From baae6ef9d24a59f794a8cbc9aa0ccdbbeb2ed369 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Tue, 29 Dec 2009 11:36:37 +1100
Subject: s4-ldb: added ldb_val_to_time()

This is intended as a replacement for ldb_string_to_time() for ldb_val
inputs. This ensures it is length limited and includes additional
validity checks
---
 source4/lib/ldb/common/ldb_msg.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'source4/lib/ldb')

diff --git a/source4/lib/ldb/common/ldb_msg.c b/source4/lib/ldb/common/ldb_msg.c
index fbf49fbb23..9b33d7e351 100644
--- a/source4/lib/ldb/common/ldb_msg.c
+++ b/source4/lib/ldb/common/ldb_msg.c
@@ -831,6 +831,33 @@ time_t ldb_string_to_time(const char *s)
 	return timegm(&tm);
 }
 
+/*
+  convert a LDAP GeneralizedTime string in ldb_val format to a
+  time_t.
+*/
+int ldb_val_to_time(const struct ldb_val *v, time_t *t)
+{
+	struct tm tm;
+
+	if (v == NULL || !v->data || v->length < 14) {
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	}
+
+	memset(&tm, 0, sizeof(tm));
+
+	if (sscanf((char *)v->data, "%04u%02u%02u%02u%02u%02u",
+		   &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+		   &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	}
+	tm.tm_year -= 1900;
+	tm.tm_mon -= 1;
+
+	*t = timegm(&tm);
+
+	return LDB_SUCCESS;
+}
+
 /*
   return a LDAP formatted UTCTime string
 */
-- 
cgit