2 * Copyright (c) 1997 - 2001 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
34 #include "krb5_locl.h"
37 static krb5_error_code
_warnerr(krb5_context context
, int do_errtext
,
38 krb5_error_code code
, int level
, const char *fmt
, va_list ap
)
39 __attribute__((__format__(__printf__
, 5, 0)));
41 static krb5_error_code
42 _warnerr(krb5_context context
, int do_errtext
,
43 krb5_error_code code
, int level
, const char *fmt
, va_list ap
)
46 const char *args
[2], **arg
;
48 const char *err_str
= NULL
;
51 args
[0] = args
[1] = NULL
;
54 strlcat(xfmt
, "%s", sizeof(xfmt
));
56 strlcat(xfmt
, ": ", sizeof(xfmt
));
57 ret
= vasprintf(&msg
, fmt
, ap
);
58 if(ret
< 0 || msg
== NULL
)
62 if(context
&& do_errtext
){
63 strlcat(xfmt
, "%s", sizeof(xfmt
));
65 err_str
= krb5_get_error_message(context
, code
);
66 if (err_str
!= NULL
) {
69 *arg
= "<unknown error>";
73 if(context
&& context
->warn_dest
)
74 krb5_log(context
, context
->warn_dest
, level
, xfmt
, args
[0], args
[1]);
76 warnx(xfmt
, args
[0], args
[1]);
78 krb5_free_error_message(context
, err_str
);
82 #define FUNC(ETEXT, CODE, LEVEL) \
83 krb5_error_code ret; \
86 ret = _warnerr(context, ETEXT, CODE, LEVEL, fmt, ap); \
90 #define __attribute__(X)
93 * Log a warning to the log, default stderr, include the error from
96 * @param context A Kerberos 5 context.
97 * @param code error code of the last error
98 * @param fmt message to print
101 * @ingroup krb5_error
104 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
105 krb5_vwarn(krb5_context context
, krb5_error_code code
,
106 const char *fmt
, va_list ap
)
107 __attribute__ ((format (printf
, 3, 0)))
109 return _warnerr(context
, 1, code
, 1, fmt
, ap
);
113 * Log a warning to the log, default stderr, include the error from
116 * @param context A Kerberos 5 context.
117 * @param code error code of the last error
118 * @param fmt message to print
120 * @ingroup krb5_error
123 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
124 krb5_warn(krb5_context context
, krb5_error_code code
, const char *fmt
, ...)
125 __attribute__ ((format (printf
, 3, 4)))
132 * Log a warning to the log, default stderr.
134 * @param context A Kerberos 5 context.
135 * @param fmt message to print
136 * @param ap arguments
138 * @ingroup krb5_error
141 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
142 krb5_vwarnx(krb5_context context
, const char *fmt
, va_list ap
)
143 __attribute__ ((format (printf
, 2, 0)))
145 return _warnerr(context
, 0, 0, 1, fmt
, ap
);
149 * Log a warning to the log, default stderr.
151 * @param context A Kerberos 5 context.
152 * @param fmt message to print
154 * @ingroup krb5_error
157 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
158 krb5_warnx(krb5_context context
, const char *fmt
, ...)
159 __attribute__ ((format (printf
, 2, 3)))
166 * Log a warning to the log, default stderr, include bthe error from
167 * the last failure and then exit.
169 * @param context A Kerberos 5 context
170 * @param eval the exit code to exit with
171 * @param code error code of the last error
172 * @param fmt message to print
173 * @param ap arguments
175 * @ingroup krb5_error
178 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
179 krb5_verr(krb5_context context
, int eval
, krb5_error_code code
,
180 const char *fmt
, va_list ap
)
181 __attribute__ ((noreturn
, format (printf
, 4, 0)))
183 _warnerr(context
, 1, code
, 0, fmt
, ap
);
185 UNREACHABLE(return 0);
189 * Log a warning to the log, default stderr, include bthe error from
190 * the last failure and then exit.
192 * @param context A Kerberos 5 context
193 * @param eval the exit code to exit with
194 * @param code error code of the last error
195 * @param fmt message to print
197 * @ingroup krb5_error
200 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
201 krb5_err(krb5_context context
, int eval
, krb5_error_code code
,
202 const char *fmt
, ...)
203 __attribute__ ((noreturn
, format (printf
, 4, 5)))
207 UNREACHABLE(return 0);
211 * Log a warning to the log, default stderr, and then exit.
213 * @param context A Kerberos 5 context
214 * @param eval the exit code to exit with
215 * @param fmt message to print
216 * @param ap arguments
218 * @ingroup krb5_error
221 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
222 krb5_verrx(krb5_context context
, int eval
, const char *fmt
, va_list ap
)
223 __attribute__ ((noreturn
, format (printf
, 3, 0)))
225 _warnerr(context
, 0, 0, 0, fmt
, ap
);
227 UNREACHABLE(return 0);
231 * Log a warning to the log, default stderr, and then exit.
233 * @param context A Kerberos 5 context
234 * @param eval the exit code to exit with
235 * @param fmt message to print
237 * @ingroup krb5_error
240 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
241 krb5_errx(krb5_context context
, int eval
, const char *fmt
, ...)
242 __attribute__ ((noreturn
, format (printf
, 3, 4)))
246 UNREACHABLE(return 0);
250 * Log a warning to the log, default stderr, include bthe error from
251 * the last failure and then abort.
253 * @param context A Kerberos 5 context
254 * @param code error code of the last error
255 * @param fmt message to print
256 * @param ap arguments
258 * @ingroup krb5_error
261 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
262 krb5_vabort(krb5_context context
, krb5_error_code code
,
263 const char *fmt
, va_list ap
)
264 __attribute__ ((noreturn
, format (printf
, 3, 0)))
266 _warnerr(context
, 1, code
, 0, fmt
, ap
);
268 UNREACHABLE(return 0);
272 * Log a warning to the log, default stderr, include the error from
273 * the last failure and then abort.
275 * @param context A Kerberos 5 context
276 * @param code error code of the last error
277 * @param fmt message to print
279 * @ingroup krb5_error
282 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
283 krb5_abort(krb5_context context
, krb5_error_code code
, const char *fmt
, ...)
284 __attribute__ ((noreturn
, format (printf
, 3, 4)))
288 UNREACHABLE(return 0);
291 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
292 krb5_vabortx(krb5_context context
, const char *fmt
, va_list ap
)
293 __attribute__ ((noreturn
, format (printf
, 2, 0)))
295 _warnerr(context
, 0, 0, 0, fmt
, ap
);
297 UNREACHABLE(return 0);
301 * Log a warning to the log, default stderr, and then abort.
303 * @param context A Kerberos 5 context
304 * @param code error code of the last error
305 * @param fmt message to print
307 * @ingroup krb5_error
310 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
311 krb5_abortx(krb5_context context
, const char *fmt
, ...)
312 __attribute__ ((noreturn
, format (printf
, 2, 3)))
316 UNREACHABLE(return 0);
320 * Set the default logging facility.
322 * @param context A Kerberos 5 context
323 * @param fac Facility to use for logging.
325 * @ingroup krb5_error
328 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
329 krb5_set_warn_dest(krb5_context context
, krb5_log_facility
*fac
)
331 context
->warn_dest
= fac
;
336 * Get the default logging facility.
338 * @param context A Kerberos 5 context
340 * @ingroup krb5_error
343 KRB5_LIB_FUNCTION krb5_log_facility
* KRB5_LIB_CALL
344 krb5_get_warn_dest(krb5_context context
)
346 return context
->warn_dest
;