+++ /dev/null
-diff -Nur httpd-2.2.3/server/mpm/config.m4 httpd-2.2.3-peruser/server/mpm/config.m4
---- httpd-2.2.3/server/mpm/config.m4 2005-10-30 10:05:26.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/config.m4 2007-09-24 22:52:22.000000000 -0600
-@@ -1,7 +1,7 @@
- AC_MSG_CHECKING(which MPM to use)
- AC_ARG_WITH(mpm,
- APACHE_HELP_STRING(--with-mpm=MPM,Choose the process model for Apache to use.
-- MPM={beos|event|worker|prefork|mpmt_os2|metuxmpm}),[
-+ MPM={beos|event|worker|prefork|mpmt_os2|metuxmpm|peruser}),[
- APACHE_MPM=$withval
- ],[
- if test "x$APACHE_MPM" = "x"; then
-@@ -23,7 +23,7 @@
-
- ap_mpm_is_experimental ()
- {
-- if test "$apache_cv_mpm" = "event" -o "$apache_cv_mpm" = "metuxmpm"; then
-+ if test "$apache_cv_mpm" = "event" -o "$apache_cv_mpm" = "metuxmpm" -o "$apache_cv_mpm" = "peruser"; then
- return 0
- else
- return 1
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/AUTHORS httpd-2.2.3-peruser/server/mpm/experimental/peruser/AUTHORS
---- httpd-2.2.3/server/mpm/experimental/peruser/AUTHORS 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/AUTHORS 2007-09-28 17:29:01.000000000 -0600
-@@ -0,0 +1,9 @@
-+Enrico Weigelt <weigelt [at] metux.de> (MetuxMPM maintainer)
-+Sean Gabriel Heacock <gabriel [at] telana.com> (Peruser maintainer)
-+Stefan Seufert <stefan [at] seuf.de>
-+Janno Sannik <janno [at] kood.ee>
-+Taavi Sannik <taavi [at] kood.ee>
-+Rommer <rommer [at] active.by>
-+Bert <bert [at] ev6.net>
-+Leen Besselink <leen [at] consolejunkie.net>
-+Steve Amerige <mpm [at] fatbear.com>
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/Makefile.in httpd-2.2.3-peruser/server/mpm/experimental/peruser/Makefile.in
---- httpd-2.2.3/server/mpm/experimental/peruser/Makefile.in 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/Makefile.in 2007-09-28 17:29:01.000000000 -0600
-@@ -0,0 +1,5 @@
-+
-+LTLIBRARY_NAME = libperuser.la
-+LTLIBRARY_SOURCES = peruser.c
-+
-+include $(top_srcdir)/build/ltlib.mk
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/config.m4 httpd-2.2.3-peruser/server/mpm/experimental/peruser/config.m4
---- httpd-2.2.3/server/mpm/experimental/peruser/config.m4 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/config.m4 2007-09-28 17:29:01.000000000 -0600
-@@ -0,0 +1,3 @@
-+if test "$MPM_NAME" = "peruser" ; then
-+ APACHE_FAST_OUTPUT(server/mpm/experimental/$MPM_NAME/Makefile)
-+fi
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/mpm.h httpd-2.2.3-peruser/server/mpm/experimental/peruser/mpm.h
---- httpd-2.2.3/server/mpm/experimental/peruser/mpm.h 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/mpm.h 2007-09-28 17:29:01.000000000 -0600
-@@ -0,0 +1,103 @@
-+/* ====================================================================
-+ * The Apache Software License, Version 1.1
-+ *
-+ * Copyright (c) 2000-2003 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
-+ * the documentation and/or other materials provided with the
-+ * 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
-+ * <http://www.apache.org/>.
-+ *
-+ * Portions of this software are based upon public domain software
-+ * originally written at the National Center for Supercomputing Applications,
-+ * University of Illinois, Urbana-Champaign.
-+ */
-+
-+#include "httpd.h"
-+#include "mpm_default.h"
-+#include "scoreboard.h"
-+#include "unixd.h"
-+
-+#ifndef APACHE_MPM_PERUSER_H
-+#define APACHE_MPM_PERUSER_H
-+
-+#define PERUSER_MPM
-+
-+#define MPM_NAME "Peruser"
-+
-+#define AP_MPM_WANT_RECLAIM_CHILD_PROCESSES
-+#define AP_MPM_WANT_WAIT_OR_TIMEOUT
-+#define AP_MPM_WANT_PROCESS_CHILD_STATUS
-+#define AP_MPM_WANT_SET_PIDFILE
-+#define AP_MPM_WANT_SET_SCOREBOARD
-+#define AP_MPM_WANT_SET_LOCKFILE
-+#define AP_MPM_WANT_SET_MAX_REQUESTS
-+#define AP_MPM_WANT_SET_COREDUMPDIR
-+#define AP_MPM_WANT_SET_ACCEPT_LOCK_MECH
-+#define AP_MPM_WANT_SIGNAL_SERVER
-+#define AP_MPM_WANT_SET_MAX_MEM_FREE
-+#define AP_MPM_DISABLE_NAGLE_ACCEPTED_SOCK
-+
-+#define AP_MPM_USES_POD 1
-+#define MPM_CHILD_PID(i) (ap_scoreboard_image->parent[i].pid)
-+#define MPM_NOTE_CHILD_KILLED(i) (MPM_CHILD_PID(i) = 0)
-+#define MPM_ACCEPT_FUNC unixd_accept
-+
-+extern int ap_threads_per_child;
-+extern int ap_max_daemons_limit;
-+extern server_rec *ap_server_conf;
-+
-+/* Table of child status */
-+#define SERVER_DEAD 0
-+#define SERVER_DYING 1
-+#define SERVER_ALIVE 2
-+
-+typedef struct ap_ctable {
-+ pid_t pid;
-+ unsigned char status;
-+} ap_ctable;
-+
-+#endif /* APACHE_MPM_PERUSER_H */
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/mpm_default.h httpd-2.2.3-peruser/server/mpm/experimental/peruser/mpm_default.h
---- httpd-2.2.3/server/mpm/experimental/peruser/mpm_default.h 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/mpm_default.h 2007-09-28 17:29:01.000000000 -0600
-@@ -0,0 +1,110 @@
-+/* ====================================================================
-+ * The Apache Software License, Version 1.1
-+ *
-+ * Copyright (c) 2000-2003 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
-+ * the documentation and/or other materials provided with the
-+ * 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
-+ * <http://www.apache.org/>.
-+ *
-+ * Portions of this software are based upon public domain software
-+ * originally written at the National Center for Supercomputing Applications,
-+ * University of Illinois, Urbana-Champaign.
-+ */
-+
-+#ifndef APACHE_MPM_DEFAULT_H
-+#define APACHE_MPM_DEFAULT_H
-+
-+/* Number of processors to spawn off for each ServerEnvironment by default */
-+
-+#ifndef DEFAULT_START_PROCESSORS
-+#define DEFAULT_START_PROCESSORS 0
-+#endif
-+
-+/* Minimum number of running processors per ServerEnvironment */
-+
-+#ifndef DEFAULT_MIN_PROCESSORS
-+#define DEFAULT_MIN_PROCESSORS 0
-+#endif
-+
-+/* Minimum --- fewer than this, and more will be created */
-+
-+#ifndef DEFAULT_MIN_FREE_PROCESSORS
-+#define DEFAULT_MIN_FREE_PROCESSORS 2
-+#endif
-+
-+/* Maximum processors per ServerEnvironment */
-+
-+#ifndef DEFAULT_MAX_PROCESSORS
-+#define DEFAULT_MAX_PROCESSORS 10
-+#endif
-+
-+/* File used for accept locking, when we use a file */
-+#ifndef DEFAULT_LOCKFILE
-+#define DEFAULT_LOCKFILE DEFAULT_REL_RUNTIMEDIR "/accept.lock"
-+#endif
-+
-+/* Where the main/parent process's pid is logged */
-+#ifndef DEFAULT_PIDLOG
-+#define DEFAULT_PIDLOG DEFAULT_REL_RUNTIMEDIR "/httpd.pid"
-+#endif
-+
-+/*
-+ * Interval, in microseconds, between scoreboard maintenance.
-+ */
-+#ifndef SCOREBOARD_MAINTENANCE_INTERVAL
-+#define SCOREBOARD_MAINTENANCE_INTERVAL 1000000
-+#endif
-+
-+/* Number of requests to try to handle in a single process. If <= 0,
-+ * the children don't die off.
-+ */
-+#ifndef DEFAULT_MAX_REQUESTS_PER_CHILD
-+#define DEFAULT_MAX_REQUESTS_PER_CHILD 10000
-+#endif
-+
-+#endif /* AP_MPM_DEFAULT_H */
-diff -Nur httpd-2.2.3/server/mpm/experimental/peruser/peruser.c httpd-2.2.3-peruser/server/mpm/experimental/peruser/peruser.c
---- httpd-2.2.3/server/mpm/experimental/peruser/peruser.c 1969-12-31 17:00:00.000000000 -0700
-+++ httpd-2.2.3-peruser/server/mpm/experimental/peruser/peruser.c 2007-10-03 11:28:06.000000000 -0600
-@@ -0,0 +1,3223 @@
-+/* ====================================================================
-+ * The Apache Software License, Version 1.1
-+ *
-+ * Copyright (c) 2000-2003 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
-+ * the documentation and/or other materials provided with the
-+ * 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
-+ * <http://www.apache.org/>.
-+ *
-+ * Portions of this software are based upon public domain software
-+ * originally written at the National Center for Supercomputing Applications,
-+ * University of Illinois, Urbana-Champaign.
-+ */
-+
-+/* Peruser version 0.3.0 */
-+
-+/* #define MPM_PERUSER_DEBUG */
-+
-+#include "apr.h"
-+#include "apr_hash.h"
-+#include "apr_pools.h"
-+#include "apr_file_io.h"
-+#include "apr_portable.h"
-+#include "apr_strings.h"
-+#include "apr_thread_proc.h"
-+#include "apr_signal.h"
-+#define APR_WANT_STDIO
-+#define APR_WANT_STRFUNC
-+#define APR_WANT_IOVEC
-+#include "apr_want.h"
-+
-+#if APR_HAVE_UNISTD_H
-+#include <unistd.h>
-+#endif
-+#if APR_HAVE_SYS_TYPES_H
-+#include <sys/types.h>
-+#endif
-+
-+#define CORE_PRIVATE
-+
-+#include "ap_config.h"
-+#include "httpd.h"
-+#include "mpm_default.h"
-+#include "http_main.h"
-+#include "http_log.h"
-+#include "http_config.h"
-+#include "http_core.h" /* for get_remote_host */
-+#include "http_connection.h"
-+#include "http_protocol.h" /* for ap_hook_post_read_request */
-+#include "http_vhost.h" /* for ap_update_vhost_given_ip */
-+#include "scoreboard.h"
-+#include "ap_mpm.h"
-+#include "unixd.h"
-+#include "mpm_common.h"
-+#include "ap_listen.h"
-+#include "ap_mmn.h"
-+#include "apr_poll.h"
-+#include "util_ebcdic.h"
-+#include "mod_status.h"
-+
-+#ifdef HAVE_BSTRING_H
-+#include <bstring.h> /* for IRIX, FD_SET calls bzero() */
-+#endif
-+
-+#ifdef HAVE_TIME_H
-+#include <time.h>
-+#endif
-+
-+#ifdef HAVE_SYS_PROCESSOR_H
-+#include <sys/processor.h> /* for bindprocessor() */
-+#endif
-+
-+#if APR_HAS_SHARED_MEMORY
-+#include "apr_shm.h"
-+#else
-+#error "Peruser MPM requres shared memory support."
-+#endif
-+
-+
-+/* should be APR-ized */
-+#include <grp.h>
-+#include <pwd.h>
-+#include <sys/stat.h>
-+#include <sys/un.h>
-+#include <setjmp.h>
-+
-+#include <signal.h>
-+#include <sys/times.h>
-+
-+
-+#ifdef MPM_PERUSER_DEBUG
-+# define _DBG(text,par...) \
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL, \
-+ "(peruser: pid=%d uid=%d child=%d) %s(): " text, \
-+ getpid(), getuid(), my_child_num, __FUNCTION__, ##par, 0)
-+
-+# define _TRACE_CALL(text,par...) _DBG("calling " text, ##par)
-+# define _TRACE_RET(text,par...) _DBG("returned from " text, ##par)
-+#else
-+# define _DBG(text,par...)
-+# define _TRACE_RET(text,par...)
-+# define _TRACE_CALL(text,par...)
-+#endif /* MPM_PERUSER_DEBUG */
-+
-+/* char of death - for signalling children to die */
-+#define AP_PERUSER_CHAR_OF_DEATH '!'
-+
-+#define PERUSER_SERVER_CONF(cf) \
-+ ((peruser_server_conf *) ap_get_module_config(cf, &mpm_peruser_module))
-+
-+#define SCOREBOARD_STATUS(i) ap_scoreboard_image->servers[i][0].status
-+
-+/*
-+ * Define some magic numbers that we use for the state of the incomming
-+ * request. These must be < 0 so they don't collide with a file descriptor.
-+ */
-+#define AP_PERUSER_THISCHILD -1
-+#define AP_PERUSER_OTHERCHILD -2
-+
-+
-+/* Limit on the total --- clients will be locked out if more servers than
-+ * this are needed. It is intended solely to keep the server from crashing
-+ * when things get out of hand.
-+ *
-+ * We keep a hard maximum number of servers, for two reasons --- first off,
-+ * in case something goes seriously wrong, we want to stop the fork bomb
-+ * short of actually crashing the machine we're running on by filling some
-+ * kernel table. Secondly, it keeps the size of the scoreboard file small
-+ * enough that we can read the whole thing without worrying too much about
-+ * the overhead.
-+ */
-+#ifndef DEFAULT_SERVER_LIMIT
-+#define DEFAULT_SERVER_LIMIT 256
-+#endif
-+
-+/* Admin can't tune ServerLimit beyond MAX_SERVER_LIMIT. We want
-+ * some sort of compile-time limit to help catch typos.
-+ */
-+#ifndef MAX_SERVER_LIMIT
-+#define MAX_SERVER_LIMIT 20000
-+#endif
-+
-+#ifndef HARD_THREAD_LIMIT
-+#define HARD_THREAD_LIMIT 1
-+#endif
-+
-+#define CHILD_TYPE_UNKNOWN 0
-+#define CHILD_TYPE_MULTIPLEXER 1
-+#define CHILD_TYPE_PROCESSOR 2
-+#define CHILD_TYPE_WORKER 3
-+
-+#define CHILD_STATUS_STANDBY 0 /* wait for a request before starting */
-+#define CHILD_STATUS_STARTING 1 /* wait for socket creation */
-+#define CHILD_STATUS_READY 2 /* wait for mux to restart */
-+#define CHILD_STATUS_ACTIVE 3 /* ready to take requests */
-+#define CHILD_STATUS_RESTART 4 /* child about to die and restart */
-+
-+/* config globals */
-+
-+int ap_threads_per_child=0; /* Worker threads per child */
-+static apr_proc_mutex_t *accept_mutex;
-+static int ap_min_processors=DEFAULT_MIN_PROCESSORS;
-+static int ap_min_free_processors=DEFAULT_MIN_FREE_PROCESSORS;
-+static int ap_max_processors=DEFAULT_MAX_PROCESSORS;
-+static int ap_daemons_limit=0; /* MaxClients */
-+static int expire_timeout=1800;
-+static int idle_timeout=900;
-+static int server_limit = DEFAULT_SERVER_LIMIT;
-+static int first_server_limit;
-+static int changed_limit_at_restart;
-+static int requests_this_child;
-+static int mpm_state = AP_MPMQ_STARTING;
-+static ap_pod_t *pod;
-+
-+/* === configuration stuff === */
-+
-+typedef struct
-+{
-+ int processor_id;
-+
-+ /* security settings */
-+ uid_t uid; /* user id */
-+ gid_t gid; /* group id */
-+ const char *chroot; /* directory to chroot() to, can be null */
-+
-+ /* resource settings */
-+ int min_processors;
-+ int min_free_processors;
-+ int max_processors;
-+
-+ /* sockets */
-+ int input; /* The socket descriptor */
-+ int output; /* The socket descriptor */
-+} server_env_t;
-+
-+typedef struct
-+{
-+ apr_size_t num;
-+} server_env_control;
-+
-+typedef struct
-+{
-+ server_env_control *control;
-+ server_env_t *table;
-+} server_env;
-+
-+
-+typedef struct
-+{
-+ /* identification */
-+ int id; /* index in child_info_table */
-+ pid_t pid; /* process id */
-+ int status; /* status of child */
-+ int type; /* multiplexer or processor */
-+ server_env_t *senv;
-+
-+ /* sockets */
-+ int sock_fd;
-+
-+ /* stack context saved state */
-+ jmp_buf jmpbuffer;
-+} child_info_t;
-+
-+typedef struct
-+{
-+ /* identification */
-+ int id; /* index in child_info_table */
-+ pid_t pid; /* process id */
-+ int status; /* status of child */
-+ int type; /* multiplexer or processor */
-+ apr_time_t last_used;
-+} child_grace_info_t;
-+
-+typedef struct
-+{
-+ apr_size_t num;
-+} child_info_control;
-+
-+typedef struct
-+{
-+ child_info_control *control;
-+ child_info_t *table;
-+} child_info;
-+
-+typedef struct
-+{
-+ server_env_t *senv;
-+} peruser_server_conf;
-+
-+
-+typedef struct peruser_header
-+{
-+ char *headers;
-+ apr_pool_t *p;
-+} peruser_header;
-+
-+
-+/* Tables used to determine the user and group each child process should
-+ * run as. The hash table is used to correlate a server name with a child
-+ * process.
-+ */
-+static apr_size_t child_info_size;
-+static child_info *child_info_image;
-+static child_grace_info_t *child_grace_info_table;
-+struct ap_ctable *ap_child_table;
-+
-+#define NUM_CHILDS (child_info_image != NULL ? child_info_image->control->num : 0)
-+#define CHILD_INFO_TABLE (child_info_image != NULL ? child_info_image->table : NULL)
-+
-+static apr_size_t server_env_size;
-+static server_env *server_env_image = NULL;
-+
-+#define NUM_SENV (server_env_image != NULL ? server_env_image->control->num : 0)
-+#define SENV (server_env_image != NULL ? server_env_image->table : NULL)
-+
-+#if APR_HAS_SHARED_MEMORY
-+#ifndef WIN32
-+static /* but must be exported to mpm_winnt */
-+#endif
-+ apr_shm_t *child_info_shm = NULL;
-+ apr_shm_t *server_env_shm = NULL;
-+#endif
-+
-+/*
-+ * The max child slot ever assigned, preserved across restarts. Necessary
-+ * to deal with MaxClients changes across AP_SIG_GRACEFUL restarts. We
-+ * use this value to optimize routines that have to scan the entire scoreboard.
-+ */
-+int ap_max_daemons_limit = -1;
-+server_rec *ap_server_conf;
-+
-+module AP_MODULE_DECLARE_DATA mpm_peruser_module;
-+
-+/* -- replace the pipe-of-death by an control socket -- */
-+static apr_file_t *pipe_of_death_in = NULL;
-+static apr_file_t *pipe_of_death_out = NULL;
-+
-+
-+/* one_process --- debugging mode variable; can be set from the command line
-+ * with the -X flag. If set, this gets you the child_main loop running
-+ * in the process which originally started up (no detach, no make_child),
-+ * which is a pretty nice debugging environment. (You'll get a SIGHUP
-+ * early in standalone_main; just continue through. This is the server
-+ * trying to kill off any child processes which it might have lying
-+ * around --- Apache doesn't keep track of their pids, it just sends
-+ * SIGHUP to the process group, ignoring it in the root process.
-+ * Continue through and you'll be fine.).
-+ */
-+
-+static int one_process = 0;
-+
-+static apr_pool_t *pconf; /* Pool for config stuff */
-+static apr_pool_t *pchild; /* Pool for httpd child stuff */
-+
-+static pid_t ap_my_pid; /* it seems silly to call getpid all the time */
-+static pid_t parent_pid;
-+static int my_child_num;
-+ap_generation_t volatile ap_my_generation=0;
-+
-+#ifdef TPF
-+int tpf_child = 0;
-+char tpf_server_name[INETD_SERVNAME_LENGTH+1];
-+#endif /* TPF */
-+
-+static int die_now = 0;
-+
-+int grace_children = 0;
-+int grace_children_alive = 0;
-+int server_env_cleanup = 1;
-+
-+#ifdef GPROF
-+/*
-+ * change directory for gprof to plop the gmon.out file
-+ * configure in httpd.conf:
-+ * GprofDir $RuntimeDir/ -> $ServerRoot/$RuntimeDir/gmon.out
-+ * GprofDir $RuntimeDir/% -> $ServerRoot/$RuntimeDir/gprof.$pid/gmon.out
-+ */
-+static void chdir_for_gprof(void)
-+{
-+ core_server_config *sconf =
-+ ap_get_module_config(ap_server_conf->module_config, &core_module);
-+ char *dir = sconf->gprof_dir;
-+ const char *use_dir;
-+
-+ if(dir) {
-+ apr_status_t res;
-+ char buf[512];
-+ int len = strlen(sconf->gprof_dir) - 1;
-+ if(*(dir + len) == '%') {
-+ dir[len] = '\0';
-+ apr_snprintf(buf, sizeof(buf), "%sgprof.%d", dir, (int)getpid());
-+ }
-+ use_dir = ap_server_root_relative(pconf, buf[0] ? buf : dir);
-+ res = apr_dir_make(use_dir, 0755, pconf);
-+ if(res != APR_SUCCESS && !APR_STATUS_IS_EEXIST(res)) {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, errno, ap_server_conf,
-+ "gprof: error creating directory %s", dir);
-+ }
-+ }
-+ else {
-+ use_dir = ap_server_root_relative(pconf, DEFAULT_REL_RUNTIMEDIR);
-+ }
-+
-+ chdir(use_dir);
-+}
-+#else
-+#define chdir_for_gprof()
-+#endif
-+
-+char* child_type_string(int type)
-+{
-+ switch(type)
-+ {
-+ case CHILD_TYPE_MULTIPLEXER: return "MULTIPLEXER";
-+ case CHILD_TYPE_PROCESSOR: return "PROCESSOR";
-+ case CHILD_TYPE_WORKER: return "WORKER";
-+ }
-+
-+ return "UNKNOWN";
-+}
-+
-+char* child_status_string(int status)
-+{
-+ switch(status)
-+ {
-+ case CHILD_STATUS_STANDBY: return "STANDBY";
-+ case CHILD_STATUS_STARTING: return "STARTING";
-+ case CHILD_STATUS_READY: return "READY";
-+ case CHILD_STATUS_ACTIVE: return "ACTIVE";
-+ case CHILD_STATUS_RESTART: return "RESTART";
-+ }
-+
-+ return "UNKNOWN";
-+}
-+
-+void dump_child_table()
-+{
-+#ifdef MPM_PERUSER_DEBUG
-+ int x;
-+ server_env_t *senv;
-+
-+ _DBG("%-3s %-5s %-8s %-12s %-4s %-4s %-25s %5s %6s %7s",
-+ "ID", "PID", "STATUS", "TYPE", "UID", "GID", "CHROOT", "INPUT", "OUTPUT", "SOCK_FD");
-+
-+ for(x = 0; x < NUM_CHILDS; x++)
-+ {
-+ senv = CHILD_INFO_TABLE[x].senv;
-+ _DBG("%-3d %-5d %-8s %-12s %-4d %-4d %-25s %-5d %-6d %-7d",
-+ CHILD_INFO_TABLE[x].id,
-+ CHILD_INFO_TABLE[x].pid,
-+ child_status_string(CHILD_INFO_TABLE[x].status),
-+ child_type_string(CHILD_INFO_TABLE[x].type),
-+ senv == NULL ? -1 : senv->uid,
-+ senv == NULL ? -1 : senv->gid,
-+ senv == NULL ? NULL : senv->chroot,
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->input,
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->output,
-+ CHILD_INFO_TABLE[x].sock_fd);
-+ }
-+#endif
-+}
-+
-+void dump_server_env_image()
-+{
-+#ifdef MPM_PERUSER_DEBUG
-+ int x;
-+ _DBG("%-3s %-7s %-7s", "N", "INPUT", "OUTPUT");
-+ for(x = 0; x < NUM_SENV; x++)
-+ {
-+ _DBG("%-3d %-7d %-7d", x, SENV[x].input, SENV[x].output);
-+ }
-+#endif
-+}
-+
-+
-+/* XXX - I don't know if TPF will ever use this module or not, so leave
-+ * the ap_check_signals calls in but disable them - manoj */
-+#define ap_check_signals()
-+
-+/* a clean exit from a child with proper cleanup */
-+static inline int clean_child_exit(int code) __attribute__ ((noreturn));
-+static inline int clean_child_exit(int code)
-+{
-+ int retval;
-+
-+ mpm_state = AP_MPMQ_STOPPING;
-+
-+ if (CHILD_INFO_TABLE[my_child_num].type != CHILD_TYPE_MULTIPLEXER &&
-+ CHILD_INFO_TABLE[my_child_num].senv)
-+ {
-+ retval = close(CHILD_INFO_TABLE[my_child_num].senv->input);
-+ _DBG("close(CHILD_INFO_TABLE[%d].senv->input) = %d",
-+ my_child_num, retval);
-+
-+ retval = close(CHILD_INFO_TABLE[my_child_num].senv->output);
-+ _DBG("close(CHILD_INFO_TABLE[%d].senv->output) = %d",
-+ my_child_num, retval);
-+ }
-+
-+ if (pchild) {
-+ apr_pool_destroy(pchild);
-+ }
-+ ap_mpm_pod_close(pod);
-+ chdir_for_gprof();
-+ exit(code);
-+}
-+
-+static void accept_mutex_on(void)
-+{
-+/* for some reason this fails if we listen on the pipe_of_death.
-+ fortunately I don't think we currently need it */
-+
-+#if 0
-+ apr_status_t rv = apr_proc_mutex_lock(accept_mutex);
-+ if (rv != APR_SUCCESS) {
-+ const char *msg = "couldn't grab the accept mutex";
-+
-+ if (ap_my_generation !=
-+ ap_scoreboard_image->global->running_generation) {
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, NULL, msg);
-+ clean_child_exit(0);
-+ }
-+ else {
-+ ap_log_error(APLOG_MARK, APLOG_EMERG, rv, NULL, msg);
-+ exit(APEXIT_CHILDFATAL);
-+ }
-+ }
-+#endif
-+}
-+
-+static void accept_mutex_off(void)
-+{
-+#if 0
-+ apr_status_t rv = apr_proc_mutex_unlock(accept_mutex);
-+ if (rv != APR_SUCCESS) {
-+ const char *msg = "couldn't release the accept mutex";
-+
-+ if (ap_my_generation !=
-+ ap_scoreboard_image->global->running_generation) {
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, NULL, msg);
-+ /* don't exit here... we have a connection to
-+ * process, after which point we'll see that the
-+ * generation changed and we'll exit cleanly
-+ */
-+ }
-+ else {
-+ ap_log_error(APLOG_MARK, APLOG_EMERG, rv, NULL, msg);
-+ exit(APEXIT_CHILDFATAL);
-+ }
-+ }
-+#endif
-+}
-+
-+/* On some architectures it's safe to do unserialized accept()s in the single
-+ * Listen case. But it's never safe to do it in the case where there's
-+ * multiple Listen statements. Define SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-+ * when it's safe in the single Listen case.
-+ */
-+#ifdef SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-+#define SAFE_ACCEPT(stmt) do {if (ap_listeners->next) {stmt;}} while(0)
-+#else
-+#define SAFE_ACCEPT(stmt) do {stmt;} while(0)
-+#endif
-+
-+AP_DECLARE(apr_status_t) ap_mpm_query(int query_code, int *result)
-+{
-+ switch(query_code){
-+ case AP_MPMQ_MAX_DAEMON_USED:
-+ *result = ap_daemons_limit;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_IS_THREADED:
-+ *result = AP_MPMQ_NOT_SUPPORTED;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_IS_FORKED:
-+ *result = AP_MPMQ_DYNAMIC;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_HARD_LIMIT_DAEMONS:
-+ *result = server_limit;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_HARD_LIMIT_THREADS:
-+ *result = HARD_THREAD_LIMIT;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MAX_THREADS:
-+ *result = 0;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MIN_SPARE_DAEMONS:
-+ *result = ap_min_free_processors;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MIN_SPARE_THREADS:
-+ *result = 0;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MAX_SPARE_THREADS:
-+ *result = 0;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MAX_REQUESTS_DAEMON:
-+ *result = ap_max_requests_per_child;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MAX_DAEMONS:
-+ *result = server_limit;
-+ return APR_SUCCESS;
-+ case AP_MPMQ_MPM_STATE:
-+ *result = mpm_state;
-+ return APR_SUCCESS;
-+ }
-+ return APR_ENOTIMPL;
-+}
-+
-+#if defined(NEED_WAITPID)
-+/*
-+ Systems without a real waitpid sometimes lose a child's exit while waiting
-+ for another. Search through the scoreboard for missing children.
-+ */
-+int reap_children(int *exitcode, apr_exit_why_e *status)
-+{
-+ int n, pid;
-+
-+ for (n = 0; n < ap_max_daemons_limit; ++n) {
-+ if (ap_scoreboard_image->servers[n][0].status != SERVER_DEAD &&
-+ kill((pid = ap_scoreboard_image->parent[n].pid), 0) == -1) {
-+ ap_update_child_status_from_indexes(n, 0, SERVER_DEAD, NULL);
-+ /* just mark it as having a successful exit status */
-+ *status = APR_PROC_EXIT;
-+ *exitcode = 0;
-+ return(pid);
-+ }
-+ }
-+ return 0;
-+}
-+#endif
-+
-+/* handle all varieties of core dumping signals */
-+static void sig_coredump(int sig)
-+{
-+ int retval;
-+ retval = chdir(ap_coredump_dir);
-+ apr_signal(sig, SIG_DFL);
-+ if (ap_my_pid == parent_pid) {
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE,
-+ 0, ap_server_conf,
-+ "seg fault or similar nasty error detected "
-+ "in the parent process");
-+ }
-+ kill(getpid(), sig);
-+ /* At this point we've got sig blocked, because we're still inside
-+ * the signal handler. When we leave the signal handler it will
-+ * be unblocked, and we'll take the signal... and coredump or whatever
-+ * is appropriate for this particular Unix. In addition the parent
-+ * will see the real signal we received -- whereas if we called
-+ * abort() here, the parent would only see SIGABRT.
-+ */
-+}
-+
-+/*****************************************************************
-+ * Connection structures and accounting...
-+ */
-+
-+static void just_die(int sig)
-+{
-+_DBG("function called");
-+ clean_child_exit(0);
-+}
-+
-+/* volatile just in case */
-+static int volatile shutdown_pending;
-+static int volatile restart_pending;
-+static int volatile is_graceful;
-+/* XXX static int volatile child_fatal; */
-+
-+static void sig_term(int sig)
-+{
-+ if (shutdown_pending == 1) {
-+ /* Um, is this _probably_ not an error, if the user has
-+ * tried to do a shutdown twice quickly, so we won't
-+ * worry about reporting it.
-+ */
-+ return;
-+ }
-+ shutdown_pending = 1;
-+}
-+
-+/* restart() is the signal handler for SIGHUP and AP_SIG_GRACEFUL
-+ * in the parent process, unless running in ONE_PROCESS mode
-+ */
-+static void restart(int sig)
-+{
-+ if (restart_pending == 1) {
-+ /* Probably not an error - don't bother reporting it */
-+ return;
-+ }
-+ restart_pending = 1;
-+ is_graceful = (sig == AP_SIG_GRACEFUL);
-+}
-+
-+/* Sets die_now if we received a character on the pipe_of_death */
-+static apr_status_t check_pipe_of_death
-+(
-+ void **csd,
-+ ap_listen_rec *lr,
-+ apr_pool_t *ptrans
-+)
-+{
-+ int ret;
-+ char pipe_read_char;
-+ apr_size_t n = 1;
-+
-+ _DBG("WATCH: die_now=%d", die_now);
-+
-+ if (die_now) return APR_SUCCESS;
-+
-+ /* apr_thread_mutex_lock(pipe_of_death_mutex); */
-+ ret = apr_socket_recv(lr->sd, &pipe_read_char, &n);
-+ if (APR_STATUS_IS_EAGAIN(ret))
-+ {
-+ /* It lost the lottery. It must continue to suffer
-+ * through a life of servitude. */
-+ }
-+ else
-+ {
-+ if (pipe_read_char != AP_PERUSER_CHAR_OF_DEATH)
-+ {
-+ _DBG("got wrong char %c", pipe_read_char);
-+ return APR_SUCCESS;
-+ }
-+ /* It won the lottery (or something else is very
-+ * wrong). Embrace death with open arms. */
-+ die_now = 1;
-+ _DBG("WATCH: die_now=%d", die_now);
-+ }
-+ /* apr_thread_mutex_unlock(pipe_of_death_mutex); */
-+ return APR_SUCCESS;
-+}
-+
-+static void set_signals(void)
-+{
-+#ifndef NO_USE_SIGACTION
-+ struct sigaction sa;
-+
-+ sigemptyset(&sa.sa_mask);
-+ sa.sa_flags = 0;
-+
-+ if (!one_process) {
-+ sa.sa_handler = sig_coredump;
-+#if defined(SA_ONESHOT)
-+ sa.sa_flags = SA_ONESHOT;
-+#elif defined(SA_RESETHAND)
-+ sa.sa_flags = SA_RESETHAND;
-+#endif
-+ if (sigaction(SIGSEGV, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGSEGV)");
-+#ifdef SIGBUS
-+ if (sigaction(SIGBUS, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGBUS)");
-+#endif
-+#ifdef SIGABORT
-+ if (sigaction(SIGABORT, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGABORT)");
-+#endif
-+#ifdef SIGABRT
-+ if (sigaction(SIGABRT, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGABRT)");
-+#endif
-+#ifdef SIGILL
-+ if (sigaction(SIGILL, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGILL)");
-+#endif
-+ sa.sa_flags = 0;
-+ }
-+ sa.sa_handler = sig_term;
-+ if (sigaction(SIGTERM, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGTERM)");
-+#ifdef SIGINT
-+ if (sigaction(SIGINT, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGINT)");
-+#endif
-+#ifdef SIGXCPU
-+ sa.sa_handler = SIG_DFL;
-+ if (sigaction(SIGXCPU, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGXCPU)");
-+#endif
-+#ifdef SIGXFSZ
-+ sa.sa_handler = SIG_IGN;
-+ if (sigaction(SIGXFSZ, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGXFSZ)");
-+#endif
-+#ifdef SIGPIPE
-+ sa.sa_handler = SIG_IGN;
-+ if (sigaction(SIGPIPE, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGPIPE)");
-+#endif
-+
-+ /* we want to ignore HUPs and AP_SIG_GRACEFUL while we're busy
-+ * processing one */
-+ sigaddset(&sa.sa_mask, SIGHUP);
-+ sigaddset(&sa.sa_mask, AP_SIG_GRACEFUL);
-+ sa.sa_handler = restart;
-+ if (sigaction(SIGHUP, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGHUP)");
-+ if (sigaction(AP_SIG_GRACEFUL, &sa, NULL) < 0)
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(" AP_SIG_GRACEFUL_STRING ")");
-+#else
-+ if (!one_process) {
-+ apr_signal(SIGSEGV, sig_coredump);
-+#ifdef SIGBUS
-+ apr_signal(SIGBUS, sig_coredump);
-+#endif /* SIGBUS */
-+#ifdef SIGABORT
-+ apr_signal(SIGABORT, sig_coredump);
-+#endif /* SIGABORT */
-+#ifdef SIGABRT
-+ apr_signal(SIGABRT, sig_coredump);
-+#endif /* SIGABRT */
-+#ifdef SIGILL
-+ apr_signal(SIGILL, sig_coredump);
-+#endif /* SIGILL */
-+#ifdef SIGXCPU
-+ apr_signal(SIGXCPU, SIG_DFL);
-+#endif /* SIGXCPU */
-+#ifdef SIGXFSZ
-+ apr_signal(SIGXFSZ, SIG_DFL);
-+#endif /* SIGXFSZ */
-+ }
-+
-+ apr_signal(SIGTERM, sig_term);
-+#ifdef SIGHUP
-+ apr_signal(SIGHUP, restart);
-+#endif /* SIGHUP */
-+#ifdef AP_SIG_GRACEFUL
-+ apr_signal(AP_SIG_GRACEFUL, restart);
-+#endif /* AP_SIG_GRACEFUL */
-+#ifdef SIGPIPE
-+ apr_signal(SIGPIPE, SIG_IGN);
-+#endif /* SIGPIPE */
-+
-+#endif
-+}
-+
-+/*****************************************************************
-+ * Child process main loop.
-+ * The following vars are static to avoid getting clobbered by longjmp();
-+ * they are really private to child_main.
-+ */
-+
-+static int requests_this_child;
-+static int num_listensocks = 0;
-+static ap_listen_rec *listensocks;
-+
-+int ap_graceful_stop_signalled(void)
-+{
-+ /* not ever called anymore... */
-+ return 0;
-+}
-+
-+/*
-+ * This function sends a raw socket over to a processor. It uses the same
-+ * on-wire format as pass_request. The recipient can determine if he got
-+ * a socket or a whole request by inspecting the header_length of the
-+ * message. If it is zero then only a socket was sent.
-+ */
-+static int pass_socket(apr_socket_t *thesock, child_info_t *processor, apr_pool_t *pool)
-+{
-+ int rv;
-+ struct msghdr msg;
-+ struct cmsghdr *cmsg;
-+ apr_sockaddr_t *remote_addr;
-+ int sock_fd;
-+ char *body = "";
-+ struct iovec iov[5];
-+ apr_size_t header_len = 0;
-+ apr_size_t body_len = 0;
-+ peruser_header h;
-+
-+ if (!processor)
-+ {
-+ _DBG("server %s in child %d has no child_info associated",
-+ "(unkonwn)", my_child_num);
-+ return -1;
-+ }
-+
-+ _DBG("passing request to another child.", 0);
-+
-+ apr_os_sock_get(&sock_fd, thesock);
-+ /* passing remote_addr too, see comments below */
-+ apr_socket_addr_get(&remote_addr, APR_REMOTE, thesock);
-+
-+ header_len = 0;
-+ body_len = 0;
-+
-+ iov[0].iov_base = &header_len;
-+ iov[0].iov_len = sizeof(header_len);
-+ iov[1].iov_base = &body_len;
-+ iov[1].iov_len = sizeof(body_len);
-+ iov[2].iov_base = remote_addr;
-+ iov[2].iov_len = sizeof(*remote_addr);
-+ iov[3].iov_base = h.headers;
-+ iov[3].iov_len = 0;
-+ iov[4].iov_base = body;
-+ iov[4].iov_len = body_len;
-+
-+ msg.msg_name = NULL;
-+ msg.msg_namelen = 0;
-+ msg.msg_iov = iov;
-+ msg.msg_iovlen = 5;
-+
-+ cmsg = apr_palloc(pool, sizeof(*cmsg) + sizeof(sock_fd));
-+ cmsg->cmsg_len = sizeof(*cmsg) + sizeof(sock_fd);
-+ cmsg->cmsg_level = SOL_SOCKET;
-+ cmsg->cmsg_type = SCM_RIGHTS;
-+
-+ memcpy(CMSG_DATA(cmsg), &sock_fd, sizeof(sock_fd));
-+
-+ msg.msg_control = cmsg;
-+ msg.msg_controllen = cmsg->cmsg_len;
-+
-+ if (processor->status == CHILD_STATUS_STANDBY)
-+ {
-+ _DBG("Activating child #%d", processor->id);
-+ processor->status = CHILD_STATUS_STARTING;
-+ }
-+
-+ _DBG("Writing message to %d, passing sock_fd: %d", processor->senv->output, sock_fd);
-+ _DBG("header_len=%d headers=\"%s\"", header_len, h.headers);
-+ _DBG("body_len=%d body=\"%s\"", body_len, body);
-+
-+ if ((rv = sendmsg(processor->senv->output, &msg, 0)) == -1)
-+ {
-+ apr_pool_destroy(pool);
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
-+ "Writing message failed %d %d", rv, errno);
-+ return -1;
-+ }
-+
-+ _DBG("Writing message succeeded %d", rv);
-+
-+ /* -- close the socket on our side -- */
-+ _DBG("closing socket %d on our side", sock_fd);
-+ apr_socket_close(thesock);
-+
-+ apr_pool_destroy(pool);
-+ return 1;
-+}
-+
-+static void process_socket(apr_pool_t *p, apr_socket_t *sock, long conn_id,
-+ apr_bucket_alloc_t *bucket_alloc, apr_pool_t *pool)
-+{
-+ conn_rec *current_conn;
-+ int sock_fd;
-+ apr_status_t rv;
-+ ap_sb_handle_t *sbh;
-+ child_info_t *processor;
-+ apr_pool_t *ptrans;
-+ peruser_server_conf *sconf;
-+
-+ _DBG("Creating dummy connection to use the vhost lookup api", 0);
-+
-+ ap_create_sb_handle(&sbh, p, conn_id, 0);
-+ current_conn = ap_run_create_connection(p, ap_server_conf, sock, conn_id,
-+ sbh, bucket_alloc);
-+ _DBG("Looking up the right vhost");
-+ if (current_conn) {
-+ ap_update_vhost_given_ip(current_conn);
-+ _DBG("Base server is %s, name based vhosts %s", current_conn->base_server->server_hostname,
-+ current_conn->vhost_lookup_data ? "on" : "off");
-+ }
-+
-+ if (current_conn && !current_conn->vhost_lookup_data && CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_MULTIPLEXER) {
-+ _DBG("We are not using name based vhosts, we'll directly pass the socket.");
-+
-+ sconf = PERUSER_SERVER_CONF(current_conn->base_server->module_config);
-+ processor = &CHILD_INFO_TABLE[sconf->senv->processor_id];
-+
-+ _DBG("Forwarding without further inspection, processor %d", processor->id);
-+ if (processor->status == CHILD_STATUS_STANDBY)
-+ {
-+ _DBG("Activating child #%d", processor->id);
-+ processor->status = CHILD_STATUS_STARTING;
-+ }
-+
-+ _DBG("Creating new pool",0);
-+ apr_pool_create(&ptrans, pool);
-+ _DBG("Passing request.",0);
-+ if (pass_socket(sock, processor, ptrans) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, 0,
-+ ap_server_conf, "Could not pass request to proper "
-+ "child, request will not be honoured.");
-+ return;
-+ }
-+ if (current_conn)
-+ {
-+ _DBG("freeing connection",0);
-+ ap_lingering_close(current_conn);
-+ }
-+ _DBG("doing longjmp",0);
-+ longjmp(CHILD_INFO_TABLE[my_child_num].jmpbuffer, 1);
-+ return;
-+ }
-+
-+ if ((rv = apr_os_sock_get(&sock_fd, sock)) != APR_SUCCESS)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, "apr_os_sock_get");
-+ }
-+
-+ _DBG("child_num=%d sock=%ld sock_fd=%d\n", my_child_num, sock, sock_fd);
-+ _DBG("type=%s %d", child_type_string(CHILD_INFO_TABLE[my_child_num].type), my_child_num);
-+
-+ if (sock_fd >= FD_SETSIZE)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL,
-+ "new file descriptor %d is too large; you probably need "
-+ "to rebuild Apache with a larger FD_SETSIZE "
-+ "(currently %d)",
-+ sock_fd, FD_SETSIZE);
-+ apr_socket_close(sock);
-+ _DBG("child_num=%d: exiting with error", my_child_num);
-+ return;
-+ }
-+
-+ if (CHILD_INFO_TABLE[my_child_num].sock_fd < 0)
-+ {
-+ ap_sock_disable_nagle(sock);
-+ }
-+
-+ if (!current_conn) {
-+ ap_create_sb_handle(&sbh, p, conn_id, 0);
-+ current_conn = ap_run_create_connection(p, ap_server_conf, sock, conn_id,
-+ sbh, bucket_alloc);
-+ }
-+
-+ if (current_conn)
-+ {
-+ ap_process_connection(current_conn, sock);
-+ ap_lingering_close(current_conn);
-+ }
-+}
-+
-+static int peruser_process_connection(conn_rec *conn)
-+{
-+ ap_filter_t *filter;
-+ apr_bucket_brigade *bb;
-+ core_net_rec *net;
-+
-+ _DBG("function entered",0);
-+
-+ /* -- fetch our sockets from the pool -- */
-+ apr_pool_userdata_get((void **)&bb, "PERUSER_SOCKETS", conn->pool);
-+ if (bb != NULL)
-+ {
-+ /* -- find the 'core' filter and give the socket data to it -- */
-+ for (filter = conn->output_filters; filter != NULL; filter = filter->next)
-+ {
-+ if (!strcmp(filter->frec->name, "core")) break;
-+ }
-+ if (filter != NULL)
-+ {
-+ net = filter->ctx;
-+ net->in_ctx = apr_palloc(conn->pool, sizeof(*net->in_ctx));
-+ net->in_ctx->b = bb;
-+ net->in_ctx->tmpbb = apr_brigade_create(net->in_ctx->b->p,
-+ net->in_ctx->b->bucket_alloc);
-+ }
-+ }
-+ _DBG("leaving (DECLINED)", 0);
-+ return DECLINED;
-+}
-+
-+static int total_processors(int child_num)
-+{
-+ int i, total;
-+
-+ for(i = 0, total = 0; i < NUM_CHILDS; ++i)
-+ {
-+ if(CHILD_INFO_TABLE[i].senv == CHILD_INFO_TABLE[child_num].senv)
-+ total++;
-+ }
-+
-+ return total;
-+}
-+
-+static int idle_processors(int child_num)
-+{
-+ int i, total;
-+
-+ for(i = 0, total = 0; i < NUM_CHILDS; ++i)
-+ {
-+ if(CHILD_INFO_TABLE[i].senv == CHILD_INFO_TABLE[child_num].senv &&
-+ (SCOREBOARD_STATUS(i) == SERVER_STARTING ||
-+ SCOREBOARD_STATUS(i) == SERVER_READY))
-+ {
-+ total++;
-+ }
-+ }
-+
-+ return total;
-+}
-+
-+static int pass_request(request_rec *r, child_info_t *processor)
-+{
-+ int rv;
-+ struct msghdr msg;
-+ struct cmsghdr *cmsg;
-+ apr_sockaddr_t *remote_addr;
-+ int sock_fd;
-+ char *body = "";
-+ struct iovec iov[5];
-+ conn_rec *c = r->connection;
-+ apr_bucket_brigade *bb = apr_brigade_create(r->pool, c->bucket_alloc);
-+ apr_bucket_brigade *body_bb = NULL;
-+ apr_size_t len = 0;
-+ apr_size_t header_len = 0;
-+ apr_size_t body_len = 0;
-+ peruser_header h;
-+ apr_bucket *bucket;
-+ const apr_array_header_t *headers_in_array;
-+ const apr_table_entry_t *headers_in;
-+ int counter;
-+
-+ apr_socket_t *thesock = ap_get_module_config(r->connection->conn_config, &core_module);
-+
-+ if ((!r->the_request) || (!strlen(r->the_request)))
-+ {
-+ _DBG("empty request. dropping it (%ld)", r->the_request);
-+ return -1;
-+ }
-+
-+ if (!processor)
-+ {
-+ _DBG("server %s in child %d has no child_info associated",
-+ r->hostname, my_child_num);
-+ return -1;
-+ }
-+
-+ _DBG("passing request to another child. Vhost: %s, child %d %d",
-+ apr_table_get(r->headers_in, "Host"), my_child_num, processor->senv->output);
-+ _DBG("r->the_request=\"%s\" len=%d", r->the_request, strlen(r->the_request));
-+
-+ ap_get_brigade(r->connection->input_filters, bb, AP_MODE_EXHAUSTIVE, APR_NONBLOCK_READ, len);
-+
-+ /* Scan the brigade looking for heap-buckets */
-+
-+ _DBG("Scanning the brigade",0);
-+ bucket = APR_BRIGADE_FIRST(bb);
-+ while (bucket != APR_BRIGADE_SENTINEL(bb) &&
-+ APR_BUCKET_IS_HEAP(bucket)) {
-+ _DBG("HEAP BUCKET is found, length=%d", bucket->length);
-+ bucket = APR_BUCKET_NEXT(bucket);
-+ if (!APR_BUCKET_IS_HEAP(bucket)) {
-+ _DBG("NON-HEAP BUCKET is found, extracting the part of brigade before it",0);
-+ body_bb = bb;
-+ bb = apr_brigade_split(body_bb, bucket);
-+ /* Do we need to apr_destroy_brigade(bb) here?
-+ * Yeah, I know we do apr_pool_destroy(r->pool) before return, but
-+ * ap_get_brigade is in non-blocking mode (however len is zero).
-+ */
-+ if (apr_brigade_pflatten(body_bb, &body, &body_len, r->pool) != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
-+ "Unable to flatten brigade, declining request");
-+ apr_pool_destroy(r->pool);
-+ return DECLINED;
-+ }
-+ _DBG("Brigade is flattened as body (body_len=%d)", body_len);
-+ }
-+ }
-+ _DBG("Scanning is finished",0);
-+
-+ apr_os_sock_get(&sock_fd, thesock);
-+ /* looks like a bug while sending/receiving SCM_RIGHTS related to ipv6
-+ workaround: send remote_addr structure too */
-+ apr_socket_addr_get(&remote_addr, APR_REMOTE, thesock);
-+
-+ h.p = r->pool;
-+
-+ headers_in_array = apr_table_elts(r->headers_in);
-+ headers_in = (const apr_table_entry_t *) headers_in_array->elts;
-+
-+ h.headers = apr_pstrcat(h.p, r->the_request, CRLF, NULL);
-+ for (counter = 0; counter < headers_in_array->nelts; counter++) {
-+ if (headers_in[counter].key == NULL
-+ || headers_in[counter].val == NULL) {
-+ continue;
-+ }
-+ h.headers = apr_pstrcat(h.p, h.headers, headers_in[counter].key, ": ",
-+ headers_in[counter].val, CRLF, NULL);
-+
-+ }
-+ h.headers = apr_pstrcat(h.p, h.headers, CRLF, NULL);
-+ ap_xlate_proto_to_ascii(h.headers, strlen(h.headers));
-+
-+ header_len = strlen(h.headers);
-+
-+ iov[0].iov_base = &header_len;
-+ iov[0].iov_len = sizeof(header_len);
-+ iov[1].iov_base = &body_len;
-+ iov[1].iov_len = sizeof(body_len);
-+ iov[2].iov_base = remote_addr;
-+ iov[2].iov_len = sizeof(*remote_addr);
-+ iov[3].iov_base = h.headers;
-+ iov[3].iov_len = strlen(h.headers) + 1;
-+ iov[4].iov_base = body;
-+ iov[4].iov_len = body_len;
-+
-+ msg.msg_name = NULL;
-+ msg.msg_namelen = 0;
-+ msg.msg_iov = iov;
-+ msg.msg_iovlen = 5;
-+
-+ cmsg = apr_palloc(r->pool, sizeof(*cmsg) + sizeof(sock_fd));
-+ cmsg->cmsg_len = sizeof(*cmsg) + sizeof(sock_fd);
-+ cmsg->cmsg_level = SOL_SOCKET;
-+ cmsg->cmsg_type = SCM_RIGHTS;
-+
-+ memcpy(CMSG_DATA(cmsg), &sock_fd, sizeof(sock_fd));
-+
-+ msg.msg_control = cmsg;
-+ msg.msg_controllen = cmsg->cmsg_len;
-+
-+
-+ if (processor->status == CHILD_STATUS_STANDBY)
-+ {
-+ _DBG("Activating child #%d", processor->id);
-+ processor->status = CHILD_STATUS_STARTING;
-+ }
-+
-+ _DBG("Writing message to %d, passing sock_fd: %d", processor->senv->output, sock_fd);
-+ _DBG("header_len=%d headers=\"%s\"", header_len, h.headers);
-+ _DBG("body_len=%d body=\"%s\"", body_len, body);
-+
-+ if ((rv = sendmsg(processor->senv->output, &msg, 0)) == -1)
-+ {
-+ apr_pool_destroy(r->pool);
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
-+ "Writing message failed %d %d", rv, errno);
-+ return -1;
-+ }
-+
-+ _DBG("Writing message succeeded %d", rv);
-+
-+ /* -- close the socket on our side -- */
-+ _DBG("closing socket %d on our side", sock_fd);
-+ apr_socket_close(thesock);
-+
-+ apr_pool_destroy(r->pool);
-+ return 1;
-+}
-+
-+
-+static apr_status_t receive_from_multiplexer(
-+ void **trans_sock, /* will be filled out w/ the received socket */
-+ ap_listen_rec *lr, /* listener to receive from */
-+ apr_pool_t *ptrans /* transaction wide pool */
-+)
-+{
-+ struct msghdr msg;
-+ struct cmsghdr *cmsg;
-+ char buff[HUGE_STRING_LEN] = "";
-+ char headers[HUGE_STRING_LEN] = "";
-+ char *body = "";
-+ apr_size_t header_len, body_len;
-+ struct iovec iov[4];
-+ int ret, fd_tmp;
-+ apr_os_sock_t ctrl_sock_fd;
-+ apr_os_sock_t trans_sock_fd;
-+ apr_sockaddr_t remote_addr;
-+ apr_os_sock_info_t sockinfo;
-+
-+ /* -- bucket's, brigades and their allocators */
-+ apr_bucket_alloc_t *alloc = apr_bucket_alloc_create(ptrans);
-+ apr_bucket_brigade *bb = apr_brigade_create(ptrans, alloc);
-+ apr_bucket *bucket;
-+
-+ /* prepare the buffers for receiving data from remote side */
-+ iov[0].iov_base = &header_len;
-+ iov[0].iov_len = sizeof(header_len);
-+ iov[1].iov_base = &body_len;
-+ iov[1].iov_len = sizeof(body_len);
-+ iov[2].iov_base = &remote_addr;
-+ iov[2].iov_len = sizeof(remote_addr);
-+ iov[3].iov_base = (char*)&buff;
-+ iov[3].iov_len = HUGE_STRING_LEN;
-+
-+ cmsg = apr_palloc(ptrans, sizeof(*cmsg) + sizeof(trans_sock_fd));
-+ cmsg->cmsg_len = sizeof(*cmsg) + sizeof(trans_sock_fd);
-+
-+ msg.msg_name = NULL;
-+ msg.msg_namelen = 0;
-+ msg.msg_iov = iov;
-+ msg.msg_iovlen = 4;
-+ msg.msg_control = cmsg;
-+ msg.msg_controllen = cmsg->cmsg_len;
-+
-+ /* -- receive data from socket -- */
-+ apr_os_sock_get(&ctrl_sock_fd, lr->sd);
-+ _DBG("receiving from sock_fd=%d", ctrl_sock_fd);
-+ ret = recvmsg(ctrl_sock_fd, &msg, 0);
-+
-+ if(ret == -1)
-+ _DBG("recvmsg failed with error \"%s\"", strerror(errno));
-+ else
-+ _DBG("recvmsg returned %d", ret);
-+
-+ /* -- extract socket from the cmsg -- */
-+ memcpy(&trans_sock_fd, CMSG_DATA(cmsg), sizeof(trans_sock_fd));
-+ /* here *trans_sock always == NULL (socket reset at got_fd), so
-+ we can use apr_os_sock_make() instead of apr_os_sock_put() */
-+ sockinfo.os_sock = &trans_sock_fd;
-+ sockinfo.local = NULL;
-+ sockinfo.remote = (struct sockaddr *)&remote_addr.sa.sin;
-+ sockinfo.family = remote_addr.family;
-+ sockinfo.type = SOCK_STREAM;
-+#ifdef APR_ENABLE_FOR_1_0
-+ sockinfo.protocol = 0;
-+#endif
-+ apr_os_sock_make((apr_socket_t **)trans_sock, &sockinfo, ptrans);
-+ apr_os_sock_get(&fd_tmp, *trans_sock);
-+
-+ _DBG("trans_sock=%ld fdx=%d sock_fd=%d",
-+ *trans_sock, trans_sock_fd, fd_tmp);
-+
-+ apr_cpystrn(headers, buff, header_len + 1);
-+ _DBG("header_len=%d headers=\"%s\"", header_len, headers);
-+
-+if (header_len) {
-+ _DBG("header_len > 0, we got a request", 0);
-+ /* -- store received data into an brigade and add
-+ it to the current transaction's pool -- */
-+ bucket = apr_bucket_eos_create(alloc);
-+ APR_BRIGADE_INSERT_HEAD(bb, bucket);
-+ bucket = apr_bucket_socket_create(*trans_sock, alloc);
-+ APR_BRIGADE_INSERT_HEAD(bb, bucket);
-+
-+ if (body_len) {
-+ body = (char*)&buff[header_len + 1];
-+ _DBG("body_len=%d body=\"%s\"", body_len, body);
-+
-+ bucket = apr_bucket_heap_create(body, body_len, NULL, alloc);
-+ APR_BRIGADE_INSERT_HEAD(bb, bucket);
-+ } else {
-+ _DBG("There is no body",0);
-+ }
-+
-+ bucket = apr_bucket_heap_create(headers, header_len, NULL, alloc);
-+
-+ APR_BRIGADE_INSERT_HEAD(bb, bucket);
-+ apr_pool_userdata_set(bb, "PERUSER_SOCKETS", NULL, ptrans);
-+} else {
-+ _DBG("header_len == 0, we got a socket only", 0);
-+}
-+ _DBG("returning 0", 0);
-+ return 0;
-+}
-+
-+
-+/* Set group privileges.
-+ *
-+ * Note that we use the username as set in the config files, rather than
-+ * the lookup of to uid --- the same uid may have multiple passwd entries,
-+ * with different sets of groups for each.
-+ */
-+
-+static int set_group_privs(uid_t uid, gid_t gid)
-+{
-+ if (!geteuid())
-+ {
-+ struct passwd *ent;
-+ const char *name;
-+
-+ /*
-+ * Set the GID before initgroups(), since on some platforms
-+ * setgid() is known to zap the group list.
-+ */
-+ if (setgid(gid) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
-+ "setgid: unable to set group id to Group %u",
-+ (unsigned)gid);
-+ return -1;
-+ }
-+
-+ /* if getpwuid() fails, just skip initgroups() */
-+
-+ if ((ent = getpwuid(uid)) != NULL)
-+ {
-+ name = ent->pw_name;
-+
-+ /* Reset `groups' attributes. */
-+
-+ if (initgroups(name, gid) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
-+ "initgroups: unable to set groups for User %s "
-+ "and Group %u", name, (unsigned)gid);
-+ return -1;
-+ }
-+ }
-+ }
-+ return 0;
-+}
-+
-+static int peruser_setup_child(int childnum)
-+{
-+ server_env_t *senv = CHILD_INFO_TABLE[childnum].senv;
-+
-+ if(senv->chroot) {
-+ _DBG("chdir to %s", senv->chroot);
-+ if(chdir(senv->chroot)) {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
-+ "chdir: unable to change to directory: %s",
-+ senv->chroot);
-+ return -1;
-+ }
-+
-+ _DBG("chroot to %s", senv->chroot);
-+ if(chroot(senv->chroot)) {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
-+ "chroot: unable to change root to: %s",
-+ senv->chroot);
-+ return -1;
-+ }
-+ }
-+
-+ if (senv->uid == -1 && senv->gid == -1) {
-+ return unixd_setup_child();
-+ }
-+ if (set_group_privs(senv->uid, senv->gid)) {
-+ return -1;
-+ }
-+ /* Only try to switch if we're running as root */
-+ if (!geteuid()
-+ && (
-+#ifdef _OSD_POSIX
-+ os_init_job_environment(ap_server_conf, unixd_config.user_name,
-+ one_process) != 0 ||
-+#endif
-+ setuid(senv->uid) == -1)) {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
-+ "setuid: unable to change to uid: %ld",
-+ (long) senv->uid);
-+ return -1;
-+ }
-+ return 0;
-+}
-+
-+static int check_signal(int signum)
-+{
-+ _DBG("signum=%d", signum);
-+ switch (signum) {
-+ case SIGTERM:
-+ case SIGINT:
-+ just_die(signum);
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+/* Send a single HTTP header field to the client. Note that this function
-+ * is used in calls to table_do(), so their interfaces are co-dependent.
-+ * In other words, don't change this one without checking table_do in alloc.c.
-+ * It returns true unless there was a write error of some kind.
-+ */
-+static int peruser_header_field(peruser_header *h,
-+ const char *fieldname, const char *fieldval)
-+{
-+ apr_pstrcat(h->p, h->headers, fieldname, ": ", fieldval, CRLF, NULL);
-+ return 1;
-+}
-+
-+static inline ap_listen_rec* listen_add(apr_pool_t* pool, apr_socket_t *sock, void* accept_func)
-+{
-+ ap_listen_rec *lr_walk, *lr_new;
-+
-+ _DBG("function entered", 0);
-+ /* -- create an new listener for this child -- */
-+ lr_new = apr_palloc(pool, sizeof(*lr_new));
-+ lr_new->sd = sock;
-+ lr_new->active = 1;
-+ lr_new->accept_func = accept_func;
-+ lr_new->next = NULL;
-+
-+ /* -- add the new listener_rec into the list -- */
-+ /* FIXME: should we somehow lock this list ? */
-+ lr_walk = ap_listeners;
-+ if (lr_walk)
-+ {
-+ while (lr_walk->next) lr_walk = lr_walk->next;
-+ lr_walk->next = lr_new;
-+ }
-+ else
-+ {
-+ ap_listeners = lr_walk = lr_new;
-+ }
-+ num_listensocks++;
-+ return lr_new;
-+}
-+
-+static inline void listen_clear()
-+{
-+ ap_listen_rec *lr_walk;
-+
-+ _DBG("function entered", 0);
-+
-+ /* FIXME: should we somehow lock this list ? */
-+ while (ap_listeners)
-+ {
-+ lr_walk = ap_listeners->next;
-+ apr_socket_close(ap_listeners->sd);
-+ ap_listeners = lr_walk;
-+ }
-+ num_listensocks=0;
-+}
-+
-+apr_status_t cleanup_child_info(void *d)
-+{
-+ if (child_info_image == NULL) {
-+ return APR_SUCCESS;
-+ }
-+
-+ free(child_info_image);
-+ child_info_image = NULL;
-+ apr_shm_destroy(child_info_shm);
-+
-+ return APR_SUCCESS;
-+}
-+
-+apr_status_t cleanup_server_environments(void *d)
-+{
-+ if (server_env_image == NULL) {
-+ return APR_SUCCESS;
-+ }
-+
-+ free(server_env_image);
-+ server_env_image = NULL;
-+ apr_shm_destroy(server_env_shm);
-+
-+ return APR_SUCCESS;
-+}
-+
-+static const char* child_clone();
-+
-+static void child_main(int child_num_arg)
-+{
-+ apr_pool_t *ptrans;
-+ apr_allocator_t *allocator;
-+ conn_rec *current_conn;
-+ apr_status_t status = APR_EINIT;
-+ int i;
-+ ap_listen_rec *lr;
-+ int curr_pollfd, last_pollfd = 0;
-+ apr_pollfd_t *pollset;
-+ int offset;
-+ ap_sb_handle_t *sbh;
-+ apr_status_t rv;
-+ apr_bucket_alloc_t *bucket_alloc;
-+ int fd;
-+ apr_socket_t *sock = NULL;
-+ apr_socket_t *pod_sock = NULL;
-+
-+ mpm_state = AP_MPMQ_STARTING; /* for benefit of any hooks that run as this
-+ * child initializes
-+ */
-+
-+ my_child_num = child_num_arg;
-+ ap_my_pid = getpid();
-+ requests_this_child = 0;
-+
-+ _DBG("sock_fd_in=%d sock_fd_out=%d",
-+ CHILD_INFO_TABLE[my_child_num].senv->input,
-+ CHILD_INFO_TABLE[my_child_num].senv->output);
-+
-+ /* Get a sub context for global allocations in this child, so that
-+ * we can have cleanups occur when the child exits.
-+ */
-+ apr_allocator_create(&allocator);
-+ apr_allocator_max_free_set(allocator, ap_max_mem_free);
-+ apr_pool_create_ex(&pchild, pconf, NULL, allocator);
-+ apr_allocator_owner_set(allocator, pchild);
-+
-+ apr_pool_create(&ptrans, pchild);
-+ apr_pool_tag(ptrans, "transaction");
-+
-+ /* needs to be done before we switch UIDs so we have permissions */
-+ ap_reopen_scoreboard(pchild, NULL, 0);
-+
-+ rv = apr_proc_mutex_child_init(&accept_mutex, ap_lock_fname, pchild);
-+ if (rv != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_EMERG, rv, ap_server_conf,
-+ "Couldn't initialize cross-process lock in child");
-+ clean_child_exit(APEXIT_CHILDFATAL);
-+ }
-+
-+ switch(CHILD_INFO_TABLE[my_child_num].type)
-+ {
-+ case CHILD_TYPE_MULTIPLEXER:
-+ _DBG("MULTIPLEXER %d", my_child_num);
-+
-+ /* update status on processors that are ready to accept requests */
-+ _DBG("updating processor stati", 0);
-+ for(i = 0; i < NUM_CHILDS; ++i)
-+ {
-+ if(CHILD_INFO_TABLE[i].status == CHILD_STATUS_READY)
-+ CHILD_INFO_TABLE[i].status = CHILD_STATUS_ACTIVE;
-+ }
-+
-+ break;
-+
-+ case CHILD_TYPE_PROCESSOR:
-+ case CHILD_TYPE_WORKER:
-+ _DBG("%s %d", child_type_string(CHILD_INFO_TABLE[my_child_num].type), my_child_num);
-+
-+ /* -- create new listener to receive from multiplexer -- */
-+ apr_os_sock_put(&sock, &CHILD_INFO_TABLE[my_child_num].senv->input, pconf);
-+ listen_clear();
-+ listen_add(pconf, sock, receive_from_multiplexer);
-+
-+ break;
-+
-+ default:
-+ _DBG("unspecified child type for %d sleeping a while ...", my_child_num);
-+ sleep(5);
-+ return;
-+ }
-+
-+ apr_os_file_get(&fd, pipe_of_death_in);
-+ apr_os_sock_put(&pod_sock, &fd, pconf);
-+ listen_add(pconf, pod_sock, check_pipe_of_death);
-+
-+ if(peruser_setup_child(my_child_num) != 0)
-+ clean_child_exit(APEXIT_CHILDFATAL);
-+
-+ ap_run_child_init(pchild, ap_server_conf);
-+
-+ ap_create_sb_handle(&sbh, pchild, my_child_num, 0);
-+ (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);
-+
-+ /* Set up the pollfd array */
-+ listensocks = apr_pcalloc(pchild,
-+ sizeof(*listensocks) * (num_listensocks));
-+ for (lr = ap_listeners, i = 0; i < num_listensocks; lr = lr->next, i++) {
-+ listensocks[i].accept_func = lr->accept_func;
-+ listensocks[i].sd = lr->sd;
-+ }
-+
-+ pollset = apr_palloc(pchild, sizeof(*pollset) * num_listensocks);
-+ pollset[0].p = pchild;
-+ for (i = 0; i < num_listensocks; i++) {
-+ pollset[i].desc.s = listensocks[i].sd;
-+ pollset[i].desc_type = APR_POLL_SOCKET;
-+ pollset[i].reqevents = APR_POLLIN;
-+ }
-+
-+ mpm_state = AP_MPMQ_RUNNING;
-+
-+ bucket_alloc = apr_bucket_alloc_create(pchild);
-+
-+ while (!die_now) {
-+ /*
-+ * (Re)initialize this child to a pre-connection state.
-+ */
-+
-+ current_conn = NULL;
-+
-+ apr_pool_clear(ptrans);
-+
-+ if (CHILD_INFO_TABLE[my_child_num].type != CHILD_TYPE_MULTIPLEXER
-+ && ap_max_requests_per_child > 0
-+ && requests_this_child++ >= ap_max_requests_per_child) {
-+ _DBG("max requests reached, dying now", 0);
-+ clean_child_exit(0);
-+ }
-+
-+ (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);
-+
-+ /*
-+ * Wait for an acceptable connection to arrive.
-+ */
-+
-+ /* Lock around "accept", if necessary */
-+ SAFE_ACCEPT(accept_mutex_on());
-+
-+ if (num_listensocks == 1) {
-+ offset = 0;
-+ }
-+ else {
-+ /* multiple listening sockets - need to poll */
-+ for (;;) {
-+ apr_status_t ret;
-+ apr_int32_t n;
-+
-+ ret = apr_poll(pollset, num_listensocks, &n, -1);
-+ if (ret != APR_SUCCESS) {
-+ if (APR_STATUS_IS_EINTR(ret)) {
-+ continue;
-+ }
-+ /* Single Unix documents select as returning errnos
-+ * EBADF, EINTR, and EINVAL... and in none of those
-+ * cases does it make sense to continue. In fact
-+ * on Linux 2.0.x we seem to end up with EFAULT
-+ * occasionally, and we'd loop forever due to it.
-+ */
-+ ap_log_error(APLOG_MARK, APLOG_ERR, ret, ap_server_conf,
-+ "apr_poll: (listen)");
-+ clean_child_exit(1);
-+ }
-+ /* find a listener */
-+ curr_pollfd = last_pollfd;
-+ do {
-+ curr_pollfd++;
-+ if (curr_pollfd >= num_listensocks) {
-+ curr_pollfd = 0;
-+ }
-+ /* XXX: Should we check for POLLERR? */
-+ if (pollset[curr_pollfd].rtnevents & APR_POLLIN) {
-+ last_pollfd = curr_pollfd;
-+ offset = curr_pollfd;
-+ goto got_fd;
-+ }
-+ } while (curr_pollfd != last_pollfd);
-+
-+ continue;
-+ }
-+ }
-+ got_fd:
-+ _DBG("input available ... resetting socket.",0);
-+ sock = NULL; /* important! */
-+
-+ /* if we accept() something we don't want to die, so we have to
-+ * defer the exit
-+ */
-+ status = listensocks[offset].accept_func((void *)&sock, &listensocks[offset], ptrans);
-+ SAFE_ACCEPT(accept_mutex_off()); /* unlock after "accept" */
-+
-+ if (status == APR_EGENERAL) {
-+ /* resource shortage or should-not-occur occured */
-+ clean_child_exit(1);
-+ }
-+ else if (status != APR_SUCCESS || die_now) {
-+ continue;
-+ }
-+
-+ if (CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_PROCESSOR ||
-+ CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_WORKER)
-+ {
-+ _DBG("CHECKING IF WE SHOULD CLONE A CHILD...");
-+
-+ _DBG("total_processors = %d, max_processors = %d",
-+ total_processors(my_child_num),
-+ CHILD_INFO_TABLE[my_child_num].senv->max_processors);
-+
-+ _DBG("idle_processors = %d, min_free_processors = %d",
-+ idle_processors(my_child_num),
-+ CHILD_INFO_TABLE[my_child_num].senv->min_free_processors);
-+
-+ if(total_processors(my_child_num) <
-+ CHILD_INFO_TABLE[my_child_num].senv->max_processors &&
-+ idle_processors(my_child_num) <=
-+ CHILD_INFO_TABLE[my_child_num].senv->min_free_processors)
-+ {
-+ _DBG("CLONING CHILD");
-+ child_clone();
-+ }
-+ }
-+
-+ if (!setjmp(CHILD_INFO_TABLE[my_child_num].jmpbuffer))
-+ {
-+ _DBG("marked jmpbuffer",0);
-+ _TRACE_CALL("process_socket()",0);
-+ process_socket(ptrans, sock, my_child_num, bucket_alloc, pchild);
-+ _TRACE_RET("process_socket()",0);
-+ }
-+ else
-+ {
-+ _DBG("landed from longjmp",0);
-+ CHILD_INFO_TABLE[my_child_num].sock_fd = AP_PERUSER_THISCHILD;
-+ }
-+
-+ /* Check the pod and the generation number after processing a
-+ * connection so that we'll go away if a graceful restart occurred
-+ * while we were processing the connection or we are the lucky
-+ * idle server process that gets to die.
-+ */
-+ if (ap_mpm_pod_check(pod) == APR_SUCCESS) { /* selected as idle? */
-+ _DBG("ap_mpm_pod_check(pod) = APR_SUCCESS; dying now", 0);
-+ die_now = 1;
-+ }
-+ else if (ap_my_generation !=
-+ ap_scoreboard_image->global->running_generation) { /* restart? */
-+ /* yeah, this could be non-graceful restart, in which case the
-+ * parent will kill us soon enough, but why bother checking?
-+ */
-+ _DBG("ap_my_generation != ap_scoreboard_image->global->running_generation; dying now", 0);
-+ die_now = 1;
-+ }
-+
-+ if(CHILD_INFO_TABLE[my_child_num].status == CHILD_STATUS_RESTART)
-+ {
-+ _DBG("restarting", 0);
-+ die_now = 1;
-+ }
-+ }
-+
-+ _DBG("clean_child_exit(0)");
-+ clean_child_exit(0);
-+}
-+
-+static server_env_t* senv_add(int uid, int gid, const char* chroot)
-+{
-+ int i;
-+ int socks[2];
-+
-+ _DBG("Searching for matching senv...");
-+
-+ for(i = 0; i < NUM_SENV; i++)
-+ {
-+ if(SENV[i].uid == uid && SENV[i].gid == gid &&
-+ (SENV[i].chroot == NULL || !strcmp(SENV[i].chroot, chroot)))
-+ {
-+ _DBG("Found existing senv: %i", i);
-+ return &SENV[i];
-+ }
-+ }
-+
-+ if(NUM_SENV >= server_limit)
-+ {
-+ _DBG("server_limit reached!");
-+ return NULL;
-+ }
-+
-+ _DBG("Creating new senv");
-+
-+ SENV[NUM_SENV].uid = uid;
-+ SENV[NUM_SENV].gid = gid;
-+ SENV[NUM_SENV].chroot = chroot;
-+
-+ SENV[NUM_SENV].min_processors = ap_min_processors;
-+ SENV[NUM_SENV].min_free_processors = ap_min_free_processors;
-+ SENV[NUM_SENV].max_processors = ap_max_processors;
-+
-+ socketpair(PF_UNIX, SOCK_STREAM, 0, socks);
-+ SENV[NUM_SENV].input = socks[0];
-+ SENV[NUM_SENV].output = socks[1];
-+
-+ return &SENV[server_env_image->control->num++];
-+}
-+
-+static const char* child_clone()
-+{
-+ int i;
-+ child_info_t *this;
-+ child_info_t *new;
-+
-+ for(i = 0; i < NUM_CHILDS; i++)
-+ {
-+ if(CHILD_INFO_TABLE[i].pid == 0 &&
-+ CHILD_INFO_TABLE[i].type == CHILD_TYPE_UNKNOWN) break;
-+ }
-+
-+ if(i == NUM_CHILDS && NUM_CHILDS >= server_limit)
-+ {
-+ _DBG("Trying to use more child ID's than NumServers. "
-+ "Increase NumServers in your config file.");
-+ return NULL;
-+ }
-+
-+ _DBG("cloning child #%d from #%d", i, my_child_num);
-+
-+ this = &CHILD_INFO_TABLE[my_child_num];
-+ new = &CHILD_INFO_TABLE[i];
-+
-+ new->senv = this->senv;
-+ new->type = CHILD_TYPE_WORKER;
-+ new->sock_fd = this->sock_fd;
-+ new->status = CHILD_STATUS_STARTING;
-+
-+ if(i == NUM_CHILDS) child_info_image->control->num++;
-+ return NULL;
-+}
-+
-+static const char* child_add(int type, int status,
-+ apr_pool_t *pool, uid_t uid, gid_t gid, const char* chroot)
-+{
-+ _DBG("adding child #%d", NUM_CHILDS);
-+
-+ if(NUM_CHILDS >= server_limit)
-+ {
-+ return "Trying to use more child ID's than NumServers. "
-+ "Increase NumServers in your config file.";
-+ }
-+
-+ if (chroot && !ap_is_directory(pool, chroot))
-+ return apr_psprintf(pool, "Error: chroot directory [%s] does not exist", chroot);
-+
-+ CHILD_INFO_TABLE[NUM_CHILDS].senv = senv_add(uid, gid, chroot);
-+
-+ if(CHILD_INFO_TABLE[NUM_CHILDS].senv == NULL)
-+ {
-+ return "Trying to use more server environments than NumServers. "
-+ "Increase NumServers in your config file.";
-+ }
-+
-+ if(type != CHILD_TYPE_WORKER)
-+ CHILD_INFO_TABLE[NUM_CHILDS].senv->processor_id = NUM_CHILDS;
-+
-+ CHILD_INFO_TABLE[NUM_CHILDS].type = type;
-+ CHILD_INFO_TABLE[NUM_CHILDS].sock_fd = AP_PERUSER_THISCHILD;
-+ CHILD_INFO_TABLE[NUM_CHILDS].status = status;
-+
-+ _DBG("[%d] uid=%d gid=%d type=%d chroot=%s",
-+ NUM_CHILDS, uid, gid, type,
-+ chroot);
-+
-+ if (uid == 0 || gid == 0)
-+ {
-+ _DBG("Assigning root user/group to a child.", 0);
-+ }
-+
-+ child_info_image->control->num++;
-+
-+ return NULL;
-+}
-+
-+static int make_child(server_rec *s, int slot)
-+{
-+ int pid;
-+
-+ _DBG("function entered", 0);
-+ dump_server_env_image();
-+
-+ switch (CHILD_INFO_TABLE[slot].type)
-+ {
-+ case CHILD_TYPE_MULTIPLEXER: break;
-+ case CHILD_TYPE_PROCESSOR: break;
-+ case CHILD_TYPE_WORKER: break;
-+
-+ default:
-+ _DBG("no valid client in slot %d", slot);
-+ /* sleep(1); */
-+ return 0;
-+ }
-+
-+ if (slot + 1 > ap_max_daemons_limit) {
-+ ap_max_daemons_limit = slot + 1;
-+ }
-+
-+ if (one_process) {
-+ apr_signal(SIGHUP, just_die);
-+ /* Don't catch AP_SIG_GRACEFUL in ONE_PROCESS mode :) */
-+ apr_signal(SIGINT, just_die);
-+#ifdef SIGQUIT
-+ apr_signal(SIGQUIT, SIG_DFL);
-+#endif
-+ apr_signal(SIGTERM, just_die);
-+ child_main(slot);
-+ }
-+
-+ (void) ap_update_child_status_from_indexes(slot, 0, SERVER_STARTING,
-+ (request_rec *) NULL);
-+
-+ CHILD_INFO_TABLE[slot].status = CHILD_STATUS_ACTIVE;
-+
-+
-+#ifdef _OSD_POSIX
-+ /* BS2000 requires a "special" version of fork() before a setuid() call */
-+ if ((pid = os_fork(unixd_config.user_name)) == -1) {
-+#elif defined(TPF)
-+ if ((pid = os_fork(s, slot)) == -1) {
-+#else
-+ if ((pid = fork()) == -1) {
-+#endif
-+ ap_log_error(APLOG_MARK, APLOG_ERR, errno, s, "fork: Unable to fork new process");
-+
-+ /* fork didn't succeed. Fix the scoreboard or else
-+ * it will say SERVER_STARTING forever and ever
-+ */
-+ (void) ap_update_child_status_from_indexes(slot, 0, SERVER_DEAD,
-+ (request_rec *) NULL);
-+
-+ /* In case system resources are maxxed out, we don't want
-+ Apache running away with the CPU trying to fork over and
-+ over and over again. */
-+ sleep(10);
-+
-+ return -1;
-+ }
-+
-+ if (!pid) {
-+#ifdef HAVE_BINDPROCESSOR
-+ /* by default AIX binds to a single processor
-+ * this bit unbinds children which will then bind to another cpu
-+ */
-+ int status = bindprocessor(BINDPROCESS, (int)getpid(),
-+ PROCESSOR_CLASS_ANY);
-+ if (status != OK) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno,
-+ ap_server_conf, "processor unbind failed %d", status);
-+ }
-+#endif
-+ RAISE_SIGSTOP(MAKE_CHILD);
-+ AP_MONCONTROL(1);
-+ /* Disable the parent's signal handlers and set up proper handling in
-+ * the child.
-+ */
-+ apr_signal(SIGHUP, just_die);
-+ apr_signal(SIGTERM, just_die);
-+ /* The child process doesn't do anything for AP_SIG_GRACEFUL.
-+ * Instead, the pod is used for signalling graceful restart.
-+ */
-+ /* apr_signal(AP_SIG_GRACEFUL, restart); */
-+ child_main(slot);
-+ clean_child_exit(0);
-+ }
-+
-+ ap_scoreboard_image->parent[slot].pid = pid;
-+ CHILD_INFO_TABLE[slot].pid = pid;
-+
-+ ap_child_table[slot].pid = pid;
-+ ap_child_table[slot].status = SERVER_ALIVE;
-+
-+ return 0;
-+}
-+
-+
-+/*
-+ * idle_spawn_rate is the number of children that will be spawned on the
-+ * next maintenance cycle if there aren't enough idle servers. It is
-+ * doubled up to MAX_SPAWN_RATE, and reset only when a cycle goes by
-+ * without the need to spawn.
-+ */
-+static int idle_spawn_rate = 1;
-+#ifndef MAX_SPAWN_RATE
-+#define MAX_SPAWN_RATE (32)
-+#endif
-+static int total_processes(int child_num)
-+{
-+ int i, total;
-+ for(i = 0, total = 0; i < NUM_CHILDS; ++i)
-+ {
-+ if(CHILD_INFO_TABLE[i].senv == CHILD_INFO_TABLE[child_num].senv &&
-+ (!(CHILD_INFO_TABLE[i].type == CHILD_TYPE_PROCESSOR &&
-+ CHILD_INFO_TABLE[i].status == CHILD_STATUS_STANDBY)))
-+ {
-+ total++;
-+ }
-+ }
-+ return total;
-+}
-+
-+static void perform_idle_server_maintenance(apr_pool_t *p)
-+{
-+ int i;
-+ apr_time_t now;
-+
-+ /* _DBG("function entered", 0); */
-+
-+ now = apr_time_now();
-+
-+ for (i = 0; i < NUM_CHILDS; ++i)
-+ {
-+ if(CHILD_INFO_TABLE[i].pid == 0)
-+ {
-+ if(CHILD_INFO_TABLE[i].status == CHILD_STATUS_STARTING)
-+ make_child(ap_server_conf, i);
-+ }
-+ else if(((CHILD_INFO_TABLE[i].type == CHILD_TYPE_PROCESSOR ||
-+ CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER) &&
-+ ap_scoreboard_image->parent[i].pid > 1) &&
-+ (idle_processors (i) > 1 || total_processes (i) == 1) && (
-+ (expire_timeout > 0 && ap_scoreboard_image->servers[i][0].status != SERVER_DEAD &&
-+ apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > expire_timeout) ||
-+ (idle_timeout > 0 && ap_scoreboard_image->servers[i][0].status == SERVER_READY &&
-+ apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > idle_timeout)))
-+ {
-+ CHILD_INFO_TABLE[i].pid = 0;
-+ CHILD_INFO_TABLE[i].status = CHILD_STATUS_STANDBY;
-+
-+ if(CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER)
-+ {
-+ /* completely free up this slot */
-+
-+ CHILD_INFO_TABLE[i].senv = (server_env_t*)NULL;
-+ CHILD_INFO_TABLE[i].type = CHILD_TYPE_UNKNOWN;
-+ CHILD_INFO_TABLE[i].sock_fd = -3; /* -1 and -2 are taken */
-+ }
-+ if(kill(ap_scoreboard_image->parent[i].pid, SIGTERM) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno,
-+ ap_server_conf, "kill SIGTERM");
-+ }
-+
-+
-+ ap_update_child_status_from_indexes(i, 0, SERVER_DEAD, NULL);
-+ }
-+ }
-+
-+ for(i=0;i<grace_children;i++) {
-+ if (child_grace_info_table[i].pid > 0 && expire_timeout > 0 &&
-+ apr_time_sec(now - child_grace_info_table[i].last_used) > expire_timeout) {
-+
-+ _DBG("Killing a child from last graceful (pid=%d,childno=%d,last_used=%d)",
-+ child_grace_info_table[i].pid, child_grace_info_table[i].id,
-+ child_grace_info_table[i].last_used);
-+
-+ if(kill(child_grace_info_table[i].pid, SIGTERM) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno,
-+ ap_server_conf, "kill SIGTERM");
-+ }
-+
-+ /* We don't need to do remove_grace_child() here,
-+ * because it will be automatically done once
-+ * the child dies by ap_mpm_run() */
-+ }
-+ }
-+}
-+
-+int remove_grace_child(int slot) {
-+ if (slot < grace_children) {
-+ child_grace_info_table[slot].id = 0;
-+ child_grace_info_table[slot].pid = 0;
-+ child_grace_info_table[slot].status = CHILD_STATUS_STANDBY;
-+ child_grace_info_table[slot].type = CHILD_TYPE_UNKNOWN;
-+ child_grace_info_table[slot].last_used = 0;
-+ grace_children_alive--;
-+
-+ if (grace_children_alive <= 0) { /* All children have returned from graceful */
-+ _DBG("Every child has returned from graceful restart - freeing child_grace_info_table");
-+ grace_children_alive = 0;
-+ is_graceful = 0;
-+ grace_children = 0;
-+ free(child_grace_info_table);
-+ }
-+ return 0;
-+ }
-+ return 1;
-+}
-+
-+/*****************************************************************
-+ * Executive routines.
-+ */
-+
-+int ap_mpm_run(apr_pool_t *_pconf, apr_pool_t *plog, server_rec *s)
-+{
-+ int i;
-+/* int fd; */
-+ apr_status_t rv;
-+ apr_size_t one = 1;
-+/* apr_socket_t *sock = NULL; */
-+
-+ ap_log_pid(pconf, ap_pid_fname);
-+
-+ first_server_limit = server_limit;
-+ if (changed_limit_at_restart) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,
-+ "WARNING: Attempt to change ServerLimit "
-+ "ignored during restart");
-+ changed_limit_at_restart = 0;
-+ }
-+
-+ ap_server_conf = s;
-+
-+ /* Initialize cross-process accept lock */
-+ ap_lock_fname = apr_psprintf(_pconf, "%s.%" APR_PID_T_FMT,
-+ ap_server_root_relative(_pconf, ap_lock_fname),
-+ ap_my_pid);
-+
-+ rv = apr_proc_mutex_create(&accept_mutex, ap_lock_fname,
-+ ap_accept_lock_mech, _pconf);
-+ if (rv != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_EMERG, rv, s,
-+ "Couldn't create accept lock");
-+ mpm_state = AP_MPMQ_STOPPING;
-+ return 1;
-+ }
-+
-+#if 0
-+#if APR_USE_SYSVSEM_SERIALIZE
-+ if (ap_accept_lock_mech == APR_LOCK_DEFAULT ||
-+ ap_accept_lock_mech == APR_LOCK_SYSVSEM) {
-+#else
-+ if (ap_accept_lock_mech == APR_LOCK_SYSVSEM) {
-+#endif
-+ rv = unixd_set_proc_mutex_perms(accept_mutex);
-+ if (rv != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_EMERG, rv, s,
-+ "Couldn't set permissions on cross-process lock; "
-+ "check User and Group directives");
-+ mpm_state = AP_MPMQ_STOPPING;
-+ return 1;
-+ }
-+ }
-+#endif
-+
-+ if (!is_graceful) {
-+ if (ap_run_pre_mpm(s->process->pool, SB_SHARED) != OK) {
-+ mpm_state = AP_MPMQ_STOPPING;
-+ return 1;
-+ }
-+ /* fix the generation number in the global score; we just got a new,
-+ * cleared scoreboard
-+ */
-+ ap_scoreboard_image->global->running_generation = ap_my_generation;
-+ }
-+
-+ /* Initialize the child table */
-+ if (!is_graceful)
-+ {
-+ for (i = 0; i < server_limit; i++)
-+ {
-+ ap_child_table[i].pid = 0;
-+ }
-+ }
-+
-+ /* We need to put the new listeners at the end of the ap_listeners
-+ * list. If we don't, then the pool will be cleared before the
-+ * open_logs phase is called for the second time, and ap_listeners
-+ * will have only invalid data. If that happens, then the sockets
-+ * that we opened using make_sock() will be lost, and the server
-+ * won't start.
-+ */
-+
-+/*
-+ apr_os_file_get(&fd, pipe_of_death_in);
-+ apr_os_sock_put(&sock, &fd, pconf);
-+
-+ listen_add(pconf, sock, check_pipe_of_death);
-+*/
-+ set_signals();
-+
-+ if (one_process) {
-+ AP_MONCONTROL(1);
-+ }
-+
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
-+ "%s configured -- resuming normal operations",
-+ ap_get_server_version());
-+ ap_log_error(APLOG_MARK, APLOG_INFO, 0, ap_server_conf,
-+ "Server built: %s", ap_get_server_built());
-+#ifdef AP_MPM_WANT_SET_ACCEPT_LOCK_MECH
-+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
-+ "AcceptMutex: %s (default: %s)",
-+ apr_proc_mutex_name(accept_mutex),
-+ apr_proc_mutex_defname());
-+#endif
-+ restart_pending = shutdown_pending = 0;
-+
-+ mpm_state = AP_MPMQ_RUNNING;
-+
-+ _DBG("sizeof(child_info_t) = %d", sizeof(child_info_t));
-+
-+ while (!restart_pending && !shutdown_pending) {
-+ int child_slot;
-+ apr_exit_why_e exitwhy;
-+ int status, processed_status;
-+ /* this is a memory leak, but I'll fix it later. */
-+ apr_proc_t pid;
-+
-+ ap_wait_or_timeout(&exitwhy, &status, &pid, pconf);
-+
-+ /* XXX: if it takes longer than 1 second for all our children
-+ * to start up and get into IDLE state then we may spawn an
-+ * extra child
-+ */
-+ if (pid.pid != -1) {
-+ processed_status = ap_process_child_status(&pid, exitwhy, status);
-+ if (processed_status == APEXIT_CHILDFATAL) {
-+ mpm_state = AP_MPMQ_STOPPING;
-+ return 1;
-+ }
-+
-+ if (grace_children > 0) {
-+ for(i=0;i<grace_children;i++) {
-+ if (child_grace_info_table[i].pid == pid.pid) {
-+ break;
-+ }
-+ }
-+ if (i != grace_children) {
-+ _DBG("Child returned from graceful (%d)", i);
-+ remove_grace_child(i);
-+ continue;
-+ }
-+ }
-+
-+ /* non-fatal death... note that it's gone in the scoreboard. */
-+ child_slot = find_child_by_pid(&pid);
-+ _DBG("child #%d has died ...", child_slot);
-+
-+ for (i = 0; i < ap_max_daemons_limit; ++i)
-+ {
-+ if (ap_child_table[i].pid == pid.pid)
-+ {
-+ child_slot = i;
-+ break;
-+ }
-+ }
-+
-+ if (child_slot >= 0) {
-+ ap_child_table[child_slot].pid = 0;
-+ _TRACE_CALL("ap_update_child_status_from_indexes", 0);
-+ (void) ap_update_child_status_from_indexes(child_slot, 0, SERVER_DEAD,
-+ (request_rec *) NULL);
-+ _TRACE_RET("ap_update_child_status_from_indexes", 0);
-+
-+ if (processed_status == APEXIT_CHILDSICK) {
-+ /* child detected a resource shortage (E[NM]FILE, ENOBUFS, etc)
-+ * cut the fork rate to the minimum
-+ */
-+ _DBG("processed_status = APEXIT_CHILDSICK", 0);
-+ idle_spawn_rate = 1;
-+ }
-+ else if (CHILD_INFO_TABLE[child_slot].status == CHILD_STATUS_STANDBY) {
-+ _DBG("leaving child in standby state", 0);
-+ }
-+ else if (child_slot < ap_daemons_limit &&
-+ CHILD_INFO_TABLE[child_slot].type !=
-+ CHILD_TYPE_UNKNOWN) {
-+ /* we're still doing a 1-for-1 replacement of dead
-+ * children with new children
-+ */
-+ _DBG("replacing by new child ...", 0);
-+ make_child(ap_server_conf, child_slot);
-+ }
-+#if APR_HAS_OTHER_CHILD
-+ }
-+ else if (apr_proc_other_child_alert(&pid, APR_OC_REASON_DEATH, status) == APR_SUCCESS) {
-+ _DBG("Already handled", 0);
-+ /* handled */
-+#endif
-+ }
-+ else if (is_graceful) {
-+ /* Great, we've probably just lost a slot in the
-+ * scoreboard. Somehow we don't know about this
-+ * child.
-+ */
-+ _DBG("long lost child came home, whatever that means", 0);
-+
-+ ap_log_error(APLOG_MARK, APLOG_WARNING,
-+ 0, ap_server_conf,
-+ "long lost child came home! (pid %ld)", (long)pid.pid);
-+ }
-+ /* Don't perform idle maintenance when a child dies,
-+ * only do it when there's a timeout. Remember only a
-+ * finite number of children can die, and it's pretty
-+ * pathological for a lot to die suddenly.
-+ */
-+ continue;
-+ }
-+
-+ perform_idle_server_maintenance(pconf);
-+#ifdef TPF
-+ shutdown_pending = os_check_server(tpf_server_name);
-+ ap_check_signals();
-+ sleep(1);
-+#endif /*TPF */
-+ }
-+
-+ mpm_state = AP_MPMQ_STOPPING;
-+
-+ if (shutdown_pending) {
-+ /* Time to gracefully shut down:
-+ * Kill child processes, tell them to call child_exit, etc...
-+ */
-+ if (unixd_killpg(getpgrp(), SIGTERM) < 0) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "killpg SIGTERM");
-+ }
-+ ap_reclaim_child_processes(1); /* Start with SIGTERM */
-+
-+ /* cleanup pid file on normal shutdown */
-+ {
-+ const char *pidfile = NULL;
-+ pidfile = ap_server_root_relative (pconf, ap_pid_fname);
-+ if ( pidfile != NULL && unlink(pidfile) == 0)
-+ ap_log_error(APLOG_MARK, APLOG_INFO,
-+ 0, ap_server_conf,
-+ "removed PID file %s (pid=%ld)",
-+ pidfile, (long)getpid());
-+ }
-+
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
-+ "caught SIGTERM, shutting down");
-+ return 1;
-+ }
-+
-+ /* we've been told to restart */
-+ apr_signal(SIGHUP, SIG_IGN);
-+ if (one_process) {
-+ /* not worth thinking about */
-+ return 1;
-+ }
-+
-+ /* advance to the next generation */
-+ /* XXX: we really need to make sure this new generation number isn't in
-+ * use by any of the children.
-+ */
-+ ++ap_my_generation;
-+ ap_scoreboard_image->global->running_generation = ap_my_generation;
-+
-+ if (is_graceful) {
-+ char char_of_death = AP_PERUSER_CHAR_OF_DEATH;
-+
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
-+ "Graceful restart requested, doing restart");
-+
-+#if 0
-+ /* kill off the idle ones */
-+ ap_mpm_pod_killpg(pod, ap_max_daemons_limit);
-+
-+ /* This is mostly for debugging... so that we know what is still
-+ * gracefully dealing with existing request. This will break
-+ * in a very nasty way if we ever have the scoreboard totally
-+ * file-based (no shared memory)
-+ */
-+ for (i = 0; i < ap_daemons_limit; ++i) {
-+ if (ap_scoreboard_image->servers[i][0].status != SERVER_DEAD) {
-+ ap_scoreboard_image->servers[i][0].status = SERVER_GRACEFUL;
-+ }
-+ }
-+#endif
-+
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0,
-+ ap_server_conf, AP_SIG_GRACEFUL_STRING " received. "
-+ "Doing graceful restart");
-+
-+ /* This is mostly for debugging... so that we know what is still
-+ * gracefully dealing with existing request.
-+ */
-+
-+ int alivechildren = 0;
-+ child_grace_info_t* old_grace_info;
-+
-+ for (i = 0; i < NUM_CHILDS; ++i)
-+ {
-+ ((ap_child_table[i].pid) && (ap_child_table[i].status = SERVER_DYING));
-+
-+ if (CHILD_INFO_TABLE[i].pid) {
-+ alivechildren++;
-+ }
-+ }
-+
-+ _DBG("Initializing child_grace_info_table", 0);
-+
-+ if (alivechildren > 0) {
-+ if (grace_children > 0) {
-+ old_grace_info = child_grace_info_table;
-+ _DBG("%d children still living from last graceful "
-+ "- adding to new child_grace_info_table",
-+ grace_children);
-+ }
-+
-+ child_grace_info_table = (child_grace_info_t*)calloc(alivechildren+grace_children,
-+ sizeof(child_grace_info_t));
-+
-+ if (grace_children > 0) {
-+ for(i=0;i<grace_children;i++) {
-+ child_grace_info_table[i] = old_grace_info[i];
-+ }
-+ grace_children = i;
-+ free(old_grace_info);
-+ }
-+ else grace_children = 0;
-+
-+ }
-+
-+ /* give the children the signal to die */
-+ for (i = 0; i < NUM_CHILDS;)
-+ {
-+ if ((rv = apr_file_write(pipe_of_death_out, &char_of_death, &one)) != APR_SUCCESS)
-+ {
-+ if (APR_STATUS_IS_EINTR(rv)) continue;
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf,
-+ "write pipe_of_death");
-+ }
-+ if (CHILD_INFO_TABLE[i].pid) {
-+ child_grace_info_table[grace_children].id = CHILD_INFO_TABLE[i].id;
-+ child_grace_info_table[grace_children].pid = CHILD_INFO_TABLE[i].pid;
-+ child_grace_info_table[grace_children].status = CHILD_INFO_TABLE[i].status;
-+ child_grace_info_table[grace_children].type = CHILD_INFO_TABLE[i].type;
-+ child_grace_info_table[grace_children].last_used= ap_scoreboard_image->servers[i][0].last_used;
-+ grace_children++;
-+ grace_children_alive++;
-+ }
-+ i++;
-+ }
-+ _DBG("Total children of %d leaving behind for graceful restart (%d living)",
-+ grace_children, grace_children_alive);
-+
-+ /* destroy server_env_image */
-+ for (i = 0; i < NUM_SENV; i++)
-+ {
-+ close(SENV[i].input);
-+ close(SENV[i].output);
-+ }
-+ cleanup_server_environments(NULL);
-+ }
-+ else {
-+ /* Kill 'em off */
-+ if (unixd_killpg(getpgrp(), SIGHUP) < 0) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "killpg SIGHUP");
-+ }
-+ ap_reclaim_child_processes(0); /* Not when just starting up */
-+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
-+ "SIGHUP received. Attempting to restart");
-+ }
-+
-+ return 0;
-+}
-+
-+/* == allocate an private server config structure == */
-+static void *peruser_create_config(apr_pool_t *p, server_rec *s)
-+{
-+ peruser_server_conf *c = (peruser_server_conf *)
-+ apr_pcalloc(p, sizeof(peruser_server_conf));
-+ return c;
-+}
-+
-+/* This really should be a post_config hook, but the error log is already
-+ * redirected by that point, so we need to do this in the open_logs phase.
-+ */
-+static int peruser_open_logs(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
-+{
-+ apr_status_t rv;
-+
-+ pconf = p;
-+ ap_server_conf = s;
-+
-+ if ((num_listensocks = ap_setup_listeners(ap_server_conf)) < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_ALERT|APLOG_STARTUP, 0,
-+ NULL, "no listening sockets available, shutting down");
-+ return DONE;
-+ }
-+
-+ ap_log_pid(pconf, ap_pid_fname);
-+
-+ if ((rv = ap_mpm_pod_open(pconf, &pod))) {
-+ ap_log_error(APLOG_MARK, APLOG_CRIT|APLOG_STARTUP, rv, NULL,
-+ "Could not open pipe-of-death.");
-+ return DONE;
-+ }
-+
-+ if ((rv = apr_file_pipe_create(&pipe_of_death_in, &pipe_of_death_out,
-+ pconf)) != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, rv,
-+ (const server_rec*) ap_server_conf,
-+ "apr_file_pipe_create (pipe_of_death)");
-+ exit(1);
-+ }
-+ if ((rv = apr_file_pipe_timeout_set(pipe_of_death_in, 0)) != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, rv,
-+ (const server_rec*) ap_server_conf,
-+ "apr_file_pipe_timeout_set (pipe_of_death)");
-+ exit(1);
-+ }
-+
-+ return OK;
-+}
-+
-+static int restart_num = 0;
-+static int peruser_pre_config(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp)
-+{
-+ int no_detach, debug, foreground, i;
-+ int tmp_server_limit = DEFAULT_SERVER_LIMIT;
-+ ap_directive_t *pdir;
-+ apr_status_t rv;
-+ apr_pool_t *global_pool;
-+ void *shmem;
-+
-+ mpm_state = AP_MPMQ_STARTING;
-+
-+ debug = ap_exists_config_define("DEBUG");
-+
-+ if (debug) {
-+ foreground = one_process = 1;
-+ no_detach = 0;
-+ }
-+ else
-+ {
-+ no_detach = ap_exists_config_define("NO_DETACH");
-+ one_process = ap_exists_config_define("ONE_PROCESS");
-+ foreground = ap_exists_config_define("FOREGROUND");
-+ }
-+
-+ /* sigh, want this only the second time around */
-+ if (restart_num++ == 1) {
-+ if (!one_process && !foreground) {
-+ rv = apr_proc_detach(no_detach ? APR_PROC_DETACH_FOREGROUND
-+ : APR_PROC_DETACH_DAEMONIZE);
-+ if (rv != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
-+ "apr_proc_detach failed");
-+ return HTTP_INTERNAL_SERVER_ERROR;
-+ }
-+ }
-+
-+ parent_pid = ap_my_pid = getpid();
-+ }
-+
-+ unixd_pre_config(ptemp);
-+ ap_listen_pre_config();
-+ ap_min_processors = DEFAULT_MIN_PROCESSORS;
-+ ap_min_free_processors = DEFAULT_MIN_FREE_PROCESSORS;
-+ ap_max_processors = DEFAULT_MAX_PROCESSORS;
-+ ap_daemons_limit = server_limit;
-+ ap_pid_fname = DEFAULT_PIDLOG;
-+ ap_lock_fname = DEFAULT_LOCKFILE;
-+ ap_max_requests_per_child = DEFAULT_MAX_REQUESTS_PER_CHILD;
-+ ap_extended_status = 1;
-+#ifdef AP_MPM_WANT_SET_MAX_MEM_FREE
-+ ap_max_mem_free = APR_ALLOCATOR_MAX_FREE_UNLIMITED;
-+#endif
-+
-+ apr_cpystrn(ap_coredump_dir, ap_server_root, sizeof(ap_coredump_dir));
-+
-+ /* we need to know ServerLimit and ThreadLimit before we start processing
-+ * the tree because we need to already have allocated child_info_table
-+ */
-+ for (pdir = ap_conftree; pdir != NULL; pdir = pdir->next)
-+ {
-+ if (!strcasecmp(pdir->directive, "ServerLimit"))
-+ {
-+ if (atoi(pdir->args) > tmp_server_limit)
-+ {
-+ tmp_server_limit = atoi(pdir->args);
-+ if (tmp_server_limit > MAX_SERVER_LIMIT)
-+ {
-+ tmp_server_limit = MAX_SERVER_LIMIT;
-+ }
-+ }
-+ }
-+ }
-+
-+ /* We don't want to have to recreate the scoreboard after
-+ * restarts, so we'll create a global pool and never clean it.
-+ */
-+ rv = apr_pool_create(&global_pool, NULL);
-+ if (rv != APR_SUCCESS) {
-+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
-+ "Fatal error: unable to create global pool");
-+ return rv;
-+ }
-+
-+
-+ _DBG("Initializing child_info_table", 0);
-+ child_info_size = tmp_server_limit * sizeof(child_info_t) + sizeof(apr_size_t);
-+
-+ rv = apr_shm_create(&child_info_shm, child_info_size, NULL, global_pool);
-+
-+/* if ((rv != APR_SUCCESS) && (rv != APR_ENOTIMPL)) { */
-+ if (rv != APR_SUCCESS) {
-+ _DBG("shared memory creation failed", 0);
-+
-+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
-+ "Unable to create shared memory segment "
-+ "(anonymous shared memory failure)");
-+ }
-+ else if (rv == APR_ENOTIMPL) {
-+ _DBG("anonymous shared memory not available", 0);
-+ /* TODO: make up a filename and do name-based shmem */
-+ }
-+
-+ if (rv || !(shmem = apr_shm_baseaddr_get(child_info_shm))) {
-+ _DBG("apr_shm_baseaddr_get() failed", 0);
-+ return HTTP_INTERNAL_SERVER_ERROR;
-+ }
-+
-+ memset(shmem, 0, sizeof(child_info_size));
-+ child_info_image = (child_info*)calloc(1, sizeof(child_info_size));
-+ child_info_image->control = (child_info_control*)shmem;
-+ shmem += sizeof(child_info_control*);
-+ child_info_image->table = (child_info_t*)shmem;
-+
-+ child_info_image->control->num = 0;
-+
-+ for (i = 0; i < tmp_server_limit; i++)
-+ {
-+ CHILD_INFO_TABLE[i].pid = 0;
-+ CHILD_INFO_TABLE[i].senv = (server_env_t*)NULL;
-+ CHILD_INFO_TABLE[i].type = CHILD_TYPE_UNKNOWN;
-+ CHILD_INFO_TABLE[i].status = CHILD_STATUS_STANDBY;
-+ CHILD_INFO_TABLE[i].sock_fd = -3; /* -1 and -2 are taken */
-+ CHILD_INFO_TABLE[i].id = i;
-+ }
-+
-+ if (!server_env_image)
-+ {
-+ _DBG("Initializing server_environments_table", 0);
-+ server_env_size = tmp_server_limit * sizeof(server_env_t) + sizeof(apr_size_t);
-+
-+ rv = apr_shm_create(&server_env_shm, server_env_size, NULL, global_pool);
-+
-+ if (rv != APR_SUCCESS) {
-+ _DBG("shared memory creation failed", 0);
-+
-+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,
-+ "Unable to create shared memory segment "
-+ "(anonymous shared memory failure)");
-+ }
-+ else if (rv == APR_ENOTIMPL) {
-+ _DBG("anonymous shared memory not available", 0);
-+ /* TODO: make up a filename and do name-based shmem */
-+ }
-+
-+ if (rv || !(shmem = apr_shm_baseaddr_get(server_env_shm))) {
-+ _DBG("apr_shm_baseaddr_get() failed", 0);
-+ return HTTP_INTERNAL_SERVER_ERROR;
-+ }
-+
-+ memset(shmem, 0, sizeof(server_env_size));
-+ server_env_image = (server_env*)calloc(1, sizeof(server_env_size));
-+ server_env_image->control = (server_env_control*)shmem;
-+ shmem += sizeof(server_env_control*);
-+ server_env_image->table = (server_env_t*)shmem;
-+
-+ server_env_image->control->num = 0;
-+
-+ for (i = 0; i < tmp_server_limit; i++)
-+ {
-+ SENV[i].processor_id = -1;
-+ SENV[i].uid = -1;
-+ SENV[i].gid = -1;
-+ SENV[i].chroot = NULL;
-+ SENV[i].input = -1;
-+ SENV[i].output = -1;
-+ }
-+ }
-+
-+ return OK;
-+}
-+
-+static int peruser_post_config(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *server_list)
-+{
-+ ap_child_table = (ap_ctable *)apr_pcalloc(p, server_limit * sizeof(ap_ctable));
-+
-+ return OK;
-+}
-+
-+static int peruser_post_read(request_rec *r)
-+{
-+ peruser_server_conf *sconf = PERUSER_SERVER_CONF(r->server->module_config);
-+ child_info_t *processor;
-+
-+ if(CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_MULTIPLEXER)
-+ processor = &CHILD_INFO_TABLE[sconf->senv->processor_id];
-+ else
-+ processor = &CHILD_INFO_TABLE[r->connection->id];
-+
-+
-+ if (!strlen(r->the_request))
-+ {
-+ _DBG("corrupt request. aborting",0);
-+ return DECLINED;
-+ }
-+
-+ if (processor->sock_fd != AP_PERUSER_THISCHILD)
-+ {
-+ apr_socket_t *sock = NULL;
-+
-+ apr_os_sock_put(&sock, &processor->sock_fd, r->connection->pool);
-+ ap_sock_disable_nagle(sock);
-+ ap_set_module_config(r->connection->conn_config, &core_module, sock);
-+ _DBG("not the right socket?", 0);
-+ return OK;
-+ }
-+
-+ switch (CHILD_INFO_TABLE[my_child_num].type)
-+ {
-+ case CHILD_TYPE_MULTIPLEXER:
-+ {
-+ _DBG("MULTIPLEXER => Determining if request should be passed. "
-+ "Child Num: %d, dest-child: %d, hostname from server: %s r->hostname=%s r->the_request=\"%s\"",
-+ my_child_num, processor->id, r->server->server_hostname, r->hostname, r->the_request);
-+
-+ if (processor->id != my_child_num)
-+ {
-+ if (processor->status == CHILD_STATUS_STANDBY)
-+ {
-+ _DBG("Activating child #%d", processor->id);
-+ processor->status = CHILD_STATUS_STARTING;
-+ }
-+
-+ _DBG("Passing request.",0);
-+ if (pass_request(r, processor) == -1)
-+ {
-+ ap_log_error(APLOG_MARK, APLOG_ERR, 0,
-+ ap_server_conf, "Could not pass request to proper " "child, request will not be honoured.");
-+ return DECLINED;
-+ }
-+ _DBG("doing longjmp",0);
-+ longjmp(CHILD_INFO_TABLE[my_child_num].jmpbuffer, 1);
-+ _DBG("request declined at our site",0);
-+ return DECLINED;
-+ _DBG("OUH! we should never reach this point",0);
-+ }
-+ _DBG("WTF: the server is assigned to the multiplexer! ... dropping request",0);
-+ return DECLINED;
-+ }
-+ case CHILD_TYPE_PROCESSOR:
-+ case CHILD_TYPE_WORKER:
-+ {
-+ if (sconf->senv != CHILD_INFO_TABLE[my_child_num].senv) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING,
-+ 0, ap_server_conf,
-+ "invalid virtualhost for this child! (%s)", r->hostname);
-+ ap_lingering_close(r->connection);
-+ return HTTP_REQUEST_TIME_OUT;
-+ }
-+
-+ _DBG("%s %d", child_type_string(CHILD_INFO_TABLE[my_child_num].type), my_child_num);
-+ _DBG("request for %s / (server %s) seems to be for us", r->hostname, r->server->server_hostname);
-+
-+ if (server_env_cleanup)
-+ {
-+ int i;
-+ int input = sconf->senv->input;
-+ int output = sconf->senv->output;
-+
-+ _DBG("performing handle cleanup");
-+ for (i = 0; i < NUM_SENV; i++)
-+ {
-+ if (SENV[i].input > 0 && SENV[i].input != input) {
-+ int retval = close(SENV[i].input);
-+ if (retval < 0) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf,
-+ "close(%d) failed", SENV[i].input);
-+ }
-+ }
-+ if (SENV[i].output > 0 && SENV[i].output != output) {
-+ int retval = close(SENV[i].output);
-+ if (retval < 0) {
-+ ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf,
-+ "close(%d) failed", SENV[i].output);
-+ }
-+ }
-+ }
-+ server_env_cleanup = 0;
-+ }
-+
-+ return OK;
-+ }
-+ default:
-+ {
-+ _DBG("unspecified child type %d in %d, dropping request",
-+ CHILD_INFO_TABLE[my_child_num].type, my_child_num);
-+ return DECLINED;
-+ }
-+ }
-+
-+ _DBG("THIS POINT SHOULD NOT BE REACHED!",0);
-+ return OK;
-+}
-+
-+static int peruser_status_hook(request_rec *r, int flags)
-+{
-+ int x;
-+ server_env_t *senv;
-+
-+ if (flags & AP_STATUS_SHORT)
-+ return OK;
-+
-+ ap_rputs("<hr>\n", r);
-+ ap_rputs("<h2>peruser status</h2>\n", r);
-+ ap_rputs("<table border=\"0\">\n", r);
-+ ap_rputs("<tr><td>ID</td><td>PID</td><td>STATUS</td><td>TYPE</td><td>UID</td>"
-+ "<td>GID</td><td>CHROOT</td><td>INPUT</td>"
-+ "<td>OUTPUT</td><td>SOCK_FD</td>"
-+ "<td>TOTAL PROCESSORS</td><td>MAX PROCESSORS</td>"
-+ "<td>IDLE PROCESSORS</td><td>MIN FREE PROCESSORS</td></tr>\n", r);
-+ for (x = 0; x < NUM_CHILDS; x++)
-+ {
-+ senv = CHILD_INFO_TABLE[x].senv;
-+ ap_rprintf(r, "<tr><td>%3d</td><td>%5d</td><td>%8s</td><td>%12s</td>"
-+ "<td>%4d</td><td>%4d</td><td>%25s</td><td>%5d</td>"
-+ "<td>%6d</td><td>%7d</td><td>%d</td><td>%d</td>"
-+ "<td>%d</td><td>%d</td></tr>\n",
-+ CHILD_INFO_TABLE[x].id,
-+ CHILD_INFO_TABLE[x].pid,
-+ child_status_string(CHILD_INFO_TABLE[x].status),
-+ child_type_string(CHILD_INFO_TABLE[x].type),
-+ senv == NULL ? -1 : senv->uid,
-+ senv == NULL ? -1 : senv->gid,
-+ senv == NULL ? NULL : senv->chroot,
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->input,
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->output,
-+ CHILD_INFO_TABLE[x].sock_fd,
-+ total_processors(x),
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->max_processors,
-+ idle_processors(x),
-+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->min_free_processors
-+ );
-+ }
-+ ap_rputs("</table>\n", r);
-+
-+ if (grace_children > 0) {
-+ ap_rputs("<h2>peruser graceful children status</h2>\n", r);
-+ ap_rprintf(r, "%d of total %d still living<br />\n", grace_children_alive, grace_children);
-+ ap_rputs("<table border=\"0\">\n", r);
-+ ap_rputs("<tr><td>ID</td><td>PID</td><td>STATUS</td><td>TYPE</td></tr>\n", r);
-+ for (x = 0; x < grace_children; x++) {
-+ ap_rprintf(r, "<tr><td>%3d</td><td>%5d</td><td>%8s</td><td>%12s</td></tr>\n",
-+ child_grace_info_table[x].id,
-+ child_grace_info_table[x].pid,
-+ child_status_string(child_grace_info_table[x].status),
-+ child_type_string(child_grace_info_table[x].type)
-+ );
-+ }
-+ ap_rputs("</table>\n", r);
-+ }
-+ return OK;
-+}
-+
-+static void peruser_hooks(apr_pool_t *p)
-+{
-+ /* The peruser open_logs phase must run before the core's, or stderr
-+ * will be redirected to a file, and the messages won't print to the
-+ * console.
-+ */
-+ static const char *const aszSucc[] = {"core.c", NULL};
-+
-+#ifdef AUX3
-+ (void) set42sig();
-+#endif
-+
-+ ap_hook_open_logs(peruser_open_logs, NULL, aszSucc, APR_HOOK_MIDDLE);
-+ ap_hook_pre_config(peruser_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
-+ ap_hook_post_config(peruser_post_config, NULL, NULL, APR_HOOK_MIDDLE);
-+
-+ /* Both of these must be run absolutely first. If this request isn't for
-+ * this server then we need to forward it to the proper child. No sense
-+ * tying up this server running more post_read request hooks if it is
-+ * just going to be forwarded along. The process_connection hook allows
-+ * peruser to receive the passed request correctly, by automatically
-+ * filling in the core_input_filter's ctx pointer.
-+ */
-+ ap_hook_post_read_request(peruser_post_read, NULL, NULL,
-+ APR_HOOK_REALLY_FIRST);
-+ ap_hook_process_connection(peruser_process_connection, NULL, NULL,
-+ APR_HOOK_REALLY_FIRST);
-+
-+ APR_OPTIONAL_HOOK(ap, status_hook, peruser_status_hook, NULL, NULL, APR_HOOK_MIDDLE);
-+}
-+
-+/* we define an Processor w/ specific uid/gid */
-+static const char *cf_Processor(cmd_parms *cmd, void *dummy,
-+ const char *user_name, const char *group_name, const char *chroot)
-+{
-+ uid_t uid = ap_uname2id(user_name);
-+ gid_t gid = ap_gname2id(group_name);
-+
-+ _DBG("user=%s:%d group=%s:%d chroot=%s",
-+ user_name, uid, group_name, gid, chroot);
-+
-+ return child_add(CHILD_TYPE_PROCESSOR, CHILD_STATUS_STANDBY,
-+ cmd->pool, uid, gid, chroot);
-+}
-+
-+/* we define an Multiplexer child w/ specific uid/gid */
-+static const char *cf_Multiplexer(cmd_parms *cmd, void *dummy,
-+ const char *user_name, const char *group_name, const char *chroot)
-+{
-+ uid_t uid = ap_uname2id(user_name);
-+ gid_t gid = ap_gname2id(group_name);
-+
-+ _DBG("user=%s:%d group=%s:%d chroot=%s [multiplexer id %d]",
-+ user_name, uid, group_name, gid, chroot, NUM_CHILDS);
-+
-+ return child_add(CHILD_TYPE_MULTIPLEXER, CHILD_STATUS_STARTING,
-+ cmd->pool, uid, gid, chroot);
-+}
-+
-+static const char* cf_ServerEnvironment(cmd_parms *cmd, void *dummy,
-+ const char *user_name, const char *group_name, const char *chroot)
-+{
-+ int uid = ap_uname2id(user_name);
-+ int gid = ap_gname2id(group_name);
-+ peruser_server_conf *sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
-+
-+ _DBG("function entered", 0);
-+
-+ if (chroot && !ap_is_directory(cmd->pool, chroot))
-+ return apr_psprintf(cmd->pool, "Error: chroot directory [%s] does not exist", chroot);
-+
-+ sconf->senv = senv_add(uid, gid, chroot);
-+
-+ _DBG("user=%s:%d group=%s:%d chroot=%s numchilds=%d",
-+ user_name, uid, group_name, gid, chroot, NUM_CHILDS);
-+
-+ return NULL;
-+}
-+
-+static const char *set_min_free_servers(cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ ap_min_free_processors = atoi(arg);
-+ if (ap_min_free_processors <= 0) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: detected MinSpareServers set to non-positive.");
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "Resetting to 1 to avoid almost certain Apache failure.");
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "Please read the documentation.");
-+ ap_min_free_processors = 1;
-+ }
-+
-+ return NULL;
-+}
-+
-+static const char *set_max_clients (cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ ap_daemons_limit = atoi(arg);
-+ if (ap_daemons_limit > server_limit) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: MaxClients of %d exceeds ServerLimit value "
-+ "of %d servers,", ap_daemons_limit, server_limit);
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ " lowering MaxClients to %d. To increase, please "
-+ "see the ServerLimit", server_limit);
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ " directive.");
-+ ap_daemons_limit = server_limit;
-+ }
-+ else if (ap_daemons_limit < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: Require MaxClients > 0, setting to 1");
-+ ap_daemons_limit = 1;
-+ }
-+ return NULL;
-+}
-+
-+static const char *set_min_processors (cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ peruser_server_conf *sconf;
-+ int min_procs;
-+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
-+
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ min_procs = atoi(arg);
-+
-+ if (min_procs < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: Require MaxProcessors > 0, setting to 1");
-+ min_procs = 1;
-+ }
-+
-+ if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
-+ sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
-+ sconf->senv->min_processors = min_procs;
-+ }
-+ else {
-+ ap_min_processors = min_procs;
-+ }
-+
-+ return NULL;
-+}
-+
-+static const char *set_min_free_processors (cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ peruser_server_conf *sconf;
-+ int min_free_procs;
-+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
-+
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ min_free_procs = atoi(arg);
-+
-+ if (min_free_procs < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: Require MinSpareProcessors > 0, setting to 1");
-+ min_free_procs = 1;
-+ }
-+
-+ if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
-+ sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
-+ sconf->senv->min_free_processors = min_free_procs;
-+ }
-+ else {
-+ ap_min_free_processors = min_free_procs;
-+ }
-+
-+ return NULL;
-+}
-+
-+static const char *set_max_processors (cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ peruser_server_conf *sconf;
-+ int max_procs;
-+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
-+
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ max_procs = atoi(arg);
-+
-+ if (max_procs < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: Require MaxProcessors > 0, setting to 1");
-+ max_procs = 1;
-+ }
-+
-+ if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
-+ sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
-+ sconf->senv->max_processors = max_procs;
-+ }
-+ else {
-+ ap_max_processors = max_procs;
-+ }
-+
-+ return NULL;
-+}
-+
-+static const char *set_server_limit (cmd_parms *cmd, void *dummy, const char *arg)
-+{
-+ int tmp_server_limit;
-+
-+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ tmp_server_limit = atoi(arg);
-+ /* you cannot change ServerLimit across a restart; ignore
-+ * any such attempts
-+ */
-+ if (first_server_limit &&
-+ tmp_server_limit != server_limit) {
-+ /* how do we log a message? the error log is a bit bucket at this
-+ * point; we'll just have to set a flag so that ap_mpm_run()
-+ * logs a warning later
-+ */
-+ changed_limit_at_restart = 1;
-+ return NULL;
-+ }
-+ server_limit = tmp_server_limit;
-+
-+ if (server_limit > MAX_SERVER_LIMIT) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: ServerLimit of %d exceeds compile time limit "
-+ "of %d servers,", server_limit, MAX_SERVER_LIMIT);
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ " lowering ServerLimit to %d.", MAX_SERVER_LIMIT);
-+ server_limit = MAX_SERVER_LIMIT;
-+ }
-+ else if (server_limit < 1) {
-+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
-+ "WARNING: Require ServerLimit > 0, setting to 1");
-+ server_limit = 1;
-+ }
-+ return NULL;
-+}
-+
-+static const char *set_expire_timeout (cmd_parms *cmd, void *dummy, const char *arg) {
-+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ expire_timeout = atoi(arg);
-+
-+ return NULL;
-+}
-+
-+static const char *set_idle_timeout (cmd_parms *cmd, void *dummy, const char *arg) {
-+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-+ if (err != NULL) {
-+ return err;
-+ }
-+
-+ idle_timeout = atoi(arg);
-+
-+ return NULL;
-+}
-+
-+static const command_rec peruser_cmds[] = {
-+UNIX_DAEMON_COMMANDS,
-+LISTEN_COMMANDS,
-+AP_INIT_TAKE1("MinSpareProcessors", set_min_free_processors, NULL, RSRC_CONF,
-+ "Minimum number of idle children, to handle request spikes"),
-+AP_INIT_TAKE1("MinSpareServers", set_min_free_servers, NULL, RSRC_CONF,
-+ "Minimum number of idle children, to handle request spikes"),
-+AP_INIT_TAKE1("MaxClients", set_max_clients, NULL, RSRC_CONF,
-+ "Maximum number of children alive at the same time"),
-+AP_INIT_TAKE1("MinProcessors", set_min_processors, NULL, RSRC_CONF,
-+ "Minimum number of processors per vhost"),
-+AP_INIT_TAKE1("MaxProcessors", set_max_processors, NULL, RSRC_CONF,
-+ "Maximum number of processors per vhost"),
-+AP_INIT_TAKE1("ServerLimit", set_server_limit, NULL, RSRC_CONF,
-+ "Maximum value of MaxClients for this run of Apache"),
-+AP_INIT_TAKE1("ExpireTimeout", set_expire_timeout, NULL, RSRC_CONF,
-+ "Maximum idle time before a child is killed, 0 to disable"),
-+AP_INIT_TAKE1("IdleTimeout", set_idle_timeout, NULL, RSRC_CONF,
-+ "Maximum time before a child is killed after being idle, 0 to disable"),
-+AP_INIT_TAKE23("Multiplexer", cf_Multiplexer, NULL, RSRC_CONF,
-+ "Specify an Multiplexer Child configuration."),
-+AP_INIT_TAKE23("Processor", cf_Processor, NULL, RSRC_CONF,
-+ "Specify a User and Group for a specific child process."),
-+AP_INIT_TAKE23("ServerEnvironment", cf_ServerEnvironment, NULL, RSRC_CONF,
-+ "Specify the server environment for this virtual host."),
-+{ NULL }
-+};
-+
-+module AP_MODULE_DECLARE_DATA mpm_peruser_module = {
-+ MPM20_MODULE_STUFF,
-+ ap_mpm_rewrite_args, /* hook to run before apache parses args */
-+ NULL, /* create per-directory config structure */
-+ NULL, /* merge per-directory config structures */
-+ peruser_create_config, /* create per-server config structure */
-+ NULL, /* merge per-server config structures */
-+ peruser_cmds, /* command apr_table_t */
-+ peruser_hooks, /* register hooks */
-+};
projects / packages / apache.git / commitdiff