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- /*
- * Program: Network News Transfer Protocol (NNTP) routines
- *
- * Author: Mark Crispin
- * Networks and Distributed Computing
- * Computing & Communications
- * University of Washington
- * Administration Building, AG-44
- * Seattle, WA 98195
- * Internet: MRC@CAC.Washington.EDU
- *
- * Date: 10 February 1992
- * Last Edited: 3 March 1992
- *
- * Copyright 1992 by the University of Washington.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notices appear in all copies and that both the
- * above copyright notices and this permission notice appear in supporting
- * documentation, and that the name of the University of Washington not be
- * used in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. This software is made
- * available "as is", and
- * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
- * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
- * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
- * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-
- #include <ctype.h>
- #include <stdio.h>
- #if unix
- #include <sys/types.h>
- #endif
- #include "osdep.h"
- #include "mail.h"
- #include "smtp.h"
- #include "nntp.h"
- #include "rfc822.h"
- #include "misc.h"
-
- /* Network News Transfer Protocol open connection
- * Accepts: service host list
- * initial debugging flag
- * Returns: T on success, NIL on failure
- */
-
- SMTPSTREAM *nntp_open (hostlist,debug)
- char **hostlist;
- long debug;
- {
- SMTPSTREAM *stream = NIL;
- void *tcpstream;
- char tmp[MAILTMPLEN];
- if (!(hostlist && *hostlist)) mm_log ("Missing NNTP service host",ERROR);
- else do { /* try to open connection */
- if (tcpstream = tcp_open (*hostlist,NNTPTCPPORT)) {
- stream = (SMTPSTREAM *) fs_get (sizeof (SMTPSTREAM));
- stream->tcpstream = tcpstream;
- stream->debug = debug;
- stream->reply = NIL;
- /* get NNTP greeting */
- if (smtp_reply (stream) == NNTPGREET) return stream;
- smtp_close (stream); /* otherwise punt stream */
- }
- } while (*++hostlist); /* try next server */
- return NIL;
- }
-
- /* Network News Transfer Protocol deliver news
- * Accepts: stream
- * message envelope
- * message body
- * Returns: T on success, NIL on failure
- */
-
- long nntp_mail (stream,env,body)
- SMTPSTREAM *stream;
- ENVELOPE *env;
- BODY *body;
- {
- char tmp[8*MAILTMPLEN];
- /* negotiate post command */
- if (!(smtp_send (stream,"POST",NIL) == NNTPREADY)) return NIL;
- /* set up error in case failure */
- smtp_fake (stream,SMTPSOFTFATAL,"NNTP connection went away!");
- /* output data, return success status */
- return rfc822_output (tmp,env,body,smtp_soutr,stream->tcpstream) &&
- (smtp_send (stream,".",NIL) == NNTPOK);
- }
-