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-rw-r--r--lib/kadm5/setkey3_s.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/lib/kadm5/setkey3_s.c b/lib/kadm5/setkey3_s.c
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+/*
+ * Copyright (c) 1997-2001, 2003, 2005-2006 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "kadm5_locl.h"
+
+/**
+ * Server-side function to set new keys for a principal.
+ */
+kadm5_ret_t
+kadm5_s_setkey_principal_3(void *server_handle,
+ krb5_principal princ,
+ krb5_boolean keepold,
+ int n_ks_tuple,
+ krb5_key_salt_tuple *ks_tuple,
+ krb5_keyblock *keyblocks, int n_keys)
+{
+ kadm5_server_context *context = server_handle;
+ hdb_entry_ex ent;
+ kadm5_ret_t ret = 0;
+
+ memset(&ent, 0, sizeof(ent));
+ if (!context->keep_open)
+ ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
+ if (ret)
+ return ret;
+
+ ret = kadm5_log_init(context);
+ if (ret) {
+ if (!context->keep_open)
+ context->db->hdb_close(context->context, context->db);
+ return ret;
+ }
+
+ ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
+ HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
+ if (ret) {
+ (void) kadm5_log_end(context);
+ if (!context->keep_open)
+ context->db->hdb_close(context->context, context->db);
+ return ret;
+ }
+
+ if (keepold) {
+ ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
+ } else
+ ret = hdb_clear_extension(context->context, &ent.entry,
+ choice_HDB_extension_data_hist_keys);
+
+ /*
+ * Though in practice all real calls to this function will pass an empty
+ * ks_tuple, and cannot in any case employ any salts that require
+ * additional data, we go the extra mile to set any requested salt type
+ * along with a zero length salt value. While we're at it we check that
+ * each ks_tuple's enctype matches the corresponding key enctype.
+ */
+ if (ret == 0) {
+ int i;
+
+ free_Keys(&ent.entry.keys);
+ for (i = 0; i < n_keys; ++i) {
+ Key k;
+ Salt s;
+
+ k.mkvno = 0;
+ k.key = keyblocks[i];
+ if (n_ks_tuple == 0)
+ k.salt = 0;
+ else {
+ if (ks_tuple[i].ks_enctype != keyblocks[i].keytype) {
+ ret = KADM5_SETKEY3_ETYPE_MISMATCH;
+ break;
+ }
+ s.type = ks_tuple[i].ks_salttype;
+ s.salt.data = 0;
+ s.opaque = 0;
+ k.salt = &s;
+ }
+ if ((ret = add_Keys(&ent.entry.keys, &k)) != 0)
+ break;
+ }
+ }
+
+ if (ret == 0) {
+ ent.entry.kvno++;
+ ent.entry.flags.require_pwchange = 0;
+ hdb_entry_set_pw_change_time(context->context, &ent.entry, 0);
+ hdb_entry_clear_password(context->context, &ent.entry);
+
+ if ((ret = hdb_seal_keys(context->context, context->db,
+ &ent.entry)) == 0
+ && (ret = _kadm5_set_modifier(context, &ent.entry)) == 0
+ && (ret = _kadm5_bump_pw_expire(context, &ent.entry)) == 0)
+ ret = kadm5_log_modify(context, &ent.entry,
+ KADM5_ATTRIBUTES | KADM5_PRINCIPAL |
+ KADM5_MOD_NAME | KADM5_MOD_TIME |
+ KADM5_KEY_DATA | KADM5_KVNO |
+ KADM5_PW_EXPIRATION | KADM5_TL_DATA);
+ }
+
+ hdb_free_entry(context->context, &ent);
+ (void) kadm5_log_end(context);
+ if (!context->keep_open)
+ context->db->hdb_close(context->context, context->db);
+ return _kadm5_error_code(ret);
+}