1 /* Copyright 1999-2006 The Apache Software Foundation or its licensors, as
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 * @brief common stuff that unix MPMs will want
21 * @addtogroup APACHE_OS_UNIX
29 #include "http_config.h"
30 #include "ap_listen.h"
31 #ifdef HAVE_SYS_TIME_H
34 #ifdef HAVE_SYS_RESOURCE_H
35 #include <sys/resource.h>
37 #include "apr_hooks.h"
38 #include "apr_thread_proc.h"
39 #include "apr_proc_mutex.h"
40 #include "apr_global_mutex.h"
44 #ifdef APR_HAVE_SYS_TYPES_H
45 #include <sys/types.h>
61 AP_DECLARE_HOOK(ap_unix_identity_t *, get_suexec_identity,(const request_rec *r))
64 /* Default user name and group name. These may be specified as numbers by
65 * placing a # before a number */
68 #define DEFAULT_USER "#-1"
71 #define DEFAULT_GROUP "#-1"
75 const char *user_name;
80 AP_DECLARE_DATA extern unixd_config_rec unixd_config;
82 AP_DECLARE(int) unixd_setup_child(void);
83 AP_DECLARE(void) unixd_pre_config(apr_pool_t *ptemp);
84 AP_DECLARE(const char *) unixd_set_user(cmd_parms *cmd, void *dummy,
86 AP_DECLARE(const char *) unixd_set_group(cmd_parms *cmd, void *dummy,
88 #if defined(RLIMIT_CPU) || defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_NPROC) || defined(RLIMIT_AS)
89 AP_DECLARE(void) unixd_set_rlimit(cmd_parms *cmd, struct rlimit **plimit,
90 const char *arg, const char * arg2, int type);
94 * One of the functions to set mutex permissions should be called in
95 * the parent process on platforms that switch identity when the
96 * server is started as root.
97 * If the child init logic is performed before switching identity
98 * (e.g., MPM setup for an accept mutex), it should only be called
99 * for SysV semaphores. Otherwise, it is safe to call it for all
102 AP_DECLARE(apr_status_t) unixd_set_proc_mutex_perms(apr_proc_mutex_t *pmutex);
103 AP_DECLARE(apr_status_t) unixd_set_global_mutex_perms(apr_global_mutex_t *gmutex);
104 AP_DECLARE(apr_status_t) unixd_accept(void **accepted, ap_listen_rec *lr, apr_pool_t *ptrans);
107 #define unixd_killpg(x, y) (killpg ((x), (y)))
108 #define ap_os_killpg(x, y) (killpg ((x), (y)))
109 #else /* HAVE_KILLPG */
110 #define unixd_killpg(x, y) (kill (-(x), (y)))
111 #define ap_os_killpg(x, y) (kill (-(x), (y)))
112 #endif /* HAVE_KILLPG */
114 #define UNIX_DAEMON_COMMANDS \
115 AP_INIT_TAKE1("User", unixd_set_user, NULL, RSRC_CONF, \
116 "Effective user id for this server"), \
117 AP_INIT_TAKE1("Group", unixd_set_group, NULL, RSRC_CONF, \
118 "Effective group id for this server")