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.
18 #include <libubox/blobmsg.h>
24 static void example_header_done(struct uclient
*cl
)
26 struct blob_attr
*cur
;
29 printf("Headers (%d): \n", cl
->status_code
);
30 blobmsg_for_each_attr(cur
, cl
->meta
, rem
) {
31 printf("%s=%s\n", blobmsg_name(cur
), (char *) blobmsg_data(cur
));
34 printf("Contents:\n");
37 static void example_read_data(struct uclient
*cl
)
43 len
= uclient_read(cl
, buf
, sizeof(buf
));
47 write(STDOUT_FILENO
, buf
, len
);
51 static void example_request_sm(struct uclient
*cl
)
58 uclient_http_set_request_type(cl
, "HEAD");
63 uclient_http_set_request_type(cl
, "GET");
72 static void example_eof(struct uclient
*cl
)
76 if (retries
< 10 && uclient_http_redirect(cl
)) {
82 example_request_sm(cl
);
85 static void example_error(struct uclient
*cl
, int code
)
87 fprintf(stderr
, "Error %d!\n", code
);
88 example_request_sm(cl
);
91 static const struct uclient_cb cb
= {
92 .header_done
= example_header_done
,
93 .data_read
= example_read_data
,
94 .data_eof
= example_eof
,
95 .error
= example_error
,
98 static int usage(const char *progname
)
101 "Usage: %s [options] <hostname> <port>\n"
103 " -c <cert>: Load CA certificates from file <cert>\n"
104 " -C: Skip certificate CN verification against hostname\n"
110 int main(int argc
, char **argv
)
112 struct ustream_ssl_ctx
*ctx
;
113 const char *progname
= argv
[0];
118 ctx
= ustream_ssl_context_new(false);
120 while ((ch
= getopt(argc
, argv
, "Cc:")) != -1) {
123 ustream_ssl_context_add_ca_crt_file(ctx
, optarg
);
129 return usage(progname
);
137 return usage(progname
);
141 cl
= uclient_new(argv
[0], NULL
, &cb
);
143 fprintf(stderr
, "Failed to allocate uclient context\n");
147 uclient_http_set_ssl_ctx(cl
, ctx
, verify
);
148 example_request_sm(cl
);
153 ustream_ssl_context_free(ctx
);