From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 4 Jan 2021 14:44:06 +0000 (+0000)
Subject: [Minor] Add a small protection against bad characters in symbols
X-Git-Tag: 2.7~18
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fe2a739af4ad2bce76600e7386fc0ad12c3da354;p=thirdparty%2Frspamd.git

[Minor] Add a small protection against bad characters in symbols
---

diff --git a/src/libserver/rspamd_symcache.c b/src/libserver/rspamd_symcache.c
index fedd2cf029..1b02b62a8d 100644
--- a/src/libserver/rspamd_symcache.c
+++ b/src/libserver/rspamd_symcache.c
@@ -1056,6 +1056,11 @@ rspamd_symcache_add_symbol (struct rspamd_symcache *cache,
 	if (name != NULL && !(type & SYMBOL_TYPE_CALLBACK)) {
 		struct rspamd_symcache_item *existing;
 
+		if (strcspn (name, " \t\n\r") != strlen (name)) {
+			msg_warn_cache ("bogus characters in symbol name: \"%s\"",
+					name);
+		}
+
 		if ((existing = g_hash_table_lookup (cache->items_by_symbol, name)) != NULL) {
 
 			if (existing->type & SYMBOL_TYPE_GHOST) {