diff options
Diffstat (limited to 'src/login/multi-seat-x.c')
| -rw-r--r-- | src/login/multi-seat-x.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/login/multi-seat-x.c b/src/login/multi-seat-x.c deleted file mode 100644 index 59f70882d4..0000000000 --- a/src/login/multi-seat-x.c +++ /dev/null @@ -1,196 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <string.h> -#include <unistd.h> - -#include <libudev.h> - -#include "util.h" -#include "mkdir.h" - -int main(int argc, char *argv[]) { - - struct udev *udev = NULL; - struct udev_enumerate *enumerator = NULL; - struct udev_list_entry *first, *item; - int i; - const char *seat = NULL; - char **new_argv; - char *path = NULL, *device_node = NULL; - int r; - FILE *f = NULL; - - /* This binary will go away as soon as X natively supports - * display enumeration with udev in a way that covers both PCI - * and USB. */ - - /* This will simply determine the fb device id of the graphics - * device assigned to a seat and write a configuration file - * from it and then spawn the real X server. */ - - /* If this file is removed, don't forget to remove the code - * that invokes this in gdm and other display managers. */ - - for (i = 1; i < argc; i++) - if (streq(argv[i], "-seat")) - seat = argv[i+1]; - - if (isempty(seat) || streq(seat, "seat0")) { - argv[0] = (char*) X_SERVER; - execv(X_SERVER, argv); - log_error("Failed to execute real X server: %m"); - goto fail; - } - - udev = udev_new(); - if (!udev) { - log_error("Failed to allocate udev environment."); - goto fail; - } - - enumerator = udev_enumerate_new(udev); - if (!enumerator) { - log_error("Failed to allocate udev enumerator."); - goto fail; - } - - udev_enumerate_add_match_subsystem(enumerator, "graphics"); - udev_enumerate_add_match_tag(enumerator, seat); - - r = udev_enumerate_scan_devices(enumerator); - if (r < 0) { - log_error("Failed to enumerate devices."); - goto fail; - } - - first = udev_enumerate_get_list_entry(enumerator); - udev_list_entry_foreach(item, first) { - struct udev_device *d; - const char *dn; - - d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)); - if (!d) - continue; - - dn = udev_device_get_devnode(d); - - if (dn) { - device_node = strdup(dn); - if (!device_node) { - udev_device_unref(d); - log_oom(); - goto fail; - } - } - - udev_device_unref(d); - - if (device_node) - break; - } - - if (!device_node) { - log_error("Failed to find device node for seat %s.", seat); - goto fail; - } - - r = mkdir_safe_label("/run/systemd/multi-session-x", 0755, 0, 0); - if (r < 0) { - log_error("Failed to create directory: %s", strerror(-r)); - goto fail; - } - - path = strappend("/run/systemd/multi-session-x/", seat); - if (!path) { - log_oom(); - goto fail; - } - - f = fopen(path, "we"); - if (!f) { - log_error("Failed to write configuration file: %m"); - goto fail; - } - - fprintf(f, - "Section \"Device\"\n" - " Identifier \"udev\"\n" - " Driver \"fbdev\"\n" - " Option \"fbdev\" \"%s\"\n" - "EndSection\n" - "Section \"ServerFlags\"\n" - " Option \"AutoAddDevices\" \"True\"\n" - " Option \"AllowEmptyInput\" \"True\"\n" - " Option \"DontVTSwitch\" \"True\"\n" - "EndSection\n" - "Section \"InputClass\"\n" - " Identifier \"Force Input Devices to Seat\"\n" - " Option \"GrabDevice\" \"True\"\n" - "EndSection\n", - device_node); - - fflush(f); - - if (ferror(f)) { - log_error("Failed to write configuration file: %m"); - goto fail; - } - - fclose(f); - f = NULL; - - new_argv = alloca(sizeof(char*) * (argc + 3 + 1)); - memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1)); - - new_argv[0] = (char*) X_SERVER; - new_argv[argc+0] = (char*) "-config"; - new_argv[argc+1] = path; - new_argv[argc+2] = (char*) "-sharevts"; - new_argv[argc+3] = NULL; - - udev_enumerate_unref(enumerator); - enumerator = NULL; - - udev_unref(udev); - udev = NULL; - - free(device_node); - device_node = NULL; - - execv(X_SERVER, new_argv); - log_error("Failed to execute real X server: %m"); - -fail: - if (enumerator) - udev_enumerate_unref(enumerator); - - if (udev) - udev_unref(udev); - - free(path); - free(device_node); - - if (f) - fclose(f); - - return EXIT_FAILURE; -} |