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X-Received-From: 2607:f8b0:400d:c09::232 Subject: [Qemu-devel] [PATCH 10/13] 9p: darwin: *xattr_nofollow implementations X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keno Fischer , Keno Fischer , groug@kaod.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Keno Fischer Signed-off-by: Keno Fischer --- hw/9pfs/9p-util.c | 49 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 45 insertions(+), 4 deletions(-) diff --git a/hw/9pfs/9p-util.c b/hw/9pfs/9p-util.c index 8cf5554..98004ac 100644 --- a/hw/9pfs/9p-util.c +++ b/hw/9pfs/9p-util.c @@ -17,49 +17,90 @@ ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *= name, void *value, size_t size) { - char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); int ret; +#ifdef CONFIG_DARWIN + int fd =3D openat_file(dirfd, filename, O_RDONLY | O_PATH_9P_UTIL | O_= NOFOLLOW, 0); + if (fd =3D=3D -1) + return -1; + + ret =3D fgetxattr(fd, name, value, size, 0, XATTR_NOFOLLOW); + close_preserve_errno(fd); +#else + char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); =20 ret =3D lgetxattr(proc_path, name, value, size); g_free(proc_path); +#endif return ret; } =20 ssize_t fgetxattr_follow(int fd, const char *name, void *value, size_t size) { +#ifdef CONFIG_DARWIN + return fgetxattr(fd, name, value, size, 0, 0); +#else return fgetxattr(fd, name, value, size); +#endif } =20 ssize_t flistxattrat_nofollow(int dirfd, const char *filename, char *list, size_t size) { - char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); int ret; +#ifdef CONFIG_DARWIN + int fd =3D openat_file(dirfd, filename, O_RDONLY | O_PATH_9P_UTIL | O_= NOFOLLOW, 0); + if (fd =3D=3D -1) + return -1; + + ret =3D flistxattr(fd, list, size, XATTR_NOFOLLOW); + close_preserve_errno(fd); +#else + char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); =20 ret =3D llistxattr(proc_path, list, size); g_free(proc_path); +#endif return ret; } =20 ssize_t fremovexattrat_nofollow(int dirfd, const char *filename, const char *name) { - char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); int ret; +#ifdef CONFIG_DARWIN + int fd =3D openat_file(dirfd, filename, O_PATH_9P_UTIL | O_NOFOLLOW, 0= ); + if (fd =3D=3D -1) + return -1; + + ret =3D fremovexattr(fd, name, XATTR_NOFOLLOW); + close_preserve_errno(fd); + return ret; +#else + char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); =20 ret =3D lremovexattr(proc_path, name); g_free(proc_path); return ret; +#endif } =20 int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name, void *value, size_t size, int flags) { - char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); int ret; +#ifdef CONFIG_DARWIN + int fd =3D openat_file(dirfd, filename, O_PATH_9P_UTIL | O_NOFOLLOW, 0= ); + if (fd =3D=3D -1) + return -1; + + ret =3D fsetxattr(fd, name, value, size, 0, XATTR_NOFOLLOW); + close_preserve_errno(fd); +#else + char *proc_path =3D g_strdup_printf("/proc/self/fd/%d/%s", dirfd, file= name); =20 ret =3D lsetxattr(proc_path, name, value, size, flags); g_free(proc_path); +#endif return ret; } --=20 2.8.1