389 lines
11 KiB
C
389 lines
11 KiB
C
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/*****************************************************************************
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*
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* $Id: door.c,v 1.26 2007/02/25 20:28:09 mbse Exp $
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* Purpose ...............: Run external door
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*
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*****************************************************************************
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* Copyright (C) 1997-2007
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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/mbse.h"
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#include "../lib/users.h"
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#include "language.h"
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#include "input.h"
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#include "timeout.h"
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#include "exitinfo.h"
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#include "whoson.h"
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#include "door.h"
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#include "term.h"
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#include "ttyio.h"
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#include "openport.h"
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extern time_t t_start;
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extern int e_pid;
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extern char **environ;
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extern int cols;
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extern int rows;
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char *Gdate(time_t, int);
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char *Gdate(time_t tt, int Y2K)
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{
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static char GLC[15];
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struct tm *tm;
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tm = localtime(&tt);
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if (Y2K)
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snprintf(GLC, 15, "%02d-%02d-%04d", tm->tm_mon +1, tm->tm_mday, tm->tm_year + 1900);
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else
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snprintf(GLC, 15, "%02d-%02d-%02d", tm->tm_mon +1, tm->tm_mday, tm->tm_year % 100);
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return (GLC);
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}
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char *Rdate(char *, int);
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char *Rdate(char *ind, int Y2K)
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{
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static char GLC[15];
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memset(&GLC, 0, sizeof(GLC));
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GLC[0] = ind[3];
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GLC[1] = ind[4];
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GLC[2] = '-';
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GLC[3] = ind[0];
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GLC[4] = ind[1];
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GLC[5] = '-';
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if (Y2K) {
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GLC[6] = ind[6];
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GLC[7] = ind[7];
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GLC[8] = ind[8];
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GLC[9] = ind[9];
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} else {
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GLC[6] = ind[8];
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GLC[7] = ind[9];
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}
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return GLC;
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}
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/*
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* Function will run a external program or door
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*/
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void ExtDoor(char *Program, int NoDoorsys, int Y2Kdoorsys, int Comport, int NoSuid, int NoPrompt, int SingleUser, char *What)
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{
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char *String, *String1;
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int i, rc, Start;
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char *temp1, buf[128];
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FILE *fp;
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temp1 = calloc(PATH_MAX, sizeof(char));
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String = calloc(81, sizeof(char));
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Start = TRUE;
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if (SingleUser && What) {
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/*
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* Check if the door is in use
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*/
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while (TRUE) {
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if (Start)
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snprintf(buf, 128, "GMON:1,1;");
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else
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snprintf(buf, 128, "GMON:1,0;");
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Start = FALSE;
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if (socket_send(buf) == 0) {
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strcpy(buf, socket_receive());
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if (strncmp(buf, "100:0;", 6) == 0)
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break; /* No more data */
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if (strstr(buf, "mbsebbs")) {
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strtok(buf, ","); /* Nr of parameters */
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strtok(NULL, ","); /* Pid */
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strtok(NULL, ","); /* tty */
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strtok(NULL, ","); /* username */
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strtok(NULL, ","); /* program name */
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strtok(NULL, ","); /* location */
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if (strcmp(strtok(NULL, ","), menus.DoorName) == 0) {
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Syslog('+', "User tried single user door %s, but door is in use", menus.DoorName);
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Enter(1);
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/* The door is in use by another user, try again later */
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pout(LIGHTRED, BLACK, (char *) Language(20));
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Enter(2);
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Pause();
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free(temp1);
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free(String);
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return;
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}
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}
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}
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}
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}
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WhosDoingWhat(DOOR, What);
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if ((strstr(Program, "/N")) != NULL) {
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snprintf(temp1, 81, "%d", iNode);
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strreplace(Program, (char *)"/N", temp1);
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}
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if ((strstr(Program, "/A")) != NULL) {
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Enter(1);
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colour(CYAN, BLACK);
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if ((String = strstr(Program, "/T=")) != NULL) {
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String1 = String + 3;
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PUTSTR(String1);
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} else
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PUTSTR((char *)"Please enter filename: ");
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colour(CFG.InputColourF, CFG.InputColourB);
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GetstrC(temp1, 80);
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strreplace(Program, (char *)"/A", temp1);
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for (i = 0; i < strlen(Program); i++) {
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if (*(Program + i) == '\0')
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break;
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if (*(Program + i) == '/')
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*(Program + i) = '\0';
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}
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}
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free(String);
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Syslog('+', "Door: %s", Program);
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ReadExitinfo();
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alarm_set((exitinfo.iTimeLeft * 60) - 10);
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Altime((exitinfo.iTimeLeft * 60));
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/*
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* Always remove the old door.sys first.
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*/
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snprintf(temp1, PATH_MAX, "%s/%s/door.sys", CFG.bbs_usersdir, exitinfo.Name);
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unlink(temp1);
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/*
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* Write door.sys in users homedirectory
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*/
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if (!NoDoorsys) {
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if ((fp = fopen(temp1, "w+")) == NULL) {
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WriteError("$Can't create %s", temp1);
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} else {
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if (Comport) {
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fprintf(fp, "COM1:\r\n"); /* COM port */
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fprintf(fp, "19200\r\n");/* Effective baudrate */
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} else {
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fprintf(fp, "COM0:\r\n");/* COM port */
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fprintf(fp, "0\r\n"); /* Effective baudrate */
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}
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fprintf(fp, "8\r\n"); /* Databits */
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fprintf(fp, "%d\r\n", iNode); /* Node number */
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if (Comport)
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fprintf(fp, "19200\r\n");/* Locked baudrate */
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else
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fprintf(fp, "%d\r\n", ttyinfo.portspeed); /* Locked baudrate */
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fprintf(fp, "Y\r\n"); /* Screen snoop */
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fprintf(fp, "N\r\n"); /* Printer on */
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fprintf(fp, "Y\r\n"); /* Page bell */
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fprintf(fp, "Y\r\n"); /* Caller alarm */
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fprintf(fp, "%s\r\n", exitinfo.sUserName);
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fprintf(fp, "%s\r\n", exitinfo.sLocation);
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fprintf(fp, "%s\r\n", exitinfo.sVoicePhone);
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fprintf(fp, "%s\r\n", exitinfo.sDataPhone);
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fprintf(fp, "%s\r\n", exitinfo.Password);
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fprintf(fp, "%d\r\n", exitinfo.Security.level);
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fprintf(fp, "%d\r\n", exitinfo.iTotalCalls);
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fprintf(fp, "%s\r\n", Gdate(exitinfo.tLastLoginDate, Y2Kdoorsys));
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fprintf(fp, "%d\r\n", exitinfo.iTimeLeft * 60); /* Seconds */
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fprintf(fp, "%d\r\n", exitinfo.iTimeLeft); /* Minutes */
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fprintf(fp, "GR\r\n"); /* Graphics GR,RIP,NG */
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fprintf(fp, "%d\r\n", rows);
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fprintf(fp, "N\r\n"); /* User mode, always N */
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fprintf(fp, "\r\n"); /* Always blank */
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fprintf(fp, "\r\n"); /* Always blank */
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fprintf(fp, "%s\r\n", Rdate(exitinfo.sExpiryDate, Y2Kdoorsys));
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fprintf(fp, "%d\r\n", grecno); /* Users recordnumber */
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fprintf(fp, "%s\r\n", exitinfo.sProtocol);
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fprintf(fp, "%d\r\n", exitinfo.Uploads);
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fprintf(fp, "%d\r\n", exitinfo.Downloads);
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fprintf(fp, "%d\r\n", LIMIT.DownK); /* FIXME: Download Kb today */
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fprintf(fp, "%d\r\n", LIMIT.DownK);
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fprintf(fp, "%s\r\n", Rdate(exitinfo.sDateOfBirth, Y2Kdoorsys));
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fprintf(fp, "\r\n"); /* Path to userbase */
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fprintf(fp, "\r\n"); /* Path to messagebase */
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fprintf(fp, "%s\r\n", CFG.sysop_name);
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fprintf(fp, "%s\r\n", exitinfo.sHandle);
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fprintf(fp, "none\r\n"); /* Next event time */
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fprintf(fp, "Y\r\n"); /* Error free connect. */
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fprintf(fp, "N\r\n"); /* Always N */
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fprintf(fp, "Y\r\n"); /* Always Y */
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fprintf(fp, "7\r\n"); /* Default textcolor */
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fprintf(fp, "0\r\n"); /* Always 0 */
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fprintf(fp, "%s\r\n", Gdate(exitinfo.tLastLoginDate, Y2Kdoorsys)); /* Last newfiles scan date */
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fprintf(fp, "%s\r\n", StrTimeHM(t_start)); /* Time of this call */
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fprintf(fp, "%s\r\n", LastLoginTime); /* Time of last call */
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fprintf(fp, "32768\r\n"); /* Always 32768 */
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fprintf(fp, "%d\r\n", exitinfo.DownloadsToday);
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fprintf(fp, "%d\r\n", exitinfo.UploadK);
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fprintf(fp, "%d\r\n", exitinfo.DownloadK);
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fprintf(fp, "%s\r\n", exitinfo.sComment);
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fprintf(fp, "0\r\n"); /* Always 0 */
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fprintf(fp, "%d\r\n\032", exitinfo.iPosted);
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fclose(fp);
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}
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}
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/*
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* Always remove the old door32.sys first.
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*/
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snprintf(temp1, PATH_MAX, "%s/%s/door32.sys", CFG.bbs_usersdir, exitinfo.Name);
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unlink(temp1);
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/*
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* Write door32.sys in users homedirectory
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*/
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if (!NoDoorsys) {
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if ((fp = fopen(temp1, "w+")) == NULL) {
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WriteError("$Can't create %s", temp1);
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} else {
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if (Comport) {
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fprintf(fp, "1\r\n"); /* COM type, 1=serial, 2=telnet */
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fprintf(fp, "1\r\n"); /* COM port number */
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fprintf(fp, "19200\r\n"); /* Effective baudrate */
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} else {
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fprintf(fp, "0\r\n"); /* COM type, 0=local */
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fprintf(fp, "0\r\n"); /* COM port */
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fprintf(fp, "0\r\n"); /* Effective baudrate */
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}
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fprintf(fp, "%s\r\n", CFG.bbs_name); /* BBS name */
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fprintf(fp, "%d\r\n", grecno); /* User record */
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fprintf(fp, "%s\r\n", exitinfo.sUserName); /* User's real name */
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fprintf(fp, "%s\r\n", exitinfo.sHandle); /* User's handle */
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fprintf(fp, "%d\r\n", exitinfo.Security.level); /* User's security level */
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fprintf(fp, "%d\r\n", exitinfo.iTimeLeft); /* User's time left in minutes */
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fprintf(fp, "1\r\n"); /* User's graphic mode */
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fprintf(fp, "%d\r\n\032", iNode); /* Node number */
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fclose(fp);
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}
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}
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clear();
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PUTSTR((char *)"Loading, please wait ...");
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Enter(2);
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/*
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* Put terminal back in cooked mode, prefered by some doors.
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*/
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cookedport();
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if (NoSuid)
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rc = exec_nosuid(Program);
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else
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rc = execute_str((char *)"/bin/sh", (char *)"-c", Program, NULL, NULL, NULL);
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/*
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* First set cookedport again, this will load our original saved
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* termios values. This way it doesn't matter what the door might
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* have done with the original termios.
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*/
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cookedport();
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rawport();
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Altime(0);
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alarm_off();
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alarm_on();
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Syslog('+', "Door end, rc=%d", rc);
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free(temp1);
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Enter(2);
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if (!NoPrompt)
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Pause();
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}
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/*
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* Execute a door as real user, not suid.
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*/
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int exec_nosuid(char *mandato)
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{
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int rc, status;
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pid_t pid;
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char *argv[4];
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if (mandato == NULL)
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return 1; /* Prevent running a shell */
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Syslog('+', "Execve: /bin/sh -c %s", mandato);
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pid = fork();
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if (pid == -1)
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return 1;
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if (pid == 0) {
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msleep(150);
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argv[0] = (char *)"sh";
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argv[1] = (char *)"-c";
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argv[2] = mandato;
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argv[3] = 0;
|
||
|
|
execve("/bin/sh", argv, environ);
|
||
|
|
exit(MBERR_EXEC_FAILED);
|
||
|
|
}
|
||
|
|
e_pid = pid;
|
||
|
|
|
||
|
|
do {
|
||
|
|
rc = waitpid(pid, &status, 0);
|
||
|
|
e_pid = 0;
|
||
|
|
} while (((rc > 0) && (rc != pid)) || ((rc == -1) && (errno == EINTR)));
|
||
|
|
|
||
|
|
switch(rc) {
|
||
|
|
case -1:
|
||
|
|
WriteError("$Waitpid returned %d, status %d,%d", rc,status>>8,status&0xff);
|
||
|
|
return -1;
|
||
|
|
case 0:
|
||
|
|
return 0;
|
||
|
|
default:
|
||
|
|
if (WIFEXITED(status)) {
|
||
|
|
rc = WEXITSTATUS(status);
|
||
|
|
if (rc) {
|
||
|
|
WriteError("Exec_nosuid: returned error %d", rc);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (WIFSIGNALED(status)) {
|
||
|
|
rc = WTERMSIG(status);
|
||
|
|
WriteError("Wait stopped on signal %d", rc);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
if (rc)
|
||
|
|
WriteError("Wait stopped unknown, rc=%d", rc);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|