diff options
Diffstat (limited to 'pkg/sentry/fs/host')
| -rw-r--r-- | pkg/sentry/fs/host/BUILD | 1 | ||||
| -rw-r--r-- | pkg/sentry/fs/host/file.go | 19 | ||||
| -rw-r--r-- | pkg/sentry/fs/host/ioctl_unsafe.go | 19 |
3 files changed, 27 insertions, 12 deletions
diff --git a/pkg/sentry/fs/host/BUILD b/pkg/sentry/fs/host/BUILD index 29c79284a..f1252b0f2 100644 --- a/pkg/sentry/fs/host/BUILD +++ b/pkg/sentry/fs/host/BUILD @@ -48,7 +48,6 @@ go_library( "//pkg/unet", "//pkg/waiter", "//pkg/waiter/fdnotifier", - "@org_golang_x_sys//unix:go_default_library", ], ) diff --git a/pkg/sentry/fs/host/file.go b/pkg/sentry/fs/host/file.go index f9bef6d93..8d2463c78 100644 --- a/pkg/sentry/fs/host/file.go +++ b/pkg/sentry/fs/host/file.go @@ -18,7 +18,6 @@ import ( "fmt" "syscall" - "golang.org/x/sys/unix" "gvisor.googlesource.com/gvisor/pkg/abi/linux" "gvisor.googlesource.com/gvisor/pkg/fd" "gvisor.googlesource.com/gvisor/pkg/log" @@ -296,7 +295,7 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys fd := f.iops.fileState.FD() ioctl := args[1].Uint64() switch ioctl { - case unix.TCGETS: + case linux.TCGETS: termios, err := ioctlGetTermios(fd) if err != nil { return 0, err @@ -306,7 +305,7 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys }) return 0, err - case unix.TCSETS, unix.TCSETSW: + case linux.TCSETS, linux.TCSETSW: var termios linux.Termios if _, err := usermem.CopyObjectIn(ctx, io, args[2].Pointer(), &termios, usermem.IOOpts{ AddressSpaceActive: true, @@ -316,7 +315,7 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys err := ioctlSetTermios(fd, ioctl, &termios) return 0, err - case unix.TIOCGPGRP: + case linux.TIOCGPGRP: // Args: pid_t *argp // When successful, equivalent to *argp = tcgetpgrp(fd). // Get the process group ID of the foreground process group on @@ -332,7 +331,7 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys }) return 0, err - case unix.TIOCSPGRP: + case linux.TIOCSPGRP: // Args: const pid_t *argp // Equivalent to tcsetpgrp(fd, *argp). // Set the foreground process group ID of this terminal. @@ -343,10 +342,10 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys log.Warningf("Ignoring application ioctl(TIOCSPGRP) call") return 0, nil - case unix.TIOCGWINSZ: + case linux.TIOCGWINSZ: // Args: struct winsize *argp // Get window size. - winsize, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) + winsize, err := ioctlGetWinsize(fd) if err != nil { return 0, err } @@ -355,16 +354,16 @@ func (f *fileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.Sys }) return 0, err - case unix.TIOCSWINSZ: + case linux.TIOCSWINSZ: // Args: const struct winsize *argp // Set window size. - var winsize unix.Winsize + var winsize linux.Winsize if _, err := usermem.CopyObjectIn(ctx, io, args[2].Pointer(), &winsize, usermem.IOOpts{ AddressSpaceActive: true, }); err != nil { return 0, err } - err := unix.IoctlSetWinsize(fd, unix.TIOCSWINSZ, &winsize) + err := ioctlSetWinsize(fd, &winsize) return 0, err default: diff --git a/pkg/sentry/fs/host/ioctl_unsafe.go b/pkg/sentry/fs/host/ioctl_unsafe.go index 3c07c3850..bc965a1c2 100644 --- a/pkg/sentry/fs/host/ioctl_unsafe.go +++ b/pkg/sentry/fs/host/ioctl_unsafe.go @@ -23,7 +23,7 @@ import ( func ioctlGetTermios(fd int) (*linux.Termios, error) { var t linux.Termios - _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TCGETS, uintptr(unsafe.Pointer(&t))) + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TCGETS, uintptr(unsafe.Pointer(&t))) if errno != 0 { return nil, errno } @@ -37,3 +37,20 @@ func ioctlSetTermios(fd int, req uint64, t *linux.Termios) error { } return nil } + +func ioctlGetWinsize(fd int) (*linux.Winsize, error) { + var w linux.Winsize + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TIOCGWINSZ, uintptr(unsafe.Pointer(&w))) + if errno != 0 { + return nil, errno + } + return &w, nil +} + +func ioctlSetWinsize(fd int, w *linux.Winsize) error { + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TIOCSWINSZ, uintptr(unsafe.Pointer(w))) + if errno != 0 { + return errno + } + return nil +} |