along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdio.h>
#include <getopt.h>
+#include <stdio.h>
#include "sd-bus.h"
#include "sd-event.h"
+
+#include "bus-error.h"
#include "bus-util.h"
-#include "event-util.h"
-#include "strv.h"
-#include "build.h"
-#include "unit-name.h"
+#include "calendarspec.h"
#include "env-util.h"
+#include "event-util.h"
+#include "fd-util.h"
+#include "formats-util.h"
#include "path-util.h"
-#include "bus-error.h"
-#include "calendarspec.h"
#include "ptyfwd.h"
+#include "signal-util.h"
+#include "spawn-polkit-agent.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "unit-name.h"
+static bool arg_ask_password = true;
static bool arg_scope = false;
static bool arg_remain_after_exit = false;
+static bool arg_no_block = false;
static const char *arg_unit = NULL;
static const char *arg_description = NULL;
static const char *arg_slice = NULL;
static usec_t arg_on_startup = 0;
static usec_t arg_on_unit_active = 0;
static usec_t arg_on_unit_inactive = 0;
-static char *arg_on_calendar = NULL;
+static const char *arg_on_calendar = NULL;
static char **arg_timer_property = NULL;
static bool arg_quiet = false;
+static void polkit_agent_open_if_enabled(void) {
+
+ /* Open the polkit agent as a child process if necessary */
+ if (!arg_ask_password)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ polkit_agent_open();
+}
+
static void help(void) {
printf("%s [OPTIONS...] {COMMAND} [ARGS...]\n\n"
"Run the specified command in a transient scope or service or timer\n"
"unit. If timer option is specified and unit is exist which is\n"
- "specified with --unit option then command can be ommited.\n\n"
+ "specified with --unit option then command can be omitted.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
+ " --no-ask-password Do not prompt for password\n"
" --user Run as user unit\n"
" -H --host=[USER@]HOST Operate on remote host\n"
" -M --machine=CONTAINER Operate on local container\n"
" -p --property=NAME=VALUE Set unit property\n"
" --description=TEXT Description for unit\n"
" --slice=SLICE Run in the specified slice\n"
+ " --no-block Do not wait until operation finished\n"
" -r --remain-after-exit Leave service around until explicitly stopped\n"
" --send-sighup Send SIGHUP when terminating\n"
" --service-type=TYPE Service type\n"
" -t --pty Run service on pseudo tty\n"
" -q --quiet Suppress information messages during runtime\n\n"
"Timer options:\n\n"
- " --on-active=SEC Run after seconds\n"
- " --on-boot=SEC Run after seconds from machine was booted up\n"
- " --on-startup=SEC Run after seconds from systemd was first started\n"
- " --on-unit-active=SEC Run after seconds from the last activation\n"
- " --on-unit-inactive=SEC Run after seconds from the last deactivation\n"
+ " --on-active=SECONDS Run after SECONDS delay\n"
+ " --on-boot=SECONDS Run SECONDS after machine was booted up\n"
+ " --on-startup=SECONDS Run SECONDS after systemd activation\n"
+ " --on-unit-active=SECONDS Run SECONDS after the last activation\n"
+ " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n"
" --on-calendar=SPEC Realtime timer\n"
" --timer-property=NAME=VALUE Set timer unit property\n",
program_invocation_short_name);
enum {
ARG_VERSION = 0x100,
+ ARG_NO_ASK_PASSWORD,
ARG_USER,
ARG_SYSTEM,
ARG_SCOPE,
ARG_ON_UNIT_ACTIVE,
ARG_ON_UNIT_INACTIVE,
ARG_ON_CALENDAR,
- ARG_TIMER_PROPERTY
+ ARG_TIMER_PROPERTY,
+ ARG_NO_BLOCK,
};
static const struct option options[] = {
{ "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
{ "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
{ "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
+ { "no-block", no_argument, NULL, ARG_NO_BLOCK },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{},
};
int r, c;
- CalendarSpec *spec = NULL;
assert(argc >= 0);
assert(argv);
help();
return 0;
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
+ break;
+
case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
+ return version();
case ARG_USER:
arg_user = true;
break;
case 'M':
- arg_transport = BUS_TRANSPORT_CONTAINER;
+ arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
break;
case ARG_SETENV:
-
if (strv_extend(&arg_environment, optarg) < 0)
return log_oom();
break;
case 'p':
-
if (strv_extend(&arg_property, optarg) < 0)
return log_oom();
break;
- case ARG_ON_CALENDAR:
+ case ARG_ON_CALENDAR: {
+ CalendarSpec *spec = NULL;
r = calendar_spec_from_string(optarg, &spec);
if (r < 0) {
log_error("Invalid calendar spec: %s", optarg);
return r;
}
- free(spec);
+
+ calendar_spec_free(spec);
arg_on_calendar = optarg;
break;
+ }
case ARG_TIMER_PROPERTY:
break;
+ case ARG_NO_BLOCK:
+ arg_no_block = true;
+ break;
+
case '?':
return -EINVAL;
return -EINVAL;
}
+ if (arg_pty && arg_transport == BUS_TRANSPORT_REMOTE) {
+ log_error("--pty is only supported when connecting to the local system or containers.");
+ return -EINVAL;
+ }
+
if (arg_scope && with_timer()) {
log_error("Timer options are not supported in --scope mode.");
return -EINVAL;
return r;
r = bus_append_unit_property_assignment(m, *i);
- if (r < 0) {
- r = sd_bus_message_append(m, "sv", 0);
- if (r < 0)
- return r;
- }
+ if (r < 0)
+ return r;
r = sd_bus_message_close_container(m);
if (r < 0)
if (!isempty(arg_slice)) {
_cleanup_free_ char *slice;
- slice = unit_name_mangle_with_suffix(arg_slice, MANGLE_NOGLOB, ".slice");
- if (!slice)
- return -ENOMEM;
+ r = unit_name_mangle_with_suffix(arg_slice, UNIT_NAME_NOGLOB, ".slice", &slice);
+ if (r < 0)
+ return r;
r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
if (r < 0)
}
static int transient_kill_set_properties(sd_bus_message *m) {
- int r;
assert(m);
- if (arg_send_sighup) {
- r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
- if (r < 0)
- return r;
- }
-
- return r;
+ if (arg_send_sighup)
+ return sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
+ else
+ return 0;
}
static int transient_service_set_properties(sd_bus_message *m, char **argv, const char *pty_path) {
if (e) {
char *n;
- n = strappenda("TERM=", e);
+ n = strjoina("TERM=", e);
r = sd_bus_message_append(m,
"(sv)",
"Environment", "as", 1, n);
static int start_transient_service(
sd_bus *bus,
- char **argv,
- sd_bus_error *error) {
+ char **argv) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- _cleanup_free_ char *service = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
+ _cleanup_free_ char *service = NULL, *pty_path = NULL;
_cleanup_close_ int master = -1;
- const char *pty_path = NULL;
int r;
assert(bus);
assert(argv);
if (arg_pty) {
- master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
- if (master < 0)
- return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
- pty_path = ptsname(master);
- if (!pty_path)
- return log_error_errno(errno, "Failed to determine tty name: %m");
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+ master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
+ if (master < 0)
+ return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
+
+ r = ptsname_malloc(master, &pty_path);
+ if (r < 0)
+ return log_error_errno(r, "Failed to determine tty name: %m");
+
+ if (unlockpt(master) < 0)
+ return log_error_errno(errno, "Failed to unlock tty: %m");
+
+ } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
+ _cleanup_bus_unref_ sd_bus *system_bus = NULL;
+ const char *s;
- if (unlockpt(master) < 0)
- return log_error_errno(errno, "Failed to unlock tty: %m");
+ r = sd_bus_default_system(&system_bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to system bus: %m");
+
+ r = sd_bus_call_method(system_bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "OpenMachinePTY",
+ &error,
+ &reply,
+ "s", arg_host);
+ if (r < 0) {
+ log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "hs", &master, &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ reply = sd_bus_message_unref(reply);
+
+ master = fcntl(master, F_DUPFD_CLOEXEC, 3);
+ if (master < 0)
+ return log_error_errno(errno, "Failed to duplicate master fd: %m");
+
+ pty_path = strdup(s);
+ if (!pty_path)
+ return log_oom();
+ } else
+ assert_not_reached("Can't allocate tty via ssh");
+ }
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs_new(bus, &w);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
}
if (arg_unit) {
- service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
- if (!service)
- return log_oom();
+ r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
} else if (asprintf(&service, "run-"PID_FMT".service", getpid()) < 0)
return log_oom();
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
/* Name and mode */
r = sd_bus_message_append(m, "ss", service, "fail");
if (r < 0)
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_call(bus, m, 0, error, NULL);
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
- return bus_log_create_error(r);
+ return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
+
+ if (w) {
+ const char *object;
+
+ r = sd_bus_message_read(reply, "o", &object);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = bus_wait_for_jobs_one(w, object, arg_quiet);
+ if (r < 0)
+ return r;
+ }
if (master >= 0) {
_cleanup_(pty_forward_freep) PTYForward *forward = NULL;
_cleanup_event_unref_ sd_event *event = NULL;
- sigset_t mask;
char last_char = 0;
r = sd_event_default(&event);
if (r < 0)
return log_error_errno(r, "Failed to get event loop: %m");
- assert_se(sigemptyset(&mask) == 0);
- sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
- assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
+ assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
- sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
- sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
+ (void) sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
+ (void) sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
if (!arg_quiet)
log_info("Running as unit %s.\nPress ^] three times within 1s to disconnect TTY.", service);
- r = pty_forward_new(event, master, false, &forward);
+ r = pty_forward_new(event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &forward);
if (r < 0)
return log_error_errno(r, "Failed to create PTY forwarder: %m");
if (r < 0)
return log_error_errno(r, "Failed to run event loop: %m");
- pty_forward_last_char(forward, &last_char);
+ pty_forward_get_last_char(forward, &last_char);
forward = pty_forward_free(forward);
static int start_transient_scope(
sd_bus *bus,
- char **argv,
- sd_bus_error *error) {
+ char **argv) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_strv_free_ char **env = NULL, **user_env = NULL;
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *scope = NULL;
+ const char *object = NULL;
int r;
assert(bus);
assert(argv);
+ r = bus_wait_for_jobs_new(bus, &w);
+ if (r < 0)
+ return log_oom();
+
if (arg_unit) {
- scope = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".scope");
- if (!scope)
- return log_oom();
+ r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".scope", &scope);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle scope name: %m");
} else if (asprintf(&scope, "run-"PID_FMT".scope", getpid()) < 0)
return log_oom();
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
/* Name and Mode */
r = sd_bus_message_append(m, "ss", scope, "fail");
if (r < 0)
if (r < 0)
return bus_log_create_error(r);
- /* aux */
+ /* Auxiliary units */
r = sd_bus_message_append(m, "a(sa(sv))", 0);
if (r < 0)
return bus_log_create_error(r);
- /* send dbus */
- r = sd_bus_call(bus, m, 0, error, NULL);
- if (r < 0)
- return bus_log_create_error(r);
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0) {
+ log_error("Failed to start transient scope unit: %s", bus_error_message(&error, -r));
+ return r;
+ }
if (arg_nice_set) {
if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0)
if (!env)
return log_oom();
+ r = sd_bus_message_read(reply, "o", &object);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = bus_wait_for_jobs_one(w, object, arg_quiet);
+ if (r < 0)
+ return r;
+
if (!arg_quiet)
- log_info("Running as unit %s.", scope);
+ log_info("Running scope as unit %s.", scope);
execvpe(argv[0], argv, env);
static int start_transient_timer(
sd_bus *bus,
- char **argv,
- sd_bus_error *error) {
+ char **argv) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_free_ char *timer = NULL, *service = NULL;
+ const char *object = NULL;
int r;
assert(bus);
assert(argv);
+ r = bus_wait_for_jobs_new(bus, &w);
+ if (r < 0)
+ return log_oom();
+
if (arg_unit) {
- switch(unit_name_to_type(arg_unit)) {
+ switch (unit_name_to_type(arg_unit)) {
case UNIT_SERVICE:
service = strdup(arg_unit);
if (!service)
return log_oom();
- timer = unit_name_change_suffix(service, ".timer");
- if (!timer)
- return log_oom();
+ r = unit_name_change_suffix(service, ".timer", &timer);
+ if (r < 0)
+ return log_error_errno(r, "Failed to change unit suffix: %m");
break;
case UNIT_TIMER:
if (!timer)
return log_oom();
- service = unit_name_change_suffix(timer, ".service");
- if (!service)
- return log_oom();
+ r = unit_name_change_suffix(timer, ".service", &service);
+ if (r < 0)
+ return log_error_errno(r, "Failed to change unit suffix: %m");
break;
default:
- service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
- if (!service)
- return log_oom();
+ r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
- timer = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".timer");
- if (!timer)
- return log_oom();
+ r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".timer", &timer);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
break;
}
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
/* Name and Mode */
r = sd_bus_message_append(m, "ss", timer, "fail");
if (r < 0)
if (r < 0)
return bus_log_create_error(r);
- /* send dbus */
- r = sd_bus_call(bus, m, 0, error, NULL);
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0) {
+ log_error("Failed to start transient timer unit: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
- return bus_log_create_error(r);
+ return bus_log_parse_error(r);
+
+ r = bus_wait_for_jobs_one(w, object, arg_quiet);
+ if (r < 0)
+ return r;
- log_info("Running as unit %s.", timer);
+ log_info("Running timer as unit %s.", timer);
if (argv[0])
- log_info("Will run as unit %s.", service);
+ log_info("Will run service as unit %s.", service);
return 0;
}
int main(int argc, char* argv[]) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
_cleanup_free_ char *description = NULL, *command = NULL;
int r;
if (r <= 0)
goto finish;
- if (argc > optind) {
- r = find_binary(argv[optind], arg_transport == BUS_TRANSPORT_LOCAL, &command);
+ if (argc > optind && arg_transport == BUS_TRANSPORT_LOCAL) {
+ /* Patch in an absolute path */
+
+ r = find_binary(argv[optind], &command);
if (r < 0) {
- log_error_errno(r, "Failed to find executable %s%s: %m",
- argv[optind],
- arg_transport == BUS_TRANSPORT_LOCAL ? "" : " on local system");
+ log_error_errno(r, "Failed to find executable %s: %m", argv[optind]);
+ goto finish;
+ }
+ if (r == 0) {
+ log_error("Couldn't find executable %s.", argv[optind]);
+ r = -ENOENT;
goto finish;
}
+
argv[optind] = command;
}
}
if (arg_unit && isempty(description)) {
- free(description);
- description = strdup(arg_unit);
-
- if (!description) {
- r = log_oom();
+ r = free_and_strdup(&description, arg_unit);
+ if (r < 0)
goto finish;
- }
}
arg_description = description;
}
- r = bus_open_transport_systemd(arg_transport, arg_host, arg_user, &bus);
+ r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
if (r < 0) {
log_error_errno(r, "Failed to create bus connection: %m");
goto finish;
}
if (arg_scope)
- r = start_transient_scope(bus, argv + optind, &error);
+ r = start_transient_scope(bus, argv + optind);
else if (with_timer())
- r = start_transient_timer(bus, argv + optind, &error);
+ r = start_transient_timer(bus, argv + optind);
else
- r = start_transient_service(bus, argv + optind, &error);
+ r = start_transient_service(bus, argv + optind);
finish:
strv_free(arg_environment);