Merge remote-tracking branch 'nix-ghsa-wf4c-57rh-9pjg/advisory-fix-1-2.19' into 2.19-maintenance

This commit is contained in:
Eelco Dolstra 2024-10-30 21:42:25 +01:00
commit e89f7906db
3 changed files with 128 additions and 135 deletions

View File

@ -58,13 +58,17 @@ AC_CHECK_TOOL([AR], [ar])
AC_SYS_LARGEFILE
# Solaris-specific stuff.
# OS-specific stuff.
AC_STRUCT_DIRENT_D_TYPE
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

View File

@ -202,6 +202,7 @@
libsodium
]
++ lib.optionals stdenv.isLinux [libseccomp]
++ lib.optionals stdenv.isDarwin [darwin.apple_sdk.libs.sandbox]
++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid;
checkDeps = [

View File

@ -55,6 +55,10 @@
#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>
@ -2026,16 +2030,7 @@ void LocalDerivationGoal::runChild()
throw SysError("setuid failed");
}
/* Fill in the arguments. */
Strings args;
std::string builder = "invalid";
if (drv->isBuiltin()) {
;
}
#if __APPLE__
else {
/* This has to appear before import statements. */
std::string sandboxProfile = "(version 1)\n";
@ -2133,10 +2128,6 @@ 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
@ -2147,32 +2138,21 @@ void LocalDerivationGoal::runChild()
if (globalTmpDir.back() == '/') 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 {
builder = drv->builder;
args.push_back(std::string(baseNameOf(drv->builder)));
char * sandbox_errbuf = nullptr;
if (sandbox_init_with_parameters(sandboxProfile.c_str(), 0, stringsToCharPtrs(sandboxArgs).data(), &sandbox_errbuf)) {
writeFull(STDERR_FILENO, fmt("failed to configure sandbox: %s\n", sandbox_errbuf ? sandbox_errbuf : "(null)"));
_exit(1);
}
}
#else
else {
builder = drv->builder;
args.push_back(std::string(baseNameOf(drv->builder)));
}
#endif
for (auto & i : drv->args)
args.push_back(rewriteStrings(i, inputRewrites));
/* Indicate that we managed to set up the build environment. */
writeFull(STDERR_FILENO, std::string("\2\n"));
@ -2202,6 +2182,14 @@ void LocalDerivationGoal::runChild()
}
}
// Now builder is not builtin
Strings args;
args.push_back(std::string(baseNameOf(drv->builder)));
for (auto & i : drv->args)
args.push_back(rewriteStrings(i, inputRewrites));
#if __APPLE__
posix_spawnattr_t attrp;
@ -2223,9 +2211,9 @@ void LocalDerivationGoal::runChild()
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
}
posix_spawn(NULL, builder.c_str(), NULL, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
posix_spawn(NULL, drv->builder.c_str(), NULL, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
#else
execve(builder.c_str(), stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
execve(drv->builder.c_str(), stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
#endif
throw SysError("executing '%1%'", drv->builder);