570 lines
14 KiB
C
570 lines
14 KiB
C
/*****************************************************************************
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*
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* $Id: m_route.c,v 1.13 2008/02/28 22:05:14 mbse Exp $
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* Purpose ...............: Routing Setup
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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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* MB 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 MB 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 "screen.h"
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#include "mutil.h"
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#include "ledit.h"
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#include "stlist.h"
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#include "m_global.h"
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#include "grlist.h"
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#include "m_node.h"
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#include "m_route.h"
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int RouteUpdated = 0;
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/*
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* Count nr of route records in the database.
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* Creates the database if it doesn't exist.
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*/
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int CountRoute(void)
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{
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FILE *fil;
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char *ffile;
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int count;
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ffile = calloc(PATH_MAX, sizeof(char));
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snprintf(ffile, PATH_MAX, "%s/etc/route.data", getenv("MBSE_ROOT"));
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if ((fil = fopen(ffile, "r")) == NULL) {
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if ((fil = fopen(ffile, "a+")) != NULL) {
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Syslog('+', "Created new %s", ffile);
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routehdr.hdrsize = sizeof(routehdr);
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routehdr.recsize = sizeof(route);
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fwrite(&routehdr, sizeof(routehdr), 1, fil);
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fclose(fil);
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chmod(ffile, 0640);
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free(ffile);
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return 0;
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} else {
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free(ffile);
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return -1;
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}
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}
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fread(&routehdr, sizeof(routehdr), 1, fil);
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fseek(fil, 0, SEEK_END);
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count = (ftell(fil) - routehdr.hdrsize) / routehdr.recsize;
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fclose(fil);
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free(ffile);
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return count;
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}
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/*
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* Open database for editing. The datafile is copied, if the format
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* is changed it will be converted on the fly. All editing must be
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* done on the copied file.
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*/
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int OpenRoute(void)
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{
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FILE *fin, *fout;
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char *fnin, *fnout;
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int oldsize;
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fnin = calloc(PATH_MAX, sizeof(char));
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fnout = calloc(PATH_MAX, sizeof(char));
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snprintf(fnin, PATH_MAX, "%s/etc/route.data", getenv("MBSE_ROOT"));
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snprintf(fnout, PATH_MAX, "%s/etc/route.temp", getenv("MBSE_ROOT"));
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if ((fin = fopen(fnin, "r")) != NULL) {
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if ((fout = fopen(fnout, "w")) != NULL) {
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fread(&routehdr, sizeof(routehdr), 1, fin);
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/*
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* In case we are automatic upgrading the data format
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* we save the old format. If it is changed, the
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* database must always be updated.
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*/
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oldsize = routehdr.recsize;
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if (oldsize != sizeof(route)) {
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Syslog('+', "Updated %s, format changed", fnin);
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RouteUpdated = 1;
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} else
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RouteUpdated = 0;
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routehdr.hdrsize = sizeof(routehdr);
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routehdr.recsize = sizeof(route);
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fwrite(&routehdr, sizeof(routehdr), 1, fout);
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/*
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* The datarecord is filled with zero's before each
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* read, so if the format changed, the new fields
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* will be empty.
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*/
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memset(&route, 0, sizeof(route));
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while (fread(&route, oldsize, 1, fin) == 1) {
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fwrite(&route, sizeof(route), 1, fout);
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memset(&route, 0, sizeof(route));
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}
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fclose(fin);
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fclose(fout);
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free(fnin);
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free(fnout);
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return 0;
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} else
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return -1;
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}
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return -1;
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}
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/*
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* Update route database and sort it. Sorting is important
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* because the routelist is processed top-down, the first
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* match counts.
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*/
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void CloseRoute(int force)
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{
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char *fin, *fout;
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FILE *fi, *fo;
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st_list *new = NULL, *tmp;
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fin = calloc(PATH_MAX, sizeof(char));
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fout = calloc(PATH_MAX, sizeof(char));
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snprintf(fin, PATH_MAX, "%s/etc/route.data", getenv("MBSE_ROOT"));
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snprintf(fout, PATH_MAX, "%s/etc/route.temp", getenv("MBSE_ROOT"));
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if (RouteUpdated == 1) {
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if (force || (yes_no((char *)"Database is changed, save changes") == 1)) {
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working(1, 0, 0);
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fi = fopen(fout, "r");
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fo = fopen(fin, "w");
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fread(&routehdr, routehdr.hdrsize, 1, fi);
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fwrite(&routehdr, routehdr.hdrsize, 1, fo);
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while (fread(&route, routehdr.recsize, 1, fi) == 1) {
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if (!route.Deleted) {
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fill_stlist(&new, route.mask, ftell(fi) - routehdr.recsize);
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}
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}
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sort_stlist(&new);
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for (tmp = new; tmp; tmp = tmp->next) {
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fseek(fi, tmp->pos, SEEK_SET);
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fread(&route, routehdr.recsize, 1, fi);
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fwrite(&route, routehdr.recsize, 1, fo);
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}
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fclose(fi);
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fclose(fo);
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tidy_stlist(&new);
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unlink(fout);
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chmod(fin, 0640);
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Syslog('+', "Updated \"route.data\"");
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free(fin);
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free(fout);
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if (!force)
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working(6, 0, 0);
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return;
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}
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}
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chmod(fin, 0640);
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unlink(fout);
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free(fin);
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free(fout);
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}
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int AppendRoute(void)
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{
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FILE *fil;
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char *ffile;
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ffile = calloc(PATH_MAX, sizeof(char));
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snprintf(ffile, PATH_MAX, "%s/etc/route.temp", getenv("MBSE_ROOT"));
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if ((fil = fopen(ffile, "a")) != NULL) {
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memset(&route, 0, sizeof(route));
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/*
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* Fill in default values
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*/
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route.routetype = R_NOROUTE;
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fwrite(&route, sizeof(route), 1, fil);
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fclose(fil);
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RouteUpdated = 1;
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free(ffile);
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return 0;
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}
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free(ffile);
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return -1;
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}
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#define RCHARS "All:/.0123456789"
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/*
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* Check syntax of entered routing mask.
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*/
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int RouteSyntax(char *);
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int RouteSyntax(char *s)
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{
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char *str, *p;
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if (strspn(s, RCHARS) != strlen(s))
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return FALSE;
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str = xstrcpy(s);
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if ((p = strchr(str, ':'))) {
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*(p++) = '\0';
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if (strspn(str, "0123456789") != strlen(str)) {
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if (strcmp(str, "All"))
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return FALSE;
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} else if (strlen(p) == 0)
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return FALSE;
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str = p;
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} else {
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if (strcmp(str, "All"))
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return FALSE;
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}
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if ((p = strchr(str, '/'))) {
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*(p++) = '\0';
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if (strspn(str, "0123456789") != strlen(str)) {
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if (strcmp(str, "All"))
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return FALSE;
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} else if (strlen(p) == 0)
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return FALSE;
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str = p;
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} else {
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if (strcmp(str, "All"))
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return FALSE;
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}
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if ((p = strchr(str, '.'))) {
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*(p++) = '\0';
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if (strspn(str, "0123456789") != strlen(str)) {
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if (strcmp(str, "All"))
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return FALSE;
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} if (strlen(p) == 0)
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return FALSE;
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str = p;
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} else {
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if (strspn(str, "0123456789") != strlen(str)) {
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if (strcmp(str, "All"))
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return FALSE;
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}
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str = NULL;
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}
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return TRUE;
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}
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void RouteScreen(void)
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{
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clr_index();
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set_color(WHITE, BLACK);
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mbse_mvprintw( 5, 5, "19. EDIT ROUTING TABLE");
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set_color(CYAN, BLACK);
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mbse_mvprintw( 7, 5, "1. Mask");
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// mbse_mvprintw( 8, 5, "2. Src name");
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mbse_mvprintw( 9, 5, "3. Action");
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mbse_mvprintw(10, 5, "4. Dest addr");
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// mbse_mvprintw(11, 5, "5. Dest name");
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mbse_mvprintw(12, 5, "6. Active");
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mbse_mvprintw(13, 5, "7. Deleted");
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}
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/*
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* Edit one record, return -1 if record doesn't exist, 0 if ok.
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*/
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int EditRouteRec(int Area)
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{
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FILE *fil;
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char *mfile, newmask[25];
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int offset;
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unsigned int crc, crc1;
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int i;
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clr_index();
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working(1, 0, 0);
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IsDoing("Edit Route");
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mfile = calloc(PATH_MAX, sizeof(char));
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snprintf(mfile, PATH_MAX, "%s/etc/route.temp", getenv("MBSE_ROOT"));
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if ((fil = fopen(mfile, "r")) == NULL) {
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working(2, 0, 0);
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free(mfile);
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return -1;
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}
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fread(&routehdr, sizeof(routehdr), 1, fil);
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offset = routehdr.hdrsize + ((Area -1) * routehdr.recsize);
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if (fseek(fil, offset, 0) != 0) {
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working(2, 0, 0);
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free(mfile);
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return -1;
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}
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fread(&route, routehdr.recsize, 1, fil);
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fclose(fil);
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crc = 0xffffffff;
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crc = upd_crc32((char *)&route, crc, routehdr.recsize);
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RouteScreen();
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for (;;) {
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set_color(WHITE, BLACK);
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show_str( 7,20,24, route.mask);
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show_str( 8,20,36, route.sname);
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show_routetype(9,20, route.routetype);
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show_str( 10,20,35, aka2str(route.dest));
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show_str( 11,20,35, route.dname);
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show_bool(12,20, route.Active);
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show_bool(13,20, route.Deleted);
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switch(select_menu(7)) {
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case 0: crc1 = 0xffffffff;
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crc1 = upd_crc32((char *)&route, crc1, routehdr.recsize);
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if (crc != crc1) {
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if (yes_no((char *)"Record is changed, save") == 1) {
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working(1, 0, 0);
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if ((fil = fopen(mfile, "r+")) == NULL) {
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working(2, 0, 0);
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free(mfile);
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return -1;
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}
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fseek(fil, offset, 0);
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fwrite(&route, routehdr.recsize, 1, fil);
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fclose(fil);
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RouteUpdated = 1;
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working(6, 0, 0);
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}
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}
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free(mfile);
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IsDoing("Browsing Menu");
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return 0;
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case 1: strcpy(newmask, edit_str( 7,20,24, route.mask,
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(char *)"The ^routing mask^ to match, ie: ^1:All^, ^2:280/All^, ^2:280/28^"));
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/*
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* First make all chars in the right case, the only allowed word is "All".
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*/
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for (i = 0; i < strlen(newmask); i++) {
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if (newmask[i] == 'a')
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newmask[i] = 'A';
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if (newmask[i] == 'L')
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newmask[i] = 'l';
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}
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if (RouteSyntax(newmask)) {
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if (strlen(newmask) && !strlen(route.mask))
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route.Active = TRUE;
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strcpy(route.mask, newmask);
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} else
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errmsg("Syntax error");
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break;
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// case 2: E_STR( 8,20,36, route.sname, "The additional ^source username^ to add to the match");
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case 3: route.routetype = edit_routetype(9,20, route.routetype);
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break;
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case 4: route.dest = PullUplink((char *)"19.4");
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RouteScreen();
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break;
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// case 5: E_STR( 11,20,36, route.dname, "The ^destination name^ if needed");
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case 6: E_BOOL(12,20, route.Active, "If this route is ^active^");
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case 7: E_BOOL(13,20, route.Deleted, "If this route must be ^deleted^");
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}
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}
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}
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void EditRoute(void)
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{
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int records, i, o, x, y;
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char pick[12], *temp;
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FILE *fil;
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int offset;
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clr_index();
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working(1, 0, 0);
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IsDoing("Browsing Menu");
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if (config_read() == -1) {
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working(2, 0, 0);
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return;
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}
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records = CountRoute();
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if (records == -1) {
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working(2, 0, 0);
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return;
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}
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if (OpenRoute() == -1) {
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working(2, 0, 0);
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return;
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}
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o = 0;
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temp = calloc(PATH_MAX, sizeof(char));
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for (;;) {
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clr_index();
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set_color(WHITE, BLACK);
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mbse_mvprintw( 5, 4, "19. ROUTING TABLE");
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set_color(CYAN, BLACK);
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if (records != 0) {
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snprintf(temp, PATH_MAX, "%s/etc/route.temp", getenv("MBSE_ROOT"));
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working(1, 0, 0);
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if ((fil = fopen(temp, "r")) != NULL) {
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fread(&routehdr, sizeof(routehdr), 1, fil);
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x = 2;
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y = 7;
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set_color(CYAN, BLACK);
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for (i = 1; i <= 10; i++) {
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if ((o + i) <= records) {
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offset = sizeof(routehdr) + (((o + i) - 1) * routehdr.recsize);
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fseek(fil, offset, 0);
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fread(&route, routehdr.recsize, 1, fil);
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if (route.Deleted)
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set_color(LIGHTRED, BLACK);
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else if (route.Active)
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set_color(CYAN, BLACK);
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else
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set_color(LIGHTBLUE, BLACK);
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snprintf(temp, 81, "%3d. %-25s %s %s", o + i, route.mask, get_routetype(route.routetype), aka2str(route.dest));
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// temp[37] = 0;
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mbse_mvprintw(y, x, temp);
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y++;
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}
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}
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fclose(fil);
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}
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}
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strcpy(pick, select_record(records, 10));
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if (strncmp(pick, "-", 1) == 0) {
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CloseRoute(FALSE);
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free(temp);
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return;
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}
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if (strncmp(pick, "A", 1) == 0) {
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working(1, 0, 0);
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if (AppendRoute() == 0) {
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records++;
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working(1, 0, 0);
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} else
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working(2, 0, 0);
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}
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if (strncmp(pick, "N", 1) == 0)
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if ((o + 10) < records)
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o = o + 10;
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if (strncmp(pick, "P", 1) == 0)
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if ((o - 10) >= 0)
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o = o - 10;
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if ((atoi(pick) >= 1) && (atoi(pick) <= records)) {
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EditRouteRec(atoi(pick));
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o = ((atoi(pick) - 1) / 10) * 10;
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}
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}
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}
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void InitRoute(void)
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{
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CountRoute();
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OpenRoute();
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CloseRoute(TRUE);
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}
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int route_doc(FILE *fp, FILE *toc, int page)
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{
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char *temp;
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FILE *wp, *no;
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int j;
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temp = calloc(PATH_MAX, sizeof(char));
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snprintf(temp, PATH_MAX, "%s/etc/route.data", getenv("MBSE_ROOT"));
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if ((no = fopen(temp, "r")) == NULL) {
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free(temp);
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return page;
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}
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page = newpage(fp, page);
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addtoc(fp, toc, 19, 0, page, (char *)"Routing table");
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j = 1;
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fprintf(fp, "\n\n");
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fread(&routehdr, sizeof(routehdr), 1, no);
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wp = open_webdoc((char *)"route.html", (char *)"Netmail Routing", NULL);
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fprintf(wp, "<A HREF=\"index.html\">Main</A>\n");
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fprintf(wp, "<UL>\n");
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fprintf(wp, "<TABLE width='600' border='0' cellspacing='0' cellpadding='2'>\n");
|
|
fprintf(wp, "<TBODY>\n");
|
|
fprintf(wp, "<TR><TH align='left'>Route mask</TH><TH align='left'>Src username</TH><TH align='left'>Action</TH>");
|
|
fprintf(wp, "<TH align='left'>Destination</TH><TH align='left'>Dest username</TH><TH align='left'>Active</TH></TR>\n");
|
|
|
|
while ((fread(&route, routehdr.recsize, 1, no)) == 1) {
|
|
|
|
if (j == 7) {
|
|
page = newpage(fp, page);
|
|
fprintf(fp, "\n");
|
|
j = 0;
|
|
}
|
|
|
|
fprintf(wp, "<TR><TD>%s</TD><TD>%s</TD><TD>%s</TD><TD>%s</TD><TD>%s</TD><TD>%s</TD></TR>\n",
|
|
route.mask, route.sname, get_routetype(route.routetype),
|
|
aka2str(route.dest), route.dname, getboolean(route.Active));
|
|
fprintf(fp, " Route mask %s\n", route.mask);
|
|
fprintf(fp, " Src username %s\n", route.sname);
|
|
fprintf(fp, " Route action %s\n", get_routetype(route.routetype));
|
|
fprintf(fp, " Destination %s\n", aka2str(route.dest));
|
|
fprintf(fp, " Dest username %s\n", route.dname);
|
|
fprintf(fp, " Active %s\n", getboolean(route.Active));
|
|
fprintf(fp, "\n\n");
|
|
j++;
|
|
}
|
|
|
|
fprintf(wp, "</TBODY>\n");
|
|
fprintf(wp, "</TABLE>\n");
|
|
close_webdoc(wp);
|
|
fclose(no);
|
|
free(temp);
|
|
return page;
|
|
}
|
|
|
|
|