blob: 26e6cae51dbca5fe0d72cb130fc617f88d249234 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
{ config, lib, pkgs, ... }:
with lib;
{
imports = [
../../3modules/lass/iptables.nix
{
users.extraUsers =
mapAttrs (_: h: { hashedPassword = h; })
(import /root/src/secrets/hashedPasswords.nix);
}
{
users.extraUsers = {
root = {
openssh.authorizedKeys.keys = map readFile [
../../Zpubkeys/lass.ssh.pub
];
};
mainUser = {
name = "lass";
uid = 1337;
home = "/home/lass";
group = "users";
createHome = true;
useDefaultShell = true;
extraGroups = [
"audio"
"wheel"
];
openssh.authorizedKeys.keys = map readFile [
../../Zpubkeys/lass.ssh.pub
];
};
};
}
];
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
rxvt_unicode.terminfo
#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
'';
};
security.setuidPrograms = [
"sendmail"
];
services.gitolite = {
enable = true;
dataDir = "/home/gitolite";
adminPubkey = config.sshKeys.lass.pub;
};
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
'';
lass.iptables = {
enable = true;
tables = {
filter.INPUT.policy = "DROP";
filter.FORWARD.policy = "DROP";
filter.INPUT.rules = [
{ predicate = "-i lo"; target = "ACCEPT"; }
{ predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
{ predicate = "-p icmp"; target = "ACCEPT"; }
{ predicate = "-p tcp --dport 22"; target = "ACCEPT"; }
];
};
};
#Networking.firewall = {
# enable = true;
# allowedTCPPorts = [
# 22
# ];
# extraCommands = ''
# iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
# iptables -A INPUT -j ACCEPT -i lo
# #http://serverfault.com/questions/84963/why-not-block-icmp
# iptables -A INPUT -j ACCEPT -p icmp
# #TODO: fix Retiolum firewall
# #iptables -N RETIOLUM
# #iptables -A INPUT -j RETIOLUM -i retiolum
# #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
# '';
#};
}
|
