1 /*
2 * Copyright (c) 2013 Corey Tabaka
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24 #include <lk/console_cmd.h>
25
26 #include <stdio.h>
27 #include <string.h>
28 #include <lwip/api.h>
29 #include <lwip/ip_addr.h>
30
net_cmd(int argc,const console_cmd_args * argv)31 static int net_cmd(int argc, const console_cmd_args *argv)
32 {
33 if (argc < 2) {
34 printf("%s commands:\n", argv[0].str);
35 usage:
36 printf("%s lookup <hostname>\n", argv[0].str);
37 goto out;
38 }
39
40 if (!strcmp(argv[1].str, "lookup")) {
41 if (argc < 3)
42 goto usage;
43
44 ip_addr_t ip_addr;
45 const char *hostname = argv[2].str;
46 err_t err;
47
48 err = netconn_gethostbyname(hostname, &ip_addr);
49 if (err != ERR_OK) {
50 printf("Failed to resolve host: %d\n", err);
51 } else {
52 printf("%s: %u.%u.%u.%u\n", hostname,
53 ip4_addr1_16(&ip_addr),
54 ip4_addr2_16(&ip_addr),
55 ip4_addr3_16(&ip_addr),
56 ip4_addr4_16(&ip_addr));
57 }
58 }
59
60 out:
61 return 0;
62 }
63
64 STATIC_COMMAND_START
65 STATIC_COMMAND("net", "net toolbox", &net_cmd)
66 STATIC_COMMAND_END(net);
67
68