1 files changed, 121 insertions, 0 deletions
diff --git a/src/options.h b/src/options.h
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--- /dev/null
+++ b/src/options.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2016-2021, OARC, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+
+#include "dump_cds.h"
+
+#ifndef __dnscap_options_h
+#define __dnscap_options_h
+
+typedef enum dump_format dump_format_t;
+enum dump_format {
+    pcap,
+    cbor,
+    cds
+};
+
+/* clang-format off */
+
+#define OPTIONS_T_DEFAULTS { \
+    1024 * 1024, \
+\
+    1024 * 1024, \
+    64 * 1024, \
+    CDS_DEFAULT_MAX_RLABELS, \
+    CDS_DEFAULT_MIN_RLABEL_SIZE, \
+    0, \
+    CDS_DEFAULT_RDATA_INDEX_MIN_SIZE, \
+    0, \
+    CDS_DEFAULT_RDATA_RINDEX_SIZE, \
+    CDS_DEFAULT_RDATA_RINDEX_MIN_SIZE, \
+\
+    pcap, \
+\
+    0, \
+    0, \
+\
+    0, \
+\
+    0, 0, 0, 0, 0, 0, 0, \
+\
+    0, 0, 0, 0, 0, \
+\
+    0 \
+}
+
+/* clang-format on */
+
+typedef struct options options_t;
+struct options {
+    size_t cbor_chunk_size;
+
+    size_t cds_cbor_size;
+    size_t cds_message_size;
+    size_t cds_max_rlabels;
+    size_t cds_min_rlabel_size;
+    int    cds_use_rdata_index;
+    size_t cds_rdata_index_min_size;
+    int    cds_use_rdata_rindex;
+    size_t cds_rdata_rindex_size;
+    size_t cds_rdata_rindex_min_size;
+
+    dump_format_t dump_format;
+
+    char* user;
+    char* group;
+
+    size_t pcap_buffer_size;
+
+    int    use_layers;
+    int    defrag_ipv4;
+    size_t max_ipv4_fragments;
+    size_t max_ipv4_fragments_per_packet;
+    int    defrag_ipv6;
+    size_t max_ipv6_fragments;
+    size_t max_ipv6_fragments_per_packet;
+
+    int    parse_ongoing_tcp;
+    int    allow_reset_tcpstate;
+    int    reassemble_tcp;
+    size_t reassemble_tcp_faultreset;
+    int    reassemble_tcp_bfbparsedns;
+
+    int bpf_hosts_apply_all;
+};
+
+int  option_parse(options_t* options, const char* option);
+void options_free(options_t* options);
+
+#endif /* __dnscap_options_h */