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-rw-r--r--thirdparty/miniupnpc/miniupnpc.c727
1 files changed, 727 insertions, 0 deletions
diff --git a/thirdparty/miniupnpc/miniupnpc.c b/thirdparty/miniupnpc/miniupnpc.c
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+++ b/thirdparty/miniupnpc/miniupnpc.c
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+/* $Id: miniupnpc.c,v 1.149 2016/02/09 09:50:46 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Web : http://miniupnp.free.fr/
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENSE file. */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef _WIN32
+/* Win32 Specific includes and defines */
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#include <iphlpapi.h>
+#define snprintf _snprintf
+#define strdup _strdup
+#ifndef strncasecmp
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define strncasecmp _memicmp
+#else /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#define strncasecmp memicmp
+#endif /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#endif /* #ifndef strncasecmp */
+#define MAXHOSTNAMELEN 64
+#else /* #ifdef _WIN32 */
+/* Standard POSIX includes */
+#include <unistd.h>
+#if defined(__amigaos__) && !defined(__amigaos4__)
+/* Amiga OS 3 specific stuff */
+#define socklen_t int
+#else
+#include <sys/select.h>
+#endif
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <net/if.h>
+#if !defined(__amigaos__) && !defined(__amigaos4__)
+#include <poll.h>
+#endif
+#include <strings.h>
+#include <errno.h>
+#define closesocket close
+#endif /* #else _WIN32 */
+#ifdef __GNU__
+#define MAXHOSTNAMELEN 64
+#endif
+
+
+#include "miniupnpc.h"
+#include "minissdpc.h"
+#include "miniwget.h"
+#include "miniwget_private.h"
+#include "minisoap.h"
+#include "minixml.h"
+#include "upnpcommands.h"
+#include "connecthostport.h"
+
+/* compare the beginning of a string with a constant string */
+#define COMPARE(str, cstr) (0==memcmp(str, cstr, sizeof(cstr) - 1))
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif
+
+#define SOAPPREFIX "s"
+#define SERVICEPREFIX "u"
+#define SERVICEPREFIX2 'u'
+
+/* check if an ip address is a private (LAN) address
+ * see https://tools.ietf.org/html/rfc1918 */
+static int is_rfc1918addr(const char * addr)
+{
+ /* 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) */
+ if(COMPARE(addr, "192.168."))
+ return 1;
+ /* 10.0.0.0 - 10.255.255.255 (10/8 prefix) */
+ if(COMPARE(addr, "10."))
+ return 1;
+ /* 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) */
+ if(COMPARE(addr, "172.")) {
+ int i = atoi(addr + 4);
+ if((16 <= i) && (i <= 31))
+ return 1;
+ }
+ return 0;
+}
+
+/* root description parsing */
+MINIUPNP_LIBSPEC void parserootdesc(const char * buffer, int bufsize, struct IGDdatas * data)
+{
+ struct xmlparser parser;
+ /* xmlparser object */
+ parser.xmlstart = buffer;
+ parser.xmlsize = bufsize;
+ parser.data = data;
+ parser.starteltfunc = IGDstartelt;
+ parser.endeltfunc = IGDendelt;
+ parser.datafunc = IGDdata;
+ parser.attfunc = 0;
+ parsexml(&parser);
+#ifdef DEBUG
+ printIGD(data);
+#endif
+}
+
+/* simpleUPnPcommand2 :
+ * not so simple !
+ * return values :
+ * pointer - OK
+ * NULL - error */
+static char *
+simpleUPnPcommand2(SOCKET s, const char * url, const char * service,
+ const char * action, struct UPNParg * args,
+ int * bufsize, const char * httpversion)
+{
+ char hostname[MAXHOSTNAMELEN+1];
+ unsigned short port = 0;
+ char * path;
+ char soapact[128];
+ char soapbody[2048];
+ int soapbodylen;
+ char * buf;
+ int n;
+ int status_code;
+
+ *bufsize = 0;
+ snprintf(soapact, sizeof(soapact), "%s#%s", service, action);
+ if(args==NULL)
+ {
+ soapbodylen = snprintf(soapbody, sizeof(soapbody),
+ "<?xml version=\"1.0\"?>\r\n"
+ "<" SOAPPREFIX ":Envelope "
+ "xmlns:" SOAPPREFIX "=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+ SOAPPREFIX ":encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
+ "<" SOAPPREFIX ":Body>"
+ "<" SERVICEPREFIX ":%s xmlns:" SERVICEPREFIX "=\"%s\">"
+ "</" SERVICEPREFIX ":%s>"
+ "</" SOAPPREFIX ":Body></" SOAPPREFIX ":Envelope>"
+ "\r\n", action, service, action);
+ if ((unsigned int)soapbodylen >= sizeof(soapbody))
+ return NULL;
+ }
+ else
+ {
+ char * p;
+ const char * pe, * pv;
+ const char * const pend = soapbody + sizeof(soapbody);
+ soapbodylen = snprintf(soapbody, sizeof(soapbody),
+ "<?xml version=\"1.0\"?>\r\n"
+ "<" SOAPPREFIX ":Envelope "
+ "xmlns:" SOAPPREFIX "=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+ SOAPPREFIX ":encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
+ "<" SOAPPREFIX ":Body>"
+ "<" SERVICEPREFIX ":%s xmlns:" SERVICEPREFIX "=\"%s\">",
+ action, service);
+ if ((unsigned int)soapbodylen >= sizeof(soapbody))
+ return NULL;
+ p = soapbody + soapbodylen;
+ while(args->elt)
+ {
+ if(p >= pend) /* check for space to write next byte */
+ return NULL;
+ *(p++) = '<';
+
+ pe = args->elt;
+ while(p < pend && *pe)
+ *(p++) = *(pe++);
+
+ if(p >= pend) /* check for space to write next byte */
+ return NULL;
+ *(p++) = '>';
+
+ if((pv = args->val))
+ {
+ while(p < pend && *pv)
+ *(p++) = *(pv++);
+ }
+
+ if((p+2) > pend) /* check for space to write next 2 bytes */
+ return NULL;
+ *(p++) = '<';
+ *(p++) = '/';
+
+ pe = args->elt;
+ while(p < pend && *pe)
+ *(p++) = *(pe++);
+
+ if(p >= pend) /* check for space to write next byte */
+ return NULL;
+ *(p++) = '>';
+
+ args++;
+ }
+ if((p+4) > pend) /* check for space to write next 4 bytes */
+ return NULL;
+ *(p++) = '<';
+ *(p++) = '/';
+ *(p++) = SERVICEPREFIX2;
+ *(p++) = ':';
+
+ pe = action;
+ while(p < pend && *pe)
+ *(p++) = *(pe++);
+
+ strncpy(p, "></" SOAPPREFIX ":Body></" SOAPPREFIX ":Envelope>\r\n",
+ pend - p);
+ if(soapbody[sizeof(soapbody)-1]) /* strncpy pads buffer with 0s, so if it doesn't end in 0, could not fit full string */
+ return NULL;
+ }
+ if(!parseURL(url, hostname, &port, &path, NULL)) return NULL;
+ if(ISINVALID(s)) {
+ s = connecthostport(hostname, port, 0);
+ if(ISINVALID(s)) {
+ /* failed to connect */
+ return NULL;
+ }
+ }
+
+ n = soapPostSubmit(s, path, hostname, port, soapact, soapbody, httpversion);
+ if(n<=0) {
+#ifdef DEBUG
+ printf("Error sending SOAP request\n");
+#endif
+ closesocket(s);
+ return NULL;
+ }
+
+ buf = getHTTPResponse(s, bufsize, &status_code);
+#ifdef DEBUG
+ if(*bufsize > 0 && buf)
+ {
+ printf("HTTP %d SOAP Response :\n%.*s\n", status_code, *bufsize, buf);
+ }
+ else
+ {
+ printf("HTTP %d, empty SOAP response. size=%d\n", status_code, *bufsize);
+ }
+#endif
+ closesocket(s);
+ return buf;
+}
+
+/* simpleUPnPcommand :
+ * not so simple !
+ * return values :
+ * pointer - OK
+ * NULL - error */
+char *
+simpleUPnPcommand(int s, const char * url, const char * service,
+ const char * action, struct UPNParg * args,
+ int * bufsize)
+{
+ char * buf;
+
+#if 1
+ buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.1");
+#else
+ buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.0");
+ if (!buf || *bufsize == 0)
+ {
+#if DEBUG
+ printf("Error or no result from SOAP request; retrying with HTTP/1.1\n");
+#endif
+ buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.1");
+ }
+#endif
+ return buf;
+}
+
+/* upnpDiscoverDevices() :
+ * return a chained list of all devices found or NULL if
+ * no devices was found.
+ * It is up to the caller to free the chained list
+ * delay is in millisecond (poll).
+ * UDA v1.1 says :
+ * The TTL for the IP packet SHOULD default to 2 and
+ * SHOULD be configurable. */
+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)
+{
+ struct UPNPDev * tmp;
+ struct UPNPDev * devlist = 0;
+#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
+ int deviceIndex;
+#endif /* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+
+ if(error)
+ *error = UPNPDISCOVER_UNKNOWN_ERROR;
+#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
+ /* first try to get infos from minissdpd ! */
+ if(!minissdpdsock)
+ minissdpdsock = "/var/run/minissdpd.sock";
+ if(minissdpdsock[0] != '\0') {
+ for(deviceIndex = 0; deviceTypes[deviceIndex]; deviceIndex++) {
+ struct UPNPDev * minissdpd_devlist;
+ int only_rootdevice = 1;
+ minissdpd_devlist = getDevicesFromMiniSSDPD(deviceTypes[deviceIndex],
+ minissdpdsock, 0);
+ if(minissdpd_devlist) {
+#ifdef DEBUG
+ printf("returned by MiniSSDPD: %s\t%s\n",
+ minissdpd_devlist->st, minissdpd_devlist->descURL);
+#endif /* DEBUG */
+ if(!strstr(minissdpd_devlist->st, "rootdevice"))
+ only_rootdevice = 0;
+ for(tmp = minissdpd_devlist; tmp->pNext != NULL; tmp = tmp->pNext) {
+#ifdef DEBUG
+ printf("returned by MiniSSDPD: %s\t%s\n",
+ tmp->pNext->st, tmp->pNext->descURL);
+#endif /* DEBUG */
+ if(!strstr(tmp->st, "rootdevice"))
+ only_rootdevice = 0;
+ }
+ tmp->pNext = devlist;
+ devlist = minissdpd_devlist;
+ if(!searchalltypes && !only_rootdevice)
+ break;
+ }
+ }
+ }
+ for(tmp = devlist; tmp != NULL; tmp = tmp->pNext) {
+ /* We return what we have found if it was not only a rootdevice */
+ if(!strstr(tmp->st, "rootdevice")) {
+ if(error)
+ *error = UPNPDISCOVER_SUCCESS;
+ return devlist;
+ }
+ }
+#endif /* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+
+ /* direct discovery if minissdpd responses are not sufficient */
+ {
+ struct UPNPDev * discovered_devlist;
+ discovered_devlist = ssdpDiscoverDevices(deviceTypes, delay, multicastif, localport,
+ ipv6, ttl, error, searchalltypes);
+ if(devlist == NULL)
+ devlist = discovered_devlist;
+ else {
+ for(tmp = devlist; tmp->pNext != NULL; tmp = tmp->pNext);
+ tmp->pNext = discovered_devlist;
+ }
+ }
+ return devlist;
+}
+
+/* upnpDiscover() Discover IGD device */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscover(int delay, const char * multicastif,
+ const char * minissdpdsock, int localport,
+ int ipv6, unsigned char ttl,
+ int * error)
+{
+ static const char * const deviceList[] = {
+#if 0
+ "urn:schemas-upnp-org:device:InternetGatewayDevice:2",
+ "urn:schemas-upnp-org:service:WANIPConnection:2",
+#endif
+ "urn:schemas-upnp-org:device:InternetGatewayDevice:1",
+ "urn:schemas-upnp-org:service:WANIPConnection:1",
+ "urn:schemas-upnp-org:service:WANPPPConnection:1",
+ "upnp:rootdevice",
+ /*"ssdp:all",*/
+ 0
+ };
+ return upnpDiscoverDevices(deviceList,
+ delay, multicastif, minissdpdsock, localport,
+ ipv6, ttl, error, 0);
+}
+
+/* upnpDiscoverAll() Discover all UPnP devices */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverAll(int delay, const char * multicastif,
+ const char * minissdpdsock, int localport,
+ int ipv6, unsigned char ttl,
+ int * error)
+{
+ static const char * const deviceList[] = {
+ /*"upnp:rootdevice",*/
+ "ssdp:all",
+ 0
+ };
+ return upnpDiscoverDevices(deviceList,
+ delay, multicastif, minissdpdsock, localport,
+ ipv6, ttl, error, 0);
+}
+
+/* upnpDiscoverDevice() Discover a specific device */
+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)
+{
+ const char * const deviceList[] = {
+ device,
+ 0
+ };
+ return upnpDiscoverDevices(deviceList,
+ delay, multicastif, minissdpdsock, localport,
+ ipv6, ttl, error, 0);
+}
+
+static char *
+build_absolute_url(const char * baseurl, const char * descURL,
+ const char * url, unsigned int scope_id)
+{
+ int l, n;
+ char * s;
+ const char * base;
+ char * p;
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+ char ifname[IF_NAMESIZE];
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+ char scope_str[8];
+#endif /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+
+ if( (url[0] == 'h')
+ &&(url[1] == 't')
+ &&(url[2] == 't')
+ &&(url[3] == 'p')
+ &&(url[4] == ':')
+ &&(url[5] == '/')
+ &&(url[6] == '/'))
+ return strdup(url);
+ base = (baseurl[0] == '\0') ? descURL : baseurl;
+ n = strlen(base);
+ if(n > 7) {
+ p = strchr(base + 7, '/');
+ if(p)
+ n = p - base;
+ }
+ l = n + strlen(url) + 1;
+ if(url[0] != '/')
+ l++;
+ if(scope_id != 0) {
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+ if(if_indextoname(scope_id, ifname)) {
+ l += 3 + strlen(ifname); /* 3 == strlen(%25) */
+ }
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+ /* under windows, scope is numerical */
+ l += 3 + snprintf(scope_str, sizeof(scope_str), "%u", scope_id);
+#endif /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+ }
+ s = malloc(l);
+ if(s == NULL) return NULL;
+ memcpy(s, base, n);
+ if(scope_id != 0) {
+ s[n] = '\0';
+ if(0 == memcmp(s, "http://[fe80:", 13)) {
+ /* this is a linklocal IPv6 address */
+ p = strchr(s, ']');
+ if(p) {
+ /* insert %25<scope> into URL */
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+ memmove(p + 3 + strlen(ifname), p, strlen(p) + 1);
+ memcpy(p, "%25", 3);
+ memcpy(p + 3, ifname, strlen(ifname));
+ n += 3 + strlen(ifname);
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+ memmove(p + 3 + strlen(scope_str), p, strlen(p) + 1);
+ memcpy(p, "%25", 3);
+ memcpy(p + 3, scope_str, strlen(scope_str));
+ n += 3 + strlen(scope_str);
+#endif /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+ }
+ }
+ }
+ if(url[0] != '/')
+ s[n++] = '/';
+ memcpy(s + n, url, l - n);
+ return s;
+}
+
+/* Prepare the Urls for usage...
+ */
+MINIUPNP_LIBSPEC void
+GetUPNPUrls(struct UPNPUrls * urls, struct IGDdatas * data,
+ const char * descURL, unsigned int scope_id)
+{
+ /* strdup descURL */
+ urls->rootdescURL = strdup(descURL);
+
+ /* get description of WANIPConnection */
+ urls->ipcondescURL = build_absolute_url(data->urlbase, descURL,
+ data->first.scpdurl, scope_id);
+ urls->controlURL = build_absolute_url(data->urlbase, descURL,
+ data->first.controlurl, scope_id);
+ urls->controlURL_CIF = build_absolute_url(data->urlbase, descURL,
+ data->CIF.controlurl, scope_id);
+ urls->controlURL_6FC = build_absolute_url(data->urlbase, descURL,
+ data->IPv6FC.controlurl, scope_id);
+
+#ifdef DEBUG
+ printf("urls->ipcondescURL='%s'\n", urls->ipcondescURL);
+ printf("urls->controlURL='%s'\n", urls->controlURL);
+ printf("urls->controlURL_CIF='%s'\n", urls->controlURL_CIF);
+ printf("urls->controlURL_6FC='%s'\n", urls->controlURL_6FC);
+#endif
+}
+
+MINIUPNP_LIBSPEC void
+FreeUPNPUrls(struct UPNPUrls * urls)
+{
+ if(!urls)
+ return;
+ free(urls->controlURL);
+ urls->controlURL = 0;
+ free(urls->ipcondescURL);
+ urls->ipcondescURL = 0;
+ free(urls->controlURL_CIF);
+ urls->controlURL_CIF = 0;
+ free(urls->controlURL_6FC);
+ urls->controlURL_6FC = 0;
+ free(urls->rootdescURL);
+ urls->rootdescURL = 0;
+}
+
+int
+UPNPIGD_IsConnected(struct UPNPUrls * urls, struct IGDdatas * data)
+{
+ char status[64];
+ unsigned int uptime;
+ status[0] = '\0';
+ UPNP_GetStatusInfo(urls->controlURL, data->first.servicetype,
+ status, &uptime, NULL);
+ if(0 == strcmp("Connected", status))
+ return 1;
+ else if(0 == strcmp("Up", status)) /* Also accept "Up" */
+ return 1;
+ else
+ return 0;
+}
+
+
+/* UPNP_GetValidIGD() :
+ * return values :
+ * -1 = Internal error
+ * 0 = NO IGD found
+ * 1 = A valid connected IGD has been found
+ * 2 = A valid IGD has been found but it reported as
+ * not connected
+ * 3 = an UPnP device has been found but was not recognized as an IGD
+ *
+ * In any positive non zero return case, the urls and data structures
+ * passed as parameters are set. Don't forget to call FreeUPNPUrls(urls) to
+ * free allocated memory.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetValidIGD(struct UPNPDev * devlist,
+ struct UPNPUrls * urls,
+ struct IGDdatas * data,
+ char * lanaddr, int lanaddrlen)
+{
+ struct xml_desc {
+ char * xml;
+ int size;
+ int is_igd;
+ } * desc = NULL;
+ struct UPNPDev * dev;
+ int ndev = 0;
+ int i;
+ int state = -1; /* state 1 : IGD connected. State 2 : IGD. State 3 : anything */
+ int n_igd = 0;
+ char extIpAddr[16];
+ char myLanAddr[40];
+ int status_code = -1;
+
+ if(!devlist)
+ {
+#ifdef DEBUG
+ printf("Empty devlist\n");
+#endif
+ return 0;
+ }
+ /* counting total number of devices in the list */
+ for(dev = devlist; dev; dev = dev->pNext)
+ ndev++;
+ if(ndev > 0)
+ {
+ desc = calloc(ndev, sizeof(struct xml_desc));
+ if(!desc)
+ return -1; /* memory allocation error */
+ }
+ /* Step 1 : downloading descriptions and testing type */
+ for(dev = devlist, i = 0; dev; dev = dev->pNext, i++)
+ {
+ /* we should choose an internet gateway device.
+ * with st == urn:schemas-upnp-org:device:InternetGatewayDevice:1 */
+ desc[i].xml = miniwget_getaddr(dev->descURL, &(desc[i].size),
+ myLanAddr, sizeof(myLanAddr),
+ dev->scope_id, &status_code);
+#ifdef DEBUG
+ if(!desc[i].xml)
+ {
+ printf("error getting XML description %s\n", dev->descURL);
+ }
+#endif
+ if(desc[i].xml)
+ {
+ memset(data, 0, sizeof(struct IGDdatas));
+ memset(urls, 0, sizeof(struct UPNPUrls));
+ parserootdesc(desc[i].xml, desc[i].size, data);
+ if(COMPARE(data->CIF.servicetype,
+ "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:"))
+ {
+ desc[i].is_igd = 1;
+ n_igd++;
+ if(lanaddr)
+ strncpy(lanaddr, myLanAddr, lanaddrlen);
+ }
+ }
+ }
+ /* iterate the list to find a device depending on state */
+ for(state = 1; state <= 3; state++)
+ {
+ for(dev = devlist, i = 0; dev; dev = dev->pNext, i++)
+ {
+ if(desc[i].xml)
+ {
+ memset(data, 0, sizeof(struct IGDdatas));
+ memset(urls, 0, sizeof(struct UPNPUrls));
+ parserootdesc(desc[i].xml, desc[i].size, data);
+ if(desc[i].is_igd || state >= 3 )
+ {
+ int is_connected;
+
+ GetUPNPUrls(urls, data, dev->descURL, dev->scope_id);
+
+ /* in state 2 and 3 we don't test if device is connected ! */
+ if(state >= 2)
+ goto free_and_return;
+ is_connected = UPNPIGD_IsConnected(urls, data);
+#ifdef DEBUG
+ printf("UPNPIGD_IsConnected(%s) = %d\n",
+ urls->controlURL, is_connected);
+#endif
+ /* checks that status is connected AND there is a external IP address assigned */
+ if(is_connected &&
+ (UPNP_GetExternalIPAddress(urls->controlURL, data->first.servicetype, extIpAddr) == 0)) {
+ if(!is_rfc1918addr(extIpAddr) && (extIpAddr[0] != '\0')
+ && (0 != strcmp(extIpAddr, "0.0.0.0")))
+ goto free_and_return;
+ }
+ FreeUPNPUrls(urls);
+ if(data->second.servicetype[0] != '\0') {
+#ifdef DEBUG
+ printf("We tried %s, now we try %s !\n",
+ data->first.servicetype, data->second.servicetype);
+#endif
+ /* swaping WANPPPConnection and WANIPConnection ! */
+ memcpy(&data->tmp, &data->first, sizeof(struct IGDdatas_service));
+ memcpy(&data->first, &data->second, sizeof(struct IGDdatas_service));
+ memcpy(&data->second, &data->tmp, sizeof(struct IGDdatas_service));
+ GetUPNPUrls(urls, data, dev->descURL, dev->scope_id);
+ is_connected = UPNPIGD_IsConnected(urls, data);
+#ifdef DEBUG
+ printf("UPNPIGD_IsConnected(%s) = %d\n",
+ urls->controlURL, is_connected);
+#endif
+ if(is_connected &&
+ (UPNP_GetExternalIPAddress(urls->controlURL, data->first.servicetype, extIpAddr) == 0)) {
+ if(!is_rfc1918addr(extIpAddr) && (extIpAddr[0] != '\0')
+ && (0 != strcmp(extIpAddr, "0.0.0.0")))
+ goto free_and_return;
+ }
+ FreeUPNPUrls(urls);
+ }
+ }
+ memset(data, 0, sizeof(struct IGDdatas));
+ }
+ }
+ }
+ state = 0;
+free_and_return:
+ if(desc) {
+ for(i = 0; i < ndev; i++) {
+ if(desc[i].xml) {
+ free(desc[i].xml);
+ }
+ }
+ free(desc);
+ }
+ return state;
+}
+
+/* UPNP_GetIGDFromUrl()
+ * Used when skipping the discovery process.
+ * return value :
+ * 0 - Not ok
+ * 1 - OK */
+int
+UPNP_GetIGDFromUrl(const char * rootdescurl,
+ struct UPNPUrls * urls,
+ struct IGDdatas * data,
+ char * lanaddr, int lanaddrlen)
+{
+ char * descXML;
+ int descXMLsize = 0;
+
+ descXML = miniwget_getaddr(rootdescurl, &descXMLsize,
+ lanaddr, lanaddrlen, 0, NULL);
+ if(descXML) {
+ memset(data, 0, sizeof(struct IGDdatas));
+ memset(urls, 0, sizeof(struct UPNPUrls));
+ parserootdesc(descXML, descXMLsize, data);
+ free(descXML);
+ descXML = NULL;
+ GetUPNPUrls(urls, data, rootdescurl, 0);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 00:37:20 +0000