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Fix #2292 - fail on stray \r character in headers

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cpq committed 2023-07-09 18:18:18 +01:00
1 parent bf8c4dfc83
commit 88e880f107
4 files changed
+131 -66
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src/ws.c
+7 -4
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@@ -146,12 +146,15 @@ static bool mg_ws_client_handshake(struct mg_connection *c) {
mg_error(c, "not http"); // Some just, not an HTTP request
} else if (n > 0) {
if (n < 15 || memcmp(c->recv.buf + 9, "101", 3) != 0) {
mg_error(c, "handshake error");
mg_error(c, "ws handshake error");
} else {
struct mg_http_message hm;
mg_http_parse((char *) c->recv.buf, c->recv.len, &hm);
c->is_websocket = 1;
mg_call(c, MG_EV_WS_OPEN, &hm);
if (mg_http_parse((char *) c->recv.buf, c->recv.len, &hm)) {
c->is_websocket = 1;
mg_call(c, MG_EV_WS_OPEN, &hm);
} else {
mg_error(c, "ws handshake error");
}
}
mg_iobuf_del(&c->recv, 0, (size_t) n);
} else {