Use more the ND_TCHECK_1() macro

[tcpdump] / print-pim.c

diff --git a/print-pim.c b/print-pim.c
index 4e1708f270a1fab617980024103e4fbae52bb3cc..ac24845034f346e34c4037b0aa6a4d6d0ca13af7 100644 (file)
--- a/print-pim.c
+++ b/print-pim.c
@@ -158,14 +158,14 @@ pimv1_join_prune_print(netdissect_options *ndo,
                        unsigned_relts_print(ndo, hold);
                }
                ND_PRINT((ndo, "%s (%s/%d, %s", njoin ? "Join" : "Prune",
-               ipaddr_string(ndo, bp + 26), bp[25] & 0x3f,
+               ipaddr_string(ndo, bp + 26), EXTRACT_U_1(bp + 25) & 0x3f,
                ipaddr_string(ndo, bp + 12)));
                if (EXTRACT_BE_U_4(bp + 16) != 0xffffffff)
                        ND_PRINT((ndo, "/%s", ipaddr_string(ndo, bp + 16)));
                ND_PRINT((ndo, ") %s%s %s",
-                   (bp[24] & 0x01) ? "Sparse" : "Dense",
-                   (bp[25] & 0x80) ? " WC" : "",
-                   (bp[25] & 0x40) ? "RP" : "SPT"));
+                   (EXTRACT_U_1(bp + 24) & 0x01) ? "Sparse" : "Dense",
+                   (EXTRACT_U_1(bp + 25) & 0x80) ? " WC" : "",
+                   (EXTRACT_U_1(bp + 25) & 0x40) ? "RP" : "SPT"));
                return;
        }
 
@@ -232,11 +232,11 @@ pimv1_join_prune_print(netdissect_options *ndo,
                                goto trunc;
                        ND_TCHECK_6(bp);
                        ND_PRINT((ndo, "\n\t%s %s%s%s%s/%d", type,
-                           (bp[0] & 0x01) ? "Sparse " : "Dense ",
-                           (bp[1] & 0x80) ? "WC " : "",
-                           (bp[1] & 0x40) ? "RP " : "SPT ",
+                           (EXTRACT_U_1(bp) & 0x01) ? "Sparse " : "Dense ",
+                           (EXTRACT_U_1(bp + 1) & 0x80) ? "WC " : "",
+                           (EXTRACT_U_1(bp + 1) & 0x40) ? "RP " : "SPT ",
                            ipaddr_string(ndo, bp + 2),
-                           bp[1] & 0x3f));
+                           EXTRACT_U_1(bp + 1) & 0x3f));
                        bp += 6;
                        len -= 6;
                }
@@ -271,7 +271,7 @@ pimv1_print(netdissect_options *ndo,
                                ND_PRINT((ndo, " Sparse-Dense-mode"));
                                break;
                        default:
-                               ND_PRINT((ndo, " mode-%d", bp[8] >> 4));
+                               ND_PRINT((ndo, " mode-%d", EXTRACT_U_1(bp + 8) >> 4));
                                break;
                        }
                }
@@ -311,9 +311,9 @@ pimv1_print(netdissect_options *ndo,
                        ND_PRINT((ndo, "/%s", ipaddr_string(ndo, bp + 12)));
                ND_TCHECK_4(bp + 24);
                ND_PRINT((ndo, " %s pref %d metric %d",
-                   (bp[20] & 0x80) ? "RP-tree" : "SPT",
-               EXTRACT_BE_U_4(bp + 20) & 0x7fffffff,
-               EXTRACT_BE_U_4(bp + 24)));
+                   (EXTRACT_U_1(bp + 20) & 0x80) ? "RP-tree" : "SPT",
+                   EXTRACT_BE_U_4(bp + 20) & 0x7fffffff,
+                   EXTRACT_BE_U_4(bp + 24)));
                break;
        case PIMV1_TYPE_JOIN_PRUNE:
        case PIMV1_TYPE_GRAFT:
@@ -327,7 +327,7 @@ pimv1_print(netdissect_options *ndo,
        }
        ND_TCHECK(bp[4]);
        if ((bp[4] >> 4) != 1)
-               ND_PRINT((ndo, " [v%d]", bp[4] >> 4));
+               ND_PRINT((ndo, " [v%d]", EXTRACT_U_1(bp + 4) >> 4));
        return;
 
 trunc:
@@ -418,7 +418,7 @@ cisco_autorp_print(netdissect_options *ndo,
                        break;
                }
                if (bp[0] & 0xfc)
-                       ND_PRINT((ndo, " [rsvd=0x%02x]", bp[0] & 0xfc));
+                       ND_PRINT((ndo, " [rsvd=0x%02x]", EXTRACT_U_1(bp) & 0xfc));
                bp += 1;
                len -= 1;
                if (len < 1)
@@ -432,13 +432,13 @@ cisco_autorp_print(netdissect_options *ndo,
                        if (len < 6)
                                goto trunc;
                        ND_TCHECK_6(bp);
-                       ND_PRINT((ndo, "%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
-                                 ipaddr_string(ndo, bp + 2), bp[1]));
+                       ND_PRINT((ndo, "%c%s%s/%d", s, EXTRACT_U_1(bp) & 1 ? "!" : "",
+                                 ipaddr_string(ndo, bp + 2), EXTRACT_U_1(bp + 1)));
                        if (bp[0] & 0x02) {
                                ND_PRINT((ndo, " bidir"));
                        }
                        if (bp[0] & 0xfc) {
-                               ND_PRINT((ndo, "[rsvd=0x%02x]", bp[0] & 0xfc));
+                               ND_PRINT((ndo, "[rsvd=0x%02x]", EXTRACT_U_1(bp) & 0xfc));
                        }
                        s = ',';
                        bp += 6; len -= 6;
@@ -622,26 +622,26 @@ pimv2_addr_print(netdissect_options *ndo,
                        if (!silent) {
                                ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp + 2)));
                                if (bp[1] != 32)
-                                       ND_PRINT((ndo, "/%u", bp[1]));
+                                       ND_PRINT((ndo, "/%u", EXTRACT_U_1(bp + 1)));
                        }
                }
                else if (af == AF_INET6) {
                        if (!silent) {
                                ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp + 2)));
                                if (bp[1] != 128)
-                                       ND_PRINT((ndo, "/%u", bp[1]));
+                                       ND_PRINT((ndo, "/%u", EXTRACT_U_1(bp + 1)));
                        }
                }
                if (bp[0] && !silent) {
                        if (at == pimv2_group) {
-                               ND_PRINT((ndo, "(0x%02x)", bp[0]));
+                               ND_PRINT((ndo, "(0x%02x)", EXTRACT_U_1(bp)));
                        } else {
                                ND_PRINT((ndo, "(%s%s%s",
-                                       bp[0] & 0x04 ? "S" : "",
-                                       bp[0] & 0x02 ? "W" : "",
-                                       bp[0] & 0x01 ? "R" : ""));
+                                       EXTRACT_U_1(bp) & 0x04 ? "S" : "",
+                                       EXTRACT_U_1(bp) & 0x02 ? "W" : "",
+                                       EXTRACT_U_1(bp) & 0x01 ? "R" : ""));
                                if (bp[0] & 0xf8) {
-                                       ND_PRINT((ndo, "+0x%02x", bp[0] & 0xf8));
+                                       ND_PRINT((ndo, "+0x%02x", EXTRACT_U_1(bp) & 0xf8));
                                }
                                ND_PRINT((ndo, ")"));
                        }
@@ -824,7 +824,7 @@ pimv2_print(netdissect_options *ndo,
                                if (olen != 4) {
                                        ND_PRINT((ndo, "ERROR: Option Length != 4 Bytes (%u)", olen));
                                } else {
-                                       ND_PRINT((ndo, "v%d", *bp));
+                                       ND_PRINT((ndo, "v%d", EXTRACT_U_1(bp)));
                                        if (*(bp+1) != 0) {
                                                ND_PRINT((ndo, ", interval "));
                                                unsigned_relts_print(ndo, *(bp+1));
@@ -1029,11 +1029,11 @@ pimv2_print(netdissect_options *ndo,
                if (len < 1)
                        goto trunc;
                ND_TCHECK(bp[0]);
-               ND_PRINT((ndo, " hashmlen=%d", bp[0]));
+               ND_PRINT((ndo, " hashmlen=%d", EXTRACT_U_1(bp)));
                if (len < 2)
                        goto trunc;
                ND_TCHECK(bp[2]);
-               ND_PRINT((ndo, " BSRprio=%d", bp[1]));
+               ND_PRINT((ndo, " BSRprio=%d", EXTRACT_U_1(bp + 1)));
                bp += 2;
                len -= 2;
 
@@ -1056,11 +1056,11 @@ pimv2_print(netdissect_options *ndo,
                        if (len < 1)
                                goto trunc;
                        ND_TCHECK(bp[0]);
-                       ND_PRINT((ndo, " RPcnt=%d", bp[0]));
+                       ND_PRINT((ndo, " RPcnt=%d", EXTRACT_U_1(bp)));
                        if (len < 2)
                                goto trunc;
                        ND_TCHECK(bp[1]);
-                       ND_PRINT((ndo, " FRPcnt=%d", frpcnt = bp[1]));
+                       ND_PRINT((ndo, " FRPcnt=%d", frpcnt = EXTRACT_U_1(bp + 1)));
                        if (len < 4)
                                goto trunc;
                        bp += 4;
@@ -1086,7 +1086,7 @@ pimv2_print(netdissect_options *ndo,
                                if (len < 3)
                                        goto trunc;
                                ND_TCHECK(bp[2]);
-                               ND_PRINT((ndo, ",prio=%d", bp[2]));
+                               ND_PRINT((ndo, ",prio=%d", EXTRACT_U_1(bp + 2)));
                                if (len < 4)
                                        goto trunc;
                                bp += 4;
@@ -1122,12 +1122,12 @@ pimv2_print(netdissect_options *ndo,
                if (len < 1)
                        goto trunc;
                ND_TCHECK(bp[0]);
-               ND_PRINT((ndo, " prefix-cnt=%d", bp[0]));
+               ND_PRINT((ndo, " prefix-cnt=%d", EXTRACT_U_1(bp)));
                pfxcnt = bp[0];
                if (len < 2)
                        goto trunc;
                ND_TCHECK(bp[1]);
-               ND_PRINT((ndo, " prio=%d", bp[1]));
+               ND_PRINT((ndo, " prio=%d", EXTRACT_U_1(bp + 1)));
                if (len < 4)
                        goto trunc;
                ND_TCHECK_2(bp + 2);