389-ds-base/SOURCES/0001-Issue-4884-server-crashes-when-dnaInterval-attribute.patch
2021-12-09 11:28:17 +00:00

45 lines
1.4 KiB
Diff

From 6e21d41f5d9f6437c00dd0150654415b172e391a Mon Sep 17 00:00:00 2001
From: Mark Reynolds <mreynolds@redhat.com>
Date: Wed, 25 Aug 2021 16:54:57 -0400
Subject: [PATCH 1/3] Issue 4884 - server crashes when dnaInterval attribute is
set to zero
Bug Description:
A division by zero crash occurs if the dnaInterval is set to zero
Fix Description:
Validate the config value of dnaInterval and adjust it to the
default/safe value of "1" if needed.
relates: https://github.com/389ds/389-ds-base/issues/4884
Reviewed by: tbordaz(Thanks!)
---
ldap/servers/plugins/dna/dna.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/ldap/servers/plugins/dna/dna.c b/ldap/servers/plugins/dna/dna.c
index 928a3f54a..c983ebdd0 100644
--- a/ldap/servers/plugins/dna/dna.c
+++ b/ldap/servers/plugins/dna/dna.c
@@ -1025,7 +1025,14 @@ dna_parse_config_entry(Slapi_PBlock *pb, Slapi_Entry *e, int apply)
value = slapi_entry_attr_get_charptr(e, DNA_INTERVAL);
if (value) {
+ errno = 0;
entry->interval = strtoull(value, 0, 0);
+ if (entry->interval == 0 || errno == ERANGE) {
+ slapi_log_err(SLAPI_LOG_WARNING, DNA_PLUGIN_SUBSYSTEM,
+ "dna_parse_config_entry - Invalid value for dnaInterval (%s), "
+ "Using default value of 1\n", value);
+ entry->interval = 1;
+ }
slapi_ch_free_string(&value);
}
--
2.31.1