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deb-mbse/mbfido/postnetmail.c
Michiel Broek 36785de6e5 Memory leak fixes
2002-06-18 18:52:48 +00:00

448 lines
12 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose ...............: Post Netmail message from temp file
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* MBSE BBS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../lib/libs.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/common.h"
#include "../lib/records.h"
#include "../lib/dbcfg.h"
#include "../lib/dbuser.h"
#include "../lib/dbnode.h"
#include "../lib/dbftn.h"
#include "../lib/clcomm.h"
#include "tracker.h"
#include "addpkt.h"
#include "storenet.h"
#include "ftn2rfc.h"
#include "areamgr.h"
#include "filemgr.h"
#include "ping.h"
#include "bounce.h"
#include "postemail.h"
/*
* Global variables
*/
extern int net_in; /* Total netmails processed */
extern int net_out; /* Netmails exported */
extern int net_imp; /* Netmails imported */
extern int net_bad; /* Bad netmails */
extern int most_debug; /* Headvy debugging flag */
/*
* Post netmail message for temp file. The tempfile is an FTN style message.
*
* 0 - All seems well.
* 1 - Can't access messagebase.
* 2 - Can't find netmail board.
*
*/
int postnetmail(FILE *fp, faddr *f, faddr *t, char *orig, char *subject, time_t mdate, int flags, int DoPing)
{
char *p, *msgid = NULL, *reply = NULL, *flagstr = NULL;
char name[36], *buf, *l, *r, *q;
char System[36], ext[4];
int result = 1, email = FALSE, fmpt = 0, topt = 0;
faddr *ta, *ra;
fidoaddr na, routeto, Orig;
FILE *sfp, *net;
time_t now;
struct tm *tm;
Syslog('M', "Post netmail from: %s", ascfnode(f, 0xff));
Syslog('M', "Post netmail to : %s", ascfnode(t, 0xff));
Syslog('M', "Post netmail subj: %s", MBSE_SS(subject));
net_in++;
/*
* Extract MSGID and REPLY kludges from this netmail.
*/
buf = calloc(2048, sizeof(char));
rewind(fp);
while ((fgets(buf, 2048, fp)) != NULL) {
Striplf(buf);
Syslogp('M', printable(buf, 0));
if (!strncmp(buf, "\001MSGID: ", 8)) {
msgid = xstrcpy(buf + 8);
/*
* Extra test to see if the mail comes from a pointaddress.
*/
l = strtok(buf," \n");
l = strtok(NULL," \n");
if ((ta = parsefnode(l))) {
if (ta->zone == f->zone && ta->net == f->net && ta->node == f->node && !fmpt && ta->point) {
Syslog('m', "Setting pointinfo (%d) from MSGID", ta->point);
fmpt = f->point = ta->point;
}
tidy_faddr(ta);
}
}
if (!strncmp(buf, "\001FMPT", 5)) {
p = strtok(buf, " \n");
p = strtok(NULL, " \n");
fmpt = atoi(p);
}
if (!strncmp(buf, "\001TOPT", 5)) {
p = strtok(buf, " \n");
p = strtok(NULL, " \n");
topt = atoi(p);
}
if (!strncmp(buf, "\001REPLY: ", 8))
reply = xstrcpy(buf + 8);
/*
* Check DOMAIN and INTL kludges
*/
if (!strncmp(buf, "\001DOMAIN", 7)) {
l = strtok(buf," \n");
l = strtok(NULL," \n");
p = strtok(NULL," \n");
r = strtok(NULL," \n");
q = strtok(NULL," \n");
if ((ta = parsefnode(p))) {
t->point = ta->point;
t->node = ta->node;
t->net = ta->net;
t->zone = ta->zone;
tidy_faddr(ta);
}
t->domain = xstrcpy(l);
if ((ta = parsefnode(q))) {
f->point = ta->point;
f->node = ta->node;
f->net = ta->net;
f->zone = ta->zone;
tidy_faddr(ta);
}
f->domain = xstrcpy(r);
} else {
if (!strncmp(buf, "\001INTL", 5)) {
l = strtok(buf," \n");
l = strtok(NULL," \n");
r = strtok(NULL," \n");
if ((ta = parsefnode(l))) {
t->point = ta->point;
t->node = ta->node;
t->net = ta->net;
t->zone = ta->zone;
if (ta->domain) {
if (t->domain)
free(t->domain);
t->domain = ta->domain;
ta->domain = NULL;
}
tidy_faddr(ta);
}
if ((ta = parsefnode(r))) {
f->point = ta->point;
f->node = ta->node;
f->net = ta->net;
f->zone = ta->zone;
if (ta->domain) {
if (f->domain)
free(f->domain);
f->domain = ta->domain;
ta->domain = NULL;
}
tidy_faddr(ta);
}
}
}
/*
* Check FLAGS kludge
*/
if (!strncmp(buf, "\001FLAGS ", 7)) {
flagstr = xstrcpy(buf + 7);
Syslog('m', "^aFLAGS %s", flagstr);
}
if (!strncmp(buf, "\001FLAGS: ", 8)) {
flagstr = xstrcpy(buf + 8);
Syslog('m', "^aFLAGS: %s", flagstr);
}
/*
* Check for X-FTN- kludges, this could be gated email.
* This should be impossible.
*/
if (!strncmp(buf, "\001X-FTN-", 7)) {
email = TRUE;
Syslog('?', "Warning: detected ^aX-FTN- kludge in netmail");
}
}
free(buf);
/*
* Only set point info if there was any info.
* GoldED doesn't set FMPT and TOPT kludges.
*/
if (fmpt)
f->point = fmpt;
if (topt)
t->point = topt;
Syslog('m', "Final netmail from: %s", ascfnode(f, 0xff));
Syslog('m', "Final netmail to : %s", ascfnode(t, 0xff));
memset(&na, 0, sizeof(na));
na.zone = t->zone;
na.net = t->net;
na.node = t->node;
na.point = t->point;
if (SearchFidonet(na.zone))
sprintf(na.domain, "%s", fidonet.domain);
switch(TrackMail(na, &routeto)) {
case R_LOCAL:
/*
* Check the To: field.
*/
if (strchr(t->name, '@') != NULL) {
sprintf(name, "%s", strtok(t->name, "@"));
sprintf(System, "%s", strtok(NULL, "\000"));
email = TRUE;
} else {
sprintf(name, "%s", t->name);
sprintf(System, "%s", CFG.sysdomain);
}
if (email) {
/*
* Send this netmail via ftn2rfc -> postemail.
*/
most_debug = TRUE;
result = ftn2rfc(f, t, subject, orig, mdate, flags, fp);
most_debug = FALSE;
return result;
}
/*
* If message to "sysop" or "postmaster" replace it
* with the sysops real name.
*/
if ((strncasecmp(name, "sysop", 5) == 0) || (strcasecmp(name, "postmaster") == 0)) {
Syslog('+', " Readdress from %s to %s", name, CFG.sysop_name);
sprintf(name, "%s", CFG.sysop_name);
}
/*
* If the message is a service message, check the
* services database to see what action is needed.
* First make sure that the right noderecord is loaded.
*/
(void)noderecord(f);
p = calloc(PATH_MAX, sizeof(char));
sprintf(p, "%s/etc/service.data", getenv("MBSE_ROOT"));
if ((sfp = fopen(p, "r")) == NULL) {
WriteError("$Can't open %s", p);
} else {
fread(&servhdr, sizeof(servhdr), 1, sfp);
while (fread(&servrec, servhdr.recsize, 1, sfp) == 1) {
if ((strncasecmp(servrec.Service, name, strlen(servrec.Service)) == 0) && servrec.Active) {
switch (servrec.Action) {
case AREAMGR: result = AreaMgr(f, t, msgid, subject, mdate, flags, fp);
break;
case FILEMGR: result = FileMgr(f, t, msgid, subject, mdate, flags, fp);
break;
case EMAIL: most_debug = TRUE;
result = ftn2rfc(f, t, subject, orig, mdate, flags, fp);
most_debug = FALSE;
if (result) {
if (result == 2)
Bounce(f, t, fp, (char *)"Could not post email");
else
Bounce(f, t, fp, (char *)"Could not convert to email");
}
break;
}
Syslog('m', "Handled service %s, rc=%d", servrec.Service, result);
fclose(sfp);
return result;
}
}
fclose(sfp);
}
free(p);
/*
* Ping function
*/
if (!strcasecmp(name, (char *)"ping") && DoPing) {
return Ping(f, t, fp, FALSE);
}
/*
* Check userlist real names, handles, unix names.
* Import if one fits.
*/
if (SearchUser(name)) {
return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
}
Syslog('+', " \"%s\" is not a known BBS user", name);
/*
* Unknown, readdress it to the sysop.
*/
net_bad++;
Syslog('+', " Readdress from %s to %s", name, CFG.sysop_name);
sprintf(name, "%s", CFG.sysop_name);
if (SearchUser(name)) {
return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
} else {
WriteError("Readdress import failed, sysop doesn't exist. CHECK YOUR SETUP");
return 0;
}
break;
case R_DIRECT:
case R_ROUTE:
Syslog('+', "Route netmail via %s", aka2str(routeto));
if (!strcasecmp(t->name, (char *)"ping") && DoPing) {
Syslog('+', "In transit \"Ping\" message detected");
Ping(f, t, fp, TRUE);
(void)noderecord(f);
}
/*
* Forward this message. Will not work for unknown
* direct links.
*/
if (SearchNode(routeto)) {
memset(&Orig, 0, sizeof(Orig));
ra = fido2faddr(routeto);
ta = bestaka_s(ra);
Orig.zone = ta->zone;
Orig.net = ta->net;
Orig.node = ta->node;
Orig.point = ta->point;
tidy_faddr(ra);
tidy_faddr(ta);
memset(&ext, 0, sizeof(ext));
if (nodes.PackNetmail)
sprintf(ext, (char *)"qqq");
else if (nodes.Crash)
sprintf(ext, (char *)"ccc");
else if (nodes.Hold)
sprintf(ext, (char *)"hhh");
else
sprintf(ext, (char *)"nnn");
if ((net = OpenPkt(Orig , routeto, (char *)ext)) == NULL) {
net_bad++;
WriteError("Can't create netmail");
return 0;
}
} else {
/*
* If it's not a direct link, create a outbound
* .pkt anyway, better then that this mail is
* lost. It gets the normal status, it might
* get delivered during ZMH this way.
*/
Syslog('!', "Warning: not a direct link, check setup");
memset(&Orig, 0, sizeof(Orig));
ra = fido2faddr(routeto);
ta = bestaka_s(ra);
Orig.zone = ta->zone;
Orig.net = ta->net;
Orig.node = ta->node;
Orig.point = ta->point;
tidy_faddr(ra);
tidy_faddr(ta);
if ((net = OpenPkt(Orig , routeto, (char *)"nnn")) == NULL) {
net_bad++;
WriteError("Can't create netmail");
return 0;
}
}
/*
* Now start forward.
*/
Syslog('m', "Net from %s", ascfnode(f, 0xff));
Syslog('m', "Net to %s", ascfnode(t, 0xff));
Syslog('m', "Net flags %08x", flags);
Syslog('m', "Net subj %s", subject);
if (AddMsgHdr(net, f, t, flags, 0, mdate, t->name, f->name, subject)) {
WriteError("Can't write message header");
net_bad++;
return 0;
}
rewind(fp);
/*
* Copy all text including kludges, when
* finished, insert our ^aVia line.
*/
buf = calloc(2048, sizeof(char));
while ((fgets(buf, 2048, fp)) != NULL)
fprintf(net, "%s\r", buf);
now = time(NULL);
tm = gmtime(&now);
ta = bestaka_s(t);
fprintf(net, "\001Via %s @%d%02d%02d.%02d%02d%02d.00.UTC mbfido %s\r",
ascfnode(ta, 0x1f), tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec, VERSION);
tidy_faddr(ta);
putc(0, net);
fclose(net);
free(buf);
net_out++;
Syslog('m', "Forward done.");
return 0;
default:
/*
* If we came this far, there's definitly something wrong
* with this netmail.
*/
WriteError("No ROUTE for this netmail");
net_bad++;
flags |= M_ORPHAN;
return storenet(f, t, mdate, flags, subject, msgid, reply, fp, flagstr);
break;
}
/* Never reached */
return result;
}
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