| 1 | /*
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| 2 | * Copyright (c) 1997 Kungliga Tekniska Högskolan
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| 3 | * (Royal Institute of Technology, Stockholm, Sweden).
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | *
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | *
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| 17 | * 3. Neither the name of the Institute nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | */
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| 33 |
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| 34 | #include "krb5_locl.h"
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| 35 | #ifdef HAVE_EXECINFO_H
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| 36 | #include <execinfo.h>
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| 37 | #endif
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| 38 |
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| 39 | KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
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| 40 | _krb5_s4u2self_to_checksumdata(krb5_context context,
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| 41 | const PA_S4U2Self *self,
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| 42 | krb5_data *data)
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| 43 | {
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| 44 | krb5_error_code ret;
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| 45 | krb5_ssize_t ssize;
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| 46 | krb5_storage *sp;
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| 47 | size_t size;
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| 48 | size_t i;
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| 49 |
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| 50 | sp = krb5_storage_emem();
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| 51 | if (sp == NULL) {
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| 52 | krb5_clear_error_message(context);
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| 53 | return ENOMEM;
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| 54 | }
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| 55 | krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE);
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| 56 | ret = krb5_store_int32(sp, self->name.name_type);
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| 57 | if (ret)
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| 58 | goto out;
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| 59 | for (i = 0; i < self->name.name_string.len; i++) {
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| 60 | size = strlen(self->name.name_string.val[i]);
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| 61 | ssize = krb5_storage_write(sp, self->name.name_string.val[i], size);
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| 62 | if (ssize != (krb5_ssize_t)size) {
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| 63 | ret = ENOMEM;
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| 64 | goto out;
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| 65 | }
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| 66 | }
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| 67 | size = strlen(self->realm);
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| 68 | ssize = krb5_storage_write(sp, self->realm, size);
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| 69 | if (ssize != (krb5_ssize_t)size) {
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| 70 | ret = ENOMEM;
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| 71 | goto out;
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| 72 | }
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| 73 | size = strlen(self->auth);
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| 74 | ssize = krb5_storage_write(sp, self->auth, size);
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| 75 | if (ssize != (krb5_ssize_t)size) {
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| 76 | ret = ENOMEM;
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| 77 | goto out;
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| 78 | }
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| 79 |
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| 80 | ret = krb5_storage_to_data(sp, data);
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| 81 | krb5_storage_free(sp);
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| 82 | return ret;
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| 83 |
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| 84 | out:
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| 85 | krb5_clear_error_message(context);
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| 86 | return ret;
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| 87 | }
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| 88 |
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| 89 | krb5_error_code
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| 90 | krb5_enomem(krb5_context context)
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| 91 | {
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| 92 | krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
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| 93 | return ENOMEM;
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| 94 | }
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| 95 |
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| 96 | void
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| 97 | _krb5_debug_backtrace(krb5_context context)
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| 98 | {
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| 99 | #if defined(HAVE_BACKTRACE) && !defined(HEIMDAL_SMALLER)
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| 100 | void *stack[128];
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| 101 | char **strs = NULL;
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| 102 | int i, frames = backtrace(stack, sizeof(stack) / sizeof(stack[0]));
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| 103 | if (frames > 0)
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| 104 | strs = backtrace_symbols(stack, frames);
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| 105 | if (strs) {
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| 106 | for (i = 0; i < frames; i++)
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| 107 | _krb5_debug(context, 10, "frame %d: %s", i, strs[i]);
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| 108 | free(strs);
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| 109 | }
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| 110 | #endif
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| 111 | }
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| 112 |
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| 113 | krb5_error_code
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| 114 | _krb5_einval(krb5_context context, const char *func, unsigned long argn)
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| 115 | {
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| 116 | #ifndef HEIMDAL_SMALLER
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| 117 | krb5_set_error_message(context, EINVAL,
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| 118 | N_("programmer error: invalid argument to %s argument %lu",
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| 119 | "function:line"),
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| 120 | func, argn);
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| 121 | if (_krb5_have_debug(context, 10)) {
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| 122 | _krb5_debug(context, 10, "invalid argument to function %s argument %lu",
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| 123 | func, argn);
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| 124 | _krb5_debug_backtrace(context);
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| 125 | }
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| 126 | #endif
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| 127 | return EINVAL;
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| 128 | }
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