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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 "lua_config.h"
#include "lua_vmprep.h"
APLOG_USE_MODULE(lua);
static ap_lua_dir_cfg *check_dir_config(lua_State *L, int index)
{
ap_lua_dir_cfg *cfg;
luaL_checkudata(L, index, "Apache2.DirConfig");
cfg = (ap_lua_dir_cfg *) lua_unboxpointer(L, index);
return cfg;
}
static cmd_parms *check_cmd_parms(lua_State *L, int index)
{
cmd_parms *cmd;
luaL_checkudata(L, index, "Apache2.CommandParameters");
cmd = (cmd_parms *) lua_unboxpointer(L, index);
return cmd;
}
static int apl_toscope(const char *name)
{
if (0 == strcmp("once", name))
return AP_LUA_SCOPE_ONCE;
if (0 == strcmp("request", name))
return AP_LUA_SCOPE_REQUEST;
if (0 == strcmp("connection", name))
return AP_LUA_SCOPE_CONN;
if (0 == strcmp("conn", name))
return AP_LUA_SCOPE_CONN;
if (0 == strcmp("thread", name))
return AP_LUA_SCOPE_THREAD;
return AP_LUA_SCOPE_ONCE;
}
apr_status_t ap_lua_map_handler(ap_lua_dir_cfg *cfg,
const char *file,
const char *function,
const char *pattern,
const char *scope)
{
ap_regex_t *uri_pattern;
apr_status_t rv;
ap_lua_mapped_handler_spec *handler =
apr_pcalloc(cfg->pool, sizeof(ap_lua_mapped_handler_spec));
handler->uri_pattern = NULL;
handler->function_name = NULL;
uri_pattern = apr_palloc(cfg->pool, sizeof(ap_regex_t));
if ((rv = ap_regcomp(uri_pattern, pattern, 0)) != APR_SUCCESS) {
return rv;
}
handler->file_name = apr_pstrdup(cfg->pool, file);
handler->uri_pattern = uri_pattern;
handler->scope = apl_toscope(scope);
handler->function_name = apr_pstrdup(cfg->pool, function);
*(const ap_lua_mapped_handler_spec **) apr_array_push(cfg->mapped_handlers) =
handler;
return APR_SUCCESS;
}
/* Change to use ap_lua_map_handler */
static int cfg_lua_map_handler(lua_State *L)
{
ap_lua_dir_cfg *cfg = check_dir_config(L, 1);
ap_lua_mapped_handler_spec *handler =
apr_pcalloc(cfg->pool, sizeof(ap_lua_mapped_handler_spec));
handler->uri_pattern = NULL;
handler->function_name = NULL;
luaL_checktype(L, 2, LUA_TTABLE);
lua_getfield(L, 2, "file");
if (lua_isstring(L, -1)) {
const char *file = lua_tostring(L, -1);
handler->file_name = apr_pstrdup(cfg->pool, file);
}
lua_pop(L, 1);
lua_getfield(L, 2, "pattern");
if (lua_isstring(L, -1)) {
const char *pattern = lua_tostring(L, -1);
ap_regex_t *uri_pattern = apr_palloc(cfg->pool, sizeof(ap_regex_t));
if (ap_regcomp(uri_pattern, pattern, 0) != OK) {
return luaL_error(L, "Unable to compile regular expression, '%s'",
pattern);
}
handler->uri_pattern = uri_pattern;
}
lua_pop(L, 1);
lua_getfield(L, 2, "scope");
if (lua_isstring(L, -1)) {
const char *scope = lua_tostring(L, -1);
handler->scope = apl_toscope(scope);
}
else {
handler->scope = AP_LUA_SCOPE_ONCE;
}
lua_pop(L, 1);
lua_getfield(L, 2, "func");
if (lua_isstring(L, -1)) {
const char *value = lua_tostring(L, -1);
handler->function_name = apr_pstrdup(cfg->pool, value);
}
else {
handler->function_name = "handle";
}
lua_pop(L, 1);
*(const ap_lua_mapped_handler_spec **) apr_array_push(cfg->mapped_handlers) =
handler;
return 0;
}
static int cfg_directory(lua_State *L)
{
ap_lua_dir_cfg *cfg = check_dir_config(L, 1);
lua_pushstring(L, cfg->dir);
return 1;
}
/*static int cfg_root(lua_State *L)
{
ap_lua_dir_cfg *cfg = check_dir_config(L, 1);
lua_pushstring(L, cfg->root_path);
return 1;
}*/
static const struct luaL_Reg cfg_methods[] = {
{"match_handler", cfg_lua_map_handler},
{"directory", cfg_directory},
/* {"root", cfg_root}, */
{NULL, NULL}
};
/* helper function for the logging functions below */
static int cmd_log_at(lua_State *L, int level)
{
const char *msg;
cmd_parms *cmd = check_cmd_parms(L, 1);
lua_Debug dbg;
lua_getstack(L, 1, &dbg);
lua_getinfo(L, "Sl", &dbg);
msg = luaL_checkstring(L, 2);
/* Intentional no APLOGNO */
ap_log_error(dbg.source, dbg.currentline, APLOG_MODULE_INDEX, level, 0,
cmd->server, "%s", msg);
return 0;
}
/* r:debug(String) and friends which use apache logging */
static int cmd_emerg(lua_State *L)
{
return cmd_log_at(L, APLOG_EMERG);
}
static int cmd_alert(lua_State *L)
{
return cmd_log_at(L, APLOG_ALERT);
}
static int cmd_crit(lua_State *L)
{
return cmd_log_at(L, APLOG_CRIT);
}
static int cmd_err(lua_State *L)
{
return cmd_log_at(L, APLOG_ERR);
}
static int cmd_warn(lua_State *L)
{
return cmd_log_at(L, APLOG_WARNING);
}
static int cmd_notice(lua_State *L)
{
return cmd_log_at(L, APLOG_NOTICE);
}
static int cmd_info(lua_State *L)
{
return cmd_log_at(L, APLOG_INFO);
}
static int cmd_debug(lua_State *L)
{
return cmd_log_at(L, APLOG_DEBUG);
}
static int cmd_trace1(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE1);
}
static int cmd_trace2(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE2);
}
static int cmd_trace3(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE3);
}
static int cmd_trace4(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE4);
}
static int cmd_trace5(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE5);
}
static int cmd_trace6(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE6);
}
static int cmd_trace7(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE7);
}
static int cmd_trace8(lua_State *L)
{
return cmd_log_at(L, APLOG_TRACE8);
}
static const struct luaL_Reg cmd_methods[] = {
{"trace8", cmd_trace8},
{"trace7", cmd_trace7},
{"trace6", cmd_trace6},
{"trace5", cmd_trace5},
{"trace4", cmd_trace4},
{"trace3", cmd_trace3},
{"trace2", cmd_trace2},
{"trace1", cmd_trace1},
{"debug", cmd_debug},
{"info", cmd_info},
{"notice", cmd_notice},
{"warn", cmd_warn},
{"err", cmd_err},
{"crit", cmd_crit},
{"alert", cmd_alert},
{"emerg", cmd_emerg},
{NULL, NULL}
};
void ap_lua_load_config_lmodule(lua_State *L)
{
luaL_newmetatable(L, "Apache2.DirConfig"); /* [metatable] */
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
luaL_setfuncs_compat(L, cfg_methods); /* [metatable] */
luaL_newmetatable(L, "Apache2.CommandParameters");
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
luaL_setfuncs_compat(L, cmd_methods); /* [metatable] */
}