#include "mod_lua.h"
#include "lua_apr.h"
-#include "util_md5.h"
/**
* make a userdata out of a C pointer, and vice versa
}
-/*
- * =======================================================================================================================
- * util_read: Reads any additional form data sent in POST/PUT requests.
- * =======================================================================================================================
- */
-static int util_read(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 buffer[HUGE_STRING_LEN];
- apr_off_t rsize,
- len_read,
- rpos = 0;
- apr_off_t length = r->remaining;
-
- *rbuf = apr_pcalloc(r->pool, length + 1);
- *size = length;
- while ((len_read = ap_get_client_block(r, buffer, sizeof(buffer))) > 0) {
- if ((rpos + len_read) > length)
- rsize = length - rpos;
- else
- rsize = len_read;
- memcpy((char *)*rbuf + rpos, buffer, rsize);
- rpos += rsize;
- }
- }
-
- return rc;
-}
-
-/*
- * =======================================================================================================================
- * util_write: Reads any additional form data sent in POST/PUT requests
- * and writes to a file.
- * =======================================================================================================================
- */
-static apr_status_t util_write(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;
-}
-
-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;
-}
-
-/*
- * 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_port; r:port() - Returns the port used by the request
- */
-static int lua_ap_port(lua_State *L)
-{
- request_rec *r;
- apr_port_t port;
-
- r = ap_lua_check_request_rec(L, 1);
- port = ap_get_server_port(r);
- lua_pushnumber(L, port);
- 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];
-
- 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(®ex, pattern, 0);
- if (rv) {
- lua_pushboolean(L, 0);
- err = apr_palloc(r->pool, 256);
- ap_regerror(rv, ®ex, err, 256);
- lua_pushstring(L, err);
- return 2;
- }
-
- rv = ap_regexec(®ex, source, AP_MAX_REG_MATCH, matches, 0);
- if (rv < 0) {
- lua_pushboolean(L, 0);
- err = apr_palloc(r->pool, 256);
- ap_regerror(rv, ®ex, err, 256);
- lua_pushstring(L, err);
- return 2;
- }
- 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_requestbody; r:requestbody([filename]) - Reads or stores the request
- * body
- */
-static int lua_ap_requestbody(lua_State *L)
-{
- const char *filename;
- request_rec *r;
-
- r = ap_lua_check_request_rec(L, 1);
- filename = luaL_optstring(L, 2, 0);
-
- if (r) {
- apr_off_t size;
-
- if (r->method_number != M_POST && r->method_number != M_PUT)
- return (0);
- if (!filename) {
- const char *data;
-
- if (util_read(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 = util_write(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);
-}
-
-/*
- * 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;
-}
-
-static const struct luaL_Reg httpd_functions[] = {
- {"base64_encode", lua_apr_b64encode},
- {"base64_decode", lua_apr_b64decode},
- {"md5", lua_apr_md5},
- {"sha1", lua_apr_sha1},
- {"escape", lua_ap_escape},
- {"unescape", lua_ap_unescape},
- {"banner", lua_ap_banner},
- {"port", lua_ap_port},
- {"mpm_query", lua_ap_mpm_query},
- {"expr", lua_ap_expr},
- {"scoreboard_process", lua_ap_scoreboard_process},
- {"scoreboard_worker", lua_ap_scoreboard_worker},
- {"started", lua_ap_restarted},
- {"clock", lua_ap_clock},
- {"requestbody", lua_ap_requestbody},
- {"add_input_filter", lua_ap_add_input_filter},
- {"module_info", lua_ap_module_info},
- {"loaded_modules", lua_ap_loaded_modules},
- {"runtime_dir_relative", lua_ap_runtime_dir_relative},
- {"server_info", lua_ap_server_info},
- {"set_document_root", lua_ap_set_document_root},
- {"set_context_info", lua_ap_set_context_info},
- {"os_escape_path", lua_ap_os_escape_path},
- {"escape_logitem", lua_ap_escape_logitem},
- {"strcmp_match", lua_ap_strcmp_match},
- {"set_keepalive", lua_ap_set_keepalive},
- {"make_etag", lua_ap_make_etag},
- {"send_interim_response", lua_ap_send_interim_response},
- {"custom_response", lua_ap_custom_response},
- {"exists_config_define", lua_ap_exists_config_define},
- {"state_query", lua_ap_state_query},
- {"stat", lua_ap_stat},
- {"regex", lua_ap_regex},
- {"sleep", lua_ap_sleep},
- {"get_server_name_for_url", lua_ap_get_server_name_for_url},
- {NULL, NULL} /* sentinel */
-};
-
-AP_LUA_DECLARE(int) ap_lua_load_httpd_functions(lua_State *L)
-{
- lua_getglobal(L, "apache2");
- luaL_register(L, NULL, httpd_functions);
- return 0;
-}
#include "lua_apr.h"
#include "scoreboard.h"
#include "lua_dbd.h"
+#include "util_md5.h"
APLOG_USE_MODULE(lua);
#define POST_MAX_VARS 500
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)
{
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)
{
}
+/*
+ * 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];
+
+ 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(®ex, pattern, 0);
+ if (rv) {
+ lua_pushboolean(L, 0);
+ err = apr_palloc(r->pool, 256);
+ ap_regerror(rv, ®ex, err, 256);
+ lua_pushstring(L, err);
+ return 2;
+ }
+
+ rv = ap_regexec(®ex, source, AP_MAX_REG_MATCH, matches, 0);
+ if (rv < 0) {
+ lua_pushboolean(L, 0);
+ err = apr_palloc(r->pool, 256);
+ ap_regerror(rv, ®ex, err, 256);
+ lua_pushstring(L, err);
+ return 2;
+ }
+ 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)
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");