+struct splitbody_arg {
+ php_http_buffer_t buf;
+ php_http_message_parser_t *parser;
+ char *boundary_str;
+ size_t boundary_len;
+ size_t consumed;
+};
+
+static size_t splitbody(void *opaque, char *buf, size_t len TSRMLS_DC)
+{
+ struct splitbody_arg *arg = opaque;
+ const char *boundary = NULL;
+ size_t consumed = 0;
+ int first_boundary;
+
+ do {
+ first_boundary = !(consumed || arg->consumed);
+
+ if ((boundary = php_http_locate_str(buf, len, arg->boundary_str + first_boundary, arg->boundary_len - first_boundary))) {
+ size_t real_boundary_len = arg->boundary_len - 1, cut;
+ const char *real_boundary = boundary + !first_boundary;
+ int eol_len = 0;
+
+ if (buf + len <= real_boundary + real_boundary_len) {
+ /* if we just have enough data for the boundary, it's just a byte too less */
+ arg->consumed += consumed;
+ return consumed;
+ }
+
+ if (!first_boundary) {
+ /* this is not the first boundary, read rest of this message */
+ php_http_buffer_append(&arg->buf, buf, real_boundary - buf);
+ php_http_message_parser_parse(arg->parser, &arg->buf, 0, &arg->parser->message);
+ }
+
+ /* move after the boundary */
+ cut = real_boundary - buf + real_boundary_len;
+ buf += cut;
+ len -= cut;
+ consumed += cut;
+
+ if (buf == php_http_locate_bin_eol(buf, len, &eol_len)) {
+ /* skip CRLF */
+ buf += eol_len;
+ len -= eol_len;
+ consumed += eol_len;
+
+ if (!first_boundary) {
+ /* advance messages */
+ php_http_message_t *msg;
+
+ msg = php_http_message_init(NULL, 0 TSRMLS_CC);
+ msg->parent = arg->parser->message;
+ arg->parser->message = msg;
+ }
+ } else {
+ /* is this the last boundary? */
+ if (*buf == '-') {
+ /* ignore the rest */
+ consumed += len;
+ len = 0;
+ } else {
+ /* let this be garbage */
+ php_http_error(HE_WARNING, PHP_HTTP_E_MESSAGE_BODY, "Malformed multipart boundary at pos %zu", consumed);
+ return -1;
+ }
+ }
+ }
+ } while (boundary && len);
+
+ /* let there be room for the next boundary */
+ if (len > arg->boundary_len) {
+ consumed += len - arg->boundary_len;
+ php_http_buffer_append(&arg->buf, buf, len - arg->boundary_len);
+ php_http_message_parser_parse(arg->parser, &arg->buf, 0, &arg->parser->message);
+ }
+
+ arg->consumed += consumed;
+ return consumed;
+}
+
+PHP_HTTP_API php_http_message_t *php_http_message_body_split(php_http_message_body_t *body, const char *boundary)
+{
+ php_stream *s = php_http_message_body_stream(body);
+ php_http_buffer_t *tmp = NULL;
+ php_http_message_t *msg = NULL;
+ struct splitbody_arg arg;
+ TSRMLS_FETCH_FROM_CTX(body->ts);
+
+ php_http_buffer_init(&arg.buf);
+ arg.parser = php_http_message_parser_init(NULL TSRMLS_CC);
+ arg.boundary_len = spprintf(&arg.boundary_str, 0, "\n--%s", boundary);
+ arg.consumed = 0;
+
+ php_stream_rewind(s);
+ while (!php_stream_eof(s)) {
+ php_http_buffer_passthru(&tmp, 0x1000, (php_http_buffer_pass_func_t) _php_stream_read, s, splitbody, &arg TSRMLS_CC);
+ }
+
+ msg = arg.parser->message;
+ arg.parser->message = NULL;
+
+ php_http_buffer_free(&tmp);
+ php_http_message_parser_free(&arg.parser);
+ php_http_buffer_dtor(&arg.buf);
+ STR_FREE(arg.boundary_str);
+
+ return msg;