From d8f76f3b2594db4687c0203c4f2be8d3e4ef7740 Mon Sep 17 00:00:00 2001
From: Ophestra Umiker <cat@ophivana.moe>
Date: Wed, 4 Sep 2024 01:20:12 +0900
Subject: rename to fortify and restructure

More sandbox features will be added and this will no longer track ego's features and behaviour.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
---
 internal/util/std.go | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 internal/util/std.go

(limited to 'internal/util/std.go')

diff --git a/internal/util/std.go b/internal/util/std.go
new file mode 100644
index 00000000..5c37a0d7
--- /dev/null
+++ b/internal/util/std.go
@@ -0,0 +1,75 @@
+package util
+
+import (
+	"errors"
+	"fmt"
+	"io/fs"
+	"os"
+	"path"
+
+	"git.ophivana.moe/cat/fortify/internal/state"
+	"git.ophivana.moe/cat/fortify/internal/system"
+)
+
+const (
+	systemdCheckPath = "/run/systemd/system"
+
+	home          = "HOME"
+	xdgConfigHome = "XDG_CONFIG_HOME"
+
+	PulseServer = "PULSE_SERVER"
+	PulseCookie = "PULSE_COOKIE"
+)
+
+// SdBooted implements https://www.freedesktop.org/software/systemd/man/sd_booted.html
+func SdBooted() bool {
+	_, err := os.Stat(systemdCheckPath)
+	if err != nil {
+		if system.V.Verbose {
+			if errors.Is(err, fs.ErrNotExist) {
+				fmt.Println("System not booted through systemd")
+			} else {
+				fmt.Println("Error accessing", systemdCheckPath+":", err.Error())
+			}
+		}
+		return false
+	}
+	return true
+}
+
+// DiscoverPulseCookie try various standard methods to discover the current user's PulseAudio authentication cookie
+func DiscoverPulseCookie() string {
+	if p, ok := os.LookupEnv(PulseCookie); ok {
+		return p
+	}
+
+	if p, ok := os.LookupEnv(home); ok {
+		p = path.Join(p, ".pulse-cookie")
+		if s, err := os.Stat(p); err != nil {
+			if !errors.Is(err, fs.ErrNotExist) {
+				state.Fatal("Error accessing PulseAudio cookie:", err)
+				// unreachable
+				return p
+			}
+		} else if !s.IsDir() {
+			return p
+		}
+	}
+
+	if p, ok := os.LookupEnv(xdgConfigHome); ok {
+		p = path.Join(p, "pulse", "cookie")
+		if s, err := os.Stat(p); err != nil {
+			if !errors.Is(err, fs.ErrNotExist) {
+				state.Fatal("Error accessing PulseAudio cookie:", err)
+				// unreachable
+				return p
+			}
+		} else if !s.IsDir() {
+			return p
+		}
+	}
+
+	state.Fatal(fmt.Sprintf("Cannot locate PulseAudio cookie (tried $%s, $%s/pulse/cookie, $%s/.pulse-cookie)",
+		PulseCookie, xdgConfigHome, home))
+	return ""
+}
-- 
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