From 88001b795ca887fbacea121af4a17107f7d93701 Mon Sep 17 00:00:00 2001 From: Armin Friedl Date: Sun, 26 Jan 2020 01:05:12 +0100 Subject: [PATCH] Read from toml, simplify protocol, export key ids --- Cargo.lock | 49 ++------ Design.org | 12 +- Makefile | 4 +- coffer-client/Cargo.toml | 2 +- coffer-common/Cargo.toml | 11 +- coffer-common/src/certificate.rs | 15 +++ coffer-common/src/coffer.rs | 118 ++++++++++++++---- coffer-common/src/keyring.rs | 10 ++ coffer-companion/Cargo.toml | 3 +- .../src/{generate.rs => certificate.rs} | 7 +- coffer-companion/src/encrypt.rs | 11 +- coffer-companion/src/main.rs | 19 +-- coffer-server/Cargo.toml | 2 +- coffer-server/src/coffer_map.rs | 82 +++++++++--- coffer-server/src/main.rs | 24 ++-- coffer-server/src/protocol.rs | 82 +++--------- coffer-server/src/server.rs | 56 ++------- 17 files changed, 281 insertions(+), 226 deletions(-) rename coffer-companion/src/{generate.rs => certificate.rs} (64%) diff --git a/Cargo.lock b/Cargo.lock index 0be444c..285b344 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -36,13 +36,13 @@ dependencies = [ ] [[package]] -name = "bitflags" -version = "1.2.1" +name = "base64" +version = "0.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] -name = "bumpalo" -version = "3.1.1" +name = "bitflags" +version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] @@ -81,7 +81,7 @@ dependencies = [ [[package]] name = "coffer-client" -version = "0.2.0" +version = "0.4.0" dependencies = [ "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)", "exec 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", @@ -94,26 +94,26 @@ dependencies = [ [[package]] name = "coffer-common" -version = "0.1.0" +version = "0.4.0" dependencies = [ - "bumpalo 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)", + "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)", "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)", "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)", "seckey 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)", "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)", "serde_cbor 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)", "sodiumoxide 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)", "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "coffer-companion" -version = "0.2.0" +version = "0.4.0" dependencies = [ - "coffer-common 0.1.0", + "coffer-common 0.4.0", "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)", + "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)", "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)", @@ -125,10 +125,10 @@ dependencies = [ [[package]] name = "coffer-server" -version = "0.2.0" +version = "0.4.0" dependencies = [ "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)", - "coffer-common 0.1.0", + "coffer-common 0.4.0", "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)", "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", @@ -365,11 +365,6 @@ dependencies = [ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "itoa" -version = "0.4.4" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "kernel32-sys" version = "0.2.2" @@ -612,11 +607,6 @@ name = "rle-decode-fast" version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" -[[package]] -name = "ryu" -version = "1.0.2" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "seckey" version = "0.9.1" @@ -653,16 +643,6 @@ dependencies = [ "syn 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "serde_json" -version = "1.0.44" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)", - "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "serde_yaml" version = "0.8.11" @@ -932,8 +912,8 @@ dependencies = [ "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b" "checksum arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d7b8a9123b8027467bce0099fe556c628a53c8d83df0507084c31e9ba2e39aff" "checksum atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1803c647a3ec87095e7ae7acfca019e98de5ec9a7d01343f611cf3152ed71a90" +"checksum base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7" "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693" -"checksum bumpalo 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8fe2567a8d8a3aedb4e39aa39e186d5673acfd56393c6ac83b2bc5bd82f4369c" "checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5" "checksum bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10004c15deb332055f7a4a208190aed362cf9a7c2f6ab70a305fba50e1105f38" "checksum cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)" = "aa87058dce70a3ff5621797f1506cb837edd02ac4c0ae642b4542dce802908b8" @@ -966,7 +946,6 @@ dependencies = [ "checksum hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "023b39be39e3a2da62a94feb433e91e8bcd37676fbc8bea371daf52b7a769a3e" "checksum humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f" "checksum iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e" -"checksum itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "501266b7edd0174f8530248f87f99c88fbe60ca4ef3dd486835b8d8d53136f7f" "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d" "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" "checksum libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "1a31a0627fdf1f6a39ec0dd577e101440b7db22672c0901fe00a9a6fbb5c24e8" @@ -997,12 +976,10 @@ dependencies = [ "checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd" "checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716" "checksum rle-decode-fast 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cabe4fa914dec5870285fa7f71f602645da47c486e68486d2b4ceb4a343e90ac" -"checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8" "checksum seckey 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c819d0a699db7622e4ee55a651f992242f754481f97de3024dc548adcce13237" "checksum serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4b39bd9b0b087684013a792c59e3e07a46a01d2322518d8a1104641a0b1be0" "checksum serde_cbor 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7081ed758ec726a6ed8ee7e92f5d3f6e6f8c3901b1f972e3a4a2f2599fad14f" "checksum serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "ca13fc1a832f793322228923fbb3aba9f3f44444898f835d31ad1b74fa0a2bf8" -"checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7" "checksum serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)" = "691b17f19fc1ec9d94ec0b5864859290dff279dbd7b03f017afda54eb36c3c35" "checksum signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41" "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8" diff --git a/Design.org b/Design.org index 439873b..6e6c42d 100644 --- a/Design.org +++ b/Design.org @@ -25,7 +25,10 @@ * Coffer - Sharded KV-Store - Keys are UTF-8 Strings - - Typed values as defined by TOML: String, Integer, Float, Boolean, Date + - Typed values as defined by TOML: String, Integer, Float, Boolean + - No Dates support + - No binary data support + - Floats and Integers are 32 bit * Coffer Server A ~coffer-server~ can support multiple clients by means of /sharding/ the @@ -43,10 +46,9 @@ Encrypted Authentication: SK of coffer-companion, PK of coffer-server #+BEGIN_SRC yaml - # Names for ids (public keys) of clients - [clients] - file = "AAAA-AAAA-AAAA-AAAA" - bin = "FFFF-FFFF-FFFF-FFFF" + # IDs (public keys) of clients + file.id = "AAAA-AAAA-AAAA-AAAA" + bin.id = "FFFF-FFFF-FFFF-FFFF" # Secrets for a named client (defined in clients) [file] diff --git a/Makefile b/Makefile index dcc5a86..63e7d5b 100644 --- a/Makefile +++ b/Makefile @@ -7,7 +7,7 @@ release: cargo build --release publish: - docker pull clux/muslrust - docker run -v $(CURDIR):/volume --rm -t clux/muslrust cargo build --release + podman pull clux/muslrust + podman run -v .:/volume --rm -t clux/muslrust cargo build --release .PHONY: default release publish diff --git a/coffer-client/Cargo.toml b/coffer-client/Cargo.toml index db653cd..03fcf1c 100644 --- a/coffer-client/Cargo.toml +++ b/coffer-client/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "coffer-client" -version = "0.2.0" +version = "0.4.0" authors = ["Armin Friedl "] edition = "2018" diff --git a/coffer-common/Cargo.toml b/coffer-common/Cargo.toml index a22ad42..6901d04 100644 --- a/coffer-common/Cargo.toml +++ b/coffer-common/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "coffer-common" -version = "0.1.0" +version = "0.4.0" authors = ["armin"] edition = "2018" @@ -15,13 +15,12 @@ export = [] # Base tools log = "^0.4" env_logger = "^0.7" +quick-error = "^1.2" +# Serialization serde = { version = "^1.0", features = ["derive"]} serde_cbor = "^0.10" -serde_json = "^1.0" toml = "^0.5" -quick-error = "^1.2" +base64 = "^0.11" # Key management/Cryptography sodiumoxide = "^0.2" -seckey = "^0.9" -# Memory management -bumpalo = { version = "^3.1", features = ["collections"]} \ No newline at end of file +seckey = "^0.9" \ No newline at end of file diff --git a/coffer-common/src/certificate.rs b/coffer-common/src/certificate.rs index e73274b..893d653 100644 --- a/coffer-common/src/certificate.rs +++ b/coffer-common/src/certificate.rs @@ -83,6 +83,15 @@ impl Certificate { Ok(cbor) } + pub fn public_key(&self) -> Vec { + self.inner.read().public_key.as_ref().to_owned() + } + + #[cfg(feature = "export")] + pub fn secret_key(&self) -> Vec { + self.inner.read().private_key.as_ref().to_owned() + } + pub fn open(&self, c: &[u8]) -> Result, CertificateError> { let pk = &self.inner.read().public_key; let sk = &self.inner.read().private_key; @@ -90,6 +99,12 @@ impl Certificate { sealedbox::open(c, pk, sk) .map_err(|_| CertificateError::Crypto) } + + pub fn seal(&self, message: &[u8]) -> Result, CertificateError> { + let pk = &self.inner.read().public_key; + + Ok(sealedbox::seal(message, pk)) + } } impl > From for Certificate { diff --git a/coffer-common/src/coffer.rs b/coffer-common/src/coffer.rs index 010245c..dc14a53 100644 --- a/coffer-common/src/coffer.rs +++ b/coffer-common/src/coffer.rs @@ -1,8 +1,13 @@ //! A storage container for client data - #[allow(unused_imports)] use log::{debug, error, info, trace, warn}; +use std::path::Path; +use std::fs::File; +use std::io::{BufReader, Read}; + +use toml::Value as TomlValue; + use serde::{Serialize, Deserialize}; use quick_error::quick_error; @@ -29,39 +34,104 @@ pub enum CofferValue { String(String), /// A 32-bit integer Integer(i32), - /// An opaque blob of data - Blob(Vec) + /// A 32-bit float + Float(f32), + // A boolean + Boolean(bool) } -/// A path to a value -#[derive(Clone, Eq, PartialEq, Hash, Debug, Serialize, Deserialize)] -pub struct CofferPath(pub Vec); +#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)] +pub struct CofferKey { + pub shard: String, + pub key: String +} + +#[derive(Debug, Serialize, Deserialize)] +pub struct CofferShard(pub Vec<(String, CofferValue)>); /// Interface for interacting with a `Coffer` pub trait Coffer { /// Put `value` at `path`. Errors if there is already a value at `path`. - fn put(&mut self, path: CofferPath, value: CofferValue) -> CofferResult<()>; + fn put(&mut self, key: CofferKey, value: CofferValue) -> CofferResult<()>; /// Push `value` to `path`. Replaces existing values. - fn push(&mut self, path: CofferPath, value: CofferValue); + fn push(&mut self, key: CofferKey, value: CofferValue); /// Retrieve `value` at path. Errors if there is no `value` at path. - fn get(&self, path: CofferPath) -> CofferResult; -} + fn get(&self, key: &CofferKey) -> CofferResult; -impl From> for CofferPath -where T: AsRef -{ - fn from(val: Vec) -> Self { - CofferPath::from(&val) - } -} - -impl From<&Vec> for CofferPath -where T: AsRef -{ - fn from(val: &Vec) -> Self { - let col = val.iter().map(|p| {(*p).as_ref().to_owned()}).collect(); - CofferPath(col) + /// Retrieve `value` at path. Errors if there is no `value` at path. + fn get_shard(&self, shard: T) -> CofferResult + where T: AsRef; + + fn from_toml_file(toml_path: &Path) -> Self + where Self: Coffer + Default + { + // read the secrets file into a temporary string + let mut file = BufReader::new(File::open(toml_path).unwrap()); + let mut secrets_buf = String::new(); + file.read_to_string(&mut secrets_buf).unwrap(); + + Coffer::from_toml(&secrets_buf) + } + + fn from_toml(toml: &str) -> Self + where Self: Coffer + Default + { + // call implementation to create an empty coffer + let mut coffer = Self::default(); + + // parse the string into a toml Table + let clients: toml::value::Table = match toml.parse::().unwrap() { + TomlValue::Table(t) => t, + _ => panic!{"Invalid secrets file"} + }; + + /* + * Walk through the table of clients, where each client is a table which + * is either empty, or contains a table with at least an id and any + * number of secrets + * + * # Example: + * + * files.id = "AAAA-BBBB-CCCC" + * pad.id = "FFFF-EEEE-DDDD" + * + * [files] + * secret_string = "secret value1" + * secret_int = 12345 + * secret_bool = true + */ + for (_k, v) in clients { + + let client = match v { + TomlValue::Table(t) => t, + _ => panic!{"Invalid secrets file"} + }; + + for (k, v) in client.iter() { + + if "id" == k { continue } // ids are for sharding + + let value = match v { + TomlValue::String(s) => CofferValue::String(s.to_owned()), + TomlValue::Integer(i) => CofferValue::Integer(*i as i32), + TomlValue::Float(f) => CofferValue::Float(*f as f32), + TomlValue::Boolean(b) => CofferValue::Boolean(*b), + _ => panic!{"Value {:?} unsupported", v} + }; + + match client.get("id") { + Some(TomlValue::String(shard)) => { + let shard = shard.to_owned(); + let key = k.to_owned(); + coffer.put(CofferKey{shard, key}, value).unwrap(); + }, + _ => panic!{"Invalid secrets file"} + } + } + } + + return coffer; } } diff --git a/coffer-common/src/keyring.rs b/coffer-common/src/keyring.rs index 1c4722a..67aa277 100644 --- a/coffer-common/src/keyring.rs +++ b/coffer-common/src/keyring.rs @@ -1,6 +1,7 @@ #[allow(unused_imports)] use log::{debug, error, info, trace, warn}; +use std::path::Path; use std::collections::HashMap; use quick_error::quick_error; @@ -40,6 +41,15 @@ impl Keyring { } } + pub fn new_from_path(certificate_path: T) -> Keyring + where T: AsRef + { + Keyring { + certificate: Certificate::from(certificate_path), + known_keys: HashMap::new() + } + } + pub fn add_known_key(&mut self, key: &[u8]) -> Result<(), KeyringError> { let public_key = box_::PublicKey::from_slice(key) .ok_or(KeyringError::InvalidClientKey)?; diff --git a/coffer-companion/Cargo.toml b/coffer-companion/Cargo.toml index 6fa99b3..3430d4a 100644 --- a/coffer-companion/Cargo.toml +++ b/coffer-companion/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "coffer-companion" -version = "0.2.0" +version = "0.4.0" authors = ["Armin Friedl "] edition = "2018" @@ -14,6 +14,7 @@ structopt = "0.3" quick-error = "1.2" # Key management/Cryptography sodiumoxide = "0.2.5" +hex = "^0.4" # Communication serde = { version = "1.0", features = ["derive"]} serde_cbor = "0.10.2" diff --git a/coffer-companion/src/generate.rs b/coffer-companion/src/certificate.rs similarity index 64% rename from coffer-companion/src/generate.rs rename to coffer-companion/src/certificate.rs index 3f2452c..5838aaa 100644 --- a/coffer-companion/src/generate.rs +++ b/coffer-companion/src/certificate.rs @@ -13,5 +13,10 @@ pub fn generate_key(out: PathBuf) { .expect(&format!{"Could not create out file {}", &out.display()}); writer.write_all(&cert).unwrap(); - +} + +pub fn info(out: PathBuf) { + let cert = Certificate::new_from_cbor(out).unwrap(); + println!{"Public Key: {}", hex::encode_upper(cert.public_key())} + println!{"Secret Key: {}", hex::encode_upper(cert.secret_key())} } diff --git a/coffer-companion/src/encrypt.rs b/coffer-companion/src/encrypt.rs index a1ef249..01b8869 100644 --- a/coffer-companion/src/encrypt.rs +++ b/coffer-companion/src/encrypt.rs @@ -2,13 +2,16 @@ use coffer_common::certificate::Certificate; use std::path::PathBuf; use std::fs::File; +use std::io::Read; use std::io::Write; -use serde::Deserialize; -use serde_yaml; - +#[allow(unused)] pub fn encrypt_yaml(yaml:PathBuf, out: PathBuf, certificate: PathBuf) { let cert = Certificate::new_from_cbor(certificate).unwrap(); + let mut secrets = Vec::new(); + File::open(yaml).unwrap().read_to_end(&mut secrets).unwrap(); - let + let sealed = cert.seal(&secrets).unwrap(); + let mut out_file = File::create(out).unwrap(); + out_file.write_all(&sealed); } diff --git a/coffer-companion/src/main.rs b/coffer-companion/src/main.rs index b885924..13db6e4 100644 --- a/coffer-companion/src/main.rs +++ b/coffer-companion/src/main.rs @@ -1,22 +1,24 @@ use std::path::PathBuf; use structopt::StructOpt; -mod generate; +mod certificate; mod encrypt; #[derive(StructOpt, Debug)] enum Args { Certificate { #[structopt(short, long, parse(from_os_str))] - out: PathBuf + out: PathBuf, + #[structopt(short, long)] + info: bool }, Encrypt { + #[structopt(short, long, parse(from_os_str))] + certificate: PathBuf, #[structopt(short, long, parse(from_os_str))] yaml: PathBuf, #[structopt(short, long, parse(from_os_str))] - out: PathBuf, - #[structopt(short, long, parse(from_os_str))] - certificate: PathBuf, + out: PathBuf } } @@ -24,7 +26,10 @@ fn main() { let args: Args = Args::from_args(); match args { - Args::Certificate {out} => generate::generate_key(out), - Args::Encrypt {yaml, out, certificate} => {} + Args::Certificate {out, info} => { + if info { certificate::info(out) } + else { certificate::generate_key(out) } + } + _ => unimplemented![] } } diff --git a/coffer-server/Cargo.toml b/coffer-server/Cargo.toml index cc36e39..1c422de 100644 --- a/coffer-server/Cargo.toml +++ b/coffer-server/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "coffer-server" -version = "0.2.0" +version = "0.4.0" authors = ["Armin Friedl "] edition = "2018" diff --git a/coffer-server/src/coffer_map.rs b/coffer-server/src/coffer_map.rs index cd07a28..cc0c444 100644 --- a/coffer-server/src/coffer_map.rs +++ b/coffer-server/src/coffer_map.rs @@ -1,47 +1,89 @@ -//! A simple, thread-safe coffer implementation backed by a hash map +//! Thread-safe coffer implementation backed by hash map #[allow(unused_imports)] use log::{debug, error, info, trace, warn}; use std::sync::RwLock; +use std::sync::RwLockReadGuard; +use std::sync::RwLockWriteGuard; + use std::collections::HashMap; use coffer_common::coffer::*; -pub struct CofferMap { - coffer: RwLock> -} +type ShardedCoffer = HashMap>; +pub struct CofferMap(RwLock); impl CofferMap { pub fn new() -> CofferMap { - CofferMap { - coffer: RwLock::new(HashMap::new()) - } + CofferMap(RwLock::new(HashMap::new())) + } + + fn read(&self) -> RwLockReadGuard<'_, ShardedCoffer> { + self.0.read().unwrap() + } + + fn write(&self) -> RwLockWriteGuard<'_, ShardedCoffer> { + self.0.write().unwrap() } } impl Coffer for CofferMap { - fn put(&mut self, path: CofferPath, value: CofferValue) -> CofferResult<()> { - let mut lock = self.coffer.write().unwrap(); + fn put(&mut self, key: CofferKey, value: CofferValue) -> CofferResult<()> { + let mut lock = self.write(); - match (*lock).contains_key(&path) { - true => Err(CofferError::Msg("test")), - false => {(*lock).insert(path, value); Ok(())} + match lock.get_mut(&key.shard) { + Some(shard) => { + if shard.contains_key(&key.key) { Err(CofferError::Msg("Key exists")) } + else { shard.insert(key.key, value); Ok(()) } + } + None => { + lock.insert(key.shard.clone(), HashMap::new()); + lock.get_mut(&key.shard).unwrap().insert(key.key, value); + Ok(()) + } } } - fn push(&mut self, path: CofferPath, value: CofferValue) { - let mut lock = self.coffer.write().unwrap(); + fn push(&mut self, key: CofferKey, value: CofferValue) { + let mut lock = self.write(); - (*lock).insert(path, value); + match lock.get_mut(&key.shard) { + Some(shard) => { + shard.insert(key.key, value); + } + None => { + lock.insert(key.shard.clone(), HashMap::new()); + lock.get_mut(&key.shard).unwrap().insert(key.key, value); + } + } } - fn get(&self, path: CofferPath) -> CofferResult { - let lock = self.coffer.read().unwrap(); + fn get(&self, key: &CofferKey) -> CofferResult { + let lock = self.read(); - (*lock).get(&path) - .and_then(|v| Some(v.clone())) - .ok_or(CofferError::Msg("Key not found")) + let res = lock.get(&key.shard) + .and_then( |shard| { shard.get(&key.key) } ) + .ok_or(CofferError::Msg("Key not found"))?; + + Ok(res.clone()) + } + + fn get_shard(&self, shard: T) -> CofferResult + where T: AsRef + { + let lock = self.read(); + + let coffer_shard = lock.get(shard.as_ref()) + .ok_or(CofferError::Msg("Shard {} not found"))?; + + let mut res = CofferShard(Vec::new()); + + for (k,v) in coffer_shard { + res.0.push((k.clone(), v.clone())); + } + + Ok(res) } } diff --git a/coffer-server/src/main.rs b/coffer-server/src/main.rs index 9a80847..0da28e2 100644 --- a/coffer-server/src/main.rs +++ b/coffer-server/src/main.rs @@ -4,29 +4,31 @@ use log::{debug, error, info, trace, warn}; use env_logger; use std::path::PathBuf; +use std::fs::File; +use std::io::{Read}; use structopt::StructOpt; use std::net::SocketAddr; -use coffer_common::certificate::Certificate; use coffer_common::keyring::Keyring; +use coffer_common::coffer::Coffer; mod server; mod coffer_map; mod protocol; -use server::ServerBuilder; +use server::Server; use coffer_map::CofferMap; #[derive(StructOpt, Debug)] struct Args { /// Path to the server certificate. Will be deleted after processing. #[structopt(short, long, parse(from_os_str), env = "COFFER_SERVER_CERTIFICATE", hide_env_values = true)] - certificate: Option, + certificate: PathBuf, /// Path to secrets file. Will be deleted after processing. /// Must be sealed by the public key of the server certificate #[structopt(short, long, parse(from_os_str), env = "COFFER_SERVER_SECRETS", hide_env_values = true)] - secrets: Option, + secrets: PathBuf, /// Address, the coffer server should bind to #[structopt(short, long, parse(try_from_str), env = "COFFER_SERVER_ADDRESS", default_value = "127.0.0.1:9187")] @@ -40,12 +42,16 @@ async fn main() { _print_banner(); - let server = ServerBuilder::new() - .with_keyring(args.certificate.and_then(|cert_path| Some(Keyring::new(Certificate::from(cert_path))))) - .with_coffer(Some(CofferMap::new())) - .build() - .expect("Couldn't build server"); + let keyring = Keyring::new_from_path(&args.certificate); + // decrypt secrets file and put into coffer + let mut secrets_file = File::open(&args.secrets).unwrap(); + let mut secrets_buf = Vec::new(); + secrets_file.read_to_end(&mut secrets_buf).unwrap(); + let secrets_buf_clear = String::from_utf8(keyring.open(&secrets_buf).unwrap()).unwrap(); + let coffer = CofferMap::from_toml(&secrets_buf_clear); + + let server = Server::new(keyring, coffer); server.run(args.address).await; } diff --git a/coffer-server/src/protocol.rs b/coffer-server/src/protocol.rs index 7134724..81d8fd2 100644 --- a/coffer-server/src/protocol.rs +++ b/coffer-server/src/protocol.rs @@ -9,15 +9,12 @@ use tokio::io::{AsyncRead, AsyncReadExt, AsyncWriteExt}; use tokio::net::TcpStream; -use tokio::sync::RwLock; use serde_cbor; use quick_error::quick_error; -use coffer_common::coffer::{CofferValue, - CofferPath, - Coffer}; +use coffer_common::coffer::Coffer; use coffer_common::keyring::Keyring; use hex; @@ -38,25 +35,23 @@ quick_error! { enum State { Start, Link, - Error, + Bye, End } #[derive(Debug)] enum Request { Hello(Vec), - Put(Vec), - Get(Vec), - Bye, - Error + Get, + Bye } pub struct Protocol where C: Coffer { stream: TcpStream, - coffer: Arc>, - keyring: Arc>, + coffer: Arc, + keyring: Arc, client: Option>, state: State } @@ -64,11 +59,7 @@ where C: Coffer impl Protocol where C: Coffer { - pub fn new( - stream: TcpStream, - coffer: Arc>, - keyring: Arc> - ) -> Protocol + pub fn new(stream: TcpStream, coffer: Arc, keyring: Arc) -> Protocol { let state = State::Start; let client = None; @@ -104,11 +95,9 @@ where C: Coffer match msg_type { 0x00 => Request::Hello(message), - 0x02 => Request::Put(message), - 0x03 => Request::Get(message), - 0x63 => Request::Bye, - 0xff => Request::Error, - _ => Request::Error + 0x02 => Request::Get, + 0x99 => Request::Bye, + _ => panic!{"Invalid message type {}", msg_type} } } @@ -171,30 +160,19 @@ where C: Coffer match (&self.state, event) { (State::Start, Request::Hello(pk)) => { debug!{"Reading public key"} - self.keyring.write().await - .add_known_key(&pk) - .unwrap(); self.client = Some(pk); self.state = State::Link; } - (State::Link, Request::Get(req)) => { + (State::Link, Request::Get) => { debug!{"Writing response"} - let mut req: CofferPath = - serde_cbor::from_slice( - &self.keyring.read().await - .open(&req) - .unwrap() - ).unwrap(); + let shard_id = hex::encode(self.client.as_ref().unwrap()); - req.0.insert(0, hex::encode(self.client.as_ref().unwrap())); - - let res = self.coffer.read().await - .get(req) + let res = self.coffer + .get_shard(shard_id) .unwrap(); - let response = self.keyring.read().await - .seal( + let response = self.keyring.seal( &self.client.as_ref().unwrap(), &serde_cbor::to_vec(&res).unwrap() ).unwrap(); @@ -205,35 +183,11 @@ where C: Coffer // TODO Proper result handling self.stream.write_all(&frame).await.unwrap(); - self.state = State::Link; + self.state = State::Bye; } - (State::Link, Request::Put(put)) => { - debug!{"Putting secrets"} - let mut put: Vec<(CofferPath, CofferValue)> = - serde_cbor::from_slice( - &self.keyring.read().await - .open(&put) - .unwrap() - ).unwrap(); - - let key_string = hex::encode(self.client.as_ref().unwrap()); - - put.iter_mut().map( |(cp, _cv)| &mut cp.0) - .for_each(|cp| cp.insert(0, key_string.clone())); - - for (coffer_path, coffer_value) in put { - self.coffer.write().await - .put(coffer_path, coffer_value) - .unwrap(); - } - - self.state = State::Link; - } - - (_, Request::Bye) => self.state = State::End, - - (_, Request::Error) => self.state = State::End, + (State::Link, Request::Bye) => self.state = State::End, + (State::Bye, Request::Bye) => self.state = State::End, _ => self.state = State::End } diff --git a/coffer-server/src/server.rs b/coffer-server/src/server.rs index 40ce3cf..3139bcb 100644 --- a/coffer-server/src/server.rs +++ b/coffer-server/src/server.rs @@ -5,14 +5,13 @@ use quick_error::quick_error; use tokio::net::{TcpListener}; use tokio::stream::StreamExt; -use tokio::sync::RwLock; use std::net::{ToSocketAddrs, SocketAddr}; use std::sync::Arc; use coffer_common::keyring::Keyring; use coffer_common::coffer::Coffer; -use coffer_common::certificate::{Certificate, CertificateError}; +use coffer_common::certificate::CertificateError; use crate::protocol::Protocol; @@ -35,13 +34,19 @@ quick_error! { pub struct Server where C: Coffer { - keyring: Arc>, - coffer: Arc> + keyring: Arc, + coffer: Arc } -impl Server +impl Server where C: Coffer + Send + Sync + 'static { + + pub fn new(keyring: Keyring, coffer: C) -> Self { + Server { keyring: Arc::new(keyring), + coffer: Arc::new(coffer) } + } + pub async fn run(self, addr: T) where T: ToSocketAddrs { @@ -70,6 +75,7 @@ where C: Coffer + Send + Sync + 'static let coffer = self.coffer.clone(); let protocol = Protocol::new(tcp_stream, coffer, keyring); + tokio::spawn(async move { protocol.run().await; }); @@ -84,43 +90,3 @@ where C: Coffer + Send + Sync + 'static server.await } } - -pub struct ServerBuilder -where C: Coffer -{ - keyring: Option, - coffer: Option -} - -impl <'a, C> ServerBuilder -where C: Coffer + Default -{ - pub fn new() -> ServerBuilder { - ServerBuilder { - keyring: None, - coffer: None - } - } - - pub fn with_keyring(mut self, keyring: Option) -> ServerBuilder { - self.keyring = keyring; - self - } - - pub fn with_coffer(mut self, coffer: Option) -> ServerBuilder { - self.coffer = coffer; - self - } - - pub fn build(self) -> Result, ServerError> { - let keyring = match self.keyring { - Some(k) => Arc::new(RwLock::new(k)), - None => {let cert = Certificate::new()?; - Arc::new(RwLock::new(Keyring::new(cert)))} - }; - - let coffer = Arc::new(RwLock::new(self.coffer.unwrap_or_else(|| { C::default() } ))); - - Ok(Server {keyring, coffer}) - } -}