commit | 1cf29fbe7fee0c7eea3fc0f5dd15d795f76ad60d | [log] [tgz] |
---|---|---|
author | Mattias Nissler <mnissler@google.com> | Mon Apr 20 23:14:03 2020 +0200 |
committer | Treehugger Robot <treehugger-gerrit@google.com> | Tue Apr 21 00:30:48 2020 +0000 |
tree | 303cdac6b72fc0f7ee928393138b9aa7ca290c33 | |
parent | e3a5cae1bf7d26d7c598e3ff23008963208e9bd3 [diff] |
Close redirected fds after dup2()-ing them. This restores a block of code that was incorrectly deemed unnecessary and removed in CL 1232493. BUG=chromium:1071691 TEST=Test case in CL 1288492 passes with the change, but not without. Change-Id: Iecedba6ed14d25b2d46146954d2267ccfbc22b62
The Minijail homepage and main repo is https://android.googlesource.com/platform/external/minijail/.
There might be other copies floating around, but this is the official one!
Minijail is a sandboxing and containment tool used in Chrome OS and Android. It provides an executable that can be used to launch and sandbox other programs, and a library that can be used by code to sandbox itself.
You're one git clone
away from happiness.
$ git clone https://android.googlesource.com/platform/external/minijail $ cd minijail
Releases are tagged as linux-vXX
: https://android.googlesource.com/platform/external/minijail/+refs
See the HACKING.md document for more details.
See the RELEASE.md document for more details.
See the tools/README.md document for more details.
We've got a couple of contact points.
The following talk serves as a good introduction to Minijail and how it can be used.
The Chromium OS project has a comprehensive sandboxing document that is largely based on Minijail.
After you play with the simple examples below, you should check that out.
# id uid=0(root) gid=0(root) groups=0(root),128(pkcs11) # minijail0 -u jorgelo -g 5000 /usr/bin/id uid=72178(jorgelo) gid=5000(eng) groups=5000(eng)
# minijail0 -u jorgelo -c 3000 -- /bin/cat /proc/self/status Name: cat ... CapInh: 0000000000003000 CapPrm: 0000000000003000 CapEff: 0000000000003000 CapBnd: 0000000000003000