From cee14f7b19a6f30785a38b0cf0b4ab863aaba883 Mon Sep 17 00:00:00 2001
From: beck <beck@openbsd.org>
Date: Mon, 4 Jul 2016 23:43:30 +0000
Subject: [PATCH] Add a nasty little ocsp regress test in the hope pedants will
 make it better.

---
 regress/lib/libcrypto/Makefile         |   3 +-
 regress/lib/libcrypto/ocsp/Makefile    |  21 +++++
 regress/lib/libcrypto/ocsp/ocsp_test.c | 117 +++++++++++++++++++++++++
 3 files changed, 140 insertions(+), 1 deletion(-)
 create mode 100644 regress/lib/libcrypto/ocsp/Makefile
 create mode 100644 regress/lib/libcrypto/ocsp/ocsp_test.c

diff --git a/regress/lib/libcrypto/Makefile b/regress/lib/libcrypto/Makefile
index 4931d0fdd82..a82ae259eaa 100644
--- a/regress/lib/libcrypto/Makefile
+++ b/regress/lib/libcrypto/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.22 2015/09/25 16:12:30 jsing Exp $
+#	$OpenBSD: Makefile,v 1.23 2016/07/04 23:43:30 beck Exp $
 
 SUBDIR= \
 	aead \
@@ -27,6 +27,7 @@ SUBDIR= \
 	ige \
 	md4 \
 	md5 \
+	ocsp \
 	pbkdf2 \
 	pkcs7 \
 	poly1305 \
diff --git a/regress/lib/libcrypto/ocsp/Makefile b/regress/lib/libcrypto/ocsp/Makefile
new file mode 100644
index 00000000000..5748b48c774
--- /dev/null
+++ b/regress/lib/libcrypto/ocsp/Makefile
@@ -0,0 +1,21 @@
+#	$OpenBSD: Makefile,v 1.1 2016/07/04 23:43:30 beck Exp $
+
+TESTS = \
+	ocsp_test
+
+REGRESS_TARGETS= all_tests
+
+LDADD=		-lcrypto -lssl
+DPADD=		${LIBCRYPTO} ${LIBSSL}
+WARNINGS=	Yes
+LDFLAGS+=	-lcrypto -lssl
+CFLAGS+=	-DLIBRESSL_INTERNAL -Wall -Wundef -Werror
+
+CLEANFILES+= ${TESTS}
+
+all_tests: ${TESTS}
+	@for test in $>; do \
+		./$$test www.amazon.com 443; \
+	done
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libcrypto/ocsp/ocsp_test.c b/regress/lib/libcrypto/ocsp/ocsp_test.c
new file mode 100644
index 00000000000..11dcda7462e
--- /dev/null
+++ b/regress/lib/libcrypto/ocsp/ocsp_test.c
@@ -0,0 +1,117 @@
+#include <stdio.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+
+#include <openssl/ssl.h>
+#include <openssl/ocsp.h>
+
+static int tcp_connect(char *host, char *port) {
+	int err, sd = -1;
+	struct addrinfo hints, *res, *r;
+
+	memset(&hints, 0, sizeof(struct addrinfo));
+	hints.ai_family = AF_INET;
+	hints.ai_socktype = SOCK_STREAM;
+
+	err = getaddrinfo(host, port, &hints, &res);
+	if (err != 0) {
+		perror("getaddrinfo()");
+		exit(-1);
+	}
+
+	for (r = res; r != NULL; r = r->ai_next) {
+		sd = socket(r->ai_family, r->ai_socktype, r->ai_protocol);
+		if (sd == -1)
+			continue;
+
+		if (connect(sd, r->ai_addr, r->ai_addrlen) == 0)
+			break;
+
+		close(sd);
+	}
+
+	freeaddrinfo(res);
+
+	return sd;
+}
+
+int main(int argc, char *argv[]) {
+	int sd, ocsp_status;
+	const unsigned char *p;
+	long len;
+	OCSP_RESPONSE *rsp = NULL;
+	OCSP_BASICRESP *br = NULL;
+	X509_STORE     *st = NULL;
+	STACK_OF(X509) *ch = NULL;
+
+	SSL *ssl;
+	SSL_CTX *ctx;
+
+	SSL_library_init();
+	SSL_load_error_strings();
+
+	ctx = SSL_CTX_new(SSLv23_client_method());
+
+	SSL_CTX_load_verify_locations(ctx, "/etc/ssl/cert.pem", NULL);
+
+	sd = tcp_connect(argv[1], argv[2]);
+
+	ssl = SSL_new(ctx);
+
+	SSL_set_fd(ssl, (int) sd);
+	SSL_set_tlsext_status_type(ssl, TLSEXT_STATUSTYPE_ocsp);
+
+	if (SSL_connect(ssl) <= 0) {
+		puts("SSL connect error");
+		exit(-1);
+	}
+
+	if (SSL_get_verify_result(ssl) != X509_V_OK) {
+		puts("Certificate doesn't verify");
+		exit(-1);
+	}
+
+	/* ==== VERIFY OCSP RESPONSE ==== */
+
+
+	len = SSL_get_tlsext_status_ocsp_resp(ssl, &p);
+
+	if (!p) {
+		puts("No OCSP response received");
+		exit(-1);
+	}
+
+	rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+	if (!rsp) {
+		puts("Invalid OCSP response");
+		exit(-1);
+	}
+
+	ocsp_status = OCSP_response_status(rsp);
+	if (ocsp_status != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
+		printf("Invalid OCSP response status: %s (%d)",
+		       OCSP_response_status_str(ocsp_status), ocsp_status);
+		exit(-1);
+	}
+
+	br = OCSP_response_get1_basic(rsp);
+	if (!br) {
+		puts("Invalid OCSP response");
+		exit(-1);
+	}
+
+	ch = SSL_get_peer_cert_chain(ssl);
+	st = SSL_CTX_get_cert_store(ctx);
+
+	if (OCSP_basic_verify(br, ch, st, 0) <= 0) {
+		puts("OCSP response verification failed");
+		exit(-1);
+	}
+
+	printf("OCSP validated from %s %s\n", argv[1], argv[2]);
+
+	return 0;
+}
+
-- 
2.20.1