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Diffstat (limited to 'third_party/heimdal/admin/rename.c')
| -rw-r--r-- | third_party/heimdal/admin/rename.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/third_party/heimdal/admin/rename.c b/third_party/heimdal/admin/rename.c new file mode 100644 index 0000000..390776d --- /dev/null +++ b/third_party/heimdal/admin/rename.c @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2001-2004 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 "ktutil_locl.h" + +RCSID("$Id$"); + +int +kt_rename(struct rename_options *opt, int argc, char **argv) +{ + krb5_error_code ret = 0; + krb5_keytab_entry entry; + krb5_keytab keytab; + krb5_kt_cursor cursor; + krb5_principal from_princ, to_princ; + + ret = krb5_parse_name(context, argv[0], &from_princ); + if(ret != 0) { + krb5_warn(context, ret, "%s", argv[0]); + return 1; + } + + ret = krb5_parse_name(context, argv[1], &to_princ); + if(ret != 0) { + krb5_free_principal(context, from_princ); + krb5_warn(context, ret, "%s", argv[1]); + return 1; + } + + if((keytab = ktutil_open_keytab()) == NULL) { + krb5_free_principal(context, from_princ); + krb5_free_principal(context, to_princ); + return 1; + } + + ret = krb5_kt_start_seq_get(context, keytab, &cursor); + if(ret) { + krb5_kt_close(context, keytab); + krb5_free_principal(context, from_princ); + krb5_free_principal(context, to_princ); + return 1; + } + while(1) { + ret = krb5_kt_next_entry(context, keytab, &entry, &cursor); + if(ret != 0) { + if(ret != KRB5_CC_END && ret != KRB5_KT_END) + krb5_warn(context, ret, "getting entry from keytab"); + else + ret = 0; + break; + } + if(krb5_principal_compare(context, entry.principal, from_princ)) { + krb5_free_principal(context, entry.principal); + entry.principal = to_princ; + ret = krb5_kt_add_entry(context, keytab, &entry); + if(ret) { + entry.principal = NULL; + krb5_kt_free_entry(context, &entry); + krb5_warn(context, ret, "adding entry"); + break; + } + if (opt->delete_flag) { + entry.principal = from_princ; + ret = krb5_kt_remove_entry(context, keytab, &entry); + if(ret) { + entry.principal = NULL; + krb5_kt_free_entry(context, &entry); + krb5_warn(context, ret, "removing entry"); + break; + } + } + entry.principal = NULL; + } + krb5_kt_free_entry(context, &entry); + } + krb5_kt_end_seq_get(context, keytab, &cursor); + + krb5_free_principal(context, from_princ); + krb5_free_principal(context, to_princ); + + return ret != 0; +} + |