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GnuTLS: Add support for piggybacked Application Data

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This commit is contained in:
Jouni Malinen 2009-12-20 22:07:59 +02:00
parent c9a7bbe5a8
commit 9dd37a224b
1 changed files with 30 additions and 0 deletions
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30
src/crypto/tls_gnutls.c
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@ -975,6 +975,33 @@ static int tls_connection_verify_peer(struct tls_connection *conn,
}
static struct wpabuf * gnutls_get_appl_data(struct tls_connection *conn)
{
int res;
struct wpabuf *ad;
wpa_printf(MSG_DEBUG, "GnuTLS: Check for possible Application Data");
ad = wpabuf_alloc((wpabuf_len(conn->pull_buf) + 500) * 3);
if (ad == NULL)
return NULL;
res = gnutls_record_recv(conn->session, wpabuf_mhead(ad),
wpabuf_size(ad));
wpa_printf(MSG_DEBUG, "GnuTLS: gnutls_record_recv: %d", res);
if (res < 0) {
wpa_printf(MSG_DEBUG, "%s - gnutls_ia_recv failed: %d "
"(%s)", __func__, (int) res,
gnutls_strerror(res));
wpabuf_free(ad);
return NULL;
}
wpabuf_put(ad, res);
wpa_printf(MSG_DEBUG, "GnuTLS: Received %d bytes of Application Data",
res);
return ad;
}
struct wpabuf * tls_connection_handshake(void *tls_ctx,
struct tls_connection *conn,
const struct wpabuf *in_data,
@ -1067,6 +1094,9 @@ struct wpabuf * tls_connection_handshake(void *tls_ctx,
global->session_data,
&global->session_data_size);
}
if (conn->pull_buf && appl_data)
*appl_data = gnutls_get_appl_data(conn);
}
out: