Optimize integration testing

- Add injection package plug-in
- Add libstellar_dynamic.so to facilitate unit testing of upper-level plug-ins
This commit is contained in:
luwenpeng
2024-05-28 10:26:29 +08:00
parent 54385ed08b
commit f82b85c979
86 changed files with 831 additions and 831 deletions

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@@ -1,42 +1,2 @@
add_library(libpacket_injector packet_injector.cpp packet_injector_test_frame.cpp)
target_include_directories(libpacket_injector PUBLIC ${CMAKE_CURRENT_LIST_DIR})
target_link_libraries(libpacket_injector core gtest)
add_executable(gtest_inject_tcp_rst_after_recv_syn_ack gtest_inject_tcp_rst_after_recv_syn_ack.cpp)
target_link_libraries(gtest_inject_tcp_rst_after_recv_syn_ack libpacket_injector)
add_executable(gtest_inject_tcp_rst_after_recv_sub_ack gtest_inject_tcp_rst_after_recv_sub_ack.cpp)
target_link_libraries(gtest_inject_tcp_rst_after_recv_sub_ack libpacket_injector)
add_executable(gtest_inject_tcp_rst_after_recv_c2s_first_payload gtest_inject_tcp_rst_after_recv_c2s_first_payload.cpp)
target_link_libraries(gtest_inject_tcp_rst_after_recv_c2s_first_payload libpacket_injector)
add_executable(gtest_inject_tcp_rst_after_recv_s2c_first_payload gtest_inject_tcp_rst_after_recv_s2c_first_payload.cpp)
target_link_libraries(gtest_inject_tcp_rst_after_recv_s2c_first_payload libpacket_injector)
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)
add_executable(gtest_inject_tcp_payload_fin_rst_after_recv_c2s_first_payload gtest_inject_tcp_payload_fin_rst_after_recv_c2s_first_payload.cpp)
target_link_libraries(gtest_inject_tcp_payload_fin_rst_after_recv_c2s_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)
gtest_discover_tests(gtest_inject_tcp_payload_fin_rst_after_recv_c2s_first_payload)
add_executable(packet_injector packet_injector.cpp)
target_link_libraries(packet_injector core gtest)
add_executable(packet_parser packet_parser.cpp)
target_link_libraries(packet_parser packet pcap)
file(COPY ./conf/ DESTINATION ./conf/)
file(COPY ./pcap/ DESTINATION ./pcap/)
add_subdirectory(packet_inject)
add_subdirectory(packet_parser)

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@@ -0,0 +1,30 @@
# build packet_injector
add_executable(packet_injector packet_inject_main.cpp packet_inject_plugin.cpp)
target_link_libraries(packet_injector "-rdynamic")
target_link_libraries(packet_injector stellar_devel)
# build libpacket_inject_plugin.so
add_library(packet_inject_plugin SHARED packet_inject_plugin.cpp)
target_include_directories(packet_inject_plugin PUBLIC ${CMAKE_SOURCE_DIR}/include/)
set_target_properties(packet_inject_plugin PROPERTIES LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/version.map")
# build gtest
function(packet_inject_add_case EXEC_NAME)
add_executable(${EXEC_NAME} ${EXEC_NAME}.cpp packet_inject_main.cpp packet_inject_plugin.cpp packet_inject_test.cpp)
target_link_libraries(${EXEC_NAME} "-rdynamic")
target_link_libraries(${EXEC_NAME} stellar_devel gtest)
gtest_discover_tests(${EXEC_NAME})
endfunction()
include(GoogleTest)
packet_inject_add_case(gtest_inject_tcp_rst_after_recv_syn_ack)
packet_inject_add_case(gtest_inject_tcp_rst_after_recv_sub_ack)
packet_inject_add_case(gtest_inject_tcp_rst_after_recv_c2s_first_payload)
packet_inject_add_case(gtest_inject_tcp_rst_after_recv_s2c_first_payload)
packet_inject_add_case(gtest_inject_tcp_payload_after_recv_c2s_first_payload)
packet_inject_add_case(gtest_inject_tcp_payload_after_recv_s2c_first_payload)
packet_inject_add_case(gtest_inject_tcp_payload_fin_rst_after_recv_c2s_first_payload)
file(COPY ./conf/ DESTINATION ./conf/)
file(COPY ./pcap/ DESTINATION ./pcap/)
file(COPY ./stellar_plugin/ DESTINATION ./stellar_plugin/)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_C2S_FIRST_PAYLOAD)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_C2S_FIRST_PAYLOAD)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_payload_after_recv_c2s_first_payload");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_payload_after_recv_c2s_first_payload/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP Payload after receiving C2S first payload packet.",
@@ -52,7 +52,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_C2S_FIRST_PAYLOAD)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_S2C_FIRST_PAYLOAD)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_S2C_FIRST_PAYLOAD)
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 = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP Payload after receiving S2C first payload packet.",
@@ -52,7 +52,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD, AFTER_RECV_S2C_FIRST_PAYLOAD)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_PAYLOAD_FIN_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD_FIN_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_payload_fin_rst_after_recv_c2s_first_payload");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_payload_fin_rst_after_recv_c2s_first_payload/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP Payload & FIN & RST after receiving C2S first payload packet.",
@@ -60,7 +60,7 @@ TEST(INJECT_IPV4_BASED_TCP_PAYLOAD_FIN_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_rst_after_recv_c2s_first_payload");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_rst_after_recv_c2s_first_payload/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP RST after receiving C2S first payload packet.",
@@ -44,7 +44,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_C2S_FIRST_PAYLOAD)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_S2C_FIRST_PAYLOAD)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_S2C_FIRST_PAYLOAD)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_rst_after_recv_s2c_first_payload");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_rst_after_recv_s2c_first_payload/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP RST after receiving S2C first payload packet.",
@@ -44,7 +44,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_S2C_FIRST_PAYLOAD)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SUB_ACK)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SUB_ACK)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_rst_after_recv_sub_ack");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_rst_after_recv_sub_ack/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP RST after receiving SUB-ACK packet.",
@@ -44,7 +44,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SUB_ACK)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -1,6 +1,6 @@
#include <gtest/gtest.h>
#include "packet_injector_test_frame.h"
#include "packet_inject_test.h"
TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SYN_ACK)
{
@@ -11,7 +11,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SYN_ACK)
snprintf(work_dir, sizeof(work_dir), "%s/%s", current_dir, "inject_ipv4_based_tcp_rst_after_recv_syn_ack");
snprintf(input_dir, sizeof(input_dir), "%s/%s", current_dir, "pcap/inject_ipv4_based_tcp_rst_after_recv_syn_ack/test/");
struct packet_injector_case test = {
struct packet_inject_case test = {
// descriptor
.finish_clean_work_dir = 0,
.descriptor = "Inject IPv4 based TCP RST after receiving SYN-ACK packet.",
@@ -44,7 +44,7 @@ TEST(INJECT_IPV4_BASED_TCP_RST, AFTER_RECV_SYN_ACK)
.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);
packet_inject_test(&test);
}
int main(int argc, char **argv)

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@@ -0,0 +1,166 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "stellar_priv.h"
#include "packet_inject_main.h"
struct packet_inject_rule rule = {0};
static void usage(char *cmd)
{
printf("Usage: %s [options]\n\n", cmd);
printf("Options:\n");
printf(" -h <ip> Host IP address\n");
printf(" -p <port> Port number\n");
printf(" -t <type> Type of manipulation\n");
printf(" Options: tcp-rst, tcp-fin, tcp-payload, tcp-payload-fin-rst, udp-payload, ctrl-msg\n");
printf(" -c <condition> Condition for manipulation\n");
printf(" Options: c2s-packet, s2c-packet\n");
printf(" -n <number> Number of packets received before injecting action\n\n");
printf("Example:\n");
printf(" %s -h 192.168.1.100 -p 8080 -t tcp-payload -c c2s-packet -n 5\n", cmd);
printf(" %s -h 2001:db8::1 -p 8080 -t tcp-rst -c s2c-packet -n 10\n", cmd);
printf("\n");
}
static int parse_cmd(int argc, char **argv)
{
int opt = 0;
const char *host = NULL;
const char *type = NULL;
const char *condition = NULL;
while ((opt = getopt(argc, argv, "h:p:t:c:n:")) != -1)
{
switch (opt)
{
case 'h':
host = optarg;
break;
case 'p':
rule.port = htons(atoi(optarg));
break;
case 't':
type = optarg;
break;
case 'c':
condition = optarg;
break;
case 'n':
rule.number = atoi(optarg);
break;
default:
usage(argv[0]);
break;
}
}
if (host)
{
if (inet_pton(AF_INET, host, &rule.v4) != 1)
{
if (inet_pton(AF_INET6, host, &rule.v6) != 1)
{
printf("unable to convert host %s to IPv4 / IPv6\n", host);
return -1;
}
else
{
rule.ip_type = 6;
}
}
else
{
rule.ip_type = 4;
}
}
if (type == NULL)
{
usage(argv[0]);
printf("invalid type\n");
return -1;
}
else if (strcmp(type, "tcp-rst") == 0)
{
rule.inject_type = INJECT_TYPE_TCP_RST;
}
else if (strcmp(type, "tcp-fin") == 0)
{
rule.inject_type = INJECT_TYPE_TCP_FIN;
}
else if (strcmp(type, "tcp-payload") == 0)
{
rule.inject_type = INJECT_TYPE_TCP_PAYLOAD;
}
else if (strcmp(type, "tcp-payload-fin-rst") == 0)
{
rule.inject_type = INJECT_TYPE_TCP_PAYLOAD_FIN_RST;
}
else if (strcmp(type, "udp-payload") == 0)
{
rule.inject_type = INJECT_TYPE_UDP_PAYLOAD;
}
else if (strcmp(type, "ctrl-msg") == 0)
{
rule.inject_type = INJECT_TYPE_CTRL_MSG;
}
else
{
usage(argv[0]);
printf("invalid type\n");
return -1;
}
if (condition == NULL)
{
usage(argv[0]);
printf("invalid condition\n");
return -1;
}
else if (strcmp(condition, "c2s-packet") == 0)
{
rule.direction = AFTER_RECV_C2S_N_PACKET;
}
else if (strcmp(condition, "s2c-packet") == 0)
{
rule.direction = AFTER_RECV_S2C_N_PACKET;
}
else
{
usage(argv[0]);
printf("invalid condition\n");
return -1;
}
if (rule.number <= 0)
{
usage(argv[0]);
printf("invalid count\n");
return -1;
}
printf("%s load inject rule:\n", argv[0]);
printf(" host : %s\n", host);
printf(" port : %d\n", ntohs(rule.port));
printf(" type : %s\n", type);
printf(" condition : %s\n", condition);
printf(" count : %lu\n\n", rule.number);
return 0;
}
int packet_inject_main(int argc, char **argv)
{
if (parse_cmd(argc, argv) != 0)
{
return -1;
}
return stellar_main(argc, argv);
}
int __attribute__((weak)) main(int argc, char **argv)
{
return packet_inject_main(argc, argv);
}

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@@ -0,0 +1,46 @@
#ifndef _PACKET_INJECT_MAIN_H
#define _PACKET_INJECT_MAIN_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <arpa/inet.h>
#define AFTER_RECV_C2S_N_PACKET 1
#define AFTER_RECV_S2C_N_PACKET 2
enum packet_inject_type
{
INJECT_TYPE_TCP_RST = 1,
INJECT_TYPE_TCP_FIN = 2,
INJECT_TYPE_TCP_PAYLOAD = 3,
INJECT_TYPE_TCP_PAYLOAD_FIN_RST = 4,
INJECT_TYPE_UDP_PAYLOAD = 5,
INJECT_TYPE_CTRL_MSG = 6,
};
struct packet_inject_rule
{
int ip_type;
struct in_addr v4; /* network order */
struct in6_addr v6; /* network order */
int port; /* network order */
enum packet_inject_type inject_type;
// inject packet after (C2S/S2C) receiving n packets
int direction; // AFTER_RECV_C2S_N_PACKET or AFTER_RECV_S2C_N_PACKET
uint64_t number; // n packets received
};
extern struct packet_inject_rule rule;
int packet_inject_main(int argc, char **argv);
#ifdef __cplusplus
}
#endif
#endif

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@@ -0,0 +1,146 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stellar/tuple.h"
#include "stellar/session_mq.h"
#include "packet_inject_main.h"
struct packet_inject_plugin_ctx
{
struct stellar *st;
int sess_plug_id;
int tcp_topic_id;
int udp_topic_id;
char name[64];
};
static void *on_sess_new(struct session *sess, void *plugin_ctx)
{
struct packet_inject_plugin_ctx *ctx = (struct packet_inject_plugin_ctx *)plugin_ctx;
printf("[%s] pluign handle session new: %s\n", ctx->name, session_get0_readable_addr(sess));
return NULL;
}
static void on_sess_free(struct session *sess, void *sess_ctx, void *plugin_ctx)
{
struct packet_inject_plugin_ctx *ctx = (struct packet_inject_plugin_ctx *)plugin_ctx;
printf("[%s] pluign handle session free: %s\n", ctx->name, session_get0_readable_addr(sess));
}
static void on_sess_msg(struct session *sess, int topic_id, const void *msg, void *sess_ctx, void *plugin_ctx)
{
struct packet_inject_plugin_ctx *ctx = (struct packet_inject_plugin_ctx *)plugin_ctx;
printf("[%s] pluign handle session msg: %s (C2S received packets: %lu, S2C received packets: %lu)\n",
ctx->name, session_get0_readable_addr(sess),
session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_RAW_PACKETS_RECEIVED),
session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_RAW_PACKETS_RECEIVED));
char buffer[1024] = {0};
// struct packet *pkt = (struct packet *)msg;
const struct tuple6 *tuple = session_get_tuple6(sess);
if (rule.ip_type == 4 &&
memcmp(&tuple->src_addr.v4, &rule.v4, sizeof(struct in_addr)) &&
memcmp(&tuple->dst_addr.v4, &rule.v4, sizeof(struct in_addr)))
{
return;
}
if (rule.ip_type == 6 &&
memcmp(&tuple->src_addr.v6, &rule.v6, sizeof(struct in6_addr)) &&
memcmp(&tuple->dst_addr.v6, &rule.v6, sizeof(struct in6_addr)))
{
return;
}
if (rule.port != 0 && tuple->src_port != rule.port && tuple->dst_port != rule.port)
{
return;
}
if (session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_INJECTED_PACKETS_SUCCESS) > 0 ||
session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_INJECTED_PACKETS_SUCCESS) > 0)
{
return;
}
if (rule.direction == AFTER_RECV_C2S_N_PACKET && session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_RAW_PACKETS_RECEIVED) != rule.number)
{
return;
}
if (rule.direction == AFTER_RECV_S2C_N_PACKET && session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_RAW_PACKETS_RECEIVED) != rule.number)
{
return;
}
switch (rule.inject_type)
{
case INJECT_TYPE_TCP_RST:
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_C2S);
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_S2C);
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_FIN:
stellar_inject_tcp_fin(ctx->st, sess, FLOW_DIRECTION_C2S);
stellar_inject_tcp_fin(ctx->st, sess, FLOW_DIRECTION_S2C);
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_PAYLOAD:
snprintf(buffer, sizeof(buffer), "HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n%s", 5 + 5 + 2, "Hello");
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_S2C, buffer, strlen(buffer)); // inject payload to client
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_S2C, "World\r\n", 7); // inject payload to client
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_S2C); // inject RST to client
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_C2S); // inject RST to server
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_PAYLOAD_FIN_RST:
snprintf(buffer, sizeof(buffer), "HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n%s", 5 + 5 + 2, "Hello");
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_S2C, buffer, strlen(buffer)); // inject payload to client
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_S2C, "World\r\n", 7); // inject payload to client
stellar_inject_tcp_fin(ctx->st, sess, FLOW_DIRECTION_S2C); // inject FIN to client
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_S2C); // inject RST to client
stellar_inject_tcp_fin(ctx->st, sess, FLOW_DIRECTION_C2S); // inject FIN to server
stellar_inject_tcp_rst(ctx->st, sess, FLOW_DIRECTION_C2S); // inject RST to server
session_set_discard(sess);
break;
case INJECT_TYPE_UDP_PAYLOAD:
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_C2S, "Hello Server", 12);
stellar_inject_payload(ctx->st, sess, FLOW_DIRECTION_S2C, "Hello Client", 12);
session_set_discard(sess);
break;
case INJECT_TYPE_CTRL_MSG:
// TOOD
break;
default:
break;
}
}
extern "C"
{
void *packet_inject_plugin_init(struct stellar *st)
{
struct packet_inject_plugin_ctx *ctx = (struct packet_inject_plugin_ctx *)calloc(1, sizeof(struct packet_inject_plugin_ctx));
if (ctx == NULL)
{
return NULL;
}
ctx->st = st;
ctx->sess_plug_id = stellar_session_plugin_register(st, on_sess_new, on_sess_free, ctx);
ctx->tcp_topic_id = stellar_session_mq_get_topic_id(st, TOPIC_TCP);
ctx->udp_topic_id = stellar_session_mq_get_topic_id(st, TOPIC_UDP);
snprintf(ctx->name, sizeof(ctx->name), "packet_inject");
stellar_session_mq_subscribe(st, ctx->tcp_topic_id, on_sess_msg, ctx->sess_plug_id);
stellar_session_mq_subscribe(st, ctx->udp_topic_id, on_sess_msg, ctx->sess_plug_id);
printf("[%s] plugin init\n", ctx->name);
return ctx;
}
void packet_inject_plugin_exit(void *plugin_ctx)
{
struct packet_inject_plugin_ctx *ctx = (struct packet_inject_plugin_ctx *)plugin_ctx;
if (ctx)
{
printf("[%s] plugin exit\n", ctx->name);
free(ctx);
}
}
}

View File

@@ -1,9 +1,20 @@
#include <gtest/gtest.h>
#include <stdarg.h>
#include <unistd.h>
#include <sys/stat.h>
#include "packet_injector_test_frame.h"
#include <gtest/gtest.h>
#include "packet_inject_test.h"
#include "packet_inject_main.h"
static int args_len(const char **args)
{
int i = 0;
while (args[i] != NULL)
{
i++;
}
return i;
}
static void system_cmd(const char *cmd, ...)
{
@@ -115,19 +126,8 @@ static void expect_cmp_inject(const char *expect_pcap_file, const char *inject_p
stat(diff_json_txt, &s);
EXPECT_TRUE(s.st_size == 0);
}
extern int packet_injector_main(int argc, char **argv);
static int args_len(const char **args)
{
int i = 0;
while (args[i] != NULL)
{
i++;
}
return i;
}
void packet_injector_test_frame_run(struct packet_injector_case *test)
void packet_inject_test(struct packet_inject_case *test)
{
printf("\033[32m ============================================= \033[0m\n");
printf("\033[32mTest: %s\033[0m\n", test->descriptor);
@@ -150,6 +150,8 @@ void packet_injector_test_frame_run(struct packet_injector_case *test)
}
system_cmd("cp %s/%s %s", test->input_prefix, test->input_pcap, dumpfile_dir);
system_cmd("cp -r conf %s/", test->work_dir);
system_cmd("cp -r stellar_plugin %s/", test->work_dir);
system_cmd("cp -r libpacket_inject_plugin.so %s/", test->work_dir);
// run packet injector
char cwd[2048] = {0};
@@ -159,7 +161,7 @@ void packet_injector_test_frame_run(struct packet_injector_case *test)
snprintf(temp, sizeof(temp), "dumpfile_dir = \"%s\"", dumpfile_dir);
EXPECT_TRUE(replace_file_string("./conf/stellar.toml", "mode = marsio", "mode = dumpfile") == 0);
EXPECT_TRUE(replace_file_string("./conf/stellar.toml", "dumpfile_dir = \"/tmp/dumpfile/\"", temp) == 0);
packet_injector_main(args_len(test->packet_injector_cmd), (char **)test->packet_injector_cmd);
packet_inject_main(args_len(test->packet_injector_cmd), (char **)test->packet_injector_cmd);
// compare pcap
for (int i = 0; i < MAX_COMPARISON; i++)

View File

@@ -1,5 +1,5 @@
#ifndef _PACKET_INJECTOR_TEST_FRAME_H
#define _PACKET_INJECTOR_TEST_FRAME_H
#ifndef _PACKET_INJECT_TEST_H
#define _PACKET_INJECT_TEST_H
#ifdef __cplusplus
extern "C"
@@ -8,32 +8,26 @@ extern "C"
#define MAX_COMPARISON 16
struct packet_injector_case
struct packet_inject_case
{
// descriptor
int finish_clean_work_dir;
const char *descriptor;
const char *work_dir;
// prefix
const char *input_prefix;
// input pcap
const char *input_pcap;
// compare
struct
{
const char *expect_pcap;
const char *inject_pcap;
} compares[MAX_COMPARISON];
// packet injector command
const char *packet_injector_cmd[16];
const char *diff_skip_pattern;
};
void packet_injector_test_frame_run(struct packet_injector_case *test);
void packet_inject_test(struct packet_inject_case *test);
#ifdef __cplusplus
}

View File

@@ -0,0 +1,4 @@
[[plugin]]
path = "./libpacket_inject_plugin.so"
init = "packet_inject_plugin_init"
exit = "packet_inject_plugin_exit"

View File

@@ -0,0 +1,7 @@
LIBPACKET_INJECT_PLUGIN {
global:
packet_inject_plugin_init;
packet_inject_plugin_exit;
local: *;
};

View File

@@ -1,465 +0,0 @@
#include <gtest/gtest.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>
#include <netinet/tcp.h>
#include "logo.h"
#include "times.h"
#include "config.h"
#include "id_generator.h"
#include "stellar_priv.h"
#include "session_priv.h"
#include "inject_priv.h"
#include "stellar/tuple.h"
#include "stellar/session_mq.h"
/******************************************************************************
* packet_injector
******************************************************************************/
enum condition
{
AFTER_RECV_C2S_N_PACKET = 1,
AFTER_RECV_S2C_N_PACKET = 2,
};
enum inject_type
{
INJECT_TYPE_TCP_RST = 1,
INJECT_TYPE_TCP_FIN = 2,
INJECT_TYPE_TCP_PAYLOAD = 3,
INJECT_TYPE_TCP_PAYLOAD_FIN_RST = 4,
INJECT_TYPE_UDP_PAYLOAD = 5,
INJECT_TYPE_CTRL_MSG = 6,
};
struct inject_rule
{
int ip_type;
struct in_addr v4; /* network order */
struct in6_addr v6; /* network order */
int port; /* network order */
enum inject_type inject_type;
enum condition count_dir;
uint64_t count_num;
} rule;
#define INJECT_PACKET_PLUGIN_LOG_DEBUG(format, ...) LOG_DEBUG("inject packet plugin", format, ##__VA_ARGS__)
static void usage(char *cmd)
{
printf("Usage: %s [options]\n\n", cmd);
printf("Options:\n");
printf(" -h <ip> Host IP address\n");
printf(" -p <port> Port number\n");
printf(" -t <type> Type of manipulation\n");
printf(" Options: tcp-rst, tcp-fin, tcp-payload, tcp-payload-fin-rst, udp-payload, ctrl-msg\n");
printf(" -c <condition> Condition for manipulation\n");
printf(" Options: c2s-packet, s2c-packet\n");
printf(" -n <number> Number of packets received before injecting action\n\n");
printf("Example:\n");
printf(" %s -h 192.168.1.100 -p 8080 -t tcp-payload -c c2s-packet -n 5\n", cmd);
printf(" %s -h 2001:db8::1 -p 8080 -t tcp-rst -c s2c-packet -n 10\n", cmd);
printf("\n");
}
static int packet_injector_on_init(int argc, char **argv, struct inject_rule *rule)
{
memset(rule, 0, sizeof(struct inject_rule));
int opt = 0;
const char *host = NULL;
const char *type = NULL;
const char *condition = NULL;
while ((opt = getopt(argc, argv, "h:p:t:c:n:")) != -1)
{
switch (opt)
{
case 'h':
host = optarg;
break;
case 'p':
rule->port = htons(atoi(optarg));
break;
case 't':
type = optarg;
break;
case 'c':
condition = optarg;
break;
case 'n':
rule->count_num = atoi(optarg);
break;
default:
usage(argv[0]);
break;
}
}
if (host)
{
if (inet_pton(AF_INET, host, &rule->v4) != 1)
{
if (inet_pton(AF_INET6, host, &rule->v6) != 1)
{
printf("unable to convert host %s to IPv4 / IPv6\n", host);
return -1;
}
else
{
rule->ip_type = 6;
}
}
else
{
rule->ip_type = 4;
}
}
if (type == NULL)
{
usage(argv[0]);
printf("invalid type\n");
return -1;
}
else if (strcmp(type, "tcp-rst") == 0)
{
rule->inject_type = INJECT_TYPE_TCP_RST;
}
else if (strcmp(type, "tcp-fin") == 0)
{
rule->inject_type = INJECT_TYPE_TCP_FIN;
}
else if (strcmp(type, "tcp-payload") == 0)
{
rule->inject_type = INJECT_TYPE_TCP_PAYLOAD;
}
else if (strcmp(type, "tcp-payload-fin-rst") == 0)
{
rule->inject_type = INJECT_TYPE_TCP_PAYLOAD_FIN_RST;
}
else if (strcmp(type, "udp-payload") == 0)
{
rule->inject_type = INJECT_TYPE_UDP_PAYLOAD;
}
else if (strcmp(type, "ctrl-msg") == 0)
{
rule->inject_type = INJECT_TYPE_CTRL_MSG;
}
else
{
usage(argv[0]);
printf("invalid type\n");
return -1;
}
if (condition == NULL)
{
usage(argv[0]);
printf("invalid condition\n");
return -1;
}
else if (strcmp(condition, "c2s-packet") == 0)
{
rule->count_dir = AFTER_RECV_C2S_N_PACKET;
}
else if (strcmp(condition, "s2c-packet") == 0)
{
rule->count_dir = AFTER_RECV_S2C_N_PACKET;
}
else
{
usage(argv[0]);
printf("invalid condition\n");
return -1;
}
if (rule->count_num <= 0)
{
usage(argv[0]);
printf("invalid count\n");
return -1;
}
printf("%s load inject rule:\n", argv[0]);
printf(" host : %s\n", host);
printf(" port : %d\n", ntohs(rule->port));
printf(" type : %s\n", type);
printf(" condition : %s\n", condition);
printf(" count : %lu\n\n", rule->count_num);
return 0;
}
static void packet_injector_on_msg(struct session *sess, int topic_id, const void *msg, void *per_session_ctx, void *plugin_env)
{
char buffer[1024] = {0};
struct inject_rule *p_rule = &rule;
// struct packet *pkt = (struct packet *)msg;
const struct tuple6 *tuple = session_get_tuple6(sess);
if (p_rule->ip_type == 4 &&
memcmp(&tuple->src_addr.v4, &p_rule->v4, sizeof(struct in_addr)) &&
memcmp(&tuple->dst_addr.v4, &p_rule->v4, sizeof(struct in_addr)))
{
return;
}
if (p_rule->ip_type == 6 &&
memcmp(&tuple->src_addr.v6, &p_rule->v6, sizeof(struct in6_addr)) &&
memcmp(&tuple->dst_addr.v6, &p_rule->v6, sizeof(struct in6_addr)))
{
return;
}
if (p_rule->port != 0 && tuple->src_port != p_rule->port && tuple->dst_port != p_rule->port)
{
return;
}
if (session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_INJECTED_PACKETS_SUCCESS) > 0 ||
session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_INJECTED_PACKETS_SUCCESS) > 0)
{
return;
}
if (p_rule->count_dir == AFTER_RECV_C2S_N_PACKET && session_get_stat(sess, FLOW_DIRECTION_C2S, STAT_RAW_PACKETS_RECEIVED) != p_rule->count_num)
{
return;
}
if (p_rule->count_dir == AFTER_RECV_S2C_N_PACKET && session_get_stat(sess, FLOW_DIRECTION_S2C, STAT_RAW_PACKETS_RECEIVED) != p_rule->count_num)
{
return;
}
switch (p_rule->inject_type)
{
case INJECT_TYPE_TCP_RST:
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_C2S) > 0);
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_S2C) > 0);
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_FIN:
EXPECT_TRUE(stellar_inject_tcp_fin(sess, FLOW_DIRECTION_C2S) > 0);
EXPECT_TRUE(stellar_inject_tcp_fin(sess, FLOW_DIRECTION_S2C) > 0);
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_PAYLOAD:
snprintf(buffer, sizeof(buffer), "HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n%s", 5 + 5 + 2, "Hello");
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_S2C, buffer, strlen(buffer)) > 0); // inject payload to client
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_S2C, "World\r\n", 7) > 0); // inject payload to client
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_S2C) > 0); // inject RST to client
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_C2S) > 0); // inject RST to server
session_set_discard(sess);
break;
case INJECT_TYPE_TCP_PAYLOAD_FIN_RST:
snprintf(buffer, sizeof(buffer), "HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n%s", 5 + 5 + 2, "Hello");
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_S2C, buffer, strlen(buffer)) > 0); // inject payload to client
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_S2C, "World\r\n", 7) > 0); // inject payload to client
EXPECT_TRUE(stellar_inject_tcp_fin(sess, FLOW_DIRECTION_S2C) > 0); // inject FIN to client
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_S2C) > 0); // inject RST to client
EXPECT_TRUE(stellar_inject_tcp_fin(sess, FLOW_DIRECTION_C2S) > 0); // inject FIN to server
EXPECT_TRUE(stellar_inject_tcp_rst(sess, FLOW_DIRECTION_C2S) > 0); // inject RST to server
session_set_discard(sess);
break;
case INJECT_TYPE_UDP_PAYLOAD:
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_C2S, "Hello Server", 12) > 0);
EXPECT_TRUE(stellar_inject_payload(sess, FLOW_DIRECTION_S2C, "Hello Client", 12) > 0);
session_set_discard(sess);
break;
case INJECT_TYPE_CTRL_MSG:
// TOOD
break;
default:
break;
}
}
static void *packet_injector_on_sess_new(struct session *sess, void *plugin_env)
{
return NULL;
}
static void packet_injector_on_sess_free(struct session *sess, void *ctx, void *plugin_env)
{
char buff[4096] = {0};
session_to_json(sess, buff, sizeof(buff));
INJECT_PACKET_PLUGIN_LOG_DEBUG("=> session: %s", buff);
}
/******************************************************************************
* main
******************************************************************************/
static const char *log_config_file = "./conf/log.toml";
static const char *stellar_config_file = "./conf/stellar.toml";
static void signal_handler(int signo)
{
if (signo == SIGINT)
{
STELLAR_LOG_STATE("SIGINT received, notify threads to exit !!!");
ATOMIC_SET(&runtime->need_exit, 1);
}
if (signo == SIGQUIT)
{
STELLAR_LOG_STATE("SIGQUIT received, notify threads to exit !!!");
ATOMIC_SET(&runtime->need_exit, 1);
}
if (signo == SIGTERM)
{
STELLAR_LOG_STATE("SIGTERM received, notify threads to exit !!!");
ATOMIC_SET(&runtime->need_exit, 1);
}
if (signo == SIGHUP)
{
STELLAR_LOG_STATE("SIGHUP received, reload log level !!!");
log_reload_level(log_config_file);
}
}
static int all_session_have_freed(void)
{
for (int i = 0; i < config->io_opts.nr_threads; i++)
{
struct session_manager *sess_mgr = runtime->threads[i].sess_mgr;
struct session_manager_stat *sess_stat = session_manager_stat(sess_mgr);
if (ATOMIC_READ(&sess_stat->curr_nr_tcp_sess_used) != 0)
{
return 0;
}
if (ATOMIC_READ(&sess_stat->curr_nr_udp_sess_used) != 0)
{
return 0;
}
}
return 1;
}
static int all_stat_have_output(void)
{
static int count = 0;
if (runtime->stat_last_output_ts == stellar_get_monotonic_time_msec())
{
count++;
}
return count == 2;
}
int packet_injector_main(int argc, char **argv)
{
if (packet_injector_on_init(argc, argv, &rule) != 0)
{
return -1;
}
stellar_update_time_cache();
struct stellar st = {runtime};
int sess_plug_id;
int tcp_topic_id;
int udp_topic_id;
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGHUP, signal_handler);
if (log_init(log_config_file) != 0)
{
STELLAR_LOG_ERROR("unable to init log");
goto error_out;
}
if (stellar_load_config(stellar_config_file, config) != 0)
{
STELLAR_LOG_ERROR("unable to load config file");
goto error_out;
}
stellar_print_config(config);
STELLAR_LOG_DEBUG("sizeof(struct session) = %lu bytes", sizeof(struct session));
if (id_generator_init(config->dev_opts.base, config->dev_opts.offset) != 0)
{
STELLAR_LOG_ERROR("unable to init id generator");
goto error_out;
}
runtime->stat = stellar_stat_new(config->io_opts.nr_threads);
if (runtime->stat == NULL)
{
STELLAR_LOG_ERROR("unable to create stellar stat");
goto error_out;
}
runtime->plug_mgr = plugin_manager_init(&st, "./stellar_plugin/spec.toml");
if (runtime->plug_mgr == NULL)
{
STELLAR_LOG_ERROR("unable to create plugin manager");
goto error_out;
}
runtime->packet_io = packet_io_new(&config->io_opts);
if (runtime->packet_io == NULL)
{
STELLAR_LOG_ERROR("unable to create packet io");
goto error_out;
}
sess_plug_id = stellar_session_plugin_register(&st, packet_injector_on_sess_new, packet_injector_on_sess_free, NULL);
tcp_topic_id = stellar_session_mq_get_topic_id(&st, TOPIC_TCP);
udp_topic_id = stellar_session_mq_get_topic_id(&st, TOPIC_UDP);
stellar_session_mq_subscribe(&st, tcp_topic_id, packet_injector_on_msg, sess_plug_id);
stellar_session_mq_subscribe(&st, udp_topic_id, packet_injector_on_msg, sess_plug_id);
if (stellar_thread_init(runtime, config) != 0)
{
STELLAR_LOG_ERROR("unable to init thread context");
goto error_out;
}
if (stellar_thread_run(runtime, config) != 0)
{
STELLAR_LOG_ERROR("unable to create worker thread");
goto error_out;
}
runtime->stat_last_output_ts = stellar_get_monotonic_time_msec();
while (!ATOMIC_READ(&runtime->need_exit))
{
stellar_update_time_cache();
if (stellar_get_monotonic_time_msec() - runtime->stat_last_output_ts > 2000)
{
runtime->stat_last_output_ts = stellar_get_monotonic_time_msec();
stellar_stat_output(runtime->stat);
}
usleep(1000); // 1ms
// Only available in dump file mode, automatically exits when all sessions have been released
if (packet_io_wait_exit(runtime->packet_io) && all_session_have_freed() && all_stat_have_output())
{
STELLAR_LOG_STATE("all sessions have been released and all stat have been output, notify threads to exit !!!");
ATOMIC_SET(&runtime->need_exit, 1);
}
}
error_out:
stellar_thread_join(runtime, config);
stellar_thread_clean(runtime, config);
packet_io_free(runtime->packet_io);
plugin_manager_exit(runtime->plug_mgr);
stellar_stat_free(runtime->stat);
STELLAR_LOG_STATE("stellar exit !!!\n");
log_free();
return 0;
}
int __attribute__((weak)) main(int argc, char **argv)
{
return packet_injector_main(argc, argv);
}

View File

@@ -0,0 +1,3 @@
# build packet_parser
add_executable(packet_parser packet_parser.cpp)
target_link_libraries(packet_parser packet pcap)