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/*=========================================================================
0 ~9 H/ Q) k7 N t xFILE:HTTPPROXY.cpp k! y. A" B, }# W: {3 [
HTTP Proxy v1.0& V% I. N$ T4 f9 `, @
powered by shadow 2004/11/14
) m* ?( y, x0 a4 m* L4 P. emy web:http://www.codehome.6600.org% S: d) s! e/ e& h% R
QQ:176017352; G6 S- X c' M! ~ B
请先阅读有关http代理协议的相关资料,转载请著明出处; N: x8 ] l$ l1 u6 R
==========================================================================*/ 1 c( j5 M. O, p) l3 e0 \# ~
#include "stdafx.h"" x" r `* ^3 J3 `
#include "HTTPPROXY.h"0 c! u+ ?+ Y) H5 C" ^ _
#define FD_NOEVENT 0
7 q3 I: T: f/ _; e( B//
5 M. x+ p( W4 R& E: E- t, o7 x1 y#define BACKUP 100" E o! m1 @3 }' _1 `: `: d
#define MAXDATALEN 655350 X$ f$ Z7 @% I, r5 R* t" T3 x) Y
int HttpListenPort;9 E6 K5 w, f, S! p$ N
SOCKET HttpListenSock;' V: s- Q9 K, E' I, o/ c2 v
//
0 \* l. ~6 n' p2 A$ _, Wtypedef struct _CLIENTINFO{
1 L- z; u, q* |; Z8 q8 mSOCKET clientsock;/ r$ b r6 x* ^7 \7 h$ l
SOCKET udpsock;/ n9 P2 Z8 k6 A3 `+ R
sockaddr_in clientsock_addr;
4 l9 d2 \* m, r}CLIENTINFO,*LPCLIENTINFO;/ G# r. _3 j9 M- I
CLIENTINFO HttpClientInfo;
: ~, W% d1 [( B, H' V9 o' y//+ }# W) X' ~6 q4 m4 E& k7 i
typedef struct _SOCKINFO{
$ i7 S j3 H& g# \SOCKET sourcesock;
; ]2 @3 h, ]5 HSOCKET destsock;, i! F# D$ Z9 G1 [) r
}SOCKINFO,*LPSOCKINFO;7 }3 X2 m6 @" V6 h
SOCKINFO httpsockinfo;+ h5 X- r; O) d4 [- O- p( n7 q
//
/ n0 C1 s3 A& t8 H( M# Fextern long GetSocketEventId(SOCKET remotesock);% F& W% B! k5 C: b4 R" k, t1 w2 ~! W
extern unsigned long GetLocalIp();
1 G w4 B6 f' k5 A! Vextern unsigned long GetDomainIp(char domainname[250]);
, k$ b+ i" N1 V* ^8 m/* l) C3 k+ b" l9 k- U1 I1 k) R
long GetSocketEventId(SOCKET remotesock){) N0 A2 x ^4 z" K
long EventId;5 q) C9 w% V$ d3 P
HANDLE hevent;! F$ J/ s- B, Q6 t
hevent=CreateEvent(NULL,0,0,0);1 [& S7 {% u- H* q4 v0 {5 @* R0 x* u' f
WSANETWORKEVENTS socket_events; _) c" D) M3 T& f; E/ P8 U
EventId=FD_NOEVENT;
' i; d; l2 X% r3 p3 a+ x) Z- Nif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;
0 D& x0 T- O4 m/ cWSAEnumNetworkEvents(remotesock,hevent,&socket_events);
M7 J, f7 x1 Gif(socket_events.lNetworkEvents!=0){& w G9 c# @+ y8 D% y* I1 J3 k# ]
switch(socket_events.lNetworkEvents){
' B9 {# A7 R6 o8 Vcase FD_ACCEPT:EventId=FD_ACCEPT;break;
; z- j9 U6 x- b+ zcase FD_CONNECT:EventId=FD_CONNECT;break;, F7 i; u& `4 ^1 A% s# u9 X
case FD_READ:EventId=FD_READ;break;$ d8 [7 q) g+ H" v& K
case FD_WRITE:EventId=FD_WRITE;break;; C4 b# f4 L+ {' }
case FD_CLOSE:EventId=FD_CLOSE;break;6 P Z% ]7 I1 |: j+ K. h
case FD_OOB:EventId=FD_OOB;break;4 P1 n2 U. |6 A2 \
default:EventId=FD_NOEVENT;break;
" p2 k2 [, r- H( G. k# K9 k}9 j {6 g* V8 o2 K- F" R
}1 |7 d q; x) p5 X2 f
else EventId=FD_NOEVENT;+ B% j6 R% w) d1 ], S+ H
return EventId;5 F( U) G1 ~5 C( O
}3 k$ ]! }/ k# [9 s: c$ b! z$ I
/// c* l( ?& ~* u" D
unsigned long GetLocalIp()
8 s @0 C6 N* z% @. b! ^' ^{
. }3 r) u' i! g2 {0 Z7 lchar IP[MAX_PATH],*ip;
1 T- d8 l# r% Cchar pc_name[80];
) O& z5 n( v/ Gstruct in_addr in;7 o9 H. x2 M& q
struct hostent *host;- @+ B6 c: J3 a v
WORD wVersionRequested;
2 f! W( i6 D' c+ DWSADATA wsaData;9 o: _6 I, v, x+ N7 _
wVersionRequested=MAKEWORD(2,0);
, I" y) r, m! o# ?$ M- g6 \" e& Iip=IP;
0 e6 S, Q1 i" M4 H2 }8 tstrcpy(ip,"Ip not get!");2 } w5 [$ r$ i6 T, V# `& W+ H% {
if(WSAStartup(wVersionRequested,&wsaData)) return 0;8 b3 C: k; P5 h5 v# I9 }* l# }
if(gethostname(pc_name,80)==SOCKET_ERROR){
7 `7 o. z' B2 U4 K$ E! C' B jWSACleanup();% _, }. N* e7 u; [2 n9 t3 l
return 0;
- [+ M: N7 V7 X& [1 u}
1 L9 w1 t& X& t3 N8 bif(!(host=gethostbyname(pc_name))){" q6 o8 x; w# e7 z
WSACleanup();/ w$ Y7 z2 W* D. r6 t
return 0;
$ e/ c" Q) k o7 K0 Y% T; R- h2 u}' M9 H- A: ?0 Y& |+ p# J; ?5 l
in.s_addr=*((unsigned long *)host->h_addr_list[0]);1 t' Z7 y- C) w
strcpy(ip,inet_ntoa(in));
: |: ~1 u5 M% Z3 SWSACleanup();
8 o* y0 P, o% \5 q+ creturn in.s_addr;9 ^& i0 E+ Y$ i4 V% B9 m
}
$ Z; n) N) i4 n. {- r//
4 O# u9 G! L+ Aunsigned long GetDomainIp(char domainname[250])
b4 x7 D' G+ b% E( G{
" a- d x/ y% s0 s; G9 bchar IP[MAX_PATH],*ip;& R+ a3 P! K7 ~/ @* `( |, l, d5 A
struct in_addr in;
2 u& P( C& ^6 a# t1 [0 s) F5 `struct hostent *host;
) U9 s" R1 S; ]; }* S! tWORD wVersionRequested;
2 a! |4 |* q, vWSADATA wsaData;( v5 E7 U! s" Y
wVersionRequested=MAKEWORD(2,0);
+ e0 \( _" M% T- Bip=IP;0 u' w+ W+ O% p
strcpy(ip,"Ip not get!");
- d1 U8 f3 V) h7 I3 Lif(WSAStartup(wVersionRequested,&wsaData)) return 0;
( ]: a- P4 b: d; C. S& Kif(!(host=gethostbyname(domainname))){3 a" h( t& _8 w6 @$ G& e; `, @
WSACleanup();; S7 s" ?% _9 B; D
return 0;
) z2 t; x! B+ y, f$ g0 g% O}2 a$ W7 `3 j; u0 v% b' y6 ?2 Q
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
1 V; q! V. u {2 G3 {! v8 jstrcpy(ip,inet_ntoa(in));
, W2 S& j# O" ]4 N+ _WSACleanup();- r: X1 h9 n, @7 \% m( f
return in.s_addr;0 U/ d+ n! {9 N
}
! L8 z1 Z7 X0 B* g) N' j*/
0 y6 p' u$ w B* `+ y8 u//- ]# u% r$ H8 T
//& Y C# d: S- h6 D( A" @
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程 b: f* J/ q" L/ V2 c
LPSOCKINFO psockinfo; " i, f- ^; O" J6 X- n
SOCKET sourcesock,destsock;) V& \2 f+ }8 K) J7 q% A4 z
char data[MAXDATALEN];
q4 S$ s5 O; e. Glong eventid;
$ K/ ?5 I: ]# U8 `2 Q4 zint datalen;8 H8 m; r; V' t0 V
psockinfo=(LPSOCKINFO)info;$ z2 Z, B- A7 V
sourcesock=psockinfo->sourcesock;
5 N6 t0 L. W" ndestsock=psockinfo->destsock;
' h/ g! h7 n! Q: T5 wTRACE("deail recive thread ok!\r\n");$ t1 z. @) j/ N% G" Z" x$ O0 U
while(true){
" h; q, i" k' h2 t& heventid=GetSocketEventId(sourcesock);
2 h* ]; o% B; j( Q* X* P# Cswitch(eventid){+ ^/ q# k. V" ~
case FD_CLOSE:
. }& P0 s9 u- D1 V9 k% w; qTRACE("s fdclosed\r\n");
; }0 ~8 x8 m. H5 pclosesocket(destsock);
. o& |6 @7 Q9 H% Y" E' P N' q6 b8 Treturn 1; s: Y' V8 I- a/ ?0 C# F
break;
7 c7 I8 _9 z- \9 M; adefault:break; ^: o2 q, K. m L4 E1 r+ g
}
0 D5 A8 H' A! F9 f' x' S$ geventid=GetSocketEventId(destsock);, V' ]5 l" k [' ^$ o
switch(eventid){- r+ f# }9 @ ]! _. O6 J8 x, [! [
case FD_CLOSE:
0 o( x n$ i6 H: j$ l' fclosesocket(sourcesock);; {- H0 |) D* m- W
TRACE("d fdclosed\r\n");2 o' ], ]# `. t3 Z
return 1;
! W$ Q) x2 h% a8 ~) ^5 G3 Fbreak;
/ C1 G! N' L( e/ n4 ~4 l3 H" s: r6 h( qdefault:break; `# E6 k& e7 h) l8 S2 [0 M
}
' q, t; e& e2 }: s2 h: qdatalen=recv(sourcesock,data,sizeof(data),0);
1 W' n) B/ l5 V) F6 D9 N' ?if(datalen==0){
. [7 V! b/ g/ }: O& sclosesocket(sourcesock);
0 g) ?2 S6 Y' X- a* yclosesocket(destsock);6 @* g( y9 Y) R( e/ L+ q
TRACE("s fdclosed\r\n");
9 B( l: a( T( q4 ^5 B/ j# mbreak;7 v6 r( @) R" S' N! S
}8 i% x4 h( t/ |* X P7 B2 B3 O
if(datalen>0){! m9 B' a3 j8 p8 e2 q; V6 z
while(!send(destsock,data,datalen,0));
' F1 l! }& ?3 I5 N! N$ k1 i' O4 R}5 [( v4 S, u6 Z0 M( f7 ^# I9 H
Sleep(1);& n& X3 x( H( q; k5 ]- N
}9 z5 x; V8 [0 P/ A
return 1;' Q! e) H( e( p# L* {0 o9 J2 e
}
( E( p" N' {% n* w1 u/ N& I, _//
7 H8 [* u D4 f* f7 I$ j1 s. x- sUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程+ } G- o$ k8 X! s. L: X9 n5 d
LPSOCKINFO psockinfo;
* q' h% @) a- V B. ^, B' |0 A3 sSOCKET sourcesock,destsock;4 o0 a1 s7 H( |, Z' m
char data[MAXDATALEN];
% s, o' l( G9 U8 `. U* W2 u4 ylong eventid;
5 t8 z. v& ~$ `3 {% iint datalen;4 ?: k L( W" O
psockinfo=(LPSOCKINFO)info;
' U+ h- K: x/ E& {2 V1 R- zsourcesock=psockinfo->sourcesock;
8 M E( [) n, \5 y2 odestsock=psockinfo->destsock;9 o( |; Y! Z- E3 u
TRACE("deail send thread ok!\r\n");
* K: h$ C% w) J$ Mwhile(true){
6 E+ o8 E9 c1 L! m; l6 Y2 ?eventid=GetSocketEventId(sourcesock);
3 d; X; s, K" W: [ G( Mswitch(eventid){
# h: |9 q: p2 s4 R+ e- [2 scase FD_CLOSE:. |1 I2 a8 x3 l- v
TRACE("s fdclosed\r\n");) ?- K7 l. m" A- c. P% O
closesocket(destsock);/ f* P0 D* W, v% C; p+ @
return 1;
- i2 L' v' j3 e$ \+ ybreak;, z8 q6 ?! t* [4 i9 F% q
default:break;) c4 Q: Q7 o/ P% S
}
$ q9 O, E+ m; @% A! g' neventid=GetSocketEventId(destsock);
# f8 J* H4 b B0 N% z& H9 e4 hswitch(eventid){9 \% o- C( }+ \. _6 T& G
case FD_CLOSE:
& _0 ?/ m% i Q- ]0 D$ m1 Yclosesocket(sourcesock);
- n u( H7 ?9 ATRACE("d fdclosed\r\n");
- a' M5 B8 l* U; zreturn 1;: R/ J! w/ J. ^4 M- V+ ^% M# L
break;6 \ q5 e4 R& N& J! o7 r
default:break;$ A& G. {+ e- v. \ M6 s( {2 M
}* r @/ }$ e3 u8 U% ?* ~4 s; ]
datalen=recv(destsock,data,sizeof(data),0);5 E& C: h- E6 e. ]5 Y" O$ n
if(datalen==0){% q% y9 V$ b. e
closesocket(sourcesock);
, U/ I9 K0 D+ P7 h- _closesocket(destsock);
( R$ s+ j( |; d' {$ B! t2 b9 dTRACE("d fdclosed\r\n");
* Z; J0 h( G! `% ]1 b/ D$ O9 ?break;
9 ~) O; g( O4 E1 |# L) y" K' [}2 b% M5 Y5 y9 \/ ?! L! p5 T5 W
if(datalen>0){
3 I+ K; b) N* mwhile(!send(sourcesock,data,datalen,0));0 `- l1 ~. N6 u; E0 r1 k
}
/ _. S1 R! ?" `. a% O3 A1 i) dSleep(1);" J8 `/ e1 ?& c. t8 U( H o) n
}
1 ^7 f5 F& R1 I1 f9 Nreturn 1;' Y1 O% [3 D F( }/ H+ b8 l
}- j7 g7 f; I: h8 x# p8 U0 p d
//
/ s# y6 O7 y! U U, N( @' O//
! k; D8 K+ ?6 K QUINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程1 r% @$ g# O; b, y; M0 w
LPCLIENTINFO pclientinfo;1 _% h% t' i8 j
SOCKET connectsock,clientsock;, G# c0 @9 c5 q/ i" h+ Z* `, I
sockaddr_in remotesock_addr;
, z+ P8 b5 k$ f$ w' m" D( e, J) Xchar data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];
5 y/ \! d) g( f, f0 ?int datalen,i,index_start,index_end,port;
9 ^) z% I) O Y Y2 |4 q3 g" JCString HttpString,UrlString,PortString;1 B6 v! N6 |; u& ~8 }( a% `
pclientinfo=(LPCLIENTINFO)info;
1 R, q2 F" b+ Z7 b* N$ ~clientsock=pclientinfo->clientsock;
1 a9 R. ~$ y1 H: h5 W1 Z) XZeroMemory((void *)data,sizeof(data));0 w$ Y: ~* R- l, ]6 V% b
datalen=recv(clientsock,data,sizeof(data),0);1 y% H& g* Y" ]$ D
if(datalen<=0){/ m2 K Y0 B8 E5 ?2 b$ e" p# N
closesocket(clientsock);. D5 H# e5 \1 D* q) b1 F. u" d7 @, K& Q/ ^
return 0;
$ x4 J- g9 @; P7 f1 W: ` |
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