From f987273429d8bbb3e2e0aaef31cccac3b4f63137 Mon Sep 17 00:00:00 2001 From: Miroslav Lichvar Date: Sep 18 2007 14:34:58 +0000 Subject: - support decoding IKEv2 packets --- diff --git a/tcpdump-3.9.7-ikev2.patch b/tcpdump-3.9.7-ikev2.patch new file mode 100644 index 0000000..ed36a2b --- /dev/null +++ b/tcpdump-3.9.7-ikev2.patch @@ -0,0 +1,2644 @@ +Index: tcpdump/interface.h +=================================================================== +RCS file: /tcpdump/master/tcpdump/interface.h,v +retrieving revision 1.278 +retrieving revision 1.279 +diff -u -r1.278 -r1.279 +--- tcpdump/interface.h 8 Aug 2007 17:20:58 -0000 1.278 ++++ tcpdump/interface.h 29 Aug 2007 12:31:00 -0000 1.279 +@@ -356,6 +356,7 @@ + + /* forward compatibility */ + ++#ifndef NETDISSECT_REWORKED + extern netdissect_options *gndo; + + #define eflag gndo->ndo_eflag +@@ -389,3 +390,4 @@ + #define snaplen gndo->ndo_snaplen + #define snapend gndo->ndo_snapend + ++#endif +Index: tcpdump/isakmp.h +=================================================================== +RCS file: /tcpdump/master/tcpdump/isakmp.h,v +retrieving revision 1.10 +retrieving revision 1.11 +diff -u -r1.10 -r1.11 +--- tcpdump/isakmp.h 11 Dec 2002 07:13:54 -0000 1.10 ++++ tcpdump/isakmp.h 29 Aug 2007 02:38:14 -0000 1.11 +@@ -81,7 +81,7 @@ + #define ISAKMP_TIMER_DEFAULT 10 /* seconds */ + #define ISAKMP_TRY_DEFAULT 3 /* times */ + +-/* 3.1 ISAKMP Header Format ++/* 3.1 ISAKMP Header Format (IKEv1 and IKEv2) + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ! Initiator ! +@@ -128,8 +128,11 @@ + #define ISAKMP_NPTYPE_D 12 /* Delete */ + #define ISAKMP_NPTYPE_VID 13 /* Vendor ID */ + +-#define ISAKMP_MAJOR_VERSION 1 +-#define ISAKMP_MINOR_VERSION 0 ++#define IKEv1_MAJOR_VERSION 1 ++#define IKEv1_MINOR_VERSION 0 ++ ++#define IKEv2_MAJOR_VERSION 2 ++#define IKEv2_MINOR_VERSION 0 + + /* Exchange Type */ + #define ISAKMP_ETYPE_NONE 0 /* NONE */ +@@ -142,6 +145,13 @@ + /* Flags */ + #define ISAKMP_FLAG_E 0x01 /* Encryption Bit */ + #define ISAKMP_FLAG_C 0x02 /* Commit Bit */ ++#define ISAKMP_FLAG_extra 0x04 ++ ++/* IKEv2 */ ++#define ISAKMP_FLAG_I (1 << 3) /* (I)nitiator */ ++#define ISAKMP_FLAG_V (1 << 4) /* (V)ersion */ ++#define ISAKMP_FLAG_R (1 << 5) /* (R)esponse */ ++ + + /* 3.2 Payload Generic Header + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +@@ -151,7 +161,7 @@ + */ + struct isakmp_gen { + u_int8_t np; /* Next Payload */ +- u_int8_t reserved; /* RESERVED, unused, must set to 0 */ ++ u_int8_t critical; /* bit 7 - critical, rest is RESERVED */ + u_int16_t len; /* Payload Length */ + }; + +@@ -188,7 +198,7 @@ + message of a Base Exchange (see Section 4.4) and the value "0" in the + first message of an Identity Protect Exchange (see Section 4.5). + */ +-struct isakmp_pl_sa { ++struct ikev1_pl_sa { + struct isakmp_gen h; + u_int32_t doi; /* Domain of Interpretation */ + u_int32_t sit; /* Situation */ +@@ -202,7 +212,7 @@ + last within the security association proposal, then this field will + be 0. + */ +-struct isakmp_pl_p { ++struct ikev1_pl_p { + struct isakmp_gen h; + u_int8_t p_no; /* Proposal # */ + u_int8_t prot_id; /* Protocol */ +@@ -218,7 +228,7 @@ + then this field will be 3. If the current Transform payload is the + last within the proposal, then this field will be 0. + */ +-struct isakmp_pl_t { ++struct ikev1_pl_t { + struct isakmp_gen h; + u_int8_t t_no; /* Transform # */ + u_int8_t t_id; /* Transform-Id */ +@@ -227,14 +237,14 @@ + }; + + /* 3.7 Key Exchange Payload */ +-struct isakmp_pl_ke { ++struct ikev1_pl_ke { + struct isakmp_gen h; + /* Key Exchange Data */ + }; + + /* 3.8 Identification Payload */ + /* MUST NOT to be used, because of being defined in ipsec-doi. */ +-struct isakmp_pl_id { ++struct ikev1_pl_id { + struct isakmp_gen h; + union { + u_int8_t id_type; /* ID Type */ +@@ -244,7 +254,7 @@ + }; + + /* 3.9 Certificate Payload */ +-struct isakmp_pl_cert { ++struct ikev1_pl_cert { + struct isakmp_gen h; + u_int8_t encode; /* Cert Encoding */ + char cert; /* Certificate Data */ +@@ -268,7 +278,7 @@ + #define ISAKMP_CERT_SPKI 9 + + /* 3.10 Certificate Request Payload */ +-struct isakmp_pl_cr { ++struct ikev1_pl_cr { + struct isakmp_gen h; + u_int8_t num_cert; /* # Cert. Types */ + /* +@@ -283,27 +293,27 @@ + + /* 3.11 Hash Payload */ + /* may not be used, because of having only data. */ +-struct isakmp_pl_hash { ++struct ikev1_pl_hash { + struct isakmp_gen h; + /* Hash Data */ + }; + + /* 3.12 Signature Payload */ + /* may not be used, because of having only data. */ +-struct isakmp_pl_sig { ++struct ikev1_pl_sig { + struct isakmp_gen h; + /* Signature Data */ + }; + + /* 3.13 Nonce Payload */ + /* may not be used, because of having only data. */ +-struct isakmp_pl_nonce { ++struct ikev1_pl_nonce { + struct isakmp_gen h; + /* Nonce Data */ + }; + + /* 3.14 Notification Payload */ +-struct isakmp_pl_n { ++struct ikev1_pl_n { + struct isakmp_gen h; + u_int32_t doi; /* Domain of Interpretation */ + u_int8_t prot_id; /* Protocol-ID */ +@@ -347,7 +357,7 @@ + #define ISAKMP_LOG_RETRY_LIMIT_REACHED 65530 + + /* 3.15 Delete Payload */ +-struct isakmp_pl_d { ++struct ikev1_pl_d { + struct isakmp_gen h; + u_int32_t doi; /* Domain of Interpretation */ + u_int8_t prot_id; /* Protocol-Id */ +@@ -357,15 +367,15 @@ + }; + + +-struct isakmp_ph1tab { +- struct isakmp_ph1 *head; +- struct isakmp_ph1 *tail; ++struct ikev1_ph1tab { ++ struct ikev1_ph1 *head; ++ struct ikev1_ph1 *tail; + int len; + }; + + struct isakmp_ph2tab { +- struct isakmp_ph2 *head; +- struct isakmp_ph2 *tail; ++ struct ikev1_ph2 *head; ++ struct ikev1_ph2 *tail; + int len; + }; + +@@ -375,4 +385,99 @@ + #define PFS_NEED 1 + #define PFS_NONEED 0 + ++/* IKEv2 (RFC4306) */ ++ ++/* 3.3 Security Association Payload -- generic header */ ++/* 3.3.1. Proposal Substructure */ ++struct ikev2_p { ++ struct isakmp_gen h; ++ u_int8_t p_no; /* Proposal # */ ++ u_int8_t prot_id; /* Protocol */ ++ u_int8_t spi_size; /* SPI Size */ ++ u_int8_t num_t; /* Number of Transforms */ ++}; ++ ++/* 3.3.2. Transform Substructure */ ++struct ikev2_t { ++ struct isakmp_gen h; ++ u_int8_t t_type; /* Transform Type (ENCR,PRF,INTEG,etc.*/ ++ u_int8_t res2; /* reserved byte */ ++ u_int16_t t_id; /* Transform ID */ ++}; ++ ++enum ikev2_t_type { ++ IV2_T_ENCR = 1, ++ IV2_T_PRF = 2, ++ IV2_T_INTEG= 3, ++ IV2_T_DH = 4, ++ IV2_T_ESN = 5, ++}; ++ ++/* 3.4. Key Exchange Payload */ ++struct ikev2_ke { ++ struct isakmp_gen h; ++ u_int16_t ke_group; ++ u_int16_t ke_res1; ++ /* KE data */ ++}; ++ ++ ++/* 3.10 Notification Payload */ ++struct ikev2_n { ++ struct isakmp_gen h; ++ u_int8_t prot_id; /* Protocol-ID */ ++ u_int8_t spi_size; /* SPI Size */ ++ u_int16_t type; /* Notify Message Type */ ++ /* SPI */ ++ /* Notification Data */ ++}; ++ ++enum ikev2_n_type { ++ IV2_NOTIFY_UNSUPPORTED_CRITICAL_PAYLOAD = 1, ++ IV2_NOTIFY_INVALID_IKE_SPI = 4, ++ IV2_NOTIFY_INVALID_MAJOR_VERSION = 5, ++ IV2_NOTIFY_INVALID_SYNTAX = 7, ++ IV2_NOTIFY_INVALID_MESSAGE_ID = 9, ++ IV2_NOTIFY_INVALID_SPI =11, ++ IV2_NOTIFY_NO_PROPOSAL_CHOSEN =14, ++ IV2_NOTIFY_INVALID_KE_PAYLOAD =17, ++ IV2_NOTIFY_AUTHENTICATION_FAILED =24, ++ IV2_NOTIFY_SINGLE_PAIR_REQUIRED =34, ++ IV2_NOTIFY_NO_ADDITIONAL_SAS =35, ++ IV2_NOTIFY_INTERNAL_ADDRESS_FAILURE =36, ++ IV2_NOTIFY_FAILED_CP_REQUIRED =37, ++ IV2_NOTIFY_INVALID_SELECTORS =39, ++ IV2_NOTIFY_INITIAL_CONTACT =16384, ++ IV2_NOTIFY_SET_WINDOW_SIZE =16385, ++ IV2_NOTIFY_ADDITIONAL_TS_POSSIBLE =16386, ++ IV2_NOTIFY_IPCOMP_SUPPORTED =16387, ++ IV2_NOTIFY_NAT_DETECTION_SOURCE_IP =16388, ++ IV2_NOTIFY_NAT_DETECTION_DESTINATION_IP =16389, ++ IV2_NOTIFY_COOKIE =16390, ++ IV2_NOTIFY_USE_TRANSPORT_MODE =16391, ++ IV2_NOTIFY_HTTP_CERT_LOOKUP_SUPPORTED =16392, ++ IV2_NOTIFY_REKEY_SA =16393, ++ IV2_NOTIFY_ESP_TFC_PADDING_NOT_SUPPORTED =16394, ++ IV2_NOTIFY_NON_FIRST_FRAGMENTS_ALSO =16395 ++}; ++ ++struct notify_messages { ++ u_int16_t type; ++ char *msg; ++}; ++ ++/* 3.8 Notification Payload */ ++struct ikev2_auth { ++ struct isakmp_gen h; ++ u_int8_t auth_method; /* Protocol-ID */ ++ u_int8_t reserved[3]; ++ /* authentication data */ ++}; ++ ++enum ikev2_auth_type { ++ IV2_RSA_SIG = 1, ++ IV2_SHARED = 2, ++ IV2_DSS_SIG = 3, ++}; ++ + #endif /* !defined(_ISAKMP_H_) */ +Index: tcpdump/print-isakmp.c +=================================================================== +RCS file: /tcpdump/master/tcpdump/print-isakmp.c,v +retrieving revision 1.53 +retrieving revision 1.56 +diff -u -r1.53 -r1.56 +--- tcpdump/print-isakmp.c 27 Aug 2006 18:48:29 -0000 1.53 ++++ tcpdump/print-isakmp.c 29 Aug 2007 12:31:00 -0000 1.56 +@@ -34,4 +34,5 @@ + #endif + ++#define NETDISSECT_REWORKED + #ifdef HAVE_CONFIG_H + #include "config.h" +@@ -59,39 +60,64 @@ + #define sockaddr_storage sockaddr + #endif + +-static const u_char *isakmp_sa_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_p_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_t_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_ke_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_id_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_cert_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_cr_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_sig_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_hash_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_nonce_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_n_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_d_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_vid_print(const struct isakmp_gen *, +- u_int, const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_sub0_print(u_char, const struct isakmp_gen *, ++#define DECLARE_PRINTER(func) static const u_char *ike##func##_print( \ ++ netdissect_options *ndo, u_char tpay, \ ++ const struct isakmp_gen *ext, \ ++ u_int item_len, \ ++ const u_char *end_pointer, \ ++ u_int32_t phase,\ ++ u_int32_t doi0, \ ++ u_int32_t proto0, int depth) ++ ++DECLARE_PRINTER(v1_sa); ++DECLARE_PRINTER(v1_p); ++DECLARE_PRINTER(v1_t); ++DECLARE_PRINTER(v1_ke); ++DECLARE_PRINTER(v1_id); ++DECLARE_PRINTER(v1_cert); ++DECLARE_PRINTER(v1_cr); ++DECLARE_PRINTER(v1_sig); ++DECLARE_PRINTER(v1_hash); ++DECLARE_PRINTER(v1_nonce); ++DECLARE_PRINTER(v1_n); ++DECLARE_PRINTER(v1_d); ++DECLARE_PRINTER(v1_vid); ++ ++DECLARE_PRINTER(v2_sa); ++DECLARE_PRINTER(v2_ke); ++DECLARE_PRINTER(v2_ID); ++DECLARE_PRINTER(v2_cert); ++DECLARE_PRINTER(v2_cr); ++DECLARE_PRINTER(v2_auth); ++DECLARE_PRINTER(v2_nonce); ++DECLARE_PRINTER(v2_n); ++DECLARE_PRINTER(v2_d); ++DECLARE_PRINTER(v2_vid); ++DECLARE_PRINTER(v2_TS); ++DECLARE_PRINTER(v2_e); ++DECLARE_PRINTER(v2_cp); ++DECLARE_PRINTER(v2_eap); ++ ++static const u_char *ike_sub0_print(netdissect_options *ndo,u_char, const struct isakmp_gen *, + const u_char *, u_int32_t, u_int32_t, u_int32_t, int); +-static const u_char *isakmp_sub_print(u_char, const struct isakmp_gen *, ++static const u_char *ikev1_sub_print(netdissect_options *ndo,u_char, const struct isakmp_gen *, + const u_char *, u_int32_t, u_int32_t, u_int32_t, int); ++ ++static const u_char *ikev2_sub_print(netdissect_options *ndo, ++ u_char np, const struct isakmp_gen *ext, ++ const u_char *ep, u_int32_t phase, ++ u_int32_t doi, u_int32_t proto, ++ int depth); ++ ++ + static char *numstr(int); + static void safememcpy(void *, const void *, size_t); + ++static void ++ikev1_print(netdissect_options *ndo, ++ const u_char *bp, u_int length, ++ const u_char *bp2, struct isakmp *base); ++ + #define MAXINITIATORS 20 + int ninitiator = 0; + struct { +@@ -107,36 +133,73 @@ + + /* isakmp->np */ + static const char *npstr[] = { +- "none", "sa", "p", "t", "ke", "id", "cert", "cr", "hash", +- "sig", "nonce", "n", "d", "vid" ++ "none", "sa", "p", "t", "ke", "id", "cert", "cr", "hash", /* 0 - 8 */ ++ "sig", "nonce", "n", "d", "vid", /* 9 - 13 */ ++ "pay14", "pay15", "pay16", "pay17", "pay18", /* 14- 18 */ ++ "pay19", "pay20", "pay21", "pay22", "pay23", /* 19- 23 */ ++ "pay24", "pay25", "pay26", "pay27", "pay28", /* 24- 28 */ ++ "pay29", "pay30", "pay31", "pay32", /* 29- 32 */ ++ "v2sa", "v2ke", "v2IDi", "v2IDr", "v2cert",/* 33- 37 */ ++ "v2cr", "v2auth","v2nonce", "v2n", "v2d", /* 38- 42 */ ++ "v2vid", "v2TSi", "v2TSr", "v2e", "v2cp", /* 43- 47 */ ++ "v2eap", /* 48 */ ++ + }; + + /* isakmp->np */ +-static const u_char *(*npfunc[])(const struct isakmp_gen *, u_int, +- const u_char *, u_int32_t, u_int32_t, u_int32_t, int) = { ++static const u_char *(*npfunc[])(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len, ++ const u_char *end_pointer, ++ u_int32_t phase, ++ u_int32_t doi0, ++ u_int32_t proto0, int depth) = { + NULL, +- isakmp_sa_print, +- isakmp_p_print, +- isakmp_t_print, +- isakmp_ke_print, +- isakmp_id_print, +- isakmp_cert_print, +- isakmp_cr_print, +- isakmp_hash_print, +- isakmp_sig_print, +- isakmp_nonce_print, +- isakmp_n_print, +- isakmp_d_print, +- isakmp_vid_print, ++ ikev1_sa_print, ++ ikev1_p_print, ++ ikev1_t_print, ++ ikev1_ke_print, ++ ikev1_id_print, ++ ikev1_cert_print, ++ ikev1_cr_print, ++ ikev1_hash_print, ++ ikev1_sig_print, ++ ikev1_nonce_print, ++ ikev1_n_print, ++ ikev1_d_print, ++ ikev1_vid_print, /* 13 */ ++ NULL, NULL, NULL, NULL, NULL, /* 14- 18 */ ++ NULL, NULL, NULL, NULL, NULL, /* 19- 23 */ ++ NULL, NULL, NULL, NULL, NULL, /* 24- 28 */ ++ NULL, NULL, NULL, NULL, /* 29- 32 */ ++ ikev2_sa_print, /* 33 */ ++ ikev2_ke_print, /* 34 */ ++ ikev2_ID_print, /* 35 */ ++ ikev2_ID_print, /* 36 */ ++ ikev2_cert_print, /* 37 */ ++ ikev2_cr_print, /* 38 */ ++ ikev2_auth_print, /* 39 */ ++ ikev2_nonce_print, /* 40 */ ++ ikev2_n_print, /* 41 */ ++ ikev2_d_print, /* 42 */ ++ ikev2_vid_print, /* 43 */ ++ ikev2_TS_print, /* 44 */ ++ ikev2_TS_print, /* 45 */ ++ ikev2_e_print, /* 46 */ ++ ikev2_cp_print, /* 47 */ ++ ikev2_eap_print, /* 48 */ + }; + + /* isakmp->etype */ + static const char *etypestr[] = { +- "none", "base", "ident", "auth", "agg", "inf", NULL, NULL, +- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, +- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, +- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, +- "oakley-quick", "oakley-newgroup", ++/* IKEv1 exchange types */ ++ "none", "base", "ident", "auth", "agg", "inf", NULL, NULL, /* 0-7 */ ++ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 8-15 */ ++ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 16-23 */ ++ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 24-31 */ ++ "oakley-quick", "oakley-newgroup", /* 32-33 */ ++/* IKEv2 exchange types */ ++ "ikev2_init", "ikev2_auth", "child_sa", "inf2" /* 34-37 */ + }; + + #define STR_OR_ID(x, tab) \ +@@ -145,6 +208,13 @@ + #define NPSTR(x) STR_OR_ID(x, npstr) + #define ETYPESTR(x) STR_OR_ID(x, etypestr) + ++#define CHECKLEN(p, np) \ ++ if (ep < (u_char *)(p)) { \ ++ ND_PRINT((ndo," [|%s]", NPSTR(np))); \ ++ goto done; \ ++ } ++ ++ + #define NPFUNC(x) \ + (((x) < sizeof(npfunc)/sizeof(npfunc[0]) && npfunc[(x)]) \ + ? npfunc[(x)] : NULL) +@@ -322,21 +392,54 @@ + } + + static int +-rawprint(caddr_t loc, size_t len) ++rawprint(netdissect_options *ndo, caddr_t loc, size_t len) + { + static u_char *p; + size_t i; + +- TCHECK2(*loc, len); ++ ND_TCHECK2(*loc, len); + + p = (u_char *)loc; + for (i = 0; i < len; i++) +- printf("%02x", p[i] & 0xff); ++ ND_PRINT((ndo,"%02x", p[i] & 0xff)); + return 1; + trunc: + return 0; + } + ++/* ++ * returns false if we run out of data buffer ++ */ ++static int ike_show_somedata(struct netdissect_options *ndo, ++ const u_char *cp, const u_char *ep) ++{ ++ /* there is too much data, just show some of it */ ++ const u_char *end = ep - 20; ++ int elen = 20; ++ int len = ep - cp; ++ if(len > 10) { ++ len = 10; ++ } ++ ++ /* really shouldn't happen because of above */ ++ if(end < cp + len) { ++ end = cp+len; ++ elen = ep - end; ++ } ++ ++ ND_PRINT((ndo," data=(")); ++ if(!rawprint(ndo, (caddr_t)(cp), len)) goto trunc; ++ ND_PRINT((ndo, "...")); ++ if(elen) { ++ if(!rawprint(ndo, (caddr_t)(end), elen)) goto trunc; ++ } ++ ND_PRINT((ndo,")")); ++ return 1; ++ ++trunc: ++ return 0; ++} ++ + struct attrmap { + const char *type; + u_int nvalue; +@@ -344,8 +447,9 @@ + }; + + static const u_char * +-isakmp_attrmap_print(const u_char *p, const u_char *ep, +- const struct attrmap *map, size_t nmap) ++ikev1_attrmap_print(netdissect_options *ndo, ++ const u_char *p, const u_char *ep, ++ const struct attrmap *map, size_t nmap) + { + u_int16_t *q; + int totlen; +@@ -357,33 +461,33 @@ + else + totlen = 4 + EXTRACT_16BITS(&q[1]); + if (ep < p + totlen) { +- printf("[|attr]"); ++ ND_PRINT((ndo,"[|attr]")); + return ep + 1; + } + +- printf("("); ++ ND_PRINT((ndo,"(")); + t = EXTRACT_16BITS(&q[0]) & 0x7fff; + if (map && t < nmap && map[t].type) +- printf("type=%s ", map[t].type); ++ ND_PRINT((ndo,"type=%s ", map[t].type)); + else +- printf("type=#%d ", t); ++ ND_PRINT((ndo,"type=#%d ", t)); + if (p[0] & 0x80) { +- printf("value="); ++ ND_PRINT((ndo,"value=")); + v = EXTRACT_16BITS(&q[1]); + if (map && t < nmap && v < map[t].nvalue && map[t].value[v]) +- printf("%s", map[t].value[v]); ++ ND_PRINT((ndo,"%s", map[t].value[v])); + else +- rawprint((caddr_t)&q[1], 2); ++ rawprint(ndo, (caddr_t)&q[1], 2); + } else { +- printf("len=%d value=", EXTRACT_16BITS(&q[1])); +- rawprint((caddr_t)&p[4], EXTRACT_16BITS(&q[1])); ++ ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&q[1]))); ++ rawprint(ndo, (caddr_t)&p[4], EXTRACT_16BITS(&q[1])); + } +- printf(")"); ++ ND_PRINT((ndo,")")); + return p + totlen; + } + + static const u_char * +-isakmp_attr_print(const u_char *p, const u_char *ep) ++ikev1_attr_print(netdissect_options *ndo, const u_char *p, const u_char *ep) + { + u_int16_t *q; + int totlen; +@@ -395,129 +499,166 @@ + else + totlen = 4 + EXTRACT_16BITS(&q[1]); + if (ep < p + totlen) { +- printf("[|attr]"); ++ ND_PRINT((ndo,"[|attr]")); + return ep + 1; + } + +- printf("("); ++ ND_PRINT((ndo,"(")); + t = EXTRACT_16BITS(&q[0]) & 0x7fff; +- printf("type=#%d ", t); ++ ND_PRINT((ndo,"type=#%d ", t)); + if (p[0] & 0x80) { +- printf("value="); ++ ND_PRINT((ndo,"value=")); + t = q[1]; +- rawprint((caddr_t)&q[1], 2); ++ rawprint(ndo, (caddr_t)&q[1], 2); + } else { +- printf("len=%d value=", EXTRACT_16BITS(&q[1])); +- rawprint((caddr_t)&p[2], EXTRACT_16BITS(&q[1])); ++ ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&q[1]))); ++ rawprint(ndo, (caddr_t)&p[2], EXTRACT_16BITS(&q[1])); + } +- printf(")"); ++ ND_PRINT((ndo,")")); + return p + totlen; + } + + static const u_char * +-isakmp_sa_print(const struct isakmp_gen *ext, ++ikev1_sa_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, + u_int item_len _U_, + const u_char *ep, u_int32_t phase, u_int32_t doi0 _U_, + u_int32_t proto0, int depth) + { +- const struct isakmp_pl_sa *p; +- struct isakmp_pl_sa sa; ++ const struct ikev1_pl_sa *p; ++ struct ikev1_pl_sa sa; + const u_int32_t *q; + u_int32_t doi, sit, ident; + const u_char *cp, *np; + int t; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_SA)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SA))); + +- p = (struct isakmp_pl_sa *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_sa *)ext; ++ ND_TCHECK(*p); + safememcpy(&sa, ext, sizeof(sa)); + doi = ntohl(sa.doi); + sit = ntohl(sa.sit); + if (doi != 1) { +- printf(" doi=%d", doi); +- printf(" situation=%u", (u_int32_t)ntohl(sa.sit)); ++ ND_PRINT((ndo," doi=%d", doi)); ++ ND_PRINT((ndo," situation=%u", (u_int32_t)ntohl(sa.sit))); + return (u_char *)(p + 1); + } + +- printf(" doi=ipsec"); ++ ND_PRINT((ndo," doi=ipsec")); + q = (u_int32_t *)&sa.sit; +- printf(" situation="); ++ ND_PRINT((ndo," situation=")); + t = 0; + if (sit & 0x01) { +- printf("identity"); ++ ND_PRINT((ndo,"identity")); + t++; + } + if (sit & 0x02) { +- printf("%ssecrecy", t ? "+" : ""); ++ ND_PRINT((ndo,"%ssecrecy", t ? "+" : "")); + t++; + } + if (sit & 0x04) +- printf("%sintegrity", t ? "+" : ""); ++ ND_PRINT((ndo,"%sintegrity", t ? "+" : "")); + + np = (u_char *)ext + sizeof(sa); + if (sit != 0x01) { +- TCHECK2(*(ext + 1), sizeof(ident)); ++ ND_TCHECK2(*(ext + 1), sizeof(ident)); + safememcpy(&ident, ext + 1, sizeof(ident)); +- printf(" ident=%u", (u_int32_t)ntohl(ident)); ++ ND_PRINT((ndo," ident=%u", (u_int32_t)ntohl(ident))); + np += sizeof(ident); + } + + ext = (struct isakmp_gen *)np; +- TCHECK(*ext); ++ ND_TCHECK(*ext); + +- cp = isakmp_sub_print(ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0, ++ cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0, + depth); + + return cp; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_SA)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SA))); + return NULL; + } + + static const u_char * +-isakmp_p_print(const struct isakmp_gen *ext, u_int item_len _U_, ++ikev1_p_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, + const u_char *ep, u_int32_t phase, u_int32_t doi0, + u_int32_t proto0 _U_, int depth) + { +- const struct isakmp_pl_p *p; +- struct isakmp_pl_p prop; ++ const struct ikev1_pl_p *p; ++ struct ikev1_pl_p prop; + const u_char *cp; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_P)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_P))); + +- p = (struct isakmp_pl_p *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_p *)ext; ++ ND_TCHECK(*p); + safememcpy(&prop, ext, sizeof(prop)); +- printf(" #%d protoid=%s transform=%d", +- prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t); ++ ND_PRINT((ndo," #%d protoid=%s transform=%d", ++ prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t)); + if (prop.spi_size) { +- printf(" spi="); +- if (!rawprint((caddr_t)(p + 1), prop.spi_size)) ++ ND_PRINT((ndo," spi=")); ++ if (!rawprint(ndo, (caddr_t)(p + 1), prop.spi_size)) + goto trunc; + } + + ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size); +- TCHECK(*ext); +- +- cp = isakmp_sub_print(ISAKMP_NPTYPE_T, ext, ep, phase, doi0, +- prop.prot_id, depth); +- ++ ND_TCHECK(*ext); ++ ++ cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_T, ext, ep, phase, doi0, ++ prop.prot_id, depth); ++ + return cp; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_P)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P))); + return NULL; + } + +-static const char *isakmp_p_map[] = { ++static const char *ikev1_p_map[] = { + NULL, "ike", + }; + ++static const char *ikev2_t_type_map[]={ ++ NULL, "encr", "prf", "integ", "dh", "esn" ++}; ++ + static const char *ah_p_map[] = { + NULL, "(reserved)", "md5", "sha", "1des", + "sha2-256", "sha2-384", "sha2-512", + }; + ++static const char *prf_p_map[] = { ++ NULL, "hmac-md5", "hmac-sha", "hmac-tiger", ++ "aes128_xcbc" ++}; ++ ++static const char *integ_p_map[] = { ++ NULL, "hmac-md5", "hmac-sha", "dec-mac", ++ "kpdk-md5", "aes-xcbc" ++}; ++ ++static const char *esn_p_map[] = { ++ "no-esn", "esn" ++}; ++ ++static const char *dh_p_map[] = { ++ NULL, "modp768", ++ "modp1024", /* group 2 */ ++ "EC2N 2^155", /* group 3 */ ++ "EC2N 2^185", /* group 4 */ ++ "modp1536", /* group 5 */ ++ "iana-grp06", "iana-grp07", /* reserved */ ++ "iana-grp08", "iana-grp09", ++ "iana-grp10", "iana-grp11", ++ "iana-grp12", "iana-grp13", ++ "modp2048", /* group 14 */ ++ "modp3072", /* group 15 */ ++ "modp4096", /* group 16 */ ++ "modp6144", /* group 17 */ ++ "modp8192", /* group 18 */ ++}; ++ + static const char *esp_p_map[] = { + NULL, "1des-iv64", "1des", "3des", "rc5", "idea", "cast", + "blowfish", "3idea", "1des-iv32", "rc4", "null", "aes" +@@ -554,6 +695,17 @@ + { "privalg", 0, { NULL } }, + }; + ++const struct attrmap encr_t_map[] = { ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 0, 1 */ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 2, 3 */ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 4, 5 */ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 6, 7 */ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 8, 9 */ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 10,11*/ ++ { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 12,13*/ ++ { "keylen", 14, { NULL }}, ++}; ++ + const struct attrmap oakley_t_map[] = { + { NULL, 0, { NULL } }, + { "enc", 8, { NULL, "1des", "idea", "blowfish", "rc5", +@@ -592,27 +744,28 @@ + }; + + static const u_char * +-isakmp_t_print(const struct isakmp_gen *ext, u_int item_len, +- const u_char *ep, u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto, int depth _U_) ++ikev1_t_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len, ++ const u_char *ep, u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto, int depth _U_) + { +- const struct isakmp_pl_t *p; +- struct isakmp_pl_t t; ++ const struct ikev1_pl_t *p; ++ struct ikev1_pl_t t; + const u_char *cp; + const char *idstr; + const struct attrmap *map; + size_t nmap; + const u_char *ep2; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_T)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_T))); + +- p = (struct isakmp_pl_t *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_t *)ext; ++ ND_TCHECK(*p); + safememcpy(&t, ext, sizeof(t)); + + switch (proto) { + case 1: +- idstr = STR_OR_ID(t.t_id, isakmp_p_map); ++ idstr = STR_OR_ID(t.t_id, ikev1_p_map); + map = oakley_t_map; + nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]); + break; +@@ -639,57 +792,59 @@ + } + + if (idstr) +- printf(" #%d id=%s ", t.t_no, idstr); ++ ND_PRINT((ndo," #%d id=%s ", t.t_no, idstr)); + else +- printf(" #%d id=%d ", t.t_no, t.t_id); ++ ND_PRINT((ndo," #%d id=%d ", t.t_no, t.t_id)); + cp = (u_char *)(p + 1); + ep2 = (u_char *)p + item_len; + while (cp < ep && cp < ep2) { + if (map && nmap) { +- cp = isakmp_attrmap_print(cp, (ep < ep2) ? ep : ep2, ++ cp = ikev1_attrmap_print(ndo, cp, (ep < ep2) ? ep : ep2, + map, nmap); + } else +- cp = isakmp_attr_print(cp, (ep < ep2) ? ep : ep2); ++ cp = ikev1_attr_print(ndo, cp, (ep < ep2) ? ep : ep2); + } + if (ep < ep2) +- printf("..."); ++ ND_PRINT((ndo,"...")); + return cp; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_T)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_T))); + return NULL; + } + + static const u_char * +-isakmp_ke_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_ke_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + struct isakmp_gen e; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_KE)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_KE))); + +- TCHECK(*ext); ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); +- printf(" key len=%d", ntohs(e.len) - 4); +- if (2 < vflag && 4 < ntohs(e.len)) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ ND_PRINT((ndo," key len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) + goto trunc; + } + return (u_char *)ext + ntohs(e.len); + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_KE)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_KE))); + return NULL; + } + + static const u_char * +-isakmp_id_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_id_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + #define USE_IPSECDOI_IN_PHASE1 1 +- const struct isakmp_pl_id *p; +- struct isakmp_pl_id id; ++ const struct ikev1_pl_id *p; ++ struct ikev1_pl_id id; + static const char *idtypestr[] = { + "IPv4", "IPv4net", "IPv6", "IPv6net", + }; +@@ -701,10 +856,10 @@ + int len; + const u_char *data; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_ID)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_ID))); + +- p = (struct isakmp_pl_id *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_id *)ext; ++ ND_TCHECK(*p); + safememcpy(&id, ext, sizeof(id)); + if (sizeof(*p) < item_len) { + data = (u_char *)(p + 1); +@@ -715,16 +870,16 @@ + } + + #if 0 /*debug*/ +- printf(" [phase=%d doi=%d proto=%d]", phase, doi, proto); ++ ND_PRINT((ndo," [phase=%d doi=%d proto=%d]", phase, doi, proto)); + #endif + switch (phase) { + #ifndef USE_IPSECDOI_IN_PHASE1 + case 1: + #endif + default: +- printf(" idtype=%s", STR_OR_ID(id.d.id_type, idtypestr)); +- printf(" doi_data=%u", +- (u_int32_t)(ntohl(id.d.doi_data) & 0xffffff)); ++ ND_PRINT((ndo," idtype=%s", STR_OR_ID(id.d.id_type, idtypestr))); ++ ND_PRINT((ndo," doi_data=%u", ++ (u_int32_t)(ntohl(id.d.doi_data) & 0xffffff))); + break; + + #ifdef USE_IPSECDOI_IN_PHASE1 +@@ -737,42 +892,42 @@ + struct protoent *pe; + + p = (struct ipsecdoi_id *)ext; +- TCHECK(*p); ++ ND_TCHECK(*p); + safememcpy(&id, ext, sizeof(id)); +- printf(" idtype=%s", STR_OR_ID(id.type, ipsecidtypestr)); ++ ND_PRINT((ndo," idtype=%s", STR_OR_ID(id.type, ipsecidtypestr))); + if (id.proto_id) { + #ifndef WIN32 + setprotoent(1); + #endif /* WIN32 */ + pe = getprotobynumber(id.proto_id); + if (pe) +- printf(" protoid=%s", pe->p_name); ++ ND_PRINT((ndo," protoid=%s", pe->p_name)); + #ifndef WIN32 + endprotoent(); + #endif /* WIN32 */ + } else { + /* it DOES NOT mean IPPROTO_IP! */ +- printf(" protoid=%s", "0"); ++ ND_PRINT((ndo," protoid=%s", "0")); + } +- printf(" port=%d", ntohs(id.port)); ++ ND_PRINT((ndo," port=%d", ntohs(id.port))); + if (!len) + break; + if (data == NULL) + goto trunc; +- TCHECK2(*data, len); ++ ND_TCHECK2(*data, len); + switch (id.type) { + case IPSECDOI_ID_IPV4_ADDR: + if (len < 4) +- printf(" len=%d [bad: < 4]", len); ++ ND_PRINT((ndo," len=%d [bad: < 4]", len)); + else +- printf(" len=%d %s", len, ipaddr_string(data)); ++ ND_PRINT((ndo," len=%d %s", len, ipaddr_string(data))); + len = 0; + break; + case IPSECDOI_ID_FQDN: + case IPSECDOI_ID_USER_FQDN: + { + int i; +- printf(" len=%d ", len); ++ ND_PRINT((ndo," len=%d ", len)); + for (i = 0; i < len; i++) + safeputchar(data[i]); + len = 0; +@@ -782,12 +937,12 @@ + { + const u_char *mask; + if (len < 8) +- printf(" len=%d [bad: < 8]", len); ++ ND_PRINT((ndo," len=%d [bad: < 8]", len)); + else { + mask = data + sizeof(struct in_addr); +- printf(" len=%d %s/%u.%u.%u.%u", len, +- ipaddr_string(data), +- mask[0], mask[1], mask[2], mask[3]); ++ ND_PRINT((ndo," len=%d %s/%u.%u.%u.%u", len, ++ ipaddr_string(data), ++ mask[0], mask[1], mask[2], mask[3])); + } + len = 0; + break; +@@ -795,22 +950,22 @@ + #ifdef INET6 + case IPSECDOI_ID_IPV6_ADDR: + if (len < 16) +- printf(" len=%d [bad: < 16]", len); ++ ND_PRINT((ndo," len=%d [bad: < 16]", len)); + else +- printf(" len=%d %s", len, ip6addr_string(data)); ++ ND_PRINT((ndo," len=%d %s", len, ip6addr_string(data))); + len = 0; + break; + case IPSECDOI_ID_IPV6_ADDR_SUBNET: + { + const u_int32_t *mask; + if (len < 20) +- printf(" len=%d [bad: < 20]", len); ++ ND_PRINT((ndo," len=%d [bad: < 20]", len)); + else { + mask = (u_int32_t *)(data + sizeof(struct in6_addr)); + /*XXX*/ +- printf(" len=%d %s/0x%08x%08x%08x%08x", len, +- ip6addr_string(data), +- mask[0], mask[1], mask[2], mask[3]); ++ ND_PRINT((ndo," len=%d %s/0x%08x%08x%08x%08x", len, ++ ip6addr_string(data), ++ mask[0], mask[1], mask[2], mask[3])); + } + len = 0; + break; +@@ -818,22 +973,22 @@ + #endif /*INET6*/ + case IPSECDOI_ID_IPV4_ADDR_RANGE: + if (len < 8) +- printf(" len=%d [bad: < 8]", len); ++ ND_PRINT((ndo," len=%d [bad: < 8]", len)); + else { +- printf(" len=%d %s-%s", len, +- ipaddr_string(data), +- ipaddr_string(data + sizeof(struct in_addr))); ++ ND_PRINT((ndo," len=%d %s-%s", len, ++ ipaddr_string(data), ++ ipaddr_string(data + sizeof(struct in_addr)))); + } + len = 0; + break; + #ifdef INET6 + case IPSECDOI_ID_IPV6_ADDR_RANGE: + if (len < 32) +- printf(" len=%d [bad: < 32]", len); ++ ND_PRINT((ndo," len=%d [bad: < 32]", len)); + else { +- printf(" len=%d %s-%s", len, +- ip6addr_string(data), +- ip6addr_string(data + sizeof(struct in6_addr))); ++ ND_PRINT((ndo," len=%d %s-%s", len, ++ ip6addr_string(data), ++ ip6addr_string(data + sizeof(struct in6_addr)))); + } + len = 0; + break; +@@ -847,159 +1002,169 @@ + } + } + if (data && len) { +- printf(" len=%d", len); +- if (2 < vflag) { +- printf(" "); +- if (!rawprint((caddr_t)data, len)) ++ ND_PRINT((ndo," len=%d", len)); ++ if (2 < ndo->ndo_vflag) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)data, len)) + goto trunc; + } + } + return (u_char *)ext + item_len; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_ID)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_ID))); + return NULL; + } + + static const u_char * +-isakmp_cert_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, +- u_int32_t doi0 _U_, +- u_int32_t proto0 _U_, int depth _U_) ++ikev1_cert_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, ++ u_int32_t doi0 _U_, ++ u_int32_t proto0 _U_, int depth _U_) + { +- const struct isakmp_pl_cert *p; +- struct isakmp_pl_cert cert; ++ const struct ikev1_pl_cert *p; ++ struct ikev1_pl_cert cert; + static const char *certstr[] = { + "none", "pkcs7", "pgp", "dns", + "x509sign", "x509ke", "kerberos", "crl", + "arl", "spki", "x509attr", + }; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_CERT)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CERT))); + +- p = (struct isakmp_pl_cert *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_cert *)ext; ++ ND_TCHECK(*p); + safememcpy(&cert, ext, sizeof(cert)); +- printf(" len=%d", item_len - 4); +- printf(" type=%s", STR_OR_ID((cert.encode), certstr)); +- if (2 < vflag && 4 < item_len) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), item_len - 4)) ++ ND_PRINT((ndo," len=%d", item_len - 4)); ++ ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr))); ++ if (2 < ndo->ndo_vflag && 4 < item_len) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4)) + goto trunc; + } + return (u_char *)ext + item_len; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_CERT)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CERT))); + return NULL; + } + + static const u_char * +-isakmp_cr_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi0 _U_, +- u_int32_t proto0 _U_, int depth _U_) ++ikev1_cr_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi0 _U_, ++ u_int32_t proto0 _U_, int depth _U_) + { +- const struct isakmp_pl_cert *p; +- struct isakmp_pl_cert cert; ++ const struct ikev1_pl_cert *p; ++ struct ikev1_pl_cert cert; + static const char *certstr[] = { + "none", "pkcs7", "pgp", "dns", + "x509sign", "x509ke", "kerberos", "crl", + "arl", "spki", "x509attr", + }; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_CR)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CR))); + +- p = (struct isakmp_pl_cert *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_cert *)ext; ++ ND_TCHECK(*p); + safememcpy(&cert, ext, sizeof(cert)); +- printf(" len=%d", item_len - 4); +- printf(" type=%s", STR_OR_ID((cert.encode), certstr)); +- if (2 < vflag && 4 < item_len) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), item_len - 4)) ++ ND_PRINT((ndo," len=%d", item_len - 4)); ++ ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr))); ++ if (2 < ndo->ndo_vflag && 4 < item_len) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4)) + goto trunc; + } + return (u_char *)ext + item_len; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_CR)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CR))); + return NULL; + } + + static const u_char * +-isakmp_hash_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_hash_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + struct isakmp_gen e; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_HASH)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_HASH))); + +- TCHECK(*ext); ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); +- printf(" len=%d", ntohs(e.len) - 4); +- if (2 < vflag && 4 < ntohs(e.len)) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ ND_PRINT((ndo," len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) + goto trunc; + } + return (u_char *)ext + ntohs(e.len); + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_HASH)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_HASH))); + return NULL; + } + + static const u_char * +-isakmp_sig_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_sig_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + struct isakmp_gen e; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_SIG)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SIG))); + +- TCHECK(*ext); ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); +- printf(" len=%d", ntohs(e.len) - 4); +- if (2 < vflag && 4 < ntohs(e.len)) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ ND_PRINT((ndo," len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) + goto trunc; + } + return (u_char *)ext + ntohs(e.len); + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_SIG)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SIG))); + return NULL; + } + + static const u_char * +-isakmp_nonce_print(const struct isakmp_gen *ext, +- u_int item_len _U_, +- const u_char *ep _U_, +- u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_nonce_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, ++ const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + struct isakmp_gen e; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_NONCE)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_NONCE))); + +- TCHECK(*ext); ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); +- printf(" n len=%d", ntohs(e.len) - 4); +- if (2 < vflag && 4 < ntohs(e.len)) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ ND_PRINT((ndo," n len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ goto trunc; ++ } else if (1 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!ike_show_somedata(ndo, (u_char *)(caddr_t)(ext + 1), ep)) + goto trunc; + } + return (u_char *)ext + ntohs(e.len); + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE))); + return NULL; + } + + static const u_char * +-isakmp_n_print(const struct isakmp_gen *ext, u_int item_len, +- const u_char *ep, u_int32_t phase, u_int32_t doi0 _U_, +- u_int32_t proto0 _U_, int depth) ++ikev1_n_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len, ++ const u_char *ep, u_int32_t phase, u_int32_t doi0 _U_, ++ u_int32_t proto0 _U_, int depth) + { +- struct isakmp_pl_n *p, n; ++ struct ikev1_pl_n *p, n; + const u_char *cp; + u_char *ep2; + u_int32_t doi; +@@ -1050,47 +1215,47 @@ + #define IPSEC_NOTIFY_STATUS_STR(x) \ + STR_OR_ID((u_int)((x) - 24576), ipsec_notify_status_str) + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_N)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_N))); + +- p = (struct isakmp_pl_n *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_n *)ext; ++ ND_TCHECK(*p); + safememcpy(&n, ext, sizeof(n)); + doi = ntohl(n.doi); + proto = n.prot_id; + if (doi != 1) { +- printf(" doi=%d", doi); +- printf(" proto=%d", proto); ++ ND_PRINT((ndo," doi=%d", doi)); ++ ND_PRINT((ndo," proto=%d", proto)); + if (ntohs(n.type) < 8192) +- printf(" type=%s", NOTIFY_ERROR_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", NOTIFY_ERROR_STR(ntohs(n.type)))); + else if (ntohs(n.type) < 16384) +- printf(" type=%s", numstr(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", numstr(ntohs(n.type)))); + else if (ntohs(n.type) < 24576) +- printf(" type=%s", NOTIFY_STATUS_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", NOTIFY_STATUS_STR(ntohs(n.type)))); + else +- printf(" type=%s", numstr(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", numstr(ntohs(n.type)))); + if (n.spi_size) { +- printf(" spi="); +- if (!rawprint((caddr_t)(p + 1), n.spi_size)) ++ ND_PRINT((ndo," spi=")); ++ if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size)) + goto trunc; + } + return (u_char *)(p + 1) + n.spi_size; + } + +- printf(" doi=ipsec"); +- printf(" proto=%s", PROTOIDSTR(proto)); ++ ND_PRINT((ndo," doi=ipsec")); ++ ND_PRINT((ndo," proto=%s", PROTOIDSTR(proto))); + if (ntohs(n.type) < 8192) +- printf(" type=%s", NOTIFY_ERROR_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", NOTIFY_ERROR_STR(ntohs(n.type)))); + else if (ntohs(n.type) < 16384) +- printf(" type=%s", IPSEC_NOTIFY_ERROR_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", IPSEC_NOTIFY_ERROR_STR(ntohs(n.type)))); + else if (ntohs(n.type) < 24576) +- printf(" type=%s", NOTIFY_STATUS_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", NOTIFY_STATUS_STR(ntohs(n.type)))); + else if (ntohs(n.type) < 32768) +- printf(" type=%s", IPSEC_NOTIFY_STATUS_STR(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", IPSEC_NOTIFY_STATUS_STR(ntohs(n.type)))); + else +- printf(" type=%s", numstr(ntohs(n.type))); ++ ND_PRINT((ndo," type=%s", numstr(ntohs(n.type)))); + if (n.spi_size) { +- printf(" spi="); +- if (!rawprint((caddr_t)(p + 1), n.spi_size)) ++ ND_PRINT((ndo," spi=")); ++ if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size)) + goto trunc; + } + +@@ -1098,119 +1263,712 @@ + ep2 = (u_char *)p + item_len; + + if (cp < ep) { +- printf(" orig=("); ++ ND_PRINT((ndo," orig=(")); + switch (ntohs(n.type)) { + case IPSECDOI_NTYPE_RESPONDER_LIFETIME: + { + const struct attrmap *map = oakley_t_map; + size_t nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]); + while (cp < ep && cp < ep2) { +- cp = isakmp_attrmap_print(cp, ++ cp = ikev1_attrmap_print(ndo, cp, + (ep < ep2) ? ep : ep2, map, nmap); + } + break; + } + case IPSECDOI_NTYPE_REPLAY_STATUS: +- printf("replay detection %sabled", +- (*(u_int32_t *)cp) ? "en" : "dis"); ++ ND_PRINT((ndo,"replay detection %sabled", ++ (*(u_int32_t *)cp) ? "en" : "dis")); + break; + case ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN: +- if (isakmp_sub_print(ISAKMP_NPTYPE_SA, +- (struct isakmp_gen *)cp, ep, phase, doi, proto, +- depth) == NULL) ++ if (ikev1_sub_print(ndo, ISAKMP_NPTYPE_SA, ++ (struct isakmp_gen *)cp, ep, phase, doi, proto, ++ depth) == NULL) + return NULL; + break; + default: + /* NULL is dummy */ +- isakmp_print(gndo, cp, ++ isakmp_print(ndo, cp, + item_len - sizeof(*p) - n.spi_size, + NULL); + } +- printf(")"); ++ ND_PRINT((ndo,")")); + } + return (u_char *)ext + item_len; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_N)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N))); + return NULL; + } + + static const u_char * +-isakmp_d_print(const struct isakmp_gen *ext, u_int item_len _U_, +- const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi0 _U_, +- u_int32_t proto0 _U_, int depth _U_) ++ikev1_d_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep _U_, u_int32_t phase _U_, u_int32_t doi0 _U_, ++ u_int32_t proto0 _U_, int depth _U_) + { +- const struct isakmp_pl_d *p; +- struct isakmp_pl_d d; ++ const struct ikev1_pl_d *p; ++ struct ikev1_pl_d d; + const u_int8_t *q; + u_int32_t doi; + u_int32_t proto; + int i; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_D)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_D))); + +- p = (struct isakmp_pl_d *)ext; +- TCHECK(*p); ++ p = (struct ikev1_pl_d *)ext; ++ ND_TCHECK(*p); + safememcpy(&d, ext, sizeof(d)); + doi = ntohl(d.doi); + proto = d.prot_id; + if (doi != 1) { +- printf(" doi=%u", doi); +- printf(" proto=%u", proto); ++ ND_PRINT((ndo," doi=%u", doi)); ++ ND_PRINT((ndo," proto=%u", proto)); + } else { +- printf(" doi=ipsec"); +- printf(" proto=%s", PROTOIDSTR(proto)); ++ ND_PRINT((ndo," doi=ipsec")); ++ ND_PRINT((ndo," proto=%s", PROTOIDSTR(proto))); + } +- printf(" spilen=%u", d.spi_size); +- printf(" nspi=%u", ntohs(d.num_spi)); +- printf(" spi="); ++ ND_PRINT((ndo," spilen=%u", d.spi_size)); ++ ND_PRINT((ndo," nspi=%u", ntohs(d.num_spi))); ++ ND_PRINT((ndo," spi=")); + q = (u_int8_t *)(p + 1); + for (i = 0; i < ntohs(d.num_spi); i++) { + if (i != 0) +- printf(","); +- if (!rawprint((caddr_t)q, d.spi_size)) ++ ND_PRINT((ndo,",")); ++ if (!rawprint(ndo, (caddr_t)q, d.spi_size)) + goto trunc; + q += d.spi_size; + } + return q; + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_D)); ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_D))); + return NULL; + } + + static const u_char * +-isakmp_vid_print(const struct isakmp_gen *ext, +- u_int item_len _U_, const u_char *ep _U_, +- u_int32_t phase _U_, u_int32_t doi _U_, +- u_int32_t proto _U_, int depth _U_) ++ikev1_vid_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) + { + struct isakmp_gen e; + +- printf("%s:", NPSTR(ISAKMP_NPTYPE_VID)); ++ ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_VID))); ++ ++ ND_TCHECK(*ext); ++ safememcpy(&e, ext, sizeof(e)); ++ ND_PRINT((ndo," len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ goto trunc; ++ } ++ return (u_char *)ext + ntohs(e.len); ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_VID))); ++ return NULL; ++} ++ ++/************************************************************/ ++/* */ ++/* IKE v2 - rfc4306 - dissector */ ++/* */ ++/************************************************************/ ++ ++static void ++ikev2_pay_print(netdissect_options *ndo, const char *payname, int critical) ++{ ++ ND_PRINT((ndo,"%s%s:", payname, critical&0x80 ? "[C]" : "")); ++} ++ ++static const u_char * ++ikev2_gen_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext) ++{ ++ struct isakmp_gen e; ++ ++ ND_TCHECK(*ext); ++ safememcpy(&e, ext, sizeof(e)); ++ ikev2_pay_print(ndo, NPSTR(tpay), e.critical); ++ ++ ND_PRINT((ndo," len=%d", ntohs(e.len) - 4)); ++ if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ goto trunc; ++ } ++ return (u_char *)ext + ntohs(e.len); ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_t_print(netdissect_options *ndo, u_char tpay _U_, int pcount, ++ const struct isakmp_gen *ext, u_int item_len, ++ const u_char *ep, u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ const struct ikev2_t *p; ++ struct ikev2_t t; ++ u_int16_t t_id; ++ const u_char *cp; ++ const char *idstr; ++ const struct attrmap *map; ++ size_t nmap; ++ const u_char *ep2; ++ ++ p = (struct ikev2_t *)ext; ++ ND_TCHECK(*p); ++ safememcpy(&t, ext, sizeof(t)); ++ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_T), t.h.critical); ++ ++ t_id = ntohs(t.t_id); ++ ++ map = NULL; ++ nmap = 0; ++ ++ switch (t.t_type) { ++ case IV2_T_ENCR: ++ idstr = STR_OR_ID(t_id, esp_p_map); ++ map = encr_t_map; ++ nmap = sizeof(encr_t_map)/sizeof(encr_t_map[0]); ++ break; ++ ++ case IV2_T_PRF: ++ idstr = STR_OR_ID(t_id, prf_p_map); ++ break; ++ ++ case IV2_T_INTEG: ++ idstr = STR_OR_ID(t_id, integ_p_map); ++ break; ++ ++ case IV2_T_DH: ++ idstr = STR_OR_ID(t_id, dh_p_map); ++ break; ++ ++ case IV2_T_ESN: ++ idstr = STR_OR_ID(t_id, esn_p_map); ++ break; ++ ++ default: ++ idstr = NULL; ++ break; ++ } ++ ++ if (idstr) ++ ND_PRINT((ndo," #%u type=%s id=%s ", pcount, ++ STR_OR_ID(t.t_type, ikev2_t_type_map), ++ idstr)); ++ else ++ ND_PRINT((ndo," #%u type=%s id=%u ", pcount, ++ STR_OR_ID(t.t_type, ikev2_t_type_map), ++ t.t_id)); ++ cp = (u_char *)(p + 1); ++ ep2 = (u_char *)p + item_len; ++ while (cp < ep && cp < ep2) { ++ if (map && nmap) { ++ cp = ikev1_attrmap_print(ndo, cp, (ep < ep2) ? ep : ep2, ++ map, nmap); ++ } else ++ cp = ikev1_attr_print(ndo, cp, (ep < ep2) ? ep : ep2); ++ } ++ if (ep < ep2) ++ ND_PRINT((ndo,"...")); ++ return cp; ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_T))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_p_print(netdissect_options *ndo, u_char tpay _U_, int pcount _U_, ++ const struct isakmp_gen *ext, u_int item_len _U_, ++ const u_char *ep, u_int32_t phase, u_int32_t doi0, ++ u_int32_t proto0 _U_, int depth) ++{ ++ const struct ikev2_p *p; ++ struct ikev2_p prop; ++ const u_char *cp; ++ ++ p = (struct ikev2_p *)ext; ++ ND_TCHECK(*p); ++ safememcpy(&prop, ext, sizeof(prop)); ++ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_P), prop.h.critical); ++ ++ ND_PRINT((ndo," #%u protoid=%s transform=%d", ++ prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t)); ++ if (prop.spi_size) { ++ ND_PRINT((ndo," spi=")); ++ if (!rawprint(ndo, (caddr_t)(p + 1), prop.spi_size)) ++ goto trunc; ++ } ++ ++ ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size); ++ ND_TCHECK(*ext); ++ ++ cp = ikev2_sub_print(ndo, ISAKMP_NPTYPE_T, ext, ep, phase, doi0, ++ prop.prot_id, depth); ++ ++ return cp; ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_sa_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext1, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct isakmp_gen e; ++ int osa_len, sa_len; ++ ++ ND_TCHECK(*ext1); ++ safememcpy(&e, ext1, sizeof(e)); ++ ikev2_pay_print(ndo, "sa", e.critical); ++ ++ osa_len= ntohs(e.len); ++ sa_len = osa_len - 4; ++ ND_PRINT((ndo," len=%d", sa_len)); ++ ++ ikev2_sub_print(ndo, ISAKMP_NPTYPE_P, ++ ext1+1, ep, ++ 0, 0, 0, depth); ++ ++ return (u_char *)ext1 + osa_len; ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_ke_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct ikev2_ke ke; ++ struct ikev2_ke *k; ++ ++ k = (struct ikev2_ke *)ext; ++ ND_TCHECK(*ext); ++ safememcpy(&ke, ext, sizeof(ke)); ++ ikev2_pay_print(ndo, NPSTR(tpay), ke.h.critical); ++ ++ ND_PRINT((ndo," len=%u group=%s", ntohs(ke.h.len) - 8, ++ STR_OR_ID(ntohs(ke.ke_group), dh_p_map))); ++ ++ if (2 < ndo->ndo_vflag && 8 < ntohs(ke.h.len)) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(k + 1), ntohs(ke.h.len) - 8)) ++ goto trunc; ++ } ++ return (u_char *)ext + ntohs(ke.h.len); ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_ID_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_cert_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_cr_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_auth_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct ikev2_auth e; ++ const char *v2_auth[]={ "invalid", "rsasig", ++ "shared-secret", "dsssig" }; ++ ++ ND_TCHECK(*ext); ++ safememcpy(&e, ext, sizeof(e)); ++ ikev2_pay_print(ndo, NPSTR(tpay), e.h.critical); ++ ++ ND_PRINT((ndo," len=%d method=%s", ntohs(e.h.len) - 4, ++ STR_OR_ID(e.auth_method, v2_auth))); ++ ++ if (1 < ndo->ndo_vflag && 4 < ntohs(e.h.len)) { ++ ND_PRINT((ndo," authdata=(")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.h.len) - 4)) ++ goto trunc; ++ ND_PRINT((ndo,") ")); ++ } else if(ndo->ndo_vflag && 4 < ntohs(e.h.len)) { ++ if(!ike_show_somedata(ndo, (const u_char *)(ext+1), ep)) goto trunc; ++ } ++ ++ return (u_char *)ext + ntohs(e.h.len); ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_nonce_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct isakmp_gen e; ++ ++ ND_TCHECK(*ext); ++ safememcpy(&e, ext, sizeof(e)); ++ ikev2_pay_print(ndo, "nonce", e.critical); ++ ++ ND_PRINT((ndo," len=%d", ntohs(e.len) - 4)); ++ if (1 < ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ ND_PRINT((ndo," nonce=(")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ goto trunc; ++ ND_PRINT((ndo,") ")); ++ } else if(ndo->ndo_vflag && 4 < ntohs(e.len)) { ++ if(!ike_show_somedata(ndo, (const u_char *)(ext+1), ep)) goto trunc; ++ } ++ ++ return (u_char *)ext + ntohs(e.len); ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); ++ return NULL; ++} ++ ++/* notify payloads */ ++static const u_char * ++ikev2_n_print(netdissect_options *ndo, u_char tpay _U_, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct ikev2_n *p, n; ++ const u_char *cp; ++ u_char *ep2; ++ u_char showspi, showdata, showsomedata; ++ const char *notify_name; ++ u_int32_t type; ++ ++ p = (struct ikev2_n *)ext; ++ ND_TCHECK(*p); ++ safememcpy(&n, ext, sizeof(n)); ++ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_N), n.h.critical); ++ ++ showspi = 1; ++ showdata = 0; ++ showsomedata=0; ++ notify_name=NULL; ++ ++ ND_PRINT((ndo," prot_id=%s", PROTOIDSTR(n.prot_id))); ++ ++ type = ntohs(n.type); ++ ++ /* notify space is annoying sparse */ ++ switch(type) { ++ case IV2_NOTIFY_UNSUPPORTED_CRITICAL_PAYLOAD: ++ notify_name = "unsupported_critical_payload"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_INVALID_IKE_SPI: ++ notify_name = "invalid_ike_spi"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_INVALID_MAJOR_VERSION: ++ notify_name = "invalid_major_version"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_INVALID_SYNTAX: ++ notify_name = "invalid_syntax"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_INVALID_MESSAGE_ID: ++ notify_name = "invalid_message_id"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_INVALID_SPI: ++ notify_name = "invalid_spi"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_NO_PROPOSAL_CHOSEN: ++ notify_name = "no_protocol_chosen"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_INVALID_KE_PAYLOAD: ++ notify_name = "invalid_ke_payload"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_AUTHENTICATION_FAILED: ++ notify_name = "authentication_failed"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_SINGLE_PAIR_REQUIRED: ++ notify_name = "single_pair_required"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_NO_ADDITIONAL_SAS: ++ notify_name = "no_additional_sas"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_INTERNAL_ADDRESS_FAILURE: ++ notify_name = "internal_address_failure"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_FAILED_CP_REQUIRED: ++ notify_name = "failed:cp_required"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_INVALID_SELECTORS: ++ notify_name = "invalid_selectors"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_INITIAL_CONTACT: ++ notify_name = "initial_contact"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_SET_WINDOW_SIZE: ++ notify_name = "set_window_size"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_ADDITIONAL_TS_POSSIBLE: ++ notify_name = "additional_ts_possible"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_IPCOMP_SUPPORTED: ++ notify_name = "ipcomp_supported"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_NAT_DETECTION_SOURCE_IP: ++ notify_name = "nat_detection_source_ip"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_NAT_DETECTION_DESTINATION_IP: ++ notify_name = "nat_detection_destination_ip"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_COOKIE: ++ notify_name = "cookie"; ++ showspi = 1; ++ showsomedata= 1; ++ showdata= 0; ++ break; ++ ++ case IV2_NOTIFY_USE_TRANSPORT_MODE: ++ notify_name = "use_transport_mode"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_HTTP_CERT_LOOKUP_SUPPORTED: ++ notify_name = "http_cert_lookup_supported"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_REKEY_SA: ++ notify_name = "rekey_sa"; ++ showspi = 1; ++ break; ++ ++ case IV2_NOTIFY_ESP_TFC_PADDING_NOT_SUPPORTED: ++ notify_name = "tfc_padding_not_supported"; ++ showspi = 0; ++ break; ++ ++ case IV2_NOTIFY_NON_FIRST_FRAGMENTS_ALSO: ++ notify_name = "non_first_fragment_also"; ++ showspi = 0; ++ break; ++ ++ default: ++ if (type < 8192) { ++ notify_name="error"; ++ } else if(type < 16384) { ++ notify_name="private-error"; ++ } else if(type < 40960) { ++ notify_name="status"; ++ } else { ++ notify_name="private-status"; ++ } ++ } ++ ++ if(notify_name) { ++ ND_PRINT((ndo," type=%u(%s)", type, notify_name)); ++ } ++ ++ ++ if (showspi && n.spi_size) { ++ ND_PRINT((ndo," spi=")); ++ if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size)) ++ goto trunc; ++ } ++ ++ cp = (u_char *)(p + 1) + n.spi_size; ++ ep2 = (u_char *)p + item_len; ++ ++ if(3 < ndo->ndo_vflag) { ++ showdata = 1; ++ } + +- TCHECK(*ext); ++ if ((showdata || (showsomedata && ep-cp < 30)) && cp < ep) { ++ ND_PRINT((ndo," data=(")); ++ if (!rawprint(ndo, (caddr_t)(cp), ep - cp)) ++ goto trunc; ++ ++ ND_PRINT((ndo,")")); ++ ++ } else if(showsomedata && cp < ep) { ++ if(!ike_show_somedata(ndo, cp, ep)) goto trunc; ++ } ++ ++ return (u_char *)ext + item_len; ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N))); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_d_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_vid_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ struct isakmp_gen e; ++ const u_char *vid; ++ int i, len; ++ ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); +- printf(" len=%d", ntohs(e.len) - 4); +- if (2 < vflag && 4 < ntohs(e.len)) { +- printf(" "); +- if (!rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4)) ++ ikev2_pay_print(ndo, NPSTR(tpay), e.critical); ++ ND_PRINT((ndo," len=%d vid=", ntohs(e.len) - 4)); ++ ++ vid = (const u_char *)(ext+1); ++ len = ntohs(e.len) - 4; ++ ND_TCHECK2(*vid, len); ++ for(i=0; indo_vflag && 4 < len) { ++ ND_PRINT((ndo," ")); ++ if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4)) + goto trunc; + } + return (u_char *)ext + ntohs(e.len); + trunc: +- printf(" [|%s]", NPSTR(ISAKMP_NPTYPE_VID)); ++ ND_PRINT((ndo," [|%s]", NPSTR(tpay))); + return NULL; + } + + static const u_char * +-isakmp_sub0_print(u_char np, const struct isakmp_gen *ext, const u_char *ep, +- u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) ++ikev2_TS_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_e_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_cp_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ikev2_eap_print(netdissect_options *ndo, u_char tpay, ++ const struct isakmp_gen *ext, ++ u_int item_len _U_, const u_char *ep _U_, ++ u_int32_t phase _U_, u_int32_t doi _U_, ++ u_int32_t proto _U_, int depth _U_) ++{ ++ return ikev2_gen_print(ndo, tpay, ext); ++} ++ ++static const u_char * ++ike_sub0_print(netdissect_options *ndo, ++ u_char np, const struct isakmp_gen *ext, const u_char *ep, ++ u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) + { + const u_char *cp; + struct isakmp_gen e; + u_int item_len; + + cp = (u_char *)ext; +- TCHECK(*ext); ++ ND_TCHECK(*ext); + safememcpy(&e, ext, sizeof(e)); + + /* +@@ -1228,21 +1986,22 @@ + * XXX - what if item_len is too short, or too long, + * for this payload type? + */ +- cp = (*npfunc[np])(ext, item_len, ep, phase, doi, proto, depth); ++ cp = (*npfunc[np])(ndo, np, ext, item_len, ep, phase, doi, proto, depth); + } else { +- printf("%s", NPSTR(np)); ++ ND_PRINT((ndo,"%s", NPSTR(np))); + cp += item_len; + } + + return cp; + trunc: +- printf(" [|isakmp]"); ++ ND_PRINT((ndo," [|isakmp]")); + return NULL; + } + + static const u_char * +-isakmp_sub_print(u_char np, const struct isakmp_gen *ext, const u_char *ep, +- u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) ++ikev1_sub_print(netdissect_options *ndo, ++ u_char np, const struct isakmp_gen *ext, const u_char *ep, ++ u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) + { + const u_char *cp; + int i; +@@ -1251,19 +2010,19 @@ + cp = (const u_char *)ext; + + while (np) { +- TCHECK(*ext); ++ ND_TCHECK(*ext); + + safememcpy(&e, ext, sizeof(e)); + +- TCHECK2(*ext, ntohs(e.len)); ++ ND_TCHECK2(*ext, ntohs(e.len)); + + depth++; +- printf("\n"); ++ ND_PRINT((ndo,"\n")); + for (i = 0; i < depth; i++) +- printf(" "); +- printf("("); +- cp = isakmp_sub0_print(np, ext, ep, phase, doi, proto, depth); +- printf(")"); ++ ND_PRINT((ndo," ")); ++ ND_PRINT((ndo,"(")); ++ cp = ike_sub0_print(ndo, np, ext, ep, phase, doi, proto, depth); ++ ND_PRINT((ndo,")")); + depth--; + + if (cp == NULL) { +@@ -1276,7 +2035,7 @@ + } + return cp; + trunc: +- printf(" [|%s]", NPSTR(np)); ++ ND_PRINT((ndo," [|%s]", NPSTR(np))); + return NULL; + } + +@@ -1300,120 +2059,287 @@ + } + + void +-isakmp_print(netdissect_options *ndo, +- const u_char *bp, u_int length, +- const u_char *bp2) ++ikev1_print(netdissect_options *ndo, ++ const u_char *bp, u_int length, ++ const u_char *bp2, struct isakmp *base) + { + const struct isakmp *p; +- struct isakmp base; + const u_char *ep; + u_char np; + int i; + int phase; +- int major, minor; +- ++ + p = (const struct isakmp *)bp; + ep = ndo->ndo_snapend; +- +- if ((struct isakmp *)ep < p + 1) { +- printf("[|isakmp]"); +- return; +- } +- +- safememcpy(&base, p, sizeof(base)); +- +- printf("isakmp"); +- if (vflag) { +- major = (base.vers & ISAKMP_VERS_MAJOR) +- >> ISAKMP_VERS_MAJOR_SHIFT; +- minor = (base.vers & ISAKMP_VERS_MINOR) +- >> ISAKMP_VERS_MINOR_SHIFT; +- printf(" %d.%d", major, minor); +- } +- +- if (vflag) { +- printf(" msgid "); +- rawprint((caddr_t)&base.msgid, sizeof(base.msgid)); +- } +- +- if (1 < vflag) { +- printf(" cookie "); +- rawprint((caddr_t)&base.i_ck, sizeof(base.i_ck)); +- printf("->"); +- rawprint((caddr_t)&base.r_ck, sizeof(base.r_ck)); +- } +- printf(":"); +- +- phase = (*(u_int32_t *)base.msgid == 0) ? 1 : 2; ++ ++ phase = (*(u_int32_t *)base->msgid == 0) ? 1 : 2; + if (phase == 1) +- printf(" phase %d", phase); ++ ND_PRINT((ndo," phase %d", phase)); + else +- printf(" phase %d/others", phase); +- +- i = cookie_find(&base.i_ck); ++ ND_PRINT((ndo," phase %d/others", phase)); ++ ++ i = cookie_find(&base->i_ck); + if (i < 0) { +- if (iszero((u_char *)&base.r_ck, sizeof(base.r_ck))) { ++ if (iszero((u_char *)&base->r_ck, sizeof(base->r_ck))) { + /* the first packet */ +- printf(" I"); ++ ND_PRINT((ndo," I")); + if (bp2) +- cookie_record(&base.i_ck, bp2); ++ cookie_record(&base->i_ck, bp2); + } else +- printf(" ?"); ++ ND_PRINT((ndo," ?")); + } else { + if (bp2 && cookie_isinitiator(i, bp2)) +- printf(" I"); ++ ND_PRINT((ndo," I")); + else if (bp2 && cookie_isresponder(i, bp2)) +- printf(" R"); ++ ND_PRINT((ndo," R")); + else +- printf(" ?"); ++ ND_PRINT((ndo," ?")); + } +- +- printf(" %s", ETYPESTR(base.etype)); +- if (base.flags) { +- printf("[%s%s]", base.flags & ISAKMP_FLAG_E ? "E" : "", +- base.flags & ISAKMP_FLAG_C ? "C" : ""); ++ ++ ND_PRINT((ndo," %s", ETYPESTR(base->etype))); ++ if (base->flags) { ++ ND_PRINT((ndo,"[%s%s]", base->flags & ISAKMP_FLAG_E ? "E" : "", ++ base->flags & ISAKMP_FLAG_C ? "C" : "")); + } +- +- if (vflag) { ++ ++ if (ndo->ndo_vflag) { + const struct isakmp_gen *ext; + int nparen; ++ ++ ND_PRINT((ndo,":")); ++ ++ /* regardless of phase... */ ++ if (base->flags & ISAKMP_FLAG_E) { ++ /* ++ * encrypted, nothing we can do right now. ++ * we hope to decrypt the packet in the future... ++ */ ++ ND_PRINT((ndo," [encrypted %s]", NPSTR(base->np))); ++ goto done; ++ } ++ ++ nparen = 0; ++ CHECKLEN(p + 1, base->np); ++ np = base->np; ++ ext = (struct isakmp_gen *)(p + 1); ++ ikev1_sub_print(ndo, np, ext, ep, phase, 0, 0, 0); ++ } ++ ++done: ++ if (ndo->ndo_vflag) { ++ if (ntohl(base->len) != length) { ++ ND_PRINT((ndo," (len mismatch: isakmp %u/ip %u)", ++ (u_int32_t)ntohl(base->len), length)); ++ } ++ } ++} + +-#define CHECKLEN(p, np) \ +- if (ep < (u_char *)(p)) { \ +- printf(" [|%s]", NPSTR(np)); \ +- goto done; \ ++static const u_char * ++ikev2_sub0_print(netdissect_options *ndo, u_char np, int pcount, ++ const struct isakmp_gen *ext, const u_char *ep, ++ u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) ++{ ++ const u_char *cp; ++ struct isakmp_gen e; ++ u_int item_len; ++ ++ cp = (u_char *)ext; ++ ND_TCHECK(*ext); ++ safememcpy(&e, ext, sizeof(e)); ++ ++ /* ++ * Since we can't have a payload length of less than 4 bytes, ++ * we need to bail out here if the generic header is nonsensical ++ * or truncated, otherwise we could loop forever processing ++ * zero-length items or otherwise misdissect the packet. ++ */ ++ item_len = ntohs(e.len); ++ if (item_len <= 4) ++ return NULL; ++ ++ if(np == ISAKMP_NPTYPE_P) { ++ cp = ikev2_p_print(ndo, np, pcount, ext, item_len, ++ ep, phase, doi, proto, depth); ++ } else if(np == ISAKMP_NPTYPE_T) { ++ cp = ikev2_t_print(ndo, np, pcount, ext, item_len, ++ ep, phase, doi, proto, depth); ++ } else if (NPFUNC(np)) { ++ /* ++ * XXX - what if item_len is too short, or too long, ++ * for this payload type? ++ */ ++ cp = (*npfunc[np])(ndo, np, /*pcount,*/ ext, item_len, ++ ep, phase, doi, proto, depth); ++ } else { ++ ND_PRINT((ndo,"%s", NPSTR(np))); ++ cp += item_len; ++ } ++ ++ return cp; ++trunc: ++ ND_PRINT((ndo," [|isakmp]")); ++ return NULL; ++} ++ ++static const u_char * ++ikev2_sub_print(netdissect_options *ndo, ++ u_char np, const struct isakmp_gen *ext, const u_char *ep, ++ u_int32_t phase, u_int32_t doi, u_int32_t proto, int depth) ++{ ++ const u_char *cp; ++ int i; ++ int pcount; ++ struct isakmp_gen e; ++ ++ cp = (const u_char *)ext; ++ pcount = 0; ++ while (np) { ++ pcount++; ++ ND_TCHECK(*ext); ++ ++ safememcpy(&e, ext, sizeof(e)); ++ ++ ND_TCHECK2(*ext, ntohs(e.len)); ++ ++ depth++; ++ ND_PRINT((ndo,"\n")); ++ for (i = 0; i < depth; i++) ++ ND_PRINT((ndo," ")); ++ ND_PRINT((ndo,"(")); ++ cp = ikev2_sub0_print(ndo, np, pcount, ++ ext, ep, phase, doi, proto, depth); ++ ND_PRINT((ndo,")")); ++ depth--; ++ ++ if (cp == NULL) { ++ /* Zero-length subitem */ ++ return NULL; + } + +- printf(":"); ++ np = e.np; ++ ext = (struct isakmp_gen *)cp; ++ } ++ return cp; ++trunc: ++ ND_PRINT((ndo," [|%s]", NPSTR(np))); ++ return NULL; ++} ++ ++static void ++ikev2_print(netdissect_options *ndo, ++ const u_char *bp, u_int length, ++ const u_char *bp2 _U_, struct isakmp *base) ++{ ++ const struct isakmp *p; ++ const u_char *ep; ++ u_char np; ++ int phase; ++ ++ p = (const struct isakmp *)bp; ++ ep = ndo->ndo_snapend; ++ ++ phase = (*(u_int32_t *)base->msgid == 0) ? 1 : 2; ++ if (phase == 1) ++ ND_PRINT((ndo, " parent_sa")); ++ else ++ ND_PRINT((ndo, " child_sa ")); ++ ++ ND_PRINT((ndo, " %s", ETYPESTR(base->etype))); ++ if (base->flags) { ++ ND_PRINT((ndo, "[%s%s]", ++ base->flags & ISAKMP_FLAG_I ? "I" : "", ++ base->flags & ISAKMP_FLAG_V ? "V" : "", ++ base->flags & ISAKMP_FLAG_R ? "R" : "")); ++ } ++ ++ if (ndo->ndo_vflag) { ++ const struct isakmp_gen *ext; ++ int nparen; ++ ++ ND_PRINT((ndo, ":")); + + /* regardless of phase... */ +- if (base.flags & ISAKMP_FLAG_E) { ++ if (base->flags & ISAKMP_FLAG_E) { + /* + * encrypted, nothing we can do right now. + * we hope to decrypt the packet in the future... + */ +- printf(" [encrypted %s]", NPSTR(base.np)); ++ ND_PRINT((ndo, " [encrypted %s]", NPSTR(base->np))); + goto done; + } + + nparen = 0; +- CHECKLEN(p + 1, base.np) ++ CHECKLEN(p + 1, base->np) + +- np = base.np; ++ np = base->np; + ext = (struct isakmp_gen *)(p + 1); +- isakmp_sub_print(np, ext, ep, phase, 0, 0, 0); ++ ikev2_sub_print(ndo, np, ext, ep, phase, 0, 0, 0); + } + + done: +- if (vflag) { +- if (ntohl(base.len) != length) { +- printf(" (len mismatch: isakmp %u/ip %u)", +- (u_int32_t)ntohl(base.len), length); ++ if (ndo->ndo_vflag) { ++ if (ntohl(base->len) != length) { ++ ND_PRINT((ndo, " (len mismatch: isakmp %u/ip %u)", ++ (u_int32_t)ntohl(base->len), length)); + } + } + } + + void ++isakmp_print(netdissect_options *ndo, ++ const u_char *bp, u_int length, ++ const u_char *bp2) ++{ ++ const struct isakmp *p; ++ struct isakmp base; ++ const u_char *ep; ++ int major, minor; ++ ++ p = (const struct isakmp *)bp; ++ ep = ndo->ndo_snapend; ++ ++ if ((struct isakmp *)ep < p + 1) { ++ ND_PRINT((ndo,"[|isakmp]")); ++ return; ++ } ++ ++ safememcpy(&base, p, sizeof(base)); ++ ++ ND_PRINT((ndo,"isakmp")); ++ major = (base.vers & ISAKMP_VERS_MAJOR) ++ >> ISAKMP_VERS_MAJOR_SHIFT; ++ minor = (base.vers & ISAKMP_VERS_MINOR) ++ >> ISAKMP_VERS_MINOR_SHIFT; ++ ++ if (ndo->ndo_vflag) { ++ ND_PRINT((ndo," %d.%d", major, minor)); ++ } ++ ++ if (ndo->ndo_vflag) { ++ ND_PRINT((ndo," msgid ")); ++ rawprint(ndo, (caddr_t)&base.msgid, sizeof(base.msgid)); ++ } ++ ++ if (1 < ndo->ndo_vflag) { ++ ND_PRINT((ndo," cookie ")); ++ rawprint(ndo, (caddr_t)&base.i_ck, sizeof(base.i_ck)); ++ ND_PRINT((ndo,"->")); ++ rawprint(ndo, (caddr_t)&base.r_ck, sizeof(base.r_ck)); ++ } ++ ND_PRINT((ndo,":")); ++ ++ switch(major) { ++ case IKEv1_MAJOR_VERSION: ++ ikev1_print(ndo, bp, length, bp2, &base); ++ break; ++ ++ case IKEv2_MAJOR_VERSION: ++ ikev2_print(ndo, bp, length, bp2, &base); ++ break; ++ } ++} ++ ++void + isakmp_rfc3948_print(netdissect_options *ndo, + const u_char *bp, u_int length, + const u_char *bp2) +@@ -1429,7 +2355,7 @@ + if(length < 4) { + goto trunc; + } +- ++ + /* + * see if this is an IKE packet + */ +@@ -1459,7 +2385,7 @@ + } + + trunc: +- printf("[|isakmp]"); ++ ND_PRINT((ndo,"[|isakmp]")); + return; + } + diff --git a/tcpdump.spec b/tcpdump.spec index 885c194..f27e066 100644 --- a/tcpdump.spec +++ b/tcpdump.spec @@ -2,7 +2,7 @@ Summary: A network traffic monitoring tool Name: tcpdump Epoch: 14 Version: 3.9.7 -Release: 4%{?dist} +Release: 5%{?dist} License: BSD with advertising URL: http://www.tcpdump.org Group: Applications/Internet @@ -15,6 +15,7 @@ Source1: ftp://ftp.ee.lbl.gov/tcpslice-1.2a3.tar.gz Patch1: tcpdump-3.9.7-droproot.patch Patch2: tcpdump-3.6.1-portnumbers.patch Patch3: tcpdump-3.9.7-crypto.patch +Patch4: tcpdump-3.9.7-ikev2.patch Patch5: tcpslice-1.2a3-time.patch Patch6: tcpslice-CVS.20010207-bpf.patch @@ -34,6 +35,7 @@ Install tcpdump if you need a program to monitor network traffic. %patch1 -p1 -b .droproot %patch2 -p1 -b .portnumbers %patch3 -p1 -b .crypto +%patch4 -p1 -b .ikev2 pushd %{tcpslice_dir} %patch5 -p1 -b .time @@ -89,6 +91,9 @@ exit 0 %{_mandir}/man8/tcpdump.8* %changelog +* Tue Sep 18 2007 Miroslav Lichvar - 14:3.9.7-5 +- support decoding IKEv2 packets + * Wed Aug 22 2007 Miroslav Lichvar - 14:3.9.7-4 - rebuild