static int
run_do(void)
{
static const char *etc_path = "/etc/machine-id",
*run_path = "/run/machine-id";
char id[33];
int r;
r = sol_util_read_file(etc_path, "%32s", id);
if (r < 0) {
/* We can only tolerate the file not existing or being
* malformed on /etc/, otherwise it's got more serious
* problems and it's better to fail */
if (r != -ENOENT && r != EOF)
goto err;
} else {
r = validate_machine_id(id);
/* return if OK here */
SOL_INT_CHECK(r, == 0, 0);
}
r = sol_util_uuid_gen(false, false, id);
SOL_INT_CHECK_GOTO(r, < 0, err);
if (write_machine_id(etc_path, id) >= 0)
goto end;
/* fallback to /run/ */
r = write_machine_id(run_path, id);
SOL_INT_CHECK_GOTO(r, < 0, err);
end:
sol_platform_linux_micro_inform_service_state
(name, SOL_PLATFORM_SERVICE_STATE_ACTIVE);
done = true;
return 0;
err:
sol_platform_linux_micro_inform_service_state
(name, SOL_PLATFORM_SERVICE_STATE_FAILED);
return r;
}
static int
parse_kcmdline_pin(void)
{
char buf[4096] = {};
const char *p, *start, *end;
int err, pin = -1;
err = sol_util_read_file("/proc/cmdline", "%4095[^\n]", buf);
if (err < 1)
return err;
start = buf;
end = start + strlen(buf);
for (p = start; pin < 0 && p < end; p++) {
if (isblank(*p) && start < p) {
pin = parse_kcmdline_pin_entry(start, p - start);
start = p + 1;
}
}
if (pin < 0 && start < end)
pin = parse_kcmdline_pin_entry(start, end - start);
return pin;
}
static int
_kcmdline_load(void)
{
char buf[4096] = {};
const char *p, *end, *start;
int err;
err = sol_util_read_file("/proc/cmdline", "%4095[^\n]", buf);
if (err < 1)
return err;
start = buf;
end = start + strlen(buf);
for (p = start; p < end; p++) {
if (isblank(*p) && start < p) {
_kcmdline_parse_entry(start, p - start);
start = p + 1;
}
}
if (start < end)
_kcmdline_parse_entry(start, end - start);
return 0;
}
