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Commit | Line | Data |
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4792d439 WL |
1 | package PVE::Storage::CIFSPlugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Net::IP; | |
6 | use PVE::Tools qw(run_command); | |
7 | use PVE::ProcFSTools; | |
8 | use File::Path; | |
9 | use PVE::Storage::Plugin; | |
10 | use PVE::JSONSchema qw(get_standard_option); | |
11 | ||
12 | use base qw(PVE::Storage::Plugin); | |
13 | ||
14 | # CIFS helper functions | |
15 | ||
16 | sub cifs_is_mounted { | |
17 | my ($server, $share, $mountpoint, $mountdata) = @_; | |
18 | ||
19 | $server = "[$server]" if Net::IP::ip_is_ipv6($server); | |
20 | my $source = "//${server}/$share"; | |
21 | $mountdata = PVE::ProcFSTools::parse_proc_mounts() if !$mountdata; | |
22 | ||
23 | return $mountpoint if grep { | |
24 | $_->[2] =~ /^cifs/ && | |
25 | $_->[0] =~ m|^\Q$source\E/?$| && | |
26 | $_->[1] eq $mountpoint | |
27 | } @$mountdata; | |
28 | return undef; | |
29 | } | |
30 | ||
a9db2ca8 DM |
31 | sub cifs_cred_file_name { |
32 | my ($storeid) = @_; | |
f33533d4 | 33 | return "/etc/pve/priv/storage/${storeid}.pw"; |
a9db2ca8 DM |
34 | } |
35 | ||
e2fc55b4 DM |
36 | sub cifs_delete_credentials { |
37 | my ($storeid) = @_; | |
38 | ||
319441e7 | 39 | if (my $cred_file = get_cred_file($storeid)) { |
e2fc55b4 DM |
40 | unlink($cred_file) or warn "removing cifs credientials '$cred_file' failed: $!\n"; |
41 | } | |
42 | } | |
43 | ||
a9db2ca8 DM |
44 | sub cifs_set_credentials { |
45 | my ($password, $storeid) = @_; | |
46 | ||
47 | my $cred_file = cifs_cred_file_name($storeid); | |
319441e7 | 48 | mkdir "/etc/pve/priv/storage"; |
a9db2ca8 DM |
49 | |
50 | PVE::Tools::file_set_contents($cred_file, "password=$password\n"); | |
51 | ||
52 | return $cred_file; | |
53 | } | |
54 | ||
4792d439 WL |
55 | sub get_cred_file { |
56 | my ($storeid) = @_; | |
57 | ||
a9db2ca8 | 58 | my $cred_file = cifs_cred_file_name($storeid); |
4792d439 | 59 | |
319441e7 TL |
60 | if (-e $cred_file) { |
61 | return $cred_file; | |
319441e7 TL |
62 | } |
63 | return undef; | |
4792d439 WL |
64 | } |
65 | ||
66 | sub cifs_mount { | |
67 | my ($server, $share, $mountpoint, $storeid, $smbver, $user, $domain) = @_; | |
68 | ||
69 | $server = "[$server]" if Net::IP::ip_is_ipv6($server); | |
70 | my $source = "//${server}/$share"; | |
71 | ||
72 | my $cmd = ['/bin/mount', '-t', 'cifs', $source, $mountpoint, '-o', 'soft', '-o']; | |
73 | ||
74 | if (my $cred_file = get_cred_file($storeid)) { | |
75 | push @$cmd, "username=$user", '-o', "credentials=$cred_file"; | |
76 | push @$cmd, '-o', "domain=$domain" if defined($domain); | |
77 | } else { | |
78 | push @$cmd, 'guest,username=guest'; | |
79 | } | |
80 | ||
e1667a22 | 81 | push @$cmd, '-o', defined($smbver) ? "vers=$smbver" : "vers=default"; |
4792d439 WL |
82 | |
83 | run_command($cmd, errmsg => "mount error"); | |
84 | } | |
85 | ||
86 | # Configuration | |
87 | ||
88 | sub type { | |
89 | return 'cifs'; | |
90 | } | |
91 | ||
92 | sub plugindata { | |
93 | return { | |
94 | content => [ { images => 1, rootdir => 1, vztmpl => 1, iso => 1, | |
d1eb35ea | 95 | backup => 1, snippets => 1}, { images => 1 }], |
4792d439 WL |
96 | format => [ { raw => 1, qcow2 => 1, vmdk => 1 } , 'raw' ], |
97 | }; | |
98 | } | |
99 | ||
100 | sub properties { | |
101 | return { | |
102 | share => { | |
103 | description => "CIFS share.", | |
104 | type => 'string', | |
105 | }, | |
106 | password => { | |
0f2549ed | 107 | description => "Password for accessing the share/datastore.", |
4792d439 WL |
108 | type => 'string', |
109 | maxLength => 256, | |
110 | }, | |
111 | domain => { | |
112 | description => "CIFS domain.", | |
113 | type => 'string', | |
114 | optional => 1, | |
115 | maxLength => 256, | |
116 | }, | |
117 | smbversion => { | |
e1667a22 TL |
118 | description => "SMB protocol version. 'default' if not set, negotiates the highest SMB2+" |
119 | ." version supported by both the client and server.", | |
4792d439 | 120 | type => 'string', |
e1667a22 | 121 | default => 'default', |
9fff8c7a | 122 | enum => ['default', '2.0', '2.1', '3', '3.0', '3.11'], |
4792d439 WL |
123 | optional => 1, |
124 | }, | |
125 | }; | |
126 | } | |
127 | ||
128 | sub options { | |
129 | return { | |
130 | path => { fixed => 1 }, | |
131 | server => { fixed => 1 }, | |
132 | share => { fixed => 1 }, | |
133 | nodes => { optional => 1 }, | |
134 | disable => { optional => 1 }, | |
135 | maxfiles => { optional => 1 }, | |
3353698f | 136 | 'prune-backups' => { optional => 1 }, |
4792d439 WL |
137 | content => { optional => 1 }, |
138 | format => { optional => 1 }, | |
139 | username => { optional => 1 }, | |
140 | password => { optional => 1}, | |
141 | domain => { optional => 1}, | |
142 | smbversion => { optional => 1}, | |
3160dbf1 | 143 | mkdir => { optional => 1 }, |
c3ed9ac3 | 144 | bwlimit => { optional => 1 }, |
95ff5dbd | 145 | preallocation => { optional => 1 }, |
4792d439 WL |
146 | }; |
147 | } | |
148 | ||
149 | ||
150 | sub check_config { | |
151 | my ($class, $sectionId, $config, $create, $skipSchemaCheck) = @_; | |
152 | ||
153 | $config->{path} = "/mnt/pve/$sectionId" if $create && !$config->{path}; | |
154 | ||
155 | return $class->SUPER::check_config($sectionId, $config, $create, $skipSchemaCheck); | |
156 | } | |
157 | ||
158 | # Storage implementation | |
159 | ||
ab5e32bb | 160 | sub on_add_hook { |
02f43ab4 | 161 | my ($class, $storeid, $scfg, %sensitive) = @_; |
ab5e32bb | 162 | |
02f43ab4 TL |
163 | if (defined($sensitive{password})) { |
164 | cifs_set_credentials($sensitive{password}, $storeid); | |
72385de9 | 165 | if (!exists($scfg->{username})) { |
b4e88b7f | 166 | warn "storage $storeid: ignoring password parameter, no user set\n"; |
72385de9 | 167 | } |
e2fc55b4 DM |
168 | } else { |
169 | cifs_delete_credentials($storeid); | |
170 | } | |
f3ccd0ef FE |
171 | |
172 | return; | |
e2fc55b4 DM |
173 | } |
174 | ||
175 | sub on_update_hook { | |
02f43ab4 | 176 | my ($class, $storeid, $scfg, %sensitive) = @_; |
e2fc55b4 | 177 | |
02f43ab4 | 178 | return if !exists($sensitive{password}); |
e2fc55b4 | 179 | |
02f43ab4 TL |
180 | if (defined($sensitive{password})) { |
181 | cifs_set_credentials($sensitive{password}, $storeid); | |
72385de9 | 182 | if (!exists($scfg->{username})) { |
b4e88b7f | 183 | warn "storage $storeid: ignoring password parameter, no user set\n"; |
72385de9 | 184 | } |
e2fc55b4 DM |
185 | } else { |
186 | cifs_delete_credentials($storeid); | |
ab5e32bb | 187 | } |
f3ccd0ef FE |
188 | |
189 | return; | |
ab5e32bb TL |
190 | } |
191 | ||
192 | sub on_delete_hook { | |
193 | my ($class, $storeid, $scfg) = @_; | |
194 | ||
e2fc55b4 | 195 | cifs_delete_credentials($storeid); |
f3ccd0ef FE |
196 | |
197 | return; | |
ab5e32bb TL |
198 | } |
199 | ||
4792d439 WL |
200 | sub status { |
201 | my ($class, $storeid, $scfg, $cache) = @_; | |
202 | ||
203 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
204 | if !$cache->{mountdata}; | |
205 | ||
206 | my $path = $scfg->{path}; | |
207 | my $server = $scfg->{server}; | |
208 | my $share = $scfg->{share}; | |
209 | ||
210 | return undef | |
211 | if !cifs_is_mounted($server, $share, $path, $cache->{mountdata}); | |
212 | ||
213 | return $class->SUPER::status($storeid, $scfg, $cache); | |
214 | } | |
215 | ||
216 | sub activate_storage { | |
217 | my ($class, $storeid, $scfg, $cache) = @_; | |
218 | ||
219 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
220 | if !$cache->{mountdata}; | |
221 | ||
222 | my $path = $scfg->{path}; | |
223 | my $server = $scfg->{server}; | |
224 | my $share = $scfg->{share}; | |
225 | ||
226 | if (!cifs_is_mounted($server, $share, $path, $cache->{mountdata})) { | |
227 | ||
3160dbf1 | 228 | mkpath $path if !(defined($scfg->{mkdir}) && !$scfg->{mkdir}); |
4792d439 WL |
229 | |
230 | die "unable to activate storage '$storeid' - " . | |
231 | "directory '$path' does not exist\n" if ! -d $path; | |
232 | ||
233 | cifs_mount($server, $share, $path, $storeid, $scfg->{smbversion}, | |
234 | $scfg->{username}, $scfg->{domain}); | |
235 | } | |
236 | ||
237 | $class->SUPER::activate_storage($storeid, $scfg, $cache); | |
238 | } | |
239 | ||
240 | sub deactivate_storage { | |
241 | my ($class, $storeid, $scfg, $cache) = @_; | |
242 | ||
243 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
244 | if !$cache->{mountdata}; | |
245 | ||
246 | my $path = $scfg->{path}; | |
247 | my $server = $scfg->{server}; | |
248 | my $share = $scfg->{share}; | |
249 | ||
250 | if (cifs_is_mounted($server, $share, $path, $cache->{mountdata})) { | |
251 | my $cmd = ['/bin/umount', $path]; | |
252 | run_command($cmd, errmsg => 'umount error'); | |
253 | } | |
254 | } | |
255 | ||
256 | sub check_connection { | |
257 | my ($class, $storeid, $scfg) = @_; | |
258 | ||
ff6fa67f | 259 | my $servicename = '//'.$scfg->{server}.'/'.$scfg->{share}; |
4792d439 | 260 | |
e1667a22 | 261 | my $cmd = ['/usr/bin/smbclient', $servicename, '-d', '0']; |
4792d439 | 262 | |
e1667a22 TL |
263 | if (defined($scfg->{smbversion}) && $scfg->{smbversion} ne 'default') { |
264 | # max-protocol version, so basically only relevant for smb2 vs smb3 | |
265 | push @$cmd, '-m', "smb" . int($scfg->{smbversion}); | |
266 | } | |
4792d439 WL |
267 | |
268 | if (my $cred_file = get_cred_file($storeid)) { | |
269 | push @$cmd, '-U', $scfg->{username}, '-A', $cred_file; | |
270 | push @$cmd, '-W', $scfg->{domain} if defined($scfg->{domain}); | |
271 | } else { | |
272 | push @$cmd, '-U', 'Guest','-N'; | |
273 | } | |
ff6fa67f WL |
274 | push @$cmd, '-c', 'echo 1 0'; |
275 | ||
4792d439 | 276 | my $out_str; |
70232472 TL |
277 | my $out = sub { $out_str .= shift }; |
278 | ||
279 | eval { run_command($cmd, timeout => 10, outfunc => $out, errfunc => sub {}) }; | |
4792d439 WL |
280 | |
281 | if (my $err = $@) { | |
840e3797 WL |
282 | die "$out_str\n" if defined($out_str) && |
283 | ($out_str =~ m/NT_STATUS_ACCESS_DENIED/); | |
4792d439 WL |
284 | return 0; |
285 | } | |
286 | ||
287 | return 1; | |
288 | } | |
289 | ||
f1de8281 FE |
290 | # FIXME remove on the next APIAGE reset. |
291 | # Deprecated, use get_volume_attribute instead. | |
44fdfb2a TL |
292 | sub get_volume_notes { |
293 | my $class = shift; | |
294 | PVE::Storage::DirPlugin::get_volume_notes($class, @_); | |
295 | } | |
f1de8281 FE |
296 | |
297 | # FIXME remove on the next APIAGE reset. | |
298 | # Deprecated, use update_volume_attribute instead. | |
44fdfb2a TL |
299 | sub update_volume_notes { |
300 | my $class = shift; | |
301 | PVE::Storage::DirPlugin::update_volume_notes($class, @_); | |
302 | } | |
303 | ||
f1de8281 FE |
304 | sub get_volume_attribute { |
305 | return PVE::Storage::DirPlugin::get_volume_attribute(@_); | |
306 | } | |
307 | ||
308 | sub update_volume_attribute { | |
309 | return PVE::Storage::DirPlugin::update_volume_attribute(@_); | |
310 | } | |
311 | ||
4792d439 | 312 | 1; |