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-rw-r--r--libcli/ldap/ldap_message.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/libcli/ldap/ldap_message.c b/libcli/ldap/ldap_message.c
index f640bf34ed..1c5542c0d9 100644
--- a/libcli/ldap/ldap_message.c
+++ b/libcli/ldap/ldap_message.c
@@ -269,26 +269,29 @@ static bool ldap_push_filter(struct asn1_data *data, struct ldb_parse_tree *tree
asn1_push_tag(data, ASN1_CONTEXT(4));
asn1_write_OctetString(data, tree->u.substring.attr, strlen(tree->u.substring.attr));
asn1_push_tag(data, ASN1_SEQUENCE(0));
- i = 0;
- if ( ! tree->u.substring.start_with_wildcard) {
- asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(0));
- asn1_write_DATA_BLOB_LDAPString(data, tree->u.substring.chunks[i]);
- asn1_pop_tag(data);
- i++;
- }
- while (tree->u.substring.chunks[i]) {
- int ctx;
- if (( ! tree->u.substring.chunks[i + 1]) &&
- (tree->u.substring.end_with_wildcard == 0)) {
- ctx = 2;
- } else {
- ctx = 1;
+ if (tree->u.substring.chunks && tree->u.substring.chunks[0]) {
+ i = 0;
+ if (!tree->u.substring.start_with_wildcard) {
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(0));
+ asn1_write_DATA_BLOB_LDAPString(data, tree->u.substring.chunks[i]);
+ asn1_pop_tag(data);
+ i++;
+ }
+ while (tree->u.substring.chunks[i]) {
+ int ctx;
+
+ if (( ! tree->u.substring.chunks[i + 1]) &&
+ (tree->u.substring.end_with_wildcard == 0)) {
+ ctx = 2;
+ } else {
+ ctx = 1;
+ }
+ asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(ctx));
+ asn1_write_DATA_BLOB_LDAPString(data, tree->u.substring.chunks[i]);
+ asn1_pop_tag(data);
+ i++;
}
- asn1_push_tag(data, ASN1_CONTEXT_SIMPLE(ctx));
- asn1_write_DATA_BLOB_LDAPString(data, tree->u.substring.chunks[i]);
- asn1_pop_tag(data);
- i++;
}
asn1_pop_tag(data);
asn1_pop_tag(data);