Commit Graph

138 Commits

Author SHA1 Message Date
e9fb1d7be5 container/initdaemon: copy wstatus from wait4 loop
Due to the special nature of the init process, direct use of wait outside the wait4 loop is racy. This change copies the wstatus from wait4 loop state instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:58:42 +09:00
d5fb179012 cmd/hakurei: exec instead of fork/exec from shell
There is no reason to keep the shell process around.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:29:41 +09:00
2786611b88 test/interactive: add app with bad daemon
This is useful for testing daemon error handling behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:12:07 +09:00
87781c7658 treewide: include PipeWire op and enforce PulseAudio check
This fully replaces PulseAudio with PipeWire and enforces the PulseAudio check and error message. The pipewire-pulse daemon is handled in the NixOS module.

Closes #26.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 08:53:04 +09:00
422efcf258 hst: check for insecure PulseAudio enablement
This is currently still a noop, but required for #26.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 03:13:02 +09:00
c761e1de4d nix: build with clang
Clang is better than gcc in various ways. This also pulls in clang-format which is very helpful.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-15 16:36:36 +09:00
b5630f6883 test: move package sandbox internal
This should never be used outside vm tests.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-12 23:03:22 +09:00
ac34635890 container: set FD_CLOEXEC on all open files
While fd created from this side always has the FD_CLOEXEC flag, the same is not true for files left open by the parent. This change prevents those files from leaking into the container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-12 00:18:29 +09:00
9dec9dbc4b container/init: close setup pipe early
This prevents leaking the setup pipe.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-11 07:31:58 +09:00
bb92e3ada9 cmd/hakurei: expose current instance identifier
This writes the 16-byte instance identifier to file descriptor specified by --identifier-fd if set, and closes the file.

This enables safely obtaining the new instance's identifier.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-10 07:52:35 +09:00
5c2b63a7f1 container: add 386 constants
While it is unlikely a use case for hakurei on i686 exists, it does not hurt to have this support.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-05 20:21:14 +09:00
cb9ebf0e15 hst/grp_pwd: specify new uid format
This leaves slots available for additional uid ranges in Rosa OS.

This breaks all existing installations! Users are required to fix ownership manually.

Closes #18.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-04 08:24:41 +09:00
0edcb7c1d3 test: print share directory
This is more useful now that state is tracked here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-02 17:00:59 +09:00
0e5ca74b98 cmd/hakurei/print: serialise array for ps
Wanted to do this for a long time, since the key is redundant. This also makes it easier to migrate to the new store interface.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-02 16:37:08 +09:00
2442eda8d9 hst/instance: embed config struct
This makes the resulting json easier to parse since it can now be deserialised into the config struct.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-24 00:42:16 +09:00
56beae17fe test: assert hst CGO_ENABLED=0
The hst package only deals with data serialisation, however since many parts of hakurei make use of C libraries in some way it can be easy to inadvertently depend on cgo.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-21 19:49:04 +09:00
fbd1638e7f test/interactive/trace: update nix attribute
Updated according to evaluation warning.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-21 06:03:09 +09:00
699c19e972 hst/container: optional runtime and tmpdir sharing
Sharing and persisting these directories do not always make sense. Make it optional here.

Closes #16.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-19 04:11:38 +09:00
b5b30aea2e test: place marker in common path
This discontinues the dependency on shared tmpdir and xdg_runtime_dir implementation detail, for #16.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-19 03:50:48 +09:00
e47aebb7a0 internal/app/outcome: apply configured filesystems late
This enables configured filesystems to cover system mount points.

Closes #8.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-19 01:41:52 +09:00
d4284c109d internal/app/spruntime: emulate pam_systemd type
This sets XDG_SESSION_TYPE to the corresponding values specified in pam_systemd(8) according to enablements.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-18 04:33:04 +09:00
52e3324ef4 test/sandbox: ignore nondeterministic mount point
No idea what systemd is doing with this to cause its options to change.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-14 07:08:39 +09:00
9e48d7f562 hst/config: move container fields from toplevel
This change also moves pd behaviour to cmd/hakurei, as this does not belong in the hst API.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-07 04:24:45 +09:00
f280994957 internal/app: check nscd socket for path hiding
This can seriously break things, and exposes extra host attack surface, so include it here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-10-05 20:47:30 +09:00
ae2df2c450 internal: remove sys package
This package is replaced by container/stub. Remove and replace it with unexported implementation for the upcoming test suite rewrite.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-25 13:51:54 +09:00
773253fdf5 test/sandbox: raise timeout
The integration vm is being very slow for some reason. This change should reduce spurious timeouts.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-24 19:41:59 +09:00
f09133a224 test: check init lingering timeout behaviour
This checks init timeout on lingering process after initial process termination.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-22 21:56:29 +09:00
a2a291791c internal/sys: separate hsu uid cache
This begins the effort of the removal of the sys package.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-15 02:30:47 +09:00
1cdc6b4246 test/sandbox: create marker in /var/tmp
This prepares the test suite for private TMPDIR.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-14 16:45:17 +09:00
56aad8dc11 test/sandbox/tool: marker pathname from flag
Since this is going to be placed in a shared directory, it needs to be unique to the identity. Instead of trying to figure out identity from mountinfo, just have the test script pass hardcoded values.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-14 15:57:41 +09:00
83c4f8b767 test/sandbox: check extra writable paths
This is not always obvious from mountinfo.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-14 15:12:51 +09:00
d0ddd71934 test/sandbox: bind /var/tmp writable
This makes it possible to place markers with private tmpdir.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-14 14:59:53 +09:00
ca247b8037 internal/app: mount /dev/shm early
This avoids covering /dev/shm mounts from hst.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-14 01:49:42 +09:00
92f510a647 cmd/hakurei/command: pd run dbus-verbose nil check
This otherwise dereferences a nil pointer when dbus-verbose is set and either session or system bus are nil.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-09-06 00:09:25 +09:00
acb6931f3e app/seal: leave $DISPLAY as is on host abstract
This helps work around faulty software that misinterprets unix: DISPLAY string.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-27 20:42:03 +09:00
9bc8532d56 container/initdev: mount tmpfs on shm for ro dev
Programs expect /dev/shm to be a writable tmpfs.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-26 03:27:07 +09:00
4cf694d2b3 hst: use hsu userid for share path suffix
The privileged user is identifier to hakurei through its hsu userid. Using the kernel uid here makes little sense and is a leftover design choice from before hsu was implemented.

Closes #7.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-26 02:16:33 +09:00
c9facb746b hst/config: remove data field, rename dir to home
There is no reason to give the home directory special treatment, as this behaviour can be quite confusing. The home directory also does not necessarily require its own mount point, it could be provided by a parent or simply be ephemeral.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-26 00:56:10 +09:00
0dcac55a0c hst/config: remove container etc field
This no longer needs special treatment since it can be specified as a generic filesystem entry.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-25 19:24:33 +09:00
5db0714072 container: optionally isolate host abstract UNIX domain sockets via landlock 2025-08-18 16:28:14 +09:00
22d577ab49 test/sandbox: do not discard stderr getting hash
This is the first hakurei run in the test, if the container outright fails to start this is often where it happens, so throwing away the output is very unhelpful.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-18 11:36:13 +09:00
83a1c75f1a app: set up acl on X11 socket
The socket is typically owned by the priv-user, and inaccessible by the target user, so just allowing access to the directory is not enough. This change fixes this oversight and add checks that will also be useful for merging security/hakurei#1.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-18 11:30:58 +09:00
4ffeec3004 hst/enablement: editor friendly enablement adaptor
Having the bit field value here (in decimal, no less) is unfriendly to text editors. Use a bunch of booleans here to improve ease of use.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-15 05:16:51 +09:00
9ed3ba85ea hst/fs: implement overlay fstype
This finally exposes overlay mounts in the high level hakurei API.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-15 04:00:55 +09:00
4433c993fa nix: check config via hakurei
This is unfortunately the only feasible way of doing this in nix.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-15 03:27:54 +09:00
a4f7e92e1c test/interactive: helper scripts for tracing
The vm state is discarded often, and it is quite cumbersome to set everything up again when the shell history is gone.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-08 00:56:25 +09:00
b353c3deea nix: make src overlay writable
The lowerdir is in the nix store.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-07 18:07:19 +09:00
72a931a71a nix: interactive nixos vm
This is useful for quickly spinning up an ephemeral hakurei environment for testing changes or reproducing vm test failures.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-07 02:46:04 +09:00
38245559dc container/ops: mount dev readonly
There is usually no good reason to write to /dev. This however doesn't work in internal/app because FilesystemConfig supplied by ContainerConfig might add entries to /dev, so internal/app follows DevWritable with Remount instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-03 19:18:53 +09:00
3b8a3d3b00 app: remount root readonly
This does nothing for security, but should help avoid hiding bugs of programs developed in a hakurei container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-08-01 23:56:28 +09:00