470 lines
13 KiB
C
470 lines
13 KiB
C
/*****************************************************************************
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*
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* $Id: postnetmail.c,v 1.21 2005/08/28 14:10:06 mbse Exp $
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* Purpose ...............: Post Netmail message from temp file
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*
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*****************************************************************************
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* Copyright (C) 1997-2005
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "../lib/users.h"
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#include "../lib/mbsedb.h"
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#include "../lib/msg.h"
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#include "tracker.h"
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#include "addpkt.h"
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#include "storenet.h"
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#include "ftn2rfc.h"
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#include "areamgr.h"
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#include "filemgr.h"
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#include "ping.h"
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#include "bounce.h"
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#include "postemail.h"
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/*
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* Global variables
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*/
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extern int net_in; /* Total netmails processed */
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extern int net_out; /* Netmails exported */
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extern int net_imp; /* Netmails imported */
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extern int net_bad; /* Bad netmails */
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/*
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* Post netmail message for temp file. The tempfile is an FTN style message.
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*
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* 0 - All seems well.
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* 1 - Can't access messagebase.
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* 2 - Can't find netmail board.
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*
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*/
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int postnetmail(FILE *fp, faddr *f, faddr *t, char *orig, char *subject, time_t mdate,
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int flags, int DoPing, unsigned int fzone, unsigned int tzone)
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{
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char *p, *msgid = NULL, *reply = NULL, *flagstr = NULL;
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char name[37], *buf, *l, *r, *q, System[37], ext[4];
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int result = 1, email = FALSE, fmpt = 0, topt = 0;
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faddr *ta, *ra;
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fidoaddr na, routeto, Orig;
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FILE *sfp, *net;
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time_t now;
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struct tm *tm;
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Syslog('m', "Post netmail from: %s", ascfnode(f, 0xff));
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Syslog('m', "Post netmail to : %s", ascfnode(t, 0xff));
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Syslog('m', "Post netmail subj: %s", MBSE_SS(subject));
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net_in++;
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/*
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* Extract MSGID and REPLY kludges from this netmail.
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*/
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buf = calloc(MAX_LINE_LENGTH +1, sizeof(char));
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rewind(fp);
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while ((fgets(buf, MAX_LINE_LENGTH, fp)) != NULL) {
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Striplf(buf);
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Syslogp('M', printable(buf, 0));
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if (!strncmp(buf, "\001MSGID: ", 8)) {
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msgid = xstrcpy(buf + 8);
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/*
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* Extra test to see if the mail comes from a pointaddress.
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*/
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l = strtok(buf," \n");
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l = strtok(NULL," \n");
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if ((ta = parsefnode(l))) {
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if (ta->net == f->net && ta->node == f->node && !fmpt && ta->point) {
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Syslog('m', "Setting pointinfo (%d) from MSGID", ta->point);
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fmpt = f->point = ta->point;
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}
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if ((ta->net == f->net) && (ta->node == f->node) && (f->zone == 0)) {
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/*
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* Missing zone info, maybe later we will see a INTL kludge or so, but for
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* now, just in case we fix it. And we need that for some Aka collecting
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* sysop who doesn't know how to configure his system right.
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*/
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Syslog('m', "No from zone set, setting zone %d from MSGID", ta->zone);
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f->zone = ta->zone;
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/*
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* 99.9 % chance that the destination zone is also missing.
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*/
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if (t->zone == 0) {
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t->zone = ta->zone;
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Syslog('m', "No dest zone set, setting zone %d from MSGID", ta->zone);
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}
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}
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tidy_faddr(ta);
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}
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if (msgid)
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free(msgid);
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msgid = NULL;
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}
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if (!strncmp(buf, "\001FMPT", 5)) {
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p = strtok(buf, " \n");
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p = strtok(NULL, " \n");
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fmpt = atoi(p);
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}
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if (!strncmp(buf, "\001TOPT", 5)) {
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p = strtok(buf, " \n");
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p = strtok(NULL, " \n");
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topt = atoi(p);
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}
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if (!strncmp(buf, "\001REPLY: ", 8))
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reply = xstrcpy(buf + 8);
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/*
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* Check DOMAIN and INTL kludges
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*/
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if (!strncmp(buf, "\001DOMAIN", 7)) {
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l = strtok(buf," \n");
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l = strtok(NULL," \n");
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p = strtok(NULL," \n");
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r = strtok(NULL," \n");
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q = strtok(NULL," \n");
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if ((ta = parsefnode(p))) {
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t->point = ta->point;
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t->node = ta->node;
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t->net = ta->net;
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t->zone = ta->zone;
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tidy_faddr(ta);
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}
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t->domain = xstrcpy(l);
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if ((ta = parsefnode(q))) {
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f->point = ta->point;
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f->node = ta->node;
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f->net = ta->net;
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f->zone = ta->zone;
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tidy_faddr(ta);
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}
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f->domain = xstrcpy(r);
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} else {
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if (!strncmp(buf, "\001INTL", 5)) {
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l = strtok(buf," \n");
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l = strtok(NULL," \n");
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r = strtok(NULL," \n");
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if ((ta = parsefnode(l))) {
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t->point = ta->point;
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t->node = ta->node;
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t->net = ta->net;
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t->zone = ta->zone;
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if (ta->domain) {
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if (t->domain)
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free(t->domain);
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t->domain = ta->domain;
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ta->domain = NULL;
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}
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tidy_faddr(ta);
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}
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if ((ta = parsefnode(r))) {
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f->point = ta->point;
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f->node = ta->node;
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f->net = ta->net;
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f->zone = ta->zone;
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if (ta->domain) {
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if (f->domain)
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free(f->domain);
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f->domain = ta->domain;
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ta->domain = NULL;
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}
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tidy_faddr(ta);
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}
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}
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}
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/*
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* Check FLAGS kludge
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*/
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if (!strncmp(buf, "\001FLAGS ", 7)) {
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flagstr = xstrcpy(buf + 7);
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Syslog('m', "^aFLAGS %s", flagstr);
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}
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if (!strncmp(buf, "\001FLAGS: ", 8)) {
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flagstr = xstrcpy(buf + 8);
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Syslog('m', "^aFLAGS: %s", flagstr);
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}
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/*
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* Check for X-FTN- kludges, this could be gated email.
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* This should be impossible.
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*/
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if (!strncmp(buf, "\001X-FTN-", 7)) {
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email = TRUE;
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Syslog('?', "Warning: detected ^aX-FTN- kludge in netmail");
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}
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}
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free(buf);
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/*
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* Only set point info if there was any info.
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* GoldED doesn't set FMPT and TOPT kludges.
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*/
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if (fmpt)
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f->point = fmpt;
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if (topt)
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t->point = topt;
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/*
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* If zone info is still missing, set the defaults which came from the
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* original mail packet addressing.
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*/
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if (fzone && (f->zone == 0))
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f->zone = fzone;
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if (tzone && (t->zone == 0))
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t->zone = tzone;
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l = xstrcpy(ascfnode(f, 0xff));
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r = xstrcpy(ascfnode(t, 0xff));
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Syslog('+', "Netmail from \"%s\" to \"%s\"", l, r);
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free(l);
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free(r);
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memset(&na, 0, sizeof(na));
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na.zone = t->zone;
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na.net = t->net;
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na.node = t->node;
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na.point = t->point;
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if (SearchFidonet(na.zone))
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snprintf(na.domain, 13, "%s", fidonet.domain);
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switch(TrackMail(na, &routeto)) {
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case R_LOCAL:
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/*
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* Check the To: field.
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*/
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if (strchr(t->name, '@') != NULL) {
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snprintf(name, 36, "%s", strtok(t->name, "@"));
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snprintf(System, 36, "%s", strtok(NULL, "\000"));
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email = TRUE;
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} else {
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snprintf(name, 36, "%s", t->name);
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snprintf(System, 36, "%s", CFG.sysdomain);
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}
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if (email) {
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/*
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* Send this netmail via ftn2rfc -> postemail.
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*/
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return result = ftn2rfc(f, t, subject, orig, mdate, flags, fp);
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}
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/*
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* If message to "sysop" or "postmaster" replace it
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* with the sysops real name.
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*/
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if ((strncasecmp(name, "sysop", 5) == 0) ||
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(strcasecmp(name, "postmaster") == 0) ||
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(strcasecmp(name, "coordinator") == 0)) {
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Syslog('+', " Readdress from %s to %s", name, CFG.sysop_name);
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snprintf(name, 36, "%s", CFG.sysop_name);
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}
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/*
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* If the message is a service message, check the
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* services database to see what action is needed.
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* First make sure that the right noderecord is loaded.
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*/
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(void)noderecord(f);
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p = calloc(PATH_MAX, sizeof(char));
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snprintf(p, PATH_MAX, "%s/etc/service.data", getenv("MBSE_ROOT"));
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if ((sfp = fopen(p, "r")) == NULL) {
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WriteError("$Can't open %s", p);
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} else {
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fread(&servhdr, sizeof(servhdr), 1, sfp);
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while (fread(&servrec, servhdr.recsize, 1, sfp) == 1) {
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if ((strncasecmp(servrec.Service, name, strlen(servrec.Service)) == 0) && servrec.Active) {
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switch (servrec.Action) {
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case AREAMGR: result = AreaMgr(f, t, msgid, subject, mdate, flags, fp);
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break;
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case FILEMGR: result = FileMgr(f, t, msgid, subject, mdate, flags, fp);
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break;
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case EMAIL: result = ftn2rfc(f, t, subject, orig, mdate, flags, fp);
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if (result) {
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if (result == 2)
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Bounce(f, t, fp, (char *)"Could not post email");
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else
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Bounce(f, t, fp, (char *)"Could not convert to email");
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}
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break;
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}
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Syslog('m', "Handled service %s, rc=%d", servrec.Service, result);
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fclose(sfp);
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return result;
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}
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}
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fclose(sfp);
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}
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free(p);
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/*
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* Ping function
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*/
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if (!strcasecmp(name, (char *)"ping") && DoPing) {
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return Ping(f, t, fp, FALSE);
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}
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/*
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* Check userlist real names, handles, unix names.
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* Import if one fits.
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*/
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if (SearchUser(name)) {
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return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
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}
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Syslog('+', " \"%s\" is not a known BBS user", name);
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/*
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* Unknown, readdress it to the sysop.
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*/
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net_bad++;
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Syslog('+', " Readdress from %s to %s", name, CFG.sysop_name);
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snprintf(name, 36, "%s", CFG.sysop_name);
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if (SearchUser(name)) {
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return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
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} else {
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WriteError("Readdress import failed, sysop doesn't exist. CHECK YOUR SETUP");
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return 0;
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}
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break;
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case R_DIRECT:
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case R_ROUTE:
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Syslog('+', "Route netmail via %s", aka2str(routeto));
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if (!strcasecmp(t->name, (char *)"ping") && DoPing) {
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Syslog('+', "In transit \"Ping\" message detected");
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Ping(f, t, fp, TRUE);
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(void)noderecord(f);
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}
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/*
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* Forward this message. Will not work for unknown
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* direct links.
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*/
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if (SearchNode(routeto)) {
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memset(&Orig, 0, sizeof(Orig));
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ra = fido2faddr(routeto);
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ta = bestaka_s(ra);
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Orig.zone = ta->zone;
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Orig.net = ta->net;
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Orig.node = ta->node;
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Orig.point = ta->point;
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tidy_faddr(ra);
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tidy_faddr(ta);
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memset(&ext, 0, sizeof(ext));
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if (nodes.PackNetmail)
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snprintf(ext, 4, (char *)"qqq");
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else if (nodes.Crash)
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snprintf(ext, 4, (char *)"ccc");
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else if (nodes.Hold)
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snprintf(ext, 4, (char *)"hhh");
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else
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snprintf(ext, 4, (char *)"nnn");
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if ((net = OpenPkt(Orig , routeto, (char *)ext)) == NULL) {
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net_bad++;
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WriteError("Can't create netmail");
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return 0;
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}
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} else {
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/*
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* If it's not a direct link, create a outbound
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* .pkt anyway, better then that this mail is
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* lost. It gets the normal status, it might
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* get delivered during ZMH this way.
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*/
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Syslog('!', "Warning: not a direct link, check setup");
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memset(&Orig, 0, sizeof(Orig));
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ra = fido2faddr(routeto);
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ta = bestaka_s(ra);
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Orig.zone = ta->zone;
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Orig.net = ta->net;
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Orig.node = ta->node;
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Orig.point = ta->point;
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tidy_faddr(ra);
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tidy_faddr(ta);
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if ((net = OpenPkt(Orig , routeto, (char *)"nnn")) == NULL) {
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net_bad++;
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WriteError("Can't create netmail");
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return 0;
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}
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}
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/*
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* Now start forward.
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*/
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Syslog('m', "Net from %s", ascfnode(f, 0xff));
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Syslog('m', "Net to %s", ascfnode(t, 0xff));
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Syslog('m', "Net flags %08x", flags);
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Syslog('m', "Net subj %s", subject);
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if (AddMsgHdr(net, f, t, flags, 0, mdate, t->name, f->name, subject)) {
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WriteError("Can't write message header");
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net_bad++;
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return 0;
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}
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rewind(fp);
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/*
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* Copy all text including kludges, when
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* finished, insert our ^aVia line.
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*/
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buf = calloc(MAX_LINE_LENGTH +1, sizeof(char));
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while ((fgets(buf, MAX_LINE_LENGTH, fp)) != NULL)
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fprintf(net, "%s\r", buf);
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now = time(NULL);
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tm = gmtime(&now);
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ta = bestaka_s(t);
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fprintf(net, "\001Via %s @%d%02d%02d.%02d%02d%02d.UTC mbfido %s\r",
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ascfnode(ta, 0x1f), tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec, VERSION);
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tidy_faddr(ta);
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putc(0, net);
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fclose(net);
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free(buf);
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net_out++;
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Syslog('m', "Forward done.");
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return 0;
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default:
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/*
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* If we came this far, there's definitly something wrong
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* with this netmail.
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*/
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WriteError("No ROUTE for this netmail");
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net_bad++;
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flags |= M_ORPHAN;
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return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
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break;
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}
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/* Never reached */
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return result;
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}
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