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Support backup of sockets

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This only works on Linux. Darwin does not allow mknod of a socket.
Have not tested BSD.
This commit is contained in:
John K. Luebs
2023-10-04 02:12:17 -05:00
committed by John K. Luebs
parent 73ca9794ab
commit 28efe91c3f
4 changed files with 33 additions and 19 deletions
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5
src/duplicacy_entry.go
View File

@@ -516,7 +516,7 @@ func (entry *Entry) IsLink() bool {
}
func (entry *Entry) IsSpecial() bool {
return entry.Mode&uint32(os.ModeNamedPipe|os.ModeDevice|os.ModeCharDevice) != 0
return entry.Mode&uint32(os.ModeNamedPipe|os.ModeDevice|os.ModeCharDevice|os.ModeSocket) != 0
}
func (entry *Entry) IsFileOrSpecial() bool {
@@ -807,9 +807,6 @@ func ListEntries(top string, path string, patterns []string, nobackupFile string
if f.Name() == DUPLICACY_DIRECTORY {
continue
}
if f.Mode()&os.ModeSocket != 0 {
continue
}
entry := CreateEntryFromFileInfo(f, normalizedPath)
if len(patterns) > 0 && !MatchPath(entry.Path, patterns) {

15
src/duplicacy_utils_bsd_common.go
View File

@@ -92,3 +92,18 @@ func (entry *Entry) RestoreEarlyDirFlags(path string) error {
func (entry *Entry) RestoreEarlyFileFlags(f *os.File) error {
return nil
}
func (entry *Entry) RestoreSpecial(fullPath string) error {
mode := entry.Mode & uint32(fileModeMask)
if entry.Mode&uint32(os.ModeNamedPipe) != 0 {
mode |= syscall.S_IFIFO
} else if entry.Mode&uint32(os.ModeCharDevice) != 0 {
mode |= syscall.S_IFCHR
} else if entry.Mode&uint32(os.ModeDevice) != 0 {
mode |= syscall.S_IFBLK
} else {
return nil
}
return syscall.Mknod(fullPath, mode, int(entry.GetRdev()))
}

17
src/duplicacy_utils_linux.go
View File

@@ -219,6 +219,23 @@ func (entry *Entry) restoreLateFileFlags(f *os.File) error {
return nil
}
func (entry *Entry) RestoreSpecial(fullPath string) error {
mode := entry.Mode & uint32(fileModeMask)
if entry.Mode&uint32(os.ModeNamedPipe) != 0 {
mode |= syscall.S_IFIFO
} else if entry.Mode&uint32(os.ModeCharDevice) != 0 {
mode |= syscall.S_IFCHR
} else if entry.Mode&uint32(os.ModeDevice) != 0 {
mode |= syscall.S_IFBLK
} else if entry.Mode&uint32(os.ModeSocket) != 0 {
mode |= syscall.S_IFSOCK
} else {
return nil
}
return syscall.Mknod(fullPath, mode, int(entry.GetRdev()))
}
func excludedByAttribute(attributes map[string][]byte) bool {
_, ok := attributes["user.duplicacy_exclude"]
return ok

15
src/duplicacy_utils_others.go
View File

@@ -65,21 +65,6 @@ func (entry *Entry) GetRdev() uint64 {
return uint64(entry.StartChunk) | uint64(entry.StartOffset)<<32
}
func (entry *Entry) RestoreSpecial(fullPath string) error {
mode := entry.Mode & uint32(fileModeMask)
if entry.Mode&uint32(os.ModeNamedPipe) != 0 {
mode |= syscall.S_IFIFO
} else if entry.Mode&uint32(os.ModeCharDevice) != 0 {
mode |= syscall.S_IFCHR
} else if entry.Mode&uint32(os.ModeDevice) != 0 {
mode |= syscall.S_IFBLK
} else {
return nil
}
return syscall.Mknod(fullPath, mode, int(entry.GetRdev()))
}
func (entry *Entry) IsSameSpecial(fileInfo os.FileInfo) bool {
stat := fileInfo.Sys().(*syscall.Stat_t)
if stat == nil {