diff options
Diffstat (limited to 'modules/lua/lua_request.c')
| -rw-r--r-- | modules/lua/lua_request.c | 3043 |
1 files changed, 3043 insertions, 0 deletions
diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c new file mode 100644 index 0000000..bec8580 --- /dev/null +++ b/modules/lua/lua_request.c @@ -0,0 +1,3043 @@ +/** + * 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 "lua_apr.h" +#include "lua_dbd.h" +#include "lua_passwd.h" +#include "scoreboard.h" +#include "util_md5.h" +#include "util_script.h" +#include "util_varbuf.h" +#include "apr_date.h" +#include "apr_pools.h" +#include "apr_thread_mutex.h" +#include "apr_tables.h" +#include "util_cookies.h" + +#define APR_WANT_BYTEFUNC +#include "apr_want.h" + +extern apr_global_mutex_t* lua_ivm_mutex; +extern apr_shm_t *lua_ivm_shm; + +APLOG_USE_MODULE(lua); +#define POST_MAX_VARS 500 + +#ifndef MODLUA_MAX_REG_MATCH +#define MODLUA_MAX_REG_MATCH 25 +#endif + +typedef char *(*req_field_string_f) (request_rec * r); +typedef int (*req_field_int_f) (request_rec * r); +typedef req_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, APLOGNO(03001) + "%d: '%s'", i, lua_tostring(L, i)); + break; + } + case LUA_TUSERDATA:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03002) + "%d: userdata", i); + break; + } + case LUA_TLIGHTUSERDATA:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03003) + "%d: lightuserdata", i); + break; + } + case LUA_TNIL:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03004) + "%d: NIL", i); + break; + } + case LUA_TNONE:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03005) + "%d: None", i); + break; + } + case LUA_TBOOLEAN:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03006) + "%d: %s", i, + lua_toboolean(L, i) ? "true" : "false"); + break; + } + case LUA_TNUMBER:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03007) + "%d: %g", i, lua_tonumber(L, i)); + break; + } + case LUA_TTABLE:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03008) + "%d: <table>", i); + break; + } + case LUA_TFUNCTION:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03009) + "%d: <function>", i); + break; + } + default:{ + ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(03010) + "%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_rawlen(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; +} + +/* helper callback for req_parseargs */ +static int req_aprtable2luatable_cb_len(void *l, const char *key, + const char *value, size_t len) +{ + 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_pushlstring(L, value, len); /* [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_rawlen(L, -1); + lua_pushnumber(L, size + 1); /* [#, array, table<s,t>, table<s,s>] */ + lua_pushlstring(L, value, len); /* [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_pushlstring(L, value, len); /* [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, + apr_off_t maxsize) +{ + int rc = OK; + + *rbuf = NULL; + *size = 0; + + if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR))) { + return (rc); + } + if (ap_should_client_block(r)) { + + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ + apr_off_t len_read = -1; + apr_off_t rpos = 0; + apr_off_t length = r->remaining; + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ + + if (maxsize != 0 && length > maxsize) { + return APR_EINCOMPLETE; /* Only room for incomplete data chunk :( */ + } + *rbuf = (const char *) apr_pcalloc(r->pool, (apr_size_t) (length) + 1); + while ((rpos < length) + && (len_read = ap_get_client_block(r, (char *) *rbuf + rpos, + length - rpos)) > 0) { + rpos += len_read; + } + if (len_read < 0) { + return APR_EINCOMPLETE; + } + *size = rpos; + } + else { + rc = DONE; + } + + 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; + + *size = 0; + + 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; + + *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, + NULL); + if (rc != APR_SUCCESS) + return rc; + rpos += rsize; + } + } + else { + rc = DONE; + } + + return rc; +} + +/* expose apr_table as (r/o) lua table */ +static int req_aprtable2luatable(lua_State *L, apr_table_t *t) +{ + lua_newtable(L); + lua_newtable(L); /* [table, table] */ + apr_table_do(req_aprtable2luatable_cb, L, t, NULL); + return 2; /* [table<string, string>, table<string, array<string>>] */ +} + +static int req_headers_in_table(lua_State *L) +{ + request_rec *r = ap_lua_check_request_rec(L, 1); + return req_aprtable2luatable(L, r->headers_in); +} +static int req_headers_out_table(lua_State *L) +{ + request_rec *r = ap_lua_check_request_rec(L, 1); + return req_aprtable2luatable(L, r->headers_out); +} +static int req_err_headers_out_table(lua_State *L) +{ + request_rec *r = ap_lua_check_request_rec(L, 1); + return req_aprtable2luatable(L, r->err_headers_out); +} +static int req_notes_table(lua_State *L) +{ + request_rec *r = ap_lua_check_request_rec(L, 1); + return req_aprtable2luatable(L, r->notes); +} +static int req_subprocess_env_table(lua_State *L) +{ + request_rec *r = ap_lua_check_request_rec(L, 1); + return req_aprtable2luatable(L, r->subprocess_env); +} +/* 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>>] */ +} + +/* ap_lua_binstrstr: Binary strstr function for uploaded data with NULL bytes */ +static char* ap_lua_binstrstr (const char * haystack, size_t hsize, const char* needle, size_t nsize) +{ + size_t p; + if (haystack == NULL) return NULL; + if (needle == NULL) return NULL; + if (hsize < nsize) return NULL; + for (p = 0; p <= (hsize - nsize); ++p) { + if (memcmp(haystack + p, needle, nsize) == 0) { + return (char*) (haystack + p); + } + } + return NULL; +} + +/* 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_optinteger(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, max_post_size) != OK) { + return 2; + } + len = strlen(multipart); + i = 0; + for + ( + start = strstr((char *) data, multipart); + start != NULL; + start = end + ) { + i++; + if (i == POST_MAX_VARS) break; + crlf = strstr((char *) start, "\r\n\r\n"); + if (!crlf) break; + end = ap_lua_binstrstr(crlf, (size - (crlf - data)), multipart, len); + if (end == NULL) break; + key = (char *) apr_pcalloc(r->pool, 256); + filename = (char *) apr_pcalloc(r->pool, 256); + if (end - crlf <= 8) break; + 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 (*key) { + req_aprtable2luatable_cb_len(L, key, buffer, vlen); + } + } + } + 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 = (apr_off_t)luaL_optinteger(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, maxSize) != 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:add_output_filter(name) */ +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 req_table_t* req_headers_in(request_rec *r) +{ + req_table_t* t = apr_palloc(r->pool, sizeof(req_table_t)); + t->r = r; + t->t = r->headers_in; + t->n = "headers_in"; + return t; +} + +static req_table_t* req_headers_out(request_rec *r) +{ + req_table_t* t = apr_palloc(r->pool, sizeof(req_table_t)); + t->r = r; + t->t = r->headers_out; + t->n = "headers_out"; + return t; +} + +static req_table_t* req_err_headers_out(request_rec *r) +{ + req_table_t* t = apr_palloc(r->pool, sizeof(req_table_t)); + t->r = r; + t->t = r->err_headers_out; + t->n = "err_headers_out"; + return t; +} + +static req_table_t* req_subprocess_env(request_rec *r) +{ + req_table_t* t = apr_palloc(r->pool, sizeof(req_table_t)); + t->r = r; + t->t = r->subprocess_env; + t->n = "subprocess_env"; + return t; +} + +static req_table_t* req_notes(request_rec *r) +{ + req_table_t* t = apr_palloc(r->pool, sizeof(req_table_t)); + t->r = r; + t->t = r->notes; + t->n = "notes"; + return t; +} + +static int req_ssl_is_https_field(request_rec *r) +{ + return ap_lua_ssl_is_https(r->connection); +} + +static int req_ap_get_server_port(request_rec *r) +{ + return (int) ap_get_server_port(r); +} + +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 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); + if ( (opts & OR_ALL) == OR_ALL) { + return "All"; + } + else if (opts == OR_NONE) { + return "None"; + } + return apr_psprintf(r->pool, "%s %s %s %s %s", (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 (int)(ap_scoreboard_image->global->restart_time / 1000000); +} + +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_MIN, 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, (apr_size_t)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); + if (encoded_len) { + encoded = apr_palloc(r->pool, encoded_len); + encoded_len = apr_base64_encode(encoded, plain, plain_len); + if (encoded_len > 0 && encoded[encoded_len - 1] == '\0') + encoded_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); + if (decoded_len) { + plain = apr_palloc(r->pool, decoded_len); + decoded_len = apr_base64_decode(plain, encoded); + if (decoded_len > 0 && plain[decoded_len - 1] == '\0') + decoded_len--; + 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_apr_htpassword; r:htpassword(string [, algorithm [, cost]]) - Creates + * a htpassword hash from a string + */ +static int lua_apr_htpassword(lua_State *L) +{ + passwd_ctx ctx = { 0 }; + request_rec *r; + + r = ap_lua_check_request_rec(L, 1); + luaL_checktype(L, 2, LUA_TSTRING); + ctx.passwd = apr_pstrdup(r->pool, lua_tostring(L, 2)); + ctx.alg = luaL_optinteger(L, 3, ALG_APMD5); + ctx.cost = luaL_optinteger(L, 4, 0); + ctx.pool = r->pool; + ctx.out = apr_pcalloc(r->pool, MAX_PASSWD_LEN); + ctx.out_len = MAX_PASSWD_LEN; + if (mk_password_hash(&ctx)) { + lua_pushboolean(L, 0); + lua_pushstring(L, ctx.errstr); + return 2; + } else { + lua_pushstring(L, ctx.out); + } + return 1; +} + +/* + * lua_apr_touch; r:touch(string [, time]) - Sets mtime of a file + */ +static int lua_apr_touch(lua_State *L) +{ + request_rec *r; + const char *path; + apr_status_t status; + apr_time_t mtime; + + r = ap_lua_check_request_rec(L, 1); + luaL_checktype(L, 2, LUA_TSTRING); + path = lua_tostring(L, 2); + mtime = (apr_time_t)luaL_optnumber(L, 3, (lua_Number)apr_time_now()); + status = apr_file_mtime_set(path, mtime, r->pool); + lua_pushboolean(L, (status == 0)); + return 1; +} + +/* + * lua_apr_mkdir; r:mkdir(string [, permissions]) - Creates a directory + */ +static int lua_apr_mkdir(lua_State *L) +{ + request_rec *r; + const char *path; + apr_status_t status; + apr_fileperms_t perms; + + r = ap_lua_check_request_rec(L, 1); + luaL_checktype(L, 2, LUA_TSTRING); + path = lua_tostring(L, 2); + perms = luaL_optinteger(L, 3, APR_OS_DEFAULT); + status = apr_dir_make(path, perms, r->pool); + lua_pushboolean(L, (status == 0)); + return 1; +} + +/* + * lua_apr_mkrdir; r:mkrdir(string [, permissions]) - Creates directories + * recursive + */ +static int lua_apr_mkrdir(lua_State *L) +{ + request_rec *r; + const char *path; + apr_status_t status; + apr_fileperms_t perms; + + r = ap_lua_check_request_rec(L, 1); + luaL_checktype(L, 2, LUA_TSTRING); + path = lua_tostring(L, 2); + perms = luaL_optinteger(L, 3, APR_OS_DEFAULT); + status = apr_dir_make_recursive(path, perms, r->pool); + lua_pushboolean(L, (status == 0)); + return 1; +} + +/* + * lua_apr_rmdir; r:rmdir(string) - Removes a directory + */ +static int lua_apr_rmdir(lua_State *L) +{ + request_rec *r; + const char *path; + apr_status_t status; + + r = ap_lua_check_request_rec(L, 1); + luaL_checktype(L, 2, LUA_TSTRING); + path = lua_tostring(L, 2); + status = apr_dir_remove(path, r->pool); + lua_pushboolean(L, (status == 0)); + return 1; +} + +/* + * lua_apr_date_parse_rfc; r.date_parse_rfc(string) - Parses a DateTime string + */ +static int lua_apr_date_parse_rfc(lua_State *L) +{ + const char *input; + apr_time_t result; + + luaL_checktype(L, 1, LUA_TSTRING); + input = lua_tostring(L, 1); + result = apr_date_parse_rfc(input); + if (result == 0) + return 0; + lua_pushnumber(L, (lua_Number)(result / APR_USEC_PER_SEC)); + 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_tointeger(L, 1); + ap_mpm_query(x, &y); + lua_pushinteger(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 [, flags]) + * - Evaluates a regex and returns captures if matched + */ +static int lua_ap_regex(lua_State *L) +{ + request_rec *r; + int i, + rv, + flags; + const char *pattern, + *source; + char *err; + ap_regex_t regex; + ap_regmatch_t matches[MODLUA_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); + source = lua_tostring(L, 2); + pattern = lua_tostring(L, 3); + flags = luaL_optinteger(L, 4, 0); + + rv = ap_regcomp(®ex, pattern, flags); + if (rv) { + lua_pushboolean(L, 0); + err = apr_palloc(r->pool, 256); + ap_regerror(rv, ®ex, err, 256); + lua_pushstring(L, err); + return 2; + } + + if (regex.re_nsub > MODLUA_MAX_REG_MATCH) { + lua_pushboolean(L, 0); + err = apr_palloc(r->pool, 64); + apr_snprintf(err, 64, + "regcomp found %d matches; only %d allowed.", + regex.re_nsub, MODLUA_MAX_REG_MATCH); + lua_pushstring(L, err); + return 2; + } + + rv = ap_regexec(®ex, source, MODLUA_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_tointeger(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 = NULL; + request_rec *r = NULL; + + luaL_checktype(L, 1, LUA_TUSERDATA); + luaL_checktype(L, 2, LUA_TNUMBER); + luaL_checktype(L, 3, LUA_TNUMBER); + + r = ap_lua_check_request_rec(L, 1); + if (!r) return 0; + + i = lua_tointeger(L, 2); + j = lua_tointeger(L, 3); + ws_record = apr_palloc(r->pool, sizeof *ws_record); + + ap_copy_scoreboard_worker(ws_record, 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, (lua_Number) 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, "client64"); + lua_pushstring(L, ws_record->client64); + lua_settable(L, -3); + + lua_pushstring(L, "conn_bytes"); + lua_pushnumber(L, (lua_Number) 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, (lua_Number) 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, (lua_Number) 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, (lua_Number) 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_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, (lua_Number) 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 && mod->cmds) { + 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_getdir; r:get_direntries(directory) - Gets all entries of a + * directory and returns the directory info as a table + */ +static int lua_ap_getdir(lua_State *L) +{ + request_rec *r; + apr_dir_t *thedir; + apr_finfo_t file_info; + apr_status_t status; + const char *directory; + + luaL_checktype(L, 1, LUA_TUSERDATA); + luaL_checktype(L, 2, LUA_TSTRING); + r = ap_lua_check_request_rec(L, 1); + directory = lua_tostring(L, 2); + if (apr_dir_open(&thedir, directory, r->pool) == APR_SUCCESS) { + int i = 0; + lua_newtable(L); + do { + status = apr_dir_read(&file_info, APR_FINFO_NAME, thedir); + if (APR_STATUS_IS_INCOMPLETE(status)) { + continue; /* ignore un-stat()able files */ + } + else if (status != APR_SUCCESS) { + break; + } + lua_pushinteger(L, ++i); + lua_pushstring(L, file_info.name); + lua_settable(L, -3); + + } while (1); + apr_dir_close(thedir); + return 1; + } + else { + return 0; + } +} + +/* + * lua_ap_stat; r:stat(filename [, wanted]) - 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; + apr_int32_t wanted; + + 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); + wanted = luaL_optinteger(L, 3, APR_FINFO_MIN); + if (apr_stat(&file_info, filename, wanted, r->pool) == OK) { + lua_newtable(L); + if (wanted & APR_FINFO_MTIME) { + lua_pushstring(L, "mtime"); + lua_pushnumber(L, (lua_Number) file_info.mtime); + lua_settable(L, -3); + } + if (wanted & APR_FINFO_ATIME) { + lua_pushstring(L, "atime"); + lua_pushnumber(L, (lua_Number) file_info.atime); + lua_settable(L, -3); + } + if (wanted & APR_FINFO_CTIME) { + lua_pushstring(L, "ctime"); + lua_pushnumber(L, (lua_Number) file_info.ctime); + lua_settable(L, -3); + } + if (wanted & APR_FINFO_SIZE) { + lua_pushstring(L, "size"); + lua_pushnumber(L, (lua_Number) file_info.size); + lua_settable(L, -3); + } + if (wanted & APR_FINFO_TYPE) { + lua_pushstring(L, "filetype"); + lua_pushinteger(L, file_info.filetype); + lua_settable(L, -3); + } + if (wanted & APR_FINFO_PROT) { + lua_pushstring(L, "protection"); + lua_pushinteger(L, file_info.protection); + 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 pattern 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 = (int)luaL_optinteger(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_pushboolean(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; +} + +/* + * lua_ap_usleep; r:usleep(microseconds) + * - Sleep for the specified number of microseconds. + */ +static int lua_ap_usleep(lua_State *L) +{ + apr_interval_time_t msec; + luaL_checktype(L, 1, LUA_TNUMBER); + msec = (apr_interval_time_t)lua_tonumber(L, 1); + 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:{ + req_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_pushinteger(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); + /* Intentional no APLOGNO */ + 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); +} + +static int lua_ivm_get(lua_State *L) +{ + const char *key, *raw_key; + apr_pool_t *pool; + lua_ivm_object *object = NULL; + request_rec *r = ap_lua_check_request_rec(L, 1); + key = luaL_checkstring(L, 2); + raw_key = apr_pstrcat(r->pool, "lua_ivm_", key, NULL); + apr_global_mutex_lock(lua_ivm_mutex); + pool = *((apr_pool_t**) apr_shm_baseaddr_get(lua_ivm_shm)); + apr_pool_userdata_get((void **)&object, raw_key, pool); + if (object) { + if (object->type == LUA_TBOOLEAN) lua_pushboolean(L, (int) object->number); + else if (object->type == LUA_TNUMBER) lua_pushnumber(L, object->number); + else if (object->type == LUA_TSTRING) lua_pushlstring(L, object->vb.buf, object->size); + apr_global_mutex_unlock(lua_ivm_mutex); + return 1; + } + else { + apr_global_mutex_unlock(lua_ivm_mutex); + return 0; + } +} + + +static int lua_ivm_set(lua_State *L) +{ + const char *key, *raw_key; + const char *value = NULL; + apr_pool_t *pool; + size_t str_len; + lua_ivm_object *object = NULL; + request_rec *r = ap_lua_check_request_rec(L, 1); + key = luaL_checkstring(L, 2); + luaL_checkany(L, 3); + raw_key = apr_pstrcat(r->pool, "lua_ivm_", key, NULL); + + apr_global_mutex_lock(lua_ivm_mutex); + pool = *((apr_pool_t**) apr_shm_baseaddr_get(lua_ivm_shm)); + apr_pool_userdata_get((void **)&object, raw_key, pool); + if (!object) { + object = apr_pcalloc(pool, sizeof(lua_ivm_object)); + ap_varbuf_init(pool, &object->vb, 2); + object->size = 1; + object->vb_size = 1; + } + object->type = lua_type(L, 3); + if (object->type == LUA_TNUMBER) object->number = lua_tonumber(L, 3); + else if (object->type == LUA_TBOOLEAN) object->number = lua_tonumber(L, 3); + else if (object->type == LUA_TSTRING) { + value = lua_tolstring(L, 3, &str_len); + str_len++; /* add trailing \0 */ + if ( str_len > object->vb_size) { + ap_varbuf_grow(&object->vb, str_len); + object->vb_size = str_len; + } + object->size = str_len-1; + memset(object->vb.buf, 0, str_len); + memcpy(object->vb.buf, value, str_len-1); + } + apr_pool_userdata_set(object, raw_key, NULL, pool); + apr_global_mutex_unlock(lua_ivm_mutex); + return 0; +} + +static int lua_get_cookie(lua_State *L) +{ + const char *key, *cookie; + request_rec *r = ap_lua_check_request_rec(L, 1); + key = luaL_checkstring(L, 2); + cookie = NULL; + ap_cookie_read(r, key, &cookie, 0); + if (cookie != NULL) { + lua_pushstring(L, cookie); + return 1; + } + return 0; +} + +static int lua_set_cookie(lua_State *L) +{ + const char *key, *value, *out, *path = "", *domain = ""; + const char *strexpires = "", *strdomain = "", *strpath = ""; + int secure = 0, expires = 0, httponly = 0; + char cdate[APR_RFC822_DATE_LEN+1]; + apr_status_t rv; + request_rec *r = ap_lua_check_request_rec(L, 1); + + /* New >= 2.4.8 method: */ + if (lua_istable(L, 2)) { + + /* key */ + lua_pushstring(L, "key"); + lua_gettable(L, -2); + key = luaL_checkstring(L, -1); + lua_pop(L, 1); + + /* value */ + lua_pushstring(L, "value"); + lua_gettable(L, -2); + value = luaL_checkstring(L, -1); + lua_pop(L, 1); + + /* expiry */ + lua_pushstring(L, "expires"); + lua_gettable(L, -2); + expires = (int)luaL_optinteger(L, -1, 0); + lua_pop(L, 1); + + /* secure */ + lua_pushstring(L, "secure"); + lua_gettable(L, -2); + if (lua_isboolean(L, -1)) { + secure = lua_toboolean(L, -1); + } + lua_pop(L, 1); + + /* httponly */ + lua_pushstring(L, "httponly"); + lua_gettable(L, -2); + if (lua_isboolean(L, -1)) { + httponly = lua_toboolean(L, -1); + } + lua_pop(L, 1); + + /* path */ + lua_pushstring(L, "path"); + lua_gettable(L, -2); + path = luaL_optstring(L, -1, "/"); + lua_pop(L, 1); + + /* domain */ + lua_pushstring(L, "domain"); + lua_gettable(L, -2); + domain = luaL_optstring(L, -1, ""); + lua_pop(L, 1); + } + /* Old <= 2.4.7 method: */ + else { + key = luaL_checkstring(L, 2); + value = luaL_checkstring(L, 3); + secure = 0; + if (lua_isboolean(L, 4)) { + secure = lua_toboolean(L, 4); + } + expires = luaL_optinteger(L, 5, 0); + } + + /* Calculate expiry if set */ + if (expires > 0) { + rv = apr_rfc822_date(cdate, apr_time_from_sec(expires)); + if (rv == APR_SUCCESS) { + strexpires = apr_psprintf(r->pool, "Expires=%s;", cdate); + } + } + + /* Create path segment */ + if (path != NULL && strlen(path) > 0) { + strpath = apr_psprintf(r->pool, "Path=%s;", path); + } + + /* Create domain segment */ + if (domain != NULL && strlen(domain) > 0) { + /* Domain does NOT like quotes in most browsers, so let's avoid that */ + strdomain = apr_psprintf(r->pool, "Domain=%s;", domain); + } + + /* URL-encode key/value */ + value = ap_escape_urlencoded(r->pool, value); + key = ap_escape_urlencoded(r->pool, key); + + /* Create the header */ + out = apr_psprintf(r->pool, "%s=%s; %s %s %s %s %s", key, value, + secure ? "Secure;" : "", + expires ? strexpires : "", + httponly ? "HttpOnly;" : "", + *strdomain ? strdomain : "", + *strpath ? strpath : ""); + + apr_table_add(r->err_headers_out, "Set-Cookie", out); + return 0; +} + +static apr_uint64_t ap_ntoh64(const apr_uint64_t *input) +{ + apr_uint64_t rval; + unsigned char *data = (unsigned char *)&rval; + if (APR_IS_BIGENDIAN) { + return *input; + } + + data[0] = *input >> 56; + data[1] = *input >> 48; + data[2] = *input >> 40; + data[3] = *input >> 32; + data[4] = *input >> 24; + data[5] = *input >> 16; + data[6] = *input >> 8; + data[7] = *input >> 0; + + return rval; +} + +static int lua_websocket_greet(lua_State *L) +{ + const char *key = NULL; + unsigned char digest[APR_SHA1_DIGESTSIZE]; + apr_sha1_ctx_t sha1; + char *encoded; + int encoded_len; + request_rec *r = ap_lua_check_request_rec(L, 1); + key = apr_table_get(r->headers_in, "Sec-WebSocket-Key"); + if (key != NULL) { + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03011) + "Websocket: Got websocket key: %s", key); + key = apr_pstrcat(r->pool, key, "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", + NULL); + apr_sha1_init(&sha1); + apr_sha1_update(&sha1, key, strlen(key)); + apr_sha1_final(digest, &sha1); + encoded_len = apr_base64_encode_len(APR_SHA1_DIGESTSIZE); + if (encoded_len) { + encoded = apr_palloc(r->pool, encoded_len); + encoded_len = apr_base64_encode(encoded, (char*) digest, APR_SHA1_DIGESTSIZE); + r->status = 101; + apr_table_setn(r->headers_out, "Upgrade", "websocket"); + apr_table_setn(r->headers_out, "Connection", "Upgrade"); + apr_table_setn(r->headers_out, "Sec-WebSocket-Accept", encoded); + + /* Trick httpd into NOT using the chunked filter, IMPORTANT!!!111*/ + apr_table_setn(r->headers_out, "Transfer-Encoding", "chunked"); + + r->clength = 0; + r->bytes_sent = 0; + r->read_chunked = 0; + ap_rflush(r); + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03012) + "Websocket: Upgraded from HTTP to Websocket"); + lua_pushboolean(L, 1); + return 1; + } + } + ap_log_rerror(APLOG_MARK, APLOG_NOTICE, 0, r, APLOGNO(02666) + "Websocket: Upgrade from HTTP to Websocket failed"); + return 0; +} + +static apr_status_t lua_websocket_readbytes(conn_rec* c, + apr_bucket_brigade *brigade, + char* buffer, apr_off_t len) +{ + apr_size_t delivered; + apr_status_t rv; + + rv = ap_get_brigade(c->input_filters, brigade, AP_MODE_READBYTES, + APR_BLOCK_READ, len); + if (rv == APR_SUCCESS) { + delivered = len; + rv = apr_brigade_flatten(brigade, buffer, &delivered); + if ((rv == APR_SUCCESS) && (delivered < len)) { + rv = APR_INCOMPLETE; + } + } + apr_brigade_cleanup(brigade); + return rv; +} + +static int lua_websocket_peek(lua_State *L) +{ + apr_status_t rv; + apr_bucket_brigade *brigade; + + request_rec *r = ap_lua_check_request_rec(L, 1); + + brigade = apr_brigade_create(r->connection->pool, + r->connection->bucket_alloc); + rv = ap_get_brigade(r->connection->input_filters, brigade, + AP_MODE_READBYTES, APR_NONBLOCK_READ, 1); + if (rv == APR_SUCCESS) { + lua_pushboolean(L, 1); + } + else { + lua_pushboolean(L, 0); + } + apr_brigade_cleanup(brigade); + return 1; +} + +static int lua_websocket_read(lua_State *L) +{ + apr_status_t rv; + int do_read = 1; + int n = 0; + apr_size_t plen = 0; + unsigned short payload_short = 0; + apr_uint64_t payload_long = 0; + unsigned char *mask_bytes; + char byte; + apr_bucket_brigade *brigade; + conn_rec* c; + + request_rec *r = ap_lua_check_request_rec(L, 1); + c = r->connection; + + mask_bytes = apr_pcalloc(r->pool, 4); + + brigade = apr_brigade_create(r->pool, c->bucket_alloc); + + while (do_read) { + do_read = 0; + /* Get opcode and FIN bit */ + rv = lua_websocket_readbytes(c, brigade, &byte, 1); + if (rv == APR_SUCCESS) { + unsigned char ubyte, fin, opcode, mask, payload; + ubyte = (unsigned char)byte; + /* fin bit is the first bit */ + fin = ubyte >> (CHAR_BIT - 1); + /* opcode is the last four bits (there's 3 reserved bits we don't care about) */ + opcode = ubyte & 0xf; + + /* Get the payload length and mask bit */ + rv = lua_websocket_readbytes(c, brigade, &byte, 1); + if (rv == APR_SUCCESS) { + ubyte = (unsigned char)byte; + /* Mask is the first bit */ + mask = ubyte >> (CHAR_BIT - 1); + /* Payload is the last 7 bits */ + payload = ubyte & 0x7f; + plen = payload; + + /* Extended payload? */ + if (payload == 126) { + rv = lua_websocket_readbytes(c, brigade, + (char*) &payload_short, 2); + + if (rv != APR_SUCCESS) { + return 0; + } + + plen = ntohs(payload_short); + } + /* Super duper extended payload? */ + if (payload == 127) { + rv = lua_websocket_readbytes(c, brigade, + (char*) &payload_long, 8); + + if (rv != APR_SUCCESS) { + return 0; + } + + plen = ap_ntoh64(&payload_long); + } + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03210) + "Websocket: Reading %" APR_SIZE_T_FMT " (%s) bytes, masking is %s. %s", + plen, + (payload >= 126) ? "extra payload" : "no extra payload", + mask ? "on" : "off", + fin ? "This is a final frame" : "more to follow"); + if (mask) { + rv = lua_websocket_readbytes(c, brigade, + (char*) mask_bytes, 4); + + if (rv != APR_SUCCESS) { + return 0; + } + } + if (plen < (HUGE_STRING_LEN*1024) && plen > 0) { + apr_size_t remaining = plen; + char *buffer = apr_palloc(r->pool, plen+1); + buffer[plen] = 0; + + rv = lua_websocket_readbytes(c, brigade, buffer, remaining); + + if (rv != APR_SUCCESS) { + return 0; + } + + ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, + "Websocket: Frame contained %" APR_SIZE_T_FMT \ + " bytes, pushed to Lua stack", remaining); + if (mask) { + for (n = 0; n < plen; n++) { + buffer[n] ^= mask_bytes[n%4]; + } + } + + lua_pushlstring(L, buffer, (size_t) plen); /* push to stack */ + lua_pushboolean(L, fin); /* push FIN bit to stack as boolean */ + return 2; + } + + /* Decide if we need to react to the opcode or not */ + if (opcode == 0x09) { /* ping */ + char frame[2]; + apr_bucket *b; + + frame[0] = 0x8A; + frame[1] = 0; + + /* Pong! */ + b = apr_bucket_transient_create(frame, 2, c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(brigade, b); + + rv = ap_pass_brigade(c->output_filters, brigade); + apr_brigade_cleanup(brigade); + + if (rv != APR_SUCCESS) { + return 0; + } + + do_read = 1; + } + } + } + } + return 0; +} + + +static int lua_websocket_write(lua_State *L) +{ + const char *string; + apr_status_t rv; + size_t len; + int raw = 0; + char prelude; + request_rec *r = ap_lua_check_request_rec(L, 1); + + if (lua_isboolean(L, 3)) { + raw = lua_toboolean(L, 3); + } + string = lua_tolstring(L, 2, &len); + + if (raw != 1) { + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03013) + "Websocket: Writing framed message to client"); + + prelude = 0x81; /* text frame, FIN */ + ap_rputc(prelude, r); + if (len < 126) { + ap_rputc(len, r); + } + else if (len < 65535) { + apr_uint16_t slen = len; + ap_rputc(126, r); + slen = htons(slen); + ap_rwrite((char*) &slen, 2, r); + } + else { + apr_uint64_t llen = len; + ap_rputc(127, r); + llen = ap_ntoh64(&llen); /* ntoh doubles as hton */ + ap_rwrite((char*) &llen, 8, r); + } + } + else { + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03014) + "Websocket: Writing raw message to client"); + } + ap_rwrite(string, len, r); + rv = ap_rflush(r); + if (rv == APR_SUCCESS) { + lua_pushboolean(L, 1); + } + else { + lua_pushboolean(L, 0); + } + return 1; +} + + +static int lua_websocket_close(lua_State *L) +{ + apr_socket_t *sock; + char prelude[2]; + request_rec *r = ap_lua_check_request_rec(L, 1); + + sock = ap_get_conn_socket(r->connection); + + /* Send a header that says: socket is closing. */ + prelude[0] = 0x88; /* closing socket opcode */ + prelude[1] = 0; /* zero length frame */ + ap_rwrite(prelude, 2, r); + + /* Close up tell the MPM and filters to back off */ + apr_socket_close(sock); + r->output_filters = NULL; + r->connection->keepalive = AP_CONN_CLOSE; + return 0; +} + +static int lua_websocket_ping(lua_State *L) +{ + apr_socket_t *sock; + apr_size_t plen; + char prelude[2]; + apr_status_t rv; + request_rec *r = ap_lua_check_request_rec(L, 1); + sock = ap_get_conn_socket(r->connection); + + /* Send a header that says: PING. */ + prelude[0] = 0x89; /* ping opcode */ + prelude[1] = 0; + plen = 2; + apr_socket_send(sock, prelude, &plen); + + + /* Get opcode and FIN bit from pong */ + plen = 2; + rv = apr_socket_recv(sock, prelude, &plen); + if (rv == APR_SUCCESS) { + unsigned char opcode = prelude[0]; + unsigned char len = prelude[1]; + unsigned char mask = len >> 7; + if (mask) len -= 128; + plen = len; + ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03015) + "Websocket: Got PONG opcode: %x", opcode); + if (opcode == 0x8A) { + lua_pushboolean(L, 1); + } + else { + lua_pushboolean(L, 0); + } + if (plen > 0) { + ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, + "Websocket: Reading %" APR_SIZE_T_FMT " bytes of PONG", plen); + return 1; + } + if (mask) { + plen = 2; + apr_socket_recv(sock, prelude, &plen); + plen = 2; + apr_socket_recv(sock, prelude, &plen); + } + } + else { + lua_pushboolean(L, 0); + } + return 1; +} + + +#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; +} + + + +/* helper function for walking config trees */ +static void read_cfg_tree(lua_State *L, request_rec *r, ap_directive_t *rcfg) { + int x = 0; + const char* value; + ap_directive_t *cfg; + lua_newtable(L); + + for (cfg = rcfg; cfg; cfg = cfg->next) { + x++; + lua_pushnumber(L, x); + lua_newtable(L); + value = apr_psprintf(r->pool, "%s %s", cfg->directive, cfg->args); + lua_pushstring(L, "directive"); + lua_pushstring(L, value); + lua_settable(L, -3); + lua_pushstring(L, "file"); + lua_pushstring(L, cfg->filename); + lua_settable(L, -3); + lua_pushstring(L, "line"); + lua_pushnumber(L, cfg->line_num); + lua_settable(L, -3); + if (cfg->first_child) { + lua_pushstring(L, "children"); + read_cfg_tree(L, r, cfg->first_child); + lua_settable(L, -3); + } + lua_settable(L, -3); + } +} + +static int lua_ap_get_config(lua_State *L) { + request_rec *r = ap_lua_check_request_rec(L, 1); + read_cfg_tree(L, r, ap_conftree); + + return 1; +} + + +/* Hack, hack, hack...! TODO: Make this actually work properly */ +static int lua_ap_get_active_config(lua_State *L) { + ap_directive_t *subdir; + ap_directive_t *dir = ap_conftree; + request_rec *r = ap_lua_check_request_rec(L, 1); + + for (dir = ap_conftree; dir; dir = dir->next) { + if (ap_strcasestr(dir->directive, "<virtualhost") && dir->first_child) { + for (subdir = dir->first_child; subdir; subdir = subdir->next) { + if (ap_strcasecmp_match(subdir->directive, "servername") && + !ap_strcasecmp_match(r->hostname, subdir->args)) { + read_cfg_tree(L, r, dir->first_child); + return 1; + } + if (ap_strcasecmp_match(subdir->directive, "serveralias") && + !ap_strcasecmp_match(r->hostname, subdir->args)) { + read_cfg_tree(L, r, dir->first_child); + return 1; + } + } + } + } + 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 char* lua_ap_auth_name(request_rec* r) +{ + const char *name; + name = ap_auth_name(r); + return name ? name : ""; +} + +static const char* lua_ap_get_server_name(request_rec* r) +{ + const char *name; + name = ap_get_server_name(r); + return name ? name : "localhost"; +} + + + + +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; +} + +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_in_table", APR_HASH_KEY_STRING, + makefun(&req_headers_in_table, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "headers_out", APR_HASH_KEY_STRING, + makefun(&req_headers_out, APL_REQ_FUNTYPE_TABLE, p)); + apr_hash_set(dispatch, "headers_out_table", APR_HASH_KEY_STRING, + makefun(&req_headers_out_table, APL_REQ_FUNTYPE_LUACFUN, 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, "err_headers_out_table", APR_HASH_KEY_STRING, + makefun(&req_err_headers_out_table, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "notes", APR_HASH_KEY_STRING, + makefun(&req_notes, APL_REQ_FUNTYPE_TABLE, p)); + apr_hash_set(dispatch, "notes_table", APR_HASH_KEY_STRING, + makefun(&req_notes_table, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "subprocess_env", APR_HASH_KEY_STRING, + makefun(&req_subprocess_env, APL_REQ_FUNTYPE_TABLE, p)); + apr_hash_set(dispatch, "subprocess_env_table", APR_HASH_KEY_STRING, + makefun(&req_subprocess_env_table, APL_REQ_FUNTYPE_LUACFUN, 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(&req_ap_get_server_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(&lua_ap_get_server_name, APL_REQ_FUNTYPE_STRING, p)); + apr_hash_set(dispatch, "auth_name", APR_HASH_KEY_STRING, + makefun(&lua_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, "get_direntries", APR_HASH_KEY_STRING, + makefun(&lua_ap_getdir, 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, "usleep", APR_HASH_KEY_STRING, + makefun(&lua_ap_usleep, 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, "htpassword", APR_HASH_KEY_STRING, + makefun(&lua_apr_htpassword, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "touch", APR_HASH_KEY_STRING, + makefun(&lua_apr_touch, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "mkdir", APR_HASH_KEY_STRING, + makefun(&lua_apr_mkdir, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "mkrdir", APR_HASH_KEY_STRING, + makefun(&lua_apr_mkrdir, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "rmdir", APR_HASH_KEY_STRING, + makefun(&lua_apr_rmdir, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "date_parse_rfc", APR_HASH_KEY_STRING, + makefun(&lua_apr_date_parse_rfc, 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, "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, "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)); + apr_hash_set(dispatch, "ivm_get", APR_HASH_KEY_STRING, + makefun(&lua_ivm_get, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "ivm_set", APR_HASH_KEY_STRING, + makefun(&lua_ivm_set, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "getcookie", APR_HASH_KEY_STRING, + makefun(&lua_get_cookie, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "setcookie", APR_HASH_KEY_STRING, + makefun(&lua_set_cookie, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wsupgrade", APR_HASH_KEY_STRING, + makefun(&lua_websocket_greet, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wsread", APR_HASH_KEY_STRING, + makefun(&lua_websocket_read, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wspeek", APR_HASH_KEY_STRING, + makefun(&lua_websocket_peek, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wswrite", APR_HASH_KEY_STRING, + makefun(&lua_websocket_write, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wsclose", APR_HASH_KEY_STRING, + makefun(&lua_websocket_close, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "wsping", APR_HASH_KEY_STRING, + makefun(&lua_websocket_ping, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "config", APR_HASH_KEY_STRING, + makefun(&lua_ap_get_config, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "activeconfig", APR_HASH_KEY_STRING, + makefun(&lua_ap_get_active_config, 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_setfuncs_compat(L, request_methods); /* [metatable] */ + + lua_pop(L, 2); + + luaL_newmetatable(L, "Apache2.Connection"); /* [metatable] */ + lua_pushvalue(L, -1); + + lua_setfield(L, -2, "__index"); + luaL_setfuncs_compat(L, connection_methods); /* [metatable] */ + + lua_pop(L, 2); + + luaL_newmetatable(L, "Apache2.Server"); /* [metatable] */ + lua_pushvalue(L, -1); + + lua_setfield(L, -2, "__index"); + luaL_setfuncs_compat(L, server_methods); /* [metatable] */ + + lua_pop(L, 2); + +} + +void ap_lua_push_connection(lua_State *L, conn_rec *c) +{ + req_table_t* t; + lua_boxpointer(L, c); + luaL_getmetatable(L, "Apache2.Connection"); + lua_setmetatable(L, -2); + luaL_getmetatable(L, "Apache2.Connection"); + + t = apr_pcalloc(c->pool, sizeof(req_table_t)); + t->t = c->notes; + t->r = NULL; + t->n = "notes"; + ap_lua_push_apr_table(L, t); + lua_setfield(L, -2, "notes"); + + lua_pushstring(L, c->client_ip); + lua_setfield(L, -2, "client_ip"); + + lua_pop(L, 1); +} + + +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); +} + +void ap_lua_push_request(lua_State *L, request_rec *r) +{ + lua_boxpointer(L, r); + luaL_getmetatable(L, "Apache2.Request"); + lua_setmetatable(L, -2); +} |