summaryrefslogtreecommitdiffstats
path: root/src/upnp/portlistingparse.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/upnp/portlistingparse.c')
-rw-r--r--src/upnp/portlistingparse.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/upnp/portlistingparse.c b/src/upnp/portlistingparse.c
new file mode 100644
index 0000000..e09e80f
--- /dev/null
+++ b/src/upnp/portlistingparse.c
@@ -0,0 +1,157 @@
+/* $Id: portlistingparse.c,v 1.4 2011/03/18 11:02:17 nanard Exp $ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2011 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+#include <string.h>
+#include <stdlib.h>
+#include "portlistingparse.h"
+#include "minixml.h"
+
+/* list of the elements */
+static const struct {
+ const portMappingElt code;
+ const char * const str;
+} elements[] = {
+ { PortMappingEntry, "PortMappingEntry"},
+ { NewRemoteHost, "NewRemoteHost"},
+ { NewExternalPort, "NewExternalPort"},
+ { NewProtocol, "NewProtocol"},
+ { NewInternalPort, "NewInternalPort"},
+ { NewInternalClient, "NewInternalClient"},
+ { NewEnabled, "NewEnabled"},
+ { NewDescription, "NewDescription"},
+ { NewLeaseTime, "NewLeaseTime"},
+ { PortMappingEltNone, NULL}
+};
+
+/* Helper function */
+static UNSIGNED_INTEGER
+atoui(const char * p, int l)
+{
+ UNSIGNED_INTEGER r = 0;
+ while(l > 0 && *p)
+ {
+ if(*p >= '0' && *p <= '9')
+ r = r*10 + (*p - '0');
+ else
+ break;
+ p++;
+ l--;
+ }
+ return r;
+}
+
+/* Start element handler */
+static void
+startelt(void * d, const char * name, int l)
+{
+ int i;
+ struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+ pdata->curelt = PortMappingEltNone;
+ for(i = 0; elements[i].str; i++)
+ {
+ if(memcmp(name, elements[i].str, l) == 0)
+ {
+ pdata->curelt = elements[i].code;
+ break;
+ }
+ }
+ if(pdata->curelt == PortMappingEntry)
+ {
+ struct PortMapping * pm;
+ pm = calloc(1, sizeof(struct PortMapping));
+ LIST_INSERT_HEAD( &(pdata->head), pm, entries);
+ }
+}
+
+/* End element handler */
+static void
+endelt(void * d, const char * name, int l)
+{
+ struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+ pdata->curelt = PortMappingEltNone;
+}
+
+/* Data handler */
+static void
+data(void * d, const char * data, int l)
+{
+ struct PortMapping * pm;
+ struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+ pm = pdata->head.lh_first;
+ if(!pm)
+ return;
+ if(l > 63)
+ l = 63;
+ switch(pdata->curelt)
+ {
+ case NewRemoteHost:
+ memcpy(pm->remoteHost, data, l);
+ pm->remoteHost[l] = '\0';
+ break;
+ case NewExternalPort:
+ pm->externalPort = (unsigned short)atoui(data, l);
+ break;
+ case NewProtocol:
+ if(l > 3)
+ l = 3;
+ memcpy(pm->protocol, data, l);
+ pm->protocol[l] = '\0';
+ break;
+ case NewInternalPort:
+ pm->internalPort = (unsigned short)atoui(data, l);
+ break;
+ case NewInternalClient:
+ memcpy(pm->internalClient, data, l);
+ pm->internalClient[l] = '\0';
+ break;
+ case NewEnabled:
+ pm->enabled = (unsigned char)atoui(data, l);
+ break;
+ case NewDescription:
+ memcpy(pm->description, data, l);
+ pm->description[l] = '\0';
+ break;
+ case NewLeaseTime:
+ pm->leaseTime = atoui(data, l);
+ break;
+ default:
+ break;
+ }
+}
+
+
+/* Parse the PortMappingList XML document for IGD version 2
+ */
+void
+ParsePortListing(const char * buffer, int bufsize,
+ struct PortMappingParserData * pdata)
+{
+ struct xmlparser parser;
+
+ memset(pdata, 0, sizeof(struct PortMappingParserData));
+ LIST_INIT(&(pdata->head));
+ /* init xmlparser */
+ parser.xmlstart = buffer;
+ parser.xmlsize = bufsize;
+ parser.data = pdata;
+ parser.starteltfunc = startelt;
+ parser.endeltfunc = endelt;
+ parser.datafunc = data;
+ parser.attfunc = 0;
+ parsexml(&parser);
+}
+
+void
+FreePortListing(struct PortMappingParserData * pdata)
+{
+ struct PortMapping * pm;
+ while((pm = pdata->head.lh_first) != NULL)
+ {
+ LIST_REMOVE(pm, entries);
+ free(pm);
+ }
+}
+