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
|
#ifndef HEADER_CURL_SSH_H
#define HEADER_CURL_SSH_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "setup.h"
#ifdef HAVE_LIBSSH2_H
#include <libssh2.h>
#include <libssh2_sftp.h>
#endif /* HAVE_LIBSSH2_H */
/****************************************************************************
* SSH unique setup
***************************************************************************/
typedef enum {
SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */
SSH_STOP = 0, /* do nothing state, stops the state machine */
SSH_S_STARTUP, /* Session startup, First state in SSH-CONNECT */
SSH_HOSTKEY, /* verify hostkey */
SSH_AUTHLIST,
SSH_AUTH_PKEY_INIT,
SSH_AUTH_PKEY,
SSH_AUTH_PASS_INIT,
SSH_AUTH_PASS,
SSH_AUTH_HOST_INIT,
SSH_AUTH_HOST,
SSH_AUTH_KEY_INIT,
SSH_AUTH_KEY,
SSH_AUTH_DONE,
SSH_SFTP_INIT,
SSH_SFTP_REALPATH, /* Last state in SSH-CONNECT */
SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */
SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */
SSH_SFTP_QUOTE,
SSH_SFTP_NEXT_QUOTE,
SSH_SFTP_QUOTE_STAT,
SSH_SFTP_QUOTE_SETSTAT,
SSH_SFTP_QUOTE_SYMLINK,
SSH_SFTP_QUOTE_MKDIR,
SSH_SFTP_QUOTE_RENAME,
SSH_SFTP_QUOTE_RMDIR,
SSH_SFTP_QUOTE_UNLINK,
SSH_SFTP_TRANS_INIT,
SSH_SFTP_UPLOAD_INIT,
SSH_SFTP_CREATE_DIRS_INIT,
SSH_SFTP_CREATE_DIRS,
SSH_SFTP_CREATE_DIRS_MKDIR,
SSH_SFTP_READDIR_INIT,
SSH_SFTP_READDIR,
SSH_SFTP_READDIR_LINK,
SSH_SFTP_READDIR_BOTTOM,
SSH_SFTP_READDIR_DONE,
SSH_SFTP_DOWNLOAD_INIT,
SSH_SFTP_DOWNLOAD_STAT, /* Last state in SFTP-DO */
SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */
SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */
SSH_SCP_TRANS_INIT, /* First state in SCP-DO */
SSH_SCP_UPLOAD_INIT,
SSH_SCP_DOWNLOAD_INIT,
SSH_SCP_DONE,
SSH_SCP_SEND_EOF,
SSH_SCP_WAIT_EOF,
SSH_SCP_WAIT_CLOSE,
SSH_SCP_CHANNEL_FREE, /* Last state in SCP-DONE */
SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */
SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */
SSH_QUIT,
SSH_LAST /* never used */
} sshstate;
/* this struct is used in the HandleData struct which is part of the
SessionHandle, which means this is used on a per-easy handle basis.
Everything that is strictly related to a connection is banned from this
struct. */
struct SSHPROTO {
char *path; /* the path we operate on */
};
/* ssh_conn is used for struct connection-oriented data in the connectdata
struct */
struct ssh_conn {
const char *authlist; /* List of auth. methods, managed by libssh2 */
#ifdef USE_LIBSSH2
const char *passphrase; /* pass-phrase to use */
char *rsa_pub; /* path name */
char *rsa; /* path name */
bool authed; /* the connection has been authenticated fine */
sshstate state; /* always use ssh.c:state() to change state! */
sshstate nextstate; /* the state to goto after stopping */
CURLcode actualcode; /* the actual error code */
struct curl_slist *quote_item; /* for the quote option */
char *quote_path1; /* two generic pointers for the QUOTE stuff */
char *quote_path2;
LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */
char *homedir; /* when doing SFTP we figure out home dir in the
connect phase */
/* Here's a set of struct members used by the SFTP_READDIR state */
LIBSSH2_SFTP_ATTRIBUTES readdir_attrs;
char *readdir_filename;
char *readdir_longentry;
int readdir_len, readdir_totalLen, readdir_currLen;
char *readdir_line;
char *readdir_linkPath;
/* end of READDIR stuff */
int secondCreateDirs; /* counter use by the code to see if the
second attempt has been made to change
to/create a directory */
char *slash_pos; /* used by the SFTP_CREATE_DIRS state */
LIBSSH2_SESSION *ssh_session; /* Secure Shell session */
LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */
LIBSSH2_SFTP *sftp_session; /* SFTP handle */
LIBSSH2_SFTP_HANDLE *sftp_handle;
int orig_waitfor; /* default READ/WRITE bits wait for */
/* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h
header */
#ifdef HAVE_LIBSSH2_KNOWNHOST_API
LIBSSH2_KNOWNHOSTS *kh;
#endif
#endif /* USE_LIBSSH2 */
};
#ifdef USE_LIBSSH2
#if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000)
# error "SCP/SFTP protocols require libssh2 0.16 or later"
#endif
#if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010000)
# define HAVE_LIBSSH2_SFTP_SEEK64 1
#else
# undef HAVE_LIBSSH2_SFTP_SEEK64
#endif
#if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010206)
# define HAVE_LIBSSH2_SCP_SEND64 1
#else
# undef HAVE_LIBSSH2_SCP_SEND64
#endif
extern const struct Curl_handler Curl_handler_scp;
extern const struct Curl_handler Curl_handler_sftp;
#endif /* USE_LIBSSH2 */
#endif /* HEADER_CURL_SSH_H */
|
