summaryrefslogtreecommitdiffstats
blob: 482030b35804b6859e5b40753566c85221cf0c8c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/* $Id: upnpreplyparse.c,v 1.11 2011/02/07 16:17:06 nanard Exp $ */
/* MiniUPnP project
 * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
 * (c) 2006-2011 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;
    if(l>63)
        l = 63;
    memcpy(data->curelt, name, l);
    data->curelt[l] = '\0';
}

static void
NameValueParserGetData(void * d, const char * datas, int l)
{
    struct NameValueParserData * data = (struct NameValueParserData *)d;
    struct NameValue * nv;
	if(strcmp(data->curelt, "NewPortListing") == 0)
	{
		/* specific case for NewPortListing which is a XML Document */
		data->portListing = malloc(l + 1);
		if(!data->portListing)
		{
			/* malloc error */
			return;
		}
		memcpy(data->portListing, datas, l);
		data->portListing[l] = '\0';
		data->portListingLength = l;
	}
	else
	{
		/* standard case. Limited to 63 chars strings */
	    nv = malloc(sizeof(struct NameValue));
	    if(l>63)
	        l = 63;
	    strncpy(nv->name, data->curelt, 64);
		nv->name[63] = '\0';
	    memcpy(nv->value, datas, l);
	    nv->value[l] = '\0';
	    LIST_INSERT_HEAD( &(data->head), nv, entries);
	}
}

void
ParseNameValue(const char * buffer, int bufsize,
               struct NameValueParserData * data)
{
    struct xmlparser parser;
    LIST_INIT(&(data->head));
	data->portListing = NULL;
	data->portListingLength = 0;
    /* init xmlparser object */
    parser.xmlstart = buffer;
    parser.xmlsize = bufsize;
    parser.data = data;
    parser.starteltfunc = NameValueParserStartElt;
    parser.endeltfunc = 0;
    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->head.lh_first) != NULL)
    {
        LIST_REMOVE(nv, entries);
        free(nv);
    }
}

char * 
GetValueFromNameValueList(struct NameValueParserData * pdata,
                          const char * Name)
{
    struct NameValue * nv;
    char * p = NULL;
    for(nv = pdata->head.lh_first;
        (nv != NULL) && (p == NULL);
        nv = nv->entries.le_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.head.lh_first;
        nv != NULL;
        nv = nv->entries.le_next)
    {
        printf("%s = %s\n", nv->name, nv->value);
    }
    ClearNameValueList(&pdata);
}
#endif