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authorAndrew Bartlett <abartlet@samba.org>2012-08-20 21:28:57 +1000
committerAndrew Bartlett <abartlet@samba.org>2012-08-20 21:58:05 +1000
commitae4195dd407d96a4b8768d1c43c58ce2f19d4ef5 (patch)
treeea86f880201245049a8b5d45ab5a1cedc0781717
parentcbe758cfbb8febd02c0a80bf8f813fd464c71ce5 (diff)
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s3-vfs: Add lstat and lchown hooks to the vfs_fake_acls module
-rw-r--r--source3/modules/vfs_fake_acls.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/source3/modules/vfs_fake_acls.c b/source3/modules/vfs_fake_acls.c
index d7398a2ebf..abe65700de 100644
--- a/source3/modules/vfs_fake_acls.c
+++ b/source3/modules/vfs_fake_acls.c
@@ -139,6 +139,38 @@ static int fake_acls_stat(vfs_handle_struct *handle,
return ret;
}
+static int fake_acls_lstat(vfs_handle_struct *handle,
+ struct smb_filename *smb_fname)
+{
+ int ret = -1;
+
+ ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
+ if (ret == 0) {
+ TALLOC_CTX *frame = talloc_stackframe();
+ char *path;
+ NTSTATUS status;
+ status = get_full_smb_filename(frame, smb_fname, &path);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ TALLOC_FREE(frame);
+ return -1;
+ }
+
+ /* This isn't quite right (calling getxattr not
+ * lgetxattr), but for the test purposes of this
+ * module (fake NT ACLs from windows clients), it is
+ * close enough. We removed the l*xattr functions
+ * because linux doesn't support using them, but we
+ * could fake them in xattr_tdb if we really wanted
+ * to. We ignore errors because the link might not point anywhere */
+ fake_acls_uid(handle, path, &smb_fname->st.st_ex_uid);
+ fake_acls_gid(handle, path, &smb_fname->st.st_ex_gid);
+ TALLOC_FREE(frame);
+ }
+
+ return ret;
+}
+
static int fake_acls_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
{
int ret = -1;
@@ -361,6 +393,35 @@ static int fake_acls_chown(vfs_handle_struct *handle, const char *path, uid_t u
return 0;
}
+static int fake_acls_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
+{
+ int ret;
+ uint8_t id_buf[4];
+ if (uid != -1) {
+ /* This isn't quite right (calling setxattr not
+ * lsetxattr), but for the test purposes of this
+ * module (fake NT ACLs from windows clients), it is
+ * close enough. We removed the l*xattr functions
+ * because linux doesn't support using them, but we
+ * could fake them in xattr_tdb if we really wanted
+ * to.
+ */
+ SIVAL(id_buf, 0, uid);
+ ret = SMB_VFS_NEXT_SETXATTR(handle, path, FAKE_UID, id_buf, sizeof(id_buf), 0);
+ if (ret != 0) {
+ return ret;
+ }
+ }
+ if (gid != -1) {
+ SIVAL(id_buf, 0, gid);
+ ret = SMB_VFS_NEXT_SETXATTR(handle, path, FAKE_GID, id_buf, sizeof(id_buf), 0);
+ if (ret != 0) {
+ return ret;
+ }
+ }
+ return 0;
+}
+
static int fake_acls_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
{
int ret;
@@ -385,6 +446,7 @@ static int fake_acls_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t
static struct vfs_fn_pointers vfs_fake_acls_fns = {
.stat_fn = fake_acls_stat,
+ .lstat_fn = fake_acls_lstat,
.fstat_fn = fake_acls_fstat,
.sys_acl_get_file_fn = fake_acls_sys_acl_get_file,
.sys_acl_get_fd_fn = fake_acls_sys_acl_get_fd,
@@ -392,6 +454,7 @@ static struct vfs_fn_pointers vfs_fake_acls_fns = {
.sys_acl_set_fd_fn = fake_acls_sys_acl_set_fd,
.sys_acl_delete_def_file_fn = fake_acls_sys_acl_delete_def_file,
.chown_fn = fake_acls_chown,
+ .lchown_fn = fake_acls_lchown,
.fchown_fn = fake_acls_fchown,
};