SMTP协议发送邮件和附件

testsmtp.cpp:

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// testsmtp.cpp : Defines the entry point for the console application.

//

#include "stdafx.h"

#include <stdlib.h>

#include <stdio.h>

#include <conio.h>

#include <winsock.h>

#include "base64.h"

#pragma comment( lib,"ws2_32.lib" )

#define WSVERS MAKEWORD(2, 0)

SOCKET connectTCP(const char *host, const char *service );

void errexit(const char *format, ...);

FILE* pf_log;

void ReveiveMsg(SOCKET sock, char* checkstr = "/r/n")

{

char buffer[1024];

fwrite("Server: ",1,strlen("Server: "),pf_log);

while(1){

int len = recv(sock,buffer,1024,0);

if (len <= 0) break;

fwrite(buffer,1,len,pf_log);

buffer[len] = 0;

printf("Server: %s",buffer);

//妫?娴?杈圭??

if (strstr(buffer,checkstr)) break;

}

}

void SendMsg(SOCKET sock,char* msg)

{

fwrite("Client: ",1,strlen("Client: "),pf_log);

int msgLen = strlen(msg);

send(sock,msg,msgLen,0);

printf("Client: %s",msg);

fwrite(msg,1,msgLen,pf_log);

}

int main(int argc, char* argv[])

{

WSADATA wsadata;

if (WSAStartup(WSVERS, &wsadata) != 0)

errexit("WSAStartup failed/n");

pf_log = fopen("log.txt","wb");

// SOCKET sock = connectTCP("mail.hnu.cn","smtp");

SOCKET sock = connectTCP("smtp.163.com","smtp");

ReveiveMsg(sock); //???″?ㄦ?㈣?淇℃??

SendMsg(sock,"EHLO 163.com/r/n"); //SMTP??璁????℃??淇″?? ReveiveMsg(sock,"250 8BITMIME/r/n");

SendMsg(sock,"AUTH LOGIN/r/n"); //寮?濮?璁よ???诲?

ReveiveMsg(sock);

//??澶?濂界?ㄦ?峰????base64缂???

int codelen;

char username[]="ficefjb";

char *base64code;

base64code = base64_encode(username,strlen(username));

codelen = strlen(base64code);

char username_base64[256];

strcpy(username_base64,base64code);

username_base64[codelen] = 0x0d;

username_base64[codelen + 1] = 0x0a;

username_base64[codelen + 2] = 0;

SendMsg(sock,username_base64); //??浜ょ?ㄦ?峰??

ReveiveMsg(sock);

//??澶?濂藉??????base64缂???

printf("Please input password:/n");

char password[256];

SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE),ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);

scanf("%s",password);

base64code = base64_encode(password,strlen(password));

codelen = strlen(base64code);

char password_base64[256];

strcpy(password_base64,base64code);

password_base64[codelen] = 0x0d;

password_base64[codelen + 1] = 0x0a;

password_base64[codelen + 2] = 0;

SendMsg(sock,password_base64); //??浜ゅ????

ReveiveMsg(sock); //杩???235琛ㄧず????

SendMsg(sock,"MAIL FROM:<[email protected]>/r/n"); //??浜ゅ??????

ReveiveMsg(sock);

SendMsg(sock,"RCPT TO:<[email protected]>/r/n"); //??浜ゆ?ユ?惰??

ReveiveMsg(sock);

SendMsg(sock,"DATA/r/n"); //???ユ???″?ㄤ??㈡????浠? ReveiveMsg(sock);

//??????浠跺ご?ㄤ俊??

SendMsg(sock,"TO: [email protected]/r/nFROM: [email protected]/r/nSUBJECT: SMTP??璁?娴?璇?/r/nDate:2009-12-5/r/nX-Mailer:fice's mailer/r/n"); //??浠? SendMsg(sock,"MIMI-Version:1.0/r/n");

SendMsg(sock,"Content-Type:multipart/mixed;boundary=/"#BOUNDARY#/"/r/n/r/n"); //璁剧疆杈圭????璇?

SendMsg(sock,"Content-Transfer-Encoding:7bit/r/n/r/n");

SendMsg(sock,"This is a multi-part message in MIME format/r/n/r/n");

//??????浠跺??瀹瑰ご?ㄤ俊??

SendMsg(sock,"--#BOUNDARY#/r/n");

SendMsg(sock,"Content-Type: text/plain;charset=gb2312/r/n");

SendMsg(sock,"Content-Transfer-Encoding:printable/r/n/r/n");

//??????浠剁????瀹归?ㄥ??

SendMsg(sock,"SMTP??璁?娴?璇?锛???????浠?n----by fice 2009.12.5/r/n");

//??????浠跺ご?ㄤ俊??

SendMsg(sock,"--#BOUNDARY#/r/n");

SendMsg(sock,"Content-Type:text/plain;name=student.txt/r/n");

SendMsg(sock,"Content-Transfer-Encoding:base64/r/n");

SendMsg(sock,"Content-Disposition:attachment;filename=/"student.txt/"/r/n/r/n");

//?ㄤ?杩??舵?瑰?璇诲????浠舵??浠跺??瀹瑰苟杞?涓?ase64?煎?

FILE* pf = fopen("d://student.txt","rb");

fseek(pf,0,SEEK_END);

int filelen = ftell(pf);

fseek(pf,0,SEEK_SET);

char* filebuf = (char*) malloc(filelen);

fread(filebuf,1,filelen,pf);

char* filebase64 = base64_encode(filebuf,filelen);

//??????浠剁????浠堕?ㄥ??

SendMsg(sock,filebase64);

SendMsg(sock,"/r/n./r/n"); //??浠跺??瀹圭???

ReveiveMsg(sock);

SendMsg(sock,"QUIT/r/n"); //???ユ???″?ㄩ???? ReveiveMsg(sock);

fclose(pf_log);

closesocket(sock);

WSACleanup();

printf("Press any key to quit./n");

getche();

return 0;

}

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