3 files changed, 32 insertions, 2 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 9deae2d..984c9e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,4 +1,23 @@
 [[package]]
+name = "libc"
+version = "0.2.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "summainrs"
 version = "0.1.0"
+dependencies = [
+ "users 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "users"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
+[metadata]
+"checksum libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)" = "76e3a3ef172f1a0b9a9ff0dd1491ae5e6c948b94479a3021819ba7d860c8645d"
+"checksum users 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "caa2760fcc10a6ae2c2a35d41c5d69827e4663f0d3889ecfb4d60b343f4139df"
diff --git a/Cargo.toml b/Cargo.toml
index 924309c..5acabab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 authors = ["Lars Wirzenius <liw@liw.fi>"]
 
 [dependencies]
+users = "0.7"
diff --git a/src/main.rs b/src/main.rs
index cdaa8e0..6409dd3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,6 +4,8 @@ use std::fs;
 use std::os::unix::fs::PermissionsExt;
 use std::os::linux::fs::MetadataExt;
 
+extern crate users;
+
 mod fswalk;
 use fswalk::DirTree;
 
@@ -80,10 +82,18 @@ fn format_gid(meta: &fs::Metadata) -> String {
 
 
 fn format_username(meta: &fs::Metadata) -> String {
-    format!("xxx")
+    if let Some(u) = users::get_user_by_uid(meta.st_uid()) {
+        format!("{}", u.name())
+    } else {
+        format!("unknown user")
+    }
 }
 
 
 fn format_group(meta: &fs::Metadata) -> String {
-    format!("xxx")
+    if let Some(g) = users::get_group_by_gid(meta.st_gid()) {
+        format!("{}", g.name())
+    } else {
+        format!("unknown group")
+    }
 }