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Diffstat (limited to 'hw/9pfs/virtio-9p-xattr.c')
-rw-r--r--hw/9pfs/virtio-9p-xattr.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/hw/9pfs/virtio-9p-xattr.c b/hw/9pfs/virtio-9p-xattr.c
deleted file mode 100644
index 07183887c5..0000000000
--- a/hw/9pfs/virtio-9p-xattr.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Virtio 9p xattr callback
- *
- * Copyright IBM, Corp. 2010
- *
- * Authors:
- * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- *
- */
-
-#include "hw/virtio/virtio.h"
-#include "virtio-9p.h"
-#include "fsdev/file-op-9p.h"
-#include "virtio-9p-xattr.h"
-
-
-static XattrOperations *get_xattr_operations(XattrOperations **h,
- const char *name)
-{
- XattrOperations *xops;
- for (xops = *(h)++; xops != NULL; xops = *(h)++) {
- if (!strncmp(name, xops->name, strlen(xops->name))) {
- return xops;
- }
- }
- return NULL;
-}
-
-ssize_t v9fs_get_xattr(FsContext *ctx, const char *path,
- const char *name, void *value, size_t size)
-{
- XattrOperations *xops = get_xattr_operations(ctx->xops, name);
- if (xops) {
- return xops->getxattr(ctx, path, name, value, size);
- }
- errno = EOPNOTSUPP;
- return -1;
-}
-
-ssize_t pt_listxattr(FsContext *ctx, const char *path,
- char *name, void *value, size_t size)
-{
- int name_size = strlen(name) + 1;
- if (!value) {
- return name_size;
- }
-
- if (size < name_size) {
- errno = ERANGE;
- return -1;
- }
-
- /* no need for strncpy: name_size is strlen(name)+1 */
- memcpy(value, name, name_size);
- return name_size;
-}
-
-
-/*
- * Get the list and pass to each layer to find out whether
- * to send the data or not
- */
-ssize_t v9fs_list_xattr(FsContext *ctx, const char *path,
- void *value, size_t vsize)
-{
- ssize_t size = 0;
- char *buffer;
- void *ovalue = value;
- XattrOperations *xops;
- char *orig_value, *orig_value_start;
- ssize_t xattr_len, parsed_len = 0, attr_len;
-
- /* Get the actual len */
- buffer = rpath(ctx, path);
- xattr_len = llistxattr(buffer, value, 0);
- if (xattr_len <= 0) {
- g_free(buffer);
- return xattr_len;
- }
-
- /* Now fetch the xattr and find the actual size */
- orig_value = g_malloc(xattr_len);
- xattr_len = llistxattr(buffer, orig_value, xattr_len);
- g_free(buffer);
-
- /* store the orig pointer */
- orig_value_start = orig_value;
- while (xattr_len > parsed_len) {
- xops = get_xattr_operations(ctx->xops, orig_value);
- if (!xops) {
- goto next_entry;
- }
-
- if (!value) {
- size += xops->listxattr(ctx, path, orig_value, value, vsize);
- } else {
- size = xops->listxattr(ctx, path, orig_value, value, vsize);
- if (size < 0) {
- goto err_out;
- }
- value += size;
- vsize -= size;
- }
-next_entry:
- /* Got the next entry */
- attr_len = strlen(orig_value) + 1;
- parsed_len += attr_len;
- orig_value += attr_len;
- }
- if (value) {
- size = value - ovalue;
- }
-
-err_out:
- g_free(orig_value_start);
- return size;
-}
-
-int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
- void *value, size_t size, int flags)
-{
- XattrOperations *xops = get_xattr_operations(ctx->xops, name);
- if (xops) {
- return xops->setxattr(ctx, path, name, value, size, flags);
- }
- errno = EOPNOTSUPP;
- return -1;
-
-}
-
-int v9fs_remove_xattr(FsContext *ctx,
- const char *path, const char *name)
-{
- XattrOperations *xops = get_xattr_operations(ctx->xops, name);
- if (xops) {
- return xops->removexattr(ctx, path, name);
- }
- errno = EOPNOTSUPP;
- return -1;
-
-}
-
-XattrOperations *mapped_xattr_ops[] = {
- &mapped_user_xattr,
- &mapped_pacl_xattr,
- &mapped_dacl_xattr,
- NULL,
-};
-
-XattrOperations *passthrough_xattr_ops[] = {
- &passthrough_user_xattr,
- &passthrough_acl_xattr,
- NULL,
-};
-
-/* for .user none model should be same as passthrough */
-XattrOperations *none_xattr_ops[] = {
- &passthrough_user_xattr,
- &none_acl_xattr,
- NULL,
-};