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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:
7 Z: u: _+ k6 J9 O//======================================
! {2 \' X# a! H$ F) V1 X( r//sock.cpp
' a2 r) c) m- C9 t#include<winsock.h>
2 H; \- R) Z% s v7 l( A$ M#include<windows.h>
! x: B& o/ a! a" y4 @6 J6 W: L#include<iostream.h>
. T( Q9 i+ G( b. ?#include<stdio.h>, R) @2 k! K* \# w
$ z: p. J: E2 N1 t' i5 L
WSADATA ss;4 a( w4 @2 v& s6 ]
SOCKET a,s[100];
1 X3 _9 g6 x8 J# a; L$ Esockaddr_in s1,s2;
; K& \! E$ M% D! h7 |% mint pos;
/ K# |1 R( Z; k: Ounsigned long id;
: \* Q/ M# [1 `: G/ lHANDLE han[100];: h/ }4 m! M, I3 }0 }, |
" ~, G, l5 x' H0 LDWORD WINAPI thread(8 o* S" a4 F3 R: x3 H
LPVOID lpParameter // thread data& L. p0 z- D! N" _
)2 I7 j( }# ~4 b. Z4 i8 c9 d
{. k2 r N/ k6 T) G6 @# [
int cur = pos;$ p4 P8 @6 v; V6 p; @6 V9 p9 I( b
int sub = 0;- I6 j; f& N) P
char rec[20000];
0 E# C6 u- k0 u2 y char host[100];
3 X5 }0 _6 P% [: |* @+ Z5 h char sen[20000];
* o1 J# d: |1 y1 [9 J char sen1[20000];; Q7 L( V* A3 m7 |% R5 P M
for(int z=0;z<20000;z++)
2 V( ^# w2 U2 i! y# H8 }9 k+ A, o {
- q6 B, V& g4 d+ S- a rec[z]=sen[z]=sen1[z]=0;
$ E+ Y4 |7 K k0 P host[z]=0;9 p+ @0 ]% X, _. N
}* d* ~/ O# A4 T, f; w0 \ Z
z = 0;, Z1 y2 L8 h" d7 j% R5 t
int sz;
" `" j; b k3 E! X) c% {7 | int pos = 0;/ N# S: }5 i* Y7 _6 Y
char d1='A',d2,d3;
9 C @2 R, q/ j/ V. ?9 k goto mid;
" Z" f- o+ A3 f- s o2 e3 bmid:+ c+ G$ o0 d H: h4 k) A2 ~! p7 c
recv(s[cur],&d1,1,0);, E( p' U& Z4 t' x
rec[pos] = d1;
" ]+ A% N& t2 m; z; O2 t9 d1 L pos++;4 `6 }7 q6 P: J- P
if(d1=='\n')" @1 f! u$ I& S5 I
{
$ I6 X' d5 u7 t4 n1 Y recv(s[cur],&d2,1,0);. E+ B; g8 y+ E( {" l1 y0 I
recv(s[cur],&d3,1,0);9 |' a7 e, g% R" A& Z
if(d2=='\r' && d3=='\n')
2 O H' q$ ~5 w+ U% n& u* s {
8 S" h; C+ n8 t( k/ q rec[pos] = d2;0 E# a, F6 }' S4 V
pos++;
! L; H2 s, [& I2 q6 Z8 R+ _ rec[pos] = d3;% p7 E7 l! W+ v+ }6 p
sz = pos;
( o; F' L" t" b" p2 w3 s7 O0 T rec[pos+1]=NULL;
' I& w; P, ^6 N9 |" ~; ?1 i; y3 }+ D, q }6 d+ u+ e; [7 o7 A0 A! Y: Y
else. y5 W C# x/ o A2 N
{$ c( j# r0 _$ v
rec[pos] = d2;! [/ Q$ C8 W& s" C
pos++;# x j8 {+ O: h% _' K! `9 Q7 R, H
rec[pos] = d3;+ C4 j* k1 H, F7 w, d- r
pos++;
5 ]8 f" M6 w& w! t8 K/ P- n goto mid;
4 \' i7 c: I* y0 T1 ~) D9 I+ h }
4 ]/ s) u9 V: [3 L# k& p$ v. w }
- @; x% [. ]& B% t; T9 k$ d6 t4 N else4 a/ g; O& d& r" U
{9 J% E9 i. Q6 T* W3 f. a" s
goto mid; ?+ @( l0 t* O* J, p
}
' z: G G6 I, V5 k- m( K$ S//sz = recv(s[cur],rec,2000,0);
; N7 A: i/ ]# Y1 j2 a printf("%s\n",rec);2 T- G; h6 f2 h! J# s, Y
while(rec[z]!=':')% g6 {2 B! ^0 F$ u' a9 Q8 F
{
+ U% M J4 o# x& I" i z++;
0 J0 y/ s, S6 K5 z8 |% E: c if(rec[z]==NULL || rec[z]=='\n')% p, p" f; C# O* M8 A
{9 _3 `( ?! ?$ m
closesocket(s[cur]);7 Y! R' L! @! k* r" k7 X8 e
return 0;6 g6 {$ b$ q: ?
}$ `* {$ F4 g. C& {
}
: y( z* D3 I1 q z++;
4 v* C) p5 U! j! z z++;
. f* G9 C% M3 F, ?- I( ] z++;2 V0 a. C' _1 r
int temp = 0;) C; c5 p9 m+ U3 P O5 `) o
while(rec[z]!='/')
0 a* Z4 E$ c, G% U* h {
8 b' o' b( @/ W# @ host[temp] = rec[z];
S0 Z1 F' i+ c" e, b z++;( Z7 C+ ]! x3 N
temp++;7 H$ H Z! a R5 C7 U1 R, e. R% U
}: K, q6 ]/ s# W; [( v
temp = 0;' y) V5 U+ u) N# A9 [% Y
z=0;
4 j; v; d, P) E" C6 e* V) q while(rec[z]!='h')
8 j* Y& x: w1 Y( K {
( X, Z; x9 c& Y) j! x5 E sen1[temp] = rec[z];
Y) O9 T. n% N- \ z++;+ ?# u& d0 {# t- v+ Z* w
temp++;. q M! l, v. h
}: {! E! R' ~7 E; u
z++;
# l3 a5 n3 \& G0 |5 K while(rec[z]!='/')
* {9 g& ~% \+ T; r {
5 q7 M/ u+ T& U$ R8 n z++;
3 Z# c) Z9 ]/ N4 b& j }% R2 l& N, f( k+ f
z++;
) o+ h' g6 X$ q, O. _4 Z z++;7 |6 q3 f# g6 Q: j* Q
while(rec[z]!='/')
1 d6 q' W& _) ^' B0 n& y {
. g- @7 H' D; W h7 z% ^ z++;5 m2 s# s4 N9 s" x3 c" J
}
% j0 I) H/ i* L while(rec[z]!=NULL)
2 E0 Z, D: U' V: A+ j0 s! J9 j% g {0 j7 j, P9 S4 C: j( M! C- B
sen1[temp] = rec[z];" K' v, t' U% g+ N. z& E
z++;
2 p" H( U/ K& n0 @% [/ Z0 x A temp++;" U& b& w) Z' V l& X! }# }" n/ c
}$ N- Q/ P P9 ~9 b$ H& {9 `7 w
PHOSTENT adr = NULL;6 |0 |# U- M/ z9 |6 W3 T; u- j
adr = gethostbyname(host);( a- N4 I2 B$ w n U' u; S2 w* b8 w
if(adr==NULL)- C' |! k6 \1 |: K9 ^: e# q! J
{/ u; _& T* R9 {9 ]! O# H$ a: t
send(s[cur],"Could not able to resolve host address",48,0);
" U7 y. T I9 q. H9 f& P closesocket(s[cur]);
& G0 R6 {, W* y1 k$ b3 ^( k- g DWORD ff;7 [( F% U% F& K2 f- c0 m) P. ^
GetExitCodeThread(han[cur],&ff);6 l9 ]9 V, ~+ i( I. ~
ExitThread(ff); P2 o) w: q' Z. ^
}
/ |2 x7 i. P/ P/ I: k0 B SOCKET ss;" a) E; p: _( T0 _5 r9 H5 s/ f
sockaddr_in dd;% q t( b/ Q S6 N
ss = socket(AF_INET,SOCK_STREAM,0);
+ J6 m7 k7 s2 g! ?: `! Y memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);- v2 w: I/ Z! e" |# P( [
dd.sin_family = AF_INET;: ?4 q0 p& l/ T- O& U
dd.sin_port = htons(80);( Q- J7 F# a' ?; S
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)* I2 \ G# \. H6 w
{
! R7 u$ {9 Q# L) Q6 z send(s[cur],"Not able to connect to server",29,0);( E0 y) U& z( r# y- W5 S
closesocket(s[cur]);
' y! \' F9 Q$ k" k+ M DWORD ff;2 B. m0 O" `* o' z: i, |
GetExitCodeThread(han[cur],&ff);
; g- A: @$ L v8 I. g ExitThread(ff);
, s3 X% n) ]1 d }
) f S: D% |6 a J) g, u send(ss,sen1,sz,0);- x4 ^" A7 c& s$ d1 o2 ]+ _
sz = recv(ss,rec,2000,0);
d9 Y, Y8 T8 K; j: w' P" a4 { while(sz!=0)+ @ Q# s$ ^% p0 ]) ]
{, j3 l" q2 D8 A% Q# N4 S) T
send(s[cur],rec,sz,0);
1 ?1 w5 K7 t4 _7 m! h sz = recv(ss,rec,2000,0);
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closesocket(ss);
7 i5 H# h! v: V) l closesocket(s[cur]);
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DWORD ff;7 U0 R U9 P0 m0 O- u
GetExitCodeThread(han[cur],&ff);7 |0 R# K) V& P8 J5 R# |
ExitThread(ff);0 N" v/ t% H/ E ~5 f- j5 `+ p
return 0;
: k% Q: f& B, G0 _# e& G}
, Z) I+ i/ M2 `2 z. B8 I2 p
; e8 \4 D$ a& b4 E; c* bvoid main()
$ O* n4 H$ }1 M' E{+ b& {/ Z* q7 z" M, [
WSAStartup(MAKEWORD(1,1),&ss);/ @/ y* L! [& K% R, {1 z
a = socket(AF_INET,SOCK_STREAM,0);
* K2 F% ~+ N# r0 h s1.sin_addr.s_addr = INADDR_ANY;
) n2 D6 u! B6 H& I% O s1.sin_family = AF_INET;7 I8 r9 ` s2 F A* u- G9 r$ U! z
s1.sin_port = htons(2323);" ]$ g& p: M+ b. M; Q' d( m. ]
, @4 \& r9 X8 S/ H if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)+ X1 `1 S5 }; |6 Z3 `. M
{
6 k- f* j2 ~/ y/ Q8 \3 p cout << WSAGetLastError();
/ _" b$ B. z: N( p/ V3 I# v# r }
6 }, _3 a1 D0 }: \6 |2 d% C if(listen(a,1)==SOCKET_ERROR)* u+ J$ E! ^, L1 S2 Y
{
R- v+ g$ K# ^ cout << "Error";
7 A* ?3 l& @3 m" b }
3 g6 W3 ^, f5 W0 D5 D6 i int sz = sizeof(s2);
/ G9 a: @8 r, n: }$ S5 x goto re;
8 b. n5 ]% ?7 ~' Bre:
- w8 ] F! Z! \- R s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);' X D( K" j8 m* \
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
0 K, `; G1 v0 N3 ^9 V Sleep(500);
- D$ u8 a& L3 \4 N0 l if(pos==100)1 A8 _- e( Z4 F" l! t; W" j8 p: c
{8 D9 z! i% D* P2 m; ^
pos=0;1 J' D% k4 K4 \0 x, N! J* I
}: |9 o% Y6 B8 l7 x
else9 ~: A2 G4 T/ |0 m- u
{
& r7 {: f( F4 D1 m8 S pos++;
( }! N, O7 n- A [) s/ Q }
- A2 P6 s: x) ^( J9 d* A8 W- @, Vgoto re;
1 }: {1 {0 e" g" G}, k" f$ j9 r0 B+ X
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