imported original firmware WRT54GL_v4.30.11_11_US

1 files changed, 128 insertions, 0 deletions

diff --git a/release/src/router/busybox/hostname.c b/release/src/router/busybox/hostname.c
new file mode 100644
index 00000000..a09d9560
--- /dev/null
+++ b/release/src/router/busybox/hostname.c
@@ -0,0 +1,128 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * $Id: hostname.c,v 1.1.1.4 2003/10/14 08:09:38 sparq Exp $
+ * Mini hostname implementation for busybox
+ *
+ * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
+ *
+ * adjusted by Erik Andersen <andersee@debian.org> to remove
+ * use of long options and GNU getopt.  Improved the usage info.
+ *
+ * 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 <errno.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+static 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)
+				error_msg_and_die("you must be root to change the hostname");
+			else
+				perror_msg_and_die("sethostname");
+		}
+	} else {
+		f = xfopen(s, "r");
+		fgets(buf, 255, f);
+#ifdef BB_FEATURE_CLEAN_UP
+		fclose(f);
+#endif
+		chomp(buf);
+		do_sethostname(buf, 0);
+	}
+}
+
+int hostname_main(int argc, char **argv)
+{
+	int opt_short = 0;
+	int opt_domain = 0;
+	int opt_ip = 0;
+	struct hostent *h;
+	char *filename = NULL;
+	char buf[255];
+	char *s = NULL;
+
+	if (argc < 1)
+		show_usage();
+
+	while (--argc > 0 && **(++argv) == '-') {
+		while (*(++(*argv))) {
+			switch (**argv) {
+			case 's':
+				opt_short = 1;
+				break;
+			case 'i':
+				opt_ip = 1;
+				break;
+			case 'd':
+				opt_domain = 1;
+				break;
+			case 'F':
+				if (--argc == 0) {
+					show_usage();
+				}
+				filename = *(++argv);
+				break;
+			case '-':
+				if (strcmp(++(*argv), "file") || --argc ==0 ) {
+					show_usage();
+				}
+				filename = *(++argv);
+				break;
+			default:
+				show_usage();
+			}
+			if (filename != NULL)
+				break;
+		}
+	}
+
+	if (argc >= 1) {
+		do_sethostname(*argv, 0);
+	} else if (filename != NULL) {
+		do_sethostname(filename, 1);
+	} else {
+		gethostname(buf, 255);
+		if (opt_short) {
+			s = strchr(buf, '.');
+			if (!s)
+				s = buf;
+			*s = 0;
+			puts(buf);
+		} else if (opt_domain) {
+			s = strchr(buf, '.');
+			puts(s ? s + 1 : "");
+		} else if (opt_ip) {
+			h = xgethostbyname(buf);
+			puts(inet_ntoa(*(struct in_addr *) (h->h_addr)));
+		} else {
+			puts(buf);
+		}
+	}
+	return(0);
+}