diff options
| -rw-r--r-- | hw/9pfs/9p.c | 17 | ||||
| -rw-r--r-- | hw/9pfs/9p.h | 4 |
2 files changed, 19 insertions, 2 deletions
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index c842ec555e..eef289e394 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -3327,7 +3327,7 @@ out_nofid: static void coroutine_fn v9fs_xattrcreate(void *opaque) { - int flags; + int flags, rflags = 0; int32_t fid; uint64_t size; ssize_t err = 0; @@ -3344,6 +3344,19 @@ static void coroutine_fn v9fs_xattrcreate(void *opaque) } trace_v9fs_xattrcreate(pdu->tag, pdu->id, fid, name.data, size, flags); + if (flags & ~(P9_XATTR_CREATE | P9_XATTR_REPLACE)) { + err = -EINVAL; + goto out_nofid; + } + + if (flags & P9_XATTR_CREATE) { + rflags |= XATTR_CREATE; + } + + if (flags & P9_XATTR_REPLACE) { + rflags |= XATTR_REPLACE; + } + if (size > XATTR_SIZE_MAX) { err = -E2BIG; goto out_nofid; @@ -3365,7 +3378,7 @@ static void coroutine_fn v9fs_xattrcreate(void *opaque) xattr_fidp->fs.xattr.copied_len = 0; xattr_fidp->fs.xattr.xattrwalk_fid = false; xattr_fidp->fs.xattr.len = size; - xattr_fidp->fs.xattr.flags = flags; + xattr_fidp->fs.xattr.flags = rflags; v9fs_string_init(&xattr_fidp->fs.xattr.name); v9fs_string_copy(&xattr_fidp->fs.xattr.name, &name); xattr_fidp->fs.xattr.value = g_malloc0(size); diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h index bad8ee719c..8883761b2c 100644 --- a/hw/9pfs/9p.h +++ b/hw/9pfs/9p.h @@ -169,6 +169,10 @@ typedef struct V9fsConf char *fsdev_id; } V9fsConf; +/* 9p2000.L xattr flags (matches Linux values) */ +#define P9_XATTR_CREATE 1 +#define P9_XATTR_REPLACE 2 + typedef struct V9fsXattr { uint64_t copied_len; |