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/*
* Copyright 1997 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: fetch.h,v 1.3 1997/02/05 19:59:10 wollman Exp $
*/
#ifndef fetch_h
#define fetch_h 1
#define BUFFER_SIZE 1024
#define FETCH_VERSION "fetch/1.0"
#define PATH_CP "/bin/cp"
struct fetch_state {
const char *fs_status;
const char *fs_outputfile;
int fs_verbose; /* -q, -v option */
int fs_newtime; /* -n option */
int fs_mirror; /* -m option */
int fs_restart; /* -r option */
int fs_timeout; /* -T option */
int fs_passive_mode; /* -p option */
int fs_linkfile; /* -l option */
int fs_precious; /* -R option */
int fs_auto_retry; /* -a option */
int fs_linux_bug; /* -b option */
time_t fs_modtime;
void *fs_proto;
int (*fs_retrieve)(struct fetch_state *);
int (*fs_close)(struct fetch_state *);
};
struct uri_scheme {
const char *sc_name; /* name of the scheme, <32 characters */
int (*sc_parse)(struct fetch_state *, const char *);
/* routine to parse a URI and build state */
int (*sc_proxy_parse)(struct fetch_state *, const char *);
/* same, but for proxy case */
const char *sc_proxy_envar; /* envar used to determine proxy */
const char *sc_proxy_by; /* list of protos which can proxy us */
/* The rest is filled in dynamically... */
int sc_can_proxy;
struct uri_scheme *sc_proxyproto;
};
extern struct uri_scheme file_scheme, ftp_scheme, http_scheme;
void adjmodtime(struct fetch_state *fs);
void catchsig(int signo);
void display(struct fetch_state *fs, off_t total, ssize_t thisincr);
void init_schemes(void);
void rm(struct fetch_state *fs);
void setup_sigalrm(void);
void unsetup_sigalrm(void);
void *safe_malloc(size_t len);
char *percent_decode(const char *orig);
char *safe_strdup(const char *orig);
char *safe_strndup(const char *orig, size_t len);
char *to_base64(const unsigned char *buf, size_t len);
int from_base64(const char *orig, unsigned char *buf, size_t *lenp);
int parse_host_port(const char *str, char **hostname, int *port);
int parse_uri(struct fetch_state *fs, const char *uri);
#endif /* ! fetch_h */
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