From 7d7440b2114b4c81816882433294f9c951bc39e8 Mon Sep 17 00:00:00 2001
From: "cebka@lenovo-laptop" <cebka@lenovo-laptop>
Date: Wed, 30 Dec 2009 15:54:48 +0300
Subject: [PATCH] * Add support of whitelists in settings (by Anton
 Nekhoroshin)

---
 src/settings.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++--
 src/settings.h |  1 +
 2 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/src/settings.c b/src/settings.c
index 6de04a7eb..cd7167edd 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -53,6 +53,9 @@ settings_free (gpointer data)
 	if (s->reject_scores) {
 		g_hash_table_destroy (s->reject_scores);
 	}
+	if (s->whitelist) {
+		g_hash_table_destroy (s->whitelist);
+	}
 	g_free (s);
 }
 
@@ -101,7 +104,7 @@ void
 json_fin_cb (memory_pool_t * pool, struct map_cb_data *data)
 {
 	struct json_buf                *jb;
-	int                             nelts, i;
+	int                             nelts, i, n, a;
 	json_t                         *js, *cur_elt, *cur_nm, *it_val;
 	json_error_t                    je;
 	struct rspamd_settings         *cur_settings;
@@ -154,6 +157,7 @@ json_fin_cb (memory_pool_t * pool, struct map_cb_data *data)
 		cur_settings->metric_scores = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 		cur_settings->reject_scores = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 		cur_settings->factors = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+		cur_settings->whitelist = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 		cur_settings->statfile_alias = NULL;
 		cur_settings->want_spam = FALSE;
 
@@ -217,6 +221,18 @@ json_fin_cb (memory_pool_t * pool, struct map_cb_data *data)
 				json_it = json_object_iter_next(cur_nm, json_it);
 			}
 		}
+		/* Whitelist object */
+		cur_nm = json_object_get (cur_elt, "whitelist");
+		if (cur_nm != NULL && json_is_array (cur_nm)) {
+			n = json_array_size(cur_nm);
+			for(a = 0; a < n; a++) {
+				it_val = json_array_get(cur_nm, a);
+				if (it_val && json_is_string (it_val)) {
+					g_hash_table_insert (cur_settings->whitelist, g_strdup (json_string_value (it_val)), g_strdup (json_string_value (it_val)));
+				}
+		    
+			}
+		}
 		/* Want spam */
 		cur_nm = json_object_get (cur_elt, "want_spam");
 		if (cur_nm != NULL) {
@@ -302,6 +318,29 @@ check_setting (struct worker_task *task, struct rspamd_settings **user_settings,
 	return FALSE;
 }
 
+static				gboolean
+check_whitelist(struct worker_task *task, struct rspamd_settings *s)
+{
+	char *src_email = NULL, *src_domain = NULL;
+
+	if (task->from != NULL) {
+		src_email = task->from;
+	} else {
+		return FALSE;
+	}
+
+	src_domain = strchr (src_email, '@');
+	if(src_domain != NULL) {
+		src_domain++;
+	}
+
+	if (((g_hash_table_lookup (s->whitelist, src_email) != NULL) ||
+			( (src_domain != NULL) && (g_hash_table_lookup (s->whitelist, src_domain) != NULL)) )) {
+		return TRUE;
+	}
+	return FALSE;
+}
+
 gboolean
 check_metric_settings (struct worker_task * task, struct metric * metric, double *score, double *rscore)
 {
@@ -312,7 +351,11 @@ check_metric_settings (struct worker_task * task, struct metric * metric, double
 
 	if (check_setting (task, &us, &ds)) {
 		if (us != NULL) {
-			/* First search in user's settings */
+			/* First look in user white list */
+			if (check_whitelist(task, us)) {
+				*score = DEFAULT_REJECT_SCORE;
+				return TRUE;
+			}
 			if ((rs = g_hash_table_lookup (us->reject_scores, metric->name)) != NULL) {
 				*rscore = *rs;
 			}
@@ -330,6 +373,10 @@ check_metric_settings (struct worker_task * task, struct metric * metric, double
 			}
 		}
 		else if (ds != NULL) {
+			if (check_whitelist(task, ds)) {
+				*score = DEFAULT_REJECT_SCORE;
+				return TRUE;
+			}
 			if ((rs = g_hash_table_lookup (ds->reject_scores, metric->name)) != NULL) {
 				*rscore = *rs;
 			}
diff --git a/src/settings.h b/src/settings.h
index 58e877570..1f7ee743f 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -8,6 +8,7 @@ struct rspamd_settings {
 	GHashTable *metric_scores;			/**< hash table of metric require scores for this setting		*/
 	GHashTable *reject_scores;			/**< hash table of metric reject scores for this setting		*/
 	GHashTable *factors;				/**< hash table of new factors for this setting			*/
+	GHashTable *whitelist;				/**< hash table of whitelist for this setting			*/
 	char *statfile_alias;				/**< alias for statfile used							*/
 	gboolean want_spam;					/**< if true disable rspamd checks						*/
 };
-- 
2.39.5