]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-icmp.c
Fix small misspellings
[tcpdump] / print-icmp.c
index 7e7db14a7fef6e2f8caa2e5c7bd4506e0ad29cdf..86da44bd99ec2bde3c99c9fec3812db6585ce258 100644 (file)
@@ -52,8 +52,8 @@ struct icmp {
        nd_uint8_t  icmp_code;          /* type sub code */
        nd_uint16_t icmp_cksum;         /* ones complement cksum of struct */
        union {
-               nd_uint8_t ih_pptr;             /* ICMP_PARAMPROB */
-               struct in_addr ih_gwaddr;       /* ICMP_REDIRECT */
+               nd_uint8_t ih_pptr;     /* ICMP_PARAMPROB */
+               nd_ipv4 ih_gwaddr;      /* ICMP_REDIRECT */
                struct ih_idseq {
                        nd_uint16_t icd_id;
                        nd_uint16_t icd_seq;
@@ -260,7 +260,7 @@ struct id_rdiscovery {
  * draft-bonica-internet-icmp-08
  *
  * The Destination Unreachable, Time Exceeded
- * and Parameter Problem messages are slighly changed as per
+ * and Parameter Problem messages are slightly changed as per
  * the above draft. A new Length field gets added to give
  * the caller an idea about the length of the piggypacked
  * IP packet before the MPLS extension header starts.
@@ -322,7 +322,7 @@ icmp_tstamp_print(u_int tstamp)
     sec = tstamp / 1000;
     min = sec / 60; sec -= min * 60;
     hrs = min / 60; min -= hrs * 60;
-    snprintf(buf, sizeof(buf), "%02u:%02u:%02u.%03u",hrs,min,sec,msec);
+    nd_snprintf(buf, sizeof(buf), "%02u:%02u:%02u.%03u",hrs,min,sec,msec);
     return buf;
 }
 
@@ -347,6 +347,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
        char buf[MAXHOSTNAMELEN + 100];
        struct cksum_vec vec[1];
 
+       ndo->ndo_protocol = "icmp";
        dp = (const struct icmp *)bp;
         ext_dp = (const struct icmp_ext_t *)bp;
        ip = (const struct ip *)bp2;
@@ -360,7 +361,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
        case ICMP_ECHO:
        case ICMP_ECHOREPLY:
                ND_TCHECK_2(dp->icmp_seq);
-               (void)snprintf(buf, sizeof(buf), "echo %s, id %u, seq %u",
+               (void)nd_snprintf(buf, sizeof(buf), "echo %s, id %u, seq %u",
                                icmp_type == ICMP_ECHO ?
                                "request" : "reply",
                                EXTRACT_BE_U_2(dp->icmp_id),
@@ -373,9 +374,9 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
 
                case ICMP_UNREACH_PROTOCOL:
                        ND_TCHECK_1(dp->icmp_ip.ip_p);
-                       (void)snprintf(buf, sizeof(buf),
+                       (void)nd_snprintf(buf, sizeof(buf),
                            "%s protocol %u unreachable",
-                           ipaddr_string(ndo, &dp->icmp_ip.ip_dst),
+                           ipaddr_string(ndo, dp->icmp_ip.ip_dst),
                            EXTRACT_U_1(dp->icmp_ip.ip_p));
                        break;
 
@@ -390,23 +391,23 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                        switch (ip_proto) {
 
                        case IPPROTO_TCP:
-                               (void)snprintf(buf, sizeof(buf),
+                               (void)nd_snprintf(buf, sizeof(buf),
                                        "%s tcp port %s unreachable",
-                                       ipaddr_string(ndo, &oip->ip_dst),
+                                       ipaddr_string(ndo, oip->ip_dst),
                                        tcpport_string(ndo, dport));
                                break;
 
                        case IPPROTO_UDP:
-                               (void)snprintf(buf, sizeof(buf),
+                               (void)nd_snprintf(buf, sizeof(buf),
                                        "%s udp port %s unreachable",
-                                       ipaddr_string(ndo, &oip->ip_dst),
+                                       ipaddr_string(ndo, oip->ip_dst),
                                        udpport_string(ndo, dport));
                                break;
 
                        default:
-                               (void)snprintf(buf, sizeof(buf),
+                               (void)nd_snprintf(buf, sizeof(buf),
                                        "%s protocol %u port %u unreachable",
-                                       ipaddr_string(ndo, &oip->ip_dst),
+                                       ipaddr_string(ndo, oip->ip_dst),
                                        ip_proto, dport);
                                break;
                        }
@@ -418,13 +419,13 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                        mp = (const struct mtu_discovery *)(const u_char *)&dp->icmp_void;
                        mtu = EXTRACT_BE_U_2(mp->nexthopmtu);
                        if (mtu) {
-                               (void)snprintf(buf, sizeof(buf),
+                               (void)nd_snprintf(buf, sizeof(buf),
                                    "%s unreachable - need to frag (mtu %u)",
-                                   ipaddr_string(ndo, &dp->icmp_ip.ip_dst), mtu);
+                                   ipaddr_string(ndo, dp->icmp_ip.ip_dst), mtu);
                        } else {
-                               (void)snprintf(buf, sizeof(buf),
+                               (void)nd_snprintf(buf, sizeof(buf),
                                    "%s unreachable - need to frag",
-                                   ipaddr_string(ndo, &dp->icmp_ip.ip_dst));
+                                   ipaddr_string(ndo, dp->icmp_ip.ip_dst));
                        }
                    }
                        break;
@@ -432,8 +433,8 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                default:
                        fmt = tok2str(unreach2str, "#%u %%s unreachable",
                            icmp_code);
-                       (void)snprintf(buf, sizeof(buf), fmt,
-                           ipaddr_string(ndo, &dp->icmp_ip.ip_dst));
+                       (void)nd_snprintf(buf, sizeof(buf), fmt,
+                           ipaddr_string(ndo, dp->icmp_ip.ip_dst));
                        break;
                }
                break;
@@ -442,9 +443,9 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                ND_TCHECK_4(dp->icmp_ip.ip_dst);
                fmt = tok2str(type2str, "redirect-#%u %%s to net %%s",
                    icmp_code);
-               (void)snprintf(buf, sizeof(buf), fmt,
-                   ipaddr_string(ndo, &dp->icmp_ip.ip_dst),
-                   ipaddr_string(ndo, &dp->icmp_gwaddr));
+               (void)nd_snprintf(buf, sizeof(buf), fmt,
+                   ipaddr_string(ndo, dp->icmp_ip.ip_dst),
+                   ipaddr_string(ndo, dp->icmp_gwaddr));
                break;
 
        case ICMP_ROUTERADVERT:
@@ -453,7 +454,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                const struct id_rdiscovery *idp;
                u_int lifetime, num, size;
 
-               (void)snprintf(buf, sizeof(buf), "router advertisement");
+               (void)nd_snprintf(buf, sizeof(buf), "router advertisement");
                cp = buf + strlen(buf);
 
                ihp = (const struct ih_rdiscovery *)&dp->icmp_void;
@@ -462,13 +463,13 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                cp = buf + strlen(buf);
                lifetime = EXTRACT_BE_U_2(ihp->ird_lifetime);
                if (lifetime < 60) {
-                       (void)snprintf(cp, sizeof(buf) - (cp - buf), "%u",
+                       (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), "%u",
                            lifetime);
                } else if (lifetime < 60 * 60) {
-                       (void)snprintf(cp, sizeof(buf) - (cp - buf), "%u:%02u",
+                       (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), "%u:%02u",
                            lifetime / 60, lifetime % 60);
                } else {
-                       (void)snprintf(cp, sizeof(buf) - (cp - buf),
+                       (void)nd_snprintf(cp, sizeof(buf) - (cp - buf),
                            "%u:%02u:%02u",
                            lifetime / 3600,
                            (lifetime % 3600) / 60,
@@ -477,20 +478,20 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                cp = buf + strlen(buf);
 
                num = EXTRACT_U_1(ihp->ird_addrnum);
-               (void)snprintf(cp, sizeof(buf) - (cp - buf), " %u:", num);
+               (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), " %u:", num);
                cp = buf + strlen(buf);
 
                size = EXTRACT_U_1(ihp->ird_addrsiz);
                if (size != 2) {
-                       (void)snprintf(cp, sizeof(buf) - (cp - buf),
+                       (void)nd_snprintf(cp, sizeof(buf) - (cp - buf),
                            " [size %u]", size);
                        break;
                }
                idp = (const struct id_rdiscovery *)&dp->icmp_data;
                while (num-- > 0) {
                        ND_TCHECK_SIZE(idp);
-                       (void)snprintf(cp, sizeof(buf) - (cp - buf), " {%s %u}",
-                           ipaddr_string(ndo, &idp->ird_addr),
+                       (void)nd_snprintf(cp, sizeof(buf) - (cp - buf), " {%s %u}",
+                           ipaddr_string(ndo, idp->ird_addr),
                            EXTRACT_BE_U_4(idp->ird_pref));
                        cp = buf + strlen(buf);
                        ++idp;
@@ -511,7 +512,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                        break;
 
                default:
-                       (void)snprintf(buf, sizeof(buf), "time exceeded-#%u",
+                       (void)nd_snprintf(buf, sizeof(buf), "time exceeded-#%u",
                            icmp_code);
                        break;
                }
@@ -519,24 +520,24 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
 
        case ICMP_PARAMPROB:
                if (icmp_code)
-                       (void)snprintf(buf, sizeof(buf),
+                       (void)nd_snprintf(buf, sizeof(buf),
                            "parameter problem - code %u", icmp_code);
                else {
                        ND_TCHECK_1(dp->icmp_pptr);
-                       (void)snprintf(buf, sizeof(buf),
+                       (void)nd_snprintf(buf, sizeof(buf),
                            "parameter problem - octet %u", EXTRACT_U_1(dp->icmp_pptr));
                }
                break;
 
        case ICMP_MASKREPLY:
                ND_TCHECK_4(dp->icmp_mask);
-               (void)snprintf(buf, sizeof(buf), "address mask is 0x%08x",
+               (void)nd_snprintf(buf, sizeof(buf), "address mask is 0x%08x",
                    EXTRACT_BE_U_4(dp->icmp_mask));
                break;
 
        case ICMP_TSTAMP:
                ND_TCHECK_2(dp->icmp_seq);
-               (void)snprintf(buf, sizeof(buf),
+               (void)nd_snprintf(buf, sizeof(buf),
                    "time stamp query id %u seq %u",
                    EXTRACT_BE_U_2(dp->icmp_id),
                    EXTRACT_BE_U_2(dp->icmp_seq));
@@ -544,15 +545,15 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
 
        case ICMP_TSTAMPREPLY:
                ND_TCHECK_4(dp->icmp_ttime);
-               (void)snprintf(buf, sizeof(buf),
+               (void)nd_snprintf(buf, sizeof(buf),
                    "time stamp reply id %u seq %u: org %s",
                                EXTRACT_BE_U_2(dp->icmp_id),
                                EXTRACT_BE_U_2(dp->icmp_seq),
                                icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_otime)));
 
-                (void)snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", recv %s",
+                (void)nd_snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", recv %s",
                          icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_rtime)));
-                (void)snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", xmit %s",
+                (void)nd_snprintf(buf+strlen(buf),sizeof(buf)-strlen(buf),", xmit %s",
                          icmp_tstamp_print(EXTRACT_BE_U_4(dp->icmp_ttime)));
                 break;
 
@@ -591,6 +592,9 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                 ndo->ndo_snapend = snapend_save;
        }
 
+       /* ndo_protocol reassignment after ip_print() call */
+       ndo->ndo_protocol = "icmp";
+
         /*
          * Attempt to decode the MPLS extensions only for some ICMP types.
          */
@@ -696,11 +700,5 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
 
        return;
 trunc:
-       ND_PRINT("[|icmp]");
+       nd_print_trunc(ndo);
 }
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */