core: add privesc package for privilege escalation

- Adds support for run0 and doas
fixes #998

core/internal/distros/base.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/deps"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/privesc"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/version"
 )
 
@@ -55,27 +56,6 @@ func (b *BaseDistribution) logError(message string, err error) {
 	b.log(errorMsg)
 }
 
-// escapeSingleQuotes escapes single quotes in a string for safe use in bash single-quoted strings.
-// It replaces each ' with '\” which closes the quote, adds an escaped quote, and reopens the quote.
-// This prevents shell injection and syntax errors when passwords contain single quotes or apostrophes.
-func escapeSingleQuotes(s string) string {
-	return strings.ReplaceAll(s, "'", "'\\''")
-}
-
-// MakeSudoCommand creates a command string that safely passes password to sudo.
-// This helper escapes special characters in the password to prevent shell injection
-// and syntax errors when passwords contain single quotes, apostrophes, or other special chars.
-func MakeSudoCommand(sudoPassword string, command string) string {
-	return fmt.Sprintf("echo '%s' | sudo -S %s", escapeSingleQuotes(sudoPassword), command)
-}
-
-// ExecSudoCommand creates an exec.Cmd that runs a command with sudo using the provided password.
-// The password is properly escaped to prevent shell injection and syntax errors.
-func ExecSudoCommand(ctx context.Context, sudoPassword string, command string) *exec.Cmd {
-	cmdStr := MakeSudoCommand(sudoPassword, command)
-	return exec.CommandContext(ctx, "bash", "-c", cmdStr)
-}
-
 func (b *BaseDistribution) detectCommand(name, description string) deps.Dependency {
 	status := deps.StatusMissing
 	if b.commandExists(name) {
@@ -710,7 +690,7 @@ func (b *BaseDistribution) installDMSBinary(ctx context.Context, sudoPassword st
 	}
 
 	// Install to /usr/local/bin
-	installCmd := ExecSudoCommand(ctx, sudoPassword,
+	installCmd := privesc.ExecCommand(ctx, sudoPassword,
 		fmt.Sprintf("cp %s /usr/local/bin/dms", binaryPath))
 	if err := installCmd.Run(); err != nil {
 		return fmt.Errorf("failed to install DMS binary: %w", err)