/** * SMTP module * * Copyright (C) 2001 Jeffrey Fulmer <jdfulmer@armstrong.com> * This file is part of LIBPING * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. * */#ifdef HAVE_CONFIG_H# include <config.h>#endif/*HAVE_CONFIG_H*/ #include <setup.h>#include <sock.h>#include <smtp.h>#include <util.h> #include <stdarg.h>#include <stdlib.h>#include <stdio.h>#ifdef HAVE_SYS_TIMES_H# include <sys/times.h>#endif /*HAVE_SYS_TIMES_H*/#if TIME_WITH_SYS_TIME# include <sys/time.h># include <time.h>#else# if HAVE_SYS_TIME_H#  include <sys/time.h># else#  include <time.h># endif#endif /*TIME_WITH_SYS_TIME*/ #define  MSGBUF 2048 int smtp_cmd( CONN *C, char *format, ... ); intmysmtp( SMTPDATA *S ){  CONN *C;  char buf[MSGBUF];  int ret  = 0;  struct timeval mytime;  C = (CONN*)xmalloc( sizeof( CONN ));  C->port    =   25;  C->timeout = ( S->timeout == 0 )?60:S->timeout;    /* set the rtt timer */  (void) gettimeofday( &mytime, (struct timezone *)NULL);   if(( C->sock=JOEsocket( C, S->hostname ))    < 0 ){ JOEclose( C ); return -1;  }   if(( ret = JOEreadline( C, buf, MSGBUF ))    < 0 ){ JOEclose( C ); return ret; }  if(( ret = smtp_cmd( C, "%s", "HELO dude" )) < 0 ){ JOEclose( C ); return ret; }  if(( ret = smtp_cmd( C, "%s", "QUIT"   ))    < 0 ){ JOEclose( C ); return ret; }  JOEclose( C );  S->rtt = elapsed_time( &mytime );    return 1;}intsmtp_cmd( CONN *C, char *format, ... ){  va_list args;  char buf[MSGBUF];  char rec[MSGBUF];  int  len;  int  ret;    bzero( buf, sizeof( buf ));  bzero( rec, sizeof( rec));    va_start( args, format );  if(( vsnprintf( buf, MSGBUF-3, format, args )) < 0 ){    perror( "message too large" );    exit( 1 );  }    (void)strcat( buf, "\015\012" );    if( JOEsocket_write( C, buf, sizeof( buf )) < 0 )    return -1;  if(( ret = JOEreadline( C, rec, MSGBUF )) <= 0 ){     return -1;   }  *rec='\0';  va_end( args );  if(( ret = atoi( rec )) > 400 ){     return -1;   } else return 1;}int pingsmtp( const char *hostname ){  SMTPDATA *S;  int ret;   S = (SMTPDATA*)xmalloc( sizeof( SMTPDATA ));  S->hostname = (char*)strdup( hostname );  S->timeout = 0;   return mysmtp( S );}int pingtsmtp( const char *hostname, int t ){  SMTPDATA *S;  int ret;   S = (SMTPDATA*)xmalloc( sizeof( SMTPDATA ));  S->hostname = (char*)strdup( hostname );  S->timeout = t;   return mysmtp( S );}inttpingsmtp( const char *hostname ){  SMTPDATA *S;  int ret;   S = (SMTPDATA*)xmalloc( sizeof( SMTPDATA ));  S->hostname = (char*)strdup( hostname );  S->timeout = 0;   ret = mysmtp( S );    if( ret > 0 ){ return S->rtt; }  else         { return ret; }} inttpingtsmtp( const char *hostname, int t ){  SMTPDATA *S;  int ret;   S = (SMTPDATA*)xmalloc( sizeof( SMTPDATA ));  S->hostname = (char*)strdup( hostname );  S->timeout = t;   ret = mysmtp( S );    if( ret > 0 ){ return S->rtt; }  else         { return ret; } }