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feature: packet IO support IP reassembly

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This commit is contained in:
luwenpeng
2024-10-23 10:01:20 +08:00
parent a7b79a0e22
commit fd3cc20554
54 changed files with 3474 additions and 4271 deletions
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52
infra/packet_manager/packet_builder.c
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@@ -6,8 +6,7 @@
#include "packet_parser.h"
#include "packet_internal.h"
#define PACKET_CRAFT_LOG_DEBUG(format, ...) STELLAR_LOG_DEBUG(__thread_local_logger, "packet craft", format, ##__VA_ARGS__)
#define PACKET_CRAFT_LOG_ERROR(format, ...) STELLAR_LOG_ERROR(__thread_local_logger, "packet craft", format, ##__VA_ARGS__)
#define PACKET_BUILD_LOG_ERROR(format, ...) STELLAR_LOG_ERROR(__thread_local_logger, "packet build", format, ##__VA_ARGS__)
struct fingerprint
{
@@ -79,7 +78,7 @@ static void update_gtp1_hdr(struct gtp1_hdr *gtp, int trim_len)
gtp1_hdr_set_msg_len(gtp, msg_len - trim_len);
if (gtp1_hdr_get_seq_flag(gtp) && gtp1_hdr_get_seq(gtp))
{
PACKET_CRAFT_LOG_ERROR("build packets may be dropped by intermediate devices, the GTPv1 layer requires a sequence number");
PACKET_BUILD_LOG_ERROR("build packets may be dropped by intermediate devices, the GTPv1 layer requires a sequence number");
}
}
@@ -89,7 +88,7 @@ static void update_gtp2_hdr(struct gtp2_hdr *gtp, int trim_len)
gtp2_hdr_set_msg_len(gtp, msg_len - trim_len);
if (gtp2_hdr_get_seq(gtp))
{
PACKET_CRAFT_LOG_ERROR("build packets may be dropped by intermediate devices, the GTPv2 layer requires a sequence number");
PACKET_BUILD_LOG_ERROR("build packets may be dropped by intermediate devices, the GTPv2 layer requires a sequence number");
}
}
@@ -256,7 +255,7 @@ struct packet *packet_build_tcp(const struct packet *origin_pkt, uint32_t tcp_se
(tcp_payload == NULL && tcp_payload_len != 0) || (tcp_payload != NULL && tcp_payload_len == 0) ||
(tcp_options_len && tcp_options_len % 4 != 0))
{
PACKET_CRAFT_LOG_ERROR("craft TCP packet failed, invalid arguments");
PACKET_BUILD_LOG_ERROR("build TCP packet failed, invalid arguments");
return NULL;
}
@@ -265,7 +264,7 @@ struct packet *packet_build_tcp(const struct packet *origin_pkt, uint32_t tcp_se
const struct layer_private *tcp_layer = packet_get_layer(origin_pkt, layer_count - 1);
if (tcp_layer == NULL || tcp_layer->proto != LAYER_PROTO_TCP)
{
PACKET_CRAFT_LOG_ERROR("craft TCP packet failed, the innermost layer of the original packet is not TCP");
PACKET_BUILD_LOG_ERROR("build TCP packet failed, the innermost layer of the original packet is not TCP");
return NULL;
}
@@ -275,7 +274,7 @@ struct packet *packet_build_tcp(const struct packet *origin_pkt, uint32_t tcp_se
struct packet *new_pkt = packet_new(new_pkt_len);
if (new_pkt == NULL)
{
PACKET_CRAFT_LOG_ERROR("craft TCP packet failed, no space to allocate new packet");
PACKET_BUILD_LOG_ERROR("build TCP packet failed, no space to allocate new packet");
return NULL;
}
@@ -297,7 +296,14 @@ struct packet *packet_build_tcp(const struct packet *origin_pkt, uint32_t tcp_se
packet_parse(new_pkt, new_pkt_data, new_pkt_len);
memcpy(&new_pkt->meta, &origin_pkt->meta, sizeof(struct metadata));
new_pkt->meta.origin_ctx = NULL;
struct packet_origin origin = {
.type = ORIGIN_TYPE_USER,
.ctx = NULL,
.cb = NULL,
.args = NULL,
.thr_idx = -1,
};
packet_set_origin(new_pkt, &origin);
return new_pkt;
}
@@ -307,7 +313,7 @@ struct packet *packet_build_udp(const struct packet *origin_pkt, const char *udp
// check arguments
if (origin_pkt == NULL || (udp_payload == NULL && udp_payload_len != 0) || (udp_payload != NULL && udp_payload_len == 0))
{
PACKET_CRAFT_LOG_ERROR("craft UDP packet failed, invalid arguments");
PACKET_BUILD_LOG_ERROR("build UDP packet failed, invalid arguments");
return NULL;
}
@@ -316,7 +322,7 @@ struct packet *packet_build_udp(const struct packet *origin_pkt, const char *udp
const struct layer_private *udp_layer = packet_get_layer(origin_pkt, layer_count - 1);
if (udp_layer == NULL || udp_layer->proto != LAYER_PROTO_UDP)
{
PACKET_CRAFT_LOG_ERROR("craft UDP packet failed, the innermost layer of the original packet is not UDP");
PACKET_BUILD_LOG_ERROR("build UDP packet failed, the innermost layer of the original packet is not UDP");
return NULL;
}
@@ -326,7 +332,7 @@ struct packet *packet_build_udp(const struct packet *origin_pkt, const char *udp
struct packet *new_pkt = packet_new(new_pkt_len);
if (new_pkt == NULL)
{
PACKET_CRAFT_LOG_ERROR("craft UDP packet failed, no space to allocate new packet");
PACKET_BUILD_LOG_ERROR("build UDP packet failed, no space to allocate new packet");
return NULL;
}
@@ -339,7 +345,14 @@ struct packet *packet_build_udp(const struct packet *origin_pkt, const char *udp
packet_parse(new_pkt, new_pkt_data, new_pkt_len);
memcpy(&new_pkt->meta, &origin_pkt->meta, sizeof(struct metadata));
new_pkt->meta.origin_ctx = NULL;
struct packet_origin origin = {
.type = ORIGIN_TYPE_USER,
.ctx = NULL,
.cb = NULL,
.args = NULL,
.thr_idx = -1,
};
packet_set_origin(new_pkt, &origin);
return new_pkt;
}
@@ -348,7 +361,7 @@ struct packet *packet_build_l3(const struct packet *origin_pkt, uint8_t ip_proto
{
if (origin_pkt == NULL || (l3_payload == NULL && l3_payload_len != 0) || (l3_payload != NULL && l3_payload_len == 0))
{
PACKET_CRAFT_LOG_ERROR("craft L3 packet failed, invalid arguments");
PACKET_BUILD_LOG_ERROR("build L3 packet failed, invalid arguments");
return NULL;
}
@@ -369,7 +382,7 @@ struct packet *packet_build_l3(const struct packet *origin_pkt, uint8_t ip_proto
}
if (l3_layer == NULL)
{
PACKET_CRAFT_LOG_ERROR("craft L3 packet failed, the original packet does not contain an IP layer");
PACKET_BUILD_LOG_ERROR("build L3 packet failed, the original packet does not contain an IP layer");
return NULL;
}
@@ -382,7 +395,7 @@ struct packet *packet_build_l3(const struct packet *origin_pkt, uint8_t ip_proto
struct packet *new_pkt = packet_new(new_pkt_len);
if (new_pkt == NULL)
{
PACKET_CRAFT_LOG_ERROR("craft L3 packet failed, no space to allocate new packet");
PACKET_BUILD_LOG_ERROR("build L3 packet failed, no space to allocate new packet");
return NULL;
}
@@ -408,7 +421,14 @@ struct packet *packet_build_l3(const struct packet *origin_pkt, uint8_t ip_proto
packet_parse(new_pkt, new_pkt_data, new_pkt_len);
memcpy(&new_pkt->meta, &origin_pkt->meta, sizeof(struct metadata));
new_pkt->meta.origin_ctx = NULL;
struct packet_origin origin = {
.type = ORIGIN_TYPE_USER,
.ctx = NULL,
.cb = NULL,
.args = NULL,
.thr_idx = -1,
};
packet_set_origin(new_pkt, &origin);
return new_pkt;
}