1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 2001, 2003, 2005 - 2020 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 "baselocl.h"
#undef __attribute__
#define __attribute__(x)
void
heim_clear_error_message(heim_context context)
{
if (context->error_string)
free(context->error_string);
context->error_code = 0;
context->error_string = NULL;
}
void
heim_set_error_message(heim_context context, heim_error_code ret,
const char *fmt, ...)
__attribute__ ((__format__ (__printf__, 3, 4)))
{
va_list ap;
va_start(ap, fmt);
heim_vset_error_message(context, ret, fmt, ap);
va_end(ap);
}
void
heim_vset_error_message(heim_context context, heim_error_code ret,
const char *fmt, va_list args)
__attribute__ ((__format__ (__printf__, 3, 0)))
{
int r;
if (context == NULL)
return;
if (context->error_string) {
free(context->error_string);
context->error_string = NULL;
}
context->error_code = ret;
r = vasprintf(&context->error_string, fmt, args);
if (r < 0)
context->error_string = NULL;
if (context->error_string)
heim_debug(context, 200, "error message: %s: %d", context->error_string, ret);
}
void
heim_prepend_error_message(heim_context context, heim_error_code ret,
const char *fmt, ...)
__attribute__ ((__format__ (__printf__, 3, 4)))
{
va_list ap;
va_start(ap, fmt);
heim_vprepend_error_message(context, ret, fmt, ap);
va_end(ap);
}
void
heim_vprepend_error_message(heim_context context, heim_error_code ret,
const char *fmt, va_list args)
__attribute__ ((__format__ (__printf__, 3, 0)))
{
char *str = NULL, *str2 = NULL;
if (context == NULL || context->error_code != ret ||
vasprintf(&str, fmt, args) < 0 || str == NULL)
return;
if (context->error_string) {
int e;
e = asprintf(&str2, "%s: %s", str, context->error_string);
free(context->error_string);
if (e < 0 || str2 == NULL)
context->error_string = NULL;
else
context->error_string = str2;
free(str);
} else
context->error_string = str;
}
const char *
heim_get_error_message(heim_context context, heim_error_code code)
{
const char *cstr = NULL;
char *str = NULL;
char buf[128];
int free_context = 0;
if (code == 0)
return strdup("Success");
/*
* The MIT version of this function ignores the krb5_context
* and several widely deployed applications call krb5_get_error_message()
* with a NULL context in order to translate an error code as a
* replacement for error_message(). Another reason a NULL context
* might be provided is if the krb5_init_context() call itself
* failed.
*/
if (context &&
context->error_string &&
(code == context->error_code || context->error_code == 0) &&
(cstr = strdup(context->error_string)))
return cstr;
if (context == NULL && (context = heim_context_init()))
free_context = 1;
if (context)
cstr = com_right_r(context->et_list, code, buf, sizeof(buf));
if (free_context)
heim_context_free(&context);
if (cstr || (cstr = error_message(code)))
return strdup(cstr);
if (asprintf(&str, "<unknown error: %d>", (int)code) == -1 || str == NULL)
return NULL;
return str;
}
const char *
heim_get_error_string(heim_context context)
{
if (context && context->error_string)
return strdup(context->error_string);
return NULL;
}
int
heim_have_error_string(heim_context context)
{
return context->error_string != NULL;
}
void
heim_free_error_message(heim_context context, const char *msg)
{
free(rk_UNCONST(msg));
}
|
