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authorJakob Unterwurzacher2021-06-26 16:22:37 +0200
committerJakob Unterwurzacher2021-06-26 16:28:30 +0200
commitee59b5269be45154107dc6840c7bf810aed18ae2 (patch)
tree09e9763b687d991634cf107a07bfcd75b70e26e2 /internal/fusefrontend/prepare_syscall_test.go
parentcbd5e8ba01a8d35c6015f32d1e00b598bb097ffa (diff)
fusefrontend: convert openBackingDir tests to prepareAtSyscall
openBackingDir will be removed.
Diffstat (limited to 'internal/fusefrontend/prepare_syscall_test.go')
-rw-r--r--internal/fusefrontend/prepare_syscall_test.go172
1 files changed, 172 insertions, 0 deletions
diff --git a/internal/fusefrontend/prepare_syscall_test.go b/internal/fusefrontend/prepare_syscall_test.go
new file mode 100644
index 0000000..28e655c
--- /dev/null
+++ b/internal/fusefrontend/prepare_syscall_test.go
@@ -0,0 +1,172 @@
+package fusefrontend
+
+import (
+ "strings"
+ "syscall"
+ "testing"
+
+ "golang.org/x/sys/unix"
+
+ "github.com/hanwen/go-fuse/v2/fuse"
+
+ "github.com/rfjakob/gocryptfs/internal/syscallcompat"
+ "github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+func TestPrepareAtSyscall(t *testing.T) {
+ cipherdir := test_helpers.InitFS(t)
+ t.Logf("cipherdir = %q", cipherdir)
+ args := Args{
+ Cipherdir: cipherdir,
+ }
+ rn := newTestFS(args)
+ out := &fuse.EntryOut{}
+
+ child, errno := rn.Mkdir(nil, "dir1", 0700, out)
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ rn.AddChild("dir1", child, false)
+ dir1 := toNode(child.Operations())
+ _, errno = dir1.Mkdir(nil, "dir2", 0700, out)
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+
+ dirfd, cName, errno := rn.prepareAtSyscallMyself()
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName != "." {
+ t.Fatal("cName should be .")
+ }
+ syscall.Close(dirfd)
+
+ // Again, but populate the cache for "" by looking up a non-existing file
+ rn.Lookup(nil, "xyz1234", &fuse.EntryOut{})
+ dirfd, cName, errno = rn.prepareAtSyscallMyself()
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName != "." {
+ t.Fatal("cName should be .")
+ }
+
+ err := syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ err = syscallcompat.Faccessat(dirfd, ".", unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ syscall.Close(dirfd)
+
+ dirfd, cName, errno = rn.prepareAtSyscall("dir1")
+ if err != nil {
+ t.Fatal(err)
+ }
+ if cName == "" {
+ t.Fatal("cName should not be empty")
+ }
+ err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ syscall.Close(dirfd)
+
+ dirfd, cName, errno = dir1.prepareAtSyscall("dir2")
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName == "" {
+ t.Fatal("cName should not be empty")
+ }
+ err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Errorf("Faccessat(%d, %q): %v", dirfd, cName, err)
+ }
+ syscall.Close(dirfd)
+
+ n255 := strings.Repeat("n", 255)
+ dir1.Mkdir(nil, n255, 0700, out)
+ dirfd, cName, errno = dir1.prepareAtSyscall(n255)
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName == "" {
+ t.Fatal("cName should not be empty")
+ }
+ if len(cName) >= 255 {
+ t.Fatalf("cName is too long: %q", cName)
+ }
+ err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Errorf("Faccessat(%d, %q): %v", dirfd, cName, err)
+ }
+ syscall.Close(dirfd)
+}
+
+func TestPrepareAtSyscallPlaintextnames(t *testing.T) {
+ cipherdir := test_helpers.InitFS(t, "-plaintextnames")
+ args := Args{
+ Cipherdir: cipherdir,
+ PlaintextNames: true,
+ }
+ rn := newTestFS(args)
+ out := &fuse.EntryOut{}
+
+ child, errno := rn.Mkdir(nil, "dir1", 0700, out)
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ rn.AddChild("dir1", child, false)
+ dir1 := toNode(child.Operations())
+ _, errno = dir1.Mkdir(nil, "dir2", 0700, out)
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+
+ dirfd, cName, errno := rn.prepareAtSyscallMyself()
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName != "." {
+ t.Fatal("cName should be .")
+ }
+ err := syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ err = syscallcompat.Faccessat(dirfd, ".", unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ syscall.Close(dirfd)
+
+ dirfd, cName, errno = rn.prepareAtSyscall("dir1")
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName != "dir1" {
+ t.Fatalf("wrong cName: %q", cName)
+ }
+ err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ syscall.Close(dirfd)
+
+ dirfd, cName, errno = dir1.prepareAtSyscall("dir2")
+ if errno != 0 {
+ t.Fatal(errno)
+ }
+ if cName != "dir2" {
+ t.Fatalf("wrong cName: %q", cName)
+ }
+ err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
+ if err != nil {
+ t.Error(err)
+ }
+ syscall.Close(dirfd)
+}