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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:+ _- x1 b- p% r4 H6 v( L& `
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# D1 @) x0 x, b+ K4 Y, i//sock.cpp
5 T, k- w& [ }#include<winsock.h>
5 ?+ ^0 W9 Y) Y5 E#include<windows.h>
* \6 J4 {+ V! u3 s, e! a- W* [) v#include<iostream.h>
0 U5 P- F5 V4 ?% R7 z- e( @#include<stdio.h>
- {% [! u% F3 I
+ O' d; i& A. Y4 }* B9 }WSADATA ss;0 n8 V' m9 i U8 j. P* k
SOCKET a,s[100];
. @% t8 w/ [- w* asockaddr_in s1,s2;6 S( X* f+ O1 p, e9 U1 m, ?2 G
int pos;
" |+ }3 m3 r/ o, ?7 ]5 L- Z% wunsigned long id;+ n+ H8 m% Z& Z* d i- H
HANDLE han[100];4 E4 r% X6 w7 w' F+ X
( x9 Q2 L" x# }* B- x" f9 GDWORD WINAPI thread(
5 n; j9 _- B. ] LPVOID lpParameter // thread data
) B: Q6 R" I- j6 m; w' K1 n4 {; t* P)# S8 k+ Z( u8 P0 D! E
{
5 D! |" U7 h" y int cur = pos;
m: T( J0 ~7 z, m! R2 A% | int sub = 0;
) Y, U5 p" b _- {- f0 t+ L3 ` char rec[20000];1 `4 ^9 x/ u6 D, M2 `2 M7 ~
char host[100];
% \# s K6 g, m7 } char sen[20000];
/ R& I4 A) K( I# t+ g char sen1[20000];2 K# i4 R8 {5 z. T- j
for(int z=0;z<20000;z++), t- B5 v. j$ Q& W2 f" {
{
7 }6 E1 r9 R3 p. M: s8 z: S2 P rec[z]=sen[z]=sen1[z]=0;
+ [& E8 v' N" D; Z0 K host[z]=0;
& ~5 N4 c1 S! z% O% M% C" [ }! h; }8 }) [# `, b
z = 0;" t# C1 h7 z4 E0 D" R
int sz;
# f- p4 p5 X4 c% X3 _; Y4 u' F int pos = 0;, {. A4 |' j- O9 K& b. w! r7 k! P
char d1='A',d2,d3;5 D% J m+ [# @0 w4 y1 [. A
goto mid;' b) Z9 e1 D0 ]# p" e4 S! V1 Y/ v% u
mid:( `; c& y Y0 E/ s- T, H
recv(s[cur],&d1,1,0);
' k" g" G( Q; S) G9 a' w rec[pos] = d1;' E' e6 _* L, J% \* K* L7 |
pos++;
( ~+ w1 [! ]; t8 F+ y1 ], D if(d1=='\n')+ [# L+ Q3 ~' k& I+ f; G- Y+ e
{
9 o7 n. L- l; P3 U/ @ recv(s[cur],&d2,1,0);
, M5 S1 J: x6 G. a2 R! l/ i8 \ recv(s[cur],&d3,1,0);
7 \4 G( B, a% V: D7 S if(d2=='\r' && d3=='\n')
; d( e0 w! V8 f8 L {! x! O! M) a# @* H
rec[pos] = d2;9 Z. O" Z0 O, |1 U( T0 x
pos++;0 [4 w6 R$ f1 w7 y9 p) a# F
rec[pos] = d3;: ~- u9 t# J. E
sz = pos;
; F* O' N% y8 \: `) C rec[pos+1]=NULL;
& ^7 G+ W# y8 i }
' d( @2 s+ H2 t- t# S6 V, B: H else
- q- C* J1 [) b {4 p8 {* K2 w0 ]/ ?3 f- F$ g" k8 y! n
rec[pos] = d2;4 ~+ m# @3 r5 l" V* s, V+ ^& R
pos++;- e1 R$ Z m: ~3 o9 Q
rec[pos] = d3;$ y( U& \) o0 ^+ P9 i
pos++;
( p8 B: D5 h9 w F' [% w5 g/ W. K goto mid;
( {9 a% T( s/ F/ C2 b% e% y }; E5 N6 k" J* X/ d. U/ G+ f
}
$ ?1 j) \$ W" Q, R: i+ m. ] \ else+ L i2 a) j s9 w3 K/ ~( ~$ ?' _4 @ z% n
{
' |+ ^0 g9 e) F# I3 g goto mid;
3 S% Z3 x* t3 c' E' f9 M! P; X }
1 g6 t$ O' H3 T# R. ]7 H: X/ K//sz = recv(s[cur],rec,2000,0);: Y2 k1 Y$ n# e$ P7 R
printf("%s\n",rec);; C% b' y! S/ ?: Y
while(rec[z]!=':')
( s7 L) H# w. e6 B5 Z {7 N$ L8 J1 ~3 u4 I; p, [6 [
z++;
$ y7 R U6 V- v: d% @# ]+ E if(rec[z]==NULL || rec[z]=='\n')/ r6 s& G- V! o6 ?- w' E! K
{
) Y( a% K; D. _! D7 @+ E closesocket(s[cur]);
2 I( H4 T! t/ S+ E. {' j return 0;
3 S: B+ T4 e/ w, w }" K$ Q, |0 S$ f0 T$ G) E# g" G
}
% d' j$ ]& J( j% [3 v z++;
( l& K* I/ a/ ]0 b6 L- _ z++;
8 [, M; }$ R* O6 i( Y& F+ e; e1 [ z++;
" J c0 K G" F: W# E5 Y A int temp = 0;
4 |$ R5 B/ s7 Z1 f9 T while(rec[z]!='/'), r# V4 Q3 W, b4 f: T1 y4 v
{
! Z8 _, O8 Y: s0 M& b2 O host[temp] = rec[z];3 [ h: E2 H$ u( D2 v9 z2 _( |
z++;0 s, P+ |# g \8 K, b
temp++;
( m- j7 h0 ?5 _8 k: u }
+ M1 c. r b4 a+ \* Q. F3 S2 V+ } temp = 0;
J; r F6 v' R6 g, W z=0;
! B6 D- T/ z- @ while(rec[z]!='h')
- P4 A% v: s+ \! Y. B/ J; y0 H {
' {$ e4 e' m" D7 N sen1[temp] = rec[z];( Y `0 h" @1 O) S% I: L; [
z++;
5 Z7 ^5 \+ {/ k) } temp++;) N$ f7 {0 Q1 `, Q# c( G2 M
}- e8 s$ X& |2 t& k. f
z++;
( F; Z: Y- K4 O' Z$ L& A% F while(rec[z]!='/')
* u! S2 g: y/ n" f* W; \ {
) P/ [$ _( o, @* J4 E z++;
$ {8 O6 l* S# D5 \' M& K }# n+ m- _: @! ?/ I: R
z++;5 }6 ^4 }* L* L. C1 \
z++;7 V6 p6 N" u( @8 w0 A
while(rec[z]!='/'); @& O' C( ?; s. h2 T* h( V
{) n% H" w6 ]* f* B* }3 L, \
z++;; d! T+ j6 |0 L# H- I v
}
6 q0 A$ C' |; b v' V! Z* `. ]* K while(rec[z]!=NULL)
+ h: L, m' t2 u& W: v$ Z {1 ?5 I4 \& k8 N, G
sen1[temp] = rec[z];+ U# n* c& ? i; O4 Z9 ]6 e5 a
z++; O, V+ z1 @; j2 A6 K. J
temp++;
3 l; O" K. V' v" k5 q' X1 p: D1 W3 ~ }
4 B2 R+ h$ l& P3 H8 @ PHOSTENT adr = NULL;
3 \) @9 N' ~+ d, q3 A adr = gethostbyname(host);9 o/ l9 p B, f1 S6 i; p
if(adr==NULL)
" o2 l: x8 }' F8 m% H/ k, ~ {
8 G0 V2 d( X- t: [- w0 A3 ^ send(s[cur],"Could not able to resolve host address",48,0);, Z# Z) F' k- J( W+ c3 p
closesocket(s[cur]);
/ J: ]6 m; b% H DWORD ff;
' V) F4 d, E7 Z- e! }$ |$ Q" [* h0 m& I GetExitCodeThread(han[cur],&ff);: F/ v; [5 P6 g7 s% n$ [' L# U
ExitThread(ff);: f9 K& r; J* `" [
}
/ I+ b& t4 t" b8 Q. \) O3 a' s SOCKET ss;
7 p+ ?' y; @: r5 m/ g sockaddr_in dd;
9 c! O+ }$ H( J z: L3 @; z ss = socket(AF_INET,SOCK_STREAM,0);
' U3 u4 J9 H9 P8 B5 b! N% J5 r memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
) u- L+ _ z5 `8 V dd.sin_family = AF_INET;5 Y; F$ P& v! i% Z
dd.sin_port = htons(80);0 |3 \# B. Z, i3 H7 L; I
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
, r& x% h# Y% y4 S2 c {, t# B) l8 K' j/ f% }( [
send(s[cur],"Not able to connect to server",29,0);# h% n7 Y, Q, }1 _
closesocket(s[cur]);
6 M5 z. I' ^# \+ }6 N" n- Z DWORD ff;
- x* H. F) U6 s# `. W: u" c/ y GetExitCodeThread(han[cur],&ff);/ i: b/ b, u! _$ s) ?7 }
ExitThread(ff);
7 C& ~# G4 E* b3 h }
# {: O6 B. r7 p( z5 d# l3 @ send(ss,sen1,sz,0);( T0 k+ g* x$ K/ E r( f+ g, B: ]
sz = recv(ss,rec,2000,0);' M' w: F* d S
while(sz!=0)
; H3 C) H+ {4 D {
. J6 t. I, j7 v4 U/ s- L send(s[cur],rec,sz,0);" t3 g! {) g8 v& | Y' o
sz = recv(ss,rec,2000,0);! K7 U, ?! Z. T! }1 W5 x( t" x
}" p1 \% L9 o0 k
closesocket(ss);: f& o: }2 B; F
closesocket(s[cur]);
6 U: A/ @' [: Q! ~2 `! N3 _/ k( s& S+ G0 h9 b }& q& j L' A, U
DWORD ff;0 O7 H" d9 ^( E; \) c1 P; U0 [5 ~
GetExitCodeThread(han[cur],&ff);! ]0 l4 {* ?4 \# t
ExitThread(ff);
( K |( y" b2 p S; f+ f7 p return 0;
& {. r1 {6 r5 {! `# n' M2 y+ j- S}
9 z+ I4 w5 |5 {( S- j
, Y4 W6 k! c+ S+ R' }% ?$ p, mvoid main()
0 S' V" [; S; j* E0 l{5 J, ]- }% A0 }9 V5 o% k, l# l
WSAStartup(MAKEWORD(1,1),&ss);4 H) G3 B: y4 p8 ~/ r1 J3 f' J
a = socket(AF_INET,SOCK_STREAM,0);
8 X9 a: O/ X* @ s1.sin_addr.s_addr = INADDR_ANY;9 M8 T" F) c }. Q/ c
s1.sin_family = AF_INET;$ H( i) E# o1 `1 m
s1.sin_port = htons(2323);+ E; Z$ d. F" a5 J
# o+ O& a% W' ]# ]4 x
if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
{0 D' u1 ? F# h# x {
8 \9 ?5 h) F" `/ V& s# r cout << WSAGetLastError();( @* N9 [6 W6 M. W* C
}
) H q: Q0 l- m0 t* { if(listen(a,1)==SOCKET_ERROR)5 j- o5 c: T) z
{5 b0 v( ^; ?8 }7 l3 Z" U% \" |
cout << "Error";0 W0 H% v/ A3 L6 {* }
}
( O1 ^; C' a0 q$ X1 v* ], ?# R int sz = sizeof(s2);
4 S0 t9 d; v1 A goto re;
( K. `' S+ p& f$ [' k1 J3 S4 Lre:3 g1 ~% o$ _8 j$ F* i$ c5 W
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
; K: x' K+ b: E: b! } ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
{( `& {7 y$ p% P+ z Sleep(500);
0 X n9 W8 h; |# @: R7 K. L% N if(pos==100)
5 ^! G8 |0 @' @ ], M {
4 ~- Q9 P g C; @) O pos=0;, @/ P; o6 [5 O& N
}
4 @5 L2 D5 b* w* K& e8 l& e else
: D4 Q2 o0 N( | l& C/ B. O1 a( R {
7 @& f, H7 d3 B N& W: w" c# j pos++;
7 |: \1 M0 f: O0 d- ]2 j8 O }
9 O4 u2 Z. C: Igoto re;5 L0 v: A, L* y) G' N5 D2 k
}
0 _7 s6 n. K" L) \* B/ g//======================================= |
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