Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
  Fix #76694: native Windows cert verification uses CN as sever name
This commit is contained in:
Christoph M. Becker committed 2021-05-31 14:36:57 +02:00
commit 108105b2c6
2 files changed
+7 -45

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@@ -19,6 +19,10 @@ PHP NEWS
reference). (Dmitry)
. Fixed bug #80968 (JIT segfault with return from required file). (Dmitry)
- OpenSSL:
. Fixed bug #76694 (native Windows cert verification uses CN as sever name).
(cmb)
- MySQLnd:
. Fixed bug #80761 (PDO uses too much memory). (Nikita)
+3 -45
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@@ -715,56 +715,14 @@ static int php_openssl_win_cert_verify_callback(X509_STORE_CTX *x509_store_ctx,
LPWSTR server_name = NULL;
BOOL verify_result;
{ /* This looks ridiculous and it is - but we validate the name ourselves using the peer_name
ctx option, so just use the CN from the cert here */
X509_NAME *cert_name;
unsigned char *cert_name_utf8;
int index, cert_name_utf8_len;
DWORD num_wchars;
cert_name = X509_get_subject_name(cert);
index = X509_NAME_get_index_by_NID(cert_name, NID_commonName, -1);
if (index < 0) {
php_error_docref(NULL, E_WARNING, "Unable to locate certificate CN");
CertFreeCertificateChain(cert_chain_ctx);
CertFreeCertificateContext(cert_ctx);
RETURN_CERT_VERIFY_FAILURE(SSL_R_CERTIFICATE_VERIFY_FAILED);
}
cert_name_utf8_len = PHP_X509_NAME_ENTRY_TO_UTF8(cert_name, index, cert_name_utf8);
num_wchars = MultiByteToWideChar(CP_UTF8, 0, (char*)cert_name_utf8, -1, NULL, 0);
if (num_wchars == 0) {
php_error_docref(NULL, E_WARNING, "Unable to convert %s to wide character string", cert_name_utf8);
OPENSSL_free(cert_name_utf8);
CertFreeCertificateChain(cert_chain_ctx);
CertFreeCertificateContext(cert_ctx);
RETURN_CERT_VERIFY_FAILURE(SSL_R_CERTIFICATE_VERIFY_FAILED);
}
server_name = emalloc((num_wchars * sizeof(WCHAR)) + sizeof(WCHAR));
num_wchars = MultiByteToWideChar(CP_UTF8, 0, (char*)cert_name_utf8, -1, server_name, num_wchars);
if (num_wchars == 0) {
php_error_docref(NULL, E_WARNING, "Unable to convert %s to wide character string", cert_name_utf8);
efree(server_name);
OPENSSL_free(cert_name_utf8);
CertFreeCertificateChain(cert_chain_ctx);
CertFreeCertificateContext(cert_ctx);
RETURN_CERT_VERIFY_FAILURE(SSL_R_CERTIFICATE_VERIFY_FAILED);
}
OPENSSL_free(cert_name_utf8);
}
ssl_policy_params.dwAuthType = (sslsock->is_client) ? AUTHTYPE_SERVER : AUTHTYPE_CLIENT;
ssl_policy_params.pwszServerName = server_name;
/* we validate the name ourselves using the peer_name
ctx option, so no need to use a server name here */
ssl_policy_params.pwszServerName = NULL;
chain_policy_params.pvExtraPolicyPara = &ssl_policy_params;
verify_result = CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_SSL, cert_chain_ctx, &chain_policy_params, &chain_policy_status);
efree(server_name);
CertFreeCertificateChain(cert_chain_ctx);
CertFreeCertificateContext(cert_ctx);