From f734f9de09bbd99adb4114b68a0a6f72ea78542d Mon Sep 17 00:00:00 2001 From: sup39 Date: Thu, 25 Jan 2024 15:47:49 +0900 Subject: [PATCH] feat: generate password with length and charset --- .gitignore | 1 + Cargo.lock | 75 ++++++++++++++++++ Cargo.toml | 11 +++ LICENSE-APACHE | 201 +++++++++++++++++++++++++++++++++++++++++++++++++ LICENSE-MIT | 19 +++++ README.md | 30 ++++++++ src/main.rs | 45 +++++++++++ 7 files changed, 382 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE-APACHE create mode 100644 LICENSE-MIT create mode 100644 README.md create mode 100644 src/main.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..5b1d1dd --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,75 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" + +[[package]] +name = "getrandom" +version = "0.2.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f" +dependencies = [ + "cfg-if", + "libc", + "wasi", +] + +[[package]] +name = "libc" +version = "0.2.150" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c" + +[[package]] +name = "ppv-lite86" +version = "0.2.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" + +[[package]] +name = "rand" +version = "0.8.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", +] + +[[package]] +name = "rand_chacha" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c" +dependencies = [ + "getrandom", +] + +[[package]] +name = "sup-randpass" +version = "0.1.0" +dependencies = [ + "rand", +] + +[[package]] +name = "wasi" +version = "0.11.0+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..ca3b653 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,11 @@ +[package] +name = "sup-randpass" +version = "0.1.0" +edition = "2021" +license = "MIT OR Apache-2.0" +authors = ["sup39 "] +repository = "https://forgejo.sup39.dev/sup39/sup-randpass" +description = "A simple password generator by sup39" + +[dependencies] +rand = "0.8.5" diff --git a/LICENSE-APACHE b/LICENSE-APACHE new file mode 100644 index 0000000..261eeb9 --- /dev/null +++ b/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..5cbece8 --- /dev/null +++ b/README.md @@ -0,0 +1,30 @@ +# sup-randpass +A simple password generator by sup39 + +## Usage +```sh +sup-randpass [LENGTH=36] [CHARSET...] +``` +### Charset +* `-s`: space (`' '`) +* `-w`: alphanumeric (`'0'..='9'`, `'A'..='Z'`, `'a'..='z'`) +* `-d`: numerical digits (`'0'..='9'`) +* `-a`: alphabets (`'A'..='Z'`, `'a'..='z'`) +* `-u`: uppercase (`'A'..='Z'`) +* `-l`: lowercase (`'a'..='z'`) +* `--`: hyphen (`'-'`) +* o.w.: every characters in the argument string + +If no charset is specified, all ASCII printable characters (`' '..='~'`) are used + +### Examples +```sh +# generate password of length 36 containing ASCII printable characters +sup-randpass + +# generate password of length 20 containing only alphanumeric characters +sup-randpass 20 -w + +# generate password of length 32 containing alphanumeric characters or '+' '-' '%' +sup-randpass 20 -w +-% +``` diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..16d6669 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,45 @@ +/// SPDX-FileCopyrightText: 2023-2024 sup39 +/// SPDX-License-Identifier: MIT OR Apache-2.0 + +use rand::prelude::*; + +const DEFAULT_LENGTH: usize = 36; +fn main() { + let mut args = std::env::args(); + let _ = args.next(); // drop argv[0] + let length = args.next() + .map(|s| { + s.parse::() + .map_err(|_| format!("Length should be nonnegative, got {s}")) + .unwrap() + }) + .unwrap_or(DEFAULT_LENGTH); + + let mut charset = Vec::::new(); + args.for_each(|s| match s.as_str() { + "-s" => charset.push(' '), + "-w" => { + charset.extend('0'..='9'); + charset.extend('A'..='Z'); + charset.extend('a'..='z'); + }, + "-d" => charset.extend('0'..='9'), + "-a" => { + charset.extend('A'..='Z'); + charset.extend('a'..='z'); + }, + "-u" => charset.extend('A'..='Z'), + "-l" => charset.extend('a'..='z'), + "--" => charset.push('-'), + s => charset.extend(s.chars()), + }); + if charset.len() == 0 { + charset = (' '..='~').collect(); + } + + let mut rng = rand::thread_rng(); + let result: String = (0..length) + .map(|_| charset.choose(&mut rng).unwrap()) + .collect(); + print!("{}", result); +}