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deb-mbse/mbsetup/m_route.c
Michiel Broek 2bd0f01dd9 Finished html sitedocs
2004-04-03 18:46:54 +00:00

570 lines
14 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose ...............: Routing Setup
*
*****************************************************************************
* Copyright (C) 1997-2004
*
* 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.
*
* MB 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 MB BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/mbselib.h"
#include "screen.h"
#include "mutil.h"
#include "ledit.h"
#include "stlist.h"
#include "m_global.h"
#include "grlist.h"
#include "m_node.h"
#include "m_route.h"
int RouteUpdated = 0;
/*
* Count nr of route records in the database.
* Creates the database if it doesn't exist.
*/
int CountRoute(void)
{
FILE *fil;
char *ffile;
int count;
ffile = calloc(PATH_MAX, sizeof(char));
sprintf(ffile, "%s/etc/route.data", getenv("MBSE_ROOT"));
if ((fil = fopen(ffile, "r")) == NULL) {
if ((fil = fopen(ffile, "a+")) != NULL) {
Syslog('+', "Created new %s", ffile);
routehdr.hdrsize = sizeof(routehdr);
routehdr.recsize = sizeof(route);
fwrite(&routehdr, sizeof(routehdr), 1, fil);
fclose(fil);
chmod(ffile, 0640);
free(ffile);
return 0;
} else {
free(ffile);
return -1;
}
}
fread(&routehdr, sizeof(routehdr), 1, fil);
fseek(fil, 0, SEEK_END);
count = (ftell(fil) - routehdr.hdrsize) / routehdr.recsize;
fclose(fil);
free(ffile);
return count;
}
/*
* Open database for editing. The datafile is copied, if the format
* is changed it will be converted on the fly. All editing must be
* done on the copied file.
*/
int OpenRoute(void)
{
FILE *fin, *fout;
char *fnin, *fnout;
long oldsize;
fnin = calloc(PATH_MAX, sizeof(char));
fnout = calloc(PATH_MAX, sizeof(char));
sprintf(fnin, "%s/etc/route.data", getenv("MBSE_ROOT"));
sprintf(fnout, "%s/etc/route.temp", getenv("MBSE_ROOT"));
if ((fin = fopen(fnin, "r")) != NULL) {
if ((fout = fopen(fnout, "w")) != NULL) {
fread(&routehdr, sizeof(routehdr), 1, fin);
/*
* In case we are automatic upgrading the data format
* we save the old format. If it is changed, the
* database must always be updated.
*/
oldsize = routehdr.recsize;
if (oldsize != sizeof(route)) {
Syslog('+', "Updated %s, format changed", fnin);
RouteUpdated = 1;
} else
RouteUpdated = 0;
routehdr.hdrsize = sizeof(routehdr);
routehdr.recsize = sizeof(route);
fwrite(&routehdr, sizeof(routehdr), 1, fout);
/*
* The datarecord is filled with zero's before each
* read, so if the format changed, the new fields
* will be empty.
*/
memset(&route, 0, sizeof(route));
while (fread(&route, oldsize, 1, fin) == 1) {
fwrite(&route, sizeof(route), 1, fout);
memset(&route, 0, sizeof(route));
}
fclose(fin);
fclose(fout);
free(fnin);
free(fnout);
return 0;
} else
return -1;
}
return -1;
}
/*
* Update route database and sort it. Sorting is important
* because the routelist is processed top-down, the first
* match counts.
*/
void CloseRoute(int force)
{
char *fin, *fout;
FILE *fi, *fo;
st_list *new = NULL, *tmp;
fin = calloc(PATH_MAX, sizeof(char));
fout = calloc(PATH_MAX, sizeof(char));
sprintf(fin, "%s/etc/route.data", getenv("MBSE_ROOT"));
sprintf(fout,"%s/etc/route.temp", getenv("MBSE_ROOT"));
if (RouteUpdated == 1) {
if (force || (yes_no((char *)"Database is changed, save changes") == 1)) {
working(1, 0, 0);
fi = fopen(fout, "r");
fo = fopen(fin, "w");
fread(&routehdr, routehdr.hdrsize, 1, fi);
fwrite(&routehdr, routehdr.hdrsize, 1, fo);
while (fread(&route, routehdr.recsize, 1, fi) == 1) {
if (!route.Deleted) {
fill_stlist(&new, route.mask, ftell(fi) - routehdr.recsize);
}
}
sort_stlist(&new);
for (tmp = new; tmp; tmp = tmp->next) {
fseek(fi, tmp->pos, SEEK_SET);
fread(&route, routehdr.recsize, 1, fi);
fwrite(&route, routehdr.recsize, 1, fo);
}
fclose(fi);
fclose(fo);
tidy_stlist(&new);
unlink(fout);
chmod(fin, 0640);
Syslog('+', "Updated \"route.data\"");
free(fin);
free(fout);
if (!force)
working(6, 0, 0);
return;
}
}
chmod(fin, 0640);
unlink(fout);
free(fin);
free(fout);
}
int AppendRoute(void)
{
FILE *fil;
char *ffile;
ffile = calloc(PATH_MAX, sizeof(char));
sprintf(ffile, "%s/etc/route.temp", getenv("MBSE_ROOT"));
if ((fil = fopen(ffile, "a")) != NULL) {
memset(&route, 0, sizeof(route));
/*
* Fill in default values
*/
route.routetype = R_NOROUTE;
fwrite(&route, sizeof(route), 1, fil);
fclose(fil);
RouteUpdated = 1;
free(ffile);
return 0;
}
free(ffile);
return -1;
}
#define RCHARS "All:/.0123456789"
/*
* Check syntax of entered routing mask.
*/
int RouteSyntax(char *);
int RouteSyntax(char *s)
{
char *str, *p;
if (strspn(s, RCHARS) != strlen(s))
return FALSE;
str = xstrcpy(s);
if ((p = strchr(str, ':'))) {
*(p++) = '\0';
if (strspn(str, "0123456789") != strlen(str)) {
if (strcmp(str, "All"))
return FALSE;
} else if (strlen(p) == 0)
return FALSE;
str = p;
} else {
if (strcmp(str, "All"))
return FALSE;
}
if ((p = strchr(str, '/'))) {
*(p++) = '\0';
if (strspn(str, "0123456789") != strlen(str)) {
if (strcmp(str, "All"))
return FALSE;
} else if (strlen(p) == 0)
return FALSE;
str = p;
} else {
if (strcmp(str, "All"))
return FALSE;
}
if ((p = strchr(str, '.'))) {
*(p++) = '\0';
if (strspn(str, "0123456789") != strlen(str)) {
if (strcmp(str, "All"))
return FALSE;
} if (strlen(p) == 0)
return FALSE;
str = p;
} else {
if (strspn(str, "0123456789") != strlen(str)) {
if (strcmp(str, "All"))
return FALSE;
}
str = NULL;
}
return TRUE;
}
void RouteScreen(void)
{
clr_index();
set_color(WHITE, BLACK);
mvprintw( 5, 5, "19. EDIT ROUTING TABLE");
set_color(CYAN, BLACK);
mvprintw( 7, 5, "1. Mask");
// mvprintw( 8, 5, "2. Src name");
mvprintw( 9, 5, "3. Action");
mvprintw(10, 5, "4. Dest addr");
// mvprintw(11, 5, "5. Dest name");
mvprintw(12, 5, "6. Active");
mvprintw(13, 5, "7. Deleted");
}
/*
* Edit one record, return -1 if record doesn't exist, 0 if ok.
*/
int EditRouteRec(int Area)
{
FILE *fil;
char *mfile, newmask[25];
long offset;
unsigned long crc, crc1;
int i;
clr_index();
working(1, 0, 0);
IsDoing("Edit Route");
mfile = calloc(PATH_MAX, sizeof(char));
sprintf(mfile, "%s/etc/route.temp", getenv("MBSE_ROOT"));
if ((fil = fopen(mfile, "r")) == NULL) {
working(2, 0, 0);
free(mfile);
return -1;
}
fread(&routehdr, sizeof(routehdr), 1, fil);
offset = routehdr.hdrsize + ((Area -1) * routehdr.recsize);
if (fseek(fil, offset, 0) != 0) {
working(2, 0, 0);
free(mfile);
return -1;
}
fread(&route, routehdr.recsize, 1, fil);
fclose(fil);
crc = 0xffffffff;
crc = upd_crc32((char *)&route, crc, routehdr.recsize);
RouteScreen();
for (;;) {
set_color(WHITE, BLACK);
show_str( 7,20,24, route.mask);
show_str( 8,20,36, route.sname);
show_routetype(9,20, route.routetype);
show_str( 10,20,35, aka2str(route.dest));
show_str( 11,20,35, route.dname);
show_bool(12,20, route.Active);
show_bool(13,20, route.Deleted);
switch(select_menu(7)) {
case 0: crc1 = 0xffffffff;
crc1 = upd_crc32((char *)&route, crc1, routehdr.recsize);
if (crc != crc1) {
if (yes_no((char *)"Record is changed, save") == 1) {
working(1, 0, 0);
if ((fil = fopen(mfile, "r+")) == NULL) {
working(2, 0, 0);
free(mfile);
return -1;
}
fseek(fil, offset, 0);
fwrite(&route, routehdr.recsize, 1, fil);
fclose(fil);
RouteUpdated = 1;
working(6, 0, 0);
}
}
free(mfile);
IsDoing("Browsing Menu");
return 0;
case 1: strcpy(newmask, edit_str( 7,20,24, route.mask,
(char *)"The ^routing mask^ to match, ie: ^1:All^, ^2:280/All^, ^2:280/28^"));
/*
* First make all chars in the right case, the only allowed word is "All".
*/
for (i = 0; i < strlen(newmask); i++) {
if (newmask[i] == 'a')
newmask[i] = 'A';
if (newmask[i] == 'L')
newmask[i] = 'l';
}
if (RouteSyntax(newmask)) {
if (strlen(newmask) && !strlen(route.mask))
route.Active = TRUE;
strcpy(route.mask, newmask);
} else
errmsg("Syntax error");
break;
// case 2: E_STR( 8,20,36, route.sname, "The additional ^source username^ to add to the match");
case 3: route.routetype = edit_routetype(9,20, route.routetype);
break;
case 4: route.dest = PullUplink((char *)"19.4");
RouteScreen();
break;
// case 5: E_STR( 11,20,36, route.dname, "The ^destination name^ if needed");
case 6: E_BOOL(12,20, route.Active, "If this route is ^active^");
case 7: E_BOOL(13,20, route.Deleted, "If this route must be ^deleted^");
}
}
}
void EditRoute(void)
{
int records, i, o, x, y;
char pick[12], *temp;
FILE *fil;
long offset;
clr_index();
working(1, 0, 0);
IsDoing("Browsing Menu");
if (config_read() == -1) {
working(2, 0, 0);
return;
}
records = CountRoute();
if (records == -1) {
working(2, 0, 0);
return;
}
if (OpenRoute() == -1) {
working(2, 0, 0);
return;
}
o = 0;
temp = calloc(PATH_MAX, sizeof(char));
for (;;) {
clr_index();
set_color(WHITE, BLACK);
mvprintw( 5, 4, "19. ROUTING TABLE");
set_color(CYAN, BLACK);
if (records != 0) {
sprintf(temp, "%s/etc/route.temp", getenv("MBSE_ROOT"));
working(1, 0, 0);
if ((fil = fopen(temp, "r")) != NULL) {
fread(&routehdr, sizeof(routehdr), 1, fil);
x = 2;
y = 7;
set_color(CYAN, BLACK);
for (i = 1; i <= 10; i++) {
if ((o + i) <= records) {
offset = sizeof(routehdr) + (((o + i) - 1) * routehdr.recsize);
fseek(fil, offset, 0);
fread(&route, routehdr.recsize, 1, fil);
if (route.Deleted)
set_color(LIGHTRED, BLACK);
else if (route.Active)
set_color(CYAN, BLACK);
else
set_color(LIGHTBLUE, BLACK);
sprintf(temp, "%3d. %-25s %s %s", o + i, route.mask, get_routetype(route.routetype), aka2str(route.dest));
// temp[37] = 0;
mvprintw(y, x, temp);
y++;
}
}
fclose(fil);
}
}
strcpy(pick, select_record(records, 10));
if (strncmp(pick, "-", 1) == 0) {
CloseRoute(FALSE);
free(temp);
return;
}
if (strncmp(pick, "A", 1) == 0) {
working(1, 0, 0);
if (AppendRoute() == 0) {
records++;
working(1, 0, 0);
} else
working(2, 0, 0);
}
if (strncmp(pick, "N", 1) == 0)
if ((o + 10) < records)
o = o + 10;
if (strncmp(pick, "P", 1) == 0)
if ((o - 10) >= 0)
o = o - 10;
if ((atoi(pick) >= 1) && (atoi(pick) <= records)) {
EditRouteRec(atoi(pick));
o = ((atoi(pick) - 1) / 10) * 10;
}
}
}
void InitRoute(void)
{
CountRoute();
OpenRoute();
CloseRoute(TRUE);
}
int route_doc(FILE *fp, FILE *toc, int page)
{
char *temp;
FILE *wp, *no;
int j;
temp = calloc(PATH_MAX, sizeof(char));
sprintf(temp, "%s/etc/route.data", getenv("MBSE_ROOT"));
if ((no = fopen(temp, "r")) == NULL) {
free(temp);
return page;
}
page = newpage(fp, page);
addtoc(fp, toc, 12, 0, page, (char *)"Routing table");
j = 1;
fprintf(fp, "\n\n");
fread(&routehdr, sizeof(routehdr), 1, no);
wp = open_webdoc((char *)"route.html", (char *)"Netmail Routing", NULL);
fprintf(wp, "<A HREF=\"index.html\">Main</A>\n");
fprintf(wp, "<UL>\n");
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;
}
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