298 lines
8.7 KiB
C
298 lines
8.7 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Create Message Area
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*
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*****************************************************************************
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* Copyright (C) 1997-2004
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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, 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 "../lib/msg.h"
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#include "../lib/users.h"
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#include "../lib/mbsedb.h"
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#include "mgrutil.h"
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#include "createm.h"
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#define MCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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int create_msgarea(char *marea, faddr *p_from)
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{
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char *temp;
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FILE *gp;
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Syslog('m', "create_msgarea(%s)", marea);
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temp = calloc(PATH_MAX, sizeof(char));
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sprintf(temp, "%s/etc/mgroups.data", getenv("MBSE_ROOT"));
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if ((gp = fopen(temp, "r")) == NULL) {
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WriteError("Can't open %s", temp);
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free(temp);
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return FALSE;
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}
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fread(&mgrouphdr, sizeof(mgrouphdr), 1, gp);
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free(temp);
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fseek(gp, mgrouphdr.hdrsize, SEEK_SET);
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while ((fread(&mgroup, mgrouphdr.recsize, 1, gp)) == 1) {
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if ((mgroup.UpLink.zone == p_from->zone) && (mgroup.UpLink.net == p_from->net) &&
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(mgroup.UpLink.node == p_from->node) && (mgroup.UpLink.point == p_from->point) &&
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strlen(mgroup.AreaFile)) {
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if (CheckEchoGroup(marea, FALSE, p_from) == 0) {
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fclose(gp);
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return TRUE;
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}
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}
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}
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fclose(gp);
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return FALSE;
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}
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/*
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* Check echomail group AREAS file if requested area exists.
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* If so, create echomail area and if SendUplink is TRUE,
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* send the uplink a AreaMgr request to connect this area.
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* The echomail group record (mgroup) must be in memory.
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* Return codes:
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* 0 - All Seems Well
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* 1 - Some error
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*
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* The current nodes record may be destroyed after this,
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* make sure it is saved.
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*/
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int CheckEchoGroup(char *Area, int SendUplink, faddr *f)
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{
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char *temp, *buf, *tag, *desc, *p;
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FILE *ap, *mp;
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long offset;
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int i, rc = 0;
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sysconnect System;
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faddr *From, *To;
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temp = calloc(PATH_MAX, sizeof(char));
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Syslog('m', "Checking echogroup %s %s", mgroup.Name, mgroup.Comment);
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sprintf(temp, "%s/%s", CFG.alists_path , mgroup.AreaFile);
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if ((ap = fopen(temp, "r")) == NULL) {
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WriteError("Echogroup %s: area taglist %s not found", mgroup.Name, temp);
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free(temp);
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return 1;
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}
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buf = calloc(4097, sizeof(char));
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while (fgets(buf, 4096, ap)) {
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if (strlen(buf) && isalnum(buf[0])) {
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tag = strtok(buf, "\t \r\n\0");
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p = strtok(NULL, "\r\n\0");
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if (p == NULL)
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p = tag; /* If no description after the TAG, use TAG as description */
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desc = p;
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while ((*desc == ' ') || (*desc == '\t'))
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desc++;
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if (strcasecmp(tag, Area) == 0) {
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/*
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* Make sure the tag is uppercase
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*/
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for (i = 0; i < strlen(tag); i++)
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tag[i] = toupper(tag[i]);
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Syslog('m', "Found tag \"%s\" desc \"%s\"", tag, desc);
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/*
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* Area is in AREAS file, now create area.
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* If needed, connect at uplink.
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*/
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if (SendUplink) {
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sprintf(temp, "+%s", tag);
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From = fido2faddr(mgroup.UseAka);
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To = fido2faddr(mgroup.UpLink);
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if (UplinkRequest(To, From, FALSE, temp)) {
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WriteError("Can't send netmail to uplink");
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fclose(ap);
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free(buf);
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free(temp);
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tidy_faddr(From);
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tidy_faddr(To);
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return 1;
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}
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tidy_faddr(From);
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tidy_faddr(To);
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}
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sprintf(temp, "%s/etc/mareas.data", getenv("MBSE_ROOT"));
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if ((mp = fopen(temp, "r+")) == NULL) {
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WriteError("$Can't open %s", temp);
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fclose(ap);
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free(buf);
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free(temp);
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return 1;
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}
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fread(&msgshdr, sizeof(msgshdr), 1, mp);
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/*
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* Verify the file is large enough
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*/
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fseek(mp, 0, SEEK_END);
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offset = msgshdr.hdrsize + ((mgroup.StartArea -1) * (msgshdr.recsize + msgshdr.syssize));
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Syslog('m', "file end at %ld, start area offset at %ld", ftell(mp), offset);
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if (ftell(mp) < offset) {
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/*
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* Start area record not in database, expand until start record exists.
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*/
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Syslog('m', "Database too small, expanding...");
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memset(&msgs, 0, sizeof(msgs));
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memset(&System, 0, sizeof(System));
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while (TRUE) {
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fwrite(&msgs, sizeof(msgs), 1, mp);
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for (i = 0; i < (msgshdr.syssize / sizeof(System)); i++)
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fwrite(&System, sizeof(System), 1, mp);
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if (ftell(mp) >= msgshdr.hdrsize + ((mgroup.StartArea -1) * (msgshdr.recsize + msgshdr.syssize)))
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break;
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}
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}
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if (fseek(mp, offset, SEEK_SET)) {
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WriteError("$Can't seek in %s to position %ld", temp, offset);
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fclose(ap);
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fclose(mp);
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free(buf);
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free(temp);
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return 1;
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}
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/*
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* Search a free record
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*/
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while (fread(&msgs, sizeof(msgs), 1, mp) == 1) {
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if (!msgs.Active) {
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fseek(mp, - msgshdr.recsize, SEEK_CUR);
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offset = ((ftell(mp) - msgshdr.hdrsize) / (msgshdr.recsize + msgshdr.syssize)) + 1;
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Syslog('m', "Found free slot at %ld", offset);
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rc = 1;
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break;
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}
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/*
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* Skip systems
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*/
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fseek(mp, msgshdr.syssize, SEEK_CUR);
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}
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if (!rc) {
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Syslog('m', "No free slot, append after last record");
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fseek(mp, 0, SEEK_END);
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if (ftell(mp) < msgshdr.hdrsize + ((mgroup.StartArea -1) * (msgshdr.recsize + msgshdr.syssize))) {
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Syslog('m', "Database too small, expanding...");
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memset(&msgs, 0, sizeof(msgs));
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memset(&System, 0, sizeof(System));
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while (TRUE) {
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fwrite(&msgs, sizeof(msgs), 1, mp);
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for (i = 0; i < (msgshdr.syssize / sizeof(System)); i++)
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fwrite(&System, sizeof(System), 1, mp);
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if (ftell(mp) >= msgshdr.hdrsize + ((mgroup.StartArea -1) * (msgshdr.recsize + msgshdr.syssize)))
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break;
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}
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}
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rc = 1;
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}
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/*
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* Create the record with the defaults from the group record.
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*/
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offset = ((ftell(mp) - msgshdr.hdrsize) / (msgshdr.recsize + msgshdr.syssize)) + 1;
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memset(&msgs, 0, sizeof(msgs));
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strncpy(msgs.Tag, tag, 50);
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strncpy(msgs.Name, desc, 40);
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strncpy(msgs.QWKname, tag, 20);
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msgs.MsgKinds = PUBLIC;
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msgs.Type = ECHOMAIL;
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msgs.DaysOld = CFG.defdays;
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msgs.MaxMsgs = CFG.defmsgs;
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msgs.UsrDelete = mgroup.UsrDelete;
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msgs.RDSec = mgroup.RDSec;
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msgs.WRSec = mgroup.WRSec;
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msgs.SYSec = mgroup.SYSec;
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msgs.LinkSec = mgroup.LinkSec;
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strncpy(msgs.Group, mgroup.Name, 12);
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msgs.Aka = mgroup.UseAka;
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strncpy(msgs.Origin, CFG.origin, 50);
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msgs.Aliases = mgroup.Aliases;
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msgs.NetReply = mgroup.NetReply;
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msgs.Active = TRUE;
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msgs.Quotes = mgroup.Quotes;
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msgs.Charset = mgroup.Charset;
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msgs.MaxArticles = CFG.maxarticles;
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msgs.Created = time(NULL);
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tag = tl(tag);
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for (i = 0; i < strlen(tag); i++)
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if (tag[i] == '.')
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tag[i] = '/';
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sprintf(msgs.Base, "%s/%s", mgroup.BasePath, tag);
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sprintf(msgs.Newsgroup, "%s.%s", GetFidoDomain(msgs.Aka.zone), tag);
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for (i = 0; i < strlen(msgs.Newsgroup); i++) {
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msgs.Newsgroup[i] = tolower(msgs.Newsgroup[i]);
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if (msgs.Newsgroup[i] == '/')
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msgs.Newsgroup[i] = '.';
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if (msgs.Newsgroup[i] == '_')
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msgs.Newsgroup[i] = '.';
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}
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fwrite(&msgs, sizeof(msgs), 1, mp);
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mkdirs(msgs.Base, 0770);
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if (Msg_Open(msgs.Base))
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Msg_Close();
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memset(&System, 0, sizeof(System));
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System.aka = mgroup.UpLink;
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System.sendto = System.receivefrom = TRUE;
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fwrite(&System, sizeof(System), 1, mp);
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memset(&System, 0, sizeof(System));
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for (i = 1; i < (msgshdr.syssize / sizeof(System)); i++)
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fwrite(&System, sizeof(System), 1, mp);
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fclose(mp);
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fclose(ap);
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free(buf);
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free(temp);
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if (f == NULL)
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Mgrlog("Auto created echo %s, group %s, area %ld", msgs.Tag, msgs.Group, offset);
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else
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Mgrlog("Auto created echo %s, group %s, area %ld, for node %s",
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msgs.Tag, msgs.Group, offset, ascfnode(f , 0x1f));
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return 0;
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} /* if (strcmp(tag, Area) == 0) */
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} /* if (strlen(buf) && isalnum(buf[0])) */
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} /* while (fgets(buf, 4096, ap)) */
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Syslog('m', "Area %s not found in taglist", Area);
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free(buf);
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fclose(ap);
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free(temp);
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return 1;
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}
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