iv-org-mirror
/
litespeed-quic
mirror of https://gitea.invidious.io/iv-org/litespeed-quic.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
litespeed-quic/src/liblsquic/lsquic_parse_gquic_common.c

732 lines
22 KiB
C
Raw Blame History

/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */
/*
* lsquic_parse_gquic_common.c -- Parsing functions common to GQUIC
*/
#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include "lsquic_types.h"
#include "lsquic_packet_common.h"
#include "lsquic_packet_in.h"
#include "lsquic_parse.h"
#include "lsquic.h"
#define LSQUIC_LOGGER_MODULE LSQLM_PARSE
#include "lsquic_logger.h"
#define CHECK_SPACE(need, pstart, pend) \
do { if ((intptr_t) (need) > ((pend) - (pstart))) { return -1; } } while (0)
/* This partially parses `packet_in' and returns 0 if in case it succeeded and
* -1 on failure.
*
* After this function returns 0, connection ID, nonce, and version fields can
* be examined. To finsh parsing the packet, call version-specific
* pf_parse_packet_in_finish() routine.
*/
int
parse_packet_in_begin (lsquic_packet_in_t *packet_in, size_t length,
int is_server, struct packin_parse_state *state)
{
int nbytes;
enum PACKET_PUBLIC_FLAGS public_flags;
const unsigned char *p = packet_in->pi_data;
const unsigned char *const pend = packet_in->pi_data + length;
CHECK_SPACE(1, p, pend);
public_flags = *p++;
if (public_flags & PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID)
{
CHECK_SPACE(8, p, pend);
memcpy(&packet_in->pi_conn_id, p, 8);
packet_in->pi_flags |= PI_CONN_ID;
p += 8;
}
if (public_flags & PACKET_PUBLIC_FLAGS_VERSION)
{
/* It seems that version negotiation packets sent by Google may have
* NONCE bit set. Ignore it:
*/
public_flags &= ~PACKET_PUBLIC_FLAGS_NONCE;
if (is_server)
{
CHECK_SPACE(4, p, pend);
packet_in->pi_quic_ver = p - packet_in->pi_data;
p += 4;
}
else
{ /* OK, we have a version negotiation packet. We need to verify
* that it has correct structure. See Section 4.3 of
* [draft-ietf-quic-transport-00].
*/
if ((public_flags & ~(PACKET_PUBLIC_FLAGS_VERSION|
PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID))
|| ((pend - p) & 3))
return -1;
CHECK_SPACE(4, p, pend);
packet_in->pi_quic_ver = p - packet_in->pi_data;
p = pend;
}
}
else
{
/* From [draft-hamilton-quic-transport-protocol-01]:
* 0x40 = MULTIPATH. This bit is reserved for multipath use.
* 0x80 is currently unused, and must be set to 0.
*
* The reference implementation checks that two high bits are not set
* if version flag is not set or if the version is the same. For our
* purposes, all GQUIC version we support so far have these bits set
* to zero.
*/
if (public_flags & (0x80|0x40))
return -1;
packet_in->pi_quic_ver = 0;
}
if (!is_server && (public_flags & PACKET_PUBLIC_FLAGS_NONCE) ==
PACKET_PUBLIC_FLAGS_NONCE)
{
CHECK_SPACE(32, p, pend);
packet_in->pi_nonce = p - packet_in->pi_data;
p += 32;
}
else
packet_in->pi_nonce = 0;
state->pps_p = p;
packet_in->pi_packno = 0;
if (0 == (public_flags & (PACKET_PUBLIC_FLAGS_VERSION|PACKET_PUBLIC_FLAGS_RST))
|| ((public_flags & PACKET_PUBLIC_FLAGS_VERSION) && is_server))
{
nbytes = twobit_to_1246((public_flags >> 4) & 3);
CHECK_SPACE(nbytes, p, pend);
p += nbytes;
state->pps_nbytes = nbytes;
}
else
state->pps_nbytes = 0;
packet_in->pi_header_sz = p - packet_in->pi_data;
packet_in->pi_frame_types = 0;
memset(&packet_in->pi_next, 0, sizeof(packet_in->pi_next));
packet_in->pi_data_sz = length;
packet_in->pi_refcnt = 0;
packet_in->pi_received = 0;
return 0;
}
static const enum QUIC_FRAME_TYPE byte2frame_type_Q035_thru_Q039[0x100] =
{
[0x00] = QUIC_FRAME_PADDING,
[0x01] = QUIC_FRAME_RST_STREAM,
[0x02] = QUIC_FRAME_CONNECTION_CLOSE,
[0x03] = QUIC_FRAME_GOAWAY,
[0x04] = QUIC_FRAME_WINDOW_UPDATE,
[0x05] = QUIC_FRAME_BLOCKED,
[0x06] = QUIC_FRAME_STOP_WAITING,
[0x07] = QUIC_FRAME_PING,
[0x08] = QUIC_FRAME_INVALID,
[0x09] = QUIC_FRAME_INVALID,
[0x0A] = QUIC_FRAME_INVALID,
[0x0B] = QUIC_FRAME_INVALID,
[0x0C] = QUIC_FRAME_INVALID,
[0x0D] = QUIC_FRAME_INVALID,
[0x0E] = QUIC_FRAME_INVALID,
[0x0F] = QUIC_FRAME_INVALID,
[0x10] = QUIC_FRAME_INVALID,
[0x11] = QUIC_FRAME_INVALID,
[0x12] = QUIC_FRAME_INVALID,
[0x13] = QUIC_FRAME_INVALID,
[0x14] = QUIC_FRAME_INVALID,
[0x15] = QUIC_FRAME_INVALID,
[0x16] = QUIC_FRAME_INVALID,
[0x17] = QUIC_FRAME_INVALID,
[0x18] = QUIC_FRAME_INVALID,
[0x19] = QUIC_FRAME_INVALID,
[0x1A] = QUIC_FRAME_INVALID,
[0x1B] = QUIC_FRAME_INVALID,
[0x1C] = QUIC_FRAME_INVALID,
[0x1D] = QUIC_FRAME_INVALID,
[0x1E] = QUIC_FRAME_INVALID,
[0x1F] = QUIC_FRAME_INVALID,
[0x20] = QUIC_FRAME_INVALID,
[0x21] = QUIC_FRAME_INVALID,
[0x22] = QUIC_FRAME_INVALID,
[0x23] = QUIC_FRAME_INVALID,
[0x24] = QUIC_FRAME_INVALID,
[0x25] = QUIC_FRAME_INVALID,
[0x26] = QUIC_FRAME_INVALID,
[0x27] = QUIC_FRAME_INVALID,
[0x28] = QUIC_FRAME_INVALID,
[0x29] = QUIC_FRAME_INVALID,
[0x2A] = QUIC_FRAME_INVALID,
[0x2B] = QUIC_FRAME_INVALID,
[0x2C] = QUIC_FRAME_INVALID,
[0x2D] = QUIC_FRAME_INVALID,
[0x2E] = QUIC_FRAME_INVALID,
[0x2F] = QUIC_FRAME_INVALID,
[0x30] = QUIC_FRAME_INVALID,
[0x31] = QUIC_FRAME_INVALID,
[0x32] = QUIC_FRAME_INVALID,
[0x33] = QUIC_FRAME_INVALID,
[0x34] = QUIC_FRAME_INVALID,
[0x35] = QUIC_FRAME_INVALID,
[0x36] = QUIC_FRAME_INVALID,
[0x37] = QUIC_FRAME_INVALID,
[0x38] = QUIC_FRAME_INVALID,
[0x39] = QUIC_FRAME_INVALID,
[0x3A] = QUIC_FRAME_INVALID,
[0x3B] = QUIC_FRAME_INVALID,
[0x3C] = QUIC_FRAME_INVALID,
[0x3D] = QUIC_FRAME_INVALID,
[0x3E] = QUIC_FRAME_INVALID,
[0x3F] = QUIC_FRAME_INVALID,
[0x40] = QUIC_FRAME_ACK,
[0x41] = QUIC_FRAME_ACK,
[0x42] = QUIC_FRAME_ACK,
[0x43] = QUIC_FRAME_ACK,
[0x44] = QUIC_FRAME_ACK,
[0x45] = QUIC_FRAME_ACK,
[0x46] = QUIC_FRAME_ACK,
[0x47] = QUIC_FRAME_ACK,
[0x48] = QUIC_FRAME_ACK,
[0x49] = QUIC_FRAME_ACK,
[0x4A] = QUIC_FRAME_ACK,
[0x4B] = QUIC_FRAME_ACK,
[0x4C] = QUIC_FRAME_ACK,
[0x4D] = QUIC_FRAME_ACK,
[0x4E] = QUIC_FRAME_ACK,
[0x4F] = QUIC_FRAME_ACK,
[0x50] = QUIC_FRAME_ACK,
[0x51] = QUIC_FRAME_ACK,
[0x52] = QUIC_FRAME_ACK,
[0x53] = QUIC_FRAME_ACK,
[0x54] = QUIC_FRAME_ACK,
[0x55] = QUIC_FRAME_ACK,
[0x56] = QUIC_FRAME_ACK,
[0x57] = QUIC_FRAME_ACK,
[0x58] = QUIC_FRAME_ACK,
[0x59] = QUIC_FRAME_ACK,
[0x5A] = QUIC_FRAME_ACK,
[0x5B] = QUIC_FRAME_ACK,
[0x5C] = QUIC_FRAME_ACK,
[0x5D] = QUIC_FRAME_ACK,
[0x5E] = QUIC_FRAME_ACK,
[0x5F] = QUIC_FRAME_ACK,
[0x60] = QUIC_FRAME_ACK,
[0x61] = QUIC_FRAME_ACK,
[0x62] = QUIC_FRAME_ACK,
[0x63] = QUIC_FRAME_ACK,
[0x64] = QUIC_FRAME_ACK,
[0x65] = QUIC_FRAME_ACK,
[0x66] = QUIC_FRAME_ACK,
[0x67] = QUIC_FRAME_ACK,
[0x68] = QUIC_FRAME_ACK,
[0x69] = QUIC_FRAME_ACK,
[0x6A] = QUIC_FRAME_ACK,
[0x6B] = QUIC_FRAME_ACK,
[0x6C] = QUIC_FRAME_ACK,
[0x6D] = QUIC_FRAME_ACK,
[0x6E] = QUIC_FRAME_ACK,
[0x6F] = QUIC_FRAME_ACK,
[0x70] = QUIC_FRAME_ACK,
[0x71] = QUIC_FRAME_ACK,
[0x72] = QUIC_FRAME_ACK,
[0x73] = QUIC_FRAME_ACK,
[0x74] = QUIC_FRAME_ACK,
[0x75] = QUIC_FRAME_ACK,
[0x76] = QUIC_FRAME_ACK,
[0x77] = QUIC_FRAME_ACK,
[0x78] = QUIC_FRAME_ACK,
[0x79] = QUIC_FRAME_ACK,
[0x7A] = QUIC_FRAME_ACK,
[0x7B] = QUIC_FRAME_ACK,
[0x7C] = QUIC_FRAME_ACK,
[0x7D] = QUIC_FRAME_ACK,
[0x7E] = QUIC_FRAME_ACK,
[0x7F] = QUIC_FRAME_ACK,
[0x80] = QUIC_FRAME_STREAM,
[0x81] = QUIC_FRAME_STREAM,
[0x82] = QUIC_FRAME_STREAM,
[0x83] = QUIC_FRAME_STREAM,
[0x84] = QUIC_FRAME_STREAM,
[0x85] = QUIC_FRAME_STREAM,
[0x86] = QUIC_FRAME_STREAM,
[0x87] = QUIC_FRAME_STREAM,
[0x88] = QUIC_FRAME_STREAM,
[0x89] = QUIC_FRAME_STREAM,
[0x8A] = QUIC_FRAME_STREAM,
[0x8B] = QUIC_FRAME_STREAM,
[0x8C] = QUIC_FRAME_STREAM,
[0x8D] = QUIC_FRAME_STREAM,
[0x8E] = QUIC_FRAME_STREAM,
[0x8F] = QUIC_FRAME_STREAM,
[0x90] = QUIC_FRAME_STREAM,
[0x91] = QUIC_FRAME_STREAM,
[0x92] = QUIC_FRAME_STREAM,
[0x93] = QUIC_FRAME_STREAM,
[0x94] = QUIC_FRAME_STREAM,
[0x95] = QUIC_FRAME_STREAM,
[0x96] = QUIC_FRAME_STREAM,
[0x97] = QUIC_FRAME_STREAM,
[0x98] = QUIC_FRAME_STREAM,
[0x99] = QUIC_FRAME_STREAM,
[0x9A] = QUIC_FRAME_STREAM,
[0x9B] = QUIC_FRAME_STREAM,
[0x9C] = QUIC_FRAME_STREAM,
[0x9D] = QUIC_FRAME_STREAM,
[0x9E] = QUIC_FRAME_STREAM,
[0x9F] = QUIC_FRAME_STREAM,
[0xA0] = QUIC_FRAME_STREAM,
[0xA1] = QUIC_FRAME_STREAM,
[0xA2] = QUIC_FRAME_STREAM,
[0xA3] = QUIC_FRAME_STREAM,
[0xA4] = QUIC_FRAME_STREAM,
[0xA5] = QUIC_FRAME_STREAM,
[0xA6] = QUIC_FRAME_STREAM,
[0xA7] = QUIC_FRAME_STREAM,
[0xA8] = QUIC_FRAME_STREAM,
[0xA9] = QUIC_FRAME_STREAM,
[0xAA] = QUIC_FRAME_STREAM,
[0xAB] = QUIC_FRAME_STREAM,
[0xAC] = QUIC_FRAME_STREAM,
[0xAD] = QUIC_FRAME_STREAM,
[0xAE] = QUIC_FRAME_STREAM,
[0xAF] = QUIC_FRAME_STREAM,
[0xB0] = QUIC_FRAME_STREAM,
[0xB1] = QUIC_FRAME_STREAM,
[0xB2] = QUIC_FRAME_STREAM,
[0xB3] = QUIC_FRAME_STREAM,
[0xB4] = QUIC_FRAME_STREAM,
[0xB5] = QUIC_FRAME_STREAM,
[0xB6] = QUIC_FRAME_STREAM,
[0xB7] = QUIC_FRAME_STREAM,
[0xB8] = QUIC_FRAME_STREAM,
[0xB9] = QUIC_FRAME_STREAM,
[0xBA] = QUIC_FRAME_STREAM,
[0xBB] = QUIC_FRAME_STREAM,
[0xBC] = QUIC_FRAME_STREAM,
[0xBD] = QUIC_FRAME_STREAM,
[0xBE] = QUIC_FRAME_STREAM,
[0xBF] = QUIC_FRAME_STREAM,
[0xC0] = QUIC_FRAME_STREAM,
[0xC1] = QUIC_FRAME_STREAM,
[0xC2] = QUIC_FRAME_STREAM,
[0xC3] = QUIC_FRAME_STREAM,
[0xC4] = QUIC_FRAME_STREAM,
[0xC5] = QUIC_FRAME_STREAM,
[0xC6] = QUIC_FRAME_STREAM,
[0xC7] = QUIC_FRAME_STREAM,
[0xC8] = QUIC_FRAME_STREAM,
[0xC9] = QUIC_FRAME_STREAM,
[0xCA] = QUIC_FRAME_STREAM,
[0xCB] = QUIC_FRAME_STREAM,
[0xCC] = QUIC_FRAME_STREAM,
[0xCD] = QUIC_FRAME_STREAM,
[0xCE] = QUIC_FRAME_STREAM,
[0xCF] = QUIC_FRAME_STREAM,
[0xD0] = QUIC_FRAME_STREAM,
[0xD1] = QUIC_FRAME_STREAM,
[0xD2] = QUIC_FRAME_STREAM,
[0xD3] = QUIC_FRAME_STREAM,
[0xD4] = QUIC_FRAME_STREAM,
[0xD5] = QUIC_FRAME_STREAM,
[0xD6] = QUIC_FRAME_STREAM,
[0xD7] = QUIC_FRAME_STREAM,
[0xD8] = QUIC_FRAME_STREAM,
[0xD9] = QUIC_FRAME_STREAM,
[0xDA] = QUIC_FRAME_STREAM,
[0xDB] = QUIC_FRAME_STREAM,
[0xDC] = QUIC_FRAME_STREAM,
[0xDD] = QUIC_FRAME_STREAM,
[0xDE] = QUIC_FRAME_STREAM,
[0xDF] = QUIC_FRAME_STREAM,
[0xE0] = QUIC_FRAME_STREAM,
[0xE1] = QUIC_FRAME_STREAM,
[0xE2] = QUIC_FRAME_STREAM,
[0xE3] = QUIC_FRAME_STREAM,
[0xE4] = QUIC_FRAME_STREAM,
[0xE5] = QUIC_FRAME_STREAM,
[0xE6] = QUIC_FRAME_STREAM,
[0xE7] = QUIC_FRAME_STREAM,
[0xE8] = QUIC_FRAME_STREAM,
[0xE9] = QUIC_FRAME_STREAM,
[0xEA] = QUIC_FRAME_STREAM,
[0xEB] = QUIC_FRAME_STREAM,
[0xEC] = QUIC_FRAME_STREAM,
[0xED] = QUIC_FRAME_STREAM,
[0xEE] = QUIC_FRAME_STREAM,
[0xEF] = QUIC_FRAME_STREAM,
[0xF0] = QUIC_FRAME_STREAM,
[0xF1] = QUIC_FRAME_STREAM,
[0xF2] = QUIC_FRAME_STREAM,
[0xF3] = QUIC_FRAME_STREAM,
[0xF4] = QUIC_FRAME_STREAM,
[0xF5] = QUIC_FRAME_STREAM,
[0xF6] = QUIC_FRAME_STREAM,
[0xF7] = QUIC_FRAME_STREAM,
[0xF8] = QUIC_FRAME_STREAM,
[0xF9] = QUIC_FRAME_STREAM,
[0xFA] = QUIC_FRAME_STREAM,
[0xFB] = QUIC_FRAME_STREAM,
[0xFC] = QUIC_FRAME_STREAM,
[0xFD] = QUIC_FRAME_STREAM,
[0xFE] = QUIC_FRAME_STREAM,
[0xFF] = QUIC_FRAME_STREAM,
};
static const enum QUIC_FRAME_TYPE byte2frame_type_Q040[0x100] =
{
[0x00] = QUIC_FRAME_PADDING,
[0x01] = QUIC_FRAME_RST_STREAM,
[0x02] = QUIC_FRAME_CONNECTION_CLOSE,
[0x03] = QUIC_FRAME_GOAWAY,
[0x04] = QUIC_FRAME_WINDOW_UPDATE,
[0x05] = QUIC_FRAME_BLOCKED,
[0x06] = QUIC_FRAME_STOP_WAITING,
[0x07] = QUIC_FRAME_PING,
[0x08] = QUIC_FRAME_INVALID,
[0x09] = QUIC_FRAME_INVALID,
[0x0A] = QUIC_FRAME_INVALID,
[0x0B] = QUIC_FRAME_INVALID,
[0x0C] = QUIC_FRAME_INVALID,
[0x0D] = QUIC_FRAME_INVALID,
[0x0E] = QUIC_FRAME_INVALID,
[0x0F] = QUIC_FRAME_INVALID,
[0x10] = QUIC_FRAME_INVALID,
[0x11] = QUIC_FRAME_INVALID,
[0x12] = QUIC_FRAME_INVALID,
[0x13] = QUIC_FRAME_INVALID,
[0x14] = QUIC_FRAME_INVALID,
[0x15] = QUIC_FRAME_INVALID,
[0x16] = QUIC_FRAME_INVALID,
[0x17] = QUIC_FRAME_INVALID,
[0x18] = QUIC_FRAME_INVALID,
[0x19] = QUIC_FRAME_INVALID,
[0x1A] = QUIC_FRAME_INVALID,
[0x1B] = QUIC_FRAME_INVALID,
[0x1C] = QUIC_FRAME_INVALID,
[0x1D] = QUIC_FRAME_INVALID,
[0x1E] = QUIC_FRAME_INVALID,
[0x1F] = QUIC_FRAME_INVALID,
[0x20] = QUIC_FRAME_INVALID,
[0x21] = QUIC_FRAME_INVALID,
[0x22] = QUIC_FRAME_INVALID,
[0x23] = QUIC_FRAME_INVALID,
[0x24] = QUIC_FRAME_INVALID,
[0x25] = QUIC_FRAME_INVALID,
[0x26] = QUIC_FRAME_INVALID,
[0x27] = QUIC_FRAME_INVALID,
[0x28] = QUIC_FRAME_INVALID,
[0x29] = QUIC_FRAME_INVALID,
[0x2A] = QUIC_FRAME_INVALID,
[0x2B] = QUIC_FRAME_INVALID,
[0x2C] = QUIC_FRAME_INVALID,
[0x2D] = QUIC_FRAME_INVALID,
[0x2E] = QUIC_FRAME_INVALID,
[0x2F] = QUIC_FRAME_INVALID,
[0x30] = QUIC_FRAME_INVALID,
[0x31] = QUIC_FRAME_INVALID,
[0x32] = QUIC_FRAME_INVALID,
[0x33] = QUIC_FRAME_INVALID,
[0x34] = QUIC_FRAME_INVALID,
[0x35] = QUIC_FRAME_INVALID,
[0x36] = QUIC_FRAME_INVALID,
[0x37] = QUIC_FRAME_INVALID,
[0x38] = QUIC_FRAME_INVALID,
[0x39] = QUIC_FRAME_INVALID,
[0x3A] = QUIC_FRAME_INVALID,
[0x3B] = QUIC_FRAME_INVALID,
[0x3C] = QUIC_FRAME_INVALID,
[0x3D] = QUIC_FRAME_INVALID,
[0x3E] = QUIC_FRAME_INVALID,
[0x3F] = QUIC_FRAME_INVALID,
[0x40] = QUIC_FRAME_INVALID,
[0x41] = QUIC_FRAME_INVALID,
[0x42] = QUIC_FRAME_INVALID,
[0x43] = QUIC_FRAME_INVALID,
[0x44] = QUIC_FRAME_INVALID,
[0x45] = QUIC_FRAME_INVALID,
[0x46] = QUIC_FRAME_INVALID,
[0x47] = QUIC_FRAME_INVALID,
[0x48] = QUIC_FRAME_INVALID,
[0x49] = QUIC_FRAME_INVALID,
[0x4A] = QUIC_FRAME_INVALID,
[0x4B] = QUIC_FRAME_INVALID,
[0x4C] = QUIC_FRAME_INVALID,
[0x4D] = QUIC_FRAME_INVALID,
[0x4E] = QUIC_FRAME_INVALID,
[0x4F] = QUIC_FRAME_INVALID,
[0x50] = QUIC_FRAME_INVALID,
[0x51] = QUIC_FRAME_INVALID,
[0x52] = QUIC_FRAME_INVALID,
[0x53] = QUIC_FRAME_INVALID,
[0x54] = QUIC_FRAME_INVALID,
[0x55] = QUIC_FRAME_INVALID,
[0x56] = QUIC_FRAME_INVALID,
[0x57] = QUIC_FRAME_INVALID,
[0x58] = QUIC_FRAME_INVALID,
[0x59] = QUIC_FRAME_INVALID,
[0x5A] = QUIC_FRAME_INVALID,
[0x5B] = QUIC_FRAME_INVALID,
[0x5C] = QUIC_FRAME_INVALID,
[0x5D] = QUIC_FRAME_INVALID,
[0x5E] = QUIC_FRAME_INVALID,
[0x5F] = QUIC_FRAME_INVALID,
[0x60] = QUIC_FRAME_INVALID,
[0x61] = QUIC_FRAME_INVALID,
[0x62] = QUIC_FRAME_INVALID,
[0x63] = QUIC_FRAME_INVALID,
[0x64] = QUIC_FRAME_INVALID,
[0x65] = QUIC_FRAME_INVALID,
[0x66] = QUIC_FRAME_INVALID,
[0x67] = QUIC_FRAME_INVALID,
[0x68] = QUIC_FRAME_INVALID,
[0x69] = QUIC_FRAME_INVALID,
[0x6A] = QUIC_FRAME_INVALID,
[0x6B] = QUIC_FRAME_INVALID,
[0x6C] = QUIC_FRAME_INVALID,
[0x6D] = QUIC_FRAME_INVALID,
[0x6E] = QUIC_FRAME_INVALID,
[0x6F] = QUIC_FRAME_INVALID,
[0x70] = QUIC_FRAME_INVALID,
[0x71] = QUIC_FRAME_INVALID,
[0x72] = QUIC_FRAME_INVALID,
[0x73] = QUIC_FRAME_INVALID,
[0x74] = QUIC_FRAME_INVALID,
[0x75] = QUIC_FRAME_INVALID,
[0x76] = QUIC_FRAME_INVALID,
[0x77] = QUIC_FRAME_INVALID,
[0x78] = QUIC_FRAME_INVALID,
[0x79] = QUIC_FRAME_INVALID,
[0x7A] = QUIC_FRAME_INVALID,
[0x7B] = QUIC_FRAME_INVALID,
[0x7C] = QUIC_FRAME_INVALID,
[0x7D] = QUIC_FRAME_INVALID,
[0x7E] = QUIC_FRAME_INVALID,
[0x7F] = QUIC_FRAME_INVALID,
[0x80] = QUIC_FRAME_INVALID,
[0x81] = QUIC_FRAME_INVALID,
[0x82] = QUIC_FRAME_INVALID,
[0x83] = QUIC_FRAME_INVALID,
[0x84] = QUIC_FRAME_INVALID,
[0x85] = QUIC_FRAME_INVALID,
[0x86] = QUIC_FRAME_INVALID,
[0x87] = QUIC_FRAME_INVALID,
[0x88] = QUIC_FRAME_INVALID,
[0x89] = QUIC_FRAME_INVALID,
[0x8A] = QUIC_FRAME_INVALID,
[0x8B] = QUIC_FRAME_INVALID,
[0x8C] = QUIC_FRAME_INVALID,
[0x8D] = QUIC_FRAME_INVALID,
[0x8E] = QUIC_FRAME_INVALID,
[0x8F] = QUIC_FRAME_INVALID,
[0x90] = QUIC_FRAME_INVALID,
[0x91] = QUIC_FRAME_INVALID,
[0x92] = QUIC_FRAME_INVALID,
[0x93] = QUIC_FRAME_INVALID,
[0x94] = QUIC_FRAME_INVALID,
[0x95] = QUIC_FRAME_INVALID,
[0x96] = QUIC_FRAME_INVALID,
[0x97] = QUIC_FRAME_INVALID,
[0x98] = QUIC_FRAME_INVALID,
[0x99] = QUIC_FRAME_INVALID,
[0x9A] = QUIC_FRAME_INVALID,
[0x9B] = QUIC_FRAME_INVALID,
[0x9C] = QUIC_FRAME_INVALID,
[0x9D] = QUIC_FRAME_INVALID,
[0x9E] = QUIC_FRAME_INVALID,
[0x9F] = QUIC_FRAME_INVALID,
[0xA0] = QUIC_FRAME_ACK,
[0xA1] = QUIC_FRAME_ACK,
[0xA2] = QUIC_FRAME_ACK,
[0xA3] = QUIC_FRAME_ACK,
[0xA4] = QUIC_FRAME_ACK,
[0xA5] = QUIC_FRAME_ACK,
[0xA6] = QUIC_FRAME_ACK,
[0xA7] = QUIC_FRAME_ACK,
[0xA8] = QUIC_FRAME_ACK,
[0xA9] = QUIC_FRAME_ACK,
[0xAA] = QUIC_FRAME_ACK,
[0xAB] = QUIC_FRAME_ACK,
[0xAC] = QUIC_FRAME_ACK,
[0xAD] = QUIC_FRAME_ACK,
[0xAE] = QUIC_FRAME_ACK,
[0xAF] = QUIC_FRAME_ACK,
[0xB0] = QUIC_FRAME_ACK,
[0xB1] = QUIC_FRAME_ACK,
[0xB2] = QUIC_FRAME_ACK,
[0xB3] = QUIC_FRAME_ACK,
[0xB4] = QUIC_FRAME_ACK,
[0xB5] = QUIC_FRAME_ACK,
[0xB6] = QUIC_FRAME_ACK,
[0xB7] = QUIC_FRAME_ACK,
[0xB8] = QUIC_FRAME_ACK,
[0xB9] = QUIC_FRAME_ACK,
[0xBA] = QUIC_FRAME_ACK,
[0xBB] = QUIC_FRAME_ACK,
[0xBC] = QUIC_FRAME_ACK,
[0xBD] = QUIC_FRAME_ACK,
[0xBE] = QUIC_FRAME_ACK,
[0xBF] = QUIC_FRAME_ACK,
[0xC0] = QUIC_FRAME_STREAM,
[0xC1] = QUIC_FRAME_STREAM,
[0xC2] = QUIC_FRAME_STREAM,
[0xC3] = QUIC_FRAME_STREAM,
[0xC4] = QUIC_FRAME_STREAM,
[0xC5] = QUIC_FRAME_STREAM,
[0xC6] = QUIC_FRAME_STREAM,
[0xC7] = QUIC_FRAME_STREAM,
[0xC8] = QUIC_FRAME_STREAM,
[0xC9] = QUIC_FRAME_STREAM,
[0xCA] = QUIC_FRAME_STREAM,
[0xCB] = QUIC_FRAME_STREAM,
[0xCC] = QUIC_FRAME_STREAM,
[0xCD] = QUIC_FRAME_STREAM,
[0xCE] = QUIC_FRAME_STREAM,
[0xCF] = QUIC_FRAME_STREAM,
[0xD0] = QUIC_FRAME_STREAM,
[0xD1] = QUIC_FRAME_STREAM,
[0xD2] = QUIC_FRAME_STREAM,
[0xD3] = QUIC_FRAME_STREAM,
[0xD4] = QUIC_FRAME_STREAM,
[0xD5] = QUIC_FRAME_STREAM,
[0xD6] = QUIC_FRAME_STREAM,
[0xD7] = QUIC_FRAME_STREAM,
[0xD8] = QUIC_FRAME_STREAM,
[0xD9] = QUIC_FRAME_STREAM,
[0xDA] = QUIC_FRAME_STREAM,
[0xDB] = QUIC_FRAME_STREAM,
[0xDC] = QUIC_FRAME_STREAM,
[0xDD] = QUIC_FRAME_STREAM,
[0xDE] = QUIC_FRAME_STREAM,
[0xDF] = QUIC_FRAME_STREAM,
[0xE0] = QUIC_FRAME_STREAM,
[0xE1] = QUIC_FRAME_STREAM,
[0xE2] = QUIC_FRAME_STREAM,
[0xE3] = QUIC_FRAME_STREAM,
[0xE4] = QUIC_FRAME_STREAM,
[0xE5] = QUIC_FRAME_STREAM,
[0xE6] = QUIC_FRAME_STREAM,
[0xE7] = QUIC_FRAME_STREAM,
[0xE8] = QUIC_FRAME_STREAM,
[0xE9] = QUIC_FRAME_STREAM,
[0xEA] = QUIC_FRAME_STREAM,
[0xEB] = QUIC_FRAME_STREAM,
[0xEC] = QUIC_FRAME_STREAM,
[0xED] = QUIC_FRAME_STREAM,
[0xEE] = QUIC_FRAME_STREAM,
[0xEF] = QUIC_FRAME_STREAM,
[0xF0] = QUIC_FRAME_STREAM,
[0xF1] = QUIC_FRAME_STREAM,
[0xF2] = QUIC_FRAME_STREAM,
[0xF3] = QUIC_FRAME_STREAM,
[0xF4] = QUIC_FRAME_STREAM,
[0xF5] = QUIC_FRAME_STREAM,
[0xF6] = QUIC_FRAME_STREAM,
[0xF7] = QUIC_FRAME_STREAM,
[0xF8] = QUIC_FRAME_STREAM,
[0xF9] = QUIC_FRAME_STREAM,
[0xFA] = QUIC_FRAME_STREAM,
[0xFB] = QUIC_FRAME_STREAM,
[0xFC] = QUIC_FRAME_STREAM,
[0xFD] = QUIC_FRAME_STREAM,
[0xFE] = QUIC_FRAME_STREAM,
[0xFF] = QUIC_FRAME_STREAM,
};
enum QUIC_FRAME_TYPE
parse_frame_type_gquic_Q035_thru_Q039 (unsigned char b)
{
return byte2frame_type_Q035_thru_Q039[b];
}
enum QUIC_FRAME_TYPE
parse_frame_type_gquic_Q040 (unsigned char b)
{
return byte2frame_type_Q040[b];
}
unsigned
parse_stream_frame_header_sz_gquic (unsigned char type)
{
const unsigned data_len = (type >> 4) & 2;
const unsigned offset_len = ((type >> 2) & 7) + 1 - !((type >> 2) & 7);
const unsigned stream_id_len = 1 + (type & 3);
return 1 + data_len + offset_len + stream_id_len;
}
size_t
calc_stream_frame_header_sz_gquic (uint32_t stream_id, uint64_t offset)
{
return
/* Type */
1
/* Stream ID length */
+ ((stream_id) > 0x0000FF)
+ ((stream_id) > 0x00FFFF)
+ ((stream_id) > 0xFFFFFF)
+ 1
/* Offset length */
+ ((offset) >= (1ULL << 56))
+ ((offset) >= (1ULL << 48))
+ ((offset) >= (1ULL << 40))
+ ((offset) >= (1ULL << 32))
+ ((offset) >= (1ULL << 24))
+ ((offset) >= (1ULL << 16))
+ (((offset) > 0) << 1)
/* Add data length (2) yourself, if necessary */
;
}
char *
acki2str (const struct ack_info *acki, size_t *sz)
{
size_t off, bufsz, nw;
unsigned n;
char *buf;
bufsz = acki->n_ranges * (3 /* [-] */ + 20 /* ~0ULL */ * 2);
buf = malloc(bufsz);
if (!buf)
{
LSQ_WARN("%s: malloc(%zd) failure: %s", __func__, bufsz,
strerror(errno));
return NULL;
}
off = 0;
for (n = 0; n < acki->n_ranges; ++n)
{
nw = snprintf(buf + off, bufsz - off, "[%"PRIu64"-%"PRIu64"]",
acki->ranges[n].high, acki->ranges[n].low);
if (nw > bufsz - off)
break;
off += nw;
}
*sz = off;
return buf;
}
Reference in New Issue View Git Blame Copy Permalink