diff options
author | Eelco Dolstra <edolstra@gmail.com> | 2019-09-17 00:18:17 +0200 |
---|---|---|
committer | Eelco Dolstra <edolstra@gmail.com> | 2019-12-10 13:37:23 +0100 |
commit | cce218f95050e82587f376d51e5f732d1f68eab3 (patch) | |
tree | ff3ef7377ae4d322bc02007d3d7df593ad1b90ed /nix-rust | |
parent | a1ff43045b3f1d075c67c262ff6f623b2b5d569e (diff) |
Add base32 encoder/decoder
Diffstat (limited to 'nix-rust')
-rw-r--r-- | nix-rust/Cargo.lock | 183 | ||||
-rw-r--r-- | nix-rust/Cargo.toml | 6 | ||||
-rw-r--r-- | nix-rust/local.mk | 5 | ||||
-rw-r--r-- | nix-rust/src/error.rs | 2 | ||||
-rw-r--r-- | nix-rust/src/lib.rs | 11 | ||||
-rw-r--r-- | nix-rust/src/store/store.rs | 2 | ||||
-rw-r--r-- | nix-rust/src/util/base32.rs | 140 | ||||
-rw-r--r-- | nix-rust/src/util/mod.rs | 1 |
8 files changed, 349 insertions, 1 deletions
diff --git a/nix-rust/Cargo.lock b/nix-rust/Cargo.lock index a372d299e..81074d60b 100644 --- a/nix-rust/Cargo.lock +++ b/nix-rust/Cargo.lock @@ -11,6 +11,11 @@ version = "1.0.25" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] +name = "assert_matches" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "autocfg" version = "0.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -44,6 +49,19 @@ dependencies = [ ] [[package]] +name = "bit-set" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "bit-vec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "bit-vec" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "bitflags" version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -69,6 +87,14 @@ dependencies = [ ] [[package]] +name = "c2-chacha" +version = "0.2.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "cc" version = "1.0.47" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -349,6 +375,16 @@ dependencies = [ ] [[package]] +name = "getrandom" +version = "0.1.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "h2" version = "0.1.26" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -382,6 +418,11 @@ dependencies = [ ] [[package]] +name = "hex" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "http" version = "0.1.21" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -624,9 +665,13 @@ dependencies = [ name = "nix-rust" version = "0.1.0" dependencies = [ + "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)", "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)", + "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)", "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)", + "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)", "reqwest 0.9.22 (registry+https://github.com/rust-lang/crates.io-index)", "tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)", "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)", @@ -642,6 +687,14 @@ dependencies = [ ] [[package]] +name = "num-traits" +version = "0.2.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "num_cpus" version = "1.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -690,6 +743,11 @@ version = "0.1.0-alpha.4" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] +name = "ppv-lite86" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "proc-macro2" version = "1.0.6" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -698,6 +756,25 @@ dependencies = [ ] [[package]] +name = "proptest" +version = "0.9.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "bit-set 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", + "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", + "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)", + "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", + "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)", + "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)", + "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", + "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)", + "rusty-fork 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", + "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "publicsuffix" version = "1.5.4" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -710,6 +787,11 @@ dependencies = [ ] [[package]] +name = "quick-error" +version = "1.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "quote" version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -736,6 +818,18 @@ dependencies = [ ] [[package]] +name = "rand" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "rand_chacha" version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -745,6 +839,15 @@ dependencies = [ ] [[package]] +name = "rand_chacha" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)", + "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "rand_core" version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -758,6 +861,14 @@ version = "0.4.2" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] +name = "rand_core" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "rand_hc" version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -766,6 +877,14 @@ dependencies = [ ] [[package]] +name = "rand_hc" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "rand_isaac" version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -840,6 +959,14 @@ version = "0.6.12" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] +name = "remove_dir_all" +version = "0.5.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "reqwest" version = "0.9.22" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -914,6 +1041,17 @@ dependencies = [ ] [[package]] +name = "rusty-fork" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)", + "tempfile 3.1.0 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"registry+https://github.com/rust-lang/crates.io-index" @@ -1289,6 +1440,14 @@ version = "0.9.1" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] +name = "wait-timeout" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "want" version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1299,6 +1458,11 @@ dependencies = [ ] [[package]] +name = "wasi" +version = "0.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "wasm-bindgen" version = "0.2.55" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1456,14 +1620,18 @@ dependencies = [ [metadata] "checksum adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5d2e7343e7fc9de883d1b0341e0b13970f764c14101234857d2ddafa1cb1cac2" "checksum anyhow 1.0.25 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"7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4" +"checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c" "checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08" "checksum rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b" "checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071" @@ -1550,11 +1728,13 @@ dependencies = [ "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84" "checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = 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"checksum rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b25a18b1bf7387f0145e7f8324e700805aade3842dd3db2e74e4cdeb4677c09e" +"checksum rusty-fork 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3dd93264e10c577503e926bd1430193eeb5d21b059148910082245309b424fae" "checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8" "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d" "checksum sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e3042af939fca8c3453b7af0f1c66e533a15a86169e39de2657310ade8f98d3c" @@ -1573,6 +1753,7 @@ dependencies = [ "checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238" "checksum synstructure 0.12.3 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wasm-bindgen-backend 0.2.55 (registry+https://github.com/rust-lang/crates.io-index)" = "1845584bd3593442dc0de6e6d9f84454a59a057722f36f005e44665d6ab19d85" "checksum wasm-bindgen-macro 0.2.55 (registry+https://github.com/rust-lang/crates.io-index)" = "87fcc747e6b73c93d22c947a6334644d22cfec5abd8b66238484dc2b0aeb9fe4" diff --git a/nix-rust/Cargo.toml b/nix-rust/Cargo.toml index a3807a936..3cfd2a48b 100644 --- a/nix-rust/Cargo.toml +++ b/nix-rust/Cargo.toml @@ -16,3 +16,9 @@ futures-preview = { version = "=0.3.0-alpha.18", features = ["compat"] } reqwest = { version = "0.9", default-features = false, features = ["rustls-tls"] } http = "0.1" tokio = { version = "0.1", default-features = false } +lazy_static = "1.4" + +[dev-dependencies] +hex = "0.3" +assert_matches = "1.3" +proptest = "0.9"
\ No newline at end of file diff --git a/nix-rust/local.mk b/nix-rust/local.mk index 1157f7894..eaa56fe48 100644 --- a/nix-rust/local.mk +++ b/nix-rust/local.mk @@ -36,3 +36,8 @@ clean: clean-rust clean-rust: $(suppress) rm -rfv nix-rust/target + +check: rust-tests + +rust-tests: + cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) RUSTC_BOOTSTRAP=1 cargo test --release $$(if [[ -d vendor ]]; then echo -Z offline; fi) diff --git a/nix-rust/src/error.rs b/nix-rust/src/error.rs index 08b9bcac2..9d6fa4c51 100644 --- a/nix-rust/src/error.rs +++ b/nix-rust/src/error.rs @@ -3,6 +3,7 @@ pub enum Error { InvalidPath(crate::store::StorePath), BadStorePath(std::path::PathBuf), BadNarInfo, + BadBase32, IOError(std::io::Error), HttpError(reqwest::Error), Misc(String), @@ -29,6 +30,7 @@ impl From<Error> for CppException { Error::BadStorePath(path) => unsafe { make_error(&format!("path '{}' is not a store path", path.display())) }, // FIXME + Error::BadBase32 => unsafe { make_error("invalid base32 string") }, // FIXME Error::IOError(err) => unsafe { make_error(&err.to_string()) }, Error::HttpError(err) => unsafe { make_error(&err.to_string()) }, Error::Foreign(ex) => ex, diff --git a/nix-rust/src/lib.rs b/nix-rust/src/lib.rs index 2dbe6a217..635c00aff 100644 --- a/nix-rust/src/lib.rs +++ b/nix-rust/src/lib.rs @@ -1,5 +1,16 @@ #![feature(await_macro, async_await)] +#[macro_use] +extern crate lazy_static; + +#[cfg(test)] +#[macro_use] +extern crate assert_matches; + +#[cfg(test)] +#[macro_use] +extern crate proptest; + mod c; mod error; mod foreign; diff --git a/nix-rust/src/store/store.rs b/nix-rust/src/store/store.rs index ceaed6648..32949a078 100644 --- a/nix-rust/src/store/store.rs +++ b/nix-rust/src/store/store.rs @@ -12,7 +12,7 @@ pub struct StorePath { pub const STORE_PATH_HASH_CHARS: usize = 32; impl StorePath { - pub fn new(path: &Path, store_dir: &str) -> Result<Self, Error> { + pub fn new(path: &Path, _store_dir: &str) -> Result<Self, Error> { // FIXME: check store_dir Self::new_short( path.file_name() diff --git a/nix-rust/src/util/base32.rs b/nix-rust/src/util/base32.rs new file mode 100644 index 000000000..ee42a0362 --- /dev/null +++ b/nix-rust/src/util/base32.rs @@ -0,0 +1,140 @@ +use crate::error::Error; +use std::collections::HashMap; + +pub fn encoded_len(input_len: usize) -> usize { + if input_len == 0 { + 0 + } else { + (input_len * 8 - 1) / 5 + 1 + } +} + +static BASE32_CHARS: &'static [u8; 32] = &b"0123456789abcdfghijklmnpqrsvwxyz"; + +lazy_static! { + static ref BASE32_CHARS_REVERSE: HashMap<char, u8> = BASE32_CHARS + .iter() + .enumerate() + .map(|(n, c)| (*c as char, n as u8)) + .collect(); +} + +pub fn encode(input: &[u8]) -> String { + let mut res = String::new(); + res.reserve(encoded_len(input.len())); + + let mut nr_bits_left: usize = 0; + let mut bits_left: u16 = 0; + + for b in input { + bits_left |= (*b as u16) << nr_bits_left; + nr_bits_left += 8; + while nr_bits_left > 5 { + res.push(BASE32_CHARS[(bits_left & 0x1f) as usize] as char); + bits_left >>= 5; + nr_bits_left -= 5; + } + } + + if nr_bits_left > 0 { + res.push(BASE32_CHARS[(bits_left & 0x1f) as usize] as char); + } + + res.chars().rev().collect() +} + +pub fn decode(input: &str) -> Result<Vec<u8>, crate::Error> { + let mut res = Vec::new(); + + let mut nr_bits_left: usize = 0; + let mut bits_left: u16 = 0; + + for c in input.chars().rev() { + let x = BASE32_CHARS_REVERSE.get(&c).ok_or(Error::BadBase32)?; + bits_left |= (*x as u16) << nr_bits_left; + nr_bits_left += 5; + if nr_bits_left >= 8 { + res.push((bits_left & 0xff) as u8); + bits_left >>= 8; + nr_bits_left -= 8; + } + } + + if nr_bits_left > 0 && bits_left != 0 { + return Err(Error::BadBase32); + } + + Ok(res) +} + +#[cfg(test)] +mod tests { + use super::*; + use hex; + + #[test] + fn test_encode() { + assert_eq!(encode(&[]), ""); + + assert_eq!( + encode(&hex::decode("0839703786356bca59b0f4a32987eb2e6de43ae8").unwrap()), + "x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88" + ); + + assert_eq!( + encode( + &hex::decode("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") + .unwrap() + ), + "1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s" + ); + + assert_eq!( + encode( + &hex::decode("ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f") + .unwrap() + ), + "2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx" + ); + } + + #[test] + fn test_decode() { + assert_eq!(hex::encode(decode("").unwrap()), ""); + + assert_eq!( + hex::encode(decode("x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88").unwrap()), + "0839703786356bca59b0f4a32987eb2e6de43ae8" + ); + + assert_eq!( + hex::encode(decode("1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s").unwrap()), + "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad" + ); + + assert_eq!( + hex::encode(decode("2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx").unwrap()), + "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f" + ); + + assert_matches!( + decode("xoxf8v9fxf3jk8zln1cwlsrmhqvp0f88"), + Err(Error::BadBase32) + ); + assert_matches!( + decode("2b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"), + Err(Error::BadBase32) + ); + assert_matches!(decode("2"), Err(Error::BadBase32)); + assert_matches!(decode("2gs"), Err(Error::BadBase32)); + assert_matches!(decode("2gs8"), Err(Error::BadBase32)); + } + + proptest! { + + #[test] + fn roundtrip(s: Vec<u8>) { + assert_eq!(s, decode(&encode(&s)).unwrap()); + } + } +} diff --git a/nix-rust/src/util/mod.rs b/nix-rust/src/util/mod.rs index 209627893..cd852c55f 100644 --- a/nix-rust/src/util/mod.rs +++ b/nix-rust/src/util/mod.rs @@ -1 +1,2 @@ +pub mod base32; pub mod tarfile; |