5 files changed, 21 insertions, 13 deletions

diff --git a/CHANGES b/CHANGES
index f21fa28..8a641c5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+1.1.1 (2020-01-19)
+  * Skip canonical path check when running chrooted.
+    This works around a requirement by musl to have a mounted /proc filesystem
+    when calling realpath(3).
+
 1.1.0 (2019-10-05)
   * Server:
     - chroot to destination directory if permissions are sufficient
diff --git a/Cargo.toml b/Cargo.toml
index a1adf0d..c094591 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rtftp"
-version = "1.1.0"
+version = "1.1.1"
 authors = ["Reiner Herrmann <reiner@reiner-h.de>"]
 edition = "2018"
 license = "GPL-3.0-or-later"
@@ -10,8 +10,8 @@ lto = true
 panic = 'abort'
 
 [dependencies]
-nix = "0.15.0"
-getopts = "0.2.19"
+nix = "0.16.1"
+getopts = "0.2.21"
 threadpool = "1.7.1"
 
 [[bin]]
diff --git a/src/lib.rs b/src/lib.rs
index 6250722..842dcb9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Reiner Herrmann <reiner@reiner-h.de>
+ * Copyright 2019-2020 Reiner Herrmann <reiner@reiner-h.de>
  * License: GPL-3+
  */
 
diff --git a/src/tftpc.rs b/src/tftpc.rs
index a134293..d47468f 100644
--- a/src/tftpc.rs
+++ b/src/tftpc.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Reiner Herrmann <reiner@reiner-h.de>
+ * Copyright 2019-2020 Reiner Herrmann <reiner@reiner-h.de>
  * License: GPL-3+
  */
 
@@ -218,10 +218,7 @@ impl Tftpc {
         };
         match err {
             Ok(msg) => println!("{}", msg),
-            Err(err) => {
-                println!("Error: {}", err);
-                return;
-            }
+            Err(err) => println!("Error: {}", err),
         }
     }
 }
diff --git a/src/tftpd.rs b/src/tftpd.rs
index 6513367..f056a74 100644
--- a/src/tftpd.rs
+++ b/src/tftpd.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Reiner Herrmann <reiner@reiner-h.de>
+ * Copyright 2019-2020 Reiner Herrmann <reiner@reiner-h.de>
  * License: GPL-3+
  */
 
@@ -63,6 +63,12 @@ impl Tftpd {
     }
 
     fn file_allowed(&self, filename: &Path) -> Option<PathBuf> {
+        if self.conf.dir == PathBuf::from("/") {
+            /* running either chrooted in requested directory,
+               or whole root is being served */
+            return Some(filename.to_path_buf());
+        }
+
         /* get parent to check dir where file should be read/written */
         let path = self.conf.dir.join(filename)
                                 .parent()?
@@ -76,7 +82,7 @@ impl Tftpd {
         }
     }
 
-    fn handle_wrq(&mut self, socket: &UdpSocket, cl: &SocketAddr, buf: &[u8]) -> Result<(String), io::Error> {
+    fn handle_wrq(&mut self, socket: &UdpSocket, cl: &SocketAddr, buf: &[u8]) -> Result<String, io::Error> {
         let (filename, mode, mut options) = self.tftp.parse_file_mode_options(buf)?;
         self.tftp.init_tftp_options(&socket, &mut options)?;
 
@@ -123,7 +129,7 @@ impl Tftpd {
         }
     }
 
-    fn handle_rrq(&mut self, socket: &UdpSocket, cl: &SocketAddr, buf: &[u8]) -> Result<(String), io::Error> {
+    fn handle_rrq(&mut self, socket: &UdpSocket, cl: &SocketAddr, buf: &[u8]) -> Result<String, io::Error> {
         let (filename, mode, mut options) = self.tftp.parse_file_mode_options(buf)?;
         self.tftp.init_tftp_options(&socket, &mut options)?;
 
@@ -345,7 +351,7 @@ fn parse_commandline(args: &[String]) -> Option<Configuration> {
         usage(&opts, &program, Some(String::from("Only one of r (read-only) and w (write-only) allowed")));
         return None;
     }
-    if matches.free.len() > 0 {
+    if !matches.free.is_empty() {
         conf.dir = Path::new(&matches.free[0]).to_path_buf();
     }