void
fromstdin(Conn *c)
{
int n;
char buf[1024];
int pid;
int eofs;
switch(pid = rfork(RFMEM|RFPROC|RFNOWAIT)){
case -1:
error("fork: %r");
case 0:
break;
default:
atexitkill(pid);
return;
}
atexit(atexitkiller);
if(interactive)
rawon();
notify(cookedcatchint);
eofs = 0;
for(;;){
n = read(0, buf, sizeof(buf));
if(n < 0){
if(wasintr()){
if(!raw){
buf[0] = 0x7f;
n = 1;
}else
continue;
}else
break;
}
if(n == 0){
if(!c->interactive || ++eofs > 32)
break;
}else
eofs = 0;
if(interactive && usemenu && n && memchr(buf, 0x1c, n)) {
if(menu(c)=='q'){
sendwritemsg(c, "", 0);
exits("quit");
}
continue;
}
if(!raw && n==0){
buf[0] = 0x4;
n = 1;
}
sendwritemsg(c, buf, n);
}
sendwritemsg(c, "", 0);
if(n >= 0) /* weren't hung up upon? */
atexitdont(atexitkiller);
exits(nil);
}
int
menu(Biobuf *bp, int net)
{
char *cp;
int done;
comm->stopped = 1;
rawoff();
fprint(2, ">>> ");
for(done = 0; !done; ){
cp = Brdline(bp, '\n');
if(cp == 0){
comm->stopped = 0;
return -1;
}
cp[Blinelen(bp)-1] = 0;
switch(*cp){
case '!':
system(Bfildes(bp), cp+1);
done = 1;
break;
case '.':
done = 1;
break;
case 'q':
comm->stopped = 0;
return -1;
case 'o':
switch(*(cp+1)){
case 'd':
send3(net, Iac, Do, atoi(cp+2));
break;
case 'w':
send3(net, Iac, Will, atoi(cp+2));
break;
}
break;
case 'r':
comm->returns = !comm->returns;
done = 1;
break;
case 'i':
send2(net, Iac, Interrupt);
break;
case 'b':
send2(net, Iac, Break);
break;
default:
fprint(2, STDHELP);
break;
}
if(!done)
fprint(2, ">>> ");
}
rawon();
comm->stopped = 0;
return 0;
}
static int
menu(Conn *c)
{
char buf[1024];
int32_t n;
int done;
int wasraw;
wasraw = raw;
if(wasraw)
rawoff();
buf[0] = '?';
fprint(2, ">>> ");
for(done = 0; !done; ){
n = read(0, buf, sizeof(buf)-1);
if(n <= 0)
return -1;
buf[n] = 0;
switch(buf[0]){
case '!':
print(buf);
system(c, buf+1);
print("!\n");
done = 1;
break;
case 'i':
buf[0] = 0x1c;
sendwritemsg(c, buf, 1);
done = 1;
break;
case '.':
case 'q':
done = 1;
break;
case 'r':
crstrip = 1-crstrip;
done = 1;
break;
default:
fprint(2, STDHELP);
break;
}
if(!done)
fprint(2, ">>> ");
}
if(wasraw)
rawon();
else
rawoff();
return buf[0];
}
/*
* suppress local echo if the remote side is doing it
*/
int
echochange(Biobuf *bp, int cmd)
{
USED(bp);
switch(cmd){
case Will:
rawon();
break;
case Wont:
rawoff();
break;
}
return 0;
}
