From a6ed5e12739283b8ea25d909c9fb87ec319b25a7 Mon Sep 17 00:00:00 2001
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Wed, 26 Aug 2020 10:02:18 +0200
Subject: [PATCH] backup: add BACKUP_GROUP_NAME const and backup_group helper

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 src/backup.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/backup.rs b/src/backup.rs
index cb1426ab..1b2180bc 100644
--- a/src/backup.rs
+++ b/src/backup.rs
@@ -120,6 +120,8 @@ macro_rules! PROXMOX_BACKUP_READER_PROTOCOL_ID_V1 {
 
 /// Unix system user used by proxmox-backup-proxy
 pub const BACKUP_USER_NAME: &str = "backup";
+/// Unix system group used by proxmox-backup-proxy
+pub const BACKUP_GROUP_NAME: &str = "backup";
 
 /// Return User info for the 'backup' user (``getpwnam_r(3)``)
 pub fn backup_user() -> Result<nix::unistd::User, Error> {
@@ -129,6 +131,14 @@ pub fn backup_user() -> Result<nix::unistd::User, Error> {
     }
 }
 
+/// Return Group info for the 'backup' group (``getgrnam(3)``)
+pub fn backup_group() -> Result<nix::unistd::Group, Error> {
+    match nix::unistd::Group::from_name(BACKUP_GROUP_NAME)? {
+        Some(group) => Ok(group),
+        None => bail!("Unable to lookup backup user."),
+    }
+}
+
 mod file_formats;
 pub use file_formats::*;