add opt-in sentry logging, improve main function

Signed-off-by: strawberry <strawberry@puppygock.gay>
This commit is contained in:
strawberry 2024-03-29 18:21:17 -04:00 committed by June
parent 93b03fe338
commit 87a7c8d9e8
5 changed files with 544 additions and 205 deletions

312
Cargo.lock generated
View file

@ -461,6 +461,7 @@ dependencies = [
"rusqlite",
"rust-rocksdb",
"sd-notify",
"sentry",
"serde",
"serde_html_form",
"serde_json",
@ -593,6 +594,16 @@ version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
[[package]]
name = "debugid"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
dependencies = [
"serde",
"uuid",
]
[[package]]
name = "der"
version = "0.7.8"
@ -684,6 +695,16 @@ version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
[[package]]
name = "errno"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
dependencies = [
"libc",
"windows-sys 0.52.0",
]
[[package]]
name = "fallible-iterator"
version = "0.3.0"
@ -696,6 +717,12 @@ version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
[[package]]
name = "fastrand"
version = "2.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "658bd65b1cf4c852a3cc96f18a8ce7b5640f6b703f905c7d74532294c2a63984"
[[package]]
name = "fdeflate"
version = "0.3.4"
@ -725,6 +752,18 @@ dependencies = [
"version_check",
]
[[package]]
name = "findshlibs"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40b9e59cd0f7e0806cca4be089683ecb6434e602038df21fe6bf6711b2f07f64"
dependencies = [
"cc",
"lazy_static",
"libc",
"winapi",
]
[[package]]
name = "flate2"
version = "1.0.28"
@ -741,6 +780,21 @@ version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
[[package]]
name = "foreign-types"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
dependencies = [
"foreign-types-shared",
]
[[package]]
name = "foreign-types-shared"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
[[package]]
name = "form_urlencoded"
version = "1.2.1"
@ -822,9 +876,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
dependencies = [
"futures-core",
"futures-io",
"futures-macro",
"futures-sink",
"futures-task",
"memchr",
"pin-project-lite",
"pin-utils",
"slab",
@ -1118,6 +1174,19 @@ dependencies = [
"tokio-rustls",
]
[[package]]
name = "hyper-tls"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
dependencies = [
"bytes",
"hyper",
"native-tls",
"tokio",
"tokio-native-tls",
]
[[package]]
name = "hyperlocal"
version = "0.8.0"
@ -1381,6 +1450,12 @@ version = "0.5.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
[[package]]
name = "linux-raw-sys"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c"
[[package]]
name = "lock_api"
version = "0.4.11"
@ -1514,6 +1589,24 @@ dependencies = [
"windows-sys 0.48.0",
]
[[package]]
name = "native-tls"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
dependencies = [
"lazy_static",
"libc",
"log",
"openssl",
"openssl-probe",
"openssl-sys",
"schannel",
"security-framework",
"security-framework-sys",
"tempfile",
]
[[package]]
name = "new_debug_unreachable"
version = "1.0.6"
@ -1658,12 +1751,50 @@ version = "1.19.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
[[package]]
name = "openssl"
version = "0.10.64"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "95a0481286a310808298130d22dd1fef0fa571e05a8f44ec801801e84b216b1f"
dependencies = [
"bitflags 2.5.0",
"cfg-if",
"foreign-types",
"libc",
"once_cell",
"openssl-macros",
"openssl-sys",
]
[[package]]
name = "openssl-macros"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.55",
]
[[package]]
name = "openssl-probe"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
[[package]]
name = "openssl-sys"
version = "0.9.102"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c597637d56fbc83893a35eb0dd04b2b8e7a50c91e64e9493e398b5df4fb45fa2"
dependencies = [
"cc",
"libc",
"pkg-config",
"vcpkg",
]
[[package]]
name = "opentelemetry"
version = "0.21.0"
@ -1745,6 +1876,17 @@ dependencies = [
"num-traits",
]
[[package]]
name = "os_info"
version = "3.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae99c7fa6dd38c7cafe1ec085e804f8f555a2f8659b0dbe03f1f9963a9b51092"
dependencies = [
"log",
"serde",
"windows-sys 0.52.0",
]
[[package]]
name = "overload"
version = "0.1.1"
@ -2100,10 +2242,12 @@ dependencies = [
"http-body",
"hyper",
"hyper-rustls",
"hyper-tls",
"ipnet",
"js-sys",
"log",
"mime",
"native-tls",
"once_cell",
"percent-encoding",
"pin-project-lite",
@ -2116,6 +2260,7 @@ dependencies = [
"sync_wrapper",
"system-configuration",
"tokio",
"tokio-native-tls",
"tokio-rustls",
"tokio-socks",
"tower-service",
@ -2401,6 +2546,19 @@ dependencies = [
"semver",
]
[[package]]
name = "rustix"
version = "0.38.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65e04861e65f21776e67888bfbea442b3642beaa0138fdb1dd7a84a52dffdb89"
dependencies = [
"bitflags 2.5.0",
"errno",
"libc",
"linux-raw-sys",
"windows-sys 0.52.0",
]
[[package]]
name = "rustls"
version = "0.21.10"
@ -2516,6 +2674,114 @@ version = "1.0.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
[[package]]
name = "sentry"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "766448f12e44d68e675d5789a261515c46ac6ccd240abdd451a9c46c84a49523"
dependencies = [
"httpdate",
"native-tls",
"reqwest",
"sentry-backtrace",
"sentry-contexts",
"sentry-core",
"sentry-debug-images",
"sentry-panic",
"sentry-tracing",
"tokio",
"ureq",
]
[[package]]
name = "sentry-backtrace"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32701cad8b3c78101e1cd33039303154791b0ff22e7802ed8cc23212ef478b45"
dependencies = [
"backtrace",
"once_cell",
"regex",
"sentry-core",
]
[[package]]
name = "sentry-contexts"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "17ddd2a91a13805bd8dab4ebf47323426f758c35f7bf24eacc1aded9668f3824"
dependencies = [
"hostname",
"libc",
"os_info",
"rustc_version",
"sentry-core",
"uname",
]
[[package]]
name = "sentry-core"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1189f68d7e7e102ef7171adf75f83a59607fafd1a5eecc9dc06c026ff3bdec4"
dependencies = [
"once_cell",
"rand",
"sentry-types",
"serde",
"serde_json",
]
[[package]]
name = "sentry-debug-images"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b4d0a615e5eeca5699030620c119a094e04c14cf6b486ea1030460a544111a7"
dependencies = [
"findshlibs",
"once_cell",
"sentry-core",
]
[[package]]
name = "sentry-panic"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d1c18d0b5fba195a4950f2f4c31023725c76f00aabb5840b7950479ece21b5ca"
dependencies = [
"sentry-backtrace",
"sentry-core",
]
[[package]]
name = "sentry-tracing"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3012699a9957d7f97047fd75d116e22d120668327db6e7c59824582e16e791b2"
dependencies = [
"sentry-backtrace",
"sentry-core",
"tracing-core",
"tracing-subscriber",
]
[[package]]
name = "sentry-types"
version = "0.32.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c7173fd594569091f68a7c37a886e202f4d0c1db1e1fa1d18a051ba695b2e2ec"
dependencies = [
"debugid",
"hex",
"rand",
"serde",
"serde_json",
"thiserror",
"time",
"url",
"uuid",
]
[[package]]
name = "serde"
version = "1.0.197"
@ -2835,6 +3101,18 @@ dependencies = [
"libc",
]
[[package]]
name = "tempfile"
version = "3.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85b77fafb263dd9d05cbeac119526425676db3784113aa9295c88498cbf8bff1"
dependencies = [
"cfg-if",
"fastrand",
"rustix",
"windows-sys 0.52.0",
]
[[package]]
name = "tendril"
version = "0.4.3"
@ -3004,6 +3282,16 @@ dependencies = [
"syn 2.0.55",
]
[[package]]
name = "tokio-native-tls"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
dependencies = [
"native-tls",
"tokio",
]
[[package]]
name = "tokio-rustls"
version = "0.24.1"
@ -3253,6 +3541,15 @@ version = "1.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e36a83ea2b3c704935a01b4642946aadd445cea40b10935e3f8bd8052b8193d6"
[[package]]
name = "uname"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b72f89f0ca32e4db1c04e2a72f5345d59796d4866a1ee0609084569f73683dc8"
dependencies = [
"libc",
]
[[package]]
name = "uncased"
version = "0.9.10"
@ -3295,6 +3592,19 @@ version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
[[package]]
name = "ureq"
version = "2.9.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "11f214ce18d8b2cbe84ed3aa6486ed3f5b285cf8d8fbdbce9f3f767a724adc35"
dependencies = [
"base64 0.21.7",
"log",
"native-tls",
"once_cell",
"url",
]
[[package]]
name = "url"
version = "2.5.0"
@ -3304,6 +3614,7 @@ dependencies = [
"form_urlencoded",
"idna 0.5.0",
"percent-encoding",
"serde",
]
[[package]]
@ -3325,6 +3636,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a183cf7feeba97b4dd1c0d46788634f6221d87fa961b305bed08c851829efcc0"
dependencies = [
"getrandom",
"serde",
]
[[package]]

View file

@ -169,6 +169,11 @@ version = "0.20.0"
optional = true
features = ["rt-tokio"]
# optional sentry metrics for crash/panic reporting
[dependencies.sentry]
version = "0.32.2"
optional = true
# optional jemalloc usage
[dependencies.tikv-jemallocator]
version = "0.5.4"
@ -282,7 +287,7 @@ hyperlocal = { git = "https://github.com/softprops/hyperlocal", rev = "2ee4d1496
[features]
default = ["conduit_bin", "backend_rocksdb", "systemd", "element_hacks"]
default = ["conduit_bin", "backend_rocksdb", "systemd", "element_hacks", "sentry"]
conduit_bin = ["axum"]
backend_sqlite = ["sqlite"]
backend_rocksdb = ["rocksdb"]

View file

@ -32,6 +32,16 @@
# Defaults to `matrix.org`
# trusted_servers = ["matrix.org"]
# Sentry.io crash/panic reporting, performance monitoring/metrics, etc.
#
# Defaults to false
#sentry = false
# Report your Conduwuit server_name in Sentry.io crash reports and metrics
#
# Defaults to false
#sentry_send_server_name = false
### Database configuration

View file

@ -232,6 +232,11 @@ pub struct Config {
#[serde(default)]
pub block_non_admin_invites: bool,
#[serde(default)]
pub sentry: bool,
#[serde(default)]
pub sentry_send_server_name: bool,
#[serde(flatten)]
#[allow(clippy::zero_sized_map_values)] // this is a catchall, the map shouldn't be zero at runtime
pub catchall: BTreeMap<String, IgnoredAny>,

View file

@ -55,30 +55,17 @@ use tracing_subscriber::{prelude::*, EnvFilter};
#[global_allocator]
static GLOBAL: Jemalloc = Jemalloc;
#[tokio::main]
async fn main() {
fn main() {
let args = clap::parse();
// Initialize config
let raw_config = if Env::var("CONDUIT_CONFIG").is_some() {
let raw_config = if let Some(config_file_env) = Env::var("CONDUIT_CONFIG") {
Figment::new()
.merge(
Toml::file(Env::var("CONDUIT_CONFIG").expect(
"The CONDUIT_CONFIG environment variable was set but appears to be invalid. This should be set to \
the path to a valid TOML file, an empty string (for compatibility), or removed/unset entirely.",
))
.nested(),
)
.merge(Toml::file(config_file_env).nested())
.merge(Env::prefixed("CONDUIT_").global())
} else if args.config.is_some() {
} else if let Some(config_file_arg) = args.config {
Figment::new()
.merge(
Toml::file(args.config.expect(
"conduwuit config commandline argument was specified, but appears to be invalid. This should be \
set to the path of a valid TOML file.",
))
.nested(),
)
.merge(Toml::file(config_file_arg).nested())
.merge(Env::prefixed("CONDUIT_").global())
} else {
Figment::new().merge(Env::prefixed("CONDUIT_").global())
@ -92,13 +79,18 @@ async fn main() {
},
};
// don't start if we're listening on both UNIX sockets and TCP at same time
if config.is_dual_listening(&raw_config) {
return;
};
if config.allow_jaeger {
#[cfg(feature = "perf_measurements")]
{
opentelemetry::global::set_text_map_propagator(opentelemetry_jaeger::Propagator::new());
let tracer = opentelemetry_jaeger::new_agent_pipeline()
.with_auto_split_batch(true)
.with_service_name("conduit")
.with_service_name("conduwuit")
.install_batch(opentelemetry_sdk::runtime::Tokio)
.unwrap();
let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
@ -143,6 +135,29 @@ async fn main() {
tracing::subscriber::set_global_default(subscriber).unwrap();
}
#[cfg(feature = "sentry")]
if config.sentry {
info!("Sentry.io crash reporting and telemetry is enabled, initialising guard");
let _guard = sentry::init((
"https://fe2eb4536aa04949e28eff3128d64757@o4506996327251968.ingest.us.sentry.io/4506996334657536",
sentry::ClientOptions {
release: sentry::release_name!(),
server_name: if config.sentry_send_server_name {
Some(config.server_name.to_string().into())
} else {
None
},
..Default::default()
},
));
}
if let Err(e) = check_config(&config) {
error!("Config check failed: {e}");
return;
}
// This is needed for opening lots of file descriptors, which tends to
// happen more often when using RocksDB and making lots of federation
// connections at startup. The soft limit is usually 1024, and the hard
@ -153,192 +168,23 @@ async fn main() {
#[cfg(unix)]
maximize_fd_limit().expect("Unable to increase maximum soft and hard file descriptor limit");
config.warn_deprecated();
config.warn_unknown_key();
tokio::runtime::Builder::new_multi_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
info!("Loading database");
let db_load_time = std::time::Instant::now();
if let Err(error) = KeyValueDatabase::load_or_create(config).await {
error!(?error, "The database couldn't be loaded or created");
return;
};
info!("Database took {:?} to load, now starting server", db_load_time.elapsed());
// don't start if we're listening on both UNIX sockets and TCP at same time
if config.is_dual_listening(&raw_config) {
return;
};
info!("Loading database");
let db_load_time = std::time::Instant::now();
if let Err(error) = KeyValueDatabase::load_or_create(config).await {
error!(?error, "The database couldn't be loaded or created");
return;
};
info!("Database took {:?} to load", db_load_time.elapsed());
let config = &services().globals.config;
/* ad-hoc config validation/checks */
if config.unix_socket_path.is_some() && !cfg!(unix) {
error!(
"UNIX socket support is only available on *nix platforms. Please remove \"unix_socket_path\" from your \
config."
);
return;
}
if config.address.is_loopback() && cfg!(unix) {
debug!(
"Found loopback listening address {}, running checks if we're in a container.",
config.address
);
#[cfg(unix)]
if Path::new("/proc/vz").exists() /* Guest */ && !Path::new("/proc/bz").exists()
/* Host */
{
error!(
"You are detected using OpenVZ with a loopback/localhost listening address of {}. If you are using \
OpenVZ for containers and you use NAT-based networking to communicate with the host and guest, this \
will NOT work. Please change this to \"0.0.0.0\". If this is expected, you can ignore.",
config.address
);
}
#[cfg(unix)]
if Path::new("/.dockerenv").exists() {
error!(
"You are detected using Docker with a loopback/localhost listening address of {}. If you are using a \
reverse proxy on the host and require communication to conduwuit in the Docker container via \
NAT-based networking, this will NOT work. Please change this to \"0.0.0.0\". If this is expected, \
you can ignore.",
config.address
);
}
#[cfg(unix)]
if Path::new("/run/.containerenv").exists() {
error!(
"You are detected using Podman with a loopback/localhost listening address of {}. If you are using a \
reverse proxy on the host and require communication to conduwuit in the Podman container via \
NAT-based networking, this will NOT work. Please change this to \"0.0.0.0\". If this is expected, \
you can ignore.",
config.address
);
}
}
// rocksdb does not allow max_log_files to be 0
if config.rocksdb_max_log_files == 0 && cfg!(feature = "rocksdb") {
error!("When using RocksDB, rocksdb_max_log_files cannot be 0. Please set a value at least 1.");
return;
}
// yeah, unless the user built a debug build hopefully for local testing only
if config.server_name == "your.server.name" && !cfg!(debug_assertions) {
error!("You must specify a valid server name for production usage of conduwuit.");
return;
}
if cfg!(debug_assertions) {
info!("Note: conduwuit was built without optimisations (i.e. debug build)");
}
// check if the user specified a registration token as `""`
if config.registration_token == Some(String::new()) {
error!("Registration token was specified but is empty (\"\")");
return;
}
if config.max_request_size < 4096 {
error!(?config.max_request_size, "Max request size is less than 4KB. Please increase it.");
}
// check if user specified valid IP CIDR ranges on startup
for cidr in services().globals.ip_range_denylist() {
_ = ipaddress::IPAddress::parse(cidr).map_err(|e| error!("Error parsing specified IP CIDR range: {e}"));
}
if config.allow_registration
&& !config.yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse
&& config.registration_token.is_none()
{
error!(
"!! You have `allow_registration` enabled without a token configured in your config which means you are \
allowing ANYONE to register on your conduwuit instance without any 2nd-step (e.g. registration token).\n
If this is not the intended behaviour, please set a registration token with the `registration_token` config \
option.\n
For security and safety reasons, conduwuit will shut down. If you are extra sure this is the desired behaviour \
you want, please set the following config option to true:
`yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse`"
);
return;
}
if config.allow_registration
&& config.yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse
&& config.registration_token.is_none()
{
warn!(
"Open registration is enabled via setting \
`yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse` and `allow_registration` to \
true without a registration token configured. You are expected to be aware of the risks now.\n
If this is not the desired behaviour, please set a registration token."
);
}
if config.allow_outgoing_presence && !config.allow_local_presence {
error!("Outgoing presence requires allowing local presence. Please enable \"allow_local_presence\".");
return;
}
if config.allow_outgoing_presence {
warn!(
"! Outgoing federated presence is not spec compliant due to relying on PDUs and EDUs combined.\nOutgoing \
presence will not be very reliable due to this and any issues with federated outgoing presence are very \
likely attributed to this issue.\nIncoming presence and local presence are unaffected."
);
}
if config
.url_preview_domain_contains_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_domain_contains_allowlist\" to \"*\". \
This opens up significant attack surface to your server. You are expected to be aware of the risks by \
doing this."
);
}
if config
.url_preview_domain_explicit_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_domain_explicit_allowlist\" to \"*\". \
This opens up significant attack surface to your server. You are expected to be aware of the risks by \
doing this."
);
}
if config
.url_preview_url_contains_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_url_contains_allowlist\" to \"*\". This \
opens up significant attack surface to your server. You are expected to be aware of the risks by doing \
this."
);
}
/* end ad-hoc config validation/checks */
info!("Starting server");
if let Err(e) = run_server().await {
error!("Critical error starting server: {}", e);
};
// if server runs into critical error and shuts down, shut down the tracer
// provider if jaegar is used. awaiting run_server() is a blocking call so
// putting this after is fine, but not the other options above.
#[cfg(feature = "perf_measurements")]
if config.allow_jaeger {
opentelemetry::global::shutdown_tracer_provider();
}
if let Err(e) = run_server().await {
error!("Critical error starting server: {e}");
};
});
}
async fn run_server() -> io::Result<()> {
@ -962,6 +808,167 @@ fn maximize_fd_limit() -> Result<(), nix::errno::Errno> {
Ok(())
}
fn check_config(config: &Config) -> Result<()> {
config.warn_deprecated();
config.warn_unknown_key();
if config.unix_socket_path.is_some() && !cfg!(unix) {
return Err(Error::bad_config(
"UNIX socket support is only available on *nix platforms. Please remove \"unix_socket_path\" from your \
config.",
));
}
if config.address.is_loopback() && cfg!(unix) {
debug!(
"Found loopback listening address {}, running checks if we're in a container.",
config.address
);
#[cfg(unix)]
if Path::new("/proc/vz").exists() /* Guest */ && !Path::new("/proc/bz").exists()
/* Host */
{
error!(
"You are detected using OpenVZ with a loopback/localhost listening address of {}. If you are using \
OpenVZ for containers and you use NAT-based networking to communicate with the host and guest, this \
will NOT work. Please change this to \"0.0.0.0\". If this is expected, you can ignore.",
config.address
);
}
#[cfg(unix)]
if Path::new("/.dockerenv").exists() {
error!(
"You are detected using Docker with a loopback/localhost listening address of {}. If you are using a \
reverse proxy on the host and require communication to conduwuit in the Docker container via \
NAT-based networking, this will NOT work. Please change this to \"0.0.0.0\". If this is expected, \
you can ignore.",
config.address
);
}
#[cfg(unix)]
if Path::new("/run/.containerenv").exists() {
error!(
"You are detected using Podman with a loopback/localhost listening address of {}. If you are using a \
reverse proxy on the host and require communication to conduwuit in the Podman container via \
NAT-based networking, this will NOT work. Please change this to \"0.0.0.0\". If this is expected, \
you can ignore.",
config.address
);
}
}
// rocksdb does not allow max_log_files to be 0
if config.rocksdb_max_log_files == 0 && cfg!(feature = "rocksdb") {
return Err(Error::bad_config(
"When using RocksDB, rocksdb_max_log_files cannot be 0. Please set a value at least 1.",
));
}
// yeah, unless the user built a debug build hopefully for local testing only
if config.server_name == "your.server.name" && !cfg!(debug_assertions) {
return Err(Error::bad_config(
"You must specify a valid server name for production usage of conduwuit.",
));
}
if cfg!(debug_assertions) {
info!("Note: conduwuit was built without optimisations (i.e. debug build)");
}
// check if the user specified a registration token as `""`
if config.registration_token == Some(String::new()) {
return Err(Error::bad_config("Registration token was specified but is empty (\"\")"));
}
if config.max_request_size < 16384 {
return Err(Error::bad_config("Max request size is less than 16KB. Please increase it."));
}
// check if user specified valid IP CIDR ranges on startup
for cidr in &config.ip_range_denylist {
if let Err(e) = ipaddress::IPAddress::parse(cidr) {
error!("Error parsing specified IP CIDR range from string: {e}");
return Err(Error::bad_config("Error parsing specified IP CIDR ranges from strings"));
}
}
if config.allow_registration
&& !config.yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse
&& config.registration_token.is_none()
{
return Err(Error::bad_config(
"!! You have `allow_registration` enabled without a token configured in your config which means you are \
allowing ANYONE to register on your conduwuit instance without any 2nd-step (e.g. registration token).\n
If this is not the intended behaviour, please set a registration token with the `registration_token` config option.\n
For security and safety reasons, conduwuit will shut down. If you are extra sure this is the desired behaviour you \
want, please set the following config option to true:
`yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse`",
));
}
if config.allow_registration
&& config.yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse
&& config.registration_token.is_none()
{
warn!(
"Open registration is enabled via setting \
`yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse` and `allow_registration` to \
true without a registration token configured. You are expected to be aware of the risks now.\n
If this is not the desired behaviour, please set a registration token."
);
}
if config.allow_outgoing_presence && !config.allow_local_presence {
return Err(Error::bad_config(
"Outgoing presence requires allowing local presence. Please enable \"allow_local_presence\".",
));
}
if config.allow_outgoing_presence {
warn!(
"! Outgoing federated presence is not spec compliant due to relying on PDUs and EDUs combined.\nOutgoing \
presence will not be very reliable due to this and any issues with federated outgoing presence are very \
likely attributed to this issue.\nIncoming presence and local presence are unaffected."
);
}
if config
.url_preview_domain_contains_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_domain_contains_allowlist\" to \"*\". \
This opens up significant attack surface to your server. You are expected to be aware of the risks by \
doing this."
);
}
if config
.url_preview_domain_explicit_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_domain_explicit_allowlist\" to \"*\". \
This opens up significant attack surface to your server. You are expected to be aware of the risks by \
doing this."
);
}
if config
.url_preview_url_contains_allowlist
.contains(&"*".to_owned())
{
warn!(
"All URLs are allowed for URL previews via setting \"url_preview_url_contains_allowlist\" to \"*\". This \
opens up significant attack surface to your server. You are expected to be aware of the risks by doing \
this."
);
}
Ok(())
}
#[cfg(test)]
mod test {
use super::*;