]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-icmp6.c
document SIGUSR1 in manual page
[tcpdump] / print-icmp6.c
index 121f93375660442ab6d7e8547841c615f9a325df..81563e6c81389308823b0de6a916cf973ca5ea8e 100644 (file)
  */
 
 struct icmp6_hdr {
-       u_int8_t        icmp6_type;     /* type field */
-       u_int8_t        icmp6_code;     /* code field */
-       u_int16_t       icmp6_cksum;    /* checksum field */
+       uint8_t         icmp6_type;     /* type field */
+       uint8_t         icmp6_code;     /* code field */
+       uint16_t        icmp6_cksum;    /* checksum field */
        union {
-               u_int32_t       icmp6_un_data32[1]; /* type-specific field */
-               u_int16_t       icmp6_un_data16[2]; /* type-specific field */
-               u_int8_t        icmp6_un_data8[4];  /* type-specific field */
+               uint32_t        icmp6_un_data32[1]; /* type-specific field */
+               uint16_t        icmp6_un_data16[2]; /* type-specific field */
+               uint8_t         icmp6_un_data8[4];  /* type-specific field */
        } icmp6_dataun;
 };
 
@@ -201,8 +201,8 @@ struct nd_router_solicit {  /* router solicitation */
 
 struct nd_router_advert {      /* router advertisement */
        struct icmp6_hdr        nd_ra_hdr;
-       u_int32_t               nd_ra_reachable;        /* reachable time */
-       u_int32_t               nd_ra_retransmit;       /* retransmit timer */
+       uint32_t                nd_ra_reachable;        /* reachable time */
+       uint32_t                nd_ra_retransmit;       /* retransmit timer */
        /* could be followed by options */
 };
 
@@ -267,8 +267,8 @@ struct nd_redirect {                /* redirect */
 #define nd_rd_reserved         nd_rd_hdr.icmp6_data32[0]
 
 struct nd_opt_hdr {            /* Neighbor discovery option header */
-       u_int8_t        nd_opt_type;
-       u_int8_t        nd_opt_len;
+       uint8_t         nd_opt_type;
+       uint8_t         nd_opt_len;
        /* followed by option specific data*/
 };
 
@@ -284,13 +284,13 @@ struct nd_opt_hdr {               /* Neighbor discovery option header */
 #define ND_OPT_DNSSL                   31
 
 struct nd_opt_prefix_info {    /* prefix information */
-       u_int8_t        nd_opt_pi_type;
-       u_int8_t        nd_opt_pi_len;
-       u_int8_t        nd_opt_pi_prefix_len;
-       u_int8_t        nd_opt_pi_flags_reserved;
-       u_int8_t        nd_opt_pi_valid_time[4];
-       u_int8_t        nd_opt_pi_preferred_time[4];
-       u_int8_t        nd_opt_pi_reserved2[4];
+       uint8_t         nd_opt_pi_type;
+       uint8_t         nd_opt_pi_len;
+       uint8_t         nd_opt_pi_prefix_len;
+       uint8_t         nd_opt_pi_flags_reserved;
+       uint8_t         nd_opt_pi_valid_time[4];
+       uint8_t         nd_opt_pi_preferred_time[4];
+       uint8_t         nd_opt_pi_reserved2[4];
        struct in6_addr nd_opt_pi_prefix;
 };
 
@@ -299,57 +299,57 @@ struct nd_opt_prefix_info {       /* prefix information */
 #define ND_OPT_PI_FLAG_ROUTER          0x20    /*2292bis*/
 
 struct nd_opt_rd_hdr {         /* redirected header */
-       u_int8_t        nd_opt_rh_type;
-       u_int8_t        nd_opt_rh_len;
-       u_int16_t       nd_opt_rh_reserved1;
-       u_int32_t       nd_opt_rh_reserved2;
+       uint8_t         nd_opt_rh_type;
+       uint8_t         nd_opt_rh_len;
+       uint16_t        nd_opt_rh_reserved1;
+       uint32_t        nd_opt_rh_reserved2;
        /* followed by IP header and data */
 };
 
 struct nd_opt_mtu {            /* MTU option */
-       u_int8_t        nd_opt_mtu_type;
-       u_int8_t        nd_opt_mtu_len;
-       u_int16_t       nd_opt_mtu_reserved;
-       u_int32_t       nd_opt_mtu_mtu;
+       uint8_t         nd_opt_mtu_type;
+       uint8_t         nd_opt_mtu_len;
+       uint16_t        nd_opt_mtu_reserved;
+       uint32_t        nd_opt_mtu_mtu;
 };
 
 struct nd_opt_rdnss {          /* RDNSS RFC 6106 5.1 */
-       u_int8_t        nd_opt_rdnss_type;
-       u_int8_t        nd_opt_rdnss_len;
-       u_int16_t       nd_opt_rdnss_reserved;
-       u_int32_t       nd_opt_rdnss_lifetime;
+       uint8_t         nd_opt_rdnss_type;
+       uint8_t         nd_opt_rdnss_len;
+       uint16_t        nd_opt_rdnss_reserved;
+       uint32_t        nd_opt_rdnss_lifetime;
        struct in6_addr nd_opt_rdnss_addr[1];   /* variable-length */
 };
 
 struct nd_opt_dnssl {          /* DNSSL RFC 6106 5.2 */
-       u_int8_t  nd_opt_dnssl_type;
-       u_int8_t  nd_opt_dnssl_len;
-       u_int16_t nd_opt_dnssl_reserved;
-       u_int32_t nd_opt_dnssl_lifetime;
+       uint8_t  nd_opt_dnssl_type;
+       uint8_t  nd_opt_dnssl_len;
+       uint16_t nd_opt_dnssl_reserved;
+       uint32_t nd_opt_dnssl_lifetime;
        /* followed by list of DNS search domains, variable-length */
 };
 
 struct nd_opt_advinterval {    /* Advertisement interval option */
-       u_int8_t        nd_opt_adv_type;
-       u_int8_t        nd_opt_adv_len;
-       u_int16_t       nd_opt_adv_reserved;
-       u_int32_t       nd_opt_adv_interval;
+       uint8_t         nd_opt_adv_type;
+       uint8_t         nd_opt_adv_len;
+       uint16_t        nd_opt_adv_reserved;
+       uint32_t        nd_opt_adv_interval;
 };
 
 struct nd_opt_homeagent_info { /* Home Agent info */
-       u_int8_t        nd_opt_hai_type;
-       u_int8_t        nd_opt_hai_len;
-       u_int16_t       nd_opt_hai_reserved;
+       uint8_t         nd_opt_hai_type;
+       uint8_t         nd_opt_hai_len;
+       uint16_t        nd_opt_hai_reserved;
        int16_t         nd_opt_hai_preference;
-       u_int16_t       nd_opt_hai_lifetime;
+       uint16_t        nd_opt_hai_lifetime;
 };
 
 struct nd_opt_route_info {     /* route info */
-       u_int8_t        nd_opt_rti_type;
-       u_int8_t        nd_opt_rti_len;
-       u_int8_t        nd_opt_rti_prefixlen;
-       u_int8_t        nd_opt_rti_flags;
-       u_int32_t       nd_opt_rti_lifetime;
+       uint8_t         nd_opt_rti_type;
+       uint8_t         nd_opt_rti_len;
+       uint8_t         nd_opt_rti_prefixlen;
+       uint8_t         nd_opt_rti_flags;
+       uint32_t        nd_opt_rti_lifetime;
        /* prefix follows */
 };
 
@@ -359,11 +359,11 @@ struct nd_opt_route_info {        /* route info */
 
 struct icmp6_namelookup {
        struct icmp6_hdr        icmp6_nl_hdr;
-       u_int8_t        icmp6_nl_nonce[8];
+       uint8_t         icmp6_nl_nonce[8];
        int32_t         icmp6_nl_ttl;
 #if 0
-       u_int8_t        icmp6_nl_len;
-       u_int8_t        icmp6_nl_name[3];
+       uint8_t         icmp6_nl_len;
+       uint8_t         icmp6_nl_name[3];
 #endif
        /* could be followed by options */
 };
@@ -373,7 +373,7 @@ struct icmp6_namelookup {
  */
 struct icmp6_nodeinfo {
        struct icmp6_hdr icmp6_ni_hdr;
-       u_int8_t icmp6_ni_nonce[8];
+       uint8_t icmp6_ni_nonce[8];
        /* could be followed by reply data */
 };
 
@@ -391,22 +391,22 @@ struct icmp6_nodeinfo {
 #define NI_QTYPE_IPV4ADDR      4 /* IPv4 Addresses */
 
 /* network endian */
-#define NI_SUPTYPE_FLAG_COMPRESS       ((u_int16_t)htons(0x1))
-#define NI_FQDN_FLAG_VALIDTTL          ((u_int16_t)htons(0x1))
+#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      ((u_int16_t)htons(0x1))
-#define NI_NODEADDR_FLAG_ALL           ((u_int16_t)htons(0x2))
-#define NI_NODEADDR_FLAG_COMPAT                ((u_int16_t)htons(0x4))
-#define NI_NODEADDR_FLAG_LINKLOCAL     ((u_int16_t)htons(0x8))
-#define NI_NODEADDR_FLAG_SITELOCAL     ((u_int16_t)htons(0x10))
-#define NI_NODEADDR_FLAG_GLOBAL                ((u_int16_t)htons(0x20))
-#define NI_NODEADDR_FLAG_ANYCAST       ((u_int16_t)htons(0x40)) /* just experimental. not in spec */
+#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 */
 
 struct ni_reply_fqdn {
-       u_int32_t ni_fqdn_ttl;  /* TTL */
-       u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
-       u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
+       uint32_t ni_fqdn_ttl;   /* TTL */
+       uint8_t ni_fqdn_namelen; /* length in octets of the FQDN */
+       uint8_t ni_fqdn_name[3]; /* XXX: alignment */
 };
 
 /*
@@ -414,10 +414,10 @@ struct ni_reply_fqdn {
  */
 struct icmp6_router_renum {    /* router renumbering header */
        struct icmp6_hdr        rr_hdr;
-       u_int8_t        rr_segnum;
-       u_int8_t        rr_flags;
-       u_int16_t       rr_maxdelay;
-       u_int32_t       rr_reserved;
+       uint8_t         rr_segnum;
+       uint8_t         rr_flags;
+       uint16_t        rr_maxdelay;
+       uint32_t        rr_reserved;
 };
 #define ICMP6_RR_FLAGS_TEST            0x80
 #define ICMP6_RR_FLAGS_REQRESULT       0x40
@@ -431,13 +431,13 @@ struct icmp6_router_renum {       /* router renumbering header */
 #define rr_seqnum      rr_hdr.icmp6_data32[0]
 
 struct rr_pco_match {          /* match prefix part */
-       u_int8_t        rpm_code;
-       u_int8_t        rpm_len;
-       u_int8_t        rpm_ordinal;
-       u_int8_t        rpm_matchlen;
-       u_int8_t        rpm_minlen;
-       u_int8_t        rpm_maxlen;
-       u_int16_t       rpm_reserved;
+       uint8_t         rpm_code;
+       uint8_t         rpm_len;
+       uint8_t         rpm_ordinal;
+       uint8_t         rpm_matchlen;
+       uint8_t         rpm_minlen;
+       uint8_t         rpm_maxlen;
+       uint16_t        rpm_reserved;
        struct  in6_addr        rpm_prefix;
 };
 
@@ -447,35 +447,35 @@ struct rr_pco_match {             /* match prefix part */
 #define RPM_PCO_MAX            4
 
 struct rr_pco_use {            /* use prefix part */
-       u_int8_t        rpu_uselen;
-       u_int8_t        rpu_keeplen;
-       u_int8_t        rpu_ramask;
-       u_int8_t        rpu_raflags;
-       u_int32_t       rpu_vltime;
-       u_int32_t       rpu_pltime;
-       u_int32_t       rpu_flags;
+       uint8_t         rpu_uselen;
+       uint8_t         rpu_keeplen;
+       uint8_t         rpu_ramask;
+       uint8_t         rpu_raflags;
+       uint32_t        rpu_vltime;
+       uint32_t        rpu_pltime;
+       uint32_t        rpu_flags;
        struct  in6_addr rpu_prefix;
 };
 #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
 #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO   0x40
 
 /* network endian */
-#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME     ((u_int32_t)htonl(0x80000000))
-#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME     ((u_int32_t)htonl(0x40000000))
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME     ((uint32_t)htonl(0x80000000))
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME     ((uint32_t)htonl(0x40000000))
 
 struct rr_result {             /* router renumbering result message */
-       u_int16_t       rrr_flags;
-       u_int8_t        rrr_ordinal;
-       u_int8_t        rrr_matchedlen;
-       u_int32_t       rrr_ifid;
+       uint16_t        rrr_flags;
+       uint8_t         rrr_ordinal;
+       uint8_t         rrr_matchedlen;
+       uint32_t        rrr_ifid;
        struct  in6_addr rrr_prefix;
 };
 /* network endian */
-#define ICMP6_RR_RESULT_FLAGS_OOB              ((u_int16_t)htons(0x0002))
-#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN                ((u_int16_t)htons(0x0001))
+#define ICMP6_RR_RESULT_FLAGS_OOB              ((uint16_t)htons(0x0002))
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN                ((uint16_t)htons(0x0001))
 
 static const char *get_rtpref(u_int);
-static const char *get_lifetime(u_int32_t);
+static const char *get_lifetime(uint32_t);
 static void print_lladdr(netdissect_options *ndo, const u_char *, size_t);
 static void icmp6_opt_print(netdissect_options *ndo, const u_char *, int);
 static void mld6_print(netdissect_options *ndo, const u_char *);
@@ -595,11 +595,11 @@ get_rtpref(u_int v)
 }
 
 static const char *
-get_lifetime(u_int32_t v)
+get_lifetime(uint32_t v)
 {
        static char buf[20];
 
-       if (v == (u_int32_t)~0UL)
+       if (v == (uint32_t)~0UL)
                return "infinity";
        else {
                snprintf(buf, sizeof(buf), "%us", v);
@@ -608,9 +608,9 @@ get_lifetime(u_int32_t v)
 }
 
 static void
-print_lladdr(netdissect_options *ndo, const u_int8_t *p, size_t l)
+print_lladdr(netdissect_options *ndo, const uint8_t *p, size_t l)
 {
-       const u_int8_t *ep, *q;
+       const uint8_t *ep, *q;
 
        q = p;
        ep = p + l;
@@ -625,7 +625,7 @@ print_lladdr(netdissect_options *ndo, const u_int8_t *p, size_t l)
 static int icmp6_cksum(const struct ip6_hdr *ip6, const struct icmp6_hdr *icp,
        u_int len)
 {
-       return nextproto6_cksum(ip6, (const u_int8_t *)(void *)icp, len, len,
+       return nextproto6_cksum(ip6, (const uint8_t *)(void *)icp, len, len,
                                IPPROTO_ICMPV6);
 }
 
@@ -660,7 +660,7 @@ rpl_format_dagid(char dagid_str[65], const u_char *dagid)
                 if(isprint(dagid[i])) {
                         *d++ = dagid[i];
                 } else {
-                        snprintf(d,4,"0x%02x", dagid[i]);
+                        snprintf(d,5,"0x%02x", dagid[i]); /* 4 + null char */
                         d += 4;
                 }
         }
@@ -694,7 +694,7 @@ rpl_dio_printopt(netdissect_options *ndo,
                                 if(paylen > length) paylen = length;
                                 hex_print(ndo,
                                           " ",
-                                          ((u_int8_t *)opt) + RPL_DIO_GENOPTION_LEN,  /* content of DIO option */
+                                          ((uint8_t *)opt) + RPL_DIO_GENOPTION_LEN,  /* content of DIO option */
                                           paylen);
                         }
                 }
@@ -759,10 +759,13 @@ rpl_dao_print(netdissect_options *ndo,
                 length -= DAGID_LEN;
         }
 
-        ND_PRINT((ndo, " [dagid:%s,seq:%u,instance:%u]",
+        ND_PRINT((ndo, " [dagid:%s,seq:%u,instance:%u%s%s,%02x]",
                   dagid_str,
                   dao->rpl_daoseq,
-                  dao->rpl_instanceid));
+                  dao->rpl_instanceid,
+                  RPL_DAO_K(dao->rpl_flags) ? ",acK":"",
+                  RPL_DAO_D(dao->rpl_flags) ? ",Dagid":"",
+                  dao->rpl_flags));
 
         if(ndo->ndo_vflag > 1) {
                 const struct rpl_dio_genoption *opt = (struct rpl_dio_genoption *)bp;
@@ -903,7 +906,7 @@ icmp6_print(netdissect_options *ndo,
        ND_TCHECK(dp->icmp6_cksum);
 
        if (ndo->ndo_vflag && !fragmented) {
-               u_int16_t sum, udp_sum;
+               uint16_t sum, udp_sum;
 
                if (ND_TTEST2(bp[0], length)) {
                        udp_sum = EXTRACT_16BITS(&dp->icmp6_cksum);
@@ -1781,7 +1784,7 @@ icmp6_nodeinfo_print(netdissect_options *ndo, u_int icmp6len, const u_char *bp,
                        } else
                                dnsname_print(ndo, cp, ep);
                        if ((EXTRACT_16BITS(&ni6->ni_flags) & 0x01) != 0)
-                               ND_PRINT((ndo," [TTL=%u]", *(u_int32_t *)(ni6 + 1)));
+                               ND_PRINT((ndo," [TTL=%u]", *(uint32_t *)(ni6 + 1)));
                        break;
                case NI_QTYPE_NODEADDR:
                        if (needcomma)