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-rw-r--r--source4/heimdal/kdc/kerberos5.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/source4/heimdal/kdc/kerberos5.c b/source4/heimdal/kdc/kerberos5.c
index bf727ee739..0cac0765ca 100644
--- a/source4/heimdal/kdc/kerberos5.c
+++ b/source4/heimdal/kdc/kerberos5.c
@@ -1292,19 +1292,35 @@ _kdc_as_rep(krb5_context context,
{
const krb5_enctype *p;
- int i, j;
+ int i, j, y;
p = krb5_kerberos_enctypes(context);
sessionetype = ETYPE_NULL;
for (i = 0; p[i] != ETYPE_NULL && sessionetype == ETYPE_NULL; i++) {
+ /* check it's valid */
if (krb5_enctype_valid(context, p[i]) != 0)
continue;
- for (j = 0; j < b->etype.len; j++) {
+
+ /* check if the client supports it */
+ for (j = 0; j < b->etype.len && sessionetype == ETYPE_NULL; j++) {
if (p[i] == b->etype.val[j]) {
- sessionetype = p[i];
- break;
+ /*
+ * if the server (krbtgt) has explicit etypes,
+ * check if it also supports it
+ */
+ if (server->entry.etypes) {
+ for (y = 0; y < server->entry.etypes->len; y++) {
+ if (p[i] == server->entry.etypes->val[y]) {
+ sessionetype = p[i];
+ break;
+ }
+ }
+ } else {
+ sessionetype = p[i];
+ break;
+ }
}
}
}