1 /*
2 * Copyright (c) 2017 Linaro Limited
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <stdio.h>
8 #include <stdlib.h>
9
10 #if !defined(__ZEPHYR__)
11
12 #include <netinet/in.h>
13 #include <sys/socket.h>
14 #include <arpa/inet.h>
15 #include <unistd.h>
16 #include <netdb.h>
17
18 #else
19
20 #include <zephyr/net/socket.h>
21 #include <zephyr/kernel.h>
22
23 #if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
24 #include <zephyr/net/tls_credentials.h>
25 #include "ca_certificate.h"
26 #endif
27
28 #include "net_sample_common.h"
29
30 #endif
31
32 /* HTTP server to connect to */
33 #define HTTP_HOST "google.com"
34 /* Port to connect to, as string */
35 #if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
36 #define HTTP_PORT "443"
37 #else
38 #define HTTP_PORT "80"
39 #endif
40 /* HTTP path to request */
41 #define HTTP_PATH "/"
42
43
44 #define SSTRLEN(s) (sizeof(s) - 1)
45 #define CHECK(r) { if (r == -1) { printf("Error: " #r "\n"); exit(1); } }
46
47 #define REQUEST "GET " HTTP_PATH " HTTP/1.0\r\nHost: " HTTP_HOST "\r\n\r\n"
48
49 static char response[1024];
50
dump_addrinfo(const struct addrinfo * ai)51 void dump_addrinfo(const struct addrinfo *ai)
52 {
53 printf("addrinfo @%p: ai_family=%d, ai_socktype=%d, ai_protocol=%d, "
54 "sa_family=%d, sin_port=%x\n",
55 ai, ai->ai_family, ai->ai_socktype, ai->ai_protocol,
56 ai->ai_addr->sa_family,
57 ((struct sockaddr_in *)ai->ai_addr)->sin_port);
58 }
59
main(void)60 int main(void)
61 {
62 static struct addrinfo hints;
63 struct addrinfo *res;
64 int st, sock;
65
66 wait_for_network();
67
68 #if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
69 tls_credential_add(CA_CERTIFICATE_TAG, TLS_CREDENTIAL_CA_CERTIFICATE,
70 ca_certificate, sizeof(ca_certificate));
71 #endif
72
73 printf("Preparing HTTP GET request for http://" HTTP_HOST
74 ":" HTTP_PORT HTTP_PATH "\n");
75
76 hints.ai_family = AF_INET;
77 hints.ai_socktype = SOCK_STREAM;
78 st = getaddrinfo(HTTP_HOST, HTTP_PORT, &hints, &res);
79 printf("getaddrinfo status: %d\n", st);
80
81 if (st != 0) {
82 printf("Unable to resolve address, quitting\n");
83 return 0;
84 }
85
86 #if 0
87 for (; res; res = res->ai_next) {
88 dump_addrinfo(res);
89 }
90 #endif
91
92 dump_addrinfo(res);
93
94 #if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
95 sock = socket(res->ai_family, res->ai_socktype, IPPROTO_TLS_1_2);
96 #else
97 sock = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
98 #endif
99 CHECK(sock);
100 printf("sock = %d\n", sock);
101
102 #if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
103 sec_tag_t sec_tag_opt[] = {
104 CA_CERTIFICATE_TAG,
105 };
106 CHECK(setsockopt(sock, SOL_TLS, TLS_SEC_TAG_LIST,
107 sec_tag_opt, sizeof(sec_tag_opt)));
108
109 CHECK(setsockopt(sock, SOL_TLS, TLS_HOSTNAME,
110 HTTP_HOST, sizeof(HTTP_HOST)))
111 #endif
112
113 CHECK(connect(sock, res->ai_addr, res->ai_addrlen));
114 CHECK(send(sock, REQUEST, SSTRLEN(REQUEST), 0));
115
116 printf("Response:\n\n");
117
118 while (1) {
119 int len = recv(sock, response, sizeof(response) - 1, 0);
120
121 if (len < 0) {
122 printf("Error reading response\n");
123 return 0;
124 }
125
126 if (len == 0) {
127 break;
128 }
129
130 response[len] = 0;
131 printf("%s", response);
132 }
133
134 printf("\n");
135
136 (void)close(sock);
137 return 0;
138 }
139