60014a4a98
This lets us stop using the 'pointer' typedef in Xdefs.h as 'pointer' is used throughout the X server for other things, and having duplicate names generates compiler warnings. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Eric Anholt <eric@anholt.net>
425 lines
13 KiB
C
425 lines
13 KiB
C
/*
|
|
* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany
|
|
* Copyright 1993 by David Wexelblat <dwex@goblin.org>
|
|
* Copyright 1999 by David Holland <davidh@iquest.net>
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the names of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, AND IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include "xf86.h"
|
|
#include "xf86Priv.h"
|
|
#include "xf86_OSlib.h"
|
|
#ifdef HAVE_SYS_KD_H
|
|
#include <sys/kd.h>
|
|
#endif
|
|
|
|
/*
|
|
* Applications see VT number as consecutive integers starting from 1.
|
|
* VT number VT device
|
|
* -------------------------------------------------------
|
|
* 1 : /dev/vt/0 (Alt + Ctrl + F1)
|
|
* 2 : /dev/vt/2 (Alt + Ctrl + F2)
|
|
* 3 : /dev/vt/3 (Alt + Ctrl + F3)
|
|
* ... ...
|
|
*/
|
|
#define CONSOLE_VTNO 1
|
|
#define SOL_CONSOLE_DEV "/dev/console"
|
|
|
|
static Bool KeepTty = FALSE;
|
|
static Bool Protect0 = FALSE;
|
|
static Bool UseConsole = FALSE;
|
|
|
|
#ifdef HAS_USL_VTS
|
|
static int VTnum = -1;
|
|
static int xf86StartVT = -1;
|
|
static int vtEnabled = 0;
|
|
extern void xf86VTAcquire(int);
|
|
extern void xf86VTRelease(int);
|
|
#endif
|
|
|
|
/* Device to open as xf86Info.consoleFd */
|
|
static char consoleDev[PATH_MAX] = "/dev/fb";
|
|
|
|
/* Set by -dev argument on CLI
|
|
Used by hw/xfree86/common/xf86AutoConfig.c for VIS_GETIDENTIFIER */
|
|
_X_HIDDEN char xf86SolarisFbDev[PATH_MAX] = "/dev/fb";
|
|
|
|
static void
|
|
switch_to(int vt, const char *from)
|
|
{
|
|
int ret;
|
|
|
|
SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_ACTIVATE, vt));
|
|
if (ret != 0)
|
|
xf86Msg(X_WARNING, "%s: VT_ACTIVATE failed: %s\n",
|
|
from, strerror(errno));
|
|
|
|
SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_WAITACTIVE, vt));
|
|
if (ret != 0)
|
|
xf86Msg(X_WARNING, "%s: VT_WAITACTIVE failed: %s\n",
|
|
from, strerror(errno));
|
|
}
|
|
|
|
void
|
|
xf86OpenConsole(void)
|
|
{
|
|
int i;
|
|
|
|
#ifdef HAS_USL_VTS
|
|
int fd;
|
|
struct vt_mode VT;
|
|
struct vt_stat vtinfo;
|
|
MessageType from = X_PROBED;
|
|
#endif
|
|
|
|
if (serverGeneration == 1) {
|
|
/* Check if we're run with euid==0 */
|
|
if (geteuid() != 0)
|
|
FatalError("xf86OpenConsole: Server must be suid root\n");
|
|
|
|
/* Protect page 0 to help find NULL dereferencing */
|
|
/* mprotect() doesn't seem to work */
|
|
if (Protect0) {
|
|
int fd = -1;
|
|
|
|
if ((fd = open("/dev/zero", O_RDONLY, 0)) < 0) {
|
|
xf86Msg(X_WARNING,
|
|
"xf86OpenConsole: cannot open /dev/zero (%s)\n",
|
|
strerror(errno));
|
|
}
|
|
else {
|
|
if (mmap(0, 0x1000, PROT_NONE,
|
|
MAP_FIXED | MAP_SHARED, fd, 0) == MAP_FAILED)
|
|
xf86Msg(X_WARNING,
|
|
"xf86OpenConsole: failed to protect page 0 (%s)\n",
|
|
strerror(errno));
|
|
|
|
close(fd);
|
|
}
|
|
}
|
|
|
|
#ifdef HAS_USL_VTS
|
|
|
|
/*
|
|
* Setup the virtual terminal manager
|
|
*/
|
|
if ((fd = open("/dev/vt/0", O_RDWR, 0)) == -1) {
|
|
xf86ErrorF("xf86OpenConsole: Cannot open /dev/vt/0 (%s)\n",
|
|
strerror(errno));
|
|
vtEnabled = 0;
|
|
}
|
|
else {
|
|
if (ioctl(fd, VT_ENABLED, &vtEnabled) < 0) {
|
|
xf86ErrorF("xf86OpenConsole: VT_ENABLED failed (%s)\n",
|
|
strerror(errno));
|
|
vtEnabled = 0;
|
|
}
|
|
}
|
|
#endif /* HAS_USL_VTS */
|
|
|
|
if (UseConsole) {
|
|
strlcpy(consoleDev, SOL_CONSOLE_DEV, sizeof(consoleDev));
|
|
|
|
#ifdef HAS_USL_VTS
|
|
xf86Info.vtno = CONSOLE_VTNO;
|
|
|
|
if (vtEnabled == 0) {
|
|
xf86StartVT = 0;
|
|
}
|
|
else {
|
|
if (ioctl(fd, VT_GETSTATE, &vtinfo) < 0)
|
|
FatalError
|
|
("xf86OpenConsole: Cannot determine current VT\n");
|
|
xf86StartVT = vtinfo.v_active;
|
|
}
|
|
#endif /* HAS_USL_VTS */
|
|
goto OPENCONSOLE;
|
|
}
|
|
|
|
#ifdef HAS_USL_VTS
|
|
if (vtEnabled == 0) {
|
|
/* VT not enabled - kernel too old or Sparc platforms
|
|
without visual_io support */
|
|
xf86Msg(from, "VT infrastructure is not available\n");
|
|
|
|
xf86StartVT = 0;
|
|
xf86Info.vtno = 0;
|
|
strlcpy(consoleDev, xf86SolarisFbDev, sizeof(consoleDev));
|
|
goto OPENCONSOLE;
|
|
}
|
|
|
|
if (ioctl(fd, VT_GETSTATE, &vtinfo) < 0)
|
|
FatalError("xf86OpenConsole: Cannot determine current VT\n");
|
|
|
|
xf86StartVT = vtinfo.v_active;
|
|
|
|
if (VTnum != -1) {
|
|
xf86Info.vtno = VTnum;
|
|
from = X_CMDLINE;
|
|
}
|
|
else if (xf86Info.ShareVTs) {
|
|
xf86Info.vtno = vtinfo.v_active;
|
|
from = X_CMDLINE;
|
|
}
|
|
else {
|
|
if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) ||
|
|
(xf86Info.vtno == -1)) {
|
|
FatalError("xf86OpenConsole: Cannot find a free VT\n");
|
|
}
|
|
}
|
|
|
|
xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
|
|
snprintf(consoleDev, PATH_MAX, "/dev/vt/%d", xf86Info.vtno);
|
|
|
|
if (fd != -1) {
|
|
close(fd);
|
|
}
|
|
|
|
#endif /* HAS_USL_VTS */
|
|
|
|
OPENCONSOLE:
|
|
if (!KeepTty)
|
|
setpgrp();
|
|
|
|
if (((xf86Info.consoleFd = open(consoleDev, O_RDWR | O_NDELAY, 0)) < 0))
|
|
FatalError("xf86OpenConsole: Cannot open %s (%s)\n",
|
|
consoleDev, strerror(errno));
|
|
|
|
/* Change ownership of the vt or console */
|
|
chown(consoleDev, getuid(), getgid());
|
|
|
|
#ifdef HAS_USL_VTS
|
|
if (xf86Info.ShareVTs)
|
|
return;
|
|
|
|
if (vtEnabled) {
|
|
/*
|
|
* Now get the VT
|
|
*/
|
|
switch_to(xf86Info.vtno, "xf86OpenConsole");
|
|
|
|
#ifdef VT_SET_CONSUSER /* added in snv_139 */
|
|
if (strcmp(display, "0") == 0)
|
|
if (ioctl(xf86Info.consoleFd, VT_SET_CONSUSER) != 0)
|
|
xf86Msg(X_WARNING,
|
|
"xf86OpenConsole: VT_SET_CONSUSER failed\n");
|
|
#endif
|
|
|
|
if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0)
|
|
FatalError("xf86OpenConsole: VT_GETMODE failed\n");
|
|
|
|
OsSignal(SIGUSR1, xf86VTAcquire);
|
|
OsSignal(SIGUSR2, xf86VTRelease);
|
|
|
|
VT.mode = VT_PROCESS;
|
|
VT.acqsig = SIGUSR1;
|
|
VT.relsig = SIGUSR2;
|
|
|
|
if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0)
|
|
FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed\n");
|
|
|
|
if (ioctl(xf86Info.consoleFd, VT_SETDISPINFO, atoi(display)) < 0)
|
|
xf86Msg(X_WARNING, "xf86OpenConsole: VT_SETDISPINFO failed\n");
|
|
}
|
|
#endif
|
|
|
|
#ifdef KDSETMODE
|
|
SYSCALL(i = ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS));
|
|
if (i < 0) {
|
|
xf86Msg(X_WARNING,
|
|
"xf86OpenConsole: KDSETMODE KD_GRAPHICS failed on %s (%s)\n",
|
|
consoleDev, strerror(errno));
|
|
}
|
|
#endif
|
|
}
|
|
else { /* serverGeneration != 1 */
|
|
|
|
#ifdef HAS_USL_VTS
|
|
if (vtEnabled && !xf86Info.ShareVTs) {
|
|
/*
|
|
* Now re-get the VT
|
|
*/
|
|
if (xf86Info.autoVTSwitch)
|
|
switch_to(xf86Info.vtno, "xf86OpenConsole");
|
|
|
|
#ifdef VT_SET_CONSUSER /* added in snv_139 */
|
|
if (strcmp(display, "0") == 0)
|
|
if (ioctl(xf86Info.consoleFd, VT_SET_CONSUSER) != 0)
|
|
xf86Msg(X_WARNING,
|
|
"xf86OpenConsole: VT_SET_CONSUSER failed\n");
|
|
#endif
|
|
|
|
/*
|
|
* If the server doesn't have the VT when the reset occurs,
|
|
* this is to make sure we don't continue until the activate
|
|
* signal is received.
|
|
*/
|
|
if (!xf86VTOwner())
|
|
sleep(5);
|
|
}
|
|
#endif /* HAS_USL_VTS */
|
|
|
|
}
|
|
}
|
|
|
|
void
|
|
xf86CloseConsole(void)
|
|
{
|
|
#ifdef HAS_USL_VTS
|
|
struct vt_mode VT;
|
|
#endif
|
|
|
|
#if !defined(__i386__) && !defined(__i386) && !defined(__x86)
|
|
|
|
if (!xf86DoConfigure) {
|
|
int fd;
|
|
|
|
/*
|
|
* Wipe out framebuffer just like the non-SI Xsun server does. This
|
|
* could be improved by saving framebuffer contents in
|
|
* xf86OpenConsole() above and restoring them here. Also, it's unclear
|
|
* at this point whether this should be done for all framebuffers in
|
|
* the system, rather than only the console.
|
|
*/
|
|
if ((fd = open(xf86SolarisFbDev, O_RDWR, 0)) < 0) {
|
|
xf86Msg(X_WARNING,
|
|
"xf86CloseConsole(): unable to open framebuffer (%s)\n",
|
|
strerror(errno));
|
|
}
|
|
else {
|
|
struct fbgattr fbattr;
|
|
|
|
if ((ioctl(fd, FBIOGATTR, &fbattr) < 0) &&
|
|
(ioctl(fd, FBIOGTYPE, &fbattr.fbtype) < 0)) {
|
|
xf86Msg(X_WARNING,
|
|
"xf86CloseConsole(): unable to retrieve framebuffer"
|
|
" attributes (%s)\n", strerror(errno));
|
|
}
|
|
else {
|
|
void *fbdata;
|
|
|
|
fbdata = mmap(NULL, fbattr.fbtype.fb_size,
|
|
PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
|
if (fbdata == MAP_FAILED) {
|
|
xf86Msg(X_WARNING,
|
|
"xf86CloseConsole(): unable to mmap framebuffer"
|
|
" (%s)\n", strerror(errno));
|
|
}
|
|
else {
|
|
memset(fbdata, 0, fbattr.fbtype.fb_size);
|
|
munmap(fbdata, fbattr.fbtype.fb_size);
|
|
}
|
|
}
|
|
|
|
close(fd);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef KDSETMODE
|
|
/* Reset the display back to text mode */
|
|
SYSCALL(ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT));
|
|
#endif
|
|
|
|
#ifdef HAS_USL_VTS
|
|
if (vtEnabled) {
|
|
if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) {
|
|
VT.mode = VT_AUTO; /* Set default vt handling */
|
|
ioctl(xf86Info.consoleFd, VT_SETMODE, &VT);
|
|
}
|
|
|
|
/* Activate the VT that X was started on */
|
|
if (xf86Info.autoVTSwitch)
|
|
switch_to(xf86StartVT, "xf86CloseConsole");
|
|
}
|
|
#endif /* HAS_USL_VTS */
|
|
|
|
close(xf86Info.consoleFd);
|
|
}
|
|
|
|
int
|
|
xf86ProcessArgument(int argc, char **argv, int i)
|
|
{
|
|
/*
|
|
* Keep server from detaching from controlling tty. This is useful when
|
|
* debugging, so the server can receive keyboard signals.
|
|
*/
|
|
if (!strcmp(argv[i], "-keeptty")) {
|
|
KeepTty = TRUE;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Undocumented flag to protect page 0 from read/write to help catch NULL
|
|
* pointer dereferences. This is purely a debugging flag.
|
|
*/
|
|
if (!strcmp(argv[i], "-protect0")) {
|
|
Protect0 = TRUE;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Use /dev/console as the console device.
|
|
*/
|
|
if (!strcmp(argv[i], "-C")) {
|
|
UseConsole = TRUE;
|
|
return 1;
|
|
}
|
|
|
|
#ifdef HAS_USL_VTS
|
|
|
|
if ((argv[i][0] == 'v') && (argv[i][1] == 't')) {
|
|
if (sscanf(argv[i], "vt%d", &VTnum) == 0) {
|
|
UseMsg();
|
|
VTnum = -1;
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
#endif /* HAS_USL_VTS */
|
|
|
|
if ((i + 1) < argc) {
|
|
if (!strcmp(argv[i], "-dev")) {
|
|
strlcpy(xf86SolarisFbDev, argv[i + 1], sizeof(xf86SolarisFbDev));
|
|
return 2;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
xf86UseMsg(void)
|
|
{
|
|
#ifdef HAS_USL_VTS
|
|
ErrorF("vtX Use the specified VT number\n");
|
|
#endif
|
|
ErrorF("-dev <fb> Framebuffer device\n");
|
|
ErrorF("-keeptty Don't detach controlling tty\n");
|
|
ErrorF(" (for debugging only)\n");
|
|
ErrorF("-C Use /dev/console as the console device\n");
|
|
}
|