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 <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/whois.c b/networking/whois.c
new file mode 100644
index 0000000..4eab9e5
--- /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 <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;
+}