1  /*
 2   * Copyright (c) 2011 Kungliga Tekniska Högskolan
 3   * (Royal Institute of Technology, Stockholm, Sweden).
 4   * All rights reserved.
 5   *
 6   * Portions Copyright (c) 2011 - 2013 Apple Inc. 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 "baselocl.h"
37  #include <syslog.h>
38  
39  /*
40   *
41   */
42  
43  #ifdef __APPLE_PRIVATE__
44  #pragma clang diagnostic push
45  #pragma clang diagnostic ignored "-Wlanguage-extension-token"
46  
47  const char *__crashreporter_info__ = NULL;
48  asm(".desc ___crashreporter_info__, 0x10");
49  
50  #pragma clang diagnostic pop
51  #endif
52  
53  
54  /**
55   * Abort and log the failure (using syslog)
56   */
57  
58  void
59  heim_abort(const char *fmt, ...)
60      HEIMDAL_NORETURN_ATTRIBUTE
61      HEIMDAL_PRINTF_ATTRIBUTE((printf, 1, 2))
62  {
63      va_list ap;
64      va_start(ap, fmt);
65      heim_abortv(fmt, ap);
66      va_end(ap);
67  }
68  
69  /**
70   * Abort and log the failure (using syslog)
71   */
72  
73  void
74  heim_abortv(const char *fmt, va_list ap)
75      HEIMDAL_NORETURN_ATTRIBUTE
76      HEIMDAL_PRINTF_ATTRIBUTE((printf, 1, 0))
77  {
78      char *str = NULL;
79      int ret;
80      
81      ret = vasprintf(&str, fmt, ap);
82      if (ret > 0 && str) {
83  	syslog(LOG_ERR, "heim_abort: %s", str);
84  	
85  #ifdef __APPLE_PRIVATE__
86  	__crashreporter_info__ = str;
87  #endif
88      }
89      abort();
90  }