diff options
Diffstat (limited to 'src/exchange-lib')
| -rw-r--r-- | src/exchange-lib/Makefile.am | 1 | ||||
| -rw-r--r-- | src/exchange-lib/exchange_api_deposit.c | 53 | ||||
| -rw-r--r-- | src/exchange-lib/exchange_api_handle.c | 129 | ||||
| -rw-r--r-- | src/exchange-lib/exchange_api_handle.h | 32 |
4 files changed, 212 insertions, 3 deletions
diff --git a/src/exchange-lib/Makefile.am b/src/exchange-lib/Makefile.am index 4b1105d5..6b64ea65 100644 --- a/src/exchange-lib/Makefile.am +++ b/src/exchange-lib/Makefile.am @@ -27,6 +27,7 @@ libtalerexchange_la_SOURCES = \ exchange_api_track_transfer.c \ exchange_api_wire.c libtalerexchange_la_LIBADD = \ + $(top_builddir)/src/auditor-lib/libtalerauditor.la \ $(top_builddir)/src/json/libtalerjson.la \ $(top_builddir)/src/util/libtalerutil.la \ -lgnunetcurl \ diff --git a/src/exchange-lib/exchange_api_deposit.c b/src/exchange-lib/exchange_api_deposit.c index 4b92dea2..23066c7d 100644 --- a/src/exchange-lib/exchange_api_deposit.c +++ b/src/exchange-lib/exchange_api_deposit.c @@ -27,6 +27,7 @@ #include <gnunet/gnunet_json_lib.h> #include <gnunet/gnunet_curl_lib.h> #include "taler_json_lib.h" +#include "taler_auditor_service.h" #include "taler_exchange_service.h" #include "exchange_api_handle.h" #include "taler_signatures.h" @@ -83,11 +84,30 @@ struct TALER_EXCHANGE_DepositHandle * Total value of the coin being transacted with. */ struct TALER_Amount coin_value; - + }; /** + * Signature of functions called with the result from our call to the + * auditor's /deposit-confirmation handler. + * + * @param cls closure + * @param http_status HTTP status code, 200 on success + * @param ec taler protocol error status code, 0 on success + * @param json raw json response + */ +static void +acc_confirmation_cb (void *cls, + unsigned int http_status, + enum TALER_ErrorCode ec, + const json_t *json) +{ + /* FIXME: clean up state, some logging on errors! */ +} + + +/** * Verify that the signature on the "200 OK" response * from the exchange is valid. * @@ -135,6 +155,37 @@ verify_deposit_signature_ok (const struct TALER_EXCHANGE_DepositHandle *dh, GNUNET_break_op (0); return GNUNET_SYSERR; } + if (0 /* #5447: replace with "for all auditors, if auditor selected for DC notification... */) + { + struct TALER_AUDITOR_DepositConfirmationHandle *dch; + const struct TALER_EXCHANGE_SigningPublicKey *spk; + struct TALER_Amount amount_without_fee; + + spk = TALER_EXCHANGE_get_signing_key_details (key_state, + exchange_pub); + GNUNET_assert (NULL != spk); + TALER_amount_ntoh (&amount_without_fee, + &dh->depconf.amount_without_fee); + dch = TALER_AUDITOR_deposit_confirmation (NULL /* FIXME: auditor */, + &dh->depconf.h_wire, + &dh->depconf.h_contract_terms, + GNUNET_TIME_absolute_ntoh (dh->depconf.timestamp), + GNUNET_TIME_absolute_ntoh (dh->depconf.refund_deadline), + &amount_without_fee, + &dh->depconf.coin_pub, + &dh->depconf.merchant, + exchange_pub, + exchange_sig, + &key_state->master_pub, + spk->valid_from, + spk->valid_until, + spk->valid_legal, + &spk->master_sig, + &acc_confirmation_cb, + NULL /* FIXME: context! */); + } + + return GNUNET_OK; } diff --git a/src/exchange-lib/exchange_api_handle.c b/src/exchange-lib/exchange_api_handle.c index f6a5807e..afaabd85 100644 --- a/src/exchange-lib/exchange_api_handle.c +++ b/src/exchange-lib/exchange_api_handle.c @@ -28,6 +28,7 @@ #include <gnunet/gnunet_curl_lib.h> #include "taler_json_lib.h" #include "taler_exchange_service.h" +#include "taler_auditor_service.h" #include "taler_signatures.h" #include "exchange_api_handle.h" #include "curl_defaults.h" @@ -91,6 +92,77 @@ struct KeysRequest; /** + * Entry in list of ongoing interactions with an auditor. + */ +struct AuditorInteractionEntry +{ + /** + * DLL entry. + */ + struct AuditorInteractionEntry *next; + + /** + * DLL entry. + */ + struct AuditorInteractionEntry *prev; + + /** + * Interaction state. + */ + struct TALER_AUDITOR_DepositConfirmationHandle *dch; +}; + + +/** + * Entry in DLL of auditors used by an exchange. + */ +struct AuditorListEntry +{ + /** + * Next pointer of DLL. + */ + struct AuditorListEntry *next; + + /** + * Prev pointer of DLL. + */ + struct AuditorListEntry *prev; + + /** + * Base URL of the auditor. + */ + const char *auditor_url; + + /** + * Handle to the auditor. + */ + struct TALER_AUDITOR_Handle *ah; + + /** + * Head of DLL of interactions with this auditor. + */ + struct AuditorInteractionEntry *ai_head; + + /** + * Tail of DLL of interactions with this auditor. + */ + struct AuditorInteractionEntry *ai_tail; + + /** + * Public key of the auditor. + */ + struct TALER_AuditorPublicKeyP auditor_pub; + + /** + * Flag indicating that the auditor is available and that protocol + * version compatibility is given. + */ + int is_up; + +}; + + +/** * Handle to the exchange */ struct TALER_EXCHANGE_Handle @@ -134,6 +206,16 @@ struct TALER_EXCHANGE_Handle json_t *key_data_raw; /** + * Head of DLL of auditors of this exchange. + */ + struct AuditorListEntry *auditors_head; + + /** + * Tail of DLL of auditors of this exchange. + */ + struct AuditorListEntry *auditors_tail; + + /** * Key data of the exchange, only valid if * @e handshake_complete is past stage #MHS_CERT. */ @@ -152,8 +234,8 @@ struct TALER_EXCHANGE_Handle /** * Stage of the exchange's initialization routines. */ - enum ExchangeHandleState state; - + enum ExchangeHandleState state; + }; @@ -189,6 +271,24 @@ struct KeysRequest /** + * Iterate over all available auditors for @a h, calling + * @param ah and giving it a chance to start a deposit + * confirmation interaction. + * + * @param h exchange to go over auditors for + * @param ac function to call per auditor + * @param ac_cls closure for @a ac + */ +void +TEAH_get_auditors_for_dc (struct TALER_EXCHANGE_Handle *h, + TEAH_AuditorCallback ac, + void *ac_cls) +{ + // FIXME! +} + + +/** * Release memory occupied by a keys request. * Note that this does not cancel the request * itself. @@ -1542,6 +1642,30 @@ TALER_EXCHANGE_disconnect (struct TALER_EXCHANGE_Handle *exchange) /** + * Lookup the given @a pub in @a keys. + * + * @param keys the exchange's key set + * @param pub claimed current online signing key for the exchange + * @return NULL if @a pub was not found + */ +const struct TALER_EXCHANGE_SigningPublicKey * +TALER_EXCHANGE_get_signing_key_details (const struct TALER_EXCHANGE_Keys *keys, + const struct TALER_ExchangePublicKeyP *pub) +{ + for (unsigned int i=0;i<keys->num_sign_keys;i++) + { + struct TALER_EXCHANGE_SigningPublicKey *spk = &keys->sign_keys[i]; + + if (0 == memcmp (pub, + &spk->key, + sizeof (struct TALER_ExchangePublicKeyP))) + return spk; + } + return NULL; +} + + +/** * Test if the given @a pub is a the current signing key from the exchange * according to @a keys. * @@ -1567,6 +1691,7 @@ TALER_EXCHANGE_test_signing_key (const struct TALER_EXCHANGE_Keys *keys, return GNUNET_SYSERR; } + /** * Get exchange's base URL. * diff --git a/src/exchange-lib/exchange_api_handle.h b/src/exchange-lib/exchange_api_handle.h index 8c439273..f06fa4ee 100644 --- a/src/exchange-lib/exchange_api_handle.h +++ b/src/exchange-lib/exchange_api_handle.h @@ -21,7 +21,39 @@ */ #include "platform.h" #include <gnunet/gnunet_curl_lib.h> +#include "taler_auditor_service.h" #include "taler_exchange_service.h" +#include "taler_crypto_lib.h" + + +/** + * Function called for each auditor to give us a chance to possibly + * launch a deposit confirmation interaction. + * + * @param cls closure + * @param ah handle to the auditor + * @param auditor_pub public key of the auditor + * @return NULL if no deposit confirmation interaction was launched + */ +typedef struct TALER_AUDITOR_DepositConfirmationHandle * +(*TEAH_AuditorCallback)(void *cls, + struct TALER_AUDITOR_Handle *ah, + const struct TALER_AuditorPublicKeyP *auditor_pub); + + +/** + * Iterate over all available auditors for @a h, calling + * @param ah and giving it a chance to start a deposit + * confirmation interaction. + * + * @param h exchange to go over auditors for + * @param ac function to call per auditor + * @param ac_cls closure for @a ac + */ +void +TEAH_get_auditors_for_dc (struct TALER_EXCHANGE_Handle *h, + TEAH_AuditorCallback ac, + void *ac_cls); /** |