Added support to the server for loading new format (version 2) files.
This commit is contained in:
Alexandre Julliard
parent
b3d90e4b6b
commit
53f3a831c2
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@ -593,10 +593,29 @@ static int _wine_loadsubreg( FILE *F, HKEY hkey, const char *fn )
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return 0;
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}
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if (ver!=REGISTRY_SAVE_VERSION) {
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if (ver == 2) /* new version */
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{
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HANDLE file;
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if ((file = FILE_CreateFile( fn, GENERIC_READ, 0, NULL, OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL, -1 )) != INVALID_HANDLE_VALUE)
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{
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struct load_registry_request *req = get_req_buffer();
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req->hkey = hkey;
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req->file = file;
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req->name[0] = 0;
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server_call( REQ_LOAD_REGISTRY );
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CloseHandle( file );
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}
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free( buf );
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return 1;
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}
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else
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{
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TRACE_(reg)("Old format (%d) registry found, ignoring it. (buf was %s).\n",ver,buf);
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free(buf);
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return 0;
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}
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}
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if (!_wine_read_line(F,&buf,&buflen)) {
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free(buf);
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return 0;
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@ -89,6 +89,18 @@ static int saving_level;
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static int saving_version = 1; /* file format version */
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/* information about a file being loaded */
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struct file_load_info
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{
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FILE *file; /* input file */
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char *buffer; /* line buffer */
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int len; /* buffer length */
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int line; /* current input line */
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char *tmp; /* temp buffer to use while parsing input */
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int tmplen; /* length of temp buffer */
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};
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static void key_dump( struct object *obj, int verbose );
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static void key_destroy( struct object *obj );
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@ -292,7 +304,11 @@ static void key_destroy( struct object *obj )
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free( key->values[i].name );
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if (key->values[i].data) free( key->values[i].data );
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}
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for (i = 0; i <= key->last_subkey; i++) release_object( key->subkeys[i] );
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for (i = 0; i <= key->last_subkey; i++)
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{
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key->subkeys[i]->parent = NULL;
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release_object( key->subkeys[i] );
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}
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}
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/* duplicate a key path from the request buffer */
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@ -870,7 +886,7 @@ void close_registry(void)
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int i;
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for (i = 0; i < NB_ROOT_KEYS; i++)
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{
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if (root_keys[i] && !root_keys[i]->parent) release_object( root_keys[i] );
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if (root_keys[i]) release_object( root_keys[i] );
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}
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}
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@ -889,6 +905,360 @@ static struct key *get_hkey_obj( int hkey, unsigned int access )
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return key;
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}
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/* read a line from the input file */
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static int read_next_line( struct file_load_info *info )
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{
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char *newbuf;
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int newlen, pos = 0;
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info->line++;
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for (;;)
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{
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if (!fgets( info->buffer + pos, info->len - pos, info->file ))
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return (pos != 0); /* EOF */
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pos = strlen(info->buffer);
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if (info->buffer[pos-1] == '\n')
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{
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/* got a full line */
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info->buffer[--pos] = 0;
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if (pos > 0 && info->buffer[pos-1] == '\r') info->buffer[pos-1] = 0;
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return 1;
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}
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if (pos < info->len - 1) return 1; /* EOF but something was read */
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/* need to enlarge the buffer */
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newlen = info->len + info->len / 2;
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if (!(newbuf = realloc( info->buffer, newlen )))
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{
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set_error( ERROR_OUTOFMEMORY );
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return -1;
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}
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info->buffer = newbuf;
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info->len = newlen;
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}
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}
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/* make sure the temp buffer holds enough space */
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static int get_file_tmp_space( struct file_load_info *info, int size )
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{
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char *tmp;
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if (info->tmplen >= size) return 1;
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if (!(tmp = realloc( info->tmp, size )))
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{
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set_error( ERROR_OUTOFMEMORY );
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return 0;
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}
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info->tmp = tmp;
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info->tmplen = size;
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return 1;
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}
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/* report an error while loading an input file */
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static void file_read_error( const char *err, struct file_load_info *info )
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{
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fprintf( stderr, "Line %d: %s '%s'\n", info->line, err, info->buffer );
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}
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/* parse an escaped string back into Unicode */
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/* return the number of chars read from the input, or -1 on output overflow */
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static int parse_strW( WCHAR *dest, int *len, const char *src, char endchar )
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{
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int count = sizeof(WCHAR); /* for terminating null */
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const char *p = src;
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while (*p && *p != endchar)
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{
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if (*p != '\\') *dest = (WCHAR)*p++;
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else
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{
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p++;
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switch(*p)
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{
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case 'a': *dest = '\a'; p++; break;
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case 'b': *dest = '\b'; p++; break;
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case 'e': *dest = '\e'; p++; break;
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case 'f': *dest = '\f'; p++; break;
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case 'n': *dest = '\n'; p++; break;
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case 'r': *dest = '\r'; p++; break;
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case 't': *dest = '\t'; p++; break;
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case 'v': *dest = '\v'; p++; break;
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case 'x': /* hex escape */
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p++;
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if (!isxdigit(*p)) *dest = 'x';
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else
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{
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*dest = to_hex(*p++);
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if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
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if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
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if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
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}
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7': /* octal escape */
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*dest = *p++ - '0';
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if (*p >= '0' && *p <= '7') *dest = (*dest * 8) + (*p++ - '0');
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if (*p >= '0' && *p <= '7') *dest = (*dest * 8) + (*p++ - '0');
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break;
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default:
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*dest = (WCHAR)*p++;
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break;
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}
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}
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if ((count += sizeof(WCHAR)) > *len) return -1; /* dest buffer overflow */
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dest++;
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}
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*dest = 0;
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if (!*p) return -1; /* delimiter not found */
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*len = count;
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return p + 1 - src;
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}
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/* convert a data type tag to a value type */
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static int get_data_type( const char *buffer, int *type, int *parse_type )
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{
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struct data_type { const char *tag; int len; int type; int parse_type; };
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static const struct data_type data_types[] =
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{ /* actual type */ /* type to assume for parsing */
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{ "\"", 1, REG_SZ, REG_SZ },
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{ "str:\"", 5, REG_SZ, REG_SZ },
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{ "str(2):\"", 8, REG_EXPAND_SZ, REG_SZ },
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{ "str(7):\"", 8, REG_MULTI_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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{ "hex(", 4, -1, REG_BINARY },
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{ NULL, }
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};
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const struct data_type *ptr;
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char *end;
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for (ptr = data_types; ptr->tag; ptr++)
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{
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if (memcmp( ptr->tag, buffer, ptr->len )) continue;
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*parse_type = ptr->parse_type;
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if ((*type = ptr->type) != -1) return ptr->len;
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/* "hex(xx):" is special */
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*type = (int)strtoul( buffer + 4, &end, 16 );
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if ((end <= buffer) || memcmp( end, "):", 2 )) return 0;
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return end + 2 - buffer;
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}
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return 0;
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}
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/* load and create a key from the input file */
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static struct key *load_key( struct key *base, const char *buffer, struct file_load_info *info )
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{
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WCHAR *p;
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int res, len, modif;
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len = strlen(buffer) * sizeof(WCHAR);
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if (!get_file_tmp_space( info, len )) return NULL;
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if ((res = parse_strW( (WCHAR *)info->tmp, &len, buffer, ']' )) == -1)
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{
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file_read_error( "Malformed key", info );
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return NULL;
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}
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if (!sscanf( buffer + res, " %d", &modif )) modif = time(NULL);
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for (p = (WCHAR *)info->tmp; *p; p++) if (*p == '\\') { p++; break; }
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return create_key( base, p, len - ((char *)p - info->tmp), NULL, 0, modif, &res );
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}
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/* parse a comma-separated list of hex digits */
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static int parse_hex( unsigned char *dest, int *len, const char *buffer )
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{
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const char *p = buffer;
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int count = 0;
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while (isxdigit(*p))
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{
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int val;
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char buf[3];
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memcpy( buf, p, 2 );
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buf[2] = 0;
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sscanf( buf, "%x", &val );
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if (count++ >= *len) return -1; /* dest buffer overflow */
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*dest++ = (unsigned char )val;
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p += 2;
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if (*p == ',') p++;
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}
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*len = count;
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return p - buffer;
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}
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/* parse a value name and create the corresponding value */
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static struct key_value *parse_value_name( struct key *key, const char *buffer, int *len,
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struct file_load_info *info )
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{
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int maxlen = strlen(buffer) * sizeof(WCHAR);
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if (!get_file_tmp_space( info, maxlen )) return NULL;
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if (buffer[0] == '@')
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{
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info->tmp[0] = info->tmp[1] = 0;
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*len = 1;
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}
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else
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{
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if ((*len = parse_strW( (WCHAR *)info->tmp, &maxlen, buffer + 1, '\"' )) == -1) goto error;
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(*len)++; /* for initial quote */
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}
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if (buffer[*len] != '=') goto error;
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(*len)++;
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return insert_value( key, (WCHAR *)info->tmp );
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error:
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file_read_error( "Malformed value name", info );
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return NULL;
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}
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/* load a value from the input file */
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static int load_value( struct key *key, const char *buffer, struct file_load_info *info )
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{
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DWORD dw;
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void *ptr, *newptr;
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int maxlen, len, res;
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int type, parse_type;
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struct key_value *value;
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if (!(value = parse_value_name( key, buffer, &len, info ))) return 0;
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if (!(res = get_data_type( buffer + len, &type, &parse_type ))) goto error;
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buffer += len + res;
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switch(parse_type)
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{
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case REG_SZ:
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len = strlen(buffer) * sizeof(WCHAR);
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if (!get_file_tmp_space( info, len )) return 0;
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if ((res = parse_strW( (WCHAR *)info->tmp, &len, buffer, '\"' )) == -1) goto error;
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ptr = info->tmp;
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break;
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case REG_DWORD:
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dw = strtoul( buffer, NULL, 16 );
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ptr = &dw;
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len = sizeof(dw);
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break;
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case REG_BINARY: /* hex digits */
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len = 0;
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for (;;)
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{
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maxlen = 1 + strlen(buffer)/3; /* 3 chars for one hex byte */
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if (!get_file_tmp_space( info, len + maxlen )) return 0;
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if ((res = parse_hex( info->tmp + len, &maxlen, buffer )) == -1) goto error;
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len += maxlen;
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buffer += res;
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while (isspace(*buffer)) buffer++;
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if (!*buffer) break;
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if (*buffer != '\\') goto error;
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if (read_next_line( info) != 1) goto error;
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buffer = info->buffer;
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while (isspace(*buffer)) buffer++;
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}
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ptr = info->tmp;
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break;
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default:
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assert(0);
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ptr = NULL; /* keep compiler quiet */
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break;
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}
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if (!len) newptr = NULL;
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else if (!(newptr = memdup( ptr, len ))) return 0;
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if (value->data) free( value->data );
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value->data = newptr;
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value->len = len;
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value->type = type;
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/* update the key level but not the modification time */
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key->level = MAX( key->level, current_level );
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return 1;
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error:
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file_read_error( "Malformed value", info );
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return 0;
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}
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/* load all the keys from the input file */
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static void load_keys( struct key *key, FILE *f )
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{
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struct key *subkey = NULL;
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struct file_load_info info;
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char *p;
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info.file = f;
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info.len = 4;
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info.tmplen = 4;
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info.line = 0;
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if (!(info.buffer = mem_alloc( info.len ))) return;
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if (!(info.tmp = mem_alloc( info.tmplen )))
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{
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free( info.buffer );
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return;
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}
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if ((read_next_line( &info ) != 1) ||
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strcmp( info.buffer, "WINE REGISTRY Version 2" ))
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{
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set_error( ERROR_NOT_REGISTRY_FILE );
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goto done;
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}
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while (read_next_line( &info ) == 1)
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{
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for (p = info.buffer; *p && isspace(*p); p++);
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switch(*p)
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{
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case '[': /* new key */
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if (subkey) release_object( subkey );
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subkey = load_key( key, p + 1, &info );
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break;
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case '@': /* default value */
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case '\"': /* value */
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if (subkey) load_value( subkey, p, &info );
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else file_read_error( "Value without key", &info );
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break;
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case '#': /* comment */
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case ';': /* comment */
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case 0: /* empty line */
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break;
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default:
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file_read_error( "Unrecognized input", &info );
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break;
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}
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}
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done:
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if (subkey) release_object( subkey );
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free( info.buffer );
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free( info.tmp );
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}
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/* load a part of the registry from a file */
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static void load_registry( struct key *key, int handle )
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{
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struct object *obj;
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int fd;
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if (!(obj = get_handle_obj( current->process, handle, GENERIC_READ, NULL ))) return;
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fd = obj->ops->get_read_fd( obj );
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release_object( obj );
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if (fd != -1)
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{
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FILE *f = fdopen( fd, "r" );
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if (f)
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{
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load_keys( key, f );
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fclose( f );
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}
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else file_set_error();
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}
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}
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/* update the level of the parents of a key (only needed for the old format) */
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static int update_level( struct key *key )
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{
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@ -1139,7 +1509,8 @@ DECL_HANDLER(load_registry)
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if ((key = get_hkey_obj( req->hkey, KEY_SET_VALUE | KEY_CREATE_SUB_KEY )))
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{
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set_error( ERROR_CALL_NOT_IMPLEMENTED );
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/* FIXME: use subkey name */
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load_registry( key, req->file );
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release_object( key );
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}
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}
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