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这是一个简单的HTTP 代理VC++源代码你可能参考一下:
$ w( t1 }0 C# L/ {+ o) A# a+ R//======================================) j; w2 [( ` X) t: d) W( n
//sock.cpp9 Z% z( @- O1 P8 c/ a" k
#include<winsock.h>' y9 b- M g2 t0 m8 s7 h: l
#include<windows.h>
+ f8 ]1 ^! Z) ^" e#include<iostream.h>
/ F/ F* o7 |4 S _#include<stdio.h>8 I2 w& r' I) I. K
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WSADATA ss;
9 t! s! i9 l6 s% F+ l$ fSOCKET a,s[100];8 p/ K/ ?& Q. l! F' B1 c
sockaddr_in s1,s2;
3 x2 m& \# c, o2 s/ H' bint pos;) E) h8 t* W* t4 g8 ?
unsigned long id;! l" x9 X' ?" @9 X `) J% ~0 |
HANDLE han[100];
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DWORD WINAPI thread(* e, ?' z7 o' d2 k. |* r8 p5 B
LPVOID lpParameter // thread data
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3 A% V. ], m! X0 W! b V* \ d int cur = pos;* H: O: s. i9 Q6 T4 a) U( B' N
int sub = 0;
: l0 [6 n; e) g: o char rec[20000];
; I( V5 b% n$ V7 {2 P char host[100];
# O+ H" ] _! ]9 s" d3 ?2 L char sen[20000];( e. D# g7 }8 A; f2 I% G
char sen1[20000];
3 h5 j) ` S) j# K8 j7 j* @* D3 S9 [ for(int z=0;z<20000;z++)7 J1 ?, i4 b' i. u# V( m
{
# A$ K& d% K! o! C2 ] rec[z]=sen[z]=sen1[z]=0;" X Z5 _% R5 i. O
host[z]=0;& g9 P2 K- e5 {1 b, I1 B
}
7 q3 g6 o2 G3 [- a# U+ u3 p+ ^ z = 0;3 F0 K: j( T6 u/ {' _
int sz;
4 e8 n5 n9 [# C* ]0 n m' L- d int pos = 0;
2 _4 D. [. E7 s# M. } char d1='A',d2,d3;
. |# u$ S2 m) A. R5 G6 V goto mid;) ]: e5 A! x7 {' H6 i2 q. d
mid:6 L' e* V# ?4 T
recv(s[cur],&d1,1,0);8 k$ D8 i# R& i, D% W8 l
rec[pos] = d1;4 k( h' B& j, I3 X4 j
pos++;0 }- C3 u0 ~+ h; b+ i* v, N: s
if(d1=='\n')' @! S% i; H4 s) s6 T, ~: N: v
{2 a3 B8 F7 C4 a# B% z5 k0 B! @
recv(s[cur],&d2,1,0);7 `, f9 L8 g, C$ x0 k& s) [
recv(s[cur],&d3,1,0);
: b. X7 h* [2 E0 f if(d2=='\r' && d3=='\n')
# L2 q; ]3 \1 @" C. g( [) `" | {# y2 }6 |- A" R. q4 I
rec[pos] = d2;5 a9 }$ u$ }" b j% Y" [# G# r
pos++;$ m- j& T. @0 k& [2 _& l1 {5 g
rec[pos] = d3;
+ Q2 y1 A$ {5 g6 s: {2 Z1 C2 h$ N sz = pos;6 m! ^) V+ M; J r* w* Z& g
rec[pos+1]=NULL;
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else
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rec[pos] = d2;4 x% W) }/ M8 }
pos++;
* p) F2 b: f4 {/ c9 n4 C5 F rec[pos] = d3; u7 C ?6 t( p w
pos++;, G; Z1 ~, W) m, E" ]1 P# w3 i
goto mid;0 j8 q/ S B- f/ P& O, H
}
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goto mid;
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//sz = recv(s[cur],rec,2000,0);9 m& f' i0 y3 }3 A9 M( {; j
printf("%s\n",rec);
5 U* y; `; y9 X$ B7 q while(rec[z]!=':')
; i; s# T" J' x" m% ^* x3 S& K {
E2 Y! y2 B9 h5 o4 H; s z++;
% j8 A8 C0 `, O) V9 N if(rec[z]==NULL || rec[z]=='\n')% M. ~, Z# J& Z. R0 |
{
6 n* i" d4 w. L6 Z9 ?! X/ s7 P closesocket(s[cur]);1 J! O* K# @9 J- \* T/ l v
return 0;8 f- P4 X! e0 r- B" W! x
}
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z++;
; \% w4 O. B L0 b! y$ E) n- Y z++;
' U6 p. P9 n; M: r& U+ u+ s z++;; m9 G; S* S6 t
int temp = 0;
6 `/ j/ D7 A8 L# C" i while(rec[z]!='/')
* f4 \/ x6 X% S* d' y {
4 l7 o3 ~. K# y# i host[temp] = rec[z];# S7 R8 D# f& |0 C
z++;
6 t9 w8 j' C( S# X; { temp++;
) ~$ Z" M7 j9 a8 ]( T: \ }
6 F! A5 t8 z+ s+ p4 ]6 q* q. k temp = 0;1 d6 e, P8 ?+ |! a1 k5 B/ O- }
z=0;
4 v4 m; q3 B' O+ ` while(rec[z]!='h')) X: s1 u3 c9 _$ P
{
0 b+ N$ Q5 d! z$ i' X sen1[temp] = rec[z];! Q. z( K9 o5 o/ y! A
z++;+ p: q! o& _& n( ^) B/ ~
temp++;
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z++;
& A2 i" z& R! _$ v- t7 G$ O while(rec[z]!='/')
4 L0 H) X {+ J, J' j! d: t {
$ X/ k* s/ W/ c+ d z++;
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z++;
2 Q/ y9 ?% C; N7 z* M z++;
" a2 @$ O7 j& x# T: \: V while(rec[z]!='/')
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z++;
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while(rec[z]!=NULL): N+ ~3 ^' ?7 ~! F$ s, }5 O' f
{
* |* S, Z% F1 O% I& ]/ p* S8 `" u8 V+ Q sen1[temp] = rec[z];: d* O* m# Z4 E, M0 d9 g6 ]
z++;
5 m ]6 Q9 V) X/ q) } temp++;% f! o& E7 b2 [: `1 a7 n
}, x& u; g" r1 Z
PHOSTENT adr = NULL;
\1 E0 M# C* D. l8 B4 o adr = gethostbyname(host);% {7 E' ?; U1 j& x0 L, R
if(adr==NULL)
! k" n8 ~$ H/ |/ n: ? {
& D/ C% A% h0 {+ v* } send(s[cur],"Could not able to resolve host address",48,0);
, q9 w6 u7 p: w- S8 p( ]. h closesocket(s[cur]);& y, U! ]) G+ n6 ~ I$ L6 ]
DWORD ff;. V7 g7 d) B* R
GetExitCodeThread(han[cur],&ff);
. k! P# @3 n/ P5 _$ W# ^ ExitThread(ff);
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SOCKET ss;4 H- ]* L( _1 H {6 l
sockaddr_in dd;
% X) r E0 x, t) g$ \" g ss = socket(AF_INET,SOCK_STREAM,0);
: W8 `, V! H0 ]0 Y, n, w5 L memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);$ _7 e* O( s9 W* L
dd.sin_family = AF_INET;% B: ` J0 q9 ^/ W
dd.sin_port = htons(80);, k* l4 u; F5 ?* g
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)0 C6 @2 g5 Q# ?9 n7 _0 n
{
! T, p! {+ ?" P7 K9 m5 F send(s[cur],"Not able to connect to server",29,0);- S2 F. ^( O U- U( `& m4 h9 y& i! l
closesocket(s[cur]);
* R. d8 j# v7 S: A) t DWORD ff;
( n- ], o4 L+ N) z7 M GetExitCodeThread(han[cur],&ff);
, |. k+ q5 }$ t: d ExitThread(ff);" k' I8 _( F7 R% T: S; p5 a
}1 }; {' P, I" K9 T. E+ U; P
send(ss,sen1,sz,0);* X! N; S: B- l+ n: p
sz = recv(ss,rec,2000,0);. Q$ l- \+ G$ j% @( t7 n0 }( f
while(sz!=0)
6 q! C$ h. f8 h |( I5 | {
' [# p0 e5 D* a. H send(s[cur],rec,sz,0);" d; z# ~3 G! x, g& l
sz = recv(ss,rec,2000,0);( s- Q$ p" \* C0 I
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closesocket(ss);3 f2 P9 S! o0 S2 x4 f) j. d
closesocket(s[cur]);+ d, {- q* T( H3 L7 `- w5 G& b' x8 w
: z) y* A- e- s. G DWORD ff;
* j: V# w/ ?# }& W4 v' a) u GetExitCodeThread(han[cur],&ff);7 d5 O- e8 d! R% J9 w% G' C
ExitThread(ff);& G5 e% s$ L( t5 r! ~
return 0;3 f3 m+ y& f& h) k3 O9 J. p3 O: d
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void main()% g. ]( L; K) e* F+ \3 ^& G
{
; N, _0 n) r) ~( p; R# g- m3 e( l* A WSAStartup(MAKEWORD(1,1),&ss);* E: w) x* P9 Z. N
a = socket(AF_INET,SOCK_STREAM,0);
9 m, x) ]* V0 A* j7 B; \ s1.sin_addr.s_addr = INADDR_ANY;$ i; N* \4 t, f, k0 v
s1.sin_family = AF_INET;
+ o9 n1 |+ Z0 N, S4 f* t4 E s1.sin_port = htons(2323);
, e8 c$ R. `/ P9 y
0 e0 ], w2 `5 I6 g# Q2 A6 J* X1 A if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)- E4 H6 E0 |8 D* l2 z" l, a
{
/ v/ M$ h. q! Z% `" U! i; w8 n cout << WSAGetLastError();
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if(listen(a,1)==SOCKET_ERROR)
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cout << "Error";% g% b9 X3 T9 i b0 M% a! K
}
" S/ o. B+ p L! N# @3 l* t5 Y int sz = sizeof(s2);; q& }- W5 e: R# z9 B/ H7 v
goto re; x% X+ V5 P5 h% ]5 W' J1 f
re:
/ a. M) E3 I+ r; B7 E' P s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);6 U% j1 z" G. L3 W# b& H
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);" F4 j# g% f' y7 }$ K3 n+ A" t
Sleep(500);
/ i. Y- N$ R+ P( g. C, V1 l if(pos==100)
# \% \% K) Y8 B# B& F6 ^ {
8 f8 U5 A* d* d z pos=0;
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% L6 e2 ]4 {8 D0 \9 d3 p else
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pos++;
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goto re;0 g% \: r: w- E: \ ~
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