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Commit Graph

201 Commits

Author SHA1 Message Date
bac583f89e internal/stub: move from container
This package solves a very specific stubbing use case, in a less than elegant manner.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 16:09:14 +09:00
722989c682 fhs: move from container
This package is not container-specific.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 15:56:36 +09:00
b852402f67 ext: move syscall wrappers from container
These are generally useful, and none of them are container-specific. Syscalls subtle to use and requiring container-specific setup remains in container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 15:48:40 +09:00
6d015a949e check: move from container
This package is not container specific, and widely used across the project.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 15:39:03 +09:00
e9a72490db vfs: move from container
This package is not container-specific.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 15:30:30 +09:00
0a12d456ce container: set CLOEXEC via close_range
This is guarded behind the close_range build tag for now.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 14:19:00 +09:00
1c2d5f6b57 ext: integer limit values
For portably using C integers without cgo.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 14:09:38 +09:00
faea1f4bd6 all: remove deprecated packages
Closes #24.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 13:54:56 +09:00
cd5959fe5a ext: isolate from container/std
These are too general to belong in the container package. This targets the v0.4 release to reduce the wrapper maintenance burden.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-17 13:39:26 +09:00
08c35ca24f container: use new netlink implementation
This is adapted from the container netlink implementation and is much more reusable.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-16 23:33:52 +09:00
196b200d0f container: expose priority and SCHED_OTHER policy
The more explicit API removes the arbitrary limit preventing use of SCHED_OTHER (referred to as SCHED_NORMAL in the kernel). This change also exposes priority value to set.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-12 01:14:03 +09:00
1e8ac5f68e container: use policy name in log message
This is more helpful than having the user resolve the integer.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-11 20:20:34 +09:00
fd515badff container: move scheduler policy constants to std
This avoids depending on cgo.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-11 20:03:08 +09:00
48cdf8bf85 go: 1.26
Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-10 03:29:19 +09:00
19a2737148 container: sched policy string representation
This also uses priority obtained via sched_get_priority_min, and improves bounds checking.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-03-09 18:38:31 +09:00
ad8f799703 container/std: rename seccomp types
Aliases will be kept until 0.4.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-28 20:48:30 +09:00
c74c269b66 container: use /proc/self/exe directly
This is a more reliable form of pathname to self and also cheaper than os.Executable.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-28 20:44:44 +09:00
cd9b534d6b container: improve documentation
This change removes inconsistencies collected over time in this package.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-28 20:18:30 +09:00
a6160cd410 container: set scheduling policy
This is thread-directed so cannot be done externally. The glibc wrapper exposes this behaviour so most multithreaded programs using this is straight up incorrect.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-26 16:29:47 +09:00
88d9a6163e container/initplace: return nil for createTemp error injection
This matches os package behaviour, and avoids adding the cleanup.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-17 14:16:54 +09:00
a3e87dd0ef container: ignore uninterpreted source
These can be set to anything by the distribution.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-08 19:39:39 +09:00
90a38c0708 container: strip host-dependent opts in test cases
This change also improves plumbing for stripping options.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-08 19:35:20 +09:00
39cc8caa93 container: add riscv64 constants
This target is unlikely to become viable any time soon.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-02-08 19:03:47 +09:00
bf14a412e4 container: fix host-dependent test cases
These are not fully controlled by hakurei and may change depending on host configuration.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-31 10:59:56 +09:00
dc96302111 internal/rosa: GNU make artifact
This compiles GNU make from source. This is unfortunately required by many programs, but is a cure dependency only.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-19 00:40:25 +09:00
e1e46504a1 container/check: return error backed by string type
The struct turned out not necessary during initial implementation but was not unwrapped into its single string field. This change replaces it with the underlying string and removes the indirection.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-11 04:23:55 +09:00
ec9343ebd6 container/check: intern absolute pathnames
This improves performance in heavy users like internal/pkg.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-11 04:18:11 +09:00
2494ede106 container/init: configure interface lo
This enables loopback networking when owning the net namespace.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-11 03:36:20 +09:00
3d720ada92 container: optionally allow orphan
This is required for the typical daemonise use case.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-27 09:12:02 +09:00
fae910a1ad container: sync stubbed wait4 loop after notify
This ensures consistent state observed by wait4 loop when running against stub.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14 10:22:48 +09:00
a3fd05765e container: load initial process started before syscall
This avoids a race between returning from syscall and checking the state.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09 08:12:22 +09:00
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
dafe9f8efc container: spin instead of block on wait4 ECHILD
Blocking prevents further wait4 processing causing ops to never receive their signals.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:56:13 +09:00
96dd7abd80 container: improve error message fallback
This now falls back to message.Error if no other concrete type is matched.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:45:54 +09:00
462863e290 container: friendlier error message for op timing out
This includes the string for the failing op which helps with troubleshooting.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 22:19:03 +09:00
791a1dfa55 container: make wait4 loop available to ops
Due to the special nature of the init process, regular wait calls are unavailable. This change provides infrastructure to access wait4 loop state from Op.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 21:43:49 +09:00
357cfcddee container: start daemons within container
This is useful for daemons internal to the container. The only current use case is pipewire-pulse.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 07:21:04 +09:00
6bf245cf1b container: pass context as setup state
This is useful currently for daemon Op, but could be used for many other things.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 06:06:19 +09:00
5785714b64 container: call op method right before initial process
This is at a point considered to be already "within" the container. Daemons internal to the container can be started here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08 04:57:24 +09:00
b73a789dfe .clang-format: increase indent width
This significantly increases readability. This patch is pretty big so it is being done after mostly everything has settled.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-16 20:57:29 +09:00
41b49137a8 .clang-format: do not limit line length
This hard limit destroys readability in some places.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-15 17:06:43 +09:00
47244daefb treewide: migrate ldd callers
This discontinues use of the deprecated ldd.Exec function for #25.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-14 21:59:59 +09:00
299685775a container: provide usage example
This requires cgo so unfortunately will not run in the playground.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-14 18:25:22 +09:00
6d14bb814f container/fhs: add constant for /dev/shm/
This is mounted for the default read-only /dev/ when programs want to use shm_open(3). Defining it here is less error-prone and saves the extra append at runtime.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-14 01:03:26 +09:00
abeb67964f treewide: document linkname uses
These provide justification for each use of linkname. Poorly thought out uses of linkname are removed.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-13 07:14:16 +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
2f74adc8bd container/init: close initial process files on termination
This closes them during the adopt wait delay. This also keeps them alive.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-10 20:35:59 +09:00
38e9128a8c container/std/seccomp: remove ineffectual typecast
This is no longer necessary since the return type changed.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-07 05:45:51 +09:00
7ee702a44e container/seccomp/presets: add fields to literals
This keeps composites analysis happy.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-11-07 05:11:57 +09:00