mini_parse.c revision 9a690580 
1/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc.  See LICENSE. */
2/*
3 * Convert from our hexdump format to binary:
4 *
5 * perl -p -ne 's/^[[:xdigit:]]+\s+//;s~  \|.*~~;s/\s+//g;s/([[:xdigit:]]{2})/chr hex$1/ge'
6 */
7
8#include <assert.h>
9#include <stdio.h>
10#include <stdint.h>
11#include <stdlib.h>
12#include <string.h>
13#include <unistd.h>
14
15#include <sys/queue.h>
16#include <sys/types.h>
17#include <sys/stat.h>
18#include <fcntl.h>
19
20#include "lsquic.h"
21#include "lsquic_types.h"
22#include "lsquic_int_types.h"
23#include "lsquic_packet_common.h"
24#include "lsquic_packet_gquic.h"
25#include "lsquic_packet_in.h"
26#include "lsquic_packet_out.h"
27#include "lsquic_mm.h"
28#include "lsquic_hash.h"
29#include "lsquic_conn.h"
30#include "lsquic_rtt.h"
31#include "lsquic_mini_conn.h"
32#include "lsquic_engine_public.h"
33#include "lsquic_util.h"
34#include "lsquic_logger.h"
35#include "lsquic_str.h"
36
37
38int
39lsquic_enc_session_decrypt (void *enc_session_p, enum lsquic_version version,
40           uint8_t path_id, uint64_t pack_num,
41           unsigned char *buf, size_t *header_len, size_t data_len,
42           unsigned char *diversification_nonce,
43           unsigned char *buf_out, size_t max_out_len, size_t *out_len)
44{
45    memcpy(buf_out, buf, *header_len + data_len);
46    *out_len = data_len;
47    return 0;
48}
49
50
51int
52main (int argc, char **argv)
53{
54    int opt;
55    int fd = STDIN_FILENO;
56    struct lsquic_engine_public enpub;
57    struct lsquic_conn *lconn;
58    lsquic_packet_in_t packet_in;
59    unsigned char buf[0x1000];
60    ssize_t packet_sz;
61    enum lsquic_version ver = LSQVER_043;
62
63    memset(&enpub, 0, sizeof(enpub));
64    lsquic_mm_init(&enpub.enp_mm);
65
66    lsquic_log_to_fstream(stderr, 0);
67    lsq_log_levels[LSQLM_MINI_CONN] = LSQ_LOG_DEBUG;
68    lsq_log_levels[LSQLM_NOMODULE]  = LSQ_LOG_DEBUG;
69
70    while (-1 != (opt = getopt(argc, argv, "v:f:h")))
71    {
72        switch (opt)
73        {
74        case 'v':
75            ver = atoi(optarg);
76            break;
77        case 'f':
78            fd = open(optarg, O_RDONLY);
79            if (fd < 0)
80            {
81                perror("open");
82                exit(EXIT_FAILURE);
83            }
84            break;
85        case 'h':
86            fprintf(stderr, "usage: %s [-v version] [-f input-file]\n", argv[0]);
87            exit(EXIT_SUCCESS);
88        default:
89            exit(EXIT_FAILURE);
90        }
91    }
92
93    packet_sz = read(fd, buf, sizeof(buf));
94    if (packet_sz < 0)
95    {
96        perror("read");
97        exit(EXIT_FAILURE);
98    }
99
100    memset(&packet_in, 0, sizeof(packet_in));
101    packet_in.pi_packno = 1;
102    packet_in.pi_header_sz = 0;
103    packet_in.pi_data_sz = packet_sz;
104    packet_in.pi_data = buf;
105    packet_in.pi_refcnt = 1;
106
107    lconn = lsquic_mini_conn_new(&enpub, &packet_in, ver);
108    lconn->cn_if->ci_packet_in(lconn, &packet_in);
109
110    exit(EXIT_SUCCESS);
111}
112