1 /* 2 * Copyright (c) 2016-2021, OARC, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * 3. Neither the name of the copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/types.h> 36 37 #include "dump_cds.h" 38 39 #ifndef __dnscap_options_h 40 #define __dnscap_options_h 41 42 typedef enum dump_format dump_format_t; 43 enum dump_format { 44 pcap, 45 cbor, 46 cds 47 }; 48 49 /* clang-format off */ 50 51 #define OPTIONS_T_DEFAULTS { \ 52 1024 * 1024, \ 53 \ 54 1024 * 1024, \ 55 64 * 1024, \ 56 CDS_DEFAULT_MAX_RLABELS, \ 57 CDS_DEFAULT_MIN_RLABEL_SIZE, \ 58 0, \ 59 CDS_DEFAULT_RDATA_INDEX_MIN_SIZE, \ 60 0, \ 61 CDS_DEFAULT_RDATA_RINDEX_SIZE, \ 62 CDS_DEFAULT_RDATA_RINDEX_MIN_SIZE, \ 63 \ 64 pcap, \ 65 \ 66 0, \ 67 0, \ 68 \ 69 0, \ 70 \ 71 0, 0, 0, 0, 0, 0, 0, \ 72 \ 73 0, 0, 0, 0, 0, \ 74 \ 75 0 \ 76 } 77 78 /* clang-format on */ 79 80 typedef struct options options_t; 81 struct options { 82 size_t cbor_chunk_size; 83 84 size_t cds_cbor_size; 85 size_t cds_message_size; 86 size_t cds_max_rlabels; 87 size_t cds_min_rlabel_size; 88 int cds_use_rdata_index; 89 size_t cds_rdata_index_min_size; 90 int cds_use_rdata_rindex; 91 size_t cds_rdata_rindex_size; 92 size_t cds_rdata_rindex_min_size; 93 94 dump_format_t dump_format; 95 96 char* user; 97 char* group; 98 99 size_t pcap_buffer_size; 100 101 int use_layers; 102 int defrag_ipv4; 103 size_t max_ipv4_fragments; 104 size_t max_ipv4_fragments_per_packet; 105 int defrag_ipv6; 106 size_t max_ipv6_fragments; 107 size_t max_ipv6_fragments_per_packet; 108 109 int parse_ongoing_tcp; 110 int allow_reset_tcpstate; 111 int reassemble_tcp; 112 size_t reassemble_tcp_faultreset; 113 int reassemble_tcp_bfbparsedns; 114 115 int bpf_hosts_apply_all; 116 }; 117 118 int option_parse(options_t* options, const char* option); 119 void options_free(options_t* options); 120 121 #endif /* __dnscap_options_h */ 122