|
这是一个简单的HTTP 代理VC++源代码你可能参考一下:
; d }$ b% v, I1 R1 f//======================================6 L4 k" X" \5 |% H# U
//sock.cpp
9 {- U8 ]" `# o( w#include<winsock.h>6 J: V# C; N- y' r
#include<windows.h>
6 p7 m5 X6 L" x6 X3 p#include<iostream.h>
* v) i0 T4 h. O#include<stdio.h>
K$ F7 P$ I j {/ Y0 f4 g7 [1 Q1 Z7 [$ f; W! w+ k
WSADATA ss;# G: Z- N# A! C
SOCKET a,s[100];
( Z0 E* j* V+ ^& tsockaddr_in s1,s2;
! e F) C: p% r( u1 |& i- Eint pos;7 F* Q% U% T f7 S3 S
unsigned long id;
( w7 f3 X1 Z" D8 k3 s+ t- _ GHANDLE han[100];
# i) q- Z; b4 I+ b) G
9 c' \* W8 D) |3 ~1 cDWORD WINAPI thread($ Z4 e9 {9 M/ C( i" I+ |
LPVOID lpParameter // thread data
* d7 a/ l3 i% V. q! P0 {): ]! U1 \# P; O2 W( P
{
2 k. ?3 c7 n; F& X* Z% e int cur = pos;
, j4 M" {! t0 V7 M int sub = 0;- }0 b' f0 }4 T* o
char rec[20000];
+ ^3 {' G) g% E9 T" J* l a) {2 x char host[100];9 \6 }. t+ _: O9 e" P! i
char sen[20000];/ L8 Q0 y _# c: Z8 ?1 M8 K# c
char sen1[20000];
4 Z0 t& a( k% Y' @: X, ? for(int z=0;z<20000;z++)3 D/ u: R. P' y: e
{4 }+ Z* f2 a1 T0 L2 s2 m0 ^8 X
rec[z]=sen[z]=sen1[z]=0;+ e1 W2 N$ `9 g- M. a# ^
host[z]=0;' v7 J2 x+ p: M' b4 K0 f1 i% p
}
3 O! V8 J' p' i4 u9 \/ n z = 0;
+ s' S' I$ [4 k% u. C int sz;
. m4 I- }5 |( f: R( K int pos = 0;
4 u; l/ N1 B: b# ^' a char d1='A',d2,d3;
0 K( Y8 i9 v) Z$ H. m2 L' @ }7 c& u goto mid;
* q" d. _6 q9 W' q }mid:5 Q9 ?) L/ c+ O
recv(s[cur],&d1,1,0);, j; S# Z$ S6 m' q. A
rec[pos] = d1;
& s/ P3 y# z' G' @ pos++;. ^2 V2 X- ]3 d4 N
if(d1=='\n')
' A7 a" l$ [* f) a/ m% H {
3 w* `: m" W- p3 ?& W recv(s[cur],&d2,1,0);
9 G4 M* x0 F$ J4 p" N [7 g recv(s[cur],&d3,1,0);
- J7 j; f, a5 z' ]6 c1 R if(d2=='\r' && d3=='\n')
# u! n t3 W4 h; J6 q {7 s( g6 i, k" o- d, B3 U# c
rec[pos] = d2;
! |3 N0 G/ R. W. C/ B+ x pos++;. |, y3 U: {" [
rec[pos] = d3;
4 b' s: p! L' U* e8 Q8 c8 n sz = pos;
( T( C! T& Z" `% @3 p rec[pos+1]=NULL;
, _2 n( h: i0 R! G) c2 ? }
. t/ V1 S$ o$ k# M3 U" x else _ i. x1 r C( ^& r* |( q
{; i3 {5 O' D% h6 j' W- V
rec[pos] = d2;
) i) `$ N0 { Q- a# K pos++;! L# k8 _8 J3 `) b# l
rec[pos] = d3;
4 H5 e0 D7 c* k6 y+ B pos++;7 a; z+ e8 l- n, V. o% M& A
goto mid;
- I& ?3 U) z+ M( X" G- Z" } }: i: s4 j$ o, B- R+ K/ t! m' e- j
}
/ F2 X; Q& t* G7 }& w- ^" a+ F else* l, a* _5 \: h
{; n3 H- f' W* v1 s: Q9 W
goto mid;
p6 N5 k7 V5 }- i5 N4 @6 v. { }
; o+ h8 Q \3 m( n//sz = recv(s[cur],rec,2000,0);
- O+ u0 o2 N8 j. A5 y( p+ D printf("%s\n",rec); j x' M; q) c! |( f
while(rec[z]!=':')
; z1 u( F& y# g. Z6 ~ {
9 u9 ^+ k' x: w9 P' E5 r | z++;5 X0 K$ `$ g) D% h
if(rec[z]==NULL || rec[z]=='\n'). |; J* g9 b; z6 i, j0 O
{
& D1 Q/ g( l e. ]. l2 ?9 r closesocket(s[cur]);
8 [0 p/ w: Z( J/ W1 M return 0;/ G3 r4 O; c3 F7 Z+ n. \
}
9 o0 J! `* n3 c; H) p+ m, Z& Q }% o3 a4 t5 n! j0 V- g
z++;
: O( i2 d+ y4 V0 Q: \ z++;% F9 ~' w* o: G4 `
z++;
& M! E8 K: v L4 \ int temp = 0;2 [' l( c4 [- p9 [( W$ O
while(rec[z]!='/')% R/ I, ?5 Y/ ] t) J# J$ \
{0 M1 [: x% m8 c+ X! J6 Q
host[temp] = rec[z];
9 } d/ r' @( a0 b6 V- K z++;
) v8 x! W) K/ h( K temp++; w* W8 R( i; A2 P
}: j( |" e, {+ L. ] P8 T; t0 G4 X
temp = 0;9 @! m9 O" U0 m
z=0;$ W: r0 r0 E$ R3 d; J" J o
while(rec[z]!='h')
. ^* d! V- E0 F5 W9 y {5 I, R3 l4 k: c q* ?0 T
sen1[temp] = rec[z];
2 \4 }, H; R% N A: {, g z++;$ G7 S b' I, S
temp++;
5 \1 m. s0 F& L3 N# Q9 k3 [0 P1 s }
; n0 m. q/ O. p: {3 | z++;
; L7 C- @- R% E, H5 Q8 {" H while(rec[z]!='/')
( \! V: ~7 R- C# {7 h) I% A9 ? {
" |& n6 a2 S, h2 C+ } z++;
* z; o: G7 U/ i2 X1 V }6 w9 ^3 r( B3 ?! N- |/ E0 ?$ W+ G
z++;6 w. h: f" O8 I- |
z++; {% o4 L! C* l( Q5 U
while(rec[z]!='/')
2 t, Y7 d, M2 o8 L8 z {
& U; z& F- Z) ^) R5 { z++;3 m; k6 s+ ^8 _$ a B" Z
}
+ o5 j9 a! f- a; `. N6 T while(rec[z]!=NULL)
" [7 o& T4 ]. C- p1 o* S {% C0 D3 c8 ^1 ~8 B% s
sen1[temp] = rec[z];% _7 j$ J. q2 o
z++;
; E# B, m4 }7 ~+ m3 T. u' K temp++;4 U4 `8 @" Q( ]9 v3 w) G# u$ z
}- \% t3 y- ]- @- j. ]7 @5 s# O
PHOSTENT adr = NULL;. q; b) x( N# P9 P+ v
adr = gethostbyname(host);
5 m5 A* n: J0 ~+ f" m: X; r if(adr==NULL)% m# ^9 j! M# a" Y E: X
{
5 r. A: b/ H0 E; ], a send(s[cur],"Could not able to resolve host address",48,0);) L% T' Q, m5 k" o3 T
closesocket(s[cur]);! |2 L& f, C; _$ m( j* b
DWORD ff;/ c1 s$ L P/ w1 z! @- t
GetExitCodeThread(han[cur],&ff);
3 q' T; X9 s( e% j: Z# y! x ExitThread(ff);
" m/ W6 T3 H6 b& ?) | }. M) E2 r& |% o& G: D
SOCKET ss;
% q* A, n* _, {1 u$ _; q sockaddr_in dd;0 j! w4 ^$ f; ^/ j8 ~6 X0 S
ss = socket(AF_INET,SOCK_STREAM,0);
+ N7 P* {! I# w8 d4 f( _ memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
$ S& u% b: E; u. I- [+ f- X) |" i dd.sin_family = AF_INET;
, }- N6 L- L3 `7 ^ s dd.sin_port = htons(80);
' u+ u% K2 ~: ?1 l7 l if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
7 m% t8 m, q, l3 s {# g Q3 N- S2 Z/ K T
send(s[cur],"Not able to connect to server",29,0);
3 {4 G- \6 F5 K; E1 f closesocket(s[cur]);
+ a8 O- f# S" S; f" ?+ @ DWORD ff;! I1 N* L6 d2 r7 s
GetExitCodeThread(han[cur],&ff);4 |" L7 e# h. t4 w# @+ R/ Q" X
ExitThread(ff);
/ q1 o9 @( b! @$ r2 ? }' N% V5 f( {9 _* g! S, S
send(ss,sen1,sz,0);% z8 n6 ?! d0 D# h; m6 a# i& H& [
sz = recv(ss,rec,2000,0);
( h* Y7 r' @& T1 c while(sz!=0)
6 S/ [" e- f: ?, ~3 p5 z {6 H9 }6 Z: [1 Q1 \4 ^
send(s[cur],rec,sz,0);
0 b, `' B' X/ f7 `6 ^8 T" G sz = recv(ss,rec,2000,0);
& ~" G q+ ]" C+ [( z% S4 E5 P) i }
- s' v6 F/ m9 o( t! T closesocket(ss);
0 F- b( |# V# ], `$ c/ W closesocket(s[cur]);. |% W. j& V* I& L" |/ W" o
- ?* L9 F3 Y) ?. U& j8 G DWORD ff;
. C& ?( [# M* H& V0 `' J% e/ L GetExitCodeThread(han[cur],&ff);
) w! n h D) W& t7 N* t# @ ExitThread(ff);
' i$ @: n! P. Q6 ]/ F% f) D6 k0 c) j return 0;5 b; D q. Q/ g; f; |% e
}! a' k- D0 q3 d" L* `8 H7 e
% V' P5 t. t8 A' Z S# Hvoid main()$ a) o9 ^3 f, D9 h9 d' w- o
{
, |$ J6 H# M0 ~# F# G: N WSAStartup(MAKEWORD(1,1),&ss);+ {6 T" C! G9 q( c0 ~
a = socket(AF_INET,SOCK_STREAM,0);) g; B, ]* y6 D- R9 ~. k" J, i
s1.sin_addr.s_addr = INADDR_ANY;
( B+ N8 D j* m1 z s1.sin_family = AF_INET;
7 M2 O. |0 ^8 L4 s" A/ k9 c s1.sin_port = htons(2323);
' x% ` Y" T* J% p6 P" s4 O5 w3 R- ?* K$ b$ W K) A
if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)% Q" x* A9 ?, h, R% M- [# Y' o7 \1 E
{# }* M9 S+ i9 @
cout << WSAGetLastError();
' l! z# _4 E- |( I+ i }
- v4 g% B) d; N" s6 }0 J6 B' A if(listen(a,1)==SOCKET_ERROR)
! P: B5 O o! G' B {0 c6 z' a, C. @! C
cout << "Error";/ E! l2 M3 U- z% u2 r
}: Q! r" w, V& s, {/ h" Z
int sz = sizeof(s2);7 _9 c* [! o0 C" w0 F
goto re;
% m7 g w- N1 T) H1 qre:# N5 D2 [5 x, R- k5 @% [1 X) V( J
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
, m6 B2 q9 C6 ^; i ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id); o8 m* m$ F( H9 Z
Sleep(500);
- o4 b% [# H$ }& W) E4 v; d) r if(pos==100)( [: u" V" {- s: n. W* X
{6 m! C, _! }: }8 E0 r
pos=0;$ P) O2 y J) E" U) x( D
}( A, k4 g: m$ [; f! ]1 |6 X7 _
else, S- P1 _5 x) Q% \
{8 g& E) b# U: R0 l! @
pos++;
; y8 J" J O1 n# z* n8 \, }: j }
/ G- T7 x) l7 w6 x$ Mgoto re;& K% e, ? e ?4 i# q7 d+ O
}
9 @8 s$ _! T- N+ G, B& u//======================================= |
|