1 /* $NetBSD: misc.c,v 1.1.1.2 2014/04/24 12:45:50 pettai Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Kungliga Tekniska Högskolan 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 41 KRB5_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 krb5_clear_error_message(context); 55 return ENOMEM; 56 } 57 krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE); 58 ret = krb5_store_int32(sp, self->name.name_type); 59 if (ret) 60 goto out; 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 ret = ENOMEM; 66 goto out; 67 } 68 } 69 size = strlen(self->realm); 70 ssize = krb5_storage_write(sp, self->realm, size); 71 if (ssize != (krb5_ssize_t)size) { 72 ret = ENOMEM; 73 goto out; 74 } 75 size = strlen(self->auth); 76 ssize = krb5_storage_write(sp, self->auth, size); 77 if (ssize != (krb5_ssize_t)size) { 78 ret = ENOMEM; 79 goto out; 80 } 81 82 ret = krb5_storage_to_data(sp, data); 83 krb5_storage_free(sp); 84 return ret; 85 86 out: 87 krb5_clear_error_message(context); 88 return ret; 89 } 90 91 krb5_error_code 92 krb5_enomem(krb5_context context) 93 { 94 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", "")); 95 return ENOMEM; 96 } 97 98 void 99 _krb5_debug_backtrace(krb5_context context) 100 { 101 #if defined(HAVE_BACKTRACE) && !defined(HEIMDAL_SMALLER) 102 void *stack[128]; 103 char **strs = NULL; 104 int i, frames = backtrace(stack, sizeof(stack) / sizeof(stack[0])); 105 if (frames > 0) 106 strs = backtrace_symbols(stack, frames); 107 if (strs) { 108 for (i = 0; i < frames; i++) 109 _krb5_debug(context, 10, "frame %d: %s", i, strs[i]); 110 free(strs); 111 } 112 #endif 113 } 114 115 krb5_error_code 116 _krb5_einval(krb5_context context, const char *func, unsigned long argn) 117 { 118 #ifndef HEIMDAL_SMALLER 119 krb5_set_error_message(context, EINVAL, 120 N_("programmer error: invalid argument to %s argument %lu", 121 "function:line"), 122 func, argn); 123 if (_krb5_have_debug(context, 10)) { 124 _krb5_debug(context, 10, "invalid argument to function %s argument %lu", 125 func, argn); 126 _krb5_debug_backtrace(context); 127 } 128 #endif 129 return EINVAL; 130 } 131