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#include "bbs.h"
static TelnetCtx telnet_ctx;
static char raw_connection = 0;
#ifdef DETECT_CLIENT
extern void UpdateClientCode(unsigned char c);
static void
telnet_cb_update_client_code(void *cc_arg, unsigned char c)
{
UpdateClientCode(c);
}
#endif
static void
telnet_cb_resize_term(void *resize_arg, int w, int h)
{
term_resize(w, h);
}
const static struct TelnetCallback telnet_callback = {
NULL,
telnet_cb_resize_term,
#ifdef DETECT_CLIENT
telnet_cb_update_client_code,
#else
NULL,
#endif
};
void
telnet_init(int do_init_cmd)
{
int fd = 0;
TelnetCtx *ctx = &telnet_ctx;
raw_connection = 1;
telnet_ctx_init(ctx, &telnet_callback, fd);
#ifdef DETECT_CLIENT
telnet_ctx_set_cc_arg(ctx, (void*)1);
#endif
if (do_init_cmd)
telnet_ctx_send_init_cmds(ctx);
}
/* tty_read
* read from tty, process telnet commands if raw connection.
* return: >0 = length, <=0 means read more, abort/eof is automatically processed.
*/
ssize_t
tty_read(unsigned char *buf, size_t max)
{
ssize_t l = read(0, buf, max);
TelnetCtx *ctx = &telnet_ctx;
if(l == 0 || (l < 0 && !(errno == EINTR || errno == EAGAIN)))
abort_bbs(0);
if(!raw_connection || l <= 0)
return l;
l = telnet_process(ctx, buf, l);
return l;
}
void
telnet_turnoff_client_detect(void)
{
TelnetCtx *ctx = &telnet_ctx;
telnet_ctx_set_cc_arg(ctx, NULL);
}
// vim: sw=4
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