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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:
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9 \- R; A' o3 V3 N- [+ Q//sock.cpp
& |/ g/ G5 h Z9 h! z" {+ F/ t#include<winsock.h>
' q8 L" }& P' ?; b& b#include<windows.h>
& b3 F& {1 z( A& V( ]0 X#include<iostream.h>/ K, T7 @) C) P" J- ]& u9 k
#include<stdio.h>0 A4 A" t( P. u, |. C
6 j7 h7 _0 {& B" a+ b+ Q u
WSADATA ss;1 s7 C9 n; R) g0 s
SOCKET a,s[100];! z1 Z* N) c# T7 {1 v) S* ^
sockaddr_in s1,s2;/ ~0 P+ e0 v" m6 O, y7 l
int pos;
& s C- r% @2 ?( Eunsigned long id;' M8 x& ?. X& B; U' d) d
HANDLE han[100];* ~3 ], }7 d3 D$ U& c$ e0 Z% S8 n
- s3 m- A$ b1 \8 c8 X2 {3 dDWORD WINAPI thread(' s/ W3 W+ W) r1 \8 y# b9 U
LPVOID lpParameter // thread data
% Z1 g7 t/ J1 K$ ~1 b; X5 y& y2 c+ I. C0 n)$ k$ X0 n: T" i
{
# O% n8 p. o' ]3 n/ ]- Z' Y int cur = pos;
2 J1 h! f; j8 u& j2 W G int sub = 0;
# h5 `1 y$ F" P7 Q2 @ M: l" X char rec[20000];' v3 ^: G* h4 c _
char host[100];
) d0 o8 g3 A6 U8 ?. l char sen[20000];
8 P2 \0 {0 F* Q8 F char sen1[20000];
3 Q5 F0 l6 P$ T( `5 t for(int z=0;z<20000;z++)7 p! R1 t, T* U# c' q% [. m p% S
{7 C6 K! {+ e1 Q; w) }
rec[z]=sen[z]=sen1[z]=0;9 [/ y' @$ T* Y$ v9 r2 {/ o
host[z]=0; {( s4 d" n7 ]6 D' w9 T2 _
}
; h! R- e# h* h1 b* b5 X6 P; s4 @ z = 0;
) F7 s# I, e( |0 ]) b int sz;" j! Z" Q$ q M9 t
int pos = 0;
! X" N; ?7 w4 T5 J char d1='A',d2,d3;
5 n4 {& J0 l. ^6 k% {1 ? goto mid;
6 Z) u: t1 {- I! W9 Omid:! {2 Z( i+ l5 c/ ?5 a
recv(s[cur],&d1,1,0);
2 t7 r, X4 x, ]; ]8 e rec[pos] = d1;
, }- p t1 k6 u2 S8 w pos++; q2 k* b7 ?5 R& x; T) J
if(d1=='\n'). O: @( r! h0 q3 `
{7 | h% @( w% V6 o& E, _
recv(s[cur],&d2,1,0);; W+ |$ ^% \, ]
recv(s[cur],&d3,1,0);5 @5 I8 }$ _- d& y) y
if(d2=='\r' && d3=='\n')2 }" o6 S. ^# I: b# M; @- B8 I
{6 l% a4 \1 q }
rec[pos] = d2;
; c7 ]$ G. H r4 }7 m4 x pos++;: f) o" {$ R$ S1 [0 Q8 {* D; H5 w
rec[pos] = d3;$ T6 N, b2 }0 |; M1 F6 f
sz = pos;
9 V" o! v+ G8 j7 N& p rec[pos+1]=NULL;0 }+ _: _) X, E* ^3 w6 F. ^
}8 F" ~. r! H4 @3 g% l5 a* G/ F' {# |
else% J8 B6 M& }' W
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rec[pos] = d2;3 h$ v. b, R& \! K; r3 \9 O( v1 ]' |
pos++;; a. F" U. c2 q m" | c4 [# N% W
rec[pos] = d3;
6 }0 A6 l& o! l0 @( I) I! ?" F pos++;
* r9 E% K, F7 s1 c goto mid;& [; U4 c3 k6 Q5 c
}5 d: ]) H4 `6 |/ j; I' a+ n6 J% U8 ^
}
% v+ x' U3 u' l2 C else3 f- H/ R5 Q- u% D
{
1 t7 O8 b$ S; p# T! a goto mid;
) A& _) u B+ g s) v* [1 U- ?* x }
& K4 m7 h8 h# C- t6 z" g$ h' L//sz = recv(s[cur],rec,2000,0);8 g; `2 C# F2 I. H9 p
printf("%s\n",rec);
6 Y! Z( Y3 ]0 A( r; l while(rec[z]!=':')
" R7 z# z/ F! h% F0 x* V {
3 F3 H; Z, _0 Y+ j5 K; x z++;
# g5 @; D9 E( d1 V6 p+ e if(rec[z]==NULL || rec[z]=='\n')
3 L' Y! Y9 G6 |) J: w! Z$ W {
e- s8 z: v$ [) r closesocket(s[cur]);( C' g6 w4 l0 Y4 `
return 0;
* e( B8 |' p1 s- ?/ p }, V: e2 G5 g! S+ k
}7 r6 s/ R/ J; P1 I9 Y
z++;
" k2 _& A" j, ?' X3 v/ W, W% C z++;
1 {) |: a, z) e1 d; a9 J z++;
8 W# O" ^$ Q" S9 x" E m* R int temp = 0;' r# b8 L: Y6 S- `% N+ P5 M
while(rec[z]!='/'); H; D8 R. V6 ^
{7 c7 x$ D7 W% X" ^" W9 E
host[temp] = rec[z];) g9 n- C1 h2 |0 l8 [
z++;
" l# [" w! R0 L5 ^" G temp++;, l3 U* K- M$ g$ K
}% ? O1 }$ z; l
temp = 0;
2 H8 s; ^1 ~4 f. \ z=0;# a# c3 R7 u( G
while(rec[z]!='h')
1 m8 V3 m7 }0 U {( C% y3 z+ s; o1 _( ~6 k
sen1[temp] = rec[z];# _. s; |/ f ~ u2 s
z++;, Z9 [ U4 f) R8 L
temp++;6 w3 y0 y/ A, V G& u
}
$ A/ F* h/ R0 \( x: P2 N z++;0 D/ {' {* [! J" V. L e
while(rec[z]!='/')
7 U7 c2 G# x4 h5 y/ G {4 ^7 {: g" m5 ^( V* P
z++;
: P6 j" ]( M1 f" c6 v% Q4 h }
0 d3 Z1 n7 M3 @. l) J: R z++;. [) m/ g0 M6 B& T3 B4 ?
z++;
& h9 ^5 ~5 `" Y+ v while(rec[z]!='/')
1 i+ x, o' W K1 F R2 E {
1 a9 q! N* J* w" X# M% s3 T- R z++;* d8 f, h y7 J4 H5 N5 F: b
}0 C, j: ?! m$ |& ]# h& W+ }
while(rec[z]!=NULL)
# I3 u3 U7 R! Z7 k# _. ? {
* O+ Z# P/ L" J: j3 e sen1[temp] = rec[z];
* ~# I+ b! f8 T# C z++;6 ^1 g5 M; d: |3 [7 Y4 Z
temp++;
0 l$ ?9 M- V3 Z }
4 s; d1 w/ w& b" J; T PHOSTENT adr = NULL;# I: m9 t/ t( ]4 t/ \
adr = gethostbyname(host);2 b+ h# b* C7 O: [! p! J1 l
if(adr==NULL)
. B' a. f/ |. r0 Q1 l0 @ {
. N, Y& d; G+ I$ i send(s[cur],"Could not able to resolve host address",48,0);
* `6 u3 @' u! n( l/ X closesocket(s[cur]);
' b! h0 R# [8 t! ^5 f+ N4 I DWORD ff;0 ~. z7 i. y8 W1 [; b
GetExitCodeThread(han[cur],&ff);, D8 z- m+ y, Q
ExitThread(ff);( I; Z, @7 B4 a u, z
}% p# @$ `: L/ U- X3 u7 w# r5 g
SOCKET ss;5 Z1 P- b7 U4 Z6 p5 @
sockaddr_in dd;' t& K1 ^+ F* t+ ]7 F$ H
ss = socket(AF_INET,SOCK_STREAM,0);: d* U/ `3 J0 K( M' P: |9 N
memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);6 p5 s$ D' T8 R" l
dd.sin_family = AF_INET;7 N5 k0 T9 G. W$ _
dd.sin_port = htons(80);8 ^$ R5 y% Z" G6 u
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)' Q4 U' ?5 s! v9 d% Z7 K" B
{
. S e* D, M0 e& [7 I/ q0 X' F send(s[cur],"Not able to connect to server",29,0);
u- w0 I9 T& F/ w( e/ l closesocket(s[cur]);
2 Q" O, J* O: A3 l DWORD ff;0 t: p5 X! ~! H" X% `
GetExitCodeThread(han[cur],&ff);6 f# {" S+ O3 \- q# q5 V
ExitThread(ff);
; K/ S8 c7 f+ P, R% |. d3 L }
$ ~8 O. q; H+ A) W/ {& A y send(ss,sen1,sz,0); `* D( n, n4 A' G2 k
sz = recv(ss,rec,2000,0);
- v2 u+ P$ ~2 P7 S- J while(sz!=0)
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send(s[cur],rec,sz,0);# `$ B% [$ q6 V6 B, H) E9 @; e
sz = recv(ss,rec,2000,0);+ J- A. a5 H! K) i$ ^8 B5 u& q
}- @: _5 E) R/ C0 `# R
closesocket(ss); D! C/ }* `- u" }# u
closesocket(s[cur]);' a9 y1 B1 T) U3 ?
8 i7 c9 h! N I% O- G: k DWORD ff;
6 Z8 s8 `+ O- X# _( g; e5 E GetExitCodeThread(han[cur],&ff);
$ t, ?( v& y( _/ I% F: s1 { ExitThread(ff);; M9 A- u7 j7 Z5 @% F
return 0;7 J# y& s7 G0 t4 D8 `
}" A4 I) T% S4 m' o
- K6 O/ p& X& w: \
void main()7 m( o" E& V& O. Y& ^
{
/ Z1 D; R: D5 o O# s+ p, M7 @ WSAStartup(MAKEWORD(1,1),&ss);. M& Q# U, w0 {% O, Q c
a = socket(AF_INET,SOCK_STREAM,0); Z- T: }) f5 K% l
s1.sin_addr.s_addr = INADDR_ANY;( l' D+ }8 `/ N) p
s1.sin_family = AF_INET;
$ y: W* I0 c, f9 G5 V9 n s1.sin_port = htons(2323);
6 _/ R$ q c0 G5 J: j2 R- Y6 I/ k
! P2 v" b! b) w2 O1 m if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
; J& F; T* Q2 O, ~/ R& j {
* b2 O h9 I# R2 J- R) s cout << WSAGetLastError(); Z# \/ S6 ?- p, m+ F
}/ y4 y* Y3 o( Z5 F' B
if(listen(a,1)==SOCKET_ERROR)
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cout << "Error";3 V N4 i: c; \$ v3 a! A
}0 @6 y; x; o6 f( x( P3 }! x
int sz = sizeof(s2);) i5 I9 N! U) G
goto re;
' H! ?) ~+ t+ t6 l: Y% p- V% ~* rre:# b9 [- K) y w# [7 l- w
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);. u: T" N2 l: K' B/ v# K6 r( |
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);4 w2 _ P. m1 c6 o3 O- G
Sleep(500);
+ q- V2 r, E( ]" p: e if(pos==100)8 D! d4 X# p- _5 n$ M
{: v5 @7 G$ X# ^: p; L/ w8 w
pos=0;' Y$ r! D7 x* k) O- X4 m* T8 V
}
5 n! \9 j$ E" K else
0 b; a8 w4 l2 D4 F: z {3 D& v! l7 n3 g3 `
pos++;
8 a7 ^& h. x4 O- U( n }0 _8 D4 Q3 a8 P& Z) z
goto re;5 w# E& ~8 g; u: h, v+ @
}
" A+ q1 A! z- K, {- q& \//======================================= |
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