1 /* $OpenBSD: print-enc.c,v 1.7 2002/02/19 19:39:40 millert Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) 10 * distributions including binary code include the above copyright notice and 11 * this paragraph in its entirety in the documentation or other materials 12 * provided with the distribution, and (3) all advertising materials mentioning 13 * features or use of this software display the following acknowledgement: 14 * ``This product includes software developed by the University of California, 15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 16 * the University nor the names of its contributors may be used to endorse 17 * or promote products derived from this software without specific prior 18 * written permission. 19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22 */ 23 24 #ifndef lint 25 static const char rcsid[] _U_ = 26 "@(#) $Header: /tcpdump/master/tcpdump/print-enc.c,v 1.6 2008-11-18 07:35:32 guy Exp $ (LBL)"; 27 #endif 28 29 #ifdef HAVE_CONFIG_H 30 #include "config.h" 31 #endif 32 33 #include <tcpdump-stdinc.h> 34 35 #include <pcap.h> 36 37 #include "interface.h" 38 #include "extract.h" 39 #include "addrtoname.h" 40 41 #include "enc.h" 42 43 #define ENC_PRINT_TYPE(wh, xf, nam) \ 44 if ((wh) & (xf)) { \ 45 printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \ 46 (wh) &= ~(xf); \ 47 } 48 49 u_int 50 enc_if_print(const struct pcap_pkthdr *h, register const u_char *p) 51 { 52 register u_int length = h->len; 53 register u_int caplen = h->caplen; 54 int flags; 55 const struct enchdr *hdr; 56 57 if (caplen < ENC_HDRLEN) { 58 printf("[|enc]"); 59 goto out; 60 } 61 62 hdr = (struct enchdr *)p; 63 flags = hdr->flags; 64 if (flags == 0) 65 printf("(unprotected): "); 66 else 67 printf("("); 68 ENC_PRINT_TYPE(flags, M_AUTH, "authentic"); 69 ENC_PRINT_TYPE(flags, M_CONF, "confidential"); 70 /* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */ 71 printf("SPI 0x%08x: ", EXTRACT_32BITS(&hdr->spi)); 72 73 length -= ENC_HDRLEN; 74 caplen -= ENC_HDRLEN; 75 p += ENC_HDRLEN; 76 77 switch (hdr->af) { 78 case AF_INET: 79 ip_print(gndo, p, length); 80 break; 81 #ifdef INET6 82 case AF_INET6: 83 ip6_print(gndo, p, length); 84 break; 85 #endif /*INET6*/ 86 } 87 88 out: 89 return (ENC_HDRLEN); 90 } 91 92 93 /* 94 * Local Variables: 95 * c-style: whitesmith 96 * c-basic-offset: 8 97 * End: 98 */ 99
