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Handle OCSP_WANT_READ returned from DoTls13HandShakeMsgType

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ZD21341
This commit is contained in:
Juliusz Sosinowicz
2026-03-17 12:53:04 +01:00
parent b5c532703a
commit 0644369456
5 changed files with 102 additions and 5 deletions
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.github/workflows/os-check.yml
+1 -1
View File
@@ -91,7 +91,7 @@ jobs:
'--enable-all CPPFLAGS=''-DNO_WOLFSSL_SERVER -DWOLFSSL_NO_CLIENT_AUTH''',
'--enable-curve25519=nonblock --enable-ecc=nonblock --enable-sp=yes,nonblock CPPFLAGS="-DWOLFSSL_PUBLIC_MP -DWOLFSSL_DEBUG_NONBLOCK"',
'--enable-certreq --enable-certext --enable-certgen --disable-secure-renegotiation-info CPPFLAGS="-DNO_TLS"',
'--enable-ocsp --enable-ocsp-responder --enable-ocspstapling',
'--enable-ocsp --enable-ocsp-responder --enable-ocspstapling CPPFLAGS="-DWOLFSSL_NONBLOCK_OCSP" --enable-maxfragment',
]
name: make check
if: github.repository_owner == 'wolfssl'
src/tls13.c
+3 -2
View File
@@ -13453,8 +13453,9 @@ int DoTls13HandShakeMsg(WOLFSSL* ssl, byte* input, word32* inOutIdx,
&idx, ssl->arrays->pendingMsgType,
ssl->arrays->pendingMsgSz - HANDSHAKE_HEADER_SZ,
ssl->arrays->pendingMsgSz);
#ifdef WOLFSSL_ASYNC_CRYPT
if (ret == WC_NO_ERR_TRACE(WC_PENDING_E)) {
#if defined(WOLFSSL_ASYNC_CRYPT) || defined(WOLFSSL_NONBLOCK_OCSP)
if (ret == WC_NO_ERR_TRACE(WC_PENDING_E) ||
ret == WC_NO_ERR_TRACE(OCSP_WANT_READ)) {
/* setup to process fragment again */
ssl->arrays->pendingMsgOffset -= inputLength;
*inOutIdx -= inputLength + ssl->keys.padSz;
tests/api.c
+5 -2
View File
@@ -4871,7 +4871,8 @@ int test_ssl_memio_do_handshake(test_ssl_memio_ctx* ctx, int max_rounds,
/* retry non-blocking math */
}
else if (err != WOLFSSL_ERROR_WANT_READ &&
err != WOLFSSL_ERROR_WANT_WRITE) {
err != WOLFSSL_ERROR_WANT_WRITE &&
err != WC_NO_ERR_TRACE(OCSP_WANT_READ)) {
char buff[WOLFSSL_MAX_ERROR_SZ];
fprintf(stderr, "error = %d, %s\n", err,
wolfSSL_ERR_error_string((word32)err, buff));
@@ -4896,7 +4897,8 @@ int test_ssl_memio_do_handshake(test_ssl_memio_ctx* ctx, int max_rounds,
/* retry non-blocking math */
}
else if (err != WOLFSSL_ERROR_WANT_READ &&
err != WOLFSSL_ERROR_WANT_WRITE) {
err != WOLFSSL_ERROR_WANT_WRITE &&
err != WC_NO_ERR_TRACE(OCSP_WANT_READ)) {
char buff[WOLFSSL_MAX_ERROR_SZ];
fprintf(stderr, "error = %d, %s\n", err,
wolfSSL_ERR_error_string((word32)err, buff));
@@ -34575,6 +34577,7 @@ TEST_CASE testCases[] = {
TEST_DECL(test_ocsp_tls_cert_cb),
TEST_DECL(test_ocsp_cert_unknown_crl_fallback),
TEST_DECL(test_ocsp_cert_unknown_crl_fallback_nonleaf),
TEST_DECL(test_tls13_nonblock_ocsp_low_mfl),
TEST_DECL(test_ocsp_responder),
TEST_TLS_DECLS,
TEST_DECL(test_wc_DhSetNamedKey),
tests/api/test_ocsp.c
+92
View File
@@ -1241,6 +1241,98 @@ int test_ocsp_cert_unknown_crl_fallback_nonleaf(void)
}
#endif /* HAVE_OCSP && HAVE_CRL && HAVE_SSL_MEMIO_TESTS_DEPENDENCIES */
#if defined(HAVE_OCSP) && defined(WOLFSSL_TLS13) && \
defined(WOLFSSL_NONBLOCK_OCSP) && defined(HAVE_MAX_FRAGMENT) && \
defined(HAVE_SSL_MEMIO_TESTS_DEPENDENCIES) && \
!defined(NO_RSA) && !defined(NO_SHA)
/* Number of times the OCSP IO callback has been called. */
static int test_tls13_nonblock_ocsp_mfl_cb_cnt;
/*
* OCSP IO callback: simulates a nonblocking responder. Returns WANT_READ
* a few times before finally returning the OCSP response.
*/
static int test_tls13_nonblock_ocsp_mfl_io_cb(void* ioCtx, const char* url,
int urlSz, unsigned char* req, int reqSz, unsigned char** respBuf)
{
(void)ioCtx;
(void)url;
(void)urlSz;
(void)req;
(void)reqSz;
if (test_tls13_nonblock_ocsp_mfl_cb_cnt++ < 5)
return WOLFSSL_CBIO_ERR_WANT_READ;
*respBuf = (unsigned char*)resp_server1_cert;
return (int)sizeof(resp_server1_cert);
}
/* CTX-ready callback: enable client-side OCSP with URL override. */
static int test_tls13_nonblock_ocsp_mfl_ctx_ready(WOLFSSL_CTX* ctx)
{
EXPECT_DECLS;
ExpectIntEQ(wolfSSL_CTX_EnableOCSP(ctx,
WOLFSSL_OCSP_URL_OVERRIDE | WOLFSSL_OCSP_NO_NONCE),
WOLFSSL_SUCCESS);
ExpectIntEQ(wolfSSL_CTX_SetOCSP_OverrideURL(ctx, "http://example.com"),
WOLFSSL_SUCCESS);
/* NULL free-callback: resp points to static array, must not be freed. */
ExpectIntEQ(wolfSSL_CTX_SetOCSP_Cb(ctx,
test_tls13_nonblock_ocsp_mfl_io_cb, NULL, NULL),
WOLFSSL_SUCCESS);
return EXPECT_RESULT();
}
/* SSL-ready callback: cap record payload at 1024 bytes. */
static int test_tls13_nonblock_ocsp_mfl_ssl_ready(WOLFSSL* ssl)
{
EXPECT_DECLS;
ExpectIntEQ(wolfSSL_UseMaxFragment(ssl, WOLFSSL_MFL_2_10), WOLFSSL_SUCCESS);
return EXPECT_RESULT();
}
int test_tls13_nonblock_ocsp_low_mfl(void)
{
EXPECT_DECLS;
struct test_ssl_memio_ctx test_ctx;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
test_tls13_nonblock_ocsp_mfl_cb_cnt = 0;
/*
* Server: two-cert chain (server1 + intermediate1, no root).
* Total DER size ~2534 bytes -> splits into 3 TLS records at MFL=1024.
*/
test_ctx.s_cb.certPemFile = "./certs/ocsp/server1-chain-noroot.pem";
test_ctx.s_cb.keyPemFile = "./certs/ocsp/server1-key.pem";
test_ctx.s_cb.method = wolfTLSv1_3_server_method;
/* Client: trust root-ca, TLS 1.3, OCSP + MFL=1024. */
test_ctx.c_cb.caPemFile = "./certs/ocsp/root-ca-cert.pem";
test_ctx.c_cb.method = wolfTLSv1_3_client_method;
test_ctx.c_cb.ctx_ready = test_tls13_nonblock_ocsp_mfl_ctx_ready;
test_ctx.c_cb.ssl_ready = test_tls13_nonblock_ocsp_mfl_ssl_ready;
ExpectIntEQ(test_ssl_memio_setup(&test_ctx), TEST_SUCCESS);
ExpectIntEQ(test_ssl_memio_do_handshake(&test_ctx, 10, NULL),
TEST_SUCCESS);
/* The OCSP callback must have been retried (called more than once). */
ExpectIntGT(test_tls13_nonblock_ocsp_mfl_cb_cnt, 1);
test_ssl_memio_cleanup(&test_ctx);
return EXPECT_RESULT();
}
#else
int test_tls13_nonblock_ocsp_low_mfl(void)
{
return TEST_SKIPPED;
}
#endif
#if defined(HAVE_OCSP_RESPONDER) && defined(WOLFSSL_ASN_TEMPLATE) && \
!defined(NO_SHA) && !defined(NO_RSA)
/* Structure to hold test configuration */
tests/api/test_ocsp.h
+1
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@@ -29,6 +29,7 @@ int test_ocsp_response_parsing(void);
int test_ocsp_tls_cert_cb(void);
int test_ocsp_cert_unknown_crl_fallback(void);
int test_ocsp_cert_unknown_crl_fallback_nonleaf(void);
int test_tls13_nonblock_ocsp_low_mfl(void);
int test_ocsp_responder(void);
#endif /* WOLFSSL_TEST_OCSP_H */