diff options
Diffstat (limited to 'hw/xfree86/os-support/linux/lnx_init.c')
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_init.c | 78 |
1 files changed, 16 insertions, 62 deletions
diff --git a/hw/xfree86/os-support/linux/lnx_init.c b/hw/xfree86/os-support/linux/lnx_init.c index ea305e38d..0ac8c6a8b 100644 --- a/hw/xfree86/os-support/linux/lnx_init.c +++ b/hw/xfree86/os-support/linux/lnx_init.c @@ -1,4 +1,3 @@ -/* $XdotOrg: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c,v 3.15 2003/12/02 20:45:13 dawes Exp $ */ /* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_init.c,v 3.14 2001/10/31 22:50:30 tsi Exp $ */ /* * Copyright 1992 by Orest Zborowski <obz@Kodak.com> @@ -8,19 +7,19 @@ * 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 Orest Zborowski and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of + * documentation, and that the names of Orest Zborowski and David Wexelblat + * not be used in advertising or publicity pertaining to distribution of * the software without specific, written prior permission. Orest Zborowski - * and David Wexelblat make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or + * and David Wexelblat make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or * implied warranty. * - * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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 + * OREST ZBOROWSKI AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD + * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID WEXELBLAT 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. * */ @@ -36,8 +35,6 @@ #include "xf86_OSlib.h" #include "lnx.h" -#include <sys/stat.h> - #ifdef USE_DEV_FB extern char *getenv(const char *); #include <linux/fb.h> @@ -48,44 +45,13 @@ static Bool KeepTty = FALSE; static int VTnum = -1; static int activeVT = -1; -static int vtPermSave[4]; -static char vtname[11]; - -static int -saveVtPerms(void) -{ - /* We need to use stat to get permissions. */ - struct stat svtp; - - /* Do them numerically ordered, hard coded tty0 first. */ - if (stat("/dev/tty0", &svtp) != 0) - return 0; - vtPermSave[0] = (int)svtp.st_uid; - vtPermSave[1] = (int)svtp.st_gid; - - /* Now check the console we are dealing with. */ - 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) -{ - /* Set the terminal permissions back to before we started. */ - chown("/dev/tty0", vtPermSave[0], vtPermSave[1]); - chown(vtname, vtPermSave[2], vtPermSave[3]); -} - void xf86OpenConsole(void) { int i, fd = -1; int result; struct vt_mode VT; + char vtname[11]; struct vt_stat vts; MessageType from = X_PROBED; #ifdef USE_DEV_FB @@ -95,7 +61,7 @@ xf86OpenConsole(void) char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; - if (serverGeneration == 1) + if (serverGeneration == 1) { /* check if we're run with euid==0 */ if (geteuid() != 0) @@ -158,15 +124,6 @@ xf86OpenConsole(void) xf86Info.vtno, strerror(errno)); } - /* - * Grab the vt ownership before we overwrite it. - * Hard coded /dev/tty0 into this function as well for below. - */ - if (!saveVtPerms()){ - xf86Msg(X_WARNING, - "xf86OpenConsole: Could not save ownership of VT\n"); - } - /* change ownership of the vt */ chown(vtname, getuid(), getgid()); @@ -214,7 +171,7 @@ xf86OpenConsole(void) xf86Msg(X_WARNING, "xf86OpenConsole: VT_WAITACTIVE failed\n"); } SYSCALL(result = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT)); - if (result < 0) + if (result < 0) { FatalError("xf86OpenConsole: VT_GETMODE failed\n"); } @@ -224,7 +181,7 @@ xf86OpenConsole(void) VT.mode = VT_PROCESS; VT.relsig = SIGUSR1; VT.acqsig = SIGUSR1; - if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) + if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0) { FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed\n"); } @@ -245,7 +202,7 @@ xf86OpenConsole(void) close(fbfd); #endif } - else + else { /* serverGeneration != 1 */ /* @@ -290,9 +247,6 @@ xf86CloseConsole() activeVT = -1; } close(xf86Info.consoleFd); /* make the vt-manager happy */ - - restoreVtPerms(); /* restore the permissions */ - return; } @@ -300,7 +254,7 @@ int xf86ProcessArgument(int argc, char *argv[], int i) { /* - * Keep server from detaching from controlling tty. This is useful + * Keep server from detaching from controlling tty. This is useful * when debugging (so the server can receive keyboard signals. */ if (!strcmp(argv[i], "-keeptty")) |