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Diffstat (limited to 'wsutil/crash_info.c')
| -rw-r--r-- | wsutil/crash_info.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/wsutil/crash_info.c b/wsutil/crash_info.c new file mode 100644 index 00000000..bf1fc70a --- /dev/null +++ b/wsutil/crash_info.c @@ -0,0 +1,178 @@ +/* crash_info.c + * Routines to try to provide more useful information in crash dumps. + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 2006 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include "crash_info.h" + +#ifdef __APPLE__ +/* + * Copyright 2005-2012 Apple Inc. All rights reserved. + * + * IMPORTANT: This Apple software is supplied to you by Apple Computer, + * Inc. ("Apple") in consideration of your agreement to the following + * terms, and your use, installation, modification or redistribution of + * this Apple software constitutes acceptance of these terms. If you do + * not agree with these terms, please do not use, install, modify or + * redistribute this Apple software. + * + * In consideration of your agreement to abide by the following terms, and + * subject to these terms, Apple grants you a personal, non-exclusive + * license, under Apple's copyrights in this original Apple software (the + * "Apple Software"), to use, reproduce, modify and redistribute the Apple + * Software, with or without modifications, in source and/or binary forms; + * provided that if you redistribute the Apple Software in its entirety and + * without modifications, you must retain this notice and the following + * text and disclaimers in all such redistributions of the Apple Software. + * Neither the name, trademarks, service marks or logos of Apple Computer, + * Inc. may be used to endorse or promote products derived from the Apple + * Software without specific prior written permission from Apple. Except + * as expressly stated in this notice, no other rights or licenses, express + * or implied, are granted by Apple herein, including but not limited to + * any patent rights that may be infringed by your derivative works or by + * other works in which the Apple Software may be incorporated. + * + * The Apple Software is provided by Apple on an "AS IS" basis. APPLE + * MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + * THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + * OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + * + * IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + * MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + * AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + * STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> + +/* + * This used to be the way to add an application-specific string to + * crash dumps; see + * + * http://www.allocinit.net/blog/2008/01/04/application-specific-information-in-leopard-crash-reports/ + * + * It still appears to work as of OS X 10.8 (Mountain Lion). + */ +__private_extern__ char *__crashreporter_info__ = NULL; + +#if 0 +/* + * And this appears to be the new way to do it, as of Lion. + * However, if we do both, we get the message twice, so we're + * not doing this one, for now. + * + * This code was lifted from SVN trunk CUPS. + */ +#define _crc_make_getter(attr, type) (type)(gCRAnnotations.attr) +#define _crc_make_setter(attr, arg) (gCRAnnotations.attr = (uint64_t)(unsigned long)(arg)) +#define CRASH_REPORTER_CLIENT_HIDDEN __attribute__((visibility("hidden"))) +#define CRASHREPORTER_ANNOTATIONS_VERSION 4 +#define CRASHREPORTER_ANNOTATIONS_SECTION "__crash_info" + +/* + * Yes, these are all 64-bit, even on 32-bit platforms. + * + * version is presumably the version of this structure. + * + * message and message2 are reported, one after the other, + * under "Application Specific Information". + * + * signature_string is reported under "Application Specific + * Signatures". + * + * backtrace is reported under "Application Specific Backtrace". + * + * Dunno which versions are supported by which versions of macOS. + */ +struct crashreporter_annotations_t { + uint64_t version; /* unsigned long */ + uint64_t message; /* char * */ + uint64_t signature_string; /* char * */ + uint64_t backtrace; /* char * */ + uint64_t message2; /* char * */ + uint64_t thread; /* uint64_t */ + uint64_t dialog_mode; /* unsigned int */ +}; + +CRASH_REPORTER_CLIENT_HIDDEN +struct crashreporter_annotations_t gCRAnnotations + __attribute__((section("__DATA," CRASHREPORTER_ANNOTATIONS_SECTION))) = { + CRASHREPORTER_ANNOTATIONS_VERSION, /* version */ + 0, /* message */ + 0, /* signature_string */ + 0, /* backtrace */ + 0, /* message2 */ + 0, /* thread */ + 0 /* dialog_mode */ +}; + +#define CRSetCrashLogMessage(m) _crc_make_setter(message, m) +#endif /* 0 */ + +void +ws_vadd_crash_info(const char *fmt, va_list ap) +{ + char *m, *old_info, *new_info; + + m = ws_strdup_vprintf(fmt, ap); + if (__crashreporter_info__ == NULL) + __crashreporter_info__ = m; + else { + old_info = __crashreporter_info__; + new_info = ws_strdup_printf("%s\n%s", old_info, m); + g_free(m); + __crashreporter_info__ = new_info; + g_free(old_info); + } +} + +#else /* __APPLE__ */ +/* + * Perhaps Google Breakpad (http://code.google.com/p/google-breakpad/) or + * other options listed at + * http://stackoverflow.com/questions/7631908/library-for-logging-call-stack-at-runtime-windows-linux + * ? + */ +void +ws_vadd_crash_info(const char *fmt _U_, va_list ap _U_) +{ +} +#endif /* __APPLE__ */ + +void +ws_add_crash_info(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + ws_vadd_crash_info(fmt, ap); + va_end(ap); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |