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c8f93b2ac5
deb-mbse/mbfido/rfc2ftn.c
Michiel Broek 1c8e9f2769 Made some bug fixes final
2002-10-18 18:23:35 +00:00

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/*****************************************************************************
*
* $Id$
* Purpose ...............: Convert RFC to FTN
*
*****************************************************************************
* 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 "../config.h"
#include "../lib/libs.h"
#include "../lib/memwatch.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "../lib/mbinet.h"
#include "../lib/dbdupe.h"
#include "../lib/dbnode.h"
#include "../lib/dbmsgs.h"
#include "../lib/msg.h"
#include "../lib/msgtext.h"
#include "mkftnhdr.h"
#include "hash.h"
#include "rollover.h"
#include "postnetmail.h"
#include "postecho.h"
#include "msgflags.h"
#include "rfc2ftn.h"
#define MAXHDRSIZE 2048
#define MAXSEEN 70
#define MAXPATH 73
/*
* Global variables
*/
static int ftnorigin;
static int removemime;
static int removemsgid;
static int removeref;
static int removeinreply;
static int removesupersedes;
static int removeapproved;
static int removereplyto;
static int removereturnto;
static int dirtyoutcode = CHRS_NOTSET;
/*
* External variables
*/
extern int do_quiet;
extern int do_learn;
extern int news_in;
extern int email_in;
extern char *replyaddr;
/*
* Internal functions
*/
int needputrfc(rfcmsg *);
int charwrite(char *, FILE *);
int charwrite(char *s, FILE *fp)
{
if ((strlen(s) >= 3) && (strncmp(s,"---",3) == 0) && (s[3] != '-')) {
putc('-',fp);
putc(' ',fp);
}
while (*s) {
putc(*s, fp);
s++;
}
return 0;
}
/*
* write (multiline) header to kluge: change \n to ' ' and end line with \n
*/
int kludgewrite(char *, FILE *);
int kludgewrite(char *s, FILE *fp)
{
while (*s) {
if (*s == '\r')
putc('\n', fp);
else {
if (*s != '\n')
putc(*s, fp);
else if (*(s+1))
putc(' ',fp);
}
s++;
}
putc('\n',fp);
return 0;
}
/*
* Input a RFC message.
*/
int rfc2ftn(FILE *fp, faddr *recipient)
{
char sbe[16], *p, *q, *temp, *origin;
int i, rc, incode, outcode, pgpsigned, newsmode;
int seenlen, oldnet;
rfcmsg *msg = NULL, *tmsg, *tmp;
ftnmsg *fmsg = NULL;
FILE *ofp;
fa_list *sbl = NULL, *ptl = NULL, *tmpl;
faddr *ta, *fta;
unsigned long svmsgid, svreply;
int sot_kludge = FALSE, eot_kludge = FALSE, qp_or_base64 = FALSE, tinyorigin = FALSE;
int needsplit, hdrsize, datasize, splitpart, forbidsplit, rfcheaders;
char newsubj[4 * (MAXSUBJ+1)], *oldsubj, *acup_a = NULL;
unsigned long acup_n = 0;
int html_message = FALSE;
time_t Now;
temp = calloc(4096, sizeof(char));
Syslog('m', "Entering rfc2ftn");
if (recipient)
Syslog('m', "Recipient: %s", ascfnode(recipient, 0xff));
rewind(fp);
// Syslog('m', "========== RFC Start");
// while ((fgets(temp, 4095, fp)) != NULL) {
// Syslogp('m', printable(temp, 0));
// }
// Syslog('m', "========== RFC end");
// rewind(fp);
msg = parsrfc(fp);
incode = outcode = CHRS_NOTSET;
pgpsigned = FALSE;
newsmode = hdr((char *)"Newsgroups", msg) ?TRUE:FALSE;
Syslog('m', "RFC message is %s", newsmode ? "news article":"e-mail message");
if (newsmode)
news_in++;
else
email_in++;
p = hdr((char *)"Content-Type",msg);
if (p)
incode = readcharset(p);
if (incode == CHRS_NOTSET) {
p = hdr((char *)"X-FTN-CHRS",msg);
if (p == NULL)
p = hdr((char *)"X-FTN-CHARSET", msg);
if (p == NULL)
p = hdr((char *)"X-FTN-CODEPAGE", msg);
if (p)
incode = readchrs(p);
}
if ((p = hdr((char *)"Content-Type",msg)) && ((strcasestr(p,(char *)"multipart/signed")) ||
(strcasestr(p,(char *)"application/pgp")))) {
pgpsigned = TRUE;
outcode = incode;
} else if ((p = hdr((char *)"X-FTN-ORIGCHRS", msg)))
outcode = readchrs(p);
else if (dirtyoutcode != CHRS_NOTSET)
outcode = dirtyoutcode;
else
outcode = getoutcode(incode);
if (!CFG.allowcontrol) {
if (hdr((char *)"Control",msg)) {
Syslog('+', "Control message skipped");
tidyrfc(msg);
return 1;
}
}
if ((fmsg = mkftnhdr(msg, incode, outcode, newsmode, recipient)) == NULL) {
WriteError("Unable to create FTN headers from RFC ones, aborting");
tidyrfc(msg);
return 1;
}
if (newsmode)
fmsg->area = xstrcpy(msgs.Tag);
svmsgid = fmsg->msgid_n;
svreply = fmsg->reply_n;
if ((p = hdr((char *)"Message-ID",msg))) {
ftnmsgid(p, &fmsg->msgid_a, &fmsg->msgid_n, fmsg->area);
hash_update_s(&fmsg->msgid_n, fmsg->area);
}
if ((p = hdr((char *)"References",msg))) {
p = strrchr(p,' ');
ftnmsgid(p,&fmsg->reply_a, &fmsg->reply_n,fmsg->area);
if (!chkftnmsgid(p)) {
hash_update_s(&fmsg->reply_n, fmsg->area);
}
} else if ((p = hdr((char *)"In-Reply-To",msg))) {
ftnmsgid(p,&fmsg->reply_a, &fmsg->reply_n,fmsg->area);
if (!chkftnmsgid(p)) {
hash_update_s(&fmsg->reply_n, fmsg->area);
}
}
if (incode == CHRS_NOTSET && newsmode)
incode = msgs.Rfccode;
if (outcode == CHRS_NOTSET) {
if (newsmode)
outcode = msgs.Ftncode;
else
outcode = CHRS_DEFAULT_FTN;
}
if ((incode == CHRS_NOTSET) && (hdr((char *)"Message-ID",msg))) {
if (chkftnmsgid(hdr((char *)"Message-ID",msg)))
incode = CHRS_DEFAULT_FTN;
else
incode = CHRS_DEFAULT_RFC;
}
removemime = FALSE;
removemsgid = FALSE;
removeref = FALSE;
removeinreply = FALSE;
removesupersedes = FALSE;
removeapproved = FALSE;
removereplyto = TRUE;
removereturnto = TRUE;
ftnorigin = fmsg->ftnorigin;
if ((hdr((char *)"X-PGP-Signed",msg)))
pgpsigned = TRUE;
if (pgpsigned)
Syslog('n', "pgpsigned = %s", pgpsigned ? "True":"False");
q = hdr((char *)"Content-Transfer-Encoding",msg);
if (q)
while (*q && isspace(*q))
q++;
if (!(q))
q = (char *)"8bit";
if ((p = hdr((char *)"Content-Type",msg))) {
while (*p && isspace(*p))
p++;
/*
* turn the quoted-printable decode mode on; remember FTN is virtually 8-bit clean
*/
if ((strncasecmp(p, "text/plain", 10) == 0) && (strncasecmp(q, "quoted-printable", 16) == 0))
qp_or_base64 = 1;
/*
* turn the base64 decode mode on
*/
else if ((strncasecmp(p, "text/plain", 10) == 0) && (strncasecmp(q, "base64", 6) == 0))
qp_or_base64 = 2;
/*
* text/html support from FSC-HTML 001 proposal of Odinn Sorensen (2:236/77)
*/
if (strncasecmp(p, "text/html", 9) == 0)
html_message = TRUE;
for (tmp = msg; tmp; tmp = tmp->next)
if (((strcasecmp(tmp->key,"X-FTN-KLUDGE") == 0) && (strcasecmp(tmp->val,"FSCHTML") == 0)) ||
(strcasecmp(tmp->key,"X-FTN-HTML") == 0))
html_message = FALSE;
if ((readcharset(p) != CHRS_NOTSET ) && ((q == NULL) || (strncasecmp(q,"7bit",4) == 0) ||
((!pgpsigned) && (qp_or_base64==1)) || ((!pgpsigned) && (qp_or_base64==2)) || (strncasecmp(q,"8bit",4) == 0)))
removemime=1; /* no need in MIME headers */
/*
* some old MUA puts "text" instead of "text/plain; charset=..."
*/
else if ((strcasecmp(p,"text\n") == 0))
removemime = TRUE;
}
if (removemime || qp_or_base64 || html_message)
Syslog('n', "removemime=%s, qp_or_base64 = %d, html_message=%s", removemime ? "True":"False", qp_or_base64,
html_message ? "True":"False");
if ((p = hdr((char *)"Message-ID",msg))) {
if (!removemsgid)
removemsgid = chkftnmsgid(p);
}
Syslog('n', "removemsgid = %s", removemsgid ? "True":"False");
if ((!removeref) && (p = hdr((char *)"References",msg))) {
p = xstrcpy(p);
q = strtok(p," \t\n");
if ((q) && (strtok(NULL," \t\n") == NULL))
removeref = chkftnmsgid(q);
free(p);
}
if (removeref)
Syslog('n', "removeref = %s", removeref ? "True":"False");
if ((p = hdr((char *)"Supersedes",msg)))
removesupersedes = chkftnmsgid(p);
if (removesupersedes)
Syslog('n', "removesupersedes = %s", removesupersedes ? "True":"False");
if ((p = hdr((char *)"Approved",msg))) {
while (*p && isspace(*p))
p++;
if ((q = strchr(p,'\n')))
*q='\0';
// if (newsmode && strlen(msgs.Moderator) && (strcasestr(msgs.Moderator,p)))
// removeapproved = TRUE;
if (q)
*q='\n';
}
if (removeapproved)
Syslog('n', "removeapproved = %s", removeapproved ? "True":"False");
if ((p = hdr((char *)"Reply-To",msg))) {
removereplyto = FALSE;
if ((q = hdr((char *)"From",msg))) {
char *r;
r = xstrcpy(p);
p = r;
while(*p && isspace(*p))
p++;
if (p[strlen(p)-1] == '\n')
p[strlen(p)-1]='\0';
if (strcasestr(q,p))
removereplyto = TRUE;
// free(r);
}
}
Syslog('n', "removereplyto = %s", removereplyto ? "True":"False");
if ((p = hdr((char *)"Return-Receipt-To",msg))) {
removereturnto = FALSE;
if ((q = hdr((char *)"From",msg))) {
char *r;
r = xstrcpy(p);
p = r;
while (*p && isspace(*p))
p++;
if (p[strlen(p)-1] == '\n')
p[strlen(p)-1]='\0';
if (strcasestr(q,p))
removereturnto = TRUE;
// free(r);
}
}
if (!removereturnto)
Syslog('n', "removereturnto = %s", removereturnto ? "True":"False");
p = ascfnode(fmsg->from,0x1f);
i = 79-11-3-strlen(p);
if (ftnorigin && fmsg->origin && (strlen(fmsg->origin) > i)) {
/* This is a kludge... I don't like it too much. But well,
if this is a message of FTN origin, the original origin (:)
line MUST have been short enough to fit in 79 chars...
So we give it a try. Probably it would be better to keep
the information about the address format from the origin
line in a special X-FTN-... header, but this seems even
less elegant. Any _good_ ideas, anyone? */
/* OK, I am keeping this, though if should never be used
al long as X-FTN-Origin is used now */
p = ascfnode(fmsg->from,0x0f);
Syslog('n', "checkorigin 3");
i = 79-11-3-strlen(p);
tinyorigin = TRUE;
}
if (tinyorigin)
Syslog('n', "tinyorigin = %s", tinyorigin ? "True":"False");
if ((fmsg->origin) && (strlen(fmsg->origin) > i))
fmsg->origin[i]='\0';
forbidsplit = (ftnorigin || (hdr((char *)"X-FTN-Split",msg)));
needsplit = 0;
splitpart = 0;
hdrsize = 20;
hdrsize += (fmsg->subj)?strlen(fmsg->subj):0;
if (fmsg->from)
hdrsize += (fmsg->from->name)?strlen(fmsg->from->name):0;
if (fmsg->to)
hdrsize += (fmsg->to->name)?strlen(fmsg->to->name):0;
do {
Syslog('n', "split loop, splitpart = %d", splitpart);
datasize = 0;
if (splitpart) {
sprintf(newsubj,"[part %d] ",splitpart+1);
strncat(newsubj,fmsg->subj,MAXSUBJ-strlen(newsubj));
} else {
strncpy(newsubj,fmsg->subj,MAXSUBJ);
}
strcpy(newsubj, hdrnconv(newsubj, incode, outcode, MAXSUBJ));
newsubj[MAXSUBJ]='\0';
if (splitpart) {
hash_update_n(&fmsg->msgid_n,splitpart);
}
oldsubj = fmsg->subj;
fmsg->subj = newsubj;
/*
* Create a new temp message in FTN style format
*/
if ((ofp = tmpfile()) == NULL) {
WriteError("$Can't open second tmpfile");
tidyrfc(msg);
return 1;
}
// Syslog('-', "1");
if (newsmode) {
// Syslog('-', "1a");
fprintf(ofp, "AREA:%s\n", msgs.Tag);
// Syslog('-', "1b");
} else {
if (fmsg->to->point != 0)
fprintf(ofp, "\001TOPT %d\n", fmsg->to->point);
if (fmsg->from->point != 0)
fprintf(ofp, "\001FMPT %d\n", fmsg->from->point);
fprintf(ofp, "\001INTL %d:%d/%d %d:%d/%d\n", fmsg->to->zone, fmsg->to->net, fmsg->to->node,
fmsg->from->zone, fmsg->from->net, fmsg->from->node);
}
// Syslog('-', "1c");
fprintf(ofp, "\001MSGID: %s %08lx\n", MBSE_SS(fmsg->msgid_a),fmsg->msgid_n);
if (fmsg->reply_s)
fprintf(ofp, "\1REPLY: %s\n", fmsg->reply_s);
else if (fmsg->reply_a)
fprintf(ofp, "\1REPLY: %s %08lx\n", fmsg->reply_a, fmsg->reply_n);
Now = time(NULL) - (gmt_offset((time_t)0) * 60);
fprintf(ofp, "\001TZUTC: %s\n", gmtoffset(Now));
fmsg->subj = oldsubj;
if ((p = hdr((char *)"X-FTN-REPLYADDR",msg))) {
// Syslog('n', "replyaddr 1 %s", p);
hdrsize += 10+strlen(p);
fprintf(ofp,"\1REPLYADDR:");
kludgewrite(p,ofp);
} else if (replyaddr) {
// Syslog('n', "replyaddr 2");
hdrsize += 10+strlen(replyaddr);
fprintf(ofp,"\1REPLYADDR: ");
kludgewrite(replyaddr,ofp);
}
// Syslog('-', "2");
if ((p = hdr((char *)"X-FTN-REPLYTO",msg))) {
hdrsize += 8+strlen(p);
fprintf(ofp,"\1REPLYTO:");
kludgewrite(p,ofp);
} else if (replyaddr) {
hdrsize += 15;
if (newsmode)
fprintf(ofp,"\1REPLYTO: %s UUCP\n", aka2str(msgs.Aka));
else {
fta = bestaka_s(fmsg->to);
fprintf(ofp,"\1REPLYTO: %s UUCP\n", ascfnode(fta, 0x1f));
tidy_faddr(fta);
}
} else if ((p = hdr((char *)"Reply-To",msg))) {
if ((ta = parsefaddr(p))) {
if ((q = hdr((char *)"From",msg))) {
if (!strcasestr(q,p)) {
fprintf(ofp,"\1REPLYTO: %s %s\n", ascfnode(ta,0x1f), ta->name);
}
tidy_faddr(ta);
}
}
}
if ((p=strip_flags(hdr((char *)"X-FTN-FLAGS",msg)))) {
hdrsize += 15;
fprintf(ofp,"\1FLAGS:%s\n",p);
free(p);
}
if (!hdr((char *)"X-FTN-PID", msg)) {
p = hdr((char *)"User-Agent", msg);
if (p == NULL)
p = hdr((char *)"X-Newsreader", msg);
if (p == NULL)
p = hdr((char *)"X-Mailer", msg);
if (p) {
hdrsize += 4 + strlen(p);
fprintf(ofp, "\1PID:");
kludgewrite(p, ofp);
} else {
fprintf(ofp, "\001PID: MBSE-FIDO %s\n", VERSION);
}
}
// Syslog('-', "3");
hdrsize += 8 + strlen(getchrs(outcode));
fprintf(ofp, "\001CHRS: %s\n", getchrs(outcode));
if (html_message) {
hdrsize += 9;
fprintf(ofp, "\1HTML: 5\n");
}
if (CFG.allowcontrol && (!hdr((char *)"X-FTN-ACUPDATE",msg)) && (p=hdr((char *)"Control",msg))) {
if (strstr(p,"cancel")) {
ftnmsgid(p,&acup_a,&acup_n,fmsg->area);
if (acup_a) {
hash_update_s(&acup_n,fmsg->area);
hdrsize += 26 + strlen(acup_a);
fprintf(ofp,"\1ACUPDATE: DELETE %s %08lx\n", acup_a,acup_n);
}
}
}
if ((!hdr((char *)"X-FTN-ACUPDATE",msg)) && (p=hdr((char *)"Supersedes",msg))) {
ftnmsgid(p,&acup_a,&acup_n,fmsg->area);
if (acup_a) {
hash_update_s(&acup_n,fmsg->area);
hdrsize += 26 + strlen(acup_a);
fprintf(ofp,"\1ACUPDATE: MODIFY %s %08lx\n", acup_a,acup_n);
}
}
if (!(hdr((char *)"X-FTN-Tearline", msg)) && !(hdr((char *)"X-FTN-TID", msg))) {
sprintf(temp, " MBSE-FIDO %s", VERSION);
hdrsize += 4 + strlen(temp);
fprintf(ofp, "\1TID:");
kludgewrite(temp, ofp);
}
if ((splitpart == 0) || (hdrsize < MAXHDRSIZE)) {
for (tmp = msg; tmp; tmp = tmp->next) {
if ((!strncmp(tmp->key,"X-Fsc-",6)) ||
(!strncmp(tmp->key,"X-FTN-",6) &&
strcasecmp(tmp->key,"X-FTN-Tearline") &&
strcasecmp(tmp->key,"X-FTN-Origin") &&
strcasecmp(tmp->key,"X-FTN-Sender") &&
strcasecmp(tmp->key,"X-FTN-Split") &&
strcasecmp(tmp->key,"X-FTN-FLAGS") &&
strcasecmp(tmp->key,"X-FTN-AREA") &&
strcasecmp(tmp->key,"X-FTN-MSGID") &&
strcasecmp(tmp->key,"X-FTN-REPLY") &&
strcasecmp(tmp->key,"X-FTN-SEEN-BY") &&
strcasecmp(tmp->key,"X-FTN-PATH") &&
strcasecmp(tmp->key,"X-FTN-REPLYADDR") &&
strcasecmp(tmp->key,"X-FTN-REPLYTO") &&
strcasecmp(tmp->key,"X-FTN-To") &&
strcasecmp(tmp->key,"X-FTN-From") &&
strcasecmp(tmp->key,"X-FTN-CHARSET") &&
strcasecmp(tmp->key,"X-FTN-CHRS") &&
strcasecmp(tmp->key,"X-FTN-CODEPAGE") &&
strcasecmp(tmp->key,"X-FTN-ORIGCHRS") &&
strcasecmp(tmp->key,"X-FTN-SOT") &&
strcasecmp(tmp->key,"X-FTN-EOT") &&
strcasecmp(tmp->key,"X-FTN-Via"))) {
if ((strcasecmp(tmp->key,"X-FTN-KLUDGE") == 0)) {
if (!strcasecmp(tmp->val," SOT:\n"))
sot_kludge = TRUE;
else if (!strcasecmp(tmp->val," EOT:\n"))
eot_kludge = TRUE;
else {
hdrsize += strlen(tmp->val);
fprintf(ofp,"\1");
/* we should have restored the original string here... */
kludgewrite((tmp->val)+1,ofp);
}
} else {
hdrsize += strlen(tmp->key)+strlen(tmp->val);
fprintf(ofp,"\1%s:",tmp->key+6);
kludgewrite(tmp->val,ofp);
}
}
}
/* ZConnect are X-ZC-*: in usenet, \1ZC-*: in FTN */
for (tmp=msg;tmp;tmp=tmp->next)
if ((!strncmp(tmp->key,"X-ZC-",5))) {
hdrsize += strlen(tmp->key)+strlen(tmp->val);
fprintf(ofp,"\1%s:",tmp->key+2);
kludgewrite(tmp->val,ofp);
}
/* mondo.org gateway uses ".MSGID: ..." in usenet */
for (tmp=msg;tmp;tmp=tmp->next)
if ((!strncmp(tmp->key,".",1)) && (strcasecmp(tmp->key,".MSGID"))) {
hdrsize += strlen(tmp->key)+strlen(tmp->val);
fprintf(ofp,"\1%s:",tmp->key+1);
kludgewrite(tmp->val,ofp);
}
// Syslog('-', "4");
/*
* Add the Received: header from this system to the mesage.
*/
if (!newsmode) {
Now = time(NULL);
fprintf(ofp, "\1RFC-Received: by %s (mbfido) via RFC2FTN; %s\n", CFG.sysdomain, rfcdate(Now));
hdrsize += 72+strlen(CFG.sysdomain);
}
for (tmp = msg; tmp; tmp = tmp->next) {
if ((needputrfc(tmp) == 1)) {
if (strcasestr((char *)"X-Origin-Newsgroups",tmp->key)) {
hdrsize += 10+strlen(tmp->val);
fprintf(ofp,"\1RFC-Newsgroups:");
} else {
hdrsize += strlen(tmp->key)+strlen(tmp->val);
fprintf(ofp,"\1RFC-%s:",tmp->key);
}
kludgewrite(hdrconv(tmp->val, incode, outcode),ofp);
}
}
// Syslog('-', "5");
rfcheaders=0;
for (tmp=msg;tmp;tmp=tmp->next) {
if ((needputrfc(tmp) > 1)) {
rfcheaders++;
if (strcasestr((char *)"X-Origin-Newsgroups",tmp->key)) {
hdrsize += 10+strlen(tmp->val);
fprintf(ofp,"Newsgroups:");
} else {
hdrsize += strlen(tmp->key)+strlen(tmp->val);
fprintf(ofp,"%s:",tmp->key);
}
charwrite(hdrconv(tmp->val, incode, outcode),ofp);
}
}
if (rfcheaders)
charwrite((char *)"\n",ofp);
if ((hdr((char *)"X-FTN-SOT",msg)) || (sot_kludge))
fprintf(ofp,"\1SOT:\n");
if ((splitpart == 0) && (hdr((char *)"X-PGP-Signed",msg)))
fprintf(ofp,PGP_SIGNED_BEGIN"\n");
}
if (replyaddr) {
// free(replyaddr); /* Gives SIGSEGV */
replyaddr = NULL;
}
// Syslog('-', "6");
if (needsplit) {
fprintf(ofp," * Continuation %d of a split message *\n\n", splitpart);
needsplit = FALSE;
} else if ((p=hdr((char *)"X-Body-Start",msg))) {
datasize += strlen(p);
if (qp_or_base64==1)
charwrite(strkconv(qp_decode(p), incode, outcode), ofp);
else if (qp_or_base64==2)
charwrite(strkconv(b64_decode(p), incode, outcode), ofp);
else
charwrite(strkconv(p, incode, outcode), ofp);
}
while (!(needsplit=(!forbidsplit) && (((splitpart && (datasize > (CFG.new_split * 1024))) ||
(!splitpart && ((datasize+hdrsize) > (CFG.new_split * 1024)))))) && (bgets(temp,4096-1,fp))) {
datasize += strlen(temp);
if (qp_or_base64==1)
charwrite(strkconv(qp_decode(temp), incode, outcode), ofp);
else if (qp_or_base64==2)
charwrite(strkconv(b64_decode(temp), incode, outcode), ofp);
else
charwrite(strkconv(temp, incode, outcode), ofp);
}
if (needsplit) {
fprintf(ofp,"\n * Message split, to be continued *\n");
splitpart++;
} else if ((p=hdr((char *)"X-PGP-Signed",msg))) {
fprintf(ofp,PGP_SIG_BEGIN"\n");
if ((q=hdr((char *)"X-PGP-Version",msg))) {
fprintf(ofp,"Version:");
charwrite(q,ofp);
}
if ((q=hdr((char *)"X-PGP-Charset",msg))) {
fprintf(ofp,"Charset:");
charwrite(q,ofp);
}
if ((q=hdr((char *)"X-PGP-Comment",msg))) {
fprintf(ofp,"Comment:");
charwrite(q,ofp);
}
fprintf(ofp,"\n");
p=xstrcpy(p);
q=strtok(p," \t\n");
fprintf(ofp,"%s\n",q);
while ((q=(strtok(NULL," \t\n"))))
fprintf(ofp,"%s\n",q);
fprintf(ofp,PGP_SIG_END"\n");
}
if ((p=hdr((char *)"X-FTN-EOT",msg)) || (eot_kludge))
fprintf(ofp,"\1EOT:\n");
if ((p=hdr((char *)"X-FTN-Tearline",msg))) {
fprintf(ofp,"---");
if (strcasecmp(p," (none)\n") == 0)
charwrite((char *)"\n",ofp);
else
charwrite(p,ofp);
} else
fprintf(ofp,"%s\n", TearLine());
if ((p = hdr((char *)"X-FTN-Origin",msg))) {
if (*(q=p+strlen(p)-1) == '\n')
*q='\0';
origin = xstrcpy((char *)" * Origin: ");
origin = xstrcat(origin, hdrconv(p, incode, outcode));
} else {
origin = xstrcpy((char *)" * Origin: ");
if (fmsg->origin)
origin = xstrcat(origin, hdrconv(fmsg->origin, incode, outcode));
else
origin = xstrcat(origin, CFG.origin);
origin = xstrcat(origin, (char *)" (");
origin = xstrcat(origin, ascfnode(fmsg->from,tinyorigin?0x0f:0x1f));
origin = xstrcat(origin, (char *)")");
}
fprintf(ofp, "%s", origin);
if (newsmode) {
/*
* Setup SEEN-BY lines, first SEEN-BY from RFC message, then all matching AKA's
*/
for (tmsg = msg; tmsg; tmsg = tmsg->next)
if (strcasecmp(tmsg->key, "X-FTN-SEEN-BY") == 0)
fill_list(&sbl, tmsg->val, NULL);
for (i = 0; i < 40; i++) {
if (CFG.akavalid[i] && (CFG.aka[i].point == 0) && (msgs.Aka.zone == CFG.aka[i].zone) &&
!((msgs.Aka.net == CFG.aka[i].net) && (msgs.Aka.node == CFG.aka[i].node))) {
sprintf(sbe, "%u/%u", CFG.aka[i].net, CFG.aka[i].node);
fill_list(&sbl, sbe, NULL);
}
}
if (msgs.Aka.point == 0) {
sprintf(sbe, "%u/%u", msgs.Aka.net, msgs.Aka.node);
fill_list(&sbl, sbe, NULL);
}
/*
* Only add SEEN-BY lines if there are any
*/
if (sbl != NULL) {
uniq_list(&sbl);
sort_list(&sbl);
seenlen = MAXSEEN + 1;
memset(&sbe, 0, sizeof(sbe));
/* ensure it will not match for the first entry */
oldnet = sbl->addr->net-1;
for (tmpl = sbl; tmpl; tmpl = tmpl->next) {
if (tmpl->addr->net == oldnet)
sprintf(sbe," %u",tmpl->addr->node);
else
sprintf(sbe," %u/%u",tmpl->addr->net, tmpl->addr->node);
oldnet = tmpl->addr->net;
seenlen += strlen(sbe);
if (seenlen > MAXSEEN) {
seenlen = 0;
fprintf(ofp,"\nSEEN-BY:");
sprintf(sbe," %u/%u",tmpl->addr->net, tmpl->addr->node);
seenlen = strlen(sbe);
}
fprintf(ofp,"%s",sbe);
}
tidy_falist(&sbl);
}
/*
* Setup PATH lines
*/
for (tmp = msg; tmp; tmp = tmp->next)
if (!strcasecmp(tmp->key,"X-FTN-PATH"))
fill_path(&ptl,tmp->val);
if (msgs.Aka.point == 0) {
sprintf(sbe,"%u/%u",msgs.Aka.net, msgs.Aka.node);
fill_path(&ptl,sbe);
}
/*
* Only add PATH line if there is something
*/
if (ptl != NULL) {
uniq_list(&ptl);
seenlen = MAXPATH+1;
/* ensure it will not match for the first entry */
oldnet = ptl->addr->net-1;
for (tmpl = ptl; tmpl; tmpl = tmpl->next) {
if (tmpl->addr->net == oldnet)
sprintf(sbe," %u",tmpl->addr->node);
else
sprintf(sbe," %u/%u",tmpl->addr->net, tmpl->addr->node);
oldnet = tmpl->addr->net;
seenlen += strlen(sbe);
if (seenlen > MAXPATH) {
seenlen = 0;
fprintf(ofp,"\n\1PATH:");
sprintf(sbe," %u/%u",tmpl->addr->net, tmpl->addr->node);
seenlen = strlen(sbe);
}
fprintf(ofp,"%s",sbe);
}
tidy_falist(&ptl);
}
} /* if (newsmode) */
/*
* Add newline and message is ready.
*/
fprintf(ofp,"\n");
fflush(ofp);
rewind(ofp);
Syslog('n', "========== Fido start");
while (fgets(temp, 4096, ofp) != NULL) {
/*
* Only log kludges, skip the body
*/
if ((temp[0] == '\001') || !strncmp(temp, "AREA:", 5) || !strncmp(temp, "SEEN-BY", 7)) {
Striplf(temp);
Syslogp('n', printable(temp, 0));
}
}
Syslog('n', "========== Fido end");
if (newsmode)
rc = postecho(NULL, fmsg->from, fmsg->to, origin, fmsg->subj, fmsg->date, fmsg->flags, 0, ofp, FALSE);
else
rc = postnetmail(ofp, fmsg->from, fmsg->to, origin, fmsg->subj, fmsg->date, fmsg->flags, FALSE);
free(origin);
fclose(ofp);
} while (needsplit);
free(temp);
tidyrfc(msg);
tidy_ftnmsg(fmsg);
UpdateMsgs();
return 0;
}
/*
* Test which kludges to add;
* <1 junk
* 1 make kludge
* >1 pass
*/
int needputrfc(rfcmsg *msg)
{
faddr *ta;
// Syslog('M', "needputrfc(%s)", printable(msg->key,0));
if ((msg->key == NULL) || (strlen(msg->key) == 0)) return 0;
if (!strcasecmp(msg->key,"X-UUCP-From")) return -1;
if (!strcasecmp(msg->key,"X-Body-Start")) return -1;
if (!strncasecmp(msg->key,".",1)) return 0;
if (!strncasecmp(msg->key,"X-FTN-",6)) return 0;
if (!strncasecmp(msg->key,"X-Fsc-",6)) return 0;
if (!strncasecmp(msg->key,"X-ZC-",5)) return 0;
if (!strcasecmp(msg->key,"X-Gateway")) return 0;
if (!strcasecmp(msg->key,"Path")) return 0;
if (!strcasecmp(msg->key,"Newsgroups")) {
if ((hdr((char *)"X-Origin-Newsgroups",msg)))
return 0;
else if (strstr(msg->val,","))
return 1;
else
return 0;
}
if (!strcasecmp(msg->key,"X-Origin-Newsgroups")) {
if (strstr(msg->val,","))
return 1;
else
return 0;
}
if (!strcasecmp(msg->key,"Control")) {
if (CFG.allowcontrol) {
if (strstr(msg->val,"cancel"))
return 1;
else
return 0;
} else
return 0;
}
if (!strcasecmp(msg->key,"Return-Path")) return 1;
if (!strcasecmp(msg->key,"Xref")) return 0;
if (!strcasecmp(msg->key,"Approved")) return removeapproved ? -1:1; // Was -1:2 18-04-2002 MB.
if (!strcasecmp(msg->key,"X-URL")) return 0;
if (!strcasecmp(msg->key,"Return-Receipt-To")) return removereturnto? 0:1;
if (!strcasecmp(msg->key,"Notice-Requested-Upon-Delivery-To")) return 0;
if (!strcasecmp(msg->key,"Received")) return ftnorigin ?0:1;
if (!strcasecmp(msg->key,"From")) {
if ((ta = parsefaddr(msg->val))) {
tidy_faddr(ta);
return 0;
} else {
return 1; /* 28-Jul-2001 MB (was 2) */
}
}
if (!strcasecmp(msg->key,"To")) {
if ((ta=parsefaddr(msg->val))) {
tidy_faddr(ta);
return 0;
} else
return 2;
}
if (!strcasecmp(msg->key,"Cc")) return 2;
if (!strcasecmp(msg->key,"Bcc")) return 0;
if (!strcasecmp(msg->key,"Reply-To")) {
if ((ta = parsefaddr(msg->val))) {
tidy_faddr(ta);
return -1;
} else
return removereplyto ?0:4;
}
if (!strcasecmp(msg->key,"Lines")) return 0;
if (!strcasecmp(msg->key,"Date")) return 0;
if (!strcasecmp(msg->key,"Subject")) {
if ((msg->val) && (strlen(msg->val) > MAXSUBJ))
return 2;
else
return 0;
}
if (!strcasecmp(msg->key,"Organization")) return 1;
if (!strcasecmp(msg->key,"Organisation")) return 1;
if (!strcasecmp(msg->key,"Comment-To")) return 0;
if (!strcasecmp(msg->key,"X-Comment-To")) return 0;
if (!strcasecmp(msg->key,"X-Apparently-To")) return 0;
if (!strcasecmp(msg->key,"Apparently-To")) return 0;
if (!strcasecmp(msg->key,"X-Fidonet-Comment-To")) return 0;
if (!strcasecmp(msg->key,"Keywords")) return 2;
if (!strcasecmp(msg->key,"Summary")) return 2;
if (!strcasecmp(msg->key,"MIME-Version")) return removemime ?0:1;
if (!strcasecmp(msg->key,"Content-Type")) return removemime ?0:1;
if (!strcasecmp(msg->key,"Content-Length")) return removemime ?0:1;
if (!strcasecmp(msg->key,"Content-Transfer-Encoding")) return removemime ?0:1;
if (!strcasecmp(msg->key,"Content-Name")) return 2;
if (!strcasecmp(msg->key,"Content-Description")) return 2;
if (!strcasecmp(msg->key,"Message-ID")) return removemsgid ?0:1;
if (!strcasecmp(msg->key,"References")) return removeref ?0:1;
if (!strcasecmp(msg->key,"Supersedes")) return removesupersedes ?0:1;
if (!strcasecmp(msg->key,"Distribution")) return ftnorigin ?0:0;
if (!strcasecmp(msg->key,"X-Newsreader")) return 0;
if (!strcasecmp(msg->key,"X-Mailer")) return 0;
if (!strcasecmp(msg->key,"User-Agent")) return 0;
if (!strncasecmp(msg->key,"NNTP-",5)) return 0;
if (!strncasecmp(msg->key,"X-Trace",7)) return 0;
if (!strncasecmp(msg->key,"X-Complaints",12)) return 0;
if (!strncasecmp(msg->key,"X-MSMail",9)) return 0;
if (!strncasecmp(msg->key,"X-MimeOLE",9)) return 0;
if (!strncasecmp(msg->key,"X-MIME-Autoconverted",20)) return 0;
if (!strcasecmp(msg->key,"X-Origin-Date")) return 0;
if (!strncasecmp(msg->key,"X-PGP-",6)) return 0;
if (!strncasecmp(msg->key,"Resent-",7)) return 0;
if (!strncasecmp(msg->key,"X-MS-",5)) return -1;
if (!strcasecmp(msg->key,"X-Mailing-List")) return 0;
if (!strcasecmp(msg->key,"X-Loop")) return 0;
if (!strcasecmp(msg->key,"Precedence")) return 0;
/*if (!strcasecmp(msg->key,"")) return ;*/
return 1;
}
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