commit 1379e82b3df9f2496fbf72aaac3669e5c826f02a
Author: FliegendeWurst <2012gdwu@web.de>
Date:   Thu Jan 26 12:58:31 2017 +0100

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..eb5a316
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..b344318
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,302 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..021a805
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,32 @@
+[package]
+name = "pwgenr"
+version = "0.1.0"
+authors = ["FliegendeWurst <2012gdwu@web.de>"]
+description = "Untypable password generator"
+repository = "https://gitlab.com/Sakuhl/pwgenr/"
+keywords = ["password", "generator", "unicode"]
+readme = "README.md"
+license = "GPL-3.0"
+build = "build.rs"
+
+[dependencies]
+clap = "^2.20"
+unichars = "^0.0"
+rand = "^0.3"
+term_size = "^0.2"
+slog-term = "^1.3"
+lazy_static = "^0.2"
+
+[dependencies.slog]
+version = "^1.4"
+features = ["release_max_level_debug",
+            "max_level_trace"]
+
+[dev-dependencies]
+find_folder = "^0.3"
+lazy_static = "^0.2"
+
+[build-dependencies]
+clap = "^2.20"
+lazy_static = "^0.2"
+unichars = "^0.0"
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..6bebf02
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,26 @@
+#[macro_use] extern crate lazy_static;
+
+extern crate clap;
+
+use clap::Shell;
+
+use std::env;
+
+include!("src/cli.rs");
+
+fn main() {
+    let outdir = match env::var_os("OUT_DIR") {
+        None => return,
+        Some(outdir) => outdir,
+    };
+    let mut app = build_cli();
+    app.gen_completions("pwgenr",      // We need to specify the bin name manually
+                        Shell::Bash,  // Then say which shell to build completions for
+                        outdir.clone());      // Then say where write the completions to
+    app.gen_completions("pwgenr",
+                        Shell::Zsh,
+                        outdir.clone());
+    app.gen_completions("pwgenr",
+                        Shell::Fish,
+                        outdir.clone());
+}
\ No newline at end of file
diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..8d2e5cb
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,72 @@
+use clap::{ App, Arg };
+
+extern crate unichars;
+use unichars::*;
+
+use std::collections::HashMap;
+
+lazy_static! {
+    pub static ref CATEGORIES: HashMap<&'static str, &'static [char]> = {
+        let mut map = HashMap::new();
+        map.insert("ascii", ASCII);
+        map.insert("arrows", ARROWS);
+        map.insert("box", BOX);
+        map.insert("dingbat", DINGBAT);
+        map.insert("games", GAMES);
+        map.insert("math", MATH);
+        map.insert("symbols", SYMBOLS);
+        map.insert("tech", TECH);
+        map
+    };
+}
+
+fn is_int(s: String) -> Result<(), String> {
+    s.parse::<usize>().map(|_| ()).map_err(|e| e.to_string())
+}
+
+pub fn build_cli() -> App<'static, 'static> {
+    App::new("Password generator")
+        .version(option_env!("CARGO_PKG_VERSION").unwrap_or("42"))
+        .author("FliegendeWurst <2012gdwu@web.de>")
+        .arg(Arg::with_name("list")
+            .short("l")
+            .long("list")
+            .help("Print the generated passwords in a list (default: columns)"))
+        .arg(Arg::with_name("column-separator")
+            .short("s")
+            .long("column-separator")
+            .takes_value(true)
+            .empty_values(true)
+            .conflicts_with("list")
+            .default_value(" ")
+            .help("Separator between columns"))
+        .arg(Arg::with_name("categories")
+            .short("c")
+            .takes_value(true)
+            .multiple(true)
+            .conflicts_with("ascii")
+            .possible_values(&CATEGORIES.keys().cloned().collect::<Vec<_>>())
+            .help("Categories to be used"))
+        .arg(Arg::with_name("clipboard")
+            .short("b")
+            .long("clipboard")
+            .help("Copy first password to clipboard (requires xclip)"))
+        .arg(Arg::with_name("ascii")
+            .short("a")
+            .long("ascii")
+            .help("Only use ASCII characters"))
+        .arg(Arg::with_name("LENGTH")
+            .takes_value(true)
+            .validator(is_int)
+            .default_value("64")
+            .help("The length of the generated passwords"))
+        .arg(Arg::with_name("AMOUNT")
+            .takes_value(true)
+            .validator(is_int)
+            .default_value("12")
+            .help("How many passwords should be generated"))
+        .arg(Arg::with_name("v")
+            .short("v")
+            .multiple(true)
+            .help("Set the logging level"))
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..25be72f
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,135 @@
+#[macro_use] extern crate lazy_static;
+extern crate clap;
+
+extern crate unichars;
+use unichars::*;
+
+extern crate rand;
+use rand::{ OsRng, Rng };
+
+extern crate term_size;
+
+#[macro_use]
+extern crate slog;
+use slog::{ LevelFilter, Level, Logger };
+extern crate slog_term;
+use slog::DrainExt;
+
+use std::process;
+
+mod cli;
+
+fn gen_pw(alphabet: &[char], length: usize, rng: &mut OsRng) -> String {
+    let mut buf = String::new();
+    for _ in 0..length {
+        let c = rng.choose(alphabet).map(|x| x.to_string()).unwrap_or_else(|| unreachable!());
+        buf.push_str(&c);
+    }
+    buf
+}
+
+fn main() {
+    let matches = cli::build_cli().get_matches();
+
+    // Create logging context based on verbosity
+    let verbosity = matches.occurrences_of("v") as usize;
+    let filter = Level::from_usize(verbosity + 3).unwrap_or(Level::Trace);
+    let drain = LevelFilter::new(slog_term::StreamerBuilder::new().stderr().compact().build(), filter);
+    let log = slog::Logger::root(drain.fuse(), o!("version" => option_env!("CARGO_PKG_VERSION").unwrap_or("42")));
+    
+    info!(log, "Verbosity"; "level" => verbosity);
+
+    // these unwraps are safe, since the value is required and validated above
+    let length = matches.value_of("LENGTH").unwrap().parse::<usize>().unwrap();
+    let amount = matches.value_of("AMOUNT").unwrap().parse::<usize>().unwrap();
+    let column_sep = matches.value_of("column-separator").unwrap();
+    info!(log, "Passed arguments"; "length" => length, "amount" => amount, "column-separator" => column_sep);
+
+    let alphabet = if matches.is_present("ascii") {
+        let mut all = Vec::new();
+        all.extend(ASCII);
+        debug!(log, "Chosen characters"; "alphabet" => format!("{:?}", all));
+        all
+    } else if let Some(categories) = matches.values_of("categories") {
+        let mut all = Vec::new();
+        for category in categories {
+            debug!(log, "Adding category"; "name" => category);
+            all.extend_from_slice(cli::CATEGORIES.get(category).unwrap());
+        }
+        debug!(log, "Chosen characters"; "alphabet" => format!("{:?}", all));
+        all
+    } else {
+        let mut all = Vec::new();
+        all.extend(ARROWS);
+        all.extend(ASCII);
+        all.extend(BOX);
+        all.extend(DINGBAT);
+        all.extend(ENCLOSED);
+        all.extend(GAMES);
+        all.extend(MATH);
+        all.extend(SYMBOLS);
+        all.extend(TECH);
+        debug!(log, "Chosen characters"; "alphabet" => format!("{:?}", all));
+        all
+    };
+
+    let mut rng = OsRng::new().unwrap_or_else(|_| { crit!(log, "Couldnt instantiate randomness generator"); std::process::exit(1) });
+
+    let width = if matches.is_present("list") {
+        length 
+    } else {
+        term_size::dimensions().map(|x| x.0).unwrap_or(length)
+    };
+    info!(log, "Got dimensions"; "width" => width);
+
+    let mut used_width = 0;
+    for i in 0..amount {
+        let pw = gen_pw(&alphabet, length, &mut rng);
+        let pw_len = pw.chars().count(); // str.len() measures bytes, not characters :/
+
+        if i != 0 {
+            if used_width + column_sep.len() + pw_len <= width {
+                print!("{}", column_sep);
+                used_width += column_sep.len();
+            } else {
+                println!();
+                used_width = 0;
+            }
+        }
+
+        // copy password to clipboard
+        if i == 0 && matches.is_present("clipboard") {
+            to_clip(pw.clone(), log.new(o!("purpose" => "clipboard-copying")));
+        }
+
+        debug!(log, "Generated password"; "length" => pw_len);
+        if pw_len != length {
+            warn!(log, "Generated wrongly sized password"; "size" => pw_len);
+        }
+        print!("{}", pw);
+        used_width += pw_len;
+    }
+    if used_width != 0 { println!() }
+}
+
+
+fn to_clip(value: String, log: Logger) {
+    use std::io::*;
+    let _ = process::Command::new("xclip")
+        .arg("-selection")
+        .arg("clipboard")
+        .current_dir("/usr/bin")
+        .stdin(process::Stdio::piped())
+        .spawn().map_err(|e| {
+            error!(log, "Couldn't launch xclip"; "error" => e.to_string())
+        }).map(|child| {
+        child.stdin.or_else(|| {
+            error!(log, "Couldn't open stdin on child"); None
+        }).map(|mut outstdin| {
+            let mut writer = BufWriter::new(&mut outstdin);
+            writer.write_all(value.as_bytes()).unwrap_or_else(|e| {
+                error!(log, "Couldn't write to stdin on child"; "error" => e.to_string())
+            });
+        })
+    });
+}
diff --git a/tests/all.rs b/tests/all.rs
new file mode 100644
index 0000000..4d444ee
--- /dev/null
+++ b/tests/all.rs
@@ -0,0 +1,73 @@
+///! All tests assume only one password is printed per line, since we can't get the 'real' terminal width in a test
+#[macro_use] extern crate lazy_static;
+extern crate find_folder;
+use find_folder::Search;
+
+extern crate unichars;
+use unichars::*;
+
+lazy_static! {
+    static ref PATH: ::std::path::PathBuf = { Search::ParentsThenKids(3, 3).for_folder("target").unwrap().join(::std::path::Path::new("debug/pwgenr")) };
+}
+
+macro_rules! exe {
+    ($($arg:expr),*) => {
+        match ::std::process::Command::new(&*PATH)
+            .arg("-vv")
+            // Start a repetition:
+            $(
+                // Each repeat will contain the following statement, with
+                // $arg replaced with the corresponding expression.
+                .arg($arg)
+            )*
+            .output()
+            .expect("failed to execute process") {
+               ::std::process::Output { status: _, stdout: out, stderr: err } => {
+                    let out = String::from_utf8(out).unwrap();
+                    let err = String::from_utf8(err).unwrap();
+                    println!("out\n{}\nerr\n{}", out, err);
+                    // skip last empty line
+                    (out.rsplit('\n').skip(1).map(|x| x.to_string()).collect::<Vec<_>>(), err)
+                }
+            }
+    }
+}
+
+#[test]
+fn length_amount() {
+    let (out, _) = exe!("19", "15");
+    assert_eq!(out.len(), 15);
+    for line in &out {
+        assert_eq!(line.chars().count(), 19);
+    }
+}
+
+#[test]
+fn ascii() {
+    let (out, _) = exe!("-a", "1", "10");
+    assert_eq!(out.len(), 10);
+    for line in &out {
+        assert_eq!(line.chars().count(), 1);
+        for c in line.chars() {
+            assert!(ASCII.contains(&c));
+        }
+    }
+}
+
+#[test]
+fn categories() {
+    let (out, _) = exe!("-c", "box", "arrows", "--", "16", "20");
+    assert_eq!(out.len(), 20);
+    for line in &out {
+        assert_eq!(line.chars().count(), 16);
+        for c in line.chars() {
+            assert!(BOX.contains(&c) || ARROWS.contains(&c));
+        }
+    }
+}
+
+#[test]
+fn empty() {
+    let (out, _) = exe!("0", "0");
+    assert_eq!(out.len(), 0);
+}