From 7cdfdccdd8fb845d30d9e0d3dacff36de76e4114 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 30 Mar 2015 16:20:00 +0100
Subject: [PATCH] Add control section parsing.

---
 src/libserver/protocol.c | 106 +++++++++++++++++++++++++++++++++++++++
 src/libserver/protocol.h |   9 ++++
 src/libserver/task.c     |   2 +
 3 files changed, 117 insertions(+)

diff --git a/src/libserver/protocol.c b/src/libserver/protocol.c
index 1f5b1f447..4dab60171 100644
--- a/src/libserver/protocol.c
+++ b/src/libserver/protocol.c
@@ -26,6 +26,7 @@
 #include "main.h"
 #include "util.h"
 #include "cfg_file.h"
+#include "cfg_rcl.h"
 #include "message.h"
 #include "utlist.h"
 
@@ -439,6 +440,111 @@ rspamd_protocol_handle_headers (struct rspamd_task *task,
 	return TRUE;
 }
 
+#define BOOL_TO_FLAG(val, flags, flag) do {									\
+	if ((val)) (flags) |= (flag);											\
+	else (flags) &= ~(flag);												\
+} while(0)
+
+gboolean
+rspamd_protocol_parse_task_flags (rspamd_mempool_t *pool,
+	const ucl_object_t *obj,
+	gpointer ud,
+	struct rspamd_rcl_section *section,
+	GError **err)
+{
+	struct rspamd_rcl_struct_parser *pd = ud;
+	gint *target;
+	const gchar *key;
+	gboolean value;
+
+	target = (gint *)(((gchar *)pd->user_struct) + pd->offset);
+	key = ucl_object_key (obj);
+	value = ucl_object_toboolean (obj);
+
+	if (key != NULL) {
+		if (g_ascii_strcasecmp (key, "pass_all") == 0) {
+			BOOL_TO_FLAG (value, *target, RSPAMD_TASK_FLAG_PASS_ALL);
+		}
+		else if (g_ascii_strcasecmp (key, "no_log") == 0) {
+			BOOL_TO_FLAG (value, *target, RSPAMD_TASK_FLAG_NO_LOG);
+		}
+	}
+
+	return TRUE;
+}
+
+static struct rspamd_rcl_section *control_parser = NULL;
+
+static void
+rspamd_protocol_control_parser_init (void)
+{
+	struct rspamd_rcl_section *sub;
+
+	if (control_parser == NULL) {
+		sub = rspamd_rcl_add_section (&control_parser,
+				"*",
+				NULL,
+				UCL_OBJECT,
+				FALSE,
+				TRUE);
+		/* Default handlers */
+		rspamd_rcl_add_default_handler (sub,
+				"ip",
+				rspamd_rcl_parse_struct_addr,
+				G_STRUCT_OFFSET (struct rspamd_task, from_addr),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"from",
+				rspamd_rcl_parse_struct_mime_addr,
+				G_STRUCT_OFFSET (struct rspamd_task, from_envelope),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"rcpt",
+				rspamd_rcl_parse_struct_mime_addr,
+				G_STRUCT_OFFSET (struct rspamd_task, rcpt_envelope),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"helo",
+				rspamd_rcl_parse_struct_string,
+				G_STRUCT_OFFSET (struct rspamd_task, helo),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"user",
+				rspamd_rcl_parse_struct_string,
+				G_STRUCT_OFFSET (struct rspamd_task, user),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"pass_all",
+				rspamd_protocol_parse_task_flags,
+				G_STRUCT_OFFSET (struct rspamd_task, flags),
+				0);
+		rspamd_rcl_add_default_handler (sub,
+				"json",
+				rspamd_protocol_parse_task_flags,
+				G_STRUCT_OFFSET (struct rspamd_task, flags),
+				0);
+	}
+}
+
+gboolean
+rspamd_protocol_handle_control (struct rspamd_task *task,
+		const ucl_object_t *control)
+{
+	GError *err = NULL;
+
+	rspamd_protocol_control_parser_init ();
+
+	if (!rspamd_rcl_parse (control_parser, task, task->task_pool,
+			control, &err)) {
+		msg_warn ("cannot parse control block: %e", err);
+		g_error_free (err);
+
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
 gboolean
 rspamd_protocol_handle_request (struct rspamd_task *task,
 	struct rspamd_http_message *msg)
diff --git a/src/libserver/protocol.h b/src/libserver/protocol.h
index 8fdd7e56f..c3a73abec 100644
--- a/src/libserver/protocol.h
+++ b/src/libserver/protocol.h
@@ -29,6 +29,15 @@ struct metric;
 gboolean rspamd_protocol_handle_headers (struct rspamd_task *task,
 	struct rspamd_http_message *msg);
 
+/**
+ * Process control chunk and update task structure accordingly
+ * @param task
+ * @param control
+ * @return
+ */
+gboolean rspamd_protocol_handle_control (struct rspamd_task *task,
+		const ucl_object_t *control);
+
 /**
  * Process HTTP request to the task structure
  * @param task
diff --git a/src/libserver/task.c b/src/libserver/task.c
index 4c8934ada..0dd77a1e5 100644
--- a/src/libserver/task.c
+++ b/src/libserver/task.c
@@ -346,6 +346,8 @@ rspamd_task_process (struct rspamd_task *task,
 			else {
 				control_obj = ucl_parser_get_object (parser);
 				ucl_parser_free (parser);
+				rspamd_protocol_handle_control (task, control_obj);
+				ucl_object_unref (control_obj);
 			}
 
 			task->msg.start += control_len;
-- 
2.39.5