/*************************************************************************** *            email.c * *  Mon May 21 18:07:04 2007 *  Copyright  2007  kf701 *  Email <kf701.ye AT gmail.com> ****************************************************************************//* *  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 <sys/types.h>#include <sys/socket.h>#include "kf701.h"#define CONTENT_TYPE	"Content-Type: multipart/mixed; boundary=\"" EMAIL_BOUNDARY "\""	  #define FIRST_BODY	"--" EMAIL_BOUNDARY "\r\nContent-Type: text/plain;charset=" EMAIL_CHARSET \			"\r\nContent-Transfer-Encoding: 7bit\r\n\r\n"/** * @brief send mail without attach file */bool send_mail(mail_t *mail){	struct timeval tv;	int sockfd;	int i, rt;	int auth_base64_flag;	char buffer[10*1024],*ptr,username[EMAIL_MAXLINE];	bool first_auth = false;		if ( NULL == mail || NULL == mail->smtp || NULL == mail->from || 		NULL == mail->context || NULL == mail->passwd || NULL == mail->to )	{		return false;	}	/* get out account name */	strncpy(username,mail->from,EMAIL_MAXLINE);        ptr = username;	while ( *ptr != '@' && *ptr != '\0' )		ptr++;	if ( *ptr == '\0' )		return -1;	 		else if ( *ptr == '@' )		*ptr = '\0';	else 		return false;	sockfd = connect_nonblock(mail->smtp,25,20);	if (sockfd <= 0)	{		goto error;	}		tv.tv_sec = 10;	tv.tv_usec = 0;		if ( setsockopt(sockfd,SOL_SOCKET,SO_RCVTIMEO,&tv,sizeof(tv)) < 0)	{		goto error;	}			readline2(sockfd,buffer,EMAIL_MAXLINE);	if ( strncmp(buffer,"220",3) )	{				goto error;	}	sprintf(buffer,"EHLO %s\r\n",mail->smtp);	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)	{	 	goto error;	}		auth_base64_flag = 0;	do	{		rt = readline2(sockfd,buffer,EMAIL_MAXLINE);				if (rt <= 0)		{			goto error;		}		if ( !strncmp("250-AUTH",buffer,8) && strstr(buffer,"LOGIN") )			auth_base64_flag = 1;	} while (strncmp(buffer,"250 ",4) != 0) ;		if (auth_base64_flag != 0)	{		if ( rio_write(sockfd,"AUTH LOGIN\r\n",12)  < 0 )			goto error;		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)			goto error;		if ( 0 != strncmp("334 ",buffer,4) )			goto error;		encode_b64((uint8_t*)buffer,(uint8_t*)username,strlen(username));		strcat(buffer,"\r\n");		if ( rio_write(sockfd,buffer,strlen(buffer)) < 0)			goto error;		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)			goto error;		if ( 0 != strncmp("334 ",buffer,4) )                {                       first_auth = false;                }else		{                       first_auth = true;                }  		encode_b64((uint8_t*)buffer,(uint8_t*)mail->passwd,strlen(mail->passwd) );		strcat(buffer,"\r\n");		if ( rio_write(sockfd,buffer,strlen(buffer)) < 0)			goto error;		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)			goto error;		if ( 0 != strncmp("235 ",buffer,4) )                {                        first_auth = false;                }else{                        first_auth = true;                }	}                /* the first auth failed , try use the mail->from as the email account */	if ( auth_base64_flag != 0  && first_auth == false )	{		if ( rio_write(sockfd,"AUTH LOGIN\r\n",12)  < 0 )		{			goto error;		}		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)		{			goto error;		}		if ( 0 != strncmp("334 ",buffer,4) )		{			goto error;		}		encode_b64((uint8_t*)buffer,(uint8_t*)mail->from,strlen(mail->from) );		strcat(buffer,"\r\n");		if ( rio_write(sockfd,buffer,strlen(buffer)) < 0)		{			goto error;		}		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)		{			goto error;		}		if ( 0 != strncmp("334 ",buffer,4) )		{			goto error;		}				encode_b64((uint8_t*)buffer,(uint8_t*)mail->passwd,strlen(mail->passwd));		strcat(buffer,"\r\n");		if ( rio_write(sockfd,buffer,strlen(buffer)) < 0)		{			goto error;		}		if ( readline2(sockfd,buffer,EMAIL_MAXLINE) < 0)		{			goto error;		}		if ( 0 != strncmp("235 ",buffer,4) ) 		{			goto error;		}	}		sprintf(buffer,"MAIL FROM: <%s>\r\n",mail->from);	rio_write(sockfd,buffer,strlen(buffer));	readline2(sockfd,buffer,EMAIL_MAXLINE);	if (strncmp(buffer,"250",3))	{		goto error;	}	for( i=0; i<mail->numto; i++ )	{		sprintf(buffer,"RCPT TO: <%s>\r\n",mail->to[i]);		rio_write(sockfd,buffer,strlen(buffer));		readline2(sockfd,buffer,EMAIL_MAXLINE);		if (strncmp(buffer,"250",3))		{			goto error;		}	}				rio_write(sockfd,"DATA\r\n",6);	readline2(sockfd,buffer,EMAIL_MAXLINE);	if (strncmp(buffer,"354",3))	{		goto error; 	}	 	sprintf(buffer,"From: %s\r\n",mail->from);	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)		goto error;	sprintf(buffer,"To: ");	for(i=0; i<mail->numto; i++)	{		strcat( buffer, mail->to[i] );		strcat( buffer,", ");	}	strcat( buffer, "\r\n" );	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)		goto error;	sprintf(buffer,"%s" "\r\n",EMAIL_MIME);	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)		goto error;		sprintf(buffer,"Subject: %s\r\n",mail->subject); 	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)		goto error;			sprintf(buffer,"%s\r\n",CONTENT_TYPE);	if (rio_write(sockfd,buffer,strlen(buffer)) < 0)		goto error;		sprintf(buffer,"\r\n%s\r\n", "--" EMAIL_BOUNDARY);	rio_write(sockfd,buffer,strlen(buffer));		sprintf(buffer,"%s",FIRST_BODY);	rio_write(sockfd,buffer,strlen(buffer)); 	if (rio_write(sockfd,mail->context,strlen(mail->context)) < 0)		goto error;		rio_write(sockfd,"\r\n.\r\n",5);	rio_write(sockfd,"quit\r\n",6);	close(sockfd);	return true;	error:	close(sockfd);	return false;	}