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Rethink the whole line discipline architecture. Instead of having
[u/mdw/putty]
/
telnet.c
diff --git
a/telnet.c
b/telnet.c
index
f30902d
..
3e65cd4
100644
(file)
--- a/
telnet.c
+++ b/
telnet.c
@@
-132,6
+132,8
@@
static struct Opt *opts[] = {
&o_we_sga, &o_they_sga, NULL
};
&o_we_sga, &o_they_sga, NULL
};
+static int echoing = TRUE, editing = TRUE;
+
static int in_synch;
static int sb_opt, sb_len;
static char *sb_buf = NULL;
static int in_synch;
static int sb_opt, sb_len;
static char *sb_buf = NULL;
@@
-170,8
+172,11
@@
static void deactivate_option (struct Opt *o) {
* Generate side effects of enabling or disabling an option.
*/
static void option_side_effects(struct Opt *o, int enabled) {
* Generate side effects of enabling or disabling an option.
*/
static void option_side_effects(struct Opt *o, int enabled) {
- if (o->option == TELOPT_ECHO && cfg.ldisc_term)
- ldisc = enabled ? &ldisc_simple : &ldisc_term;
+ if (o->option == TELOPT_ECHO && o->send == DO)
+ echoing = !enabled;
+ else if (o->option = TELOPT_SGA && o->send == DO)
+ editing = !enabled;
+ ldisc_send(NULL, 0); /* cause ldisc to notice the change */
}
static void activate_option (struct Opt *o) {
}
static void activate_option (struct Opt *o) {
@@
-509,15
+514,6
@@
static char *telnet_init (char *host, int port, char **realhost) {
/*
* Initialise option states.
*/
/*
* Initialise option states.
*/
- if( cfg.ldisc_term )
- {
- struct Opt **o;
-
- for (o = opts; *o; o++)
- if ((*o)->state == REQUESTED)
- (*o)->state = INACTIVE;
- }
- else
{
struct Opt **o;
{
struct Opt **o;
@@
-531,11
+527,6
@@
static char *telnet_init (char *host, int port, char **realhost) {
*/
in_synch = FALSE;
*/
in_synch = FALSE;
- /*
- * We have no pre-session phase.
- */
- begin_session();
-
return NULL;
}
return NULL;
}
@@
-638,6
+629,12
@@
static Socket telnet_socket(void) { return s; }
static int telnet_sendok(void) { return 1; }
static int telnet_sendok(void) { return 1; }
+static int telnet_ldisc(int option) {
+ if (option == LD_ECHO) return echoing;
+ if (option == LD_EDIT) return editing;
+ return FALSE;
+}
+
Backend telnet_backend = {
telnet_init,
telnet_send,
Backend telnet_backend = {
telnet_init,
telnet_send,
@@
-645,5
+642,6
@@
Backend telnet_backend = {
telnet_special,
telnet_socket,
telnet_sendok,
telnet_special,
telnet_socket,
telnet_sendok,
+ telnet_ldisc,
23
};
23
};