524 lines
14 KiB
C
524 lines
14 KiB
C
#ifndef SSDPLIB_H
|
|
#define SSDPLIB_H
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Copyright (c) 2000-2003 Intel Corporation
|
|
* All rights reserved.
|
|
* Copyright (C) 2011-2012 France Telecom All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* - Neither name of Intel Corporation nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**************************************************************************/
|
|
|
|
/*!
|
|
* \defgroup SSDPlib SSDP Library
|
|
*
|
|
* @{
|
|
*
|
|
* \file
|
|
*/
|
|
|
|
#include "httpparser.h"
|
|
#include "httpreadwrite.h"
|
|
#include "miniserver.h"
|
|
#include "UpnpInet.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <signal.h>
|
|
#include <setjmp.h>
|
|
#include <errno.h>
|
|
|
|
#ifdef WIN32
|
|
#else /* WIN32 */
|
|
#include <syslog.h>
|
|
#ifndef __APPLE__
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip_icmp.h>
|
|
#endif /* __APPLE__ */
|
|
#include <sys/time.h>
|
|
#endif /* WIN32 */
|
|
|
|
/*! Enumeration to define all different types of ssdp searches */
|
|
typedef enum SsdpSearchType {
|
|
/*! Unknown search command. */
|
|
SSDP_SERROR = -1,
|
|
SSDP_ALL,
|
|
SSDP_ROOTDEVICE,
|
|
SSDP_DEVICEUDN,
|
|
SSDP_DEVICETYPE,
|
|
SSDP_SERVICE
|
|
} SType;
|
|
|
|
#define BUFSIZE (size_t)2500
|
|
#define SSDP_IP "239.255.255.250"
|
|
#define SSDP_IPV6_LINKLOCAL "FF02::C"
|
|
#define SSDP_IPV6_SITELOCAL "FF05::C"
|
|
#define SSDP_PORT 1900
|
|
#define NUM_TRY 3
|
|
#define THREAD_LIMIT 50
|
|
#define COMMAND_LEN 300
|
|
|
|
/*! can be overwritten by configure CFLAGS argument. */
|
|
#ifndef X_USER_AGENT
|
|
/*! @name X_USER_AGENT
|
|
* The {\tt X_USER_AGENT} constant specifies the value of the X-User-Agent:
|
|
* HTTP header. The value "redsonic" is needed for the DSM-320. See
|
|
* https://sourceforge.net/forum/message.php?msg_id=3166856 for more
|
|
* information
|
|
*/
|
|
#define X_USER_AGENT "redsonic"
|
|
#endif
|
|
|
|
/*! Error codes. */
|
|
#define NO_ERROR_FOUND 0
|
|
#define E_REQUEST_INVALID -3
|
|
#define E_RES_EXPIRED -4
|
|
#define E_MEM_ALLOC -5
|
|
#define E_HTTP_SYNTEX -6
|
|
#define E_SOCKET -7
|
|
|
|
#define RQST_TIMEOUT 20
|
|
|
|
/*! Structure to store the SSDP information */
|
|
typedef struct SsdpEventStruct {
|
|
enum SsdpSearchType RequestType;
|
|
int ErrCode;
|
|
int MaxAge;
|
|
int Mx;
|
|
char UDN[LINE_SIZE];
|
|
char DeviceType[LINE_SIZE];
|
|
/* NT or ST */
|
|
char ServiceType[LINE_SIZE];
|
|
char Location[LINE_SIZE];
|
|
char HostAddr[LINE_SIZE];
|
|
char Os[LINE_SIZE];
|
|
char Ext[LINE_SIZE];
|
|
char Date[LINE_SIZE];
|
|
struct sockaddr *DestAddr;
|
|
void * Cookie;
|
|
} SsdpEvent;
|
|
|
|
typedef void (* SsdpFunPtr)(SsdpEvent *);
|
|
|
|
typedef struct TData
|
|
{
|
|
int Mx;
|
|
void * Cookie;
|
|
char * Data;
|
|
struct sockaddr_storage DestAddr;
|
|
} ThreadData;
|
|
|
|
typedef struct ssdpsearchreply
|
|
{
|
|
int MaxAge;
|
|
UpnpDevice_Handle handle;
|
|
struct sockaddr_storage dest_addr;
|
|
SsdpEvent event;
|
|
} SsdpSearchReply;
|
|
|
|
typedef struct ssdpsearcharg
|
|
{
|
|
int timeoutEventId;
|
|
char * searchTarget;
|
|
void *cookie;
|
|
enum SsdpSearchType requestType;
|
|
} SsdpSearchArg;
|
|
|
|
|
|
typedef struct
|
|
{
|
|
http_parser_t parser;
|
|
struct sockaddr_storage dest_addr;
|
|
} ssdp_thread_data;
|
|
|
|
/* globals */
|
|
|
|
#ifdef INCLUDE_CLIENT_APIS
|
|
extern SOCKET gSsdpReqSocket4;
|
|
#ifdef UPNP_ENABLE_IPV6
|
|
extern SOCKET gSsdpReqSocket6;
|
|
#endif /* UPNP_ENABLE_IPV6 */
|
|
#endif /* INCLUDE_CLIENT_APIS */
|
|
typedef int (*ParserFun)(char *, SsdpEvent *);
|
|
|
|
/*!
|
|
* \name SSDP Server Functions
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* \brief Sends SSDP advertisements, replies and shutdown messages.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int AdvertiseAndReply(
|
|
/* [in] -1 = Send shutdown, 0 = send reply, 1 = Send Advertisement. */
|
|
int AdFlag,
|
|
/* [in] Device handle. */
|
|
UpnpDevice_Handle Hnd,
|
|
/* [in] Search type for sending replies. */
|
|
enum SsdpSearchType SearchType,
|
|
/* [in] Destination address. */
|
|
struct sockaddr *DestAddr,
|
|
/* [in] Device type. */
|
|
char *DeviceType,
|
|
/* [in] Device UDN. */
|
|
char *DeviceUDN,
|
|
/* [in] Service type. */
|
|
char *ServiceType,
|
|
/* [in] Advertisement age. */
|
|
int Exp);
|
|
|
|
/*!
|
|
* \brief Fills the fields of the event structure like DeviceType, Device UDN
|
|
* and Service Type.
|
|
*
|
|
* \return 0 if successful else -1.
|
|
*/
|
|
int unique_service_name(
|
|
/* [in] Service Name string. */
|
|
char *cmd,
|
|
/* [out] The SSDP event structure partially filled by all the
|
|
* function. */
|
|
SsdpEvent *Evt);
|
|
|
|
/*!
|
|
* \brief This function figures out the type of the SSDP search in the in the
|
|
* request.
|
|
*
|
|
* \return enum SsdpSearchType. Returns appropriate search type,
|
|
* else returns SSDP_ERROR
|
|
*/
|
|
enum SsdpSearchType ssdp_request_type1(
|
|
/* [in] command came in the ssdp request. */
|
|
char *cmd);
|
|
|
|
/*!
|
|
* \brief Starts filling the SSDP event structure based upon the
|
|
* request received.
|
|
*
|
|
* \return 0 on success; -1 on error.
|
|
*/
|
|
int ssdp_request_type(
|
|
/* [in] command came in the ssdp request. */
|
|
char *cmd,
|
|
/* [out] The event structure partially filled by this function. */
|
|
SsdpEvent *Evt);
|
|
|
|
/*!
|
|
* \brief This function reads the data from the ssdp socket.
|
|
*/
|
|
void readFromSSDPSocket(
|
|
/* [in] SSDP socket. */
|
|
SOCKET socket);
|
|
|
|
/*!
|
|
* \brief Creates the IPv4 and IPv6 ssdp sockets required by the
|
|
* control point and device operation.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else returns appropriate error.
|
|
*/
|
|
int get_ssdp_sockets(
|
|
/* [out] Array of SSDP sockets. */
|
|
MiniServerSockArray *out);
|
|
|
|
/* @} SSDP Server Functions */
|
|
|
|
/*!
|
|
* \name SSDP Control Point Functions
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* \brief This function handles the ssdp messages from the devices. These
|
|
* messages includes the search replies, advertisement of device coming alive
|
|
* and bye byes.
|
|
*/
|
|
void ssdp_handle_ctrlpt_msg(
|
|
/* [in] SSDP message from the device. */
|
|
http_message_t *hmsg,
|
|
/* [in] Address of the device. */
|
|
struct sockaddr_storage *dest_addr,
|
|
/* [in] timeout kept by the control point while sending search message.
|
|
* Only in search reply. */
|
|
int timeout,
|
|
/* [in] Cookie stored by the control point application. This cookie will
|
|
* be returned to the control point in the callback.
|
|
* Only in search reply. */
|
|
void *cookie);
|
|
|
|
/*!
|
|
* \brief Creates and send the search request for a specific URL.
|
|
*
|
|
* This function implements the search request of the discovery phase.
|
|
* A M-SEARCH request is sent on the SSDP channel for both IPv4 and
|
|
* IPv6 addresses. The search target(ST) is required and must be one of
|
|
* the following:
|
|
* \li "ssdp:all" : Search for all devices and services.
|
|
* \li "ssdp:rootdevice" : Search for root devices only.
|
|
* \li "uuid:<device-uuid>" : Search for a particular device.
|
|
* \li "urn:schemas-upnp-org:device:<deviceType:v>"
|
|
* \li "urn:schemas-upnp-org:service:<serviceType:v>"
|
|
* \li "urn:<domain-name>:device:<deviceType:v>"
|
|
* \li "urn:<domain-name>:service:<serviceType:v>"
|
|
*
|
|
* \return 1 if successful else appropriate error.
|
|
*/
|
|
int SearchByTarget(
|
|
/* [in] Number of seconds to wait, to collect all the responses. */
|
|
int Mx,
|
|
/* [in] Search target. */
|
|
char *St,
|
|
/* [in] Cookie provided by control point application. This cokie will
|
|
* be returned to application in the callback. */
|
|
void *Cookie);
|
|
|
|
/* @} SSDP Control Point Functions */
|
|
|
|
/*!
|
|
* \name SSDP Device Functions
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* \brief Wrapper function to reply the search request coming from the
|
|
* control point.
|
|
*
|
|
* \return always return NULL
|
|
*/
|
|
void *advertiseAndReplyThread(
|
|
/* [in] Structure containing the search request. */
|
|
void *data);
|
|
|
|
/*!
|
|
* \brief Handles the search request. It does the sanity checks of the
|
|
* request and then schedules a thread to send a random time reply
|
|
* (random within maximum time given by the control point to reply).
|
|
*/
|
|
#ifdef INCLUDE_DEVICE_APIS
|
|
void ssdp_handle_device_request(
|
|
/* [in] . */
|
|
http_message_t *hmsg,
|
|
/* [in] . */
|
|
struct sockaddr_storage *dest_addr);
|
|
#else /* INCLUDE_DEVICE_APIS */
|
|
static UPNP_INLINE void ssdp_handle_device_request(
|
|
/* [in] . */
|
|
http_message_t *hmsg,
|
|
/* [in] . */
|
|
struct sockaddr_storage *dest_addr) {}
|
|
#endif /* INCLUDE_DEVICE_APIS */
|
|
|
|
/*!
|
|
* \brief Creates the device advertisement request based on the input
|
|
* parameter, and send it to the multicast channel.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int DeviceAdvertisement(
|
|
/* [in] type of the device. */
|
|
char *DevType,
|
|
/* [in] flag to indicate if the device is root device. */
|
|
int RootDev,
|
|
/* [in] UDN. */
|
|
char *Udn,
|
|
/* [in] Location URL. */
|
|
char *Location,
|
|
/* [in] Service duration in sec. */
|
|
int Duration,
|
|
/* [in] Device address family. */
|
|
int AddressFamily,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates the reply packet based on the input parameter, and send it
|
|
* to the client addesss given in its input parameter DestAddr.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int SendReply(
|
|
/* [in] destination IP address. */
|
|
struct sockaddr *DestAddr,
|
|
/* [in] Device type. */
|
|
char *DevType,
|
|
/* [in] 1 means root device 0 means embedded device. */
|
|
int RootDev,
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] Location of Device description document. */
|
|
char *Location,
|
|
/* [in] Life time of this device. */
|
|
int Duration,
|
|
/* [in] . */
|
|
int ByType,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates the reply packet based on the input parameter, and send it
|
|
* to the client address given in its input parameter DestAddr.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int DeviceReply(
|
|
/* [in] destination IP address. */
|
|
struct sockaddr *DestAddr,
|
|
/* [in] Device type. */
|
|
char *DevType,
|
|
/* [in] 1 means root device 0 means embedded device. */
|
|
int RootDev,
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] Location of Device description document. */
|
|
char *Location,
|
|
/* [in] Life time of this device. */
|
|
int Duration,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates the advertisement packet based on the input parameter,
|
|
* and send it to the multicast channel.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int ServiceAdvertisement(
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] Service Type. */
|
|
char *ServType,
|
|
/* [in] Location of Device description document. */
|
|
char *Location,
|
|
/* [in] Life time of this device. */
|
|
int Duration,
|
|
/* [in] Device address family. */
|
|
int AddressFamily,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates the advertisement packet based on the input parameter,
|
|
* and send it to the multicast channel.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int ServiceReply(
|
|
/* [in] . */
|
|
struct sockaddr *DestAddr,
|
|
/* [in] Service Type. */
|
|
char *ServType,
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] Location of Device description document. */
|
|
char *Location,
|
|
/* [in] Life time of this device. */
|
|
int Duration,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates a HTTP service shutdown request packet and sends it to the
|
|
* multicast channel through RequestHandler.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int ServiceShutdown(
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] Service Type. */
|
|
char *ServType,
|
|
/* [in] Location of Device description document. */
|
|
char *Location,
|
|
/* [in] Service duration in sec. */
|
|
int Duration,
|
|
/* [in] Device address family. */
|
|
int AddressFamily,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/*!
|
|
* \brief Creates a HTTP device shutdown request packet and send it to the
|
|
* multicast channel through RequestHandler.
|
|
*
|
|
* \return UPNP_E_SUCCESS if successful else appropriate error.
|
|
*/
|
|
int DeviceShutdown(
|
|
/* [in] Device Type. */
|
|
char *DevType,
|
|
/* [in] 1 means root device. */
|
|
int RootDev,
|
|
/* [in] Device UDN. */
|
|
char *Udn,
|
|
/* [in] . */
|
|
char *_Server,
|
|
/* [in] Location URL. */
|
|
char *Location,
|
|
/* [in] Device duration in sec. */
|
|
int Duration,
|
|
/* [in] Device address family. */
|
|
int AddressFamily,
|
|
/* [in] PowerState as defined by UPnP Low Power. */
|
|
int PowerState,
|
|
/* [in] SleepPeriod as defined by UPnP Low Power. */
|
|
int SleepPeriod,
|
|
/* [in] RegistrationState as defined by UPnP Low Power. */
|
|
int RegistrationState);
|
|
|
|
/* @} SSDP Device Functions */
|
|
|
|
/* @} SSDPlib SSDP Library */
|
|
|
|
#endif /* SSDPLIB_H */
|