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
_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 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
krb5_enomem(krb5_context context)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
_krb5_debug_backtrace(krb5_context context)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
_krb5_einval(krb5_context context,const char * func,unsigned long argn)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