130 lines
3.4 KiB
Diff
130 lines
3.4 KiB
Diff
diff --git a/include/applets.src.h b/include/applets.src.h
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index f4fab53..f97f2d8 100644
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--- a/include/applets.src.h
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+++ b/include/applets.src.h
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@@ -256,6 +256,7 @@ IF_MT(APPLET(mt, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_MV(APPLET(mv, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_NAMEIF(APPLET(nameif, _BB_DIR_SBIN, _BB_SUID_DROP))
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IF_NC(APPLET(nc, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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+IF_NETMSG(APPLET(netmsg, _BB_DIR_BIN, _BB_SUID_REQUIRE))
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IF_NETSTAT(APPLET(netstat, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_NICE(APPLET(nice, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_NMETER(APPLET(nmeter, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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diff --git a/include/usage.src.h b/include/usage.src.h
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index 30fef24..ac78992 100644
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--- a/include/usage.src.h
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+++ b/include/usage.src.h
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@@ -1,3 +1,4 @@
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+
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/* vi: set sw=8 ts=8: */
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/*
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* This file suffers from chronically incorrect tabification
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@@ -2706,6 +2707,9 @@ INSERT
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" or\n" \
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"$ nameif -c /etc/my_mactab_file\n" \
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+#define netmsg_trivial_usage NOUSAGE_STR
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+#define netmsg_full_usage ""
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+
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#define nmeter_trivial_usage \
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"format_string"
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#define nmeter_full_usage "\n\n" \
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diff --git a/networking/Config.src b/networking/Config.src
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index 6dd7df7..4682dd3 100644
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--- a/networking/Config.src
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+++ b/networking/Config.src
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@@ -640,6 +640,12 @@ config FEATURE_NAMEIF_EXTENDED
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new_interface_name mac=00:80:C8:38:91:B5
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new_interface_name 00:80:C8:38:91:B5
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+config NETMSG
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+ bool "netmsg"
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+ default n
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+ help
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+ simple program for sending udp broadcast messages
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+
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config NETSTAT
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bool "netstat"
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default y
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diff --git a/networking/Kbuild.src b/networking/Kbuild.src
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index f41a2df..6070a40 100644
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--- a/networking/Kbuild.src
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+++ b/networking/Kbuild.src
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@@ -27,6 +27,7 @@ lib-$(CONFIG_IP) += ip.o
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lib-$(CONFIG_IPCALC) += ipcalc.o
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lib-$(CONFIG_NAMEIF) += nameif.o
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lib-$(CONFIG_NC) += nc.o
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+lib-$(CONFIG_NETMSG) += netmsg.o
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lib-$(CONFIG_NETSTAT) += netstat.o
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lib-$(CONFIG_NSLOOKUP) += nslookup.o
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lib-$(CONFIG_NTPD) += ntpd.o
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diff --git a/networking/netmsg.c b/networking/netmsg.c
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new file mode 100644
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index 0000000..43aba0d
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--- /dev/null
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+++ b/networking/netmsg.c
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@@ -0,0 +1,63 @@
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+/*
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+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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+ *
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+ * This is free software, licensed under the GNU General Public License v2.
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+ */
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+#include <sys/types.h>
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+#include <sys/socket.h>
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+#include <netinet/in.h>
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+#include <netdb.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include "busybox.h"
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+
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+
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+#ifndef CONFIG_NETMSG
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+int main(int argc, char **argv)
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+#else
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+int netmsg_main(int argc, char **argv)
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+#endif
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+{
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+ int s;
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+ struct sockaddr_in addr;
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+ int optval = 1;
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+ unsigned char buf[1001];
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+
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+ if (argc != 3) {
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+ fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
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+ exit(1);
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+ }
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+
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+ if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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+ perror("Opening socket");
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+ exit(1);
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+ }
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+
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+ memset(&addr, 0, sizeof(addr));
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+ addr.sin_family = AF_INET;
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+ addr.sin_addr.s_addr = inet_addr(argv[1]);
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+ addr.sin_port = htons(0x1337);
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+
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+ memset(buf, 0, 1001);
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+ buf[0] = 0xde;
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+ buf[1] = 0xad;
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+
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+ strncpy(buf + 2, argv[2], 998);
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+
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+ if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
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+ perror("setsockopt()");
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+ goto fail;
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+ }
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+
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+ if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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+ perror("sendto()");
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+ goto fail;
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+ }
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+
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+ return 0;
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+
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+fail:
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+ close(s);
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+ exit(1);
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+}
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