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DEFS.H
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C/C++ Source or Header
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1989-05-11
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10KB
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327 lines
/*
**
** Defs.h: header file for rmail/smail.
**
** Configuration options for rmail/smail.
** default configuration is:
** full domain name is 'hostname.uucp' (get registered!)
** path file is /usr/lib/uucp/paths.
** no log, no record, use sendmail.
**
** You can change these in the next few blocks.
**
*/
/*
** @(#)defs.h 2.5 (smail) 9/15/87
*/
#ifndef VERSION
#define VERSION "smail2.5"
#endif
/*#define BSD /* if system is a Berkeley system */
/*#define SENDMAIL "/usr/lib/mail/execmail" /* Turn off to use /bin/(l)mail only */
#ifdef BSD
#define GETHOSTNAME /* use gethostname() */
#else
#define UNAME /* use uname() */
#endif
/* if defined, HOSTNAME overrides UNAME and GETHOSTNAME */
#define HOSTNAME "crdos1" /* literal name */
/*#define HOSTDOMAIN "host.dom" /* overrides default HOSTNAME.MYDOM */
/*
* .UUCP here is just for testing, GET REGISTERED in COM, EDU, etc.
* See INFO.REGISTRY for details.
*/
#define MYDOM ".crd.GE.COM" /* literal domain suffix */
/*
* WARNING: DOMGATE is only for qualified gateways - use caution.
* If you don't fully understand it - don't use it!
* If you are not completely sure you need it - don't use it!
* If you are not prepared to handle all addresses to MYDOM - don't use it!
*
* if defined, DOMGATE (DOMain GATEway) will cause addresses of the form
*
* user@MYDOM or MYDOM!user
*
* (with and without the leading '.' on MYDOM)
* to be seen treated simply 'user' - a purely local address.
* Then, it is left to the aliasing code to map it back to a
* non-local address if necessary.
*/
/*#define DOMGATE /* Act as Domain Gateway */
/*
* HIDDENHOSTS allows hosts that serve as domain gateways to hide
* the subdomains beneath them. Mail that originates at any of
* the hosts in the subdomain will appear to come from the gateway host.
* Hence, mail from
*
* anything.hostdomain!user
*
* will appear to come from
*
* hostdomain!user
*
* A consequence is that return mail to hostdomain!user would need to
* be forwarded to the proper subdomain via aliases or other forwarding
* facilities.
*
* If you're using sendmail, then if defined here,
* it should be used in ruleset 4 of the sendmail.cf, too.
*/
/*#define HIDDENHOSTS /* hide subdomains of hostdomain */
/*
* Mail that would otherwise be undeliverable will be passed to the
* aliased SMARTHOST for potential delivery.
*
* Be sure that the host you specify in your pathalias input knows that you're
* using it as a relay, or you might upset somebody when they find out some
* other way. If you're using 'foovax' as your relay, and below you have
* #define SMARTHOST "smart-host", then the pathalias alias would be:
*
* smart-host = foovax
*/
#define SMARTHOST "crdgw1" /* pathalias alias for relay host */
/*
** ALIAS and CASEALIAS are used only if SENDMAIL is NOT defined.
** Sites using sendmail have to let sendmail do the aliasing.
** LOWERLOGNAME maps all local login names into lower case. This
** helps sites who have only upper case send mail to mixed case sites.
*/
#define ALIAS "/usr/lib/mail/aliases" /* location of mail aliases */
/*#define CASEALIAS /* make aliases case sensitive */
/*#define LOWERLOGNAME /* map local logins to lower case */
/*
* defining FULLNAME means that Full Name resolution
* will be attempted when necessary.
*
* the Full Name information will be taken from a
* list of {Full Name, address} pairs.
* The names in the list must be sorted
* without regard to upper/lower case.
*
* defining DOT_REQD says that the user name must contain a '.' for
* the Full Name search to be done.
*
* All full name searches are case insensitive.
*
*/
/*#define FULLNAME "/usr/lib/fullnames"
/* list of Full Name, address pairs */
/*#define DOT_REQD /* Must be George.P.Burdell@gatech.EDU
** not just Burdell@gatech.EDU
*/
/*
** PATHS is name of pathalias file. This is mandatory.
** Define LOG if you want a log of mail. This can be handy for
** debugging and traffic analysis.
** Define RECORD for a copy of all mail. This uses much time and
** space and is only used for extreme debugging cases.
*/
#ifndef PATHS
#define PATHS "/usr/lib/uucp/paths" /* location of the path database */
#endif
#define LOG "/usr/spool/uucp/mail.log" /* log of uucp mail */
/*#define RECORD "/tmp/mail.log" /* record of uucp mail */
/*
** Mailer options:
** RMAIL is the command to invoke rmail on machine sys.
** RARG is how to insulate metacharacters from RMAIL.
** LMAIL is the command to invoke the local mail transfer agent.
** LARG is how to insulate metacharacters from LMAIL.
** RLARG is LARG with host! on the front - to pass a uux addr to sendmail.
** SENDMAIL selects one of two sets of defines below for either
** using sendmail or /bin/lmail.
*/
#ifndef UUX
#define UUX "/usr/lib/mail/execmail" /* location of uux command */
#endif
#ifndef SMAIL
#define SMAIL "/bin/smail" /* location of smail command */
#endif
/*
** command used to retry failed mail, flag is used to set the routing level.
*/
#define VFLAG ((debug == VERBOSE)?"-v":"")
#define RETRY(flag) "%s %s %s -f %s ", SMAIL, VFLAG, flag, spoolfile
/*
** use the -a if you have it. This sometimes helps failed mail and warning
** messages get back to where the mail originated.
**
** some versions of uux can't do '-a' - pick one of the next two definitions
*/
#if 0
#define RMAIL(flags,from,sys) "%s -a%s %s - %s!rmail",UUX,from,flags,sys /* */
/*#define RMAIL(flags,from,sys) "%s %s - %s!rmail",UUX,flags,sys /* */
#else
#define RMAIL(flags,from,sys) "%s -r %s",UUX,from /* */
#endif
#define RARG(sys,user) " '%s!%s'",sys,user
#define RFROM(frm,now,host) "From %s %.24s remote from %s\n",frm,now,host
#ifdef SENDMAIL
#define HANDLE ALL /* see HANDLE definition below */
#define ROUTING ALL /* see ROUTING definition below */
#define LMAIL(frm,sys) "%s -f %s ",SENDMAIL,frm
#define LARG(user) " '%s'",postmaster(user)
#define RLARG(sys,frm) " '%s!%s'",sys,frm
#else
#define HANDLE ALL
#define ROUTING ALL
#ifdef BSD
#define LMAIL(frm,sys) "/bin/mail" /* BSD local delivery agent */
#else
#define LMAIL(frm,sys) "/bin/lmail" /* SV local delivery agent */
#endif
#define LARG(user) " '%s'",postmaster(user)
#define RLARG(sys,frm) " '%s!%s'",sys,frm
#define LFROM(frm,now,host) "From %s %.24s\n",frm,now
#endif
/*
** The following definitions affect the queueing algorithm for uux.
**
** DEFQUEUE if defined the default is to queue uux mail
**
** QUEUECOST remote mail with a cost of less than QUEUECOST
** will be handed to uux for immediate delivery.
**
** MAXNOQUEUE don't allow more than 'n' immediate delivery
** jobs to be started on a single invocation of smail.
**
** GETCOST if defined, the paths file will be searched for
** each address to discover the cost of the route.
** this allows informed decisions about whether to
** use the queue flags when calling uux. The price
** is in the overhead of a paths file search for
** addresses that are not going to be routed.
*/
#define DEFQUEUE /* default is to queue uux jobs */
#define QUEUECOST 100 /* deliver immediately if the cost
/* is DEDICATED+LOW or better */
#define MAXNOQUEUE 2 /* max UUX_NOQUEUE jobs */
#define GETCOST /* search for cost */
#define UUX_QUEUE "-r" /* uux flag for queueing */
#define UUX_NOQUEUE "" /* uux with immediate delivery */
/*
** Normally, all mail destined for the local host is delivered with a single
** call to the local mailer, and all remote mail is delivered with one call
** to the remote mailer for each remote host. This kind of 'batching' saves
** on the cpu overhead.
**
** MAXCLEN is used to limit the length of commands that are exec'd by smail.
** This is done to keep other program's buffers from overflowing, or to
** allow for less intelligent commands which can take only one argument
** at a time (e.g., 4.1 /bin/mail). To disable the batching, set MAXCLEN
** a small value (like 0).
*/
#define MAXCLEN 128 /* longest command allowed (approx.)
/* this is to keep other's buffers
** from overflowing
*/
/*
** PLEASE DON'T TOUCH THE REST
*/
#define SMLBUF 512 /* small buffer (handle one item) */
#define BIGBUF 4096 /* handle lots of items */
#define MAXPATH 32 /* number of elements in ! path */
#define MAXDOMS 16 /* number of subdomains in . domain */
#define MAXARGS 500 /* number of arguments */
#ifndef NULL
#define NULL 0
#endif
#define DEBUG if (debug==YES) (void) printf
#define ADVISE if (debug!=NO) (void) printf
#define error(stat,msg,a) { (void) fprintf(stderr, msg, a); exit(stat); }
#define lower(c) ( isupper(c) ? c-'A'+'a' : c )
enum eform { /* format of addresses */
ERROR, /* bad or invalidated format */
LOCAL, /* just a local name */
DOMAIN, /* user@domain or domain!user */
UUCP, /* host!address */
ROUTE, /* intermediate form - to be routed */
SENT /* sent to a mailer on a previous pass */
};
enum ehandle { /* what addresses can we handle? (don't kick to LMAIL) */
ALL, /* UUCP and DOMAIN addresses */
JUSTUUCP, /* UUCP only; set by -l */
NONE /* all mail is LOCAL; set by -L */
};
enum erouting { /* when to route A!B!C!D */
JUSTDOMAIN, /* route A if A is a domain */
ALWAYS, /* route A always; set by -r */
REROUTE /* route C, B, or A (whichever works); set by -R */
};
enum edebug { /* debug modes */
NO, /* normal deliver */
VERBOSE, /* talk alot */
YES /* talk and don't deliver */
};
#ifdef BSD
#include <strings.h>
#include <sysexits.h>
#else
#include <string.h>
#include "sysexits.h"
#define index strchr
#define rindex strrchr
#endif
extern void exit(), perror();
extern unsigned sleep();