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Diffstat (limited to 'daemons/ipa-kdb/ipa_kdb_principals.c')
-rw-r--r--daemons/ipa-kdb/ipa_kdb_principals.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/daemons/ipa-kdb/ipa_kdb_principals.c b/daemons/ipa-kdb/ipa_kdb_principals.c
index b3f8b1a..f2a5a41 100644
--- a/daemons/ipa-kdb/ipa_kdb_principals.c
+++ b/daemons/ipa-kdb/ipa_kdb_principals.c
@@ -1023,8 +1023,10 @@ krb5_error_code ipadb_get_principal(krb5_context kcontext,
struct ipadb_context *ipactx;
krb5_error_code kerr;
char *principal = NULL;
+ char *trusted_realm = NULL;
LDAPMessage *res = NULL;
LDAPMessage *lentry;
+ krb5_db_entry *kentry = NULL;
uint32_t pol;
ipactx = ipadb_get_context(kcontext);
@@ -1044,6 +1046,55 @@ krb5_error_code ipadb_get_principal(krb5_context kcontext,
kerr = ipadb_find_principal(kcontext, flags, res, &principal, &lentry);
if (kerr != 0) {
+ if ((kerr == KRB5_KDB_NOENTRY) &&
+ ((flags & (KRB5_KDB_FLAG_CANONICALIZE |
+ KRB5_KDB_FLAG_CLIENT_REFERRALS_ONLY)) != 0)) {
+
+ /* First check if we got enterprise principal which looks like
+ * username\@enterprise_realm@REALM */
+ char *realm;
+ krb5_data *upn;
+
+ upn = krb5_princ_component(kcontext, search_for,
+ krb5_princ_size(kcontext, search_for) - 1);
+
+ if (upn == NULL) {
+ kerr = KRB5_KDB_NOENTRY;
+ goto done;
+ }
+
+ realm = memrchr(upn->data, '@', upn->length);
+ if (realm == NULL) {
+ kerr = KRB5_KDB_NOENTRY;
+ goto done;
+ }
+
+ /* skip '@' and use part after '@' as an enterprise realm for comparison */
+ realm++;
+
+ kerr = ipadb_is_princ_from_trusted_realm(kcontext,
+ realm,
+ upn->length - (realm - upn->data),
+ &trusted_realm);
+ if (kerr == 0) {
+ kentry = calloc(1, sizeof(krb5_db_entry));
+ if (!kentry) {
+ kerr = ENOMEM;
+ goto done;
+ }
+ kerr = krb5_parse_name(kcontext, principal,
+ &kentry->princ);
+ if (kerr != 0) {
+ goto done;
+ }
+
+ kerr = krb5_set_principal_realm(kcontext, kentry->princ, trusted_realm);
+ if (kerr != 0) {
+ goto done;
+ }
+ *entry = kentry;
+ }
+ }
goto done;
}
@@ -1060,6 +1111,10 @@ krb5_error_code ipadb_get_principal(krb5_context kcontext,
}
done:
+ free(trusted_realm);
+ if ((kerr != 0) && (kentry != NULL)) {
+ ipadb_free_principal(kcontext, kentry);
+ }
ldap_msgfree(res);
krb5_free_unparsed_name(kcontext, principal);
return kerr;