deb-mbse/mbsebbs/mbstat.c

/*****************************************************************************
 *
 * $Id$
 * Purpose ...............: Change BBS status
 *
 *****************************************************************************
 * 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 "../config.h"
#include "../lib/libs.h"
#include "../lib/memwatch.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "../lib/dbcfg.h"
#include "mbstat.h"


extern	int	do_quiet;
time_t		t_start, t_end;


void Help(void)
{
	do_quiet = FALSE;
	ProgName();

	colour(11, 0);
	printf("\nUsage:	mbstat [command] <options>\n\n");
	colour(9, 0);
	printf("	Commands are:\n\n");
	colour(3, 0);
	printf("	c  close	Close the BBS for users\n");
	printf("	o  open		Open the BBS for users\n");
	printf("	s  set semafore Set named semafore\n");
	printf("	w  wait		Wait until the BBS is free\n\n");
	colour(9,0);
	printf("	Options are:\n\n");
	colour(3, 0);
	printf("	-q -quiet	Quiet, no screen output\n");
	colour(7, 0);
	die(0);
}



void ProgName(void)
{
	if (do_quiet)
		return;

	colour(15, 0);
	printf("\nMBSTAT: MBSE BBS %s Status Changer\n", VERSION);
	colour(14, 0);
	printf("        %s\n", COPYRIGHT);
	colour(3, 0);
}



void die(int onsig)
{
	signal(onsig, SIG_IGN);

	if (onsig)
		WriteError("Terminated on signal %d", onsig);

	if (!do_quiet) {
		colour(7, 0);
		printf("\n");
	}

	t_end = time(NULL);
	Syslog(' ', "MBSTAT finished in %s", t_elapsed(t_start, t_end));

	ExitClient(onsig);
}



int main(int argc, char **argv)
{
	int	i;
	char	*cmd, *semafore = NULL;
	int	do_open  = FALSE;
	int	do_close = FALSE;
	int	do_wait  = FALSE;
	int	do_sema  = FALSE;
	struct	passwd *pw;

#ifdef MEMWATCH
        mwInit();
#endif
	InitConfig();
	TermInit(1);
	t_start = time(NULL);

	/*
	 * Catch or ignore signals
	 */
	for (i = 0; i < NSIG; i++) {
		if ((i == SIGHUP) || (i == SIGINT) || (i == SIGBUS) ||
		    (i == SIGILL) || (i == SIGSEGV) || (i == SIGTERM) ||
		    (i == SIGKILL))
			signal(i, (void (*))die);
		else
			signal(i, SIG_IGN);
	}

	cmd = xstrcpy((char *)"Command line: mbstat");

	for (i = 1; i < argc; i++) {
		cmd = xstrcat(cmd, (char *)" ");
		cmd = xstrcat(cmd, tl(argv[i]));

		if (!strncmp(tl(argv[i]), "w", 1))
			do_wait = TRUE;
		if (!strncmp(tl(argv[i]), "o", 1))
			do_open = TRUE;
		if (!strncmp(tl(argv[i]), "c", 1))
			do_close = TRUE;
		if (!strncmp(tl(argv[i]), "s", 1)) {
			do_sema = TRUE;
			i++;
			semafore = xstrcpy(tl(argv[i]));
			cmd = xstrcat(cmd, (char *)" ");
			cmd = xstrcat(cmd, tl(argv[i]));
		}
		if (!strncmp(tl(argv[i]), "-q", 2))
			do_quiet = TRUE;
	}

	ProgName();
	pw = getpwuid(getuid());
	InitClient(pw->pw_name, (char *)"mbstat", CFG.location, CFG.logfile, CFG.util_loglevel, CFG.error_log);
	usleep(1);

	Syslog(' ', " ");
	Syslog(' ', "MBSTAT v%s", VERSION);
	Syslog(' ', cmd);
	free(cmd);

	if (!do_quiet) {
		colour(3, 0);
		printf("\n");
	}

	if (do_close)
		do_open = FALSE;

	if (do_open) {
		Open();
		do_close = FALSE;
		do_wait  = FALSE;
	}

	if (do_close)
		Close();

	if (do_wait)
		Wait();

	if (do_sema)
		Semafore(semafore);

	if (!(do_open || do_close || do_wait || do_sema))
		Help();

	usleep(1);
	die(0);
	return 0;
}



int Semafore(char *semafore)
{
        char    buf[81];

        strcpy(buf, SockR("SECR:1,%s;", semafore));
        if (strncmp(buf, "100:0;", 6) == 0) {
                Syslog('+', "Semafore \"%s\" is set", semafore);
                if (!do_quiet)
                        printf("Semafore \"%s\" is set\n", semafore);
                return TRUE;
        } else {
		Syslog('+', "Failed to set \"%s\" semafore", semafore);
                printf("Failed to set \"%s\" semafore\n", semafore);
                return FALSE;
        }
}



int Close(void)
{
	char	buf[81];

	strcpy(buf, SockR("SCLO:0;"));
	if (strncmp(buf, "100:0;", 6) == 0) {
		Syslog('+', "The BBS is closed");
		if (!do_quiet)
			printf("The BBS is closed\n");
		return TRUE;
	} else {
		printf("Failed to close the BBS\n");
		return FALSE;
	}
}



int Open(void)
{
	char	buf[81];

	strcpy(buf, SockR("SOPE:0;"));
	if (strncmp(buf, "100:0;", 6) == 0) {
		Syslog('+', "The BBS is open");
		if (!do_quiet)
			printf("The BBS is open\n");
		return TRUE;
	} else {
		printf("Failed to open the BBS\n");
		return FALSE;
	}
}



int Wait(void)
{
	int	Waiting = 3600;
	char	buf[PATH_MAX];

	sprintf(buf, "%s/sema/upsdown", getenv("MBSE_ROOT"));
	if (file_exist(buf, R_OK) == 0)
		Waiting = 30;

	Syslog('+', "Waiting for the BBS to become free, timeout %d seconds", Waiting);
	while (Waiting) {
		strcpy(buf, SockR("SFRE:0;"));
		if (strncmp(buf, "100:0;", 6) == 0) {
			Syslog('+', "The BBS is free");
			if (!do_quiet)
				printf("The BBS is free.                             \n");
			return TRUE;
		}
		if (!do_quiet) {
			buf[strlen(buf) -1] = '\0';
			printf("\r%s\r", buf+6);
			fflush(stdout);
		}
		sleep(1);
		Waiting--;
	}

	WriteError("Wait for BBS free timeout, aborting");
	return FALSE;
}