1 Commits
0.2.2 ... 0.2.1

Author SHA1 Message Date
9239e5f550 bump deps
All checks were successful
continuous-integration/drone/tag Build is passing
2020-04-02 16:19:14 +02:00
3 changed files with 43 additions and 64 deletions

26
Cargo.lock generated
View File

@@ -292,6 +292,19 @@ dependencies = [
"synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)", "synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "fido2_pam"
version = "0.1.0"
dependencies = [
"ctap_hmac 0.3.0 (git+https://git.shimun.net/shimun/ctap?rev=1a8e83d81efa3ae2cd4d764ddbae72c95a5af3e1)",
"ctrlc 3.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"pamsm 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"structopt 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]] [[package]]
name = "fnv" name = "fnv"
version = "1.0.6" version = "1.0.6"
@@ -401,19 +414,6 @@ dependencies = [
"autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)", "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "pam_fido2"
version = "0.2.2"
dependencies = [
"ctap_hmac 0.3.0 (git+https://git.shimun.net/shimun/ctap?rev=1a8e83d81efa3ae2cd4d764ddbae72c95a5af3e1)",
"ctrlc 3.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"pamsm 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"structopt 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]] [[package]]
name = "pamsm" name = "pamsm"
version = "0.2.0" version = "0.2.0"

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@@ -1,6 +1,6 @@
[package] [package]
name = "pam_fido2" name = "fido2_pam"
version = "0.2.2" version = "0.2.1"
authors = ["shimun <shimun@shimun.net>"] authors = ["shimun <shimun@shimun.net>"]
edition = "2018" edition = "2018"
@@ -12,12 +12,12 @@ path = "src/lib.rs"
crate-type = ["cdylib"] crate-type = ["cdylib"]
[[bin]] [[bin]]
name = "pam_fido2-credential" name = "fido2-pam-credential"
path = "src/main.rs" path = "src/main.rs"
[dependencies] [dependencies]
ctap_hmac = { git = "https://git.shimun.net/shimun/ctap", rev = "1a8e83d81efa3ae2cd4d764ddbae72c95a5af3e1", features = ["assert_devices"] } ctap_hmac = { git = "https://git.shimun.net/shimun/ctap", branch = "assert_multiple", features = ["request_multiple"] }
pamsm = "0.2.0" pamsm = "0.2.0"
regex = "1.3.1" regex = "1.3.1"
rand = "0.7.2" rand = "0.7.2"

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@@ -1,14 +1,12 @@
#[macro_use] #[macro_use]
extern crate pamsm; extern crate pamsm;
extern crate ctap_hmac as ctap; extern crate ctap_hmac as ctap;
use ctap::{get_assertion_devices, FidoAssertionRequestBuilder, FidoDevice, FidoErrorKind}; use ctap::{get_assertion_devices, FidoAssertionRequestBuilder, FidoDevice};
use pamsm::{Pam, PamError, PamFlag, PamServiceModule}; use pamsm::{Pam, PamError, PamFlag, PamServiceModule};
use rand::Rng; use rand::Rng;
use regex::Regex; use regex::Regex;
use std::collections::HashMap;
use std::fs::File; use std::fs::File;
use std::io::{prelude::*, BufReader}; use std::io::{self, prelude::*, BufReader};
use std::path::Path;
use std::time::{Duration, SystemTime}; use std::time::{Duration, SystemTime};
struct PamFido2; struct PamFido2;
@@ -28,50 +26,26 @@ impl Default for Settings {
} }
impl Settings { impl Settings {
pub fn from_args(args: Vec<String>) -> Self { pub fn load() -> Settings {
let args = args
.into_iter()
.filter_map(|arg| {
let mut parts = arg.split("=");
parts
.by_ref()
.next()
.map(|key| (key.to_string(), parts.collect::<Vec<_>>().join("=")))
})
.collect::<HashMap<String, String>>();
let mut settings = Settings::load(
args.get("authfile")
.map(AsRef::as_ref)
.unwrap_or("/etc/fido2_pam.conf"),
);
let timeout = args
.get("timeout")
.map(|t| {
t.parse::<u64>()
.expect("invalid config timeout is supposed to be an int")
})
.map(Duration::from_secs);
if let Some(timeout) = timeout {
settings.device_timeout = timeout;
};
settings
}
pub fn load(path: impl AsRef<Path>) -> Settings {
let mut creds = Vec::new(); let mut creds = Vec::new();
let file = File::open(path.as_ref()).unwrap(); for path in &["./pam_fido2.conf", "/etc/pam_fido2.conf"] {
let reader = BufReader::new(file); let file = match File::open(&path) {
Ok(file) => file,
_ => continue,
};
let reader = BufReader::new(file);
for line in reader.lines() { for line in reader.lines() {
let line = line.unwrap(); let line = line.unwrap();
let mut parts = line.split(":"); let mut parts = line.split(":");
if let Some(user) = parts.by_ref().next() { if let Some(user) = parts.by_ref().next() {
creds.push(( creds.push((
(&parts.collect::<Vec<_>>()[..].join(":")).to_string(), (&parts.collect::<Vec<_>>()[..].join(":")).to_string(),
user.to_string(), user.to_string(),
)); ));
}
} }
} }
Settings { Settings {
user_credentials: creds, user_credentials: creds,
..Default::default() ..Default::default()
@@ -97,9 +71,15 @@ impl Settings {
} }
} }
impl PamFido2 {
fn settings(&self) -> Settings {
Settings::load()
}
}
impl PamServiceModule for PamFido2 { impl PamServiceModule for PamFido2 {
fn authenticate(self: &Self, pamh: Pam, _: PamFlag, args: Vec<String>) -> PamError { fn authenticate(self: &Self, pamh: Pam, _: PamFlag, _args: Vec<String>) -> PamError {
let settings = Settings::from_args(args); let settings = self.settings();
let begin = SystemTime::now(); let begin = SystemTime::now();
let challenge = rand::thread_rng().gen::<[u8; 32]>(); let challenge = rand::thread_rng().gen::<[u8; 32]>();
let credentials = settings.get_credentials( let credentials = settings.get_credentials(
@@ -131,7 +111,6 @@ impl PamServiceModule for PamFido2 {
Err(_) if begin.elapsed().unwrap() > settings.device_timeout => { Err(_) if begin.elapsed().unwrap() > settings.device_timeout => {
return PamError::AUTH_ERR return PamError::AUTH_ERR
} }
Err(e) if e.kind() == FidoErrorKind::DeviceUnsupported => continue,
Err(e) => eprintln!("{:?}", e), Err(e) => eprintln!("{:?}", e),
} }
} }