1 files changed, 79 insertions, 0 deletions
diff --git a/src/internal/ptycon_ioctl_impl.h b/src/internal/ptycon_ioctl_impl.h
index a3d902d..d87ff3a 100644
--- a/src/internal/ptycon_ioctl_impl.h
+++ b/src/internal/ptycon_ioctl_impl.h
@@ -67,4 +67,83 @@ static int32_t ptyc_set_client_info(
 	return NT_STATUS_SUCCESS;
 }
 
+static int32_t ptyc_pty_own(
+	nt_pty *		hpty,
+	nt_runtime_data *	rtdata)
+{
+	int32_t			status;
+	nt_tty_session_info	sessioninfo;
+	nt_tty_sigctl_info	ctlinfo;
+	nt_pty_client_info	ptyinfo;
+	nt_iosb			iosb;
+
+	/* inherited session info */
+	if ((status = ntapi->tty_client_session_query(
+			rtdata->hsession,
+			&sessioninfo)))
+		return status;
+
+	/* simulated fork */
+	sessioninfo.pid	   = rtdata->cid_self.process_id;
+	sessioninfo.pgid   = sessioninfo.pgid ? sessioninfo.pgid : -1;
+	sessioninfo.sid	   = 0;
+	sessioninfo.syspid = 0;
+
+	if ((status = ntapi->tty_client_session_set(
+			rtdata->hsession,
+			&sessioninfo)))
+		return status;
+
+	/* setsid() */
+	sessioninfo.pid	   = rtdata->cid_self.process_id;
+	sessioninfo.pgid   = rtdata->cid_self.process_id;
+	sessioninfo.sid	   = rtdata->cid_self.process_id;
+	sessioninfo.syspid = 0;
+
+	if ((status = ntapi->tty_client_session_set(
+			rtdata->hsession,
+			&sessioninfo)))
+		return status;
+
+	/* ctty */
+	ntapi->tt_aligned_block_memset(
+		&ctlinfo,0,sizeof(ctlinfo));
+
+	if ((status = ntapi->pty_ioctl(
+			hpty,
+			0,0,0,
+			&iosb,
+			TTY_TIOCSCTTY,
+			&ctlinfo,sizeof(ctlinfo),
+			&ctlinfo,sizeof(ctlinfo))))
+		return status;
+
+	/* tcsetpgrp */
+	ntapi->tt_aligned_block_memset(
+		&ctlinfo,0,sizeof(ctlinfo));
+
+	ctlinfo.ctxarg[0] = rtdata->cid_self.process_id;
+
+	if ((status = ntapi->pty_ioctl(
+			hpty,
+			0,0,0,
+			&iosb,
+			TTY_TIOCSPGRP,
+			&ctlinfo,sizeof(ctlinfo),
+			&ctlinfo,sizeof(ctlinfo))))
+		return status;
+
+	/* [ptycon daemon loop]: ctty signals */
+	ntapi->tt_aligned_block_memset(
+		&ptyinfo,0,sizeof(ptyinfo));
+
+	if ((status = ntapi->pty_set(
+			hpty,&iosb,
+			&ptyinfo,sizeof(ptyinfo),
+			NT_PTY_CLIENT_INFORMATION)))
+		return status;
+
+	return NT_STATUS_SUCCESS;
+}
+
 #endif