r10914: moved the ldap time string functions into ldb so they can be used by

the time attribute handling functions
(This used to be commit 93c296d52718e77f8b702e1721b548eaadc56c76)

2 files changed, 46 insertions, 0 deletions

diff --git a/source4/lib/ldb/common/ldb_msg.c b/source4/lib/ldb/common/ldb_msg.c
index 01941f5728..2aef7acc42 100644
--- a/source4/lib/ldb/common/ldb_msg.c
+++ b/source4/lib/ldb/common/ldb_msg.c
@@ -36,6 +36,7 @@
 #include "ldb/include/ldb.h"
 #include "ldb/include/ldb_errors.h"
 #include "ldb/include/ldb_private.h"
+#include <time.h>
 
 /*
   create a new ldb_message in a given memory context (NULL for top level)
@@ -594,3 +595,45 @@ int ldb_msg_copy_attr(struct ldb_message *msg, const char *attr, const char *rep
 	return 0;
 }
 
+
+/*
+  return a LDAP formatted time string
+*/
+char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t)
+{
+	struct tm *tm = gmtime(&t);
+
+	if (!tm) {
+		return NULL;
+	}
+
+	/* formatted like: 20040408072012.0Z */
+	return talloc_asprintf(mem_ctx, 
+			       "%04u%02u%02u%02u%02u%02u.0Z",
+			       tm->tm_year+1900, tm->tm_mon+1,
+			       tm->tm_mday, tm->tm_hour, tm->tm_min,
+			       tm->tm_sec);
+}
+
+
+/*
+  convert a LDAP time string to a time_t. Return 0 if unable to convert
+*/
+time_t ldb_string_to_time(const char *s)
+{
+	struct tm tm;
+	
+	if (s == NULL) return 0;
+	
+	ZERO_STRUCT(tm);
+	if (sscanf(s, "%04u%02u%02u%02u%02u%02u.0Z", 
+		   &tm.tm_year, &tm.tm_mon, &tm.tm_mday, 
+		   &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+		return 0;
+	}
+	tm.tm_year -= 1900;
+	tm.tm_mon -= 1;
+	
+	return timegm(&tm);
+}
+
diff --git a/source4/lib/ldb/include/ldb.h b/source4/lib/ldb/include/ldb.h
index d75ca4fe86..0af88f8427 100644
--- a/source4/lib/ldb/include/ldb.h
+++ b/source4/lib/ldb/include/ldb.h
@@ -497,4 +497,7 @@ void ldb_parse_tree_attr_replace(struct ldb_parse_tree *tree,
 void ldb_msg_rename_attr(struct ldb_message *msg, const char *attr, const char *replace);
 int ldb_msg_copy_attr(struct ldb_message *msg, const char *attr, const char *replace);
 
+char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t);
+time_t ldb_string_to_time(const char *s);
+
 #endif