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/*=========================================================================
# Q7 s; m! g' r) S& ], C; UFILE:HTTPPROXY.cpp% I; C0 a, u& p( d" N- N2 I
HTTP Proxy v1.0
9 v6 c6 C2 t/ [$ Npowered by shadow 2004/11/14
7 G- Q8 Z* }# {my web:http://www.codehome.6600.org4 t4 _# l- z0 s. w; R' S' W6 I
QQ:176017352! c: O6 E7 u# `% C# C K5 z
请先阅读有关http代理协议的相关资料,转载请著明出处
+ Z+ y: F/ o$ q. i==========================================================================*/ , T+ }+ G8 B/ g7 F- e
#include "stdafx.h"
% q9 U( C: d6 E4 c2 x4 F, W- P# F#include "HTTPPROXY.h"' V0 n: U. r2 h4 p8 l; F6 t
#define FD_NOEVENT 0
' y4 B5 m7 U; j! u" M _" G1 a//
9 ~4 m3 Y/ U3 h6 I& |' |#define BACKUP 100
0 y- F: ]! O- T9 l" E* X5 l2 ?1 |#define MAXDATALEN 65535
9 }9 E5 n0 b4 V! k2 v8 T) @1 `, M lint HttpListenPort;. `) L+ B& V c0 B/ U; V
SOCKET HttpListenSock;9 H. p7 O8 W/ C9 i
//! h A+ [- @7 p- ?! e
typedef struct _CLIENTINFO{
! A9 Q" _5 E* ^, `SOCKET clientsock;
! D- t1 z9 J& DSOCKET udpsock;
3 ]9 F1 n( Z ~sockaddr_in clientsock_addr;
2 `7 ^! W0 s9 j+ N$ x$ [+ o}CLIENTINFO,*LPCLIENTINFO;4 X- D; W; |) r+ s
CLIENTINFO HttpClientInfo;
& I0 G! r6 I1 O- J/ f- {% q1 J" T//
5 z- a6 N/ v1 c! ?: G% w2 U0 Ttypedef struct _SOCKINFO{) D, c7 z+ }. l. z9 \
SOCKET sourcesock;$ T5 ?; A" X; F. \
SOCKET destsock;
: a3 @0 X; M6 N# P c1 r}SOCKINFO,*LPSOCKINFO;. Q4 C5 }8 G) x- s a
SOCKINFO httpsockinfo;
, |9 S* A% }8 W2 C//
6 c# f. s) j& l M/ `% Oextern long GetSocketEventId(SOCKET remotesock);9 x- d9 u- F1 U @! }9 f8 ^
extern unsigned long GetLocalIp();
, Y$ \8 @- F. f2 O8 c7 oextern unsigned long GetDomainIp(char domainname[250]);
) e4 ?7 E; P4 I' X( t, W/ t! L! m/*
" Y2 Q0 {0 B c4 Glong GetSocketEventId(SOCKET remotesock){" N$ A" U4 B4 x
long EventId;
. f6 ?& h) s7 x0 Q! F. \HANDLE hevent;
- u& w3 N; x4 R# z+ Chevent=CreateEvent(NULL,0,0,0);
% A# I9 p6 a* W' q2 p" t" l+ T MWSANETWORKEVENTS socket_events;
! e( X4 O& d* q! B* QEventId=FD_NOEVENT;
$ s/ ?* I- v! U* xif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;
. }' l) e& O, Q9 D/ o) N/ nWSAEnumNetworkEvents(remotesock,hevent,&socket_events);
8 |$ k0 o/ L3 g5 E+ _9 C' F# sif(socket_events.lNetworkEvents!=0){7 t+ f( E' p6 Z0 T! y
switch(socket_events.lNetworkEvents){
: u9 k3 ^" K g) ~' Gcase FD_ACCEPT:EventId=FD_ACCEPT;break;
; S R! P; E) b7 D/ E. t0 s. jcase FD_CONNECT:EventId=FD_CONNECT;break;; Q. v k+ r# C* c- G
case FD_READ:EventId=FD_READ;break;* Y- d- e1 k7 a/ F
case FD_WRITE:EventId=FD_WRITE;break;
m) ^: R) N; A7 D3 `) F% Ncase FD_CLOSE:EventId=FD_CLOSE;break;8 ]( r7 q: Y/ {: K
case FD_OOB:EventId=FD_OOB;break;, N- u" ~2 q! O Y: b ^
default:EventId=FD_NOEVENT;break;
* \9 |9 F0 s# R/ H8 ?0 u1 e}4 z0 l$ ~8 p$ W
}" a- K7 C! E+ ?1 \0 r8 U d
else EventId=FD_NOEVENT;
) v i1 I, A" ~/ T Y- k- \return EventId;2 @" s$ @% G, B9 ?9 E' [
}4 |( w, A& b6 f# C& b
//0 z% R. s# d% E4 t# ^" M+ z
unsigned long GetLocalIp()8 g+ G$ G1 d g. R
{) i( @9 y/ X. ^ C P# d
char IP[MAX_PATH],*ip;
9 E' U0 R' F. m2 g' X( {' uchar pc_name[80];
6 `" ^2 `' _% B7 l9 ostruct in_addr in;7 Q0 O' }# i5 ?3 u, K1 v! k% h
struct hostent *host;
2 V0 W: t3 Z% g, k( V4 KWORD wVersionRequested;
2 |$ O& O' @6 n# U2 b; W! NWSADATA wsaData;
8 _( g( F5 l1 Z+ p; Q* {2 jwVersionRequested=MAKEWORD(2,0);
- F; y$ s( l: w9 F6 H( Pip=IP;
* u' ]6 C! U, g% V/ {% w" dstrcpy(ip,"Ip not get!");- R j# N6 M3 _) J0 F
if(WSAStartup(wVersionRequested,&wsaData)) return 0;. f7 K) R0 r& C' T! l2 ^; _
if(gethostname(pc_name,80)==SOCKET_ERROR){
8 Q2 O+ Z8 h6 b- E }WSACleanup();. y+ u1 i5 D- Z1 Y V d8 {
return 0;# U$ I+ @7 {6 A. f& l/ k
}0 x) A+ z; t9 e* W* a
if(!(host=gethostbyname(pc_name))){( c" g5 Y7 e) \1 U: S- p7 z
WSACleanup();
$ x0 J8 y& ~1 p6 ~9 G: Y6 S/ v0 Preturn 0;
: O# M* B! }6 |7 t! U. N7 ^}
( L V O6 J$ w1 U- T% w Q; V3 fin.s_addr=*((unsigned long *)host->h_addr_list[0]);
2 E) R& F" M- Pstrcpy(ip,inet_ntoa(in));; ?8 r+ f) b0 a9 f
WSACleanup();7 v7 F' Q) ^8 J; ~7 M4 }
return in.s_addr;- `5 u3 }4 m, p
}' m m& S4 t( N# u6 p+ u; N1 j
//
- T+ u/ z- y Q' punsigned long GetDomainIp(char domainname[250])
, h- K2 j, _! C i3 X N6 w- N8 i4 I3 N{9 G$ I1 s& H& l+ p. s' g
char IP[MAX_PATH],*ip;
: l6 i) ^" [% Gstruct in_addr in;' c- q/ w8 v& F
struct hostent *host;8 j3 B9 s! n8 [5 o+ W$ M# o
WORD wVersionRequested;5 Z! \, s! W3 d: j, w
WSADATA wsaData;
- ~# F3 ]% V1 z2 BwVersionRequested=MAKEWORD(2,0);
( |% d( t! q O. O2 O6 Oip=IP;; A+ J/ \4 U: ?( o7 W2 U$ }, d# `
strcpy(ip,"Ip not get!");) |9 c- @6 h" b/ l' N" Y' Q$ d! V/ o
if(WSAStartup(wVersionRequested,&wsaData)) return 0;
# h/ L9 ?3 c7 H5 G: n+ Oif(!(host=gethostbyname(domainname))){
# h9 w+ U7 h& ^- r% T5 HWSACleanup();
6 n! o' X1 G1 p0 A) e" C3 ereturn 0;3 g$ k! H) M0 f' s3 Z
}
8 Q. Z* _1 ~( N3 h4 w0 ^% lin.s_addr=*((unsigned long *)host->h_addr_list[0]);1 l8 D0 [, }0 ~
strcpy(ip,inet_ntoa(in));8 Q$ \ j) X( A, I9 d5 Y9 c
WSACleanup();7 g* m: `9 i3 o4 w1 T3 h; n
return in.s_addr;
' P( {" i) h+ k2 C8 {}
2 Y) e3 S C9 U+ K+ A*// Q9 f8 W" }' l& g# X; k
//
0 ^( Z* V1 u$ E8 n5 v& T6 U//
- L) W. B; O* _# f- S7 L. V4 DUINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程
" }1 C3 E& |' ?3 BLPSOCKINFO psockinfo; G) R# w' k5 ~
SOCKET sourcesock,destsock;
5 D* Z" N- C4 _5 [5 F& Kchar data[MAXDATALEN];
+ t1 E9 Y6 O$ {# Plong eventid;
6 V% d7 p h) E& ~& y: W b) g( N- V8 aint datalen;* o2 f7 f% i* t6 g4 L0 L7 Q
psockinfo=(LPSOCKINFO)info;
" S# h0 N" p8 S, u7 o* ^4 Ssourcesock=psockinfo->sourcesock;& p# q% _+ w9 U" _
destsock=psockinfo->destsock;3 [+ h- ]+ w7 U4 _) F6 _6 r
TRACE("deail recive thread ok!\r\n");
+ t2 z5 `1 M$ Y3 D |$ Lwhile(true){
) o- p: D$ y9 R9 k$ qeventid=GetSocketEventId(sourcesock);
9 o0 I$ K" i5 F4 F( [0 hswitch(eventid){4 c. ]# N# o" b
case FD_CLOSE:# k9 B! h+ F7 `2 P4 o
TRACE("s fdclosed\r\n");* f& a9 J, f e
closesocket(destsock);0 m6 X7 C5 V0 L \( O
return 1;( s* t. f# \2 t
break;+ T) X3 P1 K4 C8 z, w: o5 P M: j% a
default:break;0 c7 Z4 a7 h. g& f
}' c& N1 ~, O* K! `9 T4 K& M; [- p
eventid=GetSocketEventId(destsock);
9 d6 A8 Z# c V/ u$ s+ `switch(eventid){
2 i m! _+ b3 G3 ^; A0 l3 E5 y x6 ncase FD_CLOSE:
& ^( C' ?/ _: @& ^. e# ]7 |closesocket(sourcesock);
6 P+ B$ N0 {; BTRACE("d fdclosed\r\n");- q6 H* G: W- S) q7 [
return 1;
+ m- G3 F6 w- w0 H0 t# |% X+ Fbreak;
) a/ U7 G1 H9 `- S6 ]) Mdefault:break;1 T) k8 d- q. ]+ f7 Y; F- m. x( o
}
n4 U. ]( d9 v: B" b/ Mdatalen=recv(sourcesock,data,sizeof(data),0);
+ g( t# w# }/ T8 p, \. _/ u, Y$ eif(datalen==0){
( Z9 J* J _& b: {9 k7 `closesocket(sourcesock);
! }5 H J' o- }* M2 Uclosesocket(destsock);& U/ ~3 y) l3 q$ S: ?9 [& z4 }
TRACE("s fdclosed\r\n");/ @+ Q* d3 }5 w$ F; N" @/ i
break;/ W- c6 D* ^5 ~( l
}
$ b& K9 F3 n* z+ l* yif(datalen>0){
) x/ K: U8 D. T1 u0 Ywhile(!send(destsock,data,datalen,0));: g4 X+ l5 o6 I1 o* p7 J0 v9 v
}. V6 d0 p2 Y; B, y% N
Sleep(1);2 [/ g6 K3 s2 S
}4 v; l/ c+ y7 J" |9 ]+ V0 i* c
return 1;. g6 g: J. o: ]0 U" Z: x
}
; x$ h; F/ O7 B7 W6 S//* X' _% O" \5 x, ?, x: u' \: Z0 [% I* y
UINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程
& o+ C; F; n2 _# I1 p" J0 `LPSOCKINFO psockinfo;% J4 B- L$ s+ d1 ?
SOCKET sourcesock,destsock;& M6 t' N2 k5 R6 Q
char data[MAXDATALEN];2 D$ k9 ^6 {2 B
long eventid;' L4 O. D" }3 Y3 q4 X8 y& D2 }7 g7 H
int datalen;* [+ I$ V" A; a$ w- e. d
psockinfo=(LPSOCKINFO)info;3 G N. x! A+ Y' G4 V8 [& Y
sourcesock=psockinfo->sourcesock;
9 I2 u2 H( I B3 T, ~/ t/ \8 S$ Edestsock=psockinfo->destsock;
$ } I+ }/ q+ YTRACE("deail send thread ok!\r\n");
I7 \5 u4 Y4 L7 ]- [" l; p1 ^" Vwhile(true){
! Q: ?8 Q2 k2 _4 \1 s/ M4 Deventid=GetSocketEventId(sourcesock);6 ]* z0 ~0 T+ Q9 r
switch(eventid){$ m% T/ a' f+ Q( @2 X
case FD_CLOSE:0 d3 u+ ^) m0 j+ r4 e
TRACE("s fdclosed\r\n");$ G7 e( d) S& |) v
closesocket(destsock);( E+ ?; D$ x2 @& v7 _& i" a
return 1;5 C2 U3 Y# Y' z; G6 O1 D, l
break;
" ]* b& Z& M% J. @default:break;4 S- e2 e) f0 c" O$ W; I) K7 d
}
7 z5 b' X6 h; e* {eventid=GetSocketEventId(destsock);6 |& L4 u: ?$ r1 h V1 {, L
switch(eventid){
9 p9 ~: N2 N5 S# m5 Kcase FD_CLOSE:5 c2 o) c2 d- Q. h3 S& @
closesocket(sourcesock);$ D9 C0 N- y Y/ P! V
TRACE("d fdclosed\r\n");& i5 v1 b) K# ~! ?0 S( c% \
return 1;2 M% C2 r( m. x+ K
break;, K0 \. }* a3 S! } @$ n( A2 j
default:break;
7 C+ t7 R" }/ A# {1 U2 T3 g6 H}( N9 K' t6 m; W: n
datalen=recv(destsock,data,sizeof(data),0);+ V4 v/ \9 A7 H* _
if(datalen==0){; j, S2 R; @; x @
closesocket(sourcesock);
) u3 F: c8 ]- z* Y& y: |9 m, Aclosesocket(destsock);( H) t0 [) @* h# g
TRACE("d fdclosed\r\n");
4 b. L2 C9 Q0 m0 j% [break;- n1 J9 |, E0 ?# g x' i, u) T
}
% B( J. f2 K: o! @" ~' y& {if(datalen>0){- n$ }$ B5 X5 p# \3 s
while(!send(sourcesock,data,datalen,0));
2 ]/ x! I9 B$ X5 u( ?% k}
5 Z1 q- L, e2 f3 F$ [ `Sleep(1);: o6 Z$ k- J* ?5 z
}. e- l& q' u$ ]4 U3 p" r' G
return 1;
8 U B6 C6 R. F# c+ Y6 }}7 ?' \, b( I* h% h5 E
//
5 z" B/ X8 K* h' |//
$ B- ]1 u5 I$ s% A ~UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程/ o0 n7 G! q8 j/ u7 P) `8 ]( H2 i
LPCLIENTINFO pclientinfo;$ b7 S5 Z- P' B# y1 T# g! a& u* d
SOCKET connectsock,clientsock;! _& N" \" R% Y. A1 f
sockaddr_in remotesock_addr;
% W* L( N1 p8 s4 [' K' o$ O2 Ochar data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];
% ^! A% ^9 F, { x+ q6 y6 Q# kint datalen,i,index_start,index_end,port;
/ S3 B' b& L' A( |! E* uCString HttpString,UrlString,PortString;- w: t2 a9 q6 p' I$ T' p
pclientinfo=(LPCLIENTINFO)info;+ a' T9 {2 T- y9 ]' p! A
clientsock=pclientinfo->clientsock;! ` d3 R. D# m! ?" ]- R! L) L
ZeroMemory((void *)data,sizeof(data));
/ ?; T0 M1 z. qdatalen=recv(clientsock,data,sizeof(data),0);7 z. Q- y' U( P
if(datalen<=0){2 g' {. h/ O0 I5 |
closesocket(clientsock);% O* L8 ?" h- t( G
return 0;! p/ T! S5 H8 j2 a* s. N: ]9 F- b
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