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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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/ j. o3 K N. h# |4 ~, o, |//sock.cpp
9 P% ^# |4 i! ?; L& Y* r9 R8 x" ^#include<winsock.h>/ l; J* Y/ c8 u8 s, j
#include<windows.h>& S/ t$ ^7 @1 v" U! c. z* _, \- ^
#include<iostream.h>1 P6 J" N1 |. u' T1 ?# g- |
#include<stdio.h>
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WSADATA ss;& `* B1 c( d9 ]4 I8 x1 M; A
SOCKET a,s[100];: }. L0 N* w) L/ d- w0 A, U& Q
sockaddr_in s1,s2;5 u% }1 U! h/ _. |+ Q& j
int pos;
8 \3 o' X+ Q+ q6 v3 Aunsigned long id;* r' K7 v7 n0 M; v9 l* Z
HANDLE han[100];
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$ G" N% e. f1 U% V; h: v1 x$ mDWORD WINAPI thread(
' Q. }1 [) t: m: c LPVOID lpParameter // thread data, [ j) o4 s- e; q# g
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int cur = pos;0 }+ c6 D! ~' L+ e7 X
int sub = 0;+ T& j; K3 \' | p* M0 A
char rec[20000];
4 V/ o; X5 S$ w9 o7 T9 E4 L char host[100];
* c& l8 M% X, h D char sen[20000];! }; s% ?1 h2 N. l1 f
char sen1[20000];
. c1 q$ P- F; T for(int z=0;z<20000;z++)& Y( }$ m9 l6 Y" J) l
{
( C; L" C t( h0 M/ n rec[z]=sen[z]=sen1[z]=0;4 R' Z( `0 j* ~/ A. [
host[z]=0;; e; O. w/ A8 \5 q* @+ B
}
L0 I: M, {0 v* ?+ o z = 0;
$ A; I# O' n" w5 q6 C. B- l0 g int sz;8 A r+ [( Z1 n. |, ]
int pos = 0;8 ?2 b1 K9 e2 k' z0 e
char d1='A',d2,d3;" \4 p+ ]2 m z _- n+ H
goto mid;
9 @& l+ j2 K4 r6 x2 d; Bmid:
4 _- I+ K+ n% D: t recv(s[cur],&d1,1,0);
$ d/ P! t1 G4 E; @+ \" h" e9 P rec[pos] = d1;
2 ?0 K/ [! j" T1 T pos++;) i& V. j. j) i
if(d1=='\n')/ w7 e! V6 e- [1 s3 [
{
' d+ x5 P+ @4 i0 t recv(s[cur],&d2,1,0);+ J2 w5 C. A6 Y; l( X2 }
recv(s[cur],&d3,1,0);" Y- a7 P6 h6 i& Z
if(d2=='\r' && d3=='\n')
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rec[pos] = d2;( C4 |! |3 o" Z8 a# ~7 l' U
pos++;
( u- n4 G- C" j, L" g/ ] rec[pos] = d3;% t7 {+ L: ?2 \+ v7 U0 a. }8 k0 A
sz = pos;0 [& y( l. [9 S- l3 M% f5 f
rec[pos+1]=NULL;* _0 T: w2 t y' @0 \
}
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rec[pos] = d2;5 s; j3 R5 E& _+ F/ v( [+ e, l$ \+ @
pos++;" z& W% w2 V1 L# n) i& {% Y) q
rec[pos] = d3;* ^# G) E3 \( a0 P
pos++;
0 C# o- l( A/ {- \ goto mid;
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else: p8 X- Y! {+ u% L) v. T
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goto mid;
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4 q* q6 Y! e+ x. ~0 _, L//sz = recv(s[cur],rec,2000,0);
, S. z/ J) E, M+ z E& u# Y printf("%s\n",rec);+ L; @$ b) }# x& x+ I# W
while(rec[z]!=':')
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z++;
9 r6 [# H! `3 G6 m5 z( |% F2 z if(rec[z]==NULL || rec[z]=='\n')4 C, d- G# X' z0 |
{
/ ?, k7 w7 D- p' ? closesocket(s[cur]);
6 s9 F- q1 E5 }5 p return 0;
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z++;/ f7 F# F0 U2 e7 O- {6 i
z++;5 T0 m m1 e' d4 M$ k
z++;) C8 f4 f2 b2 ?% ~1 ~0 [
int temp = 0;
W: e" m, p# f while(rec[z]!='/')
4 J* x& e" K: ?, R! M& q8 J3 n {
3 R4 g3 T9 L' Q$ Z host[temp] = rec[z];- V4 s* L0 C: V2 N4 H& W
z++;
) ?# a( }) v r3 P& p6 Q& y- p( { temp++;% [4 R, W: z. r: {: M9 O
}" }. M5 |" L% H) f0 A2 a
temp = 0;9 {- }; x+ h* n% u
z=0;, w* z0 e+ ^; R$ F
while(rec[z]!='h')
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sen1[temp] = rec[z];
" ^2 L" _* U7 W6 N" e' W9 K# k3 W z++;
" J! X3 R1 {8 N$ M7 T temp++;' Y# \1 O( c% s4 {+ S7 [% T! I& V
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z++;3 Z4 c/ O3 M. ~5 }5 ^3 [
while(rec[z]!='/')
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z++;
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z++;
) |0 l; u; o5 f& y5 r. x z++;
0 Y6 \0 m5 U# F5 r3 G; x$ i while(rec[z]!='/')* @+ `) |0 B4 A1 y
{
( [# b$ ]' i6 P. C z++;
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while(rec[z]!=NULL)
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% K' I9 A" T. z3 V- _ sen1[temp] = rec[z];. K7 L$ k8 o" ]1 I, E' @# T. m
z++;
& ^3 R4 p' m& e* F temp++;
! Y$ @" e1 v+ q4 Q6 L }
+ m% ]# ~3 g! m! c PHOSTENT adr = NULL;
- E: k" Q& f0 C, D3 H adr = gethostbyname(host);
/ v/ u3 F: z5 u1 v7 z% X8 Y; J if(adr==NULL)
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) t$ o9 x+ y( ~$ f; \* [% }7 y send(s[cur],"Could not able to resolve host address",48,0);- b3 V( o+ {0 v- ]/ p& t
closesocket(s[cur]);5 j, E" p. k. f# R
DWORD ff;" h7 ^4 E; V1 f( d) y
GetExitCodeThread(han[cur],&ff);
5 Q% {( T+ O2 z! R; g. d. u2 W$ w ExitThread(ff);
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, g3 [7 a. Y1 M: E0 J# H) q0 ^$ o, n* h5 ~5 | SOCKET ss;
7 c* F/ [/ o+ a! l sockaddr_in dd;; \- b E. d1 M% q+ f' A7 D2 u
ss = socket(AF_INET,SOCK_STREAM,0);. U) U6 B3 | A& I
memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
" h: P) h* v# [3 c; | T! E dd.sin_family = AF_INET;
7 ^1 h- w% f% Z- Y+ c/ i4 h" B4 e dd.sin_port = htons(80);
& e) k5 C4 p7 D! q if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)' i9 u6 y4 V# P2 n$ D0 G4 ]( X( m
{: R8 i9 J$ W( ~2 {
send(s[cur],"Not able to connect to server",29,0);. t3 r3 o' ?: v5 M3 x. p! x
closesocket(s[cur]);
# u5 S* W. i1 F; [- ^$ ]7 P6 U5 N DWORD ff;% Y% q/ G! }9 u' D7 `! ^) x. ^; K
GetExitCodeThread(han[cur],&ff);3 @, V1 F" |$ V( x8 W# W
ExitThread(ff);% J- o$ n( a8 Q# o9 M8 e
}
: O5 O* v2 w$ s( c send(ss,sen1,sz,0);
/ G/ D* Q0 s0 v: L0 y sz = recv(ss,rec,2000,0);
. o( q. t4 L" k6 B$ e& d( h while(sz!=0)
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6 r& H1 ?3 z9 n4 n+ j0 V+ D; w send(s[cur],rec,sz,0);$ M+ g8 k5 W- T
sz = recv(ss,rec,2000,0);+ y" p+ a& Q& _0 `0 O$ K
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closesocket(ss);. w+ s+ E1 X |# ]. O4 [- P/ b
closesocket(s[cur]);, m2 a( n' h$ Q" @/ d' N
/ l R! v/ X& t. T8 D& c DWORD ff;
/ k6 Y- f8 \/ _! f5 E G. U) o! v GetExitCodeThread(han[cur],&ff);
6 t4 |) ^$ B5 ?( S ExitThread(ff);( Z8 P1 Z U1 _ O# |
return 0;
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$ R a& ~; q! U( j2 N2 u- x0 \void main()7 | \' @% G' r5 T& y) {
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WSAStartup(MAKEWORD(1,1),&ss);) j' m5 L# _! [3 k
a = socket(AF_INET,SOCK_STREAM,0);% I- j7 N" B2 k: C! Q
s1.sin_addr.s_addr = INADDR_ANY;
- a/ s3 S8 L% G$ v! t0 X1 g# X3 H s1.sin_family = AF_INET;0 E3 c: }- D0 L- D; }( e8 K' ?
s1.sin_port = htons(2323);1 P# ]0 y, D( H: Y) V i8 D
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if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR), [; g: M$ H& w2 v% a" l) d
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cout << WSAGetLastError();
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if(listen(a,1)==SOCKET_ERROR)
4 q( f7 S3 d; ^" N {
9 B/ | c/ w$ [4 K5 u! K cout << "Error";$ x/ t0 S: f: j+ i4 ]9 o+ j
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int sz = sizeof(s2);
8 u& n. h/ y% I" b. V goto re;% h* @! B1 d6 G' j+ t0 i
re:
: O( U7 `* L$ x/ j s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
# O7 O0 o: `7 y6 A# z8 k" ^5 [ ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);3 |. I1 }' b0 f$ e( f) I; O
Sleep(500);
# x' B5 L1 U- ?! i* @ if(pos==100)6 B/ w7 u' M1 Z, ~' u& l2 M
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pos=0;/ _. q& p( X) j# k- Z3 ~+ r1 S
}
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{
6 f- R) t2 a8 D c pos++;
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. Y0 g/ @8 ~8 ^( m$ ngoto re;
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% g; Q7 w8 Y$ M$ A% g) C//======================================= |
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