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whois: new applet

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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
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(add/remove: 3/0 grow/shrink: 4/0 up/down: 221/0)             Total: 221 bytes

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Pere Orga 2011-02-27 23:38:52 +01:00 committed by Denys Vlasenko
parent 9beb68e3e2
commit 251962f207
1 changed files with 66 additions and 0 deletions
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66
networking/whois.c Normal file
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/* vi: set sw=4 ts=4: */
/*
* whois - tiny client for the whois directory service
*
* Copyright (c) 2011 Pere Orga <gotrunks@gmail.com>
* 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;
}