#ifndef HEADER_CURL_SSH_H
#define HEADER_CURL_SSH_H
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2009, 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.
 *
 * $Id$
 ***************************************************************************/

#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 >= 0x001300)
/* libssh2 0.19 was the planned release version for a while before it was
   decided to instead become 1.0. Thus >= 0x001300 should still work fine
   for snapshots done during the 0.19 days as well as things released once
   it was bumped to 1.0 */
#  define HAVE_LIBSSH2_SESSION_BLOCK_DIRECTIONS 1
#else
#  undef HAVE_LIBSSH2_SESSION_BLOCK_DIRECTIONS
#endif

#if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010000)
/* libssh2_sftp_seek64() has only ever been provided by libssh2 1.0 or
   later */
#  define HAVE_LIBSSH2_SFTP_SEEK64 1
#else
#  undef HAVE_LIBSSH2_SFTP_SEEK64
#endif


extern const struct Curl_handler Curl_handler_scp;
extern const struct Curl_handler Curl_handler_sftp;

ssize_t Curl_scp_send(struct connectdata *conn, int sockindex,
                      const void *mem, size_t len);
ssize_t Curl_scp_recv(struct connectdata *conn, int sockindex,
                      char *mem, size_t len);

ssize_t Curl_sftp_send(struct connectdata *conn, int sockindex,
                       const void *mem, size_t len);
ssize_t Curl_sftp_recv(struct connectdata *conn, int sockindex,
                       char *mem, size_t len);

#define Curl_ssh_enabled(conn,prot) (conn->protocol & prot)

#else /* USE_LIBSSH2 */

#define Curl_ssh_enabled(x,y) 0
#define Curl_scp_send(a,b,c,d) 0
#define Curl_sftp_send(a,b,c,d) 0
#define Curl_scp_recv(a,b,c,d) 0
#define Curl_sftp_recv(a,b,c,d) 0

#endif /* USE_LIBSSH2 */

#endif /* HEADER_CURL_SSH_H */
