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deb-mbse/mbfido/postemail.c

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/*****************************************************************************
*
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* $Id$
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* Purpose ...............: Post Email message from temp file
*
*****************************************************************************
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* Copyright (C) 1997-2005
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*
* 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
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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/mbinet.h"
#include "../lib/msg.h"
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#include "postemail.h"
/*
* Global variables
*/
extern int email_in; /* Total emails processed */
extern int email_imp; /* Netmails imported */
extern int email_bad; /* Bad netmails */
/*
* Post email message
*
* 0 - All seems well.
* 1 - Something went wrong.
* 2 - SMTP error.
*
*/
int postemail(FILE *fp, char *MailFrom, char *MailTo)
{
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char *temp, *p, buf[4096];
int result = 1;
faddr *fa;
parsedaddr rfcaddr;
rewind(fp);
Syslog('+', "SMTP: posting email from \"%s\" to \"%s\"", MailFrom, MailTo);
/*
* If a user forgets the To: line at the start of the FTN
* netmail, we end up here with a UUCP user with a local
* address as the destination.
* We can't deliver this and create a loop if we pass this
* message to SMTP.
*/
if ((fa = parsefaddr(MailTo))) {
if (is_local(fa)) {
WriteError("Destination is a local FTN address");
email_bad++;
tidy_faddr(fa);
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return 2;
}
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tidy_faddr(fa);
}
if (smtp_connect() == -1) {
WriteError("SMTP: connection refused");
email_bad++;
return 2;
}
temp = calloc(MAX_LINE_LENGTH +1, sizeof(char));
rfcaddr = parserfcaddr(MailFrom);
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snprintf(temp, MAX_LINE_LENGTH, "MAIL FROM:<%s@%s>\r\n", MBSE_SS(rfcaddr.remainder), MBSE_SS(rfcaddr.target));
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Syslog('m', "%s", printable(temp, 0));
if (smtp_cmd(temp, 250)) {
WriteError("SMTP: refused FROM <%s@%s>", MBSE_SS(rfcaddr.remainder), MBSE_SS(rfcaddr.target));
email_bad++;
free(temp);
return 2;
}
tidyrfcaddr(rfcaddr);
rfcaddr = parserfcaddr(MailTo);
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snprintf(temp, MAX_LINE_LENGTH, "RCPT TO:<%s@%s>\r\n", MBSE_SS(rfcaddr.remainder), MBSE_SS(rfcaddr.target));
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Syslog('m', "%s", printable(temp, 0));
if (smtp_cmd(temp, 250)) {
WriteError("SMTP: refused TO <%s@%s>", MBSE_SS(rfcaddr.remainder), MBSE_SS(rfcaddr.target));
email_bad++;
free(temp);
return 2;
}
tidyrfcaddr(rfcaddr);
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if (smtp_cmd((char *)"DATA\r\n", 354)) {
WriteError("SMTP refused DATA mode");
email_bad++;
free(temp);
return 2;
}
while ((fgets(buf, sizeof(buf)-2, fp)) != NULL) {
if (strncmp(buf, ".\r\n", 3)) {
p = buf+strlen(buf)-1;
if (*p == '\n') {
*p++ = '\r';
*p++ = '\n';
*p = '\0';
}
smtp_send(buf);
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} else {
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snprintf(temp, MAX_LINE_LENGTH, " .\r\n");
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smtp_send(temp);
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}
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}
email_in++;
if (smtp_cmd((char *)".\r\n", 250) == 0) {
Syslog('+', "SMTP: Message accepted");
result = 0;
email_imp++;
} else {
WriteError("SMTP: refused message");
email_bad++;
}
free(temp);
smtp_close();
return result;
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}