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31b7ddd122d54c36edb101d2c8bdf230651f27d4
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163 Commits

Author SHA1 Message Date
cat 31b7ddd122 fst: improve config 
The config struct more or less "grew" to what it is today. This change moves things around to make more sense and fixes nonsensical comments describing obsolete behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-13 03:30:19 +09:00
cat 6309469e93 app/instance: wrap internal implementation 
This reduces the scope of the fst package, which was growing questionably large.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-12 13:56:41 +09:00
cat 0d7c1a9a43 app: rename app implementation package 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-12 10:54:24 +09:00
cat 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
cat 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
cat 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
cat 74ba183256 app: install seccomp filter to shim 
This does not necessarily reduce attack surface but does not affect functionality or introduce any side effects, so is nice to have.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-07 04:13:08 +09:00
cat e9a7cd526f app: improve shim process management 
This ensures a signal gets delivered to the process instead of relying on parent death behaviour.

SIGCONT was chosen as it is the only signal an unprivileged process is allowed to send to processes with different credentials.

A custom signal handler is installed because the Go runtime does not expose signal information other than which signal was received, and shim must check pid to ensure reasonable behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-07 03:55:17 +09:00
cat 022242a84a app: wayland socket in process share 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-01 00:53:04 +09:00
cat 8aeb06f53c app: share path setup on demand 
This removes the unnecessary creation and destruction of share paths when none of the enablements making use of them are set.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-04-01 00:47:32 +09:00
cat 4036da3b5c fst: optional configured shell path 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-31 21:27:31 +09:00
cat 605d018be2 app/seal: check for '=' in envv 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-27 18:25:23 +09:00
cat 300571af47 app: pass through $SHELL 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-27 01:22:40 +09:00
cat 2dd49c437c app: create XDG_RUNTIME_DIR with perm 0700 
Many programs complain about this.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-26 02:49:37 +09:00
cat c326c3f97d fst/sandbox: do not create /etc in advance 
This is now handled by the setup op. This also gets rid of the hardcoded /etc path.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-25 20:00:34 +09:00
cat 61dbfeffe7 sandbox/wl: move into sandbox 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-25 05:26:37 +09:00
cat 532feb4bfa app: merge shim into app package 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-25 05:21:47 +09:00
cat ec5e91b8c9 system: optimise string formatting 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-25 04:42:30 +09:00
cat 5c4058d5ac app: run in native sandbox 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-25 01:52:49 +09:00
cat 7c063833e0 internal/sys: wrap getuid/getgid 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-17 17:10:03 +09:00
cat 24618ab9a1 sandbox: move out of internal 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-17 02:55:36 +09:00
cat 9ce4706a07 sandbox: move params setup functions 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-17 02:48:32 +09:00
cat 9a1f8e129f sandbox: wrap fmsg interface 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-17 02:44:07 +09:00
cat ee10860357 seccomp: install output atomically 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-17 01:10:27 +09:00
cat 10a21ce3ef helper: expose extra files to direct 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-15 02:27:40 +09:00
cat 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
cat 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
cat 2647a71be1 seccomp: move out of helper 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-14 22:42:40 +09:00
cat 7c60a4d8e8 helper: embed context on creation 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-14 18:30:22 +09:00
cat 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
cat 61e58aa14d helper/proc: expose setup file 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-09 17:22:31 +09:00
cat 9e15898c8f internal/prctl: rename prctl wrappers 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-03-07 22:56:35 +09:00
cat 80f9b62d25 app: print comp values early 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-26 22:27:55 +09:00
cat 673b648bd3 cmd/fpkg: call app in-process 
Wrapping fortify is slow, painful and error-prone. Start apps in-process instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-26 19:51:44 +09:00
cat 840ceb615a app: handle RunState errors 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-26 17:36:14 +09:00
cat d050b3de25 app: define errors in a separate file 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-26 17:12:02 +09:00
cat 39dc8e7bd8 dbus: set process group id 
This stops signals sent by the TTY driver from propagating to the xdg-dbus-proxy process.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-25 18:12:41 +09:00
cat f0a082ec84 fortify: improve handling of RevertErr 
All this error wrapping is getting a bit ridiculous and I might want to do something about that somewhere down the line.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-25 00:45:00 +09:00
cat c64b8163e7 app: separate instance from process state 
This works better for the implementation.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-21 16:06:24 +09:00
cat 3c80fd2b0f app: defer system.I revert 
Just returning an error after a successful call of commit will leave garbage behind with no way for the caller to clean them. This change ensures revert is always called after successful commit with at least per-process state enabled.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 21:12:11 +09:00
cat ef81828e0c app: remove share method 
This is yet another implementation detail from before system.I, getting rid of this vastly cuts down on redundant seal state.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 16:20:25 +09:00
cat 2978a6f046 app: separate appSeal finalise method 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 12:33:51 +09:00
cat dfd9467523 app: merge seal with sys 
The existence of the appSealSys struct was an implementation detail obsolete since system.I was integrated in 084cd84f36.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 01:36:29 +09:00
cat 53571f030e app: embed appSeal in app struct 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 01:10:37 +09:00
cat aa164081e1 app/seal: improve documentation 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 01:04:14 +09:00
cat 9a10eeab90 app/seal: embed enablements 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 00:41:51 +09:00
cat a748d40745 app: store values with string representation 
Improves code readability without changing memory layout.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-19 00:25:00 +09:00
cat 648e1d641a app: separate interface from implementation 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-18 23:07:28 +09:00
cat ffaa12b9d8 sys: wrap log methods 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-18 22:52:09 +09:00
cat e0f321b2c4 sys: rename from linux 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-02-18 18:47:48 +09:00