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Commit | Line | Data |
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62ebb4bc DM |
1 | package PMG::UserConfig; |
2 | ||
3 | ||
4 | use strict; | |
5 | use warnings; | |
fff8e89c DM |
6 | use Data::Dumper; |
7 | use Clone 'clone'; | |
62ebb4bc DM |
8 | |
9 | use PVE::Tools; | |
10 | use PVE::INotify; | |
c861cb3a DM |
11 | use PVE::JSONSchema qw(get_standard_option); |
12 | use PVE::Exception qw(raise); | |
62ebb4bc DM |
13 | |
14 | use PMG::Utils; | |
15 | ||
16 | my $inotify_file_id = 'pmg-user.conf'; | |
17 | my $config_filename = '/etc/pmg/user.conf'; | |
18 | ||
19 | sub new { | |
20 | my ($type) = @_; | |
21 | ||
22 | my $class = ref($type) || $type; | |
23 | ||
24 | my $cfg = PVE::INotify::read_file($inotify_file_id); | |
25 | ||
26 | return bless $cfg, $class; | |
27 | } | |
28 | ||
29 | sub write { | |
30 | my ($self) = @_; | |
31 | ||
32 | PVE::INotify::write_file($inotify_file_id, $self); | |
33 | } | |
34 | ||
35 | my $lockfile = "/var/lock/pmguser.lck"; | |
36 | ||
37 | sub lock_config { | |
38 | my ($code, $errmsg) = @_; | |
39 | ||
40 | my $p = PVE::Tools::lock_file($lockfile, undef, $code); | |
41 | if (my $err = $@) { | |
42 | $errmsg ? die "$errmsg: $err" : die $err; | |
43 | } | |
44 | } | |
45 | ||
8333a87c | 46 | my $schema = { |
c861cb3a DM |
47 | additionalProperties => 0, |
48 | properties => { | |
4d813470 | 49 | userid => get_standard_option('userid'), |
0c7e2ca4 | 50 | username => get_standard_option('username', { optional => 1 }), |
1beed876 DM |
51 | realm => { |
52 | description => "Authentication realm.", | |
53 | type => 'string', | |
54 | enum => ['pam', 'pmg'], | |
55 | default => 'pmg', | |
56 | optional => 1, | |
57 | }, | |
c861cb3a DM |
58 | email => { |
59 | description => "Users E-Mail address.", | |
fff8e89c | 60 | type => 'string', format => 'email', |
c861cb3a DM |
61 | optional => 1, |
62 | }, | |
63 | expire => { | |
fff8e89c | 64 | description => "Account expiration date (seconds since epoch). '0' means no expiration date.", |
c861cb3a DM |
65 | type => 'integer', |
66 | minimum => 0, | |
fff8e89c DM |
67 | default => 0, |
68 | optional => 1, | |
c861cb3a DM |
69 | }, |
70 | enable => { | |
71 | description => "Flag to enable or disable the account.", | |
72 | type => 'boolean', | |
fff8e89c DM |
73 | default => 0, |
74 | optional => 1, | |
c861cb3a DM |
75 | }, |
76 | crypt_pass => { | |
77 | description => "Encrypted password (see `man crypt`)", | |
78 | type => 'string', | |
79 | pattern => '\$\d\$[a-zA-Z0-9\.\/]+\$[a-zA-Z0-9\.\/]+', | |
80 | optional => 1, | |
81 | }, | |
82 | role => { | |
6006ffde | 83 | description => "User role. Role 'root' is reseved for the Unix Superuser.", |
c861cb3a | 84 | type => 'string', |
6006ffde | 85 | enum => ['root', 'admin', 'qmanager', 'audit'], |
c861cb3a | 86 | }, |
aec44b24 | 87 | firstname => { |
c861cb3a DM |
88 | description => "First name.", |
89 | type => 'string', | |
90 | maxLength => 64, | |
91 | optional => 1, | |
92 | }, | |
aec44b24 | 93 | lastname => { |
c861cb3a DM |
94 | description => "Last name.", |
95 | type => 'string', | |
96 | maxLength => 64, | |
97 | optional => 1, | |
98 | }, | |
99 | keys => { | |
fff8e89c | 100 | description => "Keys for two factor auth (yubico).", |
c861cb3a DM |
101 | type => 'string', |
102 | maxLength => 128, | |
103 | optional => 1, | |
104 | }, | |
fff8e89c DM |
105 | comment => { |
106 | description => "Comment.", | |
107 | type => 'string', | |
108 | optional => 1, | |
109 | }, | |
c861cb3a DM |
110 | }, |
111 | }; | |
112 | ||
8333a87c DM |
113 | our $create_schema = clone($schema); |
114 | delete $create_schema->{properties}->{username}; | |
115 | delete $create_schema->{properties}->{realm}; | |
116 | ||
fff8e89c DM |
117 | our $update_schema = clone($schema); |
118 | $update_schema->{properties}->{role}->{optional} = 1; | |
8333a87c DM |
119 | delete $update_schema->{properties}->{username}; |
120 | delete $update_schema->{properties}->{realm}; | |
0ecf02bc DM |
121 | $update_schema->{properties}->{delete} = { |
122 | type => 'string', format => 'pve-configid-list', | |
123 | description => "A list of settings you want to delete.", | |
124 | maxLength => 4096, | |
125 | optional => 1, | |
126 | }; | |
fff8e89c | 127 | |
c861cb3a DM |
128 | my $verity_entry = sub { |
129 | my ($entry) = @_; | |
130 | ||
131 | my $errors = {}; | |
132 | PVE::JSONSchema::check_prop($entry, $schema, '', $errors); | |
133 | if (scalar(%$errors)) { | |
134 | raise "verify entry failed\n", errors => $errors; | |
135 | } | |
136 | }; | |
137 | ||
1461db83 DM |
138 | my $fixup_root_properties = sub { |
139 | my ($cfg) = @_; | |
140 | ||
141 | $cfg->{'root@pam'}->{userid} = 'root@pam'; | |
0c7e2ca4 | 142 | $cfg->{'root@pam'}->{username} = 'root'; |
1beed876 | 143 | $cfg->{'root@pam'}->{realm} = 'pam'; |
1461db83 DM |
144 | $cfg->{'root@pam'}->{enable} = 1; |
145 | $cfg->{'root@pam'}->{expire} = 0; | |
146 | $cfg->{'root@pam'}->{comment} = 'Unix Superuser'; | |
147 | $cfg->{'root@pam'}->{role} = 'root'; | |
148 | delete $cfg->{'root@pam'}->{crypt_pass}; | |
149 | }; | |
150 | ||
62ebb4bc DM |
151 | sub read_user_conf { |
152 | my ($filename, $fh) = @_; | |
153 | ||
154 | my $cfg = {}; | |
155 | ||
156 | if ($fh) { | |
157 | ||
158 | my $comment = ''; | |
159 | ||
160 | while (defined(my $line = <$fh>)) { | |
161 | next if $line =~ m/^\s*$/; | |
162 | if ($line =~ m/^#(.*)$/) { | |
163 | $comment = $1; | |
164 | next; | |
165 | } | |
c861cb3a DM |
166 | |
167 | if ($line =~ m/^ | |
168 | (?<userid>(?:[^\s:]+)) : | |
fff8e89c DM |
169 | (?<enable>[01]?) : |
170 | (?<expire>\d*) : | |
171 | (?<crypt_pass>(?:[^\s:]*)) : | |
c861cb3a DM |
172 | (?<role>[a-z]+) : |
173 | (?<email>(?:[^\s:]*)) : | |
aec44b24 DM |
174 | (?<firstname>(?:[^:]*)) : |
175 | (?<lastname>(?:[^:]*)) : | |
c861cb3a DM |
176 | (?<keys>(?:[^:]*)) : |
177 | $/x | |
178 | ) { | |
62ebb4bc | 179 | my $d = { |
0c7e2ca4 | 180 | username => $+{userid}, |
4d813470 | 181 | userid => $+{userid} . '@pmg', |
1beed876 | 182 | realm => 'pmg', |
fff8e89c DM |
183 | enable => $+{enable} || 0, |
184 | expire => $+{expire} || 0, | |
c861cb3a | 185 | role => $+{role}, |
62ebb4bc DM |
186 | }; |
187 | $d->{comment} = $comment if $comment; | |
188 | $comment = ''; | |
aec44b24 | 189 | foreach my $k (qw(crypt_pass email firstname lastname keys)) { |
c861cb3a DM |
190 | $d->{$k} = $+{$k} if $+{$k}; |
191 | } | |
192 | eval { | |
193 | $verity_entry->($d); | |
194 | $cfg->{$d->{userid}} = $d; | |
6006ffde DM |
195 | die "role 'root' is reserved\n" |
196 | if $d->{role} eq 'root' && $d->{userid} ne 'root@pmg'; | |
c861cb3a DM |
197 | }; |
198 | if (my $err = $@) { | |
199 | warn "$filename: $err"; | |
200 | } | |
62ebb4bc DM |
201 | } else { |
202 | warn "$filename: ignore invalid line $.\n"; | |
203 | $comment = ''; | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
82613302 DM |
208 | # hack: we list root@pam here (root@pmg is an alias for root@pam) |
209 | $cfg->{'root@pam'} = $cfg->{'root@pmg'} // {}; | |
210 | delete $cfg->{'root@pmg'}; | |
211 | $cfg->{'root@pam'} //= {}; | |
1461db83 DM |
212 | |
213 | $fixup_root_properties->($cfg); | |
62ebb4bc DM |
214 | |
215 | return $cfg; | |
216 | } | |
217 | ||
218 | sub write_user_conf { | |
219 | my ($filename, $fh, $cfg) = @_; | |
220 | ||
221 | my $raw = ''; | |
222 | ||
1461db83 | 223 | $fixup_root_properties->($cfg); |
fff8e89c DM |
224 | |
225 | foreach my $userid (keys %$cfg) { | |
226 | my $d = $cfg->{$userid}; | |
82613302 | 227 | |
fff8e89c | 228 | $d->{userid} = $userid; |
4d813470 | 229 | |
cf009a08 | 230 | die "invalid userid '$userid'\n" if $userid eq 'root@pmg'; |
7e818421 | 231 | |
fff8e89c DM |
232 | eval { |
233 | $verity_entry->($d); | |
234 | $cfg->{$d->{userid}} = $d; | |
6006ffde | 235 | |
1beed876 DM |
236 | if ($d->{userid} ne 'root@pam') { |
237 | die "role 'root' is reserved\n" if $d->{role} eq 'root'; | |
238 | die "unable to add users for realm '$d->{realm}'\n" | |
b5dc7933 | 239 | if $d->{realm} && $d->{realm} ne 'pmg'; |
1beed876 | 240 | } |
fff8e89c DM |
241 | }; |
242 | if (my $err = $@) { | |
243 | die $err; | |
244 | } | |
4d813470 | 245 | |
82613302 DM |
246 | my $line; |
247 | ||
248 | if ($userid eq 'root@pam') { | |
249 | $line = 'root:'; | |
250 | $d->{crypt_pass} = '', | |
05e34f94 | 251 | $d->{expire} = '0', |
82613302 DM |
252 | $d->{role} = 'root'; |
253 | } else { | |
254 | next if $userid !~ m/^(?<username>.+)\@pmg$/; | |
255 | $line = "$+{username}:"; | |
256 | } | |
4d813470 | 257 | |
aec44b24 | 258 | for my $k (qw(enable expire crypt_pass role email firstname lastname keys)) { |
fff8e89c DM |
259 | $line .= ($d->{$k} // '') . ':'; |
260 | } | |
0ecf02bc DM |
261 | if (my $comment = $d->{comment}) { |
262 | my $firstline = (split /\n/, $comment)[0]; # only allow one line | |
263 | $raw .= "#$firstline\n"; | |
264 | } | |
fff8e89c DM |
265 | $raw .= $line . "\n"; |
266 | } | |
62ebb4bc DM |
267 | |
268 | PVE::Tools::safe_print($filename, $fh, $raw); | |
269 | } | |
270 | ||
271 | PVE::INotify::register_file($inotify_file_id, $config_filename, | |
272 | \&read_user_conf, | |
273 | \&write_user_conf, | |
274 | undef, | |
275 | always_call_parser => 1); | |
276 | ||
277 | sub lookup_user_data { | |
278 | my ($self, $username, $noerr) = @_; | |
279 | ||
280 | return $self->{$username} if $self->{$username}; | |
281 | ||
282 | die "no such user ('$username')\n" if !$noerr; | |
283 | ||
284 | return undef; | |
285 | } | |
286 | ||
287 | sub authenticate_user { | |
288 | my ($self, $username, $password) = @_; | |
289 | ||
290 | die "no password\n" if !$password; | |
291 | ||
292 | my $data = $self->lookup_user_data($username); | |
293 | ||
c861cb3a DM |
294 | my $ctime = time(); |
295 | my $expire = $data->{expire}; | |
296 | ||
297 | die "account expired\n" if $expire && ($expire < $ctime); | |
298 | ||
62ebb4bc DM |
299 | if ($data->{crypt_pass}) { |
300 | my $encpw = crypt($password, $data->{crypt_pass}); | |
301 | die "invalid credentials\n" if ($encpw ne $data->{crypt_pass}); | |
302 | } else { | |
303 | die "no password set\n"; | |
304 | } | |
305 | ||
306 | return 1; | |
307 | } | |
308 | ||
be06bc52 | 309 | sub set_user_password { |
62ebb4bc DM |
310 | my ($class, $username, $password) = @_; |
311 | ||
312 | lock_config(sub { | |
313 | my $cfg = $class->new(); | |
314 | my $data = $cfg->lookup_user_data($username); # user exists | |
315 | my $epw = PMG::Utils::encrypt_pw($password); | |
316 | $data->{crypt_pass} = $epw; | |
317 | $cfg->write(); | |
318 | }); | |
319 | } | |
320 | ||
321 | 1; |