchr(lpClassCopy, '\\'); /* The class name ends by '\' */
+ if (!classNameEnd) { /* or the whole string */
+ classNameEnd = lpClassCopy + strlen(lpClassCopy);
+ if (classNameEnd[-1] == ']') {
+ classNameEnd--;
+ }
+ }
+ *classNameEnd = '\0'; /* Isolate the class name */
+ if (lpClassCopy[0] == '[') {
+ classNameBeg = lpClassCopy + 1;
+ } else {
+ classNameBeg = lpClassCopy;
+ }
+ for (i = 0; i < REG_CLASS_NUMBER; i++) {
+ if (!strcmp(classNameBeg, reg_class_names[i])) {
+ return reg_class_keys[i];
+ }
+ }
+ return (HKEY)ERROR_INVALID_PARAMETER;
+}
+
+/******************************************************************************
+ * Close the currently opened key.
+ */
+void closeKey(VOID)
+{
+ RegCloseKey(currentKeyHandle);
+ HeapFree(GetProcessHeap(), 0, currentKeyName); /* Allocated by getKeyName */
+ bTheKeyIsOpen = FALSE;
+ currentKeyName = NULL;
+ currentKeyClass = 0;
+ currentKeyHandle = 0;
+}
+
+/******************************************************************************
+ * This function is the main entry point to the setValue type of action. It
+ * receives the currently read line and dispatch the work depending on the
+ * context.
+ */
+void doSetValue(LPSTR stdInput)
+{
+ /*
+ * We encoutered the end of the file, make sure we
+ * close the opened key and exit
+ */
+ if (stdInput == NULL) {
+ if (bTheKeyIsOpen != FALSE)
+ closeKey();
+ return;
+ }
+
+ if ( stdInput[0] == '[') { /* We are reading a new key */
+ if ( bTheKeyIsOpen != FALSE )
+ closeKey(); /* Close the previous key before */
+ if ( openKey(stdInput) != ERROR_SUCCESS )
+ printf ("%s: doSetValue failed to open key %s\n", getAppName(), stdInput);
+ } else if (( bTheKeyIsOpen ) &&
+ (( 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 */
+ if (bTheKeyIsOpen) /* valid we must be reading a blank line which */
+ closeKey(); /* indicate end of this key processing */
+ }
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the queryValue type of action. It
+ * receives the currently read line and dispatch the work depending on the
+ * context.
+ */
+void doQueryValue(LPSTR stdInput) {
+ /*
+ * We encoutered the end of the file, make sure we
+ * close the opened key and exit
+ */
+ if (stdInput == NULL) {
+ if (bTheKeyIsOpen != FALSE)
+ closeKey();
+ return;
+ }
+
+ if (stdInput[0] == '[') { /* We are reading a new key */
+ if ( bTheKeyIsOpen != FALSE )
+ closeKey(); /* Close the previous key before */
+ if ( openKey(stdInput) != ERROR_SUCCESS )
+ printf ("%s: doSetValue failed to open key %s\n", getAppName(), stdInput);
+ }
+ else if( ( bTheKeyIsOpen ) &&
+ (( stdInput[0] == '@') || /* reading a default @=data pair */
+ ( stdInput[0] == '\"'))) { /* reading a new value=data pair */
+ processQueryValue(stdInput);
+ } else { /* since we are assuming that the file format is */
+ if ( bTheKeyIsOpen ) /* valid we must be reading a blank line which */
+ closeKey(); /* indicate end of this key processing */
+ }
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the deletetValue type of action. It
+ * receives the currently read line and dispatch the work depending on the
+ * context.
+ */
+void doDeleteValue(LPSTR line) {
+ printf ("%s: deleteValue not yet implemented\n", getAppName());
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the deleteKey type of action. It
+ * receives the currently read line and dispatch the work depending on the
+ * context.
+ */
+void doDeleteKey(LPSTR line) {
+ printf ("%s: deleteKey not yet implemented\n", getAppName());
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the createKey type of action. It
+ * receives the currently read line and dispatch the work depending on the
+ * context.
+ */
+void doCreateKey(LPSTR line) {
+ printf ("%s: createKey not yet implemented\n", getAppName());
+}
+
+/******************************************************************************
+ * 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.
+ */
+void processSetValue(LPSTR line)
+{
+ LPSTR val_name; /* registry value name */
+ LPSTR val_data; /* registry value data */
+
+ int line_idx = 0; /* current character under analysis */
+ HRESULT hRes = 0;
+
+ /* 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] = '\"';
+ printf("Warning! uncrecognized line:\n%s\n", line);
+ return;
+ }
+ } else {
+ printf("Warning! uncrecognized line:\n%s\n", line);
+ return;
+ }
+ line_idx++; /* skip the '=' character */
+ val_data = line + line_idx;
+ REGPROC_unescape_string(val_name);
+ hRes = setValue(val_name, val_data);
+ if ( hRes != ERROR_SUCCESS )
+ printf("%s: ERROR Key %s not created. Value: %s, Data: %s\n",
+ getAppName(), currentKeyName, val_name, val_data);
+}
+
+/******************************************************************************
+ * This function is a wrapper for the queryValue function. It prepares the
+ * land and clean the area once completed.
+ */
+void processQueryValue(LPSTR cmdline)
+{
+ printf("ERROR!!! - temporary disabled");
+ exit(1);
+#if 0
+ LPSTR argv[QUERY_VALUE_MAX_ARGS];/* args storage */
+ LPSTR token = NULL; /* current token analized */
+ ULONG argCounter = 0; /* counter of args */
+ INT counter;
+ HRESULT hRes = 0;
+ LPSTR keyValue = NULL;
+ LPSTR lpsRes = NULL;
+
+ /*
+ * Init storage and parse the line
+ */
+ for (counter = 0; counter < QUERY_VALUE_MAX_ARGS; counter++)
+ argv[counter] = NULL;
+
+ while ((token = getToken(&cmdline, queryValueDelim[argCounter])) != NULL) {
+ argv[argCounter++] = getArg(token);
+ if (argCounter == QUERY_VALUE_MAX_ARGS)
+ break; /* Stop processing args no matter what */
+ }
+
+ /* The value we look for is the first token on the line */
+ if (argv[0] == NULL)
+ return; /* SHOULD NOT HAPPEN */
+ else
+ keyValue = argv[0];
+
+ if ((keyValue[0] == '@') && (strlen(keyValue) == 1)) {
+ LONG lLen = KEY_MAX_LEN;
+ CHAR* lpsData = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,KEY_MAX_LEN);
+ /*
+ * We need to query the key default value
+ */
+ hRes = RegQueryValue(currentKeyHandle, currentKeyName, (LPBYTE)lpsData, &lLen);
+ if (hRes == ERROR_MORE_DATA) {
+ lpsData = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpsData, lLen);
+ hRes = RegQueryValue(currentKeyHandle, currentKeyName, (LPBYTE)lpsData, &lLen);
+ }
+ if (hRes == ERROR_SUCCESS) {
+ lpsRes = HeapAlloc(GetProcessHeap(), 0, lLen);
+ strncpy(lpsRes, lpsData, lLen);
+ lpsRes[lLen-1]='\0';
+ }
+ } else {
+ DWORD dwLen = KEY_MAX_LEN;
+ BYTE* lpbData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, KEY_MAX_LEN);
+ DWORD dwType;
+ /*
+ * We need to query a specific value for the key
+ */
+ hRes = RegQueryValueEx(
+ currentKeyHandle,
+ keyValue,
+ 0,
+ &dwType,
+ (LPBYTE)lpbData,
+ &dwLen);
+
+ if (hRes == ERROR_MORE_DATA) {
+ lpbData = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpbData, dwLen);
+ hRes = RegQueryValueEx(currentKeyHandle, keyValue, NULL, &dwType, (LPBYTE)lpbData, &dwLen);
+ }
+
+ if (hRes == ERROR_SUCCESS) {
+ /*
+ * Convert the returned data to a displayable format
+ */
+ switch (dwType) {
+ case REG_SZ:
+ case REG_EXPAND_SZ:
+ lpsRes = HeapAlloc(GetProcessHeap(), 0, dwLen);
+ strncpy(lpsRes, lpbData, dwLen);
+ lpsRes[dwLen-1] = '\0';
+ break;
+ case REG_DWORD:
+ lpsRes = convertHexToDWORDStr(lpbData, dwLen);
+ break;
+ default:
+ lpsRes = convertHexToHexCSV(lpbData, dwLen);
+ break;
+ }
+ }
+
+ HeapFree(GetProcessHeap(), 0, lpbData);
+ }
+ if (hRes == ERROR_SUCCESS)
+ printf("%s: Value \"%s\" = \"%s\" in key [%s]\n",
+ getAppName(), keyValue, lpsRes, currentKeyName);
+
+ else
+ printf("%s: ERROR Value \"%s\" not found. for key \"%s\"\n",
+ getAppName(), keyValue, currentKeyName);
+
+ /*
+ * Do some cleanup
+ */
+ for (counter=0; counter<argCounter; counter++)
+ if (argv[counter] != NULL)
+ HeapFree(GetProcessHeap(), 0, argv[counter]);
+
+ if (lpsRes != NULL)
+ HeapFree(GetProcessHeap(), 0, lpsRes);
+#endif
+}
+
+/******************************************************************************
+ * Calls command for each line of a registry file.
+ * Correctly processes comments (in # form), line continuation.
+ *
+ * Parameters:
+ * in - input stream to read from
+ * command - command to be called for each line
+ */
+void processRegLines(FILE *in, CommandAPI command)
+{
+ 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 != ' ')
+ printf ("%s: ERROR - invalid continuation.\n", getAppName());
+ continue;
+ }
+
+ break; /* That is the full virtual line */
+ }
+
+ command(line);
+ }
+ command(NULL);
+ HeapFree(GetProcessHeap(), 0, line);
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the registerDLL action. It
+ * receives the currently read line, then loads and registers the requested DLLs
+ */
+void doRegisterDLL(LPSTR stdInput)
+{
+ HMODULE theLib = 0;
+ UINT retVal = 0;
+
+ /* Check for valid input */
+ if (stdInput == NULL) return;
+
+ /* Load and register the library, then free it */
+ theLib = LoadLibraryA(stdInput);
+ if (theLib) {
+ FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllRegisterServer");
+ if (lpfnDLLRegProc)
+ retVal = (*lpfnDLLRegProc)();
+ else
+ printf("%s: Couldn't find DllRegisterServer proc in '%s'.\n", getAppName(), stdInput);
+ if (retVal != S_OK)
+ printf("%s: DLLRegisterServer error 0x%x in '%s'.\n", getAppName(), retVal, stdInput);
+ FreeLibrary(theLib);
+ } else {
+ printf("%s: Could not load DLL '%s'.\n", getAppName(), stdInput);
+ }
+}
+
+/******************************************************************************
+ * This funtion is the main entry point to the unregisterDLL action. It
+ * receives the currently read line, then loads and unregisters the requested DLLs
+ */
+void doUnregisterDLL(LPSTR stdInput)
+{
+ HMODULE theLib = 0;
+ UINT retVal = 0;
+
+ /* Check for valid input */
+ if (stdInput == NULL) return;
+
+ /* Load and unregister the library, then free it */
+ theLib = LoadLibraryA(stdInput);
+ if (theLib) {
+ FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllUnregisterServer");
+ if (lpfnDLLRegProc)
+ retVal = (*lpfnDLLRegProc)();
+ else
+ printf("%s: Couldn't find DllUnregisterServer proc in '%s'.\n", getAppName(), stdInput);
+ if (retVal != S_OK)
+ printf("%s: DLLUnregisterServer error 0x%x in '%s'.\n", getAppName(), retVal, stdInput);
+ FreeLibrary(theLib);
+ } else {
+ printf("%s: Could not load DLL '%s'.\n", getAppName(), stdInput);
+ }
+}
+
+/****************************************************************************
+ * REGPROC_print_error
+ *
+ * Print the message for GetLastError
+ */
+
+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) {
+ printf("%s: Cannot display message for error %ld, status %ld\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.
+ */
+void REGPROC_resize_char_buffer(CHAR **buffer, DWORD *len, DWORD required_len)
+{
+ required_len++;
+ if (required_len > *len) {
+ *len = required_len;
+ *buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *len * sizeof(**buffer));
+ CHECK_ENOUGH_MEMORY(*buffer);
+ }
+}
+
+/******************************************************************************
+ * Prints string str to file
+ */
+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.
+ */
+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;
+ *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 = RegEnumValueA(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, *val_buf);
+ fputs("\"\n", file);
+ break;
+ case REG_DWORD:
+ fprintf(file, "dword:%08lx\n", *((DWORD *)*val_buf));
+ break;
+ default:
+ printf("%s: warning - unsupported registry format '%ld', "
+ "treat as binary\n", getAppName(), value_type);
+ printf("key name: \"%s\"\n", *reg_key_name_buf);
+ printf("value name:\"%s\"\n\n", *val_name_buf);
+ /* falls through */
+ case REG_MULTI_SZ:
+ /* falls through */
+ case REG_BINARY:
+ {
+ DWORD i1;
+ CHAR *hex_prefix;
+ CHAR buf[20];
+ int cur_pos;
+
+ if (value_type == REG_BINARY) {
+ hex_prefix = "hex:";
+ } else {
+ hex_prefix = buf;
+ sprintf(buf, "hex(%ld):", 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 = RegEnumKeyExA(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 (RegOpenKeyA(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.
+ */
+FILE *REGPROC_open_export_file(CHAR *file_name)
+{
+ FILE *file = fopen(file_name, "w");
+ if (!file) {
+ perror("");
+ printf("%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.
+ */
+void export_registry_key(CHAR* file_name, CHAR* reg_key_name)
+{
+ HKEY reg_key_class;
+
+ 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]) {
+ 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 */
+ reg_key_class = getRegClass(reg_key_name);
+ if (reg_key_class == (HKEY)ERROR_INVALID_PARAMETER) {
+ printf("%s: Incorrect registry class specification in '%s'\n",
+ getAppName(), reg_key_name);
+ exit(1);
+ }
+ branch_name = getRegKeyName(reg_key_name);
+ CHECK_ENOUGH_MEMORY(branch_name);
+ 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 (RegOpenKeyA(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 {
+ printf("%s: Can't export. Registry key '%s' does not exist!\n",
+ getAppName(), reg_key_name);
+ REGPROC_print_error();
+ }
+ HeapFree(GetProcessHeap(), 0, branch_name);
+ } else {
+ 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) {
+ 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);
+}
+
+/******************************************************************************
+ * Recursive function which removes the registry key with all subkeys.
+ */
+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 (RegOpenKeyA(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 = RegEnumKeyExA(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);
+ RegDeleteKeyA(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* branch_name;
+ DWORD branch_name_len;
+ HKEY reg_key_class;
+ HKEY branch_key;
+
+ if (!reg_key_name || !reg_key_name[0])
+ return;
+ /* open the specified key */
+ reg_key_class = getRegClass(reg_key_name);
+ if (reg_key_class == (HKEY)ERROR_INVALID_PARAMETER) {
+ printf("%s: Incorrect registry class specification in '%s'\n", getAppName(), reg_key_name);
+ exit(1);
+ }
+ branch_name = getRegKeyName(reg_key_name);
+ CHECK_ENOUGH_MEMORY(branch_name);
+ branch_name_len = strlen(branch_name);
+ if (!branch_name[0]) {
+ printf("%s: Can't delete registry class '%s'\n", getAppName(), reg_key_name);
+ exit(1);
+ }
+ if (RegOpenKeyA(reg_key_class, branch_name, &branch_key) == ERROR_SUCCESS) {
+ /* check whether the key exists */
+ RegCloseKey(branch_key);
+ delete_branch(reg_key_class, &branch_name, &branch_name_len);
+ }
+ HeapFree(GetProcessHeap(), 0, branch_name);
+}
+
+/******************************************************************************
+ * Sets the application name. Then application name is used in the error
+ * reporting.
+ */
+void setAppName(CHAR* name)
+{
+ app_name = name;
+}
+
+CHAR* getAppName(VOID)
+{
+ return app_name;
+}
+