73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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massip-parse
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This module parses IPv4 and IPv6 addresses.
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It's not a typical parser. It's optimized around parsing large
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files containing millions of addresses and ranges using a
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"state-machine parser".
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*/
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#ifndef MASSIP_PARSE_H
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#define MASSIP_PARSE_H
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#include "massip-addr.h"
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struct MassIP;
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struct Range;
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struct Range6;
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/**
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* Parse a file, extracting all the IPv4 and IPv6 addresses and ranges.
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* This is optimized for speed, handling millions of entries in under
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* a second. This is especially tuned for IPv6 addresses, as while IPv4
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* scanning is mostly done with target rnages, IPv6 scanning is mostly
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* done with huge lists of target addresses.
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* @param filename
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* The name of the file that we'll open, parse, and close.
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* @param targets_ipv4
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* The list of IPv4 targets that we append any IPv4 addresses to.
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* @param targets_ipv6
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* The list of IPv6 targets that we append any IPv6 addresses/ranges to.
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* @return
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0 on success, any other number on failure.
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*/
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int
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massip_parse_file(struct MassIP *massip, const char *filename);
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enum RangeParseResult {
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Bad_Address,
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Ipv4_Address=4,
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Ipv6_Address=6,
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};
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/**
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* Parse the next IPv4/IPv6 range from a string. This is called
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* when parsing strings from the command-line.
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*/
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enum RangeParseResult
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massip_parse_range(const char *line, size_t *inout_offset, size_t max, struct Range *ipv4, struct Range6 *ipv6);
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/**
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* Parse a single IPv6 address. This is called when working with
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* the operating system stack, when querying addresses from
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* the local network adapters.
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*/
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ipv6address_t
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massip_parse_ipv6(const char *buf);
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ipv4address_t
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massip_parse_ipv4(const char *buf);
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/**
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* Do a simplistic unit test of the parser.
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* @return 0 on success, 1 on failure
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*/
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int
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massip_parse_selftest(void);
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#endif
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