/* Copyright (c) 2004-2006, Sara Golemon <[email protected]>
* 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.
*/

/* Note: This include file is only needed for using the
* publickey SUBSYSTEM which is not the same as publickey
* authentication. For authentication you only need libssh2.h
*
* For more information on the publickey subsystem,
* refer to IETF draft: secsh-publickey
*/

#ifndef LIBSSH2_PUBLICKEY_H
#define LIBSSH2_PUBLICKEY_H 1

#include "libssh2.h"

typedef struct _LIBSSH2_PUBLICKEY LIBSSH2_PUBLICKEY;

typedef struct _libssh2_publickey_attribute {
const char *name;
unsigned long name_len;
const char *value;
unsigned long value_len;
char mandatory;
} libssh2_publickey_attribute;

typedef struct _libssh2_publickey_list {
unsigned char *packet; /* For freeing */

const unsigned char *name;
unsigned long name_len;
const unsigned char *blob;
unsigned long blob_len;
unsigned long num_attrs;
libssh2_publickey_attribute *attrs; /* free me */
} libssh2_publickey_list;

/* Generally use the first macro here, but if both name and value are string
literals, you can use _fast() to take advantage of preprocessing */
#define libssh2_publickey_attribute(name, value, mandatory) \
{ (name), strlen(name), (value), strlen(value), (mandatory) },
#define libssh2_publickey_attribute_fast(name, value, mandatory) \
{ (name), sizeof(name) - 1, (value), sizeof(value) - 1, (mandatory) },

#ifdef __cplusplus
extern "C" {
#endif

/* Publickey Subsystem */
LIBSSH2_API LIBSSH2_PUBLICKEY *
libssh2_publickey_init(LIBSSH2_SESSION *session);

LIBSSH2_API int
libssh2_publickey_add_ex(LIBSSH2_PUBLICKEY *pkey,
const unsigned char *name,
unsigned long name_len,
const unsigned char *blob,
unsigned long blob_len, char overwrite,
unsigned long num_attrs,
const libssh2_publickey_attribute attrs[]);
#define libssh2_publickey_add(pkey, name, blob, blob_len, overwrite, \
num_attrs, attrs) \
libssh2_publickey_add_ex((pkey), \
(name), strlen(name), \
(blob), (blob_len), \
(overwrite), (num_attrs), (attrs))

LIBSSH2_API int libssh2_publickey_remove_ex(LIBSSH2_PUBLICKEY *pkey,
const unsigned char *name,
unsigned long name_len,
const unsigned char *blob,
unsigned long blob_len);
#define libssh2_publickey_remove(pkey, name, blob, blob_len) \
libssh2_publickey_remove_ex((pkey), \
(name), strlen(name), \
(blob), (blob_len))

LIBSSH2_API int
libssh2_publickey_list_fetch(LIBSSH2_PUBLICKEY *pkey,
unsigned long *num_keys,
libssh2_publickey_list **pkey_list);
LIBSSH2_API void
libssh2_publickey_list_free(LIBSSH2_PUBLICKEY *pkey,
libssh2_publickey_list *pkey_list);

LIBSSH2_API int libssh2_publickey_shutdown(LIBSSH2_PUBLICKEY *pkey);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* LIBSSH2_PUBLICKEY_H */