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-rw-r--r--src/mint/Makefile.am13
-rw-r--r--src/mint/taler-mint-httpd.c45
-rw-r--r--src/mint/taler-mint-httpd.h8
-rw-r--r--src/mint/taler-mint-httpd_admin.c4
-rw-r--r--src/mint/taler-mint-httpd_deposit.c4
-rw-r--r--src/mint/taler-mint-httpd_validation.c231
-rw-r--r--src/mint/taler-mint-httpd_validation.h76
-rw-r--r--src/mint/taler-mint-httpd_wire.c31
8 files changed, 331 insertions, 81 deletions
diff --git a/src/mint/Makefile.am b/src/mint/Makefile.am
index a115d63a..aa9b1974 100644
--- a/src/mint/Makefile.am
+++ b/src/mint/Makefile.am
@@ -11,17 +11,18 @@ bin_PROGRAMS = \
taler_mint_httpd_SOURCES = \
taler-mint-httpd.c taler-mint-httpd.h \
- taler-mint-httpd_keystate.c taler-mint-httpd_keystate.h \
- taler-mint-httpd_db.c taler-mint-httpd_db.h \
- taler-mint-httpd_parsing.c taler-mint-httpd_parsing.h \
- taler-mint-httpd_responses.c taler-mint-httpd_responses.h \
- taler-mint-httpd_mhd.c taler-mint-httpd_mhd.h \
taler-mint-httpd_admin.c taler-mint-httpd_admin.h \
+ taler-mint-httpd_db.c taler-mint-httpd_db.h \
taler-mint-httpd_deposit.c taler-mint-httpd_deposit.h \
+ taler-mint-httpd_keystate.c taler-mint-httpd_keystate.h \
+ taler-mint-httpd_mhd.c taler-mint-httpd_mhd.h \
+ taler-mint-httpd_parsing.c taler-mint-httpd_parsing.h \
+ taler-mint-httpd_refresh.c taler-mint-httpd_refresh.h \
taler-mint-httpd_reserve.c taler-mint-httpd_reserve.h \
+ taler-mint-httpd_responses.c taler-mint-httpd_responses.h \
taler-mint-httpd_tracking.c taler-mint-httpd_tracking.h \
taler-mint-httpd_wire.c taler-mint-httpd_wire.h \
- taler-mint-httpd_refresh.c taler-mint-httpd_refresh.h
+ taler-mint-httpd_validation.c taler-mint-httpd_validation.h
taler_mint_httpd_LDADD = \
$(LIBGCRYPT_LIBS) \
$(top_builddir)/src/util/libtalerutil.la \
diff --git a/src/mint/taler-mint-httpd.c b/src/mint/taler-mint-httpd.c
index 26a440c9..5d6aa058 100644
--- a/src/mint/taler-mint-httpd.c
+++ b/src/mint/taler-mint-httpd.c
@@ -39,6 +39,7 @@
#include "taler-mint-httpd_test.h"
#endif
#include "taler_mintdb_plugin.h"
+#include "taler-mint-httpd_validation.h"
/**
* Which currency is used by this mint?
@@ -67,13 +68,6 @@ struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_CRYPTO_EddsaPublicKey TMH_master_public_key;
/**
- * In which format does this MINT expect wiring instructions?
- * NULL-terminated array of 0-terminated wire format types,
- * suitable for passing to #TALER_json_validate_wireformat().
- */
-const char **TMH_expected_wire_formats;
-
-/**
* Our DB plugin.
*/
struct TALER_MINTDB_Plugin *TMH_plugin;
@@ -384,9 +378,6 @@ mint_serve_process_config (const char *mint_directory)
{
unsigned long long port;
char *TMH_master_public_key_str;
- char *wireformats;
- const char *token;
- unsigned int len;
cfg = TALER_config_load (mint_directory);
if (NULL == cfg)
@@ -414,35 +405,9 @@ mint_serve_process_config (const char *mint_directory)
(unsigned int) TALER_CURRENCY_LEN);
return GNUNET_SYSERR;
}
- /* Find out list of supported wire formats */
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_string (cfg,
- "mint",
- "wireformat",
- &wireformats))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "mint",
- "wireformat");
+ TMH_VALIDATION_init (cfg))
return GNUNET_SYSERR;
- }
- /* build NULL-terminated array of TMH_expected_wire_formats */
- TMH_expected_wire_formats = GNUNET_new_array (1,
- const char *);
- len = 1;
- for (token = strtok (wireformats,
- " ");
- NULL != token;
- token = strtok (NULL,
- " "))
- {
- /* Grow by 1, appending NULL-terminator */
- GNUNET_array_append (TMH_expected_wire_formats,
- len,
- NULL);
- TMH_expected_wire_formats[len - 2] = GNUNET_strdup (token);
- }
- GNUNET_free (wireformats);
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
@@ -453,6 +418,7 @@ mint_serve_process_config (const char *mint_directory)
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"mint",
"master_public_key");
+ TMH_VALIDATION_done ();
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
@@ -463,6 +429,7 @@ mint_serve_process_config (const char *mint_directory)
fprintf (stderr,
"Invalid master public key given in mint configuration.");
GNUNET_free (TMH_master_public_key_str);
+ TMH_VALIDATION_done ();
return GNUNET_SYSERR;
}
GNUNET_free (TMH_master_public_key_str);
@@ -472,6 +439,7 @@ mint_serve_process_config (const char *mint_directory)
{
fprintf (stderr,
"Failed to initialize DB subsystem\n");
+ TMH_VALIDATION_done ();
return GNUNET_SYSERR;
}
if (GNUNET_YES ==
@@ -496,6 +464,7 @@ mint_serve_process_config (const char *mint_directory)
"mint",
"port",
"port number required");
+ TMH_VALIDATION_done ();
return GNUNET_SYSERR;
}
@@ -505,6 +474,7 @@ mint_serve_process_config (const char *mint_directory)
fprintf (stderr,
"Invalid configuration (value out of range): %llu is not a valid port\n",
port);
+ TMH_VALIDATION_done ();
return GNUNET_SYSERR;
}
serve_port = (uint16_t) port;
@@ -772,6 +742,7 @@ main (int argc,
session);
}
TALER_MINTDB_plugin_unload (TMH_plugin);
+ TMH_VALIDATION_done ();
return (GNUNET_SYSERR == ret) ? 1 : 0;
}
diff --git a/src/mint/taler-mint-httpd.h b/src/mint/taler-mint-httpd.h
index e83dd66f..d45325aa 100644
--- a/src/mint/taler-mint-httpd.h
+++ b/src/mint/taler-mint-httpd.h
@@ -27,6 +27,7 @@
#include <microhttpd.h>
+
/**
* Which currency is used by this mint?
*/
@@ -53,13 +54,6 @@ extern int TMH_test_mode;
extern char *TMH_mint_directory;
/**
- * In which formats does this MINT expect wiring instructions?
- * NULL-terminated array of 0-terminated wire format types,
- * suitable for passing to #TALER_json_validate_wireformat().
- */
-extern const char **TMH_expected_wire_formats;
-
-/**
* Master public key (according to the
* configuration in the mint directory).
*/
diff --git a/src/mint/taler-mint-httpd_admin.c b/src/mint/taler-mint-httpd_admin.c
index 99f25641..e6f186f0 100644
--- a/src/mint/taler-mint-httpd_admin.c
+++ b/src/mint/taler-mint-httpd_admin.c
@@ -24,6 +24,7 @@
#include "taler-mint-httpd_admin.h"
#include "taler-mint-httpd_parsing.h"
#include "taler-mint-httpd_responses.h"
+#include "taler-mint-httpd_validation.h"
/**
@@ -144,8 +145,7 @@ TMH_ADMIN_handler_admin_add_incoming (struct TMH_RequestHandler *rh,
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
if (GNUNET_YES !=
- TALER_json_validate_wireformat (TMH_expected_wire_formats,
- wire))
+ TMH_json_validate_wireformat (wire))
{
GNUNET_break_op (0);
TMH_PARSE_release_data (spec);
diff --git a/src/mint/taler-mint-httpd_deposit.c b/src/mint/taler-mint-httpd_deposit.c
index 0aef4775..40c5a4db 100644
--- a/src/mint/taler-mint-httpd_deposit.c
+++ b/src/mint/taler-mint-httpd_deposit.c
@@ -34,6 +34,7 @@
#include "taler-mint-httpd_deposit.h"
#include "taler-mint-httpd_responses.h"
#include "taler-mint-httpd_keystate.h"
+#include "taler-mint-httpd_validation.h"
/**
@@ -162,8 +163,7 @@ parse_and_handle_deposit_request (struct MHD_Connection *connection,
return MHD_YES; /* failure */
if (GNUNET_YES !=
- TALER_json_validate_wireformat (TMH_expected_wire_formats,
- wire))
+ TMH_json_validate_wireformat (wire))
{
TMH_PARSE_release_data (spec);
return TMH_RESPONSE_reply_arg_unknown (connection,
diff --git a/src/mint/taler-mint-httpd_validation.c b/src/mint/taler-mint-httpd_validation.c
new file mode 100644
index 00000000..461e8875
--- /dev/null
+++ b/src/mint/taler-mint-httpd_validation.c
@@ -0,0 +1,231 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-mint-httpd_validation.c
+ * @brief helpers for calling the wire plugins to validate addresses
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include "taler-mint-httpd_validation.h"
+#include "taler_wire_plugin.h"
+
+
+/**
+ * Information we keep for each plugin.
+ */
+struct Plugin
+{
+
+ /**
+ * We keep plugins in a DLL.
+ */
+ struct Plugin *next;
+
+ /**
+ * We keep plugins in a DLL.
+ */
+ struct Plugin *prev;
+
+ /**
+ * Type of the wireformat.
+ */
+ char *type;
+
+ /**
+ * Pointer to the plugin.
+ */
+ struct TALER_WIRE_Plugin *plugin;
+
+};
+
+/**
+ * Head of DLL of wire plugins.
+ */
+static struct Plugin *wire_head;
+
+/**
+ * Tail of DLL of wire plugins.
+ */
+static struct Plugin *wire_tail;
+
+
+/**
+ * Initialize validation subsystem.
+ *
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success
+ */
+int
+TMH_VALIDATION_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ struct Plugin *p;
+ char *wireformats;
+ char *lib_name;
+ const char *token;
+
+ /* Find out list of supported wire formats */
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "mint",
+ "wireformat",
+ &wireformats))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "mint",
+ "wireformat");
+ return GNUNET_SYSERR;
+ }
+ for (token = strtok (wireformats,
+ " ");
+ NULL != token;
+ token = strtok (NULL,
+ " "))
+ {
+ (void) GNUNET_asprintf (&lib_name,
+ "libtaler_plugin_wire_%s",
+ lib_name);
+ p = GNUNET_new (struct Plugin);
+ p->type = GNUNET_strdup (token);
+ p->plugin = GNUNET_PLUGIN_load (lib_name,
+ (void *) cfg);
+ if (NULL == p->plugin)
+ {
+ GNUNET_free (p);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to load plugin %s\n",
+ lib_name);
+ GNUNET_free (lib_name);
+ TMH_VALIDATION_done ();
+ return GNUNET_SYSERR;
+ }
+ p->plugin->library_name = lib_name;
+ GNUNET_CONTAINER_DLL_insert (wire_head,
+ wire_tail,
+ p);
+ }
+ GNUNET_free (wireformats);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Shutdown validation subsystem.
+ */
+void
+TMH_VALIDATION_done ()
+{
+ struct Plugin *p;
+ char *lib_name;
+
+ while (NULL != (p = wire_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (wire_head,
+ wire_tail,
+ p);
+ lib_name = p->plugin->library_name;
+ GNUNET_assert (NULL == GNUNET_PLUGIN_unload (lib_name,
+ p->plugin));
+ GNUNET_free (lib_name);
+ GNUNET_free (p->type);
+ GNUNET_free (p);
+ }
+}
+
+
+/**
+ * Check if the given wire format JSON object is correctly formatted as
+ * a wire address.
+ *
+ * @param wire the JSON wire format object
+ * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not
+ */
+int
+TMH_json_validate_wireformat (const json_t *wire)
+{
+ const char *stype;
+ json_error_t error;
+ struct Plugin *p;
+
+ if (0 != json_unpack_ex ((json_t *) wire,
+ &error, 0,
+ "{s:s}",
+ "type", &stype))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ for (p=wire_head; NULL != p; p = p->next)
+ if (0 == strcasecmp (p->type,
+ stype))
+ return p->plugin->wire_validate (wire);
+ return GNUNET_NO;
+}
+
+
+/**
+ * Check if we support the given wire method.
+ *
+ * @param type type of wire method to check
+ * @return #GNUNET_YES if the method is supported
+ */
+int
+TMH_VALIDATION_test_method (const char *type)
+{
+ struct Plugin *p;
+
+ for (p=wire_head;NULL != p;p = p->next)
+ if (0 == strcasecmp (type,
+ p->type))
+ return GNUNET_YES;
+ return GNUNET_NO;
+}
+
+
+/**
+ * Obtain supported validation methods as a JSON array,
+ * and as a hash.
+ *
+ * @param[out] h set to the hash of the JSON methods
+ * @return JSON array with the supported validation methods
+ */
+json_t *
+TMH_VALIDATION_get_methods (struct GNUNET_HashCode *h)
+{
+ json_t *methods;
+ struct GNUNET_HashContext *hc;
+ const char *wf;
+ struct Plugin *p;
+
+ methods = json_array ();
+ hc = GNUNET_CRYPTO_hash_context_start ();
+ for (p=wire_head;NULL != p;p = p->next)
+ {
+ wf = p->type;
+ json_array_append_new (methods,
+ json_string (wf));
+ GNUNET_CRYPTO_hash_context_read (hc,
+ wf,
+ strlen (wf) + 1);
+ }
+ GNUNET_CRYPTO_hash_context_finish (hc,
+ h);
+ return methods;
+}
+
+
+/* end of taler-mint-httpd_validation.c */
diff --git a/src/mint/taler-mint-httpd_validation.h b/src/mint/taler-mint-httpd_validation.h
new file mode 100644
index 00000000..f5fb1900
--- /dev/null
+++ b/src/mint/taler-mint-httpd_validation.h
@@ -0,0 +1,76 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-mint-httpd_validation.h
+ * @brief helpers for calling the wire plugins to validate addresses
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MINT_HTTPD_VALIDATION_H
+#define TALER_MINT_HTTPD_VALIDATION_H
+#include <gnunet/gnunet_util_lib.h>
+#include <jansson.h>
+
+
+/**
+ * Initialize validation subsystem.
+ *
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success
+ */
+int
+TMH_VALIDATION_init (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Shutdown validation subsystem.
+ */
+void
+TMH_VALIDATION_done (void);
+
+
+/**
+ * Check if the given wire format JSON object is correctly formatted as
+ * a wire address.
+ *
+ * @param wire the JSON wire format object
+ * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not
+ */
+int
+TMH_json_validate_wireformat (const json_t *wire);
+
+/**
+ * Check if we support the given wire method.
+ *
+ * @param type type of wire method to check
+ * @return #GNUNET_YES if the method is supported
+ */
+int
+TMH_VALIDATION_test_method (const char *type);
+
+
+/**
+ * Obtain supported validation methods as a JSON array,
+ * and as a hash.
+ *
+ * @param[out] h set to the hash of the JSON methods
+ * @return JSON array with the supported validation methods
+ */
+json_t *
+TMH_VALIDATION_get_methods (struct GNUNET_HashCode *h);
+
+
+#endif
diff --git a/src/mint/taler-mint-httpd_wire.c b/src/mint/taler-mint-httpd_wire.c
index 1eb3f6be..020a7e10 100644
--- a/src/mint/taler-mint-httpd_wire.c
+++ b/src/mint/taler-mint-httpd_wire.c
@@ -21,6 +21,7 @@
#include "platform.h"
#include "taler-mint-httpd_keystate.h"
#include "taler-mint-httpd_responses.h"
+#include "taler-mint-httpd_validation.h"
#include "taler-mint-httpd_wire.h"
#include <jansson.h>
@@ -45,24 +46,10 @@ TMH_WIRE_handler_wire (struct TMH_RequestHandler *rh,
struct TALER_MintPublicKeyP pub;
struct TALER_MintSignatureP sig;
json_t *methods;
- struct GNUNET_HashContext *hc;
- unsigned int i;
- const char *wf;
- methods = json_array ();
- hc = GNUNET_CRYPTO_hash_context_start ();
- for (i=0;NULL != (wf = TMH_expected_wire_formats[i]); i++)
- {
- json_array_append_new (methods,
- json_string (wf));
- GNUNET_CRYPTO_hash_context_read (hc,
- wf,
- strlen (wf) + 1);
- }
wsm.purpose.size = htonl (sizeof (wsm));
wsm.purpose.purpose = htonl (TALER_SIGNATURE_MINT_WIRE_TYPES);
- GNUNET_CRYPTO_hash_context_finish (hc,
- &wsm.h_wire_types);
+ methods = TMH_VALIDATION_get_methods (&wsm.h_wire_types);
TMH_KS_sign (&wsm.purpose,
&pub,
&sig);
@@ -97,7 +84,6 @@ TMH_WIRE_handler_wire_test (struct TMH_RequestHandler *rh,
struct MHD_Response *response;
int ret;
char *wire_test_redirect;
- unsigned int i;
response = MHD_create_response_from_buffer (0, NULL,
MHD_RESPMEM_PERSISTENT);
@@ -107,11 +93,7 @@ TMH_WIRE_handler_wire_test (struct TMH_RequestHandler *rh,
return MHD_NO;
}
TMH_RESPONSE_add_global_headers (response);
- for (i=0;NULL != TMH_expected_wire_formats[i];i++)
- if (0 == strcasecmp ("test",
- TMH_expected_wire_formats[i]))
- break;
- if (NULL == TMH_expected_wire_formats[i])
+ if (GNUNET_NO == TMH_VALIDATION_test_method ("test"))
{
/* Return 501: not implemented */
ret = MHD_queue_response (connection,
@@ -165,13 +147,8 @@ TMH_WIRE_handler_wire_sepa (struct TMH_RequestHandler *rh,
char *sepa_wire_file;
int fd;
struct stat sbuf;
- unsigned int i;
- for (i=0;NULL != TMH_expected_wire_formats[i];i++)
- if (0 == strcasecmp ("sepa",
- TMH_expected_wire_formats[i]))
- break;
- if (NULL == TMH_expected_wire_formats[i])
+ if (GNUNET_NO == TMH_VALIDATION_test_method ("sepa"))
{
/* Return 501: not implemented */
response = MHD_create_response_from_buffer (0, NULL,
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 01:57:27 +0000