lib/libfetch/fetch.h

   1 /*-
   2  * Copyright (c) 1998-2004 Dag-Erling Coïdan Smørgrav
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer
  10  *    in this position and unchanged.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/lib/libfetch/fetch.h,v 1.27 2008/12/15 08:27:44 murray Exp $
  29  * $DragonFly: src/lib/libfetch/fetch.h,v 1.3 2007/08/05 21:48:12 swildner Exp $
  30  */
  31
  32 #ifndef _FETCH_H_INCLUDED
  33 #define _FETCH_H_INCLUDED
  34
  35 #define _LIBFETCH_VER "libfetch/2.0"
  36
  37 #define URL_SCHEMELEN 16
  38 #define URL_USERLEN 256
  39 #define URL_PWDLEN 256
  40
  41 struct url {
  42         char             scheme[URL_SCHEMELEN+1];
  43         char             user[URL_USERLEN+1];
  44         char             pwd[URL_PWDLEN+1];
  45         char             host[MAXHOSTNAMELEN+1];
  46         int              port;
  47         char            *doc;
  48         off_t            offset;
  49         size_t           length;
  50         time_t           ims_time;
  51 };
  52
  53 struct url_stat {
  54         off_t            size;
  55         time_t           atime;
  56         time_t           mtime;
  57 };
  58
  59 struct url_ent {
  60         char             name[PATH_MAX];
  61         struct url_stat  stat;
  62 };
  63
  64 /* Recognized schemes */
  65 #define SCHEME_FTP      "ftp"
  66 #define SCHEME_HTTP     "http"
  67 #define SCHEME_HTTPS    "https"
  68 #define SCHEME_FILE     "file"
  69
  70 /* Error codes */
  71 #define FETCH_ABORT      1
  72 #define FETCH_AUTH       2
  73 #define FETCH_DOWN       3
  74 #define FETCH_EXISTS     4
  75 #define FETCH_FULL       5
  76 #define FETCH_INFO       6
  77 #define FETCH_MEMORY     7
  78 #define FETCH_MOVED      8
  79 #define FETCH_NETWORK    9
  80 #define FETCH_OK        10
  81 #define FETCH_PROTO     11
  82 #define FETCH_RESOLV    12
  83 #define FETCH_SERVER    13
  84 #define FETCH_TEMP      14
  85 #define FETCH_TIMEOUT   15
  86 #define FETCH_UNAVAIL   16
  87 #define FETCH_UNKNOWN   17
  88 #define FETCH_URL       18
  89 #define FETCH_VERBOSE   19
  90
  91 __BEGIN_DECLS
  92
  93 /* FILE-specific functions */
  94 FILE            *fetchXGetFile(struct url *, struct url_stat *, const char *);
  95 FILE            *fetchGetFile(struct url *, const char *);
  96 FILE            *fetchPutFile(struct url *, const char *);
  97 int              fetchStatFile(struct url *, struct url_stat *, const char *);
  98 struct url_ent  *fetchListFile(struct url *, const char *);
  99
 100 /* HTTP-specific functions */
 101 FILE            *fetchXGetHTTP(struct url *, struct url_stat *, const char *);
 102 FILE            *fetchGetHTTP(struct url *, const char *);
 103 FILE            *fetchPutHTTP(struct url *, const char *);
 104 int              fetchStatHTTP(struct url *, struct url_stat *, const char *);
 105 struct url_ent  *fetchListHTTP(struct url *, const char *);
 106
 107 /* FTP-specific functions */
 108 FILE            *fetchXGetFTP(struct url *, struct url_stat *, const char *);
 109 FILE            *fetchGetFTP(struct url *, const char *);
 110 FILE            *fetchPutFTP(struct url *, const char *);
 111 int              fetchStatFTP(struct url *, struct url_stat *, const char *);
 112 struct url_ent  *fetchListFTP(struct url *, const char *);
 113
 114 /* Generic functions */
 115 FILE            *fetchXGetURL(const char *, struct url_stat *, const char *);
 116 FILE            *fetchGetURL(const char *, const char *);
 117 FILE            *fetchPutURL(const char *, const char *);
 118 int              fetchStatURL(const char *, struct url_stat *, const char *);
 119 struct url_ent  *fetchListURL(const char *, const char *);
 120 FILE            *fetchXGet(struct url *, struct url_stat *, const char *);
 121 FILE            *fetchGet(struct url *, const char *);
 122 FILE            *fetchPut(struct url *, const char *);
 123 int              fetchStat(struct url *, struct url_stat *, const char *);
 124 struct url_ent  *fetchList(struct url *, const char *);
 125
 126 /* URL parsing */
 127 struct url      *fetchMakeURL(const char *, const char *, int,
 128                      const char *, const char *, const char *);
 129 struct url      *fetchParseURL(const char *);
 130 void             fetchFreeURL(struct url *);
 131
 132 __END_DECLS
 133
 134 /* Authentication */
 135 typedef int (*auth_t)(struct url *);
 136 extern auth_t            fetchAuthMethod;
 137
 138 /* Last error code */
 139 extern int               fetchLastErrCode;
 140 #define MAXERRSTRING 256
 141 extern char              fetchLastErrString[MAXERRSTRING];
 142
 143 /* I/O timeout */
 144 extern int               fetchTimeout;
 145
 146 /* Restart interrupted syscalls */
 147 extern int               fetchRestartCalls;
 148
 149 /* Extra verbosity */
 150 extern int               fetchDebug;
 151
 152 #endif