diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/usl/usl_init.c')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/usl/usl_init.c | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/xorg-server/hw/xfree86/os-support/usl/usl_init.c b/xorg-server/hw/xfree86/os-support/usl/usl_init.c deleted file mode 100644 index d27b206c8..000000000 --- a/xorg-server/hw/xfree86/os-support/usl/usl_init.c +++ /dev/null @@ -1,357 +0,0 @@ -/* - * Copyright 2001-2005 by Kean Johnston <jkj@sco.com> - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany - * Copyright 1993 by David Wexelblat <dwex@goblin.org> - * - * 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 Thomas Roell, David Wexelblat - * and Kean Johnston not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior permission. - * Thomas Roell, David Wexelblat and Kean Johnston make no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * THOMAS ROELL, DAVID WEXELBLAT AND KEAN JOHNSTON DISCLAIM ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL THOMAS ROELLm DAVID WEXELBLAT - * OR KEAN JOHNSTON 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. - * - */ - -#include "X.h" -#include "Xmd.h" - -#include "compiler.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -#include <sys/utsname.h> - -static Bool KeepTty = FALSE; -static Bool Protect0 = FALSE; -static Bool CRTSpecified = FALSE; -static int VTnum = -1; -static char vtdevice[48]; - -int usl_is_osr6 = -1; - -static Bool -IsConsoleDevice(const char *dev) -{ - if ((!strcmp (dev, "/dev/console")) || - (!strcmp (dev, "/dev/syscon")) || - (!strcmp (dev, "/dev/systty"))) - return TRUE; - - return FALSE; -} - -static int -is_osr6 (void) -{ - struct utsname uts; - - if (usl_is_osr6 == -1) { - if (uname (&uts) < 0) { - FatalError ("get_usl_ver: Failed to determine UNIX name (%s)\n", - strerror (errno)); - } - - if (uts.version[0] == '6') - usl_is_osr6 = 1; - else - usl_is_osr6 = 0; - } - - return usl_is_osr6; -} - - -void -xf86OpenConsole(void) -{ - int fd, i, ioctl_ret; - struct vt_mode VT; - struct vt_stat vts; - MessageType from = X_PROBED; - struct sigaction sigvtsw; - char *ttn; - - if (serverGeneration == 1) { - int isconsole = 0, consdev = 0; - - /* check if we're run with euid==0 */ - if (geteuid() != 0) { - FatalError("xf86OpenConsole: Server must be suid root\n"); - } - - /* If we are run in the background we will get SIGTTOU. Ignore it. */ - OsSignal (SIGTTOU, SIG_IGN); - - /* 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 ((int)mmap(0, 0x1000, PROT_NONE, - MAP_FIXED | MAP_SHARED, fd, 0) == -1) { - xf86Msg(X_WARNING, "xf86OpenConsole: failed to protect page 0 (%s)\n", - strerror(errno)); - } - close(fd); - } - } - - /* - * setup the virtual terminal manager - */ - if (VTnum == -1) { - /* - * No device was specified. We need to query the kernel to see which - * console device we are on (and in fact if we are on a console at all). - */ - if (ioctl (0, VT_GETSTATE, &vts) < 0) { - FatalError("xf86OpenConsole: Could not query active VT: %s\n", - strerror(errno)); - } - VTnum = vts.v_active; - if (is_osr6()) - snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum + 1); - else - snprintf (vtdevice, sizeof(vtdevice), "/dev/vt%02d", VTnum); - } else { - from = X_CMDLINE; - if (is_osr6()) - snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum + 1); - else - snprintf (vtdevice, sizeof(vtdevice), "/dev/vt%02d", VTnum); - } - - if (IsConsoleDevice(vtdevice)) { - isconsole = 1; - CRTSpecified = FALSE; /* Dont honour -crt /dev/console */ - } - - if (ioctl (0, KIOCINFO, 0) >= 0) - consdev = 1 + isconsole; - - if ((!CRTSpecified) && (isconsole || (!consdev))) { - /* - * Need to find a free VT - */ - if ((fd = open ("/dev/console", O_WRONLY | O_NOCTTY)) < 0) { - FatalError ("xf86OpenConsole: Could not open /dev/console: %s\n", - strerror (errno)); - } - - if (ioctl (fd, VT_OPENQRY, &VTnum) < 0) { - FatalError ("xf86OpenConsole: Cannot find a free VT: %s\n", - strerror(errno)); - } - close (fd); - if (usl_is_osr6) - snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum + 1); - else - snprintf (vtdevice, sizeof(vtdevice), "/dev/vt%02d", VTnum); - } - - /* - * Now we can dispose of stdin/stdout - */ - fclose (stdin); - fclose (stdout); - - if (CRTSpecified || isconsole || consdev != 1) { - if (!KeepTty) { - setpgrp(); - } - } - - if ((xf86Info.consoleFd = open(vtdevice, O_RDWR | O_NONBLOCK, 0)) < 0) { - FatalError("xf86OpenConsole: Cannot open %s: %s\n", vtdevice, - strerror(errno)); - } - - xf86Msg (from, "using VT number %d (%s)\n\n", VTnum, vtdevice); - xf86Info.vtno = VTnum; - - /* change ownership of the vt */ - chown(vtdevice, getuid(), getgid()); - - /* - * now get the VT - */ - 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)); - } - - sigvtsw.sa_handler = xf86VTRequest; - sigfillset(&sigvtsw.sa_mask); - sigvtsw.sa_flags = 0; - sigaction(SIGUSR1, &sigvtsw, NULL); - - VT.mode = VT_PROCESS; - VT.relsig = SIGUSR1; - VT.acqsig = SIGUSR1; - - ioctl_ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); - if (ioctl_ret < 0) { - FatalError("xf86OpenConsole: VT_SETMODE failed: %s\n", strerror(errno)); - } - - if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) { - FatalError("xf86OpenConsole: KD_GRAPHICS failed: %s\n", strerror(errno)); - } - } else { /* serverGeneration != 1 */ - /* - * now get the VT - */ - 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 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 (!xf86Screens[0]->vtSema) - sleep(5); - } - return; -} - -void -xf86CloseConsole(void) -{ - struct vt_mode VT; - struct sigaction sigvtsw; - - ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT); /* Back to text mode ... */ - - sigvtsw.sa_handler = SIG_DFL; - sigfillset(&sigvtsw.sa_mask); - sigvtsw.sa_flags = 0; - sigaction(SIGUSR1, &sigvtsw, NULL); - - if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1) { - VT.mode = VT_AUTO; - VT.waitv = 0; - ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* set dflt vt handling */ - } - close(xf86Info.consoleFd); /* make the vt-manager happy */ - return; -} - -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); - } - - if ((argv[i][0] == 'v') && (argv[i][1] == 't')) { - if (sscanf(argv[i], "vt%2d", &VTnum) == 0) { - UseMsg(); - VTnum = -1; - return(0); - } - VTnum -= is_osr6(); - CRTSpecified = TRUE; - return(1); - } - - /* - * Use a device the user specifies. - */ - if (!strcmp(argv[i], "-crt")) { - if (++i > argc) { - UseMsg(); - VTnum = -1; - return(0); - } else { - char *mytty = ttyname(0); - char *arg = argv[i]; - - if (!mytty) - mytty = "\1"; - if (!arg[0]) - arg = "\2"; /* Prevent idiots from using -crt "" */ - - if (strcmp (mytty, arg) != 0) { - char *fmt; - - if (is_osr6()) - fmt = "/dev/tty%02d"; - else - fmt = "/dev/vt%02d"; - - if (sscanf(arg, fmt, &VTnum) == 0) { - UseMsg(); - VTnum = -1; - return(0); - } - - /* OSR6 devices start names at 1, UW7 starts at 0 */ - VTnum -= is_osr6(); - CRTSpecified = TRUE; - } - return(2); - } - } - return(0); -} - -void -xf86UseMsg(void) -{ - if (is_osr6()) { - ErrorF("-crt /dev/ttyXX use the specified VT device\n"); - ErrorF("vtXX use the specified VT number (01-16)\n"); - } else { - ErrorF("-crt /dev/vtXX use the specified VT device\n"); - ErrorF("vtXX use the specified VT number (00-15)\n"); - } - - ErrorF("-keeptty "); - ErrorF("don't detach controlling tty (for debugging only)\n"); - return; -} |