#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include <X11/Xmd.h>
#include "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#include "lnx.h"
#include <sys/stat.h>
#ifdef USE_DEV_FB
extern char *getenv(const char *);
#include <linux/fb.h>
char *fb_dev_name;
#endif
static Bool KeepTty = FALSE;
static int VTnum = -1;
static Bool VTSwitch = TRUE;
static Bool ShareVTs = FALSE;
static int activeVT = -1;
static int vtPermSave[4];
static char vtname[11];
static struct termios tty_attr;
static int tty_mode;
static int
saveVtPerms(void)
{
struct stat svtp;
if (stat("/dev/tty0", &svtp) != 0)
return 0;
vtPermSave[0] = (int)svtp.st_uid;
vtPermSave[1] = (int)svtp.st_gid;
if (stat(vtname, &svtp) != 0)
return 0;
vtPermSave[2] = (int)svtp.st_uid;
vtPermSave[3] = (int)svtp.st_gid;
return 1;
}
static void
restoreVtPerms(void)
{
chown("/dev/tty0", vtPermSave[0], vtPermSave[1]);
chown(vtname, vtPermSave[2], vtPermSave[3]);
}
static void *console_handler;
static void
drain_console(int fd, void *closure)
{
tcflush(fd, TCIOFLUSH);
}
void
xf86OpenConsole(void)
{
int i, fd = -1;
struct vt_mode VT;
struct vt_stat vts;
MessageType from = X_PROBED;
#ifdef USE_DEV_FB
struct fb_var_screeninfo var;
int fbfd;
#endif
char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL };
char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL };
if (serverGeneration == 1) {
if (KeepTty && geteuid() != 0)
FatalError("xf86OpenConsole:"
" Server must be suid root for option \"KeepTTY\"\n");
if (VTnum != -1) {
xf86Info.vtno = VTnum;
from = X_CMDLINE;
} else {
i=0;
while (tty0[i] != NULL) {
if ((fd = open(tty0[i],O_WRONLY,0)) >= 0)
break;
i++;
}
if (fd < 0)
FatalError(
"xf86OpenConsole: Cannot open /dev/tty0 (%s)\n",
strerror(errno));
if (ShareVTs)
{
if (ioctl(fd, VT_GETSTATE, &vts) == 0)
xf86Info.vtno = vts.v_active;
else
FatalError("xf86OpenConsole: Cannot find the current"
" VT (%s)\n", strerror(errno));
} else {
if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) ||
(xf86Info.vtno == -1))
FatalError("xf86OpenConsole: Cannot find a free VT: %s\n",
strerror(errno));
}
close(fd);
}
#ifdef USE_DEV_FB
if (!ShareVTs)
{
fb_dev_name=getenv("FRAMEBUFFER");
if (!fb_dev_name)
fb_dev_name="/dev/fb0current";
if ((fbfd = open(fb_dev_name, O_RDONLY)) < 0)
FatalError("xf86OpenConsole: Cannot open %s (%s)\n",
fb_dev_name, strerror(errno));
if (ioctl(fbfd, FBIOGET_VSCREENINFO, &var) < 0)
FatalError("xf86OpenConsole: Unable to get screen info %s\n",
strerror(errno));
}
#endif
xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
if (!KeepTty) {
pid_t ppid = getppid();
pid_t ppgid;
ppgid = getpgid(ppid);
if (setpgid(0,ppgid) < 0)
xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n",
strerror(errno));
if ((setsid() < 0))
xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n",
strerror(errno));
}
i=0;
while (vcs[i] != NULL) {
sprintf(vtname, vcs[i], xf86Info.vtno);
if ((xf86Info.consoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) >= 0)
break;
i++;
}
if (xf86Info.consoleFd < 0)
FatalError("xf86OpenConsole: Cannot open virtual console"
" %d (%s)\n", xf86Info.vtno, strerror(errno));
if (!ShareVTs)
{
if (!saveVtPerms())
xf86Msg(X_WARNING,
"xf86OpenConsole: Could not save ownership of VT\n");
if (chown(vtname, getuid(), getgid()) < 0)
xf86Msg(X_WARNING,"xf86OpenConsole: chown %s failed: %s\n",
vtname, strerror(errno));
if (chown("/dev/tty0", getuid(), getgid()) < 0)
xf86Msg(X_WARNING,"xf86OpenConsole: chown /dev/tty0 failed: %s\n",
strerror(errno));
}
if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts) < 0)
xf86Msg(X_WARNING,"xf86OpenConsole: VT_GETSTATE failed: %s\n",
strerror(errno));
else
activeVT = vts.v_active;
#if 0
if (!KeepTty) {
if ((i = open("/dev/tty",O_RDWR)) >= 0) {
ioctl(i, TIOCNOTTY, 0);
close(i);
}
}
#endif
if (!ShareVTs)
{
struct termios nTty;
#if defined(DO_OS_FONTRESTORE)
lnx_savefont();
#endif
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
FatalError("xf86OpenConsole: VT_ACTIVATE failed: %s\n",
strerror(errno));
if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) < 0)
FatalError("xf86OpenConsole: VT_WAITACTIVE failed: %s\n",
strerror(errno));
if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0)
FatalError("xf86OpenConsole: VT_GETMODE failed %s\n",
strerror(errno));
signal(SIGUSR1, xf86VTRequest);
VT.mode = VT_PROCESS;
VT.relsig = SIGUSR1;
VT.acqsig = SIGUSR1;
if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0)
FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n",
strerror(errno));
if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0)
FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n",
strerror(errno));
tcgetattr(xf86Info.consoleFd, &tty_attr);
ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode);
if (ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW) < 0)
FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n",
strerror(errno));
nTty = tty_attr;
nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
nTty.c_oflag = 0;
nTty.c_cflag = CREAD | CS8;
nTty.c_lflag = 0;
nTty.c_cc[VTIME]=0;
nTty.c_cc[VMIN]=1;
cfsetispeed(&nTty, 9600);
cfsetospeed(&nTty, 9600);
tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty);
console_handler = xf86AddGeneralHandler(xf86Info.consoleFd,
drain_console, NULL);
#ifdef USE_DEV_FB
var.yoffset=0;
var.xoffset=0;
if (ioctl(fbfd, FBIOPUT_VSCREENINFO, &var))
FatalError("Unable to set screen info\n");
close(fbfd);
#endif
} else {
close(xf86Info.consoleFd);
}
signal(SIGUSR2, xf86ReloadInputDevs);
} else {
if (!ShareVTs && VTSwitch)
{
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
xf86Msg(X_WARNING, "xf86OpenConsole: VT_ACTIVATE failed %s\n",
strerror(errno));
}
if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, xf86Info.vtno) < 0)
xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed %s\n",
strerror(errno));
}
return;
}
void
xf86CloseConsole()
{
struct vt_mode VT;
#if defined(DO_OS_FONTRESTORE)
struct vt_stat vts;
int vtno = -1;
#endif
if (ShareVTs) return;
if (console_handler) {
xf86RemoveGeneralHandler(console_handler);
console_handler = NULL;
};
#if defined(DO_OS_FONTRESTORE)
if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts) < 0)
xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETSTATE failed: %s\n",
strerror(errno));
else
vtno = vts.v_active;
#endif
if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT) < 0)
xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n",
strerror(errno));
ioctl(xf86Info.consoleFd, KDSKBMODE, tty_mode);
tcsetattr(xf86Info.consoleFd, TCSANOW, &tty_attr);
if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0)
xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n",
strerror(errno));
else {
VT.mode = VT_AUTO;
if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0)
xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n",
strerror(errno));
}
if (VTSwitch)
{
if (activeVT >= 0) {
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, activeVT) < 0)
xf86Msg(X_WARNING, "xf86CloseConsole: VT_ACTIVATE failed: %s\n",
strerror(errno));
if (ioctl(xf86Info.consoleFd, VT_WAITACTIVE, activeVT) < 0)
xf86Msg(X_WARNING,
"xf86CloseConsole: VT_WAITACTIVE failed: %s\n",
strerror(errno));
activeVT = -1;
}
#if defined(DO_OS_FONTRESTORE)
if (xf86Info.vtno == vtno)
lnx_restorefont();
lnx_freefontdata();
#endif
}
close(xf86Info.consoleFd);
restoreVtPerms();
return;
}
int
xf86ProcessArgument(int argc, char *argv[], int i)
{
if (!strcmp(argv[i], "-keeptty"))
{
KeepTty = TRUE;
return(1);
}
if (!strcmp(argv[i], "-novtswitch"))
{
VTSwitch = FALSE;
return(1);
}
if (!strcmp(argv[i], "-sharevts"))
{
ShareVTs = TRUE;
return(1);
}
if ((argv[i][0] == 'v') && (argv[i][1] == 't'))
{
if (sscanf(argv[i], "vt%2d", &VTnum) == 0)
{
UseMsg();
VTnum = -1;
return(0);
}
return(1);
}
return(0);
}
void
xf86UseMsg()
{
ErrorF("vtXX use the specified VT number\n");
ErrorF("-keeptty ");
ErrorF("don't detach controlling tty (for debugging only)\n");
ErrorF("-novtswitch don't immediately switch to new VT\n");
ErrorF("-sharevts share VTs with another X server\n");
return;
}