ReactOS 0.4.15-dev-6047-gb29e82d
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 144 of file recv.cpp.

144 {
145 subvol_cache sc;
146
147 sc.uuid = *uuid;
148 sc.transid = transid;
149 sc.path = path;
150
151 cache.push_back(sc);
152}
uuid
Definition: msctf.idl:511
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 977 of file recv.cpp.

977 {
978 win_handle h;
979 uint32_t* mode;
980 ULONG modelen;
981 wstring pathu;
982 btrfs_set_inode_info bsii;
983 NTSTATUS Status;
984 IO_STATUS_BLOCK iosb;
985
986 {
987 char* path;
988 ULONG pathlen;
989
990 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
991 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
992
993 pathu = utf8_to_utf16(string(path, pathlen));
994 }
995
996 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen))
997 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"mode");
998
999 if (modelen < sizeof(uint32_t))
1000 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint32_t));
1001
1002 h = CreateFileW((subvolpath + pathu).c_str(), WRITE_DAC, 0, nullptr, OPEN_EXISTING,
1003 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1004 if (h == INVALID_HANDLE_VALUE)
1005 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1006
1007 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
1008
1009 bsii.mode_changed = true;
1010 bsii.st_mode = *mode;
1011
1012 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
1013 if (!NT_SUCCESS(Status))
1014 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
1015}
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:42
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:1040

Referenced by do_recv().

◆ cmd_chown()

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

Definition at line 1017 of file recv.cpp.

1017 {
1018 win_handle h;
1019 uint32_t *uid, *gid;
1020 ULONG uidlen, gidlen;
1021 wstring pathu;
1022 btrfs_set_inode_info bsii;
1023
1024 {
1025 char* path;
1026 ULONG pathlen;
1027
1028 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
1029 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
1030
1031 pathu = utf8_to_utf16(string(path, pathlen));
1032 }
1033
1034 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_ATTRIBUTES | WRITE_OWNER | WRITE_DAC, 0, nullptr, OPEN_EXISTING,
1035 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1036 if (h == INVALID_HANDLE_VALUE)
1037 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1038
1039 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
1040
1041 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_UID, (void**)&uid, &uidlen)) {
1042 if (uidlen < sizeof(uint32_t))
1043 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uid", uidlen, sizeof(uint32_t));
1044
1045 bsii.uid_changed = true;
1046 bsii.st_uid = *uid;
1047 }
1048
1049 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_GID, (void**)&gid, &gidlen)) {
1050 if (gidlen < sizeof(uint32_t))
1051 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"gid", gidlen, sizeof(uint32_t));
1052
1053 bsii.gid_changed = true;
1054 bsii.st_gid = *gid;
1055 }
1056
1057 if (bsii.uid_changed || bsii.gid_changed) {
1058 NTSTATUS Status;
1059 IO_STATUS_BLOCK iosb;
1060
1061 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
1062 if (!NT_SUCCESS(Status))
1063 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
1064 }
1065}
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 788 of file recv.cpp.

788 {
789 uint64_t *offset, *cloneoffset, *clonetransid, *clonelen;
790 BTRFS_UUID* cloneuuid;
791 ULONG i, offsetlen, cloneoffsetlen, cloneuuidlen, clonetransidlen, clonelenlen;
792 wstring pathu, clonepathu, clonepar;
793 btrfs_find_subvol bfs;
794 NTSTATUS Status;
795 IO_STATUS_BLOCK iosb;
796 WCHAR cloneparw[MAX_PATH];
797 DUPLICATE_EXTENTS_DATA ded;
798 LARGE_INTEGER filesize;
799 bool found = false;
800
801 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_OFFSET, (void**)&offset, &offsetlen))
802 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"offset");
803
804 if (offsetlen < sizeof(uint64_t))
805 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"offset", offsetlen, sizeof(uint64_t));
806
807 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_LENGTH, (void**)&clonelen, &clonelenlen))
808 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_len");
809
810 if (clonelenlen < sizeof(uint64_t))
811 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_len", clonelenlen, sizeof(uint64_t));
812
813 {
814 char* path;
815 ULONG pathlen;
816
817 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
818 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
819
820 pathu = utf8_to_utf16(string(path, pathlen));
821 }
822
823 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_UUID, (void**)&cloneuuid, &cloneuuidlen))
824 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_uuid");
825
826 if (cloneuuidlen < sizeof(BTRFS_UUID))
827 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_uuid", cloneuuidlen, sizeof(BTRFS_UUID));
828
829 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_CTRANSID, (void**)&clonetransid, &clonetransidlen))
830 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_ctransid");
831
832 if (clonetransidlen < sizeof(uint64_t))
833 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_ctransid", clonetransidlen, sizeof(uint64_t));
834
835 {
836 char* clonepath;
837 ULONG clonepathlen;
838
839 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_PATH, (void**)&clonepath, &clonepathlen))
840 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_path");
841
842 clonepathu = utf8_to_utf16(string(clonepath, clonepathlen));
843 }
844
845 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_OFFSET, (void**)&cloneoffset, &cloneoffsetlen))
846 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_offset");
847
848 if (cloneoffsetlen < sizeof(uint64_t))
849 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_offset", cloneoffsetlen, sizeof(uint64_t));
850
851 for (i = 0; i < cache.size(); i++) {
852 if (!memcmp(cloneuuid, &cache[i].uuid, sizeof(BTRFS_UUID)) && *clonetransid == cache[i].transid) {
853 clonepar = cache[i].path;
854 found = true;
855 break;
856 }
857 }
858
859 if (!found) {
860 WCHAR volpathw[MAX_PATH];
861
862 bfs.uuid = *cloneuuid;
863 bfs.ctransid = *clonetransid;
864
865 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_FIND_SUBVOL, &bfs, sizeof(btrfs_find_subvol),
866 cloneparw, sizeof(cloneparw));
867 if (Status == STATUS_NOT_FOUND)
868 throw string_error(IDS_RECV_CANT_FIND_CLONE_SUBVOL);
869 else if (!NT_SUCCESS(Status))
870 throw string_error(IDS_RECV_FIND_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
871
872 if (!GetVolumePathNameW(dirpath.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
873 throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
874
875 clonepar = volpathw;
876 if (clonepar.substr(clonepar.length() - 1) == L"\\")
877 clonepar = clonepar.substr(0, clonepar.length() - 1);
878
879 clonepar += cloneparw;
880 clonepar += L"\\";
881
882 add_cache_entry(cloneuuid, *clonetransid, clonepar);
883 }
884
885 {
886 win_handle src = CreateFileW((clonepar + clonepathu).c_str(), FILE_READ_DATA, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
887 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
888 if (src == INVALID_HANDLE_VALUE)
889 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, (clonepar + clonepathu).c_str(), GetLastError(), format_message(GetLastError()).c_str());
890
891 win_handle dest = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
892 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
893 if (dest == INVALID_HANDLE_VALUE)
894 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
895
896 if (!GetFileSizeEx(dest, &filesize))
897 throw string_error(IDS_RECV_GETFILESIZEEX_FAILED, GetLastError(), format_message(GetLastError()).c_str());
898
899 if ((uint64_t)filesize.QuadPart < *offset + *clonelen) {
900 LARGE_INTEGER sizeli;
901
902 sizeli.QuadPart = *offset + *clonelen;
903
904 if (SetFilePointer(dest, sizeli.LowPart, &sizeli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
905 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
906
907 if (!SetEndOfFile(dest))
908 throw string_error(IDS_RECV_SETENDOFFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
909 }
910
911 ded.FileHandle = src;
912 ded.SourceFileOffset.QuadPart = *cloneoffset;
913 ded.TargetFileOffset.QuadPart = *offset;
914 ded.ByteCount.QuadPart = *clonelen;
915
916 Status = NtFsControlFile(dest, nullptr, nullptr, nullptr, &iosb, FSCTL_DUPLICATE_EXTENTS_TO_FILE, &ded, sizeof(DUPLICATE_EXTENTS_DATA),
917 nullptr, 0);
918 if (!NT_SUCCESS(Status))
919 throw string_error(IDS_RECV_DUPLICATE_EXTENTS_FAILED, Status, format_ntstatus(Status).c_str());
920 }
921}
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:144
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 454 of file recv.cpp.

454 {
455 wstring pathu, path_linku;
456
457 {
458 char* path;
459 ULONG path_len;
460
461 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &path_len))
462 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
463
464 pathu = utf8_to_utf16(string(path, path_len));
465 }
466
467 {
468 char* path_link;
469 ULONG path_link_len;
470
471 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_LINK, (void**)&path_link, &path_link_len))
472 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_link");
473
474 path_linku = utf8_to_utf16(string(path_link, path_link_len));
475 }
476
477 if (!CreateHardLinkW((subvolpath + pathu).c_str(), (subvolpath + path_linku).c_str(), nullptr))
478 throw string_error(IDS_RECV_CREATEHARDLINK_FAILED, pathu.c_str(), path_linku.c_str(), GetLastError(), format_message(GetLastError()).c_str());
479}
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 277 of file recv.cpp.

277 {
278 uint64_t *inode, *rdev = nullptr, *mode = nullptr;
279 ULONG inodelen;
280 NTSTATUS Status;
281 IO_STATUS_BLOCK iosb;
282 btrfs_mknod* bmn;
283 wstring nameu, pathlinku;
284
285 {
286 char* name;
287 ULONG namelen;
288
289 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&name, &namelen))
290 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
291
292 nameu = utf8_to_utf16(string(name, namelen));
293 }
294
295 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_INODE, (void**)&inode, &inodelen))
296 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"inode");
297
298 if (inodelen < sizeof(uint64_t))
299 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"inode", inodelen, sizeof(uint64_t));
300
301 if (cmd->cmd == BTRFS_SEND_CMD_MKNOD || cmd->cmd == BTRFS_SEND_CMD_MKFIFO || cmd->cmd == BTRFS_SEND_CMD_MKSOCK) {
302 ULONG rdevlen, modelen;
303
304 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_RDEV, (void**)&rdev, &rdevlen))
305 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"rdev");
306
307 if (rdevlen < sizeof(uint64_t))
308 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"rdev", rdev, sizeof(uint64_t));
309
310 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen))
311 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"mode");
312
313 if (modelen < sizeof(uint64_t))
314 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint64_t));
315 } else if (cmd->cmd == BTRFS_SEND_CMD_SYMLINK) {
316 char* pathlink;
317 ULONG pathlinklen;
318
319 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_LINK, (void**)&pathlink, &pathlinklen))
320 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_link");
321
322 pathlinku = utf8_to_utf16(string(pathlink, pathlinklen));
323 }
324
325 size_t bmnsize = sizeof(btrfs_mknod) - sizeof(WCHAR) + (nameu.length() * sizeof(WCHAR));
326 bmn = (btrfs_mknod*)malloc(bmnsize);
327
328 bmn->inode = *inode;
329
330 if (cmd->cmd == BTRFS_SEND_CMD_MKDIR)
331 bmn->type = BTRFS_TYPE_DIRECTORY;
332 else if (cmd->cmd == BTRFS_SEND_CMD_MKNOD)
333 bmn->type = *mode & S_IFCHR ? BTRFS_TYPE_CHARDEV : BTRFS_TYPE_BLOCKDEV;
334 else if (cmd->cmd == BTRFS_SEND_CMD_MKFIFO)
335 bmn->type = BTRFS_TYPE_FIFO;
336 else if (cmd->cmd == BTRFS_SEND_CMD_MKSOCK)
337 bmn->type = BTRFS_TYPE_SOCKET;
338 else
339 bmn->type = BTRFS_TYPE_FILE;
340
341 bmn->st_rdev = rdev ? *rdev : 0;
342 bmn->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
343 memcpy(bmn->name, nameu.c_str(), bmn->namelen);
344
345 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_MKNOD, bmn, (ULONG)bmnsize, nullptr, 0);
346 if (!NT_SUCCESS(Status)) {
347 free(bmn);
348 throw string_error(IDS_RECV_MKNOD_FAILED, Status, format_ntstatus(Status).c_str());
349 }
350
351 free(bmn);
352
353 if (cmd->cmd == BTRFS_SEND_CMD_SYMLINK) {
354 REPARSE_DATA_BUFFER* rdb;
355 btrfs_set_inode_info bsii;
356
357 size_t rdblen = offsetof(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer[0]) + (2 * pathlinku.length() * sizeof(WCHAR));
358
359 if (rdblen >= 0x10000)
360 throw string_error(IDS_RECV_PATH_TOO_LONG, funcname);
361
362 rdb = (REPARSE_DATA_BUFFER*)malloc(rdblen);
363
364 rdb->ReparseTag = IO_REPARSE_TAG_SYMLINK;
365 rdb->ReparseDataLength = (uint16_t)(rdblen - offsetof(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer));
366 rdb->Reserved = 0;
367 rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset = 0;
368 rdb->SymbolicLinkReparseBuffer.SubstituteNameLength = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
369 rdb->SymbolicLinkReparseBuffer.PrintNameOffset = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
370 rdb->SymbolicLinkReparseBuffer.PrintNameLength = (uint16_t)(pathlinku.length() * sizeof(WCHAR));
371 rdb->SymbolicLinkReparseBuffer.Flags = SYMLINK_FLAG_RELATIVE;
372
373 memcpy(rdb->SymbolicLinkReparseBuffer.PathBuffer, pathlinku.c_str(), rdb->SymbolicLinkReparseBuffer.SubstituteNameLength);
374 memcpy(rdb->SymbolicLinkReparseBuffer.PathBuffer + (rdb->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof(WCHAR)),
375 pathlinku.c_str(), rdb->SymbolicLinkReparseBuffer.PrintNameLength);
376
377 win_handle h = CreateFileW((subvolpath + nameu).c_str(), GENERIC_WRITE | WRITE_DAC, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
378 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
379 if (h == INVALID_HANDLE_VALUE) {
380 free(rdb);
381 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, nameu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
382 }
383
384 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_SET_REPARSE_POINT, rdb, (ULONG)rdblen, nullptr, 0);
385 if (!NT_SUCCESS(Status)) {
386 free(rdb);
387 throw string_error(IDS_RECV_SET_REPARSE_POINT_FAILED, Status, format_ntstatus(Status).c_str());
388 }
389
390 free(rdb);
391
392 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
393
394 bsii.mode_changed = true;
395 bsii.st_mode = 0777;
396
397 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
398 if (!NT_SUCCESS(Status))
399 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
400 } else if (cmd->cmd == BTRFS_SEND_CMD_MKNOD || cmd->cmd == BTRFS_SEND_CMD_MKFIFO || cmd->cmd == BTRFS_SEND_CMD_MKSOCK) {
401 uint64_t* mode;
402 ULONG modelen;
403
404 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_MODE, (void**)&mode, &modelen)) {
405 btrfs_set_inode_info bsii;
406
407 if (modelen < sizeof(uint64_t))
408 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"mode", modelen, sizeof(uint64_t));
409
410 win_handle h = CreateFileW((subvolpath + nameu).c_str(), WRITE_DAC, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
411 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
412 if (h == INVALID_HANDLE_VALUE)
413 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, nameu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
414
415 memset(&bsii, 0, sizeof(btrfs_set_inode_info));
416
417 bsii.mode_changed = true;
418 bsii.st_mode = (uint32_t)*mode;
419
420 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
421 if (!NT_SUCCESS(Status))
422 throw string_error(IDS_RECV_SETINODEINFO_FAILED, Status, format_ntstatus(Status).c_str());
423 }
424 }
425}
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::@306::@308 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 631 of file recv.cpp.

631 {
632 wstring pathu;
633 string xattrname;
634
635 {
636 char* path;
637 ULONG pathlen;
638
639 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
640 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
641
642 pathu = utf8_to_utf16(string(path, pathlen));
643 }
644
645 {
646 char* xattrnamebuf;
647 ULONG xattrnamelen;
648
649 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_NAME, (void**)&xattrnamebuf, &xattrnamelen))
650 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_name");
651
652 xattrname = string(xattrnamebuf, xattrnamelen);
653 }
654
655 if (xattrname.length() > XATTR_USER.length() && xattrname.substr(0, XATTR_USER.length()) == XATTR_USER && xattrname != EA_DOSATTRIB && xattrname != EA_EA) { // deleting stream
656 ULONG att;
657
658 auto streamname = utf8_to_utf16(xattrname);
659
660 streamname = streamname.substr(XATTR_USER.length());
661
662 att = GetFileAttributesW((subvolpath + pathu).c_str());
663 if (att == INVALID_FILE_ATTRIBUTES)
664 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
665
666 if (att & FILE_ATTRIBUTE_READONLY) {
667 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
668 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
669 }
670
671 if (!DeleteFileW((subvolpath + pathu + L":" + streamname).c_str()))
672 throw string_error(IDS_RECV_DELETEFILE_FAILED, (pathu + L":" + streamname).c_str(), GetLastError(), format_message(GetLastError()).c_str());
673
674 if (att & FILE_ATTRIBUTE_READONLY) {
675 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
676 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
677 }
678 } else {
679 IO_STATUS_BLOCK iosb;
680 NTSTATUS Status;
681 ULONG perms = FILE_WRITE_ATTRIBUTES;
682 btrfs_set_xattr* bsxa;
683
684 if (xattrname == EA_NTACL)
685 perms |= WRITE_DAC | WRITE_OWNER;
686 else if (xattrname == EA_EA)
687 perms |= FILE_WRITE_EA;
688
689 win_handle h = CreateFileW((subvolpath + pathu).c_str(), perms, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
690 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS | FILE_OPEN_REPARSE_POINT, nullptr);
691 if (h == INVALID_HANDLE_VALUE)
692 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
693
694 size_t bsxalen = offsetof(btrfs_set_xattr, data[0]) + xattrname.length();
695 bsxa = (btrfs_set_xattr*)malloc(bsxalen);
696 if (!bsxa)
697 throw string_error(IDS_OUT_OF_MEMORY);
698
699 bsxa->namelen = (uint16_t)(xattrname.length());
700 bsxa->valuelen = 0;
701 memcpy(bsxa->data, xattrname.c_str(), xattrname.length());
702
703 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_XATTR, bsxa, (ULONG)bsxalen, nullptr, 0);
704 if (!NT_SUCCESS(Status)) {
705 free(bsxa);
706 throw string_error(IDS_RECV_SETXATTR_FAILED, Status, format_ntstatus(Status).c_str());
707 }
708
709 free(bsxa);
710 }
711}
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:40
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 427 of file recv.cpp.

427 {
428 wstring pathu, path_tou;
429
430 {
431 char* path;
432 ULONG path_len;
433
434 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &path_len))
435 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
436
437 pathu = utf8_to_utf16(string(path, path_len));
438 }
439
440 {
441 char* path_to;
442 ULONG path_to_len;
443
444 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH_TO, (void**)&path_to, &path_to_len))
445 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path_to");
446
447 path_tou = utf8_to_utf16(string(path_to, path_to_len));
448 }
449
450 if (!MoveFileW((subvolpath + pathu).c_str(), (subvolpath + path_tou).c_str()))
451 throw string_error(IDS_RECV_MOVEFILE_FAILED, pathu.c_str(), path_tou.c_str(), GetLastError(), format_message(GetLastError()).c_str());
452}
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 508 of file recv.cpp.

508 {
509 wstring pathu;
510 ULONG att;
511
512 {
513 char* path;
514 ULONG pathlen;
515
516 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
517 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
518
519 pathu = utf8_to_utf16(string(path, pathlen));
520 }
521
522 att = GetFileAttributesW((subvolpath + pathu).c_str());
523 if (att == INVALID_FILE_ATTRIBUTES)
524 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
525
526 if (att & FILE_ATTRIBUTE_READONLY) {
527 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
528 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
529 }
530
531 if (!RemoveDirectoryW((subvolpath + pathu).c_str()))
532 throw string_error(IDS_RECV_REMOVEDIRECTORY_FAILED, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
533}
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 535 of file recv.cpp.

535 {
536 string xattrname;
537 uint8_t* xattrdata;
538 ULONG xattrdatalen;
539 wstring pathu;
540
541 {
542 char* path;
543 ULONG pathlen;
544
545 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
546 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
547
548 pathu = utf8_to_utf16(string(path, pathlen));
549 }
550
551 {
552 char* xattrnamebuf;
553 ULONG xattrnamelen;
554
555 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_NAME, (void**)&xattrnamebuf, &xattrnamelen))
556 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_name");
557
558 xattrname = string(xattrnamebuf, xattrnamelen);
559 }
560
561 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_XATTR_DATA, (void**)&xattrdata, &xattrdatalen))
562 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"xattr_data");
563
564 if (xattrname.length() > XATTR_USER.length() && xattrname.substr(0, XATTR_USER.length()) == XATTR_USER &&
565 xattrname != EA_DOSATTRIB && xattrname != EA_EA && xattrname != EA_REPARSE) {
566 ULONG att;
567
568 auto streamname = utf8_to_utf16(xattrname);
569
570 att = GetFileAttributesW((subvolpath + pathu).c_str());
571 if (att == INVALID_FILE_ATTRIBUTES)
572 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
573
574 if (att & FILE_ATTRIBUTE_READONLY) {
575 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
576 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
577 }
578
579 streamname = streamname.substr(XATTR_USER.length());
580
581 win_handle h = CreateFileW((subvolpath + pathu + L":" + streamname).c_str(), GENERIC_WRITE, 0,
582 nullptr, CREATE_ALWAYS, FILE_FLAG_POSIX_SEMANTICS, nullptr);
583 if (h == INVALID_HANDLE_VALUE)
584 throw string_error(IDS_RECV_CANT_CREATE_FILE, (pathu + L":" + streamname).c_str(), GetLastError(), format_message(GetLastError()).c_str());
585
586 if (xattrdatalen > 0) {
587 if (!WriteFile(h, xattrdata, xattrdatalen, nullptr, nullptr))
588 throw string_error(IDS_RECV_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
589 }
590
591 if (att & FILE_ATTRIBUTE_READONLY) {
592 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
593 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
594 }
595 } else {
596 IO_STATUS_BLOCK iosb;
597 NTSTATUS Status;
598 ULONG perms = FILE_WRITE_ATTRIBUTES;
599 btrfs_set_xattr* bsxa;
600
601 if (xattrname == EA_NTACL)
602 perms |= WRITE_DAC | WRITE_OWNER;
603 else if (xattrname == EA_EA)
604 perms |= FILE_WRITE_EA;
605
606 win_handle h = CreateFileW((subvolpath + pathu).c_str(), perms, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
607 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS | FILE_OPEN_REPARSE_POINT, nullptr);
608 if (h == INVALID_HANDLE_VALUE)
609 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
610
611 size_t bsxalen = offsetof(btrfs_set_xattr, data[0]) + xattrname.length() + xattrdatalen;
612 bsxa = (btrfs_set_xattr*)malloc(bsxalen);
613 if (!bsxa)
614 throw string_error(IDS_OUT_OF_MEMORY);
615
616 bsxa->namelen = (uint16_t)xattrname.length();
617 bsxa->valuelen = (uint16_t)xattrdatalen;
618 memcpy(bsxa->data, xattrname.c_str(), xattrname.length());
619 memcpy(&bsxa->data[xattrname.length()], xattrdata, xattrdatalen);
620
621 Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_XATTR, bsxa, (ULONG)bsxalen, nullptr, 0);
622 if (!NT_SUCCESS(Status)) {
623 free(bsxa);
624 throw string_error(IDS_RECV_SETXATTR_FAILED, Status, format_ntstatus(Status).c_str());
625 }
626
627 free(bsxa);
628 }
629}
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 154 of file recv.cpp.

154 {
155 string name;
156 BTRFS_UUID *uuid, *parent_uuid;
157 uint64_t *gen, *parent_transid;
158 ULONG uuidlen, genlen, paruuidlen, partransidlen;
159 btrfs_create_snapshot* bcs;
160 NTSTATUS Status;
161 IO_STATUS_BLOCK iosb;
162 wstring parpath;
163 btrfs_find_subvol bfs;
164 WCHAR parpathw[MAX_PATH], volpathw[MAX_PATH];
165 size_t bcslen;
166
167 {
168 char* namebuf;
169 ULONG namelen;
170
171 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&namebuf, &namelen))
172 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
173
174 name = string(namebuf, namelen);
175 }
176
177 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_UUID, (void**)&uuid, &uuidlen))
178 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"uuid");
179
180 if (uuidlen < sizeof(BTRFS_UUID))
181 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uuid", uuidlen, sizeof(BTRFS_UUID));
182
183 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_TRANSID, (void**)&gen, &genlen))
184 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"transid");
185
186 if (genlen < sizeof(uint64_t))
187 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"transid", genlen, sizeof(uint64_t));
188
189 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_UUID, (void**)&parent_uuid, &paruuidlen))
190 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_uuid");
191
192 if (paruuidlen < sizeof(BTRFS_UUID))
193 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_uuid", paruuidlen, sizeof(BTRFS_UUID));
194
195 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_CLONE_CTRANSID, (void**)&parent_transid, &partransidlen))
196 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"clone_ctransid");
197
198 if (partransidlen < sizeof(uint64_t))
199 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"clone_ctransid", partransidlen, sizeof(uint64_t));
200
201 this->subvol_uuid = *uuid;
202 this->stransid = *gen;
203
204 auto nameu = utf8_to_utf16(name);
205
206 bfs.uuid = *parent_uuid;
207 bfs.ctransid = *parent_transid;
208
209 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_FIND_SUBVOL, &bfs, sizeof(btrfs_find_subvol),
210 parpathw, sizeof(parpathw));
211 if (Status == STATUS_NOT_FOUND)
212 throw string_error(IDS_RECV_CANT_FIND_PARENT_SUBVOL);
213 else if (!NT_SUCCESS(Status))
214 throw string_error(IDS_RECV_FIND_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
215
216 if (!GetVolumePathNameW(dirpath.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
217 throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
218
219 parpath = volpathw;
220 if (parpath.substr(parpath.length() - 1) == L"\\")
221 parpath = parpath.substr(0, parpath.length() - 1);
222
223 parpath += parpathw;
224
225 {
226 win_handle subvol = CreateFileW(parpath.c_str(), FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
227 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
228 if (subvol == INVALID_HANDLE_VALUE)
229 throw string_error(IDS_RECV_CANT_OPEN_PATH, parpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
230
231 bcslen = offsetof(btrfs_create_snapshot, name[0]) + (nameu.length() * sizeof(WCHAR));
232 bcs = (btrfs_create_snapshot*)malloc(bcslen);
233
234 bcs->readonly = true;
235 bcs->posix = true;
236 bcs->subvol = subvol;
237 bcs->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
238 memcpy(bcs->name, nameu.c_str(), bcs->namelen);
239
240 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_CREATE_SNAPSHOT, bcs, (ULONG)bcslen, nullptr, 0);
241 if (!NT_SUCCESS(Status))
242 throw string_error(IDS_RECV_CREATE_SNAPSHOT_FAILED, Status, format_ntstatus(Status).c_str());
243 }
244
245 subvolpath = dirpath;
246 subvolpath += L"\\";
247 subvolpath += nameu;
248
249 if (dir != INVALID_HANDLE_VALUE)
250 CloseHandle(dir);
251
252 if (master != INVALID_HANDLE_VALUE)
253 CloseHandle(master);
254
255 master = CreateFileW(subvolpath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
256 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
257 if (master == INVALID_HANDLE_VALUE)
258 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
259
260 Status = NtFsControlFile(master, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RESERVE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
261 if (!NT_SUCCESS(Status))
262 throw string_error(IDS_RECV_RESERVE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
263
264 dir = CreateFileW(subvolpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE,
265 FILE_SHARE_READ | FILE_SHARE_WRITE,
266 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
267 if (dir == INVALID_HANDLE_VALUE)
268 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
269
270 subvolpath += L"\\";
271
272 add_cache_entry(&this->subvol_uuid, this->stransid, subvolpath);
273
274 num_received++;
275}
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 64 of file recv.cpp.

64 {
65 string name;
66 BTRFS_UUID* uuid;
67 uint64_t* gen;
68 ULONG uuidlen, genlen;
69 btrfs_create_subvol* bcs;
70 NTSTATUS Status;
71 IO_STATUS_BLOCK iosb;
72
73 {
74 char* namebuf;
75 ULONG namelen;
76
77 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&namebuf, &namelen))
78 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
79
80 name = string(namebuf, namelen);
81 }
82
83 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_UUID, (void**)&uuid, &uuidlen))
84 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"uuid");
85
86 if (uuidlen < sizeof(BTRFS_UUID))
87 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"uuid", uuidlen, sizeof(BTRFS_UUID));
88
89 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_TRANSID, (void**)&gen, &genlen))
90 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"transid");
91
92 if (genlen < sizeof(uint64_t))
93 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"transid", genlen, sizeof(uint64_t));
94
95 this->subvol_uuid = *uuid;
96 this->stransid = *gen;
97
98 auto nameu = utf8_to_utf16(name);
99
100 size_t bcslen = offsetof(btrfs_create_subvol, name[0]) + (nameu.length() * sizeof(WCHAR));
101 bcs = (btrfs_create_subvol*)malloc(bcslen);
102
103 bcs->readonly = true;
104 bcs->posix = true;
105 bcs->namelen = (uint16_t)(nameu.length() * sizeof(WCHAR));
106 memcpy(bcs->name, nameu.c_str(), bcs->namelen);
107
108 Status = NtFsControlFile(parent, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_CREATE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
109 if (!NT_SUCCESS(Status))
110 throw string_error(IDS_RECV_CREATE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
111
112 subvolpath = dirpath;
113 subvolpath += L"\\";
114 subvolpath += nameu;
115
116 if (dir != INVALID_HANDLE_VALUE)
117 CloseHandle(dir);
118
119 if (master != INVALID_HANDLE_VALUE)
120 CloseHandle(master);
121
122 master = CreateFileW(subvolpath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
123 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
124 if (master == INVALID_HANDLE_VALUE)
125 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
126
127 Status = NtFsControlFile(master, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RESERVE_SUBVOL, bcs, (ULONG)bcslen, nullptr, 0);
128 if (!NT_SUCCESS(Status))
129 throw string_error(IDS_RECV_RESERVE_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
130
131 dir = CreateFileW(subvolpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE,
132 FILE_SHARE_READ | FILE_SHARE_WRITE,
133 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
134 if (dir == INVALID_HANDLE_VALUE)
135 throw string_error(IDS_RECV_CANT_OPEN_PATH, subvolpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
136
137 subvolpath += L"\\";
138
139 add_cache_entry(&this->subvol_uuid, this->stransid, subvolpath);
140
141 num_received++;
142}
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 923 of file recv.cpp.

923 {
924 uint64_t* size;
925 ULONG sizelen;
926 wstring pathu;
927 LARGE_INTEGER sizeli;
928 DWORD att;
929
930 {
931 char* path;
932 ULONG pathlen;
933
934 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
935 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
936
937 pathu = utf8_to_utf16(string(path, pathlen));
938 }
939
940 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_SIZE, (void**)&size, &sizelen))
941 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"size");
942
943 if (sizelen < sizeof(uint64_t))
944 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"size", sizelen, sizeof(uint64_t));
945
946 att = GetFileAttributesW((subvolpath + pathu).c_str());
947 if (att == INVALID_FILE_ATTRIBUTES)
948 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
949
950 if (att & FILE_ATTRIBUTE_READONLY) {
951 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
952 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
953 }
954
955 {
956 win_handle h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA, 0, nullptr, OPEN_EXISTING,
957 FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
958
959 if (h == INVALID_HANDLE_VALUE)
960 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
961
962 sizeli.QuadPart = *size;
963
964 if (SetFilePointer(h, sizeli.LowPart, &sizeli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
965 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
966
967 if (!SetEndOfFile(h))
968 throw string_error(IDS_RECV_SETENDOFFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
969 }
970
971 if (att & FILE_ATTRIBUTE_READONLY) {
972 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att))
973 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
974 }
975}
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 481 of file recv.cpp.

481 {
482 wstring pathu;
483 ULONG att;
484
485 {
486 char* path;
487 ULONG pathlen;
488
489 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
490 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
491
492 pathu = utf8_to_utf16(string(path, pathlen));
493 }
494
495 att = GetFileAttributesW((subvolpath + pathu).c_str());
496 if (att == INVALID_FILE_ATTRIBUTES)
497 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
498
499 if (att & FILE_ATTRIBUTE_READONLY) {
500 if (!SetFileAttributesW((subvolpath + pathu).c_str(), att & ~FILE_ATTRIBUTE_READONLY))
501 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
502 }
503
504 if (!DeleteFileW((subvolpath + pathu).c_str()))
505 throw string_error(IDS_RECV_DELETEFILE_FAILED, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
506}

Referenced by do_recv().

◆ cmd_utimes()

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

Definition at line 1071 of file recv.cpp.

1071 {
1072 wstring pathu;
1073 win_handle h;
1074 FILE_BASIC_INFO fbi;
1075 BTRFS_TIME* time;
1076 ULONG timelen;
1077 IO_STATUS_BLOCK iosb;
1078 NTSTATUS Status;
1079
1080 {
1081 char* path;
1082 ULONG pathlen;
1083
1084 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
1085 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
1086
1087 pathu = utf8_to_utf16(string(path, pathlen));
1088 }
1089
1090 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_ATTRIBUTES, 0, nullptr, OPEN_EXISTING,
1091 FILE_FLAG_BACKUP_SEMANTICS | FILE_OPEN_REPARSE_POINT | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1092 if (h == INVALID_HANDLE_VALUE)
1093 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1094
1095 memset(&fbi, 0, sizeof(FILE_BASIC_INFO));
1096
1097 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_OTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1098 fbi.CreationTime.QuadPart = unix_time_to_win(time);
1099
1100 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_ATIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1101 fbi.LastAccessTime.QuadPart = unix_time_to_win(time);
1102
1103 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_MTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1104 fbi.LastWriteTime.QuadPart = unix_time_to_win(time);
1105
1106 if (find_tlv(data, cmd->length, BTRFS_SEND_TLV_CTIME, (void**)&time, &timelen) && timelen >= sizeof(BTRFS_TIME))
1107 fbi.ChangeTime.QuadPart = unix_time_to_win(time);
1108
1109 Status = NtSetInformationFile(h, &iosb, &fbi, sizeof(FILE_BASIC_INFO), FileBasicInformation);
1110 if (!NT_SUCCESS(Status))
1111 throw ntstatus_error(Status);
1112}
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:1067
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 713 of file recv.cpp.

713 {
714 uint64_t* offset;
715 uint8_t* writedata;
716 ULONG offsetlen, datalen;
717 wstring pathu;
718 HANDLE h;
719 LARGE_INTEGER offli;
720 NTSTATUS Status;
721 IO_STATUS_BLOCK iosb;
722
723 {
724 char* path;
725 ULONG pathlen;
726
727 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_PATH, (void**)&path, &pathlen))
728 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"path");
729
730 pathu = utf8_to_utf16(string(path, pathlen));
731 }
732
733 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_OFFSET, (void**)&offset, &offsetlen))
734 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"offset");
735
736 if (offsetlen < sizeof(uint64_t))
737 throw string_error(IDS_RECV_SHORT_PARAM, funcname, L"offset", offsetlen, sizeof(uint64_t));
738
739 if (!find_tlv(data, cmd->length, BTRFS_SEND_TLV_DATA, (void**)&writedata, &datalen))
740 throw string_error(IDS_RECV_MISSING_PARAM, funcname, L"data");
741
742 if (lastwritepath != pathu) {
743 FILE_BASIC_INFO fbi;
744
745 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
746 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
747 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
748 }
749
750 CloseHandle(lastwritefile);
751
752 lastwriteatt = GetFileAttributesW((subvolpath + pathu).c_str());
753 if (lastwriteatt == INVALID_FILE_ATTRIBUTES)
754 throw string_error(IDS_RECV_GETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
755
756 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
757 if (!SetFileAttributesW((subvolpath + pathu).c_str(), lastwriteatt & ~FILE_ATTRIBUTE_READONLY))
758 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
759 }
760
761 h = CreateFileW((subvolpath + pathu).c_str(), FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES, 0, nullptr, OPEN_EXISTING,
762 FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
763 if (h == INVALID_HANDLE_VALUE)
764 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, pathu.c_str(), GetLastError(), format_message(GetLastError()).c_str());
765
766 lastwritepath = pathu;
767 lastwritefile = h;
768
769 memset(&fbi, 0, sizeof(FILE_BASIC_INFO));
770
771 fbi.LastWriteTime.QuadPart = -1;
772
773 Status = NtSetInformationFile(h, &iosb, &fbi, sizeof(FILE_BASIC_INFO), FileBasicInformation);
774 if (!NT_SUCCESS(Status))
775 throw ntstatus_error(Status);
776 } else
777 h = lastwritefile;
778
779 offli.QuadPart = *offset;
780
781 if (SetFilePointer(h, offli.LowPart, &offli.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
782 throw string_error(IDS_RECV_SETFILEPOINTER_FAILED, GetLastError(), format_message(GetLastError()).c_str());
783
784 if (!WriteFile(h, writedata, datalen, nullptr, nullptr))
785 throw string_error(IDS_RECV_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
786}
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 1157 of file recv.cpp.

1157 {
1158 try {
1159 btrfs_send_header header;
1160 bool ended = false;
1161
1162 if (!ReadFile(f, &header, sizeof(btrfs_send_header), nullptr, nullptr))
1163 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1164
1165 *pos += sizeof(btrfs_send_header);
1166
1167 if (memcmp(header.magic, BTRFS_SEND_MAGIC, sizeof(header.magic)))
1168 throw string_error(IDS_RECV_NOT_A_SEND_STREAM);
1169
1170 if (header.version > 1)
1171 throw string_error(IDS_RECV_UNSUPPORTED_VERSION, header.version);
1172
1173 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETRANGE32, 0, (LPARAM)65536);
1174
1175 lastwritefile = INVALID_HANDLE_VALUE;
1176 lastwritepath = L"";
1177 lastwriteatt = 0;
1178
1179 while (true) {
1180 btrfs_send_command cmd;
1181 uint8_t* data = nullptr;
1182 ULONG progress;
1183
1184 if (cancelling)
1185 break;
1186
1187 progress = (ULONG)((float)*pos * 65536.0f / (float)size);
1188 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, progress, 0);
1189
1190 if (!ReadFile(f, &cmd, sizeof(btrfs_send_command), nullptr, nullptr)) {
1191 if (GetLastError() != ERROR_HANDLE_EOF)
1192 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1193
1194 break;
1195 }
1196
1197 *pos += sizeof(btrfs_send_command);
1198
1199 if (cmd.length > 0) {
1200 if (*pos + cmd.length > size)
1201 throw string_error(IDS_RECV_FILE_TRUNCATED);
1202
1203 data = (uint8_t*)malloc(cmd.length);
1204 if (!data)
1205 throw string_error(IDS_OUT_OF_MEMORY);
1206 }
1207
1208 try {
1209 if (data) {
1210 if (!ReadFile(f, data, cmd.length, nullptr, nullptr))
1211 throw string_error(IDS_RECV_READFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1212
1213 *pos += cmd.length;
1214 }
1215
1216 if (!check_csum(&cmd, data))
1217 throw string_error(IDS_RECV_CSUM_ERROR);
1218
1219 if (cmd.cmd == BTRFS_SEND_CMD_END) {
1220 ended = true;
1221 break;
1222 }
1223
1224 if (lastwritefile != INVALID_HANDLE_VALUE && cmd.cmd != BTRFS_SEND_CMD_WRITE) {
1225 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
1226 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
1227 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1228 }
1229
1230 CloseHandle(lastwritefile);
1231
1232 lastwritefile = INVALID_HANDLE_VALUE;
1233 lastwritepath = L"";
1234 lastwriteatt = 0;
1235 }
1236
1237 switch (cmd.cmd) {
1238 case BTRFS_SEND_CMD_SUBVOL:
1239 cmd_subvol(hwnd, &cmd, data, parent);
1240 break;
1241
1242 case BTRFS_SEND_CMD_SNAPSHOT:
1243 cmd_snapshot(hwnd, &cmd, data, parent);
1244 break;
1245
1246 case BTRFS_SEND_CMD_MKFILE:
1247 case BTRFS_SEND_CMD_MKDIR:
1248 case BTRFS_SEND_CMD_MKNOD:
1249 case BTRFS_SEND_CMD_MKFIFO:
1250 case BTRFS_SEND_CMD_MKSOCK:
1251 case BTRFS_SEND_CMD_SYMLINK:
1252 cmd_mkfile(hwnd, &cmd, data);
1253 break;
1254
1255 case BTRFS_SEND_CMD_RENAME:
1256 cmd_rename(hwnd, &cmd, data);
1257 break;
1258
1259 case BTRFS_SEND_CMD_LINK:
1260 cmd_link(hwnd, &cmd, data);
1261 break;
1262
1263 case BTRFS_SEND_CMD_UNLINK:
1264 cmd_unlink(hwnd, &cmd, data);
1265 break;
1266
1267 case BTRFS_SEND_CMD_RMDIR:
1268 cmd_rmdir(hwnd, &cmd, data);
1269 break;
1270
1271 case BTRFS_SEND_CMD_SET_XATTR:
1272 cmd_setxattr(hwnd, &cmd, data);
1273 break;
1274
1275 case BTRFS_SEND_CMD_REMOVE_XATTR:
1276 cmd_removexattr(hwnd, &cmd, data);
1277 break;
1278
1279 case BTRFS_SEND_CMD_WRITE:
1280 cmd_write(hwnd, &cmd, data);
1281 break;
1282
1283 case BTRFS_SEND_CMD_CLONE:
1284 cmd_clone(hwnd, &cmd, data);
1285 break;
1286
1287 case BTRFS_SEND_CMD_TRUNCATE:
1288 cmd_truncate(hwnd, &cmd, data);
1289 break;
1290
1291 case BTRFS_SEND_CMD_CHMOD:
1292 cmd_chmod(hwnd, &cmd, data);
1293 break;
1294
1295 case BTRFS_SEND_CMD_CHOWN:
1296 cmd_chown(hwnd, &cmd, data);
1297 break;
1298
1299 case BTRFS_SEND_CMD_UTIMES:
1300 cmd_utimes(hwnd, &cmd, data);
1301 break;
1302
1303 case BTRFS_SEND_CMD_UPDATE_EXTENT:
1304 // does nothing
1305 break;
1306
1307 default:
1308 throw string_error(IDS_RECV_UNKNOWN_COMMAND, cmd.cmd);
1309 }
1310 } catch (...) {
1311 if (data) free(data);
1312 throw;
1313 }
1314
1315 if (data) free(data);
1316 }
1317
1318 if (lastwritefile != INVALID_HANDLE_VALUE) {
1319 if (lastwriteatt & FILE_ATTRIBUTE_READONLY) {
1320 if (!SetFileAttributesW((subvolpath + lastwritepath).c_str(), lastwriteatt))
1321 throw string_error(IDS_RECV_SETFILEATTRIBUTES_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1322 }
1323
1324 CloseHandle(lastwritefile);
1325 }
1326
1327 if (!ended && !cancelling)
1328 throw string_error(IDS_RECV_FILE_TRUNCATED);
1329
1330 if (!cancelling) {
1331 NTSTATUS Status;
1332 IO_STATUS_BLOCK iosb;
1333 btrfs_received_subvol brs;
1334
1335 brs.generation = stransid;
1336 brs.uuid = subvol_uuid;
1337
1338 Status = NtFsControlFile(dir, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RECEIVED_SUBVOL, &brs, sizeof(btrfs_received_subvol),
1339 nullptr, 0);
1340 if (!NT_SUCCESS(Status))
1341 throw string_error(IDS_RECV_RECEIVED_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
1342 }
1343
1344 CloseHandle(dir);
1345
1346 if (master != INVALID_HANDLE_VALUE)
1347 CloseHandle(master);
1348 } catch (...) {
1349 if (subvolpath != L"") {
1350 ULONG attrib;
1351
1352 attrib = GetFileAttributesW(subvolpath.c_str());
1353 attrib &= ~FILE_ATTRIBUTE_READONLY;
1354
1355 if (SetFileAttributesW(subvolpath.c_str(), attrib))
1356 delete_directory(subvolpath);
1357 }
1358
1359 throw;
1360 }
1361}
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:631
BtrfsRecv::cmd_chmod
void cmd_chmod(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:977
BtrfsRecv::cmd_subvol
void cmd_subvol(HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
Definition: recv.cpp:64
BtrfsRecv::cmd_write
void cmd_write(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:713
BtrfsRecv::cmd_rmdir
void cmd_rmdir(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:508
BtrfsRecv::cmd_snapshot
void cmd_snapshot(HWND hwnd, btrfs_send_command *cmd, uint8_t *data, const win_handle &parent)
Definition: recv.cpp:154
BtrfsRecv::cmd_clone
void cmd_clone(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:788
BtrfsRecv::cmd_setxattr
void cmd_setxattr(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:535
BtrfsRecv::cmd_mkfile
void cmd_mkfile(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:277
BtrfsRecv::cmd_link
void cmd_link(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:454
BtrfsRecv::cmd_unlink
void cmd_unlink(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:481
BtrfsRecv::cmd_rename
void cmd_rename(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:427
BtrfsRecv::cmd_truncate
void cmd_truncate(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:923
BtrfsRecv::cmd_chown
void cmd_chown(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1017
BtrfsRecv::cmd_utimes
void cmd_utimes(HWND hwnd, btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1071
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:1114
check_csum
static bool check_csum(btrfs_send_command *cmd, uint8_t *data)
Definition: recv.cpp:1144
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 42 of file recv.cpp.

42 {
43 size_t off = 0;
44
45 while (off < datalen) {
46 btrfs_send_tlv* tlv = (btrfs_send_tlv*)(data + off);
47 uint8_t* payload = data + off + sizeof(btrfs_send_tlv);
48
49 if (off + sizeof(btrfs_send_tlv) + tlv->length > datalen) // file is truncated
50 return false;
51
52 if (tlv->type == type) {
53 *value = payload;
54 *len = tlv->length;
55 return true;
56 }
57
58 off += sizeof(btrfs_send_tlv) + tlv->length;
59 }
60
61 return false;
62}
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 1528 of file recv.cpp.

1528 {
1529 streamfile = file;
1530 dirpath = path;
1531 subvolpath = L"";
1532
1533#if defined(_X86_) || defined(_AMD64_)
1534 check_cpu();
1535#endif
1536
1537 if (quiet)
1538 recv_thread();
1539 else {
1540 if (DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_RECV_PROGRESS), hwnd, stub_RecvProgressDlgProc, (LPARAM)this) <= 0)
1541 throw last_error(GetLastError());
1542 }
1543}
BtrfsRecv::recv_thread
DWORD recv_thread()
Definition: recv.cpp:1390
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:1512
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 1390 of file recv.cpp.

1390 {
1391 LARGE_INTEGER size;
1392 uint64_t pos = 0;
1393 bool b = true;
1394
1395 running = true;
1396
1397 try {
1398 win_handle f = CreateFileW(streamfile.c_str(), GENERIC_READ, 0, nullptr, OPEN_EXISTING, 0, nullptr);
1399 if (f == INVALID_HANDLE_VALUE)
1400 throw string_error(IDS_RECV_CANT_OPEN_FILE, funcname, streamfile.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1401
1402 if (!GetFileSizeEx(f, &size))
1403 throw string_error(IDS_RECV_GETFILESIZEEX_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1404
1405 {
1406 win_handle parent = CreateFileW(dirpath.c_str(), FILE_ADD_SUBDIRECTORY | FILE_ADD_FILE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1407 nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_POSIX_SEMANTICS, nullptr);
1408 if (parent == INVALID_HANDLE_VALUE)
1409 throw string_error(IDS_RECV_CANT_OPEN_PATH, dirpath.c_str(), GetLastError(), format_message(GetLastError()).c_str());
1410
1411 do {
1412 do_recv(f, &pos, size.QuadPart, parent);
1413 } while (pos < (uint64_t)size.QuadPart);
1414 }
1415 } catch (const exception& e) {
1416 auto msg = utf8_to_utf16(e.what());
1417
1418 SetDlgItemTextW(hwnd, IDC_RECV_MSG, msg.c_str());
1419
1420 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETSTATE, PBST_ERROR, 0);
1421
1422 b = false;
1423 }
1424
1425 if (b && hwnd) {
1426 wstring s;
1427
1428 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, 65536, 0);
1429
1430 if (num_received == 1) {
1431 load_string(module, IDS_RECV_SUCCESS, s);
1432 SetDlgItemTextW(hwnd, IDC_RECV_MSG, s.c_str());
1433 } else {
1434 wstring t;
1435
1436 load_string(module, IDS_RECV_SUCCESS_PLURAL, s);
1437
1438 wstring_sprintf(t, s, num_received);
1439
1440 SetDlgItemTextW(hwnd, IDC_RECV_MSG, t.c_str());
1441 }
1442
1443 load_string(module, IDS_RECV_BUTTON_OK, s);
1444
1445 SetDlgItemTextW(hwnd, IDCANCEL, s.c_str());
1446 }
1447
1448 thread = nullptr;
1449 running = false;
1450
1451 return 0;
1452}
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:1157
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:825
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 1460 of file recv.cpp.

1460 {
1461 switch (uMsg) {
1462 case WM_INITDIALOG:
1463 try {
1464 this->hwnd = hwndDlg;
1465 thread = CreateThread(nullptr, 0, global_recv_thread, this, 0, nullptr);
1466
1467 if (!thread)
1468 throw string_error(IDS_RECV_CREATETHREAD_FAILED, GetLastError(), format_message(GetLastError()).c_str());
1469 } catch (const exception& e) {
1470 auto msg = utf8_to_utf16(e.what());
1471
1472 SetDlgItemTextW(hwnd, IDC_RECV_MSG, msg.c_str());
1473
1474 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETSTATE, PBST_ERROR, 0);
1475 }
1476 break;
1477
1478 case WM_COMMAND:
1479 switch (HIWORD(wParam)) {
1480 case BN_CLICKED:
1481 switch (LOWORD(wParam)) {
1482 case IDOK:
1483 case IDCANCEL:
1484 if (running) {
1485 wstring s;
1486
1487 cancelling = true;
1488
1489 if (!load_string(module, IDS_RECV_CANCELLED, s))
1490 throw last_error(GetLastError());
1491
1492 SetDlgItemTextW(hwnd, IDC_RECV_MSG, s.c_str());
1493 SendMessageW(GetDlgItem(hwnd, IDC_RECV_PROGRESS), PBM_SETPOS, 0, 0);
1494
1495 if (!load_string(module, IDS_RECV_BUTTON_OK, s))
1496 throw last_error(GetLastError());
1497
1498 SetDlgItemTextW(hwnd, IDCANCEL, s.c_str());
1499 } else
1500 EndDialog(hwndDlg, 1);
1501
1502 return true;
1503 }
1504 break;
1505 }
1506 break;
1507 }
1508
1509 return false;
1510}
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:1454
HIWORD
#define HIWORD(l)
Definition: typedefs.h:247
WM_COMMAND
#define WM_COMMAND
Definition: winuser.h:1730
WM_INITDIALOG
#define WM_INITDIALOG
Definition: winuser.h:1729
IDOK
#define IDOK
Definition: winuser.h:824
BN_CLICKED
#define BN_CLICKED
Definition: winuser.h:1915
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: