blob: bf330334a2b7f1f69bb1a9d7ce5b53a60121c4d1
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * whois - tiny client for the whois directory service |
4 | * |
5 | * Copyright (c) 2011 Pere Orga <gotrunks@gmail.com> |
6 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
7 | */ |
8 | /* TODO |
9 | * Add ipv6 support |
10 | * Add proxy support |
11 | */ |
12 | |
13 | //config:config WHOIS |
14 | //config: bool "whois" |
15 | //config: default y |
16 | //config: help |
17 | //config: whois is a client for the whois directory service |
18 | |
19 | //applet:IF_WHOIS(APPLET(whois, BB_DIR_USR_BIN, BB_SUID_DROP)) |
20 | |
21 | //kbuild:lib-$(CONFIG_WHOIS) += whois.o |
22 | |
23 | //usage:#define whois_trivial_usage |
24 | //usage: "[-h SERVER] [-p PORT] NAME..." |
25 | //usage:#define whois_full_usage "\n\n" |
26 | //usage: "Query WHOIS info about NAME\n" |
27 | //usage: "\n -h,-p Server to query" |
28 | |
29 | #include "libbb.h" |
30 | |
31 | static void pipe_out(int fd) |
32 | { |
33 | FILE *fp; |
34 | char buf[1024]; |
35 | |
36 | fp = xfdopen_for_read(fd); |
37 | while (fgets(buf, sizeof(buf), fp)) { |
38 | char *p = strpbrk(buf, "\r\n"); |
39 | if (p) |
40 | *p = '\0'; |
41 | puts(buf); |
42 | } |
43 | |
44 | fclose(fp); /* closes fd too */ |
45 | } |
46 | |
47 | int whois_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
48 | int whois_main(int argc UNUSED_PARAM, char **argv) |
49 | { |
50 | int port = 43; |
51 | const char *host = "whois-servers.net"; |
52 | |
53 | opt_complementary = "-1:p+"; |
54 | getopt32(argv, "h:p:", &host, &port); |
55 | |
56 | argv += optind; |
57 | do { |
58 | int fd = create_and_connect_stream_or_die(host, port); |
59 | fdprintf(fd, "%s\r\n", *argv); |
60 | pipe_out(fd); |
61 | } |
62 | while (*++argv); |
63 | |
64 | return EXIT_SUCCESS; |
65 | } |
66 |