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mod_ruby.c
1468 lines (1306 loc) · 38.7 KB
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mod_ruby.c
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/*
* $Id$
* Copyright (C) 2000 ZetaBITS, Inc.
* Copyright (C) 2000 Information-technology Promotion Agency, Japan
* Copyright (C) 2001 Shugo Maeda <shugo@modruby.net>
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdarg.h>
#include <signal.h>
#include "mod_ruby.h"
#include "ruby_config.h"
#include "apachelib.h"
#if defined(HAVE_DLOPEN) && !defined(USE_DLN_A_OUT) && !defined(_AIX)
/* dynamic load with dlopen() */
# define USE_DLN_DLOPEN
#endif
#ifdef USE_DLN_DLOPEN
# include <dlfcn.h>
# ifdef __NetBSD__
# include <nlist.h>
# include <link.h>
# endif
#endif
#ifdef __hpux
#include <errno.h>
#include "dl.h"
#endif
#ifdef NeXT
#if NS_TARGET_MAJOR < 4
#include <mach-o/rld.h>
#else
#include <mach-o/dyld.h>
#endif
#endif
#ifdef __APPLE__
#include <mach-o/dyld.h>
#endif
#ifdef _WIN32
#define GET_ENVIRON(e) (e = rb_w32_get_environ())
#define FREE_ENVIRON(e) rb_w32_free_environ(e)
static char **my_environ;
#undef environ
#define environ my_environ
#elif defined(__APPLE__)
#include <crt_externs.h>
#undef environ
#define environ (*_NSGetEnviron())
#define GET_ENVIRON(e) (e)
#define FREE_ENVIRON(e)
#else
extern char **environ;
#define GET_ENVIRON(e) (e)
#define FREE_ENVIRON(e)
#endif
RUBY_EXTERN VALUE ruby_errinfo;
RUBY_EXTERN VALUE rb_stdin;
RUBY_EXTERN VALUE rb_stdout;
RUBY_EXTERN VALUE rb_stderr;
#if RUBY_VERSION_CODE < 180
RUBY_EXTERN VALUE rb_defout;
#endif
static VALUE orig_stdin;
static VALUE orig_stdout;
#if RUBY_VERSION_CODE < 180
static VALUE orig_defout;
#endif
RUBY_EXTERN VALUE rb_load_path;
static VALUE default_load_path;
RUBY_EXTERN VALUE rb_progname;
static const char *default_kcode;
static int ruby_is_running = 0;
array_header *ruby_required_libraries = NULL;
#if APR_HAS_THREADS
#include "apr_thread_cond.h"
static apr_thread_t *ruby_thread;
static apr_thread_mutex_t *ruby_is_running_mutex;
static apr_thread_cond_t *ruby_is_running_cond;
static apr_thread_mutex_t *ruby_request_queue_mutex;
static apr_thread_cond_t *ruby_request_queue_cond;
int ruby_is_threaded_mpm;
typedef VALUE (*ruby_protect_func_t)(VALUE);
typedef struct ruby_request {
ruby_interp_func_t func;
void *arg;
void *result;
int state;
int done;
apr_thread_cond_t *done_cond;
struct ruby_request *next;
} ruby_request_t;
static ruby_request_t *ruby_request_queue = NULL;
#define SHUTDOWN_RUBY_THREAD NULL
#endif
#define RUBY_OBJECT_HANDLER "ruby-object"
static int ruby_object_handler(request_rec *r);
static int ruby_trans_handler(request_rec *r);
static int ruby_authen_handler(request_rec *r);
static int ruby_authz_handler(request_rec *r);
static int ruby_access_handler(request_rec *r);
static int ruby_type_handler(request_rec *r);
static int ruby_fixup_handler(request_rec *r);
static int ruby_log_handler(request_rec *r);
#ifndef APACHE2 /* Apache 1.x */
static int ruby_header_parser_handler(request_rec *r);
#endif
static int ruby_post_read_request_handler(request_rec *r);
#ifndef AP_INIT_TAKE1
# define AP_INIT_TAKE1(directive, func, mconfig, where, help) \
{ directive, func, mconfig, where, TAKE1, help }
# define AP_INIT_TAKE2(directive, func, mconfig, where, help) \
{ directive, func, mconfig, where, TAKE2, help }
# define AP_INIT_ITERATE(directive, func, mconfig, where, help) \
{ directive, func, mconfig, where, ITERATE, help }
# define AP_INIT_FLAG(directive, func, mconfig, where, help) \
{ directive, func, mconfig, where, FLAG, help }
#endif
static const command_rec ruby_cmds[] = {
AP_INIT_TAKE1("RubyKanjiCode", (const char *(*)())ruby_cmd_kanji_code, NULL, OR_ALL,
"set $KCODE"),
AP_INIT_ITERATE("RubyAddPath", ruby_cmd_add_path, NULL, OR_ALL,
"add path to $:"),
AP_INIT_ITERATE("RubyRequire", ruby_cmd_require, NULL, OR_ALL,
"ruby script name, pulled in via require"),
AP_INIT_ITERATE("RubyPassEnv", ruby_cmd_pass_env, NULL, RSRC_CONF,
"pass environment variables to ENV"),
AP_INIT_TAKE2("RubySetEnv", ruby_cmd_set_env, NULL, OR_ALL,
"Ruby ENV key and value" ),
AP_INIT_TAKE1("RubyTimeOut", ruby_cmd_timeout, NULL, RSRC_CONF,
"time to wait execution of ruby script"),
AP_INIT_TAKE1("RubySafeLevel", ruby_cmd_safe_level, NULL, OR_ALL,
"set default $SAFE"),
AP_INIT_TAKE1("RubyOutputMode", ruby_cmd_output_mode, NULL, OR_ALL,
"set output mode (nosync|sync|syncheader)"),
AP_INIT_FLAG("RubyRestrictDirectives", ruby_cmd_restrict_directives, NULL,
RSRC_CONF, "whether Ruby* directives are restricted from .htaccess"),
AP_INIT_TAKE2("RubyOption", ruby_cmd_option, NULL, OR_ALL,
"set option for application"),
AP_INIT_FLAG("RubyGcPerRequest", ruby_cmd_gc_per_request, NULL,
OR_ALL, "whether to call GC for each request"),
AP_INIT_TAKE1("RubyHandler", ruby_cmd_handler, NULL, OR_ALL,
"set ruby handler object"),
AP_INIT_TAKE1("RubyTransHandler", ruby_cmd_trans_handler, NULL, OR_ALL,
"set translation handler object"),
AP_INIT_TAKE1("RubyAuthenHandler", ruby_cmd_authen_handler, NULL, OR_ALL,
"set authentication handler object"),
AP_INIT_TAKE1("RubyAuthzHandler", ruby_cmd_authz_handler, NULL, OR_ALL,
"set authorization handler object"),
AP_INIT_TAKE1("RubyAccessHandler", ruby_cmd_access_handler, NULL, OR_ALL,
"set access checker object"),
AP_INIT_TAKE1("RubyTypeHandler", ruby_cmd_type_handler, NULL, OR_ALL,
"set type checker object"),
AP_INIT_TAKE1("RubyFixupHandler", ruby_cmd_fixup_handler, NULL, OR_ALL,
"set fixup handler object"),
AP_INIT_TAKE1("RubyLogHandler", ruby_cmd_log_handler, NULL, OR_ALL,
"set log handler object"),
AP_INIT_TAKE1("RubyHeaderParserHandler", ruby_cmd_header_parser_handler,
NULL, OR_ALL,
"set header parser object"),
AP_INIT_TAKE1("RubyPostReadRequestHandler", ruby_cmd_post_read_request_handler,
NULL, RSRC_CONF,
"set post-read-request handler object"),
AP_INIT_TAKE1("RubyInitHandler", ruby_cmd_init_handler,
NULL, OR_ALL,
"set init handler object"),
AP_INIT_TAKE1("RubyCleanupHandler", ruby_cmd_cleanup_handler,
NULL, OR_ALL,
"set cleanup handler object"),
AP_INIT_TAKE1("RubyChildInitHandler", ruby_cmd_child_init_handler,
NULL, RSRC_CONF,
"set child init handler object"),
{NULL}
};
#ifdef APACHE2
static int ruby_startup(pool*, pool*, pool*, server_rec*);
static void ruby_child_init(pool*, server_rec*);
static void ruby_register_hooks(pool *p)
{
static const char *const post[] = {"mod_autoindex.c", NULL};
ap_hook_post_config(ruby_startup, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_handler(ruby_object_handler, NULL, post, APR_HOOK_MIDDLE);
ap_hook_translate_name(ruby_trans_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_check_user_id(ruby_authen_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_auth_checker(ruby_authz_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_access_checker(ruby_access_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_type_checker(ruby_type_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_fixups(ruby_fixup_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_log_transaction(ruby_log_handler, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_child_init(ruby_child_init, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_post_read_request(ruby_post_read_request_handler,
NULL, NULL, APR_HOOK_MIDDLE);
}
module AP_MODULE_DECLARE_DATA ruby_module =
{
STANDARD20_MODULE_STUFF,
ruby_create_dir_config, /* dir config creater */
ruby_merge_dir_config, /* dir merger --- default is to override */
ruby_create_server_config, /* create per-server config structure */
ruby_merge_server_config, /* merge server config */
ruby_cmds, /* command apr_table_t */
ruby_register_hooks /* register hooks */
};
#else /* Apache 1.x */
static void ruby_startup(server_rec*, pool*);
static void ruby_child_init(server_rec*, pool*);
static const handler_rec ruby_handlers[] =
{
{RUBY_OBJECT_HANDLER, ruby_object_handler},
{NULL}
};
MODULE_VAR_EXPORT module ruby_module =
{
STANDARD_MODULE_STUFF,
ruby_startup, /* initializer */
ruby_create_dir_config, /* dir config creater */
ruby_merge_dir_config, /* dir merger --- default is to override */
ruby_create_server_config, /* create per-server config structure */
ruby_merge_server_config, /* merge server config */
ruby_cmds, /* command table */
ruby_handlers, /* handlers */
ruby_trans_handler, /* filename translation */
ruby_authen_handler, /* check_user_id */
ruby_authz_handler, /* check auth */
ruby_access_handler, /* check access */
ruby_type_handler, /* type_checker */
ruby_fixup_handler, /* fixups */
ruby_log_handler, /* logger */
ruby_header_parser_handler, /* header parser */
ruby_child_init, /* child_init */
NULL, /* child_exit */
ruby_post_read_request_handler, /* post read-request */
#ifdef EAPI
NULL, /* add_module */
NULL, /* remove_module */
NULL, /* rewrite_command */
NULL, /* new_connection */
NULL /* close_connection */
#endif /* EAPI */
};
#endif
#define STRING_LITERAL(s) rb_str_new(s, sizeof(s) - 1)
#define STR_CAT_LITERAL(str, s) rb_str_cat(str, s, sizeof(s) - 1)
typedef struct protect_call_arg {
VALUE recv;
ID mid;
int argc;
VALUE *argv;
} protect_call_arg_t;
static VALUE protect_funcall0(VALUE arg)
{
return rb_funcall2(((protect_call_arg_t *) arg)->recv,
((protect_call_arg_t *) arg)->mid,
((protect_call_arg_t *) arg)->argc,
((protect_call_arg_t *) arg)->argv);
}
VALUE rb_protect_funcall(VALUE recv, ID mid, int *state, int argc, ...)
{
va_list ap;
VALUE *argv;
struct protect_call_arg arg;
if (argc > 0) {
int i;
argv = ALLOCA_N(VALUE, argc);
va_start(ap, argc);
for (i = 0; i < argc; i++) {
argv[i] = va_arg(ap, VALUE);
}
va_end(ap);
}
else {
argv = 0;
}
arg.recv = recv;
arg.mid = mid;
arg.argc = argc;
arg.argv = argv;
return rb_protect(protect_funcall0, (VALUE) &arg, state);
}
static void get_error_pos(VALUE str)
{
char buff[BUFSIZ];
ID this_func = rb_frame_this_func();
if (ruby_sourcefile) {
if (this_func) {
snprintf(buff, BUFSIZ, "%s:%d:in `%s'", ruby_sourcefile, ruby_sourceline,
rb_id2name(this_func));
}
else {
snprintf(buff, BUFSIZ, "%s:%d", ruby_sourcefile, ruby_sourceline);
}
rb_str_cat(str, buff, strlen(buff));
}
}
static void get_exception_info(VALUE str)
{
VALUE errat;
VALUE eclass;
VALUE estr;
char *einfo;
int elen;
int state;
if (NIL_P(ruby_errinfo)) return;
errat = rb_funcall(ruby_errinfo, rb_intern("backtrace"), 0);
if (!NIL_P(errat)) {
VALUE mesg = RARRAY(errat)->ptr[0];
if (NIL_P(mesg)) {
get_error_pos(str);
}
else {
rb_str_cat(str, RSTRING(mesg)->ptr, RSTRING(mesg)->len);
}
}
eclass = CLASS_OF(ruby_errinfo);
estr = rb_protect(rb_obj_as_string, ruby_errinfo, &state);
if (state) {
einfo = "";
elen = 0;
}
else {
einfo = RSTRING(estr)->ptr;
elen = RSTRING(estr)->len;
}
if (eclass == rb_eRuntimeError && elen == 0) {
STR_CAT_LITERAL(str, ": unhandled exception\n");
}
else {
VALUE epath;
epath = rb_class_path(eclass);
if (elen == 0) {
STR_CAT_LITERAL(str, ": ");
rb_str_cat(str, RSTRING(epath)->ptr, RSTRING(epath)->len);
STR_CAT_LITERAL(str, "\n");
}
else {
char *tail = 0;
int len = elen;
if (RSTRING(epath)->ptr[0] == '#') epath = 0;
if ((tail = strchr(einfo, '\n')) != NULL) {
len = tail - einfo;
tail++; /* skip newline */
}
STR_CAT_LITERAL(str, ": ");
rb_str_cat(str, einfo, len);
if (epath) {
STR_CAT_LITERAL(str, " (");
rb_str_cat(str, RSTRING(epath)->ptr, RSTRING(epath)->len);
STR_CAT_LITERAL(str, ")\n");
}
if (tail) {
rb_str_cat(str, tail, elen - len - 1);
STR_CAT_LITERAL(str, "\n");
}
}
}
if (!NIL_P(errat)) {
long i, len;
struct RArray *ep;
#define TRACE_MAX (TRACE_HEAD+TRACE_TAIL+5)
#define TRACE_HEAD 8
#define TRACE_TAIL 5
ep = RARRAY(errat);
len = ep->len;
for (i=1; i<len; i++) {
if (TYPE(ep->ptr[i]) == T_STRING) {
STR_CAT_LITERAL(str, " from ");
rb_str_cat(str, RSTRING(ep->ptr[i])->ptr, RSTRING(ep->ptr[i])->len);
STR_CAT_LITERAL(str, "\n");
}
if (i == TRACE_HEAD && len > TRACE_MAX) {
char buff[BUFSIZ];
snprintf(buff, BUFSIZ, " ... %ld levels...\n",
len - TRACE_HEAD - TRACE_TAIL);
rb_str_cat(str, buff, strlen(buff));
i = len - TRACE_TAIL;
}
}
}
/* ruby_errinfo = Qnil; */
}
VALUE ruby_get_error_info(int state)
{
char buff[BUFSIZ];
VALUE errmsg;
errmsg = STRING_LITERAL("");
switch (state) {
case TAG_RETURN:
get_error_pos(errmsg);
STR_CAT_LITERAL(errmsg, ": unexpected return\n");
break;
case TAG_NEXT:
get_error_pos(errmsg);
STR_CAT_LITERAL(errmsg, ": unexpected next\n");
break;
case TAG_BREAK:
get_error_pos(errmsg);
STR_CAT_LITERAL(errmsg, ": unexpected break\n");
break;
case TAG_REDO:
get_error_pos(errmsg);
STR_CAT_LITERAL(errmsg, ": unexpected redo\n");
break;
case TAG_RETRY:
get_error_pos(errmsg);
STR_CAT_LITERAL(errmsg, ": retry outside of rescue clause\n");
break;
case TAG_RAISE:
case TAG_FATAL:
get_exception_info(errmsg);
break;
default:
get_error_pos(errmsg);
snprintf(buff, BUFSIZ, ": unknown longjmp status %d", state);
rb_str_cat(errmsg, buff, strlen(buff));
break;
}
return errmsg;
}
void ruby_log_error(const char *file, int line, int level,
const server_rec *s, const char *fmt, ...)
{
va_list args;
char buf[BUFSIZ];
va_start(args, fmt);
vsnprintf(buf, BUFSIZ, fmt, args);
#ifdef APACHE2
ap_log_error(file, line, level, 0, s, "mod_ruby: %s", buf);
#else
ap_log_error(file, line, level, s, "mod_ruby: %s", buf);
#endif
va_end(args);
}
void ruby_log_error_string(server_rec *s, VALUE errmsg)
{
VALUE msgs;
int i;
ruby_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, s, "error in ruby");
msgs = rb_str_split(errmsg, "\n");
for (i = 0; i < RARRAY(msgs)->len; i++) {
ruby_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, s,
"%s", StringValuePtr(RARRAY(msgs)->ptr[i]));
}
}
static void handle_error(request_rec *r, int state)
{
ruby_request_config *rconf;
VALUE errmsg;
errmsg = ruby_get_error_info(state);
if (r->request_config) {
rconf = get_request_config(r);
if (rconf && !NIL_P(rconf->request_object))
rb_apache_request_set_error(rconf->request_object,
errmsg, ruby_errinfo);
}
ruby_log_error_string(r->server, errmsg);
}
int ruby_running()
{
return ruby_is_running;
}
void mod_ruby_setup_loadpath(ruby_server_config *sconf,
ruby_dir_config *dconf)
{
int i, n;
char **paths;
rb_load_path = rb_ary_new();
for (i = 0; i < RARRAY(default_load_path)->len; i++) {
rb_ary_push(rb_load_path, rb_str_dup(RARRAY(default_load_path)->ptr[i]));
}
if (sconf && sconf->load_path) {
paths = (char **) sconf->load_path->elts;
n = sconf->load_path->nelts;
for (i = 0; i < n; i++) {
rb_ary_push(rb_load_path, rb_str_new2(paths[i]));
}
}
if (dconf && dconf->load_path) {
paths = (char **) dconf->load_path->elts;
n = dconf->load_path->nelts;
for (i = 0; i < n; i++) {
rb_ary_push(rb_load_path, rb_str_new2(paths[i]));
}
}
}
static int ruby_require_directly(const char *filename,
ruby_server_config *sconf,
ruby_dir_config *dconf)
{
VALUE fname, exit_status;
int state;
mod_ruby_setup_loadpath(sconf, dconf);
fname = rb_str_new2(filename);
rb_protect_funcall(Qnil, rb_intern("require"), &state, 1, fname);
if (state == TAG_RAISE &&
rb_obj_is_kind_of(ruby_errinfo, rb_eSystemExit)) {
exit_status = rb_iv_get(ruby_errinfo, "status");
exit(NUM2INT(exit_status));
}
return state;
}
static void ruby_add_path(const char *path)
{
rb_ary_push(default_load_path, rb_str_new2(path));
}
#ifdef APACHE2
static int ruby_startup(pool *p, pool *plog, pool *ptemp, server_rec *s)
{
ap_add_version_component(p, MOD_RUBY_STRING_VERSION);
#if RUBY_RELEASE_CODE > 20040624
{
char *version = apr_pstrcat(p, "Ruby/", ruby_version,
"(", ruby_release_date, ")",
(char *) NULL);
ap_add_version_component(p, version);
}
#endif
#if APR_HAS_THREADS
ruby_is_threaded_mpm = ap_find_linked_module("prefork.c") == NULL;
#endif
return OK;
}
#else /* Apache 1.x */
static void ruby_startup(server_rec *s, pool *p)
{
ap_add_version_component(MOD_RUBY_STRING_VERSION);
#if RUBY_RELEASE_CODE > 20040624
{
char *version = ap_pstrcat(p, "Ruby/", ruby_version,
"(", ruby_release_date, ")",
(char *) NULL);
ap_add_version_component(version);
}
#endif
}
#endif
#ifdef POSIX_SIGNAL
#define ruby_signal(sig,handle) posix_signal((sig),(handle))
#else
#define ruby_signal(sig,handle) signal((sig),(handle))
#endif
static void ruby_init_interpreter(server_rec *s)
{
VALUE stack_start;
ruby_server_config *conf = get_server_config(s);
ruby_library_context *libraries;
char **list;
int i, n;
int state;
#ifdef SIGHUP
RETSIGTYPE (*sighup_handler)_((int));
#endif
#ifdef SIGQUIT
RETSIGTYPE (*sigquit_handler)_((int));
#endif
#ifdef SIGTERM
RETSIGTYPE (*sigterm_handler)_((int));
#endif
void Init_stack _((VALUE*));
#ifdef SIGHUP
sighup_handler = signal(SIGHUP, SIG_DFL);
#endif
#ifdef SIGQUIT
sigquit_handler = signal(SIGQUIT, SIG_DFL);
#endif
#ifdef SIGTERM
sigterm_handler = signal(SIGTERM, SIG_DFL);
#endif
ruby_init();
#ifdef SIGHUP
if (sighup_handler != SIG_ERR)
ruby_signal(SIGHUP, sighup_handler);
#endif
#ifdef SIGQUIT
if (sigquit_handler != SIG_ERR)
ruby_signal(SIGQUIT, sigquit_handler);
#endif
#ifdef SIGTERM
if (sigterm_handler != SIG_ERR)
ruby_signal(SIGTERM, sigterm_handler);
#endif
Init_stack(&stack_start);
rb_init_apache();
rb_define_global_const("MOD_RUBY",
STRING_LITERAL(MOD_RUBY_STRING_VERSION));
orig_stdin = rb_stdin;
orig_stdout = rb_stdout;
#if RUBY_VERSION_CODE < 180
orig_defout = rb_defout;
#endif
#ifdef APACHE2
rb_protect_funcall(rb_stderr, rb_intern("sync="), NULL, 1, Qtrue);
#endif
ruby_init_loadpath();
default_load_path = rb_load_path;
rb_global_variable(&default_load_path);
list = (char **) conf->load_path->elts;
n = conf->load_path->nelts;
for (i = 0; i < n; i++) {
ruby_add_path(list[i]);
}
conf->load_path = NULL;
default_kcode = rb_get_kcode();
if (ruby_required_libraries) {
libraries = (ruby_library_context *) ruby_required_libraries->elts;
n = ruby_required_libraries->nelts;
for (i = 0; i < n; i++) {
if ((state = ruby_require_directly(libraries[i].filename,
libraries[i].server_config,
libraries[i].dir_config))) {
ruby_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, s,
"failed to require %s",
libraries[i].filename);
ruby_log_error_string(s, ruby_get_error_info(state));
}
}
}
}
static void dso_unload(void *handle)
{
#if defined(_WIN32)
FreeLibrary((HANDLE) handle);
#elif defined(HPUX) || defined(HPUX10) || defined(HPUX11)
shl_unload((shl_t) handle);
#elif defined(HAVE_DYLD)
NSUnLinkModule(handle, FALSE);
#else
dlclose(handle);
#endif
}
static void ruby_finalize_interpreter()
{
RUBY_EXTERN VALUE ruby_dln_librefs;
int i;
ruby_finalize();
for (i = 0; i < RARRAY(ruby_dln_librefs)->len; i++) {
dso_unload((void *) NUM2LONG(RARRAY(ruby_dln_librefs)->ptr[i]));
}
}
#if APR_HAS_THREADS
static void* APR_THREAD_FUNC ruby_thread_start(apr_thread_t *t, void *data)
{
server_rec *s = (server_rec *) data;
ruby_request_t *req;
ruby_init_interpreter(s);
apr_thread_mutex_lock(ruby_is_running_mutex);
ruby_is_running = 1;
apr_thread_cond_signal(ruby_is_running_cond);
apr_thread_mutex_unlock(ruby_is_running_mutex);
while (1) {
apr_thread_mutex_lock(ruby_request_queue_mutex);
while (ruby_request_queue == NULL)
apr_thread_cond_wait(ruby_request_queue_cond,
ruby_request_queue_mutex);
req = ruby_request_queue;
if (req->func == SHUTDOWN_RUBY_THREAD)
break;
req->result =
(void *) rb_protect((ruby_protect_func_t) req->func,
(VALUE) req->arg,
&req->state);
ruby_request_queue = ruby_request_queue->next;
req->done = 1;
apr_thread_cond_signal(req->done_cond);
apr_thread_mutex_unlock(ruby_request_queue_mutex);
}
ruby_finalize_interpreter();
req->done = 1;
apr_thread_cond_signal(req->done_cond);
apr_thread_mutex_unlock(ruby_request_queue_mutex);
return NULL;
}
apr_status_t ruby_call_interpreter(pool *p, ruby_interp_func_t func,
void *arg, void **result, int *state)
{
apr_status_t status;
ruby_request_t *req;
req = apr_palloc(p, sizeof(ruby_request_t));
req->func = func;
req->arg = arg;
req->result = NULL;
req->state = 0;
req->done = 0;
status = apr_thread_cond_create(&req->done_cond, p);
if (status != APR_SUCCESS)
return status;
req->next = NULL;
apr_thread_mutex_lock(ruby_request_queue_mutex);
if (ruby_request_queue)
ruby_request_queue->next = req;
else
ruby_request_queue = req;
apr_thread_cond_signal(ruby_request_queue_cond);
while (!req->done)
apr_thread_cond_wait(req->done_cond, ruby_request_queue_mutex);
apr_thread_mutex_unlock(ruby_request_queue_mutex);
if (result)
*result = req->result;
if (state)
*state = req->state;
return APR_SUCCESS;
}
#endif
static APR_CLEANUP_RETURN_TYPE ruby_child_cleanup(void *data)
{
#if APR_HAS_THREADS
if (ruby_is_threaded_mpm) {
pool *p;
apr_status_t status, result;
#ifdef SIGTERM
ruby_signal(SIGTERM, SIG_IGN);
#endif
status = apr_pool_create(&p, NULL);
if (status != APR_SUCCESS)
return status;
status = ruby_call_interpreter(p, SHUTDOWN_RUBY_THREAD, NULL, NULL, NULL);
apr_pool_clear(p);
if (status != APR_SUCCESS)
return status;
status = apr_thread_join(&result, ruby_thread);
return status;
}
else {
#endif
ruby_finalize_interpreter();
APR_CLEANUP_RETURN_SUCCESS();
#if APR_HAS_THREADS
}
#endif
}
static request_rec *fake_request_rec(server_rec *s, pool *p, char *hook)
{
request_rec *r = (request_rec *) apr_pcalloc(p, sizeof(request_rec));
r->pool = p;
r->server = s;
r->per_dir_config = NULL;
r->request_config = NULL;
r->uri = hook;
r->notes = NULL;
return r;
}
static int ruby_handler(request_rec *, array_header *, ID, int, int);
#ifdef APACHE2
static void ruby_child_init(pool *p, server_rec *s)
#else /* Apache 1.x */
static void ruby_child_init(server_rec *s, pool *p)
#endif
{
ruby_server_config *conf;
request_rec *r;
if (!ruby_running()) {
#if APR_HAS_THREADS
if (ruby_is_threaded_mpm) {
apr_status_t status;
status = apr_thread_mutex_create(&ruby_is_running_mutex,
APR_THREAD_MUTEX_DEFAULT, p);
if (status != APR_SUCCESS) {
ruby_log_error(APLOG_MARK, APLOG_CRIT | APLOG_NOERRNO, s,
"failed to create mutex");
return;
}
status = apr_thread_cond_create(&ruby_is_running_cond, p);
if (status != APR_SUCCESS) {
ruby_log_error(APLOG_MARK, APLOG_CRIT | APLOG_NOERRNO, s,
"failed to create cond");
return;
}
status = apr_thread_mutex_create(&ruby_request_queue_mutex,
APR_THREAD_MUTEX_DEFAULT, p);
if (status != APR_SUCCESS) {
ruby_log_error(APLOG_MARK, APLOG_CRIT | APLOG_NOERRNO, s,
"failed to create mutex");
return;
}
status = apr_thread_cond_create(&ruby_request_queue_cond, p);
if (status != APR_SUCCESS) {
ruby_log_error(APLOG_MARK, APLOG_CRIT | APLOG_NOERRNO, s,
"failed to create cond");
return;
}
status = apr_thread_create(&ruby_thread, NULL, ruby_thread_start, s, p);
if (status != APR_SUCCESS) {
ruby_log_error(APLOG_MARK, APLOG_CRIT | APLOG_NOERRNO, s,
"failed to create ruby thread");
return;
}
apr_thread_mutex_lock(ruby_is_running_mutex);
while (!ruby_running())
apr_thread_cond_wait(ruby_is_running_cond,
ruby_is_running_mutex);
apr_thread_mutex_unlock(ruby_is_running_mutex);
}
else {
#endif
ruby_init_interpreter(s);
ruby_is_running = 1;
#if APR_HAS_THREADS
}
#endif
apr_pool_cleanup_register(p, NULL, ruby_child_cleanup, apr_pool_cleanup_null);
}
r = fake_request_rec(s, p, "RubyChildInitHandler");
conf = get_server_config(r->server);
ruby_handler(r, conf->ruby_child_init_handler,
rb_intern("child_init"), 0, 0);
}
static void mod_ruby_clearenv(pool *p)
{
char **env;
array_header *names = apr_array_make(p, 1, sizeof(char*));
int i;
env = GET_ENVIRON(environ);
while (*env) {
char *s = strchr(*env, '=');
if (s) {
*(char **) apr_array_push(names) = apr_pstrndup(p, *env, s - *env);
}
env++;
}
FREE_ENVIRON(environ);
for (i = 0; i < names->nelts; i++) {
char *name = ((char **) names->elts)[i];
char *val = getenv(name);
if (val) {
ruby_unsetenv(name);
}
}
}
static void mod_ruby_setenv(const char *name, const char *value)
{
if (!name) return;
ruby_unsetenv(name);
if (value && *value)
ruby_setenv(name, value);
}
static void setenv_from_table(table *tbl)
{
const array_header *env_arr;
table_entry *env;
int i;
env_arr = apr_table_elts(tbl);
env = (table_entry *) env_arr->elts;
for (i = 0; i < env_arr->nelts; i++) {
if (env[i].key == NULL)
continue;
mod_ruby_setenv(env[i].key, env[i].val);
}
}
void rb_setup_cgi_env(request_rec *r)
{
ruby_server_config *sconf = get_server_config(r->server);
ruby_dir_config *dconf = get_dir_config(r);
mod_ruby_clearenv(r->pool);
ap_add_common_vars(r);
ap_add_cgi_vars(r);
setenv_from_table(r->subprocess_env);
setenv_from_table(sconf->env);
setenv_from_table(dconf->env);
mod_ruby_setenv("MOD_RUBY", MOD_RUBY_STRING_VERSION);
mod_ruby_setenv("GATEWAY_INTERFACE", RUBY_GATEWAY_INTERFACE);
}
static VALUE kill_threads(VALUE arg)
{
extern VALUE rb_thread_list();
VALUE threads = rb_thread_list();
VALUE main_thread = rb_thread_main();
VALUE th;
int i;
for (i = 0; i < RARRAY(threads)->len; i++) {
th = RARRAY(threads)->ptr[i];
if (th != main_thread)
rb_protect_funcall(th, rb_intern("kill"), NULL, 0);
}
return Qnil;