static int execute_simulator_setup()

in src/tpm_comm_emulator.c [166:216]

• 47 lines of code
• 8 McCabe index (conditional complexity)

static int execute_simulator_setup(TPM_COMM_INFO* tpm_comm_info)
{
    int result;
    uint32_t tmp_client_version = 1;
    uint32_t tmp_server_version = 1;
    uint32_t tpm_info;

    // Send the handshake request
    if (send_sync_cmd(tpm_comm_info, REMOTE_HANDSHAKE_CMD) != 0)
    {
        LogError("Failure sending remote handshake.");
        result = MU_FAILURE;
    }
    // Send desired protocol version
    else if (send_sync_cmd(tpm_comm_info, tmp_client_version) != 0)
    {
        LogError("Failure sending client version.");
        result = MU_FAILURE;
    }
    else if (read_sync_cmd(tpm_comm_info, &tmp_server_version) != 0)
    {
        LogError("Failure reading cmd sync.");
        result = MU_FAILURE;
    }
    else if (tmp_client_version != tmp_server_version)
    {
        LogError("Failure client and server version does not match.");
        result = MU_FAILURE;
    }
    else if (read_sync_cmd(tpm_comm_info, &tpm_info) != 0)
    {
        LogError("Failure reading cmd sync.");
        result = MU_FAILURE;
    }
    // GetAck
    else if (!is_ack_ok(tpm_comm_info))
    {
        LogError("Failure ack byte from tpm is invalid.");
        result = MU_FAILURE;
    }
    else if (power_on_simulator(tpm_comm_info) != 0)
    {
        LogError("Failure powering on simulator.");
        result = MU_FAILURE;
    }
    else
    {
        result = 0;
    }
    return result;
}