small fixes to config/secrets handling #715

Merged
lx merged 2 commits from fix-secrets-695 into main 2024-02-13 10:04:50 +00:00
3 changed files with 30 additions and 21 deletions

View file

@ -174,7 +174,9 @@ async fn main() {
} }
async fn cli_command(opt: Opt) -> Result<(), Error> { async fn cli_command(opt: Opt) -> Result<(), Error> {
let config = if opt.secrets.rpc_secret.is_none() || opt.rpc_host.is_none() { let config = if (opt.secrets.rpc_secret.is_none() && opt.secrets.rpc_secret_file.is_none())
|| opt.rpc_host.is_none()
{
Some(garage_util::config::read_config(opt.config_file.clone()) Some(garage_util::config::read_config(opt.config_file.clone())
.err_context(format!("Unable to read configuration file {}. Configuration file is needed because -h or -s is not provided on the command line.", opt.config_file.to_string_lossy()))?) .err_context(format!("Unable to read configuration file {}. Configuration file is needed because -h or -s is not provided on the command line.", opt.config_file.to_string_lossy()))?)
} else { } else {
@ -182,14 +184,19 @@ async fn cli_command(opt: Opt) -> Result<(), Error> {
}; };
// Find and parse network RPC secret // Find and parse network RPC secret
let net_key_hex_str = opt let mut rpc_secret = config.as_ref().and_then(|c| c.rpc_secret.clone());
.secrets secrets::fill_secret(
.rpc_secret &mut rpc_secret,
.as_ref() &config.as_ref().and_then(|c| c.rpc_secret_file.clone()),
.or_else(|| config.as_ref().and_then(|c| c.rpc_secret.as_ref())) &opt.secrets.rpc_secret,
.ok_or("No RPC secret provided")?; &opt.secrets.rpc_secret_file,
"rpc_secret",
true,
)?;
let net_key_hex_str = rpc_secret.ok_or("No RPC secret provided")?;
let network_key = NetworkKey::from_slice( let network_key = NetworkKey::from_slice(
&hex::decode(net_key_hex_str).err_context("Invalid RPC secret key (bad hex)")?[..], &hex::decode(&net_key_hex_str).err_context("Invalid RPC secret key (bad hex)")?[..],
) )
.ok_or("Invalid RPC secret provided (wrong length)")?; .ok_or("Invalid RPC secret provided (wrong length)")?;

View file

@ -1,3 +1,5 @@
use std::path::PathBuf;
use structopt::StructOpt; use structopt::StructOpt;
use garage_util::config::Config; use garage_util::config::Config;
@ -23,7 +25,7 @@ pub struct Secrets {
/// RPC secret network key, used to replace rpc_secret in config.toml and rpc-secret /// RPC secret network key, used to replace rpc_secret in config.toml and rpc-secret
/// when running the daemon or doing admin operations /// when running the daemon or doing admin operations
#[structopt(long = "rpc-secret-file", env = "GARAGE_RPC_SECRET_FILE")] #[structopt(long = "rpc-secret-file", env = "GARAGE_RPC_SECRET_FILE")]
pub rpc_secret_file: Option<String>, pub rpc_secret_file: Option<PathBuf>,
/// Admin API authentication token, replaces admin.admin_token in config.toml when /// Admin API authentication token, replaces admin.admin_token in config.toml when
/// running the Garage daemon /// running the Garage daemon
@ -33,7 +35,7 @@ pub struct Secrets {
/// Admin API authentication token file path, replaces admin.admin_token in config.toml /// Admin API authentication token file path, replaces admin.admin_token in config.toml
/// and admin-token when running the Garage daemon /// and admin-token when running the Garage daemon
#[structopt(long = "admin-token-file", env = "GARAGE_ADMIN_TOKEN_FILE")] #[structopt(long = "admin-token-file", env = "GARAGE_ADMIN_TOKEN_FILE")]
pub admin_token_file: Option<String>, pub admin_token_file: Option<PathBuf>,
/// Metrics API authentication token, replaces admin.metrics_token in config.toml when /// Metrics API authentication token, replaces admin.metrics_token in config.toml when
/// running the Garage daemon /// running the Garage daemon
@ -43,7 +45,7 @@ pub struct Secrets {
/// Metrics API authentication token file path, replaces admin.metrics_token in config.toml /// Metrics API authentication token file path, replaces admin.metrics_token in config.toml
/// and metrics-token when running the Garage daemon /// and metrics-token when running the Garage daemon
#[structopt(long = "metrics-token-file", env = "GARAGE_METRICS_TOKEN_FILE")] #[structopt(long = "metrics-token-file", env = "GARAGE_METRICS_TOKEN_FILE")]
pub metrics_token_file: Option<String>, pub metrics_token_file: Option<PathBuf>,
} }
/// Single function to fill all secrets in the Config struct from their correct source (value /// Single function to fill all secrets in the Config struct from their correct source (value
@ -83,11 +85,11 @@ pub fn fill_secrets(mut config: Config, secrets: Secrets) -> Result<Config, Erro
Ok(config) Ok(config)
} }
fn fill_secret( pub(crate) fn fill_secret(
config_secret: &mut Option<String>, config_secret: &mut Option<String>,
config_secret_file: &Option<String>, config_secret_file: &Option<PathBuf>,
cli_secret: &Option<String>, cli_secret: &Option<String>,
cli_secret_file: &Option<String>, cli_secret_file: &Option<PathBuf>,
name: &'static str, name: &'static str,
allow_world_readable: bool, allow_world_readable: bool,
) -> Result<(), Error> { ) -> Result<(), Error> {
@ -117,14 +119,14 @@ fn fill_secret(
Ok(()) Ok(())
} }
fn read_secret_file(file_path: &String, allow_world_readable: bool) -> Result<String, Error> { fn read_secret_file(file_path: &PathBuf, allow_world_readable: bool) -> Result<String, Error> {
if !allow_world_readable { if !allow_world_readable {
#[cfg(unix)] #[cfg(unix)]
{ {
use std::os::unix::fs::MetadataExt; use std::os::unix::fs::MetadataExt;
let metadata = std::fs::metadata(file_path)?; let metadata = std::fs::metadata(file_path)?;
if metadata.mode() & 0o077 != 0 { if metadata.mode() & 0o077 != 0 {
return Err(format!("File {} is world-readable! (mode: 0{:o}, expected 0600)\nRefusing to start until this is fixed, or environment variable GARAGE_ALLOW_WORLD_READABLE_SECRETS is set to true.", file_path, metadata.mode()).into()); return Err(format!("File {} is world-readable! (mode: 0{:o}, expected 0600)\nRefusing to start until this is fixed, or environment variable GARAGE_ALLOW_WORLD_READABLE_SECRETS is set to true.", file_path.display(), metadata.mode()).into());
} }
} }
} }
@ -260,7 +262,7 @@ mod tests {
let config = fill_secrets( let config = fill_secrets(
config, config,
Secrets { Secrets {
rpc_secret_file: Some(path_secret2.display().to_string()), rpc_secret_file: Some(path_secret2.clone()),
..Default::default() ..Default::default()
}, },
)?; )?;
@ -271,7 +273,7 @@ mod tests {
config, config,
Secrets { Secrets {
rpc_secret: Some("baz".into()), rpc_secret: Some("baz".into()),
rpc_secret_file: Some(path_secret2.display().to_string()), rpc_secret_file: Some(path_secret2.clone()),
..Default::default() ..Default::default()
} }
) )

View file

@ -52,7 +52,7 @@ pub struct Config {
/// RPC secret key: 32 bytes hex encoded /// RPC secret key: 32 bytes hex encoded
pub rpc_secret: Option<String>, pub rpc_secret: Option<String>,
/// Optional file where RPC secret key is read from /// Optional file where RPC secret key is read from
pub rpc_secret_file: Option<String>, pub rpc_secret_file: Option<PathBuf>,
/// Address to bind for RPC /// Address to bind for RPC
pub rpc_bind_addr: SocketAddr, pub rpc_bind_addr: SocketAddr,
/// Public IP address of this node /// Public IP address of this node
@ -166,12 +166,12 @@ pub struct AdminConfig {
/// Bearer token to use to scrape metrics /// Bearer token to use to scrape metrics
pub metrics_token: Option<String>, pub metrics_token: Option<String>,
/// File to read metrics token from /// File to read metrics token from
pub metrics_token_file: Option<String>, pub metrics_token_file: Option<PathBuf>,
/// Bearer token to use to access Admin API endpoints /// Bearer token to use to access Admin API endpoints
pub admin_token: Option<String>, pub admin_token: Option<String>,
/// File to read admin token from /// File to read admin token from
pub admin_token_file: Option<String>, pub admin_token_file: Option<PathBuf>,
/// OTLP server to where to export traces /// OTLP server to where to export traces
pub trace_sink: Option<String>, pub trace_sink: Option<String>,