/* $OpenBSD: sftp-client.h,v 1.38 2022/09/19 10:43:12 djm Exp $ */ /* * Copyright (c) 2001-2004 Damien Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Client side of SSH2 filexfer protocol */ #ifndef _SFTP_CLIENT_H #define _SFTP_CLIENT_H #ifdef USE_SYSTEM_GLOB # include #else # include "openbsd-compat/glob.h" #endif typedef struct SFTP_DIRENT SFTP_DIRENT; struct SFTP_DIRENT { char *filename; char *longname; Attrib a; }; /* * Used for statvfs responses on the wire from the server, because the * server's native format may be larger than the client's. */ struct sftp_statvfs { u_int64_t f_bsize; u_int64_t f_frsize; u_int64_t f_blocks; u_int64_t f_bfree; u_int64_t f_bavail; u_int64_t f_files; u_int64_t f_ffree; u_int64_t f_favail; u_int64_t f_fsid; u_int64_t f_flag; u_int64_t f_namemax; }; /* Used for limits response on the wire from the server */ struct sftp_limits { u_int64_t packet_length; u_int64_t read_length; u_int64_t write_length; u_int64_t open_handles; }; /* print flag values */ #define SFTP_QUIET 0 /* be quiet during transfers */ #define SFTP_PRINT 1 /* list files and show progress bar */ #define SFTP_PROGRESS_ONLY 2 /* progress bar only */ /* * Initialise a SSH filexfer connection. Returns NULL on error or * a pointer to a initialized sftp_conn struct on success. */ struct sftp_conn *do_init(int, int, u_int, u_int, u_int64_t); u_int sftp_proto_version(struct sftp_conn *); /* Query server limits */ int do_limits(struct sftp_conn *, struct sftp_limits *); /* Close file referred to by 'handle' */ int do_close(struct sftp_conn *, const u_char *, u_int); /* Read contents of 'path' to NULL-terminated array 'dir' */ int do_readdir(struct sftp_conn *, const char *, SFTP_DIRENT ***); /* Frees a NULL-terminated array of SFTP_DIRENTs (eg. from do_readdir) */ void free_sftp_dirents(SFTP_DIRENT **); /* Delete file 'path' */ int do_rm(struct sftp_conn *, const char *); /* Create directory 'path' */ int do_mkdir(struct sftp_conn *, const char *, Attrib *, int); /* Remove directory 'path' */ int do_rmdir(struct sftp_conn *, const char *); /* Get file attributes of 'path' (follows symlinks) */ Attrib *do_stat(struct sftp_conn *, const char *, int); /* Get file attributes of 'path' (does not follow symlinks) */ Attrib *do_lstat(struct sftp_conn *, const char *, int); /* Set file attributes of 'path' */ int do_setstat(struct sftp_conn *, const char *, Attrib *); /* Set file attributes of open file 'handle' */ int do_fsetstat(struct sftp_conn *, const u_char *, u_int, Attrib *); /* Set file attributes of 'path', not following symlinks */ int do_lsetstat(struct sftp_conn *conn, const char *path, Attrib *a); /* Canonicalise 'path' - caller must free result */ char *do_realpath(struct sftp_conn *, const char *); /* Canonicalisation with tilde expansion (requires server extension) */ char *do_expand_path(struct sftp_conn *, const char *); /* Returns non-zero if server can tilde-expand paths */ int can_expand_path(struct sftp_conn *); /* Get statistics for filesystem hosting file at "path" */ int do_statvfs(struct sftp_conn *, const char *, struct sftp_statvfs *, int); /* Rename 'oldpath' to 'newpath' */ int do_rename(struct sftp_conn *, const char *, const char *, int); /* Copy 'oldpath' to 'newpath' */ int do_copy(struct sftp_conn *, const char *, const char *); /* Link 'oldpath' to 'newpath' */ int do_hardlink(struct sftp_conn *, const char *, const char *); /* Rename 'oldpath' to 'newpath' */ int do_symlink(struct sftp_conn *, const char *, const char *); /* Call fsync() on open file 'handle' */ int do_fsync(struct sftp_conn *conn, u_char *, u_int); /* * Download 'remote_path' to 'local_path'. Preserve permissions and times * if 'pflag' is set */ int do_download(struct sftp_conn *, const char *, const char *, Attrib *, int, int, int, int); /* * Recursively download 'remote_directory' to 'local_directory'. Preserve * times if 'pflag' is set */ int download_dir(struct sftp_conn *, const char *, const char *, Attrib *, int, int, int, int, int, int); /* * Upload 'local_path' to 'remote_path'. Preserve permissions and times * if 'pflag' is set */ int do_upload(struct sftp_conn *, const char *, const char *, int, int, int, int); /* * Recursively upload 'local_directory' to 'remote_directory'. Preserve * times if 'pflag' is set */ int upload_dir(struct sftp_conn *, const char *, const char *, int, int, int, int, int, int); /* * Download a 'from_path' from the 'from' connection and upload it to * to 'to' connection at 'to_path'. */ int do_crossload(struct sftp_conn *from, struct sftp_conn *to, const char *from_path, const char *to_path, Attrib *a, int preserve_flag); /* * Recursively download a directory from 'from_path' from the 'from' * connection and upload it to 'to' connection at 'to_path'. */ int crossload_dir(struct sftp_conn *from, struct sftp_conn *to, const char *from_path, const char *to_path, Attrib *dirattrib, int preserve_flag, int print_flag, int follow_link_flag); /* * User/group ID to name translation. */ int can_get_users_groups_by_id(struct sftp_conn *conn); int do_get_users_groups_by_id(struct sftp_conn *conn, const u_int *uids, u_int nuids, const u_int *gids, u_int ngids, char ***usernamesp, char ***groupnamesp); /* Concatenate paths, taking care of slashes. Caller must free result. */ char *path_append(const char *, const char *); /* Make absolute path if relative path and CWD is given. Does not modify * original if the path is already absolute. */ char *make_absolute(char *, const char *); /* Check if remote path is directory */ int remote_is_dir(struct sftp_conn *conn, const char *path); /* Check if local path is directory */ int local_is_dir(const char *path); /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */ int globpath_is_dir(const char *pathname); #endif