Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : #include "krb5_locl.h"
      35             : #ifdef HAVE_EXECINFO_H
      36             : #include <execinfo.h>
      37             : #endif
      38             : 
      39             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      40        1556 : _krb5_s4u2self_to_checksumdata(krb5_context context,
      41             :                                const PA_S4U2Self *self,
      42             :                                krb5_data *data)
      43             : {
      44           0 :     krb5_error_code ret;
      45           0 :     krb5_ssize_t ssize;
      46           0 :     krb5_storage *sp;
      47           0 :     size_t size;
      48           0 :     size_t i;
      49             : 
      50        1556 :     sp = krb5_storage_emem();
      51        1556 :     if (sp == NULL)
      52           0 :         return krb5_enomem(context);
      53        1556 :     krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE);
      54        1556 :     ret = krb5_store_int32(sp, self->name.name_type);
      55        1556 :     if (ret) {
      56           0 :         krb5_clear_error_message(context);
      57           0 :         return ret;
      58             :     }
      59        3240 :     for (i = 0; i < self->name.name_string.len; i++) {
      60        1684 :         size = strlen(self->name.name_string.val[i]);
      61        1684 :         ssize = krb5_storage_write(sp, self->name.name_string.val[i], size);
      62        1684 :         if (ssize != (krb5_ssize_t)size)
      63           0 :             return krb5_enomem(context);
      64             :     }
      65        1556 :     size = strlen(self->realm);
      66        1556 :     ssize = krb5_storage_write(sp, self->realm, size);
      67        1556 :     if (ssize != (krb5_ssize_t)size)
      68           0 :         return krb5_enomem(context);
      69        1556 :     size = strlen(self->auth);
      70        1556 :     ssize = krb5_storage_write(sp, self->auth, size);
      71        1556 :     if (ssize != (krb5_ssize_t)size)
      72           0 :         return krb5_enomem(context);
      73             : 
      74        1556 :     ret = krb5_storage_to_data(sp, data);
      75        1556 :     krb5_storage_free(sp);
      76        1556 :     return ret;
      77             : }
      78             : 
      79             : KRB5_LIB_FUNCTION void KRB5_LIB_CALL
      80           0 : _krb5_debug_backtrace(krb5_context context)
      81             : {
      82             : #if defined(HAVE_BACKTRACE) && defined(HAVE_BACKTRACE_SYMBOLS) && !defined(HEIMDAL_SMALLER)
      83           0 :     void *stack[128];
      84           0 :     char **strs = NULL;
      85           0 :     int i, frames = backtrace(stack, sizeof(stack) / sizeof(stack[0]));
      86           0 :     if (frames > 0)
      87           0 :         strs = backtrace_symbols(stack, frames);
      88           0 :     if (strs) {
      89           0 :         for (i = 0; i < frames; i++)
      90           0 :             _krb5_debug(context, 10, "frame %d: %s", i, strs[i]);
      91           0 :         free(strs);
      92             :     }
      93             : #endif
      94           0 : }
      95             : 
      96             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      97           0 : _krb5_einval(krb5_context context, const char *func, unsigned long argn)
      98             : {
      99             : #ifndef HEIMDAL_SMALLER
     100           0 :     krb5_set_error_message(context, EINVAL,
     101           0 :                            N_("programmer error: invalid argument to %s argument %lu",
     102             :                               "function:line"),
     103             :                            func, argn);
     104           0 :     if (_krb5_have_debug(context, 10)) {
     105           0 :         _krb5_debug(context, 10, "invalid argument to function %s argument %lu",
     106             :                     func, argn);
     107           0 :         _krb5_debug_backtrace(context);
     108             :     }
     109             : #endif
     110           0 :     return EINVAL;
     111             : }