libmilter.h revision 77349
164562Sgshapiro/* 277349Sgshapiro * Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers. 364562Sgshapiro * All rights reserved. 464562Sgshapiro * 564562Sgshapiro * By using this file, you agree to the terms and conditions set 664562Sgshapiro * forth in the LICENSE file which can be found at the top level of 764562Sgshapiro * the sendmail distribution. 864562Sgshapiro */ 964562Sgshapiro 1064562Sgshapiro/* 1164562Sgshapiro** LIBMILTER.H -- include file for mail filter library functions 1264562Sgshapiro*/ 1364562Sgshapiro 1464562Sgshapiro#ifndef _LIBMILTER_H 1564562Sgshapiro# define _LIBMILTER_H 1 1664562Sgshapiro#ifdef _DEFINE 1764562Sgshapiro# define EXTERN 1864562Sgshapiro# define INIT(x) = x 1964562Sgshapiro# ifndef lint 2077349Sgshapirostatic char MilterlId[] = "@(#)$Id: libmilter.h,v 8.3.6.14 2001/05/27 14:31:12 ca Exp $"; 2164562Sgshapiro# endif /* ! lint */ 2264562Sgshapiro#else /* _DEFINE */ 2364562Sgshapiro# define EXTERN extern 2464562Sgshapiro# define INIT(x) 2564562Sgshapiro#endif /* _DEFINE */ 2664562Sgshapiro 2764562Sgshapiro 2864562Sgshapiro#define NOT_SENDMAIL 1 2964562Sgshapiro#define _SOCK_ADDR union bigsockaddr 3064562Sgshapiro#include "sendmail.h" 3164562Sgshapiro 3264562Sgshapiro#include "libmilter/milter.h" 3364562Sgshapiro 3464562Sgshapiro#ifndef __P 3564562Sgshapiro# include "sendmail/cdefs.h" 3664562Sgshapiro#endif /* ! __P */ 3764562Sgshapiro#include "sendmail/useful.h" 3864562Sgshapiro 3964562Sgshapiro# define ValidSocket(sd) ((sd) >= 0) 4066494Sgshapiro# define INVALID_SOCKET -1 4166494Sgshapiro# define MI_SOCK_READ(s, b, l) (read(s, b, l)) 4266494Sgshapiro# define MI_SOCK_WRITE(s, b, l) (write(s, b, l)) 4364562Sgshapiro 4464562Sgshapiro# define thread_create(ptid,wr,arg) pthread_create(ptid, NULL, wr, arg) 4564562Sgshapiro# define sthread_get_id() pthread_self() 4664562Sgshapiro 4771345Sgshapirotypedef pthread_mutex_t smutex_t; 4871345Sgshapiro# define smutex_init(mp) (pthread_mutex_init(mp, NULL) == 0) 4971345Sgshapiro# define smutex_destroy(mp) (pthread_mutex_destroy(mp) == 0) 5071345Sgshapiro# define smutex_lock(mp) (pthread_mutex_lock(mp) == 0) 5171345Sgshapiro# define smutex_unlock(mp) (pthread_mutex_unlock(mp) == 0) 5271345Sgshapiro# define smutex_trylock(mp) (pthread_mutex_trylock(mp) == 0) 5371345Sgshapiro 5464562Sgshapiro#include <sys/time.h> 5564562Sgshapiro 5664562Sgshapiro/* version info */ 5764562Sgshapiro#define MILTER_PRODUCT_NAME "libmilter" 5864562Sgshapiro#define MILTER_VERSION 100 5964562Sgshapiro 6064562Sgshapiro/* some defaults */ 6177349Sgshapiro#define MI_TIMEOUT 7210 /* default timeout for read/write */ 6264562Sgshapiro#define MI_CHK_TIME 5 /* checking whether to terminate */ 6364562Sgshapiro 6466494Sgshapiro#if SOMAXCONN > 20 6566494Sgshapiro# define MI_SOMAXCONN SOMAXCONN 6666494Sgshapiro#else /* SOMAXCONN */ 6766494Sgshapiro# define MI_SOMAXCONN 20 6866494Sgshapiro#endif /* SOMAXCONN */ 6966494Sgshapiro 7064562Sgshapiro/* maximum number of repeated failures in mi_listener() */ 7164562Sgshapiro#define MAX_FAILS_M 16 /* malloc() */ 7264562Sgshapiro#define MAX_FAILS_T 16 /* thread creation */ 7377349Sgshapiro#define MAX_FAILS_A 16 /* accept() */ 7464562Sgshapiro 7564562Sgshapiro/* internal "commands", i.e., error codes */ 7664562Sgshapiro#define SMFIC_TIMEOUT ((char) 1) /* timeout */ 7764562Sgshapiro#define SMFIC_SELECT ((char) 2) /* select error */ 7864562Sgshapiro#define SMFIC_MALLOC ((char) 3) /* malloc error */ 7964562Sgshapiro#define SMFIC_RECVERR ((char) 4) /* recv() error */ 8064562Sgshapiro#define SMFIC_EOF ((char) 5) /* eof */ 8164562Sgshapiro#define SMFIC_UNKNERR ((char) 6) /* unknown error */ 8264562Sgshapiro#define SMFIC_TOOBIG ((char) 7) /* body chunk too big */ 8364562Sgshapiro#define SMFIC_VALIDCMD ' ' /* first valid command */ 8464562Sgshapiro 8564562Sgshapiro/* hack */ 8664562Sgshapiro#define smi_log syslog 8764562Sgshapiro#define milter_ret int 8864562Sgshapiro#define SMI_LOG_ERR LOG_ERR 8964562Sgshapiro#define SMI_LOG_FATAL LOG_ERR 9064562Sgshapiro#define SMI_LOG_WARN LOG_WARNING 9164562Sgshapiro#define SMI_LOG_INFO LOG_INFO 9264562Sgshapiro#define SMI_LOG_DEBUG LOG_DEBUG 9364562Sgshapiro 9464562Sgshapiro/* stop? */ 9564562Sgshapiro#define MILTER_CONT 0 9664562Sgshapiro#define MILTER_STOP 1 9764562Sgshapiro#define MILTER_ABRT 2 9864562Sgshapiro 9964562Sgshapiro/* functions */ 10064562Sgshapiroextern int mi_handle_session __P((SMFICTX_PTR)); 10164562Sgshapiroextern int mi_engine __P((SMFICTX_PTR)); 10266494Sgshapiroextern int mi_listener __P((char *, int, smfiDesc_ptr, time_t, int)); 10364562Sgshapiroextern void mi_clr_macros __P((SMFICTX_PTR, int)); 10464562Sgshapiroextern int mi_stop __P((void)); 10564562Sgshapiroextern int mi_control_startup __P((char *)); 10664562Sgshapiroextern void mi_stop_milters __P((int)); 10764562Sgshapiroextern void mi_clean_signals __P((void)); 10864562Sgshapiroextern struct hostent *mi_gethostbyname __P((char *, int)); 10966494Sgshapiroextern void mi_closener __P((void)); 11064562Sgshapiro 11164562Sgshapiro/* communication functions */ 11264562Sgshapiroextern char *mi_rd_cmd __P((socket_t, struct timeval *, char *, size_t *, char *)); 11364562Sgshapiroextern int mi_wr_cmd __P((socket_t, struct timeval *, int, char *, size_t)); 11464562Sgshapiroextern bool mi_sendok __P((SMFICTX_PTR, int)); 11564562Sgshapiro 11664562Sgshapiro#endif /* !_LIBMILTER_H */ 117