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 #define NETDISSECT_REWORKED 17 #ifdef HAVE_CONFIG_H 18 #include "config.h" 19 #endif 20 21 #include <tcpdump-stdinc.h> 22 23 #include "interface.h" 24 #include "extract.h" 25 26 void 27 sip_print(netdissect_options *ndo, 28 register const u_char *pptr, register u_int len) 29 { 30 u_int idx; 31 32 ND_PRINT((ndo, "SIP, length: %u%s", len, ndo->ndo_vflag ? "\n\t" : "")); 33 34 /* in non-verbose mode just lets print the protocol and length */ 35 if (ndo->ndo_vflag < 1) 36 return; 37 38 for (idx = 0; idx < len; idx++) { 39 ND_TCHECK2(*(pptr+idx), 2); 40 if (EXTRACT_16BITS(pptr+idx) != 0x0d0a) { /* linefeed ? */ 41 safeputchar(ndo, *(pptr + idx)); 42 } else { 43 ND_PRINT((ndo, "\n\t")); 44 idx+=1; 45 } 46 } 47 48 /* do we want to see an additionally hexdump ? */ 49 if (ndo->ndo_vflag > 1) 50 print_unknown_data(ndo, pptr, "\n\t", len); 51 52 return; 53 54 trunc: 55 ND_PRINT((ndo, "[|sip]")); 56 } 57