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libupnp/upnp/src/genlib/net/http/webserver.c
Marcelo Roberto Jimenez b09faaaec4 Merge of trunk revision 202, the last 1.4 compatible revision, to branch 1.4.x. 
git-svn-id: https://pupnp.svn.sourceforge.net/svnroot/pupnp/branches/branch-1.4.x@249 119443c7-1b9e-41f8-b6fc-b9c35fce742c
2007-11-19 13:50:19 +00:00

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2003 Intel Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither name of Intel Corporation nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
/************************************************************************
* Purpose: This file defines the Web Server and has functions to carry out
* operations of the Web Server.
************************************************************************/
#include "config.h"
#include <assert.h>
#include <fcntl.h>
#ifndef UPNP_USE_BCBPP
#ifndef UPNP_USE_MSVCPP
#include <inttypes.h>
#include <stdint.h>
#endif
#endif
#include "util.h"
#include "strintmap.h"
#include "membuffer.h"
#include "httpparser.h"
#include "httpreadwrite.h"
#include "statcodes.h"
#include "webserver.h"
#include "upnp.h"
#include "upnpapi.h"
#include "ssdplib.h"
#ifndef WIN32
#include <unistd.h>
#endif
#include <sys/stat.h>
#include "ithread.h"
#include "unixutil.h"
/*
Response Types
*/
enum resp_type { RESP_FILEDOC, RESP_XMLDOC, RESP_HEADERS, RESP_WEBDOC,
RESP_POST };
// mapping of file extension to content-type of document
struct document_type_t {
const char *file_ext;
const char *content_type;
const char *content_subtype;
};
struct xml_alias_t {
membuffer name; // name of DOC from root; e.g.: /foo/bar/mydesc.xml
membuffer doc; // the XML document contents
time_t last_modified;
int *ct;
};
static const char *gMediaTypes[] = {
NULL, // 0
"audio", // 1
"video", // 2
"image", // 3
"application", // 4
"text" // 5
};
/*
Defines
*/
// index into 'gMediaTypes'
#define AUDIO_STR "\1"
#define VIDEO_STR "\2"
#define IMAGE_STR "\3"
#define APPLICATION_STR "\4"
#define TEXT_STR "\5"
// int index
#define APPLICATION_INDEX 4
#define TEXT_INDEX 5
// general
#define NUM_MEDIA_TYPES 69
#define NUM_HTTP_HEADER_NAMES 33
// sorted by file extension; must have 'NUM_MEDIA_TYPES' extensions
static const char *gEncodedMediaTypes =
"aif\0" AUDIO_STR "aiff\0"
"aifc\0" AUDIO_STR "aiff\0"
"aiff\0" AUDIO_STR "aiff\0"
"asf\0" VIDEO_STR "x-ms-asf\0"
"asx\0" VIDEO_STR "x-ms-asf\0"
"au\0" AUDIO_STR "basic\0"
"avi\0" VIDEO_STR "msvideo\0"
"bmp\0" IMAGE_STR "bmp\0"
"dcr\0" APPLICATION_STR "x-director\0"
"dib\0" IMAGE_STR "bmp\0"
"dir\0" APPLICATION_STR "x-director\0"
"dxr\0" APPLICATION_STR "x-director\0"
"gif\0" IMAGE_STR "gif\0"
"hta\0" TEXT_STR "hta\0"
"htm\0" TEXT_STR "html\0"
"html\0" TEXT_STR "html\0"
"jar\0" APPLICATION_STR "java-archive\0"
"jfif\0" IMAGE_STR "pjpeg\0"
"jpe\0" IMAGE_STR "jpeg\0"
"jpeg\0" IMAGE_STR "jpeg\0"
"jpg\0" IMAGE_STR "jpeg\0"
"js\0" APPLICATION_STR "x-javascript\0"
"kar\0" AUDIO_STR "midi\0"
"m3u\0" AUDIO_STR "mpegurl\0"
"mid\0" AUDIO_STR "midi\0"
"midi\0" AUDIO_STR "midi\0"
"mov\0" VIDEO_STR "quicktime\0"
"mp2v\0" VIDEO_STR "x-mpeg2\0"
"mp3\0" AUDIO_STR "mpeg\0"
"mpe\0" VIDEO_STR "mpeg\0"
"mpeg\0" VIDEO_STR "mpeg\0"
"mpg\0" VIDEO_STR "mpeg\0"
"mpv\0" VIDEO_STR "mpeg\0"
"mpv2\0" VIDEO_STR "x-mpeg2\0"
"pdf\0" APPLICATION_STR "pdf\0"
"pjp\0" IMAGE_STR "jpeg\0"
"pjpeg\0" IMAGE_STR "jpeg\0"
"plg\0" TEXT_STR "html\0"
"pls\0" AUDIO_STR "scpls\0"
"png\0" IMAGE_STR "png\0"
"qt\0" VIDEO_STR "quicktime\0"
"ram\0" AUDIO_STR "x-pn-realaudio\0"
"rmi\0" AUDIO_STR "mid\0"
"rmm\0" AUDIO_STR "x-pn-realaudio\0"
"rtf\0" APPLICATION_STR "rtf\0"
"shtml\0" TEXT_STR "html\0"
"smf\0" AUDIO_STR "midi\0"
"snd\0" AUDIO_STR "basic\0"
"spl\0" APPLICATION_STR "futuresplash\0"
"ssm\0" APPLICATION_STR "streamingmedia\0"
"swf\0" APPLICATION_STR "x-shockwave-flash\0"
"tar\0" APPLICATION_STR "tar\0"
"tcl\0" APPLICATION_STR "x-tcl\0"
"text\0" TEXT_STR "plain\0"
"tif\0" IMAGE_STR "tiff\0"
"tiff\0" IMAGE_STR "tiff\0"
"txt\0" TEXT_STR "plain\0"
"ulw\0" AUDIO_STR "basic\0"
"wav\0" AUDIO_STR "wav\0"
"wax\0" AUDIO_STR "x-ms-wax\0"
"wm\0" VIDEO_STR "x-ms-wm\0"
"wma\0" AUDIO_STR "x-ms-wma\0"
"wmv\0" VIDEO_STR "x-ms-wmv\0"
"wvx\0" VIDEO_STR "x-ms-wvx\0"
"xbm\0" IMAGE_STR "x-xbitmap\0"
"xml\0" TEXT_STR "xml\0"
"xsl\0" TEXT_STR "xml\0"
"z\0" APPLICATION_STR "x-compress\0"
"zip\0" APPLICATION_STR "zip\0" "\0";
// *** end ***
/***********************************************************************/
/*
module variables - Globals, static and externs
*/
/***********************************************************************/
static struct document_type_t gMediaTypeList[NUM_MEDIA_TYPES];
membuffer gDocumentRootDir; // a local dir which serves as webserver root
static struct xml_alias_t gAliasDoc; // XML document
static ithread_mutex_t gWebMutex;
extern str_int_entry Http_Header_Names[NUM_HTTP_HEADER_NAMES];
/************************************************************************
* Function: has_xml_content_type
*
* Parameters:
* none
*
* Description: decodes list and stores it in gMediaTypeList
*
* Returns:
* void
************************************************************************/
static UPNP_INLINE void
media_list_init( void )
{
int i;
const char *s = gEncodedMediaTypes;
struct document_type_t *doc_type;
for( i = 0; *s != '\0'; i++ ) {
doc_type = &gMediaTypeList[i];
doc_type->file_ext = s;
s += strlen( s ) + 1; // point to type
doc_type->content_type = gMediaTypes[( int )*s]; // set cont-type
s++; // point to subtype
doc_type->content_subtype = s;
s += strlen( s ) + 1; // next entry
}
assert( i == NUM_MEDIA_TYPES );
}
/************************************************************************
* Function: has_xml_content_type
*
* Parameters:
* IN const char* extension ;
* OUT const char** con_type,
* OUT const char** con_subtype
*
* Description: Based on the extension, returns the content type and
* content subtype
*
* Returns:
* 0 on success;
* -1 on error
************************************************************************/
static UPNP_INLINE int
search_extension( IN const char *extension,
OUT const char **con_type,
OUT const char **con_subtype )
{
int top,
mid,
bot;
int cmp;
top = 0;
bot = NUM_MEDIA_TYPES - 1;
while( top <= bot ) {
mid = ( top + bot ) / 2;
cmp = strcasecmp( extension, gMediaTypeList[mid].file_ext );
if( cmp > 0 ) {
top = mid + 1; // look below mid
} else if( cmp < 0 ) {
bot = mid - 1; // look above mid
} else // cmp == 0
{
*con_type = gMediaTypeList[mid].content_type;
*con_subtype = gMediaTypeList[mid].content_subtype;
return 0;
}
}
return -1;
}
/************************************************************************
* Function: get_content_type
*
* Parameters:
* IN const char* filename,
* OUT DOMString* content_type
*
* Description: Based on the extension, clones an XML string based on
* type and content subtype. If content type and sub type are not
* found, unknown types are used
*
* Returns:
* 0 - On Sucess
* UPNP_E_OUTOF_MEMORY - on memory allocation failures
************************************************************************/
UPNP_INLINE int
get_content_type( IN const char *filename,
OUT DOMString * content_type )
{
const char *extension;
const char *type,
*subtype;
xboolean ctype_found = FALSE;
char *temp = NULL;
int length = 0;
( *content_type ) = NULL;
// get ext
extension = strrchr( filename, '.' );
if( extension != NULL ) {
if( search_extension( extension + 1, &type, &subtype ) == 0 ) {
ctype_found = TRUE;
}
}
if( !ctype_found ) {
// unknown content type
type = gMediaTypes[APPLICATION_INDEX];
subtype = "octet-stream";
}
length = strlen( type ) + strlen( "/" ) + strlen( subtype ) + 1;
temp = ( char * )malloc( length );
if( !temp ) {
return UPNP_E_OUTOF_MEMORY;
}
sprintf( temp, "%s/%s", type, subtype );
( *content_type ) = ixmlCloneDOMString( temp );
free( temp );
if( !content_type ) {
return UPNP_E_OUTOF_MEMORY;
}
return 0;
}
/************************************************************************
* Function: glob_alias_init
*
* Parameters:
* none
*
* Description: Initialize the global XML document. Allocate buffers
* for the XML document
*
* Returns:
* void
************************************************************************/
static UPNP_INLINE void
glob_alias_init( void )
{
struct xml_alias_t *alias = &gAliasDoc;
membuffer_init( &alias->doc );
membuffer_init( &alias->name );
alias->ct = NULL;
alias->last_modified = 0;
}
/************************************************************************
* Function: is_valid_alias
*
* Parameters:
* IN const struct xml_alias_t* alias ; XML alias object
*
* Description: Check for the validity of the XML object buffer
*
* Returns:
* BOOLEAN
************************************************************************/
static UPNP_INLINE xboolean
is_valid_alias( IN const struct xml_alias_t *alias )
{
return alias->doc.buf != NULL;
}
/************************************************************************
* Function: alias_grab
*
* Parameters:
* OUT struct xml_alias_t* alias ; XML alias object
*
* Description: Copy the contents of the global XML document into the
* local OUT parameter
*
* Returns:
* void
************************************************************************/
static void
alias_grab( OUT struct xml_alias_t *alias )
{
ithread_mutex_lock( &gWebMutex );
assert( is_valid_alias( &gAliasDoc ) );
memcpy( alias, &gAliasDoc, sizeof( struct xml_alias_t ) );
*alias->ct = *alias->ct + 1;
ithread_mutex_unlock( &gWebMutex );
}
/************************************************************************
* Function: alias_release
*
* Parameters:
* IN struct xml_alias_t* alias ; XML alias object
*
* Description: Release the XML document referred to by the IN parameter
* Free the allocated buffers associated with this object
*
* Returns:
* void
************************************************************************/
static void
alias_release( IN struct xml_alias_t *alias )
{
ithread_mutex_lock( &gWebMutex );
// ignore invalid alias
if( !is_valid_alias( alias ) ) {
ithread_mutex_unlock( &gWebMutex );
return;
}
assert( alias->ct > 0 );
*alias->ct = *alias->ct - 1;
if( *alias->ct <= 0 ) {
membuffer_destroy( &alias->doc );
membuffer_destroy( &alias->name );
free( alias->ct );
}
ithread_mutex_unlock( &gWebMutex );
}
/************************************************************************
* Function: web_server_set_alias
*
* Parameters:
* alias_name: webserver name of alias; created by caller and freed by
* caller (doesn't even have to be malloc()d .)
* alias_content: the xml doc; this is allocated by the caller; and
* freed by the web server
* alias_content_length: length of alias body in bytes
* last_modified: time when the contents of alias were last
* changed (local time)
*
* Description: Replaces current alias with the given alias. To remove
* the current alias, set alias_name to NULL.
*
* Returns:
* 0 - OK
* UPNP_E_OUTOF_MEMORY: note: alias_content is not freed here
************************************************************************/
int
web_server_set_alias( IN const char *alias_name,
IN const char *alias_content,
IN size_t alias_content_length,
IN time_t last_modified )
{
int ret_code;
struct xml_alias_t alias;
alias_release( &gAliasDoc );
if( alias_name == NULL ) {
// don't serve aliased doc anymore
return 0;
}
assert( alias_content != NULL );
membuffer_init( &alias.doc );
membuffer_init( &alias.name );
alias.ct = NULL;
do {
// insert leading /, if missing
if( *alias_name != '/' ) {
if( membuffer_assign_str( &alias.name, "/" ) != 0 ) {
break; // error; out of mem
}
}
ret_code = membuffer_append_str( &alias.name, alias_name );
if( ret_code != 0 ) {
break; // error
}
if( ( alias.ct = ( int * )malloc( sizeof( int ) ) ) == NULL ) {
break; // error
}
*alias.ct = 1;
membuffer_attach( &alias.doc, ( char * )alias_content,
alias_content_length );
alias.last_modified = last_modified;
// save in module var
ithread_mutex_lock( &gWebMutex );
gAliasDoc = alias;
ithread_mutex_unlock( &gWebMutex );
return 0;
} while( FALSE );
// error handler
// free temp alias
membuffer_destroy( &alias.name );
membuffer_destroy( &alias.doc );
free( alias.ct );
return UPNP_E_OUTOF_MEMORY;
}
/************************************************************************
* Function: web_server_init
*
* Parameters:
* none
*
* Description: Initilialize the different documents. Initialize the
* memory for root directory for web server. Call to initialize global
* XML document. Sets bWebServerState to WEB_SERVER_ENABLED
*
* Returns:
* 0 - OK
* UPNP_E_OUTOF_MEMORY: note: alias_content is not freed here
************************************************************************/
int
web_server_init( void )
{
int ret_code;
if( bWebServerState == WEB_SERVER_DISABLED ) {
media_list_init( ); // decode media list
membuffer_init( &gDocumentRootDir );
glob_alias_init( );
pVirtualDirList = NULL;
ret_code = ithread_mutex_init( &gWebMutex, NULL );
if( ret_code == -1 ) {
return UPNP_E_OUTOF_MEMORY;
}
bWebServerState = WEB_SERVER_ENABLED;
}
return 0;
}
/************************************************************************
* Function: web_server_destroy
*
* Parameters:
* none
*
* Description: Release memory allocated for the global web server root
* directory and the global XML document
* Resets the flag bWebServerState to WEB_SERVER_DISABLED
*
* Returns:
* void
************************************************************************/
void
web_server_destroy( void )
{
int ret;
if( bWebServerState == WEB_SERVER_ENABLED ) {
membuffer_destroy( &gDocumentRootDir );
alias_release( &gAliasDoc );
ithread_mutex_lock( &gWebMutex );
memset( &gAliasDoc, 0, sizeof( struct xml_alias_t ) );
ithread_mutex_unlock( &gWebMutex );
ret = ithread_mutex_destroy( &gWebMutex );
assert( ret == 0 );
bWebServerState = WEB_SERVER_DISABLED;
}
}
/************************************************************************
* Function: get_file_info
*
* Parameters:
* IN const char* filename ; Filename having the description document
* OUT struct File_Info * info ; File information object having file
* attributes such as filelength, when was
* the file last modified, whether a file
* or a directory and whether the file or
* directory is readable.
*
* Description: Release memory allocated for the global web server root
* directory and the global XML document
* Resets the flag bWebServerState to WEB_SERVER_DISABLED
*
* Returns:
* int
************************************************************************/
static int
get_file_info( IN const char *filename,
OUT struct File_Info *info )
{
int code;
struct stat s;
FILE *fp;
int rc = 0;
info->content_type = NULL;
code = stat( filename, &s );
if( code == -1 ) {
return -1;
}
if( S_ISDIR( s.st_mode ) ) {
info->is_directory = TRUE;
} else if( S_ISREG( s.st_mode ) ) {
info->is_directory = FALSE;
} else {
return -1;
}
// check readable
fp = fopen( filename, "r" );
info->is_readable = ( fp != NULL );
if( fp ) {
fclose( fp );
}
info->file_length = s.st_size;
info->last_modified = s.st_mtime;
rc = get_content_type( filename, &info->content_type );
UpnpPrintf( UPNP_INFO, HTTP, __FILE__, __LINE__,
"file info: %s, length: %lld, last_mod=%s readable=%d\n",
filename, (long long)info->file_length,
asctime( gmtime( &info->last_modified ) ),
info->is_readable );
return rc;
}
/************************************************************************
* Function: web_server_set_root_dir
*
* Parameters:
* IN const char* root_dir ; String having the root directory for the
* document
*
* Description: Assign the path specfied by the IN const char* root_dir
* parameter to the global Document root directory. Also check for
* path names ending in '/'
*
* Returns:
* int
************************************************************************/
int
web_server_set_root_dir( IN const char *root_dir )
{
int index;
int ret;
ret = membuffer_assign_str( &gDocumentRootDir, root_dir );
if( ret != 0 ) {
return ret;
}
// remove trailing '/', if any
if( gDocumentRootDir.length > 0 ) {
index = gDocumentRootDir.length - 1; // last char
if( gDocumentRootDir.buf[index] == '/' ) {
membuffer_delete( &gDocumentRootDir, index, 1 );
}
}
return 0;
}
/************************************************************************
* Function: get_alias
*
* Parameters:
* IN const char* request_file ; request file passed in to be compared with
* OUT struct xml_alias_t* alias ; xml alias object which has a file name
* stored
* OUT struct File_Info * info ; File information object which will be
* filled up if the file comparison
* succeeds
*
* Description: Compare the files names between the one on the XML alias
* the one passed in as the input parameter. If equal extract file
* information
*
* Returns:
* TRUE - On Success
* FALSE if request is not an alias
************************************************************************/
static UPNP_INLINE xboolean
get_alias( IN const char *request_file,
OUT struct xml_alias_t *alias,
OUT struct File_Info *info )
{
int cmp;
cmp = strcmp( alias->name.buf, request_file );
if( cmp == 0 ) {
// fill up info
info->file_length = alias->doc.length;
info->is_readable = TRUE;
info->is_directory = FALSE;
info->last_modified = alias->last_modified;
}
return cmp == 0;
}
/************************************************************************
* Function: isFileInVirtualDir
*
* Parameters:
* IN char *filePath ; directory path to be tested for virtual directory
*
* Description: Compares filePath with paths from the list of virtual
* directory lists
*
* Returns:
* BOOLEAN
************************************************************************/
int
isFileInVirtualDir( IN char *filePath )
{
virtualDirList *pCurVirtualDir;
int webDirLen;
pCurVirtualDir = pVirtualDirList;
while( pCurVirtualDir != NULL ) {
webDirLen = strlen( pCurVirtualDir->dirName );
if( pCurVirtualDir->dirName[webDirLen - 1] == '/' ) {
if( strncmp( pCurVirtualDir->dirName, filePath, webDirLen ) ==
0 )
return TRUE;
} else {
if( ( strncmp( pCurVirtualDir->dirName, filePath, webDirLen )
== 0 ) && ( filePath[webDirLen] == '/' ) )
return TRUE;
}
pCurVirtualDir = pCurVirtualDir->next;
}
return FALSE;
}
/************************************************************************
* Function: ToUpperCase
*
* Parameters:
* INOUT char * Str ; Input string to be converted
*
* Description: Converts input string to upper case
*
* Returns:
* int
************************************************************************/
int
ToUpperCase( char *Str )
{
int i;
for( i = 0; i < ( int )strlen( Str ); i++ )
Str[i] = toupper( Str[i] );
return 1;
}
/************************************************************************
* Function: StrStr
*
* Parameters:
* IN char * S1 ; Input string
* IN char * S2 ; Input sub-string
*
* Description: Finds a substring from a string
*
* Returns:
* char * ptr - pointer to the first occurence of S2 in S1
************************************************************************/
char *
StrStr( char *S1,
char *S2 )
{
char *Str1,
*Str2;
char *Ptr,
*Ret;
int Pos;
Str1 = ( char * )malloc( strlen( S1 ) + 2 );
if(!Str1) return NULL;
Str2 = ( char * )malloc( strlen( S2 ) + 2 );
if (!Str2)
{
free(Str1);
return NULL;
}
strcpy( Str1, S1 );
strcpy( Str2, S2 );
ToUpperCase( Str1 );
ToUpperCase( Str2 );
Ptr = strstr( Str1, Str2 );
if( Ptr == NULL )
return NULL;
Pos = Ptr - Str1;
Ret = S1 + Pos;
free( Str1 );
free( Str2 );
return Ret;
}
/************************************************************************
* Function: StrTok
*
* Parameters:
* IN char ** Src ; String containing the token
* IN char * del ; Set of delimiter characters
*
* Description: Finds next token in a string
*
* Returns:
* char * ptr - pointer to the first occurence of S2 in S1
************************************************************************/
char *
StrTok( char **Src,
char *Del )
{
char *TmpPtr,
*RetPtr;
if( *Src != NULL ) {
RetPtr = *Src;
TmpPtr = strstr( *Src, Del );
if( TmpPtr != NULL ) {
*TmpPtr = '\0';
*Src = TmpPtr + strlen( Del );
} else
*Src = NULL;
return RetPtr;
}
return NULL;
}
/************************************************************************
* Function: GetNextRange
*
* Parameters:
* IN char ** SrcRangeStr ; string containing the token / range
* OUT int * FirstByte ; gets the first byte of the token
* OUT int * LastByte ; gets the last byte of the token
*
* Description: Returns a range of integers from a sring
*
* Returns: int ;
* always returns 1;
************************************************************************/
int
GetNextRange( char **SrcRangeStr,
off_t *FirstByte,
off_t *LastByte )
{
char *Ptr,
*Tok;
int i,
F = -1,
L = -1;
int Is_Suffix_byte_Range = 1;
if( *SrcRangeStr == NULL )
return -1;
Tok = StrTok( SrcRangeStr, "," );
if( ( Ptr = strstr( Tok, "-" ) ) == NULL )
return -1;
*Ptr = ' ';
sscanf( Tok, "%d%d", &F, &L );
if( F == -1 || L == -1 ) {
*Ptr = '-';
for( i = 0; i < ( int )strlen( Tok ); i++ ) {
if( Tok[i] == '-' ) {
break;
} else if( isdigit( Tok[i] ) ) {
Is_Suffix_byte_Range = 0;
break;
}
}
if( Is_Suffix_byte_Range ) {
*FirstByte = L;
*LastByte = F;
return 1;
}
}
*FirstByte = F;
*LastByte = L;
return 1;
}
/************************************************************************
* Function: CreateHTTPRangeResponseHeader
*
* Parameters:
* char * ByteRangeSpecifier ; String containing the range
* long FileLength ; Length of the file
* OUT struct SendInstruction * Instr ; SendInstruction object where the
* range operations will be stored
*
* Description: Fills in the Offset, read size and contents to send out
* as an HTTP Range Response
*
* Returns:
* HTTP_BAD_REQUEST
* UPNP_E_OUTOF_MEMORY
* HTTP_REQUEST_RANGE_NOT_SATISFIABLE
* HTTP_OK
************************************************************************/
int
CreateHTTPRangeResponseHeader( char *ByteRangeSpecifier,
off_t FileLength,
OUT struct SendInstruction *Instr )
{
off_t FirstByte,
LastByte;
char *RangeInput,
*Ptr;
Instr->IsRangeActive = 1;
Instr->ReadSendSize = FileLength;
if( !ByteRangeSpecifier )
return HTTP_BAD_REQUEST;
RangeInput = malloc( strlen( ByteRangeSpecifier ) + 1 );
if( !RangeInput )
return UPNP_E_OUTOF_MEMORY;
strcpy( RangeInput, ByteRangeSpecifier );
//CONTENT-RANGE: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
if( StrStr( RangeInput, "bytes" ) == NULL ||
( Ptr = StrStr( RangeInput, "=" ) ) == NULL ) {
free( RangeInput );
Instr->IsRangeActive = 0;
return HTTP_BAD_REQUEST;
}
//Jump =
Ptr = Ptr + 1;
if( FileLength < 0 ) {
free( RangeInput );
return HTTP_REQUEST_RANGE_NOT_SATISFIABLE;
}
if( GetNextRange( &Ptr, &FirstByte, &LastByte ) != -1 ) {
if( FileLength < FirstByte ) {
free( RangeInput );
return HTTP_REQUEST_RANGE_NOT_SATISFIABLE;
}
if( FirstByte >= 0 && LastByte >= 0 && LastByte >= FirstByte ) {
if( LastByte >= FileLength )
LastByte = FileLength - 1;
Instr->RangeOffset = FirstByte;
Instr->ReadSendSize = LastByte - FirstByte + 1;
sprintf( Instr->RangeHeader,
"CONTENT-RANGE: bytes %"PRId64"-%"PRId64"/%"PRId64"\r\n",
(int64_t)FirstByte,
(int64_t)LastByte,
(int64_t)FileLength ); //Data between two range.
} else if( FirstByte >= 0 && LastByte == -1
&& FirstByte < FileLength ) {
Instr->RangeOffset = FirstByte;
Instr->ReadSendSize = FileLength - FirstByte;
sprintf( Instr->RangeHeader,
"CONTENT-RANGE: bytes %"PRId64"-%"PRId64"/%"PRId64"\r\n",
(int64_t)FirstByte,
(int64_t)(FileLength - 1),
(int64_t)FileLength );
} else if( FirstByte == -1 && LastByte > 0 ) {
if( LastByte >= FileLength ) {
Instr->RangeOffset = 0;
Instr->ReadSendSize = FileLength;
sprintf( Instr->RangeHeader,
"CONTENT-RANGE: bytes 0-%"PRId64"/%"PRId64"\r\n",
(int64_t)(FileLength - 1),
(int64_t)FileLength );
} else {
Instr->RangeOffset = FileLength - LastByte;
Instr->ReadSendSize = LastByte;
sprintf( Instr->RangeHeader,
"CONTENT-RANGE: bytes %"PRId64"-%"PRId64"/%"PRId64"\r\n",
(int64_t)(FileLength - LastByte + 1),
(int64_t)FileLength,
(int64_t)FileLength );
}
} else {
free( RangeInput );
return HTTP_REQUEST_RANGE_NOT_SATISFIABLE;
}
} else {
free( RangeInput );
return HTTP_REQUEST_RANGE_NOT_SATISFIABLE;
}
free( RangeInput );
return HTTP_OK;
}
/************************************************************************
* Function: CheckOtherHTTPHeaders
*
* Parameters:
* IN http_message_t * Req ; HTTP Request message
* OUT struct SendInstruction * RespInstr ; Send Instruction object to
* data for the response
* int FileSize ; Size of the file containing the request document
*
* Description: Get header id from the request parameter and take
* appropriate action based on the ids.
* as an HTTP Range Response
*
* Returns:
* HTTP_BAD_REQUEST
* UPNP_E_OUTOF_MEMORY
* HTTP_REQUEST_RANGE_NOT_SATISFIABLE
* HTTP_OK
************************************************************************/
int
CheckOtherHTTPHeaders( IN http_message_t * Req,
OUT struct SendInstruction *RespInstr,
off_t FileSize )
{
http_header_t *header;
ListNode *node;
//NNS: dlist_node* node;
int index,
RetCode = HTTP_OK;
char *TmpBuf;
TmpBuf = ( char * )malloc( LINE_SIZE );
if( !TmpBuf )
return UPNP_E_OUTOF_MEMORY;
node = ListHead( &Req->headers );
while( node != NULL ) {
header = ( http_header_t * ) node->item;
// find header type.
index = map_str_to_int( ( const char * )header->name.buf,
header->name.length, Http_Header_Names,
NUM_HTTP_HEADER_NAMES, FALSE );
if( header->value.length >= LINE_SIZE ) {
free( TmpBuf );
TmpBuf = ( char * )malloc( header->value.length + 1 );
if( !TmpBuf )
return UPNP_E_OUTOF_MEMORY;
}
memcpy( TmpBuf, header->value.buf, header->value.length );
TmpBuf[header->value.length] = '\0';
if( index >= 0 )
switch ( Http_Header_Names[index].id ) {
case HDR_TE: //Request
{
RespInstr->IsChunkActive = 1;
if( strlen( TmpBuf ) > strlen( "gzip" ) ) {
if( StrStr( TmpBuf, "trailers" ) != NULL ) { //means client will accept trailer
RespInstr->IsTrailers = 1;
}
}
}
break;
case HDR_CONTENT_LENGTH:
{
RespInstr->RecvWriteSize = atoi( TmpBuf );
break;
}
case HDR_RANGE:
if( ( RetCode = CreateHTTPRangeResponseHeader( TmpBuf,
FileSize,
RespInstr ) )
!= HTTP_OK ) {
free( TmpBuf );
return RetCode;
}
break;
default:
/*
TODO
*/
/*
header.value is the value.
*/
/*
case HDR_CONTENT_TYPE: //return 1;
case HDR_CONTENT_LANGUAGE://return 1;
case HDR_LOCATION: //return 1;
case HDR_CONTENT_LOCATION://return 1;
case HDR_ACCEPT: //return 1;
case HDR_ACCEPT_CHARSET://return 1;
case HDR_ACCEPT_LANGUAGE://return 1;
case HDR_USER_AGENT: break;//return 1;
*/
//Header check for encoding
/*
case HDR_ACCEPT_RANGE: //Server capability.
case HDR_CONTENT_RANGE://Response.
case HDR_IF_RANGE:
*/
//Header check for encoding
/*
case HDR_ACCEPT_ENCODING:
if(StrStr(TmpBuf, "identity"))
{
break;
}
else return -1;
case HDR_CONTENT_ENCODING:
case HDR_TRANSFER_ENCODING: //Response
*/
break;
}
node = ListNext( &Req->headers, node );
}
free( TmpBuf );
return RetCode;
}
/************************************************************************
* Function: process_request
*
* Parameters:
* IN http_message_t *req ; HTTP Request message
* OUT enum resp_type *rtype ; Tpye of response
* OUT membuffer *headers ;
* OUT membuffer *filename ; Get filename from request document
* OUT struct xml_alias_t *alias ; Xml alias document from the
* request document,
* OUT struct SendInstruction * RespInstr ; Send Instruction object
* where the response is set up.
*
* Description: Processes the request and returns the result in the OUT
* parameters
*
* Returns:
* HTTP_BAD_REQUEST
* UPNP_E_OUTOF_MEMORY
* HTTP_REQUEST_RANGE_NOT_SATISFIABLE
* HTTP_OK
************************************************************************/
static int
process_request( IN http_message_t * req,
OUT enum resp_type *rtype,
OUT membuffer * headers,
OUT membuffer * filename,
OUT struct xml_alias_t *alias,
OUT struct SendInstruction *RespInstr )
{
int code;
int err_code;
char *request_doc;
struct File_Info finfo;
xboolean using_alias;
xboolean using_virtual_dir;
uri_type *url;
char *temp_str;
int resp_major,
resp_minor;
xboolean alias_grabbed;
size_t dummy;
struct UpnpVirtualDirCallbacks *pVirtualDirCallback;
print_http_headers( req );
url = &req->uri;
assert( req->method == HTTPMETHOD_GET ||
req->method == HTTPMETHOD_HEAD
|| req->method == HTTPMETHOD_POST
|| req->method == HTTPMETHOD_SIMPLEGET );
// init
request_doc = NULL;
finfo.content_type = NULL;
alias_grabbed = FALSE;
err_code = HTTP_INTERNAL_SERVER_ERROR; // default error
using_virtual_dir = FALSE;
using_alias = FALSE;
http_CalcResponseVersion( req->major_version, req->minor_version,
&resp_major, &resp_minor );
//
// remove dots
//
request_doc = malloc( url->pathquery.size + 1 );
if( request_doc == NULL ) {
goto error_handler; // out of mem
}
memcpy( request_doc, url->pathquery.buff, url->pathquery.size );
request_doc[url->pathquery.size] = '\0';
dummy = url->pathquery.size;
remove_escaped_chars( request_doc, &dummy );
code = remove_dots( request_doc, url->pathquery.size );
if( code != 0 ) {
err_code = HTTP_FORBIDDEN;
goto error_handler;
}
if( *request_doc != '/' ) {
// no slash
err_code = HTTP_BAD_REQUEST;
goto error_handler;
}
if( isFileInVirtualDir( request_doc ) ) {
using_virtual_dir = TRUE;
RespInstr->IsVirtualFile = 1;
if( membuffer_assign_str( filename, request_doc ) != 0 ) {
goto error_handler;
}
} else {
//
// try using alias
//
if( is_valid_alias( &gAliasDoc ) ) {
alias_grab( alias );
alias_grabbed = TRUE;
using_alias = get_alias( request_doc, alias, &finfo );
if( using_alias == TRUE ) {
finfo.content_type = ixmlCloneDOMString( "text/xml" );
if( finfo.content_type == NULL ) {
goto error_handler;
}
}
}
}
if( using_virtual_dir ) {
if( req->method != HTTPMETHOD_POST ) {
// get file info
pVirtualDirCallback = &virtualDirCallback;
if( pVirtualDirCallback->get_info( filename->buf, &finfo ) !=
0 ) {
err_code = HTTP_NOT_FOUND;
goto error_handler;
}
// try index.html if req is a dir
if( finfo.is_directory ) {
if( filename->buf[filename->length - 1] == '/' ) {
temp_str = "index.html";
} else {
temp_str = "/index.html";
}
if( membuffer_append_str( filename, temp_str ) != 0 ) {
goto error_handler;
}
// get info
if( ( pVirtualDirCallback->
get_info( filename->buf, &finfo ) != UPNP_E_SUCCESS )
|| finfo.is_directory ) {
err_code = HTTP_NOT_FOUND;
goto error_handler;
}
}
// not readable
if( !finfo.is_readable ) {
err_code = HTTP_FORBIDDEN;
goto error_handler;
}
// finally, get content type
// if ( get_content_type(filename->buf, &content_type) != 0 )
//{
// goto error_handler;
// }
}
} else if( !using_alias ) {
if( gDocumentRootDir.length == 0 ) {
goto error_handler;
}
//
// get file name
//
// filename str
if( membuffer_assign_str( filename, gDocumentRootDir.buf ) != 0 ||
membuffer_append_str( filename, request_doc ) != 0 ) {
goto error_handler; // out of mem
}
// remove trailing slashes
while( filename->length > 0 &&
filename->buf[filename->length - 1] == '/' ) {
membuffer_delete( filename, filename->length - 1, 1 );
}
if( req->method != HTTPMETHOD_POST ) {
// get info on file
if( get_file_info( filename->buf, &finfo ) != 0 ) {
err_code = HTTP_NOT_FOUND;
goto error_handler;
}
// try index.html if req is a dir
if( finfo.is_directory ) {
if( filename->buf[filename->length - 1] == '/' ) {
temp_str = "index.html";
} else {
temp_str = "/index.html";
}
if( membuffer_append_str( filename, temp_str ) != 0 ) {
goto error_handler;
}
// get info
if( get_file_info( filename->buf, &finfo ) != 0 ||
finfo.is_directory ) {
err_code = HTTP_NOT_FOUND;
goto error_handler;
}
}
// not readable
if( !finfo.is_readable ) {
err_code = HTTP_FORBIDDEN;
goto error_handler;
}
}
// finally, get content type
// if ( get_content_type(filename->buf, &content_type) != 0 )
// {
// goto error_handler;
// }
}
RespInstr->ReadSendSize = finfo.file_length;
// Check other header field.
if( ( err_code =
CheckOtherHTTPHeaders( req, RespInstr,
finfo.file_length ) ) != HTTP_OK ) {
goto error_handler;
}
if( req->method == HTTPMETHOD_POST ) {
*rtype = RESP_POST;
err_code = UPNP_E_SUCCESS;
goto error_handler;
}
if( RespInstr->IsRangeActive && RespInstr->IsChunkActive ) {
// Content-Range: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
// Transfer-Encoding: chunked
if (http_MakeMessage(
headers, resp_major, resp_minor,
"R" "T" "GKD" "s" "tcS" "XcCc",
HTTP_PARTIAL_CONTENT, // status code
finfo.content_type, // content type
RespInstr, // range info
"LAST-MODIFIED: ",
&finfo.last_modified,
X_USER_AGENT) != 0 ) {
goto error_handler;
}
} else if( RespInstr->IsRangeActive && !RespInstr->IsChunkActive ) {
// Content-Range: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
// Transfer-Encoding: chunked
if (http_MakeMessage(
headers, resp_major, resp_minor,
"R" "N" "T" "GD" "s" "tcS" "XcCc",
HTTP_PARTIAL_CONTENT, // status code
RespInstr->ReadSendSize, // content length
finfo.content_type, // content type
RespInstr, // range info
"LAST-MODIFIED: ",
&finfo.last_modified,
X_USER_AGENT) != 0 ) {
goto error_handler;
}
} else if( !RespInstr->IsRangeActive && RespInstr->IsChunkActive ) {
// Content-Range: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
// Transfer-Encoding: chunked
if (http_MakeMessage(
headers, resp_major, resp_minor,
"RK" "TD" "s" "tcS" "XcCc",
HTTP_OK, // status code
finfo.content_type, // content type
"LAST-MODIFIED: ",
&finfo.last_modified,
X_USER_AGENT) != 0 ) {
goto error_handler;
}
} else { // !RespInstr->IsRangeActive && !RespInstr->IsChunkActive
if (RespInstr->ReadSendSize >= 0) {
// Content-Range: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
// Transfer-Encoding: chunked
if (http_MakeMessage(
headers, resp_major, resp_minor,
"R" "N" "TD" "s" "tcS" "XcCc",
HTTP_OK, // status code
RespInstr->ReadSendSize, // content length
finfo.content_type, // content type
"LAST-MODIFIED: ",
&finfo.last_modified,
X_USER_AGENT) != 0 ) {
goto error_handler;
}
} else {
// Content-Range: bytes 222-3333/4000 HTTP_PARTIAL_CONTENT
// Transfer-Encoding: chunked
if (http_MakeMessage(
headers, resp_major, resp_minor,
"R" "TD" "s" "tcS" "XcCc",
HTTP_OK, // status code
finfo.content_type, // content type
"LAST-MODIFIED: ",
&finfo.last_modified,
X_USER_AGENT) != 0 ) {
goto error_handler;
}
}
}
if( req->method == HTTPMETHOD_HEAD ) {
*rtype = RESP_HEADERS;
} else if( using_alias ) {
// GET xml
*rtype = RESP_XMLDOC;
} else if( using_virtual_dir ) {
*rtype = RESP_WEBDOC;
} else {
// GET filename
*rtype = RESP_FILEDOC;
}
// simple get http 0.9 as specified in http 1.0
// don't send headers
if( req->method == HTTPMETHOD_SIMPLEGET ) {
membuffer_destroy( headers );
}
err_code = UPNP_E_SUCCESS;
error_handler:
free( request_doc );
ixmlFreeDOMString( finfo.content_type );
if( err_code != UPNP_E_SUCCESS && alias_grabbed ) {
alias_release( alias );
}
return err_code;
}
/************************************************************************
* Function: http_RecvPostMessage
*
* Parameters:
* http_parser_t* parser ; HTTP Parser object
* IN SOCKINFO *info ; Socket Information object
* char * filename ; File where received data is copied to
* struct SendInstruction * Instr ; Send Instruction object which gives
* information whether the file is a virtual file or not.
*
* Description: Receives the HTTP post message
*
* Returns:
* HTTP_INTERNAL_SERVER_ERROR
* HTTP_UNAUTHORIZED
* HTTP_REQUEST_RANGE_NOT_SATISFIABLE
* HTTP_OK
************************************************************************/
int
http_RecvPostMessage( http_parser_t * parser,
IN SOCKINFO * info,
char *filename,
struct SendInstruction *Instr )
{
unsigned int Data_Buf_Size = 1024;
char Buf[1024];
int Timeout = 0;
long Num_Write = 0;
FILE *Fp;
parse_status_t status = PARSE_OK;
xboolean ok_on_close = FALSE;
unsigned int entity_offset = 0;
int num_read = 0;
int ret_code = 0;
if( Instr && Instr->IsVirtualFile ) {
Fp = virtualDirCallback.open( filename, UPNP_WRITE );
if( Fp == NULL ) {
return HTTP_INTERNAL_SERVER_ERROR;
}
} else {
Fp = fopen( filename, "wb" );
if( Fp == NULL ) {
return HTTP_UNAUTHORIZED;
}
}
parser->position = POS_ENTITY;
do {
//first parse what has already been gotten
if( parser->position != POS_COMPLETE ) {
status = parser_parse_entity( parser );
}
if( status == PARSE_INCOMPLETE_ENTITY ) {
// read until close
ok_on_close = TRUE;
} else if( ( status != PARSE_SUCCESS )
&& ( status != PARSE_CONTINUE_1 )
&& ( status != PARSE_INCOMPLETE ) ) {
//error
fclose( Fp );
return HTTP_BAD_REQUEST;
}
//read more if necessary entity
while( ( ( entity_offset + Data_Buf_Size ) >
parser->msg.entity.length )
&& ( parser->position != POS_COMPLETE ) ) {
num_read = sock_read( info, Buf, sizeof( Buf ), &Timeout );
if( num_read > 0 ) {
// append data to buffer
ret_code = membuffer_append( &parser->msg.msg,
Buf, num_read );
if( ret_code != 0 ) {
// set failure status
parser->http_error_code = HTTP_INTERNAL_SERVER_ERROR;
return HTTP_INTERNAL_SERVER_ERROR;
}
status = parser_parse_entity( parser );
if( status == PARSE_INCOMPLETE_ENTITY ) {
// read until close
ok_on_close = TRUE;
} else if( ( status != PARSE_SUCCESS )
&& ( status != PARSE_CONTINUE_1 )
&& ( status != PARSE_INCOMPLETE ) ) {
return HTTP_BAD_REQUEST;
}
} else if( num_read == 0 ) {
if( ok_on_close ) {
UpnpPrintf( UPNP_INFO, HTTP, __FILE__, __LINE__,
"<<< (RECVD) <<<\n%s\n-----------------\n",
parser->msg.msg.buf );
print_http_headers( &parser->msg );
parser->position = POS_COMPLETE;
} else {
// partial msg
parser->http_error_code = HTTP_BAD_REQUEST; // or response
return HTTP_BAD_REQUEST;
}
} else {
return num_read;
}
}
if( ( entity_offset + Data_Buf_Size ) > parser->msg.entity.length ) {
Data_Buf_Size = parser->msg.entity.length - entity_offset;
}
memcpy( Buf, &parser->msg.msg.buf[parser->entity_start_position
+ entity_offset],
Data_Buf_Size );
entity_offset += Data_Buf_Size;
if( Instr->IsVirtualFile ) {
Num_Write = virtualDirCallback.write( Fp, Buf, Data_Buf_Size );
if( Num_Write < 0 ) {
virtualDirCallback.close( Fp );
return HTTP_INTERNAL_SERVER_ERROR;
}
} else {
Num_Write = fwrite( Buf, 1, Data_Buf_Size, Fp );
if( Num_Write < 0 ) {
fclose( Fp );
return HTTP_INTERNAL_SERVER_ERROR;
}
}
} while( ( parser->position != POS_COMPLETE )
|| ( entity_offset != parser->msg.entity.length ) );
if( Instr->IsVirtualFile ) {
virtualDirCallback.close( Fp );
} else {
fclose( Fp );
}
/*
while(TotalByteReceived < Instr->RecvWriteSize &&
(NumReceived = sock_read(info,Buf, Data_Buf_Size,&Timeout) ) > 0 )
{
TotalByteReceived = TotalByteReceived + NumReceived;
Num_Write = virtualDirCallback.write(Fp, Buf, NumReceived);
if (ferror(Fp))
{
virtualDirCallback.close(Fp);
return HTTP_INTERNAL_SERVER_ERROR;
}
}
if(TotalByteReceived < Instr->RecvWriteSize)
{
return HTTP_INTERNAL_SERVER_ERROR;
}
virtualDirCallback.close(Fp);
}
*/
return HTTP_OK;
}
/************************************************************************
* Function: web_server_callback
*
* Parameters:
* IN http_parser_t *parser ; HTTP Parser Object
* INOUT http_message_t* req ; HTTP Message request
* IN SOCKINFO *info ; Socket information object
*
* Description: main entry point into web server;
* handles HTTP GET and HEAD requests
*
* Returns:
* void
************************************************************************/
void
web_server_callback( IN http_parser_t * parser,
INOUT http_message_t * req,
IN SOCKINFO * info )
{
int ret;
int timeout = 0;
enum resp_type rtype = 0;
membuffer headers;
membuffer filename;
struct xml_alias_t xmldoc;
struct SendInstruction RespInstr;
//Initialize instruction header.
RespInstr.IsVirtualFile = 0;
RespInstr.IsChunkActive = 0;
RespInstr.IsRangeActive = 0;
RespInstr.IsTrailers = 0;
// init
membuffer_init( &headers );
membuffer_init( &filename );
//Process request should create the different kind of header depending on the
//the type of request.
ret =
process_request( req, &rtype, &headers, &filename, &xmldoc,
&RespInstr );
if( ret != UPNP_E_SUCCESS ) {
// send error code
http_SendStatusResponse( info, ret, req->major_version,
req->minor_version );
} else {
//
// send response
switch ( rtype ) {
case RESP_FILEDOC: // send file, I = further instruction to send data.
http_SendMessage( info, &timeout, "Ibf", &RespInstr,
headers.buf, headers.length,
filename.buf );
break;
case RESP_XMLDOC: // send xmldoc , I = further instruction to send data.
http_SendMessage( info, &timeout, "Ibb", &RespInstr,
headers.buf, headers.length,
xmldoc.doc.buf, xmldoc.doc.length );
alias_release( &xmldoc );
break;
case RESP_WEBDOC: //, I = further instruction to send data.
/*
http_SendVirtualDirDoc( info, &timeout, "Ibf",&RespInstr,
headers.buf, headers.length,
filename.buf );
*/
http_SendMessage( info, &timeout, "Ibf", &RespInstr,
headers.buf, headers.length,
filename.buf );
break;
case RESP_HEADERS: // headers only
http_SendMessage( info, &timeout, "b",
headers.buf, headers.length );
break;
case RESP_POST: // headers only
ret =
http_RecvPostMessage( parser, info, filename.buf,
&RespInstr );
//Send response.
http_MakeMessage(
&headers, 1, 1,
"RTDSXcCc",
ret,
"text/html",
X_USER_AGENT );
http_SendMessage( info, &timeout, "b", headers.buf,
headers.length );
break;
default:
assert( 0 );
}
}
UpnpPrintf( UPNP_INFO, HTTP, __FILE__, __LINE__,
"webserver: request processed...\n" );
membuffer_destroy( &headers );
membuffer_destroy( &filename );
}
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