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
;
77 bool ssl_require_validation
;
80 bool connection_close
;
82 enum request_type req_type
;
83 enum http_state state
;
85 enum auth_type auth_type
;
93 struct blob_buf headers
;
103 static const char * const uclient_http_prefix
[] = {
104 [PREFIX_HTTP
] = "http://",
105 [PREFIX_HTTPS
] = "https://",
106 [__PREFIX_MAX
] = NULL
109 static int uclient_do_connect(struct uclient_http
*uh
, const char *port
)
114 if (uh
->uc
.url
->port
)
115 port
= uh
->uc
.url
->port
;
117 fd
= usock(USOCK_TCP
| USOCK_NONBLOCK
, uh
->uc
.url
->host
, port
);
121 ustream_fd_init(&uh
->ufd
, fd
);
123 memset(&uh
->uc
.local_addr
, 0, sizeof(uh
->uc
.local_addr
));
124 memset(&uh
->uc
.remote_addr
, 0, sizeof(uh
->uc
.remote_addr
));
126 sl
= sizeof(uh
->uc
.local_addr
);
127 getsockname(fd
, &uh
->uc
.local_addr
.sa
, &sl
);
128 getpeername(fd
, &uh
->uc
.remote_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
)
199 uclient_backend_reset_state(&uh
->uc
);
200 uh
->read_chunked
= -1;
201 uh
->content_length
= -1;
203 uh
->disconnect
= false;
204 uh
->connection_close
= false;
205 uh
->state
= HTTP_STATE_INIT
;
207 if (uh
->auth_type
== AUTH_TYPE_UNKNOWN
&& !uh
->uc
.url
->auth
)
208 uh
->auth_type
= AUTH_TYPE_NONE
;
211 static void uclient_http_init_request(struct uclient_http
*uh
)
213 uclient_http_reset_state(uh
);
214 blob_buf_init(&uh
->meta
, 0);
217 static enum auth_type
218 uclient_http_update_auth_type(struct uclient_http
*uh
)
221 return AUTH_TYPE_NONE
;
223 if (!strncasecmp(uh
->auth_str
, "basic", 5))
224 return AUTH_TYPE_BASIC
;
226 if (!strncasecmp(uh
->auth_str
, "digest", 6))
227 return AUTH_TYPE_DIGEST
;
229 return AUTH_TYPE_NONE
;
232 static void uclient_http_process_headers(struct uclient_http
*uh
)
235 HTTP_HDR_TRANSFER_ENCODING
,
237 HTTP_HDR_CONTENT_LENGTH
,
241 static const struct blobmsg_policy hdr_policy
[__HTTP_HDR_MAX
] = {
242 #define hdr(_name) { .name = _name, .type = BLOBMSG_TYPE_STRING }
243 [HTTP_HDR_TRANSFER_ENCODING
] = hdr("transfer-encoding"),
244 [HTTP_HDR_CONNECTION
] = hdr("connection"),
245 [HTTP_HDR_CONTENT_LENGTH
] = hdr("content-length"),
246 [HTTP_HDR_AUTH
] = hdr("www-authenticate"),
249 struct blob_attr
*tb
[__HTTP_HDR_MAX
];
250 struct blob_attr
*cur
;
252 blobmsg_parse(hdr_policy
, __HTTP_HDR_MAX
, tb
, blob_data(uh
->meta
.head
), blob_len(uh
->meta
.head
));
254 cur
= tb
[HTTP_HDR_TRANSFER_ENCODING
];
255 if (cur
&& strstr(blobmsg_data(cur
), "chunked"))
256 uh
->read_chunked
= 0;
258 cur
= tb
[HTTP_HDR_CONNECTION
];
259 if (cur
&& strstr(blobmsg_data(cur
), "close"))
260 uh
->connection_close
= true;
262 cur
= tb
[HTTP_HDR_CONTENT_LENGTH
];
264 uh
->content_length
= strtoul(blobmsg_data(cur
), NULL
, 10);
266 cur
= tb
[HTTP_HDR_AUTH
];
269 uh
->auth_str
= strdup(blobmsg_data(cur
));
272 uh
->auth_type
= uclient_http_update_auth_type(uh
);
276 uclient_http_add_auth_basic(struct uclient_http
*uh
)
278 struct uclient_url
*url
= uh
->uc
.url
;
279 int auth_len
= strlen(url
->auth
);
285 auth_buf
= alloca(base64_len(auth_len
) + 1);
286 base64_encode(url
->auth
, auth_len
, auth_buf
);
287 ustream_printf(uh
->us
, "Authorization: Basic %s\r\n", auth_buf
);
290 static char *digest_unquote_sep(char **str
)
292 char *cur
= *str
+ 1;
324 static char *digest_sep(char **str
)
329 next
= strchr(*str
, ',');
334 *str
+= strlen(*str
);
340 static bool strmatch(char **str
, const char *prefix
)
342 int len
= strlen(prefix
);
344 if (strncmp(*str
, prefix
, len
) != 0 || (*str
)[len
] != '=')
352 get_cnonce(char *dest
)
357 f
= fopen("/dev/urandom", "r");
359 fread(&val
, sizeof(val
), 1, f
);
363 bin_to_hex(dest
, &val
, sizeof(val
));
366 static void add_field(char **buf
, int *ofs
, int *len
, const char *name
, const char *val
)
368 int available
= *len
- *ofs
;
376 required
= strlen(name
) + 4 + strlen(val
) * 2;
377 if (required
> available
)
378 *len
+= required
- available
+ 64;
380 *buf
= realloc(*buf
, *len
);
385 cur
+= sprintf(cur
, ", %s=\"", name
);
387 while ((next
= strchr(val
, '"'))) {
389 memcpy(cur
, val
, next
- val
);
393 cur
+= sprintf(cur
, "\\\"");
397 cur
+= sprintf(cur
, "%s\"", val
);
402 uclient_http_add_auth_digest(struct uclient_http
*uh
)
404 struct uclient_url
*url
= uh
->uc
.url
;
405 const char *realm
= NULL
, *opaque
= NULL
;
406 const char *user
, *password
;
415 struct http_digest_data data
= {
417 .cnonce
= cnonce_str
,
421 len
= strlen(uh
->auth_str
) + 1;
426 strcpy(buf
, uh
->auth_str
);
433 const char **dest
= NULL
;
436 while (*next
&& isspace(*next
))
439 if (strmatch(&next
, "realm"))
441 else if (strmatch(&next
, "qop"))
443 else if (strmatch(&next
, "nonce"))
445 else if (strmatch(&next
, "opaque"))
447 else if (strmatch(&next
, "stale") ||
448 strmatch(&next
, "algorithm") ||
449 strmatch(&next
, "auth-param")) {
452 } else if (strmatch(&next
, "domain") ||
453 strmatch(&next
, "qop-options"))
460 *dest
= digest_unquote_sep(&next
);
463 if (!realm
|| !data
.qop
|| !data
.nonce
)
466 sprintf(nc_str
, "%08x", uh
->nc
++);
467 get_cnonce(cnonce_str
);
470 data
.uri
= url
->location
;
471 data
.method
= request_types
[uh
->req_type
];
473 password
= strchr(url
->auth
, ':');
477 len
= password
- url
->auth
;
481 user_buf
= alloca(len
+ 1);
482 strncpy(user_buf
, url
->auth
, len
);
491 http_digest_calculate_auth_hash(ahash
, user
, realm
, password
);
492 http_digest_calculate_response(hash
, &data
);
498 add_field(&buf
, &ofs
, &len
, "username", user
);
499 add_field(&buf
, &ofs
, &len
, "realm", realm
);
500 add_field(&buf
, &ofs
, &len
, "nonce", data
.nonce
);
501 add_field(&buf
, &ofs
, &len
, "uri", data
.uri
);
502 add_field(&buf
, &ofs
, &len
, "cnonce", data
.cnonce
);
503 add_field(&buf
, &ofs
, &len
, "response", hash
);
505 add_field(&buf
, &ofs
, &len
, "opaque", opaque
);
507 ustream_printf(uh
->us
, "Authorization: Digest nc=%s, qop=%s%s\r\n", data
.nc
, data
.qop
, buf
);
512 uclient_http_add_auth_header(struct uclient_http
*uh
)
514 if (!uh
->uc
.url
->auth
)
517 switch (uh
->auth_type
) {
518 case AUTH_TYPE_UNKNOWN
:
521 case AUTH_TYPE_BASIC
:
522 uclient_http_add_auth_basic(uh
);
524 case AUTH_TYPE_DIGEST
:
525 uclient_http_add_auth_digest(uh
);
531 uclient_http_send_headers(struct uclient_http
*uh
)
533 struct uclient_url
*url
= uh
->uc
.url
;
534 struct blob_attr
*cur
;
535 enum request_type req_type
= uh
->req_type
;
538 if (uh
->state
>= HTTP_STATE_HEADERS_SENT
)
541 ustream_printf(uh
->us
,
544 request_types
[req_type
],
545 url
->location
, url
->host
);
547 blobmsg_for_each_attr(cur
, uh
->headers
.head
, rem
)
548 ustream_printf(uh
->us
, "%s: %s\n", blobmsg_name(cur
), (char *) blobmsg_data(cur
));
550 if (uh
->req_type
== REQ_POST
|| uh
->req_type
== REQ_PUT
)
551 ustream_printf(uh
->us
, "Transfer-Encoding: chunked\r\n");
553 uclient_http_add_auth_header(uh
);
555 ustream_printf(uh
->us
, "\r\n");
557 uh
->state
= HTTP_STATE_HEADERS_SENT
;
560 static void uclient_http_headers_complete(struct uclient_http
*uh
)
562 enum auth_type auth_type
= uh
->auth_type
;
564 uh
->state
= HTTP_STATE_RECV_DATA
;
565 uh
->uc
.meta
= uh
->meta
.head
;
566 uclient_http_process_headers(uh
);
568 if (auth_type
== AUTH_TYPE_UNKNOWN
&& uh
->uc
.status_code
== 401 &&
569 (uh
->req_type
== REQ_HEAD
|| uh
->req_type
== REQ_GET
)) {
570 uclient_http_init_request(uh
);
571 uclient_http_send_headers(uh
);
572 uh
->state
= HTTP_STATE_REQUEST_DONE
;
576 if (uh
->uc
.cb
->header_done
)
577 uh
->uc
.cb
->header_done(&uh
->uc
);
582 if (uh
->req_type
== REQ_HEAD
|| uh
->uc
.status_code
== 204) {
584 uclient_notify_eof(uh
);
588 static void uclient_parse_http_line(struct uclient_http
*uh
, char *data
)
593 if (uh
->state
== HTTP_STATE_REQUEST_DONE
) {
602 code
= strsep(&data
, " ");
606 uh
->uc
.status_code
= strtoul(code
, &sep
, 10);
610 uh
->state
= HTTP_STATE_RECV_HEADERS
;
615 uclient_http_headers_complete(uh
);
619 sep
= strchr(data
, ':');
625 for (name
= data
; *name
; name
++)
626 *name
= tolower(*name
);
629 while (isspace(*sep
))
632 blobmsg_add_string(&uh
->meta
, name
, sep
);
636 uh
->uc
.status_code
= 400;
638 uclient_notify_eof(uh
);
641 static void __uclient_notify_read(struct uclient_http
*uh
)
643 struct uclient
*uc
= &uh
->uc
;
647 if (uh
->state
< HTTP_STATE_REQUEST_DONE
|| uh
->state
== HTTP_STATE_ERROR
)
650 data
= ustream_get_read_buf(uh
->us
, &len
);
654 if (uh
->state
< HTTP_STATE_RECV_DATA
) {
659 sep
= strstr(data
, "\r\n");
663 /* Check for multi-line HTTP headers */
668 if (isspace(sep
[2]) && sep
[2] != '\r') {
676 cur_len
= sep
+ 2 - data
;
677 uclient_parse_http_line(uh
, data
);
678 ustream_consume(uh
->us
, cur_len
);
684 data
= ustream_get_read_buf(uh
->us
, &len
);
685 } while (data
&& uh
->state
< HTTP_STATE_RECV_DATA
);
694 if (uh
->state
== HTTP_STATE_RECV_DATA
) {
695 /* Now it's uclient user turn to read some data */
696 uloop_timeout_cancel(&uc
->connection_timeout
);
698 if (uc
->cb
->data_read
)
699 uc
->cb
->data_read(uc
);
703 static void __uclient_notify_write(struct uclient_http
*uh
)
705 struct uclient
*uc
= &uh
->uc
;
707 if (uc
->cb
->data_sent
)
708 uc
->cb
->data_sent(uc
);
711 static void uclient_notify_read(struct ustream
*us
, int bytes
)
713 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
715 __uclient_notify_read(uh
);
718 static void uclient_notify_write(struct ustream
*us
, int bytes
)
720 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
722 __uclient_notify_write(uh
);
725 static void uclient_notify_state(struct ustream
*us
)
727 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ufd
.stream
);
729 uclient_notify_eof(uh
);
732 static int uclient_setup_http(struct uclient_http
*uh
)
734 struct ustream
*us
= &uh
->ufd
.stream
;
740 us
->string_data
= true;
741 us
->notify_state
= uclient_notify_state
;
742 us
->notify_read
= uclient_notify_read
;
743 us
->notify_write
= uclient_notify_write
;
745 ret
= uclient_do_connect(uh
, "80");
747 return UCLIENT_ERROR_CONNECT
;
752 static void uclient_ssl_notify_read(struct ustream
*us
, int bytes
)
754 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
756 __uclient_notify_read(uh
);
759 static void uclient_ssl_notify_write(struct ustream
*us
, int bytes
)
761 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
763 __uclient_notify_write(uh
);
766 static void uclient_ssl_notify_state(struct ustream
*us
)
768 struct uclient_http
*uh
= container_of(us
, struct uclient_http
, ussl
.stream
);
770 uclient_notify_eof(uh
);
773 static void uclient_ssl_notify_error(struct ustream_ssl
*ssl
, int error
, const char *str
)
775 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
777 uclient_http_error(uh
, UCLIENT_ERROR_CONNECT
);
780 static void uclient_ssl_notify_verify_error(struct ustream_ssl
*ssl
, int error
, const char *str
)
782 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
784 if (!uh
->ssl_require_validation
)
787 uclient_http_error(uh
, UCLIENT_ERROR_SSL_INVALID_CERT
);
790 static void uclient_ssl_notify_connected(struct ustream_ssl
*ssl
)
792 struct uclient_http
*uh
= container_of(ssl
, struct uclient_http
, ussl
);
794 if (!uh
->ssl_require_validation
)
797 if (!uh
->ussl
.valid_cn
)
798 uclient_http_error(uh
, UCLIENT_ERROR_SSL_CN_MISMATCH
);
801 static int uclient_setup_https(struct uclient_http
*uh
)
803 struct ustream
*us
= &uh
->ussl
.stream
;
810 return UCLIENT_ERROR_MISSING_SSL_CONTEXT
;
812 ret
= uclient_do_connect(uh
, "443");
814 return UCLIENT_ERROR_CONNECT
;
816 us
->string_data
= true;
817 us
->notify_state
= uclient_ssl_notify_state
;
818 us
->notify_read
= uclient_ssl_notify_read
;
819 us
->notify_write
= uclient_ssl_notify_write
;
820 uh
->ussl
.notify_error
= uclient_ssl_notify_error
;
821 uh
->ussl
.notify_verify_error
= uclient_ssl_notify_verify_error
;
822 uh
->ussl
.notify_connected
= uclient_ssl_notify_connected
;
823 uh
->ssl_ops
->init(&uh
->ussl
, &uh
->ufd
.stream
, uh
->ssl_ctx
, false);
824 uh
->ssl_ops
->set_peer_cn(&uh
->ussl
, uh
->uc
.url
->host
);
829 static int uclient_http_connect(struct uclient
*cl
)
831 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
834 if (!cl
->eof
|| uh
->disconnect
)
835 uclient_http_disconnect(uh
);
837 uclient_http_init_request(uh
);
842 uh
->ssl
= cl
->url
->prefix
== PREFIX_HTTPS
;
845 ret
= uclient_setup_https(uh
);
847 ret
= uclient_setup_http(uh
);
852 static void uclient_http_disconnect_cb(struct uloop_timeout
*timeout
)
854 struct uclient_http
*uh
= container_of(timeout
, struct uclient_http
, disconnect_t
);
856 uclient_http_disconnect(uh
);
859 static struct uclient
*uclient_http_alloc(void)
861 struct uclient_http
*uh
;
863 uh
= calloc_a(sizeof(*uh
));
864 uh
->disconnect_t
.cb
= uclient_http_disconnect_cb
;
865 blob_buf_init(&uh
->headers
, 0);
870 static void uclient_http_free_ssl_ctx(struct uclient_http
*uh
)
876 static void uclient_http_free(struct uclient
*cl
)
878 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
880 uclient_http_free_url_state(cl
);
881 uclient_http_free_ssl_ctx(uh
);
882 blob_buf_free(&uh
->headers
);
883 blob_buf_free(&uh
->meta
);
888 uclient_http_set_request_type(struct uclient
*cl
, const char *type
)
890 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
893 if (cl
->backend
!= &uclient_backend_http
)
896 if (uh
->state
> HTTP_STATE_INIT
)
899 for (i
= 0; i
< ARRAY_SIZE(request_types
); i
++) {
900 if (strcmp(request_types
[i
], type
) != 0)
911 uclient_http_reset_headers(struct uclient
*cl
)
913 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
915 blob_buf_init(&uh
->headers
, 0);
921 uclient_http_set_header(struct uclient
*cl
, const char *name
, const char *value
)
923 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
925 if (cl
->backend
!= &uclient_backend_http
)
928 if (uh
->state
> HTTP_STATE_INIT
)
931 blobmsg_add_string(&uh
->headers
, name
, value
);
936 uclient_http_send_data(struct uclient
*cl
, const char *buf
, unsigned int len
)
938 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
940 if (uh
->state
>= HTTP_STATE_REQUEST_DONE
)
943 uclient_http_send_headers(uh
);
946 ustream_printf(uh
->us
, "%X\r\n", len
);
947 ustream_write(uh
->us
, buf
, len
, false);
948 ustream_printf(uh
->us
, "\r\n");
955 uclient_http_request_done(struct uclient
*cl
)
957 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
959 if (uh
->state
>= HTTP_STATE_REQUEST_DONE
)
962 uclient_http_send_headers(uh
);
963 if (uh
->req_type
== REQ_POST
|| uh
->req_type
== REQ_PUT
)
964 ustream_printf(uh
->us
, "0\r\n\r\n");
965 uh
->state
= HTTP_STATE_REQUEST_DONE
;
971 uclient_http_read(struct uclient
*cl
, char *buf
, unsigned int len
)
973 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
975 char *data
, *data_end
;
977 if (uh
->state
< HTTP_STATE_RECV_DATA
|| !uh
->us
)
980 data
= ustream_get_read_buf(uh
->us
, &read_len
);
981 if (!data
|| !read_len
)
984 data_end
= data
+ read_len
;
987 if (uh
->read_chunked
== 0) {
990 if (data
[0] == '\r' && data
[1] == '\n') {
995 sep
= strstr(data
, "\r\n");
1000 uh
->read_chunked
= strtoul(data
, NULL
, 16);
1002 read_len
+= sep
+ 2 - data
;
1005 if (!uh
->read_chunked
) {
1007 uh
->uc
.data_eof
= true;
1011 if (len
> data_end
- data
)
1012 len
= data_end
- data
;
1014 if (uh
->read_chunked
>= 0) {
1015 if (len
> uh
->read_chunked
)
1016 len
= uh
->read_chunked
;
1018 uh
->read_chunked
-= len
;
1019 } else if (uh
->content_length
>= 0) {
1020 if (len
> uh
->content_length
)
1021 len
= uh
->content_length
;
1023 uh
->content_length
-= len
;
1024 if (!uh
->content_length
) {
1026 uh
->uc
.data_eof
= true;
1032 memcpy(buf
, data
, len
);
1036 ustream_consume(uh
->us
, read_len
);
1038 uclient_notify_eof(uh
);
1040 /* Now that we consumed something and if this isn't EOF, start timer again */
1041 if (!uh
->uc
.eof
&& !cl
->connection_timeout
.pending
)
1042 uloop_timeout_set(&cl
->connection_timeout
, cl
->timeout_msecs
);
1047 bool uclient_http_redirect(struct uclient
*cl
)
1049 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
1050 struct blobmsg_policy location
= {
1052 .type
= BLOBMSG_TYPE_STRING
,
1054 struct uclient_url
*url
= cl
->url
;
1055 struct blob_attr
*tb
;
1057 if (cl
->backend
!= &uclient_backend_http
)
1060 switch (cl
->status_code
) {
1069 blobmsg_parse(&location
, 1, &tb
, blob_data(uh
->meta
.head
), blob_len(uh
->meta
.head
));
1073 url
= uclient_get_url(blobmsg_data(tb
), url
->auth
);
1079 uclient_http_connect(cl
);
1080 uclient_http_request_done(cl
);
1085 int uclient_http_set_ssl_ctx(struct uclient
*cl
, const struct ustream_ssl_ops
*ops
,
1086 struct ustream_ssl_ctx
*ctx
, bool require_validation
)
1088 struct uclient_http
*uh
= container_of(cl
, struct uclient_http
, uc
);
1090 if (cl
->backend
!= &uclient_backend_http
)
1093 uclient_http_free_url_state(cl
);
1095 uclient_http_free_ssl_ctx(uh
);
1098 uh
->ssl_require_validation
= !!ctx
&& require_validation
;
1103 const struct uclient_backend uclient_backend_http
= {
1104 .prefix
= uclient_http_prefix
,
1106 .alloc
= uclient_http_alloc
,
1107 .free
= uclient_http_free
,
1108 .connect
= uclient_http_connect
,
1109 .disconnect
= uclient_http_request_disconnect
,
1110 .update_url
= uclient_http_free_url_state
,
1112 .read
= uclient_http_read
,
1113 .write
= uclient_http_send_data
,
1114 .request
= uclient_http_request_done
,