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fix NPE on key not found

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This commit is contained in:
Christian Grothoff 2021-07-21 18:51:05 +02:00
parent 3721780f16
commit 5828dfad1d
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
3 changed files with 31 additions and 11 deletions
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16
src/exchange/taler-exchange-httpd_keys.c
View File

@ -2152,7 +2152,7 @@ TEH_keys_get_handler (const struct TEH_RequestHandler *rh,
* @param[in,out] meta denomination type data to complete
* @return #GNUNET_OK on success
*/
static int
static enum GNUNET_GenericReturnValue
load_fees (const char *section_name,
struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta)
{
@ -2271,14 +2271,14 @@ load_fees (const char *section_name,
}
int
enum GNUNET_GenericReturnValue
TEH_keys_load_fees (const struct GNUNET_HashCode *h_denom_pub,
struct TALER_DenominationPublicKey *denom_pub,
struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta)
{
struct TEH_KeyStateHandle *ksh;
struct HelperDenomination *hd;
int ok;
enum GNUNET_GenericReturnValue ok;
ksh = get_key_state (true);
if (NULL == ksh)
@ -2289,6 +2289,13 @@ TEH_keys_load_fees (const struct GNUNET_HashCode *h_denom_pub,
hd = GNUNET_CONTAINER_multihashmap_get (ksh->helpers->denom_keys,
h_denom_pub);
if (NULL == hd)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Denomination %s not known\n",
GNUNET_h2s (h_denom_pub));
return GNUNET_NO;
}
meta->start = hd->start_time;
meta->expire_withdraw = GNUNET_TIME_absolute_add (meta->start,
hd->validity_duration);
@ -2298,8 +2305,7 @@ TEH_keys_load_fees (const struct GNUNET_HashCode *h_denom_pub,
denom_pub->rsa_public_key
= GNUNET_CRYPTO_rsa_public_key_dup (hd->denom_pub.rsa_public_key);
else
denom_pub->rsa_public_key
= NULL;
denom_pub->rsa_public_key = NULL;
return ok;
}

6
src/exchange/taler-exchange-httpd_keys.h
View File

@ -356,9 +356,11 @@ TEH_keys_management_get_handler (const struct TEH_RequestHandler *rh,
* to use to derive the section name of the configuration to use
* @param[out] denom_pub set to the denomination public key (to be freed by caller!)
* @param[out] meta denomination type data to complete
* @return #GNUNET_OK on success
* @return #GNUNET_OK on success,
* #GNUNET_NO if @a h_denom_pub is not known
* #GNUNET_SYSERR on hard errors
*/
int
enum GNUNET_GenericReturnValue
TEH_keys_load_fees (const struct GNUNET_HashCode *h_denom_pub,
struct TALER_DenominationPublicKey *denom_pub,
struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta);

20
src/exchange/taler-exchange-httpd_management_post_keys.c
View File

@ -147,17 +147,29 @@ add_keys (void *cls,
}
if (0 == qs)
{
if (GNUNET_OK !=
TEH_keys_load_fees (&akc->d_sigs[i].h_denom_pub,
&denom_pub,
&meta))
enum GNUNET_GenericReturnValue rv;
rv = TEH_keys_load_fees (&akc->d_sigs[i].h_denom_pub,
&denom_pub,
&meta);
switch (rv)
{
case GNUNET_SYSERR:
*mhd_ret = TALER_MHD_reply_with_error (
connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_EXCHANGE_GENERIC_BAD_CONFIGURATION,
GNUNET_h2s (&akc->d_sigs[i].h_denom_pub));
return GNUNET_DB_STATUS_HARD_ERROR;
case GNUNET_NO:
*mhd_ret = TALER_MHD_reply_with_error (
connection,
MHD_HTTP_NOT_FOUND,
TALER_EC_EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN,
GNUNET_h2s (&akc->d_sigs[i].h_denom_pub));
return GNUNET_DB_STATUS_HARD_ERROR;
case GNUNET_OK:
break;
}
}
else