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filter.h
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C/C++ Source or Header
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1993-09-26
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6KB
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202 lines
/* $Id: filter.h,v 4.1 90/04/28 22:42:09 syd Exp $ */
/*******************************************************************************
* The Elm Mail System - $Revision: 4.1 $ $State: Exp $
*
* Copyright (c) 1986, 1987 Dave Taylor
* Copyright (c) 1988, 1989, 1990 USENET Community Trust
*******************************************************************************
* Bug reports, patches, comments, suggestions should be sent to:
*
* Syd Weinstein, Elm Coordinator
* elm@DSI.COM dsinc!elm
*
*******************************************************************************
* $Log: filter.h,v $
* Revision 4.1 90/04/28 22:42:09 syd
* checkin of Elm 2.3 as of Release PL0
*
*
******************************************************************************/
/** Headers for the filter program.
**/
#ifdef BSD
# undef tolower
#endif
/** define a few handy macros for later use... **/
#define the_same(a,b) (strncmp(a,b,strlen(b)) == 0)
#define relationname(x) (x == 1?"<=":x==2?"<":x==3?">=":x==4?">":x==5?"!=":"=")
#define quoteit(x) (x == LINES? "" : "\"")
#define remove_return(s) { if (s[strlen(s)-1] == '\n') \
s[strlen(s)-1] = '\0'; \
}
/** some of the files we'll be using, where they are, and so on... **/
#define filter_temp "filter"
#define filterfile "elm/filter.rul"
#define filterlog "elm/filter.log"
#define filtersum "elm/filter.sum"
#define EMERGENCY_MAILBOX "emergenc.mbx"
#define EMERG_MBOX "emerg.mbx"
/** and now the hardwired constraint of the program.. **/
#define MAXRULES 25 /* can't have more den dis, boss! */
/** some random defines for mnemonic stuff in the program... **/
#ifdef SUBJECT
# undef SUBJECT
#endif
#define TO 1
#define FROM 2
#define LINES 3
#define SUBJECT 4
#define CONTAINS 5
#define ALWAYS 6
#define DELETE_MSG 7
#define SAVE 8
#define SAVECC 9
#define FORWARD 10
#define LEAVE 11
#define EXEC 12
#define FAILED_SAVE 20
/** Some conditionals... **/
#define LE 1
#define LT 2
#define GE 3
#define GT 4
#define NE 5
#define EQ 6
/** A funky way to open a file using open() to avoid file locking hassles **/
#define FOLDERMODE O_WRONLY | O_APPEND | O_CREAT
/** cheap but easy way to have two files share the same #include file **/
#ifdef MAIN_ROUTINE
char home[SLEN], /* the users home directory */
hostname[SLEN], /* the machine name... */
username[SLEN]; /* the users login name... */
char hostfromname[SLEN]; /* name of FQDN we pretend to be in */
char to[VERY_LONG_STRING],
from[LONG_STRING],
subject[LONG_STRING]; /* from current message */
FILE *outfd;
char outfname[SLEN];
int total_rules = 0, /* how many rules to check */
show_only = FALSE, /* just for show? */
long_summary = FALSE, /* what sorta summary?? */
verbose = FALSE, /* spit out lots of stuff */
lines = 0, /* lines in message.. */
clear_logs = FALSE, /* clear files after sum? */
already_been_forwarded = FALSE, /* has this been filtered? */
log_actions_only = FALSE, /* log actions | everything */
printing_rules = FALSE, /* are we just using '-r'? */
rule_choosen; /* which one we choose */
#else
extern char home[SLEN], /* the users home directory */
hostname[SLEN], /* the machine name... */
username[SLEN]; /* the users login name... */
extern char hostfromname[SLEN]; /* name of FQDN we pretend to be in */
extern char to[VERY_LONG_STRING],
from[LONG_STRING],
subject[LONG_STRING]; /* from current message */
extern FILE *outfd;
extern char outfname[SLEN];
extern int total_rules, /* how many rules to check */
show_only, /* just for show? */
long_summary, /* what sorta summary?? */
verbose, /* spit out lots of stuff */
lines, /* lines in message.. */
clear_logs, /* clear files after sum? */
already_been_forwarded, /* has this been filtered? */
log_actions_only, /* log actions | everything */
printing_rules, /* are we just using '-r'? */
rule_choosen; /* which one we choose */
#endif
/** and our ruleset record structure... **/
struct condition_rec {
int matchwhat; /* type of 'if' clause */
int relation; /* type of match (eq, etc) */
char argument1[SLEN]; /* match against this */
struct condition_rec *next; /* next condition... */
};
struct ruleset_record {
char printable[SLEN]; /* straight from file... */
struct condition_rec *condition;
int action; /* what action to take */
char argument2[SLEN]; /* argument for action */
};
#ifdef MAIN_ROUTINE
struct ruleset_record rules[MAXRULES];
#else
extern struct ruleset_record rules[MAXRULES];
#endif
/** finally let's keep LINT happy with the return values of all these pups! ***/
char *itoa();
#ifdef _POSIX_SOURCE /*{_POSIX_SOURCE*/
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#else /*}_POSIX_SOURCE{*/
unsigned short getuid();
unsigned long sleep();
char *malloc(), *strcpy(), *strcat();
void exit();
#ifdef BSD
FILE *popen();
#ifdef MAIN_ROUTINE
char _vbuf[5*BUFSIZ]; /* space for file buffering */
#else
extern char _vbuf[5*BUFSIZ]; /* space for file buffering */
#endif
#ifndef _IOFBF
# define _IOFBF 0 /* doesn't matter - ignored */
#endif
# define setvbuf(fd,a,b,c) setbuffer(fd, _vbuf, 5*BUFSIZ)
#endif
#endif /*}_POSIX_SOURCE*/