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/*=========================================================================- F. M7 l; y3 }+ V0 c5 J- y- B) S
FILE:HTTPPROXY.cpp- _7 Q$ q2 P r' t
HTTP Proxy v1.0
5 p( @5 D: Y. q( `% Jpowered by shadow 2004/11/14
8 P1 R+ Y- U6 e/ ^! y% y; I3 omy web:http://www.codehome.6600.org$ r: K/ q2 B& K- _& `
QQ:176017352
' k. S" M3 z6 l) K g请先阅读有关http代理协议的相关资料,转载请著明出处
& G) D; `: A; x( j==========================================================================*/
' b P0 y; N; B6 w% b" g #include "stdafx.h"
# f6 f# [; Q, `; L! i: m#include "HTTPPROXY.h"6 E& {" R6 J) g- d* ^; U
#define FD_NOEVENT 0
* X$ P" O3 C: |# A V//! X9 r" a, Z, c+ h2 N
#define BACKUP 100
' [( a! `9 v. C' p: U+ l#define MAXDATALEN 65535
6 Z0 ~/ W7 k" @: y6 C, g8 F' wint HttpListenPort;8 A, _! ^1 @, v0 Y8 R% E) E
SOCKET HttpListenSock;
& v) r% p J! {5 F//
9 X4 U6 o' U: Y2 L1 atypedef struct _CLIENTINFO{% B8 q# ` O4 s
SOCKET clientsock;
3 H' G% ~" y0 N S$ F6 O- GSOCKET udpsock;
8 E0 f; ]9 ]7 Y, n/ fsockaddr_in clientsock_addr;' z& |; |+ M7 a/ J& I8 T
}CLIENTINFO,*LPCLIENTINFO;! n- Z7 c' o( n# ~) E
CLIENTINFO HttpClientInfo;' g1 W' t& z4 ]$ Y
//3 B$ a* a: l6 _% y" e
typedef struct _SOCKINFO{
! y, ?, o# T2 vSOCKET sourcesock;
: e( L/ D8 u+ n4 R, CSOCKET destsock;
3 } i2 F* q9 q/ k}SOCKINFO,*LPSOCKINFO;8 ?3 O4 j% L) l$ O5 s
SOCKINFO httpsockinfo;
7 U# K, z5 k6 E3 ~4 n! g// h! j" D) a9 M: I
extern long GetSocketEventId(SOCKET remotesock);! F( z1 l7 M) U3 h( U
extern unsigned long GetLocalIp();0 P8 i; B$ \* {6 P0 [
extern unsigned long GetDomainIp(char domainname[250]);
* s3 B! l, A0 M0 I9 v ~" o/*
1 U/ x9 i6 ^8 \0 r5 I5 slong GetSocketEventId(SOCKET remotesock){5 t" G$ |. v4 O7 q# f" P
long EventId;
$ E8 P( r+ `9 c3 G* U3 j- nHANDLE hevent;
6 n( j7 G4 Z7 G5 z& B7 Y& |( H5 ehevent=CreateEvent(NULL,0,0,0);' W" D! R9 m. q. L2 u: F
WSANETWORKEVENTS socket_events;
7 S/ X; i* @% Q% ^% |; Y( e5 ~, MEventId=FD_NOEVENT;4 L4 B/ C5 E4 A' P
if(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;) J; U9 x9 G% t; ]$ P+ `% D
WSAEnumNetworkEvents(remotesock,hevent,&socket_events);
9 ^2 E; S4 F& [: C! J* Tif(socket_events.lNetworkEvents!=0){9 w- |: A: @: F$ Q0 E! I
switch(socket_events.lNetworkEvents){1 G7 P6 D/ R/ p! k" @6 H
case FD_ACCEPT:EventId=FD_ACCEPT;break;
- D$ J( w# F+ ~( f8 icase FD_CONNECT:EventId=FD_CONNECT;break;
2 x# R3 [* }0 J$ n9 T6 \case FD_READ:EventId=FD_READ;break;
; |$ g( E$ t" h6 ]" e; W ycase FD_WRITE:EventId=FD_WRITE;break;6 U2 c- t9 Q8 R) E3 n4 f
case FD_CLOSE:EventId=FD_CLOSE;break;/ G5 U- q9 k4 f- O
case FD_OOB:EventId=FD_OOB;break;) F0 C" q" S' H4 s. c/ |
default:EventId=FD_NOEVENT;break;
& q' I4 Y+ S, ^7 Q/ ?}
% w& B' r0 L. z- Y, H}
2 h' Q7 }) P0 @6 ?& aelse EventId=FD_NOEVENT;) w! a. d. [' p
return EventId;
5 B# [% h# n3 o. p: n4 o- _$ W}
4 x" H; k5 F) x$ \//, |5 |( h- @1 w; g! m+ X/ g- D
unsigned long GetLocalIp()
3 {6 @. i& n" q# O. i [* d+ @{
2 B- b( D: k2 Q) Y( j( }; |7 d" z' cchar IP[MAX_PATH],*ip;
# p3 T4 s6 |# _1 m6 qchar pc_name[80];% f$ g2 Y; g! `: \9 F2 {) v
struct in_addr in;2 z$ V0 ]$ |% t% k6 o. C
struct hostent *host;
3 b/ ]* y% b3 iWORD wVersionRequested;
" k" L( B) W3 B% R2 H" i: j4 WWSADATA wsaData;
! r1 g$ @- P$ a3 ~+ g% DwVersionRequested=MAKEWORD(2,0);
! Q! I8 ]1 H4 pip=IP;
1 j. U9 ]* Y8 j4 F7 F: qstrcpy(ip,"Ip not get!");
6 Q6 d- }0 i# Z% U5 p, {if(WSAStartup(wVersionRequested,&wsaData)) return 0;
9 {: I" S0 s' \' l8 K! bif(gethostname(pc_name,80)==SOCKET_ERROR){
6 n y4 ^" P" D& d% e0 t9 d0 qWSACleanup();
2 m9 \3 A4 \5 j$ I% B( ]! Z/ areturn 0;
" @) X' D9 Y) Y3 i* z}9 Z! V; T( V# ?
if(!(host=gethostbyname(pc_name))){6 G [, c8 Q" S! L" M$ Q# ~
WSACleanup();
* G& F- C4 c, I# Rreturn 0;
/ T* z1 Y2 [3 k8 U' _}5 j$ d9 |- i8 F8 d" r! Y
in.s_addr=*((unsigned long *)host->h_addr_list[0]);& T' b4 D) j2 v/ C$ S
strcpy(ip,inet_ntoa(in));$ c2 |" j2 |$ p0 i0 V) h3 G* O
WSACleanup();
5 ]" f: X! u7 R7 d. D4 x1 O! E3 Ireturn in.s_addr;# |+ s7 `, r1 U* j* J
}
/ ?" a# s4 K& S! ~5 G//5 U5 `# J2 _4 s" r4 W7 r" y
unsigned long GetDomainIp(char domainname[250])( n4 n- ~& _5 ?5 Y9 c- H9 r
{+ h0 j/ F* b! e4 D" p
char IP[MAX_PATH],*ip;3 @' x3 l; R8 K, l5 f a
struct in_addr in;
0 ^2 R1 z" Z) V2 m% U! i( Dstruct hostent *host;
6 t, o# j4 g5 YWORD wVersionRequested;
& _$ v2 U/ e; _- U& mWSADATA wsaData;
# |2 d+ W1 R2 W! @ l( WwVersionRequested=MAKEWORD(2,0);9 h5 \1 V" o" \4 Q1 b
ip=IP;
& J! L5 g6 ]! pstrcpy(ip,"Ip not get!");: @. q# s) Q- {& `
if(WSAStartup(wVersionRequested,&wsaData)) return 0; o. m% t9 x# K# K: c; g
if(!(host=gethostbyname(domainname))){
9 o% e! a6 A: u: o& b' @. s0 dWSACleanup();8 D, R, l: Y% ^' U# l
return 0;
N0 C, R9 v0 S6 b; D}! y, }; m1 R; o0 l7 [: h
in.s_addr=*((unsigned long *)host->h_addr_list[0]);& ~5 t( g# G0 i/ F; m- V( `5 ~# q
strcpy(ip,inet_ntoa(in));: j7 b4 L8 f1 {
WSACleanup();
' R. F! M0 r' D* H* R* a' Jreturn in.s_addr;
) N! V; Q: ^' i}3 h# `1 j$ j8 C! \$ I
*/
% @) Z" r' R6 [ J1 H1 i' y$ O//
/ z) f; v: X0 K" P//
. g3 B* J; c9 n5 Q2 }UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程
$ \& l7 c& j+ O5 }- m+ e! z# TLPSOCKINFO psockinfo;
. \8 [2 r9 f e7 [4 ASOCKET sourcesock,destsock;
, R# y: R& x" u# V6 i, `$ n7 a( Qchar data[MAXDATALEN];
+ ?( Y4 a( I1 ?& ~( M! C* ?6 Ilong eventid;7 Y+ } S8 ~9 `& z( Q a$ z
int datalen;
$ j$ o# M, D+ ?6 Z6 J3 t/ _- Apsockinfo=(LPSOCKINFO)info;5 O5 R( r9 R* t/ V. Z
sourcesock=psockinfo->sourcesock;
- p# G$ B8 t& P! ]5 [& idestsock=psockinfo->destsock;" V% I" L V% z# }8 e3 r, U4 T4 o
TRACE("deail recive thread ok!\r\n");4 k0 b1 r& g5 u" k
while(true){
! R/ Q; h2 X9 S2 A, H7 y7 w( ueventid=GetSocketEventId(sourcesock);9 P6 w) D. ^- x) \( @
switch(eventid){* k+ A3 N0 N+ b# \5 S% y
case FD_CLOSE:! q& G) i6 Q5 V9 n6 y+ }$ E! x3 h
TRACE("s fdclosed\r\n");# z0 x& a# j; N& D; p
closesocket(destsock);" m$ w( J3 s+ e- r$ F \# b# c
return 1;$ `$ T, J3 S5 r1 A
break;8 n! h Z# L# g. K+ l
default:break;: B, H' o3 B: Z: h& }5 q* i
}% L, u4 k" B1 W+ F1 T
eventid=GetSocketEventId(destsock);- q& P: }0 I" c; K0 O# ?& o8 J
switch(eventid){+ U4 ?& c/ k# ?. X% u7 B
case FD_CLOSE:/ M+ T- r6 L9 y
closesocket(sourcesock);
1 C" y3 n5 h+ tTRACE("d fdclosed\r\n");
- w2 U8 n# e5 r$ Z2 z) kreturn 1;
; w& j9 q/ A/ z* w+ Qbreak;( ?, m$ W8 H. h7 p7 g, ?
default:break;3 Q. } F! b r M5 F5 W( S& k( O7 H. `
}8 M! w1 j/ C+ r( s# h' _
datalen=recv(sourcesock,data,sizeof(data),0);
) X; C) c5 ~, R5 W( w, e: Eif(datalen==0){7 P, z; Y" f5 ?
closesocket(sourcesock);
5 g! a# E4 f1 t2 }. Tclosesocket(destsock);
1 U; R- M# u4 ~3 HTRACE("s fdclosed\r\n");
' X% }9 f9 }7 Cbreak;; V; `% k1 ~! [+ w
}
) K& q0 S: n8 u5 F. T7 L% L9 Cif(datalen>0){# M3 U# I) F* o" l0 T e! z
while(!send(destsock,data,datalen,0));" i! L) ^( B) {* W4 i4 G1 p2 C
}9 x. T/ p0 B+ T3 j( {5 M
Sleep(1);
! Y G0 J$ h$ ~' }( @}7 e% C3 ^' k! W \
return 1;! Q( i5 z8 B$ p2 n; r
}8 Q3 ` U4 o+ x" Q5 I
//
+ J! k. M8 o: a" m( rUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程
/ d! b" C5 O* ~LPSOCKINFO psockinfo; T( c9 S3 z8 f% a! ^
SOCKET sourcesock,destsock;
8 l% o/ j+ }; G( D/ Y- c1 w& z- fchar data[MAXDATALEN];
1 f1 a3 l1 @2 |2 _long eventid;
c0 W* @. r. {) Q$ iint datalen;4 p, V* w$ m' G0 o8 C' C
psockinfo=(LPSOCKINFO)info;& K3 Q6 q9 u" ?9 h1 B
sourcesock=psockinfo->sourcesock;" d. ~) X p9 u& z" q
destsock=psockinfo->destsock;
( _0 g) I6 A) H; tTRACE("deail send thread ok!\r\n");4 G4 D" h; ~7 V, a
while(true){
$ A: i0 `/ Z4 p/ C+ g5 feventid=GetSocketEventId(sourcesock);
( |& s( J% v' s2 b9 e( |' jswitch(eventid){
" S. T' f+ V$ q" K C9 Ccase FD_CLOSE:
6 b k" S& x# Y$ M% \TRACE("s fdclosed\r\n");: J/ h7 _% d k
closesocket(destsock);# n( A" d; A3 C3 q+ d
return 1; D; k9 Z1 ?* P& u
break;
. u8 g [1 ?4 ^# |6 G& M idefault:break;
' X9 }% j$ V+ ~. {3 }; e, |) g}6 ?. L% s: E0 X ]
eventid=GetSocketEventId(destsock);
0 V$ P i# I9 Xswitch(eventid){
- G, z% S" {; N* Kcase FD_CLOSE:
% N m/ s( G; S% L5 h' vclosesocket(sourcesock);
$ m% C6 Q+ o" g5 oTRACE("d fdclosed\r\n");
6 B3 u9 ^8 K3 Q8 H: L' G" Oreturn 1;
1 Q9 Z5 l4 B8 s- ]break;1 K) o1 _/ I+ O2 k8 F
default:break;
% o* A$ y) U6 m- K}9 K0 B" e/ `% v- U" F/ W1 w9 w
datalen=recv(destsock,data,sizeof(data),0);/ b( k; @& O! h3 g
if(datalen==0){
5 j. y( M) d, e9 p$ O; yclosesocket(sourcesock);
5 @0 ?$ T/ S( I `6 r: f2 v, wclosesocket(destsock);
/ [5 f" o! e; d+ wTRACE("d fdclosed\r\n");
; n1 W7 Z8 t- g7 L" cbreak;3 r' u/ r9 o( |5 U8 }+ S
}5 E# t6 s0 V" Z
if(datalen>0){
6 n' {1 I# b% h: h' {while(!send(sourcesock,data,datalen,0));
+ R& o& u# {! ]}
2 Y N' j! Z) Z" D* W+ T! CSleep(1);
% X& b5 E1 ^+ `$ R) X}
1 D% y* @/ |3 ]return 1;
3 a( T( c( x! u}
5 Z, |& J5 V8 ~; I+ Y1 ]//& `* c: `3 P$ s5 I9 i, h/ t& }
//" [% u' Y- l( }
UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程3 `) E9 ~" Y3 @8 u/ P+ d+ Z8 ]
LPCLIENTINFO pclientinfo;% a; T; t# m! }6 i5 g( M- f V$ O; ?
SOCKET connectsock,clientsock;
" h7 C* n, b P4 b* S( X7 Bsockaddr_in remotesock_addr;
) I' X6 j0 p' X, l8 zchar data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];0 z/ g7 B% W3 F; \! F, x
int datalen,i,index_start,index_end,port;5 Z# g3 ]* c1 L4 f5 ] c S
CString HttpString,UrlString,PortString;
9 ]; Q% ~ N- D8 ^+ ]% Ppclientinfo=(LPCLIENTINFO)info;
3 M# ?; M2 r* N# n+ G! Iclientsock=pclientinfo->clientsock;4 E" E! ?2 ]/ n8 Q
ZeroMemory((void *)data,sizeof(data));- r" [, G! g: h8 a9 E4 M
datalen=recv(clientsock,data,sizeof(data),0);
( _% M4 F9 B4 y+ @* C9 pif(datalen<=0){( a, O x8 G# B+ Q5 y
closesocket(clientsock);
' Y" \$ Q" g4 a! zreturn 0;
# n* w- d/ Q% A |
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