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-rw-r--r--src/run/run.c1441
1 files changed, 0 insertions, 1441 deletions
diff --git a/src/run/run.c b/src/run/run.c
deleted file mode 100644
index 81b53fdfab..0000000000
--- a/src/run/run.c
+++ /dev/null
@@ -1,1441 +0,0 @@
-/***
- 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 <getopt.h>
-#include <stdio.h>
-
-#include "sd-bus.h"
-#include "sd-event.h"
-
-#include "alloc-util.h"
-#include "bus-error.h"
-#include "bus-unit-util.h"
-#include "bus-util.h"
-#include "calendarspec.h"
-#include "env-util.h"
-#include "fd-util.h"
-#include "formats-util.h"
-#include "parse-util.h"
-#include "path-util.h"
-#include "process-util.h"
-#include "ptyfwd.h"
-#include "signal-util.h"
-#include "spawn-polkit-agent.h"
-#include "strv.h"
-#include "terminal-util.h"
-#include "unit-name.h"
-#include "user-util.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 bool arg_wait = 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 const char *arg_host = NULL;
-static bool arg_user = false;
-static const char *arg_service_type = NULL;
-static const char *arg_exec_user = NULL;
-static const char *arg_exec_group = NULL;
-static int arg_nice = 0;
-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_active = 0;
-static usec_t arg_on_unit_inactive = 0;
-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.\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"
- " --scope Run this as scope rather than service\n"
- " --unit=UNIT Run under the specified unit name\n"
- " -p --property=NAME=VALUE Set service or scope 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"
- " --wait Wait until service stopped again\n"
- " --send-sighup Send SIGHUP when terminating\n"
- " --service-type=TYPE Service type\n"
- " --uid=USER Run as system user\n"
- " --gid=GROUP Run as system group\n"
- " --nice=NICE Nice level\n"
- " -E --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"
- " --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);
-}
-
-static bool with_timer(void) {
- return arg_on_active || arg_on_boot || arg_on_startup || arg_on_unit_active || arg_on_unit_inactive || arg_on_calendar;
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_USER,
- ARG_SYSTEM,
- ARG_SCOPE,
- ARG_UNIT,
- ARG_DESCRIPTION,
- ARG_SLICE,
- ARG_SEND_SIGHUP,
- ARG_SERVICE_TYPE,
- ARG_EXEC_USER,
- ARG_EXEC_GROUP,
- ARG_NICE,
- ARG_ON_ACTIVE,
- ARG_ON_BOOT,
- ARG_ON_STARTUP,
- ARG_ON_UNIT_ACTIVE,
- ARG_ON_UNIT_INACTIVE,
- ARG_ON_CALENDAR,
- ARG_TIMER_PROPERTY,
- ARG_NO_BLOCK,
- ARG_NO_ASK_PASSWORD,
- ARG_WAIT,
- };
-
- static const struct option options[] = {
- { "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' },
- { "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
- { "wait", no_argument, NULL, ARG_WAIT },
- { "uid", required_argument, NULL, ARG_EXEC_USER },
- { "gid", required_argument, NULL, ARG_EXEC_GROUP },
- { "nice", required_argument, NULL, ARG_NICE },
- { "setenv", required_argument, NULL, 'E' },
- { "property", required_argument, NULL, 'p' },
- { "tty", no_argument, NULL, 't' }, /* deprecated */
- { "pty", 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 },
- { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
- { "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;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "+hrH:M:E:p:tq", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- return version();
-
- case ARG_NO_ASK_PASSWORD:
- arg_ask_password = false;
- break;
-
- case ARG_USER:
- arg_user = true;
- break;
-
- case ARG_SYSTEM:
- arg_user = false;
- break;
-
- case ARG_SCOPE:
- arg_scope = true;
- break;
-
- case ARG_UNIT:
- arg_unit = optarg;
- break;
-
- case ARG_DESCRIPTION:
- arg_description = optarg;
- break;
-
- case ARG_SLICE:
- 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_MACHINE;
- arg_host = optarg;
- break;
-
- case ARG_SERVICE_TYPE:
- arg_service_type = optarg;
- break;
-
- case ARG_EXEC_USER:
- arg_exec_user = optarg;
- break;
-
- case ARG_EXEC_GROUP:
- arg_exec_group = optarg;
- break;
-
- case ARG_NICE:
- r = parse_nice(optarg, &arg_nice);
- if (r < 0)
- return log_error_errno(r, "Failed to parse nice value: %s", optarg);
-
- arg_nice_set = true;
- break;
-
- case 'E':
- 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);
- if (r < 0) {
- log_error("Failed to parse timer value: %s", optarg);
- return r;
- }
-
- break;
-
- case ARG_ON_BOOT:
-
- r = parse_sec(optarg, &arg_on_boot);
- if (r < 0) {
- log_error("Failed to parse timer value: %s", optarg);
- return r;
- }
-
- break;
-
- case ARG_ON_STARTUP:
-
- r = parse_sec(optarg, &arg_on_startup);
- if (r < 0) {
- log_error("Failed to parse timer value: %s", optarg);
- return r;
- }
-
- break;
-
- case ARG_ON_UNIT_ACTIVE:
-
- r = parse_sec(optarg, &arg_on_unit_active);
- if (r < 0) {
- log_error("Failed to parse timer value: %s", optarg);
- return r;
- }
-
- break;
-
- case ARG_ON_UNIT_INACTIVE:
-
- r = parse_sec(optarg, &arg_on_unit_inactive);
- if (r < 0) {
- log_error("Failed to parse timer value: %s", optarg);
- return r;
- }
-
- break;
-
- 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;
- }
-
- calendar_spec_free(spec);
- arg_on_calendar = optarg;
- break;
- }
-
- case ARG_TIMER_PROPERTY:
-
- if (strv_extend(&arg_timer_property, optarg) < 0)
- return log_oom();
-
- break;
-
- case ARG_NO_BLOCK:
- arg_no_block = true;
- break;
-
- case ARG_WAIT:
- arg_wait = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if ((optind >= argc) && (!arg_unit || !with_timer())) {
- log_error("Command line to execute required.");
- 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;
- }
-
- if (arg_scope && (arg_remain_after_exit || arg_service_type)) {
- log_error("--remain-after-exit and --service-type= are not supported in --scope mode.");
- return -EINVAL;
- }
-
- if (arg_pty && (with_timer() || arg_scope)) {
- log_error("--pty is not compatible in timer or --scope mode.");
- 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;
- }
-
- if (arg_timer_property && !with_timer()) {
- log_error("--timer-property= has no effect without any other timer options.");
- return -EINVAL;
- }
-
- if (arg_wait) {
- if (arg_no_block) {
- log_error("--wait may not be combined with --no-block.");
- return -EINVAL;
- }
-
- if (with_timer()) {
- log_error("--wait may not be combined with timer operations.");
- return -EINVAL;
- }
-
- if (arg_scope) {
- log_error("--wait may not be combined with --scope.");
- return -EINVAL;
- }
- }
-
- return 1;
-}
-
-static int transient_unit_set_properties(sd_bus_message *m, char **properties) {
- int r;
-
- r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
- if (r < 0)
- return r;
-
- r = bus_append_unit_property_assignment_many(m, properties);
- 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;
-
- 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)
- return r;
- }
-
- return 0;
-}
-
-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, 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;
-
- if (arg_wait) {
- r = sd_bus_message_append(m, "(sv)", "AddRef", "b", 1);
- if (r < 0)
- return r;
- }
-
- if (arg_remain_after_exit) {
- r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit);
- if (r < 0)
- return r;
- }
-
- if (arg_service_type) {
- r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type);
- if (r < 0)
- return r;
- }
-
- if (arg_exec_user) {
- r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user);
- if (r < 0)
- return r;
- }
-
- if (arg_exec_group) {
- r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group);
- if (r < 0)
- return r;
- }
-
- if (arg_nice_set) {
- r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice);
- if (r < 0)
- 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 r;
-
- r = sd_bus_message_append(m, "s", "Environment");
- if (r < 0)
- return r;
-
- r = sd_bus_message_open_container(m, 'v', "as");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append_strv(m, arg_environment);
- 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;
- }
-
- /* Exec container */
- {
- 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_append_strv(m, argv);
- 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;
- }
-
- 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 = transient_cgroup_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, arg_timer_property);
- if (r < 0)
- return r;
-
- /* Automatically clean up our transient timers */
- r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false);
- if (r < 0)
- return r;
-
- if (arg_on_active) {
- r = sd_bus_message_append(m, "(sv)", "OnActiveSec", "t", arg_on_active);
- if (r < 0)
- return r;
- }
-
- if (arg_on_boot) {
- r = sd_bus_message_append(m, "(sv)", "OnBootSec", "t", arg_on_boot);
- if (r < 0)
- return r;
- }
-
- if (arg_on_startup) {
- r = sd_bus_message_append(m, "(sv)", "OnStartupSec", "t", arg_on_startup);
- if (r < 0)
- return r;
- }
-
- if (arg_on_unit_active) {
- r = sd_bus_message_append(m, "(sv)", "OnUnitActiveSec", "t", arg_on_unit_active);
- if (r < 0)
- return r;
- }
-
- if (arg_on_unit_inactive) {
- r = sd_bus_message_append(m, "(sv)", "OnUnitInactiveSec", "t", arg_on_unit_inactive);
- if (r < 0)
- return r;
- }
-
- if (arg_on_calendar) {
- r = sd_bus_message_append(m, "(sv)", "OnCalendar", "s", arg_on_calendar);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int make_unit_name(sd_bus *bus, UnitType t, char **ret) {
- const char *unique, *id;
- char *p;
- int r;
-
- assert(bus);
- assert(t >= 0);
- assert(t < _UNIT_TYPE_MAX);
-
- r = sd_bus_get_unique_name(bus, &unique);
- if (r < 0) {
- sd_id128_t rnd;
-
- /* We couldn't get the unique name, which is a pretty
- * common case if we are connected to systemd
- * directly. In that case, just pick a random uuid as
- * name */
-
- r = sd_id128_randomize(&rnd);
- if (r < 0)
- return log_error_errno(r, "Failed to generate random run unit name: %m");
-
- if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0)
- return log_oom();
-
- return 0;
- }
-
- /* We managed to get the unique name, then let's use that to
- * name our transient units. */
-
- id = startswith(unique, ":1.");
- if (!id) {
- log_error("Unique name %s has unexpected format.", unique);
- return -EINVAL;
- }
-
- p = strjoin("run-u", id, ".", unit_type_to_string(t), NULL);
- if (!p)
- return log_oom();
-
- *ret = p;
- return 0;
-}
-
-typedef struct RunContext {
- sd_bus *bus;
- sd_event *event;
- PTYForward *forward;
- sd_bus_slot *match;
-
- /* The exit data of the unit */
- char *active_state;
- uint64_t inactive_exit_usec;
- uint64_t inactive_enter_usec;
- char *result;
- uint64_t cpu_usage_nsec;
- uint32_t exit_code;
- uint32_t exit_status;
-} RunContext;
-
-static void run_context_free(RunContext *c) {
- assert(c);
-
- c->forward = pty_forward_free(c->forward);
- c->match = sd_bus_slot_unref(c->match);
- c->bus = sd_bus_unref(c->bus);
- c->event = sd_event_unref(c->event);
-
- free(c->active_state);
- free(c->result);
-}
-
-static void run_context_check_done(RunContext *c) {
- bool done = true;
-
- assert(c);
-
- if (c->match)
- done = done && (c->active_state && STR_IN_SET(c->active_state, "inactive", "failed"));
-
- if (c->forward)
- done = done && pty_forward_is_done(c->forward);
-
- if (done)
- sd_event_exit(c->event, EXIT_SUCCESS);
-}
-
-static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
-
- static const struct bus_properties_map map[] = {
- { "ActiveState", "s", NULL, offsetof(RunContext, active_state) },
- { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_exit_usec) },
- { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_enter_usec) },
- { "Result", "s", NULL, offsetof(RunContext, result) },
- { "ExecMainCode", "i", NULL, offsetof(RunContext, exit_code) },
- { "ExecMainStatus", "i", NULL, offsetof(RunContext, exit_status) },
- { "CPUUsageNSec", "t", NULL, offsetof(RunContext, cpu_usage_nsec) },
- {}
- };
-
- RunContext *c = userdata;
- int r;
-
- r = bus_map_all_properties(c->bus,
- "org.freedesktop.systemd1",
- sd_bus_message_get_path(m),
- map,
- c);
- if (r < 0) {
- sd_event_exit(c->event, EXIT_FAILURE);
- return log_error_errno(r, "Failed to query unit state: %m");
- }
-
- run_context_check_done(c);
- return 0;
-}
-
-static int pty_forward_handler(PTYForward *f, int rcode, void *userdata) {
- RunContext *c = userdata;
-
- assert(f);
-
- if (rcode < 0) {
- sd_event_exit(c->event, EXIT_FAILURE);
- return log_error_errno(rcode, "Error on PTY forwarding logic: %m");
- }
-
- run_context_check_done(c);
- return 0;
-}
-
-static int start_transient_service(
- sd_bus *bus,
- char **argv,
- int *retval) {
-
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
- _cleanup_(sd_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;
- int r;
-
- assert(bus);
- assert(argv);
- assert(retval);
-
- 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");
-
- if (unlockpt(master) < 0)
- return log_error_errno(errno, "Failed to unlock tty: %m");
-
- } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
- _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL;
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL;
- const char *s;
-
- 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,
- &pty_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(pty_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 (!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) {
- 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 {
- r = make_unit_name(bus, UNIT_SERVICE, &service);
- if (r < 0)
- return r;
- }
-
- 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);
-
- 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)
- 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_service_set_properties(m, argv, pty_path);
- 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);
-
- /* Auxiliary units */
- r = sd_bus_message_append(m, "a(sa(sv))", 0);
- 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)
- 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 (!arg_quiet)
- log_info("Running as unit: %s", service);
-
- if (arg_wait || master >= 0) {
- _cleanup_(run_context_free) RunContext c = {};
-
- c.bus = sd_bus_ref(bus);
-
- r = sd_event_default(&c.event);
- if (r < 0)
- return log_error_errno(r, "Failed to get event loop: %m");
-
- if (master >= 0) {
- assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
- (void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL);
- (void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL);
-
- if (!arg_quiet)
- log_info("Press ^] three times within 1s to disconnect TTY.");
-
- r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward);
- if (r < 0)
- return log_error_errno(r, "Failed to create PTY forwarder: %m");
-
- pty_forward_set_handler(c.forward, pty_forward_handler, &c);
- }
-
- if (arg_wait) {
- _cleanup_free_ char *path = NULL;
- const char *mt;
-
- path = unit_dbus_path_from_name(service);
- if (!path)
- return log_oom();
-
- mt = strjoina("type='signal',"
- "sender='org.freedesktop.systemd1',"
- "path='", path, "',"
- "interface='org.freedesktop.DBus.Properties',"
- "member='PropertiesChanged'");
- r = sd_bus_add_match(bus, &c.match, mt, on_properties_changed, &c);
- if (r < 0)
- return log_error_errno(r, "Failed to add properties changed signal.");
-
- r = sd_bus_attach_event(bus, c.event, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to attach bus to event loop.");
- }
-
- r = sd_event_loop(c.event);
- if (r < 0)
- return log_error_errno(r, "Failed to run event loop: %m");
-
- if (c.forward) {
- char last_char = 0;
-
- r = pty_forward_get_last_char(c.forward, &last_char);
- if (r >= 0 && !arg_quiet && last_char != '\n')
- fputc('\n', stdout);
- }
-
- if (!arg_quiet) {
- if (!isempty(c.result))
- log_info("Finished with result: %s", strna(c.result));
-
- if (c.exit_code == CLD_EXITED)
- log_info("Main processes terminated with: code=%s/status=%i", sigchld_code_to_string(c.exit_code), c.exit_status);
- else if (c.exit_code > 0)
- log_info("Main processes terminated with: code=%s/status=%s", sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status));
-
- if (c.inactive_enter_usec > 0 && c.inactive_enter_usec != USEC_INFINITY &&
- c.inactive_exit_usec > 0 && c.inactive_exit_usec != USEC_INFINITY &&
- c.inactive_enter_usec > c.inactive_exit_usec) {
- char ts[FORMAT_TIMESPAN_MAX];
- log_info("Service runtime: %s", format_timespan(ts, sizeof(ts), c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC));
- }
-
- if (c.cpu_usage_nsec > 0 && c.cpu_usage_nsec != NSEC_INFINITY) {
- char ts[FORMAT_TIMESPAN_MAX];
- log_info("CPU time consumed: %s", format_timespan(ts, sizeof(ts), (c.cpu_usage_nsec + NSEC_PER_USEC - 1) / NSEC_PER_USEC, USEC_PER_MSEC));
- }
- }
-
- /* Try to propagate the service's return value */
- if (c.result && STR_IN_SET(c.result, "success", "exit-code") && c.exit_code == CLD_EXITED)
- *retval = c.exit_status;
- else
- *retval = EXIT_FAILURE;
- }
-
- return 0;
-}
-
-static int start_transient_scope(
- sd_bus *bus,
- char **argv) {
-
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(sd_bus_message_unrefp) 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_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) {
- 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 {
- r = make_unit_name(bus, UNIT_SCOPE, &scope);
- if (r < 0)
- return r;
- }
-
- 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);
-
- 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)
- 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_scope_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);
-
- /* Auxiliary units */
- r = sd_bus_message_append(m, "a(sa(sv))", 0);
- 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)
- return log_error_errno(errno, "Failed to set nice level: %m");
- }
-
- if (arg_exec_group) {
- gid_t gid;
-
- r = get_group_creds(&arg_exec_group, &gid);
- if (r < 0)
- return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group);
-
- if (setresgid(gid, gid, gid) < 0)
- return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
- }
-
- if (arg_exec_user) {
- const char *home, *shell;
- uid_t uid;
- gid_t gid;
-
- r = get_user_creds_clean(&arg_exec_user, &uid, &gid, &home, &shell);
- if (r < 0)
- return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user);
-
- if (home) {
- r = strv_extendf(&user_env, "HOME=%s", home);
- if (r < 0)
- return log_oom();
- }
-
- if (shell) {
- r = strv_extendf(&user_env, "SHELL=%s", shell);
- if (r < 0)
- return log_oom();
- }
-
- r = strv_extendf(&user_env, "USER=%s", arg_exec_user);
- if (r < 0)
- return log_oom();
-
- r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user);
- if (r < 0)
- return log_oom();
-
- if (!arg_exec_group) {
- if (setresgid(gid, gid, gid) < 0)
- return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
- }
-
- if (setresuid(uid, uid, uid) < 0)
- return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid);
- }
-
- env = strv_env_merge(3, environ, user_env, arg_environment);
- 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 scope as unit: %s", scope);
-
- execvpe(argv[0], argv, env);
-
- return log_error_errno(errno, "Failed to execute: %m");
-}
-
-static int start_transient_timer(
- sd_bus *bus,
- char **argv) {
-
- _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_(sd_bus_message_unrefp) 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)) {
-
- case UNIT_SERVICE:
- service = strdup(arg_unit);
- if (!service)
- 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:
- timer = strdup(arg_unit);
- if (!timer)
- 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:
- 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");
-
- 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;
- }
- } else {
- r = make_unit_name(bus, UNIT_SERVICE, &service);
- if (r < 0)
- return r;
-
- r = unit_name_change_suffix(service, ".timer", &timer);
- if (r < 0)
- return log_error_errno(r, "Failed to change unit suffix: %m");
- }
-
- 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);
-
- 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)
- 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 (!strv_isempty(argv)) {
- 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);
-
- 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_parse_error(r);
-
- r = bus_wait_for_jobs_one(w, object, arg_quiet);
- if (r < 0)
- return r;
-
- if (!arg_quiet) {
- log_info("Running timer as unit: %s", timer);
- if (argv[0])
- log_info("Will run service as unit: %s", service);
- }
-
- return 0;
-}
-
-int main(int argc, char* argv[]) {
- _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
- _cleanup_free_ char *description = NULL, *command = NULL;
- int r, retval = EXIT_SUCCESS;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- 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: %m", argv[optind]);
- goto finish;
- }
-
- argv[optind] = command;
- }
-
- if (!arg_description) {
- description = strv_join(argv + optind, " ");
- if (!description) {
- r = log_oom();
- goto finish;
- }
-
- if (arg_unit && isempty(description)) {
- r = free_and_strdup(&description, arg_unit);
- if (r < 0)
- goto finish;
- }
-
- arg_description = description;
- }
-
- /* If --wait is used connect via the bus, unconditionally, as ref/unref is not supported via the limited direct
- * connection */
- if (arg_wait)
- r = bus_connect_transport(arg_transport, arg_host, arg_user, &bus);
- else
- 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);
- else if (with_timer())
- r = start_transient_timer(bus, argv + optind);
- else
- r = start_transient_service(bus, argv + optind, &retval);
-
-finish:
- strv_free(arg_environment);
- strv_free(arg_property);
- strv_free(arg_timer_property);
-
- return r < 0 ? EXIT_FAILURE : retval;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 11:24:35 +0000