From: Timo Sirainen <tss@iki.fi>
Date: Wed, 8 Sep 2010 13:55:57 +0000 (+0100)
Subject: auth: Fail if auth_cache_size value is too small.
X-Git-Tag: 2.0.2~8
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4fc74bba3548987b7e8597491cd9fafc1f701be6;p=thirdparty%2Fdovecot%2Fcore.git

auth: Fail if auth_cache_size value is too small.
---

diff --git a/src/auth/auth-settings.c b/src/auth/auth-settings.c
index d492e11c1e..6911757631 100644
--- a/src/auth/auth-settings.c
+++ b/src/auth/auth-settings.c
@@ -256,7 +256,7 @@ const struct setting_parser_info auth_setting_parser_info = {
 
 /* <settings checks> */
 static bool auth_settings_check(void *_set, pool_t pool,
-				const char **error_r ATTR_UNUSED)
+				const char **error_r)
 {
 	struct auth_settings *set = _set;
 	const char *p;
@@ -266,6 +266,15 @@ static bool auth_settings_check(void *_set, pool_t pool,
 	if (set->debug)
 		set->verbose = TRUE;
 
+	if (set->cache_size < 1024) {
+		/* probably a configuration error.
+		   older versions used megabyte numbers */
+		*error_r = t_strdup_printf("auth_cache_size value is too small "
+					   "(%"PRIuUOFF_T" bytes)",
+					   set->cache_size);
+		return FALSE;
+	}
+
 	if (*set->username_chars == '\0') {
 		/* all chars are allowed */
 		memset(set->username_chars_map, 1,