s3-spoolss: Added a set_printer_dataex function using the winreg pipe.

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

2 files changed, 106 insertions, 0 deletions

diff --git a/source3/rpc_server/srv_spoolss_util.c b/source3/rpc_server/srv_spoolss_util.c
index 63178b3c90..dbefd5343e 100644
--- a/source3/rpc_server/srv_spoolss_util.c
+++ b/source3/rpc_server/srv_spoolss_util.c
@@ -165,3 +165,79 @@ static WERROR winreg_printer_openkey(TALLOC_CTX *mem_ctx,
 
 	return WERR_OK;
 }
+
+/* Set printer data over the winreg pipe. */
+WERROR winreg_set_printer_dataex(struct pipes_struct *p,
+				 const char *printer,
+				 const char *key,
+				 const char *value,
+				 enum winreg_Type type,
+				 uint8_t *data,
+				 uint32_t data_size)
+{
+	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;
+	WERROR result = WERR_OK;
+	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);
+
+	DEBUG(8, ("winreg_set_printer_dataex: Open printer key %s, value %s, access_mask: 0x%05x for [%s]\n",
+			key, value, access_mask, printer));
+	result = winreg_printer_openkey(tmp_ctx,
+					p->server_info,
+					&winreg_pipe,
+					printer,
+					key,
+					true,
+					access_mask,
+					&hive_hnd,
+					&key_hnd);
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(0, ("winreg_set_printer_dataex: Could not open key %s: %s\n",
+			  key, win_errstr(result)));
+		goto done;
+	}
+
+	wvalue.name = value;
+	status = rpccli_winreg_SetValue(winreg_pipe,
+					tmp_ctx,
+					&key_hnd,
+					wvalue,
+					type,
+					data,
+					data_size,
+					&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("winreg_set_printer_dataex: Could not set value %s: %s\n",
+			  value, 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(tmp_ctx);
+	return result;
+}
diff --git a/source3/rpc_server/srv_spoolss_util.h b/source3/rpc_server/srv_spoolss_util.h
index 3118bbc835..4faa35049f 100644
--- a/source3/rpc_server/srv_spoolss_util.h
+++ b/source3/rpc_server/srv_spoolss_util.h
@@ -22,4 +22,34 @@
 #ifndef _SRV_SPOOLSS_UITL_H
 #define _SRV_SPOOLSS_UITL_H
 
+/**
+ * @internal
+ *
+ * @brief Set printer data over the winreg pipe.
+ *
+ * @param[in]  p        The pipes structure to be able to open a new pipe.
+ *
+ * @param[in]  printer  The printer name.
+ *
+ * @param[in]  key      The key of the printer data to store the value.
+ *
+ * @param[in]  value    The value name to save.
+ *
+ * @param[in]  type     The type of the value to use.
+ *
+ * @param[in]  data     The data which sould be saved under the given value.
+ *
+ * @param[in]  data_size The size of the data.
+ *
+ * @return              On success WERR_OK, a corresponding DOS error is
+ *                      something went wrong.
+ */
+WERROR winreg_set_printer_dataex(struct pipes_struct *p,
+				 const char *printer,
+				 const char *key,
+				 const char *value,
+				 enum winreg_Type type,
+				 uint8_t *data,
+				 uint32_t data_size);
+
 #endif /* _SRV_SPOOLSS_UITL_H */