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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 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 <stdio.h>
#include "sd-bus.h"
#include "bus-internal.h"
#include "bus-message.h"
#include "strv.h"
static int start_transient_service(
sd_bus *bus,
const char *name,
char **argv,
sd_bus_error *error) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
char **i;
int r;
r = sd_bus_message_new_method_call(
bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit", &m);
if (r < 0)
return r;
r = sd_bus_message_append(m, "ss", name, "fail");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'r', "sv");
if (r < 0)
return r;
r = sd_bus_message_append(m, "s", "ExecStart");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'v', "a(sasb)");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'a', "(sasb)");
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'r', "sasb");
if (r < 0)
return r;
r = sd_bus_message_append(m, "s", argv[0]);
if (r < 0)
return r;
r = sd_bus_message_open_container(m, 'a', "s");
if (r < 0)
return r;
STRV_FOREACH(i, argv) {
r = sd_bus_message_append(m, "s", *i);
if (r < 0)
return r;
}
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_append(m, "b", false);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return r;
return sd_bus_send_with_reply_and_block(bus, m, 0, error, &reply);
}
int main(int argc, char* argv[]) {
sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_unref_ sd_bus *bus = NULL;
_cleanup_free_ char *name = NULL;
int r;
log_parse_environment();
log_open();
if (argc < 2) {
log_error("Missing command line.");
r = -EINVAL;
goto fail;
}
r = sd_bus_open_user(&bus);
if (r < 0) {
log_error("Failed to create new bus: %s", strerror(-r));
goto fail;
}
if (asprintf(&name, "run-%lu.service", (unsigned long) getpid()) < 0) {
r = log_oom();
goto fail;
}
r = start_transient_service(bus, name, argv + 1, &error);
if (r < 0) {
log_error("Failed start transient service: %s", error.message);
sd_bus_error_free(&error);
goto fail;
}
fail:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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