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/*********************************************************/
/* ptycon: a pty-console bridge */
/* Copyright (C) 2016--2017 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PTYCON. */
/*********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/ntapi.h>
#include <ntapi/nt_termios.h>
#include <ptycon/ptycon.h>
#include "ptycon_driver_impl.h"
#include "ptycon_ioctl_impl.h"
#include "ptycon_status_impl.h"
static int32_t ptyc_pty_open(nt_pty * hptm, nt_guid * pty_guid, nt_pty ** hpty)
{
nt_vfd_dev_name pty_name;
nt_oa oa = {sizeof(oa),0,0,0,0,0};
ntapi->vfd_dev_name_init(
&pty_name,pty_guid);
oa.obj_name = &pty_name.name;
oa.root_dir = hptm;
return ntapi->pty_open(
0,hpty,
NT_FILE_ALL_ACCESS,
&oa,0,0,0);
}
static int32_t ptyc_ptm_open(struct ptyc_common_ctx * cctx)
{
nt_guid pty_guid = TTY_PTM_GUID;
return ptyc_pty_open(
0,&pty_guid,
&cctx->hptm);
}
static int32_t ptyc_pts_open(struct ptyc_common_ctx * cctx)
{
int32_t status;
nt_guid pty_guid = TTY_PTS_GUID;
if ((status = ptyc_grant(cctx->hptm)))
return status;
return ptyc_pty_open(
cctx->hptm,&pty_guid,
&cctx->hpts);
}
static int32_t ptyc_make_raw(nt_pty * hpty)
{
int32_t status;
nt_iosb iosb;
nt_tty_sigctl_info ctlinfo;
struct tty_termios termios;
ntapi->tt_aligned_block_memset(
&ctlinfo,0,sizeof(ctlinfo));
if ((status = ntapi->pty_ioctl(
hpty,
0,0,0,
&iosb,
TTY_TCGETS,
&ctlinfo,sizeof(ctlinfo),
&ctlinfo,sizeof(ctlinfo))))
return status;
ntapi->tt_generic_memcpy(
&termios,
&ctlinfo.terminfo,
sizeof(termios));
termios.c_oflag &= ~TTY_OPOST;
termios.c_cflag &= ~(TTY_CSIZE | TTY_PARENB);
termios.c_cflag |= TTY_CS8;
termios.c_lflag &= ~(TTY_ECHO
| TTY_ECHONL
| TTY_ICANON
| TTY_ISIG
| TTY_IEXTEN);
termios.c_iflag &= ~(TTY_IGNBRK
| TTY_BRKINT
| TTY_PARMRK
| TTY_ISTRIP
| TTY_INLCR
| TTY_IGNCR
| TTY_ICRNL
| TTY_IXON);
ntapi->tt_aligned_block_memset(
&ctlinfo,0,sizeof(ctlinfo));
ntapi->tt_generic_memcpy(
&ctlinfo.terminfo,
&termios,
sizeof(termios));
return ntapi->pty_ioctl(
hpty,
0,0,0,
&iosb,
TTY_TCSETS,
&ctlinfo,sizeof(ctlinfo),
&ctlinfo,sizeof(ctlinfo));
}
static int32_t ptyc_make_oven(nt_pty * hpty)
{
int32_t status;
nt_iosb iosb;
nt_tty_sigctl_info ctlinfo;
struct tty_termios termios;
ntapi->tt_aligned_block_memset(
&ctlinfo,0,sizeof(ctlinfo));
if ((status = ntapi->pty_ioctl(
hpty,
0,0,0,
&iosb,
TTY_TCGETS,
&ctlinfo,sizeof(ctlinfo),
&ctlinfo,sizeof(ctlinfo))))
return status;
ntapi->tt_generic_memcpy(
&termios,
&ctlinfo.terminfo,
sizeof(termios));
termios.c_cflag = TTY_CBAUD | TTY_CREAD | TTY_CS8 | TTY_HUPCL;
termios.c_iflag = TTY_ICRNL | TTY_BRKINT | TTY_IXON;
termios.c_lflag = TTY_ECHO
| TTY_ECHOCTL
| TTY_ECHOE
| TTY_ECHOK
| TTY_ECHOKE
| TTY_ICANON
| TTY_ISIG
| TTY_IEXTEN;
termios.c_oflag = TTY_OPOST
| TTY_ONLCR
| TTY_TAB0
| TTY_VT0
| TTY_BS0
| TTY_CR0
| TTY_FF0
| TTY_NL0;
ntapi->tt_aligned_block_memset(
&ctlinfo,0,sizeof(ctlinfo));
ntapi->tt_generic_memcpy(
&ctlinfo.terminfo,
&termios,
sizeof(termios));
return ntapi->pty_ioctl(
hpty,
0,0,0,
&iosb,
TTY_TCSETS,
&ctlinfo,sizeof(ctlinfo),
&ctlinfo,sizeof(ctlinfo));
}
int ptyc_alloc_pty(struct ptyc_driver_ctx * dctx)
{
int32_t status;
struct ptyc_driver_ctx_impl * ictx;
struct ptyc_common_ctx * cctx;
if (!(ictx = ptyc_get_driver_ictx(dctx)))
return NT_STATUS_INVALID_HANDLE;
cctx = &ictx->cctx;
if (cctx->hpts || cctx->hptm)
return ptyc_set_status(
dctx,NT_STATUS_DEVICE_ALREADY_ATTACHED);
if ((status = ptyc_ptm_open(cctx)))
return ptyc_set_status(
dctx,status);
if ((status = ptyc_make_raw(cctx->hptm)))
return ptyc_set_status(
dctx,status);
if ((status = ptyc_pts_open(cctx)))
return ptyc_set_status(
dctx,status);
if ((status = ptyc_set_client_info(cctx->hpts,&ictx->clctx.clinfo)))
return ptyc_set_status(
dctx,status);
if (cctx->drvflags & PTYC_DRIVER_DBG_RAW)
if ((status = ptyc_make_raw(cctx->hpts)))
return ptyc_set_status(
dctx,status);
if (cctx->drvflags & PTYC_DRIVER_DBG_OVEN)
if ((status = ptyc_make_oven(cctx->hpts)))
return ptyc_set_status(
dctx,status);
if (cctx->drvflags & (PTYC_DRIVER_DBG_RAW|PTYC_DRIVER_DBG_OVEN))
if ((status = ptyc_pty_own(cctx->hpts,ictx->rtdata)))
return ptyc_set_status(
dctx,status);
return ptyc_set_status(
dctx,NT_STATUS_SUCCESS);
}
void ptyc_free_pty(struct ptyc_driver_ctx * dctx)
{
struct ptyc_driver_ctx_impl * ictx;
if (!(ictx = ptyc_get_driver_ictx(dctx)))
return;
if (ictx->cctx.hpts) {
ntapi->pty_close(ictx->cctx.hpts);
ictx->cctx.hpts = 0;
}
if (ictx->cctx.hptm) {
ntapi->pty_close(ictx->cctx.hptm);
ictx->cctx.hptm = 0;
}
}
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