1 files changed, 167 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/github.com/spacemonkeygo/openssl/ssl.go b/src/mongo/gotools/vendor/src/github.com/spacemonkeygo/openssl/ssl.go
new file mode 100644
index 00000000000..d6120e15d99
--- /dev/null
+++ b/src/mongo/gotools/vendor/src/github.com/spacemonkeygo/openssl/ssl.go
@@ -0,0 +1,167 @@
+// Copyright (C) 2014 Space Monkey, Inc.
+//
+// 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.
+
+// +build cgo
+
+package openssl
+
+/*
+#include <openssl/crypto.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+static long SSL_set_options_not_a_macro(SSL* ssl, long options) {
+   return SSL_set_options(ssl, options);
+}
+
+static long SSL_get_options_not_a_macro(SSL* ssl) {
+   return SSL_get_options(ssl);
+}
+
+static long SSL_clear_options_not_a_macro(SSL* ssl, long options) {
+   return SSL_clear_options(ssl, options);
+}
+
+extern int verify_ssl_cb(int ok, X509_STORE_CTX* store);
+*/
+import "C"
+
+import (
+	"os"
+	"unsafe"
+)
+
+type SSLTLSExtErr int
+
+var (
+	ssl_idx = C.SSL_get_ex_new_index(0, nil, nil, nil, nil)
+)
+
+//export get_ssl_idx
+func get_ssl_idx() C.int {
+	return ssl_idx
+}
+
+type SSL struct {
+	ssl       *C.SSL
+	verify_cb VerifyCallback
+}
+
+//export verify_ssl_cb_thunk
+func verify_ssl_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
+}
+
+// GetOptions returns SSL options. See
+// https://www.openssl.org/docs/ssl/SSL_CTX_set_options.html
+func (s *SSL) GetOptions() Options {
+	return Options(C.SSL_get_options_not_a_macro(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.SSL_set_options_not_a_macro(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.SSL_clear_options_not_a_macro(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.verify_ssl_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(), s.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))
+}
+
+//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))
+}