1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* Copyright (c) 2001 Lucas Fisher <ljfisher@purdue.edu>
* Copyright (c) 2009 Andreas Schneider <mail@cynapses.org>
* Copyright (c) 2020 Martin Sandsmark <martin@sandsmark.ninja>
* KDE2 port
* Copyright (c) 2022 Mavridis Philippe <mavridisf@gmail.com>
* Trinity port
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License (LGPL) as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later
* version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __tdeio_sftp_h__
#define __tdeio_sftp_h__
#include <kurl.h>
#include <tdeio/global.h>
#include <tdeio/slavebase.h>
#include <kdebug.h>
#include <stdint.h>
#include <memory>
#include <libssh/libssh.h>
#include <libssh/sftp.h>
#include <libssh/callbacks.h>
// How big should each data packet be? Definitely not bigger than 64kb or
// you will overflow the 2 byte size variable in a sftp packet.
#define MAX_XFER_BUF_SIZE 60 * 1024
#define TDEIO_SFTP_DB 7120
#if LIBSSH_VERSION_INT < SSH_VERSION_INT(0, 7, 90)
#define TDEIO_SSH_KNOWN_HOSTS_OK SSH_SERVER_KNOWN_OK
#define TDEIO_SSH_KNOWN_HOSTS_OTHER SSH_SERVER_FOUND_OTHER
#define TDEIO_SSH_KNOWN_HOSTS_CHANGED SSH_SERVER_KNOWN_CHANGED
#define TDEIO_SSH_KNOWN_HOSTS_NOT_FOUND SSH_SERVER_FILE_NOT_FOUND
#define TDEIO_SSH_KNOWN_HOSTS_UNKNOWN SSH_SERVER_NOT_KNOWN
#define TDEIO_SSH_KNOWN_HOSTS_ERROR SSH_SERVER_ERROR
#else
#define TDEIO_SSH_KNOWN_HOSTS_OK SSH_KNOWN_HOSTS_OK
#define TDEIO_SSH_KNOWN_HOSTS_OTHER SSH_KNOWN_HOSTS_OTHER
#define TDEIO_SSH_KNOWN_HOSTS_CHANGED SSH_KNOWN_HOSTS_CHANGED
#define TDEIO_SSH_KNOWN_HOSTS_NOT_FOUND SSH_KNOWN_HOSTS_NOT_FOUND
#define TDEIO_SSH_KNOWN_HOSTS_UNKNOWN SSH_KNOWN_HOSTS_UNKNOWN
#define TDEIO_SSH_KNOWN_HOSTS_ERROR SSH_KNOWN_HOSTS_ERROR
#endif
namespace TDEIO {
class AuthInfo;
}
class sftpProtocol : public TDEIO::SlaveBase
{
public:
sftpProtocol(const TQCString &pool_socket, const TQCString &app_socket);
virtual ~sftpProtocol();
virtual void setHost(const TQString& h, int port, const TQString& user, const TQString& pass) override;
virtual void get(const KURL& url) override;
virtual void listDir(const KURL& url) override;
virtual void mimetype(const KURL& url) override;
virtual void stat(const KURL& url) override;
virtual void put(const KURL& url, int permissions, bool overwrite, bool resume) override;
virtual void copy(const KURL &src, const KURL &dest, int permissions, bool overwrite) override;
virtual void closeConnection() override;
virtual void slave_status() override;
virtual void del(const KURL &url, bool isfile) override;
virtual void chmod(const KURL& url, int permissions) override;
virtual void symlink(const TQString& target, const KURL& dest, bool overwrite) override;
virtual void rename(const KURL& src, const KURL& dest, bool overwrite) override;
virtual void mkdir(const KURL& url, int permissions) override;
virtual void openConnection() override;
// libssh authentication callback (note that this is called by the
// global ::auth_callback() call.
int auth_callback(const char *prompt, char *buf, size_t len,
int echo, int verify, void *userdata);
// libssh logging callback (note that this is called by the
// global ::log_callback() call.
void log_callback(ssh_session session, int priority, const char *message,
void *userdata);
private: // Private variables
void statMime(const KURL &url);
void closeFile();
/** True if ioslave is connected to sftp server. */
bool mConnected;
/** Host we are connected to. */
TQString mHost;
/** Port we are connected to. */
int mPort;
/** The ssh session for the connection */
ssh_session mSession;
/** The sftp session for the connection */
sftp_session mSftp;
/** Username to use when connecting */
TQString mUsername;
/** User's password. Note: the password would be set only if it was passed to
* setHost() or received from cache */
TQString mPassword;
/** The open file */
sftp_file mOpenFile;
/** The open URL */
KURL mOpenUrl;
ssh_callbacks mCallbacks;
/** Version of the sftp protocol we are using. */
int sftpVersion;
//struct Status
//{
// int code;
// TDEIO::filesize_t size;
// TQString text;
//};
/** Some data needed to interact with auth_callback() */
struct {
/** true if callback was called */
bool wasCalled;
/** true if user canceled password entry dialog */
bool wasCanceled;
/** List of keys user was already prompted to enter the passphrase for.
* Note: Under most sane circumstances the list shouldn't go beyond size=2,
* so no fancy containers here
*/
TQStringList attemptedKeys;
} mPubKeyAuthData;
private: // private methods
int authenticateKeyboardInteractive();
/** A small helper function to construct auth info skeleton for the protocol */
TDEIO::AuthInfo authInfo();
/** A helper function encapsulating creation of an ssh connection before authentication */
int initializeConnection();
void reportError(const KURL &url, const int err);
bool createUDSEntry(const TQString &filename, const TQByteArray &path,
TDEIO::UDSEntry &entry, short int details);
TQString canonicalizePath(const TQString &path);
};
#endif
|
