#include <getopt.h>
#include "sd-bus.h"
-#include "bus-internal.h"
-#include "bus-message.h"
+#include "bus-util.h"
#include "strv.h"
#include "build.h"
#include "unit-name.h"
+#include "path-util.h"
+#include "bus-error.h"
static bool arg_scope = false;
-static bool arg_user = false;
+static bool arg_remain_after_exit = false;
static const char *arg_unit = NULL;
static const char *arg_description = NULL;
static const char *arg_slice = NULL;
+static bool arg_send_sighup = false;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_user = false;
static int help(void) {
- printf("%s [OPTIONS...] [COMMAND LINE...]\n\n"
- "Notify the init system about service status updates.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --user Run as user unit\n"
- " --scope Run this as scope rather than service\n"
- " --unit=UNIT Run under the specified unit name\n"
- " --description=TEXT Description for unit\n"
- " --slice=SLICE Run in the specified slice\n",
+ printf("%s [OPTIONS...] COMMAND [ARGS...]\n\n"
+ "Run the specified command in a transient scope or service unit.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --user Run as user unit\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " --scope Run this as scope rather than service\n"
+ " --unit=UNIT Run under the specified unit name\n"
+ " --description=TEXT Description for unit\n"
+ " --slice=SLICE Run in the specified slice\n"
+ " -r --remain-after-exit Leave service around until explicitly stopped\n"
+ " --send-sighup Send SIGHUP when terminating\n",
program_invocation_short_name);
return 0;
enum {
ARG_VERSION = 0x100,
ARG_USER,
+ ARG_SYSTEM,
ARG_SCOPE,
ARG_UNIT,
ARG_DESCRIPTION,
- ARG_SLICE
+ ARG_SLICE,
+ ARG_SEND_SIGHUP,
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "user", no_argument, NULL, ARG_USER },
- { "scope", no_argument, NULL, ARG_SCOPE },
- { "unit", required_argument, NULL, ARG_UNIT },
- { "description", required_argument, NULL, ARG_DESCRIPTION },
- { "slice", required_argument, NULL, ARG_SLICE },
- { NULL, 0, NULL, 0 },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "user", no_argument, NULL, ARG_USER },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "scope", no_argument, NULL, ARG_SCOPE },
+ { "unit", required_argument, NULL, ARG_UNIT },
+ { "description", required_argument, NULL, ARG_DESCRIPTION },
+ { "slice", required_argument, NULL, ARG_SLICE },
+ { "remain-after-exit", no_argument, NULL, 'r' },
+ { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ {},
};
int c;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+h", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "+hrH:M:", options, NULL)) >= 0) {
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
puts(PACKAGE_STRING);
arg_user = true;
break;
+ case ARG_SYSTEM:
+ arg_user = false;
+ break;
+
case ARG_SCOPE:
arg_scope = true;
break;
arg_slice = optarg;
break;
+ case ARG_SEND_SIGHUP:
+ arg_send_sighup = true;
+ break;
+
+ case 'r':
+ arg_remain_after_exit = true;
+ break;
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_CONTAINER;
+ arg_host = optarg;
+ break;
+
case '?':
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
}
return -EINVAL;
}
+ if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Execution in user context is not supported on non-local systems.");
+ return -EINVAL;
+ }
+
+ if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Scope execution is not supported on non-local systems.");
+ return -EINVAL;
+ }
+
return 1;
}
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
int r;
+ assert(bus);
+ assert(name);
+ assert(ret);
+
log_info("Running as unit %s.", name);
r = sd_bus_message_new_method_call(
return r;
}
+ r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
+ if (r < 0)
+ return r;
+
*ret = m;
m = NULL;
static int message_start_transient_unit_send(sd_bus *bus, sd_bus_message *m, sd_bus_error *error, sd_bus_message **reply) {
int r;
+ assert(bus);
+ assert(m);
+
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);
+ r = sd_bus_message_append(m, "a(sa(sv))", 0);
+ if (r < 0)
+ return r;
+
+ return sd_bus_call(bus, m, 0, error, reply);
}
static int start_transient_service(
char **argv,
sd_bus_error *error) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *name = NULL;
char **i;
int r;
if (r < 0)
return r;
+ r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit);
+ if (r < 0)
+ return r;
+
r = sd_bus_message_open_container(m, 'r', "sv");
if (r < 0)
return r;
if (r < 0)
return r;
- return message_start_transient_unit_send(bus, m, error, &reply);
+ return message_start_transient_unit_send(bus, m, error, NULL);
}
static int start_transient_scope(
char **argv,
sd_bus_error *error) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *name = NULL;
int r;
+ assert(bus);
+
if (arg_unit)
name = unit_name_mangle_with_suffix(arg_unit, ".scope");
else
if (r < 0)
return r;
- r = message_start_transient_unit_send(bus, m, error, &reply);
+ r = message_start_transient_unit_send(bus, m, error, NULL);
if (r < 0)
return r;
}
int main(int argc, char* argv[]) {
- sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_unref_ sd_bus *bus = NULL;
- _cleanup_free_ char *description = NULL;
+ _cleanup_free_ char *description = NULL, *command = NULL;
int r;
log_parse_environment();
r = parse_argv(argc, argv);
if (r <= 0)
- goto fail;
+ goto finish;
+
+ r = find_binary(argv[optind], &command);
+ if (r < 0) {
+ log_error("Failed to find executable %s: %s", argv[optind], strerror(-r));
+ goto finish;
+ }
+ argv[optind] = command;
if (!arg_description) {
description = strv_join(argv + optind, " ");
if (!description) {
r = log_oom();
- goto fail;
+ goto finish;
}
arg_description = description;
}
- if (arg_user)
- r = sd_bus_open_user(&bus);
- else
- r = sd_bus_open_system(&bus);
+ r = bus_open_transport(arg_transport, arg_host, arg_user, &bus);
if (r < 0) {
- log_error("Failed to create new bus connection: %s", strerror(-r));
- goto fail;
+ log_error("Failed to create bus connection: %s", strerror(-r));
+ goto finish;
}
if (arg_scope)
r = start_transient_scope(bus, argv + optind, &error);
else
r = start_transient_service(bus, argv + optind, &error);
- if (r < 0) {
- log_error("Failed start transient unit: %s", error.message ? error.message : strerror(-r));
- sd_bus_error_free(&error);
- goto fail;
- }
+ if (r < 0)
+ log_error("Failed start transient unit: %s", bus_error_message(&error, r));
-fail:
+finish:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff