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server.c
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server.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2006 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "common-internal.h"
#include "server-protected.h"
#include "server.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#ifdef HAVE_NETINET_TCP_H
# include <netinet/tcp.h>
#endif
#include <errno.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#ifdef HAVE_GNUTLS
# include <gnutls/gnutls.h>
# include <gcrypt.h>
#endif
#include <signal.h>
#include <dirent.h>
#include <unistd.h>
#include "thread.h"
#include "socket.h"
#include "connection.h"
#include "ncpus.h"
#include "mime.h"
#include "util.h"
#include "fdpoll.h"
#include "fdpoll-protected.h"
#include "regex.h"
#include "fcgi_manager.h"
#include "connection-protected.h"
#include "nonce.h"
#define ENTRIES "core,server"
ret_t
cherokee_server_new (cherokee_server_t **srv)
{
ret_t ret;
/* Get memory
*/
CHEROKEE_NEW_STRUCT(n, server);
/* Thread list
*/
INIT_LIST_HEAD(&(n->thread_list));
/* Sockets
*/
n->socket = -1;
n->socket_tls = -1;
n->ipv6 = true;
n->fdpoll_method = cherokee_poll_UNSET;
/* Config files
*/
n->config_file = NULL;
n->icons_file = NULL;
/* Mime types
*/
n->mime = NULL;
/* Exit related
*/
n->wanna_exit = false;
n->reinit_callback = NULL;
/* Server config
*/
n->port = 80;
n->port_tls = 443;
n->tls_enabled = false;
n->fdwatch_msecs = 999;
n->start_time = time(NULL);
n->keepalive = true;
n->keepalive_max = MAX_KEEPALIVE;
n->ncpus = -1;
n->thread_num = -1;
n->thread_policy = -1;
n->chrooted = false;
n->user_orig = getuid();
n->user = n->user_orig;
n->group_orig = getgid();
n->group = n->group_orig;
n->timeout = 15;
n->max_fds = -1;
n->system_fd_limit = -1;
n->max_conn_reuse = -1;
n->listen_queue = 1024;
n->sendfile.min = 32768;
n->sendfile.max = 2147483647;
n->regexs = NULL;
n->icons = NULL;
n->iocache = NULL;
cherokee_buffer_init (&n->listen_to);
cherokee_buffer_init (&n->chroot);
cherokee_buffer_init (&n->panic_action);
/* Bogo now
*/
n->bogo_now = 0;
CHEROKEE_RWLOCK_INIT (&n->bogo_now_mutex, NULL);
CHEROKEE_RWLOCK_WRITER (&n->bogo_now_mutex);
cherokee_buffer_init (&n->bogo_now_string);
cherokee_buffer_ensure_size (&n->bogo_now_string, 100);
CHEROKEE_RWLOCK_UNLOCK (&n->bogo_now_mutex);
/* Time managing hack
*/
cherokee_buffer_init (&n->timeout_header);
cherokee_buffer_add_str (&n->timeout_header, "Keep-Alive: timeout=15"CRLF);
/* Accepting mutexes
*/
#ifdef HAVE_TLS
CHEROKEE_MUTEX_INIT (&n->accept_tls_mutex, NULL);
#endif
CHEROKEE_MUTEX_INIT (&n->accept_mutex, NULL);
#ifndef CHEROKEE_EMBEDDED
/* Icons
*/
cherokee_icons_new (&n->icons);
return_if_fail (n->icons != NULL, ret_nomem);
/* IO Cache cache
*/
cherokee_iocache_new_default (&n->iocache, n);
return_if_fail (n->iocache != NULL, ret_nomem);
n->iocache_clean_next = 0;
/* Regexs
*/
cherokee_regex_table_new (&n->regexs);
return_if_fail (n->regexs != NULL, ret_nomem);
/* Active nonces
*/
ret = cherokee_nonce_table_new (&n->nonces);
if (unlikely(ret < ret_ok)) return ret;
#endif
/* Module loader
*/
cherokee_module_loader_init (&n->loader);
/* Virtual servers table
*/
INIT_LIST_HEAD (&n->vservers);
cherokee_table_init (&n->vservers_ref);
cherokee_virtual_server_new (&n->vserver_default, n);
return_if_fail (n->vserver_default!=NULL, ret_nomem);
/* Encoders
*/
cherokee_encoder_table_init (&n->encoders);
/* Server string
*/
n->server_token = cherokee_version_full;
cherokee_buffer_init (&n->server_string);
/* Loggers
*/
n->log_flush_next = 0;
n->log_flush_elapse = 10;
cherokee_logger_table_new (&n->loggers);
return_if_fail (n->loggers != NULL, ret_nomem);
/* TLS
*/
ret = cherokee_tls_init();
if (ret < ret_ok) {
return ret;
}
/* PID
*/
cherokee_buffer_init (&n->pidfile);
/* Config
*/
cherokee_config_node_init (&n->config);
/* Return the object
*/
*srv = n;
return ret_ok;
}
static void
close_all_connections (cherokee_server_t *srv)
{
cherokee_list_t *i;
cherokee_thread_close_all_connections (srv->main_thread);
list_for_each (i, &srv->thread_list) {
cherokee_thread_close_all_connections (THREAD(i));
}
}
static void
free_virtual_servers (cherokee_server_t *srv)
{
cherokee_list_t *i, *j;
list_for_each_safe (i, j, &srv->vservers) {
cherokee_virtual_server_free (VSERVER(i));
}
cherokee_table_mrproper (&srv->vservers_ref);
}
static ret_t
destroy_thread (cherokee_thread_t *thread)
{
cherokee_thread_wait_end (thread);
cherokee_thread_free (thread);
return ret_ok;
}
static ret_t
destroy_all_threads (cherokee_server_t *srv)
{
cherokee_list_t *i, *tmp;
/* Set the exit flag, and try to ensure the threads are not
* locked on a semaphore
*/
list_for_each_safe (i, tmp, &srv->thread_list) {
THREAD(i)->exit = true;
CHEROKEE_MUTEX_UNLOCK (&srv->accept_mutex);
#ifdef HAVE_TLS
CHEROKEE_MUTEX_UNLOCK (&srv->accept_tls_mutex);
#endif
}
/* Destroy the thread object
*/
list_for_each_safe (i, tmp, &srv->thread_list) {
destroy_thread (THREAD(i));
}
/* Main thread
*/
return cherokee_thread_free (srv->main_thread);
}
ret_t
cherokee_server_free (cherokee_server_t *srv)
{
/* Threads
*/
destroy_all_threads (srv);
close (srv->socket);
if (srv->socket_tls != -1) {
close (srv->socket_tls);
}
cherokee_encoder_table_mrproper (&srv->encoders);
cherokee_logger_table_free (srv->loggers);
#ifdef HAVE_TLS
CHEROKEE_MUTEX_DESTROY (&srv->accept_tls_mutex);
#endif
CHEROKEE_MUTEX_DESTROY (&srv->accept_mutex);
#ifndef CHEROKEE_EMBEDDED
/* Nonces
*/
cherokee_nonce_table_free (srv->nonces);
srv->nonces = NULL;
/* Icons
*/
cherokee_icons_free (srv->icons);
if (srv->icons_file != NULL) {
free (srv->icons_file);
srv->icons_file = NULL;
}
/* Mime
*/
if (srv->mime != NULL) {
cherokee_mime_free (srv->mime);
srv->mime = NULL;
}
cherokee_iocache_free_default (srv->iocache);
cherokee_regex_table_free (srv->regexs);
#endif
/* Virtual servers
*/
free_virtual_servers (srv);
cherokee_virtual_server_free (srv->vserver_default);
srv->vserver_default = NULL;
cherokee_buffer_mrproper (&srv->bogo_now_string);
cherokee_buffer_mrproper (&srv->timeout_header);
cherokee_buffer_mrproper (&srv->server_string);
cherokee_buffer_mrproper (&srv->listen_to);
cherokee_buffer_mrproper (&srv->chroot);
/* Clean config files entries
*/
if (srv->config_file != NULL) {
free (srv->config_file);
srv->config_file = NULL;
}
cherokee_buffer_mrproper (&srv->pidfile);
cherokee_buffer_mrproper (&srv->panic_action);
/* Module loader:
* It must be the last action to perform because
* it will close all the opened modules
*/
cherokee_module_loader_mrproper (&srv->loader);
free (srv);
return ret_ok;
}
static ret_t
change_execution_user (cherokee_server_t *srv, struct passwd *ent)
{
int error;
/* /\* Get user information */
/* *\/ */
/* ent = getpwuid (srv->user); */
/* if (ent == NULL) { */
/* PRINT_ERROR ("Can't get username for UID %d\n", srv->user); */
/* return ret_error; */
/* } */
/* Reset `groups' attributes.
*/
if (srv->user_orig == 0) {
error = initgroups (ent->pw_name, srv->group);
if (error == -1) {
PRINT_ERROR ("initgroups: Unable to set groups for user `%s' and GID %d\n",
ent->pw_name, srv->group);
}
}
/* Change of group requested
*/
if (srv->group != srv->group_orig) {
error = setgid (srv->group);
if (error != 0) {
PRINT_ERROR ("Can't change group to GID %d, running with GID=%d\n",
srv->group, srv->group_orig);
}
}
/* Change of user requested
*/
if (srv->user != srv->user_orig) {
error = setuid (srv->user);
if (error != 0) {
PRINT_ERROR ("Can't change user to UID %d, running with UID=%d\n",
srv->user, srv->user_orig);
}
}
return ret_ok;
}
void
cherokee_server_set_min_latency (cherokee_server_t *srv, int msecs)
{
srv->fdwatch_msecs = msecs;
}
static ret_t
set_server_socket_opts (int socket)
{
int re;
int on;
struct linger ling = {0, 0};
/* Set 'close-on-exec'
*/
CLOSE_ON_EXEC(socket);
/* To re-bind without wait to TIME_WAIT
*/
on = 1;
re = setsockopt (socket, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
if (re != 0) return ret_error;
/* TCP_MAXSEG:
* The maximum size of a TCP segment is based on the network MTU for des-
* tinations on local networks or on a default MTU of 576 bytes for desti-
* nations on nonlocal networks. The default behavior can be altered by
* setting the TCP_MAXSEG option to an integer value from 1 to 65,535.
* However, TCP will not use a maximum segment size smaller than 32 or
* larger than the local network MTU. Setting the TCP_MAXSEG option to a
* value of zero results in default behavior. The TCP_MAXSEG option can
* only be set prior to calling listen or connect on the socket. For pas-
* sive connections, the TCP_MAXSEG option value is inherited from the
* listening socket. This option takes an int value, with a range of 0 to
* 65535.
*/
#ifdef TCP_MAXSEG
on = 64000;
re = setsockopt (socket, SOL_SOCKET, TCP_MAXSEG, &on, sizeof(on));
if (re != 0) return ret_error;
#endif
/* SO_LINGER
* kernels that map pages for IO end up failing if the pipe is full
* at exit and we take away the final buffer. this is really a kernel
* bug but it's harmless on systems that are not broken, so...
*
* http://www.apache.org/docs/misc/fin_wait_2.html
*/
setsockopt (socket, SOL_SOCKET, SO_LINGER, &ling, sizeof(ling));
/* TCP_DEFER_ACCEPT:
* Allows a listener to be awakened only when data arrives on the socket.
* Takes an integer value (seconds), this can bound the maximum number of
* attempts TCP will make to complete the connection. This option should
* not be used in code intended to be portable.
*
* Give clients 20s to send first data packet
*/
#if defined (TCP_DEFER_ACCEPT) && defined(SOL_TCP)
on = 20;
re = setsockopt (socket, SOL_TCP, TCP_DEFER_ACCEPT, &on, sizeof(on));
if (re != 0) return ret_error;
#endif
/* TODO:
* Maybe add support for the FreeBSD accept filters:
* http://www.freebsd.org/cgi/man.cgi?query=accf_http
*/
return ret_ok;
}
static ret_t
initialize_server_socket4 (cherokee_server_t *srv, unsigned short port, int *srv_socket_ret)
{
int re;
int srv_socket;
struct sockaddr_in sockaddr;
srv_socket = socket (AF_INET, SOCK_STREAM, 0);
if (srv_socket < 0) {
PRINT_ERROR_S ("Error creating IPv4 server socket\n");
exit(EXIT_CANT_CREATE_SERVER_SOCKET4);
}
*srv_socket_ret = srv_socket;
set_server_socket_opts(srv_socket);
/* Bind the socket
*/
memset (&sockaddr, 0, sizeof(struct sockaddr_in));
sockaddr.sin_port = htons (port);
sockaddr.sin_family = AF_INET;
if (cherokee_buffer_is_empty (&srv->listen_to)) {
sockaddr.sin_addr.s_addr = INADDR_ANY;
} else {
#ifdef HAVE_INET_PTON
re = inet_pton (sockaddr.sin_family, srv->listen_to.buf, &sockaddr.sin_addr);
if (re == -1) {
PRINT_ERROR ("inet_pton errno=%d\n", errno);
}
#else
/* IPv6 needs inet_pton; inet_addr() doesn't support it.
*/
sockaddr.sin_addr.s_addr = inet_addr (srv->listen_to.buf);
#endif
}
re = bind (srv_socket, (struct sockaddr *)&sockaddr, sizeof(struct sockaddr_in));
return (re == 0) ? ret_ok : ret_error;
}
static ret_t
initialize_server_socket6 (cherokee_server_t *srv, unsigned short port, int *srv_socket_ret)
{
#ifdef HAVE_IPV6
int re;
int srv_socket;
struct sockaddr_in6 sockaddr;
/* Create the socket
*/
srv_socket = socket (AF_INET6, SOCK_STREAM, 0);
if (srv_socket < 0) {
PRINT_ERROR_S ("Error creating IPv6 server socket.. switching to IPv4\n");
srv->ipv6 = false;
return ret_error;
}
*srv_socket_ret = srv_socket;
set_server_socket_opts(srv_socket);
/* Bind the socket
*/
memset (&sockaddr, 0, sizeof(struct sockaddr_in6));
sockaddr.sin6_port = htons (port); /* Transport layer port # */
sockaddr.sin6_family = AF_INET6; /* AF_INET6 */
if (cherokee_buffer_is_empty (&srv->listen_to)) {
sockaddr.sin6_addr = in6addr_any;
} else {
re = inet_pton (sockaddr.sin6_family, srv->listen_to.buf, &sockaddr.sin6_addr);
if (re == -1) {
PRINT_ERROR ("inet_pton errno=%d\n", errno);
}
}
re = bind (srv_socket, (struct sockaddr *)&sockaddr, sizeof(struct sockaddr_in6));
return (re == 0) ? ret_ok : ret_error;
#endif
}
static ret_t
print_banner (cherokee_server_t *srv)
{
char *p;
char *method;
CHEROKEE_NEW(n,buffer);
/* First line
*/
cherokee_buffer_add_va (n, "Cherokee Web Server %s: ", PACKAGE_VERSION);
if (srv->socket_tls != -1 && srv->socket != -1) {
cherokee_buffer_add_va (n, "Listening on ports %d and %d", srv->port, srv->port_tls);
} else {
cherokee_buffer_add_va (n, "Listening on port %d",
(srv->socket != -1)? srv->port : srv->port_tls);
}
if (srv->chrooted) {
cherokee_buffer_add_str (n, ", chrooted");
}
/* TLS / SSL
*/
if (srv->tls_enabled) {
#if defined(HAVE_GNUTLS)
cherokee_buffer_add_str (n, ", with TLS support via GNUTLS");
#elif defined(HAVE_OPENSSL)
cherokee_buffer_add_str (n, ", with TLS support via OpenSSL");
#endif
} else {
cherokee_buffer_add_str (n, ", TLS disabled");
}
/* IPv6
*/
#ifdef HAVE_IPV6
if (srv->ipv6) {
cherokee_buffer_add_str (n, ", IPv6 enabled");
} else
#endif
cherokee_buffer_add_str (n, ", IPv6 disabled");
/* Polling method
*/
cherokee_fdpoll_get_method_str (srv->main_thread->fdpoll, &method);
cherokee_buffer_add_va (n, ", using %s", method);
/* File descriptor limit
*/
cherokee_buffer_add_va (n, ", %d fds limit", srv->system_fd_limit);
/* Threading stuff
*/
if (srv->thread_num <= 1) {
cherokee_buffer_add_str (n, ", single thread");
} else {
cherokee_buffer_add_va (n, ", %d threads", srv->thread_num);
cherokee_buffer_add_va (n, ", %d fds in each", srv->system_fd_limit / (srv->thread_num));
switch (srv->thread_policy) {
#ifdef HAVE_PTHREAD
case SCHED_FIFO:
cherokee_buffer_add_str (n, ", FIFO scheduling policy");
break;
case SCHED_RR:
cherokee_buffer_add_str (n, ", RR scheduling policy");
break;
#endif
default:
cherokee_buffer_add_str (n, ", standard scheduling policy");
break;
}
}
/* Print it!
*/
for (p = n->buf+TERMINAL_WIDTH; p < n->buf+n->len; p+=75) {
while (*p != ',') p--;
*p = '\n';
}
printf ("%s\n", n->buf);
cherokee_buffer_free (n);
return ret_ok;
}
static ret_t
initialize_server_socket (cherokee_server_t *srv, unsigned short port, int *srv_socket_ptr)
{
int flags;
int srv_socket;
ret_t ret = ret_error;
#ifdef HAVE_IPV6
if (srv->ipv6) {
ret = initialize_server_socket6 (srv, port, srv_socket_ptr);
}
#endif
if ((srv->ipv6 == false) || (ret != ret_ok)) {
ret = initialize_server_socket4 (srv, port, srv_socket_ptr);
}
if (ret != 0) {
uid_t uid = getuid();
gid_t gid = getgid();
PRINT_ERROR ("Can't bind() socket (port=%d, UID=%d, GID=%d)\n", port, uid, gid);
return ret_error;
}
srv_socket = *srv_socket_ptr;
/* Set no-delay mode
*/
#ifdef _WIN32
flags = 1;
ret = ioctlsocket (srv_socket, FIONBIO, (u_long)&flags);
#else
flags = fcntl (srv_socket, F_GETFL, 0);
return_if_fail (flags != -1, ret_error);
ret = fcntl (srv_socket, F_SETFL, flags | O_NDELAY);
return_if_fail (ret >= 0, ret_error);
#endif
/* Listen
*/
ret = listen (srv_socket, srv->listen_queue);
if (ret < 0) {
close (srv_socket);
return ret_error;
}
return ret_ok;
}
static ret_t
initialize_server_threads (cherokee_server_t *srv)
{
ret_t ret;
int i, fds_per_thread;
/* Get the system fd number limit
*/
fds_per_thread = srv->system_fd_limit / srv->thread_num;
/* Create the main thread
*/
ret = cherokee_thread_new (&srv->main_thread, srv, thread_sync,
srv->fdpoll_method, srv->system_fd_limit, fds_per_thread);
if (unlikely(ret < ret_ok)) return ret;
/* If Cherokee is compiled in single thread mode, it has to
* add the server socket to the fdpoll of the sync thread
*/
#ifndef HAVE_PTHREAD
ret = cherokee_fdpoll_add (srv->main_thread->fdpoll, srv->socket, 0);
if (unlikely(ret < ret_ok)) return ret;
if (srv->tls_enabled) {
ret = cherokee_fdpoll_add (srv->main_thread->fdpoll, srv->socket_tls, 0);
if (unlikely(ret < ret_ok)) return ret;
}
#endif
/* If Cherokee is compiles in multi-thread mode, it has to
* launch the threads
*/
#ifdef HAVE_PTHREAD
for (i=0; i<srv->thread_num - 1; i++) {
cherokee_thread_t *thread;
ret = cherokee_thread_new (&thread, srv, thread_async,
srv->fdpoll_method, srv->system_fd_limit, fds_per_thread);
if (unlikely(ret < ret_ok)) return ret;
thread->thread_pref = (i % 2)? thread_normal_tls : thread_tls_normal;
list_add (LIST(thread), &srv->thread_list);
}
#endif
return ret_ok;
}
static void
for_each_vserver_init_tls_func (const char *key, void *value)
{
ret_t ret;
cherokee_virtual_server_t *vserver = VSERVER(value);
ret = cherokee_virtual_server_init_tls (vserver);
if (ret < ret_ok) {
PRINT_ERROR ("Can not initialize TLS for `%s' virtual host\n",
cherokee_buffer_is_empty(&vserver->name) ? "unknown" : vserver->name.buf);
}
}
static int
while_vserver_check_tls_func (const char *key, void *value, void *param)
{
ret_t ret;
ret = cherokee_virtual_server_have_tls (VSERVER(value));
return (ret == ret_ok) ? 1 : 0;
}
static ret_t
init_vservers_tls (cherokee_server_t *srv)
{
#ifdef HAVE_TLS
ret_t ret;
/* Initialize the server TLS socket
*/
if (srv->socket_tls == -1) {
ret = initialize_server_socket (srv, srv->port_tls, &srv->socket_tls);
if (unlikely(ret != ret_ok)) return ret;
}
/* Initialize TLS in all the virtual servers
*/
ret = cherokee_virtual_server_init_tls (srv->vserver_default);
if (ret < ret_ok) {
PRINT_ERROR_S ("Can not init TLS for the default virtual server\n");
return ret_error;
}
cherokee_table_foreach (&srv->vservers_ref, for_each_vserver_init_tls_func);
#endif
return ret_ok;
}
static ret_t
set_fdmax_limit (cherokee_server_t *srv)
{
ret_t ret;
/* Try to raise the fd number system limit
*/
if (srv->max_fds != -1) {
/* Set it
*/
ret = cherokee_sys_fdlimit_set (srv->max_fds);
if (ret < ret_ok) {
PRINT_ERROR ("WARNING: Unable to set file descriptor limit to %d\n",
srv->max_fds);
}
}
/* Get system fd limimt.. has it been increased?
*/
ret = cherokee_sys_fdlimit_get (&srv->system_fd_limit);
if (ret < ret_ok) {
PRINT_ERROR_S ("ERROR: Unable to get file descriptor limit\n");
return ret;
}
return ret_ok;
}
static void
build_server_string (cherokee_server_t *srv)
{
cherokee_buffer_clean (&srv->server_string);
/* Cherokee
*/
cherokee_buffer_add_str (&srv->server_string, "Cherokee");
if (srv->server_token <= cherokee_version_product)
return;
/* Cherokee/x.y
*/
cherokee_buffer_add_va (&srv->server_string, "/%s.%s", PACKAGE_MAJOR_VERSION, PACKAGE_MINOR_VERSION);
if (srv->server_token <= cherokee_version_minor)
return;
/* Cherokee/x.y.z-betaXX
*/
cherokee_buffer_add_va (&srv->server_string, ".%s", PACKAGE_MICRO_VERSION PACKAGE_PATCH_VERSION);
if (srv->server_token <= cherokee_version_minimal)
return;
/* Cherokee/x.y.z-betaXX (UNIX)
*/
cherokee_buffer_add_va (&srv->server_string, " (%s)", OS_TYPE);
if (srv->server_token <= cherokee_version_os) return;
/* Cherokee/x.y.z-betaXX (UNIX) Ext1/x.y Ext2/x.y
* TODO
*/
}
ret_t
cherokee_server_init (cherokee_server_t *srv)
{
ret_t ret;
struct passwd *ent;
/* Build the server string
*/
build_server_string (srv);
/* Set the FD number limit
*/
ret = set_fdmax_limit (srv);
if (unlikely(ret < ret_ok)) return ret;
/* If the server has a previous server socket opened, Eg:
* because a SIGHUP, it shouldn't init the server socket.
*/
if (srv->socket == -1) {
ret = initialize_server_socket (srv, srv->port, &srv->socket);
if (unlikely(ret != ret_ok)) return ret;
}
/* Look if TLS is enabled
*/
ret = cherokee_virtual_server_have_tls (srv->vserver_default);
srv->tls_enabled = (ret == ret_ok);
if (srv->tls_enabled == false) {
ret = cherokee_table_while (&srv->vservers_ref, while_vserver_check_tls_func, NULL, NULL, NULL);
srv->tls_enabled = (ret == ret_ok);
}
if (srv->tls_enabled) {
ret = init_vservers_tls (srv);
if (unlikely(ret != ret_ok)) return ret;
}
/* Get the CPU number
*/
#ifndef CHEROKEE_EMBEDDED
dcc_ncpus (&srv->ncpus);
#else
srv->ncpus = 1;
#endif
if (srv->ncpus == -1) {
PRINT_ERROR_S ("Can not deternime the number of processors\n");
srv->ncpus = 1;
}
/* Maybe recalculate the thread number
*/
if (srv->thread_num == -1) {
#ifdef HAVE_PTHREAD
srv->thread_num = srv->ncpus * 5;
#else
srv->thread_num = 1;
#endif
}
/* Check the number of reusable connections
*/
if (srv->max_conn_reuse == -1) {
srv->max_conn_reuse = DEFAULT_CONN_REUSE;
}
/* Get the passwd file entry before chroot
*/
ent = getpwuid (srv->user);
if (ent == NULL) {
PRINT_ERROR ("Can't get username for UID %d\n", srv->user);
return ret_error;
}
/* Chroot
*/
if (! cherokee_buffer_is_empty (&srv->chroot)) {
srv->chrooted = (chroot (srv->chroot.buf) == 0);
if (srv->chrooted == 0) {
PRINT_ERROR ("Cannot chroot() to '%s': %s\n", srv->chroot.buf, strerror(errno));
}