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| -rw-r--r-- | README.md | 42 |
1 files changed, 42 insertions, 0 deletions
@@ -2,3 +2,45 @@ ipaddrcheck =========== An IPv4 and IPv6 validation utility for use in scripts + +Depends on libcidr by Matthew Fuller: http://www.over-yonder.net/~fullermd/projects/libcidr + + Usage: ./ipaddrcheck <OPTIONS> [STRING] + Options: + --is-valid Check if STRING is a valid IPv4 or IPv6 address + with or without prefix length + --is-any-cidr Check if STRING is a valid IPv4 or IPv6 address + with prefix length + --is-any-single Check if STRING is a valid single IPv4 or IPv6 address + --is-any-host Check if STRING is a valid IPv4 or IPv6 host address + --is-any-net Check if STRING is a valid IPv4 or IPv6 network address + --is-ipv4 Check if STRING is a valid IPv4 address with mask + --is-ipv4-cidr Check if STRING is a valid CIDR-formatted address + --is-ipv4-single Check if STRING is a valid single address + (i.e. with no mask) + --is-ipv4-host Check if STRING is a host address + --is-ipv4-net Check if STRING is a network address + --is-ipv4-broadcast Check if STRING is a broadcast address + --is-ipv4-multicast Check if STRING is a multicast address + --is-ipv4-loopback Check if STRING is a loopback address + --is-ipv4-link-local Check if STRING is a link-local address + --is-ipv4-rfc1918 Check if STRING is a private (RFC1918) address + --is-ipv6 Check if STRING is a valid IPv6 address + --is-ipv6-cidr Check if STRING is a CIDR-formatted IPv6 address + --is-ipv6-single Check if STRING is an IPv6 address with no mask + --is-ipv6-host Check if STRING is an IPv6 host address + --is-ipv6-net Check if STRING is an IPv6 network address + --is-ipv6-multicast Check if STRING is an IPv6 multicast address + --is-ipv6-link-local Check if STRING is an IPv6 link-local address + --is-valid-intf-address Check if STRING is an IPv4 or IPv6 address that + can be assigned to a network interface + --allow-loopback When used with --is-valid-intf-address, + makes IPv4 loopback addresses pass the check + --version Print version information and exit + --help Print help message and exit + + Exit codes: + 0 if check passed, + 1 if check failed, + 2 if a problem occured (wrong option, internal error etc.) + |