f6d6ed0c66
R=mallinath@webrtc.org Review URL: https://webrtc-codereview.appspot.com/6569004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5339 4adac7df-926f-26a2-2b94-8c16560cd09d
149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
/*
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* libjingle
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* Copyright 2004--2008, Google Inc.
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* Copyright 2012, RTFM, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <vector>
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG_H
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#include "talk/base/sslstreamadapterhelper.h"
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#include "talk/base/common.h"
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#include "talk/base/logging.h"
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#include "talk/base/stream.h"
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namespace talk_base {
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void SSLStreamAdapterHelper::SetIdentity(SSLIdentity* identity) {
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ASSERT(identity_.get() == NULL);
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identity_.reset(identity);
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}
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void SSLStreamAdapterHelper::SetServerRole(SSLRole role) {
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role_ = role;
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}
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int SSLStreamAdapterHelper::StartSSLWithServer(const char* server_name) {
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ASSERT(server_name != NULL && server_name[0] != '\0');
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ssl_server_name_ = server_name;
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return StartSSL();
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}
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int SSLStreamAdapterHelper::StartSSLWithPeer() {
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ASSERT(ssl_server_name_.empty());
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// It is permitted to specify peer_certificate_ only later.
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return StartSSL();
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}
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void SSLStreamAdapterHelper::SetMode(SSLMode mode) {
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ASSERT(state_ == SSL_NONE);
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ssl_mode_ = mode;
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}
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StreamState SSLStreamAdapterHelper::GetState() const {
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switch (state_) {
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case SSL_WAIT:
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case SSL_CONNECTING:
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return SS_OPENING;
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case SSL_CONNECTED:
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return SS_OPEN;
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default:
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return SS_CLOSED;
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};
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// not reached
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}
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bool SSLStreamAdapterHelper::GetPeerCertificate(SSLCertificate** cert) const {
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if (!peer_certificate_)
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return false;
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*cert = peer_certificate_->GetReference();
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return true;
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}
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bool SSLStreamAdapterHelper::SetPeerCertificateDigest(
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const std::string &digest_alg,
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const unsigned char* digest_val,
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size_t digest_len) {
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ASSERT(peer_certificate_.get() == NULL);
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ASSERT(peer_certificate_digest_algorithm_.empty());
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ASSERT(ssl_server_name_.empty());
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size_t expected_len;
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if (!GetDigestLength(digest_alg, &expected_len)) {
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LOG(LS_WARNING) << "Unknown digest algorithm: " << digest_alg;
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return false;
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}
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if (expected_len != digest_len)
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return false;
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peer_certificate_digest_value_.SetData(digest_val, digest_len);
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peer_certificate_digest_algorithm_ = digest_alg;
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return true;
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}
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void SSLStreamAdapterHelper::Error(const char* context, int err, bool signal) {
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LOG(LS_WARNING) << "SSLStreamAdapterHelper::Error("
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<< context << ", " << err << "," << signal << ")";
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state_ = SSL_ERROR;
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ssl_error_code_ = err;
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Cleanup();
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if (signal)
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StreamAdapterInterface::OnEvent(stream(), SE_CLOSE, err);
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}
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void SSLStreamAdapterHelper::Close() {
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Cleanup();
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ASSERT(state_ == SSL_CLOSED || state_ == SSL_ERROR);
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StreamAdapterInterface::Close();
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}
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int SSLStreamAdapterHelper::StartSSL() {
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ASSERT(state_ == SSL_NONE);
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if (StreamAdapterInterface::GetState() != SS_OPEN) {
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state_ = SSL_WAIT;
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return 0;
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}
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state_ = SSL_CONNECTING;
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int err = BeginSSL();
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if (err) {
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Error("BeginSSL", err, false);
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return err;
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}
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return 0;
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}
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} // namespace talk_base
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