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sftpserver: Move duplicate code handling SFTP operations to library

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These can be replaced by user-provided functions when needed.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
This commit is contained in:
Jakub Jelen
2023-01-23 09:57:43 +01:00
parent af60e23081
commit 5ea54c8159
6 changed files with 1028 additions and 1989 deletions
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7
include/libssh/CMakeLists.txt
View File

@@ -20,6 +20,13 @@ if (WITH_SERVER)
${libssh_HDRS}
server.h
)
if (WITH_SFTP)
set(libssh_HDRS
${libssh_HDRS}
sftpserver.h
)
endif (WITH_SFTP)
endif (WITH_SERVER)
install(

4
include/libssh/sftp.h
View File

@@ -899,7 +899,7 @@ LIBSSH_API void sftp_server_free(sftp_session sftp);
*
* @param data The pointer to the data buffer of channel.
*
* @return Length of data deocded.
* @return Length of data decoded.
*/
LIBSSH_API int sftp_decode_channel_data_to_packet(sftp_session sftp, void *data);
@@ -927,7 +927,7 @@ LIBSSH_API int sftp_process_init_packet(sftp_client_message client_msg);
* @brief Handle the statvfs request, return information the mounted file system.
*
* @param msg The sftp client message.
*
*
* @param st The statvfs state of target file.
*
* @return 0 on success, < 0 on error with ssh and sftp error set.

73
include/libssh/sftpserver.h Normal file
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@@ -0,0 +1,73 @@
/*
* This file is part of the SSH Library
*
* Copyright (c) 2022 Zeyu Sheng <shengzeyu19_98@163.com>
* Copyright (c) 2023 Red Hat, Inc.
*
* Authors: Jakub Jelen <jjelen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SFTP_SERVER_H
#define SFTP_SERVER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/**
* @defgroup libssh_sftp_server The libssh SFTP server API
*
* @brief SFTP server handling functions
*
* TODO
*
* @{
*/
#define SSH_SFTP_CALLBACK(name) \
static int name(sftp_client_message message)
typedef int (*sftp_server_message_callback)(sftp_client_message message);
struct sftp_message_handler
{
const char *name;
const char *extended_name;
uint8_t type;
sftp_server_message_callback cb;
};
LIBSSH_API int sftp_channel_default_subsystem_request(ssh_session session,
ssh_channel channel,
const char *subsystem,
void *userdata);
LIBSSH_API int sftp_channel_default_data_callback(ssh_session session,
ssh_channel channel,
void *data,
uint32_t len,
int is_stderr,
void *userdata);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* SFTP_SERVER_H */