Diff: sasl_mechanism.c

Revision:

0:6ae2f7bca550

Child:

6:641a9672db08

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sasl_mechanism.c	Fri Apr 08 12:01:10 2016 -0700
@@ -0,0 +1,144 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#include <stdlib.h>
+#ifdef _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#endif
+#include "azure_uamqp_c/sasl_mechanism.h"
+#include "azure_uamqp_c/amqpalloc.h"
+
+typedef struct SASL_MECHANISM_INSTANCE_TAG
+{
+	const SASL_MECHANISM_INTERFACE_DESCRIPTION* sasl_mechanism_interface_description;
+	CONCRETE_SASL_MECHANISM_HANDLE concrete_sasl_mechanism_handle;
+} SASL_MECHANISM_INSTANCE;
+
+SASL_MECHANISM_HANDLE saslmechanism_create(const SASL_MECHANISM_INTERFACE_DESCRIPTION* sasl_mechanism_interface_description, void* sasl_mechanism_create_parameters)
+{
+	SASL_MECHANISM_INSTANCE* sasl_mechanism_instance;
+
+	/* Codes_SRS_SASL_MECHANISM_01_004: [If the argument sasl_mechanism_interface_description is NULL, saslmechanism_create shall return NULL.] */
+	if ((sasl_mechanism_interface_description == NULL) ||
+		/* Codes_SRS_SASL_MECHANISM_01_005: [If any sasl_mechanism_interface_description member is NULL, sasl_mechanism_create shall fail and return NULL.] */
+		(sasl_mechanism_interface_description->concrete_sasl_mechanism_create == NULL) ||
+		(sasl_mechanism_interface_description->concrete_sasl_mechanism_destroy == NULL) ||
+		(sasl_mechanism_interface_description->concrete_sasl_mechanism_get_init_bytes == NULL) ||
+		(sasl_mechanism_interface_description->concrete_sasl_mechanism_get_mechanism_name == NULL))
+	{
+		sasl_mechanism_instance = NULL;
+	}
+	else
+	{
+		sasl_mechanism_instance = (SASL_MECHANISM_INSTANCE*)amqpalloc_malloc(sizeof(SASL_MECHANISM_INSTANCE));
+
+		if (sasl_mechanism_instance != NULL)
+		{
+			sasl_mechanism_instance->sasl_mechanism_interface_description = sasl_mechanism_interface_description;
+
+			/* Codes_SRS_SASL_MECHANISM_01_002: [In order to instantiate the concrete SASL mechanism implementation the function concrete_sasl_mechanism_create from the sasl_mechanism_interface_description shall be called, passing the sasl_mechanism_create_parameters to it.] */
+			sasl_mechanism_instance->concrete_sasl_mechanism_handle = sasl_mechanism_instance->sasl_mechanism_interface_description->concrete_sasl_mechanism_create((void*)sasl_mechanism_create_parameters);
+			if (sasl_mechanism_instance->concrete_sasl_mechanism_handle == NULL)
+			{
+				/* Codes_SRS_SASL_MECHANISM_01_003: [If the underlying concrete_sasl_mechanism_create call fails, saslmechanism_create shall return NULL.] */
+				amqpalloc_free(sasl_mechanism_instance);
+				sasl_mechanism_instance = NULL;
+			}
+		}
+	}
+
+	/* Codes_SRS_SASL_MECHANISM_01_001: [saslmechanism_create shall return on success a non-NULL handle to a new SASL mechanism interface.] */
+	return (SASL_MECHANISM_HANDLE)sasl_mechanism_instance;
+}
+
+void saslmechanism_destroy(SASL_MECHANISM_HANDLE sasl_mechanism)
+{
+	if (sasl_mechanism != NULL)
+	{
+		SASL_MECHANISM_INSTANCE* sasl_mechanism_instance = (SASL_MECHANISM_INSTANCE*)sasl_mechanism;
+
+		/* Codes_SRS_SASL_MECHANISM_01_008: [saslmechanism_destroy shall also call the concrete_sasl_mechanism_destroy function that is member of the sasl_mechanism_interface_description argument passed to saslmechanism_create, while passing as argument to concrete_sasl_mechanism_destroy the result of the underlying concrete SASL mechanism handle.] */
+		sasl_mechanism_instance->sasl_mechanism_interface_description->concrete_sasl_mechanism_destroy(sasl_mechanism_instance->concrete_sasl_mechanism_handle);
+
+		/* Codes_SRS_SASL_MECHANISM_01_007: [saslmechanism_destroy shall free all resources associated with the SASL mechanism handle.] */
+		amqpalloc_free(sasl_mechanism_instance);
+	}
+}
+
+int saslmechanism_get_init_bytes(SASL_MECHANISM_HANDLE sasl_mechanism, SASL_MECHANISM_BYTES* init_bytes)
+{
+	int result;
+
+	/* Codes_SRS_SASL_MECHANISM_01_012: [If the argument sasl_mechanism is NULL, saslmechanism_get_init_bytes shall fail and return a non-zero value.] */
+	if (sasl_mechanism == NULL)
+	{
+		result = __LINE__;
+	}
+	else
+	{
+		SASL_MECHANISM_INSTANCE* sasl_mechanism_instance = (SASL_MECHANISM_INSTANCE*)sasl_mechanism;
+
+		/* Codes_SRS_SASL_MECHANISM_01_010: [saslmechanism_get_init_bytes shall call the specific concrete_sasl_mechanism_get_init_bytes function specified in saslmechanism_create, passing the init_bytes argument to it.] */
+		if (sasl_mechanism_instance->sasl_mechanism_interface_description->concrete_sasl_mechanism_get_init_bytes(sasl_mechanism_instance->concrete_sasl_mechanism_handle, init_bytes) != 0)
+		{
+			/* Codes_SRS_SASL_MECHANISM_01_013: [If the underlying concrete_sasl_mechanism_get_init_bytes fails, saslmechanism_get_init_bytes shall fail and return a non-zero value.] */
+			result = __LINE__;
+		}
+		else
+		{
+			/* Codes_SRS_SASL_MECHANISM_01_011: [On success, saslmechanism_get_init_bytes shall return 0.] */
+			result = 0;
+		}
+	}
+
+	return result;
+}
+
+const char* saslmechanism_get_mechanism_name(SASL_MECHANISM_HANDLE sasl_mechanism)
+{
+	const char* result;
+
+	/* Codes_SRS_SASL_MECHANISM_01_016: [If the argument sasl_mechanism is NULL, saslmechanism_get_mechanism_name shall fail and return a non-zero value.] */
+	if (sasl_mechanism == NULL)
+	{
+		result = NULL;
+	}
+	else
+	{
+		SASL_MECHANISM_INSTANCE* sasl_mechanism_instance = (SASL_MECHANISM_INSTANCE*)sasl_mechanism;
+
+		/* Codes_SRS_SASL_MECHANISM_01_014: [saslmechanism_get_mechanism_name shall call the specific concrete_sasl_mechanism_get_mechanism_name function specified in saslmechanism_create.] */
+		/* Codes_SRS_SASL_MECHANISM_01_015: [On success, saslmechanism_get_mechanism_name shall return a pointer to a string with the mechanism name.] */
+		/* Codes_SRS_SASL_MECHANISM_01_017: [If the underlying concrete_sasl_mechanism_get_mechanism_name fails, saslmechanism_get_mechanism_name shall return NULL.] */
+		result = sasl_mechanism_instance->sasl_mechanism_interface_description->concrete_sasl_mechanism_get_mechanism_name(sasl_mechanism_instance->concrete_sasl_mechanism_handle);
+	}
+
+	return result;
+}
+
+int saslmechanism_challenge(SASL_MECHANISM_HANDLE sasl_mechanism, const SASL_MECHANISM_BYTES* challenge_bytes, SASL_MECHANISM_BYTES* response_bytes)
+{
+	int result;
+
+	/* Codes_SRS_SASL_MECHANISM_01_020: [If the argument sasl_mechanism is NULL, saslmechanism_challenge shall fail and return a non-zero value.] */
+	if (sasl_mechanism == NULL)
+	{
+		result = __LINE__;
+	}
+	else
+	{
+		/* Codes_SRS_SASL_MECHANISM_01_018: [saslmechanism_challenge shall call the specific concrete_sasl_mechanism_challenge function specified in saslmechanism_create, while passing the challenge_bytes and response_bytes arguments to it.] */
+		if (sasl_mechanism->sasl_mechanism_interface_description->concrete_sasl_mechanism_challenge(sasl_mechanism->concrete_sasl_mechanism_handle, challenge_bytes, response_bytes) != 0)
+		{
+			/* Codes_SRS_SASL_MECHANISM_01_021: [If the underlying concrete_sasl_mechanism_challenge fails, saslmechanism_challenge shall fail and return a non-zero value.] */
+			result = __LINE__;
+		}
+		else
+		{
+			/* Codes_SRS_SASL_MECHANISM_01_019: [On success, saslmechanism_challenge shall return 0.] */
+			result = 0;
+		}
+	}
+
+	return result;
+}
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