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/*=========================================================================
- T7 V5 M! F) y: pFILE:HTTPPROXY.cpp
; P1 V* k9 z( \% w( I+ fHTTP Proxy v1.0! [8 h$ W7 d, s$ n! a5 V& W
powered by shadow 2004/11/149 h5 F7 G, @- v3 d9 g9 u" q/ ]
my web:http://www.codehome.6600.org L) m8 N$ P: G9 e3 Z
QQ:1760173525 |% w$ H ^4 T7 s+ ^7 ` E& g# ~
请先阅读有关http代理协议的相关资料,转载请著明出处- O; S. p B& i
==========================================================================*/
- I, K$ @7 ~# Z4 A" ~; ?$ h0 K #include "stdafx.h". `/ t5 L0 J q- A6 v/ x0 P+ K
#include "HTTPPROXY.h"0 O) N0 {' w! s2 V+ z
#define FD_NOEVENT 0' d% ~3 h4 X2 k' M% z/ @
//
% ?+ i, q# D7 k7 S; K#define BACKUP 100
# v9 U% |7 Q2 \9 H4 H, l3 K#define MAXDATALEN 65535
4 s5 w! g# d [( p* y4 h8 Yint HttpListenPort;
4 k& d! Z! y4 K9 c5 T6 ASOCKET HttpListenSock;' R- _# _5 t( O) D
//% j3 ?0 g) q B
typedef struct _CLIENTINFO{8 s7 ~7 M$ S6 h, ~9 Y
SOCKET clientsock;( |3 Z7 z; p" \6 C3 A6 L
SOCKET udpsock;" Z, z8 R5 q9 J, h& C) r# J# @
sockaddr_in clientsock_addr;
! e' j& o/ k" |9 ~' }' f$ y6 U}CLIENTINFO,*LPCLIENTINFO;1 C0 e' v% E4 ^$ j9 _
CLIENTINFO HttpClientInfo;
0 H) h" G( K% U0 x5 q//+ ]( S, @' [6 Z; ` ~; \
typedef struct _SOCKINFO{4 v+ @0 r# Z P4 T0 x% ]
SOCKET sourcesock;3 R- X8 ]1 Q/ A4 x
SOCKET destsock;
' I3 a6 C3 N ]$ o, i}SOCKINFO,*LPSOCKINFO;, \7 |5 O9 ?/ R" Y) \; k
SOCKINFO httpsockinfo;
/ b6 ?- C- g* Y0 H5 R$ ` q//7 m" a, _! ]( ~
extern long GetSocketEventId(SOCKET remotesock);* T# |: q4 Z( [4 L9 i9 {' E$ q
extern unsigned long GetLocalIp();* Z. J- W+ e B0 ~$ T9 z
extern unsigned long GetDomainIp(char domainname[250]);' j: f. l* P# ?: l8 j; D! S
/*
/ h, B2 @& p6 q1 `long GetSocketEventId(SOCKET remotesock){
- x6 G# s+ W2 i% z2 Ilong EventId;3 i# J% J; J X) ~! z# g6 A
HANDLE hevent;
; Y; R8 e* `* B' @& z" h* Lhevent=CreateEvent(NULL,0,0,0);+ N, L: }/ N1 d/ g7 e- d
WSANETWORKEVENTS socket_events;
7 M3 q: M( c+ F9 ] q0 REventId=FD_NOEVENT;0 `: A' W% c3 b' i7 L. l, R
if(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;
% D! F6 |" l% i& Q0 p8 @WSAEnumNetworkEvents(remotesock,hevent,&socket_events);3 i' |- I! U5 l0 j
if(socket_events.lNetworkEvents!=0){
" d- K5 j% I; h) G) S0 b! N' S* h9 lswitch(socket_events.lNetworkEvents){
7 r! j; s: m* M% ?case FD_ACCEPT:EventId=FD_ACCEPT;break;* |5 L4 z. E2 h8 _2 d) \1 E
case FD_CONNECT:EventId=FD_CONNECT;break;
% E% F" n. Z" Q" ?/ c* m. Tcase FD_READ:EventId=FD_READ;break;6 B2 z+ o! h0 c" z
case FD_WRITE:EventId=FD_WRITE;break;$ Q* L. w; e* a2 g- V' ~
case FD_CLOSE:EventId=FD_CLOSE;break;
8 F: h. Z4 ]' |case FD_OOB:EventId=FD_OOB;break;
) b. P/ `! c1 [) B+ y0 P; Z* Adefault:EventId=FD_NOEVENT;break;( m( v5 n" [7 G. a$ \1 C
}1 O! ]" @; t! R; r
}) q+ h: Y# D6 `5 ]# C/ ]
else EventId=FD_NOEVENT;* j4 g0 |, e `) [) @/ q+ E
return EventId;
2 K/ ]+ F- b: }+ [+ z1 p& [* c}
! N- M7 y' s c6 N9 [//
7 d/ V- k; v |$ D I' g; ounsigned long GetLocalIp()
! G. x/ ~# F7 h$ ?$ q{" b" t4 E4 a$ ~7 K5 O9 ?
char IP[MAX_PATH],*ip;
( k. `% P( ? s3 O. g9 @char pc_name[80];; ?8 [* p% D$ ]! a$ v* S! [
struct in_addr in;
+ X5 R4 O2 x4 I7 c2 J6 wstruct hostent *host;* } w4 t, o0 Q' u6 u0 u
WORD wVersionRequested;
, a2 M1 [% e# d5 MWSADATA wsaData;
6 J8 Z1 ?* o5 J( P8 U* jwVersionRequested=MAKEWORD(2,0);
4 R& {5 E' g: Pip=IP;
' t; H/ O6 r% V) O- f2 xstrcpy(ip,"Ip not get!");
/ m5 q# y4 v( k, T6 [if(WSAStartup(wVersionRequested,&wsaData)) return 0;. {$ B, {2 P. g6 }4 h9 _" A% d, u
if(gethostname(pc_name,80)==SOCKET_ERROR){
* g! j" l7 J' ^7 V4 A, VWSACleanup();
* o0 S0 e, L4 y3 ?/ S5 s$ Freturn 0;
' F+ O) ^+ ?% _7 z, Y) b% \: [}( E7 E9 F2 G% X) f- Y, W4 a
if(!(host=gethostbyname(pc_name))){
6 l3 M/ Z' m, E; aWSACleanup();
4 Z. `$ E4 E N8 \/ nreturn 0;
9 v* B8 I4 c' [7 R8 M" y}. ~) i% Y3 S* X" b
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
) @- f y/ \, M/ Rstrcpy(ip,inet_ntoa(in));9 y8 D% t0 L* `8 \
WSACleanup();6 [: f8 b1 i* Z" y% P+ I, w
return in.s_addr;: @2 `/ O0 T5 }" _: _
}
1 Q; E% o. E' ?0 c J5 s0 R) q* _//
/ e2 R) g o( |: J- F8 eunsigned long GetDomainIp(char domainname[250])0 Q/ X! P8 X% W2 L+ s$ [2 e
{9 v- `4 v" D$ {& M* y
char IP[MAX_PATH],*ip;
$ _5 f; @) U$ m rstruct in_addr in;. _' y9 I0 I' p! ~" T. b Q/ F
struct hostent *host;. M* k7 [8 {6 T+ I+ i& h- W; I( H
WORD wVersionRequested;- W; k! N9 s: X0 B
WSADATA wsaData;
1 k) f2 S; r3 g- e2 RwVersionRequested=MAKEWORD(2,0);
7 J: @+ _" u$ T% l) |ip=IP;
' X0 g; M/ _1 ]: Q& _ c% _- ^strcpy(ip,"Ip not get!");
7 R t1 g( t- G7 U Zif(WSAStartup(wVersionRequested,&wsaData)) return 0;
; W. U: m! V6 v# e& L) sif(!(host=gethostbyname(domainname))){
# b2 f g! F1 _5 y) V- I8 vWSACleanup();
- V3 k# t' R4 ?% q3 E/ t* T% h. treturn 0;
( l2 W7 A/ v# ~$ Q2 T. o}! h9 y5 t. S9 @* Y0 r1 q" }; Y3 a+ G
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
8 ~5 \' ~1 P# M6 q$ h, Xstrcpy(ip,inet_ntoa(in));% C6 N( c7 x( t" c1 X
WSACleanup();
2 H9 q8 m) k+ r6 R! Q3 x/ H( }/ sreturn in.s_addr;# ]3 w g6 Q! f/ p
} [6 s2 E( q. D& @
*/1 U( I6 h4 E' K/ t3 ^( e5 a
//
0 O' k; t" ~* q7 d+ A. K9 d w//
3 t: E' K* r: _, W0 _& h% GUINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程: [7 A# P1 a+ ^4 y0 t5 ?& Z
LPSOCKINFO psockinfo; * H' K: s Z3 e8 ?* P
SOCKET sourcesock,destsock;2 k5 ~' d& H% E$ v* C) d" H7 X% ?
char data[MAXDATALEN];
! M- ]7 |8 `; _7 f( l) ~long eventid;
. ]/ I" Z0 V- {- `) e- h+ xint datalen;
' q& u: @0 W; S- u: Q, ^* fpsockinfo=(LPSOCKINFO)info;$ u' z7 F! q+ p% I' C [
sourcesock=psockinfo->sourcesock;0 _8 u# w2 y: L3 b: ~# Y( O
destsock=psockinfo->destsock;
# `- N( m0 M) w% F L. `% t7 ^TRACE("deail recive thread ok!\r\n");2 v9 ?* W( w W, f3 T
while(true){9 z1 F+ q, l# [7 P0 U. z( i7 J; ]
eventid=GetSocketEventId(sourcesock);/ {2 d; @& Y; ?+ U
switch(eventid){ O- B& ]6 |- a( Z4 [7 @
case FD_CLOSE:
# j5 t8 u2 H. ?5 oTRACE("s fdclosed\r\n");1 M+ _$ E! }0 ?% M
closesocket(destsock);
6 u2 f3 S) A& }" T/ `! I d! r) dreturn 1;
+ Q, L6 g5 k3 }% Q1 {0 cbreak;. Q7 H; P% \1 y1 |) o5 Q
default:break;! \6 I( [: x3 y6 T) o
}
. S/ ~( u E9 B# I- keventid=GetSocketEventId(destsock);: X% C* K& E( i! C# k( c: C
switch(eventid){1 ~; r2 W8 I s' `
case FD_CLOSE:: D& d1 [# c" I+ A& E! L
closesocket(sourcesock);
" n( b7 d( _1 \+ J) M# Q( \. i3 L* qTRACE("d fdclosed\r\n");
$ V& m" Q- `; r0 I' `1 preturn 1;
3 r3 a% r1 [; t, H. a kbreak;) n; j/ Y. A+ {
default:break;
$ z2 t1 j7 G; V; F2 i9 N9 w# H}6 H8 a; a; H" { f
datalen=recv(sourcesock,data,sizeof(data),0);
: b9 F. X4 S2 S( Fif(datalen==0){
3 i, k1 s% D5 C6 O! z! eclosesocket(sourcesock);
. u1 J5 c6 E# h* J* W. F- \closesocket(destsock);: k0 v+ K, C0 s1 T. O
TRACE("s fdclosed\r\n");0 ]! H% W" t8 G: _* M- R b
break;1 ?% @7 s' ~( Y! Y# g* y: K
}
0 L% n$ N! E- p4 T% a4 Uif(datalen>0){: n; e7 L; U1 C- _0 q
while(!send(destsock,data,datalen,0));
% p& W0 N; [5 d; j# A2 l6 S5 M2 c}
" y v5 s1 |+ ^/ L c3 T' S) [Sleep(1);
9 T9 D6 h1 }, V2 H}0 L) M- }) @ Q* S: w
return 1;
' w9 y0 K1 C a" I U}5 `6 c4 v4 w7 N1 X) G8 c3 z8 {' q( [
//
6 b N+ L; \! @4 TUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程7 T3 b0 y$ Q7 K7 a- S/ }; n
LPSOCKINFO psockinfo;; _1 s* ]7 o$ T9 Z4 x
SOCKET sourcesock,destsock;
0 a; D- j- W4 S7 N- o8 O# mchar data[MAXDATALEN];
: G3 i, p" ]9 f2 S; Along eventid;5 h9 o; |7 | i2 X2 l- a: |7 f: b
int datalen;
8 q, N* _5 b. ~8 _2 Cpsockinfo=(LPSOCKINFO)info;) b- q; g3 E8 ~. P: y) L9 E2 p
sourcesock=psockinfo->sourcesock; ~. h9 a5 p% [ ~% e; V
destsock=psockinfo->destsock;
( T7 B* l7 Z- D( cTRACE("deail send thread ok!\r\n");% D1 m7 w+ @7 C- |2 b
while(true){" H7 C. V- {! Z* D; ~5 j
eventid=GetSocketEventId(sourcesock);4 E [; C; c( N. V
switch(eventid){
% Y9 t8 N* E! I1 Ycase FD_CLOSE:
/ I' _2 h" S- n" g, V2 V! |TRACE("s fdclosed\r\n");1 x# O: U* Y, A/ j2 z& ~* R
closesocket(destsock);/ l8 Y& N# u2 R& h/ z( p
return 1;4 a$ [% Z* K# `! N) {
break;+ n X5 T2 v( o% ]& _9 U
default:break;* t" F* g! s$ @8 K" K; o& q& o4 m& ^/ L
}/ p F- g7 U% r0 t8 j
eventid=GetSocketEventId(destsock);6 t# ^% N+ E$ c& K
switch(eventid){9 m$ h. l9 r: T* V8 H$ D
case FD_CLOSE:: a a& h5 [. ]+ [
closesocket(sourcesock);
( \" j2 d" V6 T: g1 X4 I/ k% U' \TRACE("d fdclosed\r\n");* W8 F, l% r3 n. H' D6 R) a" {
return 1; O1 R9 B; J3 K8 }4 _* r$ C, o" a( D9 M
break;/ P- {& ~6 ?2 k; E: U6 S
default:break;- i- O# [% T8 l" {) l" C
}) ^* p0 s0 P, D0 |6 k
datalen=recv(destsock,data,sizeof(data),0);
! C* _4 F; L) O1 @# I! ?7 `' Cif(datalen==0){$ T: q" L) }4 k) N
closesocket(sourcesock);
" R( i3 n- k5 o* m* l* T! Fclosesocket(destsock);' u# l v0 F1 I3 p+ ~; E5 c9 ]
TRACE("d fdclosed\r\n"); r- x4 I/ U0 @: t; J: k
break;) v0 l! x4 P& v9 ]# v
}
j! D9 [+ }+ H& Qif(datalen>0){ `9 U. J% k4 E7 B1 [, L$ _1 i
while(!send(sourcesock,data,datalen,0));
# G6 e( a7 }3 f1 e8 z}
' _, C) A9 Q5 N( c$ t- N8 t T8 t8 o8 LSleep(1);
0 M+ j C! c9 O, w$ `2 Y0 ?- h! X}
7 ?1 a( W4 X; d6 A5 t( nreturn 1;# B( J1 w, ~) E9 ^ D
} u% R ]4 U0 j( \0 c6 p0 M) S. ~
//! P5 R" t* s5 s3 e* Q' s ^ S% Y
//
5 N+ p& G4 ^/ U7 J9 |( n4 L8 l/ VUINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程
: h. S$ a0 h& O9 `& TLPCLIENTINFO pclientinfo;0 X* T8 I$ i# t& k" s8 [+ t
SOCKET connectsock,clientsock;
9 T* v5 l6 S# ~6 }sockaddr_in remotesock_addr;; T1 o. h$ L5 a" z6 Z
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];- z- ~# n! i) e5 C
int datalen,i,index_start,index_end,port;6 R: T) L. N; K' r5 s5 U
CString HttpString,UrlString,PortString; {- P! t2 l6 O
pclientinfo=(LPCLIENTINFO)info;
. e+ A# g7 V) N8 c0 c9 q( G' E( lclientsock=pclientinfo->clientsock;
5 b, t9 t4 @+ ^( m8 i/ _ZeroMemory((void *)data,sizeof(data));
( \- L7 h# r0 O/ B7 M8 Vdatalen=recv(clientsock,data,sizeof(data),0);. o P1 C3 m2 J
if(datalen<=0){
. P2 i# S9 d/ ^5 Z y) }closesocket(clientsock);' `/ o" H$ Z, V' L
return 0;
( I, U3 A" G7 h, \2 w |
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