Function srtcp_test

test/srtp_driver.c:1415–1621

}

srtp_err_status_t srtcp_test(const srtp_policy_t *policy, int mki_index)
{
    int i;
    srtp_t srtcp_sender;
    srtp_t srtcp_rcvr;
    srtp_err_status_t status = srtp_err_status_ok;
    srtcp_hdr_t *hdr, *hdr2;
    uint8_t hdr_enc[64];
    uint8_t *pkt_end;
    int msg_len_octets, msg_len_enc, msg_len;
    int len, len2;
    uint32_t tag_length;
    uint32_t ssrc;
    srtp_policy_t *rcvr_policy;
    int use_mki = 0;

    if (mki_index >= 0)
        use_mki = 1;

    err_check(srtp_create(&srtcp_sender, policy));

    /* print out policy */
    err_check(srtp_session_print_policy(srtcp_sender));

    /*
     * initialize data buffer, using the ssrc in the policy unless that
     * value is a wildcard, in which case we'll just use an arbitrary
     * one
     */
    if (policy->ssrc.type != ssrc_specific) {
        ssrc = 0xdecafbad;
    } else {
        ssrc = policy->ssrc.value;
    }
    msg_len_octets = 28;
    hdr = srtp_create_rtcp_test_packet(msg_len_octets, ssrc, &len);
    /* save message len */
    msg_len = len;

    if (hdr == NULL) {
        return srtp_err_status_alloc_fail;
    }
    hdr2 = srtp_create_rtcp_test_packet(msg_len_octets, ssrc, &len2);
    if (hdr2 == NULL) {
        free(hdr);
        return srtp_err_status_alloc_fail;
    }

    debug_print(mod_driver, "before protection:\n%s",
                srtp_rtcp_packet_to_string(hdr, len));

#if PRINT_REFERENCE_PACKET
    debug_print(mod_driver, "reference packet before protection:\n%s",
                octet_string_hex_string((uint8_t *)hdr, len));
#endif
    err_check(srtp_test_call_protect_rtcp(srtcp_sender, hdr, &len, mki_index));

    debug_print(mod_driver, "after protection:\n%s",