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authorJavier S. Pedro <maemo@javispedro.com>2012-09-30 19:41:17 +0200
committerJavier S. Pedro <maemo@javispedro.com>2012-09-30 19:41:17 +0200
commit15253d1995ea49b114ef5c627e15b661dbd602b2 (patch)
tree1111441406a0b043f45ab19fe42e567be36d4d09 /distfoldd/agent.cc
parentc8f89279026af6bb03ef3d66e44e859fb7208925 (diff)
downloaddistfold-15253d1995ea49b114ef5c627e15b661dbd602b2.tar.gz
distfold-15253d1995ea49b114ef5c627e15b661dbd602b2.zip
add some trivial authentication
Diffstat (limited to 'distfoldd/agent.cc')
-rw-r--r--distfoldd/agent.cc65
1 files changed, 62 insertions, 3 deletions
diff --git a/distfoldd/agent.cc b/distfoldd/agent.cc
index a718230..8baa85b 100644
--- a/distfoldd/agent.cc
+++ b/distfoldd/agent.cc
@@ -1,3 +1,5 @@
+#include <QtCrypto>
+
#include "agent.h"
#ifdef Q_OS_UNIX
@@ -5,8 +7,8 @@
#include <utime.h>
#endif
-Agent::Agent(QSslSocket *socket, const QDir& dir, SyncFlags flags, QObject *parent) :
- QObject(parent), _dir(dir), _subPath("/"), _flags(flags), _socket(socket)
+Agent::Agent(QSslSocket *socket, const QDir& dir, const QString& passwd, SyncFlags flags, QObject *parent) :
+ QObject(parent), _dir(dir), _subPath("/"), _passwd(passwd), _flags(flags), _socket(socket)
{
connect(_socket, SIGNAL(readyRead()), SLOT(handleDataAvailable()));
connect(_socket, SIGNAL(sslErrors(QList<QSslError>)), SLOT(handleSslErrors(QList<QSslError>)));
@@ -73,7 +75,7 @@ bool Agent::equalDateTime(const QDateTime& dt1, const QDateTime& dt2)
void Agent::setLocalFileDateTime(const QString &path, const QDateTime &dt)
{
-#ifdef Q_OS_UNIX
+#if defined(Q_OS_UNIX)
const char *filename = path.toLocal8Bit().constData();
struct utimbuf times;
times.actime = dt.toTime_t();
@@ -82,6 +84,8 @@ void Agent::setLocalFileDateTime(const QString &path, const QDateTime &dt)
if (rc != 0) {
qWarning() << "Could not set local mtime of" << path;
}
+#elif defined(Q_OS_WIN32)
+ // TODO SetFileAttributes, SetFileTime
#endif
}
@@ -135,6 +139,61 @@ bool Agent::morePathDepthThan(const QString& s1, const QString& s2)
return d1 > d2;
}
+QByteArray Agent::encodeHelloMessage(const QByteArray& client_challenge)
+{
+ QByteArray ba(sizeof(quint32), '\0');
+ quint32 *p = reinterpret_cast<quint32*>(ba.data());
+ *p = PROTO_CURRENT;
+ ba.append(client_challenge);
+ return ba;
+}
+
+Agent::ProtoVersion Agent::decodeHelloMessage(const QByteArray& ba, QByteArray *client_challenge)
+{
+ if (ba.size() < static_cast<int>(sizeof(quint32))) return PROTO_BAD;
+ const quint32 *p = reinterpret_cast<const quint32*>(ba.constData());
+
+ switch (*p) {
+ case PROTO_1:
+ *client_challenge = ba.mid(sizeof(quint32));
+ return PROTO_1;
+ default:
+ return PROTO_BAD;
+ }
+}
+
+QByteArray Agent::hmacSha1(const QByteArray& key, const QByteArray& message)
+{
+ QCA::MessageAuthenticationCode mac("hmac(sha1)", QCA::SymmetricKey(key));
+ mac.update(message);
+ return mac.final().toByteArray();
+}
+
+QByteArray Agent::generateChallenge()
+{
+ const int challenge_size = 10;
+ return QCA::Random::randomArray(challenge_size).toByteArray();
+}
+
+QByteArray Agent::generateChallengeResponse(const QByteArray& server_challenge, const QByteArray& client_challenge)
+{
+ return hmacSha1(_passwd.toUtf8(), server_challenge + client_challenge);
+}
+
+QByteArray Agent::encodeAuthReply(AuthResult result)
+{
+ QByteArray ba(sizeof(quint8), static_cast<char>(result));
+ return ba;
+}
+
+Agent::AuthResult Agent::decodeAuthReply(const QByteArray& ba)
+{
+ if (ba.size() != 1) return AUTH_FAILED;
+ const quint8 *p = reinterpret_cast<const quint8*>(ba.constData());
+
+ return static_cast<AuthResult>(*p);
+}
+
QFileInfoList Agent::scanFiles(const QDir& dir)
{
QFileInfoList all;