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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:
' A; Q9 u0 ]' C8 p//======================================5 I1 S4 U! a# A2 s* y4 A. ]
//sock.cpp
) q& x3 c2 D5 ]* t t/ \3 W/ D4 z) n; e#include<winsock.h>
. C$ P! ^' r0 T& \#include<windows.h> \( q n6 p% p4 ]# Q, I) B
#include<iostream.h>
+ ]: e4 @1 _) C: Z) ^#include<stdio.h>
{$ o& r) {9 K3 c+ r+ c. O# S8 A7 w8 S# b9 z
WSADATA ss;4 h" v C5 Z2 k
SOCKET a,s[100];
5 }# v$ g' y9 w) Gsockaddr_in s1,s2;
2 \ |' t# m0 e* O: i* oint pos;
- o4 n7 P' z! X8 ~3 b$ funsigned long id;: A0 e! p7 i- ]! j# E. i
HANDLE han[100];8 ^7 X) D5 H, ^! A
2 `4 a: _( O& i/ {- f) nDWORD WINAPI thread(
. m" r' r$ q, c5 F' l- j LPVOID lpParameter // thread data6 X4 p0 L! P/ q) U; R0 [
)
& C' Z, P+ S) h/ @; P* F# o9 ?{' I$ |% F) F$ ~) j$ p. P+ J3 j
int cur = pos;6 I9 K3 e6 B6 N* Q( [: e7 [& f% }
int sub = 0;, K! F @+ N- k3 i1 x: N
char rec[20000];
+ z, r7 \' P3 |; ^, A3 O char host[100];, Z! [: B; J d2 r
char sen[20000];
+ ]3 C; b: j' j5 a3 ?0 ?! v char sen1[20000];
6 U: r! B* ?1 Z3 i% z for(int z=0;z<20000;z++)
2 j9 g: u/ a7 u {* c6 f0 V6 @6 n, y* Q
rec[z]=sen[z]=sen1[z]=0;
; i+ _4 j; I% \: Q. o1 F' ] host[z]=0;
6 }9 U/ i+ {5 _6 f7 _2 O% E }
/ T" A6 q- |, }+ |$ [4 _( \$ u' V z = 0;
# }5 a& f; `0 t- t. K# L t% N6 e int sz;
8 s! t7 r- p9 j( j int pos = 0;! }: C K$ O( T2 b" R% ~6 v
char d1='A',d2,d3;
, B4 @; V2 O2 {8 i( { goto mid;( `+ K9 ~# S. M) T0 B3 y0 r
mid:
I) A% u4 F) A$ m/ C recv(s[cur],&d1,1,0);# N! C! ?" a3 h7 X
rec[pos] = d1;) _- y: D1 x7 H2 ]
pos++;9 s; o7 }! f0 K! V, E
if(d1=='\n')
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recv(s[cur],&d2,1,0);
3 B+ q6 }6 w* Y$ l3 h" l5 B, i recv(s[cur],&d3,1,0);
) M5 {. i) }$ e6 _% ^: ] {% D' z; w if(d2=='\r' && d3=='\n'). p: [, ?1 @; q) I" W& G. g$ ]+ c
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rec[pos] = d2;; d" U* z, u/ |) d
pos++;# b& S$ f' w! M9 E) _1 G r# H9 I
rec[pos] = d3;
* h6 m/ C" p' n9 z0 } C, S sz = pos;5 m# N) N' P( ^ p+ {
rec[pos+1]=NULL;
& B. @% `% k* o7 Z8 F" D9 {0 q }
9 A& T' r0 Y' Z2 M3 B else; _" Y" `5 w: {4 E, d' R( {' ~
{
4 O9 F* z( U1 b& r' w rec[pos] = d2;
n7 g8 G! g7 ^# Q pos++;
4 |- d1 F) [# a: {& N rec[pos] = d3;
* g; u3 D9 X) F$ K pos++;
7 \6 H7 ]1 f3 d6 v goto mid;
n. v2 }6 e3 u+ p7 l! t }
! q) k- L, T' a6 Q8 w }2 q. L+ P0 H; q9 K1 H
else" s' V3 V7 {" n' ]
{
: E! U$ B$ ?6 {+ Z goto mid;
/ S' ^7 g& G. U5 w2 s! h% V V+ X }
% K" \, E4 x, }) P//sz = recv(s[cur],rec,2000,0);; B! q& z% k' E6 N' y( A6 d
printf("%s\n",rec);" ^" {; e" B7 b
while(rec[z]!=':')
! D2 v; o2 E4 C {' u( b* c/ }3 T. @2 O
z++;
# [& o. x4 D/ Z) C( w if(rec[z]==NULL || rec[z]=='\n')7 d- `9 J% L. c/ B& w
{
, N! {- z; C& l, M+ g1 g closesocket(s[cur]);
2 T/ w9 S# A! Z) g$ H4 @$ A( v return 0;
, ]7 ^, K7 o- ]3 E& |) q/ S. s }
/ L9 X- }+ ^' { }
$ U, n+ F2 b, c. F& ` z++;
# h4 T% {' D, b8 r( L9 d z++;. G* l2 v; J' ?& F& t
z++;9 \2 g! U+ w' y
int temp = 0;
0 O: `# y3 `2 }: y( [, D while(rec[z]!='/')
/ a: ?: e3 P" o {
/ }8 V- L' T! u0 e% O host[temp] = rec[z];
( R- G( ?. S- J8 _ z++;$ O8 E T+ h5 s
temp++;
6 T' f+ T& r0 k }: b$ X1 s) I- a: w/ t/ s/ q" |* T% I
temp = 0;8 ~( V# {! z4 [& |
z=0;' s5 z& [/ p4 |1 X! F' J% C; Y
while(rec[z]!='h')* C* s. _. e- Y t1 ?- X
{
$ Q# W7 [; o7 U: x5 A" w sen1[temp] = rec[z];7 }; y# M" w' k$ c; ~- o% p
z++;" W" i) x' y3 M2 q$ F
temp++;
9 t6 y" M5 w% G5 `6 r; e$ f0 u, n. } }+ q& N9 d# n5 Z; f; m5 x* d
z++;
! k8 q' P6 u# a5 o% f6 U3 N) ? while(rec[z]!='/'), ^# X, [6 g2 d2 O& k
{
" C. y4 C, h4 l; f z++;- j$ R# d4 G, B5 L" p; R
} \0 y) L4 H ^. T V2 R- N9 `- ]
z++;! e$ B; C1 S8 [" R4 j2 i( `5 \
z++;
1 u: ?6 p2 o; ?) a% f while(rec[z]!='/')) r% @; `2 X9 Y% ]8 ^2 [- ]' ]
{3 `$ K& {1 V/ h! u
z++;6 K6 e# [, u7 r$ x9 j3 I
}
4 D1 }% A) O& \6 @3 q while(rec[z]!=NULL)
+ F8 j3 [3 S$ y$ D1 ?( G { S0 I: U% S& ~$ D. k
sen1[temp] = rec[z];% g9 A! {. {! w% |9 Z+ L
z++;
' v! ]+ W& s3 X- J7 Q, e% f temp++;$ {( h! m$ I0 F5 c5 O
}0 L4 z2 h0 A8 N, Y1 r$ b8 n2 p+ H7 p
PHOSTENT adr = NULL;
% N8 C) y: Z3 L4 T1 y; L$ {$ \( G adr = gethostbyname(host);4 o! o* V1 f0 a- I# M3 \% k
if(adr==NULL)% j {0 w' z$ A$ Z; S& y9 v2 r/ [; D
{
; A+ B& s0 e+ R+ a8 O/ _: { send(s[cur],"Could not able to resolve host address",48,0);! J2 d- c( q- F8 n8 u9 {5 D
closesocket(s[cur]);) ~0 }' p. V7 p
DWORD ff;
% u [9 z$ b- Z5 S0 K GetExitCodeThread(han[cur],&ff);
6 m0 ]4 T! ^( ^" O3 a. |5 ^ ExitThread(ff);
) R2 @) b8 Y( i }
0 Q: m) C1 Z. } SOCKET ss;
. d& k) I* W0 Y& e o! b) @* G, p sockaddr_in dd;
* s" f/ @2 [) K* U2 K, L ss = socket(AF_INET,SOCK_STREAM,0);
( g) T, O. `6 P2 H5 ?3 f memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);' s+ J+ ~. U$ E! x* v& Q
dd.sin_family = AF_INET;* ?4 J2 N4 X8 ] h" p' J
dd.sin_port = htons(80);
9 X! q$ ?" q9 ^# | c3 D/ W7 @# q! Q if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)* C- T5 L" d' b# P7 Y% g- G
{
& q1 w3 d3 f! Z, a h, z send(s[cur],"Not able to connect to server",29,0);3 w' ]6 `. i3 `% C
closesocket(s[cur]);0 g5 s5 } Y) W7 l5 m$ A3 I
DWORD ff;
$ _: `! _) c% T- Q; h8 \9 E GetExitCodeThread(han[cur],&ff);* c9 M$ ^& h: H' B) p0 x
ExitThread(ff);
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send(ss,sen1,sz,0);6 L, F8 g& S) e$ L V9 e2 w' y9 G
sz = recv(ss,rec,2000,0);
% O, ^: r4 G. X o1 t+ L3 z* h6 N while(sz!=0)3 L2 ]. P/ x" s) q' D! s7 S
{' }0 E6 n! P" ]$ W' a) y+ F, k
send(s[cur],rec,sz,0);
! Z; s! Y, b7 U2 a# g sz = recv(ss,rec,2000,0);, k1 m" S5 _) h" p$ \) W& \/ R' ]* O! d
}* P$ w: g! i* j9 R8 L1 Y" k& W; @
closesocket(ss);$ N0 A5 {+ K6 ^7 [9 k( X3 ?
closesocket(s[cur]);$ t3 g Y, w. C* {) E$ Z
3 I" e6 @$ o0 c4 x/ J DWORD ff;
1 C ~; F& T) U* o( n GetExitCodeThread(han[cur],&ff);
6 i- F' K$ e/ j ExitThread(ff);
! v8 k. \7 L' ]) B* H return 0;
' V1 d$ g* W1 H8 X- ?$ x" H+ l0 A}- ^4 c5 N+ E* H8 k6 Y$ C- e2 B
! E' Y& T, L3 r
void main()7 ]' S8 H$ z' p/ J7 g* y1 O
{
: A# | u" X5 B6 z0 O& o, E WSAStartup(MAKEWORD(1,1),&ss);
6 }, |# F- e: w; R6 l% |6 Y/ Y a = socket(AF_INET,SOCK_STREAM,0);
u5 ?. X) y! r' \6 t' z) \ s1.sin_addr.s_addr = INADDR_ANY;% g0 U7 L/ B4 @1 K" }% u8 _
s1.sin_family = AF_INET;/ B! B% ~5 d- l
s1.sin_port = htons(2323);+ Y, P" W4 t- U) [2 w. t
- T: U/ h) z$ z# B2 k; B if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)3 h' G/ q. m' e" O- u2 F1 T
{5 p/ W* g8 S( V9 d9 X) T
cout << WSAGetLastError();
* E4 r' H8 Q6 ^- C: w' w }
0 a) y/ g$ }! y' \ if(listen(a,1)==SOCKET_ERROR)
; P8 [1 M- a0 i f {
5 Q$ L. p! V* S! D( I3 ?) {9 y# Y cout << "Error";
6 Q$ Z1 Y. M# ]3 p. o& c2 Y! K }
1 Q" V; z1 {* l5 S2 B7 c& R int sz = sizeof(s2);& G5 l f5 ]; ~; v+ t( P
goto re;& d) o4 l3 M8 ?- P- g
re:- l1 M O1 w7 S; M, T
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
, c# r, |( O _2 l/ r- K# Q ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
9 Z* M0 K+ [6 Z7 z Sleep(500);( x5 o( C) ~% X' `9 m
if(pos==100)" o: m- T2 l3 R- X0 F
{
1 N, Y: d+ K: ?" T/ |/ x pos=0;
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else; {" q+ L( Q: n6 M+ B
{/ @$ `! i G& {2 x1 Z0 z, D: |
pos++;
" z* s, U+ A% z7 X( {# w }
, f! Q% B7 z& _goto re;: V# \. ]) Q/ N% W& `* ~
}: x- {! | c2 L7 h2 n2 V
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