303 lines
13 KiB
C
303 lines
13 KiB
C
/* Copyright (c) 2004-2008, Sara Golemon <sarag@libssh2.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#ifndef LIBSSH2_SFTP_H
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#define LIBSSH2_SFTP_H 1
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#include "libssh2.h"
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#ifndef WIN32
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#include <unistd.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Note: Version 6 was documented at the time of writing
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* However it was marked as "DO NOT IMPLEMENT" due to pending changes
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*
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* Let's start with Version 3 (The version found in OpenSSH) and go from there
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*/
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#define LIBSSH2_SFTP_VERSION 3
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#define LIBSSH2_SFTP_PACKET_MAXLEN 40000
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typedef struct _LIBSSH2_SFTP LIBSSH2_SFTP;
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typedef struct _LIBSSH2_SFTP_HANDLE LIBSSH2_SFTP_HANDLE;
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typedef struct _LIBSSH2_SFTP_ATTRIBUTES LIBSSH2_SFTP_ATTRIBUTES;
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/* Flags for open_ex() */
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#define LIBSSH2_SFTP_OPENFILE 0
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#define LIBSSH2_SFTP_OPENDIR 1
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/* Flags for rename_ex() */
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#define LIBSSH2_SFTP_RENAME_OVERWRITE 0x00000001
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#define LIBSSH2_SFTP_RENAME_ATOMIC 0x00000002
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#define LIBSSH2_SFTP_RENAME_NATIVE 0x00000004
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/* Flags for stat_ex() */
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#define LIBSSH2_SFTP_STAT 0
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#define LIBSSH2_SFTP_LSTAT 1
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#define LIBSSH2_SFTP_SETSTAT 2
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/* Flags for symlink_ex() */
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#define LIBSSH2_SFTP_SYMLINK 0
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#define LIBSSH2_SFTP_READLINK 1
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#define LIBSSH2_SFTP_REALPATH 2
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/* SFTP attribute flag bits */
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#define LIBSSH2_SFTP_ATTR_SIZE 0x00000001
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#define LIBSSH2_SFTP_ATTR_UIDGID 0x00000002
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#define LIBSSH2_SFTP_ATTR_PERMISSIONS 0x00000004
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#define LIBSSH2_SFTP_ATTR_ACMODTIME 0x00000008
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#define LIBSSH2_SFTP_ATTR_EXTENDED 0x80000000
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struct _LIBSSH2_SFTP_ATTRIBUTES {
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/* If flags & ATTR_* bit is set, then the value in this struct will be
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* meaningful Otherwise it should be ignored
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*/
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unsigned long flags;
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libssh2_uint64_t filesize;
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unsigned long uid, gid;
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unsigned long permissions;
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unsigned long atime, mtime;
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};
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/* SFTP filetypes */
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#define LIBSSH2_SFTP_TYPE_REGULAR 1
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#define LIBSSH2_SFTP_TYPE_DIRECTORY 2
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#define LIBSSH2_SFTP_TYPE_SYMLINK 3
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#define LIBSSH2_SFTP_TYPE_SPECIAL 4
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#define LIBSSH2_SFTP_TYPE_UNKNOWN 5
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#define LIBSSH2_SFTP_TYPE_SOCKET 6
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#define LIBSSH2_SFTP_TYPE_CHAR_DEVICE 7
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#define LIBSSH2_SFTP_TYPE_BLOCK_DEVICE 8
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#define LIBSSH2_SFTP_TYPE_FIFO 9
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/*
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* Reproduce the POSIX file modes here for systems that are not POSIX
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* compliant.
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*
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* These is used in "permissions" of "struct _LIBSSH2_SFTP_ATTRIBUTES"
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*/
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/* File type */
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#define LIBSSH2_SFTP_S_IFMT 0170000 /* type of file mask */
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#define LIBSSH2_SFTP_S_IFIFO 0010000 /* named pipe (fifo) */
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#define LIBSSH2_SFTP_S_IFCHR 0020000 /* character special */
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#define LIBSSH2_SFTP_S_IFDIR 0040000 /* directory */
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#define LIBSSH2_SFTP_S_IFBLK 0060000 /* block special */
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#define LIBSSH2_SFTP_S_IFREG 0100000 /* regular */
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#define LIBSSH2_SFTP_S_IFLNK 0120000 /* symbolic link */
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#define LIBSSH2_SFTP_S_IFSOCK 0140000 /* socket */
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/* File mode */
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/* Read, write, execute/search by owner */
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#define LIBSSH2_SFTP_S_IRWXU 0000700 /* RWX mask for owner */
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#define LIBSSH2_SFTP_S_IRUSR 0000400 /* R for owner */
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#define LIBSSH2_SFTP_S_IWUSR 0000200 /* W for owner */
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#define LIBSSH2_SFTP_S_IXUSR 0000100 /* X for owner */
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/* Read, write, execute/search by group */
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#define LIBSSH2_SFTP_S_IRWXG 0000070 /* RWX mask for group */
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#define LIBSSH2_SFTP_S_IRGRP 0000040 /* R for group */
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#define LIBSSH2_SFTP_S_IWGRP 0000020 /* W for group */
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#define LIBSSH2_SFTP_S_IXGRP 0000010 /* X for group */
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/* Read, write, execute/search by others */
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#define LIBSSH2_SFTP_S_IRWXO 0000007 /* RWX mask for other */
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#define LIBSSH2_SFTP_S_IROTH 0000004 /* R for other */
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#define LIBSSH2_SFTP_S_IWOTH 0000002 /* W for other */
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#define LIBSSH2_SFTP_S_IXOTH 0000001 /* X for other */
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/* SFTP File Transfer Flags -- (e.g. flags parameter to sftp_open())
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* Danger will robinson... APPEND doesn't have any effect on OpenSSH servers */
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#define LIBSSH2_FXF_READ 0x00000001
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#define LIBSSH2_FXF_WRITE 0x00000002
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#define LIBSSH2_FXF_APPEND 0x00000004
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#define LIBSSH2_FXF_CREAT 0x00000008
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#define LIBSSH2_FXF_TRUNC 0x00000010
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#define LIBSSH2_FXF_EXCL 0x00000020
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/* SFTP Status Codes (returned by libssh2_sftp_last_error() ) */
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#define LIBSSH2_FX_OK 0
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#define LIBSSH2_FX_EOF 1
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#define LIBSSH2_FX_NO_SUCH_FILE 2
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#define LIBSSH2_FX_PERMISSION_DENIED 3
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#define LIBSSH2_FX_FAILURE 4
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#define LIBSSH2_FX_BAD_MESSAGE 5
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#define LIBSSH2_FX_NO_CONNECTION 6
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#define LIBSSH2_FX_CONNECTION_LOST 7
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#define LIBSSH2_FX_OP_UNSUPPORTED 8
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#define LIBSSH2_FX_INVALID_HANDLE 9
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#define LIBSSH2_FX_NO_SUCH_PATH 10
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#define LIBSSH2_FX_FILE_ALREADY_EXISTS 11
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#define LIBSSH2_FX_WRITE_PROTECT 12
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#define LIBSSH2_FX_NO_MEDIA 13
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#define LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM 14
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#define LIBSSH2_FX_QUOTA_EXCEEDED 15
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#define LIBSSH2_FX_UNKNOWN_PRINCIPLE 16 /* Initial mis-spelling */
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#define LIBSSH2_FX_UNKNOWN_PRINCIPAL 16
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#define LIBSSH2_FX_LOCK_CONFlICT 17 /* Initial mis-spelling */
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#define LIBSSH2_FX_LOCK_CONFLICT 17
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#define LIBSSH2_FX_DIR_NOT_EMPTY 18
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#define LIBSSH2_FX_NOT_A_DIRECTORY 19
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#define LIBSSH2_FX_INVALID_FILENAME 20
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#define LIBSSH2_FX_LINK_LOOP 21
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/* Returned by any function that would block during a read/write opperation */
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#define LIBSSH2SFTP_EAGAIN LIBSSH2_ERROR_EAGAIN
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/* SFTP API */
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LIBSSH2_API LIBSSH2_SFTP *libssh2_sftp_init(LIBSSH2_SESSION *session);
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LIBSSH2_API int libssh2_sftp_shutdown(LIBSSH2_SFTP *sftp);
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LIBSSH2_API unsigned long libssh2_sftp_last_error(LIBSSH2_SFTP *sftp);
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/* File / Directory Ops */
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LIBSSH2_API LIBSSH2_SFTP_HANDLE *libssh2_sftp_open_ex(LIBSSH2_SFTP *sftp,
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const char *filename,
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unsigned int filename_len,
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unsigned long flags,
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long mode, int open_type);
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#define libssh2_sftp_open(sftp, filename, flags, mode) \
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libssh2_sftp_open_ex((sftp), (filename), strlen(filename), (flags), \
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(mode), LIBSSH2_SFTP_OPENFILE)
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#define libssh2_sftp_opendir(sftp, path) \
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libssh2_sftp_open_ex((sftp), (path), strlen(path), 0, 0, \
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LIBSSH2_SFTP_OPENDIR)
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LIBSSH2_API ssize_t libssh2_sftp_read(LIBSSH2_SFTP_HANDLE *handle,
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char *buffer, size_t buffer_maxlen);
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LIBSSH2_API int libssh2_sftp_readdir_ex(LIBSSH2_SFTP_HANDLE *handle, \
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char *buffer, size_t buffer_maxlen,
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char *longentry,
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size_t longentry_maxlen,
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LIBSSH2_SFTP_ATTRIBUTES *attrs);
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#define libssh2_sftp_readdir(handle, buffer, buffer_maxlen, attrs) \
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libssh2_sftp_readdir_ex((handle), (buffer), (buffer_maxlen), NULL, 0, \
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(attrs))
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LIBSSH2_API ssize_t libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *handle,
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const char *buffer, size_t count);
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LIBSSH2_API int libssh2_sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle);
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#define libssh2_sftp_close(handle) libssh2_sftp_close_handle(handle)
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#define libssh2_sftp_closedir(handle) libssh2_sftp_close_handle(handle)
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LIBSSH2_API void libssh2_sftp_seek(LIBSSH2_SFTP_HANDLE *handle, size_t offset);
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LIBSSH2_API void libssh2_sftp_seek64(LIBSSH2_SFTP_HANDLE *handle,
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libssh2_uint64_t offset);
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#define libssh2_sftp_rewind(handle) libssh2_sftp_seek64((handle), 0)
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LIBSSH2_API size_t libssh2_sftp_tell(LIBSSH2_SFTP_HANDLE *handle);
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LIBSSH2_API libssh2_uint64_t libssh2_sftp_tell64(LIBSSH2_SFTP_HANDLE *handle);
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LIBSSH2_API int libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE *handle,
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LIBSSH2_SFTP_ATTRIBUTES *attrs,
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int setstat);
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#define libssh2_sftp_fstat(handle, attrs) \
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libssh2_sftp_fstat_ex((handle), (attrs), 0)
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#define libssh2_sftp_fsetstat(handle, attrs) \
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libssh2_sftp_fstat_ex((handle), (attrs), 1)
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/* Miscellaneous Ops */
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LIBSSH2_API int libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp,
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const char *source_filename,
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unsigned int srouce_filename_len,
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const char *dest_filename,
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unsigned int dest_filename_len,
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long flags);
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#define libssh2_sftp_rename(sftp, sourcefile, destfile) \
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libssh2_sftp_rename_ex((sftp), (sourcefile), strlen(sourcefile), \
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(destfile), strlen(destfile), \
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LIBSSH2_SFTP_RENAME_OVERWRITE | \
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LIBSSH2_SFTP_RENAME_ATOMIC | \
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LIBSSH2_SFTP_RENAME_NATIVE)
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LIBSSH2_API int libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp,
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const char *filename,
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unsigned int filename_len);
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#define libssh2_sftp_unlink(sftp, filename) \
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libssh2_sftp_unlink_ex((sftp), (filename), strlen(filename))
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LIBSSH2_API int libssh2_sftp_mkdir_ex(LIBSSH2_SFTP *sftp,
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const char *path,
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unsigned int path_len, long mode);
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#define libssh2_sftp_mkdir(sftp, path, mode) \
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libssh2_sftp_mkdir_ex((sftp), (path), strlen(path), (mode))
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LIBSSH2_API int libssh2_sftp_rmdir_ex(LIBSSH2_SFTP *sftp,
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const char *path,
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unsigned int path_len);
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#define libssh2_sftp_rmdir(sftp, path) \
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libssh2_sftp_rmdir_ex((sftp), (path), strlen(path))
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LIBSSH2_API int libssh2_sftp_stat_ex(LIBSSH2_SFTP *sftp,
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const char *path,
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unsigned int path_len,
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int stat_type,
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LIBSSH2_SFTP_ATTRIBUTES *attrs);
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#define libssh2_sftp_stat(sftp, path, attrs) \
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libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_STAT, \
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(attrs))
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#define libssh2_sftp_lstat(sftp, path, attrs) \
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libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_LSTAT, \
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(attrs))
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#define libssh2_sftp_setstat(sftp, path, attrs) \
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libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_SETSTAT, \
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(attrs))
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LIBSSH2_API int libssh2_sftp_symlink_ex(LIBSSH2_SFTP *sftp,
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const char *path,
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unsigned int path_len,
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char *target,
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unsigned int target_len, int link_type);
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#define libssh2_sftp_symlink(sftp, orig, linkpath) \
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libssh2_sftp_symlink_ex((sftp), (orig), strlen(orig), (linkpath), \
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strlen(linkpath), LIBSSH2_SFTP_SYMLINK)
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#define libssh2_sftp_readlink(sftp, path, target, maxlen) \
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libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), \
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LIBSSH2_SFTP_READLINK)
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#define libssh2_sftp_realpath(sftp, path, target, maxlen) \
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libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), \
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LIBSSH2_SFTP_REALPATH)
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* LIBSSH2_SFTP_H */
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