Changeset 39567d9 for libpacketdump

Timestamp:

01/24/19 15:10:43 (2 years ago)

Author:

Jacob Van Walraven <jcv9@…>

Branches:

develop

Children:

5299c55

Parents:

254c926

Message:

libpacketdump ERF print metadata based on its datatype

File:

• libpacketdump/link_21.c (modified) (2 diffs)

libpacketdump/link_21.c

@@ -3 +3 @@
 #include "libpacketdump.h"
 #include "format_erf.h"
+
+#include <arpa/inet.h>
+#include <netinet/ether.h>
 
 DLLEXPORT void decode(int link_type UNUSED, const char *packet UNUSED, unsigned len UNUSED) {
@@ -10 +13 @@
         int i;
         for (i=0; i<meta->num; i++) {
-                printf("   Option ID: %u Option Value: %s\n",
-                        meta->items[i].option, (char *)meta->items[i].data);
+
+                if (meta->items[i].datatype == TRACE_META_STRING) {
+                        printf("   Name: %s ID: %u Value: %s\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                (char *)meta->items[i].data);
+                } else if (meta->items[i].datatype == TRACE_META_UINT8) {
+                        printf("   Name: %s ID: %u Value: %u\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                *(uint8_t *)meta->items[i].data);
+                } else if (meta->items[i].datatype == TRACE_META_UINT32) {
+                        printf("   Name: %s ID: %u Value: %u\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                *(uint32_t *)meta->items[i].data);
+                } else if (meta->items[i].datatype == TRACE_META_UINT64) {
+                        printf("   Name: %s ID: %u Value: %lu\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                *(uint64_t *)meta->items[i].data);
+                } else if (meta->items[i].datatype == TRACE_META_IPV4) {
+                        struct in_addr ip;
+                        ip.s_addr = *(uint32_t *)meta->items[i].data;
+                        printf("   Name: %s ID: %u Value: %s\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                inet_ntoa(ip));
+                } else if (meta->items[i].datatype == TRACE_META_IPV6) {
+                        printf("   Name: %s ID: %u Value: %s\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                (char *)meta->items[i].data);
+                } else if (meta->items[i].datatype == TRACE_META_MAC) {
+                        printf("   Name: %s ID: %u Value: %s\n",
+                                meta->items[i].option_name,
+                                meta->items[i].option,
+                                ether_ntoa((struct ether_addr *)(char *)meta->items[i].data));
+                } else {
+                        printf("   Option ID: %u Option Value: ", meta->items[i].option);
+                        int k;
+                        unsigned char *curr = (unsigned char *)meta->items[i].data;
+                        for (k=0; k<meta->items[i].len; k++) {
+                                printf("%02x ", curr[k]);
+                        }
+                        printf("\n");
+                }
         }
 }