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record DB replies for /keys in memory

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This commit is contained in:
Christian Grothoff 2020-12-06 22:36:29 +01:00
parent 22c9321e67
commit 7db909dd12
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
2 changed files with 92 additions and 8 deletions
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76
src/exchange/taler-exchange-httpd_keys.c
View File

@ -85,6 +85,34 @@ struct HelperDenomination
};
/**
* Signatures of an auditor over a denomination key of this exchange.
*/
struct TEH_AuditorSignature
{
/**
* We store the signatures in a DLL.
*/
struct AuditorSignature *prev;
/**
* We store the signatures in a DLL.
*/
struct AuditorSignature *next;
/**
* A signature from the auditor.
*/
struct TALER_AuditorSignatureP asig;
/**
* Public key of the auditor.
*/
struct TALER_AuditorPublicKeyP apub;
};
/**
* Information about a signing key on offer by the esign helper.
*/
@ -229,8 +257,11 @@ struct TEH_KeyStateHandle
*/
struct GNUNET_CONTAINER_MultiPeerMap *signkey_map;
// FIXME: need list of auditors here!
// FIXME: need list of auditor-denominations here!
/**
* json array with the auditors of this exchange. Contains exactly
* the information needed for the "auditors" field of the /keys response.
*/
json_t *auditors;
/**
* Sorted array of responses to /keys (MUST be sorted by cherry-picking date) of
@ -631,10 +662,18 @@ clear_denomination_cb (void *cls,
void *value)
{
struct TEH_DenominationKey *dk = value;
struct TEH_AuditorSignature *as;
(void) cls;
(void) h_denom_pub;
GNUNET_CRYPTO_rsa_public_key_free (dk->denom_pub.rsa_public_key);
while (NULL != (as = dk->as_head))
{
GNUNET_CONTAINER_DLL_remove (dk->as_head,
dk->as_tail,
as);
GNUNET_free (as);
}
GNUNET_free (dk);
return GNUNET_OK;
}
@ -682,6 +721,8 @@ destroy_key_state (struct TEH_KeyStateHandle *ksh,
&clear_signkey_cb,
ksh);
GNUNET_CONTAINER_multihashmap_destroy (ksh->denomkey_map);
json_decref (ksh->auditors);
ksh->auditors = NULL;
if (free_helper)
destroy_key_helpers (&ksh->helpers);
GNUNET_free (ksh);
@ -793,7 +834,16 @@ auditor_info_cb (
{
struct TEH_KeyStateHandle *ksh = cls;
// FIXME: remember...
GNUNET_break (0 ==
json_array_append_new (
ksh->auditors,
json_pack ("{s:s, s:o, s:s}",
"name",
auditor_name,
"auditor_pub",
GNUNET_JSON_from_data_auto (auditor_pub),
"url",
auditor_url)));
}
@ -814,8 +864,25 @@ auditor_denom_cb (
const struct TALER_AuditorSignatureP *auditor_sig)
{
struct TEH_KeyStateHandle *ksh = cls;
struct TEH_DenominationKey *dk;
struct TEH_AuditorSignature *as;
// FIXME: remember...
dk = GNUNET_CONTAINER_multihashmap_get (ksh->denom_map,
h_denom_pub);
if (NULL == dk)
{
/* Odd, this should be impossible as per foreign key
constraint on 'auditor_denom_sigs'! Well, we can
safely continue anyway, so let's just log it. */
GNUNET_break (0);
return;
}
as = GNUNET_new (struct TEH_AuditorSignature);
as->asig = *auditor_sig;
as->apub = *auditor_pub;
GNUNET_CONTAINER_DLL_insert (dk->as_head,
dk->as_tail,
as);
}
@ -851,6 +918,7 @@ build_key_state (struct HelperState *hs)
GNUNET_YES);
ksh->signkey_map = GNUNET_CONTAINER_multihashmap_create (32,
GNUNET_NO /* MUST be NO! */);
ksh->auditors = json_array ();
/* NOTE: fetches master-signed signkeys, but ALSO those that were revoked! */
qs = TEH_plugin->iterate_denominations (TEH_plugin->cls,
&denomination_info_cb,

24
src/exchange/taler-exchange-httpd_keys.h
View File

@ -28,6 +28,12 @@
#ifndef TALER_EXCHANGE_HTTPD_KEYS_H
#define TALER_EXCHANGE_HTTPD_KEYS_H
/**
* Signatures of an auditor over a denomination key of this exchange.
*/
struct TEH_AuditorSignature;
/**
* @brief All information about a denomination key (which is used to
* sign coins into existence).
@ -56,13 +62,23 @@ struct TEH_DenominationKey
* The long-term offline master key's signature for this denomination.
* Signs over @e h_denom_pub and @e meta.
*/
struct TALER_MasterSignatureP master_sig_validity;
struct TALER_MasterSignatureP master_sig;
/**
* The master key's signature to revoke this denomination, or all zero
* if the denomination has NOT yet been revoked.
* We store the auditor signatures for this denomination in a DLL.
*/
struct TALER_MasterSignatureP master_sig_revocation;
struct TEH_AuditorSignature *as_head;
/**
* We store the auditor signatures for this denomination in a DLL.
*/
struct TEH_AuditorSignature *as_tail;
/**
* Set to 'true' if this denomination has been revoked and recoup is
* thus supported right now.
*/
bool recoup_possible;
};