From 251962f20737c5138c7d33e90c68dfca856361e1 Mon Sep 17 00:00:00 2001 From: Pere Orga Date: Sun, 27 Feb 2011 23:38:52 +0100 Subject: [PATCH] whois: new applet function old new delta whois_main - 118 +118 pipe_out - 80 +80 packed_usage 28084 28095 +11 applet_names 2385 2391 +6 applet_main 1388 1392 +4 applet_nameofs 694 696 +2 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 4/0 up/down: 221/0) Total: 221 bytes Signed-off-by: Pere Orga Signed-off-by: Denys Vlasenko --- networking/whois.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 networking/whois.c diff --git a/networking/whois.c b/networking/whois.c new file mode 100644 index 000000000..4eab9e5fe --- /dev/null +++ b/networking/whois.c @@ -0,0 +1,66 @@ +/* vi: set sw=4 ts=4: */ +/* + * whois - tiny client for the whois directory service + * + * Copyright (c) 2011 Pere Orga + * Licensed under GPLv2 or later, see file LICENSE in this source tree. + */ +/* TODO + * Add ipv6 support + * Add proxy support + */ + +//config:config WHOIS +//config: bool "whois" +//config: default y +//config: help +//config: whois is a client for the whois directory service + +//applet:IF_WHOIS(APPLET(whois, BB_DIR_USR_BIN, BB_SUID_DROP)) + +//kbuild:lib-$(CONFIG_WHOIS) += whois.o + +//usage:#define whois_trivial_usage +//usage: "[-h SERVER] [-p PORT] NAME..." +//usage:#define whois_full_usage "\n\n" +//usage: "Query WHOIS info about NAME\n" +//usage: "\nOptions:" +//usage: "\n -h,-p Server to query" + +#include "libbb.h" + +static void pipe_out(int fd) +{ + FILE *fp; + char buf[1024]; + + fp = xfdopen_for_read(fd); + while (fgets(buf, sizeof(buf), fp)) { + char *p = strpbrk(buf, "\r\n"); + if (p) + *p = '\0'; + puts(buf); + } + + fclose(fp); /* closes fd too */ +} + +int whois_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int whois_main(int argc UNUSED_PARAM, char **argv) +{ + int port = 43; + const char *host = "whois-servers.net"; + + opt_complementary = "-1:p+"; + getopt32(argv, "h:p:", &host, &port); + + argv += optind; + do { + int fd = create_and_connect_stream_or_die(host, port); + fdprintf(fd, "%s\r\n", *argv); + pipe_out(fd); + } + while (*++argv); + + return EXIT_SUCCESS; +} -- 2.25.1