584 lines
16 KiB
C
584 lines
16 KiB
C
/*****************************************************************************
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*
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* $Id: mkftnhdr.c,v 1.19 2008/11/26 22:28:31 mbse Exp $
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* Purpose ...............: MBSE BBS Mail Gate
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*
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*****************************************************************************
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* Copyright (C) 1997-2008
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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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/* Base on E.C. Crosser's ifmail.
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*
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* ### Modified by P.Saratxaga on 19 Sep 1995 ###
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* - Added X-FTN-From and X-FTN-To support
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* - added code by T.Tanaka, dated 13 Mar 1995, to put the freename in the ftn
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* header, instead of the userid, when the address is fido parseable
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* - modified ^aREPLY: code, to look in In-Reply-To:
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* - support to decode MSGID from fidogate "Message-ID: <MSGID_....>"
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* - suport for X-Apparently-To: (generated by the french fido->usenet gate)
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* - added don't regate code by Wim Van Sebroeck <vsebro@medelec.uia.ac.be>
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* - corriged a bug when Organization: has only blanks
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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 "atoul.h"
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#include "hash.h"
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#include "msgflags.h"
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#include "aliasdb.h"
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#include "mkftnhdr.h"
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char *replyaddr=NULL;
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char *ftnmsgidstyle=NULL;
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faddr *bestaka;
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int ftnmsgid(char *msgid, char **s, unsigned int *n, char *areaname)
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{
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char *buf, *l, *r, *p;
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unsigned int nid = 0L;
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faddr *tmp;
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static int ftnorigin = 0;
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Syslog('m', "Make ftn msgid from \"%s\"", MBSE_SS(msgid));
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if (msgid == NULL) {
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*s = NULL;
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*n = 0L;
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return ftnorigin;
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}
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buf = malloc(strlen(msgid)+65);
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strcpy(buf, msgid);
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if ((l = strchr(buf,'<')))
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l++;
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else
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l = buf;
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while (isspace(*l))
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l++;
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if ((r = strchr(l,'>')))
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*r = '\0';
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r = l + strlen(l) - 1;
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while (isspace(*r) && (r > l))
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(*r--)='\0';
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if ((tmp = parsefaddr(l))) {
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if (tmp->name) {
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if (strspn(tmp->name,"0123456789") == strlen(tmp->name))
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nid = atoul(tmp->name);
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else
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nid = 0xffffffff;
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if (nid == 0xffffffff) {
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hash_update_s(&nid, tmp->name);
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} else
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ftnorigin = 1;
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} else {
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hash_update_s(&nid,l);
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}
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*s = xstrcpy(ascfnode(tmp, 0x1f));
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tidy_faddr(tmp);
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} else {
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if ((r=strchr(l,'@')) == NULL) { /* should never happen */
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Syslog('!', "ftnmsgid: should never happen: %s", printable(l, 0));
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*s = xstrcpy(l);
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hash_update_s(&nid,l);
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/* <MSGID_mimeanything_abcd1234@ftn.domain> */
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} else if (strncmp(l,"MSGID_",6) == 0) {
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*r = '\0';
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r = strrchr(l+6,'_');
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if (r)
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*r++ = '\0';
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*s = xstrcpy(l+6);
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if (r)
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sscanf(r,"%x",&nid);
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ftnorigin = 1;
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/* <NOMSGID_mimeanything_abcd1234@ftn.domain> */
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} else if (strncmp(l,"NOMSGID_",8) == 0) {
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*s = NULL;
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*n = 0L;
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ftnorigin = 1;
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return ftnorigin;
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/* <ftn_2.204.226$fidonet_1d17b3b3_Johan.Olofsson@magnus.ct.se> */
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} else if (strncmp(l,"ftn_",4) == 0) {
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*r = '\0';
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if ((r = strchr(l+4,'$')) || (r=strchr(l+4,'#'))) {
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if (*r=='$')
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*r='@';
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if ((r=strchr(l+4,'.')))
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*r=':';
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if ((r=strchr(l+4,'.')))
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*r='/';
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}
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while ((r=strrchr(l+4,'_')) != strchr(l+4,'_'))
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*r='\0';
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r=strchr(l+4,'_');
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*r++='\0';
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*s=xstrcpy(l+4);
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sscanf(r,"%x",&nid);
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ftnorigin=1;
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/* <wgcid$3$g712$h610$i22$kfidonet$j6596dbf5@brazerko.com> */
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} else if (strncmp(l,"wgcid$",6) == 0) {
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*r='\0';
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if ((r=strstr(l+6,"$g"))) {
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*r='\0';
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*s=xstrcpy(l+6);
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*s=xstrcat(*s,(char *)":");
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l=r+2;
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}
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if ((r=strstr(l,"$h"))) {
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*r++='\0';
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*s=xstrcat(*s,l);
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*s=xstrcat(*s,(char *)"/");
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l=r+2;
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}
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if ((r=strstr(l,"$i"))) {
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*r='\0';
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*s=xstrcat(*s,l);
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*s=xstrcat(*s,(char *)".");
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l=r+2;
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}
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if ((r=strstr(l,"$k"))) {
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*r='\0';
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*s=xstrcat(*s,l);
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*s=xstrcat(*s,(char *)"@");
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l=r+2;
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}
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if ((r=strstr(l,"$j"))) {
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*r='\0';
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*s=xstrcat(*s,l);
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sscanf(r+2,"%x",&nid);
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}
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} else {
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*r='\0';
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if ((p=strchr(l,'%'))) {
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*p='\0';
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if (strspn(l,"0123456789") == strlen(l)) {
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*r='@';
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r=p;
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} else
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*p='%';
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}
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r++;
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if (strspn(l,"0123456789") == strlen(l))
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nid = atoul(l);
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else
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nid = 0xffffffff;
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if (nid == 0xffffffff)
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hash_update_s(&nid,l);
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*s=xstrcpy(r);
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}
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}
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*n=nid;
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free(buf);
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return ftnorigin;
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}
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ftnmsg *mkftnhdr(rfcmsg *msg, int newsmode, faddr *recipient)
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{
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char *freename = NULL, *rfcfrom = NULL, *p, *q, *l, *r;
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char *fbuf = NULL, *ftnfrom=NULL;
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static ftnmsg *tmsg;
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int needreplyaddr = 1;
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faddr *tmp, *tmp2;
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tmsg=(ftnmsg *)malloc(sizeof(ftnmsg));
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memset(tmsg, 0, sizeof(ftnmsg));
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if (newsmode) {
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p = xstrcpy(hdr((char *)"Comment-To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"X-Comment-To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"X-FTN-To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"X-Fidonet-Comment-To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"X-Apparently-To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"To", msg)); /* 14-Aug-2001 MB */
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if (p) {
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Syslog('m', "Getting `to' address from \"%s\"", MBSE_SS(p));
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if ((tmsg->to = parsefaddr(p)) == NULL)
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tmsg->to = parsefaddr((char *)"All@p0.f0.n0.z0");
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if ((l = strrchr(p,'<')) && (r = strchr(p,'>')) && (l < r)) {
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r = l;
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*r-- = '\0';
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if ((l = strchr(p,'"')) && (r = strrchr(p,'"')) && (l < r)) {
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l++;
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*r-- = '\0';
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}
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while (isspace(*r))
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*r-- = '\0';
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if (!l)
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l = p;
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while (isspace(*l))
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l++;
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} else if ((l = strrchr(p,'(')) && (r = strchr(p,')')) && (l < r)) {
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*r-- = '\0';
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while (isspace(*r))
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*r-- = '\0';
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l++;
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while (isspace(*l))
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l++;
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} else {
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l = p;
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while (isspace(*l))
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l++;
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r = p + strlen(p) -1;
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if (*r == '\n')
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*r-- = '\0';
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while (isspace(*r))
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*r-- = '\0';
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}
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if (*l) {
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if (strlen(l) > MAXNAME)
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l[MAXNAME]='\0';
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free(tmsg->to->name);
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tmsg->to->name=xstrcpy(l);
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}
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free(p);
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/*
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* It will become echomail, the destination FTN address must
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* be our address. 14-Aug-2001 MB.
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*/
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tmsg->to->zone = msgs.Aka.zone;
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tmsg->to->net = msgs.Aka.net;
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tmsg->to->node = msgs.Aka.node;
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tmsg->to->point = msgs.Aka.point;
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tmsg->to->domain = xstrcpy(msgs.Aka.domain);
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} else {
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/*
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* Filling a default To: address.
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*/
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tmsg->to = (faddr*)malloc(sizeof(faddr));
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tmsg->to->name = xstrcpy((char *)"All");
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tmsg->to->zone = msgs.Aka.zone;
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tmsg->to->net = msgs.Aka.net;
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tmsg->to->node = msgs.Aka.node;
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tmsg->to->point = msgs.Aka.point;
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tmsg->to->domain = xstrcpy(msgs.Aka.domain);
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}
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} else {
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if (recipient) {
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/*
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* In mbmail mode the recipient is valid and must be used
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* as the destination address. The To: field is probably
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* an RFC address an cannot be used to route the message.
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*/
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tmsg->to = (faddr *)malloc(sizeof(faddr));
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tmsg->to->point = recipient->point;
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tmsg->to->node = recipient->node;
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tmsg->to->net = recipient->net;
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tmsg->to->zone = recipient->zone;
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tmsg->to->name = xstrcpy(recipient->name);
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if (tmsg->to->name && (strlen(tmsg->to->name) > MAXNAME))
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tmsg->to->name[MAXNAME]='\0';
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tmsg->to->domain = xstrcpy(recipient->domain);
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Syslog('m', "Recipient TO: %s", ascfnode(tmsg->to,0xff));
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} else {
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p = xstrcpy(hdr((char *)"To",msg));
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if (p == NULL)
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p = xstrcpy(hdr((char *)"X-Apparently-To",msg));
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if (p) {
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if ((tmsg->to = parsefaddr(p)) == NULL)
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WriteError("Unparsable destination address");
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else
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Syslog('m', "RFC parsed TO: %s",ascfnode(tmsg->to,0xff));
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}
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}
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} /* else (newsmode) */
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p = fbuf = xstrcpy(hdr((char *)"Reply-To", msg));
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if (fbuf == NULL)
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p = fbuf = xstrcpy(hdr((char *)"From", msg));
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if (fbuf == NULL)
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p = fbuf = xstrcpy(hdr((char *)"X-UUCP-From", msg));
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if (p) {
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q = p;
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while (isspace(*q))
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q++;
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fbuf = parserfcaddr(q).remainder;
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if (parserfcaddr(q).target) {
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fbuf = xstrcat(fbuf, (char *)"@");
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fbuf = xstrcat(fbuf, parserfcaddr(q).target);
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}
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rfcfrom = fbuf;
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}
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if (p)
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free(p);
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p = NULL;
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if (!rfcfrom)
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rfcfrom = xstrcpy((char *)"postmaster");
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p = fbuf = xstrcpy(hdr((char *)"From", msg));
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if (fbuf == NULL)
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p = fbuf = xstrcpy(hdr((char *)"X-UUCP-From", msg));
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if (p) {
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q = p;
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while (isspace(*q))
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q++;
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if ((q) && (*q != '\0'))
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freename = parserfcaddr(q).comment;
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else
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freename = NULL;
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} else
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freename = xstrcpy((char *)"Unidentified User");
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if (freename) {
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while (isspace(*freename))
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freename++;
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}
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if (rfcfrom) {
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while (isspace(*rfcfrom))
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rfcfrom++;
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p = rfcfrom + strlen(rfcfrom) -1;
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while ((isspace(*p)) || (*p == '\n'))
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*(p--)='\0';
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}
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if ((freename) && (*freename != '\0')) {
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while (isspace(*freename))
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freename++;
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p = freename + strlen(freename) -1;
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while ((isspace(*p)) || (*p == '\n'))
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*(p--)='\0';
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if ((*freename == '\"') && (*(p=freename+strlen(freename)-1) == '\"')) {
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freename++;
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*p='\0';
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}
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}
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// if (*freename == '\0') freename=rfcfrom;
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if ((!freename) || ((freename) && (*freename == '\0')) || (strcmp(freename,".")==0))
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freename=rfcfrom;
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if (! newsmode)
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Syslog('+', "from: %s <%s>",freename,rfcfrom);
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|
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needreplyaddr = 1;
|
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if ((tmsg->from=parsefaddr(rfcfrom)) == NULL) {
|
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if (freename && rfcfrom)
|
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if (!strchr(freename,'@') && !strchr(freename,'%') &&
|
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strncasecmp(freename,rfcfrom,MAXNAME) &&
|
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strncasecmp(freename,"uucp",4) &&
|
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strncasecmp(freename,"usenet",6) &&
|
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strncasecmp(freename,"news",4) &&
|
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strncasecmp(freename,"super",5) &&
|
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strncasecmp(freename,"admin",5) &&
|
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strncasecmp(freename,"postmaster",10) &&
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strncasecmp(freename,"sys",3))
|
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needreplyaddr=registrate(freename,rfcfrom);
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} else {
|
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tmsg->ftnorigin = 1;
|
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tmsg->from->name = xstrcpy(freename);
|
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if (strlen(tmsg->from->name) > MAXNAME)
|
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tmsg->from->name[MAXNAME]='\0';
|
|
}
|
|
if (replyaddr) {
|
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free(replyaddr);
|
|
replyaddr=NULL;
|
|
}
|
|
if (needreplyaddr && (tmsg->from == NULL)) {
|
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replyaddr=xstrcpy(rfcfrom);
|
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}
|
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|
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if (tmsg->from)
|
|
Syslog('m', "From address was%s distinguished as ftn", tmsg->from ? "" : " not");
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|
|
|
if (newsmode) {
|
|
tmp2 = fido2faddr(msgs.Aka);
|
|
bestaka = bestaka_s(tmp2);
|
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tidy_faddr(tmp2);
|
|
} else
|
|
bestaka = bestaka_s(tmsg->to);
|
|
|
|
if ((tmsg->from == NULL) && (bestaka)) {
|
|
if (CFG.dontregate) {
|
|
p = xstrcpy(hdr((char *)"X-FTN-Sender",msg));
|
|
if (p == NULL) {
|
|
if ((p = hdr((char *)"X-FTN-From",msg))) {
|
|
tmp = parsefnode(p);
|
|
p = xstrcpy(ascinode(tmp, 0xff));
|
|
tidy_faddr(tmp);
|
|
}
|
|
}
|
|
if (p) {
|
|
q = p;
|
|
while (isspace(*q))
|
|
q++;
|
|
ftnfrom = parserfcaddr(q).remainder;
|
|
if (parserfcaddr(q).target) {
|
|
ftnfrom = xstrcat(ftnfrom,(char *)"@");
|
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ftnfrom = xstrcat(ftnfrom,parserfcaddr(q).target);
|
|
}
|
|
Syslog('m', "Ftn gateway: \"%s\"", ftnfrom);
|
|
Syslog('+', "Ftn sender: %s",ftnfrom);
|
|
if (ftnfrom)
|
|
tmsg->from = parsefaddr(ftnfrom);
|
|
if ((tmsg->from) && (!tmsg->from->name))
|
|
tmsg->from->name = xstrcpy(rfcfrom);
|
|
}
|
|
if (p)
|
|
free(p);
|
|
p = NULL;
|
|
if (tmsg->from == NULL) {
|
|
tmsg->from=(faddr *)malloc(sizeof(faddr));
|
|
tmsg->from->name=xstrcpy(freename);
|
|
if (tmsg->from->name && (strlen(tmsg->from->name) > MAXNAME))
|
|
tmsg->from->name[MAXNAME]='\0';
|
|
tmsg->from->point=bestaka->point;
|
|
tmsg->from->node=bestaka->node;
|
|
tmsg->from->net=bestaka->net;
|
|
tmsg->from->zone=bestaka->zone;
|
|
tmsg->from->domain=xstrcpy(bestaka->domain);
|
|
}
|
|
} else {
|
|
tmsg->from=(faddr *)xmalloc(sizeof(faddr));
|
|
tmsg->from->name=xstrcpy(freename);
|
|
if (tmsg->from->name && (strlen(tmsg->from->name) > MAXNAME))
|
|
tmsg->from->name[MAXNAME]='\0';
|
|
tmsg->from->point=bestaka->point;
|
|
tmsg->from->node=bestaka->node;
|
|
tmsg->from->net=bestaka->net;
|
|
tmsg->from->zone=bestaka->zone;
|
|
tmsg->from->domain=xstrcpy(bestaka->domain);
|
|
}
|
|
}
|
|
if (fbuf)
|
|
free(fbuf);
|
|
fbuf = NULL;
|
|
|
|
p = hdr((char *)"Subject", msg);
|
|
if (p) {
|
|
while (isspace(*p))
|
|
p++;
|
|
tmsg->subj = xstrcpy(p);
|
|
if (*(p=tmsg->subj+strlen(tmsg->subj)-1) == '\n')
|
|
*p='\0';
|
|
if (strlen(tmsg->subj) > MAXSUBJ)
|
|
tmsg->subj[MAXSUBJ]='\0';
|
|
} else {
|
|
tmsg->subj = xstrcpy((char *)" ");
|
|
}
|
|
|
|
if ((p = hdr((char *)"X-FTN-FLAGS",msg)))
|
|
tmsg->flags |= flagset(p);
|
|
if (hdr((char *)"Return-Receipt-To",msg))
|
|
tmsg->flags |= M_RRQ;
|
|
if (hdr((char *)"Notice-Requested-Upon-Delivery-To",msg))
|
|
tmsg->flags |= M_RRQ;
|
|
if (!newsmode) {
|
|
tmsg->flags |= M_PVT;
|
|
tmsg->flags |= M_KILLSENT;
|
|
}
|
|
|
|
if ((p = hdr((char *)"X-Origin-Date",msg)))
|
|
tmsg->date = parsedate(p, NULL) - (gmt_offset((time_t)0) * 60);
|
|
else if ((p = hdr((char *)"Date",msg)))
|
|
tmsg->date = parsedate(p, NULL) - (gmt_offset((time_t)0) * 60);
|
|
else
|
|
tmsg->date = time((time_t *)NULL);
|
|
|
|
/*
|
|
* SunMail 1.0 creates invalid date formats like: Wed, 19 Jun 2002 18:21:07 GMT-08:00
|
|
* ^---- not allowed.
|
|
*/
|
|
if (tmsg->date == -1) {
|
|
Syslog('!', "Parsing date \"%s\" failed, using current date", p);
|
|
tmsg->date = time((time_t *)NULL);
|
|
}
|
|
|
|
if ((p = hdr((char *)"X-FTN-MSGID", msg))) {
|
|
tmsg->ftnorigin &= 1;
|
|
while (isspace(*p))
|
|
p++;
|
|
tmsg->msgid_s = xstrcpy(p);
|
|
if (*(p = tmsg->msgid_s + strlen(tmsg->msgid_s) -1) == '\n')
|
|
*p='\0';
|
|
} else if ((p = hdr((char *)".MSGID",msg))) {
|
|
tmsg->ftnorigin &= 1;
|
|
while (isspace(*p))
|
|
p++;
|
|
tmsg->msgid_s = xstrcpy(p);
|
|
if (*(p = tmsg->msgid_s + strlen(tmsg->msgid_s) -1) == '\n')
|
|
*p='\0';
|
|
} else if ((p = hdr((char *)"Message-ID",msg))) {
|
|
tmsg->ftnorigin &= ftnmsgid(p,&(tmsg->msgid_a),&(tmsg->msgid_n),tmsg->area);
|
|
} else
|
|
tmsg->msgid_a = NULL;
|
|
|
|
if ((p = hdr((char *)"X-FTN-REPLY",msg))) {
|
|
while (isspace(*p))
|
|
p++;
|
|
tmsg->reply_s = xstrcpy(p);
|
|
if (*(p=tmsg->reply_s + strlen(tmsg->reply_s) -1) == '\n')
|
|
*p='\0';
|
|
} else {
|
|
if (newsmode) {
|
|
p = hdr((char *)"References",msg);
|
|
if (p) {
|
|
l = xstrcpy(p);
|
|
r = strtok(l," \t\n");
|
|
while ((l=strtok(NULL," \t\n")) != NULL)
|
|
r = l;
|
|
p = r;
|
|
free(l);
|
|
}
|
|
} else
|
|
p = hdr((char *)"In-Reply-To",msg);
|
|
}
|
|
if (p)
|
|
(void)ftnmsgid(p,&(tmsg->reply_a),&(tmsg->reply_n),NULL);
|
|
else
|
|
tmsg->reply_a=NULL;
|
|
|
|
p = hdr((char *)"Organization",msg);
|
|
if (p == NULL)
|
|
p = hdr((char *)"Organisation",msg);
|
|
if (p) {
|
|
while (isspace(*p))
|
|
p++;
|
|
tmsg->origin = xstrcpy(p);
|
|
if (tmsg->origin)
|
|
if (*(p = tmsg->origin + strlen(tmsg->origin)-1) == '\n')
|
|
*p='\0';
|
|
} else {
|
|
/*
|
|
* No Organization header, insert the default BBS origin.
|
|
*/
|
|
tmsg->origin = xstrcpy(CFG.origin);
|
|
}
|
|
|
|
return tmsg;
|
|
}
|
|
|
|
|