helper/bwrap: ordered filesystem args

The argument builder was written based on the incorrect assumption that bwrap arguments are unordered. The argument builder is replaced in this commit to correct that mistake.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

internal/app/seal.go

@@ -9,7 +9,6 @@ import (
 	"strconv"
 
 	"git.ophivana.moe/cat/fortify/dbus"
-	"git.ophivana.moe/cat/fortify/helper/bwrap"
 	"git.ophivana.moe/cat/fortify/internal"
 	"git.ophivana.moe/cat/fortify/internal/state"
 	"git.ophivana.moe/cat/fortify/internal/verbose"
@@ -163,7 +162,7 @@ func (a *app) Seal(config *Config) error {
 		// hide nscd from sandbox if present
 		nscd := "/var/run/nscd"
 		if _, err := os.Stat(nscd); !errors.Is(err, os.ErrNotExist) {
-			conf.Tmpfs = append(conf.Tmpfs, bwrap.TmpfsConfig{Size: 8 * 1024, Dir: nscd})
+			conf.Tmpfs = append(conf.Tmpfs, nscd)
 		}
 		// bind GPU stuff
 		if config.Confinement.Enablements.Has(state.EnableX) || config.Confinement.Enablements.Has(state.EnableWayland) {
@@ -172,6 +171,7 @@ func (a *app) Seal(config *Config) error {
 		config.Confinement.Sandbox = conf
 	}
 	seal.sys.bwrap = config.Confinement.Sandbox.Bwrap()
+	seal.sys.tmpfs = config.Confinement.Sandbox.Tmpfs
 	if seal.sys.bwrap.SetEnv == nil {
 		seal.sys.bwrap.SetEnv = make(map[string]string)
 	}