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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 ($storeid) = @_; | |
33 | ||
34 | return "/etc/pve/priv/${storeid}.cred"; | |
35 | } | |
36 | ||
37 | sub cifs_set_credentials { | |
38 | my ($password, $storeid) = @_; | |
39 | ||
40 | my $cred_file = cifs_cred_file_name($storeid); | |
41 | ||
42 | PVE::Tools::file_set_contents($cred_file, "password=$password\n"); | |
43 | ||
44 | return $cred_file; | |
45 | } | |
46 | ||
4792d439 WL |
47 | sub get_cred_file { |
48 | my ($storeid) = @_; | |
49 | ||
a9db2ca8 | 50 | my $cred_file = cifs_cred_file_name($storeid); |
4792d439 | 51 | |
a9db2ca8 | 52 | return -e $cred_file ? $cred_file : undef; |
4792d439 WL |
53 | } |
54 | ||
55 | sub cifs_mount { | |
56 | my ($server, $share, $mountpoint, $storeid, $smbver, $user, $domain) = @_; | |
57 | ||
58 | $server = "[$server]" if Net::IP::ip_is_ipv6($server); | |
59 | my $source = "//${server}/$share"; | |
60 | ||
61 | my $cmd = ['/bin/mount', '-t', 'cifs', $source, $mountpoint, '-o', 'soft', '-o']; | |
62 | ||
63 | if (my $cred_file = get_cred_file($storeid)) { | |
64 | push @$cmd, "username=$user", '-o', "credentials=$cred_file"; | |
65 | push @$cmd, '-o', "domain=$domain" if defined($domain); | |
66 | } else { | |
67 | push @$cmd, 'guest,username=guest'; | |
68 | } | |
69 | ||
70 | push @$cmd, '-o', defined($smbver) ? "vers=$smbver" : "vers=3.0"; | |
71 | ||
72 | run_command($cmd, errmsg => "mount error"); | |
73 | } | |
74 | ||
75 | # Configuration | |
76 | ||
77 | sub type { | |
78 | return 'cifs'; | |
79 | } | |
80 | ||
81 | sub plugindata { | |
82 | return { | |
83 | content => [ { images => 1, rootdir => 1, vztmpl => 1, iso => 1, | |
84 | backup => 1}, { images => 1 }], | |
85 | format => [ { raw => 1, qcow2 => 1, vmdk => 1 } , 'raw' ], | |
86 | }; | |
87 | } | |
88 | ||
89 | sub properties { | |
90 | return { | |
91 | share => { | |
92 | description => "CIFS share.", | |
93 | type => 'string', | |
94 | }, | |
95 | password => { | |
96 | description => "Password for CIFS share.", | |
97 | type => 'string', | |
98 | maxLength => 256, | |
99 | }, | |
100 | domain => { | |
101 | description => "CIFS domain.", | |
102 | type => 'string', | |
103 | optional => 1, | |
104 | maxLength => 256, | |
105 | }, | |
106 | smbversion => { | |
5bc3edb2 | 107 | description => "SMB protocol version", |
4792d439 | 108 | type => 'string', |
c2f12dc6 | 109 | enum => ['2.0', '2.1', '3.0'], |
4792d439 WL |
110 | optional => 1, |
111 | }, | |
112 | }; | |
113 | } | |
114 | ||
115 | sub options { | |
116 | return { | |
117 | path => { fixed => 1 }, | |
118 | server => { fixed => 1 }, | |
119 | share => { fixed => 1 }, | |
120 | nodes => { optional => 1 }, | |
121 | disable => { optional => 1 }, | |
122 | maxfiles => { optional => 1 }, | |
123 | content => { optional => 1 }, | |
124 | format => { optional => 1 }, | |
125 | username => { optional => 1 }, | |
126 | password => { optional => 1}, | |
127 | domain => { optional => 1}, | |
128 | smbversion => { optional => 1}, | |
3160dbf1 | 129 | mkdir => { optional => 1 }, |
4792d439 WL |
130 | }; |
131 | } | |
132 | ||
133 | ||
134 | sub check_config { | |
135 | my ($class, $sectionId, $config, $create, $skipSchemaCheck) = @_; | |
136 | ||
137 | $config->{path} = "/mnt/pve/$sectionId" if $create && !$config->{path}; | |
138 | ||
139 | return $class->SUPER::check_config($sectionId, $config, $create, $skipSchemaCheck); | |
140 | } | |
141 | ||
142 | # Storage implementation | |
143 | ||
144 | sub status { | |
145 | my ($class, $storeid, $scfg, $cache) = @_; | |
146 | ||
147 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
148 | if !$cache->{mountdata}; | |
149 | ||
150 | my $path = $scfg->{path}; | |
151 | my $server = $scfg->{server}; | |
152 | my $share = $scfg->{share}; | |
153 | ||
154 | return undef | |
155 | if !cifs_is_mounted($server, $share, $path, $cache->{mountdata}); | |
156 | ||
157 | return $class->SUPER::status($storeid, $scfg, $cache); | |
158 | } | |
159 | ||
160 | sub activate_storage { | |
161 | my ($class, $storeid, $scfg, $cache) = @_; | |
162 | ||
163 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
164 | if !$cache->{mountdata}; | |
165 | ||
166 | my $path = $scfg->{path}; | |
167 | my $server = $scfg->{server}; | |
168 | my $share = $scfg->{share}; | |
169 | ||
170 | if (!cifs_is_mounted($server, $share, $path, $cache->{mountdata})) { | |
171 | ||
3160dbf1 | 172 | mkpath $path if !(defined($scfg->{mkdir}) && !$scfg->{mkdir}); |
4792d439 WL |
173 | |
174 | die "unable to activate storage '$storeid' - " . | |
175 | "directory '$path' does not exist\n" if ! -d $path; | |
176 | ||
177 | cifs_mount($server, $share, $path, $storeid, $scfg->{smbversion}, | |
178 | $scfg->{username}, $scfg->{domain}); | |
179 | } | |
180 | ||
181 | $class->SUPER::activate_storage($storeid, $scfg, $cache); | |
182 | } | |
183 | ||
184 | sub deactivate_storage { | |
185 | my ($class, $storeid, $scfg, $cache) = @_; | |
186 | ||
187 | $cache->{mountdata} = PVE::ProcFSTools::parse_proc_mounts() | |
188 | if !$cache->{mountdata}; | |
189 | ||
190 | my $path = $scfg->{path}; | |
191 | my $server = $scfg->{server}; | |
192 | my $share = $scfg->{share}; | |
193 | ||
194 | if (cifs_is_mounted($server, $share, $path, $cache->{mountdata})) { | |
195 | my $cmd = ['/bin/umount', $path]; | |
196 | run_command($cmd, errmsg => 'umount error'); | |
197 | } | |
198 | } | |
199 | ||
200 | sub check_connection { | |
201 | my ($class, $storeid, $scfg) = @_; | |
202 | ||
ff6fa67f | 203 | my $servicename = '//'.$scfg->{server}.'/'.$scfg->{share}; |
4792d439 | 204 | |
ff6fa67f | 205 | my $cmd = ['/usr/bin/smbclient', $servicename, '-d', '0', '-m']; |
4792d439 WL |
206 | |
207 | push @$cmd, $scfg->{smbversion} ? "smb".int($scfg->{smbversion}) : 'smb3'; | |
208 | ||
209 | if (my $cred_file = get_cred_file($storeid)) { | |
210 | push @$cmd, '-U', $scfg->{username}, '-A', $cred_file; | |
211 | push @$cmd, '-W', $scfg->{domain} if defined($scfg->{domain}); | |
212 | } else { | |
213 | push @$cmd, '-U', 'Guest','-N'; | |
214 | } | |
215 | ||
ff6fa67f WL |
216 | push @$cmd, '-c', 'echo 1 0'; |
217 | ||
4792d439 WL |
218 | my $out_str; |
219 | eval { | |
220 | run_command($cmd, timeout => 2, outfunc => sub {$out_str .= shift;}, | |
221 | errfunc => sub {}); | |
222 | }; | |
223 | ||
224 | if (my $err = $@) { | |
840e3797 WL |
225 | die "$out_str\n" if defined($out_str) && |
226 | ($out_str =~ m/NT_STATUS_ACCESS_DENIED/); | |
4792d439 WL |
227 | return 0; |
228 | } | |
229 | ||
230 | return 1; | |
231 | } | |
232 | ||
233 | 1; |