2 * Copyright (c) 2006 - 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @page page_error Hx509 error reporting functions
39 * See the library functions here: @ref hx509_error
42 struct hx509_error_data
{
49 * Resets the error strings the hx509 context.
51 * @param context A hx509 context.
53 * @ingroup hx509_error
56 HX509_LIB_FUNCTION
void HX509_LIB_CALL
57 hx509_clear_error_string(hx509_context context
)
60 heim_release(context
->error
);
61 context
->error
= NULL
;
66 * Add an error message to the hx509 context.
68 * @param context A hx509 context.
70 * - HX509_ERROR_APPEND appends the error string to the old messages
72 * @param code error code related to error message
73 * @param fmt error message format
74 * @param ap arguments to error message format
76 * @ingroup hx509_error
79 HX509_LIB_FUNCTION
void HX509_LIB_CALL
80 hx509_set_error_stringv(hx509_context context
, int flags
, int code
,
81 const char *fmt
, va_list ap
)
88 msg
= heim_error_createv(code
, fmt
, ap
);
90 if (flags
& HX509_ERROR_APPEND
)
91 heim_error_append(msg
, context
->error
);
92 heim_release(context
->error
);
98 * See hx509_set_error_stringv().
100 * @param context A hx509 context.
102 * - HX509_ERROR_APPEND appends the error string to the old messages
104 * @param code error code related to error message
105 * @param fmt error message format
106 * @param ... arguments to error message format
108 * @ingroup hx509_error
111 HX509_LIB_FUNCTION
void HX509_LIB_CALL
112 hx509_set_error_string(hx509_context context
, int flags
, int code
,
113 const char *fmt
, ...)
118 hx509_set_error_stringv(context
, flags
, code
, fmt
, ap
);
123 * Sets ENOMEM as the error on a hx509 context.
125 * @param context A hx509 context.
127 * @ingroup hx509_error
130 HX509_LIB_FUNCTION
int HX509_LIB_CALL
131 hx509_enomem(hx509_context context
)
133 return heim_enomem(context
->hcontext
);
137 * Get an error string from context associated with error_code.
139 * @param context A hx509 context.
140 * @param error_code Get error message for this error code.
142 * @return error string, free with hx509_free_error_string().
144 * @ingroup hx509_error
147 HX509_LIB_FUNCTION
char * HX509_LIB_CALL
148 hx509_get_error_string(hx509_context context
, int error_code
)
150 heim_string_t s
= NULL
;
151 const char *cstr
= NULL
;
155 if (context
->error
&&
156 heim_error_get_code(context
->error
) == error_code
&&
157 (s
= heim_error_copy_string(context
->error
)))
158 cstr
= heim_string_get_utf8(s
);
161 cstr
= com_right(context
->et_list
, error_code
);
163 if (cstr
== NULL
&& error_code
> -1)
164 cstr
= strerror(error_code
);
165 } /* else this could be an error in hx509_context_init() */
168 cstr
= error_message(error_code
); /* never returns NULL */
176 * Free error string returned by hx509_get_error_string().
178 * @param str error string to free.
180 * @ingroup hx509_error
183 HX509_LIB_FUNCTION
void HX509_LIB_CALL
184 hx509_free_error_string(char *str
)
190 * Print error message and fatally exit from error code
192 * @param context A hx509 context.
193 * @param exit_code exit() code from process.
194 * @param error_code Error code for the reason to exit.
195 * @param fmt format string with the exit message.
196 * @param ... argument to format string.
198 * @ingroup hx509_error
201 HX509_LIB_NORETURN_FUNCTION
202 __attribute__ ((__noreturn__
, __format__ (__printf__
, 4, 5)))
204 hx509_err(hx509_context context
, int exit_code
,
205 int error_code
, const char *fmt
, ...)
213 ret
= vasprintf(&str
, fmt
, ap
);
215 msg
= hx509_get_error_string(context
, error_code
);
219 errx(exit_code
, "%s: %s", ret
!= -1 ? str
: "ENOMEM", msg
);