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|
{ config, pkgs, ... }:
{
imports = [
./sshkeys.nix
];
nix.useChroot = true;
users.mutableUsers = false;
boot.tmpOnTmpfs = true;
# see tmpfiles.d(5)
systemd.tmpfiles.rules = [
"d /tmp 1777 root root - -"
];
# multiple-definition-problem when defining environment.variables.EDITOR
environment.extraInit = ''
EDITOR=vim
PAGER=most
'';
environment.systemPackages = with pkgs; [
git
most
#network
iptables
];
programs.bash = {
enableCompletion = true;
interactiveShellInit = ''
HISTCONTROL='erasedups:ignorespace'
HISTSIZE=65536
HISTFILESIZE=$HISTSIZE
shopt -s checkhash
shopt -s histappend histreedit histverify
shopt -s no_empty_cmd_completion
complete -d cd
#fancy colors
if [ -e ~/LS_COLORS ]; then
eval $(dircolors ~/LS_COLORS)
fi
if [ -e /etc/nixos/dotfiles/link ]; then
/etc/nixos/dotfiles/link
fi
'';
promptInit = ''
if test $UID = 0; then
PS1='\[\033[1;31m\]\w\[\033[0m\] '
elif test $UID = 1337; then
PS1='\[\033[1;32m\]\w\[\033[0m\] '
else
PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
fi
if test -n "$SSH_CLIENT"; then
PS1='\[\033[35m\]\h'" $PS1"
fi
'';
};
services.gitolite = {
enable = true;
dataDir = "/home/gitolite";
adminPubkey = config.sshKeys.lass.pub;
#commonHooks = [
# (pkgs.writeText "irc-announce" ''
# #! /bin/sh
# set -euf
# config_file="$GL_ADMIN_BASE/conf/irc-announce.conf"
# if test -f "$config_file"; then
# . "$config_file"
# fi
# # XXX when changing IRC_CHANNEL or IRC_SERVER/_PORT, don't forget to update
# # any relevant gitolite LOCAL_CODE!
# # CAVEAT we hope that IRC_NICK is unique
# IRC_NICK="''${IRC_NICK-gl$GL_TID}"
# IRC_CHANNEL="''${IRC_CHANNEL-#retiolum}"
# IRC_SERVER="''${IRC_SERVER-ire.retiolum}"
# IRC_PORT="''${IRC_PORT-6667}"
# # for privmsg_cat below
# export IRC_CHANNEL
# # collect users that are mentioned in the gitolite configuration
# interested_users="$(perl -e '
# do "gl-conf";
# print join(" ", keys%{ $one_repo{$ENV{"GL_REPO"}} });
# ')"
# # CAVEAT beware of real TABs in grep pattern!
# # CAVEAT there will never be more than 42 relevant log entries!
# log="$(tail -n 42 "$GL_LOGFILE" | grep "^[^ ]* $GL_TID ")"
# update_log="$(echo "$log" | grep "^[^ ]* $GL_TID update")"
# # (debug output)
# env | sed 's/^/env: /'
# echo "$log" | sed 's/^/log: /'
# # see http://gitolite.com/gitolite/dev-notes.html#lff
# reponame=$(echo "$update_log" | cut -f 4)
# username=$(echo "$update_log" | cut -f 5)
# ref_name=$(echo "$update_log" | cut -f 7 | sed 's|^refs/heads/||')
# old_sha=$(echo "$update_log" | cut -f 8)
# new_sha=$(echo "$update_log" | cut -f 9)
# # check if new branch is created
# if test $old_sha = 0000000000000000000000000000000000000000; then
# # TODO what should we really show?
# old_sha=$new_sha^
# fi
# #
# git_log="$(git log $old_sha..$new_sha --pretty=oneline --abbrev-commit)"
# commit_count=$(echo "$git_log" | wc -l)
# # echo2 and cat2 are used output to both, stdout and stderr
# # This is used to see what we send to the irc server. (debug output)
# echo2() { echo "$*"; echo "$*" >&2; }
# cat2() { tee /dev/stderr; }
# # privmsg_cat transforms stdin to a privmsg
# privmsg_cat() { awk '{ print "PRIVMSG "ENVIRON["IRC_CHANNEL"]" :"$0 }'; }
# # ircin is used to feed the output of netcat back to the "irc client"
# # so we can implement expect-like behavior with sed^_^
# # XXX mkselfdestructingtmpfifo would be nice instead of this cruft
# tmpdir="$(mktemp -d irc-announce_XXXXXXXX)"
# cd "$tmpdir"
# mkfifo ircin
# trap "
# rm ircin
# cd '$OLDPWD'
# rmdir '$tmpdir'
# trap - EXIT INT QUIT
# " EXIT INT QUIT
# #
# #
# #
# {
# echo2 "USER $LOGNAME 0 * :$LOGNAME@$(hostname)"
# echo2 "NICK $IRC_NICK"
# # wait for MODE message
# sed -n '/^:[^ ]* MODE /q'
# echo2 "JOIN $IRC_CHANNEL"
# echo "$interested_users" \
# | tr ' ' '\n' \
# | grep -v "^$GL_USER" \
# | sed 's/$/: poke/' \
# | privmsg_cat \
# | cat2
# printf '[13%s] %s pushed %s new commit%s to 6%s %s\n' \
# "$reponame" \
# "$username" \
# "$commit_count" \
# "$(test $commit_count = 1 || echo s)" \
# "$(hostname)" \
# "$ref_name" \
# | privmsg_cat \
# | cat2
# echo "$git_log" \
# | sed 's/^/14/;s/ / /' \
# | privmsg_cat \
# | cat2
# echo2 "PART $IRC_CHANNEL"
# # wait for PART confirmation
# sed -n '/:'"$IRC_NICK"'![^ ]* PART /q'
# echo2 'QUIT :Gone to have lunch'
# } < ircin \
# | nc "$IRC_SERVER" "$IRC_PORT" | tee -a ircin
# '')
#];
};
services.openssh = {
enable = true;
hostKeys = [
# XXX bits here make no science
{ bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
];
};
services.journald.extraConfig = ''
SystemMaxUse=1G
RuntimeMaxUse=128M
'';
networking.firewall = {
enable = true;
allowedTCPPorts = [
22
];
extraCommands = ''
iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
iptables -A INPUT -j ACCEPT -i lo
#iptables -N Retiolum
iptables -A INPUT -j Retiolum -i retiolum
iptables -A Retiolum -j ACCEPT -p icmp
iptables -A Retiolum -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
iptables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
iptables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
iptables -A Retiolum -j REJECT --reject-with icmp-proto-unreachable
iptables -A Retiolum -j REJECT
'';
extraStopCommands = "iptables -F";
};
}
|
