diff options
Diffstat (limited to 'sys/compat/linux/linux_stats.c')
| -rw-r--r-- | sys/compat/linux/linux_stats.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c index 374ce39..670ef22 100644 --- a/sys/compat/linux/linux_stats.c +++ b/sys/compat/linux/linux_stats.c @@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$"); #endif #include <compat/linux/linux_util.h> +#include <compat/linux/linux_file.h> #include <security/mac/mac_framework.h> @@ -114,9 +115,10 @@ translate_fd_major_minor(struct thread *td, int fd, struct stat *buf) } static void -translate_path_major_minor(struct thread *td, char *path, struct stat *buf) +translate_path_major_minor_at(struct thread *td, char *path, + struct stat *buf, int dfd) { - struct proc *p = td->td_proc; + struct proc *p = td->td_proc; struct filedesc *fdp = p->p_fd; int fd; int temp; @@ -124,7 +126,7 @@ translate_path_major_minor(struct thread *td, char *path, struct stat *buf) if (!S_ISCHR(buf->st_mode) && !S_ISBLK(buf->st_mode)) return; temp = td->td_retval[0]; - if (kern_open(td, path, UIO_SYSSPACE, O_RDONLY, 0) != 0) + if (kern_openat(td, dfd, path, UIO_SYSSPACE, O_RDONLY, 0) != 0) return; fd = td->td_retval[0]; td->td_retval[0] = temp; @@ -132,6 +134,12 @@ translate_path_major_minor(struct thread *td, char *path, struct stat *buf) fdclose(fdp, fdp->fd_ofiles[fd], fd, td); } +static inline void +translate_path_major_minor(struct thread *td, char *path, struct stat *buf) +{ + translate_path_major_minor_at(td, path, buf, AT_FDCWD); +} + static int newstat_copyout(struct stat *buf, void *ubuf) { @@ -581,4 +589,33 @@ linux_fstat64(struct thread *td, struct linux_fstat64_args *args) return (error); } +int +linux_fstatat64(struct thread *td, struct linux_fstatat64_args *args) +{ + char *path; + int error, dfd, flag; + struct stat buf; + + if (args->flag & ~LINUX_AT_SYMLINK_NOFOLLOW) + return (EINVAL); + flag = (args->flag & LINUX_AT_SYMLINK_NOFOLLOW) ? + AT_SYMLINK_NOFOLLOW : 0; + + dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; + LCONVPATHEXIST_AT(td, args->pathname, &path, dfd); + +#ifdef DEBUG + if (ldebug(fstatat64)) + printf(ARGS(fstatat64, "%i, %s, %i"), args->dfd, path, args->flag); +#endif + + error = kern_statat(td, flag, dfd, path, UIO_SYSSPACE, &buf); + translate_path_major_minor_at(td, args->pathname, &buf, dfd); + if (!error) + error = stat64_copyout(&buf, args->statbuf); + LFREEPATH(path); + + return (error); +} + #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ |
