conf.h

早期freebsd实现

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988, 1993
 *	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.
 *
 *	@(#)conf.h	8.104 (Berkeley) 4/17/94
 */

/*
**  CONF.H -- All user-configurable parameters for sendmail
*/

# include <sys/param.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <sys/file.h>
# include <sys/wait.h>
# include <fcntl.h>
# include <signal.h>

/**********************************************************************
**  Table sizes, etc....
**	There shouldn't be much need to change these....
**********************************************************************/

# define MAXLINE	2048		/* max line length */
# define MAXNAME	256		/* max length of a name */
# define MAXPV		40		/* max # of parms to mailers */
# define MAXATOM	200		/* max atoms per address */
# define MAXMAILERS	25		/* maximum mailers known to system */
# define MAXRWSETS	100		/* max # of sets of rewriting rules */
# define MAXPRIORITIES	25		/* max values for Precedence: field */
# define MAXMXHOSTS	20		/* max # of MX records */
# define SMTPLINELIM	990		/* maximum SMTP line length */
# define MAXKEY		128		/* maximum size of a database key */
# define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
# define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
# define MAXALIASDB	12		/* max # of alias databases */

# ifndef QUEUESIZE
# define QUEUESIZE	1000		/* max # of jobs per queue run */
# endif

/**********************************************************************
**  Compilation options.
**
**	#define these if they are available; comment them out otherwise.
**********************************************************************/

# define LOG		1	/* enable logging */
# define UGLYUUCP	1	/* output ugly UUCP From lines */
# define NETUNIX	1	/* include unix domain support */
# define NETINET	1	/* include internet support */
# define SETPROCTITLE	1	/* munge argv to display current status */
# define MATCHGECOS	1	/* match user names from gecos field */
# define XDEBUG		1	/* enable extended debugging */
# ifdef NEWDB
# define USERDB		1	/* look in user database (requires NEWDB) */
# endif

/**********************************************************************
**  0/1 Compilation options.
**	#define these to 1 if they are available;
**	#define them to 0 otherwise.
**********************************************************************/

# ifndef NAMED_BIND
#  define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
# endif

/*
**  Most systems have symbolic links today, so default them on.  You
**  can turn them off by #undef'ing this below.
*/

# define HASLSTAT	1	/* has lstat(2) call */

/*
**  General "standard C" defines.
**
**	These may be undone later, to cope with systems that claim to
**	be Standard C but aren't.  Gcc is the biggest offender -- it
**	doesn't realize that the library is part of the language.
**
**	Life would be much easier if we could get rid of this sort
**	of bozo problems.
*/

#ifdef __STDC__
# define HASSETVBUF	1	/* we have setvbuf(3) in libc */
#endif

/**********************************************************************
**  Operating system configuration.
**
**	Unless you are porting to a new OS, you shouldn't have to
**	change these.
**********************************************************************/

/*
**  Per-Operating System defines
*/


/*
**  HP-UX -- tested for 8.07, 9.00, and 9.01.
*/

# ifdef __hpux
/* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */
# undef m_flags
# define SYSTEM5	1	/* include all the System V defines */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASSETREUID	1	/* has setreuid(2) call */
# define setreuid(r, e)		setresuid(r, e, -1)
# define LA_TYPE	LA_FLOAT
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# define GIDSET_T	gid_t
# define _PATH_UNIX	"/hp-ux"
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
# ifndef HASGETUSERSHELL
#  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
# endif
# define syslog		hard_syslog
# ifdef __STDC__
extern int	syslog(int, char *, ...);
# endif
# endif


/*
**  IBM AIX 3.x -- actually tested for 3.2.3
*/

# ifdef _AIX3
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define FORK		fork	/* no vfork primitive available */
# undef  SETPROCTITLE		/* setproctitle confuses AIX */
# define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
# endif


/*
**  Silicon Graphics IRIX
**
**	Compiles on 4.0.1.
*/

# ifdef IRIX
# define SYSTEM5	1	/* this is a System-V derived system */
# define HASSETREUID	1	/* has setreuid(2) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define FORK		fork	/* no vfork primitive available */
# define WAITUNION	1	/* use "union wait" as wait argument type */
# define setpgid	BSDsetpgrp
# define GIDSET_T	gid_t
# define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
# define LA_TYPE	LA_INT
# endif


/*
**  SunOS and Solaris
**
**	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
**	Solaris 2.2 (a.k.a. SunOS 5.2).
*/

#if defined(sun) && !defined(BSD)

# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
# define LA_TYPE	LA_INT

# ifdef SOLARIS_2_3
#  define SOLARIS
# endif

# ifdef SOLARIS
			/* Solaris 2.x (a.k.a. SunOS 5.x) */
#  ifndef __svr4__
#   define __svr4__		/* use all System V Releae 4 defines below */
#  endif
#  include <sys/time.h>
#  define gethostbyname	solaris_gethostbyname	/* get working version */
#  define gethostbyaddr	solaris_gethostbyaddr	/* get working version */
#  define GIDSET_T	gid_t
#  ifndef _PATH_UNIX
#   define _PATH_UNIX	"/kernel/unix"
#  endif
#  ifndef _PATH_SENDMAILCF
#   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
#  endif
#  ifndef _PATH_SENDMAILPID
#   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
#  endif
#  ifndef SYSLOG_BUFSIZE
#   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
#  endif

# else
			/* SunOS 4.0.3 or 4.1.x */
#  define HASSETREUID	1	/* has setreuid(2) call */
#  ifndef HASFLOCK
#   define HASFLOCK	1	/* has flock(2) call */
#  endif
#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
#  include <vfork.h>

#  ifdef SUNOS403
			/* special tweaking for SunOS 4.0.3 */
#   include <malloc.h>
#   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
#   define WAITUNION	1	/* use "union wait" as wait argument type */
#   undef WIFEXITED
#   undef WEXITSTATUS
#   undef HASUNAME
#   define setpgid	setpgrp
typedef int		pid_t;
extern char		*getenv();

#  else
			/* 4.1.x specifics */
#   define HASSETSID	1	/* has Posix setsid(2) call */
#   define HASSETVBUF	1	/* we have setvbuf(3) in libc */

#  endif
# endif
#endif

/*
**  DG/UX
**
**	Tested on 5.4.2
*/

#ifdef	DGUX
# define SYSTEM5	1
# define LA_TYPE	LA_SUBR
# define HASSETREUID	1	/* has setreuid(2) call */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASSETSID	1	/* has Posix setsid(2) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) */
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
# undef SETPROCTITLE
# define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */

/* these include files must be included early on DG/UX */
# include <netinet/in.h>
# include <arpa/inet.h>

# define inet_addr	dgux_inet_addr
extern long	dgux_inet_addr();
#endif


/*
**  Digital Ultrix 4.2A or 4.3
**
**	Apparently, fcntl locking is broken on 4.2A, in that locks are
**	not dropped when the process exits.  This causes major problems,
**	so flock is the only alternative.
*/

#ifdef ultrix
# define HASSETREUID	1	/* has setreuid(2) call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASUNAME	1	/* use System V uname(2) system call */
# ifndef HASFLOCK
#  define HASFLOCK	1	/* has flock(2) call */
# endif
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
# ifdef vax
#  define LA_TYPE	LA_FLOAT
# else
#  define LA_TYPE	LA_INT
#  define LA_AVENRUN	"avenrun"
# endif
# define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
#endif


/*
**  OSF/1 (tested on Alpha)
*/

#ifdef __osf__
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASSETREUID	1	/* has setreuid(2) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# ifndef HASFLOCK
#  define HASFLOCK	1	/* has flock(2) call */
# endif
# define LA_TYPE	LA_INT
# define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
# endif
#endif


/*
**  NeXTstep
*/

#ifdef NeXT
# define HASINITGROUPS	1	/* has initgroups(3) call */
# ifndef HASFLOCK
#  define HASFLOCK	1	/* has flock(2) call */
# endif
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define WAITUNION	1	/* use "union wait" as wait argument type */
# define sleep		sleepX
# define setpgid	setpgrp
# ifndef LA_TYPE
#  define LA_TYPE	LA_MACH
# endif
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# ifndef _POSIX_SOURCE
typedef int		pid_t;
#  undef WEXITSTATUS
#  undef WIFEXITED
# endif
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
# endif
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
# endif
#endif


/*
**  4.4 BSD
**
**	See also BSD defines.
*/

#ifdef BSD4_4
# define HASUNSETENV	1	/* has unsetenv(3) call */
# include <sys/cdefs.h>
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
# ifndef LA_TYPE
#  define LA_TYPE	LA_SUBR
# endif
# define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
#endif


/*
**  BSD/386 (all versions)
**	From Tony Sanders, BSDI
*/