2 * Copyright (c) 2000-2004 Dag-Erling Coïdan Smørgrav
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
28 * $FreeBSD: src/lib/libfetch/http.c,v 1.78 2007/05/08 19:28:03 des Exp $
29 * $DragonFly: src/lib/libfetch/http.c,v 1.4 2007/08/05 21:48:12 swildner Exp $
33 * The following copyright applies to the base64 code:
36 * Copyright 1997 Massachusetts Institute of Technology
38 * Permission to use, copy, modify, and distribute this software and
39 * its documentation for any purpose and without fee is hereby
40 * granted, provided that both the above copyright notice and this
41 * permission notice appear in all copies, that both the above
42 * copyright notice and this permission notice appear in all
43 * supporting documentation, and that the name of M.I.T. not be used
44 * in advertising or publicity pertaining to distribution of the
45 * software without specific, written prior permission. M.I.T. makes
46 * no representations about the suitability of this software for any
47 * purpose. It is provided "as is" without express or implied
50 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
51 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
52 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
53 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
54 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
57 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
58 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
60 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64 #include <sys/param.h>
65 #include <sys/socket.h>
79 #include <netinet/in.h>
80 #include <netinet/tcp.h>
86 /* Maximum number of redirects to follow */
87 #define MAX_REDIRECT 5
89 /* Symbolic names for reply codes we care about */
91 #define HTTP_PARTIAL 206
92 #define HTTP_MOVED_PERM 301
93 #define HTTP_MOVED_TEMP 302
94 #define HTTP_SEE_OTHER 303
95 #define HTTP_TEMP_REDIRECT 307
96 #define HTTP_NEED_AUTH 401
97 #define HTTP_NEED_PROXY_AUTH 407
98 #define HTTP_BAD_RANGE 416
99 #define HTTP_PROTOCOL_ERROR 999
101 #define HTTP_REDIRECT(xyz) ((xyz) == HTTP_MOVED_PERM \
102 || (xyz) == HTTP_MOVED_TEMP \
103 || (xyz) == HTTP_TEMP_REDIRECT \
104 || (xyz) == HTTP_SEE_OTHER)
106 #define HTTP_ERROR(xyz) ((xyz) > 400 && (xyz) < 599)
109 /*****************************************************************************
110 * I/O functions for decoding chunked streams
115 conn_t *conn; /* connection */
116 int chunked; /* chunked mode */
117 char *buf; /* chunk buffer */
118 size_t bufsize; /* size of chunk buffer */
119 ssize_t buflen; /* amount of data currently in buffer */
120 int bufpos; /* current read offset in buffer */
121 int eof; /* end-of-file flag */
122 int error; /* error flag */
123 size_t chunksize; /* remaining size of current chunk */
130 * Get next chunk header
133 _http_new_chunk(struct httpio *io)
137 if (_fetch_getln(io->conn) == -1)
140 if (io->conn->buflen < 2 || !isxdigit(*io->conn->buf))
143 for (p = io->conn->buf; *p && !isspace(*p); ++p) {
149 io->chunksize = io->chunksize * 16 +
152 io->chunksize = io->chunksize * 16 +
153 10 + tolower(*p) - 'a';
159 io->total += io->chunksize;
160 if (io->chunksize == 0)
161 fprintf(stderr, "%s(): end of last chunk\n", __func__);
163 fprintf(stderr, "%s(): new chunk: %lu (%lu)\n",
164 __func__, (unsigned long)io->chunksize,
165 (unsigned long)io->total);
169 return (io->chunksize);
173 * Grow the input buffer to at least len bytes
176 _http_growbuf(struct httpio *io, size_t len)
180 if (io->bufsize >= len)
183 if ((tmp = realloc(io->buf, len)) == NULL)
191 * Fill the input buffer, do chunk decoding on the fly
194 _http_fillbuf(struct httpio *io, size_t len)
201 if (io->chunked == 0) {
202 if (_http_growbuf(io, len) == -1)
204 if ((io->buflen = _fetch_read(io->conn, io->buf, len)) == -1) {
212 if (io->chunksize == 0) {
213 switch (_http_new_chunk(io)) {
223 if (len > io->chunksize)
225 if (_http_growbuf(io, len) == -1)
227 if ((io->buflen = _fetch_read(io->conn, io->buf, len)) == -1) {
231 io->chunksize -= io->buflen;
233 if (io->chunksize == 0) {
236 if (_fetch_read(io->conn, endl, 2) != 2 ||
237 endl[0] != '\r' || endl[1] != '\n')
250 _http_readfn(void *v, char *buf, int len)
252 struct httpio *io = (struct httpio *)v;
260 for (pos = 0; len > 0; pos += l, len -= l) {
262 if (!io->buf || io->bufpos == io->buflen)
263 if (_http_fillbuf(io, len) < 1)
265 l = io->buflen - io->bufpos;
268 bcopy(io->buf + io->bufpos, buf + pos, l);
272 if (!pos && io->error)
281 _http_writefn(void *v, const char *buf, int len)
283 struct httpio *io = (struct httpio *)v;
285 return (_fetch_write(io->conn, buf, len));
292 _http_closefn(void *v)
294 struct httpio *io = (struct httpio *)v;
297 r = _fetch_close(io->conn);
305 * Wrap a file descriptor up
308 _http_funopen(conn_t *conn, int chunked)
313 if ((io = calloc(1, sizeof(*io))) == NULL) {
318 io->chunked = chunked;
319 f = funopen(io, _http_readfn, _http_writefn, NULL, _http_closefn);
329 /*****************************************************************************
330 * Helper functions for talking to the server and parsing its replies
343 hdr_transfer_encoding,
347 /* Names of interesting headers */
352 { hdr_content_length, "Content-Length" },
353 { hdr_content_range, "Content-Range" },
354 { hdr_last_modified, "Last-Modified" },
355 { hdr_location, "Location" },
356 { hdr_transfer_encoding, "Transfer-Encoding" },
357 { hdr_www_authenticate, "WWW-Authenticate" },
358 { hdr_unknown, NULL },
362 * Send a formatted line; optionally echo to terminal
365 _http_cmd(conn_t *conn, const char *fmt, ...)
373 len = vasprintf(&msg, fmt, ap);
382 r = _fetch_putln(conn, msg, len);
394 * Get and parse status line
397 _http_get_reply(conn_t *conn)
401 if (_fetch_getln(conn) == -1)
404 * A valid status line looks like "HTTP/m.n xyz reason" where m
405 * and n are the major and minor protocol version numbers and xyz
407 * Unfortunately, there are servers out there (NCSA 1.5.1, to name
408 * just one) that do not send a version number, so we can't rely
409 * on finding one, but if we do, insist on it being 1.0 or 1.1.
410 * We don't care about the reason phrase.
412 if (strncmp(conn->buf, "HTTP", 4) != 0)
413 return (HTTP_PROTOCOL_ERROR);
416 if (p[1] != '1' || p[2] != '.' || (p[3] != '0' && p[3] != '1'))
417 return (HTTP_PROTOCOL_ERROR);
420 if (*p != ' ' || !isdigit(p[1]) || !isdigit(p[2]) || !isdigit(p[3]))
421 return (HTTP_PROTOCOL_ERROR);
423 conn->err = (p[1] - '0') * 100 + (p[2] - '0') * 10 + (p[3] - '0');
428 * Check a header; if the type matches the given string, return a pointer
429 * to the beginning of the value.
432 _http_match(const char *str, const char *hdr)
434 while (*str && *hdr && tolower(*str++) == tolower(*hdr++))
436 if (*str || *hdr != ':')
438 while (*hdr && isspace(*++hdr))
444 * Get the next header and return the appropriate symbolic code.
447 _http_next_header(conn_t *conn, const char **p)
451 if (_fetch_getln(conn) == -1)
452 return (hdr_syserror);
453 while (conn->buflen && isspace(conn->buf[conn->buflen - 1]))
455 conn->buf[conn->buflen] = '\0';
456 if (conn->buflen == 0)
459 * We could check for malformed headers but we don't really care.
460 * A valid header starts with a token immediately followed by a
461 * colon; a token is any sequence of non-control, non-whitespace
462 * characters except "()<>@,;:\\\"{}".
464 for (i = 0; hdr_names[i].num != hdr_unknown; i++)
465 if ((*p = _http_match(hdr_names[i].name, conn->buf)) != NULL)
466 return (hdr_names[i].num);
467 return (hdr_unknown);
471 * Parse a last-modified header
474 _http_parse_mtime(const char *p, time_t *mtime)
479 strncpy(locale, setlocale(LC_TIME, NULL), sizeof(locale));
480 setlocale(LC_TIME, "C");
481 r = strptime(p, "%a, %d %b %Y %H:%M:%S GMT", &tm);
482 /* XXX should add support for date-2 and date-3 */
483 setlocale(LC_TIME, locale);
486 DEBUG(fprintf(stderr, "last modified: [%04d-%02d-%02d "
488 tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
489 tm.tm_hour, tm.tm_min, tm.tm_sec));
490 *mtime = timegm(&tm);
495 * Parse a content-length header
498 _http_parse_length(const char *p, off_t *length)
502 for (len = 0; *p && isdigit(*p); ++p)
503 len = len * 10 + (*p - '0');
506 DEBUG(fprintf(stderr, "content length: [%lld]\n",
513 * Parse a content-range header
516 _http_parse_range(const char *p, off_t *offset, off_t *length, off_t *size)
518 off_t first, last, len;
520 if (strncasecmp(p, "bytes ", 6) != 0)
527 for (first = 0; *p && isdigit(*p); ++p)
528 first = first * 10 + *p - '0';
531 for (last = 0, ++p; *p && isdigit(*p); ++p)
532 last = last * 10 + *p - '0';
534 if (first > last || *p != '/')
536 for (len = 0, ++p; *p && isdigit(*p); ++p)
537 len = len * 10 + *p - '0';
538 if (*p || len < last - first + 1)
541 DEBUG(fprintf(stderr, "content range: [*/%lld]\n",
545 DEBUG(fprintf(stderr, "content range: [%lld-%lld/%lld]\n",
546 (long long)first, (long long)last, (long long)len));
547 *length = last - first + 1;
555 /*****************************************************************************
556 * Helper functions for authorization
563 _http_base64(const char *src)
565 static const char base64[] =
566 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
567 "abcdefghijklmnopqrstuvwxyz"
574 if ((str = malloc(((l + 2) / 3) * 4 + 1)) == NULL)
580 t = (src[0] << 16) | (src[1] << 8) | src[2];
581 dst[0] = base64[(t >> 18) & 0x3f];
582 dst[1] = base64[(t >> 12) & 0x3f];
583 dst[2] = base64[(t >> 6) & 0x3f];
584 dst[3] = base64[(t >> 0) & 0x3f];
591 t = (src[0] << 16) | (src[1] << 8);
592 dst[0] = base64[(t >> 18) & 0x3f];
593 dst[1] = base64[(t >> 12) & 0x3f];
594 dst[2] = base64[(t >> 6) & 0x3f];
601 dst[0] = base64[(t >> 18) & 0x3f];
602 dst[1] = base64[(t >> 12) & 0x3f];
603 dst[2] = dst[3] = '=';
616 * Encode username and password
619 _http_basic_auth(conn_t *conn, const char *hdr, const char *usr, const char *pwd)
624 DEBUG(fprintf(stderr, "usr: [%s]\n", usr));
625 DEBUG(fprintf(stderr, "pwd: [%s]\n", pwd));
626 if (asprintf(&upw, "%s:%s", usr, pwd) == -1)
628 auth = _http_base64(upw);
632 r = _http_cmd(conn, "%s: Basic %s", hdr, auth);
638 * Send an authorization header
641 _http_authorize(conn_t *conn, const char *hdr, const char *p)
643 /* basic authorization */
644 if (strncasecmp(p, "basic:", 6) == 0) {
645 char *user, *pwd, *str;
649 for (p += 6; *p && *p != ':'; ++p)
651 if (!*p || strchr(++p, ':') == NULL)
653 if ((str = strdup(p)) == NULL)
654 return (-1); /* XXX */
656 pwd = strchr(str, ':');
658 r = _http_basic_auth(conn, hdr, user, pwd);
666 /*****************************************************************************
667 * Helper functions for connecting to a server or proxy
671 * Connect to the correct HTTP server or proxy.
674 _http_connect(struct url *URL, struct url *purl, const char *flags)
686 verbose = CHECK_FLAG('v');
690 else if (CHECK_FLAG('6'))
694 if (purl && strcasecmp(URL->scheme, SCHEME_HTTPS) != 0) {
696 } else if (strcasecmp(URL->scheme, SCHEME_FTP) == 0) {
697 /* can't talk http to an ftp server */
698 /* XXX should set an error code */
702 if ((conn = _fetch_connect(URL->host, URL->port, af, verbose)) == NULL)
703 /* _fetch_connect() has already set an error code */
705 if (strcasecmp(URL->scheme, SCHEME_HTTPS) == 0 &&
706 _fetch_ssl(conn, verbose) == -1) {
715 setsockopt(conn->sd, IPPROTO_TCP, TCP_NOPUSH, &val, sizeof(val));
721 _http_get_proxy(const char *flags)
726 if (flags != NULL && strchr(flags, 'd') != NULL)
728 if (((p = getenv("HTTP_PROXY")) || (p = getenv("http_proxy"))) &&
729 *p && (purl = fetchParseURL(p))) {
731 strcpy(purl->scheme, SCHEME_HTTP);
733 purl->port = _fetch_default_proxy_port(purl->scheme);
734 if (strcasecmp(purl->scheme, SCHEME_HTTP) == 0)
742 _http_print_html(FILE *out, FILE *in)
749 while ((line = fgetln(in, &len)) != NULL) {
750 while (len && isspace(line[len - 1]))
752 for (p = q = line; q < line + len; ++q) {
753 if (comment && *q == '-') {
754 if (q + 2 < line + len &&
755 strcmp(q, "-->") == 0) {
759 } else if (tag && !comment && *q == '>') {
762 } else if (!tag && *q == '<') {
764 fwrite(p, q - p, 1, out);
766 if (q + 3 < line + len &&
767 strcmp(q, "<!--") == 0) {
774 fwrite(p, q - p, 1, out);
780 /*****************************************************************************
785 * Send a request and process the reply
787 * XXX This function is way too long, the do..while loop should be split
788 * XXX off into a separate function.
791 _http_request(struct url *URL, const char *op, struct url_stat *us,
792 struct url *purl, const char *flags)
795 struct url *url, *new;
796 int chunked, direct, need_auth, noredirect, verbose;
798 off_t offset, clength, length, size;
803 char hbuf[MAXHOSTNAMELEN + 7], *host;
805 direct = CHECK_FLAG('d');
806 noredirect = CHECK_FLAG('A');
807 verbose = CHECK_FLAG('v');
809 if (direct && purl) {
814 /* try the provided URL first */
817 /* if the A flag is set, we only get one try */
818 n = noredirect ? 1 : MAX_REDIRECT;
821 e = HTTP_PROTOCOL_ERROR;
834 url->port = _fetch_default_port(url->scheme);
836 /* were we redirected to an FTP URL? */
837 if (purl == NULL && strcmp(url->scheme, SCHEME_FTP) == 0) {
838 if (strcmp(op, "GET") == 0)
839 return (_ftp_request(url, "RETR", us, purl, flags));
840 else if (strcmp(op, "HEAD") == 0)
841 return (_ftp_request(url, "STAT", us, purl, flags));
844 /* connect to server or proxy */
845 if ((conn = _http_connect(url, purl, flags)) == NULL)
850 if (strchr(url->host, ':')) {
851 snprintf(hbuf, sizeof(hbuf), "[%s]", url->host);
855 if (url->port != _fetch_default_port(url->scheme)) {
860 snprintf(hbuf + strlen(hbuf),
861 sizeof(hbuf) - strlen(hbuf), ":%d", url->port);
866 _fetch_info("requesting %s://%s%s",
867 url->scheme, host, url->doc);
869 _http_cmd(conn, "%s %s://%s%s HTTP/1.1",
870 op, url->scheme, host, url->doc);
872 _http_cmd(conn, "%s %s HTTP/1.1",
877 _http_cmd(conn, "Host: %s", host);
879 /* proxy authorization */
881 if (*purl->user || *purl->pwd)
882 _http_basic_auth(conn, "Proxy-Authorization",
883 purl->user, purl->pwd);
884 else if ((p = getenv("HTTP_PROXY_AUTH")) != NULL && *p != '\0')
885 _http_authorize(conn, "Proxy-Authorization", p);
888 /* server authorization */
889 if (need_auth || *url->user || *url->pwd) {
890 if (*url->user || *url->pwd)
891 _http_basic_auth(conn, "Authorization", url->user, url->pwd);
892 else if ((p = getenv("HTTP_AUTH")) != NULL && *p != '\0')
893 _http_authorize(conn, "Authorization", p);
894 else if (fetchAuthMethod && fetchAuthMethod(url) == 0) {
895 _http_basic_auth(conn, "Authorization", url->user, url->pwd);
897 _http_seterr(HTTP_NEED_AUTH);
903 if ((p = getenv("HTTP_REFERER")) != NULL && *p != '\0') {
904 if (strcasecmp(p, "auto") == 0)
905 _http_cmd(conn, "Referer: %s://%s%s",
906 url->scheme, host, url->doc);
908 _http_cmd(conn, "Referer: %s", p);
910 if ((p = getenv("HTTP_USER_AGENT")) != NULL && *p != '\0')
911 _http_cmd(conn, "User-Agent: %s", p);
913 _http_cmd(conn, "User-Agent: %s " _LIBFETCH_VER, getprogname());
915 _http_cmd(conn, "Range: bytes=%lld-", (long long)url->offset);
916 _http_cmd(conn, "Connection: close");
920 * Force the queued request to be dispatched. Normally, one
921 * would do this with shutdown(2) but squid proxies can be
922 * configured to disallow such half-closed connections. To
923 * be compatible with such configurations, fiddle with socket
924 * options to force the pending data to be written.
927 setsockopt(conn->sd, IPPROTO_TCP, TCP_NOPUSH, &val,
930 setsockopt(conn->sd, IPPROTO_TCP, TCP_NODELAY, &val,
934 switch (_http_get_reply(conn)) {
939 case HTTP_MOVED_PERM:
940 case HTTP_MOVED_TEMP:
943 * Not so fine, but we still have to read the
944 * headers to get the new location.
950 * We already sent out authorization code,
951 * so there's nothing more we can do.
953 _http_seterr(conn->err);
956 /* try again, but send the password this time */
958 _fetch_info("server requires authorization");
960 case HTTP_NEED_PROXY_AUTH:
962 * If we're talking to a proxy, we already sent
963 * our proxy authorization code, so there's
964 * nothing more we can do.
966 _http_seterr(conn->err);
970 * This can happen if we ask for 0 bytes because
971 * we already have the whole file. Consider this
972 * a success for now, and check sizes later.
975 case HTTP_PROTOCOL_ERROR:
981 _http_seterr(conn->err);
984 /* fall through so we can get the full error message */
989 switch ((h = _http_next_header(conn, &p))) {
994 _http_seterr(HTTP_PROTOCOL_ERROR);
996 case hdr_content_length:
997 _http_parse_length(p, &clength);
999 case hdr_content_range:
1000 _http_parse_range(p, &offset, &length, &size);
1002 case hdr_last_modified:
1003 _http_parse_mtime(p, &mtime);
1006 if (!HTTP_REDIRECT(conn->err))
1011 _fetch_info("%d redirect to %s", conn->err, p);
1014 new = fetchMakeURL(url->scheme, url->host, url->port, p,
1015 url->user, url->pwd);
1017 new = fetchParseURL(p);
1019 /* XXX should set an error code */
1020 DEBUG(fprintf(stderr, "failed to parse new URL\n"));
1023 if (!*new->user && !*new->pwd) {
1024 strcpy(new->user, url->user);
1025 strcpy(new->pwd, url->pwd);
1027 new->offset = url->offset;
1028 new->length = url->length;
1030 case hdr_transfer_encoding:
1032 chunked = (strcasecmp(p, "chunked") == 0);
1034 case hdr_www_authenticate:
1035 if (conn->err != HTTP_NEED_AUTH)
1037 /* if we were smarter, we'd check the method and realm */
1045 } while (h > hdr_end);
1047 /* we need to provide authentication */
1048 if (conn->err == HTTP_NEED_AUTH) {
1056 /* requested range not satisfiable */
1057 if (conn->err == HTTP_BAD_RANGE) {
1058 if (url->offset == size && url->length == 0) {
1059 /* asked for 0 bytes; fake it */
1060 offset = url->offset;
1061 conn->err = HTTP_OK;
1064 _http_seterr(conn->err);
1069 /* we have a hit or an error */
1070 if (conn->err == HTTP_OK || conn->err == HTTP_PARTIAL || HTTP_ERROR(conn->err))
1073 /* all other cases: we got a redirect */
1079 DEBUG(fprintf(stderr, "redirect with no new location\n"));
1087 /* we failed, or ran out of retries */
1093 DEBUG(fprintf(stderr, "offset %lld, length %lld,"
1094 " size %lld, clength %lld\n",
1095 (long long)offset, (long long)length,
1096 (long long)size, (long long)clength));
1098 /* check for inconsistencies */
1099 if (clength != -1 && length != -1 && clength != length) {
1100 _http_seterr(HTTP_PROTOCOL_ERROR);
1106 length = offset + clength;
1107 if (length != -1 && size != -1 && length != size) {
1108 _http_seterr(HTTP_PROTOCOL_ERROR);
1117 us->atime = us->mtime = mtime;
1121 if (URL->offset > 0 && offset > URL->offset) {
1122 _http_seterr(HTTP_PROTOCOL_ERROR);
1126 /* report back real offset and size */
1127 URL->offset = offset;
1128 URL->length = clength;
1130 /* wrap it up in a FILE */
1131 if ((f = _http_funopen(conn, chunked)) == NULL) {
1141 if (HTTP_ERROR(conn->err)) {
1142 _http_print_html(stderr, f);
1160 /*****************************************************************************
1165 * Retrieve and stat a file by HTTP
1168 fetchXGetHTTP(struct url *URL, struct url_stat *us, const char *flags)
1170 return (_http_request(URL, "GET", us, _http_get_proxy(flags), flags));
1174 * Retrieve a file by HTTP
1177 fetchGetHTTP(struct url *URL, const char *flags)
1179 return (fetchXGetHTTP(URL, NULL, flags));
1183 * Store a file by HTTP
1186 fetchPutHTTP(struct url *URL __unused, const char *flags __unused)
1188 warnx("fetchPutHTTP(): not implemented");
1193 * Get an HTTP document's metadata
1196 fetchStatHTTP(struct url *URL, struct url_stat *us, const char *flags)
1200 f = _http_request(URL, "HEAD", us, _http_get_proxy(flags), flags);
1211 fetchListHTTP(struct url *url __unused, const char *flags __unused)
1213 warnx("fetchListHTTP(): not implemented");