diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index ec8e47d..a0e3319 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -1,4 +1,4 @@ -add_library(common src/four_tuple.cpp src/session_table.cpp src/data_packet.cpp src/control_packet.cpp src/bfd.cpp src/utils.cpp src/g_vxlan.cpp src/log.cpp src/timestamp.cpp src/mpack.cpp) +add_library(common src/session_table.cpp src/packet.cpp src/control_packet.cpp src/bfd.cpp src/utils.cpp src/g_vxlan.cpp src/log.cpp src/timestamp.cpp src/mpack.cpp) target_link_libraries(common PUBLIC cjson) target_link_libraries(common PUBLIC MESA_handle_logger) diff --git a/common/include/data_packet.h b/common/include/data_packet.h deleted file mode 100644 index 85b64c2..0000000 --- a/common/include/data_packet.h +++ /dev/null @@ -1,92 +0,0 @@ -#ifndef _DATA_PACKET_H -#define _DATA_PACKET_H - -#ifdef __cpluscplus -extern "C" -{ -#endif - -#include - -enum layer_type -{ - // 数据链路层 - LAYER_TYPE_ETHER = 1 << 0, - LAYER_TYPE_PPP = 1 << 1, - LAYER_TYPE_HDLC = 1 << 2, - LAYER_TYPE_L2 = (LAYER_TYPE_ETHER | LAYER_TYPE_PPP | LAYER_TYPE_HDLC), - - // 数据链路层 -- 隧道 - LAYER_TYPE_VLAN = 1 << 3, - LAYER_TYPE_PPPOE = 1 << 4, - LAYER_TYPE_MPLS = 1 << 5, - LAYER_TYPE_L2_TUN = (LAYER_TYPE_VLAN | LAYER_TYPE_PPPOE | LAYER_TYPE_MPLS), - - // 网络层 - LAYER_TYPE_IPV4 = 1 << 6, - LAYER_TYPE_IPV6 = 1 << 7, - LAYER_TYPE_L3 = (LAYER_TYPE_IPV4 | LAYER_TYPE_IPV6), - - // 网络层 -- 隧道 - - // 传输层 - LAYER_TYPE_UDP = 1 << 8, - LAYER_TYPE_TCP = 1 << 9, - LAYER_TYPE_L4 = (LAYER_TYPE_UDP | LAYER_TYPE_TCP), - - // 传输层 -- 隧道 - LAYER_TYPE_G_VXLAN = 1 << 10, - LAYER_TYPE_GTPV1_U = 1 << 11, - - // ALL - LAYER_TYPE_ALL = (LAYER_TYPE_L2 | LAYER_TYPE_L2_TUN | LAYER_TYPE_L3 | LAYER_TYPE_L4 | LAYER_TYPE_G_VXLAN | LAYER_TYPE_GTPV1_U), - - // UNKNOWN - LAYER_TYPE_UNKNOWN, -}; - -enum ldbc_method -{ - LDBC_METHOD_HASH_INT_IP = 1, - LDBC_METHOD_HASH_EXT_IP = 2, - LDBC_METHOD_HASH_INT_IP_AND_EXT_IP = 3, - LDBC_METHOD_HASH_INNERMOST_INT_IP = 4, - LDBC_METHOD_HASH_INNERMOST_EXT_IP = 5, -}; - -struct layer_result -{ - uint16_t offset; - enum layer_type type; -}; - -struct data_packet -{ - struct layer_result layers[16]; - uint16_t layers_used; - uint16_t layers_size; - - const void *data_ptr; - uint64_t trace_id; -}; - -// return innermost payload -const void *data_packet_parse(struct data_packet *handler, const void *data, size_t length, uint64_t trace_id); - -// return 0 : success -// return -1 : error -int data_packet_get_innermost_four_tuple(struct data_packet *handler, struct four_tuple *addr); -int data_packet_get_outermost_four_tuple(struct data_packet *handler, struct four_tuple *addr); - -// return 0 : success -// return -1 : error -int data_packet_get_innermost_address(struct data_packet *handler, struct four_tuple *addr); -int data_packet_get_outermost_address(struct data_packet *handler, struct four_tuple *addr); - -uint64_t data_packet_get_hash(struct data_packet *handler, enum ldbc_method method, int dir_is_i2e); - -#ifdef __cpluscplus -} -#endif - -#endif diff --git a/common/include/four_tuple.h b/common/include/four_tuple.h deleted file mode 100644 index ac81dac..0000000 --- a/common/include/four_tuple.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _FOUR_TUPLE_H -#define _FOUR_TUPLE_H - -#ifdef __cpluscplus -extern "C" -{ -#endif - -#include - -enum addr_type -{ - ADDR_TYPE_V4, - ADDR_TYPE_V6, -}; - -struct addr_v4 -{ - struct in_addr src_addr; /* network order */ - struct in_addr dst_addr; /* network order */ -}; - -struct addr_v6 -{ - struct in6_addr src_addr; /* network order */ - struct in6_addr dst_addr; /* network order */ -}; - -struct four_tuple -{ - enum addr_type addr_type; - in_port_t src_port; /* network order */ - in_port_t dst_port; /* network order */ - union - { - struct addr_v4 addr_v4; - struct addr_v6 addr_v6; - }; -}; - -#define INIT_ADDR_V4(name, src_addr_str, src_port_num, dst_addr_str, dst_port_num) \ - struct four_tuple name; \ - memset(&name, 0, sizeof(name)); \ - (name).addr_type = ADDR_TYPE_V4; \ - (name).src_port = htons((src_port_num)); \ - (name).dst_port = htons((dst_port_num)); \ - inet_pton(AF_INET, (src_addr_str), &(name).addr_v4.src_addr); \ - inet_pton(AF_INET, (dst_addr_str), &(name).addr_v4.dst_addr); - -#define INIT_ADDR_V6(name, src_addr_str, src_port_num, dst_addr_str, dst_port_num) \ - struct four_tuple name; \ - memset(&name, 0, sizeof(name)); \ - (name).addr_type = ADDR_TYPE_V6; \ - (name).src_port = htons((src_port_num)); \ - (name).dst_port = htons((dst_port_num)); \ - inet_pton(AF_INET6, (src_addr_str), &(name).addr_v6.src_addr); \ - inet_pton(AF_INET6, (dst_addr_str), &(name).addr_v6.dst_addr); - -void four_tuple_copy(struct four_tuple *dst, struct four_tuple *src); -char *four_tuple_to_string(const struct four_tuple *addr); -void four_tuple_reverse(const struct four_tuple *orin, struct four_tuple *out); - -#ifdef __cpluscplus -} -#endif - -#endif diff --git a/common/include/packet.h b/common/include/packet.h new file mode 100644 index 0000000..db69b50 --- /dev/null +++ b/common/include/packet.h @@ -0,0 +1,108 @@ +#ifndef _PACKET_H +#define _PACKET_H + +#ifdef __cpluscplus +extern "C" +{ +#endif + +#include +#include +#include "tuple.h" + +enum layer_type +{ + // 数据链路层 + LAYER_TYPE_ETHER = 1 << 0, + LAYER_TYPE_PPP = 1 << 1, + LAYER_TYPE_HDLC = 1 << 2, + LAYER_TYPE_L2 = (LAYER_TYPE_ETHER | LAYER_TYPE_PPP | LAYER_TYPE_HDLC), + + // 数据链路层 -- 隧道 + LAYER_TYPE_VLAN = 1 << 3, + LAYER_TYPE_PPPOE = 1 << 4, + LAYER_TYPE_MPLS = 1 << 5, + LAYER_TYPE_L2_TUN = (LAYER_TYPE_VLAN | LAYER_TYPE_PPPOE | LAYER_TYPE_MPLS), + + // 网络层 + LAYER_TYPE_IPV4 = 1 << 6, + LAYER_TYPE_IPV6 = 1 << 7, + LAYER_TYPE_L3 = (LAYER_TYPE_IPV4 | LAYER_TYPE_IPV6), + + // 网络层 -- 隧道 + LAYER_TYPE_GRE = 1 << 8, + LAYER_TYPE_L3_TUN = (LAYER_TYPE_GRE), + + // 传输层 + LAYER_TYPE_UDP = 1 << 9, + LAYER_TYPE_TCP = 1 << 10, + LAYER_TYPE_L4 = (LAYER_TYPE_UDP | LAYER_TYPE_TCP), + + // 传输层 -- 隧道 + LAYER_TYPE_VXLAN = 1 << 11, + LAYER_TYPE_GTPV1_U = 1 << 12, + + // ALL + LAYER_TYPE_ALL = (LAYER_TYPE_L2 | LAYER_TYPE_L2_TUN | LAYER_TYPE_L3 | LAYER_TYPE_L3_TUN | LAYER_TYPE_L4 | LAYER_TYPE_VXLAN | LAYER_TYPE_GTPV1_U), +}; + +enum ldbc_method +{ + LDBC_METHOD_HASH_INT_IP = 1, + LDBC_METHOD_HASH_EXT_IP = 2, + LDBC_METHOD_HASH_INT_IP_AND_EXT_IP = 3, + LDBC_METHOD_HASH_INNERMOST_INT_IP = 4, + LDBC_METHOD_HASH_INNERMOST_EXT_IP = 5, +}; + +struct layer_record +{ + enum layer_type type; + const char *hdr_ptr; // header pointer + const char *pld_ptr; // payload pointer + uint16_t hdr_offset; // header offset from data_ptr + uint16_t hdr_len; // header length + uint16_t pld_len; // payload length +}; + +#define PACKET_MAX_LAYERS 16 +struct packet +{ + struct layer_record layers[PACKET_MAX_LAYERS]; + int8_t layers_used; + int8_t layers_size; + + const char *data_ptr; + uint16_t data_len; +}; + +#define PACKET_LOG_ERROR(format, ...) void(0) +#ifndef PACKET_LOG_ERROR +#define PACKET_LOG_ERROR(format, ...) \ + fprintf(stderr, "ERROR " format "\n", ##__VA_ARGS__); +#endif + +// return innermost payload +const char *packet_parse(struct packet *handler, const char *data, uint16_t len); +void packet_print(const struct packet *handler); + +// return 0 : found +// return -1 : not found +int packet_get_innermost_four_tuple(const struct packet *handler, struct four_tuple *tuple); +int packet_get_outermost_four_tuple(const struct packet *handler, struct four_tuple *tuple); + +// return 0 : found +// return -1 : not found +int packet_get_innermost_two_tuple(const struct packet *handler, struct two_tuple *tuple); +int packet_get_outermost_two_tuple(const struct packet *handler, struct two_tuple *tuple); + +const struct layer_record *packet_get_innermost_layer(const struct packet *handler, enum layer_type type); +const struct layer_record *packet_get_outermost_layer(const struct packet *handler, enum layer_type type); + +uint64_t packet_get_hash(const struct packet *handler, enum ldbc_method method, int dir_is_i2e); + +#ifdef __cpluscplus +} +#endif + +#endif diff --git a/common/include/session_table.h b/common/include/session_table.h index e92c1c5..5df6be6 100644 --- a/common/include/session_table.h +++ b/common/include/session_table.h @@ -10,7 +10,7 @@ extern "C" #include #include "uthash.h" -#include "four_tuple.h" +#include "tuple.h" // Note: session_addr must be initialized by memset(0) before use !!! diff --git a/common/include/tuple.h b/common/include/tuple.h new file mode 100644 index 0000000..0f88798 --- /dev/null +++ b/common/include/tuple.h @@ -0,0 +1,356 @@ +#ifndef _TUPLE_H +#define _TUPLE_H + +#ifdef __cpluscplus +extern "C" +{ +#endif + +#include +#include +#include + +enum address_type +{ + ADDR_TYPE_IPV4, + ADDR_TYPE_IPV6, +}; + +struct ipv4_address +{ + struct in_addr src; /* network order */ + struct in_addr dst; /* network order */ +}; + +struct ipv6_address +{ + struct in6_addr src; /* network order */ + struct in6_addr dst; /* network order */ +}; + +union ip_address +{ + struct ipv4_address ipv4; /* network order */ + struct ipv6_address ipv6; /* network order */ +}; + +struct two_tuple +{ + enum address_type type; + union ip_address addr; /* network order */ +}; + +struct four_tuple +{ + struct two_tuple two_tuple; + + in_port_t src_port; /* network order */ + in_port_t dst_port; /* network order */ +}; + +#define SET_HUMAN_READABLE_IPV4_TUPLE(tuple, src_addr_str, src_port, dst_addr_str, dst_port) \ + do \ + { \ + memset(tuple, 0, sizeof(struct four_tuple)); \ + two_tuple_set_ipv4_string(&(tuple)->two_tuple, src_addr_str, dst_addr_str); \ + four_tuple_set_port(tuple, htons(src_port), htons(dst_port)); \ + } while (0) + +#define SET_HUMAN_READABLE_IPV6_TUPLE(tuple, src_addr_str, src_port, dst_addr_str, dst_port) \ + do \ + { \ + memset(tuple, 0, sizeof(struct four_tuple)); \ + two_tuple_set_ipv6_string(&(tuple)->two_tuple, src_addr_str, dst_addr_str); \ + four_tuple_set_port(tuple, htons(src_port), htons(dst_port)); \ + } while (0) + +/****************************************************************************** + * two tuple + ******************************************************************************/ + +inline void two_tuple_set_ipv4_string(struct two_tuple *tuple, const char *src, const char *dst) +{ + memset(tuple, 0, sizeof(struct two_tuple)); + struct ipv4_address *ipv4 = &(tuple->addr.ipv4); + tuple->type = ADDR_TYPE_IPV4; + inet_pton(AF_INET, src, &ipv4->src); + inet_pton(AF_INET, dst, &ipv4->dst); +} + +inline void two_tuple_set_ipv6_string(struct two_tuple *tuple, const char *src, const char *dst) +{ + memset(tuple, 0, sizeof(struct two_tuple)); + struct ipv6_address *ipv6 = &(tuple->addr.ipv6); + tuple->type = ADDR_TYPE_IPV6; + inet_pton(AF_INET6, src, &ipv6->src); + inet_pton(AF_INET6, dst, &ipv6->dst); +} + +inline void two_tuple_set_ipv4_address(struct two_tuple *tuple, const struct in_addr *src, const struct in_addr *dst) +{ + memset(tuple, 0, sizeof(struct two_tuple)); + struct ipv4_address *ipv4 = &(tuple->addr.ipv4); + tuple->type = ADDR_TYPE_IPV4; + ipv4->src = *src; + ipv4->dst = *dst; +} + +inline void two_tuple_set_ipv6_address(struct two_tuple *tuple, const struct in6_addr *src, const struct in6_addr *dst) +{ + memset(tuple, 0, sizeof(struct two_tuple)); + struct ipv6_address *ipv6 = &(tuple->addr.ipv6); + tuple->type = ADDR_TYPE_IPV6; + ipv6->src = *src; + ipv6->dst = *dst; +} + +inline int two_tuple_get_address_length(const struct two_tuple *tuple) +{ + if (tuple->type == ADDR_TYPE_IPV4) + { + return sizeof(struct in_addr); + } + else + { + return sizeof(struct in6_addr); + } +} + +inline const char *two_tuple_get_src_address(const struct two_tuple *tuple) +{ + if (tuple->type == ADDR_TYPE_IPV4) + { + return (const char *)&(tuple->addr.ipv4.src); + } + else + { + return (const char *)&(tuple->addr.ipv6.src); + } +} + +inline const char *two_tuple_get_dst_address(const struct two_tuple *tuple) +{ + if (tuple->type == ADDR_TYPE_IPV4) + { + return (const char *)&(tuple->addr.ipv4.dst); + } + else + { + return (const char *)&(tuple->addr.ipv6.dst); + } +} + +inline void two_tuple_copy(struct two_tuple *dst, const struct two_tuple *src) +{ + memset(dst, 0, sizeof(struct two_tuple)); + dst->type = src->type; + + if (src->type == ADDR_TYPE_IPV4) + { + dst->addr.ipv4 = src->addr.ipv4; + } + else + { + dst->addr.ipv6 = src->addr.ipv6; + } +} + +inline int two_tuple_cmp(const struct two_tuple *tuple1, const struct two_tuple *tuple2) +{ + if (tuple1->type != tuple2->type) + { + return -1; + } + + if (tuple1->type == ADDR_TYPE_IPV4) + { + if (memcmp(&(tuple1->addr.ipv4.src), &(tuple2->addr.ipv4.src), sizeof(struct in_addr)) != 0) + { + return -1; + } + + if (memcmp(&(tuple1->addr.ipv4.dst), &(tuple2->addr.ipv4.dst), sizeof(struct in_addr)) != 0) + { + return -1; + } + + return 0; + } + else + { + if (memcmp(&(tuple1->addr.ipv6.src), &(tuple2->addr.ipv6.src), sizeof(struct in6_addr)) != 0) + { + return -1; + } + + if (memcmp(&(tuple1->addr.ipv6.dst), &(tuple2->addr.ipv6.dst), sizeof(struct in6_addr)) != 0) + { + return -1; + } + + return 0; + } +} + +inline void two_tuple_reverse(const struct two_tuple *orin, struct two_tuple *out) +{ + memset(out, 0, sizeof(struct two_tuple)); + + if (orin->type == ADDR_TYPE_IPV4) + { + out->type = ADDR_TYPE_IPV4; + struct ipv4_address *ipv4_out = &(out->addr.ipv4); + const struct ipv4_address *ipv4_orin = &(orin->addr.ipv4); + ipv4_out->src = ipv4_orin->dst; + ipv4_out->dst = ipv4_orin->src; + } + + if (orin->type == ADDR_TYPE_IPV6) + { + out->type = ADDR_TYPE_IPV6; + struct ipv6_address *ipv6_out = &(out->addr.ipv6); + const struct ipv6_address *ipv6_orin = &(orin->addr.ipv6); + ipv6_out->src = ipv6_orin->dst; + ipv6_out->dst = ipv6_orin->src; + } +} + +inline char *two_tuple_tostring(const struct two_tuple *tuple) +{ + char *str_ret = NULL; + + if (tuple->type == ADDR_TYPE_IPV4) + { + char src[INET_ADDRSTRLEN] = {0}; + char dst[INET_ADDRSTRLEN] = {0}; + inet_ntop(AF_INET, &tuple->addr.ipv4.src, src, sizeof(src)); + inet_ntop(AF_INET, &tuple->addr.ipv4.dst, dst, sizeof(dst)); + asprintf(&str_ret, "%s %s", src, dst); + } + + if (tuple->type == ADDR_TYPE_IPV6) + { + char src[INET6_ADDRSTRLEN] = {0}; + char dst[INET6_ADDRSTRLEN] = {0}; + inet_ntop(AF_INET6, &tuple->addr.ipv6.src, src, sizeof(src)); + inet_ntop(AF_INET6, &tuple->addr.ipv6.dst, dst, sizeof(dst)); + asprintf(&str_ret, "%s %s", src, dst); + } + + return str_ret; +} + +/****************************************************************************** + * four tuple + ******************************************************************************/ + +inline void four_tuple_set_ipv4_string(struct four_tuple *tuple, const char *src, const char *dst) +{ + two_tuple_set_ipv4_string(&(tuple->two_tuple), src, dst); +} + +inline void four_tuple_set_ipv6_string(struct four_tuple *tuple, const char *src, const char *dst) +{ + two_tuple_set_ipv6_string(&(tuple->two_tuple), src, dst); +} + +inline void four_tuple_set_ipv4_address(struct four_tuple *tuple, const struct in_addr *src, const struct in_addr *dst) +{ + two_tuple_set_ipv4_address(&(tuple->two_tuple), src, dst); +} + +inline void four_tuple_set_ipv6_address(struct four_tuple *tuple, const struct in6_addr *src, const struct in6_addr *dst) +{ + two_tuple_set_ipv6_address(&(tuple->two_tuple), src, dst); +} + +inline void four_tuple_set_port(struct four_tuple *tuple, const in_port_t src, const in_port_t dst) +{ + tuple->src_port = 0; + tuple->dst_port = 0; + tuple->src_port = src; + tuple->dst_port = dst; +} + +inline int four_tuple_get_address_length(const struct four_tuple *tuple) +{ + return two_tuple_get_address_length(&(tuple->two_tuple)); +} + +inline const char *four_tuple_get_src_address(const struct four_tuple *tuple) +{ + return two_tuple_get_src_address(&(tuple->two_tuple)); +} + +inline const char *four_tuple_get_dst_address(const struct four_tuple *tuple) +{ + return two_tuple_get_dst_address(&(tuple->two_tuple)); +} + +inline void four_tuple_copy(struct four_tuple *dst, const struct four_tuple *src) +{ + memset(dst, 0, sizeof(struct four_tuple)); + two_tuple_copy(&(dst->two_tuple), &(src->two_tuple)); + dst->src_port = src->src_port; + dst->dst_port = src->dst_port; +} + +inline int four_tuple_cmp(const struct four_tuple *tuple1, const struct four_tuple *tuple2) +{ + if (tuple1->src_port != tuple2->src_port) + { + return -1; + } + + if (tuple1->dst_port != tuple2->dst_port) + { + return -1; + } + + return two_tuple_cmp(&(tuple1->two_tuple), &(tuple2->two_tuple)); +} + +inline void four_tuple_reverse(const struct four_tuple *orin, struct four_tuple *out) +{ + memset(out, 0, sizeof(struct four_tuple)); + + out->src_port = orin->dst_port; + out->dst_port = orin->src_port; + + two_tuple_reverse(&(orin->two_tuple), &(out->two_tuple)); +} + +inline char *four_tuple_tostring(const struct four_tuple *tuple) +{ + char *str_ret = NULL; + + if (tuple->two_tuple.type == ADDR_TYPE_IPV4) + { + char src[INET_ADDRSTRLEN] = {0}; + char dst[INET_ADDRSTRLEN] = {0}; + uint16_t src_port = ntohs((uint16_t)tuple->src_port); + uint16_t dst_port = ntohs((uint16_t)tuple->dst_port); + inet_ntop(AF_INET, &tuple->two_tuple.addr.ipv4.src, src, sizeof(src)); + inet_ntop(AF_INET, &tuple->two_tuple.addr.ipv4.dst, dst, sizeof(dst)); + asprintf(&str_ret, "%s %u %s %u", src, src_port, dst, dst_port); + } + + if (tuple->two_tuple.type == ADDR_TYPE_IPV6) + { + char src[INET6_ADDRSTRLEN] = {0}; + char dst[INET6_ADDRSTRLEN] = {0}; + uint16_t src_port = ntohs((uint16_t)tuple->src_port); + uint16_t dst_port = ntohs((uint16_t)tuple->dst_port); + inet_ntop(AF_INET6, &tuple->two_tuple.addr.ipv6.src, src, sizeof(src)); + inet_ntop(AF_INET6, &tuple->two_tuple.addr.ipv6.dst, dst, sizeof(dst)); + asprintf(&str_ret, "%s %u %s %u", src, src_port, dst, dst_port); + } + + return str_ret; +} + +#ifdef __cpluscplus +} +#endif + +#endif diff --git a/common/src/data_packet.cpp b/common/src/data_packet.cpp deleted file mode 100644 index 5d19cff..0000000 --- a/common/src/data_packet.cpp +++ /dev/null @@ -1,955 +0,0 @@ -#include -#include -#include -#include - -#include -#include -#define __FAVOR_BSD 1 -#include -#include -#include - -#include "log.h" -#include "utils.h" -#include "uthash.h" -#include "four_tuple.h" -#include "data_packet.h" - -/****************************************************************************** - * Struct - ******************************************************************************/ - -struct vlan_hdr -{ - uint16_t vlan_cfi; - uint16_t protocol; -} __attribute__((__packed__)); - -struct vxlan_hdr -{ - uint8_t flags[2]; - uint16_t gdp; // group policy id - uint8_t vni[3]; - uint8_t reserved; -} __attribute__((__packed__)); - -struct gtp_hdr -{ -#if __BYTE_ORDER == __LITTLE_ENDIAN - unsigned char flags; - unsigned char msg_type; - unsigned short len; - unsigned int teid; -#elif __BYTE_ORDER == __BIG_ENDIAN - unsigned int teid; - unsigned short len; - unsigned char msg_type; - unsigned char flags; -#else -#error "Please check " -#endif -} __attribute__((__packed__)); - -#define GTP_HDR_VER_MASK (0xE0) -#define GTP_HDR_FLAG_N_PDU (0x01) -#define GTP_HDR_FLAG_SEQ_NUM (0x02) -#define GTP_HDR_FLAG_NEXT_EXT_HDR (0x04) - -/****************************************************************************** - * Static API - ******************************************************************************/ - -static const char *ldbc_method_to_string(enum ldbc_method ldbc_method); -static const char *layer_type_to_string(enum layer_type this_type); -static int data_packet_push_layer(struct data_packet *handler, enum layer_type type, uint16_t offset); -static void populate_four_tuple_from_layer(const void *data, enum layer_type layer_type, struct four_tuple *addr); - -// parser protocol -static uint16_t parse_gtphdr_len(const struct gtp_hdr *gtph); -static const void *parse_ether(struct data_packet *handler, const void *data, size_t length); -static const void *parse_ipv4(struct data_packet *handler, const void *data, size_t length); -static const void *parse_ipv6(struct data_packet *handler, const void *data, size_t length); -static const void *parse_tcp(struct data_packet *handler, const void *data, size_t length); -static const void *parse_udp(struct data_packet *handler, const void *data, size_t length); -static const void *parse_pppoe_ses(struct data_packet *handler, const void *data, size_t length); -static const void *parse_vxlan(struct data_packet *handler, const void *data, size_t length); -static const void *parse_vlan8021q(struct data_packet *handler, const void *data, size_t length); -static const void *parse_gtpv1_u(struct data_packet *handler, const void *data, size_t length); -static const void *parse_mpls(struct data_packet *handler, const void *data, size_t length); - -/****************************************************************************** - * Public API - ******************************************************************************/ - -// return innermost payload -const void *data_packet_parse(struct data_packet *handler, const void *data, size_t length, uint64_t trace_id) -{ - memset(handler, 0, sizeof(struct data_packet)); - - handler->layers_used = 0; - handler->layers_size = sizeof(handler->layers) / sizeof(handler->layers[0]); - handler->data_ptr = data; - handler->trace_id = trace_id; - - // TESTED - return parse_ether(handler, data, length); -} - -// return 0 : success -// return -1 : error -int data_packet_get_innermost_four_tuple(struct data_packet *handler, struct four_tuple *addr) -{ - const char *l3_layer_data = NULL; - const char *l4_layer_data = NULL; - const struct layer_result *l3_layer_result = NULL; - const struct layer_result *l4_layer_result = NULL; - - // search L4 layer and L3 layer in reverse order - for (int8_t i = handler->layers_used - 1; i >= 0; i--) - { - const struct layer_result *layer = &handler->layers[i]; - enum layer_type type = layer->type; - - LOG_DEBUG("%s: find innermost tuple4, trace_id: %lu, layer[%d/%d]: %s", LOG_TAG_RAWPKT, handler->trace_id, i, handler->layers_size, layer_type_to_string(type)); - - // first get L4 layer - if (type & LAYER_TYPE_L4) - { - l4_layer_result = layer; - continue; - } - - // second get L3 layer - if (type & LAYER_TYPE_L3) - { - l3_layer_result = layer; - break; - } - } - - if (l3_layer_result) - { - l3_layer_data = (const char *)handler->data_ptr + l3_layer_result->offset; - populate_four_tuple_from_layer(l3_layer_data, l3_layer_result->type, addr); - } - - if (l4_layer_result) - { - l4_layer_data = (const char *)handler->data_ptr + l4_layer_result->offset; - populate_four_tuple_from_layer(l4_layer_data, l4_layer_result->type, addr); - } - - if (l3_layer_result && l4_layer_result) - { - return 0; - } - else - { - return -1; - } -} - -// return 0 : success -// return -1 : error -int data_packet_get_outermost_four_tuple(struct data_packet *handler, struct four_tuple *addr) -{ - const char *l3_layer_data = NULL; - const char *l4_layer_data = NULL; - const struct layer_result *l3_layer_result = NULL; - const struct layer_result *l4_layer_result = NULL; - - // search L3 layer and L4 layer in order - for (int8_t i = 0; i <= handler->layers_used - 1; i++) - { - const struct layer_result *layer = &handler->layers[i]; - enum layer_type type = layer->type; - - LOG_DEBUG("%s: find outermost tuple4, trace_id: %lu, layer[%d/%d]: %s", LOG_TAG_RAWPKT, handler->trace_id, i, handler->layers_size, layer_type_to_string(type)); - - // first get L3 layer - if (type & LAYER_TYPE_L3) - { - l3_layer_result = layer; - continue; - } - - // second get L4 layer - if (type & LAYER_TYPE_L4) - { - l4_layer_result = layer; - break; - } - } - - if (l3_layer_result) - { - l3_layer_data = (const char *)handler->data_ptr + l3_layer_result->offset; - populate_four_tuple_from_layer(l3_layer_data, l3_layer_result->type, addr); - } - - if (l4_layer_result) - { - l4_layer_data = (const char *)handler->data_ptr + l4_layer_result->offset; - populate_four_tuple_from_layer(l4_layer_data, l4_layer_result->type, addr); - } - - if (l3_layer_result && l4_layer_result) - { - return 0; - } - else - { - return -1; - } -} - -// return 0 : success -// return -1 : error -int data_packet_get_innermost_address(struct data_packet *handler, struct four_tuple *addr) -{ - const char *l3_layer_data = NULL; - - // search L3 layer in reverse order - for (int8_t i = handler->layers_used - 1; i >= 0; i--) - { - const struct layer_result *layer = &handler->layers[i]; - enum layer_type type = layer->type; - - LOG_DEBUG("%s: find innermost address, trace_id: %lu, layer[%d/%d]: %s", LOG_TAG_RAWPKT, handler->trace_id, i, handler->layers_size, layer_type_to_string(type)); - if (type & LAYER_TYPE_L3) - { - l3_layer_data = (const char *)handler->data_ptr + layer->offset; - populate_four_tuple_from_layer(l3_layer_data, type, addr); - return 0; - } - } - - return -1; -} - -// return 0 : success -// return -1 : error -int data_packet_get_outermost_address(struct data_packet *handler, struct four_tuple *addr) -{ - const char *l3_layer_data = NULL; - - // search L3 layer in order - for (int8_t i = 0; i <= handler->layers_used - 1; i++) - { - const struct layer_result *layer = &handler->layers[i]; - enum layer_type type = layer->type; - - LOG_DEBUG("%s: find outermost address, trace_id: %lu, layer[%d/%d]: %s", LOG_TAG_RAWPKT, handler->trace_id, i, handler->layers_size, layer_type_to_string(type)); - if (type & LAYER_TYPE_L3) - { - l3_layer_data = (const char *)handler->data_ptr + layer->offset; - populate_four_tuple_from_layer(l3_layer_data, type, addr); - return 0; - } - } - - return -1; -} - -uint64_t data_packet_get_hash(struct data_packet *handler, enum ldbc_method method, int dir_is_i2e) -{ - uint64_t temp = 0; - uint64_t hash_value = 1; - - int inner_addr_len = 0; - int outer_addr_len = 0; - const char *inner_src_addr = NULL; - const char *inner_dst_addr = NULL; - const char *outer_src_addr = NULL; - const char *outer_dst_addr = NULL; - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - - if (handler == NULL) - { - return hash_value; - } - - if (data_packet_get_innermost_address(handler, &inner_addr) == -1) - { - return hash_value; - } - - if (data_packet_get_outermost_address(handler, &outer_addr) == -1) - { - return hash_value; - } - - if (inner_addr.addr_type == ADDR_TYPE_V4) - { - inner_src_addr = (const char *)&(inner_addr.addr_v4.src_addr); - inner_dst_addr = (const char *)&(inner_addr.addr_v4.dst_addr); - inner_addr_len = sizeof(inner_addr.addr_v4.dst_addr); - } - else - { - inner_src_addr = (const char *)&(inner_addr.addr_v6.src_addr); - inner_dst_addr = (const char *)&(inner_addr.addr_v6.dst_addr); - inner_addr_len = sizeof(inner_addr.addr_v6.dst_addr); - } - - if (outer_addr.addr_type == ADDR_TYPE_V4) - { - outer_src_addr = (const char *)&(outer_addr.addr_v4.src_addr); - outer_dst_addr = (const char *)&(outer_addr.addr_v4.dst_addr); - outer_addr_len = sizeof(outer_addr.addr_v4.dst_addr); - } - else - { - outer_src_addr = (const char *)&(outer_addr.addr_v6.src_addr); - outer_dst_addr = (const char *)&(outer_addr.addr_v6.dst_addr); - outer_addr_len = sizeof(outer_addr.addr_v6.dst_addr); - } - - switch (method) - { - case LDBC_METHOD_HASH_INT_IP: - if (dir_is_i2e) - { - // outer src ip - HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); - } - else - { - // outer dst ip - HASH_VALUE(outer_dst_addr, outer_addr_len, hash_value); - } - break; - case LDBC_METHOD_HASH_EXT_IP: - if (dir_is_i2e) - { - // outer dst ip - HASH_VALUE(outer_dst_addr, outer_addr_len, hash_value); - } - else - { - // outer src ip - HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); - } - break; - case LDBC_METHOD_HASH_INT_IP_AND_EXT_IP: - // outer dst ip ^ outer src ip - HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); - HASH_VALUE(outer_dst_addr, outer_addr_len, temp); - hash_value = hash_value ^ temp; - break; - case LDBC_METHOD_HASH_INNERMOST_INT_IP: - if (dir_is_i2e) - { - // innner src ip - HASH_VALUE(inner_src_addr, inner_addr_len, hash_value); - } - else - { - // innner dst ip - HASH_VALUE(inner_dst_addr, inner_addr_len, hash_value); - } - break; - case LDBC_METHOD_HASH_INNERMOST_EXT_IP: - if (dir_is_i2e) - { - // innner dst ip - HASH_VALUE(inner_dst_addr, inner_addr_len, hash_value); - } - else - { - // innner src ip - HASH_VALUE(inner_src_addr, inner_addr_len, hash_value); - } - break; - default: - return hash_value; - } - - char *inner_addr_str = four_tuple_to_string(&inner_addr); - char *outer_addr_str = four_tuple_to_string(&outer_addr); - LOG_DEBUG("%s: trace_id: %lu, outer_addr: %s, inner_addr: %s, is_internal: %d, hash_method: %s, hash_value: %lu", - LOG_TAG_RAWPKT, handler->trace_id, outer_addr_str, inner_addr_str, dir_is_i2e, ldbc_method_to_string(method), hash_value); - free(inner_addr_str); - free(outer_addr_str); - - return hash_value; -} - -/****************************************************************************** - * Private API - ******************************************************************************/ - -static const char *ldbc_method_to_string(enum ldbc_method ldbc_method) -{ - switch (ldbc_method) - { - case LDBC_METHOD_HASH_INT_IP: - return "outter_internal_ip"; - case LDBC_METHOD_HASH_EXT_IP: - return "outter_external_ip"; - case LDBC_METHOD_HASH_INT_IP_AND_EXT_IP: - return "outter_internal_ip_and_external_ip"; - case LDBC_METHOD_HASH_INNERMOST_INT_IP: - return "inner_internal_ip"; - case LDBC_METHOD_HASH_INNERMOST_EXT_IP: - return "inner_external_ip"; - default: - return "unknown"; - } -} - -static const char *layer_type_to_string(enum layer_type this_type) -{ - switch (this_type) - { - case LAYER_TYPE_ETHER: - return "ETHER"; - case LAYER_TYPE_PPP: - return "PPP"; - case LAYER_TYPE_HDLC: - return "HDLC"; - case LAYER_TYPE_VLAN: - return "VLAN"; - case LAYER_TYPE_PPPOE: - return "PPPOE"; - case LAYER_TYPE_MPLS: - return "MPLS"; - case LAYER_TYPE_IPV4: - return "IPV4"; - case LAYER_TYPE_IPV6: - return "IPV6"; - case LAYER_TYPE_UDP: - return "UDP"; - case LAYER_TYPE_TCP: - return "TCP"; - case LAYER_TYPE_G_VXLAN: - return "G_VXLAN"; - case LAYER_TYPE_GTPV1_U: - return "GTPV1_U"; - default: - return "UNKNOWN"; - } -} - -static int data_packet_push_layer(struct data_packet *handler, enum layer_type type, uint16_t offset) -{ - if (handler->layers_used >= handler->layers_size) - { - return -ENOMEM; - } - - handler->layers[handler->layers_used].offset = offset; - handler->layers[handler->layers_used].type = type; - handler->layers_used++; - - return 0; -} - -static void populate_four_tuple_from_layer(const void *data, enum layer_type layer_type, struct four_tuple *addr) -{ - const struct tcphdr *tcp_hdr = NULL; - const struct udp_hdr *udp_hdr = NULL; - const struct ip *ipv4_hdr = NULL; - const struct ip6_hdr *ipv6_hdr = NULL; - - switch (layer_type) - { - case LAYER_TYPE_TCP: - tcp_hdr = (const struct tcphdr *)data; - addr->src_port = tcp_hdr->th_sport; - addr->dst_port = tcp_hdr->th_dport; - break; - case LAYER_TYPE_UDP: - udp_hdr = (const struct udp_hdr *)data; - addr->src_port = udp_hdr->uh_sport; - addr->dst_port = udp_hdr->uh_dport; - break; - case LAYER_TYPE_IPV4: - ipv4_hdr = (const struct ip *)data; - addr->addr_type = ADDR_TYPE_V4; - addr->addr_v4.src_addr = ipv4_hdr->ip_src; - addr->addr_v4.dst_addr = ipv4_hdr->ip_dst; - break; - case LAYER_TYPE_IPV6: - ipv6_hdr = (const struct ip6_hdr *)data; - addr->addr_type = ADDR_TYPE_V6; - memcpy(&addr->addr_v6.src_addr, &ipv6_hdr->ip6_src, sizeof(addr->addr_v6.src_addr)); - memcpy(&addr->addr_v6.dst_addr, &ipv6_hdr->ip6_dst, sizeof(addr->addr_v6.dst_addr)); - break; - default: - break; - } -} - -// FROM SAPP -static uint16_t parse_gtphdr_len(const struct gtp_hdr *gtph) -{ - const unsigned char *p_ext_hdr = (unsigned char *)gtph + sizeof(struct gtp_hdr); - unsigned char next_hdr_type; - unsigned char this_ext_field_cont_len; - - // v0 太古老已废弃，目前仅支持 GTPv1 版本 - if (((gtph->flags & GTP_HDR_VER_MASK) >> 5) != 1) - { - return -1; - } - - if (gtph->flags & (GTP_HDR_FLAG_SEQ_NUM | GTP_HDR_FLAG_N_PDU | GTP_HDR_FLAG_NEXT_EXT_HDR)) - { - // skip seq field (2 bytes) - p_ext_hdr += 2; - - // skip N-PDU field (1 byte) - p_ext_hdr++; - - // 解析 GTP 扩展头部字段，参考 wireshark 源码 packet-gtp.c->dissect_gtp_common() - next_hdr_type = *p_ext_hdr; - if (gtph->flags & GTP_HDR_FLAG_NEXT_EXT_HDR) - { - while (next_hdr_type != 0) - { - // 指向长度字段, 以4个字节为单位 - p_ext_hdr++; - this_ext_field_cont_len = *p_ext_hdr * 4 - 2; - - // 指向数据部分第一个字节 - p_ext_hdr++; - p_ext_hdr += this_ext_field_cont_len; - - // 指向下一个头部字段 - next_hdr_type = *p_ext_hdr; - p_ext_hdr++; - } - } - else - { - p_ext_hdr++; - } - } - - return (char *)p_ext_hdr - (char *)gtph; -} - -static const void *parse_ether(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct ethhdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_ETHER)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_ETHER, offset) < 0) - { - return data; - } - - struct ethhdr *hdr = (struct ethhdr *)data; - uint16_t next_proto = ntohs(hdr->h_proto); - uint16_t hdr_len = sizeof(struct ethhdr); - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_ETHER), data_next_length, length); - switch (next_proto) - { - case ETH_P_8021Q: - case ETH_P_8021AD: - // TESTED - return parse_vlan8021q(handler, data_next_layer, data_next_length); - case ETH_P_IP: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - case ETH_P_IPV6: - // TESTED - return parse_ipv6(handler, data_next_layer, data_next_length); - case ETH_P_PPP_SES: - // TODO - return parse_pppoe_ses(handler, data_next_layer, data_next_length); - case ETH_P_MPLS_UC: - // TESTED - return parse_mpls(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_ETHER), next_proto); - return data_next_layer; - } -} - -static const void *parse_ipv4(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct ip)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV4)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_IPV4, offset) < 0) - { - return data; - } - - struct ip *hdr = (struct ip *)data; - uint16_t next_proto = hdr->ip_p; - uint16_t hdr_len = (hdr->ip_hl & 0xf) * 4u; - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV4), data_next_length, length); - switch (next_proto) - { - case IPPROTO_TCP: - // TESTED - return parse_tcp(handler, data_next_layer, data_next_length); - case IPPROTO_UDP: - // TESTED - return parse_udp(handler, data_next_layer, data_next_length); - case IPPROTO_IPIP: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - case IPPROTO_IPV6: - // TESTED - return parse_ipv6(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV4), next_proto); - return data_next_layer; - } -} - -static const void *parse_ipv6(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct ip6_hdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV6)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_IPV6, offset) < 0) - { - return data; - } - - struct ip6_hdr *hdr = (struct ip6_hdr *)data; - uint16_t next_proto = hdr->ip6_nxt; - uint16_t hdr_len = sizeof(struct ip6_hdr); - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV6), data_next_length, length); - switch (next_proto) - { - case IPPROTO_TCP: - // TESTED - return parse_tcp(handler, data_next_layer, data_next_length); - case IPPROTO_UDP: - // TESTED - return parse_udp(handler, data_next_layer, data_next_length); - case IPPROTO_IPIP: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - case IPPROTO_IPV6: - // TESTED - return parse_ipv6(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_IPV6), next_proto); - return data_next_layer; - } -} - -static const void *parse_tcp(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct tcphdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_TCP)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_TCP, offset) < 0) - { - return data; - } - - struct tcphdr *hdr = (struct tcphdr *)data; - uint16_t hdr_len = hdr->th_off << 2; - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_TCP), data_next_length, length); - - return data_next_layer; -} - -static const void *parse_udp(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct udp_hdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_UDP)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_UDP, offset) < 0) - { - return data; - } - - struct udp_hdr *hdr = (struct udp_hdr *)data; - uint16_t hdr_len = sizeof(struct udp_hdr); - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_UDP), data_next_length, length); - switch (ntohs(hdr->uh_dport)) - { - // VXLAN_DPORT - case 4789: - // TESTED - return parse_vxlan(handler, data_next_layer, data_next_length); - // GTP1U_PORT - case 2152: - // TESTED - return parse_gtpv1_u(handler, data_next_layer, data_next_length); - default: - return data_next_layer; - } -} - -static const void *parse_pppoe_ses(struct data_packet *handler, const void *data, size_t length) -{ - if (length < 8) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_PPPOE)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_PPPOE, offset) < 0) - { - return data; - } - - uint16_t next_proto = *((uint16_t *)data + 3); - uint16_t hdr_len = 8; - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_PPPOE), data_next_length, length); - switch (next_proto) - { - // PPPOE_TYPE_IPV4 - case 0x2100: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - // PPPOE_TYPE_IPV6 - case 0x5700: - // TODO - return parse_ipv6(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_PPPOE), next_proto); - return data_next_layer; - } -} - -static const void *parse_vxlan(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct vxlan_hdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_G_VXLAN)); - return NULL; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_G_VXLAN, offset) < 0) - { - return data; - } - - // struct vxlan_hdr *vxlan_hdr = (struct vxlan_hdr *)data; - uint16_t hdr_len = sizeof(struct vxlan_hdr); - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_G_VXLAN), data_next_length, length); - // TESTED - return parse_ether(handler, data_next_layer, data_next_length); -} - -static const void *parse_vlan8021q(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct vlan_hdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_VLAN)); - return NULL; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_VLAN, offset) < 0) - { - return data; - } - - struct vlan_hdr *hdr = (struct vlan_hdr *)data; - uint16_t next_proto = ntohs(hdr->protocol); - uint16_t hdr_len = sizeof(struct vlan_hdr); - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_VLAN), data_next_length, length); - switch (next_proto) - { - case ETH_P_8021Q: - // TESTED - return parse_vlan8021q(handler, data_next_layer, data_next_length); - case ETH_P_IP: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - case ETH_P_IPV6: - // TODO - return parse_ipv6(handler, data_next_layer, data_next_length); - case ETH_P_PPP_SES: - // TESTED - return parse_pppoe_ses(handler, data_next_layer, data_next_length); - case ETH_P_MPLS_UC: - // TODO - return parse_mpls(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_VLAN), next_proto); - return data_next_layer; - } -} - -static const void *parse_gtpv1_u(struct data_packet *handler, const void *data, size_t length) -{ - if (length < sizeof(struct gtp_hdr)) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_GTPV1_U)); - return NULL; - } - - uint16_t hdr_len = parse_gtphdr_len((const struct gtp_hdr *)data); - if (hdr_len < 0) - { - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_GTPV1_U, offset) < 0) - { - return data; - } - - uint8_t next_proto = (((const uint8_t *)((const char *)data + hdr_len))[0]) >> 4; - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_GTPV1_U), data_next_length, length); - switch (next_proto) - { - case 4: - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - case 6: - // TESTED - return parse_ipv6(handler, data_next_layer, data_next_length); - default: - LOG_ERROR("%s: trace_id: %lu, %s, stop parse next protocol %d", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_GTPV1_U), next_proto); - return data_next_layer; - } -} - -static const void *parse_mpls(struct data_packet *handler, const void *data, size_t length) -{ - if (length < 4) - { - LOG_ERROR("%s: trace_id: %lu, %s, err: data not enough", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS)); - return data; - } - - uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->data_ptr); - if (data_packet_push_layer(handler, LAYER_TYPE_MPLS, offset) < 0) - { - return data; - } - -#define MPLS_LABEL_MASK (0xFFFFF000) -#define MPLS_EXP_MASK (0x00000E00) -#define MPLS_BLS_MASK (0x00000100) -#define MPLS_TTL_MASK (0x000000FF) - - /* - * MPLS Format - * 0 1 2 3 - * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | Label | Exp |S| TTL | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * Label : Label Value 20 bits - * Exp : Experimental Use 3 bits - * S : Bottom of Stack 1 bit - * TTL : Time to Live 8 bits - */ - - uint32_t *hdr = (uint32_t *)data; - // unsigned int mpls_label = (ntohl(*hdr) & MPLS_LABEL_MASK) >> 12; - // unsigned int mpls_exp = (ntohl(*hdr) & MPLS_EXP_MASK) >> 9; - unsigned int mpls_bls = (ntohl(*hdr) & MPLS_BLS_MASK) >> 8; - // unsigned int mpls_ttl = (ntohl(*hdr) & MPLS_TTL_MASK); - - uint16_t hdr_len = 4; - const void *data_next_layer = (const char *)data + hdr_len; - size_t data_next_length = length - hdr_len; - - if (mpls_bls == 1) - { - uint8_t ip_version = (((uint8_t *)data_next_layer)[0]) >> 4; - if (ip_version == 0) - { - /* - * PW Ethernet Control Word - * 0 1 2 3 - * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * |0 0 0 0| Reserved | Sequence Number | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * Reference: https://tools.ietf.org/html/rfc4448 - */ - data_next_layer = (const char *)data_next_layer + 4; - data_next_length = data_next_length - 4; - - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS), data_next_length, length); - // TESTED - return parse_ether(handler, data_next_layer, data_next_length); - } - else if (ip_version == 4) - { - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS), data_next_length, length); - // TESTED - return parse_ipv4(handler, data_next_layer, data_next_length); - } - else if (ip_version == 6) - { - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS), data_next_length, length); - // TODO - return parse_ipv6(handler, data_next_layer, data_next_length); - } - else - { - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS), data_next_length, length); - // TODO - return parse_ether(handler, data_next_layer, data_next_length); - } - } - else - { - LOG_DEBUG("%s: trace_id: %lu, %s->payload: [%lu/%lu]", LOG_TAG_RAWPKT, handler->trace_id, layer_type_to_string(LAYER_TYPE_MPLS), data_next_length, length); - // TESTED - return parse_mpls(handler, data_next_layer, data_next_length); - } -} \ No newline at end of file diff --git a/common/src/four_tuple.cpp b/common/src/four_tuple.cpp deleted file mode 100644 index cf0c529..0000000 --- a/common/src/four_tuple.cpp +++ /dev/null @@ -1,75 +0,0 @@ -#include -#include -#include - -#include "four_tuple.h" - -void four_tuple_copy(struct four_tuple *dst, struct four_tuple *src) -{ - dst->addr_type = src->addr_type; - dst->src_port = src->src_port; - dst->dst_port = src->dst_port; - - if (src->addr_type == ADDR_TYPE_V4) - { - memcpy(&(dst->addr_v4.src_addr), &(src->addr_v4.src_addr), sizeof(struct in_addr)); - memcpy(&(dst->addr_v4.dst_addr), &(src->addr_v4.dst_addr), sizeof(struct in_addr)); - } - else - { - memcpy(&(dst->addr_v6.src_addr), &(src->addr_v6.src_addr), sizeof(struct addr_v6)); - memcpy(&(dst->addr_v6.dst_addr), &(src->addr_v6.dst_addr), sizeof(struct addr_v6)); - } -} - -char *four_tuple_to_string(const struct four_tuple *addr) -{ - char *str_ret = NULL; - - if (addr->addr_type == ADDR_TYPE_V4) - { - char src_addr[INET_ADDRSTRLEN] = {0}; - char dst_addr[INET_ADDRSTRLEN] = {0}; - uint16_t src_port = ntohs((uint16_t)addr->src_port); - uint16_t dst_port = ntohs((uint16_t)addr->dst_port); - inet_ntop(AF_INET, &addr->addr_v4.src_addr, src_addr, sizeof(src_addr)); - inet_ntop(AF_INET, &addr->addr_v4.dst_addr, dst_addr, sizeof(dst_addr)); - asprintf(&str_ret, "%s %u %s %u", src_addr, src_port, dst_addr, dst_port); - } - - if (addr->addr_type == ADDR_TYPE_V6) - { - char src_addr[INET6_ADDRSTRLEN] = {0}; - char dst_addr[INET6_ADDRSTRLEN] = {0}; - uint16_t src_port = ntohs((uint16_t)addr->src_port); - uint16_t dst_port = ntohs((uint16_t)addr->dst_port); - inet_ntop(AF_INET6, &addr->addr_v6.src_addr, src_addr, sizeof(src_addr)); - inet_ntop(AF_INET6, &addr->addr_v6.dst_addr, dst_addr, sizeof(dst_addr)); - asprintf(&str_ret, "%s %u %s %u", src_addr, src_port, dst_addr, dst_port); - } - - return str_ret; -} - -void four_tuple_reverse(const struct four_tuple *orin, struct four_tuple *out) -{ - memset(out, 0, sizeof(struct four_tuple)); - - if (orin->addr_type == ADDR_TYPE_V4) - { - out->addr_type = ADDR_TYPE_V4; - out->addr_v4.src_addr = orin->addr_v4.dst_addr; - out->addr_v4.dst_addr = orin->addr_v4.src_addr; - out->src_port = orin->dst_port; - out->dst_port = orin->src_port; - } - - if (orin->addr_type == ADDR_TYPE_V6) - { - out->addr_type = ADDR_TYPE_V6; - out->addr_v6.src_addr = orin->addr_v6.dst_addr; - out->addr_v6.dst_addr = orin->addr_v6.src_addr; - out->src_port = orin->dst_port; - out->dst_port = orin->src_port; - } -} \ No newline at end of file diff --git a/common/src/packet.cpp b/common/src/packet.cpp new file mode 100644 index 0000000..424cefe --- /dev/null +++ b/common/src/packet.cpp @@ -0,0 +1,1274 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "uthash.h" +#include "packet.h" + +#define likely(expr) __builtin_expect((expr), 1) +#define unlikely(expr) __builtin_expect((expr), 0) + +#define LOG_PACKET "PACKET" +#define PACKET_LOG_DATA_INSUFFICIENCY(type) \ + { \ + PACKET_LOG_ERROR("%s: layer: %s, data insufficiency", \ + LOG_PACKET, layer_type_tostring((type))); \ + } + +#define PACKET_LOG_UNSUPPORT_PROTO(tag, next_proto) \ + { \ + PACKET_LOG_ERROR("%s: %s: unsupport next proto %d", \ + LOG_PACKET, (tag), (next_proto)); \ + } + +/****************************************************************************** + * Static API + ******************************************************************************/ + +static const char *ethproto_tostring(uint16_t proto); +static const char *ipproto_tostring(uint16_t proto); +static inline const char *ldbc_method_tostring(enum ldbc_method method); +static inline const char *layer_type_tostring(enum layer_type type); + +static inline uint16_t gtp_header_get_length(const char *data, uint16_t len); +static inline uint16_t gre_header_get_length(const char *data, uint16_t len); + +static inline struct layer_record *get_layer(struct packet *handler); + +static inline void set_four_tuple(const char *data, enum layer_type type, struct four_tuple *tuple); +static inline void set_two_tuple(const char *data, enum layer_type type, struct two_tuple *tuple); + +// 数据链路层 +static inline const char *parse_ether(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_ppp(struct packet *handler, const char *data, uint16_t len); +// 数据链路层 -- 隧道 +static inline const char *parse_vlan(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_pppoe_ses(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_mpls(struct packet *handler, const char *data, uint16_t len); +// 网络层 +static inline const char *parse_ipv4(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_ipv6(struct packet *handler, const char *data, uint16_t len); +// 网络层 -- 隧道 +static inline const char *parse_gre(struct packet *handler, const char *data, uint16_t len); +// 传输层 +static inline const char *parse_udp(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_tcp(struct packet *handler, const char *data, uint16_t len); +// 传输层 -- 隧道 +static inline const char *parse_vxlan(struct packet *handler, const char *data, uint16_t len); +static inline const char *parse_gtpv1_u(struct packet *handler, const char *data, uint16_t len); +// L3/L4 +static inline const char *parse_l3(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len); +static inline const char *parse_l4(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len); + +/****************************************************************************** + * Private API -- Utils + ******************************************************************************/ + +static const char *ethproto_tostring(uint16_t proto) +{ + switch (proto) + { + case ETH_P_LOOP: + return "LOOP"; + case ETH_P_PUP: + return "PUP"; + case ETH_P_PUPAT: + return "PUPAT"; + case ETH_P_IP: + return "IP"; + case ETH_P_X25: + return "X25"; + case ETH_P_ARP: + return "ARP"; + case ETH_P_BPQ: + return "BPQ"; + case ETH_P_IEEEPUP: + return "IEEEPUP"; + case ETH_P_IEEEPUPAT: + return "IEEEPUPAT"; + case ETH_P_DEC: + return "DEC"; + case ETH_P_DNA_DL: + return "DNA_DL"; + case ETH_P_DNA_RC: + return "DNA_RC"; + case ETH_P_DNA_RT: + return "DNA_RT"; + case ETH_P_LAT: + return "LAT"; + case ETH_P_DIAG: + return "DIAG"; + case ETH_P_CUST: + return "CUST"; + case ETH_P_SCA: + return "SCA"; + case ETH_P_TEB: + return "TEB"; + case ETH_P_RARP: + return "RARP"; + case ETH_P_ATALK: + return "ATALK"; + case ETH_P_AARP: + return "AARP"; + case ETH_P_8021Q: + return "8021Q"; + case ETH_P_IPX: + return "IPX"; + case ETH_P_IPV6: + return "IPV6"; + case ETH_P_PAUSE: + return "PAUSE"; + case ETH_P_SLOW: + return "SLOW"; + case ETH_P_WCCP: + return "WCCP"; + case ETH_P_PPP_DISC: + return "PPP_DISC"; + case ETH_P_PPP_SES: + return "PPP_SES"; + case ETH_P_MPLS_UC: + return "MPLS_UC"; + case ETH_P_MPLS_MC: + return "MPLS_MC"; + case ETH_P_ATMMPOA: + return "ATMMPOA"; + case ETH_P_LINK_CTL: + return "LINK_CTL"; + case ETH_P_ATMFATE: + return "ATMFATE"; + case ETH_P_PAE: + return "PAE"; + case ETH_P_AOE: + return "AOE"; + case ETH_P_8021AD: + return "8021AD"; + case ETH_P_802_EX1: + return "802_EX1"; + case ETH_P_TIPC: + return "TIPC"; + case ETH_P_8021AH: + return "8021AH"; + case ETH_P_1588: + return "1588"; + case ETH_P_FCOE: + return "FCOE"; + case ETH_P_TDLS: + return "TDLS"; + case ETH_P_FIP: + return "FIP"; + case ETH_P_QINQ1: + return "QINQ1"; + case ETH_P_QINQ2: + return "QINQ2"; + case ETH_P_QINQ3: + return "QINQ3"; + case ETH_P_EDSA: + return "EDSA"; + case ETH_P_AF_IUCV: + return "AF_IUCV"; + default: + return "UNKNOWN"; + } +} + +static const char *ipproto_tostring(uint16_t proto) +{ + switch (proto) + { + case IPPROTO_IP: + return "IP"; + case IPPROTO_ICMP: + return "ICMP"; + case IPPROTO_IGMP: + return "IGMP"; + case IPPROTO_IPIP: + return "IPIP"; + case IPPROTO_TCP: + return "TCP"; + case IPPROTO_EGP: + return "EGP"; + case IPPROTO_PUP: + return "PUP"; + case IPPROTO_UDP: + return "UDP"; + case IPPROTO_IDP: + return "IDP"; + case IPPROTO_TP: + return "TP"; + case IPPROTO_DCCP: + return "DCCP"; + case IPPROTO_IPV6: + return "IPV6"; + case IPPROTO_ROUTING: + return "ROUTING"; + case IPPROTO_FRAGMENT: + return "FRAGMENT"; + case IPPROTO_RSVP: + return "RSVP"; + case IPPROTO_GRE: + return "GRE"; + case IPPROTO_ESP: + return "ESP"; + case IPPROTO_AH: + return "AH"; + case IPPROTO_ICMPV6: + return "ICMPV6"; + case IPPROTO_NONE: + return "NONE"; + case IPPROTO_DSTOPTS: + return "DSTOPTS"; + case IPPROTO_MTP: + return "MTP"; + case IPPROTO_ENCAP: + return "ENCAP"; + case IPPROTO_PIM: + return "PIM"; + case IPPROTO_COMP: + return "COMP"; + case IPPROTO_SCTP: + return "SCTP"; + case IPPROTO_UDPLITE: + return "UDPLITE"; + case IPPROTO_RAW: + return "RAW"; + default: + return "UNKNOWN"; + } +} + +static inline const char *ldbc_method_tostring(enum ldbc_method method) +{ + switch (method) + { + case LDBC_METHOD_HASH_INT_IP: + return "outter_internal_ip"; + case LDBC_METHOD_HASH_EXT_IP: + return "outter_external_ip"; + case LDBC_METHOD_HASH_INT_IP_AND_EXT_IP: + return "outter_internal_ip_and_external_ip"; + case LDBC_METHOD_HASH_INNERMOST_INT_IP: + return "inner_internal_ip"; + case LDBC_METHOD_HASH_INNERMOST_EXT_IP: + return "inner_external_ip"; + default: + return "unknown"; + } +} + +static inline const char *layer_type_tostring(enum layer_type type) +{ + switch (type) + { + case LAYER_TYPE_ETHER: + return "ETH"; + case LAYER_TYPE_PPP: + return "PPP"; + case LAYER_TYPE_HDLC: + return "HDLC"; + case LAYER_TYPE_VLAN: + return "VLAN"; + case LAYER_TYPE_PPPOE: + return "PPPOE"; + case LAYER_TYPE_MPLS: + return "MPLS"; + case LAYER_TYPE_IPV4: + return "IPV4"; + case LAYER_TYPE_IPV6: + return "IPV6"; + case LAYER_TYPE_GRE: + return "GRE"; + case LAYER_TYPE_UDP: + return "UDP"; + case LAYER_TYPE_TCP: + return "TCP"; + case LAYER_TYPE_VXLAN: + return "VXLAN"; + case LAYER_TYPE_GTPV1_U: + return "GTPV1"; + default: + return "UNKNOWN"; + } +} + +static inline struct layer_record *get_layer(struct packet *handler) +{ + if (handler->layers_used >= handler->layers_size) + { + return NULL; + } + + return &handler->layers[handler->layers_used]; +} + +#define SET_LAYER(_handler, _layer, _type, _hdr_len, _data, _len) \ + { \ + (_layer)->type = (_type); \ + (_layer)->hdr_offset = (_handler)->data_len - (_len); \ + (_layer)->hdr_ptr = (_data); \ + (_layer)->hdr_len = (_hdr_len); \ + (_layer)->pld_ptr = (_data) + (_hdr_len); \ + (_layer)->pld_len = (_len) - (_hdr_len); \ + (_handler)->layers_used++; \ + } + +static inline void set_two_tuple(const char *data, enum layer_type type, struct two_tuple *tuple) +{ + const struct ip *ipv4 = NULL; + const struct ip6_hdr *ipv6 = NULL; + + switch (type) + { + case LAYER_TYPE_IPV4: + ipv4 = (const struct ip *)data; + two_tuple_set_ipv4_address(tuple, &ipv4->ip_src, &ipv4->ip_dst); + break; + case LAYER_TYPE_IPV6: + ipv6 = (const struct ip6_hdr *)data; + two_tuple_set_ipv6_address(tuple, &ipv6->ip6_src, &ipv6->ip6_dst); + break; + default: + break; + } +} + +static inline void set_four_tuple(const char *data, enum layer_type type, struct four_tuple *tuple) +{ + const struct ip *ipv4 = NULL; + const struct ip6_hdr *ipv6 = NULL; + const struct tcphdr *tcp = NULL; + const struct udphdr *udp = NULL; + + switch (type) + { + case LAYER_TYPE_TCP: + tcp = (const struct tcphdr *)data; + four_tuple_set_port(tuple, tcp->th_sport, tcp->th_dport); + break; + case LAYER_TYPE_UDP: + udp = (const struct udphdr *)data; + four_tuple_set_port(tuple, udp->uh_sport, udp->uh_dport); + break; + case LAYER_TYPE_IPV4: + ipv4 = (const struct ip *)data; + four_tuple_set_ipv4_address(tuple, &ipv4->ip_src, &ipv4->ip_dst); + break; + case LAYER_TYPE_IPV6: + ipv6 = (const struct ip6_hdr *)data; + four_tuple_set_ipv6_address(tuple, &ipv6->ip6_src, &ipv6->ip6_dst); + break; + default: + break; + } +} + +/****************************************************************************** + * Private API -- Parses + ******************************************************************************/ + +static inline uint16_t gtp_header_get_length(const char *data, uint16_t len) +{ +#define GTP_HDR_VER (0xE0) +#define GTP_HDR_FLAG_N_PDU (0x01) +#define GTP_HDR_FLAG_SEQ_NUM (0x02) +#define GTP_HDR_FLAG_EXT_HDR (0x04) + + struct gtp_hdr + { + uint8_t flags; + uint8_t msg_type; + uint16_t msg_len; + uint32_t teid; + } __attribute__((__packed__)); + + struct gtp_opt + { + uint16_t seq_num; + uint8_t npdu; + uint8_t next_ext_hdr; + } __attribute__((__packed__)); + + uint16_t hdr_offset = 0; + if (len < sizeof(struct gtp_hdr)) + { + return 0; + } + const struct gtp_hdr *gtp = (const struct gtp_hdr *)data; + hdr_offset += sizeof(struct gtp_hdr); // skip gre hdr + + // GTPv0 Not Supported + if (((gtp->flags & GTP_HDR_VER) >> 5) != 1) + { + return 0; + } + + if (gtp->flags & (GTP_HDR_FLAG_SEQ_NUM | GTP_HDR_FLAG_N_PDU | GTP_HDR_FLAG_EXT_HDR)) + { + if (hdr_offset + sizeof(struct gtp_opt) > len) + { + return 0; + } + struct gtp_opt *opt_hdr = (struct gtp_opt *)((char *)data + hdr_offset); + uint8_t next_ext_hdr = opt_hdr->next_ext_hdr; + hdr_offset += sizeof(struct gtp_opt); // skip gre opt + + while (next_ext_hdr) + { + if (hdr_offset + 1 > len) + { + return 0; + } + uint8_t length = *((char *)data + hdr_offset) * 4 - 2; + hdr_offset += 1; // skip length field + + if (hdr_offset + length + 1 > len) + { + return 0; + } + hdr_offset += length; // skip data field + next_ext_hdr = *((char *)data + hdr_offset); + hdr_offset += 1; // skip next ext hdr field + } + } + + return hdr_offset; +} + +static inline uint16_t gre_header_get_length(const char *data, uint16_t len) +{ + /* + * GRE Header Format (Version 0) + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |C|R|K|S|s|Recur| Flags | Ver | Protocol Type | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Checksum (optional) | Offset (optional) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Key (optional) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Sequence Number (optional) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Routing (optional) + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Address Family | SRE Offset | SRE Length | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Routing Information ... + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * https://datatracker.ietf.org/doc/html/rfc1701 + * https://datatracker.ietf.org/doc/html/rfc2890 + */ + + /* + * Enhanced GRE header (Version 1) + * + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |C|R|K|S|s|Recur|A| Flags | Ver | Protocol Type | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Key (HW) Payload Length | Key (LW) Call ID | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Sequence Number (Optional) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Acknowledgment Number (Optional) | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * https://datatracker.ietf.org/doc/html/rfc2637 + */ + +/* bit positions for flags in header */ +#define GRE_CHECKSUM 0x8000 +#define GRE_ROUTING 0x4000 +#define GRE_KEY 0x2000 +#define GRE_SEQUENCE 0x1000 +#define GRE_STRICTSOURCE 0x0800 +#define GRE_RECURSION 0x0700 +#define GRE_ACK 0x0080 /* only in special PPTPized GRE header */ +#define GRE_RESERVED_PPP 0x0078 /* only in special PPTPized GRE header */ +#define GRE_RESERVED 0x00F8 +#define GRE_VERSION 0x0007 + + if (len < 4) + { + return 0; + } + + struct SRE + { + uint16_t address_family; + uint8_t sre_offset; + uint8_t sre_length; + } __attribute__((__packed__)); + + uint16_t sre_size = sizeof(struct SRE); + const uint16_t *gre = (const uint16_t *)data; + uint16_t flags = ntohs(gre[0]); + uint16_t version = flags & GRE_VERSION; + uint16_t hdr_offset = 0; + + if (version == 0) + { + hdr_offset = 4; + + if ((flags & GRE_CHECKSUM) || (flags & GRE_ROUTING)) + { + hdr_offset += 4; + } + if (flags & GRE_KEY) + { + hdr_offset += 4; + } + if (flags & GRE_SEQUENCE) + { + hdr_offset += 4; + } + if (flags & GRE_ROUTING) + { + while (hdr_offset + sre_size <= len) + { + struct SRE *sre = (struct SRE *)((char *)data + hdr_offset); + if (sre->sre_length == 0) + { + hdr_offset += sre_size; + break; + } + else + { + hdr_offset += sre_size + sre->sre_length; + } + } + } + } + + if (version == 1) + { + hdr_offset = 8; + if (flags & GRE_SEQUENCE) + { + hdr_offset += 4; + } + if (flags & GRE_ACK) + { + hdr_offset += 4; + } + } + + if (hdr_offset > len) + { + return 0; + } + + return hdr_offset; +} + +static inline const char *parse_ether(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < sizeof(struct ethhdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_ETHER); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = ntohs(((struct ethhdr *)data)->h_proto); + SET_LAYER(handler, layer, LAYER_TYPE_ETHER, sizeof(struct ethhdr), data, len); + + return parse_l3(handler, next_proto, layer->pld_ptr, layer->pld_len); +} + +static inline const char *parse_ppp(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < 4)) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_PPP); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = ntohs(*((uint16_t *)data + 1)); + SET_LAYER(handler, layer, LAYER_TYPE_PPP, 4, data, len); + + switch (next_proto) + { + case PPP_IP: + return parse_ipv4(handler, layer->pld_ptr, layer->pld_len); + case PPP_IPV6: + return parse_ipv6(handler, layer->pld_ptr, layer->pld_len); + default: + PACKET_LOG_UNSUPPORT_PROTO("ppp", next_proto); + return layer->pld_ptr; + } +} + +static inline const char *parse_vlan(struct packet *handler, const char *data, uint16_t len) +{ + struct vlan_hdr + { + uint16_t vlan_cfi; + uint16_t protocol; + } __attribute__((__packed__)); + + if (unlikely(len < sizeof(struct vlan_hdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_VLAN); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = ntohs(((struct vlan_hdr *)data)->protocol); + SET_LAYER(handler, layer, LAYER_TYPE_VLAN, sizeof(struct vlan_hdr), data, len); + + return parse_l3(handler, next_proto, layer->pld_ptr, layer->pld_len); +} + +static inline const char *parse_pppoe_ses(struct packet *handler, const char *data, uint16_t len) +{ +#define PPPOE_TYPE_IPV4 0x2100 +#define PPPOE_TYPE_IPV6 0x5700 + + if (unlikely(len < 8)) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_PPPOE); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = *((uint16_t *)data + 3); + SET_LAYER(handler, layer, LAYER_TYPE_PPPOE, 8, data, len); + + switch (next_proto) + { + case PPPOE_TYPE_IPV4: + return parse_ipv4(handler, layer->pld_ptr, layer->pld_len); + case PPPOE_TYPE_IPV6: + return parse_ipv6(handler, layer->pld_ptr, layer->pld_len); + default: + PACKET_LOG_UNSUPPORT_PROTO("pppoe", next_proto); + return layer->pld_ptr; + } +} + +static inline const char *parse_mpls(struct packet *handler, const char *data, uint16_t len) +{ + /* + * MPLS Format + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | Label | Exp |S| TTL | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * Label : Label Value 20 bits + * Exp : Experimental Use 3 bits + * S : Bottom of Stack 1 bit + * TTL : Time to Live 8 bits + */ + +#define MPLS_LABEL_MASK (0xFFFFF000) +#define MPLS_EXP_MASK (0x00000E00) +#define MPLS_BLS_MASK (0x00000100) +#define MPLS_TTL_MASK (0x000000FF) + + enum mpls_next_proto + { + MPLS_NEXT_PROTO_ETHER = 0x0, + MPLS_NEXT_PROTO_MPLS = 0x1, + MPLS_NEXT_PROTO_IPV4 = 0x4, + MPLS_NEXT_PROTO_IPV6 = 0x6, + }; + + // 4 + 1 + if (unlikely(len < 5)) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_MPLS); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + + uint16_t hdr_len = 4; + uint32_t *hdr = (uint32_t *)data; + unsigned int mpls_bls = (ntohl(*hdr) & MPLS_BLS_MASK) >> 8; + enum mpls_next_proto next_proto; + if (mpls_bls == 1) + { + switch ((((uint8_t *)(data + 4))[0]) >> 4) + { + case 0: + /* + * PW Ethernet Control Word + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * |0 0 0 0| Reserved | Sequence Number | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * Reference: https://tools.ietf.org/html/rfc4448 + */ + hdr_len += 4; // skip PW Ethernet Control Word + next_proto = MPLS_NEXT_PROTO_ETHER; + break; + case 4: + next_proto = MPLS_NEXT_PROTO_IPV4; + break; + case 6: + next_proto = MPLS_NEXT_PROTO_IPV6; + break; + default: + next_proto = MPLS_NEXT_PROTO_ETHER; + break; + } + } + else + { + next_proto = MPLS_NEXT_PROTO_MPLS; + } + SET_LAYER(handler, layer, LAYER_TYPE_MPLS, hdr_len, data, len); + + switch (next_proto) + { + case MPLS_NEXT_PROTO_IPV4: + return parse_ipv4(handler, layer->pld_ptr, layer->pld_len); + case MPLS_NEXT_PROTO_IPV6: + return parse_ipv6(handler, layer->pld_ptr, layer->pld_len); + case MPLS_NEXT_PROTO_ETHER: + return parse_ether(handler, layer->pld_ptr, layer->pld_len); + case MPLS_NEXT_PROTO_MPLS: + return parse_mpls(handler, layer->pld_ptr, layer->pld_len); + default: + // unreachable + return layer->pld_ptr; + } +} + +static inline const char *parse_ipv4(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < sizeof(struct ip))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_IPV4); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + struct ip *hdr = (struct ip *)data; + uint16_t next_proto = hdr->ip_p; + uint16_t hdr_len = (hdr->ip_hl & 0xf) * 4u; + SET_LAYER(handler, layer, LAYER_TYPE_IPV4, hdr_len, data, len); + + return parse_l4(handler, next_proto, layer->pld_ptr, layer->pld_len); +} + +static inline const char *parse_ipv6(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < sizeof(struct ip6_hdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_IPV6); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = ((struct ip6_hdr *)data)->ip6_nxt; + SET_LAYER(handler, layer, LAYER_TYPE_IPV6, sizeof(struct ip6_hdr), data, len); + + return parse_l4(handler, next_proto, layer->pld_ptr, layer->pld_len); +} + +static inline const char *parse_gre(struct packet *handler, const char *data, uint16_t len) +{ +#define GRE_PRO_IPV4 (0x0800) +#define GRE_PRO_IPV6 (0x86DD) +#define GRE_PRO_ARP (0x0806) +#define GRE_PRO_PPP (0x880B) + + uint16_t hdr_len = gre_header_get_length(data, len); + if (unlikely(hdr_len == 0)) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_GRE); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t next_proto = ntohs(*((uint16_t *)data + 1)); + SET_LAYER(handler, layer, LAYER_TYPE_GRE, hdr_len, data, len); + + switch (next_proto) + { + case GRE_PRO_IPV4: + return parse_ipv4(handler, layer->pld_ptr, layer->pld_len); + case GRE_PRO_IPV6: + return parse_ipv6(handler, layer->pld_ptr, layer->pld_len); + case GRE_PRO_PPP: + return parse_ppp(handler, layer->pld_ptr, layer->pld_len); + default: + PACKET_LOG_UNSUPPORT_PROTO("gre", next_proto); + return layer->pld_ptr; + } +} + +static inline const char *parse_udp(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < sizeof(struct udphdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_UDP); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + struct udphdr *hdr = (struct udphdr *)data; + SET_LAYER(handler, layer, LAYER_TYPE_UDP, sizeof(struct udphdr), data, len); + + switch (ntohs(hdr->uh_dport)) + { + // VXLAN_DPORT + case 4789: + return parse_vxlan(handler, layer->pld_ptr, layer->pld_len); + // GTP1U_PORT + case 2152: + return parse_gtpv1_u(handler, layer->pld_ptr, layer->pld_len); + default: + return layer->pld_ptr; + } +} + +static inline const char *parse_tcp(struct packet *handler, const char *data, uint16_t len) +{ + if (unlikely(len < sizeof(struct tcphdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_TCP); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint16_t hdr_len = ((struct tcphdr *)data)->th_off << 2; + SET_LAYER(handler, layer, LAYER_TYPE_TCP, hdr_len, data, len); + + return layer->pld_ptr; +} + +static inline const char *parse_vxlan(struct packet *handler, const char *data, uint16_t len) +{ + struct vxlan_hdr + { + uint8_t flags[2]; + uint16_t gdp; + uint8_t vni[3]; + uint8_t reserved; + } __attribute__((__packed__)); + + if (unlikely(len < sizeof(struct vxlan_hdr))) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_VXLAN); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + SET_LAYER(handler, layer, LAYER_TYPE_VXLAN, sizeof(struct vxlan_hdr), data, len); + + return parse_ether(handler, layer->pld_ptr, layer->pld_len); +} + +static inline const char *parse_gtpv1_u(struct packet *handler, const char *data, uint16_t len) +{ + uint16_t hdr_len = gtp_header_get_length(data, len); + if (unlikely(hdr_len == 0)) + { + PACKET_LOG_DATA_INSUFFICIENCY(LAYER_TYPE_GTPV1_U); + return data; + } + + struct layer_record *layer = get_layer(handler); + if (unlikely(layer == NULL)) + { + return data; + } + uint8_t next_proto = (((const uint8_t *)(data + hdr_len))[0]) >> 4; + SET_LAYER(handler, layer, LAYER_TYPE_GTPV1_U, hdr_len, data, len); + + switch (next_proto) + { + case 4: + return parse_ipv4(handler, layer->pld_ptr, layer->pld_len); + case 6: + return parse_ipv6(handler, layer->pld_ptr, layer->pld_len); + default: + PACKET_LOG_UNSUPPORT_PROTO("gtp", next_proto); + return layer->pld_ptr; + } +} + +static inline const char *parse_l3(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len) +{ + switch (next_proto) + { + case ETH_P_8021Q: + case ETH_P_8021AD: + return parse_vlan(handler, data, len); + case ETH_P_IP: + return parse_ipv4(handler, data, len); + case ETH_P_IPV6: + return parse_ipv6(handler, data, len); + case ETH_P_PPP_SES: + return parse_pppoe_ses(handler, data, len); + case ETH_P_MPLS_UC: + return parse_mpls(handler, data, len); + default: + PACKET_LOG_UNSUPPORT_PROTO("l3", next_proto); + return data; + } +} + +static inline const char *parse_l4(struct packet *handler, uint16_t next_proto, const char *data, uint16_t len) +{ + switch (next_proto) + { + case IPPROTO_TCP: + return parse_tcp(handler, data, len); + case IPPROTO_UDP: + return parse_udp(handler, data, len); + case IPPROTO_IPIP: + return parse_ipv4(handler, data, len); + case IPPROTO_IPV6: + return parse_ipv6(handler, data, len); + case IPPROTO_GRE: + return parse_gre(handler, data, len); + default: + PACKET_LOG_UNSUPPORT_PROTO("l4", next_proto); + return data; + } +} + +/****************************************************************************** + * Public API + ******************************************************************************/ + +// return innermost payload +const char *packet_parse(struct packet *handler, const char *data, uint16_t len) +{ + handler->layers_used = 0; + handler->layers_size = PACKET_MAX_LAYERS; + handler->data_ptr = data; + handler->data_len = len; + + return parse_ether(handler, data, len); +} + +void packet_print(const struct packet *handler) +{ + if (handler == NULL) + { + return; + } + + printf("packet: %p, data_ptr: %p, data_len: %u, layers_used: %u, layers_size: %u\n", + handler, handler->data_ptr, handler->data_len, + handler->layers_used, handler->layers_size); + for (uint8_t i = 0; i < handler->layers_used; i++) + { + const struct layer_record *layer = &handler->layers[i]; + printf(" layer[%u]: %p, type: %s, hdr_offset: %u, hdr_ptr: %p, hdr_len: %u, pld_ptr: %p, pld_len: %u\n", + i, layer, layer_type_tostring(layer->type), layer->hdr_offset, + layer->hdr_ptr, layer->hdr_len, layer->pld_ptr, layer->pld_len); + } +} + +// return 0 : found +// return -1 : not found +int packet_get_innermost_four_tuple(const struct packet *handler, struct four_tuple *tuple) +{ + const struct layer_record *layer_l3 = NULL; + const struct layer_record *layer_l4 = NULL; + const struct layer_record *layer = NULL; + + for (int8_t i = handler->layers_used - 1; i >= 0; i--) + { + layer = &handler->layers[i]; + + // first get L4 layer + if (layer->type & LAYER_TYPE_L4) + { + layer_l4 = layer; + continue; + } + + // second get L3 layer + if (layer->type & LAYER_TYPE_L3) + { + layer_l3 = layer; + break; + } + } + + if (layer_l3 && layer_l4) + { + set_four_tuple((const char *)handler->data_ptr + layer_l3->hdr_offset, layer_l3->type, tuple); + set_four_tuple((const char *)handler->data_ptr + layer_l4->hdr_offset, layer_l4->type, tuple); + return 0; + } + else + { + return -1; + } +} + +// return 0 : found +// return -1 : not found +int packet_get_outermost_four_tuple(const struct packet *handler, struct four_tuple *tuple) +{ + const struct layer_record *layer_l3 = NULL; + const struct layer_record *layer_l4 = NULL; + const struct layer_record *layer = NULL; + + for (int8_t i = 0; i < handler->layers_used; i++) + { + layer = &handler->layers[i]; + + // first get L3 layer + if (layer->type & LAYER_TYPE_L3) + { + layer_l3 = layer; + continue; + } + + // second get L4 layer + if (layer->type & LAYER_TYPE_L4) + { + layer_l4 = layer; + break; + } + } + + if (layer_l3 && layer_l4) + { + set_four_tuple((const char *)handler->data_ptr + layer_l3->hdr_offset, layer_l3->type, tuple); + set_four_tuple((const char *)handler->data_ptr + layer_l4->hdr_offset, layer_l4->type, tuple); + return 0; + } + else + { + return -1; + } +} + +// return 0 : found +// return -1 : not found +int packet_get_innermost_two_tuple(const struct packet *handler, struct two_tuple *tuple) +{ + const struct layer_record *layer = NULL; + + for (int8_t i = handler->layers_used - 1; i >= 0; i--) + { + layer = &handler->layers[i]; + + if (layer->type & LAYER_TYPE_L3) + { + set_two_tuple((const char *)handler->data_ptr + layer->hdr_offset, layer->type, tuple); + return 0; + } + } + + return -1; +} + +// return 0 : found +// return -1 : not found +int packet_get_outermost_two_tuple(const struct packet *handler, struct two_tuple *tuple) +{ + const struct layer_record *layer = NULL; + + for (int8_t i = 0; i < handler->layers_used; i++) + { + layer = &handler->layers[i]; + + if (layer->type & LAYER_TYPE_L3) + { + set_two_tuple((const char *)handler->data_ptr + layer->hdr_offset, layer->type, tuple); + return 0; + } + } + + return -1; +} + +const struct layer_record *packet_get_innermost_layer(const struct packet *handler, enum layer_type type) +{ + const struct layer_record *layer = NULL; + + for (int8_t i = handler->layers_used - 1; i >= 0; i--) + { + layer = &handler->layers[i]; + if (layer->type & type) + { + return layer; + } + } + + return NULL; +} + +const struct layer_record *packet_get_outermost_layer(const struct packet *handler, enum layer_type type) +{ + const struct layer_record *layer = NULL; + + for (int8_t i = 0; i < handler->layers_used; i++) + { + layer = &handler->layers[i]; + if (layer->type & type) + { + return layer; + } + } + + return NULL; +} + +uint64_t packet_get_hash(const struct packet *handler, enum ldbc_method method, int dir_is_i2e) +{ + uint64_t temp = 0; + uint64_t hash_value = 1; + + int inner_addr_len = 0; + int outer_addr_len = 0; + const char *inner_src_addr = NULL; + const char *inner_dst_addr = NULL; + const char *outer_src_addr = NULL; + const char *outer_dst_addr = NULL; + + struct two_tuple inner_addr; + struct two_tuple outer_addr; + + if (handler == NULL) + { + return hash_value; + } + + if (packet_get_innermost_two_tuple(handler, &inner_addr) == -1) + { + return hash_value; + } + + if (packet_get_outermost_two_tuple(handler, &outer_addr) == -1) + { + return hash_value; + } + + inner_src_addr = (const char *)two_tuple_get_src_address(&inner_addr); + inner_dst_addr = (const char *)two_tuple_get_dst_address(&inner_addr); + inner_addr_len = two_tuple_get_address_length(&inner_addr); + + outer_src_addr = (const char *)two_tuple_get_src_address(&outer_addr); + outer_dst_addr = (const char *)two_tuple_get_dst_address(&outer_addr); + outer_addr_len = two_tuple_get_address_length(&outer_addr); + + switch (method) + { + case LDBC_METHOD_HASH_INT_IP: + if (dir_is_i2e) + { + HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); + } + else + { + HASH_VALUE(outer_dst_addr, outer_addr_len, hash_value); + } + break; + case LDBC_METHOD_HASH_EXT_IP: + if (dir_is_i2e) + { + HASH_VALUE(outer_dst_addr, outer_addr_len, hash_value); + } + else + { + HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); + } + break; + case LDBC_METHOD_HASH_INT_IP_AND_EXT_IP: + HASH_VALUE(outer_src_addr, outer_addr_len, hash_value); + HASH_VALUE(outer_dst_addr, outer_addr_len, temp); + hash_value = hash_value ^ temp; + break; + case LDBC_METHOD_HASH_INNERMOST_INT_IP: + if (dir_is_i2e) + { + HASH_VALUE(inner_src_addr, inner_addr_len, hash_value); + } + else + { + HASH_VALUE(inner_dst_addr, inner_addr_len, hash_value); + } + break; + case LDBC_METHOD_HASH_INNERMOST_EXT_IP: + if (dir_is_i2e) + { + HASH_VALUE(inner_dst_addr, inner_addr_len, hash_value); + } + else + { + HASH_VALUE(inner_src_addr, inner_addr_len, hash_value); + } + break; + default: + return hash_value; + } + + char *inner_addr_str = two_tuple_tostring(&inner_addr); + char *outer_addr_str = two_tuple_tostring(&outer_addr); + printf("%s: outer_addr: %s, inner_addr: %s, dir: %s, hash_method: %s, hash_value: %lu\n", + LOG_PACKET, outer_addr_str, inner_addr_str, (dir_is_i2e ? "I2E" : "E2I"), ldbc_method_tostring(method), hash_value); + free(inner_addr_str); + free(outer_addr_str); + + return hash_value; +} diff --git a/common/test/CMakeLists.txt b/common/test/CMakeLists.txt index 07d44f4..208495d 100644 --- a/common/test/CMakeLists.txt +++ b/common/test/CMakeLists.txt @@ -1,11 +1,3 @@ -############################################################################### -# gtest_four_tuple -############################################################################### - -add_executable(gtest_four_tuple gtest_four_tuple.cpp) -target_include_directories(gtest_four_tuple PUBLIC ${CMAKE_SOURCE_DIR}/common/include) -target_link_libraries(gtest_four_tuple common gtest) - ############################################################################### # gtest_session_table ############################################################################### @@ -14,14 +6,6 @@ add_executable(gtest_session_table gtest_session_table.cpp) target_include_directories(gtest_session_table PUBLIC ${CMAKE_SOURCE_DIR}/common/include) target_link_libraries(gtest_session_table common gtest) -############################################################################### -# gtest_data_packet -############################################################################### - -add_executable(gtest_data_packet gtest_data_packet.cpp) -target_include_directories(gtest_data_packet PUBLIC ${CMAKE_SOURCE_DIR}/common/include) -target_link_libraries(gtest_data_packet common gtest) - ############################################################################### # gtest_control_packet ############################################################################### @@ -51,9 +35,7 @@ target_link_libraries(gtest_health_check_table common gtest platform) ############################################################################### include(GoogleTest) -gtest_discover_tests(gtest_four_tuple) gtest_discover_tests(gtest_session_table) -gtest_discover_tests(gtest_data_packet) gtest_discover_tests(gtest_control_packet) gtest_discover_tests(gtest_utils) gtest_discover_tests(gtest_health_check_table) diff --git a/common/test/gtest_data_packet.cpp b/common/test/gtest_data_packet.cpp deleted file mode 100644 index 133b357..0000000 --- a/common/test/gtest_data_packet.cpp +++ /dev/null @@ -1,1360 +0,0 @@ -#include -#include - -#include "data_packet.h" -#include "four_tuple.h" - -/****************************************************************************** - * Pcap file: 1-ETH_VLAN_VLAN_IP4_IP4_UDP.pcap - * [Protocols in frame: eth:ethertype:vlan:ethertype:vlan:ethertype:ip:ip:udp:data] - ****************************************************************************** - * - * Frame 1: 170 bytes on wire (1360 bits), 170 bytes captured (1360 bits) - * Ethernet II, Src: HuaweiTe_3b:b3:9a (a4:c6:4f:3b:b3:9a), Dst: 00:00:00_00:00:04 (00:00:00:00:00:04) - * Destination: 00:00:00_00:00:04 (00:00:00:00:00:04) - * Source: HuaweiTe_3b:b3:9a (a4:c6:4f:3b:b3:9a) - * Type: 802.1Q Virtual LAN (0x8100) - * 802.1Q Virtual LAN, PRI: 3, DEI: 0, ID: 1624 - * 011. .... .... .... = Priority: Critical Applications (3) - * ...0 .... .... .... = DEI: Ineligible - * .... 0110 0101 1000 = ID: 1624 - * Type: 802.1Q Virtual LAN (0x8100) - * 802.1Q Virtual LAN, PRI: 3, DEI: 0, ID: 505 - * 011. .... .... .... = Priority: Critical Applications (3) - * ...0 .... .... .... = DEI: Ineligible - * .... 0001 1111 1001 = ID: 505 - * Type: IPv4 (0x0800) - * Internet Protocol Version 4, Src: 69.67.35.146, Dst: 41.202.46.110 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0xb8 (DSCP: EF PHB, ECN: Not-ECT) - * Total Length: 148 - * Identification: 0xe858 (59480) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 255 - * Protocol: IPIP (4) - * Header Checksum: 0x1148 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 69.67.35.146 - * Destination Address: 41.202.46.110 - * Internet Protocol Version 4, Src: 10.10.100.25, Dst: 10.10.101.2 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0xb8 (DSCP: EF PHB, ECN: Not-ECT) - * Total Length: 128 - * Identification: 0x0001 (1) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 254 - * Protocol: UDP (17) - * Header Checksum: 0xde84 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 10.10.100.25 - * Destination Address: 10.10.101.2 - * User Datagram Protocol, Src Port: 62367, Dst Port: 17000 - * Source Port: 62367 - * Destination Port: 17000 - * Length: 108 - * Checksum: 0x4b9a [unverified] - * [Checksum Status: Unverified] - * [Stream index: 0] - * [Timestamps] - * [Time since first frame: 0.000000000 seconds] - * [Time since previous frame: 0.000000000 seconds] - * UDP payload (100 bytes) - * Data (100 bytes) - */ - -unsigned char data1[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xa4, 0xc6, 0x4f, 0x3b, 0xb3, 0x9a, 0x81, 0x00, 0x66, 0x58, 0x81, 0x00, 0x61, 0xf9, 0x08, 0x00, 0x45, 0xb8, 0x00, 0x94, - 0xe8, 0x58, 0x00, 0x00, 0xff, 0x04, 0x11, 0x48, 0x45, 0x43, 0x23, 0x92, 0x29, 0xca, 0x2e, 0x6e, 0x45, 0xb8, 0x00, 0x80, 0x00, 0x01, 0x00, 0x00, 0xfe, 0x11, - 0xde, 0x84, 0x0a, 0x0a, 0x64, 0x19, 0x0a, 0x0a, 0x65, 0x02, 0xf3, 0x9f, 0x42, 0x68, 0x00, 0x6c, 0x4b, 0x9a, 0x00, 0x02, 0x00, 0x00, 0x04, 0x73, 0x6c, 0x10, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, - 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, - 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, - 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd}; - -TEST(DATA_PACKET, ETH_VLAN_VLAN_IP4_IP4_UDP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data1 == 70); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.10.100.25 62367 10.10.101.2 17000"); - EXPECT_STREQ(outer_addr_str, "10.10.100.25 62367 10.10.101.2 17000"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.10.100.25 0 10.10.101.2 0"); - EXPECT_STREQ(outer_addr_str, "69.67.35.146 0 41.202.46.110 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 2-ETH_IP6_IP4_TCP_SSH.pcap - * [Protocols in frame: eth:ethertype:ipv6:ip:tcp:ssh] - ****************************************************************************** - * - * Frame 1: 726 bytes on wire (5808 bits), 726 bytes captured (5808 bits) - * Ethernet II, Src: EvocInte_36:51:3c (00:22:46:36:51:3c), Dst: EvocInte_36:51:38 (00:22:46:36:51:38) - * Destination: EvocInte_36:51:38 (00:22:46:36:51:38) - * Source: EvocInte_36:51:3c (00:22:46:36:51:3c) - * Type: IPv6 (0x86dd) - * Internet Protocol Version 6, Src: 2001::192:168:40:134, Dst: 2001::192:168:40:133 - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 672 - * Next Header: IPIP (4) - * Hop Limit: 64 - * Source Address: 2001::192:168:40:134 - * Destination Address: 2001::192:168:40:133 - * [Source Teredo Server IPv4: 0.0.0.0] - * [Source Teredo Port: 65175] - * [Source Teredo Client IPv4: 255.191.254.203] - * [Destination Teredo Server IPv4: 0.0.0.0] - * [Destination Teredo Port: 65175] - * [Destination Teredo Client IPv4: 255.191.254.204] - * Internet Protocol Version 4, Src: 1.1.1.1, Dst: 2.2.2.2 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 672 - * Identification: 0x0968 (2408) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 212 - * Protocol: TCP (6) - * Header Checksum: 0xd4ea [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 1.1.1.1 - * Destination Address: 2.2.2.2 - * Transmission Control Protocol, Src Port: 57639, Dst Port: 22, Seq: 1, Ack: 1, Len: 632 - * Source Port: 57639 - * Destination Port: 22 - * [Stream index: 0] - * [Conversation completeness: Incomplete (8)] - * [TCP Segment Len: 632] - * Sequence Number: 1 (relative sequence number) - * Sequence Number (raw): 1508621024 - * [Next Sequence Number: 633 (relative sequence number)] - * Acknowledgment Number: 1 (relative ack number) - * Acknowledgment number (raw): 2828957019 - * 0101 .... = Header Length: 20 bytes (5) - * Flags: 0x018 (PSH, ACK) - * Window: 28584 - * [Calculated window size: 28584] - * [Window size scaling factor: -1 (unknown)] - * Checksum: 0xc51f [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * [Timestamps] - * [SEQ/ACK analysis] - * TCP payload (632 bytes) - * SSH Protocol - */ - -unsigned char data2[] = { - 0x00, 0x22, 0x46, 0x36, 0x51, 0x38, 0x00, 0x22, 0x46, 0x36, 0x51, 0x3c, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x02, 0xa0, 0x04, 0x40, 0x20, 0x01, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x01, 0x92, 0x01, 0x68, 0x00, 0x40, 0x01, 0x34, 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x92, 0x01, 0x68, 0x00, 0x40, - 0x01, 0x33, 0x45, 0x00, 0x02, 0xa0, 0x09, 0x68, 0x00, 0x00, 0xd4, 0x06, 0xd4, 0xea, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0xe1, 0x27, 0x00, 0x16, - 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0xf8, 0xae, 0x61, 0x4b, 0x59, 0xa1, 0xbe, 0x4a, 0x94, 0x12, 0xa3, 0x05, 0x4a, 0x26, 0x85, 0xbd, 0x5e, 0x59, 0xb2, 0xc2, 0x24, 0xec, 0xd6, 0x94, 0x6e, 0xc5, - 0x7a, 0xdf, 0x21, 0x21, 0xe4, 0x06, 0x67, 0x89, 0xe0, 0x76, 0x85, 0xa9, 0x00, 0x43, 0xfe, 0x72, 0x8c, 0x10, 0xe4, 0x96, 0x63, 0x1a, 0xe8, 0x84, 0xe1, 0x86, - 0xa2, 0xa5, 0x67, 0x31, 0x67, 0x44, 0xca, 0xec, 0xe8, 0xa1, 0x3e, 0x5f, 0x4e, 0x71, 0x5d, 0xd4, 0x34, 0xa9, 0x3d, 0xfa, 0x6a, 0xdb, 0xfb, 0x28, 0x2b, 0x70, - 0xcc, 0xf1, 0x3c, 0x7c, 0xf5, 0x39, 0xb5, 0xd0, 0xa2, 0x56, 0x22, 0x96, 0x7e, 0xc5, 0x0e, 0x66, 0x2d, 0xcd, 0x5c, 0x33, 0x43, 0x1c, 0xca, 0x17, 0x77, 0x46, - 0xb2, 0x41, 0x06, 0x8a, 0x7c, 0x7c, 0x66, 0x06, 0x18, 0x33, 0x21, 0x16, 0x8f, 0x5a, 0xb7, 0xdd, 0x10, 0xa1, 0xab, 0xe9, 0x66, 0xf7, 0x90, 0x22, 0x2c, 0xbe, - 0xdd, 0xad, 0xe1, 0x40, 0xe9, 0x21, 0x53, 0x97, 0x07, 0x97, 0x6b, 0xd6, 0x91, 0x11, 0x44, 0x4e, 0x9d, 0x1f, 0x57, 0x07, 0xed, 0xa2, 0xac, 0x77, 0xc0, 0x84, - 0xb7, 0xc5, 0x2b, 0xaa, 0x17, 0xd2, 0xdb, 0x2a, 0x15, 0x47, 0x2b, 0x69, 0xf1, 0xb4, 0xb5, 0x8f, 0x98, 0xcf, 0x26, 0x03, 0xf0, 0x4b, 0x1a, 0xba, 0x94, 0xc4, - 0x12, 0xe3, 0xd1, 0x38, 0x0c, 0x2e, 0x87, 0x33, 0x0f, 0xe1, 0xa6, 0xba, 0x75, 0xd0, 0xa4, 0x94, 0x80, 0x49, 0x67, 0xa8, 0x90, 0x31, 0x19, 0xaa, 0xf9, 0x78, - 0x0d, 0xdd, 0x64, 0xe3, 0xc7, 0x0e, 0x81, 0xa7, 0x6b, 0x44, 0x0c, 0xb5, 0xa0, 0x25, 0x8a, 0xa2, 0xdc, 0x5e, 0xbc, 0xcd, 0xb4, 0x87, 0x1b, 0x6c, 0x08, 0x38, - 0x63, 0xa8, 0xc1, 0xde, 0xe2, 0xa1, 0xa4, 0x19, 0x1e, 0x3c, 0x67, 0x3b, 0xf7, 0x7f, 0x67, 0xfb, 0x50, 0x9a, 0x06, 0x5c, 0xdd, 0xf2, 0x26, 0x2c, 0xb9, 0xd2, - 0xbd, 0x80, 0xd5, 0xfc, 0xc5, 0x54, 0x6c, 0xc1, 0xea, 0x76, 0x3e, 0xd4, 0xbb, 0x57, 0x65, 0x6a, 0xf8, 0x8e, 0x3e, 0x93, 0xe5, 0x03, 0xfc, 0xce, 0xf1, 0x1c, - 0xf3, 0x10, 0xae, 0x87, 0x78, 0x46, 0x02, 0x63, 0xc5, 0xc0, 0x41, 0xbd, 0xae, 0x46, 0x68, 0x0c, 0x92, 0x22, 0xa4, 0xc0, 0xce, 0xf3, 0xc4, 0xf7, 0x83, 0xa9, - 0x22, 0x78, 0x74, 0x7f, 0x2e, 0xc1, 0xc6, 0x3b, 0x72, 0x26, 0x4b, 0x45, 0xbd, 0x1b, 0x9f, 0x66, 0x61, 0x46, 0xbb, 0x0f, 0xf3, 0xc5, 0x65, 0x95, 0xbc, 0xae, - 0x8f, 0x37, 0xfd, 0xa3, 0x20, 0xb6, 0xe4, 0xa8, 0xff, 0x45, 0xa1, 0x01, 0xa1, 0x76, 0xb3, 0xad, 0x16, 0x07, 0x39, 0x58, 0x3b, 0x34, 0xe9, 0xe6, 0xc0, 0xee, - 0x7f, 0x65, 0x6f, 0x68, 0xf4, 0x45, 0xa4, 0x85, 0xa7, 0x50, 0x63, 0xce, 0x0b, 0x0d, 0xbd, 0xd1, 0x20, 0xc8, 0x41, 0x37, 0x05, 0x1f, 0x81, 0xf3, 0x7c, 0xe7, - 0x67, 0x15, 0xce, 0xad, 0x76, 0x95, 0x1a, 0x93, 0x4a, 0xab, 0xc4, 0xea, 0x30, 0x44, 0x13, 0x47, 0xec, 0x79, 0xa2, 0x41, 0x0c, 0xdd, 0x42, 0xdf, 0xbf, 0x02, - 0xef, 0x9e, 0x67, 0x7e, 0x1e, 0xb0, 0x2a, 0x7f, 0x97, 0xf3, 0x5a, 0xbc, 0x21, 0x8d, 0xf9, 0xc3, 0x30, 0x45, 0xfe, 0x72, 0x74, 0x04, 0x53, 0x99, 0xe7, 0xd1, - 0x2b, 0xb6, 0x3a, 0x9c, 0x84, 0x0e, 0x15, 0x5e, 0x75, 0x3b, 0xc9, 0x0e, 0x94, 0xe6, 0x48, 0x0e, 0x37, 0x07, 0xf8, 0xd9, 0x59, 0x4b, 0x04, 0x50}; - -TEST(DATA_PACKET, ETH_IP6_IP4_TCP_SSH) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data2, sizeof(data2), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data2 == 94); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "1.1.1.1 57639 2.2.2.2 22"); - EXPECT_STREQ(outer_addr_str, "1.1.1.1 57639 2.2.2.2 22"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "1.1.1.1 0 2.2.2.2 0"); - EXPECT_STREQ(outer_addr_str, "2001::192:168:40:134 0 2001::192:168:40:133 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 3-ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS.pcap - * [Protocols in frame: eth:ethertype:vlan:ethertype:ipv6:ip:gre:ppp:ip:udp:dns] - ****************************************************************************** - * - * Frame 1: 272 bytes on wire (2176 bits), 272 bytes captured (2176 bits) - * Ethernet II, Src: Cisco_e6:82:c4 (00:19:06:e6:82:c4), Dst: 10:01:00:00:61:3d (10:01:00:00:61:3d) - * Destination: 10:01:00:00:61:3d (10:01:00:00:61:3d) - * Source: Cisco_e6:82:c4 (00:19:06:e6:82:c4) - * Type: 802.1Q Virtual LAN (0x8100) - * 802.1Q Virtual LAN, PRI: 0, DEI: 0, ID: 100 - * 000. .... .... .... = Priority: Best Effort (default) (0) - * ...0 .... .... .... = DEI: Ineligible - * .... 0000 0110 0100 = ID: 100 - * Type: IPv6 (0x86dd) - * Internet Protocol Version 6, Src: 2607:fcd0:100:2300::b108:2a6b, Dst: 2402:f000:1:8e01::5555 - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 214 - * Next Header: IPIP (4) - * Hop Limit: 57 - * Source Address: 2607:fcd0:100:2300::b108:2a6b - * Destination Address: 2402:f000:1:8e01::5555 - * Internet Protocol Version 4, Src: 192.52.166.154, Dst: 16.0.0.200 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 214 - * Identification: 0x842f (33839) - * 010. .... = Flags: 0x2, Don't fragment - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 64 - * Protocol: Generic Routing Encapsulation (47) - * Header Checksum: 0x3e33 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 192.52.166.154 - * Destination Address: 16.0.0.200 - * Generic Routing Encapsulation (PPP) - * Flags and Version: 0x3081 - * Protocol Type: PPP (0x880b) - * Payload Length: 178 - * Call ID: 17 - * Sequence Number: 538640 - * Acknowledgment Number: 429725 - * Point-to-Point Protocol - * Address: 0xff - * Control: 0x03 - * Protocol: Internet Protocol version 4 (0x0021) - * Internet Protocol Version 4, Src: 8.8.8.8, Dst: 172.16.44.3 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 174 - * Identification: 0x2f9c (12188) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 50 - * Protocol: UDP (17) - * Header Checksum: 0x7080 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 8.8.8.8 - * Destination Address: 172.16.44.3 - * User Datagram Protocol, Src Port: 53, Dst Port: 9879 - * Source Port: 53 - * Destination Port: 9879 - * Length: 154 - * Checksum: 0x45d9 [unverified] - * [Checksum Status: Unverified] - * [Stream index: 0] - * [Timestamps] - * UDP payload (146 bytes) - * Domain Name System (response) - */ - -unsigned char data3[] = { - 0x10, 0x01, 0x00, 0x00, 0x61, 0x3d, 0x00, 0x19, 0x06, 0xe6, 0x82, 0xc4, 0x81, 0x00, 0x00, 0x64, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x00, 0xd6, 0x04, 0x39, - 0x26, 0x07, 0xfc, 0xd0, 0x01, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb1, 0x08, 0x2a, 0x6b, 0x24, 0x02, 0xf0, 0x00, 0x00, 0x01, 0x8e, 0x01, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x45, 0x00, 0x00, 0xd6, 0x84, 0x2f, 0x40, 0x00, 0x40, 0x2f, 0x3e, 0x33, 0xc0, 0x34, 0xa6, 0x9a, 0x10, 0x00, 0x00, 0xc8, - 0x30, 0x81, 0x88, 0x0b, 0x00, 0xb2, 0x00, 0x11, 0x00, 0x08, 0x38, 0x10, 0x00, 0x06, 0x8e, 0x9d, 0xff, 0x03, 0x00, 0x21, 0x45, 0x00, 0x00, 0xae, 0x2f, 0x9c, - 0x00, 0x00, 0x32, 0x11, 0x70, 0x80, 0x08, 0x08, 0x08, 0x08, 0xac, 0x10, 0x2c, 0x03, 0x00, 0x35, 0x26, 0x97, 0x00, 0x9a, 0x45, 0xd9, 0xb4, 0xe2, 0x81, 0x83, - 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x35, 0x78, 0x71, 0x74, 0x2d, 0x64, 0x65, 0x74, 0x65, 0x63, 0x74, 0x2d, 0x6d, 0x6f, 0x64, 0x65, 0x32, 0x2d, - 0x37, 0x38, 0x63, 0x30, 0x36, 0x64, 0x63, 0x37, 0x2d, 0x30, 0x34, 0x61, 0x37, 0x2d, 0x34, 0x38, 0x35, 0x33, 0x2d, 0x38, 0x34, 0x38, 0x33, 0x2d, 0x61, 0x35, - 0x36, 0x32, 0x38, 0x39, 0x37, 0x36, 0x65, 0x32, 0x33, 0x33, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x02, 0xf0, 0x00, 0x40, - 0x01, 0x61, 0x0c, 0x72, 0x6f, 0x6f, 0x74, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x03, 0x6e, 0x65, 0x74, 0x00, 0x05, 0x6e, 0x73, 0x74, 0x6c, 0x64, - 0x0c, 0x76, 0x65, 0x72, 0x69, 0x73, 0x69, 0x67, 0x6e, 0x2d, 0x67, 0x72, 0x73, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0x78, 0x0d, 0x09, 0x09, 0x00, 0x00, 0x07, 0x08, - 0x00, 0x00, 0x03, 0x84, 0x00, 0x09, 0x3a, 0x80, 0x00, 0x01, 0x51, 0x80}; - -#if 0 -TEST(DATA_PACKET, ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data3, sizeof(data3), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data3 == 126); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "8.8.8.8 53 172.16.44.3 9879"); - EXPECT_STREQ(outer_addr_str, "8.8.8.8 53 172.16.44.3 9879"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "8.8.8.8 0 172.16.44.3 0"); - EXPECT_STREQ(outer_addr_str, "2607:fcd0:100:2300::b108:2a6b 0 2402:f000:1:8e01::5555 0"); - free(inner_addr_str); - free(outer_addr_str); -} -#endif - -/****************************************************************************** - * Pcap file: 4-ETH_IP4_IP6_TCP.pcap - * [Protocols in frame: eth:ethertype:ip:ipv6:tcp] - ****************************************************************************** - * - * Frame 1: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) - * Ethernet II, Src: JuniperN_45:88:29 (2c:6b:f5:45:88:29), Dst: JuniperN_2a:a2:00 (5c:5e:ab:2a:a2:00) - * Destination: JuniperN_2a:a2:00 (5c:5e:ab:2a:a2:00) - * Source: JuniperN_45:88:29 (2c:6b:f5:45:88:29) - * Type: IPv4 (0x0800) - * Internet Protocol Version 4, Src: 210.77.88.163, Dst: 59.66.4.50 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 92 - * Identification: 0x0b4d (2893) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 59 - * Protocol: IPv6 (41) - * Header Checksum: 0x09c8 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 210.77.88.163 - * Destination Address: 59.66.4.50 - * Internet Protocol Version 6, Src: 2001:da8:200:900e:200:5efe:d24d:58a3, Dst: 2600:140e:6::1702:1058 - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 32 - * Next Header: TCP (6) - * Hop Limit: 64 - * Source Address: 2001:da8:200:900e:200:5efe:d24d:58a3 - * Destination Address: 2600:140e:6::1702:1058 - * [Source ISATAP IPv4: 210.77.88.163] - * Transmission Control Protocol, Src Port: 52556, Dst Port: 80, Seq: 0, Len: 0 - * Source Port: 52556 - * Destination Port: 80 - * [Stream index: 0] - * [Conversation completeness: Complete, WITH_DATA (31)] - * [TCP Segment Len: 0] - * Sequence Number: 0 (relative sequence number) - * Sequence Number (raw): 2172673142 - * [Next Sequence Number: 1 (relative sequence number)] - * Acknowledgment Number: 0 - * Acknowledgment number (raw): 0 - * 1000 .... = Header Length: 32 bytes (8) - * Flags: 0x002 (SYN) - * Window: 8192 - * [Calculated window size: 8192] - * Checksum: 0xf757 [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * Options: (12 bytes), Maximum segment size, No-Operation (NOP), Window scale, No-Operation (NOP), No-Operation (NOP), SACK permitted - * [Timestamps] - */ - -unsigned char data4[] = { - 0x5c, 0x5e, 0xab, 0x2a, 0xa2, 0x00, 0x2c, 0x6b, 0xf5, 0x45, 0x88, 0x29, 0x08, 0x00, 0x45, 0x00, 0x00, 0x5c, 0x0b, 0x4d, 0x00, 0x00, 0x3b, 0x29, 0x09, 0xc8, - 0xd2, 0x4d, 0x58, 0xa3, 0x3b, 0x42, 0x04, 0x32, 0x60, 0x00, 0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x20, 0x01, 0x0d, 0xa8, 0x02, 0x00, 0x90, 0x0e, 0x02, 0x00, - 0x5e, 0xfe, 0xd2, 0x4d, 0x58, 0xa3, 0x26, 0x00, 0x14, 0x0e, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x02, 0x10, 0x58, 0xcd, 0x4c, 0x00, 0x50, - 0x81, 0x80, 0x5c, 0x76, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20, 0x00, 0xf7, 0x57, 0x00, 0x00, 0x02, 0x04, 0x04, 0xc4, 0x01, 0x03, 0x03, 0x08, 0x01, 0x01, - 0x04, 0x02}; - -TEST(DATA_PACKET, ETH_IP4_IP6_TCP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data4, sizeof(data4), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data4 == 106); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "2001:da8:200:900e:200:5efe:d24d:58a3 52556 2600:140e:6::1702:1058 80"); - EXPECT_STREQ(outer_addr_str, "2001:da8:200:900e:200:5efe:d24d:58a3 52556 2600:140e:6::1702:1058 80"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "2001:da8:200:900e:200:5efe:d24d:58a3 0 2600:140e:6::1702:1058 0"); - EXPECT_STREQ(outer_addr_str, "210.77.88.163 0 59.66.4.50 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 5-ETH_IP6_IP6_UDP.pcap - * [Protocols in frame: eth:ethertype:ipv6:ipv6:udp:data] - ****************************************************************************** - * - * Frame 1: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) - * Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: Broadcast (ff:ff:ff:ff:ff:ff) - * Destination: Broadcast (ff:ff:ff:ff:ff:ff) - * Source: 00:00:00_00:00:00 (00:00:00:00:00:00) - * Type: IPv6 (0x86dd) - * Internet Protocol Version 6, Src: 2001:4f8:4:7:2e0:81ff:fe52:ffff, Dst: 2001:4f8:4:7:2e0:81ff:fe52:9a6b - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 52 - * Next Header: IPv6 (41) - * Hop Limit: 64 - * Source Address: 2001:4f8:4:7:2e0:81ff:fe52:ffff - * Destination Address: 2001:4f8:4:7:2e0:81ff:fe52:9a6b - * [Source SLAAC MAC: TyanComp_52:ff:ff (00:e0:81:52:ff:ff)] - * [Destination SLAAC MAC: TyanComp_52:9a:6b (00:e0:81:52:9a:6b)] - * Internet Protocol Version 6, Src: dead::beef, Dst: cafe::babe - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 12 - * Next Header: UDP (17) - * Hop Limit: 64 - * Source Address: dead::beef - * Destination Address: cafe::babe - * User Datagram Protocol, Src Port: 30000, Dst Port: 13000 - * Source Port: 30000 - * Destination Port: 13000 - * Length: 12 - * Checksum: 0x83d2 [unverified] - * [Checksum Status: Unverified] - * [Stream index: 0] - * [Timestamps] - * UDP payload (4 bytes) - * Data (4 bytes) - */ - -unsigned char data5[] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x00, 0x34, 0x29, 0x40, 0x20, 0x01, 0x04, 0xf8, - 0x00, 0x04, 0x00, 0x07, 0x02, 0xe0, 0x81, 0xff, 0xfe, 0x52, 0xff, 0xff, 0x20, 0x01, 0x04, 0xf8, 0x00, 0x04, 0x00, 0x07, 0x02, 0xe0, 0x81, 0xff, 0xfe, 0x52, - 0x9a, 0x6b, 0x60, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x11, 0x40, 0xde, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0xef, - 0xca, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, 0xbe, 0x75, 0x30, 0x32, 0xc8, 0x00, 0x0c, 0x83, 0xd2, 0x58, 0x58, - 0x58, 0x58}; - -TEST(DATA_PACKET, ETH_IP6_IP6_UDP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data5, sizeof(data5), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data5 == 102); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "dead::beef 30000 cafe::babe 13000"); - EXPECT_STREQ(outer_addr_str, "dead::beef 30000 cafe::babe 13000"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "dead::beef 0 cafe::babe 0"); - EXPECT_STREQ(outer_addr_str, "2001:4f8:4:7:2e0:81ff:fe52:ffff 0 2001:4f8:4:7:2e0:81ff:fe52:9a6b 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 6-ETH_MPLS_IP4_TCP.pcap - * [Protocols in frame: eth:ethertype:mpls:ip:tcp] - ****************************************************************************** - * - * Frame 1: 70 bytes on wire (560 bits), 70 bytes captured (560 bits) - * Ethernet II, Src: Hangzhou_d9:28:cc (00:23:89:d9:28:cc), Dst: HuaweiTe_7f:eb:f7 (d4:6a:a8:7f:eb:f7) - * Destination: HuaweiTe_7f:eb:f7 (d4:6a:a8:7f:eb:f7) - * Source: Hangzhou_d9:28:cc (00:23:89:d9:28:cc) - * Type: MPLS label switched packet (0x8847) - * MultiProtocol Label Switching Header, Label: 18, Exp: 6, S: 1, TTL: 254 - * 0000 0000 0000 0001 0010 .... .... .... = MPLS Label: 18 (0x00012) - * .... .... .... .... .... 110. .... .... = MPLS Experimental Bits: 6 - * .... .... .... .... .... ...1 .... .... = MPLS Bottom Of Label Stack: 1 - * .... .... .... .... .... .... 1111 1110 = MPLS TTL: 254 - * Internet Protocol Version 4, Src: 119.40.37.65, Dst: 123.125.29.250 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 52 - * Identification: 0x02a1 (673) - * 010. .... = Flags: 0x2, Don't fragment - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 126 - * Protocol: TCP (6) - * Header Checksum: 0xc442 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 119.40.37.65 - * Destination Address: 123.125.29.250 - * Transmission Control Protocol, Src Port: 61853, Dst Port: 80, Seq: 0, Len: 0 - * Source Port: 61853 - * Destination Port: 80 - * [Stream index: 0] - * [Conversation completeness: Complete, WITH_DATA (31)] - * [TCP Segment Len: 0] - * Sequence Number: 0 (relative sequence number) - * Sequence Number (raw): 1710561749 - * [Next Sequence Number: 1 (relative sequence number)] - * Acknowledgment Number: 0 - * Acknowledgment number (raw): 0 - * 1000 .... = Header Length: 32 bytes (8) - * Flags: 0x002 (SYN) - * Window: 8192 - * [Calculated window size: 8192] - * Checksum: 0xa777 [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * Options: (12 bytes), Maximum segment size, No-Operation (NOP), Window scale, No-Operation (NOP), No-Operation (NOP), SACK permitted - * [Timestamps] - */ - -unsigned char data6[] = { - 0xd4, 0x6a, 0xa8, 0x7f, 0xeb, 0xf7, 0x00, 0x23, 0x89, 0xd9, 0x28, 0xcc, 0x88, 0x47, 0x00, 0x01, 0x2d, 0xfe, 0x45, 0x00, 0x00, 0x34, 0x02, 0xa1, 0x40, 0x00, - 0x7e, 0x06, 0xc4, 0x42, 0x77, 0x28, 0x25, 0x41, 0x7b, 0x7d, 0x1d, 0xfa, 0xf1, 0x9d, 0x00, 0x50, 0x65, 0xf5, 0x19, 0xd5, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, - 0x20, 0x00, 0xa7, 0x77, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4, 0x01, 0x03, 0x03, 0x08, 0x01, 0x01, 0x04, 0x02}; - -TEST(DATA_PACKET, ETH_MPLS_IP4_TCP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data6, sizeof(data6), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data6 == 70); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "119.40.37.65 61853 123.125.29.250 80"); - EXPECT_STREQ(outer_addr_str, "119.40.37.65 61853 123.125.29.250 80"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "119.40.37.65 0 123.125.29.250 0"); - EXPECT_STREQ(outer_addr_str, "119.40.37.65 0 123.125.29.250 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 7-ETH_MPLS_MPLS_IP4_TCP.pcap - * [Protocols in frame: eth:ethertype:mpls:ip:tcp] - ****************************************************************************** - * - * Frame 1: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) - * Ethernet II, Src: Cisco_05:28:38 (00:30:96:05:28:38), Dst: Cisco_e6:fc:39 (00:30:96:e6:fc:39) - * Destination: Cisco_e6:fc:39 (00:30:96:e6:fc:39) - * Source: Cisco_05:28:38 (00:30:96:05:28:38) - * Type: MPLS label switched packet (0x8847) - * MultiProtocol Label Switching Header, Label: 18, Exp: 5, S: 0, TTL: 255 - * 0000 0000 0000 0001 0010 .... .... .... = MPLS Label: 18 (0x00012) - * .... .... .... .... .... 101. .... .... = MPLS Experimental Bits: 5 - * .... .... .... .... .... ...0 .... .... = MPLS Bottom Of Label Stack: 0 - * .... .... .... .... .... .... 1111 1111 = MPLS TTL: 255 - * MultiProtocol Label Switching Header, Label: 16, Exp: 5, S: 1, TTL: 255 - * 0000 0000 0000 0001 0000 .... .... .... = MPLS Label: 16 (0x00010) - * .... .... .... .... .... 101. .... .... = MPLS Experimental Bits: 5 - * .... .... .... .... .... ...1 .... .... = MPLS Bottom Of Label Stack: 1 - * .... .... .... .... .... .... 1111 1111 = MPLS TTL: 255 - * Internet Protocol Version 4, Src: 10.31.0.1, Dst: 10.34.0.1 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0xb0 (DSCP: Unknown, ECN: Not-ECT) - * Total Length: 44 - * Identification: 0x0000 (0) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 255 - * Protocol: TCP (6) - * Header Checksum: 0xa6d9 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 10.31.0.1 - * Destination Address: 10.34.0.1 - * Transmission Control Protocol, Src Port: 11001, Dst Port: 23, Seq: 0, Len: 0 - * Source Port: 11001 - * Destination Port: 23 - * [Stream index: 0] - * [Conversation completeness: Incomplete (29)] - * [TCP Segment Len: 0] - * Sequence Number: 0 (relative sequence number) - * Sequence Number (raw): 3481568569 - * [Next Sequence Number: 1 (relative sequence number)] - * Acknowledgment Number: 0 - * Acknowledgment number (raw): 0 - * 0110 .... = Header Length: 24 bytes (6) - * Flags: 0x002 (SYN) - * Window: 4128 - * [Calculated window size: 4128] - * Checksum: 0xf791 [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * Options: (4 bytes), Maximum segment size - * [Timestamps] - */ - -unsigned char data7[] = { - 0x00, 0x30, 0x96, 0xe6, 0xfc, 0x39, 0x00, 0x30, 0x96, 0x05, 0x28, 0x38, 0x88, 0x47, 0x00, 0x01, 0x2a, 0xff, 0x00, 0x01, 0x0b, 0xff, 0x45, 0xb0, 0x00, 0x2c, - 0x00, 0x00, 0x00, 0x00, 0xff, 0x06, 0xa6, 0xd9, 0x0a, 0x1f, 0x00, 0x01, 0x0a, 0x22, 0x00, 0x01, 0x2a, 0xf9, 0x00, 0x17, 0xcf, 0x84, 0x85, 0x39, 0x00, 0x00, - 0x00, 0x00, 0x60, 0x02, 0x10, 0x20, 0xf7, 0x91, 0x00, 0x00, 0x02, 0x04, 0x02, 0x18}; - -TEST(DATA_PACKET, ETH_MPLS_MPLS_IP4_TCP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data7, sizeof(data7), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data7 == 66); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.31.0.1 11001 10.34.0.1 23"); - EXPECT_STREQ(outer_addr_str, "10.31.0.1 11001 10.34.0.1 23"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.31.0.1 0 10.34.0.1 0"); - EXPECT_STREQ(outer_addr_str, "10.31.0.1 0 10.34.0.1 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 8-ETH_VLAN_PPPOE_IP4_TCP.pcap - * [Protocols in frame: eth:ethertype:vlan:ethertype:pppoes:ppp:ip:tcp] - ****************************************************************************** - * - * Frame 55: 78 bytes on wire (624 bits), 78 bytes captured (624 bits) - * Ethernet II, Src: 00:00:00_00:04:46 (00:00:00:00:04:46), Dst: 18:10:04:00:02:27 (18:10:04:00:02:27) - * Destination: 18:10:04:00:02:27 (18:10:04:00:02:27) - * Source: 00:00:00_00:04:46 (00:00:00:00:04:46) - * Type: 802.1Q Virtual LAN (0x8100) - * 802.1Q Virtual LAN, PRI: 3, DEI: 0, ID: 1476 - * 011. .... .... .... = Priority: Critical Applications (3) - * ...0 .... .... .... = DEI: Ineligible - * .... 0101 1100 0100 = ID: 1476 - * Type: PPPoE Session (0x8864) - * PPP-over-Ethernet Session - * 0001 .... = Version: 1 - * .... 0001 = Type: 1 - * Code: Session Data (0x00) - * Session ID: 0xb4bc - * Payload Length: 54 - * Point-to-Point Protocol - * Protocol: Internet Protocol version 4 (0x0021) - * Internet Protocol Version 4, Src: 100.65.55.0, Dst: 91.185.14.33 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 52 - * Identification: 0x4ba7 (19367) - * 010. .... = Flags: 0x2, Don't fragment - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 63 - * Protocol: TCP (6) - * Header Checksum: 0xeb01 [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 100.65.55.0 - * Destination Address: 91.185.14.33 - * Transmission Control Protocol, Src Port: 34532, Dst Port: 443, Seq: 491, Ack: 54523, Len: 0 - * Source Port: 34532 - * Destination Port: 443 - * [Stream index: 0] - * [Conversation completeness: Incomplete (12)] - * [TCP Segment Len: 0] - * Sequence Number: 491 (relative sequence number) - * Sequence Number (raw): 3064322674 - * [Next Sequence Number: 491 (relative sequence number)] - * Acknowledgment Number: 54523 (relative ack number) - * Acknowledgment number (raw): 2083649568 - * 1000 .... = Header Length: 32 bytes (8) - * Flags: 0x010 (ACK) - * Window: 4032 - * [Calculated window size: 4032] - * [Window size scaling factor: -1 (unknown)] - * Checksum: 0xc361 [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * Options: (12 bytes), No-Operation (NOP), No-Operation (NOP), Timestamps - * [Timestamps] - * [SEQ/ACK analysis] - */ - -unsigned char data8[] = { - 0x18, 0x10, 0x04, 0x00, 0x02, 0x27, 0x00, 0x00, 0x00, 0x00, 0x04, 0x46, 0x81, 0x00, 0x65, 0xc4, 0x88, 0x64, 0x11, 0x00, 0xb4, 0xbc, 0x00, 0x36, 0x00, 0x21, - 0x45, 0x00, 0x00, 0x34, 0x4b, 0xa7, 0x40, 0x00, 0x3f, 0x06, 0xeb, 0x01, 0x64, 0x41, 0x37, 0x00, 0x5b, 0xb9, 0x0e, 0x21, 0x86, 0xe4, 0x01, 0xbb, 0xb6, 0xa5, - 0xda, 0x72, 0x7c, 0x31, 0xf8, 0x20, 0x80, 0x10, 0x0f, 0xc0, 0xc3, 0x61, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x6f, 0xab, 0xdf, 0x9c, 0x61, 0xc7, 0xc5}; - -TEST(DATA_PACKET, ETH_VLAN_PPPOE_IP4_TCP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data8, sizeof(data8), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data8 == 78); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "100.65.55.0 34532 91.185.14.33 443"); - EXPECT_STREQ(outer_addr_str, "100.65.55.0 34532 91.185.14.33 443"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "100.65.55.0 0 91.185.14.33 0"); - EXPECT_STREQ(outer_addr_str, "100.65.55.0 0 91.185.14.33 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 9-ETH_IP6_UDP_GTP_IP6_TCP_TLS.pcap - * [Protocols in frame: eth:ethertype:ipv6:udp:gtp:ipv6:tcp:ja3:tls] - ****************************************************************************** - * - * Frame 1: 1442 bytes on wire (11536 bits), 1442 bytes captured (11536 bits) - * Ethernet II, Src: zte_0e:f5:40 (74:4a:a4:0e:f5:40), Dst: HuaweiTe_40:e9:c2 (ac:b3:b5:40:e9:c2) - * Destination: HuaweiTe_40:e9:c2 (ac:b3:b5:40:e9:c2) - * Source: zte_0e:f5:40 (74:4a:a4:0e:f5:40) - * Type: IPv6 (0x86dd) - * Internet Protocol Version 6, Src: 2409:8034:4040:5300::105, Dst: 2409:8034:4025::60:61 - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 1388 - * Next Header: UDP (17) - * Hop Limit: 127 - * Source Address: 2409:8034:4040:5300::105 - * Destination Address: 2409:8034:4025::60:61 - * User Datagram Protocol, Src Port: 2152, Dst Port: 2152 - * Source Port: 2152 - * Destination Port: 2152 - * Length: 1388 - * Checksum: 0xeb00 [unverified] - * [Checksum Status: Unverified] - * [Stream index: 0] - * [Timestamps] - * UDP payload (1380 bytes) - * GPRS Tunneling Protocol - * Flags: 0x30 - * Message Type: T-PDU (0xff) - * Length: 1372 - * TEID: 0x024c3cbd (38550717) - * Internet Protocol Version 6, Src: 2409:8c34:4400:700:0:4:0:3, Dst: 2409:8934:5082:2100:ecad:e0e4:530a:c269 - * 0110 .... = Version: 6 - * .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT) - * .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000 - * Payload Length: 1332 - * Next Header: TCP (6) - * Hop Limit: 56 - * Source Address: 2409:8c34:4400:700:0:4:0:3 - * Destination Address: 2409:8934:5082:2100:ecad:e0e4:530a:c269 - * Transmission Control Protocol, Src Port: 443, Dst Port: 46582, Seq: 1, Ack: 1, Len: 1312 - * Source Port: 443 - * Destination Port: 46582 - * [Stream index: 0] - * [Conversation completeness: Incomplete (8)] - * [TCP Segment Len: 1312] - * Sequence Number: 1 (relative sequence number) - * Sequence Number (raw): 2198097831 - * [Next Sequence Number: 1313 (relative sequence number)] - * Acknowledgment Number: 1 (relative ack number) - * Acknowledgment number (raw): 2264498872 - * 0101 .... = Header Length: 20 bytes (5) - * Flags: 0x010 (ACK) - * Window: 529 - * [Calculated window size: 529] - * [Window size scaling factor: -1 (unknown)] - * Checksum: 0x2c4b [unverified] - * [Checksum Status: Unverified] - * Urgent Pointer: 0 - * [Timestamps] - * [SEQ/ACK analysis] - * TCP payload (1312 bytes) - * Transport Layer Security - */ - -unsigned char data9[] = { - 0xac, 0xb3, 0xb5, 0x40, 0xe9, 0xc2, 0x74, 0x4a, 0xa4, 0x0e, 0xf5, 0x40, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, 0x05, 0x6c, 0x11, 0x7f, 0x24, 0x09, 0x80, 0x34, - 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EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data9 == 130); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "2409:8c34:4400:700:0:4:0:3 443 2409:8934:5082:2100:ecad:e0e4:530a:c269 46582"); - EXPECT_STREQ(outer_addr_str, "2409:8034:4040:5300::105 2152 2409:8034:4025::60:61 2152"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "2409:8c34:4400:700:0:4:0:3 0 2409:8934:5082:2100:ecad:e0e4:530a:c269 0"); - EXPECT_STREQ(outer_addr_str, "2409:8034:4040:5300::105 0 2409:8034:4025::60:61 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 10-ETH_IP6_UDP_GTP_IP4_TCP_TLS.pcap - * [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 data10[] = { - 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, - 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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}; - -TEST(DATA_PACKET, ETH_IP6_UDP_GTP_IP4_TCP_TLS) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data10, sizeof(data10), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data10 == 122); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.49.115.138 50081 121.196.250.66 443"); - EXPECT_STREQ(outer_addr_str, "2409:8034:4025::50:a31 2152 2409:8034:4040:5301::204 2152"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "10.49.115.138 0 121.196.250.66 0"); - EXPECT_STREQ(outer_addr_str, "2409:8034:4025::50:a31 0 2409:8034:4040:5301::204 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 11-ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS.pcap - * [Protocols in frame: eth:ethertype:ip:udp:vxlan:eth:ethertype:ip:udp:dns] - ****************************************************************************** - * - * Frame 1: 124 bytes on wire (992 bits), 124 bytes captured (992 bits) - * Ethernet II, Src: zte_6c:fa:43 (00:1e:73:6c:fa:43), Dst: Shanghai_0d:0a (e4:95:6e:20:0d:0a) - * Destination: Shanghai_0d:0a (e4:95:6e:20:0d:0a) - * Source: zte_6c:fa:43 (00:1e:73:6c:fa:43) - * Type: IPv4 (0x0800) - * Internet Protocol Version 4, Src: 10.1.1.1, Dst: 192.168.1.10 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 110 - * Identification: 0x0000 (0) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 254 - * Protocol: UDP (17) - * Header Checksum: 0xefca [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 10.1.1.1 - * Destination Address: 192.168.1.10 - * User Datagram Protocol, Src Port: 50709, Dst Port: 4789 - * Source Port: 50709 - * Destination Port: 4789 - * Length: 90 - * Checksum: 0x0000 [zero-value ignored] - * [Stream index: 0] - * [Timestamps] - * UDP payload (82 bytes) - * Virtual eXtensible Local Area Network - * Flags: 0x0800, VXLAN Network ID (VNI) - * Group Policy ID: 0 - * VXLAN Network Identifier (VNI): 458755 - * Reserved: 0 - * Ethernet II, Src: WistronI_18:18:41 (3c:97:0e:18:18:41), Dst: DawningI_13:70:7a (e8:61:1f:13:70:7a) - * Destination: DawningI_13:70:7a (e8:61:1f:13:70:7a) - * Source: WistronI_18:18:41 (3c:97:0e:18:18:41) - * Type: IPv4 (0x0800) - * Internet Protocol Version 4, Src: 192.168.11.193, Dst: 114.114.114.114 - * 0100 .... = Version: 4 - * .... 0101 = Header Length: 20 bytes (5) - * Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) - * Total Length: 60 - * Identification: 0x0cb6 (3254) - * 000. .... = Flags: 0x0 - * ...0 0000 0000 0000 = Fragment Offset: 0 - * Time to Live: 64 - * Protocol: UDP (17) - * Header Checksum: 0xbcad [validation disabled] - * [Header checksum status: Unverified] - * Source Address: 192.168.11.193 - * Destination Address: 114.114.114.114 - * User Datagram Protocol, Src Port: 65290, Dst Port: 53 - * Source Port: 65290 - * Destination Port: 53 - * Length: 40 - * Checksum: 0x39e4 [unverified] - * [Checksum Status: Unverified] - * [Stream index: 1] - * [Timestamps] - * UDP payload (32 bytes) - * Domain Name System (query) - */ - -unsigned char data11[] = { - 0xe4, 0x95, 0x6e, 0x20, 0x0d, 0x0a, 0x00, 0x1e, 0x73, 0x6c, 0xfa, 0x43, 0x08, 0x00, 0x45, 0x00, 0x00, 0x6e, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x11, 0xef, 0xca, - 0x0a, 0x01, 0x01, 0x01, 0xc0, 0xa8, 0x01, 0x0a, 0xc6, 0x15, 0x12, 0xb5, 0x00, 0x5a, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x07, 0x00, 0x03, 0x00, 0xe8, 0x61, - 0x1f, 0x13, 0x70, 0x7a, 0x3c, 0x97, 0x0e, 0x18, 0x18, 0x41, 0x08, 0x00, 0x45, 0x00, 0x00, 0x3c, 0x0c, 0xb6, 0x00, 0x00, 0x40, 0x11, 0xbc, 0xad, 0xc0, 0xa8, - 0x0b, 0xc1, 0x72, 0x72, 0x72, 0x72, 0xff, 0x0a, 0x00, 0x35, 0x00, 0x28, 0x39, 0xe4, 0x86, 0x84, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x03, 0x77, 0x77, 0x77, 0x06, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0x00, 0x01, 0x00, 0x01}; - -TEST(DATA_PACKET, ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data11, sizeof(data11), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data11 == 92); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - char *inner_addr_str = NULL; - char *outer_addr_str = NULL; - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "192.168.11.193 65290 114.114.114.114 53"); - EXPECT_STREQ(outer_addr_str, "10.1.1.1 50709 192.168.1.10 4789"); - free(inner_addr_str); - free(outer_addr_str); - - memset(&inner_addr, 0, sizeof(inner_addr)); - memset(&outer_addr, 0, sizeof(outer_addr)); - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == 0); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == 0); - inner_addr_str = four_tuple_to_string(&inner_addr); - outer_addr_str = four_tuple_to_string(&outer_addr); - EXPECT_STREQ(inner_addr_str, "192.168.11.193 0 114.114.114.114 0"); - EXPECT_STREQ(outer_addr_str, "10.1.1.1 0 192.168.1.10 0"); - free(inner_addr_str); - free(outer_addr_str); -} - -/****************************************************************************** - * Pcap file: 12-ETH_MPLS_MPLS_PWETHCW_ETH_ARP.pcap - * [Protocols in frame: eth:ethertype:mpls:pwethheuristic:pwethcw:eth:ethertype:arp] - ****************************************************************************** - * - * Frame 1: 90 bytes on wire (720 bits), 90 bytes captured (720 bits) - * Ethernet II, Src: cc:01:0d:5c:00:10 (cc:01:0d:5c:00:10), Dst: cc:00:0d:5c:00:10 (cc:00:0d:5c:00:10) - * Destination: cc:00:0d:5c:00:10 (cc:00:0d:5c:00:10) - * Source: cc:01:0d:5c:00:10 (cc:01:0d:5c:00:10) - * Type: MPLS label switched packet (0x8847) - * MultiProtocol Label Switching Header, Label: 19, Exp: 0, S: 0, TTL: 254 - * 0000 0000 0000 0001 0011 .... .... .... = MPLS Label: 19 (0x00013) - * .... .... .... .... .... 000. .... .... = MPLS Experimental Bits: 0 - * .... .... .... .... .... ...0 .... .... = MPLS Bottom Of Label Stack: 0 - * .... .... .... .... .... .... 1111 1110 = MPLS TTL: 254 - * MultiProtocol Label Switching Header, Label: 16, Exp: 0, S: 1, TTL: 255 - * 0000 0000 0000 0001 0000 .... .... .... = MPLS Label: 16 (0x00010) - * .... .... .... .... .... 000. .... .... = MPLS Experimental Bits: 0 - * .... .... .... .... .... ...1 .... .... = MPLS Bottom Of Label Stack: 1 - * .... .... .... .... .... .... 1111 1111 = MPLS TTL: 255 - * PW Ethernet Control Word - * Sequence Number: 0 - * Ethernet II, Src: Private_66:68:00 (00:50:79:66:68:00), Dst: Broadcast (ff:ff:ff:ff:ff:ff) - * Destination: Broadcast (ff:ff:ff:ff:ff:ff) - * Source: Private_66:68:00 (00:50:79:66:68:00) - * Type: ARP (0x0806) - * Trailer: 00000000000000000000000000000000000000000000 - * Address Resolution Protocol (request) - */ - -unsigned char data12[] = { - 0xcc, 0x00, 0x0d, 0x5c, 0x00, 0x10, 0xcc, 0x01, 0x0d, 0x5c, 0x00, 0x10, 0x88, 0x47, 0x00, 0x01, 0x30, 0xfe, 0x00, 0x01, 0x01, 0xff, 0x00, 0x00, 0x00, 0x00, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x50, 0x79, 0x66, 0x68, 0x00, 0x08, 0x06, 0x00, 0x01, 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0x00, 0x50, 0x79, 0x66, - 0x68, 0x00, 0xc0, 0xa8, 0x00, 0x0a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xa8, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -TEST(DATA_PACKET, ETH_MPLS_MPLS_PWETHCW_ETH_ARP) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data12, sizeof(data12), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data12 == 40); - - struct four_tuple inner_addr; - struct four_tuple outer_addr; - - EXPECT_TRUE(data_packet_get_innermost_four_tuple(&handler, &inner_addr) == -1); - EXPECT_TRUE(data_packet_get_outermost_four_tuple(&handler, &outer_addr) == -1); - - EXPECT_TRUE(data_packet_get_innermost_address(&handler, &inner_addr) == -1); - EXPECT_TRUE(data_packet_get_outermost_address(&handler, &outer_addr) == -1); -} - -TEST(DATA_PACKET, GET_HASH_VALUE) -{ - struct data_packet handler; - - const void *payload = data_packet_parse(&handler, (const void *)data4, sizeof(data4), 0); - EXPECT_TRUE(payload != nullptr); - EXPECT_TRUE((char *)payload - (char *)&data4 == 106); - - // inner_addr_str: "2001:da8:200:900e:200:5efe:d24d:58a3 0 2600:140e:6::1702:1058 0" - // outer_addr_str: "210.77.88.163 0 59.66.4.50 0" - - EXPECT_TRUE(data_packet_get_hash(&handler, LDBC_METHOD_HASH_INT_IP, 1) == data_packet_get_hash(&handler, LDBC_METHOD_HASH_EXT_IP, 0)); - EXPECT_TRUE(data_packet_get_hash(&handler, LDBC_METHOD_HASH_EXT_IP, 1) == data_packet_get_hash(&handler, LDBC_METHOD_HASH_INT_IP, 0)); - - EXPECT_TRUE(data_packet_get_hash(&handler, LDBC_METHOD_HASH_INT_IP_AND_EXT_IP, 1) == data_packet_get_hash(&handler, LDBC_METHOD_HASH_INT_IP_AND_EXT_IP, 0)); - EXPECT_TRUE(data_packet_get_hash(&handler, LDBC_METHOD_HASH_INNERMOST_INT_IP, 1) == data_packet_get_hash(&handler, LDBC_METHOD_HASH_INNERMOST_EXT_IP, 0)); -} - -int main(int argc, char **argv) -{ - ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} diff --git a/common/test/gtest_four_tuple.cpp b/common/test/gtest_four_tuple.cpp deleted file mode 100644 index 7fce8a0..0000000 --- a/common/test/gtest_four_tuple.cpp +++ /dev/null @@ -1,48 +0,0 @@ -#include -#include - -#include "four_tuple.h" - -TEST(ADDR_TUPLE4, IPV4) -{ - char *ret_str = NULL; - struct four_tuple reve_addr; - - INIT_ADDR_V4(orin_addr, "1.2.3.4", 12345, "4.3.2.1", 23456) - four_tuple_reverse(&orin_addr, &reve_addr); - - ret_str = four_tuple_to_string(&orin_addr); - EXPECT_TRUE(ret_str != nullptr); - EXPECT_STREQ(ret_str, "1.2.3.4 12345 4.3.2.1 23456"); - free(ret_str); - - ret_str = four_tuple_to_string(&reve_addr); - EXPECT_TRUE(ret_str != nullptr); - EXPECT_STREQ(ret_str, "4.3.2.1 23456 1.2.3.4 12345"); - free(ret_str); -} - -TEST(ADDR_TUPLE4, IPV6) -{ - char *ret_str = NULL; - struct four_tuple reve_addr; - - INIT_ADDR_V6(orin_addr, "1:2::3", 12345, "a:b::c", 23456); - four_tuple_reverse(&orin_addr, &reve_addr); - - ret_str = four_tuple_to_string(&orin_addr); - EXPECT_TRUE(ret_str != nullptr); - EXPECT_STREQ(ret_str, "1:2::3 12345 a:b::c 23456"); - free(ret_str); - - ret_str = four_tuple_to_string(&reve_addr); - EXPECT_TRUE(ret_str != nullptr); - EXPECT_STREQ(ret_str, "a:b::c 23456 1:2::3 12345"); - free(ret_str); -} - -int main(int argc, char **argv) -{ - ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} \ No newline at end of file diff --git a/common/test/gtest_session_table.cpp b/common/test/gtest_session_table.cpp index 22c5252..e5a1a50 100644 --- a/common/test/gtest_session_table.cpp +++ b/common/test/gtest_session_table.cpp @@ -11,8 +11,10 @@ TEST(STREAM_TABLE, INSERT) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); // TEST Insert EXPECT_TRUE(session_table_insert(table, 1, &addr1, val_hello, free) == 0); @@ -35,9 +37,12 @@ TEST(STREAM_TABLE, SEARCH_BY_ID) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); - INIT_ADDR_V4(addr3, "1.1.1.1", 1111, "2.2.2.2", 2222); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr3; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr3, "1.1.1.1", 1111, "2.2.2.2", 2222); // TEST Insert EXPECT_TRUE(session_table_insert(table, 1, &addr1, val_hello, free) == 0); @@ -67,9 +72,12 @@ TEST(STREAM_TABLE, SEARCH_BY_ADDR) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); - INIT_ADDR_V4(addr3, "1.1.1.1", 1111, "2.2.2.2", 2222); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr3; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr3, "1.1.1.1", 1111, "2.2.2.2", 2222); // TEST Insert EXPECT_TRUE(session_table_insert(table, 1, &addr1, val_hello, free) == 0); @@ -99,8 +107,10 @@ TEST(STREAM_TABLE, SEARCH_BY_REVERSE_ADDR) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); struct four_tuple addr1_reverse; struct four_tuple addr2_reverse; four_tuple_reverse(&addr1, &addr1_reverse); @@ -132,8 +142,10 @@ TEST(STREAM_TABLE, DELETE_BY_ID) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); struct four_tuple addr1_reverse; struct four_tuple addr2_reverse; four_tuple_reverse(&addr1, &addr1_reverse); @@ -169,8 +181,10 @@ TEST(STREAM_TABLE, DELETE_BY_ADDR) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); struct four_tuple addr1_reverse; struct four_tuple addr2_reverse; four_tuple_reverse(&addr1, &addr1_reverse); @@ -206,8 +220,10 @@ TEST(STREAM_TABLE, DELETE_BY_REVERSE_ADDR) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); struct four_tuple addr1_reverse; struct four_tuple addr2_reverse; four_tuple_reverse(&addr1, &addr1_reverse); @@ -243,8 +259,10 @@ TEST(STREAM_TABLE, RESET) char *val_hello = strdup("HELLO"); char *val_world = strdup("WORLD"); - INIT_ADDR_V4(addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); - INIT_ADDR_V6(addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); + struct four_tuple addr1; + SET_HUMAN_READABLE_IPV4_TUPLE(&addr1, "1.2.3.4", 1234, "4.3.2.1", 4321); + struct four_tuple addr2; + SET_HUMAN_READABLE_IPV6_TUPLE(&addr2, "2:3:4::5", 2345, "5:4:3::2", 5342); // TEST Insert EXPECT_TRUE(session_table_insert(table, 1, &addr1, val_hello, free) == 0); diff --git a/platform/include/policy.h b/platform/include/policy.h index 50e6de5..e633478 100644 --- a/platform/include/policy.h +++ b/platform/include/policy.h @@ -7,7 +7,7 @@ extern "C" #endif #include "utils.h" -#include "data_packet.h" +#include "packet.h" #include enum traffic_type @@ -138,7 +138,7 @@ void policy_enforcer_destory(struct policy_enforcer *enforcer); // return -1 : error int policy_enforcer_register(struct policy_enforcer *enforcer); int policy_enforce_chaining_size(struct policy_enforcer *enforcer); -void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct selected_chainings *chainings, struct session_ctx *s_ctx, struct data_packet *data_pkt, uint64_t rule_id, int dir_is_i2e); +void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct selected_chainings *chainings, struct session_ctx *s_ctx, struct packet *data_pkt, uint64_t rule_id, int dir_is_i2e); #ifdef __cpluscplus } diff --git a/platform/src/packet_io.cpp b/platform/src/packet_io.cpp index 332d76e..13a68f5 100644 --- a/platform/src/packet_io.cpp +++ b/platform/src/packet_io.cpp @@ -66,6 +66,15 @@ struct packet_io * metadata ******************************************************************************/ +void sce_packet_get_innermost_tuple(const struct packet *handler, struct four_tuple *tuple) +{ + memset(tuple, 0, sizeof(struct four_tuple)); + if (packet_get_innermost_four_tuple(handler, tuple) == -1) + { + packet_get_innermost_two_tuple(handler, &tuple->two_tuple); + } +} + // return 0 : success // return -1 : error int mbuff_get_metadata(marsio_buff_t *rx_buff, struct metadata *meta) @@ -349,14 +358,10 @@ static struct session_ctx *data_packet_search_session(struct session_table *tabl { struct four_tuple inner_addr; struct four_tuple reverse_addr; - struct data_packet data_pkt; + struct packet data_pkt; - memset(&inner_addr, 0, sizeof(struct four_tuple)); - memset(&reverse_addr, 0, sizeof(struct four_tuple)); - - data_packet_parse(&data_pkt, (const void *)raw_data, raw_len, 0); - - data_packet_get_innermost_four_tuple(&data_pkt, &inner_addr); + packet_parse(&data_pkt, raw_data, raw_len); + sce_packet_get_innermost_tuple(&data_pkt, &inner_addr); four_tuple_reverse(&inner_addr, &reverse_addr); struct session_node *node = session_table_search_by_id(table, session_id); @@ -368,7 +373,7 @@ static struct session_ctx *data_packet_search_session(struct session_table *tabl struct session_ctx *session_ctx = (struct session_ctx *)node->value; if (memcmp(&session_ctx->inner_tuple4, &inner_addr, sizeof(struct four_tuple)) != 0 && memcmp(&session_ctx->inner_tuple4, &reverse_addr, sizeof(struct four_tuple)) != 0) { - char *addr_str = four_tuple_to_string(&inner_addr); + char *addr_str = four_tuple_tostring(&inner_addr); LOG_ERROR("%s: unexpected raw packet, session %lu expected address tuple4 is %s, but current packet's address tuple4 is %s, bypass !!!", LOG_TAG_PKTIO, session_ctx->session_id, session_ctx->session_addr, addr_str); free(addr_str); return NULL; @@ -382,18 +387,15 @@ static struct session_ctx *data_packet_search_session(struct session_table *tabl static struct session_ctx *inject_packet_search_session(struct session_table *table, const char *raw_data, int raw_len) { struct four_tuple inner_addr; - struct data_packet data_pkt; + struct packet data_pkt; - memset(&inner_addr, 0, sizeof(struct four_tuple)); - - data_packet_parse(&data_pkt, (const void *)raw_data, raw_len, 0); - - data_packet_get_innermost_four_tuple(&data_pkt, &inner_addr); + packet_parse(&data_pkt, raw_data, raw_len); + sce_packet_get_innermost_tuple(&data_pkt, &inner_addr); struct session_node *node = session_table_search_by_addr(table, &inner_addr); if (node == NULL) { - char *addr_str = four_tuple_to_string(&inner_addr); + char *addr_str = four_tuple_tostring(&inner_addr); LOG_ERROR("%s: unexpected inject packet, unable to find session %s from session table, drop !!!", LOG_TAG_PKTIO, addr_str); free(addr_str); return NULL; @@ -878,7 +880,7 @@ static void session_value_free_cb(void *ctx) session_ctx_free(s_ctx); } -static void handle_policy_mutil_hits(struct policy_enforcer *enforcer, struct session_ctx *session_ctx, struct control_packet *ctrl_pkt, data_packet *data_pkt, int is_e2i_dir) +static void handle_policy_mutil_hits(struct policy_enforcer *enforcer, struct session_ctx *session_ctx, struct control_packet *ctrl_pkt, packet *data_pkt, int is_e2i_dir) { for (int i = 0; i < ctrl_pkt->rule_id_num; i++) { @@ -913,21 +915,21 @@ static void handle_session_opening(struct metadata *meta, struct control_packet } #endif - struct data_packet data_pkt; + struct packet data_pkt; struct four_tuple inner_tuple4; - const void *payload = data_packet_parse(&data_pkt, (const void *)meta->raw_data, meta->raw_len, meta->session_id); - data_packet_get_innermost_four_tuple(&data_pkt, &inner_tuple4); - uint16_t real_offset = (char *)payload - meta->raw_data; + const char *payload = packet_parse(&data_pkt, meta->raw_data, meta->raw_len); + sce_packet_get_innermost_tuple(&data_pkt, &inner_tuple4); + uint16_t real_offset = payload - meta->raw_data; if (real_offset != meta->l7offset) { - char *addr_str = four_tuple_to_string(&inner_tuple4); + char *addr_str = four_tuple_tostring(&inner_tuple4); LOG_ERROR("%s: incorrect dataoffset %d in the control zone of session %lu %s, the expect value is %d", LOG_TAG_PKTIO, meta->l7offset, meta->session_id, addr_str, real_offset); free(addr_str); } struct session_ctx *session_ctx = session_ctx_new(); session_ctx->session_id = meta->session_id; - session_ctx->session_addr = four_tuple_to_string(&inner_tuple4); + session_ctx->session_addr = four_tuple_tostring(&inner_tuple4); four_tuple_copy(&session_ctx->inner_tuple4, &inner_tuple4); metadata_deep_copy(session_ctx->ctrl_meta, meta); session_ctx->chainings.chaining_raw = selected_chaining_create(chaining_size, session_ctx->session_id, session_ctx->session_addr); @@ -974,9 +976,9 @@ static void handle_session_active(struct metadata *meta, struct control_packet * { struct session_ctx *session_ctx = (struct session_ctx *)node->value; - struct data_packet data_pkt; - const void *payload = data_packet_parse(&data_pkt, (const void *)meta->raw_data, meta->raw_len, meta->session_id); - uint16_t real_offset = (char *)payload - meta->raw_data; + struct packet data_pkt; + const char *payload = packet_parse(&data_pkt, meta->raw_data, meta->raw_len); + uint16_t real_offset = payload - meta->raw_data; if (real_offset != meta->l7offset) { LOG_ERROR("%s: incorrect dataoffset %d in the control zone of session %lu %s, the expect value is %d", LOG_TAG_PKTIO, meta->l7offset, meta->session_id, session_ctx->session_addr, real_offset); diff --git a/platform/src/policy.cpp b/platform/src/policy.cpp index 494a2e0..78dca52 100644 --- a/platform/src/policy.cpp +++ b/platform/src/policy.cpp @@ -7,7 +7,7 @@ #include "global_metrics.h" #include "health_check.h" -#include "data_packet.h" +#include "packet.h" #include "policy.h" #include "utils.h" #include "log.h" @@ -1682,7 +1682,7 @@ int policy_enforce_chaining_size(struct policy_enforcer *enforcer) return enforcer->config.max_chaining_size; } -void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct selected_chainings *chainings, struct session_ctx *s_ctx, struct data_packet *data_pkt, uint64_t rule_id, int dir_is_i2e) +void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct selected_chainings *chainings, struct session_ctx *s_ctx, struct packet *data_pkt, uint64_t rule_id, int dir_is_i2e) { char buffer[16] = {0}; struct selected_chaining *chaining = NULL; @@ -1731,7 +1731,7 @@ void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct se // sf_index selected_sf->sf_index = chaining->chaining_used; - uint64_t packet_hash = data_packet_get_hash(data_pkt, sff_param->sff_ldbc.method, dir_is_i2e); + uint64_t packet_hash = packet_get_hash(data_pkt, sff_param->sff_ldbc.method, dir_is_i2e); select_sf_from_sff(enforcer, sff_param, selected_sf, s_ctx, packet_hash); LOG_INFO("%s: session %lu %s enforce chaining [%d/%d]: policy: %lu->%d->%d, action: %s->%s->%s", diff --git a/platform/test/gtest_policy.cpp b/platform/test/gtest_policy.cpp index efdfb06..6b74b2b 100644 --- a/platform/test/gtest_policy.cpp +++ b/platform/test/gtest_policy.cpp @@ -2,7 +2,7 @@ #include "sce.h" #include "policy.h" -#include "data_packet.h" +#include "packet.h" #include "global_metrics.h" unsigned char data1[] = { @@ -171,9 +171,9 @@ TEST(POLICY, POLICY_ENFORCER_RAW_TRAFFIC1) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -224,9 +224,9 @@ TEST(POLICY, POLICY_ENFORCER_RAW_TRAFFIC2) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -318,9 +318,9 @@ TEST(POLICY, POLICY_ENFORCER_RAW_TRAFFIC_MUTIL_HITS) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -417,9 +417,9 @@ TEST(POLICY, POLICY_ENFORCER_DECRYPTED_TRAFFIC1) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -471,9 +471,9 @@ TEST(POLICY, POLICY_ENFORCER_DECRYPTED_TRAFFIC2) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -566,9 +566,9 @@ TEST(POLICY, POLICY_ENFORCER_DECRYPTED_TRAFFIC_MUTIL_HITS) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70); @@ -665,9 +665,9 @@ TEST(POLICY, POLICY_ENFORCER_MIX_TRAFFIC_MUTIL_HITS) s_ctx.session_id = 1; s_ctx.session_addr = (char *)"1.1.1.1 11 2.2.2.2 22"; - struct data_packet handler; + struct packet handler; - const void *payload = data_packet_parse(&handler, (const void *)data1, sizeof(data1), 0); + const char *payload = packet_parse(&handler, (const char *)data1, sizeof(data1)); EXPECT_TRUE(payload != nullptr); EXPECT_TRUE((char *)payload - (char *)&data1 == 70);