1a491c6f00
Helpful in debugging the -39 errors.
893 lines
37 KiB
C
893 lines
37 KiB
C
/* Copyright (c) 2004-2009, Sara Golemon <sarag@libssh2.org>
|
|
* Copyright (c) 2009 by Daniel Stenberg
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* Neither the name of the copyright holder nor the names
|
|
* of any other contributors may be used to endorse or
|
|
* promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
|
|
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
|
* OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef LIBSSH2_H
|
|
#define LIBSSH2_H 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
/* Allow alternate API prefix from CFLAGS or calling app */
|
|
#ifndef LIBSSH2_API
|
|
# ifdef LIBSSH2_WIN32
|
|
# ifdef LIBSSH2_LIBRARY
|
|
# define LIBSSH2_API __declspec(dllexport)
|
|
# else
|
|
# define LIBSSH2_API __declspec(dllimport)
|
|
# endif /* LIBSSH2_LIBRARY */
|
|
# else /* !LIBSSH2_WIN32 */
|
|
# define LIBSSH2_API
|
|
# endif /* LIBSSH2_WIN32 */
|
|
#endif /* LIBSSH2_API */
|
|
|
|
#if defined(LIBSSH2_DARWIN) || (defined(LIBSSH2_WIN32) && \
|
|
!defined(_MSC_VER) && !defined(__MINGW32__))
|
|
# include <sys/uio.h>
|
|
#endif
|
|
|
|
#if (defined(NETWARE) && !defined(__NOVELL_LIBC__))
|
|
# include <sys/bsdskt.h>
|
|
typedef unsigned int uint32_t;
|
|
#endif
|
|
|
|
#if defined(LIBSSH2_WIN32) && defined(_MSC_VER) && (_MSC_VER <= 1400)
|
|
typedef unsigned __int64 libssh2_uint64_t;
|
|
typedef __int64 libssh2_int64_t;
|
|
typedef unsigned int uint32_t;
|
|
#ifndef _SSIZE_T_DEFINED
|
|
typedef int ssize_t;
|
|
#define _SSIZE_T_DEFINED
|
|
#endif
|
|
#else
|
|
typedef unsigned long long libssh2_uint64_t;
|
|
typedef long long libssh2_int64_t;
|
|
#endif
|
|
|
|
/* We use underscore instead of dash when appending DEV in dev versions just
|
|
to make the BANNER define (used by src/session.c) be a valid SSH
|
|
banner. Release versions have no appended strings and may of course not
|
|
have dashes either. */
|
|
#define LIBSSH2_VERSION "1.2.2_DEV"
|
|
|
|
/* The numeric version number is also available "in parts" by using these
|
|
defines: */
|
|
#define LIBSSH2_VERSION_MAJOR 1
|
|
#define LIBSSH2_VERSION_MINOR 2
|
|
#define LIBSSH2_VERSION_PATCH 2
|
|
|
|
/* This is the numeric version of the libssh2 version number, meant for easier
|
|
parsing and comparions by programs. The LIBSSH2_VERSION_NUM define will
|
|
always follow this syntax:
|
|
|
|
0xXXYYZZ
|
|
|
|
Where XX, YY and ZZ are the main version, release and patch numbers in
|
|
hexadecimal (using 8 bits each). All three numbers are always represented
|
|
using two digits. 1.2 would appear as "0x010200" while version 9.11.7
|
|
appears as "0x090b07".
|
|
|
|
This 6-digit (24 bits) hexadecimal number does not show pre-release number,
|
|
and it is always a greater number in a more recent release. It makes
|
|
comparisons with greater than and less than work.
|
|
*/
|
|
#define LIBSSH2_VERSION_NUM 0x010202
|
|
|
|
/*
|
|
* This is the date and time when the full source package was created. The
|
|
* timestamp is not stored in the source code repo, as the timestamp is
|
|
* properly set in the tarballs by the maketgz script.
|
|
*
|
|
* The format of the date should follow this template:
|
|
*
|
|
* "Mon Feb 12 11:35:33 UTC 2007"
|
|
*/
|
|
#define LIBSSH2_TIMESTAMP "DEV"
|
|
|
|
/* Part of every banner, user specified or not */
|
|
#define LIBSSH2_SSH_BANNER "SSH-2.0-libssh2_" LIBSSH2_VERSION
|
|
|
|
/* We *could* add a comment here if we so chose */
|
|
#define LIBSSH2_SSH_DEFAULT_BANNER LIBSSH2_SSH_BANNER
|
|
#define LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF LIBSSH2_SSH_DEFAULT_BANNER "\r\n"
|
|
|
|
/* Default generate and safe prime sizes for diffie-hellman-group-exchange-sha1 */
|
|
#define LIBSSH2_DH_GEX_MINGROUP 1024
|
|
#define LIBSSH2_DH_GEX_OPTGROUP 1536
|
|
#define LIBSSH2_DH_GEX_MAXGROUP 2048
|
|
|
|
/* Defaults for pty requests */
|
|
#define LIBSSH2_TERM_WIDTH 80
|
|
#define LIBSSH2_TERM_HEIGHT 24
|
|
#define LIBSSH2_TERM_WIDTH_PX 0
|
|
#define LIBSSH2_TERM_HEIGHT_PX 0
|
|
|
|
/* 1/4 second */
|
|
#define LIBSSH2_SOCKET_POLL_UDELAY 250000
|
|
/* 0.25 * 120 == 30 seconds */
|
|
#define LIBSSH2_SOCKET_POLL_MAXLOOPS 120
|
|
|
|
/* Maximum size to allow a payload to compress to, plays it safe by falling
|
|
short of spec limits */
|
|
#define LIBSSH2_PACKET_MAXCOMP 32000
|
|
|
|
/* Maximum size to allow a payload to deccompress to, plays it safe by
|
|
allowing more than spec requires */
|
|
#define LIBSSH2_PACKET_MAXDECOMP 40000
|
|
|
|
/* Maximum size for an inbound compressed payload, plays it safe by
|
|
overshooting spec limits */
|
|
#define LIBSSH2_PACKET_MAXPAYLOAD 40000
|
|
|
|
/* Malloc callbacks */
|
|
#define LIBSSH2_ALLOC_FUNC(name) void *name(size_t count, void **abstract)
|
|
#define LIBSSH2_REALLOC_FUNC(name) void *name(void *ptr, size_t count, \
|
|
void **abstract)
|
|
#define LIBSSH2_FREE_FUNC(name) void name(void *ptr, void **abstract)
|
|
|
|
typedef struct _LIBSSH2_USERAUTH_KBDINT_PROMPT
|
|
{
|
|
char* text;
|
|
unsigned int length;
|
|
unsigned char echo;
|
|
} LIBSSH2_USERAUTH_KBDINT_PROMPT;
|
|
|
|
typedef struct _LIBSSH2_USERAUTH_KBDINT_RESPONSE
|
|
{
|
|
char* text;
|
|
unsigned int length;
|
|
} LIBSSH2_USERAUTH_KBDINT_RESPONSE;
|
|
|
|
/* 'keyboard-interactive' authentication callback */
|
|
#define LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC(name_) \
|
|
void name_(const char* name, int name_len, const char* instruction, \
|
|
int instruction_len, int num_prompts, \
|
|
const LIBSSH2_USERAUTH_KBDINT_PROMPT* prompts, \
|
|
LIBSSH2_USERAUTH_KBDINT_RESPONSE* responses, void **abstract)
|
|
|
|
/* Callbacks for special SSH packets */
|
|
#define LIBSSH2_IGNORE_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, const char *message, int message_len, \
|
|
void **abstract)
|
|
|
|
#define LIBSSH2_DEBUG_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, int always_display, const char *message, \
|
|
int message_len, const char *language, int language_len, \
|
|
void **abstract)
|
|
|
|
#define LIBSSH2_DISCONNECT_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, int reason, const char *message, \
|
|
int message_len, const char *language, int language_len, \
|
|
void **abstract)
|
|
|
|
#define LIBSSH2_PASSWD_CHANGEREQ_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, char **newpw, int *newpw_len, \
|
|
void **abstract)
|
|
|
|
#define LIBSSH2_MACERROR_FUNC(name) \
|
|
int name(LIBSSH2_SESSION *session, const char *packet, int packet_len, \
|
|
void **abstract)
|
|
|
|
#define LIBSSH2_X11_OPEN_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, LIBSSH2_CHANNEL *channel, \
|
|
const char *shost, int sport, void **abstract)
|
|
|
|
#define LIBSSH2_CHANNEL_CLOSE_FUNC(name) \
|
|
void name(LIBSSH2_SESSION *session, void **session_abstract, \
|
|
LIBSSH2_CHANNEL *channel, void **channel_abstract)
|
|
|
|
/* libssh2_session_callback_set() constants */
|
|
#define LIBSSH2_CALLBACK_IGNORE 0
|
|
#define LIBSSH2_CALLBACK_DEBUG 1
|
|
#define LIBSSH2_CALLBACK_DISCONNECT 2
|
|
#define LIBSSH2_CALLBACK_MACERROR 3
|
|
#define LIBSSH2_CALLBACK_X11 4
|
|
|
|
/* libssh2_session_method_pref() constants */
|
|
#define LIBSSH2_METHOD_KEX 0
|
|
#define LIBSSH2_METHOD_HOSTKEY 1
|
|
#define LIBSSH2_METHOD_CRYPT_CS 2
|
|
#define LIBSSH2_METHOD_CRYPT_SC 3
|
|
#define LIBSSH2_METHOD_MAC_CS 4
|
|
#define LIBSSH2_METHOD_MAC_SC 5
|
|
#define LIBSSH2_METHOD_COMP_CS 6
|
|
#define LIBSSH2_METHOD_COMP_SC 7
|
|
#define LIBSSH2_METHOD_LANG_CS 8
|
|
#define LIBSSH2_METHOD_LANG_SC 9
|
|
|
|
/* session.flags bits */
|
|
#define LIBSSH2_FLAG_SIGPIPE 0x00000001
|
|
|
|
typedef struct _LIBSSH2_SESSION LIBSSH2_SESSION;
|
|
typedef struct _LIBSSH2_CHANNEL LIBSSH2_CHANNEL;
|
|
typedef struct _LIBSSH2_LISTENER LIBSSH2_LISTENER;
|
|
typedef struct _LIBSSH2_KNOWNHOSTS LIBSSH2_KNOWNHOSTS;
|
|
|
|
typedef struct _LIBSSH2_POLLFD {
|
|
unsigned char type; /* LIBSSH2_POLLFD_* below */
|
|
|
|
union {
|
|
int socket; /* File descriptors -- examined with system select() call */
|
|
LIBSSH2_CHANNEL *channel; /* Examined by checking internal state */
|
|
LIBSSH2_LISTENER *listener; /* Read polls only -- are inbound
|
|
connections waiting to be accepted? */
|
|
} fd;
|
|
|
|
unsigned long events; /* Requested Events */
|
|
unsigned long revents; /* Returned Events */
|
|
} LIBSSH2_POLLFD;
|
|
|
|
/* Poll FD Descriptor Types */
|
|
#define LIBSSH2_POLLFD_SOCKET 1
|
|
#define LIBSSH2_POLLFD_CHANNEL 2
|
|
#define LIBSSH2_POLLFD_LISTENER 3
|
|
|
|
/* Note: Win32 Doesn't actually have a poll() implementation, so some of these
|
|
values are faked with select() data */
|
|
/* Poll FD events/revents -- Match sys/poll.h where possible */
|
|
#define LIBSSH2_POLLFD_POLLIN 0x0001 /* Data available to be read or
|
|
connection available --
|
|
All */
|
|
#define LIBSSH2_POLLFD_POLLPRI 0x0002 /* Priority data available to
|
|
be read -- Socket only */
|
|
#define LIBSSH2_POLLFD_POLLEXT 0x0002 /* Extended data available to
|
|
be read -- Channel only */
|
|
#define LIBSSH2_POLLFD_POLLOUT 0x0004 /* Can may be written --
|
|
Socket/Channel */
|
|
/* revents only */
|
|
#define LIBSSH2_POLLFD_POLLERR 0x0008 /* Error Condition -- Socket */
|
|
#define LIBSSH2_POLLFD_POLLHUP 0x0010 /* HangUp/EOF -- Socket */
|
|
#define LIBSSH2_POLLFD_SESSION_CLOSED 0x0010 /* Session Disconnect */
|
|
#define LIBSSH2_POLLFD_POLLNVAL 0x0020 /* Invalid request -- Socket
|
|
Only */
|
|
#define LIBSSH2_POLLFD_POLLEX 0x0040 /* Exception Condition --
|
|
Socket/Win32 */
|
|
#define LIBSSH2_POLLFD_CHANNEL_CLOSED 0x0080 /* Channel Disconnect */
|
|
#define LIBSSH2_POLLFD_LISTENER_CLOSED 0x0080 /* Listener Disconnect */
|
|
|
|
#define HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
|
|
/* Block Direction Types */
|
|
#define LIBSSH2_SESSION_BLOCK_INBOUND 0x0001
|
|
#define LIBSSH2_SESSION_BLOCK_OUTBOUND 0x0002
|
|
|
|
/* Hash Types */
|
|
#define LIBSSH2_HOSTKEY_HASH_MD5 1
|
|
#define LIBSSH2_HOSTKEY_HASH_SHA1 2
|
|
|
|
/* Hostkey Types */
|
|
#define LIBSSH2_HOSTKEY_TYPE_UNKNOWN 0
|
|
#define LIBSSH2_HOSTKEY_TYPE_RSA 1
|
|
#define LIBSSH2_HOSTKEY_TYPE_DSS 2
|
|
|
|
/* Disconnect Codes (defined by SSH protocol) */
|
|
#define SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
|
|
#define SSH_DISCONNECT_PROTOCOL_ERROR 2
|
|
#define SSH_DISCONNECT_KEY_EXCHANGE_FAILED 3
|
|
#define SSH_DISCONNECT_RESERVED 4
|
|
#define SSH_DISCONNECT_MAC_ERROR 5
|
|
#define SSH_DISCONNECT_COMPRESSION_ERROR 6
|
|
#define SSH_DISCONNECT_SERVICE_NOT_AVAILABLE 7
|
|
#define SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
|
|
#define SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
|
|
#define SSH_DISCONNECT_CONNECTION_LOST 10
|
|
#define SSH_DISCONNECT_BY_APPLICATION 11
|
|
#define SSH_DISCONNECT_TOO_MANY_CONNECTIONS 12
|
|
#define SSH_DISCONNECT_AUTH_CANCELLED_BY_USER 13
|
|
#define SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
|
|
#define SSH_DISCONNECT_ILLEGAL_USER_NAME 15
|
|
|
|
/* Error Codes (defined by libssh2) */
|
|
#define LIBSSH2_ERROR_NONE 0
|
|
#define LIBSSH2_ERROR_SOCKET_NONE -1
|
|
#define LIBSSH2_ERROR_BANNER_NONE -2
|
|
#define LIBSSH2_ERROR_BANNER_SEND -3
|
|
#define LIBSSH2_ERROR_INVALID_MAC -4
|
|
#define LIBSSH2_ERROR_KEX_FAILURE -5
|
|
#define LIBSSH2_ERROR_ALLOC -6
|
|
#define LIBSSH2_ERROR_SOCKET_SEND -7
|
|
#define LIBSSH2_ERROR_KEY_EXCHANGE_FAILURE -8
|
|
#define LIBSSH2_ERROR_TIMEOUT -9
|
|
#define LIBSSH2_ERROR_HOSTKEY_INIT -10
|
|
#define LIBSSH2_ERROR_HOSTKEY_SIGN -11
|
|
#define LIBSSH2_ERROR_DECRYPT -12
|
|
#define LIBSSH2_ERROR_SOCKET_DISCONNECT -13
|
|
#define LIBSSH2_ERROR_PROTO -14
|
|
#define LIBSSH2_ERROR_PASSWORD_EXPIRED -15
|
|
#define LIBSSH2_ERROR_FILE -16
|
|
#define LIBSSH2_ERROR_METHOD_NONE -17
|
|
#define LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED -18
|
|
#define LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED -19
|
|
#define LIBSSH2_ERROR_CHANNEL_OUTOFORDER -20
|
|
#define LIBSSH2_ERROR_CHANNEL_FAILURE -21
|
|
#define LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED -22
|
|
#define LIBSSH2_ERROR_CHANNEL_UNKNOWN -23
|
|
#define LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED -24
|
|
#define LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED -25
|
|
#define LIBSSH2_ERROR_CHANNEL_CLOSED -26
|
|
#define LIBSSH2_ERROR_CHANNEL_EOF_SENT -27
|
|
#define LIBSSH2_ERROR_SCP_PROTOCOL -28
|
|
#define LIBSSH2_ERROR_ZLIB -29
|
|
#define LIBSSH2_ERROR_SOCKET_TIMEOUT -30
|
|
#define LIBSSH2_ERROR_SFTP_PROTOCOL -31
|
|
#define LIBSSH2_ERROR_REQUEST_DENIED -32
|
|
#define LIBSSH2_ERROR_METHOD_NOT_SUPPORTED -33
|
|
#define LIBSSH2_ERROR_INVAL -34
|
|
#define LIBSSH2_ERROR_INVALID_POLL_TYPE -35
|
|
#define LIBSSH2_ERROR_PUBLICKEY_PROTOCOL -36
|
|
#define LIBSSH2_ERROR_EAGAIN -37
|
|
#define LIBSSH2_ERROR_BUFFER_TOO_SMALL -38
|
|
#define LIBSSH2_ERROR_BAD_USE -39
|
|
#define LIBSSH2_ERROR_COMPRESS -40
|
|
#define LIBSSH2_ERROR_OUT_OF_BOUNDARY -41
|
|
|
|
/* Session API */
|
|
LIBSSH2_API LIBSSH2_SESSION *
|
|
libssh2_session_init_ex(LIBSSH2_ALLOC_FUNC((*my_alloc)),
|
|
LIBSSH2_FREE_FUNC((*my_free)),
|
|
LIBSSH2_REALLOC_FUNC((*my_realloc)), void *abstract);
|
|
#define libssh2_session_init() libssh2_session_init_ex(NULL, NULL, NULL, NULL)
|
|
|
|
LIBSSH2_API void **libssh2_session_abstract(LIBSSH2_SESSION *session);
|
|
|
|
LIBSSH2_API void *libssh2_session_callback_set(LIBSSH2_SESSION *session,
|
|
int cbtype, void *callback);
|
|
LIBSSH2_API int libssh2_banner_set(LIBSSH2_SESSION *session,
|
|
const char *banner);
|
|
|
|
LIBSSH2_API int libssh2_session_startup(LIBSSH2_SESSION *session, int sock);
|
|
LIBSSH2_API int libssh2_session_disconnect_ex(LIBSSH2_SESSION *session,
|
|
int reason,
|
|
const char *description,
|
|
const char *lang);
|
|
#define libssh2_session_disconnect(session, description) \
|
|
libssh2_session_disconnect_ex((session), SSH_DISCONNECT_BY_APPLICATION, \
|
|
(description), "")
|
|
|
|
LIBSSH2_API int libssh2_session_free(LIBSSH2_SESSION *session);
|
|
|
|
LIBSSH2_API const char *libssh2_hostkey_hash(LIBSSH2_SESSION *session,
|
|
int hash_type);
|
|
|
|
LIBSSH2_API const char *libssh2_session_hostkey(LIBSSH2_SESSION *session,
|
|
size_t *len, int *type);
|
|
|
|
LIBSSH2_API int libssh2_session_method_pref(LIBSSH2_SESSION *session,
|
|
int method_type,
|
|
const char *prefs);
|
|
LIBSSH2_API const char *libssh2_session_methods(LIBSSH2_SESSION *session,
|
|
int method_type);
|
|
LIBSSH2_API int libssh2_session_last_error(LIBSSH2_SESSION *session,
|
|
char **errmsg,
|
|
int *errmsg_len, int want_buf);
|
|
LIBSSH2_API int libssh2_session_last_errno(LIBSSH2_SESSION *session);
|
|
LIBSSH2_API int libssh2_session_block_directions(LIBSSH2_SESSION *session);
|
|
|
|
LIBSSH2_API int libssh2_session_flag(LIBSSH2_SESSION *session, int flag,
|
|
int value);
|
|
|
|
/* Userauth API */
|
|
LIBSSH2_API char *libssh2_userauth_list(LIBSSH2_SESSION *session,
|
|
const char *username,
|
|
unsigned int username_len);
|
|
LIBSSH2_API int libssh2_userauth_authenticated(LIBSSH2_SESSION *session);
|
|
|
|
LIBSSH2_API int libssh2_userauth_password_ex(LIBSSH2_SESSION *session,
|
|
const char *username,
|
|
unsigned int username_len,
|
|
const char *password,
|
|
unsigned int password_len,
|
|
LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb)));
|
|
|
|
#define libssh2_userauth_password(session, username, password) \
|
|
libssh2_userauth_password_ex((session), (username), strlen(username), \
|
|
(password), strlen(password), NULL)
|
|
|
|
LIBSSH2_API int
|
|
libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session,
|
|
const char *username,
|
|
unsigned int username_len,
|
|
const char *publickey,
|
|
const char *privatekey,
|
|
const char *passphrase);
|
|
|
|
#define libssh2_userauth_publickey_fromfile(session, username, publickey, \
|
|
privatekey, passphrase) \
|
|
libssh2_userauth_publickey_fromfile_ex((session), (username), \
|
|
strlen(username), (publickey), \
|
|
(privatekey), (passphrase))
|
|
|
|
LIBSSH2_API int
|
|
libssh2_userauth_hostbased_fromfile_ex(LIBSSH2_SESSION *session,
|
|
const char *username,
|
|
unsigned int username_len,
|
|
const char *publickey,
|
|
const char *privatekey,
|
|
const char *passphrase,
|
|
const char *hostname,
|
|
unsigned int hostname_len,
|
|
const char *local_username,
|
|
unsigned int local_username_len);
|
|
|
|
#define libssh2_userauth_hostbased_fromfile(session, username, publickey, \
|
|
privatekey, passphrase, hostname) \
|
|
libssh2_userauth_hostbased_fromfile_ex((session), (username), \
|
|
strlen(username), (publickey), \
|
|
(privatekey), (passphrase), \
|
|
(hostname), strlen(hostname), \
|
|
(username), strlen(username))
|
|
|
|
/*
|
|
* response_callback is provided with filled by library prompts array,
|
|
* but client must allocate and fill individual responses. Responses
|
|
* array is already allocated. Responses data will be freed by libssh2
|
|
* after callback return, but before subsequent callback invokation.
|
|
*/
|
|
LIBSSH2_API int
|
|
libssh2_userauth_keyboard_interactive_ex(LIBSSH2_SESSION* session,
|
|
const char *username,
|
|
unsigned int username_len,
|
|
LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC((*response_callback)));
|
|
|
|
#define libssh2_userauth_keyboard_interactive(session, username, \
|
|
response_callback) \
|
|
libssh2_userauth_keyboard_interactive_ex((session), (username), \
|
|
strlen(username), (response_callback))
|
|
|
|
LIBSSH2_API int libssh2_poll(LIBSSH2_POLLFD *fds, unsigned int nfds,
|
|
long timeout);
|
|
|
|
/* Channel API */
|
|
#define LIBSSH2_CHANNEL_WINDOW_DEFAULT 65536
|
|
#define LIBSSH2_CHANNEL_PACKET_DEFAULT 32768
|
|
#define LIBSSH2_CHANNEL_MINADJUST 1024
|
|
|
|
/* Extended Data Handling */
|
|
#define LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL 0
|
|
#define LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE 1
|
|
#define LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE 2
|
|
|
|
#define SSH_EXTENDED_DATA_STDERR 1
|
|
|
|
/* Returned by any function that would block during a read/write opperation */
|
|
#define LIBSSH2CHANNEL_EAGAIN LIBSSH2_ERROR_EAGAIN
|
|
|
|
LIBSSH2_API LIBSSH2_CHANNEL *
|
|
libssh2_channel_open_ex(LIBSSH2_SESSION *session, const char *channel_type,
|
|
unsigned int channel_type_len,
|
|
unsigned int window_size, unsigned int packet_size,
|
|
const char *message, unsigned int message_len);
|
|
|
|
#define libssh2_channel_open_session(session) \
|
|
libssh2_channel_open_ex((session), "session", sizeof("session") - 1, \
|
|
LIBSSH2_CHANNEL_WINDOW_DEFAULT, \
|
|
LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, 0)
|
|
|
|
LIBSSH2_API LIBSSH2_CHANNEL *
|
|
libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host,
|
|
int port, const char *shost, int sport);
|
|
#define libssh2_channel_direct_tcpip(session, host, port) \
|
|
libssh2_channel_direct_tcpip_ex((session), (host), (port), "127.0.0.1", 22)
|
|
|
|
LIBSSH2_API LIBSSH2_LISTENER *
|
|
libssh2_channel_forward_listen_ex(LIBSSH2_SESSION *session, const char *host,
|
|
int port, int *bound_port, int queue_maxsize);
|
|
#define libssh2_channel_forward_listen(session, port) \
|
|
libssh2_channel_forward_listen_ex((session), NULL, (port), NULL, 16)
|
|
|
|
LIBSSH2_API int libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener);
|
|
|
|
LIBSSH2_API LIBSSH2_CHANNEL *
|
|
libssh2_channel_forward_accept(LIBSSH2_LISTENER *listener);
|
|
|
|
LIBSSH2_API int libssh2_channel_setenv_ex(LIBSSH2_CHANNEL *channel,
|
|
const char *varname,
|
|
unsigned int varname_len,
|
|
const char *value,
|
|
unsigned int value_len);
|
|
|
|
#define libssh2_channel_setenv(channel, varname, value) \
|
|
libssh2_channel_setenv_ex((channel), (varname), strlen(varname), (value), \
|
|
strlen(value))
|
|
|
|
LIBSSH2_API int libssh2_channel_request_pty_ex(LIBSSH2_CHANNEL *channel,
|
|
const char *term,
|
|
unsigned int term_len,
|
|
const char *modes,
|
|
unsigned int modes_len,
|
|
int width, int height,
|
|
int width_px, int height_px);
|
|
#define libssh2_channel_request_pty(channel, term) \
|
|
libssh2_channel_request_pty_ex((channel), (term), strlen(term), NULL, 0, \
|
|
LIBSSH2_TERM_WIDTH, LIBSSH2_TERM_HEIGHT, \
|
|
LIBSSH2_TERM_WIDTH_PX, LIBSSH2_TERM_HEIGHT_PX)
|
|
|
|
LIBSSH2_API int libssh2_channel_request_pty_size_ex(LIBSSH2_CHANNEL *channel,
|
|
int width, int height,
|
|
int width_px,
|
|
int height_px);
|
|
#define libssh2_channel_request_pty_size(channel, width, height) \
|
|
libssh2_channel_request_pty_size_ex( (channel), (width), (height), 0, 0)
|
|
|
|
LIBSSH2_API int libssh2_channel_x11_req_ex(LIBSSH2_CHANNEL *channel,
|
|
int single_connection,
|
|
const char *auth_proto,
|
|
const char *auth_cookie,
|
|
int screen_number);
|
|
#define libssh2_channel_x11_req(channel, screen_number) \
|
|
libssh2_channel_x11_req_ex((channel), 0, NULL, NULL, (screen_number))
|
|
|
|
LIBSSH2_API int libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel,
|
|
const char *request,
|
|
unsigned int request_len,
|
|
const char *message,
|
|
unsigned int message_len);
|
|
#define libssh2_channel_shell(channel) \
|
|
libssh2_channel_process_startup((channel), "shell", sizeof("shell") - 1, \
|
|
NULL, 0)
|
|
#define libssh2_channel_exec(channel, command) \
|
|
libssh2_channel_process_startup((channel), "exec", sizeof("exec") - 1, \
|
|
(command), strlen(command))
|
|
#define libssh2_channel_subsystem(channel, subsystem) \
|
|
libssh2_channel_process_startup((channel), "subsystem", \
|
|
sizeof("subsystem") - 1, (subsystem), \
|
|
strlen(subsystem))
|
|
|
|
LIBSSH2_API ssize_t libssh2_channel_read_ex(LIBSSH2_CHANNEL *channel,
|
|
int stream_id, char *buf,
|
|
size_t buflen);
|
|
#define libssh2_channel_read(channel, buf, buflen) \
|
|
libssh2_channel_read_ex((channel), 0, (buf), (buflen))
|
|
#define libssh2_channel_read_stderr(channel, buf, buflen) \
|
|
libssh2_channel_read_ex((channel), SSH_EXTENDED_DATA_STDERR, (buf), (buflen))
|
|
|
|
LIBSSH2_API int libssh2_poll_channel_read(LIBSSH2_CHANNEL *channel,
|
|
int extended);
|
|
|
|
LIBSSH2_API unsigned long
|
|
libssh2_channel_window_read_ex(LIBSSH2_CHANNEL *channel,
|
|
unsigned long *read_avail,
|
|
unsigned long *window_size_initial);
|
|
#define libssh2_channel_window_read(channel) \
|
|
libssh2_channel_window_read_ex((channel), NULL, NULL)
|
|
|
|
/* libssh2_channel_receive_window_adjust is DEPRECATED, do not use! */
|
|
LIBSSH2_API unsigned long
|
|
libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL *channel,
|
|
unsigned long adjustment,
|
|
unsigned char force);
|
|
|
|
LIBSSH2_API int
|
|
libssh2_channel_receive_window_adjust2(LIBSSH2_CHANNEL *channel,
|
|
unsigned long adjustment,
|
|
unsigned char force,
|
|
unsigned int *storewindow);
|
|
|
|
LIBSSH2_API ssize_t libssh2_channel_write_ex(LIBSSH2_CHANNEL *channel,
|
|
int stream_id, const char *buf,
|
|
size_t buflen);
|
|
|
|
#define libssh2_channel_write(channel, buf, buflen) \
|
|
libssh2_channel_write_ex((channel), 0, (buf), (buflen))
|
|
#define libssh2_channel_write_stderr(channel, buf, buflen) \
|
|
libssh2_channel_write_ex((channel), SSH_EXTENDED_DATA_STDERR, (buf), (buflen))
|
|
|
|
LIBSSH2_API unsigned long
|
|
libssh2_channel_window_write_ex(LIBSSH2_CHANNEL *channel,
|
|
unsigned long *window_size_initial);
|
|
#define libssh2_channel_window_write(channel) \
|
|
libssh2_channel_window_write_ex((channel), NULL)
|
|
|
|
LIBSSH2_API void libssh2_session_set_blocking(LIBSSH2_SESSION* session,
|
|
int blocking);
|
|
LIBSSH2_API int libssh2_session_get_blocking(LIBSSH2_SESSION* session);
|
|
|
|
LIBSSH2_API void libssh2_channel_set_blocking(LIBSSH2_CHANNEL *channel,
|
|
int blocking);
|
|
|
|
/* libssh2_channel_handle_extended_data is DEPRECATED, do not use! */
|
|
LIBSSH2_API void libssh2_channel_handle_extended_data(LIBSSH2_CHANNEL *channel,
|
|
int ignore_mode);
|
|
LIBSSH2_API int libssh2_channel_handle_extended_data2(LIBSSH2_CHANNEL *channel,
|
|
int ignore_mode);
|
|
|
|
/* libssh2_channel_ignore_extended_data() is defined below for BC with version
|
|
* 0.1
|
|
*
|
|
* Future uses should use libssh2_channel_handle_extended_data() directly if
|
|
* LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE is passed, extended data will be read
|
|
* (FIFO) from the standard data channel
|
|
*/
|
|
/* DEPRECATED */
|
|
#define libssh2_channel_ignore_extended_data(channel, ignore) \
|
|
libssh2_channel_handle_extended_data((channel), \
|
|
(ignore) ? \
|
|
LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE : \
|
|
LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL )
|
|
|
|
#define LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA -1
|
|
#define LIBSSH2_CHANNEL_FLUSH_ALL -2
|
|
LIBSSH2_API int libssh2_channel_flush_ex(LIBSSH2_CHANNEL *channel,
|
|
int streamid);
|
|
#define libssh2_channel_flush(channel) libssh2_channel_flush_ex((channel), 0)
|
|
#define libssh2_channel_flush_stderr(channel) \
|
|
libssh2_channel_flush_ex((channel), SSH_EXTENDED_DATA_STDERR)
|
|
|
|
LIBSSH2_API int libssh2_channel_get_exit_status(LIBSSH2_CHANNEL* channel);
|
|
LIBSSH2_API int libssh2_channel_send_eof(LIBSSH2_CHANNEL *channel);
|
|
LIBSSH2_API int libssh2_channel_eof(LIBSSH2_CHANNEL *channel);
|
|
LIBSSH2_API int libssh2_channel_wait_eof(LIBSSH2_CHANNEL *channel);
|
|
LIBSSH2_API int libssh2_channel_close(LIBSSH2_CHANNEL *channel);
|
|
LIBSSH2_API int libssh2_channel_wait_closed(LIBSSH2_CHANNEL *channel);
|
|
LIBSSH2_API int libssh2_channel_free(LIBSSH2_CHANNEL *channel);
|
|
|
|
LIBSSH2_API LIBSSH2_CHANNEL *libssh2_scp_recv(LIBSSH2_SESSION *session,
|
|
const char *path,
|
|
struct stat *sb);
|
|
LIBSSH2_API LIBSSH2_CHANNEL *libssh2_scp_send_ex(LIBSSH2_SESSION *session,
|
|
const char *path, int mode,
|
|
size_t size, long mtime,
|
|
long atime);
|
|
#define libssh2_scp_send(session, path, mode, size) \
|
|
libssh2_scp_send_ex((session), (path), (mode), (size), 0, 0)
|
|
|
|
LIBSSH2_API int libssh2_base64_decode(LIBSSH2_SESSION *session, char **dest,
|
|
unsigned int *dest_len,
|
|
const char *src, unsigned int src_len);
|
|
|
|
LIBSSH2_API
|
|
const char *libssh2_version(int req_version_num);
|
|
|
|
#define HAVE_LIBSSH2_KNOWNHOST_API 0x010101 /* since 1.1.1 */
|
|
#define HAVE_LIBSSH2_VERSION_API 0x010100 /* libssh2_version since 1.1 */
|
|
|
|
struct libssh2_knownhost {
|
|
unsigned int magic; /* magic stored by the library */
|
|
void *node; /* handle to the internal representation of this host */
|
|
char *name; /* this is NULL if no plain text host name exists */
|
|
char *key; /* key in base64/printable format */
|
|
int typemask;
|
|
};
|
|
|
|
/*
|
|
* libssh2_knownhost_init
|
|
*
|
|
* Init a collection of known hosts. Returns the pointer to a collection.
|
|
*
|
|
*/
|
|
LIBSSH2_API LIBSSH2_KNOWNHOSTS *
|
|
libssh2_knownhost_init(LIBSSH2_SESSION *session);
|
|
|
|
/*
|
|
* libssh2_knownhost_add
|
|
*
|
|
* Add a host and its associated key to the collection of known hosts.
|
|
*
|
|
* The 'type' argument specifies on what format the given host is:
|
|
*
|
|
* plain - ascii "hostname.domain.tld"
|
|
* sha1 - SHA1(<salt> <host>) base64-encoded!
|
|
* custom - another hash
|
|
*
|
|
* If 'sha1' is selected as type, the salt must be provided to the salt
|
|
* argument. This too base64 encoded.
|
|
*
|
|
* The SHA-1 hash is what OpenSSH can be told to use in known_hosts files. If
|
|
* a custom type is used, salt is ignored and you must provide the host
|
|
* pre-hashed when checking for it in the libssh2_knownhost_check() function.
|
|
*
|
|
*/
|
|
|
|
/* host format (2 bits) */
|
|
#define LIBSSH2_KNOWNHOST_TYPE_MASK 0xffff
|
|
#define LIBSSH2_KNOWNHOST_TYPE_PLAIN 1
|
|
#define LIBSSH2_KNOWNHOST_TYPE_SHA1 2 /* always base64 encoded */
|
|
#define LIBSSH2_KNOWNHOST_TYPE_CUSTOM 3
|
|
|
|
/* key format (2 bits) */
|
|
#define LIBSSH2_KNOWNHOST_KEYENC_MASK (3<<16)
|
|
#define LIBSSH2_KNOWNHOST_KEYENC_RAW (1<<16)
|
|
#define LIBSSH2_KNOWNHOST_KEYENC_BASE64 (2<<16)
|
|
|
|
/* type of key (2 bits) */
|
|
#define LIBSSH2_KNOWNHOST_KEY_MASK (3<<18)
|
|
#define LIBSSH2_KNOWNHOST_KEY_SHIFT 18
|
|
#define LIBSSH2_KNOWNHOST_KEY_RSA1 (1<<18)
|
|
#define LIBSSH2_KNOWNHOST_KEY_SSHRSA (2<<18)
|
|
#define LIBSSH2_KNOWNHOST_KEY_SSHDSS (3<<18)
|
|
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_add(LIBSSH2_KNOWNHOSTS *hosts,
|
|
const char *host,
|
|
const char *salt,
|
|
const char *key, size_t keylen, int typemask,
|
|
struct libssh2_knownhost **store);
|
|
|
|
/*
|
|
* libssh2_knownhost_check
|
|
*
|
|
* Check a host and its associated key against the collection of known hosts.
|
|
*
|
|
* The type is the type/format of the given host name.
|
|
*
|
|
* plain - ascii "hostname.domain.tld"
|
|
* custom - prehashed base64 encoded. Note that this cannot use any salts.
|
|
*
|
|
*
|
|
* 'knownhost' may be set to NULL if you don't care about that info.
|
|
*
|
|
* Returns:
|
|
*
|
|
* LIBSSH2_KNOWNHOST_CHECK_* values, see below
|
|
*
|
|
*/
|
|
|
|
#define LIBSSH2_KNOWNHOST_CHECK_MATCH 0
|
|
#define LIBSSH2_KNOWNHOST_CHECK_MISMATCH 1
|
|
#define LIBSSH2_KNOWNHOST_CHECK_NOTFOUND 2
|
|
#define LIBSSH2_KNOWNHOST_CHECK_FAILURE 3
|
|
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_check(LIBSSH2_KNOWNHOSTS *hosts,
|
|
const char *host, const char *key, size_t keylen,
|
|
int typemask,
|
|
struct libssh2_knownhost **knownhost);
|
|
|
|
/*
|
|
* libssh2_knownhost_del
|
|
*
|
|
* Remove a host from the collection of known hosts. The 'entry' struct is
|
|
* retrieved by a call to libssh2_knownhost_check().
|
|
*
|
|
*/
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_del(LIBSSH2_KNOWNHOSTS *hosts,
|
|
struct libssh2_knownhost *entry);
|
|
|
|
/*
|
|
* libssh2_knownhost_free
|
|
*
|
|
* Free an entire collection of known hosts.
|
|
*
|
|
*/
|
|
LIBSSH2_API void
|
|
libssh2_knownhost_free(LIBSSH2_KNOWNHOSTS *hosts);
|
|
|
|
/*
|
|
* libssh2_knownhost_readline()
|
|
*
|
|
* Pass in a line of a file of 'type'. It makes libssh2 read this line.
|
|
*
|
|
* LIBSSH2_KNOWNHOST_FILE_OPENSSH is the only supported type.
|
|
*
|
|
*/
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_readline(LIBSSH2_KNOWNHOSTS *hosts,
|
|
const char *line, size_t len, int type);
|
|
|
|
/*
|
|
* libssh2_knownhost_readfile
|
|
*
|
|
* Add hosts+key pairs from a given file.
|
|
*
|
|
* Returns a negative value for error or number of successfully added hosts.
|
|
*
|
|
* This implementation currently only knows one 'type' (openssh), all others
|
|
* are reserved for future use.
|
|
*/
|
|
|
|
#define LIBSSH2_KNOWNHOST_FILE_OPENSSH 1
|
|
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_readfile(LIBSSH2_KNOWNHOSTS *hosts,
|
|
const char *filename, int type);
|
|
|
|
/*
|
|
* libssh2_knownhost_writeline()
|
|
*
|
|
* Ask libssh2 to convert a known host to an output line for storage.
|
|
*
|
|
* Note that this function returns LIBSSH2_ERROR_BUFFER_TOO_SMALL if the given
|
|
* output buffer is too small to hold the desired output.
|
|
*
|
|
* This implementation currently only knows one 'type' (openssh), all others
|
|
* are reserved for future use.
|
|
*
|
|
*/
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_writeline(LIBSSH2_KNOWNHOSTS *hosts,
|
|
struct libssh2_knownhost *known,
|
|
char *buffer, size_t buflen,
|
|
size_t *outlen, /* the amount of written data */
|
|
int type);
|
|
|
|
/*
|
|
* libssh2_knownhost_writefile
|
|
*
|
|
* Write hosts+key pairs to a given file.
|
|
*
|
|
* This implementation currently only knows one 'type' (openssh), all others
|
|
* are reserved for future use.
|
|
*/
|
|
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_writefile(LIBSSH2_KNOWNHOSTS *hosts,
|
|
const char *filename, int type);
|
|
|
|
/*
|
|
* libssh2_knownhost_get()
|
|
*
|
|
* Traverse the internal list of known hosts. Pass NULL to 'prev' to get
|
|
* the first one. Or pass a poiner to the previously returned one to get the
|
|
* next.
|
|
*
|
|
* Returns:
|
|
* 0 if a fine host was stored in 'store'
|
|
* 1 if end of hosts
|
|
* [negative] on errors
|
|
*/
|
|
LIBSSH2_API int
|
|
libssh2_knownhost_get(LIBSSH2_KNOWNHOSTS *hosts,
|
|
struct libssh2_knownhost **store,
|
|
struct libssh2_knownhost *prev);
|
|
|
|
/* NOTE NOTE NOTE
|
|
libssh2_trace() has no function in builds that aren't built with debug
|
|
enabled
|
|
*/
|
|
LIBSSH2_API int libssh2_trace(LIBSSH2_SESSION *session, int bitmask);
|
|
#define LIBSSH2_TRACE_TRANS (1<<1)
|
|
#define LIBSSH2_TRACE_KEX (1<<2)
|
|
#define LIBSSH2_TRACE_AUTH (1<<3)
|
|
#define LIBSSH2_TRACE_CONN (1<<4)
|
|
#define LIBSSH2_TRACE_SCP (1<<5)
|
|
#define LIBSSH2_TRACE_SFTP (1<<6)
|
|
#define LIBSSH2_TRACE_ERROR (1<<7)
|
|
#define LIBSSH2_TRACE_PUBLICKEY (1<<8)
|
|
#define LIBSSH2_TRACE_SOCKET (1<<9)
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* LIBSSH2_H */
|