fetch.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1998-2004 Dag-Erling Sm��rgrav
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer
12 *    in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/11/lib/libfetch/fetch.h 330897 2018-03-14 03:19:51Z eadler $
31 */
32
33#ifndef _FETCH_H_INCLUDED
34#define _FETCH_H_INCLUDED
35
36#define _LIBFETCH_VER "libfetch/2.0"
37
38#define URL_SCHEMELEN 16
39#define URL_USERLEN 256
40#define URL_PWDLEN 256
41
42struct url {
43	char		 scheme[URL_SCHEMELEN+1];
44	char		 user[URL_USERLEN+1];
45	char		 pwd[URL_PWDLEN+1];
46	char		 host[MAXHOSTNAMELEN+1];
47	int		 port;
48	char		*doc;
49	off_t		 offset;
50	size_t		 length;
51	time_t		 ims_time;
52	int		 netrcfd;
53};
54
55struct url_stat {
56	off_t		 size;
57	time_t		 atime;
58	time_t		 mtime;
59};
60
61struct url_ent {
62	char		 name[PATH_MAX];
63	struct url_stat	 stat;
64};
65
66/* Recognized schemes */
67#define SCHEME_FTP	"ftp"
68#define SCHEME_HTTP	"http"
69#define SCHEME_HTTPS	"https"
70#define SCHEME_FILE	"file"
71
72/* Error codes */
73#define	FETCH_ABORT	 1
74#define	FETCH_AUTH	 2
75#define	FETCH_DOWN	 3
76#define	FETCH_EXISTS	 4
77#define	FETCH_FULL	 5
78#define	FETCH_INFO	 6
79#define	FETCH_MEMORY	 7
80#define	FETCH_MOVED	 8
81#define	FETCH_NETWORK	 9
82#define	FETCH_OK	10
83#define	FETCH_PROTO	11
84#define	FETCH_RESOLV	12
85#define	FETCH_SERVER	13
86#define	FETCH_TEMP	14
87#define	FETCH_TIMEOUT	15
88#define	FETCH_UNAVAIL	16
89#define	FETCH_UNKNOWN	17
90#define	FETCH_URL	18
91#define	FETCH_VERBOSE	19
92
93__BEGIN_DECLS
94
95/* FILE-specific functions */
96FILE		*fetchXGetFile(struct url *, struct url_stat *, const char *);
97FILE		*fetchGetFile(struct url *, const char *);
98FILE		*fetchPutFile(struct url *, const char *);
99int		 fetchStatFile(struct url *, struct url_stat *, const char *);
100struct url_ent	*fetchListFile(struct url *, const char *);
101
102/* HTTP-specific functions */
103FILE		*fetchXGetHTTP(struct url *, struct url_stat *, const char *);
104FILE		*fetchGetHTTP(struct url *, const char *);
105FILE		*fetchPutHTTP(struct url *, const char *);
106int		 fetchStatHTTP(struct url *, struct url_stat *, const char *);
107struct url_ent	*fetchListHTTP(struct url *, const char *);
108FILE		*fetchReqHTTP(struct url *, const char *, const char *,
109		    const char *, const char *);
110
111/* FTP-specific functions */
112FILE		*fetchXGetFTP(struct url *, struct url_stat *, const char *);
113FILE		*fetchGetFTP(struct url *, const char *);
114FILE		*fetchPutFTP(struct url *, const char *);
115int		 fetchStatFTP(struct url *, struct url_stat *, const char *);
116struct url_ent	*fetchListFTP(struct url *, const char *);
117
118/* Generic functions */
119FILE		*fetchXGetURL(const char *, struct url_stat *, const char *);
120FILE		*fetchGetURL(const char *, const char *);
121FILE		*fetchPutURL(const char *, const char *);
122int		 fetchStatURL(const char *, struct url_stat *, const char *);
123struct url_ent	*fetchListURL(const char *, const char *);
124FILE		*fetchXGet(struct url *, struct url_stat *, const char *);
125FILE		*fetchGet(struct url *, const char *);
126FILE		*fetchPut(struct url *, const char *);
127int		 fetchStat(struct url *, struct url_stat *, const char *);
128struct url_ent	*fetchList(struct url *, const char *);
129
130/* URL parsing */
131struct url	*fetchMakeURL(const char *, const char *, int,
132		     const char *, const char *, const char *);
133struct url	*fetchParseURL(const char *);
134void		 fetchFreeURL(struct url *);
135
136__END_DECLS
137
138/* Authentication */
139typedef int (*auth_t)(struct url *);
140extern auth_t		 fetchAuthMethod;
141
142/* Last error code */
143extern int		 fetchLastErrCode;
144#define MAXERRSTRING 256
145extern char		 fetchLastErrString[MAXERRSTRING];
146
147/* I/O timeout */
148extern int		 fetchTimeout;
149
150/* Restart interrupted syscalls */
151extern int		 fetchRestartCalls;
152
153/* Extra verbosity */
154extern int		 fetchDebug;
155
156#endif
157