blob: 27242b1297ed4165290a00317f64602466f310bb (
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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
with import <stockholm/lib>;
{ config, pkgs, ... }:
{
imports = [
<stockholm/krebs/2configs/nscd-fix.nix>
./binary-cache/client.nix
./backup.nix
./gc.nix
./mc.nix
./vim.nix
./zsh.nix
./htop.nix
./security-workarounds.nix
./wiregrill.nix
{
users.extraUsers =
mapAttrs (_: h: { hashedPassword = h; })
(import <secrets/hashedPasswords.nix>);
}
{
users.extraUsers = {
root = {
openssh.authorizedKeys.keys = [
config.krebs.users.lass-mors.pubkey
config.krebs.users.lass-blue.pubkey
config.krebs.users.lass-xerxes.pubkey
config.krebs.users.lass-yubikey.pubkey
];
};
mainUser = {
name = "lass";
uid = 1337;
home = "/home/lass";
group = "users";
createHome = true;
useDefaultShell = true;
extraGroups = [
"audio"
"fuse"
"wheel"
];
openssh.authorizedKeys.keys = [
config.krebs.users.lass-mors.pubkey
config.krebs.users.lass-blue.pubkey
config.krebs.users.lass-xerxes.pubkey
config.krebs.users.lass-yubikey.pubkey
];
};
};
}
{
environment.variables = {
NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src";
};
}
(let ca-bundle = "/etc/ssl/certs/ca-bundle.crt"; in {
environment.variables = {
CURL_CA_BUNDLE = ca-bundle;
GIT_SSL_CAINFO = ca-bundle;
SSL_CERT_FILE = ca-bundle;
};
})
{
#for sshuttle
environment.systemPackages = [
pkgs.pythonPackages.python
];
}
];
networking.hostName = config.krebs.build.host.name;
nix.maxJobs = config.krebs.build.host.cores;
krebs = {
enable = true;
build.user = config.krebs.users.lass;
};
nix.useSandbox = true;
users.mutableUsers = false;
services.timesyncd.enable = mkForce true;
systemd.tmpfiles.rules = [
"d /tmp 1777 root root - -"
];
# multiple-definition-problem when defining environment.variables.EDITOR
environment.extraInit = ''
EDITOR=vim
'';
nixpkgs.config.allowUnfree = true;
environment.systemPackages = with pkgs; [
#stockholm
git
gnumake
jq
parallel
proot
populate
#style
most
rxvt_unicode.terminfo
#monitoring tools
htop
iotop
#network
iptables
iftop
tcpdump
#stuff for dl
aria2
#neat utils
file
kpaste
krebspaste
mosh
pciutils
pop
psmisc
q
rs
tmux
untilport
usbutils
logify
goify
#unpack stuff
p7zip
unzip
unrar
(pkgs.writeDashBin "sshn" ''
${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"
'')
];
programs.bash = {
enableCompletion = true;
interactiveShellInit = ''
HISTCONTROL='erasedups:ignorespace'
HISTSIZE=65536
HISTFILESIZE=$HISTSIZE
shopt -s checkhash
shopt -s histappend histreedit histverify
shopt -s no_empty_cmd_completion
complete -d cd
LS_COLORS=$LS_COLORS:'di=1;31:' ; export LS_COLORS
'';
promptInit = ''
if test $UID = 0; then
PS1='\[\033[1;31m\]\w\[\033[0m\] '
PROMPT_COMMAND='echo -ne "\033]0;$$ $USER@$PWD\007"'
elif test $UID = 1337; then
PS1='\[\033[1;32m\]\w\[\033[0m\] '
PROMPT_COMMAND='echo -ne "\033]0;$$ $PWD\007"'
else
PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
PROMPT_COMMAND='echo -ne "\033]0;$$ $USER@$PWD\007"'
fi
if test -n "$SSH_CLIENT"; then
PS1='\[\033[35m\]\h'" $PS1"
PROMPT_COMMAND='echo -ne "\033]0;$$ $HOSTNAME $USER@$PWD\007"'
fi
'';
};
services.openssh.enable = true;
services.journald.extraConfig = ''
SystemMaxUse=1G
RuntimeMaxUse=128M
'';
krebs.iptables = {
enable = true;
tables = {
nat.PREROUTING.rules = [
{ predicate = "-i retiolum -p tcp -m tcp --dport 22"; target = "ACCEPT"; precedence = 101; }
{ predicate = "-i wiregrill -p tcp -m tcp --dport 22"; target = "ACCEPT"; precedence = 101; }
{ predicate = "-p tcp -m tcp --dport 22"; target = "REDIRECT --to-ports 0"; precedence = 100; }
{ predicate = "-p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 99; }
];
nat.OUTPUT.rules = [
{ predicate = "-o lo -p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 100; }
];
filter.INPUT.policy = "DROP";
filter.FORWARD.policy = "DROP";
filter.INPUT.rules = [
{ predicate = "-i retiolum -p udp --dport 60000:61000"; target = "ACCEPT";}
{ predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; precedence = 10001; }
{ predicate = "-p icmp"; target = "ACCEPT"; precedence = 10000; }
{ predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false; precedence = 10000; }
{ predicate = "-i lo"; target = "ACCEPT"; precedence = 9999; }
{ predicate = "-p tcp --dport 22"; target = "ACCEPT"; precedence = 9998; }
{ predicate = "-p tcp -i retiolum"; target = "REJECT --reject-with tcp-reset"; precedence = -10000; }
{ predicate = "-p udp -i retiolum"; target = "REJECT --reject-with icmp-port-unreachable"; v6 = false; precedence = -10000; }
{ predicate = "-i retiolum"; target = "REJECT --reject-with icmp-proto-unreachable"; v6 = false; precedence = -10000; }
{ predicate = "-i retiolum -p udp -m udp --dport 53"; target = "ACCEPT"; }
{ predicate = "-i retiolum -p tcp --dport 19999"; target = "ACCEPT"; }
];
};
};
networking.dhcpcd.extraConfig = ''
noipv4ll
'';
}
|
