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/*=========================================================================6 V! N6 J( @* y5 T& c5 O/ F; Z+ K
FILE:HTTPPROXY.cpp" k& y6 F; A* N4 R( x6 N/ T# O' B0 |
HTTP Proxy v1.0
: E* C3 j: f3 l5 E4 r) Dpowered by shadow 2004/11/14
& v. B0 t/ X! D( t5 [3 Emy web:http://www.codehome.6600.org- _7 r( y+ N$ u. v- _
QQ:176017352
) |, V3 |+ D M请先阅读有关http代理协议的相关资料,转载请著明出处8 }2 t- N2 m0 \0 C4 Z# F
==========================================================================*/
[. [: l+ f" _* X3 E2 j3 F* O #include "stdafx.h"% L0 T5 H8 T% F0 I5 Y! m
#include "HTTPPROXY.h"
2 \9 X$ `4 ?, c0 z& f. a" @ ^, X#define FD_NOEVENT 0
' H* K0 N2 f. E// i7 H1 A) T' c4 Y) u
#define BACKUP 100& O3 X' p# ]# a# j1 g9 O- C' t, M
#define MAXDATALEN 65535
/ }% r* L. Y6 ?1 d% q# K9 |int HttpListenPort;% { y/ ?/ K9 l1 l
SOCKET HttpListenSock;* u, j5 [- j @) z {6 H# a
//
% e3 e7 \* o; @2 w9 @typedef struct _CLIENTINFO{! R9 e; ^* L. I* v' Y
SOCKET clientsock;* s o3 A: w5 I/ t! {5 n) H, O
SOCKET udpsock;3 u6 g8 C5 l8 B- U
sockaddr_in clientsock_addr;
8 {% q1 q1 F) q& U}CLIENTINFO,*LPCLIENTINFO;2 J! e0 u, W7 j8 l
CLIENTINFO HttpClientInfo;
9 |/ Q# i/ E& E+ V//
9 v; ^* z s& ^8 m. Wtypedef struct _SOCKINFO{. P; _& S1 p# U
SOCKET sourcesock;5 _+ }) S- ^, R* ~. r3 z+ _
SOCKET destsock;
# J9 m; n P ^}SOCKINFO,*LPSOCKINFO;
% n9 q. y5 w/ J+ ?1 iSOCKINFO httpsockinfo;
. F) {$ s; q7 _% [& N% N//# Y$ [6 G( u1 S4 e, {4 ^" b
extern long GetSocketEventId(SOCKET remotesock);
4 e" t9 z: }3 ?" k$ r0 N; h. wextern unsigned long GetLocalIp();
" w: D( f( ~9 u0 L8 Zextern unsigned long GetDomainIp(char domainname[250]);3 S6 i0 q% h- E K1 w
/*- O" d3 T1 `: N1 C! g
long GetSocketEventId(SOCKET remotesock){) c; a+ L# S2 m0 ~1 j4 n9 T
long EventId;8 Q- m6 w/ Q4 i: N1 T0 h
HANDLE hevent;
0 }5 G. U- K( f5 G$ O |2 ^& Dhevent=CreateEvent(NULL,0,0,0);
* G: w |6 q5 ?" u/ GWSANETWORKEVENTS socket_events;9 |2 |% G- }' o. b0 Y
EventId=FD_NOEVENT;
9 w9 W1 K M1 [6 r2 O+ Yif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;' P! q. J) \" k
WSAEnumNetworkEvents(remotesock,hevent,&socket_events);
/ v4 K. f! N2 M! ^if(socket_events.lNetworkEvents!=0){- E7 ]0 h& j) h
switch(socket_events.lNetworkEvents){
! L# F% I% \8 f* p% Rcase FD_ACCEPT:EventId=FD_ACCEPT;break;" f7 ^# L4 P( L! k9 Y- T& L& P$ e" v; x
case FD_CONNECT:EventId=FD_CONNECT;break;
" J$ f, u2 L5 x2 T4 Gcase FD_READ:EventId=FD_READ;break;# ~( m+ T: ?! v2 s$ h0 p3 Q
case FD_WRITE:EventId=FD_WRITE;break;: X+ v- Y7 Y' ? t4 v3 O
case FD_CLOSE:EventId=FD_CLOSE;break;! ~: g: _' J% V( k4 K7 \
case FD_OOB:EventId=FD_OOB;break;- |0 _6 F& T7 V& v# O
default:EventId=FD_NOEVENT;break;, ?& u' P# ] w7 ]
}
2 } K5 g5 }# G+ Q4 X9 @5 [}
7 g6 p) I& \9 A$ }' s0 Qelse EventId=FD_NOEVENT;# G, A1 F- M8 y6 Z- i
return EventId;
4 `# t. ^' X1 _# }}
1 J& S7 T8 C3 Z//7 y! v# x+ c ~# p( M
unsigned long GetLocalIp()
^7 [1 K/ U. V% K{
5 h' q" p: ]9 K uchar IP[MAX_PATH],*ip;6 C+ k+ ^7 k1 k" g
char pc_name[80];& P% e @% Y T% K
struct in_addr in;6 S: m7 V$ I3 }3 N/ ~' ~3 c; b' X
struct hostent *host;* W$ ~7 z* z( z/ x' V0 y% o
WORD wVersionRequested;
1 R+ Y' k- a7 K3 e3 bWSADATA wsaData;, A& e4 Z; F3 n( [4 j$ P
wVersionRequested=MAKEWORD(2,0);# Q* H: `2 c8 @# l) h( e
ip=IP;
# \! X0 G3 r: A+ n' Xstrcpy(ip,"Ip not get!");
0 u) s8 s( n4 ] B3 i9 R. ^if(WSAStartup(wVersionRequested,&wsaData)) return 0;
) \5 l0 ~; X, N2 J8 D$ j5 ]6 e6 qif(gethostname(pc_name,80)==SOCKET_ERROR){
! C8 h2 C2 H9 ~$ \WSACleanup();
/ u$ m* D7 S$ P- yreturn 0;0 @. Q6 i7 g y8 v7 J- k
}
1 n0 C7 I* |/ h& d- M7 k1 l5 |if(!(host=gethostbyname(pc_name))){' ^5 c& h( k) s5 ^0 @* A
WSACleanup();
9 W8 @3 Y! @2 ]; hreturn 0;1 w3 D7 z& G4 Y- u: {
}
- f( F0 F3 H8 A& G5 u( Cin.s_addr=*((unsigned long *)host->h_addr_list[0]);
6 ^: ]% ^5 T6 G+ X, V5 T1 d4 _strcpy(ip,inet_ntoa(in));: P! s- K& X; U- O+ a: M/ R
WSACleanup();, C' {& V. _: s
return in.s_addr;
: U! }8 p8 E. W3 W: U G2 N* s}, b* F0 A- |: C) ~( \- u/ [
// x5 O! S6 }/ T' d+ l5 U
unsigned long GetDomainIp(char domainname[250])
. e8 d1 g) B- W5 h- Q{; w" ]! M$ e' L. j
char IP[MAX_PATH],*ip;
. |4 m, y ~/ k. Qstruct in_addr in;
& z7 q4 N; B7 p) e6 bstruct hostent *host;! ^" k- M0 E' f- o5 d- j$ S, N
WORD wVersionRequested;' t. M* _. x. e& r* g: k6 f
WSADATA wsaData;
3 \2 S* J. s" zwVersionRequested=MAKEWORD(2,0);; Q8 x2 F* _' M& Y+ p) T# F0 R
ip=IP;! |2 [! a. C2 C# u
strcpy(ip,"Ip not get!");. Y/ t9 t9 [* T
if(WSAStartup(wVersionRequested,&wsaData)) return 0;
3 L4 D. e& Y) a& ]; b+ i3 Y1 Nif(!(host=gethostbyname(domainname))){. F, L" \- r- d- b5 ~" X
WSACleanup();) l* J, V9 C7 O; \* d
return 0;
& y6 U; c% r5 U8 W! V5 D}) S+ e3 Q( W$ w& T4 a, {5 I: {/ a
in.s_addr=*((unsigned long *)host->h_addr_list[0]);
) x! b1 W1 `( l! Z' Qstrcpy(ip,inet_ntoa(in));& f, c- [' {2 D: e6 R; x+ p4 a8 e
WSACleanup();
1 k9 F& Z1 h! wreturn in.s_addr;# ?; X9 M' E# E, t% r6 g+ f
}
4 h% b1 r# C$ o8 d+ b! j*/
' \! f t3 x/ U: _; f( d- D//
# `9 s) l/ z! Z. \% n. Y//. a5 E$ i. y# z1 ]. ]! E' n1 d
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程
( I6 c% z7 J: l# ?2 h! I* E' BLPSOCKINFO psockinfo; * w) n: ^5 }3 Q! Z
SOCKET sourcesock,destsock;4 |( w- {/ d8 E/ E- \" }+ [' f
char data[MAXDATALEN]; c" F9 ?/ k# b, Z$ y$ e
long eventid; j: [' ?2 u- n& P+ A
int datalen;$ `: y1 B: R5 A, h- v' v, ~
psockinfo=(LPSOCKINFO)info;
& [# x) ?. c9 Y1 j5 d$ H5 |) vsourcesock=psockinfo->sourcesock;
. R# J- v9 Q B4 U8 Udestsock=psockinfo->destsock;
" ?$ W# K) ~9 x" mTRACE("deail recive thread ok!\r\n"); H% _$ f1 V& L
while(true){0 x0 ?, r2 e: a3 y& O0 O
eventid=GetSocketEventId(sourcesock);0 H- o1 [6 J% C! [4 a; n) C, s
switch(eventid){6 l/ k }* X3 m, `( v8 ^6 C
case FD_CLOSE:$ |3 A6 z& u4 y$ j8 m; A& |1 m+ G
TRACE("s fdclosed\r\n");4 Y, R0 p; R+ t5 E
closesocket(destsock);
# \1 {0 x/ }4 G( yreturn 1;# Q6 g0 y. Q( S
break;
1 @/ |1 q: d7 W/ V6 b J" s" P2 adefault:break;
4 D4 ?3 x' d6 M7 J9 P}
! S& Z. R6 U# ^eventid=GetSocketEventId(destsock);% I5 f( N! ^9 X' H, g
switch(eventid){2 q( w- y* S: @% a
case FD_CLOSE:% C* x1 W% _- {, R7 d+ g( a
closesocket(sourcesock);! e3 i) D. _; u0 @
TRACE("d fdclosed\r\n");
* |- B- B4 }5 d Greturn 1;# v6 q' O3 h' r9 h& d/ \2 t1 ^# t
break;$ Z( A/ {1 ?) l: L
default:break;
3 p/ I% K0 g0 m& T( p! u' P}! n3 d/ a# D/ O, ^! P8 J
datalen=recv(sourcesock,data,sizeof(data),0);+ U; B' C/ C% a( ]' j
if(datalen==0){2 l1 g' j8 }4 k, l2 [
closesocket(sourcesock); t- ?4 |3 F/ F3 k
closesocket(destsock);* T: B) l6 u: f! z3 P& _
TRACE("s fdclosed\r\n");
9 L- H! K; m" ubreak;. t- M, y- q/ F
}
4 }3 N1 r- |) j m( E- M% x6 Aif(datalen>0){
: ^/ w2 W) N I3 m- K2 L2 Uwhile(!send(destsock,data,datalen,0));* c3 |/ r8 e" |
}- O4 O" {5 o# Z5 p, L
Sleep(1);4 |5 i u3 L3 F; n: H# ]4 |
}
- w5 ]5 u4 }- z9 A' C' f) ?return 1;3 [1 B' I5 a* I% `
}+ A3 A' V: O- m
//3 K$ L$ X" b, S* `. T; n
UINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程
5 X9 q7 T+ E, [LPSOCKINFO psockinfo;6 K- J/ o6 U3 ~
SOCKET sourcesock,destsock; t' \1 X1 V5 M7 W- H# O1 i& E4 J
char data[MAXDATALEN];- z( v+ z3 C. ^, r: s
long eventid;
# G: {' u+ y" P. g8 z6 Tint datalen;
( X& ~( X) E8 O" z) Y, z5 Vpsockinfo=(LPSOCKINFO)info;
/ W% Q c0 x2 _3 B. Dsourcesock=psockinfo->sourcesock;
: h% Z, z" t/ tdestsock=psockinfo->destsock;
' ]5 U! ]3 J) ~3 `6 e$ v5 X# C+ kTRACE("deail send thread ok!\r\n");
6 ?+ j9 F$ k- s' S1 Iwhile(true){: Y! ?# r- `1 _1 U
eventid=GetSocketEventId(sourcesock);
" m, V3 t5 T0 p0 @( }) ]( Bswitch(eventid){
6 |* D% W( W7 r& qcase FD_CLOSE:
1 P: s! h+ j2 S4 O4 V W, _5 DTRACE("s fdclosed\r\n");
* h; |" f1 k& gclosesocket(destsock);. k9 I) @# ^5 W! R
return 1;5 V n" h# W, ]1 ^* y- h! D V
break;
5 a0 C* z% g) Kdefault:break;) Q/ x! M" P- U( i7 E1 `, L
}
5 H- H- F) x2 C! r. Seventid=GetSocketEventId(destsock); V/ v( E+ k3 [9 q @
switch(eventid){
0 n- `" y! d, N5 y6 |$ m$ v0 ycase FD_CLOSE:6 s5 E, o4 i& Y; A0 O- f
closesocket(sourcesock);* X6 b5 Z- ~/ B7 [# @
TRACE("d fdclosed\r\n");
) w* n: R7 F5 a3 Z& {' i' qreturn 1;2 T1 Z- r9 a- ]. D; d5 x% f4 O
break;
9 C3 n, c+ |$ }+ j. a, v/ wdefault:break;
/ Z. k9 }; A/ f' _( A}
% N y. e, W, @( H2 i9 }. Z1 adatalen=recv(destsock,data,sizeof(data),0);
3 p& e N7 s8 L, s0 Oif(datalen==0){! d5 a) x( Q6 d9 u" r: ~" G
closesocket(sourcesock);0 N5 o0 E5 I, k' B4 i0 }
closesocket(destsock);) C8 u$ ^) g& \8 F2 s
TRACE("d fdclosed\r\n");
. H1 I3 W3 |' @, X# e5 }- Abreak;
5 b' \4 h q' d n3 @0 w. m}
. g9 H/ Q; n' T1 w: v% Wif(datalen>0){# p. f, v; Q* C% }. C; H' _2 s; u9 @
while(!send(sourcesock,data,datalen,0)); [ ?/ ]' q+ K0 o
}
" M( }5 J$ U2 |0 m3 cSleep(1);4 `3 @; B+ g) `4 x" G2 V8 U
}
4 S$ ]4 x p) Kreturn 1;
3 E; ?7 Q% V2 N9 Y) ]- e% O. e}: f* j. |( \, p+ m) @
//: T* q# [& }5 F% t/ m8 m/ y
//$ n, F0 n5 @, Z+ F8 d1 _
UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程
/ N- [5 _* n1 gLPCLIENTINFO pclientinfo;( q0 `) I* T4 f- w. x; X
SOCKET connectsock,clientsock;
! @0 `( H: ]& p4 g, S; Jsockaddr_in remotesock_addr;4 b6 ^# h+ d& C, w8 e
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];! X- I+ h# d4 `& `( J9 a; }4 j
int datalen,i,index_start,index_end,port;6 \( w. J. `) g3 J6 }' M
CString HttpString,UrlString,PortString;
L8 w$ S) [! y6 ?8 Spclientinfo=(LPCLIENTINFO)info;5 c& o& O8 Q9 u* q
clientsock=pclientinfo->clientsock;+ {/ \8 r: a5 R2 @! ~
ZeroMemory((void *)data,sizeof(data));/ \% l8 E% v- U; X2 N8 Y$ n9 X: L
datalen=recv(clientsock,data,sizeof(data),0);
% W, m. L/ Q' Z M( U+ Lif(datalen<=0){
: X0 i( D. u4 C9 R/ L; |2 G! I$ V: t" Oclosesocket(clientsock);
2 J- w/ X) O6 M4 }$ v% breturn 0;& L, l" ]- B6 y4 t k
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