#include "udp.h"
#include "ah.h"
-/* NetBSD: icmp6.h,v 1.13 2000/08/03 16:30:37 itojun Exp */
+/* NetBSD: icmp6.h,v 1.13 2000/08/03 16:30:37 itojun Exp */
/* $KAME: icmp6.h,v 1.22 2000/08/03 15:25:16 jinmei Exp $ */
/*
#define ICMP6_ECHO_REQUEST 128 /* echo service */
#define ICMP6_ECHO_REPLY 129 /* echo reply */
#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
-#define MLD6_LISTENER_QUERY 130 /* multicast listener query */
+#define MLD6_LISTENER_QUERY 130 /* multicast listener query */
#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
#define MLD6_LISTENER_REPORT 131 /* multicast listener report */
#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
-#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
+#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
-#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
+#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
#define ICMP6_PARAMPROB_FRAGHDRCHAIN 3 /* incomplete header chain */
*/
struct nd_router_solicit { /* router solicitation */
- struct icmp6_hdr nd_rs_hdr;
+ struct icmp6_hdr nd_rs_hdr;
/* could be followed by options */
};
#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
-/* network endian */
-#define NI_SUPTYPE_FLAG_COMPRESS ((uint16_t)htons(0x1))
-#define NI_FQDN_FLAG_VALIDTTL ((uint16_t)htons(0x1))
-
-/* network endian */
-#define NI_NODEADDR_FLAG_TRUNCATE ((uint16_t)htons(0x1))
-#define NI_NODEADDR_FLAG_ALL ((uint16_t)htons(0x2))
-#define NI_NODEADDR_FLAG_COMPAT ((uint16_t)htons(0x4))
-#define NI_NODEADDR_FLAG_LINKLOCAL ((uint16_t)htons(0x8))
-#define NI_NODEADDR_FLAG_SITELOCAL ((uint16_t)htons(0x10))
-#define NI_NODEADDR_FLAG_GLOBAL ((uint16_t)htons(0x20))
-#define NI_NODEADDR_FLAG_ANYCAST ((uint16_t)htons(0x40)) /* just experimental. not in spec */
+#define NI_NODEADDR_FLAG_TRUNCATE 0x0001
+#define NI_NODEADDR_FLAG_ALL 0x0002
+#define NI_NODEADDR_FLAG_COMPAT 0x0004
+#define NI_NODEADDR_FLAG_LINKLOCAL 0x0008
+#define NI_NODEADDR_FLAG_SITELOCAL 0x0010
+#define NI_NODEADDR_FLAG_GLOBAL 0x0020
+#define NI_NODEADDR_FLAG_ANYCAST 0x0040 /* just experimental. not in spec */
struct ni_reply_fqdn {
nd_uint32_t ni_fqdn_ttl; /* TTL */
#define rr_type rr_hdr.icmp6_type
#define rr_code rr_hdr.icmp6_code
#define rr_cksum rr_hdr.icmp6_cksum
-#define rr_seqnum rr_hdr.icmp6_data32[0]
+#define rr_seqnum rr_hdr.icmp6_data32[0]
struct rr_pco_match { /* match prefix part */
nd_uint8_t rpm_code;
static void icmp6_nodeinfo_print(netdissect_options *ndo, u_int, const u_char *, const u_char *);
static void icmp6_rrenum_print(netdissect_options *ndo, const u_char *, const u_char *);
-#ifndef abs
-#define abs(a) ((0 < (a)) ? (a) : -(a))
-#endif
-
/*
* DIO: Updated to RFC6550, as published in 2012: section 6. (page 30)
*/
{ 0, NULL }
};
-
static const struct tok icmp6_opt_values[] = {
{ ND_OPT_SOURCE_LINKADDR, "source link-address"},
{ ND_OPT_TARGET_LINKADDR, "destination link-address"},
optlen = 1;
ND_PRINT(" opt:pad1");
} else {
- if (length < RPL_GENOPTION_LEN)
- goto trunc;
+ if (length < RPL_GENOPTION_LEN)
+ goto trunc;
optlen = GET_U_1(opt->rpl_dio_len)+RPL_GENOPTION_LEN;
ND_PRINT(" opt:%s len:%u ",
tok2str(rpl_subopt_values, "subopt:%u", dio_type),
optlen);
ND_TCHECK_LEN(opt, optlen);
if (length < optlen)
- goto trunc;
+ goto trunc;
if (ndo->ndo_vflag > 2) {
hex_print(ndo,
" ",
return;
trunc:
nd_print_trunc(ndo);
- return;
}
static void
const u_char *bp, u_int length)
{
const struct nd_rpl_dio *dio = (const struct nd_rpl_dio *)bp;
- const char *dagid_str;
-
- ND_TCHECK_SIZE(dio);
- dagid_str = ip6addr_string (ndo, dio->rpl_dagid);
+ ND_ICHECK_ZU(length, <, sizeof(struct nd_rpl_dio));
ND_PRINT(" [dagid:%s,seq:%u,instance:%u,rank:%u,%smop:%s,prf:%u]",
- dagid_str,
+ GET_IP6ADDR_STRING(dio->rpl_dagid),
GET_U_1(dio->rpl_dtsn),
GET_U_1(dio->rpl_instanceid),
GET_BE_U_2(dio->rpl_dagrank),
RPL_DIO_GROUNDED(GET_U_1(dio->rpl_mopprf)) ? "grounded,":"",
- tok2str(rpl_mop_values, "mop%u", RPL_DIO_MOP(GET_U_1(dio->rpl_mopprf))),
+ tok2str(rpl_mop_values, "mop%u",
+ RPL_DIO_MOP(GET_U_1(dio->rpl_mopprf))),
RPL_DIO_PRF(GET_U_1(dio->rpl_mopprf)));
if(ndo->ndo_vflag > 1) {
rpl_printopts(ndo, bp + sizeof(struct nd_rpl_dio),
length - sizeof(struct nd_rpl_dio));
}
- return;
-trunc:
- nd_print_trunc(ndo);
- return;
+ return;
+invalid:
+ nd_print_invalid(ndo);
}
static void
const char *dagid_str = "<elided>";
uint8_t rpl_flags;
- ND_TCHECK_SIZE(dao);
- if (length < ND_RPL_DAO_MIN_LEN)
- goto tooshort;
+ ND_ICHECK_U(length, <, ND_RPL_DAO_MIN_LEN);
bp += ND_RPL_DAO_MIN_LEN;
length -= ND_RPL_DAO_MIN_LEN;
rpl_flags = GET_U_1(dao->rpl_flags);
if(RPL_DAO_D(rpl_flags)) {
- ND_TCHECK_LEN(dao->rpl_dagid, DAGID_LEN);
- if (length < DAGID_LEN)
- goto tooshort;
- dagid_str = ip6addr_string (ndo, dao->rpl_dagid);
+ ND_ICHECK_U(length, <, DAGID_LEN);
+ dagid_str = GET_IP6ADDR_STRING(dao->rpl_dagid);
bp += DAGID_LEN;
length -= DAGID_LEN;
}
- ND_PRINT(" [dagid:%s,seq:%u,instance:%u%s%s,%02x]",
+ ND_PRINT(" [dagid:%s,seq:%u,instance:%u%s%s,flags:%02x]",
dagid_str,
GET_U_1(dao->rpl_daoseq),
GET_U_1(dao->rpl_instanceid),
if(ndo->ndo_vflag > 1) {
rpl_printopts(ndo, bp, length);
}
- return;
-
-trunc:
- nd_print_trunc(ndo);
- return;
-
-tooshort:
- ND_PRINT(" [|length too short]");
- return;
+ return;
+invalid:
+ nd_print_invalid(ndo);
}
static void
const struct nd_rpl_daoack *daoack = (const struct nd_rpl_daoack *)bp;
const char *dagid_str = "<elided>";
- ND_TCHECK_LEN(daoack, ND_RPL_DAOACK_MIN_LEN);
- if (length < ND_RPL_DAOACK_MIN_LEN)
- goto tooshort;
+ ND_ICHECK_U(length, <, ND_RPL_DAOACK_MIN_LEN);
bp += ND_RPL_DAOACK_MIN_LEN;
length -= ND_RPL_DAOACK_MIN_LEN;
if(RPL_DAOACK_D(GET_U_1(daoack->rpl_flags))) {
- ND_TCHECK_LEN(daoack->rpl_dagid, DAGID_LEN);
- if (length < DAGID_LEN)
- goto tooshort;
- dagid_str = ip6addr_string (ndo, daoack->rpl_dagid);
+ ND_ICHECK_U(length, <, DAGID_LEN);
+ dagid_str = GET_IP6ADDR_STRING(daoack->rpl_dagid);
bp += DAGID_LEN;
length -= DAGID_LEN;
}
if(ndo->ndo_vflag > 1) {
rpl_printopts(ndo, bp, length);
}
- return;
-
-trunc:
- nd_print_trunc(ndo);
- return;
-
-tooshort:
- ND_PRINT(" [|dao-length too short]");
- return;
+ return;
+invalid:
+ nd_print_invalid(ndo);
}
static void
}
-
void
icmp6_print(netdissect_options *ndo,
const u_char *bp, u_int length, const u_char *bp2, int fragmented)
break;
case ICMP6_ECHO_REQUEST:
case ICMP6_ECHO_REPLY:
- /* The check below covers both icmp6_id and icmp6_seq. */
ND_PRINT(", id %u, seq %u", GET_BE_U_2(dp->icmp6_id),
GET_BE_U_2(dp->icmp6_seq));
break;
if (ND_TTEST_2(uh->uh_dport)) {
*prot = nh;
return(uh);
- }
- else
+ } else
return(NULL);
/* NOTREACHED */
ND_PRINT(" lifetime %us, domain(s):",
GET_BE_U_4(opds->nd_opt_dnssl_lifetime));
domp = cp + 8; /* domain names, variable-sized, RFC1035-encoded */
- while (domp < cp + (opt_len << 3) && GET_U_1(domp) != '\0')
- {
+ while (domp < cp + (opt_len << 3) && GET_U_1(domp) != '\0') {
ND_PRINT(" ");
if ((domp = fqdn_print(ndo, domp, bp)) == NULL)
goto trunc;
case 1:
break;
case 2:
- ND_TCHECK_8(opri + 1);
- memcpy(&in6, opri + 1, 8);
+ GET_CPY_BYTES(&in6, opri + 1, 8);
break;
case 3:
- ND_TCHECK_16(opri + 1);
- memcpy(&in6, opri + 1, 16);
+ GET_CPY_BYTES(&in6, opri + 1, 16);
break;
default:
goto trunc;
}
- ND_PRINT(" %s/%u", ip6addr_string(ndo, (const u_char *)&in6),
+ ND_PRINT(" %s/%u", ip6addr_string(ndo, (const u_char *)&in6), /* local buffer, not packet data; don't use GET_IP6ADDR_STRING() */
GET_U_1(opri->nd_opt_rti_prefixlen));
ND_PRINT(", pref=%s",
get_rtpref(GET_U_1(opri->nd_opt_rti_flags)));
ND_PRINT(" [gaddr %s", GET_IP6ADDR_STRING(bp + 8));
if (ndo->ndo_vflag) {
- ND_TCHECK_1(bp + 25);
if (GET_U_1(bp + 24) & 0x08) {
ND_PRINT(" sflag");
}
ND_PRINT(", %u source(s)", nsrcs);
}
ND_PRINT("]");
- return;
-trunc:
- nd_print_trunc(ndo);
- return;
}
static void
break;
}
-
/* XXX backward compat, icmp-name-lookup-03 */
if (siz == sizeof(*ni6)) {
ND_PRINT(", 03 draft");
ND_TCHECK_4(rr6->rr_reserved);
switch (GET_U_1(rr6->rr_code)) {
case ICMP6_ROUTER_RENUMBERING_COMMAND:
- ND_PRINT("router renum: command");
+ ND_PRINT(", command");
break;
case ICMP6_ROUTER_RENUMBERING_RESULT:
- ND_PRINT("router renum: result");
+ ND_PRINT(", result");
break;
case ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET:
- ND_PRINT("router renum: sequence number reset");
+ ND_PRINT(", sequence number reset");
break;
default:
- ND_PRINT("router renum: code-#%u", GET_U_1(rr6->rr_code));
+ ND_PRINT(", code-#%u", GET_U_1(rr6->rr_code));
break;
}
projects / tcpdump / blobdiff