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autobahn reject noncontinuation based on pending FIN state
Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
parent
977734ee07
commit
91d624e38a
2 changed files with 14 additions and 1 deletions
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@ -72,13 +72,25 @@ int lws_client_rx_sm(struct lws *wsi, unsigned char c)
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return -1;
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}
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wsi->u.ws.final = !!((c >> 7) & 1);
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if (wsi->u.ws.final)
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if (wsi->u.ws.owed_a_fin &&
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(wsi->u.ws.opcode == LWSWSOPC_TEXT_FRAME ||
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wsi->u.ws.opcode == LWSWSOPC_BINARY_FRAME)) {
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lwsl_info("hey you owed us a FIN\n");
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return -1;
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}
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if ((!(wsi->u.ws.opcode & 8)) && wsi->u.ws.final) {
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wsi->u.ws.continuation_possible = 0;
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wsi->u.ws.owed_a_fin = 0;
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}
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if ((wsi->u.ws.opcode & 8) && !wsi->u.ws.final) {
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lwsl_info("control message cannot be fragmented\n");
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return -1;
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}
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if (!wsi->u.ws.final) {
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wsi->u.ws.owed_a_fin = 1;
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}
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switch (wsi->u.ws.opcode) {
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case LWSWSOPC_TEXT_FRAME:
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case LWSWSOPC_BINARY_FRAME:
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@ -857,6 +857,7 @@ struct _lws_websocket_related {
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unsigned int payload_is_close:1; /* process as PONG, but it is close */
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unsigned int ping_pending_flag:1;
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unsigned int continuation_possible:1;
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unsigned int owed_a_fin:1;
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};
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struct lws {
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