dolphin-emulator/Externals/miniupnpc/include/miniupnpc.h
2025-03-12 22:51:45 +00:00

303 lines
11 KiB
C

/* $Id: miniupnpc.h,v 1.76 2025/03/05 10:35:57 nanard Exp $ */
/* vim: tabstop=4 shiftwidth=4 noexpandtab
* Project: miniupnp
* http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
* Author: Thomas Bernard
* Copyright (c) 2005-2025 Thomas Bernard
* This software is subjects to the conditions detailed
* in the LICENCE file provided within this distribution */
#ifndef MINIUPNPC_H_INCLUDED
#define MINIUPNPC_H_INCLUDED
/*! \file miniupnpc.h
* \brief Main C API for MiniUPnPc
*
* Contains functions to discover devices and check for device validity
* or connectivity.
*
* \mainpage MiniUPnPc API documentation
* MiniUPnPc (MiniUPnP client) is a library implementing a UPnP
* Internet Gateway Device (IGD) control point.
*
* It should be used by applications that needs to listen to incoming
* traffic from the internet which are running on a LAN where a
* UPnP IGD is running on the router (or gateway).
*
* See more documentation on the website http://miniupnp.free.fr
* or https://miniupnp.tuxfamily.org/ or GitHub :
* https://github.com/miniupnp/miniupnp/tree/master/miniupnpc
*/
#include "miniupnpc_declspec.h"
#include "igd_desc_parse.h"
#include "upnpdev.h"
/* error codes : */
/*! \brief value for success */
#define UPNPDISCOVER_SUCCESS (0)
/*! \brief value for unknown error */
#define UPNPDISCOVER_UNKNOWN_ERROR (-1)
/*! \brief value for a socket error */
#define UPNPDISCOVER_SOCKET_ERROR (-101)
/*! \brief value for a memory allocation error */
#define UPNPDISCOVER_MEMORY_ERROR (-102)
/*! \brief software version */
#define MINIUPNPC_VERSION "2.3.2"
/*! \brief C API version */
#define MINIUPNPC_API_VERSION 20
/*! \brief any (ie system chosen) port */
#define UPNP_LOCAL_PORT_ANY 0
/*! \brief Use as an alias for 1900 for backwards compatibility */
#define UPNP_LOCAL_PORT_SAME 1
#ifdef __cplusplus
extern "C" {
#endif
/* Structures definitions : */
/*!
* \brief UPnP method argument
*/
struct UPNParg {
const char * elt; /*!< \brief UPnP argument name */
const char * val; /*!< \brief UPnP argument value */
};
/*!
* \brief execute a UPnP method (SOAP action)
*
* \param[in] url Control URL for the service
* \param[in] service service to use
* \param[in] action action to call
* \param[in] args action arguments
* \param[out] bufsize the size of the returned buffer
* \return NULL in case of error or the raw XML response
*/
char *
simpleUPnPcommand(const char * url, const char * service,
const char * action, const struct UPNParg * args,
int * bufsize);
/*!
* \brief Discover UPnP IGD on the network.
*
* The discovered devices are returned as a chained list.
* It is up to the caller to free the list with freeUPNPDevlist().
* If available, device list will be obtained from MiniSSDPd.
*
* \param[in] delay (in millisecond) maximum time for waiting any device
* response
* \param[in] multicastif If not NULL, used instead of the default
* multicast interface for sending SSDP discover packets
* \param[in] minissdpdsock Path to minissdpd socket, default is used if
* NULL
* \param[in] localport Source port to send SSDP packets.
* #UPNP_LOCAL_PORT_SAME for 1900 (same as destination port)
* #UPNP_LOCAL_PORT_ANY to let system assign a source port
* \param[in] ipv6 0 for IPv4, 1 of IPv6
* \param[in] ttl should default to 2 as advised by UDA 1.1
* \param[out] error error code when NULL is returned
* \return NULL or a linked list
*/
MINIUPNP_LIBSPEC struct UPNPDev *
upnpDiscover(int delay, const char * multicastif,
const char * minissdpdsock, int localport,
int ipv6, unsigned char ttl,
int * error);
/*!
* \brief Discover all UPnP devices on the network
*
* search for "ssdp:all"
* \param[in] delay (in millisecond) maximum time for waiting any device
* response
* \param[in] multicastif If not NULL, used instead of the default
* multicast interface for sending SSDP discover packets
* \param[in] minissdpdsock Path to minissdpd socket, default is used if
* NULL
* \param[in] localport Source port to send SSDP packets.
* #UPNP_LOCAL_PORT_SAME for 1900 (same as destination port)
* #UPNP_LOCAL_PORT_ANY to let system assign a source port
* \param[in] ipv6 0 for IPv4, 1 of IPv6
* \param[in] ttl should default to 2 as advised by UDA 1.1
* \param[out] error error code when NULL is returned
* \return NULL or a linked list
*/
MINIUPNP_LIBSPEC struct UPNPDev *
upnpDiscoverAll(int delay, const char * multicastif,
const char * minissdpdsock, int localport,
int ipv6, unsigned char ttl,
int * error);
/*!
* \brief Discover one type of UPnP devices
*
* \param[in] device device type to search
* \param[in] delay (in millisecond) maximum time for waiting any device
* response
* \param[in] multicastif If not NULL, used instead of the default
* multicast interface for sending SSDP discover packets
* \param[in] minissdpdsock Path to minissdpd socket, default is used if
* NULL
* \param[in] localport Source port to send SSDP packets.
* #UPNP_LOCAL_PORT_SAME for 1900 (same as destination port)
* #UPNP_LOCAL_PORT_ANY to let system assign a source port
* \param[in] ipv6 0 for IPv4, 1 of IPv6
* \param[in] ttl should default to 2 as advised by UDA 1.1
* \param[out] error error code when NULL is returned
* \return NULL or a linked list
*/
MINIUPNP_LIBSPEC struct UPNPDev *
upnpDiscoverDevice(const char * device, int delay, const char * multicastif,
const char * minissdpdsock, int localport,
int ipv6, unsigned char ttl,
int * error);
/*!
* \brief Discover one or several type of UPnP devices
*
* \param[in] deviceTypes array of device types to search (ending with NULL)
* \param[in] delay (in millisecond) maximum time for waiting any device
* response
* \param[in] multicastif If not NULL, used instead of the default
* multicast interface for sending SSDP discover packets
* \param[in] minissdpdsock Path to minissdpd socket, default is used if
* NULL
* \param[in] localport Source port to send SSDP packets.
* #UPNP_LOCAL_PORT_SAME for 1900 (same as destination port)
* #UPNP_LOCAL_PORT_ANY to let system assign a source port
* \param[in] ipv6 0 for IPv4, 1 of IPv6
* \param[in] ttl should default to 2 as advised by UDA 1.1
* \param[out] error error code when NULL is returned
* \param[in] searchalltypes 0 to stop with the first type returning results
* \return NULL or a linked list
*/
MINIUPNP_LIBSPEC struct UPNPDev *
upnpDiscoverDevices(const char * const deviceTypes[],
int delay, const char * multicastif,
const char * minissdpdsock, int localport,
int ipv6, unsigned char ttl,
int * error,
int searchalltypes);
/*!
* \brief parse root XML description of a UPnP device
*
* fill the IGDdatas structure.
* \param[in] buffer character buffer containing the XML description
* \param[in] bufsize size in bytes of the buffer
* \param[out] data IGDdatas structure to fill
*/
MINIUPNP_LIBSPEC void parserootdesc(const char * buffer, int bufsize, struct IGDdatas * data);
/*!
* \brief structure used to get fast access to urls
*/
struct UPNPUrls {
/*! \brief controlURL of the WANIPConnection */
char * controlURL;
/*! \brief url of the description of the WANIPConnection */
char * ipcondescURL;
/*! \brief controlURL of the WANCommonInterfaceConfig */
char * controlURL_CIF;
/*! \brief controlURL of the WANIPv6FirewallControl */
char * controlURL_6FC;
/*! \brief url of the root description */
char * rootdescURL;
};
/*! \brief NO IGD found */
#define UPNP_NO_IGD (0)
/*! \brief valid and connected IGD */
#define UPNP_CONNECTED_IGD (1)
/*! \brief valid and connected IGD but with a reserved address
* (non routable) */
#define UPNP_PRIVATEIP_IGD (2)
/*! \brief valid but not connected IGD */
#define UPNP_DISCONNECTED_IGD (3)
/*! \brief UPnP device not recognized as an IGD */
#define UPNP_UNKNOWN_DEVICE (4)
/*!
* \brief look for a valid and possibly connected IGD in the list
*
* In any non zero return case, the urls and data structures
* passed as parameters are set. Donc forget to call FreeUPNPUrls(urls) to
* free allocated memory.
* \param[in] devlist A device list obtained with upnpDiscover() /
* upnpDiscoverAll() / upnpDiscoverDevice() / upnpDiscoverDevices()
* \param[out] urls Urls for the IGD found
* \param[out] data datas for the IGD found
* \param[out] lanaddr buffer to copy the local address of the host to reach the IGD
* \param[in] lanaddrlen size of the lanaddr buffer
* \param[out] wanaddr buffer to copy the public address of the IGD
* \param[in] wanaddrlen size of the wanaddr buffer
* \return #UPNP_NO_IGD / #UPNP_CONNECTED_IGD / #UPNP_PRIVATEIP_IGD /
* #UPNP_DISCONNECTED_IGD / #UPNP_UNKNOWN_DEVICE
*/
MINIUPNP_LIBSPEC int
UPNP_GetValidIGD(struct UPNPDev * devlist,
struct UPNPUrls * urls,
struct IGDdatas * data,
char * lanaddr, int lanaddrlen,
char * wanaddr, int wanaddrlen);
/*!
* \brief Get IGD URLs and data for URL
*
* Used when skipping the discovery process.
* \param[in] rootdescurl Root description URL of the device
* \param[out] urls Urls for the IGD found
* \param[out] data datas for the IGD found
* \param[out] lanaddr buffer to copy the local address of the host to reach the IGD
* \param[in] lanaddrlen size of the lanaddr buffer
* \return 0 Not ok / 1 OK
*/
MINIUPNP_LIBSPEC int
UPNP_GetIGDFromUrl(const char * rootdescurl,
struct UPNPUrls * urls,
struct IGDdatas * data,
char * lanaddr, int lanaddrlen);
/*!
* \brief Prepare the URLs for usage
*
* build absolute URLs from the root description
* \param[out] urls URL structure to initialize
* \param[in] data datas for the IGD
* \param[in] descURL root description URL for the IGD
* \param[in] scope_id if not 0, add the scope to the linklocal IPv6
* addresses in URLs
*/
MINIUPNP_LIBSPEC void
GetUPNPUrls(struct UPNPUrls * urls, struct IGDdatas * data,
const char * descURL, unsigned int scope_id);
/*!
* \brief free the members of a UPNPUrls struct
*
* All URLs buffers are freed and zeroed
* \param[out] urls
*/
MINIUPNP_LIBSPEC void
FreeUPNPUrls(struct UPNPUrls * urls);
/*!
* \brief check the current connection status of an IGD
*
* it uses UPNP_GetStatusInfo()
* \param[in] urls IGD URLs
* \param[in] data IGD data
* \return 1 Connected / 0 Disconnected
*/
MINIUPNP_LIBSPEC int UPNPIGD_IsConnected(struct UPNPUrls * urls, struct IGDdatas * data);
#ifdef __cplusplus
}
#endif
#endif