239 lines
9.2 KiB
C
239 lines
9.2 KiB
C
/* Copyright (c) 2017 - 2021 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include <sys/queue.h>
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#include "lsquic_types.h"
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#include "lsquic.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_packet_out.h"
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#include "lsquic_hash.h"
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#include "lsquic_conn.h"
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#include "lsquic_parse.h"
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struct test {
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/* Inputs. */
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const struct parse_funcs
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*pf;
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size_t bufsz;
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uint64_t cid; /* Zero means connection ID is not specified */
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const char *nonce;
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lsquic_packno_t packno;
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enum packno_bits
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bits; /* The test has been retrofitted by adding bits parameter. The test can
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* be made more complicated by calculating packet number length based on
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* some other inputs. However, this is tested elsewhere.
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*/
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union {
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unsigned char buf[4];
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lsquic_ver_tag_t val;
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} ver;
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/* Outputs */
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int len; /* Retval */
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char out[0x100]; /* Contents */
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};
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static void
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run_test (const struct test *const test)
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{
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struct lsquic_packet_out packet_out =
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{
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.po_flags = (test->cid ? PO_CONN_ID : 0)
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| (test->ver.val ? PO_VERSION : 0)
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| (test->nonce ? PO_NONCE: 0)
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,
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.po_nonce = (unsigned char *) test->nonce,
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.po_ver_tag = test->ver.val,
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.po_packno = test->packno,
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};
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lsquic_packet_out_set_packno_bits(&packet_out, test->bits);
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lsquic_cid_t cid;
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memset(&cid, 0, sizeof(cid));
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cid.len = sizeof(test->cid);
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memcpy(cid.idbuf, &test->cid, sizeof(test->cid));
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struct lsquic_conn lconn = LSCONN_INITIALIZER_CID(lconn, cid);
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unsigned char out[GQUIC_MAX_PUBHDR_SZ];
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int len = test->pf->pf_gen_reg_pkt_header(&lconn, &packet_out, out,
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sizeof(out), NULL, NULL);
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assert(("Packet length is correct", len == test->len));
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if (test->len > 0)
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assert(("Packet contents are correct",
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0 == memcmp(out, test->out, len)));
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}
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int
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main (void)
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{
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const struct test tests[] = {
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x01020304,
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.bits = GQUIC_PACKNO_LEN_4,
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.len = 1 + 8 + 0 + 4,
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.out = { (0 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x20 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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0x01, 0x02, 0x03, 0x04, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 8 + 0 + 1,
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.out = { (0 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x09,
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.bits = GQUIC_PACKNO_LEN_1,
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.ver.buf= { 'Q', '0', '4', '3', },
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.len = 1 + 8 + 4 + 0 + 1,
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.out = { (0 << 2) /* Nonce present */
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| 0x01 /* Version present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '4', '3',
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0x09, /* Packet number */
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},
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},
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#define NONCENSE "0123456789abcdefghijklmnopqrstuv"
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#define NONCENSE_BYTES '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v'
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 8 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0, /* Do not set connection ID */
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 0 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x00 /* Packet number length */
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,
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.ver.buf= { 'Q', '0', '4', '3', },
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.len = 1 + 8 + 4 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x01 /* Version present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '4', '3',
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0xA0A1A2A3A4A5A6A7UL,
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.bits = GQUIC_PACKNO_LEN_6,
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.len = 1 + 8 + 32 + 6,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x30 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0xA0A1A2A3A4A5A6A7UL,
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.bits = GQUIC_PACKNO_LEN_6,
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.len = 1 + 8 + 32 + 6,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x30 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
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},
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},
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};
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unsigned i;
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
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run_test(&tests[i]);
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return 0;
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}
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