Fix CERTS_DIR for 'make distcheck' to have the correct path

Author: Andras Fekete

test/include.am

@@ -9,6 +9,8 @@ check_PROGRAMS += test/unit.test
 noinst_PROGRAMS += test/unit.test
 DISTCLEANFILES += test/.libs/unit.test
 
+# Override the 'certs' directory with the toplevel source directory for 'make distcheck' to work
+test_unit_test_CPPFLAGS  = -DCERTS_DIR='"$(abs_top_srcdir)/certs/"'
 test_unit_test_SOURCES = \
 	test/test_aestag.c \
 	test/test_cipher.c \

test/test_ecc.c

@@ -1411,7 +1411,7 @@ int test_ec_load_key(void* data)
     params[0] = OSSL_PARAM_construct_end();
 
     PRINT_MSG("Open ECC private key");
-    ctx = OSSL_STORE_open_ex("./certs/ecc-key.pem", wpLibCtx, NULL, NULL, NULL,
+    ctx = OSSL_STORE_open_ex(CERTS_DIR"ecc-key.pem", wpLibCtx, NULL, NULL, NULL,
         params, NULL, NULL);
     err = ctx == NULL;
     if (err == 0) {
@@ -1446,7 +1446,7 @@ int test_ec_load_cert(void* data)
     params[0] = OSSL_PARAM_construct_end();
 
     PRINT_MSG("Open certificate with ECC public key");
-    ctx = OSSL_STORE_open_ex("./certs/server-ecc.pem", wpLibCtx, NULL, NULL,
+    ctx = OSSL_STORE_open_ex(CERTS_DIR"server-ecc.pem", wpLibCtx, NULL, NULL,
         NULL, params, NULL, NULL);
     err = ctx == NULL;
     if (err == 0) {

test/test_rsa.c

@@ -749,7 +749,7 @@ int test_rsa_load_key(void* data)
     params[0] = OSSL_PARAM_construct_end();
 
     PRINT_MSG("Open RSA private key");
-    ctx = OSSL_STORE_open_ex("./certs/server-key.pem", wpLibCtx, NULL, NULL,
+    ctx = OSSL_STORE_open_ex(CERTS_DIR"server-key.pem", wpLibCtx, NULL, NULL,
         NULL, params, NULL, NULL);
     err = ctx == NULL;
     if (err == 0) {
@@ -784,7 +784,7 @@ int test_rsa_load_cert(void* data)
     params[0] = OSSL_PARAM_construct_end();
 
     PRINT_MSG("Open certificate with RSA public key");
-    ctx = OSSL_STORE_open_ex("./certs/server-cert.pem", wpLibCtx, NULL, NULL,
+    ctx = OSSL_STORE_open_ex(CERTS_DIR"server-cert.pem", wpLibCtx, NULL, NULL,
         NULL, params, NULL, NULL);
     err = ctx == NULL;
     if (err == 0) {

test/unit.h

@@ -62,6 +62,10 @@ void print_buffer(const char *desc, const unsigned char *buffer, size_t len);
 #define TEST_DECL(func, data)        { #func, func, data, 0, 0, 0 }
 #endif
 
+#ifndef CERTS_DIR
+#define CERTS_DIR "./certs/"
+#endif
+
 typedef int (*TEST_FUNC)(void *data);
 typedef struct TEST_CASE {
     const char   *name;