More bounds checking when fetching addresses and converting to strings.

[tcpdump] / print-dhcp6.c

diff --git a/print-dhcp6.c b/print-dhcp6.c
index 590b9c50edf5bb021c2406ca64660fdb54d149b0..0b40af81f93174c2df4d9a2d39b1ec2870429cd0 100644 (file)
--- a/print-dhcp6.c
+++ b/print-dhcp6.c
@@ -371,7 +371,7 @@ dhcp6opt_print(netdissect_options *ndo,
                                break;
                        }
                        tp = (const u_char *)(dh6o + 1);
-                       ND_PRINT(" %s", ip6addr_string(ndo, tp));
+                       ND_PRINT(" %s", GET_IP6ADDR_STRING(tp));
                        ND_PRINT(" pltime:%u vltime:%u",
                            GET_BE_U_4(tp + 16),
                            GET_BE_U_4(tp + 20));
@@ -561,7 +561,7 @@ dhcp6opt_print(netdissect_options *ndo,
                        }
                        tp = (const u_char *)(dh6o + 1);
                        for (i = 0; i < optlen; i += 16)
-                               ND_PRINT(" %s", ip6addr_string(ndo, tp + i));
+                               ND_PRINT(" %s", GET_IP6ADDR_STRING(tp + i));
                        ND_PRINT(")");
                        break;
                case DH6OPT_SIP_SERVER_D:
@@ -618,7 +618,7 @@ dhcp6opt_print(netdissect_options *ndo,
                                break;
                        }
                        tp = (const u_char *)(dh6o + 1);
-                       ND_PRINT(" %s/%u", ip6addr_string(ndo, tp + 9),
+                       ND_PRINT(" %s/%u", GET_IP6ADDR_STRING(tp + 9),
                                 GET_U_1(tp + 8));
                        ND_PRINT(" pltime:%u vltime:%u",
                            GET_BE_U_4(tp),
@@ -670,7 +670,7 @@ dhcp6opt_print(netdissect_options *ndo,
                                ND_PRINT(" type_%u", dh6_lq_query_type);
                                break;
                        }
-                       ND_PRINT(" %s", ip6addr_string(ndo, tp + 1));
+                       ND_PRINT(" %s", GET_IP6ADDR_STRING(tp + 1));
                        if (optlen > 17) {
                                /* there are query-options */
                                dhcp6opt_print(ndo, tp + 17, tp + optlen);
@@ -691,7 +691,7 @@ dhcp6opt_print(netdissect_options *ndo,
                                break;
                        }
                        tp = (const u_char *)(dh6o + 1);
-                       ND_PRINT(" %s ", ip6addr_string(ndo, tp));
+                       ND_PRINT(" %s ", GET_IP6ADDR_STRING(tp));
                        /*
                         * Print hex dump first 10 characters.
                         */
@@ -720,7 +720,7 @@ dhcp6opt_print(netdissect_options *ndo,
                                                ND_PRINT(" ?");
                                                break;
                                        }
-                                       ND_PRINT(" %s", ip6addr_string(ndo, tp));
+                                       ND_PRINT(" %s", GET_IP6ADDR_STRING(tp));
                                        break;
                                case DH6OPT_NTP_SUBOPTION_SRV_FQDN:
                                        ND_PRINT(" ");
@@ -828,9 +828,9 @@ dhcp6_print(netdissect_options *ndo,
        } else {                /* relay messages */
                ND_TCHECK_16(dh6relay->dh6relay_peeraddr);
 
-               ND_PRINT("linkaddr=%s", ip6addr_string(ndo, dh6relay->dh6relay_linkaddr));
+               ND_PRINT("linkaddr=%s", GET_IP6ADDR_STRING(dh6relay->dh6relay_linkaddr));
 
-               ND_PRINT(" peeraddr=%s", ip6addr_string(ndo, dh6relay->dh6relay_peeraddr));
+               ND_PRINT(" peeraddr=%s", GET_IP6ADDR_STRING(dh6relay->dh6relay_peeraddr));
 
                dhcp6opt_print(ndo, (const u_char *)(dh6relay + 1), ep);
        }