diff options
Diffstat (limited to 'external/miniupnpc/portlistingparse.c')
-rwxr-xr-x | external/miniupnpc/portlistingparse.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/external/miniupnpc/portlistingparse.c b/external/miniupnpc/portlistingparse.c new file mode 100755 index 000000000..19e3054eb --- /dev/null +++ b/external/miniupnpc/portlistingparse.c @@ -0,0 +1,159 @@ +/* $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); + } +} + |