*
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-isakmp.c,v 1.61 2008-02-05 19:34:25 guy Exp $ (LBL)";
-#endif
+/* \summary: Internet Security Association and Key Management Protocol (ISAKMP) printer */
+
+/* specification: RFC 2407, RFC 2408, RFC 5996 */
-#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
/* The functions from print-esp.c used in this file are only defined when both
#undef HAVE_LIBCRYPTO
#endif
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
#include <string.h>
-#include <stdio.h>
-
-#include "isakmp.h"
-#include "ipsec_doi.h"
-#include "oakley.h"
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
-#include "extract.h" /* must come after interface.h */
+#include "extract.h"
#include "ip.h"
-#ifdef INET6
#include "ip6.h"
-#endif
+#include "ipproto.h"
+
+typedef nd_byte cookie_t[8];
+typedef nd_byte msgid_t[4];
+
+#define PORT_ISAKMP 500
+
+/* 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 !
+ ! Cookie !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! Responder !
+ ! Cookie !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! Next Payload ! MjVer ! MnVer ! Exchange Type ! Flags !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! Message ID !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! Length !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+struct isakmp {
+ cookie_t i_ck; /* Initiator Cookie */
+ cookie_t r_ck; /* Responder Cookie */
+ nd_uint8_t np; /* Next Payload Type */
+ nd_uint8_t vers;
+#define ISAKMP_VERS_MAJOR 0xf0
+#define ISAKMP_VERS_MAJOR_SHIFT 4
+#define ISAKMP_VERS_MINOR 0x0f
+#define ISAKMP_VERS_MINOR_SHIFT 0
+ nd_uint8_t etype; /* Exchange Type */
+ nd_uint8_t flags; /* Flags */
+ msgid_t msgid;
+ nd_uint32_t len; /* Length */
+};
+
+/* Next Payload Type */
+#define ISAKMP_NPTYPE_NONE 0 /* NONE*/
+#define ISAKMP_NPTYPE_SA 1 /* Security Association */
+#define ISAKMP_NPTYPE_P 2 /* Proposal */
+#define ISAKMP_NPTYPE_T 3 /* Transform */
+#define ISAKMP_NPTYPE_KE 4 /* Key Exchange */
+#define ISAKMP_NPTYPE_ID 5 /* Identification */
+#define ISAKMP_NPTYPE_CERT 6 /* Certificate */
+#define ISAKMP_NPTYPE_CR 7 /* Certificate Request */
+#define ISAKMP_NPTYPE_HASH 8 /* Hash */
+#define ISAKMP_NPTYPE_SIG 9 /* Signature */
+#define ISAKMP_NPTYPE_NONCE 10 /* Nonce */
+#define ISAKMP_NPTYPE_N 11 /* Notification */
+#define ISAKMP_NPTYPE_D 12 /* Delete */
+#define ISAKMP_NPTYPE_VID 13 /* Vendor ID */
+#define ISAKMP_NPTYPE_v2E 46 /* v2 Encrypted payload */
+
+#define IKEv1_MAJOR_VERSION 1
+#define IKEv1_MINOR_VERSION 0
+
+#define IKEv2_MAJOR_VERSION 2
+#define IKEv2_MINOR_VERSION 0
+
+/* 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! Next Payload ! RESERVED ! Payload Length !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+struct isakmp_gen {
+ nd_uint8_t np; /* Next Payload */
+ nd_uint8_t critical; /* bit 7 - critical, rest is RESERVED */
+ nd_uint16_t len; /* Payload Length */
+};
+
+/* 3.3 Data Attributes
+ 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
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ !A! Attribute Type ! AF=0 Attribute Length !
+ !F! ! AF=1 Attribute Value !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ . AF=0 Attribute Value .
+ . AF=1 Not Transmitted .
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+struct isakmp_data {
+ nd_uint16_t type; /* defined by DOI-spec, and Attribute Format */
+ nd_uint16_t lorv; /* if f equal 1, Attribute Length */
+ /* if f equal 0, Attribute Value */
+ /* if f equal 1, Attribute Value */
+};
+
+/* 3.4 Security Association Payload */
+ /* MAY NOT be used, because of being defined in ipsec-doi. */
+ /*
+ If the current payload is the last in the message,
+ then the value of the next payload field will be 0.
+ This field MUST NOT contain the
+ values for the Proposal or Transform payloads as they are considered
+ part of the security association negotiation. For example, this
+ field would contain the value "10" (Nonce payload) in the first
+ 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 ikev1_pl_sa {
+ struct isakmp_gen h;
+ nd_uint32_t doi; /* Domain of Interpretation */
+ nd_uint32_t sit; /* Situation */
+};
+
+/* 3.5 Proposal Payload */
+ /*
+ The value of the next payload field MUST only contain the value "2"
+ or "0". If there are additional Proposal payloads in the message,
+ then this field will be 2. If the current Proposal payload is the
+ last within the security association proposal, then this field will
+ be 0.
+ */
+struct ikev1_pl_p {
+ struct isakmp_gen h;
+ nd_uint8_t p_no; /* Proposal # */
+ nd_uint8_t prot_id; /* Protocol */
+ nd_uint8_t spi_size; /* SPI Size */
+ nd_uint8_t num_t; /* Number of Transforms */
+ /* SPI */
+};
+
+/* 3.6 Transform Payload */
+ /*
+ The value of the next payload field MUST only contain the value "3"
+ or "0". If there are additional Transform payloads in the proposal,
+ then this field will be 3. If the current Transform payload is the
+ last within the proposal, then this field will be 0.
+ */
+struct ikev1_pl_t {
+ struct isakmp_gen h;
+ nd_uint8_t t_no; /* Transform # */
+ nd_uint8_t t_id; /* Transform-Id */
+ nd_byte reserved[2]; /* RESERVED2 */
+ /* SA Attributes */
+};
+
+/* 3.7 Key Exchange Payload */
+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 ikev1_pl_id {
+ struct isakmp_gen h;
+ union {
+ nd_uint8_t id_type; /* ID Type */
+ nd_uint32_t doi_data; /* DOI Specific ID Data */
+ } d;
+ /* Identification Data */
+};
+
+/* 3.9 Certificate Payload */
+struct ikev1_pl_cert {
+ struct isakmp_gen h;
+ nd_uint8_t encode; /* Cert Encoding */
+ nd_uint8_t cert; /* Certificate Data */
+ /*
+ This field indicates the type of
+ certificate or certificate-related information contained in the
+ Certificate Data field.
+ */
+};
+
+/* 3.10 Certificate Request Payload */
+struct ikev1_pl_cr {
+ struct isakmp_gen h;
+ nd_uint8_t num_cert; /* # Cert. Types */
+ /*
+ Certificate Types (variable length)
+ -- Contains a list of the types of certificates requested,
+ sorted in order of preference. Each individual certificate
+ type is 1 octet. This field is NOT requiredo
+ */
+ /* # Certificate Authorities (1 octet) */
+ /* Certificate Authorities (variable length) */
+};
+
+/* 3.11 Hash Payload */
+ /* may not be used, because of having only data. */
+struct ikev1_pl_hash {
+ struct isakmp_gen h;
+ /* Hash Data */
+};
+
+/* 3.12 Signature Payload */
+ /* may not be used, because of having only data. */
+struct ikev1_pl_sig {
+ struct isakmp_gen h;
+ /* Signature Data */
+};
+
+/* 3.13 Nonce Payload */
+ /* may not be used, because of having only data. */
+struct ikev1_pl_nonce {
+ struct isakmp_gen h;
+ /* Nonce Data */
+};
+
+/* 3.14 Notification Payload */
+struct ikev1_pl_n {
+ struct isakmp_gen h;
+ nd_uint32_t doi; /* Domain of Interpretation */
+ nd_uint8_t prot_id; /* Protocol-ID */
+ nd_uint8_t spi_size; /* SPI Size */
+ nd_uint16_t type; /* Notify Message Type */
+ /* SPI */
+ /* Notification Data */
+};
+
+/* 3.14.1 Notify Message Types */
+/* NOTIFY MESSAGES - ERROR TYPES */
+#define ISAKMP_NTYPE_INVALID_PAYLOAD_TYPE 1
+#define ISAKMP_NTYPE_DOI_NOT_SUPPORTED 2
+#define ISAKMP_NTYPE_SITUATION_NOT_SUPPORTED 3
+#define ISAKMP_NTYPE_INVALID_COOKIE 4
+#define ISAKMP_NTYPE_INVALID_MAJOR_VERSION 5
+#define ISAKMP_NTYPE_INVALID_MINOR_VERSION 6
+#define ISAKMP_NTYPE_INVALID_EXCHANGE_TYPE 7
+#define ISAKMP_NTYPE_INVALID_FLAGS 8
+#define ISAKMP_NTYPE_INVALID_MESSAGE_ID 9
+#define ISAKMP_NTYPE_INVALID_PROTOCOL_ID 10
+#define ISAKMP_NTYPE_INVALID_SPI 11
+#define ISAKMP_NTYPE_INVALID_TRANSFORM_ID 12
+#define ISAKMP_NTYPE_ATTRIBUTES_NOT_SUPPORTED 13
+#define ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN 14
+#define ISAKMP_NTYPE_BAD_PROPOSAL_SYNTAX 15
+#define ISAKMP_NTYPE_PAYLOAD_MALFORMED 16
+#define ISAKMP_NTYPE_INVALID_KEY_INFORMATION 17
+#define ISAKMP_NTYPE_INVALID_ID_INFORMATION 18
+#define ISAKMP_NTYPE_INVALID_CERT_ENCODING 19
+#define ISAKMP_NTYPE_INVALID_CERTIFICATE 20
+#define ISAKMP_NTYPE_BAD_CERT_REQUEST_SYNTAX 21
+#define ISAKMP_NTYPE_INVALID_CERT_AUTHORITY 22
+#define ISAKMP_NTYPE_INVALID_HASH_INFORMATION 23
+#define ISAKMP_NTYPE_AUTHENTICATION_FAILED 24
+#define ISAKMP_NTYPE_INVALID_SIGNATURE 25
+#define ISAKMP_NTYPE_ADDRESS_NOTIFICATION 26
+
+/* 3.15 Delete Payload */
+struct ikev1_pl_d {
+ struct isakmp_gen h;
+ nd_uint32_t doi; /* Domain of Interpretation */
+ nd_uint8_t prot_id; /* Protocol-Id */
+ nd_uint8_t spi_size; /* SPI Size */
+ nd_uint16_t num_spi; /* # of SPIs */
+ /* SPI(es) */
+};
+
+/* IKEv2 (RFC4306) */
-#ifndef HAVE_SOCKADDR_STORAGE
-#define sockaddr_storage sockaddr
+/* 3.3 Security Association Payload -- generic header */
+/* 3.3.1. Proposal Substructure */
+struct ikev2_p {
+ struct isakmp_gen h;
+ nd_uint8_t p_no; /* Proposal # */
+ nd_uint8_t prot_id; /* Protocol */
+ nd_uint8_t spi_size; /* SPI Size */
+ nd_uint8_t num_t; /* Number of Transforms */
+};
+
+/* 3.3.2. Transform Substructure */
+struct ikev2_t {
+ struct isakmp_gen h;
+ nd_uint8_t t_type; /* Transform Type (ENCR,PRF,INTEG,etc.*/
+ nd_byte res2; /* reserved byte */
+ nd_uint16_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;
+ nd_uint16_t ke_group;
+ nd_uint16_t ke_res1;
+ /* KE data */
+};
+
+
+/* 3.5. Identification Payloads */
+enum ikev2_id_type {
+ ID_IPV4_ADDR=1,
+ ID_FQDN=2,
+ ID_RFC822_ADDR=3,
+ ID_IPV6_ADDR=5,
+ ID_DER_ASN1_DN=9,
+ ID_DER_ASN1_GN=10,
+ ID_KEY_ID=11
+};
+struct ikev2_id {
+ struct isakmp_gen h;
+ nd_uint8_t type; /* ID type */
+ nd_byte res1;
+ nd_byte res2[2];
+ /* SPI */
+ /* Notification Data */
+};
+
+/* 3.10 Notification Payload */
+struct ikev2_n {
+ struct isakmp_gen h;
+ nd_uint8_t prot_id; /* Protocol-ID */
+ nd_uint8_t spi_size; /* SPI Size */
+ nd_uint16_t type; /* Notify Message Type */
+};
+
+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 {
+ uint16_t type;
+ char *msg;
+};
+
+/* 3.8 Authentication Payload */
+struct ikev2_auth {
+ struct isakmp_gen h;
+ nd_uint8_t auth_method; /* Protocol-ID */
+ nd_byte reserved[3];
+ /* authentication data */
+};
+
+enum ikev2_auth_type {
+ IV2_RSA_SIG = 1,
+ IV2_SHARED = 2,
+ IV2_DSS_SIG = 3
+};
+
+/* refer to RFC 2409 */
+
+#if 0
+/* isakmp sa structure */
+struct oakley_sa {
+ uint8_t proto_id; /* OAKLEY */
+ vchar_t *spi; /* spi */
+ uint8_t dhgrp; /* DH; group */
+ uint8_t auth_t; /* method of authentication */
+ uint8_t prf_t; /* type of prf */
+ uint8_t hash_t; /* type of hash */
+ uint8_t enc_t; /* type of cipher */
+ uint8_t life_t; /* type of duration of lifetime */
+ uint32_t ldur; /* life duration */
+};
#endif
+/* refer to RFC 2407 */
+
+#define IPSEC_DOI 1
+
+/* 4.2 IPSEC Situation Definition */
+#define IPSECDOI_SIT_IDENTITY_ONLY 0x00000001
+#define IPSECDOI_SIT_SECRECY 0x00000002
+#define IPSECDOI_SIT_INTEGRITY 0x00000004
+
+/* 4.4.1 IPSEC Security Protocol Identifiers */
+ /* 4.4.2 IPSEC ISAKMP Transform Values */
+#define IPSECDOI_PROTO_ISAKMP 1
+#define IPSECDOI_KEY_IKE 1
+
+/* 4.4.1 IPSEC Security Protocol Identifiers */
+#define IPSECDOI_PROTO_IPSEC_AH 2
+ /* 4.4.3 IPSEC AH Transform Values */
+#define IPSECDOI_AH_MD5 2
+#define IPSECDOI_AH_SHA 3
+#define IPSECDOI_AH_DES 4
+#define IPSECDOI_AH_SHA2_256 5
+#define IPSECDOI_AH_SHA2_384 6
+#define IPSECDOI_AH_SHA2_512 7
+
+/* 4.4.1 IPSEC Security Protocol Identifiers */
+#define IPSECDOI_PROTO_IPSEC_ESP 3
+ /* 4.4.4 IPSEC ESP Transform Identifiers */
+#define IPSECDOI_ESP_DES_IV64 1
+#define IPSECDOI_ESP_DES 2
+#define IPSECDOI_ESP_3DES 3
+#define IPSECDOI_ESP_RC5 4
+#define IPSECDOI_ESP_IDEA 5
+#define IPSECDOI_ESP_CAST 6
+#define IPSECDOI_ESP_BLOWFISH 7
+#define IPSECDOI_ESP_3IDEA 8
+#define IPSECDOI_ESP_DES_IV32 9
+#define IPSECDOI_ESP_RC4 10
+#define IPSECDOI_ESP_NULL 11
+#define IPSECDOI_ESP_RIJNDAEL 12
+#define IPSECDOI_ESP_AES 12
+
+/* 4.4.1 IPSEC Security Protocol Identifiers */
+#define IPSECDOI_PROTO_IPCOMP 4
+ /* 4.4.5 IPSEC IPCOMP Transform Identifiers */
+#define IPSECDOI_IPCOMP_OUI 1
+#define IPSECDOI_IPCOMP_DEFLATE 2
+#define IPSECDOI_IPCOMP_LZS 3
+
+/* 4.5 IPSEC Security Association Attributes */
+#define IPSECDOI_ATTR_SA_LTYPE 1 /* B */
+#define IPSECDOI_ATTR_SA_LTYPE_DEFAULT 1
+#define IPSECDOI_ATTR_SA_LTYPE_SEC 1
+#define IPSECDOI_ATTR_SA_LTYPE_KB 2
+#define IPSECDOI_ATTR_SA_LDUR 2 /* V */
+#define IPSECDOI_ATTR_SA_LDUR_DEFAULT 28800 /* 8 hours */
+#define IPSECDOI_ATTR_GRP_DESC 3 /* B */
+#define IPSECDOI_ATTR_ENC_MODE 4 /* B */
+ /* default value: host dependent */
+#define IPSECDOI_ATTR_ENC_MODE_TUNNEL 1
+#define IPSECDOI_ATTR_ENC_MODE_TRNS 2
+#define IPSECDOI_ATTR_AUTH 5 /* B */
+ /* 0 means not to use authentication. */
+#define IPSECDOI_ATTR_AUTH_HMAC_MD5 1
+#define IPSECDOI_ATTR_AUTH_HMAC_SHA1 2
+#define IPSECDOI_ATTR_AUTH_DES_MAC 3
+#define IPSECDOI_ATTR_AUTH_KPDK 4 /*RFC-1826(Key/Pad/Data/Key)*/
+ /*
+ * When negotiating ESP without authentication, the Auth
+ * Algorithm attribute MUST NOT be included in the proposal.
+ * When negotiating ESP without confidentiality, the Auth
+ * Algorithm attribute MUST be included in the proposal and
+ * the ESP transform ID must be ESP_NULL.
+ */
+#define IPSECDOI_ATTR_KEY_LENGTH 6 /* B */
+#define IPSECDOI_ATTR_KEY_ROUNDS 7 /* B */
+#define IPSECDOI_ATTR_COMP_DICT_SIZE 8 /* B */
+#define IPSECDOI_ATTR_COMP_PRIVALG 9 /* V */
+
+/* 4.6.1 Security Association Payload */
+struct ipsecdoi_sa {
+ struct isakmp_gen h;
+ nd_uint32_t doi; /* Domain of Interpretation */
+ nd_uint32_t sit; /* Situation */
+};
+
+struct ipsecdoi_secrecy_h {
+ nd_uint16_t len;
+ nd_uint16_t reserved;
+};
+
+/* 4.6.2.1 Identification Type Values */
+struct ipsecdoi_id {
+ struct isakmp_gen h;
+ nd_uint8_t type; /* ID Type */
+ nd_uint8_t proto_id; /* Protocol ID */
+ nd_uint16_t port; /* Port */
+ /* Identification Data */
+};
+
+#define IPSECDOI_ID_IPV4_ADDR 1
+#define IPSECDOI_ID_FQDN 2
+#define IPSECDOI_ID_USER_FQDN 3
+#define IPSECDOI_ID_IPV4_ADDR_SUBNET 4
+#define IPSECDOI_ID_IPV6_ADDR 5
+#define IPSECDOI_ID_IPV6_ADDR_SUBNET 6
+#define IPSECDOI_ID_IPV4_ADDR_RANGE 7
+#define IPSECDOI_ID_IPV6_ADDR_RANGE 8
+#define IPSECDOI_ID_DER_ASN1_DN 9
+#define IPSECDOI_ID_DER_ASN1_GN 10
+#define IPSECDOI_ID_KEY_ID 11
+
+/* 4.6.3 IPSEC DOI Notify Message Types */
+/* Notify Messages - Status Types */
+#define IPSECDOI_NTYPE_RESPONDER_LIFETIME 24576
+#define IPSECDOI_NTYPE_REPLAY_STATUS 24577
+#define IPSECDOI_NTYPE_INITIAL_CONTACT 24578
+
#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)
+ uint32_t phase,\
+ uint32_t doi0, \
+ uint32_t proto0, int depth)
DECLARE_PRINTER(v1_sa);
DECLARE_PRINTER(v1_p);
DECLARE_PRINTER(v2_eap);
static const u_char *ikev2_e_print(netdissect_options *ndo,
- struct isakmp *base,
+ const struct isakmp *base,
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);
+ u_int item_len,
+ const u_char *end_pointer,
+ uint32_t phase,
+ uint32_t doi0,
+ uint32_t proto0, int depth);
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);
+ const u_char *, uint32_t, uint32_t, uint32_t, int);
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);
+ const u_char *, uint32_t, uint32_t, uint32_t, int);
static const u_char *ikev2_sub_print(netdissect_options *ndo,
- struct isakmp *base,
+ const struct isakmp *base,
u_char np, const struct isakmp_gen *ext,
- const u_char *ep, u_int32_t phase,
- u_int32_t doi, u_int32_t proto,
+ const u_char *ep, uint32_t phase,
+ uint32_t doi, uint32_t proto,
int depth);
-static char *numstr(int);
-static void safememcpy(void *, const void *, size_t);
+static char *numstr(u_int);
static void
ikev1_print(netdissect_options *ndo,
const u_char *bp, u_int length,
- const u_char *bp2, struct isakmp *base);
+ const u_char *bp2, const struct isakmp *base);
#define MAXINITIATORS 20
-int ninitiator = 0;
-struct {
+static int ninitiator = 0;
+union inaddr_u {
+ struct in_addr in4;
+ struct in6_addr in6;
+};
+static struct {
cookie_t initiator;
- struct sockaddr_storage iaddr;
- struct sockaddr_storage raddr;
+ u_int version;
+ union inaddr_u iaddr;
+ union inaddr_u raddr;
} cookiecache[MAXINITIATORS];
/* protocol id */
"v2cr", "v2auth","v2nonce", "v2n", "v2d", /* 38- 42 */
"v2vid", "v2TSi", "v2TSr", "v2e", "v2cp", /* 43- 47 */
"v2eap", /* 48 */
-
+
};
/* isakmp->np */
-static const u_char *(*npfunc[])(netdissect_options *ndo, u_char tpay,
+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) = {
+ uint32_t phase,
+ uint32_t doi0,
+ uint32_t proto0, int depth) = {
NULL,
ikev1_sa_print,
ikev1_p_print,
#define ETYPESTR(x) STR_OR_ID(x, etypestr)
#define CHECKLEN(p, np) \
- if (ep < (u_char *)(p)) { \
- ND_PRINT((ndo," [|%s]", NPSTR(np))); \
+ if (ep < (const u_char *)(p)) { \
+ ND_PRINT(" [|%s]", NPSTR(np)); \
goto done; \
}
-
+
#define NPFUNC(x) \
(((x) < sizeof(npfunc)/sizeof(npfunc[0]) && npfunc[(x)]) \
? npfunc[(x)] : NULL)
static int
-iszero(u_char *p, size_t l)
+iszero(const u_char *p, size_t l)
{
- while (l--) {
- if (*p++)
+ while (l != 0) {
+ if (*p)
return 0;
+ p++;
+ l--;
}
return 1;
}
/* find cookie from initiator cache */
static int
-cookie_find(cookie_t *in)
+cookie_find(const cookie_t *in)
{
int i;
/* record initiator */
static void
-cookie_record(cookie_t *in, const u_char *bp2)
+cookie_record(netdissect_options *ndo, const cookie_t *in, const u_char *bp2)
{
int i;
- struct ip *ip;
- struct sockaddr_in *sin;
-#ifdef INET6
- struct ip6_hdr *ip6;
- struct sockaddr_in6 *sin6;
-#endif
+ const struct ip *ip;
+ const struct ip6_hdr *ip6;
i = cookie_find(in);
if (0 <= i) {
return;
}
- ip = (struct ip *)bp2;
+ ip = (const struct ip *)bp2;
switch (IP_V(ip)) {
case 4:
- memset(&cookiecache[ninitiator].iaddr, 0,
- sizeof(cookiecache[ninitiator].iaddr));
- memset(&cookiecache[ninitiator].raddr, 0,
- sizeof(cookiecache[ninitiator].raddr));
-
- sin = (struct sockaddr_in *)&cookiecache[ninitiator].iaddr;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin->sin_len = sizeof(struct sockaddr_in);
-#endif
- sin->sin_family = AF_INET;
- memcpy(&sin->sin_addr, &ip->ip_src, sizeof(ip->ip_src));
- sin = (struct sockaddr_in *)&cookiecache[ninitiator].raddr;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin->sin_len = sizeof(struct sockaddr_in);
-#endif
- sin->sin_family = AF_INET;
- memcpy(&sin->sin_addr, &ip->ip_dst, sizeof(ip->ip_dst));
+ cookiecache[ninitiator].version = 4;
+ UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in4,
+ ip->ip_src, sizeof(nd_ipv4));
+ UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in4,
+ ip->ip_dst, sizeof(nd_ipv4));
break;
-#ifdef INET6
case 6:
- memset(&cookiecache[ninitiator].iaddr, 0,
- sizeof(cookiecache[ninitiator].iaddr));
- memset(&cookiecache[ninitiator].raddr, 0,
- sizeof(cookiecache[ninitiator].raddr));
-
- ip6 = (struct ip6_hdr *)bp2;
- sin6 = (struct sockaddr_in6 *)&cookiecache[ninitiator].iaddr;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin6->sin6_len = sizeof(struct sockaddr_in6);
-#endif
- sin6->sin6_family = AF_INET6;
- memcpy(&sin6->sin6_addr, &ip6->ip6_src, sizeof(ip6->ip6_src));
- sin6 = (struct sockaddr_in6 *)&cookiecache[ninitiator].raddr;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin6->sin6_len = sizeof(struct sockaddr_in6);
-#endif
- sin6->sin6_family = AF_INET6;
- memcpy(&sin6->sin6_addr, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
+ ip6 = (const struct ip6_hdr *)bp2;
+ cookiecache[ninitiator].version = 6;
+ UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in6,
+ ip6->ip6_src, sizeof(nd_ipv6));
+ UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in6,
+ ip6->ip6_dst, sizeof(nd_ipv6));
break;
-#endif
default:
return;
}
- memcpy(&cookiecache[ninitiator].initiator, in, sizeof(*in));
+ UNALIGNED_MEMCPY(&cookiecache[ninitiator].initiator, in, sizeof(*in));
ninitiator = (ninitiator + 1) % MAXINITIATORS;
}
-#define cookie_isinitiator(x, y) cookie_sidecheck((x), (y), 1)
-#define cookie_isresponder(x, y) cookie_sidecheck((x), (y), 0)
+#define cookie_isinitiator(ndo, x, y) cookie_sidecheck(ndo, (x), (y), 1)
+#define cookie_isresponder(ndo, x, y) cookie_sidecheck(ndo, (x), (y), 0)
static int
-cookie_sidecheck(int i, const u_char *bp2, int initiator)
+cookie_sidecheck(netdissect_options *ndo, int i, const u_char *bp2, int initiator)
{
- struct sockaddr_storage ss;
- struct sockaddr *sa;
- struct ip *ip;
- struct sockaddr_in *sin;
-#ifdef INET6
- struct ip6_hdr *ip6;
- struct sockaddr_in6 *sin6;
-#endif
- int salen;
+ const struct ip *ip;
+ const struct ip6_hdr *ip6;
- memset(&ss, 0, sizeof(ss));
- ip = (struct ip *)bp2;
+ ip = (const struct ip *)bp2;
switch (IP_V(ip)) {
case 4:
- sin = (struct sockaddr_in *)&ss;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin->sin_len = sizeof(struct sockaddr_in);
-#endif
- sin->sin_family = AF_INET;
- memcpy(&sin->sin_addr, &ip->ip_src, sizeof(ip->ip_src));
+ if (cookiecache[i].version != 4)
+ return 0;
+ if (initiator) {
+ if (UNALIGNED_MEMCMP(ip->ip_src, &cookiecache[i].iaddr.in4, sizeof(nd_ipv4)) == 0)
+ return 1;
+ } else {
+ if (UNALIGNED_MEMCMP(ip->ip_src, &cookiecache[i].raddr.in4, sizeof(nd_ipv4)) == 0)
+ return 1;
+ }
break;
-#ifdef INET6
case 6:
- ip6 = (struct ip6_hdr *)bp2;
- sin6 = (struct sockaddr_in6 *)&ss;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sin6->sin6_len = sizeof(struct sockaddr_in6);
-#endif
- sin6->sin6_family = AF_INET6;
- memcpy(&sin6->sin6_addr, &ip6->ip6_src, sizeof(ip6->ip6_src));
+ if (cookiecache[i].version != 6)
+ return 0;
+ ip6 = (const struct ip6_hdr *)bp2;
+ if (initiator) {
+ if (UNALIGNED_MEMCMP(ip6->ip6_src, &cookiecache[i].iaddr.in6, sizeof(nd_ipv6)) == 0)
+ return 1;
+ } else {
+ if (UNALIGNED_MEMCMP(ip6->ip6_src, &cookiecache[i].raddr.in6, sizeof(nd_ipv6)) == 0)
+ return 1;
+ }
break;
-#endif
default:
- return 0;
+ break;
}
- sa = (struct sockaddr *)&ss;
- if (initiator) {
- if (sa->sa_family != ((struct sockaddr *)&cookiecache[i].iaddr)->sa_family)
- return 0;
-#ifdef HAVE_SOCKADDR_SA_LEN
- salen = sa->sa_len;
-#else
-#ifdef INET6
- if (sa->sa_family == AF_INET6)
- salen = sizeof(struct sockaddr_in6);
- else
- salen = sizeof(struct sockaddr);
-#else
- salen = sizeof(struct sockaddr);
-#endif
-#endif
- if (memcmp(&ss, &cookiecache[i].iaddr, salen) == 0)
- return 1;
- } else {
- if (sa->sa_family != ((struct sockaddr *)&cookiecache[i].raddr)->sa_family)
- return 0;
-#ifdef HAVE_SOCKADDR_SA_LEN
- salen = sa->sa_len;
-#else
-#ifdef INET6
- if (sa->sa_family == AF_INET6)
- salen = sizeof(struct sockaddr_in6);
- else
- salen = sizeof(struct sockaddr);
-#else
- salen = sizeof(struct sockaddr);
-#endif
-#endif
- if (memcmp(&ss, &cookiecache[i].raddr, salen) == 0)
- return 1;
- }
return 0;
}
static void
-hexprint(netdissect_options *ndo, caddr_t loc, size_t len)
+hexprint(netdissect_options *ndo, const uint8_t *loc, size_t len)
{
- u_char *p;
+ const uint8_t *p;
size_t i;
- p = (u_char *)loc;
+ p = loc;
for (i = 0; i < len; i++)
- ND_PRINT((ndo,"%02x", p[i] & 0xff));
+ ND_PRINT("%02x", p[i] & 0xff);
}
static int
-rawprint(netdissect_options *ndo, caddr_t loc, size_t len)
+rawprint(netdissect_options *ndo, const uint8_t *loc, size_t len)
{
- ND_TCHECK2(*loc, len);
+ ND_TCHECK_LEN(loc, len);
hexprint(ndo, loc, len);
return 1;
/*
* returns false if we run out of data buffer
*/
-static int ike_show_somedata(struct netdissect_options *ndo,
+static int ike_show_somedata(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;
+ size_t elen = 20;
+ size_t 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, "..."));
+
+ ND_PRINT(" data=(");
+ if(!rawprint(ndo, (const uint8_t *)(cp), len)) goto trunc;
+ ND_PRINT("...");
if(elen) {
- if(!rawprint(ndo, (caddr_t)(end), elen)) goto trunc;
+ if(!rawprint(ndo, (const uint8_t *)(end), elen)) goto trunc;
}
- ND_PRINT((ndo,")"));
+ ND_PRINT(")");
return 1;
trunc:
static const u_char *
ikev1_attrmap_print(netdissect_options *ndo,
- const u_char *p, const u_char *ep,
+ const u_char *p, const u_char *ep2,
const struct attrmap *map, size_t nmap)
{
- u_int16_t *q;
- int totlen;
- u_int32_t t, v;
+ u_int totlen;
+ uint32_t t, v;
- q = (u_int16_t *)p;
- if (p[0] & 0x80)
+ ND_TCHECK_1(p);
+ if (EXTRACT_U_1(p) & 0x80)
totlen = 4;
- else
- totlen = 4 + EXTRACT_16BITS(&q[1]);
- if (ep < p + totlen) {
- ND_PRINT((ndo,"[|attr]"));
- return ep + 1;
+ else {
+ ND_TCHECK_2(p + 2);
+ totlen = 4 + EXTRACT_BE_U_2(p + 2);
+ }
+ if (ep2 < p + totlen) {
+ ND_PRINT("[|attr]");
+ return ep2 + 1;
}
- ND_PRINT((ndo,"("));
- t = EXTRACT_16BITS(&q[0]) & 0x7fff;
+ ND_TCHECK_2(p);
+ ND_PRINT("(");
+ t = EXTRACT_BE_U_2(p) & 0x7fff;
if (map && t < nmap && map[t].type)
- ND_PRINT((ndo,"type=%s ", map[t].type));
+ ND_PRINT("type=%s ", map[t].type);
else
- ND_PRINT((ndo,"type=#%d ", t));
- if (p[0] & 0x80) {
- ND_PRINT((ndo,"value="));
- v = EXTRACT_16BITS(&q[1]);
+ ND_PRINT("type=#%u ", t);
+ if (EXTRACT_U_1(p) & 0x80) {
+ ND_PRINT("value=");
+ ND_TCHECK_2(p + 2);
+ v = EXTRACT_BE_U_2(p + 2);
if (map && t < nmap && v < map[t].nvalue && map[t].value[v])
- ND_PRINT((ndo,"%s", map[t].value[v]));
- else
- rawprint(ndo, (caddr_t)&q[1], 2);
+ ND_PRINT("%s", map[t].value[v]);
+ else {
+ if (!rawprint(ndo, (const uint8_t *)(p + 2), 2)) {
+ ND_PRINT(")");
+ goto trunc;
+ }
+ }
} else {
- ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&q[1])));
- rawprint(ndo, (caddr_t)&p[4], EXTRACT_16BITS(&q[1]));
+ ND_PRINT("len=%u value=", totlen - 4);
+ if (!rawprint(ndo, (const uint8_t *)(p + 4), totlen - 4)) {
+ ND_PRINT(")");
+ goto trunc;
+ }
}
- ND_PRINT((ndo,")"));
+ ND_PRINT(")");
return p + totlen;
+
+trunc:
+ return NULL;
}
static const u_char *
-ikev1_attr_print(netdissect_options *ndo, const u_char *p, const u_char *ep)
+ikev1_attr_print(netdissect_options *ndo, const u_char *p, const u_char *ep2)
{
- u_int16_t *q;
- int totlen;
- u_int32_t t;
+ u_int totlen;
+ uint32_t t;
- q = (u_int16_t *)p;
- if (p[0] & 0x80)
+ ND_TCHECK_1(p);
+ if (EXTRACT_U_1(p) & 0x80)
totlen = 4;
- else
- totlen = 4 + EXTRACT_16BITS(&q[1]);
- if (ep < p + totlen) {
- ND_PRINT((ndo,"[|attr]"));
- return ep + 1;
- }
-
- ND_PRINT((ndo,"("));
- t = EXTRACT_16BITS(&q[0]) & 0x7fff;
- ND_PRINT((ndo,"type=#%d ", t));
- if (p[0] & 0x80) {
- ND_PRINT((ndo,"value="));
- t = q[1];
- rawprint(ndo, (caddr_t)&q[1], 2);
+ else {
+ ND_TCHECK_2(p + 2);
+ totlen = 4 + EXTRACT_BE_U_2(p + 2);
+ }
+ if (ep2 < p + totlen) {
+ ND_PRINT("[|attr]");
+ return ep2 + 1;
+ }
+
+ ND_TCHECK_2(p);
+ ND_PRINT("(");
+ t = EXTRACT_BE_U_2(p) & 0x7fff;
+ ND_PRINT("type=#%u ", t);
+ if (EXTRACT_U_1(p) & 0x80) {
+ ND_PRINT("value=");
+ t = EXTRACT_U_1(p + 2);
+ if (!rawprint(ndo, (const uint8_t *)(p + 2), 2)) {
+ ND_PRINT(")");
+ goto trunc;
+ }
} else {
- ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&q[1])));
- rawprint(ndo, (caddr_t)&p[2], EXTRACT_16BITS(&q[1]));
+ ND_PRINT("len=%u value=", totlen - 4);
+ if (!rawprint(ndo, (const uint8_t *)(p + 4), totlen - 4)) {
+ ND_PRINT(")");
+ goto trunc;
+ }
}
- ND_PRINT((ndo,")"));
+ ND_PRINT(")");
return p + totlen;
+
+trunc:
+ return NULL;
}
static const u_char *
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 u_char *ep, uint32_t phase, uint32_t doi0 _U_,
+ uint32_t proto0, int depth)
{
const struct ikev1_pl_sa *p;
- struct ikev1_pl_sa sa;
- const u_int32_t *q;
- u_int32_t doi, sit, ident;
+ uint32_t doi, sit, ident;
const u_char *cp, *np;
int t;
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SA)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_SA));
- p = (struct ikev1_pl_sa *)ext;
- ND_TCHECK(*p);
- safememcpy(&sa, ext, sizeof(sa));
- doi = ntohl(sa.doi);
- sit = ntohl(sa.sit);
+ p = (const struct ikev1_pl_sa *)ext;
+ ND_TCHECK_SIZE(p);
+ doi = EXTRACT_BE_U_4(p->doi);
+ sit = EXTRACT_BE_U_4(p->sit);
if (doi != 1) {
- ND_PRINT((ndo," doi=%d", doi));
- ND_PRINT((ndo," situation=%u", (u_int32_t)ntohl(sa.sit)));
- return (u_char *)(p + 1);
+ ND_PRINT(" doi=%u", doi);
+ ND_PRINT(" situation=%u", sit);
+ return (const u_char *)(p + 1);
}
- ND_PRINT((ndo," doi=ipsec"));
- q = (u_int32_t *)&sa.sit;
- ND_PRINT((ndo," situation="));
+ ND_PRINT(" doi=ipsec");
+ ND_PRINT(" situation=");
t = 0;
if (sit & 0x01) {
- ND_PRINT((ndo,"identity"));
+ ND_PRINT("identity");
t++;
}
if (sit & 0x02) {
- ND_PRINT((ndo,"%ssecrecy", t ? "+" : ""));
+ ND_PRINT("%ssecrecy", t ? "+" : "");
t++;
}
if (sit & 0x04)
- ND_PRINT((ndo,"%sintegrity", t ? "+" : ""));
+ ND_PRINT("%sintegrity", t ? "+" : "");
- np = (u_char *)ext + sizeof(sa);
+ np = (const u_char *)ext + sizeof(struct ikev1_pl_sa);
if (sit != 0x01) {
- ND_TCHECK2(*(ext + 1), sizeof(ident));
- safememcpy(&ident, ext + 1, sizeof(ident));
- ND_PRINT((ndo," ident=%u", (u_int32_t)ntohl(ident)));
+ ND_TCHECK_4(ext + 1);
+ ident = EXTRACT_BE_U_4(ext + 1);
+ ND_PRINT(" ident=%u", ident);
np += sizeof(ident);
}
- ext = (struct isakmp_gen *)np;
- ND_TCHECK(*ext);
+ ext = (const struct isakmp_gen *)np;
+ ND_TCHECK_SIZE(ext);
cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0,
depth);
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SA)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_SA));
return NULL;
}
static const u_char *
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 u_char *ep, uint32_t phase, uint32_t doi0,
+ uint32_t proto0 _U_, int depth)
{
const struct ikev1_pl_p *p;
- struct ikev1_pl_p prop;
const u_char *cp;
-
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_P)));
-
- p = (struct ikev1_pl_p *)ext;
- ND_TCHECK(*p);
- safememcpy(&prop, ext, sizeof(prop));
- ND_PRINT((ndo," #%d 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))
+ uint8_t spi_size;
+
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_P));
+
+ p = (const struct ikev1_pl_p *)ext;
+ ND_TCHECK_SIZE(p);
+ ND_PRINT(" #%u protoid=%s transform=%u",
+ EXTRACT_U_1(p->p_no), PROTOIDSTR(EXTRACT_U_1(p->prot_id)),
+ EXTRACT_U_1(p->num_t));
+ spi_size = EXTRACT_U_1(p->spi_size);
+ if (spi_size) {
+ ND_PRINT(" spi=");
+ if (!rawprint(ndo, (const uint8_t *)(p + 1), spi_size))
goto trunc;
}
- ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size);
- ND_TCHECK(*ext);
-
+ ext = (const struct isakmp_gen *)((const u_char *)(p + 1) + spi_size);
+ ND_TCHECK_SIZE(ext);
+
cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_T, ext, ep, phase, doi0,
- prop.prot_id, depth);
-
+ EXTRACT_U_1(p->prot_id), depth);
+
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_P));
return NULL;
}
NULL, "oui", "deflate", "lzs",
};
-const struct attrmap ipsec_t_map[] = {
+static const struct attrmap ipsec_t_map[] = {
{ NULL, 0, { NULL } },
{ "lifetype", 3, { NULL, "sec", "kb", }, },
{ "life", 0, { NULL } },
{ "privalg", 0, { NULL } },
};
-const struct attrmap encr_t_map[] = {
- { NULL, 0, { NULL } }, { NULL, 0, { NULL } }, /* 0, 1 */
+static 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 */
{ "keylen", 14, { NULL }},
};
-const struct attrmap oakley_t_map[] = {
+static const struct attrmap oakley_t_map[] = {
{ NULL, 0, { NULL } },
{ "enc", 8, { NULL, "1des", "idea", "blowfish", "rc5",
- "3des", "cast", "aes", }, },
+ "3des", "cast", "aes", }, },
{ "hash", 7, { NULL, "md5", "sha1", "tiger",
"sha2-256", "sha2-384", "sha2-512", }, },
{ "auth", 6, { NULL, "preshared", "dss", "rsa sig", "rsa enc",
static const u_char *
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 u_char *ep, uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto, int depth _U_)
{
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;
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_T)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_T));
- p = (struct ikev1_pl_t *)ext;
- ND_TCHECK(*p);
- safememcpy(&t, ext, sizeof(t));
+ p = (const struct ikev1_pl_t *)ext;
+ ND_TCHECK_SIZE(p);
switch (proto) {
case 1:
- idstr = STR_OR_ID(t.t_id, ikev1_p_map);
+ idstr = STR_OR_ID(EXTRACT_U_1(p->t_id), ikev1_p_map);
map = oakley_t_map;
nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]);
break;
case 2:
- idstr = STR_OR_ID(t.t_id, ah_p_map);
+ idstr = STR_OR_ID(EXTRACT_U_1(p->t_id), ah_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
case 3:
- idstr = STR_OR_ID(t.t_id, esp_p_map);
+ idstr = STR_OR_ID(EXTRACT_U_1(p->t_id), esp_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
case 4:
- idstr = STR_OR_ID(t.t_id, ipcomp_p_map);
+ idstr = STR_OR_ID(EXTRACT_U_1(p->t_id), ipcomp_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
}
if (idstr)
- ND_PRINT((ndo," #%d id=%s ", t.t_no, idstr));
+ ND_PRINT(" #%u id=%s ", EXTRACT_U_1(p->t_no), idstr);
else
- ND_PRINT((ndo," #%d id=%d ", t.t_no, t.t_id));
- cp = (u_char *)(p + 1);
- ep2 = (u_char *)p + item_len;
+ ND_PRINT(" #%u id=%u ", EXTRACT_U_1(p->t_no), EXTRACT_U_1(p->t_id));
+ cp = (const u_char *)(p + 1);
+ ep2 = (const 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 (map && nmap)
+ cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);
+ else
+ cp = ikev1_attr_print(ndo, cp, ep2);
+ if (cp == NULL)
+ goto trunc;
}
if (ep < ep2)
- ND_PRINT((ndo,"..."));
+ ND_PRINT("...");
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_T)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_T));
return NULL;
}
static const u_char *
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_)
+ const struct isakmp_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
-
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_KE)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_KE));
- ND_TCHECK(*ext);
- safememcpy(&e, ext, sizeof(e));
- 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))
+ ND_TCHECK_SIZE(ext);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" key len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && item_len > 4) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_KE)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_KE));
return NULL;
}
static const u_char *
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_)
+ const struct isakmp_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
#define USE_IPSECDOI_IN_PHASE1 1
const struct ikev1_pl_id *p;
- struct ikev1_pl_id id;
static const char *idtypestr[] = {
"IPv4", "IPv4net", "IPv6", "IPv6net",
};
"IPv6net", "IPv4range", "IPv6range", "ASN1 DN", "ASN1 GN",
"keyid",
};
- int len;
+ u_int len;
const u_char *data;
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_ID)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_ID));
- p = (struct ikev1_pl_id *)ext;
- ND_TCHECK(*p);
- safememcpy(&id, ext, sizeof(id));
+ p = (const struct ikev1_pl_id *)ext;
+ ND_TCHECK_SIZE(p);
if (sizeof(*p) < item_len) {
- data = (u_char *)(p + 1);
+ data = (const u_char *)(p + 1);
len = item_len - sizeof(*p);
} else {
data = NULL;
}
#if 0 /*debug*/
- ND_PRINT((ndo," [phase=%d doi=%d proto=%d]", phase, doi, proto));
+ ND_PRINT(" [phase=%u doi=%u proto=%u]", phase, doi, proto);
#endif
switch (phase) {
#ifndef USE_IPSECDOI_IN_PHASE1
case 1:
#endif
default:
- 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)));
+ ND_PRINT(" idtype=%s", STR_OR_ID(EXTRACT_U_1(p->d.id_type), idtypestr));
+ ND_PRINT(" doi_data=%u",
+ EXTRACT_BE_U_4(p->d.doi_data) & 0xffffff);
break;
#ifdef USE_IPSECDOI_IN_PHASE1
#endif
case 2:
{
- const struct ipsecdoi_id *p;
- struct ipsecdoi_id id;
- struct protoent *pe;
-
- p = (struct ipsecdoi_id *)ext;
- ND_TCHECK(*p);
- safememcpy(&id, ext, sizeof(id));
- 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)
- ND_PRINT((ndo," protoid=%s", pe->p_name));
-#ifndef WIN32
- endprotoent();
-#endif /* WIN32 */
- } else {
- /* it DOES NOT mean IPPROTO_IP! */
- ND_PRINT((ndo," protoid=%s", "0"));
- }
- ND_PRINT((ndo," port=%d", ntohs(id.port)));
+ const struct ipsecdoi_id *doi_p;
+ const char *p_name;
+ uint8_t type, proto_id;
+
+ doi_p = (const struct ipsecdoi_id *)ext;
+ ND_TCHECK_SIZE(doi_p);
+ type = EXTRACT_U_1(doi_p->type);
+ ND_PRINT(" idtype=%s", STR_OR_ID(type, ipsecidtypestr));
+ /* A protocol ID of 0 DOES NOT mean IPPROTO_IP! */
+ proto_id = EXTRACT_U_1(doi_p->proto_id);
+ if (!ndo->ndo_nflag && proto_id && (p_name = netdb_protoname(proto_id)) != NULL)
+ ND_PRINT(" protoid=%s", p_name);
+ else
+ ND_PRINT(" protoid=%u", proto_id);
+ ND_PRINT(" port=%u", EXTRACT_BE_U_2(doi_p->port));
if (!len)
break;
if (data == NULL)
goto trunc;
- ND_TCHECK2(*data, len);
- switch (id.type) {
+ ND_TCHECK_LEN(data, len);
+ switch (type) {
case IPSECDOI_ID_IPV4_ADDR:
if (len < 4)
- ND_PRINT((ndo," len=%d [bad: < 4]", len));
+ ND_PRINT(" len=%u [bad: < 4]", len);
else
- ND_PRINT((ndo," len=%d %s", len, ipaddr_string(data)));
+ ND_PRINT(" len=%u %s", len, ipaddr_string(ndo, data));
len = 0;
break;
case IPSECDOI_ID_FQDN:
case IPSECDOI_ID_USER_FQDN:
{
- int i;
- ND_PRINT((ndo," len=%d ", len));
+ u_int i;
+ ND_PRINT(" len=%u ", len);
for (i = 0; i < len; i++)
- safeputchar(data[i]);
+ fn_print_char(ndo, EXTRACT_U_1(data + i));
len = 0;
break;
}
{
const u_char *mask;
if (len < 8)
- ND_PRINT((ndo," len=%d [bad: < 8]", len));
+ ND_PRINT(" len=%u [bad: < 8]", len);
else {
- mask = data + sizeof(struct in_addr);
- ND_PRINT((ndo," len=%d %s/%u.%u.%u.%u", len,
- ipaddr_string(data),
- mask[0], mask[1], mask[2], mask[3]));
+ mask = data + sizeof(nd_ipv4);
+ ND_PRINT(" len=%u %s/%u.%u.%u.%u", len,
+ ipaddr_string(ndo, data),
+ EXTRACT_U_1(mask), EXTRACT_U_1(mask + 1),
+ EXTRACT_U_1(mask + 2), EXTRACT_U_1(mask + 3));
}
len = 0;
break;
}
-#ifdef INET6
case IPSECDOI_ID_IPV6_ADDR:
if (len < 16)
- ND_PRINT((ndo," len=%d [bad: < 16]", len));
+ ND_PRINT(" len=%u [bad: < 16]", len);
else
- ND_PRINT((ndo," len=%d %s", len, ip6addr_string(data)));
+ ND_PRINT(" len=%u %s", len, ip6addr_string(ndo, data));
len = 0;
break;
case IPSECDOI_ID_IPV6_ADDR_SUBNET:
{
- const u_int32_t *mask;
- if (len < 20)
- ND_PRINT((ndo," len=%d [bad: < 20]", len));
+ const u_char *mask;
+ if (len < 32)
+ ND_PRINT(" len=%u [bad: < 32]", len);
else {
- mask = (u_int32_t *)(data + sizeof(struct in6_addr));
+ mask = (const u_char *)(data + sizeof(nd_ipv6));
/*XXX*/
- ND_PRINT((ndo," len=%d %s/0x%08x%08x%08x%08x", len,
- ip6addr_string(data),
- mask[0], mask[1], mask[2], mask[3]));
+ ND_PRINT(" len=%u %s/0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", len,
+ ip6addr_string(ndo, data),
+ EXTRACT_U_1(mask), EXTRACT_U_1(mask + 1), EXTRACT_U_1(mask + 2), EXTRACT_U_1(mask + 3),
+ EXTRACT_U_1(mask + 4), EXTRACT_U_1(mask + 5), EXTRACT_U_1(mask + 6), EXTRACT_U_1(mask + 7),
+ EXTRACT_U_1(mask + 8), EXTRACT_U_1(mask + 9), EXTRACT_U_1(mask + 10), EXTRACT_U_1(mask + 11),
+ EXTRACT_U_1(mask + 12), EXTRACT_U_1(mask + 13), EXTRACT_U_1(mask + 14), EXTRACT_U_1(mask + 15));
}
len = 0;
break;
}
-#endif /*INET6*/
case IPSECDOI_ID_IPV4_ADDR_RANGE:
if (len < 8)
- ND_PRINT((ndo," len=%d [bad: < 8]", len));
+ ND_PRINT(" len=%u [bad: < 8]", len);
else {
- ND_PRINT((ndo," len=%d %s-%s", len,
- ipaddr_string(data),
- ipaddr_string(data + sizeof(struct in_addr))));
+ ND_PRINT(" len=%u %s-%s", len,
+ ipaddr_string(ndo, data),
+ ipaddr_string(ndo, data + sizeof(nd_ipv4)));
}
len = 0;
break;
-#ifdef INET6
case IPSECDOI_ID_IPV6_ADDR_RANGE:
if (len < 32)
- ND_PRINT((ndo," len=%d [bad: < 32]", len));
+ ND_PRINT(" len=%u [bad: < 32]", len);
else {
- ND_PRINT((ndo," len=%d %s-%s", len,
- ip6addr_string(data),
- ip6addr_string(data + sizeof(struct in6_addr))));
+ ND_PRINT(" len=%u %s-%s", len,
+ ip6addr_string(ndo, data),
+ ip6addr_string(ndo, data + sizeof(nd_ipv6)));
}
len = 0;
break;
-#endif /*INET6*/
case IPSECDOI_ID_DER_ASN1_DN:
case IPSECDOI_ID_DER_ASN1_GN:
case IPSECDOI_ID_KEY_ID:
}
}
if (data && len) {
- ND_PRINT((ndo," len=%d", len));
+ ND_PRINT(" len=%u", len);
if (2 < ndo->ndo_vflag) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)data, len))
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)data, len))
goto trunc;
}
}
- return (u_char *)ext + item_len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_ID)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_ID));
return NULL;
}
static const u_char *
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_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase _U_,
+ uint32_t doi0 _U_,
+ uint32_t proto0 _U_, int depth _U_)
{
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",
};
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CERT)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_CERT));
- p = (struct ikev1_pl_cert *)ext;
- ND_TCHECK(*p);
- safememcpy(&cert, ext, sizeof(cert));
- ND_PRINT((ndo," len=%d", item_len - 4));
- ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
+ p = (const struct ikev1_pl_cert *)ext;
+ ND_TCHECK_SIZE(p);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ ND_PRINT(" type=%s", STR_OR_ID(EXTRACT_U_1(p->encode), certstr));
if (2 < ndo->ndo_vflag && 4 < item_len) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4))
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + item_len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CERT)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_CERT));
return NULL;
}
static const u_char *
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_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase _U_, uint32_t doi0 _U_,
+ uint32_t proto0 _U_, int depth _U_)
{
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",
};
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CR)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_CR));
- p = (struct ikev1_pl_cert *)ext;
- ND_TCHECK(*p);
- safememcpy(&cert, ext, sizeof(cert));
- ND_PRINT((ndo," len=%d", item_len - 4));
- ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
+ p = (const struct ikev1_pl_cert *)ext;
+ ND_TCHECK_SIZE(p);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ ND_PRINT(" type=%s", STR_OR_ID(EXTRACT_U_1(p->encode), certstr));
if (2 < ndo->ndo_vflag && 4 < item_len) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4))
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + item_len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CR)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_CR));
return NULL;
}
static const u_char *
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_)
+ const struct isakmp_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
-
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_HASH)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_HASH));
- 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))
+ ND_TCHECK_SIZE(ext);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && 4 < item_len) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_HASH)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_HASH));
return NULL;
}
static const u_char *
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_)
+ const struct isakmp_gen *ext, u_int item_len,
+ const u_char *ep _U_, uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
-
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SIG)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_SIG));
- 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))
+ ND_TCHECK_SIZE(ext);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && 4 < item_len) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SIG)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_SIG));
return NULL;
}
static const u_char *
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_)
+ u_int item_len,
+ const u_char *ep,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_NONCE));
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_NONCE)));
-
- ND_TCHECK(*ext);
- safememcpy(&e, ext, sizeof(e));
- 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;
+ ND_TCHECK_SIZE(ext);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" n len=%u", item_len - 4);
+ if (item_len > 4) {
+ if (ndo->ndo_vflag > 2) {
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
+ goto trunc;
+ } else if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" ");
+ if (!ike_show_somedata(ndo, (const u_char *)(ext + 1), ep))
+ goto trunc;
+ }
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE));
return NULL;
}
static const u_char *
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)
+ const u_char *ep, uint32_t phase _U_, uint32_t doi0 _U_,
+ uint32_t proto0 _U_, int depth _U_)
{
- struct ikev1_pl_n *p, n;
+ const struct ikev1_pl_n *p;
const u_char *cp;
- u_char *ep2;
- u_int32_t doi;
- u_int32_t proto;
+ const u_char *ep2;
+ uint32_t doi;
+ uint32_t proto;
+ uint16_t type;
+ uint8_t spi_size;
static const char *notify_error_str[] = {
NULL, "INVALID-PAYLOAD-TYPE",
"DOI-NOT-SUPPORTED", "SITUATION-NOT-SUPPORTED",
#define IPSEC_NOTIFY_STATUS_STR(x) \
STR_OR_ID((u_int)((x) - 24576), ipsec_notify_status_str)
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_N)));
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_N));
- p = (struct ikev1_pl_n *)ext;
- ND_TCHECK(*p);
- safememcpy(&n, ext, sizeof(n));
- doi = ntohl(n.doi);
- proto = n.prot_id;
+ p = (const struct ikev1_pl_n *)ext;
+ ND_TCHECK_SIZE(p);
+ doi = EXTRACT_BE_U_4(p->doi);
+ proto = EXTRACT_U_1(p->prot_id);
if (doi != 1) {
- ND_PRINT((ndo," doi=%d", doi));
- ND_PRINT((ndo," proto=%d", proto));
- if (ntohs(n.type) < 8192)
- ND_PRINT((ndo," type=%s", NOTIFY_ERROR_STR(ntohs(n.type))));
- else if (ntohs(n.type) < 16384)
- ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
- else if (ntohs(n.type) < 24576)
- ND_PRINT((ndo," type=%s", NOTIFY_STATUS_STR(ntohs(n.type))));
+ ND_PRINT(" doi=%u", doi);
+ ND_PRINT(" proto=%u", proto);
+ type = EXTRACT_BE_U_2(p->type);
+ if (type < 8192)
+ ND_PRINT(" type=%s", NOTIFY_ERROR_STR(type));
+ else if (type < 16384)
+ ND_PRINT(" type=%s", numstr(type));
+ else if (type < 24576)
+ ND_PRINT(" type=%s", NOTIFY_STATUS_STR(type));
else
- ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
- if (n.spi_size) {
- ND_PRINT((ndo," spi="));
- if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size))
+ ND_PRINT(" type=%s", numstr(type));
+ spi_size = EXTRACT_U_1(p->spi_size);
+ if (spi_size) {
+ ND_PRINT(" spi=");
+ if (!rawprint(ndo, (const uint8_t *)(p + 1), spi_size))
goto trunc;
}
- return (u_char *)(p + 1) + n.spi_size;
- }
-
- ND_PRINT((ndo," doi=ipsec"));
- ND_PRINT((ndo," proto=%s", PROTOIDSTR(proto)));
- if (ntohs(n.type) < 8192)
- ND_PRINT((ndo," type=%s", NOTIFY_ERROR_STR(ntohs(n.type))));
- else if (ntohs(n.type) < 16384)
- ND_PRINT((ndo," type=%s", IPSEC_NOTIFY_ERROR_STR(ntohs(n.type))));
- else if (ntohs(n.type) < 24576)
- ND_PRINT((ndo," type=%s", NOTIFY_STATUS_STR(ntohs(n.type))));
- else if (ntohs(n.type) < 32768)
- ND_PRINT((ndo," type=%s", IPSEC_NOTIFY_STATUS_STR(ntohs(n.type))));
+ return (const u_char *)(p + 1) + spi_size;
+ }
+
+ ND_PRINT(" doi=ipsec");
+ ND_PRINT(" proto=%s", PROTOIDSTR(proto));
+ type = EXTRACT_BE_U_2(p->type);
+ if (type < 8192)
+ ND_PRINT(" type=%s", NOTIFY_ERROR_STR(type));
+ else if (type < 16384)
+ ND_PRINT(" type=%s", IPSEC_NOTIFY_ERROR_STR(type));
+ else if (type < 24576)
+ ND_PRINT(" type=%s", NOTIFY_STATUS_STR(type));
+ else if (type < 32768)
+ ND_PRINT(" type=%s", IPSEC_NOTIFY_STATUS_STR(type));
else
- ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
- if (n.spi_size) {
- ND_PRINT((ndo," spi="));
- if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size))
+ ND_PRINT(" type=%s", numstr(type));
+ spi_size = EXTRACT_U_1(p->spi_size);
+ if (spi_size) {
+ ND_PRINT(" spi=");
+ if (!rawprint(ndo, (const uint8_t *)(p + 1), spi_size))
goto trunc;
}
- cp = (u_char *)(p + 1) + n.spi_size;
- ep2 = (u_char *)p + item_len;
+ cp = (const u_char *)(p + 1) + spi_size;
+ ep2 = (const u_char *)p + item_len;
if (cp < ep) {
- ND_PRINT((ndo," orig=("));
- switch (ntohs(n.type)) {
+ switch (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]);
+ ND_PRINT(" attrs=(");
while (cp < ep && cp < ep2) {
- cp = ikev1_attrmap_print(ndo, cp,
- (ep < ep2) ? ep : ep2, map, nmap);
+ cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);
+ if (cp == NULL) {
+ ND_PRINT(")");
+ goto trunc;
+ }
}
+ ND_PRINT(")");
break;
}
case IPSECDOI_NTYPE_REPLAY_STATUS:
- ND_PRINT((ndo,"replay detection %sabled",
- (*(u_int32_t *)cp) ? "en" : "dis"));
- break;
- case ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN:
- if (ikev1_sub_print(ndo, ISAKMP_NPTYPE_SA,
- (struct isakmp_gen *)cp, ep, phase, doi, proto,
- depth) == NULL)
- return NULL;
+ ND_PRINT(" status=(");
+ ND_PRINT("replay detection %sabled",
+ EXTRACT_BE_U_4(cp) ? "en" : "dis");
+ ND_PRINT(")");
break;
default:
- /* NULL is dummy */
- isakmp_print(ndo, cp,
- item_len - sizeof(*p) - n.spi_size,
- NULL);
+ /*
+ * XXX - fill in more types here; see, for example,
+ * draft-ietf-ipsec-notifymsg-04.
+ */
+ if (ndo->ndo_vflag > 3) {
+ ND_PRINT(" data=(");
+ if (!rawprint(ndo, (const uint8_t *)(cp), ep - cp))
+ goto trunc;
+ ND_PRINT(")");
+ } else {
+ if (!ike_show_somedata(ndo, cp, ep))
+ goto trunc;
+ }
+ break;
}
- ND_PRINT((ndo,")"));
}
- return (u_char *)ext + item_len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_N));
return NULL;
}
static const u_char *
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 u_char *ep _U_, uint32_t phase _U_, uint32_t doi0 _U_,
+ uint32_t proto0 _U_, int depth _U_)
{
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;
-
- ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_D)));
-
- p = (struct ikev1_pl_d *)ext;
- ND_TCHECK(*p);
- safememcpy(&d, ext, sizeof(d));
- doi = ntohl(d.doi);
- proto = d.prot_id;
+ const uint8_t *q;
+ uint32_t doi;
+ uint32_t proto;
+ uint8_t spi_size;
+ uint16_t num_spi;
+ u_int i;
+
+ ND_PRINT("%s:", NPSTR(ISAKMP_NPTYPE_D));
+
+ p = (const struct ikev1_pl_d *)ext;
+ ND_TCHECK_SIZE(p);
+ doi = EXTRACT_BE_U_4(p->doi);
+ proto = EXTRACT_U_1(p->prot_id);
if (doi != 1) {
- ND_PRINT((ndo," doi=%u", doi));
- ND_PRINT((ndo," proto=%u", proto));
+ ND_PRINT(" doi=%u", doi);
+ ND_PRINT(" proto=%u", proto);
} else {
- ND_PRINT((ndo," doi=ipsec"));
- ND_PRINT((ndo," proto=%s", PROTOIDSTR(proto)));
- }
- 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++) {
+ ND_PRINT(" doi=ipsec");
+ ND_PRINT(" proto=%s", PROTOIDSTR(proto));
+ }
+ spi_size = EXTRACT_U_1(p->spi_size);
+ ND_PRINT(" spilen=%u", spi_size);
+ num_spi = EXTRACT_BE_U_2(p->num_spi);
+ ND_PRINT(" nspi=%u", num_spi);
+ ND_PRINT(" spi=");
+ q = (const uint8_t *)(p + 1);
+ for (i = 0; i < num_spi; i++) {
if (i != 0)
- ND_PRINT((ndo,","));
- if (!rawprint(ndo, (caddr_t)q, d.spi_size))
+ ND_PRINT(",");
+ if (!rawprint(ndo, (const uint8_t *)q, spi_size))
goto trunc;
- q += d.spi_size;
+ q += spi_size;
}
return q;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_D)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_D));
return NULL;
}
static const u_char *
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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
+ ND_PRINT("%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))
+ ND_TCHECK_SIZE(ext);
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && 4 < item_len) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_VID)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_VID));
return NULL;
}
/************************************************************/
static void
-ikev2_pay_print(netdissect_options *ndo, const char *payname, int critical)
+ikev2_pay_print(netdissect_options *ndo, const char *payname, uint8_t critical)
{
- ND_PRINT((ndo,"%s%s:", payname, critical&0x80 ? "[C]" : ""));
+ ND_PRINT("%s%s:", payname, critical&0x80 ? "[C]" : "");
}
static const u_char *
ikev2_gen_print(netdissect_options *ndo, u_char tpay,
- const struct isakmp_gen *ext)
+ const struct isakmp_gen *ext, u_int item_len)
{
- struct isakmp_gen e;
+ const struct isakmp_gen *p = (const struct isakmp_gen *)ext;
- ND_TCHECK(*ext);
- safememcpy(&e, ext, sizeof(e));
- ikev2_pay_print(ndo, NPSTR(tpay), e.critical);
+ ND_TCHECK_SIZE(ext);
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(p->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))
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && 4 < item_len) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_t_print(netdissect_options *ndo, u_char tpay _U_, int pcount,
+ikev2_t_print(netdissect_options *ndo, int tcount,
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 u_char *ep)
{
const struct ikev2_t *p;
- struct ikev2_t t;
- u_int16_t t_id;
+ uint16_t t_id;
+ uint8_t t_type;
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);
+ p = (const struct ikev2_t *)ext;
+ ND_TCHECK_SIZE(p);
+ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_T), EXTRACT_U_1(p->h.critical));
+
+ t_id = EXTRACT_BE_U_2(p->t_id);
- t_id = ntohs(t.t_id);
-
map = NULL;
nmap = 0;
- switch (t.t_type) {
+ t_type = EXTRACT_U_1(p->t_type);
+ switch (t_type) {
case IV2_T_ENCR:
idstr = STR_OR_ID(t_id, esp_p_map);
map = encr_t_map;
}
if (idstr)
- ND_PRINT((ndo," #%u type=%s id=%s ", pcount,
- STR_OR_ID(t.t_type, ikev2_t_type_map),
- idstr));
+ ND_PRINT(" #%u type=%s id=%s ", tcount,
+ STR_OR_ID(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;
+ ND_PRINT(" #%u type=%s id=%u ", tcount,
+ STR_OR_ID(t_type, ikev2_t_type_map),
+ t_id);
+ cp = (const u_char *)(p + 1);
+ ep2 = (const 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);
+ cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);
} else
- cp = ikev1_attr_print(ndo, cp, (ep < ep2) ? ep : ep2);
+ cp = ikev1_attr_print(ndo, cp, ep2);
+ if (cp == NULL)
+ goto trunc;
}
if (ep < ep2)
- ND_PRINT((ndo,"..."));
+ ND_PRINT("...");
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_T)));
+ ND_PRINT(" [|%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 isakmp_gen *ext, u_int oprop_length,
+ const u_char *ep, int depth)
{
const struct ikev2_p *p;
- struct ikev2_p prop;
+ u_int prop_length;
+ uint8_t spi_size;
const u_char *cp;
+ int i;
+ int tcount;
+ u_char np;
+ u_int item_len;
+
+ p = (const struct ikev2_p *)ext;
+ ND_TCHECK_SIZE(p);
- 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 len=%u",
- prop.p_no, PROTOIDSTR(prop.prot_id),
- prop.num_t, ntohs(prop.h.len)));
- if (prop.spi_size) {
- ND_PRINT((ndo," spi="));
- if (!rawprint(ndo, (caddr_t)(p + 1), prop.spi_size))
+ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_P), EXTRACT_U_1(p->h.critical));
+
+ /*
+ * ikev2_sa_print() guarantees that this is >= 4.
+ */
+ prop_length = oprop_length - 4;
+ ND_PRINT(" #%u protoid=%s transform=%u len=%u",
+ EXTRACT_U_1(p->p_no), PROTOIDSTR(EXTRACT_U_1(p->prot_id)),
+ EXTRACT_U_1(p->num_t), oprop_length);
+ cp = (const u_char *)(p + 1);
+
+ spi_size = EXTRACT_U_1(p->spi_size);
+ if (spi_size) {
+ if (prop_length < spi_size)
+ goto toolong;
+ ND_PRINT(" spi=");
+ if (!rawprint(ndo, (const uint8_t *)cp, spi_size))
goto trunc;
+ cp += spi_size;
+ prop_length -= spi_size;
}
- ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size);
- ND_TCHECK(*ext);
+ /*
+ * Print the transforms.
+ */
+ tcount = 0;
+ for (np = ISAKMP_NPTYPE_T; np != 0; np = EXTRACT_U_1(ext->np)) {
+ tcount++;
+ ext = (const struct isakmp_gen *)cp;
+ if (prop_length < sizeof(*ext))
+ goto toolong;
+ ND_TCHECK_SIZE(ext);
+
+ /*
+ * 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 = EXTRACT_BE_U_2(ext->len);
+ if (item_len <= 4)
+ goto trunc;
+
+ if (prop_length < item_len)
+ goto toolong;
+ ND_TCHECK_LEN(cp, item_len);
- cp = ikev2_sub_print(ndo, NULL, ISAKMP_NPTYPE_T, ext, ep, phase, doi0,
- prop.prot_id, depth);
-
+ depth++;
+ ND_PRINT("\n");
+ for (i = 0; i < depth; i++)
+ ND_PRINT(" ");
+ ND_PRINT("(");
+ if (np == ISAKMP_NPTYPE_T) {
+ cp = ikev2_t_print(ndo, tcount, ext, item_len, ep);
+ if (cp == NULL) {
+ /* error, already reported */
+ return NULL;
+ }
+ } else {
+ ND_PRINT("%s", NPSTR(np));
+ cp += item_len;
+ }
+ ND_PRINT(")");
+ depth--;
+ prop_length -= item_len;
+ }
+ return cp;
+toolong:
+ /*
+ * Skip the rest of the proposal.
+ */
+ cp += prop_length;
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_P));
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_P));
return NULL;
}
static const u_char *
-ikev2_sa_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int osa_length, const u_char *ep,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth)
{
- struct isakmp_gen e;
- int osa_length, sa_length;
+ const struct isakmp_gen *ext;
+ u_int sa_length;
+ const u_char *cp;
+ int i;
+ int pcount;
+ u_char np;
+ u_int item_len;
- ND_TCHECK(*ext1);
- safememcpy(&e, ext1, sizeof(e));
- ikev2_pay_print(ndo, "sa", e.critical);
+ ND_TCHECK_SIZE(ext1);
+ ikev2_pay_print(ndo, "sa", EXTRACT_U_1(ext1->critical));
- osa_length= ntohs(e.len);
+ /*
+ * ikev2_sub0_print() guarantees that this is >= 4.
+ */
+ osa_length= EXTRACT_BE_U_2(ext1->len);
sa_length = osa_length - 4;
- ND_PRINT((ndo," len=%d", sa_length));
+ ND_PRINT(" len=%u", sa_length);
- ikev2_sub_print(ndo, NULL, ISAKMP_NPTYPE_P,
- ext1+1, ep,
- 0, 0, 0, depth);
+ /*
+ * Print the payloads.
+ */
+ cp = (const u_char *)(ext1 + 1);
+ pcount = 0;
+ for (np = ISAKMP_NPTYPE_P; np != 0; np = EXTRACT_U_1(ext->np)) {
+ pcount++;
+ ext = (const struct isakmp_gen *)cp;
+ if (sa_length < sizeof(*ext))
+ goto toolong;
+ ND_TCHECK_SIZE(ext);
+
+ /*
+ * 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 = EXTRACT_BE_U_2(ext->len);
+ if (item_len <= 4)
+ goto trunc;
+
+ if (sa_length < item_len)
+ goto toolong;
+ ND_TCHECK_LEN(cp, item_len);
- return (u_char *)ext1 + osa_length;
+ depth++;
+ ND_PRINT("\n");
+ for (i = 0; i < depth; i++)
+ ND_PRINT(" ");
+ ND_PRINT("(");
+ if (np == ISAKMP_NPTYPE_P) {
+ cp = ikev2_p_print(ndo, np, pcount, ext, item_len,
+ ep, depth);
+ if (cp == NULL) {
+ /* error, already reported */
+ return NULL;
+ }
+ } else {
+ ND_PRINT("%s", NPSTR(np));
+ cp += item_len;
+ }
+ ND_PRINT(")");
+ depth--;
+ sa_length -= item_len;
+ }
+ return cp;
+toolong:
+ /*
+ * Skip the rest of the SA.
+ */
+ cp += sa_length;
+ ND_PRINT(" [|%s]", NPSTR(tpay));
+ return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_ke_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_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))
+ const struct ikev2_ke *k;
+
+ k = (const struct ikev2_ke *)ext;
+ ND_TCHECK_SIZE(k);
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(k->h.critical));
+
+ if (item_len < 8) {
+ ND_PRINT(" len=%u < 8", item_len);
+ return (const u_char *)ext + item_len;
+ }
+ ND_PRINT(" len=%u group=%s", item_len - 8,
+ STR_OR_ID(EXTRACT_BE_U_2(k->ke_group), dh_p_map));
+
+ if (2 < ndo->ndo_vflag && 8 < item_len) {
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(k + 1), item_len - 8))
goto trunc;
}
- return (u_char *)ext + ntohs(ke.h.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_ID_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct ikev2_id id;
- int id_len, idtype_len, i;
+ const struct ikev2_id *idp;
+ u_int idtype_len, i;
unsigned int dumpascii, dumphex;
- unsigned char *typedata;
+ const unsigned char *typedata;
- ND_TCHECK(*ext);
- safememcpy(&id, ext, sizeof(id));
- ikev2_pay_print(ndo, NPSTR(tpay), id.h.critical);
+ idp = (const struct ikev2_id *)ext;
+ ND_TCHECK_SIZE(idp);
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(idp->h.critical));
- id_len = ntohs(id.h.len);
-
- ND_PRINT((ndo," len=%d", id_len - 4));
- if (2 < ndo->ndo_vflag && 4 < id_len) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)(ext + 1), id_len - 4))
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (2 < ndo->ndo_vflag && 4 < item_len) {
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- idtype_len =id_len - sizeof(struct ikev2_id);
+ idtype_len =item_len - sizeof(struct ikev2_id);
dumpascii = 0;
dumphex = 0;
- typedata = (unsigned char *)(ext)+sizeof(struct ikev2_id);
+ typedata = (const unsigned char *)(ext)+sizeof(struct ikev2_id);
- switch(id.type) {
+ switch(EXTRACT_U_1(idp->type)) {
case ID_IPV4_ADDR:
- ND_PRINT((ndo, " ipv4:"));
+ ND_PRINT(" ipv4:");
dumphex=1;
break;
case ID_FQDN:
- ND_PRINT((ndo, " fqdn:"));
+ ND_PRINT(" fqdn:");
dumpascii=1;
break;
case ID_RFC822_ADDR:
- ND_PRINT((ndo, " rfc822:"));
+ ND_PRINT(" rfc822:");
dumpascii=1;
break;
case ID_IPV6_ADDR:
- ND_PRINT((ndo, " ipv6:"));
+ ND_PRINT(" ipv6:");
dumphex=1;
break;
case ID_DER_ASN1_DN:
- ND_PRINT((ndo, " dn:"));
+ ND_PRINT(" dn:");
dumphex=1;
break;
case ID_DER_ASN1_GN:
- ND_PRINT((ndo, " gn:"));
+ ND_PRINT(" gn:");
dumphex=1;
break;
case ID_KEY_ID:
- ND_PRINT((ndo, " keyid:"));
+ ND_PRINT(" keyid:");
dumphex=1;
break;
}
if(dumpascii) {
- ND_TCHECK2(*typedata, idtype_len);
+ ND_TCHECK_LEN(typedata, idtype_len);
for(i=0; i<idtype_len; i++) {
- if(isprint(typedata[i])) {
- ND_PRINT((ndo, "%c", typedata[i]));
+ if(ND_ISPRINT(EXTRACT_U_1(typedata + i))) {
+ ND_PRINT("%c", EXTRACT_U_1(typedata + i));
} else {
- ND_PRINT((ndo, "."));
+ ND_PRINT(".");
}
}
}
if(dumphex) {
- if (!rawprint(ndo, (caddr_t)typedata, idtype_len))
+ if (!rawprint(ndo, (const uint8_t *)typedata, idtype_len))
goto trunc;
}
- return (u_char *)ext + id_len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_cert_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
static const u_char *
-ikev2_cr_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
static const u_char *
-ikev2_auth_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct ikev2_auth a;
+ const struct ikev2_auth *p;
const char *v2_auth[]={ "invalid", "rsasig",
"shared-secret", "dsssig" };
- u_char *authdata = (u_char*)ext + sizeof(a);
- unsigned int len;
-
- ND_TCHECK(*ext);
- safememcpy(&a, ext, sizeof(a));
- ikev2_pay_print(ndo, NPSTR(tpay), a.h.critical);
- len = ntohs(a.h.len);
+ const u_char *authdata = (const u_char*)ext + sizeof(struct ikev2_auth);
- ND_PRINT((ndo," len=%d method=%s", len-4,
- STR_OR_ID(a.auth_method, v2_auth)));
+ ND_TCHECK_LEN(ext, sizeof(struct ikev2_auth));
+ p = (const struct ikev2_auth *)ext;
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(p->h.critical));
- if (1 < ndo->ndo_vflag && 4 < len) {
- ND_PRINT((ndo," authdata=("));
- if (!rawprint(ndo, (caddr_t)authdata, len - sizeof(a)))
- goto trunc;
- ND_PRINT((ndo,") "));
- } else if(ndo->ndo_vflag && 4 < len) {
- if(!ike_show_somedata(ndo, authdata, ep)) goto trunc;
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u method=%s", item_len-4,
+ STR_OR_ID(EXTRACT_U_1(p->auth_method), v2_auth));
+ if (item_len > 4) {
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" authdata=(");
+ if (!rawprint(ndo, (const uint8_t *)authdata, item_len - sizeof(struct ikev2_auth)))
+ goto trunc;
+ ND_PRINT(") ");
+ } else if (ndo->ndo_vflag) {
+ if (!ike_show_somedata(ndo, authdata, ep))
+ goto trunc;
+ }
}
- return (u_char *)ext + len;
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_nonce_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_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_TCHECK_SIZE(ext);
+ ikev2_pay_print(ndo, "nonce", EXTRACT_U_1(ext->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))
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u", item_len - 4);
+ if (1 < ndo->ndo_vflag && 4 < item_len) {
+ ND_PRINT(" nonce=(");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
- ND_PRINT((ndo,") "));
- } else if(ndo->ndo_vflag && 4 < ntohs(e.len)) {
+ ND_PRINT(") ");
+ } else if(ndo->ndo_vflag && 4 < item_len) {
if(!ike_show_somedata(ndo, (const u_char *)(ext+1), ep)) goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
/* notify payloads */
static const u_char *
-ikev2_n_print(netdissect_options *ndo, u_char tpay _U_,
+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_)
+ u_int item_len, const u_char *ep,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct ikev2_n *p, n;
+ const struct ikev2_n *p;
+ uint16_t type;
+ uint8_t spi_size;
const u_char *cp;
- u_char *ep2;
- u_char showspi, showdata, showsomedata;
+ u_char showspi, 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);
+ p = (const struct ikev2_n *)ext;
+ ND_TCHECK_SIZE(p);
+ ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_N), EXTRACT_U_1(p->h.critical));
showspi = 1;
- showdata = 0;
showsomedata=0;
notify_name=NULL;
- ND_PRINT((ndo," prot_id=%s", PROTOIDSTR(n.prot_id)));
+ ND_PRINT(" prot_id=%s", PROTOIDSTR(EXTRACT_U_1(p->prot_id)));
- type = ntohs(n.type);
+ type = EXTRACT_BE_U_2(p->type);
/* notify space is annoying sparse */
switch(type) {
showspi = 0;
break;
- case IV2_NOTIFY_FAILED_CP_REQUIRED:
+ case IV2_NOTIFY_FAILED_CP_REQUIRED:
notify_name = "failed:cp_required";
showspi = 0;
break;
showspi = 0;
break;
- case IV2_NOTIFY_SET_WINDOW_SIZE:
+ case IV2_NOTIFY_SET_WINDOW_SIZE:
notify_name = "set_window_size";
showspi = 0;
break;
showspi = 0;
break;
- case IV2_NOTIFY_IPCOMP_SUPPORTED:
+ case IV2_NOTIFY_IPCOMP_SUPPORTED:
notify_name = "ipcomp_supported";
showspi = 0;
break;
notify_name = "cookie";
showspi = 1;
showsomedata= 1;
- showdata= 0;
break;
case IV2_NOTIFY_USE_TRANSPORT_MODE:
}
if(notify_name) {
- ND_PRINT((ndo," type=%u(%s)", type, notify_name));
+ ND_PRINT(" 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;
+ spi_size = EXTRACT_U_1(p->spi_size);
+ if (showspi && spi_size) {
+ ND_PRINT(" spi=");
+ if (!rawprint(ndo, (const uint8_t *)(p + 1), spi_size))
+ goto trunc;
}
- if ((showdata || (showsomedata && ep-cp < 30)) && cp < ep) {
- ND_PRINT((ndo," data=("));
- if (!rawprint(ndo, (caddr_t)(cp), ep - cp))
- goto trunc;
+ cp = (const u_char *)(p + 1) + spi_size;
- ND_PRINT((ndo,")"));
+ if (cp < ep) {
+ if (ndo->ndo_vflag > 3 || (showsomedata && ep-cp < 30)) {
+ ND_PRINT(" data=(");
+ if (!rawprint(ndo, (const uint8_t *)(cp), ep - cp))
+ goto trunc;
- } else if(showsomedata && cp < ep) {
- if(!ike_show_somedata(ndo, cp, ep)) goto trunc;
+ ND_PRINT(")");
+ } else if (showsomedata) {
+ if (!ike_show_somedata(ndo, cp, ep))
+ goto trunc;
+ }
}
-
- return (u_char *)ext + item_len;
+
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
+ ND_PRINT(" [|%s]", NPSTR(ISAKMP_NPTYPE_N));
return NULL;
}
static const u_char *
-ikev2_d_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
static const u_char *
-ikev2_vid_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- struct isakmp_gen e;
const u_char *vid;
- int i, len;
+ u_int i, len;
+
+ ND_TCHECK_SIZE(ext);
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(ext->critical));
+
+ /*
+ * Our caller has ensured that the length is >= 4.
+ */
+ ND_PRINT(" len=%u vid=", item_len - 4);
- ND_TCHECK(*ext);
- safememcpy(&e, ext, sizeof(e));
- 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);
+ len = item_len - 4;
+ ND_TCHECK_LEN(vid, len);
for(i=0; i<len; i++) {
- if(isprint(vid[i])) ND_PRINT((ndo, "%c", vid[i]));
- else ND_PRINT((ndo, "."));
+ if(ND_ISPRINT(EXTRACT_U_1(vid + i)))
+ ND_PRINT("%c", EXTRACT_U_1(vid + i));
+ else ND_PRINT(".");
}
if (2 < ndo->ndo_vflag && 4 < len) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+ /* Print the entire payload in hex */
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))
goto trunc;
}
- return (u_char *)ext + ntohs(e.len);
+ return (const u_char *)ext + item_len;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_TS_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
static const u_char *
#ifndef HAVE_LIBCRYPTO
_U_
#endif
- struct isakmp *base,
- u_char tpay,
+ const struct isakmp *base,
+ u_char tpay,
const struct isakmp_gen *ext,
- u_int item_len _U_, const u_char *ep _U_,
+ u_int item_len, const u_char *ep _U_,
#ifndef HAVE_LIBCRYPTO
_U_
#endif
- u_int32_t phase,
+ uint32_t phase,
#ifndef HAVE_LIBCRYPTO
_U_
#endif
- u_int32_t doi,
+ uint32_t doi,
#ifndef HAVE_LIBCRYPTO
_U_
#endif
- u_int32_t proto,
+ uint32_t proto,
#ifndef HAVE_LIBCRYPTO
_U_
#endif
int depth)
{
- struct isakmp_gen e;
- u_char *dat;
- volatile int dlen;
+ const u_char *dat;
+ u_int dlen;
+#ifdef HAVE_LIBCRYPTO
+ uint8_t np;
+#endif
- ND_TCHECK(*ext);
- safememcpy(&e, ext, sizeof(e));
- ikev2_pay_print(ndo, NPSTR(tpay), e.critical);
+ ND_TCHECK_SIZE(ext);
+ ikev2_pay_print(ndo, NPSTR(tpay), EXTRACT_U_1(ext->critical));
- dlen = ntohs(e.len)-4;
+ dlen = item_len-4;
- ND_PRINT((ndo," len=%d", dlen));
+ ND_PRINT(" len=%u", dlen);
if (2 < ndo->ndo_vflag && 4 < dlen) {
- ND_PRINT((ndo," "));
- if (!rawprint(ndo, (caddr_t)(ext + 1), dlen))
+ ND_PRINT(" ");
+ if (!rawprint(ndo, (const uint8_t *)(ext + 1), dlen))
goto trunc;
}
- dat = (u_char *)(ext+1);
- ND_TCHECK2(*dat, dlen);
-
+ dat = (const u_char *)(ext+1);
+ ND_TCHECK_LEN(dat, dlen);
+
#ifdef HAVE_LIBCRYPTO
+ np = EXTRACT_U_1(ext->np);
+
/* try to decypt it! */
if(esp_print_decrypt_buffer_by_ikev2(ndo,
- base->flags & ISAKMP_FLAG_I,
+ EXTRACT_U_1(base->flags) & ISAKMP_FLAG_I,
base->i_ck, base->r_ck,
dat, dat+dlen)) {
-
+
ext = (const struct isakmp_gen *)ndo->ndo_packetp;
/* got it decrypted, print stuff inside. */
- ikev2_sub_print(ndo, base, e.np, ext, ndo->ndo_snapend,
- phase, doi, proto, depth+1);
+ ikev2_sub_print(ndo, base, np, ext,
+ ndo->ndo_snapend, phase, doi, proto, depth+1);
}
#endif
-
+
/* always return NULL, because E must be at end, and NP refers
* to what was inside.
*/
return NULL;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+ ND_PRINT(" [|%s]", NPSTR(tpay));
return NULL;
}
static const u_char *
-ikev2_cp_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
static const u_char *
-ikev2_eap_print(netdissect_options *ndo, u_char tpay,
+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_)
+ u_int item_len, const u_char *ep _U_,
+ uint32_t phase _U_, uint32_t doi _U_,
+ uint32_t proto _U_, int depth _U_)
{
- return ikev2_gen_print(ndo, tpay, ext);
+ return ikev2_gen_print(ndo, tpay, ext, item_len);
}
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)
+ uint32_t phase, uint32_t doi, uint32_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));
+ cp = (const u_char *)ext;
+ ND_TCHECK_SIZE(ext);
/*
* Since we can't have a payload length of less than 4 bytes,
* or truncated, otherwise we could loop forever processing
* zero-length items or otherwise misdissect the packet.
*/
- item_len = ntohs(e.len);
+ item_len = EXTRACT_BE_U_2(ext->len);
if (item_len <= 4)
return NULL;
*/
cp = (*npfunc[np])(ndo, np, ext, item_len, ep, phase, doi, proto, depth);
} else {
- ND_PRINT((ndo,"%s", NPSTR(np)));
+ ND_PRINT("%s", NPSTR(np));
cp += item_len;
}
return cp;
trunc:
- ND_PRINT((ndo," [|isakmp]"));
+ nd_print_trunc(ndo);
return NULL;
}
static const u_char *
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)
+ uint32_t phase, uint32_t doi, uint32_t proto, int depth)
{
const u_char *cp;
int i;
- struct isakmp_gen e;
+ u_int item_len;
cp = (const u_char *)ext;
while (np) {
- ND_TCHECK(*ext);
-
- safememcpy(&e, ext, sizeof(e));
+ ND_TCHECK_SIZE(ext);
- ND_TCHECK2(*ext, ntohs(e.len));
+ item_len = EXTRACT_BE_U_2(ext->len);
+ ND_TCHECK_LEN(ext, item_len);
depth++;
- ND_PRINT((ndo,"\n"));
+ ND_PRINT("\n");
for (i = 0; i < depth; i++)
- ND_PRINT((ndo," "));
- ND_PRINT((ndo,"("));
+ ND_PRINT(" ");
+ ND_PRINT("(");
cp = ike_sub0_print(ndo, np, ext, ep, phase, doi, proto, depth);
- ND_PRINT((ndo,")"));
+ ND_PRINT(")");
depth--;
if (cp == NULL) {
return NULL;
}
- np = e.np;
- ext = (struct isakmp_gen *)cp;
+ np = EXTRACT_U_1(ext->np);
+ ext = (const struct isakmp_gen *)cp;
}
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(np)));
+ ND_PRINT(" [|%s]", NPSTR(np));
return NULL;
}
static char *
-numstr(int x)
+numstr(u_int x)
{
static char buf[20];
- snprintf(buf, sizeof(buf), "#%d", x);
+ nd_snprintf(buf, sizeof(buf), "#%u", x);
return buf;
}
-/*
- * some compiler tries to optimize memcpy(), using the alignment constraint
- * on the argument pointer type. by using this function, we try to avoid the
- * optimization.
- */
-static void
-safememcpy(void *p, const void *q, size_t l)
-{
- memcpy(p, q, l);
-}
-
static void
ikev1_print(netdissect_options *ndo,
const u_char *bp, u_int length,
- const u_char *bp2, struct isakmp *base)
+ const u_char *bp2, const struct isakmp *base)
{
const struct isakmp *p;
const u_char *ep;
+ u_int flags;
u_char np;
int i;
- int phase;
-
+ u_int phase;
+
p = (const struct isakmp *)bp;
ep = ndo->ndo_snapend;
-
- phase = (*(u_int32_t *)base->msgid == 0) ? 1 : 2;
+
+ phase = (EXTRACT_BE_U_4(base->msgid) == 0) ? 1 : 2;
if (phase == 1)
- ND_PRINT((ndo," phase %d", phase));
+ ND_PRINT(" phase %u", phase);
else
- ND_PRINT((ndo," phase %d/others", phase));
-
+ ND_PRINT(" phase %u/others", phase);
+
i = cookie_find(&base->i_ck);
if (i < 0) {
- if (iszero((u_char *)&base->r_ck, sizeof(base->r_ck))) {
+ if (iszero((const u_char *)&base->r_ck, sizeof(base->r_ck))) {
/* the first packet */
- ND_PRINT((ndo," I"));
+ ND_PRINT(" I");
if (bp2)
- cookie_record(&base->i_ck, bp2);
+ cookie_record(ndo, &base->i_ck, bp2);
} else
- ND_PRINT((ndo," ?"));
+ ND_PRINT(" ?");
} else {
- if (bp2 && cookie_isinitiator(i, bp2))
- ND_PRINT((ndo," I"));
- else if (bp2 && cookie_isresponder(i, bp2))
- ND_PRINT((ndo," R"));
+ if (bp2 && cookie_isinitiator(ndo, i, bp2))
+ ND_PRINT(" I");
+ else if (bp2 && cookie_isresponder(ndo, i, bp2))
+ ND_PRINT(" R");
else
- ND_PRINT((ndo," ?"));
+ ND_PRINT(" ?");
}
-
- 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" : ""));
+
+ ND_PRINT(" %s", ETYPESTR(EXTRACT_U_1(base->etype)));
+ flags = EXTRACT_U_1(base->flags);
+ if (flags) {
+ ND_PRINT("[%s%s]", flags & ISAKMP_FLAG_E ? "E" : "",
+ flags & ISAKMP_FLAG_C ? "C" : "");
}
-
+
if (ndo->ndo_vflag) {
const struct isakmp_gen *ext;
- int nparen;
-
- ND_PRINT((ndo,":"));
-
+
+ ND_PRINT(":");
+
+ np = EXTRACT_U_1(base->np);
+
/* regardless of phase... */
- if (base->flags & ISAKMP_FLAG_E) {
+ if (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)));
+ ND_PRINT(" [encrypted %s]", NPSTR(np));
goto done;
}
-
- nparen = 0;
- CHECKLEN(p + 1, base->np);
- np = base->np;
- ext = (struct isakmp_gen *)(p + 1);
+
+ CHECKLEN(p + 1, np);
+ ext = (const 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));
+ if (EXTRACT_BE_U_4(base->len) != length) {
+ ND_PRINT(" (len mismatch: isakmp %u/ip %u)",
+ EXTRACT_BE_U_4(base->len), length);
}
}
}
static const u_char *
-ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,
- u_char np, int pcount,
+ikev2_sub0_print(netdissect_options *ndo, const struct isakmp *base,
+ 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)
+ uint32_t phase, uint32_t doi, uint32_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));
+ cp = (const u_char *)ext;
+ ND_TCHECK_SIZE(ext);
/*
* Since we can't have a payload length of less than 4 bytes,
* or truncated, otherwise we could loop forever processing
* zero-length items or otherwise misdissect the packet.
*/
- item_len = ntohs(e.len);
+ item_len = EXTRACT_BE_U_2(ext->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(np == ISAKMP_NPTYPE_v2E) {
+ if (np == ISAKMP_NPTYPE_v2E) {
cp = ikev2_e_print(ndo, base, np, 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,
+ cp = (*npfunc[np])(ndo, np, ext, item_len,
ep, phase, doi, proto, depth);
} else {
- ND_PRINT((ndo,"%s", NPSTR(np)));
+ ND_PRINT("%s", NPSTR(np));
cp += item_len;
}
return cp;
trunc:
- ND_PRINT((ndo," [|isakmp]"));
+ nd_print_trunc(ndo);
return NULL;
}
static const u_char *
ikev2_sub_print(netdissect_options *ndo,
- struct isakmp *base,
+ const struct isakmp *base,
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)
+ uint32_t phase, uint32_t doi, uint32_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_TCHECK_SIZE(ext);
- ND_TCHECK2(*ext, ntohs(e.len));
+ ND_TCHECK_LEN(ext, EXTRACT_BE_U_2(ext->len));
depth++;
- ND_PRINT((ndo,"\n"));
+ ND_PRINT("\n");
for (i = 0; i < depth; i++)
- ND_PRINT((ndo," "));
- ND_PRINT((ndo,"("));
- cp = ikev2_sub0_print(ndo, base, np, pcount,
+ ND_PRINT(" ");
+ ND_PRINT("(");
+ cp = ikev2_sub0_print(ndo, base, np,
ext, ep, phase, doi, proto, depth);
- ND_PRINT((ndo,")"));
+ ND_PRINT(")");
depth--;
if (cp == NULL) {
return NULL;
}
- np = e.np;
- ext = (struct isakmp_gen *)cp;
+ np = EXTRACT_U_1(ext->np);
+ ext = (const struct isakmp_gen *)cp;
}
return cp;
trunc:
- ND_PRINT((ndo," [|%s]", NPSTR(np)));
+ ND_PRINT(" [|%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 u_char *bp2 _U_, const struct isakmp *base)
{
const struct isakmp *p;
const u_char *ep;
+ uint8_t flags;
u_char np;
- int phase;
+ u_int phase;
p = (const struct isakmp *)bp;
ep = ndo->ndo_snapend;
- phase = (*(u_int32_t *)base->msgid == 0) ? 1 : 2;
+ phase = (EXTRACT_BE_U_4(base->msgid) == 0) ? 1 : 2;
if (phase == 1)
- ND_PRINT((ndo, " parent_sa"));
+ ND_PRINT(" parent_sa");
else
- ND_PRINT((ndo, " child_sa "));
+ ND_PRINT(" child_sa ");
- ND_PRINT((ndo, " %s", ETYPESTR(base->etype)));
- if (base->flags) {
- ND_PRINT((ndo, "[%s%s%s]",
- base->flags & ISAKMP_FLAG_I ? "I" : "",
- base->flags & ISAKMP_FLAG_V ? "V" : "",
- base->flags & ISAKMP_FLAG_R ? "R" : ""));
+ ND_PRINT(" %s", ETYPESTR(EXTRACT_U_1(base->etype)));
+ flags = EXTRACT_U_1(base->flags);
+ if (flags) {
+ ND_PRINT("[%s%s%s]",
+ flags & ISAKMP_FLAG_I ? "I" : "",
+ flags & ISAKMP_FLAG_V ? "V" : "",
+ flags & ISAKMP_FLAG_R ? "R" : "");
}
if (ndo->ndo_vflag) {
const struct isakmp_gen *ext;
- int nparen;
- ND_PRINT((ndo, ":"));
+ ND_PRINT(":");
+
+ np = EXTRACT_U_1(base->np);
/* regardless of phase... */
- if (base->flags & ISAKMP_FLAG_E) {
+ if (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)));
+ ND_PRINT(" [encrypted %s]", NPSTR(np));
goto done;
}
- nparen = 0;
- CHECKLEN(p + 1, base->np)
-
- np = base->np;
- ext = (struct isakmp_gen *)(p + 1);
+ CHECKLEN(p + 1, np)
+ ext = (const struct isakmp_gen *)(p + 1);
ikev2_sub_print(ndo, base, 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));
+ if (EXTRACT_BE_U_4(base->len) != length) {
+ ND_PRINT(" (len mismatch: isakmp %u/ip %u)",
+ EXTRACT_BE_U_4(base->len), length);
}
}
}
const u_char *bp2)
{
const struct isakmp *p;
- struct isakmp base;
const u_char *ep;
- int major, minor;
+ u_int major, minor;
+ ndo->ndo_protocol = "isakmp";
#ifdef HAVE_LIBCRYPTO
/* initialize SAs */
if (ndo->ndo_sa_list_head == NULL) {
p = (const struct isakmp *)bp;
ep = ndo->ndo_snapend;
- if ((struct isakmp *)ep < p + 1) {
- ND_PRINT((ndo,"[|isakmp]"));
+ if ((const struct isakmp *)ep < p + 1) {
+ nd_print_trunc(ndo);
return;
}
- safememcpy(&base, p, sizeof(base));
-
- ND_PRINT((ndo,"isakmp"));
- major = (base.vers & ISAKMP_VERS_MAJOR)
+ ND_PRINT("isakmp");
+ major = (EXTRACT_U_1(p->vers) & ISAKMP_VERS_MAJOR)
>> ISAKMP_VERS_MAJOR_SHIFT;
- minor = (base.vers & ISAKMP_VERS_MINOR)
+ minor = (EXTRACT_U_1(p->vers) & ISAKMP_VERS_MINOR)
>> ISAKMP_VERS_MINOR_SHIFT;
if (ndo->ndo_vflag) {
- ND_PRINT((ndo," %d.%d", major, minor));
+ ND_PRINT(" %u.%u", major, minor);
}
if (ndo->ndo_vflag) {
- ND_PRINT((ndo," msgid "));
- hexprint(ndo, (caddr_t)&base.msgid, sizeof(base.msgid));
+ ND_PRINT(" msgid ");
+ hexprint(ndo, p->msgid, sizeof(p->msgid));
}
if (1 < ndo->ndo_vflag) {
- ND_PRINT((ndo," cookie "));
- hexprint(ndo, (caddr_t)&base.i_ck, sizeof(base.i_ck));
- ND_PRINT((ndo,"->"));
- hexprint(ndo, (caddr_t)&base.r_ck, sizeof(base.r_ck));
+ ND_PRINT(" cookie ");
+ hexprint(ndo, p->i_ck, sizeof(p->i_ck));
+ ND_PRINT("->");
+ hexprint(ndo, p->r_ck, sizeof(p->r_ck));
}
- ND_PRINT((ndo,":"));
+ ND_PRINT(":");
switch(major) {
case IKEv1_MAJOR_VERSION:
- ikev1_print(ndo, bp, length, bp2, &base);
+ ikev1_print(ndo, bp, length, bp2, p);
break;
case IKEv2_MAJOR_VERSION:
- ikev2_print(ndo, bp, length, bp2, &base);
+ ikev2_print(ndo, bp, length, bp2, p);
break;
}
}
const u_char *bp, u_int length,
const u_char *bp2)
{
- const u_char *ep;
- ep = ndo->ndo_snapend;
-
- if(length == 1 && bp[0]==0xff) {
- ND_PRINT((ndo, "isakmp-nat-keep-alive"));
+ ndo->ndo_protocol = "isakmp_rfc3948";
+ ND_TCHECK_1(bp);
+ if(length == 1 && EXTRACT_U_1(bp)==0xff) {
+ ND_PRINT("isakmp-nat-keep-alive");
return;
}
if(length < 4) {
goto trunc;
}
-
+ ND_TCHECK_1(bp + 3);
+
/*
* see if this is an IKE packet
*/
- if(bp[0]==0 && bp[1]==0 && bp[2]==0 && bp[3]==0) {
- ND_PRINT((ndo, "NONESP-encap: "));
+ if (EXTRACT_BE_U_4(bp) == 0) {
+ ND_PRINT("NONESP-encap: ");
isakmp_print(ndo, bp+4, length-4, bp2);
return;
}
/* must be an ESP packet */
{
- int nh, enh, padlen;
+ u_int nh, enh, padlen;
int advance;
- ND_PRINT((ndo, "UDP-encap: "));
+ ND_PRINT("UDP-encap: ");
advance = esp_print(ndo, bp, length, bp2, &enh, &padlen);
if(advance <= 0)
bp += advance;
length -= advance + padlen;
nh = enh & 0xff;
-
- ip_print_inner(ndo, bp, length, nh, bp2);
+
+ ip_inner_print(ndo, bp, length, nh, bp2);
return;
}
trunc:
- ND_PRINT((ndo,"[|isakmp]"));
+ nd_print_trunc(ndo);
return;
}
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
-
-
-
-
projects / tcpdump / blobdiff