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380 lines
7.9 KiB
C++
380 lines
7.9 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <termios.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include "network.h"
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NetWork* nw;
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NetWork* data_nw;
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int list_len = 0;
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char buf[256] = {};
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typedef struct List
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{
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char filename[40];
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}List;
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void ex(void);
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void must(void);
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void ls(void);
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void cd_to(char* cd);
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void download(char* get);
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void upload(char* put);
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int main(int argc,char* argv[])
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{
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char c_ip[40] = {};
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strcpy(c_ip,argv[1]);
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nw = open_network('c',SOCK_STREAM,c_ip,21);
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if(NULL == nw)
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{
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printf("open network socket null!\n");
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return -1;
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}
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printf("Connected to %s.\n",c_ip);
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);//220
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for(;;)
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{
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char user[20] = {};
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printf("Name (%s:zhizhen):",c_ip);
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gets(user);
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sprintf(buf,"USER %s\n",user);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);//331
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char pw[20] = {};
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printf("Password:");
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struct termios old, new;
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tcgetattr(0, &old); // 获取终端属性
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new = old;
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new.c_lflag &= ~(ECHO | ICANON);// 不使用标准的输出，不显示字符。
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tcsetattr(0, TCSANOW, &new);// 设置终端新的属性
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gets(pw);
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tcsetattr(0, TCSANOW, &old);
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sprintf(buf,"PASS %s\n",pw);
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nsend(nw,buf,strlen(buf));//pw
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("\n%s",buf);//230
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if(strstr(buf,"530") == NULL)
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{
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break;
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}
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}
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printf("Remote system type is UNIX.\n");
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printf("Using binary mode to transfer files.\n");
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ex();
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must();
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char cmd[40] = {};
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while(1)
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{
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printf("ftp> ");
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gets(cmd);
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if(strcmp(cmd,"bye")==0)
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{
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break;
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}
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if(strcmp(cmd,"ls")==0)
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{
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ls();
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}
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char *cmd1 = malloc(20);
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char *path = malloc(100);
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sscanf(cmd,"%s %s",cmd1,path);
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if(strcmp(cmd1,"cd") == 0)
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{
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cd_to(path);
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}
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if(strcmp(cmd1,"get") == 0)
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{
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download(path);
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}
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if(strcmp(cmd1,"put") == 0)
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{
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upload(path);
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}
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//must();
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}
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printf("221 Goodbye.\n");//221
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}
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void ex(void)
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{
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sprintf(buf,"SYST\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);
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sprintf(buf,"OPTS UTF8 ON\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);
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}
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void must(void)
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{
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sprintf(buf,"PWD\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);//257
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sprintf(buf,"PASV\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);//227
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unsigned char ip1,ip2,ip3,ip4,port1,port2;
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sscanf(strchr(buf,'(')+1,"%hhu,%hhu,%hhu,%hhu,%hhu,%hhu",&ip1,&ip2,&ip3,&ip4,&port1,&port2);
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sprintf(buf,"%hhu.%hhu.%hhu.%hhu",ip1,ip2,ip3,ip4);
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NetWork* data_nw = open_network('c',SOCK_STREAM,buf,port1*256+port2);
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//printf("connect success fd = %d\n",data_nw->fd);
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sprintf(buf,"LIST -al\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//printf("%s",buf);//150
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int ret = 0;
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bzero(buf,sizeof(buf));
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while(ret = nrecv(data_nw,buf,sizeof(buf)))
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{
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//printf("%s",buf);
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bzero(buf,sizeof(buf));
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}
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close_network(data_nw);
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//printf("%s",buf);//226
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}
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void ls(void)
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{
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sprintf(buf,"PWD\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);//257
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sprintf(buf,"PASV\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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//puts(buf);//227
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unsigned char ip1,ip2,ip3,ip4,port1,port2;
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sscanf(strchr(buf,'(')+1,"%hhu,%hhu,%hhu,%hhu,%hhu,%hhu",&ip1,&ip2,&ip3,&ip4,&port1,&port2);
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sprintf(buf,"%hhu.%hhu.%hhu.%hhu",ip1,ip2,ip3,ip4);
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NetWork* data_nw = open_network('c',SOCK_STREAM,buf,port1*256+port2);
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//printf("connect success fd = %d\n",data_nw->fd);
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sprintf(buf,"LIST -al\n");
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nsend(nw,buf,strlen(buf));
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printf("200 PORT command successful. Consider using PASV.\n");
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);//150
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int ret = 0;
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bzero(buf,sizeof(buf));
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while(ret = nrecv(data_nw,buf,sizeof(buf)))
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{
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printf("%s",buf);
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bzero(buf,sizeof(buf));
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}
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close_network(data_nw);
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);//226
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}
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void cd_to(char* cd)
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{
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char *dir = cd;
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if(strcmp(dir,"..")==0)
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{
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sprintf(buf,"CDUP %s\n",dir);
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}
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else
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{
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sprintf(buf,"CWD %s\n",dir);
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}
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);//250
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}
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void download(char* get)
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{
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char *filename = get;
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sprintf(buf,"TYPE A\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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sprintf(buf,"SIZE %s\n",filename);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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sprintf(buf,"MDTM %s\n",filename);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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sprintf(buf,"PASV\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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unsigned char ip1,ip2,ip3,ip4,port1,port2;
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sscanf(strchr(buf,'(')+1,"%hhu,%hhu,%hhu,%hhu,%hhu,%hhu",&ip1,&ip2,&ip3,&ip4,&port1,&port2);
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sprintf(buf,"%hhu.%hhu.%hhu.%hhu",ip1,ip2,ip3,ip4);
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data_nw = open_network('c',SOCK_STREAM,buf,port1*256+port2);
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printf("connect success fd = %d\n",data_nw->fd);
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sprintf(buf,"RETR %s\n",filename);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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int fd = open(filename,O_WRONLY|O_CREAT|O_TRUNC,0644);
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if(0 > fd)
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{
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perror("open");
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return;
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}
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int ret = 0;
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while(ret = nrecv(data_nw,buf,sizeof(buf)))
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{
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write(fd,buf,ret);
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}
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close(fd);
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}
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void upload(char* put)
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{
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char *filename = put;
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sprintf(buf,"TYPE A\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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sprintf(buf,"SIZE %s\n",filename);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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sprintf(buf,"PASV\n");
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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unsigned char ip1,ip2,ip3,ip4,port1,port2;
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sscanf(strchr(buf,'(')+1,"%hhu,%hhu,%hhu,%hhu,%hhu,%hhu",&ip1,&ip2,&ip3,&ip4,&port1,&port2);
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sprintf(buf,"%hhu.%hhu.%hhu.%hhu",ip1,ip2,ip3,ip4);
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data_nw = open_network('c',SOCK_STREAM,buf,port1*256+port2);
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printf("connect success fd = %d\n",data_nw->fd);
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sprintf(buf,"STOR %s\n",filename);
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nsend(nw,buf,strlen(buf));
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int fd = open(filename,O_RDONLY,0644);
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if(0 > fd)
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{
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perror("open");
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return;
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}
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int ret = 0;
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bzero(buf,sizeof(buf));
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while(read(fd,buf,1))
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{
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nsend(data_nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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}
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close_network(data_nw);
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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printf("%s",buf);// 150-226
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sprintf(buf,"MDTM %s\n",filename);
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nsend(nw,buf,strlen(buf));
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bzero(buf,sizeof(buf));
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nrecv(nw,buf,sizeof(buf));
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puts(buf);
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}
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