Commit 26212351 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

print out alpn extension 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2747)
parent 52434847

ssl/t1_trce.c

+20 −0
Original line number Diff line number Diff line
@@ -468,6 +468,8 @@ static ssl_trace_tbl ssl_exts_tbl[] = { 
# ifndef OPENSSL_NO_NEXTPROTONEG

    {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},

# endif

    {TLSEXT_TYPE_application_layer_protocol_negotiation,

     "application_layer_protocol_negotiation"},

    {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},

    {TLSEXT_TYPE_padding, "padding"},

    {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
@@ -693,6 +695,24 @@ static int ssl_print_extension(BIO *bio, int indent, int server, 
        if (extlen != xlen + 2)

            return 0;

        return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);

    case TLSEXT_TYPE_application_layer_protocol_negotiation:

        if (extlen < 2)

            return 0;

        xlen = (ext[0] << 8) | ext[1];

        if (extlen != xlen + 2)

            return 0;

        ext += 2;

        while (xlen > 0) {

            size_t plen = *ext++;

            if (plen > xlen + 1)

                return 0;

            BIO_indent(bio, indent + 2, 80);

            BIO_write(bio, ext, plen);

            BIO_puts(bio, "\n");

            ext += plen;

            xlen -= plen + 1;

        }

        return 1;



    case TLSEXT_TYPE_signature_algorithms: