SCP client. More...
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| Data Structures | |
| struct | _ScpClientContext | 
| SCP client context.  More... | |
| Macros | |
| #define | SCP_CLIENT_SUPPORT DISABLED | 
| #define | SCP_CLIENT_DEFAULT_TIMEOUT 20000 | 
| #define | SCP_CLIENT_BUFFER_SIZE 512 | 
| #define | ScpClientContext struct _ScpClientContext | 
| Typedefs | |
| typedef error_t(* | ScpClientSshInitCallback) (ScpClientContext *context, SshContext *sshContext) | 
| SSH initialization callback function.  More... | |
| Enumerations | |
| enum | ScpClientState { SCP_CLIENT_STATE_DISCONNECTED = 0, SCP_CLIENT_STATE_CONNECTING_1 = 1, SCP_CLIENT_STATE_CONNECTING_2 = 2, SCP_CLIENT_STATE_CONNECTED = 3, SCP_CLIENT_STATE_CHANNEL_OPEN = 4, SCP_CLIENT_STATE_CHANNEL_REQUEST = 6, SCP_CLIENT_STATE_CHANNEL_REPLY = 7, SCP_CLIENT_STATE_WRITE_INIT = 8, SCP_CLIENT_STATE_WRITE_COMMAND = 9, SCP_CLIENT_STATE_WRITE_ACK = 10, SCP_CLIENT_STATE_WRITE_DATA = 11, SCP_CLIENT_STATE_WRITE_STATUS = 12, SCP_CLIENT_STATE_WRITE_FIN = 13, SCP_CLIENT_STATE_READ_INIT = 14, SCP_CLIENT_STATE_READ_COMMAND = 15, SCP_CLIENT_STATE_READ_ACK = 16, SCP_CLIENT_STATE_READ_DATA = 17, SCP_CLIENT_STATE_READ_STATUS = 18, SCP_CLIENT_STATE_READ_FIN = 19, SCP_CLIENT_STATE_CHANNEL_CLOSE = 20, SCP_CLIENT_STATE_DISCONNECTING_1 = 21, SCP_CLIENT_STATE_DISCONNECTING_2 = 22 } | 
| SCP client state.  More... | |
| Functions | |
| error_t | scpClientInit (ScpClientContext *context) | 
| Initialize SCP client context.  More... | |
| error_t | scpClientRegisterSshInitCallback (ScpClientContext *context, ScpClientSshInitCallback callback) | 
| Register SSH initialization callback function.  More... | |
| error_t | scpClientSetTimeout (ScpClientContext *context, systime_t timeout) | 
| Set communication timeout.  More... | |
| error_t | scpClientBindToInterface (ScpClientContext *context, NetInterface *interface) | 
| Bind the SCP client to a particular network interface.  More... | |
| error_t | scpClientConnect (ScpClientContext *context, const IpAddr *serverIpAddr, uint16_t serverPort) | 
| Establish a connection with the specified SCP server.  More... | |
| error_t | scpClientOpenFileForWriting (ScpClientContext *context, const char_t *path, uint_t mode, uint64_t size) | 
| Open a file for writing.  More... | |
| error_t | scpClientOpenFileForReading (ScpClientContext *context, const char_t *path, uint64_t *size) | 
| Open a file for reading.  More... | |
| error_t | scpClientWriteFile (ScpClientContext *context, const void *data, size_t length, size_t *written, uint_t flags) | 
| Write to a remote file.  More... | |
| error_t | scpClientReadFile (ScpClientContext *context, void *data, size_t size, size_t *received, uint_t flags) | 
| Read from a remote file.  More... | |
| error_t | scpClientCloseFile (ScpClientContext *context) | 
| Close file.  More... | |
| error_t | scpClientDisconnect (ScpClientContext *context) | 
| Gracefully disconnect from the SCP server.  More... | |
| error_t | scpClientClose (ScpClientContext *context) | 
| Close the connection with the SCP server.  More... | |
| void | scpClientDeinit (ScpClientContext *context) | 
| Release SCP client context.  More... | |
Detailed Description
SCP client.
License
SPDX-License-Identifier: GPL-2.0-or-later
Copyright (C) 2019-2025 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneSSH Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version
- 2.5.4
Definition in file scp_client.h.
Macro Definition Documentation
◆ SCP_CLIENT_BUFFER_SIZE
| #define SCP_CLIENT_BUFFER_SIZE 512 | 
Definition at line 54 of file scp_client.h.
◆ SCP_CLIENT_DEFAULT_TIMEOUT
| #define SCP_CLIENT_DEFAULT_TIMEOUT 20000 | 
Definition at line 47 of file scp_client.h.
◆ SCP_CLIENT_SUPPORT
| #define SCP_CLIENT_SUPPORT DISABLED | 
Definition at line 40 of file scp_client.h.
◆ ScpClientContext
| #define ScpClientContext struct _ScpClientContext | 
Definition at line 61 of file scp_client.h.
Typedef Documentation
◆ ScpClientSshInitCallback
| typedef error_t(* ScpClientSshInitCallback) (ScpClientContext *context, SshContext *sshContext) | 
SSH initialization callback function.
Definition at line 104 of file scp_client.h.
Enumeration Type Documentation
◆ ScpClientState
| enum ScpClientState | 
SCP client state.
Definition at line 73 of file scp_client.h.
Function Documentation
◆ scpClientBindToInterface()
| error_t scpClientBindToInterface | ( | ScpClientContext * | context, | 
| NetInterface * | interface | ||
| ) | 
Bind the SCP client to a particular network interface.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] interface Network interface to be used 
- Returns
- Error code
Definition at line 123 of file scp_client.c.
◆ scpClientClose()
| error_t scpClientClose | ( | ScpClientContext * | context | ) | 
Close the connection with the SCP server.
- Parameters
- 
  [in] context Pointer to the SCP client context 
- Returns
- Error code
Definition at line 1260 of file scp_client.c.
◆ scpClientCloseFile()
| error_t scpClientCloseFile | ( | ScpClientContext * | context | ) | 
Close file.
- Parameters
- 
  [in] context Pointer to the SCP client context 
- Returns
- Error code
Definition at line 996 of file scp_client.c.
◆ scpClientConnect()
| error_t scpClientConnect | ( | ScpClientContext * | context, | 
| const IpAddr * | serverIpAddr, | ||
| uint16_t | serverPort | ||
| ) | 
Establish a connection with the specified SCP server.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] serverIpAddr IP address of the SCP server to connect to [in] serverPort Port number 
- Returns
- Error code
Definition at line 146 of file scp_client.c.
◆ scpClientDeinit()
| void scpClientDeinit | ( | ScpClientContext * | context | ) | 
Release SCP client context.
- Parameters
- 
  [in] context Pointer to the SCP client context 
Definition at line 1281 of file scp_client.c.
◆ scpClientDisconnect()
| error_t scpClientDisconnect | ( | ScpClientContext * | context | ) | 
Gracefully disconnect from the SCP server.
- Parameters
- 
  [in] context Pointer to the SCP client context 
- Returns
- Error code
Definition at line 1161 of file scp_client.c.
◆ scpClientInit()
| error_t scpClientInit | ( | ScpClientContext * | context | ) | 
Initialize SCP client context.
- Parameters
- 
  [in] context Pointer to the SCP client context 
- Returns
- Error code
Definition at line 54 of file scp_client.c.
◆ scpClientOpenFileForReading()
| error_t scpClientOpenFileForReading | ( | ScpClientContext * | context, | 
| const char_t * | path, | ||
| uint64_t * | size | ||
| ) | 
Open a file for reading.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] path Path to the file to be be opened [out] size Size of the file, in bytes (optional parameter) 
- Returns
- Error code
Definition at line 504 of file scp_client.c.
◆ scpClientOpenFileForWriting()
| error_t scpClientOpenFileForWriting | ( | ScpClientContext * | context, | 
| const char_t * | path, | ||
| uint_t | mode, | ||
| uint64_t | size | ||
| ) | 
Open a file for writing.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] path Path to the file to be be opened [in] mode File permissions [in] size Size of the file, in bytes 
- Returns
- Error code
Definition at line 239 of file scp_client.c.
◆ scpClientReadFile()
| error_t scpClientReadFile | ( | ScpClientContext * | context, | 
| void * | data, | ||
| size_t | size, | ||
| size_t * | received, | ||
| uint_t | flags | ||
| ) | 
Read from a remote file.
- Parameters
- 
  [in] context Pointer to the SCP client context [out] data Buffer where to store the incoming data [in] size Maximum number of bytes that can be read [out] received Actual number of bytes that have been read [in] flags Set of flags that influences the behavior of this function 
- Returns
- Error code
Definition at line 893 of file scp_client.c.
◆ scpClientRegisterSshInitCallback()
| error_t scpClientRegisterSshInitCallback | ( | ScpClientContext * | context, | 
| ScpClientSshInitCallback | callback | ||
| ) | 
Register SSH initialization callback function.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] callback SSH initialization callback function 
- Returns
- Error code
Definition at line 80 of file scp_client.c.
◆ scpClientSetTimeout()
| error_t scpClientSetTimeout | ( | ScpClientContext * | context, | 
| systime_t | timeout | ||
| ) | 
Set communication timeout.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] timeout Timeout value, in milliseconds 
- Returns
- Error code
Definition at line 102 of file scp_client.c.
◆ scpClientWriteFile()
| error_t scpClientWriteFile | ( | ScpClientContext * | context, | 
| const void * | data, | ||
| size_t | length, | ||
| size_t * | written, | ||
| uint_t | flags | ||
| ) | 
Write to a remote file.
- Parameters
- 
  [in] context Pointer to the SCP client context [in] data Pointer to a buffer containing the data to be written [in] length Number of data bytes to write [in] written Number of bytes that have been written (optional parameter) [in] flags Set of flags that influences the behavior of this function 
- Returns
- Error code
Definition at line 771 of file scp_client.c.
