[3621] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * whois - tiny client for the whois directory service
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| 4 | *
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| 5 | * Copyright (c) 2011 Pere Orga <gotrunks@gmail.com>
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| 6 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 7 | */
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| 8 | /* TODO
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| 9 | * Add ipv6 support
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| 10 | * Add proxy support
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| 11 | */
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| 12 |
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| 13 | //config:config WHOIS
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| 14 | //config: bool "whois"
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| 15 | //config: default y
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| 16 | //config: help
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| 17 | //config: whois is a client for the whois directory service
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| 18 |
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| 19 | //applet:IF_WHOIS(APPLET(whois, BB_DIR_USR_BIN, BB_SUID_DROP))
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| 20 |
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| 21 | //kbuild:lib-$(CONFIG_WHOIS) += whois.o
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| 22 |
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| 23 | //usage:#define whois_trivial_usage
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| 24 | //usage: "[-h SERVER] [-p PORT] NAME..."
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| 25 | //usage:#define whois_full_usage "\n\n"
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| 26 | //usage: "Query WHOIS info about NAME\n"
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| 27 | //usage: "\n -h,-p Server to query"
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| 28 |
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| 29 | #include "libbb.h"
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| 30 |
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| 31 | static void pipe_out(int fd)
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| 32 | {
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| 33 | FILE *fp;
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| 34 | char buf[1024];
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| 35 |
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| 36 | fp = xfdopen_for_read(fd);
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| 37 | while (fgets(buf, sizeof(buf), fp)) {
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| 38 | char *p = strpbrk(buf, "\r\n");
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| 39 | if (p)
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| 40 | *p = '\0';
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| 41 | puts(buf);
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| 42 | }
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| 43 |
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| 44 | fclose(fp); /* closes fd too */
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| 45 | }
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| 46 |
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| 47 | int whois_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 48 | int whois_main(int argc UNUSED_PARAM, char **argv)
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| 49 | {
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| 50 | int port = 43;
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| 51 | const char *host = "whois-servers.net";
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| 52 |
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| 53 | opt_complementary = "-1:p+";
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| 54 | getopt32(argv, "h:p:", &host, &port);
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| 55 |
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| 56 | argv += optind;
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| 57 | do {
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| 58 | int fd = create_and_connect_stream_or_die(host, port);
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| 59 | fdprintf(fd, "%s\r\n", *argv);
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| 60 | pipe_out(fd);
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| 61 | }
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| 62 | while (*++argv);
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| 63 |
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| 64 | return EXIT_SUCCESS;
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| 65 | }
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