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feature: add GTP utils, support overwrite message length of GTP header

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This commit is contained in:
luwenpeng
2024-07-09 11:17:03 +08:00
parent b435ec2ea1
commit c87ad330e0
28 changed files with 1676 additions and 648 deletions
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112
src/ip_reassembly/test/gtest_ipv4_reassembly.cpp
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@@ -248,20 +248,20 @@ TEST(IPV4_REASSEMBLE, PADDING_ORDER)
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_IPV4);
EXPECT_TRUE(layer);
struct ip *hdr = (struct ip *)layer->hdr_ptr;
EXPECT_TRUE(ipv4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ipv4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ipv4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ipv4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ipv4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ipv4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ipv4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ipv4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ipv4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ipv4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ipv4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_opt_data(hdr) == NULL);
EXPECT_TRUE(ip4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ip4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ip4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ip4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ip4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ip4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ip4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ip4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ip4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ip4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ip4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_opt_data(hdr) == NULL);
// check TCP
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_TCP);
@@ -343,20 +343,20 @@ TEST(IPV4_REASSEMBLE, PADDING_UNORDER)
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_IPV4);
EXPECT_TRUE(layer);
struct ip *hdr = (struct ip *)layer->hdr_ptr;
EXPECT_TRUE(ipv4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ipv4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ipv4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ipv4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ipv4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ipv4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ipv4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ipv4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ipv4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ipv4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ipv4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_opt_data(hdr) == NULL);
EXPECT_TRUE(ip4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ip4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ip4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ip4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ip4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ip4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ip4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ip4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ip4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ip4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ip4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_opt_data(hdr) == NULL);
// check TCP
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_TCP);
@@ -503,20 +503,20 @@ TEST(IPV4_REASSEMBLE, DUP_FIRST_FRAG)
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_IPV4);
EXPECT_TRUE(layer);
struct ip *hdr = (struct ip *)layer->hdr_ptr;
EXPECT_TRUE(ipv4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ipv4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ipv4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ipv4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ipv4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ipv4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ipv4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ipv4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ipv4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ipv4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ipv4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_opt_data(hdr) == NULL);
EXPECT_TRUE(ip4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ip4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ip4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ip4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ip4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ip4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ip4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ip4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ip4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ip4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ip4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_opt_data(hdr) == NULL);
// check TCP
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_TCP);
@@ -610,20 +610,20 @@ TEST(IPV4_REASSEMBLE, DUP_LAST_FRAG)
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_IPV4);
EXPECT_TRUE(layer);
struct ip *hdr = (struct ip *)layer->hdr_ptr;
EXPECT_TRUE(ipv4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ipv4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ipv4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ipv4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ipv4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ipv4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ipv4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ipv4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ipv4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ipv4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ipv4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ipv4_hdr_get_opt_data(hdr) == NULL);
EXPECT_TRUE(ip4_hdr_get_version(hdr) == 4);
EXPECT_TRUE(ip4_hdr_get_hdr_len(hdr) == 20 /* IPv4 */);
EXPECT_TRUE(ip4_hdr_get_tos(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_total_len(hdr) == 20 /* IPv4 */ + 20 /* TCP */ + 28 /* DATA */);
EXPECT_TRUE(ip4_hdr_get_ipid(hdr) == 0xffff);
EXPECT_TRUE(ip4_hdr_get_flags(hdr) == 0x0);
EXPECT_TRUE(ip4_hdr_get_frag_offset(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_ttl(hdr) == 127);
EXPECT_TRUE(ip4_hdr_get_proto(hdr) == 6);
EXPECT_TRUE(ip4_hdr_get_checksum(hdr) == 0x6d73); // NOTE this is correct checksum
EXPECT_TRUE(ip4_hdr_get_src_addr(hdr) == 0xc0a82467);
EXPECT_TRUE(ip4_hdr_get_dst_addr(hdr) == 0xc0a82889);
EXPECT_TRUE(ip4_hdr_get_opt_len(hdr) == 0);
EXPECT_TRUE(ip4_hdr_get_opt_data(hdr) == NULL);
// check TCP
layer = packet_get_innermost_raw_layer(new_pkt, LAYER_PROTO_TCP);