xref: /freebsd/crypto/openssh/sftp-client.h (revision 09d325677d53a12c79a43664ff29871e92247629)
1 /* $OpenBSD: sftp-client.h,v 1.21 2013/07/25 00:56:51 djm Exp $ */
2 
3 /*
4  * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /* Client side of SSH2 filexfer protocol */
20 
21 #ifndef _SFTP_CLIENT_H
22 #define _SFTP_CLIENT_H
23 
24 typedef struct SFTP_DIRENT SFTP_DIRENT;
25 
26 struct SFTP_DIRENT {
27 	char *filename;
28 	char *longname;
29 	Attrib a;
30 };
31 
32 /*
33  * Used for statvfs responses on the wire from the server, because the
34  * server's native format may be larger than the client's.
35  */
36 struct sftp_statvfs {
37 	u_int64_t f_bsize;
38 	u_int64_t f_frsize;
39 	u_int64_t f_blocks;
40 	u_int64_t f_bfree;
41 	u_int64_t f_bavail;
42 	u_int64_t f_files;
43 	u_int64_t f_ffree;
44 	u_int64_t f_favail;
45 	u_int64_t f_fsid;
46 	u_int64_t f_flag;
47 	u_int64_t f_namemax;
48 };
49 
50 /*
51  * Initialise a SSH filexfer connection. Returns NULL on error or
52  * a pointer to a initialized sftp_conn struct on success.
53  */
54 struct sftp_conn *do_init(int, int, u_int, u_int, u_int64_t);
55 
56 u_int sftp_proto_version(struct sftp_conn *);
57 
58 /* Close file referred to by 'handle' */
59 int do_close(struct sftp_conn *, char *, u_int);
60 
61 /* Read contents of 'path' to NULL-terminated array 'dir' */
62 int do_readdir(struct sftp_conn *, char *, SFTP_DIRENT ***);
63 
64 /* Frees a NULL-terminated array of SFTP_DIRENTs (eg. from do_readdir) */
65 void free_sftp_dirents(SFTP_DIRENT **);
66 
67 /* Delete file 'path' */
68 int do_rm(struct sftp_conn *, char *);
69 
70 /* Create directory 'path' */
71 int do_mkdir(struct sftp_conn *, char *, Attrib *, int);
72 
73 /* Remove directory 'path' */
74 int do_rmdir(struct sftp_conn *, char *);
75 
76 /* Get file attributes of 'path' (follows symlinks) */
77 Attrib *do_stat(struct sftp_conn *, char *, int);
78 
79 /* Get file attributes of 'path' (does not follow symlinks) */
80 Attrib *do_lstat(struct sftp_conn *, char *, int);
81 
82 /* Set file attributes of 'path' */
83 int do_setstat(struct sftp_conn *, char *, Attrib *);
84 
85 /* Set file attributes of open file 'handle' */
86 int do_fsetstat(struct sftp_conn *, char *, u_int, Attrib *);
87 
88 /* Canonicalise 'path' - caller must free result */
89 char *do_realpath(struct sftp_conn *, char *);
90 
91 /* Get statistics for filesystem hosting file at "path" */
92 int do_statvfs(struct sftp_conn *, const char *, struct sftp_statvfs *, int);
93 
94 /* Rename 'oldpath' to 'newpath' */
95 int do_rename(struct sftp_conn *, char *, char *);
96 
97 /* Link 'oldpath' to 'newpath' */
98 int do_hardlink(struct sftp_conn *, char *, char *);
99 
100 /* Rename 'oldpath' to 'newpath' */
101 int do_symlink(struct sftp_conn *, char *, char *);
102 
103 /* XXX: add callbacks to do_download/do_upload so we can do progress meter */
104 
105 /*
106  * Download 'remote_path' to 'local_path'. Preserve permissions and times
107  * if 'pflag' is set
108  */
109 int do_download(struct sftp_conn *, char *, char *, Attrib *, int, int);
110 
111 /*
112  * Recursively download 'remote_directory' to 'local_directory'. Preserve
113  * times if 'pflag' is set
114  */
115 int download_dir(struct sftp_conn *, char *, char *, Attrib *, int, int, int);
116 
117 /*
118  * Upload 'local_path' to 'remote_path'. Preserve permissions and times
119  * if 'pflag' is set
120  */
121 int do_upload(struct sftp_conn *, char *, char *, int);
122 
123 /*
124  * Recursively upload 'local_directory' to 'remote_directory'. Preserve
125  * times if 'pflag' is set
126  */
127 int upload_dir(struct sftp_conn *, char *, char *, int, int);
128 
129 /* Concatenate paths, taking care of slashes. Caller must free result. */
130 char *path_append(char *, char *);
131 
132 #endif
133