From 008d0be72b2f160382c6e880765e96b64a050c65 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 3 Jan 2015 12:04:58 +0100
Subject: imported original firmware WRT54GL_v4.30.11_11_US

---
 release/src/router/bridge/brctl/brctld.c | 210 +++++++++++++++++++++++++++++++
 1 file changed, 210 insertions(+)
 create mode 100644 release/src/router/bridge/brctl/brctld.c

(limited to 'release/src/router/bridge/brctl/brctld.c')

diff --git a/release/src/router/bridge/brctl/brctld.c b/release/src/router/bridge/brctl/brctld.c
new file mode 100644
index 00000000..2f300c2e
--- /dev/null
+++ b/release/src/router/bridge/brctl/brctld.c
@@ -0,0 +1,210 @@
+/*
+ * $Id: brctld.c,v 1.1.1.4 2003/10/14 08:09:37 sparq Exp $
+ *
+ * Copyright (C) 2000 Lennert Buytenhek
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <asm/param.h>
+#include "libbridge.h"
+#include "brctl.h"
+
+char *help_message =
+"addbr\t\t\t\t\tadd bridge\n"
+"addif\t\t\t<device>\tadd interface to bridge\n"
+"bridge\t\t\t<bridge>\tselect bridge to work in\n"
+"delbr\t\t\t\t\tdelete bridge\n"
+"delif\t\t\t<device>\tdelete interface from bridge\n"
+"setageing\t\t<time>\t\tset ageing time\n"
+"setbridgeprio\t\t<prio>\t\tset bridge priority\n"
+"setfd\t\t\t<time>\t\tset bridge forward delay\n"
+"setgcint\t\t<time>\t\tset garbage collection interval\n"
+"sethello\t\t<time>\t\tset hello time\n"
+"setmaxage\t\t<time>\t\tset max message age\n"
+"setpathcost\t\t<port> <cost>\tset path cost\n"
+"setportprio\t\t<port> <prio>\tset port priority\n"
+"show\t\t\t\t\tshow a list of bridges\n"
+"showbr\t\t\t\t\tshow bridge info\n"
+"showmacs\t\t\t\tshow a list of mac addrs\n"
+"stp\t\t\t<state>\t\t{dis,en}able stp\n"
+"quit\t\t\t\t\texit this session\n"
+"\n";
+
+void help()
+{
+	fprintf(stderr, help_message);
+}
+
+struct bridge *br = NULL;
+
+int forkaway()
+{
+	int f;
+
+	f = fork();
+	if (f < 0) {
+		perror("fork");
+		exit(-1);
+	}
+
+	return f;
+}
+
+void runchild(int sock)
+{
+	char hostname[128];
+
+	if (forkaway())
+		return;
+
+	/* Hack. */
+	close(0); dup(sock);
+	close(1); dup(sock);
+	close(2); dup(sock);
+
+	br_init();
+	gethostname(hostname, 128);
+
+	printf("\n\n\n\n");
+	printf("brctld\t\tCopyright (C) 2000 Lennert Buytenhek <buytenh@gnu.org>\n");
+	printf("======================================================================");
+	printf("\n\n\n\n");
+
+	while (1) {
+		char arg0[128];
+		char arg1[128];
+		char cmd[128];
+		struct command *cmdptr;
+		char line[1024];
+		int numcmd;
+
+		printf("<%s> ", hostname);
+		fflush(stdout);
+		line[1023] = 0;
+		fgets(line, 1023, stdin);
+		while (strlen(line) > 0 &&
+		       (line[strlen(line)-1] == '\r' ||
+			line[strlen(line)-1] == '\n'))
+			line[strlen(line)-1] = 0;
+
+		numcmd = sscanf(line, "%s %s %s", cmd, arg0, arg1);
+
+		if (!strcmp(cmd, "help")) {
+			help();
+			continue;
+		} else if (!strcmp(cmd, "bridge")) {
+			if (numcmd != 2) {
+				fprintf(stderr, "invalid number of arguments\n");
+				continue;
+			}
+
+			br = br_find_bridge(arg0);
+			if (br != NULL)
+				printf("now using bridge %s\n\n", arg0);
+			else
+				printf("can't find bridge %s\n\n", arg0);
+			continue;
+		} else if (!strcmp(cmd, "quit")) {
+			break;
+		}
+
+		if ((cmdptr = br_command_lookup(cmd)) == NULL) {
+			printf("unknown command '%s'\n\n", line);
+			continue;
+		}
+
+		if (cmdptr->needs_bridge_argument && br == NULL) {
+			printf("this command needs a bridge\n\n");
+			continue;
+		}
+
+		br_refresh();
+		cmdptr->func(br, arg0, arg1);
+		printf("\n");
+	}
+
+	shutdown(sock, 2);
+	exit(0);
+}
+
+void sigchild(int sig)
+{
+	int status;
+
+	wait3(&status, WNOHANG, NULL);
+}
+
+int main(int argc, char *argv[])
+{
+	struct sockaddr_in addr;
+	int sock;
+	int x;
+
+	if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		perror("socket");
+		return 1;
+	}
+
+	x = 1;
+	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x)) < 0) {
+		perror("setsockopt");
+		return 1;
+	}
+
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = htonl(INADDR_ANY);
+	addr.sin_port = htons(31338);
+	if (bind(sock, &addr, sizeof(addr)) < 0) {
+		perror("bind");
+		return 1;
+	}
+
+	if (listen(sock, 1) < 0) {
+		perror("listen");
+		return 1;
+	}
+
+	if (forkaway())
+		return 0;
+
+	setsid();
+	signal(SIGCHLD, sigchild);
+
+	while (1) {
+		int len;
+		int newsock;
+
+		len = sizeof(addr);
+		if ((newsock = accept(sock, &addr, &len)) < 0) {
+			perror("accept");
+			return 1;
+		}
+
+		runchild(newsock);
+	}
+
+	return 0;
+}
-- 
cgit v1.2.3-54-g00ecf