?? clearopensmtp.c
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/* * $Id: clearopensmtp.c,v 1.3 2004/01/13 11:46:28 mbowe Exp $ * Copyright (C) 1999-2003 Inter7 Internet Technologies, Inc. * * This program 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 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <time.h>#include <string.h>#include "config.h"#include "vpopmail.h"#include "vauth.h"#ifdef POP_AUTH_OPEN_RELAY#ifndef USE_SQL#define MAX_BUFF 256static char TmpBuf1[MAX_BUFF];static char TmpBuf2[MAX_BUFF];#endif /* ndef USE_SQL */int main(){#ifndef USE_SQL FILE *fs_smtp_cur; FILE *fs_smtp_tmp; char *tmpstr; time_t file_time;#endif /* ndef USE_SQL */ time_t mytime; time_t clear_minutes; clear_minutes = RELAY_CLEAR_MINUTES * 60; mytime = time(NULL);#ifdef USE_SQL /* scan the relays table in mysql, and purge out any * entries that are older than our specified timestamp */ vclear_open_smtp(clear_minutes, mytime);#else /* OPEN_SMTP_CUR_FILE is typically ~vpopmail/etc/open-smtp */ fs_smtp_cur = fopen(OPEN_SMTP_CUR_FILE, "r+"); if ( fs_smtp_cur != NULL ) { /* OPEN_SMTP_TMP_FILE is typically ~vpopmail/etc/open-smtp.tmp */ /* create this file */ fs_smtp_tmp = fopen(OPEN_SMTP_TMP_FILE, "w+"); if ( fs_smtp_tmp == NULL ) { printf ("Error, could not create open-smtp.tmp\n"); vexit(-1); } /* read in the contents of the open-smtp file */ while ( fgets(TmpBuf1, MAX_BUFF, fs_smtp_cur ) != NULL ) { /* format is x.x.x.x:ALLOW,RELAYCLIENT="",RBLSMTPD=""<TAB>timestamp */ snprintf(TmpBuf2, sizeof(TmpBuf2), "%s", TmpBuf1); tmpstr = strtok( TmpBuf2, "\t"); tmpstr = strtok( NULL, "\t"); /* extract the timestamp for this line */ if ( tmpstr != NULL ) { /* compare the timestamp to see if it is not too old */ file_time = atoi(tmpstr); if ( file_time + clear_minutes > mytime) { /* if not too old, copy line out to .tmp file */ fputs(TmpBuf1, fs_smtp_tmp); } } } fclose(fs_smtp_cur); fclose(fs_smtp_tmp); /* replace open-relay with open-relay.tmp */ rename(OPEN_SMTP_TMP_FILE, OPEN_SMTP_CUR_FILE); /* set correct permissions on file */ chown(OPEN_SMTP_CUR_FILE,VPOPMAILUID,VPOPMAILGID); }#endif /* Now, regardless of backend, build a new tcp.smtp.cdb file * * For mysql this involves combining the tcp.smtp file with * the contents of the relay table. * For cdb this involves combining the tcp.smtp file with * the contents of the open-relay file. * The resultant file will then be compiled by the tcprules tool * to make a new tcp.smtp.cdb file for tcpserver to use */ update_rules(); return(vexit(0));}#elseint main(){ printf("vpopmail not configure with --enable-roaming-users\n"); return(vexit(0));}#endif /* POP_AUTH_OPEN_RELAY */
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