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UpnpMicroStack.c
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UpnpMicroStack.c
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/*****************************************************************************
* Copyright (C) 2012- Brad Love : b-rad at next dimension dot cc
* Next Dimension Innovations : http://nextdimension.cc
* http://b-rad.cc
* Copyright 2006 - 2011 Intel Corporation
*
* This file is part of TV-Now
* TV-Now is an Open Source DLNA Media Server. TV-Now's purpose is
* to serve Live TV (and recorded content) over the local network
* to televisions, computers, media players, tablets, and consoles.
* TV-Now delivers EPG data in the DLNA container for compatible
* clients and also offers an html5+jquery tv player with full EPG.
* TV-Now uses the libdvbtee library as its backend.
*
* TV-Now is compatible with:
* - ATSC
* - Clear QAM
* - DVB-T
*
* TV-Now is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Note: All additional terms from Section 7 of GPLv3 apply to this software.
* This includes requiring preservation of specified reasonable legal
* notices or author attributions in the material or in the Appropriate
* Legal Notices displayed by this software.
*
* You should have received a copy of the GNU General Public License v3
* along with TV-Now. If not, see <http://www.gnu.org/licenses/>.
*
* An Apache 2.0 licensed version of this software is privately maintained
* for licensing to interested commercial parties. Apache 2.0 license is
* compatible with the GPLv3, which allows the Apache 2.0 version to be
* included in proprietary systems, while keeping the public GPLv3 version
* completely open source. GPLv3 can NOT be re-licensed as Apache 2.0, since
* Apache 2.0 license is only a subset of GPLv3. To inquire about licensing
* the commercial version of TV-Now contact: tv-now at nextdimension dot cc
*
* Note about contributions and patch submissions:
* The commercial Apache 2.0 version of TV-Now is used as the master.
* The GPLv3 version of TV-Now will be identical to the Apache 2.0 version.
* All contributions and patches are licensed under Apache 2.0
* By submitting a patch you implicitly agree to
* http://www.apache.org/licenses/icla.txt
* You retain ownership and when merged the license will be upgraded to GPLv3.
*
*****************************************************************************/
#define ILIBCRITICALEXIT(i) do { printf("%s() Line %d BAD!\n", __func__, 3651); exit(254); } while(0);
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <netdb.h>
#include <string.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <sys/utsname.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <semaphore.h>
#include <time.h>
#include "ILibParsers.h"
#include "UpnpMicroStack.h"
#include "ILibWebServer.h"
#include "ILibWebClient.h"
#include "ILibAsyncSocket.h"
#include "PortingFunctions.h"
#include "version.h"
#define UPNP_HTTP_MAXSOCKETS 64
#define MAX_UPNP_SUBSCRIBERS 100
#define UPNP_PORT 1900
#define UPNP_GROUP "239.255.255.250"
#define UpnpMIN(a,b) (((a)<(b))?(a):(b))
#define LVL3DEBUG(x)
struct UpnpDataObject;
struct SubscriberInfo
{
char* SID;
int SIDLength;
int SEQ;
int Address;
unsigned short Port;
char* Path;
int PathLength;
int RefCount;
int Disposing;
struct timeval RenewByTime;
struct SubscriberInfo *Next;
struct SubscriberInfo *Previous;
};
struct SubscriberContainer
{
struct SubscriberInfo* subscriber;
int Disposing;
};
struct UpnpDataObject
{
void (*PreSelect)(void* object,fd_set *readset, fd_set *writeset, fd_set *errorset, int* blocktime);
void (*PostSelect)(void* object,int slct, fd_set *readset, fd_set *writeset, fd_set *errorset);
void (*Destroy)(void* object);
void *EventClient;
void *Chain;
int UpdateFlag;
/* Network Poll */
unsigned int NetworkPollTime;
int ForceExit;
char *UUID;
char *UDN;
char *Serial;
void *WebServerTimer;
void *HTTPServer;
char *DeviceDescription;
int DeviceDescriptionLength;
int InitialNotify;
char* ConnectionManager_SourceProtocolInfo;
char* ConnectionManager_SinkProtocolInfo;
char* ConnectionManager_CurrentConnectionIDs;
char* ContentDirectory_SystemUpdateID;
struct sockaddr_in addr;
int addrlen;
int MSEARCH_sock;
struct ip_mreq mreq;
char message[4096];
int *AddressList;
int AddressListLength;
int _NumEmbeddedDevices;
int WebSocketPortNumber;
int *NOTIFY_SEND_socks;
int NOTIFY_RECEIVE_sock;
int SID;
struct timeval CurrentTime;
int NotifyCycleTime;
struct timeval NotifyTime;
sem_t EventLock;
struct SubscriberInfo *HeadSubscriberPtr_ConnectionManager;
int NumberOfSubscribers_ConnectionManager;
struct SubscriberInfo *HeadSubscriberPtr_ContentDirectory;
int NumberOfSubscribers_ContentDirectory;
};
struct MSEARCH_state
{
char *ST;
int STLength;
void *upnp;
struct sockaddr_in dest_addr;
};
#define UPNP_XML_LOCATION "./%s"
#define XML_GET_TEMPLATE "HTTP/1.1 200 OK\r\nEXT:\r\nContent-Type: text/xml; charset=\"utf-8\"\r\nCache-Control: no-cache\r\nPragma: no-cache\r\n%sServer: POSIX, UPnP/1.0, NDi TV-Now/"TV_NOW_VERSION"\r\nConnection: close\r\nAccept-Ranges: bytes\r\nDate: %s\r\nContent-Length: %d\r\n\r\n%s"
//#define XML_GET_TEMPLATE "HTTP/1.1 200 OK\r\nCONTENT-TYPE: text/xml; charset=\"utf-8\"\r\nServer: POSIX, UPnP/1.0, NDi TV-Now/"TV_NOW_VERSION"\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n"
void getRFC1123(char* result)
{
char daysofweek[7][4] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
char months[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
if (result == NULL) return;
time_t t = time(NULL);
struct tm lt = *gmtime(&t);
sprintf(result, "%s, %02d %s %d %02d:%02d:%02d GMT",
daysofweek[lt.tm_wday],
lt.tm_mday, months[lt.tm_mon], lt.tm_year + 1900,
lt.tm_hour, lt.tm_min, lt.tm_sec);
return;
}
void SendXML(struct ILibWebServer_Session *session, struct packetheader* header, char* location)
{
char file_location[128];
char *file_contents, *buffer;
char dateString[64] = { 0 };
sprintf(file_location, UPNP_XML_LOCATION, location);
int len = file_get_contents(file_location, &file_contents);
if (len >= 0) {
getRFC1123(&dateString[0]);
char* langHeader = ILibGetHeaderLine(header, "ACCEPT-LANGUAGE", 15);
if (langHeader == NULL)
{
buffer = (char*)malloc(strlen(XML_GET_TEMPLATE) + len + 3 + 64);
len = snprintf(buffer, strlen(XML_GET_TEMPLATE) + len + 3 + 64, XML_GET_TEMPLATE, "", dateString, len, file_contents);
}
else
{
buffer = (char*)malloc(strlen(XML_GET_TEMPLATE) + len + 3 + 23 + 64);
len = snprintf(buffer, strlen(XML_GET_TEMPLATE) + len + 3 + 23 + 64, XML_GET_TEMPLATE, "Content-Language: en\r\n", dateString, len, file_contents);
}
ILibWebServer_Send_Raw(session, buffer, len, 0, 1);
free(file_contents);
}
}
/* Pre-declarations */
void UpnpSendNotify(const struct UpnpDataObject *upnp);
void UpnpSendByeBye();
void UpnpMainInvokeSwitch();
void UpnpSendDataXmlEscaped(const void* UPnPToken, const char* Data, const int DataLength, const int Terminate);
void UpnpSendData(const void* UPnPToken, const char* Data, const int DataLength, const int Terminate);
int UpnpPeriodicNotify(struct UpnpDataObject *upnp);
void UpnpSendEvent_Body(void *upnptoken, char *body, int bodylength, struct SubscriberInfo *info);
void* UpnpGetWebServerToken(const void *MicroStackToken)
{
return(((struct UpnpDataObject*)MicroStackToken)->HTTPServer);
}
#define UpnpBuildSsdpResponsePacket(outpacket,outlenght,ipaddr,port,EmbeddedDeviceNumber,USN,USNex,ST,NTex,NotifyTime)\
{\
*outlenght = sprintf(outpacket,"HTTP/1.1 200 OK\r\nLOCATION: http://%d.%d.%d.%d:%d/\r\nEXT:\r\nSERVER: POSIX, UPnP/1.0, NDi TV-Now/"TV_NOW_VERSION"\r\nUSN: uuid:%s%s\r\nCACHE-CONTROL: max-age=%d\r\nST: %s%s\r\n\r\n" ,(ipaddr&0xFF),((ipaddr>>8)&0xFF),((ipaddr>>16)&0xFF),((ipaddr>>24)&0xFF),port,USN,USNex,NotifyTime,ST,NTex);\
}
#define UpnpBuildSsdpNotifyPacket(outpacket,outlenght,ipaddr,port,EmbeddedDeviceNumber,USN,USNex,NT,NTex,NotifyTime)\
{\
*outlenght = sprintf(outpacket,"NOTIFY * HTTP/1.1\r\nLOCATION: http://%d.%d.%d.%d:%d/\r\nHOST: 239.255.255.250:1900\r\nSERVER: POSIX, UPnP/1.0, NDi TV-Now/"TV_NOW_VERSION"\r\nNTS: ssdp:alive\r\nUSN: uuid:%s%s\r\nCACHE-CONTROL: max-age=%d\r\nNT: %s%s\r\n\r\n",(ipaddr&0xFF),((ipaddr>>8)&0xFF),((ipaddr>>16)&0xFF),((ipaddr>>24)&0xFF),port,USN,USNex,NotifyTime,NT,NTex);\
}
void UpnpAsyncResponse_START(const void* UPnPToken, const char* actionName, const char* serviceUrnWithVersion)
{
char* RESPONSE_HEADER = "\r\nEXT:\r\nCONTENT-TYPE: text/xml\r\nSERVER: POSIX, UPnP/1.0, NDi TV-Now/"TV_NOW_VERSION;
char* RESPONSE_BODY = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<s:Envelope s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\" xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">\r\n<s:Body>\r\n<u:%sResponse xmlns:u=\"%s\">";
struct ILibWebServer_Session *session = (struct ILibWebServer_Session*)UPnPToken;
int headSize = (int)strlen(RESPONSE_BODY) + (int)strlen(actionName) + (int)strlen(serviceUrnWithVersion) + 1;
char* head = (char*) malloc (headSize);
int headLength = sprintf(head, RESPONSE_BODY, actionName, serviceUrnWithVersion);
ILibWebServer_StreamHeader_Raw(session,200,"OK",RESPONSE_HEADER,1);
ILibWebServer_StreamBody(session,head,headLength,0,0);
}
void UpnpAsyncResponse_DONE(const void* UPnPToken, const char* actionName)
{
char* RESPONSE_FOOTER = "</u:%sResponse>\r\n </s:Body>\r\n</s:Envelope>";
int footSize = (int)strlen(RESPONSE_FOOTER) + (int)strlen(actionName);
char* footer = (char*) malloc(footSize);
struct ILibWebServer_Session *session = (struct ILibWebServer_Session*)UPnPToken;
int footLength = sprintf(footer, RESPONSE_FOOTER, actionName);
ILibWebServer_StreamBody(session,footer,footLength,0,1);
}
void UpnpAsyncResponse_OUT(const void* UPnPToken, const char* outArgName, const char* bytes, const int byteLength, const int startArg, const int endArg)
{
struct ILibWebServer_Session *session = (struct ILibWebServer_Session*)UPnPToken;
if (startArg != 0)
{
ILibWebServer_StreamBody(session,"<",1,1,0);
ILibWebServer_StreamBody(session,(char*)outArgName,(int)strlen(outArgName),1,0);
ILibWebServer_StreamBody(session,">",1,1,0);
}
if(byteLength>0)
{
ILibWebServer_StreamBody(session,(char*)bytes,byteLength,1,0);
}
if (endArg != 0)
{
ILibWebServer_StreamBody(session,"</",2,1,0);
ILibWebServer_StreamBody(session,(char*)outArgName,(int)strlen(outArgName),1,0);
ILibWebServer_StreamBody(session,">\r\n",3,1,0);
}
}
void UpnpIPAddressListChanged(void *MicroStackToken)
{
((struct UpnpDataObject*)MicroStackToken)->UpdateFlag = 1;
ILibForceUnBlockChain(((struct UpnpDataObject*)MicroStackToken)->Chain);
}
void UpnpInit(struct UpnpDataObject *state,const int NotifyCycleSeconds,const unsigned short PortNumber)
{
int ra = 1;
int i;
struct sockaddr_in addr;
struct ip_mreq mreq;
unsigned char TTL = 4;
/* Complete State Reset */
memset(state,0,sizeof(struct UpnpDataObject));
/* Setup Notification Timer */
state->NotifyCycleTime = NotifyCycleSeconds;
gettimeofday(&(state->CurrentTime),NULL);
(state->NotifyTime).tv_sec = (state->CurrentTime).tv_sec + (state->NotifyCycleTime/2);
memset((char *)&(state->addr), 0, sizeof(state->addr));
state->addr.sin_family = AF_INET;
state->addr.sin_addr.s_addr = htonl(INADDR_ANY);
state->addr.sin_port = (unsigned short)htons(UPNP_PORT);
state->addrlen = sizeof(state->addr);
/* Set up socket */
state->AddressListLength = ILibGetLocalIPAddressList(&(state->AddressList));
state->NOTIFY_SEND_socks = (int*)MALLOC(sizeof(int)*(state->AddressListLength));
state->NOTIFY_RECEIVE_sock = socket(AF_INET, SOCK_DGRAM, 0);
memset((char *)&(addr), 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = (unsigned short)htons(UPNP_PORT);
if (setsockopt(state->NOTIFY_RECEIVE_sock, SOL_SOCKET, SO_REUSEADDR,(char*)&ra, sizeof(ra)) < 0)
{
printf("Setting SockOpt SO_REUSEADDR failed\r\n");
exit(1);
}
if (bind(state->NOTIFY_RECEIVE_sock, (struct sockaddr *) &(addr), sizeof(addr)) < 0)
{
printf("Could not bind to UPnP Listen Port\r\n");
exit(1);
}
for(i=0;i<state->AddressListLength;++i)
{
state->NOTIFY_SEND_socks[i] = socket(AF_INET, SOCK_DGRAM, 0);
memset((char *)&(addr), 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = state->AddressList[i];
addr.sin_port = (unsigned short)htons(UPNP_PORT);
if (setsockopt(state->NOTIFY_SEND_socks[i], SOL_SOCKET, SO_REUSEADDR,(char*)&ra, sizeof(ra)) == 0)
{
if (setsockopt(state->NOTIFY_SEND_socks[i], IPPROTO_IP, IP_MULTICAST_TTL,(char*)&TTL, sizeof(TTL)) < 0)
{
/* Ignore this case */
}
if (bind(state->NOTIFY_SEND_socks[i], (struct sockaddr *) &(addr), sizeof(addr)) == 0)
{
mreq.imr_multiaddr.s_addr = inet_addr(UPNP_GROUP);
mreq.imr_interface.s_addr = state->AddressList[i];
if (setsockopt(state->NOTIFY_RECEIVE_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,(char*)&mreq, sizeof(mreq)) < 0)
{
/* Does not matter */
}
}
}
}
}
void UpnpPostMX_Destroy(void *object)
{
struct MSEARCH_state *mss = (struct MSEARCH_state*)object;
FREE(mss->ST);
FREE(mss);
}
void UpnpPostMX_MSEARCH(void *object)
{
struct MSEARCH_state *mss = (struct MSEARCH_state*)object;
char *b = (char*)MALLOC(sizeof(char)*5000);
int packetlength;
struct sockaddr_in response_addr;
int response_addrlen;
int *response_socket;
int cnt;
int i;
struct sockaddr_in dest_addr = mss->dest_addr;
char *ST = mss->ST;
int STLength = mss->STLength;
struct UpnpDataObject *upnp = (struct UpnpDataObject*)mss->upnp;
response_socket = (int*)MALLOC(upnp->AddressListLength*sizeof(int));
for(i=0;i<upnp->AddressListLength;++i)
{
response_socket[i] = socket(AF_INET, SOCK_DGRAM, 0);
if (response_socket[i]< 0)
{
printf("response socket");
exit(1);
}
memset((char *)&(response_addr), 0, sizeof(response_addr));
response_addr.sin_family = AF_INET;
response_addr.sin_addr.s_addr = upnp->AddressList[i];
response_addr.sin_port = (unsigned short)htons(0);
response_addrlen = sizeof(response_addr);
if (bind(response_socket[i], (struct sockaddr *) &(response_addr), sizeof(response_addr)) < 0)
{
/* Ignore if this happens */
}
}
if(STLength==15 && memcmp(ST,"upnp:rootdevice",15)==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::upnp:rootdevice","upnp:rootdevice","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
else if(STLength==8 && memcmp(ST,"ssdp:all",8)==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::upnp:rootdevice","upnp:rootdevice","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"",upnp->UUID,"",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:device:MediaServer:1","urn:schemas-upnp-org:device:MediaServer:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:service:ContentDirectory:1","urn:schemas-upnp-org:service:ContentDirectory:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:service:ConnectionManager:1","urn:schemas-upnp-org:service:ConnectionManager:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
if(STLength==(int)strlen(upnp->UUID) && memcmp(ST,upnp->UUID,(int)strlen(upnp->UUID))==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"",upnp->UUID,"",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
if(STLength>=41 && memcmp(ST,"urn:schemas-upnp-org:device:MediaServer:1",41)==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:device:MediaServer:1","urn:schemas-upnp-org:device:MediaServer:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
if(STLength>=47 && memcmp(ST,"urn:schemas-upnp-org:service:ContentDirectory:1",47)==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:service:ContentDirectory:1","urn:schemas-upnp-org:service:ContentDirectory:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
if(STLength>=48 && memcmp(ST,"urn:schemas-upnp-org:service:ConnectionManager:1",48)==0)
{
for(i=0;i<upnp->AddressListLength;++i)
{
UpnpBuildSsdpResponsePacket(b,&packetlength,upnp->AddressList[i],(unsigned short)upnp->WebSocketPortNumber,0,upnp->UDN,"::urn:schemas-upnp-org:service:ConnectionManager:1","urn:schemas-upnp-org:service:ConnectionManager:1","",upnp->NotifyCycleTime);
cnt = sendto(response_socket[i], b, packetlength, 0,
(struct sockaddr *) &dest_addr, sizeof(dest_addr));
}
}
for(i=0;i<upnp->AddressListLength;++i)
{
close(response_socket[i]);
}
FREE(response_socket);
FREE(mss->ST);
FREE(mss);
FREE(b);
}
void UpnpProcessMSEARCH(struct UpnpDataObject *upnp, struct packetheader *packet)
{
char* ST = NULL;
int STLength = 0;
struct packetheader_field_node *node;
int MANOK = 0;
unsigned long MXVal;
int MXOK = 0;
int MX;
struct MSEARCH_state *mss = NULL;
if(memcmp(packet->DirectiveObj,"*",1)==0)
{
if(memcmp(packet->Version,"1.1",3)==0)
{
node = packet->FirstField;
while(node!=NULL)
{
if(strncasecmp(node->Field,"ST",2)==0)
{
ST = (char*)MALLOC(1+node->FieldDataLength);
memcpy(ST,node->FieldData,node->FieldDataLength);
ST[node->FieldDataLength] = 0;
STLength = node->FieldDataLength;
}
else if(strncasecmp(node->Field,"MAN",3)==0 && memcmp(node->FieldData,"\"ssdp:discover\"",15)==0)
{
MANOK = 1;
}
else if(strncasecmp(node->Field,"MX",2)==0 && ILibGetULong(node->FieldData,node->FieldDataLength,&MXVal)==0)
{
MXOK = 1;
MXVal = MXVal>10?10:MXVal;
}
node = node->NextField;
}
if(MANOK!=0 && MXOK!=0)
{
MX = (int)(0 + ((unsigned short)rand() % MXVal));
mss = (struct MSEARCH_state*)MALLOC(sizeof(struct MSEARCH_state));
mss->ST = ST;
mss->STLength = STLength;
mss->upnp = upnp;
memset((char *)&(mss->dest_addr), 0, sizeof(mss->dest_addr));
mss->dest_addr.sin_family = AF_INET;
mss->dest_addr.sin_addr = packet->Source->sin_addr;
mss->dest_addr.sin_port = packet->Source->sin_port;
ILibLifeTime_Add(upnp->WebServerTimer,mss,MX,&UpnpPostMX_MSEARCH,&UpnpPostMX_Destroy);
}
else
{
FREE(ST);
}
}
}
}
void UpnpDispatch_ConnectionManager_GetCurrentConnectionInfo(struct parser_result *xml, struct ILibWebServer_Session *ReaderObject)
{
struct parser_result *temp;
struct parser_result *temp2;
struct parser_result *temp3;
struct parser_result_field *field;
char *VarName;
int VarNameLength;
int i;
long TempLong;
int OK = 0;
char *p_ConnectionID = NULL;
int p_ConnectionIDLength = 0;
int _ConnectionID = 0;
field = xml->FirstResult;
if (field->data == NULL || field->datalength == 0)
{
UpnpResponse_Error(ReaderObject, 501, "Invalid XML");
return;
}
while(field!=NULL)
{
if((memcmp(field->data,"?",1)!=0) && (memcmp(field->data,"/",1)!=0))
{
temp = ILibParseString(field->data,0,field->datalength," ",1);
temp2 = ILibParseString(temp->FirstResult->data,0,temp->FirstResult->datalength,":",1);
if(temp2->NumResults==1)
{
VarName = temp2->FirstResult->data;
VarNameLength = temp2->FirstResult->datalength;
}
else
{
temp3 = ILibParseString(temp2->FirstResult->data,0,temp2->FirstResult->datalength,">",1);
if(temp3->NumResults==1)
{
VarName = temp2->FirstResult->NextResult->data;
VarNameLength = temp2->FirstResult->NextResult->datalength;
}
else
{
VarName = temp2->FirstResult->data;
VarNameLength = temp2->FirstResult->datalength;
}
ILibDestructParserResults(temp3);
}
for(i=0;i<VarNameLength;++i)
{
if( i!=0 && ((VarName[i]==' ')||(VarName[i]=='/')||(VarName[i]=='>')) )
{
VarNameLength = i;
break;
}
}
if(VarNameLength==12 && memcmp(VarName,"ConnectionID",12) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_ConnectionID = temp3->LastResult->data;
p_ConnectionIDLength = temp3->LastResult->datalength;
}
OK |= 1;
ILibDestructParserResults(temp3);
}
ILibDestructParserResults(temp2);
ILibDestructParserResults(temp);
}
field = field->NextResult;
}
if (OK != 1)
{
UpnpResponse_Error(ReaderObject,402,"Incorrect Arguments");
return;
}
/* Type Checking */
OK = ILibGetLong(p_ConnectionID,p_ConnectionIDLength, &TempLong);
if(OK!=0)
{
UpnpResponse_Error(ReaderObject,402,"Argument[ConnectionID] illegal value");
return;
}
_ConnectionID = (int)TempLong;
UpnpConnectionManager_GetCurrentConnectionInfo((void*)ReaderObject,_ConnectionID);
}
#define UpnpDispatch_ConnectionManager_GetProtocolInfo(xml, session)\
{\
UpnpConnectionManager_GetProtocolInfo((void*)session);\
}
#define UpnpDispatch_ConnectionManager_GetCurrentConnectionIDs(xml, session)\
{\
UpnpConnectionManager_GetCurrentConnectionIDs((void*)session);\
}
void UpnpDispatch_ContentDirectory_Browse(struct parser_result *xml, struct ILibWebServer_Session *ReaderObject)
{
struct parser_result *temp;
struct parser_result *temp2;
struct parser_result *temp3;
struct parser_result_field *field;
char *VarName;
int VarNameLength;
int i;
unsigned long TempULong;
int OK = 0;
char *p_ObjectID = NULL;
int p_ObjectIDLength = 0;
char* _ObjectID = "";
int _ObjectIDLength;
char *p_BrowseFlag = NULL;
int p_BrowseFlagLength = 0;
char* _BrowseFlag = "";
int _BrowseFlagLength;
char *p_Filter = NULL;
int p_FilterLength = 0;
char* _Filter = "";
int _FilterLength;
char *p_StartingIndex = NULL;
int p_StartingIndexLength = 0;
unsigned int _StartingIndex = 0;
char *p_RequestedCount = NULL;
int p_RequestedCountLength = 0;
unsigned int _RequestedCount = 0;
char *p_SortCriteria = NULL;
int p_SortCriteriaLength = 0;
char* _SortCriteria = "";
int _SortCriteriaLength;
field = xml->FirstResult;
/*
if (field->data == NULL || field->datalength == 0)
{
UpnpResponse_Error(ReaderObject, 501, "Invalid XML");
return;
}
*/
while(field!=NULL)
{
if((memcmp(field->data,"?",1)!=0) && (memcmp(field->data,"/",1)!=0))
{
temp = ILibParseString(field->data,0,field->datalength," ",1);
temp2 = ILibParseString(temp->FirstResult->data,0,temp->FirstResult->datalength,":",1);
if(temp2->NumResults==1)
{
VarName = temp2->FirstResult->data;
VarNameLength = temp2->FirstResult->datalength;
}
else
{
temp3 = ILibParseString(temp2->FirstResult->data,0,temp2->FirstResult->datalength,">",1);
if(temp3->NumResults==1)
{
VarName = temp2->FirstResult->NextResult->data;
VarNameLength = temp2->FirstResult->NextResult->datalength;
}
else
{
VarName = temp2->FirstResult->data;
VarNameLength = temp2->FirstResult->datalength;
}
ILibDestructParserResults(temp3);
}
for(i=0;i<VarNameLength;++i)
{
if( i!=0 && ((VarName[i]==' ')||(VarName[i]=='/')||(VarName[i]=='>')) )
{
VarNameLength = i;
break;
}
}
if(VarNameLength==8 && memcmp(VarName,"ObjectID",8) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_ObjectID = temp3->LastResult->data;
p_ObjectIDLength = temp3->LastResult->datalength;
p_ObjectID[p_ObjectIDLength] = 0;
}
else
{
p_ObjectID = temp3->LastResult->data;
p_ObjectIDLength = 0;
p_ObjectID[p_ObjectIDLength] = 0;
}
OK |= 1;
ILibDestructParserResults(temp3);
}
else if(VarNameLength==10 && memcmp(VarName,"BrowseFlag",10) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_BrowseFlag = temp3->LastResult->data;
p_BrowseFlagLength = temp3->LastResult->datalength;
p_BrowseFlag[p_BrowseFlagLength] = 0;
}
else
{
p_BrowseFlag = temp3->LastResult->data;
p_BrowseFlagLength = 0;
p_BrowseFlag[p_BrowseFlagLength] = 0;
}
OK |= 2;
ILibDestructParserResults(temp3);
}
else if(VarNameLength==6 && memcmp(VarName,"Filter",6) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_Filter = temp3->LastResult->data;
p_FilterLength = temp3->LastResult->datalength;
p_Filter[p_FilterLength] = 0;
}
else
{
p_Filter = temp3->LastResult->data;
p_FilterLength = 0;
p_Filter[p_FilterLength] = 0;
}
OK |= 4;
ILibDestructParserResults(temp3);
}
else if(VarNameLength==13 && memcmp(VarName,"StartingIndex",13) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_StartingIndex = temp3->LastResult->data;
p_StartingIndexLength = temp3->LastResult->datalength;
}
OK |= 8;
ILibDestructParserResults(temp3);
}
else if(VarNameLength==14 && memcmp(VarName,"RequestedCount",14) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_RequestedCount = temp3->LastResult->data;
p_RequestedCountLength = temp3->LastResult->datalength;
}
OK |= 16;
ILibDestructParserResults(temp3);
}
else if(VarNameLength==12 && memcmp(VarName,"SortCriteria",12) == 0)
{
temp3 = ILibParseString(field->data,0,field->datalength,">",1);
if(memcmp(temp3->FirstResult->data+temp3->FirstResult->datalength-1,"/",1) != 0)
{
p_SortCriteria = temp3->LastResult->data;
p_SortCriteriaLength = temp3->LastResult->datalength;
p_SortCriteria[p_SortCriteriaLength] = 0;
}
else
{
p_SortCriteria = temp3->LastResult->data;
p_SortCriteriaLength = 0;
p_SortCriteria[p_SortCriteriaLength] = 0;
}
OK |= 32;
ILibDestructParserResults(temp3);
}
ILibDestructParserResults(temp2);
ILibDestructParserResults(temp);
}
field = field->NextResult;
}
if (OK != 63)
{
UpnpResponse_Error(ReaderObject,402,"Incorrect Arguments");
return;
}
/* Type Checking */
_ObjectIDLength = ILibInPlaceXmlUnEscape(p_ObjectID);
_ObjectID = p_ObjectID;
_BrowseFlagLength = ILibInPlaceXmlUnEscape(p_BrowseFlag);
_BrowseFlag = p_BrowseFlag;
if(memcmp(_BrowseFlag, "BrowseMetadata\0",15) != 0
&& memcmp(_BrowseFlag, "BrowseDirectChildren\0",21) != 0
)
{
UpnpResponse_Error(ReaderObject,402,"Argument[BrowseFlag] contains a value that is not in AllowedValueList");
return;
}
_FilterLength = ILibInPlaceXmlUnEscape(p_Filter);
_Filter = p_Filter;
OK = ILibGetULong(p_StartingIndex,p_StartingIndexLength, &TempULong);
if(OK!=0)
{
UpnpResponse_Error(ReaderObject,402,"Argument[StartingIndex] illegal value");
return;
}
_StartingIndex = (unsigned int)TempULong;
OK = ILibGetULong(p_RequestedCount,p_RequestedCountLength, &TempULong);
if(OK!=0)
{
UpnpResponse_Error(ReaderObject,402,"Argument[RequestedCount] illegal value");
return;
}
_RequestedCount = (unsigned int)TempULong;
_SortCriteriaLength = ILibInPlaceXmlUnEscape(p_SortCriteria);
_SortCriteria = p_SortCriteria;
UpnpContentDirectory_Browse((void*)ReaderObject,_ObjectID,_BrowseFlag,_Filter,_StartingIndex,_RequestedCount,_SortCriteria);
}
#define UpnpDispatch_ContentDirectory_GetSortCapabilities(xml, session)\
{\
UpnpContentDirectory_GetSortCapabilities((void*)session);\
}
#define UpnpDispatch_ContentDirectory_GetSystemUpdateID(xml, session)\
{\
UpnpContentDirectory_GetSystemUpdateID((void*)session);\
}
#define UpnpDispatch_ContentDirectory_GetSearchCapabilities(xml, session)\
{\
UpnpContentDirectory_GetSearchCapabilities((void*)session);\
}
void UpnpProcessPOST(struct ILibWebServer_Session *session, struct packetheader* header, char *bodyBuffer, int offset, int bodyBufferLength)
{
struct packetheader_field_node *f = header->FirstField;
char* HOST;
char* SOAPACTION = NULL;
int SOAPACTIONLength = 0;
struct parser_result *r;
struct parser_result *xml;
xml = ILibParseString(bodyBuffer,offset,bodyBufferLength,"<",1);
while(f!=NULL)
{
if(f->FieldLength==4 && strncasecmp(f->Field,"HOST",4)==0)
{
HOST = f->FieldData;
}
else if(f->FieldLength==10 && strncasecmp(f->Field,"SOAPACTION",10)==0)
{
r = ILibParseString(f->FieldData,0,f->FieldDataLength,"#",1);
SOAPACTION = r->LastResult->data;
SOAPACTIONLength = r->LastResult->datalength-1;
ILibDestructParserResults(r);
}
f = f->NextField;
}
if(header->DirectiveObjLength==25 && memcmp((header->DirectiveObj)+1,"ContentDirectory/control",24)==0)
{
if(SOAPACTIONLength==6 && memcmp(SOAPACTION,"Browse",6)==0)
{
UpnpDispatch_ContentDirectory_Browse(xml, session);
}
else if(SOAPACTIONLength==19 && memcmp(SOAPACTION,"GetSortCapabilities",19)==0)
{
UpnpDispatch_ContentDirectory_GetSortCapabilities(xml, session);
}
else if(SOAPACTIONLength==17 && memcmp(SOAPACTION,"GetSystemUpdateID",17)==0)
{
UpnpDispatch_ContentDirectory_GetSystemUpdateID(xml, session);
}
else if(SOAPACTIONLength==21 && memcmp(SOAPACTION,"GetSearchCapabilities",21)==0)
{
UpnpDispatch_ContentDirectory_GetSearchCapabilities(xml, session);
}
}
else if(header->DirectiveObjLength==26 && memcmp((header->DirectiveObj)+1,"ConnectionManager/control",25)==0)
{
if(SOAPACTIONLength==24 && memcmp(SOAPACTION,"GetCurrentConnectionInfo",24)==0)
{
UpnpDispatch_ConnectionManager_GetCurrentConnectionInfo(xml, session);
}
else if(SOAPACTIONLength==15 && memcmp(SOAPACTION,"GetProtocolInfo",15)==0)
{
UpnpDispatch_ConnectionManager_GetProtocolInfo(xml, session);
}
else if(SOAPACTIONLength==23 && memcmp(SOAPACTION,"GetCurrentConnectionIDs",23)==0)
{
UpnpDispatch_ConnectionManager_GetCurrentConnectionIDs(xml, session);
}
}
ILibDestructParserResults(xml);
}
struct SubscriberInfo* UpnpRemoveSubscriberInfo(struct SubscriberInfo **Head, int *TotalSubscribers,char* SID, int SIDLength)
{
struct SubscriberInfo *info = *Head;
struct SubscriberInfo **ptr = Head;
if (*TotalSubscribers <=0 || *TotalSubscribers > MAX_UPNP_SUBSCRIBERS || SIDLength <= 0 || SIDLength > 64)
{
dprintf(1, "BAD DATA--ignoring\n");
return info;
}
while(info!=NULL)
{
if(info->SIDLength==SIDLength && memcmp(info->SID,SID,SIDLength)==0)
{
*ptr = info->Next;
if(info->Next!=NULL)
{
(*ptr)->Previous = info->Previous;
if((*ptr)->Previous!=NULL)
{
(*ptr)->Previous->Next = info->Next;
if((*ptr)->Previous->Next!=NULL)
{
(*ptr)->Previous->Next->Previous = (*ptr)->Previous;
}
}
}
dprintf(1, "%s( %p:%d ) Line %d\n", __func__, info, info->RefCount, __LINE__);
break;
}
ptr = &(info->Next);
info = info->Next;
}
if(info!=NULL)
{
info->Previous = NULL;
info->Next = NULL;
--(*TotalSubscribers);
}
return(info);
}
static inline void UpnpDestructSubscriberInfo(struct SubscriberInfo* info)
{
dprintf(1, "%s( %p:%d ) Line %d\n", __func__, info, info->RefCount, __LINE__);
/* TODO: this is memory leak
* Address this issue to fix random segfault due to premature destruction
*/
// return;
if (info->Path) free(info->Path);
if (info->SID) free(info->SID);
memset(info, 0, sizeof(struct SubscriberInfo));
info->RefCount = -1;
free(info);
}
#define UpnpDestructEventObject(EvObject)\
{\
FREE(EvObject->PacketBody);\
FREE(EvObject);\
}
#define UpnpDestructEventDataObject(EvData)\
{\
FREE(EvData);\
}