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-rw-r--r--src/client.rs25
-rw-r--r--src/common.rs64
-rw-r--r--src/server.rs13
3 files changed, 62 insertions, 40 deletions
diff --git a/src/client.rs b/src/client.rs
index f26c35d..79a95f7 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -6,7 +6,9 @@ use std::string::String;
use std::str::{self, FromStr};
use std::env;
use std::net;
+use std::io;
use std::process;
+use std::error::Error;
use std::process::exit;
use std::process::Command;
use getopts::Options;
@@ -70,23 +72,28 @@ pub fn run_client(host: &str, local_file: &str, remote_file: &str, remote_is_dir
};
let mut stream: UdtStream = UdtStream::new(socket);
+ let io_result: io::Result<()>;
if !no_crypto {
let mut stream = SecretStream::new(stream);
stream.key = string2key(remote_secret).unwrap();
stream.read_nonce = string2nonce(remote_write_nonce).unwrap();
stream.write_nonce = string2nonce(remote_read_nonce).unwrap();
if is_recv {
- common::sink_files(&mut stream, local_file, remote_is_dir)
+ io_result = common::sink_files(&mut stream, local_file, remote_is_dir);
} else {
- common::source_files(&mut stream, local_file, remote_is_dir)
+ io_result = common::source_files(&mut stream, local_file, remote_is_dir);
}
} else {
if is_recv {
- common::sink_files(&mut stream, local_file, remote_is_dir)
+ io_result = common::sink_files(&mut stream, local_file, remote_is_dir);
} else {
- common::source_files(&mut stream, local_file, remote_is_dir)
+ io_result = common::source_files(&mut stream, local_file, remote_is_dir);
}
}
+ match io_result {
+ Ok(_) => Ok(()),
+ Err(e) => Err(e.description().to_string()),
+ }
}
fn usage_client(opts: Options) {
@@ -154,7 +161,7 @@ pub fn main_client() {
let mut stream: UdtStream = UdtStream::new(socket);
println!("opened socket");
- let mut ret: Result<(), String>;
+ let mut ret: io::Result<()>;
if !no_crypto {
let mut stream = SecretStream::new(stream);
stream.key = string2key(&matches.opt_str("key").unwrap()).unwrap();
@@ -165,7 +172,7 @@ pub fn main_client() {
} else if matches.opt_present("t") {
ret = common::sink_files(&mut stream, &matches.opt_str("t").unwrap(), dir_mode);
} else {
- ret = Err("Didn't Run".to_string());
+ unreachable!();
}
} else {
if matches.opt_present("f") {
@@ -173,14 +180,14 @@ pub fn main_client() {
} else if matches.opt_present("t") {
ret = common::sink_files(&mut stream, &matches.opt_str("t").unwrap(), dir_mode);
} else {
- ret = Err("Didn't Run".to_string());
+ unreachable!();
}
}
match ret {
Ok(_) => { exit(0); },
- Err(msg) => {
- writeln!(&mut ::std::io::stderr(), "{}", msg).unwrap();
+ Err(err) => {
+ writeln!(&mut ::std::io::stderr(), "{}", err.description()).unwrap();
exit(-1);
}
}
diff --git a/src/common.rs b/src/common.rs
index 9aa477f..facd527 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -9,50 +9,54 @@ use std::io::{Read, Write, BufRead, BufReader};
use std::process::exit;
use std::net;
-pub fn source_files<S: Read + Write>(stream: &mut S, file_path: &str, recursive: bool) -> Result<(), String> {
+fn fake_io_error(msg: &str) -> io::Result<()> {
+ Err(io::Error::new(io::ErrorKind::Other, msg))
+}
+
+pub fn source_files<S: Read + Write>(stream: &mut S, file_path: &str, recursive: bool) -> io::Result<()> {
println!("SOURCE FILE: {}", file_path);
if recursive { unimplemented!(); }
- let mut f = File::open(file_path).unwrap();
- let metadata = f.metadata().unwrap();
+ let mut f = try!(File::open(file_path));
+ let metadata = try!(f.metadata());
assert!(metadata.is_file());
let fmode: u32 = metadata.permissions().mode();
let flen: usize = metadata.len() as usize;
// Format as 4 digits octal, left-padding with zero
let line = format!("C{:0>4o} {} {}\n", fmode, flen, file_path);
- stream.write_all(line.as_bytes()).unwrap();
+ try!(stream.write_all(line.as_bytes()));
println!("{}", line);
let mut byte_buf = [0; 1];
- stream.read_exact(&mut byte_buf).unwrap();
+ try!(stream.read_exact(&mut byte_buf));
let reply = byte_buf[0];
match reply {
0 => {}, // Success, pass
1 | 2 => { // Warning
unimplemented!();
},
- _ => { return Err("Unexpected status char!".to_string()); },
+ _ => { return fake_io_error("Unexpected status char!"); },
};
let mut buf = [0; 4096];
let mut sent: usize = 0;
while sent < flen {
- let rlen = f.read(&mut buf).unwrap();
+ let rlen = try!(f.read(&mut buf));
assert!(rlen > 0);
let mut wbuf = &mut buf[..rlen];
- stream.write_all(&wbuf).unwrap();
+ try!(stream.write_all(&wbuf));
sent += rlen;
//println!("sent: {}", sent);
}
// f.close(); XXX:
- stream.read_exact(&mut byte_buf).unwrap();
+ try!(stream.read_exact(&mut byte_buf));
let reply = byte_buf[0];
match reply {
0 => {}, // Success, pass
1 | 2 => { // Warning
unimplemented!();
},
- _ => { return Err("Unexpected status char!".to_string()) },
+ _ => { return fake_io_error("Unexpected status char!"); },
};
Ok(())
}
@@ -62,7 +66,7 @@ fn raw_read_line<S: Read + Write>(stream: &mut S) -> io::Result<String> {
let mut s = String::new();
let mut byte_buf = [0];
loop {
- stream.read_exact(&mut byte_buf).unwrap();
+ try!(stream.read_exact(&mut byte_buf));
if byte_buf[0] == '\n' as u8 {
return Ok(s);
}
@@ -73,48 +77,54 @@ fn raw_read_line<S: Read + Write>(stream: &mut S) -> io::Result<String> {
// TODO: it would be nice to be able to do BufReader/BufWriter on stream. This would require
// implementations of Read and Write on immutable references to stream (a la TcpStream, File, et
// al)
-pub fn sink_files<S: Read + Write>(stream: &mut S, file_path: &str, recursive: bool) -> Result<(), String> {
- println!("SINK FILE: {}", file_path);
+pub fn sink_files<S: Read + Write>(stream: &mut S, file_path: &str, recursive: bool) -> io::Result<()> {
+ info!("SINK FILE: {}", file_path);
if recursive { unimplemented!(); }
- let mut f = File::create(file_path).unwrap();
+ let mut f = try!(File::create(file_path));
let mut byte_buf = [0; 1];
let mut buf = [0; 4096];
- stream.read_exact(&mut byte_buf).unwrap();
+ try!(stream.read_exact(&mut byte_buf));
let msg_type = byte_buf[0];
match msg_type as char {
'C' => {
- println!("Going to create!");
+ info!("Going to create!");
},
'D' => { unimplemented!(); },
'E' => { unimplemented!(); },
'T' => { unimplemented!(); },
- _ => { return Err(format!("Unexpected message type: {}", msg_type)); },
+ _ => { return fake_io_error(&format!("Unexpected message type: {}", msg_type)); },
};
- let line = raw_read_line(stream).unwrap();
+ let line = try!(raw_read_line(stream));
println!("got msg: {}", line);
- stream.write(&[0]).unwrap();
+ try!(stream.write(&[0]));
let line: Vec<&str> = line.split_whitespace().collect();
assert!(line.len() == 3);
- let fmode: u32 = u32::from_str_radix(line[0], 8).unwrap();
- let flen: usize = line[1].parse::<usize>().unwrap();
+ let fmode: u32 = match u32::from_str_radix(line[0], 8) {
+ Ok(x) => x,
+ Err(_) => { return fake_io_error("unparsable file mode in ucp 'C' message"); },
+ };
+ let flen: usize = match line[1].parse::<usize>() {
+ Ok(x) => x,
+ Err(_) => { return fake_io_error("unparsable file length in ucp 'C' message"); },
+ };
let fpath = Path::new(line[2]);
// TODO: I've disabled set_len; is this best practice? scp doesn't do it.
- //f.set_len(flen as u64).unwrap();
- fs::set_permissions(file_path, PermissionsExt::from_mode(fmode)).unwrap();
+ //try!(f.set_len(flen as u64));
+ try!(fs::set_permissions(file_path, PermissionsExt::from_mode(fmode)));
let mut received: usize = 0;
while received < flen {
- let rlen = stream.read(&mut buf).unwrap();
+ let rlen = try!(stream.read(&mut buf));
//println!("recieved: {}", rlen);
assert!(rlen > 0);
let mut wbuf = &mut buf[..rlen];
- f.write_all(&wbuf).unwrap();
+ try!(f.write_all(&wbuf));
received += rlen;
}
- f.sync_all().unwrap();
+ try!(f.sync_all());
// f.close(); XXX: closes automatically?
- stream.write(&[0]).unwrap();
+ try!(stream.write(&[0]));
Ok(())
}
diff --git a/src/server.rs b/src/server.rs
index cb57499..cedcf8c 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -123,23 +123,28 @@ fn run_server(path: &str, is_recv: bool, recursive: bool, daemonize: bool, no_cr
info!("Got connection from {}", socket.getpeername().unwrap());
let mut stream: UdtStream = UdtStream::new(socket);
+ let io_result: io::Result<()>;
if !no_crypto {
let mut stream = SecretStream::new(stream);
stream.key = secret_key;
stream.read_nonce = read_nonce;
stream.write_nonce = write_nonce;
if is_recv {
- common::sink_files(&mut stream, path, recursive)
+ io_result = common::sink_files(&mut stream, path, recursive)
} else {
- common::source_files(&mut stream, path, recursive)
+ io_result = common::source_files(&mut stream, path, recursive)
}
} else {
if is_recv {
- common::sink_files(&mut stream, path, recursive)
+ io_result = common::sink_files(&mut stream, path, recursive)
} else {
- common::source_files(&mut stream, path, recursive)
+ io_result = common::source_files(&mut stream, path, recursive)
}
}
+ match io_result {
+ Ok(_) => Ok(()),
+ Err(e) => Err(e.description().to_string()),
+ }
}
fn usage_server(opts: Options) {