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