2012-02-04 23:40:50 +00:00
/* $Id: upnpsoap.c,v 1.90 2012/02/04 23:34:40 nanard Exp $ */
2011-09-28 19:13:20 +00:00
/* MiniUPnP project
* http : //miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
2012-02-04 23:40:50 +00:00
* ( c ) 2006 - 2012 Thomas Bernard
2011-09-28 19:13:20 +00:00
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <sys/socket.h>
# include <unistd.h>
# include <syslog.h>
# include <sys/types.h>
# include <netinet/in.h>
2012-01-20 21:55:43 +00:00
# include <arpa/inet.h>
2011-09-28 19:13:20 +00:00
# include <netdb.h>
# include "config.h"
# include "upnpglobalvars.h"
# include "upnphttp.h"
# include "upnpsoap.h"
# include "upnpreplyparse.h"
# include "upnpredirect.h"
# include "getifaddr.h"
# include "getifstats.h"
# include "getconnstatus.h"
# include "upnpurns.h"
static void
BuildSendAndCloseSoapResp ( struct upnphttp * h ,
const char * body , int bodylen )
{
static const char beforebody [ ] =
" <?xml version= \" 1.0 \" ?> \r \n "
" <s:Envelope xmlns:s= \" http://schemas.xmlsoap.org/soap/envelope/ \" "
" s:encodingStyle= \" http://schemas.xmlsoap.org/soap/encoding/ \" > "
" <s:Body> " ;
static const char afterbody [ ] =
" </s:Body> "
" </s:Envelope> \r \n " ;
BuildHeader_upnphttp ( h , 200 , " OK " , sizeof ( beforebody ) - 1
+ sizeof ( afterbody ) - 1 + bodylen ) ;
memcpy ( h - > res_buf + h - > res_buflen , beforebody , sizeof ( beforebody ) - 1 ) ;
h - > res_buflen + = sizeof ( beforebody ) - 1 ;
memcpy ( h - > res_buf + h - > res_buflen , body , bodylen ) ;
h - > res_buflen + = bodylen ;
memcpy ( h - > res_buf + h - > res_buflen , afterbody , sizeof ( afterbody ) - 1 ) ;
h - > res_buflen + = sizeof ( afterbody ) - 1 ;
2011-11-18 11:23:16 +00:00
SendRespAndClose_upnphttp ( h ) ;
2011-09-28 19:13:20 +00:00
}
static void
GetConnectionTypeInfo ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:GetConnectionTypeInfoResponse "
" xmlns:u= \" " SERVICE_TYPE_WANIPC " \" > "
" <NewConnectionType>IP_Routed</NewConnectionType> "
" <NewPossibleConnectionTypes>IP_Routed</NewPossibleConnectionTypes> "
" </u:GetConnectionTypeInfoResponse> " ;
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
static void
GetTotalBytesSent ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewTotalBytesSent>%lu</NewTotalBytesSent> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct ifdata data ;
r = getifstats ( ext_if_name , & data ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1 " ,
r < 0 ? 0 : data . obytes , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetTotalBytesReceived ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewTotalBytesReceived>%lu</NewTotalBytesReceived> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct ifdata data ;
r = getifstats ( ext_if_name , & data ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1 " ,
r < 0 ? 0 : data . ibytes , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetTotalPacketsSent ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewTotalPacketsSent>%lu</NewTotalPacketsSent> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct ifdata data ;
r = getifstats ( ext_if_name , & data ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1 " ,
r < 0 ? 0 : data . opackets , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetTotalPacketsReceived ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewTotalPacketsReceived>%lu</NewTotalPacketsReceived> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct ifdata data ;
r = getifstats ( ext_if_name , & data ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1 " ,
r < 0 ? 0 : data . ipackets , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetCommonLinkProperties ( struct upnphttp * h , const char * action )
{
/* WANAccessType : set depending on the hardware :
* DSL , POTS ( plain old Telephone service ) , Cable , Ethernet */
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
/*"<NewWANAccessType>DSL</NewWANAccessType>"*/
" <NewWANAccessType>Cable</NewWANAccessType> "
" <NewLayer1UpstreamMaxBitRate>%lu</NewLayer1UpstreamMaxBitRate> "
" <NewLayer1DownstreamMaxBitRate>%lu</NewLayer1DownstreamMaxBitRate> "
" <NewPhysicalLinkStatus>%s</NewPhysicalLinkStatus> "
" </u:%sResponse> " ;
char body [ 2048 ] ;
int bodylen ;
struct ifdata data ;
const char * status = " Up " ; /* Up, Down (Required),
* Initializing , Unavailable ( Optional ) */
char ext_ip_addr [ INET_ADDRSTRLEN ] ;
if ( ( downstream_bitrate = = 0 ) | | ( upstream_bitrate = = 0 ) )
{
if ( getifstats ( ext_if_name , & data ) > = 0 )
{
if ( downstream_bitrate = = 0 ) downstream_bitrate = data . baudrate ;
if ( upstream_bitrate = = 0 ) upstream_bitrate = data . baudrate ;
}
}
if ( getifaddr ( ext_if_name , ext_ip_addr , INET_ADDRSTRLEN ) < 0 ) {
status = " Down " ;
}
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1 " ,
upstream_bitrate , downstream_bitrate ,
status , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetStatusInfo ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewConnectionStatus>%s</NewConnectionStatus> "
" <NewLastConnectionError>ERROR_NONE</NewLastConnectionError> "
" <NewUptime>%ld</NewUptime> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
time_t uptime ;
const char * status ;
/* ConnectionStatus possible values :
* Unconfigured , Connecting , Connected , PendingDisconnect ,
* Disconnecting , Disconnected */
status = get_wan_connection_status_str ( ext_if_name ) ;
uptime = ( time ( NULL ) - startup_time ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , SERVICE_TYPE_WANIPC ,
status , ( long ) uptime , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static void
GetNATRSIPStatus ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:GetNATRSIPStatusResponse "
" xmlns:u= \" " SERVICE_TYPE_WANIPC " \" > "
" <NewRSIPAvailable>0</NewRSIPAvailable> "
" <NewNATEnabled>1</NewNATEnabled> "
" </u:GetNATRSIPStatusResponse> " ;
/* 2.2.9. RSIPAvailable
* This variable indicates if Realm - specific IP ( RSIP ) is available
* as a feature on the InternetGatewayDevice . RSIP is being defined
* in the NAT working group in the IETF to allow host - NATing using
* a standard set of message exchanges . It also allows end - to - end
* applications that otherwise break if NAT is introduced
* ( e . g . IPsec - based VPNs ) .
* A gateway that does not support RSIP should set this variable to 0. */
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
static void
GetExternalIPAddress ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewExternalIPAddress>%s</NewExternalIPAddress> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
char ext_ip_addr [ INET_ADDRSTRLEN ] ;
/* Does that method need to work with IPv6 ?
* There is usually no NAT with IPv6 */
# ifndef MULTIPLE_EXTERNAL_IP
if ( use_ext_ip_addr )
{
strncpy ( ext_ip_addr , use_ext_ip_addr , INET_ADDRSTRLEN ) ;
}
else if ( getifaddr ( ext_if_name , ext_ip_addr , INET_ADDRSTRLEN ) < 0 )
{
syslog ( LOG_ERR , " Failed to get ip address for interface %s " ,
ext_if_name ) ;
strncpy ( ext_ip_addr , " 0.0.0.0 " , INET_ADDRSTRLEN ) ;
}
# else
struct lan_addr_s * lan_addr ;
strncpy ( ext_ip_addr , " 0.0.0.0 " , INET_ADDRSTRLEN ) ;
for ( lan_addr = lan_addrs . lh_first ; lan_addr ! = NULL ; lan_addr = lan_addr - > list . le_next )
{
if ( ( h - > clientaddr . s_addr & lan_addr - > mask . s_addr )
= = ( lan_addr - > addr . s_addr & lan_addr - > mask . s_addr ) )
{
strncpy ( ext_ip_addr , lan_addr - > ext_ip_str , INET_ADDRSTRLEN ) ;
break ;
}
}
# endif
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , SERVICE_TYPE_WANIPC ,
ext_ip_addr , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
/* AddPortMapping method of WANIPConnection Service
* Ignored argument : NewEnabled */
static void
AddPortMapping ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:AddPortMappingResponse "
" xmlns:u= \" " SERVICE_TYPE_WANIPC " \" /> " ;
struct NameValueParserData data ;
char * int_ip , * int_port , * ext_port , * protocol , * desc ;
char * leaseduration_str ;
unsigned int leaseduration ;
char * r_host ;
unsigned short iport , eport ;
struct hostent * hp ; /* getbyhostname() */
char * * ptr ; /* getbyhostname() */
struct in_addr result_ip ; /*unsigned char result_ip[16];*/ /* inet_pton() */
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
int_ip = GetValueFromNameValueList ( & data , " NewInternalClient " ) ;
if ( ! int_ip )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
/* IGD 2 MUST support both wildcard and specific IP address values
* for RemoteHost ( only the wildcard value was REQUIRED in release 1.0 ) */
r_host = GetValueFromNameValueList ( & data , " NewRemoteHost " ) ;
# ifndef SUPPORT_REMOTEHOST
# ifdef UPNP_STRICT
if ( r_host & & ( strlen ( r_host ) > 0 ) & & ( 0 ! = strcmp ( r_host , " * " ) ) )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 726 , " RemoteHostOnlySupportsWildcard " ) ;
return ;
}
# endif
# endif
/* if ip not valid assume hostname and convert */
if ( inet_pton ( AF_INET , int_ip , & result_ip ) < = 0 )
{
hp = gethostbyname ( int_ip ) ;
if ( hp & & hp - > h_addrtype = = AF_INET )
{
for ( ptr = hp - > h_addr_list ; ptr & & * ptr ; ptr + + )
{
int_ip = inet_ntoa ( * ( ( struct in_addr * ) * ptr ) ) ;
result_ip = * ( ( struct in_addr * ) * ptr ) ;
/* TODO : deal with more than one ip per hostname */
break ;
}
}
else
{
syslog ( LOG_ERR , " Failed to convert hostname '%s' to ip address " , int_ip ) ;
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
}
/* check if NewInternalAddress is the client address */
if ( GETFLAG ( SECUREMODEMASK ) )
{
if ( h - > clientaddr . s_addr ! = result_ip . s_addr )
{
syslog ( LOG_INFO , " Client %s tried to redirect port to %s " ,
inet_ntoa ( h - > clientaddr ) , int_ip ) ;
ClearNameValueList ( & data ) ;
SoapError ( h , 718 , " ConflictInMappingEntry " ) ;
return ;
}
}
int_port = GetValueFromNameValueList ( & data , " NewInternalPort " ) ;
ext_port = GetValueFromNameValueList ( & data , " NewExternalPort " ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
desc = GetValueFromNameValueList ( & data , " NewPortMappingDescription " ) ;
leaseduration_str = GetValueFromNameValueList ( & data , " NewLeaseDuration " ) ;
if ( ! int_port | | ! ext_port | | ! protocol )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
eport = ( unsigned short ) atoi ( ext_port ) ;
iport = ( unsigned short ) atoi ( int_port ) ;
leaseduration = leaseduration_str ? atoi ( leaseduration_str ) : 0 ;
# ifdef IGD_V2
/* PortMappingLeaseDuration can be either a value between 1 and
* 604800 seconds or the zero value ( for infinite lease time ) .
* Note that an infinite lease time can be only set by out - of - band
* mechanisms like WWW - administration , remote management or local
* management .
* If a control point uses the value 0 to indicate an infinite lease
* time mapping , it is REQUIRED that gateway uses the maximum value
* instead ( e . g . 604800 seconds ) */
if ( leaseduration = = 0 | | leaseduration > 604800 )
leaseduration = 604800 ;
# endif
syslog ( LOG_INFO , " %s: ext port %hu to %s:%hu protocol %s for: %s leaseduration=%u rhost=%s " ,
action , eport , int_ip , iport , protocol , desc , leaseduration , r_host ) ;
r = upnp_redirect ( r_host , eport , int_ip , iport , protocol , desc , leaseduration ) ;
ClearNameValueList ( & data ) ;
/* possible error codes for AddPortMapping :
* 402 - Invalid Args
* 501 - Action Failed
* 715 - Wildcard not permited in SrcAddr
* 716 - Wildcard not permited in ExtPort
* 718 - ConflictInMappingEntry
* 724 - SamePortValuesRequired ( deprecated in IGD v2 )
* 725 - OnlyPermanentLeasesSupported
The NAT implementation only supports permanent lease times on
port mappings ( deprecated in IGD v2 )
* 726 - RemoteHostOnlySupportsWildcard
RemoteHost must be a wildcard and cannot be a specific IP
address or DNS name ( deprecated in IGD v2 )
* 727 - ExternalPortOnlySupportsWildcard
ExternalPort must be a wildcard and cannot be a specific port
value ( deprecated in IGD v2 )
* 728 - NoPortMapsAvailable
There are not enough free prots available to complete the mapping
( added in IGD v2 )
* 729 - ConflictWithOtherMechanisms ( added in IGD v2 ) */
switch ( r )
{
case 0 : /* success */
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
break ;
case - 2 : /* already redirected */
case - 3 : /* not permitted */
SoapError ( h , 718 , " ConflictInMappingEntry " ) ;
break ;
default :
SoapError ( h , 501 , " ActionFailed " ) ;
}
}
/* AddAnyPortMapping was added in WANIPConnection v2 */
static void
AddAnyPortMapping ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewReservedPort>%hu</NewReservedPort> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
const char * int_ip , * int_port , * ext_port , * protocol , * desc ;
const char * r_host ;
unsigned short iport , eport ;
const char * leaseduration_str ;
unsigned int leaseduration ;
struct hostent * hp ; /* getbyhostname() */
char * * ptr ; /* getbyhostname() */
struct in_addr result_ip ; /*unsigned char result_ip[16];*/ /* inet_pton() */
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
r_host = GetValueFromNameValueList ( & data , " NewRemoteHost " ) ;
ext_port = GetValueFromNameValueList ( & data , " NewExternalPort " ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
int_port = GetValueFromNameValueList ( & data , " NewInternalPort " ) ;
int_ip = GetValueFromNameValueList ( & data , " NewInternalClient " ) ;
/* NewEnabled */
desc = GetValueFromNameValueList ( & data , " NewPortMappingDescription " ) ;
leaseduration_str = GetValueFromNameValueList ( & data , " NewLeaseDuration " ) ;
leaseduration = leaseduration_str ? atoi ( leaseduration_str ) : 0 ;
if ( leaseduration = = 0 )
leaseduration = 604800 ;
eport = ( unsigned short ) atoi ( ext_port ) ;
iport = ( unsigned short ) atoi ( int_port ) ;
if ( ! int_ip )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
# ifndef SUPPORT_REMOTEHOST
# ifdef UPNP_STRICT
if ( r_host & & ( strlen ( r_host ) > 0 ) & & ( 0 ! = strcmp ( r_host , " * " ) ) )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 726 , " RemoteHostOnlySupportsWildcard " ) ;
return ;
}
# endif
# endif
/* if ip not valid assume hostname and convert */
if ( inet_pton ( AF_INET , int_ip , & result_ip ) < = 0 )
{
hp = gethostbyname ( int_ip ) ;
if ( hp & & hp - > h_addrtype = = AF_INET )
{
for ( ptr = hp - > h_addr_list ; ptr & & * ptr ; ptr + + )
{
int_ip = inet_ntoa ( * ( ( struct in_addr * ) * ptr ) ) ;
result_ip = * ( ( struct in_addr * ) * ptr ) ;
/* TODO : deal with more than one ip per hostname */
break ;
}
}
else
{
syslog ( LOG_ERR , " Failed to convert hostname '%s' to ip address " , int_ip ) ;
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
}
/* check if NewInternalAddress is the client address */
if ( GETFLAG ( SECUREMODEMASK ) )
{
if ( h - > clientaddr . s_addr ! = result_ip . s_addr )
{
syslog ( LOG_INFO , " Client %s tried to redirect port to %s " ,
inet_ntoa ( h - > clientaddr ) , int_ip ) ;
ClearNameValueList ( & data ) ;
SoapError ( h , 606 , " Action not authorized " ) ;
return ;
}
}
/* TODO : accept a different external port
* have some smart strategy to choose the port */
for ( ; ; ) {
r = upnp_redirect ( r_host , eport , int_ip , iport , protocol , desc , leaseduration ) ;
if ( r = = - 2 & & eport < 65535 ) {
eport + + ;
} else {
break ;
}
}
ClearNameValueList ( & data ) ;
switch ( r )
{
case 0 : /* success */
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , SERVICE_TYPE_WANIPC ,
eport , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
break ;
case - 2 : /* already redirected */
SoapError ( h , 718 , " ConflictInMappingEntry " ) ;
break ;
case - 3 : /* not permitted */
SoapError ( h , 606 , " Action not authorized " ) ;
break ;
default :
SoapError ( h , 501 , " ActionFailed " ) ;
}
}
static void
GetSpecificPortMappingEntry ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewInternalPort>%u</NewInternalPort> "
" <NewInternalClient>%s</NewInternalClient> "
" <NewEnabled>1</NewEnabled> "
" <NewPortMappingDescription>%s</NewPortMappingDescription> "
" <NewLeaseDuration>%u</NewLeaseDuration> "
" </u:%sResponse> " ;
char body [ 1024 ] ;
int bodylen ;
struct NameValueParserData data ;
const char * r_host , * ext_port , * protocol ;
unsigned short eport , iport ;
char int_ip [ 32 ] ;
char desc [ 64 ] ;
unsigned int leaseduration = 0 ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
r_host = GetValueFromNameValueList ( & data , " NewRemoteHost " ) ;
ext_port = GetValueFromNameValueList ( & data , " NewExternalPort " ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
if ( ! ext_port | | ! protocol )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
# ifndef SUPPORT_REMOTEHOST
# ifdef UPNP_STRICT
if ( r_host & & ( strlen ( r_host ) > 0 ) & & ( 0 ! = strcmp ( r_host , " * " ) ) )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 726 , " RemoteHostOnlySupportsWildcard " ) ;
return ;
}
# endif
# endif
eport = ( unsigned short ) atoi ( ext_port ) ;
/* TODO : add r_host as an input parameter ...
* We prevent several Port Mapping with same external port
* but different remoteHost to be set up , so that is not
* a priority . */
r = upnp_get_redirection_infos ( eport , protocol , & iport ,
int_ip , sizeof ( int_ip ) ,
desc , sizeof ( desc ) ,
NULL , 0 ,
& leaseduration ) ;
if ( r < 0 )
{
SoapError ( h , 714 , " NoSuchEntryInArray " ) ;
}
else
{
syslog ( LOG_INFO , " %s: rhost='%s' %s %s found => %s:%u desc='%s' " ,
action ,
r_host , ext_port , protocol , int_ip , ( unsigned int ) iport , desc ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , SERVICE_TYPE_WANIPC ,
( unsigned int ) iport , int_ip , desc , leaseduration ,
action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
ClearNameValueList ( & data ) ;
}
static void
DeletePortMapping ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:DeletePortMappingResponse "
" xmlns:u= \" " SERVICE_TYPE_WANIPC " \" > "
" </u:DeletePortMappingResponse> " ;
struct NameValueParserData data ;
const char * r_host , * ext_port , * protocol ;
unsigned short eport ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
r_host = GetValueFromNameValueList ( & data , " NewRemoteHost " ) ;
ext_port = GetValueFromNameValueList ( & data , " NewExternalPort " ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
if ( ! ext_port | | ! protocol )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
# ifndef SUPPORT_REMOTEHOST
# ifdef UPNP_STRICT
if ( r_host & & ( strlen ( r_host ) > 0 ) & & ( 0 ! = strcmp ( r_host , " * " ) ) )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 726 , " RemoteHostOnlySupportsWildcard " ) ;
return ;
}
# endif
# endif
eport = ( unsigned short ) atoi ( ext_port ) ;
/* TODO : if in secure mode, check the IP
* Removing a redirection is not a security threat ,
* just an annoyance for the user using it . So this is not
* a priority . */
syslog ( LOG_INFO , " %s: external port: %hu, protocol: %s " ,
action , eport , protocol ) ;
r = upnp_delete_redirection ( eport , protocol ) ;
if ( r < 0 )
{
SoapError ( h , 714 , " NoSuchEntryInArray " ) ;
}
else
{
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
ClearNameValueList ( & data ) ;
}
/* DeletePortMappingRange was added in IGD spec v2 */
static void
DeletePortMappingRange ( struct upnphttp * h , const char * action )
{
int r = - 1 ;
static const char resp [ ] =
" <u:DeletePortMappingRangeResponse "
" xmlns:u= \" " SERVICE_TYPE_WANIPC " \" > "
" </u:DeletePortMappingRangeResponse> " ;
struct NameValueParserData data ;
const char * protocol ;
unsigned short startport , endport ;
int manage ;
unsigned short * port_list ;
unsigned int i , number = 0 ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
startport = ( unsigned short ) atoi ( GetValueFromNameValueList ( & data , " NewStartPort " ) ) ;
endport = ( unsigned short ) atoi ( GetValueFromNameValueList ( & data , " NewEndPort " ) ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
manage = atoi ( GetValueFromNameValueList ( & data , " NewManage " ) ) ;
/* possible errors :
606 - Action not authorized
730 - PortMappingNotFound
733 - InconsistentParameter
*/
if ( startport > endport )
{
SoapError ( h , 733 , " InconsistentParameter " ) ;
ClearNameValueList ( & data ) ;
return ;
}
port_list = upnp_get_portmappings_in_range ( startport , endport ,
protocol , & number ) ;
for ( i = 0 ; i < number ; i + + )
{
r = upnp_delete_redirection ( port_list [ i ] , protocol ) ;
/* TODO : check return value for errors */
}
free ( port_list ) ;
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
ClearNameValueList ( & data ) ;
}
static void
GetGenericPortMappingEntry ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewRemoteHost>%s</NewRemoteHost> "
" <NewExternalPort>%u</NewExternalPort> "
" <NewProtocol>%s</NewProtocol> "
" <NewInternalPort>%u</NewInternalPort> "
" <NewInternalClient>%s</NewInternalClient> "
" <NewEnabled>1</NewEnabled> "
" <NewPortMappingDescription>%s</NewPortMappingDescription> "
" <NewLeaseDuration>%u</NewLeaseDuration> "
" </u:%sResponse> " ;
int index = 0 ;
unsigned short eport , iport ;
const char * m_index ;
char protocol [ 4 ] , iaddr [ 32 ] ;
char desc [ 64 ] ;
char rhost [ 40 ] ;
unsigned int leaseduration = 0 ;
struct NameValueParserData data ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
m_index = GetValueFromNameValueList ( & data , " NewPortMappingIndex " ) ;
if ( ! m_index )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
index = ( int ) atoi ( m_index ) ;
syslog ( LOG_INFO , " %s: index=%d " , action , index ) ;
rhost [ 0 ] = ' \0 ' ;
r = upnp_get_redirection_infos_by_index ( index , & eport , protocol , & iport ,
iaddr , sizeof ( iaddr ) ,
desc , sizeof ( desc ) ,
rhost , sizeof ( rhost ) ,
& leaseduration ) ;
if ( r < 0 )
{
SoapError ( h , 713 , " SpecifiedArrayIndexInvalid " ) ;
}
else
{
int bodylen ;
char body [ 2048 ] ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , SERVICE_TYPE_WANIPC , rhost ,
( unsigned int ) eport , protocol , ( unsigned int ) iport , iaddr , desc ,
leaseduration , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
ClearNameValueList ( & data ) ;
}
/* GetListOfPortMappings was added in the IGD v2 specification */
static void
GetListOfPortMappings ( struct upnphttp * h , const char * action )
{
static const char resp_start [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <NewPortListing><![CDATA[ " ;
static const char resp_end [ ] =
" ]]></NewPortListing> "
" </u:%sResponse> " ;
static const char list_start [ ] =
" <p:PortMappingList xmlns:p= \" urn:schemas-upnp-org:gw:WANIPConnection \" "
" xmlns:xsi= \" http://www.w3.org/2001/XMLSchema-instance \" "
" xsi:schemaLocation= \" urn:schemas-upnp-org:gw:WANIPConnection "
" http://www.upnp.org/schemas/gw/WANIPConnection-v2.xsd \" > " ;
static const char list_end [ ] =
" </p:PortMappingList> " ;
static const char entry [ ] =
" <p:PortMappingEntry> "
" <p:NewRemoteHost>%s</p:NewRemoteHost> "
" <p:NewExternalPort>%hu</p:NewExternalPort> "
" <p:NewProtocol>%s</p:NewProtocol> "
" <p:NewInternalPort>%hu</p:NewInternalPort> "
" <p:NewInternalClient>%s</p:NewInternalClient> "
" <p:NewEnabled>1</p:NewEnabled> "
" <p:NewDescription>%s</p:NewDescription> "
" <p:NewLeaseTime>%u</p:NewLeaseTime> "
" </p:PortMappingEntry> " ;
char * body ;
size_t bodyalloc ;
int bodylen ;
int r = - 1 ;
unsigned short iport ;
char int_ip [ 32 ] ;
char desc [ 64 ] ;
char rhost [ 64 ] ;
unsigned int leaseduration = 0 ;
struct NameValueParserData data ;
unsigned short startport , endport ;
const char * protocol ;
int manage ;
int number ;
unsigned short * port_list ;
unsigned int i , list_size = 0 ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
startport = ( unsigned short ) atoi ( GetValueFromNameValueList ( & data , " NewStartPort " ) ) ;
endport = ( unsigned short ) atoi ( GetValueFromNameValueList ( & data , " NewEndPort " ) ) ;
protocol = GetValueFromNameValueList ( & data , " NewProtocol " ) ;
manage = atoi ( GetValueFromNameValueList ( & data , " NewManage " ) ) ;
number = atoi ( GetValueFromNameValueList ( & data , " NewNumberOfPorts " ) ) ;
if ( number = = 0 ) number = 1000 ; /* return up to 1000 mappings by default */
if ( startport > endport )
{
SoapError ( h , 733 , " InconsistentParameter " ) ;
ClearNameValueList ( & data ) ;
return ;
}
/*
build the PortMappingList xml document :
< p : PortMappingList xmlns : p = " urn:schemas-upnp-org:gw:WANIPConnection "
xmlns : xsi = " http://www.w3.org/2001/XMLSchema-instance "
xsi : schemaLocation = " urn:schemas-upnp-org:gw:WANIPConnection
http : //www.upnp.org/schemas/gw/WANIPConnection-v2.xsd">
< p : PortMappingEntry >
< p : NewRemoteHost > 202.233 .2 .1 < / p : NewRemoteHost >
< p : NewExternalPort > 2345 < / p : NewExternalPort >
< p : NewProtocol > TCP < / p : NewProtocol >
< p : NewInternalPort > 2345 < / p : NewInternalPort >
< p : NewInternalClient > 192.168 .1 .137 < / p : NewInternalClient >
< p : NewEnabled > 1 < / p : NewEnabled >
< p : NewDescription > dooom < / p : NewDescription >
< p : NewLeaseTime > 345 < / p : NewLeaseTime >
< / p : PortMappingEntry >
< / p : PortMappingList >
*/
bodyalloc = 4096 ;
body = malloc ( bodyalloc ) ;
if ( ! body )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 501 , " ActionFailed " ) ;
return ;
}
bodylen = snprintf ( body , bodyalloc , resp_start ,
action , SERVICE_TYPE_WANIPC ) ;
memcpy ( body + bodylen , list_start , sizeof ( list_start ) ) ;
bodylen + = ( sizeof ( list_start ) - 1 ) ;
port_list = upnp_get_portmappings_in_range ( startport , endport ,
protocol , & list_size ) ;
/* loop through port mappings */
for ( i = 0 ; number > 0 & & i < list_size ; i + + )
{
/* have a margin of 1024 bytes to store the new entry */
if ( bodylen + 1024 > bodyalloc )
{
bodyalloc + = 4096 ;
body = realloc ( body , bodyalloc ) ;
if ( ! body )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 501 , " ActionFailed " ) ;
free ( port_list ) ;
return ;
}
}
rhost [ 0 ] = ' \0 ' ;
r = upnp_get_redirection_infos ( port_list [ i ] , protocol , & iport ,
int_ip , sizeof ( int_ip ) ,
desc , sizeof ( desc ) ,
rhost , sizeof ( rhost ) ,
& leaseduration ) ;
if ( r = = 0 )
{
bodylen + = snprintf ( body + bodylen , bodyalloc - bodylen , entry ,
rhost , port_list [ i ] , protocol ,
iport , int_ip , desc , leaseduration ) ;
number - - ;
}
}
free ( port_list ) ;
port_list = NULL ;
memcpy ( body + bodylen , list_end , sizeof ( list_end ) ) ;
bodylen + = ( sizeof ( list_end ) - 1 ) ;
bodylen + = snprintf ( body + bodylen , bodyalloc - bodylen , resp_end ,
action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
free ( body ) ;
ClearNameValueList ( & data ) ;
}
# ifdef ENABLE_L3F_SERVICE
static void
SetDefaultConnectionService ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:SetDefaultConnectionServiceResponse "
" xmlns:u= \" urn:schemas-upnp-org:service:Layer3Forwarding:1 \" > "
" </u:SetDefaultConnectionServiceResponse> " ;
struct NameValueParserData data ;
char * p ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
p = GetValueFromNameValueList ( & data , " NewDefaultConnectionService " ) ;
if ( p ) {
syslog ( LOG_INFO , " %s(%s) : Ignored " , action , p ) ;
}
ClearNameValueList ( & data ) ;
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
static void
GetDefaultConnectionService ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" urn:schemas-upnp-org:service:Layer3Forwarding:1 \" > "
" <NewDefaultConnectionService>%s:WANConnectionDevice:1, "
SERVICE_ID_WANIPC " </NewDefaultConnectionService> "
" </u:%sResponse> " ;
/* example from UPnP_IGD_Layer3Forwarding 1.0.pdf :
* uuid : 44f 5824f - c57d - 418 c - a131 - f22b34e14111 : WANConnectionDevice : 1 ,
* urn : upnp - org : serviceId : WANPPPConn1 */
char body [ 1024 ] ;
int bodylen ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , uuidvalue , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
# endif
/* Added for compliance with WANIPConnection v2 */
static void
SetConnectionType ( struct upnphttp * h , const char * action )
{
const char * connection_type ;
struct NameValueParserData data ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
connection_type = GetValueFromNameValueList ( & data , " NewConnectionType " ) ;
/* Unconfigured, IP_Routed, IP_Bridged */
ClearNameValueList ( & data ) ;
/* always return a ReadOnly error */
SoapError ( h , 731 , " ReadOnly " ) ;
}
/* Added for compliance with WANIPConnection v2 */
static void
RequestConnection ( struct upnphttp * h , const char * action )
{
SoapError ( h , 606 , " Action not authorized " ) ;
}
/* Added for compliance with WANIPConnection v2 */
static void
ForceTermination ( struct upnphttp * h , const char * action )
{
SoapError ( h , 606 , " Action not authorized " ) ;
}
/*
If a control point calls QueryStateVariable on a state variable that is not
buffered in memory within ( or otherwise available from ) the service ,
the service must return a SOAP fault with an errorCode of 404 Invalid Var .
QueryStateVariable remains useful as a limited test tool but may not be
part of some future versions of UPnP .
*/
static void
QueryStateVariable ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <return>%s</return> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
const char * var_name ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
/*var_name = GetValueFromNameValueList(&data, "QueryStateVariable"); */
/*var_name = GetValueFromNameValueListIgnoreNS(&data, "varName");*/
var_name = GetValueFromNameValueList ( & data , " varName " ) ;
/*syslog(LOG_INFO, "QueryStateVariable(%.40s)", var_name); */
if ( ! var_name )
{
SoapError ( h , 402 , " Invalid Args " ) ;
}
else if ( strcmp ( var_name , " ConnectionStatus " ) = = 0 )
{
const char * status ;
status = get_wan_connection_status_str ( ext_if_name ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:control-1-0 " ,
status , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
#if 0
/* not usefull */
else if ( strcmp ( var_name , " ConnectionType " ) = = 0 )
{
bodylen = snprintf ( body , sizeof ( body ) , resp , " IP_Routed " ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
else if ( strcmp ( var_name , " LastConnectionError " ) = = 0 )
{
bodylen = snprintf ( body , sizeof ( body ) , resp , " ERROR_NONE " ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
# endif
else if ( strcmp ( var_name , " PortMappingNumberOfEntries " ) = = 0 )
{
char strn [ 10 ] ;
snprintf ( strn , sizeof ( strn ) , " %i " ,
upnp_get_portmapping_number_of_entries ( ) ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:control-1-0 " ,
strn , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
else
{
syslog ( LOG_NOTICE , " %s: Unknown: %s " , action , var_name ? var_name : " " ) ;
SoapError ( h , 404 , " Invalid Var " ) ;
}
ClearNameValueList ( & data ) ;
}
# ifdef ENABLE_6FC_SERVICE
# ifndef ENABLE_IPV6
# error "ENABLE_6FC_SERVICE needs ENABLE_IPV6"
# endif
/* WANIPv6FirewallControl actions */
static void
GetFirewallStatus ( struct upnphttp * h , const char * action )
{
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <FirewallEnabled>%d</FirewallEnabled> "
" <InboundPinholeAllowed>%d</InboundPinholeAllowed> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " ,
ipv6fc_firewall_enabled , ipv6fc_inbound_pinhole_allowed , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
static int
CheckStatus ( struct upnphttp * h )
{
if ( ! ipv6fc_firewall_enabled )
{
SoapError ( h , 702 , " FirewallDisabed " ) ;
return 0 ;
}
else if ( ! ipv6fc_inbound_pinhole_allowed )
{
SoapError ( h , 703 , " InboundPinholeNotAllowed " ) ;
return 0 ;
}
else
return 1 ;
}
static int
DataVerification ( struct upnphttp * h , char * int_ip , unsigned short * int_port , const char * protocol , char * leaseTime )
{
2012-02-04 23:40:50 +00:00
/* ** Internal IP can't be wildcarded */
2011-09-28 19:13:20 +00:00
if ( ! int_ip )
{
SoapError ( h , 708 , " WildCardNotPermittedInSrcIP " ) ;
return 0 ;
}
if ( ! strchr ( int_ip , ' : ' ) )
{
SoapError ( h , 402 , " Invalid Args " ) ;
return 0 ;
}
2012-02-04 23:40:50 +00:00
/* ** Internal port can't be wilcarded. */
/* printf("\tint_port: *%d*\n", *int_port); */
2011-09-28 19:13:20 +00:00
if ( * int_port = = 0 )
{
SoapError ( h , 706 , " InternalPortWilcardingNotAllowed " ) ;
return 0 ;
}
2012-02-04 23:40:50 +00:00
/* ** Protocol can't be wilcarded and can't be an unknown port
* ( here deal with only UDP , TCP , UDPLITE ) */
/* printf("\tprotocol: *%s*\n", protocol); */
2011-09-28 19:13:20 +00:00
if ( atoi ( protocol ) = = 65535 )
{
SoapError ( h , 707 , " ProtocolWilcardingNotAllowed " ) ;
return 0 ;
}
else if ( atoi ( protocol ) ! = IPPROTO_UDP
& & atoi ( protocol ) ! = IPPROTO_TCP
# ifdef IPPROTO_UDPITE
& & atoi ( protocol ) ! = IPPROTO_UDPLITE
# endif
)
{
SoapError ( h , 705 , " ProtocolNotSupported " ) ;
return 0 ;
}
2012-02-04 23:40:50 +00:00
/* ** Lease Time can't be wilcarded nor >86400. */
/* printf("\tlease time: %s\n", leaseTime); */
2011-09-28 19:13:20 +00:00
if ( ! leaseTime | | ! atoi ( leaseTime ) | | atoi ( leaseTime ) > 86400 )
{
/* lease duration is never infinite, nor wilcarded. In this case, use default value */
syslog ( LOG_WARNING , " LeaseTime=%s not supported, (ip=%s) " , leaseTime , int_ip ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return 0 ;
}
return 1 ;
}
#if 0
static int connecthostport ( const char * host , unsigned short port , char * result )
{
int s , n ;
char hostname [ INET6_ADDRSTRLEN ] ;
char port_str [ 8 ] , ifname [ 8 ] , tmp [ 4 ] ;
struct addrinfo * ai , * p ;
struct addrinfo hints ;
memset ( & hints , 0 , sizeof ( hints ) ) ;
/* hints.ai_flags = AI_ADDRCONFIG; */
# ifdef AI_NUMERICSERV
hints . ai_flags = AI_NUMERICSERV ;
# endif
hints . ai_socktype = SOCK_STREAM ;
hints . ai_family = AF_UNSPEC ; /* AF_INET, AF_INET6 or AF_UNSPEC */
/* hints.ai_protocol = IPPROTO_TCP; */
snprintf ( port_str , sizeof ( port_str ) , " %hu " , port ) ;
strcpy ( hostname , host ) ;
if ( ! strncmp ( host , " fe80 " , 4 ) )
{
printf ( " Using an linklocal address \n " ) ;
strcpy ( ifname , " % " ) ;
snprintf ( tmp , sizeof ( tmp ) , " %d " , linklocal_index ) ;
strcat ( ifname , tmp ) ;
strcat ( hostname , ifname ) ;
printf ( " host: %s \n " , hostname ) ;
}
n = getaddrinfo ( hostname , port_str , & hints , & ai ) ;
if ( n ! = 0 )
{
fprintf ( stderr , " getaddrinfo() error : %s \n " , gai_strerror ( n ) ) ;
return - 1 ;
}
s = - 1 ;
for ( p = ai ; p ; p = p - > ai_next )
{
# ifdef DEBUG
char tmp_host [ 256 ] ;
char tmp_service [ 256 ] ;
printf ( " ai_family=%d ai_socktype=%d ai_protocol=%d ai_addrlen=%d \n " ,
p - > ai_family , p - > ai_socktype , p - > ai_protocol , p - > ai_addrlen ) ;
getnameinfo ( p - > ai_addr , p - > ai_addrlen , tmp_host , sizeof ( tmp_host ) ,
tmp_service , sizeof ( tmp_service ) ,
NI_NUMERICHOST | NI_NUMERICSERV ) ;
printf ( " host=%s service=%s \n " , tmp_host , tmp_service ) ;
# endif
inet_ntop ( AF_INET6 , & ( ( ( struct sockaddr_in6 * ) p - > ai_addr ) - > sin6_addr ) , result , INET6_ADDRSTRLEN ) ;
return 0 ;
}
freeaddrinfo ( ai ) ;
}
# endif
/* Check the security policy right */
static int
PinholeVerification ( struct upnphttp * h , char * int_ip , unsigned short * int_port )
{
int n ;
/* Pinhole InternalClient address must correspond to the action sender */
syslog ( LOG_INFO , " Checking internal IP@ and port (Security policy purpose) " ) ;
char senderAddr [ INET6_ADDRSTRLEN ] = " " ;
//char str[INET6_ADDRSTRLEN]="";
//connecthostport(int_ip, *int_port, str);
//printf("int_ip: %s / str: %s\n", int_ip, str);
struct addrinfo hints , * ai , * p ;
struct in6_addr result_ip ; /*unsigned char result_ip[16];*/ /* inet_pton() */ //IPv6 Modification
hints . ai_socktype = SOCK_STREAM ;
hints . ai_family = AF_UNSPEC ;
/* if ip not valid assume hostname and convert */
if ( inet_pton ( AF_INET6 , int_ip , & result_ip ) < = 0 ) //IPv6 Modification
{
n = getaddrinfo ( int_ip , NULL , & hints , & ai ) ; //hp = gethostbyname(int_ip);
if ( ! n & & ai - > ai_family = = AF_INET6 ) //IPv6 Modification
{
for ( p = ai ; p ; p = p - > ai_next ) //ptr = hp->h_addr_list; ptr && *ptr; ptr++)
{
inet_ntop ( AF_INET6 , ( struct in6_addr * ) p , int_ip , sizeof ( struct in6_addr ) ) ; ///IPv6 Modification
result_ip = * ( ( struct in6_addr * ) p ) ;
fprintf ( stderr , " upnpsoap / AddPinhole: assuming int addr = %s " , int_ip ) ;
/* TODO : deal with more than one ip per hostname */
break ;
}
}
else
{
syslog ( LOG_ERR , " Failed to convert hostname '%s' to ip address " , int_ip ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return - 1 ;
}
freeaddrinfo ( p ) ;
}
if ( inet_ntop ( AF_INET6 , & ( h - > clientaddr_v6 ) , senderAddr , INET6_ADDRSTRLEN ) < = 0 )
{
//printf("Failed to inet_ntop\n");
syslog ( LOG_ERR , " inet_ntop: %m " ) ;
}
# ifdef DEBUG
printf ( " \t PinholeVerification: \n \t \t Compare sender @: %s \n \t \t to intClient @: %s \n " , senderAddr , int_ip ) ;
# endif
if ( strcmp ( senderAddr , int_ip ) ! = 0 )
if ( h - > clientaddr_v6 . s6_addr ! = result_ip . s6_addr )
{
syslog ( LOG_INFO , " Client %s tried to access pinhole for internal %s and is not authorized to do it " ,
senderAddr , int_ip ) ;
SoapError ( h , 606 , " Action not authorized " ) ;
return 0 ;
}
/* Pinhole InternalPort must be greater than or equal to 1024 */
if ( * int_port < 1024 )
{
syslog ( LOG_INFO , " Client %s tried to access pinhole with port < 1024 and is not authorized to do it " ,
senderAddr ) ;
SoapError ( h , 606 , " Action not authorized " ) ;
return 0 ;
}
return 1 ;
}
static void
AddPinhole ( struct upnphttp * h , const char * action )
{
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <UniqueID>%d</UniqueID> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
char * rem_host , * rem_port , * int_ip , * int_port , * protocol , * leaseTime ;
int uid = 0 ;
unsigned short iport , rport ;
if ( CheckStatus ( h ) = = 0 )
return ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
rem_host = GetValueFromNameValueList ( & data , " RemoteHost " ) ;
rem_port = GetValueFromNameValueList ( & data , " RemotePort " ) ;
int_ip = GetValueFromNameValueList ( & data , " InternalClient " ) ;
int_port = GetValueFromNameValueList ( & data , " InternalPort " ) ;
protocol = GetValueFromNameValueList ( & data , " Protocol " ) ;
leaseTime = GetValueFromNameValueList ( & data , " LeaseTime " ) ;
rport = ( unsigned short ) atoi ( rem_port ) ;
iport = ( unsigned short ) atoi ( int_port ) ;
2012-02-04 23:40:50 +00:00
/* ** As there is no security policy, InternalClient must be equal
* to the CP ' s IP address . */
2011-09-28 19:13:20 +00:00
if ( DataVerification ( h , int_ip , & iport , protocol , leaseTime ) = = 0
| | PinholeVerification ( h , int_ip , & iport ) < = 0 )
{
ClearNameValueList ( & data ) ;
return ;
}
2012-02-04 23:40:50 +00:00
/* ** RemoteHost can be wilcarded or an IDN. */
2011-09-28 19:13:20 +00:00
/*printf("\trem_host: %s\n", rem_host);*/
if ( rem_host ! = NULL & & ! strchr ( rem_host , ' : ' ) )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
/*printf("\tAddr check passed.\n");*/
syslog ( LOG_INFO , " %s: (inbound) from [%s]:%hu to [%s]:%hu with protocol %s during %ssec " , action , rem_host ? rem_host : " anywhere " , rport , int_ip , iport , protocol , leaseTime ) ;
r = upnp_add_inboundpinhole ( rem_host , rport , int_ip , iport , protocol , leaseTime , & uid ) ;
switch ( r )
{
case 1 : /* success */
bodylen = snprintf ( body , sizeof ( body ) , resp , action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " , uid , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
break ;
case - 1 : /* not permitted */
SoapError ( h , 701 , " PinholeSpaceExhausted " ) ;
break ;
default :
SoapError ( h , 501 , " ActionFailed " ) ;
break ;
}
ClearNameValueList ( & data ) ;
}
static void
UpdatePinhole ( struct upnphttp * h , const char * action )
{
int r , n ;
static const char resp [ ] =
" <u:UpdatePinholeResponse "
" xmlns:u= \" urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 \" > "
" </u:UpdatePinholeResponse> " ;
struct NameValueParserData data ;
const char * uid , * leaseTime ;
char iaddr [ 40 ] , proto [ 6 ] , lt [ 12 ] ;
unsigned short iport ;
if ( CheckStatus ( h ) = = 0 )
return ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
uid = GetValueFromNameValueList ( & data , " UniqueID " ) ;
leaseTime = GetValueFromNameValueList ( & data , " NewLeaseTime " ) ;
if ( ! uid | | ! leaseTime | | ! atoi ( leaseTime ) | | atoi ( leaseTime ) > 86400 )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
2012-02-04 23:40:50 +00:00
/* Check that client is not deleting an pinhole
* it doesn ' t have access to , because of its public access */
2011-09-28 19:13:20 +00:00
n = upnp_get_pinhole_info ( 0 , 0 , iaddr , & iport , proto , uid , lt ) ;
if ( n > 0 )
{
if ( PinholeVerification ( h , iaddr , & iport ) = = 0 )
{
ClearNameValueList ( & data ) ;
return ;
}
}
syslog ( LOG_INFO , " %s: (inbound) updating lease duration to %s for pinhole with ID: %s " , action , leaseTime , uid ) ;
r = upnp_update_inboundpinhole ( uid , leaseTime ) ;
if ( r < 0 )
{
if ( r = = - 4 | | r = = - 1 )
SoapError ( h , 704 , " NoSuchEntry " ) ;
else
SoapError ( h , 501 , " ActionFailed " ) ;
}
else
{
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
ClearNameValueList ( & data ) ;
}
static void
GetOutboundPinholeTimeout ( struct upnphttp * h , const char * action )
{
if ( ! ipv6fc_firewall_enabled )
{
SoapError ( h , 702 , " FirewallDisabed " ) ;
return ;
}
int r ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <OutboundPinholeTimeout>%d</OutboundPinholeTimeout> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
char * int_ip , * int_port , * rem_host , * rem_port , * protocol ;
int opt = 0 , proto = 0 ;
unsigned short iport , rport ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
int_ip = GetValueFromNameValueList ( & data , " InternalClient " ) ;
int_port = GetValueFromNameValueList ( & data , " InternalPort " ) ;
rem_host = GetValueFromNameValueList ( & data , " RemoteHost " ) ;
rem_port = GetValueFromNameValueList ( & data , " RemotePort " ) ;
protocol = GetValueFromNameValueList ( & data , " Protocol " ) ;
rport = ( unsigned short ) atoi ( rem_port ) ;
iport = ( unsigned short ) atoi ( int_port ) ;
proto = atoi ( protocol ) ;
syslog ( LOG_INFO , " %s: retrieving timeout for outbound pinhole from [%s]:%hu to [%s]:%hu protocol %s " , action , int_ip , iport , rem_host , rport , protocol ) ;
r = upnp_check_outbound_pinhole ( proto , & opt ) ;
switch ( r )
{
case 1 : /* success */
bodylen = snprintf ( body , sizeof ( body ) , resp , action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " , opt , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
break ;
case - 5 : /* Protocol not supported */
SoapError ( h , 705 , " ProtocolNotSupported " ) ;
break ;
default :
SoapError ( h , 501 , " ActionFailed " ) ;
}
ClearNameValueList ( & data ) ;
}
static void
DeletePinhole ( struct upnphttp * h , const char * action )
{
if ( CheckStatus ( h ) = = 0 )
return ;
int r , n ;
static const char resp [ ] =
" <u:DeletePinholeResponse "
" xmlns:u= \" urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 \" > "
" </u:DeletePinholeResponse> " ;
struct NameValueParserData data ;
const char * uid ;
char iaddr [ 40 ] , proto [ 6 ] , lt [ 12 ] ;
unsigned short iport ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
uid = GetValueFromNameValueList ( & data , " UniqueID " ) ;
if ( ! uid )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
2012-02-04 23:40:50 +00:00
/* Check that client is not deleting an pinhole
* it doesn ' t have access to , because of its public access */
2011-09-28 19:13:20 +00:00
n = upnp_get_pinhole_info ( 0 , 0 , iaddr , & iport , proto , uid , lt ) ;
if ( n > 0 )
{
if ( PinholeVerification ( h , iaddr , & iport ) = = 0 )
{
ClearNameValueList ( & data ) ;
return ;
}
}
syslog ( LOG_INFO , " %s: (inbound) delete pinhole with ID: %s " , action , uid ) ;
r = upnp_delete_inboundpinhole ( uid ) ;
if ( r < = 0 )
{
syslog ( LOG_INFO , " %s: (inbound) failed to remove pinhole with ID: %s " , action , uid ) ;
if ( r = = - 4 )
SoapError ( h , 704 , " NoSuchEntry " ) ;
else
SoapError ( h , 501 , " ActionFailed " ) ;
}
else
{
syslog ( LOG_INFO , " %s: (inbound) pinhole successfully removed " , action ) ;
BuildSendAndCloseSoapResp ( h , resp , sizeof ( resp ) - 1 ) ;
}
ClearNameValueList ( & data ) ;
}
static void
CheckPinholeWorking ( struct upnphttp * h , const char * action )
{
if ( CheckStatus ( h ) = = 0 )
return ;
int r , d ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <IsWorking>%d</IsWorking> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
const char * uid ;
char eaddr [ 40 ] , iaddr [ 40 ] , proto [ 6 ] , lt [ 12 ] ;
unsigned short eport , iport ;
int isWorking = 0 ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
uid = GetValueFromNameValueList ( & data , " UniqueID " ) ;
if ( ! uid )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
2012-02-04 23:40:50 +00:00
/* Check that client is not checking a pinhole
* it doesn ' t have access to , because of its public access */
2011-09-28 19:13:20 +00:00
r = upnp_get_pinhole_info ( eaddr , eport , iaddr , & iport , proto , uid , lt ) ;
if ( r > 0 )
{
if ( PinholeVerification ( h , iaddr , & iport ) = = 0 )
{
ClearNameValueList ( & data ) ;
return ;
}
else
{
int rulenum_used , rulenum = 0 ;
d = upnp_check_pinhole_working ( uid , eaddr , iaddr , & eport , & iport , proto , & rulenum_used ) ;
if ( d < 0 )
{
if ( d = = - 4 )
{
syslog ( LOG_INFO , " %s: rule for ID=%s, no trace found for this pinhole " , action , uid ) ;
SoapError ( h , 709 , " NoPacketSent " ) ;
ClearNameValueList ( & data ) ;
return ;
}
else
{
// d==-5 not same table // d==-6 not same chain // d==-7 not found a rule but policy traced
isWorking = 0 ;
syslog ( LOG_INFO , " %s: rule for ID=%s is not working, packet going through %s " , action , uid , ( d = = - 5 ) ? " the wrong table " : ( ( d = = - 6 ) ? " the wrong chain " : " a chain policy " ) ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " ,
isWorking , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
}
else
{
/*check_rule_from_file(uid, &rulenum);*/
if ( rulenum_used = = rulenum )
{
isWorking = 1 ;
syslog ( LOG_INFO , " %s: rule for ID=%s is working properly " , action , uid ) ;
}
else
{
isWorking = 0 ;
syslog ( LOG_INFO , " %s: rule for ID=%s is not working " , action , uid ) ;
}
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " ,
isWorking , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
}
}
else if ( r = = - 4 | | r = = - 1 )
{
SoapError ( h , 704 , " NoSuchEntry " ) ;
}
else
{
SoapError ( h , 501 , " ActionFailed " ) ;
ClearNameValueList ( & data ) ;
return ;
}
ClearNameValueList ( & data ) ;
}
static void
GetPinholePackets ( struct upnphttp * h , const char * action )
{
if ( CheckStatus ( h ) = = 0 )
return ;
int r , n ;
static const char resp [ ] =
" <u:%sResponse "
" xmlns:u= \" %s \" > "
" <PinholePackets>%d</PinholePackets> "
" </u:%sResponse> " ;
char body [ 512 ] ;
int bodylen ;
struct NameValueParserData data ;
const char * uid ;
char iaddr [ 40 ] , proto [ 6 ] , lt [ 12 ] ;
unsigned short iport ;
int pinholePackets = 0 ;
ParseNameValue ( h - > req_buf + h - > req_contentoff , h - > req_contentlen , & data ) ;
uid = GetValueFromNameValueList ( & data , " UniqueID " ) ;
if ( ! uid )
{
ClearNameValueList ( & data ) ;
SoapError ( h , 402 , " Invalid Args " ) ;
return ;
}
2012-02-04 23:40:50 +00:00
/* Check that client is not getting infos of a pinhole
* it doesn ' t have access to , because of its public access */
2011-09-28 19:13:20 +00:00
r = upnp_get_pinhole_info ( 0 , 0 , iaddr , & iport , proto , uid , lt ) ;
if ( r > 0 )
{
if ( PinholeVerification ( h , iaddr , & iport ) = = 0 )
{
ClearNameValueList ( & data ) ;
return ;
}
}
n = upnp_get_pinhole_packets ( uid , & pinholePackets ) ;
if ( n > 0 )
{
bodylen = snprintf ( body , sizeof ( body ) , resp ,
action , " urn:schemas-upnp-org:service:WANIPv6FirewallControl:1 " ,
pinholePackets , action ) ;
BuildSendAndCloseSoapResp ( h , body , bodylen ) ;
}
else if ( r = = - 4 | | r = = - 1 )
{
SoapError ( h , 704 , " NoSuchEntry " ) ;
}
else
{
SoapError ( h , 501 , " ActionFailed " ) ;
ClearNameValueList ( & data ) ;
return ;
}
ClearNameValueList ( & data ) ;
}
# endif
/* Windows XP as client send the following requests :
* GetConnectionTypeInfo
* GetNATRSIPStatus
* ? GetTotalBytesSent - WANCommonInterfaceConfig
* ? GetTotalBytesReceived - idem
* ? GetTotalPacketsSent - idem
* ? GetTotalPacketsReceived - idem
* GetCommonLinkProperties - idem
* GetStatusInfo - WANIPConnection
* GetExternalIPAddress
* QueryStateVariable / ConnectionStatus !
*/
static const struct
{
const char * methodName ;
void ( * methodImpl ) ( struct upnphttp * , const char * ) ;
}
soapMethods [ ] =
{
/* WANCommonInterfaceConfig */
{ " QueryStateVariable " , QueryStateVariable } ,
{ " GetTotalBytesSent " , GetTotalBytesSent } ,
{ " GetTotalBytesReceived " , GetTotalBytesReceived } ,
{ " GetTotalPacketsSent " , GetTotalPacketsSent } ,
{ " GetTotalPacketsReceived " , GetTotalPacketsReceived } ,
{ " GetCommonLinkProperties " , GetCommonLinkProperties } ,
{ " GetStatusInfo " , GetStatusInfo } ,
/* WANIPConnection */
{ " GetConnectionTypeInfo " , GetConnectionTypeInfo } ,
{ " GetNATRSIPStatus " , GetNATRSIPStatus } ,
{ " GetExternalIPAddress " , GetExternalIPAddress } ,
{ " AddPortMapping " , AddPortMapping } ,
{ " DeletePortMapping " , DeletePortMapping } ,
{ " GetGenericPortMappingEntry " , GetGenericPortMappingEntry } ,
{ " GetSpecificPortMappingEntry " , GetSpecificPortMappingEntry } ,
/* Required in WANIPConnection:2 */
{ " SetConnectionType " , SetConnectionType } ,
{ " RequestConnection " , RequestConnection } ,
{ " ForceTermination " , ForceTermination } ,
{ " AddAnyPortMapping " , AddAnyPortMapping } ,
{ " DeletePortMappingRange " , DeletePortMappingRange } ,
{ " GetListOfPortMappings " , GetListOfPortMappings } ,
# ifdef ENABLE_L3F_SERVICE
/* Layer3Forwarding */
{ " SetDefaultConnectionService " , SetDefaultConnectionService } ,
{ " GetDefaultConnectionService " , GetDefaultConnectionService } ,
# endif
# ifdef ENABLE_6FC_SERVICE
/* WANIPv6FirewallControl */
{ " GetFirewallStatus " , GetFirewallStatus } ,
{ " AddPinhole " , AddPinhole } ,
{ " UpdatePinhole " , UpdatePinhole } ,
{ " GetOutboundPinholeTimeout " , GetOutboundPinholeTimeout } ,
{ " DeletePinhole " , DeletePinhole } ,
{ " CheckPinholeWorking " , CheckPinholeWorking } ,
{ " GetPinholePackets " , GetPinholePackets } ,
# endif
{ 0 , 0 }
} ;
void
ExecuteSoapAction ( struct upnphttp * h , const char * action , int n )
{
char * p ;
char * p2 ;
int i , len , methodlen ;
i = 0 ;
p = strchr ( action , ' # ' ) ;
if ( p )
{
p + + ;
p2 = strchr ( p , ' " ' ) ;
if ( p2 )
methodlen = p2 - p ;
else
methodlen = n - ( p - action ) ;
/*syslog(LOG_DEBUG, "SoapMethod: %.*s", methodlen, p);*/
while ( soapMethods [ i ] . methodName )
{
len = strlen ( soapMethods [ i ] . methodName ) ;
if ( strncmp ( p , soapMethods [ i ] . methodName , len ) = = 0 )
{
soapMethods [ i ] . methodImpl ( h , soapMethods [ i ] . methodName ) ;
return ;
}
i + + ;
}
syslog ( LOG_NOTICE , " SoapMethod: Unknown: %.*s " , methodlen , p ) ;
}
SoapError ( h , 401 , " Invalid Action " ) ;
}
/* Standard Errors:
*
* errorCode errorDescription Description
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* 401 Invalid Action No action by that name at this service .
* 402 Invalid Args Could be any of the following : not enough in args ,
* too many in args , no in arg by that name ,
* one or more in args are of the wrong data type .
* 403 Out of Sync Out of synchronization .
* 501 Action Failed May be returned in current state of service
* prevents invoking that action .
* 600 - 699 TBD Common action errors . Defined by UPnP Forum
* Technical Committee .
* 700 - 799 TBD Action - specific errors for standard actions .
* Defined by UPnP Forum working committee .
* 800 - 899 TBD Action - specific errors for non - standard actions .
* Defined by UPnP vendor .
*/
void
SoapError ( struct upnphttp * h , int errCode , const char * errDesc )
{
static const char resp [ ] =
" <s:Envelope "
" xmlns:s= \" http://schemas.xmlsoap.org/soap/envelope/ \" "
" s:encodingStyle= \" http://schemas.xmlsoap.org/soap/encoding/ \" > "
" <s:Body> "
" <s:Fault> "
" <faultcode>s:Client</faultcode> "
" <faultstring>UPnPError</faultstring> "
" <detail> "
" <UPnPError xmlns= \" urn:schemas-upnp-org:control-1-0 \" > "
" <errorCode>%d</errorCode> "
" <errorDescription>%s</errorDescription> "
" </UPnPError> "
" </detail> "
" </s:Fault> "
" </s:Body> "
" </s:Envelope> " ;
char body [ 2048 ] ;
int bodylen ;
syslog ( LOG_INFO , " Returning UPnPError %d: %s " , errCode , errDesc ) ;
bodylen = snprintf ( body , sizeof ( body ) , resp , errCode , errDesc ) ;
BuildResp2_upnphttp ( h , 500 , " Internal Server Error " , body , bodylen ) ;
2011-11-18 11:23:16 +00:00
SendRespAndClose_upnphttp ( h ) ;
2011-09-28 19:13:20 +00:00
}