| package sftp |
| |
| import ( |
| "os" |
| |
| sshfx "github.com/pkg/sftp/internal/encoding/ssh/filexfer" |
| ) |
| |
| // isRegular returns true if the mode describes a regular file. |
| func isRegular(mode uint32) bool { |
| return sshfx.FileMode(mode)&sshfx.ModeType == sshfx.ModeRegular |
| } |
| |
| // toFileMode converts sftp filemode bits to the os.FileMode specification |
| func toFileMode(mode uint32) os.FileMode { |
| var fm = os.FileMode(mode & 0777) |
| |
| switch sshfx.FileMode(mode) & sshfx.ModeType { |
| case sshfx.ModeDevice: |
| fm |= os.ModeDevice |
| case sshfx.ModeCharDevice: |
| fm |= os.ModeDevice | os.ModeCharDevice |
| case sshfx.ModeDir: |
| fm |= os.ModeDir |
| case sshfx.ModeNamedPipe: |
| fm |= os.ModeNamedPipe |
| case sshfx.ModeSymlink: |
| fm |= os.ModeSymlink |
| case sshfx.ModeRegular: |
| // nothing to do |
| case sshfx.ModeSocket: |
| fm |= os.ModeSocket |
| } |
| |
| if sshfx.FileMode(mode)&sshfx.ModeSetUID != 0 { |
| fm |= os.ModeSetuid |
| } |
| if sshfx.FileMode(mode)&sshfx.ModeSetGID != 0 { |
| fm |= os.ModeSetgid |
| } |
| if sshfx.FileMode(mode)&sshfx.ModeSticky != 0 { |
| fm |= os.ModeSticky |
| } |
| |
| return fm |
| } |
| |
| // fromFileMode converts from the os.FileMode specification to sftp filemode bits |
| func fromFileMode(mode os.FileMode) uint32 { |
| ret := sshfx.FileMode(mode & os.ModePerm) |
| |
| switch mode & os.ModeType { |
| case os.ModeDevice | os.ModeCharDevice: |
| ret |= sshfx.ModeCharDevice |
| case os.ModeDevice: |
| ret |= sshfx.ModeDevice |
| case os.ModeDir: |
| ret |= sshfx.ModeDir |
| case os.ModeNamedPipe: |
| ret |= sshfx.ModeNamedPipe |
| case os.ModeSymlink: |
| ret |= sshfx.ModeSymlink |
| case 0: |
| ret |= sshfx.ModeRegular |
| case os.ModeSocket: |
| ret |= sshfx.ModeSocket |
| } |
| |
| if mode&os.ModeSetuid != 0 { |
| ret |= sshfx.ModeSetUID |
| } |
| if mode&os.ModeSetgid != 0 { |
| ret |= sshfx.ModeSetGID |
| } |
| if mode&os.ModeSticky != 0 { |
| ret |= sshfx.ModeSticky |
| } |
| |
| return uint32(ret) |
| } |
| |
| const ( |
| s_ISUID = uint32(sshfx.ModeSetUID) |
| s_ISGID = uint32(sshfx.ModeSetGID) |
| s_ISVTX = uint32(sshfx.ModeSticky) |
| ) |
| |
| // S_IFMT is a legacy export, and was brought in to support GOOS environments whose sysconfig.S_IFMT may be different from the value used internally by SFTP standards. |
| // There should be no reason why you need to import it, or use it, but unexporting it could cause code to break in a way that cannot be readily fixed. |
| // As such, we continue to export this value as the value used in the SFTP standard. |
| // |
| // Deprecated: Remove use of this value, and avoid any future use as well. |
| // There is no alternative provided, you should never need to access this value. |
| const S_IFMT = uint32(sshfx.ModeType) |