${PROJECT_SOURCE_DIR}/src/SendMail.cpp
${PROJECT_SOURCE_DIR}/src/SendMailTest.cpp
)
#头文件目录 include_directories(${PROJECT_SOURCE_DIR}/src)
指定生成目标
add_executable(EmialTest {source_cpp})
### 四、源码附件
SendMail.h：
// SendMail.h #ifndef SEND_MAIL_H #define SEND_MAIL_H
#ifdef WIN32 #include <windows.h> #include <WinSock.h> #else #include <netdb.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #endif #include <stdio.h> #include
using namespace std;
// 协议中加密部分使用的是base64方法 char ConvertToBase64(char c6); void EncodeBase64(char *dbuf, char *buf128, int len); void SendMail(char emailTo, const char body,char emailFrom, char emailKey); int OpenSocket(struct sockaddr *addr);
#endif
SendMail.cpp：
// SendMail.cpp
#include "SendMail.h"
#pragma comment(lib, "ws2_32.lib")
#ifdef linux #define Sleep sleep #define closesocket close
#define strcpy_s(buffer, size, arg)
do{ strcpy(buffer, arg); } while (0)
#define sprintf_s(buffer, size, arg...)
do{ sprintf(buffer, ##arg); } while (0)
#endif // linux
struct Base64Date6 { unsigned int d4 : 6; unsigned int d3 : 6; unsigned int d2 : 6; unsigned int d1 : 6; };
char ConvertToBase64(char uc) { if (uc < 26) { return 'A' + uc; } if (uc < 52) { return 'a' + (uc - 26); } if (uc < 62) { return '0' + (uc - 52); } if (uc == 62) { return '+'; } return '/'; }
// base64的实现 void EncodeBase64(char *dbuf, char *buf128, int len) { struct Base64Date6 *ddd = NULL; int i = 0; char buf[256] = { 0 }; char *tmp = NULL; char cc = '\0';
memset(buf, 0, 256); strcpy_s(buf, 256, buf128);
for (i = 1; i <= len / 3; i++) { tmp = buf + (i - 1) * 3; cc = tmp[2]; tmp[2] = tmp[0]; tmp[0] = cc; ddd = (struct Base64Date6 *)tmp; dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1); dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2); dbuf[(i - 1) * 4 + 2] = ConvertToBase64((unsigned int)ddd->d3); dbuf[(i - 1) * 4 + 3] = ConvertToBase64((unsigned int)ddd->d4); } if (len % 3 == 1) { tmp = buf + (i - 1) * 3; cc = tmp[2]; tmp[2] = tmp[0]; tmp[0] = cc; ddd = (struct Base64Date6 *)tmp; dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1); dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2); dbuf[(i - 1) * 4 + 2] = '='; dbuf[(i - 1) * 4 + 3] = '='; } if (len % 3 == 2) { tmp = buf + (i - 1) * 3; cc = tmp[2]; tmp[2] = tmp[0]; tmp[0] = cc; ddd = (struct Base64Date6 *)tmp; dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1); dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2); dbuf[(i - 1) * 4 + 2] = ConvertToBase64((unsigned int)ddd->d3); dbuf[(i - 1) * 4 + 3] = '='; } return; } // 发送邮件 void SendMail(char emailTo, const char body,char emailFrom, char emailKey) { int sockfd = { 0 }; char buf[1500] = { 0 }; char rbuf[1500] = { 0 }; char login[128] = { 0 }; char pass[128] = { 0 };
struct sockaddr_in their_addr = { 0 }; #ifdef WIN32 WSADATA WSAData; WSAStartup(MAKEWORD(2, 2), &WSAData); #endif // WIN32 memset(&their_addr, 0, sizeof(their_addr));
their_addr.sin_family = AF_INET; their_addr.sin_port = htons(25); // 一般是25端口不需要改 hostent* hptr = gethostbyname("smtp.163.com"); // 端口和服务器 #ifdef WIN32 memcpy(&their_addr.sin_addr.S_un.S_addr, hptr->h_addr_list[0], hptr->h_length); printf("IP of smpt.163.com is : %d:%d:%d:%d\n", their_addr.sin_addr.S_un.S_un_b.s_b1, their_addr.sin_addr.S_un.S_un_b.s_b2, their_addr.sin_addr.S_un.S_un_b.s_b3, their_addr.sin_addr.S_un.S_un_b.s_b4); #else memcpy(&their_addr.sin_addr.s_addr, hptr->h_addr_list[0], hptr->h_length); printf("IP of smpt.163.com is : %d:%d:%d:%d\n", their_addr.sin_addr.s_addr & 0XFF, their_addr.sin_addr.s_addr>>8 & 0XFF, their_addr.sin_addr.s_addr>>16 & 0XFF, their_addr.sin_addr.s_addr>>24 & 0XFF); #endif // 连接邮件服务器，如果连接后没有响应，则2 秒后重新连接 sockfd = OpenSocket((struct sockaddr *)&their_addr); memset(rbuf, 0, 1500); while (recv(sockfd, rbuf, 1500, 0) == 0) { cout << "reconnect..." << endl; Sleep(2); sockfd = OpenSocket((struct sockaddr *)&their_addr); memset(rbuf, 0, 1500); }
cout << rbuf << endl;
// EHLO memset(buf, 0, 1500); sprintf_s(buf, 1500, "EHLO HYL-PC\r\n"); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "EHLO REceive: " << rbuf << endl;
//发送命令: AUTH LOGIN 请求登陆！ memset(buf, 0, 1500); sprintf_s(buf, 1500, "AUTH LOGIN\r\n"); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Auth Login Receive: " << rbuf << endl;
// USER 发送自己账户的用户名的base64编码 memset(buf, 0, 1500); sprintf_s(buf, 1500, "%s",emailFrom);//你的邮箱账号 memset(login, 0, 128); EncodeBase64(login, buf, strlen(buf)); sprintf_s(buf, 1500, "%s\r\n", login); send(sockfd, buf, strlen(buf), 0); cout << "Base64 UserName: " << buf << endl; memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "User Login Receive: " << rbuf << endl;
// PASSWORD 发送自己的密码的base64编码 sprintf_s(buf, 1500, "%s",emailKey);//你的邮箱密码 memset(pass, 0, 128); EncodeBase64(pass, buf, strlen(buf)); sprintf_s(buf, 1500, "%s\r\n", pass); send(sockfd, buf, strlen(buf), 0); cout << "Base64 Password: " << buf << endl;
//认证授权确认 memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Send Password Receive: " << rbuf << endl;
// MAIL FROM 开始发送邮件，先发送邮件说明:MAIL FROM memset(buf, 0, 1500); sprintf_s(buf, 1500, "MAIL FROM: <%s>\r\n",emailFrom); //此处要和发邮件的邮箱保持一致 send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "set Mail From Receive: " << rbuf << endl;
// RCPT TO 第一个收件人,发送目的邮箱说明:RCPT TO sprintf_s(buf, 1500, "RCPT TO:<%s>\r\n", emailTo); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Tell Sendto Receive: " << rbuf << endl;
// DATA 准备开始发送邮件内容 /* 发送数据格式： From: **_test@163.com To: **_a_test@163.com Subject: 测试一下 MIME-Version: 1.0 */ sprintf_s(buf, 1500, "DATA\r\n"); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Send Mail Prepare Receive: " << rbuf << endl;
// 发送邮件内容，\r\n.\r\n内容结束标记 sprintf_s(buf, 1500, "%s\r\n.\r\n", body); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Send Mail Receive: " << rbuf << endl;
// QUIT quit命令关闭与服务器的连接 sprintf_s(buf, 1500, "QUIT\r\n"); send(sockfd, buf, strlen(buf), 0); memset(rbuf, 0, 1500); recv(sockfd, rbuf, 1500, 0); cout << "Quit Receive: " << rbuf << endl;
//清理工作 closesocket(sockfd); #ifdef WIN32 WSACleanup(); #endif return; } // 打开TCP Socket连接 int OpenSocket(struct sockaddr *addr) { int sockfd = 0; sockfd = socket(PF_INET, SOCK_STREAM, 0); if (sockfd < 0) { cout << "Open sockfd(TCP) error!" << endl; exit(-1); //实际项目中使用时请注释掉 } if (connect(sockfd, addr, sizeof(struct sockaddr)) < 0) { cout << "Connect sockfd(TCP) error!" << endl; exit(-1); //实际项目中使用时请注释掉
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