func _main() error {
// tar like
create := flag.Bool("c", false, "create archive") // default *is* true
extract := flag.Bool("x", false, "extract archive")
lst := flag.Bool("t", false, "list archive contents")
verbose := flag.Bool("v", false, "verbose")
compress := flag.Bool("z", false, "enable compression (default false)")
perms := flag.Bool("p", false, "restore ACL")
target := flag.String("f", "-", "archive target is Cloud Drive)")
root := flag.String("C", "", "extract path")
// not tar like
debugLevel := flag.Int("d", 0, "debug level: 0 off, 1 trace, 2 loud")
debugTarget := flag.String("l", "-", "debug target file name, - is stdout")
flag.Parse()
args := flag.Args()
var err error
a := acdb{
permList: list.New(),
target: *target,
verbose: *verbose,
compress: *compress,
perms: *perms,
root: *root,
}
defer func() {
goutil.Zero(a.keys.MD[:])
goutil.Zero(a.keys.Data[:])
goutil.Zero(a.keys.Dedup[:])
}()
// debug target
if *debugTarget == "-" {
a.Debugger, err = debug.NewDebugStdout()
if err != nil {
return err
}
} else {
a.Debugger, err = debug.NewDebugFile(*debugTarget)
if err != nil {
return err
}
}
switch *debugLevel {
case 0:
a.Debugger = debug.NewDebugNil()
case 1:
a.Debugger.Mask(acd.DebugTrace | acd.DebugHTTP | acd.DebugURL |
debugApp)
case 2:
a.Debugger.Mask(acd.DebugTrace | acd.DebugHTTP | acd.DebugURL |
acd.DebugBody | acd.DebugJSON | acd.DebugToken |
acd.DebugLoud | debugApp)
default:
return fmt.Errorf("invalid debug level %v", *debugLevel)
}
//a.Debugger.Mask(acd.DebugTrace | acd.DebugHTTP | acd.DebugURL |
//acd.DebugJSON | debugApp)
a.Log(debugApp, "[APP] start of day")
defer a.Log(debugApp, "[APP] end of times")
// default to create
if *create == false && *extract == false && *lst == false {
*create = true
}
// determine operation
switch {
case *create && !(*extract || *lst):
a.mode = modeCreate
if len(args) == 0 {
fmt.Printf("acdbackup <-c> [-vzf target] filenames...\n")
flag.PrintDefaults()
return nil
}
return a.archive(args)
case *extract && !(*create || *lst):
a.mode = modeExtract
if a.target == "-" {
return fmt.Errorf("must provide archive metadata file")
}
return a.list()
case *lst && !(*create || *extract):
a.mode = modeList
if a.target == "-" {
return fmt.Errorf("must provide archive metadata file")
}
return a.list()
default:
return fmt.Errorf("must specify only -c, -x or -t")
}
return nil
}
func _main() error {
debugLevel := flag.Int("d", 0, "debug level: 0 off, 1 trace, 2 loud")
debugTarget := flag.String("l", "-", "debug target file name, - is stdout")
compress := flag.Bool("c", false, "try to compress (default = false)")
extract := flag.Bool("e", false, "extract files")
flag.Parse()
args := flag.Args()
if len(args) == 0 {
fmt.Printf("sfe [-d][-l target] <filename> ...\n")
flag.PrintDefaults()
return nil
}
var (
err error
)
s := sfe{
compress: *compress,
}
defer func() {
goutil.Zero(s.keys.MD[:])
goutil.Zero(s.keys.Data[:])
goutil.Zero(s.keys.Dedup[:])
}()
// debug target
if *debugTarget == "-" {
s.Debugger, err = debug.NewDebugStdout()
if err != nil {
return err
}
} else {
s.Debugger, err = debug.NewDebugFile(*debugTarget)
if err != nil {
return err
}
}
switch *debugLevel {
case 0:
s.Debugger = debug.NewDebugNil()
case 1:
s.Debugger.Mask(dbgTrace)
case 2:
s.Debugger.Mask(dbgTrace | dbgLoud)
default:
return fmt.Errorf("invalid debug level %v", *debugLevel)
}
keysFilename, err := shared.DefaultKeysFilename()
if err != nil {
return err
}
rootDir := path.Dir(keysFilename)
err = os.MkdirAll(rootDir, 0700)
if err != nil {
return err
}
err = shared.LoadKeys(keysFilename, &s.keys)
if err != nil {
return err
}
for _, v := range args {
if *extract {
s.Log(dbgTrace, "decrypting: %v\n", v)
err = s.decrypt(v)
if err != nil {
fmt.Fprintf(os.Stderr, "could not decrypt: %v\n",
err)
continue
}
} else {
s.Log(dbgTrace, "encrypting: %v\n", v)
err = s.encrypt(v)
if err != nil {
fmt.Fprintf(os.Stderr, "could not encrypt: %v\n",
err)
continue
}
}
}
return nil
}