log.c revision 404e2e1f8ad30c2d996f5fb6b3a9a4a4a14a004b
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
/*
* http_log.c: Dealing with the logs and errors
*
* Rob McCool
*
*/
#define CORE_PRIVATE
#include "apr.h" /* for ap_signal */
#include "ap_config.h"
#include "apr_lib.h"
#include "apr_portable.h"
#include "httpd.h"
#include "http_config.h"
#include "http_core.h"
#include "http_log.h"
#include "http_main.h"
#include <stdarg.h>
typedef struct {
char *t_name;
int t_val;
} TRANS;
#ifdef HAVE_SYSLOG
static const TRANS facilities[] = {
{"auth", LOG_AUTH},
#ifdef LOG_AUTHPRIV
{"authpriv",LOG_AUTHPRIV},
#endif
#ifdef LOG_CRON
{"cron", LOG_CRON},
#endif
#ifdef LOG_DAEMON
{"daemon", LOG_DAEMON},
#endif
#ifdef LOG_FTP
{"ftp", LOG_FTP},
#endif
#ifdef LOG_KERN
{"kern", LOG_KERN},
#endif
#ifdef LOG_LPR
{"lpr", LOG_LPR},
#endif
#ifdef LOG_MAIL
{"mail", LOG_MAIL},
#endif
#ifdef LOG_NEWS
{"news", LOG_NEWS},
#endif
#ifdef LOG_SYSLOG
{"syslog", LOG_SYSLOG},
#endif
#ifdef LOG_USER
{"user", LOG_USER},
#endif
#ifdef LOG_UUCP
{"uucp", LOG_UUCP},
#endif
#ifdef LOG_LOCAL0
{"local0", LOG_LOCAL0},
#endif
#ifdef LOG_LOCAL1
{"local1", LOG_LOCAL1},
#endif
#ifdef LOG_LOCAL2
{"local2", LOG_LOCAL2},
#endif
#ifdef LOG_LOCAL3
{"local3", LOG_LOCAL3},
#endif
#ifdef LOG_LOCAL4
{"local4", LOG_LOCAL4},
#endif
#ifdef LOG_LOCAL5
{"local5", LOG_LOCAL5},
#endif
#ifdef LOG_LOCAL6
{"local6", LOG_LOCAL6},
#endif
#ifdef LOG_LOCAL7
{"local7", LOG_LOCAL7},
#endif
{NULL, -1},
};
#endif
static const TRANS priorities[] = {
{"emerg", APLOG_EMERG},
{"alert", APLOG_ALERT},
{"crit", APLOG_CRIT},
{"error", APLOG_ERR},
{"warn", APLOG_WARNING},
{"notice", APLOG_NOTICE},
{"info", APLOG_INFO},
{"debug", APLOG_DEBUG},
{NULL, -1},
};
{
/* Child process code for 'ErrorLog "|..."';
* may want a common framework for this, since I expect it will
* be common for other foo-loggers to want this sort of thing...
*/
int rc = -1;
#ifdef SIGHUP
/* No concept of a child process on Win32 */
#endif /* ndef SIGHUP */
APR_NO_PIPE) != APR_SUCCESS)) {
/* Something bad happened, give up and go away. */
rc = -1;
}
else {
if (rc == APR_SUCCESS) {
}
}
return(rc);
}
{
const char *fname;
int rc;
if (*s->error_fname == '|') {
/* This starts a new process... */
if (rc != APR_SUCCESS) {
perror("ap_spawn_child");
"Couldn't fork child for ErrorLog process");
exit(1);
}
}
#ifdef HAVE_SYSLOG
fname++;
return;
}
}
}
else
}
#endif
else {
/* Change to AP funcs. */
perror("fopen");
"%s: could not open error log file %s.",
exit(1);
}
}
}
{
server_rec *virt, *q;
int replace_stderr;
open_error_log(s_main, p);
replace_stderr = 1;
/* replace stderr with this new log */
ap_open_stderr(&errfile, p);
"unable to replace stderr with error_log");
} else {
replace_stderr = 0;
}
}
/* note that stderr may still need to be replaced with something
* because it points to the old error log, or back to the tty
* of the submitter.
*/
}
if (virt->error_fname) {
if (q->error_fname != NULL &&
break;
if (q == virt)
open_error_log(virt, p);
else
}
else
}
}
}
}
{
if (s == NULL) {
/*
* If we are doing stderr logging (startup), don't log messages that are
* notice
*/
return;
}
else if (s->error_log) {
/*
* If we are doing normal logging, don't log messages that are
*/
return;
}
#ifdef TPF
else if (tpf_child) {
/*
* If we are doing normal logging, don't log messages that are
*/
return;
}
#endif /* TPF */
else {
/*
* If we are doing syslog logging, don't log messages that are
*/
return;
}
errstr[0] = '[';
} else {
len = 0;
}
}
#ifndef TPF
#ifdef _OSD_POSIX
char tmp[256];
* (it even returns an absolute path for sources in
* the current directory). Here we try to strip this
* down to the basename.
*/
if (*e == ')')
*e = '\0';
}
#endif /*_OSD_POSIX*/
}
#endif /* TPF */
if (r && r->connection) {
/* XXX: TODO: add a method of selecting whether logged client
* addresses are in dotted quad or resolved form... dotted
* quad is the most secure, which is why I'm implementing it
* first. -djg
*/
}
/* XXX - need an APRized strerror() */
if (!(level & APLOG_NOERRNO)
&& (status != 0)) {
}
/* NULL if we are logging to syslog */
if (logf) {
/* We know that we have one more character of space available because
* the array is sized that way */
/* ap_assert(len < MAX_STRING_LEN) */
}
#ifdef HAVE_SYSLOG
else {
}
#endif
}
const char *fmt, ...)
{
}
const char *fmt, ...)
{
/*
* IF the error level is 'warning' or more severe,
* AND there isn't already error text associated with this request,
* THEN make the message text available to ErrorDocument and
* other error processors. This can be disabled by stuffing
* something, even an empty string, into the "error-notes" cell
* before calling this routine.
*/
args)));
}
}
{
#ifndef WIN32
mode_t u;
#endif
if (!fname)
return;
/* WINCH and HUP call this on each restart.
* Only warn on first time through for this pid.
*
* XXX: Could just write first time through too, although
* that may screw up scripts written to do something
* based on the last modification time of the pid file.
*/
ap_psprintf(p,
"pid file %s overwritten -- Unclean shutdown of previous Apache run?",
);
}
#ifndef WIN32
u = umask(022);
(void) umask(u | 022);
#endif
perror("fopen");
"%s: could not log pid to file %s",
exit(1);
}
#ifndef WIN32
(void) umask(u);
#endif
}
{
}
const char *msg, server_rec *s)
{
}
{
}
{
"access to %s failed for %s, reason: %s",
file,
reason);
}
{
char time_str[AP_CTIME_LEN];
"[%s] file %s, line %d, assertion \"%s\" failed",
#ifndef WIN32
/* unix assert does an abort leading to a core dump */
abort();
#else
exit(1);
#endif
}
/* piped log support */
#ifdef HAVE_RELIABLE_PIPED_LOGS
/* forward declaration */
{
int rc;
/* pjr - calls to block and unblock alarms weren't here before, was this */
/* an oversight or intentional? */
/* ap_block_alarms(); */
#ifdef SIGHUP
#endif
/* Something bad happened, give up and go away. */
"piped_log_spawn: unable to exec '%s': %s",
rc = -1;
}
else {
/* successful that the child is running. */
}
}
/* ap_unblock_alarms(); */
return 0;
}
{
switch (reason) {
case OC_REASON_DEATH:
case OC_REASON_LOST:
/* during a restart */
break;
}
/* what can we do? This could be the error log we're having
* problems opening up... */
"piped_log_maintenance: unable to respawn '%s': %s",
}
break;
case OC_REASON_UNWRITABLE:
}
break;
case OC_REASON_RESTART:
}
break;
case OC_REASON_UNREGISTER:
break;
}
}
{
}
return APR_SUCCESS;
}
{
return APR_SUCCESS;
}
{
pl->p = p;
int save_errno = errno;
errno = save_errno;
return NULL;
}
int save_errno = errno;
errno = save_errno;
return NULL;
}
return pl;
}
#else
{
return APR_SUCCESS;
}
{
int rc;
if (rc != APR_SUCCESS) {
perror("ap_spawn_child");
"Couldn't fork child for piped log process");
exit (1);
}
pl->p = p;
return pl;
}
#endif
{
}