About

This repository contains Terraform, Packer, and Ansible configuration to deploy an Arch Linux Linode instance that hosts a ZNC IRC bouncer that uses Tor, an Onion service to access the bouncer webadmin and a Tor middle relay.

Pre requisites

• A Linode API Token with Read/Write access for the Images and Linodes scopes.
• The following packages:
  • ansible
  • packer
  • terraform

Deploying the bouncer

Build image

1. To export Packer variables:

set +o history # unset bash history
unset HISTFILE # unset zsh history

export PKR_VAR_linode_token=<linode token>
export PKR_VAR_user=<instance user>
export PKR_VAR_ssh_keys=<url with public keys>
export PKR_VAR_control_pass=<tor's control password>

2. To install packer plugins:

packer init packer

3. To build an image:

packer build packer

The following variables are shown in STDOUT and are required for the next steps:

1. znc_cert_fingerprint
2. liberachat_fingerprint
3. oftc_fingerprint
4. hidden_service
5. linode_image

Deploy image

1. To export Terraform variables:

set +o history # unset bash history
unset HISTFILE # unset zsh history

export TF_VAR_linode_token=<your linode token>
export TF_VAR_image=<linode image id>

2. To deploy an instance

terraform -chdir=terraform init
terraform -chdir=terraform apply

3. To connect to the instance:

ssh <user>@<ip> -p <port>

You're required to set-up your password upon first login:

First login:

Access ZNC's webadmin

• To get the Onion Service URL:

cat /var/lib/tor/hidden_service/hostname

• To get ZNC's port

sed --quiet --expression '/Port/p' /var/lib/znc/.znc/configs/znc.conf

Access ZNC's webadmin using the onion service and the port, (ex. http://owgtuxw3dd2m2cyii5nzxk6bohzggragerdvzdsev6uhjyb3cfn2u5yd.onion:15763/):

Connecting to the bouncer

The following stpes are done in an IRC client like WeeChat.

Add SSL certificates for SASL External authentication

Adding the LiberaChat network:

1. To connect to LiberaChat directly:

/server add liberachat-direct irc.libera.chat/6697 -ssl
/set irc.server.liberachat-direct.nicks <liberachat_nick>
/save
/connect liberachat-direct

2. To add the SSL certificate to LiberaChat:

/msg NickServ cert add <liberachat_fingerprint>

3. To connect to LiberaChat using ZNC:

/server add liberachat-znc <ip_address>/6697 -ssl -username=<znc_user>/liberachat -password=<znc_pass>
/set irc.server.liberachat-znc.ssl_fingerprint <znc_cert_fingerprint>
/save
/connect liberachat-znc

3. To use SASL External:

/query *sasl Mechanism EXTERNAL

4. To accept LiberaChat's SSL fingerprint:

Move to the *status buffer, then add the certificate:

/znc AddTrustedServerFingerprint <ssl_fingerprint>

5. To use clientbuffer:

/query *clientbuffer AddClient <client_name>
/disconnect -all
/set irc.server.liberachat-znc.username "<irc_user>@<client_name>/liberachat"

Adding the OFTC network:

1. To connect to OFTC:

/server add oftc-direct irc.oftc.net/6697 -ssl
/set irc.server.oftc.nicks <liberachat_nick>
/save
/connect oftc-direct

2. To add the SSL certificate to OFTC:

/msg NickServ cert add <oftc_fingerprint>

3. To use SASL External:

/server add oftc-znc <ip_address> -ssl -username=<znc_user>/oftc -password=<znc_pass>
/set irc.server.oftc-znc.ssl_fingerprint <znc_cert_fingerprint>
/save
/connect oftc-znc
/query *sasl Mechanism EXTERNAL

4. To accept LiberaChat's SSL fingerprint:

Move to the *status buffer, then add the certificate:

/znc AddTrustedServerFingerprint <ssl_fingerprint>

5. To use clientbuffer:

/query *clientbuffer AddClient <client_name>
/disconnect -all
/set irc.server.oftc-znc.username "<irc_user>@<client_name>/oftc"

Monitoring

The following services are accessible from the Tor network:

Service	Port
grafana	3000
prometheus	9090
prometheus-node-exporter	9100

Access a service (ex. Grafana) using the Onion Adress and the port, ex (owgtuxw3dd2m2cyii5nzxk6bohzggragerdvzdsev6uhjyb3cfn2u5yd.onion:3000/):