std::array<unsigned, 10> process_sensor_levels(const config_t & config, const uint8_t levels[5])
{
const int adc[5] = { levels[0], levels[1], levels[2], levels[3], levels[4] };
int pressed[5] = { 0, };
filter_keys(adc, pressed);
std::array < unsigned, 5 >
filtered_levels = {},
original_levels = {};
for (unsigned i = 0; i < 5; i++) original_levels[i] = 0x7F - adc[i];
for (unsigned i = 0; i < 5; i++) filtered_levels[i] = (pressed[i] ? original_levels[i] : 0);
for (unsigned i = 0; i < 5; ++i)
if (key_states[i] != !! pressed[i])
((key_states[i] = !! pressed[i]) ? simulate_key_press : simulate_key_release)(config.key_codes[i]);
std::array<unsigned, 10> result{};
std::copy_n(original_levels.begin(), 5, result.begin() + 0);
std::copy_n(filtered_levels.begin(), 5, result.begin() + 5);
return result;
}
static int ldap_set_keytab(krb5_context krbctx,
const char *ldap_uri,
const char *principal_name,
krb5_principal princ,
const char *binddn,
const char *bindpw,
const char *mech,
const char *ca_cert_file,
struct keys_container *keys)
{
LDAP *ld = NULL;
BerElement *sctrl = NULL;
struct berval *control = NULL;
LDAPControl **srvctrl = NULL;
int ret;
int kvno, i;
ber_tag_t rtag;
ber_int_t *encs = NULL;
int successful_keys = 0;
/* cant' return more than nkeys, sometimes less */
encs = calloc(keys->nkeys + 1, sizeof(ber_int_t));
if (!encs) {
fprintf(stderr, _("Out of Memory!\n"));
return 0;
}
/* build password change control */
control = create_key_control(keys, principal_name);
if (!control) {
fprintf(stderr, _("Failed to create control!\n"));
goto error_out;
}
ret = ipa_ldap_bind(ldap_uri, princ, binddn, bindpw, mech, ca_cert_file, &ld);
if (ret != LDAP_SUCCESS) {
fprintf(stderr, _("Failed to bind to server!\n"));
goto error_out;
}
/* perform password change */
ret = ipa_ldap_extended_op(ld, KEYTAB_SET_OID, control, &srvctrl);
if (ret != LDAP_SUCCESS) {
fprintf(stderr, _("Failed to get keytab!\n"));
goto error_out;
}
ber_bvfree(control);
control = NULL;
sctrl = get_control_data(srvctrl, KEYTAB_RET_OID);
if (!sctrl) {
fprintf(stderr, _("ber_init() failed, Invalid control ?!\n"));
goto error_out;
}
/* Format of response
*
* KeytabGetRequest ::= SEQUENCE {
* new_kvno Int32
* SEQUENCE OF KeyTypes
* }
*
* * List of accepted enctypes *
* KeyTypes ::= SEQUENCE {
* enctype Int32
* }
*/
rtag = ber_scanf(sctrl, "{i{", &kvno);
if (rtag == LBER_ERROR) {
fprintf(stderr, _("ber_scanf() failed, unable to find kvno ?!\n"));
goto error_out;
}
for (i = 0; i < keys->nkeys; i++) {
ret = ber_scanf(sctrl, "{i}", &encs[i]);
if (ret == LBER_ERROR) {
char enc[79]; /* fit std terminal or truncate */
krb5_error_code krberr;
krberr = krb5_enctype_to_string(
keys->ksdata[i].enctype, enc, 79);
if (krberr) {
fprintf(stderr, _("Failed to retrieve "
"encryption type type #%d\n"),
keys->ksdata[i].enctype);
} else {
fprintf(stderr, _("Failed to retrieve "
"encryption type %1$s (#%2$d)\n"),
enc, keys->ksdata[i].enctype);
}
} else {
successful_keys++;
}
}
if (successful_keys == 0) {
fprintf(stderr, _("Failed to retrieve any keys"));
goto error_out;
}
ret = filter_keys(krbctx, keys, encs);
if (ret == 0) goto error_out;
ber_free(sctrl, 1);
ldap_controls_free(srvctrl);
ldap_unbind_ext(ld, NULL, NULL);
free(encs);
return kvno;
error_out:
if (sctrl) ber_free(sctrl, 1);
if (srvctrl) ldap_controls_free(srvctrl);
if (ld) ldap_unbind_ext(ld, NULL, NULL);
if (control) ber_bvfree(control);
free(encs);
return -1;
}