Пример #1
0
/*----------------------------------------------------------------------
   Handle fetching and filtering a text message segment to be displayed
   by scrolltool or printed or exported or piped.

Args: att   -- segment to fetch
      msgno -- message number segment is a part of
      pc    -- function to write characters from segment with
      style -- Indicates special handling for error messages
      flags -- Indicates special necessary handling

Returns: 1 if errors encountered, 0 if everything went A-OK

 ----*/     
int
decode_text(ATTACH_S	    *att,
	    long int	     msgno,
	    gf_io_t	     pc,
	    HANDLE_S	   **handlesp,
	    DetachErrStyle   style,
	    int		     flags)
{
    FILTLIST_S	filters[14];
    char       *err, *charset;
    int		filtcnt = 0, error_found = 0, column, wrapit;
    int         is_in_sig = OUT_SIG_BLOCK;
    int         is_flowed_msg = 0, add_me = 1, doraw = RAWSTRING;
    int         is_delsp_yes = 0;
    int         filt_only_c0 = 0;
    char       *parmval;
    char       *free_this = NULL;
    STORE_S    *warn_so = NULL;
    DELQ_S      dq;
    URL_HILITE_S uh;

    column = (flags & FM_DISPLAY) ? ps_global->ttyo->screen_cols : 80;

    if(!(flags & FM_DISPLAY))
      flags |= FM_NOINDENT;

    wrapit = column;

    memset(filters, 0, sizeof(filters));

    /* charset the body part is in */
    charset = parameter_val(att->body->parameter, "charset");

    /* determined if it's flowed, affects wrapping and quote coloring */
    if(att->body->type == TYPETEXT
       && !strucmp(att->body->subtype, "plain")
       && (parmval = parameter_val(att->body->parameter, "format"))){
	if(!strucmp(parmval, "flowed"))
	  is_flowed_msg = 1;
	fs_give((void **) &parmval);

	if(is_flowed_msg){
	    if((parmval = parameter_val(att->body->parameter, "delsp")) != NULL){
		if(!strucmp(parmval, "yes"))
		  is_delsp_yes = 1;

		fs_give((void **) &parmval);
	    }
	}
    }

    if(!ps_global->pass_ctrl_chars){
	filters[filtcnt++].filter = gf_escape_filter;
	filters[filtcnt].filter = gf_control_filter;

	filt_only_c0 = 1;
	filters[filtcnt++].data = gf_control_filter_opt(&filt_only_c0);
    }

    if(flags & FM_DISPLAY)
      filters[filtcnt++].filter = gf_tag_filter;

    /*
     * if it's just plain old text, look for url's
     */
    if(!(att->body->subtype && strucmp(att->body->subtype, "plain"))){
	struct variable *vars = ps_global->vars;

	if((F_ON(F_VIEW_SEL_URL, ps_global)
	    || F_ON(F_VIEW_SEL_URL_HOST, ps_global)
	    || F_ON(F_SCAN_ADDR, ps_global))
	   && handlesp){

	    /*
	     * The url_hilite filter really ought to come
	     * after flowing, because flowing with the DelSp=yes parameter
	     * can reassemble broken urls back into identifiable urls.
	     * We add the preflow filter to do only the reassembly part
	     * of the flowing so that we can spot the urls.
	     * At this time (2005-03-29) we know that Apple Mail does
	     * send mail like this sometimes. This filter removes the
	     * sequence  SP CRLF  if that seems safe.
	     */
	    if(ps_global->full_header != 2 && is_delsp_yes)
              filters[filtcnt++].filter = gf_preflow;

	    filters[filtcnt].filter = gf_line_test;
	    filters[filtcnt++].data = gf_line_test_opt(url_hilite,
						       gf_url_hilite_opt(&uh,handlesp,0));
	}

	if((flags & FM_DISPLAY)
           && !(flags & FM_NOCOLOR)
           && pico_usingcolor()
           && VAR_SPECIAL_TEXT_FORE_COLOR 
           && VAR_SPECIAL_TEXT_BACK_COLOR){
            filters[filtcnt].filter = gf_line_test;
            filters[filtcnt++].data = gf_line_test_opt(color_this_text, NULL);
        }

	/*
	 * First, paint the signature.
	 * Disclaimers noted below for coloring quotes apply here as well.
	 */
	if((flags & FM_DISPLAY)
	   && !(flags & FM_NOCOLOR)
	   && pico_usingcolor()
	   && VAR_SIGNATURE_FORE_COLOR
	   && VAR_SIGNATURE_BACK_COLOR){
	    filters[filtcnt].filter = gf_quote_test;
	    filters[filtcnt++].data = gf_line_test_opt(color_signature,
						       &is_in_sig);
	}

	/*
	 * Gotta be careful with this. The color_a_quote filter adds color
	 * to the beginning and end of the line. This will break some
	 * line_test-style filters which come after it. For example, if they
	 * are looking for something at the start of a line (like color_a_quote
	 * itself). I guess we could fix that by ignoring tags at the
	 * beginning of the line when doing the search.
	 */
	if((flags & FM_DISPLAY)
	   && !(flags & FM_NOCOLOR)
	   && pico_usingcolor()
	   && VAR_QUOTE1_FORE_COLOR
	   && VAR_QUOTE1_BACK_COLOR){
	    add_me = 0;
	    filters[filtcnt].filter = gf_quote_test;
	    filters[filtcnt++].data = gf_line_test_opt(color_a_quote, &is_flowed_msg);
	}
    }
    else if(!strucmp(att->body->subtype, "richtext")){
	int plain_opt;

	plain_opt = !(flags&FM_DISPLAY);

	/* maybe strip everything! */
	filters[filtcnt].filter = gf_rich2plain;
	filters[filtcnt++].data = gf_rich2plain_opt(&plain_opt);
	/* width to use for file or printer */
	if(wrapit - 5 > 0)
	  wrapit -= 5;
    }
    else if(!strucmp(att->body->subtype, "enriched")){
	int plain_opt;

	plain_opt = !(flags&FM_DISPLAY);

	filters[filtcnt].filter = gf_enriched2plain;
	filters[filtcnt++].data = gf_enriched2plain_opt(&plain_opt);
	/* width to use for file or printer */
	if(wrapit - 5 > 0)
	  wrapit -= 5;
    }
    else if(!strucmp(att->body->subtype, "html") && ps_global->full_header < 2){
/*BUG:	    sniff the params for "version=2.0" ala draft-ietf-html-spec-01 */
	int	 opts = 0;

	clear_html_risk();

	if(flags & FM_DISPLAY){
	    gf_io_t	 warn_pc;

	    if(handlesp){		/* pass on handles awareness */
		opts |= GFHP_HANDLES;

		if(F_OFF(F_QUELL_HOST_AFTER_URL, ps_global) && !(flags & FM_HIDESERVER))
		  opts |= GFHP_SHOW_SERVER;
	    }

	    if(!(flags & FM_NOEDITORIAL)){
		warn_so = so_get(CharStar, NULL, EDIT_ACCESS);
		gf_set_so_writec(&warn_pc, warn_so);
		format_editorial(HTML_WARNING, column, flags, handlesp, warn_pc);
		gf_clear_so_writec(warn_so);
		so_puts(warn_so, "\015\012");
		so_writec('\0', warn_so);
	    }
	}
	else
	  opts |= GFHP_STRIPPED;	/* don't embed anything! */

	if(flags & FM_NOHTMLREL)
	  opts |= GFHP_NO_RELATIVE;

	if(flags & FM_HTMLRELATED)
	  opts |= GFHP_RELATED_CONTENT;

	if(flags & FM_HTML)
	  opts |= GFHP_HTML;

	if(flags & FM_HTMLIMAGES)
	  opts |= GFHP_HTML_IMAGES;

	wrapit = 0;		/* wrap already handled! */
	filters[filtcnt].filter = gf_html2plain;
	filters[filtcnt++].data = gf_html2plain_opt(NULL, column,
						    (flags & (FM_NOINDENT | FM_HTML))
						      ? 0
						      : format_view_margin(),
						    handlesp, set_html_risk, opts);

	if(warn_so){
	    filters[filtcnt].filter = gf_prepend_editorial;
	    filters[filtcnt++].data = gf_prepend_editorial_opt(get_html_risk,
							       (char *) so_text(warn_so));
	}
    }

    if (add_me){
      filters[filtcnt].filter = gf_quote_test;
      filters[filtcnt++].data = gf_line_test_opt(select_quote, &doraw);
    }

    /*
     * If the message is not flowed, we do the quote suppression before
     * the wrapping, because the wrapping does not preserve the quote
     * characters at the beginnings of the lines in that case.
     * Otherwise, we defer until after the wrapping.
     *
     * Also, this is a good place to do quote-replacement on nonflowed
     * messages because no other filters depend on the "> ".
     * Quote-replacement is easier in the flowed case and occurs
     * automatically in the flowed wrapping filter.
     */
    if(!is_flowed_msg
       && ps_global->full_header == 0
       && !(att->body->subtype && strucmp(att->body->subtype, "plain"))
       && (flags & FM_DISPLAY)){
	if(ps_global->quote_suppression_threshold != 0){
	    memset(&dq, 0, sizeof(dq));
	    dq.lines = ps_global->quote_suppression_threshold;
	    dq.is_flowed = is_flowed_msg;
	    dq.indent_length = 0;		/* indent didn't happen yet */
	    dq.saved_line = &free_this;
	    dq.handlesp   = handlesp;
	    dq.do_color   = (!(flags & FM_NOCOLOR) && pico_usingcolor());

	    filters[filtcnt].filter = gf_quote_test;
	    filters[filtcnt++].data = gf_line_test_opt(delete_quotes, &dq);
	}
	if(ps_global->VAR_QUOTE_REPLACE_STRING
	    && F_ON(F_QUOTE_REPLACE_NOFLOW, ps_global)){
	    filters[filtcnt].filter = gf_line_test;
	    filters[filtcnt++].data = gf_line_test_opt(replace_quotes, NULL);
	}
    }

    if(wrapit && !(flags & FM_NOWRAP)){
	int wrapflags = (flags & FM_DISPLAY) ? (GFW_HANDLES|GFW_SOFTHYPHEN)
					     : GFW_NONE;

	if(flags & FM_DISPLAY
	   && !(flags & FM_NOCOLOR)
	   && pico_usingcolor())
	  wrapflags |= GFW_USECOLOR;

	/* text/flowed (RFC 2646 + draft)? */
	if(ps_global->full_header != 2 && is_flowed_msg){
	    wrapflags |= GFW_FLOWED;

	    if(is_delsp_yes)
	      wrapflags |= GFW_DELSP;
	}

	filters[filtcnt].filter = gf_wrap;
	filters[filtcnt++].data = gf_wrap_filter_opt(wrapit, column,
						     (flags & FM_NOINDENT)
						       ? 0
						       : format_view_margin(),
						     0, wrapflags);
    }

    /*
     * This has to come after wrapping has happened because the user tells
     * us how many quoted lines to display, and we want that number to be
     * the wrapped lines, not the pre-wrapped lines. We do it before the
     * wrapping if the message is not flowed, because the wrapping does not
     * preserve the quote characters at the beginnings of the lines in that
     * case.
     */
    if(is_flowed_msg
       && ps_global->full_header == 0
       && !(att->body->subtype && strucmp(att->body->subtype, "plain"))
       && (flags & FM_DISPLAY)
       && ps_global->quote_suppression_threshold != 0){
	memset(&dq, 0, sizeof(dq));
	dq.lines = ps_global->quote_suppression_threshold;
	dq.is_flowed = is_flowed_msg;
	dq.indent_length = (wrapit && !(flags & FM_NOWRAP)
			    && !(flags & FM_NOINDENT))
			       ? format_view_margin()[0]
			       : 0;
	dq.saved_line = &free_this;
	dq.handlesp   = handlesp;
	dq.do_color   = (!(flags & FM_NOCOLOR) && pico_usingcolor());

	filters[filtcnt].filter = gf_quote_test;
	filters[filtcnt++].data = gf_line_test_opt(delete_quotes, &dq);
    }

    if(charset){
	if(F_OFF(F_QUELL_CHARSET_WARNING, ps_global)
	   && !(flags & FM_NOEDITORIAL)){
	    int rv = TRUE;
	    CONV_TABLE *ct = NULL;

	    /*
	     * Need editorial if message charset is not ascii
	     * and the display charset is not either the same
	     * as the message charset or UTF-8.
	     */
	    if(strucmp(charset, "us-ascii")
	       && !((ps_global->display_charmap
		     && !strucmp(charset, ps_global->display_charmap))
	            || !strucmp("UTF-8", ps_global->display_charmap))){

		/*
		 * This is probably overkill. We're just using this
		 * conversion_table routine to get at the quality.
		 */
		if(ps_global->display_charmap)
		  ct = conversion_table(charset, ps_global->display_charmap);

		rv = charset_editorial(charset, msgno, handlesp, flags,
				       ct ? ct->quality : CV_NO_TRANSLATE_POSSIBLE,
				       column, pc);
	    }
	    if(!rv)
	      goto write_error;
	}

	fs_give((void **) &charset);
    }

    /* Format editorial comment about unknown encoding */
    if(att->body->encoding > ENCQUOTEDPRINTABLE){
	char buf[2048];

	snprintf(buf, sizeof(buf), ENCODING_DISCLAIMER, body_encodings[att->body->encoding]);

	if(!(format_editorial(buf, column, flags, handlesp, pc) == NULL
	     && gf_puts(NEWLINE, pc) && gf_puts(NEWLINE, pc)))
	  goto write_error;
    }

    err = detach(ps_global->mail_stream, msgno, att->number, 0L,
		 NULL, pc, filtcnt ? filters : NULL, 0);
    
    delete_unused_handles(handlesp);
    
    if(free_this)
      fs_give((void **) &free_this);

    if(warn_so)
      so_give(&warn_so);
    
    if(err) {
	error_found++;
	if(style == QStatus) {
	    q_status_message1(SM_ORDER, 3, 4, "%.200s", err);
	} else if(style == InLine) {
	    char buftmp[MAILTMPLEN];

	    snprintf(buftmp, sizeof(buftmp), "%s",
		    att->body->description ? att->body->description : "");
	    snprintf(tmp_20k_buf, SIZEOF_20KBUF, "%s   [Error: %s]  %c%s%c%s%s",
		    NEWLINE, err,
		    att->body->description ? '\"' : ' ',
		    att->body->description ? buftmp : "",
		    att->body->description ? '\"' : ' ',
		    NEWLINE, NEWLINE);
	    if(!gf_puts(tmp_20k_buf, pc))
	      goto write_error;
	}
    }

    if(att->body->subtype
       && (!strucmp(att->body->subtype, "richtext")
	   || !strucmp(att->body->subtype, "enriched"))
       && !(flags & FM_DISPLAY)){
	if(!gf_puts(NEWLINE, pc) || !gf_puts(NEWLINE, pc))
	  goto write_error;
    }

    return(error_found);

  write_error:
    if(style == QStatus)
      q_status_message1(SM_ORDER, 3, 4, "Error writing message: %.200s", 
			error_description(errno));

    return(1);
}
Пример #2
0
int
rd_prompt_about_forged_remote_data(int reason, REMDATA_S *rd, char *extra)
{
    char      tmp[2000];
    char     *unknown = "<unknown>";
    int       rv = -1;
    char *foldertype, *foldername, *special;

    foldertype = (rd && rd->t.i.special_hdr && !strucmp(rd->t.i.special_hdr, REMOTE_ABOOK_SUBTYPE)) ? "address book" : (rd && rd->t.i.special_hdr && !strucmp(rd->t.i.special_hdr, REMOTE_PINERC_SUBTYPE)) ? "configuration" : "data";
    foldername = (rd && rd->rn) ? rd->rn : unknown;
    special = (rd && rd->t.i.special_hdr) ? rd->t.i.special_hdr : unknown;

    dprint((1, "rd_check_out_forged_remote_data:\n"));
    dprint((1, " reason=%d\n", reason));
    dprint((1, " folder_type=%s\n", foldertype ? foldertype : "?"));
    dprint((1, " remotename=%s\n\n", foldername ? foldername : "?"));

    if(rd && rd->flags & USER_SAID_NO)
      return rv;

    if(reason == -2){
	dprint((1, "The special header \"%s\" is missing from the last message in the folder.\nThis indicates that something is wrong.\nYou should probably answer \"No\"\nso that you don't use the corrupt data.\nThen you should investigate further.\n", special ? special : "?"));
    }
    else if(reason == -1){
	dprint((1,  "The last message in the folder contains \"Received\" headers.\nThis usually indicates that the message was put there by the mail\ndelivery system. Alpine does not add those Received headers.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n"));
    }
    else if(reason == 0){
	dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (%s)\nafter it. This could indicate that something is wrong.\nThis value should not normally be put there by Alpine.\nHowever, since there are no Received lines in the message we choose to\nbelieve that everything is ok and we will proceed.\n",
		special ? special : "?", (extra && *extra) ? extra : "?"));
    }
    else if(reason == 1){
	dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (1)\nafter it. It appears that it may have been put there by an Pine\nwith a version number less than 4.50.\nSince there are no Received lines in the message we choose to believe that\nthe header was added by an old Pine and we will proceed.\n",
		special ? special : "?"));
    }
    else if(reason > 1){
	dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (%s)\nafter it. This is the right sort of value that Alpine would normally put there,\nbut it doesn't match the value from the first message in the folder.\nThis may indicate that something is wrong.\nHowever, since there are no Received lines in the message we choose to\nbelieve that everything is ok and we will proceed.\n",
		special ? special : "?", (extra && *extra) ? extra : "?"));
    }

    if(reason >= 0){
	/*
	 * This check should not really be here. We have a cookie that
	 * has the wrong value so something is possibly wrong.
	 * But we are worried that old pines will put the bad value in
	 * there (which they will) and then the questions will bother
	 * users and mystify them. So we're just going to pretend the user
	 * said Yes in this case, and we'll try to fix the cookie.
	 * We still catch Received lines and use that or the complete absence
	 * of a special header as indicators of trouble.
	 */
	rd->flags |= USER_SAID_YES;
	return(1);
    }

    if(ps_global->ttyo){
	SCROLL_S  sargs;
	STORE_S  *in_store, *out_store;
	gf_io_t   pc, gc;
	HANDLE_S *handles = NULL;
	int       the_answer = 'n';

	if(!(in_store = so_get(CharStar, NULL, EDIT_ACCESS)) ||
	   !(out_store = so_get(CharStar, NULL, EDIT_ACCESS)))
	  goto try_wantto;

	/* TRANSLATORS: the first %s is the folder type, it may be address book or
	   configuration. The second %s is the folder name. Of course, the HTML
	   tags should be left as is. */
	snprintf(tmp, sizeof(tmp), _("<HTML><P>The data in the remote %s folder<P><CENTER>%s</CENTER><P>looks suspicious. The reason for the suspicion is<P><CENTER>"),
		foldertype, foldername);
	tmp[sizeof(tmp)-1] = '\0';
	so_puts(in_store, tmp);

	if(reason == -2){
	    snprintf(tmp, sizeof(tmp), _("header \"%s\" is missing</CENTER><P>The special header \"%s\" is missing from the last message in the folder. This indicates that something is wrong. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
		    special, special);
	    tmp[sizeof(tmp)-1] = '\0';
	    so_puts(in_store, tmp);
	}
	else if(reason == -1){
	    so_puts(in_store, _("\"Received\" headers detected</CENTER><P>The last message in the folder contains \"Received\" headers. This usually indicates that the message was put there by the mail delivery system. Alpine does not add those Received headers. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."));
	}
	else if(reason == 0){
	    snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (%s) after it. This probably indicates that something is wrong. This value would not normally be put there by Alpine. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
		    special, special, (extra && *extra) ? extra : "?");
	    tmp[sizeof(tmp)-1] = '\0';
	    so_puts(in_store, tmp);
	}
	else if(reason == 1){
	    snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (1) after it. It appears that it may have been put there by a Pine with a version number less than 4.50. If you believe that you have changed this data with an older Pine more recently than you've changed it with this version of Alpine, then you can probably safely answer \"Yes\". If you do not understand why this has happened, you should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
		    special, special);
	    tmp[sizeof(tmp)-1] = '\0';
	    so_puts(in_store, tmp);
	}
	else if(reason > 1){
	    snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (%s) after it. This is the right sort of value that Alpine would normally put there, but it doesn't match the value from the first message in the folder. This may indicate that something is wrong. Unless you understand why this has happened, you should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
		    special, special, (extra && *extra) ? extra : "?");
	    tmp[sizeof(tmp)-1] = '\0';
	    so_puts(in_store, tmp);
	}

	so_seek(in_store, 0L, 0);
	init_handles(&handles);
	gf_filter_init();
	gf_link_filter(gf_html2plain,
		       gf_html2plain_opt(NULL,
					 ps_global->ttyo->screen_cols, non_messageview_margin(),
					 &handles, NULL, GFHP_LOCAL_HANDLES));
	gf_set_so_readc(&gc, in_store);
	gf_set_so_writec(&pc, out_store);
	gf_pipe(gc, pc);
	gf_clear_so_writec(out_store);
	gf_clear_so_readc(in_store);

	memset(&sargs, 0, sizeof(SCROLL_S));
	sargs.text.handles  = handles;
	sargs.text.text     = so_text(out_store);
	sargs.text.src      = CharStar;
	sargs.bar.title     = _("REMOTE DATA FORGERY WARNING");
	sargs.proc.tool     = rd_answer_forge_warning;
	sargs.proc.data.p   = (void *)&the_answer;
	sargs.keys.menu     = &forge_keymenu;
	setbitmap(sargs.keys.bitmap);

	scrolltool(&sargs);

	if(the_answer == 'y'){
	    rv = 1;
	    rd->flags |= USER_SAID_YES;
	}
	else if(rd)
	  rd->flags |= USER_SAID_NO;

	ps_global->mangled_screen = 1;
	ps_global->painted_body_on_startup = 0;
	ps_global->painted_footer_on_startup = 0;
	so_give(&in_store);
	so_give(&out_store);
	free_handles(&handles);
    }
    else{
	char *p = tmp;

	snprintf(p, sizeof(tmp), _("\nThe data in the remote %s folder\n\n   %s\n\nlooks suspicious. The reason for the suspicion is\n\n   "),
		foldertype, foldername);
	tmp[sizeof(tmp)-1] = '\0';
	p += strlen(p);

	if(reason == -2){
	    snprintf(p, sizeof(tmp)-(p-tmp), _("header \"%s\" is missing\n\nThe special header \"%s\" is missing from the last message\nin the folder. This indicates that something is wrong.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n\n"),
		    special, special);
	    tmp[sizeof(tmp)-1] = '\0';
	}
	else if(reason == -1){
	    snprintf(p, sizeof(tmp)-(p-tmp), _("\"Received\" headers detected\n\nThe last message in the folder contains \"Received\" headers.\nThis usually indicates that the message was put there by the\nmail delivery system. Alpine does not add those Received headers.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n\n"));
	    tmp[sizeof(tmp)-1] = '\0';
	}
	else if(reason == 0){
	    snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected value (%s) after it. This probably\nindicates that something is wrong. This value would not normally be put\nthere by Alpine. You should probably answer \"No\" so that you don't use\nthe corrupt data. Then you should investigate further.\n\n"),
		    special, special, (extra && *extra) ? extra : "?");
	    tmp[sizeof(tmp)-1] = '\0';
	}
	else if(reason == 1){
	    snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected value (1) after it. It appears that it may have been\nput there by a Pine with a version number less than 4.50.\nIf you believe that you have changed this data with an older Pine more\nrecently than you've changed it with this version of Alpine, then you can\nprobably safely answer \"Yes\". If you do not understand why this has\nhappened, you should probably answer \"No\" so that you don't use the\ncorrupt data. Then you should investigate further.\n\n"),
		    special, special);
	    tmp[sizeof(tmp)-1] = '\0';
	}
	else if(reason > 1){
	    snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected\nvalue (%s) after it. This is\nthe right sort of value that Alpine would normally put there, but it\ndoesn't match the value from the first message in the folder. This may\nindicate that something is wrong. Unless you understand why this has happened,\nyou should probably answer \"No\" so that you don't use the\ncorrupt data. Then you should investigate further.\n\n"),
		    special, special, (extra && *extra) ? extra : "?");
	    tmp[sizeof(tmp)-1] = '\0';
	}

try_wantto:
	p += strlen(p);
	snprintf(p, sizeof(tmp)-(p-tmp), _("Suspicious data in \"%s\": Continue anyway "),
		(rd && rd->t.i.special_hdr) ? rd->t.i.special_hdr
					    : unknown);
	tmp[sizeof(tmp)-1] = '\0';
	if(want_to(tmp, 'n', 'x', NO_HELP, WT_NORM) == 'y'){
	    rv = 1;
	    rd->flags |= USER_SAID_YES;
	}
	else if(rd)
	  rd->flags |= USER_SAID_NO;
    }

    if(rv < 0)
      q_status_message1(SM_ORDER, 1, 3, _("Can't open remote %s"),
			(rd && rd->rn) ? rd->rn : "<noname>");

    return(rv);
}
Пример #3
0
int
rfc2231_output(STORE_S *so, char *attrib, char *value, char *specials, char *charset)
{
    int  i, line = 0, encode = 0, quote = 0;

    /*
     * scan for hibit first since encoding clue has to
     * come on first line if any parms are broken up...
     */
    for(i = 0; value && value[i]; i++)
      if(value[i] & 0x80){
	  encode++;
	  break;
      }

    for(i = 0; ; i++){
	if(!(value && value[i]) || i > 80){	/* flush! */
	    if((line++ && !so_puts(so, ";\015\012        "))
	       || !so_puts(so, attrib))
		return(0);

	    if(value){
		if(((value[i] || line > 1) /* more lines or already lines */
		    && !(so_writec('*', so)
			 && so_puts(so, int2string(line - 1))))
		   || (encode && !so_writec('*', so))
		   || !so_writec('=', so)
		   || (quote && !so_writec('\"', so))
		   || ((line == 1 && encode)
		       && !(so_puts(so, charset ? charset : UNKNOWN_CHARSET)
			     && so_puts(so, "''"))))
		  return(0);

		while(i--){
		    if(*value & 0x80){
			char tmp[3], *p;

			p = tmp;
			C2XPAIR(*value, p);
			*p = '\0';
			if(!(so_writec('%', so) && so_puts(so, tmp)))
			  return(0);
		    }
		    else if(((*value == '\\' || *value == '\"')
			     && !so_writec('\\', so))
			    || !so_writec(*value, so))
		      return(0);

		    value++;
		}

		if(quote && !so_writec('\"', so))
		  return(0);

		if(*value)			/* more? */
		  i = quote = 0;		/* reset! */
		else
		  return(1);			/* done! */
	    }
	    else
	      return(1);
	}

	if(!quote && strchr(specials, value[i]))
	  quote++;
    }
}
Пример #4
0
/*
 * dfilter - pipe the data from the given storage object thru the
 *	     global display filter and into whatever the putchar's
 *	     function points to.
 *
 *	     Input is assumed to be UTF-8.
 *	     That's converted to user's locale and passed to rawcmd.
 *	     That's converted back to UTF-8 and passed through aux_filters.
 */
char *
dfilter(char *rawcmd, STORE_S *input_so, gf_io_t output_pc, FILTLIST_S *aux_filters)
{
    char *status = NULL, *cmd, *resultf = NULL, *tmpfile = NULL;
    int   key = 0, silent = 0;

    if((cmd = expand_filter_tokens(rawcmd,NULL,&tmpfile,&resultf,NULL,&key,NULL, &silent)) != NULL){
	suspend_busy_cue();
#ifndef	_WINDOWS
	if(!silent){
	  ps_global->mangled_screen = 1;
	  ClearScreen();
	}
	fflush(stdout);
#endif

	/*
	 * If it was requested that the interaction take place via
	 * a tmpfile, fill it with text from our input_so, and let
	 * system_pipe handle the rest.  Session key and tmp file
	 * mode support additions based loosely on a patch 
	 * supplied by Thomas Stroesslin <*****@*****.**>
	 */
	if(tmpfile){
	    PIPE_S	  *filter_pipe;
	    FILE          *fp;
	    gf_io_t	   gc, pc;
	    STORE_S       *tmpf_so;

	    /* write the tmp file */
	    so_seek(input_so, 0L, 0);
	    if((tmpf_so = so_get(FileStar, tmpfile, WRITE_ACCESS|OWNER_ONLY|WRITE_TO_LOCALE)) != NULL){
	        if(key){
		    so_puts(tmpf_so, filter_session_key());
                    so_puts(tmpf_so, NEWLINE);
		}
	        /* copy input to tmp file */
		gf_set_so_readc(&gc, input_so);
		gf_set_so_writec(&pc, tmpf_so);
		gf_filter_init();
		status = gf_pipe(gc, pc);
		gf_clear_so_readc(input_so);
		gf_clear_so_writec(tmpf_so);
		if(so_give(&tmpf_so) != 0 && status == NULL)
		  status = error_description(errno);

		/* prepare the terminal in case the filter uses it */
		if(status == NULL){
		    if((filter_pipe = open_system_pipe(cmd, NULL, NULL,
						PIPE_USER | (silent ? PIPE_SILENT : 
						(F_ON(F_DISABLE_TERM_RESET_DISP, ps_global) ? 0 : PIPE_RESET)),
						      0, pipe_callback, NULL)) != NULL){
			if(close_system_pipe(&filter_pipe, NULL, pipe_callback) == 0){
			    /* pull result out of tmp file */
			    if((fp = our_fopen(tmpfile, "rb")) != NULL){
				gf_set_readc(&gc, fp, 0L, FileStar, READ_FROM_LOCALE);
				gf_filter_init();
				if(aux_filters)
				  for( ; aux_filters->filter; aux_filters++)
				    gf_link_filter(aux_filters->filter,
						   aux_filters->data);

				status = gf_pipe(gc, output_pc);
				fclose(fp);
			    }
			    else
			      status = "Can't read result of display filter";
			}
			else
			  status = "Filter command returned error.";
		    }
		    else
		      status = "Can't open pipe for display filter";
		}

		our_unlink(tmpfile);
	    }
	    else
	      status = "Can't open display filter tmp file";
	}
	else if((status = gf_filter(cmd, key ? filter_session_key() : NULL,
				   input_so, output_pc, aux_filters, silent,
				   F_ON(F_DISABLE_TERM_RESET_DISP, ps_global),
				   pipe_callback)) != NULL){
	    unsigned long ch;

	    fprintf(stdout,"\r\n%s  Hit return to continue.", status);
	    fflush(stdout);
	    while((ch = read_char(300)) != ctrl('M') && ch != NO_OP_IDLE)
	      putchar(BELL);
	}

	if(resultf){
	    if(name_file_size(resultf) > 0L)
	      display_output_file(resultf, "Filter", NULL, DOF_BRIEF);

	    fs_give((void **)&resultf);
	}

	resume_busy_cue(0);
#ifndef	_WINDOWS
	if(!silent)
	  ClearScreen();
#endif
	fs_give((void **)&cmd);
    }

    return(status);
}