109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <string.h>
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#include <unistd.h>
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#include "util.h"
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#include "mkdir.h"
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int main(int argc, char *argv[]) {
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int i;
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const char *seat = NULL;
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char **new_argv;
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_cleanup_free_ char *path = NULL;
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int r;
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_cleanup_fclose_ FILE *f = NULL;
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/* This binary will go away as soon as X natively takes the
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* arguments in question as command line parameters, instead
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* of requiring them in the configuration file. */
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/* If this file is removed, don't forget to remove the code
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* that invokes this in gdm and other display managers. */
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for (i = 1; i < argc; i++)
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if (streq(argv[i], "-seat"))
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seat = argv[i+1];
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if (isempty(seat) || streq(seat, "seat0")) {
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argv[0] = (char*) X_SERVER;
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execv(X_SERVER, argv);
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log_error("Failed to execute real X server: %m");
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goto fail;
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}
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r = mkdir_safe_label("/run/systemd/multi-session-x", 0755, 0, 0);
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if (r < 0) {
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log_error("Failed to create directory: %s", strerror(-r));
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goto fail;
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}
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path = strappend("/run/systemd/multi-session-x/", seat);
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if (!path) {
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log_oom();
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goto fail;
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}
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f = fopen(path, "we");
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if (!f) {
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log_error("Failed to write configuration file: %m");
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goto fail;
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}
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fprintf(f,
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"Section \"ServerFlags\"\n"
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" Option \"AutoAddDevices\" \"True\"\n"
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" Option \"AllowEmptyInput\" \"True\"\n"
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" Option \"DontVTSwitch\" \"True\"\n"
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"EndSection\n"
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"Section \"InputClass\"\n"
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" Identifier \"Force Input Devices to Seat\"\n"
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" Option \"GrabDevice\" \"True\"\n"
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"EndSection\n");
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fflush(f);
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if (ferror(f)) {
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log_error("Failed to write configuration file: %m");
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goto fail;
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}
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fclose(f);
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f = NULL;
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new_argv = newa(char*, argc + 3 + 1);
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memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1));
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new_argv[0] = (char*) X_SERVER;
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new_argv[argc+0] = (char*) "-config";
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new_argv[argc+1] = path;
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new_argv[argc+2] = (char*) "-sharevts";
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new_argv[argc+3] = NULL;
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execv(X_SERVER, new_argv);
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log_error("Failed to execute real X server: %m");
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fail:
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return EXIT_FAILURE;
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}
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