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fix: Run all derivation builders inside the sandbox on macOS

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Puck Meerburg 2024-03-01 11:42:24 -05:00 committed by Robert Hensing
parent 766263d53a
commit d2c880b03f
3 changed files with 123 additions and 122 deletions
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6
configure.ac
View file

@ -62,12 +62,16 @@ AC_CHECK_TOOL([AR], [ar])
AC_SYS_LARGEFILE
# Solaris-specific stuff.
# OS-specific stuff.
case "$host_os" in
solaris*)
# Solaris requires -lsocket -lnsl for network functions
LDFLAGS="-lsocket -lnsl $LDFLAGS"
;;
darwin*)
# Need to link to libsandbox.
LDFLAGS="-lsandbox $LDFLAGS"
;;
esac

2
package.nix
View file

@ -23,6 +23,7 @@
, libseccomp
, libsodium
, man
, darwin
, lowdown
, mdbook
, mdbook-linkcheck
@ -232,6 +233,7 @@ in {
gtest
rapidcheck
] ++ lib.optional stdenv.isLinux libseccomp
++ lib.optional stdenv.hostPlatform.isDarwin darwin.apple_sdk.libs.sandbox
++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid
# There have been issues building these dependencies
++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform && (stdenv.isLinux || stdenv.isDarwin))

37
src/libstore/unix/build/local-derivation-goal.cc
View file

@ -58,6 +58,10 @@
#if __APPLE__
#include <spawn.h>
#include <sys/sysctl.h>
#include <sandbox.h>
/* This definition is undocumented but depended upon by all major browsers. */
extern "C" int sandbox_init_with_parameters(const char *profile, uint64_t flags, const char *const parameters[], char **errorbuf);
#endif
#include <pwd.h>
@ -2088,11 +2092,7 @@ void LocalDerivationGoal::runChild()
std::string builder = "invalid";
if (drv->isBuiltin()) {
;
}
#if __APPLE__
else {
/* This has to appear before import statements. */
std::string sandboxProfile = "(version 1)\n";
@ -2190,10 +2190,6 @@ void LocalDerivationGoal::runChild()
debug("Generated sandbox profile:");
debug(sandboxProfile);
Path sandboxFile = tmpDir + "/.sandbox.sb";
writeFile(sandboxFile, sandboxProfile);
bool allowLocalNetworking = parsedDrv->getBoolAttr("__darwinAllowLocalNetworking");
/* The tmpDir in scope points at the temporary build directory for our derivation. Some packages try different mechanisms
@ -2205,24 +2201,23 @@ void LocalDerivationGoal::runChild()
globalTmpDir.pop_back();
if (getEnv("_NIX_TEST_NO_SANDBOX") != "1") {
builder = "/usr/bin/sandbox-exec";
args.push_back("sandbox-exec");
args.push_back("-f");
args.push_back(sandboxFile);
args.push_back("-D");
args.push_back("_GLOBAL_TMP_DIR=" + globalTmpDir);
Strings sandboxArgs;
sandboxArgs.push_back("_GLOBAL_TMP_DIR");
sandboxArgs.push_back(globalTmpDir);
if (allowLocalNetworking) {
args.push_back("-D");
args.push_back(std::string("_ALLOW_LOCAL_NETWORKING=1"));
sandboxArgs.push_back("_ALLOW_LOCAL_NETWORKING");
sandboxArgs.push_back("1");
}
args.push_back(drv->builder);
} else {
if (sandbox_init_with_parameters(sandboxProfile.c_str(), 0, stringsToCharPtrs(sandboxArgs).data(), NULL)) {
writeFull(STDERR_FILENO, "failed to configure sandbox\n");
_exit(1);
}
}
builder = drv->builder;
args.push_back(std::string(baseNameOf(drv->builder)));
}
}
#else
else {
if (!drv->isBuiltin()) {
builder = drv->builder;
args.push_back(std::string(baseNameOf(drv->builder)));
}