restic/vendor/github.com/pkg/sftp/request-attrs.go

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package sftp
// Methods on the Request object to make working with the Flags bitmasks and
// Attr(ibutes) byte blob easier. Use Pflags() when working with an Open/Write
// request and AttrFlags() and Attributes() when working with SetStat requests.
import "os"
// Open packet pflags
type pflags struct {
Read, Write, Append, Creat, Trunc, Excl bool
}
// testable constructor
func newPflags(flags uint32) pflags {
return pflags{
Read: flags&ssh_FXF_READ != 0,
Write: flags&ssh_FXF_WRITE != 0,
Append: flags&ssh_FXF_APPEND != 0,
Creat: flags&ssh_FXF_CREAT != 0,
Trunc: flags&ssh_FXF_TRUNC != 0,
Excl: flags&ssh_FXF_EXCL != 0,
}
}
// Check bitmap/uint32 for Open packet pflag values
func (r *Request) Pflags() pflags {
return newPflags(r.Flags)
}
// File attribute flags
type aflags struct {
Size, UidGid, Permissions, Acmodtime bool
}
// testable constructor
func newAflags(flags uint32) aflags {
return aflags{
Size: (flags & ssh_FILEXFER_ATTR_SIZE) != 0,
UidGid: (flags & ssh_FILEXFER_ATTR_UIDGID) != 0,
Permissions: (flags & ssh_FILEXFER_ATTR_PERMISSIONS) != 0,
Acmodtime: (flags & ssh_FILEXFER_ATTR_ACMODTIME) != 0,
}
}
// Check bitmap/uint32 for file attribute flags
func (r *Request) AttrFlags(flags uint32) aflags {
return newAflags(r.Flags)
}
// File attributes
type fileattrs FileStat
// Return Mode wrapped in os.FileMode
func (a fileattrs) FileMode() os.FileMode {
return os.FileMode(a.Mode)
}
// Parse file attributes byte blob and return them in object
func (r *Request) Attributes() fileattrs {
fa, _ := getFileStat(r.Flags, r.Attrs)
return fileattrs(*fa)
}