Add test case: inject IPv4 based TCP payload packet after recv S2C first payload

test/CMakeLists.txt

@@ -17,12 +17,16 @@ target_link_libraries(gtest_inject_tcp_rst_after_recv_s2c_first_payload libpacke
 add_executable(gtest_inject_tcp_payload_after_recv_c2s_first_payload gtest_inject_tcp_payload_after_recv_c2s_first_payload.cpp)
 target_link_libraries(gtest_inject_tcp_payload_after_recv_c2s_first_payload libpacket_injector)
 
+add_executable(gtest_inject_tcp_payload_after_recv_s2c_first_payload gtest_inject_tcp_payload_after_recv_s2c_first_payload.cpp)
+target_link_libraries(gtest_inject_tcp_payload_after_recv_s2c_first_payload libpacket_injector)
+
 include(GoogleTest)
 gtest_discover_tests(gtest_inject_tcp_rst_after_recv_syn_ack)
 gtest_discover_tests(gtest_inject_tcp_rst_after_recv_sub_ack)
 gtest_discover_tests(gtest_inject_tcp_rst_after_recv_c2s_first_payload)
 gtest_discover_tests(gtest_inject_tcp_rst_after_recv_s2c_first_payload)
 gtest_discover_tests(gtest_inject_tcp_payload_after_recv_c2s_first_payload)
+gtest_discover_tests(gtest_inject_tcp_payload_after_recv_s2c_first_payload)
 
 add_executable(packet_injector packet_injector.cpp)
 target_link_libraries(packet_injector core gtest)

test/README.md

@@ -40,4 +40,5 @@ curl -v http://http.badssl.selftest.gdnt-cloud.website --resolve "http.badssl.se
 | tcp-rst     | c2s-packet  | 2           | After recv Sub-ACK           | Success     |
 | tcp-rst     | c2s-packet  | 3           | After recv C2S First-Payload | Success     |
 | tcp-rst     | s2c-packet  | 3           | After recv S2C First-payload | Success     |
-| tcp-payload | c2s-packet  | 3           | After recv C2S First-Payload | Success     |
+| tcp-payload | c2s-packet  | 3           | After recv C2S First-Payload | Success     |
+| tcp-payload | s2c-packet  | 3           | After recv S2C First-payload | Success     |

test/gtest_inject_tcp_payload_after_recv_s2c_first_payload.cpp

@@ -0,0 +1,62 @@
+#include <gtest/gtest.h>
+
+#include "packet_injector_test_frame.h"
+
+TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_S2C_FIRST_PAYLOAD)
+{
+    char current_dir[1024] = {0};
+    char work_dir[2048] = {0};
+    char input_dir[2048] = {0};
+    getcwd(current_dir, sizeof(current_dir));
+    snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_payload_after_recv_s2c_first_payload");
+    snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_payload_after_recv_s2c_first_payload/test/");
+
+    struct packet_injector_case test = {
+        // descriptor
+        .finish_clean_work_dir = 0,
+        .descriptor = "Inject IPv4 based TCP Payload after receiving S2C first payload packet.",
+        .work_dir = work_dir,
+
+        // prefix
+        .input_prefix = input_dir,
+
+        // input pcap
+        .input_pcap = "input.pcap",
+
+        // compare
+        .compares = {
+            {
+                .expect_pcap = "expect-192.0.2.110:80-192.0.2.213:48322-1.pcap",
+                .inject_pcap = "inject-192.0.2.110:80-192.0.2.213:48322-1.pcap",
+            },
+            {
+                .expect_pcap = "expect-192.0.2.110:80-192.0.2.213:48322-2.pcap",
+                .inject_pcap = "inject-192.0.2.110:80-192.0.2.213:48322-2.pcap",
+            },
+            {
+                .expect_pcap = "expect-192.0.2.110:80-192.0.2.213:48322-3.pcap",
+                .inject_pcap = "inject-192.0.2.110:80-192.0.2.213:48322-3.pcap",
+            },
+            {
+                .expect_pcap = "expect-192.0.2.213:48322-192.0.2.110:80-4.pcap",
+                .inject_pcap = "inject-192.0.2.213:48322-192.0.2.110:80-4.pcap",
+            },
+            {
+                .expect_pcap = NULL,
+                .inject_pcap = NULL,
+            },
+        },
+
+        // packet injector command
+        .packet_injector_cmd = {"./packet_injector", "-t", "tcp-payload", "-c", "s2c-packet", "-n", "3"},
+        .diff_skip_pattern = "-I frame.time -I frame.time_epoch -I ip.id -I ip.ttl -I ip.checksum -I tcp.checksum -I tcp.window_size",
+    };
+
+    packet_injector_test_frame_run(&test);
+}
+
+int main(int argc, char **argv)
+{
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}