1/* $NetBSD: misc.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "krb5_locl.h" 37#ifdef HAVE_EXECINFO_H 38#include <execinfo.h> 39#endif 40 41KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 42_krb5_s4u2self_to_checksumdata(krb5_context context, 43 const PA_S4U2Self *self, 44 krb5_data *data) 45{ 46 krb5_error_code ret; 47 krb5_ssize_t ssize; 48 krb5_storage *sp; 49 size_t size; 50 size_t i; 51 52 sp = krb5_storage_emem(); 53 if (sp == NULL) 54 return krb5_enomem(context); 55 krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE); 56 ret = krb5_store_int32(sp, self->name.name_type); 57 if (ret) { 58 krb5_clear_error_message(context); 59 return ret; 60 } 61 for (i = 0; i < self->name.name_string.len; i++) { 62 size = strlen(self->name.name_string.val[i]); 63 ssize = krb5_storage_write(sp, self->name.name_string.val[i], size); 64 if (ssize != (krb5_ssize_t)size) 65 return krb5_enomem(context); 66 } 67 size = strlen(self->realm); 68 ssize = krb5_storage_write(sp, self->realm, size); 69 if (ssize != (krb5_ssize_t)size) 70 return krb5_enomem(context); 71 size = strlen(self->auth); 72 ssize = krb5_storage_write(sp, self->auth, size); 73 if (ssize != (krb5_ssize_t)size) 74 return krb5_enomem(context); 75 76 ret = krb5_storage_to_data(sp, data); 77 krb5_storage_free(sp); 78 return ret; 79} 80 81KRB5_LIB_FUNCTION void KRB5_LIB_CALL 82_krb5_debug_backtrace(krb5_context context) 83{ 84#if defined(HAVE_BACKTRACE) && defined(HAVE_BACKTRACE_SYMBOLS) && !defined(HEIMDAL_SMALLER) 85 void *stack[128]; 86 char **strs = NULL; 87 int i, frames = backtrace(stack, sizeof(stack) / sizeof(stack[0])); 88 if (frames > 0) 89 strs = backtrace_symbols(stack, frames); 90 if (strs) { 91 for (i = 0; i < frames; i++) 92 _krb5_debug(context, 10, "frame %d: %s", i, strs[i]); 93 free(strs); 94 } 95#endif 96} 97 98KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 99_krb5_einval(krb5_context context, const char *func, unsigned long argn) 100{ 101#ifndef HEIMDAL_SMALLER 102 krb5_set_error_message(context, EINVAL, 103 N_("programmer error: invalid argument to %s argument %lu", 104 "function:line"), 105 func, argn); 106 if (_krb5_have_debug(context, 10)) { 107 _krb5_debug(context, 10, "invalid argument to function %s argument %lu", 108 func, argn); 109 _krb5_debug_backtrace(context); 110 } 111#endif 112 return EINVAL; 113} 114