Commit Graph

612 Commits

Author SHA1 Message Date
bf07b7cd9e ldd: mount /proc in container
This covers host /proc.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-17 00:01:03 +09:00
5d3c8dcc92 test: raise timeout
Native container tooling is severely slowed down by race detector. Raise timeout so it reliably completes.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 23:51:17 +09:00
48feca800f sandbox: check command function pointer
Setting default CommandContext on initialisation is somewhat of a footgun.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 23:29:14 +09:00
42de09e896 helper: implement native container backend
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 02:57:46 +09:00
1576fea8a3 helper: raise WaitDelay during tests
Helper runs very slowly with race detector. This prevents it from timing out.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 02:49:41 +09:00
ae522ab364 test: run go tests with race detector
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 02:07:42 +09:00
273d97af85 ldd: lib paths resolve function
This is what always happens right after a ldd call, so implement it here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 01:20:09 +09:00
891316d924 helper/stub: copy args to stderr
Some helpers are implemented via go test itself in tests, and as a result stdout gets clobbered.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 00:39:42 +09:00
9f5dad1998 sandbox: return on zero length ops
This dodges potentially confusing behaviour where init fails due to Ops being clobbered during transfer.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 00:32:36 +09:00
6e7ddb2d2e helper: eliminate commandContext replacement
This is done more cleanly by modifying Args in cmdF.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-16 00:01:25 +09:00
bac4e67867 sandbox/init: early params nil check
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 04:03:10 +09:00
4230281194 sandbox: return error on doubled start
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 03:30:14 +09:00
e64e7608ca sandbox: expose cancel behaviour
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 03:04:27 +09:00
10a21ce3ef helper: expose extra files to direct
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 02:27:40 +09:00
0f1f0e4364 helper: combine helper ipc setup
The two-step args call is no longer necessary since stat is passed on initialisation.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 02:10:22 +09:00
f9bf20a3c7 helper: rearrange initialisation args
This improves consistency across two different helper implementations.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 01:06:31 +09:00
73c1a83032 helper: move process wrapper to direct
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 00:33:25 +09:00
f443d315ad helper: clean up interface
The helper interface was messy due to odd context acquisition order. That has changed, so this cleans it up.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-15 00:27:44 +09:00
9e18d1de77 helper/proc: pass extra files and start
For integration with native container tooling.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 23:23:57 +09:00
2647a71be1 seccomp: move out of helper
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 22:42:40 +09:00
7c60a4d8e8 helper: embed context on creation
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 18:30:22 +09:00
4bb5d9780f ldd: run in native sandbox
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 17:55:55 +09:00
f41fd94628 sandbox: write uid/gid map as init
This avoids PR_SET_DUMPABLE in the parent process.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 17:42:22 +09:00
94895bbacb sandbox: invert seccomp ruleset defaults
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 02:38:32 +09:00
f332200ca4 sandbox: mount container /dev
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 02:18:44 +09:00
2eff470091 sandbox/mount: pass custom tmpfs name
The tmpfs driver allows arbitrary fsname.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 02:12:35 +09:00
a092b042ab sandbox: pass params to setup ops
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 02:11:38 +09:00
e94b09d337 sandbox/mount: fix source flag path
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 02:10:48 +09:00
5d9e669d97 sandbox: separate tmpfs function from op
This is useful in the implementation of various other ops.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 00:21:20 +09:00
f1002157a5 sandbox: separate bind mount function from op
This is useful in the implementation of various other ops.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-14 00:16:41 +09:00
4133b555ba internal/app: rename init to init0
This makes way for the new container init.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 21:57:54 +09:00
9b1a60b5c9 sandbox: native container tooling
This should eventually replace bwrap.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 21:36:26 +09:00
beb3918809 test: run go test under regular user
By default test vm commands run as root, this causes buildFHSEnv bwrap to cover some parts of /proc, making it impossible to mount proc in a mount namespace created under it. Running as a regular user gets around this issue.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 20:56:32 +09:00
2871426df2 test: print output of failed test
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 16:40:15 +09:00
e048f31baa internal: pull EINTR loop from stdlib
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 00:42:38 +09:00
6af8b8859f sandbox: read overflow ids
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 00:41:37 +09:00
f38ba7e923 test/sandbox: bypass fields
A field is bypassed if it contains a single null byte. This will never appear in the text format so is safe to use.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-13 00:00:58 +09:00
d22145a392 ldd: handle musl static behaviour
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-12 23:29:43 +09:00
29c3f8becb helper/seccomp: improve error handling
This passes both errno and libseccomp return value.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-12 15:52:48 +09:00
be16970e77 helper/seccomp: seccomp_load on negative fd
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-12 15:18:52 +09:00
df266527f1 test/sandbox/mount: work around nondeterminism
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-12 15:16:51 +09:00
c8ed7aae6e nix: update flake lock
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-10 18:38:14 +09:00
61e58aa14d helper/proc: expose setup file
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-09 17:22:31 +09:00
9e15898c8f internal/prctl: rename prctl wrappers
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-07 22:56:35 +09:00
f7bd6a5a41 test/sandbox: check seccomp outcome
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-04 13:30:16 +09:00
ea853e21d9 test/sandbox: check fs outcome
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-03 01:02:09 +09:00
0bd9b9e8fe test/sandbox: assert filesystem json
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-02 23:23:04 +09:00
39e32799b3 test/sandbox: compare filesystem hierarchy
For checking deterministic aspects of fs outcome.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-02 22:59:04 +09:00
9953768de5 test: rename session message identifier
Labelling this as sway is misleading.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-02 22:47:33 +09:00
0d3652b793 test/sandbox/assert: wrap printf
Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-03-02 18:37:46 +09:00