dhtest-dhcp测试工具

dhtest readme ************* About the tool -------------- dhtest - linux dhcp client simulation tool. It can simulate hundreds of dhcp client from a linux machine. Linux root login is needed because the tool requires layer2 raw socket for sending and receiving dhcp packets. Installation ------------ * Download the latest source from github as zip. Download link - https://github.com/saravana815/dhtest/archive/master.zip [sargandh@CentOS Desktop]$ unzip dhtest-master.zip [sargandh@CentOS Desktop]$ cd dhtest-master [sargandh@CentOS dhtest-master]$ make gcc -c -o dhtest.o dhtest.c gcc -c -o functions.o functions.c gcc dhtest.o functions.o -o dhtest [sargandh@CentOS dhtest-master]$ ls -lh dhtest -rwxrwxr-x 1 sargandh sargandh 38K Mar 13 10:47 dhtest dhtest 1.5 - new 1.5 features supported ----------------------------------------- * Add option to send DHCP DECLINE packets ('-D' flag) * Fix potential Segmentation Fault in get_dhinfo() function dhtest 1.4 - till 1.4 features supported ----------------------------------------- * IP obtaining through DHCP * Release obtained IP with -r flag * VLAN * Broadcast flag support * DHCP option 50 - Requested IP * DHCP option 60 - Vendor Class Identifier * Binding obtained IP for a default timeout of 3600 seconds * Support of bind timeout with -k flag on command line * Added DHCP option 51 - Requested lease time from server * Added DHCP option 12 - Hostname * Added DHCP option 81 - Fqdn * Option to send in unicast mode. * Option to output for nagios. * Option to change port, patch by Alan Dekok. * Custom option support - Allows packing of any dhcp option in number/string/hex format License --------- Please see the LICENSE file. Tool usage examples ------------------- * https://sargandh.wordpress.com/2012/02/23/linux-dhcp-client-simulation-tool/ * custom option examples dhcp option 82 -------------- [root@CentOS dhtest-1.1]# ./dhtest -m 00:00:00:11:11:11 -c 82,hex,0108476967302f312f30021130303a30303a30303a31313a31313a3131 | || | | || |Subopt value - 'Gig0/1/0' | | ************** | Subopt len 8 Opt82 subopt 1 Circuit id [root@CentOS dhtest-1.1]# ./dhtest -m 00:00:00:11:11:11 -c 82,hex,0108476967302f312f30021130303a30303a30303a31313a31313a3131 | || | | || |Subopt value - '00:00:00:11:11:11' | | ************** | Subopt len 17 Opt82 subopt 2 Remote id dhcp option 60 and 82 (multiple custom options) ----------------------------------------------- [root@CentOS dhtest-1.1]# ./dhtest -m 00:00:00:11:11:11 -c 60,str,"MSFT 5.0" -c 82,hex,0108476967302f312f30021130303a30303a30303a31313a31313a3131 Contacts -------- Authour: Saravanakumar.G Send your comments, enhancements and bugs to [email protected]