1 /* $NetBSD: misc.c,v 1.2 2017/01/28 21:31:49 christos 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
_krb5_s4u2self_to_checksumdata(krb5_context context,const PA_S4U2Self * self,krb5_data * data)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
81 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
_krb5_debug_backtrace(krb5_context context)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
98 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_einval(krb5_context context,const char * func,unsigned long argn)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