#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;
}