1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include <assert.h>
23
24 #include "uv.h"
25 #include "internal.h"
26
27
28 /* Ntdll function pointers */
29 sRtlGetVersion pRtlGetVersion;
30 sRtlNtStatusToDosError pRtlNtStatusToDosError;
31 sNtDeviceIoControlFile pNtDeviceIoControlFile;
32 sNtQueryInformationFile pNtQueryInformationFile;
33 sNtSetInformationFile pNtSetInformationFile;
34 sNtQueryVolumeInformationFile pNtQueryVolumeInformationFile;
35 sNtQueryDirectoryFile pNtQueryDirectoryFile;
36 sNtQuerySystemInformation pNtQuerySystemInformation;
37 sNtQueryInformationProcess pNtQueryInformationProcess;
38
39 /* Kernel32 function pointers */
40 sGetQueuedCompletionStatusEx pGetQueuedCompletionStatusEx;
41
42 /* Powrprof.dll function pointer */
43 sPowerRegisterSuspendResumeNotification pPowerRegisterSuspendResumeNotification;
44
45 /* User32.dll function pointer */
46 sSetWinEventHook pSetWinEventHook;
47
48 /* ws2_32.dll function pointer */
49 uv_sGetHostNameW pGetHostNameW;
50
51 /* api-ms-win-core-file-l2-1-4.dll function pointer */
52 sGetFileInformationByName pGetFileInformationByName;
53
uv__winapi_init(void)54 void uv__winapi_init(void) {
55 HMODULE ntdll_module;
56 HMODULE powrprof_module;
57 HMODULE user32_module;
58 HMODULE kernel32_module;
59 HMODULE ws2_32_module;
60 HMODULE api_win_core_file_module;
61
62 ntdll_module = GetModuleHandleA("ntdll.dll");
63 if (ntdll_module == NULL) {
64 uv_fatal_error(GetLastError(), "GetModuleHandleA");
65 }
66
67 pRtlGetVersion = (sRtlGetVersion) GetProcAddress(ntdll_module,
68 "RtlGetVersion");
69
70 pRtlNtStatusToDosError = (sRtlNtStatusToDosError) GetProcAddress(
71 ntdll_module,
72 "RtlNtStatusToDosError");
73 if (pRtlNtStatusToDosError == NULL) {
74 uv_fatal_error(GetLastError(), "GetProcAddress");
75 }
76
77 pNtDeviceIoControlFile = (sNtDeviceIoControlFile) GetProcAddress(
78 ntdll_module,
79 "NtDeviceIoControlFile");
80 if (pNtDeviceIoControlFile == NULL) {
81 uv_fatal_error(GetLastError(), "GetProcAddress");
82 }
83
84 pNtQueryInformationFile = (sNtQueryInformationFile) GetProcAddress(
85 ntdll_module,
86 "NtQueryInformationFile");
87 if (pNtQueryInformationFile == NULL) {
88 uv_fatal_error(GetLastError(), "GetProcAddress");
89 }
90
91 pNtSetInformationFile = (sNtSetInformationFile) GetProcAddress(
92 ntdll_module,
93 "NtSetInformationFile");
94 if (pNtSetInformationFile == NULL) {
95 uv_fatal_error(GetLastError(), "GetProcAddress");
96 }
97
98 pNtQueryVolumeInformationFile = (sNtQueryVolumeInformationFile)
99 GetProcAddress(ntdll_module, "NtQueryVolumeInformationFile");
100 if (pNtQueryVolumeInformationFile == NULL) {
101 uv_fatal_error(GetLastError(), "GetProcAddress");
102 }
103
104 pNtQueryDirectoryFile = (sNtQueryDirectoryFile)
105 GetProcAddress(ntdll_module, "NtQueryDirectoryFile");
106 if (pNtQueryDirectoryFile == NULL) {
107 uv_fatal_error(GetLastError(), "GetProcAddress");
108 }
109
110 pNtQuerySystemInformation = (sNtQuerySystemInformation) GetProcAddress(
111 ntdll_module,
112 "NtQuerySystemInformation");
113 if (pNtQuerySystemInformation == NULL) {
114 uv_fatal_error(GetLastError(), "GetProcAddress");
115 }
116
117 pNtQueryInformationProcess = (sNtQueryInformationProcess) GetProcAddress(
118 ntdll_module,
119 "NtQueryInformationProcess");
120 if (pNtQueryInformationProcess == NULL) {
121 uv_fatal_error(GetLastError(), "GetProcAddress");
122 }
123
124 kernel32_module = GetModuleHandleA("kernel32.dll");
125 if (kernel32_module == NULL) {
126 uv_fatal_error(GetLastError(), "GetModuleHandleA");
127 }
128
129 pGetQueuedCompletionStatusEx = (sGetQueuedCompletionStatusEx) GetProcAddress(
130 kernel32_module,
131 "GetQueuedCompletionStatusEx");
132
133 powrprof_module = LoadLibraryExA("powrprof.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
134 if (powrprof_module != NULL) {
135 pPowerRegisterSuspendResumeNotification = (sPowerRegisterSuspendResumeNotification)
136 GetProcAddress(powrprof_module, "PowerRegisterSuspendResumeNotification");
137 }
138
139 user32_module = GetModuleHandleA("user32.dll");
140 if (user32_module != NULL) {
141 pSetWinEventHook = (sSetWinEventHook)
142 GetProcAddress(user32_module, "SetWinEventHook");
143 }
144
145 ws2_32_module = GetModuleHandleA("ws2_32.dll");
146 if (ws2_32_module != NULL) {
147 pGetHostNameW = (uv_sGetHostNameW) GetProcAddress(
148 ws2_32_module,
149 "GetHostNameW");
150 }
151
152 api_win_core_file_module = GetModuleHandleA("api-ms-win-core-file-l2-1-4.dll");
153 if (api_win_core_file_module != NULL) {
154 pGetFileInformationByName = (sGetFileInformationByName)GetProcAddress(
155 api_win_core_file_module, "GetFileInformationByName");
156 }
157 }
158
