Commit 54b5f257 authored by kelsey's avatar kelsey
Browse files

Improved container state handling

parent 8eb67204

ssl/tlmsp_con.c

+7 −7
Original line number Diff line number Diff line
@@ -559,7 +559,6 @@ tlmsp_read_fragment(SSL *s, PACKET *pkt, TLMSP_Container *c) 
     * Do the actual cipher operation.

     */

    if (tlmsp_container_enc(s, &tb, c) < 1) {

        fprintf(stderr, "%s: tlmsp_enc failed\n", __func__);

        if (!ossl_statem_in_error(s)) {

            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLMSP_READ_FRAGMENT,

                     ERR_R_INTERNAL_ERROR);
@@ -717,7 +716,6 @@ tlmsp_write_fragment(SSL *s, WPACKET *pkt, TLMSP_Container *c) 
     * Do the actual cipher operation.

     */

    if (tlmsp_container_enc(s, &tb, c) < 1) {

        fprintf(stderr, "%s: tlmsp_enc failed\n", __func__);

        if (!ossl_statem_in_error(s)) {

            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLMSP_WRITE_FRAGMENT,

                     ERR_R_INTERNAL_ERROR);
@@ -1018,11 +1016,13 @@ tlmsp_container_enc(SSL *s, struct tlmsp_buffer *tb, const TLMSP_Container *c) 
         * Compute the length of the compressed plaintext.

         */

        fraglen = tb->length - eivlen;

        if (c->envelope.src != s->tlmsp.self_id) {

        if (!TLMSP_ENVELOPE_SENDING(&c->envelope)) {

            /*

             * XXX TODO XXX

             * This code assumes that in this case we are receiving, and tries

             * to guess accordingly.  What if we're forwarding?

             * In this case we are strictly receiving.  The write path has

             * already handled forwarding pristine packets, we know that if

             * we're sending, it's a total rewrite.  This check applies only on

             * the receive and verify path, as to ensure that the input isn't

             * somehow too short to include data as well as a tag.

             */

            if (fraglen < taglen) {

                SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLMSP_CONTAINER_ENC,
@@ -1255,7 +1255,7 @@ tlmsp_mac_input(SSL *s, const TLMSP_Container *c, const void *frag, size_t fragl 
    /*

     * XXX Abstract out sequence number management.

     */

    if (c->envelope.src == s->tlmsp.self_id)

    if (TLMSP_ENVELOPE_SENDING(&c->envelope))

        seq = RECORD_LAYER_get_write_sequence(&s->rlayer);

    else

        seq = RECORD_LAYER_get_read_sequence(&s->rlayer);