Makefile.in: don't remove configure and config.h.in in make distclean.

[tcpdump] / print-juniper.c

diff --git a/print-juniper.c b/print-juniper.c
index 7b4c492ab5a5c14cf824e042277820d3501aaff1..05ff2f4ab6bd73e6817604baa28a6d9448514cba 100644 (file)
--- a/print-juniper.c
+++ b/print-juniper.c
@@ -495,13 +495,13 @@ juniper_ggsn_if_print(netdissect_options *ndo,
         p+=l2info.header_len;
         gh = (struct juniper_ggsn_header *)&l2info.cookie;
 
-        ND_TCHECK_SIZE(gh);
-        proto = GET_U_1(gh->proto);
+        /* use EXTRACT_, not GET_ (not packet buffer pointer) */
+        proto = EXTRACT_U_1(gh->proto);
         if (ndo->ndo_eflag) {
             ND_PRINT("proto %s (%u), vlan %u: ",
                    tok2str(juniper_protocol_values,"Unknown",proto),
                    proto,
-                   GET_BE_U_2(gh->vlan_id));
+                   EXTRACT_BE_U_2(gh->vlan_id));
         }
 
         switch (proto) {
@@ -1267,7 +1267,7 @@ static int
 juniper_parse_header(netdissect_options *ndo,
                      const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info)
 {
-    const struct juniper_cookie_table_t *lp = juniper_cookie_table;
+    const struct juniper_cookie_table_t *lp;
     u_int idx, extension_length, jnx_header_len = 0;
     uint8_t tlv_type,tlv_len;
 #ifdef DLT_JUNIPER_ATM2
@@ -1331,8 +1331,8 @@ juniper_parse_header(netdissect_options *ndo,
             /* sanity checks */
             if (tlv_type == 0 || tlv_len == 0)
                 break;
-            if (tlv_len+JUNIPER_EXT_TLV_OVERHEAD > extension_length)
-                goto trunc;
+            ND_ICHECK_U(extension_length, <,
+                        tlv_len + JUNIPER_EXT_TLV_OVERHEAD);
 
             if (ndo->ndo_vflag > 1)
                 ND_PRINT("\n\t  %s Extension TLV #%u, length %u, value ",
@@ -1404,68 +1404,72 @@ juniper_parse_header(netdissect_options *ndo,
     l2info->length -= l2info->header_len;
     l2info->caplen -= l2info->header_len;
 
-    /* search through the cookie table and copy values matching for our PIC type */
-    ND_TCHECK_1(p);
-    while (lp->s != NULL) {
-        if (lp->pictype == l2info->pictype) {
+    /* search through the cookie table for one matching our PIC type */
+    lp = NULL;
+    for (const struct juniper_cookie_table_t *table_lp = juniper_cookie_table;
+         table_lp->s != NULL; table_lp++) {
+        if (table_lp->pictype == l2info->pictype) {
+            lp = table_lp;
+            break;
+        }
+    }
 
-            l2info->cookie_len += lp->cookie_len;
+    /* If we found one matching our PIC type, copy its values */
+    if (lp != NULL) {
+        l2info->cookie_len += lp->cookie_len;
 
-            switch (GET_U_1(p)) {
-            case LS_COOKIE_ID:
-                l2info->cookie_type = LS_COOKIE_ID;
-                l2info->cookie_len += 2;
-                break;
-            case AS_COOKIE_ID:
-                l2info->cookie_type = AS_COOKIE_ID;
-                l2info->cookie_len = 8;
-                break;
+        switch (GET_U_1(p)) {
+        case LS_COOKIE_ID:
+            l2info->cookie_type = LS_COOKIE_ID;
+            l2info->cookie_len += 2;
+            break;
+        case AS_COOKIE_ID:
+            l2info->cookie_type = AS_COOKIE_ID;
+            l2info->cookie_len = 8;
+            break;
 
-            default:
-                l2info->bundle = l2info->cookie[0];
-                break;
-            }
+        default:
+            l2info->bundle = l2info->cookie[0];
+            break;
+        }
 
 
 #ifdef DLT_JUNIPER_MFR
-            /* MFR child links don't carry cookies */
-            if (l2info->pictype == DLT_JUNIPER_MFR &&
-                (GET_U_1(p) & MFR_BE_MASK) == MFR_BE_MASK) {
-                l2info->cookie_len = 0;
-            }
+        /* MFR child links don't carry cookies */
+        if (l2info->pictype == DLT_JUNIPER_MFR &&
+            (GET_U_1(p) & MFR_BE_MASK) == MFR_BE_MASK) {
+            l2info->cookie_len = 0;
+        }
 #endif
 
-            l2info->header_len += l2info->cookie_len;
-            l2info->length -= l2info->cookie_len;
-            l2info->caplen -= l2info->cookie_len;
+        l2info->header_len += l2info->cookie_len;
+        l2info->length -= l2info->cookie_len;
+        l2info->caplen -= l2info->cookie_len;
 
-            if (ndo->ndo_eflag)
-                ND_PRINT("%s-PIC, cookie-len %u",
-                       lp->s,
-                       l2info->cookie_len);
+        if (ndo->ndo_eflag)
+            ND_PRINT("%s-PIC, cookie-len %u",
+                   lp->s,
+                   l2info->cookie_len);
 
-            if (l2info->cookie_len > 8) {
-                nd_print_invalid(ndo);
-                return 0;
-            }
+        if (l2info->cookie_len > 8) {
+            nd_print_invalid(ndo);
+            return 0;
+        }
 
-            if (l2info->cookie_len > 0) {
-                ND_TCHECK_LEN(p, l2info->cookie_len);
-                if (ndo->ndo_eflag)
-                    ND_PRINT(", cookie 0x");
-                for (idx = 0; idx < l2info->cookie_len; idx++) {
-                    l2info->cookie[idx] = GET_U_1(p + idx); /* copy cookie data */
-                    if (ndo->ndo_eflag) ND_PRINT("%02x", GET_U_1(p + idx));
-                }
+        if (l2info->cookie_len > 0) {
+            ND_TCHECK_LEN(p, l2info->cookie_len);
+            if (ndo->ndo_eflag)
+                ND_PRINT(", cookie 0x");
+            for (idx = 0; idx < l2info->cookie_len; idx++) {
+                l2info->cookie[idx] = GET_U_1(p + idx); /* copy cookie data */
+                if (ndo->ndo_eflag) ND_PRINT("%02x", GET_U_1(p + idx));
             }
+        }
 
-            if (ndo->ndo_eflag) ND_PRINT(": "); /* print demarc b/w L2/L3*/
+        if (ndo->ndo_eflag) ND_PRINT(": "); /* print demarc b/w L2/L3*/
 
 
-            l2info->proto = GET_BE_U_2(p + l2info->cookie_len);
-            break;
-        }
-        ++lp;
+        l2info->proto = GET_BE_U_2(p + l2info->cookie_len);
     }
     p+=l2info->cookie_len;
 
@@ -1555,10 +1559,18 @@ juniper_parse_header(netdissect_options *ndo,
         }
         break;
 #endif
+#ifdef DLT_JUNIPER_ES
+    case DLT_JUNIPER_ES:
+        break;
+#endif
 #ifdef DLT_JUNIPER_GGSN
     case DLT_JUNIPER_GGSN:
         break;
 #endif
+#ifdef DLT_JUNIPER_SERVICES
+    case DLT_JUNIPER_SERVICES:
+        break;
+#endif
 #ifdef DLT_JUNIPER_ATM1
     case DLT_JUNIPER_ATM1:
         break;
@@ -1579,6 +1591,18 @@ juniper_parse_header(netdissect_options *ndo,
     case DLT_JUNIPER_FRELAY:
         break;
 #endif
+#ifdef DLT_JUNIPER_MONITOR
+    case DLT_JUNIPER_MONITOR:
+        break;
+#endif
+#ifdef DLT_JUNIPER_PPPOE
+    case DLT_JUNIPER_PPPOE:
+        break;
+#endif
+#ifdef DLT_JUNIPER_PPPOE_ATM
+    case DLT_JUNIPER_PPPOE_ATM:
+        break;
+#endif
 
     default:
         ND_PRINT("Unknown Juniper DLT_ type %u: ", l2info->pictype);
@@ -1589,8 +1613,8 @@ juniper_parse_header(netdissect_options *ndo,
         ND_PRINT("hlen %u, proto 0x%04x, ", l2info->header_len, l2info->proto);
 
     return 1; /* everything went ok so far. continue parsing */
-trunc:
-    nd_print_trunc(ndo);
+invalid:
+    nd_print_invalid(ndo);
     return 0;
 }
 #endif /* defined(DLT_JUNIPER_GGSN) || defined(DLT_JUNIPER_ES) || \