diff options
Diffstat (limited to 'modules/lua')
-rw-r--r-- | modules/lua/NWGNUmakefile | 11 | ||||
-rw-r--r-- | modules/lua/README | 10 | ||||
-rw-r--r-- | modules/lua/config.m4 | 2 | ||||
-rw-r--r-- | modules/lua/lua_apr.c | 35 | ||||
-rw-r--r-- | modules/lua/lua_apr.h | 17 | ||||
-rw-r--r-- | modules/lua/lua_config.c | 4 | ||||
-rw-r--r-- | modules/lua/lua_config.h | 4 | ||||
-rw-r--r-- | modules/lua/lua_dbd.c | 7 | ||||
-rw-r--r-- | modules/lua/lua_dbd.h | 2 | ||||
-rw-r--r-- | modules/lua/lua_passwd.c | 178 | ||||
-rw-r--r-- | modules/lua/lua_passwd.h | 91 | ||||
-rw-r--r-- | modules/lua/lua_request.c | 1533 | ||||
-rw-r--r-- | modules/lua/lua_request.h | 20 | ||||
-rw-r--r-- | modules/lua/lua_vmprep.c | 198 | ||||
-rw-r--r-- | modules/lua/lua_vmprep.h | 53 | ||||
-rw-r--r-- | modules/lua/mod_lua.c | 660 | ||||
-rw-r--r-- | modules/lua/mod_lua.dsp | 8 | ||||
-rw-r--r-- | modules/lua/mod_lua.h | 19 |
18 files changed, 2725 insertions, 127 deletions
diff --git a/modules/lua/NWGNUmakefile b/modules/lua/NWGNUmakefile index be418cfe..15e6c91e 100644 --- a/modules/lua/NWGNUmakefile +++ b/modules/lua/NWGNUmakefile @@ -26,10 +26,10 @@ include $(AP_WORK)/build/NWGNUhead.inc XINCDIRS += \ $(APR)/include \ $(APRUTIL)/include \ - $(AP_WORK)/include \ - $(AP_WORK)/modules/database \ - $(AP_WORK)/modules/http \ - $(AP_WORK)/modules/ssl \ + $(SRC)/include \ + $(STDMOD)/database \ + $(STDMOD)/http \ + $(STDMOD)/ssl \ $(NWOS) \ $(LUASRC)/src \ $(EOLIST) @@ -129,7 +129,7 @@ NLM_VERSION = # # If this is specified, it will override the default of 64K # -NLM_STACK_SIZE = 8192 +NLM_STACK_SIZE = 131072 # @@ -181,6 +181,7 @@ FILES_nlm_objs = \ $(OBJDIR)/mod_lua.o \ $(OBJDIR)/lua_apr.o \ $(OBJDIR)/lua_config.o \ + $(OBJDIR)/lua_passwd.o \ $(OBJDIR)/lua_request.o \ $(OBJDIR)/lua_vmprep.o \ $(OBJDIR)/lua_dbd.o \ diff --git a/modules/lua/README b/modules/lua/README index c614b3e2..0be0adeb 100644 --- a/modules/lua/README +++ b/modules/lua/README @@ -38,13 +38,10 @@ * Task List ** TODO Use r->file to determine file, doing rewriting in translate_name -** TODO Change to controlling lifecycle by passing in a pool? - Need to determine how to handle server scoped then! ** TODO Provide means to get useful output from lua errors in response body Probably have to put it on the vm spec for pre-handler errors, as it is pre-handler, will prolly be on the request_config somewhere, but sometimes cannot put there, so... fun -** TODO Filters ** TODO Mapping in the server_rec ** TODO Connection scoped vms ** TODO Figure out how reentrancy works regarding filter chain stuff. @@ -52,14 +49,10 @@ ** TODO Flesh out apw_*getvm for each flavor we allow ** TODO Rework apw_sgetvm to use the create_vm stuff like apw_rgetvm ** TODO apw_rgetvm needs to handle connection scoped vms -** TODO options in server scoped vms (ie, min and max vm counts) ** TODO provide means to implement authn and authz providers ** TODO: Flatten LuaHook* to LuaHook phase file fn ? -** TODO: Lua and ap_expr integration in one or both directions ** TODO: document or remove block sections ** TODO: test per-dir behavior of block sections -** TODO: Catch-up documentation on r: methods -** TODO: 500 errors instead of 404 with AddHandler lua-script ** TODO: Suppress internal details (fs path to scripts, etc) in error responses * License @@ -82,3 +75,6 @@ ** Brian Akins ** Justin Erenkrantz ** Philip M. Gollucci +** Stefan Fritsch +** Eric Covener +** Daniel Gruno diff --git a/modules/lua/config.m4 b/modules/lua/config.m4 index 2d1ac052..8a7a11bf 100644 --- a/modules/lua/config.m4 +++ b/modules/lua/config.m4 @@ -136,7 +136,7 @@ else fi ]) -lua_objects="lua_apr.lo lua_config.lo mod_lua.lo lua_request.lo lua_vmprep.lo lua_dbd.lo" +lua_objects="lua_apr.lo lua_config.lo mod_lua.lo lua_request.lo lua_vmprep.lo lua_dbd.lo lua_passwd.lo" APACHE_MODULE(lua, Apache Lua Framework, $lua_objects, , , [ CHECK_LUA() diff --git a/modules/lua/lua_apr.c b/modules/lua/lua_apr.c index c93ea9b1..8a1dcf68 100644 --- a/modules/lua/lua_apr.c +++ b/modules/lua/lua_apr.c @@ -14,32 +14,20 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -#include "apr.h" -#include "apr_tables.h" #include "mod_lua.h" #include "lua_apr.h" -/** - * make a userdata out of a C pointer, and vice versa - * instead of using lightuserdata - */ -#ifndef lua_boxpointer -#define lua_boxpointer(L,u) (*(void **)(lua_newuserdata(L, sizeof(void *))) = (u)) -#define lua_unboxpointer(L,i) (*(void **)(lua_touserdata(L, i))) -#endif - - -AP_LUA_DECLARE(apr_table_t*) ap_lua_check_apr_table(lua_State *L, int index) +apr_table_t *ap_lua_check_apr_table(lua_State *L, int index) { apr_table_t *t; luaL_checkudata(L, index, "Apr.Table"); - t = (apr_table_t *) lua_unboxpointer(L, index); + t = lua_unboxpointer(L, index); return t; } -AP_LUA_DECLARE(void) ap_lua_push_apr_table(lua_State *L, apr_table_t *t) +void ap_lua_push_apr_table(lua_State *L, apr_table_t *t) { lua_boxpointer(L, t); luaL_getmetatable(L, "Apr.Table"); @@ -48,9 +36,9 @@ AP_LUA_DECLARE(void) ap_lua_push_apr_table(lua_State *L, apr_table_t *t) static int lua_table_set(lua_State *L) { - apr_table_t *t = ap_lua_check_apr_table(L, 1); - const char *key = luaL_checkstring(L, 2); - const char *val = luaL_checkstring(L, 3); + apr_table_t *t = ap_lua_check_apr_table(L, 1); + const char *key = luaL_checkstring(L, 2); + const char *val = luaL_checkstring(L, 3); apr_table_set(t, key, val); return 0; @@ -58,9 +46,9 @@ static int lua_table_set(lua_State *L) static int lua_table_get(lua_State *L) { - apr_table_t *t = ap_lua_check_apr_table(L, 1); - const char *key = luaL_checkstring(L, 2); - const char *val = apr_table_get(t, key); + apr_table_t *t = ap_lua_check_apr_table(L, 1); + const char *key = luaL_checkstring(L, 2); + const char *val = apr_table_get(t, key); lua_pushstring(L, val); return 1; } @@ -72,7 +60,7 @@ static const luaL_Reg lua_table_methods[] = { }; -AP_LUA_DECLARE(int) ap_lua_init(lua_State *L, apr_pool_t *p) +int ap_lua_init(lua_State *L, apr_pool_t *p) { luaL_newmetatable(L, "Apr.Table"); luaL_register(L, "apr_table", lua_table_methods); @@ -88,3 +76,6 @@ AP_LUA_DECLARE(int) ap_lua_init(lua_State *L, apr_pool_t *p) return 0; } + + + diff --git a/modules/lua/lua_apr.h b/modules/lua/lua_apr.h index c66cdde9..8a1428ff 100644 --- a/modules/lua/lua_apr.h +++ b/modules/lua/lua_apr.h @@ -18,8 +18,19 @@ #ifndef _LUA_APR_H_ #define _LUA_APR_H_ -AP_LUA_DECLARE(int) ap_lua_init(lua_State *L, apr_pool_t * p); -AP_LUA_DECLARE(apr_table_t*) ap_lua_check_apr_table(lua_State *L, int index); -AP_LUA_DECLARE(void) ap_lua_push_apr_table(lua_State *L, apr_table_t *t); +#include "scoreboard.h" +#include "http_main.h" +#include "ap_mpm.h" +#include "apr_md5.h" +#include "apr_sha1.h" +#include "apr_poll.h" +#include "apr.h" +#include "apr_tables.h" +#include "apr_base64.h" + + +int ap_lua_init(lua_State *L, apr_pool_t * p); +apr_table_t *ap_lua_check_apr_table(lua_State *L, int index); +void ap_lua_push_apr_table(lua_State *L, apr_table_t *t); #endif /* !_LUA_APR_H_ */ diff --git a/modules/lua/lua_config.c b/modules/lua/lua_config.c index 07dd932b..bb082380 100644 --- a/modules/lua/lua_config.c +++ b/modules/lua/lua_config.c @@ -51,7 +51,7 @@ static int apl_toscope(const char *name) return AP_LUA_SCOPE_ONCE; } -AP_LUA_DECLARE(apr_status_t) ap_lua_map_handler(ap_lua_dir_cfg *cfg, +apr_status_t ap_lua_map_handler(ap_lua_dir_cfg *cfg, const char *file, const char *function, const char *pattern, @@ -257,7 +257,7 @@ static const struct luaL_Reg cmd_methods[] = { {NULL, NULL} }; -AP_LUA_DECLARE(void) ap_lua_load_config_lmodule(lua_State *L) +void ap_lua_load_config_lmodule(lua_State *L) { luaL_newmetatable(L, "Apache2.DirConfig"); /* [metatable] */ lua_pushvalue(L, -1); diff --git a/modules/lua/lua_config.h b/modules/lua/lua_config.h index d2689da1..8a778ad8 100644 --- a/modules/lua/lua_config.h +++ b/modules/lua/lua_config.h @@ -20,9 +20,9 @@ #ifndef _APL_CONFIG_H_ #define _APL_CONFIG_H_ -AP_LUA_DECLARE(void) ap_lua_load_config_lmodule(lua_State *L); +void ap_lua_load_config_lmodule(lua_State *L); -AP_LUA_DECLARE(apr_status_t) ap_lua_map_handler(ap_lua_dir_cfg *cfg, +apr_status_t ap_lua_map_handler(ap_lua_dir_cfg *cfg, const char *file, const char *function, const char *pattern, diff --git a/modules/lua/lua_dbd.c b/modules/lua/lua_dbd.c index 350ec247..501156f8 100644 --- a/modules/lua/lua_dbd.c +++ b/modules/lua/lua_dbd.c @@ -16,7 +16,6 @@ */ #include "mod_lua.h" -#include "lua_apr.h" #include "lua_dbd.h" APLOG_USE_MODULE(lua); @@ -377,7 +376,7 @@ int lua_db_prepared_select(lua_State *L) st = (lua_db_prepared_statement*) lua_topointer(L, -1); /* Check if we got enough variables passed on to us. - * This, of course, only works for prepped statements made through lua. */ + * This, of course, only works for prepared statements made through lua. */ have = lua_gettop(L) - 2; if (st->variables != -1 && have < st->variables ) { lua_pushboolean(L, 0); @@ -468,7 +467,7 @@ int lua_db_prepared_query(lua_State *L) st = (lua_db_prepared_statement*) lua_topointer(L, -1); /* Check if we got enough variables passed on to us. - * This, of course, only works for prepped statements made through lua. */ + * This, of course, only works for prepared statements made through lua. */ have = lua_gettop(L) - 2; if (st->variables != -1 && have < st->variables ) { lua_pushboolean(L, 0); @@ -704,7 +703,7 @@ static lua_db_handle* lua_push_db_handle(lua_State *L, request_rec* r, int type, supported. ============================================================================= */ -AP_LUA_DECLARE(int) lua_db_acquire(lua_State *L) +int lua_db_acquire(lua_State *L) { /*~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ const char *type; diff --git a/modules/lua/lua_dbd.h b/modules/lua/lua_dbd.h index 6f74efd0..566204b1 100644 --- a/modules/lua/lua_dbd.h +++ b/modules/lua/lua_dbd.h @@ -50,7 +50,7 @@ typedef struct { lua_db_handle *db; } lua_db_prepared_statement; -AP_LUA_DECLARE(int) lua_db_acquire(lua_State* L); +int lua_db_acquire(lua_State* L); int lua_db_escape(lua_State* L); int lua_db_close(lua_State* L); int lua_db_prepare(lua_State* L); diff --git a/modules/lua/lua_passwd.c b/modules/lua/lua_passwd.c new file mode 100644 index 00000000..ad865362 --- /dev/null +++ b/modules/lua/lua_passwd.c @@ -0,0 +1,178 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "lua_passwd.h" +#include "apr_strings.h" +#include "apr_errno.h" + +#if APR_HAVE_STDIO_H +#include <stdio.h> +#endif + +#include "apr_md5.h" +#include "apr_sha1.h" + +#if APR_HAVE_TIME_H +#include <time.h> +#endif +#if APR_HAVE_CRYPT_H +#include <crypt.h> +#endif +#if APR_HAVE_STDLIB_H +#include <stdlib.h> +#endif +#if APR_HAVE_STRING_H +#include <string.h> +#endif +#if APR_HAVE_UNISTD_H +#include <unistd.h> +#endif +#if APR_HAVE_IO_H +#include <io.h> +#endif + +static int generate_salt(char *s, size_t size, const char **errstr, + apr_pool_t *pool) +{ + unsigned char rnd[32]; + static const char itoa64[] = + "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + apr_size_t n; + unsigned int val = 0, bits = 0; + apr_status_t rv; + + n = (size * 6 + 7)/8; + if (n > sizeof(rnd)) { + *errstr = apr_psprintf(pool, "generate_salt(): BUG: Buffer too small"); + return ERR_RANDOM; + } + rv = apr_generate_random_bytes(rnd, n); + if (rv) { + *errstr = apr_psprintf(pool, "Unable to generate random bytes: %pm", + &rv); + return ERR_RANDOM; + } + n = 0; + while (size > 0) { + if (bits < 6) { + val |= (rnd[n++] << bits); + bits += 8; + } + *s++ = itoa64[val & 0x3f]; + size--; + val >>= 6; + bits -= 6; + } + *s = '\0'; + return 0; +} + +/* + * Make a password record from the given information. A zero return + * indicates success; on failure, ctx->errstr points to the error message. + */ +int mk_password_hash(passwd_ctx *ctx) +{ + char *pw; + char salt[16]; + apr_status_t rv; + int ret = 0; +#if CRYPT_ALGO_SUPPORTED + char *cbuf; +#endif + + pw = ctx->passwd; + switch (ctx->alg) { + case ALG_APSHA: + /* XXX out >= 28 + strlen(sha1) chars - fixed len SHA */ + apr_sha1_base64(pw, strlen(pw), ctx->out); + break; + + case ALG_APMD5: + ret = generate_salt(salt, 8, &ctx->errstr, ctx->pool); + if (ret != 0) { + ret = ERR_GENERAL; + break; + } + rv = apr_md5_encode(pw, salt, ctx->out, ctx->out_len); + if (rv != APR_SUCCESS) { + ctx->errstr = apr_psprintf(ctx->pool, + "could not encode password: %pm", &rv); + ret = ERR_GENERAL; + } + break; + +#if CRYPT_ALGO_SUPPORTED + case ALG_CRYPT: + ret = generate_salt(salt, 8, &ctx->errstr, ctx->pool); + if (ret != 0) + break; + cbuf = crypt(pw, salt); + if (cbuf == NULL) { + rv = APR_FROM_OS_ERROR(errno); + ctx->errstr = apr_psprintf(ctx->pool, "crypt() failed: %pm", &rv); + ret = ERR_PWMISMATCH; + break; + } + + apr_cpystrn(ctx->out, cbuf, ctx->out_len - 1); + if (strlen(pw) > 8) { + char *truncpw = apr_pstrdup(ctx->pool, pw); + truncpw[8] = '\0'; + if (!strcmp(ctx->out, crypt(truncpw, salt))) { + ctx->errstr = apr_psprintf(ctx->pool, + "Warning: Password truncated to 8 " + "characters by CRYPT algorithm."); + } + memset(truncpw, '\0', strlen(pw)); + } + break; +#endif /* CRYPT_ALGO_SUPPORTED */ + +#if BCRYPT_ALGO_SUPPORTED + case ALG_BCRYPT: + rv = apr_generate_random_bytes((unsigned char*)salt, 16); + if (rv != APR_SUCCESS) { + ctx->errstr = apr_psprintf(ctx->pool, "Unable to generate random " + "bytes: %pm", &rv); + ret = ERR_RANDOM; + break; + } + + if (ctx->cost == 0) + ctx->cost = BCRYPT_DEFAULT_COST; + rv = apr_bcrypt_encode(pw, ctx->cost, (unsigned char*)salt, 16, + ctx->out, ctx->out_len); + if (rv != APR_SUCCESS) { + ctx->errstr = apr_psprintf(ctx->pool, "Unable to encode with " + "bcrypt: %pm", &rv); + ret = ERR_PWMISMATCH; + break; + } + break; +#endif /* BCRYPT_ALGO_SUPPORTED */ + + default: + ctx->errstr = apr_psprintf(ctx->pool, + "mk_password_hash(): unsupported algorithm %d", + ctx->alg); + ret = ERR_GENERAL; + } + memset(pw, '\0', strlen(pw)); + return ret; +} + + diff --git a/modules/lua/lua_passwd.h b/modules/lua/lua_passwd.h new file mode 100644 index 00000000..797556bf --- /dev/null +++ b/modules/lua/lua_passwd.h @@ -0,0 +1,91 @@ +/* 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. + */ + +#ifndef _LUA_PASSWD_H +#define _LUA_PASSWD_H + +#include "apr.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_errno.h" +#include "apr_file_io.h" +#include "apr_general.h" +#include "apr_version.h" +#if !APR_VERSION_AT_LEAST(2,0,0) +#include "apu_version.h" +#endif + +#define MAX_PASSWD_LEN 256 + +#define ALG_APMD5 0 +#define ALG_APSHA 1 +#define ALG_BCRYPT 2 +#define ALG_CRYPT 3 + +#define BCRYPT_DEFAULT_COST 5 + +#define ERR_FILEPERM 1 +#define ERR_SYNTAX 2 +#define ERR_PWMISMATCH 3 +#define ERR_INTERRUPTED 4 +#define ERR_OVERFLOW 5 +#define ERR_BADUSER 6 +#define ERR_INVALID 7 +#define ERR_RANDOM 8 +#define ERR_GENERAL 9 +#define ERR_ALG_NOT_SUPP 10 + +#if defined(WIN32) || defined(NETWARE) +#define CRYPT_ALGO_SUPPORTED 0 +#define PLAIN_ALGO_SUPPORTED 1 +#else +#define CRYPT_ALGO_SUPPORTED 1 +#define PLAIN_ALGO_SUPPORTED 0 +#endif + +#if APR_VERSION_AT_LEAST(2,0,0) || \ + (APU_MAJOR_VERSION == 1 && APU_MINOR_VERSION >= 5) +#define BCRYPT_ALGO_SUPPORTED 1 +#else +#define BCRYPT_ALGO_SUPPORTED 0 +#endif + +typedef struct passwd_ctx passwd_ctx; + +struct passwd_ctx { + apr_pool_t *pool; + const char *errstr; + char *out; + apr_size_t out_len; +// const char *passwd; + char *passwd; + int alg; + int cost; +}; + + +/* + * The following functions return zero on success; otherwise, one of + * the ERR_* codes is returned and an error message is stored in ctx->errstr. + */ + +/* + * Make a password record from the given information. + */ +int mk_password_hash(passwd_ctx *ctx); + +#endif /* _LUA_PASSWD_H */ + diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c index 63b192dc..c2cfb535 100644 --- a/modules/lua/lua_request.c +++ b/modules/lua/lua_request.c @@ -16,23 +16,38 @@ */ #include "mod_lua.h" -#include "util_script.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 <lua.h> + +extern apr_thread_mutex_t* lua_ivm_mutex; 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 apr_table_t *(*req_field_apr_table_f) (request_rec * r); + void ap_lua_rstack_dump(lua_State *L, request_rec *r, const char *msg) { int i; int top = lua_gettop(L); - ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(01484) "Lua Stack Dump: [%s]", msg); - for (i = 1; i <= top; i++) { int t = lua_type(L, i); switch (t) { @@ -153,6 +168,87 @@ static int req_aprtable2luatable_cb(void *l, const char *key, return 1; } + +/* + ======================================================================================================================= + lua_read_body(request_rec *r, const char **rbuf, apr_off_t *size): Reads any additional form data sent in POST/PUT + requests. Used for multipart POST data. + ======================================================================================================================= + */ +static int lua_read_body(request_rec *r, const char **rbuf, apr_off_t *size) +{ + int rc = OK; + + if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR))) { + return (rc); + } + if (ap_should_client_block(r)) { + + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ + char argsbuffer[HUGE_STRING_LEN]; + apr_off_t rsize, len_read, rpos = 0; + apr_off_t length = r->remaining; + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ + + *rbuf = (const char *) apr_pcalloc(r->pool, (apr_size_t) (length + 1)); + *size = length; + while ((len_read = ap_get_client_block(r, argsbuffer, sizeof(argsbuffer))) > 0) { + if ((rpos + len_read) > length) { + rsize = length - rpos; + } + else { + rsize = len_read; + } + + memcpy((char *) *rbuf + rpos, argsbuffer, (size_t) rsize); + rpos += rsize; + } + } + + return (rc); +} + + +/* + * ======================================================================================================================= + * lua_write_body: Reads any additional form data sent in POST/PUT requests + * and writes to a file. + * ======================================================================================================================= + */ +static apr_status_t lua_write_body(request_rec *r, apr_file_t *file, apr_off_t *size) +{ + apr_status_t rc = OK; + + if ((rc = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR))) + return rc; + if (ap_should_client_block(r)) { + char argsbuffer[HUGE_STRING_LEN]; + apr_off_t rsize, + len_read, + rpos = 0; + apr_off_t length = r->remaining; + apr_size_t written; + + *size = length; + while ((len_read = + ap_get_client_block(r, argsbuffer, + sizeof(argsbuffer))) > 0) { + if ((rpos + len_read) > length) + rsize = (apr_size_t) length - rpos; + else + rsize = len_read; + + rc = apr_file_write_full(file, argsbuffer, (apr_size_t) rsize, + &written); + if (written != rsize || rc != OK) + return APR_ENOSPC; + rpos += rsize; + } + } + + return rc; +} + /* r:parseargs() returning a lua table */ static int req_parseargs(lua_State *L) { @@ -165,7 +261,7 @@ static int req_parseargs(lua_State *L) return 2; /* [table<string, string>, table<string, array<string>>] */ } -/* r:parsebody() returning a lua table */ +/* 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; @@ -173,26 +269,127 @@ static int req_parsebody(lua_State *L) int res; apr_size_t size; apr_size_t max_post_size; - char *buffer; + char *multipart; + const char *contentType; request_rec *r = ap_lua_check_request_rec(L, 1); max_post_size = (apr_size_t) luaL_optint(L, 2, MAX_STRING_LEN); + multipart = apr_pcalloc(r->pool, 256); + contentType = apr_table_get(r->headers_in, "Content-Type"); lua_newtable(L); - lua_newtable(L); /* [table, table] */ - 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); + lua_newtable(L); /* [table, table] */ + if (contentType != NULL && (sscanf(contentType, "multipart/form-data; boundary=%250c", multipart) == 1)) { + char *buffer, *key, *filename; + char *start = 0, *end = 0, *crlf = 0; + const char *data; + int i; + size_t vlen = 0; + size_t len = 0; + if (lua_read_body(r, &data, (apr_off_t*) &size) != OK) { + return 2; + } + len = strlen(multipart); + i = 0; + for + ( + start = strstr((char *) data, multipart); + start != start + size; + start = end + ) { + i++; + if (i == POST_MAX_VARS) break; + end = strstr((char *) (start + 1), multipart); + if (!end) end = start + size; + crlf = strstr((char *) start, "\r\n\r\n"); + if (!crlf) break; + key = (char *) apr_pcalloc(r->pool, 256); + filename = (char *) apr_pcalloc(r->pool, 256); + vlen = end - crlf - 8; + buffer = (char *) apr_pcalloc(r->pool, vlen+1); + memcpy(buffer, crlf + 4, vlen); + sscanf(start + len + 2, + "Content-Disposition: form-data; name=\"%255[^\"]\"; filename=\"%255[^\"]\"", + key, filename); + if (strlen(key)) { + req_aprtable2luatable_cb(L, key, buffer); + } + } + } + else { + char *buffer; + res = ap_parse_form_data(r, NULL, &pairs, -1, max_post_size); + if (res == OK) { + while(pairs && !apr_is_empty_array(pairs)) { + ap_form_pair_t *pair = (ap_form_pair_t *) apr_array_pop(pairs); + apr_brigade_length(pair->value, 1, &len); + size = (apr_size_t) len; + buffer = apr_palloc(r->pool, size + 1); + apr_brigade_flatten(pair->value, buffer, &size); + buffer[len] = 0; + req_aprtable2luatable_cb(L, pair->name, buffer); + } } } return 2; /* [table<string, string>, table<string, array<string>>] */ } + +/* + * lua_ap_requestbody; r:requestbody([filename]) - Reads or stores the request + * body + */ +static int lua_ap_requestbody(lua_State *L) +{ + const char *filename; + request_rec *r; + apr_off_t maxSize; + + r = ap_lua_check_request_rec(L, 1); + filename = luaL_optstring(L, 2, 0); + maxSize = luaL_optint(L, 3, 0); + + if (r) { + apr_off_t size; + if (maxSize > 0 && r->remaining > maxSize) { + lua_pushnil(L); + lua_pushliteral(L, "Request body was larger than the permitted size."); + return 2; + } + if (r->method_number != M_POST && r->method_number != M_PUT) + return (0); + if (!filename) { + const char *data; + + if (lua_read_body(r, &data, &size) != OK) + return (0); + + lua_pushlstring(L, data, (size_t) size); + lua_pushinteger(L, (lua_Integer) size); + return (2); + } else { + apr_status_t rc; + apr_file_t *file; + + rc = apr_file_open(&file, filename, APR_CREATE | APR_FOPEN_WRITE, + APR_FPROT_OS_DEFAULT, r->pool); + lua_settop(L, 0); + if (rc == APR_SUCCESS) { + rc = lua_write_body(r, file, &size); + apr_file_close(file); + if (rc != OK) { + lua_pushboolean(L, 0); + return 1; + } + lua_pushinteger(L, (lua_Integer) size); + return (1); + } else + lua_pushboolean(L, 0); + return (1); + } + } + + return (0); +} + /* wrap ap_rputs as r:puts(String) */ static int req_puts(lua_State *L) { @@ -212,10 +409,12 @@ 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); - ap_rwrite((void *) buf, n, r); - return 0; + rv = ap_rwrite((void *) buf, n, r); + lua_pushinteger(L, rv); + return 1; } /* r:addoutputfilter(name|function) */ @@ -246,6 +445,7 @@ static int req_escape_html(lua_State *L) 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) { @@ -256,6 +456,7 @@ static int req_ssl_var_lookup(lua_State *L) lua_pushstring(L, res); return 1; } + /* BEGIN dispatch mathods for request_rec fields */ /* not really a field, but we treat it like one */ @@ -372,6 +573,11 @@ 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; @@ -412,7 +618,1095 @@ static int req_ssl_is_https_field(request_rec *r) return ap_lua_ssl_is_https(r->connection); } -/* END dispatch mathods for request_rec fields */ +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); + return apr_psprintf(r->pool, "%s %s %s %s %s %s", (opts&OR_NONE) ? "None" : "", (opts&OR_LIMIT) ? "Limit" : "", (opts&OR_OPTIONS) ? "Options" : "", (opts&OR_FILEINFO) ? "FileInfo" : "", (opts&OR_AUTHCFG) ? "AuthCfg" : "", (opts&OR_INDEXES) ? "Indexes" : "" ); +} + +static int lua_ap_started(request_rec* r) +{ + return (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 = luaL_optnumber(L, 3, 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; + + luaL_checktype(L, 1, LUA_TUSERDATA); + luaL_checktype(L, 2, LUA_TNUMBER); + luaL_checktype(L, 3, LUA_TNUMBER); + i = lua_tointeger(L, 2); + j = lua_tointeger(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, (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, "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 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_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) { @@ -463,7 +1757,7 @@ static int req_dispatch(lua_State *L) ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01489) "request_rec->dispatching %s -> int", name); rs = (*func) (r); - lua_pushnumber(L, rs); + lua_pushinteger(L, rs); return 1; } case APL_REQ_FUNTYPE_BOOLEAN:{ @@ -532,6 +1826,67 @@ 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; + 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_thread_mutex_lock(lua_ivm_mutex); + apr_pool_userdata_get((void **)&object, raw_key, r->server->process->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_thread_mutex_unlock(lua_ivm_mutex); + return 1; + } + else { + apr_thread_mutex_unlock(lua_ivm_mutex); + return 0; + } +} + + +static int lua_ivm_set(lua_State *L) +{ + const char *key, *raw_key; + const char *value = NULL; + 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_thread_mutex_lock(lua_ivm_mutex); + apr_pool_userdata_get((void **)&object, raw_key, r->server->process->pool); + if (!object) { + object = apr_pcalloc(r->server->process->pool, sizeof(lua_ivm_object)); + ap_varbuf_init(r->server->process->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, r->server->process->pool); + apr_thread_mutex_unlock(lua_ivm_mutex); + return 0; +} + #define APLUA_REQ_TRACE(lev) static int req_trace##lev(lua_State *L) \ { \ return req_log_at(L, APLOG_TRACE##lev); \ @@ -623,6 +1978,21 @@ 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} @@ -637,7 +2007,7 @@ static req_fun_t *makefun(const void *fun, int type, apr_pool_t *pool) return rft; } -AP_LUA_DECLARE(void) ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p) +void ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p) { apr_hash_t *dispatch = apr_hash_make(p); @@ -752,10 +2122,121 @@ AP_LUA_DECLARE(void) ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p) makefun(&req_notes, APL_REQ_FUNTYPE_TABLE, p)); apr_hash_set(dispatch, "subprocess_env", APR_HASH_KEY_STRING, makefun(&req_subprocess_env, APL_REQ_FUNTYPE_TABLE, p)); + apr_hash_set(dispatch, "flush", APR_HASH_KEY_STRING, + makefun(&lua_ap_rflush, APL_REQ_FUNTYPE_LUACFUN, p)); + apr_hash_set(dispatch, "port", APR_HASH_KEY_STRING, + makefun(&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)); + lua_pushlightuserdata(L, dispatch); lua_setfield(L, LUA_REGISTRYINDEX, "Apache2.Request.dispatch"); @@ -785,7 +2266,7 @@ AP_LUA_DECLARE(void) ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p) } -AP_LUA_DECLARE(void) ap_lua_push_connection(lua_State *L, conn_rec *c) +void ap_lua_push_connection(lua_State *L, conn_rec *c) { lua_boxpointer(L, c); luaL_getmetatable(L, "Apache2.Connection"); @@ -802,7 +2283,7 @@ AP_LUA_DECLARE(void) ap_lua_push_connection(lua_State *L, conn_rec *c) } -AP_LUA_DECLARE(void) ap_lua_push_server(lua_State *L, server_rec *s) +void ap_lua_push_server(lua_State *L, server_rec *s) { lua_boxpointer(L, s); luaL_getmetatable(L, "Apache2.Server"); @@ -815,7 +2296,7 @@ AP_LUA_DECLARE(void) ap_lua_push_server(lua_State *L, server_rec *s) lua_pop(L, 1); } -AP_LUA_DECLARE(void) ap_lua_push_request(lua_State *L, request_rec *r) +void ap_lua_push_request(lua_State *L, request_rec *r) { lua_boxpointer(L, r); luaL_getmetatable(L, "Apache2.Request"); diff --git a/modules/lua/lua_request.h b/modules/lua/lua_request.h index ad272dc9..b5ed3e5f 100644 --- a/modules/lua/lua_request.h +++ b/modules/lua/lua_request.h @@ -15,15 +15,16 @@ * limitations under the License. */ -#include "mod_lua.h" - #ifndef _LUA_REQUEST_H_ #define _LUA_REQUEST_H_ -AP_LUA_DECLARE(void) ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p); -AP_LUA_DECLARE(void) ap_lua_push_connection(lua_State *L, conn_rec *r); -AP_LUA_DECLARE(void) ap_lua_push_server(lua_State *L, server_rec *r); -AP_LUA_DECLARE(void) ap_lua_push_request(lua_State *L, request_rec *r); +#include "mod_lua.h" +#include "util_varbuf.h" + +void ap_lua_load_request_lmodule(lua_State *L, apr_pool_t *p); +void ap_lua_push_connection(lua_State *L, conn_rec *r); +void ap_lua_push_server(lua_State *L, server_rec *r); +void ap_lua_push_request(lua_State *L, request_rec *r); #define APL_REQ_FUNTYPE_STRING 1 #define APL_REQ_FUNTYPE_INT 2 @@ -37,5 +38,12 @@ typedef struct int type; } req_fun_t; +typedef struct { + int type; + size_t size; + size_t vb_size; + lua_Number number; + struct ap_varbuf vb; +} lua_ivm_object; #endif /* !_LUA_REQUEST_H_ */ diff --git a/modules/lua/lua_vmprep.c b/modules/lua/lua_vmprep.c index e821fee3..b0eb01c4 100644 --- a/modules/lua/lua_vmprep.c +++ b/modules/lua/lua_vmprep.c @@ -23,6 +23,27 @@ APLOG_USE_MODULE(lua); +#ifndef AP_LUA_MODULE_EXT +#if defined(NETWARE) +#define AP_LUA_MODULE_EXT ".nlm" +#elif defined(WIN32) +#define AP_LUA_MODULE_EXT ".dll" +#elif (defined(__hpux__) || defined(__hpux)) && !defined(__ia64) +#define AP_LUA_MODULE_EXT ".sl" +#else +#define AP_LUA_MODULE_EXT ".so" +#endif +#endif + +#if APR_HAS_THREADS + apr_thread_mutex_t *ap_lua_mutex; + +void ap_lua_init_mutex(apr_pool_t *pool, server_rec *s) +{ + apr_thread_mutex_create(&ap_lua_mutex, APR_THREAD_MUTEX_DEFAULT, pool); +} +#endif + /* forward dec'l from this file */ #if 0 @@ -99,7 +120,7 @@ static void pstack_dump(lua_State *L, apr_pool_t *r, int level, #define makeintegerfield(L, n) lua_pushinteger(L, n); lua_setfield(L, -2, #n) -AP_LUA_DECLARE(void) ap_lua_load_apache2_lmodule(lua_State *L) +void ap_lua_load_apache2_lmodule(lua_State *L) { lua_getglobal(L, "package"); lua_getfield(L, -1, "loaded"); @@ -127,7 +148,7 @@ AP_LUA_DECLARE(void) ap_lua_load_apache2_lmodule(lua_State *L) makeintegerfield(L, AUTHZ_NEUTRAL); makeintegerfield(L, AUTHZ_GENERAL_ERROR); makeintegerfield(L, AUTHZ_DENIED_NO_USER); - + /* makeintegerfield(L, HTTP_CONTINUE); makeintegerfield(L, HTTP_SWITCHING_PROTOCOLS); @@ -201,6 +222,16 @@ static apr_status_t cleanup_lua(void *l) return APR_SUCCESS; } +static apr_status_t server_cleanup_lua(void *resource) +{ + ap_lua_server_spec* spec = (ap_lua_server_spec*) resource; + AP_DEBUG_ASSERT(spec != NULL); + if (spec->L != NULL) { + lua_close((lua_State *) spec->L); + } + return APR_SUCCESS; +} + /* munge_path(L, "path", @@ -295,8 +326,11 @@ static apr_status_t vm_construct(lua_State **vm, void *params, apr_pool_t *lifec spec->file); } if (spec->package_cpaths) { - munge_path(L, "cpath", "?.so", "./?.so", lifecycle_pool, - spec->package_cpaths, spec->file); + munge_path(L, + "cpath", "?" AP_LUA_MODULE_EXT, "./?" AP_LUA_MODULE_EXT, + lifecycle_pool, + spec->package_cpaths, + spec->file); } if (spec->cb) { @@ -333,33 +367,155 @@ static apr_status_t vm_construct(lua_State **vm, void *params, apr_pool_t *lifec return APR_SUCCESS; } +static ap_lua_vm_spec* copy_vm_spec(apr_pool_t* pool, ap_lua_vm_spec* spec) +{ + ap_lua_vm_spec* copied_spec = apr_pcalloc(pool, sizeof(ap_lua_vm_spec)); + copied_spec->bytecode_len = spec->bytecode_len; + copied_spec->bytecode = apr_pstrdup(pool, spec->bytecode); + copied_spec->cb = spec->cb; + copied_spec->cb_arg = NULL; + copied_spec->file = apr_pstrdup(pool, spec->file); + copied_spec->package_cpaths = apr_array_copy(pool, spec->package_cpaths); + copied_spec->package_paths = apr_array_copy(pool, spec->package_paths); + copied_spec->pool = pool; + copied_spec->scope = AP_LUA_SCOPE_SERVER; + copied_spec->codecache = spec->codecache; + return copied_spec; +} + +static apr_status_t server_vm_construct(lua_State **resource, void *params, apr_pool_t *pool) +{ + lua_State* L; + ap_lua_server_spec* spec = apr_pcalloc(pool, sizeof(ap_lua_server_spec)); + *resource = NULL; + if (vm_construct(&L, params, pool) == APR_SUCCESS) { + spec->finfo = apr_pcalloc(pool, sizeof(ap_lua_finfo)); + if (L != NULL) { + spec->L = L; + *resource = (void*) spec; + lua_pushlightuserdata(L, spec); + lua_setfield(L, LUA_REGISTRYINDEX, "Apache2.Lua.server_spec"); + return APR_SUCCESS; + } + } + return APR_EGENERAL; +} + /** * Function used to create a lua_State instance bound into the web * server in the appropriate scope. */ -AP_LUA_DECLARE(lua_State*)ap_lua_get_lua_state(apr_pool_t *lifecycle_pool, - ap_lua_vm_spec *spec) +lua_State *ap_lua_get_lua_state(apr_pool_t *lifecycle_pool, + ap_lua_vm_spec *spec, request_rec* r) { lua_State *L = NULL; - - if (apr_pool_userdata_get((void **)&L, spec->file, - lifecycle_pool) == APR_SUCCESS) { - - if(L==NULL) { + ap_lua_finfo *cache_info = NULL; + int tryCache = 0; + + if (spec->scope == AP_LUA_SCOPE_SERVER) { + char *hash; + apr_reslist_t* reslist = NULL; + ap_lua_server_spec* sspec = NULL; + hash = apr_psprintf(r->pool, "reslist:%s", spec->file); +#if APR_HAS_THREADS + apr_thread_mutex_lock(ap_lua_mutex); +#endif + if (apr_pool_userdata_get((void **)&reslist, hash, + r->server->process->pool) == APR_SUCCESS) { + if (reslist != NULL) { + if (apr_reslist_acquire(reslist, (void**) &sspec) == APR_SUCCESS) { + L = sspec->L; + cache_info = sspec->finfo; + } + } + } + if (L == NULL) { + ap_lua_vm_spec* server_spec = copy_vm_spec(r->server->process->pool, spec); + if ( + apr_reslist_create(&reslist, spec->vm_min, spec->vm_max, spec->vm_max, 0, + (apr_reslist_constructor) server_vm_construct, + (apr_reslist_destructor) server_cleanup_lua, + server_spec, r->server->process->pool) + == APR_SUCCESS && reslist != NULL) { + apr_pool_userdata_set(reslist, hash, NULL, + r->server->process->pool); + if (apr_reslist_acquire(reslist, (void**) &sspec) == APR_SUCCESS) { + L = sspec->L; + cache_info = sspec->finfo; + } + else { + return NULL; + } + } + } +#if APR_HAS_THREADS + apr_thread_mutex_unlock(ap_lua_mutex); +#endif + } + else { + if (apr_pool_userdata_get((void **)&L, spec->file, + lifecycle_pool) != APR_SUCCESS) { + L = NULL; + } + } + if (L == NULL) { ap_log_perror(APLOG_MARK, APLOG_DEBUG, 0, lifecycle_pool, APLOGNO(01483) - "creating lua_State with file %s", spec->file); + "creating lua_State with file %s", spec->file); /* not available, so create */ - - if(!vm_construct(&L, spec, lifecycle_pool)) { - AP_DEBUG_ASSERT(L != NULL); - apr_pool_userdata_set(L, - spec->file, - cleanup_lua, - lifecycle_pool); + + if (!vm_construct(&L, spec, lifecycle_pool)) { + AP_DEBUG_ASSERT(L != NULL); + apr_pool_userdata_set(L, spec->file, cleanup_lua, lifecycle_pool); + } + } + + if (spec->codecache == AP_LUA_CACHE_FOREVER || (spec->bytecode && spec->bytecode_len > 0)) { + tryCache = 1; + } + else { + char* mkey; + if (spec->scope != AP_LUA_SCOPE_SERVER) { + mkey = apr_psprintf(r->pool, "ap_lua_modified:%s", spec->file); + apr_pool_userdata_get((void **)&cache_info, mkey, lifecycle_pool); + if (cache_info == NULL) { + cache_info = apr_pcalloc(lifecycle_pool, sizeof(ap_lua_finfo)); + apr_pool_userdata_set((void*) cache_info, mkey, NULL, lifecycle_pool); + } + } + if (spec->codecache == AP_LUA_CACHE_STAT) { + apr_finfo_t lua_finfo; + apr_stat(&lua_finfo, spec->file, APR_FINFO_MTIME|APR_FINFO_SIZE, lifecycle_pool); + + /* On first visit, modified will be zero, but that's fine - The file is + loaded in the vm_construct function. + */ + if ((cache_info->modified == lua_finfo.mtime && cache_info->size == lua_finfo.size) + || cache_info->modified == 0) { + tryCache = 1; + } + cache_info->modified = lua_finfo.mtime; + cache_info->size = lua_finfo.size; + } + else if (spec->codecache == AP_LUA_CACHE_NEVER) { + if (cache_info->runs == 0) + tryCache = 1; + } + cache_info->runs++; + } + if (tryCache == 0 && spec->scope != AP_LUA_SCOPE_ONCE) { + int rc; + ap_log_perror(APLOG_MARK, APLOG_DEBUG, 0, lifecycle_pool, APLOGNO(02332) + "(re)loading lua file %s", spec->file); + rc = luaL_loadfile(L, spec->file); + if (rc != 0) { + ap_log_perror(APLOG_MARK, APLOG_ERR, 0, lifecycle_pool, APLOGNO(02333) + "Error loading %s: %s", spec->file, + rc == LUA_ERRMEM ? "memory allocation error" + : lua_tostring(L, 0)); + return 0; } - } + lua_pcall(L, 0, LUA_MULTRET, 0); } - /*}*/ return L; } diff --git a/modules/lua/lua_vmprep.h b/modules/lua/lua_vmprep.h index 1d3758ca..e46ac9b8 100644 --- a/modules/lua/lua_vmprep.h +++ b/modules/lua/lua_vmprep.h @@ -29,6 +29,7 @@ #include "apr_file_info.h" #include "apr_time.h" #include "apr_pools.h" +#include "apr_reslist.h" #ifndef VMPREP_H @@ -39,11 +40,18 @@ #define AP_LUA_SCOPE_REQUEST 2 #define AP_LUA_SCOPE_CONN 3 #define AP_LUA_SCOPE_THREAD 4 +#define AP_LUA_SCOPE_SERVER 5 +#define AP_LUA_CACHE_UNSET 0 +#define AP_LUA_CACHE_NEVER 1 +#define AP_LUA_CACHE_STAT 2 +#define AP_LUA_CACHE_FOREVER 3 + +#define AP_LUA_FILTER_INPUT 1 +#define AP_LUA_FILTER_OUTPUT 2 typedef void (*ap_lua_state_open_callback) (lua_State *L, apr_pool_t *p, void *ctx); - /** * Specification for a lua virtual machine */ @@ -56,8 +64,10 @@ typedef struct /* name of base file to load in the vm */ const char *file; - /* APL_SCOPE_ONCE | APL_SCOPE_REQUEST | APL_SCOPE_CONN | APL_SCOPE_THREAD */ + /* APL_SCOPE_ONCE | APL_SCOPE_REQUEST | APL_SCOPE_CONN | APL_SCOPE_THREAD | APL_SCOPE_SERVER */ int scope; + unsigned int vm_min; + unsigned int vm_max; ap_lua_state_open_callback cb; void* cb_arg; @@ -71,6 +81,8 @@ typedef struct */ const char *bytecode; apr_size_t bytecode_len; + + int codecache; } ap_lua_vm_spec; typedef struct @@ -81,18 +93,32 @@ typedef struct ap_regex_t *uri_pattern; const char *bytecode; apr_size_t bytecode_len; + int codecache; } ap_lua_mapped_handler_spec; -/* remove and make static once out of mod_wombat.c */ -AP_LUA_DECLARE(void) ap_lua_openlibs(lua_State *L); +typedef struct +{ + const char *function_name; + const char *file_name; + const char* filter_name; + int direction; /* AP_LUA_FILTER_INPUT | AP_LUA_FILTER_OUTPUT */ +} ap_lua_filter_handler_spec; -/* remove and make static once out of mod_wombat.c */ -AP_LUA_DECLARE(void) ap_lua_registerlib(lua_State *L, char *name, lua_CFunction f); +typedef struct { + apr_size_t runs; + apr_time_t modified; + apr_off_t size; +} ap_lua_finfo; + +typedef struct { + lua_State* L; + ap_lua_finfo* finfo; +} ap_lua_server_spec; /** * Fake out addition of the "apache2" module */ -AP_LUA_DECLARE(void) ap_lua_load_apache2_lmodule(lua_State *L); +void ap_lua_load_apache2_lmodule(lua_State *L); /* * alternate means of getting lua_State (preferred eventually) @@ -106,9 +132,16 @@ AP_LUA_DECLARE(void) ap_lua_load_apache2_lmodule(lua_State *L); * @cb callback for vm initialization called *before* the file is opened * @ctx a baton passed to cb */ -AP_LUA_DECLARE(lua_State*) ap_lua_get_lua_state(apr_pool_t *lifecycle_pool, - ap_lua_vm_spec *spec); - +lua_State *ap_lua_get_lua_state(apr_pool_t *lifecycle_pool, + ap_lua_vm_spec *spec, request_rec* r); +#if APR_HAS_THREADS || defined(DOXYGEN) +/* + * Initialize mod_lua mutex. + * @pool pool for mutex + * @s server_rec for logging + */ +void ap_lua_init_mutex(apr_pool_t *pool, server_rec *s); +#endif #endif diff --git a/modules/lua/mod_lua.c b/modules/lua/mod_lua.c index b5b626d1..7c35011e 100644 --- a/modules/lua/mod_lua.c +++ b/modules/lua/mod_lua.c @@ -19,6 +19,7 @@ #include <string.h> #include <stdlib.h> #include <ctype.h> +#include <apr_thread_mutex.h> #include "lua_apr.h" #include "lua_config.h" @@ -55,6 +56,15 @@ typedef struct { apr_hash_t *lua_authz_providers; +typedef struct +{ + apr_bucket_brigade *tmpBucket; + lua_State *L; + ap_lua_vm_spec *spec; + int broken; +} lua_filter_ctx; + +apr_thread_mutex_t* lua_ivm_mutex = NULL; /** * error reporting if lua has an error. @@ -65,7 +75,6 @@ static void report_lua_error(lua_State *L, request_rec *r) const char *lua_response; r->status = HTTP_INTERNAL_SERVER_ERROR; r->content_type = "text/html"; - ap_rputs("<b>Error!</b>\n", r); ap_rputs("<p>", r); lua_response = lua_tostring(L, -1); @@ -103,9 +112,31 @@ static const char *scope_to_string(unsigned int scope) #if APR_HAS_THREADS case AP_LUA_SCOPE_THREAD: return "thread"; + case AP_LUA_SCOPE_SERVER: + return "server"; #endif default: ap_assert(0); + return 0; + } +} + +static void ap_lua_release_state(lua_State* L, ap_lua_vm_spec* spec, request_rec* r) { + char *hash; + apr_reslist_t* reslist = NULL; + if (spec->scope == AP_LUA_SCOPE_SERVER) { + ap_lua_server_spec* sspec = NULL; + lua_settop(L, 0); + lua_getfield(L, LUA_REGISTRYINDEX, "Apache2.Lua.server_spec"); + sspec = (ap_lua_server_spec*) lua_touserdata(L, 1); + hash = apr_psprintf(r->pool, "reslist:%s", spec->file); + if (apr_pool_userdata_get((void **)&reslist, hash, + r->server->process->pool) == APR_SUCCESS) { + AP_DEBUG_ASSERT(sspec != NULL); + if (reslist != NULL) { + apr_reslist_release(reslist, sspec); + } + } } } @@ -130,7 +161,10 @@ static ap_lua_vm_spec *create_vm_spec(apr_pool_t **lifecycle_pool, spec->cb_arg = NULL; spec->bytecode = bytecode; spec->bytecode_len = bytecode_len; - + spec->codecache = (cfg->codecache == AP_LUA_CACHE_UNSET) ? AP_LUA_CACHE_STAT : cfg->codecache; + spec->vm_min = cfg->vm_min ? cfg->vm_min : 1; + spec->vm_max = cfg->vm_max ? cfg->vm_max : 1; + if (filename) { char *file; apr_filepath_merge(&file, server_cfg->root_path, @@ -160,6 +194,9 @@ static ap_lua_vm_spec *create_vm_spec(apr_pool_t **lifecycle_pool, case AP_LUA_SCOPE_THREAD: pool = apr_thread_pool_get(r->connection->current_thread); break; + case AP_LUA_SCOPE_SERVER: + pool = r->server->process->pool; + break; #endif default: ap_assert(0); @@ -169,15 +206,58 @@ static ap_lua_vm_spec *create_vm_spec(apr_pool_t **lifecycle_pool, return spec; } +static const char* ap_lua_interpolate_string(apr_pool_t* pool, const char* string, const char** values) +{ + char *stringBetween; + const char* ret; + int srclen,x,y; + srclen = strlen(string); + ret = ""; + y = 0; + for (x=0; x < srclen; x++) { + if (string[x] == '$' && x != srclen-1 && string[x+1] >= '0' && string[x+1] <= '9') { + int v = *(string+x+1) - '0'; + if (x-y > 0) { + stringBetween = apr_pstrndup(pool, string+y, x-y); + } + else { + stringBetween = ""; + } + ret = apr_pstrcat(pool, ret, stringBetween, values[v], NULL); + y = ++x+1; + } + } + + if (x-y > 0 && y > 0) { + stringBetween = apr_pstrndup(pool, string+y, x-y); + ret = apr_pstrcat(pool, ret, stringBetween, NULL); + } + /* If no replacement was made, just return the original string */ + else if (y == 0) { + return string; + } + return ret; +} + + /** * "main" */ static int lua_handler(request_rec *r) { + int rc = OK; if (strcmp(r->handler, "lua-script")) { return DECLINED; } + /* Decline the request if the script does not exist (or is a directory), + * rather than just returning internal server error */ + if ( + (r->finfo.filetype == APR_NOFILE) + || (r->finfo.filetype & APR_DIR) + ) { + return DECLINED; + } ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, APLOGNO(01472) "handling [%s] in mod_lua", r->filename); @@ -190,11 +270,12 @@ static int lua_handler(request_rec *r) ap_lua_vm_spec *spec = create_vm_spec(&pool, r, cfg, NULL, NULL, NULL, 0, "handle", "request handler"); - L = ap_lua_get_lua_state(pool, spec); + L = ap_lua_get_lua_state(pool, spec, r); if (!L) { /* TODO annotate spec with failure reason */ r->status = HTTP_INTERNAL_SERVER_ERROR; ap_rputs("Unable to compile VM, see logs", r); + ap_lua_release_state(L, spec, r); return HTTP_INTERNAL_SERVER_ERROR; } ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r, APLOGNO(01474) "got a vm!"); @@ -204,17 +285,309 @@ static int lua_handler(request_rec *r) "lua: Unable to find function %s in %s", "handle", spec->file); + ap_lua_release_state(L, spec, r); return HTTP_INTERNAL_SERVER_ERROR; } ap_lua_run_lua_request(L, r); - if (lua_pcall(L, 1, 0, 0)) { + if (lua_pcall(L, 1, 1, 0)) { report_lua_error(L, r); } + if (lua_isnumber(L, -1)) { + rc = lua_tointeger(L, -1); + } + ap_lua_release_state(L, spec, r); } - return OK; + return rc; } +/* ------------------- Input/output content filters ------------------- */ + + +static apr_status_t lua_setup_filter_ctx(ap_filter_t* f, request_rec* r, lua_filter_ctx** c) { + apr_pool_t *pool; + ap_lua_vm_spec *spec; + int n, rc; + lua_State *L; + lua_filter_ctx *ctx; + ap_lua_server_cfg *server_cfg = ap_get_module_config(r->server->module_config, + &lua_module); + const ap_lua_dir_cfg *cfg = ap_get_module_config(r->per_dir_config, + &lua_module); + + ctx = apr_pcalloc(r->pool, sizeof(lua_filter_ctx)); + ctx->broken = 0; + *c = ctx; + /* Find the filter that was called */ + for (n = 0; n < cfg->mapped_filters->nelts; n++) { + ap_lua_filter_handler_spec *hook_spec = + ((ap_lua_filter_handler_spec **) cfg->mapped_filters->elts)[n]; + + if (hook_spec == NULL) { + continue; + } + if (!strcasecmp(hook_spec->filter_name, f->frec->name)) { + spec = create_vm_spec(&pool, r, cfg, server_cfg, + hook_spec->file_name, + NULL, + 0, + hook_spec->function_name, + "filter"); + L = ap_lua_get_lua_state(pool, spec, r); + if (L) { + L = lua_newthread(L); + } + + if (!L) { + ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(02328) + "lua: Failed to obtain lua interpreter for %s %s", + hook_spec->function_name, hook_spec->file_name); + ap_lua_release_state(L, spec, r); + return APR_EGENERAL; + } + if (hook_spec->function_name != NULL) { + lua_getglobal(L, hook_spec->function_name); + if (!lua_isfunction(L, -1)) { + ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(02329) + "lua: Unable to find function %s in %s", + hook_spec->function_name, + hook_spec->file_name); + ap_lua_release_state(L, spec, r); + return APR_EGENERAL; + } + + ap_lua_run_lua_request(L, r); + } + else { + int t; + ap_lua_run_lua_request(L, r); + + t = lua_gettop(L); + lua_setglobal(L, "r"); + lua_settop(L, t); + } + ctx->L = L; + ctx->spec = spec; + + /* If a Lua filter is interested in filtering a request, it must first do a yield, + * otherwise we'll assume that it's not interested and pretend we didn't find it. + */ + rc = lua_resume(L, 1); + if (rc == LUA_YIELD) { + return OK; + } + else { + ap_lua_release_state(L, spec, r); + return APR_ENOENT; + } + } + } + return APR_ENOENT; +} + +static apr_status_t lua_output_filter_handle(ap_filter_t *f, apr_bucket_brigade *pbbIn) { + request_rec *r = f->r; + int rc; + lua_State *L; + lua_filter_ctx* ctx; + conn_rec *c = r->connection; + apr_bucket *pbktIn; + apr_status_t rv; + + /* Set up the initial filter context and acquire the function. + * The corresponding Lua function should yield here. + */ + if (!f->ctx) { + rc = lua_setup_filter_ctx(f,r,&ctx); + if (rc == APR_EGENERAL) { + return HTTP_INTERNAL_SERVER_ERROR; + } + if (rc == APR_ENOENT) { + /* No filter entry found (or the script declined to filter), just pass on the buckets */ + ap_remove_output_filter(f); + return ap_pass_brigade(f->next,pbbIn); + } + f->ctx = ctx; + ctx->tmpBucket = apr_brigade_create(r->pool, c->bucket_alloc); + } + ctx = (lua_filter_ctx*) f->ctx; + L = ctx->L; + /* While the Lua function is still yielding, pass in buckets to the coroutine */ + if (!ctx->broken) { + for (pbktIn = APR_BRIGADE_FIRST(pbbIn); + pbktIn != APR_BRIGADE_SENTINEL(pbbIn); + pbktIn = APR_BUCKET_NEXT(pbktIn)) + { + const char *data; + apr_size_t len; + apr_bucket *pbktOut; + + /* read the bucket */ + apr_bucket_read(pbktIn,&data,&len,APR_BLOCK_READ); + + /* Push the bucket onto the Lua stack as a global var */ + lua_pushlstring(L, data, len); + lua_setglobal(L, "bucket"); + + /* If Lua yielded, it means we have something to pass on */ + if (lua_resume(L, 0) == LUA_YIELD) { + size_t olen; + const char* output = lua_tolstring(L, 1, &olen); + pbktOut = apr_bucket_heap_create(output, olen, NULL, + c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(ctx->tmpBucket, pbktOut); + rv = ap_pass_brigade(f->next, ctx->tmpBucket); + apr_brigade_cleanup(ctx->tmpBucket); + if (rv != APR_SUCCESS) { + return rv; + } + } + else { + ctx->broken = 1; + ap_lua_release_state(L, ctx->spec, r); + ap_remove_output_filter(f); + apr_brigade_cleanup(pbbIn); + apr_brigade_cleanup(ctx->tmpBucket); + return HTTP_INTERNAL_SERVER_ERROR; + } + } + /* If we've safely reached the end, do a final call to Lua to allow for any + finishing moves by the script, such as appending a tail. */ + if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(pbbIn))) { + apr_bucket *pbktEOS; + lua_pushnil(L); + lua_setglobal(L, "bucket"); + if (lua_resume(L, 0) == LUA_YIELD) { + apr_bucket *pbktOut; + size_t olen; + const char* output = lua_tolstring(L, 1, &olen); + pbktOut = apr_bucket_heap_create(output, olen, NULL, + c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(ctx->tmpBucket, pbktOut); + } + pbktEOS = apr_bucket_eos_create(c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(ctx->tmpBucket, pbktEOS); + ap_lua_release_state(L, ctx->spec, r); + rv = ap_pass_brigade(f->next, ctx->tmpBucket); + apr_brigade_cleanup(ctx->tmpBucket); + if (rv != APR_SUCCESS) { + return rv; + } + } + } + /* Clean up */ + apr_brigade_cleanup(pbbIn); + return APR_SUCCESS; +} + + + +static apr_status_t lua_input_filter_handle(ap_filter_t *f, + apr_bucket_brigade *pbbOut, + ap_input_mode_t eMode, + apr_read_type_e eBlock, + apr_off_t nBytes) +{ + request_rec *r = f->r; + int rc, lastCall = 0; + lua_State *L; + lua_filter_ctx* ctx; + conn_rec *c = r->connection; + apr_status_t ret; + + /* Set up the initial filter context and acquire the function. + * The corresponding Lua function should yield here. + */ + if (!f->ctx) { + rc = lua_setup_filter_ctx(f,r,&ctx); + f->ctx = ctx; + if (rc == APR_EGENERAL) { + ctx->broken = 1; + ap_remove_input_filter(f); + return HTTP_INTERNAL_SERVER_ERROR; + } + if (rc == APR_ENOENT ) { + ap_remove_input_filter(f); + ctx->broken = 1; + } + if (rc == APR_SUCCESS) { + ctx->tmpBucket = apr_brigade_create(r->pool, c->bucket_alloc); + } + } + ctx = (lua_filter_ctx*) f->ctx; + L = ctx->L; + /* If the Lua script broke or denied serving the request, just pass the buckets through */ + if (ctx->broken) { + return ap_get_brigade(f->next, pbbOut, eMode, eBlock, nBytes); + } + + if (APR_BRIGADE_EMPTY(ctx->tmpBucket)) { + ret = ap_get_brigade(f->next, ctx->tmpBucket, eMode, eBlock, nBytes); + if (eMode == AP_MODE_EATCRLF || ret != APR_SUCCESS) + return ret; + } + + /* While the Lua function is still yielding, pass buckets to the coroutine */ + if (!ctx->broken) { + lastCall = 0; + while(!APR_BRIGADE_EMPTY(ctx->tmpBucket)) { + apr_bucket *pbktIn = APR_BRIGADE_FIRST(ctx->tmpBucket); + apr_bucket *pbktOut; + const char *data; + apr_size_t len; + + if (APR_BUCKET_IS_EOS(pbktIn)) { + APR_BUCKET_REMOVE(pbktIn); + break; + } + + /* read the bucket */ + ret = apr_bucket_read(pbktIn, &data, &len, eBlock); + if (ret != APR_SUCCESS) + return ret; + + /* Push the bucket onto the Lua stack as a global var */ + lastCall++; + lua_pushlstring(L, data, len); + lua_setglobal(L, "bucket"); + + /* If Lua yielded, it means we have something to pass on */ + if (lua_resume(L, 0) == LUA_YIELD) { + size_t olen; + const char* output = lua_tolstring(L, 1, &olen); + pbktOut = apr_bucket_heap_create(output, olen, 0, c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(pbbOut, pbktOut); + apr_bucket_delete(pbktIn); + return APR_SUCCESS; + } + else { + ctx->broken = 1; + ap_lua_release_state(L, ctx->spec, r); + ap_remove_input_filter(f); + apr_bucket_delete(pbktIn); + return HTTP_INTERNAL_SERVER_ERROR; + } + } + /* If we've safely reached the end, do a final call to Lua to allow for any + finishing moves by the script, such as appending a tail. */ + if (lastCall == 0) { + apr_bucket *pbktEOS = apr_bucket_eos_create(c->bucket_alloc); + lua_pushnil(L); + lua_setglobal(L, "bucket"); + if (lua_resume(L, 0) == LUA_YIELD) { + apr_bucket *pbktOut; + size_t olen; + const char* output = lua_tolstring(L, 1, &olen); + pbktOut = apr_bucket_heap_create(output, olen, 0, c->bucket_alloc); + APR_BRIGADE_INSERT_TAIL(pbbOut, pbktOut); + } + APR_BRIGADE_INSERT_TAIL(pbbOut,pbktEOS); + ap_lua_release_state(L, ctx->spec, r); + } + } + return APR_SUCCESS; +} + /* ---------------- Configury stuff --------------- */ @@ -249,7 +622,7 @@ static int lua_request_rec_hook_harness(request_rec *r, const char *name, int ap hook_spec->function_name, "request hook"); - L = ap_lua_get_lua_state(pool, spec); + L = ap_lua_get_lua_state(pool, spec, r); if (!L) { ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(01477) @@ -265,6 +638,7 @@ static int lua_request_rec_hook_harness(request_rec *r, const char *name, int ap "lua: Unable to find function %s in %s", hook_spec->function_name, hook_spec->file_name); + ap_lua_release_state(L, spec, r); return HTTP_INTERNAL_SERVER_ERROR; } @@ -281,6 +655,7 @@ static int lua_request_rec_hook_harness(request_rec *r, const char *name, int ap if (lua_pcall(L, 1, 1, 0)) { report_lua_error(L, r); + ap_lua_release_state(L, spec, r); return HTTP_INTERNAL_SERVER_ERROR; } rc = DECLINED; @@ -288,6 +663,102 @@ static int lua_request_rec_hook_harness(request_rec *r, const char *name, int ap rc = lua_tointeger(L, -1); } if (rc != DECLINED) { + ap_lua_release_state(L, spec, r); + return rc; + } + ap_lua_release_state(L, spec, r); + } + } + return DECLINED; +} + + +static int lua_map_handler(request_rec *r) +{ + int rc, n = 0; + apr_pool_t *pool; + lua_State *L; + const char *filename, *function_name; + const char *values[10]; + ap_lua_vm_spec *spec; + ap_regmatch_t match[10]; + ap_lua_server_cfg *server_cfg = ap_get_module_config(r->server->module_config, + &lua_module); + const ap_lua_dir_cfg *cfg = ap_get_module_config(r->per_dir_config, + &lua_module); + for (n = 0; n < cfg->mapped_handlers->nelts; n++) { + ap_lua_mapped_handler_spec *hook_spec = + ((ap_lua_mapped_handler_spec **) cfg->mapped_handlers->elts)[n]; + + if (hook_spec == NULL) { + continue; + } + if (!ap_regexec(hook_spec->uri_pattern, r->uri, 10, match, 0)) { + int i; + for (i=0 ; i < 10; i++) { + if (match[i].rm_eo >= 0) { + values[i] = apr_pstrndup(r->pool, r->uri+match[i].rm_so, match[i].rm_eo - match[i].rm_so); + } + else values[i] = ""; + } + filename = ap_lua_interpolate_string(r->pool, hook_spec->file_name, values); + function_name = ap_lua_interpolate_string(r->pool, hook_spec->function_name, values); + spec = create_vm_spec(&pool, r, cfg, server_cfg, + filename, + hook_spec->bytecode, + hook_spec->bytecode_len, + function_name, + "mapped handler"); + L = ap_lua_get_lua_state(pool, spec, r); + + if (!L) { + ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(02330) + "lua: Failed to obtain lua interpreter for %s %s", + function_name, filename); + ap_lua_release_state(L, spec, r); + return HTTP_INTERNAL_SERVER_ERROR; + } + + if (function_name != NULL) { + lua_getglobal(L, function_name); + if (!lua_isfunction(L, -1)) { + ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(02331) + "lua: Unable to find function %s in %s", + function_name, + filename); + ap_lua_release_state(L, spec, r); + return HTTP_INTERNAL_SERVER_ERROR; + } + + ap_lua_run_lua_request(L, r); + } + else { + int t; + ap_lua_run_lua_request(L, r); + + t = lua_gettop(L); + lua_setglobal(L, "r"); + lua_settop(L, t); + } + + if (lua_pcall(L, 1, 1, 0)) { + report_lua_error(L, r); + ap_lua_release_state(L, spec, r); + return HTTP_INTERNAL_SERVER_ERROR; + } + rc = DECLINED; + if (lua_isnumber(L, -1)) { + rc = lua_tointeger(L, -1); + } + else { + ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(02483) + "lua: Lua handler %s in %s did not return a value, assuming apache2.OK", + function_name, + filename); + rc = OK; + } + ap_lua_release_state(L, spec, r); + if (rc != DECLINED) { return rc; } } @@ -564,7 +1035,55 @@ static const char *register_named_file_function_hook(const char *name, *(ap_lua_mapped_handler_spec **) apr_array_push(hook_specs) = spec; return NULL; } +static const char *register_mapped_file_function_hook(const char *pattern, + cmd_parms *cmd, + void *_cfg, + const char *file, + const char *function) +{ + ap_lua_mapped_handler_spec *spec; + ap_lua_dir_cfg *cfg = (ap_lua_dir_cfg *) _cfg; + ap_regex_t *regex = apr_pcalloc(cmd->pool, sizeof(ap_regex_t)); + if (ap_regcomp(regex, pattern,0)) { + return "Invalid regex pattern!"; + } + + spec = apr_pcalloc(cmd->pool, sizeof(ap_lua_mapped_handler_spec)); + spec->file_name = apr_pstrdup(cmd->pool, file); + spec->function_name = apr_pstrdup(cmd->pool, function); + spec->scope = cfg->vm_scope; + spec->uri_pattern = regex; + + *(ap_lua_mapped_handler_spec **) apr_array_push(cfg->mapped_handlers) = spec; + return NULL; +} +static const char *register_filter_function_hook(const char *filter, + cmd_parms *cmd, + void *_cfg, + const char *file, + const char *function, + int direction) +{ + ap_lua_filter_handler_spec *spec; + ap_lua_dir_cfg *cfg = (ap_lua_dir_cfg *) _cfg; + + spec = apr_pcalloc(cmd->pool, sizeof(ap_lua_filter_handler_spec)); + spec->file_name = apr_pstrdup(cmd->pool, file); + spec->function_name = apr_pstrdup(cmd->pool, function); + spec->filter_name = filter; + *(ap_lua_filter_handler_spec **) apr_array_push(cfg->mapped_filters) = spec; + /* TODO: Make it work on other types than just AP_FTYPE_RESOURCE? */ + if (direction == AP_LUA_FILTER_OUTPUT) { + spec->direction = AP_LUA_FILTER_OUTPUT; + ap_register_output_filter(filter, lua_output_filter_handle, NULL, AP_FTYPE_RESOURCE); + } + else { + spec->direction = AP_LUA_FILTER_INPUT; + ap_register_input_filter(filter, lua_input_filter_handle, NULL, AP_FTYPE_RESOURCE); + } + return NULL; +} static int lua_check_user_id_harness_first(request_rec *r) { return lua_request_rec_hook_harness(r, "check_user_id", AP_LUA_HOOK_FIRST); @@ -827,6 +1346,42 @@ static const char *register_quick_hook(cmd_parms *cmd, void *_cfg, return register_named_file_function_hook("quick", cmd, _cfg, file, function, APR_HOOK_MIDDLE); } +static const char *register_map_handler(cmd_parms *cmd, void *_cfg, + const char* match, const char *file, const char *function) +{ + const char *err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES| + NOT_IN_HTACCESS); + if (err) { + return err; + } + if (!function) function = "handle"; + return register_mapped_file_function_hook(match, cmd, _cfg, file, + function); +} +static const char *register_output_filter(cmd_parms *cmd, void *_cfg, + const char* filter, const char *file, const char *function) +{ + const char *err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES| + NOT_IN_HTACCESS); + if (err) { + return err; + } + if (!function) function = "handle"; + return register_filter_function_hook(filter, cmd, _cfg, file, + function, AP_LUA_FILTER_OUTPUT); +} +static const char *register_input_filter(cmd_parms *cmd, void *_cfg, + const char* filter, const char *file, const char *function) +{ + const char *err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES| + NOT_IN_HTACCESS); + if (err) { + return err; + } + if (!function) function = "handle"; + return register_filter_function_hook(filter, cmd, _cfg, file, + function, AP_LUA_FILTER_INPUT); +} static const char *register_quick_block(cmd_parms *cmd, void *_cfg, const char *line) { @@ -910,6 +1465,29 @@ static const char *register_lua_inherit(cmd_parms *cmd, } return NULL; } +static const char *register_lua_codecache(cmd_parms *cmd, + void *_cfg, + const char *arg) +{ + ap_lua_dir_cfg *cfg = (ap_lua_dir_cfg *) _cfg; + + if (strcasecmp("never", arg) == 0) { + cfg->codecache = AP_LUA_CACHE_NEVER; + } + else if (strcasecmp("stat", arg) == 0) { + cfg->codecache = AP_LUA_CACHE_STAT; + } + else if (strcasecmp("forever", arg) == 0) { + cfg->codecache = AP_LUA_CACHE_FOREVER; + } + else { + return apr_psprintf(cmd->pool, + "LuaCodeCache type of '%s' not recognized, valid " + "options are 'never', 'stat', and 'forever'", + arg); + } + return NULL; +} static const char *register_lua_scope(cmd_parms *cmd, void *_cfg, const char *scope, @@ -936,12 +1514,33 @@ static const char *register_lua_scope(cmd_parms *cmd, #endif cfg->vm_scope = AP_LUA_SCOPE_THREAD; } + else if (strcmp("server", scope) == 0) { + unsigned int vmin, vmax; +#if !APR_HAS_THREADS + return apr_psprintf(cmd->pool, + "Scope type of '%s' cannot be used because this " + "server does not have threading support " + "(APR_HAS_THREADS)" + scope); +#endif + cfg->vm_scope = AP_LUA_SCOPE_SERVER; + vmin = min ? atoi(min) : 1; + vmax = max ? atoi(max) : 1; + if (vmin == 0) { + vmin = 1; + } + if (vmax < vmin) { + vmax = vmin; + } + cfg->vm_min = vmin; + cfg->vm_max = vmax; + } else { return apr_psprintf(cmd->pool, "Invalid value for LuaScope, '%s', acceptable " - "values are: 'once', 'request', 'conn', 'server'" + "values are: 'once', 'request', 'conn'" #if APR_HAS_THREADS - ", 'thread'" + ", 'thread', 'server'" #endif ,scope); } @@ -961,7 +1560,9 @@ static const char *register_lua_root(cmd_parms *cmd, void *_cfg, cfg->root_path = root; return NULL; } -AP_LUA_DECLARE(const char *) ap_lua_ssl_val(apr_pool_t *p, server_rec *s, conn_rec *c, request_rec *r, const char *var) + +const char *ap_lua_ssl_val(apr_pool_t *p, server_rec *s, conn_rec *c, + request_rec *r, const char *var) { if (lua_ssl_val) { return (const char *)lua_ssl_val(p, s, c, r, (char *)var); @@ -969,7 +1570,7 @@ AP_LUA_DECLARE(const char *) ap_lua_ssl_val(apr_pool_t *p, server_rec *s, conn_r return NULL; } -AP_LUA_DECLARE(int) ap_lua_ssl_is_https(conn_rec *c) +int ap_lua_ssl_is_https(conn_rec *c) { return lua_ssl_is_https ? lua_ssl_is_https(c) : 0; } @@ -1018,7 +1619,7 @@ static authz_status lua_authz_check(request_rec *r, const char *require_line, spec = create_vm_spec(&pool, r, cfg, server_cfg, prov_spec->file_name, NULL, 0, prov_spec->function_name, "authz provider"); - L = ap_lua_get_lua_state(pool, spec); + L = ap_lua_get_lua_state(pool, spec, r); if (L == NULL) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02314) "Unable to compile VM for authz provider %s", prov_spec->name); @@ -1029,6 +1630,7 @@ static authz_status lua_authz_check(request_rec *r, const char *require_line, ap_log_rerror(APLOG_MARK, APLOG_CRIT, 0, r, APLOGNO(02319) "Unable to find function %s in %s", prov_spec->function_name, prov_spec->file_name); + ap_lua_release_state(L, spec, r); return AUTHZ_GENERAL_ERROR; } ap_lua_run_lua_request(L, r); @@ -1037,6 +1639,7 @@ static authz_status lua_authz_check(request_rec *r, const char *require_line, if (!lua_checkstack(L, prov_spec->args->nelts)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02315) "Error: authz provider %s: too many arguments", prov_spec->name); + ap_lua_release_state(L, spec, r); return AUTHZ_GENERAL_ERROR; } for (i = 0; i < prov_spec->args->nelts; i++) { @@ -1049,14 +1652,17 @@ static authz_status lua_authz_check(request_rec *r, const char *require_line, const char *err = lua_tostring(L, -1); ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02316) "Error executing authz provider %s: %s", prov_spec->name, err); + ap_lua_release_state(L, spec, r); return AUTHZ_GENERAL_ERROR; } if (!lua_isnumber(L, -1)) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02317) "Error: authz provider %s did not return integer", prov_spec->name); + ap_lua_release_state(L, spec, r); return AUTHZ_GENERAL_ERROR; } result = lua_tointeger(L, -1); + ap_lua_release_state(L, spec, r); switch (result) { case AUTHZ_DENIED: case AUTHZ_GRANTED: @@ -1184,6 +1790,10 @@ command_rec lua_commands[] = { AP_INIT_TAKE1("LuaInherit", register_lua_inherit, NULL, OR_ALL, "Controls how Lua scripts in parent contexts are merged with the current " " context: none|parent-last|parent-first (default: parent-first) "), + + AP_INIT_TAKE1("LuaCodeCache", register_lua_codecache, NULL, OR_ALL, + "Controls the behavior of the in-memory code cache " + " context: stat|forever|never (default: stat) "), AP_INIT_TAKE2("LuaQuickHandler", register_quick_hook, NULL, OR_ALL, "Provide a hook for the quick handler of request processing"), @@ -1193,6 +1803,12 @@ command_rec lua_commands[] = { AP_INIT_RAW_ARGS("Lua_____ByteCodeHack", hack_section_handler, NULL, OR_ALL, "(internal) Byte code handler"), + AP_INIT_TAKE23("LuaMapHandler", register_map_handler, NULL, OR_ALL, + "Maps a path to a lua handler"), + AP_INIT_TAKE3("LuaOutputFilter", register_output_filter, NULL, OR_ALL, + "Registers a Lua function as an output filter"), + AP_INIT_TAKE3("LuaInputFilter", register_input_filter, NULL, OR_ALL, + "Registers a Lua function as an input filter"), {NULL} }; @@ -1204,10 +1820,15 @@ static void *create_dir_config(apr_pool_t *p, char *dir) cfg->package_cpaths = apr_array_make(p, 2, sizeof(char *)); cfg->mapped_handlers = apr_array_make(p, 1, sizeof(ap_lua_mapped_handler_spec *)); + cfg->mapped_filters = + apr_array_make(p, 1, sizeof(ap_lua_filter_handler_spec *)); cfg->pool = p; cfg->hooks = apr_hash_make(p); cfg->dir = apr_pstrdup(p, dir); cfg->vm_scope = AP_LUA_SCOPE_UNSET; + cfg->codecache = AP_LUA_CACHE_UNSET; + cfg->vm_min = 0; + cfg->vm_max = 0; return cfg; } @@ -1269,24 +1890,31 @@ static void *merge_dir_config(apr_pool_t *p, void *basev, void *overridesv) a->dir = apr_pstrdup(p, overrides->dir); a->vm_scope = (overrides->vm_scope == AP_LUA_SCOPE_UNSET) ? base->vm_scope: overrides->vm_scope; - a->inherit = (overrides->inherit== AP_LUA_INHERIT_UNSET) ? base->inherit : overrides->inherit; + a->inherit = (overrides->inherit == AP_LUA_INHERIT_UNSET) ? base->inherit : overrides->inherit; + a->codecache = (overrides->codecache == AP_LUA_CACHE_UNSET) ? base->codecache : overrides->codecache; + + a->vm_min = (overrides->vm_min == 0) ? base->vm_min : overrides->vm_min; + a->vm_max = (overrides->vm_max == 0) ? base->vm_max : overrides->vm_max; if (a->inherit == AP_LUA_INHERIT_UNSET || a->inherit == AP_LUA_INHERIT_PARENT_FIRST) { a->package_paths = apr_array_append(p, base->package_paths, overrides->package_paths); a->package_cpaths = apr_array_append(p, base->package_cpaths, overrides->package_cpaths); a->mapped_handlers = apr_array_append(p, base->mapped_handlers, overrides->mapped_handlers); + a->mapped_filters = apr_array_append(p, base->mapped_filters, overrides->mapped_filters); a->hooks = apr_hash_merge(p, overrides->hooks, base->hooks, overlay_hook_specs, NULL); } else if (a->inherit == AP_LUA_INHERIT_PARENT_LAST) { a->package_paths = apr_array_append(p, overrides->package_paths, base->package_paths); a->package_cpaths = apr_array_append(p, overrides->package_cpaths, base->package_cpaths); a->mapped_handlers = apr_array_append(p, overrides->mapped_handlers, base->mapped_handlers); + a->mapped_filters = apr_array_append(p, overrides->mapped_filters, base->mapped_filters); a->hooks = apr_hash_merge(p, base->hooks, overrides->hooks, overlay_hook_specs, NULL); } else { a->package_paths = overrides->package_paths; a->package_cpaths = overrides->package_cpaths; a->mapped_handlers= overrides->mapped_handlers; + a->mapped_filters= overrides->mapped_filters; a->hooks= overrides->hooks; } @@ -1346,9 +1974,15 @@ static void lua_register_hooks(apr_pool_t *p) APR_OPTIONAL_HOOK(ap_lua, lua_request, lua_request_hook, NULL, NULL, APR_HOOK_REALLY_FIRST); - + ap_hook_handler(lua_map_handler, NULL, NULL, AP_LUA_HOOK_FIRST); +#if APR_HAS_THREADS + ap_hook_child_init(ap_lua_init_mutex, NULL, NULL, APR_HOOK_MIDDLE); +#endif /* providers */ lua_authz_providers = apr_hash_make(p); + + /* ivm mutex */ + apr_thread_mutex_create(&lua_ivm_mutex, APR_THREAD_MUTEX_DEFAULT, p); } AP_DECLARE_MODULE(lua) = { diff --git a/modules/lua/mod_lua.dsp b/modules/lua/mod_lua.dsp index 71d33b8b..770c13a1 100644 --- a/modules/lua/mod_lua.dsp +++ b/modules/lua/mod_lua.dsp @@ -117,6 +117,14 @@ SOURCE=.\lua_config.h # End Source File # Begin Source File +SOURCE=.\lua_passwd.c +# End Source File +# Begin Source File + +SOURCE=.\lua_passwd.h +# End Source File +# Begin Source File + SOURCE=.\lua_request.c # End Source File # Begin Source File diff --git a/modules/lua/mod_lua.h b/modules/lua/mod_lua.h index 52ff96ad..7fd11533 100644 --- a/modules/lua/mod_lua.h +++ b/modules/lua/mod_lua.h @@ -39,6 +39,7 @@ #include "apr_file_info.h" #include "apr_time.h" #include "apr_hooks.h" +#include "apr_reslist.h" /* Allow for Lua 5.2 backwards compatibility */ #define LUA_COMPAT_ALL @@ -50,6 +51,7 @@ #if LUA_VERSION_NUM > 501 /* Load mode for lua_load() */ #define lua_load(a,b,c,d) lua_load(a,b,c,d,NULL) +#define lua_resume(a,b) lua_resume(a, NULL, b) #endif /* Create a set of AP_LUA_DECLARE(type), AP_LUA_DECLARE_NONSTD(type) and @@ -81,7 +83,7 @@ typedef enum { AP_LUA_INHERIT_UNSET = -1, AP_LUA_INHERIT_NONE = 0, AP_LUA_INHERIT_PARENT_FIRST = 1, - AP_LUA_INHERIT_PARENT_LAST = 2, + AP_LUA_INHERIT_PARENT_LAST = 2 } ap_lua_inherit_t; /** @@ -101,9 +103,10 @@ typedef struct apr_array_header_t *package_cpaths; /** - * mapped handlers + * mapped handlers/filters */ apr_array_header_t *mapped_handlers; + apr_array_header_t *mapped_filters; apr_pool_t *pool; @@ -111,6 +114,8 @@ typedef struct * AP_LUA_SCOPE_ONCE | AP_LUA_SCOPE_REQUEST | AP_LUA_SCOPE_CONN | AP_LUA_SCOPE_SERVER */ unsigned int vm_scope; + unsigned int vm_min; + unsigned int vm_max; /* info for the hook harnesses */ apr_hash_t *hooks; /* <wombat_hook_info> */ @@ -120,6 +125,11 @@ typedef struct /* Whether Lua scripts in a sub-dir are run before parents */ ap_lua_inherit_t inherit; + + /** + * AP_LUA_CACHE_NEVER | AP_LUA_CACHE_STAT | AP_LUA_CACHE_FOREVER + */ + unsigned int codecache; } ap_lua_dir_cfg; @@ -158,8 +168,9 @@ APR_DECLARE_EXTERNAL_HOOK(ap_lua, AP_LUA, int, lua_open, APR_DECLARE_EXTERNAL_HOOK(ap_lua, AP_LUA, int, lua_request, (lua_State *L, request_rec *r)) -AP_LUA_DECLARE(const char *) ap_lua_ssl_val(apr_pool_t *p, server_rec *s, conn_rec *c, request_rec *r, const char *var); +const char *ap_lua_ssl_val(apr_pool_t *p, server_rec *s, conn_rec *c, + request_rec *r, const char *var); -AP_LUA_DECLARE(int) ap_lua_ssl_is_https(conn_rec *c); +int ap_lua_ssl_is_https(conn_rec *c); #endif /* !_MOD_LUA_H_ */ |