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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* @brief common stuff that unix MPMs will want
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* @addtogroup APACHE_OS_UNIX
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#include "http_config.h"
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#include "ap_listen.h"
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#ifdef HAVE_SYS_TIME_H
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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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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#ifdef APR_HAVE_SYS_TYPES_H
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#include <sys/types.h>
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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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#define DEFAULT_USER "#-1"
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#define DEFAULT_GROUP "#-1"
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const char *user_name;
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const char *chroot_dir;
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AP_DECLARE_DATA extern unixd_config_rec unixd_config;
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AP_DECLARE(int) unixd_setup_child(void);
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AP_DECLARE(void) unixd_pre_config(apr_pool_t *ptemp);
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AP_DECLARE(const char *) unixd_set_user(cmd_parms *cmd, void *dummy,
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AP_DECLARE(const char *) unixd_set_group(cmd_parms *cmd, void *dummy,
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AP_DECLARE(const char *) unixd_set_chroot_dir(cmd_parms *cmd, void *dummy,
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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) unixd_set_rlimit(cmd_parms *cmd, struct rlimit **plimit,
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const char *arg, const char * arg2, int type);
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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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AP_DECLARE(apr_status_t) unixd_set_proc_mutex_perms(apr_proc_mutex_t *pmutex);
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AP_DECLARE(apr_status_t) unixd_set_global_mutex_perms(apr_global_mutex_t *gmutex);
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AP_DECLARE(apr_status_t) unixd_accept(void **accepted, ap_listen_rec *lr, apr_pool_t *ptrans);
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#define 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 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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#define UNIX_DAEMON_COMMANDS \
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AP_INIT_TAKE1("User", unixd_set_user, NULL, RSRC_CONF, \
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"Effective user id for this server"), \
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AP_INIT_TAKE1("Group", unixd_set_group, NULL, RSRC_CONF, \
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"Effective group id for this server"), \
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AP_INIT_TAKE1("ChrootDir", unixd_set_chroot_dir, NULL, RSRC_CONF, \
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"The directory to chroot(2) into")