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/* $OpenBSD: limit.c,v 1.5 2016/06/15 19:59:03 gilles Exp $ */
/*
* Copyright (c) 2013 Eric Faurot <eric@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/socket.h>
#include <ctype.h>
#include <err.h>
#include <event.h>
#include <fcntl.h>
#include <imsg.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include "smtpd.h"
#include "log.h"
void
limit_mta_set_defaults(struct mta_limits *limits)
{
limits->maxconn_per_host = 10;
limits->maxconn_per_route = 5;
limits->maxconn_per_source = 100;
limits->maxconn_per_connector = 20;
limits->maxconn_per_relay = 100;
limits->maxconn_per_domain = 100;
limits->conndelay_host = 0;
limits->conndelay_route = 5;
limits->conndelay_source = 0;
limits->conndelay_connector = 0;
limits->conndelay_relay = 2;
limits->conndelay_domain = 0;
limits->discdelay_route = 3;
limits->max_mail_per_session = 100;
limits->sessdelay_transaction = 0;
limits->sessdelay_keepalive = 10;
limits->max_failures_per_session = 25;
limits->family = AF_UNSPEC;
limits->task_hiwat = 50;
limits->task_lowat = 30;
limits->task_release = 10;
}
int
limit_mta_set(struct mta_limits *limits, const char *key, int64_t value)
{
if (!strcmp(key, "max-conn-per-host"))
limits->maxconn_per_host = value;
else if (!strcmp(key, "max-conn-per-route"))
limits->maxconn_per_route = value;
else if (!strcmp(key, "max-conn-per-source"))
limits->maxconn_per_source = value;
else if (!strcmp(key, "max-conn-per-connector"))
limits->maxconn_per_connector = value;
else if (!strcmp(key, "max-conn-per-relay"))
limits->maxconn_per_relay = value;
else if (!strcmp(key, "max-conn-per-domain"))
limits->maxconn_per_domain = value;
else if (!strcmp(key, "conn-delay-host"))
limits->conndelay_host = value;
else if (!strcmp(key, "conn-delay-route"))
limits->conndelay_route = value;
else if (!strcmp(key, "conn-delay-source"))
limits->conndelay_source = value;
else if (!strcmp(key, "conn-delay-connector"))
limits->conndelay_connector = value;
else if (!strcmp(key, "conn-delay-relay"))
limits->conndelay_relay = value;
else if (!strcmp(key, "conn-delay-domain"))
limits->conndelay_domain = value;
else if (!strcmp(key, "reconn-delay-route"))
limits->discdelay_route = value;
else if (!strcmp(key, "session-mail-max"))
limits->max_mail_per_session = value;
else if (!strcmp(key, "session-transaction-delay"))
limits->sessdelay_transaction = value;
else if (!strcmp(key, "session-keepalive"))
limits->sessdelay_keepalive = value;
else if (!strcmp(key, "max-failures-per-session"))
limits->max_failures_per_session = value;
else if (!strcmp(key, "task-hiwat"))
limits->task_hiwat = value;
else if (!strcmp(key, "task-lowat"))
limits->task_lowat = value;
else if (!strcmp(key, "task-release"))
limits->task_release = value;
else
return (0);
return (1);
}
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