/* * libjingle * Copyright 2004--2005, Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "netfw.h" #include "winfirewall.h" #define RELEASE(lpUnk) do \ { if ((lpUnk) != NULL) { (lpUnk)->Release(); (lpUnk) = NULL; } } while (0) namespace talk_base { ////////////////////////////////////////////////////////////////////// // WinFirewall ////////////////////////////////////////////////////////////////////// WinFirewall::WinFirewall() : mgr_(NULL), policy_(NULL), profile_(NULL) { } WinFirewall::~WinFirewall() { Shutdown(); } bool WinFirewall::Initialize() { if (mgr_) return true; HRESULT hr = CoCreateInstance(__uuidof(NetFwMgr), 0, CLSCTX_INPROC_SERVER, __uuidof(INetFwMgr), reinterpret_cast(&mgr_)); if (SUCCEEDED(hr) && (mgr_ != NULL)) hr = mgr_->get_LocalPolicy(&policy_); if (SUCCEEDED(hr) && (policy_ != NULL)) hr = policy_->get_CurrentProfile(&profile_); return SUCCEEDED(hr) && (profile_ != NULL); } void WinFirewall::Shutdown() { RELEASE(profile_); RELEASE(policy_); RELEASE(mgr_); } bool WinFirewall::Enabled() { if (!profile_) return false; VARIANT_BOOL fwEnabled = VARIANT_FALSE; profile_->get_FirewallEnabled(&fwEnabled); return (fwEnabled != VARIANT_FALSE); } bool WinFirewall::Authorized(const char * filename, bool * known) { if (known) { *known = false; } if (!profile_) return false; VARIANT_BOOL fwEnabled = VARIANT_FALSE; _bstr_t bfilename = filename; INetFwAuthorizedApplications * apps = NULL; HRESULT hr = profile_->get_AuthorizedApplications(&apps); if (SUCCEEDED(hr) && (apps != NULL)) { INetFwAuthorizedApplication * app = NULL; hr = apps->Item(bfilename, &app); if (SUCCEEDED(hr) && (app != NULL)) { hr = app->get_Enabled(&fwEnabled); app->Release(); if (known) { *known = true; } } else if (hr != HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) { // Unexpected error } apps->Release(); } return (fwEnabled != VARIANT_FALSE); } bool WinFirewall::AddApplication(const char * filename, const char * friendly_name, bool authorized) { INetFwAuthorizedApplications * apps = NULL; HRESULT hr = profile_->get_AuthorizedApplications(&apps); if (SUCCEEDED(hr) && (apps != NULL)) { INetFwAuthorizedApplication * app = NULL; hr = CoCreateInstance(__uuidof(NetFwAuthorizedApplication), 0, CLSCTX_INPROC_SERVER, __uuidof(INetFwAuthorizedApplication), reinterpret_cast(&app)); if (SUCCEEDED(hr) && (app != NULL)) { _bstr_t bstr = filename; hr = app->put_ProcessImageFileName(bstr); bstr = friendly_name; if (SUCCEEDED(hr)) hr = app->put_Name(bstr); if (SUCCEEDED(hr)) hr = app->put_Enabled(authorized ? VARIANT_TRUE : VARIANT_FALSE); if (SUCCEEDED(hr)) hr = apps->Add(app); app->Release(); } apps->Release(); } return SUCCEEDED(hr); } } // namespace talk_base