예제 #1
1
파일: fileinfo.c 프로젝트: pmartin/php-src
static void _php_finfo_get_type(INTERNAL_FUNCTION_PARAMETERS, int mode, int mimetype_emu) /* {{{ */
{
	zend_long options = 0;
	char *ret_val = NULL, *buffer = NULL;
	size_t buffer_len;
	php_fileinfo *finfo = NULL;
	zval *zfinfo, *zcontext = NULL;
	zval *what;
	char mime_directory[] = "directory";

	struct magic_set *magic = NULL;
	FILEINFO_DECLARE_INIT_OBJECT(object)

	if (mimetype_emu) {

		/* mime_content_type(..) emulation */
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &what) == FAILURE) {
			return;
		}

		switch (Z_TYPE_P(what)) {
			case IS_STRING:
				buffer = Z_STRVAL_P(what);
				buffer_len = Z_STRLEN_P(what);
				mode = FILEINFO_MODE_FILE;
				break;

			case IS_RESOURCE:
				mode = FILEINFO_MODE_STREAM;
				break;

			default:
				php_error_docref(NULL, E_WARNING, "Can only process string or stream arguments");
				RETURN_FALSE;
		}

		magic = magic_open(MAGIC_MIME_TYPE);
		if (magic_load(magic, NULL) == -1) {
			php_error_docref(NULL, E_WARNING, "Failed to load magic database.");
			goto common;
		}
	} else if (object) {
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|lr", &buffer, &buffer_len, &options, &zcontext) == FAILURE) {
			RETURN_FALSE;
		}
		FILEINFO_FROM_OBJECT(finfo, object);
		magic = finfo->magic;
	} else {
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|lr", &zfinfo, &buffer, &buffer_len, &options, &zcontext) == FAILURE) {
			RETURN_FALSE;
		}
		if ((finfo = (php_fileinfo *)zend_fetch_resource(Z_RES_P(zfinfo), "file_info", le_fileinfo)) == NULL) {
			RETURN_FALSE;
		}
		magic = finfo->magic;
	}

	/* Set options for the current file/buffer. */
	if (options) {
		FINFO_SET_OPTION(magic, options)
	}

	switch (mode) {
		case FILEINFO_MODE_BUFFER:
		{
			ret_val = (char *) magic_buffer(magic, buffer, buffer_len);
			break;
		}

		case FILEINFO_MODE_STREAM:
		{
				php_stream *stream;
				zend_off_t streampos;

				php_stream_from_zval_no_verify(stream, what);
				if (!stream) {
					goto common;
				}

				streampos = php_stream_tell(stream); /* remember stream position for restoration */
				php_stream_seek(stream, 0, SEEK_SET);

				ret_val = (char *) magic_stream(magic, stream);

				php_stream_seek(stream, streampos, SEEK_SET);
				break;
		}

		case FILEINFO_MODE_FILE:
		{
			/* determine if the file is a local file or remote URL */
			const char *tmp2;
			php_stream_wrapper *wrap;
			php_stream_statbuf ssb;

			if (buffer == NULL || !*buffer) {
				php_error_docref(NULL, E_WARNING, "Empty filename or path");
				RETVAL_FALSE;
				goto clean;
			}

			wrap = php_stream_locate_url_wrapper(buffer, &tmp2, 0);

			if (wrap) {
				php_stream *stream;
				php_stream_context *context = php_stream_context_from_zval(zcontext, 0);

#ifdef PHP_WIN32
				if (php_stream_stat_path_ex(buffer, 0, &ssb, context) == SUCCESS) {
					if (ssb.sb.st_mode & S_IFDIR) {
						ret_val = mime_directory;
						goto common;
					}
				}
#endif

#if PHP_API_VERSION < 20100412
				stream = php_stream_open_wrapper_ex(buffer, "rb", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context);
#else
				stream = php_stream_open_wrapper_ex(buffer, "rb", REPORT_ERRORS, NULL, context);
#endif

				if (!stream) {
					RETVAL_FALSE;
					goto clean;
				}

				if (php_stream_stat(stream, &ssb) == SUCCESS) {
					if (ssb.sb.st_mode & S_IFDIR) {
						ret_val = mime_directory;
					} else {
						ret_val = (char *)magic_stream(magic, stream);
					}
				}

				php_stream_close(stream);
			}
			break;
		}

		default:
			php_error_docref(NULL, E_WARNING, "Can only process string or stream arguments");
	}

common:
	if (ret_val) {
		RETVAL_STRING(ret_val);
	} else {
		php_error_docref(NULL, E_WARNING, "Failed identify data %d:%s", magic_errno(magic), magic_error(magic));
		RETVAL_FALSE;
	}

clean:
	if (mimetype_emu) {
		magic_close(magic);
	}

	/* Restore options */
	if (options) {
		FINFO_SET_OPTION(magic, finfo->options)
	}
	return;
}
예제 #2
0
/**
 * Compares two file paths returning 1 if the first mtime is greater or equal than the second
 */
int zephir_compare_mtime(zval *filename1, zval *filename2)
{

	php_stream_statbuf statbuffer1, statbuffer2;

	if (Z_TYPE_P(filename1) != IS_STRING || Z_TYPE_P(filename2) != IS_STRING) {
		php_error_docref(NULL, E_WARNING, "Invalid arguments supplied for compare_mtime()");
		return 0;
	}

	if (php_stream_stat_path_ex(Z_STRVAL_P(filename1), 0, &statbuffer1, NULL)) {
		php_error_docref(NULL, E_WARNING, "mstat failed for %s", Z_STRVAL_P(filename1));
		return 0;
	}

	if (php_stream_stat_path_ex(Z_STRVAL_P(filename2), 0, &statbuffer2, NULL)) {
		php_error_docref(NULL, E_WARNING, "mstat failed for %s", Z_STRVAL_P(filename2));
		return 0;
	}

	return (int) (statbuffer1.sb.st_mtime >= statbuffer2.sb.st_mtime);
}