use strict;
use warnings;
-use POSIX qw(:sys_wait_h EINTR);
-use IO::Handle;
-use IO::File;
-use IO::Select;
-use Fcntl qw(:flock);
+
+use PVE::RESTEnvironment;
+
+use PVE::Exception qw(raise raise_perm_exc);
use PVE::SafeSyslog;
use PVE::Tools;
use PVE::INotify;
use PVE::Cluster;
use PVE::ProcFSTools;
use PVE::AccessControl;
-use CGI;
-# we use this singleton class to pass RPC related environment values
+use base qw(PVE::RESTEnvironment);
-my $pve_env;
+# ACL cache
-# save $SIG{CHLD} handler implementation.
-# simply set $SIG{CHLD} = $worker_reaper;
-# and register forked processes with &$register_worker(pid)
-# Note: using $SIG{CHLD} = 'IGNORE' or $SIG{CHLD} = sub { wait (); } or ...
-# has serious side effects, because perls built in system() and open()
-# functions can't get the correct exit status of a child. So we cant use
-# that (also see perlipc)
+my $compile_acl_path = sub {
+ my ($self, $user, $path) = @_;
-my $WORKER_PIDS;
+ my $cfg = $self->{user_cfg};
-my $log_task_result = sub {
- my ($upid, $user, $status) = @_;
+ return undef if !$cfg->{roles};
- my $msg = 'successful';
- my $pri = 'info';
- if ($status != 0) {
- my $ec = $status >> 8;
- my $ic = $status & 255;
- $msg = $ec ? "failed ($ec)" : "interrupted ($ic)";
- $pri = 'err';
- }
- my $tlist = active_workers($upid);
- PVE::Cluster::broadcast_tasklist($tlist);
- my $task;
- foreach my $t (@$tlist) {
- if ($t->{upid} eq $upid) {
- $task = $t;
- last;
+ die "internal error" if $user eq 'root@pam';
+
+ my $cache = $self->{aclcache};
+ $cache->{$user} = {} if !$cache->{$user};
+ my $data = $cache->{$user};
+
+ if (!$data->{poolroles}) {
+ $data->{poolroles} = {};
+
+ foreach my $pool (keys %{$cfg->{pools}}) {
+ my $d = $cfg->{pools}->{$pool};
+ my @ra = PVE::AccessControl::roles($cfg, $user, "/pool/$pool"); # pool roles
+ next if !scalar(@ra);
+ foreach my $vmid (keys %{$d->{vms}}) {
+ for my $role (@ra) {
+ $data->{poolroles}->{"/vms/$vmid"}->{$role} = 1;
+ }
+ }
+ foreach my $storeid (keys %{$d->{storage}}) {
+ for my $role (@ra) {
+ $data->{poolroles}->{"/storage/$storeid"}->{$role} = 1;
+ }
+ }
}
}
- if ($task && $task->{status}) {
- $msg = $task->{status};
- }
- PVE::Cluster::log_msg($pri, $user, "end task $upid $msg");
-};
-my $worker_reaper = sub {
- local $!; local $?;
- foreach my $pid (keys %$WORKER_PIDS) {
- my $waitpid = waitpid ($pid, WNOHANG);
- if (defined($waitpid) && ($waitpid == $pid)) {
- my $info = $WORKER_PIDS->{$pid};
- if ($info && $info->{upid} && $info->{user}) {
- &$log_task_result($info->{upid}, $info->{user}, $?);
+ my @ra = PVE::AccessControl::roles($cfg, $user, $path);
+
+ # apply roles inherited from pools
+ # Note: assume we do not want to propagate those privs
+ if ($data->{poolroles}->{$path}) {
+ if (!($ra[0] && $ra[0] eq 'NoAccess')) {
+ if ($data->{poolroles}->{$path}->{NoAccess}) {
+ @ra = ('NoAccess');
+ } else {
+ foreach my $role (keys %{$data->{poolroles}->{$path}}) {
+ push @ra, $role;
+ }
}
- delete ($WORKER_PIDS->{$pid});
}
}
-};
-
-my $register_worker = sub {
- my ($pid, $user, $upid) = @_;
- return if !$pid;
+ $data->{roles}->{$path} = [ @ra ];
- # do not register if already finished
- my $waitpid = waitpid ($pid, WNOHANG);
- if (defined($waitpid) && ($waitpid == $pid)) {
- delete ($WORKER_PIDS->{$pid});
- return;
+ my $privs = {};
+ foreach my $role (@ra) {
+ if (my $privset = $cfg->{roles}->{$role}) {
+ foreach my $p (keys %$privset) {
+ $privs->{$p} = 1;
+ }
+ }
}
+ $data->{privs}->{$path} = $privs;
- $WORKER_PIDS->{$pid} = {
- user => $user,
- upid => $upid,
- };
+ return $privs;
};
-# ACL cache
-
-my $compile_acl = sub {
- my ($self, $user) = @_;
-
- my $res = {};
- my $cfg = $self->{user_cfg};
+sub roles {
+ my ($self, $user, $path) = @_;
- return undef if !$cfg->{roles};
+ if ($user eq 'root@pam') { # root can do anything
+ return ('Administrator');
+ }
- if ($user eq 'root@pam') { # root can do anything
- return {'/' => $cfg->{roles}->{'Administrator'}};
- }
+ $user = PVE::AccessControl::verify_username($user, 1);
+ return () if !$user;
- foreach my $path (sort keys %{$cfg->{acl}}) {
- my @ra = PVE::AccessControl::roles($cfg, $user, $path);
+ my $cache = $self->{aclcache};
+ $cache->{$user} = {} if !$cache->{$user};
- my $privs = {};
- foreach my $role (@ra) {
- if (my $privset = $cfg->{roles}->{$role}) {
- foreach my $p (keys %$privset) {
- $privs->{$p} = 1;
- }
- }
- }
+ my $acl = $cache->{$user};
- $res->{$path} = $privs;
- }
+ my $roles = $acl->{roles}->{$path};
+ return @$roles if $roles;
- return $res;
-};
+ &$compile_acl_path($self, $user, $path);
+ $roles = $acl->{roles}->{$path} || [];
+ return @$roles;
+}
sub permissions {
my ($self, $user, $path) = @_;
+ if ($user eq 'root@pam') { # root can do anything
+ my $cfg = $self->{user_cfg};
+ return $cfg->{roles}->{'Administrator'};
+ }
+
$user = PVE::AccessControl::verify_username($user, 1);
return {} if !$user;
my $cache = $self->{aclcache};
+ $cache->{$user} = {} if !$cache->{$user};
my $acl = $cache->{$user};
- if (!$acl) {
- if (!($acl = &$compile_acl($self, $user))) {
- return {};
- }
- $cache->{$user} = $acl;
- }
-
- my $perm;
-
- if (!($perm = $acl->{$path})) {
- $perm = {};
- foreach my $p (sort keys %$acl) {
- my $final = ($path eq $p);
-
- next if !(($p eq '/') || $final || ($path =~ m|^$p/|));
+ my $perm = $acl->{privs}->{$path};
+ return $perm if $perm;
- $perm = $acl->{$p};
- }
- $acl->{$path} = $perm;
- }
-
- return $perm;
+ return &$compile_acl_path($self, $user, $path);
}
sub check {
- my ($self, $user, $path, $privs) = @_;
+ my ($self, $user, $path, $privs, $noerr) = @_;
my $perm = $self->permissions($user, $path);
foreach my $priv (@$privs) {
- return undef if !$perm->{$priv};
+ PVE::AccessControl::verify_privname($priv);
+ if (!$perm->{$priv}) {
+ return undef if $noerr;
+ raise_perm_exc("$path, $priv");
+ }
};
return 1;
};
-sub user_enabled {
- my ($self, $user) = @_;
-
- my $cfg = $self->{user_cfg};
- return PVE::AccessControl::user_enabled($cfg, $user);
-}
-
-# initialize environment - must be called once at program startup
-sub init {
- my ($class, $type, %params) = @_;
-
- $class = ref($class) || $class;
+sub check_any {
+ my ($self, $user, $path, $privs, $noerr) = @_;
- die "already initialized" if $pve_env;
-
- die "unknown environment type" if !$type || $type !~ m/^(cli|pub|priv|ha)$/;
-
- $SIG{CHLD} = $worker_reaper;
-
- # environment types
- # cli ... command started fron command line
- # pub ... access from public server (apache)
- # priv ... access from private server (pvedaemon)
- # ha ... access from HA resource manager agent (rgmanager)
-
- my $self = {
- user_cfg => {},
- aclcache => {},
- aclversion => undef,
- type => $type,
- };
-
- bless $self, $class;
+ my $perm = $self->permissions($user, $path);
- foreach my $p (keys %params) {
- if ($p eq 'atfork') {
- $self->{$p} = $params{$p};
- } else {
- die "unknown option '$p'";
+ my $found = 0;
+ foreach my $priv (@$privs) {
+ PVE::AccessControl::verify_privname($priv);
+ if ($perm->{$priv}) {
+ $found = 1;
+ last;
}
- }
-
- $pve_env = $self;
-
- my ($sysname, $nodename) = POSIX::uname();
-
- $nodename =~ s/\..*$//; # strip domain part, if any
-
- $self->{nodename} = $nodename;
-
- return $self;
-};
-
-# get the singleton
-sub get {
+ };
- die "not initialized" if !$pve_env;
+ return 1 if $found;
- return $pve_env;
-}
+ return undef if $noerr;
-sub parse_params {
- my ($self, $enable_upload) = @_;
+ raise_perm_exc("$path, " . join("|", @$privs));
+};
- if ($self->{request_rec}) {
- my $cgi;
- if ($enable_upload) {
- $cgi = CGI->new($self->{request_rec});
- } else {
- # disable upload using empty upload_hook
- $cgi = CGI->new($self->{request_rec}, sub {}, undef, 0);
- }
- $self->{cgi} = $cgi;
- my $params = $cgi->Vars();
- return $params;
- } elsif ($self->{params}) {
- return $self->{params};
+sub check_full {
+ my ($self, $username, $path, $privs, $any, $noerr) = @_;
+ if ($any) {
+ return $self->check_any($username, $path, $privs, $noerr);
} else {
- die "no parameters registered";
+ return $self->check($username, $path, $privs, $noerr);
}
}
-sub get_upload_info {
- my ($self, $param) = @_;
+sub check_user_enabled {
+ my ($self, $user, $noerr) = @_;
- my $cgi = $self->{cgi};
- die "CGI not initialized" if !$cgi;
-
- my $pd = $cgi->param($param);
- die "unable to get cgi parameter info\n" if !$pd;
- my $info = $cgi->uploadInfo($pd);
- die "unable to get cgi upload info\n" if !$info;
-
- my $res = { %$info };
-
- my $tmpfilename = $cgi->tmpFileName($pd);
- die "unable to get cgi upload file name\n" if !$tmpfilename;
- $res->{tmpfilename} = $tmpfilename;
+ my $cfg = $self->{user_cfg};
+ return PVE::AccessControl::check_user_enabled($cfg, $user, $noerr);
+}
- #my $hndl = $cgi->upload($param);
- #die "unable to get cgi upload handle\n" if !$hndl;
- #$res->{handle} = $hndl->handle;
+sub check_user_exist {
+ my ($self, $user, $noerr) = @_;
- return $res;
+ my $cfg = $self->{user_cfg};
+ return PVE::AccessControl::check_user_exist($cfg, $user, $noerr);
}
-# init_request - must be called before each RPC request
-sub init_request {
- my ($self, %params) = @_;
+sub check_pool_exist {
+ my ($self, $pool, $noerr) = @_;
- PVE::Cluster::cfs_update();
+ my $cfg = $self->{user_cfg};
- $self->{result_attributes} = {};
+ return 1 if $cfg->{pools}->{$pool};
- my $userconfig; # we use this for regression tests
- foreach my $p (keys %params) {
- if ($p eq 'userconfig') {
- $userconfig = $params{$p};
- } elsif ($p eq 'request_rec') {
- # pass Apache2::RequestRec
- $self->{request_rec} = $params{$p};
- } elsif ($p eq 'params') {
- $self->{params} = $params{$p};
- } else {
- die "unknown parameter '$p'";
- }
- }
+ return undef if $noerr;
- eval {
- $self->{aclcache} = {};
- if ($userconfig) {
- my $ucdata = PVE::Tools::file_get_contents($userconfig);
- my $cfg = PVE::AccessControl::parse_user_config($userconfig, $ucdata);
- $self->{user_cfg} = $cfg;
- } else {
- my $ucvers = PVE::Cluster::cfs_file_version('user.cfg');
- if (!$self->{aclcache} || !defined($self->{aclversion}) ||
- !defined($ucvers) || ($ucvers ne $self->{aclversion})) {
- $self->{aclversion} = $ucvers;
- my $cfg = PVE::Cluster::cfs_read_file('user.cfg');
- $self->{user_cfg} = $cfg;
- }
- }
- };
- if (my $err = $@) {
- $self->{user_cfg} = {};
- die "Unable to load access control list: $err";
- }
+ raise_perm_exc("pool '$pool' does not exist");
}
-sub set_client_ip {
- my ($self, $ip) = @_;
-
- $self->{client_ip} = $ip;
-}
+sub check_vm_perm {
+ my ($self, $user, $vmid, $pool, $privs, $any, $noerr) = @_;
-sub get_client_ip {
- my ($self) = @_;
+ my $cfg = $self->{user_cfg};
- return $self->{client_ip};
-}
+ if ($pool) {
+ return if $self->check_full($user, "/pool/$pool", $privs, $any, 1);
+ }
+ return $self->check_full($user, "/vms/$vmid", $privs, $any, $noerr);
+};
-sub set_result_attrib {
- my ($self, $key, $value) = @_;
+sub is_group_member {
+ my ($self, $group, $user) = @_;
- $self->{result_attributes}->{$key} = $value;
-}
+ my $cfg = $self->{user_cfg};
-sub get_result_attrib {
- my ($self, $key) = @_;
+ return 0 if !$cfg->{groups}->{$group};
- return $self->{result_attributes}->{$key};
+ return defined($cfg->{groups}->{$group}->{users}->{$user});
}
-sub set_language {
- my ($self, $lang) = @_;
-
- # fixme: initialize I18N
+sub filter_groups {
+ my ($self, $user, $privs, $any) = @_;
- $self->{language} = $lang;
-}
+ my $cfg = $self->{user_cfg};
-sub get_language {
- my ($self) = @_;
+ my $groups = {};
+ foreach my $group (keys %{$cfg->{groups}}) {
+ my $path = "/access/groups/$group";
+ if ($self->check_full($user, $path, $privs, $any, 1)) {
+ $groups->{$group} = $cfg->{groups}->{$group};
+ }
+ }
- return $self->{language};
+ return $groups;
}
-sub set_user {
- my ($self, $user) = @_;
+sub group_member_join {
+ my ($self, $grouplist) = @_;
- # fixme: get ACLs
+ my $users = {};
- $self->{user} = $user;
-}
-
-sub get_user {
- my ($self) = @_;
-
- die "user name not set\n" if !$self->{user};
+ my $cfg = $self->{user_cfg};
+ foreach my $group (@$grouplist) {
+ my $data = $cfg->{groups}->{$group};
+ next if !$data;
+ foreach my $user (keys %{$data->{users}}) {
+ $users->{$user} = 1;
+ }
+ }
- return $self->{user};
+ return $users;
}
-# read/update list of active workers
-# we move all finished tasks to the archive index,
-# but keep aktive and most recent task in the active file.
-# $nocheck ... consider $new_upid still running (avoid that
-# we try to read the reult to early.
-sub active_workers {
- my ($new_upid, $nocheck) = @_;
+sub check_perm_modify {
+ my ($self, $username, $path, $noerr) = @_;
- my $lkfn = "/var/log/pve/tasks/.active.lock";
+ return $self->check($username, '/access', [ 'Permissions.Modify' ], $noerr) if !$path;
- my $timeout = 10;
-
- my $code = sub {
+ my $testperms = [ 'Permissions.Modify' ];
+ if ($path =~ m|^/storage/.+$|) {
+ push @$testperms, 'Datastore.Allocate';
+ } elsif ($path =~ m|^/vms/.+$|) {
+ push @$testperms, 'VM.Allocate';
+ } elsif ($path =~ m|^/pool/.+$|) {
+ push @$testperms, 'Pool.Allocate';
+ }
- my $tasklist = PVE::INotify::read_file('active');
+ return $self->check_any($username, $path, $testperms, $noerr);
+}
- my @ta;
- my $tlist = [];
- my $thash = {}; # only list task once
+sub exec_api2_perm_check {
+ my ($self, $check, $username, $param, $noerr) = @_;
- my $check_task = sub {
- my ($task, $running) = @_;
+ # syslog("info", "CHECK " . join(', ', @$check));
- if ($running || PVE::ProcFSTools::check_process_running($task->{pid}, $task->{pstart})) {
- push @$tlist, $task;
- } else {
- delete $task->{pid};
- push @ta, $task;
- }
- delete $task->{pstart};
- };
-
- foreach my $task (@$tasklist) {
- my $upid = $task->{upid};
- next if $thash->{$upid};
- $thash->{$upid} = $task;
- &$check_task($task);
- }
+ my $ind = 0;
+ my $test = $check->[$ind++];
+ die "no permission test specified" if !$test;
- if ($new_upid && !(my $task = $thash->{$new_upid})) {
- $task = PVE::Tools::upid_decode($new_upid);
- $task->{upid} = $new_upid;
- $thash->{$new_upid} = $task;
- &$check_task($task, $nocheck);
+ if ($test eq 'and') {
+ while (my $subcheck = $check->[$ind++]) {
+ $self->exec_api2_perm_check($subcheck, $username, $param);
}
-
-
- @ta = sort { $b->{starttime} cmp $a->{starttime} } @ta;
-
- my $save = defined($new_upid);
-
- foreach my $task (@ta) {
- next if $task->{endtime};
- $task->{endtime} = time();
- $task->{status} = PVE::Tools::upid_read_status($task->{upid});
- $save = 1;
+ return 1;
+ } elsif ($test eq 'or') {
+ while (my $subcheck = $check->[$ind++]) {
+ return 1 if $self->exec_api2_perm_check($subcheck, $username, $param, 1);
}
-
- my $archive = '';
- my @arlist = ();
- foreach my $task (@ta) {
- if (!$task->{saved}) {
- $archive .= sprintf("$task->{upid} %08X $task->{status}\n", $task->{endtime});
- $save = 1;
- push @arlist, $task;
- $task->{saved} = 1;
- }
+ return 0 if $noerr;
+ raise_perm_exc();
+ } elsif ($test eq 'perm') {
+ my ($t, $tmplpath, $privs, %options) = @$check;
+ my $any = $options{any};
+ die "missing parameters" if !($tmplpath && $privs);
+ my $require_param = $options{require_param};
+ if ($require_param && !defined($param->{$require_param})) {
+ return 0 if $noerr;
+ raise_perm_exc();
}
-
- if ($archive) {
- my $size = 0;
- my $filename = "/var/log/pve/tasks/index";
- eval {
- my $fh = IO::File->new($filename, '>>', 0644) ||
- die "unable to open file '$filename' - $!\n";
- PVE::Tools::safe_print($filename, $fh, $archive);
- $size = -s $fh;
- close($fh) ||
- die "unable to close file '$filename' - $!\n";
- };
- my $err = $@;
- if ($err) {
- syslog('err', $err);
- foreach my $task (@arlist) { # mark as not saved
- $task->{saved} = 0;
+ my $path = PVE::Tools::template_replace($tmplpath, $param);
+ $path = PVE::AccessControl::normalize_path($path);
+ return $self->check_full($username, $path, $privs, $any, $noerr);
+ } elsif ($test eq 'userid-group') {
+ my $userid = $param->{userid};
+ my ($t, $privs, %options) = @$check;
+ return 0 if !$options{groups_param} && !$self->check_user_exist($userid, $noerr);
+ if (!$self->check_any($username, "/access/groups", $privs, 1)) {
+ my $groups = $self->filter_groups($username, $privs, 1);
+ if ($options{groups_param}) {
+ my @group_param = PVE::Tools::split_list($param->{groups});
+ raise_perm_exc("/access/groups, " . join("|", @$privs)) if !scalar(@group_param);
+ foreach my $pg (@group_param) {
+ raise_perm_exc("/access/groups/$pg, " . join("|", @$privs))
+ if !$groups->{$pg};
+ }
+ } else {
+ my $allowed_users = $self->group_member_join([keys %$groups]);
+ if (!$allowed_users->{$userid}) {
+ return 0 if $noerr;
+ raise_perm_exc();
}
- }
- my $maxsize = 50000; # about 1000 entries
- if ($size > $maxsize) {
- rename($filename, "$filename.1");
}
}
-
- # we try to reduce the amount of data
- # list all running tasks and task and a few others
- # try to limit to 25 tasks
- my $ctime = time();
- my $max = 25 - scalar(@$tlist);
- foreach my $task (@ta) {
- last if $max <= 0;
- push @$tlist, $task;
- $max--;
+ return 1;
+ } elsif ($test eq 'userid-param') {
+ my ($userid, undef, $realm) = PVE::AccessControl::verify_username($param->{userid});
+ my ($t, $subtest) = @$check;
+ die "missing parameters" if !$subtest;
+ if ($subtest eq 'self') {
+ return 0 if !$self->check_user_exist($userid, $noerr);
+ return 1 if $username eq $userid;
+ return 0 if $noerr;
+ raise_perm_exc();
+ } elsif ($subtest eq 'Realm.AllocateUser') {
+ my $path = "/access/realm/$realm";
+ return $self->check($username, $path, ['Realm.AllocateUser'], $noerr);
+ } else {
+ die "unknown userid-param test";
}
-
- PVE::INotify::write_file('active', $tlist) if $save;
-
- return $tlist;
- };
-
- my $res = PVE::Tools::lock_file($lkfn, $timeout, $code);
- die $@ if $@;
-
- return $res;
-}
-
-my $kill_process_group = sub {
- my ($pid, $pstart) = @_;
-
- # send kill to process group (negative pid)
- my $kpid = -$pid;
-
- # always send signal to all pgrp members
- kill(15, $kpid); # send TERM signal
-
- # give max 5 seconds to shut down
- for (my $i = 0; $i < 5; $i++) {
- return if !PVE::ProcFSTools::check_process_running($pid, $pstart);
- sleep (1);
+ } elsif ($test eq 'perm-modify') {
+ my ($t, $tmplpath) = @$check;
+ my $path = PVE::Tools::template_replace($tmplpath, $param);
+ $path = PVE::AccessControl::normalize_path($path);
+ return $self->check_perm_modify($username, $path, $noerr);
+ } else {
+ die "unknown permission test";
}
-
- # to be sure
- kill(9, $kpid);
};
-sub check_worker {
- my ($upid, $killit) = @_;
-
- my $task = PVE::Tools::upid_decode($upid);
-
- my $running = PVE::ProcFSTools::check_process_running($task->{pid}, $task->{pstart});
-
- return 0 if !$running;
-
- if ($killit) {
- &$kill_process_group($task->{pid});
- return 0;
- }
-
- return 1;
-}
-
-# start long running workers
-# STDIN is redirected to /dev/null
-# STDOUT,STDERR are redirected to the filename returned by upid_decode
-# NOTE: we simulate running in foreground if ($self->{type} eq 'cli')
-sub fork_worker {
- my ($self, $dtype, $id, $user, $function) = @_;
-
- $dtype = 'unknown' if !defined ($dtype);
- $id = '' if !defined ($id);
+sub check_api2_permissions {
+ my ($self, $perm, $username, $param) = @_;
- $user = 'root@pve' if !defined ($user);
+ return 1 if !$username && $perm->{user} && $perm->{user} eq 'world';
- my $sync = $self->{type} eq 'cli' ? 1 : 0;
+ raise_perm_exc("user != null") if !$username;
- local $SIG{INT} =
- local $SIG{QUIT} =
- local $SIG{PIPE} =
- local $SIG{TERM} = 'IGNORE';
+ return 1 if $username eq 'root@pam';
- my $starttime = time ();
+ raise_perm_exc('user != root@pam') if !$perm;
- my @psync = POSIX::pipe();
- my @csync = POSIX::pipe();
+ return 1 if $perm->{user} && $perm->{user} eq 'all';
- my $node = $self->{nodename};
+ return $self->exec_api2_perm_check($perm->{check}, $username, $param)
+ if $perm->{check};
- my $cpid = fork();
- die "unable to fork worker - $!" if !defined($cpid);
-
- my $workerpuid = $cpid ? $cpid : $$;
-
- my $pstart = PVE::ProcFSTools::read_proc_starttime($workerpuid) ||
- die "unable to read process start time";
-
- my $upid = PVE::Tools::upid_encode ({
- node => $node, pid => $workerpuid, pstart => $pstart,
- starttime => $starttime, type => $dtype, id => $id, user => $user });
-
- my $outfh;
-
- if (!$cpid) { # child
-
- $0 = "task $upid";
+ raise_perm_exc();
+}
- $SIG{INT} = $SIG{QUIT} = $SIG{TERM} = sub { die "received interrupt\n"; };
+sub log_cluster_msg {
+ my ($self, $pri, $user, $msg) = @_;
- $SIG{CHLD} = $SIG{PIPE} = 'DEFAULT';
+ PVE::Cluster::log_msg($pri, $user, $msg);
+}
- # set sess/process group - we want to be able to kill the
- # whole process group
- POSIX::setsid();
+sub broadcast_tasklist {
+ my ($self, $tlist) = @_;
- POSIX::close ($psync[0]);
- POSIX::close ($csync[1]);
+ PVE::Cluster::broadcast_tasklist($tlist);
+}
- $outfh = $sync ? $psync[1] : undef;
+# initialize environment - must be called once at program startup
+sub init {
+ my ($class, $type, %params) = @_;
- eval {
- PVE::INotify::inotify_close();
+ $class = ref($class) || $class;
- if (my $atfork = $self->{atfork}) {
- &$atfork();
- }
+ my $self = $class->SUPER::init($type, %params);
- # same algorythm as used inside SA
- # STDIN = /dev/null
- my $fd = fileno (STDIN);
+ $self->{user_cfg} = {};
+ $self->{aclcache} = {};
+ $self->{aclversion} = undef;
- if (!$sync) {
- close STDIN;
- POSIX::close(0) if $fd != 0;
+ return $self;
+};
- die "unable to redirect STDIN - $!"
- if !open(STDIN, "</dev/null");
- $outfh = PVE::Tools::upid_open($upid);
- }
+# init_request - must be called before each RPC request
+sub init_request {
+ my ($self, %params) = @_;
+ PVE::Cluster::cfs_update();
- # redirect STDOUT
- $fd = fileno(STDOUT);
- close STDOUT;
- POSIX::close (1) if $fd != 1;
-
- die "unable to redirect STDOUT - $!"
- if !open(STDOUT, ">&", $outfh);
-
- STDOUT->autoflush (1);
-
- # redirect STDERR to STDOUT
- $fd = fileno (STDERR);
- close STDERR;
- POSIX::close(2) if $fd != 2;
-
- die "unable to redirect STDERR - $!"
- if !open(STDERR, ">&1");
-
- STDERR->autoflush(1);
- };
- if (my $err = $@) {
- my $msg = "ERROR: $err";
- POSIX::write($psync[1], $msg, length ($msg));
- POSIX::close($psync[1]);
- POSIX::_exit(1);
- kill(-9, $$);
- }
+ $self->{result_attributes} = {};
- # sync with parent (signal that we are ready)
- if ($sync) {
- print "$upid\n";
+ my $userconfig; # we use this for regression tests
+ foreach my $p (keys %params) {
+ if ($p eq 'userconfig') {
+ $userconfig = $params{$p};
} else {
- POSIX::write($psync[1], $upid, length ($upid));
- POSIX::close($psync[1]);
- }
-
- my $readbuf = '';
- # sync with parent (wait until parent is ready)
- POSIX::read($csync[0], $readbuf, 4096);
- die "parent setup error\n" if $readbuf ne 'OK';
-
- if ($self->{type} eq 'ha') {
- print "task started by HA resource agent\n";
+ die "unknown parameter '$p'";
}
- eval { &$function($upid); };
- my $err = $@;
- if ($err) {
- chomp $err;
- $err =~ s/\n/ /mg;
- syslog('err', $err);
- print STDERR "TASK ERROR: $err\n";
- POSIX::_exit(-1);
- } else {
- print STDERR "TASK OK\n";
- POSIX::_exit(0);
- }
- kill(-9, $$);
- }
-
- # parent
-
- POSIX::close ($psync[1]);
- POSIX::close ($csync[0]);
-
- my $readbuf = '';
- # sync with child (wait until child starts)
- POSIX::read($psync[0], $readbuf, 4096);
-
- if (!$sync) {
- POSIX::close($psync[0]);
- &$register_worker($cpid, $user, $upid);
- } else {
- chomp $readbuf;
}
eval {
- die "got no worker upid - start worker failed\n" if !$readbuf;
-
- if ($readbuf =~ m/^ERROR:\s*(.+)$/m) {
- die "starting worker failed: $1\n";
- }
-
- if ($readbuf ne $upid) {
- die "got strange worker upid ('$readbuf' != '$upid') - start worker failed\n";
- }
-
- if ($sync) {
- $outfh = PVE::Tools::upid_open($upid);
+ $self->{aclcache} = {};
+ if ($userconfig) {
+ my $ucdata = PVE::Tools::file_get_contents($userconfig);
+ my $cfg = PVE::AccessControl::parse_user_config($userconfig, $ucdata);
+ $self->{user_cfg} = $cfg;
+ } else {
+ my $ucvers = PVE::Cluster::cfs_file_version('user.cfg');
+ if (!$self->{aclcache} || !defined($self->{aclversion}) ||
+ !defined($ucvers) || ($ucvers ne $self->{aclversion})) {
+ $self->{aclversion} = $ucvers;
+ my $cfg = PVE::Cluster::cfs_read_file('user.cfg');
+ $self->{user_cfg} = $cfg;
+ }
}
};
- my $err = $@;
-
- if (!$err) {
- my $msg = 'OK';
- POSIX::write($csync[1], $msg, length ($msg));
- POSIX::close($csync[1]);
-
- } else {
- POSIX::close($csync[1]);
- kill(-9, $cpid); # make sure it gets killed
- die $err;
+ if (my $err = $@) {
+ $self->{user_cfg} = {};
+ die "Unable to load access control list: $err";
}
+}
- PVE::Cluster::log_msg('info', $user, "starting task $upid");
-
- my $tlist = active_workers($upid, $sync);
- PVE::Cluster::broadcast_tasklist($tlist);
-
- my $res = 0;
-
- if ($sync) {
- my $count;
- my $outbuf = '';
- my $int_count = 0;
- eval {
- local $SIG{INT} = local $SIG{QUIT} = local $SIG{TERM} = sub {
- # always send signal to all pgrp members
- my $kpid = -$cpid;
- if ($int_count < 3) {
- kill(15, $kpid); # send TERM signal
- } else {
- kill(9, $kpid); # send KILL signal
- }
- $int_count++;
- };
- local $SIG{PIPE} = sub { die "broken pipe\n"; };
-
- my $select = new IO::Select;
- my $fh = IO::Handle->new_from_fd($psync[0], 'r');
- $select->add($fh);
-
- while ($select->count) {
- my @handles = $select->can_read(1);
- if (scalar(@handles)) {
- my $count = sysread ($handles[0], $readbuf, 4096);
- if (!defined ($count)) {
- my $err = $!;
- die "sync pipe read error: $err\n";
- }
- last if $count == 0; # eof
-
- $outbuf .= $readbuf;
- while ($outbuf =~ s/^(([^\010\r\n]*)(\r|\n|(\010)+|\r\n))//s) {
- my $line = $1;
- my $data = $2;
- if ($data =~ m/^TASK OK$/) {
- # skip
- } elsif ($data =~ m/^TASK ERROR: (.+)$/) {
- print STDERR "$1\n";
- } else {
- print $line;
- }
- if ($outfh) {
- print $outfh $line;
- $outfh->flush();
- }
- }
- } else {
- # some commands daemonize without closing stdout
- last if !PVE::ProcFSTools::check_process_running($cpid);
- }
- }
- };
- my $err = $@;
-
- POSIX::close($psync[0]);
-
- if ($outbuf) { # just to be sure
- print $outbuf;
- if ($outfh) {
- print $outfh $outbuf;
- }
- }
-
- if ($err) {
- $err =~ s/\n/ /mg;
- print STDERR "$err\n";
- if ($outfh) {
- print $outfh "TASK ERROR: $err\n";
- }
- }
-
- &$kill_process_group($cpid, $pstart); # make sure it gets killed
-
- close($outfh);
+# hacks: to provide better backwards compatibiliy
- waitpid($cpid, 0);
- $res = $?;
- &$log_task_result($upid, $user, $res);
- }
+# old code uses PVE::RPCEnvironment::get();
+# new code should use PVE::RPCEnvironment->get();
+sub get {
+ return PVE::RESTEnvironment->get();
+}
- return wantarray ? ($upid, $res) : $upid;
+# old code uses PVE::RPCEnvironment::is_worker();
+# new code should use PVE::RPCEnvironment->is_worker();
+sub is_worker {
+ return PVE::RESTEnvironment->is_worker();
}
1;
projects / pve-access-control.git / blobdiff