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Differential D31345 Diff 92939 sys/compat/linux/linux_file.c

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sys/compat/linux/linux_file.c

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#include <machine/../linux/linux_proto.h> #include <machine/../linux/linux_proto.h>
#endif #endif
#include <compat/linux/linux_misc.h> #include <compat/linux/linux_misc.h>
#include <compat/linux/linux_util.h> #include <compat/linux/linux_util.h>
#include <compat/linux/linux_file.h> #include <compat/linux/linux_file.h>
static int linux_common_open(struct thread *, int, const char *, int, int, static int linux_common_open(struct thread *, int, const char *, int, int,
enum uio_seg); enum uio_seg);
static int linux_do_accessat(struct thread *t, int, const char *, int, int);
static int linux_getdents_error(struct thread *, int, int); static int linux_getdents_error(struct thread *, int, int);
static struct bsd_to_linux_bitmap seal_bitmap[] = { static struct bsd_to_linux_bitmap seal_bitmap[] = {
BITMAP_1t1_LINUX(F_SEAL_SEAL), BITMAP_1t1_LINUX(F_SEAL_SEAL),
BITMAP_1t1_LINUX(F_SEAL_SHRINK), BITMAP_1t1_LINUX(F_SEAL_SHRINK),
BITMAP_1t1_LINUX(F_SEAL_GROW), BITMAP_1t1_LINUX(F_SEAL_GROW),
BITMAP_1t1_LINUX(F_SEAL_WRITE), BITMAP_1t1_LINUX(F_SEAL_WRITE),
}; };
▲ Show 20 Lines • Show All 589 Lines • ▼ Show 20 Lines error = kern_accessat(td, AT_FDCWD, path, UIO_SYSSPACE, 0,
args->amode); args->amode);
LFREEPATH(path); LFREEPATH(path);
} }
return (error); return (error);
} }
#endif #endif
int static int
linux_faccessat(struct thread *td, struct linux_faccessat_args *args) linux_do_accessat(struct thread *td, int ldfd, const char *filename,
int amode, int flags)
{ {
char *path; char *path;
int error, dfd; int error, dfd;
/* Linux convention. */ /* Linux convention. */
if (args->amode & ~(F_OK | X_OK | W_OK | R_OK)) if (amode & ~(F_OK | X_OK | W_OK | R_OK))
return (EINVAL); return (EINVAL);
dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; dfd = (ldfd == LINUX_AT_FDCWD) ? AT_FDCWD : ldfd;
if (!LUSECONVPATH(td)) { if (!LUSECONVPATH(td)) {
error = kern_accessat(td, dfd, args->filename, UIO_USERSPACE, 0, args->amode); error = kern_accessat(td, dfd, filename, UIO_USERSPACE, flags, amode);
} else { } else {
LCONVPATHEXIST_AT(td, args->filename, &path, dfd); LCONVPATHEXIST_AT(td, filename, &path, dfd);
error = kern_accessat(td, dfd, path, UIO_SYSSPACE, 0, args->amode); error = kern_accessat(td, dfd, path, UIO_SYSSPACE, flags, amode);
LFREEPATH(path); LFREEPATH(path);
} }
return (error); return (error);
} }
int
linux_faccessat(struct thread *td, struct linux_faccessat_args *args)
{
return (linux_do_accessat(td, args->dfd, args->filename, args->amode,
0));
}
int
linux_faccessat2(struct thread *td, struct linux_faccessat2_args *args)
{
int flags, unsupported;
/* XXX. AT_SYMLINK_NOFOLLOW is not supported by kern_accessat */
unsupported = args->flags & ~(LINUX_AT_EACCESS | LINUX_AT_EMPTY_PATH);
if (unsupported != 0) {
linux_msg(td, "faccessat2 unsupported flag 0x%x", unsupported);
traszUnsubmitted
Not Done
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The “fchownat” doesn’t look right.

Also: do you have some software which uses it? If so, it might be useful to note it’s name and version, to make it easier to test it in the future.

trasz: The “fchownat” doesn’t look right. Also: do you have some software which uses it? If so, it…
return (EINVAL);
}
flags = (args->flags & LINUX_AT_EACCESS) == 0 ? 0 :
AT_EACCESS;
flags |= (args->flags & LINUX_AT_EMPTY_PATH) == 0 ? 0 :
AT_EMPTY_PATH;
return (linux_do_accessat(td, args->dfd, args->filename, args->amode,
flags));
}
#ifdef LINUX_LEGACY_SYSCALLS #ifdef LINUX_LEGACY_SYSCALLS
int int
linux_unlink(struct thread *td, struct linux_unlink_args *args) linux_unlink(struct thread *td, struct linux_unlink_args *args)
{ {
char *path; char *path;
int error; int error;
struct stat st; struct stat st;
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