mod_http_cache: added native Amazon S3 support

src/mod/applications/mod_http_cache/Makefile

 BASE=../../../..
 
+LOCAL_OBJS= \
+	aws.o
+LOCAL_SOURCES=	\
+	aws.c
+
 include $(BASE)/build/modmake.rules
 

src/mod/applications/mod_http_cache/aws.c

+/*
+ * aws.c for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2013, Grasshopper
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is aws.c for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is Grasshopper
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Chris Rienzo <chris.rienzo@grasshopper.com>
+ *
+ * aws.c -- Some Amazon Web Services helper functions
+ *
+ */
+#include "aws.h"
+#include <switch.h>
+
+#if defined(HAVE_OPENSSL)
+#include <openssl/hmac.h>
+#include <openssl/sha.h>
+#endif
+
+/* 160 bits / 8 bits per byte */
+#define SHA1_LENGTH 20
+
+/**
+ * @param url to check
+ * @return true if this is an S3 url
+ */
+int aws_s3_is_s3_url(const char *url)
+{
+	/* AWS bucket naming rules are complex... this match only supports virtual hosting of buckets */
+	return !zstr(url) && switch_regex_match(url, "^https?://[a-z0-9][-a-z0-9.]{1,61}[a-z0-9]\\.s3\\.amazonaws\\.com/.*$") == SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Create the string to sign for a AWS signature calculation
+ * @param verb (PUT/GET)
+ * @param bucket bucket object is stored in
+ * @param object to access (filename.ext)
+ * @param content_type optional content type
+ * @param content_md5 optional content MD5 checksum
+ * @param date header
+ * @return the string_to_sign (must be freed)
+ */
+char *aws_s3_string_to_sign(const char *verb, const char *bucket, const char *object, const char *content_type, const char *content_md5, const char *date)
+{
+	/*
+	 * String to sign has the following format:
+	 *   <HTTP-VERB>\n<Content-MD5>\n<Content-Type>\n<Expires/Date>\n/bucket/object
+	 */
+	return switch_mprintf("%s\n%s\n%s\n%s\n/%s/%s",
+		verb, content_md5 ? content_md5 : "", content_type ? content_type : "",
+		date, bucket, object);
+}
+
+/**
+ * Create the AWS S3 signature
+ * @param signature buffer to store the signature
+ * @param signature_length length of signature buffer
+ * @param string_to_sign
+ * @param aws_secret_access_key secret access key
+ * @return the signature buffer or NULL if missing input
+ */
+char *aws_s3_signature(char *signature, int signature_length, const char *string_to_sign, const char *aws_secret_access_key)
+{
+#if defined(HAVE_OPENSSL)
+	unsigned int signature_raw_length = SHA1_LENGTH;
+	char signature_raw[SHA1_LENGTH];
+	signature_raw[0] = '\0';
+	if (!signature || signature_length <= 0) {
+		return NULL;
+	}
+	if (zstr(aws_secret_access_key)) {
+		return NULL;
+	}
+	if (!string_to_sign) {
+		string_to_sign = "";
+	}
+	HMAC(EVP_sha1(),
+		 aws_secret_access_key,
+		 strlen(aws_secret_access_key),
+		 (const unsigned char *)string_to_sign,
+		 strlen(string_to_sign),
+		 (unsigned char *)signature_raw,
+		 &signature_raw_length);
+
+	/* convert result to base64 */
+	memset(signature, 0, signature_length);
+	switch_b64_encode((unsigned char *)signature_raw, signature_raw_length, (unsigned char *)signature, signature_length);
+#endif
+	return signature;
+}
+
+/**
+ * Parse bucket and object from URL
+ * @param url to parse.  This value is modified.
+ * @param bucket to store result in
+ * @param bucket_length of result buffer
+ */
+void aws_s3_parse_url(char *url, char **bucket, char **object)
+{
+	char *bucket_start;
+	char *bucket_end;
+	char *object_start;
+
+	*bucket = NULL;
+	*object = NULL;
+
+	if (!aws_s3_is_s3_url(url)) {
+		return;
+	}
+
+	/* expect: http(s)://bucket.s3.amazonaws.com/object */
+ 	bucket_start = strstr(url, "://");
+	if (!bucket_start) {
+		/* invalid URL */
+		return;
+	}
+	bucket_start += 3;
+
+	bucket_end = strchr(bucket_start, '.');
+	if (!bucket_end) {
+		/* invalid URL */
+		return;
+	}
+	*bucket_end = '\0';
+
+	object_start = strchr(bucket_end + 1, '/');
+	if (!object_start) {
+		/* invalid URL */
+		return;
+	}
+	object_start++;
+
+	if (strchr(object_start, '/')) {
+		/* invalid URL */
+		return;
+	}
+
+	if (zstr(bucket_start) || zstr(object_start)) {
+		/* invalid URL */
+		return;
+	}
+
+	*bucket = bucket_start;
+	*object = object_start;
+}
+
+/**
+ * Create a pre-signed URL for AWS S3
+ * @param verb (PUT/GET)
+ * @param url address (virtual-host-style)
+ * @param content_type optional content type
+ * @param content_md5 optional content MD5 checksum
+ * @param aws_access_key_id secret access key identifier
+ * @param aws_secret_access_key secret access key
+ * @param expires seconds since the epoch
+ * @return presigned_url
+ */
+char *aws_s3_presigned_url_create(const char *verb, const char *url, const char *content_type, const char *content_md5, const char *aws_access_key_id, const char *aws_secret_access_key, const char *expires)
+{
+	char signature[S3_SIGNATURE_LENGTH_MAX];
+	char signature_url_encoded[S3_SIGNATURE_LENGTH_MAX];
+	char *string_to_sign;
+	char *url_dup = strdup(url);
+	char *bucket;
+	char *object;
+
+	/* create URL encoded signature */
+	aws_s3_parse_url(url_dup, &bucket, &object);
+	string_to_sign = aws_s3_string_to_sign(verb, bucket, object, content_type, content_md5, expires);
+	signature[0] = '\0';
+	aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, string_to_sign, aws_secret_access_key);
+	switch_url_encode(signature, signature_url_encoded, S3_SIGNATURE_LENGTH_MAX);
+	free(string_to_sign);
+	free(url_dup);
+
+	/* create the presigned URL */
+	return switch_mprintf("%s?Signature=%s&Expires=%s&AWSAccessKeyId=%s", url, signature_url_encoded, expires, aws_access_key_id);
+}
+
+/**
+ * Create an authentication signature for AWS S3
+ * @param authentication buffer to store result
+ * @param authentication_length maximum result length
+ * @param verb (PUT/GET)
+ * @param url address (virtual-host-style)
+ * @param content_type optional content type
+ * @param content_md5 optional content MD5 checksum
+ * @param aws_access_key_id secret access key identifier
+ * @param aws_secret_access_key secret access key
+ * @param date header
+ * @return signature for Authorization header
+ */
+char *aws_s3_authentication_create(const char *verb, const char *url, const char *content_type, const char *content_md5, const char *aws_access_key_id, const char *aws_secret_access_key, const char *date)
+{
+	char signature[S3_SIGNATURE_LENGTH_MAX];
+	char *string_to_sign;
+	char *url_dup = strdup(url);
+	char *bucket;
+	char *object;
+
+	/* create base64 encoded signature */
+	aws_s3_parse_url(url_dup, &bucket, &object);
+	string_to_sign = aws_s3_string_to_sign(verb, bucket, object, content_type, content_md5, date);
+	signature[0] = '\0';
+	aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, string_to_sign, aws_secret_access_key);
+	free(string_to_sign);
+	free(url_dup);
+
+	return switch_mprintf("AWS %s:%s", aws_access_key_id, signature);
+}
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4
+ */

src/mod/applications/mod_http_cache/aws.h

+/*
+ * aws.h for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2013, Grasshopper
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is aws.h for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is Grasshopper
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Chris Rienzo <chris.rienzo@grasshopper.com>
+ *
+ * aws.h - Some Amazon Web Services helper functions
+ *
+ */
+#ifndef AWS_H
+#define AWS_H
+
+#include <switch.h>
+
+/* (SHA1_LENGTH * 1.37 base64 bytes per byte * 3 url-encoded bytes per byte) */
+#define S3_SIGNATURE_LENGTH_MAX 83
+
+int aws_s3_is_s3_url(const char *url);
+void aws_s3_parse_url(char *url, char **bucket, char **object);
+char *aws_s3_string_to_sign(const char *verb, const char *bucket, const char *object, const char *content_type, const char *content_md5, const char *date);
+char *aws_s3_signature(char *signature, int signature_length, const char *string_to_sign, const char *aws_secret_access_key);
+char *aws_s3_presigned_url_create(const char *verb, const char *url, const char *content_type, const char *content_md5, const char *aws_access_key_id, const char *aws_secret_access_key, const char *expires);
+char *aws_s3_authentication_create(const char *verb, const char *url, const char *content_type, const char *content_md5, const char *aws_access_key_id, const char *aws_secret_access_key, const char *date);
+
+#endif
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4
+ */

src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml

@@ -9,4 +9,19 @@
     <param name="ssl-verifyhost" value="true"/>
     <param name="ssl-verifypeer" value="true"/>
   </settings>
+
+  <profiles>
+    <profile name="s3">
+       <!-- Credentials for AWS account.  Reference by name when sending HTTP request -->
+       <!-- http_get {profile=s3}http://bucket.s3.amazonaws.com/object.wav -->
+       <!-- http_put {profile=s3}http://bucket.s3.amazonaws.com/object.wav /tmp/file.wav -->
+       <aws-s3>
+          <!-- 20 character key identifier -->
+          <access-key-id><![CDATA[AKIAIOSFODNN7EXAMPLE]]></access-key-id>
+          <!-- 40 character secret -->
+          <secret-access-key><![CDATA[wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY]]></secret-access-key>
+       <aws-s3>
+    </profile>
+  </profiles>
+
 </configuration>

src/mod/applications/mod_http_cache/test_aws/Makefile

+BASE=../../../../..
+
+LOCAL_CFLAGS += -I../ -I./
+LOCAL_OBJS= main.o ../aws.o
+LOCAL_SOURCES= main.c
+include $(BASE)/build/modmake.rules
+
+local_all:
+	libtool --mode=link gcc main.o ../aws.o -o test test_aws.la
+
+local_clean:
+	-rm test

src/mod/applications/mod_http_cache/test_aws/main.c

+
+
+#include <switch.h>
+#include "test.h"
+#include "aws.h"
+
+/**
+ * Test string to sign generation
+ */
+static void test_string_to_sign(void)
+{
+	ASSERT_STRING_EQUALS("GET\n\n\nFri, 17 May 2013 19:35:26 GMT\n/rienzo-vault/troporocks.mp3", aws_s3_string_to_sign("GET", "rienzo-vault", "troporocks.mp3", "", "", "Fri, 17 May 2013 19:35:26 GMT"));
+	ASSERT_STRING_EQUALS("GET\nc8fdb181845a4ca6b8fec737b3581d76\naudio/mpeg\nThu, 17 Nov 2005 18:49:58 GMT\n/foo/man.chu", aws_s3_string_to_sign("GET", "foo", "man.chu", "audio/mpeg", "c8fdb181845a4ca6b8fec737b3581d76", "Thu, 17 Nov 2005 18:49:58 GMT"));
+	ASSERT_STRING_EQUALS("\n\n\n\n//", aws_s3_string_to_sign("", "", "", "", "", ""));
+	ASSERT_STRING_EQUALS("\n\n\n\n//", aws_s3_string_to_sign(NULL, NULL, NULL, NULL, NULL, NULL));
+}
+
+/**
+ * Test signature generation
+ */
+static void test_signature(void)
+{
+	char signature[S3_SIGNATURE_LENGTH_MAX];
+	signature[0] = '\0';
+	ASSERT_STRING_EQUALS("weGrLrc9HDlkYPTepVl0A9VYNlw=", aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "GET\n\n\nFri, 17 May 2013 19:35:26 GMT\n/rienzo-vault/troporocks.mp3", "hOIZt1oeTX1JzINOMBoKf0BxONRZNQT1J8gIznLx"));
+	ASSERT_STRING_EQUALS("jZNOcbfWmD/A/f3hSvVzXZjM2HU=", aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "PUT\nc8fdb181845a4ca6b8fec737b3581d76\ntext/html\nThu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\nx-amz-meta-author:foo@bar.com\n/quotes/nelson", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	ASSERT_STRING_EQUALS("5m+HAmc5JsrgyDelh9+a2dNrzN8=", aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "GET\n\n\n\nx-amz-date:Thu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\n/quotes/nelson", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	ASSERT_STRING_EQUALS("OKA87rVp3c4kd59t8D3diFmTfuo=", aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	ASSERT_STRING_EQUALS("OKA87rVp3c4kd59t8D3diFmTfuo=", aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, NULL, "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	ASSERT_NULL(aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "GET\n\n\n\nx-amz-date:Thu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\n/quotes/nelson", ""));
+	ASSERT_NULL(aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, "", ""));
+	ASSERT_NULL(aws_s3_signature(signature, S3_SIGNATURE_LENGTH_MAX, NULL, NULL));
+	ASSERT_NULL(aws_s3_signature(NULL, S3_SIGNATURE_LENGTH_MAX, "PUT\nc8fdb181845a4ca6b8fec737b3581d76\ntext/html\nThu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\nx-amz-meta-author:foo@bar.com\n/quotes/nelson", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	ASSERT_NULL(aws_s3_signature(signature, 0, "PUT\nc8fdb181845a4ca6b8fec737b3581d76\ntext/html\nThu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\nx-amz-meta-author:foo@bar.com\n/quotes/nelson", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+	/* TODO freeswitch bug... */
+	//ASSERT_STRING_EQUALS("jZNO", aws_s3_signature(signature, 5, "PUT\nc8fdb181845a4ca6b8fec737b3581d76\ntext/html\nThu, 17 Nov 2005 18:49:58 GMT\nx-amz-magic:abracadabra\nx-amz-meta-author:foo@bar.com\n/quotes/nelson", "OtxrzxIsfpFjA7SwPzILwy8Bw21TLhquhboDYROV"));
+}
+
+/**
+ * Test amazon URL detection
+ */
+static void test_check_url(void)
+{
+	ASSERT_TRUE(aws_s3_is_s3_url("http://bucket.s3.amazonaws.com/object.ext"));
+	ASSERT_TRUE(aws_s3_is_s3_url("http://bucket.s3.amazonaws.com/object"));
+	ASSERT_TRUE(aws_s3_is_s3_url("http://red.bucket.s3.amazonaws.com/object.ext"));
+	ASSERT_TRUE(aws_s3_is_s3_url("https://bucket.s3.amazonaws.com/object.ext"));
+	ASSERT_TRUE(aws_s3_is_s3_url("https://bucket.s3.amazonaws.com/object"));
+	ASSERT_FALSE(aws_s3_is_s3_url("bucket.s3.amazonaws.com/object.ext"));
+	ASSERT_FALSE(aws_s3_is_s3_url("https://s3.amazonaws.com/bucket/object"));
+	ASSERT_FALSE(aws_s3_is_s3_url("http://s3.amazonaws.com/bucket/object"));
+	ASSERT_FALSE(aws_s3_is_s3_url("http://google.com/"));
+	ASSERT_FALSE(aws_s3_is_s3_url("http://phono.com/audio/troporocks.mp3"));
+	ASSERT_FALSE(aws_s3_is_s3_url(""));
+	ASSERT_FALSE(aws_s3_is_s3_url(NULL));
+}
+
+/**
+ * Test bucket/object extraction from URL
+ */
+static void test_parse_url(void)
+{
+	char *bucket;
+	char *object;
+	aws_s3_parse_url(strdup("http://quotes.s3.amazonaws.com/nelson"), &bucket, &object);
+	ASSERT_STRING_EQUALS("quotes", bucket);
+	ASSERT_STRING_EQUALS("nelson", object);
+
+	aws_s3_parse_url(strdup("https://quotes.s3.amazonaws.com/nelson.mp3"), &bucket, &object);
+	ASSERT_STRING_EQUALS("quotes", bucket);
+	ASSERT_STRING_EQUALS("nelson.mp3", object);
+
+	aws_s3_parse_url(strdup("http://s3.amazonaws.com/quotes/nelson"), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(strdup("http://quotes/quotes/nelson"), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(strdup("http://quotes.s3.amazonaws.com/"), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(strdup("http://quotes.s3.amazonaws.com"), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(strdup("http://quotes"), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(strdup(""), &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+
+	aws_s3_parse_url(NULL, &bucket, &object);
+	ASSERT_NULL(bucket);
+	ASSERT_NULL(object);
+}
+
+/**
+ * Test Authorization header creation
+ */
+static void test_authorization_header(void)
+{
+	ASSERT_STRING_EQUALS("AWS AKIAIOSFODNN7EXAMPLE:YJkomOaqUJlvEluDq4fpusID38Y=", aws_s3_authentication_create("GET", "https://vault.s3.amazonaws.com/awesome.mp3", "audio/mpeg", "", "AKIAIOSFODNN7EXAMPLE", "0123456789012345678901234567890123456789", "1234567890"));
+}
+
+/**
+ * Test pre-signed URL creation
+ */
+static void test_presigned_url(void)
+{
+	ASSERT_STRING_EQUALS("https://vault.s3.amazonaws.com/awesome.mp3?Signature=YJkomOaqUJlvEluDq4fpusID38Y%3D&Expires=1234567890&AWSAccessKeyId=AKIAIOSFODNN7EXAMPLE", aws_s3_presigned_url_create("GET", "https://vault.s3.amazonaws.com/awesome.mp3", "audio/mpeg", "", "AKIAIOSFODNN7EXAMPLE", "0123456789012345678901234567890123456789", "1234567890"));
+}
+
+/**
+ * main program
+ */
+int main(int argc, char **argv)
+{
+	TEST_INIT
+	TEST(test_string_to_sign);
+	TEST(test_signature);
+	TEST(test_check_url);
+	TEST(test_parse_url);
+	TEST(test_authorization_header);
+	TEST(test_presigned_url);
+	return 0;
+}

src/mod/applications/mod_http_cache/test_aws/test.h

+/*
+ * test.h for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2013, Grasshopper
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is test.h for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is Grasshopper
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Chris Rienzo <chris.rienzo@grasshopper.com>
+ *
+ * test.h -- simple unit testing macros
+ *
+ */
+#ifndef TEST_H
+#define TEST_H
+
+#define assert_equals(test, expected_str, expected, actual, file, line) \
+{ \
+	int actual_val = actual; \
+	if (expected != actual_val) { \
+		printf("TEST\t%s\tFAIL\t%s\t%i\t!=\t%i\t%s:%i\n", test, expected_str, expected, actual_val, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define assert_string_equals(test, expected, actual, file, line) \
+{ \
+	const char *actual_str = actual; \
+	if (!actual_str || strcmp(expected, actual_str)) { \
+		printf("TEST\t%s\tFAIL\t\t%s\t!=\t%s\t%s:%i\n", test, expected, actual_str, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define assert_not_null(test, actual, file, line) \
+{ \
+	const void *actual_val = actual; \
+	if (!actual_val) { \
+		printf("TEST\t%s\tFAIL\t\t\t\t\t%s:%i\n", test, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define assert_null(test, actual, file, line) \
+{ \
+	const void *actual_val = actual; \
+	if (actual_val) { \
+		printf("TEST\t%s\tFAIL\t\t\t\t\t%s:%i\n", test, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define assert_true(test, actual, file, line) \
+{ \
+	int actual_val = actual; \
+	if (!actual_val) { \
+		printf("TEST\t%s\tFAIL\t\t\t\t\t%s:%i\n", test, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define assert_false(test, actual, file, line) \
+{ \
+	int actual_val = actual; \
+	if (actual_val) { \
+		printf("TEST\t%s\tFAIL\t\t\t\t\t%s:%i\n", test, file, line); \
+		exit(1); \
+	} else { \
+		printf("TEST\t%s\tPASS\n", test); \
+	} \
+}
+
+#define ASSERT_EQUALS(expected, actual) assert_equals(#actual, #expected, expected, actual, __FILE__, __LINE__)
+#define ASSERT_STRING_EQUALS(expected, actual) assert_string_equals(#actual, expected, actual, __FILE__, __LINE__)
+#define ASSERT_NOT_NULL(actual) assert_not_null(#actual " not null", actual, __FILE__, __LINE__)
+#define ASSERT_NULL(actual) assert_null(#actual " is null", actual, __FILE__, __LINE__)
+#define ASSERT_TRUE(actual) assert_true(#actual " is true", actual, __FILE__, __LINE__)
+#define ASSERT_FALSE(actual) assert_false(#actual " is false", actual, __FILE__, __LINE__)
+
+#define SKIP_ASSERT_EQUALS(expected, actual) if (0) { ASSERT_EQUALS(expected, actual); }
+
+#define TEST(name) printf("TEST BEGIN\t" #name "\n"); name(); printf("TEST END\t"#name "\tPASS\n");
+
+#define SKIP_TEST(name) if (0) { TEST(name) };
+
+#define TEST_INIT const char *err; switch_core_init(0, SWITCH_TRUE, &err);
+
+#endif

src/mod/applications/mod_http_cache/test_aws/test_aws.c

+int dummy(int i)
+{
+	return 0;
+}
+
+