httpd.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:13k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * httpd.c: HTTPd wrapper
- *****************************************************************************
- * Copyright (C) 2007-2008 the VideoLAN team
- * $Id: 09ca8a4ec47e8cacb5eea92c09d842814091b789 $
- *
- * Authors: Antoine Cellerier <dionoea at videolan tod org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifndef _GNU_SOURCE
- # define _GNU_SOURCE
- #endif
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_httpd.h>
- #include <lua.h> /* Low level lua C API */
- #include <lauxlib.h> /* Higher level C API */
- #include <lualib.h> /* Lua libs */
- #include "../vlc.h"
- #include "../libs.h"
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static uint8_t *vlclua_todata( lua_State *L, int narg, int *i_data );
- static int vlclua_httpd_host_delete( lua_State * );
- static int vlclua_httpd_handler_new( lua_State * );
- static int vlclua_httpd_handler_delete( lua_State * );
- static int vlclua_httpd_file_new( lua_State * );
- static int vlclua_httpd_file_delete( lua_State * );
- static int vlclua_httpd_redirect_new( lua_State * );
- static int vlclua_httpd_redirect_delete( lua_State * );
- /*****************************************************************************
- * HTTPD Host
- *****************************************************************************/
- static const luaL_Reg vlclua_httpd_reg[] = {
- { "handler", vlclua_httpd_handler_new },
- { "file", vlclua_httpd_file_new },
- { "redirect", vlclua_httpd_redirect_new },
- { NULL, NULL }
- };
- static int vlclua_httpd_tls_host_new( lua_State *L )
- {
- vlc_object_t *p_this = vlclua_get_this( L );
- const char *psz_host = luaL_checkstring( L, 1 );
- int i_port = luaL_checkint( L, 2 );
- const char *psz_cert = luaL_optstring( L, 3, NULL );
- const char *psz_key = luaL_optstring( L, 4, NULL );
- const char *psz_ca = luaL_optstring( L, 5, NULL );
- const char *psz_crl = luaL_optstring( L, 6, NULL );
- httpd_host_t *p_host = httpd_TLSHostNew( p_this, psz_host, i_port,
- psz_cert, psz_key,
- psz_ca, psz_crl );
- if( !p_host )
- return luaL_error( L, "Failed to create HTTP TLS host "%s:%d" "
- "(cert: "%s", key: "%s", ca: "%s", "
- "crl: "%s").", psz_host, i_port,
- psz_cert, psz_key, psz_ca, psz_crl );
- httpd_host_t **pp_host = lua_newuserdata( L, sizeof( httpd_host_t * ) );
- *pp_host = p_host;
- if( luaL_newmetatable( L, "httpd_host" ) )
- {
- lua_newtable( L );
- luaL_register( L, NULL, vlclua_httpd_reg );
- lua_setfield( L, -2, "__index" );
- lua_pushcfunction( L, vlclua_httpd_host_delete );
- lua_setfield( L, -2, "__gc" );
- }
- lua_setmetatable( L, -2 );
- return 1;
- }
- static int vlclua_httpd_host_delete( lua_State *L )
- {
- httpd_host_t **pp_host = (httpd_host_t **)luaL_checkudata( L, 1, "httpd_host" );
- httpd_HostDelete( *pp_host );
- return 0;
- }
- /*****************************************************************************
- * HTTPd Handler
- *****************************************************************************/
- struct httpd_handler_sys_t
- {
- lua_State *L;
- int ref;
- };
- static int vlclua_httpd_handler_callback(
- httpd_handler_sys_t *p_sys, httpd_handler_t *p_handler, char *psz_url,
- uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in,
- char *psz_remote_addr, char *psz_remote_host,
- uint8_t **pp_data, int *pi_data )
- {
- VLC_UNUSED(p_handler);
- lua_State *L = p_sys->L;
- /* function data */
- lua_pushvalue( L, 1 );
- lua_pushvalue( L, 2 );
- /* function data function data */
- lua_pushstring( L, psz_url );
- /* function data function data url */
- lua_pushstring( L, (const char *)psz_request );
- /* function data function data url request */
- lua_pushinteger( L, i_type ); /* Q: what does i_type stand for? */
- /* function data function data url request type */
- lua_pushlstring( L, (const char *)p_in, i_in ); /* Q: what do p_in contain? */
- /* function data function data url request type in */
- lua_pushstring( L, psz_remote_addr );
- /* function data function data url request type in addr */
- lua_pushstring( L, psz_remote_host );
- /* function data function data url request type in addr host */
- if( lua_pcall( L, 7, 1, 0 ) )
- {
- /* function data err */
- vlc_object_t *p_this = vlclua_get_this( L );
- const char *psz_err = lua_tostring( L, -1 );
- msg_Err( p_this, "Error while runing the lua HTTPd handler "
- "callback: %s", psz_err );
- lua_settop( L, 2 );
- /* function data */
- return VLC_EGENERIC;
- }
- /* function data outdata */
- *pp_data = vlclua_todata( L, -1, pi_data );
- lua_pop( L, 1 );
- /* function data */
- return VLC_SUCCESS;
- }
- static int vlclua_httpd_handler_new( lua_State * L )
- {
- httpd_host_t **pp_host = (httpd_host_t **)luaL_checkudata( L, 1, "httpd_host" );
- const char *psz_url = luaL_checkstring( L, 2 );
- const char *psz_user = luaL_nilorcheckstring( L, 3 );
- const char *psz_password = luaL_nilorcheckstring( L, 4 );
- const vlc_acl_t *p_acl = lua_isnil( L, 5 ) ? NULL : luaL_checkudata( L, 5, "acl" );
- /* Stack item 6 is the callback function */
- luaL_argcheck( L, lua_isfunction( L, 6 ), 6, "Should be a function" );
- /* Stack item 7 is the callback data */
- lua_settop( L, 7 );
- httpd_handler_sys_t *p_sys = (httpd_handler_sys_t*)
- malloc( sizeof( httpd_handler_sys_t ) );
- if( !p_sys )
- return luaL_error( L, "Failed to allocate private buffer." );
- p_sys->L = lua_newthread( L );
- p_sys->ref = luaL_ref( L, LUA_REGISTRYINDEX ); /* pops the object too */
- /* use lua_xmove to move the lua callback function and data to
- * the callback's stack. */
- lua_xmove( L, p_sys->L, 2 );
- httpd_handler_t *p_handler = httpd_HandlerNew(
- *pp_host, psz_url, psz_user, psz_password,
- p_acl, vlclua_httpd_handler_callback, p_sys );
- if( !p_handler )
- {
- free( p_sys );
- return luaL_error( L, "Failed to create HTTPd handler." );
- }
- httpd_handler_t **pp_handler = lua_newuserdata( L, sizeof( httpd_handler_t * ) );
- *pp_handler = p_handler;
- if( luaL_newmetatable( L, "httpd_handler" ) )
- {
- lua_pushcfunction( L, vlclua_httpd_handler_delete );
- lua_setfield( L, -2, "__gc" );
- }
- lua_setmetatable( L, -2 );
- return 1;
- }
- static int vlclua_httpd_handler_delete( lua_State *L )
- {
- httpd_handler_t **pp_handler = (httpd_handler_t**)luaL_checkudata( L, 1, "httpd_handler" );
- httpd_handler_sys_t *p_sys = httpd_HandlerDelete( *pp_handler );
- luaL_unref( p_sys->L, LUA_REGISTRYINDEX, p_sys->ref );
- free( p_sys );
- return 0;
- }
- /*****************************************************************************
- * HTTPd File
- *****************************************************************************/
- struct httpd_file_sys_t
- {
- lua_State *L;
- int ref;
- };
- static int vlclua_httpd_file_callback(
- httpd_file_sys_t *p_sys, httpd_file_t *p_file, uint8_t *psz_request,
- uint8_t **pp_data, int *pi_data )
- {
- VLC_UNUSED(p_file);
- lua_State *L = p_sys->L;
- /* function data */
- lua_pushvalue( L, 1 );
- lua_pushvalue( L, 2 );
- /* function data function data */
- lua_pushstring( L, (const char *)psz_request );
- /* function data function data request */
- if( lua_pcall( L, 2, 1, 0 ) )
- {
- /* function data err */
- vlc_object_t *p_this = vlclua_get_this( L );
- const char *psz_err = lua_tostring( L, -1 );
- msg_Err( p_this, "Error while runing the lua HTTPd file callback: %s",
- psz_err );
- lua_settop( L, 2 );
- /* function data */
- return VLC_EGENERIC;
- }
- /* function data outdata */
- *pp_data = vlclua_todata( L, -1, pi_data );
- lua_pop( L, 1 );
- /* function data */
- return VLC_SUCCESS;
- }
- static int vlclua_httpd_file_new( lua_State *L )
- {
- httpd_host_t **pp_host = (httpd_host_t **)luaL_checkudata( L, 1, "httpd_host" );
- const char *psz_url = luaL_checkstring( L, 2 );
- const char *psz_mime = luaL_nilorcheckstring( L, 3 );
- const char *psz_user = luaL_nilorcheckstring( L, 4 );
- const char *psz_password = luaL_nilorcheckstring( L, 5 );
- const vlc_acl_t *p_acl = lua_isnil( L, 6 ) ? NULL : luaL_checkudata( L, 6, "acl" );
- /* Stack item 7 is the callback function */
- luaL_argcheck( L, lua_isfunction( L, 7 ), 7, "Should be a function" );
- /* Stack item 8 is the callback data */
- httpd_file_sys_t *p_sys = (httpd_file_sys_t *)
- malloc( sizeof( httpd_file_sys_t ) );
- if( !p_sys )
- return luaL_error( L, "Failed to allocate private buffer." );
- p_sys->L = lua_newthread( L );
- p_sys->ref = luaL_ref( L, LUA_REGISTRYINDEX ); /* pops the object too */
- lua_xmove( L, p_sys->L, 2 );
- httpd_file_t *p_file = httpd_FileNew( *pp_host, psz_url, psz_mime,
- psz_user, psz_password, p_acl,
- vlclua_httpd_file_callback, p_sys );
- if( !p_file )
- {
- free( p_sys );
- return luaL_error( L, "Failed to create HTTPd file." );
- }
- httpd_file_t **pp_file = lua_newuserdata( L, sizeof( httpd_file_t * ) );
- *pp_file = p_file;
- if( luaL_newmetatable( L, "httpd_file" ) )
- {
- lua_pushcfunction( L, vlclua_httpd_file_delete );
- lua_setfield( L, -2, "__gc" );
- }
- lua_setmetatable( L, -2 );
- return 1;
- }
- static int vlclua_httpd_file_delete( lua_State *L )
- {
- httpd_file_t **pp_file = (httpd_file_t**)luaL_checkudata( L, 1, "httpd_file" );
- httpd_file_sys_t *p_sys = httpd_FileDelete( *pp_file );
- luaL_unref( p_sys->L, LUA_REGISTRYINDEX, p_sys->ref );
- free( p_sys );
- return 0;
- }
- /*****************************************************************************
- * HTTPd Redirect
- *****************************************************************************/
- static int vlclua_httpd_redirect_new( lua_State *L )
- {
- httpd_host_t **pp_host = (httpd_host_t **)luaL_checkudata( L, 1, "httpd_host" );
- const char *psz_url_dst = luaL_checkstring( L, 2 );
- const char *psz_url_src = luaL_checkstring( L, 3 );
- httpd_redirect_t *p_redirect = httpd_RedirectNew( *pp_host,
- psz_url_dst,
- psz_url_src );
- if( !p_redirect )
- return luaL_error( L, "Failed to create HTTPd redirect." );
- httpd_redirect_t **pp_redirect = lua_newuserdata( L, sizeof( httpd_redirect_t * ) );
- *pp_redirect = p_redirect;
- if( luaL_newmetatable( L, "httpd_redirect" ) )
- {
- lua_pushcfunction( L, vlclua_httpd_redirect_delete );
- lua_setfield( L, -2, "__gc" );
- }
- lua_setmetatable( L, -2 );
- return 1;
- }
- static int vlclua_httpd_redirect_delete( lua_State *L )
- {
- httpd_redirect_t **pp_redirect = (httpd_redirect_t**)luaL_checkudata( L, 1, "httpd_redirect" );
- httpd_RedirectDelete( *pp_redirect );
- return 0;
- }
- /*****************************************************************************
- * Utils
- *****************************************************************************/
- static uint8_t *vlclua_todata( lua_State *L, int narg, int *pi_data )
- {
- size_t i_data;
- const char *psz_data = lua_tolstring( L, narg, &i_data );
- uint8_t *p_data = (uint8_t*)malloc( i_data * sizeof(uint8_t) );
- *pi_data = (int)i_data;
- if( !p_data )
- {
- luaL_error( L, "Error while allocating buffer." );
- return NULL; /* To please gcc even though luaL_error longjmp-ed out of here */
- }
- memcpy( p_data, psz_data, i_data );
- return p_data;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- void luaopen_httpd( lua_State *L )
- {
- lua_pushcfunction( L, vlclua_httpd_tls_host_new );
- lua_setfield( L, -2, "httpd" );
- }