diff options
Diffstat (limited to 'package/utils/busybox/patches/210-add_netmsg_util.patch')
| -rw-r--r-- | package/utils/busybox/patches/210-add_netmsg_util.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/210-add_netmsg_util.patch b/package/utils/busybox/patches/210-add_netmsg_util.patch new file mode 100644 index 0000000..8162e3b --- /dev/null +++ b/package/utils/busybox/patches/210-add_netmsg_util.patch @@ -0,0 +1,103 @@ +--- a/include/applets.src.h ++++ b/include/applets.src.h +@@ -254,6 +254,7 @@ IF_MT(APPLET(mt, BB_DIR_BIN, BB_SUID_DRO + IF_MV(APPLET(mv, BB_DIR_BIN, BB_SUID_DROP)) + IF_NAMEIF(APPLET(nameif, BB_DIR_SBIN, BB_SUID_DROP)) + IF_NC(APPLET(nc, BB_DIR_USR_BIN, BB_SUID_DROP)) ++IF_NETMSG(APPLET(netmsg, BB_DIR_BIN, BB_SUID_REQUIRE)) + IF_NETSTAT(APPLET(netstat, BB_DIR_BIN, BB_SUID_DROP)) + IF_NICE(APPLET(nice, BB_DIR_BIN, BB_SUID_DROP)) + IF_NOHUP(APPLET(nohup, BB_DIR_USR_BIN, BB_SUID_DROP)) +--- a/networking/Config.src ++++ b/networking/Config.src +@@ -626,6 +626,12 @@ config FEATURE_IPCALC_LONG_OPTIONS + help + Support long options for the ipcalc applet. + ++config NETMSG ++ bool "netmsg" ++ default n ++ help ++ simple program for sending udp broadcast messages ++ + config NETSTAT + bool "netstat" + default y +--- a/networking/Kbuild.src ++++ b/networking/Kbuild.src +@@ -27,6 +27,7 @@ lib-$(CONFIG_IP) += ip.o + lib-$(CONFIG_IPCALC) += ipcalc.o + lib-$(CONFIG_NAMEIF) += nameif.o + lib-$(CONFIG_NC) += nc.o ++lib-$(CONFIG_NETMSG) += netmsg.o + lib-$(CONFIG_NETSTAT) += netstat.o + lib-$(CONFIG_NSLOOKUP) += nslookup.o + lib-$(CONFIG_NTPD) += ntpd.o +--- /dev/null ++++ b/networking/netmsg.c +@@ -0,0 +1,65 @@ ++/* ++ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> ++ * ++ * This is free software, licensed under the GNU General Public License v2. ++ */ ++#include <sys/types.h> ++#include <sys/socket.h> ++#include <netinet/in.h> ++#include <netdb.h> ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++#include "busybox.h" ++ ++//usage:#define netmsg_trivial_usage NOUSAGE_STR ++//usage:#define netmsg_full_usage "" ++ ++#ifndef CONFIG_NETMSG ++int main(int argc, char **argv) ++#else ++int netmsg_main(int argc, char **argv) ++#endif ++{ ++ int s; ++ struct sockaddr_in addr; ++ int optval = 1; ++ unsigned char buf[1001]; ++ ++ if (argc != 3) { ++ fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]); ++ exit(1); ++ } ++ ++ if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { ++ perror("Opening socket"); ++ exit(1); ++ } ++ ++ memset(&addr, 0, sizeof(addr)); ++ addr.sin_family = AF_INET; ++ addr.sin_addr.s_addr = inet_addr(argv[1]); ++ addr.sin_port = htons(0x1337); ++ ++ memset(buf, 0, 1001); ++ buf[0] = 0xde; ++ buf[1] = 0xad; ++ ++ strncpy(buf + 2, argv[2], 998); ++ ++ if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) { ++ perror("setsockopt()"); ++ goto fail; ++ } ++ ++ if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) { ++ perror("sendto()"); ++ goto fail; ++ } ++ ++ return 0; ++ ++fail: ++ close(s); ++ exit(1); ++} |