1 /* 2 * 3 * Copyright (c) 2009 Wouter de Jong <maddog2k@maddog2k.net> 4 * Copyright (c) 2005-2008 Frank Knobbe <frank@knobbe.us> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * Acknowledgements: 29 * 30 * Heavily based on ssp_cisco_nullroute of Frank Knobbe <frank@knobbe.us> 31 * 32 * 33 * ssp_cisco_nullroute2.c 34 * 35 * Purpose: 36 * 37 * This SnortSam plugin telnet's into one or more Cisco routers and issues 38 * a route command to effectively "null-route" the intruding IP address. 39 * SnortSam will remove the added routes when the blocks expire. 40 * 41 * 42 */ 43 44 45 #ifndef __SSP_CISCO_NULLROUTE2_H__ 46 #define __SSP_CISCO_NULLROUTE2_H__ 47 48 49 #define CNRPWLEN 50 /* Maximum password length */ 50 #define CNRNETWAIT 20 /* Network timeout in sec */ 51 #define RTAGVAL_LEN 10UL /* Maximum length for route-tag */ 52 #define RTAGVAL_MIN 1UL /* Minimum value for route-tag */ 53 #define RTAGVAL_MAX 4294967295UL /* Maximum value for route-tag */ 54 55 56 typedef struct _cnr2data /* List of Routers */ 57 { struct in_addr ip; 58 SOCKET routersocket; 59 int userlogin; 60 int loggedin; 61 int autoenable; 62 char username[CNRPWLEN+1]; 63 char telnetpw[CNRPWLEN+1]; 64 char enablepw[CNRPWLEN+1]; 65 char routetag[RTAGVAL_LEN+1]; 66 } CISCONULLROUTE2DATA; 67 68 69 void CiscoNullRoute2Parse(char *,char *,unsigned long,DATALIST *); 70 void CiscoNullRoute2Block(BLOCKINFO *,void *,unsigned long); 71 72 #endif /* __SSP_CISCO_NULLROUTE2_H__ */ 73 74