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Christian Blichmann befdb09597 Link more complex test cases dynamically 
Linking glibc in fully static mode is mostly unsupported. While such binaries
can easily be produced, conflicting symbols will often make them crash at
runtime. This happens because glibc will always (try to) load some dynamically
linked libraries, even when statically linked. This includes things like the
resolver, unicode/locale handling and others.

Internally at Google, this is not a concern due to the way glibc is being built
there. But in order to make all of our tests run in the open-source version of
this code, we need to change strategy a bit.

As a rule of thumb, glibc can safely be linked statically if a program is
resonably simple and does not use any networking of locale dependent
facilities. Calling syscalls directly instead of the corresponding libc
wrappers works as well, of course.

This change adjusts linker flags and sandbox policies to be more compatible
with regular Linux distributions.

Tested:
- `ctest -R '[A-Z].*'` (all SAPI/Sandbox2 tests)
PiperOrigin-RevId: 429025901
Change-Id: I46b677d9eb61080a8fe868002a34a77de287bf2d
2022-02-16 05:59:13 -08:00
..
examples Update zlib examples 2022-02-16 00:08:28 -08:00
network_proxy Remove comment on licenses() rule as per Google guidance. 2022-02-03 07:10:12 -08:00
testcases Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
unwind Apply page offset during stack unwinding/symbolization 2022-02-11 07:19:34 -08:00
util Apply page offset during stack unwinding/symbolization 2022-02-11 07:19:34 -08:00
bpfdisassembler.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
bpfdisassembler.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
buffer_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
buffer.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
buffer.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
BUILD.bazel Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
client.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
client.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
CMakeLists.txt Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
comms_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
comms_test.proto Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
comms.cc Add a little more logging to failure cases. 2022-02-09 06:54:07 -08:00
comms.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
executor.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
executor.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
fork_client.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
fork_client.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkingclient.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkingclient.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkserver_bin.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkserver_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkserver.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkserver.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
forkserver.proto Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
global_forkclient_lib_ctor.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
global_forkclient.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
global_forkclient.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
ipc_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
ipc.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
ipc.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
limits_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
limits.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
logserver.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
logserver.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
logserver.proto Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
logsink.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
logsink.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
monitor.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
monitor.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
mounts_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
mounts.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
mounts.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
mounttree.proto Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
namespace_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
namespace.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
namespace.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
notify_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
notify.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
policy_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
policy.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
policy.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
policybuilder_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
policybuilder.cc Allow mprotect(_, _, PROT_READ) for all static binaries 2022-02-15 00:14:25 -08:00
policybuilder.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
README.md Update references to the new documentation 2021-12-14 09:03:29 -08:00
regs_test.cc Fix -Wc++11-narrowing error with Clang introduced in 2546d9e 2022-01-14 03:40:01 -08:00
regs.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
regs.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
result.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
result.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
sandbox2_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
sandbox2.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
sandbox2.h Delete deprecated ::sandbox2::Sandbox2::GetPid and its remaining call sites. 2022-02-02 09:57:11 -08:00
sanitizer_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
sanitizer.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
sanitizer.h Delete deprecated ::sandbox2::Sandbox2::WaitForTsan and its remaining call sites. 2022-02-03 11:23:56 -08:00
stack_trace_test.cc Link more complex test cases dynamically 2022-02-16 05:59:13 -08:00
stack_trace.cc Enable stack traces on AArch64 2022-02-08 06:23:52 -08:00
stack_trace.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
syscall_defs.cc Add new x86-64 syscalls 2021-06-04 01:01:34 -07:00
syscall_defs.h Move utility code into sandboxed_api/util 2021-01-13 09:25:52 -08:00
syscall_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
syscall.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
syscall.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
testing.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
util_test.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
util.cc Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
util.h Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00
violation.proto Change license link to HTTPS URL 2022-01-28 01:39:09 -08:00

README.md

Sandbox2

Sandbox2 is a C++ security sandbox for Linux which can be used to run untrusted programs or portions of programs in confined environments. The idea is that the runtime environment is so restricted that security bugs such as buffer overflows in the protected region cause no harm.

Documentation

Detailed developer documentation is available on the Google Developers site for Sandboxed API under Sandbox2.

There is also a Getting Started guide for Sandbox2.