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/*-*- 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 "util.h"
#include "mkdir.h"
int main(int argc, char *argv[]) {
int i;
const char *seat = NULL;
char **new_argv;
_cleanup_free_ char *path = NULL;
int r;
_cleanup_fclose_ FILE *f = NULL;
/* This binary will go away as soon as X natively takes the
* arguments in question as command line parameters, instead
* of requiring them in the configuration file. */
/* 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;
}
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 \"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");
fflush(f);
if (ferror(f)) {
log_error("Failed to write configuration file: %m");
goto fail;
}
fclose(f);
f = NULL;
new_argv = newa(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;
execv(X_SERVER, new_argv);
log_error("Failed to execute real X server: %m");
fail:
return EXIT_FAILURE;
}
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