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SSH: Add SFTP operations needed to implement remote FS traversal.

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Change-Id: I3e7b52513211959a976545667e8e8372f2001c7e
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
Christian Kandeler
2012-02-01 17:39:52 +01:00
committed by hjk
parent 778108ebd0
commit 7c0abc29cd
11 changed files with 275 additions and 18 deletions
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67
src/libs/utils/ssh/sftpchannel.cpp
View File

@@ -95,6 +95,9 @@ SftpChannel::SftpChannel(quint32 channelId,
SIGNAL(initializationFailed(QString)), Qt::QueuedConnection);
connect(d, SIGNAL(dataAvailable(Utils::SftpJobId, QString)), this,
SIGNAL(dataAvailable(Utils::SftpJobId, QString)), Qt::QueuedConnection);
connect(d, SIGNAL(fileInfoAvailable(Utils::SftpJobId, QList<Utils::SftpFileInfo>)), this,
SIGNAL(fileInfoAvailable(Utils::SftpJobId, QList<Utils::SftpFileInfo>)),
Qt::QueuedConnection);
connect(d, SIGNAL(finished(Utils::SftpJobId,QString)), this,
SIGNAL(finished(Utils::SftpJobId,QString)), Qt::QueuedConnection);
connect(d, SIGNAL(closed()), this, SIGNAL(closed()), Qt::QueuedConnection);
@@ -131,6 +134,12 @@ void SftpChannel::closeChannel()
d->closeChannel();
}
SftpJobId SftpChannel::statFile(const QString &path)
{
return d->createJob(Internal::SftpStatFile::Ptr(
new Internal::SftpStatFile(++d->m_nextJobId, path)));
}
SftpJobId SftpChannel::listDirectory(const QString &path)
{
return d->createJob(Internal::SftpListDir::Ptr(
@@ -453,6 +462,7 @@ void SftpChannelPrivate::handleStatus()
case AbstractSftpOperation::MakeDir:
handleMkdirStatus(it, response);
break;
case AbstractSftpOperation::StatFile:
case AbstractSftpOperation::RmDir:
case AbstractSftpOperation::Rm:
case AbstractSftpOperation::Rename:
@@ -702,10 +712,16 @@ void SftpChannelPrivate::handleName()
"Unexpected SSH_FXP_NAME packet.");
}
QList<SftpFileInfo> fileInfoList;
for (int i = 0; i < response.files.count(); ++i) {
const SftpFile &file = response.files.at(i);
emit dataAvailable(op->jobId, file.fileName);
SftpFileInfo fileInfo;
fileInfo.name = file.fileName;
attributesToFileInfo(file.attributes, fileInfo);
fileInfoList << fileInfo;
}
emit fileInfoAvailable(op->jobId, fileInfoList);
sendData(m_outgoingPacket.generateReadDir(op->remoteHandle,
op->jobId).rawData());
break;
@@ -753,6 +769,18 @@ void SftpChannelPrivate::handleAttrs()
{
const SftpAttrsResponse &response = m_incomingPacket.asAttrsResponse();
JobMap::Iterator it = lookupJob(response.requestId);
SftpStatFile::Ptr statOp = it.value().dynamicCast<SftpStatFile>();
if (statOp) {
SftpFileInfo fileInfo;
fileInfo.name = QFileInfo(statOp->path).fileName();
attributesToFileInfo(response.attrs, fileInfo);
emit fileInfoAvailable(it.key(), QList<SftpFileInfo>() << fileInfo);
emit finished(it.key());
m_jobs.erase(it);
return;
}
AbstractSftpTransfer::Ptr transfer
= it.value().dynamicCast<AbstractSftpTransfer>();
if (!transfer || transfer->state != AbstractSftpTransfer::Open
@@ -866,6 +894,43 @@ void SftpChannelPrivate::sendTransferCloseHandle(const AbstractSftpTransfer::Ptr
job->state = SftpDownload::CloseRequested;
}
void SftpChannelPrivate::attributesToFileInfo(const SftpFileAttributes &attributes,
SftpFileInfo &fileInfo) const
{
if (attributes.sizePresent) {
fileInfo.sizeValid = true;
fileInfo.size = attributes.size;
}
if (attributes.permissionsPresent) {
if (attributes.permissions & 0x8000) // S_IFREG
fileInfo.type = FileTypeRegular;
else if (attributes.permissions & 0x4000) // S_IFDIR
fileInfo.type = FileTypeDirectory;
else
fileInfo.type = FileTypeOther;
fileInfo.permissionsValid = true;
fileInfo.permissions = 0;
if (attributes.permissions & 00001) // S_IXOTH
fileInfo.permissions |= QFile::ExeOther;
if (attributes.permissions & 00002) // S_IWOTH
fileInfo.permissions |= QFile::WriteOther;
if (attributes.permissions & 00004) // S_IROTH
fileInfo.permissions |= QFile::ReadOther;
if (attributes.permissions & 00010) // S_IXGRP
fileInfo.permissions |= QFile::ExeGroup;
if (attributes.permissions & 00020) // S_IWGRP
fileInfo.permissions |= QFile::WriteGroup;
if (attributes.permissions & 00040) // S_IRGRP
fileInfo.permissions |= QFile::ReadGroup;
if (attributes.permissions & 00100) // S_IXUSR
fileInfo.permissions |= QFile::ExeUser | QFile::ExeOwner;
if (attributes.permissions & 00200) // S_IWUSR
fileInfo.permissions |= QFile::WriteUser | QFile::WriteOwner;
if (attributes.permissions & 00400) // S_IRUSR
fileInfo.permissions |= QFile::ReadUser | QFile::ReadOwner;
}
}
void SftpChannelPrivate::removeTransferRequest(const JobMap::Iterator &it)
{
--it.value().staticCast<AbstractSftpTransfer>()->inFlightCount;

12
src/libs/utils/ssh/sftpchannel.h
View File

@@ -66,6 +66,7 @@ public:
void initialize();
void closeChannel();
SftpJobId statFile(const QString &path);
SftpJobId listDirectory(const QString &dirPath);
SftpJobId createDirectory(const QString &dirPath);
SftpJobId removeDirectory(const QString &dirPath);
@@ -91,13 +92,16 @@ signals:
// error.isEmpty <=> finished successfully
void finished(Utils::SftpJobId job, const QString &error = QString());
/*
* This signal is only emitted by the "List Directory" operation,
* one file at a time.
// TODO: Also emit for each file copied by uploadDir().
*/
void dataAvailable(Utils::SftpJobId job, const QString &data);
/*
* This signal is emitted as a result of:
* - statFile() (with the list having exactly one element)
* - listDirectory() (potentially more than once)
*/
void fileInfoAvailable(Utils::SftpJobId job, const QList<Utils::SftpFileInfo> &fileInfoList);
private:
SftpChannel(quint32 channelId, Internal::SshSendFacility &sendFacility);

3
src/libs/utils/ssh/sftpchannel_p.h
View File

@@ -65,6 +65,7 @@ signals:
void closed();
void finished(Utils::SftpJobId job, const QString &error = QString());
void dataAvailable(Utils::SftpJobId job, const QString &data);
void fileInfoAvailable(Utils::SftpJobId job, const QList<Utils::SftpFileInfo> &fileInfoList);
private:
typedef QMap<SftpJobId, AbstractSftpOperation::Ptr> JobMap;
@@ -116,6 +117,8 @@ private:
void sendTransferCloseHandle(const AbstractSftpTransfer::Ptr &job,
quint32 requestId);
void attributesToFileInfo(const SftpFileAttributes &attributes, SftpFileInfo &fileInfo) const;
JobMap::Iterator lookupJob(SftpJobId id);
JobMap m_jobs;
SftpOutgoingPacket m_outgoingPacket;

20
src/libs/utils/ssh/sftpdefs.h
View File

@@ -35,7 +35,8 @@
#include <utils/utils_global.h>
#include <QtCore/QtGlobal>
#include <QFile>
#include <QString>
namespace Utils {
@@ -46,6 +47,23 @@ enum SftpOverwriteMode {
SftpOverwriteExisting, SftpAppendToExisting, SftpSkipExisting
};
enum SftpFileType { FileTypeRegular, FileTypeDirectory, FileTypeOther, FileTypeUnknown };
class QTCREATOR_UTILS_EXPORT SftpFileInfo
{
public:
SftpFileInfo() : type(FileTypeUnknown), sizeValid(false), permissionsValid(false) { }
QString name;
SftpFileType type;
quint64 size;
QFile::Permissions permissions;
// The RFC allows an SFTP server not to support any file attributes beyond the name.
bool sizeValid;
bool permissionsValid;
};
} // namespace Utils
#endif // SFTPDEFS_H

10
src/libs/utils/ssh/sftpoperation.cpp
View File

@@ -46,6 +46,16 @@ AbstractSftpOperation::AbstractSftpOperation(SftpJobId jobId) : jobId(jobId)
AbstractSftpOperation::~AbstractSftpOperation() { }
SftpStatFile::SftpStatFile(SftpJobId jobId, const QString &path)
: AbstractSftpOperation(jobId), path(path)
{
}
SftpOutgoingPacket &SftpStatFile::initialPacket(SftpOutgoingPacket &packet)
{
return packet.generateStat(path, jobId);
}
SftpMakeDir::SftpMakeDir(SftpJobId jobId, const QString &path,
const SftpUploadDir::Ptr &parentJob)
: AbstractSftpOperation(jobId), parentJob(parentJob), remoteDir(path)

13
src/libs/utils/ssh/sftpoperation_p.h
View File

@@ -53,7 +53,7 @@ struct AbstractSftpOperation
{
typedef QSharedPointer<AbstractSftpOperation> Ptr;
enum Type {
ListDir, MakeDir, RmDir, Rm, Rename, CreateLink, CreateFile, Download, UploadFile
StatFile, ListDir, MakeDir, RmDir, Rm, Rename, CreateLink, CreateFile, Download, UploadFile
};
AbstractSftpOperation(SftpJobId jobId);
@@ -70,6 +70,17 @@ private:
struct SftpUploadDir;
struct SftpStatFile : public AbstractSftpOperation
{
typedef QSharedPointer<SftpStatFile> Ptr;
SftpStatFile(SftpJobId jobId, const QString &path);
virtual Type type() const { return StatFile; }
virtual SftpOutgoingPacket &initialPacket(SftpOutgoingPacket &packet);
const QString path;
};
struct SftpMakeDir : public AbstractSftpOperation
{
typedef QSharedPointer<SftpMakeDir> Ptr;

5
src/libs/utils/ssh/sftpoutgoingpacket.cpp
View File

@@ -60,6 +60,11 @@ SftpOutgoingPacket &SftpOutgoingPacket::generateInit(quint32 version)
return init(SSH_FXP_INIT, 0).appendInt(version).finalize();
}
SftpOutgoingPacket &SftpOutgoingPacket::generateStat(const QString &path, quint32 requestId)
{
return init(SSH_FXP_LSTAT, requestId).appendString(path).finalize();
}
SftpOutgoingPacket &SftpOutgoingPacket::generateOpenDir(const QString &path,
quint32 requestId)
{

1
src/libs/utils/ssh/sftpoutgoingpacket_p.h
View File

@@ -44,6 +44,7 @@ class SftpOutgoingPacket : public AbstractSftpPacket
public:
SftpOutgoingPacket();
SftpOutgoingPacket &generateInit(quint32 version);
SftpOutgoingPacket &generateStat(const QString &path, quint32 requestId);
SftpOutgoingPacket &generateOpenDir(const QString &path, quint32 requestId);
SftpOutgoingPacket &generateReadDir(const QByteArray &handle,
quint32 requestId);

2
src/libs/utils/ssh/sshconnection.cpp
View File

@@ -76,6 +76,8 @@ namespace {
Botan::LibraryInitializer::initialize("thread_safe=true");
qRegisterMetaType<Utils::SshError>("Utils::SshError");
qRegisterMetaType<Utils::SftpJobId>("Utils::SftpJobId");
qRegisterMetaType<Utils::SftpFileInfo>("Utils::SftpFileInfo");
qRegisterMetaType<QList <Utils::SftpFileInfo> >("QList<Utils::SftpFileInfo>");
staticInitializationsDone = true;
}
}