d5532aade0
sandbox/seccomp: native rule slice in helpers
...
These helper functions took FilterPreset as input for ease of integration. This moves them to []NativeRule.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-02 00:22:27 +09:00
0c5409aec7
sandbox/seccomp: native rule type alias
...
This makes it easier to keep API stable.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-02 00:00:08 +09:00
1a8840bebc
sandbox/seccomp: resolve rules natively
...
This enables loading syscall filter policies from external cross-platform config files.
This also removes a significant amount of C code.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-01 22:11:32 +09:00
1fb453dffe
sandbox/seccomp: extra constants
...
These all resolve to pseudo syscall numbers in libseccomp, but are necessary anyway for other platforms.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-01 20:15:42 +09:00
e03d702d08
sandbox/seccomp: implement syscall lookup
...
This uses the Go map and is verified against libseccomp.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-01 00:35:27 +09:00
241dc964a6
sandbox/seccomp: wire extra syscall
...
These values are only useful for libseccomp.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-07-01 00:32:08 +09:00
8ef71e14d5
sandbox/seccomp: emit syscall constants
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-30 20:34:33 +09:00
972f4006f0
treewide: switch to hakurei.app
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-26 04:01:02 +09:00
9a8a047908
sandbox/seccomp: syscall name lookup table
...
The script is from Go source of same name. The result is checked against libseccomp.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-26 03:49:07 +09:00
863bf69ad3
treewide: reapply clang-format
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-25 23:43:42 +09:00
87e008d56d
treewide: rename to hakurei
...
Fortify makes little sense for a container tool.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-25 04:57:41 +09:00
ef80b19f2f
treewide: switch to clang-format
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-18 13:45:34 +09:00
b7e991de5b
nix: update flake lock
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-06-05 04:05:39 +09:00
9967909460
sandbox: relative autoetc links
...
This allows nested containers to use autoetc, and increases compatibility with other implementations.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-04-11 18:54:00 +09:00
c806f43881
sandbox: implement autoetc as setup op
...
This significantly reduces setup op count and the readdir call now happens in the context of the init process.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-04-10 18:54:25 +09:00
584405f7cc
sandbox/seccomp: rename flag type and constants
...
The names are ambiguous. Rename them to make more sense.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-04-08 01:59:45 +09:00
f885dede9b
sandbox/seccomp: unexport println wrapper
...
This is an implementation detail that was exported for the bwrap argument builder. The removal of that package allows it to be unexported.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-04-07 04:07:20 +09:00
0ba8be659f
sandbox: document less obvious parts of setup
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-04-01 01:21:04 +09:00
2a46f5bb12
sandbox/seccomp: update doc comment
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-30 23:00:20 +09:00
c13eb70d7d
sandbox/seccomp: add fortify default sample
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-28 02:02:02 +09:00
184e9db2b2
sandbox: support privileged container
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-27 19:40:19 +09:00
d613257841
sandbox/init: clear inheritable set
...
Inheritable should not be able to affect anything regardless of its value, due to no_new_privs.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-26 07:46:13 +09:00
18644d90be
sandbox: wrap capset syscall
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-26 07:44:07 +09:00
52fcc48ac1
sandbox/init: drop capabilities
...
During development the syscall filter caused me to make an incorrect assumption about SysProcAttr.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-26 06:32:08 +09:00
8b69bcd215
sandbox: cache kernel.cap_last_cap value
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-26 06:19:19 +09:00
985f9442e6
sandbox: copy symlink with magic prefix
...
This does not dereference the symlink, but only reads one level of it. This is useful for symlink targets that are not yet known at the time the configuration is emitted.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-26 01:42:39 +09:00
971c79bb80
sandbox: remove hardcoded parent perm
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-25 19:49:51 +09:00
f86d868274
sandbox: wrap error with its own text message
...
PathError has a pretty good text message, many of them are wrapped with its own text message. This change adds a function to do just that to improve readability.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-25 19:42:20 +09:00
33940265a6
sandbox: do not ensure symlink target
...
This masks EEXIST on target and might clobber filesystems and lead to other confusing behaviour. Create its parent instead.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-25 19:30:53 +09:00
61dbfeffe7
sandbox/wl: move into sandbox
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-25 05:26:37 +09:00
5c4058d5ac
app: run in native sandbox
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-25 01:52:49 +09:00
ad3576c164
sandbox: resolve tty name
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-24 16:03:07 +09:00
a11237b158
sandbox/vfs: add doc comments
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-24 13:21:55 +09:00
40f00d570e
sandbox: set mkdir perm
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-24 12:51:39 +09:00
e8809125d4
sandbox: verify outcome via mountinfo
...
This contains much more information than /proc/mounts and allows for more fields to be checked. This also removes the dependency on the test package.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 22:17:36 +09:00
75e0c5d406
test/sandbox: parse full test case
...
This makes declaring multiple tests much cleaner.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 14:53:50 +09:00
770b37ae16
sandbox/vfs: match MS_NOSYMFOLLOW flag
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 13:57:30 +09:00
c638193268
sandbox: apply vfs options to bind mounts
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 05:27:57 +09:00
8c3a817881
sandbox/vfs: unfold mount hierarchy
...
This presents all visible mount points under path. This is useful for applying extra vfs options to bind mounts.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 05:23:31 +09:00
e2fce321c1
sandbox/vfs: expose mountinfo line scanning
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-23 02:46:58 +09:00
d21d9c5b1d
sandbox/vfs: parse vfs options
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-21 17:12:10 +09:00
a70daf2250
sandbox: resolve inverted flags in op
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-21 12:58:38 +09:00
5098b12e4a
sandbox/vfs: count mountinfo entries
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-21 12:14:33 +09:00
9ddf5794dd
sandbox/vfs: implement proc_pid_mountinfo(5) parser
...
Test cases are mostly taken from util-linux. This implementation is more correct and slightly faster than the one found in github:kubernetes/utils.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-21 00:35:49 +09:00
b74a08dda9
sandbox: prepare ops early
...
Some setup code needs to run in host root. This change allows that to happen.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-18 02:17:46 +09:00
1b9408864f
sandbox: pass cmd to cancel function
...
This is not usually in scope otherwise.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-17 22:36:39 +09:00
cc89dbdf63
sandbox: place files with content
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-17 22:13:22 +09:00
228f3301f2
sandbox: create directories
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-17 22:03:06 +09:00
07181138e5
sandbox/mount: pass absolute path
...
This should never be used unless there is a good reason to, like using a file in the intermediate root.
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-17 21:53:31 +09:00
816b372f14
sandbox: cancel process on serve error
...
Signed-off-by: Ophestra <cat@gensokyo.uk >
2025-03-17 21:49:45 +09:00
