51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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/*
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* Copyright 2021 Regents of the University of Michigan
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdint.h>
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#ifndef BLACKLIST_H
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#define BLACKLIST_H
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typedef struct bl_cidr_node {
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uint32_t ip_address;
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int prefix_len;
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struct bl_cidr_node *next;
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} bl_cidr_node_t;
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uint32_t blocklist_lookup_index(uint64_t index);
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int blocklist_is_allowed(uint32_t s_addr);
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void blocklist_prefix(char *ip, int prefix_len);
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void allowlist_prefix(char *ip, int prefix_len);
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int blocklist_init(char *allowlist, char *blocklist, char **allowlist_entries,
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size_t allowlist_entries_len, char **blocklist_entries,
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size_t blocklist_entries_len, int ignore_invalid_hosts);
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uint64_t blocklist_count_allowed(void);
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uint64_t blocklist_count_not_allowed(void);
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uint32_t blocklist_ip_to_index(uint32_t ip);
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bl_cidr_node_t *get_blocklisted_cidrs(void);
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bl_cidr_node_t *get_allowlisted_cidrs(void);
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#endif
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