| /* |
| * Copyright 2017 Hugh McMaster |
| * |
| * 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 <windows.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <wine/unicode.h> |
| #include <wine/debug.h> |
| |
| #include "reg.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(reg); |
| |
| static WCHAR *GetWideString(const char *strA) |
| { |
| if (strA) |
| { |
| WCHAR *strW; |
| int len = MultiByteToWideChar(CP_ACP, 0, strA, -1, NULL, 0); |
| |
| strW = heap_xalloc(len * sizeof(WCHAR)); |
| MultiByteToWideChar(CP_ACP, 0, strA, -1, strW, len); |
| return strW; |
| } |
| return NULL; |
| } |
| |
| static WCHAR *GetWideStringN(const char *strA, int size, DWORD *len) |
| { |
| if (strA) |
| { |
| WCHAR *strW; |
| *len = MultiByteToWideChar(CP_ACP, 0, strA, size, NULL, 0); |
| |
| strW = heap_xalloc(*len * sizeof(WCHAR)); |
| MultiByteToWideChar(CP_ACP, 0, strA, size, strW, *len); |
| return strW; |
| } |
| *len = 0; |
| return NULL; |
| } |
| |
| static WCHAR *(*get_line)(FILE *); |
| |
| /* parser definitions */ |
| enum parser_state |
| { |
| HEADER, /* parsing the registry file version header */ |
| PARSE_WIN31_LINE, /* parsing a Windows 3.1 registry line */ |
| LINE_START, /* at the beginning of a registry line */ |
| KEY_NAME, /* parsing a key name */ |
| DELETE_KEY, /* deleting a registry key */ |
| DEFAULT_VALUE_NAME, /* parsing a default value name */ |
| QUOTED_VALUE_NAME, /* parsing a double-quoted value name */ |
| DATA_START, /* preparing for data parsing operations */ |
| DELETE_VALUE, /* deleting a registry value */ |
| DATA_TYPE, /* parsing the registry data type */ |
| STRING_DATA, /* parsing REG_SZ data */ |
| DWORD_DATA, /* parsing DWORD data */ |
| HEX_DATA, /* parsing REG_BINARY, REG_NONE, REG_EXPAND_SZ or REG_MULTI_SZ data */ |
| EOL_BACKSLASH, /* preparing to parse multiple lines of hex data */ |
| HEX_MULTILINE, /* parsing multiple lines of hex data */ |
| UNKNOWN_DATA, /* parsing an unhandled or invalid data type */ |
| SET_VALUE, /* adding a value to the registry */ |
| NB_PARSER_STATES |
| }; |
| |
| struct parser |
| { |
| FILE *file; /* pointer to a registry file */ |
| WCHAR two_wchars[2]; /* first two characters from the encoding check */ |
| BOOL is_unicode; /* parsing Unicode or ASCII data */ |
| short int reg_version; /* registry file version */ |
| HKEY hkey; /* current registry key */ |
| WCHAR *key_name; /* current key name */ |
| WCHAR *value_name; /* value name */ |
| DWORD parse_type; /* generic data type for parsing */ |
| DWORD data_type; /* data type */ |
| void *data; /* value data */ |
| DWORD data_size; /* size of the data (in bytes) */ |
| BOOL backslash; /* TRUE if the current line contains a backslash */ |
| enum parser_state state; /* current parser state */ |
| }; |
| |
| typedef WCHAR *(*parser_state_func)(struct parser *parser, WCHAR *pos); |
| |
| /* parser state machine functions */ |
| static WCHAR *header_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *parse_win31_line_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *line_start_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *key_name_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *delete_key_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *default_value_name_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *data_start_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *delete_value_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *data_type_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *string_data_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *dword_data_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *hex_data_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *eol_backslash_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *hex_multiline_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *unknown_data_state(struct parser *parser, WCHAR *pos); |
| static WCHAR *set_value_state(struct parser *parser, WCHAR *pos); |
| |
| static const parser_state_func parser_funcs[NB_PARSER_STATES] = |
| { |
| header_state, /* HEADER */ |
| parse_win31_line_state, /* PARSE_WIN31_LINE */ |
| line_start_state, /* LINE_START */ |
| key_name_state, /* KEY_NAME */ |
| delete_key_state, /* DELETE_KEY */ |
| default_value_name_state, /* DEFAULT_VALUE_NAME */ |
| quoted_value_name_state, /* QUOTED_VALUE_NAME */ |
| data_start_state, /* DATA_START */ |
| delete_value_state, /* DELETE_VALUE */ |
| data_type_state, /* DATA_TYPE */ |
| string_data_state, /* STRING_DATA */ |
| dword_data_state, /* DWORD_DATA */ |
| hex_data_state, /* HEX_DATA */ |
| eol_backslash_state, /* EOL_BACKSLASH */ |
| hex_multiline_state, /* HEX_MULTILINE */ |
| unknown_data_state, /* UNKNOWN_DATA */ |
| set_value_state, /* SET_VALUE */ |
| }; |
| |
| /* set the new parser state and return the previous one */ |
| static inline enum parser_state set_state(struct parser *parser, enum parser_state state) |
| { |
| enum parser_state ret = parser->state; |
| parser->state = state; |
| return ret; |
| } |
| |
| /****************************************************************************** |
| * Converts a hex representation of a DWORD into a DWORD. |
| */ |
| static BOOL convert_hex_to_dword(WCHAR *str, DWORD *dw) |
| { |
| WCHAR *p, *end; |
| int count = 0; |
| |
| while (*str == ' ' || *str == '\t') str++; |
| if (!*str) goto error; |
| |
| p = str; |
| while (isxdigitW(*p)) |
| { |
| count++; |
| p++; |
| } |
| if (count > 8) goto error; |
| |
| end = p; |
| while (*p == ' ' || *p == '\t') p++; |
| if (*p && *p != ';') goto error; |
| |
| *end = 0; |
| *dw = strtoulW(str, &end, 16); |
| return TRUE; |
| |
| error: |
| return FALSE; |
| } |
| |
| /****************************************************************************** |
| * Converts comma-separated hex data into a binary string and modifies |
| * the input parameter to skip the concatenating backslash, if found. |
| * |
| * Returns TRUE or FALSE to indicate whether parsing was successful. |
| */ |
| static BOOL convert_hex_csv_to_hex(struct parser *parser, WCHAR **str) |
| { |
| size_t size; |
| BYTE *d; |
| WCHAR *s; |
| |
| parser->backslash = FALSE; |
| |
| /* The worst case is 1 digit + 1 comma per byte */ |
| size = ((lstrlenW(*str) + 1) / 2) + parser->data_size; |
| parser->data = heap_xrealloc(parser->data, size); |
| |
| s = *str; |
| d = (BYTE *)parser->data + parser->data_size; |
| |
| while (*s) |
| { |
| WCHAR *end; |
| unsigned long wc; |
| |
| wc = strtoulW(s, &end, 16); |
| if (wc > 0xff) return FALSE; |
| |
| if (s == end && wc == 0) |
| { |
| while (*end == ' ' || *end == '\t') end++; |
| if (*end == '\\') |
| { |
| parser->backslash = TRUE; |
| *str = end + 1; |
| return TRUE; |
| } |
| else if (*end == ';') |
| return TRUE; |
| return FALSE; |
| } |
| |
| *d++ = wc; |
| parser->data_size++; |
| |
| if (*end && *end != ',') |
| { |
| while (*end == ' ' || *end == '\t') end++; |
| if (*end && *end != ';') return FALSE; |
| return TRUE; |
| } |
| |
| if (*end) end++; |
| s = end; |
| } |
| |
| return TRUE; |
| } |
| |
| /****************************************************************************** |
| * Parses the data type of the registry value being imported and modifies |
| * the input parameter to skip the string representation of the data type. |
| * |
| * Returns TRUE or FALSE to indicate whether a data type was found. |
| */ |
| static BOOL parse_data_type(struct parser *parser, WCHAR **line) |
| { |
| struct data_type { const WCHAR *tag; int len; int type; int parse_type; }; |
| |
| static const WCHAR quote[] = {'"'}; |
| static const WCHAR hex[] = {'h','e','x',':'}; |
| static const WCHAR dword[] = {'d','w','o','r','d',':'}; |
| static const WCHAR hexp[] = {'h','e','x','('}; |
| |
| static const struct data_type data_types[] = { |
| /* tag len type parse type */ |
| { quote, 1, REG_SZ, REG_SZ }, |
| { hex, 4, REG_BINARY, REG_BINARY }, |
| { dword, 6, REG_DWORD, REG_DWORD }, |
| { hexp, 4, -1, REG_BINARY }, /* REG_NONE, REG_EXPAND_SZ, REG_MULTI_SZ */ |
| { NULL, 0, 0, 0 } |
| }; |
| |
| const struct data_type *ptr; |
| |
| for (ptr = data_types; ptr->tag; ptr++) |
| { |
| if (strncmpW(ptr->tag, *line, ptr->len)) |
| continue; |
| |
| parser->parse_type = ptr->parse_type; |
| parser->data_type = ptr->parse_type; |
| *line += ptr->len; |
| |
| if (ptr->type == -1) |
| { |
| WCHAR *end; |
| DWORD val; |
| |
| if (!**line || tolowerW((*line)[1]) == 'x') |
| return FALSE; |
| |
| /* "hex(xx):" is special */ |
| val = wcstoul(*line, &end, 16); |
| if (*end != ')' || *(end + 1) != ':' || (val == ~0u && errno == ERANGE)) |
| return FALSE; |
| |
| parser->data_type = val; |
| *line = end + 2; |
| } |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /****************************************************************************** |
| * Replaces escape sequences with their character equivalents and |
| * null-terminates the string on the first non-escaped double quote. |
| * |
| * Assigns a pointer to the remaining unparsed data in the line. |
| * Returns TRUE or FALSE to indicate whether a closing double quote was found. |
| */ |
| static BOOL unescape_string(WCHAR *str, WCHAR **unparsed) |
| { |
| int str_idx = 0; /* current character under analysis */ |
| int val_idx = 0; /* the last character of the unescaped string */ |
| int len = lstrlenW(str); |
| BOOL ret; |
| |
| 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 'r': |
| str[val_idx] = '\r'; |
| break; |
| case '0': |
| str[val_idx] = '\0'; |
| break; |
| case '\\': |
| case '"': |
| str[val_idx] = str[str_idx]; |
| break; |
| default: |
| if (!str[str_idx]) return FALSE; |
| output_message(STRING_ESCAPE_SEQUENCE, str[str_idx]); |
| str[val_idx] = str[str_idx]; |
| break; |
| } |
| } |
| else if (str[str_idx] == '"') |
| break; |
| else |
| str[val_idx] = str[str_idx]; |
| } |
| |
| ret = (str[str_idx] == '"'); |
| *unparsed = str + str_idx + 1; |
| str[val_idx] = '\0'; |
| return ret; |
| } |
| |
| static HKEY parse_key_name(WCHAR *key_name, WCHAR **key_path) |
| { |
| if (!key_name) return 0; |
| |
| *key_path = strchrW(key_name, '\\'); |
| if (*key_path) (*key_path)++; |
| |
| return path_get_rootkey(key_name); |
| } |
| |
| static void close_key(struct parser *parser) |
| { |
| if (parser->hkey) |
| { |
| heap_free(parser->key_name); |
| parser->key_name = NULL; |
| |
| RegCloseKey(parser->hkey); |
| parser->hkey = NULL; |
| } |
| } |
| |
| static LONG open_key(struct parser *parser, WCHAR *path) |
| { |
| HKEY key_class; |
| WCHAR *key_path; |
| LONG res; |
| |
| close_key(parser); |
| |
| /* Get the registry class */ |
| if (!path || !(key_class = parse_key_name(path, &key_path))) |
| return ERROR_INVALID_PARAMETER; |
| |
| res = RegCreateKeyExW(key_class, key_path, 0, NULL, REG_OPTION_NON_VOLATILE, |
| KEY_ALL_ACCESS, NULL, &parser->hkey, NULL); |
| |
| if (res == ERROR_SUCCESS) |
| { |
| parser->key_name = heap_xalloc((lstrlenW(path) + 1) * sizeof(WCHAR)); |
| lstrcpyW(parser->key_name, path); |
| } |
| else |
| parser->hkey = NULL; |
| |
| return res; |
| } |
| |
| static void free_parser_data(struct parser *parser) |
| { |
| if (parser->parse_type == REG_DWORD || parser->parse_type == REG_BINARY) |
| heap_free(parser->data); |
| |
| parser->data = NULL; |
| parser->data_size = 0; |
| } |
| |
| static void prepare_hex_string_data(struct parser *parser) |
| { |
| if (parser->data_type == REG_EXPAND_SZ || parser->data_type == REG_MULTI_SZ) |
| { |
| if (parser->is_unicode) |
| { |
| WCHAR *data = parser->data; |
| DWORD len = parser->data_size / sizeof(WCHAR); |
| |
| if (data[len - 1] != 0) |
| { |
| data[len] = 0; |
| parser->data_size += sizeof(WCHAR); |
| } |
| } |
| else |
| { |
| BYTE *data = parser->data; |
| |
| if (data[parser->data_size - 1] != 0) |
| { |
| data[parser->data_size] = 0; |
| parser->data_size++; |
| } |
| |
| parser->data = GetWideStringN(parser->data, parser->data_size, &parser->data_size); |
| parser->data_size *= sizeof(WCHAR); |
| heap_free(data); |
| } |
| } |
| } |
| |
| enum reg_versions { |
| REG_VERSION_31, |
| REG_VERSION_40, |
| REG_VERSION_50, |
| REG_VERSION_FUZZY, |
| REG_VERSION_INVALID |
| }; |
| |
| static enum reg_versions parse_file_header(const WCHAR *s) |
| { |
| static const WCHAR header_31[] = {'R','E','G','E','D','I','T',0}; |
| static const WCHAR header_40[] = {'R','E','G','E','D','I','T','4',0}; |
| static const WCHAR header_50[] = {'W','i','n','d','o','w','s',' ', |
| 'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ', |
| 'V','e','r','s','i','o','n',' ','5','.','0','0',0}; |
| |
| while (*s == ' ' || *s == '\t') s++; |
| |
| if (!strcmpW(s, header_31)) |
| return REG_VERSION_31; |
| |
| if (!strcmpW(s, header_40)) |
| return REG_VERSION_40; |
| |
| if (!strcmpW(s, header_50)) |
| return REG_VERSION_50; |
| |
| /* The Windows version accepts registry file headers beginning with "REGEDIT" and ending |
| * with other characters, as long as "REGEDIT" appears at the start of the line. For example, |
| * "REGEDIT 4", "REGEDIT9" and "REGEDIT4FOO" are all treated as valid file headers. |
| * In all such cases, however, the contents of the registry file are not imported. |
| */ |
| if (!strncmpW(s, header_31, 7)) /* "REGEDIT" without NUL */ |
| return REG_VERSION_FUZZY; |
| |
| return REG_VERSION_INVALID; |
| } |
| |
| /* handler for parser HEADER state */ |
| static WCHAR *header_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line, *header; |
| |
| if (!(line = get_line(parser->file))) |
| return NULL; |
| |
| if (!parser->is_unicode) |
| { |
| header = heap_xalloc((lstrlenW(line) + 3) * sizeof(WCHAR)); |
| header[0] = parser->two_wchars[0]; |
| header[1] = parser->two_wchars[1]; |
| lstrcpyW(header + 2, line); |
| parser->reg_version = parse_file_header(header); |
| heap_free(header); |
| } |
| else parser->reg_version = parse_file_header(line); |
| |
| switch (parser->reg_version) |
| { |
| case REG_VERSION_31: |
| set_state(parser, PARSE_WIN31_LINE); |
| break; |
| case REG_VERSION_40: |
| case REG_VERSION_50: |
| set_state(parser, LINE_START); |
| break; |
| default: |
| get_line(NULL); /* Reset static variables */ |
| return NULL; |
| } |
| |
| return line; |
| } |
| |
| /* handler for parser PARSE_WIN31_LINE state */ |
| static WCHAR *parse_win31_line_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line, *value; |
| static WCHAR hkcr[] = {'H','K','E','Y','_','C','L','A','S','S','E','S','_','R','O','O','T'}; |
| unsigned int key_end = 0; |
| |
| if (!(line = get_line(parser->file))) |
| return NULL; |
| |
| if (strncmpW(line, hkcr, ARRAY_SIZE(hkcr))) |
| return line; |
| |
| /* get key name */ |
| while (line[key_end] && !isspaceW(line[key_end])) key_end++; |
| |
| value = line + key_end; |
| while (*value == ' ' || *value == '\t') value++; |
| |
| if (*value == '=') value++; |
| if (*value == ' ') value++; /* at most one space is skipped */ |
| |
| line[key_end] = 0; |
| |
| if (open_key(parser, line) != ERROR_SUCCESS) |
| { |
| output_message(STRING_OPEN_KEY_FAILED, line); |
| return line; |
| } |
| |
| parser->value_name = NULL; |
| parser->data_type = REG_SZ; |
| parser->data = value; |
| parser->data_size = (lstrlenW(value) + 1) * sizeof(WCHAR); |
| |
| set_state(parser, SET_VALUE); |
| return value; |
| } |
| |
| /* handler for parser LINE_START state */ |
| static WCHAR *line_start_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line, *p; |
| |
| if (!(line = get_line(parser->file))) |
| return NULL; |
| |
| for (p = line; *p; p++) |
| { |
| switch (*p) |
| { |
| case '[': |
| set_state(parser, KEY_NAME); |
| return p + 1; |
| case '@': |
| set_state(parser, DEFAULT_VALUE_NAME); |
| return p; |
| case '"': |
| set_state(parser, QUOTED_VALUE_NAME); |
| return p + 1; |
| case ' ': |
| case '\t': |
| break; |
| default: |
| return p; |
| } |
| } |
| |
| return p; |
| } |
| |
| /* handler for parser KEY_NAME state */ |
| static WCHAR *key_name_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *p = pos, *key_end; |
| |
| if (*p == ' ' || *p == '\t' || !(key_end = strrchrW(p, ']'))) |
| goto done; |
| |
| *key_end = 0; |
| |
| if (*p == '-') |
| { |
| set_state(parser, DELETE_KEY); |
| return p + 1; |
| } |
| else if (open_key(parser, p) != ERROR_SUCCESS) |
| output_message(STRING_OPEN_KEY_FAILED, p); |
| |
| done: |
| set_state(parser, LINE_START); |
| return p; |
| } |
| |
| /* handler for parser DELETE_KEY state */ |
| static WCHAR *delete_key_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *p = pos; |
| |
| close_key(parser); |
| |
| if (*p == 'H' || *p == 'h') |
| { |
| HKEY root; |
| WCHAR *path; |
| |
| root = parse_key_name(p, &path); |
| |
| if (root && path && *path) |
| RegDeleteTreeW(root, path); |
| } |
| |
| set_state(parser, LINE_START); |
| return p; |
| } |
| |
| /* handler for parser DEFAULT_VALUE_NAME state */ |
| static WCHAR *default_value_name_state(struct parser *parser, WCHAR *pos) |
| { |
| heap_free(parser->value_name); |
| parser->value_name = NULL; |
| |
| set_state(parser, DATA_START); |
| return pos + 1; |
| } |
| |
| /* handler for parser QUOTED_VALUE_NAME state */ |
| static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *val_name = pos, *p; |
| |
| if (parser->value_name) |
| { |
| heap_free(parser->value_name); |
| parser->value_name = NULL; |
| } |
| |
| if (!unescape_string(val_name, &p)) |
| goto invalid; |
| |
| /* copy the value name in case we need to parse multiple lines and the buffer is overwritten */ |
| parser->value_name = heap_xalloc((lstrlenW(val_name) + 1) * sizeof(WCHAR)); |
| lstrcpyW(parser->value_name, val_name); |
| |
| set_state(parser, DATA_START); |
| return p; |
| |
| invalid: |
| set_state(parser, LINE_START); |
| return val_name; |
| } |
| |
| /* handler for parser DATA_START state */ |
| static WCHAR *data_start_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *p = pos; |
| unsigned int len; |
| |
| while (*p == ' ' || *p == '\t') p++; |
| if (*p != '=') goto invalid; |
| p++; |
| while (*p == ' ' || *p == '\t') p++; |
| |
| /* trim trailing whitespace */ |
| len = strlenW(p); |
| while (len > 0 && (p[len - 1] == ' ' || p[len - 1] == '\t')) len--; |
| p[len] = 0; |
| |
| if (*p == '-') |
| set_state(parser, DELETE_VALUE); |
| else |
| set_state(parser, DATA_TYPE); |
| return p; |
| |
| invalid: |
| set_state(parser, LINE_START); |
| return p; |
| } |
| |
| /* handler for parser DELETE_VALUE state */ |
| static WCHAR *delete_value_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *p = pos + 1; |
| |
| while (*p == ' ' || *p == '\t') p++; |
| if (*p && *p != ';') goto done; |
| |
| RegDeleteValueW(parser->hkey, parser->value_name); |
| |
| done: |
| set_state(parser, LINE_START); |
| return p; |
| } |
| |
| /* handler for parser DATA_TYPE state */ |
| static WCHAR *data_type_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line = pos; |
| |
| if (!parse_data_type(parser, &line)) |
| { |
| set_state(parser, LINE_START); |
| return line; |
| } |
| |
| switch (parser->parse_type) |
| { |
| case REG_SZ: |
| set_state(parser, STRING_DATA); |
| break; |
| case REG_DWORD: |
| set_state(parser, DWORD_DATA); |
| break; |
| case REG_BINARY: /* all hex data types, including undefined */ |
| set_state(parser, HEX_DATA); |
| break; |
| default: |
| set_state(parser, UNKNOWN_DATA); |
| } |
| |
| return line; |
| } |
| |
| /* handler for parser STRING_DATA state */ |
| static WCHAR *string_data_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line; |
| |
| parser->data = pos; |
| |
| if (!unescape_string(parser->data, &line)) |
| goto invalid; |
| |
| while (*line == ' ' || *line == '\t') line++; |
| if (*line && *line != ';') goto invalid; |
| |
| parser->data_size = (lstrlenW(parser->data) + 1) * sizeof(WCHAR); |
| |
| set_state(parser, SET_VALUE); |
| return line; |
| |
| invalid: |
| free_parser_data(parser); |
| set_state(parser, LINE_START); |
| return line; |
| } |
| |
| /* handler for parser DWORD_DATA state */ |
| static WCHAR *dword_data_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line = pos; |
| |
| parser->data = heap_xalloc(sizeof(DWORD)); |
| |
| if (!convert_hex_to_dword(line, parser->data)) |
| goto invalid; |
| |
| parser->data_size = sizeof(DWORD); |
| |
| set_state(parser, SET_VALUE); |
| return line; |
| |
| invalid: |
| free_parser_data(parser); |
| set_state(parser, LINE_START); |
| return line; |
| } |
| |
| /* handler for parser HEX_DATA state */ |
| static WCHAR *hex_data_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line = pos; |
| |
| if (!convert_hex_csv_to_hex(parser, &line)) |
| goto invalid; |
| |
| if (parser->backslash) |
| { |
| set_state(parser, EOL_BACKSLASH); |
| return line; |
| } |
| |
| prepare_hex_string_data(parser); |
| |
| set_state(parser, SET_VALUE); |
| return line; |
| |
| invalid: |
| free_parser_data(parser); |
| set_state(parser, LINE_START); |
| return line; |
| } |
| |
| /* handler for parser EOL_BACKSLASH state */ |
| static WCHAR *eol_backslash_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *p = pos; |
| |
| while (*p == ' ' || *p == '\t') p++; |
| if (*p && *p != ';') goto invalid; |
| |
| set_state(parser, HEX_MULTILINE); |
| return pos; |
| |
| invalid: |
| free_parser_data(parser); |
| set_state(parser, LINE_START); |
| return p; |
| } |
| |
| /* handler for parser HEX_MULTILINE state */ |
| static WCHAR *hex_multiline_state(struct parser *parser, WCHAR *pos) |
| { |
| WCHAR *line; |
| |
| if (!(line = get_line(parser->file))) |
| { |
| prepare_hex_string_data(parser); |
| set_state(parser, SET_VALUE); |
| return pos; |
| } |
| |
| while (*line == ' ' || *line == '\t') line++; |
| if (!*line || *line == ';') return line; |
| |
| if (!isxdigitW(*line)) goto invalid; |
| |
| set_state(parser, HEX_DATA); |
| return line; |
| |
| invalid: |
| free_parser_data(parser); |
| set_state(parser, LINE_START); |
| return line; |
| } |
| |
| /* handler for parser UNKNOWN_DATA state */ |
| static WCHAR *unknown_data_state(struct parser *parser, WCHAR *pos) |
| { |
| FIXME("Unknown registry data type [0x%x]\n", parser->data_type); |
| |
| set_state(parser, LINE_START); |
| return pos; |
| } |
| |
| /* handler for parser SET_VALUE state */ |
| static WCHAR *set_value_state(struct parser *parser, WCHAR *pos) |
| { |
| RegSetValueExW(parser->hkey, parser->value_name, 0, parser->data_type, |
| parser->data, parser->data_size); |
| |
| free_parser_data(parser); |
| |
| if (parser->reg_version == REG_VERSION_31) |
| set_state(parser, PARSE_WIN31_LINE); |
| else |
| set_state(parser, LINE_START); |
| |
| return pos; |
| } |
| |
| #define REG_VAL_BUF_SIZE 4096 |
| |
| static WCHAR *get_lineA(FILE *fp) |
| { |
| static WCHAR *lineW; |
| static size_t size; |
| static char *buf, *next; |
| char *line; |
| |
| heap_free(lineW); |
| |
| if (!fp) goto cleanup; |
| |
| if (!size) |
| { |
| size = REG_VAL_BUF_SIZE; |
| buf = heap_xalloc(size); |
| *buf = 0; |
| next = buf; |
| } |
| line = next; |
| |
| while (next) |
| { |
| char *p = strpbrk(line, "\r\n"); |
| if (!p) |
| { |
| size_t len, count; |
| len = strlen(next); |
| memmove(buf, next, len + 1); |
| if (size - len < 3) |
| { |
| size *= 2; |
| buf = heap_xrealloc(buf, size); |
| } |
| if (!(count = fread(buf + len, 1, size - len - 1, fp))) |
| { |
| next = NULL; |
| lineW = GetWideString(buf); |
| return lineW; |
| } |
| buf[len + count] = 0; |
| next = buf; |
| line = buf; |
| continue; |
| } |
| next = p + 1; |
| if (*p == '\r' && *(p + 1) == '\n') next++; |
| *p = 0; |
| lineW = GetWideString(line); |
| return lineW; |
| } |
| |
| cleanup: |
| lineW = NULL; |
| if (size) heap_free(buf); |
| size = 0; |
| return NULL; |
| } |
| |
| static WCHAR *get_lineW(FILE *fp) |
| { |
| static size_t size; |
| static WCHAR *buf, *next; |
| WCHAR *line; |
| |
| if (!fp) goto cleanup; |
| |
| if (!size) |
| { |
| size = REG_VAL_BUF_SIZE; |
| buf = heap_xalloc(size * sizeof(WCHAR)); |
| *buf = 0; |
| next = buf; |
| } |
| line = next; |
| |
| while (next) |
| { |
| static const WCHAR line_endings[] = {'\r','\n',0}; |
| WCHAR *p = strpbrkW(line, line_endings); |
| if (!p) |
| { |
| size_t len, count; |
| len = strlenW(next); |
| memmove(buf, next, (len + 1) * sizeof(WCHAR)); |
| if (size - len < 3) |
| { |
| size *= 2; |
| buf = heap_xrealloc(buf, size * sizeof(WCHAR)); |
| } |
| if (!(count = fread(buf + len, sizeof(WCHAR), size - len - 1, fp))) |
| { |
| next = NULL; |
| return buf; |
| } |
| buf[len + count] = 0; |
| next = buf; |
| line = buf; |
| continue; |
| } |
| next = p + 1; |
| if (*p == '\r' && *(p + 1) == '\n') next++; |
| *p = 0; |
| return line; |
| } |
| |
| cleanup: |
| if (size) heap_free(buf); |
| size = 0; |
| return NULL; |
| } |
| |
| int reg_import(const WCHAR *filename) |
| { |
| FILE *fp; |
| static const WCHAR rb_mode[] = {'r','b',0}; |
| BYTE s[2]; |
| struct parser parser; |
| WCHAR *pos; |
| |
| fp = _wfopen(filename, rb_mode); |
| if (!fp) |
| { |
| output_message(STRING_FILE_NOT_FOUND, filename); |
| return 1; |
| } |
| |
| if (fread(s, sizeof(WCHAR), 1, fp) != 1) |
| goto error; |
| |
| parser.is_unicode = (s[0] == 0xff && s[1] == 0xfe); |
| get_line = parser.is_unicode ? get_lineW : get_lineA; |
| |
| parser.file = fp; |
| parser.two_wchars[0] = s[0]; |
| parser.two_wchars[1] = s[1]; |
| parser.reg_version = -1; |
| parser.hkey = NULL; |
| parser.key_name = NULL; |
| parser.value_name = NULL; |
| parser.parse_type = 0; |
| parser.data_type = 0; |
| parser.data = NULL; |
| parser.data_size = 0; |
| parser.backslash = FALSE; |
| parser.state = HEADER; |
| |
| pos = parser.two_wchars; |
| |
| /* parser main loop */ |
| while (pos) |
| pos = (parser_funcs[parser.state])(&parser, pos); |
| |
| if (parser.reg_version == REG_VERSION_INVALID) |
| goto error; |
| |
| heap_free(parser.value_name); |
| close_key(&parser); |
| |
| fclose(fp); |
| return 0; |
| |
| error: |
| fclose(fp); |
| return 1; |
| } |