1 /* 2 * Redistribution and use in source and binary forms, with or without 3 * modification, are permitted provided that: (1) source code 4 * distributions retain the above copyright notice and this paragraph 5 * in its entirety, and (2) distributions including binary code include 6 * the above copyright notice and this paragraph in its entirety in 7 * the documentation or other materials provided with the distribution. 8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND 9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT 10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 11 * FOR A PARTICULAR PURPOSE. 12 * 13 * Original code by Hannes Gredler (hannes@juniper.net) 14 */ 15 16 #include <sys/cdefs.h> 17 #ifndef lint 18 __RCSID("$NetBSD: print-sip.c,v 1.4 2014/11/20 03:05:03 christos Exp $"); 19 #endif 20 21 #define NETDISSECT_REWORKED 22 #ifdef HAVE_CONFIG_H 23 #include "config.h" 24 #endif 25 26 #include <tcpdump-stdinc.h> 27 28 #include "interface.h" 29 #include "extract.h" 30 31 void 32 sip_print(netdissect_options *ndo, 33 register const u_char *pptr, register u_int len) 34 { 35 u_int idx; 36 37 ND_PRINT((ndo, "SIP, length: %u%s", len, ndo->ndo_vflag ? "\n\t" : "")); 38 39 /* in non-verbose mode just lets print the protocol and length */ 40 if (ndo->ndo_vflag < 1) 41 return; 42 43 for (idx = 0; idx < len; idx++) { 44 ND_TCHECK2(*(pptr+idx), 2); 45 if (EXTRACT_16BITS(pptr+idx) != 0x0d0a) { /* linefeed ? */ 46 safeputchar(ndo, *(pptr + idx)); 47 } else { 48 ND_PRINT((ndo, "\n\t")); 49 idx+=1; 50 } 51 } 52 53 /* do we want to see an additionally hexdump ? */ 54 if (ndo->ndo_vflag > 1) 55 print_unknown_data(ndo, pptr, "\n\t", len); 56 57 return; 58 59 trunc: 60 ND_PRINT((ndo, "[|sip]")); 61 } 62