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Diffstat (limited to '')
| -rw-r--r-- | os/unix/unixd.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/os/unix/unixd.h b/os/unix/unixd.h new file mode 100644 index 0000000..ed977c6 --- /dev/null +++ b/os/unix/unixd.h @@ -0,0 +1,142 @@ +/* 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 +/** @} */ |