diff options
Diffstat (limited to 'networking/telnetd.c')
| -rw-r--r-- | networking/telnetd.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/networking/telnetd.c b/networking/telnetd.c index 51bd0c0..25cba3e 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -283,15 +283,19 @@ make_new_session( /* child */ + /* make new process group */ + setsid(); + tcsetpgrp(0, getpid()); + /* ^^^ strace says: "ioctl(0, TIOCSPGRP, [pid]) = -1 ENOTTY" -- ??! */ + /* open the child's side of the tty. */ - fd = xopen(tty_name, O_RDWR /*| O_NOCTTY*/); + /* NB: setsid() disconnects from any previous ctty's. Therefore + * we must open child's side of the tty AFTER setsid! */ + fd = xopen(tty_name, O_RDWR); /* becomes our ctty */ dup2(fd, 0); dup2(fd, 1); dup2(fd, 2); while (fd > 2) close(fd--); - /* make new process group */ - setsid(); - tcsetpgrp(0, getpid()); /* The pseudo-terminal allocated to the client is configured to operate in * cooked mode, and with XTABS CRMOD enabled (see tty(4)). */ |