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distinguish active/old denomination keys (#3634)

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This commit is contained in:
Christian Grothoff 2015-04-13 13:11:54 +02:00
parent b69e3bf14b
commit 9e9bad8dad
8 changed files with 94 additions and 28 deletions
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1
src/mint/Makefile.am
View File

@ -17,7 +17,6 @@ taler_mint_httpd_SOURCES = \
taler_mint_httpd_LDADD = \
$(LIBGCRYPT_LIBS) \
$(top_builddir)/src/util/libtalerutil.la \
$(top_builddir)/src/pq/libtalerpq.la \
$(top_builddir)/src/mintdb/libtalermintdb.la \
-lmicrohttpd \
-ljansson \

15
src/mint/taler-mint-httpd_db.c
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@ -136,7 +136,8 @@ TMH_DB_execute_deposit (struct MHD_Connection *connection,
}
mks = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (mks,
&deposit->coin.denom_pub);
&deposit->coin.denom_pub,
TMH_KS_DKU_DEPOSIT);
TALER_amount_ntoh (&value,
&dki->issue.value);
TMH_KS_release (mks);
@ -320,7 +321,8 @@ TMH_DB_execute_withdraw_sign (struct MHD_Connection *connection,
/* Check if balance is sufficient */
key_state = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (key_state,
denomination_pub);
denomination_pub,
TMH_KS_DKU_WITHDRAW);
if (NULL == dki)
{
TMH_KS_release (key_state);
@ -392,7 +394,8 @@ TMH_DB_execute_withdraw_sign (struct MHD_Connection *connection,
break;
case TALER_MINTDB_RO_WITHDRAW_COIN:
tdki = TMH_KS_denomination_key_lookup (key_state,
&pos->details.withdraw->denom_pub);
&pos->details.withdraw->denom_pub,
TMH_KS_DKU_WITHDRAW);
TALER_amount_ntoh (&value,
&tdki->issue.value);
if (0 == (res & 2))
@ -510,7 +513,8 @@ refresh_accept_melts (struct MHD_Connection *connection,
int res;
dki = &TMH_KS_denomination_key_lookup (key_state,
&coin_details->coin_info.denom_pub)->issue;
&coin_details->coin_info.denom_pub,
TMH_KS_DKU_DEPOSIT)->issue;
if (NULL == dki)
return (MHD_YES ==
@ -1023,7 +1027,8 @@ refresh_mint_coin (struct MHD_Connection *connection,
struct TALER_DenominationSignature ev_sig;
dki = TMH_KS_denomination_key_lookup (key_state,
denom_pub);
denom_pub,
TMH_KS_DKU_WITHDRAW);
if (NULL == dki)
{
GNUNET_break (0);

6
src/mint/taler-mint-httpd_deposit.c
View File

@ -86,7 +86,8 @@ verify_and_execute_deposit (struct MHD_Connection *connection,
/* check denomination exists and is valid */
key_state = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (key_state,
&deposit->coin.denom_pub);
&deposit->coin.denom_pub,
TMH_KS_DKU_DEPOSIT);
if (NULL == dki)
{
TMH_KS_release (key_state);
@ -188,7 +189,8 @@ parse_and_handle_deposit_request (struct MHD_Connection *connection,
GNUNET_free (wire_enc);
ks = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (ks,
&deposit.coin.denom_pub);
&deposit.coin.denom_pub,
TMH_KS_DKU_DEPOSIT);
if (NULL == dki)
{
TMH_KS_release (ks);

41
src/mint/taler-mint-httpd_keystate.c
View File

@ -461,19 +461,56 @@ TMH_KS_acquire (void)
*
* @param key_state state to look in
* @param denom_pub denomination public key
* @param use purpose for which the key is being located
* @return the denomination key issue,
* or NULL if denom_pub could not be found
*/
struct TALER_MINTDB_DenominationKeyIssueInformation *
TMH_KS_denomination_key_lookup (const struct TMH_KS_StateHandle *key_state,
const struct TALER_DenominationPublicKey *denom_pub)
const struct TALER_DenominationPublicKey *denom_pub,
enum TMH_KS_DenominationKeyUse use)
{
struct GNUNET_HashCode hc;
struct TALER_MINTDB_DenominationKeyIssueInformation *dki;
struct GNUNET_TIME_Absolute now;
GNUNET_CRYPTO_rsa_public_key_hash (denom_pub->rsa_public_key,
&hc);
return GNUNET_CONTAINER_multihashmap_get (key_state->denomkey_map,
dki = GNUNET_CONTAINER_multihashmap_get (key_state->denomkey_map,
&hc);
if (now.abs_value_us <
GNUNET_TIME_absolute_ntoh (dki->issue.start).abs_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as start time is in the future\n",
GNUNET_h2s (&hc));
return NULL;
}
now = GNUNET_TIME_absolute_get ();
switch (use)
{
case TMH_KS_DKU_WITHDRAW:
if (now.abs_value_us >
GNUNET_TIME_absolute_ntoh (dki->issue.expire_withdraw).abs_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as time to create coins has passed\n",
GNUNET_h2s (&hc));
return NULL;
}
break;
case TMH_KS_DKU_DEPOSIT:
if (now.abs_value_us >
GNUNET_TIME_absolute_ntoh (dki->issue.expire_spend).abs_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as time to spend coin has passed\n",
GNUNET_h2s (&hc));
return NULL;
}
break;
}
return dki;
}

28
src/mint/taler-mint-httpd_keystate.h
View File

@ -56,18 +56,42 @@ void
TMH_KS_release (struct TMH_KS_StateHandle *key_state);
/**
* Denomination key lookups can be for signing of fresh coins
* or to validate signatures on existing coins. As the validity
* periods for a key differ, the caller must specify which
* use is relevant for the current operation.
*/
enum TMH_KS_DenominationKeyUse {
/**
* The key is to be used for a /withdraw/sign or /refresh (mint)
* operation.
*/
TMH_KS_DKU_WITHDRAW,
/**
* The key is to be usd for a /deposit or /refresh (melt) operation.
*/
TMH_KS_DKU_DEPOSIT
};
/**
* Look up the issue for a denom public key. Note that the result
* is only valid while the @a key_state is not released!
*
* @param key_state state to look in
* @param denom_pub denomination public key
* @param use purpose for which the key is being located
* @return the denomination key issue,
* or NULL if denom_pub could not be found
* or NULL if denom_pub could not be found (or is not valid at this time for the given @a use)
*/
struct TALER_MINTDB_DenominationKeyIssueInformation *
TMH_KS_denomination_key_lookup (const struct TMH_KS_StateHandle *key_state,
const struct TALER_DenominationPublicKey *denom_pub);
const struct TALER_DenominationPublicKey *denom_pub,
enum TMH_KS_DenominationKeyUse use);
/**

9
src/mint/taler-mint-httpd_refresh.c
View File

@ -80,7 +80,8 @@ handle_refresh_melt_binary (struct MHD_Connection *connection,
for (i=0;i<num_new_denoms;i++)
{
dki = &TMH_KS_denomination_key_lookup (key_state,
&denom_pubs[i])->issue;
&denom_pubs[i],
TMH_KS_DKU_WITHDRAW)->issue;
TALER_amount_ntoh (&value,
&dki->value);
TALER_amount_ntoh (&fee_withdraw,
@ -108,7 +109,8 @@ handle_refresh_melt_binary (struct MHD_Connection *connection,
/* calculate contribution of the i-th melt by subtracting
the fee; add the rest to the total_melt value */
dki = &TMH_KS_denomination_key_lookup (key_state,
&coin_melt_details[i].coin_info.denom_pub)->issue;
&coin_melt_details[i].coin_info.denom_pub,
TMH_KS_DKU_DEPOSIT)->issue;
TALER_amount_ntoh (&fee_melt,
&dki->fee_refresh);
if (GNUNET_OK !=
@ -234,7 +236,8 @@ verify_coin_public_info (struct MHD_Connection *connection,
key_state = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (key_state,
&melt_detail->coin_info.denom_pub);
&melt_detail->coin_info.denom_pub,
TMH_KS_DKU_DEPOSIT);
if (NULL == dki)
{
TMH_KS_release (key_state);

17
src/mint/taler-mint-httpd_responses.c
View File

@ -468,8 +468,6 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
json_t *transaction;
int ret;
const struct TALER_MINTDB_ReserveHistory *pos;
struct TALER_MINTDB_DenominationKeyIssueInformation *dki;
struct TMH_KS_StateHandle *key_state;
struct TALER_WithdrawRequestPS wr;
json_history = json_array ();
@ -502,7 +500,6 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
}
}
key_state = TMH_KS_acquire ();
ret = 0;
for (pos = rh; NULL != pos; pos = pos->next)
{
@ -511,29 +508,28 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
case TALER_MINTDB_RO_BANK_TO_MINT:
break;
case TALER_MINTDB_RO_WITHDRAW_COIN:
dki = TMH_KS_denomination_key_lookup (key_state,
&pos->details.withdraw->denom_pub);
TALER_amount_ntoh (&value,
&dki->issue.value);
value = pos->details.withdraw->amount_with_fee;
if (0 == ret)
{
withdraw_total = value;
}
else
{
if (GNUNET_OK !=
TALER_amount_add (&withdraw_total,
&withdraw_total,
&value))
{
TMH_KS_release (key_state);
json_decref (json_history);
return NULL;
}
}
ret = 1;
wr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW);
wr.purpose.size = htonl (sizeof (struct TALER_WithdrawRequestPS));
wr.reserve_pub = pos->details.withdraw->reserve_pub;
TALER_amount_hton (&wr.amount_with_fee,
&pos->details.withdraw->amount_with_fee);
&value);
TALER_amount_hton (&wr.withdraw_fee,
&pos->details.withdraw->withdraw_fee);
GNUNET_CRYPTO_rsa_public_key_hash (pos->details.withdraw->denom_pub.rsa_public_key,
@ -552,7 +548,6 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
break;
}
}
TMH_KS_release (key_state);
if (GNUNET_SYSERR ==
TALER_amount_subtract (balance,

3
src/mint/taler-mint-httpd_withdraw.c
View File

@ -128,7 +128,8 @@ TMH_WITHDRAW_handler_withdraw_sign (struct TMH_RequestHandler *rh,
blinded_msg_len = spec[0].destination_size_out;
ks = TMH_KS_acquire ();
dki = TMH_KS_denomination_key_lookup (ks,
&denomination_pub);
&denomination_pub,
TMH_KS_DKU_WITHDRAW);
if (NULL == dki)
{
TMH_PARSE_release_data (spec);