use Fcntl;
use IO::File;
use File::stat qw();
+use MIME::Base64;
use Digest::MD5;
-use AnyEvent::Strict;
+use Digest::SHA;
+# use AnyEvent::Strict; # only use this for debugging
use AnyEvent::Util qw(guard fh_nonblocking WSAEWOULDBLOCK WSAEINPROGRESS);
+use AnyEvent::Socket;
use AnyEvent::Handle;
+use Net::SSLeay;
use AnyEvent::TLS;
use AnyEvent::IO;
use AnyEvent::HTTP;
use PVE::RPCEnvironment;
use PVE::REST;
+use Net::IP;
use URI;
+use URI::Escape;
use HTTP::Status qw(:constants);
use HTTP::Headers;
use HTTP::Response;
+use Data::Dumper;
-# fixme
-# POST_MAX = 1024 * 10; # max 10K posts
+my $limit_max_headers = 30;
+my $limit_max_header_size = 8*1024;
+my $limit_max_post = 16*1024;
-use Data::Dumper; # fixme: remove
my $known_methods = {
GET => 1,
sub split_abs_uri {
my ($abs_uri) = @_;
- my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+(html|text|json|extjs|png|htmljs)(\/.*)?$/;
+ my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+([a-z][a-z0-9]+)(\/.*)?$/;
$rel_uri = '/' if !$rel_uri;
return wantarray ? ($rel_uri, $format) : $rel_uri;
}
+# generic formatter support
+
+my $formatter_hash = {};
+
+sub register_formatter {
+ my ($format, $func) = @_;
+
+ die "formatter '$format' already defined" if $formatter_hash->{$format};
+
+ $formatter_hash->{$format} = {
+ func => $func,
+ };
+}
+
+sub get_formatter {
+ my ($format) = @_;
+
+ return undef if !$format;
+
+ my $info = $formatter_hash->{$format};
+ return undef if !$info;
+
+ return $info->{func};
+}
+
+my $login_formatter_hash = {};
+
+sub register_login_formatter {
+ my ($format, $func) = @_;
+
+ die "login formatter '$format' already defined" if $login_formatter_hash->{$format};
+
+ $login_formatter_hash->{$format} = {
+ func => $func,
+ };
+}
+
+sub get_login_formatter {
+ my ($format) = @_;
+
+ return undef if !$format;
+
+ my $info = $login_formatter_hash->{$format};
+ return undef if !$info;
+
+ return $info->{func};
+}
+
+# server implementation
+
sub log_request {
my ($self, $reqstate) = @_;
# like apache2 common log format
# LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\""
+ return if $loginfo->{written}; # avoid duplicate logs
+ $loginfo->{written} = 1;
+
my $peerip = $reqstate->{peer_host} || '-';
my $userid = $loginfo->{userid} || '-';
my $content_length = defined($loginfo->{content_length}) ? $loginfo->{content_length} : '-';
$self->log_request($reqstate);
}
-sub client_do_disconnect {
- my ($self, $reqstate) = @_;
+sub cleanup_reqstate {
+ my ($reqstate) = @_;
+
+ delete $reqstate->{log};
+ delete $reqstate->{request};
+ delete $reqstate->{proto};
+ delete $reqstate->{accept_gzip};
+ delete $reqstate->{starttime};
if ($reqstate->{tmpfilename}) {
unlink $reqstate->{tmpfilename};
delete $reqstate->{tmpfilename};
}
+}
+
+sub client_do_disconnect {
+ my ($self, $reqstate) = @_;
+
+ cleanup_reqstate($reqstate);
+
+ my $shutdown_hdl = sub {
+ my $hdl = shift;
+
+ shutdown($hdl->{fh}, 1);
+ # clear all handlers
+ $hdl->on_drain(undef);
+ $hdl->on_read(undef);
+ $hdl->on_eof(undef);
+ };
+
+ if (my $proxyhdl = delete $reqstate->{proxyhdl}) {
+ &$shutdown_hdl($proxyhdl);
+ }
my $hdl = delete $reqstate->{hdl};
return;
}
- #print "close connection $hdl\n";
+ print "close connection $hdl\n" if $self->{debug};
+
+ &$shutdown_hdl($hdl);
- shutdown($hdl->{fh}, 1);
- # clear all handlers
- $hdl->on_drain(undef);
- $hdl->on_read(undef);
- $hdl->on_eof(undef);
$self->{conn_count}--;
print "$$: CLOSE FH" . $hdl->{fh}->fileno() . " CONN$self->{conn_count}\n" if $self->{debug};
my $hdl = $reqstate->{hdl};
- delete $reqstate->{log};
- delete $reqstate->{request};
- delete $reqstate->{proto};
-
- if ($reqstate->{tmpfilename}) {
- unlink $reqstate->{tmpfilename};
- delete $reqstate->{tmpfilename};
- }
+ cleanup_reqstate($reqstate);
if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) {
# print "KEEPALIVE $reqstate->{keep_alive}\n" if $self->{debug};
}
sub response {
- my ($self, $reqstate, $resp, $mtime, $nocomp) = @_;
+ my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_;
#print "$$: send response: " . Dumper($resp);
+ # activate timeout
+ $reqstate->{hdl}->timeout_reset();
+ $reqstate->{hdl}->timeout($self->{timeout});
+
+ $nocomp = 1 if !$reqstate->{accept_gzip};
+
my $code = $resp->code;
my $msg = $resp->message || HTTP::Status::status_message($code);
($msg) = $msg =~m/^(.*)$/m;
$content = "";
}
- $reqstate->{keep_alive} = 0 if ($code >= 300) || $self->{end_loop};
+ $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop};
$reqstate->{log}->{code} = $code;
- my $res = "$reqstate->{proto}->{str} $code $msg\015\012";
+ my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
+ my $res = "$proto $code $msg\015\012";
my $ctime = time();
my $date = HTTP::Date::time2str($ctime);
#print "SEND(without content) $res\n" if $self->{debug};
$res .= "\015\012";
- $res .= $content;
+ $res .= $content if $content;
$self->log_request($reqstate, $reqstate->{request});
-
- $reqstate->{hdl}->push_write($res);
- $self->finish_response($reqstate);
+
+ if ($delay && $delay > 0) {
+ my $w; $w = AnyEvent->timer(after => $delay, cb => sub {
+ undef $w; # delete reference
+ $reqstate->{hdl}->push_write($res);
+ $self->finish_response($reqstate);
+ });
+ } else {
+ $reqstate->{hdl}->push_write($res);
+ $self->finish_response($reqstate);
+ }
}
sub error {
# Note: aio_load() this is not really async unless we use IO::AIO!
eval {
+ my $r = $reqstate->{request};
+
my $fh = IO::File->new($filename, '<') ||
die "$!\n";
my $stat = File::stat::stat($fh) ||
die "$!\n";
+
+ my $mtime = $stat->mtime;
+
+ if (my $ifmod = $r->header('if-modified-since')) {
+ my $iftime = HTTP::Date::str2time($ifmod);
+ if ($mtime <= $iftime) {
+ my $resp = HTTP::Response->new(304, "NOT MODIFIED");
+ $self->response($reqstate, $resp, $mtime);
+ return;
+ }
+ }
my $data;
my $len = sysread($fh, $data, $stat->size);
die "got short file\n" if !defined($len) || $len != $stat->size;
my $ct;
+ my $nocomp;
if ($filename =~ m/\.css$/) {
$ct = 'text/css';
+ } elsif ($filename =~ m/\.html$/) {
+ $ct = 'text/html';
} elsif ($filename =~ m/\.js$/) {
$ct = 'application/javascript';
} elsif ($filename =~ m/\.png$/) {
$ct = 'image/png';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.ico$/) {
+ $ct = 'image/x-icon';
+ $nocomp = 1;
} elsif ($filename =~ m/\.gif$/) {
$ct = 'image/gif';
+ $nocomp = 1;
} elsif ($filename =~ m/\.jar$/) {
$ct = 'application/java-archive';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.woff$/) {
+ $ct = 'application/font-woff';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.woff2$/) {
+ $ct = 'application/font-woff2';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.ttf$/) {
+ $ct = 'application/font-snft';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.pdf$/) {
+ $ct = 'application/pdf';
+ $nocomp = 1;
+ } elsif ($filename =~ m/\.epub$/) {
+ $ct = 'application/epub+zip';
+ $nocomp = 1;
} else {
die "unable to detect content type";
}
my $header = HTTP::Headers->new(Content_Type => $ct);
my $resp = HTTP::Response->new(200, "OK", $header, $data);
- $self->response($reqstate, $resp, $stat->mtime);
+ $self->response($reqstate, $resp, $mtime, $nocomp);
};
if (my $err = $@) {
$self->error($reqstate, 501, $err);
warn $@ if $@;
}
+sub websocket_proxy {
+ my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_;
+
+ eval {
+ my $remhost;
+ my $remport;
+
+ my $max_payload_size = 65536;
+
+ my $binary;
+ if ($wsproto eq 'binary') {
+ $binary = 1;
+ } elsif ($wsproto eq 'base64') {
+ $binary = 0;
+ } else {
+ die "websocket_proxy: unsupported protocol '$wsproto'\n";
+ }
+
+ if ($param->{port}) {
+ $remhost = 'localhost';
+ $remport = $param->{port};
+ } elsif ($param->{socket}) {
+ $remhost = 'unix/';
+ $remport = $param->{socket};
+ } else {
+ die "websocket_proxy: missing port or socket\n";
+ }
+
+ tcp_connect $remhost, $remport, sub {
+ my ($fh) = @_
+ or die "connect to '$remhost:$remport' failed: $!";
+
+ print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug};
+
+ $reqstate->{proxyhdl} = AnyEvent::Handle->new(
+ fh => $fh,
+ rbuf_max => 64*1024,
+ wbuf_max => 64*10*1024,
+ timeout => 5,
+ on_eof => sub {
+ my ($hdl) = @_;
+ eval {
+ $self->log_aborted_request($reqstate);
+ $self->client_do_disconnect($reqstate);
+ };
+ if (my $err = $@) { syslog('err', $err); }
+ },
+ on_error => sub {
+ my ($hdl, $fatal, $message) = @_;
+ eval {
+ $self->log_aborted_request($reqstate, $message);
+ $self->client_do_disconnect($reqstate);
+ };
+ if (my $err = $@) { syslog('err', "$err"); }
+ });
+
+ my $proxyhdlreader = sub {
+ my ($hdl) = @_;
+
+ my $len = length($hdl->{rbuf});
+ my $data = substr($hdl->{rbuf}, 0, $len, '');
+
+ my $string;
+ my $payload;
+
+ if ($binary) {
+ $string = "\x82"; # binary frame
+ $payload = $data;
+ } else {
+ $string = "\x81"; # text frame
+ $payload = encode_base64($data, '');
+ }
+
+ my $payload_len = length($payload);
+ if ($payload_len <= 125) {
+ $string .= pack 'C', $payload_len;
+ } elsif ($payload_len <= 0xffff) {
+ $string .= pack 'C', 126;
+ $string .= pack 'n', $payload_len;
+ } else {
+ $string .= pack 'C', 127;
+ $string .= pack 'Q>', $payload_len;
+ }
+ $string .= $payload;
+
+ $reqstate->{hdl}->push_write($string) if $reqstate->{hdl};
+ };
+
+ my $hdlreader = sub {
+ my ($hdl) = @_;
+
+ my $len = length($hdl->{rbuf});
+ return if $len < 2;
+
+ my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1));
+ my $opcode = $hdr & 0b00001111;
+ my $fin = $hdr & 0b10000000;
+
+ die "received fragmented websocket frame\n" if !$fin;
+
+ my $rsv = $hdr & 0b01110000;
+ die "received websocket frame with RSV flags\n" if $rsv;
+
+ my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1);
+
+ my $masked = $payload_len & 0b10000000;
+ die "received unmasked websocket frame from client\n" if !$masked;
+
+ my $offset = 2;
+ $payload_len = $payload_len & 0b01111111;
+ if ($payload_len == 126) {
+ return if $len < 4;
+ $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2));
+ $offset += 2;
+ } elsif ($payload_len == 127) {
+ return if $len < 10;
+ $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8));
+ $offset += 8;
+ }
+
+ die "received too large websocket frame (len = $payload_len)\n"
+ if ($payload_len > $max_payload_size) || ($payload_len < 0);
+
+ return if $len < ($offset + 4 + $payload_len);
+
+ my $data = substr($hdl->{rbuf}, 0, $len, ''); # now consume data
+
+ my @mask = (unpack('C', substr($data, $offset+0, 1)),
+ unpack('C', substr($data, $offset+1, 1)),
+ unpack('C', substr($data, $offset+2, 1)),
+ unpack('C', substr($data, $offset+3, 1)));
+
+ $offset += 4;
+
+ my $payload = substr($data, $offset, $payload_len);
+
+ for (my $i = 0; $i < $payload_len; $i++) {
+ my $d = unpack('C', substr($payload, $i, 1));
+ my $n = $d ^ $mask[$i % 4];
+ substr($payload, $i, 1, pack('C', $n));
+ }
+
+ $payload = decode_base64($payload) if !$binary;
+
+ if ($opcode == 1 || $opcode == 2) {
+ $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl};
+ } elsif ($opcode == 8) {
+ print "websocket received close\n" if $self->{debug};
+ if ($reqstate->{proxyhdl}) {
+ $reqstate->{proxyhdl}->push_write($payload);
+ $reqstate->{proxyhdl}->push_shutdown();
+ }
+ $hdl->push_shutdown();
+ } else {
+ die "received unhandled websocket opcode $opcode\n";
+ }
+ };
+
+ my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1';
+
+ $reqstate->{proxyhdl}->timeout(0);
+ $reqstate->{proxyhdl}->on_read($proxyhdlreader);
+ $reqstate->{hdl}->on_read($hdlreader);
+
+ # todo: use stop_read/start_read if write buffer grows to much
+
+ my $res = "$proto 101 Switching Protocols\015\012" .
+ "Upgrade: websocket\015\012" .
+ "Connection: upgrade\015\012" .
+ "Sec-WebSocket-Accept: $wsaccept\015\012" .
+ "Sec-WebSocket-Protocol: $wsproto\015\012" .
+ "\015\012";
+
+ print $res if $self->{debug};
+
+ $reqstate->{hdl}->push_write($res);
+
+ # log early
+ $reqstate->{log}->{code} = 101;
+ $self->log_request($reqstate);
+ };
+
+ };
+ if (my $err = $@) {
+ warn $err;
+ $self->log_aborted_request($reqstate, $err);
+ $self->client_do_disconnect($reqstate);
+ }
+}
+
sub proxy_request {
my ($self, $reqstate, $clientip, $host, $method, $uri, $ticket, $token, $params) = @_;
$target = "http://$host:85$uri";
# keep alive for localhost is not worth (connection setup is about 0.2ms)
$keep_alive = 0;
+ } elsif (Net::IP::ip_is_ipv6($host)) {
+ $target = "https://[$host]:8006$uri";
} else {
$target = "https://$host:8006$uri";
}
PVEClientIP => $clientip,
};
- my $cookie_name = 'PVEAuthCookie';
-
$headers->{'cookie'} = PVE::REST::create_auth_cookie($ticket) if $ticket;
$headers->{'CSRFPreventionToken'} = $token if $token;
+ $headers->{'Accept-Encoding'} = 'gzip' if $reqstate->{accept_gzip};
my $content;
headers => $headers,
timeout => 30,
recurse => 0,
+ proxy => undef, # avoid use of $ENV{HTTP_PROXY}
keepalive => $keep_alive,
body => $content,
tls_ctx => $self->{tls_ctx},
undef $w;
+ if (!$reqstate->{hdl}) {
+ warn "proxy detected vanished client connection\n";
+ return;
+ }
+
eval {
my $code = delete $hdr->{Status};
my $msg = delete $hdr->{Reason};
delete $hdr->{URL};
delete $hdr->{HTTPVersion};
my $header = HTTP::Headers->new(%$hdr);
+ if (my $location = $header->header('Location')) {
+ $location =~ s|^http://localhost:85||;
+ $header->header(Location => $location);
+ }
my $resp = HTTP::Response->new($code, $msg, $header, $body);
+ # Note: disable compression, because body is already compressed
$self->response($reqstate, $resp, undef, 1);
};
warn $@ if $@;
return $res;
}
-my $extract_params = sub {
+sub extract_params {
my ($r, $method) = @_;
my $params = {};
}
return PVE::Tools::decode_utf8_parameters($params);
-};
+}
sub handle_api2_request {
- my ($self, $reqstate, $auth, $upload_state) = @_;
+ my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_;
eval {
my $r = $reqstate->{request};
- my $method = $r->method();
- my $path = $r->uri->path();
my ($rel_uri, $format) = split_abs_uri($path);
- if (!$format) {
- $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri");
+
+ my $formatter = get_formatter($format);
+
+ if (!defined($formatter)) {
+ $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri $rel_uri, $format");
return;
}
if ($upload_state) {
$params = $upload_state->{params};
} else {
- $params = &$extract_params($r, $method); # fixme
+ $params = extract_params($r, $method);
}
delete $params->{_dc}; # remove disable cache parameter
my $res = PVE::REST::rest_handler($rpcenv, $clientip, $method, $rel_uri, $auth, $params);
+ AnyEvent->now_update(); # in case somebody called sleep()
+
$rpcenv->set_user(undef); # clear after request
- if ($res->{proxy}) {
+ my $upgrade = $r->header('upgrade');
+ $upgrade = lc($upgrade) if $upgrade;
+
+ if (my $host = $res->{proxy}) {
if ($self->{trusted_env}) {
$self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy not allowed");
return;
}
+ if ($host ne 'localhost' && $r->header('PVEDisableProxy')) {
+ $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected");
+ return;
+ }
+
$res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state;
- $self->proxy_request($reqstate, $clientip, $res->{proxy}, $method,
+ $self->proxy_request($reqstate, $clientip, $host, $method,
$r->uri, $auth->{ticket}, $auth->{token}, $res->{proxy_params});
return;
+ } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) {
+ die "unable to upgrade to protocol '$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket');
+ my $wsver = $r->header('sec-websocket-version');
+ die "unsupported websocket-version '$wsver'\n" if !$wsver || ($wsver ne '13');
+ my $wsproto_str = $r->header('sec-websocket-protocol');
+ die "missing websocket-protocol header" if !$wsproto_str;
+ my $wsproto;
+ foreach my $p (PVE::Tools::split_list($wsproto_str)) {
+ $wsproto = $p if !$wsproto && $p eq 'base64';
+ $wsproto = $p if $p eq 'binary';
+ }
+ die "unsupported websocket-protocol protocol '$wsproto_str'\n" if !$wsproto;
+ my $wskey = $r->header('sec-websocket-key');
+ die "missing websocket-key\n" if !$wskey;
+ # Note: Digest::SHA::sha1_base64 has wrong padding
+ my $wsaccept = Digest::SHA::sha1_base64("${wskey}258EAFA5-E914-47DA-95CA-C5AB0DC85B11") . "=";
+ if ($res->{status} == HTTP_OK) {
+ $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data});
+ return;
+ }
}
- PVE::REST::prepare_response_data($format, $res);
- my ($raw, $ct) = PVE::REST::format_response_data($format, $res, $path);
+ my $delay = 0;
+ if ($res->{status} == HTTP_UNAUTHORIZED) {
+ # always delay unauthorized calls by 3 seconds
+ $delay = 3 - tv_interval($reqstate->{starttime});
+ $delay = 0 if $delay < 0;
+ }
- my $resp = HTTP::Response->new($res->{status}, $res->{message});
- $resp->header("Content-Type" => $ct);
- $resp->content($raw);
- $self->response($reqstate, $resp);
+ if ($res->{info} && $res->{info}->{formatter}) {
+ if (defined(my $func = $res->{info}->{formatter}->{$format})) {
+ $formatter = $func;
+ }
+ }
+
+ my ($raw, $ct, $nocomp) = &$formatter($res, $res->{data}, $params, $path, $auth);
+
+ my $resp;
+ if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
+ $resp = $raw;
+ } else {
+ $resp = HTTP::Response->new($res->{status}, $res->{message});
+ $resp->header("Content-Type" => $ct);
+ $resp->content($raw);
+ }
+ $self->response($reqstate, $resp, undef, $nocomp, $delay);
};
if (my $err = $@) {
$self->error($reqstate, 501, $err);
}
}
+sub handle_spice_proxy_request {
+ my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_;
+
+ eval {
+
+ die "Port $spiceport is not allowed" if ($spiceport < 61000 || $spiceport > 61099);
+
+ my $rpcenv = $self->{rpcenv};
+ $rpcenv->init_request();
+
+ my $clientip = $reqstate->{peer_host};
+ my $r = $reqstate->{request};
+
+ my $remip;
+
+ if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) {
+ $remip = PVE::Cluster::remote_node_ip($node);
+ die "unable to get remote IP address for node '$node'\n" if !$remip;
+ print "REMOTE CONNECT $vmid, $remip, $connect_str\n" if $self->{debug};
+ } else {
+ print "$$: CONNECT $vmid, $node, $spiceport\n" if $self->{debug};
+ }
+
+ if ($remip && $r->header('PVEDisableProxy')) {
+ $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected");
+ return;
+ }
+
+ $reqstate->{hdl}->timeout(0);
+ $reqstate->{hdl}->wbuf_max(64*10*1024);
+
+ my $remhost = $remip ? $remip : "localhost";
+ my $remport = $remip ? 3128 : $spiceport;
+
+ tcp_connect $remhost, $remport, sub {
+ my ($fh) = @_
+ or die "connect to '$remhost:$remport' failed: $!";
+
+ print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug};
+ $reqstate->{proxyhdl} = AnyEvent::Handle->new(
+ fh => $fh,
+ rbuf_max => 64*1024,
+ wbuf_max => 64*10*1024,
+ timeout => 5,
+ on_eof => sub {
+ my ($hdl) = @_;
+ eval {
+ $self->log_aborted_request($reqstate);
+ $self->client_do_disconnect($reqstate);
+ };
+ if (my $err = $@) { syslog('err', $err); }
+ },
+ on_error => sub {
+ my ($hdl, $fatal, $message) = @_;
+ eval {
+ $self->log_aborted_request($reqstate, $message);
+ $self->client_do_disconnect($reqstate);
+ };
+ if (my $err = $@) { syslog('err', "$err"); }
+ });
+
+
+ my $proxyhdlreader = sub {
+ my ($hdl) = @_;
+
+ my $len = length($hdl->{rbuf});
+ my $data = substr($hdl->{rbuf}, 0, $len, '');
+
+ #print "READ1 $len\n";
+ $reqstate->{hdl}->push_write($data) if $reqstate->{hdl};
+ };
+
+ my $hdlreader = sub {
+ my ($hdl) = @_;
+
+ my $len = length($hdl->{rbuf});
+ my $data = substr($hdl->{rbuf}, 0, $len, '');
+
+ #print "READ0 $len\n";
+ $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl};
+ };
+
+ my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0';
+
+ my $startproxy = sub {
+ $reqstate->{proxyhdl}->timeout(0);
+ $reqstate->{proxyhdl}->on_read($proxyhdlreader);
+ $reqstate->{hdl}->on_read($hdlreader);
+
+ # todo: use stop_read/start_read if write buffer grows to much
+
+ my $res = "$proto 200 OK\015\012"; # hope this is the right answer?
+ $reqstate->{hdl}->push_write($res);
+
+ # log early
+ $reqstate->{log}->{code} = 200;
+ $self->log_request($reqstate);
+ };
+
+ if ($remip) {
+ my $header = "CONNECT ${connect_str} $proto\015\012" .
+ "Host: ${connect_str}\015\012" .
+ "Proxy-Connection: keep-alive\015\012" .
+ "User-Agent: spiceproxy\015\012" .
+ "PVEDisableProxy: true\015\012" .
+ "PVEClientIP: $clientip\015\012" .
+ "\015\012";
+
+ $reqstate->{proxyhdl}->push_write($header);
+ $reqstate->{proxyhdl}->push_read(line => sub {
+ my ($hdl, $line) = @_;
+
+ if ($line =~ m!^$proto 200 OK$!) {
+ &$startproxy();
+ } else {
+ $reqstate->{hdl}->push_write($line);
+ $self->client_do_disconnect($reqstate);
+ }
+ });
+ } else {
+ &$startproxy();
+ }
+
+ };
+ };
+ if (my $err = $@) {
+ warn $err;
+ $self->log_aborted_request($reqstate, $err);
+ $self->client_do_disconnect($reqstate);
+ }
+}
+
sub handle_request {
- my ($self, $reqstate, $auth) = @_;
+ my ($self, $reqstate, $auth, $method, $path) = @_;
eval {
my $r = $reqstate->{request};
- my $method = $r->method();
- my $path = $r->uri->path();
+
+ # disable timeout on handle (we already have all data we need)
+ # we re-enable timeout in response()
+ $reqstate->{hdl}->timeout(0);
if ($path =~ m!$baseuri!) {
- $self->handle_api2_request($reqstate, $auth);
+ $self->handle_api2_request($reqstate, $auth, $method, $path);
return;
}
}
sub file_upload_multipart {
- my ($self, $reqstate, $auth, $rstate) = @_;
+ my ($self, $reqstate, $auth, $method, $path, $rstate) = @_;
eval {
my $boundary = $rstate->{boundary};
my $len = length($hdl->{rbuf});
my $wlen = $len - $rstate->{boundlen};
if ($wlen > 0) {
- my $data = substr($hdl->{rbuf}, 0, $wlen, '');
+ my $data = substr($hdl->{rbuf}, 0, $wlen, '');
die "write to temporary file failed - $!"
if syswrite($rstate->{outfh}, $data) != $wlen;
$rstate->{bytes} += $wlen;
if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) {
my ($rest, $eof) = ($1, $3);
my $len = length($rest);
- if ($len < 1024) { # fixme: max data size
+ $rstate->{post_size} += $len;
+ if ($rstate->{post_size} < $limit_max_post) {
$rstate->{params}->{$rstate->{fieldname}} = $rest;
$rstate->{phase} = $eof ? 100 : 0;
} else {
- syslog('err', "for data to large - abort upload");
+ syslog('err', "form data to large - abort upload");
$rstate->{phase} = -1; # skip
}
}
if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) {
$rstate->{done} = 1; # make sure we dont get called twice
if ($rstate->{phase} < 0 || !$rstate->{md5sum}) {
- $self->error($reqstate, 501, "upload failed"); # fixme: better msg
+ die "upload failed\n";
} else {
my $elapsed = tv_interval($rstate->{starttime});
my $rate = int($rstate->{bytes}/($elapsed*1024*1024));
syslog('info', "multipart upload complete " .
- "(size: %d time: %ds rate: %.2fMiB/s)", $rstate->{size}, $elapsed, $rate);
- $self->handle_api2_request($reqstate, $auth, $rstate);
+ "(size: %d time: %ds rate: %.2fMiB/s md5sum: $rstate->{md5sum})",
+ $rstate->{bytes}, $elapsed, $rate);
+ $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate);
}
}
};
if (my $err = $@) {
+ syslog('err', $err);
$self->error($reqstate, 501, $err);
}
}
if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) {
$name = $1;
$name =~ s/^"(.*)"$/$1/;
- } elsif ($v =~ m/^\s*filename\s*=\s*(\S+?)\s*$/o) {
+ } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) {
$filename = $1;
$filename =~ s/^"(.*)"$/$1/;
}
sub unshift_read_header {
my ($self, $reqstate, $state) = @_;
- $state = {} if !$state;
+ $state = { size => 0, count => 0 } if !$state;
$reqstate->{hdl}->unshift_read(line => sub {
my ($hdl, $line) = @_;
eval {
- #print "$$: got header: $line\n";
+ # print "$$: got header: $line\n" if $self->{debug};
+
+ die "to many http header lines\n" if ++$state->{count} >= $limit_max_headers;
+ die "http header too large\n" if ($state->{size} += length($line)) >= $limit_max_header_size;
my $r = $reqstate->{request};
if ($line eq '') {
- my $path = $r->uri->path();
+ my $path = uri_unescape($r->uri->path());
my $method = $r->method();
$r->push_header($state->{key}, $state->{val})
}
my $conn = $r->header('Connection');
+ my $accept_enc = $r->header('Accept-Encoding');
+ $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0;
if ($conn) {
$reqstate->{keep_alive} = 0 if $conn =~ m/close/oi;
# header processing complete - authenticate now
my $auth = {};
- if ($path =~ m!$baseuri!) {
+ if ($self->{spiceproxy}) {
+ my $connect_str = $r->header('Host');
+ my ($vmid, $node, $port) = PVE::AccessControl::verify_spice_connect_url($connect_str);
+ if (!(defined($vmid) && $node && $port)) {
+ $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket");
+ return;
+ }
+ $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port);
+ return;
+ } elsif ($path =~ m!$baseuri!) {
my $token = $r->header('CSRFPreventionToken');
my $cookie = $r->header('Cookie');
my $ticket = PVE::REST::extract_auth_cookie($cookie);
$rel_uri, $ticket, $token);
};
if (my $err = $@) {
- $self->error($reqstate, HTTP_UNAUTHORIZED, $err);
+ # always delay unauthorized calls by 3 seconds
+ my $delay = 3;
+ if (my $formatter = get_login_formatter($format)) {
+ my ($raw, $ct, $nocomp) = &$formatter($path, $auth);
+ my $resp;
+ if (ref($raw) && (ref($raw) eq 'HTTP::Response')) {
+ $resp = $raw;
+ } else {
+ $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required");
+ $resp->header("Content-Type" => $ct);
+ $resp->content($raw);
+ }
+ $self->response($reqstate, $resp, undef, $nocomp, 3);
+ } else {
+ my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err);
+ $self->response($reqstate, $resp, undef, 0, $delay);
+ }
return;
}
}
$reqstate->{log}->{userid} = $auth->{userid};
- if (defined($len)) {
+ if ($len) {
if (!($method eq 'PUT' || $method eq 'POST')) {
$self->error($reqstate, 501, "Unexpected content for method '$method'");
params => decode_urlencoded($r->url->query()),
phase => 0,
read => 0,
+ post_size => 0,
starttime => [gettimeofday],
outfh => $outfh,
};
$reqstate->{tmpfilename} = $tmpfilename;
- $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $state); });
+ $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); });
+ return;
+ }
+
+ if ($len > $limit_max_post) {
+ $self->error($reqstate, 501, "for data too large");
return;
}
$reqstate->{hdl}->unshift_read(chunk => $len, sub {
my ($hdl, $data) = @_;
$r->content($data);
- $self->handle_request($reqstate, $auth);
+ $self->handle_request($reqstate, $auth, $method, $path);
});
} else {
$self->error($reqstate, 506, "upload 'Content-Type '$ctype' not implemented");
}
} else {
- $self->handle_request($reqstate, $auth);
+ $self->handle_request($reqstate, $auth, $method, $path);
}
} elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) {
$r->push_header($state->{key}, $state->{val}) if $state->{key};
my ($hdl, $line) = @_;
eval {
- #print "got request header: $line\n";
+ # print "got request header: $line\n" if $self->{debug};
$reqstate->{keep_alive}--;
if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) {
- my ($method, $uri, $maj, $min) = ($1, $2, $3, $4);
+ my ($method, $url, $maj, $min) = ($1, $2, $3, $4);
if ($maj != 1) {
$self->error($reqstate, 506, "http protocol version $maj.$min not supported");
$reqstate->{proto}->{maj} = $maj;
$reqstate->{proto}->{min} = $min;
$reqstate->{proto}->{ver} = $maj*1000+$min;
- $reqstate->{request} = HTTP::Request->new($method, $uri);
+ $reqstate->{request} = HTTP::Request->new($method, $url);
+ $reqstate->{starttime} = [gettimeofday],
$self->unshift_read_header($reqstate);
} elsif ($line eq '') {
undef $self->{socket_watch};
+ $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/;
+
if ($self->{conn_count} <= 0) {
$self->{end_cond}->send(1);
return;
}
+ # fork and exit, so that parent starts a new worker
+ if (fork()) {
+ exit(0);
+ }
+
# else we need to wait until all open connections gets closed
my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub {
eval {
});
}
+
+sub check_host_access {
+ my ($self, $clientip) = @_;
+
+ my $cip = Net::IP->new($clientip);
+
+ my $match_allow = 0;
+ my $match_deny = 0;
+
+ if ($self->{allow_from}) {
+ foreach my $t (@{$self->{allow_from}}) {
+ if ($t->overlaps($cip)) {
+ $match_allow = 1;
+ last;
+ }
+ }
+ }
+
+ if ($self->{deny_from}) {
+ foreach my $t (@{$self->{deny_from}}) {
+ if ($t->overlaps($cip)) {
+ $match_deny = 1;
+ last;
+ }
+ }
+ }
+
+ if ($match_allow == $match_deny) {
+ # match both allow and deny, or no match
+ return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0;
+ }
+
+ return $match_allow;
+}
+
sub accept_connections {
my ($self) = @_;
my $reqstate = { keep_alive => $self->{keep_alive} };
+ # stop keep-alive when there are many open connections
+ if ($self->{conn_count} >= $self->{max_conn_soft_limit}) {
+ $reqstate->{keep_alive} = 0;
+ }
+
if (my $sin = getpeername($clientfh)) {
- my ($pport, $phost) = Socket::unpack_sockaddr_in($sin);
- ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntoa($phost));
+ my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin);
+ ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost));
+ }
+
+ if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) {
+ print "$$: ABORT request from $reqstate->{peer_host} - access denied\n" if $self->{debug};
+ $reqstate->{log}->{code} = 403;
+ $self->log_request($reqstate);
+ next;
}
$reqstate->{hdl} = AnyEvent::Handle->new(
my $class = ref($this) || $this;
- foreach my $req (qw(socket lockfh lockfile)) {
+ foreach my $req (qw(base_handler_class socket lockfh lockfile)) {
die "misssing required argument '$req'" if !defined($args{$req});
}
my $self = bless { %args }, $class;
+ PVE::REST::set_base_handler_class($self->{base_handler_class});
+
# init inotify
PVE::INotify::inotify_init();
$self->{max_conn} = 800 if !$self->{max_conn};
$self->{max_requests} = 8000 if !$self->{max_requests};
+ $self->{policy} = 'allow' if !$self->{policy};
+
$self->{end_cond} = AnyEvent->condvar;
if ($self->{ssl}) {
$self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}});
+ Net::SSLeay::CTX_set_options($self->{tls_ctx}->{ctx}, &Net::SSLeay::OP_NO_COMPRESSION);
+ }
+
+ if ($self->{spiceproxy}) {
+ $known_methods = { CONNECT => 1 };
}
$self->open_access_log($self->{logfile}) if $self->{logfile};
+ $self->{max_conn_soft_limit} = $self->{max_conn} > 100 ? $self->{max_conn} - 20 : $self->{max_conn};
+
$self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub {
eval {
if ($self->{conn_count} >= $self->{max_conn}) {
projects / pve-manager.git / blobdiff