File ripcalc-0.1.12.obscpio of Package ripcalc

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File ripcalc-0.1.12.obscpio of Package ripcalc

07070100000000000081A4000000000000000000000001669041F60000014D000000000000000000000000000000000000001E00000000ripcalc-0.1.12/.gitlab-ci.ymlimage: "rust:latest"

before_script:
    - apt-get update -yqq
    - apt-get install -yqq --no-install-recommends build-essential pandoc

# Use cargo to test the project
test:cargo:
  script: |
    rustc --version && cargo --version # Print version info for debugging
    cargo test --workspace --verbose
    make all # run bintests
07070100000001000081A4000000000000000000000001669041F600001193000000000000000000000000000000000000001A00000000ripcalc-0.1.12/Cargo.lock# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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07070100000002000081A4000000000000000000000001669041F600000299000000000000000000000000000000000000001A00000000ripcalc-0.1.12/Cargo.toml[package]
name = "ripcalc"
description = "ripcalc, format and lookup IP addresses"
version = "0.1.12"
authors = ["ed neville <ed@s5h.net>"]
edition = "2018"
license = "GPL-3.0-or-later"
homepage = "https://www.usenix.org.uk/content/ripcalc.html"
repository = "https://gitlab.com/edneville/ripcalc"
readme = "README.md"
categories = ["command-line-utilities"]
documentation = "https://www.usenix.org.uk/content/ripcalc.html"
keywords = ["ip","network","csv"]

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
getopts = "0.2"
csv = "1"
nix = { version = ">= 0.27", features = ["signal", "net", "fs" ] }
07070100000003000081A4000000000000000000000001669041F6000088CE000000000000000000000000000000000000001700000000ripcalc-0.1.12/LICENSE                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

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    along with this program.  If not, see <https://www.gnu.org/licenses/>.

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notice like this when it starts in an interactive mode:

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07070100000004000081A4000000000000000000000001669041F600001272000000000000000000000000000000000000001800000000ripcalc-0.1.12/Makefile# vim:set noet:
NAME := ripcalc
DOC := $(NAME)
VERSION := $(shell grep ^version Cargo.toml | sed -e 's/.* = "//g;s/"$$//g' )
MDDATE := $(shell find ripcalc.md -printf "%Td %TB %TY\n" )
RELEASE := ./target/release/ripcalc

all: build test bintest doc

build:
	cargo build --release

doc:
	( cat $(DOC).md | sed -e 's/^footer: .*$$/footer: $(NAME) $(VERSION)/g' -e 's/^date:.*/date: $(MDDATE)/g' ) > $(DOC).md.tmp && mv $(DOC).md.tmp $(DOC).md
	cat $(DOC).md | sed -e 's,$[^ `-]$--$[a-zA-Z]$,\1\\--\2,g' -e '/^|/s/\\n/\\\\n/g' -e '/^|/s/\\t/\\\\t/g' > $(DOC).man.md
	pandoc --standalone --ascii --to man $(DOC).man.md -o $(DOC).1
	rm $(DOC).man.md

test:
	cargo test

install: all
	command -v please && please install -m 0755 -s $(RELEASE) /usr/local/bin || sudo install -m 0755 -s $(RELEASE) /usr/local/bin

07070100000005000081A4000000000000000000000001669041F600001A32000000000000000000000000000000000000001900000000ripcalc-0.1.12/README.md# ripcalc

Calculate or lookup network addresses.

# install

```
$ git clone 'https://gitlab.com/edneville/ripcalc.git'
$ cd ripcalc \
  && cargo build --release \
  && please install -m 0755 -s target/release/ripcalc /usr/local/bin
```

# usage

Ripcalc allows networks to be provided by argument

```
$ ripcalc 127.0.0.1/8
IP is: 127.0.0.1/8
Broadcast is: 127.255.255.255
Network is: 127.0.0.0
Subnet is: 255.0.0.0
Wildcard is: 0.255.255.255
Network size: 16777216
```

The same output is visible with stdin:

```
echo '127.0.0.1/8' | ripcalc
...
```

The output format can be customised:

```
$ ripcalc 2001:ba8:1f1:f1cb::4/64 --format "select * from IP6 where (ip >= %ln and ip <= %lb) and active = 1;\nupdate IP6 set active = 0 where (ip >= %ln and ip <= %lb) and active = 1;"
select * from IP6 where (ip >= 42540724579414763292693624807812497408 and ip <= 42540724579414763311140368881522049023) and active = 1;
update IP6 set active = 0 where (ip >= 42540724579414763292693624807812497408 and ip <= 42540724579414763311140368881522049023) and active = 1;
```

# pipes

Sometimes if you want to quickly see if an address is part of a group of networks you can set something like this in your `.bash_aliases`:

```
alias is_our_networks='ripcalc --inside 192.168.0.0/16 --format short'
```

With this alias it would then be possible to do something like this to quickly see if the domain uses your infrastructure:

```
dig +short domain.com | is_our_networks
```

# formatting

*%* denotes a format control character, followed by one of the following:

| placeholder | effect |
|-------------|--------|
| %a          | IP address string |
| %n          | Network address string |
| %s          | Subnet address string |
| %w          | Wildcard address string |
| %b          | Broadcast address string |

Additional characters prefixing the above placeholder can control the representation:

| placeholder | effect |
|-------------|--------|
| %B          | Binary address string |
| %S          | Split binary at network boundary string |
| %l          | Unsigned integer string |
| %L          | Signed integer string |
| %x          | Hex address string |

Other format characters:

| placeholder | effect |
|-------------|--------|
| %c          | CIDR mask |
| %t          | Network size |
| %r          | Network reservation information (if available) |
| %d          | Matching device interface by IP |
| %m          | Matching media link interface by network |
| %k          | RBL-style format |
| %%          | % |
| \n          | Line break |
| \t          | Tab character |

For example:

```
$ ripcalc --format '%k.all.s5h.net\n' 192.168.1.2
2.1.168.192.all.s5h.net
```

With a csv it can find networks that an IP address is within, use `%{field}` to print matches:

```
$ cat nets.csv
network,range,owner
rfc1918,192.168.0.0/16,bob
rfc1918,172.16.0.0/12,cliff
rfc1918,10.0.0.0/8,mr nobody
$ ripcalc --csv nets.csv -i range --format '%{owner}\n' 192.168.0.0
bob
```

Addresses can be read via file or from stdin (-):

```
$ cat list
127.0.0.1/28
10.0.0.1/28
192.168.1.1/30
172.18.1.1/30
10.0.0.0/30
$ ripcalc --csv nets.csv -i range --format '%{range} %{owner}\n' -s list
10.0.0.0/8 mr nobody
192.168.0.0/16 bob
172.16.0.0/12 cliff
10.0.0.0/8 mr nobody
```

When `-a` is used, addresses read from `-s` will not be shown when listing `-l` a network, showing only available addresses.

When `-e` is used with `-s` the smallest encapsulating network will be returned.

Given a list of IP addresses, print only those that match the network. When `s` and `inside` are used, only addresses from `-s` are printed if they are that are inside of the IP source network on the command line. This can be inverted with `--outside:

```
$ echo -e '192.168.0.0\n192.167.255.255\n' | ripcalc -s - --inside 192.168.0.0/16 --format short
192.168.0.0
$ echo -e '192.168.0.0\n192.167.255.255\n' | ripcalc -s - --outside 192.168.0.0/16 --format short
192.167.255.255
```

IP addresses can be treated as reversed, if `/proc/net/route` holds addresses in reversed format, `--reverse inputs` and `--base 16` could be used together to convert to dotted-quad.

# within networks

Is a domain wihtin a list of subnets? For example, in this part of the globe cloudflare.com was being served from their published list of networks:

```
echo http://cloudflare.com | ripcalc --inside 173.245.48.0/20 103.21.244.0/22 \
    103.22.200.0/22 103.31.4.0/22 141.101.64.0/18 108.162.192.0/18 \
    190.93.240.0/20 188.114.96.0/20 197.234.240.0/22 198.41.128.0/17 \
    162.158.0.0/15 104.16.0.0/13 104.24.0.0/14 172.64.0.0/13 \
    131.0.72.0/22 --format short
104.16.133.229
```

How many addresses is all that in total?

```
ripcalc 173.245.48.0/20 103.21.244.0/22 103.22.200.0/22 103.31.4.0/22 \
    141.101.64.0/18 108.162.192.0/18 190.93.240.0/20 188.114.96.0/20 \
    197.234.240.0/22 198.41.128.0/17 162.158.0.0/15 104.16.0.0/13 \
    104.24.0.0/14 172.64.0.0/13 131.0.72.0/22 --format '%t\n' \
    | paste -sd+ \
    | bc -l
1524736
```

If you need to manage a lot of IP addresses this could be helpful to you.

# divide

Networks can be divided into subnets:

```
$ ripcalc 192.168.1.10/24 --divide 26 --format cidr
192.168.1.0/26
192.168.1.64/26
192.168.1.128/26
192.168.1.192/26
```

# quickly block the encapsulating network

Suppose a large flood of requests are from a network pattern, to preserve service you may want to block the whole network that encapsulates a list:

```
please ip route add blackhole `ripcalc -e 192.168.56.10 192.168.57.1 192.168.44.47`
```

# help

```
Options:
    -4, --ipv4 IPv4     ipv4 address
    -6, --ipv6 IPv6     ipv6 address
    -a, --available     display unused addresses
    -b, --base INTEGER  ipv4 base format, default to oct
    -c, --csv PATH      csv reference file
    -d, --divide CIDR   divide network into chunks
        --noexpand      do not expand networks in list
    -e, --encapsulating
                        display encapsulating network from arguments or lookup
                        list
    -f, --format STRING format output
                        'cidr' expands to %a/%c\n
                        'short' expands to %a\n
                        See manual for more options
    -h, --help          display help
    -i, --field FIELD   csv field
    -l, --list          list all addresses in network
        --outside       display when extremities are outside network
        --inside        display when extremities are inside network
    -m, --mask CIDR     cidr mask
    -r, --reverse       (none, inputs, sources or both) v4 octets, v6 hex
    -s, --file PATH     lookup addresses from, - for stdin
    -v, --version       print version
```

07070100000006000081A4000000000000000000000001669041F600000368000000000000000000000000000000000000001C00000000ripcalc-0.1.12/changelog.md0.1.12

* now builds on macos #1, thanks @sander_maijers
 * trim space around input
 * when using --inside or --outside if no input networks match, then exit 1

0.1.11

* new option --noexpand to not expand input networks in list context

0.1.10

* When reading from file/stdin, --inside and --outside control printing of
   input addresses against lookup network. e.g. ripcalc --file - --inside
   192.168.0.0/16 only prints stdin addresses that are within 192.168.0.0/16
 * When --reverse is given, input/source/both can be assumed to be
   back-to-front
 * When stdin and args are given in --list context, both are processed
 * When --list is used and stdin has content, but --file - isn't present, it
   is assumed as wanted and will behave as if it was told to read from stdin
 * When --divide CIDR is used, the network will be divided into CIDR width
   subnets

07070100000007000081A4000000000000000000000001669041F6000011D0000000000000000000000000000000000000001900000000ripcalc-0.1.12/ripcalc.1'\" t
.\" Automatically generated by Pandoc 2.17.1.1
.\"
.\" Define V font for inline verbatim, using C font in formats
.\" that render this, and otherwise B font.
.ie "\f[CB]x\f[]"x" \{\
. ftr V B
. ftr VI BI
. ftr VB B
. ftr VBI BI
.\}
.el \{\
. ftr V CR
. ftr VI CI
. ftr VB CB
. ftr VBI CBI
.\}
.TH "ripcalc" "1" "11 July 2024" "ripcalc 0.1.12" "User Manual"
.hy
.SH NAME
.PP
ripcalc - a tool for network addresses
.SH SYNOPSIS
.PP
\f[B]ripcalc 127.0.0.1\f[R]
.PP
\f[B]ripcalc -4/--ipv4 127.0.0.1\f[R]
.PP
\f[B]ripcalc -6/--ipv6 ::1\f[R]
.PP
\f[B]ripcalc -f/--format \[lq]%a/%c\[rq] 127.0.0.1\f[R]
.PP
\f[B]ripcalc -m/--mask 28 127.0.0.1\f[R]
.PP
\f[B]ripcalc -c/--csv path/to/csv [-i/--field network] 127.0.0.1\f[R]
.PP
\f[B]ripcalc -l/--list 127.0.0.1\f[R]
.PP
\f[B]ripcalc -a/--available\f[R]
.PP
\f[B]ripcalc -s/--file [-] 127.0.0.1\f[R]
.PP
\f[B]ripcalc -e/--encapsulating [-s/--file name]\f[R]
.PP
\f[B]ripcalc -s/--file name [--inside/--outside] 127.0.0.1\f[R]
.PP
\f[B]ripcalc -b/--base [8, 10, 16 etc]\f[R]
.PP
\f[B]ripcalc -d/--divide [CIDR] 127.0.0.1/24\f[R]
.PP
\f[B]ripcalc -h/--help\f[R]
.SH DESCRIPTION
.PP
\f[B]ripcalc\f[R] can read IPv4/IPv6 addresses from command line or
standard input and output different formats or associated networks from
\f[B]CSV\f[R].
.PP
\f[B]ripcalc\f[R] can format network addresses, find matches in
\f[B]CSV\f[R] or process a list.
.PP
\f[B]ripcalc\f[R] can convert input addresses that are in other number
formats such as hex or octal.
.PP
Given a list of IP addresses, print only those that match the network.
When \f[V]s\f[R] and \f[V]inside\f[R] are used, only addresses from
\f[V]-s\f[R] are printed if they are that are inside of the input IP
network from the command line.
This can be reversed with \f[V]--outside\f[R],
(e.g.\ \f[V]ripcalc -s - --inside 192.168.0.0/16\f[R]).
.PP
When \f[V]-a\f[R] is used, addresses read from \f[V]-s\f[R] will not be
shown when listing \f[V]-l\f[R] a network, showing only available
addresses.
.PP
When \f[V]--reverse\f[R] is used the \f[V]inputs\f[R], \f[V]sources\f[R]
or both can be treated as back-to-front.
.PP
\f[B]ripcalc\f[R] can return a list of subnets when a network is
provided along with the \f[B]divide\f[R] argument and a subnet CIDR
mask.
.PP
When \f[V]--encapsulating\f[R] is used the containing network will be
returned.
.SH CSV
.PP
Network matches can be returned from a \f[B]CSV\f[R].
.IP
.nf
\f[C]
$ cat nets.csv
network,range,owner
rfc1918,192.168.0.0/16,bob
rfc1918,172.16.0.0/12,cliff
rfc1918,10.0.0.0/8,mr nobody
$ ripcalc --csv nets.csv -i range --format \[aq]%{owner}\[rs]n\[aq] 192.168.0.0
bob
\f[R]
.fi
.PP
Addresses can be read via file or from stdin (-):
.IP
.nf
\f[C]
$ cat list
127.0.0.1/28
10.0.0.1/28
192.168.1.1/30
172.18.1.1/30
10.0.0.0/30
$ ripcalc --csv nets.csv -i range --format \[aq]%{range} %{owner}\[rs]n\[aq] -s list
10.0.0.0/8 mr nobody
192.168.0.0/16 bob
172.16.0.0/12 cliff
10.0.0.0/8 mr nobody
\f[R]
.fi
.SH FORMAT
.PP
\f[B]%\f[R] denotes a format control character, followed by one of the
following:
.PP
.TS
tab(@);
l l.
T{
placeholder
T}@T{
effect
T}
_
T{
%a
T}@T{
IP address string
T}
T{
%n
T}@T{
Network address string
T}
T{
%s
T}@T{
Subnet address string
T}
T{
%w
T}@T{
Wildcard address string
T}
T{
%b
T}@T{
Broadcast address string
T}
.TE
.PP
Additional characters prefixing the above placeholder can control the
representation:
.PP
.TS
tab(@);
l l.
T{
placeholder
T}@T{
effect
T}
_
T{
%B
T}@T{
Binary address string
T}
T{
%S
T}@T{
Split binary at network boundary string
T}
T{
%l
T}@T{
Unsigned integer string
T}
T{
%L
T}@T{
Signed integer string
T}
T{
%x
T}@T{
Hex address string
T}
.TE
.PP
Other format characters:
.PP
.TS
tab(@);
l l.
T{
placeholder
T}@T{
effect
T}
_
T{
%c
T}@T{
CIDR mask
T}
T{
%t
T}@T{
Network size
T}
T{
%r
T}@T{
Network reservation information (if available)
T}
T{
%d
T}@T{
Matching device interface by IP
T}
T{
%m
T}@T{
Matching media link interface by network
T}
T{
%k
T}@T{
RBL-style format
T}
T{
%%
T}@T{
%
T}
T{
\[rs]n
T}@T{
Line break
T}
T{
\[rs]t
T}@T{
Tab character
T}
.TE
.PP
\f[B]%xa\f[R] gives the address in hex, or \f[B]%Sa\f[R] to return the
binary address, split at the network boundary.
.PP
When using \f[B]CSV\f[R] fields can be matched by \f[B]name\f[R] when
network matched:
.IP
.nf
\f[C]
--format \[aq]%{name}\[aq]
\f[R]
.fi
.SS inside/outside
.PP
When \f[V]--inside\f[R] or \f[V]--outside\f[R] are given addresses that
match \f[V]--file\f[R] are printed.
If no matches are found \f[V]ripcalc\f[R] will exit non-zero.
.SH AUTHORS
Ed Neville (ed-ripcalc\[at]s5h.net).
07070100000008000081A4000000000000000000000001669041F600000F33000000000000000000000000000000000000001A00000000ripcalc-0.1.12/ripcalc.md---
title: ripcalc
section: 1
header: User Manual
footer: ripcalc 0.1.12
author: Ed Neville (ed-ripcalc@s5h.net)
date: 11 July 2024
---

# NAME

ripcalc - a tool for network addresses

# SYNOPSIS

**ripcalc 127.0.0.1**

**ripcalc -4/--ipv4 127.0.0.1**

**ripcalc -6/--ipv6 ::1**

**ripcalc -f/--format "%a/%c\n" 127.0.0.1**

**ripcalc -m/--mask 28 127.0.0.1**

**ripcalc -c/--csv path/to/csv [-i/--field network] 127.0.0.1**

**ripcalc -l/--list 127.0.0.1**

**ripcalc -a/--available**

**ripcalc -s/--file [-] 127.0.0.1**

**ripcalc -e/--encapsulating [-s/--file name]**

**ripcalc -s/--file name [--inside/--outside] 127.0.0.1**

**ripcalc -b/--base [8, 10, 16 etc]**

**ripcalc -d/--divide [CIDR] 127.0.0.1/24**

**ripcalc -h/--help**

# DESCRIPTION

**ripcalc** can read IPv4/IPv6 addresses from command line or standard input and output different formats or associated networks from **CSV**.

**ripcalc** can format network addresses, find matches in **CSV** or process a list.

**ripcalc** can convert input addresses that are in other number formats such as hex or octal.

Given a list of IP addresses, print only those that match the network. When `s` and `inside` are used, only addresses from `-s` are printed if they are that are inside of the input IP network from the command line. This can be reversed with `--outside`, (e.g. `ripcalc -s - --inside 192.168.0.0/16`).

When `-a` is used, addresses read from `-s` will not be shown when listing `-l` a network, showing only available addresses.

When `--reverse` is used the `inputs`, `sources` or both can be treated as back-to-front.

**ripcalc** can return a list of subnets when a network is provided along with the **divide** argument and a subnet CIDR mask.

When `--encapsulating` is used the containing network will be returned.

# CSV

Network matches can be returned from a **CSV**.

$ cat nets.csv
    network,range,owner
    rfc1918,192.168.0.0/16,bob
    rfc1918,172.16.0.0/12,cliff
    rfc1918,10.0.0.0/8,mr nobody
    $ ripcalc --csv nets.csv -i range --format '%{owner}\n' 192.168.0.0
    bob

Addresses can be read via file or from stdin (-):

$ cat list
    127.0.0.1/28
    10.0.0.1/28
    192.168.1.1/30
    172.18.1.1/30
    10.0.0.0/30
    $ ripcalc --csv nets.csv -i range --format '%{range} %{owner}\n' -s list
    10.0.0.0/8 mr nobody
    192.168.0.0/16 bob
    172.16.0.0/12 cliff
    10.0.0.0/8 mr nobody

# FORMAT

**%** denotes a format control character, followed by one of the following:

Additional characters prefixing the above placeholder can control the representation:

Other format characters:

**%xa** gives the address in hex, or **%Sa** to return the binary address, split at the network boundary.

When using **CSV** fields can be matched by **name** when network matched:

--format '%{name}'

## inside/outside

When `--inside` or `--outside` are given addresses that match `--file` are printed. If no matches are found `ripcalc` will exit non-zero.

07070100000009000041ED000000000000000000000002669041F600000000000000000000000000000000000000000000001300000000ripcalc-0.1.12/src0707010000000A000081A4000000000000000000000001669041F60000923B000000000000000000000000000000000000001A00000000ripcalc-0.1.12/src/lib.rsuse nix::ifaddrs::*;
use nix::sys::socket::AddressFamily;
use nix::sys::socket::SockaddrLike;
use nix::sys::socket::SockaddrStorage;
use nix::sys::stat::fstat;
use nix::sys::stat::SFlag;
use std::collections::HashMap;
use std::fmt;
use std::net::Ipv4Addr;
use std::net::Ipv6Addr;
use std::net::ToSocketAddrs;
use std::os::unix::io::RawFd;
use std::str::FromStr;

#[derive(Debug, PartialEq, PartialOrd, Hash, Eq, Clone)]
pub enum Addr {
    V6(Ipv6Addr),
    V4(Ipv4Addr),
}

#[derive(Debug, PartialEq, PartialOrd, Hash, Eq, Clone)]
pub struct Ip {
    pub address: Addr,
    pub cidr: u32,
}

pub struct NetRow {
    pub row: HashMap<String, String>,
}

pub enum FormatMode {
    Text,
    Binary,
    SplitBinary,
    Integer,
    SignedInteger,
    Hex,
    Backslash,
}

pub enum FormatProcessor {
    Percent,
    Backslash,
    None,
}

pub enum Reverse {
    None,
    Input,
    Source,
    Both,
}

impl Ip {
    fn num_representation(&self) -> String {
        match self.address {
            Addr::V4(x) => u32::from(x).to_string(),
            Addr::V6(x) => u128::from(x).to_string(),
        }
    }
    fn signed_num_representation(&self) -> String {
        match self.address {
            Addr::V4(x) => {
                let n = u32::from(x) as i32;
                n.to_string()
            }
            Addr::V6(x) => {
                let n = u128::from(x) as i128;
                n.to_string()
            }
        }
    }
    fn bin_representation(&self) -> String {
        match self.address {
            Addr::V4(x) => format!("{:032b}", u32::from(x)),
            Addr::V6(x) => format!("{:0128b}", u128::from(x)),
        }
    }
    fn bin_split_representation(&self) -> String {
        let mut s = match self.address {
            Addr::V4(x) => format!("{:032b}", u32::from(x)),
            Addr::V6(x) => format!("{:0128b}", u128::from(x)),
        };
        s.insert(self.cidr as usize, ' ');
        s
    }
    fn hex_quad_representation(&self) -> String {
        match self.address {
            Addr::V4(x) => {
                let mut s: String = "".to_string();
                let octet = x.octets();
                for o in &octet {
                    s.push_str(&format!("{:02x}", o));
                }
                s.to_string()
            }
            Addr::V6(x) => {
                let mut s: String = "".to_string();
                let octet = x.octets();
                for (i, o) in octet.iter().enumerate() {
                    s.push_str(&format!("{:02x}", o));
                    if i % 2 == 1 && i != 15 {
                        s.push(':');
                    }
                }
                s.to_string()
            }
        }
    }
}

pub fn parse_mask(mask: &str) -> Option<u32> {
    match mask.parse::<u32>() {
        Ok(n) => Some(n),
        Err(_) => None,
    }
}

pub fn parse_v6(address: &str, input_base: Option<i32>, reverse: bool) -> Option<Addr> {
    match input_base {
        Some(base) => Some(Addr::V6(Ipv6Addr::from(
            match u128::from_str_radix(address, base as u32) {
                Ok(y) => y,
                Err(e) => {
                    eprintln!("cannot convert {}: {}", address, e);
                    return None;
                }
            },
        ))),
        None => match Ipv6Addr::from_str(address) {
            Ok(mut i) => {
                if reverse {
                    let mut j = i.octets();
                    j.reverse();
                    for i in &mut j {
                        *i = ((*i & 0x0f) << 4) | (*i & 0xf0) >> 4;
                    }

i = Ipv6Addr::from(j);
                }
                Some(Addr::V6(i))
            }
            Err(_) => None,
        },
    }
}

pub fn parse_v4(address: &str, input_base: Option<i32>, reverse: bool) -> Option<Addr> {
    match input_base {
        Some(base) => {
            let mut address = address;
            let mut arr: Vec<&str>;
            let a;
            if reverse && address.find('.').is_some() {
                arr = address.split('.').collect();
                arr.reverse();
                a = arr.join(".");
                address = &a;
            }

if address.find('.').is_none()
                && !reverse
                && input_base.is_some()
                && input_base.unwrap() != 16
            {
                return Some(Addr::V4(Ipv4Addr::from(
                    match u32::from_str_radix(address, base as u32) {
                        Ok(y) => y,
                        Err(e) => {
                            eprintln!("cannot convert {}: {}", address, e);
                            return None;
                        }
                    },
                )));
            }

let parts: Vec<String>;
            let chars: Vec<char>;

let split = if address.find('.').is_none() {
                chars = address.chars().collect();

chars
                    .chunks(2)
                    .map(|c| c.iter().collect::<String>())
                    .collect::<Vec<_>>()
            } else {
                parts = address.split('.').map(|s| s.to_string()).collect();
                parts
            };

let mut arr: [u8; 4] = [0, 0, 0, 0];

for (x, y) in split.iter().enumerate() {
                arr[x] = match u8::from_str_radix(y, base as u32) {
                    Ok(y) => y,
                    Err(e) => {
                        println!("cannot convert {}: {}", y, e);
                        return None;
                    }
                }
            }

if reverse {
                arr.reverse();
            }

Some(Addr::V4(Ipv4Addr::from(arr)))
        }
        None => match Ipv4Addr::from_str(address) {
            Ok(mut i) => {
                if reverse {
                    let mut j = i.octets();
                    j.reverse();
                    i = Ipv4Addr::from(j);
                }
                Some(Addr::V4(i))
            }
            Err(_) => None,
        },
    }
}

pub fn parse_v4_v6(address: &str, input_base: Option<i32>, reverse: bool) -> Option<Addr> {
    if address.find(':').is_some() || (address.len() > 20 && input_base.is_some()) {
        return parse_v6(address, input_base, reverse);
    }

parse_v4(address, input_base, reverse)
}

pub fn parse_address_mask(
    a: &str,
    default_v4_mask: Option<u32>,
    default_v6_mask: Option<u32>,
    input_base: Option<i32>,
    reverse: bool,
) -> Option<Ip> {
    let parts: Vec<&str> = a.split('/').collect();

let mut arg = parts[0];

let mut input_mask: Option<u32> = None;
    if parts.len() > 1 {
        if let Some(m) = parse_mask(parts[1]) {
            input_mask = Some(m);
        }
    };

let input_ip = parse_v4_v6(arg, input_base, reverse);

if let Some(input_ip) = input_ip {
        return Some(Ip {
            address: input_ip.clone(),
            cidr: match input_ip {
                Addr::V4(_) => input_mask.unwrap_or_else(|| default_v4_mask.unwrap_or(24)),
                Addr::V6(_) => input_mask.unwrap_or_else(|| default_v6_mask.unwrap_or(64)),
            },
        });
    }

for p in ["https://", "http://", "ftp://", "sftp://", "ftps://"] {
        if a.starts_with(p) {
            let v: Vec<&str> = a.split('/').collect();
            arg = v[2];
            break;
        }
    }

let addrs_iter = format!("{}:443", arg).to_socket_addrs();
    let mut buffer: String;

if let Ok(mut address) = addrs_iter {
        buffer = format!("{}", address.next().unwrap());
        let v: Vec<&str> = buffer.split(':').collect();
        buffer = v[0].to_string();
        arg = buffer.as_str();
    }

let input_ip = parse_v4_v6(arg, input_base, reverse);

if let Some(input_ip) = input_ip {
        return Some(Ip {
            address: input_ip.clone(),
            cidr: match input_ip {
                Addr::V4(_) => input_mask.unwrap_or(24),
                Addr::V6(_) => input_mask.unwrap_or(64),
            },
        });
    }

None
}

pub fn addresses<'a>(
    ip: &'a Ip,
    used: Option<&'a HashMap<Addr, bool>>,
    mask: Option<u32>,
) -> impl std::iter::Iterator<Item = Ip> + 'a {
    let b = broadcast(ip);
    let mut net = network(ip);

std::iter::from_fn(move || {
        if let Addr::V4(mut x) = net.address {
            if let Addr::V4(y) = b.address {
                let adder = match mask {
                    Some(x) => {
                        net.cidr = x;
                        let base: u32 = 2;
                        base.pow(32 - x)
                    }
                    None => 1,
                };
                while u32::from(x) <= u32::from(y) {
                    net = Ip {
                        address: Addr::V4(Ipv4Addr::from(u32::from(x) + adder)),
                        cidr: net.cidr,
                    };

if let Addr::V4(a) = net.address {
                        x = a
                    };

match &used {
                        Some(map) => {
                            if map
                                .get(&Addr::V4(Ipv4Addr::from(u32::from(x) - 1)))
                                .is_some()
                            {
                                continue;
                            }
                        }
                        None => {}
                    }

return Some(if mask.is_none() {
                        Ip {
                            address: Addr::V4(Ipv4Addr::from(u32::from(x) - 1)),
                            cidr: net.cidr,
                        }
                    } else {
                        network(&Ip {
                            address: Addr::V4(Ipv4Addr::from(u32::from(x) - 1)),
                            cidr: net.cidr,
                        })
                    });
                }
            }
        }

if let Addr::V6(mut x) = net.address {
            if let Addr::V6(y) = b.address {
                let adder = match mask {
                    Some(x) => {
                        net.cidr = x;
                        let base: u128 = 2;
                        base.pow(128 - x)
                    }
                    None => 1,
                };

while u128::from(x) < u128::from(y) {
                    net = Ip {
                        address: Addr::V6(Ipv6Addr::from(u128::from(x) + adder)),
                        cidr: net.cidr,
                    };

if let Addr::V6(a) = net.address {
                        x = a
                    };

match &used {
                        Some(map) => {
                            if map
                                .get(&Addr::V6(Ipv6Addr::from(u128::from(x) - 1)))
                                .is_some()
                            {
                                continue;
                            }
                        }
                        None => {}
                    }

return Some(if mask.is_none() {
                        Ip {
                            address: Addr::V6(Ipv6Addr::from(u128::from(x) - 1)),
                            cidr: net.cidr,
                        }
                    } else {
                        network(&Ip {
                            address: Addr::V6(Ipv6Addr::from(u128::from(x) - 1)),
                            cidr: net.cidr,
                        })
                    });
                }
            }
        }

None
    })
}

pub fn smallest_group_network(networks: &HashMap<Ip, bool>) -> Option<Ip> {
    if networks.is_empty() {
        return None;
    }

let ip = networks.keys().next().unwrap();
    let mut ip = Ip {
        address: match ip.address {
            Addr::V4(x) => Addr::V4(x),
            Addr::V6(x) => Addr::V6(x),
        },
        cidr: ip.cidr,
    };

for key in networks.keys().skip(1) {
        let mut key = key.clone();
        match (&ip.address, &key.address) {
            (Addr::V4(_), Addr::V4(_)) => {
                if key.cidr < ip.cidr {
                    ip.cidr = key.cidr;
                }
                key.cidr = ip.cidr;
                while network(&key) != network(&ip) {
                    if ip.cidr == 0 {
                        return None;
                    }
                    ip.cidr -= 1;
                    key.cidr = ip.cidr;
                }
                ip = network(&ip);
            }
            (Addr::V6(_), Addr::V6(_)) => {
                if key.cidr < ip.cidr {
                    ip.cidr = key.cidr;
                }
                key.cidr = ip.cidr;
                while network(&key) != network(&ip) {
                    if ip.cidr == 0 {
                        return None;
                    }
                    ip.cidr -= 1;
                    key.cidr = ip.cidr;
                }
                ip = network(&ip);
            }
            (_, _) => {
                return None;
            }
        }
    }

Some(ip)
}

impl fmt::Display for Ip {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self.address {
            Addr::V4(x) => {
                write!(f, "{}", x)
            }
            Addr::V6(x) => {
                write!(f, "{}", x)
            }
        }
    }
}

pub fn broadcast(ip: &Ip) -> Ip {
    match ip.address {
        Addr::V4(x) => {
            let mut bin: u32 = 0;
            for i in 0..32 - ip.cidr {
                bin |= 1 << i;
            }
            bin |= u32::from(x);
            Ip {
                address: Addr::V4(Ipv4Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
        Addr::V6(x) => {
            let mut bin: u128 = 0;
            for i in 0..128 - ip.cidr {
                bin |= 1 << i;
            }
            bin |= u128::from(x);
            Ip {
                address: Addr::V6(Ipv6Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
    }
}

pub fn network(ip: &Ip) -> Ip {
    match ip.address {
        Addr::V4(x) => {
            let mut bin: u32 = 0;
            for i in 0..32 - ip.cidr {
                bin |= 1 << i;
            }
            bin = !(bin) & u32::from(x);
            Ip {
                address: Addr::V4(Ipv4Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
        Addr::V6(x) => {
            let mut bin: u128 = 0;
            for i in 0..128 - ip.cidr {
                bin |= 1 << i;
            }
            bin = !(bin) & u128::from(x);
            Ip {
                address: Addr::V6(Ipv6Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
    }
}

pub fn subnet(ip: &Ip) -> Ip {
    match ip.address {
        Addr::V4(_x) => {
            let mut bin: u32 = 0;
            for i in 0..32 - ip.cidr {
                bin |= 1 << i;
            }
            bin = !bin;
            Ip {
                address: Addr::V4(Ipv4Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
        Addr::V6(_x) => {
            let mut bin: u128 = 0;
            for i in 0..128 - ip.cidr {
                bin |= 1 << i;
            }
            bin = !bin;
            Ip {
                address: Addr::V6(Ipv6Addr::from(bin)),
                cidr: ip.cidr,
            }
        }
    }
}

// if addr's network is lower, or addr's broadcast is higher, then not within outside
pub fn within(net: &Ip, addr: &Ip) -> bool {
    match (&net.address, &addr.address) {
        (Addr::V4(_x), Addr::V4(_y)) => {
            let n = network(net);
            let b = broadcast(net);