/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
/**
* @ file unixd . h
* @ brief common stuff that unix MPMs will want
*
* @ addtogroup APACHE_OS_UNIX
* @ {
*/
#ifndef UNIXD_H
#define UNIXD_H
#include "httpd.h"
#include "http_config.h"
#include "scoreboard.h"
#include "ap_listen.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#include "apr_hooks.h"
#include "apr_thread_proc.h"
#include "apr_proc_mutex.h"
#include "apr_global_mutex.h"
#include <pwd.h>
#include <grp.h>
#if APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uid_t uid;
gid_t gid;
int userdir;
} ap_unix_identity_t;
AP_DECLARE_HOOK(ap_unix_identity_t *, get_suexec_identity,(const request_rec *r))
/* Default user name and group name. These may be specified as numbers by
* placing a # before a number */
#ifndef DEFAULT_USER
#define DEFAULT_USER "#-1"
#endif
#ifndef DEFAULT_GROUP
#define DEFAULT_GROUP "#-1"
#endif
typedef struct {
const char *user_name;
const char *group_name;
uid_t user_id;
gid_t group_id;
int suexec_enabled;
const char *chroot_dir;
const char *suexec_disabled_reason; /* suitable msg if !suexec_enabled */
} unixd_config_rec;
AP_DECLARE_DATA extern unixd_config_rec ap_unixd_config;
#if defined (RLIMIT_CPU) || defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined (RLIMIT_NPROC) || defined (RLIMIT_AS)
AP_DECLARE(void ) ap_unixd_set_rlimit(cmd_parms *cmd, struct rlimit **plimit,
const char *arg,
const char * arg2, int type);
#endif
/**
* One of the functions to set mutex permissions should be called in
* the parent process on platforms that switch identity when the
* server is started as root .
* If the child init logic is performed before switching identity
* ( e . g . , MPM setup for an accept mutex ) , it should only be called
* for SysV semaphores . Otherwise , it is safe to call it for all
* mutex types .
*/
AP_DECLARE(apr_status_t) ap_unixd_set_proc_mutex_perms(apr_proc_mutex_t *pmutex);
AP_DECLARE(apr_status_t) ap_unixd_set_global_mutex_perms(apr_global_mutex_t *gmutex);
AP_DECLARE(apr_status_t) ap_unixd_accept(void **accepted, ap_listen_rec *lr, apr_pool_t *ptrans);
#ifdef HAVE_KILLPG
#define ap_unixd_killpg(x, y) (killpg ((x), (y)))
#define ap_os_killpg(x, y) (killpg ((x), (y)))
#else /* HAVE_KILLPG */
#define ap_unixd_killpg(x, y) (kill (-(x), (y)))
#define ap_os_killpg(x, y) (kill (-(x), (y)))
#endif /* HAVE_KILLPG */
typedef struct {
void *baton; /* MPM's */
/* volatile because they're updated from signals' handlers */
int volatile mpm_state;
int volatile shutdown_pending;
int volatile restart_pending;
int volatile is_ungraceful;
ap_generation_t my_generation;
int module_loads;
int was_graceful;
/*
* Current number of listeners buckets and maximum reached across
* restarts ( to size retained data according to dynamic num_buckets ,
* eg . idle_spawn_rate ) .
*/
int num_buckets, max_buckets;
} ap_unixd_mpm_retained_data;
AP_DECLARE(ap_unixd_mpm_retained_data *) ap_unixd_mpm_get_retained_data(void );
AP_DECLARE(void ) ap_unixd_mpm_set_signals(apr_pool_t *pconf, int once_process);
#ifdef __cplusplus
}
#endif
#endif
/** @} */
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