mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
663 lines
15 KiB
C++
663 lines
15 KiB
C++
// Windows / Mac version.
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/* This stuff is actually C */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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} /* extern C */
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#endif
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/* This stuff is actually C */
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#include "upnp/upnphandler_miniupnp.h"
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#include "upnp/upnputil.h"
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class uPnPConfigData
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{
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public:
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struct UPNPDev * devlist;
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struct UPNPUrls urls;
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struct IGDdatas data;
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char lanaddr[16]; /* my ip address on the LAN */
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};
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#include <iostream>
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#include "util/rsnet.h"
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bool upnphandler::initUPnPState()
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{
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/* allocate memory */
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uPnPConfigData *upcd = new uPnPConfigData;
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#if MINIUPNPC_API_VERSION >= 14 //1.9 2015/07/23
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/* $Id: miniupnpc.h,v 1.44 2015/07/23 20:40:10 nanard Exp $ */
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//upnpDiscover(int delay, const char * multicastif,
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// const char * minissdpdsock, int sameport,
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// int ipv6, unsigned char ttl,
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// int * error);
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unsigned char ttl = 2; /* defaulting to 2 */
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upcd->devlist = upnpDiscover(2000, NULL,
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NULL, 0,
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0, ttl,
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NULL);
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#else
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#if MINIUPNPC_API_VERSION >= 8 //1.5 2011/04/18
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/* $Id: miniupnpc.h,v 1.41 2015/05/22 10:23:48 nanard Exp $ */
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/* $Id: miniupnpc.h,v 1.23 2011/04/11 08:21:46 nanard Exp $ */
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//upnpDiscover(int delay, const char * multicastif,
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// const char * minissdpdsock, int sameport,
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// int ipv6,
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// int * error);
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upcd->devlist = upnpDiscover(2000, NULL,
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NULL, 0,
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0,
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NULL);
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#else
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#if MINIUPNPC_API_VERSION >= 6//1.5 2011/03/14
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/* $Id: miniupnpc.h,v 1.21 2011/03/14 13:37:12 nanard Exp $ */
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//upnpDiscover(int delay, const char * multicastif,
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// const char * minissdpdsock, int sameport,
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// int * error);
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upcd->devlist = upnpDiscover(2000, NULL,
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NULL, 0,
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NULL);
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#else
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#if MINIUPNPC_API_VERSION >= -4//1.1 2008/09/25
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/* $Id: miniupnpc.h,v 1.20 2011/02/07 16:46:05 nanard Exp $ */
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/* $Id: miniupnpc.h,v 1.18 2008/09/25 18:02:50 nanard Exp $ */
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//upnpDiscover(int delay, const char * multicastif,
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// const char * minissdpdsock, int sameport);
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upcd->devlist = upnpDiscover(2000, NULL,
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NULL, 0);
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#else
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#if MINIUPNPC_API_VERSION >= -5//1.0 2007/12/19
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/* $Id: miniupnpc.h,v 1.17 2007/12/19 14:58:54 nanard Exp $ */
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//upnpDiscover(int delay, const char * multicastif,
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// const char * minissdpdsock);
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upcd->devlist = upnpDiscover(2000, NULL,
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NULL);
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#else
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#if MINIUPNPC_API_VERSION >= -6//1.0 2007/10/16
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/* $Id: miniupnpc.h,v 1.15 2007/10/16 15:07:32 nanard Exp $ */
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//LIBSPEC struct UPNPDev * upnpDiscover(int delay, const char * multicastif);
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upcd->devlist = upnpDiscover(2000, NULL);
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#else
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#if MINIUPNPC_API_VERSION >= -7//1.0 2006/09/04
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/* $Id: miniupnpc.h,v 1.14 2007/10/01 13:42:52 nanard Exp $ */
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/* $Id: miniupnpc.h,v 1.9 2006/09/04 09:30:17 nanard Exp $ */
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//struct UPNPDev * upnpDiscover(int);
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upcd->devlist = upnpDiscover(2000);
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#else
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#error MINIUPNPC_API_VERSION is not defined. You may define one follow miniupnpc library version
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//2006/09/04 to 2007/10/01 => -7//Start return struct UPNPDev * for upnpDiscover
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//2007/10/16 => -6 upnpDiscover
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//2007/12/19 => -5 upnpDiscover
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//2008/09/25 => -4 upnpDiscover
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//2009/04/17 => -3 UPNP_AddPortMapping
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//2010/12/09 => -2 //struct IGDdatas_service CIF;
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//2011/02/15 => -1 UPNP_AddPortMapping
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//2011/03/14 => 6 //Start of MINIUPNPC_API_VERSION
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#endif//>=-7
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#endif//>=-6
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#endif//>=-5
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#endif//>=-4
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#endif//>=6
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#endif//>=8
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#endif//>=14
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if(upcd->devlist)
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{
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struct UPNPDev * device;
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printf("List of UPNP devices found on the network :\n");
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for(device=upcd->devlist;device;device=device->pNext)
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{
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printf("\n desc: %s\n st: %s\n",
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device->descURL, device->st);
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}
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putchar('\n');
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if(UPNP_GetValidIGD(upcd->devlist, &(upcd->urls),
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&(upcd->data), upcd->lanaddr,
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sizeof(upcd->lanaddr)))
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{
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printf("Found valid IGD : %s\n",
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upcd->urls.controlURL);
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printf("Local LAN ip address : %s\n",
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upcd->lanaddr);
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/* MODIFY STATE */
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dataMtx.lock(); /* LOCK MUTEX */
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/* convert to ipaddress. */
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inet_aton(upcd->lanaddr, &(upnp_iaddr.sin_addr));
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upnp_iaddr.sin_port = htons(iport);
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upnpState = RS_UPNP_S_READY;
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if (upnpConfig)
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{
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delete upnpConfig;
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}
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upnpConfig = upcd; /* */
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dataMtx.unlock(); /* UNLOCK MUTEX */
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/* done -> READY */
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return 1;
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}
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else
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{
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fprintf(stderr, "No valid UPNP Internet Gateway Device found.\n");
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}
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freeUPNPDevlist(upcd->devlist);
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upcd->devlist = 0;
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}
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else
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{
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fprintf(stderr, "No IGD UPnP Device found on the network !\n");
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}
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/* MODIFY STATE */
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dataMtx.lock(); /* LOCK MUTEX */
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upnpState = RS_UPNP_S_UNAVAILABLE;
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delete upcd;
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upnpConfig = NULL;
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dataMtx.unlock(); /* UNLOCK MUTEX */
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/* done, FAILED -> NOT AVAILABLE */
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return 0;
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}
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bool upnphandler::printUPnPState()
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{
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std::cerr << "upnphandler::printUPnPState() ... locking";
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std::cerr << std::endl;
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RsStackMutex stack(dataMtx); /* LOCK STACK MUTEX */
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std::cerr << "upnphandler::printUPnPState() ... locked";
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std::cerr << std::endl;
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uPnPConfigData *config = upnpConfig;
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if ((upnpState >= RS_UPNP_S_READY) && (config))
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{
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DisplayInfos(&(config -> urls), &(config->data));
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GetConnectionStatus(&(config -> urls), &(config->data));
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ListRedirections(&(config -> urls), &(config->data));
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}
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else
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{
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std::cerr << "UPNP not Ready" << std::endl;
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}
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return 1;
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}
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bool upnphandler::checkUPnPActive()
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{
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RsStackMutex stack(dataMtx); /* LOCK STACK MUTEX */
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uPnPConfigData *config = upnpConfig;
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if ((upnpState > RS_UPNP_S_READY) && (config))
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{
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char eprot1[] = "TCP";
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char eprot2[] = "UDP";
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char in_addr[256];
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char in_port1[256];
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char in_port2[256];
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char eport1[256];
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char eport2[256];
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struct sockaddr_in localAddr = upnp_iaddr;
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uint32_t linaddr = ntohl(localAddr.sin_addr.s_addr);
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snprintf(in_port1, 256, "%d", ntohs(localAddr.sin_port));
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snprintf(in_port2, 256, "%d", ntohs(localAddr.sin_port));
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snprintf(in_addr, 256, "%d.%d.%d.%d",
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((linaddr >> 24) & 0xff),
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((linaddr >> 16) & 0xff),
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((linaddr >> 8) & 0xff),
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((linaddr >> 0) & 0xff));
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snprintf(eport1, 256, "%d", eport_curr);
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snprintf(eport2, 256, "%d", eport_curr);
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std::cerr << "upnphandler::checkUPnPState()";
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std::cerr << " Checking Redirection: InAddr: " << in_addr;
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std::cerr << " InPort: " << in_port1;
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std::cerr << " ePort: " << eport1;
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std::cerr << " eProt: " << eprot1;
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std::cerr << std::endl;
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bool tcpOk = TestRedirect(&(config -> urls), &(config->data),
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in_addr, in_port1, eport1, eprot1);
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bool udpOk = TestRedirect(&(config -> urls), &(config->data),
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in_addr, in_port2, eport2, eprot2);
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if ((!tcpOk) || (!udpOk))
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{
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std::cerr << "upnphandler::checkUPnPState() ... Redirect Expired, restarting";
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std::cerr << std::endl;
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toStop = true;
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toStart = true;
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}
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}
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return true;
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}
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class upnpThreadData
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{
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public:
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upnphandler *handler;
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bool start;
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bool stop;
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};
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/* Thread routines */
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extern "C" void* doSetupUPnP(void* p)
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{
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upnpThreadData *data = (upnpThreadData *) p;
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if ((!data) || (!data->handler))
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{
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pthread_exit(NULL);
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}
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/* publish it! */
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if (data -> stop)
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{
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data->handler->shutdown_upnp();
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}
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if (data -> start)
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{
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data->handler->initUPnPState();
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data->handler->start_upnp();
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}
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data->handler->printUPnPState();
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delete data;
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pthread_exit(NULL);
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return NULL;
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}
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bool upnphandler::background_setup_upnp(bool start, bool stop)
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{
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pthread_t tid;
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/* launch thread */
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upnpThreadData *data = new upnpThreadData();
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data->handler = this;
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data->start = start;
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data->stop = stop;
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if(!pthread_create(&tid, 0, &doSetupUPnP, (void *) data))
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{
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pthread_detach(tid); /* so memory is reclaimed in linux */
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return true;
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}
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else
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{
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delete data ;
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std::cerr << "(EE) Failed to start upnp thread." << std::endl;
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return false ;
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}
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}
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bool upnphandler::start_upnp()
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{
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RsStackMutex stack(dataMtx); /* LOCK STACK MUTEX */
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uPnPConfigData *config = upnpConfig;
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if (!((upnpState >= RS_UPNP_S_READY) && (config)))
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{
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std::cerr << "upnphandler::start_upnp() Not Ready";
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std::cerr << std::endl;
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return false;
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}
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char eprot1[] = "TCP";
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char eprot2[] = "UDP";
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/* if we're to load -> load */
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/* select external ports */
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eport_curr = eport;
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if (!eport_curr)
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{
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/* use local port if eport is zero */
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eport_curr = iport;
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std::cerr << "Using LocalPort for extPort!";
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std::cerr << std::endl;
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}
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if (!eport_curr)
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{
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std::cerr << "Invalid eport ... ";
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std::cerr << std::endl;
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return false;
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}
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/* our port */
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char in_addr[256];
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char in_port1[256];
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char in_port2[256];
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char eport1[256];
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char eport2[256];
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upnp_iaddr.sin_port = htons(iport);
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struct sockaddr_in localAddr = upnp_iaddr;
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uint32_t linaddr = ntohl(localAddr.sin_addr.s_addr);
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snprintf(in_port1, 256, "%d", ntohs(localAddr.sin_port));
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snprintf(in_port2, 256, "%d", ntohs(localAddr.sin_port));
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snprintf(in_addr, 256, "%d.%d.%d.%d",
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((linaddr >> 24) & 0xff),
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((linaddr >> 16) & 0xff),
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((linaddr >> 8) & 0xff),
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((linaddr >> 0) & 0xff));
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snprintf(eport1, 256, "%d", eport_curr);
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snprintf(eport2, 256, "%d", eport_curr);
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std::cerr << "Attempting Redirection: InAddr: " << in_addr;
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std::cerr << " InPort: " << in_port1;
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std::cerr << " ePort: " << eport1;
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std::cerr << " eProt: " << eprot1;
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std::cerr << std::endl;
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if (!SetRedirectAndTest(&(config -> urls), &(config->data),
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in_addr, in_port1, eport1, eprot1,
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NULL /*leaseDuration*/, NULL /*description*/,
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0))
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{
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upnpState = RS_UPNP_S_TCP_FAILED;
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}
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else if (!SetRedirectAndTest(&(config -> urls), &(config->data),
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in_addr, in_port2, eport2, eprot2,
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NULL /*leaseDuration*/, NULL /*description*/,
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0))
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{
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upnpState = RS_UPNP_S_UDP_FAILED;
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}
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else
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{
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upnpState = RS_UPNP_S_ACTIVE;
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}
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/* now store the external address */
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char externalIPAddress[32];
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UPNP_GetExternalIPAddress(config -> urls.controlURL,
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#if MINIUPNPC_API_VERSION >= -2//1.4 2010/12/09
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config->data.first.servicetype,
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#else
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#if MINIUPNPC_API_VERSION >= -7//1.0 2006/09/04
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config->data.servicetype,
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#else
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#error MINIUPNPC_API_VERSION is not defined. You may define one follow miniupnpc library version
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#endif
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#endif
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externalIPAddress);
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sockaddr_clear(&upnp_eaddr);
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if(externalIPAddress[0])
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{
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std::cerr << "Stored External address: " << externalIPAddress;
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std::cerr << ":" << eport_curr;
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std::cerr << std::endl;
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inet_aton(externalIPAddress, &(upnp_eaddr.sin_addr));
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upnp_eaddr.sin_family = AF_INET;
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upnp_eaddr.sin_port = htons(eport_curr);
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}
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else
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{
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std::cerr << "FAILED To get external Address";
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std::cerr << std::endl;
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}
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toStart = false;
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return true;
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}
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bool upnphandler::shutdown_upnp()
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{
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RsStackMutex stack(dataMtx); /* LOCK STACK MUTEX */
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uPnPConfigData *config = upnpConfig;
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if (!((upnpState >= RS_UPNP_S_READY) && (config)))
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{
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return false;
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}
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char eprot1[] = "TCP";
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char eprot2[] = "UDP";
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/* always attempt this (unless no port number) */
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if (eport_curr > 0)
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{
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char eport1[256];
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char eport2[256];
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snprintf(eport1, 256, "%d", eport_curr);
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snprintf(eport2, 256, "%d", eport_curr);
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std::cerr << "Attempting To Remove Redirection: port: " << eport1;
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std::cerr << " Prot: " << eprot1;
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std::cerr << std::endl;
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RemoveRedirect(&(config -> urls), &(config->data),
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eport1, eprot1);
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std::cerr << "Attempting To Remove Redirection: port: " << eport2;
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std::cerr << " Prot: " << eprot2;
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std::cerr << std::endl;
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RemoveRedirect(&(config -> urls), &(config->data),
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eport2, eprot2);
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upnpState = RS_UPNP_S_READY;
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toStop = false;
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}
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return true;
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}
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/************************ External Interface *****************************
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*
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*
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*
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*/
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upnphandler::upnphandler()
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: dataMtx("upnpState"), toEnable(false), toStart(false), toStop(false),
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eport(0), eport_curr(0),
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upnpState(RS_UPNP_S_UNINITIALISED),
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upnpConfig(NULL)
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{
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return;
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}
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upnphandler::~upnphandler()
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{
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return;
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}
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/* RsIface */
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void upnphandler::enable(bool active)
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{
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dataMtx.lock(); /*** LOCK MUTEX ***/
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if (active != toEnable)
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{
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if (active)
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{
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toStart = true;
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}
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else
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{
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toStop = true;
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}
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}
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toEnable = active;
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|
bool start = toStart;
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
|
|
if (start)
|
|
{
|
|
/* make background thread to startup UPnP */
|
|
background_setup_upnp(true, false);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
void upnphandler::shutdown()
|
|
{
|
|
/* blocking call to shutdown upnp */
|
|
|
|
shutdown_upnp();
|
|
}
|
|
|
|
|
|
void upnphandler::restart()
|
|
{
|
|
/* non-blocking call to shutdown upnp, and startup again. */
|
|
background_setup_upnp(true, true);
|
|
}
|
|
|
|
|
|
|
|
bool upnphandler::getEnabled()
|
|
{
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
|
|
bool on = toEnable;
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
|
|
return on;
|
|
}
|
|
|
|
bool upnphandler::getActive()
|
|
{
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
|
|
bool on = (upnpState == RS_UPNP_S_ACTIVE);
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
|
|
return on;
|
|
}
|
|
|
|
/* the address that the listening port is on */
|
|
void upnphandler::setInternalPort(unsigned short iport_in)
|
|
{
|
|
// std::cerr << "UPnPHandler::setInternalAddress() pre Lock!" << std::endl;
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
// std::cerr << "UPnPHandler::setInternalAddress() postLock!" << std::endl;
|
|
|
|
std::cerr << "UPnPHandler::setInternalPort(" << iport_in << ") current port: ";
|
|
std::cerr << iport << std::endl;
|
|
|
|
if (iport != iport_in)
|
|
{
|
|
iport = iport_in;
|
|
if ((toEnable) &&
|
|
(upnpState == RS_UPNP_S_ACTIVE))
|
|
{
|
|
toStop = true;
|
|
toStart = true;
|
|
}
|
|
}
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
}
|
|
|
|
void upnphandler::setExternalPort(unsigned short eport_in)
|
|
{
|
|
// std::cerr << "UPnPHandler::getExternalPort() pre Lock!" << std::endl;
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
// std::cerr << "UPnPHandler::getExternalPort() postLock!" << std::endl;
|
|
|
|
std::cerr << "UPnPHandler::setExternalPort(" << eport_in << ") current port: ";
|
|
std::cerr << eport << std::endl;
|
|
|
|
/* flag both shutdown/start -> for restart */
|
|
if (eport != eport_in)
|
|
{
|
|
eport = eport_in;
|
|
if ((toEnable) &&
|
|
(upnpState == RS_UPNP_S_ACTIVE))
|
|
{
|
|
toStop = true;
|
|
toStart = true;
|
|
}
|
|
}
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
}
|
|
|
|
/* as determined by uPnP */
|
|
bool upnphandler::getInternalAddress(struct sockaddr_storage &addr)
|
|
{
|
|
// std::cerr << "UPnPHandler::getInternalAddress() pre Lock!" << std::endl;
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
// std::cerr << "UPnPHandler::getInternalAddress() postLock!" << std::endl;
|
|
|
|
std::cerr << "UPnPHandler::getInternalAddress()" << std::endl;
|
|
|
|
// copy to universal addr.
|
|
sockaddr_storage_clear(addr);
|
|
sockaddr_storage_setipv4(addr, &upnp_iaddr);
|
|
|
|
bool valid = (upnpState >= RS_UPNP_S_ACTIVE);
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
|
|
return valid;
|
|
}
|
|
|
|
bool upnphandler::getExternalAddress(struct sockaddr_storage &addr)
|
|
{
|
|
// std::cerr << "UPnPHandler::getExternalAddress() pre Lock!" << std::endl;
|
|
dataMtx.lock(); /*** LOCK MUTEX ***/
|
|
// std::cerr << "UPnPHandler::getExternalAddress() postLock!" << std::endl;
|
|
|
|
std::cerr << "UPnPHandler::getExternalAddress()" << std::endl;
|
|
|
|
// copy to universal addr.
|
|
sockaddr_storage_clear(addr);
|
|
sockaddr_storage_setipv4(addr, &upnp_eaddr);
|
|
|
|
bool valid = (upnpState == RS_UPNP_S_ACTIVE);
|
|
|
|
dataMtx.unlock(); /*** UNLOCK MUTEX ***/
|
|
|
|
return valid;
|
|
}
|
|
|