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Member "minidlna-1.3.0/upnpreplyparse.c" (24 Nov 2020, 4254 Bytes) of package /linux/privat/minidlna-1.3.0.tar.gz:


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    1 /* MiniUPnP project
    2  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
    3  *
    4  * Copyright (c) 2006, Thomas Bernard
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions are met:
    9  *     * Redistributions of source code must retain the above copyright
   10  *       notice, this list of conditions and the following disclaimer.
   11  *     * Redistributions in binary form must reproduce the above copyright
   12  *       notice, this list of conditions and the following disclaimer in the
   13  *       documentation and/or other materials provided with the distribution.
   14  *     * The name of the author may not be used to endorse or promote products
   15  *       derived from this software without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  * POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 #include <stdlib.h>
   30 #include <string.h>
   31 #include <stdio.h>
   32 
   33 #include "upnpreplyparse.h"
   34 #include "minixml.h"
   35 
   36 static void
   37 NameValueParserStartElt(void * d, const char * name, int l)
   38 {
   39     struct NameValueParserData * data = (struct NameValueParserData *)d;
   40     if(l>63)
   41         l = 63;
   42     memcpy(data->curelt, name, l);
   43     data->curelt[l] = '\0';
   44 
   45     /* store root element */
   46     if(!data->head.lh_first)
   47     {
   48         struct NameValue * nv;
   49         nv = malloc(sizeof(struct NameValue)+l+1);
   50         strcpy(nv->name, "rootElement");
   51         memcpy(nv->value, name, l);
   52         nv->value[l] = '\0';
   53         LIST_INSERT_HEAD(&(data->head), nv, entries);
   54     }
   55 }
   56 
   57 static void
   58 NameValueParserGetData(void * d, const char * datas, int l)
   59 {
   60     struct NameValueParserData * data = (struct NameValueParserData *)d;
   61     struct NameValue * nv;
   62     if(l>1975)
   63         l = 1975;
   64     nv = malloc(sizeof(struct NameValue)+l+1);
   65     strncpy(nv->name, data->curelt, 64);
   66     nv->name[63] = '\0';
   67     memcpy(nv->value, datas, l);
   68     nv->value[l] = '\0';
   69     LIST_INSERT_HEAD(&(data->head), nv, entries);
   70 }
   71 
   72 void
   73 ParseNameValue(const char * buffer, int bufsize,
   74                     struct NameValueParserData * data, uint32_t flags)
   75 {
   76     struct xmlparser parser;
   77     LIST_INIT(&(data->head));
   78     /* init xmlparser object */
   79     parser.xmlstart = buffer;
   80     parser.xmlsize = bufsize;
   81     parser.data = data;
   82     parser.starteltfunc = NameValueParserStartElt;
   83     parser.endeltfunc = 0;
   84     parser.datafunc = NameValueParserGetData;
   85     parser.attfunc = 0;
   86     parser.flags = flags;
   87     parsexml(&parser);
   88 }
   89 
   90 void
   91 ClearNameValueList(struct NameValueParserData * pdata)
   92 {
   93     struct NameValue * nv;
   94     while((nv = pdata->head.lh_first) != NULL)
   95     {
   96         LIST_REMOVE(nv, entries);
   97         free(nv);
   98     }
   99 }
  100 
  101 char * 
  102 GetValueFromNameValueList(struct NameValueParserData * pdata,
  103                           const char * Name)
  104 {
  105     struct NameValue * nv;
  106     char * p = NULL;
  107     for(nv = pdata->head.lh_first;
  108         (nv != NULL) && (p == NULL);
  109         nv = nv->entries.le_next)
  110     {
  111         if(strcmp(nv->name, Name) == 0)
  112             p = nv->value;
  113     }
  114     return p;
  115 }
  116 
  117 /* debug all-in-one function 
  118  * do parsing then display to stdout */
  119 #ifdef DEBUG
  120 void
  121 DisplayNameValueList(char * buffer, int bufsize)
  122 {
  123     struct NameValueParserData pdata;
  124     struct NameValue * nv;
  125     ParseNameValue(buffer, bufsize, &pdata, XML_STORE_EMPTY_FL);
  126     for(nv = pdata.head.lh_first;
  127         nv != NULL;
  128         nv = nv->entries.le_next)
  129     {
  130         printf("%s = %s\n", nv->name, nv->value);
  131     }
  132     ClearNameValueList(&pdata);
  133 }
  134 #endif
  135