Add options to limit cores for rspamd

doc/markdown/configuration/options.md

@@ -50,6 +50,10 @@ symbol).
 * `classify_headers`: list of headers that are processed by statistics
 * `history_rows`: number of rows in the recent history roll table
 * `explicit_modules`: always load modules from the list even if they have no according configuration section in the file
+* `disable_hyperscan`: disable hyperscan optimizations (if enabled by compilation time)
+* `cores_dir`: directory where rspamd is intended to drop core files
+* `max_cores_size`: maximum total size of core files that are placed in `cores_dir`
+* `max_cores_count`: maximum number of files in `cores_dir`
 
 ## DNS options
 
@@ -75,4 +79,4 @@ options {
 
 ## Upstream options
 
-**TODO**
+**TODO**

src/libserver/cfg_file.h

@@ -234,6 +234,9 @@ struct rspamd_config {
 	gboolean disable_hyperscan;                     /**< disable hyperscan usage							*/
 
 	gsize max_diff;                                 /**< maximum diff size for text parts					*/
+	gsize max_cores_size;                           /**< maximum size occupied by rspamd core files			*/
+	gsize max_cores_count;                          /**< maximum number of core files						*/
+	gchar *cores_dir;                               /**< directory for core files							*/
 
 	enum rspamd_log_type log_type;                  /**< log type											*/
 	gint log_facility;                              /**< log facility in case of syslog						*/

src/libserver/cfg_rcl.c

@@ -1470,6 +1470,21 @@ rspamd_rcl_config_init (void)
 			rspamd_rcl_parse_struct_boolean,
 			G_STRUCT_OFFSET (struct rspamd_config, disable_hyperscan),
 			0);
+	rspamd_rcl_add_default_handler (sub,
+			"cores_dir",
+			rspamd_rcl_parse_struct_string,
+			G_STRUCT_OFFSET (struct rspamd_config, cores_dir),
+			RSPAMD_CL_FLAG_STRING_PATH);
+	rspamd_rcl_add_default_handler (sub,
+			"max_cores_size",
+			rspamd_rcl_parse_struct_integer,
+			G_STRUCT_OFFSET (struct rspamd_config, max_cores_size),
+			RSPAMD_CL_FLAG_INT_SIZE);
+	rspamd_rcl_add_default_handler (sub,
+			"max_cores_count",
+			rspamd_rcl_parse_struct_integer,
+			G_STRUCT_OFFSET (struct rspamd_config, max_cores_count),
+			RSPAMD_CL_FLAG_INT_SIZE);
 
 	/* New DNS configuration */
 	ssub = rspamd_rcl_add_section (&sub->subsections, "dns", NULL, NULL,