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/*=========================================================================% c8 e# `$ J! v2 w' W8 S+ |
FILE:HTTPPROXY.cpp! I7 q7 i8 t. P+ }, N" z( k( L
HTTP Proxy v1.05 m8 v+ a5 O5 M T5 }9 y
powered by shadow 2004/11/14
! z/ ~8 N6 U5 Pmy web:http://www.codehome.6600.org
5 N# t" a- a. YQQ:176017352, y1 K1 S# ?/ z6 |
请先阅读有关http代理协议的相关资料,转载请著明出处. l E2 M H. N4 [! F" Y6 F
==========================================================================*/
. t8 s( x6 S [0 R& c% v6 I #include "stdafx.h"
+ h5 f. B/ B6 n#include "HTTPPROXY.h"1 M' ]3 t% H7 Q
#define FD_NOEVENT 0
2 w- S" ~' V( B// ^" a- J" f) V2 Z
#define BACKUP 100
/ R6 [5 A1 S; O0 m7 q( [#define MAXDATALEN 65535
7 N7 y5 N) i. Y Z1 [1 R0 Oint HttpListenPort;# N5 L/ k5 G2 P. }
SOCKET HttpListenSock;
/ M, N) i9 C7 W' n4 i3 Z/ c//
4 n! Z& }# ]+ t2 H& vtypedef struct _CLIENTINFO{4 }5 E. a. y) m" Y2 S+ D7 O- f
SOCKET clientsock;
& Z, k4 n7 X$ T, oSOCKET udpsock;- S, b0 N- K8 o+ B8 |% L; k3 N
sockaddr_in clientsock_addr;
8 Y1 P+ \5 G/ C8 r1 e/ B}CLIENTINFO,*LPCLIENTINFO;
5 e' Q5 c1 R3 B3 N* g5 M- CCLIENTINFO HttpClientInfo;
" ]1 |+ Y9 ~9 E) J) D; L//3 j4 [; B6 h$ f8 Q* |
typedef struct _SOCKINFO{4 {! E8 @- V& J3 j5 \ K
SOCKET sourcesock;/ c8 H* c7 U( Z$ }$ f$ H; g1 [
SOCKET destsock;1 F' k, G( t1 {$ p3 N
}SOCKINFO,*LPSOCKINFO;6 d& [8 K2 g" U9 p% h' S# l
SOCKINFO httpsockinfo;4 N1 D4 |& {% ~, J
//* d2 G4 Z) M+ z4 s4 a. B6 x
extern long GetSocketEventId(SOCKET remotesock);1 c, b1 V+ `' e% t
extern unsigned long GetLocalIp();
: e7 Z8 u) e& S4 q- {& u! ^, [2 }& oextern unsigned long GetDomainIp(char domainname[250]);/ v% I6 V: c" |( E" S% y' ?
/*
/ p! |1 ]$ B, J. E& Klong GetSocketEventId(SOCKET remotesock){
0 M2 V2 Y) @( j: W2 ?3 x- t0 ^long EventId;
- D* R* _' ^$ S" t0 NHANDLE hevent;6 W& l* W4 U- P1 a' m& h% M/ p
hevent=CreateEvent(NULL,0,0,0);
4 ?) T \3 J- ]" X& NWSANETWORKEVENTS socket_events;
4 Y% B% k* ~3 f; {: AEventId=FD_NOEVENT;
# @+ O; R7 r* f# O+ w; I9 bif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;
4 R+ ~" Q& W. `: e: rWSAEnumNetworkEvents(remotesock,hevent,&socket_events);
8 Z: n7 g- k) C% g; v$ xif(socket_events.lNetworkEvents!=0){
# x g3 h" N! Eswitch(socket_events.lNetworkEvents){
1 i# _. Z* ^, H9 Icase FD_ACCEPT:EventId=FD_ACCEPT;break;& T2 X. r0 s# o& g: G% T: u0 X7 w
case FD_CONNECT:EventId=FD_CONNECT;break;
( }; P' d9 Y! {: ycase FD_READ:EventId=FD_READ;break;
8 f% r. E; w7 i( |8 o4 xcase FD_WRITE:EventId=FD_WRITE;break;4 I1 g# [* h: j: M3 Q& t" k' f
case FD_CLOSE:EventId=FD_CLOSE;break;' t. c7 z! |. B$ G
case FD_OOB:EventId=FD_OOB;break;
7 a7 }) w3 R- [( mdefault:EventId=FD_NOEVENT;break;/ a3 U7 J9 _. q% j2 ^) H3 c5 D% _
}
) _( j& E# e0 P7 X, J( M}
* o% q$ M( d, _- h5 S3 ~. Qelse EventId=FD_NOEVENT;3 c1 O/ y5 N0 g
return EventId;
9 ?- M6 \4 d8 G+ v. z3 n3 V}
Y9 r7 Y8 K1 B# n# L0 C( `) z& O% E//
6 {, w/ f, h$ qunsigned long GetLocalIp()5 |. ^+ ?, c, o* c1 P. G4 j9 g
{: i! y4 i) F) S. U3 k
char IP[MAX_PATH],*ip;
0 K9 s2 P% b5 q! p1 Kchar pc_name[80];3 }7 r+ D6 U: V3 n c6 c
struct in_addr in;
" i) n8 a) ?4 I% K; cstruct hostent *host;# _7 O0 F/ o" H
WORD wVersionRequested;# \( y' z, w7 S0 [* Q
WSADATA wsaData;: z4 t0 s6 N: j8 |, r; c
wVersionRequested=MAKEWORD(2,0);
8 M- E4 a0 p; Hip=IP;1 k; b7 e, g9 w' G- V8 m
strcpy(ip,"Ip not get!");
6 d" l% }/ h1 B* b5 K: H& qif(WSAStartup(wVersionRequested,&wsaData)) return 0;4 F; @0 L4 n/ b* W
if(gethostname(pc_name,80)==SOCKET_ERROR){
1 q9 E- D+ U. q6 bWSACleanup();8 o: q' r- K/ V
return 0;
' b# Q3 F" b0 P# u}' P% t& I9 j3 `& Z$ i! K6 u3 i
if(!(host=gethostbyname(pc_name))){
$ ?- f9 j3 @0 r$ lWSACleanup();
, E# K) x3 w" t G! t b4 L" E2 y# treturn 0;
9 A% M; X; D0 F8 g9 L$ H}" L0 n8 e2 Q4 k' u3 ]
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
* C; t3 R+ v; U9 m$ n7 y) |strcpy(ip,inet_ntoa(in));
5 G1 B- l0 n1 ?( s7 wWSACleanup();2 e% ^% o7 T- D7 ?2 S* ` X
return in.s_addr;
' j* D" S7 J/ Z$ n/ b4 A, A( ]5 Q}# E1 a: N/ L i9 n: K& L9 _' a& \
//
" B/ |" |; M7 O% u2 H3 Sunsigned long GetDomainIp(char domainname[250]), F" Y& d! V1 b8 ?
{' Y6 \- G/ I7 _$ D0 h
char IP[MAX_PATH],*ip;! c9 m ~$ d4 H' Y' b+ s
struct in_addr in;
0 R% K4 k/ }, ^4 w" a" p: istruct hostent *host;4 |; Z! O t- u; [
WORD wVersionRequested;' `9 N- x U! \3 @+ G2 j y
WSADATA wsaData;7 [6 y' e1 X+ t9 m$ q$ A* L
wVersionRequested=MAKEWORD(2,0);' f+ X9 a* z3 U) n, s+ V
ip=IP;
0 X+ h% Y+ k/ o" g3 n3 ystrcpy(ip,"Ip not get!");' l. P! m3 Z, U& p( q! d# v7 ]' h
if(WSAStartup(wVersionRequested,&wsaData)) return 0;/ Y* F2 z2 b& _: ?1 {. @
if(!(host=gethostbyname(domainname))){
. Z( k9 g4 U+ C' B# O7 J; kWSACleanup();: Z+ Y& L3 E) _3 M8 t8 I
return 0;
+ s3 _% u6 i! z: g}. @2 I/ P, w, R( x" T! G6 m
in.s_addr=*((unsigned long *)host->h_addr_list[0]);6 m( X- ~% {) e, S9 [% V
strcpy(ip,inet_ntoa(in));
1 g9 X" J/ T5 p; ~( Q' v5 LWSACleanup();+ u& ~" S# G$ |, g
return in.s_addr;
4 v3 U6 ~, g Q- G; c5 n6 R$ o3 [}
- l( L9 X1 A# A8 F) Y7 j9 P+ `*/4 o- h0 ]4 U2 r( ?
//6 j3 S; b0 I$ y- G6 L3 @& R5 p
//" L1 N; v- [1 \) g
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程. d+ G- G# s8 k2 C$ K
LPSOCKINFO psockinfo; ( P$ O. p3 C- Z5 H7 \3 T# q
SOCKET sourcesock,destsock;$ [4 A P/ l& p6 @* W
char data[MAXDATALEN];
+ E4 b7 y1 g, K- X% N3 Ulong eventid;7 g9 E E$ t! o! z( T
int datalen;8 I; l4 S: A- l
psockinfo=(LPSOCKINFO)info;. v" y, A/ v) e* T i: j: ]
sourcesock=psockinfo->sourcesock;
. ^7 H$ \6 b# S) U rdestsock=psockinfo->destsock;* d y, I! q: r- ~% }( ?: u- B# Q
TRACE("deail recive thread ok!\r\n");
: U( e7 ~2 ^0 f7 {. ewhile(true){/ T( b+ F/ W' A( R4 J& l' I A
eventid=GetSocketEventId(sourcesock);
/ D! ?* f9 D: Tswitch(eventid){/ H% M& D9 S6 d
case FD_CLOSE:1 E' @, b: B: O2 x, ]# I0 h4 ]8 ^
TRACE("s fdclosed\r\n");
+ @ w9 w6 x2 s- Lclosesocket(destsock);
% d0 q4 U: w: i- }8 S4 Z) v4 }return 1;+ o* z$ w0 L: U2 D; l; D
break;
4 M* ?1 F7 U6 L5 ]% s( odefault:break;7 O1 w- m3 U1 M' n7 V: O5 k8 U) C
}
4 E. e5 n9 G/ s5 Eeventid=GetSocketEventId(destsock);
6 R* i% J+ L9 }8 I% Tswitch(eventid){: V+ h J9 N' d0 O% ?3 W
case FD_CLOSE:
, Q. I0 D' {; A% w) n4 Nclosesocket(sourcesock);
4 e. g+ ]0 y9 r; PTRACE("d fdclosed\r\n");
' @) B: l! d0 {+ e8 ?: ireturn 1;+ B. O% c6 k4 S+ w) m
break;
- t% h7 v" O3 M- Q2 xdefault:break;$ @- w' b1 N7 R; E6 g- w
}
- d) p) w9 G0 B) r& fdatalen=recv(sourcesock,data,sizeof(data),0); v5 i7 Q( \9 c$ J# e1 i
if(datalen==0){
& g% [: |% N% Y. Iclosesocket(sourcesock);
6 K' n3 `9 p3 [$ j' [7 gclosesocket(destsock);
( x4 |: p* n+ j$ f# |TRACE("s fdclosed\r\n");! ]% ]9 q$ ]' u, M5 e( O
break;- F2 H7 t! |% q1 H
}
+ } |3 X# \% R/ L1 M gif(datalen>0){+ [5 {! r' r4 w. `6 D/ t6 [
while(!send(destsock,data,datalen,0));) U/ r8 l3 \$ v. @5 L
}& r" B0 g2 l% {. a+ b8 J& d1 R
Sleep(1);
/ |4 K; V% X# l5 P' a% a+ o}8 E, z$ H) Y8 t# ^# z3 ~6 F% q
return 1;( k$ n6 b6 L4 M# Z* N; a
}% G- m" f: |2 j0 C# W5 e
//1 L( V; @+ J" ]* t, s# [. c
UINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程- V# o9 |/ m% n1 a
LPSOCKINFO psockinfo;1 o% A& C1 g$ q
SOCKET sourcesock,destsock;
' `/ S% q6 y, C" O6 y6 dchar data[MAXDATALEN];
: {6 }9 j, q& w% m$ W! ulong eventid;
+ H" x9 Q6 ^- d4 V4 wint datalen;$ @8 Y) M3 u/ ^' c' L5 w9 N
psockinfo=(LPSOCKINFO)info;5 C" k& ?4 v- P$ J @$ w2 z
sourcesock=psockinfo->sourcesock;
# t. P1 j/ ^' e& J( Udestsock=psockinfo->destsock;
8 T; Q) t/ T. _; y6 NTRACE("deail send thread ok!\r\n");
8 r9 B a+ D6 Q, W% P6 m8 ]while(true){
8 X0 B% F7 p: m* x) o4 t3 G/ D2 weventid=GetSocketEventId(sourcesock);/ q% t' c4 u, B7 V: M4 g
switch(eventid){. y# ]& K1 C/ b/ D; C8 X+ o2 g* [
case FD_CLOSE:
Q& p: {" e# |$ |0 W! r# yTRACE("s fdclosed\r\n");
4 J& h. }% c3 V3 A. Z, F) \closesocket(destsock);' \: K1 o4 D' G6 ]4 C8 z; w
return 1;
4 P& f1 R* C0 D5 ~5 Z a; r9 cbreak;
6 U+ f" G/ n5 }5 w( r1 \default:break;) ?' ?7 k( @5 |1 w
}
" Q7 @% \/ ~: `/ s& V- f8 geventid=GetSocketEventId(destsock);
5 q5 ^0 `$ g( k8 eswitch(eventid){
4 ~5 z, M6 M$ y" M- ?case FD_CLOSE:
: X+ C# [' }1 D/ @2 W9 W6 |& uclosesocket(sourcesock);
9 {5 z* w* @# \, X# xTRACE("d fdclosed\r\n");
* {: ?: Z# @& `1 q, p: greturn 1;. `: j! C0 e0 P
break;
& f; Z G* e5 ~3 {* fdefault:break;
7 c" ]3 f* T8 V0 [' z( F}
! l1 |, `/ p- C1 p. e v& A4 Rdatalen=recv(destsock,data,sizeof(data),0); R" c2 h1 D6 m1 y P' x
if(datalen==0){- u) n# Q) p6 H X0 Q
closesocket(sourcesock);
, O0 @: y( i2 S8 B9 D) _closesocket(destsock);
3 j) d$ P$ J4 [. E, `+ FTRACE("d fdclosed\r\n");
y# M7 { [( L/ ^# _7 H Wbreak;
, _. ?) @! t4 C, p, C, j}9 C: G. m. S6 g) Q! t, r6 _
if(datalen>0){% Z4 q- v! z Y! `5 S: w' x/ g
while(!send(sourcesock,data,datalen,0));
?' e0 }1 \7 A H' o/ }/ w}
. E. ^- A9 r3 [9 ]Sleep(1);
0 Y- g8 G( z8 v/ L$ t% S, V}
& F$ _, e2 ]9 x9 x' Sreturn 1;) P2 _# @# I* C7 O7 N
}! b) v# ~* g. m- G: O, T
//
" P7 i, A Y+ g0 H% b2 M) h- s" U2 H//
- E4 S7 ~! w% p5 R: T$ ]UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程
; S5 n% Q7 J$ a. GLPCLIENTINFO pclientinfo;" E) R. h' a5 D4 H# l
SOCKET connectsock,clientsock;- J i% E; u& q! t% }3 I) ~
sockaddr_in remotesock_addr;& `# t8 p/ r. h. ? v
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];
" Z4 f- J) u- w/ V; [( d4 o6 {int datalen,i,index_start,index_end,port;
0 {1 V- e* D5 V( M1 Z: }CString HttpString,UrlString,PortString;
! d7 c+ I$ Y e3 L3 L0 spclientinfo=(LPCLIENTINFO)info;
}+ i- W% X* j4 I) Z4 Kclientsock=pclientinfo->clientsock;* }5 f5 S1 G/ W0 Y' h$ V
ZeroMemory((void *)data,sizeof(data));
8 a/ Q1 w% E, Udatalen=recv(clientsock,data,sizeof(data),0);
7 [) r1 @1 Z; u: s6 tif(datalen<=0){& X/ F, d; e6 r/ Y
closesocket(clientsock);; r) I' N& k X; J
return 0;; \! S. w0 Y' j/ j3 l
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