TT#111150 Fix memory leaks in unit tests

Change-Id: Id0981af0c01f3a5c6f27435f7f92d3da90bf278e

include/crypto.h

@@ -138,6 +138,11 @@ INLINE int crypto_decrypt_rtcp(struct crypto_context *c, struct rtcp_packet *rtc
 INLINE int crypto_init_session_key(struct crypto_context *c) {
 	return c->params.crypto_suite->session_key_init(c);
 }
+INLINE int crypto_cleanup_session_key(struct crypto_context *c) {
+	if (c->params.crypto_suite->session_key_cleanup)
+		return c->params.crypto_suite->session_key_cleanup(c);
+	return 0;
+}
 
 INLINE void crypto_params_cleanup(struct crypto_params *p) {
 	if (p->mki)
@@ -148,8 +153,7 @@ INLINE void crypto_cleanup(struct crypto_context *c) {
 	crypto_params_cleanup(&c->params);
 	if (!c->params.crypto_suite)
 		return;
-	if (c->params.crypto_suite->session_key_cleanup)
-		c->params.crypto_suite->session_key_cleanup(c);
+	crypto_cleanup_session_key(c);
 	c->have_session_key = 0;
 	c->params.crypto_suite = NULL;
 }

t/aead-aes-crypt.c

@@ -165,6 +165,8 @@ int main(void)
 	assert(memcmp(working, srtcp_pt, 52) == 0);
 	printf("RTCP/AEAD-AES-128-GCM Decrypt - PASS\n");
 
+	crypto_cleanup_session_key(&ctx);
+
 	// AES 256
 	str_init(&suite, "AEAD_AES_256_GCM");
 	c = crypto_find_suite(&suite);
@@ -220,4 +222,6 @@ int main(void)
 	assert(rc == 0 && payload.len == 44);
 	assert(memcmp(working, srtcp_pt, 52) == 0);
 	printf("RTCP/AEAD-AES-256-GCM Decrypt - PASS\n");
+
+	crypto_cleanup_session_key(&ctx);
 }

t/aes-crypt.c

@@ -234,6 +234,9 @@ int main(int argc, char** argv) {
 	c = crypto_find_suite(&suite);
 	assert(c);
 
+	crypto_cleanup_session_key(&ctx);
+	crypto_cleanup_session_key(&ctx2);
+
 	memset(&ctx, 0, sizeof(ctx));
 	ctx.params.crypto_suite = c;
 	memcpy(ctx.params.master_key, test_key, 24);
@@ -257,6 +260,9 @@ int main(int argc, char** argv) {
 	c = crypto_find_suite(&suite);
 	assert(c);
 
+	crypto_cleanup_session_key(&ctx);
+	crypto_cleanup_session_key(&ctx2);
+
 	memset(&ctx, 0, sizeof(ctx));
 	ctx.params.crypto_suite = c;
 	memcpy(ctx.params.master_key, test_key, 32);
@@ -276,6 +282,8 @@ int main(int argc, char** argv) {
 	srtp_validate(&ctx, &ctx2, "SRTP AES-CM-256", rtp_plaintext_ref, srtp_ciphertext_256,
 		      rtcp_plaintext_ref, srtcp_ciphertext_256);
 
+	crypto_cleanup_session_key(&ctx);
+	crypto_cleanup_session_key(&ctx2);
 
 	memset(&ctx, 0, sizeof(ctx));
 	ctx.params.crypto_suite = c;
@@ -288,4 +296,5 @@ int main(int argc, char** argv) {
 	srtp_validate(&ctx, NULL, "extra AES-CM-256", aes_256_rtp_plaintext_ref, aes_256_srtp_ciphertext,
 		      NULL, NULL);
 
+	crypto_cleanup_session_key(&ctx);
 }

t/test-dtmf-detect.c

@@ -646,5 +646,7 @@ int main(int argc, char **argv) {
 				"code 0 level -99 delay 816, "))
 		abort();
 
+	dtmf_rx_free(dtmf_dsp);
+
 	return 0;
 }