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authorJakob Unterwurzacher2018-04-01 14:25:10 +0200
committerJakob Unterwurzacher2018-04-01 14:25:10 +0200
commit8fcd39a3b08f956edc0939c87b089b4dbb60afd6 (patch)
tree5c248ef6d83c19e6b70c53e34c049ac7182a6807
parent85056def909c994b66c40763f6d6c2d41c7a61d0 (diff)
main: add "-fsck" flag
The fsck operation is not yet implemented, this commits just adds the flag and improves cli flag handling.
-rw-r--r--cli_args.go21
-rw-r--r--fsck.go9
-rw-r--r--main.go47
-rw-r--r--tests/cli/cli_test.go41
4 files changed, 91 insertions, 27 deletions
diff --git a/cli_args.go b/cli_args.go
index 7bde89d..2f0c936 100644
--- a/cli_args.go
+++ b/cli_args.go
@@ -22,7 +22,7 @@ type argContainer struct {
plaintextnames, quiet, nosyslog, wpanic,
longnames, allow_other, ro, reverse, aessiv, nonempty, raw64,
noprealloc, speed, hkdf, serialize_reads, forcedecode, hh, info,
- sharedstorage, devrandom bool
+ sharedstorage, devrandom, fsck bool
masterkey, mountpoint, cipherdir, cpuprofile, extpass,
memprofile, ko, passfile, ctlsock, fsname, force_owner, trace string
// Configuration file name override
@@ -133,6 +133,7 @@ func parseCliOpts() (args argContainer) {
flagSet.BoolVar(&args.info, "info", false, "Display information about CIPHERDIR")
flagSet.BoolVar(&args.sharedstorage, "sharedstorage", false, "Make concurrent access to a shared CIPHERDIR safer")
flagSet.BoolVar(&args.devrandom, "devrandom", false, "Use /dev/random for generating master key")
+ flagSet.BoolVar(&args.fsck, "fsck", false, "Run a filesystem check on CIPHERDIR")
flagSet.StringVar(&args.masterkey, "masterkey", "", "Mount with explicit master key")
flagSet.StringVar(&args.cpuprofile, "cpuprofile", "", "Write cpu profile to specified file")
flagSet.StringVar(&args.memprofile, "memprofile", "", "Write memory profile to specified file")
@@ -220,3 +221,21 @@ func prettyArgs() string {
pa = pa[1 : len(pa)-1]
return pa
}
+
+// countOpFlags counts the number of operation flags we were passed.
+func countOpFlags(args *argContainer) int {
+ var count int
+ if args.info {
+ count++
+ }
+ if args.passwd {
+ count++
+ }
+ if args.init {
+ count++
+ }
+ if args.fsck {
+ count++
+ }
+ return count
+}
diff --git a/fsck.go b/fsck.go
new file mode 100644
index 0000000..645cf91
--- /dev/null
+++ b/fsck.go
@@ -0,0 +1,9 @@
+package main
+
+import (
+ "log"
+)
+
+func fsck(args *argContainer) {
+ log.Panic("Not yet implemented")
+}
diff --git a/main.go b/main.go
index ea5efb3..ff137c4 100644
--- a/main.go
+++ b/main.go
@@ -246,45 +246,46 @@ func main() {
tlog.Debug.Printf("OpenSSL enabled")
}
// Operation flags
- if args.info && args.init || args.info && args.passwd || args.passwd && args.init {
- tlog.Fatal.Printf("At most one of -info, -init, -passwd is allowed")
+ nOps := countOpFlags(&args)
+ if nOps == 0 {
+ // Default operation: mount.
+ if flagSet.NArg() != 2 {
+ prettyArgs := prettyArgs()
+ tlog.Info.Printf("Wrong number of arguments (have %d, want 2). You passed: %s",
+ flagSet.NArg(), prettyArgs)
+ tlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT [-o COMMA-SEPARATED-OPTIONS]", tlog.ProgramName)
+ os.Exit(exitcodes.Usage)
+ }
+ doMount(&args)
+ // Don't call os.Exit to give deferred functions a chance to run
+ return
+ }
+ if nOps > 1 {
+ tlog.Fatal.Printf("At most one of -info, -init, -passwd, -fsck is allowed")
+ os.Exit(exitcodes.Usage)
+ }
+ if flagSet.NArg() != 1 {
+ tlog.Fatal.Printf("The options -info, -init, -passwd, -fsck take exactly one argument, %d given",
+ flagSet.NArg())
os.Exit(exitcodes.Usage)
}
// "-info"
if args.info {
- if flagSet.NArg() > 1 {
- tlog.Fatal.Printf("Usage: %s -info CIPHERDIR", tlog.ProgramName)
- os.Exit(exitcodes.Usage)
- }
info(args.config)
os.Exit(0)
}
// "-init"
if args.init {
- if flagSet.NArg() > 1 {
- tlog.Fatal.Printf("Usage: %s -init [OPTIONS] CIPHERDIR", tlog.ProgramName)
- os.Exit(exitcodes.Usage)
- }
initDir(&args)
os.Exit(0)
}
// "-passwd"
if args.passwd {
- if flagSet.NArg() > 1 {
- tlog.Fatal.Printf("Usage: %s -passwd [OPTIONS] CIPHERDIR", tlog.ProgramName)
- os.Exit(exitcodes.Usage)
- }
changePassword(&args)
os.Exit(0)
}
- // Default operation: mount.
- if flagSet.NArg() != 2 {
- prettyArgs := prettyArgs()
- tlog.Info.Printf("Wrong number of arguments (have %d, want 2). You passed: %s",
- flagSet.NArg(), prettyArgs)
- tlog.Fatal.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT [-o COMMA-SEPARATED-OPTIONS]", tlog.ProgramName)
- os.Exit(exitcodes.Usage)
+ // "-fsck"
+ if args.fsck {
+ fsck(&args)
}
- doMount(&args)
- // Don't call os.Exit to give deferred functions a chance to run
}
diff --git a/tests/cli/cli_test.go b/tests/cli/cli_test.go
index 9eebc5f..2cdaf37 100644
--- a/tests/cli/cli_test.go
+++ b/tests/cli/cli_test.go
@@ -18,6 +18,18 @@ import (
var testPw = []byte("test")
+// Extract the exit code from an error value that was returned from
+// exec.Run()
+func extractExitCode(err error) int {
+ if err == nil {
+ return 0
+ }
+ // OMG this is convoluted
+ err2 := err.(*exec.ExitError)
+ code := err2.Sys().(syscall.WaitStatus).ExitStatus()
+ return code
+}
+
func TestMain(m *testing.M) {
test_helpers.ResetTmpDir(false)
r := m.Run()
@@ -332,8 +344,7 @@ func TestMountPasswordIncorrect(t *testing.T) {
cDir := test_helpers.InitFS(t) // Create filesystem with password "test"
pDir := cDir + ".mnt"
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo WRONG", "-wpanic=false")
- // vvvvvvvvvvvvvv OMG vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
- exitCode := err.(*exec.ExitError).Sys().(syscall.WaitStatus).ExitStatus()
+ exitCode := extractExitCode(err)
if exitCode != exitcodes.PasswordIncorrect {
t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)
}
@@ -362,7 +373,7 @@ func TestPasswdPasswordIncorrect(t *testing.T) {
t.Fatal(err)
}
err = cmd.Wait()
- exitCode := err.(*exec.ExitError).Sys().(syscall.WaitStatus).ExitStatus()
+ exitCode := extractExitCode(err)
if exitCode != exitcodes.PasswordIncorrect {
t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)
}
@@ -417,3 +428,27 @@ func TestMountBackground(t *testing.T) {
t.Fatal("timeout")
}
}
+
+// Test that "gocryptfs -init -info CIPHERDIR" returns an error to the
+// user. Only one operation flag is allowed.
+func TestMultipleOperationFlags(t *testing.T) {
+ // Test all combinations
+ opFlags := []string{"-init", "-info", "-passwd", "-fsck"}
+ for _, flag1 := range opFlags {
+ var flag2 string
+ for _, flag2 = range opFlags {
+ if flag1 == flag2 {
+ continue
+ }
+ args := []string{flag1, flag2, "/tmp"}
+ //t.Logf("testing %v", args)
+ cmd := exec.Command(test_helpers.GocryptfsBinary, args...)
+ err := cmd.Run()
+ exitCode := extractExitCode(err)
+ if exitCode != exitcodes.Usage {
+ t.Fatalf("this should have failed with code %d, but returned %d",
+ exitcodes.Usage, exitCode)
+ }
+ }
+ }
+}