diff options
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index d73714f77d8..5ada4fd2b6c 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty.c,v 1.149 2019/12/31 13:48:32 visa Exp $ */ +/* $OpenBSD: tty.c,v 1.150 2020/01/08 16:27:41 visa Exp $ */ /* $NetBSD: tty.c,v 1.68.4.2 1996/06/06 16:04:52 thorpej Exp $ */ /*- @@ -723,6 +723,7 @@ ttioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p) /* If the ioctl involves modification, hang if in the background. */ switch (cmd) { + case FIOSETOWN: case TIOCFLUSH: case TIOCDRAIN: case TIOCSBRK: @@ -829,6 +830,11 @@ ttioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p) *(struct timeval *)data = tp->t_tv; splx(s); break; + case FIOGETOWN: /* get pgrp of tty */ + if (!isctty(pr, tp) && suser(p)) + return (ENOTTY); + *(int *)data = tp->t_pgrp ? -tp->t_pgrp->pg_id : 0; + break; case TIOCGPGRP: /* get pgrp of tty */ if (!isctty(pr, tp) && suser(p)) return (ENOTTY); @@ -983,6 +989,28 @@ ttioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p) pr->ps_session->s_ttyp = tp; atomic_setbits_int(&pr->ps_flags, PS_CONTROLT); break; + case FIOSETOWN: { /* set pgrp of tty */ + struct pgrp *pgrp; + struct process *pr1; + pid_t pgid = *(int *)data; + + if (!isctty(pr, tp)) + return (ENOTTY); + if (pgid < 0) { + pgrp = pgfind(-pgid); + } else { + pr1 = prfind(pgid); + if (pr1 == NULL) + return (ESRCH); + pgrp = pr1->ps_pgrp; + } + if (pgrp == NULL) + return (EINVAL); + else if (pgrp->pg_session != pr->ps_session) + return (EPERM); + tp->t_pgrp = pgrp; + break; + } case TIOCSPGRP: { /* set pgrp of tty */ struct pgrp *pgrp = pgfind(*(int *)data); |