Commit 63b4b8c7 authored by Alessandro Ghedini's avatar Alessandro Ghedini Committed by Daniel Stenberg
Browse files

nss: fix NPN/ALPN protocol negotiation 

Correctly check for memcmp() return value (it returns 0 if the strings match).

This is not really important, since curl is going to use http/1.1 anyway, but
it's still a bug I guess.
parent 633b3895

lib/vtls/nss.c

+3 −4
Original line number Diff line number Diff line
@@ -718,12 +718,11 @@ static void HandshakeCallback(PRFileDesc *sock, void *arg) 
    }



    if(buflen == NGHTTP2_PROTO_VERSION_ID_LEN &&

       memcmp(NGHTTP2_PROTO_VERSION_ID, buf, NGHTTP2_PROTO_VERSION_ID_LEN)

       == 0) {

       !memcmp(NGHTTP2_PROTO_VERSION_ID, buf, NGHTTP2_PROTO_VERSION_ID_LEN)) {

      conn->negnpn = NPN_HTTP2;

    }

    else if(buflen == ALPN_HTTP_1_1_LENGTH && memcmp(ALPN_HTTP_1_1, buf,

                                                     ALPN_HTTP_1_1_LENGTH)) {

    else if(buflen == ALPN_HTTP_1_1_LENGTH &&

            !memcmp(ALPN_HTTP_1_1, buf, ALPN_HTTP_1_1_LENGTH)) {

      conn->negnpn = NPN_HTTP1_1;

    }

  }