--- a/include/applets.src.h +++ b/include/applets.src.h @@ -229,6 +229,7 @@ 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 @@ -639,6 +639,12 @@ 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@nbd.name> + * + * 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); +} ass='right' method='get' action='/cgit.cgi/openwrt/upstream/log/target/linux/ath25/Makefile'> <input type='hidden' name='h' value='old-master'/><input type='hidden' name='id' value='22c398d2576b97b5afc67d6802528dc9eceb4d8a'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/openwrt/upstream/tree/?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>root</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>target</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>linux</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/ath25?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>ath25</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/ath25/Makefile?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>Makefile</a></div><div class='content'>blob: 27c26396590f86c3fd592226c057db0b647ae2b3 (<a href='/cgit.cgi/openwrt/upstream/plain/target/linux/ath25/Makefile?h=old-master&id=22c398d2576b97b5afc67d6802528dc9eceb4d8a'>plain</a>) <table summary='blob content' class='blob'> <tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a> <a id='n2' href='#n2'>2</a> <a id='n3' href='#n3'>3</a> <a id='n4' href='#n4'>4</a> <a id='n5' href='#n5'>5</a> <a id='n6' href='#n6'>6</a> <a id='n7' href='#n7'>7</a> <a id='n8' href='#n8'>8</a> <a id='n9' href='#n9'>9</a> <a id='n10' href='#n10'>10</a> <a id='n11' href='#n11'>11</a> <a id='n12' href='#n12'>12</a> <a id='n13' href='#n13'>13</a> <a id='n14' href='#n14'>14</a> <a id='n15' href='#n15'>15</a> <a id='n16' href='#n16'>16</a> <a id='n17' href='#n17'>17</a> <a id='n18' href='#n18'>18</a> <a id='n19' href='#n19'>19</a> <a id='n20' href='#n20'>20</a> <a id='n21' href='#n21'>21</a> <a id='n22' href='#n22'>22</a> <a id='n23' href='#n23'>23</a> <a id='n24' href='#n24'>24</a> <a id='n25' href='#n25'>25</a> </pre></td> <td class='lines'><pre><code>