1048 lines
27 KiB
C
1048 lines
27 KiB
C
/*
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* Copyright 2017 Hugh McMaster
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <errno.h>
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#include <stdio.h>
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#include "reg.h"
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#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(reg);
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static WCHAR *GetWideString(const char *strA)
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{
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if (strA)
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{
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WCHAR *strW;
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int len = MultiByteToWideChar(CP_ACP, 0, strA, -1, NULL, 0);
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strW = malloc(len * sizeof(WCHAR));
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MultiByteToWideChar(CP_ACP, 0, strA, -1, strW, len);
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return strW;
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}
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return NULL;
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}
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static WCHAR *GetWideStringN(const char *strA, int size, DWORD *len)
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{
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if (strA)
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{
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WCHAR *strW;
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*len = MultiByteToWideChar(CP_ACP, 0, strA, size, NULL, 0);
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strW = malloc(*len * sizeof(WCHAR));
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MultiByteToWideChar(CP_ACP, 0, strA, size, strW, *len);
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return strW;
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}
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*len = 0;
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return NULL;
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}
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static WCHAR *(*get_line)(FILE *);
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/* parser definitions */
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enum parser_state
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{
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HEADER, /* parsing the registry file version header */
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PARSE_WIN31_LINE, /* parsing a Windows 3.1 registry line */
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LINE_START, /* at the beginning of a registry line */
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KEY_NAME, /* parsing a key name */
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DELETE_KEY, /* deleting a registry key */
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DEFAULT_VALUE_NAME, /* parsing a default value name */
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QUOTED_VALUE_NAME, /* parsing a double-quoted value name */
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DATA_START, /* preparing for data parsing operations */
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DELETE_VALUE, /* deleting a registry value */
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DATA_TYPE, /* parsing the registry data type */
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STRING_DATA, /* parsing REG_SZ data */
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DWORD_DATA, /* parsing DWORD data */
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HEX_DATA, /* parsing REG_BINARY, REG_NONE, REG_EXPAND_SZ or REG_MULTI_SZ data */
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EOL_BACKSLASH, /* preparing to parse multiple lines of hex data */
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HEX_MULTILINE, /* parsing multiple lines of hex data */
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UNKNOWN_DATA, /* parsing an unhandled or invalid data type */
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SET_VALUE, /* adding a value to the registry */
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NB_PARSER_STATES
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};
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struct parser
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{
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FILE *file; /* pointer to a registry file */
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WCHAR two_wchars[2]; /* first two characters from the encoding check */
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BOOL is_unicode; /* parsing Unicode or ASCII data */
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short int reg_version; /* registry file version */
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HKEY hkey; /* current registry key */
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WCHAR *key_name; /* current key name */
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WCHAR *value_name; /* value name */
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DWORD parse_type; /* generic data type for parsing */
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DWORD data_type; /* data type */
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void *data; /* value data */
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DWORD data_size; /* size of the data (in bytes) */
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BOOL backslash; /* TRUE if the current line contains a backslash */
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enum parser_state state; /* current parser state */
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};
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typedef WCHAR *(*parser_state_func)(struct parser *parser, WCHAR *pos);
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/* parser state machine functions */
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static WCHAR *header_state(struct parser *parser, WCHAR *pos);
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static WCHAR *parse_win31_line_state(struct parser *parser, WCHAR *pos);
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static WCHAR *line_start_state(struct parser *parser, WCHAR *pos);
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static WCHAR *key_name_state(struct parser *parser, WCHAR *pos);
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static WCHAR *delete_key_state(struct parser *parser, WCHAR *pos);
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static WCHAR *default_value_name_state(struct parser *parser, WCHAR *pos);
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static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos);
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static WCHAR *data_start_state(struct parser *parser, WCHAR *pos);
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static WCHAR *delete_value_state(struct parser *parser, WCHAR *pos);
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static WCHAR *data_type_state(struct parser *parser, WCHAR *pos);
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static WCHAR *string_data_state(struct parser *parser, WCHAR *pos);
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static WCHAR *dword_data_state(struct parser *parser, WCHAR *pos);
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static WCHAR *hex_data_state(struct parser *parser, WCHAR *pos);
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static WCHAR *eol_backslash_state(struct parser *parser, WCHAR *pos);
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static WCHAR *hex_multiline_state(struct parser *parser, WCHAR *pos);
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static WCHAR *unknown_data_state(struct parser *parser, WCHAR *pos);
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static WCHAR *set_value_state(struct parser *parser, WCHAR *pos);
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static const parser_state_func parser_funcs[NB_PARSER_STATES] =
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{
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header_state, /* HEADER */
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parse_win31_line_state, /* PARSE_WIN31_LINE */
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line_start_state, /* LINE_START */
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key_name_state, /* KEY_NAME */
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delete_key_state, /* DELETE_KEY */
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default_value_name_state, /* DEFAULT_VALUE_NAME */
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quoted_value_name_state, /* QUOTED_VALUE_NAME */
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data_start_state, /* DATA_START */
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delete_value_state, /* DELETE_VALUE */
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data_type_state, /* DATA_TYPE */
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string_data_state, /* STRING_DATA */
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dword_data_state, /* DWORD_DATA */
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hex_data_state, /* HEX_DATA */
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eol_backslash_state, /* EOL_BACKSLASH */
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hex_multiline_state, /* HEX_MULTILINE */
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unknown_data_state, /* UNKNOWN_DATA */
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set_value_state, /* SET_VALUE */
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};
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/* set the new parser state and return the previous one */
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static inline enum parser_state set_state(struct parser *parser, enum parser_state state)
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{
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enum parser_state ret = parser->state;
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parser->state = state;
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return ret;
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}
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/******************************************************************************
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* Converts a hex representation of a DWORD into a DWORD.
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*/
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static BOOL convert_hex_to_dword(WCHAR *str, DWORD *dw)
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{
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WCHAR *p, *end;
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int count = 0;
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while (*str == ' ' || *str == '\t') str++;
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if (!*str) goto error;
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p = str;
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while (iswxdigit(*p))
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{
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count++;
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p++;
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}
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if (count > 8) goto error;
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end = p;
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while (*p == ' ' || *p == '\t') p++;
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if (*p && *p != ';') goto error;
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*end = 0;
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*dw = wcstoul(str, &end, 16);
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return TRUE;
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error:
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return FALSE;
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}
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/******************************************************************************
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* Converts comma-separated hex data into a binary string and modifies
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* the input parameter to skip the concatenating backslash, if found.
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*
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* Returns TRUE or FALSE to indicate whether parsing was successful.
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*/
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static BOOL convert_hex_csv_to_hex(struct parser *parser, WCHAR **str)
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{
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size_t size;
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BYTE *d;
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WCHAR *s;
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parser->backslash = FALSE;
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/* The worst case is 1 digit + 1 comma per byte */
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size = ((lstrlenW(*str) + 1) / 2) + parser->data_size;
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parser->data = realloc(parser->data, size);
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s = *str;
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d = (BYTE *)parser->data + parser->data_size;
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while (*s)
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{
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WCHAR *end;
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unsigned long wc;
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wc = wcstoul(s, &end, 16);
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if (wc > 0xff) return FALSE;
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if (s == end && wc == 0)
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{
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while (*end == ' ' || *end == '\t') end++;
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if (*end == '\\')
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{
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parser->backslash = TRUE;
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*str = end + 1;
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return TRUE;
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}
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else if (*end == ';')
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return TRUE;
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return FALSE;
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}
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*d++ = wc;
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parser->data_size++;
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if (*end && *end != ',')
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{
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while (*end == ' ' || *end == '\t') end++;
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if (*end && *end != ';') return FALSE;
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return TRUE;
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}
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if (*end) end++;
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s = end;
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}
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return TRUE;
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}
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/******************************************************************************
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* Parses the data type of the registry value being imported and modifies
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* the input parameter to skip the string representation of the data type.
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*
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* Returns TRUE or FALSE to indicate whether a data type was found.
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*/
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static BOOL parse_data_type(struct parser *parser, WCHAR **line)
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{
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struct data_type { const WCHAR *tag; int len; int type; int parse_type; };
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static const WCHAR quote[] = {'"'};
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static const WCHAR hex[] = {'h','e','x',':'};
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static const WCHAR dword[] = {'d','w','o','r','d',':'};
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static const WCHAR hexp[] = {'h','e','x','('};
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static const struct data_type data_types[] = {
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/* tag len type parse type */
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{ quote, 1, REG_SZ, REG_SZ },
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{ hex, 4, REG_BINARY, REG_BINARY },
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{ dword, 6, REG_DWORD, REG_DWORD },
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{ hexp, 4, -1, REG_BINARY }, /* REG_NONE, REG_EXPAND_SZ, REG_MULTI_SZ */
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{ NULL, 0, 0, 0 }
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};
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const struct data_type *ptr;
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for (ptr = data_types; ptr->tag; ptr++)
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{
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if (wcsncmp(ptr->tag, *line, ptr->len))
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continue;
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parser->parse_type = ptr->parse_type;
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parser->data_type = ptr->parse_type;
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*line += ptr->len;
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if (ptr->type == -1)
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{
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WCHAR *end;
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DWORD val;
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if (!**line || towlower((*line)[1]) == 'x')
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return FALSE;
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/* "hex(xx):" is special */
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val = wcstoul(*line, &end, 16);
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if (*end != ')' || *(end + 1) != ':' || (val == ~0u && errno == ERANGE))
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return FALSE;
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parser->data_type = val;
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*line = end + 2;
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}
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return TRUE;
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}
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return FALSE;
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}
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/******************************************************************************
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* Replaces escape sequences with their character equivalents and
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* null-terminates the string on the first non-escaped double quote.
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*
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* Assigns a pointer to the remaining unparsed data in the line.
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* Returns TRUE or FALSE to indicate whether a closing double quote was found.
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*/
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static BOOL unescape_string(WCHAR *str, WCHAR **unparsed)
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{
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int str_idx = 0; /* current character under analysis */
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int val_idx = 0; /* the last character of the unescaped string */
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int len = lstrlenW(str);
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BOOL ret;
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for (str_idx = 0; str_idx < len; str_idx++, val_idx++)
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{
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if (str[str_idx] == '\\')
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{
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str_idx++;
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switch (str[str_idx])
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{
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case 'n':
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str[val_idx] = '\n';
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break;
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case 'r':
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str[val_idx] = '\r';
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break;
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case '0':
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return FALSE;
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case '\\':
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case '"':
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str[val_idx] = str[str_idx];
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break;
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default:
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if (!str[str_idx]) return FALSE;
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output_message(STRING_ESCAPE_SEQUENCE, str[str_idx]);
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str[val_idx] = str[str_idx];
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break;
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}
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}
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else if (str[str_idx] == '"')
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break;
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else
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str[val_idx] = str[str_idx];
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}
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ret = (str[str_idx] == '"');
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*unparsed = str + str_idx + 1;
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str[val_idx] = '\0';
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return ret;
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}
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static HKEY parse_key_name(WCHAR *key_name, WCHAR **key_path)
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{
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if (!key_name) return 0;
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*key_path = wcschr(key_name, '\\');
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if (*key_path) (*key_path)++;
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return path_get_rootkey(key_name);
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}
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static void close_key(struct parser *parser)
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{
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if (parser->hkey)
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{
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free(parser->key_name);
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parser->key_name = NULL;
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RegCloseKey(parser->hkey);
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parser->hkey = NULL;
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}
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}
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static LONG open_key(struct parser *parser, WCHAR *path)
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{
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HKEY key_class;
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WCHAR *key_path;
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LONG res;
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close_key(parser);
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/* Get the registry class */
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if (!path || !(key_class = parse_key_name(path, &key_path)))
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return ERROR_INVALID_PARAMETER;
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res = RegCreateKeyExW(key_class, key_path, 0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL, &parser->hkey, NULL);
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if (res == ERROR_SUCCESS)
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{
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parser->key_name = malloc((lstrlenW(path) + 1) * sizeof(WCHAR));
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lstrcpyW(parser->key_name, path);
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}
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else
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parser->hkey = NULL;
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return res;
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}
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static void free_parser_data(struct parser *parser)
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{
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if (parser->parse_type == REG_DWORD || parser->parse_type == REG_BINARY)
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free(parser->data);
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parser->data = NULL;
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parser->data_size = 0;
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}
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static void prepare_hex_string_data(struct parser *parser)
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{
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if (parser->data_type == REG_EXPAND_SZ || parser->data_type == REG_MULTI_SZ ||
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parser->data_type == REG_SZ)
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{
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if (parser->is_unicode)
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{
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WCHAR *data = parser->data;
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DWORD len = parser->data_size / sizeof(WCHAR);
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if (data[len - 1] != 0)
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{
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data[len] = 0;
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parser->data_size += sizeof(WCHAR);
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}
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}
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else
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{
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BYTE *data = parser->data;
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if (data[parser->data_size - 1] != 0)
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{
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data[parser->data_size] = 0;
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parser->data_size++;
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}
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parser->data = GetWideStringN(parser->data, parser->data_size, &parser->data_size);
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parser->data_size *= sizeof(WCHAR);
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free(data);
|
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}
|
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}
|
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}
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enum reg_versions {
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REG_VERSION_31,
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REG_VERSION_40,
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REG_VERSION_50,
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REG_VERSION_FUZZY,
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REG_VERSION_INVALID
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};
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|
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static enum reg_versions parse_file_header(const WCHAR *s)
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{
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static const WCHAR header_31[] = {'R','E','G','E','D','I','T',0};
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static const WCHAR header_40[] = {'R','E','G','E','D','I','T','4',0};
|
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static const WCHAR header_50[] = {'W','i','n','d','o','w','s',' ',
|
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'R','e','g','i','s','t','r','y',' ','E','d','i','t','o','r',' ',
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'V','e','r','s','i','o','n',' ','5','.','0','0',0};
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|
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while (*s == ' ' || *s == '\t') s++;
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|
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if (!lstrcmpW(s, header_31))
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return REG_VERSION_31;
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|
|
if (!lstrcmpW(s, header_40))
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return REG_VERSION_40;
|
|
|
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if (!lstrcmpW(s, header_50))
|
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return REG_VERSION_50;
|
|
|
|
/* The Windows version accepts registry file headers beginning with "REGEDIT" and ending
|
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* with other characters, as long as "REGEDIT" appears at the start of the line. For example,
|
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* "REGEDIT 4", "REGEDIT9" and "REGEDIT4FOO" are all treated as valid file headers.
|
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* In all such cases, however, the contents of the registry file are not imported.
|
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*/
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if (!wcsncmp(s, header_31, 7)) /* "REGEDIT" without NUL */
|
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return REG_VERSION_FUZZY;
|
|
|
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return REG_VERSION_INVALID;
|
|
}
|
|
|
|
/* handler for parser HEADER state */
|
|
static WCHAR *header_state(struct parser *parser, WCHAR *pos)
|
|
{
|
|
WCHAR *line, *header;
|
|
|
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if (!(line = get_line(parser->file)))
|
|
return NULL;
|
|
|
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if (!parser->is_unicode)
|
|
{
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header = malloc((lstrlenW(line) + 3) * sizeof(WCHAR));
|
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header[0] = parser->two_wchars[0];
|
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header[1] = parser->two_wchars[1];
|
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lstrcpyW(header + 2, line);
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parser->reg_version = parse_file_header(header);
|
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free(header);
|
|
}
|
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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 (wcsncmp(line, hkcr, ARRAY_SIZE(hkcr)))
|
|
return line;
|
|
|
|
/* get key name */
|
|
while (line[key_end] && !iswspace(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 = wcsrchr(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)
|
|
{
|
|
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;
|
|
|
|
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 = malloc((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 = lstrlenW(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 = malloc(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 (!*line)
|
|
goto set_value;
|
|
|
|
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_value:
|
|
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 (!iswxdigit(*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;
|
|
|
|
free(lineW);
|
|
|
|
if (!fp) goto cleanup;
|
|
|
|
if (!size)
|
|
{
|
|
size = REG_VAL_BUF_SIZE;
|
|
buf = malloc(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 = realloc(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;
|
|
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 = malloc(size * sizeof(WCHAR));
|
|
*buf = 0;
|
|
next = buf;
|
|
}
|
|
line = next;
|
|
|
|
while (next)
|
|
{
|
|
static const WCHAR line_endings[] = {'\r','\n',0};
|
|
WCHAR *p = wcspbrk(line, line_endings);
|
|
if (!p)
|
|
{
|
|
size_t len, count;
|
|
len = lstrlenW(next);
|
|
memmove(buf, next, (len + 1) * sizeof(WCHAR));
|
|
if (size - len < 3)
|
|
{
|
|
size *= 2;
|
|
buf = realloc(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:
|
|
free(buf);
|
|
size = 0;
|
|
return NULL;
|
|
}
|
|
|
|
int reg_import(int argc, WCHAR *argvW[])
|
|
{
|
|
WCHAR *filename, *pos;
|
|
FILE *fp;
|
|
static const WCHAR rb_mode[] = {'r','b',0};
|
|
BYTE s[2];
|
|
struct parser parser;
|
|
|
|
if (argc > 3)
|
|
{
|
|
output_message(STRING_INVALID_SYNTAX);
|
|
output_message(STRING_FUNC_HELP, wcsupr(argvW[1]));
|
|
return 1;
|
|
}
|
|
|
|
filename = argvW[2];
|
|
|
|
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;
|
|
|
|
free(parser.value_name);
|
|
close_key(&parser);
|
|
|
|
fclose(fp);
|
|
return 0;
|
|
|
|
error:
|
|
fclose(fp);
|
|
return 1;
|
|
}
|