2020-01-09 16:52:25 +00:00
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/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. */
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2017-09-22 21:00:03 +00:00
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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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2018-03-12 22:25:01 +00:00
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#ifndef WIN32
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2017-09-22 21:00:03 +00:00
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#include <sys/time.h>
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2018-03-12 22:25:01 +00:00
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#endif
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#include <sys/queue.h>
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2017-09-22 21:00:03 +00:00
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2018-03-12 22:25:01 +00:00
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#include "lsquic.h"
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2017-09-22 21:00:03 +00:00
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#include "lsquic_types.h"
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#include "lsquic_parse.h"
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2018-02-26 21:01:16 +00:00
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#include "lsquic_packet_common.h"
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2017-09-22 21:00:03 +00:00
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#include "lsquic_packet_in.h"
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struct test {
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const char *name;
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int lineno;
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const struct parse_funcs *
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pf;
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const unsigned char
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buf[0x100]; /* Large enough for our needs */
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size_t buf_sz; /* # of stream frame bytes in `buf' */
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size_t rem_packet_sz; /* # of bytes remaining in the packet,
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* starting at the beginning of the
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* stream frame.
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*/
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stream_frame_t frame; /* Expected values */
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int should_succeed;
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};
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static const struct test tests[] = {
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/*
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2019-09-11 15:27:58 +00:00
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* Big-endian tests
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2017-09-22 21:00:03 +00:00
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*/
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{ "Balls to the wall: every possible bit is set",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x40 | 0x20 | 0x1C | 0x3,
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2019-09-11 15:27:58 +00:00
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0x00, 0x00, 0x02, 0x10, /* Stream ID */
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
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0x01, 0xC4, /* Data length */
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2017-09-22 21:00:03 +00:00
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},
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1 + 2 + 8 + 4,
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0x200,
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{ .data_frame.df_offset = 0x0807060504030201UL,
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.stream_id = 0x210,
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.data_frame.df_size = 0x1C4,
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.data_frame.df_fin = 1,
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},
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1,
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},
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{ "Balls to the wall #2: every possible bit is set, except FIN",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x20 | 0x1C | 0x3,
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2019-09-11 15:27:58 +00:00
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0x00, 0x00, 0x02, 0x10, /* Stream ID */
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
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0x01, 0xC4, /* Data length */
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2017-09-22 21:00:03 +00:00
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},
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1 + 2 + 8 + 4,
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0x200,
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{ .data_frame.df_offset = 0x0807060504030201UL,
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.stream_id = 0x210,
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.data_frame.df_size = 0x1C4,
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.data_frame.df_fin = 0,
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},
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1,
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},
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{ "Data length is zero",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x40 | 0x00 | 0x1C | 0x3,
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2019-09-11 15:27:58 +00:00
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0x00, 0x00, 0x02, 0x10, /* Stream ID */
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
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0xC4, 0x01, /* Data length: note this does not matter */
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2017-09-22 21:00:03 +00:00
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},
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1 + 0 + 8 + 4,
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0x200,
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{ .data_frame.df_offset = 0x0807060504030201UL,
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.stream_id = 0x210,
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.data_frame.df_size = 0x200 - (1 + 8 + 4),
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.data_frame.df_fin = 1,
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},
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1,
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},
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{ "Stream ID length is 1",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x40 | 0x20 | 0x1C | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
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0x01, 0xC4, /* Data length */
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2017-09-22 21:00:03 +00:00
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},
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1 + 2 + 8 + 1,
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0x200,
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{ .data_frame.df_offset = 0x0807060504030201UL,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x1C4,
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.data_frame.df_fin = 1,
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},
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1,
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},
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{ "All bits are zero save offset length",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x00 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, /* Offset */
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2017-09-22 21:00:03 +00:00
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0xC4, 0x01, /* Data length */
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},
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1 + 0 + 2 + 1,
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0x200,
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x200 - 4,
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.data_frame.df_fin = 0,
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},
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1,
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},
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{ "Sanity check: either FIN must be set or data length is not zero #1",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x00 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, /* Offset */
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2017-09-22 21:00:03 +00:00
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},
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1 + 0 + 2 + 1,
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4, /* Same as buffer size: in the absense of explicit data
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* length in the header, this would mean that data
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* length is zero.
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*/
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x200 - 4,
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.data_frame.df_fin = 0,
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},
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0,
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},
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{ "Sanity check: either FIN must be set or data length is not zero #2",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x20 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, /* Offset */
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2017-09-22 21:00:03 +00:00
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0x00, 0x00,
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},
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1 + 2 + 2 + 1,
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200,
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x200 - 4,
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.data_frame.df_fin = 0,
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},
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0,
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},
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{ "Sanity check: either FIN must be set or data length is not zero #3",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x40 | 0x20 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, /* Offset */
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2017-09-22 21:00:03 +00:00
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0x00, 0x00,
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},
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1 + 2 + 2 + 1,
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200,
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x0,
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.data_frame.df_fin = 1,
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},
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1,
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},
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{ "Check data bounds #1",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x20 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, /* Offset */
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0x01, 0xFA, /* Data length */
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2017-09-22 21:00:03 +00:00
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},
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1 + 2 + 2 + 1,
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0x200,
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x1FA,
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.data_frame.df_fin = 0,
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},
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1,
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},
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{ "Check data bounds #2",
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__LINE__,
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2020-01-20 14:41:37 +00:00
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select_pf_by_ver(LSQVER_043),
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2017-09-22 21:00:03 +00:00
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/* 1 f d ooo ss 1fdoooss */
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/* TYPE FIN DLEN OLEN SLEN */
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{ 0x80 | 0x00 | 0x20 | 0x04 | 0x0,
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0xF0, /* Stream ID */
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2019-09-11 15:27:58 +00:00
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0x02, 0x55, /* Offset */
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0x01, 0xFB, /* <--- One byte too many */
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2017-09-22 21:00:03 +00:00
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},
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1 + 2 + 2 + 1,
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0x200,
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{ .data_frame.df_offset = 0x255,
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.stream_id = 0xF0,
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.data_frame.df_size = 0x1FA,
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.data_frame.df_fin = 0,
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},
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0,
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},
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/*
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2019-09-11 15:27:58 +00:00
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* IETF QUIC Internet-Draft 14 Tests.
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2017-09-22 21:00:03 +00:00
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*/
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2019-09-11 15:27:58 +00:00
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2017-09-22 21:00:03 +00:00
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{ "Balls to the wall: every possible bit is set",
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__LINE__,
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2020-05-27 14:26:32 +00:00
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select_pf_by_ver(LSQVER_ID27),
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2019-09-11 15:27:58 +00:00
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/* TYPE OFF DLEN FIN */
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{ 0x10 | 1<<2 | 1<<1 | 1<<0,
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0x41, 0x23, /* Stream ID */
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0x08, /* Offset */
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0x41, 0xC4, /* Data length */
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},
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1 + 2 + 1 + 2,
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2017-09-22 21:00:03 +00:00
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0x200,
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2019-09-11 15:27:58 +00:00
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{ .data_frame.df_offset = 0x08,
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.stream_id = 0x123,
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.data_frame.df_size = 0x1C4,
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.data_frame.df_fin = 1,
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2017-09-22 21:00:03 +00:00
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},
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1,
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},
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2019-09-11 15:27:58 +00:00
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{ "Balls to the wall #2: every possible bit is set except FIN",
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2017-09-22 21:00:03 +00:00
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__LINE__,
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2020-05-27 14:26:32 +00:00
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select_pf_by_ver(LSQVER_ID27),
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2019-09-11 15:27:58 +00:00
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/* TYPE OFF DLEN FIN */
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{ 0x10 | 1<<2 | 1<<1 | 0<<0,
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0x81, 0x23, 0x00, 0xE4, /* Stream ID */
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0xF0, 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, /* Offset */
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0x41, 0xC4, /* Data length */
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},
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1 + 4 + 8 + 2,
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2017-09-22 21:00:03 +00:00
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0x200,
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2019-09-11 15:27:58 +00:00
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{ .data_frame.df_offset = 0x301234567890ABCDull,
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.stream_id = 0x12300E4,
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.data_frame.df_size = 0x1C4,
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.data_frame.df_fin = 0,
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2017-09-22 21:00:03 +00:00
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},
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1,
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},
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{ "Data length is zero",
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|
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 0<<1 | 0<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0xF0, 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, /* Offset */
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
2019-09-11 15:27:58 +00:00
|
|
|
1 + 4 + 8 + 0,
|
2017-09-22 21:00:03 +00:00
|
|
|
0x200,
|
2019-09-11 15:27:58 +00:00
|
|
|
{ .data_frame.df_offset = 0x301234567890ABCDull,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0x200 - 1 - 4 - 8,
|
|
|
|
|
.data_frame.df_fin = 0,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
1,
|
|
|
|
|
},
|
|
|
|
|
|
2019-09-11 15:27:58 +00:00
|
|
|
{ "Sanity check: what happens when data length is zero #1",
|
2017-09-22 21:00:03 +00:00
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 1<<1 | 0<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0xF0, 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, /* Offset */
|
|
|
|
|
0x40, 0x00, /* Data length */
|
|
|
|
|
},
|
|
|
|
|
1 + 4 + 8 + 2,
|
2017-09-22 21:00:03 +00:00
|
|
|
0x200,
|
2019-09-11 15:27:58 +00:00
|
|
|
{ .data_frame.df_offset = 0x301234567890ABCDull,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0,
|
|
|
|
|
.data_frame.df_fin = 0,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
1,
|
|
|
|
|
},
|
|
|
|
|
|
2019-09-11 15:27:58 +00:00
|
|
|
{ "Sanity check: what happens when data length is zero #2",
|
2017-09-22 21:00:03 +00:00
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 1<<1 | 0<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0x00, /* Offset */
|
|
|
|
|
0x40, 0x00, /* Data length */
|
|
|
|
|
},
|
|
|
|
|
1 + 4 + 1 + 2,
|
2017-09-22 21:00:03 +00:00
|
|
|
0x200,
|
2019-09-11 15:27:58 +00:00
|
|
|
{ .data_frame.df_offset = 0,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0,
|
|
|
|
|
.data_frame.df_fin = 0,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
1,
|
|
|
|
|
},
|
|
|
|
|
|
2019-09-11 15:27:58 +00:00
|
|
|
{ "Sanity check: what happens when data length is zero #3",
|
2017-09-22 21:00:03 +00:00
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 0<<2 | 1<<1 | 0<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0x40, 0x00, /* Data length */
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
2019-09-11 15:27:58 +00:00
|
|
|
1 + 4 + 0 + 2,
|
|
|
|
|
0x200,
|
|
|
|
|
{ .data_frame.df_offset = 0,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0,
|
|
|
|
|
.data_frame.df_fin = 0,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
2019-09-11 15:27:58 +00:00
|
|
|
1,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
|
2019-09-11 15:27:58 +00:00
|
|
|
{ "Sanity check: what happens when data length is zero #3",
|
2017-09-22 21:00:03 +00:00
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 1<<1 | 1<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0x12, /* Offset */
|
|
|
|
|
0x00, /* Data length */
|
|
|
|
|
},
|
|
|
|
|
1 + 4 + 1 + 1,
|
|
|
|
|
0x200,
|
|
|
|
|
{ .data_frame.df_offset = 0x12,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0,
|
|
|
|
|
.data_frame.df_fin = 1,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
1,
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
{ "Check data bounds #1",
|
|
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 1<<1 | 1<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0x12, /* Offset */
|
|
|
|
|
0x41, 0xF8, /* Data length */
|
|
|
|
|
},
|
|
|
|
|
1 + 4 + 1 + 2,
|
|
|
|
|
0x200,
|
|
|
|
|
{ .data_frame.df_offset = 0x12,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0x200 - 1 - 4 - 1 - 2,
|
|
|
|
|
.data_frame.df_fin = 1,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
1,
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
{ "Check data bounds #2",
|
|
|
|
|
__LINE__,
|
2020-05-27 14:26:32 +00:00
|
|
|
select_pf_by_ver(LSQVER_ID27),
|
2019-09-11 15:27:58 +00:00
|
|
|
/* TYPE OFF DLEN FIN */
|
|
|
|
|
{ 0x10 | 1<<2 | 1<<1 | 1<<0,
|
|
|
|
|
0x81, 0x23, 0x00, 0xE4, /* Stream ID */
|
|
|
|
|
0x12, /* Offset */
|
|
|
|
|
0x41, 0xF9, /* Data length */
|
|
|
|
|
},
|
|
|
|
|
1 + 4 + 1 + 2,
|
|
|
|
|
0x200,
|
|
|
|
|
{ .data_frame.df_offset = 0x12,
|
|
|
|
|
.stream_id = 0x12300E4,
|
|
|
|
|
.data_frame.df_size = 0x200 - 1 - 4 - 1 - 2,
|
|
|
|
|
.data_frame.df_fin = 1,
|
2017-09-22 21:00:03 +00:00
|
|
|
},
|
|
|
|
|
0,
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
run_test (const struct test *test)
|
|
|
|
|
{
|
|
|
|
|
stream_frame_t frame;
|
|
|
|
|
memset(&frame, 0x7A, sizeof(frame));
|
|
|
|
|
|
|
|
|
|
int len = test->pf->pf_parse_stream_frame(test->buf, test->rem_packet_sz, &frame);
|
|
|
|
|
|
|
|
|
|
if (test->should_succeed) {
|
|
|
|
|
/* Check parser operation */
|
|
|
|
|
assert(("Parsed correct number of bytes", (size_t) len == test->buf_sz + test->frame.data_frame.df_size));
|
|
|
|
|
assert(("Stream ID is correct", frame.stream_id == test->frame.stream_id));
|
|
|
|
|
assert(("Data length is correct", frame.data_frame.df_size == test->frame.data_frame.df_size));
|
|
|
|
|
assert(("Offset is correct", frame.data_frame.df_offset == test->frame.data_frame.df_offset));
|
|
|
|
|
assert(("FIN is correct", frame.data_frame.df_fin == test->frame.data_frame.df_fin));
|
|
|
|
|
|
|
|
|
|
/* Check that initialization of other fields occurred correctly: */
|
|
|
|
|
assert(0 == frame.packet_in);
|
|
|
|
|
assert(0 == frame.data_frame.df_read_off);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
assert(("This test should fail", len < 0));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
main (void)
|
|
|
|
|
{
|
|
|
|
|
unsigned i;
|
|
|
|
|
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
|
|
|
|
|
run_test(&tests[i]);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
