Fork of Original Code Base: anongit.freedesktop.org/systemd

This is the initial fork of the code base from freedsktop.org.
The code is provided here as a reference of the initial starting
point and for possible future checkouts after a large portion
of this code is removed.

Merge git://anongit.freedesktop.org/systemd/systemd

1 files changed, 108 insertions, 0 deletions

diff --git a/src/login/multi-seat-x.c b/src/login/multi-seat-x.c
new file mode 100644
index 0000000000..83760d4191
--- /dev/null
+++ b/src/login/multi-seat-x.c
@@ -0,0 +1,108 @@
+/*-*- 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;
+}