[dnssec] add tests for low-level PKCS #8 directory store

dnssec/tests/Makefile.am

@@ -18,6 +18,7 @@ check_PROGRAMS = \
 	random		\
 	sign		\
 	sign_der	\
+	store_pkcs8_dir \
 	wire
 
 check-compile-only: $(check_PROGRAMS)

dnssec/tests/store_pkcs8_dir.c

+#include <stdio.h>
+#include <tap/basic.h>
+#include <unistd.h>
+
+#include "binary.h"
+#include "error.h"
+#include "key.h"
+#include "pkcs8.h"
+
+typedef struct test_pem {
+	dnssec_key_id_t id;
+	dnssec_binary_t data;
+} test_pem_t;
+
+const test_pem_t TEST_PEM_A = {
+	{ 0x7b, 0x0c, 0x9f, 0x6a, 0x59, 0xb1, 0xc7, 0x6b, 0x26, 0xed,
+	  0x93, 0xea, 0x86, 0x84, 0xf3, 0x00, 0x82, 0x1e, 0xee, 0x41 },
+	{ .size = 5, .data = (uint8_t *)"hello" }
+};
+
+const test_pem_t TEST_PEM_B = {
+	{ 0xf4, 0xf3, 0xe7, 0x3c, 0xf4, 0xee, 0x60, 0x59, 0x93, 0xc2,
+	   0xef, 0x2d, 0x79, 0x05, 0x71, 0xad, 0xe8, 0x27, 0x24, 0x4c },
+	{ .size = 4, .data = (uint8_t *)"knot" }
+};
+
+static void rm(const char *dir, const char *file)
+{
+	char buffer[4096] = { 0 };
+	int r = snprintf(buffer, 4096, "%s/%s", dir, file);
+	if (r < 0) {
+		ok(0, "rm");
+		return;
+	}
+
+	r = unlink(buffer);
+	ok(r == 0, "rm %s", buffer);
+}
+
+int main(void)
+{
+	plan_lazy();
+
+	int r = 0;
+	void *data = NULL;
+	dnssec_binary_t bin = { 0 };
+
+	char *dir = test_tmpdir();
+	if (!dir) {
+		return 1;
+	}
+
+	// create context
+
+	const dnssec_pkcs8_functions_t *func = dnssec_pkcs8_dir_functions();
+	r = func->open(&data, dir);
+	ok(r == DNSSEC_EOK && data != NULL, "open");
+
+	// read/write tests
+
+	r = func->read(data, TEST_PEM_A.id, &bin);
+	ok(r != DNSSEC_EOK && bin.size == 0, "read non-existent");
+
+	r = func->write(data, TEST_PEM_A.id, &TEST_PEM_A.data);
+	ok(r == DNSSEC_EOK, "write A");
+
+	r = func->write(data, TEST_PEM_B.id, &TEST_PEM_B.data);
+	ok(r == DNSSEC_EOK, "write B");
+
+	r = func->read(data, TEST_PEM_A.id, &bin);
+	ok(r == DNSSEC_EOK && dnssec_binary_cmp(&TEST_PEM_A.data, &bin) == 0,
+	   "read A");
+
+	r = func->read(data, TEST_PEM_B.id, &bin);
+	ok(r == DNSSEC_EOK && dnssec_binary_cmp(&TEST_PEM_B.data, &bin) == 0,
+	   "read B");
+
+	// cleanup
+
+	r = func->close(data);
+	ok(r == DNSSEC_EOK, "close");
+
+	rm(dir, "7b0c9f6a59b1c76b26ed93ea8684f300821eee41.pem");
+	rm(dir, "f4f3e73cf4ee605993c2ef2d790571ade827244c.pem");
+
+	test_tmpdir_free(dir);
+
+	return 0;
+}