mirror of
https://github.com/mozilla/gecko-dev.git
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d8c65c4b8b
Depends on D160310 Differential Revision: https://phabricator.services.mozilla.com/D160311
99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsNamedPipeIOLayer.h"
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#include "nsSOCKSSocketProvider.h"
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#include "nsSOCKSIOLayer.h"
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#include "nsCOMPtr.h"
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#include "nsError.h"
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using mozilla::OriginAttributes;
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using namespace mozilla::net;
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//////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS(nsSOCKSSocketProvider, nsISocketProvider)
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// Per-platform implemenation of OpenTCPSocket helper function
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// Different platforms have special cases to handle
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#if defined(XP_WIN)
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// The proxy host on Windows may be a named pipe uri, in which
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// case a named-pipe (rather than a socket) should be returned
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static PRFileDesc* OpenTCPSocket(int32_t family, nsIProxyInfo* proxy) {
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PRFileDesc* sock = nullptr;
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nsAutoCString proxyHost;
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proxy->GetHost(proxyHost);
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if (IsNamedPipePath(proxyHost)) {
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sock = CreateNamedPipeLayer();
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} else {
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sock = PR_OpenTCPSocket(family);
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}
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return sock;
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}
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#elif defined(XP_UNIX)
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// The proxy host on UNIX systems may point to a local file uri
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// in which case we should create an AF_LOCAL (UNIX Domain) socket
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// instead of the requested AF_INET or AF_INET6 socket.
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// Normally,this socket would get thrown out and recreated later on
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// with the proper family, but we want to do it early here so that
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// we can enforce seccomp policy to blacklist socket(AF_INET) calls
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// to prevent the content sandbox from creating network requests
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static PRFileDesc* OpenTCPSocket(int32_t family, nsIProxyInfo* proxy) {
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nsAutoCString proxyHost;
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proxy->GetHost(proxyHost);
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if (StringBeginsWith(proxyHost, "file://"_ns)) {
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family = AF_LOCAL;
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}
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return PR_OpenTCPSocket(family);
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}
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#else
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// Default, pass-through to PR_OpenTCPSocket
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static PRFileDesc* OpenTCPSocket(int32_t family, nsIProxyInfo*) {
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return PR_OpenTCPSocket(family);
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}
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#endif
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NS_IMETHODIMP
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nsSOCKSSocketProvider::NewSocket(int32_t family, const char* host, int32_t port,
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nsIProxyInfo* proxy,
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const OriginAttributes& originAttributes,
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uint32_t flags, uint32_t tlsFlags,
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PRFileDesc** result,
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nsITLSSocketControl** tlsSocketControl) {
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PRFileDesc* sock = OpenTCPSocket(family, proxy);
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if (!sock) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult rv = nsSOCKSIOLayerAddToSocket(family, host, port, proxy, mVersion,
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flags, tlsFlags, sock);
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if (NS_SUCCEEDED(rv)) {
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*result = sock;
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return NS_OK;
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}
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return NS_ERROR_SOCKET_CREATE_FAILED;
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}
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NS_IMETHODIMP
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nsSOCKSSocketProvider::AddToSocket(int32_t family, const char* host,
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int32_t port, nsIProxyInfo* proxy,
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const OriginAttributes& originAttributes,
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uint32_t flags, uint32_t tlsFlags,
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PRFileDesc* sock,
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nsITLSSocketControl** tlsSocketControl) {
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nsresult rv = nsSOCKSIOLayerAddToSocket(family, host, port, proxy, mVersion,
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flags, tlsFlags, sock);
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if (NS_FAILED(rv)) rv = NS_ERROR_SOCKET_CREATE_FAILED;
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return rv;
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}
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