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deb-mbse/mbsebbs/mbsebbs.c
2007-10-14 12:59:29 +00:00

426 lines
12 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Main startup
*
*****************************************************************************
* Copyright (C) 1997-2007
*
* 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 "../lib/msg.h"
#include "mbsebbs.h"
#include "user.h"
#include "dispfile.h"
#include "language.h"
#include "menu.h"
#include "misc.h"
#include "bye.h"
#include "timeout.h"
#include "funcs.h"
#include "term.h"
#include "ttyio.h"
#include "openport.h"
#include "input.h"
extern int do_quiet; /* Logging quiet flag */
time_t t_start;
int cols = 80; /* Screen columns */
int rows = 24; /* Screen rows */
#ifdef HAVE_GEOIP_H
extern void _GeoIP_setup_dbfilename(void);
void geoiplookup(GeoIP* gi, char *hostname, int i)
{
const char * country_code;
const char * country_name;
const char * country_continent;
int country_id;
if (GEOIP_COUNTRY_EDITION == i) {
country_id = GeoIP_id_by_name(gi, hostname);
Syslog('b', "geoiplookup '%s', id=%d", hostname, country_id);
country_code = GeoIP_country_code[country_id];
country_name = GeoIP_country_name[country_id];
country_continent = GeoIP_country_continent[country_id];
if (country_code == NULL) {
Syslog('+', "%s: IP Address not found\n", GeoIPDBDescription[i]);
} else {
Syslog('+', "GeoIP location: %s, %s %s\n", country_name, country_code, country_continent);
}
}
}
#endif
int main(int argc, char **argv)
{
FILE *pTty;
char *p, *tty, temp[PATH_MAX];
int i, rc, Fix;
struct stat sb;
struct winsize ws;
unsigned char ch = 0;
#ifdef HAVE_GEOIP_H
char *hostname;
GeoIP *gi;
#endif
pTTY = calloc(15, sizeof(char));
tty = ttyname(1);
/*
* Find username from the environment
*/
sUnixName[0] = '\0';
if (getenv("LOGNAME") != NULL) {
strncpy(sUnixName, getenv("LOGNAME"), 8);
} else if (getenv("USER") != NULL) {
strcpy(sUnixName, getenv("USER"));
} else {
fprintf(stderr, "No username in environment\n");
Quick_Bye(MBERR_OK);
}
/*
* Get MBSE_ROOT Path and load Config into Memory
*/
FindMBSE();
/*
* Set local time and statistic indexes.
*/
Time_Now = t_start = time(NULL);
l_date = localtime(&Time_Now);
Diw = l_date->tm_wday;
Miy = l_date->tm_mon;
ltime = time(NULL);
/*
* Initialize this client with the server.
*/
do_quiet = TRUE;
InitClient(sUnixName, (char *)"mbsebbs", (char *)"Unknown", CFG.logfile,
CFG.bbs_loglevel, CFG.error_log, CFG.mgrlog, CFG.debuglog);
IsDoing("Loging in");
Syslog(' ', " ");
Syslog(' ', "MBSEBBS v%s", VERSION);
if ((rc = rawport()) != 0) {
WriteError("Unable to set raw mode");
Quick_Bye(MBERR_OK);;
}
if (ioctl(1, TIOCGWINSZ, &ws) != -1 && (ws.ws_col > 0) && (ws.ws_row > 0)) {
cols = ws.ws_col;
rows = ws.ws_row;
PUTSTR((char *)"Loading MBSE BBS ...");
Enter(1);
} else {
Syslog('b', "Could not get screensize using ioctl() call");
if (getenv("LINES") != NULL) {
rows = atoi(getenv("LINES"));
PUTSTR((char *)"Loading MBSE BBS ...");
Enter(1);
} else {
Syslog('b', "Could not get screensize from environment too");
/*
* Next idea borrowed from Synchronet BBS
*/
PUTSTR((char *)"\r\n"); /* Locate cursor at column 1 */
PUTSTR((char *)"\x1b[s"); /* Save cursor position (necessary for HyperTerm auto-ANSI) */
PUTSTR((char *)"\x1b[99B_"); /* locate cursor as far down as possible */
PUTSTR((char *)"\x1b[6n"); /* Get cursor position */
PUTSTR((char *)"\x1b[u"); /* Restore cursor position */
// PUTSTR((char *)"\x1b[!_"); /* RIP? */
// PUTSTR((char *)"\x1b[0t_"); /* WIP? */
// PUTSTR((char *)"\2\2?HTML?"); /* HTML? */
PUTSTR((char *)"\x1b[0m_"); /* "Normal" colors */
PUTSTR((char *)"\x1b[2J"); /* clear screen */
PUTSTR((char *)"\x1b[H"); /* home cursor */
PUTSTR((char *)"\xC"); /* clear screen (in case not ANSI) */
PUTSTR((char *)"\r"); /* Move cursor left (in case previous char printed) */
PUTSTR((char *)"Loading MBSE BBS ..."); /* Let the user think something is happening */
Enter(1);
memset(&temp, 0, sizeof(temp));
for (i = 0; i < 10; i++) {
rc = Waitchar(&ch, 200); /* 4 seconds timeout */
if (rc == 1) {
temp[i] = ch;
if (ch > 31)
Syslog('b', "detect rc=%d ch=%d ch=%c", rc, ch, ch);
else
Syslog('b', "detect rc=%d ch=%d ch=^%c", rc, ch, ch+64);
}
if (rc == TIMEOUT)
break;
}
if ((temp[0] == '\x1b') && (temp[1] == '[') && strchr(temp, ';') /*&& strchr(temp, 'R') */) {
rows = atoi(strtok(temp +2, ";"));
Syslog('b', "detected ANSI cursor position at row %d", rows);
if (rows < 24)
rows = 24;
}
}
}
if ((p = getenv("CONNECT")) != NULL)
Syslog('+', "CONNECT %s", p);
if ((p = getenv("CALLER_ID")) != NULL)
if (strncmp(p, "none", 4))
Syslog('+', "CALLER_ID %s", p);
if ((p = getenv("TERM")) != NULL)
Syslog('+', "TERM=%s %dx%d", p, cols, rows);
else
Syslog('+', "TERM=invalid %dx%d", cols, rows);
if ((p = getenv("LANG")) != NULL)
Syslog('+', "LANG=%s", p);
if ((p = getenv("LC_ALL")) != NULL)
Syslog('+', "LC_ALL=%s", p);
/*
* Initialize
*/
snprintf(current_language, 10, "%s", CFG.deflang);
InitLanguage();
InitMenu();
memset(&MsgBase, 0, sizeof(MsgBase));
i = getpid();
if ((tty = ttyname(0)) == NULL) {
WriteError("Not at a tty");
Free_Language();
Quick_Bye(MBERR_OK);
}
if (strncmp("/dev/", tty, 5) == 0)
snprintf(pTTY, 15, "%s", tty+5);
else if (*tty == '/') {
tty = strrchr(ttyname(0), '/');
++tty;
snprintf(pTTY, 15, "%s", tty);
}
umask(007);
/*
* Trap signals
*/
for (i = 0; i < NSIG; i++) {
if ((i == SIGHUP) || (i == SIGPIPE) || (i == SIGBUS) || (i == SIGILL) || (i == SIGSEGV) || (i == SIGTERM) || (i == SIGIOT))
signal(i, (void (*))die);
else if (i == SIGCHLD)
signal(i, SIG_DFL);
}
/*
* Now it's time to check if the bbs is open. If not, we
* log the user off.
*/
if (CheckStatus() == FALSE) {
Syslog('+', "Kicking user out, the BBS is closed");
Free_Language();
Quick_Bye(MBERR_OK);
}
clear();
DisplayLogo();
snprintf(temp, 81, "MBSE BBS v%s (Release: %s) on %s/%s", VERSION, ReleaseDate, OsName(), OsCPU());
poutCR(YELLOW, BLACK, temp);
pout(WHITE, BLACK, (char *)COPYRIGHT);
/*
* Use 80 wide screens
*/
if (cols > 80)
cols = 80;
/*
* Check and report screens that are too small
*/
if ((cols < 80) || (rows < 24)) {
snprintf(temp, 81, "Your screen is set to %dx%d, we use 80x24 at least", cols, rows);
poutCR(LIGHTRED, BLACK, temp);
Enter(1);
cols = 80;
rows = 24;
} else {
Enter(2);
}
/*
* Check users homedirectory, some *nix systems let users in if no
* homedirectory exists. Then check the permissions.
*/
snprintf(temp, PATH_MAX, "%s/%s", CFG.bbs_usersdir, sUnixName);
if (stat(temp, &sb)) {
snprintf(temp, 81, "No homedirectory\r\n\r\n");
PUTSTR(temp);
WriteError("homedirectory %s doesn't exist", temp);
Quick_Bye(MBERR_OK);
}
Fix = FALSE;
if ((sb.st_mode & S_IRUSR) == 0) {
Fix = TRUE;
WriteError("No owner read access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IWUSR) == 0) {
Fix = TRUE;
WriteError("No owner write access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IXUSR) == 0) {
Fix = TRUE;
WriteError("No owner execute access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IRGRP) == 0) {
Fix = TRUE;
WriteError("No group read access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IWGRP) == 0) {
Fix = TRUE;
WriteError("No group write access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IXGRP) == 0) {
Fix = TRUE;
WriteError("No group execute access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IROTH)) {
Fix = TRUE;
WriteError("Others have read access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IWOTH)) {
Fix = TRUE;
WriteError("Others have write access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if ((sb.st_mode & S_IXOTH)) {
Fix = TRUE;
WriteError("Others have execute access in %s, mode is %04o", temp, sb.st_mode & 0x1ff);
}
if (Fix) {
if (chmod(temp, 0770)) {
WriteError("Could not set home directory mode to 0770");
snprintf(temp, 81, "Internal error, the sysop is notified");
poutCR(LIGHTRED, BLACK, temp);
Enter(1);
Quick_Bye(MBERR_OK);
} else {
Syslog('+', "Corrected home directory mode to 0770");
}
}
if (((p = getenv("REMOTEHOST")) != NULL) || ((p = getenv("SSH_CLIENT")) != NULL)) {
/*
* Network connection, no tty checking but fill a ttyinfo record.
*/
#ifdef HAVE_GEOIP_H
// hostname = inet_ntoa(peeraddr.sin_addr);
hostname = xstrcpy(p);
_GeoIP_setup_dbfilename();
if (GeoIP_db_avail(GEOIP_COUNTRY_EDITION)) {
if ((gi = GeoIP_open_type(GEOIP_COUNTRY_EDITION, GEOIP_STANDARD)) != NULL) {
geoiplookup(gi, hostname, GEOIP_COUNTRY_EDITION);
}
GeoIP_delete(gi);
}
#endif
memset(&ttyinfo, 0, sizeof(ttyinfo));
snprintf(ttyinfo.comment, 41, "%s", p);
snprintf(ttyinfo.tty, 7, "%s", pTTY);
snprintf(ttyinfo.speed, 21, "10 mbit");
snprintf(ttyinfo.flags, 31, "IBN,IFC,XX");
ttyinfo.type = NETWORK;
ttyinfo.available = TRUE;
ttyinfo.honor_zmh = FALSE;
snprintf(ttyinfo.name, 36, "Network port #%d", iNode);
} else {
/*
* Check if this port is available.
*/
snprintf(temp, PATH_MAX, "%s/etc/ttyinfo.data", getenv("MBSE_ROOT"));
if ((pTty = fopen(temp, "r")) == NULL) {
WriteError("Can't read %s", temp);
} else {
fread(&ttyinfohdr, sizeof(ttyinfohdr), 1, pTty);
while (fread(&ttyinfo, ttyinfohdr.recsize, 1, pTty) == 1) {
if (strcmp(ttyinfo.tty, pTTY) == 0)
break;
}
fclose(pTty);
if ((strcmp(ttyinfo.tty, pTTY) != 0) || (!ttyinfo.available)) {
Syslog('+', "No BBS allowed on port \"%s\"", pTTY);
snprintf(temp, 81, "No BBS on this port allowed!\r\n\r\n");
PUTSTR(temp);
Free_Language();
Quick_Bye(MBERR_OK);
}
}
}
/*
* Display Connect String if turned on.
*/
if (CFG.iConnectString) {
/* Connected from */
snprintf(temp, 81, "%s\"%s\" ", (char *) Language(348), ttyinfo.comment);
pout(CYAN, BLACK, temp);
/* line */
snprintf(temp, 81, "%s%d ", (char *) Language(31), iNode);
pout(CYAN, BLACK, temp);
/* on */
snprintf(temp, 81, "%s %s", (char *) Language(135), ctime(&ltime));
PUTSTR(temp);
Enter(1);
}
/*
* Some debugging for me
*/
Syslog('b', "setlocale(LANG, NULL) returns \"%s\"", printable(setlocale(LANG, NULL), 0));
Syslog('b', "setlocale(LC_CTYPE, NULL) returns \"%s\"", printable(setlocale(LC_CTYPE, NULL), 0));
Syslog('b', "setlocale(LC_ALL, NULL) returns \"%s\"", printable(setlocale(LC_ALL, NULL), 0));
#ifndef __OpenBSD__
Syslog('b', "nl_langinfo(CODESET) returns \"%s\"", nl_langinfo(CODESET));
#endif
snprintf(sMailbox, 21, "mailbox");
colour(LIGHTGRAY, BLACK);
user();
return 0;
}