s3-spoolss: Added a winreg_addform1 function.

Signed-off-by: Günther Deschner <gd@samba.org>

2 files changed, 124 insertions, 0 deletions

diff --git a/source3/rpc_server/srv_spoolss_util.c b/source3/rpc_server/srv_spoolss_util.c
index 377c71296b..b23514c394 100644
--- a/source3/rpc_server/srv_spoolss_util.c
+++ b/source3/rpc_server/srv_spoolss_util.c
@@ -1241,6 +1241,112 @@ done:
 	return result;
 }
 
+/*
+ * The special behaviour of the spoolss forms is documented at the website:
+ *
+ * Managing Win32 Printserver Forms
+ * http://unixwiz.net/techtips/winspooler-forms.html
+ */
+
+WERROR winreg_printer_addform1(struct pipes_struct *p,
+			       struct spoolss_AddFormInfo1 *form)
+{
+	uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+	struct rpc_pipe_client *winreg_pipe = NULL;
+	struct policy_handle hive_hnd, key_hnd;
+	struct winreg_String wvalue;
+	DATA_BLOB blob;
+	uint32_t num_info = 0;
+	union spoolss_FormInfo *info = NULL;
+	uint32_t i;
+	WERROR result;
+	NTSTATUS status;
+	TALLOC_CTX *tmp_ctx;
+
+	tmp_ctx = talloc_new(p->mem_ctx);
+	if (tmp_ctx == NULL) {
+		return WERR_NOMEM;
+	}
+
+	ZERO_STRUCT(hive_hnd);
+	ZERO_STRUCT(key_hnd);
+
+	result = winreg_printer_openkey(tmp_ctx,
+					p->server_info,
+					&winreg_pipe,
+					TOP_LEVEL_CONTROL_FORMS_KEY,
+					"",
+					true,
+					access_mask,
+					&hive_hnd,
+					&key_hnd);
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(0, ("winreg_printer_addform1: Could not open key %s: %s\n",
+			  TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
+		goto done;
+	}
+
+	result = winreg_printer_enumforms1(p, &num_info, &info);
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(0, ("winreg_printer_addform: Could not enum keys %s: %s\n",
+			  TOP_LEVEL_CONTROL_FORMS_KEY, win_errstr(result)));
+		goto done;
+	}
+
+	/* If form name already exists or is builtin return ALREADY_EXISTS */
+	for (i = 0; i < num_info; i++) {
+		if (strequal(info[i].info1.form_name, form->form_name)) {
+			result = WERR_FILE_EXISTS;
+			goto done;
+		}
+	}
+
+	wvalue.name = form->form_name;
+
+	blob = data_blob_talloc(tmp_ctx, NULL, 32);
+	SIVAL(blob.data,  0, form->size.width);
+	SIVAL(blob.data,  4, form->size.height);
+	SIVAL(blob.data,  8, form->area.left);
+	SIVAL(blob.data, 12, form->area.top);
+	SIVAL(blob.data, 16, form->area.right);
+	SIVAL(blob.data, 20, form->area.bottom);
+	SIVAL(blob.data, 24, num_info + 1); /* FIXME */
+	SIVAL(blob.data, 28, form->flags);
+
+	status = rpccli_winreg_SetValue(winreg_pipe,
+					tmp_ctx,
+					&key_hnd,
+					wvalue,
+					REG_BINARY,
+					blob.data,
+					blob.length,
+					&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("winreg_printer_addform1: Could not set value %s: %s\n",
+			  wvalue.name, nt_errstr(status)));
+		if (!W_ERROR_IS_OK(result)) {
+			goto done;
+		}
+		result = ntstatus_to_werror(status);
+		goto done;
+	}
+
+	result = WERR_OK;
+done:
+	if (winreg_pipe != NULL) {
+		if (is_valid_policy_hnd(&key_hnd)) {
+			rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &key_hnd, NULL);
+		}
+		if (is_valid_policy_hnd(&hive_hnd)) {
+			rpccli_winreg_CloseKey(winreg_pipe, tmp_ctx, &hive_hnd, NULL);
+		}
+	}
+
+	TALLOC_FREE(info);
+	TALLOC_FREE(tmp_ctx);
+	return result;
+}
+
 WERROR winreg_printer_enumforms1(struct pipes_struct *p,
 				 uint32_t *pnum_info,
 				 union spoolss_FormInfo **pinfo)
diff --git a/source3/rpc_server/srv_spoolss_util.h b/source3/rpc_server/srv_spoolss_util.h
index 28e7e5b485..99cf68107c 100644
--- a/source3/rpc_server/srv_spoolss_util.h
+++ b/source3/rpc_server/srv_spoolss_util.h
@@ -171,6 +171,24 @@ WERROR winreg_delete_printer_key(struct pipes_struct *p,
 				 const char *key);
 
 /**
+ * @internal
+ *
+ * @brief This function adds a form to the list of available forms that can be
+ * selected for the specified printer.
+ *
+ * @param[in]  p        The pipes structure to be able to open a new pipe.
+ *
+ * @param[in]  form     The form to add.
+ *
+ * @return              WERR_OK on success.
+ *                      WERR_ALREADY_EXISTS if the form already exists or is a
+ *                                          builtin form.
+ *                      A corresponding DOS error is something went wrong.
+ */
+WERROR winreg_printer_addform1(struct pipes_struct *p,
+			       struct spoolss_AddFormInfo1 *form);
+
+/*
  * @brief This function enumerates the forms supported by the specified printer.
  *
  * @param[in]  p        The pipes structure to be able to open a new pipe.