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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:6 Z7 K2 @2 [# t$ G
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1 E* n* E2 v6 H0 q+ M1 U//sock.cpp2 x/ |: l4 h" t( e& z) o
#include<winsock.h>" f" v" p; S5 T; h1 E& ~
#include<windows.h>: |; k. `+ R2 n0 q
#include<iostream.h>
, }) a& D1 P/ k#include<stdio.h>
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WSADATA ss;
: E7 Q3 k H6 `% J# _SOCKET a,s[100];1 J' c. M% m( K" p7 i* i7 f
sockaddr_in s1,s2;
5 o* y Q8 W0 H( ^# Z/ S Zint pos;
* n, F4 q$ c1 ^; W1 punsigned long id;
$ H8 {& H, r! ZHANDLE han[100];
* \. A* [ Y9 U% m
( D6 v- \( d( h9 }4 I2 tDWORD WINAPI thread(
% X% U1 }9 ]5 `8 I2 j% Z. m LPVOID lpParameter // thread data4 z8 _3 @+ P1 r9 s- ~% r2 B
)
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int cur = pos;+ P' l6 S% m! {' z
int sub = 0;/ }. Y- D. E0 N+ v
char rec[20000];
7 R8 q7 h7 n. Y3 `# F+ O# s char host[100];8 d1 Y8 x1 F7 S2 u
char sen[20000];$ `5 B% A! @( o1 Z, g
char sen1[20000];
6 ^- d v; Q) h9 P. L! Q+ A: a# s for(int z=0;z<20000;z++)# S5 a3 s' c) t/ X0 a6 Y
{$ I' ~; B. g6 x; A
rec[z]=sen[z]=sen1[z]=0;
6 e# Q# C% Z5 U7 u9 L host[z]=0;
6 d+ O6 t0 R) I6 g( N }
6 i9 s% u; \# [, e( E1 m% I c z = 0;) q9 I: f8 h: H7 K7 B
int sz;8 g1 C2 R4 @# H' F
int pos = 0;
7 v: _; ?; _1 N char d1='A',d2,d3;
3 i; {, i1 ^: @9 r goto mid;5 m% X5 P' W ], e- ?3 O- G
mid:
3 u, Z/ Q H# q) _3 K; V recv(s[cur],&d1,1,0);2 Y3 f+ w) r" `6 z, f
rec[pos] = d1;
) u1 w. X8 s4 R. b) ^& b pos++;
. G1 `6 U/ i& {$ Q& O4 Y if(d1=='\n')
1 l3 D) G* f4 ~! p+ P5 f- c3 r {
4 ]" b& Y5 W( P! ~1 e recv(s[cur],&d2,1,0);, R1 k, r6 t4 B6 F. ]. F% U$ d: q
recv(s[cur],&d3,1,0);
) R8 E0 F @4 U if(d2=='\r' && d3=='\n'): F) q, C8 N( w
{
1 z+ p+ i& }/ l5 H/ v9 s rec[pos] = d2;/ q4 v1 ^$ M8 i. n9 Q, Q3 C# w; Y0 o; ~
pos++;
( B9 ]8 w# d: k- u6 b) ^6 w6 k rec[pos] = d3;* _9 \& q+ E9 o0 T7 K, V
sz = pos;+ Y: X- g" ]+ g* ?+ y D
rec[pos+1]=NULL;" @; k1 C$ q( J" S' J
}
5 y4 D: f# q2 k# A( }9 X else
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rec[pos] = d2;3 C+ C( J; J4 d) {/ m8 A
pos++;
8 ^' h- W o7 _6 I* u rec[pos] = d3;
, Y# Y/ @! z1 q) G pos++;
* j9 _7 ~2 L& A1 S0 k T goto mid;9 A' J& U% v: A5 l* N9 b! p
}8 I. Q. `/ D& Y8 \9 m
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else, Q) J( U5 D$ R8 J2 U
{
. x2 H' g2 `/ Q goto mid;6 q0 ^7 C$ m+ h8 v% o% K
}$ g! g0 c: V* l- v; ^& q; y
//sz = recv(s[cur],rec,2000,0);$ G3 K$ |( c4 M0 C5 e! E
printf("%s\n",rec);- z0 |8 Y: }3 W, r5 Z
while(rec[z]!=':')
5 ^7 C+ D Q: [, v# E" B% q {
1 d% j p) x2 B8 ]2 t, s! X, B z++;
- G# b3 H( O: B. y, G# q if(rec[z]==NULL || rec[z]=='\n')
j! B3 |) B& {' l; v7 K {& z# x4 u0 W5 W
closesocket(s[cur]);
+ l& E/ l5 B% _( N return 0;
. d6 \) r3 H$ G/ t. ^ }
; \; n7 u% q! m( s: R* U }/ j$ [: a- s1 k/ F3 }9 A
z++;
! `* j& }4 |5 o0 f4 n7 k. V+ w z++;
9 G, s6 K5 j2 V8 D z++;
% C- C$ s& ^. m; r9 y int temp = 0;
0 N9 a# b, I: V( W$ v. k while(rec[z]!='/')+ E7 `! s. M4 ^' t7 d
{' d, [# H9 X, [4 t5 W* h0 B
host[temp] = rec[z];2 r% l' N9 U5 ~: `
z++;: y( w5 y0 n8 O( d
temp++;
$ o" u4 J/ A) }% A5 Z }
* @: F, B" a) F+ C3 A- h( Z temp = 0;! M V, ^. Y& w! v
z=0;9 T6 B0 p# V& G9 v0 Z' a1 m! v
while(rec[z]!='h')
7 g0 G& y. d3 ~) ]2 a7 n) ? {
+ Z1 M8 X) o5 n* g sen1[temp] = rec[z];' I5 K# D( R9 g# ]+ o O/ I
z++;
% ^& {3 V6 }1 ?% |) y, Z; b1 l% r temp++;
) e# Y! @ a' Z$ n# `4 |, j }: ^6 x: O7 [: N7 d( \
z++;
: E& J& H! ]) ` while(rec[z]!='/')( |9 c0 }2 N5 f R
{
1 i6 ]9 ]! I1 j4 N z++;
: g J4 A. w' O }
# c- y* `) z, m) ?- P# c$ ` z++;9 C- W3 B% r$ L; C, l
z++;
6 `; G/ S1 j# ^. U X" v( W3 W1 | while(rec[z]!='/')
" y, ~" p/ l) l4 D2 f {
7 U0 t* \8 E9 ~7 i3 q$ W) w z++;
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while(rec[z]!=NULL)
- V# ]$ q: {6 Q9 Q8 ~0 q0 h {$ k4 a; N$ H) i+ @1 I& y" i2 e. ^
sen1[temp] = rec[z];
- H- w3 y: M- a2 G( ^' M* R z++;
( ^7 O( I0 g% ~2 K0 ]8 k temp++;& z- v3 y! {$ a+ P, f! ?
}6 y. V, ]. d3 L- P8 K: d, |
PHOSTENT adr = NULL;
0 c5 u* S& }# v( H5 d# B adr = gethostbyname(host);5 y5 [: n, I R7 Y" ]
if(adr==NULL)$ z# F" p7 E+ ?) v% Z I
{
; |2 d( m0 U+ y7 N' n; b: [' [! @% V send(s[cur],"Could not able to resolve host address",48,0);
R/ c J% T; u, K closesocket(s[cur]);' H# R$ i7 ]& T7 N. o% m
DWORD ff;
6 F3 T" _, g A5 u0 ^! K9 } GetExitCodeThread(han[cur],&ff);
0 L6 Z. O+ c9 h, ^6 T/ u ExitThread(ff);) i6 n, X7 V% W+ {
}0 ]; P& U% {$ Q5 n: t% U
SOCKET ss;9 {$ h/ _! z, i8 R! |
sockaddr_in dd; E7 P2 W0 \8 x3 Z( P" k
ss = socket(AF_INET,SOCK_STREAM,0);
, s8 g$ Z* E3 q# ? p memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length); F$ \: ?% ?! e8 R( a3 Q- t
dd.sin_family = AF_INET;
8 ]5 x" i! P" @0 c, a dd.sin_port = htons(80);0 o8 v8 g& c5 x4 b$ t
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)2 U; O6 {6 O$ y- Q2 h) o! v3 U
{4 f" k/ q, L" J
send(s[cur],"Not able to connect to server",29,0);3 h0 y. U2 @2 H, |6 a3 f
closesocket(s[cur]);
. ]- S9 W% f1 C, g0 |7 h' H. [ v DWORD ff;( {8 N# K+ C3 W5 \% g# {5 n
GetExitCodeThread(han[cur],&ff);( {1 e {3 Q7 b: I4 E
ExitThread(ff);
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send(ss,sen1,sz,0);
; d( h* X) `; t3 x sz = recv(ss,rec,2000,0);: n( q$ T( n+ c z" L
while(sz!=0)
* a2 b! W2 B# W2 [. X {
/ ^" }8 C$ S; d# V. C! j send(s[cur],rec,sz,0);# X' p) S2 Y" m" f
sz = recv(ss,rec,2000,0);
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closesocket(ss);
( u7 G6 `% v" ]& w3 C5 c closesocket(s[cur]);9 _7 z! f3 \! K z
! `9 N6 { Y# t
DWORD ff;; n, s" t; M& H6 q" s# C) ~
GetExitCodeThread(han[cur],&ff);
) |, ^+ O, @; I3 I2 ~ ExitThread(ff);- n/ f& q$ j1 h- T) {& Y a. c9 g/ _7 |
return 0;
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, |% Z* j" r$ K. t- X3 q) \5 q8 g/ q) \# W
void main()
6 V+ A1 L) a3 A* z# c( u8 [: ~{& f% c0 A+ W6 | }" ]4 `* Q, q
WSAStartup(MAKEWORD(1,1),&ss);
' Y0 a7 k5 A. A& \ a = socket(AF_INET,SOCK_STREAM,0);( R& \; T$ n9 l; D/ |5 e
s1.sin_addr.s_addr = INADDR_ANY;; J4 @+ Y" ^* @2 W9 \
s1.sin_family = AF_INET;0 |) _) w0 F( [) m" I# x
s1.sin_port = htons(2323);$ Y5 f; `& Q. S0 m1 |' `( _+ ^, C0 @
7 n7 I9 i+ ?( z6 M4 `0 z if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
$ L& F. Y( f0 C$ t- q {
0 T) j, L4 c; x$ D9 q, P" H* c cout << WSAGetLastError();$ G5 v6 u/ Y0 Q1 P' p0 ]
}
; i4 X/ O% f" ?7 ? a- Y! ^ if(listen(a,1)==SOCKET_ERROR)! D8 i3 s: m' t7 V4 i; J
{
/ v( |2 Q, N! R+ z$ H2 c; a# q9 P cout << "Error";1 n/ T3 K% B) L1 }
}
+ a- J3 V, |$ h H int sz = sizeof(s2);. t* o5 }7 a5 L5 K
goto re;
! A f6 D( \/ Y7 Y1 [7 K4 {; Hre:
' I, H I' U4 i" v6 V. ^ s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);2 K) b" j6 t+ z( g5 @+ a
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
" f! _8 k7 L) R0 A, y" [' n( Z- c Sleep(500);
+ n- S' U `- s; j4 ]1 E* [ if(pos==100)
% V' m$ s3 @6 k' ]. f {
0 `9 G( y+ }6 M pos=0;3 V' m2 G# v l2 M" J
}! N- z7 K& b& d% Y2 ^4 _2 U; n" G
else
" E! n A9 M; K6 O {
' N/ S h l& ~" M pos++;
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goto re;' o0 ]) S- D( S4 }
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