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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include <assert.h>
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23
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24 #include "uv.h"
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25 #include "internal.h"
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26
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27
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28 /* Ntdll function pointers */
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29 sRtlGetVersion pRtlGetVersion;
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30 sRtlNtStatusToDosError pRtlNtStatusToDosError;
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31 sNtDeviceIoControlFile pNtDeviceIoControlFile;
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32 sNtQueryInformationFile pNtQueryInformationFile;
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33 sNtSetInformationFile pNtSetInformationFile;
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34 sNtQueryVolumeInformationFile pNtQueryVolumeInformationFile;
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35 sNtQueryDirectoryFile pNtQueryDirectoryFile;
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36 sNtQuerySystemInformation pNtQuerySystemInformation;
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37 sNtQueryInformationProcess pNtQueryInformationProcess;
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38
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39 /* Powrprof.dll function pointer */
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40 sPowerRegisterSuspendResumeNotification pPowerRegisterSuspendResumeNotification;
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41
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42 /* User32.dll function pointer */
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43 sSetWinEventHook pSetWinEventHook;
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44
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45 /* ws2_32.dll function pointer */
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46 uv_sGetHostNameW pGetHostNameW;
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47
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48 /* api-ms-win-core-file-l2-1-4.dll function pointer */
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49 sGetFileInformationByName pGetFileInformationByName;
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50
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51 void uv__winapi_init(void) {
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52 HMODULE ntdll_module;
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53 HMODULE powrprof_module;
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54 HMODULE user32_module;
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55 HMODULE ws2_32_module;
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56 HMODULE api_win_core_file_module;
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57
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58 ntdll_module = GetModuleHandleA("ntdll.dll");
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59 if (ntdll_module == NULL) {
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60 uv_fatal_error(GetLastError(), "GetModuleHandleA");
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61 }
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62
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63 pRtlGetVersion = (sRtlGetVersion) GetProcAddress(ntdll_module,
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64 "RtlGetVersion");
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65
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66 pRtlNtStatusToDosError = (sRtlNtStatusToDosError) GetProcAddress(
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67 ntdll_module,
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68 "RtlNtStatusToDosError");
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69 if (pRtlNtStatusToDosError == NULL) {
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70 uv_fatal_error(GetLastError(), "GetProcAddress");
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71 }
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72
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73 pNtDeviceIoControlFile = (sNtDeviceIoControlFile) GetProcAddress(
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74 ntdll_module,
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75 "NtDeviceIoControlFile");
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76 if (pNtDeviceIoControlFile == NULL) {
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77 uv_fatal_error(GetLastError(), "GetProcAddress");
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78 }
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79
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80 pNtQueryInformationFile = (sNtQueryInformationFile) GetProcAddress(
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81 ntdll_module,
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82 "NtQueryInformationFile");
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83 if (pNtQueryInformationFile == NULL) {
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84 uv_fatal_error(GetLastError(), "GetProcAddress");
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85 }
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86
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87 pNtSetInformationFile = (sNtSetInformationFile) GetProcAddress(
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88 ntdll_module,
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89 "NtSetInformationFile");
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90 if (pNtSetInformationFile == NULL) {
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91 uv_fatal_error(GetLastError(), "GetProcAddress");
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92 }
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93
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94 pNtQueryVolumeInformationFile = (sNtQueryVolumeInformationFile)
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95 GetProcAddress(ntdll_module, "NtQueryVolumeInformationFile");
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96 if (pNtQueryVolumeInformationFile == NULL) {
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97 uv_fatal_error(GetLastError(), "GetProcAddress");
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98 }
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99
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100 pNtQueryDirectoryFile = (sNtQueryDirectoryFile)
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101 GetProcAddress(ntdll_module, "NtQueryDirectoryFile");
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102 if (pNtQueryDirectoryFile == NULL) {
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103 uv_fatal_error(GetLastError(), "GetProcAddress");
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104 }
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105
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106 pNtQuerySystemInformation = (sNtQuerySystemInformation) GetProcAddress(
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107 ntdll_module,
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108 "NtQuerySystemInformation");
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109 if (pNtQuerySystemInformation == NULL) {
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110 uv_fatal_error(GetLastError(), "GetProcAddress");
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111 }
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112
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113 pNtQueryInformationProcess = (sNtQueryInformationProcess) GetProcAddress(
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114 ntdll_module,
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115 "NtQueryInformationProcess");
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116 if (pNtQueryInformationProcess == NULL) {
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117 uv_fatal_error(GetLastError(), "GetProcAddress");
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118 }
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119
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120 powrprof_module = LoadLibraryExA("powrprof.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
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121 if (powrprof_module != NULL) {
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122 pPowerRegisterSuspendResumeNotification = (sPowerRegisterSuspendResumeNotification)
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123 GetProcAddress(powrprof_module, "PowerRegisterSuspendResumeNotification");
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124 }
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125
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126 user32_module = GetModuleHandleA("user32.dll");
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127 if (user32_module != NULL) {
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128 pSetWinEventHook = (sSetWinEventHook)
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129 GetProcAddress(user32_module, "SetWinEventHook");
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130 }
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131
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132 ws2_32_module = GetModuleHandleA("ws2_32.dll");
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133 if (ws2_32_module != NULL) {
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134 pGetHostNameW = (uv_sGetHostNameW) GetProcAddress(
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135 ws2_32_module,
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136 "GetHostNameW");
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137 }
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138
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139 api_win_core_file_module = GetModuleHandleA("api-ms-win-core-file-l2-1-4.dll");
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140 if (api_win_core_file_module != NULL) {
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141 pGetFileInformationByName = (sGetFileInformationByName)GetProcAddress(
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142 api_win_core_file_module, "GetFileInformationByName");
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143 }
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144 }
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