操作系统课程设计说明书

1小型FTP服务系统的设计。，FTP服务器程序，其加强的文件传输系统能够完全满足今天的用户的应用需求。本行上传和文件的相关服务FTP客户端给普通用户提供了一个与服务端进行通信的操作界面，普通用户可以在此输入正确的账号，服务器IP，对服务器进行，包含用户登录，用户注销，权限的管理以及文件的管理和文件传输的管理。，FTP客户端给普通用户提供了一个与服务端进行通信的操作界面，普通用户可以在权限的管理以及文件的管理和文件传输的管理。openputgetdele 函数voidhandle_mkd(int

if _dir)>={printf("\"%s\"iscreatedsuccessfully.\r\n", _sock,mkd_info,strlen(mkd_info));}{snprintf(mkd_info,MSG_INFO,"550%s:%s\r\n", _sock,mkd_info,} 函数voidhandle_rmd(int

if _dir)>={printf("\"%s\"isdeletedsuccessfully.\r\n",_dir);send__info(_sock,rmd_info,strlen(rmd_info));}{snprintf(rmd_info,MSG_INFO,"550%s:%s\r\n",_dir,strerror(errno));send__info(_sock,rmd_info,} 函数handle_list(int_sock)处理list命令FILE*pipe_fp;//建立管道以传输数据chart_dir[DIR_INFO];charsnprintf(list_cmd_info,DIR_INFO"lsl%s",getcwd(t_dirDIR_INFO));//if((pipe_fppopen(list_cmd_info,"rNULL)//{printf("pipeopenerrorincmd_list\n");return;}printf("pipeopensuccessfully!,cmdis%s\n",charwhile((t_char=fgetc(pipe_fp))!={printf("%c",t_char);write(t_data_sock,&t_char,1); printf("closepipesuccessfully!\n");printf("%sclosedatasuccessfully!\n",serverInfo226);structsockaddr_in{intt_structsockaddr_int__sock=socket(AF_INET,SOCK_STREAM,0);//创建SOCKif(t__sock<0){printf("createdatasocketerror!\n");}inta=rand()%1000 bzero(&t_data_addr,sizeof(t_data_addr));t_data_addr.sin_family=AF_INET;t_data_addr.sin_port=htons(a);if(bind(t__sock,(structsockaddr*)&t_data_addr,sizeof(structsockaddr))<{printf("binderrorincreatedatasocket:%s\n",strerror(errno));}listen(t__sock,returnt_data_addr;}函数voidhandle_file(int FILE*fp;//建立管道处理文件信息intfile_fd;intchart_dir[DIR_INFO];charfile_info[DIR_INFO];snprintf(file_info,DIR_INFO,"%s/%s",getcwd(t_dir,DIR_INFO),format_if(strncmp(getcwd(t_dir,DIR_INFO),format__Info,strlen(getcwd(t_dir,DIR_INFO))-1)==0)fp=fopen(format__Info,file_mode);//打开文件fp=fopen(file_info, _Control_Info,4)== _Control_Info,4)=={while((n= _Data_Info,MAX_INFO))>{//if(write(t_data_sock,_Data_Info,n)!={printf("retrtransfererror\n");}}}{while((n=read(t_data_sock,_Data_Info,MAX_INFO))>{if(write(cmd_sock,_Data_Info,n)!={printf("stortransfererror\n");}}} //关闭数据sock 函数voidsend__info(int _sock,char*info,intlength)发送客户端信息。函数intrecv__info(int_sock)接收客户端信息。voidsend_ _sock,char*info,int{intif((len= _sock,info,{perror("sendinfoerror");}}intrecv_ {int _sock,{perror("receiveinfoerror");}printf("%dMessage:%s\n",pthread_self(),if(strncmp("USER",_Control_Info,4)==0||strncmp("user",_Control_Info,4)0)returnreturn}函数voidhandle_del(int_sock)处理删除

if(unlink(_file)>={printf("\"%s\"isdeletedsuccessfully.\r\n",_file);send__info(_sock,del_in