dec->payload_len = 0;
dec->head_len = dec->head_total = 0;
dec->state = WS_DEC_INIT;
+ dec->fin_bit = TRUE;
}
static void ws_dec_init(struct ws_decoder *dec)
dec->head[0] = *inbuf;
Curl_bufq_skip(inraw, 1);
+ dec->fin_bit = (dec->head[0] & WSBIT_FIN) ? TRUE : FALSE;
+
if(!ws_frame_rsv_supported(dec->head[0])) {
failf(data, "WS: unknown reserved bit in frame header: %x",
dec->head[0] & WSBIT_RSV_MASK);
curl_off_t payload_len,
size_t cur_len)
{
+ curl_off_t bytesleft = (payload_len - payload_offset - cur_len);
+
ws->frame.age = frame_age;
ws->frame.flags = frame_flags;
ws->frame.offset = payload_offset;
ws->frame.len = cur_len;
- ws->frame.bytesleft = (payload_len - payload_offset - cur_len);
+ ws->frame.bytesleft = bytesleft;
+
+ if(!ws->dec.fin_bit || bytesleft > 0) {
+ ws->frame.flags |= CURLWS_CONT;
+ }
+ else {
+ ws->frame.flags &= ~CURLWS_CONT;
+ }
}
/* WebSockets decoding client writer */
--- /dev/null
+<testcase>
+<info>
+<keywords>
+WebSockets
+</keywords>
+</info>
+
+#
+# Sends three 4097 bytes TEXT frames, as one single message
+<reply>
+<data nocheck="yes">
+HTTP/1.1 101 Switching to WebSockets
+Server: test-server/fake
+Upgrade: websocket
+Connection: Upgrade
+Something: else
+Sec-WebSocket-Accept: HkPsVga7+8LuxM4RGQ5p9tZHeYs=
+
+%hex[%01%7e%10%01]hex%%repeat[256 x helothisisdaniel]%
+%hex[%01%7e%10%01]hex%%repeat[256 x helothisisdaniel]%
+%hex[%81%7e%10%01]hex%%repeat[256 x helothisisdaniel]%
+</data>
+# allow upgrade
+<servercmd>
+upgrade
+</servercmd>
+</reply>
+
+#
+# Client-side
+<client>
+# require debug for the forced CURL_ENTROPY
+<features>
+Debug
+ws
+</features>
+<server>
+http
+</server>
+<name>
+WebSocket curl_ws_recv() loop reading three larger frames
+</name>
+<tool>
+lib%TESTNUMBER
+</tool>
+<command>
+ws://%HOSTIP:%HTTPPORT/%TESTNUMBER %LOGDIR/save%TESTNUMBER
+</command>
+</client>
+
+#
+<verify>
+<file name="%LOGDIR/save%TESTNUMBER" mode="text">
+%repeat[256 x helothisisdaniel]%
+%repeat[256 x helothisisdaniel]%
+%repeat[256 x helothisisdaniel]%
+</file>
+</verify>
+</testcase>
--- /dev/null
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "test.h"
+#include "testtrace.h"
+#include "memdebug.h"
+
+#ifndef CURL_DISABLE_WEBSOCKETS
+
+/* just close the connection */
+static void websocket_close(CURL *curl)
+{
+ size_t sent;
+ CURLcode result =
+ curl_ws_send(curl, "", 0, &sent, 0, CURLWS_CLOSE);
+ fprintf(stderr,
+ "ws: curl_ws_send returned %d, sent %d\n", result, (int)sent);
+}
+
+static void websocket(CURL *curl)
+{
+ char buffer[256];
+ const struct curl_ws_frame *meta;
+ size_t nread;
+ size_t i = 0;
+ FILE *save = fopen(libtest_arg2, FOPEN_WRITETEXT);
+ if(!save)
+ return;
+
+ /* Three 4097-bytes frames are expected, 12291 bytes */
+ while(true) {
+ CURLcode result =
+ curl_ws_recv(curl, buffer, sizeof(buffer), &nread, &meta);
+ if(result) {
+ if(result == CURLE_AGAIN)
+ /* crude busy-loop */
+ continue;
+ fclose(save);
+ printf("curl_ws_recv returned %d\n", result);
+ return;
+ }
+ printf("%d: nread %zu Age %d Flags %x "
+ "Offset %" CURL_FORMAT_CURL_OFF_T " "
+ "Bytesleft %" CURL_FORMAT_CURL_OFF_T "\n",
+ (int)i,
+ nread, meta->age, meta->flags, meta->offset, meta->bytesleft);
+ i += meta->len;
+ fwrite(buffer, 1, nread, save);
+ /* exit condition */
+ if(!(meta->flags & CURLWS_CONT)) {
+ break;
+ }
+ }
+ fclose(save);
+
+ websocket_close(curl);
+
+ assert(i == 12291);
+}
+
+CURLcode test(char *URL)
+{
+ CURL *curl;
+ CURLcode res = CURLE_OK;
+
+ global_init(CURL_GLOBAL_ALL);
+
+ curl = curl_easy_init();
+ if(curl) {
+ curl_easy_setopt(curl, CURLOPT_URL, URL);
+
+ /* use the callback style */
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, "websocket/2304");
+ libtest_debug_config.nohex = 1;
+ libtest_debug_config.tracetime = 1;
+ curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &libtest_debug_config);
+ curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, libtest_debug_cb);
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+ curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 2L); /* websocket style */
+ res = curl_easy_perform(curl);
+ fprintf(stderr, "curl_easy_perform() returned %d\n", res);
+ if(res == CURLE_OK)
+ websocket(curl);
+
+ /* always cleanup */
+ curl_easy_cleanup(curl);
+ }
+ curl_global_cleanup();
+ return res;
+}
+
+#else
+NO_SUPPORT_BUILT_IN
+#endif