void
FTPSetUploadSocketBufferSize(const FTPCIPtr cip)
{
/* If dataSocketSBufSize is non-zero, it means you
* want to explicitly try to set the size of the
* socket's I/O buffer.
*
* If it is zero, it means you want to just use the
* TCP stack's default value, which is typically
* between 8 and 64 kB.
*
* If you try to set the buffer larger than 64 kB,
* the TCP stack should try to use RFC 1323 to
* negotiate "TCP Large Windows" which may yield
* significant performance gains.
*/
if ((cip->numUploads == 0) && (cip->dataSocketSBufSize != 0))
{
if (cip->hasSITE_STORBUFSIZE == kCommandAvailable)
(void) FTPCmd(cip, "SITE STORBUFSIZE %lu", (unsigned long) cip->dataSocketSBufSize);
else if (cip->hasSITE_SBUFSIZ == kCommandAvailable)
(void) FTPCmd(cip, "SITE SBUFSIZ %lu", (unsigned long) cip->dataSocketSBufSize);
else if (cip->hasSITE_SBUFSZ == kCommandAvailable)
(void) FTPCmd(cip, "SITE SBUFSZ %lu", (unsigned long) cip->dataSocketSBufSize);
/* At least one server implemenation has RBUFSZ but not
* SBUFSZ and instead uses RBUFSZ for both.
*/
else if ((cip->hasSITE_SBUFSZ != kCommandAvailable) && (cip->hasSITE_RBUFSZ == kCommandAvailable))
(void) FTPCmd(cip, "SITE RBUFSZ %lu", (unsigned long) cip->dataSocketSBufSize);
else if (cip->hasSITE_BUFSIZE == kCommandAvailable)
(void) FTPCmd(cip, "SITE BUFSIZE %lu", (unsigned long) cip->dataSocketSBufSize);
}
} /* FTPSetUploadSocketBufferSize */
int
FTPDelete(const FTPCIPtr cip, const char *const pattern, const int recurse, const int doGlob)
{
FTPLineList fileList;
FTPLinePtr filePtr;
char *file;
int onceResult, batchResult;
if (cip == NULL)
return (kErrBadParameter);
if (strcmp(cip->magic, kLibraryMagic))
return (kErrBadMagic);
batchResult = FTPRemoteGlob(cip, &fileList, pattern, doGlob);
if (batchResult != kNoErr)
return (batchResult);
for (batchResult = kNoErr, filePtr = fileList.first;
filePtr != NULL;
filePtr = filePtr->next)
{
file = filePtr->line;
if (file == NULL) {
batchResult = kErrBadLineList;
cip->errNo = kErrBadLineList;
break;
}
onceResult = FTPCmd(cip, "DELE %s", file);
if (onceResult < 0) {
batchResult = onceResult;
break;
}
if (onceResult != 2) {
if (recurse != kRecursiveYes) {
batchResult = kErrDELEFailed;
cip->errNo = kErrDELEFailed;
} else {
onceResult = FTPCmd(cip, "RMD %s", file);
if (onceResult < 0) {
batchResult = onceResult;
break;
}
if (onceResult != 2) {
onceResult = FTPRmdirRecursive(cip, file);
if (onceResult < 0) {
batchResult = kErrRMDFailed;
cip->errNo = kErrRMDFailed;
}
}
}
}
}
DisposeLineListContents(&fileList);
return (batchResult);
} /* FTPDelete */
int
FTPUmask(const FTPCIPtr cip, const char *const umsk)
{
if (cip == NULL)
return (kErrBadParameter);
if (strcmp(cip->magic, kLibraryMagic))
return (kErrBadMagic);
if ((umsk == NULL) || (umsk[0] == '\0'))
return (kErrBadParameter);
if (FTPCmd(cip, "SITE UMASK %s", umsk) == 2)
return (kNoErr);
cip->errNo = kErrUmaskFailed;
return (kErrUmaskFailed);
} /* FTPUmask */
int
FTPChmod(const FTPCIPtr cip, const char *const pattern, const char *const mode, const int doGlob)
{
FTPLineList fileList;
FTPLinePtr filePtr;
char *file;
int onceResult, batchResult;
if (cip == NULL)
return (kErrBadParameter);
if (strcmp(cip->magic, kLibraryMagic))
return (kErrBadMagic);
batchResult = FTPRemoteGlob(cip, &fileList, pattern, doGlob);
if (batchResult != kNoErr)
return (batchResult);
for (batchResult = kNoErr, filePtr = fileList.first;
filePtr != NULL;
filePtr = filePtr->next)
{
file = filePtr->line;
if (file == NULL) {
batchResult = kErrBadLineList;
cip->errNo = kErrBadLineList;
break;
}
onceResult = FTPCmd(cip, "SITE CHMOD %s %s", mode, file);
if (onceResult < 0) {
batchResult = onceResult;
break;
}
if (onceResult != 2) {
batchResult = kErrChmodFailed;
cip->errNo = kErrChmodFailed;
}
}
DisposeLineListContents(&fileList);
return (batchResult);
} /* FTPChmod */
/********************************************************
* function:CreateListenSocket
* purpose:create listen socket (let it choose the port) & start the socket listening
* return: FTP_SUCCEED 成功 ， FTP_FAIL 失败
*
********************************************************/
int CFTPClient::CreateListenSocket ( void )
{
struct sockaddr_in sockAddr;
/* 分配套接口 */
if ( ( m_hListenSocket = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
{
perror( "socket()" );
return -1;
}
if( m_iPassive ==1 )
{
//被动模式
char sRemote[50];
if(FTPCmd(PASV, 0, sRemote, 50)!=0 ) return -1;
char *pTmp;
for(int i=0; i<3; i++)
{
pTmp=strchr(sRemote, ',' );
if(pTmp==NULL)return -1;
*pTmp='.';
}
pTmp=strchr(sRemote, ',' );
if(pTmp==NULL)return -1;
*pTmp=0;
unsigned int iPortTmp=atoi(++pTmp);
pTmp=strchr(pTmp, ',' );
if(pTmp==NULL)return -1;
iPortTmp=iPortTmp*256+atoi(++pTmp);
unsigned long lRemote = inet_addr( sRemote );
sockAddr.sin_family = AF_INET;
sockAddr.sin_port = htons( iPortTmp );
sockAddr.sin_addr.s_addr = lRemote;
if (
connect
(
m_hListenSocket,
reinterpret_cast < struct sockaddr * > (&sockAddr),
sizeof(sockAddr)
) < 0 )
{
close( m_hListenSocket );
perror( "connect()" );
return -1;
}
return 0;
}
/* Let the system assign a socket address */
sockAddr.sin_family = AF_INET;
sockAddr.sin_port = htons( 0 ); /* htons() is just a reminder.*/
sockAddr.sin_addr.s_addr = INADDR_ANY;
/* Bind the socket */
if (
bind
(
m_hListenSocket,
reinterpret_cast < struct sockaddr * > (&sockAddr),
sizeof(sockAddr)
) )
{
close( m_hListenSocket );
perror( "bind()" );
return -1;
}
int tmpint = fcntl( m_hListenSocket, F_GETFL, 0 );
if ( fcntl( m_hListenSocket, F_SETFL, tmpint | O_NONBLOCK ) < 0 )
{
close( m_hListenSocket );
perror( "fcntl" );
return -1;
}
/* Listen for the FTP server connection */
if ( listen( m_hListenSocket, 3 ) )
{
close( m_hListenSocket );
perror( "listen()" );
return -1;
}
/* Ask the server to connect to the port monitored by the listener socket*/
#if defined( _AIX ) || defined( __linux__ )
socklen_t iLength = sizeof( sockAddr );
#else
int iLength = sizeof( sockAddr );
#endif
/* 发送PORT命令 */
/* Get port number */
if (
getsockname
(
m_hListenSocket,
reinterpret_cast < struct sockaddr * > (&sockAddr),
&iLength
) < 0 )
{
close( m_hListenSocket );
printf( "getsockname" );
return -1;
}
int iPort = sockAddr.sin_port;
/* Get local ip address */
if (
getsockname
(
m_hControlChannel,
reinterpret_cast < struct sockaddr * > (&sockAddr),
&iLength
) < 0 )
{
close( m_hListenSocket );
printf( "getsockname" );
return -1;
}
char strCmd[128];
//PORT h1,h2,h3,h4,p1,p2
//where h1 is the high order 8 bits of the internet host address.
if ( m_IsBigOrder == 1 )
{
sprintf
(
strCmd,
"PORT %d,%d,%d,%d,%d,%d\r\n",
( sockAddr.sin_addr.s_addr >> 24 ) & 0x000000ff,
( sockAddr.sin_addr.s_addr >> 16 ) & 0x000000ff,
( sockAddr.sin_addr.s_addr >> 8 ) & 0x000000ff,
( sockAddr.sin_addr.s_addr ) & 0x000000ff,
iPort >> 8,
iPort & 0xFF
);
}
int
FTPGetFileToMemory(
const FTPCIPtr cip,
const char *const file,
char *memBuf,
const size_t maxNumberOfBytesToWriteToMemBuf,
size_t *const numberOfBytesWrittenToMemBuf,
const longest_int startPoint,
const int deleteflag
)
{
int tmpResult;
volatile int result;
int atEOF;
longest_int expectedSize;
size_t ntoread;
read_return_t nread;
size_t numberOfBytesLeftInMemBuf;
#if !defined(NO_SIGNALS)
volatile FTPSigProc osigpipe;
volatile FTPCIPtr vcip;
int sj;
#endif /* NO_SIGNALS */
result = kNoErr;
atEOF = 1;
cip->usingTAR = 0;
numberOfBytesLeftInMemBuf = maxNumberOfBytesToWriteToMemBuf;
if (numberOfBytesWrittenToMemBuf != NULL)
*numberOfBytesWrittenToMemBuf = 0;
if ((file == NULL) || (file[0] == '\0') || (memBuf == NULL) || (maxNumberOfBytesToWriteToMemBuf == 0)) {
return (kErrBadParameter);
}
FTPCheckForRestartModeAvailability(cip);
if ((startPoint != 0) && (cip->hasREST == kCommandNotAvailable)) {
cip->errNo = kErrRESTNotAvailable;
return (cip->errNo);
}
(void) FTPFileSize(cip, file, &expectedSize, kTypeBinary);
if ((expectedSize != (longest_int) 0) && (startPoint > expectedSize)) {
/* Don't go to all the trouble of downloading nothing. */
if (deleteflag == kDeleteYes)
(void) FTPDelete(cip, file, kRecursiveNo, kGlobNo);
return (kNoErr);
}
if ((cip->numDownloads == 0) && (cip->dataSocketRBufSize != 0)) {
/* If dataSocketSBufSize is non-zero, it means you
* want to explicitly try to set the size of the
* socket's I/O buffer.
*
* If it is zero, it means you want to just use the
* TCP stack's default value, which is typically
* between 8 and 64 kB.
*
* If you try to set the buffer larger than 64 kB,
* the TCP stack should try to use RFC 1323 to
* negotiate "TCP Large Windows" which may yield
* significant performance gains.
*/
if (cip->hasSITE_RETRBUFSIZE == kCommandAvailable)
(void) FTPCmd(cip, "SITE RETRBUFSIZE %lu", (unsigned long) cip->dataSocketRBufSize);
else if (cip->hasSITE_RBUFSIZ == kCommandAvailable)
(void) FTPCmd(cip, "SITE RBUFSIZ %lu", (unsigned long) cip->dataSocketRBufSize);
else if (cip->hasSITE_RBUFSZ == kCommandAvailable)
(void) FTPCmd(cip, "SITE RBUFSZ %lu", (unsigned long) cip->dataSocketRBufSize);
else if (cip->hasSITE_BUFSIZE == kCommandAvailable)
(void) FTPCmd(cip, "SITE BUFSIZE %lu", (unsigned long) cip->dataSocketSBufSize);
}
#ifdef NO_SIGNALS
#else /* NO_SIGNALS */
vcip = cip;
osigpipe = (volatile FTPSigProc) signal(SIGPIPE, BrokenData);
gGotBrokenData = 0;
gCanBrokenDataJmp = 0;
#ifdef HAVE_SIGSETJMP
sj = sigsetjmp(gBrokenDataJmp, 1);
#else
sj = setjmp(gBrokenDataJmp);
#endif /* HAVE_SIGSETJMP */
if (sj != 0) {
(void) signal(SIGPIPE, (FTPSigProc) osigpipe);
FTPShutdownHost(vcip);
vcip->errNo = kErrRemoteHostClosedConnection;
return(vcip->errNo);
}
gCanBrokenDataJmp = 1;
#endif /* NO_SIGNALS */
tmpResult = FTPStartDataCmd(cip, kNetReading, kTypeBinary, startPoint, "RETR %s", file);
if (tmpResult < 0) {
result = tmpResult;
if (result == kErrGeneric)
result = kErrRETRFailed;
cip->errNo = result;
#if !defined(NO_SIGNALS)
(void) signal(SIGPIPE, (FTPSigProc) osigpipe);
#endif /* NO_SIGNALS */
return (result);
}
if ((startPoint != 0) && (cip->startPoint == 0)) {
/* Remote could not or would not set the start offset
* to what we wanted.
*/
cip->errNo = kErrSetStartPoint;
#if !defined(NO_SIGNALS)
(void) signal(SIGPIPE, (FTPSigProc) osigpipe);
#endif /* NO_SIGNALS */
return (cip->errNo);
}
FTPInitIOTimer(cip);
cip->expectedSize = expectedSize;
cip->lname = NULL; /* could be NULL */
cip->rname = file;
FTPStartIOTimer(cip);
/* Binary */
for (;;) {
if (! WaitForRemoteInput(cip)) { /* could set cancelXfer */
cip->errNo = result = kErrDataTimedOut;
FTPLogError(cip, kDontPerror, "Remote read timed out.\n");
break;
}
if (cip->cancelXfer > 0) {
FTPAbortDataTransfer(cip);
result = cip->errNo = kErrDataTransferAborted;
break;
}
ntoread = numberOfBytesLeftInMemBuf;
if (ntoread > cip->bufSize)
ntoread = cip->bufSize; /* Break it up into blocks. */
#ifdef NO_SIGNALS
nread = (read_return_t) SRead(cip->dataSocket, memBuf, ntoread, (int) cip->xferTimeout, kFullBufferNotRequired|kNoFirstSelect);
if (nread == kTimeoutErr) {
cip->errNo = result = kErrDataTimedOut;
FTPLogError(cip, kDontPerror, "Remote read timed out.\n");
break;
} else if (nread < 0) {
if (errno == EPIPE) {
result = cip->errNo = kErrSocketReadFailed;
errno = EPIPE;
FTPLogError(cip, kDoPerror, "Lost data connection to remote host.\n");
} else if (errno == EINTR) {
continue;
} else {
FTPLogError(cip, kDoPerror, "Remote read failed.\n");
result = kErrSocketReadFailed;
cip->errNo = kErrSocketReadFailed;
}
break;
} else if (nread == 0) {
break;
}
#else
gCanBrokenDataJmp = 1;
if (cip->xferTimeout > 0)
(void) alarm(cip->xferTimeout);
nread = read(cip->dataSocket, memBuf, (read_size_t) ntoread);
if (nread < 0) {
if ((gGotBrokenData != 0) || (errno == EPIPE)) {
result = cip->errNo = kErrSocketReadFailed;
errno = EPIPE;
FTPLogError(cip, kDoPerror, "Lost data connection to remote host.\n");
} else if (errno == EINTR) {
continue;
} else {
result = cip->errNo = kErrSocketReadFailed;
FTPLogError(cip, kDoPerror, "Remote read failed.\n");
}
(void) shutdown(cip->dataSocket, 2);
break;
} else if (nread == 0) {
/* At EOF. */
break;
}
gCanBrokenDataJmp = 0;
#endif /* NO_SIGNALS */
memBuf += nread;
if (numberOfBytesWrittenToMemBuf != NULL)
*numberOfBytesWrittenToMemBuf += (size_t) nread;
cip->bytesTransferred += (longest_int) nread;
FTPUpdateIOTimer(cip);
if ((size_t) nread > numberOfBytesLeftInMemBuf) {
/* assertion failure */
result = cip->errNo = kErrBugInLibrary;
break;
}
numberOfBytesLeftInMemBuf -= nread;
if (numberOfBytesLeftInMemBuf == 0) {
/* Done (but maybe not at EOF of remote file). */
atEOF = 0;
if ((cip->bytesTransferred + startPoint) == expectedSize)
atEOF = 1;
break;
}
}
#if !defined(NO_SIGNALS)
if (cip->xferTimeout > 0)
(void) alarm(0);
gCanBrokenDataJmp = 0;
#endif /* NO_SIGNALS */
/* If there hasn't been an error, and you limited
* the number of bytes, we need to abort the
* remaining data.
*/
if ((result == kNoErr) && (atEOF == 0)) {
FTPAbortDataTransfer(cip);
tmpResult = FTPEndDataCmd(cip, 1);
if ((tmpResult < 0) && (result == 0) && (tmpResult != kErrDataTransferFailed)) {
result = kErrRETRFailed;
cip->errNo = kErrRETRFailed;
}
} else {
tmpResult = FTPEndDataCmd(cip, 1);
if ((tmpResult < 0) && (result == 0)) {
result = kErrRETRFailed;
cip->errNo = kErrRETRFailed;
}
}
FTPStopIOTimer(cip);
#if !defined(NO_SIGNALS)
(void) signal(SIGPIPE, (FTPSigProc) osigpipe);
#endif /* NO_SIGNALS */
if (result == kNoErr) {
cip->numDownloads++;
if (deleteflag == kDeleteYes) {
result = FTPDelete(cip, file, kRecursiveNo, kGlobNo);
}
}
return (result);
} /* FTPGetOneF */