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-rw-r--r--src/kyclogic/kyclogic_api.c73
1 files changed, 67 insertions, 6 deletions
diff --git a/src/kyclogic/kyclogic_api.c b/src/kyclogic/kyclogic_api.c
index 6d92fce68..b82a6c065 100644
--- a/src/kyclogic/kyclogic_api.c
+++ b/src/kyclogic/kyclogic_api.c
@@ -22,6 +22,12 @@
#include "taler_kyclogic_lib.h"
/**
+ * Name of the KYC check that may never be passed. Useful if some
+ * operations/amounts are categorically forbidden.
+ */
+#define KYC_CHECK_IMPOSSIBLE "impossible"
+
+/**
* Information about a KYC provider.
*/
struct TALER_KYCLOGIC_KycProvider;
@@ -265,6 +271,21 @@ TALER_KYCLOGIC_kyc_user_type2s (enum TALER_KYCLOGIC_KycUserType ut)
}
+enum GNUNET_GenericReturnValue
+TALER_KYCLOGIC_check_satisfiable (
+ const char *check_name)
+{
+ for (unsigned int i = 0; i<num_kyc_checks; i++)
+ if (0 == strcmp (check_name,
+ kyc_checks[i]->name))
+ return GNUNET_OK;
+ if (0 == strcmp (check_name,
+ KYC_CHECK_IMPOSSIBLE))
+ return GNUNET_NO;
+ return GNUNET_SYSERR;
+}
+
+
/**
* Load KYC logic plugin.
*
@@ -331,9 +352,8 @@ add_check (const char *check)
/**
- * Parse list of checks from @a checks and build an
- * array of aliases into the global checks array
- * in @a provided_checks.
+ * Parse list of checks from @a checks and build an array of aliases into the
+ * global checks array in @a provided_checks.
*
* @param[in,out] checks list of checks; clobbered
* @param[out] p_checks where to put array of aliases
@@ -585,6 +605,29 @@ add_trigger (const struct GNUNET_CONFIGURATION_Handle *cfg,
GNUNET_array_append (kyc_triggers,
num_kyc_triggers,
kt);
+ for (unsigned int i = 0; i<kt->num_checks; i++)
+ {
+ const struct TALER_KYCLOGIC_KycCheck *ck = kt->required_checks[i];
+
+ if (0 != ck->num_providers)
+ continue;
+ if (0 == strcmp (ck->name,
+ KYC_CHECK_IMPOSSIBLE))
+ continue;
+ {
+ char *msg;
+
+ GNUNET_asprintf (&msg,
+ "Required check `%s' cannot be satisfied: not provided by any provider",
+ ck->name);
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
+ section,
+ "REQUIRED_CHECKS",
+ msg);
+ GNUNET_free (msg);
+ }
+ return GNUNET_SYSERR;
+ }
}
return GNUNET_OK;
}
@@ -614,8 +657,8 @@ struct SectionContext
* @param section name of the section
*/
static void
-handle_section (void *cls,
- const char *section)
+handle_provider_section (void *cls,
+ const char *section)
{
struct SectionContext *sc = cls;
@@ -629,6 +672,21 @@ handle_section (void *cls,
sc->result = false;
return;
}
+}
+
+
+/**
+ * Function to iterate over configuration sections.
+ *
+ * @param cls a `struct SectionContext *`
+ * @param section name of the section
+ */
+static void
+handle_trigger_section (void *cls,
+ const char *section)
+{
+ struct SectionContext *sc = cls;
+
if (0 == strncasecmp (section,
"kyc-legitimization-",
strlen ("kyc-legitimization-")))
@@ -680,7 +738,10 @@ TALER_KYCLOGIC_kyc_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
};
GNUNET_CONFIGURATION_iterate_sections (cfg,
- &handle_section,
+ &handle_provider_section,
+ &sc);
+ GNUNET_CONFIGURATION_iterate_sections (cfg,
+ &handle_trigger_section,
&sc);
if (! sc.result)
{