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authorJakob Unterwurzacher2016-06-15 23:17:51 +0200
committerJakob Unterwurzacher2016-06-15 23:17:51 +0200
commit09e88f31d1b4308bf82c7f4eb0dd83855ad67ffc (patch)
treee91a7ea9669fae9c633671ca5ca722fb97f2c254 /main.go
parentc89455063cfd9c531c0a671251ccfcd46f09403d (diff)
toggledlog: assume command of color handling
We want to use colored error messages also outside of main, so let's handle it in the logging package. The fatal logger now automatically prints red.
Diffstat (limited to 'main.go')
-rw-r--r--main.go48
1 files changed, 16 insertions, 32 deletions
diff --git a/main.go b/main.go
index 61b56e6..6c40253 100644
--- a/main.go
+++ b/main.go
@@ -16,8 +16,6 @@ import (
"syscall"
"time"
- "golang.org/x/crypto/ssh/terminal"
-
"github.com/hanwen/go-fuse/fuse"
"github.com/hanwen/go-fuse/fuse/nodefs"
"github.com/hanwen/go-fuse/fuse/pathfs"
@@ -61,7 +59,7 @@ var GitVersionFuse = "[version not set - please compile using ./build.bash]"
func initDir(args *argContainer) {
err := checkDirEmpty(args.cipherdir)
if err != nil {
- toggledlog.Fatal.Printf("Invalid cipherdir: %v\n", err)
+ toggledlog.Fatal.Printf("Invalid cipherdir: %v", err)
os.Exit(ERREXIT_INIT)
}
@@ -88,7 +86,7 @@ func initDir(args *argContainer) {
}
}
- toggledlog.Info.Printf(colorGreen + "The filesystem has been created successfully." + colorReset)
+ toggledlog.Info.Printf(toggledlog.ColorGreen + "The filesystem has been created successfully." + toggledlog.ColorReset)
wd, _ := os.Getwd()
friendlyPath, _ := filepath.Rel(wd, args.cipherdir)
if strings.HasPrefix(friendlyPath, "../") {
@@ -96,7 +94,7 @@ func initDir(args *argContainer) {
// keep the absolute path.
friendlyPath = args.cipherdir
}
- toggledlog.Info.Printf(colorGrey+"You can now mount it using: %s %s MOUNTPOINT"+colorReset,
+ toggledlog.Info.Printf(toggledlog.ColorGrey+"You can now mount it using: %s %s MOUNTPOINT"+toggledlog.ColorReset,
toggledlog.ProgramName, friendlyPath)
os.Exit(0)
}
@@ -118,14 +116,14 @@ func loadConfig(args *argContainer) (masterkey []byte, confFile *configfile.Conf
// Check if the file exists at all before prompting for a password
_, err := os.Stat(args.config)
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Config file not found: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Config file not found: %v", err)
os.Exit(ERREXIT_LOADCONF)
}
pw := readpassword.Once(args.extpass)
toggledlog.Info.Println("Decrypting master key")
masterkey, confFile, err = configfile.LoadConfFile(args.config, pw)
if err != nil {
- toggledlog.Fatal.Println(colorRed + err.Error() + colorReset)
+ toggledlog.Fatal.Println(err.Error())
os.Exit(ERREXIT_LOADCONF)
}
@@ -158,7 +156,6 @@ func main() {
runtime.GOMAXPROCS(4)
var err error
var args argContainer
- setupColors()
// Parse command line arguments
var opensslAuto string
@@ -202,7 +199,7 @@ func main() {
} else {
args.openssl, err = strconv.ParseBool(opensslAuto)
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Invalid \"-openssl\" setting: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Invalid \"-openssl\" setting: %v", err)
os.Exit(ERREXIT_USAGE)
}
}
@@ -229,7 +226,7 @@ func main() {
args.cipherdir, _ = filepath.Abs(flagSet.Arg(0))
err = checkDir(args.cipherdir)
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Invalid cipherdir: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Invalid cipherdir: %v", err)
os.Exit(ERREXIT_CIPHERDIR)
}
} else {
@@ -244,7 +241,7 @@ func main() {
if args.config != "" {
args.config, err = filepath.Abs(args.config)
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Invalid \"-config\" setting: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Invalid \"-config\" setting: %v", err)
os.Exit(ERREXIT_INIT)
}
toggledlog.Info.Printf("Using config file at custom location %s", args.config)
@@ -291,7 +288,7 @@ func main() {
// "-init"
if args.init {
if flagSet.NArg() > 1 {
- toggledlog.Fatal.Printf("Usage: %s -init [OPTIONS] CIPHERDIR\n", toggledlog.ProgramName)
+ toggledlog.Fatal.Printf("Usage: %s -init [OPTIONS] CIPHERDIR", toggledlog.ProgramName)
os.Exit(ERREXIT_USAGE)
}
initDir(&args) // does not return
@@ -299,7 +296,7 @@ func main() {
// "-passwd"
if args.passwd {
if flagSet.NArg() > 1 {
- toggledlog.Fatal.Printf("Usage: %s -passwd [OPTIONS] CIPHERDIR\n", toggledlog.ProgramName)
+ toggledlog.Fatal.Printf("Usage: %s -passwd [OPTIONS] CIPHERDIR", toggledlog.ProgramName)
os.Exit(ERREXIT_USAGE)
}
changePassword(&args) // does not return
@@ -307,17 +304,17 @@ func main() {
// Mount
// Check mountpoint
if flagSet.NArg() != 2 {
- toggledlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT\n", toggledlog.ProgramName)
+ toggledlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT", toggledlog.ProgramName)
os.Exit(ERREXIT_USAGE)
}
args.mountpoint, err = filepath.Abs(flagSet.Arg(1))
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Invalid mountpoint: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Invalid mountpoint: %v", err)
os.Exit(ERREXIT_MOUNTPOINT)
}
err = checkDirEmpty(args.mountpoint)
if err != nil {
- toggledlog.Fatal.Printf(colorRed+"Invalid mountpoint: %v\n"+colorReset, err)
+ toggledlog.Fatal.Printf("Invalid mountpoint: %v", err)
os.Exit(ERREXIT_MOUNTPOINT)
}
// Get master key
@@ -341,7 +338,7 @@ func main() {
// Initialize FUSE server
toggledlog.Debug.Printf("cli args: %v", args)
srv := initFuseFrontend(masterkey, args, confFile)
- toggledlog.Info.Println(colorGreen + "Filesystem mounted and ready." + colorReset)
+ toggledlog.Info.Println(toggledlog.ColorGreen + "Filesystem mounted and ready." + toggledlog.ColorReset)
// We are ready - send USR1 signal to our parent and switch to syslog
if args.notifypid > 0 {
sendUsr1(args.notifypid)
@@ -410,8 +407,8 @@ func initFuseFrontend(key []byte, args argContainer, confFile *configfile.ConfFi
var mOpts fuse.MountOptions
mOpts.AllowOther = false
if args.allow_other {
- toggledlog.Info.Printf(colorYellow + "The option \"-allow_other\" is set. Make sure the file " +
- "permissions protect your data from unwanted access." + colorReset)
+ toggledlog.Info.Printf(toggledlog.ColorYellow + "The option \"-allow_other\" is set. Make sure the file " +
+ "permissions protect your data from unwanted access." + toggledlog.ColorReset)
mOpts.AllowOther = true
// Make the kernel check the file permissions for us
mOpts.Options = append(mOpts.Options, "default_permissions")
@@ -455,16 +452,3 @@ func handleSigint(srv *fuse.Server, mountpoint string) {
os.Exit(1)
}()
}
-
-// Escape sequences for terminal colors
-var colorReset, colorGrey, colorRed, colorGreen, colorYellow string
-
-func setupColors() {
- if terminal.IsTerminal(int(os.Stdout.Fd())) {
- colorReset = "\033[0m"
- colorGrey = "\033[2m"
- colorRed = "\033[31m"
- colorGreen = "\033[32m"
- colorYellow = "\033[33m"
- }
-}