1 files changed, 170 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/github.com/10gen/openssl/ssl.go b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/ssl.go
new file mode 100644
index 00000000000..117c30c0f99
--- /dev/null
+++ b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/ssl.go
@@ -0,0 +1,170 @@
+// Copyright (C) 2017. See AUTHORS.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package openssl
+
+// #include "shim.h"
+import "C"
+
+import (
+	"os"
+	"unsafe"
+)
+
+type SSLTLSExtErr int
+
+const (
+	SSLTLSExtErrOK           SSLTLSExtErr = C.SSL_TLSEXT_ERR_OK
+	SSLTLSExtErrAlertWarning SSLTLSExtErr = C.SSL_TLSEXT_ERR_ALERT_WARNING
+	SSLTLSEXTErrAlertFatal   SSLTLSExtErr = C.SSL_TLSEXT_ERR_ALERT_FATAL
+	SSLTLSEXTErrNoAck        SSLTLSExtErr = C.SSL_TLSEXT_ERR_NOACK
+)
+
+var (
+	ssl_idx = C.X_SSL_new_index()
+)
+
+//export get_ssl_idx
+func get_ssl_idx() C.int {
+	return ssl_idx
+}
+
+type SSL struct {
+	ssl       *C.SSL
+	verify_cb VerifyCallback
+}
+
+//export go_ssl_verify_cb_thunk
+func go_ssl_verify_cb_thunk(p unsafe.Pointer, ok C.int, ctx *C.X509_STORE_CTX) C.int {
+	defer func() {
+		if err := recover(); err != nil {
+			logger.Critf("openssl: verify callback panic'd: %v", err)
+			os.Exit(1)
+		}
+	}()
+	verify_cb := (*SSL)(p).verify_cb
+	// set up defaults just in case verify_cb is nil
+	if verify_cb != nil {
+		store := &CertificateStoreCtx{ctx: ctx}
+		if verify_cb(ok == 1, store) {
+			ok = 1
+		} else {
+			ok = 0
+		}
+	}
+	return ok
+}
+
+// Wrapper around SSL_get_servername. Returns server name according to rfc6066
+// http://tools.ietf.org/html/rfc6066.
+func (s *SSL) GetServername() string {
+	return C.GoString(C.SSL_get_servername(s.ssl, C.TLSEXT_NAMETYPE_host_name))
+}
+
+// GetOptions returns SSL options. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
+func (s *SSL) GetOptions() Options {
+	return Options(C.X_SSL_get_options(s.ssl))
+}
+
+// SetOptions sets SSL options. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
+func (s *SSL) SetOptions(options Options) Options {
+	return Options(C.X_SSL_set_options(s.ssl, C.long(options)))
+}
+
+// ClearOptions clear SSL options. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
+func (s *SSL) ClearOptions(options Options) Options {
+	return Options(C.X_SSL_clear_options(s.ssl, C.long(options)))
+}
+
+// SetVerify controls peer verification settings. See
+// http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) SetVerify(options VerifyOptions, verify_cb VerifyCallback) {
+	s.verify_cb = verify_cb
+	if verify_cb != nil {
+		C.SSL_set_verify(s.ssl, C.int(options), (*[0]byte)(C.X_SSL_verify_cb))
+	} else {
+		C.SSL_set_verify(s.ssl, C.int(options), nil)
+	}
+}
+
+// SetVerifyMode controls peer verification setting. See
+// http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) SetVerifyMode(options VerifyOptions) {
+	s.SetVerify(options, s.verify_cb)
+}
+
+// SetVerifyCallback controls peer verification setting. See
+// http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) SetVerifyCallback(verify_cb VerifyCallback) {
+	s.SetVerify(s.VerifyMode(), verify_cb)
+}
+
+// GetVerifyCallback returns callback function. See
+// http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) GetVerifyCallback() VerifyCallback {
+	return s.verify_cb
+}
+
+// VerifyMode returns peer verification setting. See
+// http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) VerifyMode() VerifyOptions {
+	return VerifyOptions(C.SSL_get_verify_mode(s.ssl))
+}
+
+// SetVerifyDepth controls how many certificates deep the certificate
+// verification logic is willing to follow a certificate chain. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) SetVerifyDepth(depth int) {
+	C.SSL_set_verify_depth(s.ssl, C.int(depth))
+}
+
+// GetVerifyDepth controls how many certificates deep the certificate
+// verification logic is willing to follow a certificate chain. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+func (s *SSL) GetVerifyDepth() int {
+	return int(C.SSL_get_verify_depth(s.ssl))
+}
+
+// SetSSLCtx changes context to new one. Useful for Server Name Indication (SNI)
+// rfc6066 http://tools.ietf.org/html/rfc6066. See
+// http://stackoverflow.com/questions/22373332/serving-multiple-domains-in-one-box-with-sni
+func (s *SSL) SetSSLCtx(ctx *Ctx) {
+	/*
+	 * SSL_set_SSL_CTX() only changes certs as of 1.0.0d
+	 * adjust other things we care about
+	 */
+	C.SSL_set_SSL_CTX(s.ssl, ctx.ctx)
+}
+
+//export sni_cb_thunk
+func sni_cb_thunk(p unsafe.Pointer, con *C.SSL, ad unsafe.Pointer, arg unsafe.Pointer) C.int {
+	defer func() {
+		if err := recover(); err != nil {
+			logger.Critf("openssl: verify callback sni panic'd: %v", err)
+			os.Exit(1)
+		}
+	}()
+
+	sni_cb := (*Ctx)(p).sni_cb
+
+	s := &SSL{ssl: con}
+	// This attaches a pointer to our SSL struct into the SNI callback.
+	C.SSL_set_ex_data(s.ssl, get_ssl_idx(), unsafe.Pointer(s))
+
+	// Note: this is ctx.sni_cb, not C.sni_cb
+	return C.int(sni_cb(s))
+}