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# ldap-useradmin-lib.pl # Module sponsored by # Sanitaetsbetrieb Brixen - Azienda Sanitaria di Bressanone # www.sb-brixen.it - www.as-bressanone.it BEGIN { push(@INC, ".."); }; use WebminCore; &init_config(); &foreign_require("useradmin"); &foreign_require("ldap-client"); %access = &get_module_acl(); $useradmin::access{'udelete'} = 1; # needed for users_table / groups_table $useradmin::access{'gdelete'} = 1; %utext = &load_language("useradmin"); foreach $t (keys %utext) { $text{$t} ||= $utext{$t}; } %mconfig = %useradmin::config; foreach my $k (keys %config) { if ($config{$k} ne "") { $mconfig{$k} = $config{$k}; } } eval "use Net::LDAP"; if ($@) { $net_ldap_error = $@; } else { $got_net_ldap++; } eval "use Net::IMAP"; if ($@) { $net_imap_error = $@; } else { $got_net_imap++; } $secret_file = "/etc/ldap.secret"; $samba_class = $config{'samba_class'} || "sambaAccount"; $samba_class =~ s/^\s+//; $samba_class =~ s/\s+$//; $samba_schema = lc($samba_class) eq lc("sambaSamAccount") ? 3 : 2; $samba_group_class = $config{'samba_gclass'} || "sambaGroup"; $samba_group_class =~ s/^\s+//; $samba_group_class =~ s/\s+$//; $samba_group_schema = lc($samba_group_class) eq lc("sambaSamGroup") || lc($samba_group_class) eq lc("sambaGroupMapping") ? 3 : 2; $cyrus_class = $config{'imap_class'} || "SuSEeMailObject"; $cyrus_class =~ s/^\s+//; $cyrus_class =~ s/\s+$//; if ($config{'charset'}) { $force_charset = $config{'charset'}; } # Search types $match_modes = [ [ 0, $text{'index_equals'} ], [ 1, $text{'index_contains'} ], [ 2, $text{'index_nequals'} ], [ 3, $text{'index_ncontains'} ], [ 6, $text{'index_lower'} ], [ 7, $text{'index_higher'} ] ]; # ldap_connect(return-error) # Connect to the LDAP server and return a handle to the Net::LDAP object sub ldap_connect { my $cfile = &ldap_client::get_ldap_config_file(); if (!$cfile || !-r $cfile) { # LDAP client config file not known .. force manual specification foreach my $f ("ldap_host", "login") { if (!$config{$f}) { if ($_[0]) { return $text{'conn_e'.$f}; } else { &error($text{'conn_e'.$f}); } } } } # If a bind credentials file is defined, read the password from the file # Otherwise, read the password from the "pass" config option my $ldapPassword; if ( $config{'ldap_pass_file'} ){ if (open my $fh, "<", $config{'ldap_pass_file'} ){ local $/; $ldapPassword = <$fh>; close($fh); } else { &error($text{'conn_efile_open'} . " " . $config{'ldap_pass_file'}); } } else { $ldapPassword = $config{'pass'}; } local $ldap = &ldap_client::generic_ldap_connect( $config{'ldap_host'}, $config{'ldap_port'}, $config{'ldap_tls'}, $config{'login'}, $ldapPassword); if (ref($ldap)) { return $ldap; } elsif ($_[0]) { return $ldap; } else { &error($ldap); } } # get_user_base() sub get_user_base { local $conf = &ldap_client::get_config(); local $passwd_base; foreach my $b (&ldap_client::find_value("base", $conf)) { if ($b =~ /^passwd\s+(\S+)/) { $passwd_base = $1; } } local $base = $config{'user_base'} || &ldap_client::find_svalue("nss_base_passwd", $conf) || $passwd_base || &ldap_client::find_svalue("base", $conf); $base =~ s/\?.*$//; return $base; } # get_group_base() sub get_group_base { local $conf = &ldap_client::get_config(); local $group_base; foreach my $b (&ldap_client::find_value("base", $conf)) { if ($b =~ /^group\s+(\S+)/) { $group_base = $1; } } local $base = $config{'group_base'} || &ldap_client::find_svalue("nss_base_group", $conf) || $group_base || &ldap_client::find_svalue("base", $conf); $base =~ s/\?.*$//; return $base; } # imap_connect(return-error) # Connect and login to the IMAP server sub imap_connect { local $imap = new Net::IMAP($config{'imap_host'}); if (!$imap) { local $err = &text('imap_econn', "<tt>$config{'imap_host'}</tt>"); if ($_[0]) { return $err; } else { &error($err); } } local $rv = $imap->login($config{'imap_login'}, $config{'imap_pass'}); if ($rv->{'Status'} ne 'ok') { local $err = &text('imap_elogin', "<tt>$config{'imap_host'}</tt>", "<tt>$config{'imap_login'}</tt>", $rv->{'Text'}); if ($_[0]) { return $err; } else { &error($err); } } return $imap; } # samba_password(password) # Converts a plain text string into two Samba passwords (nt and lm) with the # ntpasswd program. sub samba_password { local ($nt, $lm); &foreign_check("samba") || &error($text{'usave_esamba'}); &foreign_require("samba", "smbhash.pl"); $nt = &samba::nthash($_[0]); $lm = &samba::lmhash($_[0]); return ($nt, $lm); } # encrypt_password(string, [salt]) sub encrypt_password { local ($pass, $salt) = @_; &seed_random(); if ($config{'md5'} == 5) { # SHA encryption local $qp = quotemeta($pass); local $out = &backquote_command("$config{'slappasswd'} -h '{sha}' -s $qp 2>/dev/null"); if ($out && !$?) { $out =~ s/\s+$//; $out =~ s/^\{sha\}//i; return $out; } # Fall back to built-in code $out = &useradmin::encrypt_sha1($pass); $out =~ s/^\{sha\}//i; return $out; } if ($config{'md5'} == 4) { # LDAP SSHA encryption local $qp = quotemeta($pass); local $out = &backquote_command("$config{'slappasswd'} -h '{ssha}' -s $qp 2>/dev/null"); if ($?) { &error("$config{'slappasswd'} command failed to generate ssha password : $out"); } $out =~ s/\s+$//; $out =~ s/^\{ssha\}//i; return $out; } if ($config{'md5'} == 3) { # LDAP MD5 encryption local $qp = quotemeta($pass); local $out = &backquote_command("$config{'slappasswd'} -h '{md5}' -s $qp 2>/dev/null"); $out =~ s/\s+$//; $out =~ s/^\{md5\}//i; return $out; } if ($config{'md5'} == 6) { # SHA512 encryption local $err = &useradmin::check_sha512(); if ($err) { &error($text{'usave_edigestsha512'}); } local $out = &useradmin::encrypt_sha512($pass, $salt); return "{CRYPT}" . $out; } if ($config{'md5'} == 1) { # Unix MD5 encryption &foreign_require("useradmin", "user-lib.pl"); return &useradmin::encrypt_md5($pass, $salt); } elsif ($config{'md5'} == 0) { # Standard Unix crypt $salt ||= chr(int(rand(26))+65).chr(int(rand(26))+65); return &unix_crypt($pass, $salt); } else { # No encryption! return $pass; } } # list_users() # Returns a list of users, in the same format as the useradmin module sub list_users { if (!scalar(@list_users_cache)) { local $ldap = &ldap_connect(); local $base = &get_user_base(); local $rv = $ldap->search(base => $base, filter => &user_filter()); local $u; foreach $u ($rv->all_entries) { local %uinfo = &dn_to_hash($u); push(@list_users_cache, \%uinfo); } $ldap->unbind(); } return @list_users_cache; } # create_user(&user) # Given a user details hash in the same format as the useradmin module, add # it to the LDAP database sub create_user { my ($user) = @_; my $ldap = &ldap_connect(); my $base = &get_user_base(); $user->{'dn'} = "uid=$user->{'user'},$base"; my @classes = ( &def_user_obj_class(), "shadowAccount", split(/\s+/, $config{'other_class'}), @{$user->{'ldap_class'}} ); my $schema = $ldap->schema(); if ($schema->objectclass("person") && $config{'person'}) { push(@classes, "person"); } if ($config{'given'}) { push(@classes, $config{'given_class'}); } @classes = &uniquelc(@classes); @classes = grep { /\S/ } @classes; # Remove empty my @attrs = &user_to_dn($user); push(@attrs, &split_props($config{'props'}, $user)); push(@attrs, @{$user->{'ldap_attrs'}}); push(@attrs, "objectClass" => \@classes); if (&indexoflc("person", @classes) >= 0 && !&in_props(\@attrs, "sn")) { # Person needs 'sn' push(@attrs, "sn", &in_props(\@attrs, "cn")); } my $rv = $ldap->add($user->{'dn'}, attr => \@attrs); if ($rv->code) { &error(&text('usave_eadd', $rv->error)); } push(@list_users_cache, $user) if (scalar(@list_users_cache)); $ldap->unbind(); &useradmin::refresh_nscd() if (!$batch_mode); } # delete_user(&user) # Given a user details hash in the same format as the useradmin module, removes # it from the LDAP database sub delete_user { my ($user) = @_; my $ldap = &ldap_connect(); my $rv = $ldap->delete($user->{'dn'}); if ($rv->code) { my $err = $rv->error; if ($err !~ /No such object/i) { &error(&text('usave_edelete', $err)); } } $ldap->unbind(); @list_users_cache = grep { $_ ne $user } @list_users_cache if (scalar(@list_users_cache)); &useradmin::refresh_nscd() if (!$batch_mode); } # modify_user(&olduser, &newuser) sub modify_user { my ($olduser, $user) = @_; my $ldap = &ldap_connect(); my $base = &get_user_base(); my @attrs = &user_to_dn($user); push(@attrs, &split_props($config{'mod_props'}, $user)); push(@attrs, @{$user->{'ldap_attrs'}}); if ($user->{'ldap_class'} && (!ref($user->{'ldap_class'}) || @{$user->{'ldap_class'}})) { push(@attrs, "objectClass" => $user->{'ldap_class'}); } if (&indexoflc("person", @{$user->{'ldap_class'}}) >= 0 && !&in_props(\@attrs, "sn")) { # Person needs 'sn' push(@attrs, "sn", &in_props(\@attrs, "cn")); } my %replace; for(my $i=0; $i<@attrs; $i+=2) { $replace{$attrs[$i]} ||= [ ]; my $v = $attrs[$i+1]; push(@{$replace{$attrs[$i]}}, ref($v) ? @$v : $v); } if ($olduser->{'pass'} eq $user->{'pass'}) { # Don't change password attribute if not change delete($replace{'userPassword'}); } # Do rename to new DN first if ($olduser->{'user'} ne $user->{'user'}) { my $newdn = $olduser->{'dn'}; if ($newdn !~ s/^uid=$olduser->{'user'},/uid=$user->{'user'},/) { $newdn = "uid=$user->{'user'},$base"; } if (!&same_dn($newdn, $olduser->{'dn'})) { $rv = $ldap->moddn($olduser->{'dn'}, newrdn => "uid=$user->{'user'}"); if ($rv->code) { &error(&text('usave_emoddn', $rv->error)); } $user->{'dn'} = $newdn; } } my $rv = $ldap->modify($user->{'dn'}, replace => \%replace); if ($rv->code) { &error(&text('usave_emod', $rv->error)); } if ($olduser ne $user && &indexof($olduser, @list_users_cache) != -1) { # Update old object in cache %{$olduser} = %{$user}; } $ldap->unbind(); &useradmin::refresh_nscd() if (!$batch_mode); } # list_groups() # Returns a list of groups, in the same format as the useradmin module sub list_groups { if (!scalar(@list_groups_cache)) { local $ldap = &ldap_connect(); local $base = &get_group_base(); local $rv = $ldap->search(base => $base, filter => &group_filter()); local $g; foreach $g ($rv->all_entries) { local %ginfo = &dn_to_hash($g); push(@list_groups_cache, \%ginfo); } $ldap->unbind(); } return @list_groups_cache; } # create_group(&group) # Given a group details hash in the same format as the useradmin module, add # it to the LDAP database sub create_group { local $ldap = &ldap_connect(); local $base = &get_group_base(); $_[0]->{'dn'} = "cn=$_[0]->{'group'},$base"; local @classes = ( &def_group_obj_class() ); push(@classes, split(/\s+/, $config{'gother_class'})); @classes = &uniquelc(@classes); local @attrs = &group_to_dn($_[0]); push(@attrs, @{$_[0]->{'ldap_attrs'}}); push(@attrs, "objectClass" => \@classes); local $rv = $ldap->add($_[0]->{'dn'}, attr => \@attrs); if ($rv->code) { &error(&text('gsave_eadd', $rv->error)); } push(@list_groups_cache, $_[0]) if (scalar(@list_groups_cache)); $ldap->unbind(); &useradmin::refresh_nscd() if (!$batch_mode); } # delete_group(&group) # Given a group details hash in the same format as the useradmin module, removes # it from the LDAP database sub delete_group { local $ldap = &ldap_connect(); local $rv = $ldap->delete($_[0]->{'dn'}); if ($rv->code) { my $err = $rv->error; if ($err !~ /No such object/i) { &error(&text('gsave_edelete', $err)); } } $ldap->unbind(); @list_groups_cache = grep { $_ ne $_[0] } @list_groups_cache if (scalar(@list_groups_cache)); &useradmin::refresh_nscd() if (!$batch_mode); } # modify_group(&oldgroup, &newgroup) sub modify_group { local $ldap = &ldap_connect(); local $base = &get_group_base(); local @attrs = &group_to_dn($_[1]); push(@attrs, @{$_[0]->{'ldap_attrs'}}); # Do rename to new DN first if ($_[0]->{'group'} ne $_[1]->{'group'}) { local $newdn = $_[0]->{'dn'}; if ($newdn !~ s/^cn=$_[0]->{'group'},/cn=$_[1]->{'group'},/) { $newdn = "cn=$_[1]->{'group'},$base"; } if (!&same_dn($newdn, $_[0]->{'dn'})) { $rv = $ldap->moddn($_[0]->{'dn'}, newrdn => "cn=$_[1]->{'group'}"); if ($rv->code) { &error(&text('gsave_emoddn', $rv->error)); } $_[1]->{'dn'} = $newdn; } } local $rv = $ldap->modify($_[1]->{'dn'}, replace => { @attrs }); if ($rv->code) { &error(&text('gsave_emod', $rv->error)); } if ($_[0] ne $_[1] && &indexof($_[0], @list_groups_cache) != -1) { # Update old object in cache %{$_[0]} = %{$_[1]}; } $ldap->unbind(); &useradmin::refresh_nscd() if (!$batch_mode); } # dn_to_hash(&ldap-object) # Given a LDAP object containing user or group details, convert it to a hash # in the same format uses by the useradmin module sub dn_to_hash { my ($obj) = @_; if ($obj->get_value("uid")) { my %user = ( 'dn' => $obj->dn(), 'user' => $obj->get_value("uid"), 'uid' => $obj->get_value("uidNumber"), 'gid' => $obj->get_value("gidNumber"), 'real' => $obj->get_value("cn"), 'home' => $obj->get_value("homeDirectory"), 'shell' => $obj->get_value("loginShell"), 'pass' => $obj->get_value("userPassword"), 'change' => $obj->get_value("shadowLastChange") || "", 'expire' => $obj->get_value("shadowExpire") || "", 'min' => $obj->get_value("shadowMin") || "", 'max' => $obj->get_value("shadowMax") || "", 'warn' => $obj->get_value("shadowWarning") || "", 'inactive' => $obj->get_value("shadowInactive") || "", ); if ($config{'given'}) { $user{'firstname'} = $obj->get_value("givenName"); $user{'surname'} = $obj->get_value("sn"); } $user{'pass'} =~ s/^(\!?)\{[a-z0-9]+\}/$1/i; $user{'all_ldap_attrs'} = { map { lc($_), scalar($obj->get_value($_)) } $obj->attributes() }; $user{'ldap_class'} = [ $obj->get_value('objectClass') ]; return %user; } else { my @members = $obj->get_value('memberUid'); my %group = ( 'dn' => $obj->dn(), 'group' => $obj->get_value("cn"), 'gid' => $obj->get_value("gidNumber"), 'pass' => $obj->get_value("userPassword") || "", 'members' => join(",", @members) || "", 'desc' => $obj->get_value("description"), ); return %group; } } # user_to_dn(&user) # Given a useradmin-style user hash, returns a list of properties sub user_to_dn { my ($user) = @_; my $pfx = $user->{'pass'} =~ /^\{[a-z0-9]+\}/i ? undef : $user->{'pass'} =~ /^\$1\$/ ? "{md5}" : $user->{'pass'} =~ /^[a-zA-Z0-9\.\/]{13}$/ ? "{crypt}" : $config{'md5'} == 1 || $config{'md5'} == 3 ? "{md5}" : $config{'md5'} == 4 ? "{ssha}" : $config{'md5'} == 0 ? "{crypt}" : ""; my $pass = $user->{'pass'}; my $disabled; if ($pass =~ s/^\!//) { $disabled = "!"; } my $cn = $user->{'real'} eq '' ? $user->{'user'} : $user->{'real'}; return ( "cn" => $cn, "uid" => $user->{'user'}, "uidNumber" => $user->{'uid'}, "loginShell" => $user->{'shell'}, "homeDirectory" => $user->{'home'}, "gidNumber" => $user->{'gid'}, "userPassword" => $disabled.$pfx.$pass, $user->{'change'} eq '' ? ( ) : ( "shadowLastChange" => $user->{'change'} ), $user->{'expire'} eq '' ? ( ) : ( "shadowExpire" => $user->{'expire'} ), $user->{'min'} eq '' ? ( ) : ( "shadowMin" => $user->{'min'} ), $user->{'max'} eq '' ? ( ) : ( "shadowMax" => $user->{'max'} ), $user->{'warn'} eq '' ? ( ) : ( "shadowWarning" => $user->{'warn'} ), $user->{'inactive'} eq '' ? ( ) : ( "shadowInactive" => $user->{'inactive'} ), $user->{'firstname'} eq '' ? ( ) : ( "givenName" => $user->{'firstname'} ), $user->{'surname'} eq '' ? ( ) : ( "sn" => $user->{'surname'} ), ); } # group_to_dn(&group) # Given a useradmin-style group hash, returns a list of properties sub group_to_dn { my ($group) = @_; my @members = split(/,/, $group->{'members'}); return ( "cn" => $group->{'group'}, "gidNumber" => $group->{'gid'}, "userPassword" => $group->{'pass'}, @members ? ( "memberUid" => \@members ) : ( ), defined($group->{'desc'}) ? ( "description" => $group->{'desc'} ) : ( ), ); } # making_changes() # Called before the LDAP database has been updated, to run the pre-changes # command. sub making_changes { if ($config{'pre_command'} =~ /\S/) { local $out = &backquote_logged("($config{'pre_command'}) 2>&1 </dev/null"); return $? ? $out : undef; } return undef; } # made_changes() # Called after the LDAP database has been updated, to run the post-changes # command. sub made_changes { if ($config{'post_command'} =~ /\S/) { local $out = &backquote_logged("($config{'post_command'}) 2>&1 </dev/null"); return $? ? $out : undef; } return undef; } # set_user_envs(&hash, action, [plainpass], [secondary], # [&olduser], [oldplainpass]) # Just call the useradmin function of the same name sub set_user_envs { local $rv = &useradmin::set_user_envs(@_); if ($_[0]->{'all_ldap_attrs'}) { foreach my $a (keys %{$_[0]->{'all_ldap_attrs'}}) { my $v = $_[0]->{'all_ldap_attrs'}->{$a}; $ENV{'USERADMIN_LDAP_'.uc($a)} = $v; } } if ($_[5]->{'all_ldap_attrs'}) { foreach my $a (keys %{$_[5]->{'all_ldap_attrs'}}) { my $v = $_[5]->{'all_ldap_attrs'}->{$a}; $ENV{'USERADMIN_OLD_LDAP_'.uc($a)} = $v; } } return $rv; } # Just call the useradmin function of the same name sub set_group_envs { return &useradmin::set_group_envs(@_); } # Locks a dummy file, to indicate that the DB is in use sub lock_user_files { &lock_file("$module_config_directory/ldapdb"); } sub unlock_user_files { &unlock_file("$module_config_directory/ldapdb"); } # split_props(text, &user) sub split_props { local %pmap; foreach $p (split(/\t+/, &substitute_template($_[0], $_[1]))) { if ($p =~ /^(\S+):\s*(.*)/) { push(@{$pmap{$1}}, $2); } } local @rv; local $k; foreach $k (keys %pmap) { local $v = $pmap{$k}; if (@$v == 1) { push(@rv, $k, $v->[0]); } else { push(@rv, $k, $v); } } return @rv; } # build_user_used([&uid-hash], [&shell-list], [&username-hash]) # Fills in a hash with used UIDs, shells and usernames sub build_user_used { setpwent(); local @u; while(@u = getpwent()) { $_[0]->{$u[2]}++ if ($_[0]); push(@{$_[1]}, $u[8]) if ($_[1] && $u[8]); $_[2]->{$u[0]}++ if ($_[2]); } endpwent(); local $u; foreach $u (&list_users()) { $_[0]->{$u->{'uid'}}++ if ($_[0]); push(@{$_[1]}, $u->{'shell'}) if ($_[1] && $u->{'shell'}); $_[2]->{$u->{'user'}}++ if ($_[2]); } } # build_group_used([&uid-hash], [&groupname-hash]) sub build_group_used { setgrent(); local @g; while(@g = getgrent()) { $_[0]->{$g[2]}++ if ($_[0]); $_[1]->{$g[0]}++ if ($_[1]); } endgrent(); local $g; foreach $g (&list_groups()) { $_[0]->{$g->{'gid'}}++ if ($_[0]); $_[1]->{$g->{'group'}}++ if ($_[1]); } } # allocate_uid(&uids-used) sub allocate_uid { local $rv = $mconfig{'base_uid'}; while($_[0]->{$rv}) { $rv++; } return $rv; } # allocate_gid(&gids-used) sub allocate_gid { local $rv = $mconfig{'base_gid'}; while($_[0]->{$rv}) { $rv++; } return $rv; } # check_uid_used(&ldap, uid) # Returns 1 if some UID has been already used, either by LDAP or a local user sub check_uid_used { local ($ldap, $uid) = @_; local $localuser = getpwuid($uid); return 1 if ($localuser); local $rv = $ldap->search('base' => &get_user_base(), 'filter' => "(uidNumber=$uid)"); return $rv->count ? 1 : 0; } # check_user_used(&ldap, user) # Returns 1 if some username has been already used, either by LDAP or a # local user sub check_user_used { local ($ldap, $user) = @_; local @localuser = getpwnam($user); return 1 if (@localuser); local $rv = $ldap->search('base' => &get_user_base(), 'filter' => "(uid=$user)"); return $rv->count ? 1 : 0; } # check_gid_used(&ldap, gid) # Returns 1 if some GID has been already used, either by LDAP or a local group sub check_gid_used { local ($ldap, $gid) = @_; local $localgroup = getgrgid($gid); return 1 if ($localgroup); local $rv = $ldap->search('base' => &get_group_base(), 'filter' => "(gidNumber=$gid)"); return $rv->count ? 1 : 0; } # check_group_used(&ldap, group) # Returns 1 if some groupname has been already used, either by LDAP or a # local group sub check_group_used { local ($ldap, $group) = @_; local @localgroup = getgrnam($group); return 1 if (@localgroup); local $rv = $ldap->search('base' => &get_group_base(), 'filter' => "(cn=$group)"); return $rv->count ? 1 : 0; } # same_dn(dn1, dn2) # Returns 1 if two DNs are the same sub same_dn { local $dn0 = join(",", split(/,\s*/, $_[0])); local $dn1 = join(",", split(/,\s*/, $_[1])); return lc($dn0) eq lc($dn1); } # all_getpwnam(username) # Look up a user by name, and return his details in array format. Searches # both LDAP and the local users DB. sub all_getpwnam { local @uinfo = getpwnam($_[0]); if (scalar(@uinfo)) { return wantarray ? @uinfo : $uinfo[2]; } local $u; foreach $u (&list_users()) { return &pw_user_rv($u, wantarray, 'uid') if ($u->{'user'} eq $_[0]); } return wantarray ? () : undef; } # all_getpwuid(uid) # Look up a user by UID, and return his details in array format. Searches # both LDAP and the local users DB. sub all_getpwuid { local @uinfo = getpwuid($_[0]); if (scalar(@uinfo)) { return wantarray ? @uinfo : $uinfo[0]; } local $u; foreach $u (&list_users()) { return &pw_user_rv($u, wantarray, 'user') if ($u->{'uid'} == $_[0]); } return wantarray ? () : undef; } # all_getgrgid(gid) # Look up a group by GID, and return its details in array format. Searches # both LDAP and the local groups DB. sub all_getgrgid { local @ginfo = getgrgid($_[0]); if (scalar(@ginfo)) { return wantarray ? @ginfo : $ginfo[0]; } local $g; foreach $g (&list_groups()) { return &gr_group_rv($g, wantarray, 'group') if ($g->{'gid'} == $_[0]); } return wantarray ? () : undef; } # all_getgrnam(groupname) # Look up a group by name, and return its details in array format. Searches # both LDAP and the local groups DB. sub all_getgrnam { local @ginfo = getgrnam($_[0]); if (scalar(@ginfo)) { return wantarray ? @ginfo : $ginfo[2]; } local $g; foreach $g (&list_groups()) { return &gr_group_rv($g, wantarray, 'gid') if ($g->{'group'} eq $_[0]); } return wantarray ? () : undef; } sub gr_group_rv { return $_[1] ? ( $_[0]->{'group'}, $_[0]->{'pass'}, $_[0]->{'gid'}, $_[0]->{'members'} ) : $_[0]->{$_[2]}; } sub pw_user_rv { return $_[0] ? ( $_[0]->{'user'}, $_[0]->{'pass'}, $_[0]->{'uid'}, $_[0]->{'gid'}, undef, undef, $_[0]->{'real'}, $_[0]->{'home'}, $_[0]->{'shell'}, undef ) : $_[0]->{$_[2]}; } # auto_home_dir(base, username, groupname) # Returns an automatically generated home directory, and creates needed # parent dirs sub auto_home_dir { local $pfx = $_[0] eq "/" ? "/" : $_[0]."/"; if ($mconfig{'home_style'} == 0) { return $pfx.$_[1]; } elsif ($mconfig{'home_style'} == 1) { &useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)); return $pfx.substr($_[1], 0, 1)."/".$_[1]; } elsif ($mconfig{'home_style'} == 2) { &useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)); &useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)."/". substr($_[1], 0, 2)); return $pfx.substr($_[1], 0, 1)."/". substr($_[1], 0, 2)."/".$_[1]; } elsif ($mconfig{'home_style'} == 3) { &useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)); &useradmin::mkdir_if_needed($pfx.substr($_[1], 0, 1)."/". substr($_[1], 1, 1)); return $pfx.substr($_[1], 0, 1)."/". substr($_[1], 1, 1)."/".$_[1]; } elsif ($mconfig{'home_style'} == 4) { return $_[0]; } elsif ($mconfig{'home_style'} == 5) { return $pfx.$_[2]."/".$_[1]; } } # imap_error(text, &rv) sub imap_error { &error_setup(undef); &error(&text('usave_eimap', $_[0], $_[1]->{'Text'})); } # setup_imap(&user, quota-in-kb) # Create an IMAP account for a user sub setup_imap { local ($user, $quota) = @_; # Check if the user already exists local $imap = &imap_connect(); local $rv = $imap->status("user".$user{'imap_foldersep'}.$user->{'user'}, "messages"); if ($rv->{'Status'} eq 'ok') { # Already exists, so do nothing $imap->logout(); } else { # Create the user on the IMAP server $rv = $imap->create("user".$config{'imap_foldersep'}.$user->{'user'}); $rv->{'Status'} eq 'ok' || &imap_error($text{'usave_eicreate'}, $rv); # Grant all rights to admin user $rv = $imap->setacl("user".$config{'imap_foldersep'}.$user->{'user'}, $config{'imap_login'}, "lrswipcda"); $rv->{'Status'} eq 'ok' || &imap_error($text{'usave_eiacl'}, $rv); if (defined($quota) && $config{'quota_support'}) { # Set his IMAP quota $rv = $imap->setquota("user".$config{'imap_foldersep'}.$user->{'user'}, "STORAGE", $quota); $rv->{'Status'} eq 'ok' || &imap_error($text{'usave_eiquota'}, $rv); } # Subscribe the user to his inbox by logging in # as him $imap->logout(); $uimap = new Net::IMAP($config{'imap_host'}); $rv = $uimap->login($user->{'user'}, $user->{'plainpass'}); $rv->{'Status'} eq 'ok' || &imap_error($text{'usave_eilogin'}, $rv); $rv = $uimap->subscribe("INBOX"); $rv->{'Status'} eq 'ok' || &imap_error(&text('usave_eisub', "INBOX"), $rv); foreach $f (split(/\t+/, $config{'imap_folders'})) { local $fp = $config{'imap_folderalt'} ? "user$config{'imap_foldersep'}$user->{'user'}$config{'imap_foldersep'}$f" : $f; $rv = $uimap->create($fp); $rv->{'Status'} eq 'ok' || &imap_error(&text('usave_eifolder',$f),$rv); $rv = $uimap->subscribe($fp); $rv->{'Status'} eq 'ok' || &imap_error(&text('usave_eisub', $f), $rv); } $uimap->logout(); } # Re-connect for later LDAP operations $ldap = &ldap_connect(); } # set_imap_quota(&user, quota-in-kb) # Change the quota for an IMAP user sub set_imap_quota { local ($user, $quota) = @_; # Check if the user already exists local $imap = &imap_connect(); local $rv = $imap->status("user".$config{'imap_foldersep'}.$user->{'user'}, "messages"); if ($rv->{'Status'} eq 'ok') { # Set his IMAP quota $rv = $imap->setquota("user".$config{'imap_foldersep'}.$user->{'user'}, "STORAGE", $quota); $rv->{'Status'} eq 'ok' || &imap_error($text{'usave_eiquota'}, $rv); } } # setup_addressbook(&user) sub setup_addressbook { local $ldap = &ldap_connect(); local $rv = $ldap->add("ou=$_[0]->{'user'}, $config{'addressbook'}", attr => [ "ou" => $_[0]->{'user'}, "objectClass" => [ "top", "organizationalUnit" ] ] ); if ($rv->code) { &error(&text('usave_ebook', $rv->error)); } $ldap->unbind(); } # other_modules(function, arg, ...) # Call some function in the useradmin_update.pl file in other modules sub other_modules { return &useradmin::other_modules(@_); } # lock_user_files() # Does nothing, because no locking is needed for LDAP sub lock_user_files { } # unlock_user_files() # Does nothing, because no locking is needed for LDAP sub unlock_user_files { } # in_schema(schema, attrname) sub in_schema { return $_[0] && $_[0]->attribute($_[1]); } # extra_fields_input(fields-list, &user|&group, &tds) sub extra_fields_input { my ($fields, $uinfo, $tds) = @_; my @fields = map { [ split(/\s+/, $_, 2) ] } split(/\t/, $fields); if (@fields) { print &ui_table_start($text{'uedit_fields'}, "width=100%", 4, $tds); my $i = 0; foreach my $f (@fields) { my ($multi) = ($f->[0] =~ s/\+$//); my @v; if ($in{'new'}) { $v[0] = $in{lc($f->[0])}; } else { @v = $uinfo->get_value($f->[0]); } my $input; if ($config{'multi_fields'} || @v > 1 || $multi) { $input = &ui_textarea("field_$i", join("\n", @v), 3, 25); } else { $input = &ui_textbox("field_$i", $v[0], 25); } print &ui_table_row($f->[1], $input); $i++; } print &ui_table_end(); } } # parse_extra_fields(fields-list, &props, &rprops, &ldap, [dn]) sub parse_extra_fields { local ($fields, $props, $rprops, $ldap, $dn) = @_; local @fields = map { [ split(/\s+/, $_, 2) ] } split(/\t/, $fields); local %noclash = map { lc($_), 1 } split(/\s+/, $config{'noclash'}); local %already = map { lc($_), 1 } (@$props, @$rprops); local $i = 0; local $f; foreach $f (@fields) { $f->[0] =~ s/\+$//; if ($already{lc($f->[0])}) { # Skip fields set by Webmin $i++; next; } if ($in{"field_$i"} eq "") { push(@$rprops, $f->[0]); } else { $in{"field_$i"} =~ s/\r//g; local @v = split(/\n/, $in{"field_$i"}); if ($noclash{lc($f->[0])}) { ($dup, $dupwhat) = &check_duplicates($ldap, $f->[0], \@v, $dn); if ($dup && $dup->get_value('uid')) { &error(&text('usave_eattrdupu', $dup->get_value('uid'), $f->[1], $dupwhat)); } elsif ($dup && $dup->get_value('cn')) { &error(&text('usave_eattrdupg', $dup->get_value('cn'), $f->[1], $dupwhat)); } elsif ($dup) { &error(&text('usave_eattrdup', $dup->dn(), $f->[1], $dupwhat)); } } push(@$props, $f->[0], @v == 1 ? $v[0] : \@v); } $i++; } } # can_edit_user(&user) sub can_edit_user { return &useradmin::can_edit_user(\%access, $_[0]); } # can_edit_group(&group) sub can_edit_group { return &useradmin::can_edit_group(\%access, $_[0]); } # samba_properties(new, &user, passmode, password, schema, &props, &ldap) # Fills the &props array with properties needed for a Samba user sub samba_properties { local ($new, $user, $passmode, $pass, $schema, $props, $ldap) = @_; # Work out the Samba password local $xes = ("X" x 32); local ($nt, $lm, $opts); if ($passmode == 0) { # No password needed $nt = "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX"; $lm = $nt; $opts = "UN"; } elsif ($passmode == 1 || $passmode == 2) { # No login allowed, or pre-encrypted password # that we cannot support $nt = $xes; $lm = $xes; $opts = "UD"; } elsif ($passmode == 3) { # Plain-text password to convert ($nt, $lm) = &samba_password($pass); $opts = "U"; push(@$props, "sambaPwdLastSet", time()) if (&in_schema($schema, "sambaPwdLastSet")); push(@$props, "sambaPwdCanChange", time()) if (&in_schema($schema, "sambaPwdCanChange")); } elsif ($passmode == 4) { # No change } if (defined($nt)) { if ($samba_schema == 3) { push(@$props, "sambaNTPassword", $nt) if (&in_schema($schema, "sambaNTPassword")); push(@$props, "sambaLMPassword", $lm) if (&in_schema($schema, "sambaLMPassword")); } else { push(@$props, "ntPassword", $nt) if (&in_schema($schema, "ntPassword")); push(@$props, "lmPassword", $lm) if (&in_schema($schema, "lmPassword")); } } if ($new) { # Set other samba-related options push(@$props, "ntuid", $user->{'user'}) if (&in_schema($schema, "ntuid") && $samba_schema == 2); push(@$props, "rid", $user->{'uid'}*2+1000) if (&in_schema($schema, "rid") && $samba_schema == 2); push(@$props, "sambaSID", $config{'samba_domain'}.'-'.($user->{'uid'}*2+1000)) if (&in_schema($schema, "sambaSID") && $samba_schema == 3); if (&in_schema($schema, "sambaPrimaryGroupSID") && $samba_schema == 3 && $config{'samba_gid'} ne 'none') { # Set primary group SID if ($config{'samba_gid'}) { # Fixed value push(@$props, "sambaPrimaryGroupSID", $config{'samba_gid'}); } else { # Find existing group with the same GID local $base = &get_group_base(); local $rv = $ldap->search(base => $base, filter => "(&".&group_filter(). "(gidNumber=$user->{'gid'}))"); local ($ginfo) = $rv->all_entries; if ($ginfo && $ginfo->get_value("sambaSID")) { # We can get the SID from the actual group push(@$props, "sambaPrimaryGroupSID", $ginfo->get_value("sambaSID")); } else { # Based on the GID push(@$props, "sambaPrimaryGroupSID", $user->{'gid'}*2+1001); } } } } if (defined($opts)) { push(@$props, "acctFlags", sprintf("[%-11s]", $opts)) if (&in_schema($schema, "acctFlags") && $samba_schema == 2); push(@$props, "sambaAcctFlags", sprintf("[%-11s]",$opts)) if (&in_schema($schema, "sambaAcctFlags") && $samba_schema == 3); } push(@$props, &split_props($config{'samba_props'}, $user)); } # samba_removes(&user, schema, &props) # Adds to a list of properties to remove for a Samba user sub samba_removes { local ($user, $schema, $rprops) = @_; if ($samba_schema == 2) { push(@$rprops, "ntPassword", "lmPassword", "ntuid", "rid", "acctFlags") } if ($samba_schema == 3) { push(@$rprops, "sambaNTPassword", "sambaLMPassword", "sambaSID", "sambaAcctFlags", "sambaPrimaryGroupSID", "sambaPwdLastSet", "sambaPwdCanChange"); } push(@$rprops, &split_first($config{'samba_props'})); } # split_first(string) # Returns only the property names from a multi-line name: value property list sub split_first { local @rv; foreach $p (split(/\t+/, $_[0])) { if ($p =~ /^(\S+):\s*(.*)/) { push(@rv, $1); } } return @rv; } # check_duplicates(&ldap, name, &values, [dn]) # Returns a DN object and the clashing value if some other user has an # attribute with the same name and value sub check_duplicates { local ($ldap, $name, $values, $dn) = @_; local $base = &get_user_base(); foreach my $v (@$values) { local $search = "($name=$v)"; $rv = $ldap->search(base => $base, filter => $search); next if ($rv->code); foreach my $u ($rv->all_entries) { if ($u->dn() ne $dn) { return ($u, $v); } } } return (); } # delete_ldap_subtree(&ldap, dn) # Deletes an LDAP entry and all those below it. Returns undef on success, or # an errpr message on failure. sub delete_ldap_subtree { local ($ldap, $dn) = @_; local $rv = $ldap->search(base => $dn, scope => 'one', filter => '(objectClass=*)'); if ($rv->code) { print "subtree search error ",$rv->error,"<br>\n"; } foreach my $e ($rv->all_entries) { &delete_ldap_subtree($ldap, $e->dn()); } local $rv = $ldap->delete($dn); return $rv->code ? $rv->error : undef; } # remove_accents(text) # Given some text with european accented characters, convert them to ascii sub remove_accents { local ($string) = @_; eval "use Text::Unidecode; use utf8;"; if (!$@) { utf8::decode($string); $string = Text::Unidecode::unidecode($string); } $string =~ s/[\177-\377]//g; # Fallback - remove all non-ascii chars return $string; } # in_props(&props, name) # Looks up the value of a named property in a list sub in_props { local ($props, $name) = @_; for(my $i=0; $i<@$props; $i++) { if (lc($props->[$i]) eq lc($name)) { return $props->[$i+1]; } } return undef; } # user_filter() # Returns an LDAP filter expression to find users sub user_filter { my $rv = "(objectClass=".&def_user_obj_class().")"; if ($config{'user_filter'}) { $rv = "(&".$rv."(".$config{'user_filter'}."))"; } return $rv; } # group_filter() # Returns an LDAP filter expression to find groups sub group_filter { my $rv = "(objectClass=".&def_group_obj_class().")"; if ($config{'group_filter'}) { $rv = "(&".$rv."(".$config{'group_filter'}."))"; } return $rv; } # def_user_obj_class() # Returns the objectClass to use for LDAP users # Default is "posixAccount" if not overridden sub def_user_obj_class { my $userObjClass = "posixAccount"; if ($config{'custom_user_obj_class'}){ $userObjClass = $config{'custom_user_obj_class'}; } return $userObjClass; } # def_group_obj_class() # Returns the objectClass to use for LDAP groups # Default is "posixGroup" if not overridden sub def_group_obj_class { my $groupObjClass = "posixGroup"; if ($config{'custom_group_obj_class'}){ $groupObjClass = $config{'custom_group_obj_class'}; } return $groupObjClass; } 1;
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