/***************************************************************************** * * $Id$ * 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) 1997-2003 * * 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 "../config.h" #include "../lib/libs.h" #include "../lib/memwatch.h" #include "../lib/mbse.h" #include "../lib/structs.h" #include "../lib/users.h" #include "../lib/records.h" #include "../lib/common.h" #include "../lib/clcomm.h" #include "../lib/mberrors.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" extern int sock; extern pid_t mypid; char *StartTime; /* * 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)); sprintf(sDataFile, "%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() { FILE *pUsrConfig, *pLimits; int i, x, FoundName = FALSE, iFoundLimit = FALSE, IsNew = FALSE, logins = 0, Start; long 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); sprintf(temp, "%s/etc/users.data", getenv("MBSE_ROOT")); if ((pUsrConfig = fopen(temp,"r+")) == NULL) { /* * This should not happen. */ WriteError("$Can't open %s", temp); printf("Can't open userfile, run \"newuser\" first"); 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); printf("Unknown username: %s\n", sUnixName); /* FATAL ERROR: You are not in the BBS users file.*/ printf("%s\n", (char *) Language(389)); /* Please run 'newuser' to create an account */ printf("%s\n", (char *) Language(390)); Syslog('?', "FATAL: Could not find user in BBS users file."); Syslog('?', " and system is using unix accounts\n"); 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 at \"%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) sprintf(buf, "GMON:1,1;"); else sprintf(buf, "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(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); printf("%s %d %s\n", (char *) Language(18), CFG.max_logins, (char *) Language(19)); 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 */ sprintf(temp,"%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 */ sprintf(temp, "%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. */ sprintf(temp,"%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 && LIMIT.DownF) { usrconfig.DownloadKToday = LIMIT.DownK; 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. */ sprintf(LastLoginDate, "%s", StrDateDMY(usrconfig.tLastLoginDate)); sprintf(LastLoginTime, "%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); 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"); sprintf(temp, "%s", (char *) GetDateDMY() ); if ((strcmp(exitinfo.sDateOfBirth, temp)) == 0) DisplayFile((char *)"birthday"); /* * Displays file if it exists DD-MM.A?? */ sprintf(temp, "%s", (char *) GetDateDMY()); strcpy(temp1, ""); strncat(temp1, temp, 5); sprintf(temp, "%s", temp1); DisplayFile(temp); /* * Displays users security file if it exists */ sprintf(temp, "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) { sprintf(temp, "%s/onceonly.ans", lang.TextPath); stat(temp, &st); if (st.st_mtime == 0) { sprintf(temp, "%s/onceonly.ans", CFG.bbs_txtfiles); stat(temp, &st); } } if (st.st_mtime == 0) { sprintf(temp, "%s/onceonly.asc", lang.TextPath); stat(temp, &st); if (st.st_mtime == 0) { sprintf(temp, "%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(); }