зеркало из https://github.com/mozilla/gecko-dev.git
Backed out changeset 910d59989abb (bug 1786885) for causing multiple failures. CLOSED TREE
This commit is contained in:
Iulian Moraru
Родитель
cc2eb39139
Коммит
0b9b4fc806
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@ -61,18 +61,6 @@
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#include "nsIException.h"
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#include "VsyncSource.h"
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#ifdef XP_UNIX
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# include <errno.h>
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# include <unistd.h>
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# include <fcntl.h>
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# include <poll.h>
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# include <sys/wait.h>
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# ifdef XP_LINUX
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# include <sys/prctl.h>
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# endif
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#endif
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namespace mozilla::dom {
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/* static */
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@ -985,41 +973,6 @@ void ChromeUtils::DefineESModuleGetters(const GlobalObject& global,
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}
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}
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#ifdef XP_UNIX
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/* static */
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void ChromeUtils::GetLibcConstants(const GlobalObject&,
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LibcConstants& aConsts) {
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aConsts.mEINTR.Construct(EINTR);
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aConsts.mEACCES.Construct(EACCES);
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aConsts.mEAGAIN.Construct(EAGAIN);
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aConsts.mEINVAL.Construct(EINVAL);
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aConsts.mENOSYS.Construct(ENOSYS);
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aConsts.mF_SETFD.Construct(F_SETFD);
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aConsts.mF_SETFL.Construct(F_SETFL);
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aConsts.mFD_CLOEXEC.Construct(FD_CLOEXEC);
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aConsts.mAT_EACCESS.Construct(AT_EACCESS);
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aConsts.mO_CREAT.Construct(O_CREAT);
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aConsts.mO_NONBLOCK.Construct(O_NONBLOCK);
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aConsts.mO_WRONLY.Construct(O_WRONLY);
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aConsts.mPOLLERR.Construct(POLLERR);
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aConsts.mPOLLHUP.Construct(POLLHUP);
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aConsts.mPOLLIN.Construct(POLLIN);
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aConsts.mPOLLNVAL.Construct(POLLNVAL);
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aConsts.mPOLLOUT.Construct(POLLOUT);
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aConsts.mWNOHANG.Construct(WNOHANG);
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# ifdef XP_LINUX
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aConsts.mPR_CAPBSET_READ.Construct(PR_CAPBSET_READ);
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# endif
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}
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#endif
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/* static */
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void ChromeUtils::OriginAttributesToSuffix(
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dom::GlobalObject& aGlobal, const dom::OriginAttributesDictionary& aAttrs,
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@ -226,10 +226,6 @@ class ChromeUtils {
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JS::Handle<JSObject*> modules,
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ErrorResult& aRv);
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#ifdef XP_UNIX
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static void GetLibcConstants(const GlobalObject&, LibcConstants& aConsts);
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#endif
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static void GetCallerLocation(const GlobalObject& global,
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nsIPrincipal* principal,
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JS::MutableHandle<JSObject*> aRetval);
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@ -289,14 +289,6 @@ namespace ChromeUtils {
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[Throws]
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undefined defineLazyGetter(object aTarget, any aName, object aLambda);
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#ifdef XP_UNIX
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/**
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* Return platform-specific libc constants, such as errno values.
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*/
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LibcConstants getLibcConstants();
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#endif
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/**
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* IF YOU ADD NEW METHODS HERE, MAKE SURE THEY ARE THREAD-SAFE.
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*/
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@ -1044,36 +1036,3 @@ enum JSRFPTarget {
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"RoundWindowSize",
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"SiteSpecificZoom",
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};
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#ifdef XP_UNIX
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dictionary LibcConstants {
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long EINTR;
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long EACCES;
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long EAGAIN;
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long EINVAL;
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long ENOSYS;
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long F_SETFD;
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long F_SETFL;
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long FD_CLOEXEC;
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long AT_EACCESS;
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long O_CREAT;
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long O_NONBLOCK;
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long O_WRONLY;
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long POLLIN;
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long POLLOUT;
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long POLLERR;
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long POLLHUP;
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long POLLNVAL;
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long WNOHANG;
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#ifdef XP_LINUX
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long PR_CAPBSET_READ;
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#endif
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};
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#endif
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@ -9,10 +9,33 @@ Services.scriptloader.loadSubScript(
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this
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);
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const lazy = {};
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const ERRNO = {
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EACCES: 13,
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EINVAL: 22,
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get ENOSYS() {
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const os = Services.appinfo.OS;
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/* getLibcConstants is only present on *nix */
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XPCOMUtils.defineLazyGetter(lazy, "LIBC", () => ChromeUtils.getLibcConstants());
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if (["Linux", "Android"].includes(os)) {
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// https://github.com/torvalds/linux/blob/9a48d604672220545d209e9996c2a1edbb5637f6/include/uapi/asm-generic/errno.h#L18
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return 38;
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} else if (
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["Darwin", "DragonFly", "FreeBSD", "OpenBSD", "NetBSD"].includes(os)
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) {
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/*
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* Darwin: https://opensource.apple.com/source/xnu/xnu-201/bsd/sys/errno.h.auto.html
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* DragonFly: https://github.com/DragonFlyBSD/DragonFlyBSD/blob/5e488df32cb01056a5b714a522e51c69ab7b4612/sys/sys/errno.h#L172
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* FreeBSD: https://github.com/freebsd/freebsd-src/blob/7232e6dcc89b978825b30a537bca2e7d3a9b71bb/sys/sys/errno.h#L157
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* OpenBSD: https://github.com/openbsd/src/blob/025fffe4c6e0113862ce4e1927e67517a2841502/sys/sys/errno.h#L151
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* NetBSD: https://github.com/NetBSD/src/blob/ff24f695f5f53540b23b6bb4fa5c0b9d79b369e4/sys/sys/errno.h#L137
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*/
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return 78;
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} else if (os === "WINNT") {
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// https://learn.microsoft.com/en-us/cpp/c-runtime-library/errno-constants?view=msvc-170
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return 40;
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}
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throw new Error("Unsupported OS");
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},
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};
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/*
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* This test is for executing system calls in content processes to validate
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@ -144,6 +167,20 @@ function callFaccessat2(args) {
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return rv;
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}
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// open syscall flags
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function openWriteCreateFlags() {
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Assert.ok(isMac() || isLinux());
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if (isMac()) {
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let O_WRONLY = 0x001;
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let O_CREAT = 0x200;
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return O_WRONLY | O_CREAT;
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}
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// Linux
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let O_WRONLY = 0x01;
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let O_CREAT = 0x40;
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return O_WRONLY | O_CREAT;
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}
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// Returns the name of the native library needed for native syscalls
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function getOSLib() {
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switch (Services.appinfo.OS) {
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@ -287,7 +324,7 @@ add_task(async function () {
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if (isLinux() || isMac()) {
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// open a file for writing in $HOME, this should fail
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let path = fileInHomeDir().path;
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let flags = lazy.LIBC.O_CREAT | lazy.LIBC.O_WRONLY;
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let flags = openWriteCreateFlags();
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let fd = await SpecialPowers.spawn(
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browser,
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[{ lib, path, flags }],
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@ -302,7 +339,7 @@ add_task(async function () {
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// macOS and work on Linux. The open handler in the content process closes
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// the file for us
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let path = fileInTempDir().path;
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let flags = lazy.LIBC.O_CREAT | lazy.LIBC.O_WRONLY;
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let flags = openWriteCreateFlags();
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let fd = await SpecialPowers.spawn(
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browser,
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[{ lib, path, flags }],
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@ -353,11 +390,13 @@ add_task(async function () {
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if (isLinux()) {
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// These constants are not portable.
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const AT_EACCESS = 512;
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const PR_CAPBSET_READ = 23;
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// verify we block PR_CAPBSET_READ with EINVAL
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let option = lazy.LIBC.PR_CAPBSET_READ;
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let option = PR_CAPBSET_READ;
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let rv = await SpecialPowers.spawn(browser, [{ lib, option }], callPrctl);
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ok(rv === lazy.LIBC.EINVAL, "prctl(PR_CAPBSET_READ) is blocked");
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ok(rv === ERRNO.EINVAL, "prctl(PR_CAPBSET_READ) is blocked");
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const kernelVersion = await getKernelVersion();
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const glibcVersion = getGlibcVersion();
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@ -373,18 +412,15 @@ add_task(async function () {
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[{ lib, dirfd, path, mode, flag: 0x01 }],
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callFaccessat2
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);
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ok(
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rv === lazy.LIBC.ENOSYS,
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"faccessat2 (flag=0x01) was blocked with ENOSYS"
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);
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ok(rv === ERRNO.ENOSYS, "faccessat2 (flag=0x01) was blocked with ENOSYS");
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rv = await SpecialPowers.spawn(
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browser,
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[{ lib, dirfd, path, mode, flag: lazy.LIBC.AT_EACCESS }],
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[{ lib, dirfd, path, mode, flag: AT_EACCESS }],
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callFaccessat2
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);
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ok(
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rv === lazy.LIBC.EACCES,
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rv === ERRNO.EACCES,
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"faccessat2 (flag=0x200) was allowed, errno=EACCES"
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);
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} else {
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@ -5,6 +5,13 @@
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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if (typeof Components !== "undefined") {
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/* global OS */
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Cc["@mozilla.org/net/osfileconstantsservice;1"]
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.getService(Ci.nsIOSFileConstantsService)
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.init();
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}
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/* exported LIBC, libc */
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// ctypes is either already available in the chrome worker scope, or defined
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@ -14,7 +21,7 @@
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// This file is loaded into the same scope as subprocess_shared.js.
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/* import-globals-from subprocess_shared.js */
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var LIBC = ChromeUtils.getLibcConstants();
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var LIBC = OS.Constants.libc;
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const LIBC_CHOICES = ["libc.so", "libSystem.B.dylib", "a.out"];
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@ -5,7 +5,14 @@
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* exported createPipe, libc, win32 */
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if (typeof Components !== "undefined") {
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/* global OS */
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Cc["@mozilla.org/net/osfileconstantsservice;1"]
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.getService(Ci.nsIOSFileConstantsService)
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.init();
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}
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/* exported LIBC, Win, createPipe, libc, win32 */
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// ctypes is either already available in the chrome worker scope, or defined
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// in scope via loadSubScript.
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@ -14,6 +21,10 @@
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// This file is loaded into the same scope as subprocess_shared.js.
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/* import-globals-from subprocess_shared.js */
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const LIBC = OS.Constants.libc;
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const Win = OS.Constants.Win;
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const LIBC_CHOICES = ["kernel32.dll"];
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var win32 = {
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@ -88,13 +99,8 @@ Object.assign(win32, {
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ERROR_BROKEN_PIPE: 109,
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ERROR_INSUFFICIENT_BUFFER: 122,
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FILE_ATTRIBUTE_NORMAL: 0x00000080,
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FILE_FLAG_OVERLAPPED: 0x40000000,
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GENERIC_WRITE: 0x40000000,
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OPEN_EXISTING: 0x00000007,
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PIPE_TYPE_BYTE: 0x00,
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PIPE_ACCESS_INBOUND: 0x01,
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@ -444,7 +450,7 @@ win32.Handle = function (handle) {
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win32.createPipe = function (secAttr, readFlags = 0, writeFlags = 0, size = 0) {
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readFlags |= win32.PIPE_ACCESS_INBOUND;
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writeFlags |= win32.FILE_ATTRIBUTE_NORMAL;
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writeFlags |= Win.FILE_ATTRIBUTE_NORMAL;
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if (size == 0) {
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size = 4096;
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@ -465,7 +471,7 @@ win32.createPipe = function (secAttr, readFlags = 0, writeFlags = 0, size = 0) {
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);
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let isInvalid = handle =>
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String(handle) == String(win32.INVALID_HANDLE_VALUE);
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String(handle) == String(win32.HANDLE(Win.INVALID_HANDLE_VALUE));
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if (isInvalid(readHandle)) {
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return [];
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@ -473,10 +479,10 @@ win32.createPipe = function (secAttr, readFlags = 0, writeFlags = 0, size = 0) {
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let writeHandle = libc.CreateFileW(
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pipeName,
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win32.GENERIC_WRITE,
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Win.GENERIC_WRITE,
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0,
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secAttr.address(),
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win32.OPEN_EXISTING,
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Win.OPEN_EXISTING,
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writeFlags,
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null
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);
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