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authorMarcello Stanisci <stanisci.m@gmail.com>2019-01-22 19:04:19 +0100
committerMarcello Stanisci <stanisci.m@gmail.com>2019-01-22 19:04:19 +0100
commitd5ee6e1d07805b11e02831fac0823f83cb8f9edd (patch)
tree727eb878076710236dfb21b7b9557a86013586a0 /src/lib/exchange_api_handle.c
parent342f9f1ec803492392211fc15ac639d459f93900 (diff)
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Fix denoms comparison.
Diffstat (limited to 'src/lib/exchange_api_handle.c')
-rw-r--r--src/lib/exchange_api_handle.c68
1 files changed, 57 insertions, 11 deletions
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index b2ac596fe..61b34fc87 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -719,6 +719,50 @@ update_auditors (struct TALER_EXCHANGE_Handle *exchange)
}
}
+/**
+ * Compare two denomination keys.
+ *
+ * @param denoma first denomination key
+ * @param denomb second denomination key
+ * @return 0 if the two keys are equal (not necessarily
+ * the same object), 1 otherwise.
+ */
+unsigned int
+TALER_denoms_cmp (struct TALER_EXCHANGE_DenomPublicKey *denom1,
+ struct TALER_EXCHANGE_DenomPublicKey *denom2)
+{
+ struct GNUNET_CRYPTO_RsaPublicKey *tmp1;
+ struct GNUNET_CRYPTO_RsaPublicKey *tmp2;
+
+ /* First check if pub is the same. */
+ if (0 != GNUNET_CRYPTO_rsa_public_key_cmp
+ (denom1->key.rsa_public_key,
+ denom2->key.rsa_public_key))
+ return 1;
+
+ tmp1 = denom1->key.rsa_public_key;
+ tmp2 = denom2->key.rsa_public_key;
+
+ denom1->key.rsa_public_key = NULL;
+ denom2->key.rsa_public_key = NULL;
+
+ /* Then procede with the rest of the object. */
+ if (0 != memcmp (denom1,
+ denom2,
+ sizeof (struct TALER_EXCHANGE_DenomPublicKey)))
+ {
+ denom1->key.rsa_public_key = tmp1;
+ denom2->key.rsa_public_key = tmp2;
+
+ return 1;
+ }
+
+ denom1->key.rsa_public_key = tmp1;
+ denom2->key.rsa_public_key = tmp2;
+
+ return 0;
+}
+
/**
* Decode the JSON in @a resp_obj from the /keys response
@@ -857,7 +901,7 @@ decode_keys_json (const json_t *resp_obj,
index = 0;
json_array_foreach (denom_keys_array, index, denom_key_obj) {
struct TALER_EXCHANGE_DenomPublicKey dk;
- bool found = false;
+ int found = GNUNET_NO;
EXITIF (GNUNET_SYSERR ==
parse_json_denomkey (&dk,
@@ -865,17 +909,19 @@ decode_keys_json (const json_t *resp_obj,
denom_key_obj,
&key_data->master_pub,
hash_context));
- for (unsigned int j=0;j<key_data->num_denom_keys;j++)
+
+ for (unsigned int j=0;
+ j<key_data->num_denom_keys;
+ j++)
{
- if (0 == memcmp (&dk,
- &key_data->denom_keys[j],
- sizeof (dk)))
+ if (0 == TALER_denoms_cmp (&dk,
+ &key_data->denom_keys[j]))
{
- found = true;
+ found = GNUNET_YES;
break;
}
}
- if (found)
+ if (GNUNET_YES == found)
{
/* 0:0:0 did not support /keys cherry picking */
GNUNET_break_op (0 == current);
@@ -910,7 +956,7 @@ decode_keys_json (const json_t *resp_obj,
index = 0;
json_array_foreach (auditors_array, index, auditor_info) {
struct TALER_EXCHANGE_AuditorInformation ai;
- bool found = false;
+ int found = GNUNET_NO;
memset (&ai,
0,
@@ -928,7 +974,7 @@ decode_keys_json (const json_t *resp_obj,
&aix->auditor_pub,
sizeof (struct TALER_AuditorPublicKeyP)))
{
- found = true;
+ found = GNUNET_YES;
/* Merge denomination key signatures of downloaded /keys into existing
auditor information 'aix'. */
GNUNET_array_grow (aix->denom_keys,
@@ -940,7 +986,7 @@ decode_keys_json (const json_t *resp_obj,
break;
}
}
- if (found)
+ if (GNUNET_YES == found)
continue; /* we are done */
if (key_data->auditors_size == key_data->num_auditors)
GNUNET_array_grow (key_data->auditors,
@@ -1077,7 +1123,6 @@ TALER_EXCHANGE_check_keys_current (struct TALER_EXCHANGE_Handle *exchange,
return GNUNET_TIME_UNIT_ZERO_ABS;
}
-
/**
* Callback used when downloading the reply to a /keys request
* is complete.
@@ -1136,6 +1181,7 @@ keys_completed_cb (void *cls,
memcpy (kd.denom_keys,
kd_old.denom_keys,
kd_old.num_denom_keys * sizeof (struct TALER_EXCHANGE_DenomPublicKey));
+
for (unsigned int i=0;i<kd_old.num_denom_keys;i++)
kd.denom_keys[i].key.rsa_public_key
= GNUNET_CRYPTO_rsa_public_key_dup (kd_old.denom_keys[i].key.rsa_public_key);