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libssh2_sftp.h
/* Copyright (C) Sara Golemon <sarag@libssh2.org> * 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. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef LIBSSH2_SFTP_H #define LIBSSH2_SFTP_H 1 #include "libssh2.h" #ifndef _WIN32 #include <unistd.h> #endif #ifdef __cplusplus extern "C" { #endif /* Note: Version 6 was documented at the time of writing * However it was marked as "DO NOT IMPLEMENT" due to pending changes * * Let's start with Version 3 (The version found in OpenSSH) and go from there */ #define LIBSSH2_SFTP_VERSION 3 typedef struct _LIBSSH2_SFTP LIBSSH2_SFTP; typedef struct _LIBSSH2_SFTP_HANDLE LIBSSH2_SFTP_HANDLE; typedef struct _LIBSSH2_SFTP_ATTRIBUTES LIBSSH2_SFTP_ATTRIBUTES; typedef struct _LIBSSH2_SFTP_STATVFS LIBSSH2_SFTP_STATVFS; /* Flags for open_ex() */ #define LIBSSH2_SFTP_OPENFILE 0 #define LIBSSH2_SFTP_OPENDIR 1 /* Flags for rename_ex() */ #define LIBSSH2_SFTP_RENAME_OVERWRITE 0x00000001 #define LIBSSH2_SFTP_RENAME_ATOMIC 0x00000002 #define LIBSSH2_SFTP_RENAME_NATIVE 0x00000004 /* Flags for stat_ex() */ #define LIBSSH2_SFTP_STAT 0 #define LIBSSH2_SFTP_LSTAT 1 #define LIBSSH2_SFTP_SETSTAT 2 /* Flags for symlink_ex() */ #define LIBSSH2_SFTP_SYMLINK 0 #define LIBSSH2_SFTP_READLINK 1 #define LIBSSH2_SFTP_REALPATH 2 /* Flags for sftp_mkdir() */ #define LIBSSH2_SFTP_DEFAULT_MODE -1 /* SFTP attribute flag bits */ #define LIBSSH2_SFTP_ATTR_SIZE 0x00000001 #define LIBSSH2_SFTP_ATTR_UIDGID 0x00000002 #define LIBSSH2_SFTP_ATTR_PERMISSIONS 0x00000004 #define LIBSSH2_SFTP_ATTR_ACMODTIME 0x00000008 #define LIBSSH2_SFTP_ATTR_EXTENDED 0x80000000 /* SFTP statvfs flag bits */ #define LIBSSH2_SFTP_ST_RDONLY 0x00000001 #define LIBSSH2_SFTP_ST_NOSUID 0x00000002 struct _LIBSSH2_SFTP_ATTRIBUTES { /* If flags & ATTR_* bit is set, then the value in this struct will be * meaningful Otherwise it should be ignored */ unsigned long flags; libssh2_uint64_t filesize; unsigned long uid, gid; unsigned long permissions; unsigned long atime, mtime; }; struct _LIBSSH2_SFTP_STATVFS { libssh2_uint64_t f_bsize; /* file system block size */ libssh2_uint64_t f_frsize; /* fragment size */ libssh2_uint64_t f_blocks; /* size of fs in f_frsize units */ libssh2_uint64_t f_bfree; /* # free blocks */ libssh2_uint64_t f_bavail; /* # free blocks for non-root */ libssh2_uint64_t f_files; /* # inodes */ libssh2_uint64_t f_ffree; /* # free inodes */ libssh2_uint64_t f_favail; /* # free inodes for non-root */ libssh2_uint64_t f_fsid; /* file system ID */ libssh2_uint64_t f_flag; /* mount flags */ libssh2_uint64_t f_namemax; /* maximum filename length */ }; /* SFTP filetypes */ #define LIBSSH2_SFTP_TYPE_REGULAR 1 #define LIBSSH2_SFTP_TYPE_DIRECTORY 2 #define LIBSSH2_SFTP_TYPE_SYMLINK 3 #define LIBSSH2_SFTP_TYPE_SPECIAL 4 #define LIBSSH2_SFTP_TYPE_UNKNOWN 5 #define LIBSSH2_SFTP_TYPE_SOCKET 6 #define LIBSSH2_SFTP_TYPE_CHAR_DEVICE 7 #define LIBSSH2_SFTP_TYPE_BLOCK_DEVICE 8 #define LIBSSH2_SFTP_TYPE_FIFO 9 /* * Reproduce the POSIX file modes here for systems that are not POSIX * compliant. * * These is used in "permissions" of "struct _LIBSSH2_SFTP_ATTRIBUTES" */ /* File type */ #define LIBSSH2_SFTP_S_IFMT 0170000 /* type of file mask */ #define LIBSSH2_SFTP_S_IFIFO 0010000 /* named pipe (fifo) */ #define LIBSSH2_SFTP_S_IFCHR 0020000 /* character special */ #define LIBSSH2_SFTP_S_IFDIR 0040000 /* directory */ #define LIBSSH2_SFTP_S_IFBLK 0060000 /* block special */ #define LIBSSH2_SFTP_S_IFREG 0100000 /* regular */ #define LIBSSH2_SFTP_S_IFLNK 0120000 /* symbolic link */ #define LIBSSH2_SFTP_S_IFSOCK 0140000 /* socket */ /* File mode */ /* Read, write, execute/search by owner */ #define LIBSSH2_SFTP_S_IRWXU 0000700 /* RWX mask for owner */ #define LIBSSH2_SFTP_S_IRUSR 0000400 /* R for owner */ #define LIBSSH2_SFTP_S_IWUSR 0000200 /* W for owner */ #define LIBSSH2_SFTP_S_IXUSR 0000100 /* X for owner */ /* Read, write, execute/search by group */ #define LIBSSH2_SFTP_S_IRWXG 0000070 /* RWX mask for group */ #define LIBSSH2_SFTP_S_IRGRP 0000040 /* R for group */ #define LIBSSH2_SFTP_S_IWGRP 0000020 /* W for group */ #define LIBSSH2_SFTP_S_IXGRP 0000010 /* X for group */ /* Read, write, execute/search by others */ #define LIBSSH2_SFTP_S_IRWXO 0000007 /* RWX mask for other */ #define LIBSSH2_SFTP_S_IROTH 0000004 /* R for other */ #define LIBSSH2_SFTP_S_IWOTH 0000002 /* W for other */ #define LIBSSH2_SFTP_S_IXOTH 0000001 /* X for other */ /* macros to check for specific file types, added in 1.2.5 */ #define LIBSSH2_SFTP_S_ISLNK(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFLNK) #define LIBSSH2_SFTP_S_ISREG(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFREG) #define LIBSSH2_SFTP_S_ISDIR(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFDIR) #define LIBSSH2_SFTP_S_ISCHR(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFCHR) #define LIBSSH2_SFTP_S_ISBLK(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFBLK) #define LIBSSH2_SFTP_S_ISFIFO(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFIFO) #define LIBSSH2_SFTP_S_ISSOCK(m) \ (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFSOCK) /* SFTP File Transfer Flags -- (e.g. flags parameter to sftp_open()) * Danger will robinson... APPEND doesn't have any effect on OpenSSH servers */ #define LIBSSH2_FXF_READ 0x00000001 #define LIBSSH2_FXF_WRITE 0x00000002 #define LIBSSH2_FXF_APPEND 0x00000004 #define LIBSSH2_FXF_CREAT 0x00000008 #define LIBSSH2_FXF_TRUNC 0x00000010 #define LIBSSH2_FXF_EXCL 0x00000020 /* SFTP Status Codes (returned by libssh2_sftp_last_error() ) */ #define LIBSSH2_FX_OK 0UL #define LIBSSH2_FX_EOF 1UL #define LIBSSH2_FX_NO_SUCH_FILE 2UL #define LIBSSH2_FX_PERMISSION_DENIED 3UL #define LIBSSH2_FX_FAILURE 4UL #define LIBSSH2_FX_BAD_MESSAGE 5UL #define LIBSSH2_FX_NO_CONNECTION 6UL #define LIBSSH2_FX_CONNECTION_LOST 7UL #define LIBSSH2_FX_OP_UNSUPPORTED 8UL #define LIBSSH2_FX_INVALID_HANDLE 9UL #define LIBSSH2_FX_NO_SUCH_PATH 10UL #define LIBSSH2_FX_FILE_ALREADY_EXISTS 11UL #define LIBSSH2_FX_WRITE_PROTECT 12UL #define LIBSSH2_FX_NO_MEDIA 13UL #define LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM 14UL #define LIBSSH2_FX_QUOTA_EXCEEDED 15UL #define LIBSSH2_FX_UNKNOWN_PRINCIPLE 16UL /* Initial mis-spelling */ #define LIBSSH2_FX_UNKNOWN_PRINCIPAL 16UL #define LIBSSH2_FX_LOCK_CONFlICT 17UL /* Initial mis-spelling */ #define LIBSSH2_FX_LOCK_CONFLICT 17UL #define LIBSSH2_FX_DIR_NOT_EMPTY 18UL #define LIBSSH2_FX_NOT_A_DIRECTORY 19UL #define LIBSSH2_FX_INVALID_FILENAME 20UL #define LIBSSH2_FX_LINK_LOOP 21UL /* Returned by any function that would block during a read/write operation */ #define LIBSSH2SFTP_EAGAIN LIBSSH2_ERROR_EAGAIN /* SFTP API */ LIBSSH2_API LIBSSH2_SFTP *libssh2_sftp_init(LIBSSH2_SESSION *session); LIBSSH2_API int libssh2_sftp_shutdown(LIBSSH2_SFTP *sftp); LIBSSH2_API unsigned long libssh2_sftp_last_error(LIBSSH2_SFTP *sftp); LIBSSH2_API LIBSSH2_CHANNEL *libssh2_sftp_get_channel(LIBSSH2_SFTP *sftp); /* File / Directory Ops */ LIBSSH2_API LIBSSH2_SFTP_HANDLE * libssh2_sftp_open_ex(LIBSSH2_SFTP *sftp, const char *filename, unsigned int filename_len, unsigned long flags, long mode, int open_type); #define libssh2_sftp_open(sftp, filename, flags, mode) \ libssh2_sftp_open_ex((sftp), \ (filename), (unsigned int)strlen(filename), \ (flags), (mode), LIBSSH2_SFTP_OPENFILE) #define libssh2_sftp_opendir(sftp, path) \ libssh2_sftp_open_ex((sftp), \ (path), (unsigned int)strlen(path), \ 0, 0, LIBSSH2_SFTP_OPENDIR) LIBSSH2_API LIBSSH2_SFTP_HANDLE * libssh2_sftp_open_ex_r(LIBSSH2_SFTP *sftp, const char *filename, size_t filename_len, unsigned long flags, long mode, int open_type, LIBSSH2_SFTP_ATTRIBUTES *attrs); #define libssh2_sftp_open_r(sftp, filename, flags, mode, attrs) \ libssh2_sftp_open_ex_r((sftp), (filename), strlen(filename), \ (flags), (mode), LIBSSH2_SFTP_OPENFILE, \ (attrs)) LIBSSH2_API ssize_t libssh2_sftp_read(LIBSSH2_SFTP_HANDLE *handle, char *buffer, size_t buffer_maxlen); LIBSSH2_API int libssh2_sftp_readdir_ex(LIBSSH2_SFTP_HANDLE *handle, \ char *buffer, size_t buffer_maxlen, char *longentry, size_t longentry_maxlen, LIBSSH2_SFTP_ATTRIBUTES *attrs); #define libssh2_sftp_readdir(handle, buffer, buffer_maxlen, attrs) \ libssh2_sftp_readdir_ex((handle), (buffer), (buffer_maxlen), NULL, 0, \ (attrs)) LIBSSH2_API ssize_t libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *handle, const char *buffer, size_t count); LIBSSH2_API int libssh2_sftp_fsync(LIBSSH2_SFTP_HANDLE *handle); LIBSSH2_API int libssh2_sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle); #define libssh2_sftp_close(handle) libssh2_sftp_close_handle(handle) #define libssh2_sftp_closedir(handle) libssh2_sftp_close_handle(handle) LIBSSH2_API void libssh2_sftp_seek(LIBSSH2_SFTP_HANDLE *handle, size_t offset); LIBSSH2_API void libssh2_sftp_seek64(LIBSSH2_SFTP_HANDLE *handle, libssh2_uint64_t offset); #define libssh2_sftp_rewind(handle) libssh2_sftp_seek64((handle), 0) LIBSSH2_API size_t libssh2_sftp_tell(LIBSSH2_SFTP_HANDLE *handle); LIBSSH2_API libssh2_uint64_t libssh2_sftp_tell64(LIBSSH2_SFTP_HANDLE *handle); LIBSSH2_API int libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_SFTP_ATTRIBUTES *attrs, int setstat); #define libssh2_sftp_fstat(handle, attrs) \ libssh2_sftp_fstat_ex((handle), (attrs), 0) #define libssh2_sftp_fsetstat(handle, attrs) \ libssh2_sftp_fstat_ex((handle), (attrs), 1) /* Miscellaneous Ops */ LIBSSH2_API int libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp, const char *source_filename, unsigned int srouce_filename_len, const char *dest_filename, unsigned int dest_filename_len, long flags); #define libssh2_sftp_rename(sftp, sourcefile, destfile) \ libssh2_sftp_rename_ex((sftp), \ (sourcefile), (unsigned int)strlen(sourcefile), \ (destfile), (unsigned int)strlen(destfile), \ LIBSSH2_SFTP_RENAME_OVERWRITE | \ LIBSSH2_SFTP_RENAME_ATOMIC | \ LIBSSH2_SFTP_RENAME_NATIVE) LIBSSH2_API int libssh2_sftp_posix_rename_ex(LIBSSH2_SFTP *sftp, const char *source_filename, size_t srouce_filename_len, const char *dest_filename, size_t dest_filename_len); #define libssh2_sftp_posix_rename(sftp, sourcefile, destfile) \ libssh2_sftp_posix_rename_ex((sftp), (sourcefile), strlen(sourcefile), \ (destfile), strlen(destfile)) LIBSSH2_API int libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp, const char *filename, unsigned int filename_len); #define libssh2_sftp_unlink(sftp, filename) \ libssh2_sftp_unlink_ex((sftp), (filename), (unsigned int)strlen(filename)) LIBSSH2_API int libssh2_sftp_fstatvfs(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_SFTP_STATVFS *st); LIBSSH2_API int libssh2_sftp_statvfs(LIBSSH2_SFTP *sftp, const char *path, size_t path_len, LIBSSH2_SFTP_STATVFS *st); LIBSSH2_API int libssh2_sftp_mkdir_ex(LIBSSH2_SFTP *sftp, const char *path, unsigned int path_len, long mode); #define libssh2_sftp_mkdir(sftp, path, mode) \ libssh2_sftp_mkdir_ex((sftp), (path), (unsigned int)strlen(path), (mode)) LIBSSH2_API int libssh2_sftp_rmdir_ex(LIBSSH2_SFTP *sftp, const char *path, unsigned int path_len); #define libssh2_sftp_rmdir(sftp, path) \ libssh2_sftp_rmdir_ex((sftp), (path), (unsigned int)strlen(path)) LIBSSH2_API int libssh2_sftp_stat_ex(LIBSSH2_SFTP *sftp, const char *path, unsigned int path_len, int stat_type, LIBSSH2_SFTP_ATTRIBUTES *attrs); #define libssh2_sftp_stat(sftp, path, attrs) \ libssh2_sftp_stat_ex((sftp), (path), (unsigned int)strlen(path), \ LIBSSH2_SFTP_STAT, (attrs)) #define libssh2_sftp_lstat(sftp, path, attrs) \ libssh2_sftp_stat_ex((sftp), (path), (unsigned int)strlen(path), \ LIBSSH2_SFTP_LSTAT, (attrs)) #define libssh2_sftp_setstat(sftp, path, attrs) \ libssh2_sftp_stat_ex((sftp), (path), (unsigned int)strlen(path), \ LIBSSH2_SFTP_SETSTAT, (attrs)) LIBSSH2_API int libssh2_sftp_symlink_ex(LIBSSH2_SFTP *sftp, const char *path, unsigned int path_len, char *target, unsigned int target_len, int link_type); #define libssh2_sftp_symlink(sftp, orig, linkpath) \ libssh2_sftp_symlink_ex((sftp), \ (orig), (unsigned int)strlen(orig), \ (linkpath), (unsigned int)strlen(linkpath), \ LIBSSH2_SFTP_SYMLINK) #define libssh2_sftp_readlink(sftp, path, target, maxlen) \ libssh2_sftp_symlink_ex((sftp), \ (path), (unsigned int)strlen(path), \ (target), (maxlen), \ LIBSSH2_SFTP_READLINK) #define libssh2_sftp_realpath(sftp, path, target, maxlen) \ libssh2_sftp_symlink_ex((sftp), \ (path), (unsigned int)strlen(path), \ (target), (maxlen), \ LIBSSH2_SFTP_REALPATH) #ifdef __cplusplus } /* extern "C" */ #endif #endif /* LIBSSH2_SFTP_H */
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