http.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:14k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * http.c
- *****************************************************************************
- * Copyright (C) 2001-2009 the VideoLAN team
- * $Id: c6b930fcf06b16fe446a7c6cbbccc7ffcfa0d3a8 $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Jon Lech Johansen <jon@nanocrew.net>
- *
- * 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
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_sout.h>
- #include <vlc_block.h>
- #include <vlc_input.h>
- #include <vlc_playlist.h>
- #if 0 //def HAVE_AVAHI_CLIENT
- #include "bonjour.h"
- #if defined( WIN32 )
- #define DIRECTORY_SEPARATOR '\'
- #else
- #define DIRECTORY_SEPARATOR '/'
- #endif
- #endif
- #include "vlc_httpd.h"
- #define DEFAULT_PORT 8080
- #define DEFAULT_SSL_PORT 8443
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- #define SOUT_CFG_PREFIX "sout-http-"
- #define USER_TEXT N_("Username")
- #define USER_LONGTEXT N_("User name that will be "
- "requested to access the stream." )
- #define PASS_TEXT N_("Password")
- #define PASS_LONGTEXT N_("Password that will be "
- "requested to access the stream." )
- #define MIME_TEXT N_("Mime")
- #define MIME_LONGTEXT N_("MIME returned by the server (autodetected "
- "if not specified)." )
- #define CERT_TEXT N_( "Certificate file" )
- #define CERT_LONGTEXT N_( "Path to the x509 PEM certificate file that will "
- "be used for HTTPS." )
- #define KEY_TEXT N_( "Private key file" )
- #define KEY_LONGTEXT N_( "Path to the x509 PEM private key file that will "
- "be used for HTTPS. Leave "
- "empty if you don't have one." )
- #define CA_TEXT N_( "Root CA file" )
- #define CA_LONGTEXT N_( "Path to the x509 PEM trusted root CA certificates "
- "(certificate authority) file that will be used for "
- "HTTPS. Leave empty if you "
- "don't have one." )
- #define CRL_TEXT N_( "CRL file" )
- #define CRL_LONGTEXT N_( "Path to the x509 PEM Certificates Revocation List "
- "file that will be used for SSL. Leave "
- "empty if you don't have one." )
- #define BONJOUR_TEXT N_( "Advertise with Bonjour")
- #define BONJOUR_LONGTEXT N_( "Advertise the stream with the Bonjour protocol." )
- vlc_module_begin ()
- set_description( N_("HTTP stream output") )
- set_capability( "sout access", 0 )
- set_shortname( "HTTP" )
- add_shortcut( "http" )
- add_shortcut( "https" )
- add_shortcut( "mmsh" )
- set_category( CAT_SOUT )
- set_subcategory( SUBCAT_SOUT_ACO )
- add_string( SOUT_CFG_PREFIX "user", "", NULL,
- USER_TEXT, USER_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "pwd", "", NULL,
- PASS_TEXT, PASS_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "mime", "", NULL,
- MIME_TEXT, MIME_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "cert", "vlc.pem", NULL,
- CERT_TEXT, CERT_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "key", NULL, NULL,
- KEY_TEXT, KEY_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "ca", NULL, NULL,
- CA_TEXT, CA_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "crl", NULL, NULL,
- CRL_TEXT, CRL_LONGTEXT, true )
- #if 0 //def HAVE_AVAHI_CLIENT
- add_bool( SOUT_CFG_PREFIX "bonjour", false, NULL,
- BONJOUR_TEXT, BONJOUR_LONGTEXT, true);
- #endif
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Exported prototypes
- *****************************************************************************/
- static const char *const ppsz_sout_options[] = {
- "user", "pwd", "mime", "cert", "key", "ca", "crl", NULL
- };
- static ssize_t Write( sout_access_out_t *, block_t * );
- static int Seek ( sout_access_out_t *, off_t );
- static int Control( sout_access_out_t *, int, va_list );
- struct sout_access_out_sys_t
- {
- /* host */
- httpd_host_t *p_httpd_host;
- /* stream */
- httpd_stream_t *p_httpd_stream;
- /* gather header from stream */
- int i_header_allocated;
- int i_header_size;
- uint8_t *p_header;
- bool b_header_complete;
- #if 0 //def HAVE_AVAHI_CLIENT
- void *p_bonjour;
- #endif
- };
- /*****************************************************************************
- * Open: open the file
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- sout_access_out_t *p_access = (sout_access_out_t*)p_this;
- sout_access_out_sys_t *p_sys;
- char *psz_parser;
- char *psz_bind_addr;
- int i_bind_port;
- char *psz_file_name;
- char *psz_user = NULL;
- char *psz_pwd = NULL;
- char *psz_mime = NULL;
- char *psz_cert = NULL, *psz_key = NULL, *psz_ca = NULL,
- *psz_crl = NULL;
- vlc_value_t val;
- if( !( p_sys = p_access->p_sys =
- malloc( sizeof( sout_access_out_sys_t ) ) ) )
- return VLC_ENOMEM ;
- config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
- /* p_access->psz_path = "hostname:port/filename" */
- psz_bind_addr = psz_parser = strdup( p_access->psz_path );
- i_bind_port = 0;
- psz_parser = strchr( psz_bind_addr, '/' );
- if( psz_parser )
- {
- psz_file_name = strdup( psz_parser );
- *psz_parser = ' ';
- }
- else
- psz_file_name = strdup( "/" );
- if( psz_bind_addr[0] == '[' )
- {
- psz_bind_addr++;
- psz_parser = strstr( psz_bind_addr, "]:" );
- if( psz_parser )
- {
- *psz_parser = ' ';
- i_bind_port = atoi( psz_parser + 2 );
- }
- psz_parser = psz_bind_addr - 1;
- }
- else
- {
- psz_parser = strrchr( psz_bind_addr, ':' );
- if( psz_parser )
- {
- *psz_parser = ' ';
- i_bind_port = atoi( psz_parser + 1 );
- }
- psz_parser = psz_bind_addr;
- }
- /* SSL support */
- if( p_access->psz_access && !strcmp( p_access->psz_access, "https" ) )
- {
- psz_cert = var_CreateGetNonEmptyString( p_this, SOUT_CFG_PREFIX"cert" );
- psz_key = var_CreateGetNonEmptyString( p_this, SOUT_CFG_PREFIX"key" );
- psz_ca = var_CreateGetNonEmptyString( p_this, SOUT_CFG_PREFIX"ca" );
- psz_crl = var_CreateGetNonEmptyString( p_this, SOUT_CFG_PREFIX"crl" );
- if( i_bind_port <= 0 )
- i_bind_port = DEFAULT_SSL_PORT;
- }
- else
- {
- if( i_bind_port <= 0 )
- i_bind_port = DEFAULT_PORT;
- }
- p_sys->p_httpd_host = httpd_TLSHostNew( VLC_OBJECT(p_access),
- psz_bind_addr, i_bind_port,
- psz_cert, psz_key, psz_ca,
- psz_crl );
- free( psz_cert );
- free( psz_key );
- free( psz_ca );
- free( psz_crl );
- if( p_sys->p_httpd_host == NULL )
- {
- msg_Err( p_access, "cannot listen on %s port %d",
- psz_bind_addr, i_bind_port );
- free( psz_file_name );
- free( psz_parser );
- free( p_sys );
- return VLC_EGENERIC;
- }
- free( psz_parser );
- if( p_access->psz_access && !strcmp( p_access->psz_access, "mmsh" ) )
- {
- psz_mime = strdup( "video/x-ms-asf-stream" );
- }
- else
- {
- var_Get( p_access, SOUT_CFG_PREFIX "mime", &val );
- if( *val.psz_string )
- psz_mime = val.psz_string;
- else
- free( val.psz_string );
- }
- var_Get( p_access, SOUT_CFG_PREFIX "user", &val );
- if( *val.psz_string )
- psz_user = val.psz_string;
- else
- free( val.psz_string );
- var_Get( p_access, SOUT_CFG_PREFIX "pwd", &val );
- if( *val.psz_string )
- psz_pwd = val.psz_string;
- else
- free( val.psz_string );
- p_sys->p_httpd_stream =
- httpd_StreamNew( p_sys->p_httpd_host, psz_file_name, psz_mime,
- psz_user, psz_pwd, NULL );
- free( psz_user );
- free( psz_pwd );
- free( psz_mime );
- if( p_sys->p_httpd_stream == NULL )
- {
- msg_Err( p_access, "cannot add stream %s", psz_file_name );
- httpd_HostDelete( p_sys->p_httpd_host );
- free( psz_file_name );
- free( p_sys );
- return VLC_EGENERIC;
- }
- #if 0 //def HAVE_AVAHI_CLIENT
- if( config_GetInt(p_this, SOUT_CFG_PREFIX "bonjour") )
- {
- char *psz_txt, *psz_name;
- playlist_t *p_playlist = pl_Hold( p_access );
- char *psz_uri = input_item_GetURI( p_playlist->status.p_item->p_input );
- char *psz_newuri = psz_uri;
- psz_name = strrchr( psz_newuri, DIRECTORY_SEPARATOR );
- if( psz_name != NULL ) psz_name++;
- else psz_name = psz_newuri;
- if( psz_file_name &&
- asprintf( &psz_txt, "path=%s", psz_file_name ) == -1 )
- {
- pl_Release( p_access );
- free( psz_uri );
- return VLC_ENOMEM;
- }
- p_sys->p_bonjour = bonjour_start_service( (vlc_object_t *)p_access,
- strcmp( p_access->psz_access, "https" )
- ? "_vlc-http._tcp" : "_vlc-https._tcp",
- psz_name, i_bind_port, psz_txt );
- free( psz_uri );
- free( psz_txt );
- if( p_sys->p_bonjour == NULL )
- msg_Err( p_access, "unable to start requested Bonjour announce" );
- pl_Release( p_access );
- }
- else
- p_sys->p_bonjour = NULL;
- #endif
- free( psz_file_name );
- p_sys->i_header_allocated = 1024;
- p_sys->i_header_size = 0;
- p_sys->p_header = malloc( p_sys->i_header_allocated );
- p_sys->b_header_complete = false;
- p_access->pf_write = Write;
- p_access->pf_seek = Seek;
- p_access->pf_control = Control;
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close: close the target
- *****************************************************************************/
- static void Close( vlc_object_t * p_this )
- {
- sout_access_out_t *p_access = (sout_access_out_t*)p_this;
- sout_access_out_sys_t *p_sys = p_access->p_sys;
- #if 0 //def HAVE_AVAHI_CLIENT
- if( p_sys->p_bonjour != NULL )
- bonjour_stop_service( p_sys->p_bonjour );
- #endif
- httpd_StreamDelete( p_sys->p_httpd_stream );
- httpd_HostDelete( p_sys->p_httpd_host );
- free( p_sys->p_header );
- msg_Dbg( p_access, "Close" );
- free( p_sys );
- }
- static int Control( sout_access_out_t *p_access, int i_query, va_list args )
- {
- (void)p_access;
- switch( i_query )
- {
- case ACCESS_OUT_CONTROLS_PACE:
- *va_arg( args, bool * ) = false;
- break;
- default:
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Write:
- *****************************************************************************/
- static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
- {
- sout_access_out_sys_t *p_sys = p_access->p_sys;
- int i_err = 0;
- int i_len = 0;
- while( p_buffer )
- {
- block_t *p_next;
- if( p_buffer->i_flags & BLOCK_FLAG_HEADER )
- {
- /* gather header */
- if( p_sys->b_header_complete )
- {
- /* free previously gathered header */
- p_sys->i_header_size = 0;
- p_sys->b_header_complete = false;
- }
- if( (int)(p_buffer->i_buffer + p_sys->i_header_size) >
- p_sys->i_header_allocated )
- {
- p_sys->i_header_allocated =
- p_buffer->i_buffer + p_sys->i_header_size + 1024;
- p_sys->p_header =
- realloc( p_sys->p_header, p_sys->i_header_allocated );
- }
- memcpy( &p_sys->p_header[p_sys->i_header_size],
- p_buffer->p_buffer,
- p_buffer->i_buffer );
- p_sys->i_header_size += p_buffer->i_buffer;
- }
- else if( !p_sys->b_header_complete )
- {
- p_sys->b_header_complete = true;
- httpd_StreamHeader( p_sys->p_httpd_stream, p_sys->p_header,
- p_sys->i_header_size );
- }
- i_len += p_buffer->i_buffer;
- /* send data */
- i_err = httpd_StreamSend( p_sys->p_httpd_stream, p_buffer->p_buffer,
- p_buffer->i_buffer );
- p_next = p_buffer->p_next;
- block_Release( p_buffer );
- p_buffer = p_next;
- if( i_err < 0 )
- {
- break;
- }
- }
- if( i_err < 0 )
- {
- block_ChainRelease( p_buffer );
- }
- return( i_err < 0 ? VLC_EGENERIC : i_len );
- }
- /*****************************************************************************
- * Seek: seek to a specific location in a file
- *****************************************************************************/
- static int Seek( sout_access_out_t *p_access, off_t i_pos )
- {
- (void)i_pos;
- msg_Warn( p_access, "HTTP sout access cannot seek" );
- return VLC_EGENERIC;
- }