Commit 6cbc7890 authored by Adam Langley's avatar Adam Langley Committed by Matt Caswell
Browse files

Allow a zero length extension block 



It is valid for an extension block to be present in a ClientHello, but to
be of zero length.

Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
Reviewed-by: default avatarMatt Caswell <matt@openssl.org>
parent fffcf87a

ssl/t1_lib.c

+6 −6
Original line number Diff line number Diff line
@@ -1016,12 +1016,12 @@ int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **p, unsigned char *d, 


    s->srtp_profile = NULL;



    if (data >= (d + n - 2)) {

        if (data != d + n)

            goto err;

        else

    if (data == d + n)

        goto ri_check;

    }



    if (data > (d + n - 2))

        goto err;



    n2s(data, len);



    if (data > (d + n - len))