66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
package app
|
|
|
|
import (
|
|
"os"
|
|
"path"
|
|
|
|
"git.ophivana.moe/cat/fortify/acl"
|
|
"git.ophivana.moe/cat/fortify/internal/state"
|
|
)
|
|
|
|
const (
|
|
xdgRuntimeDir = "XDG_RUNTIME_DIR"
|
|
xdgSessionClass = "XDG_SESSION_CLASS"
|
|
xdgSessionType = "XDG_SESSION_TYPE"
|
|
|
|
shell = "SHELL"
|
|
)
|
|
|
|
// shareRuntime queues actions for sharing/ensuring the runtime and share directories
|
|
func (seal *appSeal) shareRuntime() {
|
|
// look up shell
|
|
if s, ok := os.LookupEnv(shell); ok {
|
|
seal.appendEnv(shell, s)
|
|
}
|
|
|
|
// ensure RunDir (e.g. `/run/user/%d/fortify`)
|
|
seal.sys.ensure(seal.RunDirPath, 0700)
|
|
seal.sys.updatePermTag(state.EnableLength, seal.RunDirPath, acl.Execute)
|
|
|
|
// ensure runtime directory ACL (e.g. `/run/user/%d`)
|
|
seal.sys.updatePermTag(state.EnableLength, seal.RuntimePath, acl.Execute)
|
|
|
|
// ensure Share (e.g. `/tmp/fortify.%d`)
|
|
// acl is unnecessary as this directory is world executable
|
|
seal.sys.ensure(seal.SharePath, 0701)
|
|
|
|
// ensure process-specific share (e.g. `/tmp/fortify.%d/%s`)
|
|
// acl is unnecessary as this directory is world executable
|
|
seal.share = path.Join(seal.SharePath, seal.id.String())
|
|
seal.sys.ensureEphemeral(seal.share, 0701)
|
|
|
|
// ensure process-specific share local to XDG_RUNTIME_DIR (e.g. `/run/user/%d/fortify/%s`)
|
|
seal.shareLocal = path.Join(seal.RunDirPath, seal.id.String())
|
|
seal.sys.ensureEphemeral(seal.shareLocal, 0700)
|
|
seal.sys.updatePerm(seal.shareLocal, acl.Execute)
|
|
}
|
|
|
|
func (seal *appSeal) shareRuntimeChild() string {
|
|
// ensure child runtime parent directory (e.g. `/tmp/fortify.%d/runtime`)
|
|
targetRuntimeParent := path.Join(seal.SharePath, "runtime")
|
|
seal.sys.ensure(targetRuntimeParent, 0700)
|
|
seal.sys.updatePermTag(state.EnableLength, targetRuntimeParent, acl.Execute)
|
|
|
|
// ensure child runtime directory (e.g. `/tmp/fortify.%d/runtime/%d`)
|
|
targetRuntime := path.Join(targetRuntimeParent, seal.sys.Uid)
|
|
seal.sys.ensure(targetRuntime, 0700)
|
|
seal.sys.updatePermTag(state.EnableLength, targetRuntime, acl.Read, acl.Write, acl.Execute)
|
|
|
|
// point to ensured runtime path
|
|
seal.appendEnv(xdgRuntimeDir, targetRuntime)
|
|
seal.appendEnv(xdgSessionClass, "user")
|
|
seal.appendEnv(xdgSessionType, "tty")
|
|
|
|
return targetRuntime
|
|
}
|