251962f20
Pere Orga
2011-02-27
Subject
whois: new applet
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networking/whois.c+66 -0
| @@ -0,0 +1,66 @@ | |
| + | /* vi: set sw=4 ts=4: */ |
| + | /* |
| + | * whois - tiny client for the whois directory service |
| + | * |
| + | * Copyright (c) 2011 Pere Orga <[email protected]> |
| + | * 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; |
| + | } |