ReactOS 0.4.15-dev-7931-gfd331f1
mountmgr Class Reference

#include <mountmgr_local.h>

Collaboration diagram for mountmgr:

Public Member Functions

 mountmgr ()
 
 ~mountmgr ()
 
void create_point (const std::wstring_view &symlink, const std::wstring_view &device) const
 
void delete_points (const std::wstring_view &symlink, const std::wstring_view &unique_id=L"", const std::wstring_view &device_name=L"") const
 
std::vector< mountmgr_pointquery_points (const std::wstring_view &symlink=L"", const std::wstring_view &unique_id=L"", const std::wstring_view &device_name=L"") const
 

Private Attributes

HANDLE h
 

Detailed Description

Definition at line 24 of file mountmgr_local.h.

Constructor & Destructor Documentation

◆ mountmgr()

mountmgr::mountmgr ( )

Definition at line 11 of file mountmgr_local.cpp.

11 {
16
18 InitializeObjectAttributes(&attr, &us, 0, nullptr, nullptr);
19
22
23 if (!NT_SUCCESS(Status))
25}
LONG NTSTATUS
Definition: precomp.h:26
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define FILE_SHARE_READ
Definition: compat.h:136
#define FILE_SYNCHRONOUS_IO_ALERT
Definition: from_kernel.h:30
Status
Definition: gdiplustypes.h:25
GLfloat GLfloat GLfloat GLfloat h
Definition: glext.h:7723
#define MOUNTMGR_DEVICE_NAME
Definition: imports.h:76
static const BYTE us[]
Definition: encode.c:689
static PIO_STATUS_BLOCK iosb
Definition: file.c:98
#define InitializeObjectAttributes(p, n, a, r, s)
Definition: reg.c:106
NTSYSAPI NTSTATUS NTAPI NtOpenFile(OUT PHANDLE phFile, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN ULONG ShareMode, IN ULONG OpenMode)
Definition: file.c:3952
NTSYSAPI VOID NTAPI RtlInitUnicodeString(PUNICODE_STRING DestinationString, PCWSTR SourceString)
#define FILE_GENERIC_READ
Definition: nt_native.h:653
#define FILE_GENERIC_WRITE
Definition: nt_native.h:660
Definition: cookie.c:202

◆ ~mountmgr()

mountmgr::~mountmgr ( )

Definition at line 27 of file mountmgr_local.cpp.

27 {
28 NtClose(h);
29}
NTSTATUS NTAPI NtClose(IN HANDLE Handle)
Definition: obhandle.c:3402

Member Function Documentation

◆ create_point()

void mountmgr::create_point ( const std::wstring_view &  symlink,
const std::wstring_view &  device 
) const

Definition at line 31 of file mountmgr_local.cpp.

31 {
34
35 vector<uint8_t> buf(sizeof(MOUNTMGR_CREATE_POINT_INPUT) + ((symlink.length() + device.length()) * sizeof(WCHAR)));
36 auto mcpi = reinterpret_cast<MOUNTMGR_CREATE_POINT_INPUT*>(buf.data());
37
39 mcpi->SymbolicLinkNameLength = (USHORT)(symlink.length() * sizeof(WCHAR));
40 mcpi->DeviceNameOffset = (USHORT)(mcpi->SymbolicLinkNameOffset + mcpi->SymbolicLinkNameLength);
41 mcpi->DeviceNameLength = (USHORT)(device.length() * sizeof(WCHAR));
42
43 memcpy((uint8_t*)mcpi + mcpi->SymbolicLinkNameOffset, symlink.data(), symlink.length() * sizeof(WCHAR));
44 memcpy((uint8_t*)mcpi + mcpi->DeviceNameOffset, device.data(), device.length() * sizeof(WCHAR));
45
46 Status = NtDeviceIoControlFile(h, nullptr, nullptr, nullptr, &iosb, IOCTL_MOUNTMGR_CREATE_POINT,
47 buf.data(), (ULONG)buf.size(), nullptr, 0);
48
49 if (!NT_SUCCESS(Status))
51}
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
struct _MOUNTMGR_CREATE_POINT_INPUT MOUNTMGR_CREATE_POINT_INPUT
#define IOCTL_MOUNTMGR_CREATE_POINT
Definition: imports.h:118
BYTE uint8_t
Definition: msvideo1.c:66
NTSYSAPI NTSTATUS NTAPI NtDeviceIoControlFile(IN HANDLE hFile, IN HANDLE hEvent OPTIONAL, IN PIO_APC_ROUTINE IoApcRoutine OPTIONAL, IN PVOID IoApcContext OPTIONAL, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN ULONG DeviceIoControlCode, IN PVOID InBuffer OPTIONAL, IN ULONG InBufferLength, OUT PVOID OutBuffer OPTIONAL, IN ULONG OutBufferLength)
unsigned short USHORT
Definition: pedump.c:61
Definition: devices.h:37
uint32_t ULONG
Definition: typedefs.h:59
__wchar_t WCHAR
Definition: xmlstorage.h:180

Referenced by BtrfsChangeDriveLetter::do_change().

◆ delete_points()

void mountmgr::delete_points ( const std::wstring_view &  symlink,
const std::wstring_view &  unique_id = L"",
const std::wstring_view &  device_name = L"" 
) const

Definition at line 53 of file mountmgr_local.cpp.

53 {
56
57 vector<uint8_t> buf(sizeof(MOUNTMGR_MOUNT_POINT) + ((symlink.length() + unique_id.length() + device_name.length()) * sizeof(WCHAR)));
58 auto mmp = reinterpret_cast<MOUNTMGR_MOUNT_POINT*>(buf.data());
59
60 memset(mmp, 0, sizeof(MOUNTMGR_MOUNT_POINT));
61
62 if (symlink.length() > 0) {
63 mmp->SymbolicLinkNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
64 mmp->SymbolicLinkNameLength = (USHORT)(symlink.length() * sizeof(WCHAR));
65 memcpy((uint8_t*)mmp + mmp->SymbolicLinkNameOffset, symlink.data(), symlink.length() * sizeof(WCHAR));
66 }
67
68 if (unique_id.length() > 0) {
69 if (mmp->SymbolicLinkNameLength == 0)
70 mmp->UniqueIdOffset = sizeof(MOUNTMGR_MOUNT_POINT);
71 else
72 mmp->UniqueIdOffset = mmp->SymbolicLinkNameOffset + mmp->SymbolicLinkNameLength;
73
74 mmp->UniqueIdLength = (USHORT)(unique_id.length() * sizeof(WCHAR));
75 memcpy((uint8_t*)mmp + mmp->UniqueIdOffset, unique_id.data(), unique_id.length() * sizeof(WCHAR));
76 }
77
78 if (device_name.length() > 0) {
79 if (mmp->SymbolicLinkNameLength == 0 && mmp->UniqueIdOffset == 0)
80 mmp->DeviceNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
81 else if (mmp->SymbolicLinkNameLength != 0)
82 mmp->DeviceNameOffset = mmp->SymbolicLinkNameOffset + mmp->SymbolicLinkNameLength;
83 else
84 mmp->DeviceNameOffset = mmp->UniqueIdOffset + mmp->UniqueIdLength;
85
86 mmp->DeviceNameLength = (USHORT)(device_name.length() * sizeof(WCHAR));
87 memcpy((uint8_t*)mmp + mmp->DeviceNameOffset, device_name.data(), device_name.length() * sizeof(WCHAR));
88 }
89
91 auto mmps = reinterpret_cast<MOUNTMGR_MOUNT_POINTS*>(buf2.data());
92
93 Status = NtDeviceIoControlFile(h, nullptr, nullptr, nullptr, &iosb, IOCTL_MOUNTMGR_DELETE_POINTS,
94 buf.data(), (ULONG)buf.size(), buf2.data(), (ULONG)buf2.size());
95
97 buf2.resize(mmps->Size);
98
99 Status = NtDeviceIoControlFile(h, nullptr, nullptr, nullptr, &iosb, IOCTL_MOUNTMGR_DELETE_POINTS,
100 buf.data(), (ULONG)buf.size(), buf2.data(), (ULONG)buf2.size());
101 }
102
103 if (!NT_SUCCESS(Status))
104 throw ntstatus_error(Status);
105}
static const WCHAR device_name[]
Definition: btrfs.c:60
#define IOCTL_MOUNTMGR_DELETE_POINTS
Definition: imports.h:124
struct _MOUNTMGR_MOUNT_POINT MOUNTMGR_MOUNT_POINT
#define memset(x, y, z)
Definition: compat.h:39
#define STATUS_BUFFER_OVERFLOW
Definition: shellext.h:66

Referenced by BtrfsChangeDriveLetter::do_change().

◆ query_points()

vector< mountmgr_point > mountmgr::query_points ( const std::wstring_view &  symlink = L"",
const std::wstring_view &  unique_id = L"",
const std::wstring_view &  device_name = L"" 
) const

Definition at line 107 of file mountmgr_local.cpp.

107 {
111
112 vector<uint8_t> buf(sizeof(MOUNTMGR_MOUNT_POINT) + ((symlink.length() + unique_id.length() + device_name.length()) * sizeof(WCHAR)));
113 auto mmp = reinterpret_cast<MOUNTMGR_MOUNT_POINT*>(buf.data());
114
115 memset(mmp, 0, sizeof(MOUNTMGR_MOUNT_POINT));
116
117 if (symlink.length() > 0) {
118 mmp->SymbolicLinkNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
119 mmp->SymbolicLinkNameLength = (USHORT)(symlink.length() * sizeof(WCHAR));
120 memcpy((uint8_t*)mmp + mmp->SymbolicLinkNameOffset, symlink.data(), symlink.length() * sizeof(WCHAR));
121 }
122
123 if (unique_id.length() > 0) {
124 if (mmp->SymbolicLinkNameLength == 0)
125 mmp->UniqueIdOffset = sizeof(MOUNTMGR_MOUNT_POINT);
126 else
127 mmp->UniqueIdOffset = mmp->SymbolicLinkNameOffset + mmp->SymbolicLinkNameLength;
128
129 mmp->UniqueIdLength = (USHORT)(unique_id.length() * sizeof(WCHAR));
130 memcpy((uint8_t*)mmp + mmp->UniqueIdOffset, unique_id.data(), unique_id.length() * sizeof(WCHAR));
131 }
132
133 if (device_name.length() > 0) {
134 if (mmp->SymbolicLinkNameLength == 0 && mmp->UniqueIdOffset == 0)
135 mmp->DeviceNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
136 else if (mmp->SymbolicLinkNameLength != 0)
137 mmp->DeviceNameOffset = mmp->SymbolicLinkNameOffset + mmp->SymbolicLinkNameLength;
138 else
139 mmp->DeviceNameOffset = mmp->UniqueIdOffset + mmp->UniqueIdLength;
140
141 mmp->DeviceNameLength = (USHORT)(device_name.length() * sizeof(WCHAR));
142 memcpy((uint8_t*)mmp + mmp->DeviceNameOffset, device_name.data(), device_name.length() * sizeof(WCHAR));
143 }
144
146 auto mmps = reinterpret_cast<MOUNTMGR_MOUNT_POINTS*>(buf2.data());
147
148 Status = NtDeviceIoControlFile(h, nullptr, nullptr, nullptr, &iosb, IOCTL_MOUNTMGR_QUERY_POINTS,
149 buf.data(), (ULONG)buf.size(), buf2.data(), (ULONG)buf2.size());
150
152 throw ntstatus_error(Status);
153
154 buf2.resize(mmps->Size);
155 mmps = reinterpret_cast<MOUNTMGR_MOUNT_POINTS*>(buf2.data());
156
157 Status = NtDeviceIoControlFile(h, nullptr, nullptr, nullptr, &iosb, IOCTL_MOUNTMGR_QUERY_POINTS,
158 buf.data(), (ULONG)buf.size(), buf2.data(), (ULONG)buf2.size());
159
160 if (!NT_SUCCESS(Status))
161 throw ntstatus_error(Status);
162
163 for (ULONG i = 0; i < mmps->NumberOfMountPoints; i++) {
164 wstring_view mpsl, mpdn;
165 string_view mpuid;
166
167 if (mmps->MountPoints[i].SymbolicLinkNameLength)
168 mpsl = wstring_view((WCHAR*)((uint8_t*)mmps + mmps->MountPoints[i].SymbolicLinkNameOffset), mmps->MountPoints[i].SymbolicLinkNameLength / sizeof(WCHAR));
169
170 if (mmps->MountPoints[i].UniqueIdLength)
171 mpuid = string_view((char*)((uint8_t*)mmps + mmps->MountPoints[i].UniqueIdOffset), mmps->MountPoints[i].UniqueIdLength);
172
173 if (mmps->MountPoints[i].DeviceNameLength)
174 mpdn = wstring_view((WCHAR*)((uint8_t*)mmps + mmps->MountPoints[i].DeviceNameOffset), mmps->MountPoints[i].DeviceNameLength / sizeof(WCHAR));
175
176#ifndef __REACTOS__
177 v.emplace_back(mpsl, mpuid, mpdn);
178#else
179 v.push_back(mountmgr_point(mpsl, mpuid, mpdn));
180#endif
181 }
182
183 return v;
184}
const GLdouble * v
Definition: gl.h:2040
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define IOCTL_MOUNTMGR_QUERY_POINTS
Definition: mountmgr.h:30

Referenced by BtrfsChangeDriveLetter::DlgProc(), BtrfsChangeDriveLetter::do_change(), and find_devices().

Member Data Documentation

◆ h

HANDLE mountmgr::h
private

Definition at line 33 of file mountmgr_local.h.


The documentation for this class was generated from the following files: