source: UsbWattMeter/trunk/curl-7.47.1/lib/ssh.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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1#ifndef HEADER_CURL_SSH_H
2#define HEADER_CURL_SSH_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.haxx.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24
25#include "curl_setup.h"
26
27#ifdef HAVE_LIBSSH2_H
28#include <libssh2.h>
29#include <libssh2_sftp.h>
30#endif /* HAVE_LIBSSH2_H */
31
32/****************************************************************************
33 * SSH unique setup
34 ***************************************************************************/
35typedef enum {
36 SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */
37 SSH_STOP = 0, /* do nothing state, stops the state machine */
38
39 SSH_INIT, /* First state in SSH-CONNECT */
40 SSH_S_STARTUP, /* Session startup */
41 SSH_HOSTKEY, /* verify hostkey */
42 SSH_AUTHLIST,
43 SSH_AUTH_PKEY_INIT,
44 SSH_AUTH_PKEY,
45 SSH_AUTH_PASS_INIT,
46 SSH_AUTH_PASS,
47 SSH_AUTH_AGENT_INIT, /* initialize then wait for connection to agent */
48 SSH_AUTH_AGENT_LIST, /* ask for list then wait for entire list to come */
49 SSH_AUTH_AGENT, /* attempt one key at a time */
50 SSH_AUTH_HOST_INIT,
51 SSH_AUTH_HOST,
52 SSH_AUTH_KEY_INIT,
53 SSH_AUTH_KEY,
54 SSH_AUTH_DONE,
55 SSH_SFTP_INIT,
56 SSH_SFTP_REALPATH, /* Last state in SSH-CONNECT */
57
58 SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */
59 SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */
60 SSH_SFTP_QUOTE,
61 SSH_SFTP_NEXT_QUOTE,
62 SSH_SFTP_QUOTE_STAT,
63 SSH_SFTP_QUOTE_SETSTAT,
64 SSH_SFTP_QUOTE_SYMLINK,
65 SSH_SFTP_QUOTE_MKDIR,
66 SSH_SFTP_QUOTE_RENAME,
67 SSH_SFTP_QUOTE_RMDIR,
68 SSH_SFTP_QUOTE_UNLINK,
69 SSH_SFTP_TRANS_INIT,
70 SSH_SFTP_UPLOAD_INIT,
71 SSH_SFTP_CREATE_DIRS_INIT,
72 SSH_SFTP_CREATE_DIRS,
73 SSH_SFTP_CREATE_DIRS_MKDIR,
74 SSH_SFTP_READDIR_INIT,
75 SSH_SFTP_READDIR,
76 SSH_SFTP_READDIR_LINK,
77 SSH_SFTP_READDIR_BOTTOM,
78 SSH_SFTP_READDIR_DONE,
79 SSH_SFTP_DOWNLOAD_INIT,
80 SSH_SFTP_DOWNLOAD_STAT, /* Last state in SFTP-DO */
81 SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */
82 SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */
83 SSH_SCP_TRANS_INIT, /* First state in SCP-DO */
84 SSH_SCP_UPLOAD_INIT,
85 SSH_SCP_DOWNLOAD_INIT,
86 SSH_SCP_DONE,
87 SSH_SCP_SEND_EOF,
88 SSH_SCP_WAIT_EOF,
89 SSH_SCP_WAIT_CLOSE,
90 SSH_SCP_CHANNEL_FREE, /* Last state in SCP-DONE */
91 SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */
92 SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */
93 SSH_QUIT,
94 SSH_LAST /* never used */
95} sshstate;
96
97/* this struct is used in the HandleData struct which is part of the
98 SessionHandle, which means this is used on a per-easy handle basis.
99 Everything that is strictly related to a connection is banned from this
100 struct. */
101struct SSHPROTO {
102 char *path; /* the path we operate on */
103};
104
105/* ssh_conn is used for struct connection-oriented data in the connectdata
106 struct */
107struct ssh_conn {
108 const char *authlist; /* List of auth. methods, managed by libssh2 */
109#ifdef USE_LIBSSH2
110 const char *passphrase; /* pass-phrase to use */
111 char *rsa_pub; /* path name */
112 char *rsa; /* path name */
113 bool authed; /* the connection has been authenticated fine */
114 sshstate state; /* always use ssh.c:state() to change state! */
115 sshstate nextstate; /* the state to goto after stopping */
116 CURLcode actualcode; /* the actual error code */
117 struct curl_slist *quote_item; /* for the quote option */
118 char *quote_path1; /* two generic pointers for the QUOTE stuff */
119 char *quote_path2;
120 LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */
121 bool acceptfail; /* used by the SFTP_QUOTE (continue if
122 quote command fails) */
123 char *homedir; /* when doing SFTP we figure out home dir in the
124 connect phase */
125
126 /* Here's a set of struct members used by the SFTP_READDIR state */
127 LIBSSH2_SFTP_ATTRIBUTES readdir_attrs;
128 char *readdir_filename;
129 char *readdir_longentry;
130 int readdir_len, readdir_totalLen, readdir_currLen;
131 char *readdir_line;
132 char *readdir_linkPath;
133 /* end of READDIR stuff */
134
135 int secondCreateDirs; /* counter use by the code to see if the
136 second attempt has been made to change
137 to/create a directory */
138 char *slash_pos; /* used by the SFTP_CREATE_DIRS state */
139 LIBSSH2_SESSION *ssh_session; /* Secure Shell session */
140 LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */
141 LIBSSH2_SFTP *sftp_session; /* SFTP handle */
142 LIBSSH2_SFTP_HANDLE *sftp_handle;
143 int orig_waitfor; /* default READ/WRITE bits wait for */
144
145#ifdef HAVE_LIBSSH2_AGENT_API
146 LIBSSH2_AGENT *ssh_agent; /* proxy to ssh-agent/pageant */
147 struct libssh2_agent_publickey *sshagent_identity,
148 *sshagent_prev_identity;
149#endif
150
151 /* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h
152 header */
153#ifdef HAVE_LIBSSH2_KNOWNHOST_API
154 LIBSSH2_KNOWNHOSTS *kh;
155#endif
156#endif /* USE_LIBSSH2 */
157};
158
159#ifdef USE_LIBSSH2
160
161/* Feature detection based on version numbers to better work with
162 non-configure platforms */
163
164#if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000)
165# error "SCP/SFTP protocols require libssh2 0.16 or later"
166#endif
167
168#if LIBSSH2_VERSION_NUM >= 0x010000
169#define HAVE_LIBSSH2_SFTP_SEEK64 1
170#endif
171
172#if LIBSSH2_VERSION_NUM >= 0x010100
173#define HAVE_LIBSSH2_VERSION 1
174#endif
175
176#if LIBSSH2_VERSION_NUM >= 0x010205
177#define HAVE_LIBSSH2_INIT 1
178#define HAVE_LIBSSH2_EXIT 1
179#endif
180
181#if LIBSSH2_VERSION_NUM >= 0x010206
182#define HAVE_LIBSSH2_KNOWNHOST_CHECKP 1
183#define HAVE_LIBSSH2_SCP_SEND64 1
184#endif
185
186#if LIBSSH2_VERSION_NUM >= 0x010208
187#define HAVE_LIBSSH2_SESSION_HANDSHAKE 1
188#endif
189
190extern const struct Curl_handler Curl_handler_scp;
191extern const struct Curl_handler Curl_handler_sftp;
192
193#endif /* USE_LIBSSH2 */
194
195#endif /* HEADER_CURL_SSH_H */
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