int bus_machine_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
Machine *m = userdata;
const char *swho;
int32_t signo;
KillWho who;
int r;
assert(message);
assert(m);
r = sd_bus_message_read(message, "si", &swho, &signo);
if (r < 0)
return r;
if (isempty(swho))
who = KILL_ALL;
else {
who = kill_who_from_string(swho);
if (who < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
}
if (!SIGNAL_VALID(signo))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
r = bus_verify_polkit_async(
message,
CAP_KILL,
"org.freedesktop.machine1.manage-machines",
NULL,
false,
UID_INVALID,
&m->manager->polkit_registry,
error);
if (r < 0)
return r;
if (r == 0)
return 1; /* Will call us back */
r = machine_kill(m, who, signo);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
int signal_from_string(const char *s) {
int signo;
int offset = 0;
unsigned u;
signo = __signal_from_string(s);
if (signo > 0)
return signo;
if (startswith(s, "RTMIN+")) {
s += 6;
offset = SIGRTMIN;
}
if (safe_atou(s, &u) >= 0) {
signo = (int) u + offset;
if (SIGNAL_VALID(signo))
return signo;
}
return -EINVAL;
}
