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/*=========================================================================/ Q8 b" U% k( r
FILE:HTTPPROXY.cpp
/ {5 A6 S' F+ p0 j. {HTTP Proxy v1.0
( Q& |' K" ~5 U7 J0 j2 `powered by shadow 2004/11/14/ ]; Q, p5 g" @9 K4 o& r
my web:http://www.codehome.6600.org S0 @4 s) y7 C3 J: Z
QQ:176017352# n& _' n0 r9 h- C2 @
请先阅读有关http代理协议的相关资料,转载请著明出处: l1 X# S: Z" U: d
==========================================================================*/
$ Z( a r3 `, L: d6 S0 z, v6 { #include "stdafx.h"# @1 p, [, e- s0 M& c5 a
#include "HTTPPROXY.h"
: ?+ B8 t% q2 F" \" m7 K#define FD_NOEVENT 0
. Z% @, h! x8 r/ _//' U Z! l6 I8 C/ o+ e
#define BACKUP 100* P2 |- R) `, }1 G& F- F' R
#define MAXDATALEN 65535
# H9 O: Z( Q H, {; Aint HttpListenPort;, n3 u$ g- W0 q1 u: h! i
SOCKET HttpListenSock;* L: v5 a4 S# E' r" t) Z8 n
//
' _- K o* a4 `4 D- T# htypedef struct _CLIENTINFO{
* o( t9 T Y, g/ W. CSOCKET clientsock;) I! ^$ Z: C8 A6 F- H2 ~ g& i' \
SOCKET udpsock;+ E- c7 |6 J' X' U- S1 B7 ]2 f" h3 a
sockaddr_in clientsock_addr;
/ p9 J6 w& O- @; d9 c}CLIENTINFO,*LPCLIENTINFO;8 y/ I# O+ I$ }) P9 v: l
CLIENTINFO HttpClientInfo;
N/ @; Y( z+ r9 ~5 \; Q//$ b- v1 C! P* ^% X; @) _
typedef struct _SOCKINFO{: ]9 z# C r# ^3 L( u
SOCKET sourcesock;4 ^' U* c+ a4 n8 m! y
SOCKET destsock;
5 ~1 t( g O; l+ g}SOCKINFO,*LPSOCKINFO;7 A3 P) d M+ c3 x7 J) Z
SOCKINFO httpsockinfo;
1 s" O) _* C$ m9 ?: F6 ^# s/// V" u0 [. l( } Z3 @! S( p4 G
extern long GetSocketEventId(SOCKET remotesock);" s/ I# |. Q% J9 ^$ }# q5 H% F0 F
extern unsigned long GetLocalIp();( O9 \; S4 n8 X8 W2 o
extern unsigned long GetDomainIp(char domainname[250]);
3 K4 V+ p2 H" |% W( [/*4 ? D' h# z' {: ^" o/ a
long GetSocketEventId(SOCKET remotesock){
6 G6 W) {5 ]; Hlong EventId;/ M+ A9 Q( F; ^& h, ^$ v
HANDLE hevent;) n& l: x! X" p& n+ X5 y
hevent=CreateEvent(NULL,0,0,0); _4 a1 E! ^% P6 ^+ f
WSANETWORKEVENTS socket_events;. ^8 \$ V7 [* a9 C1 L# E5 n! N
EventId=FD_NOEVENT;
, m/ N( u: o2 V) t. m. Oif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;
( |9 \9 d4 B* K& e- S/ V0 eWSAEnumNetworkEvents(remotesock,hevent,&socket_events);5 z/ s$ ~$ Y- p" j7 z; m
if(socket_events.lNetworkEvents!=0){
& U% i1 X8 @' R- R& m( eswitch(socket_events.lNetworkEvents){
; Y" E! `8 N# H' J" z9 _case FD_ACCEPT:EventId=FD_ACCEPT;break;
( S/ O( I9 ^$ y0 _9 u' S7 g, k# D/ icase FD_CONNECT:EventId=FD_CONNECT;break;
0 v& c1 {2 v9 T+ Rcase FD_READ:EventId=FD_READ;break;: _ z* p- R2 \# u/ q
case FD_WRITE:EventId=FD_WRITE;break;6 q2 G H+ c8 V* h. Y) j" g
case FD_CLOSE:EventId=FD_CLOSE;break;. J8 h- p- M% [
case FD_OOB:EventId=FD_OOB;break;
$ m" _$ q7 ]: l5 ^default:EventId=FD_NOEVENT;break;5 z0 F. Q T! B
}
^+ b; U: U/ R( D1 z! N3 E: P}
/ K9 s+ V! z0 n* t$ B+ melse EventId=FD_NOEVENT;
' W9 m" Q0 K/ N) S7 ~- Y$ s' _return EventId;
0 A& C# I8 Y! R+ _) ?& a/ m$ K}5 I, E* v1 Z4 z) ~) Z) p
//; c1 ?6 l/ P% ~/ W
unsigned long GetLocalIp()" b1 A& r) [, T, o0 S% a
{3 B4 n( V- A ^2 u# L, k; X
char IP[MAX_PATH],*ip;2 X5 M+ K8 J" P/ m% X) h
char pc_name[80];
8 |( k8 c8 N. c8 X. \ _- b# L% Sstruct in_addr in;
$ W+ P, ~$ {& C+ m& c8 F4 qstruct hostent *host;0 t( i1 m. ]- |& [; o3 k1 x- S
WORD wVersionRequested;
! p; x0 C) e. @9 R# ]WSADATA wsaData;& \$ G$ l0 `5 Y2 y
wVersionRequested=MAKEWORD(2,0);8 I" m; R& ~% _1 ~8 z1 z. O' u# d) m
ip=IP;6 }) N) n' L- W/ ~
strcpy(ip,"Ip not get!");
d, X& |, a& U+ j5 [if(WSAStartup(wVersionRequested,&wsaData)) return 0;
: m. C( K# Q* |" ]if(gethostname(pc_name,80)==SOCKET_ERROR){/ t7 l E* v0 T& |( F/ E
WSACleanup();
! q9 O3 b4 g' u Q* J2 M. ]return 0;
5 H. w0 Q- C& ?& }}$ `" Q) r1 ^2 [6 t5 U! ]: n
if(!(host=gethostbyname(pc_name))){
6 r) L& ]8 z: TWSACleanup();4 P* ?0 ?& U- y# ^, p2 O# s
return 0;
0 t/ [3 k( W, f5 ~! y}
+ v' @! {' [; F5 A6 @in.s_addr=*((unsigned long *)host->h_addr_list[0]);5 A. `- P! r# z! o! J" c0 a
strcpy(ip,inet_ntoa(in));
; L& t% g, d. xWSACleanup();
2 _7 B( c: g8 ~& a: \7 Y& Zreturn in.s_addr;; ?7 T% r& s6 b; C
}
: d8 @$ g7 d" t; C9 i6 p' n1 i//. _/ C! `% d% J1 P" ]
unsigned long GetDomainIp(char domainname[250])
' {% M' C3 f" Y, K5 C; E{# [" s, S; Y$ J6 u+ T! a
char IP[MAX_PATH],*ip;
) b9 ^ ~, B! H9 o1 Estruct in_addr in;
$ r* K1 f9 r" ^4 t' Hstruct hostent *host;9 d3 }/ P( K7 v. F1 X6 |# T
WORD wVersionRequested; h$ X1 I4 A/ ]& q/ W' l2 F
WSADATA wsaData;/ a- I( Q% g& q) r2 w/ q! i
wVersionRequested=MAKEWORD(2,0);5 l' A ~8 I/ u" S9 \" c+ f
ip=IP;
W5 v ^/ @+ s( ~" k. cstrcpy(ip,"Ip not get!");
& b+ P5 @6 o! h6 C1 }if(WSAStartup(wVersionRequested,&wsaData)) return 0;
. b5 ^% o- I3 E. d& hif(!(host=gethostbyname(domainname))){- v: D8 @( l1 ]9 u
WSACleanup();
+ o# j6 E# h$ W4 ^$ t- vreturn 0;
- S% @8 D* X) o, L; E/ m+ Z4 n}. w3 Y6 R, a' M. o0 r% o# t1 ]
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
5 r6 {0 o1 o- m) ~6 Kstrcpy(ip,inet_ntoa(in));
+ q7 X# u- Q: BWSACleanup();. G; _& V1 `3 ? i$ [
return in.s_addr;
& F/ r0 B1 z, o3 y}+ {% H' i |% I, ~) ]! Y9 E0 A3 G: `
*/
8 {: a- z, A2 a2 G+ ~6 T//; V% D2 Q1 O- y7 Z1 B
//: b( H' K" B0 x, M! Z7 K% P. d
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程! Q0 |2 v; K, t. c" b+ N5 n
LPSOCKINFO psockinfo;
& }! S3 G' o2 n. c! GSOCKET sourcesock,destsock;' H" c* _. p5 |" E4 X: Q/ ~& y5 ~* }% {8 y
char data[MAXDATALEN];
/ P: X& u6 U) e3 J+ ilong eventid;
7 P- z3 q a$ f) ^int datalen;
% v' K7 g- ]# H; Z! |4 W* G- Jpsockinfo=(LPSOCKINFO)info;
3 M& T* E3 k( Z& ]/ o8 k1 ^+ Esourcesock=psockinfo->sourcesock;# x8 f! |. V1 K2 g
destsock=psockinfo->destsock;
' m7 n$ S8 t' C5 `7 VTRACE("deail recive thread ok!\r\n");
: W! N. x0 c* L& W! \$ ?- Xwhile(true){
3 U2 C! g3 O" |# m! o. q: _eventid=GetSocketEventId(sourcesock);' N7 Q# o) f: ?; O5 G) i* m' I
switch(eventid){
2 |+ N/ R* ?. K4 T; Acase FD_CLOSE:
2 Z7 D! Y1 c; F* j, |TRACE("s fdclosed\r\n");; G- H! X7 B9 l8 V8 ?1 y0 [# ~* O
closesocket(destsock);
; ]! s6 C8 Z! xreturn 1;
7 ~$ d0 T" p. G1 }: P* D! kbreak;
# N; L; [) h# a2 K; B- P1 f3 Kdefault:break;( h. ?/ e6 F- r' P
}4 ^! s7 \! u& \5 ?9 m0 f/ J% N) d4 p
eventid=GetSocketEventId(destsock);" I; Q" U# f' d6 O" m z. {
switch(eventid){ P; t8 {$ C1 C' h" l
case FD_CLOSE:
, V0 q6 T. F& n7 {1 C/ mclosesocket(sourcesock);
4 I0 c1 {3 G T/ S+ G) \TRACE("d fdclosed\r\n");% y# h( F6 t4 C O2 c& V
return 1;9 Q- F6 Y) q- A
break;! w+ I' k3 w8 B) o9 p
default:break;3 D& T! }" p" @4 r# {/ K
}
0 d5 G( R1 |! J8 N5 x3 B+ rdatalen=recv(sourcesock,data,sizeof(data),0);5 p# ^5 R; v4 n6 L2 L7 w, ]9 J" t0 @! n
if(datalen==0){
. O! R: S5 l1 A' _+ b& n' V4 Cclosesocket(sourcesock);
0 O- _6 B5 ^4 zclosesocket(destsock);+ ^$ m' W/ l( c5 @
TRACE("s fdclosed\r\n");& G- D% s8 |! Q
break;* y% s! l8 S& f; `
}
) T: e1 d- q9 d. c& W7 @+ cif(datalen>0){
# Z# v6 K/ L3 V. J$ E+ bwhile(!send(destsock,data,datalen,0));
1 @. t% |& `# L& `4 N}% {( D( L. U! Q3 ^0 ?1 a
Sleep(1);- V" s2 _: q9 k
}
5 g/ M) e, o; c4 _0 w% Hreturn 1;
0 Q& {' b( ?7 t( w% U* \6 i0 M}
3 n" l5 d8 ~ Z7 ^0 R' j M1 ~4 k//
9 G: y4 C) n! B T. a8 u; OUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程
; Q, w" W0 f. n- [4 Z" a* ULPSOCKINFO psockinfo;( q8 I) U6 w* ^7 ^* i/ r
SOCKET sourcesock,destsock;
|- \9 u1 C( W( [9 j8 {char data[MAXDATALEN];
7 M/ O# K4 S9 l/ along eventid;+ E7 K3 N# [6 U$ t
int datalen;
/ k | b- `3 W( M6 s2 y, t$ vpsockinfo=(LPSOCKINFO)info;
1 ^' v: v- k# N! O1 F+ nsourcesock=psockinfo->sourcesock;, O0 W/ y: p% w( O( v5 ?
destsock=psockinfo->destsock;
6 T. p0 G. g, @' g; Z* XTRACE("deail send thread ok!\r\n");
1 J1 x9 E2 A; z9 a% U: z& J$ `while(true){( n6 G, z* V- Q+ b
eventid=GetSocketEventId(sourcesock);
" ^) `! P$ O! W O6 ?: }switch(eventid){) j6 Y1 P# K$ d9 `- w
case FD_CLOSE:
8 Y4 I: g9 }4 m8 V# {3 A- I/ HTRACE("s fdclosed\r\n");
! p9 Z5 @: o4 Kclosesocket(destsock);
( j; @' m& k. L# X \' ?6 b7 L8 Preturn 1;
; E. G4 p9 f. x6 R2 Ubreak;- [6 M3 [0 [7 }7 L
default:break;% R: x0 G( i R- n- x5 n G( D( S7 L
}" N i# R+ z3 j0 w+ \+ Z
eventid=GetSocketEventId(destsock);' z4 l- t3 [. E' K
switch(eventid){
. ^4 B4 ?. G- K3 xcase FD_CLOSE:
% A2 f( @/ C$ dclosesocket(sourcesock);6 `/ S3 l: {) ]9 K. ^) L
TRACE("d fdclosed\r\n");
8 y4 p. b. T6 nreturn 1;
- H! i, i/ R: U' y' H2 f6 obreak;
. h$ f/ K5 @: ~ G' ^default:break;" g3 z1 o m4 q
}8 D0 q1 q7 @& p: O `
datalen=recv(destsock,data,sizeof(data),0);3 s/ U6 s' m8 j! X
if(datalen==0){1 Y8 N( y) j( T1 I) D
closesocket(sourcesock);, [: L, V; x8 x
closesocket(destsock);- F; ~, R7 o5 X( ]1 ~* ]
TRACE("d fdclosed\r\n");
8 ]2 b9 N- S0 z7 bbreak;
; L' y9 H5 E0 ^" }- D: P' `% ^}
6 y8 Z- i+ I6 c$ N( E$ Zif(datalen>0){
8 i w: Q6 r- q' r' R& Cwhile(!send(sourcesock,data,datalen,0));
' V$ k' T) P: j4 Q}0 P: S9 F1 e4 n! j* _/ p# Q" n6 V7 b' g
Sleep(1);
# e- ]3 \! N6 v6 L1 s}
% O" V; F/ Q, H* @2 {8 |/ |5 ?return 1;$ g. m6 B) Q) O6 ]; F/ `
}' M8 y8 U, g+ H) J9 E* u& ?
//
* |! `; ?% J+ F% B# r//( t( {$ a% W9 ^" \9 Q. P
UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程( G8 |% B: u! V& {
LPCLIENTINFO pclientinfo;
6 ]+ j" Q d' i% b( J5 N0 G4 X. ASOCKET connectsock,clientsock;" L8 _* B( Q5 c" b0 V" R
sockaddr_in remotesock_addr; P1 x6 g6 i5 { t& M! z; U& ?2 T
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];2 k& s: b+ M0 z$ v% x
int datalen,i,index_start,index_end,port;
* T ]! B: i5 t1 U' @, k# jCString HttpString,UrlString,PortString;
( ?+ a- g# P" u) g3 Ppclientinfo=(LPCLIENTINFO)info;' |( Q' A2 s" S7 f# x. |( D, p
clientsock=pclientinfo->clientsock;
! U9 q" i: C3 C) _( p+ @ZeroMemory((void *)data,sizeof(data));1 t- D, Z" ]- R: K R8 ^0 `
datalen=recv(clientsock,data,sizeof(data),0);& y) @% D H9 l) W. C3 W1 w
if(datalen<=0){$ o& z5 ~ V) ?2 ?' \
closesocket(clientsock);
( u7 ]0 D3 z& p: _( P0 K( c% ureturn 0;5 s; ]: M V& H2 h5 o& c
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