A malformed principal will cause kadmind to segfault. The PR addresses only when chpass is requested but delete is also affected. Fix both. PR: 268002 Reported by: Robert Morris <rtm@lcs.mit.edu> MFC after: 3 days
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/*
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* Copyright (c) 1997 - 2001, 2003, 2005 - 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kadm5_locl.h"
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RCSID("$Id$");
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kadm5_ret_t
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kadm5_s_delete_principal(void *server_handle, krb5_principal princ)
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{
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kadm5_server_context *context = server_handle;
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kadm5_ret_t ret;
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hdb_entry_ex ent;
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memset(&ent, 0, sizeof(ent));
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ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
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if(ret) {
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krb5_warn(context->context, ret, "opening database");
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return ret;
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}
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ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
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HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
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if (ret)
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goto out;
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if(ent.entry.flags.immutable) {
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ret = KADM5_PROTECT_PRINCIPAL;
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goto out2;
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}
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ret = hdb_seal_keys(context->context, context->db, &ent.entry);
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if (ret)
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goto out2;
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ret = context->db->hdb_remove(context->context, context->db, princ);
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if (ret)
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goto out2;
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kadm5_log_delete (context, princ);
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out2:
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hdb_free_entry(context->context, &ent);
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out:
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context->db->hdb_close(context->context, context->db);
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return _kadm5_error_code(ret);
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}
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