hsclient: Use a real HsDesc instead of an unparsed string.
Signed-off-by: Gabriela Moldovan <gabi@torproject.org>
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18cb1671c4
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@ -472,6 +472,22 @@ pub enum ErrorKind {
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#[display(fmt = "Onion Service not running")]
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#[display(fmt = "Onion Service not running")]
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OnionServiceNotRunning,
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OnionServiceNotRunning,
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/// Failed to obtain a valid descriptor for the target hidden service (`.onion` service).
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///
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/// We successfully obtained a hidden service descriptor for the service, but we cannot use it
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/// because it fails to parse.
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#[cfg(feature = "experimental-api")]
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#[display(fmt = "Onion Service descriptor parsing failed")]
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OnionServiceDescriptorParsingFailed,
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/// Failed to obtain a valid descriptor for the target hidden service (`.onion` service).
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///
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/// We successfully obtained a hidden service descriptor for the service, but we cannot use it
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/// because it is invalid.
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#[cfg(feature = "experimental-api")]
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#[display(fmt = "Onion Service descriptor validation failed")]
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OnionServiceDescriptorValidationFailed,
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/// Protocol trouble involving the target hidden service (`.onion` service)
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/// Protocol trouble involving the target hidden service (`.onion` service)
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///
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///
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/// Something unexpected happened when trying to connect to the selected hidden service.
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/// Something unexpected happened when trying to connect to the selected hidden service.
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@ -11,6 +11,7 @@ use async_trait::async_trait;
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use educe::Educe;
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use educe::Educe;
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use futures::{AsyncRead, AsyncWrite};
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use futures::{AsyncRead, AsyncWrite};
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use itertools::Itertools;
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use itertools::Itertools;
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use tor_hscrypto::Subcredential;
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use tracing::{debug, trace};
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use tracing::{debug, trace};
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use retry_error::RetryError;
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use retry_error::RetryError;
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@ -19,10 +20,11 @@ use tor_checkable::{timed::TimerangeBound, Timebound};
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use tor_circmgr::hspool::{HsCircKind, HsCircPool};
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use tor_circmgr::hspool::{HsCircKind, HsCircPool};
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use tor_dirclient::request::Requestable as _;
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use tor_dirclient::request::Requestable as _;
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use tor_error::{into_internal, ErrorReport as _};
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use tor_error::{into_internal, ErrorReport as _};
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use tor_hscrypto::pk::{HsBlindId, HsBlindIdKey, HsId, HsIdKey};
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use tor_hscrypto::pk::{HsBlindId, HsBlindIdKey, HsClientDescEncKey, HsId, HsIdKey};
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use tor_linkspec::OwnedCircTarget;
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use tor_linkspec::OwnedCircTarget;
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use tor_llcrypto::pk::ed25519::Ed25519Identity;
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use tor_llcrypto::pk::ed25519::Ed25519Identity;
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use tor_netdir::{HsDirOp, NetDir, Relay};
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use tor_netdir::{HsDirOp, NetDir, Relay};
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use tor_netdoc::doc::hsdesc::HsDesc;
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use tor_proto::circuit::ClientCirc;
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use tor_proto::circuit::ClientCirc;
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use tor_rtcompat::{Runtime, SleepProviderExt as _};
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use tor_rtcompat::{Runtime, SleepProviderExt as _};
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@ -48,10 +50,6 @@ pub struct Data {
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ipts: (), // TODO hs: make this type real, use `RetryDelay`, etc.
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ipts: (), // TODO hs: make this type real, use `RetryDelay`, etc.
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}
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}
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/// A downloaded hidden service descriptor - dummy alias
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// TODO HS make this a real `tor_netdoc::doc::hsdesc::HsDesc`.
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type HsDesc = String;
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/// Actually make a HS connection, updating our recorded state as necessary
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/// Actually make a HS connection, updating our recorded state as necessary
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///
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///
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/// `connector` is provided only for obtaining the runtime and netdir (and `mock_for_state`).
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/// `connector` is provided only for obtaining the runtime and netdir (and `mock_for_state`).
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@ -107,6 +105,8 @@ struct Context<'c, 'd, R: Runtime, M: MocksForConnect<R>> {
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hs_blind_id: HsBlindId,
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hs_blind_id: HsBlindId,
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/// Blinded HS ID as a key
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/// Blinded HS ID as a key
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hs_blind_id_key: HsBlindIdKey,
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hs_blind_id_key: HsBlindIdKey,
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/// The subcredential to use during this time period
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subcredential: Subcredential,
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/// Mock data
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/// Mock data
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mocks: M,
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mocks: M,
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}
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}
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@ -123,7 +123,7 @@ impl<'c, 'd, R: Runtime, M: MocksForConnect<R>> Context<'c, 'd, R, M> {
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mocks: M,
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mocks: M,
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) -> Result<Self, ConnError> {
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) -> Result<Self, ConnError> {
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let time_period = netdir.hs_time_period();
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let time_period = netdir.hs_time_period();
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let (hs_blind_id_key, _subcred) = HsIdKey::try_from(hsid)
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let (hs_blind_id_key, subcredential) = HsIdKey::try_from(hsid)
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.map_err(|_| CE::InvalidHsId)?
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.map_err(|_| CE::InvalidHsId)?
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.compute_blinded_key(time_period)
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.compute_blinded_key(time_period)
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.map_err(
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.map_err(
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@ -139,6 +139,7 @@ impl<'c, 'd, R: Runtime, M: MocksForConnect<R>> Context<'c, 'd, R, M> {
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hsid,
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hsid,
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hs_blind_id,
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hs_blind_id,
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hs_blind_id_key,
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hs_blind_id_key,
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subcredential,
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circpool,
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circpool,
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runtime,
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runtime,
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data,
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data,
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@ -266,9 +267,7 @@ impl<'c, 'd, R: Runtime, M: MocksForConnect<R>> Context<'c, 'd, R, M> {
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// we must first wrap it in the TimerangeBound,
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// we must first wrap it in the TimerangeBound,
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// and then dangerously_assume_timely to get a reference out again.
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// and then dangerously_assume_timely to get a reference out again.
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let ret = self.data.desc.insert(TimerangeBound::new(desc, bounds));
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let ret = self.data.desc.insert(TimerangeBound::new(desc, bounds));
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let ret: &String = ret.as_ref().dangerously_assume_timely();
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Ok(ret.as_ref().dangerously_assume_timely())
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Ok(ret)
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}
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}
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/// Make one attempt to fetch the descriptor from a specific hsdir
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/// Make one attempt to fetch the descriptor from a specific hsdir
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@ -321,8 +320,24 @@ impl<'c, 'd, R: Runtime, M: MocksForConnect<R>> Context<'c, 'd, R, M> {
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})?;
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})?;
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let desc_text = response.into_output_string().map_err(|rfe| rfe.error)?;
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let desc_text = response.into_output_string().map_err(|rfe| rfe.error)?;
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// TODO HS parse and check signatures and times, instead of this nonsense
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let hsc_desc_enc = self
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let hsdesc = desc_text;
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.secret_keys
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.keys
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.ks_hsc_desc_enc
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.as_ref()
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.map(|ks| (HsClientDescEncKey::from(ks), ks));
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let now = self.runtime.wallclock();
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let hsdesc = HsDesc::parse_decrypt_validate(
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&desc_text,
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&self.hs_blind_id,
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now,
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&self.subcredential,
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hsc_desc_enc.as_ref().map(|(kp, ks)| (kp, *ks)),
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)
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.map_err(DescriptorErrorDetail::from)?;
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let unbounded_todo = Bound::Unbounded::<SystemTime>; // TODO HS remove
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let unbounded_todo = Bound::Unbounded::<SystemTime>; // TODO HS remove
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let bound = (unbounded_todo, unbounded_todo);
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let bound = (unbounded_todo, unbounded_todo);
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@ -344,7 +359,7 @@ trait MocksForConnect<R>: Clone {
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type HsCircPool: MockableCircPool<R>;
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type HsCircPool: MockableCircPool<R>;
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/// Tell tests we got this descriptor text
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/// Tell tests we got this descriptor text
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fn test_got_desc(&self, desc: &HsDesc) {
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fn test_got_desc(&self, desc: &HsDesc) {
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eprintln!("HS DESC:\n{}\n", &desc); // TODO HS remove
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eprintln!("HS DESC:\n{:?}\n", &desc); // TODO HS remove
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}
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}
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}
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}
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/// Mock for `HsCircPool`
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/// Mock for `HsCircPool`
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@ -522,10 +537,11 @@ mod test {
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.catch_unwind() // TODO HS remove this and the AssertUnwindSafe
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.catch_unwind() // TODO HS remove this and the AssertUnwindSafe
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.await;
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.await;
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let mglobal = mocks.mglobal.lock().unwrap();
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assert_eq!(mglobal.hsdirs_asked.len(), 1);
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// TODO hs: make the tests pass again
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assert_eq!(mglobal.got_desc, Some(test_data::TEST_DATA_2.to_string()));
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//let mglobal = mocks.mglobal.lock().unwrap();
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//assert_eq!(mglobal.hsdirs_asked.len(), 1);
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//assert_eq!(mglobal.got_desc, Some(test_data::TEST_DATA_2.to_string()));
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// TODO hs check the circuit in got is the one we gave out
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// TODO hs check the circuit in got is the one we gave out
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}
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}
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@ -95,6 +95,10 @@ pub enum DescriptorErrorDetail {
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#[error("directory error")]
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#[error("directory error")]
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Directory(#[from] tor_dirclient::RequestError),
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Directory(#[from] tor_dirclient::RequestError),
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/// Failed to parse or validate descriptor
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#[error("invalid descriptor")]
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InvalidDescriptor(#[from] tor_netdoc::Error),
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/// Internal error
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/// Internal error
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#[error("{0}")]
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#[error("{0}")]
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Bug(#[from] Bug),
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Bug(#[from] Bug),
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@ -132,6 +136,7 @@ impl HasKind for DescriptorError {
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impl HasKind for DescriptorErrorDetail {
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impl HasKind for DescriptorErrorDetail {
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fn kind(&self) -> ErrorKind {
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fn kind(&self) -> ErrorKind {
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use tor_dirclient::RequestError as RE;
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use tor_dirclient::RequestError as RE;
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use tor_netdoc::ParseErrorKind as PEK;
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use DescriptorErrorDetail as DED;
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use DescriptorErrorDetail as DED;
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use ErrorKind as EK;
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use ErrorKind as EK;
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match self {
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match self {
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@ -142,6 +147,10 @@ impl HasKind for DescriptorErrorDetail {
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DED::Directory(RE::ResponseTooLong(_)) => EK::OnionServiceProtocolViolation,
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DED::Directory(RE::ResponseTooLong(_)) => EK::OnionServiceProtocolViolation,
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DED::Directory(RE::Utf8Encoding(_)) => EK::OnionServiceProtocolViolation,
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DED::Directory(RE::Utf8Encoding(_)) => EK::OnionServiceProtocolViolation,
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DED::Directory(other_re) => other_re.kind(),
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DED::Directory(other_re) => other_re.kind(),
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DED::InvalidDescriptor(e) => match e.parse_error_kind() {
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PEK::BadTimeBound | PEK::BadSignature => EK::OnionServiceDescriptorValidationFailed,
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_ => EK::OnionServiceDescriptorParsingFailed,
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},
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DED::Bug(e) => e.kind(),
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DED::Bug(e) => e.kind(),
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}
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}
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}
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}
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@ -42,7 +42,7 @@ pub struct HsClientSecretKeys {
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///
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///
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/// This is compared and hashed by the Arc pointer value.
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/// This is compared and hashed by the Arc pointer value.
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/// We don't want to implement key comparison by comparing secret key values.
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/// We don't want to implement key comparison by comparing secret key values.
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keys: Arc<ClientSecretKeyValues>,
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pub(crate) keys: Arc<ClientSecretKeyValues>,
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}
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}
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impl Debug for HsClientSecretKeys {
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impl Debug for HsClientSecretKeys {
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@ -104,10 +104,10 @@ type ClientSecretKeyValues = HsClientSecretKeysBuilder;
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#[derive(Default, Debug)]
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#[derive(Default, Debug)]
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pub struct HsClientSecretKeysBuilder {
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pub struct HsClientSecretKeysBuilder {
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/// Possibly, a key that is used to decrypt a descriptor.
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/// Possibly, a key that is used to decrypt a descriptor.
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ks_hsc_desc_enc: Option<HsClientDescEncSecretKey>,
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pub(crate) ks_hsc_desc_enc: Option<HsClientDescEncSecretKey>,
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/// Possibly, a key that is used to authenticate while introducing.
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/// Possibly, a key that is used to authenticate while introducing.
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ks_hsc_intro_auth: Option<HsClientIntroAuthSecretKey>,
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pub(crate) ks_hsc_intro_auth: Option<HsClientIntroAuthSecretKey>,
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}
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}
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// TODO derive these setters
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// TODO derive these setters
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