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hs-v3: Add an encoded descriptor client cache lookup function

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This commit adds hs_cache_lookup_encoded_as_client() function that returns the
encoded descriptor for a given service public key. This will be needed by the
"GETINFO hs/client/desc/id/<ADDR>" control port command.

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2017-11-07 15:38:02 -05:00
parent 04812e59df
commit 05766eae30
2 changed files with 20 additions and 0 deletions
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18
src/or/hs_cache.c
View File

@ -705,6 +705,24 @@ cache_clean_v3_as_client(time_t now)
return bytes_removed;
}
/** Public API: Given the HS ed25519 identity public key in <b>key</b>, return
* its HS encoded descriptor if it's stored in our cache, or NULL if not. */
const char *
hs_cache_lookup_encoded_as_client(const ed25519_public_key_t *key)
{
hs_cache_client_descriptor_t *cached_desc = NULL;
tor_assert(key);
cached_desc = lookup_v3_desc_as_client(key->pubkey);
if (cached_desc) {
tor_assert(cached_desc->encoded_desc);
return cached_desc->encoded_desc;
}
return NULL;
}
/** Public API: Given the HS ed25519 identity public key in <b>key</b>, return
* its HS descriptor if it's stored in our cache, or NULL if not. */
const hs_descriptor_t *

2
src/or/hs_cache.h
View File

@ -81,6 +81,8 @@ int hs_cache_lookup_as_dir(uint32_t version, const char *query,
const hs_descriptor_t *
hs_cache_lookup_as_client(const ed25519_public_key_t *key);
const char *
hs_cache_lookup_encoded_as_client(const ed25519_public_key_t *key);
int hs_cache_store_as_client(const char *desc_str,
const ed25519_public_key_t *identity_pk);
void hs_cache_clean_as_client(time_t now);