608 lines
13 KiB
C
608 lines
13 KiB
C
/*****************************************************************************
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*
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* File ..................: nodelist.c
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* Purpose ...............: Read nodelists information
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* Last modification date : 06-Jan-2001
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*
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*****************************************************************************
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* Copyright (C) 1997-2001
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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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* MBSE 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 MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*****************************************************************************/
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#include "libs.h"
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#include "structs.h"
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#include "records.h"
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#include "clcomm.h"
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#include "common.h"
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#define NULLDOMAIN "nulldomain"
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struct _pkey pkey[] = {
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{(char *)"Down", NL_NODE, NL_DOWN},
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{(char *)"Hold", NL_NODE, NL_HOLD},
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{(char *)"Region", NL_REGION, NL_REGION},
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{(char *)"Host", NL_HOST, NL_HOST},
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{(char *)"Hub", NL_HUB, NL_HUB},
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{(char *)"Point", NL_POINT, NL_POINT},
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{(char *)"Pvt", NL_NODE, NL_NODE},
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{NULL, 0, 0}
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};
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struct _okey okey[] = {
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{(char *)"CM", OL_CM},
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{(char *)"MO", OL_MO},
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{(char *)"LO", OL_LO},
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{(char *)"MN", OL_MN},
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{NULL, 0}
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};
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struct _fkey fkey[] = {
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{(char *)"V22", NL_V22},
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{(char *)"V29", NL_V29},
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{(char *)"V32", NL_V32},
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{(char *)"V32B",NL_V32B | NL_V32},
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{(char *)"V34", NL_V34},
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{(char *)"V42", NL_V42 | NL_MNP},
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{(char *)"V42B",NL_V42B | NL_V42 | NL_MNP},
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{(char *)"MNP", NL_MNP},
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{(char *)"H96", NL_H96},
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{(char *)"HST", NL_HST | NL_MNP},
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{(char *)"H14", NL_H14 | NL_HST | NL_MNP},
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{(char *)"H16", NL_H16 | NL_H14 | NL_HST | NL_MNP | NL_V42 | NL_V42B},
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{(char *)"MAX", NL_MAX},
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{(char *)"PEP", NL_PEP},
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{(char *)"CSP", NL_CSP},
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{(char *)"V32T",NL_V32T | NL_V32B | NL_V32},
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{(char *)"VFC", NL_VFC},
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{(char *)"ZYX", NL_ZYX | NL_V32B | NL_V32 | NL_V42B | NL_V42 | NL_MNP},
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{(char *)"X2C", NL_X2C | NL_X2S | NL_V34},
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{(char *)"X2S", NL_X2S | NL_V34},
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{(char *)"V90C",NL_V90C | NL_V90S | NL_V34},
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{(char *)"V90S",NL_V90S | NL_V34},
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{(char *)"Z19", NL_Z19 | NL_V32B | NL_V32 | NL_V42B | NL_V42 | NL_MNP | NL_ZYX},
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{NULL, 0}
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};
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struct _xkey xkey [] = {
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{(char *)"XA", RQ_XA},
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{(char *)"XB", RQ_XB},
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{(char *)"XC", RQ_XC},
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{(char *)"XP", RQ_XP},
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{(char *)"XR", RQ_XR},
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{(char *)"XW", RQ_XW},
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{(char *)"XX", RQ_XX},
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{NULL, 0}
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};
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struct _dkey dkey [] = {
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{(char *)"V110L", ND_V110L},
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{(char *)"V110H", ND_V110H},
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{(char *)"V120L", ND_V120L},
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{(char *)"V120H", ND_V120H},
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{(char *)"X75", ND_X75},
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{NULL, 0}
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};
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struct _ikey ikey [] = {
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{(char *)"IBN", IP_IBN},
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{(char *)"IFC", IP_IFC},
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{(char *)"ITN", IP_ITN},
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{(char *)"IVM", IP_IVM},
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{(char *)"IP", IP_IP},
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{(char *)"IFT", IP_IFT},
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{NULL, 0}
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};
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int initnl(void)
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{
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int rc = 0;
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FILE *dbf, *fp;
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char *filexnm, *path;
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struct _nlfil fdx;
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filexnm = xstrcpy(CFG.nodelists);
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filexnm = xstrcat(filexnm,(char *)"/node.files");
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if ((dbf = fopen(filexnm, "r")) == NULL) {
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WriteError("$Can't open %s", filexnm);
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rc = 101;
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} else {
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path = calloc(128, sizeof(char));
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while (fread(&fdx, sizeof(fdx), 1, dbf) == 1) {
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sprintf(path, "%s/%s", CFG.nodelists, fdx.filename);
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if ((fp = fopen(path, "r")) == NULL) {
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WriteError("$Can't open %s", path);
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rc = 101;
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} else {
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fclose(fp);
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}
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}
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fclose(dbf);
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free(path);
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}
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free(filexnm);
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return rc;
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}
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int comp_node(struct _nlidx, struct _ixentry);
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int comp_node(struct _nlidx fap1, struct _ixentry fap2)
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{
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if (fap1.zone != fap2.zone)
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return (fap1.zone - fap2.zone);
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else if (fap1.net != fap2.net)
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return (fap1.net - fap2.net);
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else if (fap1.node != fap2.node)
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return (fap1.node - fap2.node);
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else
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return (fap1.point - fap2.point);
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}
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node *getnlent(faddr *addr)
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{
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FILE *fp;
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static node nodebuf;
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static char buf[256], *p, *q;
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struct _ixentry xaddr;
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int i, j, Found = FALSE;
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int ixflag, stdflag;
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char *mydomain, *path;
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struct _nlfil fdx;
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struct _nlidx ndx;
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long lowest, highest, current;
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Syslog('s', "getnlent: %s", ascfnode(addr,0xff));
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mydomain = xstrcpy(CFG.aka[0].domain);
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if (mydomain == NULL)
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mydomain = (char *)NULLDOMAIN;
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nodebuf.addr.domain = NULL;
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nodebuf.addr.zone = 0;
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nodebuf.addr.net = 0;
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nodebuf.addr.node = 0;
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nodebuf.addr.point = 0;
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nodebuf.addr.name = NULL;
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nodebuf.upnet = 0;
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nodebuf.upnode = 0;
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nodebuf.region = 0;
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nodebuf.type = 0;
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nodebuf.pflag = 0;
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nodebuf.name = NULL;
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nodebuf.location = NULL;
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nodebuf.sysop = NULL;
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nodebuf.phone = NULL;
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nodebuf.speed = 0;
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nodebuf.mflags = 0L;
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nodebuf.oflags = 0L;
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nodebuf.xflags = 0L;
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nodebuf.iflags = 0L;
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nodebuf.dflags = 0L;
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nodebuf.uflags[0] = NULL;
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if (addr == NULL)
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goto retdummy;
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if (addr->zone == 0)
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addr->zone = CFG.aka[0].zone;
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xaddr.zone = addr->zone;
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nodebuf.addr.zone = addr->zone;
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xaddr.net = addr->net;
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nodebuf.addr.net = addr->net;
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xaddr.node = addr->node;
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nodebuf.addr.node = addr->node;
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xaddr.point = addr->point;
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nodebuf.addr.point = addr->point;
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if (initnl())
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goto retdummy;
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/*
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* First, lookup node in index. NOTE -- NOT 5D YET
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*/
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path = calloc(128, sizeof(char));
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sprintf(path, "%s/%s", CFG.nodelists, "node.index");
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if ((fp = fopen(path, "r")) == NULL) {
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WriteError("$Can't open %s", path);
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free(path);
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goto retdummy;
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}
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fseek(fp, 0, SEEK_END);
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highest = ftell(fp) / sizeof(ndx);
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lowest = 0;
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while (TRUE) {
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current = ((highest - lowest) / 2) + lowest;
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fseek(fp, current * sizeof(ndx), SEEK_SET);
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if (fread(&ndx, sizeof(ndx), 1, fp) != 1)
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break;
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if (comp_node(ndx, xaddr) == 0) {
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Found = TRUE;
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break;
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}
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if (comp_node(ndx, xaddr) < 0)
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lowest = current;
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else
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highest = current;
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if ((highest - lowest) <= 1)
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break;
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}
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fclose(fp);
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if (!Found) {
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free(path);
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goto retdummy;
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}
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sprintf(path, "%s/%s", CFG.nodelists, "node.files");
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if ((fp = fopen(path, "r")) == NULL) {
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WriteError("$Can't open %s", path);
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free(path);
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goto retdummy;
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}
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/*
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* Get filename from node.files
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*/
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for (i = 0; i < (ndx.fileno +1); i++)
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fread(&fdx, sizeof(fdx), 1, fp);
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fclose(fp);
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/* CHECK DOMAIN HERE */
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/*
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* Open and read in real nodelist
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*/
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sprintf(path, "%s/%s", CFG.nodelists, fdx.filename);
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if ((fp = fopen(path, "r")) == NULL) {
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WriteError("$Can't open %s", path);
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free(path);
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goto retdummy;
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}
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free(path);
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if (fseek(fp, ndx.offset, SEEK_SET) != 0) {
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WriteError("$Seek failed for nodelist entry");
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fclose(fp);
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goto retdummy;
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}
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if (fgets(buf, sizeof(buf)-1, fp) == NULL) {
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WriteError("$fgets failed for nodelist entry");
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fclose(fp);
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goto retdummy;
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}
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fclose(fp);
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nodebuf.type = ndx.type;
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nodebuf.pflag = ndx.pflag;
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if (*(p = buf + strlen(buf) -1) == '\n')
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*p = '\0';
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if (*(p = buf + strlen(buf) -1) == '\r')
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*p = '\0';
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for (p = buf; *p; p++)
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if (*p == '_')
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*p = ' ';
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p = buf;
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if ((q = strchr(p,',')))
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*q++ = '\0';
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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nodebuf.name = p;
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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nodebuf.location = p;
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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nodebuf.sysop = p;
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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if (strcasecmp(p, "-Unpublished-") == 0)
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nodebuf.phone = NULL;
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else
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nodebuf.phone = p;
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p = q;
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if (p == NULL)
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goto badsyntax;
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if ((q=strchr(p,',')))
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*q++ = '\0';
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nodebuf.speed = atoi(p);
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/*
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* Process the nodelist flags.
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*/
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ixflag = 0;
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stdflag = TRUE;
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for (p = q; p; p = q) {
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if ((q = strchr(p, ',')))
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*q++ = '\0';
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if ((strncasecmp(p, "U", 1) == 0) && (strlen(p) == 1)) {
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stdflag = FALSE;
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} else {
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/*
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* Experimental: process authorized flags and
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* User flags both as authorized.
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*/
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for (j = 0; fkey[j].key; j++)
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if (strcasecmp(p, fkey[j].key) == 0)
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nodebuf.mflags |= fkey[j].flag;
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for (j = 0; okey[j].key; j++)
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if (strcasecmp(p, okey[j].key) == 0)
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nodebuf.oflags |= okey[j].flag;
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for (j = 0; dkey[j].key; j++)
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if (strcasecmp(p, dkey[j].key) == 0)
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nodebuf.dflags |= dkey[j].flag;
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for (j = 0; ikey[j].key; j++)
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if (strncasecmp(p, ikey[j].key, strlen(ikey[j].key)) == 0)
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nodebuf.iflags |= ikey[j].flag;
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for (j = 0; xkey[j].key; j++)
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if (strcasecmp(p, xkey[j].key) == 0)
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nodebuf.xflags |= xkey[j].flag;
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if (!stdflag) {
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if (ixflag < MAXUFLAGS) {
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nodebuf.uflags[ixflag++] = p;
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if (ixflag < MAXUFLAGS)
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nodebuf.uflags[ixflag] = NULL;
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}
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}
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}
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}
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nodebuf.addr.name = nodebuf.sysop;
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nodebuf.addr.domain = xstrcpy(fdx.domain);
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nodebuf.upnet = ndx.upnet;
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nodebuf.upnode = ndx.upnode;
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nodebuf.region = ndx.region;
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if (addr->domain == NULL)
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addr->domain = xstrcpy(nodebuf.addr.domain);
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Syslog('s', "getnlent: system %s, %s", nodebuf.name, nodebuf.location);
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Syslog('s', "getnlent: sysop %s, %s", nodebuf.sysop, nodebuf.phone);
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if (nodebuf.mflags)
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Syslog('S', "getnlent: mflags 0x%08lx", nodebuf.mflags);
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if (nodebuf.oflags)
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Syslog('S', "getnlent: oflags 0x%08lx", nodebuf.oflags);
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if (nodebuf.dflags)
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Syslog('S', "getnlent: dflags 0x%08lx", nodebuf.dflags);
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if (nodebuf.iflags)
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Syslog('S', "getnlent: iflags 0x%08lx", nodebuf.iflags);
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if (nodebuf.xflags)
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Syslog('S', "getnlent: xflags 0x%08lx", nodebuf.xflags);
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for (j = 0; nodebuf.uflags[j]; j++)
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Syslog('S', "getnlent: uflag %s", nodebuf.uflags[j]);
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moflags(nodebuf.mflags);
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diflags(nodebuf.dflags);
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ipflags(nodebuf.iflags);
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olflags(nodebuf.oflags);
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rqflags(nodebuf.xflags);
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free(mydomain);
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return &nodebuf;
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badsyntax:
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WriteError("nodelist %d offset +%lu: bad syntax in line \"%s\"",
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ndx.fileno, (unsigned long)ndx.offset, buf);
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/* fallthrough */
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retdummy:
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memset(&nodebuf, 0, sizeof(nodebuf));
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nodebuf.pflag = NL_DUMMY;
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nodebuf.name = (char *)"Unknown";
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nodebuf.location = (char *)"Nowhere";
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nodebuf.sysop = (char *)"Sysop";
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nodebuf.phone = NULL;
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nodebuf.speed = 2400;
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free(mydomain);
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return &nodebuf;
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}
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void olflags(unsigned long flags)
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{
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char *t;
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t = xstrcpy((char *)"Mailer flags :");
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if (flags & OL_CM)
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t = xstrcat(t, (char *)" CM");
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if (flags & OL_MO)
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t = xstrcat(t, (char *)" MO");
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if (flags & OL_LO)
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t = xstrcat(t, (char *)" LO");
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if (flags & OL_MN)
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t = xstrcat(t, (char *)" MN");
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Syslog('s', "%s", t);
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free(t);
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}
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void rqflags(unsigned long flags)
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{
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char *t;
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t = xstrcpy((char *)"Request flags:");
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if (flags & RQ_RQ_BR)
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t = xstrcat(t, (char *)" RQ_BR");
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if (flags & RQ_RQ_BU)
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t = xstrcat(t, (char *)" RQ_BU");
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if (flags & RQ_RQ_WR)
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t = xstrcat(t, (char *)" RQ_WR");
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if (flags & RQ_RQ_WU)
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t = xstrcat(t, (char *)" RQ_WU");
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Syslog('s', "%s", t);
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free(t);
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}
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void moflags(unsigned long flags)
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{
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char *t;
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if (!flags)
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return;
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t = xstrcpy((char *)"Modem flags :");
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if (flags & NL_V22)
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t = xstrcat(t, (char *)" V22");
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if (flags & NL_V29)
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|
t = xstrcat(t, (char *)" V29");
|
|
if (flags & NL_V32)
|
|
t = xstrcat(t, (char *)" V32");
|
|
if (flags & NL_V32B)
|
|
t = xstrcat(t, (char *)" V32B");
|
|
if (flags & NL_V34)
|
|
t = xstrcat(t, (char *)" V34");
|
|
if (flags & NL_V42)
|
|
t = xstrcat(t, (char *)" V42");
|
|
if (flags & NL_V42B)
|
|
t = xstrcat(t, (char *)" V42B");
|
|
if (flags & NL_MNP)
|
|
t = xstrcat(t, (char *)" MNP");
|
|
if (flags & NL_H96)
|
|
t = xstrcat(t, (char *)" H96");
|
|
if (flags & NL_HST)
|
|
t = xstrcat(t, (char *)" HST");
|
|
if (flags & NL_H14)
|
|
t = xstrcat(t, (char *)" H14");
|
|
if (flags & NL_H16)
|
|
t = xstrcat(t, (char *)" H16");
|
|
if (flags & NL_MAX)
|
|
t = xstrcat(t, (char *)" MAX");
|
|
if (flags & NL_PEP)
|
|
t = xstrcat(t, (char *)" PEP");
|
|
if (flags & NL_CSP)
|
|
t = xstrcat(t, (char *)" CSP");
|
|
if (flags & NL_V32T)
|
|
t = xstrcat(t, (char *)" V32T");
|
|
if (flags & NL_VFC)
|
|
t = xstrcat(t, (char *)" VFC");
|
|
if (flags & NL_ZYX)
|
|
t = xstrcat(t, (char *)" ZYX");
|
|
if (flags & NL_X2C)
|
|
t = xstrcat(t, (char *)" X2C");
|
|
if (flags & NL_X2S)
|
|
t = xstrcat(t, (char *)" X2S");
|
|
if (flags & NL_V90C)
|
|
t = xstrcat(t, (char *)" V90C");
|
|
if (flags & NL_V90S)
|
|
t = xstrcat(t, (char *)" V90S");
|
|
Syslog('s', "%s", t);
|
|
free(t);
|
|
}
|
|
|
|
|
|
|
|
void diflags(unsigned long flags)
|
|
{
|
|
char *t;
|
|
|
|
if (!flags)
|
|
return;
|
|
|
|
t = xstrcpy((char *)"ISDN flags :");
|
|
if (flags & ND_V110L)
|
|
t = xstrcat(t, (char *)" V110L");
|
|
if (flags & ND_V110H)
|
|
t = xstrcat(t, (char *)" V110H");
|
|
if (flags & ND_V120L)
|
|
t = xstrcat(t, (char *)" V120L");
|
|
if (flags & ND_V120H)
|
|
t = xstrcat(t, (char *)" V120H");
|
|
if (flags & ND_X75)
|
|
t = xstrcat(t, (char *)" X75");
|
|
Syslog('s', "%s", t);
|
|
free(t);
|
|
}
|
|
|
|
|
|
|
|
void ipflags(unsigned long flags)
|
|
{
|
|
char *t;
|
|
|
|
if (!flags)
|
|
return;
|
|
|
|
t = xstrcpy((char *)"TCP/IP flags :");
|
|
if (flags & IP_IBN)
|
|
t = xstrcat(t, (char *)" IBN");
|
|
if (flags & IP_IFC)
|
|
t = xstrcat(t, (char *)" IFC");
|
|
if (flags & IP_ITN)
|
|
t = xstrcat(t, (char *)" ITN");
|
|
if (flags & IP_IVM)
|
|
t = xstrcat(t, (char *)" IVM");
|
|
if (flags & IP_IP)
|
|
t = xstrcat(t, (char *)" IP");
|
|
Syslog('s', "%s", t);
|
|
free(t);
|
|
}
|
|
|
|
|
|
|