fault: moved s3 fault.c to top level

1 files changed, 0 insertions, 381 deletions

diff --git a/source3/lib/fault.c b/source3/lib/fault.c
deleted file mode 100644
index 8bb202086e..0000000000
--- a/source3/lib/fault.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-   Critical Fault handling
-   Copyright (C) Andrew Tridgell 1992-1998
-   Copyright (C) Tim Prouty 2009
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-
-#ifdef HAVE_SYS_SYSCTL_H
-#include <sys/sysctl.h>
-#endif
-
-
-#ifdef HAVE_SYS_PRCTL_H
-#include <sys/prctl.h>
-#endif
-
-static char *corepath;
-
-/*******************************************************************
-report a fault
-********************************************************************/
-static void fault_report(int sig)
-{
-	static int counter;
-
-	if (counter) _exit(1);
-
-	counter++;
-
-	DEBUGSEP(0);
-	DEBUG(0,("INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)sys_getpid(),samba_version_string()));
-	DEBUG(0,("\nPlease read the Trouble-Shooting section of the Samba3-HOWTO\n"));
-	DEBUG(0,("\nFrom: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf\n"));
-	DEBUGSEP(0);
-  
-	smb_panic("internal error");
-
-	/* smb_panic() never returns, so this is really redundent */
-	exit(1);
-}
-
-/****************************************************************************
-catch serious errors
-****************************************************************************/
-static void sig_fault(int sig)
-{
-	fault_report(sig);
-}
-
-/*******************************************************************
-setup our fault handlers
-********************************************************************/
-void fault_setup(void)
-{
-#ifdef SIGSEGV
-	CatchSignal(SIGSEGV, sig_fault);
-#endif
-#ifdef SIGBUS
-	CatchSignal(SIGBUS, sig_fault);
-#endif
-#ifdef SIGABRT
-	CatchSignal(SIGABRT, sig_fault);
-#endif
-}
-
-/**
- * Build up the default corepath as "<logbase>/cores/<progname>"
- */
-static char *get_default_corepath(const char *logbase, const char *progname)
-{
-	char *tmp_corepath;
-
-	/* Setup core dir in logbase. */
-	tmp_corepath = talloc_asprintf(NULL, "%s/cores", logbase);
-	if (!tmp_corepath)
-		return NULL;
-
-	if ((mkdir(tmp_corepath, 0700) == -1) && errno != EEXIST)
-		goto err_out;
-
-	if (chmod(tmp_corepath, 0700) == -1)
-		goto err_out;
-
-	talloc_free(tmp_corepath);
-
-	/* Setup progname-specific core subdir */
-	tmp_corepath = talloc_asprintf(NULL, "%s/cores/%s", logbase, progname);
-	if (!tmp_corepath)
-		return NULL;
-
-	if (mkdir(tmp_corepath, 0700) == -1 && errno != EEXIST)
-		goto err_out;
-
-	if (chown(tmp_corepath, getuid(), getgid()) == -1)
-		goto err_out;
-
-	if (chmod(tmp_corepath, 0700) == -1)
-		goto err_out;
-
-	return tmp_corepath;
-
- err_out:
-	talloc_free(tmp_corepath);
-	return NULL;
-}
-
-/**
- * Get the FreeBSD corepath.
- *
- * On FreeBSD the current working directory is ignored when creating a core
- * file.  Instead the core directory is controlled via sysctl.  This consults
- * the value of "kern.corefile" so the correct corepath can be printed out
- * before dump_core() calls abort.
- */
-#if (defined(FREEBSD) && defined(HAVE_SYSCTLBYNAME))
-static char *get_freebsd_corepath(void)
-{
-	char *tmp_corepath = NULL;
-	char *end = NULL;
-	size_t len = 128;
-	int ret;
-
-	/* Loop with increasing sizes so we don't allocate too much. */
-	do {
-		if (len > 1024)  {
-			goto err_out;
-		}
-
-		tmp_corepath = (char *)talloc_realloc(NULL, tmp_corepath,
-						      char, len);
-		if (!tmp_corepath) {
-			return NULL;
-		}
-
-		ret = sysctlbyname("kern.corefile", tmp_corepath, &len, NULL,
-				   0);
-		if (ret == -1) {
-			if (errno != ENOMEM) {
-				DEBUG(0, ("sysctlbyname failed getting "
-					  "kern.corefile %s\n",
-					  strerror(errno)));
-				goto err_out;
-			}
-
-			/* Not a large enough array, try a bigger one. */
-			len = len << 1;
-		}
-	} while (ret == -1);
-
-	/* Strip off the common filename expansion */
-	if ((end = strrchr_m(tmp_corepath, '/'))) {
-		*end = '\0';
-	}
-
-	return tmp_corepath;
-
- err_out:
-	if (tmp_corepath) {
-		talloc_free(tmp_corepath);
-	}
-	return NULL;
-}
-#endif
-
-#if defined(HAVE_SYS_KERNEL_PROC_CORE_PATTERN)
-
-/**
- * Get the Linux corepath.
- *
- * On Linux the contents of /proc/sys/kernel/core_pattern indicates the
- * location of the core path.
- */
-static char *get_linux_corepath(void)
-{
-	char *end;
-	int fd;
-	char *result;
-
-	fd = open("/proc/sys/kernel/core_pattern", O_RDONLY, 0);
-	if (fd == -1) {
-		return NULL;
-	}
-
-	result = afdgets(fd, NULL, 0);
-	close(fd);
-
-	if (result == NULL) {
-		return NULL;
-	}
-
-	if (result[0] != '/') {
-		/*
-		 * No absolute path, use the default (cwd)
-		 */
-		TALLOC_FREE(result);
-		return NULL;
-	}
-	/* Strip off the common filename expansion */
-
-	end = strrchr_m(result, '/');
-
-	if ((end != result) /* this would be the only / */
-	    && (end != NULL)) {
-		*end = '\0';
-	}
-	return result;
-}
-#endif
-
-
-/**
- * Try getting system-specific corepath if one exists.
- *
- * If the system doesn't define a corepath, then the default is used.
- */
-static char *get_corepath(const char *logbase, const char *progname)
-{
-#if (defined(FREEBSD) && defined(HAVE_SYSCTLBYNAME))
-	char *tmp_corepath = NULL;
-	tmp_corepath = get_freebsd_corepath();
-
-	/* If this has been set correctly, we're done. */
-	if (tmp_corepath) {
-		return tmp_corepath;
-	}
-#endif
-
-#if defined(HAVE_SYS_KERNEL_PROC_CORE_PATTERN)
-	char *tmp_corepath = NULL;
-	tmp_corepath = get_linux_corepath();
-
-	/* If this has been set correctly, we're done. */
-	if (tmp_corepath) {
-		return tmp_corepath;
-	}
-#endif
-
-	/* Fall back to the default. */
-	return get_default_corepath(logbase, progname);
-}
-
-/*******************************************************************
-make all the preparations to safely dump a core file
-********************************************************************/
-
-void dump_core_setup(const char *progname)
-{
-	char *logbase = NULL;
-	char *end = NULL;
-
-	if (lp_logfile() && *lp_logfile()) {
-		if (asprintf(&logbase, "%s", lp_logfile()) < 0) {
-			return;
-		}
-		if ((end = strrchr_m(logbase, '/'))) {
-			*end = '\0';
-		}
-	} else {
-		/* We will end up here if the log file is given on the command
-		 * line by the -l option but the "log file" option is not set
-		 * in smb.conf.
-		 */
-		if (asprintf(&logbase, "%s", get_dyn_LOGFILEBASE()) < 0) {
-			return;
-		}
-	}
-
-	SMB_ASSERT(progname != NULL);
-
-	corepath = get_corepath(logbase, progname);
-	if (!corepath) {
-		DEBUG(0, ("Unable to setup corepath for %s: %s\n", progname,
-			  strerror(errno)));
-		goto out;
-	}
-
-
-#ifdef HAVE_GETRLIMIT
-#ifdef RLIMIT_CORE
-	{
-		struct rlimit rlp;
-		getrlimit(RLIMIT_CORE, &rlp);
-		rlp.rlim_cur = MAX(16*1024*1024,rlp.rlim_cur);
-		setrlimit(RLIMIT_CORE, &rlp);
-		getrlimit(RLIMIT_CORE, &rlp);
-		DEBUG(3,("Maximum core file size limits now %d(soft) %d(hard)\n",
-			 (int)rlp.rlim_cur,(int)rlp.rlim_max));
-	}
-#endif
-#endif
-
-	/* FIXME: if we have a core-plus-pid facility, configurably set
-	 * this up here.
-	 */
- out:
-	SAFE_FREE(logbase);
-}
-
- void dump_core(void)
-{
-	static bool called;
-
-	if (called) {
-		DEBUG(0, ("dump_core() called recursive\n"));
-		exit(1);
-	}
-	called = true;
-
-	/* Note that even if core dumping has been disabled, we still set up
-	 * the core path. This is to handle the case where core dumping is
-	 * turned on in smb.conf and the relevant daemon is not restarted.
-	 */
-	if (!lp_enable_core_files()) {
-		DEBUG(0, ("Exiting on internal error (core file administratively disabled)\n"));
-		exit(1);
-	}
-
-#if DUMP_CORE
-	/* If we're running as non root we might not be able to dump the core
-	 * file to the corepath.  There must not be an unbecome_root() before
-	 * we call abort(). */
-	if (geteuid() != sec_initial_uid()) {
-		become_root();
-	}
-
-	if (corepath == NULL) {
-		DEBUG(0, ("Can not dump core: corepath not set up\n"));
-		exit(1);
-	}
-
-	if (*corepath != '\0') {
-		/* The chdir might fail if we dump core before we finish
-		 * processing the config file.
-		 */
-		if (chdir(corepath) != 0) {
-			DEBUG(0, ("unable to change to %s\n", corepath));
-			DEBUGADD(0, ("refusing to dump core\n"));
-			exit(1);
-		}
-
-		DEBUG(0,("dumping core in %s\n", corepath));
-	}
-
-	umask(~(0700));
-	dbgflush();
-
-#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
-	/* On Linux we lose the ability to dump core when we change our user
-	 * ID. We know how to dump core safely, so let's make sure we have our
-	 * dumpable flag set.
-	 */
-	prctl(PR_SET_DUMPABLE, 1);
-#endif
-
-	/* Ensure we don't have a signal handler for abort. */
-#ifdef SIGABRT
-	CatchSignal(SIGABRT, SIG_DFL);
-#endif
-
-	abort();
-
-#else /* DUMP_CORE */
-	exit(1);
-#endif /* DUMP_CORE */
-}
-