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/*
* Copyright (c) 1997 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "krb5_locl.h"
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_s4u2self_to_checksumdata(krb5_context context,
const PA_S4U2Self *self,
krb5_data *data)
{
krb5_error_code ret;
krb5_ssize_t ssize;
krb5_storage *sp;
size_t size;
size_t i;
sp = krb5_storage_emem();
if (sp == NULL) {
krb5_clear_error_message(context);
return ENOMEM;
}
krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE);
ret = krb5_store_int32(sp, self->name.name_type);
if (ret)
goto out;
for (i = 0; i < self->name.name_string.len; i++) {
size = strlen(self->name.name_string.val[i]);
ssize = krb5_storage_write(sp, self->name.name_string.val[i], size);
if (ssize != (krb5_ssize_t)size) {
ret = ENOMEM;
goto out;
}
}
size = strlen(self->realm);
ssize = krb5_storage_write(sp, self->realm, size);
if (ssize != (krb5_ssize_t)size) {
ret = ENOMEM;
goto out;
}
size = strlen(self->auth);
ssize = krb5_storage_write(sp, self->auth, size);
if (ssize != (krb5_ssize_t)size) {
ret = ENOMEM;
goto out;
}
ret = krb5_storage_to_data(sp, data);
krb5_storage_free(sp);
return ret;
out:
krb5_clear_error_message(context);
return ret;
}
krb5_error_code
krb5_enomem(krb5_context context)
{
krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
return ENOMEM;
}
void
_krb5_debug_backtrace(krb5_context context)
{
#if defined(HAVE_BACKTRACE) && !defined(HEIMDAL_SMALLER)
void *stack[128];
char **strs = NULL;
int i, frames = backtrace(stack, sizeof(stack) / sizeof(stack[0]));
if (frames > 0)
strs = backtrace_symbols(stack, frames);
if (strs) {
for (i = 0; i < frames; i++)
_krb5_debug(context, 10, "frame %d: %s", i, strs[i]);
free(strs);
}
#endif
}
krb5_error_code
_krb5_einval(krb5_context context, const char *func, unsigned long argn)
{
#ifndef HEIMDAL_SMALLER
krb5_set_error_message(context, EINVAL,
N_("programmer error: invalid argument to %s argument %lu",
"function:line"),
func, argn);
if (_krb5_have_debug(context, 10)) {
_krb5_debug(context, 10, "invalid argument to function %s argument %lu",
func, argn);
_krb5_debug_backtrace(context);
}
#endif
return EINVAL;
}
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