From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 12 Sep 2016 11:31:43 +0000 (+0100)
Subject: [Fix] Do not classify when a message has not enough tokens
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=79a294dd0d7aa88fbf6e82753ba426ca9a3ed032;p=thirdparty%2Frspamd.git

[Fix] Do not classify when a message has not enough tokens

Issue: #556
MFH: true
---

diff --git a/src/libstat/stat_process.c b/src/libstat/stat_process.c
index 00e7ded4c1..efc395ae4d 100644
--- a/src/libstat/stat_process.c
+++ b/src/libstat/stat_process.c
@@ -343,6 +343,27 @@ rspamd_stat_classifiers_process (struct rspamd_stat_ctx *st_ctx,
 		cl = g_ptr_array_index (st_ctx->classifiers, i);
 		g_assert (cl != NULL);
 
+		if (cl->cfg->min_tokens > 0 && task->tokens->len < cl->cfg->min_tokens) {
+			msg_debug_task (
+					"<%s> contains less tokens than required for %s classifier: "
+					"%ud < %ud",
+					task->message_id,
+					cl->cfg->name,
+					task->tokens->len,
+					cl->cfg->min_tokens);
+			continue;
+		}
+		else if (cl->cfg->max_tokens > 0 && task->tokens->len > cl->cfg->max_tokens) {
+			msg_debug_task (
+					"<%s> contains more tokens than allowed for %s classifier: "
+					"%ud > %ud",
+					task->message_id,
+					cl->cfg->name,
+					task->tokens->len,
+					cl->cfg->max_tokens);
+			continue;
+		}
+
 		cl->subrs->classify_func (cl, task->tokens, task);
 	}
 }