#include //Required for atoi()
' ? l: ^2 v& q) Q#include "..\winsock.h" //Winsock header file8 N$ j4 K. v2 D! L. ~ q) U) }
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#define PROG_NAME "Quick FTP Version 1"
; ]& V' ^ j' H+ ^. J#define HOST_NAME "NIC.DDN.MIL " // FTP server host / j: P2 a" y% S, j
#define PASSWORD "PASS guest\r\n " // Password for FTP server host : o7 t+ O8 a H) M: ]! k
#define WINSOCK_VERSION 0x0101 // Program requires Winsock version 1.1
4 Z$ c* c) X% o+ {; X#define DEFAULT_PROTOCOL 0 // No protocol specified, use default 0 Z: F! I" @4 y* F* H( V$ U
#define NO_FLAGS 0 // No special flags specified
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char szCommandBuffer[100]; // Buffer for FTP commands
+ H% [$ V) ?- p2 o: NLPSTR lpszFunctionName; // Pointer for function names H7 p4 U: P) |/ T3 B3 E) A5 N
- P a0 o! k1 bUINT GetReplyCode(LPSTR lpszServerReply) 8 {% K1 w# X$ u5 `# @- W5 L
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UINT nCode; // Reply code as a number
% B; w( L0 ?6 B" S2 r! P- u6 k char c; // Temporary storage * q8 ?, }6 I+ z% t2 T* J9 m
// lpszFunctionName = "GetReplyCode ";
5 {. H3 c5 @4 g c = *(lpszServerReply+3); // Save the character 5 Y( ^: I0 Z b; A7 Q; R. a
*(lpszServerReply+3) = '\0'; // Terminate the code
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nCode = atoi((const char *)lpszServerReply); // Convert code to number
7 Y- J; J) k9 }( c *(lpszServerReply+3) = c; // Restore the character
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( G" ^2 d @0 c0 q5 V4 c7 C return(nCode); // Return the reply code
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UINT ReadFTPServerReply(SOCKET hControlChannel) 8 S4 N2 Z* t9 O, ?* a; y- f5 \# ]2 J9 X
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char sReceiveBuffer[1024]; // Data-storage buffer for FTP server reply
- L x1 A. o3 P. Y# g5 [) v int iLength; // Length of data received from FTP server
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, ~! x' e; c, k3 k6 y* ]! P7 x lpszFunctionName = "ReadFTPServerReply ";
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; ?6 d1 g9 h/ O& ]( A0 Y if ((iLength = recv(hControlChannel, (LPSTR)sReceiveBuffer, / g3 \& o8 o% R( t0 k% q2 @8 b
sizeof(sReceiveBuffer), NO_FLAGS)) == SOCKET_ERROR)
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int iWinsockErr = WSAGetLastError();
2 S) M( w% Q! w wsprintf(szCommandBuffer,"Error %d from the recv() function!! ",
0 F) c9 H7 s& h! h } iWinsockErr); 0 ?* u, ]% i- X" v2 K1 E6 s
MessageBeep(MB_ICONHAND); 9 A/ d* U# g& M* e- I
MessageBox(NULL, szCommandBuffer, lpszFunctionName,MB_OK |MB_ICONSTOP); 0 L' @7 H6 n( j# ~- U. P1 b( G O) H0 m
// Return 999 to indicate an error has occurred
8 T( J. a" g) ]% @: Q( h return(999); 5 h4 ~2 E, E4 v
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sReceiveBuffer[iLength] = '\0'; ) ~9 k: d. I P9 b6 q. K9 I
MessageBeep(MB_ICONASTERISK);
- P' L, j5 [; X+ E MessageBox(NULL, (LPSTR)sReceiveBuffer, lpszFunctionName,MB_OK |MB_ICONINFORMATION); 3 H; w& I# B2 G) K+ F1 a
// Extract the reply code from the server reply and return as an integer
& k- Y3 v: s2 c3 \ h return(GetReplyCode(sReceiveBuffer)); ! B. T: Q+ p5 k* P1 r
}
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8 @ ?7 u9 ~, R" I0 k5 TUINT SendFTPCommand(SOCKET hControlChannel, LPSTR szCommandBuffer) % i$ g; C7 Q# `0 N0 B c
{
w2 ?: W' b- D lpszFunctionName = "SendFTPCommand "; & b s# R. i- Y4 T( x
1 R. X O% l/ L! V) P% o: _ // Send the FTP command
# ^/ Z& n9 c, F1 \3 q6 p if ((send(hControlChannel, (LPSTR)szCommandBuffer, 8 r; y7 m: k0 o% ?
lstrlen(szCommandBuffer), NO_FLAGS)) == SOCKET_ERROR)
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k, G# S" m- r: m! _# ~5 F- j. N int iWinsockErr = WSAGetLastError(); ! y9 b6 T1 D# B% R+ |
wsprintf(szCommandBuffer, "Error %d from the send() function!! ", - m+ R2 ~9 T7 ?7 V
iWinsockErr);
, N; w2 |0 @% F7 @ MessageBeep(MB_ICONHAND);
3 T* B5 w3 V' L0 C9 L8 e MessageBox(NULL, szCommandBuffer, lpszFunctionName,MB_OK |MB_ICONSTOP); & |+ M& b6 P( o: @
// Return 999 to indicate an error has occurred
' ^) U9 [, J% A' U" j& h return(999);
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// Read the server's reply and return the reply code as an integer
# X, i: h- V0 N return(ReadFTPServerReply(hControlChannel)); 7 J6 w$ [; J/ X4 W( k
}
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/ k3 |1 a& v: r6 L) p W: QUINT AnonymousFTPLogIn(SOCKET hControlSocket)
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c5 f* V+ u0 A int nReplyCode; // FTP server reply code
# [& x4 A; E5 T8 d3 c int iMsg = 0; // Index subscript for FTP commands 1 j: g9 v% G2 w% n
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lpszFunctionName = "AnonymousFTPLogIn "; ; z! A; s6 u/ r6 D" X E% L1 n
char *LoginCommand[]={"USER anonymous\r\n ",PASSWORD,NULL}; 2 E) K6 `: s8 W
do
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+ |7 G7 A0 ?! ^ nReplyCode = SendFTPCommand(hControlSocket,(LPSTR)LoginCommand[iMsg++]);
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1 W1 h" R, @3 S; Z* @* C- t while(LoginCommand[iMsg] && nReplyCode s_port; ; A2 V( |6 J9 g0 R) B0 T
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// Define the socket address
. D# P# l% |! x; z, Q6 S) L( ]8 x: }4 r sockAddr.sin_family = AF_INET;
$ K3 H2 F! V" c' p8 p5 _: F3 B" f sockAddr.sin_port = nProtocolPort;
; p' u9 e9 |+ g* Y! J. V( ^2 I sockAddr.sin_addr = *((LPIN_ADDR)*lpHostEnt- >h_addr_list);
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// Connect the socket R1 B/ ]0 v3 C" V* I# t/ d
if( nConnect = connect(hControlSocket, (LPSOCKADDR)&sockAddr,
& F0 m6 q% V9 ^5 V, k; n sizeof(sockAddr)))
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int iWinsockErr = WSAGetLastError(); # l1 a3 `' n7 b2 H8 R0 T" e
wsprintf(szCommandBuffer, . K% ^& m/ H P- N- x# e7 w
"Error #%d occurred while connecting socket!! ",
5 Y& C3 j, g- h% F5 m# w# W iWinsockErr); ; H( J$ w& V3 b0 C0 H6 D6 U
MessageBeep(MB_ICONHAND);
: _' E, i0 s4 Y8 W MessageBox(NULL, szCommandBuffer, lpszFunctionName,
5 ?- s, |# y& K$ h# s. v; J MB_OK |MB_ICONSTOP); ! P. L l; R5 h E, k e2 q& U
return(INVALID_SOCKET);
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* C' R, c3 G7 `+ m: Z1 u2 ?* M if (ReadFTPServerReply(hControlSocket) >= 400)
: S" I \9 P/ }( Q: @" v& H return(INVALID_SOCKET);
7 m. Z# K5 T6 X else / T# \7 b* @8 s$ n6 ]: K7 N# m' H% w
return(hControlSocket); * E( {5 p% J. C
} : y7 n; g6 b4 E, z5 Q3 {
( v( i0 |+ C- w) X8 [int PASCAL WinMain(HANDLE hInstance, HANDLE hPrevInstance,
9 Q' F1 g, S! m' F LPSTR lpszCmdParam, int nCmdShow) N, B) |1 @3 z* G& b
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WSADATA wsaData; // Winsock implementation details
4 @6 S& W" X, m- N SOCKET hControlChannel; // Socket handle for the control channel
# z/ n3 O; x) \" a$ g UINT nReplyCode; // FTP reply code 9 T; e7 |: v) _* f$ g
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lpszFunctionName = "WinMain ";
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+ v2 R# c5 v% {7 X- x3 D( J if (WSAStartup(WINSOCK_VERSION, &wsaData)) s) a+ b: y5 A# f7 N0 `- p
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MessageBeep(MB_ICONHAND);
# k) D. f+ e9 `5 Z MessageBox(NULL, "Could not load Windows Sockets DLL. ", , r: B e! x& U
lpszFunctionName, MB_OK |MB_ICONSTOP); , h; ^1 g4 P& a9 X$ d7 C! }( v" W
return(NULL);
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hControlChannel = ConnectFTPControlSocket((LPSTR)HOST_NAME);
d9 s$ n% r+ j& m // Note that from a DLL, here we would return % u+ m/ H0 f' F+ c; ?
// our control channel handle (if valid) for
0 X" ^) Q! I+ J0 i1 o // use by other program modules. 9 J( I5 a) _/ w" ` \
2 i# L9 w. P% b% N6 u if (hControlChannel != INVALID_SOCKET)
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// If we have a control channel, then login.
- \* E2 |0 l% `1 s7 \! m* f- R$ J nReplyCode = AnonymousFTPLogIn(hControlChannel);
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9 T" C( x1 o2 v! O3 }( l if (nReplyCode == 230) // User logged in; we can proceed. & x' p4 {3 C8 I j0 E) t
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SendFTPCommand(hControlChannel, "QUIT\r\n ");
( S4 Z6 N/ ^7 h+ ` closesocket(hControlChannel);
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}
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WSACleanup();
7 i0 d, t) U1 ?+ ]" S2 J MessageBeep(MB_ICONEXCLAMATION);
" j4 O$ p/ L( ?3 c4 f: Q MessageBox(NULL, "THE END!! ", PROG_NAME, MB_OK |MB_ICONEXCLAMATION);
7 | B+ T T/ c5 a: W9 @% O$ c& J6 d8 j return(NULL);
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