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-rw-r--r--src/run/run.c71
1 files changed, 64 insertions, 7 deletions
diff --git a/src/run/run.c b/src/run/run.c
index df6a4f0074..9f096b75b7 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -687,6 +687,51 @@ static int transient_timer_set_properties(sd_bus_message *m) {
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;
+}
+
static int start_transient_service(
sd_bus *bus,
char **argv) {
@@ -763,8 +808,11 @@ static int start_transient_service(
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();
+ } else {
+ r = make_unit_name(bus, UNIT_SERVICE, &service);
+ if (r < 0)
+ return r;
+ }
r = sd_bus_message_new_method_call(
bus,
@@ -882,8 +930,11 @@ static int start_transient_scope(
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();
+ } else {
+ r = make_unit_name(bus, UNIT_SCOPE, &scope);
+ if (r < 0)
+ return r;
+ }
r = sd_bus_message_new_method_call(
bus,
@@ -1052,9 +1103,15 @@ static int start_transient_timer(
break;
}
- } else if ((asprintf(&service, "run-"PID_FMT".service", getpid()) < 0) ||
- (asprintf(&timer, "run-"PID_FMT".timer", getpid()) < 0))
- return log_oom();
+ } 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,