ftpclient.c

#include <signal.h>

#include <netinet/in.h>
#include <errno.h>
#include <fcntl.h> 
#include <sys/stat.h>

#include <dirent.h> 

#include <netdb.h>
#include <sys/time.h>

#include "client_process.h"
#include "ftpclient.h"
#include "common.h"

void usage()
{
    printf(" Usage:client ip_address port\n");
}

int connect_to_server(char *pt, char *adr)
{
    struct sockaddr_in server;
    //int sockfd;
    int port;
    char *ip_addr=NULL;
    int ret;

    ip_addr = malloc(sizeof(adr));

    sprintf(ip_addr, "%s", adr);

    //printf("port=%s\n", ip_addr);

    // init SSL library
    SSL_library_init();
    OpenSSL_add_all_algorithms();
    ctx = SSL_CTX_new(SSLv23_client_method());

    if(ctx == NULL){
        ERR_print_errors_fp(stdout);
        exit(1);
    }


    sockfd = socket(AF_INET, SOCK_STREAM , 0);
    if(sockfd < 0)
    {
        perror("data stream socket create failed!\n");
        return -1;
    }

    server.sin_family = AF_INET;

    port = atoi(pt);
    server.sin_port = htons(port);
    //printf("port=%s\n", ip_addr);

    ret = inet_pton(PF_INET, ip_addr, &server.sin_addr.s_addr);
    if ( ret <=0 ){
        printf("your ip address is unvalide!\n");
        usage();
        return -1;
    }

	
#if 1
    ret = connect(sockfd,(struct sockaddr*) &server,sizeof(struct sockaddr_in));
    if(ret < 0)
    {
        perror("data connection is failed!\n");
        return -1;
    }
#endif

// base ctx create a new SSL 
	ssl = SSL_new(ctx);
	SSL_set_fd(ssl, sockfd);
	
	ret = SSL_connect(ssl);
	if(ret == -1){
		ERR_print_errors_fp(stderr);
	}else
	{
		printf("Connected with %s encrption\n", SSL_get_cipher(ssl));
		
	}


    printf("connect to server successfully!\n");
    return 0;
    //clinet_process( sockfd );
    //client_process( sockfd, ssl);
}

void command_to_server(char *command)
{


    send_command_to_server( command,get_command_type(command));
}

void test(char *t)
{
    printf("%s\n", t);
}