inc.c.6.7

<B>Digital的Unix操作系统VAX 4.2源码</B>

	if ((in = lkfopen (newmail, "r")) == NULL)
	    adios (NULLCP, "unable to lock and fopen %s", newmail);
	(void) fstat (fileno(in), &s1);
    }

    if (audfile) {
	if ((i = stat (audfile, &st)) == NOTOK)
	    advise (NULLCP, "Creating Receive-Audit: %s", audfile);
	if ((aud = fopen (audfile, "a")) == NULL)
	    adios (audfile, "unable to append to");
	else
	    if (i == NOTOK)
		(void) chmod (audfile, m_gmprot ());
#ifndef	POP
	fprintf (aud, from ? "<<inc>> %s  -ms %s\n" : "<<inc>> %s\n",
		dtimenow (), from);
#else	POP
	fprintf (aud, from ? "<<inc>> %s -ms %s\n"
			: host ? "<<inc>> %s -host %s -user %s%s\n"
			: "<<inc>> %s\n",
		dtimenow (), from ? from : host, user, rpop ? " -rpop" : "");
#endif	POP
    }

#ifdef	MHE
    if (m_find ("mhe")) {
	cp = concat (maildir, "/++", NULLCP);
	i = stat (cp, &st);
	if ((mhe = fopen (cp, "a")) == NULL)
	    admonish (cp, "unable to append to");
	else
	    if (i == NOTOK)
		(void) chmod (cp, m_gmprot ());
	free (cp);
    }
#endif	MHE

    nfs = new_fs (form, format, FORMAT);

    if (noisy) {
	printf ("Incorporating new mail into %s...\n\n", folder);
	(void) fflush (stdout);
    }

/*  */

#ifdef	POP
    if (host) {
	if (file) {
	    file = path (file, TFILE);
	    if (stat (file, &st) == NOTOK) {
		if (errno != ENOENT)
		    adios (file, "error on file");
		cp = concat ("Create file \"", file, "\"? ", NULLCP);
		if (noisy && !getanswer (cp))
		    done (1);
		free (cp);
	    }
	    msgnum = map_count ();
	    if ((pd = mbx_open (file, getuid (), getgid (), m_gmprot ()))
		    == NOTOK)
		adios (file, "unable to open");
	    if ((pf = fdopen (pd, "w+")) == NULL)
		adios (NULLCP, "unable to fdopen %s", file);
	}
	else {
	    hghnum = msgnum = mp -> hghmsg;
	    if ((mp = m_remsg (mp, 0, mp -> hghmsg + nmsgs)) == NULL)
		adios (NULLCP, "unable to allocate folder storage");
	}

	for (i = 1; i <= nmsgs; i++) {
	    msgnum++;
	    if (file) {
		(void) fseek (pf, 0L, 1);
		pos = ftell (pf);
		size = 0;
		(void) fwrite (mmdlm1, 1, strlen (mmdlm1), pf);
		start = ftell (pf);

		if (pop_retr (i, pop_pack) == NOTOK)
		    adios (NULLCP, "%s", response);

		(void) fseek (pf, 0L, 1);
		stop = ftell (pf);
		if (fflush (pf))
		    adios (file, "write error on");
		(void) fseek (pf, start, 0);
	    }
	    else {
		cp = getcpy (m_name (msgnum));
		if ((pf = fopen (cp, "w+")) == NULL)
		    adios (cp, "unable to write");
		(void) chmod (cp, m_gmprot ());
		start = stop = 0L;

		if (pop_retr (i, pop_action) == NOTOK)
		    adios (NULLCP, "%s", response);

		if (fflush (pf))
		    adios (cp, "write error on");
		(void) fseek (pf, 0L, 0);
	    }
	    switch (p = scan (pf, msgnum, 0, nfs, width,
			file ? 0 : msgnum == mp -> hghmsg + 1 && chgflag,
			0, stop - start, noisy)) {
		case SCNEOF: 
		    printf ("%*d  empty\n", DMAXFOLDER, msgnum);
		    break;

		case SCNERR: 
		case SCNNUM: 
		    break;

		case SCNMSG: 
		case SCNENC:
		default: 
		    if (aud)
			fputs (scanl, aud);
#ifdef	MHE
		    if (mhe)
			fputs (scanl, mhe);
#endif	MHE
		    if (noisy)
			(void) fflush (stdout);
		    if (!file) {
			mp -> msgstats[msgnum] = EXISTS;
#ifdef	TMA
			if (p == SCNENC) {
			    if (mp -> lowsel == 0 || msgnum < mp -> lowsel)
				mp -> lowsel = msgnum;
			    if (mp -> hghsel == 0 || msgnum > mp -> hghsel)
				mp -> hghsel = msgnum;
			    mp -> numsel++;
			    mp -> msgstats[msgnum] |= SELECTED;
			}
#endif	TMA
			mp -> msgstats[msgnum] |= UNSEEN;
			mp -> msgflags |= SEQMOD;
		    }
		    break;
		}
	    if (file) {
		(void) fseek (pf, stop, 0);
		(void) fwrite (mmdlm2, 1, strlen (mmdlm2), pf);
		if (fflush (pf))
		    adios (file, "write error on");
		(void) map_write (file, pd, 0, 0L, start, stop, pos, size,
			    noisy);
	    }
	    else {
		if (ferror(pf) || fclose (pf))
		    adios (file, "write error on");
		free (cp);
	    }

	    if (trnflag && pop_dele (i) == NOTOK)
		adios (NULLCP, "%s", response);
	}
	if (pop_quit () == NOTOK)
	    adios (NULLCP, "%s", response);
	if (file) {
	    (void) mbx_close (file, pd);
	    pd = NOTOK;
	}
    }
    else {
#endif	POP

/*  */

    m_unknown (in);		/* the MAGIC invocation... */
    hghnum = msgnum = mp -> hghmsg;
    for (;;) {
	if (msgnum >= mp -> hghoff)
	    if ((mp = m_remsg (mp, 0, mp -> hghoff + MAXFOLDER)) == NULL)
		adios (NULLCP, "unable to allocate folder storage");

	switch (i = scan (in, msgnum + 1, msgnum + 1, nfs, width,
		    msgnum == hghnum && chgflag,
		    0,
		    0L,
		    noisy)) {
	    case SCNEOF: 
		break;

	    case SCNERR: 
		if (aud)
		    fputs ("inc aborted!\n", aud);
		adios (NULLCP, "aborted!");

	    case SCNNUM: 
		adios (NULLCP, "more than %d messages in folder %s, %s not zero'd",
			MAXFOLDER, folder, newmail);

	    default: 
		adios (NULLCP, "scan() botch (%d)", i);

	    case SCNMSG:
	    case SCNENC:
		if (aud)
		    fputs (scanl, aud);
#ifdef	MHE
		if (mhe)
		    fputs (scanl, mhe);
#endif	MHE
		if (noisy)
		    (void) fflush (stdout);

		msgnum++, mp -> hghmsg++;
		mp -> msgstats[msgnum] = EXISTS;
#ifdef	TMA
		if (i == SCNENC) {
		    if (mp -> lowsel == 0 || mp -> lowsel > msgnum)
			mp -> lowsel = msgnum;
		    if (mp -> hghsel == 0 || mp -> hghsel < msgnum)
			mp -> hghsel = msgnum;
		    mp -> numsel++;
		    mp -> msgstats[msgnum] |= SELECTED;
		}
#endif	TMA
		mp -> msgstats[msgnum] |= UNSEEN;
		mp -> msgflags |= SEQMOD;
		continue;
	}
	break;
    }
#ifdef	POP
    }
#endif	POP

    if (aud)
	(void) fclose (aud);
#ifdef	MHE
    if (mhe)
	(void) fclose (mhe);
#endif	MHE
    if (noisy)
	(void) fflush (stdout);
#ifdef	POP
    if (host && file)
	done (0);
#endif	POP

/*  */

#ifdef	POP
    if (host == NULL)
#endif	POP
    if (trnflag) {
	if (stat (newmail, &st) != NOTOK && s1.st_mtime != st.st_mtime)
	    advise (NULLCP, "new messages have arrived!\007");
	else {
	    if ((i = creat (newmail, 0600)) != NOTOK)
		(void) close (i);
	    else
		admonish (newmail, "error zero'ing");
	    (void) unlink (map_name (newmail));
	}
    }
    else
	if (noisy)
	    printf ("%s not zero'd\n", newmail);

    if (msgnum == hghnum)
	admonish (NULLCP, "no messages incorporated");
    else {
	m_replace (pfolder, folder);
	if (chgflag)
	    mp -> curmsg = hghnum + 1;
	mp -> hghmsg = msgnum;
	if (mp -> lowmsg == 0)
	    mp -> lowmsg = 1;
	if (chgflag)		/* sigh... */
	    m_setcur (mp, mp -> curmsg);
    }

#ifdef	POP
    if (host == NULL)
#endif	POP
    if (locked)
	(void) lkfclose (in, newmail);
    else
	(void) fclose (in);

    m_setvis (mp, 0);
    m_sync (mp);
    m_update ();

#ifdef	TMA
    if (decflag && mp -> numsel > 0) {
	if (noisy) {
	    printf ("\nIncorporating encrypted mail into %s...\n\n", folder);
	    (void) fflush (stdout);
	}

	tmastart (0);
	for (msgnum = mp -> lowsel; msgnum <= mp -> hghsel; msgnum++)
	    if (mp -> msgstats[msgnum] & SELECTED && decipher (msgnum) == OK) {
		if ((in = fopen (cp = m_name (msgnum), "r")) == NULL) {
		    admonish (cp, "unable to open message");
		    free (cp);
		    continue;
		}
		switch (scan (in, msgnum, 0, nfs, width,
			msgnum == mp -> curmsg,
			0,
			fstat (fileno (in), &st) != NOTOK ? (long) st.st_size
			    : 0L,
			noisy)) {
		    case SCNEOF: 
			printf ("%*d  empty\n", DMAXFOLDER, msgnum);
			break;

		    default: 
			break;
		}
		(void) fclose (in);
		free (cp);
	    }
	tmastop ();

	if (noisy)
	    (void) fflush (stdout);
    }
#endif	TMA

    done (0);
}

/*  */

#ifdef	POP
void	done (status)
int	status;
{
    if (file && pd != NOTOK)
	(void) mbx_close (file, pd);

    exit (status);
}
#endif	POP
/*  */

#ifdef MF
get_uucp_mail () {
    int     child_id;
    char    buffer[BUFSIZ];
    struct stat st;

    (void) sprintf (buffer, "%s/%s", UUCPDIR, UUCPFIL);
    if (stat (buffer, &st) == NOTOK || st.st_size == 0)
	return;

    switch (child_id = vfork ()) {
	case NOTOK: 
	    admonish ("fork", "unable to");
	    break;

	case OK: 
	    execlp (umincproc, r1bindex (umincproc, '/'), NULLCP);
	    fprintf (stderr, "unable to exec ");
	    perror (umincproc);
	    _exit (-1);

	default: 
	    (void) pidXwait (child_id, umincproc);
	    break;
    }
}
#endif	MF

/*  */

#ifdef	POP
static int  pop_action (s)
register char *s;
{
    fprintf (pf, "%s\n", s);
    stop += strlen (s) + 1;
}


static int  pop_pack (s)
register char *s;
{
    register int    j;
    char    buffer[BUFSIZ];

    (void) sprintf (buffer, "%s\n", s);
    for (j = 0; (j = stringdex (mmdlm1, buffer)) >= 0; buffer[j]++)
	continue;
    for (j = 0; (j = stringdex (mmdlm2, buffer)) >= 0; buffer[j]++)
	continue;
    fputs (buffer, pf);
    size += strlen (buffer) + 1;
}

static int  map_count () {
    int     md;
    char   *cp;
    struct drop d;
    struct stat st;

    if (stat (file, &st) == NOTOK)
	return 0;
    if ((md = open (cp = map_name (file), 0)) == NOTOK
	    || map_chk (cp, md, &d, (long) st.st_size, 1)) {
	if (md != NOTOK)
	    (void) close (md);
	return 0;
    }
    (void) close (md);
    return (d.d_id);
}
#endif	POP