Stuf
diff --git a/hostname.c b/hostname.c
new file mode 100644
index 0000000..27f2800
--- /dev/null
+++ b/hostname.c
@@ -0,0 +1,126 @@
+/*
+ * $Id: hostname.c,v 1.1 1999/12/07 23:14:59 andersen Exp $
+ * Mini hostname implementation for busybox
+ *
+ * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "internal.h"
+#include <errno.h>
+#include <getopt.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <stdio.h>
+
+static const char* hostname_usage = "hostname [OPTION] {hostname | -F file}\n\n"
+"Options:\n"
+"\t-s, --short\t\tshort\n"
+"\t-i, --ip-address\t\taddresses for the hostname\n"
+"\t-d, --domain\t\tDNS domain name\n"
+"If a hostname is given, or a file is given with the -F parameter, the host\n"
+"name will be set\n";
+
+static char short_opts[] = "sidF:";
+static const struct option long_opts[] = {
+ { "short", no_argument, NULL, 's' },
+ { "ip-address", no_argument, NULL, 'i' },
+ { "domain", no_argument, NULL, 'd' },
+ { NULL, 0, NULL, 0 }
+};
+
+void do_sethostname(char *s, int isfile)
+{
+ FILE *f;
+ char buf[255];
+
+ if (!s) return;
+ if (!isfile) {
+ if (sethostname(s, strlen(s)) < 0) {
+ if (errno == EPERM)
+ fprintf(stderr, "hostname: you must be root to change the hostname\n");
+ else
+ perror("sethostname");
+ exit(1);
+ }
+ } else {
+ if ((f = fopen(s, "r")) == NULL) {
+ perror(s);
+ exit(1);
+ } else {
+ fgets(buf, 255, f);
+ fclose(f);
+ if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
+ if (sethostname(buf, strlen(buf)) < 0) {
+ perror("sethostname");
+ exit(1);
+ }
+ }
+ }
+}
+
+int hostname_main(int argc, char **argv)
+{
+ int c;
+ int opt_short = 0;
+ int opt_domain = 0;
+ int opt_ip = 0;
+ int opt_file = 0;
+ struct hostent *h;
+ char *filename = NULL;
+ char buf[255];
+ char *s = NULL;
+
+ if (argc < 1) usage(hostname_usage);
+
+ while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
+ switch (c) {
+ case 's': opt_short = 1; break;
+ case 'i': opt_ip = 1; break;
+ case 'd': opt_domain = 1; break;
+ case 'F': opt_file = 1; filename = optarg; break;
+ default: usage(hostname_usage);
+ }
+ }
+
+ if (optind < argc) {
+ do_sethostname(argv[optind], 0);
+ } else if (opt_file) {
+ do_sethostname(filename, 1);
+ } else {
+ gethostname(buf, 255);
+ if (opt_short) {
+ s = strchr(buf, '.');
+ if (!s) s = buf; *s = 0;
+ printf("%s\n", buf);
+ } else if (opt_domain) {
+ s = strchr(buf, '.');
+ printf("%s\n", (s ? s+1 : ""));
+ } else if (opt_ip) {
+ h = gethostbyname(buf);
+ if (!h) {
+ printf("Host not found\n");
+ exit(1);
+ }
+ printf("%s\n", inet_ntoa(*(struct in_addr *)(h->h_addr)));
+ } else {
+ printf("%s\n", buf);
+ }
+ }
+ return 0;
+}
+