ReactOS 0.4.15-dev-7934-g1dc8d80
Public Member Functions | Private Member Functions | Private Attributes | List of all members
BtrfsRecv Class Reference

#include <recv.h>

Collaboration diagram for BtrfsRecv:
Collaboration graph
[legend]

Public Member Functions

 BtrfsRecv ()
 
virtual ~BtrfsRecv ()
 
void Open (HWND hwnd, const wstring &file, const wstring &path, bool quiet)
 
DWORD recv_thread ()
 
INT_PTR CALLBACK RecvProgressDlgProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 

Private Member Functions

void cmd_subvol (HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
 
void cmd_snapshot (HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
 
void cmd_mkfile (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_rename (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_link (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_unlink (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_rmdir (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_setxattr (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_removexattr (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_write (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_clone (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_truncate (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_chmod (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_chown (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void cmd_utimes (HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
 
void add_cache_entry (BTRFS_UUID *uuid, uint64_t transid, const wstring &path)
 
bool find_tlv (uint8_t *data, ULONG datalen, uint16_t type, void **value, ULONG *len)
 
void do_recv (const win_handle &f, uint64_t *pos, uint64_t size, const win_handle &parent)
 

Private Attributes

HANDLE dir
 
HANDLE master
 
HANDLE thread
 
HANDLE lastwritefile
 
HWND hwnd
 
wstring streamfile
 
wstring dirpath
 
wstring subvolpath
 
wstring lastwritepath
 
DWORD lastwriteatt
 
ULONG num_received
 
uint64_t stransid
 
BTRFS_UUID subvol_uuid
 
bool running
 
bool cancelling
 
vector< subvol_cache > cache
 

Detailed Description

Definition at line 35 of file recv.h.

Constructor & Destructor Documentation

◆ BtrfsRecv()

BtrfsRecv::BtrfsRecv ( )
inline

Definition at line 37 of file recv.h.

37 {
38 thread = nullptr;
39 master = INVALID_HANDLE_VALUE;
40 dir = INVALID_HANDLE_VALUE;
41 running = false;
42 cancelling = false;
43 stransid = 0;
44 num_received = 0;
45 hwnd = nullptr;
46 cache.clear();
47 }
BtrfsRecv::stransid
uint64_t stransid
Definition: recv.h:82
BtrfsRecv::dir
HANDLE dir
Definition: recv.h:77
BtrfsRecv::running
bool running
Definition: recv.h:84
BtrfsRecv::thread
HANDLE thread
Definition: recv.h:77
BtrfsRecv::master
HANDLE master
Definition: recv.h:77
BtrfsRecv::num_received
ULONG num_received
Definition: recv.h:81
BtrfsRecv::cancelling
bool cancelling
Definition: recv.h:84
INVALID_HANDLE_VALUE
#define INVALID_HANDLE_VALUE
Definition: compat.h:731
cache
Definition: cache.c:49
hwnd
_In_ LONG _In_ HWND hwnd
Definition: winddi.h:4023

◆ ~BtrfsRecv()

virtual BtrfsRecv::~BtrfsRecv ( )
inlinevirtual

Definition at line 49 of file recv.h.

49 {
50 cache.clear();
51 }

Member Function Documentation

◆ add_cache_entry()

void BtrfsRecv::add_cache_entry ( BTRFS_UUID *  uuid,
uint64_t  transid,
const wstring &  path 
)
private

Definition at line 147 of file recv.cpp.

147 {
148 subvol_cache sc;
149
150 sc.uuid = *uuid;
151 sc.transid = transid;
152 sc.path = path;
153
154 cache.push_back(sc);
155}
uuid
Definition: msctf.idl:550
subvol_cache
Definition: recv.h:29
subvol_cache::uuid
BTRFS_UUID uuid
Definition: recv.h:30
subvol_cache::transid
uint64_t transid
Definition: recv.h:31
subvol_cache::path
wstring path
Definition: recv.h:32

Referenced by cmd_clone(), cmd_snapshot(), and cmd_subvol().

◆ cmd_chmod()

void BtrfsRecv::cmd_chmod ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 980 of file recv.cpp.

980 {
981 win_handle h;
982 uint32_t* mode;
983 ULONG modelen;
984 wstring pathu;
985 btrfs_set_inode_info bsii;
986 NTSTATUS Status;
987 IO_STATUS_BLOCK iosb;
988
989 {
990 char* path;
991 ULONG pathlen;
992
993 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
994 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
995
996 pathu = utf8_to_utf16(string(path, pathlen));
997 }
998
999 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen))
1000 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"mode");
1001
1002 if (modelen < sizeof(uint32_t))
1003 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint32_t));
1004
1005 h = CreateFileW((subvolpath + pathu).c_str(), WRITE_DAC, 0, nullptr, OPEN_EXISTING,
1006 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1007 if (h == INVALID_HANDLE_VALUE)
1008 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1009
1010 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
1011
1012 bsii.mode_changed = true;
1013 bsii.st_mode = *mode;
1014
1015 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
1016 if (!NT_SUCCESS(Status))
1017 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
1018}
NTSTATUS
LONG NTSTATUS
Definition: precomp.h:26
FSCTL_BTRFS_SET_INODE_INFO
#define FSCTL_BTRFS_SET_INODE_INFO
Definition: btrfsioctl.h:11
BtrfsRecv::find_tlv
bool find_tlv(uint8_t *data, ULONG datalen, uint16_t type, void **value, ULONG *len)
Definition: recv.cpp:45
BtrfsRecv::subvolpath
wstring subvolpath
Definition: recv.h:79
string_error
Definition: shellext.h:352
win_handle
Definition: shellext.h:226
uint32_t
UINT32 uint32_t
Definition: types.h:75
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
format_ntstatus
wstring format_ntstatus(NTSTATUS Status)
Definition: main.cpp:184
utf8_to_utf16
wstring utf8_to_utf16(const string_view &utf8)
Definition: main.cpp:734
IDS_RECV_SETINODEINFO_FAILED
#define IDS_RECV_SETINODEINFO_FAILED
Definition: resource.h:150
IDS_RECV_CANT_OPEN_FILE
#define IDS_RECV_CANT_OPEN_FILE
Definition: resource.h:132
IDS_RECV_SHORT_PARAM
#define IDS_RECV_SHORT_PARAM
Definition: resource.h:140
IDS_RECV_MISSING_PARAM
#define IDS_RECV_MISSING_PARAM
Definition: resource.h:139
OPEN_EXISTING
#define OPEN_EXISTING
Definition: compat.h:775
CreateFileW
#define CreateFileW
Definition: compat.h:741
BTRFS_SEND_TLV_PATH
#define BTRFS_SEND_TLV_PATH
Definition: btrfs.h:582
BTRFS_SEND_TLV_MODE
#define BTRFS_SEND_TLV_MODE
Definition: btrfs.h:572
FILE_OPEN_REPARSE_POINT
#define FILE_OPEN_REPARSE_POINT
Definition: from_kernel.h:46
Status
Status
Definition: gdiplustypes.h:25
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
mode
GLenum mode
Definition: glext.h:6217
h
GLfloat GLfloat GLfloat GLfloat h
Definition: glext.h:7723
format_message
format_message(j_common_ptr cinfo, char *buffer)
Definition: jerror.c:158
FILE_FLAG_POSIX_SEMANTICS
#define FILE_FLAG_POSIX_SEMANTICS
Definition: disk.h:40
FILE_FLAG_BACKUP_SEMANTICS
#define FILE_FLAG_BACKUP_SEMANTICS
Definition: disk.h:41
iosb
static PIO_STATUS_BLOCK iosb
Definition: file.c:98
WRITE_DAC
#define WRITE_DAC
Definition: nt_native.h:59
NtFsControlFile
NTSYSAPI NTSTATUS NTAPI NtFsControlFile(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)
L
#define L(x)
Definition: ntvdm.h:50
memset
#define memset(x, y, z)
Definition: compat.h:39
funcname
#define funcname
Definition: shellext.h:96
_IO_STATUS_BLOCK
Definition: env_spec_w32.h:870
btrfs_set_inode_info
Definition: btrfsioctl.h:89
btrfs_set_inode_info::mode_changed
BOOL mode_changed
Definition: btrfsioctl.h:97
btrfs_set_inode_info::st_mode
uint32_t st_mode
Definition: btrfsioctl.h:96
cmd
Definition: ftp_var.h:139
ULONG
uint32_t ULONG
Definition: typedefs.h:59
GetLastError
DWORD WINAPI GetLastError(void)
Definition: except.c:1042

Referenced by do_recv().

◆ cmd_chown()

void BtrfsRecv::cmd_chown ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 1020 of file recv.cpp.

1020 {
1021 win_handle h;
1022 uint32_t *uid, *gid;
1023 ULONG uidlen, gidlen;
1024 wstring pathu;
1025 btrfs_set_inode_info bsii;
1026
1027 {
1028 char* path;
1029 ULONG pathlen;
1030
1031 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
1032 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
1033
1034 pathu = utf8_to_utf16(string(path, pathlen));
1035 }
1036
1037 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_ATTRIBUTES | WRITE_OWNER | WRITE_DAC, 0, nullptr, OPEN_EXISTING,
1038 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1039 if (h == INVALID_HANDLE_VALUE)
1040 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1041
1042 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
1043
1044 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_UID, (void**)&uid, &uidlen)) {
1045 if (uidlen < sizeof(uint32_t))
1046 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uid", uidlen, sizeof(uint32_t));
1047
1048 bsii.uid_changed = true;
1049 bsii.st_uid = *uid;
1050 }
1051
1052 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_GID, (void**)&gid, &gidlen)) {
1053 if (gidlen < sizeof(uint32_t))
1054 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"gid", gidlen, sizeof(uint32_t));
1055
1056 bsii.gid_changed = true;
1057 bsii.st_gid = *gid;
1058 }
1059
1060 if (bsii.uid_changed || bsii.gid_changed) {
1061 NTSTATUS Status;
1062 IO_STATUS_BLOCK iosb;
1063
1064 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
1065 if (!NT_SUCCESS(Status))
1066 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
1067 }
1068}
BTRFS_SEND_TLV_GID
#define BTRFS_SEND_TLV_GID
Definition: btrfs.h:574
BTRFS_SEND_TLV_UID
#define BTRFS_SEND_TLV_UID
Definition: btrfs.h:573
FILE_WRITE_ATTRIBUTES
#define FILE_WRITE_ATTRIBUTES
Definition: nt_native.h:649
WRITE_OWNER
#define WRITE_OWNER
Definition: nt_native.h:60
btrfs_set_inode_info::st_uid
uint32_t st_uid
Definition: btrfsioctl.h:92
btrfs_set_inode_info::gid_changed
BOOL gid_changed
Definition: btrfsioctl.h:95
btrfs_set_inode_info::st_gid
uint32_t st_gid
Definition: btrfsioctl.h:94
btrfs_set_inode_info::uid_changed
BOOL uid_changed
Definition: btrfsioctl.h:93

Referenced by do_recv().

◆ cmd_clone()

void BtrfsRecv::cmd_clone ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 791 of file recv.cpp.

791 {
792 uint64_t *offset, *cloneoffset, *clonetransid, *clonelen;
793 BTRFS_UUID* cloneuuid;
794 ULONG i, offsetlen, cloneoffsetlen, cloneuuidlen, clonetransidlen, clonelenlen;
795 wstring pathu, clonepathu, clonepar;
796 btrfs_find_subvol bfs;
797 NTSTATUS Status;
798 IO_STATUS_BLOCK iosb;
799 WCHAR cloneparw[MAX_PATH];
800 DUPLICATE_EXTENTS_DATA ded;
801 LARGE_INTEGER filesize;
802 bool found = false;
803
804 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_OFFSET, (void**)&offset, &offsetlen))
805 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"offset");
806
807 if (offsetlen < sizeof(uint64_t))
808 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"offset", offsetlen, sizeof(uint64_t));
809
810 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_LENGTH, (void**)&clonelen, &clonelenlen))
811 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_len");
812
813 if (clonelenlen < sizeof(uint64_t))
814 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_len", clonelenlen, sizeof(uint64_t));
815
816 {
817 char* path;
818 ULONG pathlen;
819
820 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
821 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
822
823 pathu = utf8_to_utf16(string(path, pathlen));
824 }
825
826 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_UUID, (void**)&cloneuuid, &cloneuuidlen))
827 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_uuid");
828
829 if (cloneuuidlen < sizeof(BTRFS_UUID))
830 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_uuid", cloneuuidlen, sizeof(BTRFS_UUID));
831
832 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_CTRANSID, (void**)&clonetransid, &clonetransidlen))
833 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_ctransid");
834
835 if (clonetransidlen < sizeof(uint64_t))
836 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_ctransid", clonetransidlen, sizeof(uint64_t));
837
838 {
839 char* clonepath;
840 ULONG clonepathlen;
841
842 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_PATH, (void**)&clonepath, &clonepathlen))
843 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_path");
844
845 clonepathu = utf8_to_utf16(string(clonepath, clonepathlen));
846 }
847
848 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_OFFSET, (void**)&cloneoffset, &cloneoffsetlen))
849 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_offset");
850
851 if (cloneoffsetlen < sizeof(uint64_t))
852 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_offset", cloneoffsetlen, sizeof(uint64_t));
853
854 for (i = 0; i < cache.size(); i++) {
855 if (!memcmp(cloneuuid, &cache[i].uuid, sizeof(BTRFS_UUID)) && *clonetransid == cache[i].transid) {
856 clonepar = cache[i].path;
857 found = true;
858 break;
859 }
860 }
861
862 if (!found) {
863 WCHAR volpathw[MAX_PATH];
864
865 bfs.uuid = *cloneuuid;
866 bfs.ctransid = *clonetransid;
867
868 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_FIND_SUBVOL, &bfs, sizeof(btrfs_find_subvol),
869 cloneparw, sizeof(cloneparw));
870 if (Status == STATUS_NOT_FOUND)
871 throw string_error(IDS_RECV_CANT_FIND_CLONE_SUBVOL);
872 else if (!NT_SUCCESS(Status))
873 throw string_error(IDS_RECV_FIND_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
874
875 if (!GetVolumePathNameW(dirpath.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
876 throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
877
878 clonepar = volpathw;
879 if (clonepar.substr(clonepar.length() - 1) == L"\\")
880 clonepar = clonepar.substr(0, clonepar.length() - 1);
881
882 clonepar += cloneparw;
883 clonepar += L"\\";
884
885 add_cache_entry(cloneuuid, *clonetransid, clonepar);
886 }
887
888 {
889 win_handle src = CreateFileW((clonepar + clonepathu).c_str(), FILE_READ_DATA, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
890 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
891 if (src == INVALID_HANDLE_VALUE)
892 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, (clonepar + clonepathu).c_str(), GetLastError(), format_message(GetLastError()).c_str());
893
894 win_handle dest = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
895 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
896 if (dest == INVALID_HANDLE_VALUE)
897 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
898
899 if (!GetFileSizeEx(dest, &filesize))
900 throw string_error(IDS_RECV_GETFILESIZEEX_FAILED, GetLastError(), format_message(GetLastError()).c_str());
901
902 if ((uint64_t)filesize.QuadPart < *offset + *clonelen) {
903 LARGE_INTEGER sizeli;
904
905 sizeli.QuadPart = *offset + *clonelen;
906
907 if (SetFilePointer(dest, sizeli.LowPart, &sizeli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
908 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
909
910 if (!SetEndOfFile(dest))
911 throw string_error(IDS_RECV_SETENDOFFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
912 }
913
914 ded.FileHandle = src;
915 ded.SourceFileOffset.QuadPart = *cloneoffset;
916 ded.TargetFileOffset.QuadPart = *offset;
917 ded.ByteCount.QuadPart = *clonelen;
918
919 Status = NtFsControlFile(dest, nullptr, nullptr, nullptr, &iosb, FSCTL_DUPLICATE_EXTENTS_TO_FILE, &ded, sizeof(DUPLICATE_EXTENTS_DATA),
920 nullptr, 0);
921 if (!NT_SUCCESS(Status))
922 throw string_error(IDS_RECV_DUPLICATE_EXTENTS_FAILED, Status, format_ntstatus(Status).c_str());
923 }
924}
memcmp
int memcmp(void *Buffer1, void *Buffer2, ACPI_SIZE Count)
Definition: utclib.c:112
FSCTL_BTRFS_FIND_SUBVOL
#define FSCTL_BTRFS_FIND_SUBVOL
Definition: btrfsioctl.h:35
BtrfsRecv::add_cache_entry
void add_cache_entry(BTRFS_UUID *uuid, uint64_t transid, const wstring &path)
Definition: recv.cpp:147
BtrfsRecv::dirpath
wstring dirpath
Definition: recv.h:79
uint64_t
UINT64 uint64_t
Definition: types.h:77
IDS_RECV_DUPLICATE_EXTENTS_FAILED
#define IDS_RECV_DUPLICATE_EXTENTS_FAILED
Definition: resource.h:174
IDS_RECV_SETFILEPOINTER_FAILED
#define IDS_RECV_SETFILEPOINTER_FAILED
Definition: resource.h:144
IDS_RECV_CANT_FIND_CLONE_SUBVOL
#define IDS_RECV_CANT_FIND_CLONE_SUBVOL
Definition: resource.h:172
IDS_RECV_SETENDOFFILE_FAILED
#define IDS_RECV_SETENDOFFILE_FAILED
Definition: resource.h:147
IDS_RECV_GETVOLUMEPATHNAME_FAILED
#define IDS_RECV_GETVOLUMEPATHNAME_FAILED
Definition: resource.h:169
IDS_RECV_FIND_SUBVOL_FAILED
#define IDS_RECV_FIND_SUBVOL_FAILED
Definition: resource.h:167
IDS_RECV_GETFILESIZEEX_FAILED
#define IDS_RECV_GETFILESIZEEX_FAILED
Definition: resource.h:173
FILE_BEGIN
#define FILE_BEGIN
Definition: compat.h:761
INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER
Definition: compat.h:732
SetFilePointer
#define SetFilePointer
Definition: compat.h:743
MAX_PATH
#define MAX_PATH
Definition: compat.h:34
GetFileSizeEx
#define GetFileSizeEx
Definition: compat.h:757
FILE_SHARE_READ
#define FILE_SHARE_READ
Definition: compat.h:136
SetEndOfFile
BOOL WINAPI SetEndOfFile(HANDLE hFile)
Definition: fileinfo.c:1004
GetVolumePathNameW
BOOL WINAPI GetVolumePathNameW(IN LPCWSTR lpszFileName, IN LPWSTR lpszVolumePathName, IN DWORD cchBufferLength)
Definition: volume.c:815
BTRFS_SEND_TLV_CLONE_UUID
#define BTRFS_SEND_TLV_CLONE_UUID
Definition: btrfs.h:587
BTRFS_SEND_TLV_CLONE_OFFSET
#define BTRFS_SEND_TLV_CLONE_OFFSET
Definition: btrfs.h:590
BTRFS_SEND_TLV_CLONE_PATH
#define BTRFS_SEND_TLV_CLONE_PATH
Definition: btrfs.h:589
BTRFS_SEND_TLV_CLONE_LENGTH
#define BTRFS_SEND_TLV_CLONE_LENGTH
Definition: btrfs.h:591
BTRFS_SEND_TLV_OFFSET
#define BTRFS_SEND_TLV_OFFSET
Definition: btrfs.h:585
BTRFS_SEND_TLV_CLONE_CTRANSID
#define BTRFS_SEND_TLV_CLONE_CTRANSID
Definition: btrfs.h:588
src
GLenum src
Definition: glext.h:6340
offset
GLintptr offset
Definition: glext.h:5920
i
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
dest
static char * dest
Definition: rtl.c:135
FILE_SHARE_WRITE
#define FILE_SHARE_WRITE
Definition: nt_native.h:681
FILE_WRITE_DATA
#define FILE_WRITE_DATA
Definition: nt_native.h:631
FILE_READ_DATA
#define FILE_READ_DATA
Definition: nt_native.h:628
FILE_SHARE_DELETE
#define FILE_SHARE_DELETE
Definition: nt_native.h:682
FSCTL_DUPLICATE_EXTENTS_TO_FILE
#define FSCTL_DUPLICATE_EXTENTS_TO_FILE
Definition: shellext.h:205
STATUS_NOT_FOUND
#define STATUS_NOT_FOUND
Definition: shellext.h:72
BTRFS_UUID
Definition: btrfs.h:139
_DUPLICATE_EXTENTS_DATA
Definition: shellext.h:198
_DUPLICATE_EXTENTS_DATA::FileHandle
HANDLE FileHandle
Definition: shellext.h:199
_DUPLICATE_EXTENTS_DATA::ByteCount
LARGE_INTEGER ByteCount
Definition: shellext.h:202
_DUPLICATE_EXTENTS_DATA::SourceFileOffset
LARGE_INTEGER SourceFileOffset
Definition: shellext.h:200
_DUPLICATE_EXTENTS_DATA::TargetFileOffset
LARGE_INTEGER TargetFileOffset
Definition: shellext.h:201
btrfs_find_subvol
Definition: btrfsioctl.h:262
btrfs_find_subvol::uuid
BTRFS_UUID uuid
Definition: btrfsioctl.h:263
btrfs_find_subvol::ctransid
uint64_t ctransid
Definition: btrfsioctl.h:264
_LARGE_INTEGER
Definition: typedefs.h:103
_LARGE_INTEGER::QuadPart
LONGLONG QuadPart
Definition: typedefs.h:114
_LARGE_INTEGER::LowPart
ULONG LowPart
Definition: typedefs.h:106
_LARGE_INTEGER::HighPart
LONG HighPart
Definition: typedefs.h:107
WCHAR
__wchar_t WCHAR
Definition: xmlstorage.h:180

Referenced by do_recv().

◆ cmd_link()

void BtrfsRecv::cmd_link ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 457 of file recv.cpp.

457 {
458 wstring pathu, path_linku;
459
460 {
461 char* path;
462 ULONG path_len;
463
464 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &path_len))
465 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
466
467 pathu = utf8_to_utf16(string(path, path_len));
468 }
469
470 {
471 char* path_link;
472 ULONG path_link_len;
473
474 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_LINK, (void**)&path_link, &path_link_len))
475 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_link");
476
477 path_linku = utf8_to_utf16(string(path_link, path_link_len));
478 }
479
480 if (!CreateHardLinkW((subvolpath + pathu).c_str(), (subvolpath + path_linku).c_str(), nullptr))
481 throw string_error(IDS_RECV_CREATEHARDLINK_FAILED, pathu.c_str(), path_linku.c_str(), GetLastError(), format_message(GetLastError()).c_str());
482}
IDS_RECV_CREATEHARDLINK_FAILED
#define IDS_RECV_CREATEHARDLINK_FAILED
Definition: resource.h:146
BTRFS_SEND_TLV_PATH_LINK
#define BTRFS_SEND_TLV_PATH_LINK
Definition: btrfs.h:584
path_len
static DWORD path_len
Definition: batch.c:31

Referenced by do_recv().

◆ cmd_mkfile()

void BtrfsRecv::cmd_mkfile ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 280 of file recv.cpp.

280 {
281 uint64_t *inode, *rdev = nullptr, *mode = nullptr;
282 ULONG inodelen;
283 NTSTATUS Status;
284 IO_STATUS_BLOCK iosb;
285 btrfs_mknod* bmn;
286 wstring nameu, pathlinku;
287
288 {
289 char* name;
290 ULONG namelen;
291
292 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&name, &namelen))
293 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
294
295 nameu = utf8_to_utf16(string(name, namelen));
296 }
297
298 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_INODE, (void**)&inode, &inodelen))
299 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"inode");
300
301 if (inodelen < sizeof(uint64_t))
302 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"inode", inodelen, sizeof(uint64_t));
303
304 if (cmd->cmd == BTRFS_SEND_CMD_MKNOD || cmd->cmd == BTRFS_SEND_CMD_MKFIFO || cmd->cmd == BTRFS_SEND_CMD_MKSOCK) {
305 ULONG rdevlen, modelen;
306
307 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_RDEV, (void**)&rdev, &rdevlen))
308 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"rdev");
309
310 if (rdevlen < sizeof(uint64_t))
311 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"rdev", rdev, sizeof(uint64_t));
312
313 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen))
314 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"mode");
315
316 if (modelen < sizeof(uint64_t))
317 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint64_t));
318 } else if (cmd->cmd == BTRFS_SEND_CMD_SYMLINK) {
319 char* pathlink;
320 ULONG pathlinklen;
321
322 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_LINK, (void**)&pathlink, &pathlinklen))
323 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_link");
324
325 pathlinku = utf8_to_utf16(string(pathlink, pathlinklen));
326 }
327
328 size_t bmnsize = sizeof(btrfs_mknod) - sizeof(WCHAR) + (nameu.length() * sizeof(WCHAR));
329 bmn = (btrfs_mknod*)malloc(bmnsize);
330
331 bmn->inode = *inode;
332
333 if (cmd->cmd == BTRFS_SEND_CMD_MKDIR)
334 bmn->type = BTRFS_TYPE_DIRECTORY;
335 else if (cmd->cmd == BTRFS_SEND_CMD_MKNOD)
336 bmn->type = *mode & S_IFCHR ? BTRFS_TYPE_CHARDEV : BTRFS_TYPE_BLOCKDEV;
337 else if (cmd->cmd == BTRFS_SEND_CMD_MKFIFO)
338 bmn->type = BTRFS_TYPE_FIFO;
339 else if (cmd->cmd == BTRFS_SEND_CMD_MKSOCK)
340 bmn->type = BTRFS_TYPE_SOCKET;
341 else
342 bmn->type = BTRFS_TYPE_FILE;
343
344 bmn->st_rdev = rdev ? *rdev : 0;
345 bmn->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
346 memcpy(bmn->name, nameu.c_str(), bmn->namelen);
347
348 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_MKNOD, bmn, (ULONG)bmnsize, nullptr, 0);
349 if (!NT_SUCCESS(Status)) {
350 free(bmn);
351 throw string_error(IDS_RECV_MKNOD_FAILED, Status, format_ntstatus(Status).c_str());
352 }
353
354 free(bmn);
355
356 if (cmd->cmd == BTRFS_SEND_CMD_SYMLINK) {
357 REPARSE_DATA_BUFFER* rdb;
358 btrfs_set_inode_info bsii;
359
360 size_t rdblen = offsetof(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer[0]) + (2 * pathlinku.length() * sizeof(WCHAR));
361
362 if (rdblen >= 0x10000)
363 throw string_error(IDS_RECV_PATH_TOO_LONG, funcname);
364
365 rdb = (REPARSE_DATA_BUFFER*)malloc(rdblen);
366
367 rdb->ReparseTag = IO_REPARSE_TAG_SYMLINK;
368 rdb->ReparseDataLength = (uint16_t)(rdblen - offsetof(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer));
369 rdb->Reserved = 0;
370 rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset = 0;
371 rdb->SymbolicLinkReparseBuffer.SubstituteNameLength = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
372 rdb->SymbolicLinkReparseBuffer.PrintNameOffset = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
373 rdb->SymbolicLinkReparseBuffer.PrintNameLength = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
374 rdb->SymbolicLinkReparseBuffer.Flags = SYMLINK_FLAG_RELATIVE;
375
376 memcpy(rdb->SymbolicLinkReparseBuffer.PathBuffer, pathlinku.c_str(), rdb->SymbolicLinkReparseBuffer.SubstituteNameLength);
377 memcpy(rdb->SymbolicLinkReparseBuffer.PathBuffer + (rdb->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof(WCHAR)),
378 pathlinku.c_str(), rdb->SymbolicLinkReparseBuffer.PrintNameLength);
379
380 win_handle h = CreateFileW((subvolpath + nameu).c_str(), GENERIC_WRITE | WRITE_DAC, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
381 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
382 if (h == INVALID_HANDLE_VALUE) {
383 free(rdb);
384 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, nameu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
385 }
386
387 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_SET_REPARSE_POINT, rdb, (ULONG)rdblen, nullptr, 0);
388 if (!NT_SUCCESS(Status)) {
389 free(rdb);
390 throw string_error(IDS_RECV_SET_REPARSE_POINT_FAILED, Status, format_ntstatus(Status).c_str());
391 }
392
393 free(rdb);
394
395 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
396
397 bsii.mode_changed = true;
398 bsii.st_mode = 0777;
399
400 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
401 if (!NT_SUCCESS(Status))
402 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
403 } else if (cmd->cmd == BTRFS_SEND_CMD_MKNOD || cmd->cmd == BTRFS_SEND_CMD_MKFIFO || cmd->cmd == BTRFS_SEND_CMD_MKSOCK) {
404 uint64_t* mode;
405 ULONG modelen;
406
407 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen)) {
408 btrfs_set_inode_info bsii;
409
410 if (modelen < sizeof(uint64_t))
411 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint64_t));
412
413 win_handle h = CreateFileW((subvolpath + nameu).c_str(), WRITE_DAC, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
414 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
415 if (h == INVALID_HANDLE_VALUE)
416 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, nameu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
417
418 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
419
420 bsii.mode_changed = true;
421 bsii.st_mode = (uint32_t)*mode;
422
423 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
424 if (!NT_SUCCESS(Status))
425 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
426 }
427 }
428}
FSCTL_BTRFS_MKNOD
#define FSCTL_BTRFS_MKNOD
Definition: btrfsioctl.h:30
free
#define free
Definition: debug_ros.c:5
malloc
#define malloc
Definition: debug_ros.c:4
IDS_RECV_SET_REPARSE_POINT_FAILED
#define IDS_RECV_SET_REPARSE_POINT_FAILED
Definition: resource.h:142
IDS_RECV_MKNOD_FAILED
#define IDS_RECV_MKNOD_FAILED
Definition: resource.h:141
IDS_RECV_PATH_TOO_LONG
#define IDS_RECV_PATH_TOO_LONG
Definition: resource.h:208
BTRFS_SEND_CMD_MKFIFO
#define BTRFS_SEND_CMD_MKFIFO
Definition: btrfs.h:550
BTRFS_SEND_CMD_MKNOD
#define BTRFS_SEND_CMD_MKNOD
Definition: btrfs.h:549
BTRFS_SEND_CMD_SYMLINK
#define BTRFS_SEND_CMD_SYMLINK
Definition: btrfs.h:552
BTRFS_SEND_CMD_MKSOCK
#define BTRFS_SEND_CMD_MKSOCK
Definition: btrfs.h:551
BTRFS_SEND_TLV_INODE
#define BTRFS_SEND_TLV_INODE
Definition: btrfs.h:570
BTRFS_SEND_TLV_RDEV
#define BTRFS_SEND_TLV_RDEV
Definition: btrfs.h:575
BTRFS_SEND_CMD_MKDIR
#define BTRFS_SEND_CMD_MKDIR
Definition: btrfs.h:548
S_IFCHR
#define S_IFCHR
Definition: ext2fs.h:364
namelen
GLint namelen
Definition: glext.h:7232
memcpy
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
uint32_t
#define uint32_t
Definition: nsiface.idl:61
uint16_t
#define uint16_t
Definition: nsiface.idl:60
GENERIC_WRITE
#define GENERIC_WRITE
Definition: nt_native.h:90
FSCTL_SET_REPARSE_POINT
#define FSCTL_SET_REPARSE_POINT
Definition: winioctl.h:98
offsetof
#define offsetof(TYPE, MEMBER)
Definition: sdbstringtable.c:26
BTRFS_TYPE_FILE
#define BTRFS_TYPE_FILE
Definition: shellext.h:85
SYMLINK_FLAG_RELATIVE
#define SYMLINK_FLAG_RELATIVE
Definition: shellext.h:193
BTRFS_TYPE_DIRECTORY
#define BTRFS_TYPE_DIRECTORY
Definition: shellext.h:86
BTRFS_TYPE_SOCKET
#define BTRFS_TYPE_SOCKET
Definition: shellext.h:90
BTRFS_TYPE_FIFO
#define BTRFS_TYPE_FIFO
Definition: shellext.h:89
BTRFS_TYPE_CHARDEV
#define BTRFS_TYPE_CHARDEV
Definition: shellext.h:87
BTRFS_TYPE_BLOCKDEV
#define BTRFS_TYPE_BLOCKDEV
Definition: shellext.h:88
_REPARSE_DATA_BUFFER
Definition: shellext.h:164
_REPARSE_DATA_BUFFER::PathBuffer
WCHAR PathBuffer[1]
Definition: shellext.h:176
_REPARSE_DATA_BUFFER::ReparseTag
ULONG ReparseTag
Definition: shellext.h:165
_REPARSE_DATA_BUFFER::SymbolicLinkReparseBuffer
struct _REPARSE_DATA_BUFFER::@318::@320 SymbolicLinkReparseBuffer
_REPARSE_DATA_BUFFER::Reserved
USHORT Reserved
Definition: shellext.h:167
_REPARSE_DATA_BUFFER::ReparseDataLength
USHORT ReparseDataLength
Definition: shellext.h:166
btrfs_mknod
Definition: btrfsioctl.h:236
btrfs_mknod::inode
uint64_t inode
Definition: btrfsioctl.h:237
btrfs_mknod::name
WCHAR name[1]
Definition: btrfsioctl.h:241
btrfs_mknod::namelen
uint16_t namelen
Definition: btrfsioctl.h:240
btrfs_mknod::st_rdev
uint64_t st_rdev
Definition: btrfsioctl.h:239
btrfs_mknod::type
uint8_t type
Definition: btrfsioctl.h:238
inode
Definition: fs.h:78
name
Definition: name.c:39
IO_REPARSE_TAG_SYMLINK
#define IO_REPARSE_TAG_SYMLINK
Definition: iotypes.h:7240

Referenced by do_recv().

◆ cmd_removexattr()

void BtrfsRecv::cmd_removexattr ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 634 of file recv.cpp.

634 {
635 wstring pathu;
636 string xattrname;
637
638 {
639 char* path;
640 ULONG pathlen;
641
642 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
643 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
644
645 pathu = utf8_to_utf16(string(path, pathlen));
646 }
647
648 {
649 char* xattrnamebuf;
650 ULONG xattrnamelen;
651
652 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_NAME, (void**)&xattrnamebuf, &xattrnamelen))
653 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_name");
654
655 xattrname = string(xattrnamebuf, xattrnamelen);
656 }
657
658 if (xattrname.length() > XATTR_USER.length() && xattrname.substr(0, XATTR_USER.length()) == XATTR_USER && xattrname != EA_DOSATTRIB && xattrname != EA_EA) { // deleting stream
659 ULONG att;
660
661 auto streamname = utf8_to_utf16(xattrname);
662
663 streamname = streamname.substr(XATTR_USER.length());
664
665 att = GetFileAttributesW((subvolpath + pathu).c_str());
666 if (att == INVALID_FILE_ATTRIBUTES)
667 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
668
669 if (att & FILE_ATTRIBUTE_READONLY) {
670 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
671 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
672 }
673
674 if (!DeleteFileW((subvolpath + pathu + L":" + streamname).c_str()))
675 throw string_error(IDS_RECV_DELETEFILE_FAILED, (pathu + L":" + streamname).c_str(), GetLastError(), format_message(GetLastError()).c_str());
676
677 if (att & FILE_ATTRIBUTE_READONLY) {
678 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
679 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
680 }
681 } else {
682 IO_STATUS_BLOCK iosb;
683 NTSTATUS Status;
684 ULONG perms = FILE_WRITE_ATTRIBUTES;
685 btrfs_set_xattr* bsxa;
686
687 if (xattrname == EA_NTACL)
688 perms |= WRITE_DAC | WRITE_OWNER;
689 else if (xattrname == EA_EA)
690 perms |= FILE_WRITE_EA;
691
692 win_handle h = CreateFileW((subvolpath + pathu).c_str(), perms, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
693 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS | FILE_OPEN_REPARSE_POINT, nullptr);
694 if (h == INVALID_HANDLE_VALUE)
695 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
696
697 size_t bsxalen = offsetof(btrfs_set_xattr, data[0]) + xattrname.length();
698 bsxa = (btrfs_set_xattr*)malloc(bsxalen);
699 if (!bsxa)
700 throw string_error(IDS_OUT_OF_MEMORY);
701
702 bsxa->namelen = (uint16_t)(xattrname.length());
703 bsxa->valuelen = 0;
704 memcpy(bsxa->data, xattrname.c_str(), xattrname.length());
705
706 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_XATTR, bsxa, (ULONG)bsxalen, nullptr, 0);
707 if (!NT_SUCCESS(Status)) {
708 free(bsxa);
709 throw string_error(IDS_RECV_SETXATTR_FAILED, Status, format_ntstatus(Status).c_str());
710 }
711
712 free(bsxa);
713 }
714}
IDS_OUT_OF_MEMORY
#define IDS_OUT_OF_MEMORY
Definition: resource.h:5
EA_EA
#define EA_EA
Definition: btrfs_drv.h:102
EA_NTACL
#define EA_NTACL
Definition: btrfs_drv.h:93
EA_DOSATTRIB
#define EA_DOSATTRIB
Definition: btrfs_drv.h:96
FSCTL_BTRFS_SET_XATTR
#define FSCTL_BTRFS_SET_XATTR
Definition: btrfsioctl.h:33
basic_string< char, char_traits< char >, allocator< char > >
basic_string::substr
_Self substr(size_type __pos=0, size_type __n=npos) const
Definition: _string.h:1022
basic_string::c_str
const _CharT * c_str() const
Definition: _string.h:949
basic_string::length
size_type length() const
Definition: _string.h:401
IDS_RECV_SETXATTR_FAILED
#define IDS_RECV_SETXATTR_FAILED
Definition: resource.h:161
IDS_RECV_GETFILEATTRIBUTES_FAILED
#define IDS_RECV_GETFILEATTRIBUTES_FAILED
Definition: resource.h:154
IDS_RECV_SETFILEATTRIBUTES_FAILED
#define IDS_RECV_SETFILEATTRIBUTES_FAILED
Definition: resource.h:153
IDS_RECV_DELETEFILE_FAILED
#define IDS_RECV_DELETEFILE_FAILED
Definition: resource.h:170
DeleteFileW
BOOL WINAPI DeleteFileW(IN LPCWSTR lpFileName)
Definition: delete.c:39
GetFileAttributesW
DWORD WINAPI GetFileAttributesW(LPCWSTR lpFileName)
Definition: fileinfo.c:652
SetFileAttributesW
BOOL WINAPI SetFileAttributesW(LPCWSTR lpFileName, DWORD dwFileAttributes)
Definition: fileinfo.c:794
BTRFS_SEND_TLV_XATTR_NAME
#define BTRFS_SEND_TLV_XATTR_NAME
Definition: btrfs.h:580
FILE_ATTRIBUTE_READONLY
#define FILE_ATTRIBUTE_READONLY
Definition: nt_native.h:702
FILE_WRITE_EA
#define FILE_WRITE_EA
Definition: nt_native.h:640
XATTR_USER
const string XATTR_USER
Definition: recv.cpp:43
btrfs_set_xattr
Definition: btrfsioctl.h:249
btrfs_set_xattr::valuelen
USHORT valuelen
Definition: btrfsioctl.h:251
btrfs_set_xattr::namelen
USHORT namelen
Definition: btrfsioctl.h:250
btrfs_set_xattr::data
char data[1]
Definition: btrfsioctl.h:252
INVALID_FILE_ATTRIBUTES
#define INVALID_FILE_ATTRIBUTES
Definition: vfdcmd.c:23

Referenced by do_recv().

◆ cmd_rename()

void BtrfsRecv::cmd_rename ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 430 of file recv.cpp.

430 {
431 wstring pathu, path_tou;
432
433 {
434 char* path;
435 ULONG path_len;
436
437 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &path_len))
438 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
439
440 pathu = utf8_to_utf16(string(path, path_len));
441 }
442
443 {
444 char* path_to;
445 ULONG path_to_len;
446
447 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_TO, (void**)&path_to, &path_to_len))
448 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_to");
449
450 path_tou = utf8_to_utf16(string(path_to, path_to_len));
451 }
452
453 if (!MoveFileW((subvolpath + pathu).c_str(), (subvolpath + path_tou).c_str()))
454 throw string_error(IDS_RECV_MOVEFILE_FAILED, pathu.c_str(), path_tou.c_str(), GetLastError(), format_message(GetLastError()).c_str());
455}
IDS_RECV_MOVEFILE_FAILED
#define IDS_RECV_MOVEFILE_FAILED
Definition: resource.h:143
MoveFileW
BOOL WINAPI MoveFileW(IN LPCWSTR lpExistingFileName, IN LPCWSTR lpNewFileName)
Definition: move.c:1104
BTRFS_SEND_TLV_PATH_TO
#define BTRFS_SEND_TLV_PATH_TO
Definition: btrfs.h:583

Referenced by do_recv().

◆ cmd_rmdir()

void BtrfsRecv::cmd_rmdir ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 511 of file recv.cpp.

511 {
512 wstring pathu;
513 ULONG att;
514
515 {
516 char* path;
517 ULONG pathlen;
518
519 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
520 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
521
522 pathu = utf8_to_utf16(string(path, pathlen));
523 }
524
525 att = GetFileAttributesW((subvolpath + pathu).c_str());
526 if (att == INVALID_FILE_ATTRIBUTES)
527 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
528
529 if (att & FILE_ATTRIBUTE_READONLY) {
530 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
531 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
532 }
533
534 if (!RemoveDirectoryW((subvolpath + pathu).c_str()))
535 throw string_error(IDS_RECV_REMOVEDIRECTORY_FAILED, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
536}
IDS_RECV_REMOVEDIRECTORY_FAILED
#define IDS_RECV_REMOVEDIRECTORY_FAILED
Definition: resource.h:171
RemoveDirectoryW
BOOL WINAPI RemoveDirectoryW(IN LPCWSTR lpPathName)
Definition: dir.c:732

Referenced by do_recv().

◆ cmd_setxattr()

void BtrfsRecv::cmd_setxattr ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 538 of file recv.cpp.

538 {
539 string xattrname;
540 uint8_t* xattrdata;
541 ULONG xattrdatalen;
542 wstring pathu;
543
544 {
545 char* path;
546 ULONG pathlen;
547
548 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
549 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
550
551 pathu = utf8_to_utf16(string(path, pathlen));
552 }
553
554 {
555 char* xattrnamebuf;
556 ULONG xattrnamelen;
557
558 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_NAME, (void**)&xattrnamebuf, &xattrnamelen))
559 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_name");
560
561 xattrname = string(xattrnamebuf, xattrnamelen);
562 }
563
564 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_DATA, (void**)&xattrdata, &xattrdatalen))
565 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_data");
566
567 if (xattrname.length() > XATTR_USER.length() && xattrname.substr(0, XATTR_USER.length()) == XATTR_USER &&
568 xattrname != EA_DOSATTRIB && xattrname != EA_EA && xattrname != EA_REPARSE) {
569 ULONG att;
570
571 auto streamname = utf8_to_utf16(xattrname);
572
573 att = GetFileAttributesW((subvolpath + pathu).c_str());
574 if (att == INVALID_FILE_ATTRIBUTES)
575 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
576
577 if (att & FILE_ATTRIBUTE_READONLY) {
578 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
579 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
580 }
581
582 streamname = streamname.substr(XATTR_USER.length());
583
584 win_handle h = CreateFileW((subvolpath + pathu + L":" + streamname).c_str(), GENERIC_WRITE, 0,
585 nullptr, CREATE_ALWAYS, FILE_FLAG_POSIX_SEMANTICS, nullptr);
586 if (h == INVALID_HANDLE_VALUE)
587 throw string_error(IDS_RECV_CANT_CREATE_FILE, (pathu + L":" + streamname).c_str(), GetLastError(), format_message(GetLastError()).c_str());
588
589 if (xattrdatalen > 0) {
590 if (!WriteFile(h, xattrdata, xattrdatalen, nullptr, nullptr))
591 throw string_error(IDS_RECV_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
592 }
593
594 if (att & FILE_ATTRIBUTE_READONLY) {
595 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
596 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
597 }
598 } else {
599 IO_STATUS_BLOCK iosb;
600 NTSTATUS Status;
601 ULONG perms = FILE_WRITE_ATTRIBUTES;
602 btrfs_set_xattr* bsxa;
603
604 if (xattrname == EA_NTACL)
605 perms |= WRITE_DAC | WRITE_OWNER;
606 else if (xattrname == EA_EA)
607 perms |= FILE_WRITE_EA;
608
609 win_handle h = CreateFileW((subvolpath + pathu).c_str(), perms, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
610 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS | FILE_OPEN_REPARSE_POINT, nullptr);
611 if (h == INVALID_HANDLE_VALUE)
612 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
613
614 size_t bsxalen = offsetof(btrfs_set_xattr, data[0]) + xattrname.length() + xattrdatalen;
615 bsxa = (btrfs_set_xattr*)malloc(bsxalen);
616 if (!bsxa)
617 throw string_error(IDS_OUT_OF_MEMORY);
618
619 bsxa->namelen = (uint16_t)xattrname.length();
620 bsxa->valuelen = (uint16_t)xattrdatalen;
621 memcpy(bsxa->data, xattrname.c_str(), xattrname.length());
622 memcpy(&bsxa->data[xattrname.length()], xattrdata, xattrdatalen);
623
624 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_XATTR, bsxa, (ULONG)bsxalen, nullptr, 0);
625 if (!NT_SUCCESS(Status)) {
626 free(bsxa);
627 throw string_error(IDS_RECV_SETXATTR_FAILED, Status, format_ntstatus(Status).c_str());
628 }
629
630 free(bsxa);
631 }
632}
EA_REPARSE
#define EA_REPARSE
Definition: btrfs_drv.h:99
IDS_RECV_CANT_CREATE_FILE
#define IDS_RECV_CANT_CREATE_FILE
Definition: resource.h:148
IDS_RECV_WRITEFILE_FAILED
#define IDS_RECV_WRITEFILE_FAILED
Definition: resource.h:145
WriteFile
BOOL WINAPI WriteFile(IN HANDLE hFile, IN LPCVOID lpBuffer, IN DWORD nNumberOfBytesToWrite OPTIONAL, OUT LPDWORD lpNumberOfBytesWritten, IN LPOVERLAPPED lpOverlapped OPTIONAL)
Definition: rw.c:24
BTRFS_SEND_TLV_XATTR_DATA
#define BTRFS_SEND_TLV_XATTR_DATA
Definition: btrfs.h:581
CREATE_ALWAYS
#define CREATE_ALWAYS
Definition: disk.h:72
uint8_t
BYTE uint8_t
Definition: msvideo1.c:66

Referenced by do_recv().

◆ cmd_snapshot()

void BtrfsRecv::cmd_snapshot ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data,
const win_handle &  parent 
)
private

Definition at line 157 of file recv.cpp.

157 {
158 string name;
159 BTRFS_UUID *uuid, *parent_uuid;
160 uint64_t *gen, *parent_transid;
161 ULONG uuidlen, genlen, paruuidlen, partransidlen;
162 btrfs_create_snapshot* bcs;
163 NTSTATUS Status;
164 IO_STATUS_BLOCK iosb;
165 wstring parpath;
166 btrfs_find_subvol bfs;
167 WCHAR parpathw[MAX_PATH], volpathw[MAX_PATH];
168 size_t bcslen;
169
170 {
171 char* namebuf;
172 ULONG namelen;
173
174 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&namebuf, &namelen))
175 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
176
177 name = string(namebuf, namelen);
178 }
179
180 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_UUID, (void**)&uuid, &uuidlen))
181 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"uuid");
182
183 if (uuidlen < sizeof(BTRFS_UUID))
184 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uuid", uuidlen, sizeof(BTRFS_UUID));
185
186 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_TRANSID, (void**)&gen, &genlen))
187 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"transid");
188
189 if (genlen < sizeof(uint64_t))
190 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"transid", genlen, sizeof(uint64_t));
191
192 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_UUID, (void**)&parent_uuid, &paruuidlen))
193 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_uuid");
194
195 if (paruuidlen < sizeof(BTRFS_UUID))
196 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_uuid", paruuidlen, sizeof(BTRFS_UUID));
197
198 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_CTRANSID, (void**)&parent_transid, &partransidlen))
199 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_ctransid");
200
201 if (partransidlen < sizeof(uint64_t))
202 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_ctransid", partransidlen, sizeof(uint64_t));
203
204 this->subvol_uuid = *uuid;
205 this->stransid = *gen;
206
207 auto nameu = utf8_to_utf16(name);
208
209 bfs.uuid = *parent_uuid;
210 bfs.ctransid = *parent_transid;
211
212 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_FIND_SUBVOL, &bfs, sizeof(btrfs_find_subvol),
213 parpathw, sizeof(parpathw));
214 if (Status == STATUS_NOT_FOUND)
215 throw string_error(IDS_RECV_CANT_FIND_PARENT_SUBVOL);
216 else if (!NT_SUCCESS(Status))
217 throw string_error(IDS_RECV_FIND_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
218
219 if (!GetVolumePathNameW(dirpath.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
220 throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
221
222 parpath = volpathw;
223 if (parpath.substr(parpath.length() - 1) == L"\\")
224 parpath = parpath.substr(0, parpath.length() - 1);
225
226 parpath += parpathw;
227
228 {
229 win_handle subvol = CreateFileW(parpath.c_str(), FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
230 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
231 if (subvol == INVALID_HANDLE_VALUE)
232 throw string_error(IDS_RECV_CANT_OPEN_PATH, parpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
233
234 bcslen = offsetof(btrfs_create_snapshot, name[0]) + (nameu.length() * sizeof(WCHAR));
235 bcs = (btrfs_create_snapshot*)malloc(bcslen);
236
237 bcs->readonly = true;
238 bcs->posix = true;
239 bcs->subvol = subvol;
240 bcs->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
241 memcpy(bcs->name, nameu.c_str(), bcs->namelen);
242
243 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_CREATE_SNAPSHOT, bcs, (ULONG)bcslen, nullptr, 0);
244 if (!NT_SUCCESS(Status))
245 throw string_error(IDS_RECV_CREATE_SNAPSHOT_FAILED, Status, format_ntstatus(Status).c_str());
246 }
247
248 subvolpath = dirpath;
249 subvolpath += L"\\";
250 subvolpath += nameu;
251
252 if (dir != INVALID_HANDLE_VALUE)
253 CloseHandle(dir);
254
255 if (master != INVALID_HANDLE_VALUE)
256 CloseHandle(master);
257
258 master = CreateFileW(subvolpath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
259 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
260 if (master == INVALID_HANDLE_VALUE)
261 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
262
263 Status = NtFsControlFile(master, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RESERVE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
264 if (!NT_SUCCESS(Status))
265 throw string_error(IDS_RECV_RESERVE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
266
267 dir = CreateFileW(subvolpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE,
268 FILE_SHARE_READ | FILE_SHARE_WRITE,
269 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
270 if (dir == INVALID_HANDLE_VALUE)
271 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
272
273 subvolpath += L"\\";
274
275 add_cache_entry(&this->subvol_uuid, this->stransid, subvolpath);
276
277 num_received++;
278}
FSCTL_BTRFS_CREATE_SNAPSHOT
#define FSCTL_BTRFS_CREATE_SNAPSHOT
Definition: btrfsioctl.h:9
FSCTL_BTRFS_RESERVE_SUBVOL
#define FSCTL_BTRFS_RESERVE_SUBVOL
Definition: btrfsioctl.h:34
BtrfsRecv::subvol_uuid
BTRFS_UUID subvol_uuid
Definition: recv.h:83
IDS_RECV_RESERVE_SUBVOL_FAILED
#define IDS_RECV_RESERVE_SUBVOL_FAILED
Definition: resource.h:164
IDS_RECV_CREATE_SNAPSHOT_FAILED
#define IDS_RECV_CREATE_SNAPSHOT_FAILED
Definition: resource.h:168
IDS_RECV_CANT_OPEN_PATH
#define IDS_RECV_CANT_OPEN_PATH
Definition: resource.h:136
IDS_RECV_CANT_FIND_PARENT_SUBVOL
#define IDS_RECV_CANT_FIND_PARENT_SUBVOL
Definition: resource.h:166
CloseHandle
#define CloseHandle
Definition: compat.h:739
GENERIC_READ
#define GENERIC_READ
Definition: compat.h:135
parent
r parent
Definition: btrfs.c:3010
BTRFS_SEND_TLV_TRANSID
#define BTRFS_SEND_TLV_TRANSID
Definition: btrfs.h:569
BTRFS_SEND_TLV_UUID
#define BTRFS_SEND_TLV_UUID
Definition: btrfs.h:568
FILE_TRAVERSE
#define FILE_TRAVERSE
Definition: nt_native.h:643
FILE_ADD_SUBDIRECTORY
#define FILE_ADD_SUBDIRECTORY
Definition: nt_native.h:635
FILE_ADD_FILE
#define FILE_ADD_FILE
Definition: nt_native.h:632
btrfs_create_snapshot
Definition: btrfsioctl.h:48
btrfs_create_snapshot::name
WCHAR name[1]
Definition: btrfsioctl.h:53
btrfs_create_snapshot::subvol
HANDLE subvol
Definition: btrfsioctl.h:49
btrfs_create_snapshot::namelen
uint16_t namelen
Definition: btrfsioctl.h:52
btrfs_create_snapshot::posix
BOOL posix
Definition: btrfsioctl.h:51
btrfs_create_snapshot::readonly
BOOL readonly
Definition: btrfsioctl.h:50

Referenced by do_recv().

◆ cmd_subvol()

void BtrfsRecv::cmd_subvol ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data,
const win_handle &  parent 
)
private

Definition at line 67 of file recv.cpp.

67 {
68 string name;
69 BTRFS_UUID* uuid;
70 uint64_t* gen;
71 ULONG uuidlen, genlen;
72 btrfs_create_subvol* bcs;
73 NTSTATUS Status;
74 IO_STATUS_BLOCK iosb;
75
76 {
77 char* namebuf;
78 ULONG namelen;
79
80 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&namebuf, &namelen))
81 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
82
83 name = string(namebuf, namelen);
84 }
85
86 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_UUID, (void**)&uuid, &uuidlen))
87 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"uuid");
88
89 if (uuidlen < sizeof(BTRFS_UUID))
90 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uuid", uuidlen, sizeof(BTRFS_UUID));
91
92 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_TRANSID, (void**)&gen, &genlen))
93 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"transid");
94
95 if (genlen < sizeof(uint64_t))
96 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"transid", genlen, sizeof(uint64_t));
97
98 this->subvol_uuid = *uuid;
99 this->stransid = *gen;
100
101 auto nameu = utf8_to_utf16(name);
102
103 size_t bcslen = offsetof(btrfs_create_subvol, name[0]) + (nameu.length() * sizeof(WCHAR));
104 bcs = (btrfs_create_subvol*)malloc(bcslen);
105
106 bcs->readonly = true;
107 bcs->posix = true;
108 bcs->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
109 memcpy(bcs->name, nameu.c_str(), bcs->namelen);
110
111 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_CREATE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
112 if (!NT_SUCCESS(Status))
113 throw string_error(IDS_RECV_CREATE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
114
115 subvolpath = dirpath;
116 subvolpath += L"\\";
117 subvolpath += nameu;
118
119 if (dir != INVALID_HANDLE_VALUE)
120 CloseHandle(dir);
121
122 if (master != INVALID_HANDLE_VALUE)
123 CloseHandle(master);
124
125 master = CreateFileW(subvolpath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
126 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
127 if (master == INVALID_HANDLE_VALUE)
128 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
129
130 Status = NtFsControlFile(master, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RESERVE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
131 if (!NT_SUCCESS(Status))
132 throw string_error(IDS_RECV_RESERVE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
133
134 dir = CreateFileW(subvolpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE,
135 FILE_SHARE_READ | FILE_SHARE_WRITE,
136 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
137 if (dir == INVALID_HANDLE_VALUE)
138 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
139
140 subvolpath += L"\\";
141
142 add_cache_entry(&this->subvol_uuid, this->stransid, subvolpath);
143
144 num_received++;
145}
FSCTL_BTRFS_CREATE_SUBVOL
#define FSCTL_BTRFS_CREATE_SUBVOL
Definition: btrfsioctl.h:8
IDS_RECV_CREATE_SUBVOL_FAILED
#define IDS_RECV_CREATE_SUBVOL_FAILED
Definition: resource.h:138
btrfs_create_subvol
Definition: btrfsioctl.h:255
btrfs_create_subvol::name
WCHAR name[1]
Definition: btrfsioctl.h:259
btrfs_create_subvol::readonly
BOOL readonly
Definition: btrfsioctl.h:256
btrfs_create_subvol::namelen
USHORT namelen
Definition: btrfsioctl.h:258
btrfs_create_subvol::posix
BOOL posix
Definition: btrfsioctl.h:257

Referenced by do_recv().

◆ cmd_truncate()

void BtrfsRecv::cmd_truncate ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 926 of file recv.cpp.

926 {
927 uint64_t* size;
928 ULONG sizelen;
929 wstring pathu;
930 LARGE_INTEGER sizeli;
931 DWORD att;
932
933 {
934 char* path;
935 ULONG pathlen;
936
937 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
938 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
939
940 pathu = utf8_to_utf16(string(path, pathlen));
941 }
942
943 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_SIZE, (void**)&size, &sizelen))
944 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"size");
945
946 if (sizelen < sizeof(uint64_t))
947 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"size", sizelen, sizeof(uint64_t));
948
949 att = GetFileAttributesW((subvolpath + pathu).c_str());
950 if (att == INVALID_FILE_ATTRIBUTES)
951 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
952
953 if (att & FILE_ATTRIBUTE_READONLY) {
954 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
955 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
956 }
957
958 {
959 win_handle h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA, 0, nullptr, OPEN_EXISTING,
960 FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
961
962 if (h == INVALID_HANDLE_VALUE)
963 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
964
965 sizeli.QuadPart = *size;
966
967 if (SetFilePointer(h, sizeli.LowPart, &sizeli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
968 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
969
970 if (!SetEndOfFile(h))
971 throw string_error(IDS_RECV_SETENDOFFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
972 }
973
974 if (att & FILE_ATTRIBUTE_READONLY) {
975 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
976 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
977 }
978}
BTRFS_SEND_TLV_SIZE
#define BTRFS_SEND_TLV_SIZE
Definition: btrfs.h:571
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
size
GLsizeiptr size
Definition: glext.h:5919

Referenced by do_recv().

◆ cmd_unlink()

void BtrfsRecv::cmd_unlink ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 484 of file recv.cpp.

484 {
485 wstring pathu;
486 ULONG att;
487
488 {
489 char* path;
490 ULONG pathlen;
491
492 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
493 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
494
495 pathu = utf8_to_utf16(string(path, pathlen));
496 }
497
498 att = GetFileAttributesW((subvolpath + pathu).c_str());
499 if (att == INVALID_FILE_ATTRIBUTES)
500 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
501
502 if (att & FILE_ATTRIBUTE_READONLY) {
503 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
504 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
505 }
506
507 if (!DeleteFileW((subvolpath + pathu).c_str()))
508 throw string_error(IDS_RECV_DELETEFILE_FAILED, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
509}

Referenced by do_recv().

◆ cmd_utimes()

void BtrfsRecv::cmd_utimes ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 1074 of file recv.cpp.

1074 {
1075 wstring pathu;
1076 win_handle h;
1077 FILE_BASIC_INFO fbi;
1078 BTRFS_TIME* time;
1079 ULONG timelen;
1080 IO_STATUS_BLOCK iosb;
1081 NTSTATUS Status;
1082
1083 {
1084 char* path;
1085 ULONG pathlen;
1086
1087 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
1088 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
1089
1090 pathu = utf8_to_utf16(string(path, pathlen));
1091 }
1092
1093 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_ATTRIBUTES, 0, nullptr, OPEN_EXISTING,
1094 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1095 if (h == INVALID_HANDLE_VALUE)
1096 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1097
1098 memset(&fbi, 0, sizeof(FILE_BASIC_INFO));
1099
1100 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_OTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1101 fbi.CreationTime.QuadPart = unix_time_to_win(time);
1102
1103 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_ATIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1104 fbi.LastAccessTime.QuadPart = unix_time_to_win(time);
1105
1106 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_MTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1107 fbi.LastWriteTime.QuadPart = unix_time_to_win(time);
1108
1109 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_CTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1110 fbi.ChangeTime.QuadPart = unix_time_to_win(time);
1111
1112 Status = NtSetInformationFile(h, &iosb, &fbi, sizeof(FILE_BASIC_INFO), FileBasicInformation);
1113 if (!NT_SUCCESS(Status))
1114 throw ntstatus_error(Status);
1115}
ntstatus_error
Definition: shellext.h:377
BTRFS_SEND_TLV_MTIME
#define BTRFS_SEND_TLV_MTIME
Definition: btrfs.h:577
BTRFS_SEND_TLV_ATIME
#define BTRFS_SEND_TLV_ATIME
Definition: btrfs.h:578
BTRFS_SEND_TLV_CTIME
#define BTRFS_SEND_TLV_CTIME
Definition: btrfs.h:576
BTRFS_SEND_TLV_OTIME
#define BTRFS_SEND_TLV_OTIME
Definition: btrfs.h:579
FileBasicInformation
@ FileBasicInformation
Definition: from_kernel.h:65
time
__u16 time
Definition: mkdosfs.c:8
NtSetInformationFile
NTSYSAPI NTSTATUS NTAPI NtSetInformationFile(IN HANDLE hFile, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN PVOID FileInformationBuffer, IN ULONG FileInformationBufferLength, IN FILE_INFORMATION_CLASS FileInfoClass)
Definition: iofunc.c:3096
unix_time_to_win
static __inline uint64_t unix_time_to_win(BTRFS_TIME *t)
Definition: recv.cpp:1070
BTRFS_TIME
Definition: btrfs.h:281

Referenced by do_recv().

◆ cmd_write()

void BtrfsRecv::cmd_write ( HWND  hwnd,
btrfs_send_command *  cmd,
uint8_t *  data 
)
private

Definition at line 716 of file recv.cpp.

716 {
717 uint64_t* offset;
718 uint8_t* writedata;
719 ULONG offsetlen, datalen;
720 wstring pathu;
721 HANDLE h;
722 LARGE_INTEGER offli;
723 NTSTATUS Status;
724 IO_STATUS_BLOCK iosb;
725
726 {
727 char* path;
728 ULONG pathlen;
729
730 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
731 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
732
733 pathu = utf8_to_utf16(string(path, pathlen));
734 }
735
736 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_OFFSET, (void**)&offset, &offsetlen))
737 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"offset");
738
739 if (offsetlen < sizeof(uint64_t))
740 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"offset", offsetlen, sizeof(uint64_t));
741
742 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_DATA, (void**)&writedata, &datalen))
743 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"data");
744
745 if (lastwritepath != pathu) {
746 FILE_BASIC_INFO fbi;
747
748 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
749 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
750 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
751 }
752
753 CloseHandle(lastwritefile);
754
755 lastwriteatt = GetFileAttributesW((subvolpath + pathu).c_str());
756 if (lastwriteatt == INVALID_FILE_ATTRIBUTES)
757 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
758
759 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
760 if (!SetFileAttributesW((subvolpath + pathu).c_str(), lastwriteatt & ~FILE_ATTRIBUTE_READONLY))
761 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
762 }
763
764 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES, 0, nullptr, OPEN_EXISTING,
765 FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
766 if (h == INVALID_HANDLE_VALUE)
767 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
768
769 lastwritepath = pathu;
770 lastwritefile = h;
771
772 memset(&fbi, 0, sizeof(FILE_BASIC_INFO));
773
774 fbi.LastWriteTime.QuadPart = -1;
775
776 Status = NtSetInformationFile(h, &iosb, &fbi, sizeof(FILE_BASIC_INFO), FileBasicInformation);
777 if (!NT_SUCCESS(Status))
778 throw ntstatus_error(Status);
779 } else
780 h = lastwritefile;
781
782 offli.QuadPart = *offset;
783
784 if (SetFilePointer(h, offli.LowPart, &offli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
785 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
786
787 if (!WriteFile(h, writedata, datalen, nullptr, nullptr))
788 throw string_error(IDS_RECV_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
789}
BtrfsRecv::lastwriteatt
DWORD lastwriteatt
Definition: recv.h:80
BtrfsRecv::lastwritepath
wstring lastwritepath
Definition: recv.h:79
BtrfsRecv::lastwritefile
HANDLE lastwritefile
Definition: recv.h:77
BTRFS_SEND_TLV_DATA
#define BTRFS_SEND_TLV_DATA
Definition: btrfs.h:586
datalen
int const JOCTET unsigned int datalen
Definition: jpeglib.h:1031

Referenced by do_recv().

◆ do_recv()

void BtrfsRecv::do_recv ( const win_handle &  f,
uint64_t *  pos,
uint64_t  size,
const win_handle &  parent 
)
private

Definition at line 1160 of file recv.cpp.

1160 {
1161 try {
1162 btrfs_send_header header;
1163 bool ended = false;
1164
1165 if (!ReadFile(f, &header, sizeof(btrfs_send_header), nullptr, nullptr))
1166 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1167
1168 *pos += sizeof(btrfs_send_header);
1169
1170 if (memcmp(header.magic, BTRFS_SEND_MAGIC, sizeof(header.magic)))
1171 throw string_error(IDS_RECV_NOT_A_SEND_STREAM);
1172
1173 if (header.version > 1)
1174 throw string_error(IDS_RECV_UNSUPPORTED_VERSION, header.version);
1175
1176 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETRANGE32, 0, (LPARAM)65536);
1177
1178 lastwritefile = INVALID_HANDLE_VALUE;
1179 lastwritepath = L"";
1180 lastwriteatt = 0;
1181
1182 while (true) {
1183 btrfs_send_command cmd;
1184 uint8_t* data = nullptr;
1185 ULONG progress;
1186
1187 if (cancelling)
1188 break;
1189
1190 progress = (ULONG)((float)*pos * 65536.0f / (float)size);
1191 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, progress, 0);
1192
1193 if (!ReadFile(f, &cmd, sizeof(btrfs_send_command), nullptr, nullptr)) {
1194 if (GetLastError() != ERROR_HANDLE_EOF)
1195 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1196
1197 break;
1198 }
1199
1200 *pos += sizeof(btrfs_send_command);
1201
1202 if (cmd.length > 0) {
1203 if (*pos + cmd.length > size)
1204 throw string_error(IDS_RECV_FILE_TRUNCATED);
1205
1206 data = (uint8_t*)malloc(cmd.length);
1207 if (!data)
1208 throw string_error(IDS_OUT_OF_MEMORY);
1209 }
1210
1211 try {
1212 if (data) {
1213 if (!ReadFile(f, data, cmd.length, nullptr, nullptr))
1214 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1215
1216 *pos += cmd.length;
1217 }
1218
1219 if (!check_csum(&cmd, data))
1220 throw string_error(IDS_RECV_CSUM_ERROR);
1221
1222 if (cmd.cmd == BTRFS_SEND_CMD_END) {
1223 ended = true;
1224 break;
1225 }
1226
1227 if (lastwritefile != INVALID_HANDLE_VALUE && cmd.cmd != BTRFS_SEND_CMD_WRITE) {
1228 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
1229 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
1230 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1231 }
1232
1233 CloseHandle(lastwritefile);
1234
1235 lastwritefile = INVALID_HANDLE_VALUE;
1236 lastwritepath = L"";
1237 lastwriteatt = 0;
1238 }
1239
1240 switch (cmd.cmd) {
1241 case BTRFS_SEND_CMD_SUBVOL:
1242 cmd_subvol(hwnd, &cmd, data, parent);
1243 break;
1244
1245 case BTRFS_SEND_CMD_SNAPSHOT:
1246 cmd_snapshot(hwnd, &cmd, data, parent);
1247 break;
1248
1249 case BTRFS_SEND_CMD_MKFILE:
1250 case BTRFS_SEND_CMD_MKDIR:
1251 case BTRFS_SEND_CMD_MKNOD:
1252 case BTRFS_SEND_CMD_MKFIFO:
1253 case BTRFS_SEND_CMD_MKSOCK:
1254 case BTRFS_SEND_CMD_SYMLINK:
1255 cmd_mkfile(hwnd, &cmd, data);
1256 break;
1257
1258 case BTRFS_SEND_CMD_RENAME:
1259 cmd_rename(hwnd, &cmd, data);
1260 break;
1261
1262 case BTRFS_SEND_CMD_LINK:
1263 cmd_link(hwnd, &cmd, data);
1264 break;
1265
1266 case BTRFS_SEND_CMD_UNLINK:
1267 cmd_unlink(hwnd, &cmd, data);
1268 break;
1269
1270 case BTRFS_SEND_CMD_RMDIR:
1271 cmd_rmdir(hwnd, &cmd, data);
1272 break;
1273
1274 case BTRFS_SEND_CMD_SET_XATTR:
1275 cmd_setxattr(hwnd, &cmd, data);
1276 break;
1277
1278 case BTRFS_SEND_CMD_REMOVE_XATTR:
1279 cmd_removexattr(hwnd, &cmd, data);
1280 break;
1281
1282 case BTRFS_SEND_CMD_WRITE:
1283 cmd_write(hwnd, &cmd, data);
1284 break;
1285
1286 case BTRFS_SEND_CMD_CLONE:
1287 cmd_clone(hwnd, &cmd, data);
1288 break;
1289
1290 case BTRFS_SEND_CMD_TRUNCATE:
1291 cmd_truncate(hwnd, &cmd, data);
1292 break;
1293
1294 case BTRFS_SEND_CMD_CHMOD:
1295 cmd_chmod(hwnd, &cmd, data);
1296 break;
1297
1298 case BTRFS_SEND_CMD_CHOWN:
1299 cmd_chown(hwnd, &cmd, data);
1300 break;
1301
1302 case BTRFS_SEND_CMD_UTIMES:
1303 cmd_utimes(hwnd, &cmd, data);
1304 break;
1305
1306 case BTRFS_SEND_CMD_UPDATE_EXTENT:
1307 // does nothing
1308 break;
1309
1310 default:
1311 throw string_error(IDS_RECV_UNKNOWN_COMMAND, cmd.cmd);
1312 }
1313 } catch (...) {
1314 if (data) free(data);
1315 throw;
1316 }
1317
1318 if (data) free(data);
1319 }
1320
1321 if (lastwritefile != INVALID_HANDLE_VALUE) {
1322 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
1323 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
1324 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1325 }
1326
1327 CloseHandle(lastwritefile);
1328 }
1329
1330 if (!ended && !cancelling)
1331 throw string_error(IDS_RECV_FILE_TRUNCATED);
1332
1333 if (!cancelling) {
1334 NTSTATUS Status;
1335 IO_STATUS_BLOCK iosb;
1336 btrfs_received_subvol brs;
1337
1338 brs.generation = stransid;
1339 brs.uuid = subvol_uuid;
1340
1341 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RECEIVED_SUBVOL, &brs, sizeof(btrfs_received_subvol),
1342 nullptr, 0);
1343 if (!NT_SUCCESS(Status))
1344 throw string_error(IDS_RECV_RECEIVED_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
1345 }
1346
1347 CloseHandle(dir);
1348
1349 if (master != INVALID_HANDLE_VALUE)
1350 CloseHandle(master);
1351 } catch (...) {
1352 if (subvolpath != L"") {
1353 ULONG attrib;
1354
1355 attrib = GetFileAttributesW(subvolpath.c_str());
1356 attrib &= ~FILE_ATTRIBUTE_READONLY;
1357
1358 if (SetFileAttributesW(subvolpath.c_str(), attrib))
1359 delete_directory(subvolpath);
1360 }
1361
1362 throw;
1363 }
1364}
FSCTL_BTRFS_RECEIVED_SUBVOL
#define FSCTL_BTRFS_RECEIVED_SUBVOL
Definition: btrfsioctl.h:31
progress
cd_progress_ptr progress
Definition: cdjpeg.h:152
BtrfsRecv::cmd_removexattr
void cmd_removexattr(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:634
BtrfsRecv::cmd_chmod
void cmd_chmod(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:980
BtrfsRecv::cmd_subvol
void cmd_subvol(HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
Definition: recv.cpp:67
BtrfsRecv::cmd_write
void cmd_write(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:716
BtrfsRecv::cmd_rmdir
void cmd_rmdir(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:511
BtrfsRecv::cmd_snapshot
void cmd_snapshot(HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
Definition: recv.cpp:157
BtrfsRecv::cmd_clone
void cmd_clone(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:791
BtrfsRecv::cmd_setxattr
void cmd_setxattr(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:538
BtrfsRecv::cmd_mkfile
void cmd_mkfile(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:280
BtrfsRecv::cmd_link
void cmd_link(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:457
BtrfsRecv::cmd_unlink
void cmd_unlink(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:484
BtrfsRecv::cmd_rename
void cmd_rename(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:430
BtrfsRecv::cmd_truncate
void cmd_truncate(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:926
BtrfsRecv::cmd_chown
void cmd_chown(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1020
BtrfsRecv::cmd_utimes
void cmd_utimes(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1074
IDS_RECV_CSUM_ERROR
#define IDS_RECV_CSUM_ERROR
Definition: resource.h:155
IDS_RECV_FILE_TRUNCATED
#define IDS_RECV_FILE_TRUNCATED
Definition: resource.h:163
IDS_RECV_NOT_A_SEND_STREAM
#define IDS_RECV_NOT_A_SEND_STREAM
Definition: resource.h:156
IDS_RECV_RECEIVED_SUBVOL_FAILED
#define IDS_RECV_RECEIVED_SUBVOL_FAILED
Definition: resource.h:159
IDS_RECV_UNKNOWN_COMMAND
#define IDS_RECV_UNKNOWN_COMMAND
Definition: resource.h:135
IDS_RECV_READFILE_FAILED
#define IDS_RECV_READFILE_FAILED
Definition: resource.h:133
IDS_RECV_UNSUPPORTED_VERSION
#define IDS_RECV_UNSUPPORTED_VERSION
Definition: resource.h:157
IDC_RECV_PROGRESS
#define IDC_RECV_PROGRESS
Definition: resource.h:264
ReadFile
#define ReadFile(a, b, c, d, e)
Definition: compat.h:742
BTRFS_SEND_CMD_RMDIR
#define BTRFS_SEND_CMD_RMDIR
Definition: btrfs.h:556
BTRFS_SEND_CMD_SET_XATTR
#define BTRFS_SEND_CMD_SET_XATTR
Definition: btrfs.h:557
BTRFS_SEND_CMD_MKFILE
#define BTRFS_SEND_CMD_MKFILE
Definition: btrfs.h:547
BTRFS_SEND_CMD_UPDATE_EXTENT
#define BTRFS_SEND_CMD_UPDATE_EXTENT
Definition: btrfs.h:566
BTRFS_SEND_CMD_WRITE
#define BTRFS_SEND_CMD_WRITE
Definition: btrfs.h:559
BTRFS_SEND_CMD_UTIMES
#define BTRFS_SEND_CMD_UTIMES
Definition: btrfs.h:564
BTRFS_SEND_CMD_CHMOD
#define BTRFS_SEND_CMD_CHMOD
Definition: btrfs.h:562
BTRFS_SEND_CMD_LINK
#define BTRFS_SEND_CMD_LINK
Definition: btrfs.h:554
BTRFS_SEND_CMD_RENAME
#define BTRFS_SEND_CMD_RENAME
Definition: btrfs.h:553
BTRFS_SEND_CMD_SUBVOL
#define BTRFS_SEND_CMD_SUBVOL
Definition: btrfs.h:545
BTRFS_SEND_CMD_SNAPSHOT
#define BTRFS_SEND_CMD_SNAPSHOT
Definition: btrfs.h:546
BTRFS_SEND_CMD_TRUNCATE
#define BTRFS_SEND_CMD_TRUNCATE
Definition: btrfs.h:561
BTRFS_SEND_CMD_CHOWN
#define BTRFS_SEND_CMD_CHOWN
Definition: btrfs.h:563
BTRFS_SEND_CMD_END
#define BTRFS_SEND_CMD_END
Definition: btrfs.h:565
BTRFS_SEND_CMD_UNLINK
#define BTRFS_SEND_CMD_UNLINK
Definition: btrfs.h:555
BTRFS_SEND_CMD_REMOVE_XATTR
#define BTRFS_SEND_CMD_REMOVE_XATTR
Definition: btrfs.h:558
BTRFS_SEND_CMD_CLONE
#define BTRFS_SEND_CMD_CLONE
Definition: btrfs.h:560
BTRFS_SEND_MAGIC
#define BTRFS_SEND_MAGIC
Definition: btrfs.h:593
f
GLfloat f
Definition: glext.h:7540
float
static float(__cdecl *square_half_float)(float x
PBM_SETRANGE32
#define PBM_SETRANGE32
Definition: commctrl.h:2188
PBM_SETPOS
#define PBM_SETPOS
Definition: commctrl.h:2184
delete_directory
static void delete_directory(const wstring &dir)
Definition: recv.cpp:1117
check_csum
static bool check_csum(btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1147
btrfs_received_subvol
Definition: btrfsioctl.h:244
btrfs_received_subvol::generation
uint64_t generation
Definition: btrfsioctl.h:245
btrfs_received_subvol::uuid
BTRFS_UUID uuid
Definition: btrfsioctl.h:246
btrfs_send_command
Definition: btrfs.h:600
btrfs_send_header
Definition: btrfs.h:595
LPARAM
LONG_PTR LPARAM
Definition: windef.h:208
ERROR_HANDLE_EOF
#define ERROR_HANDLE_EOF
Definition: winerror.h:140
GetDlgItem
HWND WINAPI GetDlgItem(_In_opt_ HWND, _In_ int)
SendMessageW
LRESULT WINAPI SendMessageW(_In_ HWND, _In_ UINT, _In_ WPARAM, _In_ LPARAM)

Referenced by recv_thread().

◆ find_tlv()

bool BtrfsRecv::find_tlv ( uint8_t *  data,
ULONG  datalen,
uint16_t  type,
void **  value,
ULONG *  len 
)
private

Definition at line 45 of file recv.cpp.

45 {
46 size_t off = 0;
47
48 while (off < datalen) {
49 btrfs_send_tlv* tlv = (btrfs_send_tlv*)(data + off);
50 uint8_t* payload = data + off + sizeof(btrfs_send_tlv);
51
52 if (off + sizeof(btrfs_send_tlv) + tlv->length > datalen) // file is truncated
53 return false;
54
55 if (tlv->type == type) {
56 *value = payload;
57 *len = tlv->length;
58 return true;
59 }
60
61 off += sizeof(btrfs_send_tlv) + tlv->length;
62 }
63
64 return false;
65}
type
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
len
GLenum GLsizei len
Definition: glext.h:6722
btrfs_send_tlv
Definition: btrfs.h:606
btrfs_send_tlv::type
uint16_t type
Definition: btrfs.h:607
btrfs_send_tlv::length
uint16_t length
Definition: btrfs.h:608
value
Definition: pdh_main.c:94

Referenced by cmd_chmod(), cmd_chown(), cmd_clone(), cmd_link(), cmd_mkfile(), cmd_removexattr(), cmd_rename(), cmd_rmdir(), cmd_setxattr(), cmd_snapshot(), cmd_subvol(), cmd_truncate(), cmd_unlink(), cmd_utimes(), and cmd_write().

◆ Open()

void BtrfsRecv::Open ( HWND  hwnd,
const wstring &  file,
const wstring &  path,
bool  quiet 
)

Definition at line 1531 of file recv.cpp.

1531 {
1532 streamfile = file;
1533 dirpath = path;
1534 subvolpath = L"";
1535
1536#if defined(_X86_) || defined(_AMD64_)
1537 check_cpu();
1538#endif
1539
1540 if (quiet)
1541 recv_thread();
1542 else {
1543 if (DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_RECV_PROGRESS), hwnd, stub_RecvProgressDlgProc, (LPARAM)this) <= 0)
1544 throw last_error(GetLastError());
1545 }
1546}
BtrfsRecv::recv_thread
DWORD recv_thread()
Definition: recv.cpp:1393
BtrfsRecv::streamfile
wstring streamfile
Definition: recv.h:79
last_error
Definition: shellext.h:365
IDD_RECV_PROGRESS
#define IDD_RECV_PROGRESS
Definition: resource.h:86
stub_RecvProgressDlgProc
static INT_PTR CALLBACK stub_RecvProgressDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
Definition: recv.cpp:1515
file
Definition: fci.c:127
MAKEINTRESOURCEW
#define MAKEINTRESOURCEW(i)
Definition: winuser.h:582
DialogBoxParamW
INT_PTR WINAPI DialogBoxParamW(_In_opt_ HINSTANCE, _In_ LPCWSTR, _In_opt_ HWND, _In_opt_ DLGPROC, _In_ LPARAM)
quiet
static int quiet
Definition: xmllint.c:162

Referenced by RecvSubvolW().

◆ recv_thread()

DWORD BtrfsRecv::recv_thread ( )

Definition at line 1393 of file recv.cpp.

1393 {
1394 LARGE_INTEGER size;
1395 uint64_t pos = 0;
1396 bool b = true;
1397
1398 running = true;
1399
1400 try {
1401 win_handle f = CreateFileW(streamfile.c_str(), GENERIC_READ, 0, nullptr, OPEN_EXISTING, 0, nullptr);
1402 if (f == INVALID_HANDLE_VALUE)
1403 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, streamfile.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1404
1405 if (!GetFileSizeEx(f, &size))
1406 throw string_error(IDS_RECV_GETFILESIZEEX_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1407
1408 {
1409 win_handle parent = CreateFileW(dirpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1410 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1411 if (parent == INVALID_HANDLE_VALUE)
1412 throw string_error(IDS_RECV_CANT_OPEN_PATH, dirpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1413
1414 do {
1415 do_recv(f, &pos, size.QuadPart, parent);
1416 } while (pos < (uint64_t)size.QuadPart);
1417 }
1418 } catch (const exception& e) {
1419 auto msg = utf8_to_utf16(e.what());
1420
1421 SetDlgItemTextW(hwnd, IDC_RECV_MSG, msg.c_str());
1422
1423 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETSTATE, PBST_ERROR, 0);
1424
1425 b = false;
1426 }
1427
1428 if (b && hwnd) {
1429 wstring s;
1430
1431 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, 65536, 0);
1432
1433 if (num_received == 1) {
1434 load_string(module, IDS_RECV_SUCCESS, s);
1435 SetDlgItemTextW(hwnd, IDC_RECV_MSG, s.c_str());
1436 } else {
1437 wstring t;
1438
1439 load_string(module, IDS_RECV_SUCCESS_PLURAL, s);
1440
1441 wstring_sprintf(t, s, num_received);
1442
1443 SetDlgItemTextW(hwnd, IDC_RECV_MSG, t.c_str());
1444 }
1445
1446 load_string(module, IDS_RECV_BUTTON_OK, s);
1447
1448 SetDlgItemTextW(hwnd, IDCANCEL, s.c_str());
1449 }
1450
1451 thread = nullptr;
1452 running = false;
1453
1454 return 0;
1455}
msg
#define msg(x)
Definition: auth_time.c:54
BtrfsRecv::do_recv
void do_recv(const win_handle &f, uint64_t *pos, uint64_t size, const win_handle &parent)
Definition: recv.cpp:1160
wstring_sprintf
void wstring_sprintf(wstring &s, wstring fmt,...)
Definition: main.cpp:225
IDC_RECV_MSG
#define IDC_RECV_MSG
Definition: resource.h:325
IDS_RECV_SUCCESS
#define IDS_RECV_SUCCESS
Definition: resource.h:151
IDS_RECV_BUTTON_OK
#define IDS_RECV_BUTTON_OK
Definition: resource.h:152
IDS_RECV_SUCCESS_PLURAL
#define IDS_RECV_SUCCESS_PLURAL
Definition: resource.h:175
s
GLdouble s
Definition: gl.h:2039
t
GLdouble GLdouble t
Definition: gl.h:2047
b
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
e
#define e
Definition: ke_i.h:82
load_string
static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
Definition: muireg.c:10
__exception
Definition: cpp.c:26
IDCANCEL
#define IDCANCEL
Definition: winuser.h:831
SetDlgItemTextW
BOOL WINAPI SetDlgItemTextW(_In_ HWND, _In_ int, _In_ LPCWSTR)

Referenced by global_recv_thread(), and Open().

◆ RecvProgressDlgProc()

INT_PTR CALLBACK BtrfsRecv::RecvProgressDlgProc ( HWND  hwndDlg,
UINT  uMsg,
WPARAM  wParam,
LPARAM  lParam 
)

Definition at line 1463 of file recv.cpp.

1463 {
1464 switch (uMsg) {
1465 case WM_INITDIALOG:
1466 try {
1467 this->hwnd = hwndDlg;
1468 thread = CreateThread(nullptr, 0, global_recv_thread, this, 0, nullptr);
1469
1470 if (!thread)
1471 throw string_error(IDS_RECV_CREATETHREAD_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1472 } catch (const exception& e) {
1473 auto msg = utf8_to_utf16(e.what());
1474
1475 SetDlgItemTextW(hwnd, IDC_RECV_MSG, msg.c_str());
1476
1477 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETSTATE, PBST_ERROR, 0);
1478 }
1479 break;
1480
1481 case WM_COMMAND:
1482 switch (HIWORD(wParam)) {
1483 case BN_CLICKED:
1484 switch (LOWORD(wParam)) {
1485 case IDOK:
1486 case IDCANCEL:
1487 if (running) {
1488 wstring s;
1489
1490 cancelling = true;
1491
1492 if (!load_string(module, IDS_RECV_CANCELLED, s))
1493 throw last_error(GetLastError());
1494
1495 SetDlgItemTextW(hwnd, IDC_RECV_MSG, s.c_str());
1496 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, 0, 0);
1497
1498 if (!load_string(module, IDS_RECV_BUTTON_OK, s))
1499 throw last_error(GetLastError());
1500
1501 SetDlgItemTextW(hwnd, IDCANCEL, s.c_str());
1502 } else
1503 EndDialog(hwndDlg, 1);
1504
1505 return true;
1506 }
1507 break;
1508 }
1509 break;
1510 }
1511
1512 return false;
1513}
wParam
WPARAM wParam
Definition: combotst.c:138
IDS_RECV_CREATETHREAD_FAILED
#define IDS_RECV_CREATETHREAD_FAILED
Definition: resource.h:162
IDS_RECV_CANCELLED
#define IDS_RECV_CANCELLED
Definition: resource.h:165
CreateThread
HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread(IN LPSECURITY_ATTRIBUTES lpThreadAttributes, IN DWORD dwStackSize, IN LPTHREAD_START_ROUTINE lpStartAddress, IN LPVOID lpParameter, IN DWORD dwCreationFlags, OUT LPDWORD lpThreadId)
Definition: thread.c:137
LOWORD
#define LOWORD(l)
Definition: pedump.c:82
global_recv_thread
static DWORD WINAPI global_recv_thread(LPVOID lpParameter)
Definition: recv.cpp:1457
HIWORD
#define HIWORD(l)
Definition: typedefs.h:247
WM_COMMAND
#define WM_COMMAND
Definition: winuser.h:1740
WM_INITDIALOG
#define WM_INITDIALOG
Definition: winuser.h:1739
IDOK
#define IDOK
Definition: winuser.h:830
BN_CLICKED
#define BN_CLICKED
Definition: winuser.h:1925
EndDialog
BOOL WINAPI EndDialog(_In_ HWND, _In_ INT_PTR)

Referenced by stub_RecvProgressDlgProc().

Member Data Documentation

◆ cache

vector<subvol_cache> BtrfsRecv::cache
private

Definition at line 85 of file recv.h.

◆ cancelling

bool BtrfsRecv::cancelling
private

Definition at line 84 of file recv.h.

Referenced by BtrfsRecv(), do_recv(), and RecvProgressDlgProc().

◆ dir

HANDLE BtrfsRecv::dir
private

Definition at line 77 of file recv.h.

Referenced by BtrfsRecv(), cmd_clone(), cmd_mkfile(), cmd_snapshot(), cmd_subvol(), and do_recv().

◆ dirpath

wstring BtrfsRecv::dirpath
private

Definition at line 79 of file recv.h.

Referenced by cmd_clone(), cmd_snapshot(), cmd_subvol(), Open(), and recv_thread().

◆ hwnd

HWND BtrfsRecv::hwnd
private

Definition at line 78 of file recv.h.

◆ lastwriteatt

DWORD BtrfsRecv::lastwriteatt
private

Definition at line 80 of file recv.h.

Referenced by cmd_write(), and do_recv().

◆ lastwritefile

HANDLE BtrfsRecv::lastwritefile
private

Definition at line 77 of file recv.h.

Referenced by cmd_write(), and do_recv().

◆ lastwritepath

wstring BtrfsRecv::lastwritepath
private

Definition at line 79 of file recv.h.

Referenced by cmd_write(), and do_recv().

◆ master

HANDLE BtrfsRecv::master
private

Definition at line 77 of file recv.h.

Referenced by BtrfsRecv(), cmd_snapshot(), cmd_subvol(), and do_recv().

◆ num_received

ULONG BtrfsRecv::num_received
private

Definition at line 81 of file recv.h.

Referenced by BtrfsRecv(), cmd_snapshot(), cmd_subvol(), and recv_thread().

◆ running

bool BtrfsRecv::running
private

Definition at line 84 of file recv.h.

Referenced by BtrfsRecv(), recv_thread(), and RecvProgressDlgProc().

◆ stransid

uint64_t BtrfsRecv::stransid
private

Definition at line 82 of file recv.h.

Referenced by BtrfsRecv(), cmd_snapshot(), cmd_subvol(), and do_recv().

◆ streamfile

wstring BtrfsRecv::streamfile
private

Definition at line 79 of file recv.h.

Referenced by Open(), and recv_thread().

◆ subvol_uuid

BTRFS_UUID BtrfsRecv::subvol_uuid
private

Definition at line 83 of file recv.h.

Referenced by cmd_snapshot(), cmd_subvol(), and do_recv().

◆ subvolpath

wstring BtrfsRecv::subvolpath
private

Definition at line 79 of file recv.h.

Referenced by cmd_chmod(), cmd_chown(), cmd_clone(), cmd_link(), cmd_mkfile(), cmd_removexattr(), cmd_rename(), cmd_rmdir(), cmd_setxattr(), cmd_snapshot(), cmd_subvol(), cmd_truncate(), cmd_unlink(), cmd_utimes(), cmd_write(), do_recv(), and Open().

◆ thread

HANDLE BtrfsRecv::thread
private

Definition at line 77 of file recv.h.

Referenced by BtrfsRecv(), recv_thread(), and RecvProgressDlgProc().

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