杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
T[[ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
q{+poVX <1>与远程系统建立IPC连接
Yg,WdVI&@ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
56
kgL;$h <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
FR6I+@ oX~ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
]%Yis=v <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
k42ur)pb <6>服务启动后,killsrv.exe运行,杀掉进程
sv6U%qV <7>清场
DMxS-hl
嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
t-x"( /***********************************************************************
|mE+f]7$ Module:Killsrv.c
H|:)K^o Date:2001/4/27
)?IA`7X Author:ey4s
Z
*<x Http://www.ey4s.org aC
}1]7 ***********************************************************************/
m#K%dR
#include
)W6-h #include
:E&T}RN #include "function.c"
MH8%-UV #define ServiceName "PSKILL"
hYv 6-5_ <J}9.k SERVICE_STATUS_HANDLE ssh;
|QTqa~~B SERVICE_STATUS ss;
v*fc5"3eO /////////////////////////////////////////////////////////////////////////
~_j%nJ
&2 void ServiceStopped(void)
59Q Q_#> {
zUtf&Ih ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
o3=S<|V ss.dwCurrentState=SERVICE_STOPPED;
t\bxd`, ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
m;+1;B ss.dwWin32ExitCode=NO_ERROR;
OmjT`,/ ss.dwCheckPoint=0;
"/Q(UV<d ss.dwWaitHint=0;
mS&\m#s< SetServiceStatus(ssh,&ss);
xA'#JN<* return;
[,$mpJCI }
x&/Syb /////////////////////////////////////////////////////////////////////////
Ci9wF(<k void ServicePaused(void)
@wgGnb) {
AG\852`1m ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
}ZVv ss.dwCurrentState=SERVICE_PAUSED;
C^=gZ
6m ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
si.a]k/f ss.dwWin32ExitCode=NO_ERROR;
~(L +4] ss.dwCheckPoint=0;
[K@!JY ss.dwWaitHint=0;
m:Cx~ SetServiceStatus(ssh,&ss);
'L59\y8H return;
9.#R?YP$ }
>8;%F<o2 void ServiceRunning(void)
d4h(F,K7V {
C{,] 1X6g ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
zYF&Dv/u/ ss.dwCurrentState=SERVICE_RUNNING;
&Wz:-G7<n ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
+pViHOJu&V ss.dwWin32ExitCode=NO_ERROR;
(ai-n,y ss.dwCheckPoint=0;
P(nHXVSUE ss.dwWaitHint=0;
PjZvLK@a9) SetServiceStatus(ssh,&ss);
J*&=J6 return;
PH%gX`N }
WM
)g(i~( /////////////////////////////////////////////////////////////////////////
7:q-NzE\6 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Or)c*.|\ {
+Qb/:xQu switch(Opcode)
*xTquV$ {
;p!hd}C case SERVICE_CONTROL_STOP://停止Service
:BxYaAVt^ ServiceStopped();
&0Zk3D4 break;
^K8a#- case SERVICE_CONTROL_INTERROGATE:
|8{iIvi/ SetServiceStatus(ssh,&ss);
w/W?/1P>q break;
~EkGG
. }
Q09~vFBg return;
58'y~Ou }
2#M:JgWV //////////////////////////////////////////////////////////////////////////////
}gRLW2&mR> //杀进程成功设置服务状态为SERVICE_STOPPED
f8jz49C //失败设置服务状态为SERVICE_PAUSED
n(Op< //
)^#Zg8L void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
{&qsh9ob {
L\CM);y ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
G*p.JsZP if(!ssh)
O|zmDp8a+ {
s\FNKWQ ServicePaused();
A?KKZ{Pl return;
@Hdg-f>y] }
> 0)`uJ ServiceRunning();
Z@O
e}\.$ Sleep(100);
6v)eM=
//注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
`|?$; ) //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
@7 HBXP if(KillPS(atoi(lpszArgv[5])))
!-nm7Q ServiceStopped();
:Zo2@8@7 else
]JuB6o_L ServicePaused();
pFRnPOv return;
S%#Mu| }
h,?Yw+#o" /////////////////////////////////////////////////////////////////////////////
u`,R0=<4 void main(DWORD dwArgc,LPTSTR *lpszArgv)
A_U0HVx_ {
abP?Dj& SERVICE_TABLE_ENTRY ste[2];
N ] /d ste[0].lpServiceName=ServiceName;
!O_^Rn+<2 ste[0].lpServiceProc=ServiceMain;
>8t[EsW/ ste[1].lpServiceName=NULL;
&`2*6
)qa ste[1].lpServiceProc=NULL;
_!1c.[\T StartServiceCtrlDispatcher(ste);
y+R$pzX return;
%~XJwy- }
z4:09!o_ /////////////////////////////////////////////////////////////////////////////
,
)3+hnFY function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
2dW-WHaM 下:
G)|HFcE /***********************************************************************
jF85bb$ Module:function.c
tzJtd Date:2001/4/28
=H?5fT^
Author:ey4s
_tJURk% Http://www.ey4s.org qqred>K ***********************************************************************/
qZ1PC> #include
dh`A(B{hfc ////////////////////////////////////////////////////////////////////////////
aJ;R8(*;\ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Mn;CG'FA {
c4W"CD;D TOKEN_PRIVILEGES tp;
90D.G_45 LUID luid;
j'cCX[i \9Zfu4WR if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
7O :Gi*MA {
Z9bPj8d printf("\nLookupPrivilegeValue error:%d", GetLastError() );
S]@iS[|? return FALSE;
<)rH8]V }
g&5VorGx tp.PrivilegeCount = 1;
0k]N%!U tp.Privileges[0].Luid = luid;
sRI8znus if (bEnablePrivilege)
:b)@h|4 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
T,@7giQg@ else
0_izTke tp.Privileges[0].Attributes = 0;
y%Ah"UY // Enable the privilege or disable all privileges.
aKcV39brr AdjustTokenPrivileges(
Q-CVq_\3I hToken,
7@]hu^)rry FALSE,
Ia"
Mi+{ &tp,
e{S`iO sizeof(TOKEN_PRIVILEGES),
.AS,]*?Zn% (PTOKEN_PRIVILEGES) NULL,
R_DQtLI (PDWORD) NULL);
NPab M(<` // Call GetLastError to determine whether the function succeeded.
X~!?t} if (GetLastError() != ERROR_SUCCESS)
G&Sg.<hn {
|8ZAE%/d printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
=5F49 return FALSE;
?q`mr_x%? }
wO
NQlt return TRUE;
l]cQ7g5 }
$yJfAR ////////////////////////////////////////////////////////////////////////////
ga%77t|jm3 BOOL KillPS(DWORD id)
CKgyv%T5m: {
wu'60po HANDLE hProcess=NULL,hProcessToken=NULL;
).b+S>k BOOL IsKilled=FALSE,bRet=FALSE;
ZH:X4! __try
UQr+\ u {
d^>s e'ya roQIP%h! if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
-2?fg {
<{j9|mt printf("\nOpen Current Process Token failed:%d",GetLastError());
L1K_|X __leave;
:6{HFMf" }
]B[Qdn //printf("\nOpen Current Process Token ok!");
/2I("x] if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
]ORat.*0[T {
7G2N&v> __leave;
,pepr9Yd }
4f5$^uN$qA printf("\nSetPrivilege ok!");
#{sb>^BF I`1=VC]^8 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
O[5ti=W {
euK!JZ printf("\nOpen Process %d failed:%d",id,GetLastError());
.quc i(D __leave;
cd#TKmh7re }
oQO3:2a //printf("\nOpen Process %d ok!",id);
\GPc_m:qL if(!TerminateProcess(hProcess,1))
,B><la87 {
Ho|n\7$ printf("\nTerminateProcess failed:%d",GetLastError());
iqYc&}k, __leave;
54&2SU$kx }
6!N&,I IsKilled=TRUE;
hG]20n2 }
E}+A)7mA __finally
:=@[FXD4 {
FT6cOMu if(hProcessToken!=NULL) CloseHandle(hProcessToken);
2{\Y<%. if(hProcess!=NULL) CloseHandle(hProcess);
}_x oT9HUr }
5E8PbV-l return(IsKilled);
zwS'AN'A }
g!UM8I-$
//////////////////////////////////////////////////////////////////////////////////////////////
J4; ".Y= OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
dl4.jLY /*********************************************************************************************
!j@ 8:j0WY ModulesKill.c
q\<vCKI-^ Create:2001/4/28
!)]3@$# Modify:2001/6/23
DJ.Ct4 Author:ey4s
4g9VE;Gd Http://www.ey4s.org 6(=:j"w0 PsKill ==>Local and Remote process killer for windows 2k
TvR2lP **************************************************************************/
8wd2\J,] #include "ps.h"
gS ]'^Sr #define EXE "killsrv.exe"
),eiJblH #define ServiceName "PSKILL"
$?YkgK \I=:,cz*, #pragma comment(lib,"mpr.lib")
+ h&V; //////////////////////////////////////////////////////////////////////////
fA^ O //定义全局变量
z?^p(UH SERVICE_STATUS ssStatus;
%/y/,yd SC_HANDLE hSCManager=NULL,hSCService=NULL;
>v{m^|QqB BOOL bKilled=FALSE;
Qt$Q/<8U char szTarget[52]=;
;I0/zeM% //////////////////////////////////////////////////////////////////////////
as8<c4:v BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
V !$m{)Y BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
i%iU_` BOOL WaitServiceStop();//等待服务停止函数
Ho/5e*X BOOL RemoveService();//删除服务函数
W~4|Z=f /////////////////////////////////////////////////////////////////////////
KpL82 int main(DWORD dwArgc,LPTSTR *lpszArgv)
xXtDGP {
rRW&29A BOOL bRet=FALSE,bFile=FALSE;
(g\'Zw5bk char tmp[52]=,RemoteFilePath[128]=,
2#^[`sFPO szUser[52]=,szPass[52]=;
P\R3/g HANDLE hFile=NULL;
f]4gDmn^ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
E =E /T@lHxX //杀本地进程
d=pq+ if(dwArgc==2)
sC
j3 h {
T&%>/7I> if(KillPS(atoi(lpszArgv[1])))
-T>`PJpJuL printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
K67x.P Z else
Onl:eG;@ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
LYKepk lpszArgv[1],GetLastError());
sfLBi~*j return 0;
UcZ3v]$I }
'D
bHXS7N //用户输入错误
LQe<mZ< else if(dwArgc!=5)
]=/f` {
_Z%C{~,7)x printf("\nPSKILL ==>Local and Remote Process Killer"
p0/I}n4<5n "\nPower by ey4s"
>9DgsA`' "\nhttp://www.ey4s.org 2001/6/23"
AjpQb~\ "\n\nUsage:%s <==Killed Local Process"
*KMCU
m "\n %s <==Killed Remote Process\n",
P*}Oi7Z lpszArgv[0],lpszArgv[0]);
sbVeB%k return 1;
+MEWAW[}^ }
~I'hiV^- //杀远程机器进程
D_{J:Hb strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
`CV a`% strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
C1_NGOvT strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
QwiC2}/ C$_H)I //将在目标机器上创建的exe文件的路径
h1"#DnK7 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
'ySWf,Q^ __try
iL(E`_I< {
e&:fzO<~I //与目标建立IPC连接
]ba<4:[Go if(!ConnIPC(szTarget,szUser,szPass))
NXV%j},> {
79Iz,_ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Eb*DP_ return 1;
R_lNC]b0 }
8=$@azG printf("\nConnect to %s success!",szTarget);
eI@O9<.& //在目标机器上创建exe文件
=(o$1v/k (C!fIRY hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
umi#Se3& E,
J[9jNCq| NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
OAv/P|n= if(hFile==INVALID_HANDLE_VALUE)
Qtk'^Fc {
L%"&_v#a^ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
?p5Eo{B __leave;
)2a!EEHz }
7BC9cS(0w9 //写文件内容
Jyd%!v while(dwSize>dwIndex)
\"5 \hX~dS {
Yz,*Q<t a+Q)~13 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
X/@Gx 4 {
X%;,r
2g printf("\nWrite file %s
;m\E9ple failed:%d",RemoteFilePath,GetLastError());
NY_Oo!)3 __leave;
{r Gx*<e }
xH92=t-w dwIndex+=dwWrite;
@x)z" )> }
:`_wy-}V //关闭文件句柄
<)M?qkjb CloseHandle(hFile);
ct/I85c@P bFile=TRUE;
y&iLhd!p //安装服务
X'0A"9 if(InstallService(dwArgc,lpszArgv))
>~6
;9{@ {
<{'':/tXI //等待服务结束
zj8;ENhEI if(WaitServiceStop())
p{.EFa>H {
?g9CeeH* //printf("\nService was stoped!");
[}FP_Su$6 }
~!UxmYgO else
\A':}<Rj {
Y*4\K%e( //printf("\nService can't be stoped.Try to delete it.");
~ejHA~QC }
Bs^W0K$uBO Sleep(500);
nHA2p`T //删除服务
Z";o{@p RemoveService();
Wc(?ezn }
A M# '(k( }
ZM<1;!i __finally
\&SP7~-eq {
M5D,YC3< //删除留下的文件
*@n%K,$v if(bFile) DeleteFile(RemoteFilePath);
K~[/n<ks //如果文件句柄没有关闭,关闭之~
Qg3
-%i/@ if(hFile!=NULL) CloseHandle(hFile);
<n0-zCf //Close Service handle
}Za[<t BWS if(hSCService!=NULL) CloseServiceHandle(hSCService);
3wD6,x-e //Close the Service Control Manager handle
c!s{QWd% if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
.sCo, //断开ipc连接
HgbJsv$ wsprintf(tmp,"\\%s\ipc$",szTarget);
t0?\5q WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
.NZ_dz$c if(bKilled)
W(EU*~<UC printf("\nProcess %s on %s have been
y9:|}Vh killed!\n",lpszArgv[4],lpszArgv[1]);
e=YvMg else
N-lXC"{) printf("\nProcess %s on %s can't be
xJ,V!N killed!\n",lpszArgv[4],lpszArgv[1]);
{<&x9<f9 }
T?Gi;ld7 return 0;
9erTb?@S }
jMg Ni@ //////////////////////////////////////////////////////////////////////////
-Ndd6O[ a5 BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
{R&F_51)V {
b>G!K)MS3 NETRESOURCE nr;
C}wmoYikV char RN[50]="\\";
{DAwkJvb] KrG$W/<tg strcat(RN,RemoteName);
AM,@BnEcuT strcat(RN,"\ipc$");
>a
Q;8
TqCzpf&&h/ nr.dwType=RESOURCETYPE_ANY;
=TU"B-* nr.lpLocalName=NULL;
7(ZI]< nr.lpRemoteName=RN;
N9_9{M{ nr.lpProvider=NULL;
s}UPe)Vu 2g|+*.*` if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
4_)@Nq return TRUE;
jwGd*8
/ else
Gh|q[s*k return FALSE;
"c=\? }
2#ypM 9 /////////////////////////////////////////////////////////////////////////
aZ- )w BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
KK/~W {
_epi[zf@ BOOL bRet=FALSE;
^+!!:J|ra __try
^?w6 {
yG{'hx6H //Open Service Control Manager on Local or Remote machine
>|mmJ4T hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
.z)E if(hSCManager==NULL)
^\J/l\n {
E2 #XXc printf("\nOpen Service Control Manage failed:%d",GetLastError());
eCdMDSFO3 __leave;
3<#4 }
pv;}Sv$
]- //printf("\nOpen Service Control Manage ok!");
V(w2k^7)F //Create Service
u0Irf"Ab hSCService=CreateService(hSCManager,// handle to SCM database
D'c,z[ ServiceName,// name of service to start
szGp<xv_p ServiceName,// display name
e\tcP SERVICE_ALL_ACCESS,// type of access to service
mi6<;N2w| SERVICE_WIN32_OWN_PROCESS,// type of service
z'XFwk SERVICE_AUTO_START,// when to start service
t@.M;b8 SERVICE_ERROR_IGNORE,// severity of service
NDm3kMa failure
G"3D"7fa EXE,// name of binary file
U_B"B;ng+ NULL,// name of load ordering group
S3A OT NULL,// tag identifier
Ks7DoXCvE NULL,// array of dependency names
{H=DeQ NULL,// account name
ku&IVr% NULL);// account password
Ws{2+G~ //create service failed
rK9X68) if(hSCService==NULL)
IEmtt^C {
":tQYo]d //如果服务已经存在,那么则打开
wk'|gI[W if(GetLastError()==ERROR_SERVICE_EXISTS)
mtvfG {
uR"(0_ //printf("\nService %s Already exists",ServiceName);
mtOCk 5E //open service
IJhJfr0)Oo hSCService = OpenService(hSCManager, ServiceName,
9Qst5n\Z SERVICE_ALL_ACCESS);
%D:Mt| if(hSCService==NULL)
DfXXN {
Rbm"Qz printf("\nOpen Service failed:%d",GetLastError());
[yJcM
[p\ __leave;
049E#[<Q" }
\,+act"v //printf("\nOpen Service %s ok!",ServiceName);
=I-SQI8 }
:RBp else
NffZttN {
{|9x*I printf("\nCreateService failed:%d",GetLastError());
q$Gf9&ZO __leave;
MR} GxI }
"d^h Y}Xx }
E%FCOKw_ //create service ok
8*k#T\ else
H<92tP4M {
*VmJydd //printf("\nCreate Service %s ok!",ServiceName);
j,?>Q4G }
TO ^}z xxpvVb)mF // 起动服务
)S]4
Kt_ if ( StartService(hSCService,dwArgc,lpszArgv))
z^;*&J
{
$DuX1T //printf("\nStarting %s.", ServiceName);
4Z.G Sleep(20);//时间最好不要超过100ms
tF}Vs} while( QueryServiceStatus(hSCService, &ssStatus ) )
c!{v/zOz {
ROw9l!YF if ( ssStatus.dwCurrentState == SERVICE_START_PENDING)
z<YOA {
-Jr6aai3+ printf(".");
X"0n*UTF, Sleep(20);
5ztHar~f }
'Y Bz?l9 else
.'.#bH9K break;
cy%JJ)sf }
_ +q.R if ( ssStatus.dwCurrentState != SERVICE_RUNNING )
kC"lO' printf("\n%s failed to run:%d",ServiceName,GetLastError());
r+r-[z D( }
kmXpj3 else if(GetLastError()==ERROR_SERVICE_ALREADY_RUNNING)
EZlcpCS {
)u ) ]#z //printf("\nService %s already running.",ServiceName);
jq#uBU% }
i"V2=jTeBv else
p~1!O]qLt {
+KGZk?% printf("\nStart Service %s failed:%d",ServiceName,GetLastError());
#+I)<a7\ __leave;
]k
&Y ) }
"ph&hd}S bRet=TRUE;
5v<X-8" }//enf of try
+n_`*@SE __finally
c'ExZ)RJ {
J\VG/)E return bRet;
^LO=&Cq }
{y-7xg~} return bRet;
~?T*D* }
#z$FxZT<b /////////////////////////////////////////////////////////////////////////
+0lvQVdp} BOOL WaitServiceStop(void)
fbgq+f`\ {
c
4xh BOOL bRet=FALSE;
gb:)t}| //printf("\nWait Service stoped");
>T:
Yp< while(1)
%P05k {
sz4)xJgF( Sleep(100);
b~uz\%'3 if(!QueryServiceStatus(hSCService, &ssStatus))
$Pv;>fHu {
m/vwM" printf("\nQueryServiceStatus failed:%d",GetLastError());
wju2xM break;
9,g &EnvG }
I[E/)R{\ if(ssStatus.dwCurrentState==SERVICE_STOPPED)
IWbW=0IsS {
@w:6m&KL9 bKilled=TRUE;
~&) bRet=TRUE;
'fB/6[bd break;
A#t#c* }
e+J|se4L5 if(ssStatus.dwCurrentState==SERVICE_PAUSED)
cu&tdg^q {
--Dd' //停止服务
jn[%@zD } bRet=ControlService(hSCService,SERVICE_CONTROL_STOP,NULL);
O{WJi;l break;
tu(k"'aJ }
4'L%Wz[6 else
J`F][ A {
dfkmIO%9X //printf(".");
k8]=5C?k continue;
f{_K%0* }
CYlZ<