ip_is_network: Fix assertion crash when address part was invalid

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

ip_is_valid: Refactor functions

These now check more precisely if a prefix that is given with
an IP address is valid, too

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Correctly end loop when network was invalid

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

ip: Correctly handle non-numeric prefixes

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Allow deleting multiple routes at once

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Validate input when removing static routes

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Log ip commands when writing static routes into the kernel

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Check if the dection of the protocol failed

If the check of the protocol failed we should break.

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: cli parsing failed when a = was forgotten

A command like

  network route add 192.168.101.0/24 --gateway 192.168.101.254

results in network to be set to 192.168.101.254 which is wrong.

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

route: Fix check of network

We can use a single IP address or a network as "network",
so we need tho check if it is a valid IP address or a valid network.

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

ip: Allow detection of protocol for networks, too

This is very convenient when we need to detect the protocol
of a network without splitting off the prefix first.

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

Drop support for SixXS

The project has announced that it will be shut down.

The aiccu technology is not used by anybody else AFAIK
hence we can drop this.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Revert "Only call radvd_update if a zone contains an IPv6."

This reverts commit 6325e3ccbfb73c8ee428b349eacbfc6de19dec47
as requested by the author.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Only call radvd_update if a zone contains an IPv6.

On systems which lacks any IPv6 configured zone, radvd would be
started with an empty configuration file and crashes which will
brick the system startup and results in a frozen system.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ipv4-static: Remove routing information from databases when shutting down a zone.

Otherwise the script will try to use this route again and crash because the address space
is not longer available.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add missing logdir to Makefile.

The logdir has not been created during the "make install" process
and therefore not been shipped yet.

This directory is used to store various databases which contains
data about the zones and routes. They can easily accessed by
the upcomming WUI to display or compute those information.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Fix file name of systemd tmpfile

The tmpfile configuration file had a wrong name (.conf prefix has been missing).

As a result of this, the file was ignored and the containing files and folders
have not been created during boot-up.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Improve MTU handling on bridges

When the MTU of a bridge is changed, device_set_mtu will
now change the MTU of all ports in that bridge, too.

This does not seem to be 100% necessary, but it makes it
clearer and probably avoids some other bugs.

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

device_{get,set}_mtu: Improve speed and logging

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

device_set_{up,down}: Print clear log message

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Make device_set_{up,down} faster and show more debugging information

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Cache system_get_processors()

This function is called quite option and hence we cache
the result to speed up code execution

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Implement using Linux's SMP affinity

This feature is enabled by default and will distribute
interrupt handling across multiple processors which will
(especially on slower hardware) reduce cache access, decrease
latency and quite possibly increase throughput.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

hotplug: Fall through to hotplug events for new devices

Even if a device is plugged in for the first time, we now fall
through to the hotplugging handling

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Allow using locks with a name instead of path

This makes it easier to create a temporary
lock in code without constructing the path of
the lock file first.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Add documentation for DHCP server commands

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Move list-hooks command as sub-command of help

Fixes #11181

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Allow configuring lease times in human-readable format

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Format lease time in human-readable format

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Cleanup some code

Remove any references to the old subnet ID system
and improve argument handling

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Reload after subnet range changes

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Do not accept overlapping subnet ranges

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: dhcpd_subnet_range_new: Make ${range} available throughout function

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Check if subnet range already exists before creating

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Check if range is not negative

If a new range is created, we now check if range is positive
(even for IPv6).

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

IPv4: Fix comparing IP addresses

This function relied on an older function that was removed
some time ago.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

netcalc: Fix comparing IP addresses

Those are stored in big endian

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Show message when subnet range has been created

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Make removing subnet ranges more robust

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Get rid of range IDs

Same as subnet ids. These are more confusing and unhelpful
than handling the entire range in the native IP format.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Make fonts properly bold without changing the colour of the normal font

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

DHCP: Get rid of subnet IDs

It is easier to use the subnet to identify a subnet instead
of an ID. Auto-completion on the shell will help to avoid
much typing and make commands more readable.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

wireless: Validate regulatory domain before setting and saving

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne.fitzenreiter@ipfire.org>

settings: Update DNS configuration only after DNS settings changed

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

settings: Immediately apply wireless reg domain

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

inetcalc: Fix comparing IPv6 addresses

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Revert "Log better errors when locks could not be acquired"

This reverts commit 20c4b654ba9a5027f59d7063b5a364ff0f370bd1.

Log better errors when locks could not be acquired

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Make headlines readable on black background

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Bump version to 008

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

route: Fail cleanly if the protocol cannot be detected

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

docs: Update for recent MTU defaults changes

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Deduplicate some code to show status of a serial modem

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Correctly calculate signal strength

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

wireless: Remove MTU setting

This is unused.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Remove default MTU for PPP client connections

The providers set this on their side and we should not use
any defaults because selecting those is just unfounded and
arbitrary.

Fixes #11071

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Fix coding style

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Show mobile network status even when not connected

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Fix broken AUTH check for default values

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Speed-up chatting to modem

It is not checked any more if the SIM card is unlocked.

That needs to be done on a higher level now and will allow
us to execute the other commands quicker.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Show network registration status

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

modem: Support LTE as connection type

This will now correctly show LTE connections that
were previously "unknown".

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Reviewed-by: Arne Fitzenreiter <arne.fitzenreiter@ipfire.org>

modem: Remove support for login scripts

It seems that no provider requires these any more and
that they cause problems with providers that use username
and password for authentication.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Reviewed-by: Arne Fitzenreiter <arne.fitzenreiter@ipfire.org>

docs: Add man page for wireless zone hook

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

docs: Add man page for modem zone hook

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

docs: Add network-port man page

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

lock: Decrease the number of iterations per second

There have been reports about that this locking mechanism
wasn't too stable on their machines which can totally be
the case judging by the design of it.

However there is no other easy way to implement this any
better without any native C helper which I would like to
avoid at this moment.

So I decreased the amount of ticks which should make
any processes running at the same time less likely to
collide.

Fixes #10979

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Implement identify feature

When executing "network [zone|port|device] XXX identify" the
port, device or all ports of the zone (that support this feature)
will flash for ten seconds.

Ports will also flash when they are attached to or detached from
a zone.

This is supposed to make plugging in a cable into the right
device is easier.

Fixes #10969

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Add a quick start guide

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Document the DNS_SEARCH_DOMAINS setting

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Document WIRELESS_REGULATORY_DOMAIN setting

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: settings: Remove old COLORS setting

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Add link to man page of the "route" command

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

inetcalc: Allow build on 64 bit architectures

inetcalc previously used a GCC extension that was only
available on 64 bit platforms. This patch changes the
code to use struct in6_addr instead of __uint128_t for
storing IP addresses.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Merge branch 'master' of ssh://git.ipfire.org/pub/git/network

Bump version to 007

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

functions.ipv6: Fix doubble square bracket when calling assert

The assert check does not proper work when using doubble square backets,
so the check fails for some unknown reasons. Removing one bracket will allow
to successfully perform the assert check again.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add functionality to identify tun/tap devices

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

radvd: Fix missing function radvd_clear

This function used to clear the configuration file
but was for some reason missing. The new function
has a slightly more descriptive name.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

dhclient-script: Fix wrong funtion call to determine prefix

A wrong function was called to determine the prefix from
the subnet mask.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Replace ipcalc by inetcalc

This is our own implementation of a binary tool that is used
to validate and calculate with IP addresses.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Reviewed-by: Stefan Schantl <stefan.schantl@ipfire.org>

Make configure check for a C compiler

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

wireless: Fix wrong variable name

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Ensure that radvd is started when needed

As this is a router we will need to make sure that the router
advertisement daemon is running at all times for local zones.

This patch will start radvd automatically when ever needed.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Allow renaming zones

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

zone: Automatically bring up all configs after creation

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ipv6-auto: Fix wrong hook function name

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ipv4-dhcp: Show DNS servers

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

pppoe-server: Allow passing DNS servers to the client

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Merge branch 'master' of git://git.ipfire.org/network

dns: Better propagate known DNS servers

dns_servers_update() is a new function that must be called
when ever there are changes to the DNS server configuration.
This may be by the user or by learning new DNS servers from
a dial-up connection, etc.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

pppoe: The remote MAC address should be protocol-independent

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

pppoe: Fix wrong variable name for DNS servers

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

pppoe-server: Enable IPv6

Clients which support IPv6 will now be allocated a link-local
IPv6 address.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Local zones must be named net0, net1, ...

"net" is more generic and makes more sense when being
used with VPNs and other virtual networks which are
not a LOCAL area network ("lan").

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Merge remote-tracking branch 'prime/master'

Merge remote-tracking branch 'ipv6/master'

pppoe-server: Load pppoe kernel module

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>

aiccu: Add helper script that adds routing information to the database

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Makefile: Append to INSTALL_DIRS to silence automake warning

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>