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trace 22 fix zero length close from client

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close() from javascript api in Chrome and Firefox doesn't do the
right thing.  It's because the payload is zero-length (with a frame
key...)  This fixes it.

Reported-by: 巫书轶
Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-02-28 17:11:29 +08:00
parent 897fec3a89
commit 1bc12f9e99
1 changed files with 3 additions and 17 deletions
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20
lib/parsers.c
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@ -706,26 +706,10 @@ libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c)
case LWS_RXPS_04_FRAME_HDR_1:
handle_first:
/*
* 04 spec defines the opcode like this: (1, 2, and 3 are
* "control frame" opcodes which may not be fragmented or
* have size larger than 126)
*
* frame-opcode =
* %x0 ; continuation frame
* / %x1 ; connection close
* / %x2 ; ping
* / %x3 ; pong
* / %x4 ; text frame
* / %x5 ; binary frame
* / %x6-F ; reserved
*
* FIN (b7)
*/
wsi->u.ws.opcode = c & 0xf;
wsi->u.ws.rsv = c & 0x70;
wsi->u.ws.final = !!((c >> 7) & 1);
switch (wsi->u.ws.opcode) {
case LWS_WS_OPCODE_07__TEXT_FRAME:
case LWS_WS_OPCODE_07__BINARY_FRAME:
@ -870,6 +854,8 @@ handle_first:
wsi->lws_rx_parse_state =
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED;
wsi->u.ws.frame_mask_index = 0;
if (wsi->u.ws.rx_packet_length == 0)
goto spill;
break;