static void
get_grey_data()
{
int rc;
if (!db)
jmperr(PACKAGE_STRING " database not opened");
rc = db->get(db, NULL, &dbkey, &dbdata, 0);
if (rc == DB_NOTFOUND) {
touch_data();
build_data();
}
else if (rc) {
log_db_error("get failed", rc);
jmperr("get failed");
}
else {
time_t ref_time;
double age_max;
if (triplet_data.pass_count) {
ref_time = triplet_data.access_time;
age_max = pass_max_idle;
}
else {
ref_time = triplet_data.create_time;
age_max = bloc_max_idle;
}
touch_data();
/* Expire IDLE records */
if (difftime(triplet_data.access_time, ref_time) > age_max)
build_data();
}
}
static int
process_smtp_rcpt(int crypted)
{
double delay;
int rc;
DB_ENV *dbenv;
DB *db;
DB_TXN *txn = NULL;
if (setjmp(defect_jmp_buf)) {
if (defect_msg) {
printf(STR_ACTION "WARN %s\n", defect_msg);
defect_msg = 0;
}
else
puts(STR_ACTION "WARN " PACKAGE_STRING " is not working properly");
if (txn)
call_db(txn->abort(txn), "Failed to abort transaction");
return 1;
}
rc = get_dbenv(&dbenv, 1);
if (rc)
jmperr("get_dbenv failed");
rc = get_db(&db, 1);
if (rc)
jmperr("get_db failed");
rc = call_db(dbenv->txn_begin(dbenv, NULL, &txn, 0),
"txn_begin failed in process_smtp_rcpt");
if (rc)
jmperr("txn_begin failed");
get_grey_data(db, txn);
if (triplet_data.crypted != crypted) {
triplet_data.crypted = crypted;
if (debug_me) syslog(LOG_DEBUG,"crypted field changed for some reason");
}
delay = difftime(triplet_data.access_time, triplet_data.create_time);
/* Block inbound mail that is from a previously unknown (ip, from, to) triplet */
/* However we want different behavior for crypted stuff
*/
if(crypted > 0) {
if(delay < cryptlist_delay) {
triplet_data.block_count++;
fputs(STR_ACTION, stdout);
printf_action(reject_action_fmt, greylist_delay - delay);
putchar('\n');
}
else if (triplet_data.pass_count++)
puts(STR_ACTION "DUNNO");
else {
fputs(STR_ACTION, stdout);
printf_action(cryptlisted_action_fmt, delay);
putchar('\n');
}
} else {
if(delay < greylist_delay || block_unencrypted) {
triplet_data.block_count++;
fputs(STR_ACTION, stdout);
if(block_unencrypted == 1) {
printf_action(reject_unencrypted_action_fmt, (3600*24)); // block it for a day
} else {
printf_action(reject_unencrypted_action_fmt, greylist_delay - delay);
}
putchar('\n');
}
else if (triplet_data.pass_count++)
puts(STR_ACTION "DUNNO");
else {
fputs(STR_ACTION, stdout);
printf_action(greylisted_action_fmt, delay);
putchar('\n');
}
}
rc = put_grey_data(db, txn);
if (rc)
call_db(txn->abort(txn), "abort failed");
else
call_db(txn->commit(txn, 0), "commit failed");
return rc;
}
static void
touch_data()
{
if (time(&triplet_data.access_time) == (time_t)-1)
jmperr("time failed");
}
