514 lines
19 KiB
C
514 lines
19 KiB
C
/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/queue.h>
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#include "lsquic.h"
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#include "lsquic_mm.h"
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#include "lsquic_types.h"
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#include "lsquic_int_types.h"
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#include "lsquic_packet_common.h"
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#include "lsquic_parse.h"
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#include "lsquic_parse_common.h"
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#include "lsquic_packet_in.h"
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#include "lsquic_engine_public.h"
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#include "lsquic_version.h"
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struct parse_packet_in_test
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{
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int ppit_lineno;
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/* Input */
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unsigned char ppit_buf[0x100];
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unsigned ppit_bufsz;
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int ppit_is_server;
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enum lsquic_version ppit_version;
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/* Output */
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int ppit_retval;
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int ppit_pi_flags;
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uint64_t ppit_conn_id;
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lsquic_packno_t ppit_packno;
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unsigned short ppit_header_sz;
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unsigned short ppit_data_sz;
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unsigned char ppit_quic_ver;
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unsigned char ppit_nonce;
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};
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static const struct parse_packet_in_test tests[] = {
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/*
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* BIG-ENDIAN TESTS:
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*/
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 1 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x73,
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.ppit_header_sz = 1 + 8 + 4 + 1,
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.ppit_data_sz = 1 + 8 + 4 + 1 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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0x10 /* 2-byte packet number */|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73, 0x64,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 2 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x7364,
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.ppit_header_sz = 1 + 8 + 4 + 2,
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.ppit_data_sz = 1 + 8 + 4 + 2 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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0x20 /* 4-byte packet number */|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73, 0x64, 0x55, 0x46,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 4 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x73645546,
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.ppit_header_sz = 1 + 8 + 4 + 4,
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.ppit_data_sz = 1 + 8 + 4 + 4 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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0x30 /* 6-byte packet number */|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73, 0x64, 0x55, 0x46, 0x37, 0x28,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 6 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x736455463728,
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.ppit_header_sz = 1 + 8 + 4 + 6,
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.ppit_data_sz = 1 + 8 + 4 + 6 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__, /* Same as above minus connection ID */
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 0 + 4 + 1 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = 0,
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.ppit_conn_id = 0,
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.ppit_packno = 0x73,
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.ppit_header_sz = 1 + 0 + 4 + 1,
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.ppit_data_sz = 1 + 0 + 4 + 1 + 7,
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.ppit_quic_ver = 1 + 0,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__, /* Same as above minus version */
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.ppit_buf = {
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/* Flags: */ 0,
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 0 + 0 + 1 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = 0,
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.ppit_conn_id = 0,
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.ppit_packno = 0x73,
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.ppit_header_sz = 1 + 0 + 0 + 1,
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.ppit_data_sz = 1 + 0 + 0 + 1 + 7,
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.ppit_quic_ver = 0,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = -1,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_NONCE|
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0x10 /* 2-byte packet number */|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Nonce: */ 000, 001, 002, 003, 004, 005, 006, 007,
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010, 011, 012, 013, 014, 015, 016, 017,
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020, 021, 022, 023, 024, 025, 026, 027,
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030, 031, 032, 033, 034, 035, 036, 037,
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/* Packet #: */ 0x73, 0x64,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 32+ 2 + 7,
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.ppit_is_server = 0,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x7364,
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.ppit_header_sz = 1 + 8 + 32+ 2,
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.ppit_data_sz = 1 + 8 + 32+ 2 + 7,
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.ppit_quic_ver = 0,
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.ppit_nonce = 1 + 8,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_NONCE|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Nonce: */ 000, 001, 002, 003, 004, 005, 006, 007,
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010, 011, 012, 013, 014, 015, 016, 017,
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020, 021, 022, 023, 024, 025, 026, 027,
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030, 031, 032, 033, 034, 035, 036, 037,
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 32+ 1 + 7,
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.ppit_is_server = 0,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x73,
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.ppit_header_sz = 1 + 8 + 32+ 1,
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.ppit_data_sz = 1 + 8 + 32+ 1 + 7,
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.ppit_quic_ver = 0,
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.ppit_nonce = 1 + 8,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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0x20 /* 4-byte packet number */|
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PACKET_PUBLIC_FLAGS_NONCE| /* Nonce flag is ignored by server */
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73, 0x64, 0x55, 0x46,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 4 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x73645546,
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.ppit_header_sz = 1 + 8 + 4 + 4,
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.ppit_data_sz = 1 + 8 + 4 + 4 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_NONCE| /* Nonce flag is ignored by server */
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 1 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x73,
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.ppit_header_sz = 1 + 8 + 4 + 1,
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.ppit_data_sz = 1 + 8 + 4 + 1 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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0x30 /* 6-byte packet number */|
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PACKET_PUBLIC_FLAGS_NONCE| /* Nonce flag is ignored by server */
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Version: */ 'Q', '0', '4', '3',
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/* Packet #: */ 0x73, 0x64, 0x55, 0x46, 0x37, 0x28,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 4 + 6 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0x736455463728,
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.ppit_header_sz = 1 + 8 + 4 + 6,
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.ppit_data_sz = 1 + 8 + 4 + 6 + 7,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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/* CID: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
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/* Versions: */ 'Q', '0', '4', '0',
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'Q', '0', '4', '3',
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},
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.ppit_bufsz = 1 + 8 + 8,
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.ppit_is_server = 0,
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.ppit_version = LSQVER_043,
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.ppit_retval = 0,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x5500000000000000,
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.ppit_packno = 0,
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.ppit_header_sz = 1 + 8 + 8,
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.ppit_data_sz = 1 + 8 + 8,
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.ppit_quic_ver = 1 + 8,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ 0x40,
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/* CID: */ 0x01, 0x02, 0x03, 0x04, 0x50, 0x60, 0x70, 0x80,
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/* Packet number: */0x9B,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_version = LSQVER_046,
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.ppit_retval = 0,
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.ppit_is_server = 1,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x8070605004030201,
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.ppit_packno = 0x9B,
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.ppit_header_sz = 1 + 8 + 1,
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.ppit_data_sz = 1 + 8 + 1 + 7,
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.ppit_bufsz = 1 + 8 + 1 + 7,
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.ppit_quic_ver = 0,
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.ppit_nonce = 0,
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},
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ 0x43,
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/* CID: */ 0x01, 0x02, 0x03, 0x04, 0x50, 0x60, 0x70, 0x80,
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/* Packet number: */0x9B, 0x03, 0x02, 0x01,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_version = LSQVER_046,
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.ppit_retval = 0,
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.ppit_packno = 0x9B030201,
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.ppit_is_server = 1,
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.ppit_header_sz = 1 + 8 + 4,
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.ppit_bufsz = 1 + 8 + 4 + 7,
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.ppit_data_sz = 1 + 8 + 4 + 7,
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.ppit_pi_flags = PI_CONN_ID,
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.ppit_conn_id = 0x8070605004030201,
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.ppit_quic_ver = 0,
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.ppit_nonce = 0,
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},
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/* TODO: check invalid type in finish() -- convert the latter to return
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* status instead of being void function.
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*/
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#if 0
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Flags: */ 0x30
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| 0x3 /* <--- Invalid type */,
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/* CID: */ 0x01, 0x02, 0x03, 0x04, 0x50, 0x60, 0x70, 0x80,
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/* Packet number: */0x9B,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 8 + 1 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_044,
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.ppit_retval = -1,
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},
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#endif
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{ .ppit_lineno = __LINE__,
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.ppit_buf = {
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/* Type: */ 0x83 /* Initial */,
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/* Version: */ 'Q', '0', '4', '6',
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/* DCIL/SCIL: */ 0x5 /* DCIL */ << 4 | 0x0 /* SCIL */,
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/* CID: */ 0x01, 0x02, 0x03, 0x04, 0x50, 0x60, 0x70, 0x80,
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/* Packet number: */0x21, 0x22, 0x23, 0x34,
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/* Payload: */ 'P', 'A', 'Y', 'L', 'O', 'A', 'D',
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},
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.ppit_bufsz = 1 + 4 + 1 + 8 + 4 + 7,
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.ppit_is_server = 1,
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.ppit_version = LSQVER_046,
|
|
.ppit_retval = 0,
|
|
.ppit_pi_flags = PI_CONN_ID,
|
|
.ppit_conn_id = 0x8070605004030201,
|
|
.ppit_packno = 0x21222334,
|
|
.ppit_header_sz = 1 + 4 + 1 + 8 + 4,
|
|
.ppit_data_sz = 1 + 4 + 1 + 8 + 4 + 7,
|
|
.ppit_quic_ver = 1,
|
|
.ppit_nonce = 0,
|
|
},
|
|
|
|
};
|
|
|
|
|
|
static void
|
|
run_ppi_test (struct lsquic_mm *mm, const struct parse_packet_in_test *ppit)
|
|
{
|
|
int s;
|
|
lsquic_packet_in_t *packet_in;
|
|
struct packin_parse_state ppstate;
|
|
|
|
packet_in = lsquic_mm_get_packet_in(mm);
|
|
packet_in->pi_data = lsquic_mm_get_packet_in_buf(mm, 1370);
|
|
packet_in->pi_flags |= PI_OWN_DATA;
|
|
memcpy(packet_in->pi_data, ppit->ppit_buf, ppit->ppit_bufsz);
|
|
|
|
/* Server should be able to differentiate different header formats
|
|
* because it expect the connection ID to be there, while the client
|
|
* needs help.
|
|
*/
|
|
if (ppit->ppit_is_server &&
|
|
/* In addition, some tests verify parsing of GQUIC packets in
|
|
* server mode where there is no connection ID. This is for
|
|
* completeness and does not represent a real-life scenario,
|
|
* as the server will always require the client to send the
|
|
* connection ID.
|
|
*/
|
|
!(!(ppit->ppit_pi_flags & PI_CONN_ID)
|
|
&& ppit->ppit_version < LSQVER_046))
|
|
s = lsquic_parse_packet_in_server_begin(packet_in, ppit->ppit_bufsz,
|
|
ppit->ppit_is_server, 8, &ppstate);
|
|
else
|
|
if (ppit->ppit_version < LSQVER_046)
|
|
s = lsquic_gquic_parse_packet_in_begin(packet_in, ppit->ppit_bufsz,
|
|
ppit->ppit_is_server, -1 /* GQUIC does not use it */, &ppstate);
|
|
else if (ppit->ppit_version == LSQVER_046)
|
|
s = lsquic_Q046_parse_packet_in_begin(packet_in, ppit->ppit_bufsz,
|
|
ppit->ppit_is_server, 8, &ppstate);
|
|
else
|
|
s = lsquic_ietf_v1_parse_packet_in_begin(packet_in, ppit->ppit_bufsz,
|
|
ppit->ppit_is_server, 8, &ppstate);
|
|
|
|
assert(s == ppit->ppit_retval);
|
|
if (0 == s)
|
|
{
|
|
const struct parse_funcs *pf;
|
|
if (ppit->ppit_quic_ver && ppit->ppit_is_server /* Server packets
|
|
with version are version negotiation packets. */)
|
|
{
|
|
uint32_t tag;
|
|
enum lsquic_version ver;
|
|
assert(packet_in->pi_quic_ver);
|
|
memcpy(&tag, packet_in->pi_data + packet_in->pi_quic_ver, 4);
|
|
ver = lsquic_tag2ver(tag);
|
|
assert((enum lsquic_version) -1 != ver);
|
|
assert(ver == ppit->ppit_version);
|
|
}
|
|
pf = select_pf_by_ver(ppit->ppit_version);
|
|
pf->pf_parse_packet_in_finish(packet_in, &ppstate);
|
|
}
|
|
|
|
if (0 == s)
|
|
{
|
|
if (ppit->ppit_conn_id)
|
|
{
|
|
lsquic_cid_t cid;
|
|
memset(&cid, 0, sizeof(cid));
|
|
cid.len = sizeof(ppit->ppit_conn_id);;
|
|
memcpy(cid.idbuf, &ppit->ppit_conn_id, sizeof(ppit->ppit_conn_id));
|
|
assert(LSQUIC_CIDS_EQ(&packet_in->pi_conn_id, &cid));
|
|
}
|
|
|
|
assert((packet_in->pi_flags & PI_CONN_ID) == (ppit->ppit_pi_flags & PI_CONN_ID));
|
|
assert(packet_in->pi_packno == ppit->ppit_packno);
|
|
assert(packet_in->pi_header_sz == ppit->ppit_header_sz);
|
|
assert(packet_in->pi_data_sz == ppit->ppit_data_sz);
|
|
assert(packet_in->pi_quic_ver == ppit->ppit_quic_ver);
|
|
assert(packet_in->pi_nonce == ppit->ppit_nonce);
|
|
if (ppit->ppit_nonce)
|
|
assert(lsquic_packet_in_nonce(packet_in));
|
|
else
|
|
assert(!lsquic_packet_in_nonce(packet_in));
|
|
}
|
|
|
|
lsquic_mm_put_packet_in(mm, packet_in);
|
|
}
|
|
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
struct lsquic_mm mm;
|
|
unsigned i;
|
|
|
|
lsquic_mm_init(&mm);
|
|
|
|
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
|
|
run_ppi_test(&mm, &tests[i]);
|
|
|
|
lsquic_mm_cleanup(&mm);
|
|
return 0;
|
|
}
|