gfwleak/stellar-stellar
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

test: add imitate_tcp_packet test case (TCP over GTP, with TCP payload)

Browse Source
This commit is contained in:
luwenpeng
2024-07-09 11:47:09 +08:00
parent c87ad330e0
commit a7a432f266
1 changed files with 248 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

253
src/packet/test/gtest_packet_build.cpp
View File

@@ -2,8 +2,11 @@
#include <arpa/inet.h> #include <arpa/inet.h>
#include "tcp_utils.h" #include "tcp_utils.h"
#include "ipv4_utils.h" #include "udp_utils.h"
#include "ipv6_utils.h" #include "ip4_utils.h"
#include "ip6_utils.h"
#include "gtp1_utils.h"
#include "gtp2_utils.h"
#include "packet_def.h" #include "packet_def.h"
#include "packet_dump.h" #include "packet_dump.h"
#include "packet_layer.h" #include "packet_layer.h"
@@ -154,7 +157,7 @@ TEST(PACKET_BUILD_TCP, ETH_IP4_TCP)
if (layer.proto == LAYER_PROTO_IPV4) if (layer.proto == LAYER_PROTO_IPV4)
{ {
const struct ip *ip = (struct ip *)layer.hdr.raw; const struct ip *ip = (struct ip *)layer.hdr.raw;
EXPECT_TRUE(ipv4_hdr_get_total_len(ip) == 57); EXPECT_TRUE(ip4_hdr_get_total_len(ip) == 57);
break; break;
} }
if (layer.proto == LAYER_PROTO_TCP) if (layer.proto == LAYER_PROTO_TCP)
@@ -290,13 +293,13 @@ TEST(PACKET_BUILD_TCP, ETH_IP4_IP6_TCP)
if (layer.proto == LAYER_PROTO_IPV4) if (layer.proto == LAYER_PROTO_IPV4)
{ {
const struct ip *ip = (struct ip *)layer.hdr.raw; const struct ip *ip = (struct ip *)layer.hdr.raw;
EXPECT_TRUE(ipv4_hdr_get_total_len(ip) == 85); EXPECT_TRUE(ip4_hdr_get_total_len(ip) == 85);
break; break;
} }
if (layer.proto == LAYER_PROTO_IPV6) if (layer.proto == LAYER_PROTO_IPV6)
{ {
const struct ip6_hdr *ip6 = (struct ip6_hdr *)layer.hdr.raw; const struct ip6_hdr *ip6 = (struct ip6_hdr *)layer.hdr.raw;
EXPECT_TRUE(ipv6_hdr_get_payload_len(ip6) == 25); EXPECT_TRUE(ip6_hdr_get_payload_len(ip6) == 25);
break; break;
} }
if (layer.proto == LAYER_PROTO_TCP) if (layer.proto == LAYER_PROTO_TCP)
@@ -339,6 +342,246 @@ TEST(PACKET_BUILD_TCP, ETH_IP4_IP6_TCP)
} }
#endif #endif
/******************************************************************************
* [Protocols in frame: eth:ethertype:ipv6:udp:gtp:ip:tcp:ja3:tls]
******************************************************************************
*
* Frame 1: 1470 bytes on wire (11760 bits), 1470 bytes captured (11760 bits)
* Ethernet II, Src: HuaweiTe_62:ee:70 (60:d7:55:62:ee:70), Dst: zte_0e:f5:1c (74:4a:a4:0e:f5:1c)
* Destination: zte_0e:f5:1c (74:4a:a4:0e:f5:1c)
* Source: HuaweiTe_62:ee:70 (60:d7:55:62:ee:70)
* Type: IPv6 (0x86dd)
* Internet Protocol Version 6, Src: 2409:8034:4025::50:a31, Dst: 2409:8034:4040:5301::204
* 0110 .... = Version: 6
* .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT)
* .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000
* Payload Length: 1416
* Next Header: UDP (17)
* Hop Limit: 252
* Source Address: 2409:8034:4025::50:a31
* Destination Address: 2409:8034:4040:5301::204
* User Datagram Protocol, Src Port: 2152, Dst Port: 2152
* Source Port: 2152
* Destination Port: 2152
* Length: 1416
* Checksum: 0xc8df [unverified]
* [Checksum Status: Unverified]
* [Stream index: 0]
* [Timestamps]
* UDP payload (1408 bytes)
* GPRS Tunneling Protocol
* Flags: 0x30
* Message Type: T-PDU (0xff)
* Length: 1400
* TEID: 0x6c2a4753 (1814710099)
* Internet Protocol Version 4, Src: 10.49.115.138, Dst: 121.196.250.66
* 0100 .... = Version: 4
* .... 0101 = Header Length: 20 bytes (5)
* Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
* Total Length: 1400
* Identification: 0x0003 (3)
* 010. .... = Flags: 0x2, Don't fragment
* ...0 0000 0000 0000 = Fragment Offset: 0
* Time to Live: 64
* Protocol: TCP (6)
* Header Checksum: 0x43bb [validation disabled]
* [Header checksum status: Unverified]
* Source Address: 10.49.115.138
* Destination Address: 121.196.250.66
* Transmission Control Protocol, Src Port: 50081, Dst Port: 443, Seq: 1, Ack: 1, Len: 1348
* Source Port: 50081
* Destination Port: 443
* [Stream index: 0]
* [Conversation completeness: Incomplete (8)]
* [TCP Segment Len: 1348]
* Sequence Number: 1 (relative sequence number)
* Sequence Number (raw): 1522577104
* [Next Sequence Number: 1349 (relative sequence number)]
* Acknowledgment Number: 1 (relative ack number)
* Acknowledgment number (raw): 3419365570
* 1000 .... = Header Length: 32 bytes (8)
* Flags: 0x010 (ACK)
* Window: 2038
* [Calculated window size: 2038]
* [Window size scaling factor: -1 (unknown)]
* Checksum: 0xd3c2 [unverified]
* [Checksum Status: Unverified]
* Urgent Pointer: 0
* Options: (12 bytes), No-Operation (NOP), No-Operation (NOP), Timestamps
* [Timestamps]
* [SEQ/ACK analysis]
* TCP payload (1348 bytes)
* Transport Layer Security
*/
unsigned char data3[] = {
0x74, 0x4a, 0xa4, 0x0e, 0xf5, 0x1c, 0x60, 0xd7, 0x55, 0x62, 0xee, 0x70, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x05, 0x88, 0x11, 0xfc, 0x24, 0x09, 0x80, 0x34,
0x40, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x0a, 0x31, 0x24, 0x09, 0x80, 0x34, 0x40, 0x40, 0x53, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x04, 0x08, 0x68, 0x08, 0x68, 0x05, 0x88, 0xc8, 0xdf, 0x30, 0xff, 0x05, 0x78, 0x6c, 0x2a, 0x47, 0x53, 0x45, 0x00, 0x05, 0x78, 0x00, 0x03, 0x40, 0x00,
0x40, 0x06, 0x43, 0xbb, 0x0a, 0x31, 0x73, 0x8a, 0x79, 0xc4, 0xfa, 0x42, 0xc3, 0xa1, 0x01, 0xbb, 0x5a, 0xc0, 0xae, 0xd0, 0xcb, 0xcf, 0x60, 0xc2, 0x80, 0x10,
0x07, 0xf6, 0xd3, 0xc2, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x85, 0x14, 0x0e, 0xb0, 0xcc, 0x45, 0xf8, 0x5f, 0xef, 0x49, 0x45, 0xa0, 0xbe, 0x21, 0xd6, 0x46,
0x9f, 0xb5, 0x17, 0xb2, 0xfe, 0x61, 0x2d, 0xed, 0x4f, 0x0c, 0x1e, 0xb5, 0xda, 0x91, 0x40, 0x87, 0xab, 0x02, 0x0d, 0x01, 0xc8, 0xf1, 0x24, 0x05, 0x8a, 0x9d,
0x8d, 0xfc, 0xbb, 0x82, 0x24, 0xf5, 0x7d, 0x2d, 0x10, 0x66, 0x30, 0x2a, 0xaa, 0x4a, 0x51, 0x8d, 0xe9, 0x9a, 0x65, 0xcf, 0x89, 0x0c, 0x9e, 0x0d, 0x82, 0xda,
0x5e, 0xd3, 0x98, 0xe3, 0x23, 0xf7, 0x5a, 0xd4, 0x88, 0x94, 0xd2, 0xdf, 0xbe, 0x44, 0x20, 0x2b, 0x21, 0x2d, 0x38, 0xca, 0x29, 0x5e, 0xa3, 0xb7, 0xbb, 0x34,
0x20, 0x42, 0x02, 0x71, 0x04, 0xda, 0xd2, 0xeb, 0xb8, 0x81, 0xa3, 0x48, 0xc8, 0x54, 0xad, 0x42, 0x35, 0xc4, 0x4f, 0x6b, 0x15, 0x50, 0x22, 0x3e, 0x26, 0xb3,
0xfc, 0x30, 0x49, 0x71, 0x6f, 0x41, 0x66, 0xa2, 0x2e, 0xe9, 0xd3, 0x1a, 0x69, 0xa8, 0x87, 0x71, 0x65, 0xa2, 0xc7, 0xc7, 0x2b, 0x25, 0x1d, 0x3f, 0xfb, 0xe6,
0x05, 0xe1, 0x09, 0xb9, 0x76, 0x1d, 0xb9, 0xf9, 0xaf, 0xb4, 0x79, 0xa1, 0x35, 0x05, 0x59, 0x88, 0xa0, 0x07, 0xb5, 0x2d, 0x02, 0x11, 0x0a, 0x89, 0xf1, 0x67,
0xdb, 0xe5, 0x5c, 0x5c, 0xaa, 0x0e, 0x21, 0xa6, 0xa4, 0x1a, 0x9f, 0x9e, 0xc8, 0x2a, 0x36, 0x6f, 0xcc, 0xa3, 0x13, 0x78, 0xf1, 0xbe, 0x34, 0xa0, 0x35, 0xef,
0x1f, 0xf4, 0x79, 0xcb, 0x37, 0x3e, 0x77, 0x14, 0xfb, 0x2e, 0x21, 0x4f, 0x6b, 0xe5, 0xe9, 0x3a, 0x90, 0x76, 0xa8, 0x55, 0x09, 0xb6, 0x68, 0xbf, 0x66, 0xae,
0xf1, 0x55, 0xc0, 0x76, 0x8f, 0x16, 0x86, 0x49, 0x9a, 0x88, 0x01, 0xdb, 0x78, 0x1f, 0xde, 0xc2, 0x33, 0x92, 0xe3, 0x22, 0xc6, 0x8c, 0x20, 0x17, 0xa0, 0xb2,
0x79, 0xf4, 0x60, 0x8e, 0x98, 0x53, 0xcd, 0x8f, 0xb2, 0x8f, 0x80, 0xda, 0x9f, 0xf6, 0x00, 0x0c, 0xf8, 0x6b, 0xdf, 0x7d, 0x93, 0x48, 0x5a, 0x23, 0x35, 0x0e,
0x1b, 0xf7, 0x50, 0x87, 0x93, 0x29, 0xaa, 0xa1, 0xb8, 0x98, 0x9f, 0x89, 0xb2, 0x0a, 0x02, 0x27, 0x95, 0x01, 0x84, 0x5a, 0x09, 0xb8, 0xff, 0x23, 0x02, 0x89,
0xef, 0x1b, 0x64, 0xb2, 0x38, 0x81, 0xc4, 0x36, 0xe3, 0xda, 0xb5, 0x3b, 0x80, 0x45, 0x52, 0x96, 0xab, 0x0e, 0xdb, 0xb6, 0x9c, 0xcb, 0xc4, 0xe5, 0xb9, 0x72,
0x67, 0x57, 0x4b, 0xb9, 0x55, 0xcb, 0x6b, 0xc4, 0xec, 0x46, 0x4d, 0xa3, 0xe0, 0xda, 0xba, 0x70, 0x3d, 0xa6, 0xa7, 0x3f, 0x58, 0xd2, 0x9f, 0xb0, 0x11, 0x66,
0xaf, 0x73, 0x09, 0x60, 0x6e, 0xe0, 0x71, 0xa5, 0x65, 0x41, 0x28, 0x3e, 0x70, 0x1d, 0x25, 0x77, 0x6a, 0x4e, 0xed, 0xb9, 0x27, 0x6c, 0xf0, 0xba, 0x54, 0x8d,
0x77, 0xfb, 0xb6, 0x4e, 0xe2, 0xab, 0x8f, 0xe3, 0xd4, 0x02, 0x65, 0x0a, 0x49, 0xf3, 0xf9, 0xc7, 0x09, 0x76, 0x81, 0xf4, 0xf8, 0x3e, 0x1f, 0x74, 0x30, 0xaf,
0x3b, 0x9e, 0x97, 0x00, 0xde, 0xd8, 0x9a, 0xaf, 0xcc, 0x72, 0xeb, 0x0a, 0xe7, 0xab, 0xc1, 0x53, 0x62, 0x3f, 0x08, 0xba, 0x43, 0x06, 0x13, 0x0a, 0x3b, 0x5c,
0xb4, 0xe0, 0xc8, 0xa6, 0x41, 0x45, 0xaa, 0x1a, 0xc9, 0x88, 0x86, 0x31, 0x25, 0x02, 0x4a, 0x76, 0x66, 0xb6, 0x6d, 0xff, 0x50, 0x1d, 0x3c, 0xf3, 0x2d, 0xfe,
0x7b, 0xb2, 0x75, 0x5d, 0x9a, 0x9a, 0xe5, 0x39, 0x31, 0x4f, 0x7b, 0xa5, 0x6f, 0x94, 0xed, 0x31, 0xd4, 0x61, 0xc7, 0x44, 0x1d, 0x37, 0x19, 0x76, 0x04, 0x0e,
0xbd, 0xc4, 0x9e, 0xe3, 0xdf, 0x94, 0x49, 0x32, 0x65, 0xd0, 0x37, 0x64, 0xb5, 0x2a, 0x61, 0x2d, 0x05, 0xc5, 0xe5, 0x79, 0x3e, 0xcf, 0x5f, 0x77, 0x0a, 0x7c,
0x29, 0x34, 0x1a, 0x45, 0x7e, 0x11, 0x68, 0xb4, 0x3a, 0xf6, 0x5b, 0x23, 0xe4, 0x32, 0xa4, 0x11, 0x1a, 0xba, 0xd6, 0x4a, 0x45, 0x42, 0x29, 0xac, 0xb0, 0x17,
0x05, 0x1b, 0xee, 0xf6, 0x52, 0x6d, 0x8b, 0xb4, 0x3b, 0x63, 0xe2, 0xca, 0xbf, 0x7e, 0xd3, 0xf7, 0x96, 0x75, 0x67, 0x9d, 0x27, 0x15, 0x39, 0xde, 0x5f, 0x66,
0x74, 0x7c, 0x46, 0x01, 0x48, 0xf7, 0x99, 0x33, 0x7d, 0xc6, 0x81, 0xc4, 0x82, 0x09, 0x00, 0x20, 0x3f, 0x5c, 0xe4, 0x51, 0x88, 0x5b, 0xac, 0x31, 0x17, 0x04,
0xa4, 0xac, 0xbf, 0x3d, 0xff, 0xad, 0x51, 0x07, 0x0b, 0xc7, 0x26, 0xa7, 0x9f, 0x83, 0x17, 0xd8, 0x2f, 0x6a, 0x47, 0x96, 0x14, 0x47, 0x68, 0xd4, 0xc0, 0xc0,
0x3b, 0x87, 0x51, 0x30, 0xe9, 0xfa, 0x21, 0x46, 0x80, 0x1a, 0x5a, 0xef, 0x78, 0xd0, 0x3a, 0xac, 0x73, 0x1e, 0x39, 0xba, 0x82, 0x43, 0x5d, 0xef, 0x15, 0x2c,
0x9a, 0xe5, 0xeb, 0x6a, 0xe7, 0x24, 0x12, 0xe6, 0x2a, 0xd2, 0x09, 0xc2, 0x85, 0x69, 0x9d, 0x73, 0x16, 0xb0, 0xad, 0x51, 0xf8, 0x3d, 0x94, 0x6b, 0xb7, 0xb3,
0x7f, 0xb4, 0x9e, 0xc1, 0xdc, 0x31, 0x27, 0xa1, 0x2d, 0xfe, 0x30, 0x15, 0x04, 0x20, 0x82, 0xdc, 0xbd, 0x8b, 0xc5, 0xb4, 0xcf, 0x91, 0x85, 0xae, 0x21, 0x5e,
0x00, 0x10, 0x04, 0x62, 0x8a, 0xe2, 0x66, 0x74, 0xf8, 0x8d, 0x8b, 0x52, 0x17, 0xd9, 0x1a, 0xbd, 0x06, 0x2d, 0x07, 0x6a, 0xf5, 0x8b, 0xdf, 0x85, 0x2e, 0x36,
0xec, 0x15, 0x6f, 0x7e, 0xd2, 0x04, 0x43, 0x6a, 0xd7, 0x60, 0xf5, 0x53, 0x0d, 0x2e, 0x2d, 0xf5, 0x52, 0x4c, 0xcc, 0xe5, 0xf4, 0x47, 0xdd, 0x34, 0xda, 0xc1,
0xfc, 0x60, 0x00, 0xaa, 0x68, 0x01, 0x5c, 0x82, 0x4b, 0xf9, 0x57, 0x54, 0x9d, 0xd5, 0x8b, 0xb6, 0x42, 0x77, 0xd4, 0x47, 0x70, 0x23, 0x4c, 0xad, 0xc5, 0x00,
0x73, 0x9b, 0xbb, 0x65, 0xa7, 0x46, 0x74, 0xcd, 0x2e, 0x61, 0x0f, 0xac, 0xeb, 0x53, 0x5a, 0x87, 0x70, 0xfc, 0x5d, 0x2e, 0xa1, 0xe3, 0x9a, 0x87, 0x01, 0x0f,
0x2e, 0xef, 0x10, 0xe2, 0x82, 0xd8, 0x12, 0xe7, 0xb8, 0x94, 0xa4, 0xdd, 0x5f, 0xea, 0x21, 0x63, 0x26, 0x43, 0xec, 0xc3, 0x54, 0x76, 0xb1, 0xb2, 0x1c, 0x03,
0x4c, 0x5c, 0x22, 0xb5, 0x00, 0x7d, 0x77, 0x3a, 0xb6, 0xbf, 0x50, 0xbd, 0xfd, 0x0a, 0x31, 0x2c, 0xdc, 0xab, 0xe2, 0xc0, 0x0b, 0xb6, 0x66, 0xad, 0x9c, 0xca,
0x94, 0xed, 0xd8, 0x77, 0x1b, 0xf1, 0x94, 0xdd, 0x65, 0x61, 0xda, 0x7b, 0x04, 0x3c, 0x93, 0xcf, 0x96, 0x74, 0x35, 0x8e, 0x41, 0xe1, 0xa4, 0xbc, 0xf2, 0x4f,
0xe9, 0xb8, 0x16, 0x55, 0x05, 0x5a, 0xac, 0x10, 0xd3, 0xdf, 0xea, 0x6a, 0xf8, 0xe0, 0xf3, 0xdf, 0x66, 0x00, 0xab, 0x3d, 0xb9, 0x44, 0x65, 0x34, 0x49, 0x89,
0xf2, 0x1d, 0x09, 0xc9, 0xfc, 0xa5, 0x84, 0xa1, 0x03, 0x5b, 0x7a, 0x5c, 0x7e, 0x21, 0xe9, 0xb4, 0x3a, 0x4c, 0x2b, 0x94, 0x64, 0x1d, 0x9b, 0xa5, 0xbf, 0x7e,
0x1c, 0x97, 0x7e, 0x3d, 0xbe, 0x84, 0xfc, 0xab, 0x6d, 0x2a, 0x50, 0x23, 0x9e, 0x11, 0x3f, 0xe2, 0xa0, 0x68, 0xe7, 0xd5, 0xba, 0x5e, 0x24, 0x8c, 0x4c, 0x46,
0xe6, 0x5b, 0x10, 0xc3, 0x82, 0x32, 0x17, 0x32, 0xdc, 0xec, 0xaa, 0x1e, 0x73, 0xe5, 0x7d, 0xb8, 0x1c, 0x6c, 0x4c, 0x9f, 0x60, 0x7b, 0x66, 0x4c, 0x90, 0x69,
0xc4, 0x23, 0x66, 0x67, 0xce, 0x6d, 0x24, 0x1d, 0xcc, 0x8e, 0x78, 0xa1, 0xa7, 0xde, 0x87, 0x81, 0xac, 0x62, 0x54, 0xbc, 0x47, 0x82, 0x3c, 0xad, 0x92, 0x29,
0xd9, 0xc0, 0xed, 0x0c, 0x11, 0x0e, 0xc5, 0x75, 0xa4, 0xbd, 0xbf, 0xcb, 0x3a, 0xaf, 0x2b, 0x9f, 0xbe, 0xbb, 0xbc, 0x31, 0x07, 0xa7, 0xbe, 0x6c, 0xa9, 0x4e,
0xff, 0x35, 0x80, 0x2f, 0x09, 0x77, 0xe0, 0xc0, 0xdc, 0x9c, 0xc6, 0xa6, 0x63, 0xab, 0x47, 0x74, 0x5f, 0x5c, 0xae, 0x75, 0xbf, 0x42, 0x67, 0x55, 0x89, 0xcf,
0xd3, 0x65, 0x8d, 0x5b, 0x6f, 0x5c, 0xf9, 0xd1, 0x78, 0xa2, 0xfd, 0x4f, 0x54, 0x6a, 0x71, 0x0c, 0x58, 0x13, 0xb0, 0x48, 0x0a, 0x7b, 0xcc, 0x84, 0x61, 0xa7,
0x7d, 0x39, 0xa2, 0xd1, 0xc0, 0xdb, 0x8e, 0x97, 0x20, 0x86, 0x97, 0x20, 0xda, 0xca, 0x56, 0x78, 0x61, 0xc2, 0x2f, 0x36, 0xdb, 0x95, 0xae, 0x7e, 0x8d, 0x97,
0xcb, 0x45, 0x6a, 0x6d, 0x27, 0xaa, 0xab, 0x4e, 0x88, 0x23, 0xb6, 0x6a, 0x8a, 0xca, 0x71, 0xca, 0x39, 0xa2, 0x98, 0x0d, 0x53, 0xa9, 0x38, 0xd5, 0x9c, 0x5d,
0x0e, 0x5e, 0xc9, 0xeb, 0x21, 0xab, 0x00, 0xca, 0xff, 0x92, 0x20, 0x9d, 0x65, 0x9d, 0x8d, 0x49, 0x46, 0xbe, 0x51, 0x97, 0xc1, 0x61, 0x02, 0x9e, 0xa8, 0xb9,
0x2c, 0x27, 0x7d, 0x73, 0xf9, 0x12, 0x16, 0x45, 0x25, 0xbb, 0xb0, 0x51, 0x14, 0x18, 0x07, 0xab, 0xc7, 0x06, 0xc0, 0xe9, 0x1c, 0xf8, 0x6d, 0xe1, 0x80, 0x21,
0x21, 0x68, 0x24, 0xf7, 0x28, 0xb9, 0x07, 0xd4, 0xd7, 0xdf, 0x3e, 0xff, 0xbc, 0xe3, 0xbc, 0x6e, 0x42, 0x76, 0x63, 0xbc, 0x82, 0x0a, 0xf5, 0x99, 0x65, 0x17,
0xd2, 0x38, 0xa9, 0xa8, 0x31, 0xce, 0x1f, 0xf7, 0xef, 0x8d, 0x94, 0xae, 0x99, 0x50, 0x30, 0x12, 0xbd, 0x4b, 0x65, 0x56, 0x59, 0xfb, 0x33, 0x7b, 0x99, 0xc7,
0xe5, 0x80, 0xe6, 0x92, 0x0e, 0x44, 0x1d, 0x17, 0xc2, 0xd0, 0x78, 0x76, 0x9d, 0x5b, 0x7d, 0x3c, 0xb4, 0xf8, 0xcb, 0x2f, 0x83, 0x23, 0x35, 0x49, 0xc0, 0x78,
0x2d, 0x44, 0x05, 0x64, 0x0f, 0xaa, 0x84, 0x9d, 0x3f, 0xac, 0xef, 0x5b, 0x46, 0x44, 0xb8, 0x15, 0xbe, 0x4f, 0xe7, 0x25, 0xb7, 0xa0, 0xc8, 0x0f, 0x70, 0x1a,
0xca, 0x7f, 0xce, 0x79, 0x7b, 0xf5, 0x7e, 0x21, 0x35, 0xc7, 0x0e, 0x99, 0xdc, 0x76, 0xe0, 0x36, 0x09, 0x6e, 0x6d, 0x5f, 0x98, 0x5e, 0xb8, 0xa4, 0x88, 0xea,
0x0b, 0x4b, 0x21, 0xa2, 0x52, 0x86, 0x95, 0x4e, 0x18, 0xac, 0xa2, 0xaf, 0x29, 0x5b, 0xe7, 0x05, 0xa1, 0xc8, 0xe1, 0x80, 0xfa, 0xb6, 0x5a, 0xed, 0x94, 0x32,
0x4f, 0xe9, 0xf5, 0xf0, 0x61, 0x5d, 0x7f, 0xc4, 0xc4, 0xd1, 0x05, 0x54, 0x13, 0xdb};
/*
* imitate_tcp_packet()
* -> ETH->IPv6->UDP->GTP->IPv4->TCP
* -> with TCP payload
*/
#if 1
TEST(PACKET_BUILD_TCP, ETH_IP6_UDP_GTP_IP4_TCP)
{
struct packet orig_pkt;
memset(&orig_pkt, 0, sizeof(orig_pkt));
packet_parse(&orig_pkt, (const char *)data3, sizeof(data3));
PRINT_GREEN("origin packet:");
packet_print(&orig_pkt);
struct packet *new_pkt = imitate_tcp_packet(&orig_pkt, 1, 2, TH_ACK, NULL, 0, "Hello", 5);
EXPECT_TRUE(new_pkt != nullptr);
PRINT_GREEN("new packet:");
packet_print(new_pkt);
packet_dump_hex(new_pkt, STDOUT_FILENO);
packet_dump_pcap(new_pkt, "imitate-eth-ipv6-udp-gtp-ipv4-tcp.pcap");
const char *orig_pkt_data = packet_get_raw_data(&orig_pkt);
uint16_t orig_pkt_len = packet_get_raw_len(&orig_pkt);
const char *new_pkt_data = packet_get_raw_data(new_pkt);
uint16_t new_pkt_len = packet_get_raw_len(new_pkt);
EXPECT_TRUE(orig_pkt_len - 12 - 1348 == // trim TCP options, TCP payload
new_pkt_len - 5); // trim TCP payload
struct layer layer;
PACKET_FOREACH_LAYER_INORDER(new_pkt, layer)
{
if (layer.proto == LAYER_PROTO_IPV6)
{
const struct ip6_hdr *ip6 = (struct ip6_hdr *)layer.hdr.raw;
EXPECT_TRUE(ip6_hdr_get_payload_len(ip6) == 61);
break;
}
if (layer.proto == LAYER_PROTO_UDP)
{
const struct udphdr *udp = (struct udphdr *)layer.hdr.raw;
EXPECT_TRUE(udp_hdr_get_total_len(udp) == 61);
break;
}
if (layer.proto == LAYER_PROTO_GTP_U)
{
EXPECT_TRUE(peek_gtp_version(layer.hdr.raw, layer.hdr_len) == 1);
const struct gtp1_hdr *gtp1 = (struct gtp1_hdr *)layer.hdr.raw;
EXPECT_TRUE(gtp1_hdr_get_msg_len(gtp1) == 45);
break;
}
if (layer.proto == LAYER_PROTO_IPV4)
{
const struct ip *ip = (struct ip *)layer.hdr.raw;
EXPECT_TRUE(ip4_hdr_get_total_len(ip) == 45);
break;
}
if (layer.proto == LAYER_PROTO_TCP)
{
const struct tcphdr *tcp = (struct tcphdr *)layer.hdr.raw;
EXPECT_TRUE(tcp_hdr_get_seq(tcp) == 1);
EXPECT_TRUE(tcp_hdr_get_ack(tcp) == 2);
EXPECT_TRUE(tcp_hdr_get_flags(tcp) == TH_ACK);
EXPECT_TRUE(tcp_hdr_get_hdr_len(tcp) == 20);
break;
}
}
for (uint16_t i = 0; i < new_pkt_len - 5; i++)
{
if ((18 <= i && i <= 19) || // skip IPv6 payload length
i == 20) // skip IPv6 hop limit
{
continue;
}
if ((38 <= i && i <= 39) || // skip UDP length
(40 <= i && i <= 41)) // skip UDP checksum
{
continue;
}
if ((44 <= i && i <= 45)) // skip gtp length
{
continue;
}
if ((72 <= i && i <= 73) || // skip IPv4 total length
(74 <= i && i <= 75) || // skip IPv4 identification
i == 78 || // skip IPv4 TTL
(80 <= i && i <= 81)) // skip IPv4 checksum
{
continue;
}
if ((94 <= i && i <= 98) || // skip TCP seq
(99 <= i && i <= 103) || // skip TCP ack
i == 104 || // skip TCP data offset
i == 105 || // skip TCP flags
(106 <= i && i <= 107) || // skip TCP window
(108 <= i && i <= 109)) // skip TCP checksum
{
continue;
}
// printf(("idx: %d, orig: %02x, new: %02x\n"), i, orig_pkt_data[i], new_pkt_data[i]);
EXPECT_TRUE(orig_pkt_data[i] == new_pkt_data[i]);
}
}
#endif
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
::testing::InitGoogleTest(&argc, argv); ::testing::InitGoogleTest(&argc, argv);