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deb-mbse/mbsebbs/user.c
Michiel Broek 2304c874a0 Completed client/server communications encoding
2005-10-17 18:02:00 +00:00

590 lines
16 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose ...............: Main user login procedure. Checks for limits,
* new ratio's cats all the welcome screens, and
* does a lot of checking in general.
*
*****************************************************************************
* Copyright (C) 1997-2005
*
* 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/mbselib.h"
#include "../lib/mbse.h"
#include "../lib/users.h"
#include "timeout.h"
#include "user.h"
#include "dispfile.h"
#include "funcs.h"
#include "input.h"
#include "misc.h"
#include "bye.h"
#include "file.h"
#include "mail.h"
#include "change.h"
#include "menu.h"
#include "exitinfo.h"
#include "language.h"
#include "offline.h"
#include "email.h"
#include "term.h"
#include "ttyio.h"
extern int sock;
extern int cols;
extern int rows;
extern pid_t mypid;
char *StartTime = NULL;
/*
* Non global function prototypes
*/
void SwapDate(char *, char *); /* Swap two Date strings around */
void GetLastUser(void);
void GetLastUser(void)
{
FILE *pCallerLog;
char *sDataFile;
sDataFile = calloc(PATH_MAX, sizeof(char));
snprintf(sDataFile, PATH_MAX, "%s/etc/sysinfo.data", getenv("MBSE_ROOT"));
/*
* Fix security in case it is wrong.
*/
chmod(sDataFile, 0660);
if((pCallerLog = fopen(sDataFile, "r+")) == NULL)
WriteError("GetLastUser: Can't open file: %s", sDataFile);
else {
fread(&SYSINFO, sizeof(SYSINFO), 1, pCallerLog);
/* Get lastcaller in memory */
strcpy(LastCaller, SYSINFO.LastCaller);
LastCallerTime = SYSINFO.LastTime;
/* Set next lastcaller (this user) */
if (!usrconfig.Hidden) {
strcpy(SYSINFO.LastCaller,exitinfo.sUserName);
SYSINFO.LastTime = time(NULL);
}
SYSINFO.SystemCalls++;
switch(ttyinfo.type) {
case POTS:
SYSINFO.Pots++;
break;
case ISDN:
SYSINFO.ISDN++;
break;
case NETWORK:
SYSINFO.Network++;
break;
case LOCAL:
SYSINFO.Local++;
break;
}
rewind(pCallerLog);
fwrite(&SYSINFO, sizeof(SYSINFO), 1, pCallerLog);
fclose(pCallerLog);
}
free(sDataFile);
}
/*
* Function will take two date strings in the following format DD-MM-YYYY and
* swap them around in the following format YYYYMMDD
* ie. 01-02-1995 will become 19950201 so that the leading Zeros are not in
* the beginning as leading Zeros will fall away if you try compare the
* two with a if statement (Millenium proof).
*/
void SwapDate(char *Date3, char *Date4)
{
char *temp2, *temp3;
temp2 = calloc(10, sizeof(char));
temp3 = calloc(10, sizeof(char));
Date1 = calloc(10, sizeof(char));
Date2 = calloc(10, sizeof(char));
temp2[0] = Date3[6];
temp2[1] = Date3[7];
temp2[2] = Date3[8];
temp2[3] = Date3[9];
temp2[4] = Date3[3];
temp2[5] = Date3[4];
temp2[6] = Date3[0];
temp2[7] = Date3[1];
temp2[8] = '\0';
temp3[0] = Date4[6];
temp3[1] = Date4[7];
temp3[2] = Date4[8];
temp3[3] = Date4[9];
temp3[4] = Date4[3];
temp3[5] = Date4[4];
temp3[6] = Date4[0];
temp3[7] = Date4[1];
temp3[8] = '\0';
strcpy(Date1, temp2);
strcpy(Date2, temp3);
free(temp2);
free(temp3);
}
void user(void)
{
FILE *pUsrConfig, *pLimits;
int i, x, FoundName = FALSE, iFoundLimit = FALSE, IsNew = FALSE, logins = 0, Start;
int l1, l2;
char *token, temp[PATH_MAX], temp1[84], UserName[37], buf[128], *fullname;
time_t LastLogin;
struct stat st;
grecno = 0;
Syslog('+', "Unixmode login: %s", sUnixName);
snprintf(temp, PATH_MAX, "%s/etc/users.data", getenv("MBSE_ROOT"));
if ((pUsrConfig = fopen(temp,"r+")) == NULL) {
/*
* This should not happen.
*/
WriteError("$Can't open %s", temp);
PUTSTR((char *)"Can't open userfile, run \"newuser\" first");
Enter(1);
ExitClient(MBERR_OK);
}
fread(&usrconfighdr, sizeof(usrconfighdr), 1, pUsrConfig);
while (fread(&usrconfig, usrconfighdr.recsize, 1, pUsrConfig) == 1) {
if (strcmp(usrconfig.Name, sUnixName) == 0) {
FoundName = TRUE;
break;
} else
grecno++;
}
if (!FoundName) {
fclose(pUsrConfig);
snprintf(temp, PATH_MAX, "Unknown username: %s\r\n", sUnixName);
PUTSTR(temp);
/* FATAL ERROR: You are not in the BBS users file.*/
snprintf(temp, PATH_MAX, "%s\r\n", (char *) Language(389));
PUTSTR(temp);
/* Please run 'newuser' to create an account */
snprintf(temp, PATH_MAX, "%s\r\n", (char *) Language(390));
PUTSTR(temp);
Syslog('?', "FATAL: Could not find user in BBS users file.");
Syslog('?', " and system is using unix accounts\n");
Free_Language();
ExitClient(MBERR_OK);
}
/*
* Copy username, split first and lastname.
*/
strncpy(UserName, usrconfig.sUserName, sizeof(UserName)-1);
if ((strchr(UserName,' ') == NULL) && !CFG.iOneName) {
token = strtok(UserName, " ");
strncpy(FirstName, token, sizeof(FirstName)-1);
token = strtok(NULL, "\0");
i = strlen(token);
for (x = 2; x < i; x++) {
if (token[x] == ' ')
token[x] = '\0';
}
strncpy(LastName, token, sizeof(LastName)-1);
} else
strncpy(FirstName, UserName, sizeof(FirstName)-1);
strncpy(UserName, usrconfig.sUserName, sizeof(UserName)-1);
Syslog('+', "%s On-Line from \"%s\", node %d", UserName, ttyinfo.comment, iNode);
IsDoing("Just Logged In");
/*
* Check some essential files, create them if they don't exist.
*/
ChkFiles();
/*
* Setup users favourite language.
*/
Set_Language(usrconfig.iLanguage);
Free_Language();
InitLanguage();
/*
* User logged in, tell it to the server. Check if a location is
* set, if Ask User location for new users is off, this field is
* empty but we have to send something to the server.
*/
if (strlen(usrconfig.sLocation))
UserCity(mypid, usrconfig.Name, usrconfig.sLocation);
else
UserCity(mypid, usrconfig.Name, (char *)"N/A");
TermInit(usrconfig.GraphMode);
/*
* Count simultaneous logins
*/
Start = TRUE;
while (TRUE) {
if (Start)
snprintf(buf, 128, "GMON:1,1;");
else
snprintf(buf, 128, "GMON:1,0;");
Start = FALSE;
if (socket_send(buf) == 0) {
strcpy(buf, socket_receive());
if (strncmp(buf, "100:0;", 6) == 0)
break; /* No more data */
if (strstr(buf, "mbsebbs")) {
/*
* Only mbsebbs is wanted
*/
strtok(buf, ","); /* response */
strtok(NULL, ","); /* pid */
strtok(NULL, ","); /* tty */
fullname = xstrcpy(cldecode(strtok(NULL, ","))); /* username */
if (strcmp(fullname, usrconfig.Name) == 0) {
logins++;
}
free(fullname);
}
}
}
if (CFG.max_logins && (logins > CFG.max_logins)) {
Syslog('+', "User logins %d, allowed %d, disconnecting", logins, CFG.max_logins);
colour(LIGHTRED, BLACK);
snprintf(temp, PATH_MAX, "%s %d %s\r\n", (char *) Language(18), CFG.max_logins, (char *) Language(19));
PUTSTR(temp);
Quick_Bye(MBERR_INIT_ERROR);
}
/*
* Set last file and message area so these numbers are saved when
* the user hangs up or is logged off before het gets to the main
* menu. Later in this function the areas are set permanent.
*/
iAreaNumber = usrconfig.iLastFileArea;
iMsgAreaNumber = usrconfig.iLastMsgArea;
/*
* See if this user is the Sysop.
*/
strcpy(temp, UserName);
strcpy(temp1, CFG.sysop_name);
if ((strcasecmp(CFG.sysop_name, UserName)) == 0) {
/*
* If login name is sysop, set SYSOP true
*/
SYSOP = TRUE;
Syslog('+', "Sysop is online");
}
/*
* Is this a new user?
*/
if (usrconfig.iTotalCalls == 0)
IsNew = TRUE;
/*
* Pause after logo screen.
*/
alarm_on();
Pause();
if (usrconfig.Archiver[0] == '\0') {
usrconfig.Archiver[0] = 'Z';
usrconfig.Archiver[1] = 'I';
usrconfig.Archiver[2] = 'P';
Syslog('+', "Setup default archiver ZIP");
}
/*
* Check users date format. We do it strict as we
* need this to be good for several other purposes.
* If it is correct, the users age is set in UserAge
*/
if (!Test_DOB(usrconfig.sDateOfBirth)) {
Syslog('!', "Error in Date of Birth");
Chg_DOB();
strcpy(usrconfig.sDateOfBirth, exitinfo.sDateOfBirth);
}
/*
* Check to see if user must expire
*/
snprintf(temp,PATH_MAX, "%s", (char *) GetDateDMY());
SwapDate(temp, usrconfig.sExpiryDate);
/* Convert Date1 & Date2 to longs for compare */
l1 = atol(Date1);
l2 = atol(Date2);
if (l1 >= l2 && l2 != 0) {
/*
* If Expiry Date is the same as today expire to
* Expire Sec level
*/
usrconfig.Security = usrconfig.ExpirySec;
Syslog('!', "User is expired, resetting level");
/*
* Show texfile to user telling him about this.
*/
DisplayFile((char *)"expired");
}
free(Date1);
free(Date2);
/*
* Copy limits.data into memory
*/
snprintf(temp, PATH_MAX, "%s/etc/limits.data", getenv("MBSE_ROOT"));
if ((pLimits = fopen(temp,"rb")) == NULL) {
WriteError("$Can't open %s", temp);
} else {
fread(&LIMIThdr, sizeof(LIMIThdr), 1, pLimits);
while (fread(&LIMIT, sizeof(LIMIT), 1, pLimits) == 1) {
if (LIMIT.Security == usrconfig.Security.level) {
iFoundLimit = TRUE;
break;
}
}
fclose(pLimits);
}
if (!iFoundLimit) {
WriteError("Unknown Security Level in limits.data");
usrconfig.iTimeLeft = 0; /* Could not find limit, so set to Zero */
usrconfig.iTimeUsed = 0; /* Set to Zero as well */
} else {
/*
* Give user new time limit everyday, also new users get a new limit.
*/
snprintf(temp,PATH_MAX, "%s", (char *) GetDateDMY());
if (((strcmp(StrDateDMY(usrconfig.tLastLoginDate), temp)) != 0) || IsNew) {
/*
* If no timelimit set give user 24 hours.
*/
if (LIMIT.Time)
usrconfig.iTimeLeft = LIMIT.Time;
else
usrconfig.iTimeLeft = 86400;
usrconfig.iTimeUsed = 0; /* Set time used today to Zero */
usrconfig.iConnectTime = 0; /* Set connect time to Zero */
/*
* Give user new bytes and files every day if needed.
*/
if (LIMIT.DownK) {
usrconfig.DownloadKToday = LIMIT.DownK;
}
if (LIMIT.DownF) {
usrconfig.DownloadsToday = LIMIT.DownF;
}
}
} /* End of else */
usrconfig.iConnectTime = 0;
/* Copy Users Protocol into Memory */
Set_Protocol(usrconfig.sProtocol);
tlf(usrconfig.sProtocol);
/*
* Set last login Date and Time, copy previous session
* values in memory.
*/
snprintf(LastLoginDate, 12, "%s", StrDateDMY(usrconfig.tLastLoginDate));
snprintf(LastLoginTime, 9, "%s", StrTimeHMS(usrconfig.tLastLoginDate));
LastLogin = usrconfig.tLastLoginDate;
usrconfig.tLastLoginDate = ltime; /* Set current login to current date */
usrconfig.iTotalCalls++;
/*
* Update user record.
*/
if (fseek(pUsrConfig, usrconfighdr.hdrsize + (grecno * usrconfighdr.recsize), 0) != 0) {
WriteError("Can't seek in %s/etc/users.data", getenv("MBSE_ROOT"));
} else {
fwrite(&usrconfig, sizeof(usrconfig), 1, pUsrConfig);
}
fclose(pUsrConfig);
/*
* Write users structure to tmp file in ~/home/unixname/exitinfo
* A copy of the userrecord is also in the variable exitinfo.
*/
if (! InitExitinfo())
Good_Bye(MBERR_INIT_ERROR);
/*
* If user has not set a preferred character set, force this
*/
if (exitinfo.Charset == FTNC_NONE) {
Chg_Charset();
}
setlocale(LC_CTYPE, getlocale(exitinfo.Charset));
Syslog('b', "setlocale(LC_CTYPE, NULL) returns \"%s\"", printable(setlocale(LC_CTYPE, NULL), 0));
GetLastUser();
StartTime = xstrcpy(GetLocalHM());
ChangeHomeDir(exitinfo.Name, exitinfo.Email);
Syslog('+', "User successfully logged into BBS");
Syslog('+', "Level %d (%s), %d mins. left, port %s", exitinfo.Security.level, LIMIT.Description, exitinfo.iTimeLeft, pTTY);
Time2Go = time(NULL);
Time2Go += exitinfo.iTimeLeft * 60;
iUserTimeLeft = exitinfo.iTimeLeft;
IsDoing("Welcome screens");
DisplayFile((char *)"mainlogo");
DisplayFile((char *)"welcome");
/*
* The following files are only displayed if the user has
* turned the Bulletins on.
*/
if (exitinfo.ieNEWS) {
DisplayFile((char *)"welcome1");
DisplayFile((char *)"welcome2");
DisplayFile((char *)"welcome3");
DisplayFile((char *)"welcome4");
DisplayFile((char *)"welcome5");
DisplayFile((char *)"welcome6");
DisplayFile((char *)"welcome7");
DisplayFile((char *)"welcome8");
DisplayFile((char *)"welcome9");
snprintf(temp, PATH_MAX, "%s", (char *) GetDateDMY() );
if ((strcmp(exitinfo.sDateOfBirth, temp)) == 0)
DisplayFile((char *)"birthday");
/*
* Displays file if it exists DD-MM.A??
*/
snprintf(temp, PATH_MAX, "%s", (char *) GetDateDMY());
strcpy(temp1, "");
strncat(temp1, temp, 5);
snprintf(temp, PATH_MAX, "%s", temp1);
DisplayFile(temp);
/*
* Displays users security file if it exists
*/
snprintf(temp, PATH_MAX, "sec%d", exitinfo.Security.level);
DisplayFile(temp);
/*
* Display News file
*/
DisplayFile((char *)"news");
}
/*
* Display Onceonly file, first get the date of that
* file, search order is the same as in DisplayFile()
*/
st.st_mtime = 0;
if (exitinfo.GraphMode) {
snprintf(temp, PATH_MAX, "%s/onceonly.ans", lang.TextPath);
stat(temp, &st);
if (st.st_mtime == 0) {
snprintf(temp, PATH_MAX, "%s/onceonly.ans", CFG.bbs_txtfiles);
stat(temp, &st);
}
}
if (st.st_mtime == 0) {
snprintf(temp, PATH_MAX, "%s/onceonly.asc", lang.TextPath);
stat(temp, &st);
if (st.st_mtime == 0) {
snprintf(temp, PATH_MAX, "%s/onceonly.asc", CFG.bbs_txtfiles);
stat(temp, &st);
}
}
if ((st.st_mtime != 0) && (LastLogin < st.st_mtime))
DisplayFile((char *)"onceonly");
OLR_SyncTags();
if (exitinfo.MailScan) {
IsDoing("New mail check");
CheckMail();
}
/*
* We don't show new files to new users.
*/
if (exitinfo.ieFILE && (!IsNew)) {
IsDoing("New files check");
NewfileScan(FALSE);
}
/*
* Copy last file Area in to current Area
*/
SetFileArea(exitinfo.iLastFileArea);
/*
* Copy Last Message Area in to Current Msg Area
*/
SetMsgArea(usrconfig.iLastMsgArea);
SetEmailArea((char *)"mailbox");
/*
* Set or Reset the DoNotDisturb flag, now is the time
* we may be interrupted.
*/
UserSilent(usrconfig.DoNotDisturb);
/*
* Start the menu.
*/
menu();
}
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