diff options
| author | Ophestra <cat@gensokyo.uk> | 2025-01-25 12:35:47 +0900 |
|---|---|---|
| committer | Ophestra <cat@gensokyo.uk> | 2025-01-25 12:35:47 +0900 |
| commit | 37780456a75c08652bd191d0e9c2bb9077198dc4 (patch) | |
| tree | 1b2fb59a4ed572ca6fea1ea6dee1894d62e44800 /helper/bwrap/seccomp-resolve.go | |
| parent | efacaa40fae42238e869524a5c2dca5ec7d94b3d (diff) | |
helper: block more unusual/privileged syscalls
These are toggled by F_EXT and exposed as SyscallPolicy.Compat in the Go interface.
Signed-off-by: Ophestra <cat@gensokyo.uk>
Diffstat (limited to 'helper/bwrap/seccomp-resolve.go')
| -rw-r--r-- | helper/bwrap/seccomp-resolve.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/helper/bwrap/seccomp-resolve.go b/helper/bwrap/seccomp-resolve.go index 995a3719..01df4dcc 100644 --- a/helper/bwrap/seccomp-resolve.go +++ b/helper/bwrap/seccomp-resolve.go @@ -9,10 +9,17 @@ import ( ) type SyscallPolicy struct { + // disable fortify extensions + Compat bool `json:"compat"` + // deny development syscalls DenyDevel bool `json:"deny_devel"` + // deny multiarch/emulation syscalls Multiarch bool `json:"multiarch"` - Linux32 bool `json:"linux32"` - Can bool `json:"can"` + // allow PER_LINUX32 + Linux32 bool `json:"linux32"` + // allow AF_CAN + Can bool `json:"can"` + // allow AF_BLUETOOTH Bluetooth bool `json:"bluetooth"` } @@ -53,6 +60,7 @@ func (c *Config) resolveSeccomp() (*os.File, error) { o syscallOpts d string }{ + {!c.Syscall.Compat, flagExt, "fortify"}, {!c.UserNS, flagDenyNS, "denyns"}, {c.NewSession, flagDenyTTY, "denytty"}, {c.Syscall.DenyDevel, flagDenyDevel, "denydevel"}, |