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Add tools packet_parser

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This commit is contained in:
luwenpeng
2024-05-29 17:55:44 +08:00
parent ba1e651876
commit 963aa259b1
9 changed files with 299 additions and 20 deletions
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60
src/packet/packet.cpp
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@@ -1021,9 +1021,9 @@ static inline const char *parse_ipv4(struct packet *pkt, const char *data, uint1
// ip fragmented
if (ipv4_hdr_get_mf_flag(hdr) || ipv4_hdr_get_frag_offset(hdr))
{
PACKET_LOG_WARN("ip is fragmented");
PACKET_LOG_WARN("packet %p ip layer %p is fragmented", pkt, layer);
pkt->frag_layer = layer;
return layer->pld_ptr;
// try continue parse
}
// TESTED
@@ -1057,9 +1057,9 @@ static inline const char *parse_ipv6(struct packet *pkt, const char *data, uint1
// ipv6 fragment
if (next_proto == IPPROTO_FRAGMENT)
{
PACKET_LOG_WARN("ipv6 is fragmented");
PACKET_LOG_WARN("packet %p ipv6 layer %p is fragmented", pkt, layer);
pkt->frag_layer = layer;
return layer->pld_ptr;
// try continue parse
}
// TODO parse ipv6 extension headers
@@ -1363,21 +1363,63 @@ void packet_print_str(const struct packet *pkt)
return;
}
char buffer[2048] = {0};
printf("packet: %p, data_ptr: %p, data_len: %u, layers_used: %u, layers_size: %u\n",
pkt, pkt->data_ptr, pkt->data_len,
pkt->layers_used, pkt->layers_size);
for (uint8_t i = 0; i < pkt->layers_used; i++)
{
int used = 0;
const struct packet_layer *layer = &pkt->layers[i];
printf(" layer[%u]: %p, type: %s, hdr_offset: %u, hdr_ptr: %p, hdr_len: %u, pld_ptr: %p, pld_len: %u\n",
i, layer, layer_type_to_str(layer->type), layer->hdr_offset,
layer->hdr_ptr, layer->hdr_len, layer->pld_ptr, layer->pld_len);
switch (layer->type)
{
case LAYER_TYPE_ETHER:
break;
case LAYER_TYPE_PPP:
break;
case LAYER_TYPE_HDLC:
break;
case LAYER_TYPE_L2TP:
break;
case LAYER_TYPE_VLAN:
break;
case LAYER_TYPE_PPPOE:
break;
case LAYER_TYPE_MPLS:
break;
case LAYER_TYPE_IPV4:
used = ipv4_hdr_to_str((const struct ip *)layer->hdr_ptr, buffer, sizeof(buffer));
break;
case LAYER_TYPE_IPV6:
used = ipv6_hdr_to_str((const struct ip6_hdr *)layer->hdr_ptr, buffer, sizeof(buffer));
break;
case LAYER_TYPE_GRE:
break;
case LAYER_TYPE_UDP:
used = udp_hdr_to_str((const struct udphdr *)layer->hdr_ptr, buffer, sizeof(buffer));
break;
case LAYER_TYPE_TCP:
used = tcp_hdr_to_str((const struct tcphdr *)layer->hdr_ptr, buffer, sizeof(buffer));
break;
case LAYER_TYPE_ICMP:
break;
case LAYER_TYPE_ICMP6:
break;
case LAYER_TYPE_VXLAN:
break;
case LAYER_TYPE_GTPV1_U:
break;
default:
break;
}
if (used)
{
printf(" %s\n", buffer);
}
}
for (uint16_t i = 0; i < pkt->data_len; i++)
{
printf("0x%02x, ", (uint8_t)pkt->data_ptr[i]);
}
printf("\n");
}
void packet_print_table(const struct packet *pkt)