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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* http_log.c: Dealing with the logs and errors
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#include "apr_general.h" /* for signal stuff */
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#include "apr_strings.h"
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#include "apr_errno.h"
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#include "apr_thread_proc.h"
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#include "apr_signal.h"
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#define APR_WANT_STDIO
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#define APR_WANT_STRFUNC
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#include "ap_config.h"
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#include "http_config.h"
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#include "http_core.h"
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#include "http_main.h"
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#include "util_time.h"
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APR_HOOK_LINK(error_log)
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int AP_DECLARE_DATA ap_default_loglevel = DEFAULT_LOGLEVEL;
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static const TRANS facilities[] = {
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{"authpriv",LOG_AUTHPRIV},
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{"daemon", LOG_DAEMON},
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{"syslog", LOG_SYSLOG},
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{"local0", LOG_LOCAL0},
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{"local1", LOG_LOCAL1},
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{"local2", LOG_LOCAL2},
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{"local3", LOG_LOCAL3},
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{"local4", LOG_LOCAL4},
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{"local5", LOG_LOCAL5},
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{"local6", LOG_LOCAL6},
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{"local7", LOG_LOCAL7},
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static const TRANS priorities[] = {
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{"emerg", APLOG_EMERG},
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{"alert", APLOG_ALERT},
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{"crit", APLOG_CRIT},
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{"error", APLOG_ERR},
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{"warn", APLOG_WARNING},
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{"notice", APLOG_NOTICE},
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{"info", APLOG_INFO},
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{"debug", APLOG_DEBUG},
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static apr_file_t *stderr_log = NULL;
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/* track pipe handles to close in child process */
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typedef struct read_handle_t {
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struct read_handle_t *next;
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static read_handle_t *read_handles;
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/* clear_handle_list() is called when plog is cleared; at that
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* point we need to forget about our old list of pipe read
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static apr_status_t clear_handle_list(void *v)
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/* remember to close this handle in the child process */
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static void close_handle_in_child(apr_pool_t *p, apr_file_t *f)
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read_handle_t *new_handle;
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new_handle = apr_pcalloc(p, sizeof(read_handle_t));
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new_handle->next = read_handles;
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new_handle->handle = f;
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read_handles = new_handle;
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void ap_logs_child_init(apr_pool_t *p, server_rec *s)
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read_handle_t *cur = read_handles;
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apr_file_close(cur->handle);
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AP_DECLARE(void) ap_open_stderr_log(apr_pool_t *p)
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apr_file_open_stderr(&stderr_log, p);
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AP_DECLARE(apr_status_t) ap_replace_stderr_log(apr_pool_t *p,
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apr_file_t *stderr_file;
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char *filename = ap_server_root_relative(p, fname);
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ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT,
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APR_EBADPATH, NULL, "Invalid -E error log file %s",
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if ((rc = apr_file_open(&stderr_file, filename,
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APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
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APR_OS_DEFAULT, p)) != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
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"%s: could not open error log file %s.",
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ap_server_argv0, fname);
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if ((rc = apr_file_open_stderr(&stderr_log, p)) == APR_SUCCESS) {
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apr_file_flush(stderr_log);
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if ((rc = apr_file_dup2(stderr_log, stderr_file, p)) == APR_SUCCESS) {
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apr_file_close(stderr_file);
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if (rc != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_CRIT, rc, NULL,
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"unable to replace stderr with error_log");
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static void log_child_errfn(apr_pool_t *pool, apr_status_t err,
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const char *description)
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ap_log_error(APLOG_MARK, APLOG_ERR, err, NULL,
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static int log_child(apr_pool_t *p, const char *progname,
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/* Child process code for 'ErrorLog "|..."';
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* may want a common framework for this, since I expect it will
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* be common for other foo-loggers to want this sort of thing...
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apr_procattr_t *procattr;
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if (((rc = apr_procattr_create(&procattr, p)) == APR_SUCCESS)
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&& ((rc = apr_procattr_cmdtype_set(procattr,
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APR_SHELLCMD_ENV)) == APR_SUCCESS)
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&& ((rc = apr_procattr_io_set(procattr,
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APR_NO_PIPE)) == APR_SUCCESS)
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&& ((rc = apr_procattr_error_check_set(procattr, 1)) == APR_SUCCESS)
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&& ((rc = apr_procattr_child_errfn_set(procattr, log_child_errfn)) == APR_SUCCESS)) {
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apr_tokenize_to_argv(progname, &args, p);
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pname = apr_pstrdup(p, args[0]);
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procnew = (apr_proc_t *)apr_pcalloc(p, sizeof(*procnew));
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rc = apr_proc_create(procnew, pname, (const char * const *)args,
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if (rc == APR_SUCCESS) {
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apr_pool_note_subprocess(p, procnew, APR_KILL_AFTER_TIMEOUT);
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(*fpin) = procnew->in;
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/* read handle to pipe not kept open, so no need to call
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* close_handle_in_child()
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static int open_error_log(server_rec *s, apr_pool_t *p)
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if (*s->error_fname == '|') {
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apr_file_t *dummy = NULL;
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/* This starts a new process... */
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rc = log_child (p, s->error_fname + 1, &dummy);
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if (rc != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
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"Couldn't start ErrorLog process");
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s->error_log = dummy;
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else if (!strncasecmp(s->error_fname, "syslog", 6)) {
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if ((fname = strchr(s->error_fname, ':'))) {
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for (fac = facilities; fac->t_name; fac++) {
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if (!strcasecmp(fname, fac->t_name)) {
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openlog(ap_server_argv0, LOG_NDELAY|LOG_CONS|LOG_PID,
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openlog(ap_server_argv0, LOG_NDELAY|LOG_CONS|LOG_PID, LOG_LOCAL7);
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fname = ap_server_root_relative(p, s->error_fname);
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ap_log_error(APLOG_MARK, APLOG_STARTUP, APR_EBADPATH, NULL,
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"%s: Invalid error log path %s.",
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ap_server_argv0, s->error_fname);
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if ((rc = apr_file_open(&s->error_log, fname,
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APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
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APR_OS_DEFAULT, p)) != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
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"%s: could not open error log file %s.",
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ap_server_argv0, fname);
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int ap_open_logs(apr_pool_t *pconf, apr_pool_t *p /* plog */,
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apr_pool_t *ptemp, server_rec *s_main)
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apr_status_t rc = APR_SUCCESS;
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server_rec *virt, *q;
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apr_file_t *errfile = NULL;
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apr_pool_cleanup_register(p, NULL, clear_handle_list,
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apr_pool_cleanup_null);
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if (open_error_log(s_main, p) != OK) {
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if (s_main->error_log) {
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/* replace stderr with this new log */
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apr_file_flush(s_main->error_log);
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if ((rc = apr_file_open_stderr(&errfile, p)) == APR_SUCCESS) {
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rc = apr_file_dup2(errfile, s_main->error_log, p);
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if (rc != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_CRIT, rc, s_main,
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"unable to replace stderr with error_log");
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/* note that stderr may still need to be replaced with something
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* because it points to the old error log, or back to the tty
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* XXX: This is BS - /dev/null is non-portable
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if (replace_stderr && freopen("/dev/null", "w", stderr) == NULL) {
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ap_log_error(APLOG_MARK, APLOG_CRIT, errno, s_main,
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"unable to replace stderr with /dev/null");
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for (virt = s_main->next; virt; virt = virt->next) {
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if (virt->error_fname) {
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for (q=s_main; q != virt; q = q->next) {
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if (q->error_fname != NULL
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&& strcmp(q->error_fname, virt->error_fname) == 0) {
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if (open_error_log(virt, p) != OK) {
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virt->error_log = q->error_log;
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virt->error_log = s_main->error_log;
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AP_DECLARE(void) ap_error_log2stderr(server_rec *s) {
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apr_file_t *errfile = NULL;
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apr_file_open_stderr(&errfile, s->process->pool);
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if (s->error_log != NULL) {
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apr_file_dup2(s->error_log, errfile, s->process->pool);
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static void log_error_core(const char *file, int line, int level,
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apr_status_t status, const server_rec *s,
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const request_rec *r, apr_pool_t *pool,
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const char *fmt, va_list args)
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char errstr[MAX_STRING_LEN];
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#ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
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char scratch[MAX_STRING_LEN];
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apr_size_t len, errstrlen;
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apr_file_t *logf = NULL;
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int level_and_mask = level & APLOG_LEVELMASK;
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if (r && r->connection) {
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* If we are doing stderr logging (startup), don't log messages that are
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* above the default server log level unless it is a startup/shutdown
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if ((level_and_mask != APLOG_NOTICE)
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&& (level_and_mask > ap_default_loglevel)) {
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else if (s->error_log) {
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* If we are doing normal logging, don't log messages that are
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* above the server log level unless it is a startup/shutdown notice
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if ((level_and_mask != APLOG_NOTICE)
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&& (level_and_mask > s->loglevel)) {
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else if (tpf_child) {
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* If we are doing normal logging, don't log messages that are
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* above the server log level unless it is a startup/shutdown notice
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if ((level_and_mask != APLOG_NOTICE)
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&& (level_and_mask > s->loglevel)) {
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* If we are doing syslog logging, don't log messages that are
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* above the server log level (including a startup/shutdown notice)
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if (level_and_mask > s->loglevel) {
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if (logf && ((level & APLOG_STARTUP) != APLOG_STARTUP)) {
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ap_recent_ctime(errstr + 1, apr_time_now());
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errstr[1 + APR_CTIME_LEN - 1] = ']';
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errstr[1 + APR_CTIME_LEN ] = ' ';
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len = 1 + APR_CTIME_LEN + 1;
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if ((level & APLOG_STARTUP) != APLOG_STARTUP) {
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"[%s] ", priorities[level_and_mask].t_name);
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if (file && level_and_mask == APLOG_DEBUG) {
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#if defined(_OSD_POSIX) || defined(WIN32) || defined(__MVS__)
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char *e = strrchr(file, '/');
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e = strrchr(file, '\\');
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/* In OSD/POSIX, the compiler returns for __FILE__
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* a string like: __FILE__="*POSIX(/usr/include/stdio.h)"
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* (it even returns an absolute path for sources in
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* the current directory). Here we try to strip this
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* down to the basename.
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if (e != NULL && e[1] != '\0') {
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apr_snprintf(tmp, sizeof(tmp), "%s", &e[1]);
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e = &tmp[strlen(tmp)-1];
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#else /* _OSD_POSIX || WIN32 */
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/* On Unix, __FILE__ may be an absolute path in a
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if (file[0] == '/' && (p = ap_strrchr_c(file, '/')) != NULL) {
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#endif /*_OSD_POSIX || WIN32 */
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"%s(%d): ", file, line);
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/* XXX: TODO: add a method of selecting whether logged client
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* addresses are in dotted quad or resolved form... dotted
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* quad is the most secure, which is why I'm implementing it
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"[client %s] ", c->remote_ip);
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if (status < APR_OS_START_EAIERR) {
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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else if (status < APR_OS_START_SYSERR) {
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"(EAI %d)", status - APR_OS_START_EAIERR);
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else if (status < 100000 + APR_OS_START_SYSERR) {
544
len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"(OS %d)", status - APR_OS_START_SYSERR);
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len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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"(os 0x%08x)", status - APR_OS_START_SYSERR);
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apr_strerror(status, errstr + len, MAX_STRING_LEN - len);
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len += strlen(errstr + len);
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if (MAX_STRING_LEN - len > 2) {
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#ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
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if (apr_vsnprintf(scratch, MAX_STRING_LEN - len, fmt, args)) {
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len += ap_escape_errorlog_item(errstr + len, scratch,
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MAX_STRING_LEN - len);
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len += apr_vsnprintf(errstr + len, MAX_STRING_LEN - len, fmt, args);
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if ( r && (referer = apr_table_get(r->headers_in, "Referer"))
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#ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
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&& ap_escape_errorlog_item(scratch, referer, MAX_STRING_LEN - len)
575
len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
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#ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
585
/* NULL if we are logging to syslog */
587
/* Truncate for the terminator (as apr_snprintf does) */
588
if (len > MAX_STRING_LEN - sizeof(APR_EOL_STR)) {
589
len = MAX_STRING_LEN - sizeof(APR_EOL_STR);
591
strcpy(errstr + len, APR_EOL_STR);
592
apr_file_puts(errstr, logf);
593
apr_file_flush(logf);
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syslog(level_and_mask, "%s", errstr);
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ap_run_error_log(file, line, level, status, s, r, pool, errstr + errstrlen);
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AP_DECLARE(void) ap_log_error(const char *file, int line, int level,
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apr_status_t status, const server_rec *s,
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const char *fmt, ...)
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log_error_core(file, line, level, status, s, NULL, NULL, NULL, fmt, args);
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AP_DECLARE(void) ap_log_perror(const char *file, int line, int level,
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apr_status_t status, apr_pool_t *p,
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const char *fmt, ...)
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log_error_core(file, line, level, status, NULL, NULL, NULL, p, fmt, args);
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AP_DECLARE(void) ap_log_rerror(const char *file, int line, int level,
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apr_status_t status, const request_rec *r,
628
const char *fmt, ...)
633
log_error_core(file, line, level, status, r->server, NULL, r, NULL, fmt,
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* IF APLOG_TOCLIENT is set,
638
* AND the error level is 'warning' or more severe,
639
* AND there isn't already error text associated with this request,
640
* THEN make the message text available to ErrorDocument and
641
* other error processors.
645
if ((level & APLOG_TOCLIENT)
646
&& ((level & APLOG_LEVELMASK) <= APLOG_WARNING)
647
&& (apr_table_get(r->notes, "error-notes") == NULL)) {
648
apr_table_setn(r->notes, "error-notes",
649
ap_escape_html(r->pool, apr_pvsprintf(r->pool, fmt,
655
AP_DECLARE(void) ap_log_cerror(const char *file, int line, int level,
656
apr_status_t status, const conn_rec *c,
657
const char *fmt, ...)
662
log_error_core(file, line, level, status, c->base_server, c, NULL, NULL,
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AP_DECLARE(void) ap_log_pid(apr_pool_t *p, const char *filename)
669
apr_file_t *pid_file = NULL;
671
static pid_t saved_pid = -1;
680
fname = ap_server_root_relative(p, filename);
682
ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, APR_EBADPATH,
683
NULL, "Invalid PID file path %s, ignoring.", filename);
688
if (mypid != saved_pid
689
&& apr_stat(&finfo, fname, APR_FINFO_MTIME, p) == APR_SUCCESS) {
690
/* AP_SIG_GRACEFUL and HUP call this on each restart.
691
* Only warn on first time through for this pid.
693
* XXX: Could just write first time through too, although
694
* that may screw up scripts written to do something
695
* based on the last modification time of the pid file.
697
ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, p,
698
"pid file %s overwritten -- Unclean "
699
"shutdown of previous Apache run?",
703
if ((rv = apr_file_open(&pid_file, fname,
704
APR_WRITE | APR_CREATE | APR_TRUNCATE,
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APR_UREAD | APR_UWRITE | APR_GREAD | APR_WREAD, p))
707
ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL,
708
"could not create %s", fname);
709
ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
710
"%s: could not log pid to file %s",
711
ap_server_argv0, fname);
714
apr_file_printf(pid_file, "%ld" APR_EOL_STR, (long)mypid);
715
apr_file_close(pid_file);
719
AP_DECLARE(apr_status_t) ap_read_pid(apr_pool_t *p, const char *filename,
722
const apr_size_t BUFFER_SIZE = sizeof(long) * 3 + 2; /* see apr_ltoa */
723
apr_file_t *pid_file = NULL;
727
apr_size_t bytes_read;
733
fname = ap_server_root_relative(p, filename);
735
ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, APR_EBADPATH,
736
NULL, "Invalid PID file path %s, ignoring.", filename);
740
rv = apr_file_open(&pid_file, fname, APR_READ, APR_OS_DEFAULT, p);
741
if (rv != APR_SUCCESS) {
745
buf = apr_palloc(p, BUFFER_SIZE);
747
rv = apr_file_read_full(pid_file, buf, BUFFER_SIZE - 1, &bytes_read);
748
if (rv != APR_SUCCESS && rv != APR_EOF) {
752
/* If we fill the buffer, we're probably reading a corrupt pid file.
753
* To be nice, let's also ensure the first char is a digit. */
754
if (bytes_read == 0 || bytes_read == BUFFER_SIZE - 1 || !apr_isdigit(*buf)) {
758
buf[bytes_read] = '\0';
759
*mypid = strtol(buf, &endptr, 10);
761
apr_file_close(pid_file);
765
AP_DECLARE(void) ap_log_assert(const char *szExp, const char *szFile,
768
char time_str[APR_CTIME_LEN];
770
apr_ctime(time_str, apr_time_now());
771
ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL,
772
"[%s] file %s, line %d, assertion \"%s\" failed",
773
time_str, szFile, nLine, szExp);
777
/* unix assert does an abort leading to a core dump */
782
/* piped log support */
784
#ifdef AP_HAVE_RELIABLE_PIPED_LOGS
785
/* forward declaration */
786
static void piped_log_maintenance(int reason, void *data, apr_wait_t status);
788
/* Spawn the piped logger process pl->program. */
789
static apr_status_t piped_log_spawn(piped_log *pl)
791
apr_procattr_t *procattr;
792
apr_proc_t *procnew = NULL;
795
if (((status = apr_procattr_create(&procattr, pl->p)) != APR_SUCCESS) ||
796
((status = apr_procattr_cmdtype_set(procattr,
797
APR_SHELLCMD_ENV)) != APR_SUCCESS) ||
798
((status = apr_procattr_child_in_set(procattr,
799
ap_piped_log_read_fd(pl),
800
ap_piped_log_write_fd(pl)))
802
((status = apr_procattr_child_errfn_set(procattr, log_child_errfn))
804
((status = apr_procattr_error_check_set(procattr, 1)) != APR_SUCCESS)) {
806
/* Something bad happened, give up and go away. */
807
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
808
"piped_log_spawn: unable to setup child process '%s': %s",
809
pl->program, apr_strerror(status, buf, sizeof(buf)));
815
apr_tokenize_to_argv(pl->program, &args, pl->p);
816
pname = apr_pstrdup(pl->p, args[0]);
817
procnew = apr_pcalloc(pl->p, sizeof(apr_proc_t));
818
status = apr_proc_create(procnew, pname, (const char * const *) args,
819
NULL, procattr, pl->p);
821
if (status == APR_SUCCESS) {
823
/* procnew->in was dup2'd from ap_piped_log_write_fd(pl);
824
* since the original fd is still valid, close the copy to
826
apr_file_close(procnew->in);
828
apr_proc_other_child_register(procnew, piped_log_maintenance, pl,
829
ap_piped_log_write_fd(pl), pl->p);
830
close_handle_in_child(pl->p, ap_piped_log_read_fd(pl));
834
/* Something bad happened, give up and go away. */
835
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
836
"unable to start piped log program '%s': %s",
837
pl->program, apr_strerror(status, buf, sizeof(buf)));
845
static void piped_log_maintenance(int reason, void *data, apr_wait_t status)
847
piped_log *pl = data;
852
case APR_OC_REASON_DEATH:
853
case APR_OC_REASON_LOST:
854
pl->pid = NULL; /* in case we don't get it going again, this
855
* tells other logic not to try to kill it
857
apr_proc_other_child_unregister(pl);
858
stats = ap_mpm_query(AP_MPMQ_MPM_STATE, &mpm_state);
859
if (stats != APR_SUCCESS) {
860
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
861
"can't query MPM state; not restarting "
862
"piped log program '%s'",
865
else if (mpm_state != AP_MPMQ_STOPPING) {
866
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
867
"piped log program '%s' failed unexpectedly",
869
if ((stats = piped_log_spawn(pl)) != APR_SUCCESS) {
870
/* what can we do? This could be the error log we're having
871
* problems opening up... */
873
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
874
"piped_log_maintenance: unable to respawn '%s': %s",
875
pl->program, apr_strerror(stats, buf, sizeof(buf)));
880
case APR_OC_REASON_UNWRITABLE:
881
/* We should not kill off the pipe here, since it may only be full.
882
* If it really is locked, we should kill it off manually. */
885
case APR_OC_REASON_RESTART:
886
if (pl->pid != NULL) {
887
apr_proc_kill(pl->pid, SIGTERM);
892
case APR_OC_REASON_UNREGISTER:
898
static apr_status_t piped_log_cleanup_for_exec(void *data)
900
piped_log *pl = data;
902
apr_file_close(ap_piped_log_read_fd(pl));
903
apr_file_close(ap_piped_log_write_fd(pl));
908
static apr_status_t piped_log_cleanup(void *data)
910
piped_log *pl = data;
912
if (pl->pid != NULL) {
913
apr_proc_kill(pl->pid, SIGTERM);
915
return piped_log_cleanup_for_exec(data);
919
AP_DECLARE(piped_log *) ap_open_piped_log(apr_pool_t *p, const char *program)
923
pl = apr_palloc(p, sizeof (*pl));
925
pl->program = apr_pstrdup(p, program);
927
if (apr_file_pipe_create(&ap_piped_log_read_fd(pl),
928
&ap_piped_log_write_fd(pl), p) != APR_SUCCESS) {
931
apr_pool_cleanup_register(p, pl, piped_log_cleanup,
932
piped_log_cleanup_for_exec);
933
if (piped_log_spawn(pl) != APR_SUCCESS) {
934
apr_pool_cleanup_kill(p, pl, piped_log_cleanup);
935
apr_file_close(ap_piped_log_read_fd(pl));
936
apr_file_close(ap_piped_log_write_fd(pl));
942
#else /* !AP_HAVE_RELIABLE_PIPED_LOGS */
944
static apr_status_t piped_log_cleanup(void *data)
946
piped_log *pl = data;
948
apr_file_close(ap_piped_log_write_fd(pl));
952
AP_DECLARE(piped_log *) ap_open_piped_log(apr_pool_t *p, const char *program)
955
apr_file_t *dummy = NULL;
958
rc = log_child(p, program, &dummy);
959
if (rc != APR_SUCCESS) {
960
ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
961
"Couldn't start piped log process");
965
pl = apr_palloc(p, sizeof (*pl));
967
ap_piped_log_read_fd(pl) = NULL;
968
ap_piped_log_write_fd(pl) = dummy;
969
apr_pool_cleanup_register(p, pl, piped_log_cleanup, piped_log_cleanup);
976
AP_DECLARE(void) ap_close_piped_log(piped_log *pl)
978
apr_pool_cleanup_run(pl->p, pl, piped_log_cleanup);
981
AP_IMPLEMENT_HOOK_VOID(error_log,
982
(const char *file, int line, int level,
983
apr_status_t status, const server_rec *s,
984
const request_rec *r, apr_pool_t *pool,
985
const char *errstr), (file, line, level,
986
status, s, r, pool, errstr))