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📄 Makefile(347 B)
📄 Makefile.m4(4.37 KB)
📄 README(81.76 KB)
📄 SECURITY(7.5 KB)
📄 TRACEFLAGS(3.1 KB)
📄 TUNING(10.22 KB)
📄 alias.c(22.22 KB)
📄 aliases(1.43 KB)
📄 aliases.5(3.15 KB)
📄 arpadate.c(4.01 KB)
📄 bf.c(17.58 KB)
📄 bf.h(1007 B)
📄 collect.c(24.45 KB)
📄 conf.c(152.23 KB)
📄 conf.h(7.13 KB)
📄 control.c(8.91 KB)
📄 convtime.c(3.56 KB)
📄 daemon.c(99.13 KB)
📄 daemon.h(1.46 KB)
📄 deliver.c(151.7 KB)
📄 domain.c(36.74 KB)
📄 envelope.c(31.71 KB)
📄 err.c(26.52 KB)
📄 headers.c(50.32 KB)
📄 helpfile(5.53 KB)
📄 macro.c(14.86 KB)
📄 mailq.1(3.46 KB)
📄 main.c(108.07 KB)
📄 map.c(177.38 KB)
📄 map.h(3.81 KB)
📄 mci.c(35.37 KB)
📄 milter.c(103.43 KB)
📄 mime.c(30.7 KB)
📄 newaliases.1(1.27 KB)
📄 parseaddr.c(80.3 KB)
📄 queue.c(206.08 KB)
📄 ratectrl.c(13.01 KB)
📄 ratectrl.h(3.94 KB)
📄 readcf.c(119.73 KB)
📄 recipient.c(48.48 KB)
📄 sasl.c(5.7 KB)
📄 savemail.c(43.3 KB)
📄 sendmail.8(17.31 KB)
📄 sendmail.h(103.76 KB)
📄 sfsasl.c(21.01 KB)
📄 sfsasl.h(644 B)
📄 shmticklib.c(1.51 KB)
📄 sm_resolve.c(33.24 KB)
📄 sm_resolve.h(5.25 KB)
📄 srvrsmtp.c(133.04 KB)
📄 stab.c(8.73 KB)
📄 stats.c(4.17 KB)
📄 statusd_shm.h(945 B)
📄 sysexits.c(3.61 KB)
📄 timers.c(4.29 KB)
📄 timers.h(800 B)
📄 tls.c(62.13 KB)
📄 tls.h(8.1 KB)
📄 tlsh.c(4.73 KB)
📄 trace.c(4.25 KB)
📄 udb.c(28.98 KB)
📄 usersmtp.c(76.98 KB)
📄 util.c(56.62 KB)
📄 version.c(539 B)

Editing: ratectrl.h

/*
 * Copyright (c) 2003 Proofpoint, Inc. and its suppliers.
 *	All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 *
 * Contributed by Jose Marcio Martins da Cruz - Ecole des Mines de Paris
 *   Jose-Marcio.Martins@ensmp.fr
 */

/* a part of this code is based on inetd.c for which this copyright applies: */
/*
 * Copyright (c) 1983, 1991, 1993, 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef RATECTRL_H
#define RATECTRL_H 1

#include <sendmail.h>

/*
**  stuff included - given some warnings (inet_ntoa)
**	- surely not everything is needed
*/

#if NETINET || NETINET6
# include <arpa/inet.h>
#endif

#include <sm/time.h>

#ifndef HASH_ALG
# define HASH_ALG	2
#endif

#ifndef RATECTL_DEBUG
# define RATECTL_DEBUG  0
#endif

/* this should be a power of 2, otherwise CPMHMASK doesn't work well */
#ifndef CPMHSIZE
# define CPMHSIZE	1024
#endif

#define CPMHMASK	(CPMHSIZE-1)
#define CHTSIZE		6

/* Number of connections for a certain "tick" */
typedef struct CTime
{
	unsigned long	ct_Ticks;
	int		ct_Count;
}
CTime_T;

typedef struct CHash
{
#if NETINET6 && NETINET
	union
	{
		struct in_addr	c4_Addr;
		struct in6_addr	c6_Addr;
	} cu_Addr;
# define ch_Addr4	cu_Addr.c4_Addr
# define ch_Addr6	cu_Addr.c6_Addr
#else /* NETINET6 && NETINET */
# if NETINET6
	struct in6_addr	ch_Addr;
#  define ch_Addr6	ch_Addr
# else /* NETINET6 */
	struct in_addr ch_Addr;
#  define ch_Addr4	ch_Addr
# endif /* NETINET6 */
#endif /* NETINET6 && NETINET */

int		ch_Family;
	time_t		ch_LTime;
	unsigned long	ch_colls;

/* 6 buckets for ticks: 60s */
	CTime_T		ch_Times[CHTSIZE];
#if _FFR_OCC
	int		ch_oc;	/* open connections */
#endif
}
CHash_T;

#define SM_CLFL_NONE	0x00
#define SM_CLFL_UPDATE	0x01
#define SM_CLFL_EXC	0x02	/* check if limit is exceeded */

extern void	connection_rate_check __P((SOCKADDR *, ENVELOPE *));
extern int	conn_limits __P((ENVELOPE *, time_t, SOCKADDR *, int, CHash_T *, int, int));
extern bool	occ_exceeded __P((ENVELOPE *, MCI *, const char *, SOCKADDR *));
extern bool	occ_close __P((ENVELOPE *, MCI *, const char *, SOCKADDR *));
extern void	dump_ch __P((SM_FILE_T *));
#endif /* ! RATECTRL_H */

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Editing: ratectrl.h

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