2 * uclient - ustream based protocol client library
4 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
6 * Permission to use, copy, modify, and/or 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.
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.
23 #include <libubox/ustream.h>
24 #include <libubox/ustream-ssl.h>
25 #include <libubox/usock.h>
26 #include <libubox/blobmsg.h>
29 #include "uclient-utils.h"
30 #include "uclient-backend.h"
50 HTTP_STATE_HEADERS_SENT
,
51 HTTP_STATE_REQUEST_DONE
,
52 HTTP_STATE_RECV_HEADERS
,
57 static const char * const request_types
[__REQ_MAX
] = {
62 [REQ_DELETE
] = "DELETE",
68 const struct ustream_ssl_ops
*ssl_ops
;
69 struct ustream_ssl_ctx
*ssl_ctx
;
72 struct ustream_fd ufd
;
73 struct ustream_ssl ussl
;
75 struct uloop_timeout disconnect_t
;
78 bool ssl_require_validation
;
81 bool connection_close
;
83 enum request_type req_type
;
84 enum http_state state
;
86 enum auth_type auth_type
;
94 struct blob_buf headers
;
104 static const char * const uclient_http_prefix
[] = {
105 [PREFIX_HTTP
] = "http://",
106 [PREFIX_HTTPS
] = "https://",
107 [__PREFIX_MAX
] = NULL
110 static int uclient_do_connect(struct uclient_http
*uh
, const char *port
)
115 if (uh
->uc
.url
->port
)
116 port
= uh
->uc
.url
->port
;
118 memset(&uh
->uc
.remote_addr
, 0, sizeof(uh
->uc
.remote_addr
));
120 fd
= usock_inet(USOCK_TCP
| USOCK_NONBLOCK
, uh
->uc
.url
->host
, port
, &uh
->uc
.remote_addr
);
124 ustream_fd_init(&uh
->ufd
, fd
);
126 sl
= sizeof(uh
->uc
.local_addr
);
127 memset(&uh
->uc
.local_addr
, 0, sl
);
128 getsockname(fd
, &uh
->uc
.local_addr
.sa
, &sl
);
133 static void uclient_http_disconnect(struct uclient_http
*uh
)
135 uloop_timeout_cancel(&uh
->disconnect_t
);
140 ustream_free(&uh
->ussl
.stream
);
141 ustream_free(&uh
->ufd
.stream
);
142 close(uh
->ufd
.fd
.fd
);
146 static void uclient_http_free_url_state(struct uclient
*cl
)
148 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
150 uh
->auth_type
= AUTH_TYPE_UNKNOWN
;
153 uclient_http_disconnect(uh
);
156 static void uclient_http_error(struct uclient_http
*uh
, int code
)
158 uh
->state
= HTTP_STATE_ERROR
;
160 ustream_state_change(uh
->us
);
161 uclient_backend_set_error(&uh
->uc
, code
);
164 static void uclient_http_request_disconnect(struct uclient
*cl
)
166 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
172 uh
->disconnect
= true;
173 uloop_timeout_set(&uh
->disconnect_t
, 1);
176 static void uclient_notify_eof(struct uclient_http
*uh
)
178 struct ustream
*us
= uh
->us
;
184 if (!us
->eof
&& !us
->write_error
)
187 if (ustream_pending_data(us
, false))
191 uclient_backend_set_eof(&uh
->uc
);
193 if (uh
->connection_close
)
194 uclient_http_request_disconnect(&uh
->uc
);
197 static void uclient_http_reset_state(struct uclient_http
*uh
)
200 uclient_backend_reset_state(&uh
->uc
);
201 uh
->read_chunked
= -1;
202 uh
->content_length
= -1;
204 uh
->disconnect
= false;
205 uh
->connection_close
= false;
206 uh
->state
= HTTP_STATE_INIT
;
208 if (uh
->auth_type
== AUTH_TYPE_UNKNOWN
&& !uh
->uc
.url
->auth
)
209 uh
->auth_type
= AUTH_TYPE_NONE
;
212 static void uclient_http_init_request(struct uclient_http
*uh
)
215 uclient_http_reset_state(uh
);
216 blob_buf_init(&uh
->meta
, 0);
219 static enum auth_type
220 uclient_http_update_auth_type(struct uclient_http
*uh
)
223 return AUTH_TYPE_NONE
;
225 if (!strncasecmp(uh
->auth_str
, "basic", 5))
226 return AUTH_TYPE_BASIC
;
228 if (!strncasecmp(uh
->auth_str
, "digest", 6))
229 return AUTH_TYPE_DIGEST
;
231 return AUTH_TYPE_NONE
;
234 static void uclient_http_process_headers(struct uclient_http
*uh
)
237 HTTP_HDR_TRANSFER_ENCODING
,
239 HTTP_HDR_CONTENT_LENGTH
,
243 static const struct blobmsg_policy hdr_policy
[__HTTP_HDR_MAX
] = {
244 #define hdr(_name) { .name = _name, .type = BLOBMSG_TYPE_STRING }
245 [HTTP_HDR_TRANSFER_ENCODING
] = hdr("transfer-encoding"),
246 [HTTP_HDR_CONNECTION
] = hdr("connection"),
247 [HTTP_HDR_CONTENT_LENGTH
] = hdr("content-length"),
248 [HTTP_HDR_AUTH
] = hdr("www-authenticate"),
251 struct blob_attr
*tb
[__HTTP_HDR_MAX
];
252 struct blob_attr
*cur
;
254 blobmsg_parse(hdr_policy
, __HTTP_HDR_MAX
, tb
, blob_data(uh
->meta
.head
), blob_len(uh
->meta
.head
));
256 cur
= tb
[HTTP_HDR_TRANSFER_ENCODING
];
257 if (cur
&& strstr(blobmsg_data(cur
), "chunked"))
258 uh
->read_chunked
= 0;
260 cur
= tb
[HTTP_HDR_CONNECTION
];
261 if (cur
&& strstr(blobmsg_data(cur
), "close"))
262 uh
->connection_close
= true;
264 cur
= tb
[HTTP_HDR_CONTENT_LENGTH
];
266 uh
->content_length
= strtoul(blobmsg_data(cur
), NULL
, 10);
268 cur
= tb
[HTTP_HDR_AUTH
];
271 uh
->auth_str
= strdup(blobmsg_data(cur
));
274 uh
->auth_type
= uclient_http_update_auth_type(uh
);
278 uclient_http_add_auth_basic(struct uclient_http
*uh
)
280 struct uclient_url
*url
= uh
->uc
.url
;
281 int auth_len
= strlen(url
->auth
);
287 auth_buf
= alloca(base64_len(auth_len
) + 1);
288 base64_encode(url
->auth
, auth_len
, auth_buf
);
289 ustream_printf(uh
->us
, "Authorization: Basic %s\r\n", auth_buf
);
292 static char *digest_unquote_sep(char **str
)
294 char *cur
= *str
+ 1;
326 static char *digest_sep(char **str
)
331 next
= strchr(*str
, ',');
336 *str
+= strlen(*str
);
342 static bool strmatch(char **str
, const char *prefix
)
344 int len
= strlen(prefix
);
346 if (strncmp(*str
, prefix
, len
) != 0 || (*str
)[len
] != '=')
354 get_cnonce(char *dest
)
359 f
= fopen("/dev/urandom", "r");
361 fread(&val
, sizeof(val
), 1, f
);
365 bin_to_hex(dest
, &val
, sizeof(val
));
368 static void add_field(char **buf
, int *ofs
, int *len
, const char *name
, const char *val
)
370 int available
= *len
- *ofs
;
378 required
= strlen(name
) + 4 + strlen(val
) * 2;
379 if (required
> available
)
380 *len
+= required
- available
+ 64;
382 *buf
= realloc(*buf
, *len
);
387 cur
+= sprintf(cur
, ", %s=\"", name
);
389 while ((next
= strchr(val
, '"'))) {
391 memcpy(cur
, val
, next
- val
);
395 cur
+= sprintf(cur
, "\\\"");
399 cur
+= sprintf(cur
, "%s\"", val
);
404 uclient_http_add_auth_digest(struct uclient_http
*uh
)
406 struct uclient_url
*url
= uh
->uc
.url
;
407 const char *realm
= NULL
, *opaque
= NULL
;
408 const char *user
, *password
;
417 struct http_digest_data data
= {
419 .cnonce
= cnonce_str
,
423 len
= strlen(uh
->auth_str
) + 1;
428 strcpy(buf
, uh
->auth_str
);
435 const char **dest
= NULL
;
438 while (*next
&& isspace(*next
))
441 if (strmatch(&next
, "realm"))
443 else if (strmatch(&next
, "qop"))
445 else if (strmatch(&next
, "nonce"))
447 else if (strmatch(&next
, "opaque"))
449 else if (strmatch(&next
, "stale") ||
450 strmatch(&next
, "algorithm") ||
451 strmatch(&next
, "auth-param")) {
454 } else if (strmatch(&next
, "domain") ||
455 strmatch(&next
, "qop-options"))
462 *dest
= digest_unquote_sep(&next
);
465 if (!realm
|| !data
.qop
|| !data
.nonce
)
468 sprintf(nc_str
, "%08x", uh
->nc
++);
469 get_cnonce(cnonce_str
);
472 data
.uri
= url
->location
;
473 data
.method
= request_types
[uh
->req_type
];
475 password
= strchr(url
->auth
, ':');
479 len
= password
- url
->auth
;
483 user_buf
= alloca(len
+ 1);
484 strncpy(user_buf
, url
->auth
, len
);
493 http_digest_calculate_auth_hash(ahash
, user
, realm
, password
);
494 http_digest_calculate_response(hash
, &data
);
500 add_field(&buf
, &ofs
, &len
, "username", user
);
501 add_field(&buf
, &ofs
, &len
, "realm", realm
);
502 add_field(&buf
, &ofs
, &len
, "nonce", data
.nonce
);
503 add_field(&buf
, &ofs
, &len
, "uri", data
.uri
);
504 add_field(&buf
, &ofs
, &len
, "cnonce", data
.cnonce
);
505 add_field(&buf
, &ofs
, &len
, "response", hash
);
507 add_field(&buf
, &ofs
, &len
, "opaque", opaque
);
509 ustream_printf(uh
->us
, "Authorization: Digest nc=%s, qop=%s%s\r\n", data
.nc
, data
.qop
, buf
);
514 uclient_http_add_auth_header(struct uclient_http
*uh
)
516 if (!uh
->uc
.url
->auth
)
519 switch (uh
->auth_type
) {
520 case AUTH_TYPE_UNKNOWN
:
523 case AUTH_TYPE_BASIC
:
524 uclient_http_add_auth_basic(uh
);
526 case AUTH_TYPE_DIGEST
:
527 uclient_http_add_auth_digest(uh
);
533 uclient_http_send_headers(struct uclient_http
*uh
)
535 struct uclient_url
*url
= uh
->uc
.url
;
536 struct blob_attr
*cur
;
537 enum request_type req_type
= uh
->req_type
;
540 if (uh
->state
>= HTTP_STATE_HEADERS_SENT
)
543 if (uh
->uc
.proxy_url
)
544 url
= uh
->uc
.proxy_url
;
546 ustream_printf(uh
->us
,
549 request_types
[req_type
],
550 url
->location
, url
->host
);
552 blobmsg_for_each_attr(cur
, uh
->headers
.head
, rem
)
553 ustream_printf(uh
->us
, "%s: %s\r\n", blobmsg_name(cur
), (char *) blobmsg_data(cur
));
555 if (uh
->req_type
== REQ_POST
|| uh
->req_type
== REQ_PUT
)
556 ustream_printf(uh
->us
, "Transfer-Encoding: chunked\r\n");
558 uclient_http_add_auth_header(uh
);
560 ustream_printf(uh
->us
, "\r\n");
562 uh
->state
= HTTP_STATE_HEADERS_SENT
;
565 static void uclient_http_headers_complete(struct uclient_http
*uh
)
567 enum auth_type auth_type
= uh
->auth_type
;
568 int seq
= uh
->uc
.seq
;
570 uh
->state
= HTTP_STATE_RECV_DATA
;
571 uh
->uc
.meta
= uh
->meta
.head
;
572 uclient_http_process_headers(uh
);
574 if (auth_type
== AUTH_TYPE_UNKNOWN
&& uh
->uc
.status_code
== 401 &&
575 (uh
->req_type
== REQ_HEAD
|| uh
->req_type
== REQ_GET
)) {
576 uclient_http_init_request(uh
);
577 uclient_http_send_headers(uh
);
578 uh
->state
= HTTP_STATE_REQUEST_DONE
;
582 if (uh
->uc
.cb
->header_done
)
583 uh
->uc
.cb
->header_done(&uh
->uc
);
585 if (uh
->eof
|| seq
!= uh
->uc
.seq
)
588 if (uh
->req_type
== REQ_HEAD
|| uh
->uc
.status_code
== 204) {
590 uclient_notify_eof(uh
);
594 static void uclient_parse_http_line(struct uclient_http
*uh
, char *data
)
599 if (uh
->state
== HTTP_STATE_REQUEST_DONE
) {
608 code
= strsep(&data
, " ");
612 uh
->uc
.status_code
= strtoul(code
, &sep
, 10);
616 uh
->state
= HTTP_STATE_RECV_HEADERS
;
621 uclient_http_headers_complete(uh
);
625 sep
= strchr(data
, ':');
631 for (name
= data
; *name
; name
++)
632 *name
= tolower(*name
);
635 while (isspace(*sep
))
638 blobmsg_add_string(&uh
->meta
, name
, sep
);
642 uh
->uc
.status_code
= 400;
644 uclient_notify_eof(uh
);
647 static void __uclient_notify_read(struct uclient_http
*uh
)
649 struct uclient
*uc
= &uh
->uc
;
650 unsigned int seq
= uh
->seq
;
654 if (uh
->state
< HTTP_STATE_REQUEST_DONE
|| uh
->state
== HTTP_STATE_ERROR
)
657 data
= ustream_get_read_buf(uh
->us
, &len
);
661 if (uh
->state
< HTTP_STATE_RECV_DATA
) {
666 sep
= strstr(data
, "\r\n");
670 /* Check for multi-line HTTP headers */
675 if (isspace(sep
[2]) && sep
[2] != '\r') {
683 cur_len
= sep
+ 2 - data
;
684 uclient_parse_http_line(uh
, data
);
688 ustream_consume(uh
->us
, cur_len
);
694 data
= ustream_get_read_buf(uh
->us
, &len
);
695 } while (data
&& uh
->state
< HTTP_STATE_RECV_DATA
);
704 if (uh
->state
== HTTP_STATE_RECV_DATA
) {
705 /* Now it's uclient user turn to read some data */
706 uloop_timeout_cancel(&uc
->connection_timeout
);
708 if (uc
->cb
->data_read
)
709 uc
->cb
->data_read(uc
);
713 static void __uclient_notify_write(struct uclient_http
*uh
)
715 struct uclient
*uc
= &uh
->uc
;
717 if (uc
->cb
->data_sent
)
718 uc
->cb
->data_sent(uc
);
721 static void uclient_notify_read(struct ustream
*us
, int bytes
)
723 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
725 __uclient_notify_read(uh
);
728 static void uclient_notify_write(struct ustream
*us
, int bytes
)
730 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
732 __uclient_notify_write(uh
);
735 static void uclient_notify_state(struct ustream
*us
)
737 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
739 uclient_notify_eof(uh
);
742 static int uclient_setup_http(struct uclient_http
*uh
)
744 struct ustream
*us
= &uh
->ufd
.stream
;
750 us
->string_data
= true;
751 us
->notify_state
= uclient_notify_state
;
752 us
->notify_read
= uclient_notify_read
;
753 us
->notify_write
= uclient_notify_write
;
755 ret
= uclient_do_connect(uh
, "80");
757 return UCLIENT_ERROR_CONNECT
;
762 static void uclient_ssl_notify_read(struct ustream
*us
, int bytes
)
764 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
766 __uclient_notify_read(uh
);
769 static void uclient_ssl_notify_write(struct ustream
*us
, int bytes
)
771 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
773 __uclient_notify_write(uh
);
776 static void uclient_ssl_notify_state(struct ustream
*us
)
778 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
780 uclient_notify_eof(uh
);
783 static void uclient_ssl_notify_error(struct ustream_ssl
*ssl
, int error
, const char *str
)
785 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
787 uclient_http_error(uh
, UCLIENT_ERROR_CONNECT
);
790 static void uclient_ssl_notify_verify_error(struct ustream_ssl
*ssl
, int error
, const char *str
)
792 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
794 if (!uh
->ssl_require_validation
)
797 uclient_http_error(uh
, UCLIENT_ERROR_SSL_INVALID_CERT
);
800 static void uclient_ssl_notify_connected(struct ustream_ssl
*ssl
)
802 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
804 if (!uh
->ssl_require_validation
)
807 if (!uh
->ussl
.valid_cn
)
808 uclient_http_error(uh
, UCLIENT_ERROR_SSL_CN_MISMATCH
);
811 static int uclient_setup_https(struct uclient_http
*uh
)
813 struct ustream
*us
= &uh
->ussl
.stream
;
820 return UCLIENT_ERROR_MISSING_SSL_CONTEXT
;
822 ret
= uclient_do_connect(uh
, "443");
824 return UCLIENT_ERROR_CONNECT
;
826 us
->string_data
= true;
827 us
->notify_state
= uclient_ssl_notify_state
;
828 us
->notify_read
= uclient_ssl_notify_read
;
829 us
->notify_write
= uclient_ssl_notify_write
;
830 uh
->ussl
.notify_error
= uclient_ssl_notify_error
;
831 uh
->ussl
.notify_verify_error
= uclient_ssl_notify_verify_error
;
832 uh
->ussl
.notify_connected
= uclient_ssl_notify_connected
;
833 uh
->ussl
.server_name
= uh
->uc
.url
->host
;
834 uh
->ssl_ops
->init(&uh
->ussl
, &uh
->ufd
.stream
, uh
->ssl_ctx
, false);
835 uh
->ssl_ops
->set_peer_cn(&uh
->ussl
, uh
->uc
.url
->host
);
840 static int uclient_http_connect(struct uclient
*cl
)
842 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
845 if (!cl
->eof
|| uh
->disconnect
)
846 uclient_http_disconnect(uh
);
848 uclient_http_init_request(uh
);
853 uh
->ssl
= cl
->url
->prefix
== PREFIX_HTTPS
;
856 ret
= uclient_setup_https(uh
);
858 ret
= uclient_setup_http(uh
);
863 static void uclient_http_disconnect_cb(struct uloop_timeout
*timeout
)
865 struct uclient_http
*uh
= container_of(timeout
, struct uclient_http
, disconnect_t
);
867 uclient_http_disconnect(uh
);
870 static struct uclient
*uclient_http_alloc(void)
872 struct uclient_http
*uh
;
874 uh
= calloc_a(sizeof(*uh
));
875 uh
->disconnect_t
.cb
= uclient_http_disconnect_cb
;
876 blob_buf_init(&uh
->headers
, 0);
881 static void uclient_http_free_ssl_ctx(struct uclient_http
*uh
)
887 static void uclient_http_free(struct uclient
*cl
)
889 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
891 uclient_http_free_url_state(cl
);
892 uclient_http_free_ssl_ctx(uh
);
893 blob_buf_free(&uh
->headers
);
894 blob_buf_free(&uh
->meta
);
899 uclient_http_set_request_type(struct uclient
*cl
, const char *type
)
901 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
904 if (cl
->backend
!= &uclient_backend_http
)
907 if (uh
->state
> HTTP_STATE_INIT
)
910 for (i
= 0; i
< ARRAY_SIZE(request_types
); i
++) {
911 if (strcmp(request_types
[i
], type
) != 0)
922 uclient_http_reset_headers(struct uclient
*cl
)
924 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
926 blob_buf_init(&uh
->headers
, 0);
932 uclient_http_set_header(struct uclient
*cl
, const char *name
, const char *value
)
934 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
936 if (cl
->backend
!= &uclient_backend_http
)
939 if (uh
->state
> HTTP_STATE_INIT
)
942 blobmsg_add_string(&uh
->headers
, name
, value
);
947 uclient_http_send_data(struct uclient
*cl
, const char *buf
, unsigned int len
)
949 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
951 if (uh
->state
>= HTTP_STATE_REQUEST_DONE
)
954 uclient_http_send_headers(uh
);
957 ustream_printf(uh
->us
, "%X\r\n", len
);
958 ustream_write(uh
->us
, buf
, len
, false);
959 ustream_printf(uh
->us
, "\r\n");
966 uclient_http_request_done(struct uclient
*cl
)
968 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
970 if (uh
->state
>= HTTP_STATE_REQUEST_DONE
)
973 uclient_http_send_headers(uh
);
974 if (uh
->req_type
== REQ_POST
|| uh
->req_type
== REQ_PUT
)
975 ustream_printf(uh
->us
, "0\r\n\r\n");
976 uh
->state
= HTTP_STATE_REQUEST_DONE
;
982 uclient_http_read(struct uclient
*cl
, char *buf
, unsigned int len
)
984 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
986 char *data
, *data_end
;
988 if (uh
->state
< HTTP_STATE_RECV_DATA
|| !uh
->us
)
991 data
= ustream_get_read_buf(uh
->us
, &read_len
);
992 if (!data
|| !read_len
)
995 data_end
= data
+ read_len
;
998 if (uh
->read_chunked
== 0) {
1001 if (data
[0] == '\r' && data
[1] == '\n') {
1006 sep
= strstr(data
, "\r\n");
1011 uh
->read_chunked
= strtoul(data
, NULL
, 16);
1013 read_len
+= sep
+ 2 - data
;
1016 if (!uh
->read_chunked
) {
1018 uh
->uc
.data_eof
= true;
1022 if (len
> data_end
- data
)
1023 len
= data_end
- data
;
1025 if (uh
->read_chunked
>= 0) {
1026 if (len
> uh
->read_chunked
)
1027 len
= uh
->read_chunked
;
1029 uh
->read_chunked
-= len
;
1030 } else if (uh
->content_length
>= 0) {
1031 if (len
> uh
->content_length
)
1032 len
= uh
->content_length
;
1034 uh
->content_length
-= len
;
1035 if (!uh
->content_length
) {
1037 uh
->uc
.data_eof
= true;
1043 memcpy(buf
, data
, len
);
1047 ustream_consume(uh
->us
, read_len
);
1049 uclient_notify_eof(uh
);
1051 /* Now that we consumed something and if this isn't EOF, start timer again */
1052 if (!uh
->uc
.eof
&& !cl
->connection_timeout
.pending
)
1053 uloop_timeout_set(&cl
->connection_timeout
, cl
->timeout_msecs
);
1058 bool uclient_http_redirect(struct uclient
*cl
)
1060 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
1061 struct blobmsg_policy location
= {
1063 .type
= BLOBMSG_TYPE_STRING
,
1065 struct uclient_url
*url
= cl
->url
;
1066 struct blob_attr
*tb
;
1068 if (cl
->backend
!= &uclient_backend_http
)
1071 switch (cl
->status_code
) {
1080 blobmsg_parse(&location
, 1, &tb
, blob_data(uh
->meta
.head
), blob_len(uh
->meta
.head
));
1084 url
= uclient_get_url(blobmsg_data(tb
), url
->auth
);
1090 uclient_http_connect(cl
);
1091 uclient_http_request_done(cl
);
1096 int uclient_http_set_ssl_ctx(struct uclient
*cl
, const struct ustream_ssl_ops
*ops
,
1097 struct ustream_ssl_ctx
*ctx
, bool require_validation
)
1099 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
1101 if (cl
->backend
!= &uclient_backend_http
)
1104 uclient_http_free_url_state(cl
);
1106 uclient_http_free_ssl_ctx(uh
);
1109 uh
->ssl_require_validation
= !!ctx
&& require_validation
;
1114 const struct uclient_backend uclient_backend_http
= {
1115 .prefix
= uclient_http_prefix
,
1117 .alloc
= uclient_http_alloc
,
1118 .free
= uclient_http_free
,
1119 .connect
= uclient_http_connect
,
1120 .disconnect
= uclient_http_request_disconnect
,
1121 .update_url
= uclient_http_free_url_state
,
1122 .update_proxy_url
= uclient_http_free_url_state
,
1124 .read
= uclient_http_read
,
1125 .write
= uclient_http_send_data
,
1126 .request
= uclient_http_request_done
,