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1972 lines (1776 loc) · 55.1 KB
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/* $Id: upnpsoap.c,v 1.119 2013/08/19 16:16:00 nanard Exp $ */
/* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
* (c) 2006-2013 Thomas Bernard
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <sys/socket.h>
#include <unistd.h>
#include <syslog.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "macros.h"
#include "config.h"
#include "upnpglobalvars.h"
#include "upnphttp.h"
#include "upnpsoap.h"
#include "upnpreplyparse.h"
#include "upnpredirect.h"
#include "upnppinhole.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;
SendRespAndClose_upnphttp(h);
}
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>";
UNUSED(action);
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, NULL, NULL) < 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>";
UNUSED(action);
/* 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, NULL, NULL) < 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_host : "NULL");
/* TODO : be compliant with IGD spec for updating existing port mappings.
See "WANIPConnection:1 Service Template Version 1.01" 2.2.20.PortMappingDescription :
Overwriting Previous / Existing Port Mappings:
If the RemoteHost, ExternalPort, PortMappingProtocol and InternalClient are
exactly the same as an existing mapping, the existing mapping values for InternalPort,
PortMappingDescription, PortMappingEnabled and PortMappingLeaseDuration are
overwritten.
*/
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;
if (!int_ip || !ext_port || !int_port)
{
ClearNameValueList(&data);
SoapError(h, 402, "Invalid Args");
return;
}
eport = (unsigned short)atoi(ext_port);
iport = (unsigned short)atoi(int_port);
#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");
#ifdef UPNP_STRICT
if(!ext_port || !protocol || !r_host)
#else
if(!ext_port || !protocol)
#endif
{
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 ? r_host : "NULL", 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");
#ifdef UPNP_STRICT
if(!ext_port || !protocol || !r_host)
#else
if(!ext_port || !protocol)
#endif
{
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;
const char * startport_s, * endport_s;
unsigned short startport, endport;
/*int manage;*/
unsigned short * port_list;
unsigned int i, number = 0;
UNUSED(action);
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
startport_s = GetValueFromNameValueList(&data, "NewStartPort");
endport_s = GetValueFromNameValueList(&data, "NewEndPort");
protocol = GetValueFromNameValueList(&data, "NewProtocol");
/*manage = atoi(GetValueFromNameValueList(&data, "NewManage"));*/
if(startport_s == NULL || endport_s == NULL || protocol == NULL) {
SoapError(h, 402, "Invalid Args");
ClearNameValueList(&data);
return;
}
startport = (unsigned short)atoi(startport_s);
endport = (unsigned short)atoi(endport_s);
/* 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>";
long int index = 0;
unsigned short eport, iport;
const char * m_index;
char * endptr;
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;
}
errno = 0; /* To distinguish success/failure after call */
index = strtol(m_index, &endptr, 10);
if((errno == ERANGE && (index == LONG_MAX || index == LONG_MIN))
|| (errno != 0 && index == 0) || (m_index == endptr))
{
/* should condition (*endptr != '\0') be also an error ? */
if(m_index == endptr)
syslog(LOG_WARNING, "%s: no digits were found in <%s>",
"GetGenericPortMappingEntry", "NewPortMappingIndex");
else
syslog(LOG_WARNING, "%s: strtol('%s'): %m",
"GetGenericPortMappingEntry", m_index);
ClearNameValueList(&data);
SoapError(h, 402, "Invalid Args");
return;
}
syslog(LOG_INFO, "%s: index=%d", action, (int)index);
rhost[0] = '\0';
r = upnp_get_redirection_infos_by_index((int)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;
const char * startport_s, * endport_s;
unsigned short startport, endport;
const char * protocol;
/*int manage;*/
const char * number_s;
int number;
unsigned short * port_list;
unsigned int i, list_size = 0;
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
startport_s = GetValueFromNameValueList(&data, "NewStartPort");
endport_s = GetValueFromNameValueList(&data, "NewEndPort");
protocol = GetValueFromNameValueList(&data, "NewProtocol");
/*manage_s = GetValueFromNameValueList(&data, "NewManage");*/
number_s = GetValueFromNameValueList(&data, "NewNumberOfPorts");
if(startport_s == NULL || endport_s == NULL || protocol == NULL ||
number_s == NULL) {
SoapError(h, 402, "Invalid Args");
ClearNameValueList(&data);
return;
}
startport = (unsigned short)atoi(startport_s);
endport = (unsigned short)atoi(endport_s);
/*manage = atoi(manage_s);*/
number = atoi(number_s);
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);
if(bodylen < 0)
{
SoapError(h, 501, "ActionFailed");
free(body);
return;
}
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((unsigned int)bodylen + 1024 > bodyalloc)
{
char * body_sav = body;
bodyalloc += 4096;
body = realloc(body, bodyalloc);
if(!body)
{
ClearNameValueList(&data);
SoapError(h, 501, "ActionFailed");
free(body_sav);