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/* 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.
*/
#include <unistd.h>
#include "httpd.h"
#include "http_config.h"
#include "http_main.h"
#include "http_log.h"
#include "beosd.h"
#include "mpm_common.h"
beosd_config_rec beosd_config;
/* Set group privileges.
*
* Note that until we get the multi-user situation sorted on beos,
* this is just a no-op to allow common configuration files!
*/
#if B_BEOS_VERSION < 0x0460
static int set_group_privs(void)
{
/* no-op */
return 0;
}
#endif
int beosd_setup_child(void)
{
/* TODO: revisit the whole issue of users/groups for BeOS as
* R5 and below doesn't really have much concept of them.
*/
return 0;
}
AP_DECLARE(const char *) beosd_set_user(cmd_parms *cmd,
void *dummy, const char *arg)
{
/* no-op */
return NULL;
}
AP_DECLARE(const char *) beosd_set_group(cmd_parms *cmd,
void *dummy, const char *arg)
{
/* no-op */
return NULL;
}
void beosd_pre_config(void)
{
/* Until the multi-user situation on BeOS is fixed,
simply have a no-op here to allow for common conf files
*/
}
AP_DECLARE(apr_status_t) beosd_accept(void **accepted, ap_listen_rec *lr,
apr_pool_t *ptrans)
{
apr_socket_t *csd;
apr_status_t status;
int sockdes;
status = apr_accept(&csd, lr->sd, ptrans);
if (status == APR_SUCCESS) {
*accepted = csd;
apr_os_sock_get(&sockdes, csd);
if (sockdes >= FD_SETSIZE) {
ap_log_error(APLOG_MARK, APLOG_WARNING, 0, NULL,
"new file descriptor %d is too large; you probably need "
"to rebuild Apache with a larger FD_SETSIZE "
"(currently %d)",
sockdes, FD_SETSIZE);
apr_socket_close(csd);
return APR_EINTR;
}
return status;
}
if (APR_STATUS_IS_EINTR(status)) {
return status;
}
/* Our old behaviour here was to continue after accept()
* errors. But this leads us into lots of troubles
* because most of the errors are quite fatal. For
* example, EMFILE can be caused by slow descriptor
* leaks (say in a 3rd party module, or libc). It's
* foolish for us to continue after an EMFILE. We also
* seem to tickle kernel bugs on some platforms which
* lead to never-ending loops here. So it seems best
* to just exit in most cases.
*/
switch (status) {
#ifdef EPROTO
/* EPROTO on certain older kernels really means
* ECONNABORTED, so we need to ignore it for them.
* See discussion in new-httpd archives nh.9701
* search for EPROTO.
*
* Also see nh.9603, search for EPROTO:
* There is potentially a bug in Solaris 2.x x<6,
* and other boxes that implement tcp sockets in
* userland (i.e. on top of STREAMS). On these
* systems, EPROTO can actually result in a fatal
* loop. See PR#981 for example. It's hard to
* handle both uses of EPROTO.
*/
case EPROTO:
#endif
#ifdef ECONNABORTED
case ECONNABORTED:
#endif
#ifdef ETIMEDOUT
case ETIMEDOUT:
#endif
#ifdef EHOSTUNREACH
case EHOSTUNREACH:
#endif
#ifdef ENETUNREACH
case ENETUNREACH:
#endif
break;
#ifdef ENETDOWN
case ENETDOWN:
/*
* When the network layer has been shut down, there
* is not much use in simply exiting: the parent
* would simply re-create us (and we'd fail again).
* Use the CHILDFATAL code to tear the server down.
* @@@ Martin's idea for possible improvement:
* A different approach would be to define
* a new APEXIT_NETDOWN exit code, the reception
* of which would make the parent shutdown all
* children, then idle-loop until it detected that
* the network is up again, and restart the children.
* Ben Hyde noted that temporary ENETDOWN situations
* occur in mobile IP.
*/
ap_log_error(APLOG_MARK, APLOG_EMERG, status, ap_server_conf,
"apr_accept: giving up.");
return APR_EGENERAL;
#endif /*ENETDOWN*/
default:
ap_log_error(APLOG_MARK, APLOG_ERR, status, ap_server_conf,
"apr_accept: (client socket)");
return APR_EGENERAL;
}
return status;
}
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