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Diffstat (limited to 'src/run/run.c')
-rw-r--r--src/run/run.c425
1 files changed, 272 insertions, 153 deletions
diff --git a/src/run/run.c b/src/run/run.c
index 7a80223918..828aa5cf93 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -23,7 +23,9 @@
#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"
@@ -31,6 +33,7 @@
#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;
@@ -48,6 +51,7 @@ 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;
@@ -77,7 +81,8 @@ static void help(void) {
" --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\n"
"Timer options:\n\n"
" --on-active=SEC Run after seconds\n"
" --on-boot=SEC Run after seconds from machine was booted up\n"
@@ -109,6 +114,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_SERVICE_TYPE,
ARG_NICE,
ARG_SETENV,
+ ARG_TTY,
ARG_ON_ACTIVE,
ARG_ON_BOOT,
ARG_ON_STARTUP,
@@ -137,6 +143,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "nice", required_argument, NULL, ARG_NICE },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "property", required_argument, NULL, 'p' },
+ { "tty", no_argument, NULL, 't' },
{ "on-active", required_argument, NULL, ARG_ON_ACTIVE },
{ "on-boot", required_argument, NULL, ARG_ON_BOOT },
{ "on-startup", required_argument, NULL, ARG_ON_STARTUP },
@@ -153,7 +160,7 @@ static int parse_argv(int argc, char *argv[]) {
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:t", options, NULL)) >= 0)
switch (c) {
@@ -244,6 +251,10 @@ static int parse_argv(int argc, char *argv[]) {
break;
+ case 't':
+ arg_pty = true;
+ break;
+
case ARG_ON_ACTIVE:
r = parse_sec(optarg, &arg_on_active);
@@ -339,6 +350,11 @@ static int parse_argv(int argc, char *argv[]) {
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;
@@ -352,11 +368,15 @@ static int parse_argv(int argc, char *argv[]) {
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;
@@ -373,9 +393,12 @@ static int transient_unit_set_properties(sd_bus_message *m, UnitType t) {
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;
@@ -389,21 +412,36 @@ static int transient_unit_set_properties(sd_bus_message *m, UnitType t) {
return r;
}
- if (arg_send_sighup && t != UNIT_TIMER) {
+ return 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 0;
+ return r;
}
-static int transient_service_set_properties(sd_bus_message *m, char **argv) {
+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;
@@ -437,6 +475,31 @@ static int transient_service_set_properties(sd_bus_message *m, char **argv) {
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 = strappenda("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)
@@ -517,12 +580,32 @@ static int transient_service_set_properties(sd_bus_message *m, char **argv) {
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;
@@ -565,22 +648,6 @@ static int transient_timer_set_properties(sd_bus_message *m) {
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,
@@ -588,11 +655,26 @@ static int start_transient_service(
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
_cleanup_free_ char *service = 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 (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)
@@ -610,17 +692,17 @@ static int start_transient_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);
@@ -628,138 +710,51 @@ static int start_transient_service(
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 (master >= 0) {
+ _cleanup_(pty_forward_freep) PTYForward *forward = NULL;
+ _cleanup_event_unref_ sd_event *event = NULL;
+ sigset_t mask;
+ char last_char = 0;
- 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_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- 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);
+ 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, &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_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 (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
+ log_info("Running as unit %s.", service);
return 0;
}
@@ -769,9 +764,9 @@ static int start_transient_scope(
char **argv,
sd_bus_error *error) {
+ _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);
@@ -785,21 +780,21 @@ static int start_transient_scope(
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);
@@ -879,8 +874,132 @@ static int start_transient_scope(
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");
+}
+
+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);
+ 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);
+
+ /* 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.", timer);
+ if (argv[0])
+ log_info("Will run as unit %s.", service);
+
+ return 0;
}
int main(int argc, char* argv[]) {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 05:49:54 +0000