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 /* Advapi32 function pointers */
40 sRtlGenRandom pRtlGenRandom;
41
42 /* Kernel32 function pointers */
43 sGetQueuedCompletionStatusEx pGetQueuedCompletionStatusEx;
44
45 /* Powrprof.dll function pointer */
46 sPowerRegisterSuspendResumeNotification pPowerRegisterSuspendResumeNotification;
47
48 /* User32.dll function pointer */
49 sSetWinEventHook pSetWinEventHook;
50
51
uv_winapi_init(void)52 void uv_winapi_init(void) {
53 HMODULE ntdll_module;
54 HMODULE powrprof_module;
55 HMODULE user32_module;
56 HMODULE kernel32_module;
57 HMODULE advapi32_module;
58
59 ntdll_module = GetModuleHandleA("ntdll.dll");
60 if (ntdll_module == NULL) {
61 uv_fatal_error(GetLastError(), "GetModuleHandleA");
62 }
63
64 pRtlGetVersion = (sRtlGetVersion) GetProcAddress(ntdll_module,
65 "RtlGetVersion");
66
67 pRtlNtStatusToDosError = (sRtlNtStatusToDosError) GetProcAddress(
68 ntdll_module,
69 "RtlNtStatusToDosError");
70 if (pRtlNtStatusToDosError == NULL) {
71 uv_fatal_error(GetLastError(), "GetProcAddress");
72 }
73
74 pNtDeviceIoControlFile = (sNtDeviceIoControlFile) GetProcAddress(
75 ntdll_module,
76 "NtDeviceIoControlFile");
77 if (pNtDeviceIoControlFile == NULL) {
78 uv_fatal_error(GetLastError(), "GetProcAddress");
79 }
80
81 pNtQueryInformationFile = (sNtQueryInformationFile) GetProcAddress(
82 ntdll_module,
83 "NtQueryInformationFile");
84 if (pNtQueryInformationFile == NULL) {
85 uv_fatal_error(GetLastError(), "GetProcAddress");
86 }
87
88 pNtSetInformationFile = (sNtSetInformationFile) GetProcAddress(
89 ntdll_module,
90 "NtSetInformationFile");
91 if (pNtSetInformationFile == NULL) {
92 uv_fatal_error(GetLastError(), "GetProcAddress");
93 }
94
95 pNtQueryVolumeInformationFile = (sNtQueryVolumeInformationFile)
96 GetProcAddress(ntdll_module, "NtQueryVolumeInformationFile");
97 if (pNtQueryVolumeInformationFile == NULL) {
98 uv_fatal_error(GetLastError(), "GetProcAddress");
99 }
100
101 pNtQueryDirectoryFile = (sNtQueryDirectoryFile)
102 GetProcAddress(ntdll_module, "NtQueryDirectoryFile");
103 if (pNtQueryVolumeInformationFile == NULL) {
104 uv_fatal_error(GetLastError(), "GetProcAddress");
105 }
106
107 pNtQuerySystemInformation = (sNtQuerySystemInformation) GetProcAddress(
108 ntdll_module,
109 "NtQuerySystemInformation");
110 if (pNtQuerySystemInformation == NULL) {
111 uv_fatal_error(GetLastError(), "GetProcAddress");
112 }
113
114 pNtQueryInformationProcess = (sNtQueryInformationProcess) GetProcAddress(
115 ntdll_module,
116 "NtQueryInformationProcess");
117 if (pNtQueryInformationProcess == NULL) {
118 uv_fatal_error(GetLastError(), "GetProcAddress");
119 }
120
121 kernel32_module = GetModuleHandleA("kernel32.dll");
122 if (kernel32_module == NULL) {
123 uv_fatal_error(GetLastError(), "GetModuleHandleA");
124 }
125
126 pGetQueuedCompletionStatusEx = (sGetQueuedCompletionStatusEx) GetProcAddress(
127 kernel32_module,
128 "GetQueuedCompletionStatusEx");
129
130 powrprof_module = LoadLibraryA("powrprof.dll");
131 if (powrprof_module != NULL) {
132 pPowerRegisterSuspendResumeNotification = (sPowerRegisterSuspendResumeNotification)
133 GetProcAddress(powrprof_module, "PowerRegisterSuspendResumeNotification");
134 }
135
136 user32_module = LoadLibraryA("user32.dll");
137 if (user32_module != NULL) {
138 pSetWinEventHook = (sSetWinEventHook)
139 GetProcAddress(user32_module, "SetWinEventHook");
140 }
141
142 advapi32_module = GetModuleHandleA("advapi32.dll");
143 if (advapi32_module == NULL) {
144 uv_fatal_error(GetLastError(), "GetModuleHandleA");
145 }
146
147 pRtlGenRandom =
148 (sRtlGenRandom) GetProcAddress(advapi32_module, "SystemFunction036");
149 }
150