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shim: update payload comment 

Generating permissive default no longer happens in shim.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
This commit is contained in:
Ophestra Umiker 2024-10-13 17:19:50 +09:00
parent 77f2c320a6
commit 3739b56504
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
2 changed files with 4 additions and 6 deletions
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4
internal/shim/main.go
View File

@ -18,7 +18,7 @@ import (
// everything beyond this point runs as target user
// proceed with caution!
func shim(socket string) {
func doShim(socket string) {
// re-exec
if len(os.Args) > 0 && os.Args[0] != "fortify" && path.IsAbs(os.Args[0]) {
if err := syscall.Exec(os.Args[0], []string{"fortify", "shim"}, os.Environ()); err != nil {
@ -163,7 +163,7 @@ func receiveWLfd(conn *net.UnixConn) (int, error) {
func Try() {
if args := flag.Args(); len(args) == 1 && args[0] == "shim" {
if s, ok := os.LookupEnv(EnvShim); ok {
shim(s)
doShim(s)
panic("unreachable")
}
}

6
internal/shim/payload.go
View File

@ -1,8 +1,6 @@
package shim
import (
"git.ophivana.moe/cat/fortify/helper/bwrap"
)
import "git.ophivana.moe/cat/fortify/helper/bwrap"
const EnvShim = "FORTIFY_SHIM"
@ -11,7 +9,7 @@ type Payload struct {
Argv []string
// bwrap, target full exec path
Exec [2]string
// bwrap config, nil for permissive
// bwrap config
Bwrap *bwrap.Config
// whether to pass wayland fd
WL bool