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Diffstat (limited to '')
| -rw-r--r-- | sftp-client.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/sftp-client.h b/sftp-client.h new file mode 100644 index 0000000..d7deab1 --- /dev/null +++ b/sftp-client.h @@ -0,0 +1,211 @@ +/* $OpenBSD: sftp-client.h,v 1.38 2022/09/19 10:43:12 djm Exp $ */ + +/* + * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> + * + * 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 <glob.h> +#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 |