diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index 0fe6e27..feee134 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -1,4 +1,4 @@ -add_library(common src/addr_tuple4.cpp src/session_table.cpp src/bfd.cpp) +add_library(common src/addr_tuple4.cpp src/session_table.cpp src/raw_packet.cpp src/bfd.cpp) target_include_directories(common PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include) diff --git a/common/include/addr_tuple4.h b/common/include/addr_tuple4.h index 2a7aae9..5efcce1 100644 --- a/common/include/addr_tuple4.h +++ b/common/include/addr_tuple4.h @@ -8,44 +8,42 @@ extern "C" #include -enum addr_tuple4_type -{ - ADDR_TUPLE4_TYPE_V4, - ADDR_TUPLE4_TYPE_V6, -}; - -struct addr_tuple4_v4 -{ - struct in_addr src_addr; /* network order */ - struct in_addr dst_addr; /* network order */ - in_port_t src_port; /* network order */ - in_port_t dst_port; /* network order */ -}; - -struct addr_tuple4_v6 -{ - struct in6_addr src_addr; /* network order */ - struct in6_addr dst_addr; /* network order */ - in_port_t src_port; /* network order */ - in_port_t dst_port; /* network order */ -}; - -struct addr_tuple4 -{ - enum addr_tuple4_type addr_type; - union + enum addr_tuple4_type { - struct addr_tuple4_v4 addr_v4; - struct addr_tuple4_v6 addr_v6; + ADDR_TUPLE4_TYPE_V4, + ADDR_TUPLE4_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 addr_tuple4 + { + enum addr_tuple4_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 addr_tuple4 name; \ memset(&name, 0, sizeof(name)); \ (name).addr_type = ADDR_TUPLE4_TYPE_V4; \ - (name).addr_v4.src_port = htons((src_port_num)); \ - (name).addr_v4.dst_port = htons((dst_port_num)); \ + (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); @@ -53,13 +51,13 @@ struct addr_tuple4 struct addr_tuple4 name; \ memset(&name, 0, sizeof(name)); \ (name).addr_type = ADDR_TUPLE4_TYPE_V6; \ - (name).addr_v6.src_port = htons((src_port_num)); \ - (name).addr_v6.dst_port = htons((dst_port_num)); \ + (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); -char *addr_tuple4_to_str(const struct addr_tuple4 *addr); -void addr_tuple4_reverse(const struct addr_tuple4 *orin, struct addr_tuple4 *out); + char *addr_tuple4_to_str(const struct addr_tuple4 *addr); + void addr_tuple4_reverse(const struct addr_tuple4 *orin, struct addr_tuple4 *out); #ifdef __cpluscplus } diff --git a/common/include/log.h b/common/include/log.h index 7553bd8..97d3a6e 100644 --- a/common/include/log.h +++ b/common/include/log.h @@ -10,13 +10,13 @@ extern "C" #define LOG_DEBUG(format, ...) \ { \ - fprintf(stdout, format "\n", ##__VA_ARGS__); \ + fprintf(stdout, "DEBUG " format "\n", ##__VA_ARGS__); \ fflush(stdout); \ } #define LOG_ERROR(format, ...) \ { \ - fprintf(stderr, format "\n", ##__VA_ARGS__); \ + fprintf(stderr, "ERROR " format "\n", ##__VA_ARGS__); \ fflush(stderr); \ } diff --git a/common/include/raw_packet.h b/common/include/raw_packet.h new file mode 100644 index 0000000..01bb4ba --- /dev/null +++ b/common/include/raw_packet.h @@ -0,0 +1,80 @@ +#ifndef _RAW_PACKET_H +#define _RAW_PACKET_H + +#ifdef __cpluscplus +extern "C" +{ +#endif + +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 parse_status +{ + PARSE_STATUS_CONTINUE, + PARSE_STATUS_STOP +}; + +struct raw_pkt_parser; + +struct raw_pkt_parser *raw_packet_parser_create(enum layer_type expect_type, uint16_t expect_results_num); +void raw_packet_parser_destory(struct raw_pkt_parser *handler); + +// return 0 : success +// return -ENOMEM : error +int raw_packet_parser_push(struct raw_pkt_parser *handler, enum layer_type type, uint16_t offset); +// return PARSE_STATUS_CONTINUE +// return PARSE_STATUS_STOP +enum parse_status raw_packet_parser_status(struct raw_pkt_parser *handler, const void *data, enum layer_type this_type); +// return most inner payload +const void *raw_packet_parser_parse(struct raw_pkt_parser *handler, const void *data, size_t length); + +// return 0 : success +// return -1 : error +int raw_packet_parser_get_most_inner_tuple4(struct raw_pkt_parser *handler, struct addr_tuple4 *addr); +int raw_packet_parser_get_most_outer_tuple4(struct raw_pkt_parser *handler, struct addr_tuple4 *addr); + +// return 0 : success +// return -1 : error +int raw_packet_parser_get_most_inner_address(struct raw_pkt_parser *handler, struct addr_tuple4 *addr); +int raw_packet_parser_get_most_outer_address(struct raw_pkt_parser *handler, struct addr_tuple4 *addr); + +#ifdef __cpluscplus +} +#endif + +#endif \ No newline at end of file diff --git a/common/src/addr_tuple4.cpp b/common/src/addr_tuple4.cpp index b9a67ad..fd60f0d 100644 --- a/common/src/addr_tuple4.cpp +++ b/common/src/addr_tuple4.cpp @@ -12,8 +12,8 @@ char *addr_tuple4_to_str(const struct addr_tuple4 *addr) { char src_addr[INET_ADDRSTRLEN] = {0}; char dst_addr[INET_ADDRSTRLEN] = {0}; - uint16_t src_port = ntohs((uint16_t)addr->addr_v4.src_port); - uint16_t dst_port = ntohs((uint16_t)addr->addr_v4.dst_port); + 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); @@ -23,8 +23,8 @@ char *addr_tuple4_to_str(const struct addr_tuple4 *addr) { char src_addr[INET6_ADDRSTRLEN] = {0}; char dst_addr[INET6_ADDRSTRLEN] = {0}; - uint16_t src_port = ntohs((uint16_t)addr->addr_v6.src_port); - uint16_t dst_port = ntohs((uint16_t)addr->addr_v6.dst_port); + 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); @@ -42,8 +42,8 @@ void addr_tuple4_reverse(const struct addr_tuple4 *orin, struct addr_tuple4 *out out->addr_type = ADDR_TUPLE4_TYPE_V4; out->addr_v4.src_addr = orin->addr_v4.dst_addr; out->addr_v4.dst_addr = orin->addr_v4.src_addr; - out->addr_v4.src_port = orin->addr_v4.dst_port; - out->addr_v4.dst_port = orin->addr_v4.src_port; + out->src_port = orin->dst_port; + out->dst_port = orin->src_port; } if (orin->addr_type == ADDR_TUPLE4_TYPE_V6) @@ -51,7 +51,7 @@ void addr_tuple4_reverse(const struct addr_tuple4 *orin, struct addr_tuple4 *out out->addr_type = ADDR_TUPLE4_TYPE_V6; out->addr_v6.src_addr = orin->addr_v6.dst_addr; out->addr_v6.dst_addr = orin->addr_v6.src_addr; - out->addr_v6.src_port = orin->addr_v6.dst_port; - out->addr_v6.dst_port = orin->addr_v6.src_port; + out->src_port = orin->dst_port; + out->dst_port = orin->src_port; } } \ No newline at end of file diff --git a/common/src/raw_packet.cpp b/common/src/raw_packet.cpp new file mode 100644 index 0000000..63c4c6b --- /dev/null +++ b/common/src/raw_packet.cpp @@ -0,0 +1,959 @@ +#include +#include +#include +#include + +#include +#include +#define __FAVOR_BSD 1 +#include +#include +#include +#include + +#include "log.h" +#include "addr_tuple4.h" +#include "raw_packet.h" + +#define LOG_TAG "RAW_PACKET_PARSER" + +/****************************************************************************** + * Protocol 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) + +/****************************************************************************** + * Parser Struct + ******************************************************************************/ + +static uint64_t packet_trace_id = 0; + +struct layer_result +{ + uint16_t offset; + enum layer_type type; +}; + +struct layer_result_array +{ + struct layer_result *layers; + uint16_t layers_used; + uint16_t layers_size; +}; + +struct raw_pkt_parser +{ + enum layer_type expect_type; + struct layer_result_array results; + + const void *ptr_pkt_start; + uint64_t pkt_trace_id; +}; + +/****************************************************************************** + * Static API + ******************************************************************************/ + +// parser utils +static void set_addr_tuple4(const void *data, enum layer_type layer_type, struct addr_tuple4 *addr); +static const char *layer_type2str(enum layer_type this_type); +static uint16_t parse_gtphdr_len(const struct gtp_hdr *gtph); + +// parser protocol +static const void *parse_ether(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_ipv4(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_ipv6(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_tcp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_udp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_ppp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_pppoe_ses(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +// static const void *parse_hdlc(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_vxlan(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_vlan8021q(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_gtpv1_u(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); +static const void *parse_mpls(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type); + +/****************************************************************************** + * Public API + ******************************************************************************/ + +struct raw_pkt_parser *raw_packet_parser_create(enum layer_type expect_type, uint16_t expect_results_num) +{ + struct raw_pkt_parser *handler = (struct raw_pkt_parser *)calloc(1, sizeof(struct raw_pkt_parser)); + assert(handler); + + handler->expect_type = expect_type; + handler->results.layers = (struct layer_result *)calloc(expect_results_num, sizeof(struct layer_result)); + assert(handler->results.layers); + handler->results.layers_used = 0; + handler->results.layers_size = expect_results_num; + + return handler; +} + +void raw_packet_parser_destory(struct raw_pkt_parser *handler) +{ + if (handler) + { + if (handler->results.layers) + { + free(handler->results.layers); + handler->results.layers = NULL; + } + + free(handler); + handler = NULL; + } +} + +// return 0 : success +// return -ENOMEM : error +int raw_packet_parser_push(struct raw_pkt_parser *handler, enum layer_type type, uint16_t offset) +{ + struct layer_result_array *result = &handler->results; + + if (result->layers_used >= result->layers_size) + { + return -ENOMEM; + } + + result->layers[result->layers_used].offset = offset; + result->layers[result->layers_used].type = type; + result->layers_used++; + + return 0; +} + +// return PARSE_STATUS_CONTINUE +// return PARSE_STATUS_STOP +enum parse_status raw_packet_parser_status(struct raw_pkt_parser *handler, const void *data, enum layer_type this_type) +{ + /* + * only when this_type & handler->expect_type is true, + * the information of the current layer will be recorded in results. + */ + if (!(this_type & handler->expect_type)) + { + return PARSE_STATUS_CONTINUE; + } + + uint16_t offset = (uintptr_t)data - (uintptr_t)(handler->ptr_pkt_start); + if (raw_packet_parser_push(handler, this_type, offset) < 0) + { + return PARSE_STATUS_STOP; + } + else + { + return PARSE_STATUS_CONTINUE; + } +} + +// return most inner payload +const void *raw_packet_parser_parse(struct raw_pkt_parser *handler, const void *data, size_t length) +{ + handler->ptr_pkt_start = data; + handler->pkt_trace_id = __atomic_fetch_add(&packet_trace_id, 1, __ATOMIC_RELAXED); + + // TESTED + return parse_ether(handler, data, length, LAYER_TYPE_ETHER); +} + +// return 0 : success +// return -1 : error +int raw_packet_parser_get_most_inner_tuple4(struct raw_pkt_parser *handler, struct addr_tuple4 *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; + struct layer_result_array *results = &handler->results; + + // search L4 layer and L3 layer in reverse order + for (int8_t i = results->layers_used - 1; i >= 0; i--) + { + const struct layer_result *layer = &results->layers[i]; + enum layer_type type = layer->type; + + LOG_DEBUG("%s: find most inner tuple4, pkt_trace_id: %lu, layer[%d/%d]: %s", LOG_TAG, handler->pkt_trace_id, i, results->layers_size, layer_type2str(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->ptr_pkt_start + l3_layer_result->offset; + set_addr_tuple4(l3_layer_data, l3_layer_result->type, addr); + } + + if (l4_layer_result) + { + l4_layer_data = (const char *)handler->ptr_pkt_start + l4_layer_result->offset; + set_addr_tuple4(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 raw_packet_parser_get_most_outer_tuple4(struct raw_pkt_parser *handler, struct addr_tuple4 *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; + struct layer_result_array *results = &handler->results; + + // search L3 layer and L4 layer in order + for (int8_t i = 0; i <= results->layers_used - 1; i++) + { + const struct layer_result *layer = &results->layers[i]; + enum layer_type type = layer->type; + + LOG_DEBUG("%s: find most outer tuple4, pkt_trace_id: %lu, layer[%d/%d]: %s", LOG_TAG, handler->pkt_trace_id, i, results->layers_size, layer_type2str(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->ptr_pkt_start + l3_layer_result->offset; + set_addr_tuple4(l3_layer_data, l3_layer_result->type, addr); + } + + if (l4_layer_result) + { + l4_layer_data = (const char *)handler->ptr_pkt_start + l4_layer_result->offset; + set_addr_tuple4(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 raw_packet_parser_get_most_inner_address(struct raw_pkt_parser *handler, struct addr_tuple4 *addr) +{ + const char *l3_layer_data = NULL; + struct layer_result_array *results = &handler->results; + + // search L3 layer in reverse order + for (int8_t i = results->layers_used - 1; i >= 0; i--) + { + const struct layer_result *layer = &results->layers[i]; + enum layer_type type = layer->type; + + LOG_DEBUG("%s: find most inner address, pkt_trace_id: %lu, layer[%d/%d]: %s", LOG_TAG, handler->pkt_trace_id, i, results->layers_size, layer_type2str(type)); + if (type & LAYER_TYPE_L3) + { + l3_layer_data = (const char *)handler->ptr_pkt_start + layer->offset; + set_addr_tuple4(l3_layer_data, type, addr); + return 0; + } + } + + return -1; +} + +// return 0 : success +// return -1 : error +int raw_packet_parser_get_most_outer_address(struct raw_pkt_parser *handler, struct addr_tuple4 *addr) +{ + const char *l3_layer_data = NULL; + struct layer_result_array *results = &handler->results; + + // search L3 layer in order + for (int8_t i = 0; i <= results->layers_used - 1; i++) + { + const struct layer_result *layer = &results->layers[i]; + enum layer_type type = layer->type; + + LOG_DEBUG("%s: find most outer address, pkt_trace_id: %lu, layer[%d/%d]: %s", LOG_TAG, handler->pkt_trace_id, i, results->layers_size, layer_type2str(type)); + if (type & LAYER_TYPE_L3) + { + l3_layer_data = (const char *)handler->ptr_pkt_start + layer->offset; + set_addr_tuple4(l3_layer_data, type, addr); + return 0; + } + } + + return -1; +} + +/****************************************************************************** + * Private API + ******************************************************************************/ + +static void set_addr_tuple4(const void *data, enum layer_type layer_type, struct addr_tuple4 *addr) +{ + const struct tcphdr *tcp_hdr = NULL; + const struct udphdr *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 udphdr *)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_TUPLE4_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_TUPLE4_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; + } +} + +static const char *layer_type2str(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"; + } +} + +// 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 raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct ethhdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case ETH_P_8021Q: + // TESTED + return parse_vlan8021q(handler, data_next_layer, data_next_length, LAYER_TYPE_VLAN); + case ETH_P_8021AD: + // TODO + return parse_ether(handler, data_next_layer, data_next_length, LAYER_TYPE_ETHER); + case ETH_P_IP: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case ETH_P_IPV6: + // TESTED + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + case ETH_P_PPP_SES: + // TODO + return parse_pppoe_ses(handler, data_next_layer, data_next_length, LAYER_TYPE_PPPOE); + case ETH_P_MPLS_UC: + // TESTED + return parse_mpls(handler, data_next_layer, data_next_length, LAYER_TYPE_MPLS); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_ipv4(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct ip)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case IPPROTO_TCP: + // TESTED + return parse_tcp(handler, data_next_layer, data_next_length, LAYER_TYPE_TCP); + case IPPROTO_UDP: + // TESTED + return parse_udp(handler, data_next_layer, data_next_length, LAYER_TYPE_UDP); + case IPPROTO_IPIP: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case IPPROTO_IPV6: + // TESTED + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_ipv6(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct ip6_hdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case IPPROTO_TCP: + // TESTED + return parse_tcp(handler, data_next_layer, data_next_length, LAYER_TYPE_TCP); + case IPPROTO_UDP: + // TESTED + return parse_udp(handler, data_next_layer, data_next_length, LAYER_TYPE_UDP); + case IPPROTO_IPIP: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case IPPROTO_IPV6: + // TESTED + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_tcp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct tcphdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + + return data_next_layer; +} + +static const void *parse_udp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct udphdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + return data; + } + + struct udphdr *hdr = (struct udphdr *)data; + uint16_t hdr_len = sizeof(struct udphdr); + const void *data_next_layer = (const char *)data + hdr_len; + size_t data_next_length = length - hdr_len; + + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (ntohs(hdr->uh_dport)) + { + // VXLAN_DPORT + case 4789: + // TESTED + return parse_vxlan(handler, data_next_layer, data_next_length, LAYER_TYPE_G_VXLAN); + // GTP1U_PORT + case 2152: + // TESTED + return parse_gtpv1_u(handler, data_next_layer, data_next_length, LAYER_TYPE_GTPV1_U); + default: + return data_next_layer; + } +} + +static const void *parse_ppp(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < PPP_HDRLEN) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + return data; + } + + uint16_t next_proto = PPP_PROTOCOL(data); + uint16_t hdr_len = PPP_HDRLEN; + const void *data_next_layer = (const char *)data + hdr_len; + size_t data_next_length = length - hdr_len; + + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case PPP_IP: + // TODO + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case PPP_IPV6: + // TODO + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_pppoe_ses(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < 8) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + // PPPOE_TYPE_IPV4 + case 0x2100: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + // PPPOE_TYPE_IPV6 + case 0x5700: + // TODO + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_hdlc(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < 4) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + return data; + } + + uint16_t next_proto = ntohs(*(const uint16_t *)((const char *)data + 2)); + uint16_t hdr_len = 4; + const void *data_next_layer = (const char *)data + hdr_len; + size_t data_next_length = length - hdr_len; + + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // HDLC的协议字段与以太网的类似，对于IPv4，为0x0800 + switch (next_proto) + { + // ETHER_TYPE_IPV4 0x0800 + case 0x0800: + // TODO + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + // ETHER_TYPE_IPV6 0x86DD + case 0x86DD: + // TODO + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_vxlan(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct vxlan_hdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return NULL; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TESTED + return parse_ether(handler, data_next_layer, data_next_length, LAYER_TYPE_ETHER); + + // TODO HDLC + // TODO PPP +} + +static const void *parse_vlan8021q(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct vlan_hdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return NULL; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case ETH_P_8021Q: + // TESTED + return parse_vlan8021q(handler, data_next_layer, data_next_length, LAYER_TYPE_VLAN); + case ETH_P_IP: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case ETH_P_IPV6: + // TODO + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + case ETH_P_PPP_SES: + // TESTED + return parse_pppoe_ses(handler, data_next_layer, data_next_length, LAYER_TYPE_PPPOE); + case ETH_P_MPLS_UC: + // TODO + return parse_mpls(handler, data_next_layer, data_next_length, LAYER_TYPE_MPLS); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_gtpv1_u(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < sizeof(struct gtp_hdr)) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return NULL; + } + + uint16_t hdr_len = parse_gtphdr_len((const struct gtp_hdr *)data); + if (hdr_len < 0) + { + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + switch (next_proto) + { + case 4: + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + case 6: + // TESTED + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + default: + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, stop parse next protocol %d", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), next_proto); + return data_next_layer; + } +} + +static const void *parse_mpls(struct raw_pkt_parser *handler, const void *data, size_t length, enum layer_type this_type) +{ + if (length < 4) + { + LOG_ERROR("%s: pkt_trace_id: %lu, this_layer: %s, err: data not enough", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type)); + return data; + } + + if (raw_packet_parser_status(handler, data, this_type) == PARSE_STATUS_STOP) + { + 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: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TESTED + return parse_ether(handler, data_next_layer, data_next_length, LAYER_TYPE_ETHER); + } + else if (ip_version == 4) + { + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TESTED + return parse_ipv4(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV4); + } + else if (ip_version == 6) + { + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TODO + return parse_ipv6(handler, data_next_layer, data_next_length, LAYER_TYPE_IPV6); + } + else + { + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TODO + return parse_ether(handler, data_next_layer, data_next_length, LAYER_TYPE_ETHER); + } + } + else + { + LOG_DEBUG("%s: pkt_trace_id: %lu, this_layer: %s, payload_len: [%lu/%lu]", LOG_TAG, handler->pkt_trace_id, layer_type2str(this_type), data_next_length, length); + // TESTED + return parse_mpls(handler, data_next_layer, data_next_length, LAYER_TYPE_MPLS); + } +} \ No newline at end of file diff --git a/common/test/CMakeLists.txt b/common/test/CMakeLists.txt index bbbefd9..b76ed3e 100644 --- a/common/test/CMakeLists.txt +++ b/common/test/CMakeLists.txt @@ -14,10 +14,19 @@ 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_raw_packet +############################################################################### + +add_executable(gtest_raw_packet gtest_raw_packet.cpp) +target_include_directories(gtest_raw_packet PUBLIC ${CMAKE_SOURCE_DIR}/common/include) +target_link_libraries(gtest_raw_packet common gtest) + ############################################################################### # gtest_discover_tests ############################################################################### include(GoogleTest) gtest_discover_tests(gtest_addr_tuple4) -gtest_discover_tests(gtest_session_table) \ No newline at end of file +gtest_discover_tests(gtest_session_table) +gtest_discover_tests(gtest_raw_packet) \ No newline at end of file diff --git a/common/test/gtest_raw_packet.cpp b/common/test/gtest_raw_packet.cpp new file mode 100644 index 0000000..17ec4a4 --- /dev/null +++ b/common/test/gtest_raw_packet.cpp @@ -0,0 +1,1378 @@ +#include +#include + +#include "raw_packet.h" +#include "addr_tuple4.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(RAW_PACKET, ETH_VLAN_VLAN_IP4_IP4_UDP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data1, sizeof(data1)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data1 == 70); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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, + 0x59, 0xeb, 0xba, 0xe0, 0xa8, 0x9e, 0x75, 0x5b, 0x50, 0x18, 0x6f, 0xa8, 0xc5, 0x1f, 0x00, 0x00, 0x4f, 0xe3, 0xa9, 0x48, 0x9b, 0xbe, 0xa8, 0x07, 0x0e, 0xbb, + 0x5b, 0xf1, 0x15, 0x1d, 0xc9, 0xbe, 0xdf, 0x78, 0x89, 0xa2, 0x8f, 0x12, 0x5f, 0xad, 0x51, 0xd5, 0xfa, 0xa7, 0x0b, 0xf2, 0x34, 0x00, 0x5b, 0x77, 0xae, 0xab, + 0xe4, 0x49, 0xa7, 0xa5, 0xa7, 0x1f, 0xda, 0x90, 0xcc, 0xe1, 0x8e, 0x9f, 0xe9, 0xee, 0x53, 0x59, 0xa4, 0x17, 0xf8, 0x0d, 0x40, 0xe5, 0x75, 0x97, 0xf0, 0x29, + 0xfa, 0x7c, 0xb8, 0x12, 0x7e, 0x93, 0xbc, 0x7e, 0x0a, 0x69, 0x8f, 0x1d, 0x7b, 0x1a, 0x2e, 0xf6, 0xa6, 0x78, 0x67, 0x26, 0xfe, 0x8f, 0xcf, 0x5a, 0x02, 0x7d, + 0xbb, 0x1b, 0xdb, 0xc7, 0x71, 0xee, 0xe9, 0xd9, 0xc1, 0x48, 0xbf, 0xc7, 0xcc, 0x00, 0x82, 0x7f, 0x69, 0x52, 0xa7, 0xe1, 0x12, 0xec, 0xf1, 0x93, 0xa8, 0x55, + 0x5b, 0x33, 0xd3, 0x35, 0x11, 0x5d, 0xf8, 0x3d, 0x5b, 0x94, 0xc9, 0x67, 0xae, 0xba, 0xc0, 0x4a, 0x8b, 0x25, 0x8d, 0xbf, 0xd4, 0xcc, 0x24, 0xb7, 0x3d, 0x0f, + 0x1a, 0x57, 0x20, 0x5c, 0x64, 0x62, 0xf7, 0x3c, 0xff, 0xaf, 0x6b, 0xf2, 0xf3, 0xca, 0xd1, 0xcb, 0x7b, 0x9f, 0xc1, 0x31, 0x25, 0x01, 0xd1, 0x18, 0x78, 0x81, + 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(RAW_PACKET, ETH_IP6_IP4_TCP_SSH) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data2, sizeof(data2)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data2 == 94); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data3, sizeof(data3)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data3 == 126); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} +#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(RAW_PACKET, ETH_IP4_IP6_TCP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data4, sizeof(data4)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data4 == 106); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_IP6_IP6_UDP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data5, sizeof(data5)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data5 == 102); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_MPLS_IP4_TCP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data6, sizeof(data6)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data6 == 70); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_MPLS_MPLS_IP4_TCP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data7, sizeof(data7)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data7 == 66); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_VLAN_PPPOE_IP4_TCP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data8, sizeof(data8)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data8 == 78); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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, + 0x40, 0x40, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x05, 0x24, 0x09, 0x80, 0x34, 0x40, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, + 0x00, 0x61, 0x08, 0x68, 0x08, 0x68, 0x05, 0x6c, 0xeb, 0x00, 0x30, 0xff, 0x05, 0x5c, 0x02, 0x4c, 0x3c, 0xbd, 0x60, 0x00, 0x00, 0x00, 0x05, 0x34, 0x06, 0x38, + 0x24, 0x09, 0x8c, 0x34, 0x44, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x03, 0x24, 0x09, 0x89, 0x34, 0x50, 0x82, 0x21, 0x00, 0xec, 0xad, + 0xe0, 0xe4, 0x53, 0x0a, 0xc2, 0x69, 0x01, 0xbb, 0xb5, 0xf6, 0x83, 0x04, 0x4f, 0xa7, 0x86, 0xf9, 0x82, 0xb8, 0x50, 0x10, 0x02, 0x11, 0x2c, 0x4b, 0x00, 0x00, + 0x17, 0x03, 0x03, 0x3c, 0x8c, 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0x48, 0x9c, 0x03, 0x33, 0xd2, 0x92, 0x22, 0xdb, 0x3a, 0xa0, 0x8c, 0xe2, 0x30, 0x6f, 0x39, 0xe4, 0xa9, + 0x24, 0x04, 0xbb, 0x85, 0x7d, 0x62, 0xc5, 0xa9, 0x98, 0x92, 0xef, 0xc6, 0xc8, 0xd1, 0x81, 0xad, 0x95, 0x40, 0x27, 0x09, 0xc7, 0x43, 0xcd, 0xb6, 0x94, 0xfc, + 0x1c, 0x7d, 0x1c, 0xd3, 0x47, 0xfe, 0x62, 0x9c, 0xfa, 0xeb, 0xfc, 0x02, 0x2e, 0x48, 0x62, 0xcf, 0x63, 0xdb, 0x63, 0xd9, 0x21, 0x86, 0xe8, 0x96, 0x54, 0xeb, + 0x6a, 0xa8, 0x78, 0x3c, 0x5b, 0xb6, 0xde, 0xa9, 0x04, 0x48, 0x63, 0xb2, 0x10, 0x02, 0x6a, 0x7f, 0x6d, 0xc8, 0x04, 0xdd, 0x99, 0x25, 0x08, 0xff, 0x80, 0x11, + 0x53, 0xfb, 0x7a, 0x07, 0x39, 0xd9, 0x97, 0xca, 0xf0, 0xa7, 0x46, 0x9c, 0xc2, 0xae, 0x2e, 0x05, 0x62, 0xa0, 0xd5, 0x5d, 0x17, 0x0e, 0x5c, 0x7e, 0x9a, 0xb2, + 0xb7, 0x9d, 0xd4, 0x4f, 0xe3, 0xac, 0x64, 0xdb, 0x6f, 0x1d, 0xdf, 0xd8, 0x41, 0xd7, 0xd9, 0x50, 0x55, 0x30, 0xeb, 0x4b, 0x19, 0xce, 0x78, 0x1f, 0xa8, 0x1e, + 0x87, 0x9c, 0x8f, 0x93, 0x97, 0xd4, 0xa2, 0x28, 0x2c, 0x79, 0x22, 0xc8}; + +TEST(RAW_PACKET, ETH_IP6_UDP_GTP_IP6_TCP_TLS) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data9, sizeof(data9)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data9 == 130); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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, 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*)payload - (char *)&data10 == 122); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data11, sizeof(data11)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data11 == 92); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 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(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == 0); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == 0); + inner_addr_str = addr_tuple4_to_str(&inner_addr); + outer_addr_str = addr_tuple4_to_str(&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); + + raw_packet_parser_destory(handler); +} + +/****************************************************************************** + * 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(RAW_PACKET, ETH_MPLS_MPLS_PWETHCW_ETH_ARP) +{ + struct raw_pkt_parser *handler = raw_packet_parser_create(LAYER_TYPE_ALL, 8); + EXPECT_TRUE(handler != nullptr); + + const void *payload = raw_packet_parser_parse(handler, (const void *)data12, sizeof(data12)); + EXPECT_TRUE(payload != nullptr); + EXPECT_TRUE((char *)payload - (char *)&data12 == 40); + + struct addr_tuple4 inner_addr; + struct addr_tuple4 outer_addr; + + EXPECT_TRUE(raw_packet_parser_get_most_inner_tuple4(handler, &inner_addr) == -1); + EXPECT_TRUE(raw_packet_parser_get_most_outer_tuple4(handler, &outer_addr) == -1); + + EXPECT_TRUE(raw_packet_parser_get_most_inner_address(handler, &inner_addr) == -1); + EXPECT_TRUE(raw_packet_parser_get_most_outer_address(handler, &outer_addr) == -1); + + raw_packet_parser_destory(handler); +} + +int main(int argc, char **argv) +{ + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} diff --git a/common/test/pcap/1-ETH_VLAN_VLAN_IP4_IP4_UDP.pcap b/common/test/pcap/1-ETH_VLAN_VLAN_IP4_IP4_UDP.pcap new file mode 100644 index 0000000..769ab66 Binary files /dev/null and b/common/test/pcap/1-ETH_VLAN_VLAN_IP4_IP4_UDP.pcap differ diff --git a/common/test/pcap/10-ETH_IP6_UDP_GTP_IP4_TCP_TLS.pcap b/common/test/pcap/10-ETH_IP6_UDP_GTP_IP4_TCP_TLS.pcap new file mode 100644 index 0000000..af72b4d Binary files /dev/null and b/common/test/pcap/10-ETH_IP6_UDP_GTP_IP4_TCP_TLS.pcap differ diff --git a/common/test/pcap/11-ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS.pcap b/common/test/pcap/11-ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS.pcap new file mode 100644 index 0000000..29b8962 Binary files /dev/null and b/common/test/pcap/11-ETH_IP4_UDP_VXLAN_ETH_IP4_UDP_DNS.pcap differ diff --git a/common/test/pcap/12-ETH_MPLS_MPLS_PWETHCW_ETH_ARP.pcap b/common/test/pcap/12-ETH_MPLS_MPLS_PWETHCW_ETH_ARP.pcap new file mode 100644 index 0000000..50c6085 Binary files /dev/null and b/common/test/pcap/12-ETH_MPLS_MPLS_PWETHCW_ETH_ARP.pcap differ diff --git a/common/test/pcap/2-ETH_IP6_IP4_TCP_SSH.pcap b/common/test/pcap/2-ETH_IP6_IP4_TCP_SSH.pcap new file mode 100644 index 0000000..ef8d64a Binary files /dev/null and b/common/test/pcap/2-ETH_IP6_IP4_TCP_SSH.pcap differ diff --git a/common/test/pcap/3-ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS.pcap b/common/test/pcap/3-ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS.pcap new file mode 100644 index 0000000..fb3908e Binary files /dev/null and b/common/test/pcap/3-ETH_VLAN_IP6_IP4_GRE_PPP_IP4_UDP_DNS.pcap differ diff --git a/common/test/pcap/4-ETH_IP4_IP6_TCP.pcap.pcap b/common/test/pcap/4-ETH_IP4_IP6_TCP.pcap.pcap new file mode 100644 index 0000000..6b074e5 Binary files /dev/null and b/common/test/pcap/4-ETH_IP4_IP6_TCP.pcap.pcap differ diff --git a/common/test/pcap/5-ETH_IP6_IP6_UDP.pcap b/common/test/pcap/5-ETH_IP6_IP6_UDP.pcap new file mode 100644 index 0000000..c5838fd Binary files /dev/null and b/common/test/pcap/5-ETH_IP6_IP6_UDP.pcap differ diff --git a/common/test/pcap/6-ETH_MPLS_IP4_TCP.pcap b/common/test/pcap/6-ETH_MPLS_IP4_TCP.pcap new file mode 100644 index 0000000..fa52ac9 Binary files /dev/null and b/common/test/pcap/6-ETH_MPLS_IP4_TCP.pcap differ diff --git a/common/test/pcap/7-ETH_MPLS_MPLS_IP4_TCP.pcap b/common/test/pcap/7-ETH_MPLS_MPLS_IP4_TCP.pcap new file mode 100644 index 0000000..7578a20 Binary files /dev/null and b/common/test/pcap/7-ETH_MPLS_MPLS_IP4_TCP.pcap differ diff --git a/common/test/pcap/8-ETH_VLAN_PPPOE_IP4_TCP.pcap b/common/test/pcap/8-ETH_VLAN_PPPOE_IP4_TCP.pcap new file mode 100644 index 0000000..141b625 Binary files /dev/null and b/common/test/pcap/8-ETH_VLAN_PPPOE_IP4_TCP.pcap differ diff --git a/common/test/pcap/9-ETH_IP6_UDP_GTP_IP6_TCP_TLS.pcap b/common/test/pcap/9-ETH_IP6_UDP_GTP_IP6_TCP_TLS.pcap new file mode 100644 index 0000000..1517357 Binary files /dev/null and b/common/test/pcap/9-ETH_IP6_UDP_GTP_IP6_TCP_TLS.pcap differ