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- /*
- **
- ** 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();
-