diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_init.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/linux/lnx_init.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_init.c b/xorg-server/hw/xfree86/os-support/linux/lnx_init.c index 46438e655..85709c629 100644 --- a/xorg-server/hw/xfree86/os-support/linux/lnx_init.c +++ b/xorg-server/hw/xfree86/os-support/linux/lnx_init.c @@ -79,20 +79,15 @@ switch_to(int vt, const char *from) void xf86OpenConsole(void) { - int i, fd = -1, ret; + int i, fd = -1, ret, current_vt = -1; struct vt_mode VT; struct vt_stat vts; + struct stat st; MessageType from = X_PROBED; const char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; const char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; if (serverGeneration == 1) { - - /* when KeepTty check if we're run with euid==0 */ - if (KeepTty && geteuid() != 0) - FatalError("xf86OpenConsole:" - " Server must be suid root for option \"KeepTTY\"\n"); - /* * setup the virtual terminal manager */ @@ -132,6 +127,22 @@ xf86OpenConsole(void) xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno); + /* Some of stdin / stdout / stderr maybe redirected to a file */ + for (i = STDIN_FILENO; i <= STDERR_FILENO; i++) { + ret = fstat(i, &st); + if (ret == 0 && S_ISCHR(st.st_mode) && major(st.st_rdev) == 4) { + current_vt = minor(st.st_rdev); + break; + } + } + + if (!KeepTty && current_vt == xf86Info.vtno) { + xf86Msg(X_PROBED, + "controlling tty is VT number %d, auto-enabling KeepTty\n", + current_vt); + KeepTty = TRUE; + } + if (!KeepTty) { pid_t ppid = getppid(); pid_t ppgid; |