598 lines
20 KiB
C
598 lines
20 KiB
C
/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
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#ifndef WIN32
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#include <arpa/inet.h>
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#else
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#include <vc_compat.h>
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#endif
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#include <errno.h>
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#include <inttypes.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 <openssl/x509.h>
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#include "lsquic.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_packet_gquic.h"
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#include "lsquic_packet_in.h"
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#include "lsquic_packet_out.h"
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#include "lsquic_parse.h"
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#include "lsquic_frame_common.h"
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#include "lsquic_headers.h"
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#include "lsquic_str.h"
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#include "lsquic_frame_reader.h"
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#include "lsquic_enc_sess.h"
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#include "lsquic_ev_log.h"
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#include "lsquic_sizes.h"
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#include "lsquic_trans_params.h"
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#include "lsquic_util.h"
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#include "lsquic_hash.h"
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#include "lsquic_conn.h"
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#include "lsxpack_header.h"
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#define LSQUIC_LOGGER_MODULE LSQLM_EVENT
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#include "lsquic_logger.h"
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/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
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/* |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| */
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/* Messages that do not include connection ID go above this point */
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#define LSQUIC_LOG_CONN_ID cid
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#define LCID(...) LSQ_LOG2(LSQ_LOG_DEBUG, __VA_ARGS__) /* LCID: log with CID */
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/* Messages that are to include connection ID go below this point */
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/* |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| */
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/* VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV */
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void
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lsquic_ev_log_packet_in (const lsquic_cid_t *cid,
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const lsquic_packet_in_t *packet_in)
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{
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unsigned packet_sz;
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switch (packet_in->pi_flags & (PI_FROM_MINI|PI_GQUIC))
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{
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case PI_FROM_MINI|PI_GQUIC:
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LCID("packet in: %"PRIu64" (from mini)", packet_in->pi_packno);
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break;
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case PI_FROM_MINI:
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LCID("packet in: %"PRIu64" (from mini), type: %s, ecn: %u",
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packet_in->pi_packno, lsquic_hety2str[packet_in->pi_header_type],
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lsquic_packet_in_ecn(packet_in));
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break;
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case PI_GQUIC:
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packet_sz = packet_in->pi_data_sz
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+ (packet_in->pi_flags & PI_DECRYPTED ? GQUIC_PACKET_HASH_SZ : 0);
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LCID("packet in: %"PRIu64", size: %u", packet_in->pi_packno, packet_sz);
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break;
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default:
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packet_sz = packet_in->pi_data_sz
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+ (packet_in->pi_flags & PI_DECRYPTED ? IQUIC_TAG_LEN : 0);
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if (packet_in->pi_flags & PI_LOG_QL_BITS)
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LCID("packet in: %"PRIu64", type: %s, size: %u; ecn: %u, spin: %d; "
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"path: %hhu; Q: %d; L: %d",
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packet_in->pi_packno, lsquic_hety2str[packet_in->pi_header_type],
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packet_sz,
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lsquic_packet_in_ecn(packet_in),
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/* spin bit value is only valid for short packet headers */
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lsquic_packet_in_spin_bit(packet_in), packet_in->pi_path_id,
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((packet_in->pi_flags & PI_SQUARE_BIT) > 0),
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((packet_in->pi_flags & PI_LOSS_BIT) > 0));
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else
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LCID("packet in: %"PRIu64", type: %s, size: %u; ecn: %u, spin: %d; "
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"path: %hhu",
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packet_in->pi_packno, lsquic_hety2str[packet_in->pi_header_type],
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packet_sz,
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lsquic_packet_in_ecn(packet_in),
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/* spin bit value is only valid for short packet headers */
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lsquic_packet_in_spin_bit(packet_in), packet_in->pi_path_id);
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break;
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}
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}
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void
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lsquic_ev_log_ack_frame_in (const lsquic_cid_t *cid,
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const struct ack_info *acki)
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{
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char buf[MAX_ACKI_STR_SZ];
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lsquic_acki2str(acki, buf, sizeof(buf));
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LCID("ACK frame in: %s", buf);
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}
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void
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lsquic_ev_log_stream_frame_in (const lsquic_cid_t *cid,
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const struct stream_frame *frame)
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{
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LCID("STREAM frame in: stream %"PRIu64"; offset %"PRIu64"; size %"PRIu16
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"; fin: %d", frame->stream_id, frame->data_frame.df_offset,
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frame->data_frame.df_size, (int) frame->data_frame.df_fin);
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}
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void
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lsquic_ev_log_crypto_frame_in (const lsquic_cid_t *cid,
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const struct stream_frame *frame, unsigned enc_level)
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{
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LCID("CRYPTO frame in: level %u; offset %"PRIu64"; size %"PRIu16,
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enc_level, frame->data_frame.df_offset, frame->data_frame.df_size);
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}
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void
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lsquic_ev_log_stop_waiting_frame_in (const lsquic_cid_t *cid,
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lsquic_packno_t least)
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{
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LCID("STOP_WAITING frame in: least unacked packno %"PRIu64, least);
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}
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void
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lsquic_ev_log_window_update_frame_in (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id, uint64_t offset)
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{
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LCID("WINDOW_UPDATE frame in: stream %"PRIu64"; offset %"PRIu64,
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stream_id, offset);
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}
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void
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lsquic_ev_log_blocked_frame_in (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id)
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{
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LCID("BLOCKED frame in: stream %"PRIu64, stream_id);
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}
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void
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lsquic_ev_log_connection_close_frame_in (const lsquic_cid_t *cid,
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uint64_t error_code, int reason_len, const char *reason)
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{
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LCID("CONNECTION_CLOSE frame in: error code %"PRIu64", reason: %.*s",
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error_code, reason_len, reason);
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}
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void
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lsquic_ev_log_goaway_frame_in (const lsquic_cid_t *cid, uint32_t error_code,
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lsquic_stream_id_t stream_id, int reason_len, const char *reason)
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{
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LCID("GOAWAY frame in: error code %"PRIu32", stream %"PRIu64
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", reason: %.*s", error_code, stream_id, reason_len, reason);
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}
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void
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lsquic_ev_log_rst_stream_frame_in (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id, uint64_t offset, uint64_t error_code)
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{
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LCID("RST_STREAM frame in: error code %"PRIu64", stream %"PRIu64
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", offset: %"PRIu64, error_code, stream_id, offset);
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}
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void
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lsquic_ev_log_stop_sending_frame_in (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id, uint64_t error_code)
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{
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LCID("STOP_SENDING frame in: error code %"PRIu64", stream %"PRIu64,
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error_code, stream_id);
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}
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void
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lsquic_ev_log_padding_frame_in (const lsquic_cid_t *cid, size_t len)
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{
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LCID("PADDING frame in of %zd bytes", len);
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}
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void
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lsquic_ev_log_ping_frame_in (const lsquic_cid_t *cid)
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{
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LCID("PING frame in");
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}
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void
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lsquic_ev_log_packet_created (const lsquic_cid_t *cid,
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const struct lsquic_packet_out *packet_out)
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{
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LCID("created packet %"PRIu64"; flags: version=%d, nonce=%d, conn_id=%d",
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packet_out->po_packno,
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!!(packet_out->po_flags & PO_VERSION),
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!!(packet_out->po_flags & PO_NONCE),
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!!(packet_out->po_flags & PO_CONN_ID));
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}
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void
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lsquic_ev_log_packet_sent (const lsquic_cid_t *cid,
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const struct lsquic_packet_out *packet_out)
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{
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char frames[lsquic_frame_types_str_sz];
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if (lsquic_packet_out_verneg(packet_out))
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LCID("sent version negotiation packet, size %hu",
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packet_out->po_data_sz);
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else if (lsquic_packet_out_retry(packet_out))
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LCID("sent stateless retry packet, size %hu", packet_out->po_data_sz);
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else if (lsquic_packet_out_pubres(packet_out))
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LCID("sent public reset packet, size %hu", packet_out->po_data_sz);
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else if (packet_out->po_lflags & POL_GQUIC)
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LCID("sent packet %"PRIu64", size %hu, frame types: %s",
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packet_out->po_packno, packet_out->po_enc_data_sz,
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/* Frame types is a list of different frames types contained
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* in the packet, no more. Count and order of frames is not
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* printed.
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*/
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lsquic_frame_types_to_str(frames, sizeof(frames),
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packet_out->po_frame_types));
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else if (packet_out->po_lflags & POL_LOG_QL_BITS)
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LCID("sent packet %"PRIu64", type %s, crypto: %s, size %hu, frame "
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"types: %s, ecn: %u, spin: %d; kp: %u, path: %hhu, flags: %u; "
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"Q: %u; L: %u",
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packet_out->po_packno, lsquic_hety2str[packet_out->po_header_type],
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lsquic_enclev2str[ lsquic_packet_out_enc_level(packet_out) ],
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packet_out->po_enc_data_sz,
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/* Frame types is a list of different frames types contained
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* in the packet, no more. Count and order of frames is not
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* printed.
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*/
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lsquic_frame_types_to_str(frames, sizeof(frames),
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packet_out->po_frame_types),
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lsquic_packet_out_ecn(packet_out),
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/* spin bit value is only valid for short packet headers */
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lsquic_packet_out_spin_bit(packet_out),
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lsquic_packet_out_kp(packet_out),
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packet_out->po_path->np_path_id,
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(unsigned) packet_out->po_flags,
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lsquic_packet_out_square_bit(packet_out),
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lsquic_packet_out_loss_bit(packet_out));
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else
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LCID("sent packet %"PRIu64", type %s, crypto: %s, size %hu, frame "
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"types: %s, ecn: %u, spin: %d; kp: %u, path: %hhu, flags: %u",
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packet_out->po_packno, lsquic_hety2str[packet_out->po_header_type],
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lsquic_enclev2str[ lsquic_packet_out_enc_level(packet_out) ],
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packet_out->po_enc_data_sz,
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/* Frame types is a list of different frames types contained
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* in the packet, no more. Count and order of frames is not
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* printed.
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*/
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lsquic_frame_types_to_str(frames, sizeof(frames),
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packet_out->po_frame_types),
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lsquic_packet_out_ecn(packet_out),
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/* spin bit value is only valid for short packet headers */
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lsquic_packet_out_spin_bit(packet_out),
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lsquic_packet_out_kp(packet_out),
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packet_out->po_path->np_path_id,
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(unsigned) packet_out->po_flags);
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}
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void
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lsquic_ev_log_packet_not_sent (const lsquic_cid_t *cid,
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const struct lsquic_packet_out *packet_out)
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{
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char frames[lsquic_frame_types_str_sz];
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LCID("unsent packet %"PRIu64", size %hu, frame types: %s",
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packet_out->po_packno, packet_out->po_enc_data_sz,
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/* Frame types is a list of different frames types contained in
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* the packet, no more. Count and order of frames is not printed.
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*/
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lsquic_frame_types_to_str(frames, sizeof(frames),
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packet_out->po_frame_types));
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}
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void
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lsquic_ev_log_http_headers_in (const lsquic_cid_t *cid, int is_server,
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const struct uncompressed_headers *uh)
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{
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const struct http1x_headers *h1h;
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const char *cr, *p;
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if (uh->uh_flags & UH_PP)
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LCID("read push promise; stream %"PRIu64", promised stream %"PRIu64,
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uh->uh_stream_id, uh->uh_oth_stream_id);
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else
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LCID("read %s headers; stream: %"PRIu64", depends on stream: %"PRIu64
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", weight: %hu, exclusive: %d, fin: %d",
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is_server ? "request" : "response",
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uh->uh_stream_id, uh->uh_oth_stream_id, uh->uh_weight,
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(int) uh->uh_exclusive, !!(uh->uh_flags & UH_FIN));
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if (uh->uh_flags & UH_H1H)
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{
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h1h = uh->uh_hset;
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for (p = h1h->h1h_buf; p < h1h->h1h_buf + h1h->h1h_size; p = cr + 2)
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{
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cr = strchr(p, '\r');
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if (cr && cr > p)
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LCID(" %.*s", (int) (cr - p), p);
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else
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break;
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}
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}
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}
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void
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lsquic_ev_log_action_stream_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *buf, size_t bufsz,
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const char *what)
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{
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struct stream_frame frame;
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int len;
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len = pf->pf_parse_stream_frame(buf, bufsz, &frame);
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if (len > 0)
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LCID("%s STREAM frame: stream %"PRIu64", offset: %"PRIu64
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", size: %"PRIu16", fin: %d", what, frame.stream_id,
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frame.data_frame.df_offset, frame.data_frame.df_size,
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frame.data_frame.df_fin);
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else
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse STREAM frame");
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}
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void
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lsquic_ev_log_generated_crypto_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *buf, size_t bufsz)
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{
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struct stream_frame frame;
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int len;
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len = pf->pf_parse_crypto_frame(buf, bufsz, &frame);
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if (len > 0)
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LCID("generated CRYPTO frame: offset: %"PRIu64", size: %"PRIu16,
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frame.data_frame.df_offset, frame.data_frame.df_size);
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else
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse CRYPTO frame");
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}
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void
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lsquic_ev_log_generated_ack_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *ack_buf,
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size_t ack_buf_sz)
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{
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struct ack_info acki;
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int len;
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char buf[MAX_ACKI_STR_SZ];
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len = pf->pf_parse_ack_frame(ack_buf, ack_buf_sz, &acki,
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TP_DEF_ACK_DELAY_EXP);
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if (len < 0)
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{
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse ACK frame");
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return;
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}
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lsquic_acki2str(&acki, buf, sizeof(buf));
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LCID("generated ACK frame: %s", buf);
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}
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void
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lsquic_ev_log_generated_new_token_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *frame_buf,
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size_t frame_buf_sz)
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{
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const unsigned char *token;
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size_t sz;
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char *buf;
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int len;
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len = pf->pf_parse_new_token_frame(frame_buf, frame_buf_sz, &token, &sz);
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if (len < 0)
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{
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse NEW_TOKEN frame");
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return;
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}
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buf = malloc(sz * 2 + 1);
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if (buf)
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{
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lsquic_hexstr(token, sz, buf, sz * 2 + 1);
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LCID("generated NEW_TOKEN frame: %s", buf);
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free(buf);
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}
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}
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void
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lsquic_ev_log_generated_path_chal_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *frame_buf,
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size_t frame_buf_sz)
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{
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uint64_t chal;
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int len;
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char hexbuf[sizeof(chal) * 2 + 1];
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len = pf->pf_parse_path_chal_frame(frame_buf, frame_buf_sz, &chal);
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if (len > 0)
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LCID("generated PATH_CHALLENGE(%s) frame",
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HEXSTR((unsigned char *) &chal, sizeof(chal), hexbuf));
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else
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse PATH_CHALLENGE frame");
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}
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void
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lsquic_ev_log_generated_path_resp_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *frame_buf,
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size_t frame_buf_sz)
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{
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uint64_t resp;
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int len;
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char hexbuf[sizeof(resp) * 2 + 1];
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len = pf->pf_parse_path_resp_frame(frame_buf, frame_buf_sz, &resp);
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if (len > 0)
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LCID("generated PATH_RESPONSE(%s) frame",
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HEXSTR((unsigned char *) &resp, sizeof(resp), hexbuf));
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else
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse PATH_RESPONSE frame");
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}
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void
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lsquic_ev_log_generated_new_connection_id_frame (const lsquic_cid_t *cid,
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const struct parse_funcs *pf, const unsigned char *frame_buf,
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size_t frame_buf_sz)
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{
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const unsigned char *token;
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lsquic_cid_t new_cid;
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uint64_t seqno, retire_prior_to;
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int len;
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char token_buf[IQUIC_SRESET_TOKEN_SZ * 2 + 1];
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char cid_buf[MAX_CID_LEN * 2 + 1];
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len = pf->pf_parse_new_conn_id(frame_buf, frame_buf_sz, &seqno,
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&retire_prior_to, &new_cid, &token);
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if (len < 0)
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{
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LSQ_LOG2(LSQ_LOG_WARN, "cannot parse NEW_CONNECTION_ID frame");
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return;
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}
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lsquic_hexstr(new_cid.idbuf, new_cid.len, cid_buf, sizeof(cid_buf));
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lsquic_hexstr(token, IQUIC_SRESET_TOKEN_SZ, token_buf, sizeof(token_buf));
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LCID("generated NEW_CONNECTION_ID frame: seqno: %"PRIu64"; retire prior "
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"to: %"PRIu64"; cid: %s; token: %s", seqno, retire_prior_to,
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cid_buf, token_buf);
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}
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void
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lsquic_ev_log_generated_stop_waiting_frame (const lsquic_cid_t *cid,
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lsquic_packno_t lunack)
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{
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LCID("generated STOP_WAITING frame; least unacked: %"PRIu64, lunack);
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}
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void
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lsquic_ev_log_generated_stop_sending_frame (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id, uint16_t error_code)
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{
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LCID("generated STOP_SENDING frame; stream ID: %"PRIu64"; error code: "
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"%"PRIu16, stream_id, error_code);
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}
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void
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lsquic_ev_log_generated_http_headers (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id,
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int is_server, const struct http_prio_frame *prio_frame,
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const struct lsquic_http_headers *headers)
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{
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lsquic_stream_id_t dep_stream_id;
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int exclusive, i;
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unsigned short weight;
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if (is_server)
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LCID("generated HTTP response HEADERS for stream %"PRIu64, stream_id);
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else
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{
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memcpy(&dep_stream_id, prio_frame->hpf_stream_id, 4);
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dep_stream_id = htonl(dep_stream_id);
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exclusive = dep_stream_id >> 31;
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dep_stream_id &= ~(1 << 31);
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weight = prio_frame->hpf_weight + 1;
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LCID("generated HTTP request HEADERS for stream %"PRIu64
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", dep stream: %"PRIu64", weight: %hu, exclusive: %d", stream_id,
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dep_stream_id, weight, exclusive);
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}
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for (i = 0; i < headers->count; ++i)
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if (headers->headers[i].buf)
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LCID(" %.*s: %.*s",
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(int) headers->headers[i].name_len,
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lsxpack_header_get_name(&headers->headers[i]),
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(int) headers->headers[i].val_len,
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lsxpack_header_get_value(&headers->headers[i]));
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}
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void
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lsquic_ev_log_generated_http_push_promise (const lsquic_cid_t *cid,
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lsquic_stream_id_t stream_id, lsquic_stream_id_t promised_stream_id,
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const struct lsquic_http_headers *headers)
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{
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int i;
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LCID("generated HTTP PUSH_PROMISE for stream %"PRIu64"; promised stream %"
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PRIu64, stream_id, promised_stream_id);
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for (i = 0; i < headers->count; ++i)
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if (headers->headers[i].buf)
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LCID(" %.*s: %.*s",
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(int) headers->headers[i].name_len,
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lsxpack_header_get_name(&headers->headers[i]),
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(int) headers->headers[i].val_len,
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lsxpack_header_get_value(&headers->headers[i]));
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}
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void
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lsquic_ev_log_create_connection (const lsquic_cid_t *cid,
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const struct sockaddr *local_sa,
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const struct sockaddr *peer_sa)
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{
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LCID("connection created");
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}
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void
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lsquic_ev_log_hsk_completed (const lsquic_cid_t *cid)
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{
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LCID("handshake completed");
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}
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void
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lsquic_ev_log_sess_resume (const lsquic_cid_t *cid)
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{
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LCID("sess_resume successful");
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}
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void
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lsquic_ev_log_check_certs (const lsquic_cid_t *cid, const lsquic_str_t **certs,
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size_t count)
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{
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LCID("check certs");
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}
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void
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lsquic_ev_log_cert_chain (const lsquic_cid_t *cid, struct stack_st_X509 *chain)
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{
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X509_NAME *name;
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X509 *cert;
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unsigned i;
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char buf[0x100];
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for (i = 0; i < sk_X509_num(chain); ++i)
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{
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cert = sk_X509_value(chain, i);
|
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name = X509_get_subject_name(cert);
|
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LCID("cert #%u: name: %s", i,
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X509_NAME_oneline(name, buf, sizeof(buf)));
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}
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}
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void
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lsquic_ev_log_version_negotiation (const lsquic_cid_t *cid,
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const char *action, const char *ver)
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{
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LCID("version negotiation: %s version %s", action, ver);
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}
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