diff options
Diffstat (limited to 'src/lib/exchange_api_handle.c')
| -rw-r--r-- | src/lib/exchange_api_handle.c | 77 |
1 files changed, 66 insertions, 11 deletions
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c index b2ac596fe..78219e611 100644 --- a/src/lib/exchange_api_handle.c +++ b/src/lib/exchange_api_handle.c @@ -685,8 +685,11 @@ update_auditors (struct TALER_EXCHANGE_Handle *exchange) { struct TALER_EXCHANGE_Keys *kd = &exchange->key_data; + TALER_LOG_DEBUG ("Updating auditors\n"); for (unsigned int i=0;i<kd->num_auditors;i++) { + /* Compare auditor data from /keys with auditor data + * from owned exchange structures. */ struct TALER_EXCHANGE_AuditorInformation *auditor = &kd->auditors[i]; struct TEAH_AuditorListEntry *ale = NULL; @@ -704,7 +707,9 @@ update_auditors (struct TALER_EXCHANGE_Handle *exchange) } if (NULL != ale) continue; /* found, no need to add */ + /* new auditor, add */ + TALER_LOG_DEBUG ("Found new auditor!\n"); ale = GNUNET_new (struct TEAH_AuditorListEntry); ale->auditor_pub = auditor->auditor_pub; ale->auditor_url = GNUNET_strdup (auditor->auditor_url); @@ -719,6 +724,50 @@ 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 +906,7 @@ 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 +914,19 @@ 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 +961,7 @@ 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 +979,7 @@ 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 +991,7 @@ 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 +1128,6 @@ 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 +1186,7 @@ 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); @@ -1160,6 +1211,7 @@ keys_completed_cb (void *cls, aold->num_denom_keys * sizeof (struct TALER_EXCHANGE_AuditorDenominationInfo)); } + /* Old auditors got just copied into new ones. */ if (GNUNET_OK != decode_keys_json (j, GNUNET_YES, @@ -1682,6 +1734,9 @@ TALER_EXCHANGE_connect va_list ap; enum TALER_EXCHANGE_Option opt; + TALER_LOG_DEBUG ("Connecting to the exchange (%s)\n", + url); + exchange = GNUNET_new (struct TALER_EXCHANGE_Handle); exchange->ctx = ctx; exchange->url = GNUNET_strdup (url); |