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md_src_plugins_ipaddr_README(3elektra) Elektra md_src_plugins_ipaddr_README(3elektra)

NAME

md_src_plugins_ipaddr_README - Plugin: ipaddr

  • infos = Information about the ipaddr plugin is in keys below
  • infos/author = Thomas Waser thomas.waser@libelektra.org
  • infos/licence = BSD
  • infos/needs =
  • infos/provides = check
  • infos/recommends =
  • infos/placements = presetstorage
  • infos/status = maintained unittest nodep
  • infos/metadata = check/ipaddr
  • infos/description = Validation for IP addresses

IP Address Validation

Introduction

This plugin validates IP addresses using regular expressions.

Usage

`` <h1>Mountipaddrplugin to cascading namespace/examples/ipaddr` kdb mount config.dump /examples/ipaddr dump ipaddr

Check the validity of the IP stored in /examples/ipaddr/ipv4

kdb setmeta /examples/ipaddr/ipv4 check/ipaddr ipv4

Try to set an incorrect IP address

kdb set /examples/ipaddr/ipv4 127.0.0.1337

STDERR: .*Sorry, the error .#51. occurred.*⏎

Description: value of key is not a valid IP Address⏎

.*

Reason: Validation of key user/examples/ipaddr/ipv4 with value 127.0.0.1337 failed⏎

.*

RET: 5

Set a correct IPv4 address

kdb set /examples/ipaddr/ipv4 127.0.0.1 kdb get /examples/ipaddr/ipv4 #> 127.0.0.1

By default the plugin allows both IPv4 and IPv6 addresses

kdb setmeta /examples/ipaddr/address check/ipaddr ''

Set correct IP addresses

kdb set /examples/ipaddr/address 1.2.3.4 kdb set /examples/ipaddr/address ::1

Try to set incorrect addresses

kdb set /examples/ipaddr/address bad::ip

RET: 5

kdb set /examples/ipaddr/address 1.2.-3.4

RET: 5

Undo modifications to the database

kdb rm -r /examples/ipaddr kdb umount /examples/ipaddr ```

Limitations

The plugin only checks IP addresses for validity. It is not able to resolve hostnames. If you are looking for a plugin that supports hostnames, check out the network plugin.

Mon Jan 15 2018 Version 0.8.20