X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ee68aa36460d7efeca48747f33b7f2adc0900bfb..1bcd37991fa57d9e966a6f96e7cbff59b16c28bd:/print-eigrp.c

diff --git a/print-eigrp.c b/print-eigrp.c
index 5c975552..136efd04 100644
--- a/print-eigrp.c
+++ b/print-eigrp.c
@@ -19,7 +19,7 @@
 /*
  * specification:
  *
- * http://www.rhyshaden.com/eigrp.htm
+ * https://web.archive.org/web/20190722221712/https://www.rhyshaden.com/eigrp.htm
  * RFC 7868
  */
 
@@ -236,9 +236,9 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
      * Sanity checking of the header.
      */
     if (GET_U_1(eigrp_com_header->version) != EIGRP_VERSION) {
-	ND_PRINT("EIGRP version %u packet not supported",
+        ND_PRINT("EIGRP version %u packet not supported",
                  GET_U_1(eigrp_com_header->version));
-	return;
+        return;
     }
 
     /* in non-verbose mode just lets print the basic Message Type*/
@@ -252,9 +252,9 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
     /* ok they seem to want to know everything - lets fully decode it */
 
     if (len < sizeof(struct eigrp_common_header)) {
-        ND_PRINT("EIGRP %s, length: %u (too short, < %u)",
+        ND_PRINT("EIGRP %s, length: %u (too short, < %zu)",
                tok2str(eigrp_opcode_values, "unknown (%u)",GET_U_1(eigrp_com_header->opcode)),
-               len, (u_int) sizeof(struct eigrp_common_header));
+               len, sizeof(struct eigrp_common_header));
         return;
     }
     tlen=len-sizeof(struct eigrp_common_header);
@@ -298,8 +298,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
                eigrp_tlv_len);
 
         if (eigrp_tlv_len < sizeof(struct eigrp_tlv_header)) {
-                ND_PRINT(" (too short, < %u)",
-                        (u_int) sizeof(struct eigrp_tlv_header));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header));
                 break;
         }
         tlv_tptr=tptr+sizeof(struct eigrp_tlv_header);
@@ -313,8 +313,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_GENERAL_PARM:
             tlv_ptr.eigrp_tlv_general_parm = (const struct eigrp_tlv_general_parm_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_general_parm)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_general_parm)));
+                ND_PRINT(" (too short, < %zu)",
+        		 sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_general_parm));
                 break;
             }
 
@@ -330,8 +330,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_SW_VERSION:
             tlv_ptr.eigrp_tlv_sw_version = (const struct eigrp_tlv_sw_version_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_sw_version)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_sw_version)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_sw_version));
                 break;
             }
 
@@ -345,8 +345,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_IP_INT:
             tlv_ptr.eigrp_tlv_ip_int = (const struct eigrp_tlv_ip_int_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_ip_int)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_ip_int)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_ip_int));
                 break;
             }
 
@@ -357,16 +357,16 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
             }
             byte_length = (bit_length + 7) / 8; /* variable length encoding */
             memset(prefix, 0, 4);
-            memcpy(prefix, tlv_ptr.eigrp_tlv_ip_int->destination, byte_length);
+            GET_CPY_BYTES(prefix, tlv_ptr.eigrp_tlv_ip_int->destination, byte_length);
 
             ND_PRINT("\n\t    IPv4 prefix: %15s/%u, nexthop: ",
-                   ipaddr_string(ndo, prefix),
+                   ipaddr_string(ndo, prefix),	/* local buffer, not packet data; don't use GET_IPADDR_STRING() */
                    bit_length);
             if (GET_BE_U_4(tlv_ptr.eigrp_tlv_ip_int->nexthop) == 0)
                 ND_PRINT("self");
             else
                 ND_PRINT("%s",
-                         ipaddr_string(ndo, tlv_ptr.eigrp_tlv_ip_int->nexthop));
+                         GET_IPADDR_STRING(tlv_ptr.eigrp_tlv_ip_int->nexthop));
 
             ND_PRINT("\n\t      delay %u ms, bandwidth %u Kbps, mtu %u, hop %u, reliability %u, load %u",
                    (GET_BE_U_4(tlv_ptr.eigrp_tlv_ip_int->delay)/100),
@@ -380,8 +380,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_IP_EXT:
             tlv_ptr.eigrp_tlv_ip_ext = (const struct eigrp_tlv_ip_ext_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_ip_ext)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_ip_ext)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_ip_ext));
                 break;
             }
 
@@ -392,19 +392,19 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
             }
             byte_length = (bit_length + 7) / 8; /* variable length encoding */
             memset(prefix, 0, 4);
-            memcpy(prefix, tlv_ptr.eigrp_tlv_ip_ext->destination, byte_length);
+            GET_CPY_BYTES(prefix, tlv_ptr.eigrp_tlv_ip_ext->destination, byte_length);
 
             ND_PRINT("\n\t    IPv4 prefix: %15s/%u, nexthop: ",
-                   ipaddr_string(ndo, prefix),
+                   ipaddr_string(ndo, prefix),	/* local buffer, not packet data; don't use GET_IPADDR_STRING() */
                    bit_length);
             if (GET_BE_U_4(tlv_ptr.eigrp_tlv_ip_ext->nexthop) == 0)
                 ND_PRINT("self");
             else
                 ND_PRINT("%s",
-                         ipaddr_string(ndo, tlv_ptr.eigrp_tlv_ip_ext->nexthop));
+                         GET_IPADDR_STRING(tlv_ptr.eigrp_tlv_ip_ext->nexthop));
 
             ND_PRINT("\n\t      origin-router %s, origin-as %u, origin-proto %s, flags [0x%02x], tag 0x%08x, metric %u",
-                   ipaddr_string(ndo, tlv_ptr.eigrp_tlv_ip_ext->origin_router),
+                   GET_IPADDR_STRING(tlv_ptr.eigrp_tlv_ip_ext->origin_router),
                    GET_BE_U_4(tlv_ptr.eigrp_tlv_ip_ext->origin_as),
                    tok2str(eigrp_ext_proto_id_values,"unknown",GET_U_1(tlv_ptr.eigrp_tlv_ip_ext->proto_id)),
                    GET_U_1(tlv_ptr.eigrp_tlv_ip_ext->flags),
@@ -423,8 +423,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_AT_CABLE_SETUP:
             tlv_ptr.eigrp_tlv_at_cable_setup = (const struct eigrp_tlv_at_cable_setup_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_at_cable_setup)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_cable_setup)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_cable_setup));
                 break;
             }
 
@@ -437,8 +437,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_AT_INT:
             tlv_ptr.eigrp_tlv_at_int = (const struct eigrp_tlv_at_int_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_at_int)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_int)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_int));
                 break;
             }
 
@@ -465,8 +465,8 @@ eigrp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
         case EIGRP_TLV_AT_EXT:
             tlv_ptr.eigrp_tlv_at_ext = (const struct eigrp_tlv_at_ext_t *)tlv_tptr;
             if (tlv_tlen < sizeof(*tlv_ptr.eigrp_tlv_at_ext)) {
-                ND_PRINT(" (too short, < %u)",
-                    (u_int) (sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_ext)));
+                ND_PRINT(" (too short, < %zu)",
+                         sizeof(struct eigrp_tlv_header) + sizeof(*tlv_ptr.eigrp_tlv_at_ext));
                 break;
             }