GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘ޝpß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Аè•m"сœn|@›U¶ÆÎž—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X ÓØ)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oа^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /opt/cpanel/ea-ruby27/src/passenger-release-6.0.23/src/cxx_supportlib//Utils.cpp
/*
 *  Phusion Passenger - https://www.phusionpassenger.com/
 *  Copyright (c) 2010-2018 Phusion Holding B.V.
 *
 *  "Passenger", "Phusion Passenger" and "Union Station" are registered
 *  trademarks of Phusion Holding B.V.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */

#include <oxt/system_calls.hpp>
#include <boost/thread.hpp>
#include <boost/shared_array.hpp>

#include <algorithm>
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cerrno>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <sys/uio.h>
#include <libgen.h>
#include <fcntl.h>
#include <poll.h>
#include <dirent.h>
#include <limits.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#ifdef __linux__
	#include <sys/syscall.h>
	#include <features.h>
#endif
#include <vector>
#include <FileDescriptor.h>
#include <ResourceLocator.h>
#include <Exceptions.h>
#include <ProcessManagement/Spawn.h>
#include <ProcessManagement/Utils.h>
#include <Utils.h>
#include <StrIntTools/StrIntUtils.h>
#include <IOTools/IOUtils.h>

#ifndef HOST_NAME_MAX
	#if defined(_POSIX_HOST_NAME_MAX)
		#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
	#elif defined(_SC_HOST_NAME_MAX)
		#define HOST_NAME_MAX sysconf(_SC_HOST_NAME_MAX)
	#else
		#define HOST_NAME_MAX 255
	#endif
#endif

namespace Passenger {


string
escapeForXml(const StaticString &input) {
	string result(input.data(), input.size());
	string::size_type input_pos = 0;
	string::size_type input_end_pos = input.size();
	string::size_type result_pos = 0;

	while (input_pos < input_end_pos) {
		const unsigned char ch = input[input_pos];

		if ((ch >= 'A' && ch <= 'z')
		 || (ch >= '0' && ch <= '9')
		 || ch == '/' || ch == ' ' || ch == '_' || ch == '.'
		 || ch == ':' || ch == '+' || ch == '-') {
			// This is an ASCII character. Ignore it and
			// go to next character.
			result_pos++;
		} else {
			// Not an ASCII character; escape it.
			char escapedCharacter[sizeof("&#255;") + 1];
			int size;

			size = snprintf(escapedCharacter,
				sizeof(escapedCharacter) - 1,
				"&#%d;",
				(int) ch);
			if (size < 0) {
				throw std::bad_alloc();
			}
			escapedCharacter[sizeof(escapedCharacter) - 1] = '\0';

			result.replace(result_pos, 1, escapedCharacter, size);
			result_pos += size;
		}
		input_pos++;
	}

	return result;
}

string
escapeShell(const StaticString &value) {
	if (value.empty()) {
		return "''";
	}

	const char *pos = value.data();
	const char *end = value.data() + value.size();
	string result;

	result.reserve((value.size() * 3) / 2);

	while (pos < end) {
		char ch = *pos;
		if (ch == '\n') {
			// It is not possible to escape a newline with a backslash.
			// This is because a backslash + newline combination
			// is treated to mean a line continuation
			result.append("'\n'", 3);
		} else {
			bool allowed =
				(ch >= 'A' && ch <= 'Z')
				|| (ch >= 'a' && ch <= 'z')
				|| (ch >= '0' && ch <= '9')
				|| ch == '_'
				|| ch == '-'
				|| ch == '.'
				|| ch == ','
				|| ch == ':'
				|| ch == '/'
				|| ch == '@';
			if (!allowed) {
				result.append(1, '\\');
			}
			result.append(1, ch);
		}
		pos++;
	}

	return result;
}

mode_t
parseModeString(const StaticString &mode) {
	mode_t modeBits = 0;
	vector<string> clauses;
	vector<string>::iterator it;

	split(mode, ',', clauses);
	for (it = clauses.begin(); it != clauses.end(); it++) {
		const string &clause = *it;

		if (clause.empty()) {
			continue;
		} else if (clause.size() < 2 || (clause[0] != '+' && clause[1] != '=')) {
			throw InvalidModeStringException("Invalid mode clause specification '" + clause + "'");
		}

		switch (clause[0]) {
		case 'u':
			for (string::size_type i = 2; i < clause.size(); i++) {
				switch (clause[i]) {
				case 'r':
					modeBits |= S_IRUSR;
					break;
				case 'w':
					modeBits |= S_IWUSR;
					break;
				case 'x':
					modeBits |= S_IXUSR;
					break;
				case 's':
					modeBits |= S_ISUID;
					break;
				default:
					throw InvalidModeStringException("Invalid permission '" +
						string(1, clause[i]) +
						"' in mode clause specification '" +
						clause + "'");
				}
			}
			break;
		case 'g':
			for (string::size_type i = 2; i < clause.size(); i++) {
				switch (clause[i]) {
				case 'r':
					modeBits |= S_IRGRP;
					break;
				case 'w':
					modeBits |= S_IWGRP;
					break;
				case 'x':
					modeBits |= S_IXGRP;
					break;
				case 's':
					modeBits |= S_ISGID;
					break;
				default:
					throw InvalidModeStringException("Invalid permission '" +
						string(1, clause[i]) +
						"' in mode clause specification '" +
						clause + "'");
				}
			}
			break;
		case 'o':
			for (string::size_type i = 2; i < clause.size(); i++) {
				switch (clause[i]) {
				case 'r':
					modeBits |= S_IROTH;
					break;
				case 'w':
					modeBits |= S_IWOTH;
					break;
				case 'x':
					modeBits |= S_IXOTH;
					break;
				default:
					throw InvalidModeStringException("Invalid permission '" +
						string(1, clause[i]) +
						"' in mode clause specification '" +
						clause + "'");
				}
			}
			break;
		case '+':
			for (string::size_type i = 1; i < clause.size(); i++) {
				switch (clause[i]) {
				case 't':
					modeBits |= S_ISVTX;
					break;
				default:
					throw InvalidModeStringException("Invalid permission '" +
						string(1, clause[i]) +
						"' in mode clause specification '" +
						clause + "'");
				}
			}
			break;
		default:
			throw InvalidModeStringException("Invalid owner '" + string(1, clause[0]) +
				"' in mode clause specification '" + clause + "'");
		}
	}

	return modeBits;
}

const char *
getSystemTempDir() {
	const char *temp_dir = getenv("TMPDIR");
	if (temp_dir == NULL || *temp_dir == '\0') {
		temp_dir = "/tmp";
	}
	return temp_dir;
}

void
prestartWebApps(const ResourceLocator &locator, const string &ruby,
	const vector<string> &prestartURLs)
{
	/* Apache calls the initialization routines twice during startup, and
	 * as a result it starts two watchdogs, where the first one exits
	 * after a short idle period. We want any prespawning requests to reach
	 * the second watchdog, so we sleep for a short period before
	 * executing the prespawning scripts.
	 */
	syscalls::sleep(2);

	vector<string>::const_iterator it;
	string prespawnScript = locator.getHelperScriptsDir() + "/prespawn";

	it = prestartURLs.begin();
	while (it != prestartURLs.end() && !boost::this_thread::interruption_requested()) {
		if (it->empty()) {
			it++;
			continue;
		}

		const char *command[] = {
			ruby.c_str(),
			prespawnScript.c_str(),
			it->c_str(),
			NULL
		};
		SubprocessInfo info;
		runCommand(command, info);

		syscalls::sleep(1);
		it++;
	}
}

void
runAndPrintExceptions(const boost::function<void ()> &func, bool toAbort) {
	try {
		func();
	} catch (const boost::thread_interrupted &) {
		throw;
	} catch (const tracable_exception &e) {
		P_ERROR("Exception: " << e.what() << "\n" << e.backtrace());
		if (toAbort) {
			abort();
		}
	}
}

void
runAndPrintExceptions(const boost::function<void ()> &func) {
	runAndPrintExceptions(func, true);
}

string
getHostName() {
	long hostNameMax = HOST_NAME_MAX;
	if (hostNameMax < 255) {
		// https://bugzilla.redhat.com/show_bug.cgi?id=130733
		hostNameMax = 255;
	}

	string buf(hostNameMax + 1, '\0');
	if (gethostname(&buf[0], hostNameMax + 1) == 0) {
		buf[hostNameMax] = '\0';
		return string(buf.c_str());
	} else {
		int e = errno;
		throw SystemException("Unable to query the system's host name", e);
	}
}

string
getSignalName(int sig) {
	switch (sig) {
	case SIGHUP:
		return "SIGHUP";
	case SIGINT:
		return "SIGINT";
	case SIGQUIT:
		return "SIGQUIT";
	case SIGILL:
		return "SIGILL";
	case SIGTRAP:
		return "SIGTRAP";
	case SIGABRT:
		return "SIGABRT";
	case SIGFPE:
		return "SIGFPE";
	case SIGKILL:
		return "SIGKILL";
	case SIGBUS:
		return "SIGBUS";
	case SIGSEGV:
		return "SIGSEGV";
	case SIGPIPE:
		return "SIGPIPE";
	case SIGALRM:
		return "SIGARLM";
	case SIGTERM:
		return "SIGTERM";
	case SIGUSR1:
		return "SIGUSR1";
	case SIGUSR2:
		return "SIGUSR2";
	#ifdef SIGEMT
		case SIGEMT:
			return "SIGEMT";
	#endif
	#ifdef SIGINFO
		case SIGINFO:
			return "SIGINFO";
	#endif
	default:
		return toString(sig);
	}
}

void
breakpoint() {
	// No-op.
}

} // namespace Passenger

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