diff options
Diffstat (limited to 'thirdparty/miniupnpc/src/upnpreplyparse.c')
| -rw-r--r-- | thirdparty/miniupnpc/src/upnpreplyparse.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/thirdparty/miniupnpc/src/upnpreplyparse.c b/thirdparty/miniupnpc/src/upnpreplyparse.c new file mode 100644 index 0000000000..4d06f0585d --- /dev/null +++ b/thirdparty/miniupnpc/src/upnpreplyparse.c @@ -0,0 +1,197 @@ +/* $Id: upnpreplyparse.c,v 1.20 2017/12/12 11:26:25 nanard Exp $ */ +/* vim: tabstop=4 shiftwidth=4 noexpandtab + * MiniUPnP project + * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/ + * (c) 2006-2019 Thomas Bernard + * This software is subject to the conditions detailed + * in the LICENCE file provided within the distribution */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +#include "upnpreplyparse.h" +#include "minixml.h" + +static void +NameValueParserStartElt(void * d, const char * name, int l) +{ + struct NameValueParserData * data = (struct NameValueParserData *)d; + data->topelt = 1; + if(l>63) + l = 63; + memcpy(data->curelt, name, l); + data->curelt[l] = '\0'; + data->cdata = NULL; + data->cdatalen = 0; +} + +static void +NameValueParserEndElt(void * d, const char * name, int namelen) +{ + struct NameValueParserData * data = (struct NameValueParserData *)d; + struct NameValue * nv; + (void)name; + (void)namelen; + if(!data->topelt) + return; + if(strcmp(data->curelt, "NewPortListing") != 0) + { + int l; + /* standard case. Limited to n chars strings */ + l = data->cdatalen; + nv = malloc(sizeof(struct NameValue)); + if(nv == NULL) + { + /* malloc error */ +#ifdef DEBUG + fprintf(stderr, "%s: error allocating memory", + "NameValueParserEndElt"); +#endif /* DEBUG */ + return; + } + if(l>=(int)sizeof(nv->value)) + l = sizeof(nv->value) - 1; + strncpy(nv->name, data->curelt, 64); + nv->name[63] = '\0'; + if(data->cdata != NULL) + { + memcpy(nv->value, data->cdata, l); + nv->value[l] = '\0'; + } + else + { + nv->value[0] = '\0'; + } + nv->l_next = data->l_head; /* insert in list */ + data->l_head = nv; + } + data->cdata = NULL; + data->cdatalen = 0; + data->topelt = 0; +} + +static void +NameValueParserGetData(void * d, const char * datas, int l) +{ + struct NameValueParserData * data = (struct NameValueParserData *)d; + if(strcmp(data->curelt, "NewPortListing") == 0) + { + /* specific case for NewPortListing which is a XML Document */ + free(data->portListing); + data->portListing = malloc(l + 1); + if(!data->portListing) + { + /* malloc error */ +#ifdef DEBUG + fprintf(stderr, "%s: error allocating memory", + "NameValueParserGetData"); +#endif /* DEBUG */ + return; + } + memcpy(data->portListing, datas, l); + data->portListing[l] = '\0'; + data->portListingLength = l; + } + else + { + /* standard case. */ + data->cdata = datas; + data->cdatalen = l; + } +} + +void +ParseNameValue(const char * buffer, int bufsize, + struct NameValueParserData * data) +{ + struct xmlparser parser; + memset(data, 0, sizeof(struct NameValueParserData)); + /* init xmlparser object */ + parser.xmlstart = buffer; + parser.xmlsize = bufsize; + parser.data = data; + parser.starteltfunc = NameValueParserStartElt; + parser.endeltfunc = NameValueParserEndElt; + parser.datafunc = NameValueParserGetData; + parser.attfunc = 0; + parsexml(&parser); +} + +void +ClearNameValueList(struct NameValueParserData * pdata) +{ + struct NameValue * nv; + if(pdata->portListing) + { + free(pdata->portListing); + pdata->portListing = NULL; + pdata->portListingLength = 0; + } + while((nv = pdata->l_head) != NULL) + { + pdata->l_head = nv->l_next; + free(nv); + } +} + +char * +GetValueFromNameValueList(struct NameValueParserData * pdata, + const char * Name) +{ + struct NameValue * nv; + char * p = NULL; + for(nv = pdata->l_head; + (nv != NULL) && (p == NULL); + nv = nv->l_next) + { + if(strcmp(nv->name, Name) == 0) + p = nv->value; + } + return p; +} + +#if 0 +/* useless now that minixml ignores namespaces by itself */ +char * +GetValueFromNameValueListIgnoreNS(struct NameValueParserData * pdata, + const char * Name) +{ + struct NameValue * nv; + char * p = NULL; + char * pname; + for(nv = pdata->head.lh_first; + (nv != NULL) && (p == NULL); + nv = nv->entries.le_next) + { + pname = strrchr(nv->name, ':'); + if(pname) + pname++; + else + pname = nv->name; + if(strcmp(pname, Name)==0) + p = nv->value; + } + return p; +} +#endif + +/* debug all-in-one function + * do parsing then display to stdout */ +#ifdef DEBUG +void +DisplayNameValueList(char * buffer, int bufsize) +{ + struct NameValueParserData pdata; + struct NameValue * nv; + ParseNameValue(buffer, bufsize, &pdata); + for(nv = pdata.l_head; + nv != NULL; + nv = nv->l_next) + { + printf("%s = %s\n", nv->name, nv->value); + } + ClearNameValueList(&pdata); +} +#endif /* DEBUG */ + |