| /* |
| * 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 |
| |
| /* Globals used by the api setValue */ |
| static LPSTR currentKeyName = NULL; |
| static HKEY currentKeyClass = 0; |
| static HKEY currentKeyHandle = 0; |
| static BOOL bTheKeyIsOpen = FALSE; |
| |
| static const CHAR *app_name = "UNKNOWN"; |
| |
| 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", \ |
| 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-space 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]) { |
| fprintf(stderr,"%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,"%08x",&dw); |
| memcpy(buf,&dw,sizeof(DWORD)); |
| return sizeof(DWORD); |
| } |
| |
| /****************************************************************************** |
| * 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 = (char*) 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) ) |
| fprintf(stderr,"%s: WARNING converting CSV hex stream with no comma, " |
| "input data seems invalid.\n", getAppName()); |
| if (strLen > 3*bufLen) |
| fprintf(stderr,"%s: ERROR converting CSV hex stream. Too long\n", |
| getAppName()); |
| |
| while (strPos < strLen) { |
| char xbuf[3]; |
| UINT wc; |
| |
| memcpy(xbuf,s,2); xbuf[2]='\0'; |
| sscanf(xbuf,"%02x",&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); |
| CHECK_ENOUGH_MEMORY(tmp); |
| strcpy(tmp, arg); |
| |
| return tmp; |
| } |
| |
| /****************************************************************************** |
| * 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'; |
| } |
| |
| /****************************************************************************** |
| * 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; |
| |
| if (val_data[0] == '-') |
| return RegDeleteValue(currentKeyHandle,val_name); |
| |
| /* 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 */ |
| { |
| 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 = RegSetValueEx( |
| currentKeyHandle, |
| val_name, |
| 0, /* Reserved */ |
| dwDataType, |
| lpbData, |
| dwLen); |
| |
| 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 = RegCreateKeyEx( |
| 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) { |
| keyNameBeg++; /* is not part of the name */ |
| |
| if (lpLine[0] == '[') /* need to find matching ']' */ |
| { |
| LPSTR keyNameEnd; |
| |
| keyNameEnd = strrchr(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; |
| unsigned int i; |
| |
| char lpClassCopy[KEY_MAX_LEN]; |
| |
| if (lpClass == NULL) |
| return (HKEY)ERROR_INVALID_PARAMETER; |
| |
| lstrcpynA(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 encountered 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 */ |
| |
| /* delete the key if we encounter '-' at the start of reg key */ |
| if ( stdInput[1] == '-') |
| { |
| int last_chr = strlen(stdInput) - 1; |
| |
| /* skip leading "[-" and get rid of trailing "]" */ |
| if (stdInput[last_chr] == ']') |
| stdInput[last_chr] = '\0'; |
| delete_registry_key(stdInput+2); |
| return; |
| } |
| |
| if ( openKey(stdInput) != ERROR_SUCCESS ) |
| fprintf(stderr,"%s: setValue 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 valid we must */ |
| if ( bTheKeyIsOpen ) /* be reading a blank line which */ |
| closeKey(); /* indicate end of this key processing */ |
| } |
| } |
| |
| /****************************************************************************** |
| * This function is the main entry point to the deleteValue type of action. It |
| * receives the currently read line and dispatch the work depending on the |
| * context. |
| */ |
| void doDeleteValue(LPSTR line) |
| { |
| fprintf(stderr,"%s: deleteValue not yet implemented\n", getAppName()); |
| } |
| |
| /****************************************************************************** |
| * This function 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) |
| { |
| fprintf(stderr,"%s: deleteKey not yet implemented\n", getAppName()); |
| } |
| |
| /****************************************************************************** |
| * This function 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) |
| { |
| fprintf(stderr,"%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] = '\"'; |
| 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); |
| hRes = setValue(val_name, val_data); |
| if ( hRes != ERROR_SUCCESS ) |
| fprintf(stderr,"%s: ERROR Key %s not created. Value: %s, Data: %s\n", |
| getAppName(), |
| currentKeyName, |
| val_name, |
| val_data); |
| } |
| |
| /****************************************************************************** |
| * 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 != ' ') |
| fprintf(stderr,"%s: ERROR - invalid continuation.\n", |
| getAppName()); |
| continue; |
| } |
| |
| break; /* That is the full virtual line */ |
| } |
| |
| command(line); |
| } |
| command(NULL); |
| |
| HeapFree(GetProcessHeap(), 0, line); |
| } |
| |
| /****************************************************************************** |
| * This function 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 = LoadLibrary(stdInput); |
| if (theLib) { |
| FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllRegisterServer"); |
| if (lpfnDLLRegProc) |
| retVal = (*lpfnDLLRegProc)(); |
| else |
| fprintf(stderr,"%s: Couldn't find DllRegisterServer proc in '%s'.\n", |
| getAppName(), stdInput); |
| |
| if (retVal != S_OK) |
| fprintf(stderr,"%s: DLLRegisterServer error 0x%x in '%s'.\n", |
| getAppName(), retVal, stdInput); |
| |
| FreeLibrary(theLib); |
| } else { |
| fprintf(stderr,"%s: Could not load DLL '%s'.\n", getAppName(), stdInput); |
| } |
| } |
| |
| /****************************************************************************** |
| * This function 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 = LoadLibrary(stdInput); |
| if (theLib) { |
| FARPROC lpfnDLLRegProc = GetProcAddress(theLib, "DllUnregisterServer"); |
| if (lpfnDLLRegProc) |
| retVal = (*lpfnDLLRegProc)(); |
| else |
| fprintf(stderr,"%s: Couldn't find DllUnregisterServer proc in '%s'.\n", |
| getAppName(), stdInput); |
| |
| if (retVal != S_OK) |
| fprintf(stderr,"%s: DLLUnregisterServer error 0x%x in '%s'.\n", |
| getAppName(), retVal, stdInput); |
| |
| FreeLibrary(theLib); |
| } else { |
| fprintf(stderr,"%s: Could not load DLL '%s'.\n", getAppName(), stdInput); |
| } |
| } |
| |
| /**************************************************************************** |
| * 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) |
| { |
| 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) { |
| fprintf(stderr,"%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 (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(); |
| } |
| HeapFree(GetProcessHeap(), 0, branch_name); |
| } 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, doSetValue); |
| 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 *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) { |
| fprintf(stderr,"%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]) { |
| fprintf(stderr,"%s: Can't delete registry class '%s'\n", |
| getAppName(), reg_key_name); |
| exit(1); |
| } |
| if (RegOpenKey(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(const CHAR *name) |
| { |
| app_name = name; |
| } |
| |
| const CHAR *getAppName(void) |
| { |
| return app_name; |
| } |
