static ssize_t mailstream_low_ssl_write(mailstream_low * s,
const void * buf, size_t count)
{
struct mailstream_ssl_data * ssl_data;
int r;
ssl_data = (struct mailstream_ssl_data *) s->data;
r = wait_write(s);
if (r <= 0)
return r;
r = gnutls_record_send(ssl_data->session, buf, count);
if (r > 0)
return r;
switch (r) {
case 0:
return -1;
case GNUTLS_E_AGAIN:
case GNUTLS_E_INTERRUPTED:
return 0;
default:
return r;
}
}
static ssize_t mailstream_low_ssl_write(mailstream_low * s,
const void * buf, size_t count)
{
struct mailstream_ssl_data * ssl_data;
int ssl_r;
int r;
ssl_data = (struct mailstream_ssl_data *) s->data;
r = wait_write(s);
if (r <= 0)
return r;
r = SSL_write(ssl_data->ssl_conn, buf, count);
if (r > 0)
return r;
ssl_r = SSL_get_error(ssl_data->ssl_conn, r);
switch (ssl_r) {
case SSL_ERROR_NONE:
return r;
case SSL_ERROR_ZERO_RETURN:
return -1;
case SSL_ERROR_WANT_WRITE:
return 0;
default:
return r;
}
}
static void chg_config(uchar clr, uchar set)
{
uchar old = get_config();
outb(PS2_CMND, 0x60);
do_assert(wait_write());
outb(PS2_DATA, (old & ~clr) | set);
}
static void ps2_command(uint port, uchar cmd, uchar * buf, int sz)
{
int i;
if (port) outb(PS2_CMND, 0xD4);
do_assert(wait_write());
outb(PS2_DATA, cmd);
do_assert(wait_read());
if (inb(PS2_DATA) != 0xFA) {
assert(0);
}
if (buf != NULL) {
for (i = 0; wait_read() && i < sz; i++) {
buf[i] = inb(PS2_DATA);
}
}
}
