/*****************************************************************************
* httpd.c
*****************************************************************************
* Copyright (C) 2004-2006 the VideoLAN team
* Copyright © 2004-2007 Rémi Denis-Courmont
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Rémi Denis-Courmont <rem # videolan.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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "vlc_common.h"
#include "vlc_httpd.h"
#ifdef ENABLE_HTTPD
#include <assert.h>
#include <vlc_network.h>
#include <vlc_tls.h>
#include <vlc_acl.h>
#include <vlc_strings.h>
#include "../libvlc.h"
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_POLL
# include <poll.h>
#endif
#if defined( UNDER_CE )
# include <winsock.h>
#elif defined( WIN32 )
# include <winsock2.h>
#else
# include <sys/socket.h>
#endif
#if defined( WIN32 )
/* We need HUGE buffer otherwise TCP throughput is very limited */
#define HTTPD_CL_BUFSIZE 1000000
#else
#define HTTPD_CL_BUFSIZE 10000
#endif
static void httpd_ClientClean( httpd_client_t *cl );
struct httpd_t
{
VLC_COMMON_MEMBERS
int i_host;
httpd_host_t **host;
};
/* each host run in his own thread */
struct httpd_host_t
{
VLC_COMMON_MEMBERS
httpd_t *httpd;
/* ref count */
int i_ref;
/* address/port and socket for listening at connections */
char *psz_hostname;
int i_port;
int *fds;
unsigned nfd;
vlc_mutex_t lock;
/* all registered url (becarefull that 2 httpd_url_t could point at the same url)
* This will slow down the url research but make my live easier
* All url will have their cb trigger, but only the first one can answer
* */
int i_url;
httpd_url_t **url;
int i_client;
httpd_client_t **client;
/* TLS data */
tls_server_t *p_tls;
};
struct httpd_url_t
{
httpd_host_t *host;
vlc_mutex_t lock;
char *psz_url;
char *psz_user;
char *psz_password;
vlc_acl_t *p_acl;
struct
{
httpd_callback_t cb;
httpd_callback_sys_t *p_sys;
} catch[HTTPD_MSG_MAX];
};
/* status */
enum
{
HTTPD_CLIENT_RECEIVING,
HTTPD_CLIENT_RECEIVE_DONE,
HTTPD_CLIENT_SENDING,
HTTPD_CLIENT_SEND_DONE,
HTTPD_CLIENT_WAITING,
HTTPD_CLIENT_DEAD,
HTTPD_CLIENT_TLS_HS_IN,
HTTPD_CLIENT_TLS_HS_OUT
};
/* mode */
enum
{
HTTPD_CLIENT_FILE, /* default */
HTTPD_CLIENT_STREAM, /* regulary get data from cb */
HTTPD_CLIENT_BIDIR, /* check for reading and get data from cb */
};
struct httpd_client_t
{
httpd_url_t *url;
int i_ref;
int fd;
int i_mode;
int i_state;
int b_read_waiting; /* stop as soon as possible sending */
mtime_t i_activity_date;
mtime_t i_activity_timeout;
/* buffer for reading header */
int i_buffer_size;
int i_buffer;
uint8_t *p_buffer;
/* */
httpd_message_t query; /* client -> httpd */
httpd_message_t answer; /* httpd -> client */
/* TLS data */
tls_session_t *p_tls;
};
/*****************************************************************************
* Various functions
*****************************************************************************/
static const struct
{
const char psz_ext[8];
const char *psz_mime;
} http_mime[] =
{
{ ".htm", "text/html" },
{ ".html", "text/html" },
{ ".txt", "text/plain" },
{ ".xml", "text/xml" },
{ ".dtd", "text/dtd" },
{ ".css", "text/css" },
/* image mime */
{ ".gif", "image/gif" },
{ ".jpe", "image/jpeg" },
{ ".jpg", "image/jpeg" },
{ ".jpeg", "image/jpeg" },
{ ".png", "image/png" },
/* same as modules/mux/mpjpeg.c here: */
{ ".mpjpeg","multipart/x-mixed-replace; boundary=7b3cc56e5f51db803f790dad720ed50a" },
/* media mime */
{ ".avi", "video/avi" },
{ ".asf", "video/x-ms-asf" },
{ ".m1a", "audio/mpeg" },
{ ".m2a", "audio/mpeg" },
{ ".m1v", "video/mpeg" },
{ ".m2v", "video/mpeg" },
{ ".mp2", "audio/mpeg" },
{ ".mp3", "audio/mpeg" },
{ ".mpa", "audio/mpeg" },
{ ".mpg", "video/mpeg" },
{ ".mpeg", "video/mpeg" },
{ ".mpe", "video/mpeg" },
{ ".mov", "video/quicktime" },
{ ".moov", "video/quicktime" },
{ ".ogg", "application/ogg" },
{ ".ogm", "application/ogg" },
{ ".wav", "audio/wav" },
{ ".wma", "audio/x-ms-wma" },
{ ".wmv", "video/x-ms-wmv" },
/* end */
{ "", "" }
};
static const char *httpd_MimeFromUrl( const char *psz_url )
{
char *psz_ext;
psz_ext = strrchr( psz_url, '.' );
if( psz_ext )
{
int i;
for( i = 0; http_mime[i].psz_ext[0] ; i++ )
{
if( !strcasecmp( http_mime[i].psz_ext, psz_ext ) )
{
return http_mime[i].psz_mime;
}
}
}
return "application/octet-stream";
}
typedef struct
{
unsigned i_code;
const char psz_reason[36];
} http_status_info;
static const http_status_info http_reason[] =
{
/*{ 100, "Continue" },
{ 101, "Switching Protocols" },*/
{ 200, "OK" },
/*{ 201, "Created" },
{ 202, "Accepted" },
{ 203, "Non-authoritative information" },
{ 204, "No content" },
{ 205, "Reset content" },
{ 206, "Partial content" },
{ 250, "Low on storage space" },
{ 300, "Multiple choices" },*/
{ 301, "Moved permanently" },
/*{ 302, "Moved temporarily" },
{ 303, "See other" },
{ 304, "Not modified" },
{ 305, "Use proxy" },
{ 307, "Temporary redirect" },
{ 400, "Bad request" },*/
{ 401, "Unauthorized" },
/*{ 402, "Payment Required" },*/
{ 403, "Forbidden" },
{ 404, "Not found" },
{ 405, "Method not allowed" },
/*{ 406, "Not acceptable" },
{ 407, "Proxy authentication required" },
{ 408, "Request time-out" },
{ 409, "Conflict" },
{ 410, "Gone" },
{ 411, "Length required" },
{ 412, "Precondition failed" },
{ 413, "Request entity too large" },
{ 414, "Request-URI too large" },
{ 415, "Unsupported media Type" },
{ 416, "Requested range not satisfiable" },
{ 417, "Expectation failed" },
{ 451, "Parameter not understood" },
{ 452, "Conference not found" },
{ 453, "Not enough bandwidth" },*/
{ 454, "Session not found" },
/*{ 455, "Method not valid in this State" },*/
{ 456, "Header field not valid for resource" },
/*{ 457, "Invalid range" },
{ 458, "Read-only parameter" },*/
{ 459, "Aggregate operation not allowed" },
{ 460, "Non-aggregate operation not allowed" },
{ 461, "Unsupported transport" },
/*{ 462, "Destination unreachable" },*/
{ 500, "Internal server error" },
{ 501, "Not implemented" },
/*{ 502, "Bad gateway" },*/
{ 503, "Service unavailable" },
/*{ 504, "Gateway time-out" },*/
{ 505, "Protocol version not supported" },
{ 551, "Option not supported" },
{ 999, "" }
};
static const char psz_fallback_reason[5][16] =
{ "Continue", "OK", "Found", "Client error", "Server error" };
static const char *httpd_ReasonFromCode( unsigned i_code )
{
const http_status_info *p;
assert( ( i_code >= 100 ) && ( i_code <= 599 ) );
for (p = http_reason; i_code > p->i_code; p++);
if( p->i_code == i_code )
return p->psz_reason;
return psz_fallback_reason[(i_code / 100) - 1];
}
static size_t httpd_HtmlError (char **body, int code, const char *url)
{
const char *errname = httpd_ReasonFromCode (code);
assert (errname != NULL);
int res = asprintf (body,
"<?xml version=\"1.0\" encoding=\"ascii\" ?>\n"
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
" \"http://www.w3.org/TR/xhtml10/DTD/xhtml10strict.dtd\">\n"
"<html lang=\"en\">\n"
"<head>\n"
"<title>%s</title>\n"
"</head>\n"
"<body>\n"
"<h1>%d %s%s%s%s</h1>\n"
"<hr />\n"
"<a href=\"http://www.videolan.org\">VideoLAN</a>\n"
"</body>\n"
"</html>\n", errname, code, errname,
(url ? " (" : ""), (url ?: ""), (url ? ")" : ""));
if (res == -1)
{
*body = NULL;
return 0;
}
return (size_t)res;
}
/*****************************************************************************
* High Level Functions: httpd_file_t
*****************************************************************************/
struct httpd_file_t
{
httpd_url_t *url;
char *psz_url;
char *psz_mime;
httpd_file_callback_t pf_fill;
httpd_file_sys_t *p_sys;
};
static int
httpd_FileCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
httpd_message_t *answer, const httpd_message_t *query )
{
httpd_file_t *file = (httpd_file_t*)p_sys;
uint8_t **pp_body, *p_body;
const char *psz_connection;
int *pi_body, i_body;
if( answer == NULL || query == NULL )
{
return VLC_SUCCESS;
}
answer->i_proto = HTTPD_PROTO_HTTP;
answer->i_version= 1;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 200;
httpd_MsgAdd( answer, "Content-type", "%s", file->psz_mime );
httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
if( query->i_type != HTTPD_MSG_HEAD )
{
pp_body = &answer->p_body;
pi_body = &answer->i_body;
}
else
{
/* The file still needs to be executed. */
p_body = NULL;
i_body = 0;
pp_body = &p_body;
pi_body = &i_body;
}
if( query->i_type == HTTPD_MSG_POST )
{
/* msg_Warn not supported */
}
uint8_t *psz_args = query->psz_args;
file->pf_fill( file->p_sys, file, psz_args, pp_body, pi_body );
if( query->i_type == HTTPD_MSG_HEAD && p_body != NULL )
{
free( p_body );
}
/* We respect client request */
psz_connection = httpd_MsgGet( &cl->query, "Connection" );
if( psz_connection != NULL )
{
httpd_MsgAdd( answer, "Connection", "%s", psz_connection );
}
httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
return VLC_SUCCESS;
}
httpd_file_t *httpd_FileNew( httpd_host_t *host,
const char *psz_url, const char *psz_mime,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
httpd_file_sys_t *p_sys )
{
httpd_file_t *file = malloc( sizeof( httpd_file_t ) );
if( ( file->url = httpd_UrlNewUnique( host, psz_url, psz_user,
psz_password, p_acl )
) == NULL )
{
free( file );
return NULL;
}
file->psz_url = strdup( psz_url );
if( psz_mime && *psz_mime )
{
file->psz_mime = strdup( psz_mime );
}
else
{
file->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
}
file->pf_fill = pf_fill;
file->p_sys = p_sys;
httpd_UrlCatch( file->url, HTTPD_MSG_HEAD, httpd_FileCallBack,
(httpd_callback_sys_t*)file );
httpd_UrlCatch( file->url, HTTPD_MSG_GET, httpd_FileCallBack,
(httpd_callback_sys_t*)file );
httpd_UrlCatch( file->url, HTTPD_MSG_POST, httpd_FileCallBack,
(httpd_callback_sys_t*)file );
return file;
}
httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
{
httpd_file_sys_t *p_sys = file->p_sys;
httpd_UrlDelete( file->url );
free( file->psz_url );
free( file->psz_mime );
free( file );
return p_sys;
}
/*****************************************************************************
* High Level Functions: httpd_handler_t (for CGIs)
*****************************************************************************/
struct httpd_handler_t
{
httpd_url_t *url;
httpd_handler_callback_t pf_fill;
httpd_handler_sys_t *p_sys;
};
static int
httpd_HandlerCallBack( httpd_callback_sys_t *p_sys, httpd_client_t *cl,
httpd_message_t *answer, const httpd_message_t *query )
{
httpd_handler_t *handler = (httpd_handler_t*)p_sys;
char psz_remote_addr[NI_MAXNUMERICHOST];
if( answer == NULL || query == NULL )
{
return VLC_SUCCESS;
}
answer->i_proto = HTTPD_PROTO_NONE;
answer->i_type = HTTPD_MSG_ANSWER;
/* We do it ourselves, thanks */
answer->i_status = 0;
if( httpd_ClientIP( cl, psz_remote_addr ) == NULL )
*psz_remote_addr = '\0';
uint8_t *psz_args = query->psz_args;
handler->pf_fill( handler->p_sys, handler, query->psz_url, psz_args,
query->i_type, query->p_body, query->i_body,
psz_remote_addr, NULL,
&answer->p_body, &answer->i_body );
if( query->i_type == HTTPD_MSG_HEAD )
{
char *p = (char *)answer->p_body;
/* Looks for end of header (i.e. one empty line) */
while ( (p = strchr( p, '\r' )) != NULL )
{
if( p[1] && p[1] == '\n' && p[2] && p[2] == '\r'
&& p[3] && p[3] == '\n' )
{
break;
}
}
if( p != NULL )
{
p[4] = '\0';
answer->i_body = strlen((char*)answer->p_body) + 1;
answer->p_body = realloc( answer->p_body, answer->i_body );
}
}
if( strncmp( (char *)answer->p_body, "HTTP/1.", 7 ) )
{
int i_status, i_headers;
char *psz_headers, *psz_new;
const char *psz_status;
if( !strncmp( (char *)answer->p_body, "Status: ", 8 ) )
{
/* Apache-style */
i_status = strtol( (char *)&answer->p_body[8], &psz_headers, 0 );
if( *psz_headers ) psz_headers++;
if( *psz_headers ) psz_headers++;
i_headers = answer->i_body - (psz_headers - (char *)answer->p_body);
}
else
{
i_status = 200;
psz_headers = (char *)answer->p_body;
i_headers = answer->i_body;
}
psz_status = httpd_ReasonFromCode( i_status );
answer->i_body = sizeof("HTTP/1.0 xxx \r\n")
+ strlen(psz_status) + i_headers - 1;
psz_new = (char *)malloc( answer->i_body + 1);
sprintf( psz_new, "HTTP/1.0 %03d %s\r\n", i_status, psz_status );
memcpy( &psz_new[strlen(psz_new)], psz_headers, i_headers );
free( answer->p_body );
answer->p_body = (uint8_t *)psz_new;
}
return VLC_SUCCESS;
}
httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
const char *psz_user,
const char *psz_password,
const vlc_acl_t *p_acl,
httpd_handler_callback_t pf_fill,
httpd_handler_sys_t *p_sys )
{
httpd_handler_t *handler = malloc( sizeof( httpd_handler_t ) );
if( ( handler->url = httpd_UrlNewUnique( host, psz_url, psz_user,
psz_password, p_acl )
) == NULL )
{
free( handler );
return NULL;
}
handler->pf_fill = pf_fill;
handler->p_sys = p_sys;
httpd_UrlCatch( handler->url, HTTPD_MSG_HEAD, httpd_HandlerCallBack,
(httpd_callback_sys_t*)handler );
httpd_UrlCatch( handler->url, HTTPD_MSG_GET, httpd_HandlerCallBack,
(httpd_callback_sys_t*)handler );
httpd_UrlCatch( handler->url, HTTPD_MSG_POST, httpd_HandlerCallBack,
(httpd_callback_sys_t*)handler );
return handler;
}
httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
{
httpd_handler_sys_t *p_sys = handler->p_sys;
httpd_UrlDelete( handler->url );
free( handler );
return p_sys;
}
/*****************************************************************************
* High Level Functions: httpd_redirect_t
*****************************************************************************/
struct httpd_redirect_t
{
httpd_url_t *url;
char *psz_dst;
};
static int httpd_RedirectCallBack( httpd_callback_sys_t *p_sys,
httpd_client_t *cl, httpd_message_t *answer,
const httpd_message_t *query )
{
httpd_redirect_t *rdir = (httpd_redirect_t*)p_sys;
char *p_body;
(void)cl;
if( answer == NULL || query == NULL )
{
return VLC_SUCCESS;
}
answer->i_proto = HTTPD_PROTO_HTTP;
answer->i_version= 1;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 301;
answer->i_body = httpd_HtmlError (&p_body, 301, rdir->psz_dst);
answer->p_body = (unsigned char *)p_body;
/* XXX check if it's ok or we need to set an absolute url */
httpd_MsgAdd( answer, "Location", "%s", rdir->psz_dst );
httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
return VLC_SUCCESS;
}
httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
const char *psz_url_src )
{
httpd_redirect_t *rdir = malloc( sizeof( httpd_redirect_t ) );
if( !( rdir->url = httpd_UrlNewUnique( host, psz_url_src, NULL, NULL, NULL ) ) )
{
free( rdir );
return NULL;
}
rdir->psz_dst = strdup( psz_url_dst );
/* Redirect apply for all HTTP request and RTSP DESCRIBE resquest */
httpd_UrlCatch( rdir->url, HTTPD_MSG_HEAD, httpd_RedirectCallBack,
(httpd_callback_sys_t*)rdir );
httpd_UrlCatch( rdir->url, HTTPD_MSG_GET, httpd_RedirectCallBack,
(httpd_callback_sys_t*)rdir );
httpd_UrlCatch( rdir->url, HTTPD_MSG_POST, httpd_RedirectCallBack,
(httpd_callback_sys_t*)rdir );
httpd_UrlCatch( rdir->url, HTTPD_MSG_DESCRIBE, httpd_RedirectCallBack,
(httpd_callback_sys_t*)rdir );
return rdir;
}
void httpd_RedirectDelete( httpd_redirect_t *rdir )
{
httpd_UrlDelete( rdir->url );
free( rdir->psz_dst );
free( rdir );
}
/*****************************************************************************
* High Level Funtions: httpd_stream_t
*****************************************************************************/
struct httpd_stream_t
{
vlc_mutex_t lock;
httpd_url_t *url;
char *psz_mime;
/* Header to send as first packet */
uint8_t *p_header;
int i_header;
/* circular buffer */
int i_buffer_size; /* buffer size, can't be reallocated smaller */
uint8_t *p_buffer; /* buffer */
int64_t i_buffer_pos; /* absolute position from begining */
int64_t i_buffer_last_pos; /* a new connection will start with that */
};
static int httpd_StreamCallBack( httpd_callback_sys_t *p_sys,
httpd_client_t *cl, httpd_message_t *answer,
const httpd_message_t *query )
{
httpd_stream_t *stream = (httpd_stream_t*)p_sys;
if( answer == NULL || query == NULL || cl == NULL )
{
return VLC_SUCCESS;
}
if( answer->i_body_offset > 0 )
{
int64_t i_write;
int i_pos;
#if 0
fprintf( stderr, "httpd_StreamCallBack i_body_offset=%lld\n",
answer->i_body_offset );
#endif
if( answer->i_body_offset >= stream->i_buffer_pos )
{
/* fprintf( stderr, "httpd_StreamCallBack: no data\n" ); */
return VLC_EGENERIC; /* wait, no data available */
}
if( answer->i_body_offset + stream->i_buffer_size <
stream->i_buffer_pos )
{
/* this client isn't fast enough */
#if 0
fprintf( stderr, "fixing i_body_offset (old=%lld new=%lld)\n",
answer->i_body_offset, stream->i_buffer_last_pos );
#endif
answer->i_body_offset = stream->i_buffer_last_pos;
}
i_pos = answer->i_body_offset % stream->i_buffer_size;
i_write = stream->i_buffer_pos - answer->i_body_offset;
if( i_write > HTTPD_CL_BUFSIZE )
{
i_write = HTTPD_CL_BUFSIZE;
}
else if( i_write <= 0 )
{
return VLC_EGENERIC; /* wait, no data available */
}
/* Don't go past the end of the circular buffer */
i_write = __MIN( i_write, stream->i_buffer_size - i_pos );
/* using HTTPD_MSG_ANSWER -> data available */
answer->i_proto = HTTPD_PROTO_HTTP;
answer->i_version= 0;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_body = i_write;
answer->p_body = malloc( i_write );
memcpy( answer->p_body, &stream->p_buffer[i_pos], i_write );
answer->i_body_offset += i_write;
return VLC_SUCCESS;
}
else
{
answer->i_proto = HTTPD_PROTO_HTTP;
answer->i_version= 0;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_status = 200;
if( query->i_type != HTTPD_MSG_HEAD )
{
httpd_ClientModeStream( cl );
vlc_mutex_lock( &stream->lock );
/* Send the header */
if( stream->i_header > 0 )
{
answer->i_body = stream->i_header;
answer->p_body = malloc( stream->i_header );
memcpy( answer->p_body, stream->p_header, stream->i_header );
}
answer->i_body_offset = stream->i_buffer_last_pos;
vlc_mutex_unlock( &stream->lock );
}
else
{
httpd_MsgAdd( answer, "Content-Length", "%d", 0 );
answer->i_body_offset = 0;
}
if( !strcmp( stream->psz_mime, "video/x-ms-asf-stream" ) )
{
bool b_xplaystream = false;
int i;
httpd_MsgAdd( answer, "Content-type", "%s",
"application/octet-stream" );
httpd_MsgAdd( answer, "Server", "Cougar 4.1.0.3921" );
httpd_MsgAdd( answer, "Pragma", "no-cache" );
httpd_MsgAdd( answer, "Pragma", "client-id=%d", rand()&0x7fff );
httpd_MsgAdd( answer, "Pragma", "features=\"broadcast\"" );
/* Check if there is a xPlayStrm=1 */
for( i = 0; i < query->i_name; i++ )
{
if( !strcasecmp( query->name[i], "Pragma" ) &&
strstr( query->value[i], "xPlayStrm=1" ) )
{
b_xplaystream = true;
}
}
if( !b_xplaystream )
{
answer->i_body_offset = 0;
}
}
else
{
httpd_MsgAdd( answer, "Content-type", "%s", stream->psz_mime );
}
httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
return VLC_SUCCESS;
}
}
httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
const char *psz_url, const char *psz_mime,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
httpd_stream_t *stream = malloc( sizeof( httpd_stream_t ) );
if( ( stream->url = httpd_UrlNewUnique( host, psz_url, psz_user,
psz_password, p_acl )
) == NULL )
{
free( stream );
return NULL;
}
vlc_mutex_init( &stream->lock );
if( psz_mime && *psz_mime )
{
stream->psz_mime = strdup( psz_mime );
}
else
{
stream->psz_mime = strdup( httpd_MimeFromUrl( psz_url ) );
}
stream->i_header = 0;
stream->p_header = NULL;
stream->i_buffer_size = 5000000; /* 5 Mo per stream */
stream->p_buffer = malloc( stream->i_buffer_size );
/* We set to 1 to make life simpler
* (this way i_body_offset can never be 0) */
stream->i_buffer_pos = 1;
stream->i_buffer_last_pos = 1;
httpd_UrlCatch( stream->url, HTTPD_MSG_HEAD, httpd_StreamCallBack,
(httpd_callback_sys_t*)stream );
httpd_UrlCatch( stream->url, HTTPD_MSG_GET, httpd_StreamCallBack,
(httpd_callback_sys_t*)stream );
httpd_UrlCatch( stream->url, HTTPD_MSG_POST, httpd_StreamCallBack,
(httpd_callback_sys_t*)stream );
return stream;
}
int httpd_StreamHeader( httpd_stream_t *stream, uint8_t *p_data, int i_data )
{
vlc_mutex_lock( &stream->lock );
free( stream->p_header );
stream->p_header = NULL;
stream->i_header = i_data;
if( i_data > 0 )
{
stream->p_header = malloc( i_data );
memcpy( stream->p_header, p_data, i_data );
}
vlc_mutex_unlock( &stream->lock );
return VLC_SUCCESS;
}
int httpd_StreamSend( httpd_stream_t *stream, uint8_t *p_data, int i_data )
{
int i_count;
int i_pos;
if( i_data < 0 || p_data == NULL )
{
return VLC_SUCCESS;
}
vlc_mutex_lock( &stream->lock );
/* save this pointer (to be used by new connection) */
stream->i_buffer_last_pos = stream->i_buffer_pos;
i_pos = stream->i_buffer_pos % stream->i_buffer_size;
i_count = i_data;
while( i_count > 0)
{
int i_copy;
i_copy = __MIN( i_count, stream->i_buffer_size - i_pos );
/* Ok, we can't go past the end of our buffer */
memcpy( &stream->p_buffer[i_pos], p_data, i_copy );
i_pos = ( i_pos + i_copy ) % stream->i_buffer_size;
i_count -= i_copy;
p_data += i_copy;
}
stream->i_buffer_pos += i_data;
vlc_mutex_unlock( &stream->lock );
return VLC_SUCCESS;
}
void httpd_StreamDelete( httpd_stream_t *stream )
{
httpd_UrlDelete( stream->url );
vlc_mutex_destroy( &stream->lock );
free( stream->psz_mime );
free( stream->p_header );
free( stream->p_buffer );
free( stream );
}
/*****************************************************************************
* Low level
*****************************************************************************/
static void* httpd_HostThread( vlc_object_t * );
/* create a new host */
httpd_host_t *httpd_HostNew( vlc_object_t *p_this, const char *psz_host,
int i_port )
{
return httpd_TLSHostNew( p_this, psz_host, i_port, NULL, NULL, NULL, NULL
);
}
static const char psz_object_type[] = "http server";
httpd_host_t *httpd_TLSHostNew( vlc_object_t *p_this, const char *psz_hostname,
int i_port,
const char *psz_cert, const char *psz_key,
const char *psz_ca, const char *psz_crl )
{
httpd_t *httpd;
httpd_host_t *host;
tls_server_t *p_tls;
char *psz_host;
vlc_value_t lockval, ptrval;
int i;
if( psz_hostname == NULL )
psz_hostname = "";
psz_host = strdup( psz_hostname );
if( psz_host == NULL )
return NULL;
/* to be sure to avoid multiple creation */
var_Create( p_this->p_libvlc, "httpd_mutex", VLC_VAR_MUTEX );
var_Get( p_this->p_libvlc, "httpd_mutex", &lockval );
vlc_mutex_lock( lockval.p_address );
httpd = libvlc_priv (p_this->p_libvlc)->p_httpd;
if( httpd == NULL )
{
msg_Info( p_this, "creating httpd" );
httpd = (httpd_t *)vlc_custom_create( p_this, sizeof (*httpd),
VLC_OBJECT_GENERIC,
psz_object_type );
if( httpd == NULL )
{
vlc_mutex_unlock( lockval.p_address );
free( psz_host );
return NULL;
}
httpd->i_host = 0;
httpd->host = NULL;
ptrval.p_address = httpd;
libvlc_priv (p_this->p_libvlc)->p_httpd = httpd;
vlc_object_yield( httpd );
vlc_object_attach( httpd, p_this->p_libvlc );
}
/* verify if it already exist */
for( i = httpd->i_host - 1; i >= 0; i-- )
{
host = httpd->host[i];
/* cannot mix TLS and non-TLS hosts */
if( ( ( httpd->host[i]->p_tls != NULL ) != ( psz_cert != NULL ) )
|| ( host->i_port != i_port )
|| strcmp( host->psz_hostname, psz_hostname ) )
continue;
/* yep found */
host->i_ref++;
vlc_mutex_unlock( lockval.p_address );
return host;
}
host = NULL;
/* determine TLS configuration */
if ( psz_cert != NULL )
{
p_tls = tls_ServerCreate( p_this, psz_cert, psz_key );
if ( p_tls == NULL )
{
msg_Err( p_this, "TLS initialization error" );
goto error;
}
if ( ( psz_ca != NULL) && tls_ServerAddCA( p_tls, psz_ca ) )
{
msg_Err( p_this, "TLS CA error" );
goto error;
}
if ( ( psz_crl != NULL) && tls_ServerAddCRL( p_tls, psz_crl ) )
{
msg_Err( p_this, "TLS CRL error" );
goto error;
}
}
else
p_tls = NULL;
/* create the new host */
host = (httpd_host_t *)vlc_custom_create( p_this, sizeof (*host),
VLC_OBJECT_GENERIC,
psz_object_type );
if (host == NULL)
goto error;
vlc_object_lock( host );
if( vlc_object_waitpipe( VLC_OBJECT( host ) ) == -1 )
{
msg_Err( host, "signaling pipe error: %m" );
vlc_object_unlock( host );
goto error;
}
vlc_object_unlock( host );
host->httpd = httpd;
vlc_mutex_init( &host->lock );
host->i_ref = 1;
host->fds = net_ListenTCP( p_this, psz_host, i_port );
if( host->fds == NULL )
{
msg_Err( p_this, "cannot create socket(s) for HTTP host" );
goto error;
}
for (host->nfd = 0; host->fds[host->nfd] != -1; host->nfd++);
host->i_port = i_port;
host->psz_hostname = psz_host;
host->i_url = 0;
host->url = NULL;
host->i_client = 0;
host->client = NULL;
host->p_tls = p_tls;
/* create the thread */
if( vlc_thread_create( host, "httpd host thread", httpd_HostThread,
VLC_THREAD_PRIORITY_LOW, false ) )
{
msg_Err( p_this, "cannot spawn http host thread" );
goto error;
}
/* now add it to httpd */
TAB_APPEND( httpd->i_host, httpd->host, host );
vlc_mutex_unlock( lockval.p_address );
return host;
error:
free( psz_host );
if( httpd->i_host <= 0 )
{
vlc_object_release( httpd );
vlc_object_detach( httpd );
vlc_object_release( httpd );
}
vlc_mutex_unlock( lockval.p_address );
if( host != NULL )
{
net_ListenClose( host->fds );
vlc_mutex_destroy( &host->lock );
vlc_object_release( host );
}
if( p_tls != NULL )
tls_ServerDelete( p_tls );
return NULL;
}
/* delete a host */
void httpd_HostDelete( httpd_host_t *host )
{
httpd_t *httpd = host->httpd;
vlc_value_t lockval;
int i;
var_Get( httpd->p_libvlc, "httpd_mutex", &lockval );
vlc_mutex_lock( lockval.p_address );
host->i_ref--;
if( host->i_ref > 0 )
{
/* still used */
vlc_mutex_unlock( lockval.p_address );
msg_Dbg( host, "httpd_HostDelete: host still used" );
return;
}
TAB_REMOVE( httpd->i_host, httpd->host, host );
vlc_object_kill( host );
vlc_thread_join( host );
msg_Dbg( host, "HTTP host removed" );
for( i = 0; i < host->i_url; i++ )
{
msg_Err( host, "url still registered: %s", host->url[i]->psz_url );
}
for( i = 0; i < host->i_client; i++ )
{
httpd_client_t *cl = host->client[i];
msg_Warn( host, "client still connected" );
httpd_ClientClean( cl );
TAB_REMOVE( host->i_client, host->client, cl );
free( cl );
i--;
/* TODO */
}
if( host->p_tls != NULL)
tls_ServerDelete( host->p_tls );
net_ListenClose( host->fds );
free( host->psz_hostname );
vlc_mutex_destroy( &host->lock );
vlc_object_release( host );
vlc_object_release( httpd );
if( httpd->i_host <= 0 )
{
msg_Dbg( httpd, "no host left, stopping httpd" );
libvlc_priv (httpd->p_libvlc)->p_httpd = NULL;
vlc_object_detach( httpd );
vlc_object_release( httpd );
}
vlc_mutex_unlock( lockval.p_address );
}
/* register a new url */
static httpd_url_t *httpd_UrlNewPrivate( httpd_host_t *host, const char *psz_url,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl, bool b_check )
{
httpd_url_t *url;
int i;
assert( psz_url != NULL );
vlc_mutex_lock( &host->lock );
if( b_check )
{
for( i = 0; i < host->i_url; i++ )
{
if( !strcmp( psz_url, host->url[i]->psz_url ) )
{
msg_Warn( host->httpd,
"cannot add '%s' (url already defined)", psz_url );
vlc_mutex_unlock( &host->lock );
return NULL;
}
}
}
url = malloc( sizeof( httpd_url_t ) );
url->host = host;
vlc_mutex_init( &url->lock );
url->psz_url = strdup( psz_url );
url->psz_user = strdup( psz_user ? psz_user : "" );
url->psz_password = strdup( psz_password ? psz_password : "" );
url->p_acl = ACL_Duplicate( host, p_acl );
for( i = 0; i < HTTPD_MSG_MAX; i++ )
{
url->catch[i].cb = NULL;
url->catch[i].p_sys = NULL;
}
TAB_APPEND( host->i_url, host->url, url );
vlc_mutex_unlock( &host->lock );
return url;
}
httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
return httpd_UrlNewPrivate( host, psz_url, psz_user,
psz_password, p_acl, false );
}
httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
return httpd_UrlNewPrivate( host, psz_url, psz_user,
psz_password, p_acl, true );
}
/* register callback on a url */
int httpd_UrlCatch( httpd_url_t *url, int i_msg, httpd_callback_t cb,
httpd_callback_sys_t *p_sys )
{
vlc_mutex_lock( &url->lock );
url->catch[i_msg].cb = cb;
url->catch[i_msg].p_sys= p_sys;
vlc_mutex_unlock( &url->lock );
return VLC_SUCCESS;
}
/* delete an url */
void httpd_UrlDelete( httpd_url_t *url )
{
httpd_host_t *host = url->host;
int i;
vlc_mutex_lock( &host->lock );
TAB_REMOVE( host->i_url, host->url, url );
vlc_mutex_destroy( &url->lock );
free( url->psz_url );
free( url->psz_user );
free( url->psz_password );
ACL_Destroy( url->p_acl );
for( i = 0; i < host->i_client; i++ )
{
httpd_client_t *client = host->client[i];
if( client->url == url )
{
/* TODO complete it */
msg_Warn( host, "force closing connections" );
httpd_ClientClean( client );
TAB_REMOVE( host->i_client, host->client, client );
free( client );
i--;
}
}
free( url );
vlc_mutex_unlock( &host->lock );
}
void httpd_MsgInit( httpd_message_t *msg )
{
msg->cl = NULL;
msg->i_type = HTTPD_MSG_NONE;
msg->i_proto = HTTPD_PROTO_NONE;
msg->i_version = -1; /* FIXME */
msg->i_status = 0;
msg->psz_url = NULL;
msg->psz_args = NULL;
msg->i_channel = -1;
msg->i_name = 0;
msg->name = NULL;
msg->i_value = 0;
msg->value = NULL;
msg->i_body_offset = 0;
msg->i_body = 0;
msg->p_body = NULL;
}
void httpd_MsgClean( httpd_message_t *msg )
{
int i;
free( msg->psz_url );
free( msg->psz_args );
for( i = 0; i < msg->i_name; i++ )
{
free( msg->name[i] );
free( msg->value[i] );
}
free( msg->name );
free( msg->value );
free( msg->p_body );
httpd_MsgInit( msg );
}
const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
{
int i;
for( i = 0; i < msg->i_name; i++ )
{
if( !strcasecmp( msg->name[i], name ))
{
return msg->value[i];
}
}
return NULL;
}
void httpd_MsgAdd( httpd_message_t *msg, const char *name, const char *psz_value, ... )
{
va_list args;
char *value = NULL;
va_start( args, psz_value );
if( vasprintf( &value, psz_value, args ) == -1 )
value = NULL;
va_end( args );
if( value == NULL )
return;
name = strdup( name );
if( name == NULL )
{
free( value );
return;
}
TAB_APPEND( msg->i_name, msg->name, (char*)name );
TAB_APPEND( msg->i_value, msg->value, value );
}
static void httpd_ClientInit( httpd_client_t *cl, mtime_t now )
{
cl->i_state = HTTPD_CLIENT_RECEIVING;
cl->i_activity_date = now;
cl->i_activity_timeout = INT64_C(10000000);
cl->i_buffer_size = HTTPD_CL_BUFSIZE;
cl->i_buffer = 0;
cl->p_buffer = malloc( cl->i_buffer_size );
cl->i_mode = HTTPD_CLIENT_FILE;
cl->b_read_waiting = false;
httpd_MsgInit( &cl->query );
httpd_MsgInit( &cl->answer );
}
void httpd_ClientModeStream( httpd_client_t *cl )
{
cl->i_mode = HTTPD_CLIENT_STREAM;
}
void httpd_ClientModeBidir( httpd_client_t *cl )
{
cl->i_mode = HTTPD_CLIENT_BIDIR;
}
char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
{
return net_GetPeerAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
}
char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
{
return net_GetSockAddress( cl->fd, psz_ip, NULL ) ? NULL : psz_ip;
}
static void httpd_ClientClean( httpd_client_t *cl )
{
if( cl->fd >= 0 )
{
if( cl->p_tls != NULL )
tls_ServerSessionClose( cl->p_tls );
net_Close( cl->fd );
cl->fd = -1;
}
httpd_MsgClean( &cl->answer );
httpd_MsgClean( &cl->query );
free( cl->p_buffer );
cl->p_buffer = NULL;
}
static httpd_client_t *httpd_ClientNew( int fd, tls_session_t *p_tls, mtime_t now )
{
httpd_client_t *cl = malloc( sizeof( httpd_client_t ) );
if( !cl ) return NULL;
cl->i_ref = 0;
cl->fd = fd;
cl->url = NULL;
cl->p_tls = p_tls;
httpd_ClientInit( cl, now );
return cl;
}
static
ssize_t httpd_NetRecv (httpd_client_t *cl, uint8_t *p, size_t i_len)
{
tls_session_t *p_tls;
ssize_t val;
p_tls = cl->p_tls;
do
val = p_tls ? tls_Recv (p_tls, p, i_len)
: recv (cl->fd, p, i_len, 0);
while (val == -1 && errno == EINTR);
return val;
}
static
ssize_t httpd_NetSend (httpd_client_t *cl, const uint8_t *p, size_t i_len)
{
tls_session_t *p_tls;
ssize_t val;
p_tls = cl->p_tls;
do
val = p_tls ? tls_Send( p_tls, p, i_len )
: send (cl->fd, p, i_len, 0);
while (val == -1 && errno == EINTR);
return val;
}
static const struct
{
const char name[16];
int i_type;
int i_proto;
}
msg_type[] =
{
{ "OPTIONS", HTTPD_MSG_OPTIONS, HTTPD_PROTO_RTSP },
{ "DESCRIBE", HTTPD_MSG_DESCRIBE, HTTPD_PROTO_RTSP },
{ "SETUP", HTTPD_MSG_SETUP, HTTPD_PROTO_RTSP },
{ "PLAY", HTTPD_MSG_PLAY, HTTPD_PROTO_RTSP },
{ "PAUSE", HTTPD_MSG_PAUSE, HTTPD_PROTO_RTSP },
{ "GET_PARAMETER", HTTPD_MSG_GETPARAMETER, HTTPD_PROTO_RTSP },
{ "TEARDOWN", HTTPD_MSG_TEARDOWN, HTTPD_PROTO_RTSP },
{ "GET", HTTPD_MSG_GET, HTTPD_PROTO_HTTP },
{ "HEAD", HTTPD_MSG_HEAD, HTTPD_PROTO_HTTP },
{ "POST", HTTPD_MSG_POST, HTTPD_PROTO_HTTP },
{ "", HTTPD_MSG_NONE, HTTPD_PROTO_NONE }
};
static void httpd_ClientRecv( httpd_client_t *cl )
{
int i_len;
/* ignore leading whites */
if( ( cl->query.i_proto == HTTPD_PROTO_NONE ) &&
( cl->i_buffer == 0 ) )
{
unsigned char c;
i_len = httpd_NetRecv( cl, &c, 1 );
if( ( i_len > 0 ) && ( strchr( "\r\n\t ", c ) == NULL ) )
{
cl->p_buffer[0] = c;
cl->i_buffer++;
}
}
else
if( cl->query.i_proto == HTTPD_PROTO_NONE )
{
/* enough to see if it's Interleaved RTP over RTSP or RTSP/HTTP */
i_len = httpd_NetRecv( cl, &cl->p_buffer[cl->i_buffer],
7 - cl->i_buffer );
if( i_len > 0 )
{
cl->i_buffer += i_len;
}
if( ( cl->i_buffer >= 4 ) && ( cl->p_buffer[0] == '$' ) )
{
/* Interleaved RTP over RTSP */
cl->query.i_proto = HTTPD_PROTO_RTSP;
cl->query.i_type = HTTPD_MSG_CHANNEL;
cl->query.i_channel = cl->p_buffer[1];
cl->query.i_body = (cl->p_buffer[2] << 8)|cl->p_buffer[3];
cl->query.p_body = malloc( cl->query.i_body );
cl->i_buffer -= 4;
memcpy( cl->query.p_body, cl->p_buffer + 4, cl->i_buffer );
}
else
/* The smallest legal request is 7 bytes ("GET /\r\n"),
* this is the maximum we can ask at this point. */
if( cl->i_buffer >= 7 )
{
if( !memcmp( cl->p_buffer, "HTTP/1.", 7 ) )
{
cl->query.i_proto = HTTPD_PROTO_HTTP;
cl->query.i_type = HTTPD_MSG_ANSWER;
}
else if( !memcmp( cl->p_buffer, "RTSP/1.", 7 ) )
{
cl->query.i_proto = HTTPD_PROTO_RTSP;
cl->query.i_type = HTTPD_MSG_ANSWER;
}
else
{
/* We need the full request line to determine the protocol. */
cl->query.i_proto = HTTPD_PROTO_HTTP0;
cl->query.i_type = HTTPD_MSG_NONE;
}
}
}
else if( cl->query.i_body > 0 )
{
/* we are reading the body of a request or a channel */
i_len = httpd_NetRecv( cl, &cl->query.p_body[cl->i_buffer],
cl->query.i_body - cl->i_buffer );
if( i_len > 0 )
{
cl->i_buffer += i_len;
}
if( cl->i_buffer >= cl->query.i_body )
{
cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
}
}
else
{
/* we are reading a header -> char by char */
for( ;; )
{
if( cl->i_buffer == cl->i_buffer_size )
{
uint8_t *newbuf = realloc( cl->p_buffer, cl->i_buffer_size + 1024 );
if( newbuf == NULL )
{
i_len = 0;
break;
}
cl->p_buffer = newbuf;
cl->i_buffer_size += 1024;
}
i_len = httpd_NetRecv (cl, &cl->p_buffer[cl->i_buffer], 1 );
if( i_len <= 0 )
{
break;
}
cl->i_buffer++;
if( ( cl->query.i_proto == HTTPD_PROTO_HTTP0 )
&& ( cl->p_buffer[cl->i_buffer - 1] == '\n' ) )
{
/* Request line is now complete */
const char *p = memchr( cl->p_buffer, ' ', cl->i_buffer );
size_t len;
assert( cl->query.i_type == HTTPD_MSG_NONE );
if( p == NULL ) /* no URI: evil guy */
{
i_len = 0; /* drop connection */
break;
}
do
p++; /* skips extra spaces */
while( *p == ' ' );
p = memchr( p, ' ', ((char *)cl->p_buffer) + cl->i_buffer - p );
if( p == NULL ) /* no explicit protocol: HTTP/0.9 */
{
i_len = 0; /* not supported currently -> drop */
break;
}
do
p++; /* skips extra spaces ever again */
while( *p == ' ' );
len = ((char *)cl->p_buffer) + cl->i_buffer - p;
if( len < 7 ) /* foreign protocol */
i_len = 0; /* I don't understand -> drop */
else
if( memcmp( p, "HTTP/1.", 7 ) == 0 )
{
cl->query.i_proto = HTTPD_PROTO_HTTP;
cl->query.i_version = atoi( p + 7 );
}
else
if( memcmp( p, "RTSP/1.", 7 ) == 0 )
{
cl->query.i_proto = HTTPD_PROTO_RTSP;
cl->query.i_version = atoi( p + 7 );
}
else
if( memcmp( p, "HTTP/", 5 ) == 0 )
{
const uint8_t sorry[] =
"HTTP/1.1 505 Unknown HTTP version\r\n\r\n";
httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
i_len = 0; /* drop */
}
else
if( memcmp( p, "RTSP/", 5 ) == 0 )
{
const uint8_t sorry[] =
"RTSP/1.0 505 Unknown RTSP version\r\n\r\n";
httpd_NetSend( cl, sorry, sizeof( sorry ) - 1 );
i_len = 0; /* drop */
}
else /* yet another foreign protocol */
i_len = 0;
if( i_len == 0 )
break;
}
if( ( cl->i_buffer >= 2 && !memcmp( &cl->p_buffer[cl->i_buffer-2], "\n\n", 2 ) )||
( cl->i_buffer >= 4 && !memcmp( &cl->p_buffer[cl->i_buffer-4], "\r\n\r\n", 4 ) ) )
{
char *p;
/* we have finished the header so parse it and set i_body */
cl->p_buffer[cl->i_buffer] = '\0';
if( cl->query.i_type == HTTPD_MSG_ANSWER )
{
/* FIXME:
* assume strlen( "HTTP/1.x" ) = 8
*/
cl->query.i_status =
strtol( (char *)&cl->p_buffer[8],
&p, 0 );
while( *p == ' ' )
p++;
}
else
{
unsigned i;
p = NULL;
cl->query.i_type = HTTPD_MSG_NONE;
/*fprintf( stderr, "received new request=%s\n", cl->p_buffer);*/
for( i = 0; msg_type[i].name[0]; i++ )
{
if( !strncmp( (char *)cl->p_buffer, msg_type[i].name,
strlen( msg_type[i].name ) ) )
{
p = (char *)&cl->p_buffer[strlen(msg_type[i].name) + 1 ];
cl->query.i_type = msg_type[i].i_type;
if( cl->query.i_proto != msg_type[i].i_proto )
{
p = NULL;
cl->query.i_proto = HTTPD_PROTO_NONE;
cl->query.i_type = HTTPD_MSG_NONE;
}
break;
}
}
if( p == NULL )
{
if( strstr( (char *)cl->p_buffer, "HTTP/1." ) )
{
cl->query.i_proto = HTTPD_PROTO_HTTP;
}
else if( strstr( (char *)cl->p_buffer, "RTSP/1." ) )
{
cl->query.i_proto = HTTPD_PROTO_RTSP;
}
}
else
{
char *p2;
char *p3;
while( *p == ' ' )
{
p++;
}
p2 = strchr( p, ' ' );
if( p2 )
{
*p2++ = '\0';
}
if( !strncasecmp( p, "rtsp:", 5 ) )
{
/* for rtsp url, you have rtsp://localhost:port/path */
p += 5;
while( *p == '/' ) p++;
while( *p && *p != '/' ) p++;
}
cl->query.psz_url = strdup( p );
if( ( p3 = strchr( cl->query.psz_url, '?' ) ) )
{
*p3++ = '\0';
cl->query.psz_args = (uint8_t *)strdup( p3 );
}
p = p2;
}
}
if( p )
{
p = strchr( p, '\n' );
}
if( p )
{
while( *p == '\n' || *p == '\r' )
{
p++;
}
while( p && *p != '\0' )
{
char *line = p;
char *eol = p = strchr( p, '\n' );
char *colon;
while( eol && eol >= line && ( *eol == '\n' || *eol == '\r' ) )
{
*eol-- = '\0';
}
if( ( colon = strchr( line, ':' ) ) )
{
char *name;
char *value;
*colon++ = '\0';
while( *colon == ' ' )
{
colon++;
}
name = strdup( line );
value = strdup( colon );
TAB_APPEND( cl->query.i_name, cl->query.name, name );
TAB_APPEND( cl->query.i_value,cl->query.value,value);
if( !strcasecmp( name, "Content-Length" ) )
{
cl->query.i_body = atol( value );
}
}
if( p )
{
p++;
while( *p == '\n' || *p == '\r' )
{
p++;
}
}
}
}
if( cl->query.i_body > 0 )
{
/* TODO Mhh, handle the case client will only send a
* request and close the connection
* to mark and of body (probably only RTSP) */
cl->query.p_body = malloc( cl->query.i_body );
cl->i_buffer = 0;
}
else
{
cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
}
}
}
}
/* check if the client is to be set to dead */
#if defined( WIN32 ) || defined( UNDER_CE )
if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
#else
if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
#endif
{
if( cl->query.i_proto != HTTPD_PROTO_NONE && cl->query.i_type != HTTPD_MSG_NONE )
{
/* connection closed -> end of data */
if( cl->query.i_body > 0 )
{
cl->query.i_body = cl->i_buffer;
}
cl->i_state = HTTPD_CLIENT_RECEIVE_DONE;
}
else
{
cl->i_state = HTTPD_CLIENT_DEAD;
}
}
/* XXX: for QT I have to disable timeout. Try to find why */
if( cl->query.i_proto == HTTPD_PROTO_RTSP )
cl->i_activity_timeout = 0;
#if 0 /* Debugging only */
if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
{
int i;
fprintf( stderr, "received new request\n" );
fprintf( stderr, " - proto=%s\n",
cl->query.i_proto == HTTPD_PROTO_HTTP ? "HTTP" : "RTSP" );
fprintf( stderr, " - version=%d\n", cl->query.i_version );
fprintf( stderr, " - msg=%d\n", cl->query.i_type );
if( cl->query.i_type == HTTPD_MSG_ANSWER )
{
fprintf( stderr, " - answer=%d '%s'\n", cl->query.i_status,
cl->query.psz_status );
}
else if( cl->query.i_type != HTTPD_MSG_NONE )
{
fprintf( stderr, " - url=%s\n", cl->query.psz_url );
}
for( i = 0; i < cl->query.i_name; i++ )
{
fprintf( stderr, " - option name='%s' value='%s'\n",
cl->query.name[i], cl->query.value[i] );
}
}
#endif
}
static void httpd_ClientSend( httpd_client_t *cl )
{
int i;
int i_len;
if( cl->i_buffer < 0 )
{
/* We need to create the header */
int i_size = 0;
char *p;
const char *psz_status = httpd_ReasonFromCode( cl->answer.i_status );
i_size = strlen( "HTTP/1.") + 10 + 10 + strlen( psz_status ) + 5;
for( i = 0; i < cl->answer.i_name; i++ )
{
i_size += strlen( cl->answer.name[i] ) + 2 +
strlen( cl->answer.value[i] ) + 2;
}
if( cl->i_buffer_size < i_size )
{
cl->i_buffer_size = i_size;
free( cl->p_buffer );
cl->p_buffer = malloc( i_size );
}
p = (char *)cl->p_buffer;
p += sprintf( p, "%s.%u %d %s\r\n",
cl->answer.i_proto == HTTPD_PROTO_HTTP ? "HTTP/1" : "RTSP/1",
cl->answer.i_version,
cl->answer.i_status, psz_status );
for( i = 0; i < cl->answer.i_name; i++ )
{
p += sprintf( p, "%s: %s\r\n", cl->answer.name[i],
cl->answer.value[i] );
}
p += sprintf( p, "\r\n" );
cl->i_buffer = 0;
cl->i_buffer_size = (uint8_t*)p - cl->p_buffer;
/*fprintf( stderr, "sending answer\n" );
fprintf( stderr, "%s", cl->p_buffer );*/
}
i_len = httpd_NetSend( cl, &cl->p_buffer[cl->i_buffer],
cl->i_buffer_size - cl->i_buffer );
if( i_len >= 0 )
{
cl->i_buffer += i_len;
if( cl->i_buffer >= cl->i_buffer_size )
{
if( cl->answer.i_body == 0 && cl->answer.i_body_offset > 0 &&
!cl->b_read_waiting )
{
/* catch more body data */
int i_msg = cl->query.i_type;
int64_t i_offset = cl->answer.i_body_offset;
httpd_MsgClean( &cl->answer );
cl->answer.i_body_offset = i_offset;
cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
&cl->answer, &cl->query );
}
if( cl->answer.i_body > 0 )
{
/* send the body data */
free( cl->p_buffer );
cl->p_buffer = cl->answer.p_body;
cl->i_buffer_size = cl->answer.i_body;
cl->i_buffer = 0;
cl->answer.i_body = 0;
cl->answer.p_body = NULL;
}
else
{
/* send finished */
cl->i_state = HTTPD_CLIENT_SEND_DONE;
}
}
}
else
{
#if defined( WIN32 ) || defined( UNDER_CE )
if( ( i_len < 0 && WSAGetLastError() != WSAEWOULDBLOCK ) || ( i_len == 0 ) )
#else
if( ( i_len < 0 && errno != EAGAIN ) || ( i_len == 0 ) )
#endif
{
/* error */
cl->i_state = HTTPD_CLIENT_DEAD;
}
}
}
static void httpd_ClientTlsHsIn( httpd_client_t *cl )
{
switch( tls_SessionContinueHandshake( cl->p_tls ) )
{
case 0:
cl->i_state = HTTPD_CLIENT_RECEIVING;
break;
case -1:
cl->i_state = HTTPD_CLIENT_DEAD;
cl->p_tls = NULL;
break;
case 2:
cl->i_state = HTTPD_CLIENT_TLS_HS_OUT;
}
}
static void httpd_ClientTlsHsOut( httpd_client_t *cl )
{
switch( tls_SessionContinueHandshake( cl->p_tls ) )
{
case 0:
cl->i_state = HTTPD_CLIENT_RECEIVING;
break;
case -1:
cl->i_state = HTTPD_CLIENT_DEAD;
cl->p_tls = NULL;
break;
case 1:
cl->i_state = HTTPD_CLIENT_TLS_HS_IN;
break;
}
}
static void* httpd_HostThread( vlc_object_t *p_this )
{
httpd_host_t *host = (httpd_host_t *)p_this;
tls_session_t *p_tls = NULL;
counter_t *p_total_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
counter_t *p_active_counter = stats_CounterCreate( host, VLC_VAR_INTEGER, STATS_COUNTER );
int evfd;
bool b_die;
retry:
vlc_object_lock( host );
evfd = vlc_object_waitpipe( VLC_OBJECT( host ) );
b_die = !vlc_object_alive( host );
vlc_object_unlock( host );
while( !b_die )
{
if( host->i_url <= 0 )
{
/* 0.2s (FIXME: use a condition variable) */
msleep( 200000 );
goto retry;
}
/* prepare a new TLS session */
if( ( p_tls == NULL ) && ( host->p_tls != NULL ) )
p_tls = tls_ServerSessionPrepare( host->p_tls );
struct pollfd ufd[host->nfd + host->i_client + 1];
unsigned nfd;
for( nfd = 0; nfd < host->nfd; nfd++ )
{
ufd[nfd].fd = host->fds[nfd];
ufd[nfd].events = POLLIN;
ufd[nfd].revents = 0;
}
/* add all socket that should be read/write and close dead connection */
vlc_mutex_lock( &host->lock );
mtime_t now = mdate();
bool b_low_delay = false;
for(int i_client = 0; i_client < host->i_client; i_client++ )
{
httpd_client_t *cl = host->client[i_client];
if( cl->i_ref < 0 || ( cl->i_ref == 0 &&
( cl->i_state == HTTPD_CLIENT_DEAD ||
( cl->i_activity_timeout > 0 &&
cl->i_activity_date+cl->i_activity_timeout < now) ) ) )
{
httpd_ClientClean( cl );
stats_UpdateInteger( host, p_active_counter, -1, NULL );
TAB_REMOVE( host->i_client, host->client, cl );
free( cl );
i_client--;
continue;
}
struct pollfd *pufd = ufd + nfd;
assert (pufd < ufd + (sizeof (ufd) / sizeof (ufd[0])));
pufd->fd = cl->fd;
pufd->events = pufd->revents = 0;
if( ( cl->i_state == HTTPD_CLIENT_RECEIVING )
|| ( cl->i_state == HTTPD_CLIENT_TLS_HS_IN ) )
{
pufd->events = POLLIN;
}
else if( ( cl->i_state == HTTPD_CLIENT_SENDING )
|| ( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT ) )
{
pufd->events = POLLOUT;
}
else if( cl->i_state == HTTPD_CLIENT_RECEIVE_DONE )
{
httpd_message_t *answer = &cl->answer;
httpd_message_t *query = &cl->query;
int i_msg = query->i_type;
httpd_MsgInit( answer );
/* Handle what we received */
if( (cl->i_mode != HTTPD_CLIENT_BIDIR) &&
(i_msg == HTTPD_MSG_ANSWER || i_msg == HTTPD_MSG_CHANNEL) )
{
/* we can only receive request from client when not
* in BIDIR mode */
cl->url = NULL;
cl->i_state = HTTPD_CLIENT_DEAD;
}
else if( i_msg == HTTPD_MSG_ANSWER )
{
/* We are in BIDIR mode, trigger the callback and then
* check for new data */
if( cl->url && cl->url->catch[i_msg].cb )
{
cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
cl, NULL, query );
}
cl->i_state = HTTPD_CLIENT_WAITING;
}
else if( i_msg == HTTPD_MSG_CHANNEL )
{
/* We are in BIDIR mode, trigger the callback and then
* check for new data */
if( cl->url && cl->url->catch[i_msg].cb )
{
cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys,
cl, NULL, query );
}
cl->i_state = HTTPD_CLIENT_WAITING;
}
else if( i_msg == HTTPD_MSG_OPTIONS )
{
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_proto = query->i_proto;
answer->i_status = 200;
answer->i_body = 0;
answer->p_body = NULL;
httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
httpd_MsgAdd( answer, "Content-Length", "0" );
switch( query->i_proto )
{
case HTTPD_PROTO_HTTP:
answer->i_version = 1;
httpd_MsgAdd( answer, "Allow",
"GET,HEAD,POST,OPTIONS" );
break;
case HTTPD_PROTO_RTSP:
{
const char *p;
answer->i_version = 0;
p = httpd_MsgGet( query, "Cseq" );
if( p != NULL )
httpd_MsgAdd( answer, "Cseq", "%s", p );
p = httpd_MsgGet( query, "Timestamp" );
if( p != NULL )
httpd_MsgAdd( answer, "Timestamp", "%s", p );
p = httpd_MsgGet( query, "Require" );
if( p != NULL )
{
answer->i_status = 551;
httpd_MsgAdd( query, "Unsupported", "%s", p );
}
httpd_MsgAdd( answer, "Public", "DESCRIBE,SETUP,"
"TEARDOWN,PLAY,PAUSE,GET_PARAMETER" );
break;
}
}
cl->i_buffer = -1; /* Force the creation of the answer in
* httpd_ClientSend */
cl->i_state = HTTPD_CLIENT_SENDING;
}
else if( i_msg == HTTPD_MSG_NONE )
{
if( query->i_proto == HTTPD_PROTO_NONE )
{
cl->url = NULL;
cl->i_state = HTTPD_CLIENT_DEAD;
}
else
{
char *p;
/* unimplemented */
answer->i_proto = query->i_proto ;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_version= 0;
answer->i_status = 501;
answer->i_body = httpd_HtmlError (&p, 501, NULL);
answer->p_body = (uint8_t *)p;
httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
cl->i_state = HTTPD_CLIENT_SENDING;
}
}
else
{
bool b_auth_failed = false;
bool b_hosts_failed = false;
/* Search the url and trigger callbacks */
for(int i = 0; i < host->i_url; i++ )
{
httpd_url_t *url = host->url[i];
if( !strcmp( url->psz_url, query->psz_url ) )
{
if( url->catch[i_msg].cb )
{
if( answer && ( url->p_acl != NULL ) )
{
char ip[NI_MAXNUMERICHOST];
if( ( httpd_ClientIP( cl, ip ) == NULL )
|| ACL_Check( url->p_acl, ip ) )
{
b_hosts_failed = true;
break;
}
}
if( answer && ( *url->psz_user || *url->psz_password ) )
{
/* create the headers */
const char *b64 = httpd_MsgGet( query, "Authorization" ); /* BASIC id */
char *user = NULL, *pass = NULL;
if( b64 != NULL
&& !strncasecmp( b64, "BASIC", 5 ) )
{
b64 += 5;
while( *b64 == ' ' )
b64++;
user = vlc_b64_decode( b64 );
if (user != NULL)
{
pass = strchr (user, ':');
if (pass != NULL)
*pass++ = '\0';
}
}
if ((user == NULL) || (pass == NULL)
|| strcmp (user, url->psz_user)
|| strcmp (pass, url->psz_password))
{
httpd_MsgAdd( answer,
"WWW-Authenticate",
"Basic realm=\"%s\"",
url->psz_user );
/* We fail for all url */
b_auth_failed = true;
free( user );
break;
}
free( user );
}
if( !url->catch[i_msg].cb( url->catch[i_msg].p_sys, cl, answer, query ) )
{
if( answer->i_proto == HTTPD_PROTO_NONE )
{
/* Raw answer from a CGI */
cl->i_buffer = cl->i_buffer_size;
}
else
cl->i_buffer = -1;
/* only one url can answer */
answer = NULL;
if( cl->url == NULL )
{
cl->url = url;
}
}
}
}
}
if( answer )
{
char *p;
answer->i_proto = query->i_proto;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_version= 0;
if( b_hosts_failed )
{
answer->i_status = 403;
}
else if( b_auth_failed )
{
answer->i_status = 401;
}
else
{
/* no url registered */
answer->i_status = 404;
}
answer->i_body = httpd_HtmlError (&p,
answer->i_status,
query->psz_url);
answer->p_body = (uint8_t *)p;
cl->i_buffer = -1; /* Force the creation of the answer in httpd_ClientSend */
httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
httpd_MsgAdd( answer, "Content-Type", "%s", "text/html" );
}
cl->i_state = HTTPD_CLIENT_SENDING;
}
}
else if( cl->i_state == HTTPD_CLIENT_SEND_DONE )
{
if( cl->i_mode == HTTPD_CLIENT_FILE || cl->answer.i_body_offset == 0 )
{
const char *psz_connection = httpd_MsgGet( &cl->answer, "Connection" );
const char *psz_query = httpd_MsgGet( &cl->query, "Connection" );
bool b_connection = false;
bool b_keepalive = false;
bool b_query = false;
cl->url = NULL;
if( psz_connection )
{
b_connection = ( strcasecmp( psz_connection, "Close" ) == 0 );
b_keepalive = ( strcasecmp( psz_connection, "Keep-Alive" ) == 0 );
}
if( psz_query )
{
b_query = ( strcasecmp( psz_query, "Close" ) == 0 );
}
if( ( ( cl->query.i_proto == HTTPD_PROTO_HTTP ) &&
( ( cl->answer.i_version == 0 && b_keepalive ) ||
( cl->answer.i_version == 1 && !b_connection ) ) ) ||
( ( cl->query.i_proto == HTTPD_PROTO_RTSP ) &&
!b_query && !b_connection ) )
{
httpd_MsgClean( &cl->query );
httpd_MsgInit( &cl->query );
cl->i_buffer = 0;
cl->i_buffer_size = 1000;
free( cl->p_buffer );
cl->p_buffer = malloc( cl->i_buffer_size );
cl->i_state = HTTPD_CLIENT_RECEIVING;
}
else
{
cl->i_state = HTTPD_CLIENT_DEAD;
}
httpd_MsgClean( &cl->answer );
}
else if( cl->b_read_waiting )
{
/* we have a message waiting for us to read it */
httpd_MsgClean( &cl->answer );
httpd_MsgClean( &cl->query );
cl->i_buffer = 0;
cl->i_buffer_size = 1000;
free( cl->p_buffer );
cl->p_buffer = malloc( cl->i_buffer_size );
cl->i_state = HTTPD_CLIENT_RECEIVING;
cl->b_read_waiting = false;
}
else
{
int64_t i_offset = cl->answer.i_body_offset;
httpd_MsgClean( &cl->answer );
cl->answer.i_body_offset = i_offset;
free( cl->p_buffer );
cl->p_buffer = NULL;
cl->i_buffer = 0;
cl->i_buffer_size = 0;
cl->i_state = HTTPD_CLIENT_WAITING;
}
}
else if( cl->i_state == HTTPD_CLIENT_WAITING )
{
int64_t i_offset = cl->answer.i_body_offset;
int i_msg = cl->query.i_type;
httpd_MsgInit( &cl->answer );
cl->answer.i_body_offset = i_offset;
cl->url->catch[i_msg].cb( cl->url->catch[i_msg].p_sys, cl,
&cl->answer, &cl->query );
if( cl->answer.i_type != HTTPD_MSG_NONE )
{
/* we have new data, so re-enter send mode */
cl->i_buffer = 0;
cl->p_buffer = cl->answer.p_body;
cl->i_buffer_size = cl->answer.i_body;
cl->answer.p_body = NULL;
cl->answer.i_body = 0;
cl->i_state = HTTPD_CLIENT_SENDING;
}
}
/* Special for BIDIR mode we also check reading */
if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
cl->i_state == HTTPD_CLIENT_SENDING )
{
pufd->events |= POLLIN;
}
if (pufd->events != 0)
nfd++;
else
b_low_delay = true;
}
vlc_mutex_unlock( &host->lock );
ufd[nfd].fd = evfd;
ufd[nfd].events = POLLIN;
ufd[nfd].revents = 0;
nfd++;
/* we will wait 20ms (not too big) if HTTPD_CLIENT_WAITING */
switch( poll( ufd, nfd, b_low_delay ? 20 : -1) )
{
case -1:
if (errno != EINTR)
{
/* Kernel on low memory or a bug: pace */
msg_Err( host, "polling error: %m" );
msleep( 100000 );
}
case 0:
continue;
}
vlc_object_lock( host );
if( ufd[nfd - 1].revents )
{
b_die = !vlc_object_alive( host );
if( !b_die )
vlc_object_wait( host );
}
vlc_object_unlock( host );
/* Handle client sockets */
vlc_mutex_lock( &host->lock );
now = mdate();
for( int i_client = 0; i_client < host->i_client; i_client++ )
{
httpd_client_t *cl = host->client[i_client];
const struct pollfd *pufd = &ufd[host->nfd + i_client];
assert( pufd < &ufd[sizeof(ufd) / sizeof(ufd[0])] );
if( cl->fd != pufd->fd )
continue; // we were not waiting for this client
if( pufd->revents == 0 )
continue; // no event received
cl->i_activity_date = now;
if( cl->i_state == HTTPD_CLIENT_RECEIVING )
{
httpd_ClientRecv( cl );
}
else if( cl->i_state == HTTPD_CLIENT_SENDING )
{
httpd_ClientSend( cl );
}
else if( cl->i_state == HTTPD_CLIENT_TLS_HS_IN )
{
httpd_ClientTlsHsIn( cl );
}
else if( cl->i_state == HTTPD_CLIENT_TLS_HS_OUT )
{
httpd_ClientTlsHsOut( cl );
}
if( cl->i_mode == HTTPD_CLIENT_BIDIR &&
cl->i_state == HTTPD_CLIENT_SENDING &&
(pufd->revents & POLLIN) )
{
cl->b_read_waiting = true;
}
}
vlc_mutex_unlock( &host->lock );
/* Handle server sockets (accept new connections) */
for( nfd = 0; nfd < host->nfd; nfd++ )
{
httpd_client_t *cl;
int i_state = -1;
int fd = ufd[nfd].fd;
assert (fd == host->fds[nfd]);
if( ufd[nfd].revents == 0 )
continue;
/* */
fd = accept (fd, NULL, NULL);
if (fd == -1)
continue;
net_SetupSocket (fd);
if( p_tls != NULL )
{
switch( tls_ServerSessionHandshake( p_tls, fd ) )
{
case -1:
msg_Err( host, "Rejecting TLS connection" );
net_Close( fd );
fd = -1;
p_tls = NULL;
break;
case 1: /* missing input - most likely */
i_state = HTTPD_CLIENT_TLS_HS_IN;
break;
case 2: /* missing output */
i_state = HTTPD_CLIENT_TLS_HS_OUT;
break;
}
if( (p_tls == NULL) != (host->p_tls == NULL) )
break; // wasted TLS session, cannot accept() anymore
}
stats_UpdateInteger( host, p_total_counter, 1, NULL );
stats_UpdateInteger( host, p_active_counter, 1, NULL );
cl = httpd_ClientNew( fd, p_tls, now );
p_tls = NULL;
vlc_mutex_lock( &host->lock );
TAB_APPEND( host->i_client, host->client, cl );
vlc_mutex_unlock( &host->lock );
if( i_state != -1 )
cl->i_state = i_state; // override state for TLS
if (host->p_tls != NULL)
break; // cannot accept further without new TLS session
}
}
if( p_tls != NULL )
tls_ServerSessionClose( p_tls );
if( p_total_counter )
stats_CounterClean( p_total_counter );
if( p_active_counter )
stats_CounterClean( p_active_counter );
return NULL;
}
#else /* ENABLE_HTTPD */
/* We just define an empty wrapper */
httpd_host_t *httpd_TLSHostNew( vlc_object_t *a, const char *b,
int c,
const char *e, const char *f,
const char *g, const char* h)
{
msg_Err( a, "HTTP daemon support is disabled" );
return NULL;
}
httpd_host_t *httpd_HostNew( vlc_object_t *a, const char *b,
int c )
{
msg_Err( a, "HTTP daemon support is disabled" );
return NULL;
}
void httpd_HostDelete( httpd_host_t *a )
{
}
httpd_url_t *httpd_UrlNew( httpd_host_t *host, const char *psz_url,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
return NULL;
}
httpd_url_t *httpd_UrlNewUnique( httpd_host_t *host, const char *psz_url,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
return NULL;
}
int httpd_UrlCatch( httpd_url_t *a, int b, httpd_callback_t c,
httpd_callback_sys_t *d )
{
return 0;
}
void httpd_UrlDelete( httpd_url_t *a )
{
}
char* httpd_ClientIP( const httpd_client_t *cl, char *psz_ip )
{
return NULL;
}
char* httpd_ServerIP( const httpd_client_t *cl, char *psz_ip )
{
return NULL;
}
void httpd_ClientModeStream( httpd_client_t *a )
{
}
void httpd_ClientModeBidir( httpd_client_t *a )
{
}
httpd_file_sys_t *httpd_FileDelete( httpd_file_t *file )
{
return NULL;
}
httpd_file_t *httpd_FileNew( httpd_host_t *host,
const char *psz_url, const char *psz_mime,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl, httpd_file_callback_t pf_fill,
httpd_file_sys_t *p_sys )
{
return NULL;
}
httpd_handler_t *httpd_HandlerNew( httpd_host_t *host, const char *psz_url,
const char *psz_user,
const char *psz_password,
const vlc_acl_t *p_acl,
httpd_handler_callback_t pf_fill,
httpd_handler_sys_t *p_sys )
{
return NULL;
}
httpd_handler_sys_t *httpd_HandlerDelete( httpd_handler_t *handler )
{
return NULL;
}
void httpd_RedirectDelete( httpd_redirect_t *a )
{
}
httpd_redirect_t *httpd_RedirectNew( httpd_host_t *host, const char *psz_url_dst,
const char *psz_url_src )
{
return NULL;
}
void httpd_StreamDelete( httpd_stream_t *a )
{
}
int httpd_StreamHeader( httpd_stream_t *a, uint8_t *b, int c )
{
return 0;
}
int httpd_StreamSend ( httpd_stream_t *a, uint8_t *b, int c )
{
return 0;
}
httpd_stream_t *httpd_StreamNew( httpd_host_t *host,
const char *psz_url, const char *psz_mime,
const char *psz_user, const char *psz_password,
const vlc_acl_t *p_acl )
{
return NULL;
}
void httpd_MsgInit ( httpd_message_t *a )
{
}
void httpd_MsgAdd ( httpd_message_t *a, const char *b, const char *c, ... )
{
}
const char *httpd_MsgGet( const httpd_message_t *msg, const char *name )
{
return "";
}
void httpd_MsgClean( httpd_message_t *a )
{
}
#endif /* ENABLE_HTTPD */
