added functions that convert a ads binary blob to a string (for

searching on SID)

1 files changed, 39 insertions, 0 deletions

diff --git a/source/libads/ldap.c b/source/libads/ldap.c
index 50583146c08..34ca2ad04db 100644
--- a/source/libads/ldap.c
+++ b/source/libads/ldap.c
@@ -376,6 +376,45 @@ NTSTATUS ads_set_machine_password(ADS_STRUCT *ads,
 	return ret;
 }
 
+
+/*
+  return a RFC2254 binary string representation of a buffer
+  used in filters
+  caller must free
+*/
+char *ads_binary_string(char *buf, int len)
+{
+	char *s;
+	int i, j;
+	const char *hex = "0123456789ABCDEF";
+	s = malloc(len * 3 + 1);
+	if (!s) return NULL;
+	for (j=i=0;i<len;i++) {
+		s[j] = '\\';
+		s[j+1] = hex[((unsigned char)buf[i]) >> 4];
+		s[j+2] = hex[((unsigned char)buf[i]) & 0xF];
+		j += 3;
+	}
+	s[j] = 0;
+	return s;
+}
+
+/*
+  return the binary string representation of a DOM_SID
+  caller must free
+*/
+char *ads_sid_binstring(DOM_SID *sid)
+{
+	char *buf, *s;
+	int len = sid_size(sid);
+	buf = malloc(len);
+	if (!buf) return NULL;
+	sid_linearize(buf, len, sid);
+	s = ads_binary_string(buf, len);
+	free(buf);
+	return s;
+}
+
 /*
   pull the first entry from a ADS result
 */