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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 "mod_lua.h"
#include "util_script.h"
#include "lua_apr.h"
#include "scoreboard.h"
#include "lua_dbd.h"
#include "util_md5.h"
APLOG_USE_MODULE(lua);
#define POST_MAX_VARS 500
typedef char *(*req_field_string_f) (request_rec * r);
typedef int (*req_field_int_f) (request_rec * r);
typedef apr_table_t *(*req_field_apr_table_f) (request_rec * r);
void ap_lua_rstack_dump(lua_State *L, request_rec *r, const char *msg)
{
int i;
int top = lua_gettop(L);
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(01484) "Lua Stack Dump: [%s]", msg);
for (i = 1; i <= top; i++) {
int t = lua_type(L, i);
switch (t) {
case LUA_TSTRING:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: '%s'", i, lua_tostring(L, i));
break;
}
case LUA_TUSERDATA:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, "%d: userdata",
i);
break;
}
case LUA_TLIGHTUSERDATA:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: lightuserdata", i);
break;
}
case LUA_TNIL:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, "%d: NIL", i);
break;
}
case LUA_TNONE:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, "%d: None", i);
break;
}
case LUA_TBOOLEAN:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: %s", i, lua_toboolean(L,
i) ? "true" :
"false");
break;
}
case LUA_TNUMBER:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: %g", i, lua_tonumber(L, i));
break;
}
case LUA_TTABLE:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: <table>", i);
break;
}
case LUA_TFUNCTION:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: <function>", i);
break;
}
default:{
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
"%d: unknown: -[%s]-", i, lua_typename(L, i));
break;
}
}
}
}
/**
* Verify that the thing at index is a request_rec wrapping
* userdata thingamajig and return it if it is. if it is not
* lua will enter its error handling routine.
*/
static request_rec *ap_lua_check_request_rec(lua_State *L, int index)
{
request_rec *r;
luaL_checkudata(L, index, "Apache2.Request");
r = (request_rec *) lua_unboxpointer(L, index);
return r;
}
/* ------------------ request methods -------------------- */
/* helper callback for req_parseargs */
static int req_aprtable2luatable_cb(void *l, const char *key,
const char *value)
{
int t;
lua_State *L = (lua_State *) l; /* [table<s,t>, table<s,s>] */
/* rstack_dump(L, RRR, "start of cb"); */
/* L is [table<s,t>, table<s,s>] */
/* build complex */
lua_getfield(L, -1, key); /* [VALUE, table<s,t>, table<s,s>] */
/* rstack_dump(L, RRR, "after getfield"); */
t = lua_type(L, -1);
switch (t) {
case LUA_TNIL:
case LUA_TNONE:{
lua_pop(L, 1); /* [table<s,t>, table<s,s>] */
lua_newtable(L); /* [array, table<s,t>, table<s,s>] */
lua_pushnumber(L, 1); /* [1, array, table<s,t>, table<s,s>] */
lua_pushstring(L, value); /* [string, 1, array, table<s,t>, table<s,s>] */
lua_settable(L, -3); /* [array, table<s,t>, table<s,s>] */
lua_setfield(L, -2, key); /* [table<s,t>, table<s,s>] */
break;
}
case LUA_TTABLE:{
/* [array, table<s,t>, table<s,s>] */
int size = lua_objlen(L, -1);
lua_pushnumber(L, size + 1); /* [#, array, table<s,t>, table<s,s>] */
lua_pushstring(L, value); /* [string, #, array, table<s,t>, table<s,s>] */
lua_settable(L, -3); /* [array, table<s,t>, table<s,s>] */
lua_setfield(L, -2, key); /* [table<s,t>, table<s,s>] */
break;
}
}
/* L is [table<s,t>, table<s,s>] */
/* build simple */
lua_getfield(L, -2, key); /* [VALUE, table<s,s>, table<s,t>] */
if (lua_isnoneornil(L, -1)) { /* only set if not already set */
lua_pop(L, 1); /* [table<s,s>, table<s,t>]] */
lua_pushstring(L, value); /* [string, table<s,s>, table<s,t>] */
lua_setfield(L, -3, key); /* [table<s,s>, table<s,t>] */
}
else {
lua_pop(L, 1);
}
return 1;
}
/*
=======================================================================================================================
lua_read_body(request_rec *r, const char **rbuf, apr_off_t *size): Reads any additional form data sent in POST/PUT
requests. Used for multipart POST data.
=======================================================================================================================
*/
static int lua_read_body(request_rec *r, const char **rbuf, apr_off_t *size)
{
int rc = OK;
if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR))) {
return (rc);
}
if (ap_should_client_block(r)) {
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
char argsbuffer[HUGE_STRING_LEN];
apr_off_t rsize, len_read, rpos = 0;
apr_off_t length = r->remaining;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
*rbuf = (const char *) apr_pcalloc(r->pool, (apr_size_t) (length + 1));
*size = length;
while ((len_read = ap_get_client_block(r, argsbuffer, sizeof(argsbuffer))) > 0) {
if ((rpos + len_read) > length) {
rsize = length - rpos;
}
else {
rsize = len_read;
}
memcpy((char *) *rbuf + rpos, argsbuffer, (size_t) rsize);
rpos += rsize;
}
}
return (rc);
}
/*
* =======================================================================================================================
* lua_write_body: Reads any additional form data sent in POST/PUT requests
* and writes to a file.
* =======================================================================================================================
*/
static apr_status_t lua_write_body(request_rec *r, apr_file_t *file, apr_off_t *size)
{
apr_status_t rc = OK;
if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))
return rc;
if (ap_should_client_block(r)) {
char argsbuffer[HUGE_STRING_LEN];
apr_off_t rsize,
len_read,
rpos = 0;
apr_off_t length = r->remaining;
apr_size_t written;
*size = length;
while ((len_read =
ap_get_client_block(r, argsbuffer,
sizeof(argsbuffer))) > 0) {
if ((rpos + len_read) > length)
rsize = (apr_size_t) length - rpos;
else
rsize = len_read;
rc = apr_file_write_full(file, argsbuffer, (apr_size_t) rsize,
&written);
if (written != rsize || rc != OK)
return APR_ENOSPC;
rpos += rsize;
}
}
return rc;
}
/* r:parseargs() returning a lua table */
static int req_parseargs(lua_State *L)
{
apr_table_t *form_table;
request_rec *r = ap_lua_check_request_rec(L, 1);
lua_newtable(L);
lua_newtable(L); /* [table, table] */
ap_args_to_table(r, &form_table);
apr_table_do(req_aprtable2luatable_cb, L, form_table, NULL);
return 2; /* [table<string, string>, table<string, array<string>>] */
}
/* r:parsebody(): Parses regular (url-enocded) or multipart POST data and returns two tables*/
static int req_parsebody(lua_State *L)
{
apr_array_header_t *pairs;
apr_off_t len;
int res;
apr_size_t size;
apr_size_t max_post_size;
char *multipart;
const char *contentType;
request_rec *r = ap_lua_check_request_rec(L, 1);
max_post_size = (apr_size_t) luaL_optint(L, 2, MAX_STRING_LEN);
multipart = apr_pcalloc(r->pool, 256);
contentType = apr_table_get(r->headers_in, "Content-Type");
lua_newtable(L);
lua_newtable(L); /* [table, table] */
if (contentType != NULL && (sscanf(contentType, "multipart/form-data; boundary=%250c", multipart) == 1)) {
char *buffer, *key, *filename;
char *start = 0, *end = 0, *crlf = 0;
const char *data;
int i;
size_t vlen = 0;
size_t len = 0;
if (lua_read_body(r, &data, (apr_off_t*) &size) != OK) {
return 2;
}
len = strlen(multipart);
i = 0;
for
(
start = strstr((char *) data, multipart);
start != start + size;
start = end
) {
i++;
if (i == POST_MAX_VARS) break;
end = strstr((char *) (start + 1), multipart);
if (!end) end = start + size;
crlf = strstr((char *) start, "\r\n\r\n");
if (!crlf) break;
key = (char *) apr_pcalloc(r->pool, 256);
filename = (char *) apr_pcalloc(r->pool, 256);
vlen = end - crlf - 8;
buffer = (char *) apr_pcalloc(r->pool, vlen+1);
memcpy(buffer, crlf + 4, vlen);
sscanf(start + len + 2,
"Content-Disposition: form-data; name=\"%255[^\"]\"; filename=\"%255[^\"]\"",
key, filename);
if (strlen(key)) {
req_aprtable2luatable_cb(L, key, buffer);
}
}
}
else {
char *buffer;
res = ap_parse_form_data(r, NULL, &pairs, -1, max_post_size);
if (res == OK) {
while(pairs && !apr_is_empty_array(pairs)) {
ap_form_pair_t *pair = (ap_form_pair_t *) apr_array_pop(pairs);
apr_brigade_length(pair->value, 1, &len);
size = (apr_size_t) len;
buffer = apr_palloc(r->pool, size + 1);
apr_brigade_flatten(pair->value, buffer, &size);
buffer[len] = 0;
req_aprtable2luatable_cb(L, pair->name, buffer);
}
}
}
return 2; /* [table<string, string>, table<string, array<string>>] */
}
/*
* lua_ap_requestbody; r:requestbody([filename]) - Reads or stores the request
* body
*/
static int lua_ap_requestbody(lua_State *L)
{
const char *filename;
request_rec *r;
apr_off_t maxSize;
r = ap_lua_check_request_rec(L, 1);
filename = luaL_optstring(L, 2, 0);
maxSize = luaL_optint(L, 3, 0);
if (r) {
apr_off_t size;
if (maxSize > 0 && r->remaining > maxSize) {
lua_pushnil(L);
lua_pushliteral(L, "Request body was larger than the permitted size.");
return 2;
}
if (r->method_number != M_POST && r->method_number != M_PUT)
return (0);
if (!filename) {
const char *data;
if (lua_read_body(r, &data, &size) != OK)
return (0);
lua_pushlstring(L, data, (size_t) size);
lua_pushinteger(L, (lua_Integer) size);
return (2);
} else {
apr_status_t rc;
apr_file_t *file;
rc = apr_file_open(&file, filename, APR_CREATE | APR_FOPEN_WRITE,
APR_FPROT_OS_DEFAULT, r->pool);
lua_settop(L, 0);
if (rc == APR_SUCCESS) {
rc = lua_write_body(r, file, &size);
apr_file_close(file);
if (rc != OK) {
lua_pushboolean(L, 0);
return 1;
}
lua_pushinteger(L, (lua_Integer) size);
return (1);
} else
lua_pushboolean(L, 0);
return (1);
}
}
return (0);
}
/* wrap ap_rputs as r:puts(String) */
static int req_puts(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
int argc = lua_gettop(L);
int i;
for (i = 2; i <= argc; i++) {
ap_rputs(luaL_checkstring(L, i), r);
}
return 0;
}
/* wrap ap_rwrite as r:write(String) */
static int req_write(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
size_t n;
int rv;
const char *buf = luaL_checklstring(L, 2, &n);
rv = ap_rwrite((void *) buf, n, r);
lua_pushinteger(L, rv);
return 1;
}
/* r:addoutputfilter(name|function) */
static int req_add_output_filter(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
const char *name = luaL_checkstring(L, 2);
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01485) "adding output filter %s",
name);
ap_add_output_filter(name, L, r, r->connection);
return 0;
}
/* wrap ap_construct_url as r:construct_url(String) */
static int req_construct_url(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
const char *name = luaL_checkstring(L, 2);
lua_pushstring(L, ap_construct_url(r->pool, name, r));
return 1;
}
/* wrap ap_escape_html r:escape_html(String) */
static int req_escape_html(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
const char *s = luaL_checkstring(L, 2);
lua_pushstring(L, ap_escape_html(r->pool, s));
return 1;
}
/* wrap optional ssl_var_lookup as r:ssl_var_lookup(String) */
static int req_ssl_var_lookup(lua_State *L)
{
request_rec *r = ap_lua_check_request_rec(L, 1);
const char *s = luaL_checkstring(L, 2);
const char *res = ap_lua_ssl_val(r->pool, r->server, r->connection, r,
(char *)s);
lua_pushstring(L, res);
return 1;
}
/* BEGIN dispatch mathods for request_rec fields */
/* not really a field, but we treat it like one */
static const char *req_document_root(request_rec *r)
{
return ap_document_root(r);
}
static const char *req_context_prefix(request_rec *r)
{
return ap_context_prefix(r);
}
static const char *req_context_document_root(request_rec *r)
{
return ap_context_document_root(r);
}
static char *req_uri_field(request_rec *r)
{
return r->uri;
}
static const char *req_method_field(request_rec *r)
{
return r->method;
}
static const char *req_handler_field(request_rec *r)
{
return r->handler;
}
static const char *req_proxyreq_field(request_rec *r)
{
switch (r->proxyreq) {
case PROXYREQ_NONE: return "PROXYREQ_NONE";
case PROXYREQ_PROXY: return "PROXYREQ_PROXY";
case PROXYREQ_REVERSE: return "PROXYREQ_REVERSE";
case PROXYREQ_RESPONSE: return "PROXYREQ_RESPONSE";
default: return NULL;
}
}
static const char *req_hostname_field(request_rec *r)
{
return r->hostname;
}
static const char *req_args_field(request_rec *r)
{
return r->args;
}
static const char *req_path_info_field(request_rec *r)
{
return r->path_info;
}
static const char *req_canonical_filename_field(request_rec *r)
{
return r->canonical_filename;
}
static const char *req_filename_field(request_rec *r)
{
return r->filename;
}
static const char *req_user_field(request_rec *r)
{
return r->user;
}
static const char *req_unparsed_uri_field(request_rec *r)
{
return r->unparsed_uri;
}
static const char *req_ap_auth_type_field(request_rec *r)
{
return r->ap_auth_type;
}
static const char *req_content_encoding_field(request_rec *r)
{
return r->content_encoding;
}
static const char *req_content_type_field(request_rec *r)
{
return r->content_type;
}
static const char *req_range_field(request_rec *r)
{
return r->range;
}
static const char *req_protocol_field(request_rec *r)
{
return r->protocol;
}
static const char *req_the_request_field(request_rec *r)
{
return r->the_request;
}
static const char *req_log_id_field(request_rec *r)
{
return r->log_id;
}
static const char *req_useragent_ip_field(request_rec *r)
{
return r->useragent_ip;
}
static int req_remaining_field(request_rec *r)
{
return r->remaining;
}
static int req_status_field(request_rec *r)
{
return r->status;
}
static int req_assbackwards_field(request_rec *r)
{
return r->assbackwards;
}
static apr_table_t* req_headers_in(request_rec *r)
{
return r->headers_in;
}
static apr_table_t* req_headers_out(request_rec *r)
{
return r->headers_out;
}
static apr_table_t* req_err_headers_out(request_rec *r)
{
return r->err_headers_out;
}
static apr_table_t* req_subprocess_env(request_rec *r)
{
return r->subprocess_env;
}
static apr_table_t* req_notes(request_rec *r)
{
return r->notes;
}
static int req_ssl_is_https_field(request_rec *r)
{
return ap_lua_ssl_is_https(r->connection);
}
static int lua_ap_rflush (lua_State *L) {
int returnValue;
request_rec *r;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
returnValue = ap_rflush(r);
lua_pushboolean(L, (returnValue == 0));
return 1;
}
static int lua_ap_port(request_rec* r)
{
return (int) ap_get_server_port(r);
}
static const char* lua_ap_options(request_rec* r)
{
int opts;
opts = ap_allow_options(r);
return apr_psprintf(r->pool, "%s %s %s %s %s %s", (opts&OPT_INDEXES) ? "Indexes" : "", (opts&OPT_INCLUDES) ? "Includes" : "", (opts&OPT_SYM_LINKS) ? "FollowSymLinks" : "", (opts&OPT_EXECCGI) ? "ExecCGI" : "", (opts&OPT_MULTI) ? "MultiViews" : "", (opts&OPT_ALL) == OPT_ALL ? "All" : "" );
}
static const char* lua_ap_allowoverrides(request_rec* r)
{
int opts;
opts = ap_allow_overrides(r);
return apr_psprintf(r->pool, "%s %s %s %s %s %s", (opts&OR_NONE) ? "None" : "", (opts&OR_LIMIT) ? "Limit" : "", (opts&OR_OPTIONS) ? "Options" : "", (opts&OR_FILEINFO) ? "FileInfo" : "", (opts&OR_AUTHCFG) ? "AuthCfg" : "", (opts&OR_INDEXES) ? "Indexes" : "" );
}
static int lua_ap_started(request_rec* r)
{
return ap_scoreboard_image->global->restart_time;
}
static const char* lua_ap_basic_auth_pw(request_rec* r)
{
const char* pw = NULL;
ap_get_basic_auth_pw(r, &pw);
return pw ? pw : "";
}
static int lua_ap_limit_req_body(request_rec* r)
{
return (int) ap_get_limit_req_body(r);
}
static int lua_ap_is_initial_req(request_rec *r)
{
return ap_is_initial_req(r);
}
static int lua_ap_some_auth_required(request_rec *r)
{
return ap_some_auth_required(r);
}
static int lua_ap_sendfile(lua_State *L)
{
apr_finfo_t file_info;
const char *filename;
request_rec *r;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
filename = lua_tostring(L, 2);
apr_stat(&file_info, filename, APR_FINFO_NORM, r->pool);
if (file_info.filetype == APR_NOFILE || file_info.filetype == APR_DIR) {
lua_pushboolean(L, 0);
}
else {
apr_size_t sent;
apr_status_t rc;
apr_file_t *file;
rc = apr_file_open(&file, filename, APR_READ, APR_OS_DEFAULT,
r->pool);
if (rc == APR_SUCCESS) {
ap_send_fd(file, r, 0, file_info.size, &sent);
apr_file_close(file);
lua_pushinteger(L, sent);
}
else {
lua_pushboolean(L, 0);
}
}
return (1);
}
/*
* lua_apr_b64encode; r:encode_base64(string) - encodes a string to Base64
* format
*/
static int lua_apr_b64encode(lua_State *L)
{
const char *plain;
char *encoded;
size_t plain_len, encoded_len;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
plain = lua_tolstring(L, 2, &plain_len);
encoded_len = apr_base64_encode_len(plain_len) + 1;
if (encoded_len) {
encoded = apr_palloc(r->pool, encoded_len);
apr_base64_encode(encoded, plain, plain_len);
lua_pushlstring(L, encoded, encoded_len);
return 1;
}
return 0;
}
/*
* lua_apr_b64decode; r:decode_base64(string) - decodes a Base64 string
*/
static int lua_apr_b64decode(lua_State *L)
{
const char *encoded;
char *plain;
size_t encoded_len, decoded_len;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
encoded = lua_tolstring(L, 2, &encoded_len);
decoded_len = apr_base64_decode_len(encoded) + 1;
if (decoded_len) {
plain = apr_palloc(r->pool, decoded_len);
apr_base64_decode(plain, encoded);
lua_pushlstring(L, plain, decoded_len);
return 1;
}
return 0;
}
/*
* lua_ap_unescape; r:unescape(string) - Unescapes an URL-encoded string
*/
static int lua_ap_unescape(lua_State *L)
{
const char *escaped;
char *plain;
size_t x,
y;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
escaped = lua_tolstring(L, 2, &x);
plain = apr_pstrdup(r->pool, escaped);
y = ap_unescape_urlencoded(plain);
if (!y) {
lua_pushstring(L, plain);
return 1;
}
return 0;
}
/*
* lua_ap_escape; r:escape(string) - URL-escapes a string
*/
static int lua_ap_escape(lua_State *L)
{
const char *plain;
char *escaped;
size_t x;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
plain = lua_tolstring(L, 2, &x);
escaped = ap_escape_urlencoded(r->pool, plain);
lua_pushstring(L, escaped);
return 1;
}
/*
* lua_apr_md5; r:md5(string) - Calculates an MD5 digest of a string
*/
static int lua_apr_md5(lua_State *L)
{
const char *buffer;
char *result;
size_t len;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
buffer = lua_tolstring(L, 2, &len);
result = ap_md5_binary(r->pool, (const unsigned char *)buffer, len);
lua_pushstring(L, result);
return 1;
}
/*
* lua_apr_sha1; r:sha1(string) - Calculates the SHA1 digest of a string
*/
static int lua_apr_sha1(lua_State *L)
{
unsigned char digest[APR_SHA1_DIGESTSIZE];
apr_sha1_ctx_t sha1;
const char *buffer;
char *result;
size_t len;
request_rec *r;
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
result = apr_pcalloc(r->pool, sizeof(digest) * 2 + 1);
buffer = lua_tolstring(L, 2, &len);
apr_sha1_init(&sha1);
apr_sha1_update(&sha1, buffer, len);
apr_sha1_final(digest, &sha1);
ap_bin2hex(digest, sizeof(digest), result);
lua_pushstring(L, result);
return 1;
}
/*
* lua_ap_banner; r:banner() - Returns the current server banner
*/
static int lua_ap_banner(lua_State *L)
{
lua_pushstring(L, ap_get_server_banner());
return 1;
}
/*
* lua_ap_mpm_query; r:mpm_query(info) - Queries for MPM info
*/
static int lua_ap_mpm_query(lua_State *L)
{
int x,
y;
x = lua_tonumber(L, 1);
ap_mpm_query(x, &y);
lua_pushnumber(L, y);
return 1;
}
/*
* lua_ap_expr; r:expr(string) - Evaluates an expr statement.
*/
static int lua_ap_expr(lua_State *L)
{
request_rec *r;
int x = 0;
const char *expr,
*err;
ap_expr_info_t res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
expr = lua_tostring(L, 2);
res.filename = NULL;
res.flags = 0;
res.line_number = 0;
res.module_index = APLOG_MODULE_INDEX;
err = ap_expr_parse(r->pool, r->pool, &res, expr, NULL);
if (!err) {
x = ap_expr_exec(r, &res, &err);
lua_pushboolean(L, x);
if (x < 0) {
lua_pushstring(L, err);
return 2;
}
return 1;
} else {
lua_pushboolean(L, 0);
lua_pushstring(L, err);
return 2;
}
lua_pushboolean(L, 0);
return 1;
}
/*
* lua_ap_regex; r:regex(string, pattern) - Evaluates a regex and returns
* captures if matched
*/
static int lua_ap_regex(lua_State *L)
{
request_rec *r;
int i,
rv;
const char *pattern,
*source;
char *err;
ap_regex_t regex;
ap_regmatch_t matches[AP_MAX_REG_MATCH+1];
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
luaL_checktype(L, 3, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
pattern = lua_tostring(L, 2);
source = lua_tostring(L, 3);
rv = ap_regcomp(&regex, pattern, 0);
if (rv) {
lua_pushboolean(L, 0);
err = apr_palloc(r->pool, 256);
ap_regerror(rv, &regex, err, 256);
lua_pushstring(L, err);
return 2;
}
rv = ap_regexec(&regex, source, AP_MAX_REG_MATCH, matches, 0);
if (rv == AP_REG_NOMATCH) {
lua_pushboolean(L, 0);
return 1;
}
lua_newtable(L);
for (i = 0; i <= regex.re_nsub; i++) {
lua_pushinteger(L, i);
if (matches[i].rm_so >= 0 && matches[i].rm_eo >= 0)
lua_pushstring(L,
apr_pstrndup(r->pool, source + matches[i].rm_so,
matches[i].rm_eo - matches[i].rm_so));
else
lua_pushnil(L);
lua_settable(L, -3);
}
return 1;
}
/*
* lua_ap_scoreboard_process; r:scoreboard_process(a) - returns scoreboard info
*/
static int lua_ap_scoreboard_process(lua_State *L)
{
int i;
process_score *ps_record;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
i = lua_tonumber(L, 2);
ps_record = ap_get_scoreboard_process(i);
if (ps_record) {
lua_newtable(L);
lua_pushstring(L, "connections");
lua_pushnumber(L, ps_record->connections);
lua_settable(L, -3);
lua_pushstring(L, "keepalive");
lua_pushnumber(L, ps_record->keep_alive);
lua_settable(L, -3);
lua_pushstring(L, "lingering_close");
lua_pushnumber(L, ps_record->lingering_close);
lua_settable(L, -3);
lua_pushstring(L, "pid");
lua_pushnumber(L, ps_record->pid);
lua_settable(L, -3);
lua_pushstring(L, "suspended");
lua_pushnumber(L, ps_record->suspended);
lua_settable(L, -3);
lua_pushstring(L, "write_completion");
lua_pushnumber(L, ps_record->write_completion);
lua_settable(L, -3);
lua_pushstring(L, "not_accepting");
lua_pushnumber(L, ps_record->not_accepting);
lua_settable(L, -3);
lua_pushstring(L, "quiescing");
lua_pushnumber(L, ps_record->quiescing);
lua_settable(L, -3);
return 1;
}
return 0;
}
/*
* lua_ap_scoreboard_worker; r:scoreboard_worker(proc, thread) - Returns thread
* info
*/
static int lua_ap_scoreboard_worker(lua_State *L)
{
int i,
j;
worker_score *ws_record;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
i = lua_tonumber(L, 2);
j = lua_tonumber(L, 3);
ws_record = ap_get_scoreboard_worker_from_indexes(i, j);
if (ws_record) {
lua_newtable(L);
lua_pushstring(L, "access_count");
lua_pushnumber(L, ws_record->access_count);
lua_settable(L, -3);
lua_pushstring(L, "bytes_served");
lua_pushnumber(L, ws_record->bytes_served);
lua_settable(L, -3);
lua_pushstring(L, "client");
lua_pushstring(L, ws_record->client);
lua_settable(L, -3);
lua_pushstring(L, "conn_bytes");
lua_pushnumber(L, ws_record->conn_bytes);
lua_settable(L, -3);
lua_pushstring(L, "conn_count");
lua_pushnumber(L, ws_record->conn_count);
lua_settable(L, -3);
lua_pushstring(L, "generation");
lua_pushnumber(L, ws_record->generation);
lua_settable(L, -3);
lua_pushstring(L, "last_used");
lua_pushnumber(L, ws_record->last_used);
lua_settable(L, -3);
lua_pushstring(L, "pid");
lua_pushnumber(L, ws_record->pid);
lua_settable(L, -3);
lua_pushstring(L, "request");
lua_pushstring(L, ws_record->request);
lua_settable(L, -3);
lua_pushstring(L, "start_time");
lua_pushnumber(L, ws_record->start_time);
lua_settable(L, -3);
lua_pushstring(L, "status");
lua_pushnumber(L, ws_record->status);
lua_settable(L, -3);
lua_pushstring(L, "stop_time");
lua_pushnumber(L, ws_record->stop_time);
lua_settable(L, -3);
lua_pushstring(L, "tid");
lua_pushinteger(L, (lua_Integer) ws_record->tid);
lua_settable(L, -3);
lua_pushstring(L, "vhost");
lua_pushstring(L, ws_record->vhost);
lua_settable(L, -3);
#ifdef HAVE_TIMES
lua_pushstring(L, "stimes");
lua_pushnumber(L, ws_record->times.tms_stime);
lua_settable(L, -3);
lua_pushstring(L, "utimes");
lua_pushnumber(L, ws_record->times.tms_utime);
lua_settable(L, -3);
#endif
return 1;
}
return 0;
}
/*
* lua_ap_restarted; r:started() - Returns the timestamp of last server
* (re)start
*/
static int lua_ap_restarted(lua_State *L)
{
lua_pushnumber(L, ap_scoreboard_image->global->restart_time);
return 1;
}
/*
* lua_ap_clock; r:clock() - Returns timestamp with microsecond precision
*/
static int lua_ap_clock(lua_State *L)
{
apr_time_t now;
now = apr_time_now();
lua_pushnumber(L, now);
return 1;
}
/*
* lua_ap_add_input_filter; r:add_input_filter(name) - Adds an input filter to
* the chain
*/
static int lua_ap_add_input_filter(lua_State *L)
{
request_rec *r;
const char *filterName;
ap_filter_rec_t *filter;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
filterName = lua_tostring(L, 2);
filter = ap_get_input_filter_handle(filterName);
if (filter) {
ap_add_input_filter_handle(filter, NULL, r, r->connection);
lua_pushboolean(L, 1);
} else
lua_pushboolean(L, 0);
return 1;
}
/*
* lua_ap_module_info; r:module_info(mod_name) - Returns information about a
* loaded module
*/
static int lua_ap_module_info(lua_State *L)
{
const char *moduleName;
module *mod;
luaL_checktype(L, 1, LUA_TSTRING);
moduleName = lua_tostring(L, 1);
mod = ap_find_linked_module(moduleName);
if (mod) {
const command_rec *cmd;
lua_newtable(L);
lua_pushstring(L, "commands");
lua_newtable(L);
for (cmd = mod->cmds; cmd->name; ++cmd) {
lua_pushstring(L, cmd->name);
lua_pushstring(L, cmd->errmsg);
lua_settable(L, -3);
}
lua_settable(L, -3);
return 1;
}
return 0;
}
/*
* lua_ap_runtime_dir_relative: r:runtime_dir_relative(file): Returns the
* filename as relative to the runtime dir
*/
static int lua_ap_runtime_dir_relative(lua_State *L)
{
request_rec *r;
const char *file;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
file = luaL_optstring(L, 2, ".");
lua_pushstring(L, ap_runtime_dir_relative(r->pool, file));
return 1;
}
/*
* lua_ap_set_document_root; r:set_document_root(path) - sets the current doc
* root for the request
*/
static int lua_ap_set_document_root(lua_State *L)
{
request_rec *r;
const char *root;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
root = lua_tostring(L, 2);
ap_set_document_root(r, root);
return 0;
}
/*
* lua_ap_stat; r:stat(filename) - Runs stat on a file and returns the file
* info as a table
*/
static int lua_ap_stat(lua_State *L)
{
request_rec *r;
const char *filename;
apr_finfo_t file_info;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
r = ap_lua_check_request_rec(L, 1);
filename = lua_tostring(L, 2);
if (apr_stat(&file_info, filename, APR_FINFO_NORM, r->pool) == OK) {
lua_newtable(L);
lua_pushstring(L, "mtime");
lua_pushinteger(L, file_info.mtime);
lua_settable(L, -3);
lua_pushstring(L, "atime");
lua_pushinteger(L, file_info.atime);
lua_settable(L, -3);
lua_pushstring(L, "ctime");
lua_pushinteger(L, file_info.ctime);
lua_settable(L, -3);
lua_pushstring(L, "size");
lua_pushinteger(L, file_info.size);
lua_settable(L, -3);
lua_pushstring(L, "filetype");
lua_pushinteger(L, file_info.filetype);
lua_settable(L, -3);
return 1;
}
else {
return 0;
}
}
/*
* lua_ap_loaded_modules; r:loaded_modules() - Returns a list of loaded modules
*/
static int lua_ap_loaded_modules(lua_State *L)
{
int i;
lua_newtable(L);
for (i = 0; ap_loaded_modules[i] && ap_loaded_modules[i]->name; i++) {
lua_pushinteger(L, i + 1);
lua_pushstring(L, ap_loaded_modules[i]->name);
lua_settable(L, -3);
}
return 1;
}
/*
* lua_ap_server_info; r:server_info() - Returns server info, such as the
* executable filename, server root, mpm etc
*/
static int lua_ap_server_info(lua_State *L)
{
lua_newtable(L);
lua_pushstring(L, "server_executable");
lua_pushstring(L, ap_server_argv0);
lua_settable(L, -3);
lua_pushstring(L, "server_root");
lua_pushstring(L, ap_server_root);
lua_settable(L, -3);
lua_pushstring(L, "scoreboard_fname");
lua_pushstring(L, ap_scoreboard_fname);
lua_settable(L, -3);
lua_pushstring(L, "server_mpm");
lua_pushstring(L, ap_show_mpm());
lua_settable(L, -3);
return 1;
}
/*
* === Auto-scraped functions ===
*/
/**
* ap_set_context_info: Set context_prefix and context_document_root.
* @param r The request
* @param prefix the URI prefix, without trailing slash
* @param document_root the corresponding directory on disk, without trailing
* slash
* @note If one of prefix of document_root is NULL, the corrsponding
* property will not be changed.
*/
static int lua_ap_set_context_info(lua_State *L)
{
request_rec *r;
const char *prefix;
const char *document_root;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
prefix = lua_tostring(L, 2);
luaL_checktype(L, 3, LUA_TSTRING);
document_root = lua_tostring(L, 3);
ap_set_context_info(r, prefix, document_root);
return 0;
}
/**
* ap_os_escape_path (apr_pool_t *p, const char *path, int partial)
* convert an OS path to a URL in an OS dependant way.
* @param p The pool to allocate from
* @param path The path to convert
* @param partial if set, assume that the path will be appended to something
* with a '/' in it (and thus does not prefix "./")
* @return The converted URL
*/
static int lua_ap_os_escape_path(lua_State *L)
{
char *returnValue;
request_rec *r;
const char *path;
int partial = 0;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
path = lua_tostring(L, 2);
if (lua_isboolean(L, 3))
partial = lua_toboolean(L, 3);
returnValue = ap_os_escape_path(r->pool, path, partial);
lua_pushstring(L, returnValue);
return 1;
}
/**
* ap_escape_logitem (apr_pool_t *p, const char *str)
* Escape a string for logging
* @param p The pool to allocate from
* @param str The string to escape
* @return The escaped string
*/
static int lua_ap_escape_logitem(lua_State *L)
{
char *returnValue;
request_rec *r;
const char *str;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
str = lua_tostring(L, 2);
returnValue = ap_escape_logitem(r->pool, str);
lua_pushstring(L, returnValue);
return 1;
}
/**
* ap_strcmp_match (const char *str, const char *expected)
* Determine if a string matches a patterm containing the wildcards '?' or '*'
* @param str The string to check
* @param expected The pattern to match against
* @param ignoreCase Whether to ignore case when matching
* @return 1 if the two strings match, 0 otherwise
*/
static int lua_ap_strcmp_match(lua_State *L)
{
int returnValue;
const char *str;
const char *expected;
int ignoreCase = 0;
luaL_checktype(L, 1, LUA_TSTRING);
str = lua_tostring(L, 1);
luaL_checktype(L, 2, LUA_TSTRING);
expected = lua_tostring(L, 2);
if (lua_isboolean(L, 3))
ignoreCase = lua_toboolean(L, 3);
if (!ignoreCase)
returnValue = ap_strcmp_match(str, expected);
else
returnValue = ap_strcasecmp_match(str, expected);
lua_pushboolean(L, (!returnValue));
return 1;
}
/**
* ap_set_keepalive (request_rec *r)
* Set the keepalive status for this request
* @param r The current request
* @return 1 if keepalive can be set, 0 otherwise
*/
static int lua_ap_set_keepalive(lua_State *L)
{
int returnValue;
request_rec *r;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
returnValue = ap_set_keepalive(r);
lua_pushboolean(L, returnValue);
return 1;
}
/**
* ap_make_etag (request_rec *r, int force_weak)
* Construct an entity tag from the resource information. If it's a real
* file, build in some of the file characteristics.
* @param r The current request
* @param force_weak Force the entity tag to be weak - it could be modified
* again in as short an interval.
* @return The entity tag
*/
static int lua_ap_make_etag(lua_State *L)
{
char *returnValue;
request_rec *r;
int force_weak;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TBOOLEAN);
force_weak = luaL_optint(L, 2, 0);
returnValue = ap_make_etag(r, force_weak);
lua_pushstring(L, returnValue);
return 1;
}
/**
* ap_send_interim_response (request_rec *r, int send_headers)
* Send an interim (HTTP 1xx) response immediately.
* @param r The request
* @param send_headers Whether to send&clear headers in r->headers_out
*/
static int lua_ap_send_interim_response(lua_State *L)
{
request_rec *r;
int send_headers = 0;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
if (lua_isboolean(L, 2))
send_headers = lua_toboolean(L, 2);
ap_send_interim_response(r, send_headers);
return 0;
}
/**
* ap_custom_response (request_rec *r, int status, const char *string)
* Install a custom response handler for a given status
* @param r The current request
* @param status The status for which the custom response should be used
* @param string The custom response. This can be a static string, a file
* or a URL
*/
static int lua_ap_custom_response(lua_State *L)
{
request_rec *r;
int status;
const char *string;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
luaL_checktype(L, 2, LUA_TNUMBER);
status = lua_tointeger(L, 2);
luaL_checktype(L, 3, LUA_TSTRING);
string = lua_tostring(L, 3);
ap_custom_response(r, status, string);
return 0;
}
/**
* ap_exists_config_define (const char *name)
* Check for a definition from the server command line
* @param name The define to check for
* @return 1 if defined, 0 otherwise
*/
static int lua_ap_exists_config_define(lua_State *L)
{
int returnValue;
const char *name;
luaL_checktype(L, 1, LUA_TSTRING);
name = lua_tostring(L, 1);
returnValue = ap_exists_config_define(name);
lua_pushinteger(L, returnValue);
return 1;
}
static int lua_ap_get_server_name_for_url(lua_State *L)
{
const char *servername;
request_rec *r;
luaL_checktype(L, 1, LUA_TUSERDATA);
r = ap_lua_check_request_rec(L, 1);
servername = ap_get_server_name_for_url(r);
lua_pushstring(L, servername);
return 1;
}
/**
* ap_state_query (int query_code) item starts a new field */
static int lua_ap_state_query(lua_State *L)
{
int returnValue;
int query_code;
luaL_checktype(L, 1, LUA_TNUMBER);
query_code = lua_tointeger(L, 1);
returnValue = ap_state_query(query_code);
lua_pushinteger(L, returnValue);
return 1;
}
static int lua_ap_sleep(lua_State *L)
{
int msec;
luaL_checktype(L, 1, LUA_TNUMBER);
msec = (lua_tonumber(L, 1) * 1000000);
apr_sleep(msec);
return 0;
}
/* END dispatch methods for request_rec fields */
static int req_dispatch(lua_State *L)
{
apr_hash_t *dispatch;
req_fun_t *rft;
request_rec *r = ap_lua_check_request_rec(L, 1);
const char *name = luaL_checkstring(L, 2);
lua_pop(L, 2);
lua_getfield(L, LUA_REGISTRYINDEX, "Apache2.Request.dispatch");
dispatch = lua_touserdata(L, 1);
lua_pop(L, 1);
rft = apr_hash_get(dispatch, name, APR_HASH_KEY_STRING);
if (rft) {
switch (rft->type) {
case APL_REQ_FUNTYPE_TABLE:{
apr_table_t *rs;
req_field_apr_table_f func = (req_field_apr_table_f)rft->fun;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01486)
"request_rec->dispatching %s -> apr table",
name);
rs = (*func)(r);
ap_lua_push_apr_table(L, rs);
return 1;
}
case APL_REQ_FUNTYPE_LUACFUN:{
lua_CFunction func = (lua_CFunction)rft->fun;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01487)
"request_rec->dispatching %s -> lua_CFunction",
name);
lua_pushcfunction(L, func);
return 1;
}
case APL_REQ_FUNTYPE_STRING:{
req_field_string_f func = (req_field_string_f)rft->fun;
char *rs;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01488)
"request_rec->dispatching %s -> string", name);
rs = (*func) (r);
lua_pushstring(L, rs);
return 1;
}
case APL_REQ_FUNTYPE_INT:{
req_field_int_f func = (req_field_int_f)rft->fun;
int rs;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01489)
"request_rec->dispatching %s -> int", name);
rs = (*func) (r);
lua_pushnumber(L, rs);
return 1;
}
case APL_REQ_FUNTYPE_BOOLEAN:{
req_field_int_f func = (req_field_int_f)rft->fun;
int rs;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01490)
"request_rec->dispatching %s -> boolean", name);
rs = (*func) (r);
lua_pushboolean(L, rs);
return 1;
}
}
}
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01491) "nothing for %s", name);
return 0;
}
/* helper function for the logging functions below */
static int req_log_at(lua_State *L, int level)
{
const char *msg;
request_rec *r = ap_lua_check_request_rec(L, 1);
lua_Debug dbg;
lua_getstack(L, 1, &dbg);
lua_getinfo(L, "Sl", &dbg);
msg = luaL_checkstring(L, 2);
ap_log_rerror(dbg.source, dbg.currentline, APLOG_MODULE_INDEX, level, 0,
r, "%s", msg);
return 0;
}
/* r:debug(String) and friends which use apache logging */
static int req_emerg(lua_State *L)
{
return req_log_at(L, APLOG_EMERG);
}
static int req_alert(lua_State *L)
{
return req_log_at(L, APLOG_ALERT);
}
static int req_crit(lua_State *L)
{
return req_log_at(L, APLOG_CRIT);
}
static int req_err(lua_State *L)
{
return req_log_at(L, APLOG_ERR);
}
static int req_warn(lua_State *L)
{
return req_log_at(L, APLOG_WARNING);
}
static int req_notice(lua_State *L)
{
return req_log_at(L, APLOG_NOTICE);
}
static int req_info(lua_State *L)
{
return req_log_at(L, APLOG_INFO);
}
static int req_debug(lua_State *L)
{
return req_log_at(L, APLOG_DEBUG);
}
#define APLUA_REQ_TRACE(lev) static int req_trace##lev(lua_State *L) \
{ \
return req_log_at(L, APLOG_TRACE##lev); \
}
APLUA_REQ_TRACE(1)
APLUA_REQ_TRACE(2)
APLUA_REQ_TRACE(3)
APLUA_REQ_TRACE(4)
APLUA_REQ_TRACE(5)
APLUA_REQ_TRACE(6)
APLUA_REQ_TRACE(7)
APLUA_REQ_TRACE(8)
/* handle r.status = 201 */
static int req_newindex(lua_State *L)
{
const char *key;
/* request_rec* r = lua_touserdata(L, lua_upvalueindex(1)); */
/* const char* key = luaL_checkstring(L, -2); */
request_rec *r = ap_lua_check_request_rec(L, 1);
key = luaL_checkstring(L, 2);
if (0 == strcmp("args", key)) {
const char *value = luaL_checkstring(L, 3);
r->args = apr_pstrdup(r->pool, value);
return 0;
}
if (0 == strcmp("content_type", key)) {
const char *value = luaL_checkstring(L, 3);
ap_set_content_type(r, apr_pstrdup(r->pool, value));
return 0;
}
if (0 == strcmp("filename", key)) {
const char *value = luaL_checkstring(L, 3);
r->filename = apr_pstrdup(r->pool, value);
return 0;
}
if (0 == strcmp("handler", key)) {
const char *value = luaL_checkstring(L, 3);
r->handler = apr_pstrdup(r->pool, value);
return 0;
}
if (0 == strcmp("proxyreq", key)) {
int value = luaL_checkinteger(L, 3);
r->proxyreq = value;
return 0;
}
if (0 == strcmp("status", key)) {
int code = luaL_checkinteger(L, 3);
r->status = code;
return 0;
}
if (0 == strcmp("uri", key)) {
const char *value = luaL_checkstring(L, 3);
r->uri = apr_pstrdup(r->pool, value);
return 0;
}
if (0 == strcmp("user", key)) {
const char *value = luaL_checkstring(L, 3);
r->user = apr_pstrdup(r->pool, value);
return 0;
}
lua_pushstring(L,
apr_psprintf(r->pool,
"Property [%s] may not be set on a request_rec",
key));
lua_error(L);
return 0;
}
static const struct luaL_Reg request_methods[] = {
{"__index", req_dispatch},
{"__newindex", req_newindex},
/* {"__newindex", req_set_field}, */
{NULL, NULL}
};
static const struct luaL_Reg connection_methods[] = {
{NULL, NULL}
};
static const struct luaL_Reg server_methods[] = {
{NULL, NULL}
};
static req_fun_t *makefun(const void *fun, int type, apr_pool_t *pool)
{
req_fun_t *rft = apr_palloc(pool, sizeof(req_fun_t));
rft->fun = fun;
rft->type = type;
return rft;
}
AP_LUA_DECLARE(void) ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p)
{
apr_hash_t *dispatch = apr_hash_make(p);
apr_hash_set(dispatch, "puts", APR_HASH_KEY_STRING,
makefun(&req_puts, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "write", APR_HASH_KEY_STRING,
makefun(&req_write, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "document_root", APR_HASH_KEY_STRING,
makefun(&req_document_root, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "context_prefix", APR_HASH_KEY_STRING,
makefun(&req_context_prefix, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "context_document_root", APR_HASH_KEY_STRING,
makefun(&req_context_document_root, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "parseargs", APR_HASH_KEY_STRING,
makefun(&req_parseargs, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "parsebody", APR_HASH_KEY_STRING,
makefun(&req_parsebody, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "debug", APR_HASH_KEY_STRING,
makefun(&req_debug, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "info", APR_HASH_KEY_STRING,
makefun(&req_info, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "notice", APR_HASH_KEY_STRING,
makefun(&req_notice, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "warn", APR_HASH_KEY_STRING,
makefun(&req_warn, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "err", APR_HASH_KEY_STRING,
makefun(&req_err, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "crit", APR_HASH_KEY_STRING,
makefun(&req_crit, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "alert", APR_HASH_KEY_STRING,
makefun(&req_alert, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "emerg", APR_HASH_KEY_STRING,
makefun(&req_emerg, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace1", APR_HASH_KEY_STRING,
makefun(&req_trace1, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace2", APR_HASH_KEY_STRING,
makefun(&req_trace2, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace3", APR_HASH_KEY_STRING,
makefun(&req_trace3, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace4", APR_HASH_KEY_STRING,
makefun(&req_trace4, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace5", APR_HASH_KEY_STRING,
makefun(&req_trace5, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace6", APR_HASH_KEY_STRING,
makefun(&req_trace6, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace7", APR_HASH_KEY_STRING,
makefun(&req_trace7, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "trace8", APR_HASH_KEY_STRING,
makefun(&req_trace8, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "add_output_filter", APR_HASH_KEY_STRING,
makefun(&req_add_output_filter, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "construct_url", APR_HASH_KEY_STRING,
makefun(&req_construct_url, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "escape_html", APR_HASH_KEY_STRING,
makefun(&req_escape_html, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "ssl_var_lookup", APR_HASH_KEY_STRING,
makefun(&req_ssl_var_lookup, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "is_https", APR_HASH_KEY_STRING,
makefun(&req_ssl_is_https_field, APL_REQ_FUNTYPE_BOOLEAN, p));
apr_hash_set(dispatch, "assbackwards", APR_HASH_KEY_STRING,
makefun(&req_assbackwards_field, APL_REQ_FUNTYPE_BOOLEAN, p));
apr_hash_set(dispatch, "status", APR_HASH_KEY_STRING,
makefun(&req_status_field, APL_REQ_FUNTYPE_INT, p));
apr_hash_set(dispatch, "protocol", APR_HASH_KEY_STRING,
makefun(&req_protocol_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "range", APR_HASH_KEY_STRING,
makefun(&req_range_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "content_type", APR_HASH_KEY_STRING,
makefun(&req_content_type_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "content_encoding", APR_HASH_KEY_STRING,
makefun(&req_content_encoding_field, APL_REQ_FUNTYPE_STRING,
p));
apr_hash_set(dispatch, "ap_auth_type", APR_HASH_KEY_STRING,
makefun(&req_ap_auth_type_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "unparsed_uri", APR_HASH_KEY_STRING,
makefun(&req_unparsed_uri_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "user", APR_HASH_KEY_STRING,
makefun(&req_user_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "filename", APR_HASH_KEY_STRING,
makefun(&req_filename_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "canonical_filename", APR_HASH_KEY_STRING,
makefun(&req_canonical_filename_field,
APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "path_info", APR_HASH_KEY_STRING,
makefun(&req_path_info_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "args", APR_HASH_KEY_STRING,
makefun(&req_args_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "handler", APR_HASH_KEY_STRING,
makefun(&req_handler_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "hostname", APR_HASH_KEY_STRING,
makefun(&req_hostname_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "uri", APR_HASH_KEY_STRING,
makefun(&req_uri_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "the_request", APR_HASH_KEY_STRING,
makefun(&req_the_request_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "log_id", APR_HASH_KEY_STRING,
makefun(&req_log_id_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "useragent_ip", APR_HASH_KEY_STRING,
makefun(&req_useragent_ip_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "method", APR_HASH_KEY_STRING,
makefun(&req_method_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "proxyreq", APR_HASH_KEY_STRING,
makefun(&req_proxyreq_field, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "headers_in", APR_HASH_KEY_STRING,
makefun(&req_headers_in, APL_REQ_FUNTYPE_TABLE, p));
apr_hash_set(dispatch, "headers_out", APR_HASH_KEY_STRING,
makefun(&req_headers_out, APL_REQ_FUNTYPE_TABLE, p));
apr_hash_set(dispatch, "err_headers_out", APR_HASH_KEY_STRING,
makefun(&req_err_headers_out, APL_REQ_FUNTYPE_TABLE, p));
apr_hash_set(dispatch, "notes", APR_HASH_KEY_STRING,
makefun(&req_notes, APL_REQ_FUNTYPE_TABLE, p));
apr_hash_set(dispatch, "subprocess_env", APR_HASH_KEY_STRING,
makefun(&req_subprocess_env, APL_REQ_FUNTYPE_TABLE, p));
apr_hash_set(dispatch, "flush", APR_HASH_KEY_STRING,
makefun(&lua_ap_rflush, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "port", APR_HASH_KEY_STRING,
makefun(&lua_ap_port, APL_REQ_FUNTYPE_INT, p));
apr_hash_set(dispatch, "banner", APR_HASH_KEY_STRING,
makefun(&ap_get_server_banner, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "options", APR_HASH_KEY_STRING,
makefun(&lua_ap_options, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "allowoverrides", APR_HASH_KEY_STRING,
makefun(&lua_ap_allowoverrides, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "started", APR_HASH_KEY_STRING,
makefun(&lua_ap_started, APL_REQ_FUNTYPE_INT, p));
apr_hash_set(dispatch, "basic_auth_pw", APR_HASH_KEY_STRING,
makefun(&lua_ap_basic_auth_pw, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "limit_req_body", APR_HASH_KEY_STRING,
makefun(&lua_ap_limit_req_body, APL_REQ_FUNTYPE_INT, p));
apr_hash_set(dispatch, "server_built", APR_HASH_KEY_STRING,
makefun(&ap_get_server_built, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "is_initial_req", APR_HASH_KEY_STRING,
makefun(&lua_ap_is_initial_req, APL_REQ_FUNTYPE_BOOLEAN, p));
apr_hash_set(dispatch, "remaining", APR_HASH_KEY_STRING,
makefun(&req_remaining_field, APL_REQ_FUNTYPE_INT, p));
apr_hash_set(dispatch, "some_auth_required", APR_HASH_KEY_STRING,
makefun(&lua_ap_some_auth_required, APL_REQ_FUNTYPE_BOOLEAN, p));
apr_hash_set(dispatch, "server_name", APR_HASH_KEY_STRING,
makefun(&ap_get_server_name, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "auth_name", APR_HASH_KEY_STRING,
makefun(&ap_auth_name, APL_REQ_FUNTYPE_STRING, p));
apr_hash_set(dispatch, "sendfile", APR_HASH_KEY_STRING,
makefun(&lua_ap_sendfile, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "dbacquire", APR_HASH_KEY_STRING,
makefun(&lua_db_acquire, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "stat", APR_HASH_KEY_STRING,
makefun(&lua_ap_stat, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "regex", APR_HASH_KEY_STRING,
makefun(&lua_ap_regex, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "sleep", APR_HASH_KEY_STRING,
makefun(&lua_ap_sleep, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "base64_encode", APR_HASH_KEY_STRING,
makefun(&lua_apr_b64encode, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "base64_decode", APR_HASH_KEY_STRING,
makefun(&lua_apr_b64decode, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "md5", APR_HASH_KEY_STRING,
makefun(&lua_apr_md5, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "sha1", APR_HASH_KEY_STRING,
makefun(&lua_apr_sha1, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "escape", APR_HASH_KEY_STRING,
makefun(&lua_ap_escape, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "unescape", APR_HASH_KEY_STRING,
makefun(&lua_ap_unescape, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "banner", APR_HASH_KEY_STRING,
makefun(&lua_ap_banner, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "port", APR_HASH_KEY_STRING,
makefun(&lua_ap_port, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "mpm_query", APR_HASH_KEY_STRING,
makefun(&lua_ap_mpm_query, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "expr", APR_HASH_KEY_STRING,
makefun(&lua_ap_expr, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "scoreboard_process", APR_HASH_KEY_STRING,
makefun(&lua_ap_scoreboard_process, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "scoreboard_worker", APR_HASH_KEY_STRING,
makefun(&lua_ap_scoreboard_worker, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "started", APR_HASH_KEY_STRING,
makefun(&lua_ap_restarted, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "clock", APR_HASH_KEY_STRING,
makefun(&lua_ap_clock, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "requestbody", APR_HASH_KEY_STRING,
makefun(&lua_ap_requestbody, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "add_input_filter", APR_HASH_KEY_STRING,
makefun(&lua_ap_add_input_filter, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "module_info", APR_HASH_KEY_STRING,
makefun(&lua_ap_module_info, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "loaded_modules", APR_HASH_KEY_STRING,
makefun(&lua_ap_loaded_modules, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "runtime_dir_relative", APR_HASH_KEY_STRING,
makefun(&lua_ap_runtime_dir_relative, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "server_info", APR_HASH_KEY_STRING,
makefun(&lua_ap_server_info, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "set_document_root", APR_HASH_KEY_STRING,
makefun(&lua_ap_set_document_root, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "set_context_info", APR_HASH_KEY_STRING,
makefun(&lua_ap_set_context_info, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "os_escape_path", APR_HASH_KEY_STRING,
makefun(&lua_ap_os_escape_path, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "escape_logitem", APR_HASH_KEY_STRING,
makefun(&lua_ap_escape_logitem, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "strcmp_match", APR_HASH_KEY_STRING,
makefun(&lua_ap_strcmp_match, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "set_keepalive", APR_HASH_KEY_STRING,
makefun(&lua_ap_set_keepalive, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "make_etag", APR_HASH_KEY_STRING,
makefun(&lua_ap_make_etag, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "send_interim_response", APR_HASH_KEY_STRING,
makefun(&lua_ap_send_interim_response, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "custom_response", APR_HASH_KEY_STRING,
makefun(&lua_ap_custom_response, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "exists_config_define", APR_HASH_KEY_STRING,
makefun(&lua_ap_exists_config_define, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "state_query", APR_HASH_KEY_STRING,
makefun(&lua_ap_state_query, APL_REQ_FUNTYPE_LUACFUN, p));
apr_hash_set(dispatch, "get_server_name_for_url", APR_HASH_KEY_STRING,
makefun(&lua_ap_get_server_name_for_url, APL_REQ_FUNTYPE_LUACFUN, p));
lua_pushlightuserdata(L, dispatch);
lua_setfield(L, LUA_REGISTRYINDEX, "Apache2.Request.dispatch");
luaL_newmetatable(L, "Apache2.Request"); /* [metatable] */
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
luaL_register(L, NULL, request_methods); /* [metatable] */
lua_pop(L, 2);
luaL_newmetatable(L, "Apache2.Connection"); /* [metatable] */
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
luaL_register(L, NULL, connection_methods); /* [metatable] */
lua_pop(L, 2);
luaL_newmetatable(L, "Apache2.Server"); /* [metatable] */
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
luaL_register(L, NULL, server_methods); /* [metatable] */
lua_pop(L, 2);
}
AP_LUA_DECLARE(void) ap_lua_push_connection(lua_State *L, conn_rec *c)
{
lua_boxpointer(L, c);
luaL_getmetatable(L, "Apache2.Connection");
lua_setmetatable(L, -2);
luaL_getmetatable(L, "Apache2.Connection");
ap_lua_push_apr_table(L, c->notes);
lua_setfield(L, -2, "notes");
lua_pushstring(L, c->client_ip);
lua_setfield(L, -2, "client_ip");
lua_pop(L, 1);
}
AP_LUA_DECLARE(void) ap_lua_push_server(lua_State *L, server_rec *s)
{
lua_boxpointer(L, s);
luaL_getmetatable(L, "Apache2.Server");
lua_setmetatable(L, -2);
luaL_getmetatable(L, "Apache2.Server");
lua_pushstring(L, s->server_hostname);
lua_setfield(L, -2, "server_hostname");
lua_pop(L, 1);
}
AP_LUA_DECLARE(void) ap_lua_push_request(lua_State *L, request_rec *r)
{
lua_boxpointer(L, r);
luaL_getmetatable(L, "Apache2.Request");
lua_setmetatable(L, -2);
}
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