henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2005, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include "talk/base/winfirewall.h" |
| 29 | |
| 30 | #include "talk/base/win32.h" |
| 31 | |
| 32 | #include <comdef.h> |
| 33 | #include <netfw.h> |
| 34 | |
| 35 | #define RELEASE(lpUnk) do { \ |
| 36 | if ((lpUnk) != NULL) { \ |
| 37 | (lpUnk)->Release(); \ |
| 38 | (lpUnk) = NULL; \ |
| 39 | } \ |
| 40 | } while (0) |
| 41 | |
| 42 | namespace talk_base { |
| 43 | |
| 44 | ////////////////////////////////////////////////////////////////////// |
| 45 | // WinFirewall |
| 46 | ////////////////////////////////////////////////////////////////////// |
| 47 | |
| 48 | WinFirewall::WinFirewall() : mgr_(NULL), policy_(NULL), profile_(NULL) { |
| 49 | } |
| 50 | |
| 51 | WinFirewall::~WinFirewall() { |
| 52 | Shutdown(); |
| 53 | } |
| 54 | |
| 55 | bool WinFirewall::Initialize(HRESULT* result) { |
| 56 | if (mgr_) { |
| 57 | if (result) { |
| 58 | *result = S_OK; |
| 59 | } |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | HRESULT hr = CoCreateInstance(__uuidof(NetFwMgr), |
| 64 | 0, CLSCTX_INPROC_SERVER, |
| 65 | __uuidof(INetFwMgr), |
| 66 | reinterpret_cast<void **>(&mgr_)); |
| 67 | if (SUCCEEDED(hr) && (mgr_ != NULL)) |
| 68 | hr = mgr_->get_LocalPolicy(&policy_); |
| 69 | if (SUCCEEDED(hr) && (policy_ != NULL)) |
| 70 | hr = policy_->get_CurrentProfile(&profile_); |
| 71 | |
| 72 | if (result) |
| 73 | *result = hr; |
| 74 | return SUCCEEDED(hr) && (profile_ != NULL); |
| 75 | } |
| 76 | |
| 77 | void WinFirewall::Shutdown() { |
| 78 | RELEASE(profile_); |
| 79 | RELEASE(policy_); |
| 80 | RELEASE(mgr_); |
| 81 | } |
| 82 | |
| 83 | bool WinFirewall::Enabled() const { |
| 84 | if (!profile_) |
| 85 | return false; |
| 86 | |
| 87 | VARIANT_BOOL fwEnabled = VARIANT_FALSE; |
| 88 | profile_->get_FirewallEnabled(&fwEnabled); |
| 89 | return (fwEnabled != VARIANT_FALSE); |
| 90 | } |
| 91 | |
| 92 | bool WinFirewall::QueryAuthorized(const char* filename, bool* authorized) |
| 93 | const { |
| 94 | return QueryAuthorizedW(ToUtf16(filename).c_str(), authorized); |
| 95 | } |
| 96 | |
| 97 | bool WinFirewall::QueryAuthorizedW(const wchar_t* filename, bool* authorized) |
| 98 | const { |
| 99 | *authorized = false; |
| 100 | bool success = false; |
| 101 | |
| 102 | if (!profile_) |
| 103 | return false; |
| 104 | |
| 105 | _bstr_t bfilename = filename; |
| 106 | |
| 107 | INetFwAuthorizedApplications* apps = NULL; |
| 108 | HRESULT hr = profile_->get_AuthorizedApplications(&apps); |
| 109 | if (SUCCEEDED(hr) && (apps != NULL)) { |
| 110 | INetFwAuthorizedApplication* app = NULL; |
| 111 | hr = apps->Item(bfilename, &app); |
| 112 | if (SUCCEEDED(hr) && (app != NULL)) { |
| 113 | VARIANT_BOOL fwEnabled = VARIANT_FALSE; |
| 114 | hr = app->get_Enabled(&fwEnabled); |
| 115 | app->Release(); |
| 116 | |
| 117 | if (SUCCEEDED(hr)) { |
| 118 | success = true; |
| 119 | *authorized = (fwEnabled != VARIANT_FALSE); |
| 120 | } |
| 121 | } else if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) { |
| 122 | // No entry in list of authorized apps |
| 123 | success = true; |
| 124 | } else { |
| 125 | // Unexpected error |
| 126 | } |
| 127 | apps->Release(); |
| 128 | } |
| 129 | |
| 130 | return success; |
| 131 | } |
| 132 | |
| 133 | bool WinFirewall::AddApplication(const char* filename, |
| 134 | const char* friendly_name, |
| 135 | bool authorized, |
| 136 | HRESULT* result) { |
| 137 | return AddApplicationW(ToUtf16(filename).c_str(), |
| 138 | ToUtf16(friendly_name).c_str(), authorized, result); |
| 139 | } |
| 140 | |
| 141 | bool WinFirewall::AddApplicationW(const wchar_t* filename, |
| 142 | const wchar_t* friendly_name, |
| 143 | bool authorized, |
| 144 | HRESULT* result) { |
| 145 | INetFwAuthorizedApplications* apps = NULL; |
| 146 | HRESULT hr = profile_->get_AuthorizedApplications(&apps); |
| 147 | if (SUCCEEDED(hr) && (apps != NULL)) { |
| 148 | INetFwAuthorizedApplication* app = NULL; |
| 149 | hr = CoCreateInstance(__uuidof(NetFwAuthorizedApplication), |
| 150 | 0, CLSCTX_INPROC_SERVER, |
| 151 | __uuidof(INetFwAuthorizedApplication), |
| 152 | reinterpret_cast<void **>(&app)); |
| 153 | if (SUCCEEDED(hr) && (app != NULL)) { |
| 154 | _bstr_t bstr = filename; |
| 155 | hr = app->put_ProcessImageFileName(bstr); |
| 156 | bstr = friendly_name; |
| 157 | if (SUCCEEDED(hr)) |
| 158 | hr = app->put_Name(bstr); |
| 159 | if (SUCCEEDED(hr)) |
| 160 | hr = app->put_Enabled(authorized ? VARIANT_TRUE : VARIANT_FALSE); |
| 161 | if (SUCCEEDED(hr)) |
| 162 | hr = apps->Add(app); |
| 163 | app->Release(); |
| 164 | } |
| 165 | apps->Release(); |
| 166 | } |
| 167 | if (result) |
| 168 | *result = hr; |
| 169 | return SUCCEEDED(hr); |
| 170 | } |
| 171 | |
| 172 | } // namespace talk_base |