?? smtp.c
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/** * 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; } }
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