160 lines
3.5 KiB
C
Executable file
160 lines
3.5 KiB
C
Executable file
/* $Id: portlistingparse.c,v 1.6 2012/05/29 10:26:51 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;
|
|
(void)name;
|
|
(void)l;
|
|
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);
|
|
}
|
|
}
|
|
|