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Edit File : unixd.h \| Size : 4.14 KB
/* 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 /* @} */ Back

Edit File : unixd.h | Size : 4.14 KB

/* 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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