void aes_box_encrypt(char* source_string, char* des_string, int size)//負責數據加密

{

int iLoop = 0;

int iLen =0;

char buf[1024];

AES_KEY aes;

unsigned char key[AES_BLOCK_SIZE];

unsigned char iv[AES_BLOCK_SIZE];

if(NULL == source_string || NULL == des_string)

{

return;

}

//Generate own AES Key

for(iLoop = 0; iLoop < 16; iLoop++)

{

key[iLoop] = 32 + iLoop;

}

// Set encryption key

for (iLoop=0; iLoop0)

printf("接收消息成功:'%s'，共%d個字節的數據\n", buf, len);

else

printf("消息接收失敗！錯誤代碼是%d，錯誤信息是'%s'\n", errno, strerror(errno));

}

void Directory(char* path, SSL* ssl, struct dirent *ptr)//目錄處理

{

char *base = NULL;

base = path;

strcat(ptr->d_name,"/");

char* e = (char*)malloc(strlen(base) + strlen(ptr->d_name) + 1);

strcpy(e,base);

strcat(e,ptr->d_name);

bool ret = readfile(e, ssl, ptr);

}

bool Document(char* Path, SSL *ssl,struct dirent *ptr)//真正發送log文件

{

char a[1024];

int fd = 0;

memset(a,'\0', sizeof(a));

memset(buffer,'\0', sizeof(buffer));

memset(buffer1,'\0', sizeof(buffer1));

strcpy(a, Path);

strcat(a, ptr->d_name);

fd = open(a, O_RDONLY);

read(fd, buffer,sizeof(buffer));//發送兩次數據，第一次是文件名，第二次是文件內容

int len1 = SSL_write(ssl, ptr->d_name, strlen(ptr->d_name));

printf("document name is:%s\n", ptr->d_name);

if (len1 <= 0) {

printf("消息'%s'發送失敗！錯誤代碼是%d，錯誤信息是'%s'\n", buffer, errno, strerror(errno));

return false;

}

else

printf("消息發送成功，共發送了%d個字節！\n", len1);

aes_box_encrypt(buffer, buffer1, sizeof(buffer));

int len = SSL_write(ssl, buffer1, strlen(buffer1));

if (len <= 0) {

printf("消息'%s'發送失敗！錯誤代碼是%d，錯誤信息是'%s'\n", buffer, errno, strerror(errno));

return false;

}

else

printf("消息發送成功，共發送了%d個字節！\n", len);

close(fd);

return true;

}

DIR* readFileList(char *basePath)//打開目錄，opendir配合readdir使用

{

DIR *dir;

struct dirent *ptr;//readdir

if ((dir=opendir(basePath)) == NULL)

{

printf("Open path error\n");

exit(1);

}

return dir;

}

bool readfile(char* Path,SSL *ssl,struct dirent *ptr)//文件或者目錄處理

{

DIR *dir = readFileList(Path);

while ((ptr=readdir(dir)) != NULL)

{

if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0) ///current dir OR parrent dir

continue;

else if(ptr->d_type == 8) //document

{

printf("path is:%s\n",Path);

Document(Path, ssl, ptr);

}

else if(ptr->d_type == 4)//directory

{

Directory(Path, ssl, ptr);

}

}

return true;

}

bool Sendlog(SSL* ssl, char* buf)//發送log文件

{

if(strcmp(buf, "getlog") == 0)

{

struct dirent *ptr;

char *basePath = NULL;

basePath = "./log/";

readfile(basePath, ssl, ptr);

}

Shutdown(ssl);

}

void ShowCerts(SSL * ssl)//驗證顯示證書

{

X509 *cert;

char *line;

cert = SSL_get_peer_certificate(ssl);

// SSL_get_verify_result()是重點，SSL_CTX_set_verify()只是配置啟不啟用并沒有執行認證，調用該函數才會真證進行證書認證

// 如果驗證不通過，那么程序拋出異常中止連接

if(SSL_get_verify_result(ssl) == X509_V_OK){

printf("證書驗證通過\n");

}

if (cert != NULL) {

printf("數字證書信息:\n");

line = X509_NAME_oneline(X509_get_subject_name(cert), 0, 0);

printf("證書: %s\n", line);

free(line);

line = X509_NAME_oneline(X509_get_issuer_name(cert), 0, 0);

printf("頒發者: %s\n", line);

free(line);

X509_free(cert);

}

else

printf("無證書信息！\n");

}

總結

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