418 lines
9.5 KiB
C
418 lines
9.5 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Misc functions
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*
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*****************************************************************************
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* Copyright (C) 1997-2002
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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 "../config.h"
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#include "../lib/libs.h"
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#include "../lib/memwatch.h"
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#include "../lib/mbse.h"
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#include "../lib/structs.h"
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#include "../lib/users.h"
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#include "../lib/records.h"
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#include "../lib/common.h"
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#include "../lib/msgtext.h"
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#include "../lib/msg.h"
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#include "../lib/clcomm.h"
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#include "../lib/mberrors.h"
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#include "funcs.h"
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extern pid_t mypid; /* Original pid */
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void UserSilent(int flag)
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{
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SockS("ADIS:2,%d,%d;", mypid, flag);
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}
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/*
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* Check BBS open status, return FALSE if the bbs is closed.
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* Display the reason why to the user.
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*/
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int CheckStatus()
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{
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static char buf[81];
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sprintf(buf, "SBBS:0;");
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if (socket_send(buf) == 0) {
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strcpy(buf, socket_receive());
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if (strncmp(buf, "100:2,0", 7) == 0)
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return TRUE;
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if ((strncmp(buf, "100:2,2", 7) == 0) && (!ttyinfo.honor_zmh))
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return TRUE;
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buf[strlen(buf) -1] = '\0';
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printf("\n\n\007*** %s ***\n\n\n", buf+8);
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fflush(stdout);
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}
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return FALSE;
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}
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/*
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* Function to check if UserName/Handle exists and returns a 0 or 1
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*/
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int CheckName(char *Name)
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{
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FILE *fp;
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int Status = FALSE;
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char *temp;
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struct userhdr ushdr;
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struct userrec us;
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temp = calloc(PATH_MAX, sizeof(char));
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sprintf(temp, "%s/etc/users.data", getenv("MBSE_ROOT"));
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if ((fp = fopen(temp,"rb")) != NULL) {
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fread(&ushdr, sizeof(ushdr), 1, fp);
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while (fread(&us, ushdr.recsize, 1, fp) == 1) {
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if ((strcasecmp(Name, us.sUserName) == 0) || (strcasecmp(Name, us.sHandle) == 0)) {
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Status = TRUE;
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break;
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}
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}
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fclose(fp);
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}
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free(temp);
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return Status;
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}
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/*
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* Check several Unix names and other build-in system names
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* that are forbidden to select for new users.
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*/
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int CheckUnixNames(char *name)
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{
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struct passwd *pw;
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char *temp;
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FILE *fp;
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int rc = FALSE;
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/*
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* Basic checks
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*/
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if (name == NULL)
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rc = TRUE;
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else if (strlen(name) == 0)
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rc = TRUE;
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else if (strlen(name) > 8)
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rc = TRUE;
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/*
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* Check Unix names in the password file
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*/
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if (! rc) {
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if ((pw = getpwnam(name)) != NULL)
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rc = TRUE;
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endpwent();
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}
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/*
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* Username ping is used by the PING function
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*/
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if (! rc) {
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if (strcasecmp(name, (char *)"ping") == 0)
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rc = TRUE;
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}
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/*
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* Check service names
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*/
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if (! rc) {
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temp = calloc(PATH_MAX, sizeof(char));
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sprintf(temp, "%s/etc/service.data", getenv("MBSE_ROOT"));
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if ((fp = fopen(temp, "r")) != NULL) {
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fread(&servhdr, sizeof(servhdr), 1, fp);
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while (fread(&servrec, servhdr.recsize, 1, fp) == 1) {
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if ((strcasecmp(servrec.Service, name) == 0) && servrec.Active) {
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rc = TRUE;
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break;
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}
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}
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fclose(fp);
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}
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free(temp);
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}
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return rc;
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}
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/*
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* Function will check and create a home directory for the user if
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* needed. It will also change into the users home directory when
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* they login.
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*/
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char *ChangeHomeDir(char *Name, int Mailboxes)
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{
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char *temp;
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static char temp1[PATH_MAX];
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FILE *fp;
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temp = calloc(PATH_MAX, sizeof(char));
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/*
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* set umask bits to zero's then reset with mkdir
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*/
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umask(000);
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/*
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* First check to see if users home directory exists
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* else try create directory, as set in CFG.bbs_usersdir
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*/
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if ((access(CFG.bbs_usersdir, R_OK)) != 0) {
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WriteError("$FATAL: Access to %s failed", CFG.bbs_usersdir);
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free(temp);
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ExitClient(MBERR_INIT_ERROR);
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}
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sprintf(temp1, "%s/%s", CFG.bbs_usersdir, Name);
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/*
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* Then check to see if users directory exists in the home dir
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*/
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if ((access(temp1, R_OK)) != 0) {
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WriteError("$FATAL: Users homedir %s doesn't exist", temp1);
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free(temp);
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ExitClient(MBERR_INIT_ERROR);
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}
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/*
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* Change to users home directory
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*/
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if (chdir(temp1) != 0) {
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WriteError("$FATAL: Can't change to users home dir, aborting: %s", temp1);
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free(temp);
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ExitClient(MBERR_INIT_ERROR);
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}
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setenv("HOME", temp1, 1);
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/*
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* Check if user has a .signature file.
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* If not, create a simple one.
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*/
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sprintf(temp, "%s/%s/.signature", CFG.bbs_usersdir, Name);
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if (access(temp, R_OK)) {
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Syslog('+', "Creating users .signature file");
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if ((fp = fopen(temp, "w")) == NULL) {
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WriteError("$Can't create %s", temp);
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} else {
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fprintf(fp, " Greetings, %s\n", exitinfo.sUserName);
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if ((CFG.EmailMode == E_PRMISP) && exitinfo.Email && CFG.GiveEmail)
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fprintf(fp, " email: %s@%s\n", exitinfo.Name, CFG.sysdomain);
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fclose(fp);
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}
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}
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/*
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* Check subdirectories, create them if they don't exist.
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*/
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sprintf(temp, "%s/wrk", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/tag", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/upl", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/tmp", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/.dosemu", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/.dosemu/run", temp1);
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CheckDir(temp);
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sprintf(temp, "%s/.dosemu/tmp", temp1);
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CheckDir(temp);
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umask(007);
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/*
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* Check users private emailboxes
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*/
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if (Mailboxes) {
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sprintf(temp, "%s/mailbox", temp1);
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if (Msg_Open(temp))
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Msg_Close();
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sprintf(temp, "%s/archive", temp1);
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if (Msg_Open(temp))
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Msg_Close();
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sprintf(temp, "%s/trash", temp1);
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if (Msg_Open(temp))
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Msg_Close();
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}
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free(temp);
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return temp1;
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}
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void CheckDir(char *dir)
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{
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if ((access(dir, R_OK) != 0)) {
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Syslog('+', "Creating %s", dir);
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if (mkdir(dir, 0770))
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WriteError("$Can't create %s", dir);
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}
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}
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/*
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* Function will find where MBSE is located on system and load
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* the file $MBSE_ROOT/etc/config.data in memory.
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*/
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void FindMBSE()
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{
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FILE *pDataFile;
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static char p[81];
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char *FileName;
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struct passwd *pw;
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FileName = calloc(PATH_MAX, sizeof(char));
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/*
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* Check if the environment is set, if not, then we create the
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* environment from the passwd file.
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*/
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if (getenv("MBSE_ROOT") == NULL) {
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pw = getpwnam("mbse");
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memset(&p, 0, sizeof(p));
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sprintf(p, "MBSE_ROOT=%s", pw->pw_dir);
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putenv(p);
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}
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if (getenv("MBSE_ROOT") == NULL) {
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printf("FATAL ERROR: Environment variable MBSE_ROOT not set\n");
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free(FileName);
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#ifdef MEMWATCH
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mwTerm();
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#endif
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exit(MBERR_INIT_ERROR);
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}
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sprintf(FileName, "%s/etc/config.data", getenv("MBSE_ROOT"));
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if(( pDataFile = fopen(FileName, "rb")) == NULL) {
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printf("FATAL ERROR: Can't open %s for reading!\n", FileName);
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printf("Please run mbsetup to create configuration file.\n");
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printf("Or check that your environment variable MBSE_ROOT is set to the BBS Path!\n");
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free(FileName);
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#ifdef MEMWATCH
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mwTerm();
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#endif
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exit(MBERR_CONFIG_ERROR);
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}
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fread(&CFG, sizeof(CFG), 1, pDataFile);
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free(FileName);
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fclose(pDataFile);
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}
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/*
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* Returns Mmm in the users language.
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*/
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char *GetMonth(int Month)
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{
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static char month[10];
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switch (Month) {
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case 1:
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strcpy(month, *(mLanguage + 398));
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break;
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case 2:
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strcpy(month, *(mLanguage + 399));
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break;
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case 3:
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strcpy(month, *(mLanguage + 400));
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break;
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case 4:
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strcpy(month, *(mLanguage + 401));
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break;
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case 5:
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strcpy(month, *(mLanguage + 402));
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break;
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case 6:
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strcpy(month, *(mLanguage + 403));
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break;
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case 7:
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strcpy(month, *(mLanguage + 404));
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break;
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case 8:
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strcpy(month, *(mLanguage + 405));
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break;
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case 9:
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strcpy(month, *(mLanguage + 406));
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break;
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case 10:
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strcpy(month, *(mLanguage + 407));
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break;
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case 11:
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strcpy(month, *(mLanguage + 408));
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break;
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case 12:
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strcpy(month, *(mLanguage + 409));
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break;
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default:
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strcpy(month, "Unknown");
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}
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return(month);
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}
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/* Returns DD-Mmm-YYYY */
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char *GLCdateyy()
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{
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static char GLcdateyy[15];
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char ntime[15];
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Time_Now = time(NULL);
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l_date = localtime(&Time_Now);
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sprintf(GLcdateyy,"%02d-",
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l_date->tm_mday);
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sprintf(ntime,"-%02d", l_date->tm_year+1900);
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strcat(GLcdateyy, GetMonth(l_date->tm_mon+1));
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strcat(GLcdateyy,ntime);
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return(GLcdateyy);
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}
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