unixd.h revision 26a4456dd6f1a5d7d7fff766551461a578687c4a
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2004 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* the documentation and/or other materials provided with the
* distribution.
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* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
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* 5. Products derived from this software may not be called "Apache",
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#ifndef UNIXD_H
#define UNIXD_H
#include "httpd.h"
#include "http_config.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>
#ifdef APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
#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))
/* common stuff that unix MPMs will want */
/* 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;
uid_t user_id;
gid_t group_id;
int suexec_enabled;
} unixd_config_rec;
AP_DECLARE_DATA extern unixd_config_rec unixd_config;
AP_DECLARE(int) unixd_setup_child(void);
AP_DECLARE(void) unixd_pre_config(apr_pool_t *ptemp);
AP_DECLARE(const char *) unixd_set_user(cmd_parms *cmd, void *dummy,
const char *arg);
AP_DECLARE(const char *) unixd_set_group(cmd_parms *cmd, void *dummy,
const char *arg);
#if defined(RLIMIT_CPU) || defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_NPROC) || defined(RLIMIT_AS)
AP_DECLARE(void) 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) unixd_set_proc_mutex_perms(apr_proc_mutex_t *pmutex);
AP_DECLARE(apr_status_t) unixd_set_global_mutex_perms(apr_global_mutex_t *gmutex);
AP_DECLARE(apr_status_t) unixd_accept(void **accepted, ap_listen_rec *lr, apr_pool_t *ptrans);
#ifdef HAVE_KILLPG
#define unixd_killpg(x, y) (killpg ((x), (y)))
#define ap_os_killpg(x, y) (killpg ((x), (y)))
#else /* HAVE_KILLPG */
#define unixd_killpg(x, y) (kill (-(x), (y)))
#define ap_os_killpg(x, y) (kill (-(x), (y)))
#endif /* HAVE_KILLPG */
#define UNIX_DAEMON_COMMANDS \
AP_INIT_TAKE1("User", unixd_set_user, NULL, RSRC_CONF, \
"Effective user id for this server"), \
AP_INIT_TAKE1("Group", unixd_set_group, NULL, RSRC_CONF, \
"Effective group id for this server")
#endif