/*****************************************************************************
*
* $Id$
* Purpose ...............: Misc functions
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* 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.
*
* MBSE 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 MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../lib/libs.h"
#include "../lib/mbse.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/msgtext.h"
#include "../lib/msg.h"
#include "../lib/clcomm.h"
#include "funcs.h"
extern pid_t mypid; /* Original pid */
void UserSilent(int flag)
{
SockS("ADIS:2,%d,%d;", mypid, flag);
}
/*
* Check BBS open status, return FALSE if the bbs is closed.
* Display the reason why to the user.
*/
int CheckStatus()
{
static char buf[81];
sprintf(buf, "SBBS:0;");
if (socket_send(buf) == 0) {
strcpy(buf, socket_receive());
if (strncmp(buf, "100:2,0", 7) == 0)
return TRUE;
if ((strncmp(buf, "100:2,2", 7) == 0) && (!ttyinfo.honor_zmh))
return TRUE;
buf[strlen(buf) -1] = '\0';
printf("\n\n\007*** %s ***\n\n\n", buf+8);
fflush(stdout);
}
return FALSE;
}
/*
* Function to check if UserName exists and returns a 0 or 1
*/
int CheckName(char *Name)
{
FILE *fp;
int Status = FALSE;
char *temp, *temp1;
struct userhdr ushdr;
struct userrec us;
temp = calloc(81, sizeof(char));
temp1 = calloc(81, sizeof(char));
strcpy(temp1, tl(Name));
sprintf(temp, "%s/etc/users.data", getenv("MBSE_ROOT"));
if ((fp = fopen(temp,"rb")) != NULL) {
fread(&ushdr, sizeof(ushdr), 1, fp);
while (fread(&us, ushdr.recsize, 1, fp) == 1) {
strcpy(temp, tl(us.sUserName));
if((strcmp(temp, temp1)) == 0) {
Status = TRUE;
break;
}
}
fclose(fp);
}
free(temp);
free(temp1);
return Status;
}
/*
* Function will check and create a home directory for the user if
* needed. It will also change into the users home directory when
* they login.
*/
char *ChangeHomeDir(char *Name, int Mailboxes)
{
char *temp;
static char temp1[PATH_MAX];
FILE *fp;
temp = calloc(PATH_MAX, sizeof(char));
/*
* set umask bits to zero's then reset with mkdir
*/
umask(000);
/*
* First check to see if users home directory exists
* else try create directory, as set in CFG.bbs_usersdir
*/
if ((access(CFG.bbs_usersdir, R_OK)) != 0) {
WriteError("$FATAL: Access to %s failed", CFG.bbs_usersdir);
free(temp);
ExitClient(1);
}
sprintf(temp1, "%s/%s", CFG.bbs_usersdir, Name);
/*
* Then check to see if users directory exists in the home dir
*/
if ((access(temp1, R_OK)) != 0) {
WriteError("$FATAL: Users homedir %s doesn't exist", temp1);
free(temp);
ExitClient(1);
}
/*
* Change to users home directory
*/
if (chdir(temp1) != 0) {
WriteError("$FATAL: Can't change to users home dir, aborting: %s", temp1);
free(temp);
ExitClient(1);
}
setenv("HOME", temp1, 1);
/*
* Check if user has a .signature file.
* If not, create a simple one.
*/
sprintf(temp, "%s/%s/.signature", CFG.bbs_usersdir, Name);
if (access(temp, R_OK)) {
Syslog('+', "Creating users .signature file");
if ((fp = fopen(temp, "w")) == NULL) {
WriteError("$Can't create %s", temp);
} else {
fprintf(fp, " Gtx, %s\n", exitinfo.sUserName);
if (CFG.EmailMode == E_PRMISP)
fprintf(fp, " email: %s@%s\n", exitinfo.Name, CFG.sysdomain);
fclose(fp);
}
}
/*
* Check subdirectories, create them if they don't exist.
*/
sprintf(temp, "%s/wrk", temp1);
CheckDir(temp);
sprintf(temp, "%s/tag", temp1);
CheckDir(temp);
sprintf(temp, "%s/upl", temp1);
CheckDir(temp);
sprintf(temp, "%s/tmp", temp1);
CheckDir(temp);
sprintf(temp, "%s/.dosemu", temp1);
CheckDir(temp);
sprintf(temp, "%s/.dosemu/run", temp1);
CheckDir(temp);
sprintf(temp, "%s/.dosemu/tmp", temp1);
CheckDir(temp);
umask(007);
/*
* Check users private emailboxes
*/
if (Mailboxes) {
sprintf(temp, "%s/mailbox", temp1);
if (Msg_Open(temp))
Msg_Close();
sprintf(temp, "%s/archive", temp1);
if (Msg_Open(temp))
Msg_Close();
sprintf(temp, "%s/trash", temp1);
if (Msg_Open(temp))
Msg_Close();
}
free(temp);
return temp1;
}
void CheckDir(char *dir)
{
if ((access(dir, R_OK) != 0)) {
Syslog('+', "Creating %s", dir);
if (mkdir(dir, 0770))
WriteError("$Can't create %s", dir);
}
}
/*
* Function will find where MBSE is located on system and load
* the file $MBSE_ROOT/etc/config.data in memory.
*/
void FindMBSE()
{
FILE *pDataFile;
static char p[81];
char *FileName;
struct passwd *pw;
FileName = calloc(PATH_MAX, sizeof(char));
/*
* Check if the environment is set, if not, then we create the
* environment from the passwd file.
*/
if (getenv("MBSE_ROOT") == NULL) {
pw = getpwnam("mbse");
memset(&p, 0, sizeof(p));
sprintf(p, "MBSE_ROOT=%s", pw->pw_dir);
putenv(p);
}
if (getenv("MBSE_ROOT") == NULL) {
printf("FATAL ERROR: Environment variable MBSE_ROOT not set\n");
free(FileName);
#ifdef MEMWATCH
mwTerm();
#endif
exit(1);
}
sprintf(FileName, "%s/etc/config.data", getenv("MBSE_ROOT"));
if(( pDataFile = fopen(FileName, "rb")) == NULL) {
printf("FATAL ERROR: Can't open %s for reading!\n", FileName);
printf("Please run mbsetup to create configuration file.\n");
printf("Or check that your environment variable MBSE_ROOT is set to the BBS Path!\n");
free(FileName);
#ifdef MEMWATCH
mwTerm();
#endif
exit(1);
}
fread(&CFG, sizeof(CFG), 1, pDataFile);
free(FileName);
fclose(pDataFile);
}
/*
* Returns Mmm in the users language.
*/
char *GetMonth(int Month)
{
static char month[10];
switch (Month) {
case 1:
strcpy(month, *(mLanguage + 398));
break;
case 2:
strcpy(month, *(mLanguage + 399));
break;
case 3:
strcpy(month, *(mLanguage + 400));
break;
case 4:
strcpy(month, *(mLanguage + 401));
break;
case 5:
strcpy(month, *(mLanguage + 402));
break;
case 6:
strcpy(month, *(mLanguage + 403));
break;
case 7:
strcpy(month, *(mLanguage + 404));
break;
case 8:
strcpy(month, *(mLanguage + 405));
break;
case 9:
strcpy(month, *(mLanguage + 406));
break;
case 10:
strcpy(month, *(mLanguage + 407));
break;
case 11:
strcpy(month, *(mLanguage + 408));
break;
case 12:
strcpy(month, *(mLanguage + 409));
break;
default:
strcpy(month, "Unknown");
}
return(month);
}
/* Returns DD-Mmm-YYYY */
char *GLCdateyy()
{
static char GLcdateyy[15];
char ntime[15];
Time_Now = time(NULL);
l_date = localtime(&Time_Now);
sprintf(GLcdateyy,"%02d-",
l_date->tm_mday);
sprintf(ntime,"-%02d", l_date->tm_year+1900);
strcat(GLcdateyy, GetMonth(l_date->tm_mon+1));
strcat(GLcdateyy,ntime);
return(GLcdateyy);
}
/*
* Security Access Check
*/
int Access(securityrec us, securityrec ref)
{
Syslog('B', "User %5d %08lx %08lx", us.level, us.flags, ~us.flags);
Syslog('B', "Ref. %5d %08lx %08lx", ref.level, ref.flags, ref.notflags);
if (us.level < ref.level)
return FALSE;
if ((ref.notflags & ~us.flags) != ref.notflags)
return FALSE;
if ((ref.flags & us.flags) != ref.flags)
return FALSE;
return TRUE;
}