#include <getopt.h>
#include "sd-bus.h"
+#include "sd-event.h"
#include "bus-util.h"
+#include "event-util.h"
#include "strv.h"
#include "build.h"
#include "unit-name.h"
#include "path-util.h"
#include "bus-error.h"
#include "calendarspec.h"
+#include "ptyfwd.h"
static bool arg_scope = false;
static bool arg_remain_after_exit = false;
static bool arg_nice_set = false;
static char **arg_environment = NULL;
static char **arg_property = NULL;
+static bool arg_pty = false;
static usec_t arg_on_active = 0;
static usec_t arg_on_boot = 0;
static usec_t arg_on_startup = 0;
static usec_t arg_on_unit_inactive = 0;
static char *arg_on_calendar = NULL;
static char **arg_timer_property = NULL;
+static bool arg_quiet = false;
static void help(void) {
printf("%s [OPTIONS...] {COMMAND} [ARGS...]\n\n"
" --uid=USER Run as system user\n"
" --gid=GROUP Run as system group\n"
" --nice=NICE Nice level\n"
- " --setenv=NAME=VALUE Set environment\n\n"
+ " --setenv=NAME=VALUE Set environment\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);
ARG_SERVICE_TYPE,
ARG_NICE,
ARG_SETENV,
+ ARG_TTY,
ARG_ON_ACTIVE,
ARG_ON_BOOT,
ARG_ON_STARTUP,
{ "nice", required_argument, NULL, ARG_NICE },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "property", required_argument, NULL, 'p' },
+ { "tty", no_argument, NULL, 't' },
+ { "quiet", no_argument, NULL, 'q' },
{ "on-active", required_argument, NULL, ARG_ON_ACTIVE },
{ "on-boot", required_argument, NULL, ARG_ON_BOOT },
{ "on-startup", required_argument, NULL, ARG_ON_STARTUP },
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+hrH:M:p:", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "+hrH:M:p:tq", options, NULL)) >= 0)
switch (c) {
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 't':
+ arg_pty = true;
+ break;
+
+ case 'q':
+ arg_quiet = true;
+ break;
+
case ARG_ON_ACTIVE:
r = parse_sec(optarg, &arg_on_active);
return -EINVAL;
}
+ if (arg_pty && (with_timer() || arg_scope)) {
+ log_error("--pty is not compatible in timer or --scope mode.");
+ return -EINVAL;
+ }
+
if (arg_scope && with_timer()) {
log_error("Timer options are not supported in --scope mode.");
return -EINVAL;
return 1;
}
-static int transient_unit_set_properties(sd_bus_message *m, UnitType t) {
+static int transient_unit_set_properties(sd_bus_message *m, char **properties) {
char **i;
int r;
- STRV_FOREACH(i, t == UNIT_TIMER ? arg_timer_property : arg_property) {
+ r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, properties) {
r = sd_bus_message_open_container(m, 'r', "sv");
if (r < 0)
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)
return r;
}
- r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
- if (r < 0)
- return r;
+ return 0;
+}
+
+static int transient_cgroup_set_properties(sd_bus_message *m) {
+ int r;
+ assert(m);
if (!isempty(arg_slice)) {
_cleanup_free_ char *slice;
return r;
}
- if (arg_send_sighup && t != UNIT_TIMER) {
- r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
- if (r < 0)
- return r;
- }
-
return 0;
}
-static int transient_service_set_properties(sd_bus_message *m, char **argv) {
+static int transient_kill_set_properties(sd_bus_message *m) {
+ assert(m);
+
+ 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) {
int r;
assert(m);
- r = transient_unit_set_properties(m, UNIT_SERVICE);
+ r = transient_unit_set_properties(m, arg_property);
+ if (r < 0)
+ return r;
+
+ r = transient_kill_set_properties(m);
+ if (r < 0)
+ return r;
+
+ r = transient_cgroup_set_properties(m);
if (r < 0)
return r;
return r;
}
+ if (pty_path) {
+ const char *e;
+
+ r = sd_bus_message_append(m,
+ "(sv)(sv)(sv)(sv)",
+ "StandardInput", "s", "tty",
+ "StandardOutput", "s", "tty",
+ "StandardError", "s", "tty",
+ "TTYPath", "s", pty_path);
+ if (r < 0)
+ return r;
+
+ e = getenv("TERM");
+ if (e) {
+ char *n;
+
+ n = strjoina("TERM=", e);
+ r = sd_bus_message_append(m,
+ "(sv)",
+ "Environment", "as", 1, n);
+ if (r < 0)
+ return r;
+ }
+ }
+
if (!strv_isempty(arg_environment)) {
r = sd_bus_message_open_container(m, 'r', "sv");
if (r < 0)
return 0;
}
+static int transient_scope_set_properties(sd_bus_message *m) {
+ int r;
+
+ assert(m);
+
+ r = transient_unit_set_properties(m, arg_property);
+ if (r < 0)
+ return r;
+
+ r = transient_kill_set_properties(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid());
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
static int transient_timer_set_properties(sd_bus_message *m) {
int r;
assert(m);
- r = transient_unit_set_properties(m, UNIT_TIMER);
+ r = transient_unit_set_properties(m, arg_timer_property);
if (r < 0)
return r;
return 0;
}
-static int transient_scope_set_properties(sd_bus_message *m) {
- int r;
-
- assert(m);
-
- r = transient_unit_set_properties(m, UNIT_SCOPE);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid());
- if (r < 0)
- return r;
-
- return 0;
-}
-
static int start_transient_service(
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;
- _cleanup_free_ char *service = NULL;
+ _cleanup_free_ char *service = NULL, *pty_path = NULL;
+ _cleanup_close_ int master = -1;
int r;
assert(bus);
assert(argv);
+ if (arg_pty) {
+
+ 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");
+
+ } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
+ _cleanup_bus_unref_ sd_bus *system_bus = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ const char *s;
+
+ r = sd_bus_open_system(&system_bus);
+ if (r < 0)
+ 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);
+
+ 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 (unlockpt(master) < 0)
+ return log_error_errno(errno, "Failed to unlock tty: %m");
+ }
+
if (arg_unit) {
service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
if (!service)
if (r < 0)
return bus_log_create_error(r);
- /* name and mode */
+ /* Name and mode */
r = sd_bus_message_append(m, "ss", service, "fail");
if (r < 0)
return bus_log_create_error(r);
- /* properties */
+ /* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
- r = transient_service_set_properties(m, argv);
+ r = transient_service_set_properties(m, argv, pty_path);
if (r < 0)
return bus_log_create_error(r);
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);
-
- log_info("Running as unit %s.", service);
-
- return 0;
-}
-
-static int start_transient_timer(
- sd_bus *bus,
- char **argv,
- sd_bus_error *error) {
-
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- _cleanup_free_ char *timer = NULL, *service = NULL;
- int r;
-
- assert(bus);
- assert(argv);
-
- if (arg_unit) {
- switch(unit_name_to_type(arg_unit)) {
- case UNIT_SERVICE:
- service = strdup(arg_unit);
- timer = unit_name_change_suffix(service, ".timer");
- if (!timer)
- return log_oom();
- break;
-
- case UNIT_TIMER:
- timer = strdup(arg_unit);
- service = unit_name_change_suffix(timer, ".service");
- if (!service)
- return log_oom();
- break;
-
- default:
- service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
- if (!service)
- return log_oom();
-
- timer = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".timer");
- if (!timer)
- return log_oom();
-
- break;
- }
- } else if ((asprintf(&service, "run-"PID_FMT".service", getpid()) < 0) ||
- (asprintf(&timer, "run-"PID_FMT".timer", getpid()) < 0))
- return log_oom();
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartTransientUnit");
- if (r < 0)
- return bus_log_create_error(r);
-
- /* name and mode */
- r = sd_bus_message_append(m, "ss", timer, "fail");
- if (r < 0)
- return bus_log_create_error(r);
-
- /* properties */
- r = sd_bus_message_open_container(m, 'a', "(sv)");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = transient_timer_set_properties(m);
- if (r < 0)
- return bus_log_create_error(r);
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0) {
+ log_error("Failed to start transient service unit: %s", bus_error_message(&error, -r));
+ return r;
+ }
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(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;
- if (argv[0]) {
- r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
+ r = sd_event_default(&event);
if (r < 0)
- return bus_log_create_error(r);
+ return log_error_errno(r, "Failed to get event loop: %m");
- r = sd_bus_message_open_container(m, 'r', "sa(sv)");
- if (r < 0)
- return bus_log_create_error(r);
+ assert_se(sigemptyset(&mask) == 0);
+ sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
+ assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
- r = sd_bus_message_append(m, "s", service);
- if (r < 0)
- return bus_log_create_error(r);
+ sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
+ sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
- r = sd_bus_message_open_container(m, 'a', "(sv)");
- if (r < 0)
- return bus_log_create_error(r);
+ if (!arg_quiet)
+ log_info("Running as unit %s.\nPress ^] three times within 1s to disconnect TTY.", service);
- r = transient_service_set_properties(m, argv);
+ r = pty_forward_new(event, master, false, false, &forward);
if (r < 0)
- return bus_log_create_error(r);
+ return log_error_errno(r, "Failed to create PTY forwarder: %m");
- r = sd_bus_message_close_container(m);
+ r = sd_event_loop(event);
if (r < 0)
- return bus_log_create_error(r);
+ return log_error_errno(r, "Failed to run event loop: %m");
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
+ pty_forward_get_last_char(forward, &last_char);
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
- } else {
- r = sd_bus_message_append(m, "a(sa(sv))", 0);
- if (r < 0)
- return bus_log_create_error(r);
- }
+ forward = pty_forward_free(forward);
- /* send dbus */
- r = sd_bus_call(bus, m, 0, error, NULL);
- if (r < 0)
- return bus_log_create_error(r);
+ if (!arg_quiet && last_char != '\n')
+ fputc('\n', stdout);
- log_info("Running as unit %s.", timer);
- if (argv[0])
- log_info("Will run as unit %s.", service);
+ } else if (!arg_quiet)
+ log_info("Running as unit %s.", service);
return 0;
}
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_strv_free_ char **env = NULL, **user_env = NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *scope = NULL;
- _cleanup_strv_free_ char **env = NULL, **user_env = NULL;
int r;
assert(bus);
return log_oom();
r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartTransientUnit");
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
- /* name and mode */
+ /* Name and Mode */
r = sd_bus_message_append(m, "ss", scope, "fail");
if (r < 0)
return bus_log_create_error(r);
- /* properties */
+ /* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
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);
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ 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();
- log_info("Running as unit %s.", scope);
+ if (!arg_quiet)
+ log_info("Running as unit %s.", scope);
execvpe(argv[0], argv, env);
- log_error_errno(errno, "Failed to execute: %m");
- return -errno;
+
+ return log_error_errno(errno, "Failed to execute: %m");
}
-int main(int argc, char* argv[]) {
+static int start_transient_timer(
+ sd_bus *bus,
+ char **argv) {
+
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ _cleanup_free_ char *timer = NULL, *service = NULL;
+ int r;
+
+ assert(bus);
+ assert(argv);
+
+ if (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();
+ break;
+
+ case UNIT_TIMER:
+ timer = strdup(arg_unit);
+ if (!timer)
+ return log_oom();
+
+ service = unit_name_change_suffix(timer, ".service");
+ if (!service)
+ return log_oom();
+ break;
+
+ default:
+ service = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".service");
+ if (!service)
+ return log_oom();
+
+ timer = unit_name_mangle_with_suffix(arg_unit, MANGLE_NOGLOB, ".timer");
+ if (!timer)
+ return log_oom();
+
+ break;
+ }
+ } else if ((asprintf(&service, "run-"PID_FMT".service", getpid()) < 0) ||
+ (asprintf(&timer, "run-"PID_FMT".timer", getpid()) < 0))
+ return log_oom();
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartTransientUnit");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ /* Name and Mode */
+ r = sd_bus_message_append(m, "ss", timer, "fail");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ /* Properties */
+ r = sd_bus_message_open_container(m, 'a', "(sv)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = transient_timer_set_properties(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (argv[0]) {
+ r = sd_bus_message_open_container(m, 'r', "sa(sv)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "s", service);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'a', "(sv)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = transient_service_set_properties(m, argv, NULL);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0) {
+ log_error("Failed to start transient timer unit: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ log_info("Running as unit %s.", timer);
+ if (argv[0])
+ log_info("Will run as unit %s.", service);
+
+ return 0;
+}
+
+int main(int argc, char* argv[]) {
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
_cleanup_free_ char *description = NULL, *command = NULL;
int r;
}
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);
~ianmdlvl / elogind.git / blobdiff